CN210125294U - Biological deodorization system of sewage station - Google Patents
Biological deodorization system of sewage station Download PDFInfo
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- CN210125294U CN210125294U CN201920417761.5U CN201920417761U CN210125294U CN 210125294 U CN210125294 U CN 210125294U CN 201920417761 U CN201920417761 U CN 201920417761U CN 210125294 U CN210125294 U CN 210125294U
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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
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Abstract
A biological deodorization system of a sewage station mainly comprises a horizontal deodorization tank, a centrifugal fan, an exhaust funnel and a PLC control system; the deodorization tank is divided into a pre-washing tank at the front end and a biological filter tank at the rear end by a first partition plate and a second partition plate, and the first partition plate is connected with the bottom of the deodorization tank and is not connected with the top; the second partition plate is connected with the top of the deodorization tank and is not connected with the bottom of the deodorization tank, an air passage is formed between the first partition plate and the second partition plate, and the air passage is positioned between the prewashing tank and the biological filter tank; the bottom of the side wall of the prewashing tank is provided with an air inlet pipe, the middle part of the prewashing tank is provided with a first packing layer, and a first spray header is arranged above the first packing layer; the biological filter tank is characterized in that a second packing layer is arranged in the middle of the biological filter tank, and a second spray head is arranged above the second packing layer.
Description
Technical Field
The utility model relates to a waste water deodorization field especially relates to a sewage station biological deodorization system.
Background
A large amount of malodorous gases and organic volatile gases (VOCs) are generated in the sewage treatment process, influence is generated on the surrounding environment, and harm is generated to the physical and psychological health of people. In order to reduce the influence of odor emitted in the sewage treatment process on the air environment of a factory, odor gas is generally collected and then purified by adopting a reasonable deodorization process, so that the odor is treated by a deodorization device, odor components are eliminated, and the odor is purified and then discharged.
Many deodorization devices in the market are complex at present, and utilize a photocatalyst lamp tube to deodorize, but the occupied area is large, and the cost is high; some deodorization devices have simple structures, low cost and small occupied area, but the deodorization effect is common.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome the not enough of prior art, provide a sewage station biological deodorization system that structural design is scientific, with low costs, deodorization effect is good.
For realizing the utility model provides the following technical scheme:
a biological deodorization system of a sewage station mainly comprises a horizontal deodorization tank, a centrifugal fan, an exhaust funnel and a PLC control system; the deodorization tank is divided into a pre-washing tank at the front end and a biological filter tank at the rear end by a first partition plate and a second partition plate, and the first partition plate is connected with the bottom of the deodorization tank and is not connected with the top; the second partition plate is connected with the top of the deodorization tank and is not connected with the bottom of the deodorization tank, an air passage is formed between the first partition plate and the second partition plate, and the air passage is positioned between the prewashing tank and the biological filter tank; the bottom of the side wall of the prewashing tank is provided with an air inlet pipe, the middle part of the prewashing tank is provided with a first packing layer, and a first spray header is arranged above the first packing layer; and a second packing layer is arranged in the middle of the biological filter tank, and a second spray head is arranged above the second packing layer.
Furthermore, a sludge discharge pipe is arranged at the bottom of the prewashing pool, a sludge discharge valve is arranged on the sludge discharge pipe, a first spray header in the prewashing pool is connected with a water tank through a circulating spray pipe, and a circulating valve is arranged on the circulating spray pipe; and the circulating valve and the mud discharge valve are connected with a PLC control system.
Further, the bottom of the biological filtration tank is provided with a drain pipe, the drain pipe is provided with a drain valve, a second spray head in the biological filtration tank is connected with the dispensing barrel through an intermittent spray pipe, the intermittent spray pipe is provided with an intermittent valve, the top of the dispensing barrel is provided with a temperature detector, and the intermittent valve, the temperature detector and the drain valve are all connected with a PLC control system.
Furthermore, the top of the pre-washing tank and the top of the biological filtration tank are both provided with charging holes, the top of the biological filtration tank is also provided with an exhaust port, the exhaust port is connected with the air inlet end of a centrifugal fan, and the centrifugal fan is connected with a PLC control system.
Further, the exhaust funnel is connected with the air outlet end of the centrifugal fan, and the height of the exhaust funnel is not less than 15 m.
Furthermore, the side wall of the air inlet pipe is also provided with a sampling port, and the air inlet pipe is provided with an air inlet valve.
Furthermore, overflow pipes are arranged at the bottoms of the pre-washing tank and the biological filter tank.
