CN218232040U - Coating wastewater treatment device - Google Patents

Coating wastewater treatment device Download PDF

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Publication number
CN218232040U
CN218232040U CN202222277313.4U CN202222277313U CN218232040U CN 218232040 U CN218232040 U CN 218232040U CN 202222277313 U CN202222277313 U CN 202222277313U CN 218232040 U CN218232040 U CN 218232040U
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China
Prior art keywords
tank
filter press
liquid level
sedimentation tank
coagulating sedimentation
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CN202222277313.4U
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归美婷
李若沛
徐利员
曾玉娇
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Ningbo Shuisiqing Environment Technology Co ltd
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Ningbo Shuisiqing Environment Technology Co ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/10Biological treatment of water, waste water, or sewage

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  • Separation Of Suspended Particles By Flocculating Agents (AREA)

Abstract

The utility model provides a coating effluent treatment plant. The device comprises: a regulating tank, a coagulating sedimentation tank, a plate-and-frame filter press, an intermediate water tank and an aeration tank. The utility model provides a position through respectively handling the pond to coating waste water arranges the setting for the coating effluent treatment plant that the design obtained still has simple structure, easy to maintain's effect when having good coating effluent treatment capacity.

Description

Coating wastewater treatment device
Technical Field
The utility model relates to a waste water treatment technical field particularly, relates to a coating effluent treatment plant.
Background
In the process of paint production, a large amount of paint wastewater is generated, but the paint wastewater contains a large amount of COD and cannot be directly discharged, so the generated paint wastewater needs to be treated. However, the existing coating wastewater treatment device has a complex structure, and is troublesome to clean and high in maintenance cost.
SUMMERY OF THE UTILITY MODEL
The utility model provides a position through respectively handling the pond to coating waste water arranges the setting for the coating effluent treatment plant that the design obtained still has simple structure, easy to maintain's effect when having good coating effluent treatment capacity.
In order to solve the above problems, the utility model provides a coating wastewater treatment device, the device includes: the regulating tank is connected with the wastewater inlet, and the coating wastewater enters the regulating tank from the wastewater inlet; the coagulating sedimentation tank is connected with the regulating tank, and the coating wastewater treated by the regulating tank enters the coagulating sedimentation tank from the regulating tank; the plate-and-frame filter press is connected with the coagulating sedimentation tank, and the coating wastewater treated by the coagulating sedimentation tank enters the plate-and-frame filter press from the coagulating sedimentation tank; the middle water tank is connected with the plate-and-frame filter press, and filtered water obtained by treatment of the plate-and-frame filter press enters the middle water tank from the plate-and-frame filter press; and the aeration tank is respectively connected with the intermediate water tank and the wastewater outlet, filtered water treated by the intermediate water tank enters the aeration tank from the intermediate water tank, and clear water obtained by treatment of the aeration tank flows out from the wastewater outlet.
Compared with the prior art, the technical scheme has the following technical effects: the application discloses coating effluent treatment plant includes: a regulating tank, a coagulating sedimentation tank, a plate-and-frame filter press, a middle water tank and an aeration tank. The coating wastewater enters an adjusting tank for pretreatment, and then is conveyed to a coagulating sedimentation tank. Because most pollutants in the coating wastewater are insoluble inorganic compound particles, flocculation treatment needs to be carried out in a coagulation sedimentation tank, most pollutants can be precipitated by adjusting the pH value of the sewage and disturbing the electrolytic balance of the inorganic particles, 80 percent of the chromaticity in the wastewater is removed, and conditions are provided for subsequent biochemical treatment. After the coagulating sedimentation tank finishes treatment, the coating wastewater is conveyed to a plate-and-frame filter press, filtered water in the coating wastewater is conveyed to an intermediate water tank through the treatment of the plate-and-frame filter press, and mud cakes are transported out for treatment. The filtered water enters an intermediate water tank for precipitation, and then the filtered water after precipitation is conveyed to an aeration tank. The filtered water enters an aeration tank and then is subjected to biochemical treatment, the biochemical treatment is mainly realized by fully contacting activated sludge attached to the surface of the filler with water and introducing enough oxygen, the organic matters in the sewage can be consumed by the activated sludge in the growth and reproduction process, the microorganisms quickly reproduce, the biological membrane can be gradually increased, and after a period of time, the organic matters in the sewage can be consumed by the mass reproduction of the microorganisms, so that the sewage is purified, and the filtered water treated by the aeration tank reaches the discharge standard. The position of each processing pond is arranged and is set up in the scheme of this application for the coating effluent treatment plant that the design obtained still has simple structure, easy to maintain's effect when having good coating effluent treatment capacity.
