CN203534159U - Atmosphere protection black brick tunnel kiln - Google Patents
Atmosphere protection black brick tunnel kiln Download PDFInfo
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- CN203534159U CN203534159U CN201320682514.0U CN201320682514U CN203534159U CN 203534159 U CN203534159 U CN 203534159U CN 201320682514 U CN201320682514 U CN 201320682514U CN 203534159 U CN203534159 U CN 203534159U
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- Y—GENERAL 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
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/10—Reduction of greenhouse gas [GHG] emissions
- Y02P10/143—Reduction of greenhouse gas [GHG] emissions of methane [CH4]
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Abstract
The utility model discloses an atmosphere protection black brick tunnel kiln. The atmosphere protection black brick tunnel kiln comprises a kiln body, wherein the kiln body is divided into a pre-heating region, an aerobic sintering region, a sintering thermal insulation region, a reductive sintering region and a cooling region in sequence; a smoke outlet is formed in the inner wall of the kiln body in the pre-heating region and is communicated with a kiln wall interlayer of the kiln body; the kiln wall interlayer sequentially passes through a smoke exhaust pipeline and a draught fan to be communicated with the outer part of the kiln body; the aerobic sintering region, the sintering thermal insulation region and the reductive sintering region comprise nozzles on the kiln body and air blowing holes at the lower part of the kiln body; the nozzles are communicated with a natural gas header pipe and a wind branch pipe respectively through valves; the air blowing holes are communicated with an under-car pressure balancing draught fan through a kiln body hollow interlayer of the kiln body. The atmosphere protection black brick tunnel kiln is low in pollution, high in energy utilization rate, matured in technology, advanced in equipment, high in automation degree, great in output, high in rate of return on investment, and easy in popularization and application.
Description
Technical field
The utility model brick processing unit (plant) field, more specifically relates to a kind of atmosphere protection blue bricks tunnel cave.
Background technology
Domestic production blue bricks mainly adopts water chestnut kiln at present, and water chestnut kiln energy utilization rate is only 25%-35%, needs again a large amount of coal or timber; Reducing atmosphere conversion and control is unstable, changes too early blank strength on the low side, changes late misalignment large; The amount of drinking water kiln that greatly easily collapses, the little reduction that do not have of amount of drinking water, the slow best reduction period of losing again of drinking water; It is 60-70 ℃ that water chestnut kiln takes on kiln environment temperature, and temperature is high, the interior multipair human injury of dust is large for kiln, moreover all relies on manually, and unit product hand labor intensity is large, and therefore this production technology will be eliminated gradually.
Water chestnut kiln is produced the blue or green brick and tile of ancient architecture and is produced the problem such as exist the cycle grow, to yield poorly, seriously polluted, energy resource consumption is high, product percent of pass is low, production efficiency is low, see the requirement of firer people's experience is high, kiln service life is short.
Existing fire coal is fired the blue or green brick and tile water chestnut of ancient architecture firer skill and is yielded poorly, and every kiln 20,000 bricks of little kiln output need 15 days, and single kiln annual production is generally 300,000 left and right.
Water chestnut kiln is seriously polluted, produces in a large amount of flue gases and dust, particularly reduction process in combustion process, because the burn incompletelys such as coal can produce the flue gas of high concentration, contains a large amount of sulfur dioxide serious to atmosphere pollution in flue gas;
Energy resource consumption is high, and traditional kiln heat-insulating property is poor, and product is fired end, and naturally cooling in kiln, waste heat cannot be recycled, and unit goods energy consumption is up to 1800-2000Kcal/Kg;
Product percent of pass is low, because technical process is completely with master worker's experiential operating, and poor controllability, job efficiency is only 60% left and right; Handling are all manual operation, and production efficiency is low.
Poor working environment, blue bricks loading of kiln, brick output link, require workman to operate in kiln, brick output process especially, kiln temperature is high, and dust is large, flue gas in kiln, large to health injury, long-term work easily causes multiple chronic disease.