The utility model discloses an useful part:
firstly, the method comprises the following steps: the deodorization device is scientific in structural design, and is provided with a deodorization tank, a centrifugal fan, an exhaust funnel and a PLC (programmable logic controller) control system, wherein a pre-washing tank and a biological filter tank are arranged in the deodorization tank with definite functions, the pre-washing tank is used for washing away large-particle dust in the malodorous gas, removing water-soluble components in the malodorous gas by spraying, and humidifying the malodorous gas; the biological filter tank is used for culturing microorganisms by taking biological filler as a carrier, and collecting malodorous components in gas by adsorbing the malodorous substances by microbial cells;
secondly, the method comprises the following steps: the second spray header in the biological filter tank only has the functions of moisturizing and temperature control of the filler, can effectively flush a biological film on the filler and metabolites of microorganisms, keeps the interior of the filler fresh and cool, and sprays intermittently;
thirdly, the method comprises the following steps: the first spray header in the pre-washing tank sprays water uniformly and forcefully, and has the functions of dust removal and temperature reduction;
fourthly: the whole system utilizes the PLC control system to carry out linkage control, so that labor and cost are saved;
fifth, the method comprises the following steps: the deodorization tank is internally provided with a pre-washing tank and a biological filter tank which are separated by a first partition plate and a second partition plate, the structure is compact, and the occupied area is small.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1.
Fig. 2 is a schematic structural diagram of embodiment 2.
In the figure: 1 is a deodorization tank, 2 is a centrifugal fan, 3 is an exhaust funnel, 4 is a PLC control system, 5 is a first clapboard, 6 is a second clapboard, 7 is a pre-washing tank, 7.1 is an air inlet pipe, 7.2 is a first packing layer, 7.3 is a first spray header, 7.4 is a mud discharge pipe, 7.5 is a circulating spray pipe, 8 is a biological filter tank, 8.1 is a second packing layer, 8.2 is a second spray header, 8.3 is a sewage discharge pipe, 8.4 is an intermittent spray pipe, 9 is an air passage, 10 is a water tank, 11 is a circulating valve, 12 is a dispensing barrel, 13 is an intermittent valve, 14 is a temperature detector, 15 is a charging hole, 16 is an exhaust hole, 17 is a sampling port, and 18 is an overflow pipe.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
A biological deodorization system of a sewage station (refer to figure 1) mainly comprises a horizontal deodorization tank 1, a centrifugal fan 2, an exhaust funnel 3 and a PLC control system 4; the interior of the deodorization tank 1 is divided into a prewashing tank 7 at the front end and a biological filtering tank 8 at the rear end by a first partition plate 5 and a second partition plate 6, and the first partition plate 5 is connected with the bottom of the deodorization tank 1 and is not connected with the top; the second partition plate 6 is connected with the top of the deodorization tank 1 and is not connected with the bottom of the deodorization tank, an air passage 9 is formed between the first partition plate 5 and the second partition plate 6, and the air passage 9 is positioned between the prewashing tank 7 and the biological filter tank 8; an air inlet pipe 7.1 is arranged at the bottom of the side wall of the prewashing tank 7, a first packing layer 7.2 is arranged in the middle of the prewashing tank 7, and a first spray header 7.3 is arranged above the first packing layer 7.2; a second packing layer 8.1 is arranged in the middle of the biological filter tank 8, a second spray header 8.2 is arranged above the second packing layer 8.1, a sludge discharge pipe 7.4 is arranged at the bottom of the prewashing tank 7, a sludge discharge valve is arranged on the sludge discharge pipe 7.4, a first spray header 7.3 in the prewashing tank 7 is connected with a water tank 10 through a circulating spray pipe 7.5, and a circulating valve 11 is arranged on the circulating spray pipe 7.5; the circulating valve 11 and the mud valve are both connected with a PLC control system 4 (not marked in the figure), the bottom of the biological filter tank 8 is provided with a blow-off pipe 8.3, the blow-off pipe 8.3 is provided with a blow-off valve, a second spray head 8.2 in the biological filter tank 8 is connected with a dispensing barrel 12 through an intermittent spray pipe 8.4, the intermittent spray pipe 8.4 is provided with an intermittent valve 13, the top of the dispensing barrel 12 is provided with a temperature detector 14, the intermittent valve 13, the temperature detector 14 and the blow-off valve are all connected with the PLC control system 4 (not marked in the figure), the tops of the pre-washing tank 7 and the biological filter tank 8 are both provided with charging holes 15, the top of the biological filter tank 8 is also provided with an exhaust port 16, the exhaust port 16 is connected with the air inlet end of the centrifugal fan 2, the centrifugal fan 2 is connected with the PLC control system 4 (not marked in the figure), the exhaust port 3 is connected with the air outlet end of the centrifugal fan 2, the height of the exhaust funnel 3 is not less than 15m, the side wall of the air inlet pipe 7.1 is also provided with a sampling port 17, the air inlet pipe is provided with an air inlet valve, and the bottoms of the pre-washing tank 7 and the biological filter tank 8 are also provided with an overflow pipe 18.
