CN204848755U - Belt pyrolysis oven - Google Patents
Belt pyrolysis oven Download PDFInfo
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- CN204848755U CN204848755U CN201520493077.7U CN201520493077U CN204848755U CN 204848755 U CN204848755 U CN 204848755U CN 201520493077 U CN201520493077 U CN 201520493077U CN 204848755 U CN204848755 U CN 204848755U
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Abstract
The utility model discloses a belt pyrolysis oven, belt pyrolysis oven including hierarchical cloth system (I), band oven furnace body (II), heated air circulation system (III), guipure drive conveying system (IV) and the sealed ejection of compact system (V) of aircraft nose. The utility model discloses be used in low temperature rapid pyrolysis, but tar yield da gejin dry distillation more than 85%, high -quality gasification raw materials or blast furnace jetting coal can be regarded as to the semicoke, and product quality is stable. Single line loading and unloading capacity can reach 1, 000, 000 tons / year, can realize the coal processing of scale.
Description
Technical field
The utility model relates to Coal Chemical Industry mechanical field, is specifically related to a kind of belt pyrolysis oven.
Background technology
In the energy composition structure of China, coal occupies main status.But the extensive coalfield of China's discovery is in recent years mainly based on bituminous coal, brown coal.Current, China more than 90% bituminous coal, brown coal are mainly used as generating, Industrial Boiler and domestic fuel and directly burn, and cause a series of serious ecosystem environment pollution problem thus, and have wasted oil, gas and the chemical resource of containing in low-rank coal.
How efficiency utilization bituminous coal, brown coal, alleviate the pollution to environment simultaneously to greatest extent, under Energy resources constantly exhausted and social development state that environmental protection pressure is increasingly serious, are technical problems urgently to be resolved hurrily in coal chemical technology.
In prior art, the pyrolytic process of coal a kind ofly under relatively mild conditions the hydrogen-rich component in coal is extracted liquid fuel as industrial chemicals or high-quality by pyrolysis way.But traditional method for pyrolysis, obtain tar yield low, heavy components content is high, is unfavorable for processing and utilization.The problems such as in prior art, ubiquity efficiency of dust collection is low, the tar rate of recovery is low, wastewater treatment capacity is large, environmental pollution is serious.
Summary of the invention
The purpose of this utility model is the shortcoming overcoming prior art existence, provides a kind of ring efficient belt pyrolysis oven (band oven).
The technical solution of the utility model is as follows.
A kind of belt pyrolysis oven, is characterized in that, described belt pyrolysis oven comprises classification cloth system I, band oven body of heater II, hot air circulating system III, guipure driving delivery system IV and head sealed discharging system V;
Described classification cloth system I comprises: grading oscillating screen 1, classification surge bunker 2 and bed depth regulate flashboard 3;
Described band oven body of heater II is pyrolysis feed pyrolysis process passage, and it has all-metal closure, the cotton felt of liner insulation fibre and refractory materials; Described band oven body of heater II comprise connect successively dryer section 5, pyrolysis section 6,7, waste heat recovery section 8 and eventually cold section 9, air compartment 22;
Described hot air circulating system III comprises calorifier 12 and heating duct;
Described guipure drives delivery system IV to comprise heat-resistant flexible metal mesh belt 17, drive unit 18, turns to carrying roller 4, power carrying roller 21, hydraulic tensioning 19 and deviation correcting device 20; Described guipure drives the driving of delivery system IV to turn to carrying roller 4 that heat-resistant flexible metal mesh belt 17 is moved horizontally in band oven body of heater II, successively through dryer section 5, pyrolysis section 6, waste heat recovery section 7 and cold section 8 eventually;
Described head sealed discharging system V comprises product discharge device 10, is come out of the stove by cooled semicoke, and head sealed discharging system V has sealing function, prevents air from entering band oven body of heater II.
Preferably, described belt pyrolysis oven also comprises automatic control system; Described automatic control system comprises sensor and topworks, controls temperature, pressure, atmosphere, flow and the duty parameter in cycle in stove in real time.
The utility model in use, pyrolysis feed hierarchical classification uniform distribution is on the flexible guipure of heating resisting metal, pyrolysis feed with the guipure moved horizontally successively through dryer section, pyrolysis section, waste heat recovery section, cold section eventually, obtain semicoke, thermal barrier is the heat smoke that blast furnace and pyrolysis hotblast stove produce, thermal barrier in band oven from bottom to top, layer heating is worn to coal charge, the raw gas that pyrolysis produces reclaims product tar through tar system, coal gas after purification all returns band oven and reclaims semicoke waste heat, the fuel and the temperature adjustment that are re-used as blast furnace and pyrolysis hotblast stove use.
