CN217163867U - Odor collecting and treating device and sewage treatment system - Google Patents

Odor collecting and treating device and sewage treatment system Download PDF

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Publication number
CN217163867U
CN217163867U CN202220364110.6U CN202220364110U CN217163867U CN 217163867 U CN217163867 U CN 217163867U CN 202220364110 U CN202220364110 U CN 202220364110U CN 217163867 U CN217163867 U CN 217163867U
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odor
tank
negative
sewage treatment
grit chamber
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陈正军
余奕飞
柯云
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Huazhong Agricultural University
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Huazhong Agricultural University
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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
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00—Technologies for wastewater treatment
    • Y02W10/10—Biological treatment of water, waste water, or sewage

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  • Treating Waste Gases (AREA)

Abstract

The utility model provides a processing apparatus and sewage treatment system are collected to foul smell, processing apparatus is collected to foul smell is applied to sewage treatment system, sewage treatment system includes good oxygen pond, grid pond, grit chamber, equalizing basin and sludge impoundment, good oxygen pond includes aeration equipment, and this processing apparatus is collected to foul smell includes gas collecting channel, negative-pressure air fan and pipeline, the gas collecting channel is located the grid pond the grit chamber the equalizing basin with the sludge impoundment top, the gas collecting channel with pass through between the negative-pressure air fan the pipe connection, negative-pressure air fan with pass through between the aeration equipment the pipe connection. The utility model discloses a negative pressure device collects the foul smell and carries to good oxygen pond and handle, realizes that the foul smell is handled, and the running cost is lower, and simple structure.

