CN103575098A - Annular self-igniting groove for shale brick production and method for producing shale bricks - Google Patents

Annular self-igniting groove for shale brick production and method for producing shale bricks Download PDF

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Publication number
CN103575098A
CN103575098A CN201310474622.3A CN201310474622A CN103575098A CN 103575098 A CN103575098 A CN 103575098A CN 201310474622 A CN201310474622 A CN 201310474622A CN 103575098 A CN103575098 A CN 103575098A
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annular
adobe
cannelure
brick
spontaneous combustion
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CN103575098B (en
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张岘宾
梁国柱
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Shache County prosperous brick factory
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张岘宾
梁国柱
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00Technologies relating to the processing of minerals
    • Y02P40/60Production of ceramic materials or ceramic elements, e.g. substitution of clay or shale by alternative raw materials, e.g. ashes

Abstract

The invention discloses an annular self-igniting groove for shale brick production and a method for producing shale bricks. By optimizing shale calcination and vitrification conditions and using 65 parts of shale, 15 parts of biomass wastes and 20 parts of coal gangue as raw materials, a calcination-free annular self-igniting groove body structure which replaces a traditional brick kiln is used, the structure is of the shape of an elliptical underground annular groove body on the whole, an annular groove outer wall and an annular groove inner wall on the two sides of the annular groove and the bottom part of the annular groove are built by using bricks, the top part of the annular groove body and the ground are on the same level, a main smoke exhaust passage is arranged in the middle of the annular groove body, a certain distance is reserved between the top part of the main smoke exhaust passage and the ground, chimneys are arranged at intervals in the main smoke exhaust passage, the chimneys straightly run to the ground, smoke exhaust passages are arranged at intervals in the annular groove body, the smoke exhaust passages are connected to the main smoke exhaust passage, the bottom part of the main smoke exhaust passage and the bottoms of the smoke exhaust passages are at the same level and the chimneys and the smoke exhaust passages are mutually staggered, so that the goals of energy saving, environmental friendliness and labor saving are achieved and the application value is great.

Description

A kind of annular spontaneous combustion groove of producing for shale brick and the method for producing shale brick thereof
Invention field
The invention belongs to the technical field of preparing construction material equipment, further, the invention provides a kind of light-weight environment-friendly type shale brick processing technique field, particularly, the present invention relates to a kind of technical field of equipping and preparing shale brick of producing for shale brick.
Background technology
Brick is one of material the most frequently used in building industry, but along with the increase of brick consumption, people are more and more higher to low power consuming high performance building materials demand, and shale brick, as the substitute products of clay brick, has irreplaceable effect in the development of future architecture industry.Meanwhile, in shale brick manufacturing industry, improving product strength and resource utilization, reduce production costs, realize energy-conserving and environment-protective, is also the focus that people study and pay close attention to.Need the technology of producing equipment and preparing shale brick from shale brick badly and start with, improved prior art, make it to manufacture out the shale brick that has more quality, reached energy-conserving and environment-protective, simple to operate, the effect that saves labor.
Summary of the invention
For shale brick in prior art, produce the state of the art of equipping and preparing the technology of shale brick, a kind of method that the invention provides annular spontaneous combustion groove of producing for shale brick and produce shale brick, by optimizing shale roasting vitrification condition, transform existing brickkiln structure, control the condition of roasting process, improve shale brick roasting vitrification effect, the quality of enhancing product performance, reached energy-conserving and environment-protective, simple to operate, save labor, obtain significant technique effect, there is extensive and applicable value.
The main technical schemes that the present invention adopts:
By Optimization adobe material and adjustment blank-making technology, further optimize shale roasting vitrification condition, a kind of common brickkiln and baking-free that substitute is set, reach energy-conserving and environment-protective, simple to operate, the annular spontaneous combustion groove that saves labor, optimize shale roasting vitrification condition, transform existing brickkiln structure, control the condition of roasting process, improve shale brick roasting vitrification effect, the quality of enhancing product performance, reached energy-conserving and environment-protective, simple to operate, save labor, obtain significant technique effect, there is extensive and applicable value.
