CN201366313Y - Device for desulphurizing flue gas with carbide slags - Google Patents
Device for desulphurizing flue gas with carbide slags Download PDFInfo
- Publication number
- CN201366313Y CN201366313Y CNU2008201415897U CN200820141589U CN201366313Y CN 201366313 Y CN201366313 Y CN 201366313Y CN U2008201415897 U CNU2008201415897 U CN U2008201415897U CN 200820141589 U CN200820141589 U CN 200820141589U CN 201366313 Y CN201366313 Y CN 201366313Y
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- pump
- flue gas
- raw material
- carbide slag
- slurry
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Abstract
The utility model provides a device for desulphurizing flue gas with carbide slags, mainly comprising a raw material processing part, a flue gas desulphurizing part, a desulfurizing agent regenerating part and the like. The raw material processing part consists of a concentrating tank (13-1), a delivering pump (13-2), a carbide slag slurry container (13-3) and a carbide slag slurry delivering pump (13-4); the flue gas desulphurizing part comprises an absorbing tower (1), a pressurizing fan (2), a circulating slurry pump (3) and a Na2SO3 slurry discharging pump (4); the desulfurizing agent regenerating part comprises a regenerating reaction tank, a depositing tank (6), a buffering tank (7) and a reflux pump (8), wherein the depositing tank (6), the buffering tank (7) and the reflux pump (8) are connected in sequence, and the reflux pump (8) is arranged between the buffering tank (7) and the absorbing tower (1). The device can use the waste carbide slags as the supply of Ca(OH)2 to process the desulphurized slurry and use regenerating absorbent to remove SO2 in the flue gas in a circulating way, thereby comprehensively using the industrial waste.
Description
Affiliated technical field
The utility model relates to a kind of flue gas desulfur device, refers in particular to adopt carbide slag to carry out the flue gas desulfur device of regeneration cycle.
Background technology
At present, the soda that known calcium and sodium double alkali method desulfurizing adopts is soda ash or caustic soda, and what regenerative agent adopted usually is lime.As waste residue---the carbide slag of products such as industrial production acetylene, PVC discharging, its main component is calcium hydroxide (Ca (OH)
2).The long-term air storage of carbide slag meeting contaminated soil and phreatic water make the soil salinization and salinization of soil, and occupy a large amount of stacking places, influence environment.As a kind of innoxious disposal options, use carbide slag as Ca (OH)
2Aliment, not only can realize high desulfurization rate, and can reduce the production run cost, turn waste into wealth, realize the comprehensive utilization of resources of discarded object.
This technology comprises parts such as raw material processing, flue gas desulfurization and desulfurizing agent regeneration on concrete enforcement at present.Need prepare the waste carbide slag of discharging in the raw material processing section, make inner each content of material and form meet the requirement of whole device stable operation.
The utility model content
In order to realize that above use carbide slag is as Ca (OH)
2Aliment, by the comprehensive utilization of industrial waste, realize flue gas desulfurization, the utility model provides a kind for the treatment of apparatus that utilizes carbide slag to carry out flue gas desulfurization.
The technical scheme that its technical problem that solves the utility model adopts mainly comprises parts such as raw material processing, flue gas desulfurization and desulfurizing agent regeneration.
The raw material processing section is made up of concentration basin (13-1), delivery pump (13-2), carbide slag slurries flow container (13-3) and slag slurry delivery pump (13-4); Desulfurization partly comprises: absorption tower (1), booster fan (2) and recycle slurry liquid pump (3) and slurries excavationg pump (4); The desulfurizing agent regenerating section comprises: regenerative response groove (5) and the sedimentation basin (6), the Buffer Pool (7) that are provided with in turn and be arranged on Buffer Pool (7) and absorption tower (1) between reflux pump (8); Other parts also include: dewaterer (9), slag stock pump (12) and be arranged on dewaterer (9) below filtrate box (10), filtrate is squeezed into the filtrate pump (11) of sedimentation basin (6) as moisturizing; Be provided with flue between absorption tower (1) and the chimney (14).
Concentration basin (13-1) is a conical vessel.
The beneficial effects of the utility model are that it can use discarded carbide slag as Ca (OH)
2Aliment, handle the slurries after the desulfurization, absorbent regeneration, the SO in the circularly removing flue gas
2, realize the comprehensive utilization of industrial waste.
Concentration basin (13-1) adopts the conical vessel design, can effectively reduce precipitation.
This apparatus structure is simple, and the production run cost is low.
Description of drawings
Fig. 1 is the utility model general structure schematic diagram;
Fig. 2 is the utility model raw material processing section structure chart.
1. absorption towers among the figure, 2. booster fan, 3. recycle slurry liquid pump, 4. slurries excavationg pump, 5. regenerative response groove, 6. sedimentation basin, 7. Buffer Pool, 8. reflux pump, 9. dewaterer, 10. filtrate box, 11. filtrate pumps, 12. slag stock pumps, 13. pretreatment equipment, 13-1. concentration basin, 13-2. delivery pump, 13-3. the carbide slag slurries flow container, 13-4. slag slurry delivery pump, 14. chimneys
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further specified.
