CN204447728U - A kind of absorption tower with the hydrophobic air distribution plate of PTFE - Google Patents
A kind of absorption tower with the hydrophobic air distribution plate of PTFE Download PDFInfo
- Publication number
- CN204447728U CN204447728U CN201520083609.XU CN201520083609U CN204447728U CN 204447728 U CN204447728 U CN 204447728U CN 201520083609 U CN201520083609 U CN 201520083609U CN 204447728 U CN204447728 U CN 204447728U
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- Prior art keywords
- absorption tower
- absorbing liquid
- distribution plate
- air distribution
- storage tank
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Abstract
A kind of absorption tower with the hydrophobic air distribution plate of PTFE, comprise absorption tower body, described absorption tower body is provided with smoke inlet, exhanst gas outlet, described a kind of absorption tower with the hydrophobic air distribution plate of PTFE includes gathering-device, spray oxidation unit, EGR, described gathering-device includes the first absorbing liquid storage tank, second absorbing liquid storage tank, described spray oxidation unit comprises the absorbing liquid upper end mouth spray be arranged on the body of absorption tower, absorbing liquid lower end mouth spray and reducing agent entrance, the second described absorbing liquid reservoir bottom is provided with the hydrophobic air distribution plate of PTFE, supported by gripper shoe.The utility model has following beneficial effect: absorption tower, the setting of the structure of even gas distribution, and the utility model is had, and good stability, operating efficiency are high, low cost and other advantages, and its absorption efficiency is 1 ~ 3 times of regular absorbent tower.
Description
Technical field
The utility model relates to equipment for denitrifying flue gas technical field, special relevant with a kind of absorption tower with the hydrophobic air distribution plate of PTFE.
Background technology
China is production of energy and consumption big country, and primary energy is mainly based on coal, oil, natural gas.China's coal fired power generation is mainly by direct combustion system, coal burning creates a large amount of flue dust, oxysulfide, nitrogen oxide, heavy metallic oxide and a large amount of carbon dioxides, and the environment of water body and air has been arrived in the random discharge of these dusty gas serious harm.Nitrogen oxide is one of Air Pollutant Discharge.Usually said nitrogen oxide has various ways, mainly comprises NO, NO
2, N
2o, N
2o
3, N
2o
4deng, be wherein mainly NO, NO
2, be important atmosphere pollution.Denitrating flue gas is another key areas that China controls thermal power plant's pollutant emission after flue gas desulfurization.The Treatment process of existing nitrogen oxide is mainly divided into two classes: gas reburning technology, and its process route mainly improves to the control box of combustion process the generation reducing nitrogen oxide with this, namely changes the nitrogen oxide generated or absorbs.At present the nitrogen oxide generated changed or absorb main employing Selective catalytic reduction method (SCR), selection noncatalytic reduction (SNCR), wet denitration absorption process.Wet denitration technology is in the design of ventional absorption tower, and tower body cost of manufacture is too high, causes absorption insufficient, inefficiency.
Summary of the invention
For deficiency of the prior art, the utility model provides a kind of absorption tower with the hydrophobic air distribution plate of PTFE, solves tower body cost of manufacture too high, causes absorption insufficient, the problem of inefficiency.
The utility model is achieved through the following technical solutions.
A kind of absorption tower with the hydrophobic air distribution plate of PTFE, comprise absorption tower body, described absorption tower body is provided with smoke inlet, exhanst gas outlet, described a kind of absorption tower with the hydrophobic air distribution plate of PTFE includes gathering-device, spray oxidation unit, EGR, described gathering-device includes the first absorbing liquid storage tank, second absorbing liquid storage tank, described spray oxidation unit comprises the absorbing liquid upper end mouth spray be arranged on the body of absorption tower, absorbing liquid lower end mouth spray and reducing agent entrance, the second described absorbing liquid reservoir bottom is provided with the hydrophobic air distribution plate of PTFE, supported by gripper shoe.The hydrophobic air distribution plate of PFFE has high temperature resistant, corrosion-resistant, antiseized, the performance of permeable watertight, and smoke distribution can be made even, is beneficial to reduction reaction.
