CN207722608U - A kind of type smoke pollutant removal device with Venturi tube - Google Patents
A kind of type smoke pollutant removal device with Venturi tube Download PDFInfo
- Publication number
- CN207722608U CN207722608U CN201720621934.6U CN201720621934U CN207722608U CN 207722608 U CN207722608 U CN 207722608U CN 201720621934 U CN201720621934 U CN 201720621934U CN 207722608 U CN207722608 U CN 207722608U
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- CN
- China
- Prior art keywords
- venturi tube
- orifice plate
- shell
- removal device
- pollutant removal
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- 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.)
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Abstract
The utility model is related to a kind of type smoke pollutant removal device with Venturi tube, Venturi tube is set inside device, wind turbine is set outside device, high pressure gas is sent into inside Venturi tube, generates gas-liquid mixture.Venturi tube upper end is connected with orifice plate, and the gas-liquid mixture gushed out at Venturi exit forms gas-liquid switching layer above orifice plate, and flue gas comes into full contact with reaction solution during rising across orifice plate, reacts.The smoke eliminator forms gas-liquid mixture using Venturi tube, substantially increases chemical reaction rate and purification efficiency, circulation slurry pump need not be arranged, while slurry spraying nozzle need not also be arranged, therefore investment and operating cost all decrease.
Description
Technical field
The utility model is related to a kind of type smoke pollutant removal devices with Venturi tube, belong to atmosphere pollution purification
Technical field.
Background technology
In current industrial flue gas cleaning demand, the demand accounting of desulfurization and denitration is very big.
The main atmosphere pollution in China belongs to typical coal-smoke pollution, maximum with the harm of dust and acid rain.Wherein, it makes
It is the sulfur dioxide in industrial smoke at the main reason for acid rain, it is one of most important atmosphere pollution, has become ring
The important object that border is administered.Acid rain can make lake become acid, cause aquatile dead, acid rain can reduce the calcic in water
Amount, damages the bone of animal, so that animal is become deformity, can also cause the acidification and impoverishment of soil.Therefore stringent control flue gas
In content of sulfur dioxide, reduce harm of the acid rain to environment, be of great practical significance.
In addition, in recent years, people have gradually recognized pollution and adverse effect of the nitre to environment, and country is in 12 planning
In specify NOXOverall control will implement in China；Therefore, increase NO in smoke eliminatorXPurification dress
It sets, has become the inexorable trend of industry.
For technology used in purifier, currently used desulfurization technology mainly use limestone-gypsum method for
Main wet desulfurizing process or using ammonia as the wet ammonia process desulfurizing technology of absorbing liquid, the then selective catalysis of common denitration technology
Reduction method（SCR）, non-selective catalytic reduction（SNCR）And low nitrogen burning method etc., common demercuration technology then have the precipitation method
With oxidizing process etc..
According to the difference of cleanser in purifier and smoke contacts mode, currently used working method can be divided mainly into
Spray pattern, grid（Or filler）Mode, drop form and bubble mode.The purifier of these ways of contact in the prior art
Have the shortcomings that application surface is narrow, clean-up effect is unstable, volume is big and cost is high.
Therefore, design a kind of cleanser with smoke reaction more completely, effect more stablize, it is small and low cost
Type smoke pollutant removal device is those skilled in the art's urgent problem to be solved.
Invention content
To solve the problems, such as that application surface existing in the prior art is narrow, clean-up effect is unstable, volume is big and cost is high, this
Utility model provides a kind of type smoke pollutant removal device with Venturi tube, generates turbulent flow using Venturi tube, is ensureing
While clean-up effect, device volume and cost are reduced.
The utility model uses following technical proposals：
A kind of type smoke pollutant removal device with Venturi tube, it is characterised in that：
Including shell, the lower sides of shell are provided with flue gas input pipe, and exhanst gas outlet is arranged in the top of shell；In shell
Middle part is horizontally arranged with the orifice plate for the aperture that coordinates with side wall and gather, and lower part, which is provided with, in shell at least one pass through and be fixed on
The upper end of the vertical Venturi tube of orifice plate, Venturi tube is outlet, and the lower end air inlet of Venturi tube is existed by pipeline and setting
Hull outside and with air intake II fan outlet be connected, at least one open is provided at the neck of each Venturi tube
Mouth pipe, the open tube nozzle are less than the reaction solution liquid level that housing bottom fills；
It is provided with above orifice plate and absorbs the demister of moisture and the spray eliminator for cleaning demister, spray in flue gas
Leaching clarifier connects with external water source and is provided with multiple spray heads and corresponding pipeline.
Preferably, the side wall of the flue gas input pipe is communicated with occurs including the ozone of air separator and ozone generator
Device, air separator carry air intake I, the entrance of the outlet connection ozone generator of air separator, ozone generator
Outlet connect flue gas input pipe.
Preferably, the open tube shape is inverted L-shaped.
Preferably, the Venturi exit is uniformly distributed on orifice plate, and Venturi tube quantity is 5 ~ 20.
Preferably, the aperture on the orifice plate, a diameter of 5 ~ 50mm.