The utility model is achieved in that the middle adding of concentration basin (13-1) solid content in the raw material treatment facility is 18% carbide slag slurry 1, and 555kg/h adopts specific method that its solid content is brought up to 30%, makes Ca (OH)
2Concentration reach 85%, with after delivery pump (13-2) and carbide slag slurries flow container (13-3) are transported in the regenerative response groove (5) 300m that is sent by slurries excavationg pump (4) that produces with reaction in the flue gas desulfurization course by slag slurry delivery pump (13-4)
3/ h contains sodium sulfite (Na
2SO
3) desulfurization slurry carry out chemical reaction, with Na
2SO
3Be converted into the very little calcium sulfite (CaSO of solubility
30.5H
2O), the NaOH (NaOH) of regenerating simultaneously.Ca in the carbide slag slurry (OH)
2With Na
2SO
3Stoichiometric proportion be 1.03.Obtain in the regenerative response process supernatant liquor flow into Buffer Pool (7) through sedimentation basin (6), by reflux pump (8) with slurries with 308m
3The flow of/h is sent in the absorption tower (1) and is carried out circulation desulfurization, and CaSO is contained in lower floor
30.5H
2The slurries of O are sent to dewaterer (9) through slag stock pump (12).In flue gas desulfurization device, power-plant flue gas is sent into the middle and lower part of absorption tower (1) through booster fan (2), with the loop slurry counter current contacting of spray from top to bottom, and NaOH in the slurries and the SO in the flue gas
2Reaction obtains Na
2SO
3Slurries, the slurries major part is by recycle slurry liquid pump (3) circulated sprinkling, a part is delivered in the regenerative response groove (5) of desulfurizing agent regenerating section through slurries excavationg pumps (4); Flue gas is discharged by top, absorption tower (1) behind desulfurizing and purifying, is discharged by chimney (14) through flue.In accessory substance processed system, solid content CaSO
30.5H
2O separates with slurries, and filtrate is stored in filtrate box (10) and delivers to sedimentation basin (6) by filtrate pump (11), and a part can be used as system water supplement and gets back in the desulphurization system, and remaining filtrate is discharged after treatment.
The above-mentioned treating apparatus that utilizes carbide slag or carbide slag slurries to carry out flue gas desulfurization, the exhaust gas volumn of processing is 33,0000m
3/ h, SO in the flue gas
2Content is 2,100mg/m
3, contain SO through the flue gas after the desulfurizer processing
282mg/m
3, the desulfurization degree of device reaches more than 96.0%.
In conjunction with the accompanying drawings the specific embodiment of the present utility model has been carried out exemplary description above, obviously the utility model is not limited thereto, and the various remodeling that carry out in the utility model scope all do not exceed protection domain of the present utility model.
Claims (2)
1, the treating apparatus that utilizes carbide slag to carry out flue gas desulfurization mainly comprises parts such as raw material processing, flue gas desulfurization and desulfurizing agent regeneration; It is characterized in that described raw material processing section is made up of concentration basin (13-1), delivery pump (13-2), carbide slag slurries flow container (13-3) and slag slurry delivery pump (13-4); Described desulfurization partly comprises: absorption tower (1), booster fan (2) and recycle slurry liquid pump (3) and slurries excavationg pump (4); Described desulfurizing agent regenerating section comprises: regenerative response groove (5) and the sedimentation basin (6), the Buffer Pool (7) that are provided with in turn and be arranged on Buffer Pool (7) and absorption tower (1) between reflux pump (8); Other parts also include: dewaterer (9), slag stock pump (12) and be arranged on dewaterer (9) below filtrate box (10), filtrate is squeezed into the filtrate pump (11) of sedimentation basin (6) as moisturizing; Be provided with flue between absorption tower (1) and the chimney (14).
2, the treating apparatus that utilizes carbide slag to carry out flue gas desulfurization according to claim 1 is characterized in that: the concentration basin (13-1) of described raw material processing section is a conical vessel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201415897U CN201366313Y (en) | 2008-11-21 | 2008-11-21 | Device for desulphurizing flue gas with carbide slags |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201415897U CN201366313Y (en) | 2008-11-21 | 2008-11-21 | Device for desulphurizing flue gas with carbide slags |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201366313Y true CN201366313Y (en) | 2009-12-23 |
Family
ID=41485214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201415897U Expired - Fee Related CN201366313Y (en) | 2008-11-21 | 2008-11-21 | Device for desulphurizing flue gas with carbide slags |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201366313Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102485323A (en) * | 2011-04-15 | 2012-06-06 | 安徽理工大学 | Rapid calcium desulphurization method for flue gas |
| CN102658008A (en) * | 2012-05-14 | 2012-09-12 | 华电电力科学研究院 | Combined device and method for desulfurization, denitrification and heavy metal ion removal |
| CN104437049A (en) * | 2014-11-12 | 2015-03-25 | 贵州开磷（集团）有限责任公司 | Desulphurization method of coupled symbiosis dual-alkali flue gas |
| CN107261761A (en) * | 2017-07-18 | 2017-10-20 | 包头市隆力达爱心贸易有限公司 | A kind of method of preparation of industrialization lime stone doping calcium carbide ground-slag efficient desulfurizing agent |
-
2008
- 2008-11-21 CN CNU2008201415897U patent/CN201366313Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102485323A (en) * | 2011-04-15 | 2012-06-06 | 安徽理工大学 | Rapid calcium desulphurization method for flue gas |
| CN102658008A (en) * | 2012-05-14 | 2012-09-12 | 华电电力科学研究院 | Combined device and method for desulfurization, denitrification and heavy metal ion removal |
| CN104437049A (en) * | 2014-11-12 | 2015-03-25 | 贵州开磷（集团）有限责任公司 | Desulphurization method of coupled symbiosis dual-alkali flue gas |
| CN104437049B (en) * | 2014-11-12 | 2016-12-07 | 贵州开磷集团股份有限公司 | The double alkali fume desulphurization method of a kind of coupling symbiotic |
| CN107261761A (en) * | 2017-07-18 | 2017-10-20 | 包头市隆力达爱心贸易有限公司 | A kind of method of preparation of industrialization lime stone doping calcium carbide ground-slag efficient desulfurizing agent |
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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: 20091223 Termination date: 20101121 |