CN115448696A - Preparation method of coal gangue ceramsite hollow brick - Google Patents
Preparation method of coal gangue ceramsite hollow brick Download PDFInfo
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- CN115448696A CN115448696A CN202211085096.7A CN202211085096A CN115448696A CN 115448696 A CN115448696 A CN 115448696A CN 202211085096 A CN202211085096 A CN 202211085096A CN 115448696 A CN115448696 A CN 115448696A
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- ceramsite
- coal gangue
- brick
- crushed
- raw material
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- 239000003245 coal Substances 0.000 title claims abstract description 37
- 239000011464 hollow brick Substances 0.000 title claims abstract description 21
- 238000002360 preparation method Methods 0.000 title abstract description 6
- 239000002994 raw material Substances 0.000 claims abstract description 35
- 239000000463 material Substances 0.000 claims abstract description 26
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000003546 flue gas Substances 0.000 claims abstract description 20
- 239000000428 dust Substances 0.000 claims abstract description 19
- 230000001788 irregular Effects 0.000 claims abstract description 7
- 239000011449 brick Substances 0.000 claims description 44
- 239000000843 powder Substances 0.000 claims description 20
- 239000011812 mixed powder Substances 0.000 claims description 13
- 241000192700 Cyanobacteria Species 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 12
- 238000001035 drying Methods 0.000 claims description 9
- 238000002156 mixing Methods 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 238000004512 die casting Methods 0.000 claims description 6
- 230000002708 enhancing effect Effects 0.000 claims description 6
- 235000015097 nutrients Nutrition 0.000 claims description 6
- 230000000284 resting effect Effects 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 6
- 241000894006 Bacteria Species 0.000 claims description 4
- 241000195493 Cryptophyta Species 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 238000010304 firing Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 239000003607 modifier Substances 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 6
- 229910000019 calcium carbonate Inorganic materials 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 208000015181 infectious disease Diseases 0.000 description 2
- 206010035653 pneumoconiosis Diseases 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000012767 functional filler Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- 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
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
- C04B33/132—Waste materials; Refuse; Residues
- C04B33/1324—Recycled material, e.g. tile dust, stone waste, spent refractory material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/48—Removing dust other than cleaning filters, e.g. by using collecting trays
-
- 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
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
-
- 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
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
-
- 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
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/009—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone characterised by the material treated
-
- 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
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a preparation method of a coal gangue ceramsite hollow brick, which comprises the following steps: a certain amount of ceramsite raw materials are taken, then the ceramsite raw materials are added into a crusher, the ceramsite raw materials are crushed into irregular shapes, the viscosity of the ceramsite is enhanced, flue gas generated when the ceramsite raw materials are crushed is purified by an air filter, ceramsite dust in the flue gas is recovered, and the dust is added into crushed ceramsite materials which are crushed.
Description
Technical Field
The invention relates to the technical field of preparation of coal gangue ceramsite hollow bricks, in particular to a preparation method of a coal gangue ceramsite hollow brick.
Background
The hollow brick is a common wall main material in the building industry, and the gangue ceramsite hollow brick has the advantages of light weight, high strength, good heat preservation, sound insulation and noise reduction performance, environmental protection and no pollution, and is an ideal filling material for a frame structure building;
for example, the chinese granted patent with publication No. CN112341242A (a method for preparing high-strength coal gangue fired hollow brick): the method comprises the following steps: (1) preparing a functional filler; (2) weighing raw materials; (3) aging; (4) preparing a green brick; and (5) preparing a finished product. The technical scheme provides a preparation method of the high-strength coal gangue sintered hollow brick, and the raw materials and the processing technology are improved, so that the compressive strength of the hollow brick is effectively improved, the quality of the hollow brick is improved, and the application range of the hollow brick is widened;
although the compressive strength of the hollow brick is effectively improved, the quality of the hollow brick is improved and the application range of the hollow brick is widened by improving the raw materials and the processing technology in the prior art, the technical scheme has the advantages that when the hollow brick cracks, the strength of the hollow brick is reduced and the safety problem is easily caused.
