CN103965969A - Combined coal pyrolysis gasification system - Google Patents
Combined coal pyrolysis gasification system Download PDFInfo
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- CN103965969A CN103965969A CN201410211286.8A CN201410211286A CN103965969A CN 103965969 A CN103965969 A CN 103965969A CN 201410211286 A CN201410211286 A CN 201410211286A CN 103965969 A CN103965969 A CN 103965969A
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
Abstract
The invention discloses a combined coal pyrolysis gasification system which comprises a raw material coal drying system, a composite coal bin, a combined gasification furnace and a combined pyrolysis furnace, wherein the combined gasification furnace is arranged at the upper part of the combined pyrolysis furnace; the combined gasification furnace operates in a fluidized bed form, and a gasification furnace built-in separator is arranged inside the combined gasification furnace; a hot gas outlet pipe of the gasification furnace built-in separator is connected with a gas inlet of a tube shell type waste heat boiler; the combined pyrolysis furnace operates in a fluidized bed form, and a pyrolysis furnace built-in separator is arranged inside the combined pyrolysis furnace; a raw gas outlet pipe of the pyrolysis furnace built-in separator is connected with a gas inlet of a pyrolysis gas purification system; a discharge port of the combined gasification furnace and a discharge port of the gasification furnace built-in separator are connected with a hot semicoke inlet of the combined pyrolysis furnace through hot semicoke return valves. The combined coal pyrolysis gasification system realizes graded utilization of coal, is favorable for saving energy and reducing emission, and can increase economic benefits of an enterprise.
Description
Technical field
The present invention relates to a kind of pyrolysis of coal device and gasification installation, particularly a kind of combined coal pyrolytic gasified system.
Background technology
The areas such as China northern Shensi, Inner Mongol, Xinjiang and Yunnan are distributed with a large amount of low-disintegration coal kinds, as brown coal and long-flame coal, such coal has the characteristics such as resource reserve is large, buried regions is shallow, ature of coal is good, cost of winning is low, chemically reactive is good, high volatile golf calorific value, no adhesion, is conducive to extract tar and chemical fuel gas by pyrolysis.Yet, coal in China pyrolysis installation mostly adopts lump coal at present, the a large amount of fine coal that produce in recovery process are not used, and current low-temperature pyrolysis process can produce a large amount of raw gas that can not further utilize, thereby the effective constituent of coal resources can not be fully used, environment is had to very large harm.Therefore, improve coal resources utilization ratio, development be take Poly-generation as basic clean coal technology, and the staged conversion of realizing coal is coal conversion and the development trend of utilizing technology.
Denomination of invention is the Chinese patent ZL2012111087202.2 of combined cyclone bed vapourizing furnace, discloses a kind of combined cyclone bed vapourizing furnace, comprises cyclone bed vapourizing furnace, shell-and-tube exhaust-heat boiler, two-stage gas filter drain cock; One-level gas filter drain cock is placed in the inside of cyclone bed vapourizing furnace, and top flushes with the top of cyclone bed vapourizing furnace; One-level gas filter drain cock is cyclonic separator form, and the sidewall of one-level gas filter drain cock is provided with water-cooled coil pipe; The heating gas outlet of one-level gas filter drain cock is connected with the inlet mouth of shell-and-tube exhaust-heat boiler, the outlet of water-cooled coil pipe is connected with the water-in of shell-and-tube exhaust-heat boiler, and the water outlet of shell-and-tube exhaust-heat boiler is provided with outer for vapor interface and cyclone bed vapourizing furnace vapor interface; The air outlet of shell-and-tube exhaust-heat boiler is connected with secondary gas filter drain cock, and the gas exit of secondary gas filter drain cock is provided with outer give gas interface and cyclone bed vapourizing furnace coal gas interface.This system device is simple, cheap, water loss is low, and the low-carbon (LC) that is applicable to low-disintegration coal kind transforms.