Water chestnut klining system take from kiln top to kiln in infiltration mode, make in kiln goods cooling in oxygen-free environment, because water infiltrates along kiln body, kiln structure is corroded serious, not only kiln is low service life, workman passes in and out kiln handling brick and easily causes security incident.
Utility model content
The purpose of this utility model is the problems referred to above that are for prior art existence, and a kind of atmosphere protection blue bricks tunnel cave is provided, and has solved and has polluted the technical problem large, energy utilization rate is low, automaticity is not high, return rate is low.
Above-mentioned purpose of the present utility model is achieved through the following technical solutions:
A kind of atmosphere protection blue bricks tunnel cave, comprise kiln body, kiln body is divided into preheating zone successively, aerobic firing zone, burn till heat preservation zone, reductive firing district and cooling zone, the kiln body inwall of preheating zone is provided with exhaust opening, exhaust opening is communicated with the kiln wall interlayer being arranged on kiln body, kiln wall interlayer is communicated with kiln external body by smoke-exhaust pipeline and blower fan successively, aerobic firing zone, burn till the air outlet that heat preservation zone and reductive firing district include the burner being arranged on kiln body and be arranged on kiln body bottom, burner is in charge of and is communicated with natural gas house steward and wind respectively by valve, air outlet is communicated with car pressure balance blower fan by the kiln body hollow sandwich being arranged on kiln body.
Cooling zone as above comprises anaerobic chilling cooling zone, anaerobic chilling cooling zone comprises nitrogen arm and the heat exchange arm being arranged on kiln body, heat exchange arm one end is communicated with cold wind source, and the heat exchange arm other end is in charge of and is communicated with wind, and nitrogen arm is communicated with source nitrogen.
Cooling zone as above also comprises anaerobic slow cooling cooling zone, anaerobic slow cooling cooling zone comprises the heat exchanger tube being arranged on kiln body, heat exchanger tube one end is in charge of with cold wind source and is communicated with by drum cold wind, and the heat exchanger tube other end is in charge of with wind and is in charge of and is communicated with by hot blast.
Cooling zone as above also comprises aerobic cooling zone, the checkerwork cell that offers cooling exhausting airduct and be communicated with kiln external body on the kiln body of aerobic cooling zone.
The utility model compared with prior art, has the following advantages:
Pollute low, energy utilization rate is high, technical maturity, equipment advanced, automaticity is high, output is large, rate of return on investment is high, be easy to apply.
Accompanying drawing explanation
Fig. 1 is the utility model the general frame;
Fig. 2 is the structural representation of regenerator section of the present utility model;
Fig. 3 is the generalized section of preheating zone;
Fig. 4 is the generalized section of aerobic firing zone;
The nitrogen arm that Fig. 5-1 is anaerobic chilling cooling zone arranges schematic diagram;
The heat exchanger tube that Fig. 5-2 are anaerobic chilling cooling zone arranges schematic diagram;
Fig. 6 is the generalized section of anaerobic slow cooling cooling zone;
The grid that Fig. 7-1 is aerobic cooling zone arranges schematic diagram;
The cooling exhausting airduct that Fig. 7-2 are aerobic cooling zone arranges schematic diagram.
In figure: 1-enters car end Jiao Men; 2-blower fan; 3-preheating zone; 4-aerobic firing zone; 5-burns till heat preservation zone; 6-reductive firing district; 7-anaerobic chilling cooling zone; 8-anaerobic slow cooling cooling zone; 9-aerobic cooling zone; 10-stores body;
301-smoke-exhaust pipeline; 302-kiln wall interlayer; 11-stores car;
401-natural gas house steward; 402-automatic valve; 403-natural gas endless tube; 404-natural gas branch pipe; 405-wind is in charge of; 406-valve; 407-burner; 408-combustion air valve; 409-cellar for storing things body hollow sandwich; 410-car pressure balance blower fan; 411-air outlet;
701-nitrogen header pipe; 702-nitrogen arm; 703-heat exchange house steward; 704-heat exchange arm;
801-hot blast is in charge of; 802-heat exchanger tube; 803-drum cold wind arm valve; 804-drum cold wind is in charge of;
901-checkerwork cell; The cooling exhausting airduct of 902-elbow; The cooling exhausting airduct of 903-.
