CN101830713A - Firm can plastic and preparation method thereof - Google Patents
Firm can plastic and preparation method thereof Download PDFInfo
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- CN101830713A CN101830713A CN 201010158430 CN201010158430A CN101830713A CN 101830713 A CN101830713 A CN 101830713A CN 201010158430 CN201010158430 CN 201010158430 CN 201010158430 A CN201010158430 A CN 201010158430A CN 101830713 A CN101830713 A CN 101830713A
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- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims abstract description 38
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 229910010271 silicon carbide Inorganic materials 0.000 claims abstract description 24
- 239000000203 mixture Substances 0.000 claims abstract description 23
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 claims abstract description 21
- 229910052863 mullite Inorganic materials 0.000 claims abstract description 21
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims abstract description 20
- 238000002156 mixing Methods 0.000 claims abstract description 19
- ILRRQNADMUWWFW-UHFFFAOYSA-K aluminium phosphate Chemical compound O1[Al]2OP1(=O)O2 ILRRQNADMUWWFW-UHFFFAOYSA-K 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims abstract description 14
- 239000002245 particle Substances 0.000 claims abstract description 10
- 238000012856 packing Methods 0.000 claims abstract description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 28
- 239000000463 material Substances 0.000 claims description 28
- 239000000843 powder Substances 0.000 claims description 24
- 238000009766 low-temperature sintering Methods 0.000 claims description 18
- 239000003595 mist Substances 0.000 claims description 14
- 239000000126 substance Substances 0.000 claims description 6
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 5
- 238000001354 calcination Methods 0.000 claims description 5
- 239000003638 chemical reducing agent Substances 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 230000032683 aging Effects 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 3
- 239000004615 ingredient Substances 0.000 claims description 3
- 238000004806 packaging method and process Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 239000012615 aggregate Substances 0.000 claims description 2
- 230000008901 benefit Effects 0.000 abstract description 4
- 239000000571 coke Substances 0.000 abstract description 4
- 239000011819 refractory material Substances 0.000 abstract description 4
- 238000010791 quenching Methods 0.000 abstract description 3
- 230000000171 quenching effect Effects 0.000 abstract description 3
- 238000007664 blowing Methods 0.000 abstract description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract 1
- 229940001007 aluminium phosphate Drugs 0.000 abstract 1
- 239000007767 bonding agent Substances 0.000 abstract 1
- 239000011159 matrix material Substances 0.000 abstract 1
- 229910052710 silicon Inorganic materials 0.000 abstract 1
- 239000010703 silicon Substances 0.000 abstract 1
- 239000011449 brick Substances 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 229910052581 Si3N4 Inorganic materials 0.000 description 4
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 238000005245 sintering Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000001257 hydrogen Chemical group 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000004570 mortar (masonry) Substances 0.000 description 2
- 239000012299 nitrogen atmosphere Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 230000008646 thermal stress Effects 0.000 description 2
- 230000003245 working effect Effects 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical group [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 150000002431 hydrogen Chemical group 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 229910000398 iron phosphate Inorganic materials 0.000 description 1
- WBJZTOZJJYAKHQ-UHFFFAOYSA-K iron(3+) phosphate Chemical group [Fe+3].[O-]P([O-])([O-])=O WBJZTOZJJYAKHQ-UHFFFAOYSA-K 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- -1 microtexture Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Landscapes
- Ceramic Products (AREA)
- Compositions Of Oxide Ceramics (AREA)
Abstract
The invention discloses firm can plastic and a preparation method thereof. The firm can plastic comprises the following components in percentage by mass: 80 to 90 percent of a mixture of silicon carbide and mullite, 2 to 12 percent of silicon-containing micropowder of which the particle size is less than 2,200 meshes and 8 to 18 percent of low-temperature agglutinant, wherein the silicon carbide accounts for 5 to 15 percent of the mixture and the mullite accounts for 85 to 95 percent of the mixture. The preparation method comprises the following specific steps of: sequentially mixing for the first time, bundling, mixing for the second time, extruding, blanking and packing by taking the mullite and silicon carbide as a matrix material, and phosphoric acid and aluminium phosphate as a bonding agent. The firm can plastic has the advantages of effectively prolonging the service life of a refractory material, effectively improving the reliability of the refractory material, reducing the consumption and blowing out times of the refractory material, being used under the working condition of a dry coke quenching furnace, increasing the economic benefit and saving resources, along with high wear resistance and high compressive strength and compactness at normal temperature. The preparation method has the advantages of capability of improving the quality of the product, simple process and easy operation.