At least there is following problem in above-mentioned prior art:
Aforesaid combination type cyclone bed vapourizing furnace cannot propose volatile matter wherein and then the product such as the tar of output preciousness and pyrolysis coal gas when using the low metamorphic lignite of high volatile and long-flame coal for raw material, thereby reduced making full use of of effective constituent in coal.
Summary of the invention
The object of this invention is to provide a kind of simple in structure, running cost is low, it is low to pollute, and is applicable to the technology and equipment of the combined coal pyrolytic gasified system of high moisture, low-disintegration coal kind.
To achieve these goals, the technical solution used in the present invention is:
Combined coal pyrolytic gasified system of the present invention, comprise compound coal bunker, combined vapourizing furnace and combined pyrolysis oven, described combined vapourizing furnace is located at the top of described combined pyrolysis oven, and a discharge port of described compound coal bunker is connected with the opening for feed of described combined vapourizing furnace, another discharge port is connected with the opening for feed of described combined pyrolysis oven;
The operation scheme of described combined vapourizing furnace adopts fluidized-bed form, its inside is provided with the vapourizing furnace built-in splitter of many imports, cyclonic separation form, and the central axis of described vapourizing furnace built-in splitter flushes and be provided with heating gas outlet pipe with the central axes of described combined vapourizing furnace, top with the top of described combined vapourizing furnace;
Described heating gas outlet pipe is connected with the inlet mouth of shell-and-tube exhaust-heat boiler, the air outlet of described shell-and-tube exhaust-heat boiler is connected with the inlet mouth of hard tube fly-ash separator, the purification gas exit of described hard tube fly-ash separator is connected to coal gas surge tank and product gasification gas exit by variable valve and gas compressor respectively, the wall of described vapourizing furnace built-in splitter is provided with water-cooled coil pack, and the outlet of described water-cooled coil pack is connected with the admission port of described shell-and-tube exhaust-heat boiler;
The operation scheme of described combined pyrolysis oven adopts fluidized-bed form, its inside is provided with the pyrolysis oven built-in splitter of many imports, cyclonic separation form, and the central axis of described pyrolysis oven built-in splitter flushes and be provided with raw gas outlet pipe with the central axes of described combined pyrolysis oven, top with the top of described combined pyrolysis oven;
Described raw gas outlet pipe is connected with the inlet mouth of pyrolysis gas cleaning system, the pyrolysis gas exit of described pyrolysis gas cleaning system is connected to described coal gas surge tank and product pyrolysis gas exit by variable valve and gas compressor respectively, the wall of described pyrolysis oven built-in splitter is provided with air cooling membrane wall assembly, the inlet mouth of described air cooling membrane wall assembly is connected with the cooled coal gas outlet after purification, and the air outlet of described air cooling membrane wall assembly is connected with described combined pyrolysis oven.
As seen from the above technical solution provided by the invention, combined coal pyrolytic gasified system of the present invention, owing to having adopted combination process and the equipment such as combined vapourizing furnace, combined pyrolysis oven and steam fluidized bed dryer, when the powdery low-disintegration coal kind of using high volatile is carried out low-carbon (LC) conversion, volatile matter wherein can be proposed, and then the product such as the tar of output preciousness and pyrolysis coal gas, not only realized coal grading utilization, the cascade utilization of heat energy, be conducive to energy-saving and emission-reduction, and can improve the economic benefit of enterprise.
Accompanying drawing explanation
The process principle figure of the combined coal pyrolytic gasified system that Fig. 1 provides for the embodiment of the present invention;
Fig. 2 is the process principle figure of embodiment of the present invention Raw coal drying system.
In figure:
1-compound coal bunker; 2-combined vapourizing furnace; 3-combined pyrolysis oven; 4-vapourizing furnace built-in splitter; 5-pyrolysis oven built-in splitter; 6-shell-and-tube exhaust-heat boiler; 7-hard tube fly-ash separator; 8-hot semicoke material returning valve; 9-pyrolysis gas cleaning system; 10-semicoke temperature-reducing tower; 11-coal gas surge tank; 12-steam coke quenching tank; 13-gas compressor;
21-raw material coal bunker; 22-steam fluidized bed dryer; 23-electrostatic fabric filter; 24-steam temperature reducing and pressure reducing device.
