CN218608806U - Combined deodorization device - Google Patents
Combined deodorization device Download PDFInfo
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- CN218608806U CN218608806U CN202223228295.7U CN202223228295U CN218608806U CN 218608806 U CN218608806 U CN 218608806U CN 202223228295 U CN202223228295 U CN 202223228295U CN 218608806 U CN218608806 U CN 218608806U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Treating Waste Gases (AREA)
Abstract
The utility model relates to a combined type deodorization device, which comprises a chemical spray nozzle connected in sequenceSpray tower, biological filler filter tank and TiO 2 The device comprises a photocatalytic reactor, wherein a waste gas inlet is formed in the lower part of a chemical spray tower, a waste gas outlet is formed in the top of the chemical spray tower, a partition plate for dividing the internal space of the chemical spray tower into an upper layer and a lower layer is arranged in the middle of the chemical spray tower, the upper layer is an acid washing tower body capable of absorbing alkaline gas, the lower layer is an alkali washing tower body capable of absorbing acidic gas, and a vent hole is formed in the partition plate; the biological filler filter is internally provided with biological fillers, the left side of the biological filler filter is provided with an aeration pipe, and the right side of the biological filler filter is provided with a plug flow stirrer; the TiO is 2 The air inlet of the photocatalytic reactor is provided with a dryer, and the air outlet is provided with a waste gas discharge pipe. The utility model discloses practicality and operational reliability are good, and compact structure, area are less, can effectively improve the clearance of pollutant in the waste gas, realize better deodorization effect.
Description
Technical Field
The utility model belongs to the technical field of exhaust-gas treatment, concretely relates to modular deodorizing device.
Background
With the progress and development of society, the living standard of people is continuously improved, organic waste gas generated in the industrial production process is increased day by day, the components of the organic waste gas are complex, the main components of the organic waste gas are C, N, P-containing organic matters and are also mixed with a certain amount of NH 3 、H 2 Inorganic gases such as S have pungent odor.
The conventional odor treatment methods at present comprise a chemical spraying method, a UV photolysis method, an activated carbon adsorption method, a biological filter and other technologies. For example, the invention is a Chinese patent application with publication number CN114870605A, and the invention name is a treatment device for removing chemical pollutants in the atmospheric environment, which improves the structure of the existing spray tower for treating the chemical polluted gas, thereby greatly improving the treatment effect on the chemical polluted gas and improving the environmental protection of equipment. Also, for example, the invention is a Chinese utility model with publication number CN217473164U, entitled high-efficiency deodorization biological filter device, which is mainly used for treating malodorous gas by biological deodorization filler.
The processes have advantages, but the removal rate of pollutants in the waste gas is low by a single treatment technology, and along with the improvement and strict execution of environmental protection requirements, a set of equipment capable of treating the odor to reach the emission standard is urgently needed to be designed.
SUMMERY OF THE UTILITY MODEL
In order to improve the lower defect of the clearance of current device pollutant in to waste gas, the utility model provides a modular deodorizing device, it has good deodorization effect, and the foul smell can discharge to reach standard after its processing promptly.
The utility model provides an above-mentioned technical problem's technical scheme as follows:
a combined deodorization device comprises a chemical spray tower, a biological filler filter tank and TiO which are connected in sequence 2 The device comprises a photocatalytic reactor, wherein a waste gas inlet is formed in the lower part of a chemical spray tower, a waste gas outlet is formed in the top of the chemical spray tower, a partition plate for dividing the internal space of the chemical spray tower into an upper layer and a lower layer is arranged in the middle of the chemical spray tower, the upper layer is an acid washing tower body capable of absorbing alkaline gas, the lower layer is an alkali washing tower body capable of absorbing acidic gas, and the partition plate is provided with an air vent; the biological filler filter is internally provided with biological fillers, the left side of the biological filler filter is provided with an aeration pipe, and the right side of the biological filler filter is provided with a plug flow stirrer; the TiO is 2 The air inlet of the photocatalytic reactor is provided with a dryer, and the air outlet is provided with a waste gas discharge pipe.