The specific embodiment
Below in conjunction with accompanying drawing, the technical solution of the utility model is described in further detail.
As shown in Fig. 1~4, a kind of atmosphere protection blue bricks tunnel cave, comprise kiln body 10, kiln body 10 is divided into preheating zone 3 successively, aerobic firing zone 4, burn till heat preservation zone 5, reductive firing district 6 and cooling zone, the kiln body inwall of preheating zone 3 is provided with exhaust opening, exhaust opening is communicated with the kiln wall interlayer 302 being arranged on kiln body, kiln wall interlayer 302 is communicated with kiln body 10 is outside by smoke-exhaust pipeline 301 and blower fan 2 successively, aerobic firing zone 4, burn till heat preservation zone 5 and reductive firing district 6 and include the burner 407 being arranged on kiln body 10 and the air outlet 411 that is arranged on kiln body 10 bottoms, burner 407 is in charge of 405 with natural gas house steward 401 and wind respectively by valve 406 and is communicated with, air outlet 411 is communicated with car pressure balance blower fan 410 by the kiln body hollow sandwich 409 being arranged on kiln body.
As shown in Fig. 5-1~5-2, anaerobic chilling cooling zone 7 comprises nitrogen arm 702 and the heat exchange arm 704 being arranged on kiln body, heat exchange arm 704 one end are communicated with cold wind source, and heat exchange arm 704 other ends are in charge of 405 with wind and are communicated with, and nitrogen arm 702 is communicated with source nitrogen.
As shown in Figure 6, cooling zone also comprises anaerobic slow cooling cooling zone 8, anaerobic slow cooling cooling zone 8 comprises the heat exchanger tube 802 being arranged on kiln body 10, heat exchanger tube 802 one end are in charge of 804 and are communicated with cold wind source by drum cold wind, and heat exchanger tube 802 other ends are in charge of 801 by hot blast and are in charge of 405 with wind and are communicated with.
As shown in Fig. 7-1~7-2, cooling zone also comprises aerobic cooling zone 9, offers the checkerwork cell 901 and the cooling exhausting airduct 903 that are communicated with kiln external body on the kiln body of aerobic cooling zone 9.
As shown in Figure 3, blower fan 2 is connected with kiln wall interlayer 302 by smoke-exhaust pipeline 301, and exhaust opening equidistantly distributes on the inwall of kiln body 10, and exhaust opening is communicated with kiln wall interlayer 302, and it is current in the tunnel space of wanting body 10 and basis to form that kiln car loads goods.
As shown in Figure 4, kiln body forms a tunnel type space with basis, and kiln car loads goods and goes together therein; Burner 407 is equidistant to be arranged on kiln body, burner 407 is connected with natural gas house steward 401 by natural gas branch pipe 404, natural gas endless tube 403, wind is in charge of 405 and is connected with burner 407, car pressure balance blower fan 410 is by UNICOM under cellar for storing things body hollow sandwich 409 and kiln car, and air outlet 411 equidistantly distributes on kiln body hollow sandwich 409.
Natural gas enters burner 407 by natural gas house steward 401, natural gas endless tube 403, natural gas branch pipe 404 successively, combustion air by wind be in charge of 405 enter burner 407 provide burning needed oxygen, air and natural gas enter burning in kiln by burner 407 and produce high-temperature flue gas, under the effect of preheating zone negative pressure, to preheating zone, flow, and goods are heated; Kiln body and kiln car form a tunnel space, prevent that flue gas scatters and disappears outside kiln, and car pressure balance blower fan 410 blasts cold wind to kiln body hollow sandwich 409, and cold wind enters under kiln car by air outlet 411, prevents that high-temperature flue gas from spreading scaling loss kiln car under car.
