CN202654938U - Pneumatic conveying dry-powder direct feeding desulfurizing system - Google Patents
Pneumatic conveying dry-powder direct feeding desulfurizing system Download PDFInfo
- Publication number
- CN202654938U CN202654938U CN 201220331508 CN201220331508U CN202654938U CN 202654938 U CN202654938 U CN 202654938U CN 201220331508 CN201220331508 CN 201220331508 CN 201220331508 U CN201220331508 U CN 201220331508U CN 202654938 U CN202654938 U CN 202654938U
- Authority
- CN
- China
- Prior art keywords
- dry powder
- absorbing tower
- bin
- desulfurizing
- strength delivery
- 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 - Lifetime
Links
Images
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model discloses a pneumatic conveying dry-powder direct feeding desulfurizing system. The pneumatic conveying dry-powder direct feeding desulfurizing system comprises a desulfurizing absorbing tower and a pneumatic conveying dry-powder direct feeding system; the pneumatic conveying dry-powder direct feeding system comprises a material bin, a first fluidizing air system, an intermediate bin, a first blanking pipe, a second fluidizing air system, a second blanking pipe, a gate valve, a rotary feeding valve and an ejector; the material bin and the intermediate are connected through a first blanking pipe; the gate valve and the rotary feeding valve are sequentially arranged on the second blanking pipe from top to bottom; and a material outlet of the ejector is connected with a size liquid at the lower part of the desulfurizing absorbing tower through a material conveying pipe. According to the pneumatic conveying dry-powder direct feeding desulfurizing system disclosed by the utility model, the powder is directly conveyed into the size tank of the desulfurizing absorbing tower in a pneumatic conveying way, the equipment of traditional wet type desulfurizing system such as an absorbent size tank, an absorbent size tank agitator and an absorbent size conveying pump and the like can be saved, therefore, and the desulfurizing system can be greatly simplified; and the system is low in manufacturing cost, and the system is simpler to be controlled.
Description
Technical field
The utility model relates to a kind of flue gas purification system, particularly the direct reinforced desulphurization system of a kind of employing strength delivery of dry powder.
Background technology
Coal fired power generation is one of main path of coal utilization, and fossil-fired unit need discharge a large amount of pollutants, wherein SO
2And dust is comparatively serious to the harm of environment, also is the major pollutants that need priority control.Thereby, need to desulphurization system be set at the fume emission place of coal fired power generation.Flue gas desulfurization technique comprises wet desulphurization and dry desulfurization etc., and wherein the utilization of Wet Flue Gas Desulfurization Technique is the most extensive.The principle of wet flue gas desulfurization absorption tower is to utilize the lime stone alkaline slurry to spray from the top down, and flue gas flows from bottom to top, and lime stone slurry drops in the SO that absorbs in the dropping process in the flue gas
2, generate the byproducts such as gypsum, reach the SO that removes in the flue gas
2Purpose.
The wet desulphurization effect is best, but the wet desulfurization system complex structure, and system cost is very high, and therefore simplied system structure how reduces its cost of manufacture, is a problem that is worth research.
The utility model content
In view of this, the purpose of this utility model provides directly reinforced desulphurization system of a kind of strength delivery of dry powder, it has save the equipment such as the absorbent slurry pond in the wet desulfurization system, absorbent slurry pond agitator, absorbent slurry delivery pump, very large simplied system structure can reduce the manufacturing cost of wet desulfurization system.The utility model strength delivery of dry powder directly concrete scheme of reinforced desulphurization system is:
The utility model strength delivery of dry powder is reinforced desulphurization system directly, comprise desulfuration absorbing tower and the direct charging system of strength delivery of dry powder, the direct charging system of described strength delivery of dry powder comprises feed bin, exhaust outlet is arranged at the first class wind system that bin bottom is dried in the feed bin, be positioned at the intermediate bin of feed bin below, the first material blanking tube that connects feed bin and intermediate bin, exhaust outlet is arranged at the second wind transmission system of drying in the intermediate bin in intermediate bin bottom, be arranged at the second material blanking tube of intermediate bin bottom, be successively set on from top to bottom push-pull valve and rotatory feeder valve on the second material blanking tube, and the injector that is connected with the rotatory feeder valve discharging opening of charging aperture, the discharging opening of described injector is connected slurry pool by conveying pipeline and is connected with the desulfuration absorbing tower bottom.
Further, the discharging opening of described conveying pipeline is positioned at the liquid level below of slurry pool, and conveying pipeline has one section pipeline section that is higher than the slurry pool liquid level;
Further, described desulfuration absorbing tower is the desulfuration absorbing tower of spray column, liquid column tower or other form;
Further, be provided with deduster on the described feed bin;
Further, described desulfuration absorbing tower and the adjacent layout of the direct charging system of strength delivery of dry powder.