As preferably, in described absorption tower, be provided with filler demister.The feature of demister is utilized effectively to reach the effect of gas-liquid separation.
As preferably, top, described absorption tower is provided with tears board-like demister open.Tear board-like demister separative efficiency open high, resistance is little, not easily blocks, and erection space is little, and economical operation is safe and reliable, easy to operate, ensures that last flue gas discharges gas-liquid separation.
As preferably, outside described absorption tower, be provided with absorbing liquid circulating pump, absorbing liquid discharge pump.Make better to carry out weight absorption function, make absorbing liquid serve the effect of re-using.
As preferably, described spray region is full of filler.
As preferably, described second absorbing liquid storage tank upper end overfall is connected with the first absorbing liquid storage tank upper end inlet, and described second absorbing liquid storage tank lower end leakage fluid dram is connected with the first absorbing liquid storage tank upper end inlet, and centre valve cuts off.The connection of each port and the use of valve, achieve recycle controlled.
As preferably, described first absorbing liquid storage tank lower end leakage fluid dram is connected with positive displacement pump, and centre valve cuts off.
Compared with prior art: a kind of absorption tower with the hydrophobic air distribution plate of PTFE, the setting of the structure of even gas distribution, the utility model is had, and good stability, operating efficiency are high, low cost and other advantages, and its absorption efficiency is 1 ~ 3 times of regular absorbent tower.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing and detailed description of the invention, the utility model is described further.
A kind of absorption tower with the hydrophobic air distribution plate of PTFE, comprise absorption tower body 1, described absorption tower body 1 is provided with smoke inlet 12, exhanst gas outlet 11, described a kind of absorption tower with the hydrophobic air distribution plate of PTFE includes gathering-device, spray oxidation unit, EGR, described gathering-device includes the first absorbing liquid storage tank 2, second absorbing liquid storage tank 3, described spray oxidation unit comprises the absorbing liquid upper end mouth spray 10 be arranged on absorption tower body 1, absorbing liquid lower end mouth spray 8 and reducing agent entrance 13, the hydrophobic air distribution plate 4 of PTFE is installed bottom the second described absorbing liquid storage tank 3, supported by gripper shoe 18, filler demister 8 is provided with in described absorption tower, top, described absorption tower is provided with tears board-like demister 19 open, absorbing liquid circulating pump 5 is provided with outside described absorption tower, absorbing liquid discharge pump 6, described spray region 9 is full of filler, described second absorbing liquid storage tank 3 upper end overfall 14 is connected with the first absorbing liquid storage tank 2 upper end inlet 16, described second absorbing liquid storage tank 3 lower end leakage fluid dram 15 is connected with the first absorbing liquid storage tank 2 upper end inlet 16, centre valve cuts off, described first absorbing liquid storage tank 2 lower end leakage fluid dram 17 is connected with positive displacement pump 6, centre valve cuts off.
In use, first pending flue gas enters from smoke inlet 12, flue gas is distributed in the second absorbing liquid absorption cell 3 by the hydrophobic air distribution plate 4 of PTFE uniformly, and reducing agent joins in the second absorbing liquid storage tank 3 from reducing agent entrance 13, produces uniform aeration and once absorbs.Gas after once absorbing is by the filler demister 8 of its upper end, and utilize the feature of demister effectively to reach the effect of gas-liquid separation, liquid backflow is to the second absorbing liquid storage tank 3, and gas enters spray district, absorption tower 9.Absorbing liquid sprays 10 mouthfuls and lower end mouth spray 7 atomizing spray by upper end, and gas carries out double absorption in spray district 9, and spray is full of filler in district 9.Double absorption gas is torn board-like demister 19 open and is separated from top, obtain qualified can emission gases, discharge from upper end gas vent 11.Described upper end mouth spray 10 and the absorbing liquid needed for lower end mouth spray 7, extract in the first absorbing liquid storage tank 2 with absorbing liquid circulating pump 5.Described absorbing liquid overflows to the first absorbing liquid storage tank upper end charging aperture 16 from the second absorbing liquid storage tank overfall 14 in the second absorbing liquid storage tank 3 after collecting.Absorbing liquid in described second absorbing liquid storage tank 3 can enter the first absorbing liquid storage tank upper end charging aperture 16 from the second absorbing liquid storage tank lower end discharge gate 15.Described saturated absorption liquid can extract from the first absorbing liquid storage tank lower end discharge gate 17 with absorbing liquid positive displacement pump 6, discharge.
