CN113234493A - Improve gaseous solid-liquid-gas separation system who constitutes of WGSR behind coal gasification - Google Patents
Improve gaseous solid-liquid-gas separation system who constitutes of WGSR behind coal gasification Download PDFInfo
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- CN113234493A CN113234493A CN202110646089.9A CN202110646089A CN113234493A CN 113234493 A CN113234493 A CN 113234493A CN 202110646089 A CN202110646089 A CN 202110646089A CN 113234493 A CN113234493 A CN 113234493A
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- gas
- solid
- wgsr
- coal gasification
- separation
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
- C10K1/00—Purifying combustible gases containing carbon monoxide
- C10K1/02—Dust removal
- C10K1/026—Dust removal by centrifugal forces
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
- C10K1/00—Purifying combustible gases containing carbon monoxide
- C10K1/04—Purifying combustible gases containing carbon monoxide by cooling to condense non-gaseous materials
Abstract
The invention relates to a solid-liquid-gas separation system for improving the composition of WGSR gas after coal gasification, which consists of a gas-solid separation system and a gas-liquid separation system. The invention is convenient for putting coal gasification products and outputting high-quality combustible gas fuel, can fully filter and separate the products after coal gasification, separates tiny solid products from the gasification products through a gas-solid separation system, and cleans the gas fuel after one-step separation and thoroughly filters solid impurities. The external motor bearing equipment can control the running speed of the system and can effectively master the running progress; the gas-solid separation system can effectively screen out solid particles mixed in the gasified part, so that the cleanness of the fuel is guaranteed; the two-step gas-liquid separation system can better purify CO required in a Water Gas Shift Reaction (WGSR) and ensure that the reaction is safely and effectively carried out, thereby efficiently achieving the purposes of environmental protection, improving the reaction effect and ensuring the safety and effectiveness of the industrial process of preparing hydrogen by the WGSR, and providing valuable reference for the WGSR.
Description
Technical Field
The invention belongs to the technical field of deslagging and filtering, and particularly relates to a solid-liquid-gas separation system for improving the composition of WGSR gas after coal gasification.
Background
Coal gasification is a reaction process in which coal, coke, semicoke and other fuels (in solid form) are reacted under certain conditions to produce a product, namely gas, accompanied by a small amount of solid residues, and when hydrogen is produced by Water Gas Shift Reaction (WGSR), CO and H2The synthesis gas is mainly reacted, and high-purity product hydrogen is obtained through the subsequent working procedures of transformation, hydrogen purification, methanol low-temperature washing and the like, and after the basic working procedures of slag discharge and washing of the product carried out by the coal gasification reaction, the gas product still contains a small amount of solid particle impurities, so that the safety efficiency of subsequent fuel combustion and utilization is reduced to a certain extent; the utilization of carbon monoxide (CO) and carbon dioxide (CO) in the coal gasification product is the main2) And further reacting the carbon monoxide with steam in an equimolar amount in a water gas shift reaction to produce hydrogen (H)2) And carbon dioxide (CO)2) Therefore, if necessary, gas-solid separation is carried out to purify the fuel, and gas-phase separation is carried out under certain conditions, so as to ensure the safe and effective performance of the water gas shift reaction.
The hydrogen is clean energy which can be coordinated with the environment and has great potential development. Compared with the early reaction fuel of coal gasification, the hydrogen is cleaner and is an effective way for solving the problems of energy and environment. However, the gasified fuel has certain solid residue, so that the gasified fuel has the disadvantages of dangerous factors such as explosion and the like in the subsequent combustion, and due to the existence of the impurities, the gasified fuel brings many problems to the combustion, such as low treatment capacity, low combustion efficiency, low safety coefficient of the combustion process and the like. The gas composition of WGSR after processing coal gasification has become a significant problem for fuel filtration and slag removal utilization.
According to the related data, part of the solid impurities after coal gasification can be separated by filtration, so that the gas-solid separation can be realized in a compact filter screen; the gas obtained by gas-solid separation enters the condenser box, so that condensable components and non-condensable components are effectively separated, and the potential safety hazard problem of solid impurities in combustion can be reduced. The gas-solid separation and the gas-liquid separation are carried out on the WGSR gas composition after coal gasification, the impurity content in the fuel is reduced, the safe and practical efficiency of the fuel is improved, the product after coal gasification is associated with the Water Gas Shift Reaction (WGSR), the environmental pollution is reduced, the energy utilization efficiency is improved, and the method has important practical significance and good application prospect.
