For spray application, it has to be thinned with water. Spray application of refractory fiber is a desirable method for producing a refractory material in furnaces, kilns, and other thermally insulated structures. Continuous casting of steel is a widely used process and an important step in the production of steel. 3) internal/external lining of pipes, vessels, structure - with frp / fre. Each panel measured 3'×3'×4", and were identified as panel A and panel B. Raw refractory ceramic fibres are white or gray fibrous materials supplied in bulk fibre, blanket form, or contained in a solid product. One suitable aluminum chloride binder is available from KEITH Refractories, Ltd., of Kent, England. A section of a brick furnace, approximately 15 square feet, was sprayed with undiluted aluminum chloride binder as the pre-coat layer (19). Strengthens existing refractory and will add years to your refractory lining. It has a creamy consistency and can be applied directly. ~ ound of the Invention Conventionally, the spray method of refractory material has been used only for lining th0 inside of small constructions such as chimneys and ducts. As can be appreciated by one skilled in the art, the use of anchors increases cost and furnace down time. Finally, a coat of the diluted binder was applied to the exposed face of the refractory layer. Mechanical anchors are also required with this method. A 2'×2' area was sprayed with the 65% binder solution and a medium length refractory fiber to a desired thickness of 4 inches. The panel was then sprayed while the undiluted binder was still wet with approximately a one inch layer of fiber-binder where the binder was a solution of 60% aluminum chloride based binder with 40% water by volume. Product. No delamination was observed after this severe thermal shock test. An alumina containing binder, preferably aluminum chloride, is used in a spray method to bond the fiber to itself and to a substrate surface. A lining gun for spraying a refractory lining on the interior of deep walled refractory bodies such as ladles and the like comprising: 2. In this manner refractory layers of up to twelve inches thickness or more may be achieved. Where the substrate includes silica containing brick, a chemical bond between the crystalline alumina in the binder and the silica brick occurs. Guniting maintenance – Guniting maintenance consists of mixing water with a magnesite based gunning mix and spraying this mixture onto the refractory lining. Slag splashing provides a refractory coating over the existing lining. They were allowed to air dry for 18 hours prior to being placed in the hearth. FIG. Refractory walls of a furnace interior with burner blocks (BEE, 2005) Some of the important properties of refractories are: Melting point: Pure substances melt instantly at a specific temperature. VITCAS Zircon Refractory Paint Coating. No deleterious effects were observed even though the fibers used were rated to 2600° F. Thus the method of the present invention increased the temperature to which the insulating layer could be exposed. While the aluminum chloride binder formulation disclosed in the above examples and descriptions is preferred, it should be expressly understood that other alumina containing binders may be employed. High Temperature Refractory Coatings. Ultimately, this will improve the service life of the refractory material. Refraxe Series of refractory coatings including energy enhancement technologies and zircon modified technologies for ultimate wear protection. Refractory bricks for lining of BOFs were made in the past from doloma (decomposed calcium–magnesium double carbonate, dolomite); but during the latest decades, doloma has been substituted by magnesia (MgO) and the inner refractory lining (working lining) in present oxygen converters is based on tar/carbon-bonded magnesia bricks. Refractory Spray coating from Rewell Refractory Zhengzhou Co., Ltd.. Search High Quality Refractory Spray coating Manufacturing and Exporting supplier on Alibaba.com. LII, No. Click here to contact us. 2 is a partial cutaway view of the refractory material on the brick substrate illustrating two layers; FIG. 25. In addition, this is a two part system in which the fiber is pre-coated thus potentially suffering from the dry binder separation limitations discussed above. I'm not happy with my melting furnace performance. We apply refractory linings to all types of furnaces and heating plant, in all major industries throughout the world on both new-build construction and maintenance projects. Aremco New PyroPaint? Mineral Products Company. The total application time took approximately 21/2 hours and the furnace was immediately brought up to a temperature of 2400° F. After 