CN213060554U - Efficient integrated biological deodorization treatment system - Google Patents
Efficient integrated biological deodorization treatment system Download PDFInfo
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- CN213060554U CN213060554U CN202021158957.6U CN202021158957U CN213060554U CN 213060554 U CN213060554 U CN 213060554U CN 202021158957 U CN202021158957 U CN 202021158957U CN 213060554 U CN213060554 U CN 213060554U
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Abstract
The utility model discloses an efficient integrated biological deodorization treatment system, which comprises a coarse grid gas collector, a fine grid gas collector, a grit chamber gas collector, a main biochemical section gas collector and a sludge treatment section gas collector; the device comprises a coarse grid gas collector, a fine grid gas collector, a grit chamber gas collector, a main biochemical section gas collector and a sludge treatment section gas collector, wherein the coarse grid gas collector, the fine grid gas collector, the grit chamber gas collector, the main biochemical section gas collector and the sludge treatment section gas collector are respectively connected with a fan through pipelines, the fan is sequentially connected with a pre-washing tank, a biological tank and a discharger, the pre-washing tank and the biological tank are respectively connected with an external discharge pipe and a drain pipe, the middle section of the drain pipe is connected with a return pipe, the other end; the recycling water tank is connected with a spray pipe, and the spray pipe extends into the pre-washing tank and the biological tank through a spray branch pipe respectively to be connected with a sprayer. The utility model discloses increasing the governing valve at each odor collection point, ensuring that each point pressure automatically regulated is stable, introducing fan system safely, guarantee that the odor is collected thoroughly.
Description
Technical Field
The utility model relates to a sewage treatment plant stench pollutes the technical field of administering, concretely relates to efficient integration biological deodorization processing system.
Background
During the operation of sewage treatment plants, some process links generate certain malodorous pollutants, and the malodorous pollutants mainly comprise ammonia (NH)3) Hydrogen sulfide (H)2S) and other odor concentrations. The odor causes people to have unpleasant feeling, and the people can feel dizzy, headache, anoxia, accelerated heartbeat, lassitude and hypodynamia and the like in the long-term production and life in the environment containing odor, thereby influencing the normal production and life of the people. The odor source of the sewage treatment plant is mainly distributed in a pretreatment system, a biochemical treatment system, a sludge treatment system and the like. The sources of odor in the pretreatment system are a coarse grid, a fine grid, a water collecting tank and a grit chamber; the odor source in the biochemical treatment system mainly comprises an anaerobic tank and an anoxic tank; the odor source in the sludge treatment system is mainly distributed in the processes of sludge pump station, sludge concentration, sludge dehydration, sludge stacking and outward transportation. Malodorous gas is difficult to dissipate in sewage treatment plants and the periphery, which causes adverse effects on production and life of staff in the plants and the periphery residents and harms to the bodies and spirits of people.
The treatment of odor pollution is receiving more and more attention in China, and the project needs to control the odor gas through measures of reasonable layout, plant area and plant boundary greening enhancement, operation management enhancement and the like; meanwhile, the method is combined with the reality around the plant site, and the adoption of a proper malodorous gas treatment technology is considered, so that the influence of the malodorous gas on the surroundings is reduced.
At home and abroad, odor treatment methods are various and mainly include an ion method, an adsorption method, a combustion method and an absorption method. The impact load resistance of the ion method is weak, and the ion method is not suitable for large-scale treatment, and the existing large-scale sewage treatment plant with high requirement standard does not adopt the method for deodorization; the adsorption method mainly utilizes active carbon to adsorb odor components, when the adsorption method is used for a certain time, the filler can lose efficacy and needs to be replaced periodically, and the adsorption method is suitable for the working conditions of small amount of odor air and low odor concentration; the combustion method has high investment, needs a heat source, is generally commonly used in occasions with high odor concentration, such as industrial and mining enterprises, and is rarely used in municipal sewage treatment plants, and the odor has certain corrosivity after being oxidized and needs to be treated by considering necessary secondary pollutants; the chemical washing method is characterized in that strong alkali and malodorous substances such as hydrogen sulfide are subjected to chemical reaction to generate salt substances, so that odor is removed, equipment and pipelines are easily corroded, alkali liquor needs to be supplemented periodically, and the method is used in industrial enterprises with high concentration; at present, the biological adsorption method is widely applied to the stink treatment process of a sewage treatment plant, and the biological adsorption method is a technological method for degrading stink substances such as ammonia gas, hydrogen sulfide and the like into stable oxidation products by using microorganisms, so that the stink-free and harmless treatment is realized, and no secondary pollution is generated.
