CN204447729U - A kind of energy-conservation absorption tower - Google Patents
A kind of energy-conservation absorption tower Download PDFInfo
- Publication number
- CN204447729U CN204447729U CN201520083625.9U CN201520083625U CN204447729U CN 204447729 U CN204447729 U CN 204447729U CN 201520083625 U CN201520083625 U CN 201520083625U CN 204447729 U CN204447729 U CN 204447729U
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- Prior art keywords
- absorption tower
- absorbing liquid
- storage tank
- liquid storage
- energy
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- Gas Separation By Absorption (AREA)
Abstract
A kind of energy-conservation absorption tower, comprise absorption tower body, described absorption tower body is provided with smoke inlet, exhanst gas outlet, described absorption tower body includes the first absorbing liquid storage tank and the second absorbing liquid storage tank, the side of the second described absorbing liquid storage tank is provided with reducing agent high pressure air intake vent, described reducing agent high pressure air intake vent is connected with appendix, equally distributed nozzle is offered below described appendix, be provided with ceramic Smoke Filter plate immediately below described nozzle, described ceramic Smoke Filter plate supports active carbon.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 the energy-conservation absorption tower of one.
Background technology
Along with the fast development of China's economy, thermal power generation cause is flourish, has become the main generation mode of China's power supply architecture.Electric power energy, while offering convenience to us, also causes certain pollution to environment, mainly caused by thermal power generation incomplete combustion and generation byproduct.According to statistics, in China's atmosphere pollution more than 90% NO
xcome from the combustion process of fossil fuel (as coal, oil, natural gas etc.), wherein 70% from burning of coal, and thermal power plant's coal for power generation account for 70% of whole nation fire coal.NO
xafter entering air, under effect of sunlight, easily form chemical fumes, insulting respiratory system, NO still destroys one of atmospheric ozone layer and the precursor gas forming acid rain, destroys ecological environment.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, tower body structure design is unreasonable, cost of manufacture is too high, cause absorption insufficient, inefficiency.
Summary of the invention
For deficiency of the prior art, the utility model provides a kind of energy-conservation absorption tower, 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 energy-conservation absorption tower, comprise absorption tower body, described absorption tower body is provided with smoke inlet, exhanst gas outlet, it is characterized in that, described absorption tower body includes the first absorbing liquid storage tank and the second absorbing liquid storage tank, the side of the second described absorbing liquid storage tank is provided with reducing agent high pressure air intake vent, described reducing agent high pressure air intake vent is connected with appendix, equally distributed nozzle is offered below described appendix, be provided with ceramic Smoke Filter plate immediately below described nozzle, described ceramic Smoke Filter plate supports active carbon.Active carbon, because having highly developed pore structure and huge incomparable surface area, thus has very strong adsorptivity.In addition activated carbon surface contains polynary oxygen-containing functional group, so it is excellent adsorbent, is again the carrier of catalyst and catalyst, and upper and lower ac contactor formula is directly reacted and made reduction catalysts reaction efficiency high.
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.Described spray overlying regions has absorbing liquid upper end mouth spray, and there is absorbing liquid lower end mouth spray below.Upper and lower side mouth spray combines, and makes spraying effect better.
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 energy-conservation absorption tower, described absorption tower, have passed through the absorption of filter and active carbon, and upper and lower ac contactor formula is directly reacted and made reduction catalysts reaction efficiency high, 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 energy-conservation absorption tower, comprise absorption tower body 1, described absorption tower body 1 is provided with smoke inlet 12, exhanst gas outlet 11, described absorption tower body 1 includes the first absorbing liquid storage tank 2 and the second absorbing liquid storage tank 3, the side of the second described absorbing liquid storage tank 3 is provided with reducing agent high pressure air intake vent 13, described reducing agent high pressure air intake vent 13 is connected with appendix 4, equally distributed nozzle 41 is offered below described appendix 4, immediately below described nozzle 41, ceramic Smoke Filter plate 18 is installed, described ceramic Smoke Filter plate 18 supports active carbon 20.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, absorbing liquid discharge pump 6 is provided with outside described absorption tower, 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, and centre valve cuts off.
In use, first pending flue gas enters from smoke inlet 12, flue gas is first removed the solid impurity in flue gas by ceramic Smoke Filter plate 18, and then the active carbon 20 above it, active carbon 20, because having highly developed pore structure and huge incomparable surface area, thus has very strong adsorptivity.In addition active carbon 20 surface is containing polynary oxygen-containing functional group, so it is excellent adsorbent, is again the carrier of catalyst and catalyst.Reducing agent joins in the second absorbing liquid storage tank 3 from reducing agent high pressure air intake vent 13, sprays from the equally distributed nozzle 41 below appendix 4, with immediately below the reducing agent adsorbed through active carbon 20 blow reaction mutually up and down.Through the filler demister 8 of reacted gas by its upper end, 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, have passed through the absorption of filter and active carbon, and upper and lower ac contactor formula is directly reacted and made reduction catalysts reaction efficiency high, 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. an energy-conservation absorption tower, 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 absorption tower body (1) includes the first absorbing liquid storage tank (2) and the second absorbing liquid storage tank (3), the side of the second described absorbing liquid storage tank (3) is provided with reducing agent high pressure air intake vent (13), described reducing agent high pressure air intake vent (13) is connected with appendix (4), described appendix (4) below offers equally distributed nozzle (41), immediately below described nozzle (41), ceramic Smoke Filter plate (18) is installed, described ceramic Smoke Filter plate (18) supports active carbon (20).
2. the energy-conservation absorption tower of one according to claim 1, is characterized in that, is provided with filler demister (8) in described absorption tower.
3. the energy-conservation absorption tower of one according to claim 2, is characterized in that, top, described absorption tower is provided with tears board-like demister (19) open.
4. the energy-conservation absorption tower of one 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. the energy-conservation absorption tower of one according to claim 4, is characterized in that, described spray region (9) is full of filler, and there is absorbing liquid upper end mouth spray (10) described top, spray region (9), and there is absorbing liquid lower end mouth spray (7) below.
6. the energy-conservation absorption tower of one 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. the energy-conservation absorption tower of one 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 |
|---|---|---|---|
| CN201520083625.9U CN204447729U (en) | 2015-02-06 | 2015-02-06 | A kind of energy-conservation absorption tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520083625.9U CN204447729U (en) | 2015-02-06 | 2015-02-06 | A kind of energy-conservation absorption tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204447729U true CN204447729U (en) | 2015-07-08 |
Family
ID=53654679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520083625.9U Expired - Fee Related CN204447729U (en) | 2015-02-06 | 2015-02-06 | A kind of energy-conservation absorption tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204447729U (en) |
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2015
- 2015-02-06 CN CN201520083625.9U patent/CN204447729U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150708 Termination date: 20180206 |