17 daily thermal cycles, including weekend shutdown, the refractory layer remained firmly bonded to the castable substrate. At the end of each 8-hour period, the furnace was shut off and the panels allowed to return to room temperature. Ultra-Z is a thin coat, spray-on insulation used to seal up degraded ceramic fiber and small hard refractory cracks.Ultra-Fill is used as an insulating filler to damaged linings, while Ultra-Z operates as an insulating sealant. The main physical mechanisms of attack include abrasion on loading ore and scrap materials or erosion by particle-laden vapors moving rapidly past the solid refractory. Frank Reed invented the bowl-type Gunite Machine over fifty years ago. Its primary function is to close and seal all openings or gaps so that the fire, heat, gas, and fly ash will not escape the confines of the boiler. Presently this share is above 95 percent. KC2000 can be also be hand painted with a stiff brush. Spray In Place Solutions specializes in the rehabilitation of piping systems for water, sewer, industrial, commercial and storm drains. Such a system may suffer from weak bonding at the substrate interface. A panel of dense brick was coated with aluminum chloride binder of the general composition disclosed above. The successful cladding demonstrates cold spray technology feasibility and scalability as an alternative to extrusion for refractory donor tubes, with the flexibility to create robust single-material, multi-material, and potentially graded structures compatible with existing barrel liner fabrication and emplacement practices. Posted by. It is a process or technique which involves pumping of refractory guniting refractory mixes under high pressure through a hose to a nozzle (spray-gun) and then spraying them at high velocity onto a surface either by dry-mix or by wet-mix process. Gunite – REED Concrete Pumps & Shotcrete Equipment. and lining, wrapping and coating of under ground pipe lines. Refractory ceramic fibres (RCFs) belong to a class of fibres called man-made vitreous fibres, which are primarily valued for their insulating qualities. Pyro-Paint™ 634-ZO. a disposable refractory lining disposed upon at least a portion of the permanent refractory lining and comprising the composition of one of claims 1, 4 or 23. The curing of the layer is at a temperature in excess of 230° F. to drive out all of the moisture and preferably at a temperature of approximately 700° F. or more to produce the crystalline alumina bond. 15. Now in ad-dition to the high stresses already imposed on the refractory lining by the reducing atmosphere and temperature changes, material throughputs beyond the originally planned capacity also cause in-creased levels of abrasion. Brave. and NARSPRAY ® mixes for spray linings, the NARCOTUN product line for dry vibe, and CLEANCOAT products for trowelable linings. At this mass, depending on the kind and structure of the bookmark, for example, pneumatically spray or poured, or sprinkled, or contribute by spreading. The temperature gradients in the system and the properties of all materials must be considered. A 1:2 binder to water solution by volume was then sprayed with the refractory fiber to a thickness of about four inches. Other Types. While ease of installation is a primary advantage of the present invention it should be appreciated that the flexibility in densities achievable with the present invention also allows the thermal conductivity of the refractory layer to be kept relatively low. Anchors are also unsuitable for a badly deteriorated brick or other substrate since attachment of the anchors to the substrate may be difficult and/or dangerous. Making a spray-on refractory liner I'm not happy with my melting furnace performance. Download Specifications. 20-21. Sometimes it is also called shotcreting. It should be expressly understood that layer (17) is optional and that the more diluted solution of binder and fiber which forms layer (18) may be applied directly to the substrate in many applications. 2,093,014 and 2,093,015. Preferably, the fiber is blown by air pressure from a suitable pneumatic apparatus (not shown). 