However, the traditional biological deodorization process also has the following disadvantages:
1. the air quantity of each collecting point is unbalanced.
2. In the air volume collecting system, the air volume collecting area is too large, the matching power of a fan is increased, and the operation and investment cost of a sewage treatment plant is too high.
3. The energy consumption of the water replenishing process section in the biological deodorization is overlarge.
When sewage is treated to protect a water environment, the treatment problem of odor of a sewage treatment plant must be solved, the treatment efficiency of the sewage treatment plant is improved, pollutants generated in the production process of the water plant are eliminated, the degradation of ammonia, hydrogen sulfide and other pollutants such as odor is realized, and the waste gas emission of the sewage plant reaches the secondary standard requirement of the emission standard of atmospheric pollutants in the discharge standard of pollutants for municipal sewage treatment plants (GB18918-2002), so that the ecological civilization construction is assisted. Therefore, research and development of an efficient integrated biological deodorization treatment device are imperative.
Disclosure of Invention
An object of the utility model is to overcome prior art not enough, provide an efficient integration biological deodorization processing system, this system not only has all advantages of traditional biological deodorization technology, and has the improvement of very big degree reducing investment cost, reduction running cost, can satisfy the stench and handle discharge to reach standard, and the water works foul smell is eliminated, realizes the cost reduction increase of water works again.
In order to achieve the purpose, the utility model designs an efficient integrated biological deodorization treatment system, which comprises a coarse grid gas collector, a fine grid gas collector, a grit chamber gas collector, a main biochemical section gas collector and a sludge treatment section gas collector which are respectively arranged on a coarse grid, a fine grid, a grit chamber, a biochemical section and a sludge treatment section; the device comprises a coarse grid gas collector, a fine grid gas collector, a grit chamber gas collector, a main biochemical section gas collector and a sludge treatment section gas collector, wherein the coarse grid gas collector, the fine grid gas collector, the grit chamber gas collector, the main biochemical section gas collector and the sludge treatment section gas collector are respectively connected with a fan through pipelines, the fan is sequentially connected with a pre-washing tank, a biological tank and a discharger, the pre-washing tank and the biological tank are respectively connected with an external discharge pipe and a drain pipe, the middle section of the drain pipe is connected with a return pipe, the other end; the recycling water tank is connected with a spray pipe, and the spray pipe extends into the pre-washing tank and the biological tank through a spray branch pipe respectively to be connected with a sprayer.
Furthermore, the biochemical section is also provided with auxiliary biochemical section gas collectors side by side, and the auxiliary biochemical section gas collectors are connected with the fan through pipelines.
Furthermore, regulating valves are arranged on pipelines between the air collectors of the coarse grid, the fine grid, the grit chamber, the main biochemical section, the auxiliary biochemical section and the sludge treatment section and the fan.
Still further, a spray pump is arranged on the spray pipe.
And furthermore, a water replenishing inlet pipe is connected to the reuse water tank.