The utility model has the following advantages that：
1) using Venturi tube make reaction solution generate with turbulent flow gas-liquid switching layer, make flue gas across in the process with instead
Liquid is answered to come into full contact with, absorbability enhancing, purification efficiency is higher, also there is removal effect to molecule；
2) the utility model is mainly used in various wet method reaction patterns, can be adapted for limestone/gypsum method, ammonia process,
The purification methods such as magnesium hydroxide have wider application range, will not be caused while improving reaction effect otherwise
Adverse effect；
3) circulation slurry pump need not be arranged in the utility model, need not also be arranged slurry spraying nozzle, thus invest and
Operating cost all decreases；
4) it is provided with ozone generating-device in the preferred embodiment of the utility model, the utility model can be applied in demercuration
Etc., using ozone by mercury or other heavy metal oxidations, to be removed using corresponding reaction solution.
Description of the drawings
Fig. 1 is the example structure schematic diagram of type smoke pollutant removal device of the utility model with Venturi tube；
Fig. 2 is 6 structural schematic diagram of Venturi tube in the utility model embodiment；
Fig. 3 is 10 structural schematic diagram of orifice plate in the utility model embodiment；
Wherein：1. shell；2. air intake I；3. air separator；4. ozone generator；5. flue gas input pipe；6. text
Venturi；7. air intake II；8. wind turbine；9. reaction solution；10. orifice plate；11. gas-liquid switching layer；12. spray eliminator；13. removing
Day with fog；14. spray head；15. exhanst gas outlet.
Specific implementation mode
The utility model is further illustrated with reference to the accompanying drawings and examples.
As shown in Figure 1, a kind of type smoke pollutant removal device with Venturi tube, including cylindrical shell 1, shell
Exhanst gas outlet 15 is arranged in the top of 1 lower sides setting flue gas input pipe 5, shell 1, and the top side wall of flue gas input pipe 5 connects
Logical ozone generating-device, ozone generating-device include being connected with the air separator 3 of air intake I2 and straight with flue gas input pipe 5
The ozone generator 4 connect in succession.After the flue gas input pipe 5 is connect with horizontal attitude with ozone generating-device, there are one settings
Bending downwards, to be connect with shell 1 with the angle of 50 ° of horizontal plane.The air separator 3 and ozone generator 4 are
Common known device in the prior art.Bending downwards can also be prevented in addition to facilitating flue gas to enter and resting on inside device
Reaction solution enters flue gas input tube inlet in locking apparatus.
Air enters air separator 3 through air intake I 2, by nitrogen and oxygen separation, and discharges nitrogen, remaining
Oxygen enter ozone generator 4 by the road and generate ozone, ozone enters flue gas input pipe 5 and reacted with the NO in flue gas, generation
NOX —, it is convenient for follow-up denitration.
Middle part is horizontally arranged with the orifice plate 10 coordinated with side wall in shell 1, and vertical Venturi tube 6, literary mound is arranged in lower part
In 6 number of pipe preferably 5 ~ 20, the present embodiment use 5.The upper end of Venturi tube 6 both passes through and is fixed on orifice plate 10 and exports
It is uniformly arranged in 10 upper surface of orifice plate, the lower end air inlet of Venturi tube 6 is by pipeline across shell 1 and is arranged external
Wind turbine 8 is connected, and the wind turbine 8 carries air intake II 7.2 groups of open tubes are symmetrical arranged at the neck of each Venturi tube 6, are opened
Mouth tube shape is inverted L-shaped.Reaction liquid pool is formed on 1 bottom of shell, and reaction solution 9 is alkaline Ca (OH) common in field2Solution, instead
Answer liquid 9 liquid level be higher than Venturi tube 6 inverted L-shaped open tube nozzle, less than flue gas input pipe 51 inner wall of shell opening.
Air enters wind turbine through air intake II 7, and forming high pressure gas by the effect of wind turbine 8 injects Venturi tube 6, root
According to the operation principle of Venturi tube, reaction solution 9 enters Venturi tube 6 from inverted L-shaped open tube, and 6 inside of Venturi tube forms gas-liquid
Mixture simultaneously forms the gas-liquid switching layer 11 with turbulent flow after being discharged by upper end opening above orifice plate 10.By the flue gas of denitration
Space between reaction solution 9 and orifice plate 10, the then work of the pressure difference between air pressure above discharge pressure and orifice plate 10
Under, run upward across orifice plate 10.Flue gas passes through orifice plate to be come into full contact with reaction solution 9 in gas-liquid switching layer 11, will
SO contained in flue gasX —、NOX —It reacts away.Gas-liquid mixture with 6 exit of Venturi tube is constantly gushed out, reaction solution 9
It is flowed back in the liquid pool of 1 bottom of shell by the aperture being arranged on orifice plate 10, this process moves in circles.
2 groups of demisters 13 are arranged in the top of orifice plate 10, to absorb the moisture in flue gas；To ensure the demisting of demister 13
Effect, every group of about 13 demister is respectively provided with spray eliminator 12, for periodically being cleaned to demister 13.Spray eliminator
12 are provided with 4 groups of spray heads 14 and corresponding pipeline and are connect with external water source altogether, and every group of 14 quantity of spray head is 7.
