CN105565834A - Light insulating coating for waste heat boiler and preparation and construction technology thereof - Google Patents
Light insulating coating for waste heat boiler and preparation and construction technology thereof Download PDFInfo
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- CN105565834A CN105565834A CN201510949549.XA CN201510949549A CN105565834A CN 105565834 A CN105565834 A CN 105565834A CN 201510949549 A CN201510949549 A CN 201510949549A CN 105565834 A CN105565834 A CN 105565834A
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- Prior art keywords
- heat
- waste heat
- proof coating
- heat boiler
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Classifications
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/66—Monolithic refractories or refractory mortars, including those whether or not containing clay
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/06—Aluminous cements
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00431—Refractory materials
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/40—Porous or lightweight materials
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/20—Mortars, concrete or artificial stone characterised by specific physical values for the density
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a light insulating coating for a waste heat boiler and a preparation and construction technology thereof, belongs to the field of refractory materials and particularly relates to a preparation method of the light insulating coating for the waste heat boiler. In the coating, ceramsite is proportionally mixed with perlite, expanded vermiculite and heat-resistant clay, and CA-50 aluminate cement is added as a curing agent so as to obtain high strength, good thermal shock resistance and insulating property and meet the working conditions for the preparation and application of the waste heat boiler lining; the light insulating coating has good construction property; and compared with traditional light concrete pouring construction, the construction period is shortened by 50%, and the construction cost is reduced by 40%.
Description
Technical field
The invention belongs to fire resisting material field, be specifically related to a kind of waste heat boiler lightweight heat-proof coating.
Background technology
Under prior art condition, iron work sintering pot furnace lining material requirements heat-proof quality is good, and have some strength, can 10000 DEG C of high temperature behind city, and there is good thermal shock resistance, use general insulating refractory pouring concrete construction, need to install fetal membrane, long construction period, recruitment are many, cannot meet client's duration and construction cost requirement.Therefore, we need to develop a kind of can the lightweight heat-proof coating of rapid construction, meet customer need.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of waste heat boiler lightweight heat-proof coating and making thereof and construction technology, possess high strength, good heat-shock resistance and heat-proof quality, making and the applying working condition condition of waste heat boiler lining can be met, there is good workability
In order to solve the problems of the technologies described above, the invention provides a kind of waste heat boiler lightweight heat-proof coating, it is characterized in that: the component comprised and shared mass fraction as follows:
Haydite 15-30 part;
Light heat-resisting raw material A 17-30 part;
Fluidizer B15-25 part;
Solidifying agent C15-25 part;
Perlite 5-7 part.
A kind of waste heat boiler lightweight heat-proof coating of the present invention, it is characterized in that: described haydite, its particle size range is 1-5mm.
The granularity 1-5mm of described light heat-resisting raw material A.
Described light heat-resisting raw material A composition is expanded vermiculite, granularity 1-5mm.
Described fluidizer B component is heat-resisting clay, and granularity is≤150 orders, refractoriness 1500 DEG C, Al
2o
3content 23%.
Described solidifying agent C composition is CA-50 aluminate cement.
Described perlite particle size range is 2-3mm.
The manufacture craft of a kind of waste heat boiler lightweight heat-proof coating provided by the invention, is characterized in that comprising following steps:
1) the choosing of material
Choose the raw material of above-mentioned suitable specification respectively: haydite, particle size range is 1-5mm; Light heat-resisting raw material A, i.e. expanded vermiculite, particle diameter is 1-5mm; Fluidizer B, i.e. heat-resisting clay, refractoriness 1580 DEG C, Al
2o
3content 23%; Solidifying agent C, i.e. CA-50 aluminate cement, label is A600; Perlite, particle diameter is 1-3mm.
2) preparation of mixing system material
To take particle diameter be by weight particle size range is the haydite of 1-5mm, 15-30 part; Particle diameter is the light heat-resisting raw material A of 1-5mm, 17-30 part; Particle diameter is the perlite of 1-3mm, 5-7 part; Granularity is≤150 orders, heat-resisting clay, 15-25 part; Add stirrer to stir, be mixing system material;
3) solidifying agent weighing and bagging
By weight the 15-25 part solidifying agent C weighing inner bag finished product material weight, be loaded in Plastic film Bag, tying seals;
4) finished product packing
By 52-92 part of every bag of gross weight, it is bag weaved that weighing mixing system material is placed in plastics; Again load weighted solidifying agent C in step 3) is loaded bag weaved in, sealing is lightweight heat-proof coating finished product.
