CN102716661A - Conveyor dry powder direct-feeding desulphurization system - Google Patents
Conveyor dry powder direct-feeding desulphurization system Download PDFInfo
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- CN102716661A CN102716661A CN2012102370042A CN201210237004A CN102716661A CN 102716661 A CN102716661 A CN 102716661A CN 2012102370042 A CN2012102370042 A CN 2012102370042A CN 201210237004 A CN201210237004 A CN 201210237004A CN 102716661 A CN102716661 A CN 102716661A
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Abstract
The invention discloses a conveyor dry powder direct-feeding desulphurization system comprising a desulphurization absorption tower and a conveyor dry powder feeding system, wherein the conveyor dry powder feeding system comprises a storage bin, a first fluidized air system, a powder conveyor, a first discharge pipe, a rotary feed valve, an absorbent dissolving tank, a second discharge pipe and a conveying pipe; the storage bin is connected with the powder conveying machine through the first discharge pipe; the discharge opening of the powder conveying machine is connected with the absorbent dissolving tank through the second discharge pipe; and the slurry tank of the desulphurization absorption tower is connected with the discharge opening of the absorbent dissolving tank through the conveying pipe. According to the conveyor dry powder direct-feeding desulphurization system disclosed by the invention, absorbent powder in the storage bin is conveyed by the powder conveying machine into the absorbent dissolving tank to be dissolved and then is directly discharged into the slurry tank of the desulphurization absorption tower, so that the desulfuration system dispenses with an absorbent slurry tank, an absorbent slurry tank stirrer, an absorbent slurry conveying pump and the like in the traditional wet desulphurization system. Therefore, the structure of the desulphurization system is greatly simplified, the system manufacturing cost is low, and the system control is simpler.
Description
Technical field
The present invention relates to a kind of flue gas purification system, particularly a kind of directly reinforced desulphurization system of conveyer dry powder of using.
Background technology
Coal fired power generation is one of main path of coal utilization, and coal-fired fired power generating unit need be discharged a large amount of pollutants, wherein SO
2And dust is comparatively serious to the harm of environment, also is the major pollutants that need emphasis control.Thereby, need 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 desulphurization technology 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 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.
Summary of the invention
In view of this; The purpose of this invention is to provide the directly reinforced desulphurization system of a kind of conveyer dry powder; It has save equipment such as the absorbent slurry pond in the wet desulfurization system, absorbent slurry pond agitator, absorbent slurry delivery pump; Very big simplied system structure can reduce the manufacturing cost of wet desulfurization system.The conveyer dry powder of the present invention directly concrete scheme of reinforced desulphurization system is:
The directly reinforced desulphurization system of conveyer dry powder of the present invention; Comprise desulfuration absorbing tower and conveyer dry powder charging system; Said conveyer dry powder charging system comprise feed bin, air outlet be arranged at the first class wind system of in feed bin, drying the feed bin bottom, be arranged at the feed bin below the powder conveyer, connect feed bin and powder conveyer feed inlet first tremie pipe, be arranged on rotatory feeder valve, absorbent dissolving tank on first tremie pipe, be connected second tremie pipe of powder conveyer discharging opening and absorbent dissolving tank and be connected desulfuration absorbing tower slurries pond and the conveying pipeline of absorbent dissolving tank discharging opening, said absorbent dissolving tank is provided with the liquid-feeding tube of interpolation lysate in jar.
Further, be positioned at the rotatory feeder valve top on said first tremie pipe and be provided with the second fluidized wind system to the pipe blowing;
Further, the top of said absorbent dissolving tank is provided with blast pipe;
Further, said conveyer dry powder charging system comprises that also delivery port is separately positioned on the filling pipe on liquid-feeding tube and the blast pipe;
Further, said conveyer dry powder charging system also comprises the slurry pipe of the slurry pump that connects liquid-feeding tube and desulfuration absorbing tower slurries pond;
Further, said conveying pipeline is obliquely installed with the mode that the port of export is lower than entrance point;
Further, said liquid-feeding tube is obliquely installed with the mode that the port of export is lower than entrance point;
Further, said powder conveyer is conveying worm or buried scraper conveyer.