Belt pyrolysis oven of the present utility model has following technical superiority: (1), low-temperature rapid thermal solution, and tar yield can Da Gejin destructive distillation more than 85%, and semicoke can be used as high-quality gasified raw material or pulverized coal injection into blast furna, constant product quality.(2), thin seam, large bed surface, low temperature Wind Volume, gaseous heat-carrier wears coal seam heating, intensity of heat exchange is high; throughput is large, short period fast pyrogenation, and the process-cycle is within 60 minutes; single line throughput reaches 1,000,000 tons/year, can realize the Coal dressing of mass-producing.(3), the dry and pyrolysis of coal charge independently carries out successively, and in coal, full water enters air with water at low temperature vaporous form; Coal gas cooling adopts advanced oil cooling-air cooling technique, and production system does not consume process water, does not also produce waste water, is environmental protection novel process.(4), high-temperature semi-coke adopts cooled coal gas waste heat recovery, and thermo-efficiency is high; Low temperature semicoke adopts flue gas eventually cold, product tapping temperature below 80 DEG C, water-saving and environmental protection.(5), body of heater full metal jacket, liner insulation fibre and refractory materials, guarantee furnace sealing and insulation, heat smoke recycle, and thermo-efficiency is high, and working cost is low.(6), production line adopts DCS industrial automation control system, each process point industrial television surveillance system and large screen display.Level of automation is high.The utility model is energy-conservation, and water saving, environmental protection, has good economic benefit and social benefit.
Accompanying drawing explanation
The schematic diagram of Fig. 1 belt pyrolysis oven of the present utility model.
The structural representation of belt pyrolysis oven of the present utility model in Fig. 2.
Corresponding Reference numeral representative in accompanying drawing:
Classification cloth system-I, band oven body of heater-II, hot air circulating system-III, guipure drive delivery system-IV, head sealed discharging system-V.
Corresponding Reference numeral representative in accompanying drawing 2:
A: pyrolysis feed; B: combustion air; C: product semicoke; D: product tar;
I: classification cloth system; II: band oven system; III: hot blast stove system; IV: guipure drives delivery system;
1: vibration separation screen; 2: classification surge bunker; 3: bed depth regulates flashboard; 4: changed course carrying roller; 5: dryer section; 6,7: pyrolysis section; 8: waste heat recovery section; 9: cold section eventually; 10: product discharge device; 11: smoke exhaust fan; 12: calorifier; 13: blast furnace; 14: pyrolysis hotblast stove; 15: whole cooler; 16: coke tar recovery system; 17: heat-resistant flexible metal mesh belt; 18: drive unit: 19: tightening device; 20: deviation-rectifying device for mesh belt; 21: power carrying roller; 22: air compartment; 23: burner blower.
Embodiment
Below in conjunction with accompanying drawing, the technical solution of the utility model is further described in detail.
A kind of belt pyrolysis oven, described belt pyrolysis oven comprises classification cloth system I, band oven body of heater II, hot air circulating system III, guipure driving delivery system IV and head sealed discharging system V; Described classification cloth system I comprises: grading oscillating screen 1, classification surge bunker 2 and bed depth regulate flashboard 3; Described band oven body of heater II is pyrolysis feed pyrolysis process passage, and it has all-metal closure, the cotton felt of liner insulation fibre and refractory materials; Described band oven body of heater II comprise connect successively dryer section 5, pyrolysis section 6,7, waste heat recovery section 8 and cold section 9 eventually; Described hot air circulating system III comprises calorifier 12 and heating duct; Described guipure drives delivery system IV to comprise heat-resistant flexible metal mesh belt 17, drive unit 18, turns to carrying roller 4, power carrying roller 21, hydraulic tensioning 19 and deviation correcting device 20; Described guipure drives delivery system IV to drive to turn to carrying roller 4 that heat-resistant flexible metal mesh belt 17 is moved horizontally in band oven body of heater II, successively through dryer section 5, pyrolysis section 6,7, waste heat recovery section 8 and cold section 9 eventually; Described head sealed discharging system V comprises product discharge device 10, is come out of the stove by cooled semicoke, and head sealed discharging system V has sealing function, prevents air from entering band oven body of heater II.Described belt pyrolysis oven also comprises automatic control system; Described automatic control system comprises sensor and topworks, controls temperature, pressure, atmosphere, flow and the duty parameter in cycle in stove in real time.