Description
Technical field
The present invention relates to a kind of refractory materials and preparation method thereof, is a kind of firm can plastic and preparation method thereof specifically.
Background technology
Coke dry quenching furnace in process of production, coke gravity from top to bottom contacts with the working face of anti-the material, produce friction, for working face, this friction is exactly long-standing mechanical wear, along with wearing and tearing day by day, working face begins to occur the particle of anti-material the coarse and that peel off gradually, surface tissue is loose, and in addition, cold inertness gas nitrogen is being mingled with powdered carbon along with air-flow constantly washes away loose already working face bump, under this working condition, the wear resistance of anti-material has been subjected to unprecedented test, and As time goes on, the liner working face is little by little degraded.
Because mortar joint is built mud by laying bricks or stones when building by laying bricks or stones, not as carbon not brick live through firing process, specific tenacity and compactness are all relatively poor mutually with brick, moreover, do back mortar joint volumetric shrinkage, the slit appears.All-pervasive air-flow is carried powdered carbon secretly and is inserted in the slit, after is heated, the slit is enlarged gradually, cause wall body structure to be damaged, siliceous mullite brick also splits because of the change of stressing conditions gradually gradually, and serious situation may be split into several by full brick, several times tribulation, the ability to bear of whole body of wall worse and worse, until afunction.If untimely employing measure is repaired, the danger of collapsing is arranged.
Summary of the invention
Goal of the invention: the objective of the invention is that a kind of wear resistance is good in order to provide, cold crushing strength and compactness well and can effectively improve the work-ing life of anti-material and the firm can plastic of reliability.
Another object of the present invention is that a kind of technology is simple, the preparation method of the firm can plastic that can improve the quality of products in order to provide.
Technical scheme: in order to solve above-mentioned first purpose, the technical solution adopted in the present invention is: a kind of firm can plastic, comprise silicon carbide and mullite mixture 80～90%, contain siliceous micro mist 2～12% less than 2200 purposes, low-temperature sintering agent 8～18%, silicon carbide is 5～15% in the described mixture, mullite is 85～95%; Above percentage ratio is mass percent.
The purpose that adds SiC among the present invention; be owing to have nitrogen atmosphere in the stove; this cold inertness gas and SiC can directly react; generate silicon nitride; silicon nitride is a kind of material that has than high-wear resistance; can play stronger provide protection to furnace lining itself, thereby strengthen the wear resistance of masonry.
Described low-temperature sintering agent comprises Yixing mud.
Described Yixing mud is the goods that obtain through after 1100 ℃ of calcinings, and the mass percent of aluminium sesquioxide is 35～40% in the mud of Yixing.
The critical particle diameter of described firm can plastic is 10～20mm.
The described purity that contains siliceous micro mist is 99.99%.