Description

Odor collecting and treating device and sewage treatment system
Technical Field
The utility model relates to a sewage treatment technical field particularly, relates to a processing apparatus and sewage treatment system are collected to foul smell.
Background
In general, sewage treatment plant packageComprises a grating tank, a grit chamber, an adjusting tank, an aerobic tank and a sludge tank, wherein the aerobic tank is internally provided with an aeration device, and the grating tank, the grit chamber, the adjusting tank and the sludge tank can easily generate a large amount of H in the sewage treatment process 2 S、NH 3 And the like, if the malodorous gases cannot be effectively treated, the surrounding environment is seriously affected. At present, malodorous gas generated in the sewage treatment process is generally collected and then treated by a deodorization device, wherein the deodorization device can be a chemical or biological deodorization device. However, the chemical or biological deodorization device is complex, the filler needs to be replaced or the nutrient solution needs to be added at regular intervals, the treatment cost is high, the initial investment is high, and the occupied space is large.
SUMMERY OF THE UTILITY MODEL
The utility model provides a problem how to provide a simple structure, running cost are lower, and occupation space is less odor collecting and treating device.
For solving at least one aspect among the above-mentioned problem, the utility model provides an odor collecting and treating device is applied to sewage treatment system, sewage treatment system includes good oxygen pond, grid pond, grit chamber, equalizing basin and sludge impoundment, good oxygen pond includes aeration equipment, and this odor collecting and treating device includes gas collecting channel, negative-pressure air fan and pipeline, and is a plurality of the gas collecting channel is located respectively the grid pond the grit chamber the equalizing basin with sludge impoundment top, the gas collecting channel with pass through between the negative-pressure air fan the pipe connection, negative-pressure air fan with pass through between the aeration equipment the pipe connection.
Preferably, the odor collection and treatment device further comprises a sealing cover, the sealing covers are respectively positioned above the grating tank, the grit chamber, the regulating tank and the sludge tank, and the gas collecting cover is positioned below the sealing cover.
Preferably, an access door is arranged on the sealing cover.
Preferably, the negative pressure fan comprises a negative pressure roots fan.
Preferably, the odor collection and treatment device further comprises a high-pressure spraying device, and the high-pressure spraying devices are respectively positioned above the grating tank, the grit chamber, the regulating tank and the sludge tank.
Preferably, the high-pressure spraying system comprises a liquid storage tank, a high-pressure pump and a spraying head, wherein the liquid storage tank, the high-pressure pump and the spraying head are sequentially connected through a pipeline.
Preferably, the high pressure pump comprises a high pressure reciprocating pump.
Preferably, the odor collection and treatment device further comprises an odor sensor, and the odor sensors are respectively positioned at an outlet above the grating tank, the grit chamber, the adjusting tank and the sludge tank.
Preferably, the odor collecting and processing device further comprises a controller, and the negative pressure fan, the high pressure pump and the odor sensor are electrically connected with the controller.
The utility model discloses a grid pond, grit chamber, equalizing basin and the sludge impoundment top that produces the foul smell in sewage treatment system sets up the gas collecting channel to collect the foul smell that produces among the sewage treatment process through negative-pressure air fan, then in the foul smell that will collect passes through aeration equipment input good oxygen pond, dissolve the foul smell to the sewage in good oxygen pond, and decompose the foul smell through the functional microorganism in good oxygen pond, thereby reach the purpose that the foul smell was collected and was handled. The utility model provides a processing apparatus is collected to foul smell utilizes the good oxygen pond that sewage treatment system itself includes to handle the foul smell, does not need additionally to drop into deodorization equipment, and the running cost is lower, and simple structure.
Another object of the present invention is to provide a sewage treatment system, which comprises the above odor collecting and treating device
The utility model discloses a be applied to sewage treatment system with above-mentioned odor treatment device, prevent the environmental protection problem that the inorganization of foul smell discharged and lead to, and do not need additionally to drop into deodorization equipment, reduced the foul smell treatment cost.
Drawings
FIG. 1 is a schematic view of the odor collecting and treating device in the embodiment of the present invention;
FIG. 2 is a schematic structural view of the sealing cover in the embodiment of the present invention;
fig. 3 is a schematic structural view of a sewage treatment system including an odor collecting and treating device according to an embodiment of the present invention.
Description of reference numerals:
1-an aerobic tank; 11-an aeration device; 2-gas collecting channel; 3-negative pressure fan; 4. a sealing cover; 41-an access door; 5-high pressure spraying device; 51-a liquid storage tank; 52-a high pressure pump; 53-a spray head; 6-malodor sensor; 7-a grating pool; 8-a grit chamber; 9-a regulating reservoir; 10-sludge tank.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.
The sewage contains a large amount of organic matters and inorganic matters, and H is generated in the sewage treatment process 2 S and NH 3 And the like, if the malodorous gas is not treated, the malodorous gas can cause great influence on the environment. Generally, a sewage treatment system comprises a grating tank, a grit chamber, a regulating tank, an aerobic tank and a sludge tank, wherein an aeration device is arranged in the aerobic tank, and the grating tank, the grit chamber, the regulating tank and the sludge tank are main positions for generating malodorous gases. At present, for odor generated in the sewage treatment process, the odor is generally collected and treated by a special chemical or biological deodorization device. Although the purpose of odor treatment can be achieved, the equipment is complex, the initial investment is large, the operation cost is high, and the space occupied by the deodorization device is large.
An aerobic tank in the sewage treatment system contains a large amount of active aerobic microorganisms, and can degrade organic matters in sewage. The malodorous gas is generally generated because organic matters are not completely decomposed under the condition of insufficient dissolved oxygen in the sewage, and aerobic microorganisms can further decompose the malodorous gas and eliminate the odor under the condition of sufficient dissolved oxygen.
As shown in fig. 1, the embodiment of the utility model provides an odor collecting and treating device, be applied to sewage treatment system, sewage treatment system includes good oxygen pond 1, grid pond 7, grit chamber 8, equalizing basin 9 and sludge impoundment 10, good oxygen pond 1 includes aeration equipment 11, this odor collecting and treating device includes gas collecting channel 2, negative-pressure air fan 3 and pipeline, a plurality of gas collecting channel 2 are located grid pond 7, grit chamber 8, equalizing basin 9 and sludge impoundment 10 top, pass through the pipe connection between gas collecting channel 2 and the negative-pressure air fan 3, pass through the pipe connection between negative-pressure air fan 3 and the aeration equipment 11.