The working principle of the components is as follows:
1. the coarse grid gas collector, the fine grid gas collector and the grit chamber gas collector are used for hermetically collecting odor generated in the process of separating grid slag and sand from water into the garbage hopper, a sealing device is additionally arranged at the top of the open top of the tank, the odor is collected through a pipeline, the odor is prevented from leaking, and the deodorization effect is achieved;
2. the main biochemical section gas collector and the auxiliary biochemical section gas collector are used for hermetically collecting the stink generated by the anaerobic section and the anoxic section, a sealing device is additionally arranged at the top of the open pool top, and the stink is collected through a pipeline, so that the stink is prevented from leaking, and the deodorizing effect is achieved;
3. the gas collector at the sludge treatment section collects odor generated between the sludge pool and the sludge, the region with the largest odor collecting air volume is the sludge room, the previous collecting mode is that the air volume is collected in the whole sludge treatment room, and 50 percent of the air volume of the fan comes from the sludge room. The source of odor in the sludge treatment room is the dehydrator, and the odor is collected locally by changing large-scale collection air flow into, and the dehydrator generating the odor is covered and isolated, so that only the region of the isolated dehydrator is used for collecting the odor, and the collection air flow can be reduced by 90%. The collected air quantity is reduced, the air quantity of the fan is reduced, the matching power of the fan is synchronously reduced, the operation energy consumption of a sewage treatment plant is reduced, the deodorization effect is achieved, and meanwhile the cost reduction and the efficiency improvement of a water plant are realized;
4. the regulating valve and the fan are used for leading the collected odor into the processing system in a balanced manner, so that the safety and stability of odor collection are ensured. And adjusting valves are added at the collecting points to automatically adjust the wind pressure of the collecting points.
5. The pre-washing tank, the biological tank, the reuse water tank and the spray pump are odor treatment devices. The odor treatment process comprises the following steps: collecting → dissolving → absorbing → degrading, the odor enters the pre-washing pool to contact with water and dissolve in water, the odor component in water is absorbed by microorganism, the microorganism is attached to the filler in the biological pool to form a biological membrane, the odor substance is used as the nutrient source for growth and reproduction, the odor substance is converted into simple inorganic substance, and the deodorizing effect is achieved.
6. The reuse water pool is used as a water supplementing source and adopts tail end water treated by a sewage plant, so that waste is changed into valuable, and the water supplementing quantity is 2-6 m3And d, saving the consumption of tap water by 720 to 2160 tons every year, saving the cost of tap water by 2900 to 8700 yuan every year, achieving the deodorization effect and realizing the cost reduction and the efficiency improvement of a sewage treatment plant.
7. An eductor: the odor is treated and then discharged through a 15-meter pipeline after reaching the standard.
8. Most of the liquid returns to the reuse water tank, so that the strains are recycled, the microbial activity of the prewashing tank and the biological tank is kept, and a small amount of liquid is discharged to a nearby drainage well for the falling and aging of the strains, and a pollution discharge facility is started according to the pH change self control in the biological tank.
The utility model has the advantages that:
1. compare with traditional biological deodorization device, collect the foul smell point at each and increase the governing valve, ensure that each point pressure automatically regulated is stable, introduce fan system safely, guarantee that the foul smell is collected thoroughly.
2. The utility model discloses the realization reduces the supporting fan amount of wind of deodorizing device to the reduction of tolerance collection area between mud, reduces configuration power, and when reaching the deodorization effect, realization water plant reduces the cost and improves the effect.
3. The utility model discloses utilize sewage treatment plant tail water to spray the moisturizing water source for biological pond, reduce the running water energy consumption, effective energy-conserving water plant running cost.
4. The utility model discloses increase the blowdown facility, guarantee in time to discharge after the ageing of bacterial in the biological pond, improve treatment effeciency.
Drawings
FIG. 1 is a schematic diagram of a high efficiency integrated biological deodorization treatment system;
in the figure, a coarse grid gas collector 1, a fine grid gas collector 2, a grit chamber gas collector 3, a main biochemical section gas collector 4, a sludge treatment section gas collector 5, a fan 6, a prewashing tank 7, an outer discharge pipe 7.1, a biological tank 8, a drain pipe 8.1, a discharger 9, a return pipe 10, a reuse water tank 11, a spray pipe 12, a spray branch pipe 12.1, a sprayer 13, an auxiliary biochemical section gas collector 14, a regulating valve 15, a spray pump 16, a water replenishing inlet pipe 17, a coarse grid 18, a fine grid 19, a grit chamber 20, a biochemical section 21 and a sludge treatment section 22.