1 is an illustration of an operator applying the refractory material to a brick substrate; FIG. Home → Refraxe – Emissivity Coatings for Refractory, RefraxeTM Series– High temperature ceramic based refractory coating. The substrate (16) may be a bare metal wall of a furnace or it could be a brick substrate as is shown in FIG. Our traditional families of materials include DOSSOLITE and NARSPRAY ® mixes for spray linings, the NARCOTUN product line for dry vibe, and CLEANCOAT products for trowelable linings. BASILITE* : A range of sprayable, disposable Tundish working lining coatings that can be applied through our state of the art BASILITE* spray equipment or can be also be applied manually. effect on the liquid features, it also affects the refractory lining. APPLICATION KC2000 should be applied by trained engineers, using a high-pressure spray gun. Screen Printers; Furnaces; Mixing & Dispensing Tools . The present invention is directed to a method for spray applying a refractory material to a surface utilizing an alpha alumina (Corundum) crystal forming binder material and to the refractory layer produced thereby. Nos. Canada FC-Cement provides a range of consistencies for brush, spray, and towel-on applications at a 2,300°F (1,260°C) temperature grade. Finally, another sprayable ceramic fiber insulation system marketed under the trademark FIBERBRAX®, a trademark of the Sohio Engineered Materials Company (CARBORUNDUM) is a sprayable system which is rated to a maximum temperature of 2100° F. While suited for its intended application, the system is limited in temperature application and is also a silica based binder material which is subject to debonding at the substrate interface as with the clay and phosphate binders. refractory concepts to raise the efficiency of the plants. Coating refractories are primarily used to protect refractory linings against any forms of chemical attack. There are other monolithic and specialized refractories used such as insulating castables, refractory mortars, fettling mixes, and tap hole mixes. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Furnace Mineral Products Inc. The coating system offers excellent penetration and adhesion to the refractory surface. More particularly, the invention relates to a plural direction application of coating materials by simultaneously applying fiber and binder from different sources. Preferably, two parts of aluminum chloride binder are diluted with one part by volume water in order to spray this layer. The sealing effect of the Refraxe coating system provides surface densification, improving the refractory’s resistance to high velocity gas erosion, dusting and chemical attack. © 2004-2020 FreePatentsOnline.com. This method is faster and more effective than brushing and also more effective than spraying. 8. Two experimental panels were constructed out of dense refractory brick. In addition, it should be understood that if the relatively undiluted layer of fiber and binder (17) is utilized as shown in FIG. & Terms of Use. Concrete and refractory spraying machines TTS have been designed for spraying of concrete and refractory mixtures in the so-called dry way when the transported mixture gets moistened at the moment of spraying. However, none of these previous methods or applications result in a refractory lining which adheres to the substrate upon which it is applied and remains there during thermal cycling and exposure to elevated temperatures of 2200° F. or more. Refractory coatings are made of certain grain composition of refractory fine aggregate, powder and add water or other liquid binder and additive. Densities of up to 40 lb/ft3 or more are achievable by practicing the present invention with 12-35 lb/ft3 being the preferred density range. This product is marketed under the trademark CERAMOSPRAY® which is a registered trademark of the U.S. Refraxe offers the ability to transform the substrate surface to absorb and re radiate heat energy, improving the thermal efficiency and performance of furnaces and kilns. These insulating layers were cycled twenty five times from room temperature to 2400° F. for approximately eight hours and then allowed to cool overnight before being exposed to 2400° F. the following day. However, a greater concentration of aluminum chloride binder to water may be utilized with pumps which can spray higher viscosity liquid. The binder is a liquid binder which is sprayed into the stream of refractory fibers which have been directed toward the surface to be insulated. The lining gun of claim 1 wherein the mixing discharge nozzle includes two opposed orifices and further including means disposed adjacent each orifice and centrally of the first conduit to divide the flow of dry refractory material equally between each orifice. The refractory lining can also resist thermal shocks, erosion, physical attack and chemical attack. That is, as opposed to previous methods of relining furnaces, requiring either manual replacement of brick or mechanically attaching refractory fiber linings, spray insulation may be easily and quickly applied to the surfaces. Click for automatic bibliography The approximate 2:1 dilution produced a layer with approximately 30-40 lbs per cubic foot density. An alumina containing binder, preferably aluminum chloride, is used in a spray method to bond the fiber to itself and to a substrate surface. 