Disclosure of Invention
The invention aims to provide a method for preparing a coal gangue ceramsite hollow brick, which aims to solve the problem that the rivets in the background art are not accurately installed into workpieces and the stable operation is influenced because some dust impurities are often attached to the outer parts of the rivets.
In order to achieve the purpose, the invention provides the following technical scheme: a method for preparing a coal gangue ceramsite hollow brick comprises the following steps:
the method comprises the following steps: taking a certain amount of ceramsite raw material, adding the ceramsite raw material into a crusher, crushing the ceramsite raw material into an irregular shape, enhancing the viscosity of the ceramsite, purifying flue gas generated when the ceramsite raw material is crushed by using an air filter, recovering ceramsite dust in the flue gas, and adding the dust into crushed ceramsite crushed materials;
step two: taking a certain amount of coal gangue raw material, adding the coal gangue raw material into a crusher, crushing the coal gangue raw material into an irregular shape, enhancing the viscosity of the coal gangue, purifying flue gas generated when the coal gangue raw material is crushed by using an air filter, recovering coal gangue dust in the flue gas, and adding the dust into crushed coal gangue;
step three: taking a certain amount of cyanobacteria spore powder (the cyanobacteria spore powder is in a resting spore state);
step four: taking a certain amount of nutrient substance powder, dried ceramsite crushed aggregates and dried coal gangue crushed aggregates;
step five: stirring and mixing the cyanobacteria spore powder, the nutrient substance powder, the ceramsite crushed aggregate dry material and the gangue crushed aggregate dry material by using a stirrer, wherein the whole mixing process is in a vacuum state, (the cyanobacteria spore powder keeps a resting spore state), so as to obtain biological mixed powder;
step six: mixing the prepared ceramsite crushed aggregates and the prepared coal gangue crushed aggregates in a stirrer, and adding a certain amount of adhesive, modifier and water into the mixture to obtain a mixed wet material;
step seven: putting the mixed wet material into a die-casting forming machine for preliminary die-casting forming to form a green brick;
step eight: putting the green bricks into a dryer for drying to obtain dried green bricks;
step nine: putting the dried green bricks into a brick making furnace, and firing at a high temperature to obtain formed bricks;
step ten: putting the biological mixed powder into a plurality of holes in the formed brick;
step eleven: sealing two ends of the hole in the formed brick by using the mixed wet material to seal the biological mixed powder in the formed brick to obtain a semi-finished brick;
step twelve: and (4) placing the semi-finished brick in a drying cellar for low-temperature drying until the mixed wet materials at two ends of the inner hole of the semi-finished brick are fixed and shaped.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the flue gas generated when the ceramsite raw material is crushed is purified by using the air filter, the ceramsite dust in the flue gas is recovered, and the dust is added into the crushed ceramsite crushed material to recover the raw material, so that the environment pollution caused by the flue gas generated in the production is avoided, the available resources are recovered, the waste of resources is avoided, the production cost is reduced, the production energy is increased or more benefits are obtained, the sanitation and cleanness of the environment are ensured, the infection of pneumoconiosis by workers is avoided, and the life health of the workers is powerfully ensured;
2. according to the invention, when the product brick is cracked, external water and air enter the product brick, so that the biological mixed powder in the product brick flows to the gap under the action of gravity to fill the gap, cyanobacteria spore powder in the biological mixed powder contacts with the air and the water, cyanobacteria absorbs carbon dioxide from the air to form calcium carbonate, and the calcium carbonate is a main component of cement, so that the calcium carbonate can be used for condensing the dry ceramsite crushed aggregates and the dry gangue crushed aggregates, so that the crack can be repaired, the rotation strength of the product cannot be reduced, and the safety problem is avoided.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments.