The construction technology of a kind of waste heat boiler lightweight heat-proof coating provided by the invention, is characterized in that comprising following steps:
1) transport, store
A kind of waste heat boiler lightweight heat-proof coating of the present invention, transportation should add a cover tarpaulin, prevents immersion; Be placed in dry warehouse to store, or be placed in the wood pallets of higher position, then add a cover tarpaulin, be strictly on guard against immersion;
2) pug preparation
By above-mentioned packed mixing system material and solidifying agent, add in JQ350 high-efficiency vertical stirrer, stir 30 seconds i.e. obtained siccative, then add the drinkable tap water of 20-23 part by weight every 100 parts of siccatives, stir 3 minutes blowings, be and can carry out smearing construction;
3) construction is smeared
The instruments such as mud plate are used to carry out smearing construction;
4) maintenance
Smear construction complete, at 5-30 DEG C of temperature, natural curing 72 hours, namely can baker;
5) oven drying
Natural curing is complete, carries out baker, heats up by 10 DEG C/h, is respectively incubated 24h, 16h, 12h, 8h to 110 DEG C, 150 DEG C, 300 DEG C, 500 DEG C, can carry out nature intensification afterwards, normally run to body of heater.
The invention has the beneficial effects as follows:
1. use this waste heat boiler lightweight heat-proof coating, possess high strength, good thermal shock resistance, heat-proof quality, meet the working condition of waste heat boiler.
2. workability is good, and compared with light weight concrete pouring construction, construction period shortens 50%, and construction cost lowers 40%.
3. construction body crack size can be controlled in standard range.
4., after adding the solidifying agent in this coating, construction body can final set in 5 hours, ensure that the continuity of construction process.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail.
Embodiment one:
The invention provides a kind of waste heat boiler lightweight heat-proof coating, the component comprised and shared mass fraction as follows:
Haydite 15 parts;
Light heat-resisting raw material A 17 parts;
Fluidizer B15 part;
Solidifying agent C15 part;
Perlite 5 parts.
Described haydite, its particle size range is 1-5mm.
The granularity 1-5mm of described light heat-resisting raw material A.
Described light heat-resisting raw material A composition is expanded vermiculite, granularity 1-5mm.
Described fluidizer B component is heat-resisting clay, and granularity is≤150 orders, refractoriness 1500 DEG C, Al
2o
3content 23%.
Described solidifying agent C composition is CA-50 aluminate cement.
Described perlite particle size range is 2-3mm.
The manufacture craft of a kind of waste heat boiler lightweight heat-proof coating provided by the invention, comprises following steps:
1) the choosing of material
Choose the raw material of above-mentioned suitable specification respectively: haydite, particle size range is 1-5mm; Light heat-resisting raw material A, i.e. expanded vermiculite, particle diameter is 1-5mm; Fluidizer B, i.e. heat-resisting clay, refractoriness 1580 DEG C, Al
2o
3content 23%; Solidifying agent C, i.e. CA-50 aluminate cement, label is A600; Perlite, particle diameter is 1-3mm.
2) preparation of mixing system material
To take particle diameter be by weight particle size range is the haydite of 1-5mm, 15 parts; Particle diameter is the light heat-resisting raw material A of 1-5mm, 17 parts; Particle diameter is the perlite of 1-3mm, 5 parts; Granularity is≤150 orders, heat-resisting clay, 15 parts; Add stirrer to stir, be mixing system material;
3) solidifying agent weighing and bagging
By weight the 15 parts of solidifying agent C weighing inner bag finished product material weight, be loaded in Plastic film Bag, tying seals;
4) finished product packing
By 52 parts of every bag of gross weight, it is bag weaved that weighing mixing system material is placed in plastics; Again load weighted solidifying agent C in step 3) is loaded bag weaved in, sealing is lightweight heat-proof coating finished product.