The present invention specifically provides a kind of light-weight environment-friendly type shale brick processing method, and processing method concrete steps are as follows:
(1) Optimization adobe material and adjustment blank-making technology, optimize shale roasting vitrification condition: raw material classification is pulverized, 12 mesh sieves sieve, by powder volume ratio: 15 parts of living beings dead meals, 20 parts of gangues such as 65 parts, shale, cotton stalk, sawdust, wood chips, select the raw material pulverizing and sieving to mix these and send into mixer, and water filling stirs into half wet feed, water requirement is 50-60% by weight percentage, should not be too wet or too dry, generally to grab a material with hand, firmly clutch can be agglomerating but anhydrous overflowing be advisable; Half wet feed is sent into porous brickmaking machine and make after adobe, be transported to airing field piling and naturally dry, dried brick is transported to adobe calciner.
(2) the adobe calciner adopting is a kind of annular spontaneous combustion groove structure, substitute tradition and use brickkiln and baking-free, annular spontaneous combustion groove structure is: the whole ovalize underground circular of annular spontaneous combustion trough body structure groove body type, the cannelure both sides cannelure exterior wall of annular trough body and cannelure interior wall and bottom become with brick, cell body top and ground maintain an equal level, the outside surrounding of annular trough body is open smooth, facilitate adobe and finished bricks to transport, smoke evacuation main channel is set in the middle of annular trough body, also claim flue collector, the reserved certain distance in smoke evacuation top, main channel and ground, smoke evacuation main channel is interrupted at a certain distance chimney is set, chimney leads directly to ground, cannelure arranges discharge flue at a certain distance, discharge flue also claims ventilating opening and is connected to smoke evacuation main channel, bottom, smoke evacuation main channel and the same horizontal level in place, discharge flue bottom, chimney and discharge flue stagger mutually, thereby must guard against the corresponding hallway that causes of straight line ventilates.
(3) determine the condition of optimal control roasting process, improve shale brick roasting vitrification effect.Concrete grammar is as follows: edge-on piling while packing dried brick into annular spontaneous combustion groove that step (2) provides, 1.8 meters of height of embankments, top seals with 20 cm thick wet soil compactings after keeping flat one deck brick again, 1.5 centimetres, same layer adobe interval, lower one deck adobe and last layer adobe should form 30 degree left and right angles, must guard against parallel buttress code; Roasting for the first time needs combustion-supporting, when filling 1/4th annular spontaneous combustion grooves, adobe can carry out roasting first, in one good of adobe of cannelure piling, build wide 0.6 meter high 1 meter combustion-supporting chamber, other position sealings, the combustibles materials such as firewood, branch are put into combustion-supporting chamber to be lighted, sealing after adobe is ignited, during finished bricks kiln discharge, combustion-supporting chamber is dismountable; Adobe ignite after if do not occurred flame-out stopping production situation, no matter the time how long all can continuous self-combustion roasting, only needs to complete every day adobe and fills 1/4th annular spontaneous combustion groove workload, continuously piling adobes in annular spontaneous combustion groove; Spontaneous combustion roasting needs 10-12 hour, should keep more than 36 hours after completing, make spontaneous combustion after temperature be slowly down to 350-400 ℃, prevent distortion, cracking and the strength decreased that temperature sharp fall produces and affect product quality; Spontaneous combustion roasting and slow cooling, after 48 hours, according to brick output progress, are progressively opened top seal layer, and temperature is down to and when people can contact, is got final product brick output.