In order to solve above-mentioned second purpose, the preparation method of described firm can plastic, this method comprises the steps:
1) batching: the mass percent according to above-mentioned each component is prepared burden: add in the mixture of being made up of mullite and silicon carbide and contain siliceous micro mist less than 2200 purposes, use phosphoric acid and aluminum phosphate as wedding agent, use Yixing mud as the low-temperature sintering agent; Described mixture is made aggregate and powder, and the mass content of aggregate is 60～70%, the mass content of powder is 30～40%;
2) once mixing: earlier mixing with phosphoric acid and aggregate, powder, low-temperature sintering agent, ageing mixture 1-3 days then, wherein the consumption of phosphoric acid was 5～10% of aggregate and a powder gross weight;
3) secondary is mixing: admixture admixture, aluminum phosphate, and mixing even, wherein the consumption of aluminum phosphate is 8～12% of aggregate and a powder gross weight;
4) material extrusion;
5) cut base:
6) packing: step 5) gained blank is promptly got described firm can plastic with plastic paper sealing, woven bag outer packaging separately.
To mix in order making, to improve the quality of products, order of addition(of ingredients) is for adding aggregate earlier, after add wedding agent, after particle is all moistening, add powder again, low-temperature sintering agent and admixture, and add aluminum phosphate, wet mixing 10-15min.
In step 3), described admixture is one or both in accelerating chemicals, the water reducer; The adding of accelerating chemicals, water reducer depends primarily on meteorological conditions and on-the-spot execution conditions such as temperature, humidity, wind speed.
Described concentration of phosphoric acid is more than 50%.
Among the present invention owing to contain iron in the silicon carbide, mullite, so adopt the once mixing operation in this method, purpose is in order to remove the irony in silicon carbide and the mullite, principle is to have added phosphoric acid in the substrate material, phosphoric acid and iron can react and generate tertiary iron phosphate and hydrogen, hydrogen must discharge (abbreviating " aeration " as) fully in this material before forming materials, avoids masonry to produce pore and loose, thereby improves the performance of product.
Beneficial effect: compared with prior art, advantage of the present invention is: firm can plastic has good wear resistance, cold crushing strength and compactness well also can effectively improve the work-ing life and the reliability of anti-material, thereby can reduce refractory consumption and blowing out number of times, be particularly useful for using under the coke dry quenching furnace working condition, can increase economic efficiency and economize on resources; The preparation method of firm can plastic of the present invention, not only technology is simple to operation, and can improve the quality of products.
Embodiment
Further set forth the present invention below by embodiment, should understand these embodiment and only be used to the present invention is described and be not used in and limit the scope of the invention.
Embodiment 1: a kind of firm can plastic of the present invention, the mixture that comprises 80% silicon carbide and mullite, the low-temperature sintering agent is 18%, silicon carbide is 5% in mixture, mullite is 95%, containing siliceous micro mist less than 2200 purposes is 2%, and above percentage ratio is mass percent.Yixing mud through obtaining after 1100 ℃ of calcinings is adopted in the low-temperature sintering agent, and the mass percent of aluminium sesquioxide is 35～40% in the mud of Yixing; The purity that contains siliceous micro mist is 99.99%.
The critical particle diameter of described firm can plastic is 10～20mm.The size of critical particle diameter is along with the firm can plastic masonry thickness that needs in the construction process to build by laying bricks or stones is determined.
Firm can plastic has following characteristic among the present invention:
A, compressive strength:
Compressive strength is a material sample in the effect of the load that is under pressure and the ultimate stress in destroying.The intensity size depends on the kind and the consumption of wedding agent and admixture thereof, also is subjected to material purity, proportioning, mixes and stirs the influence with factors such as amount of fluid, constructional method and conservation systems.Compressive strength when we have examined 850 ℃ * 3h in process of the test is 72Mpa, and this is the index behind the material sintering.Because moldable intensity when normal temperature is very little, we are the wedding agent in when construction except that adopting phosphoric acid, admixtures such as hardening accelerator, solidifying agent have also been added as the means (cold crushing strength) that improve anti-material intensity in addition the time, so that can guarantee construction and duration continuously.But this intensity (similar sintering strength) is temporary transient, is to obtain by chemical process, plays important effect to preceding this intensity of material sintering.