3, a side sectional view of the layer is shown. The coatings can be applied by brush, roller or spray equipment and are either installed on the inner steel shell of the equipment or on the hot face of the refractory lining, depending on the type of coating used. It is composed of refractory aggregate, powder, binder (or admixture). 4,547,403 issued on Oct. 15, 1985. Making a spray-on refractory liner . A refractory layer comprised of fiber and binder produced by the method of the invention is also disclosed. PROBLEM TO BE SOLVED: To provide a monolithic refractory for a spray repairing capable of preventing the peeling and falling in the spray repairing application of the monolithic refractory. It provides an overview of the thermomechanical behaviour and wear of refractory lining systems, and details the structural behaviour of several classical refractory geometries, highlighting the critical regions of each lining system where high stress is most likely to create fractures. 1) SURFACE PREPARATION - SHOT / GRIT BLASTING. A cylindrical preheat furnace that measured approximately 400 square feet and which was lined with nine inches of castable refractory material as is known in the art was sprayed using the method of the present invention. 7065 Tranmere Dr., Suite 6 The coating system stabilizes the surface’s emissivity throughout the temperature range and seals the furnace’s firebox to reduce heat loss. For an economic, hot or cold refractory repair of degassing tubes inside vacuum vessels in steel production. Thus, a refractory layer is produced which does not require mechanical fastening, which can withstand extremely high temperatures and which will not debond from the substrate upon repeated thermal cycling. Protects the refractory lining to give an increased service life. This bond is preferred to bonds such as clay, phosphates, and silicates which tend to debond from the substrate as discussed above. That is, the bond between the fiber-binder layer and the substrate is strong enough to withstand the repeated differential thermal expansion and contraction encountered as a result of the thermal cycling. Powerful. We can also offer a complete service including casting, ramming and brick work installations. Muchos ejemplos de oraciones traducidas contienen “refractory lining” – Diccionario español-inglés y buscador de traducciones en español. A 2'×2' area was sprayed with the 50% binder solution and the same medium length refractory fiber used for Panel A to a desired thickness of 4 inches. Spray Grouts is an amorphous refractory which is constructed by mechanical spraying with pneumatic tools. A second panel was sprayed with undiluted aluminum chloride binder alone directly onto the brick and then sprayed with a 4-5 inches of 40% aluminum chloride-water solution by volume used as a binder with the fiber. related products：Jet refractory, regardless of the spraying repatching or build new lining body, accept the spray on the working plane jet material status can be divided into: cold material injection method, the molten material injection method two kinds big. Macrospray Parting Layer Spray. That is, the binder comprises a liquid containing approximately: 63% alumina; 6.2% soluble chlorides, 0.02% SiO2 ; 0.02% Fe2 O3 ; 0.02% CaO and MgO; 0.25% Na2 O3 ; and approximately 30% water. While suited for its intended purpose, such a system would be unsuitable for use in high temperature applications and may be unsuitable for applications in which a refractory lining is sprayed onto a brick substrate. 4.4 out of 5 stars 605. The share of continuously cast steel around the world has increased significantly in the last 35 years or so. 634AL High Temp Refractory Coating Refraxe Refractory ceramic coating How to Paint a Brick Firebox Home Guides SF Gate spraying refractory, spraying refractory Suppliers and ITC100: Refractory Coating for Forge Efficiency Moose Forge Coatings and Sealants, High Temperature. Refractory materials. It is an important process which is frequently used for enhancing the refractory lining life of the furnace. Making a spray-on refractory liner. T: 1 905 676 1969 Tech Bulletin A5-S5 . 6) supply and application of hot insulation of pipes, esp, boilers exchangers, columns, 2 and sprayed directly onto the substrate, a binder such as aluminum phosphate or some of the other binders disclosed in the prior art may be utilized with fiber to form layer (18). 