CN219376652U - Odor treatment system and wastewater treatment station - Google Patents
Odor treatment system and wastewater treatment station Download PDFInfo
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- CN219376652U CN219376652U CN202320150995.4U CN202320150995U CN219376652U CN 219376652 U CN219376652 U CN 219376652U CN 202320150995 U CN202320150995 U CN 202320150995U CN 219376652 U CN219376652 U CN 219376652U
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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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- 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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Abstract
The utility model discloses an odor treatment system and a wastewater treatment station, wherein the odor treatment system comprises a washing system and a biological treatment system, the waste gas entering the washing tower is subjected to washing tower to remove pollutants such as certain impurities, washing liquid in the washing tower can be recycled, the waste gas treated by the washing system enters the biological treatment system and sequentially passes through a pre-washing tank with spray liquid and a biological tank with flora in the biological treatment system, the pre-washing tank is used for cleaning the waste gas again, the biological tank is used for adsorbing and decomposing odor components in the waste gas through the flora to achieve waste gas treatment, the pre-washing tank and the biological tank are simultaneously connected with a second circulating water tank, and the spray liquid in the pre-washing tank and the treatment liquid in the biological tank are circulated through a second circulating water pump and a third circulating water pump to achieve multistage treatment of the waste gas, so that odor pollution in the waste gas is reduced, and environmental pollution is reduced.
Description
Technical Field
The application relates to the technical field of environmental protection treatment, in particular to an odor treatment system and a wastewater treatment station.
Background
In the wastewater treatment process, particularly the organic wastewater treatment, a large amount of odor is generated, pollution is caused to air, and olfactory discomfort is caused, so that the normal work and life of people are influenced. With the improvement of the environmental requirements of people, the odor emission problem of wastewater treatment is urgently needed to be solved.
Disclosure of Invention
Aiming at the defects in the prior art, the application provides an odor treatment system and a wastewater treatment station, so as to solve the problem that the odor generated after wastewater treatment in the prior art is directly discharged without treatment.
The above object of the present utility model is mainly achieved by the following technical solutions:
an odor treatment system, comprising:
the washing system is provided with a washing tower and a first exhaust channel which are connected, the drainage end of the washing tower is connected with a first circulating water tank, a first circulating water pump is arranged between the first circulating water tank and the washing tower, and the air inlet end of the washing tower is used for introducing waste gas to be treated;
the biological treatment system is provided with a pre-washing tank with spray liquid and a biological tank with flora, the air inlet end of the pre-washing tank is communicated with the first exhaust channel, the water draining end of the pre-washing tank and the water draining end of the biological tank are simultaneously connected with a second circulating water tank, a second circulating water pump and a third circulating water pump are respectively arranged between the second circulating water tank and the pre-washing tank as well as between the second circulating water tank and the biological tank, and the air exhausting end of the biological tank is connected with the second exhaust channel.
Further, the washing system further comprises a first PH meter and a first dosing pump, wherein the first PH meter is arranged in the first circulating water tank, is connected with the first dosing pump, controls the dosing pump to start and stop working, and is connected with the first circulating water tank and used for adding liquid medicine into the first circulating water tank.
Further, the biological treatment system further comprises a second PH meter and a second dosing pump, wherein the second PH meter is arranged in the second circulating water tank, is connected with the second dosing pump, controls the dosing pump to start and stop working, and is connected with the second circulating water tank and used for adding liquid medicine into the second circulating water tank.
Further, the liquid medicine adopts sodium hydroxide solution.
Further, the odor treatment system further comprises a physical adsorption system, one end of the physical adsorption system is connected with the second exhaust channel, and a third exhaust channel is arranged at the other end of the physical adsorption system.
Further, the physical adsorption system employs a tank filled with granular activated carbon.
Further, the odor treatment system further comprises an odor discharge device, the odor discharge device comprises an induced draft fan and an exhaust barrel, the air inlet end of the induced draft fan is connected with the third exhaust passage, and the exhaust barrel is arranged on the air outlet end of the induced draft fan.
Further, the odor treatment system further comprises an exhaust gas collection device, the exhaust gas collection device comprises a cover body and an air bleed pipe, the cover body is used for being buckled on the wastewater treatment tank in a sealing mode, and the air bleed pipe is arranged between the cover body and the washing tower.
Further, the odor treatment system also comprises a liquid discharge channel and a liquid inlet channel which are respectively connected with the second circulating water tank, wherein the liquid discharge channel is used for discharging the washing liquid in the second circulating water tank; the liquid inlet channel is used for supplementing washing liquid into the second circulating water tank.