B, heat-shock resistance
Heat-shock resistance claims rapid heat cycle, thermal shocking resistivity and thermostability again.Material in use, the ascending, descending of temperature is inevitable, makes it produce to expand and shrinks.Produce thermal stresses.When thermal stresses surpasses self structure intensity, just taken place to ftracture and peel off, even made the collapse of lining body.This use properties is to weigh the key index of quality of materials, also is one of the selection of design and foundation of use operation.
Performances such as minerals commonly used in chemical industry composition, microtexture, material particles and blending process, thermal expansion and the thermal conductivity of heat-shock resistance and material have substantial connection, with the structural strength of material substantial connection are arranged also.In general, the material coefficient of thermal expansion rate is big, and heat-shock resistance is poor, and thermal conductivity is high more, and heat-shock resistance is good more.In the process of design and select material, admixture silicon carbide (SiC) is exactly we make important consideration to this index reason.The thermal conductivity of SiC is higher relatively, is the preferred material of highly heat-conductive material, and making wedding agent with phosphoric acid in addition also is for same consideration.Data and studies show that, phosphoric acid bonded material thermal shock resistance can improve 3-5 doubly, and firm can plastic has taken into full account the importance of this use properties.
C, wear resistance
Wear resistance is the ability that opposing friction is deteriorated, and measurable firm can plastic is in wearing and tearing and wash away suitability in the environment.We are in process of the test, and test block detects to many groups, and tested test block all reaches 6cc, this index reaction, and the wear resistance of firm can plastic has reached service requirements.
Embodiment 2: a kind of firm can plastic of the present invention, mixture, the low-temperature sintering agent that comprises 90% silicon carbide and mullite be 8%, contain siliceous micro mist less than 2200 purposes is 12%, silicon carbide is 15% in mixture, mullite is 85%, and above percentage ratio is mass percent.Yixing mud through obtaining after 1100 ℃ of calcinings is adopted in the low-temperature sintering agent, and the mass percent of aluminium sesquioxide is 35～40% in the mud of Yixing; The purity that contains siliceous micro mist is 99.99%.
The purpose that adds SiC among the present invention; be owing to have nitrogen atmosphere in the stove; this cold inertness gas and SiC can directly react; generate silicon nitride; silicon nitride is a kind of material that has than high-wear resistance; can play stronger provide protection to furnace lining itself, thereby strengthen the wear resistance of masonry.
Embodiment 3: a kind of firm can plastic of the present invention, mixture, the low-temperature sintering agent that comprises 85% silicon carbide and mullite be 13%, contain siliceous micro mist less than 2200 purposes is 8%, silicon carbide is 10% in mixture, mullite is 90%, and above percentage ratio is mass percent.Yixing mud through obtaining after 1100 ℃ of calcinings is adopted in the low-temperature sintering agent, and the mass percent of aluminium sesquioxide is 35～40% in the mud of Yixing; The purity that contains siliceous micro mist is 99.99%.
Embodiment 4: the preparation method of firm can plastic of the present invention, this method comprises the steps:
1) batching: adopt mullite, silicon carbide, less than 2200 purpose purity be 99.99% contain siliceous micro mist as substrate material, in the mixture of forming by mullite and silicon carbide, add and contain siliceous micro mist less than 2200 purposes, with phosphoric acid and aluminum phosphate as wedding agent, with Yixing mud as the low-temperature sintering agent; Described mixture is made aggregate and powder, and the mass content of aggregate is 70%, the mass content of powder is 30%;
2) once mixing: it is mixing with aggregate, powder, Yixing mud to be 50% phosphoric acid with mass concentration earlier, ties then and expects that wherein the consumption of phosphoric acid was 8% of aggregate and a powder gross weight 1-3 days; Owing to contain iron in the mullite, adopt this operation energy deironing;
3) secondary is mixing: admixture admixture, aluminum phosphate, and mixing even, wherein the consumption of aluminum phosphate is 10% of aggregate and a powder gross weight; Admixture is one or both in accelerating chemicals, the water reducer; The adding of accelerating chemicals, water reducer depends primarily on meteorological conditions and on-the-spot execution conditions such as temperature, humidity, wind speed.