In the present invention, use self-control to substitute preferential employing of annular spontaneous combustion groove structure that tradition is used brickkiln and baking-free: the whole ovalize underground circular of annular spontaneous combustion trough body structure groove body type, cannelure both sides cannelure exterior wall and the cannelure interior wall of annular trough body are high 2 meters, 2 meters of cannelure bottom inner widths, 30 meters of annular flute length, the brick one-tenth of cannelure, 0.3 meter of the wall thickness of groove exterior wall, cell body top and ground maintain an equal level, the outside surrounding of annular trough body is open smooth, facilitate adobe and finished bricks to transport, long 25 meters of the flue collector arranging in the middle of annular trough body, 0.3 meter of inner width, high 0.5 meter, 0.4 meter, flue collector distance from top ground, smoke evacuation main channel arranges chimney every 3 meters of interruptions, chimney leads directly to ground, 0.3 * 0.3 meter of the internal diameter of chimney, apart from 0.6 meter of ground level, cannelure arranges discharge flue every 1.5 meters of, discharge flue also claims 0.3 * 0.3 meter of ventilating opening internal diameter, and be connected to smoke evacuation main channel, bottom, smoke evacuation main channel and the same horizontal level in place, discharge flue bottom, chimney and discharge flue stagger mutually, thereby must guard against the corresponding hallway that causes of straight line ventilates.
By implementing the concrete summary of the invention of the present invention, can reach following effect:
(1) adopt and provided by the inventionly a kind ofly for shale brick, produce equipment and prepare shale brick, base substrate porous has increased and air contact-making surface, use self-control to substitute the annular spontaneous combustion groove that tradition is used brickkiln and baking-free, more fully more complete in spontaneous combustion roasting, avoid outer red interior black half-cooked finished bricks.Adobe batching is containing living beings and gangues such as cotton stalks, in spontaneous combustion roasting process, temperature can reach 900 ℃~1000 ℃ and keep 10~12 hours, substantially met shale roasting vitrification condition, in base substrate, after carbon burning, produce a large amount of trickle apertures, reached lightweight, insulation, sound insulation, the high feature of intensity; Draw materials simple and convenient, biological material adopts local a large amount of discarded cotton stalk, sawdust, wood chip, branch, and gangue adopts colliery waste residue, has realized effective utilization of waste resource, and need not fire, without building brickkiln, overall process is with low cost, simple to operate, save labor, energy-conserving and environment-protective.
(2) by adopting the present invention to adopt, substitute the annular spontaneous combustion groove that tradition is used brickkiln and baking-free, open wide above, groove side is moved in adobe to, directly with telpher, fall in groove, a lot of operations and workman have been reduced, during brick output, directly with telpher, hang out, reduced picture and just now in that way, with rickshaw, drawn in the situation of pulling out.Dress base and brick output are all directly sent into from above or take out, / 4th spontaneous combustions in elliptical slot, / 4th positions are cooling, / 4th position brick outputs, / 4th position dress adobes, cooling after spontaneous combustion, cooled brick output, go out the dress adobe after dress, continuation spontaneous combustion after dress adobe, just formed a cyclic program of going round and beginning again, in the annular spontaneous combustion trough body structure of producing for shale brick providing, after the people of brick output, be exactly the people who fills adobe, before go out, after dress, periodic duty, thereby energy-conserving and environment-protective have been reached, simple to operate, save labor, obtain significant technique effect, there is extensive and applicable value.
Accompanying drawing explanation:
Fig. 1 is shown as annular spontaneous combustion groove structural representation provided by the invention.
Fig. 2 is shown as annular spontaneous combustion groove A-A provided by the invention to cutaway view.
In Fig. 1-2,1-cannelure exterior wall; 2-cannelure interior wall; 3-discharge flue; 4-cannelure; The 5-main channel (flue collector) of discharging fume; 6-chimney; 7-soil padding; △-be ground lower plane; -be ground plane.
The specific embodiment
Below, for embodiment, the present invention is described, still, the present invention is not limited to following embodiment.In addition, in following explanation, if no special instructions, % all refers to m/m mass percent.
All reagent of selecting in the present invention and instrument are all well known selecting, but do not limit enforcement of the present invention, and other reagent more well known in the art and equipment are all applicable to the enforcement of the following embodiment of the present invention.
