CN205275530U - Continuous gasification equipment of fixed bed pure oxygen - Google Patents
Continuous gasification equipment of fixed bed pure oxygen Download PDFInfo
- Publication number
- CN205275530U CN205275530U CN201521079252.4U CN201521079252U CN205275530U CN 205275530 U CN205275530 U CN 205275530U CN 201521079252 U CN201521079252 U CN 201521079252U CN 205275530 U CN205275530 U CN 205275530U
- Authority
- CN
- China
- Prior art keywords
- fixed bed
- pure oxygen
- gas
- water
- coal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Industrial Gases (AREA)
Abstract
The utility model belongs to a continuous gasification equipment of fixed bed pure oxygen, including gas mixing ware, fixed -bed coal gasification stove, dust remover, heat exchanger and the gas scrubbing tower who establishes ties in proper order, gas scrubbing tower's top is connected with the gas holder, and fixed -bed coal gasification stove top is provided with the feed bin, is provided with in the fixed -bed coal gasification stove and prevents the bias flow device, the bottom of feed bin and the top intercommunication of preventing the bias flow device, the outside of fixed -bed coal gasification stove is provided with the water -cooling wall, and the outside of dust remover is provided with water chiller. The utility model has the advantages of simple structure, the coal gas quality of preparation is high, and can adapt to multiple coal quality.
Description
Technical field
The invention belongs to Coal Gasification Technology field, be specifically related to a kind of fixing bed pure oxygen continuous gasification device.
Background technology
At present, existing pure oxygen continuous gasification process is usually with secondary metallurgical, carbon dioxide, pure oxygen for gasified raw material, and at high temperature, red-hot carbon and carbon dioxide generation redox reaction produce raw gas (CO:68��70%, CO2: 28��29%, H2+N2: 1��1.2%), prepare qualified synthesis gas synthesis associated downstream product then through purifying, converting. But, at a relatively high (the fugitive constituent about 1% of ingredient requirement that this technique uses, fixed carbon about 82.5%, two grades of burnt standards of country), cost also high (two grades burnt market price 1800-2000 yuan/ton, and low-order coal in ground 500-700 yuan/ton), this technique only produce carbon monoxide be suitable for, if demand hydrogen, it is also performed to the conversion of unstripped gas.
Present stage China's atmospheric gasification technique is all based on anthracite, has lump coal, moulded coal etc., due to technologic defect, the conversion efficiency causing carbon content in coal is low, after gasification, in lime-ash, the content of carbon residue is higher, is typically between 8-15%, and the residual carbon content that technique occurs during fluctuation in lime-ash can be higher.
At present, any gasifying process all can be attended by CO2The generation of gas, current technique be all through after recycle after operation separating treatment or to another one device, or to airborne release, cause environmental pollution, energy waste. Prominent along with environmental problem, CO2Emission reduction work is particularly important, how to optimize gasifying process, reduces CO2Generation, it is achieved CO2Recycle to be one of the important development direction of China's Environmental Technology.
Utility model content
It is an object of the invention to provide and a kind of prepare high-quality coal gas, adapt to the fixing bed pure oxygen continuous gasification device of multiple ature of coal.
For achieving the above object, the technical solution adopted in the utility model is, a kind of fixing bed pure oxygen continuous gasification device, including the gas mixer being sequentially connected in series, fixed bed coal gasifier, cleaner unit, heat exchanger and scrubber; The top of scrubber is connected to gas holder, and fixed bed coal gasifier is provided above feed bin, and the top being provided with anti-bias current device, the bottom of feed bin and anti-bias current device in fixed bed coal gasifier connects; The arranged outside of fixed bed coal gasifier has water-cooling wall, and the arranged outside of cleaner unit has water cooler.
Described fixing bed pure oxygen continuous gasification device also includes drum, and drum is respectively arranged with feed pipe, outlet pipe and return duct; Outlet pipe, water-cooling wall, return duct are sequentially connected in series; The top of water cooler connects with feed pipe, and the bottom of water cooler is connected to cooling water inlet pipe.