The utility model discloses an in the example, be provided with the grid well between equalizing basin and waste water import, coating waste water gets into and reentries the equalizing basin after the grid well from waste water import.
Compared with the prior art, the technical scheme has the following technical effects: prevent sundries from entering the adjusting tank. Set up the grid well between waste water import and equalizing basin for the waste water that gets into the equalizing basin all will pass through the filtration of grid well, prevents that the debris of major possession from getting into the equalizing basin.
In an example of the present invention, a first liquid level indicating device is provided on the regulating reservoir, and the first liquid level indicating device is used for displaying the height of the liquid level in the regulating reservoir.
Compared with the prior art, the technical effect achieved by adopting the technical scheme is as follows: and displaying the liquid level of the adjusting tank. When the liquid level in the regulating tank reaches a conveying set value, the waste liquid in the regulating tank needs to be conveyed into a coagulating sedimentation tank; when the liquid level in the adjusting tank is lower than a conveying set value, the conveying of the waste liquid in the coagulating sedimentation tank by the adjusting tank needs to be stopped; when the height of the liquid level in the regulating reservoir is higher than a liquid inlet set value, the conveying of the waste liquid of the regulating reservoir by the waste liquid inlet needs to be stopped; and when the liquid level of the regulating reservoir is lower than the liquid inlet set value, the waste liquid inlet is opened to convey waste liquid to the regulating reservoir.
The utility model discloses an in the example, be provided with first elevator pump between equalizing basin and coagulating sedimentation pond, first elevator pump is arranged in the coating waste water input coagulating sedimentation pond with in the equalizing basin.
Compared with the prior art, the technical scheme has the following technical effects: and conveying the coating waste liquid from the regulating position to a coagulating sedimentation tank by using a first lifting pump. Because the height difference does not necessarily exist between the adjusting tank and the coagulating sedimentation tank, when the waste liquid in the adjusting tank is conveyed to the coagulating sedimentation tank, a lifting pump is required to be used for conveying.
In one example of the present invention, a second lift pump is provided between the intermediate water tank and the aeration tank, and the second lift pump is used for inputting the filtered water in the intermediate water tank into the aeration tank.
Compared with the prior art, the technical scheme has the following technical effects: filtered water is transported from the intermediate water basin to the aeration basin using a second lift pump. Since the height difference between the intermediate water tank and the aeration tank is not always provided, a lift pump is required for conveying the filtered water in the intermediate water tank to the aeration tank.
The utility model discloses an in the example, the plate and frame filter press includes filter-pressing pump, drainage export, and filter-pressing pump is connected with coagulating sedimentation tank, and the drainage export is connected with middle pond.
Compared with the prior art, the technical effect achieved by adopting the technical scheme is as follows: realize the water inlet and outlet of the plate-and-frame filter press. The filter-pressing pump can also take out the upper strata liquid in the coagulating sedimentation tank and carry to the filter press in, can also carry the drainage that the filter-pressing was accomplished to middle pond through the drainage export simultaneously.
The utility model discloses an in the example, be provided with first acid-base indicating device, second liquid level indicating device on the coagulating sedimentation pond, first acid-base indicating device is arranged in showing the pH valve of coating waste liquid in the coagulating sedimentation pond, and second liquid level indicating device is arranged in showing the height of liquid level in the coagulating sedimentation pond.