Based on one and the same inventive concept, the present application also provides a wastewater treatment station comprising the odor treatment system described above.
Compared with the prior art, the utility model has the advantages that:
according to the odor treatment system, the washing system and the biological treatment system are arranged at the exhaust end of the waste gas, the washing tower is arranged in the washing system, the water discharge end of the washing tower is connected with the first circulating water tank, the first circulating water tank is arranged between the first circulating water tank and the washing tower, the waste gas entering the washing tower is subjected to the washing tower to remove pollutants such as certain impurities and the like, the washing liquid in the washing tower can be recycled, the waste gas treated by the washing system enters the biological treatment system and sequentially passes through the pre-washing tank with spraying liquid and the biological tank with flora in the biological treatment system, the pre-washing tank is used for cleaning the waste gas again, the biological tank is used for adsorbing and decomposing odor components in the waste gas through the flora to achieve waste gas treatment, and the pre-washing tank and the biological tank are simultaneously connected with the second circulating water tank, and the spraying liquid in the pre-washing tank and the treatment liquid in the biological tank are recycled through the second circulating water pump and the third circulating water pump to achieve multistage treatment of the waste gas, so that odor pollution in the waste gas is reduced, and environmental pollution is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following description will briefly explain the drawings needed in the description of the embodiments, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the principles provided in an embodiment of the present application;
in the figure: 1. an exhaust gas collection device; 11. a cover body; 12. an air-introducing pipe; 21. a third exhaust passage; 22. a liquid discharge channel; 23. a liquid inlet channel; 24. a washing system; 241. a washing tower; 242. a first circulating water pump; 243. a first circulation water tank; 244. a first PH meter; 245. a first dosing pump; 246. a first exhaust passage; 25. a biological treatment system; 251. a pre-washing pool; 252. a biological pond; 253. a second circulation water tank; 254. a second circulating water pump; 255. a third circulating water pump; 256. a second PH meter; 257. a second dosing pump; 258. a second exhaust passage; 26. a physical adsorption system; 3. an odor discharge device; 31. an induced draft fan; 32. and an exhaust pipe.
Detailed Description
The utility model is further described with reference to the drawings and specific examples. It should be noted that the description of these examples is for aiding in understanding the present utility model, but is not intended to limit the present utility model. Specific structural and functional details disclosed herein are merely representative of example embodiments of the utility model. This utility model may, however, be embodied in many alternate forms and should not be construed as limited to the embodiments set forth herein.
As shown in fig. 1, an odor treatment system includes a washing system 24 and a biological treatment system 25, wherein:
the washing system 24 is provided with a washing tower 241 and a first exhaust passage 246 which are connected, a first circulating water tank 243 is connected with the drainage end of the washing tower 241, a first circulating water pump 242 is arranged between the first circulating water tank 243 and the washing tower 241, and the air inlet end of the washing tower 241 is used for introducing waste gas to be treated.
In actual operation, water can be added into the washing tower 241 as washing liquid between the washing tower 241 and the first circulating water tank 243 through the first circulating water pump 242, the washing liquid contacts with waste gas entering the washing tower 241 in the washing tower 241, impurities such as particulate matters in the waste gas are brought into the first circulating water tank 243 by the washing liquid in the washing tower 241, primary filtration of the waste gas is completed, the washing liquid after washing is arranged in the first circulating water tank 243, a deposition area with a certain height can be arranged in the first circulating water tank 243, namely, a certain distance is arranged between the suction end of the first circulating water pump 242 and the bottom of the first circulating water tank 243, so that precipitation of filtered impurities can be formed in the deposition area, the continuously used washing liquid can enter the suction end of the first circulating water pump 242 and be sprayed into the washing tower 241 by the first circulating water pump 242, circulation is formed, and the washing liquid is saved.
The biological treatment system 25 is provided with a pre-washing tank 251 with spray liquid and a biological tank 252 with flora, the air inlet end of the pre-washing tank 251 is communicated with the first exhaust passage 246, the water discharge end of the pre-washing tank 251 and the water discharge end of the biological tank 252 are simultaneously connected with a second circulating water tank 253, a second circulating water pump 254 and a third circulating water pump 255 are respectively arranged between the second circulating water tank 253 and the pre-washing tank 251 as well as between the second circulating water tank 253 and the biological tank 252, and the air discharge end of the biological tank 252 is connected with a second exhaust passage 258.