Beneficial effect of the present invention: the directly reinforced desulphurization system of conveyer dry powder of the present invention; Absorbent powder in the feed bin is delivered in the absorbent dissolving tank by the powder conveyer and is directly entered in the slurries pond of desulfuration absorbing tower after the dissolving; Thereby make this desulphurization system save equipment such as absorbent slurry pond in the conventional wet desulphurization system, absorbent slurry pond agitator, absorbent slurry delivery pump; 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 conveyer dry powder of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further described.
As shown in the figure; The directly reinforced desulphurization system of present embodiment conveyer dry powder; Comprise desulfuration absorbing tower 1 and conveyer dry powder charging system; Said conveyer dry powder charging system comprises feed bin 2, the air outlet first class wind system 3 of in feed bin, drying that is arranged at feed bin 2 bottoms, the powder conveyer 4 that is arranged at feed bin 2 belows, connect feed bin 2 and powder conveyer 4 charging apertures first tremie pipe 5, be arranged on rotatory feeder valve 6, absorbent dissolving tank 7 on first tremie pipe 5, be connected second tremie pipe 8 of 4 outlets of powder conveyer and absorbent dissolving tank 7 and be connected the slurries pond of desulfuration absorbing tower 1 and the conveying pipeline 9 of absorbent dissolving tank 7 discharging openings, said absorbent dissolving tank 7 is provided with the liquid-feeding tube 10 of interpolation lysate in jar.
Powder conveyer 4 in the present embodiment is a conveying worm, and certainly in different embodiments, powder conveyer 4 also can be the buried scraper conveyer.
The directly reinforced desulphurization system of conveyer dry powder of the present invention; Absorbent powder in the feed bin is delivered in the absorbent dissolving tank by the powder conveyer and is directly entered in the slurries pond of desulfuration absorbing tower after the dissolving; Thereby make this desulphurization system save equipment such as absorbent slurry pond in the conventional wet desulphurization system, absorbent slurry pond agitator, absorbent slurry delivery pump; Thereby the desulphurization system structure is simplified greatly, system's low cost of manufacture, and system's control is also simpler.
As the improvement to present embodiment, the second fluidized wind system 12 on said second tremie pipe 8 blows in second tremie pipe 8 through the second fluidized wind system 12, can stop steam to get into powder conveyer 4, in order to avoid cause powder conveyer 4 powders caking.
As the improvement to present embodiment, the top of said absorbent dissolving tank 7 is provided with blast pipe 11, blast pipe 11 is set makes and help powder conveyer 4 discharges by absorbent dissolving tank 7 inside and outside air pressure balances.
As improvement to present embodiment; Said conveyer dry powder charging system comprises that also delivery port is separately positioned on the filling pipe 13 on liquid-feeding tube 10 and the blast pipe 11; Filling pipe 13 on the one hand can complement lysis absorbent powder water, also can in blast pipe 11, wash by water to prevent that powder from running out of contaminated air from blast pipe 11.
As improvement to present embodiment; Said conveyer dry powder charging system also comprises the slurry pipe 14 of the slurry pump that connects liquid-feeding tube 10 and desulfuration absorbing tower slurries pond; The slurries of getting rid of through slurry pump have bigger power; Can make the dissolving fast of absorbent powder and flow into smoothly in the slurries pond, and help the absorbent powder and sneak into uniformly in the slurries in desulfuration absorbing tower slurries pond.
As the improvement to present embodiment, said conveying pipeline 9 is obliquely installed with the mode that the port of export is lower than entrance point, is obliquely installed to make slurries can not be trapped in deposition in the conveying pipeline 9.
As the improvement to present embodiment, said liquid-feeding tube 10 is obliquely installed with the mode that the port of export is lower than entrance point, is obliquely installed to make slurries can not be trapped in deposition in the liquid-feeding tube 10.
Explanation is at last; Above embodiment is only unrestricted in order to technical scheme of the present invention to be described; Although with reference to preferred embodiment the present invention is specified, those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement technical scheme of the present invention; And not breaking away from the aim and the scope of technical scheme of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (8)
1. the directly reinforced desulphurization system of a conveyer dry powder; It is characterized in that: comprise desulfuration absorbing tower and conveyer dry powder charging system; Said conveyer dry powder charging system comprise feed bin, air outlet be arranged at the first class wind system of in feed bin, drying the feed bin bottom, be arranged at the feed bin below the powder conveyer, connect feed bin and powder conveyer feed inlet first tremie pipe, be arranged on rotatory feeder valve, absorbent dissolving tank on first tremie pipe, be connected second tremie pipe of powder conveyer discharging opening and absorbent dissolving tank and be connected desulfuration absorbing tower slurries pond and the conveying pipeline of absorbent dissolving tank discharging opening, said absorbent dissolving tank is provided with the liquid-feeding tube of interpolation lysate in jar.