Compared with the prior art, the technical scheme has the following technical effects: monitoring of the pH value of the waste liquid in the coagulating sedimentation tank can be achieved through the first acid-base indicating device, and therefore metering of the added medicament is controlled. The second liquid level indicating device can monitor the liquid level in the coagulating sedimentation tank, and when the liquid level in the coagulating sedimentation tank reaches a conveying set value, the waste liquid in the coagulating sedimentation tank needs to be conveyed to the plate-and-frame filter press; when the liquid level in the coagulating sedimentation tank is lower than a conveying set value, the conveying of the waste liquid of the coagulating sedimentation Chi Duiban frame filter press is required to be stopped; when the height of the liquid level in the coagulating sedimentation tank is higher than a liquid inlet set value, the conveying of the waste liquid in the coagulating sedimentation tank by the adjusting tank needs to be stopped; when the liquid level height of the coagulating sedimentation tank is lower than a liquid inlet set value, the adjusting tank is required to convey waste liquid to the coagulating sedimentation tank.
The utility model discloses an in the example, still be provided with agitating unit in the coagulating sedimentation pond, agitating unit is arranged in stirring the coating waste liquid in the coagulating sedimentation pond.
Compared with the prior art, the technical scheme has the following technical effects: when the stirring device is used for stirring the coating waste liquid in the coagulating sedimentation tank, the reaction speed of flocculation treatment can be accelerated, and the reaction between the medicament and the waste water is more sufficient.
The utility model discloses an in the example, be provided with second acid-base indicating device, third liquid level indicating device on middle pond, second acid-base indicating device is arranged in showing the pH valve of drainage in the middle pond, and third liquid level indicating device is arranged in showing the height of liquid level in the middle pond.
Compared with the prior art, the technical scheme has the following technical effects: the second acid-base indicating device can monitor the pH value of the waste liquid in the middle water tank. The third liquid level indicating device can monitor the liquid level in the intermediate water tank, and when the liquid level in the intermediate water tank reaches a conveying set value, the filtered water in the intermediate water tank needs to be conveyed to the aeration tank; when the liquid level in the middle water tank is lower than the conveying set value, the middle water tank is required to stop conveying the filtered water of the aeration tank; when the height of the liquid level in the middle water tank is higher than a liquid inlet set value, the conveying of the plate-and-frame filter press to the filtered water in the middle water tank needs to be stopped; when the liquid level of the middle water tank is lower than the liquid inlet set value, the plate-and-frame filter press needs to be started to carry out water filtration and conveying on the middle water tank.
In an example of the present invention, a blower device is disposed on the aeration tank, and the blower device is used for delivering gas into the aeration tank.
Compared with the prior art, the technical scheme has the following technical effects: the fan device can convey the gas to the aeration tank, so that the biochemical treatment effect of the activated sludge is improved.
Drawings
FIG. 1 is a schematic structural view of a coating wastewater treatment device provided by an embodiment of the present invention.
Fig. 2 is a front view of a coating wastewater treatment device provided by the embodiment of the utility model.
Fig. 3 is a rear view of a coating wastewater treatment device provided by an embodiment of the present invention.
FIG. 4 is a flow chart of a coating wastewater treatment device provided by an embodiment of the present invention.
Description of reference numerals:
100-a device; 110-a regulating reservoir; 111-a grid well; 112-a first level indicating device; 120-a coagulating sedimentation tank; 121-a first acid-base indicator means; 122-second level indicating means; 123-a stirring device; 130-plate and frame filter press; 131-a filter-pressing pump; 132-a filtered water outlet; 140-intermediate pool; 141-a second acid base indicating device; 142-a third level indicating device; 150-an aeration tank; 151-a fan arrangement; 152-a fan; 153-an outlet pipe; 161-a first lift pump; 162-a second lift pump; 170-equipment room; 180-water outlet pool; 190-fan room; 200-a wastewater inlet; 300-waste water outlet.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below.
The first embodiment is as follows:
referring to fig. 1 to 4, a coating material wastewater treatment apparatus 100 includes: the regulating reservoir 110, the regulating reservoir 110 is connected with the wastewater inlet 200, and the coating wastewater enters the regulating reservoir 110 from the wastewater inlet 200; the coagulating sedimentation tank 120, the coagulating sedimentation tank 120 is connected with the regulating tank 110, and the coating wastewater treated by the regulating tank 110 enters the coagulating sedimentation tank 120 from the regulating tank 110; the plate-and-frame filter press 130 is connected with the coagulating sedimentation tank 120, and the coating wastewater treated by the coagulating sedimentation tank 120 enters the plate-and-frame filter press 130 from the coagulating sedimentation tank 120; the intermediate water tank 140, the intermediate water tank 140 is connected with the plate-and-frame filter press 130, and filtered water obtained by treatment of the plate-and-frame filter press 130 enters the intermediate water tank 140 from the plate-and-frame filter press 130; the aeration tank 150 and the aeration tank 150 are respectively connected with the intermediate water tank 140 and the wastewater outlet 300, filtered water treated by the intermediate water tank 140 enters the aeration tank 150 from the intermediate water tank 140, and clear water treated by the aeration tank 150 flows out from the wastewater outlet 300.