Embodiment
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing, the embodiment of the present invention is described in further detail.
Combined coal pyrolytic gasified system of the present invention, its preferably embodiment be:
Comprise compound coal bunker, combined vapourizing furnace and combined pyrolysis oven, described combined vapourizing furnace is located at the top of described combined pyrolysis oven, and a discharge port of described compound coal bunker is connected with the opening for feed of described combined vapourizing furnace, another discharge port is connected with the opening for feed of described combined pyrolysis oven;
The operation scheme of described combined vapourizing furnace adopts fluidized-bed form, its inside is provided with the vapourizing furnace built-in splitter of many imports, cyclonic separation form, and the central axis of described vapourizing furnace built-in splitter flushes and be provided with heating gas outlet pipe with the central axes of described combined vapourizing furnace, top with the top of described combined vapourizing furnace;
Described heating gas outlet pipe is connected with the inlet mouth of shell-and-tube exhaust-heat boiler, the air outlet of described shell-and-tube exhaust-heat boiler is connected with the inlet mouth of hard tube fly-ash separator, the purification gas exit of described hard tube fly-ash separator is connected to coal gas surge tank and product gasification gas exit by variable valve and gas compressor respectively, the wall of described vapourizing furnace built-in splitter is provided with water-cooled coil pack, and the outlet of described water-cooled coil pack is connected with the admission port of described shell-and-tube exhaust-heat boiler;
The operation scheme of described combined pyrolysis oven adopts fluidized-bed form, its inside is provided with the pyrolysis oven built-in splitter of many imports, cyclonic separation form, and the central axis of described pyrolysis oven built-in splitter flushes and be provided with raw gas outlet pipe with the central axes of described combined pyrolysis oven, top with the top of described combined pyrolysis oven;
Described raw gas outlet pipe is connected with the inlet mouth of pyrolysis gas cleaning system, the pyrolysis gas exit of described pyrolysis gas cleaning system is connected to described coal gas surge tank and product pyrolysis gas exit by variable valve and gas compressor respectively, the wall of described pyrolysis oven built-in splitter is provided with air cooling membrane wall assembly, the inlet mouth of described air cooling membrane wall assembly is connected with the cooled coal gas outlet after purification, and the air outlet of described air cooling membrane wall assembly is connected with described combined pyrolysis oven.
The discharge port of the discharge port of described combined vapourizing furnace and vapourizing furnace built-in splitter is connected with the hot semicoke import of described combined pyrolysis oven by hot semicoke material returning valve, and the discharge port of described hard tube fly-ash separator is connected with the opening for feed of described hot semicoke material returning valve.
The vapour outlet of described shell-and-tube exhaust-heat boiler is connected with feed coal dehumidification system with the fluidizing agent import of described combined vapourizing furnace respectively.
The discharge port of the discharge port of described combined pyrolysis oven and pyrolysis oven built-in splitter is connected with the opening for feed of semicoke temperature-reducing tower, the discharge port of described semicoke temperature-reducing tower is connected with the opening for feed of steam coke quenching tank, and the discharge port of described steam coke quenching tank is connected with the outlet of product semicoke.
The exit end of described coal gas surge tank is connected with the gas feed of described semicoke temperature-reducing tower, and the pneumatic outlet of described semicoke temperature-reducing tower is connected with the fluidizing agent import of described combined pyrolysis oven.
Described feed coal dehumidification system comprises raw material coal bunker, described raw material coal bunker bottom feed opening is connected with the opening for feed at steam fluidized bed dryer top, the top of described steam fluidized bed dryer is provided with secondary steam outlet, described secondary steam outlet is connected with the steam inlet of described steam coke quenching tank by electrostatic fabric filter, the steam outlet of described steam coke quenching tank is connected with the steam condenser pipe of described steam fluidized bed dryer inside, the vapour outlet of described shell-and-tube exhaust-heat boiler is connected by the steam temperature reducing and pressure reducing device fluidization steam vapor air distribution plate built-in with described steam fluidized bed dryer,
The bottom discharge port of described steam fluidized bed dryer is connected with described compound coal bunker.