The beneficial effects of the utility model: the utility model strength delivery of dry powder is reinforced desulphurization system directly, the absorbent powder is directly sent in the slurry pool of desulfuration absorbing tower by the direct charging system of strength delivery of dry powder, the equipment such as absorbent slurry pond in the conventional wet desulphurization system, absorbent slurry pond agitator, absorbent slurry delivery pump have been save, thereby the desulphurization system structure is simplified greatly, system's low cost of manufacture, and system's control is also simpler.
Description of drawings
Fig. 1 is the directly structural representation of reinforced desulphurization system of the utility model strength delivery of dry powder.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further described.
As shown in the figure, the present embodiment strength delivery of dry powder is reinforced desulphurization system directly, comprise desulfuration absorbing tower 1 and the direct charging system of strength delivery of dry powder, the direct charging system of described strength delivery of dry powder comprises feed bin 2, exhaust outlet is arranged at the first class wind system 3 that bin bottom is dried in the feed bin, be positioned at the intermediate bin 4 of feed bin 2 belows, the first material blanking tube 5 that connects feed bin 2 and intermediate bin 4, exhaust outlet is arranged at the second wind transmission system 6 of drying in the intermediate bin in intermediate bin bottom, be arranged at the second material blanking tube 7 of intermediate bin 4 bottoms, be successively set on from top to bottom push-pull valve 8 and rotatory feeder valve 9 on the second material blanking tube, and the injector 10 that is connected with rotatory feeder valve 9 discharging openings of charging aperture, the discharging opening of described injector 10 is connected the slurry pool 1a of bottom by conveying pipeline 11 and is connected with desulfuration absorbing tower.
The utility model strength delivery of dry powder is reinforced desulphurization system directly, powder is directly sent in the slurry pool of desulfuration absorbing tower by the direct charging system of strength delivery of dry powder, the equipment such as absorbent slurry pond in the conventional wet desulphurization system, absorbent slurry pond agitator, absorbent slurry delivery pump have been save, thereby the desulphurization system structure is simplified greatly, system's manufacturing and operating cost are low, and system's control is also simpler, is specially adapted to small-sized fired power generating unit desulfurization.
As the improvement to the present embodiment, the discharging opening of described conveying pipeline 11 is positioned at the liquid level below of slurry pool 1a, and conveying pipeline 11 has one section pipeline section that is higher than the slurry pool liquid level; This structure directly adds in the slurries powder, can not cause air pollution, and the pipeline section that is higher than simultaneously the slurry pool liquid level can stop slurries to flow backwards.
As the improvement to the present embodiment, described desulfuration absorbing tower 1 is spray column; Certainly in different embodiments, shown in desulfuration absorbing tower can also be the absorption tower of liquid column tower or other form.
As the improvement to the present embodiment, be provided with deduster 12 on the described feed bin 2, deduster 12 can be avoided the dust pollution air in the processes such as reinforced, cleaning feed bin.
As the improvement to the present embodiment, described desulfuration absorbing tower 1 and the adjacent layout of the direct charging system of strength delivery of dry powder, arrangement is compact, and the occupation of land space is little; Certainly in different embodiments, desulfuration absorbing tower 1 and the direct charging system of strength delivery of dry powder also can be taked remote apart arrangement, and arrangement is flexible, can satisfy different site requirements.
Explanation is at last, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although with reference to preferred embodiment the utility model is had been described in detail, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (5)
1. the direct reinforced desulphurization system of a strength delivery of dry powder, it is characterized in that: comprise desulfuration absorbing tower and the direct charging system of strength delivery of dry powder, the direct charging system of described strength delivery of dry powder comprises feed bin, exhaust outlet is arranged at the first class wind system that bin bottom is dried in the feed bin, be positioned at the intermediate bin of feed bin below, the first material blanking tube that connects feed bin and intermediate bin, exhaust outlet is arranged at the second wind transmission system of drying in the intermediate bin in intermediate bin bottom, be arranged at the second material blanking tube of intermediate bin bottom, be successively set on from top to bottom push-pull valve and rotatory feeder valve on the second material blanking tube, and the injector that is connected with the rotatory feeder valve discharging opening of charging aperture, the discharging opening of described injector is connected slurry pool by conveying pipeline and is connected with the desulfuration absorbing tower bottom.
2. the direct reinforced desulphurization system of strength delivery of dry powder according to claim 1, it is characterized in that: the discharging opening of described conveying pipeline is positioned at the liquid level below of slurry pool, and conveying pipeline has one section pipeline section that is higher than the slurry pool liquid level.