In the sewage treatment system, a grid tank 7, a grit chamber 8, an adjusting tank 9 and a sludge tank 10 are easy to generate malodorous gases, and the gas collecting hoods 2 are respectively arranged above the devices and are connected with one end of a negative pressure fan 3 through a pipeline, so that the generated odor can be collected in a negative pressure mode, and the odor is prevented from being discharged to the environment in an unorganized manner; the other end of the negative pressure fan 3 is connected with the aeration device 11 of the aerobic tank 1, and can be uniformly distributed in the aerobic tank 1 through the aeration device 11, odor is firstly dissolved into sewage, then the dissolved oxygen is improved through aeration of the aerobic tank 1, and the odor is further decomposed under the action of aerobic microorganisms in the aerobic tank 1, so that the odor is eliminated. This processing apparatus is collected to foul smell simple structure utilizes the degradation function of good oxygen pond among the sewage treatment system, handles the foul smell, and the initial stage drops into less, and the running cost is low.
The embodiment of the utility model provides a processing apparatus is collected to foul smell sets up negative pressure collection device through in grid pond, grit chamber, equalizing basin and sludge impoundment top, can in time collect the foul smell of producing in the system to pass through aeration equipment 11 with the foul smell and carry to good oxygen processing apparatus in, on the one hand, to good oxygen processing apparatus aeration, improve dissolved oxygen concentration, on the other hand, the foul smell is dissolved to good oxygen processing apparatus in the sewage, and is degraded under good oxygen microorganism's effect. This processing apparatus is collected to foul smell does not need additionally to add odor treatment equipment, utilizes good oxygen processing apparatus can accomplish the foul smell and handles, and device simple structure, the running cost is lower.
As shown in fig. 2, the odor collection and treatment device further comprises a sealing cover 4, the sealing covers 4 are respectively positioned above the grating tank 7, the grit chamber 8, the adjusting tank 9 and the sludge tank 10, and the gas collecting cover 2 is positioned below the sealing cover 4. The sealing cover 4 is arranged above a grating pool 7, a grit chamber 8, a regulating pool 9 and a sludge pool 10 which generate odor in the sewage treatment system, and the generated odor can be sealed in a certain space by arranging the sealing cover 4, so that the odor can not be released to the environment, and the influence on the environment is further reduced. Wherein, be provided with access door 41 on the sealed cowling 4, through access door 41, the maintainer conveniently overhauls the system. The sealing cover 4 can seal the grating tank 7, the grit chamber 8, the regulating tank 9 and the sludge tank 10, odor which cannot be treated in time cannot be discharged to the environment, and the maintenance door 41 is arranged to facilitate maintenance when the system goes wrong.
The negative pressure fan 3 illustratively comprises a roots-type negative pressure fan. The negative pressure Roots blower is wide in air quantity and pressure range, the air quantity and the pressure can be adjusted according to the produced odor quantity, the adaptability is stronger, the structure of the negative pressure Roots blower is simple, and the maintenance is convenient.
In addition, the odor collection and treatment device also comprises a high-pressure spraying device 5, wherein the high-pressure spraying device 5 is positioned above the grating tank 7, the grit chamber 8, the regulating tank 9 and the sludge tank 10. In order to further improve the odor treatment effect, a high-pressure spraying device 5 is arranged above the grating tank 7, the grit chamber 8, the regulating tank 9 and the sludge tank 10, the high-pressure spraying device 5 can spray deodorizing liquid, and the deodorizing liquid reacts with odor to eliminate odor. Illustratively, the deodorizing liquid can be a plant extract, a chemical deodorant or a microbial deodorant, preferably a microbial deodorant, which does not affect the activity of activated sludge in the sewage treatment system, and the microbial deodorant can be sprayed to increase the microbial content in the sewage treatment system, thereby improving the deodorizing effect.
Specifically, high pressure atomizer 5 includes liquid reserve tank 51, high-pressure pump 52 and atomising head 53, connects gradually through the pipeline between liquid reserve tank 51, high-pressure pump 52 and the atomising head 53, and wherein liquid reserve tank 51 is used for storing deodorant liquid, and atomising head 53 is located the device top that needs carry out the foul smell and handle, sprays the deodorant liquid in liquid reserve tank 51 to the position that produces the foul smell through starting high-pressure pump 52, makes deodorant liquid and foul smell take place the reaction, eliminates the foul smell. Illustratively, the high-pressure pump 52 is a high-pressure reciprocating pump, and the flow rate of the high-pressure reciprocating pump is stable, so that the deodorizing liquid can be controlled to be uniformly sprayed.
The spray heads 53 of the plurality of high-pressure spray devices 5 are respectively positioned above the grating tank 7, the grit chamber 8, the regulating tank 9 and the sludge tank 10, and the deodorizing liquid sprayed from the spray heads 53 can be fully contacted and mixed with the odor to realize deodorization. Set up high pressure atomizer 5 and can further improve deodorization effect, can handle at the very first time that the foul smell produced, and use the microorganism deodorant can also provide the function microorganism, also provide the function microorganism for grid pond 7, grit chamber 8, equalizing basin 9 and sludge impoundment 10 when realizing the foul smell deodorization, improve the treatment effect of sewage.
The odor collection and treatment device further comprises an odor sensor 6, wherein the odor sensor 6 is positioned at an outlet above the grating tank 7, the grit chamber 8, the regulating tank 9 and the sludge tank 10. The odor sensor 6 can detect the concentration of the odor, and can start or pause odor treatment according to the concentration of the odor, so that the long-term continuous operation of the odor treatment device is avoided, and the operation cost is saved.
Illustratively, the odor collection treatment device includes a controller electrically connected to the negative pressure fan 3, the high pressure pump 52 and the malodor sensor 6. The malodorous gas concentration information obtained by the malodorous sensor 6 can be fed back to the controller, the controller compares the malodorous gas concentration information with a preset value, and controls the starting and the pausing of the negative pressure fan 3 and the high pressure pump 52 according to the comparison result, so that the automatic starting and the pausing of the malodorous gas collecting and processing device can be realized, and the operation cost is saved.
Another embodiment of the utility model provides a sewage treatment system, collect processing apparatus including foretell foul smell.
Specifically, as shown in fig. 3, in the sewage treatment process, sewage passes through a grating tank 7, a grit chamber 8, a regulating tank 9, an aerobic tank 1 and an anaerobic tank in sequence, sludge generated in the process enters a sludge tank 10 for treatment, odor is easily generated in the grating tank 7, the grit chamber 8, the regulating tank 9 and the sludge tank 10 in a sewage treatment system, therefore, sealing covers 4 are respectively arranged above the grating tank 7, the grit chamber 8, the regulating tank 9 and the sludge tank 10, gas collecting covers 2 are arranged below the sealing covers 4, each gas collecting cover 2 is connected with a negative pressure fan 3 through different pipelines, the negative pressure fan 3 is connected with an aeration device 11 in the aerobic tank 1, and when the negative pressure fan 3 works, the odor generated in the grating tank 7, the grit chamber 8, the regulating tank 9 and the sludge tank 10 can be collected and input into the aerobic tank 1 for treatment; and a high-pressure spraying device 5 is respectively arranged above the grating tank 7, the grit chamber 8, the regulating tank 9 and the sludge tank 10, and odor treatment can be carried out by spraying deodorant liquid.
Through being applied to sewage treatment system with above-mentioned odor treatment device, prevent the environmental protection problem that the inorganization of foul smell discharged and lead to, and need not additionally drop into deodorization equipment, reduced the foul smell treatment cost.
Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Various changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the present disclosure, and these changes and modifications are intended to fall within the scope of the present disclosure.