Detailed Description
The invention is described in further detail below with reference to the figures and specific embodiments for the understanding of those skilled in the art.
As shown in fig. 1, the high-efficiency integrated biological deodorization treatment system comprises a coarse grid gas collector 1, a fine grid gas collector 2, a grit chamber gas collector 3, a main biochemical section gas collector 4 and a sludge treatment section gas collector 5 which are respectively arranged on a coarse grid 18, a fine grid 19, a grit chamber 20, a biochemical section 21 and a sludge treatment section 22; the coarse grid gas collector 1, the fine grid gas collector 2, the grit chamber gas collector 3, the main biochemical section gas collector 4, the auxiliary biochemical section gas collector 14 and the sludge treatment section gas collector 5 are respectively connected with the fan 6 through pipelines, and the pipelines between the coarse grid gas collector 1, the fine grid gas collector 2, the grit chamber gas collector 3, the main biochemical section gas collector 4, the auxiliary biochemical section gas collector 14 and the sludge treatment section gas collector 5 and the fan 6 are respectively provided with a regulating valve 15;
the fan 6 is sequentially connected with a prewashing tank 7, a biological tank 8 and a discharger 9, the prewashing tank 7 and the biological tank 8 are respectively connected with an external discharge pipe 7.1 and a drain pipe 8.1, the middle section of the drain pipe 8.1 is connected with a return pipe 10, the other end of the external discharge pipe 7.1 is connected with the return pipe 10, and the other end of the return pipe 10 is connected with a reuse water tank 11; a water replenishing inlet pipe 17 is connected to the reuse water tank 11; the reuse water tank 11 is connected with a spray pipe 12, and a spray pump 16 is arranged on the spray pipe 12; the spray pipe 12 extends into the pre-washing tank 7 and the biological tank 8 through a spray branch pipe 12.1 and is connected with a sprayer 13.
The efficient integrated biological deodorization treatment system comprises the following processes:
the coarse grating, the fine grating, the grit chamber, the biochemical section and the sludge treatment section of the treatment process unit of the sewage treatment plant all generate stink, the generated stink is collected through the coarse grating gas collector 1, the fine grating gas collector 2, the grit chamber gas collector 3, the main biochemical section gas collector 4, the auxiliary biochemical section gas collector 14 and the sludge treatment section gas collector 5, the air pressure at each point is adjusted through the adjusting valve 15, and then the stink is introduced into the airThe machine 6 is characterized in that a fan 6 sends odor into a prewashing pool 7 and a biological pool 8, a spray pump 16 is started to spray the odor to the prewashing pool 7 and the biological pool 8, liquid generated by the prewashing pool 7 and the biological pool 8 flows back into a reuse water tank 11 through a return pipe 10 to generate microorganisms for recycling, the activity of the microorganisms in the prewashing pool 7 and the biological pool 8 is kept, and a small amount of liquid is discharged to a nearby drainage well; the principle is that the odor is contacted with water and dissolved in the water, the odor components in the water are adsorbed and absorbed by microorganisms, the microorganisms are attached to the filler of the prewashing pool 7 and the biological pool 8 to form a biological film, and the odor is taken as a nutrient source for growth and reproduction to convert the odor into simple inorganic matters, thereby achieving the deodorization effect; the tail gas is discharged through an exhauster 9 up to the standard, wherein the hydrogen sulfide is less than or equal to 0.06mg/m3Ammonia is less than or equal to 1.5mg/m3The odor concentration is less than or equal to 20 (dimensionless), the removal efficiency of each pollutant is as follows: the hydrogen sulfide is more than 94 percent, the ammonia is more than 70 percent, the odor concentration is more than 98 percent, the secondary standard that the factory exhaust emission of the sewage treatment plant meets the atmospheric pollutant emission standard in the pollutant emission standard of the urban sewage treatment plant (GB18918-2002) is realized, and the exhaust gas of the deodorization equipment meets the exhaust funnel standard of table two 15m in the foul pollutant emission standard (GB 14554-93).