3. the direct reinforced desulphurization system of strength delivery of dry powder according to claim 2, it is characterized in that: described desulfuration absorbing tower is the desulfuration absorbing tower of spray column, liquid column tower or other form.
4. according to claim 1, the direct reinforced desulphurization system of 2 or 3 described strength delivery of dry powder, it is characterized in that: be provided with deduster on the described feed bin.
5. the direct reinforced desulphurization system of strength delivery of dry powder according to claim 4 is characterized in that: described desulfuration absorbing tower and the adjacent layout of the direct charging system of strength delivery of dry powder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220331508 CN202654938U (en) | 2012-07-10 | 2012-07-10 | Pneumatic conveying dry-powder direct feeding desulfurizing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220331508 CN202654938U (en) | 2012-07-10 | 2012-07-10 | Pneumatic conveying dry-powder direct feeding desulfurizing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202654938U true CN202654938U (en) | 2013-01-09 |
Family
ID=47449877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220331508 Expired - Lifetime CN202654938U (en) | 2012-07-10 | 2012-07-10 | Pneumatic conveying dry-powder direct feeding desulfurizing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202654938U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102716662A (en) * | 2012-07-10 | 2012-10-10 | 中电投远达环保工程有限公司 | Dry powder pneumatic-conveying and direct-feeding desulphurization system |
| CN103120894A (en) * | 2013-03-14 | 2013-05-29 | 中电投远达环保工程有限公司 | Desulfurizing absorption tower |
-
2012
- 2012-07-10 CN CN 201220331508 patent/CN202654938U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102716662A (en) * | 2012-07-10 | 2012-10-10 | 中电投远达环保工程有限公司 | Dry powder pneumatic-conveying and direct-feeding desulphurization system |
| CN103120894A (en) * | 2013-03-14 | 2013-05-29 | 中电投远达环保工程有限公司 | Desulfurizing absorption tower |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100467100C (en) | Circulating suspension state dried method desulfurizing technology and special purpose desulfurizing tower thereof | |
| CN102266718B (en) | Semi dry process flue gas desulfurization method of circulating fluidized bed based on circulation, and apparatus thereof | |
| CN102580517A (en) | Fume desulfurization system and method by adopting dried alkali electrostatic spraying and fume humidifying cooling method | |
| CN204017646U (en) | A kind of flue gas of sintering machine denitration special equipment | |
| CN205073877U (en) | Semidry method flue gas desulphurization device of single venturi structure | |
| CN203899446U (en) | Flue gas desulfurization device with coarse desulfurization function | |
| CN217220890U (en) | Domestic waste burns flue gas denitration deacidification dust removal integration system of optimization | |
| CN201940171U (en) | Flue gas desulfurization system with dry alkali electrostatic spray and flue gas humidification and temperature reduction method | |
| CN104772032A (en) | Semi-dry flue gas desulfurization and dust removal device and semi-dry flue gas desulfurization and dust removal process | |
| CN103120894A (en) | Desulfurizing absorption tower | |
| CN202654938U (en) | Pneumatic conveying dry-powder direct feeding desulfurizing system | |
| CN106139877A (en) | Efficient small coal-firing units gas desulfurization device | |
| CN201389423Y (en) | Flue gas desulphurization dust removing tower for coal burning boiler | |
| CN206621985U (en) | A kind of coal steam-electric plant smoke sulfur dioxide and waste water coprocessing system | |
| CN102716659B (en) | Oxidation ditch tandem arranged desulfurization tower and desulfurization system using desulfurization tower | |
| CN2813075Y (en) | Sintering machine head smoke desulfurizing device | |
| CN102210967A (en) | Two-stage treatment wet desulphurization method for high-sulfur coal-fired flue gas | |
| CN103712207A (en) | Semi-dry type gas desulfurization system and method of circulating fluidized bed boiler | |
| CN202191838U (en) | Flue gas disposing device of coal-fired industrial boiler | |
| CN102553430A (en) | Bicyclic high-efficiency desulfurization absorption tower and desulfurization system employing tower | |
| CN102716662A (en) | Dry powder pneumatic-conveying and direct-feeding desulphurization system | |
| CN202654939U (en) | Conveyor dry-powder direct feeding desulfurizing system | |
| CN109304080A (en) | A kind of ultralow SO2The semidry-method recirculating fluidized bed flue gas desulphurization system of discharge | |
| CN204307516U (en) | A kind of coal-burning boiler for flue gas desulfurization, denitration device | |
| CN210544274U (en) | Calcium-spraying dry desulfurization device in circulating fluidized bed boiler |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130109 |