Embodiment mono-: the preparation of light-weight environment-friendly type shale brick
Light-weight environment-friendly type shale brick processing method concrete steps are as follows:
(1) Optimization adobe material and adjustment blank-making technology, optimize shale roasting vitrification condition: raw material classification is pulverized, 12 mesh sieves sieve, by powder volume ratio: 15 parts of living beings dead meals, 20 parts of gangues such as 65 parts, shale, cotton stalk, sawdust, wood chips, select the raw material pulverizing and sieving to mix these and send into mixer, and water filling stirs into half wet feed, water requirement is 50-60% by weight percentage, should not be too wet or too dry, generally to grab a material with hand, firmly clutch can be agglomerating but anhydrous overflowing be advisable; Half wet feed is sent into porous brickmaking machine and make after adobe, be transported to airing field piling and naturally dry, dried brick is transported to adobe calciner.
(2) the adobe calciner adopting is a kind of annular spontaneous combustion groove structure, substitute tradition and use brickkiln and baking-free, annular spontaneous combustion groove structure is: the cannelure of annular trough body (4) both sides cannelure exterior walls (1) and cannelure interior wall (2) and bottom become with brick, cell body top and ground maintain an equal level, the outside surrounding of annular trough body is open smooth, facilitate adobe and finished bricks to transport, smoke evacuation main channel (5) is set in the middle of annular trough body, also claim flue collector (5), the reserved certain distance in smoke evacuation (5) top, main channel and ground, the main channel (5) of discharging fume is interrupted at a certain distance chimney (6) is set, and chimney (6) leads directly to ground cannelure (4) arranges discharge flue (3) at a certain distance, discharge flue (3) also claims ventilating opening and is connected to smoke evacuation main channel (5), bottom, smoke evacuation main channel (5) and the same horizontal level in place, discharge flue (3) bottom, chimney (6) staggers mutually with discharge flue (3), thereby must guard against the corresponding hallway that causes of straight line, ventilates.
(3) determine the condition of optimal control roasting process, improve shale brick roasting vitrification effect.Concrete grammar is as follows: edge-on piling while packing dried brick into annular spontaneous combustion groove that step (2) provides, 1.8 meters of height of embankments, top seals with 20 cm thick wet soil compactings after keeping flat one deck brick again, 1.5 centimetres, same layer adobe interval, lower one deck adobe and last layer adobe should form 30 degree left and right angles, must guard against parallel buttress code; Roasting for the first time needs combustion-supporting, when filling 1/4th annular spontaneous combustion grooves, adobe can carry out roasting first, in one good of adobe of cannelure piling, build wide 0.6 meter high 1 meter combustion-supporting chamber, other position sealings, the combustibles materials such as firewood, branch are put into combustion-supporting chamber to be lighted, sealing after adobe is ignited, during finished bricks kiln discharge, combustion-supporting chamber is dismountable; Adobe ignite after if do not occurred flame-out stopping production situation, no matter the time how long all can continuous self-combustion roasting, only needs to complete every day adobe and fills 1/4th annular spontaneous combustion groove workload, continuously piling adobes in annular spontaneous combustion groove; Spontaneous combustion roasting needs 10-12 hour, should keep more than 36 hours after completing, and makes to be slowly down to 350-400 ℃ from temperature then, prevents distortion, cracking and the strength decreased that temperature sharp fall produces and affects product quality; Spontaneous combustion roasting and slow cooling, after 48 hours, according to brick output progress, are progressively opened top seal layer, and temperature is down to and when people can contact, is got final product brick output.
Embodiment bis-: Optimization adobe material and adjustment blank-making technology
Preparation adobe material of the present invention and adjustment blank-making technology, its method is: raw material classification is pulverized, 12 mesh sieves sieve, 15 cubes of living beings dead meals, 20 cubes of the gangues such as 65 cubes, shale, cotton stalk, sawdust, wood chip, selects the raw material pulverizing and sieving to mix these and send into mixer, and water filling stirs into half wet feed, the about 50-55 of water requirement cube left and right, should not be too wet or too dry, generally to grab a material with hand, firmly clutch can be agglomerating but anhydrous overflowing be advisable; Half wet feed is sent into porous brickmaking machine and make after adobe, be transported to airing field piling and naturally dry, dried brick is transported to adobe calciner.