Burn till heat preservation zone, reductive firing district is identical with aerobic firing zone structure and functional part, therefore another accompanying drawing.Different is different to the amount of the sending into ratio of natural gas, air:
Aerobic firing zone ratio is: natural gas: combustion air=1:11.5 combustion of natural gas is abundant;
Burning till heat preservation zone ratio is: natural gas: combustion air=1:12 combustion of natural gas is abundant;
Reductive firing district ratio is: natural gas: combustion air=1:10.5 combustion of natural gas is insufficient, produces the reducibility gas such as carbon monoxide and hydrogen.
It is that aperture by valve regulates that natural gas and air are sent into the different regulative mode of flow.
As shown in Fig. 5-1~5-2, nitrogen arm 702 connects with nitrogen header pipe 701, and nitrogen arm 702 is built by laying bricks or stones in kiln body short transverse is equidistant, and the tube opening of nitrogen arm 702 leads in kiln; Heat exchange arm 704 is connected with heat exchange house steward 703, and heat exchange arm 704 is arranged on kiln within the walls, one side kiln wall is built into lattice hole pattern by laying bricks or stones in kiln.
Kiln car loads goods and enters anaerobic chilling cooling zone 7 from high temperature firing zone, the heat that goods bring heats by lattice hole heat exchanging arm 704 on wall, cold wind enters heat exchange arm 704 by heat exchange house steward 703, heat on heat exchange arm 704 is taken away its temperature is reduced, reach the effect of goods in cooling kiln, cold wind is heated and becomes hot blast, is in charge of 405 enters burner 407 by wind, and primary air is provided.Nitrogen enters in kiln via nitrogen arm 702 by nitrogen header pipe 701, forms oxygen-free environment in kiln, guarantees that as-reduced goods are not oxidized in cooling process.
As shown in Figure 6, a tunnel space of the common formation of kiln body and basis, kiln car loads goods and goes together therein; Heat exchanger tube 802 is in charge of 804 connections by drum cold wind arm with drum cold wind; Heat exchanger tube is arranged on kiln body inner side.
Kiln car loads goods and enters anaerobic slow cooling cooling zone 8 from anaerobic chilling cooling zone 7, the heat heat exchanger tubulation 802 that goods bring heats, cold wind is in charge of 804 by drum cold wind and is entered heat exchanger tube 802 via drum cold wind arm, heat on heat exchanger tube 802 is taken away its temperature is reduced, reach the effect of goods in cooling kiln, cold wind is heated and becomes hot blast, is in charge of and is entered burner, as secondary combustion-supporting air by wind.
As shown in Fig. 7-1~7-2, kiln body and basis form a tunnel space, and kiln car loads goods and goes together therein, and cooling exhausting airduct 903 is with connecting in kiln; Kiln car loads goods and enters aerobic cooling zone 9 from anaerobic slow cooling cooling zone 8, cooling exhausting airduct 903 is extracted hot gas in kiln out, send into dry kiln dried product, and in kiln, form negative pressure, under the effect of negative pressure, the checkerwork cell 901 of the outer cold wind of kiln by kiln wall and go out car end wicket and enter in kiln, carries out aerobic to goods cooling.Cooled products temperature reduces, and from going out car end wicket, transports kiln, so far completes the whole sintering procedure of goods.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Claims (4)
1. an atmosphere protection blue bricks tunnel cave, comprise kiln body (10), it is characterized in that, kiln body (10) is divided into preheating zone (3) successively, aerobic firing zone (4), burn till heat preservation zone (5), reductive firing district (6) and cooling zone, the kiln body inwall of preheating zone (3) is provided with exhaust opening, exhaust opening is communicated with the kiln wall interlayer (302) being arranged on kiln body, kiln wall interlayer (302) is communicated with kiln body (10) is outside by smoke-exhaust pipeline (301) and blower fan (2) successively, aerobic firing zone (4), burn till the air outlet (411) that heat preservation zone (5) and reductive firing district (6) include the burner (407) being arranged on kiln body (10) and are arranged on kiln body (10) bottom, burner (407) is in charge of (405) with natural gas house steward (401) and wind respectively by valve (406) and is communicated with, air outlet (411) is communicated with car pressure balance blower fan (410) by the kiln body hollow sandwich (409) being arranged on kiln body.
