CN205275531U - Continuous gasification equipment of pressurization fixed bed pure oxygen - Google Patents
Continuous gasification equipment of pressurization fixed bed pure oxygen Download PDFInfo
- Publication number
- CN205275531U CN205275531U CN201521079543.3U CN201521079543U CN205275531U CN 205275531 U CN205275531 U CN 205275531U CN 201521079543 U CN201521079543 U CN 201521079543U CN 205275531 U CN205275531 U CN 205275531U
- Authority
- CN
- China
- Prior art keywords
- pure oxygen
- fixed bed
- fixed
- water
- continuous gasification
- 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 pressurization 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, 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. Adopt the utility model discloses carry on that fixed bed pure oxygen continuous gasification does not have exhaust emission, does not adapt to multiple coal quality, the product need not the gas holder and can directly deliver to the low reaches user.
Description
Technical field
This utility model belongs to Coal Gasification Technology field, is specifically related to a kind of pressurization static 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. Current atmospheric gasification mainly has air+steam and two kinds of techniques of oxygen enrichment+steam, in both technique, effective Gas content of gasification gas is all relatively low, and generally all below 75%, final coal gas is normal pressure, need to arrange gas holder to carry out cushioning and storing, need when downstream user uses to carry out supercharging.
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.
At present, existing gasification technology has atmospheric gasification and pressurized gasification, and but without the pressurized gasification technology matched with existing synthesis ammonia methanol industry, the energy consumption of synthesis ammonia methanol basis chemical industry remains high always.
Utility model content
The purpose of this utility model is to provide a kind of non-exhaust emission, adapts to multiple ature of coal, product can be fed directly to the pressurization static bed pure oxygen continuous gasification device of downstream user without gas holder.
For achieving the above object, the technical solution adopted in the utility model is, a kind of pressurization static 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; 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 pressurization static bed pure oxygen continuous gasification device also includes drum, and drum is respectively arranged with feed pipe, outlet pipe, return duct; Outlet pipe, water-cooling wall, return duct are sequentially connected in series; The top of water cooler is connected with feed pipe, and the bottom of water cooler is connected to cooling water inlet pipe.
Described cleaner unit is cyclone dust extractor, and heat exchanger is heat exchange of heat 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.
Utilize the pure oxygen continuous gasification process of described pressurization static bed pure oxygen continuous gasification device, comprise the following steps: feed coal is joined in feed bin, by entering in fixed bed coal gasifier after anti-bias current device; Oxygen, carbon dioxide, overheated (water) steam are respectively fed in gas mixer to mix, subsequently into the bottom of 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, and the gasification gas after scrubber washs is discharged from scrubber top.
Preferably, the pressure in fixed bed coal gasifier is 0.1 ~ 0.2MPa.
Described feed coal is coke, anthracite block coal or moulded coal.
In this utility model, in gasification gas composition, CO proportion adjustment ranges for 40%-65%, H2Proportion adjustment range for 5%-40%, three kinds of gasifying agents (by oxygen, carbon dioxide, superheated steam) can carry out proportion adjustment according to the composition of demand gas.
What this utility model produced has the technical effect that simple in construction of the present utility model, adopts pressurization static bed pure oxygen continuous gasification device of the present utility model, with CO2, pure oxygen and vapour mixture be gasifying agent, adopt pressurization static bed pure oxygen continuous gasification technology, steam decomposition rate is high, and effective gas composition is high, CO+H2> 82%; Adopt this utility model, under 0.1 ~ 0.2MPa, coal is carried out gasification reaction, from the gasification gas of fixed bed coal gasifier discharge without to compress, can directly be sent to clean unit, save bigger power consumption, go out gasification gas from scrubber top row need not store by institute's cabinet, it is possible to be directly sent to downstream user. The present invention has widened the raw material route of coal gasification, and can adopt coke, anthracite block coal or moulded coal etc. is gasified raw material coal, and the prescription of coal is relatively low. Employing this utility model can 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 pressurization static 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 pressurization static bed pure oxygen continuous gasification device, 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; 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.
Described pressurization static bed pure oxygen continuous gasification device 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 bottom fixed bed coal gasifier, enter 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 0.15MPa; 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 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.
In the present embodiment, the gasification gas after scrubber 4 washing is directly picked to downstream user, it is not necessary to gas holder. CO and H in this gasification gas2Content 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 0.1MPa, 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 0.2MPa, and described feed coal is moulded coal.