Claims (10)

1. The utility model provides a processing apparatus is collected to foul smell, is applied to sewage treatment system, sewage treatment system includes good oxygen pond (1), grid pond (7), grit chamber (8), equalizing basin (9) and sludge impoundment (10), good oxygen pond (1) includes aeration equipment (11), its characterized in that, including gas collecting channel (2), negative-pressure air fan (3) and pipeline, it is a plurality of gas collecting channel (2) are located respectively grid pond (7) grit chamber (8) equalizing basin (9) with sludge impoundment (10) top, gas collecting channel (2) with pass through between negative-pressure air fan (3) the pipe connection, negative-pressure air fan (3) with pass through between aeration equipment (11) the pipe connection.
2. The odor gas collecting and treating device according to claim 1, further comprising a plurality of sealed hoods (4), wherein the plurality of sealed hoods (4) are respectively located above the grating tank (7), the grit chamber (8), the adjusting tank (9) and the sludge tank (10), and the gas collecting hood (2) is located below the sealed hoods (4).
3. The odor collection treatment apparatus according to claim 2, wherein an access door (41) is provided on said sealing cover (4).
4. The odor gas collection and treatment device according to claim 1, wherein said negative pressure fan (3) comprises a negative pressure roots fan.
5. The odor gas collection and treatment apparatus according to claim 1, further comprising a high-pressure spraying device (5), a plurality of said high-pressure spraying devices (5) being located above said grating tank (7), said grit chamber (8), said adjusting tank (9) and said sludge tank (10), respectively.
6. The odor collection treatment apparatus according to claim 5, wherein said high pressure spraying device (5) comprises a reservoir (51), a high pressure pump (52) and a spraying head (53), said reservoir (51), said high pressure pump (52) and said spraying head (53) being connected in sequence by said piping.
7. The odor collection treatment apparatus according to claim 6, wherein said high pressure pump (52) comprises a high pressure reciprocating pump.
8. The odor collection and treatment apparatus according to claim 6, further comprising odor sensors (6), wherein a plurality of the odor sensors (6) are respectively located at outlets above the grating pond (7), the grit chamber (8), the equalizing basin (9), and the sludge pond (10).
9. The odor collection treatment apparatus according to claim 8, further comprising a controller, said negative pressure fan (3), said high pressure pump (52) and said malodor sensor (6) being electrically connected to said controller.
10. A sewage treatment system comprising an odor collection treatment apparatus as defined in any one of claims 1 to 9.
CN202220364110.6U 2022-02-17 2022-02-17 Odor collecting and treating device and sewage treatment system Active CN217163867U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220364110.6U CN217163867U (en) 2022-02-17 2022-02-17 Odor collecting and treating device and sewage treatment system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220364110.6U CN217163867U (en) 2022-02-17 2022-02-17 Odor collecting and treating device and sewage treatment system

Publications (1)

Publication Number Publication Date
CN217163867U true CN217163867U (en) 2022-08-12

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CN202220364110.6U Active CN217163867U (en) 2022-02-17 2022-02-17 Odor collecting and treating device and sewage treatment system

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CN (1) CN217163867U (en)

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