2. a kind of atmosphere protection blue bricks tunnel cave according to claim 1; it is characterized in that; described cooling zone comprises anaerobic chilling cooling zone (7); anaerobic chilling cooling zone (7) comprises nitrogen arm (702) and the heat exchange arm (704) being arranged on kiln body; heat exchange arm (704) one end is communicated with cold wind source; heat exchange arm (704) other end is in charge of (405) and is communicated with wind, nitrogen arm (702) is communicated with source nitrogen.
3. a kind of atmosphere protection blue bricks tunnel cave according to claim 2; it is characterized in that; described cooling zone also comprises anaerobic slow cooling cooling zone (8); anaerobic slow cooling cooling zone (8) comprises the heat exchanger tube (802) being arranged on kiln body (10); heat exchanger tube (802) one end is in charge of (804) and is communicated with cold wind source by drum cold wind, and heat exchanger tube (802) other end is in charge of (801) by hot blast and is in charge of (405) with wind and is communicated with.
4. a kind of atmosphere protection blue bricks tunnel cave according to claim 3; it is characterized in that; described cooling zone also comprises aerobic cooling zone (9), the checkerwork cell (901) that offers cooling exhausting airduct (903) on the kiln body of aerobic cooling zone (9) and be communicated with kiln external body.
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CN201320682514.0U CN203534159U (en) | 2013-10-31 | 2013-10-31 | Atmosphere protection black brick tunnel kiln |
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CN201320682514.0U CN203534159U (en) | 2013-10-31 | 2013-10-31 | Atmosphere protection black brick tunnel kiln |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105202912A (en) * | 2015-10-23 | 2015-12-30 | 青岛铸英特陶科技有限公司 | Gas roller way kiln |
CN107677120A (en) * | 2017-10-31 | 2018-02-09 | 广西南山瓷器有限公司 | Energy-saving environment-friendly ceramic kiln |
CN110260650A (en) * | 2019-06-22 | 2019-09-20 | 河北青国环保科技有限公司 | A kind of environment-friendly type tunnel oven |
CN110296600A (en) * | 2019-08-05 | 2019-10-01 | 陕西恒兴泰建材科技有限公司 | A kind of polychrome is sintered the firing system and process for calcining of permeable earthenware brick |
CN113686142A (en) * | 2021-07-30 | 2021-11-23 | 新疆硅质耐火材料有限公司 | Method for realizing continuous production of antique blue bricks by improving roller kiln |
-
2013
- 2013-10-31 CN CN201320682514.0U patent/CN203534159U/en not_active Expired - Fee Related
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105202912A (en) * | 2015-10-23 | 2015-12-30 | 青岛铸英特陶科技有限公司 | Gas roller way kiln |
CN107677120A (en) * | 2017-10-31 | 2018-02-09 | 广西南山瓷器有限公司 | Energy-saving environment-friendly ceramic kiln |
CN110260650A (en) * | 2019-06-22 | 2019-09-20 | 河北青国环保科技有限公司 | A kind of environment-friendly type tunnel oven |
CN110296600A (en) * | 2019-08-05 | 2019-10-01 | 陕西恒兴泰建材科技有限公司 | A kind of polychrome is sintered the firing system and process for calcining of permeable earthenware brick |
CN110296600B (en) * | 2019-08-05 | 2024-03-01 | 陕西恒兴泰建材科技有限公司 | Firing system and firing method for multicolor sintered permeable ceramic bricks |
CN113686142A (en) * | 2021-07-30 | 2021-11-23 | 新疆硅质耐火材料有限公司 | Method for realizing continuous production of antique blue bricks by improving roller kiln |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140409 Termination date: 20141031 |
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EXPY | Termination of patent right or utility model |