Specific embodiment:
As shown in Figure 1, the semicoke that treated feed coal and system are produced is admitted to the bottom of combined vapourizing furnace 2 through compound coal bunker 1; Coal through the acting in conjunction of vaporized chemical water vapor and pure oxygen (oxygen enrichment or air), produces heat and carries out partial gasification in stove; Semi-coke powder under the semicoke of combined vapourizing furnace 2 outputs and vapourizing furnace built-in splitter 4 are separated, through the semicoke outlet of combined vapourizing furnace 2 bottoms and the separated ash outlet of separator, send into the hot semicoke material returning valve 8 being connected with combined pyrolysis oven 3 respectively, then be admitted in combined pyrolysis oven 3.Meanwhile, the heat of gasification coal gas of combined vapourizing furnace 2 interior outputs enters the heating gas entrance of shell-and-tube exhaust-heat boiler 6 through the outlet pipe of its inner vapourizing furnace built-in splitter 4; Heating gas is cooled to approximately 360 ℃ of gas exits from shell-and-tube exhaust-heat boiler 6 and escapes and enter hard tube fly-ash separator 7 in shell-and-tube exhaust-heat boiler 6 and after de-mineralized water heat exchange, coal gas after cooling hard tube fly-ash separator 7 interior after further dedusting, cooling wherein a part as product gasification gas, send, another part gasification gas regulates and gas compressor 13 is sent in coal gas surge tank 11 after pressurizeing through variable valve; Semi-coke powder under hard tube fly-ash separator 7 removes is through the ash output hole discharge of its bottom and in overheated semicoke material returning valve 8 is admitted to combined pyrolysis oven 3 again.The output middle pressure steam that simultaneously heats up after the de-mineralized water heat exchange in waste heat boiler 6, wherein a part of steam is introduced in combined vapourizing furnace 2 as vaporized chemical; Another part steam can be used as thermal source and is admitted to feed coal dehumidification system.
As shown in Figure 1, treated feed coal is admitted to the emulsion zone of combined pyrolysis oven 3 bottoms and the hot semicoke blending that combined vapourizing furnace 2 outputs are sent into through hot semicoke material returning valve 8 through compound coal bunker 1, and under the heating gas acting in conjunction of being sent here by semicoke temperature-reducing tower 10, carry out fluidisation pyrolysis, output pyrolysis raw gas.
Hot semicoke by combined vapourizing furnace 2 outputs is the solid thermal carriers of this pyrolytic process; The heating gas of being sent here by semicoke temperature-reducing tower 10 is the gaseous heat-carrier of this pyrolytic process.
The raw gas of combined pyrolysis oven 3 outputs enters pyrolyzing coal gas purification system 9 after its inner pyrolysis oven built-in splitter 5 dedustings, and raw gas is separated purified gas, tar and other Chemicals in pyrolysis gas cleaning system 9.A part for the normal temperature purified gas of pyrolysis gas cleaning system 9 outputs is drawn, after variable valve adjusting and gas compressor 13 pressurizations, send in coal gas surge tank 11.
As shown in Figure 1, the hot semicoke of feed coal output after the interior pyrolysis of combined pyrolysis oven 3 is discharged and is admitted in semicoke temperature-reducing tower 10 through the hot semicoke outlet of its bottom, hot semicoke within it with the low temperature coal gas heat exchange of being sent into by coal gas surge tank 11 after temperature be down to 350 ℃ of left and right, enter again in steam coke quenching tank 12, at the interior secondary steam with electrostatic fabric filter 23 discharges shown in Fig. 2 of steam coke quenching tank 12, semicoke is continued to cooling.After the low temperature coal gas heat exchange of being sent into by coal gas surge tank 11, temperature rises to approximately 300 ℃, and this coal gas is used as the fluidizing medium of combined pyrolysis oven 3 and sends in it.