Other parts not described in detail are prior art. Although the above embodiments have been described in detail, it is only a part of the embodiments of the present invention, rather than all embodiments, and other embodiments can be obtained without inventive step according to the present embodiments.
Claims (5)
1. An efficient integrated biological deodorization treatment system, which is characterized in that: the system comprises a coarse grid gas collector (1), a fine grid gas collector (2), a grit chamber gas collector (3), a main biochemical section gas collector (4) and a sludge treatment section gas collector (5) which are respectively arranged on a coarse grid, a fine grid, a grit chamber, a biochemical section and a sludge treatment section; the device comprises a coarse grid gas collector (1), a fine grid gas collector (2), a grit chamber gas collector (3), a main biochemical section gas collector (4) and a sludge treatment section gas collector (5), wherein the coarse grid gas collector, the fine grid gas collector, the grit chamber gas collector (3), the main biochemical section gas collector and the sludge treatment section gas collector (5) are respectively connected with a fan (6) through pipelines, the fan (6) is sequentially connected with a pre-washing tank (7), a biological tank (8) and a discharger (9), the pre-washing tank (7) and the biological tank (8) are respectively connected with an outer discharge pipe (7.1) and a discharge pipe (8.1), the middle section of the discharge pipe (8.1) is connected with a return pipe (10), the other end of the outer discharge pipe (7.; the recycling water tank (11) is connected with a spray pipe (12), and the spray pipe (12) respectively extends into the pre-washing tank (7) and the biological tank (8) through a spray branch pipe (12.1) to be connected with a sprayer (13).
2. The high efficiency, integrated biological deodorization treatment system as recited in claim 1, wherein: and the biochemical section is also provided with auxiliary biochemical section gas collectors (14) in parallel, and the auxiliary biochemical section gas collectors (14) are connected with the fan (6) through pipelines.
3. The high efficiency, integrated biological deodorization treatment system as recited in claim 2, wherein: and regulating valves (15) are arranged on pipelines between the coarse grid gas collector (1), the fine grid gas collector (2), the grit chamber gas collector (3), the main biochemical section gas collector (4), the auxiliary biochemical section gas collector (14) and the sludge treatment section gas collector (5) and the fan (6).
4. The high efficiency, integrated biological deodorization treatment system as recited in claim 1, wherein: and a spray pump (16) is arranged on the spray pipe (12).
5. The high efficiency, integrated biological deodorization treatment system as recited in claim 1, wherein: and a water replenishing inlet pipe (17) is connected to the reuse water tank (11).
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| CN202021158957.6U CN213060554U (en) | 2020-06-19 | 2020-06-19 | Efficient integrated biological deodorization treatment system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115057583A (en) * | 2022-06-21 | 2022-09-16 | 珠江水利委员会珠江水利科学研究院 | System of recycling is retrieved many times to water resource |
| CN116990453A (en) * | 2023-07-31 | 2023-11-03 | 珠海深圳清华大学研究院创新中心 | Greenhouse gas release monitoring method and system for sewage treatment system |
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2020
- 2020-06-19 CN CN202021158957.6U patent/CN213060554U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115057583A (en) * | 2022-06-21 | 2022-09-16 | 珠江水利委员会珠江水利科学研究院 | System of recycling is retrieved many times to water resource |
| CN116990453A (en) * | 2023-07-31 | 2023-11-03 | 珠海深圳清华大学研究院创新中心 | Greenhouse gas release monitoring method and system for sewage treatment system |
| CN116990453B (en) * | 2023-07-31 | 2024-05-28 | 珠海深圳清华大学研究院创新中心 | Greenhouse gas release monitoring method and system for sewage treatment system |
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