The embodiment provided by the invention comprises the following steps: a method for preparing a coal gangue ceramsite hollow brick comprises the following steps;
the method comprises the following steps: taking a certain amount of ceramsite raw material, adding the ceramsite raw material into a crusher, crushing the ceramsite raw material into an irregular shape, enhancing the viscosity of ceramsite, purifying flue gas generated when the ceramsite raw material is crushed by using an air filter, simultaneously recovering ceramsite dust in the flue gas, adding the dust into crushed ceramsite crushed material, purifying the flue gas generated when the ceramsite raw material is crushed by using the air filter, simultaneously recovering the ceramsite dust in the flue gas, adding the dust into the crushed ceramsite crushed material to recover the raw material, not only avoiding the environment pollution caused by the flue gas generated in the production, but also recovering available resources, avoiding the waste of resources, reducing the production cost, ensuring the production energy or more profit, simultaneously ensuring the sanitation and cleanness of the environment, avoiding the infection of workers with pneumoconiosis and powerfully ensuring the life health of the workers;
step two: taking a certain amount of coal gangue raw material, adding the coal gangue raw material into a crusher, crushing the coal gangue raw material into an irregular shape, enhancing the viscosity of the coal gangue, purifying flue gas generated when the coal gangue raw material is crushed by using an air filter, recovering coal gangue dust in the flue gas, and adding the dust into crushed coal gangue;
step three: taking a certain amount of cyanobacteria spore powder (the cyanobacteria spore powder is in a resting spore state);
step four: taking a certain amount of nutrient substance powder, dried ceramsite crushed aggregates and dried coal gangue crushed aggregates;
step five: stirring and mixing the cyanobacteria spore powder, the nutrient substance powder, the ceramsite crushed aggregate dry material and the gangue crushed aggregate dry material by using a stirrer, wherein the whole mixing process is in a vacuum state, (the cyanobacteria spore powder keeps a resting spore state), so as to obtain biological mixed powder;
step six: mixing the prepared ceramsite crushed aggregates and the prepared coal gangue crushed aggregates in a stirrer, and adding a certain amount of adhesive, modifier and water into the mixture to obtain a mixed wet material;
step seven: putting the mixed wet material into a die-casting forming machine for preliminary die-casting forming to form a green brick;
step eight: putting the green bricks into a dryer for drying to obtain dried green bricks;
step nine: putting the dried green bricks into a brick making furnace, and firing at high temperature to obtain formed bricks;
step ten: putting the biological mixed powder into a plurality of holes in the formed brick;
step eleven: sealing two ends of a hole in a forming brick by using a wet mixed material to seal biological mixed powder in the forming brick to obtain a semi-finished brick, wherein when a crack is generated in the product brick, outside water and air enter the product brick to enable the biological mixed powder in the product brick to flow to the gap under the action of gravity to fill the gap, blue algae bacteria spore powder in the biological mixed powder is contacted with the air and the water, and the blue algae bacteria absorb carbon dioxide from the air to form calcium carbonate which is a main component of cement, so that the calcium carbonate coagulates ceramsite crushed dry materials and gangue crushed dry materials to repair the crack, the rotating strength of the product cannot be reduced, and the safety problem is avoided;
step twelve: and (3) placing the semi-finished brick blocks in a drying kiln for low-temperature drying until the mixed wet materials at two ends of the inner holes of the semi-finished brick blocks are fixed and shaped, so as to obtain the product brick.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Claims (1)
1. A method for preparing a coal gangue ceramsite hollow brick is characterized by comprising the following steps:
the method comprises the following steps: taking a certain amount of ceramsite raw material, adding the ceramsite raw material into a crusher, crushing the ceramsite raw material into an irregular shape, enhancing the viscosity of the ceramsite, purifying flue gas generated when the ceramsite raw material is crushed by using an air filter, recovering ceramsite dust in the flue gas, and adding the dust into crushed ceramsite crushed materials;