As shown in Figure 2, in coal, contained humidity is greater than in 20% the incoming stock coal bunker 21 of feed coal, then is admitted in steam fluidized bed dryer 22; In Fig. 1, the residual steam of shell-and-tube exhaust-heat boiler 6 outputs is sent into and in the steam temperature reducing and pressure reducing device 24 shown in this Fig. 2, after desuperheat, reduced pressure treatment, as fluidizing medium, is sent into that steam fluidized bed dryer 22 is interior carries out steam fluidisation to feed coal; The secondary steam of carrying coal dust secretly that steam fluidized bed dryer 22 is discharged is delivered to after electrostatic fabric filter 23 is removed dust and is sent into the steam coke quenching tank 12 shown in Fig. 1 again through the outlet at its top; In steam coke quenching tank 12, the hot semicoke of 350 ℃ of left and right that are admitted to and the secondary steam heat exchange of sending into, improve the temperature and pressure of steam, then using it as drying source, send into and obtain solidifying Xie Shui after the heat exchange coil heat exchange of installing fluidized bed dryer 22 bottoms, cooling and reclaim, utilize.Dried coal is sent and is sent in the compound coal bunker 1 shown in Fig. 1 through the discharge port of fluidized bed dryer 22 bottoms.
The coal that specific embodiment is applicable:
The middle low order coal that is applicable to as received basis volatile matter >=20% in coal, as brown coal, long-flame coal, non-caking coal and weakly caking coal etc.; Feed coal ash oontent≤15～20%; To sulphur content no requirement (NR); Total moisture content < 50% in coal; In coal, the feed coal of total moisture content < 20% can directly enter in the compound coal bunker 1 described in Fig. 1.
The operating parameter of the combined coal pyrolysis gas gasifying device that specific embodiment provides:
(1) feed coal dehumidification system: feed coal precrushing granularity: 0～5mm; Required fluidization steam vapor parameter (air distribution plate ingress): 30kPa/150～200 ℃.
(2) combined vapourizing furnace is low pressure operation, operating pressure: 15～30kPa; Operating temperature: 850～1000 ℃.
(3) combined pyrolysis oven is normal pressure operation, 450～750 ℃ of operating temperatures; Required fluidisation gas parameters (fluidizer ingress): 30kPa/280～300 ℃.
The present invention adopts that steam fluidized bed dryer, combined coal gasification apparatus and combined pyrolysis of coal device etc. are moisture to height, low-disintegration coal kind is dewatered and pyrolysis processing, and advantage is:
(1) the present invention has adopted the technique that proposes in advance volatile matter in coal, the multiple product such as semi coking tar, pyrolysis coal gas, gasification gas and semicoke in output, realized various compositions in coal rationally, effectively utilize.
Adopt this invention, be particularly advantageous in a lot of low-disintegration coal kinds of ground reserves such as utilizing China Inner Mongol, Shaanxi, Yunnan and Xinjiang; Be conducive to directly utilize and account for the fine coal that Coal Exploitation coal output reaches 30% left and right; Be conducive to the conversion on the spot of the coal of the vast central and west regions of China.
(2) the temperature counterpart of heat energy in the processing, switching process of coal and the cascade utilization of energy have been realized, therefore energy conversion efficiency is high: because technique of the present invention organically combines combined vapourizing furnace 2 with combined pyrolysis oven 3, the operation of implementation Poly-generation, combined vapourizing furnace 2 provides hot semicoke as solid thermal carriers in output gasification gas product combined pyrolysis oven 3; Gentleization of the normal temperature pyrolysis coal gas coal gas of system produce in semicoke temperature-reducing tower 10 with hot semicoke heat exchange, heat up after as fluidizing medium and the gaseous heat-carrier loopback of combined pyrolysis oven 3, utilized the sensible heat of semicoke product; The residue sensible heat of the hot semicoke of system produce is further recycled, utilizes in steam coke quenching tank 12.
