CN204434551U - External heating type multiple stage circulation continuous low temperature destructive distillation device - Google Patents
External heating type multiple stage circulation continuous low temperature destructive distillation device Download PDFInfo
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- CN204434551U CN204434551U CN201520081349.2U CN201520081349U CN204434551U CN 204434551 U CN204434551 U CN 204434551U CN 201520081349 U CN201520081349 U CN 201520081349U CN 204434551 U CN204434551 U CN 204434551U
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Abstract
The utility model relates to the distillation apparatus utilizing external-heat distillation process coal upgrading classified utilization, coal gas and tail gas to be developed, especially a kind of external heating type multiple stage circulation continuous low temperature destructive distillation device.Be characterized in: comprise the first gas retort, the second gas retort and the 3rd gas retort, import bottom this first gas retort, the second gas retort and the 3rd gas retort is all by the outlet of pipeline and recirculation blower, and the import of this recirculation blower connects purification coal gas by pipeline, the outlet at this first gas retort, the second gas retort and the 3rd gas retort top is all by the inlet communication of pipeline and surge tank in addition, the outlet of this surge tank by pipeline and hotblast stove by heated air inlet communication.The utility model provides the device that a kind of coal high-efficiency utilizes, and the advantage of device adopts external-heat to dry, and avoids drying course raw coal on fire, suitably can improve preheating temperature simultaneously, alleviate the thermal load of gas retort.
Description
Technical field
The utility model relates to the distillation apparatus utilizing external-heat distillation process coal upgrading classified utilization, coal gas and tail gas to be developed, especially a kind of external heating type multiple stage circulation continuous low temperature destructive distillation device.
Background technology
Bearing capacity and the durability of contemporary exploitation of coal resources are limited.Along with socioeconomic fast development, the demand of coal is sharply increased.In a short time, coal resources total supply and demand can be in a basic balance, but are difficult to meet economy and social development needs, structural inconsistency long-term existence, following by the Sustainable development of restriction economic society.Current coal utilization is the industrial general layout of typical " heavy industry abnormal heavy, light industry is abnormal light ", and heavy industry proportion reaches 93.4%, and light industry only accounts for 6.6%.Product structure is based on primary products, and have 67 kinds in 120 kinds of products of the above enterprise of scale for primary products, large has coal, iron alloy, calcium carbide, resin, carborundum, gac, carbon element, former magnesium, cement etc.Intermediates 35 kinds, end product 18 kinds, high energy-consuming industry state of the art is higher, and added value of product is low, and energy utilization rate is generally lower, and coal resources waste is serious.
Coal resources utilize industrial chain product single, industry size is less, what utilize mostly is fat coal, and the low-quality coals such as the mud coal produced in the fine coal that coal mining goes out, sub-bituminous coal and coal washery washing process process cannot be utilized effectively and bulk deposition, and ground surface environment is seriously polluted; The number of chemical composition such as sulphur, ammonia, tar, naphthalene, crude benzol contained in coking, blue charcoal, calcium carbide emission does not develop and utilize, and majority uses as town gas after purification, and this fuel combustion calorific value is low, and energy utilization rate is still lower.Point out in energy-conservation major fields, " encourage to adopt gasification of coal and liquefaction new and high technology, strengthen Coal Chemical Industry Study on Process, lengthening manufacturing chain, increase added value of product, dilution unit product energy consumption, actively recycle the waste heat in technological process and byproduct ".
Utility model content
The purpose of this utility model is to provide a kind of external heating type multiple stage circulation continuous low temperature destructive distillation device, can effectively reduce reduction Air Pollutant Emission, also be of value to later stage tail gas comprehensive utilization exploitation simultaneously, promote that ecocity is fast-developing and build, also meet recycling economy development needs simultaneously.
A kind of external heating type multiple stage circulation continuous low temperature destructive distillation device, its special feature is: comprise the first gas retort, second gas retort and the 3rd gas retort, this first gas retort, import bottom second gas retort and the 3rd gas retort is all by the outlet of pipeline and recirculation blower, and the import of this recirculation blower connects purification coal gas by pipeline, this first gas retort in addition, the outlet at the second gas retort and the 3rd gas retort top is all by the inlet communication of pipeline and surge tank, the outlet of this surge tank by pipeline and hotblast stove by heated air inlet communication, and this hotblast stove by heated air outlet by pipeline simultaneously with the first gas retort, the outlet at the second gas retort and the 3rd gas retort top and the inlet communication of bottom, import wherein bottom the first gas retort, the second gas retort and the 3rd gas retort is also by pipeline and finished product coal gas outlet, wherein between the outlet at the first gas retort top and the import of bottom by pipeline communication, by pipeline communication between the outlet at the second gas retort top and the import of bottom, between the outlet at the 3rd gas retort top and the import of bottom, pass through pipeline communication.