The waste gas passing through the washing tower 241 enters the pre-washing tank 251 under the guidance of the first exhaust passage 246, the pre-washing tank 251 can be subjected to spraying operation, the humidity of the waste gas is adjusted, the pH value of the waste gas is improved, and in actual operation, sodium hydroxide solution can be adopted as the spraying liquid.
Sodium hydroxide, also called caustic soda, is an inorganic compound, has a chemical formula of NaOH, has strong alkalinity and extremely strong corrosiveness, and can be used as an acid neutralizer, a precipitant, a precipitation masking agent, a color developing agent, a saponification agent, a peeling agent, a detergent and the like.
The treatment fluid in the biological tank 252 is provided with a flora capable of adsorbing and absorbing odor components in the waste gas, the waste gas treated by the pre-washing tank 251 enters the biological tank 252, and under the action of microorganisms in the biological tank 252, the decomposition of the residual pollutants in the waste gas is completed, and different flora can be selected in combination with the emission of waste components and the environment.
The working principle of the embodiment is as follows: the odor treatment system is characterized in that a washing system 24 and a biological treatment system 25 are arranged at the exhaust end of exhaust gas, a washing tower 241 is arranged in the washing system 24, the water discharge end of the washing tower 241 is connected with a first circulating water tank 243, a first circulating water pump 242 is arranged between the first circulating water tank 243 and the washing tower 241, the exhaust gas entering the washing tower 241 passes through the washing tower 241 to remove pollutants such as certain impurities, the washing liquid in the washing tower 241 can be recycled, the exhaust gas after being treated by the washing system 24 enters the biological treatment system 25 and sequentially passes through a pre-washing tank 251 with spray liquid and a biological tank 252 with flora in the biological treatment system 25, the pre-washing tank 251 again carries out cleaning treatment on the exhaust gas, the biological tank 252 absorbs and decomposes odor components in the exhaust gas through the flora to achieve the treatment of the exhaust gas, and the pre-washing tank 251 and the biological tank 252 are simultaneously connected with a second circulating water tank 253, and the spray liquid in the pre-washing tank 251 and the treatment liquid in the biological tank 252 are circulated through the second circulating water pump 254 and a third circulating water pump 255 to realize the multistage treatment of the exhaust gas, the pollution is reduced, and the environmental pollution is reduced.
Further, on the basis of the above embodiment, the washing system 24 further includes a first PH meter 244 and a first dosing pump 245, where the first PH meter 244 is disposed in the first circulation tank 243 and connected to the first dosing pump 245 for detecting PH value and controlling the start and stop of the dosing pump, and the first dosing pump 245 is connected to the first circulation tank 243 and is used for adding the liquid medicine into the first circulation tank 243.
The first PH meter 244 is immersed in the washing liquid in the first circulation tank 243, monitors PH of the washing liquid during circulation, and can compare the monitored PH with a preset reference value, if the PH of the washing liquid is lower than the preset value, the dosing pump is controlled to start and the liquid medicine is added into the first circulation tank 243, and in the continuous monitoring of the first PH meter 244, the dosing pump is controlled to stop working when the PH of the obtained washing liquid is lower than the preset value, the liquid medicine is stopped to be added into the first circulation tank 243, the liquid medicine adopts sodium hydroxide solution, the added sodium hydroxide solution is mixed with water, the effect of precipitating impurities of the washing liquid is improved, and the stability of the state of the washing liquid in the first circulation tank 243 during continuous operation is maintained.
Further, on the basis of the above embodiment, the biological treatment system 25 further includes a second PH meter 256 and a second dosing pump 257, where the second PH meter 256 is disposed in the second circulation tank 253 and connected to the second dosing pump 257 for detecting PH value and controlling the start and stop of the dosing pump, and the second dosing pump 257 is connected to the second circulation tank 253 and is used for adding the liquid medicine into the second circulation tank 253.
The second PH meter 256 is immersed in the spray liquid in the second circulation tank 253, monitors the PH value of the spray liquid during circulation, compares the monitored PH value with a preset reference value, controls the start of the dosing pump and adds the liquid medicine into the second circulation tank 253 if the PH value of the spray liquid is lower than the preset value, and sets the dosing pump to stop working when the obtained PH value of the wash spray liquid is lower than the preset value in continuous monitoring of the second PH meter 256, and interrupts the addition of the liquid medicine into the second circulation tank 253.