The construction technology of a kind of waste heat boiler lightweight heat-proof coating provided by the invention, comprises following steps:
1) transport, store
A kind of waste heat boiler lightweight heat-proof coating of the present invention, transportation should add a cover tarpaulin, prevents immersion; Be placed in dry warehouse to store, or be placed in the wood pallets of higher position, then add a cover tarpaulin, be strictly on guard against immersion;
2) pug preparation
By above-mentioned packed mixing system material and solidifying agent, add in JQ350 high-efficiency vertical stirrer, stir 30 seconds i.e. obtained siccative, then add the drinkable tap water of 20-23 part by weight every 100 parts of siccatives, stir 3 minutes blowings, be and can carry out smearing construction;
3) construction is smeared
The instruments such as mud plate are used to carry out smearing construction;
4) maintenance
Smear construction complete, at 5-30 DEG C of temperature, natural curing 72 hours, namely can baker;
5) oven drying
Natural curing is complete, carries out baker, heats up by 10 DEG C/h, is respectively incubated 24h, 16h, 12h, 8h to 110 DEG C, 150 DEG C, 300 DEG C, 500 DEG C, can carry out nature intensification afterwards, normally run to body of heater.
The performance index that the present invention obtains thing are:
The present invention uses this waste heat boiler lightweight heat-proof coating, possesses high strength, good thermal shock resistance, heat-proof quality, meets the working condition of waste heat boiler.Workability is good, and compared with light weight concrete pouring construction, construction period shortens 50%, and construction cost lowers 40%.After adding the solidifying agent in this coating, construction body can final set in 5 hours, ensure that the continuity of construction process, and construction body crack size can be controlled in standard range.
Embodiment two:
The invention provides a kind of waste heat boiler lightweight heat-proof coating, the component comprised and shared mass fraction as follows:
Haydite 30 parts;
Light heat-resisting raw material A 30 parts;
Fluidizer B25 part;
Solidifying agent C25 part;
Perlite 7 parts.
Described haydite, its particle size range is 1-5mm.
The granularity 1-5mm of described light heat-resisting raw material A.
Described light heat-resisting raw material A composition is expanded vermiculite, granularity 1-5mm.
Described fluidizer B component is heat-resisting clay, and granularity is≤150 orders, refractoriness 1500 DEG C, Al
2o
3content 23%.
Described solidifying agent C composition is CA-50 aluminate cement.
Described perlite particle size range is 2-3mm.
The manufacture craft of a kind of waste heat boiler lightweight heat-proof coating provided by the invention, comprises following steps:
1) the choosing of material
Choose the raw material of above-mentioned suitable specification respectively: haydite, particle size range is 1-5mm; Light heat-resisting raw material A, i.e. expanded vermiculite, particle diameter is 1-5mm; Fluidizer B, i.e. heat-resisting clay, refractoriness 1580 DEG C, Al
2o
3content 23%; Solidifying agent C, i.e. CA-50 aluminate cement, label is A600; Perlite, particle diameter is 1-3mm.
2) preparation of mixing system material
To take particle diameter be by weight particle size range is the haydite of 1-5mm, 30 parts; Particle diameter is the light heat-resisting raw material A of 1-5mm, 30 parts; Particle diameter is the perlite of 1-3mm, 7 parts; Granularity is≤150 orders, heat-resisting clay, 25 parts; Add stirrer to stir, be mixing system material;
3) solidifying agent weighing and bagging
By weight the 25 parts of solidifying agent C weighing inner bag finished product material weight, be loaded in Plastic film Bag, tying seals;
4) finished product packing
By 92 parts of every bag of gross weight, it is bag weaved that weighing mixing system material is placed in plastics; Again load weighted solidifying agent C in step 3) is loaded bag weaved in, sealing is lightweight heat-proof coating finished product.
All the other formulas and embodiment, with embodiment one, repeat no more.
Embodiment three:
The invention provides a kind of waste heat boiler lightweight heat-proof coating, the component comprised and shared mass fraction as follows:
Haydite 17 parts;
Light heat-resisting raw material A 22 parts;
Fluidizer B17 part;
Solidifying agent C18 part;
Perlite 6 parts.