Described anti-bias current device is hollow structure, upper, middle and lower be sequentially connected with and form, and top is frustum of a cone tubular, and middle part is the tubular of falling frustum of a cone, and bottom is cylindric.
Described cleaner unit is cyclone dust extractor, and heat exchanger is heat exchange of heat pipe.
The pure oxygen continuous gasification process of described device, comprises the following steps: joined by feed coal in feed bin, by entering in fixed bed coal gasifier after anti-bias current device; Oxygen (purity more than 99.6%), carbon dioxide, overheated (water) steam are respectively fed in gas mixer to mix, bottom fixed bed coal gasifier, then enter fixed bed coal gasifier, the feed coal gasification that will fall from anti-bias current device; The gasification gas entrance cleaner unit discharged from fixed bed coal gasifier carries out dedusting, and the gasification gas after dedusting enters scrubber after heat exchanger heat exchange; Scrubber wash after gasification gas from scrubber top discharge laggard enter gas holder.
Preferably, the pressure in fixed bed coal gasifier is 20 ~ 80kPa.
Described feed coal is coke, anthracite block coal or moulded coal.
What this utility model produced has the technical effect that simple in construction of the present utility model, and employing this utility model can with CO2, pure oxygen and vapour mixture be gasifying agent, adopt fixing bed pure oxygen continuous gasification technology, steam decomposition rate is high, and effective gas composition is high, CO+H2> 82%; Utilize this utility model, adopt 99.6% pure oxygen, substantially increase smokeless coal gasification rate, make lime-ash remaining carbon��2% that gasification furnace discharges, significantly reduce consumption of raw materials, improve raw material trans-utilization rate; Effectively reducing latent heat losses and sensible heat loss, improve fixed bed coal gasifier converting heat utilization rate, cold gas efficiency reaches 80 ~ 82%, protects environment; This utility model has widened the raw material route of coal gasification, and can adopt coke, anthracite block coal or moulded coal is gasified raw material coal, and feed coal does not have very special quality requirement; By CO2Gasify as gasifying agent, be converted into CO available gas, there is significant environmental benefit and economic benefit.
Accompanying drawing explanation
Fig. 1 is the structural representation of the fixing bed pure oxygen continuous gasification device of embodiment 1;
Fig. 2 is the structural representation of anti-bias current device in Fig. 1.
Detailed description of the invention
Embodiment 1
Below in conjunction with specific embodiment, the utility model is described in further detail, but protection domain of the present utility model is not limited to this.
As shown in Figure 1-2, a kind of fixing bed pure oxygen continuous gasification device adapting to multiple ature of coal, including the gas mixer 6 being sequentially connected in series, fixed bed coal gasifier 1, cyclone dust extractor 2, heat exchange of heat pipe 3 and scrubber 4; The top of scrubber 4 is connected to gas holder 18, and fixed bed coal gasifier 1 is provided above feed bin 12, and the top being provided with anti-bias current device 13, the bottom of feed bin 12 and anti-bias current device 13 in fixed bed coal gasifier 1 is connected by flange; The arranged outside of fixed bed coal gasifier 1 has water-cooling wall 14, and the arranged outside of cyclone dust extractor 2 has water cooler 15.
The fixing bed pure oxygen continuous gasification device of the multiple ature of coal of described adaptation also includes drum 7, and drum 7 is respectively arranged with feed pipe 10, outlet pipe 8, return duct 9; Outlet pipe 8, water-cooling wall 14, return duct 9 are sequentially connected in series; The upper outlet of water cooler 15 is connected with feed pipe 10, and the lower inlet of water cooler 15 is connected to cooling water inlet pipe 17.
Described anti-bias current device 13 is hollow, is sequentially connected with is formed by top 1301, middle part 1302, bottom 1303, and top 1301 is frustum of a cone tubular, and middle part 1302 is the tubular of falling frustum of a cone, and bottom 1303 is cylindric.
Described scrubber 4 top is connected to washings water inlet pipe 16, and scrubber 4 bottom is connected to lithium bromide cooling-water machine group 5.