Further, on the basis of the above embodiment, the odor treatment system further includes a physical adsorption system 26, where one end of the physical adsorption system 26 is connected to the second exhaust passage 258, and the other end is provided with a third exhaust passage 21.
The physical adsorption system 26 may be a physical filter cotton with a filter gap or a tank filled with granular activated carbon, and when the physical adsorption system 26 is a tank filled with granular activated carbon, the exhaust gas contacts the granular activated carbon through the second exhaust channel 258, and the granular activated carbon is prepared by pyrolysis and activation processing of carbon-containing raw materials such as wood, coal and petroleum coke, and has a developed pore structure, a larger specific surface area and rich surface chemical groups, and the carbon materials with stronger specific adsorption capacity are collectively called as the exhaust gas, and in the process of passing through the granular activated carbon, the exhaust gas is filtered again by utilizing better adsorptivity.
Further, on the basis of the above embodiment, the odor treatment system further includes an odor discharge device 3, the odor discharge device 3 includes an induced draft fan 31 and an exhaust funnel 32, an air inlet end of the induced draft fan 31 is connected with the third exhaust passage 21, and the exhaust funnel 32 is disposed on an air outlet end of the induced draft fan 31.
Through setting up draught fan 31, at draught fan 31 during operation, drive air and remove towards the direction of keeping away from third exhaust passage 21, under the atmospheric pressure effect simultaneously, improve waste gas and pass second exhaust passage 258 and blow to third exhaust passage 21's smoothness by first aiutage 32 passageway, improve waste gas treatment efficiency.
Further, on the basis of the above embodiment, the odor treatment system further includes an exhaust gas collecting device 1, the exhaust gas collecting device 1 includes a cover 11 and a bleed air pipe 12, the cover 11 is used for being fastened on the wastewater treatment tank in a sealing manner, and the bleed air pipe 12 is disposed between the cover 11 and the scrubber 241.
The waste gas generated on the waste water treatment pool is collected through the cover body 11 and enters the washing tower 241 under the guidance of the induced pipe, so that the waste gas is prevented from leaking, and the waste gas treatment completion rate is improved.
Further, on the basis of the above embodiment, the odor treatment system further includes a liquid discharge channel 22 and a liquid inlet channel 23 respectively connected to the second circulation tank 253, wherein the liquid discharge channel 22 is used for discharging the spray liquid in the second circulation tank 253; the liquid inlet channel 23 is used for supplementing the spraying liquid into the second circulating water tank 253.
After the spray liquid circulates for many times, the problem of reduced treatment capacity exists, in this state, part of the spray liquid can be discharged through the liquid discharge channel 22, and the spray liquid is supplemented through the liquid inlet channel 23, so that part of the spray liquid which is not subjected to waste gas treatment is mixed with the spray liquid which is not discharged, the mixed spray liquid has certain waste gas treatment capacity, the waste gas treatment operation is finished, and meanwhile, part of the spray liquid is reserved for not discharging, so that the discharge and supplement of the spray liquid can be kept without stopping, the operation efficiency is improved, and the required spray liquid can be supplemented again after all the spray liquid after the circulation is completely discharged, and the operation is continued.
In a wastewater treatment station including the odor treatment system described above, in particular, in the wastewater treatment station, structures, connection relationships, installation positions, and the like of other devices except the above structures can be referred to related disclosures of the prior art, and will not be described herein.
It should be appreciated that the terms first, second, etc. are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance. Although the terms first, second, etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another element. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, without departing from the scope of example embodiments of the present utility model.
It should be understood that the term "and/or" is merely an association relationship describing the associated object, and means that three relationships may exist, for example, a and/or B may mean: the terms "/and" herein describe another associative object relationship, indicating that there may be two relationships, e.g., a/and B, may indicate that: the character "/" herein generally indicates that the associated object is an "or" relationship.
It should be understood that in the description of the present utility model, the terms "upper", "vertical", "inner", "outer", etc. indicate an orientation or a positional relationship in which the disclosed product is conventionally put in use, or an orientation or a positional relationship that is conventionally understood by those skilled in the art, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments of the utility model. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates to the contrary. It will be further understood that the terms "comprises," "comprising," "includes," "including" and/or "including," when used herein, specify the presence of stated features, integers, steps, operations, elements, and/or components, and do not preclude the presence or addition of one or more other features, numbers, steps, operations, elements, components, and/or groups thereof.