The device 100 is sequentially provided with a regulating tank 110, a coagulating sedimentation tank 120, a plate-and-frame filter press 130, an aeration tank 150 and an intermediate water tank 140, an equipment room 170 is further arranged in the area between the regulating tank 110 and the aeration tank 150, a water outlet tank 180 is further arranged in the area between the aeration tank 150 and the intermediate water tank 140, and filtered water treated by the aeration tank 150 flows out from a waste water outlet 300 after passing through the water outlet tank 180.
In one particular embodiment, the plate and frame filter press 130 is positioned 1 meter above the floor.
In one embodiment, the bottom of the aeration tank 150 is provided with a groove, the bottom of the groove is a square with a diameter of 20 cm, and four sides extend from four sides of the square and are connected with the outer shell of the aeration tank 150, and the connection position is 50 cm away from the ground. The specific dimensions of the aeration tank 150 are 3 meters long, 4 meters wide and 2.3 meters high.
In a specific embodiment, the specific size of the adjusting tank 110 is 3 meters long, 0.8 meters wide and 2.3 meters high.
In a specific embodiment, the concrete dimensions of the coagulation sedimentation tank 120 are 3 meters long, 1.7 meters wide and 2.3 meters high.
In one particular embodiment, the particular dimensions of the space that houses the plate and frame filter press 130 are 3 meters long, 2.5 meters wide, and 1.3 meters high.
In a specific embodiment, the specific dimensions of the middle water tank 140 are 0.5m long, 1 m wide and 2.3 m high.
In one specific embodiment, the specific spatial dimensions of the equipment room 170 are 1.3 meters long, 5 meters wide, and 2.3 meters high.
In a specific embodiment, the specific dimensions of the effluent pool 180 are 2.5 meters long, 1 meter wide, and 0.8 meters high.
Specifically, the flow rate of the coating waste liquid entering the regulating reservoir 110 is 0.5m 3 D, the COD of the coating waste liquid is 30000mg/l, and then the coating waste liquid is conveyed into the coagulating sedimentation tank 120, and the flow is controlled to be 5m 3 D, stirring for 5 minutes after water feeding and chemical adding, precipitating for 3 hours, then conveying the coating waste liquid to a plate-and-frame filter press 130, treating the precipitated effluent with COD of 17000mg/l, conveying the filtered water to an intermediate water tank 140 after the treatment of the plate-and-frame filter press 130, and controlling the flow to be 0.5m 3 D, COD is 17000mg/l, finally the filtered water is input into the aeration tank 150, and the flow is controlled to be 0.5m 3 D, the flow rate of the effluent after being treated by the aeration tank 150 is 0.5m 3 /d、COD≤400mg/l。
Example two:
on the basis of the first embodiment, referring to fig. 1-4, a grid well 111 is arranged between the regulating reservoir 110 and the waste water inlet 200, and the coating waste water enters from the waste water inlet 200, passes through the grid well 111 and then enters the regulating reservoir 110.
The grid well 111 is disposed on the top of the conditioning tank 110, near the equipment room 170, and is fixedly connected to the conditioning tank 110. In one embodiment, the grid well 111 is disposed outside the wastewater inlet 200, and the grid well 111 has a height of 0.5m and a width of 0.2 m.
Specifically, the grid well 111 is a 20-mesh grid mesh.
Example three:
on the basis of the second embodiment, referring to fig. 1-4, a first liquid level indicating device 112 is arranged on the regulating reservoir 110, and the first liquid level indicating device 112 is used for displaying the height of the liquid level in the regulating reservoir 110.
The first liquid level indicating device 112 includes a detecting member, a calculating member, and a display member, the detecting member is located inside the regulating reservoir 110, and the calculating member and the display member are located outside the regulating reservoir 110.
Example four:
on the basis of the first embodiment, referring to fig. 1 to 4, a first lift pump 161 is arranged between the regulating reservoir 110 and the coagulating sedimentation reservoir 120, and the first lift pump 161 is used for conveying the coating wastewater in the regulating reservoir 110 into the coagulating sedimentation reservoir 120.
First elevator pump 161 includes two at least elevator pumps, and the use of elevator pump adopts the form of manual and automatic combination, and when the elevator pump was in automatic state, the elevator pump was by liquid level switch control, and high liquid level starts, and low liquid level stops, and super high liquid level reports to the police, and two elevator pumps are at the automatic operation of liquid level of difference.