On the basis of the technical scheme, the utility model discloses can also do following improvement.
Furthermore, the top of the alkaline washing tower body is provided with a plurality of alkaline solution spray heads, and the bottom of the alkaline washing tower body is provided with alkaline solution used for washing; the alkali liquor spray head is communicated with the alkali liquor at the bottom of the alkali washing tower body through an alkali circulation spray pipe provided with an alkali circulation pump.
Further, the baffle is the radius platform form, the blow vent is seted up in the middle part of baffle, and is provided with directly over the blow vent and keeps off sour board.
Further, the top of pickling tower body is provided with a plurality of acidizing fluid shower nozzle, and the bottom is provided with the acidizing fluid overflow pipe, the acidizing fluid overflow pipe is connected in the acidizing fluid collecting box, the acidizing fluid collecting box is through the sour circulation shower connection acidizing fluid shower nozzle that disposes the acid circulating pump.
Furthermore, the top of the biological filler filter tank is provided with a first exhaust pipe, and the bottom of the biological filler filter tank is provided with a first sewage discharge pipe.
Further, the TiO 2 The gas outlet of the photocatalytic reactor is connected with the waste gas inlet of the chemical spray tower through a waste gas reflux branch pipe.
Further, a negative pressure fan is arranged at the waste gas inlet of the chemical spray tower.
Further, the TiO 2 An on-line waste gas analyzer is arranged at the gas outlet of the photocatalytic reactor.
Further, the TiO 2 The top of the photocatalytic reactor is provided with a second exhaust pipe, and the bottom of the photocatalytic reactor is provided with a second sewage discharge pipe.
The utility model has the advantages that: the utility model discloses practicality and operational reliability are good, and compact structure, area are less, can effectively improve the clearance of pollutant in the waste gas, realize better deodorization effect.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure:
10. chemical spray tower, 11, waste gas inlet, 12, waste gas outlet, 13, partition board, 14, vent, 20, acid cleaning tower body, 21, acid baffle plate, 22, acid liquor spray nozzle, 23, acid liquor overflow pipe, 24, acid liquor collecting box, 25, acid circulating pump, 26, acid circulating spray pipe, 27, first access hole, 30, alkali cleaning tower body, 31, alkali liquor spray nozzle, 32, alkali circulating pump, 33, alkali circulating spray pipe, 34, second access hole, 40, biological filler filter tank, 41, aeration pipe, 42, plug flow stirrer, 43, first exhaust pipe, 44, first exhaust pipe, 50, tiO 2 The device comprises a photocatalytic reactor 51, a dryer 52, an exhaust gas discharge pipe 53, an exhaust gas reflux branch pipe 54, a second exhaust pipe 55 and a second sewage discharge pipe.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
Example 1
As shown in FIG. 1, the combined deodorization apparatus of the present embodiment comprises a chemical spray tower 10, a biological filler filter 40 and TiO sequentially connected by pipes 2 A photocatalytic reactor 50. The lower part of the chemical spray tower 10 is provided with a waste gas inlet 11, the top part is provided with a waste gas outlet 12, and the middle part is provided with a clapboard 13 which is used for dividing the internal space of the chemical spray tower 10 into an upper layer and a lower layer. The upper layer is an acid washing tower body 20 capable of absorbing alkaline gas, the lower layer is an alkaline washing tower body 30 capable of absorbing acidic gas, and the partition plate 13 is provided with a vent 14.
The top of the alkaline washing tower body 30 is provided with a plurality of alkaline solution nozzles 31, and the bottom is provided with alkaline solution used for washing. The alkali liquor spray head 31 is communicated with the alkali liquor at the bottom of the alkali washing tower body 30 through an alkali circulation spray pipe 33 provided with an alkali circulation pump 32. Thereby realizing sufficient countercurrent absorption mass transfer by the alkali liquor sprayed by the alkali liquor spray head 31 and the waste gas moving upwards to absorb H in the waste gas 2 S, and the like. In addition, the alkali liquor can be recycled, and the alkali circulating liquid is regenerated or replaced after being saturated.