In the following description, specific details are provided to provide a thorough understanding of example embodiments. However, it will be understood by those of ordinary skill in the art that the example embodiments may be practiced without these specific details. In other embodiments, well-known processes, structures, and techniques may not be shown in unnecessary detail in order to avoid obscuring the example embodiments.
The foregoing is merely a specific embodiment of the application to enable one skilled in the art to understand or practice the application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
It should be noted that the information disclosed in the above background section is only for enhancing understanding of the background of the present disclosure and thus may include information that does not constitute prior art known to those of ordinary skill in the art.
Claims (10)
1. An odor treatment system, comprising:
the washing system is provided with a washing tower and a first exhaust channel which are connected, the drainage end of the washing tower is connected with a first circulating water tank, a first circulating water pump is arranged between the first circulating water tank and the washing tower, and the air inlet end of the washing tower is used for introducing waste gas to be treated;
the biological treatment system is provided with a pre-washing tank with spray liquid and a biological tank with flora, the air inlet end of the pre-washing tank is communicated with the first exhaust channel, the water draining end of the pre-washing tank and the water draining end of the biological tank are simultaneously connected with a second circulating water tank, a second circulating water pump and a third circulating water pump are respectively arranged between the second circulating water tank and the pre-washing tank as well as between the second circulating water tank and the biological tank, and the air exhausting end of the biological tank is connected with the second exhaust channel.
2. The odor treatment system of claim 1 wherein: the washing system further comprises a first PH meter and a first dosing pump, wherein the first PH meter is arranged in the first circulating water tank and connected with the first dosing pump, the dosing pump is controlled to start or stop working, and the first dosing pump is connected with the first circulating water tank and used for adding liquid medicine into the first circulating water tank.
3. The odor treatment system of claim 1 wherein: the biological treatment system further comprises a second PH meter and a second dosing pump, wherein the second PH meter is arranged in the second circulating water tank, is connected with the second dosing pump, controls the dosing pump to start and stop working, and is connected with the second circulating water tank and used for adding liquid medicine into the second circulating water tank.
4. A malodor treatment system according to claim 2 or claim 3, wherein: the liquid medicine adopts sodium hydroxide solution.
5. The odor treatment system of claim 1 wherein: the odor treatment system further comprises a physical adsorption system, one end of the physical adsorption system is connected with the second exhaust channel, and a third exhaust channel is arranged at the other end of the physical adsorption system.
6. The odor treatment system of claim 5 wherein: the physical adsorption system employs a tank filled with granular activated carbon.
7. The odor treatment system of claim 5 wherein: the odor treatment system further comprises an odor discharge device, the odor discharge device comprises an induced draft fan and an exhaust barrel, the air inlet end of the induced draft fan is connected with the third exhaust passage, and the exhaust barrel is arranged on the exhaust end of the induced draft fan.
8. The odor treatment system of claim 1 wherein: the odor treatment system further comprises an exhaust gas collecting device, the exhaust gas collecting device comprises a cover body and an air bleed pipe, the cover body is used for being buckled on the wastewater treatment tank in a sealing mode, and the air bleed pipe is arranged between the cover body and the washing tower.
9. The odor treatment system of claim 1 wherein: the odor treatment system further comprises a liquid discharge channel and a liquid inlet channel which are respectively connected with the second circulating water tank, and the liquid discharge channel is used for discharging the washing liquid in the second circulating water tank; the liquid inlet channel is used for supplementing washing liquid into the second circulating water tank.
10. A wastewater treatment plant, characterized by: comprising an odor treatment system as defined in any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320150995.4U CN219376652U (en) | 2023-02-06 | 2023-02-06 | Odor treatment system and wastewater treatment station |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202320150995.4U CN219376652U (en) | 2023-02-06 | 2023-02-06 | Odor treatment system and wastewater treatment station |
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| CN219376652U true CN219376652U (en) | 2023-07-21 |
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| CN202320150995.4U Active CN219376652U (en) | 2023-02-06 | 2023-02-06 | Odor treatment system and wastewater treatment station |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117923721A (en) * | 2024-01-31 | 2024-04-26 | 河南卷烟工业烟草薄片有限公司 | Tobacco sheet sewage peculiar smell treatment recycling system and process |
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2023
- 2023-02-06 CN CN202320150995.4U patent/CN219376652U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117923721A (en) * | 2024-01-31 | 2024-04-26 | 河南卷烟工业烟草薄片有限公司 | Tobacco sheet sewage peculiar smell treatment recycling system and process |
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