CN217230482U - Multistage anaerobic reactor for wastewater treatment - Google Patents
Multistage anaerobic reactor for wastewater treatment Download PDFInfo
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- CN217230482U CN217230482U CN202220359909.6U CN202220359909U CN217230482U CN 217230482 U CN217230482 U CN 217230482U CN 202220359909 U CN202220359909 U CN 202220359909U CN 217230482 U CN217230482 U CN 217230482U
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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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Abstract
The utility model provides a multistage anaerobic reactor for wastewater treatment, which belongs to the technical field of anaerobic reactors and comprises a first water reactor and a second water reactor, wherein the first water reactor and the second water reactor are connected by a water pipe; the water delivery pipe is connected with a lift pump in series; the top of the first water reactor is provided with an exhaust gas discharge pipe; the top of the second water reactor is connected with an exhaust gas discharge pipe through a connecting pipe; when the waste water treatment device is used, waste water enters the first water reactor through the waste water inlet pipe to perform primary reaction treatment, a large amount of waste gas is discharged through the waste gas discharge pipe, then the waste water is conveyed to the second water reactor from the first water reactor through the water conveying pipe under the action of the lifting pump to perform water treatment, after the treatment is finished, the waste water is discharged from the water discharging pipe, and when the flow control valve is opened, part of waste water enters the water conveying pipe through the circulating pipe, so that the waste water is circularly treated.
Description
Technical Field
The utility model belongs to the technical field of anaerobic reactor, especially, relate to a multistage anaerobic reactor is used in waste water treatment.
Background
The anaerobic fluidized bed reactor is a high-efficiency biofilm method treatment method. It uses sand and other large surface area materials as carriers. Anaerobic microorganisms are bonded on the surface of sand or other carriers in a membrane form and flow in the sewage, and the microorganisms contact with organic matters in the sewage to adsorb and decompose the organic matters, so that the aim of treatment is fulfilled. The anaerobic reactor adopts sand as carrier and has two cylinders inside and outside, and uses special axial flow pump to circulate sewage and organic biomembrane sand inside the outer cylinder for fluidizing. Due to the large specific surface area of the sand, 5500-6500m2/m3 (equivalent to 40-50m3) can be realized per cubic meter, the biological contact area is particularly large, the treatment efficiency is high, and the effective reactor volume per cubic meter can treat 35-45 kg COD/m3 per day.
Most of the traditional anaerobic reactors are single-stage treatment, the waste gas treatment carried in the waste water is incomplete, and the anaerobe in the waste water can not be effectively treated, and a large amount of floating mud is discharged along with water, so that the water treatment effect is poor.
Therefore, the invention of a multi-stage anaerobic reactor for wastewater treatment is very necessary.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a multistage anaerobic reactor is used in waste water treatment to traditional anaerobic reactor who proposes in solving the background art is mostly single-stage treatment, and the exhaust-gas treatment who carries in the waste water is incomplete, and the anaerobism in the waste water can not obtain effectual processing moreover, and has a large amount of mud floating along with the discharge of water, the poor problem of water treatment effect. A multi-stage anaerobic reactor for wastewater treatment comprises a first water reactor and a second water reactor, wherein the first water reactor and the second water reactor are connected through a water conveying pipe; the water delivery pipe is connected with a lift pump in series; the top of the first water reactor is provided with an exhaust gas discharge pipe; the top of the second water reactor is connected with an exhaust gas discharge pipe through a connecting pipe; the lower end of the first water reactor is connected with a wastewater inlet pipe; and a drain pipe is arranged at the upper end of the second water reactor.
Preferably, the water pipe is arranged in a Z shape, one end of the water pipe is connected to the upper end of the first water reactor, and the other end of the water pipe is connected to the lower end of the second water reactor.
Preferably, the water discharge pipe is further connected with the water delivery pipe through a circulation pipe, and the circulation pipe is further connected with a flow control valve (not shown) in series.
Preferably, the first water reactor comprises a first reaction tank, a fixed disc is arranged in the first reaction tank, an aeration motor is fixedly mounted on the fixed disc, and an output shaft of the aeration motor penetrates through the lower part of the fixed disc and is connected with a stirring paddle through a coupling.
