CN201959703U - Carbon dioxide recovery device for alkali recovery system in pulping process - Google Patents
Carbon dioxide recovery device for alkali recovery system in pulping process Download PDFInfo
- Publication number
- CN201959703U CN201959703U CN2010206573324U CN201020657332U CN201959703U CN 201959703 U CN201959703 U CN 201959703U CN 2010206573324 U CN2010206573324 U CN 2010206573324U CN 201020657332 U CN201020657332 U CN 201020657332U CN 201959703 U CN201959703 U CN 201959703U
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- CN
- China
- Prior art keywords
- carbon dioxide
- absorption tower
- steam
- pulping process
- water separator
- 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.)
- Expired - Fee Related
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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
- Y02P20/151—Reduction of greenhouse gas [GHG] emissions, e.g. CO2
Abstract
The utility model relates to a carbon dioxide recovery device for an alkali recovery system in a pulping process. The carbon dioxide recovery device comprises an absorption tower, a steam separator and a Roots blower, wherein a first layer of padding, a second layer of padding, a spraying device and a filter are arranged in the absorption tower at intervals from the bottom down; the smoke from a combustion workshop is led into the absorption tower through a smoke pipeline; a smoke outlet at the top of the absorption tower is connected to an air inlet pipe of the steam separator through a pipeline; the upper end of a central pipe extends out of the top of the steam separator and is connected to the Roots blower; a draining pipe is arranged at the lower part of the steam separator; and an outlet of the Roots blower is connected to a light calcium workshop through the pipeline. In the utility model, by recovering the carbon dioxide in the smoke discharged from the combustion workshop, the carbon dioxide emission can be reduced and the purpose of recycling wastes is achieved. And meanwhile, the recovered carbon dioxide can be used for preparing light calcium carbonate, the white mud generated in the pulping process is recovered, so as to reduce pollutant discharge and lower the production cost of the light calcium carbonate.
Description
Technical field
The utility model relates to black liquor of pulp making soda recovery unit in the straw or like vegetable fibrous raw material pulping process, specifically is a kind of carbon dioxide recovering apparatus that is used for the pulping process chemical recovery system.
Background technology
Because the silicone content of straw pulp white clay is higher and the existence of sodium salt, its recovery can not can directly be sintered into the lime reuse as pure wood pulp white clay, contain a large amount of calcium carbonate resources in the straw pulp white clay, can prepare precipitated calcium carbonate by alkali recovery white slime, reclaim fine particle calcium carbonate and can thoroughly eliminate the secondary pollution that white clay produces.Need the raw materials for production carbon dioxide in the precipitated calcium carbonate process, cause Production of Light Calcium Carbonate cost height utilizing white clay to prepare; Do not obtain utilizing and contain a large amount of carbon dioxide in the flue gas that in the combustion plant of pulping process, produces at present, environment is polluted.
Summary of the invention
The purpose of this utility model is to provide a kind of carbon dioxide recovering apparatus that is used for the pulping process chemical recovery system, described this carbon dioxide recovering apparatus will solve straw pulp pulping process discharged flue gas contaminated environment in the prior art, causes the high technical problem of Production of Light Calcium Carbonate cost simultaneously.
The purpose of this utility model is achieved through the following technical solutions: it is by the absorption tower, steam-water separator and roots blower constitute, the compartment of terrain is provided with the first road filler from the bottom to top in the absorption tower, the second road filler, spray equipment is with filter, flue gas from combustion plant inserts the absorption tower by flue, the interface on this flue and absorption tower is located at filler below, first road, spray equipment is connected with water pump by water pipe, the bottom, absorption tower is provided with a water pipe and is connected with another water pump, the outlet of this another water pump links to each other with slip house, the exhanst gas outlet at top, absorption tower is connected with the air inlet pipe of steam-water separator by pipeline, steam-water separator is cylindrical, this air inlet pipe is along the tangential direction setting of steam-water separator, be provided with central tube in the steam-water separator with its intracavity inter-connection, the central tube upper end is stretched out the steam-water separator top and is connected with roots blower by pipeline, the steam-water separator bottom is provided with drainpipe, and the roots blower outlet links to each other with the fine particle calcium carbonate workshop by pipeline.
The first road filler is ceramic Pall ring.
The second road filler is the multiaspect hollow ball.
Spray equipment is made of one group of single swirl flow nozzle.
The utility model is compared with prior art, and its effect is actively with tangible.The utility model reclaims the carbon dioxide in the discharging flue gas of combustion plant at the carbon dioxide recovering apparatus that is used for the pulping process chemical recovery system, but one side reducing emission of carbon dioxide, can reduce discharging about 1500 tons every year, the realization changing rejected material to useful resource is recycling, the carbon dioxide of Hui Shouing can be used for preparing precipitated calcium carbonate simultaneously, reclaims the white clay that produces in the pulping process, reduces pollutant emission, reduce the production cost of precipitated calcium carbonate simultaneously, have remarkable economic efficiency.
Description of drawings
Fig. 1 uses the structural representation that the utility model is used for the carbon dioxide recovering apparatus of pulping process chemical recovery system.
Fig. 2 is the single swirl flow nozzle structural representation in the utility model.
The specific embodiment
The utility model is described in further detail by embodiment below in conjunction with accompanying drawing.