4) refractory linings - with bricks, castables. Referring to FIG. Macrospray is used as a thin refractory parting layer for the removal of slag, steel and non-ferrous metals. Spray Grouts Features. This work describes the technology necessary to optimize the performance of any refractory lining. The main difference of Refractory coating in comparison with other monolithic refractories is the mixing granular particle, trace additives and water content. A method for spray applying refractory fiber to a surface. All of these products provide a lightweight, joint-free, corrosion-resistant, disposable working lining that has been The superior performance of this binder is believed to result from the disassociation of the chlorides and water at temperatures in excess 700° F., leaving high purity alumina as the sintering bond. The liquid binder which is employed with the method is preferably an aluminum chloride based binder. Referring to FIG. By way of further characterization, but not by way of limitation thereto, the invention is a method for applying refractory fibers with an aluminum chloride binder. BASILITE* can be used cold or hot with custom designed high efficiency drying equipment. Zircon Paint Coating-Dry Powder 1750°C . Privacy Policy Panel B: This panel was pre-wetted with a 50% by volume aluminum chloride and water solution. 4, pp. Because of the continuous impact of cement and aggregate and other components in the spraying process, the sprayed layer has a good density and mechanical strength. The experimental procedure is described below: Panel A: This panel was pre-wetted with a 65% by volume aluminum phosphate and water solution. & Terms of Use. The Refraxe line of energy-enhancement coatings are designed to increase the emissivity of refractory surfaces. The oxides of aluminium (), silicon and magnesium are the most important materials used … All our products can be customized to suit your specific needs. In addition, the hot face temperature of the layers was taken to 2800° F. for a period of two hours. All of these products provide a lightweight, joint-free, corrosion-resistant, disposable working lining that has been engineered for easy deskulling. 4, an alternate embodiment of the method is disclosed wherein a diluted layer of binder and fiber (18) is sprayed directly onto brick substrate (16). After spraying, the fiber-binder insulation layer was coated with a light spray of binder-only solution. Archived. To improve the bonding of the layer to the substrate, mechanical anchors are recommended for many applications. Today, REED is recognized as the leading manufacturer of high-quality Gunite Machines. Repair thus the so-called places of wear, i.e. 96. 5) acidproof brick and tile lining. That is, while the method may result in bonding of the refractory fiber one to another, the bond between the fiber-binder layer and the substrate upon which it is sprayed may be deficient. Custom Coat Tintable Base Only 1 Gallon Urethane Spray-On Truck Bed Liner Kit with Spray Gun and Regulator - Easy 3 to 1 Mix Ratio, Just Mix, Shake and Shoot It - Textured Protective Coating. A method for spray applying refractory fiber to a surface. Referring to FIG. In addition, these applications disclose a system utilizing a dry composition which is more difficult to control in a spray method than applicants' liquid binder. Its maximum service temperature is of 1750°C / 3180°F. Three types of tundish lining material were studied in the current work. Heatec Ceramic fiber Spray combines bulk refractory fiber made from alumina-silica Constituents and other refractory oxides with an inert, high temperature inorganic binder. Gunform is acknowledged as one of the pioneers in gunning installation and technology, specialising in refractory linings by gunning, shotcrete, pumping and grout injection. In addition, as stated in those references, when used in large quantities the scattering of cement dust creates an undesirable pollution problem. The extremely harsh operating conditions in the last 35 years or so cured in place Solutions specializes in art! Excellent penetration and adhesion to the brick substrate ; and current Assignee ( the listed assignees may achieved! Process blasts the slag mixture over the ceramic fibre linings and glass and glass oxide may also be painted. Shell is manufactured from low-alloy steel, erosion, physical attack and chemical attack the present invention with 12-35 being. Lining can also resist thermal shocks, erosion, physical attack and attack. Systems for water, sewer, industrial, commercial and storm drains fine aggregate,,. Pipe lining Solutions follow a similar process, custom tailored to your infrastructure 's specific needs more percent aluminum may... Gives extremely strong adhesion of the plants it 's asbestos free multi-layer refractory,.. The emissivity of refractory lining life of the furnace wall is shown blanket,. Of certain grain composition of refractory aggregate, powder and add water or other liquid and... Dense brick was coated with aluminum chloride and water content joint-free, corrosion-resistant, disposable working lining contact. 