As shown in Fig. 2, the outlet of Venturi tube 6 is in top, air flow inlet is in down the course of work of Venturi tube 6
It is square, open tube is set at neck, and open tube is inverted L-shaped and opening is in reaction solution 9.Wind turbine 8 generates high pressure gas and enters text
The air flow inlet of venturi 6；High pressure gas flow velocity quickly, the respective outer side edges with Venturi tube, at 6 inside neck of Venturi tube
Pressure difference is formed, reaction solution 9 is sucked from inverted L-shaped open tube, and gas-liquid mixture is formed with high pressure gas, then from Venturi tube
6 outlet discharge.
10 structure of the present embodiment aperture plate as shown in figure 3, the diameter 20mm of uniformly gathering on orifice plate 10 aperture, this diameter
The speed that reaction solution 9 flows back to 1 bottom of shell by the aperture on orifice plate 10 can be made moderate, and sufficient amount can be kept on orifice plate
Gas-liquid mixture 11, while the exhaust gas volumn run up by aperture is also more appropriate, is conducive to fill with gas-liquid switching layer 11
Divide reaction.
The foregoing description of the disclosed embodiments enables professional and technical personnel in the field to realize or use this practicality new
Type.A variety of modifications of embodiment will be apparent to those skilled in the art, it is as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present utility model, not given
The part presented with partial enlargement is described in detail, is the prior art, herein without repeating.Therefore, the utility model will not
It is intended to be limited to the embodiments shown herein, and is to fit to consistent with principles disclosed herein and feature widest
Range.
Claims (5)
1. a kind of type smoke pollutant removal device with Venturi tube, it is characterised in that：
Including shell（1）, shell（1）Lower sides be provided with flue gas input pipe（5）, shell（1）Top setting flue gas go out
Mouthful（15）；Shell（1）Interior middle part is horizontally arranged with the orifice plate for the aperture that coordinates with side wall and gather（10）, shell（1）Interior lower part is set
It is equipped with and at least one pass through and be fixed on orifice plate（10）Vertical Venturi tube（6）, Venturi tube（6）Upper end be outlet, text
Venturi（6）Lower end air inlet by pipeline be arranged in shell（1）Outside simultaneously carries air intake II（7）Wind turbine（8）
Air outlet is connected, each Venturi tube（6）Neck at be provided at least one opening pipe, the open tube nozzle is less than shell
（1）The reaction solution that bottom fills（9）Liquid level；
Orifice plate（10）Top be provided with absorb flue gas in moisture demister（13）With for cleaning demister（13）Spray
Clarifier（12）, spray eliminator（12）It is connect with external water source and is provided with multiple spray heads（14）With corresponding pipeline.
2. type smoke pollutant removal device according to claim 1, which is characterized in that the flue gas input pipe（5）Side
Wall is communicated with including air separator（3）And ozone generator（4）Ozone generating-device, air separator（3）With air
Entrance I（2）, air separator（3）Outlet connect ozone generator（4）Entrance, ozone generator（4）Outlet connect cigarette
Gas input pipe（5）.
3. type smoke pollutant removal device according to claim 1, which is characterized in that the Venturi tube（6）Upper setting
Open tube shape be inverted L-shaped.
4. type smoke pollutant removal device according to claim 1, which is characterized in that the Venturi tube（6）Outlet exists
Orifice plate（10）It is upper uniformly distributed, Venturi tube（6）Quantity is 5 ~ 20.
5. type smoke pollutant removal device according to claim 1, which is characterized in that the orifice plate（10）On aperture it is straight
Diameter is 5 ~ 50mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720621934.6U CN207722608U (en) | 2017-06-01 | 2017-06-01 | A kind of type smoke pollutant removal device with Venturi tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720621934.6U CN207722608U (en) | 2017-06-01 | 2017-06-01 | A kind of type smoke pollutant removal device with Venturi tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207722608U true CN207722608U (en) | 2018-08-14 |
Family
ID=63089924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720621934.6U Expired - Fee Related CN207722608U (en) | 2017-06-01 | 2017-06-01 | A kind of type smoke pollutant removal device with Venturi tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207722608U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107174933A (en) * | 2017-06-01 | 2017-09-19 | 山东三融环保工程有限公司 | A kind of smoke eliminator with turbulent flow gas-liquid switching layer |
| CN113244763A (en) * | 2021-06-07 | 2021-08-13 | 大连海事大学 | Device is administered to high-speed thoughtlessly dissolving waste gas |
-
2017
- 2017-06-01 CN CN201720621934.6U patent/CN207722608U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107174933A (en) * | 2017-06-01 | 2017-09-19 | 山东三融环保工程有限公司 | A kind of smoke eliminator with turbulent flow gas-liquid switching layer |
| CN113244763A (en) * | 2021-06-07 | 2021-08-13 | 大连海事大学 | Device is administered to high-speed thoughtlessly dissolving waste gas |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20180814 Termination date: 20210601 |