Described haydite, its particle size range is 1-5mm.
The granularity 1-5mm of described light heat-resisting raw material A.
Described light heat-resisting raw material A composition is expanded vermiculite, granularity 1-5mm.
Described fluidizer B component is heat-resisting clay, and granularity is≤150 orders, refractoriness 1500 DEG C, Al
2o
3content 23%.
Described solidifying agent C composition is CA-50 aluminate cement.
Described perlite particle size range is 2-3mm.
The manufacture craft of a kind of waste heat boiler lightweight heat-proof coating provided by the invention, comprises following steps:
1) the choosing of material
Choose the raw material of above-mentioned suitable specification respectively: haydite, particle size range is 1-5mm; Light heat-resisting raw material A, i.e. expanded vermiculite, particle diameter is 1-5mm; Fluidizer B, i.e. heat-resisting clay, refractoriness 1580 DEG C, Al
2o
3content 23%; Solidifying agent C, i.e. CA-50 aluminate cement, label is A600; Perlite, particle diameter is 1-3mm.
2) preparation of mixing system material
To take particle diameter be by weight particle size range is the haydite of 1-5mm, 17 parts; Particle diameter is the light heat-resisting raw material A of 1-5mm, 22 parts; Particle diameter is the perlite of 1-3mm, 6 parts; Granularity is≤150 orders, heat-resisting clay, 17 parts; Add stirrer to stir, be mixing system material;
3) solidifying agent weighing and bagging
By weight the 18 parts of solidifying agent C weighing inner bag finished product material weight, be loaded in Plastic film Bag, tying seals;
4) finished product packing
By 62 parts of every bag of gross weight, it is bag weaved that weighing mixing system material is placed in plastics; Again load weighted solidifying agent C in step 3) is loaded bag weaved in, sealing is lightweight heat-proof coating finished product.
All the other formulas and embodiment, with embodiment one or two, repeat no more.
It is pointed out that above-mentioned embodiment is only the preferred embodiment of the invention, for those skilled in the art, under the prerequisite meeting principle of work of the present invention, any equivalent or similar replacement all falls within the scope of protection of the present invention.
Claims (9)
1. a waste heat boiler lightweight heat-proof coating, is characterized in that: the component comprised and shared mass fraction as follows:
Haydite 15-30 part;
Light heat-resisting raw material A 17-30 part;
Fluidizer B15-25 part;
Solidifying agent C15-25 part;
Perlite 5-7 part.
2. a kind of waste heat boiler lightweight heat-proof coating according to claim 1, it is characterized in that: described haydite, its particle size range is 1-5mm.
3. a kind of waste heat boiler lightweight heat-proof coating according to claim 1, is characterized in that: the granularity 1-5mm of described light heat-resisting raw material A.
4. a kind of waste heat boiler lightweight heat-proof coating according to claim 1, is characterized in that: described light heat-resisting raw material A composition is expanded vermiculite, granularity 1-5mm.
5. a kind of waste heat boiler lightweight heat-proof coating according to claim 1, it is characterized in that: described fluidizer B component is heat-resisting clay, granularity is≤150 orders, refractoriness 1500 DEG C, Al
2o
3content 23%.
6. a kind of waste heat boiler lightweight heat-proof coating according to claim 1, is characterized in that: described solidifying agent C composition is CA-50 aluminate cement.
7. a kind of waste heat boiler lightweight heat-proof coating according to claim 1, is characterized in that: described perlite particle size range is 2-3mm.