4) material extrusion;
5) cut base:
6) packing: the gained blank promptly gets described firm can plastic with plastic paper sealing, woven bag outer packaging separately after will cutting base.
In the method, order of addition(of ingredients) is for adding aggregate earlier, after add wedding agent, after particle is all moistening, add powder again, low-temperature sintering agent and admixture, and add aluminum phosphate, wet mixing 10-15min.
Embodiment 5: substantially the same manner as Example 4, the mass content of different is aggregate is 60%, the mass content of powder is for being 40%; The consumption of phosphoric acid is 5% of aggregate and a powder gross weight; The consumption of aluminum phosphate is 8% of aggregate and a powder gross weight.
Embodiment 6: substantially the same manner as Example 4, the mass content of different is aggregate is 65%, the mass content of powder is 35%; The consumption of phosphoric acid is 10% of aggregate and a powder gross weight, ageing mixture 2 days; The consumption of aluminum phosphate is 12% of aggregate and a powder gross weight.
The above only is a preferred implementation of the present invention, should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also make some improvement, and these improvement also should be considered as protection scope of the present invention.
Claims (9)
1. firm can plastic, it is characterized in that comprising silicon carbide and mullite mixture 80～90%, contain siliceous micro mist 2～12% less than 2200 purposes, low-temperature sintering agent 8～18%, silicon carbide is 5～15% in the described mixture, mullite is 85～95%; Above percentage ratio is mass percent.
2. firm can plastic according to claim 1 is characterized in that: described low-temperature sintering agent comprises Yixing mud.
3. firm can plastic according to claim 2 is characterized in that: described Yixing mud is the goods that obtain through after 1100 ℃ of calcinings, and the mass percent of aluminium sesquioxide is 35～40% in the mud of Yixing.
4. firm can plastic according to claim 1 is characterized in that: the critical particle diameter of described firm can plastic is 10～20mm.
5. firm can plastic according to claim 1 is characterized in that: the described purity that contains siliceous micro mist is 99.99%.
6. the preparation method according to each described firm can plastic in the claim 1 to 5 is characterized in that this method comprises the steps:
1) prepares burden according to the mass percent of above-mentioned each component: in the mixture of forming by mullite and silicon carbide, add and contain siliceous micro mist, use phosphoric acid and aluminum phosphate, use Yixing mud as the low-temperature sintering agent as wedding agent less than 2200 purposes; Described mixture is made aggregate and powder, and the mass content of aggregate is 60～70%, the mass content of powder is 30～40%;
2) once mixing: earlier mixing with phosphoric acid and aggregate, powder, low-temperature sintering agent, ageing mixture 1-3 days then, wherein the consumption of phosphoric acid was 5～10% of aggregate and a powder gross weight;
3) secondary is mixing: admixture admixture, aluminum phosphate, and mixing even, wherein the consumption of aluminum phosphate is 8～12% of aggregate and a powder gross weight;
4) material extrusion;
5) cut base;
6) packing: step 5) gained blank is promptly got described firm can plastic with plastic paper sealing, woven bag outer packaging separately.
7. the preparation method of firm can plastic according to claim 6 is characterized in that: order of addition(of ingredients) is for adding aggregate earlier, after add wedding agent, after particle is all moistening, add powder again, low-temperature sintering agent and admixture, and add aluminum phosphate, wet mixing 10-15min.
8. the preparation method of firm can plastic according to claim 6, it is characterized in that: in step 3), described admixture is one or both in accelerating chemicals, the water reducer.