Example 1 (refer to fig. 1):
the PLC control system 4 controls to open the air inlet valve and the circulating valve 11, the first spray header 7.3 starts to spray, the malodorous gas enters the pre-washing tank 7 from the air inlet pipe 7.1, the spray liquid sprayed by the first spray header 7.3 washes away large particle dust in the malodorous gas, components which can be dissolved in water in the malodorous gas are removed by spraying, the malodorous gas is humidified and cooled, and the PLC control system 4 controls the circulating valve 11, so that the first spray header 7.3 is controlled to perform 24-hour circulating spraying;
malodorous gas enters a biological filter tank 8 from an air passage 9 after primary pretreatment, special microbial floras are fixed on a second packing layer 8.1, when the malodorous gas passes through the surface initial stage of the second packing layer 8.1, the microbial floras of a nutrient source can be obtained from the malodorous gas, and under the conditions of proper temperature, humidity, pH value and the like, the malodorous gas can grow and propagate rapidly, a biomembrane is formed on the surface of the packing, and when harmful components in the malodorous gas contact the biomembrane, the harmful components are captured and digested by the corresponding microbial floras, so that malodorous pollutants can be removed(ii) a The second spray header 8.2 plays a role in moisturizing and controlling temperature of the filler in the second filler layer 8.1, can effectively flush a biological membrane on the filler and metabolites of microorganisms, keeps the interior of the filler fresh, and controls the intermittent valve 13 through the PLC control system 4, so that the second spray header 8.2 is controlled to perform intermittent spraying; the PLC control system 4 detects the temperature in the dispensing barrel 12 in real time through the temperature detector 14 so as to control the temperature of the spraying liquid; the deodorized and filtered malodorous gas contains hydrogen sulfide, ammonia, dimethyl sulfide, benzene series, phenols and other volatile organic compounds, especially H2The treatment effect of S and ammonia is optimal, the removal rate can reach more than 99 percent, other components can also reach more than 80 percent, and sulfur in the polluted gas is digested, absorbed and metabolized into (sulfite) by specific microorganisms, is discharged out of the system along with pollution discharge, and meets the requirements of project odor treatment and the national primary standard of waste liquid discharge.
Example 2 (see figure 2):
the treatment process is the same as in example 1 by connecting two deodorizing tanks 1 in parallel, and the amount of malodorous gas to be treated can be increased.
The present invention is not limited to a sewage station bio-deodorization system as described in the above embodiments, and various changes can be made by those skilled in the art, but any changes equivalent or similar to the present invention are intended to be covered by the scope of the claims of the present invention.
Claims (7)
1. A sewage station biological deodorization system which characterized in that: mainly comprises a horizontal deodorization tank, a centrifugal fan, an exhaust funnel and a PLC control system; the deodorization tank is divided into a pre-washing tank at the front end and a biological filter tank at the rear end by a first partition plate and a second partition plate, and the first partition plate is connected with the bottom of the deodorization tank and is not connected with the top; the second partition plate is connected with the top of the deodorization tank and is not connected with the bottom of the deodorization tank, an air passage is formed between the first partition plate and the second partition plate, and the air passage is positioned between the prewashing tank and the biological filter tank; the bottom of the side wall of the prewashing tank is provided with an air inlet pipe, the middle part of the prewashing tank is provided with a first packing layer, and a first spray header is arranged above the first packing layer; and a second packing layer is arranged in the middle of the biological filter tank, and a second spray head is arranged above the second packing layer.
2. The biological deodorization system for sewage plants as recited in claim 1, further comprising: a sludge discharge pipe is arranged at the bottom of the prewashing pool, a sludge discharge valve is arranged on the sludge discharge pipe, a first spray header in the prewashing pool is connected with a water tank through a circulating spray pipe, and the circulating spray pipe is provided with a circulating valve; and the circulating valve and the mud discharge valve are connected with a PLC control system.
3. The biological deodorization system for sewage plants as recited in claim 1, further comprising: the bottom of the biological filtration tank is provided with a drain pipe, the drain pipe is provided with a drain valve, a second spray header in the biological filtration tank is connected with the dispensing barrel through an intermittent spray pipe, the intermittent spray pipe is provided with an intermittent valve, the top of the dispensing barrel is provided with a temperature detector, and the intermittent valve, the temperature detector and the drain valve are all connected with a PLC control system.
4. The biological deodorization system for sewage plants as recited in claim 1, further comprising: the top of the pre-washing tank and the top of the biological filtration tank are both provided with charging holes, the top of the biological filtration tank is also provided with an exhaust port, the exhaust port is connected with the air inlet end of a centrifugal fan, and the centrifugal fan is connected with a PLC control system.
5. The biological deodorization system for sewage plants as recited in claim 1, further comprising: the exhaust funnel is connected with the air outlet end of the centrifugal fan, and the height of the exhaust funnel is not less than 15 m.
6. The biological deodorization system for sewage plants as recited in claim 1, further comprising: the intake pipe lateral wall still sets up the sample connection, sets up the admission valve in the intake pipe.
7. The biological deodorization system for sewage plants as recited in claim 1, further comprising: overflow pipes are arranged at the bottoms of the pre-washing tank and the biological filter tank.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920417761.5U CN210125294U (en) | 2019-03-29 | 2019-03-29 | Biological deodorization system of sewage station |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920417761.5U CN210125294U (en) | 2019-03-29 | 2019-03-29 | Biological deodorization system of sewage station |
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| CN210125294U true CN210125294U (en) | 2020-03-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117358053A (en) * | 2023-10-09 | 2024-01-09 | 江苏龙驰环保科技有限公司 | Biological deodorization treatment system and treatment process for sewage station |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117358053A (en) * | 2023-10-09 | 2024-01-09 | 江苏龙驰环保科技有限公司 | Biological deodorization treatment system and treatment process for sewage station |
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