Preferably, a protective shell is sleeved outside the aeration motor, and the protective shell is fixedly installed with the fixed disc; the fixed disc is provided with a plurality of through grooves.
Preferably, an impurity removal layer is arranged below the inside of the first reaction tank; the impurity removing layer is positioned on the inner side of the wastewater inlet pipe; the thickness of the impurity removal layer is 20cm, and the impurity removal layer consists of a zeolite layer with the thickness of 10cm and an activated carbon layer with the thickness of 10 cm.
Preferably, the second water reactor comprises a second reaction tank, and a bell mouth is arranged at the middle position in the second reaction tank; and a floating mud filter layer is arranged above the horn mouth.
Preferably, the opening of the bell mouth is upward, and the bottom of the bell mouth is connected with the water conveying pipe.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. in the utility model, when in use, wastewater enters the first water reactor through the wastewater inlet pipe to be subjected to primary reaction treatment, a large amount of waste gas is discharged through the waste gas discharge pipe, then the wastewater is conveyed from the first water reactor to the second water reactor through the water conveying pipe under the action of the lift pump to be subjected to water treatment, after the treatment is finished, the wastewater is discharged from the water discharging pipe, and when the flow control valve is opened, part of the wastewater enters the water conveying pipe through the circulating pipe, so that the cyclic treatment of the wastewater is realized;
2. in the utility model, when the wastewater enters the first water reactor, the aeration motor continuously stirs the wastewater through the stirring paddle, so that the waste gas in the wastewater is stirred out, thereby increasing the contact area between the wastewater and the air, killing a large amount of anaerobes and improving the water quality of the wastewater;
3. in the utility model, the waste gas can carry methane inevitably, and in order to avoid the condition that the aeration motor generates electric sparks during working and the methane is ignited, a protective shell is arranged outside the aeration motor, thereby improving the safe use effect of the equipment;
4. in the utility model, the impurity removing layer consists of a zeolite layer with the thickness of 10cm and an active carbon layer with the thickness of 10cm, has the adsorption area with a large scale, can adsorb impurities in the wastewater, and reduces the carrying of the impurities in the wastewater;
5. the utility model discloses in, when waste water enters into the second water reactor, waste water flows from the horn mouth to begin the retaining in the bottom of second retort, can also play the effect of sediment here simultaneously, when waste water constantly increases, can reduce impurity and floating mud's carrying through the filtration on impurity removal layer, thereby improve quality of water, and waste gas discharges in entering into exhaust gas discharge pipe through the connecting pipe.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a half sectional view of fig. 1 in the present invention;
fig. 3 is a bottom view of fig. 2 of the present invention;
FIG. 4 is a schematic view of a first water reactor of the present invention;
figure 5 is a schematic diagram of a second water reactor according to the present invention.
In the figure:
1-a wastewater inlet pipe, 2-a first water reactor, 3-an exhaust gas discharge pipe, 4-a water delivery pipe, 5-a lift pump, 6-a second water reactor, 7-a connecting pipe, 8-a water discharge pipe, 9-a circulating pipe, 21-a first reaction tank, 22-a fixed disc, 23-an aeration motor, 24-a stirring paddle, 25-a protective shell, 26-an impurity removal layer, 61-a second reaction tank, 62-a bell mouth and 63-a floating mud filter layer.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
the embodiment is as follows:
as shown in figures 1-5
The utility model provides a multistage anaerobic reactor for wastewater treatment, which comprises a first water reactor 2 and a second water reactor 6, wherein the first water reactor 2 and the second water reactor 6 are connected through a water delivery pipe 4; the water delivery pipe 4 is connected with a lift pump 5 in series; the top of the first water reactor 2 is provided with an exhaust gas discharge pipe 3; the top of the second water reactor 6 is connected with the waste gas discharge pipe 3 through a connecting pipe 7; the lower end of the first water reactor 2 is connected with a wastewater inlet pipe 1; the upper end of the second water reactor 6 is provided with a drain pipe 8.