8. the manufacture craft of a kind of waste heat boiler lightweight heat-proof coating according to any one of claim 1-7, is characterized in that comprising following steps:
1) the choosing of material
Choose the raw material of above-mentioned suitable specification respectively: haydite, particle size range is 1-5mm; Light heat-resisting raw material A, i.e. expanded vermiculite, particle diameter is 1-5mm; Fluidizer B, i.e. heat-resisting clay, refractoriness 1580 DEG C, Al
2o
3content 23%; Solidifying agent C, i.e. CA-50 aluminate cement, label is A600; Perlite, particle diameter is 1-3mm;
2) preparation of mixing system material
To take particle diameter be by weight particle size range is the haydite of 1-5mm, 15-30 part; Particle diameter is the light heat-resisting raw material A of 1-5mm, 17-30 part; Particle diameter is the perlite of 1-3mm, 5-7 part; Granularity is≤150 orders, heat-resisting clay, 15-25 part; Add stirrer to stir, be mixing system material;
3) solidifying agent weighing and bagging
By weight the 15-25 part solidifying agent C weighing inner bag finished product material weight, be loaded in Plastic film Bag, tying seals;
4) finished product packing
By 52-92 part of every bag of gross weight, it is bag weaved that weighing mixing system material is placed in plastics; Again load weighted solidifying agent C in step 3) is loaded bag weaved in, sealing is lightweight heat-proof coating finished product.
9. the construction technology of a kind of waste heat boiler lightweight heat-proof coating according to claim 8, is characterized in that comprising following steps:
1) transport, store
A kind of waste heat boiler lightweight heat-proof coating of the present invention, transportation should add a cover tarpaulin, prevents immersion; Be placed in dry warehouse to store, or be placed in the wood pallets of higher position, then add a cover tarpaulin, be strictly on guard against immersion;
2) pug preparation
By above-mentioned packed mixing system material and solidifying agent, add in JQ350 high-efficiency vertical stirrer, stir 30 seconds i.e. obtained siccative, then add the drinkable tap water of 20-23 part by weight every 100 parts of siccatives, stir 3 minutes blowings, be and can carry out smearing construction;
3) construction is smeared
The instruments such as mud plate are used to carry out smearing construction;
4) maintenance
Smear construction complete, at 5-30 DEG C of temperature, natural curing 72 hours, namely can baker;
5) oven drying
Natural curing is complete, carries out baker, heats up by 10 DEG C/h, is respectively incubated 24h, 16h, 12h, 8h to 110 DEG C, 150 DEG C, 300 DEG C, 500 DEG C, can carry out nature intensification afterwards, normally run to body of heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510949549.XA CN105565834A (en) | 2015-12-18 | 2015-12-18 | Light insulating coating for waste heat boiler and preparation and construction technology thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510949549.XA CN105565834A (en) | 2015-12-18 | 2015-12-18 | Light insulating coating for waste heat boiler and preparation and construction technology thereof |
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| Publication Number | Publication Date |
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| CN105565834A true CN105565834A (en) | 2016-05-11 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510949549.XA Pending CN105565834A (en) | 2015-12-18 | 2015-12-18 | Light insulating coating for waste heat boiler and preparation and construction technology thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107473757A (en) * | 2017-08-30 | 2017-12-15 | 王珩 | A kind of thermal insulation separation warm sludge and its application method |
| CN112194453A (en) * | 2020-10-14 | 2021-01-08 | 郑州东方炉衬材料有限公司 | Light-gathering heat-insulating plastic concrete for gasification furnace and power station boiler and production process thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104725061A (en) * | 2015-03-16 | 2015-06-24 | 通达耐火技术股份有限公司 | Wear-resisting ramming and smearing material for waste heat power generation of cement kiln |
-
2015
- 2015-12-18 CN CN201510949549.XA patent/CN105565834A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104725061A (en) * | 2015-03-16 | 2015-06-24 | 通达耐火技术股份有限公司 | Wear-resisting ramming and smearing material for waste heat power generation of cement kiln |
Non-Patent Citations (1)
| Title |
|---|
| 王立久等: "《新型屋面材料》", 31 October 2012, 中国建材工业出版社 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107473757A (en) * | 2017-08-30 | 2017-12-15 | 王珩 | A kind of thermal insulation separation warm sludge and its application method |
| CN112194453A (en) * | 2020-10-14 | 2021-01-08 | 郑州东方炉衬材料有限公司 | Light-gathering heat-insulating plastic concrete for gasification furnace and power station boiler and production process thereof |
| CN112194453B (en) * | 2020-10-14 | 2022-07-29 | 郑州东方炉衬材料有限公司 | Light-gathering heat-insulating plastic concrete for gasification furnace and power station boiler and production process thereof |
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Application publication date: 20160511 |