9. the preparation method of firm can plastic according to claim 6, it is characterized in that: described concentration of phosphoric acid is more than 50%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101584308A CN101830713B (en) | 2010-04-27 | 2010-04-27 | Firm can plastic and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101584308A CN101830713B (en) | 2010-04-27 | 2010-04-27 | Firm can plastic and preparation method thereof |
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| CN101830713A true CN101830713A (en) | 2010-09-15 |
| CN101830713B CN101830713B (en) | 2013-12-11 |
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| CN2010101584308A Expired - Fee Related CN101830713B (en) | 2010-04-27 | 2010-04-27 | Firm can plastic and preparation method thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102850069A (en) * | 2012-09-25 | 2013-01-02 | 南京联合荣大工程材料有限责任公司 | Kilneye plastic refractory |
| CN103130516A (en) * | 2011-12-02 | 2013-06-05 | 河南省新密市青屏耐火材料有限责任公司 | Mullite carborundum brick used for dry quenching stove |
| CN105218115A (en) * | 2015-10-12 | 2016-01-06 | 宜兴市炉顶密封工程有限公司 | The alkaline-resisting resistance to compression mould material of hard first |
| CN105503142A (en) * | 2015-12-18 | 2016-04-20 | 山东耀华特耐科技有限公司 | Light moldable material used for waste heat boiler and constructed under severe-cold condition |
| CN105503210A (en) * | 2015-12-18 | 2016-04-20 | 山东耀华特耐科技有限公司 | Anti-corrosion plastic refractory for furnace top of medical garbage incinerator and manufacturing and construction process of anti-corrosion plastic refractory |
| CN105565833A (en) * | 2015-12-18 | 2016-05-11 | 山东耀华特耐科技有限公司 | Efficient refractory castable for medical waste incinerator and preparation and construction technology thereof |
| CN106242599A (en) * | 2016-08-08 | 2016-12-21 | 武汉钢铁股份有限公司 | The fast repairing material at coke dry quenching furnace oblique flue bracket position and method for repairing and mending thereof |
| CN106278292A (en) * | 2015-06-03 | 2017-01-04 | 宜兴市国强炉业有限公司 | Recirculating fluidized bed high-temperature wearable is moldable and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103130516A (en) * | 2011-12-02 | 2013-06-05 | 河南省新密市青屏耐火材料有限责任公司 | Mullite carborundum brick used for dry quenching stove |
| CN103130516B (en) * | 2011-12-02 | 2014-12-03 | 河南省新密市青屏耐火材料有限责任公司 | Mullite carborundum brick used for dry quenching stove |
| CN102850069A (en) * | 2012-09-25 | 2013-01-02 | 南京联合荣大工程材料有限责任公司 | Kilneye plastic refractory |
| CN106278292A (en) * | 2015-06-03 | 2017-01-04 | 宜兴市国强炉业有限公司 | Recirculating fluidized bed high-temperature wearable is moldable and preparation method thereof |
| CN105218115A (en) * | 2015-10-12 | 2016-01-06 | 宜兴市炉顶密封工程有限公司 | The alkaline-resisting resistance to compression mould material of hard first |
| CN105503142A (en) * | 2015-12-18 | 2016-04-20 | 山东耀华特耐科技有限公司 | Light moldable material used for waste heat boiler and constructed under severe-cold condition |
| CN105503210A (en) * | 2015-12-18 | 2016-04-20 | 山东耀华特耐科技有限公司 | Anti-corrosion plastic refractory for furnace top of medical garbage incinerator and manufacturing and construction process of anti-corrosion plastic refractory |
| CN105565833A (en) * | 2015-12-18 | 2016-05-11 | 山东耀华特耐科技有限公司 | Efficient refractory castable for medical waste incinerator and preparation and construction technology thereof |
| CN106242599A (en) * | 2016-08-08 | 2016-12-21 | 武汉钢铁股份有限公司 | The fast repairing material at coke dry quenching furnace oblique flue bracket position and method for repairing and mending thereof |
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|---|---|
| CN101830713B (en) | 2013-12-11 |
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