Also by lateral and finished product coal gas outlet in the middle of connecting pipe wherein between the outlet at the first gas retort top and the import of bottom, also by lateral and finished product coal gas outlet in the middle of connecting pipe between the outlet at the second gas retort top and the import of bottom, also by lateral and finished product coal gas outlet in the middle of the connecting pipe between the outlet at the 3rd gas retort top and the import of bottom.
The utility model provides the device that a kind of coal high-efficiency utilizes, and the advantage of device adopts external-heat to dry, and avoids drying course raw coal on fire, suitably can improve preheating temperature simultaneously, alleviate the thermal load of gas retort, can be preheating to 650-750 DEG C.Adopt multitower tandem to utilize, a tower cooler, a tower destructive distillation, a tower preheating, effectively make use of coal destructive distillation and produce coal gas heat, effectively increase dry distillation tower work-ing life, level of automation is high simultaneously.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present utility model.
Embodiment
As shown in Figure 1, the utility model provides a kind of external heating type multiple stage circulation continuous low temperature destructive distillation device, comprise the first gas retort (i.e. gas retort A), second gas retort (i.e. gas retort B) and the 3rd gas retort (i.e. gas retort C), this first gas retort, import bottom second gas retort and the 3rd gas retort is all by the outlet of pipeline and recirculation blower, and the import of this recirculation blower connects purification coal gas by pipeline, this first gas retort in addition, the outlet at the second gas retort and the 3rd gas retort top is all by the inlet communication of pipeline and surge tank, the outlet of this surge tank by pipeline and hotblast stove by heated air inlet communication, and this hotblast stove by heated air outlet by pipeline simultaneously with the first gas retort, the outlet at the second gas retort and the 3rd gas retort top and the inlet communication of bottom, import wherein bottom the first gas retort, the second gas retort and the 3rd gas retort is also by pipeline and finished product coal gas outlet, wherein between the outlet at the first gas retort top and the import of bottom by pipeline communication, by pipeline communication between the outlet at the second gas retort top and the import of bottom, between the outlet at the 3rd gas retort top and the import of bottom, pass through pipeline communication.
Also by lateral and finished product coal gas outlet in the middle of connecting pipe wherein between the outlet at the first gas retort top and the import of bottom, also by lateral and finished product coal gas outlet in the middle of connecting pipe between the outlet at the second gas retort top and the import of bottom, also by lateral and finished product coal gas outlet in the middle of the connecting pipe between the outlet at the 3rd gas retort top and the import of bottom.
Using method of the present utility model and principle of work are:
As shown in Figure 1, in figure, valve V101a, valve V101b, valve V101c are the intake valve that cold blowing gas (purification coal gas) enters gas retort A, B, C; Be heated evenly for enabling coal in gas retort, blowing up and blowing down flow process are set, high-temperature gas intake valve when valve V102a, valve V102b, valve V102c are blowing downs, when valve V105a, valve V105b, valve V105c are blowing up, high-temperature gas enters gas retort intake valve; Valve V103a, valve V103b, valve V103c are the outlet valve of coal gas and the circulation gas produced after destructive distillation, preheating; Valve V104a, valve V104b, valve V104, valve V106a, valve V106b, valve V106c, valve V108a, valve V1028, valve V108c are the process valve realizing mutual handoff functionality between destructive distillation, preheating, cold blowing three kinds of states; The valve of gas stream journey is controlled when valve V107a, valve V107b, valve V107c are coke discharging, coal.
1. cold blowing: Sweet natural gas (purification coal gas) first enters recirculation blower, enters gas retort A (valve-off V101b, valve V101c, valve V102a, valve V103a, valve V104a, valve V105a, valve V106a) along pipeline through valve V101a after pressurization; Again through valve V108a, enter hotblast stove heating along pipeline.
2. destructive distillation: high-temperature natural gas enters gas retort B (valve V103b, valve V104b, valve V105b, valve V108b close) along pipeline through valve V102b, then enters gas retort C through valve V106b, valve V106c; After some minutes, switch heating procedure: open valve V105b, valve V104b, valve-off V102b, valve V106b, gas enters gas retort C through valve V106c.
3. preheating: gas enters gas retort C along pipeline, carries out preheating (valve V107, valve V105c, valve V104c, valve V102c close); The next units such as cooling, washing are entered along pipeline again through valve V103c.
4. load and unload: as gas retort A handling, gas retort B cold blowing, gas retort C destructive distillation state.Valve V101a, valve V102a, valve V103a, valve V104a, valve V105a, valve V106a, valve V107a, valve V108a Close All.Hotblast stove out gas enters gas retort C along pipeline and carries out destructive distillation, enters gas retort B and carries out cold blowing, through valve V104b, valve V107b along back of pipeline recirculation blower through valve V106c, valve V106b.
---gas retort B---gas retort C---is in the order of gas retort A, and any tower its adjacent right side tower when loading and unloading can only carry out cold blowing in attention: gas retort A in this flow process.