(3) construction investment is low: described steam fluidized bed dryer 22, combined vapourizing furnace 2 and combined pyrolysis oven 3 all adopt fluidized-bed form, and its heat conduction efficiency is higher than other forms; System major equipment all adopts normal pressure and low pressure operation mode, and simple in equipment, volume is little, unit consumption of energy is little, floor space is few; Shell-and-tube exhaust-heat boiler 6 outputs of the whole inner portions of steam that system is required, need not build boiler house, cost saving again.
The above; be only the present invention's embodiment preferably, but protection scope of the present invention is not limited to this, is anyly familiar with in technical scope that those skilled in the art disclose in the present invention; the variation that can expect easily or replacement, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.
Claims (6)
1. a combined coal pyrolytic gasified system, it is characterized in that, comprise compound coal bunker, combined vapourizing furnace and combined pyrolysis oven, described combined vapourizing furnace is located at the top of described combined pyrolysis oven, and a discharge port of described compound coal bunker is connected with the opening for feed of described combined vapourizing furnace, another discharge port is connected with the opening for feed of described combined pyrolysis oven;
The operation scheme of described combined vapourizing furnace adopts fluidized-bed form, its inside is provided with the vapourizing furnace built-in splitter of many imports, cyclonic separation form, and the central axis of described vapourizing furnace built-in splitter flushes and be provided with heating gas outlet pipe with the central axes of described combined vapourizing furnace, top with the top of described combined vapourizing furnace;
Described heating gas outlet pipe is connected with the inlet mouth of shell-and-tube exhaust-heat boiler, the air outlet of described shell-and-tube exhaust-heat boiler is connected with the inlet mouth of hard tube fly-ash separator, the purification gas exit of described hard tube fly-ash separator is connected to coal gas surge tank and product gasification gas exit by variable valve and gas compressor respectively, the wall of described vapourizing furnace built-in splitter is provided with water-cooled coil pack, and the outlet of described water-cooled coil pack is connected with the admission port of described shell-and-tube exhaust-heat boiler;
The operation scheme of described combined pyrolysis oven adopts fluidized-bed form, its inside is provided with the pyrolysis oven built-in splitter of many imports, cyclonic separation form, and the central axis of described pyrolysis oven built-in splitter flushes and be provided with raw gas outlet pipe with the central axes of described combined pyrolysis oven, top with the top of described combined pyrolysis oven;
Described raw gas outlet pipe is connected with the inlet mouth of pyrolysis gas cleaning system, the pyrolysis gas exit of described pyrolysis gas cleaning system is connected to described coal gas surge tank and product pyrolysis gas exit by variable valve and gas compressor respectively, the wall of described pyrolysis oven built-in splitter is provided with air cooling membrane wall assembly, the inlet mouth of described air cooling membrane wall assembly is connected with the cooled coal gas outlet after purification, and the air outlet of described air cooling membrane wall assembly is connected with described combined pyrolysis oven.
2. combined coal pyrolytic gasified system according to claim 1, it is characterized in that, the discharge port of the discharge port of described combined vapourizing furnace and vapourizing furnace built-in splitter is connected with the hot semicoke import of described combined pyrolysis oven by hot semicoke material returning valve, and the discharge port of described hard tube fly-ash separator is connected with the opening for feed of described hot semicoke material returning valve.
3. combined coal pyrolytic gasified system according to claim 2, is characterized in that, the vapour outlet of described shell-and-tube exhaust-heat boiler is connected with feed coal dehumidification system with the fluidizing agent import of described combined vapourizing furnace respectively.
4. combined coal pyrolytic gasified system according to claim 3, it is characterized in that, the discharge port of the discharge port of described combined pyrolysis oven and pyrolysis oven built-in splitter is connected with the opening for feed of semicoke temperature-reducing tower, the discharge port of described semicoke temperature-reducing tower is connected with the opening for feed of steam coke quenching tank, and the discharge port of described steam coke quenching tank is connected with the outlet of product semicoke.