The utility model in use, pyrolysis feed hierarchical classification uniform distribution is on the flexible guipure of heating resisting metal, pyrolysis feed with the guipure moved horizontally successively through dryer section, pyrolysis section, waste heat recovery section, cold section eventually, obtain semicoke, thermal barrier is the heat smoke that dry heat phoenix stove and pyrolysis hotblast stove produce, thermal barrier in band oven from bottom to top, layer heating is worn to coal charge, the raw gas that pyrolysis produces reclaims product tar through tar system, coal gas after purification all returns band oven and reclaims semicoke waste heat, be re-used as the fuel of dry heat phoenix stove and pyrolysis hotblast stove and join warm use.
Introduce a kind of concrete technology using belt pyrolysis oven of the present utility model below.By 1.25t mixed coal through broken classification, tail classification cloth system uniform distribution is put on band oven foraminous conveyer through belt pyrolysis oven, the semicoke product 845.8kg altogether obtaining 57.2 DEG C successively through super-dry, pyrolysis (pyrolysis temperature is 600 DEG C), waste heat recovery is moved horizontally by guipure, coke tar recovery system reclaims tar 106.3kg, and tar yield reaches 91.16% of lattice gold destructive distillation productive rate.
The explanation of above way of example just understands method of the present utility model and core concept thereof for helping.Should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model principle, can also carry out some improvement and modification to the utility model, these improve and modify and also fall in the protection domain of the utility model claim.
Claims (2)
1. a belt pyrolysis oven, it is characterized in that, described belt pyrolysis oven comprises classification cloth system (I), band oven body of heater (II), hot air circulating system (III), guipure driving delivery system (IV) and head sealed discharging system (V);
Described classification cloth system (I) comprising: grading oscillating screen (1), classification surge bunker (2) and bed depth regulate flashboard (3);
Described band oven body of heater (II) is pyrolysis feed pyrolysis process passage, and it has all-metal closure, the cotton felt of liner insulation fibre and refractory materials; Described band oven body of heater (II) comprise connect successively dryer section (5), pyrolysis section (6,7), waste heat recovery section (8) and eventually cold section of (9), air compartment (22);
Described hot air circulating system (III) comprises calorifier (12) and heating duct;
Described guipure drives delivery system (IV) to comprise heat-resistant flexible metal mesh belt (17), drive unit (18), turns to carrying roller (4), power carrying roller (21), hydraulic tensioning (19) and deviation correcting device (20); Described guipure drives drive unit (18) in delivery system (IV) drive power carrying roller (21) and turn to carrying roller (4) that heat-resistant flexible metal mesh belt (17) is moved horizontally in band oven body of heater (II), successively through dryer section (5), pyrolysis section (6,7), waste heat recovery section (8) and whole cold section (9);
Described head sealed discharging system (V) comprises product discharge device (10), is come out of the stove by cooled semicoke, and head sealed discharging system (V) has sealing function, prevents air from entering band oven body of heater (II).
2., according to a kind of belt pyrolysis oven described in claim 1, it is characterized in that, also comprise automatic control system; Described automatic control system comprises sensor and topworks, controls temperature, pressure, atmosphere, flow and the duty parameter in cycle in stove in real time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520493077.7U CN204848755U (en) | 2015-07-10 | 2015-07-10 | Belt pyrolysis oven |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520493077.7U CN204848755U (en) | 2015-07-10 | 2015-07-10 | Belt pyrolysis oven |
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| CN204848755U true CN204848755U (en) | 2015-12-09 |
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| CN201520493077.7U Active CN204848755U (en) | 2015-07-10 | 2015-07-10 | Belt pyrolysis oven |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107143856A (en) * | 2017-03-28 | 2017-09-08 | 中南大学 | A kind of electron wastes pyrolysis oven |
| CN111747626A (en) * | 2020-06-24 | 2020-10-09 | 天津市丽碧朗环保科技有限公司 | Method for large-scale treatment of oily sludge |
-
2015
- 2015-07-10 CN CN201520493077.7U patent/CN204848755U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107143856A (en) * | 2017-03-28 | 2017-09-08 | 中南大学 | A kind of electron wastes pyrolysis oven |
| CN107143856B (en) * | 2017-03-28 | 2019-09-10 | 中南大学 | A kind of electron wastes pyrolysis oven |
| CN111747626A (en) * | 2020-06-24 | 2020-10-09 | 天津市丽碧朗环保科技有限公司 | Method for large-scale treatment of oily sludge |
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