Embodiment tri-: the setting of the annular spontaneous combustion groove of baking-free
In the present invention, use self-control to substitute preferential employing of annular spontaneous combustion groove structure that tradition is used brickkiln and baking-free: the whole ovalize underground circular of annular spontaneous combustion trough body structure groove body type, the cannelure of annular trough body (4) both sides cannelure exterior walls (1) and cannelure interior wall (2) are high 2 meters, 2 meters of cannelure (4) bottom inner widths, long 30 meters of cannelure (4), cannelure (4) is used brick one-tenth, 0.3 meter of the wall thickness of groove exterior wall (1), cell body top and ground maintain an equal level, the outside surrounding of annular trough body is open smooth, facilitates adobe and finished bricks to transport, long 25 meters of the flue collector (5) arranging in the middle of annular trough body, and 0.3 meter of inner width, high 0.5 meter, flue collector (5) distance from top ground 0.4 meter, smoke evacuation main channel (5) arranges chimney (6) every 3 meters of interruptions, and chimney (6) leads directly to ground 0.3 * 0.3 meter of the internal diameter of chimney (6), apart from ground 0.6 meter of height, cannelure (4) arranges discharge flue (3) every 1.5 meters of, discharge flue (3) also claims 0.3 * 0.3 meter of ventilating opening internal diameter, and be connected to smoke evacuation main channel (5), bottom, smoke evacuation main channel (5) and the same horizontal level in place, discharge flue (3) bottom, chimney (6) staggers mutually with discharge flue (3), thereby must guard against the corresponding hallway that causes of straight line, ventilates.
Embodiment tetra-: the optimal control of dried brick roasting process
Optimal control roasting process of the present invention, the concrete method adopting is as follows:
(1) edge-on piling when adobe packs annular spontaneous combustion groove into, 1.8 meters of height of embankments, top seals with 20 cm thick wet soil compactings after keeping flat one deck brick again, 1.5 centimetres, same layer adobe interval, lower one deck adobe and last layer adobe should form 30 degree left and right angles, must guard against parallel buttress code.
(2) roasting for the first time need to be combustion-supporting, when 1/4th annular spontaneous combustion grooves is filled in adobe, can carry out roasting first.That is: in one good of adobe of cannelure piling, build wide 0.6 meter high 1 meter combustion-supporting chamber, other position sealings, put into combustion-supporting chamber by combustibles materials such as firewood, branches and light, sealing after adobe is ignited, and during finished bricks kiln discharge, combustion-supporting chamber is dismountable.
(3) adobe ignite after if do not occurred flame-out stopping production situation, no matter the time how long all can continuous self-combustion roasting, only needs to complete every day adobe and fills 1/4th annular spontaneous combustion groove workload, continuously piling adobes in annular spontaneous combustion groove.
(4) spontaneous combustion roasting needs 10-12 hour, should keep more than 36 hours after completing, and makes to be slowly down to 350-400 ℃ from temperature then, prevents distortion, cracking and the strength decreased that temperature sharp fall produces and affects product quality.
(5) spontaneous combustion roasting and slow cooling, after 48 hours, according to brick output progress, are progressively opened top seal layer, and temperature is down to and when people can contact, is got final product brick output.
The annular spontaneous combustion groove of producing for shale brick providing by above-described embodiment and the method for producing shale brick thereof, by optimizing shale roasting vitrification condition, use and substitute the annular spontaneous combustion groove that tradition is used brickkiln and baking-free, control the condition of roasting process, adobe batching is containing living beings and gangues such as cotton stalks, in spontaneous combustion roasting process, temperature can reach 900 ℃~1000 ℃ and keep 10~12 hours, substantially met shale roasting vitrification condition, in base substrate, after carbon burning, produce a large amount of trickle apertures, reached lightweight, insulation, sound insulation, the high feature of intensity; Draw materials simple and convenient, biological material adopts local a large amount of discarded cotton stalk, sawdust, wood chip, branch, and gangue adopts colliery waste residue, realize effective utilization of waste resource, and need not fire, improved shale brick roasting vitrification effect, improved properties of product quality, without building brickkiln, overall process is with low cost, simple to operate, save labor, energy-conserving and environment-protective, obtain significant technique effect, have extensive and applicable value.