The two ends of the first lift pump 161 are respectively connected with the adjusting tank 110 and the coagulating sedimentation tank 120, and the first lift pump 161 is positioned in the equipment room 170.
Example five:
on the basis of the first embodiment, referring to fig. 1 to 4, a second lift pump 162 is disposed between the intermediate water tank 140 and the aeration tank 150, and the second lift pump 162 is used for transferring the filtered water in the intermediate water tank 140 into the aeration tank 150.
The second lift pump 162 comprises at least one lift pump, the lift pump is used in a manual and automatic combination mode, when the lift pump is in an automatic state, the lift pump is controlled by a liquid level switch, a high liquid level is started, a low liquid level is stopped, an ultrahigh liquid level alarm is given, and the two lift pumps automatically operate at different liquid level levels.
The second lift pump 162 is located at the lower side of the outlet tank 180, and the second lift pump 162 is also located at a position between the aeration tank 150 and the intermediate tank 140.
Example six:
on the basis of the first embodiment, referring to fig. 1 to 4, the plate-and-frame filter press 130 comprises a filter press pump 131 and a filtered water outlet 132, wherein the filter press pump 131 is connected with the coagulating sedimentation tank 120, and the filtered water outlet 132 is connected with the intermediate water tank 140.
Both ends of the filter press pump 131 are respectively connected with the intermediate water tank 140 and the aeration tank 150, the filter press pump 131 is positioned in the equipment room 170, and the filter press pump 131 is positioned between the first lift pump 161 and the aeration tank 150.
The filtered water outlet 132 is connected to the intermediate water tank 140 after exiting the plate and frame filter press 130 and passing over the aeration tank 150.
Example seven:
on the basis of the first embodiment, referring to fig. 1 to 4, a first acid-base indicating device 121 and a second liquid level indicating device 122 are arranged on the coagulation sedimentation tank 120, the first acid-base indicating device 121 is used for displaying the acidity-basicity of the coating waste liquid in the coagulation sedimentation tank 120, and the second liquid level indicating device 122 is used for displaying the height of the liquid level in the coagulation sedimentation tank 120.
The first acid-base indicating device 121 includes an acid-base detecting element and an acid-base displaying element, the acid-base detecting element is located inside the coagulation sedimentation tank 120, and the acid-base displaying element is located outside the coagulation sedimentation tank 120.
The second liquid level indicating device 122 comprises a detecting piece, a calculating piece and a displaying piece, wherein the detecting piece is positioned inside the coagulating sedimentation tank 120, and the calculating piece and the displaying piece are positioned outside the coagulating sedimentation tank 120.
Example eight:
on the basis of the seventh embodiment, referring to fig. 1 to 4, a stirring device 123 is further disposed in the coagulating sedimentation tank 120, and the stirring device 123 is used for stirring the coating waste liquid in the coagulating sedimentation tank 120.
The stirring device 123 includes a stirring member and a power member, the stirring member is located inside the stirring device 123, and the power member is located outside the stirring device 123.
Example nine:
on the basis of the first embodiment, referring to fig. 1 to 4, a second acid-base indicating device 141 and a third liquid level indicating device 142 are arranged on the intermediate water tank 140, the second acid-base indicating device 141 is used for displaying the ph of the filtered water in the intermediate water tank 140, and the third liquid level indicating device 142 is used for displaying the height of the liquid level in the intermediate water tank 140.
The second acid-base indicating device 141 includes an acid-base detecting part located inside the middle water tank 140, and an acid-base displaying part located outside the middle water tank 140.
The third liquid level indicating device 142 includes a detecting member, an arithmetic member, and a display member, the detecting member is located inside the middle water tank 140, and the arithmetic member and the display member are located outside the middle water tank 140.
Example ten:
on the basis of the first to ninth embodiments, referring to fig. 1 to 4, a fan device 151 is provided on the aeration tank 150, and the fan device 151 is used for conveying gas into the aeration tank 150.
A fan chamber 190 is arranged on the lower side of the water outlet pool 180, the fan device 151 comprises at least two fans 152 and at least two air outlet pipelines 153, the fans 152 are connected with the air outlet pipelines 153, the fans 151 are located in the fan chamber 190, the air outlet pipelines 153 are located in the aeration pool 150, and a plurality of air outlets are arranged on the air outlet pipelines 153. The fan 152 is controlled by a combination of automatic and manual control.
Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one of ordinary skill in the pertinent art without departing from the scope or spirit of the present invention, and the scope of the present invention is defined by the appended claims.