As depicted in figs. 1 and 2, in the present embodiment, this carbon dioxide recovering apparatus of pulping process chemical recovery system that is used for is by absorption tower 1, steam-water separator 2 and roots blower 3 constitute, the compartment of terrain is provided with the first road filler 11 from the bottom to top in absorption tower 1, the second road filler 12, spray equipment 13 is with filter 14, the first road filler 11 is ceramic Pall rings, the second road filler 12 is multiaspect hollow balls, spray equipment 13 is made of one group of single swirl flow nozzle, flue gas from combustion plant inserts absorption tower 1 by flue 4, this flue 4 is located at the first road filler, 11 belows with the interface on absorption tower 1, spray equipment 13 is connected with water pump 5 by water pipe, the water inlet pipe of water pump 5 links to each other with clear water reserviors, 1 bottom, absorption tower is provided with a water pipe and is connected with another water pump 6, the outlet of this another water pump 6 links to each other with slip house, the exhanst gas outlet at top, absorption tower is connected with the air inlet pipe 21 of steam-water separator 2 by pipeline, steam-water separator 2 is cylindrical, this air inlet pipe 21 is along the tangential direction setting of steam-water separator 2, be provided with central tube 22 in the steam-water separator 2 with its intracavity inter-connection, central tube 22 upper ends are stretched out steam-water separator 2 tops and are connected with roots blower 3 by pipeline, steam-water separator 2 bottoms are provided with drainpipe 23, and roots blower 3 outlets link to each other with the fine particle calcium carbonate workshop by pipeline.
During concrete work, enter the bottom, absorption tower from the cleaning flue gases that comes 80 degree between burning connects, purify again with filter through one ceramic Pall ring, one multiaspect hollow ball, flue gas cool-down to 40 is spent from one group of Fan spray head that the next clear water of clear water reserviors is delivered to the top, absorption tower by water pump.The warm water that purified flue gas is delivered to slip house by another water pump and is utilized.The flue gas that comes out from the absorption tower enters steam-water separator then and removes moisture content the flue gas, by following drainpipe the moisture content of removing is discharged, and the flue gas of Chu Liing is delivered to the fine particle calcium carbonate carbonization by roots blower once more.
Claims (4)
1. carbon dioxide recovering apparatus that is used for the pulping process chemical recovery system, it is characterized in that: it is by the absorption tower, steam-water separator and roots blower constitute, the compartment of terrain is provided with the first road filler from the bottom to top in the absorption tower, the second road filler, spray equipment is with filter, flue gas from combustion plant inserts the absorption tower by flue, the interface on this flue and absorption tower is located at filler below, first road, spray equipment is connected with water pump by water pipe, the bottom, absorption tower is provided with a water pipe and is connected with another water pump, the outlet of this another water pump links to each other with slip house, the exhanst gas outlet at top, absorption tower is connected with the air inlet pipe of steam-water separator by pipeline, steam-water separator is cylindrical, this air inlet pipe is along the tangential direction setting of steam-water separator, be provided with central tube in the steam-water separator with its intracavity inter-connection, the central tube upper end is stretched out the steam-water separator top and is connected with roots blower by pipeline, the steam-water separator bottom is provided with drainpipe, and the roots blower outlet links to each other with the fine particle calcium carbonate workshop by pipeline.
2. the carbon dioxide recovering apparatus that is used for the pulping process chemical recovery system as claimed in claim 1 is characterized in that: the first road filler is ceramic Pall ring.
3. the carbon dioxide recovering apparatus that is used for the pulping process chemical recovery system as claimed in claim 1 is characterized in that: the second road filler is the multiaspect hollow ball.
4. the carbon dioxide recovering apparatus that is used for the pulping process chemical recovery system as claimed in claim 1 is characterized in that: spray equipment is made of one group of single swirl flow nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206573324U CN201959703U (en) | 2010-12-14 | 2010-12-14 | Carbon dioxide recovery device for alkali recovery system in pulping process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206573324U CN201959703U (en) | 2010-12-14 | 2010-12-14 | Carbon dioxide recovery device for alkali recovery system in pulping process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201959703U true CN201959703U (en) | 2011-09-07 |
Family
ID=44522225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206573324U Expired - Fee Related CN201959703U (en) | 2010-12-14 | 2010-12-14 | Carbon dioxide recovery device for alkali recovery system in pulping process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201959703U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102718373A (en) * | 2011-11-01 | 2012-10-10 | 山东大学 | Method for treating white mud produced by papermaking and use of the white mud treated by the method in removal of CO2 in tail flue gas from coal-fired boiler |
| CN103341314A (en) * | 2013-07-29 | 2013-10-09 | 新疆宜化化工有限公司 | Synthesis ammonia pre-reaction device |
-
2010
- 2010-12-14 CN CN2010206573324U patent/CN201959703U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102718373A (en) * | 2011-11-01 | 2012-10-10 | 山东大学 | Method for treating white mud produced by papermaking and use of the white mud treated by the method in removal of CO2 in tail flue gas from coal-fired boiler |
| CN103341314A (en) * | 2013-07-29 | 2013-10-09 | 新疆宜化化工有限公司 | Synthesis ammonia pre-reaction device |
| CN103341314B (en) * | 2013-07-29 | 2015-11-18 | 新疆宜化化工有限公司 | Synthetic ammonia pre-reaction device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110907 Termination date: 20131214 |