5. combined coal pyrolytic gasified system according to claim 4, it is characterized in that, the exit end of described coal gas surge tank is connected with the gas feed of described semicoke temperature-reducing tower, and the pneumatic outlet of described semicoke temperature-reducing tower is connected with the fluidizing agent import of described combined pyrolysis oven.
6. according to claim 3, combined coal pyrolytic gasified system described in 4 or 5, it is characterized in that, described feed coal dehumidification system comprises raw material coal bunker, described raw material coal bunker bottom feed opening is connected with the opening for feed at steam fluidized bed dryer top, the top of described steam fluidized bed dryer is provided with secondary steam outlet, described secondary steam outlet is connected with the steam inlet of described steam coke quenching tank by electrostatic fabric filter, the steam outlet of described steam coke quenching tank is connected with the steam condenser pipe of described steam fluidized bed dryer inside, the vapour outlet of described shell-and-tube exhaust-heat boiler is connected by the steam temperature reducing and pressure reducing device fluidization steam vapor air distribution plate built-in with described steam fluidized bed dryer,
The bottom discharge port of described steam fluidized bed dryer is connected with described compound coal bunker.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104776426A (en) * | 2015-03-31 | 2015-07-15 | 李大鹏 | Device and method for synchronous power generation and multi-generation of coal gas and powdered coal |
| CN105387459A (en) * | 2015-11-16 | 2016-03-09 | 北京神雾环境能源科技集团股份有限公司 | Low-order ash coal graded utilization system and technology |
| CN105505475A (en) * | 2016-01-30 | 2016-04-20 | 农业部规划设计研究院 | Biomass gasification-dry distillation coupling carbon gas-oil co-production technology |
| CN105670699A (en) * | 2016-03-23 | 2016-06-15 | 北京神雾环境能源科技集团股份有限公司 | System and method for treating low-rank coal |
| CN110591761A (en) * | 2019-09-12 | 2019-12-20 | 浙江大学 | Coal fluidized bed partial gasification co-production device and process |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101921627A (en) * | 2010-07-30 | 2010-12-22 | 陕西华祥能源科技集团有限公司 | Air-oil co-production device and method adopting fluidized bed pulverized coal gasification and solid heat carrier pyrolysis coupling |
| US20110308155A1 (en) * | 2010-06-16 | 2011-12-22 | Paskach Thomas J | Producing Low Tar Gases in a Multi-Stage Gasifier |
| CN102676229A (en) * | 2012-06-07 | 2012-09-19 | 北京华福神雾工业炉有限公司 | Combined rotational flow bed gasification furnace |
| CN102766474A (en) * | 2012-06-04 | 2012-11-07 | 北京神雾环境能源科技集团股份有限公司 | Method for combining low-rank pulverized coal classification conversion and cogeneration project |
| CN202595066U (en) * | 2012-06-07 | 2012-12-12 | 北京华福神雾工业炉有限公司 | Combined-type rotating fluidized bed gasifier |
| CN103666506A (en) * | 2013-12-13 | 2014-03-26 | 北京蓝天利源科技有限公司 | Feed coal pre-pyrolysis device for large-sized pulverized coal furnace |
| CN203878124U (en) * | 2014-05-19 | 2014-10-15 | 北京蓝天利源科技有限公司 | Combined coal pyrolysis and gasification system |
-
2014
- 2014-05-19 CN CN201410211286.8A patent/CN103965969B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110308155A1 (en) * | 2010-06-16 | 2011-12-22 | Paskach Thomas J | Producing Low Tar Gases in a Multi-Stage Gasifier |
| CN101921627A (en) * | 2010-07-30 | 2010-12-22 | 陕西华祥能源科技集团有限公司 | Air-oil co-production device and method adopting fluidized bed pulverized coal gasification and solid heat carrier pyrolysis coupling |
| CN102766474A (en) * | 2012-06-04 | 2012-11-07 | 北京神雾环境能源科技集团股份有限公司 | Method for combining low-rank pulverized coal classification conversion and cogeneration project |
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| CN110591761A (en) * | 2019-09-12 | 2019-12-20 | 浙江大学 | Coal fluidized bed partial gasification co-production device and process |
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