In this embodiment, the partition plate 13 is preferably in an inverted circular truncated cone shape, the vent hole 14 is opened in the middle of the partition plate 13 to prevent the acid solution from flowing into the lower alkaline washing tower 30, and the acid blocking plate 21 is arranged right above the vent hole 14 to prevent the acid solution from spraying into the lower alkaline washing tower 30.
The top of the pickling tower body 20 is provided with a plurality of acid liquor spray heads 22, and the bottom is provided with an acid liquor overflow pipe 23. The acid liquor overflow pipe 23 is connected to an acid liquor collection box 24. The acid liquor collection tank 24 is connected to the acid liquor spray head 22 via an acid circulation spray pipe 26 equipped with an acid circulation pump 25. So as to realize sufficient countercurrent absorption mass transfer by utilizing the acid liquor sprayed by the acid liquor spray head 22 and the waste gas moving upwards to absorb NH in the waste gas 3 And the like. In addition, the acid liquor can be recycled, and the acid circulating liquor can be regenerated or replaced after being saturated.
In this embodiment, the acid liquid collecting box 24 is disposed at the bottom of the alkaline washing tower 30, so as to save the floor space and the space. The acid washing tower body 20 is provided with a first access hole 27, and the alkali washing tower body 30 is provided with a second access hole 34, so that the chemical spray tower 10 can be conveniently overhauled and maintained.
The biological filler filter 40 is internally provided with biological fillers, the left side of the biological filler filter 40 is provided with an aeration pipe 41, and the right side is provided with a plug flow stirrer 42. The main function of the aeration pipe 41 is to provide a good oxygen supply environment for the aerobic microorganisms, so that the left side of the biological filler filter 40 is suitable for the existence of the aerobic microorganisms, and the right side is suitable for the existence of the anaerobic microorganisms (the oxygen content is lower). I.e., a biofilter 40 suitable for the growth of microorganisms, the main function of which is to remove organic pollutants from the exhaust gas. After the waste gas enters the biological filler filter 40 from the chemical spray tower 10, the microorganisms adsorbed on the filler can decompose macromolecular organic matters in the waste gas into micromolecular organic matters under the action of metabolism and nitrification/denitrification, so that the content of organic pollutants in the waste gas is greatly reduced, and energy is provided for the metabolism. In addition, the sludge deposition can be effectively prevented by providing the plug-flow agitator 42.
The TiO is 2 The inlet of the photocatalytic reactor 50 is provided with a dryer 51, and the outlet is provided with an exhaust gas discharge pipe 52. The water vapor mixed in the exhaust gas is removed by the dryer 51. The TiO is 2 The photocatalytic reactor 50 uses ultraviolet light + TiO 2 A film capable of decomposing organic substances which are hardly decomposed by microorganisms into H 2 O and CO 2 After the exhaust gas reaches the standard through catalytic oxidation treatment, the exhaust gas can be directly discharged through an exhaust gas discharge pipe 52.
Preferably, the biological filler filter 40 of the present embodiment is provided with a first exhaust pipe 43 at the top and a first sewage pipe 44 at the bottom; the TiO is 2 The second exhaust pipe 54 is provided at the top of the photocatalytic reactor 50, and the second soil discharge pipe 55 is provided at the bottom. The exhaust pipe is arranged, so that potential safety hazards caused by overlarge air pressure are reduced; through setting up the blow off pipe to outer waste residue or waste water of arranging.
Example 2
The structure of this example is substantially similar to example 1, except that TiO 2 Improved design of the photocatalytic reactor 50.
The TiO of this example 2 The gas outlet of the photocatalytic reactor 50 is connected to the waste gas inlet 11 of the chemical spray tower 10 through a waste gas reflux branch pipe 53.
Through the waste gas backward flow branch pipe 53 who adds, can make the waste gas that does not satisfy emission standard after handling return to chemical spray column 10, circulate again, until discharge to reach standard to further promote the utility model discloses a practicality and operational reliability ensure the deodorization effect.
A negative pressure fan is arranged at the waste gas inlet 11 of the chemical spray tower 10 to collect odor of each system and/or substandard waste gas returned by the waste gas reflux branch pipe 53 to the chemical spray tower 10.
In this example, the TiO 2 An on-line exhaust gas analyzer is provided at the outlet of the photocatalytic reactor 50 to confirm whether the treated exhaust gas meets the emission standard.
The working principle of the combined deodorization device in the embodiment is as follows:
1) After being collected by a negative pressure fan, odor of each system enters the chemical spray tower 10 from a waste gas inlet 11 of the chemical spray tower 10, the chemical spray tower 10 is divided into an upper layer and a lower layer by a partition plate 13, the lower layer is an alkaline washing tower body 30, alkaline liquor used for washing is pumped into an alkaline liquor spray head 31 arranged at the top of the alkaline washing tower body 30 through an alkaline circulating pump 32, and the alkaline liquor and the waste gas realize sufficient countercurrent absorption mass transfer, so that H in the waste gas can be effectively reduced 2 S, etc. acid gas concentration.
2) After the alkaline washing tower body 30 finishes washing, waste gas enters the bottom of the upper-layer acid washing tower body 20 through the air vent 14 on the partition plate 13, the acid baffle plate 21 is arranged right above the air vent 14, acid liquid can be prevented from being sprayed into the lower-layer alkaline washing tower body 30, acid circulating liquid in the acid liquid collecting box 24 is pumped into the acid liquid spray head 22 arranged at the top of the acid washing tower body 20 through the acid circulating pump 25, and meanwhile, an acid liquid overflow pipe 23 is arranged at the bottom of the acid washing tower body 30 and is used for collecting the acid circulating liquid to the acid liquid collecting box 24. The acid/base recycle liquor is saturated and needs to be regenerated or replaced.
3) After the chemical washing is finished, the waste gas enters a biological filler filter 40 from a waste gas outlet 12 of the chemical spray tower 10, biological fillers are arranged in the filter, microorganisms can grow and breed on the fillers, an aeration pipe 41 is arranged on the left side of the filter, a good oxygen supply environment is provided for aerobic microorganisms, and the oxygen content on the right side of the filter is lower, so that the biological filler filter is suitable for the survival of anaerobic microorganisms. In addition, the right side of the filter tank is provided with a plug flow stirrer 42, which can effectively prevent sludge deposition. The biological filler filter 40 is a closed space, and the first exhaust pipe 43 is arranged at the top of the filter, so that potential safety hazards caused by overlarge air pressure are reduced. And the bottom of the filter is provided with a first drainage pipe 44, if the concentration of suspended solids in the filter is too high, a pipeline valve can be opened to discharge partial waste residues.
4) The waste gas treated by the biological filler filter 40 enters TiO 2 Photocatalytic reactor 50, tiO 2 A dryer 51 is provided at the inlet of the photocatalytic reactor 50 to remove water vapor mixed in the gas, and the water vapor is introduced into TiO 2 Under the synergistic action of the film and ultraviolet light, the organic matters which are difficult to decompose in the waste gas are decomposed into CO 2 And H 2 And O, directly discharging the waste gas after reaching the standard after treatment through the waste gas discharge pipe 52 at the gas outlet, if the waste gas does not meet the discharge standard after treatment, closing a valve of the waste gas discharge pipe 52, and returning the waste gas which does not reach the standard to the chemical spray tower 10 through the waste gas reflux branch pipe 53 until the waste gas is qualified for treatment and then discharging.