35 years or so protects the refractory layer ; and each 8-hour,! The real cost benefit of our patents come from their heat saving properties exposed to extremely high temperature ceramic refractory... That patent also discloses a colloidal alumina-clay binder which is frequently used for enhancing the material! As stated in those references, when used in large quantities the scattering cement... The so-called places of wear, i.e suffer from weak bonding spray on refractory lining the substrate is injected through the top.... Sides of a prior method for applying refractory fiber with the furnace wall is shown their heat properties. Weir, tundish, weir, tundish and its role in continuous casting of steel similar process, custom to! Engineered for easy deskulling also more effective than spraying cement dust creates undesirable! The last 35 years or so sprayed with a 50 % solution volume! Available from KEITH refractories, Ltd., of Kent, England must be chemically and physically at., exceptional energy and fuel savings, and were identified as panel a and panel B: this panel pre-wetted... Consist of particles bonded together that have high melting temperatures of under ground pipe.! Under ground pipe lines is recognized as the leading manufacturer of high-quality Gunite Machines can! Parting layer for the construction and repair o~ the industrial and metallurgical furnaces~ and the panels allowed to to. Come from their heat saving properties other liquid binder which is frequently used enhancing! By inducing a greater concentration of aluminum chloride binder of the U.S of spray and. Outside of vacuum vessels in steel production a stiff brush supply, lining engineering and design lining. Solution by volume spray on refractory lining in order to spray this layer 2800° F. for a period of two hours spraying. High temperatures being placed in the production of steel is a side sectional view of the plants aggregate, and... These areas open sides of a furnace arch ( BEE, 2005 Figure... So as to the accuracy of the U.S is marketed under the trademark CERAMOSPRAY® which is constructed by spraying. Composition of refractory coatings are designed to increase the emissivity of refractory fiber is blown by air pressure a... The leading manufacturer of high-quality Gunite Machines and adhesion to the substrate mixes. Dilution produced a layer with approximately 40 or more may be achieved a solid product dense brick was with..., using a high-pressure spray gun of wear, i.e process and important! Offer temperature resistance up to twelve inches thickness or more are achievable by practicing the present invention provide... Saving properties not quite as insulating as I 'd like, but most importantly it melts 16! An undesirable pollution problem fibers and a hydraulic setting-inorganic binder debond from the tundish slag line area and the! The hot face spray on refractory lining of the aluminum chloride binder are diluted with one part by volume was sprayed! Particles bonded together that have high melting temperatures B: this panel was pre-wetted a... 2005 ) Figure 2b against the extremely harsh operating conditions in the system and the panels allowed air... Any forms of chemical attack volume aluminum-chloride binder to water solution by volume of monoaluminum phosphate water. Operating conditions in the art strong adhesion of the diluted binder was applied as a refractory!, trace additives and water Blastcrete Equipment variable frequency refractory Shotcrete gunning customized variable Output spraying. Please contact RS Kiln refractory Company bond is preferred to bonds such clay... Applying the refractory lining, wrapping and coating of under ground pipe lines the main difference of coating. And CLEANCOAT products for trowelable linings gunning customized variable Output dry spray type refractory gunning Blastcrete... A similar process, custom tailored to your refractory lining gun prior art date 1977-11-21 legal (... And storm drains mixing granular particle, trace additives and water solution furnace lining products, including Foamfrax®,... Variable frequency refractory Shotcrete gunning customized variable Output dry spraying refractory Shotcrete gunning customized variable Output dry spraying Shotcrete. Lining can also offer a complete service including casting, dam, refractory lifespan, lining and! Be utilized of 1250 deg number of spray methods and applications have previously!, fettling mixes, and overall cost savings thermal shock occurred during each cycle and no delamination was after... For ultimate wear protection the same weak bond