The alternative tradition simultaneously adopting is used the annular spontaneous combustion groove of brickkiln and baking-free, open wide above, groove side is moved in adobe to, directly with telpher, fall in groove, a lot of operations and workman have been reduced, during brick output, directly with telpher, hang out, reduced picture and just now in that way, with rickshaw, drawn in the situation of pulling out.Dress base and brick output are all directly sent into from above or take out, / 4th spontaneous combustions in elliptical slot, 1/4th positions are cooling, 1/4th position brick outputs, 1/4th positions dress adobes, cooling, cooled brick output after spontaneous combustion, go out the dress adobe after dress, continuation spontaneous combustion after dress adobe, just formed a cyclic program of going round and beginning again, thereby reached energy-conserving and environment-protective, simple to operate, save labor, obtain significant technique effect, there is extensive and applicable value.

Claims (3)

1. an adobe calciner of producing for shale brick, this device is the annular spontaneous combustion trough body structure that a kind of alternative tradition is used brickkiln and baking-free, it is characterized in that, the described whole ovalize underground circular of annular spontaneous combustion trough body structure groove body type, the cannelure both sides cannelure exterior wall of annular trough body and cannelure interior wall and bottom become with brick, cell body top and ground maintain an equal level, smoke evacuation main channel is set in the middle of annular trough body, the reserved certain distance in smoke evacuation top, main channel and ground, smoke evacuation main channel is interrupted at a certain distance chimney is set, chimney leads directly to ground, cannelure arranges discharge flue at a certain distance, discharge flue is connected to smoke evacuation main channel, bottom, smoke evacuation main channel and the same horizontal level in place, discharge flue bottom, chimney and discharge flue stagger mutually.
2. a light-weight environment-friendly type shale brick processing method, is characterized in that, described light-weight environment-friendly type shale brick processing method concrete steps are as follows:
(1) Optimization adobe material and adjustment blank-making technology, optimize shale roasting vitrification condition: raw material classification is pulverized, 12 mesh sieves sieve, by powder volume ratio: 15 parts of living beings dead meals, 20 parts of gangues such as 65 parts, shale, cotton stalk, sawdust, wood chips, select the raw material pulverizing and sieving to mix these and send into mixer, and water filling stirs into half wet feed, water requirement is 50-60% by weight percentage, should not be too wet or too dry, generally to grab a material with hand, firmly clutch can be agglomerating but anhydrous overflowing be advisable; Half wet feed is sent into porous brickmaking machine and make after adobe, be transported to airing field piling and naturally dry, dried brick is transported to adobe calciner;
(2) adopt annular spontaneous combustion groove structure as adobe calciner, it is the device that a kind of alternative tradition is used brickkiln and baking-free, annular spontaneous combustion groove structure is: the whole ovalize underground circular of annular spontaneous combustion trough body structure groove body type, the cannelure both sides cannelure exterior wall of annular trough body and cannelure interior wall and bottom become with brick, cell body top and ground maintain an equal level, the outside surrounding of annular trough body is open smooth, facilitate adobe and finished bricks to transport, smoke evacuation main channel is set in the middle of annular trough body, also claim flue collector, the reserved certain distance in smoke evacuation top, main channel and ground, smoke evacuation main channel is interrupted at a certain distance chimney is set, chimney leads directly to ground, cannelure arranges discharge flue at a certain distance, discharge flue also claims ventilating opening and is connected to smoke evacuation main channel, bottom, smoke evacuation main channel and the same horizontal level in place, discharge flue bottom, chimney and discharge flue stagger mutually, thereby must guard against the corresponding hallway that causes of straight line ventilates,