Disclosure of Invention
In view of the above problems, the present invention provides a solid-liquid-gas separation system for improving the WGSR gas composition after coal gasification, which can reduce impurities in the fuel, improve the combustion safety, and improve the WGSR gas composition.
In order to achieve the above object, the solid-liquid-gas separation system for improving the composition of WGSR gas after coal gasification according to the present invention adopts the following technical scheme:
a solid-liquid-gas separation system for improving the composition of WGSR gas after coal gasification comprises: a gas-solid separation system and a gas-liquid separation system. One side is a gas-solid separation system supported by a four-corner bracket, and the other side is a gas-liquid separation system containing a gas collecting device and a liquid collecting device.
Further, the gas-solid separation system comprises a coal gasification product input inlet, a gasified product enters a gas-solid separation barrel through an input pipeline, a rotary drum with compact solid filter blades is arranged in the gas-solid separation barrel, a main body of the gas-solid separation barrel is driven to operate by a rotating belt under the starting of a variable frequency motor through a hollow bearing, the rotary drum with the compact solid filter blades rotates after the whole gas-solid separation barrel is fed with materials, pressure is formed through rotation to promote gas-solid separation, and the gas stripped under the action of the pressure is separated from the rotary drum and enters a gas area, so that the gas and the solid are separated independently.
Further, the gas-solid separation system can fully separate gas and solid through the rotation of the bearing, the lower side of the cylinder) is provided with a solid collecting device supported by a fixed support, and the collection and the cleaning of solid substances can be realized through a valve.
Further, the separated gaseous material continues through the passage under pressure into the cooling separator tank. The cooling separation device tank contains a condensing device and an operating device thereof, through condensation separation of the device, non-condensable gas enters a gas collection device through a gas outlet, and condensed liquid enters a condensed liquid collection device.
Furthermore, the whole system is provided with a sewage draining outlet, so that the system can be cleaned regularly. Effectively and reasonably improves the solid-liquid gas composition in the separation process of the coal gasification product.
Drawings
FIG. 1 is a solid-liquid-gas separation system for improving the WGSR gas composition after coal gasification.
Wherein 1-coal gasification product is input into an inlet; 2-a hollow bearing; 3-a variable frequency motor; 4-an input pipeline; 5, rotating the belt; 6-gas cylinder area; 7-a quadrangular support; 8-a valve; 9-fixing a bracket; 10-a sewage draining outlet; 11-a solids collection means; 12-gas-solid separation cylinder; 13-a drum containing dense solid filter blades; 14-a cold separator tank; 15-a condensing device; 16-condensation handling means; 17-a gas outlet; 18-a condensed liquid collection device.
Detailed Description
For the sake of understanding, the present invention will be further explained with reference to the drawings and examples.
As shown in the figure, the invention comprises a gas-solid separation system and a gas-liquid separation system. One side is a gas-solid separation system supported by a four-corner bracket, and the other side is a gas-liquid separation system containing a gas collecting device and a liquid collecting device. The gas-solid separation system comprises a coal gasification product input inlet (1), an input pipeline (4), a gas-solid separation cylinder body (12), a rotary drum (13) containing compact solid filter blades is arranged in the gas-solid separation cylinder body (12), and the whole cylinder body is arranged on a stable four-corner support (7). The gas-solid separation barrel body (12) main body is driven to run by a rotating belt (5) under the starting of a variable frequency motor (3) through a hollow bearing (2), the whole gas-solid separation barrel body (12) rotates after materials are put into the drum (13) with compact solid filtering blades, pressure is formed through rotation to promote gas-solid separation, and gas stripped under the action of pressure is separated from the drum (13) and enters a gas barrel area (6) so that two gas-solid separation items form independent separation. The gas-solid separation can be fully realized by the rotation drive of the bearing, a solid collecting device (11) supported by a fixed support (9) is arranged at the lower side of the cylinder body (12), and the collection and the cleaning of solid substances can be realized through the valve (8).
The gas-liquid separation system is characterized in that after separated gas substances continue to enter a cooling separation device tank (14) through a channel under the action of pressure, non-condensable gas enters a gas collection device through a gas outlet (17) through condensation separation of equipment under the condition that the cooling separation device tank (14) contains condensation equipment (15) and an operating device (16) thereof, and condensed liquid enters a condensed liquid collection device (18). The whole system is provided with a sewage draining outlet (10), so that the system can be cleaned regularly.