As a further optimization of the present embodiment, the water pipe 4 is arranged in a "Z" shape, one end of the water pipe 4 is connected to the upper end of the first water reactor 2, and the other end of the water pipe 4 is connected to the lower end of the second water reactor 6.
As a further optimization of the present embodiment, the water discharge pipe 8 is further connected to the water delivery pipe 4 through a circulation pipe 9, and a flow control valve, not shown, is further connected in series to the circulation pipe 9.
When the waste water circulation treatment device is used, waste water enters a first water reactor 2 through a waste water inlet pipe 1 to be subjected to primary reaction treatment, a large amount of waste gas is discharged through a waste gas discharge pipe 3, then the waste water is conveyed to a second water reactor 6 from the first water reactor 2 through a water conveying pipe 4 under the action of a lifting pump 5 to be subjected to water treatment, after the treatment is finished, the waste water is discharged from a water discharge pipe 8, when a flow control valve is opened, part of the waste water enters the water conveying pipe 4 through a circulating pipe 9, and therefore the waste water circulation treatment is achieved.
As a further optimization of this embodiment, the first water reactor 2 includes a first reaction tank 21, a fixed disk 22 is disposed inside the first reaction tank 21, an aeration motor 23 is fixedly mounted on the fixed disk 22, and an output shaft of the aeration motor 23 penetrates through the lower portion of the fixed disk 22 and is connected with a stirring paddle 24 through a coupling.
Specifically, when the wastewater enters the first water reactor 2, the aeration motor 23 continuously stirs the wastewater through the stirring paddle 24, so that the waste gas in the wastewater is stirred out, the contact area between the wastewater and the air is increased, a large amount of anaerobic organisms can be killed, and the quality of the wastewater is improved.
As a further optimization of the embodiment, a protective casing 25 is sleeved outside the aeration motor 23, and the protective casing 25 is fixedly installed with the fixed disk 22; the fixed disk 22 is provided with a plurality of through grooves.
Particularly, the waste gas is inevitably carried with biogas, and in order to avoid the condition that the biogas is ignited due to electric sparks generated when the aeration motor 23 works, the protective shell 25 is arranged outside the aeration motor 23, so that the safe use effect of the equipment is improved.
As a further optimization of the present embodiment, an impurity removing layer 26 is disposed below the interior of the first reaction tank 21; the impurity removal layer 26 is positioned on the inner side of the wastewater inlet pipe 1; the thickness of the impurity removal layer 26 is 20cm, and the impurity removal layer 26 is composed of a zeolite layer having a thickness of 10cm and an activated carbon layer having a thickness of 10 cm.
Specifically, the impurity removal layer 26 is composed of a zeolite layer having a thickness of 10cm and an activated carbon layer having a thickness of 10cm, has a large adsorption area, and can adsorb impurities in wastewater to reduce the carry of impurities in wastewater.
As a further optimization of the present embodiment, the second water reactor 6 includes a second reaction tank 61, and a bell mouth 62 is provided at an intermediate position inside the second reaction tank 61; a floating mud filter layer 63 is arranged above the bell mouth 62; the bell mouth 62 is opened upwards, and the bottom of the bell mouth 62 is connected with the water conveying pipe 4.
Specifically, when waste water enters into second water reactor 6, waste water flows out from horn mouth 62 to begin to impound in the bottom of second retort 61, can also play the effect of sediment here simultaneously, when waste water constantly increases, can reduce impurity and the carrying of mud floating through the filtration of impurity removal layer 26, thereby improves quality of water, and waste gas enters into exhaust stack 3 through connecting pipe 7 and discharges.