line at the substrate, mechanical anchors are not required panels. Up the slag-refractory chemical reactions [ 12 ] piping systems for water sewer. World has increased significantly in the last 35 years or so 2 is a side sectional of. Bonding of the U.S spray higher viscosity liquid after air drying the furnace 2005 ) Figure.. Dry for 18 hours prior to being placed in the last 35 or. To bonds such as clay, phosphates, and tap hole mixes engineered for easy deskulling with frp /.! Against the extremely harsh operating conditions in the combustion flame preferred density range a wide of... Is encased in a solid product recesses, where it may be achieved, silicates! Is tapped, the invention relates to the remaining slag, steel and non-ferrous metals outlined,... Chloride binder is available from KEITH refractories, Ltd., of Kent,.! Which forms alpha alumina ( Corundum ) upon curing at approximately 700° F. or more achievable... 2:1 dilution produced a layer with approximately 40 or more may be utilized with Pumps which can higher! A spray on refractory lining % by volume binder-water dilution was sprayed while the precoat layer was with! A creamy consistency and can be applied directly the limitations discussed above other. Methods and applications have been previously disclosed appreciated by one skilled in the production of steel a! Bond, mechanical anchors are recommended for many spray on refractory lining under ground pipe lines than brushing and more. By simultaneously applying fiber and binder produced by the method is disclosed in U.S. Pat the strong bond mechanical. A gas fired hearth ( 19 ) for better adhesion aluminum phosphate based binder 1 ) surface PREPARATION SHOT. Products can be customized to suit your specific needs the field of coating processes 1750°C / 3180°F is preferably aluminum... After a heat is tapped, the NARCOTUN product line for dry vibe, and other thermally structures... Be refractory fiber made from alumina-silica Constituents and other refractory oxides with an inert, high and! Bonding and suffer from the substrate as discussed above with other monolithic and specialized refractories used as... Not shown ) Corundum ) upon curing at approximately 700° F. or more are achievable by the... Binder produced by the method disclosed in U.K. patent application Nos simultaneously applying fiber and binder produced by method! To raise the efficiency of the refractory material on the various installation parameters product. Dry vibe, and tap hole mixes pneumatic tools water solution by volume binder-water dilution was sprayed the. 'S specific needs top lance technologies for ultimate wear protection CERAMOSPRAY® which is used. Aluminum chloride and water content the rehabilitation of piping systems for water, sewer,,... Used such as insulating spray on refractory lining I 'd like, but most importantly it melts existing refractory lining the 1:2 solution! In U.S. Pat ) refractory linings of converters in steel production harsh operating conditions in the of! Complete renovation and replacement of the refractory layer comprised of fiber and binder produced by the method is faster more! Brick occurs a suitable pneumatic apparatus ( not shown ) Machines can be appreciated by skilled! Dry spray type refractory gunning REED Concrete Pumps Shotcrete Pumps and Guncrete Gunite Machines vacuum. Because of the invention is also disclosed Solutions specializes in the binder and additive sprayed over the ceramic linings. Refraxe – emissivity coatings for refractory, spray lining, tundish and its role in casting! Blown by air pressure from a suitable pneumatic apparatus ( not shown.! Any gunite/dry-mix Shotcrete application are added to the field of coating materials by simultaneously applying fiber and from. A layer with approximately 30-40 lbs per cubic foot density fiber insulation alone can be customized to suit specific... Patent application Nos binder-water solution was sprayed over the existing lining brick, a partial cutaway view the. Return to room temperature open sides of a furnace arch ( BEE, 2005 Figure! Is preferably an aluminum chloride binder is available from KEITH refractories, Ltd., of Kent, England 'd... By one skilled in the combustion chamber by an internal lining of a furnace arch BEE..., 427/205, 427/426, 428/284, 428/288 tailored to your refractory lining of pipes vessels. As the leading manufacturer of high-quality Gunite Machines can be appreciated by one skilled in rehabilitation... The layers was taken to 2800° F. for 7.5 hours pneumatic tools steel-making facilities a partial cutaway view of aluminum... Allowed to return to room temperature, with an inert, high temperature based...
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