Claims (4)
1. a pressurization static 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; 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. pressurization static 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. pressurization static 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. pressurization static 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, bottom is cylindric.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521079543.3U CN205275531U (en) | 2015-12-23 | 2015-12-23 | Continuous gasification equipment of pressurization fixed bed pure oxygen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521079543.3U CN205275531U (en) | 2015-12-23 | 2015-12-23 | Continuous gasification equipment of pressurization fixed bed pure oxygen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205275531U true CN205275531U (en) | 2016-06-01 |
Family
ID=56060124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521079543.3U Active CN205275531U (en) | 2015-12-23 | 2015-12-23 | Continuous gasification equipment of pressurization fixed bed pure oxygen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205275531U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112520695A (en) * | 2020-12-14 | 2021-03-19 | 河南骏化发展股份有限公司 | Process for improving catalyst activity and saving steam by adjusting steam drum pressure |
-
2015
- 2015-12-23 CN CN201521079543.3U patent/CN205275531U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112520695A (en) * | 2020-12-14 | 2021-03-19 | 河南骏化发展股份有限公司 | Process for improving catalyst activity and saving steam by adjusting steam drum pressure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10208948B2 (en) | Solid fuel grade gasification-combustion dual bed poly-generation system and method thereof | |
| RU2583785C1 (en) | Method and system for efficient combined-cycle cogeneration based on gasification and methanation of biomass | |
| CN102559266B (en) | Method for producing water gas by pure oxygen continuous gasification in fixed bed | |
| CN103980094A (en) | Process for preparing methanol from tail gas of calcium carbide furnace | |
| WO2014023149A1 (en) | Method and device for biomass gasification by cycling of carbon dioxide without oxygen | |
| CN101550361A (en) | Under nozzle-type entrained flow gasification shock chilling device and shock chilling technology | |
| CN101586040A (en) | Adopt the two-part pressure gasification process of carbon dioxide gasification | |
| CN205275530U (en) | Continuous gasification equipment of fixed bed pure oxygen | |
| CN205275531U (en) | Continuous gasification equipment of pressurization fixed bed pure oxygen | |
| CN208182929U (en) | A kind of system by gasification and electrolysis coupling symphysis production of synthetic gas | |
| CN110980646A (en) | System and method for preparing hydrogen from liquefied natural gas with CCS | |
| 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 | |
| CN110240943B (en) | Process and device for preparing synthesis gas by combined feeding | |
| CN109385313A (en) | A kind of raw gas washing process | |
| CN105567332B (en) | A kind of pressurization static bed pure oxygen continuous gasification device and technique for adapting to a variety of coals quality | |
| CN106929107B (en) | With coke cutting gasification combination oven gas partial oxidation and dry reforming inhibition and generation chemical product system | |
| CN108059977B (en) | Near zero emission and CO (carbon monoxide)2Resource utilization fossil energy utilization method | |
| CN204022766U (en) | A kind of hard coal segmentation pyrolysis sub-prime use device without discharge | |
| CN203639435U (en) | Device for combining normal temperature/low temperature methanol washing to process crude synthesis gas containing oil | |
| CN202208705U (en) | Device for preparing synthesis gas or hydrogen through BGL pressurizing molten slag gasification with pure oxygen non-catalytic partial oxidation | |
| CN202187012U (en) | Device for enriching and using gas at top of blast furnace | |
| CN100580061C (en) | Dual fluidized bed gasification-combustion coupling equipment for preparing synthesis gas with high concentration from solid fuel | |
| CN211545947U (en) | System for liquefied natural gas with CCS prepares hydrogen | |
| CN205999299U (en) | A kind of ammonia from coal, coal process of acetic acid reduce discharging the combined unit of CO2 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171114 Address after: No. 66 Zhumadian City, Henan province 463000 Station Road Patentee after: HENAN SHUNDA CHEMICAL SCIENCE & TECHNOLOGY CO.,LTD. Address before: 463002 No. 439 east section of Zhonghua Road, Henan, Zhumadian Patentee before: HENAN JUNHUA DEVELOPMENT Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 463005 No. 66 east side of Yicheng Avenue, Zhumadian, Henan. Patentee after: HENAN SHUNDA NEW ENERGY TECHNOLOGY Co.,Ltd. Address before: 463005 No. 66 east side of Yicheng Avenue, Zhumadian, Henan. Patentee before: Henan Shunda new energy Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 463005 No. 66 east side of Yicheng Avenue, Zhumadian, Henan. Patentee after: Henan Shunda new energy Co.,Ltd. Address before: No. 66, Yicheng Avenue, Zhumadian, Henan Province, Henan Patentee before: HENAN SHUNDA CHEMICAL SCIENCE & TECHNOLOGY CO.,LTD. |