Using method and the principle of work of the utility model device are:
1, Sweet natural gas is by pipeline access gas retort A, cold blowing is carried out to coal in stove, then through piping access hotblast stove, 700 DEG C are heated to Sweet natural gas, Sweet natural gas after heating passes into gas retort B alternatively up and down to coal destructive distillation in stove with pipeline, make its destructive distillation abundant, after destructive distillation, heating gas enters gas retort C and is preheated to 350 DEG C to coal in stove, reduce calorific loss, exiting flue gas divides two strands, one send back segment operation to cool, purification, de-benzene, how de-, desulfurization, one enters distillation system as cycle pneumatic transmission, now Imported gas can be closed, whole device is in circulation and runs continuously, three tower one tower cold blowings, one tower destructive distillation, one tower preheating, three tower alternate runs, every platform gas retort retorting time is 1 ~ 5h, destructive distillation terminates, switch tower-like state to next stage.
2, a large amount of dust is contained in heating gas, can first cool through supercooler, tornado dust collector dedusting, access hotblast stove, reduce hotblast stove operating load, coal gas after preheating is introduced into mechanical filter impurity screening and first cools, and ensures cooling system steady running, then passes into distillation system and carry out cold blowing to coal in gas retort.
Claims (2)
1. an external heating type multiple stage circulation continuous low temperature destructive distillation device, it is characterized in that: comprise the first gas retort, second gas retort and the 3rd gas retort, this first gas retort, import bottom second gas retort and the 3rd gas retort is all by the outlet of pipeline and recirculation blower, and the import of this recirculation blower connects purification coal gas by pipeline, this first gas retort in addition, the outlet at the second gas retort and the 3rd gas retort top is all by the inlet communication of pipeline and surge tank, the outlet of this surge tank by pipeline and hotblast stove by heated air inlet communication, and this hotblast stove by heated air outlet by pipeline simultaneously with the first gas retort, the outlet at the second gas retort and the 3rd gas retort top and the inlet communication of bottom, import wherein bottom the first gas retort, the second gas retort and the 3rd gas retort is also by pipeline and finished product coal gas outlet, wherein between the outlet at the first gas retort top and the import of bottom by pipeline communication, by pipeline communication between the outlet at the second gas retort top and the import of bottom, between the outlet at the 3rd gas retort top and the import of bottom, pass through pipeline communication.
2. external heating type multiple stage circulation continuous low temperature destructive distillation device as claimed in claim 1, it is characterized in that: also by lateral and finished product coal gas outlet in the middle of the connecting pipe wherein between the outlet at the first gas retort top and the import of bottom, also by lateral and finished product coal gas outlet in the middle of connecting pipe between the outlet at the second gas retort top and the import of bottom, also by lateral and finished product coal gas outlet in the middle of the connecting pipe between the outlet at the 3rd gas retort top and the import of bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520081349.2U CN204434551U (en) | 2014-12-10 | 2015-02-05 | External heating type multiple stage circulation continuous low temperature destructive distillation device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2014107563712 | 2014-12-10 | ||
| CN201410756371 | 2014-12-10 | ||
| CN201520081349.2U CN204434551U (en) | 2014-12-10 | 2015-02-05 | External heating type multiple stage circulation continuous low temperature destructive distillation device |
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| CN204434551U true CN204434551U (en) | 2015-07-01 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105349155A (en) * | 2015-11-24 | 2016-02-24 | 张家港市天源机械制造有限公司 | Smoke road circulating devices in environmental-protection carbonization furnace |
| CN105349154A (en) * | 2015-11-24 | 2016-02-24 | 张家港市天源机械制造有限公司 | Environmental-protection carbonization furnace |
| CN108485815A (en) * | 2018-05-29 | 2018-09-04 | 云南养瑞科技集团有限公司 | A kind of distillation apparatus of dynamic circulation extraction fragrance |
-
2015
- 2015-02-05 CN CN201520081349.2U patent/CN204434551U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105349155A (en) * | 2015-11-24 | 2016-02-24 | 张家港市天源机械制造有限公司 | Smoke road circulating devices in environmental-protection carbonization furnace |
| CN105349154A (en) * | 2015-11-24 | 2016-02-24 | 张家港市天源机械制造有限公司 | Environmental-protection carbonization furnace |
| CN105349155B (en) * | 2015-11-24 | 2018-04-06 | 张家港市天源机械制造有限公司 | Environmentally friendly retort Zhong Yan roads EGR |
| CN105349154B (en) * | 2015-11-24 | 2018-06-05 | 张家港市天源机械制造有限公司 | Environmentally friendly retort |
| CN108485815A (en) * | 2018-05-29 | 2018-09-04 | 云南养瑞科技集团有限公司 | A kind of distillation apparatus of dynamic circulation extraction fragrance |
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Address after: 750001 16 Fengqing West Road, Desheng Industrial Park, Yinchuan, the Ningxia Hui Autonomous Region. Patentee after: Ningxia kaytian gas development Limited by Share Ltd Address before: 750200 south side of Fengqing West Road, Desheng Industrial Park, Helan, Yinchuan, the Ningxia Hui Autonomous Region Patentee before: Yinchuan Tianjia Energy Technology Co., Ltd. |