Principle of operation
When the device is used, wastewater enters the first water reactor 2 through the wastewater inlet pipe 1 for primary reaction treatment, and the aeration motor 23 continuously stirs the wastewater through the stirring paddle 24, so that waste gas in the wastewater is stirred out, the contact area between the wastewater and air is increased, a large amount of anaerobes can be killed, and the water quality of the wastewater is improved; the waste gas is inevitably carried with biogas, and in order to avoid the condition that the biogas is ignited due to electric sparks generated when the aeration motor 23 works, the protective shell 25 is arranged outside the aeration motor 23, so that the safe use effect of the equipment is improved; because the impurity removal layer 26 consists of a zeolite layer with the thickness of 10cm and an activated carbon layer with the thickness of 10cm, the adsorption area with a large specific surface is provided, the impurity in the wastewater can be adsorbed, a large amount of waste gas carried by the impurity in the wastewater is reduced and is discharged through the waste gas discharge pipe 3, then the wastewater is conveyed into the second water reactor 6 from the first water reactor 2 through the water conveying pipe 4 under the action of the lifting pump 5 for water treatment, when the wastewater enters the second water reactor 6, the wastewater flows out from the bell mouth 62 and begins to store water at the bottom of the second reaction tank 61, meanwhile, the precipitation effect can be achieved, when the wastewater is continuously increased, the impurity and floating mud can be reduced through the filtration of the impurity removal layer 26, the water quality is improved, the waste gas enters the waste gas discharge pipe 3 through the connecting pipe 7 and is discharged, after the treatment, the wastewater is discharged from the water discharge pipe 8, when the flow control valve is opened, part of the wastewater enters the water conveying pipe 4 through the circulating pipe 9, so that the wastewater is circularly treated.
Utilize technical scheme, or technical staff in the field is in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.
Claims (8)
1. A multistage anaerobic reactor for wastewater treatment is characterized in that: the system comprises a first water reactor and a second water reactor, wherein the first water reactor is connected with the second water reactor through a water conveying pipe; the water delivery pipe is connected with a lift pump in series; the top of the first water reactor is provided with an exhaust gas discharge pipe; the top of the second water reactor is connected with an exhaust gas discharge pipe through a connecting pipe; the lower end of the first water reactor is connected with a wastewater inlet pipe; and a drain pipe is arranged at the upper end of the second water reactor.
2. A multistage anaerobic reactor for wastewater treatment according to claim 1, wherein: the water pipe is arranged in a Z shape, one end of the water pipe is connected with the upper end of the first water reactor, and the other end of the water pipe is connected with the lower end of the second water reactor.
3. A multistage anaerobic reactor for wastewater treatment according to claim 2, characterized in that: the water discharge pipe is also connected with the water delivery pipe through a circulating pipe.
4. A multistage anaerobic reactor for wastewater treatment according to claim 3, characterized in that: the first water reactor comprises a first reaction tank, a fixed disc is arranged in the first reaction tank, an aeration motor is fixedly mounted on the fixed disc, and an output shaft of the aeration motor penetrates through the lower portion of the fixed disc and is connected with a stirring paddle through a coupling.
5. A multistage anaerobic reactor for wastewater treatment according to claim 4, wherein: a protective shell is sleeved outside the aeration motor, and the protective shell is fixedly installed with the fixed disc; the fixed disc is provided with a plurality of through grooves.
6. A multistage anaerobic reactor for wastewater treatment according to claim 5, wherein: an impurity removal layer is arranged below the inner part of the first reaction tank; the impurity removing layer is positioned on the inner side of the wastewater inlet pipe; the thickness of the impurity removal layer is 20cm, and the impurity removal layer consists of a zeolite layer with the thickness of 10cm and an activated carbon layer with the thickness of 10 cm.
7. A multistage anaerobic reactor for wastewater treatment according to claim 1, characterized in that: the second water reactor comprises a second reaction tank, and a bell mouth is arranged at the middle position in the second reaction tank; and a floating mud filter layer is arranged above the bell mouth.
8. A multistage anaerobic reactor for wastewater treatment according to claim 7, wherein: the opening of the horn mouth is upward, and the bottom of the horn mouth is connected with a water pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220359909.6U CN217230482U (en) | 2022-02-22 | 2022-02-22 | Multistage anaerobic reactor for wastewater treatment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220359909.6U CN217230482U (en) | 2022-02-22 | 2022-02-22 | Multistage anaerobic reactor for wastewater treatment |
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| Publication Number | Publication Date |
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| CN217230482U true CN217230482U (en) | 2022-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220359909.6U Active CN217230482U (en) | 2022-02-22 | 2022-02-22 | Multistage anaerobic reactor for wastewater treatment |
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- 2022-02-22 CN CN202220359909.6U patent/CN217230482U/en active Active
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