Pure oxygen continuous gasification process, comprises the following steps: joined by feed coal in feed bin 12, by entering in fixed bed coal gasifier 1 after anti-bias current device 13; Oxygen, carbon dioxide, overheated (water) steam are respectively fed in gas mixer 6 to mix, then enter bottom fixed bed coal gasifier 1 fixed bed coal gasifier 1, the feed coal gasification that will fall from anti-bias current device 13, the pressure in fixed bed coal gasifier is 40kPa; The gasification gas entrance cyclone dust extractor 2 discharged from fixed bed coal gasifier 1 carries out dedusting, gasification gas after dedusting enters scrubber 4 after heat exchange of heat pipe 3 heat exchange, after the water washing entered from washings water inlet pipe 16 in scrubber 4, gasification gas is discharged to gas holder 18 from scrubber 4 top, and the washings obtained bottom scrubber 4 then enter and carry out Exposure degree in lithium bromide cooling-water machine group 5. Described feed coal is coke.
The cooling water (desalted water) entered from cooling water inlet pipe 17 enters the lower inlet of water cooler 15, enters in water cooler 15, then flows out from the upper outlet of water cooler 15, enter in bubble 7 then through feed pipe 10; In bubble 7, water enters in water-cooling wall 14 through outlet pipe 8, is back in bubble through return duct 9 after fixed bed coal gasifier 1 is carried out heat exchange.
CO and H in the gasification gas prepared in the present embodiment2Content can reach more than 80%, and in coal gas composition, CO proportion adjustment ranges for 40%-65%, H2Proportion adjustment range for 5%-40%, through the techniques such as conversion, purification further deepen process can as the unstripped gas of multiple chemical products.
Embodiment 2
Embodiment 2 and embodiment 1 are different in that, the pressure in described fixed bed coal gasifier is 20kPa, and described feed coal is anthracite block coal.
Embodiment 3
Embodiment 3 and embodiment 1 are different in that, the pressure in described fixed bed coal gasifier is 80kPa, and described feed coal is moulded coal.
Claims (4)
1. a fixing bed pure oxygen continuous gasification device, it is characterised in that include the gas mixer, fixed bed coal gasifier, cleaner unit, heat exchanger and the scrubber that are sequentially connected in series; The top of scrubber is connected to gas holder, and fixed bed coal gasifier is provided above feed bin, and the top being provided with anti-bias current device, the bottom of feed bin and anti-bias current device in fixed bed coal gasifier connects; The arranged outside of fixed bed coal gasifier has water-cooling wall, and the arranged outside of cleaner unit has water cooler.
2. fixing bed pure oxygen continuous gasification device as claimed in claim 1, it is characterised in that also include drum, drum is respectively arranged with feed pipe, outlet pipe and return duct; Outlet pipe, water-cooling wall, return duct are sequentially connected in series; The top of water cooler connects with feed pipe, and the bottom of water cooler is connected to cooling water inlet pipe.
3. fixing bed pure oxygen continuous gasification device as claimed in claim 1, it is characterised in that described cleaner unit is cyclone dust extractor, and heat exchanger is heat exchange of heat pipe.