Described absorption tower, the setting of the structure of even gas distribution, the utility model is had, and good stability, operating efficiency are high, low cost and other advantages, and its absorption efficiency is 1 ~ 3 times of regular absorbent tower.
Protection domain of the present utility model includes but not limited to above embodiment; protection domain of the present utility model is as the criterion with claims, and any replacement that those skilled in the art will find apparent that, distortion, improvement made this technology all falls into protection domain of the present utility model.
Claims (7)
1. the absorption tower with the hydrophobic air distribution plate of PTFE, comprise absorption tower body (1), described absorption tower body (1) is provided with smoke inlet (12), exhanst gas outlet (11), it is characterized in that, described a kind of absorption tower with the hydrophobic air distribution plate of PTFE includes gathering-device, spray oxidation unit, EGR, described gathering-device includes the first absorbing liquid storage tank (2), second absorbing liquid storage tank (3), described spray oxidation unit comprises absorbing liquid upper end mouth spray (10) be arranged on absorption tower body (1), absorbing liquid lower end mouth spray (7) and reducing agent entrance (13), the second described absorbing liquid storage tank (3) bottom is provided with the hydrophobic air distribution plate of PTFE (4), supported by gripper shoe (18).
2. a kind of absorption tower with the hydrophobic air distribution plate of PTFE according to claim 1, is characterized in that, is provided with filler demister (8) in described absorption tower.
3. a kind of absorption tower with the hydrophobic air distribution plate of PTFE according to claim 2, is characterized in that, top, described absorption tower is provided with tears board-like demister (19) open.
4. a kind of absorption tower with the hydrophobic air distribution plate of PTFE according to claim 3, is characterized in that, is provided with absorbing liquid circulating pump (5), absorbing liquid discharge pump (6) outside described absorption tower.
5. a kind of absorption tower with the hydrophobic air distribution plate of PTFE according to claim 4, is characterized in that, described spray region (9) is full of filler.
6. a kind of absorption tower with the hydrophobic air distribution plate of PTFE according to claim 5, it is characterized in that, described second absorbing liquid storage tank (3) upper end overfall (14) is connected with the first absorbing liquid storage tank (2) upper end inlet (16), described second absorbing liquid storage tank (3) lower end leakage fluid dram (15) is connected with the first absorbing liquid storage tank (2) upper end inlet (16), and centre valve cuts off.
7. a kind of absorption tower with the hydrophobic air distribution plate of PTFE according to claim 6, is characterized in that, described first absorbing liquid storage tank (2) lower end leakage fluid dram (17) is connected with positive displacement pump (6), and centre valve cuts off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520083609.XU CN204447728U (en) | 2015-02-06 | 2015-02-06 | A kind of absorption tower with the hydrophobic air distribution plate of PTFE |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520083609.XU CN204447728U (en) | 2015-02-06 | 2015-02-06 | A kind of absorption tower with the hydrophobic air distribution plate of PTFE |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204447728U true CN204447728U (en) | 2015-07-08 |
Family
ID=53654678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520083609.XU Expired - Fee Related CN204447728U (en) | 2015-02-06 | 2015-02-06 | A kind of absorption tower with the hydrophobic air distribution plate of PTFE |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204447728U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114788993A (en) * | 2022-03-31 | 2022-07-26 | 福建浩氧环保有限公司 | Novel independent two water tank spray towers |
-
2015
- 2015-02-06 CN CN201520083609.XU patent/CN204447728U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114788993A (en) * | 2022-03-31 | 2022-07-26 | 福建浩氧环保有限公司 | Novel independent two water tank spray towers |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150708 Termination date: 20180206 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |