CN114307621A - Biological bubble scrubbing tower - Google Patents
Biological bubble scrubbing tower Download PDFInfo
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- CN114307621A CN114307621A CN202210001172.5A CN202210001172A CN114307621A CN 114307621 A CN114307621 A CN 114307621A CN 202210001172 A CN202210001172 A CN 202210001172A CN 114307621 A CN114307621 A CN 114307621A
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- bubbling
- activated sludge
- washing tower
- pool
- pipe
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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
Abstract
The invention discloses a biological bubble washing tower, which relates to the field of waste gas treatment equipment, and comprises a washing tower body and is characterized in that: the washing tower comprises a washing tower body, a packing layer, an exhaust funnel, a detection port, a packing layer and a demisting layer, wherein the top of the washing tower body is provided with the exhaust funnel; the device comprises a bubbling activated sludge pool, a bubbling absorption pool and a plurality of gas dispersers, wherein the bubbling absorption pool is arranged above the bubbling activated sludge pool; the circulating spray absorption system is arranged between the washing tower body and the bubbling activated sludge pool; the oxygen aeration system can introduce air into the bubbling activated sludge tank and the activated sludge tank; the biological bubbling washing tower absorbs pollutants such as formaldehyde in the waste gas through the biochemical suspension, the waste gas passes through the spraying and filling layer by layer from bottom to top in the tower, pollutants in the waste gas are absorbed by the spraying circulating liquid, and the waste gas treatment efficiency is high.
Description
Technical Field
The invention relates to the field of waste gas treatment equipment, in particular to a biological bubbling washing tower.
Background
When the adhesive is produced in a glue manufacturing workshop, the discharged waste gas contains harmful substances such as formaldehyde and the like, and a biological filtration washing tower is required to be used for absorption treatment.
The existing biological filtration washing tower has poor absorption effect, the concentration of formaldehyde in the discharged waste gas is too high, and after long-time use, biochemical suspension in an activated sludge pool is in a colloid shape, and sludge in a water sample cannot be separated through long-time standing and a vacuum filtration device; the highest treatment efficiency of the existing biological filtration washing tower is about 95 percent, and when the concentration of formaldehyde in the inlet waste gas exceeds 80 mg/m3, the emission concentration of formaldehyde at the outlet of the biological filtration washing tower exceeds the standard, so that a new absorption and purification device needs to be researched to treat the formaldehyde waste gas.
Disclosure of Invention
The present invention is directed to a bio-bubble scrubber to solve the above problems of the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
a biological bubble scrubbing tower, includes the scrubbing tower body, still includes:
the washing tower comprises a washing tower body, a packing layer, an exhaust funnel, a detection port, a packing layer and a demisting layer, wherein the top of the washing tower body is provided with the exhaust funnel;
the device comprises a bubbling activated sludge pool, wherein a bubbling absorption pool is arranged above the bubbling activated sludge pool, a plurality of gas dispersers are arranged inside the bubbling absorption pool, and the bubbling activated sludge pool is communicated with the activated sludge pool through a communicating pipe arranged on the side wall;
the circulating spraying absorption system is arranged between the washing tower body and the bubbling activated sludge tank and is used for absorbing harmful substances in the waste gas in a mode of spraying absorption liquid;
and the oxygen aeration system is arranged outside the bubbling absorption tank and can introduce air into the bubbling activated sludge tank and the activated sludge tank.
On the basis of the technical scheme, the invention also provides the following optional technical scheme:
in one alternative: the circulating spray absorption system comprises a spray water pump, a spray water pipe, a bag filter and a spray head, wherein a water inlet pipe is connected to a water inlet of the spray water pump, one end of the water inlet pipe penetrates into the bubbling activated sludge pond, a water outlet of the spray water pipe is connected with the bag filter, and the bag filter can filter sprayed absorption liquid.
In one alternative: and a spray header is arranged on one side of the bag filter, water outlet pipes are arranged on the side walls of the spray header, the two water outlet pipes penetrate into the bubbling activated sludge tank and the washing tower body respectively, and a plurality of spray headers are arranged outside the water outlet pipes.
In one alternative: the oxygenation aeration system includes aeration fan, aeration tuber pipe and aeration dish, the aeration fan sets up in tympanic bulla activated sludge pond outside, aeration fan air outlet is connected with the aeration tuber pipe, aeration tuber pipe one end is connected with out the tuber pipe, two it penetrates tympanic bulla activated sludge pond and activated sludge bottom of the pool respectively to go out the tuber pipe, the part that goes out the tuber pipe and penetrates the absorption liquid is provided with a plurality of aeration dishes.
In one alternative: two packing layers are arranged in the washing tower body, and water outlet pipes used for spraying absorption liquid are arranged above the two packing layers.
In one alternative: and an air inlet pipeline is arranged on the side wall of the bubbling absorption tank, and one end of the air inlet pipeline is connected with a high-pressure centrifugal fan.
In one alternative: manholes are formed in the side wall of the washing tower body and the top of the bubbling activated sludge tank.
Compared with the prior art, the invention has the following beneficial effects:
the biological bubbling washing tower guides waste gas into the bubbling absorption tank through the high-pressure centrifugal fan, the waste gas is absorbed through biochemical suspension, most of pollutants such as formaldehyde in the waste gas are dissolved in the bubbling absorption tank, the incompletely absorbed waste gas enters the biological washing tower, the waste gas passes through the spraying and packing layers from bottom to top in the tower and is fully contacted with the spraying absorption liquid in a countercurrent manner, pollutants in the waste gas are absorbed by the spraying circulating liquid, and therefore the waste gas is purified, the spraying circulating absorption liquid adopts a complete mixing mode in the activated sludge tank, the spraying circulating flow is sufficient, the pollutants are fully contacted with biological floras, and the waste gas treatment efficiency is high.
Drawings
Fig. 1 is a schematic diagram of the structure of a biological bubble scrubber.
Notations for reference numerals: 1-washing tower body, 2-activated sludge pool, 3-bubbling activated sludge pool, 4-packing layer, 5-manhole, 6-spray head, 7-demisting layer, 8-exhaust cylinder, 9-detection port, 10-spray water pipe, 101-water outlet pipe, 11-communicating pipe, 12-spray water pump, 121-water inlet pipe, 13-bag filter, 14-bubbling absorption pool, 15-high pressure centrifugal fan, 16-aeration disk, 17-aeration fan, 18-aeration wind pipe, 181-air outlet pipe and 19-disperser gas.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
As shown in fig. 1, a biological bubble column according to an embodiment of the present invention includes a column body 1, and further includes:
the washing tower comprises a washing tower body 1, a packing layer 4, an exhaust funnel 8, a detection port 9, a packing layer 4 and a demisting layer 7, wherein the top of the washing tower body 1 is provided with the exhaust funnel 8, the side wall of the exhaust funnel 8 is provided with the detection port 9, the bottom of an inner cavity of the washing tower body 1 is provided with an activated sludge pool 2;
the device comprises a bubbling activated sludge pool 3, wherein a bubbling absorption pool 14 is arranged above the bubbling activated sludge pool 3, a plurality of gas dispersers 19 are arranged in the bubbling absorption pool 14, and the bubbling activated sludge pool 3 is communicated with an activated sludge pool 2 through a communicating pipe 11 arranged on the side wall;
the circulating spray absorption system is arranged between the washing tower body 1 and the bubbling activated sludge tank 3 and is used for absorbing harmful substances in the waste gas in a mode of spraying absorption liquid;
and the oxygen-increasing aeration system is arranged outside the bubbling absorption tank 14 and can introduce air into the bubbling activated sludge tank 3 and the activated sludge tank 2.
As shown in fig. 1, as a preferred embodiment of the present invention, the circulating spray absorption system includes a spray water pump 12, a spray water pipe 10, a bag filter 13 and a spray header 6, a water inlet pipe 121 is connected to a water inlet of the spray water pump 12, one end of the water inlet pipe 121 penetrates into the bubbling activated sludge tank 3, a bag filter 13 is connected to a water outlet of the spray water pump 12, and the bag filter 13 can filter sprayed absorption liquid.
As shown in fig. 1, as a preferred embodiment of the present invention, a spray pipe 10 is disposed on one side of the bag filter 13, a water outlet pipe 101 is disposed on a side wall of the spray pipe 10, the two water outlet pipes 101 respectively penetrate into the bubbling activated sludge tank 3 and the washing tower 1, a plurality of spray headers 6 are disposed outside the water outlet pipes 101, a spray water pump 12 pumps out absorption liquid in the bubbling activated sludge tank 3, and sprays and absorbs exhaust gas that escapes from the bubbling absorption tank 14 and passes through the packing layer 4, and the bag filter 13 filters the sprayed absorption liquid.
As shown in fig. 1, as a preferred embodiment of the present invention, the oxygen aeration system includes an aeration blower 17, an aeration air pipe 18 and aeration disks 16, the aeration blower 17 is disposed outside the bubbling activated sludge pool 3, the aeration air pipe 18 is connected to an air outlet of the aeration blower 17, one end of the aeration air pipe 18 is connected to an air outlet pipe 181, the two air outlet pipes 181 respectively penetrate into the bottoms of the bubbling activated sludge pool 3 and the activated sludge pool 2, a plurality of aeration disks 16 are disposed at a part of the air outlet pipe 181 penetrating into the absorption liquid, and the aeration blower 17 is used for introducing air into the bottoms of the bubbling activated sludge pool 3 and the activated sludge pool 2 through cooperation of the aeration air pipe 18 and the aeration disks 16.
As shown in fig. 1, as a preferred embodiment of the present invention, two packing layers 4 are disposed inside the washing tower body 1, and water outlet pipes 101 for spraying absorption liquid are disposed above the two packing layers 4.
As shown in fig. 1, as a preferred embodiment of the present invention, an air inlet pipe 1 is disposed on a side wall of the bubbling absorption cell 14, one end of the air inlet pipe 1 is connected to a high-pressure centrifugal fan 15, and the high-pressure centrifugal fan 15 introduces the exhaust gas into the bubbling absorption cell 14.
As shown in fig. 1, as a preferred embodiment of the present invention, manholes 5 are provided on the side wall of the washing tower body 1 and the top of the bubbling activated sludge tank 3.
The working principle is as follows: the waste gas is led into a biological bubbling washing tower under the action of a high-pressure centrifugal fan 15, the waste gas firstly enters a bubbling absorption tank 14, the waste gas is dispersed into small bubbles under the action of a gas disperser 19 in the tank and is closely contacted with biochemical suspension, most of pollutants such as formaldehyde in the waste gas are dissolved in the bubbling absorption tank 14, the waste gas overflows from the bubbling absorption tank 14 and is then contacted with biochemical absorption liquid sprayed by a spraying device on the upper part of the bubbling absorption tank 14, the pollutants in the waste gas are absorbed partially again, then the waste gas falls down from a channel between the two bubbling absorption tanks 14 along with sprayed biochemical suspension liquid drops and enters a space between the bubbling active sludge tank 3 and the bubbling absorption tanks 14 for gas-water settlement separation, the separated waste gas enters the biological washing tower through a communicating pipe 11, and the waste gas sequentially passes through a packing layer 4 and a demisting layer 7 from bottom to top in the tower, and the waste gas is in countercurrent full contact with the sprayed absorption liquid, and pollutants such as formaldehyde, ammonia, partial VOCs and the like in the waste gas are absorbed by the sprayed circulating liquid, so that the waste gas is purified and finally discharged through the top exhaust funnel 8 after reaching the standard. The biochemical absorption liquid sprayed above the bubbling absorption tank 14 is also a source of the biochemical absorption liquid in the bubbling absorption tank 14, and redundant biochemical absorption liquid overflows from the bubbling absorption tank 14 and enters the bubbling activated sludge tank 3 below. The sprayed absorption liquid finally falls into a bubbling activated sludge tank 3 and an activated sludge tank 2, the sludge tank contains biological floras which are cultured by directional domestication and specially decompose formaldehyde and organic pollutants, the pollutants are rapidly oxidized and decomposed under the action of bacteria and microorganisms in the tanks, and the generated energy is used as energy and nutrient substances for self survival by the microorganisms. The spraying circulation absorption liquid adopts a complete mixing mode in the sludge tank, the spraying circulation flow is sufficient, the pollutants are fully contacted with the biological flora, and the treatment efficiency is high.
The above description is only for the specific embodiments of the present disclosure, but the scope of the present disclosure is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present disclosure, and all the changes or substitutions should be covered within the scope of the present disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.
Claims (7)
1. The utility model provides a biological tympanic bulla scrubbing tower, includes the scrubbing tower body, its characterized in that still includes:
the washing tower comprises a washing tower body, a packing layer, an exhaust funnel, a detection port, a packing layer and a demisting layer, wherein the top of the washing tower body is provided with the exhaust funnel;
the device comprises a bubbling activated sludge pool, wherein a bubbling absorption pool is arranged above the bubbling activated sludge pool, a plurality of gas dispersers are arranged inside the bubbling absorption pool, and the bubbling activated sludge pool is communicated with the activated sludge pool through a communicating pipe arranged on the side wall;
the circulating spraying absorption system is arranged between the washing tower body and the bubbling activated sludge tank and is used for absorbing harmful substances in the waste gas in a mode of spraying absorption liquid;
and the oxygen aeration system is arranged outside the bubbling absorption tank and can introduce air into the bubbling activated sludge tank and the activated sludge tank.
2. The biological bubble scrubber according to claim 1, wherein the circulating spray absorption system comprises a spray water pump, a spray water pipe, a bag filter and a spray header, wherein a water inlet pipe is connected to a water inlet of the spray water pump, one end of the water inlet pipe penetrates into the interior of the bubbling activated sludge pool, a bag filter is connected to a water outlet of the spray water pump, and the bag filter can filter sprayed absorption liquid.
3. The biological bubble washing tower according to claim 2, wherein a spray pipe is arranged on one side of the bag filter, a water outlet pipe is arranged on the side wall of the spray pipe, two water outlet pipes respectively penetrate into the bubbling activated sludge tank and the washing tower body, and a plurality of spray headers are arranged outside the water outlet pipes.
4. The bubbling biological washing tower according to claim 1, wherein the oxygen aeration system comprises an aeration fan, an aeration air pipe and aeration discs, the aeration fan is arranged outside the bubbling activated sludge pool, the aeration air outlet of the aeration fan is connected with the aeration air pipe, one end of the aeration air pipe is connected with an air outlet pipe, the two air outlet pipes respectively penetrate into the bubbling activated sludge pool and the bottom of the activated sludge pool, and a plurality of aeration discs are arranged on the part of the air outlet pipe penetrating into the absorption liquid.
5. The bio-bubble washing tower according to claim 3, wherein two packing layers are arranged inside the washing tower body, and a water outlet pipe for spraying absorption liquid is arranged above each of the two packing layers.
6. The biological bubble scrubbing tower according to claim 1, wherein said side wall of said bubble absorption tank is provided with an air inlet pipe, and one end of said air inlet pipe is connected with a high-pressure centrifugal fan.
7. The biological bubble scrubbing tower according to claim 1, wherein a manhole is arranged on the side wall of the scrubbing tower body and the top of the bubble activated sludge tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210001172.5A CN114307621A (en) | 2022-01-04 | 2022-01-04 | Biological bubble scrubbing tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210001172.5A CN114307621A (en) | 2022-01-04 | 2022-01-04 | Biological bubble scrubbing tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114307621A true CN114307621A (en) | 2022-04-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210001172.5A Pending CN114307621A (en) | 2022-01-04 | 2022-01-04 | Biological bubble scrubbing tower |
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| Country | Link |
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| CN (1) | CN114307621A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1986034A (en) * | 2006-12-07 | 2007-06-27 | 同济大学 | Enhanced biological spraying and bubbling gas absorbing purifier |
| CN102188898A (en) * | 2010-03-10 | 2011-09-21 | 中国科学院生态环境研究中心 | Combined biological deodorization integrated equipment and processing method of odorous gas |
| CN204380492U (en) * | 2014-12-08 | 2015-06-10 | 北京智创环绿科技有限公司 | The treatment facility of a kind of sulfide hydrogen and ammonia foul gas |
| CN205832942U (en) * | 2016-07-01 | 2016-12-28 | 福建卫东环保股份有限公司 | A kind of bubble type desulfurization fining air bubbles plate |
| CN109331623A (en) * | 2018-06-05 | 2019-02-15 | 华北电力大学（保定） | A kind of smoke pollution of boiler object calcium method integration deep removal system based on preposition oxidation |
| CN110180370A (en) * | 2019-05-10 | 2019-08-30 | 华电电力科学研究院有限公司 | A kind of System and method for being bubbled the integrative coordinated removing multiple pollutant of spray |
| CN112263909A (en) * | 2020-10-16 | 2021-01-26 | 山东索源环境科技有限公司 | Biological filtration washing tower |
-
2022
- 2022-01-04 CN CN202210001172.5A patent/CN114307621A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1986034A (en) * | 2006-12-07 | 2007-06-27 | 同济大学 | Enhanced biological spraying and bubbling gas absorbing purifier |
| CN102188898A (en) * | 2010-03-10 | 2011-09-21 | 中国科学院生态环境研究中心 | Combined biological deodorization integrated equipment and processing method of odorous gas |
| CN204380492U (en) * | 2014-12-08 | 2015-06-10 | 北京智创环绿科技有限公司 | The treatment facility of a kind of sulfide hydrogen and ammonia foul gas |
| CN205832942U (en) * | 2016-07-01 | 2016-12-28 | 福建卫东环保股份有限公司 | A kind of bubble type desulfurization fining air bubbles plate |
| CN109331623A (en) * | 2018-06-05 | 2019-02-15 | 华北电力大学（保定） | A kind of smoke pollution of boiler object calcium method integration deep removal system based on preposition oxidation |
| CN110180370A (en) * | 2019-05-10 | 2019-08-30 | 华电电力科学研究院有限公司 | A kind of System and method for being bubbled the integrative coordinated removing multiple pollutant of spray |
| CN112263909A (en) * | 2020-10-16 | 2021-01-26 | 山东索源环境科技有限公司 | Biological filtration washing tower |
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Application publication date: 20220412 |