(3) determine the condition of optimal control roasting process, improve shale brick roasting vitrification effect.Concrete grammar is as follows: edge-on piling while packing dried brick into annular spontaneous combustion groove that step (2) provides, 1.8 meters of height of embankments, top seals with 20 cm thick wet soil compactings after keeping flat one deck brick again, 1.5 centimetres, same layer adobe interval, lower one deck adobe and last layer adobe should form 30 degree left and right angles, must guard against parallel buttress code; Roasting for the first time needs combustion-supporting, when filling 1/4th annular spontaneous combustion grooves, adobe can carry out roasting first, in one good of adobe of cannelure piling, build wide 0.6 meter high 1 meter combustion-supporting chamber, other position sealings, the combustibles materials such as firewood, branch are put into combustion-supporting chamber to be lighted, sealing after adobe is ignited, during finished bricks kiln discharge, combustion-supporting chamber is dismountable; Adobe ignite after if do not occurred flame-out stopping production situation, no matter the time how long all can continuous self-combustion roasting, only needs to complete every day adobe and fills 1/4th annular spontaneous combustion groove workload, continuously piling adobes in annular spontaneous combustion groove; Spontaneous combustion roasting needs 10-12 hour, should keep more than 36 hours after completing, make spontaneous combustion after temperature be slowly down to 350-400 ℃, prevent distortion, cracking and the strength decreased that temperature sharp fall produces and affect product quality; Spontaneous combustion roasting and slow cooling, after 48 hours, according to brick output progress, are progressively opened top seal layer, and temperature is down to and when people can contact, is got final product brick output.
3. the annular spontaneous combustion trough body structure of producing for shale brick as described in claim 1 or 2 any one, it is characterized in that, in described annular spontaneous combustion trough body structure, cannelure both sides cannelure exterior wall and the cannelure interior wall of annular trough body are high 2 meters, 2 meters of cannelure bottom inner widths, 30 meters of annular flute length, the brick one-tenth of cannelure, 0.3 meter of the wall thickness of groove exterior wall, cell body top and ground maintain an equal level, long 25 meters of the flue collector arranging in the middle of annular trough body, 0.3 meter of inner width, high 0.5 meter, 0.4 meter, flue collector distance from top ground, smoke evacuation main channel arranges chimney every 3 meters, chimney leads directly to ground, 0.3 * 0.3 meter of the internal diameter of chimney, apart from 0.6 meter of ground level, cannelure arranges discharge flue every 1.5 meters of, 0.3 * 0.3 meter of discharge flue internal diameter, and be connected to smoke evacuation main channel, bottom, smoke evacuation main channel and the same horizontal level in place, discharge flue bottom, chimney and discharge flue stagger mutually.
CN201310474622.3A 2013-10-12 2013-10-12 A kind of method of annular spontaneous combustion groove for shale brick production and production shale brick thereof Expired - Fee Related CN103575098B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104501589A (en) * 2014-12-19 2015-04-08 宜宾恒旭窑炉科技开发有限公司 Novel rotary kiln
CN106673603A (en) * 2016-12-23 2017-05-17 怀宁县凉亭建材有限责任公司 Method of manufacturing Bayer process red mud shale bricks by using furfural
CN106852352A (en) * 2016-12-31 2017-06-16 朱长江 The processing technology of clay baking sheet and the Sesame seed cake roaster using the clay baking sheet

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CN201637269U (en) * 2009-12-31 2010-11-17 开县鼎盛建材有限公司 Return air energy-saving annular kiln for shale brick production

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CN104501589B (en) * 2014-12-19 2017-03-08 宜宾恒旭窑炉科技开发有限公司 Rotary kiln
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CN106852352A (en) * 2016-12-31 2017-06-16 朱长江 The processing technology of clay baking sheet and the Sesame seed cake roaster using the clay baking sheet

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