Claims (4)
1. A solid-liquid-gas separation system for improving the composition of WGSR gas after coal gasification is characterized in that coal gasification reaction and Water Gas Shift Reaction (WGSR) are associated, and early product pretreatment is carried out before the WGSR to obtain clean gas and liquid fuel, improve the utilization efficiency of coal gasification products and realize the safety guarantee of the WGSR process.
2. The coal gasification device is characterized in that the input of the coal gasification product and the output of the separation product are convenient, the three components of solid and liquid can be completely separated, the fuel after separation and purification is cleaner and safer to use, the coal gasification device comprises a coal gasification product input inlet (1), an input pipeline (4), a gas-solid separation cylinder body (12), a rotary drum (13) containing dense solid filtering blades is arranged in the gas-solid separation cylinder body (12), and the whole cylinder body is arranged on a stable four-corner bracket (7).
3. The device is characterized in that a main body of the gas-solid separation cylinder body (12) is driven to operate by a hollow bearing (2) and a rotating belt (5) under the starting of a variable frequency motor (3), the whole gas-solid separation cylinder body (12) rotates after materials are put into the cylinder body (13) containing compact solid filtering blades, pressure is formed by rotation of the cylinder body to promote gas-solid separation, gas stripped under the action of the pressure is separated from the cylinder body (13) and enters a gas cylinder area (6) to further enable the gas-solid to be separated independently, the gas-solid can be fully separated by the rotation of the bearing, a solid collecting device (11) supported by a fixed support (9) is arranged on the lower side of the cylinder body (12), and solid matter can be collected and cleaned through a valve (8).
4. A method according to claim 3, characterized in that the separated gaseous substances continue to pass through the channels into the cooling separator tank (14) by means of pressure, the cooling and separating device tank (14) comprises a condensing device (15) and an operating device (16) thereof, non-condensable gas enters a gas collecting device through a gas outlet (17) after condensation separation of the device, condensed liquid enters a condensed liquid collecting device (18), the whole system is provided with a sewage outlet (10) to facilitate periodic cleaning of the system, effectively and reasonably improves the solid-liquid gas composition in the process of better treating the separation of the coal gasification product, can provide the premise guarantee of safety and cleanness for WGSR reaction, further improving the WGS reaction efficiency, protecting the environment, being safe and effective in the industrial process of preparing hydrogen by WGSR and providing valuable reference for the WGSR.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110646089.9A CN113234493A (en) | 2021-06-10 | 2021-06-10 | Improve gaseous solid-liquid-gas separation system who constitutes of WGSR behind coal gasification |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110646089.9A CN113234493A (en) | 2021-06-10 | 2021-06-10 | Improve gaseous solid-liquid-gas separation system who constitutes of WGSR behind coal gasification |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100992868B1 (en) * | 2010-06-28 | 2010-11-09 | (주)대우건설 | Gasification method and apparatus for generating hydrogen by recycling carbon dioxide separated from psa |
| WO2014004646A1 (en) * | 2012-06-26 | 2014-01-03 | Lummus Technology Inc. | Two stage gasification with dual quench |
| CN104593037A (en) * | 2014-12-19 | 2015-05-06 | 中美新能源技术研发（山西）有限公司 | Composite coal hydrogenation oil refining reactor and oil refining method |
| CN105688567A (en) * | 2016-03-05 | 2016-06-22 | 吉首大学 | Drum type dust removal device with induced draft fan convenient to disassemble |
| CN108203077A (en) * | 2016-12-16 | 2018-06-26 | 惠州市绿孔雀科技股份有限公司 | A kind of raw gas conversion process |
-
2021
- 2021-06-10 CN CN202110646089.9A patent/CN113234493A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100992868B1 (en) * | 2010-06-28 | 2010-11-09 | (주)대우건설 | Gasification method and apparatus for generating hydrogen by recycling carbon dioxide separated from psa |
| WO2014004646A1 (en) * | 2012-06-26 | 2014-01-03 | Lummus Technology Inc. | Two stage gasification with dual quench |
| CN104593037A (en) * | 2014-12-19 | 2015-05-06 | 中美新能源技术研发（山西）有限公司 | Composite coal hydrogenation oil refining reactor and oil refining method |
| CN105688567A (en) * | 2016-03-05 | 2016-06-22 | 吉首大学 | Drum type dust removal device with induced draft fan convenient to disassemble |
| CN108203077A (en) * | 2016-12-16 | 2018-06-26 | 惠州市绿孔雀科技股份有限公司 | A kind of raw gas conversion process |
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Application publication date: 20210810 |