2. the directly reinforced desulphurization system of conveyer dry powder according to claim 1 is characterized in that: be positioned at the rotatory feeder valve top on said first tremie pipe and be provided with the second fluidized wind system to the pipe blowing.
3. the directly reinforced desulphurization system of conveyer dry powder according to claim 2, it is characterized in that: the top of said absorbent dissolving tank is provided with blast pipe.
4. the directly reinforced desulphurization system of conveyer dry powder according to claim 3, it is characterized in that: said conveyer dry powder charging system comprises that also delivery port is separately positioned on the filling pipe on liquid-feeding tube and the blast pipe.
5. according to the directly reinforced desulphurization system of arbitrary described conveyer dry powder among the claim 1-4, it is characterized in that: said conveyer dry powder charging system also comprises the slurry pipe of the slurry pump that connects liquid-feeding tube and desulfuration absorbing tower slurries pond.
6. the directly reinforced desulphurization system of conveyer dry powder according to claim 5, it is characterized in that: said conveying pipeline is obliquely installed with the mode that the port of export is lower than entrance point.
7. the directly reinforced desulphurization system of conveyer dry powder according to claim 6, it is characterized in that: said liquid-feeding tube is obliquely installed with the mode that the port of export is lower than entrance point.
8. the directly reinforced desulphurization system of conveyer dry powder according to claim 1, it is characterized in that: said powder conveyer is conveying worm or buried scraper conveyer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102370042A CN102716661A (en) | 2012-07-10 | 2012-07-10 | Conveyor dry powder direct-feeding desulphurization system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102370042A CN102716661A (en) | 2012-07-10 | 2012-07-10 | Conveyor dry powder direct-feeding desulphurization system |
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| CN102716661A true CN102716661A (en) | 2012-10-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012102370042A Pending CN102716661A (en) | 2012-07-10 | 2012-07-10 | Conveyor dry powder direct-feeding desulphurization system |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0819726A (en) * | 1994-07-07 | 1996-01-23 | Babcock Hitachi Kk | Method and apparatus for wet type exhaust gas desulfuration |
| CN101342460A (en) * | 2008-08-20 | 2009-01-14 | 浙江天蓝脱硫除尘有限公司 | Automatically controlled desulphurizing agent slurry formulating device |
| CN201454412U (en) * | 2009-06-04 | 2010-05-12 | 哈尔滨电站设备成套设计研究所 | Calcium-spurting desulfurization equipment of circulating fluidized bed boiler |
| CN102179162A (en) * | 2011-05-13 | 2011-09-14 | 上海汉卓能源科技有限公司 | Device and method for conveying oxidation air and dry desulfurizing agent |
| CN202654939U (en) * | 2012-07-10 | 2013-01-09 | 中电投远达环保工程有限公司 | Conveyor dry-powder direct feeding desulfurizing system |
-
2012
- 2012-07-10 CN CN2012102370042A patent/CN102716661A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0819726A (en) * | 1994-07-07 | 1996-01-23 | Babcock Hitachi Kk | Method and apparatus for wet type exhaust gas desulfuration |
| CN101342460A (en) * | 2008-08-20 | 2009-01-14 | 浙江天蓝脱硫除尘有限公司 | Automatically controlled desulphurizing agent slurry formulating device |
| CN201454412U (en) * | 2009-06-04 | 2010-05-12 | 哈尔滨电站设备成套设计研究所 | Calcium-spurting desulfurization equipment of circulating fluidized bed boiler |
| CN102179162A (en) * | 2011-05-13 | 2011-09-14 | 上海汉卓能源科技有限公司 | Device and method for conveying oxidation air and dry desulfurizing agent |
| CN202654939U (en) * | 2012-07-10 | 2013-01-09 | 中电投远达环保工程有限公司 | Conveyor dry-powder direct feeding desulfurizing system |
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Application publication date: 20121010 |