step two: taking a certain amount of coal gangue raw material, adding the coal gangue raw material into a crusher, crushing the coal gangue raw material into an irregular shape, enhancing the viscosity of coal gangue, purifying flue gas generated during crushing the coal gangue raw material by using an air filter, recovering coal gangue dust in the flue gas, and adding the dust into crushed coal gangue;
step three: taking a certain amount of cyanobacteria spore powder (the cyanobacteria spore powder is in a resting spore state);
step four: taking a certain amount of nutrient substance powder, dried ceramsite crushed aggregates and dried coal gangue crushed aggregates;
step five: stirring and mixing the blue algae bacteria spore powder, the nutrient substance powder, the dried ceramsite aggregate and the dried gangue aggregate by using a stirrer, wherein the whole mixing process is in a vacuum state, (the blue algae bacteria spore powder keeps a resting spore state), so as to obtain biological mixed powder;
step six: mixing the prepared ceramsite crushed aggregates and gangue crushed aggregates in a stirrer, and adding a certain amount of adhesive, modifier and water into the mixture to obtain a mixed wet material;
step seven: putting the mixed wet material into a die-casting forming machine for preliminary die-casting forming to form a green brick;
step eight: putting the green bricks into a dryer for drying to obtain dried green bricks;
step nine: putting the dried green bricks into a brick making furnace, and firing at high temperature to obtain formed bricks;
step ten: putting the biological mixed powder into a plurality of holes in the formed brick;
step eleven: sealing two ends of the hole in the formed brick by using the mixed wet material to seal the biological mixed powder in the formed brick to obtain a semi-finished brick;
step twelve: and (4) placing the semi-finished brick in a drying cellar for low-temperature drying until the mixed wet materials at two ends of the inner hole of the semi-finished brick are fixed and shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211085096.7A CN115448696A (en) | 2022-09-06 | 2022-09-06 | Preparation method of coal gangue ceramsite hollow brick |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211085096.7A CN115448696A (en) | 2022-09-06 | 2022-09-06 | Preparation method of coal gangue ceramsite hollow brick |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115448696A true CN115448696A (en) | 2022-12-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211085096.7A Pending CN115448696A (en) | 2022-09-06 | 2022-09-06 | Preparation method of coal gangue ceramsite hollow brick |
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| Country | Link |
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| CN (1) | CN115448696A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM483982U (en) * | 2014-04-25 | 2014-08-11 | Univ Chien Hsin Sci & Tech | Self-healing concrete structure |
| WO2015007011A1 (en) * | 2013-07-18 | 2015-01-22 | 东南大学 | Preparation method of self-repairing cement-based material |
| CN106278374A (en) * | 2016-08-16 | 2017-01-04 | 明光市凯旋新型建材厂 | A kind of ceramsite hollow bricks and preparation method thereof |
| CN106588089A (en) * | 2016-11-23 | 2017-04-26 | 江苏淮安万达建材有限公司 | Production technology and application method of light gangue porous insulating brick |
| CN109516768A (en) * | 2018-11-13 | 2019-03-26 | 四川锐源能环科技有限公司 | A kind of production method of sintered type water-permeable brick |
| CN110451876A (en) * | 2019-07-30 | 2019-11-15 | 西安建筑科技大学 | A kind of discarded brick of building waste is the self-repair concrete and preparation method thereof of carrier |
| CN110451877A (en) * | 2019-07-30 | 2019-11-15 | 西安建筑科技大学 | A kind of building waste concrete-brick mixing self-repair concrete and preparation method thereof |
| CN114164202A (en) * | 2021-12-10 | 2022-03-11 | 青岛理工大学 | Multifunctional carrier with microbial activity and preparation method thereof |
-
2022
- 2022-09-06 CN CN202211085096.7A patent/CN115448696A/en active Pending
Patent Citations (8)
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| WO2015007011A1 (en) * | 2013-07-18 | 2015-01-22 | 东南大学 | Preparation method of self-repairing cement-based material |
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| CN106278374A (en) * | 2016-08-16 | 2017-01-04 | 明光市凯旋新型建材厂 | A kind of ceramsite hollow bricks and preparation method thereof |
| CN106588089A (en) * | 2016-11-23 | 2017-04-26 | 江苏淮安万达建材有限公司 | Production technology and application method of light gangue porous insulating brick |
| CN109516768A (en) * | 2018-11-13 | 2019-03-26 | 四川锐源能环科技有限公司 | A kind of production method of sintered type water-permeable brick |
| CN110451876A (en) * | 2019-07-30 | 2019-11-15 | 西安建筑科技大学 | A kind of discarded brick of building waste is the self-repair concrete and preparation method thereof of carrier |
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Non-Patent Citations (1)
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Application publication date: 20221209 |