4. fixing bed pure oxygen continuous gasification device as claimed in claim 1, it is characterised in that described anti-bias current device is hollow structure, upper, middle and lower be sequentially connected with and form, and top is circular cone tubular, and middle part is inverted cone tubular, and bottom is cylindric.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521079252.4U CN205275530U (en) | 2015-12-23 | 2015-12-23 | Continuous gasification equipment of fixed bed pure oxygen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521079252.4U CN205275530U (en) | 2015-12-23 | 2015-12-23 | Continuous gasification equipment of fixed bed pure oxygen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205275530U true CN205275530U (en) | 2016-06-01 |
Family
ID=56060123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521079252.4U Active CN205275530U (en) | 2015-12-23 | 2015-12-23 | Continuous gasification equipment of fixed bed pure oxygen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205275530U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107892950A (en) * | 2017-11-08 | 2018-04-10 | 中科合肥煤气化技术有限公司 | A kind of high temperature heating gas waste-heat recovery device |
| CN109054909A (en) * | 2018-09-20 | 2018-12-21 | 李洁 | A kind of coal chemical industry flue gas cool-down dust removal method |
-
2015
- 2015-12-23 CN CN201521079252.4U patent/CN205275530U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107892950A (en) * | 2017-11-08 | 2018-04-10 | 中科合肥煤气化技术有限公司 | A kind of high temperature heating gas waste-heat recovery device |
| CN109054909A (en) * | 2018-09-20 | 2018-12-21 | 李洁 | A kind of coal chemical industry flue gas cool-down dust removal method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101739494B1 (en) | Gas-steam efficient cogeneration process and system based on biomass gasification and methanation | |
| US10208948B2 (en) | Solid fuel grade gasification-combustion dual bed poly-generation system and method thereof | |
| CN102079685B (en) | Coal gasification process for methane preparation by two stage gasification stove | |
| JP5965073B2 (en) | Oxygen-free gasification method and apparatus by circulating carbon dioxide in biomass fuel | |
| CN102559266B (en) | Method for producing water gas by pure oxygen continuous gasification in fixed bed | |
| CN101063050B (en) | Coal gas production method | |
| CN108048140B (en) | Method and device for co-producing oil gas by pyrolysis and gasification coupling | |
| CN101550361A (en) | Under nozzle-type entrained flow gasification shock chilling device and shock chilling technology | |
| CN202898362U (en) | Partially chilled dry pulverized coal or coal water slurry gasification system | |
| CN205275530U (en) | Continuous gasification equipment of fixed bed pure oxygen | |
| CN103980946B (en) | A kind of anthracite segmentation pyrolysis sub-prime Application way without discharge and device | |
| CN103980949B (en) | A kind of without discharge high-volatile feed coal segmentation pyrolysis sub-prime Application way and device | |
| CN103232857B (en) | A kind of CO 2the coal-based electric power of zero release and chemicals joint process | |
| CN205275531U (en) | Continuous gasification equipment of pressurization fixed bed pure oxygen | |
| CN109385313A (en) | A kind of raw gas washing process | |
| CN204022766U (en) | A kind of hard coal segmentation pyrolysis sub-prime use device without discharge | |
| CN105567332B (en) | A kind of pressurization static bed pure oxygen continuous gasification device and technique for adapting to a variety of coals quality | |
| CN114015473A (en) | Method and device for producing 1.0-2.2 MPa water gas by pure oxygen pressurization | |
| CN105542860B (en) | A kind of fixed bed pure oxygen continuous gasification device and technique for adapting to a variety of coals quality | |
| CN209685705U (en) | A kind of fixed bed low pressure pure oxygen continuous gasification preparing synthetic gas system | |
| CN204589098U (en) | Utilize the pyrolysis of coal system of spouted bed bioreactor | |
| CN201376958Y (en) | Gasifying and chilling device for airflow bed | |
| CN102617263A (en) | Method for preparing acetylene by using coke-oven gas | |
| CN206318952U (en) | " three high " poor quality powder coal gasification furnace and process system | |
| CN106929107B (en) | With coke cutting gasification combination oven gas partial oxidation and dry reforming inhibition and generation chemical product system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171122 Address after: No. 66 Zhumadian City, Henan province 463000 Station Road Patentee after: Henan Shunda Chemical Industry Science Co., Ltd Address before: 463002 No. 439 east section of Zhonghua Road, Henan, Zhumadian Patentee before: Henan Junhua Development Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| CP03 | Change of name, title or address |
Address after: 463005 No. 66 east side of Yicheng Avenue, Zhumadian, Henan. Patentee after: Henan Shunda Amperex Technology Limited Address before: No. 66, Yicheng Avenue, Zhumadian, Henan Province, Henan Patentee before: Henan Shunda Chemical Industry Science Co., Ltd |
|
| CP03 | Change of name, title or address |