Claims (10)

1. A coating material wastewater treatment apparatus, characterized in that the apparatus (100) comprises:
the regulating reservoir (110), the regulating reservoir (110) is connected with a waste water inlet (200), and the coating waste water enters the regulating reservoir (110) from the waste water inlet (200);
the coagulating sedimentation tank (120), the coagulating sedimentation tank (120) is connected with the regulating tank (110), and the coating wastewater treated by the regulating tank (110) enters the coagulating sedimentation tank (120) from the regulating tank (110);
the plate-and-frame filter press (130), the plate-and-frame filter press (130) is connected with the coagulating sedimentation tank (120), and the coating wastewater treated by the coagulating sedimentation tank (120) enters the plate-and-frame filter press (130) from the coagulating sedimentation tank (120);
the intermediate water tank (140), the intermediate water tank (140) is connected with the plate and frame filter press (130), and filtered water obtained through treatment of the plate and frame filter press (130) enters the intermediate water tank (140) from the plate and frame filter press (130);
the aeration tank (150), the aeration tank (150) respectively with intermediate water pond (140) and waste water export (300) are connected, through behind intermediate water pond (140) the drainage after handling is followed intermediate water pond (140) gets into in the aeration tank (150), through clear water that aeration tank (150) were handled and are obtained flows from waste water export (300).
2. The device according to claim 1, characterized in that a grid well (111) is arranged between the conditioning tank (110) and the waste water inlet (200), and the coating waste water enters from the waste water inlet (200) and passes through the grid well (111) before entering the conditioning tank (110).
3. The device according to claim 2, characterized in that a first level indicator (112) is arranged on the conditioning tank (110), the first level indicator (112) being adapted to indicate the height of the liquid level in the conditioning tank (110).
4. The apparatus according to claim 1, characterized in that a first lift pump (161) is arranged between the conditioning tank (110) and the coagulating sedimentation tank (120), and the first lift pump (161) is used for conveying the coating wastewater in the conditioning tank (110) into the coagulating sedimentation tank (120).
5. The arrangement according to claim 1, characterized in that a second lift pump (162) is arranged between the intermediate water basin (140) and the aeration basin (150), the second lift pump (162) being used for conveying the filtered water in the intermediate water basin (140) into the aeration basin (150).
6. The apparatus according to claim 1, wherein the plate and frame filter press (130) comprises a filter press pump (131), a filtered water outlet (132), the filter press pump (131) being connected to the coagulation sedimentation basin (120), the filtered water outlet (132) being connected to the intermediate water basin (140).
7. The device according to claim 1, characterized in that a first acid-base indicating device (121) and a second liquid level indicating device (122) are arranged on the coagulation sedimentation tank (120), wherein the first acid-base indicating device (121) is used for displaying the pH value of the coating wastewater in the coagulation sedimentation tank (120), and the second liquid level indicating device (122) is used for displaying the height of the liquid level in the coagulation sedimentation tank (120).
8. The apparatus according to claim 7, characterized in that a stirring device (123) is further provided in the coagulation sedimentation tank (120), the stirring device (123) being used for stirring the coating wastewater in the coagulation sedimentation tank (120).
9. The device according to claim 1, characterized in that a second acid-base indicating device (141) and a third liquid level indicating device (142) are arranged on the intermediate water pool (140), wherein the second acid-base indicating device (141) is used for displaying the pH value of the filtered water in the intermediate water pool (140), and the third liquid level indicating device (142) is used for displaying the height of the liquid level in the intermediate water pool (140).
10. An apparatus according to any one of claims 1 to 9, characterized in that a fan device (151) is arranged on the aeration tank (150), the fan device (151) being adapted to convey gas into the aeration tank (150).
CN202222277313.4U 2022-08-29 2022-08-29 Coating wastewater treatment device Active CN218232040U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222277313.4U CN218232040U (en) 2022-08-29 2022-08-29 Coating wastewater treatment device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222277313.4U CN218232040U (en) 2022-08-29 2022-08-29 Coating wastewater treatment device

Publications (1)

Publication Number Publication Date
CN218232040U true CN218232040U (en) 2023-01-06

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222277313.4U Active CN218232040U (en) 2022-08-29 2022-08-29 Coating wastewater treatment device

Country Status (1)

Country Link
CN (1) CN218232040U (en)

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