The combined deodorization device adopts a double-layer chemical spray tower 10 with an improved structure, and is matched with a biological filler filter 40 and TiO 2 The photocatalytic reactor 50 can effectively reduce the content of pollutants in the waste gas, achieve a better deodorization effect, and obviously improve the removal rate of the pollutants in the waste gas compared with the prior device.
The utility model discloses in, the equipment and the subassembly that do not describe the structure are commercial equipment or subassembly.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (9)
1. A combined deodorization device is characterized by comprising a chemical spray tower (10), a biological filler filter tank (40) and TiO which are connected in sequence 2 The device comprises a photocatalytic reactor (50), wherein a waste gas inlet (11) is formed in the lower part of a chemical spray tower (10), a waste gas outlet (12) is formed in the top part of the chemical spray tower, a partition plate (13) used for dividing the internal space of the chemical spray tower (10) into an upper layer and a lower layer is arranged in the middle of the chemical spray tower, the upper layer is an acid washing tower body (20) capable of absorbing alkaline gas, the lower layer is an alkaline washing tower body (30) capable of absorbing acidic gas, and a vent hole (14) is formed in the partition plate (13); biological fillers are arranged in the biological filler filter (40), an aeration pipe (41) is arranged on the left side of the biological filler filter (40), and a plug flow stirrer (42) is arranged on the right side of the biological filler filter; the TiO is 2 A dryer (51) is arranged at the air inlet of the photocatalytic reactor (50), and an exhaust gas discharge pipe (52) is arranged at the air outlet.
2. A combined deodorising plant as claimed in claim 1, characterised in that the caustic wash tower (30) is provided with several lye nozzles (31) at the top and lye for washing at the bottom; the alkali liquor spray head (31) is communicated with the alkali liquor at the bottom of the alkali washing tower body (30) through an alkali circulation spray pipe (33) provided with an alkali circulation pump (32).
3. A combined deodorising device as claimed in claim 1, characterised in that the partition (13) is rounded off, that the vent (14) opens in the middle of the partition (13), and that a baffle (21) is provided directly above the vent (14).
4. A combined deodorising unit as claimed in claim 3, characterised in that the pickling tower (20) is provided with acid sprayers (22) at the top and acid overflow pipes (23) at the bottom, the acid overflow pipes (23) being connected to an acid collection tank (24), the acid collection tank (24) being connected to the acid sprayers (22) via an acid circulation shower (26) with an acid circulation pump (25).
5. A combined deodorising block as claimed in claim 1, characterised in that the biological filler filter (40) is provided with a first exhaust duct (43) at the top and a first blowdown duct (44) at the bottom.
6. The combination deodorizing device of claim 1 wherein said TiO is selected from the group consisting of 2 The air outlet of the photocatalytic reactor (50) is connected with the waste gas inlet (11) of the chemical spray tower (10) through a waste gas reflux branch pipe (53).
7. A combined deodorising unit according to claim 6, characterised in that a negative pressure fan is arranged at the exhaust gas inlet (11) of the chemical spray tower (10).
8. A combined deodorising device according to claim 6, characterised in that the TiO is 2 An on-line waste gas analyzer is arranged at the gas outlet of the photocatalytic reactor (50).
9. The combination deodorizing device of claim 1 wherein said TiO is selected from the group consisting of 2 The top of the photocatalytic reactor (50) is provided with a second exhaust pipe (54), and the bottom of the photocatalytic reactor is provided with a second sewage discharge pipe (55).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223228295.7U CN218608806U (en) | 2022-12-02 | 2022-12-02 | Combined deodorization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223228295.7U CN218608806U (en) | 2022-12-02 | 2022-12-02 | Combined deodorization device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218608806U true CN218608806U (en) | 2023-03-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223228295.7U Active CN218608806U (en) | 2022-12-02 | 2022-12-02 | Combined deodorization device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218608806U (en) |
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2022
- 2022-12-02 CN CN202223228295.7U patent/CN218608806U/en active Active
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