CN211004981U - Paint spraying wastewater circulating treatment system - Google Patents
Paint spraying wastewater circulating treatment system Download PDFInfo
- Publication number
- CN211004981U CN211004981U CN201921535336.2U CN201921535336U CN211004981U CN 211004981 U CN211004981 U CN 211004981U CN 201921535336 U CN201921535336 U CN 201921535336U CN 211004981 U CN211004981 U CN 211004981U
- Authority
- CN
- China
- Prior art keywords
- tank
- district
- water
- paint
- oil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The utility model discloses a waste water circulation processing system sprays paint, the system includes cascade spraying device and purifier, cascade spraying device includes spraying device, collecting vat and aqua storage tank, purifier is equipped with water inlet and delivery port, and the collecting vat is connected to the water inlet, and the aqua storage tank is connected to the delivery port, its characterized in that, purifier includes reaction tank and the A jar, B jar and the air-blower that communicate with the reaction tank through the pipeline, the reaction tank is equipped with flocculation district, air supporting district and MBR membrane reaction area in proper order to with flocculation district and air supporting district intercommunication through the first communicating pipe that sets up, through second communicating pipe intercommunication air supporting district and MBR membrane reaction area that sets up, still be equipped with the oil trap on the lateral wall in air supporting district, and the top is equipped with the fridge. The utility model provides a waste water circulation processing system sprays paint, full automated processing, not only separate effectually, and the small in quantity of pump, energy-concerving and environment-protective, the application promotion that needs the technology of spraying paint at car, household electrical appliances, furniture etc. is particularly suitable for.
Description
Technical Field
The utility model relates to a sewage purification treatment facility technical field, in particular to waste water circulation processing system sprays paint.
Background
In the car, household electrical appliances, in furniture trade and the partial plastics processing trade, the coating operation adopts the wet-type processing technique that sprays paint mostly, can have a large amount of coating cloud to flow into in the collecting vat at the spraying in-process, and do not have adnexed coating cloud and organic matter also can be absorbed by the cascade, flow back in the collecting vat, thereby make the paint volume of collecting vat more and more big, form the waste water that sprays paint, when aquatic paint volume is too big, if not carry out purification treatment then unable reuse, and because contain a large amount of resin and organic matter in the waste water that sprays paint, direct emission can also the polluted environment.
In the prior art, a paint mist coagulant is usually added into paint spraying wastewater to purify paint mist in the paint spraying wastewater, and organic matters in the wastewater are adsorbed by a membrane treatment technology, so that the purpose of long-term recycling of water for water curtains is achieved. The paint mist coagulant usually comprises an agent A and an agent B, in the prior art, the agent A and the agent B are usually added in a manual feeding or pumping mode, the manual feeding needs manpower, the dosage control is not accurate, two water pumps need to be correspondingly added in the pumping mode, the cost is high, and in the prior art, intermittent batch processing is adopted, so that the efficiency is reduced, and the continuous operation cannot be carried out.
It is seen that improvements and enhancements to the prior art are needed.
SUMMERY OF THE UTILITY MODEL
In view of the foregoing prior art's weak point, an object of the utility model is to provide a waste water circulation processing system sprays paint, aim at solving among the prior art and spray paint in the waste water treatment need a plurality of pumps add the medicine, can not the continuous operation defect moreover.
In order to achieve the purpose, the utility model adopts the following technical proposal:
the utility model provides a waste water circulation processing system sprays paint, the system includes cascade spraying device and purifier, cascade spraying device includes spraying device, collecting vat and aqua storage tank, purifier is equipped with water inlet and delivery port, and the collecting vat is connected to the water inlet, and the aqua storage tank is connected to the delivery port, wherein, purifier includes reaction tank and the A jar, B jar and the air-blower through pipeline and reaction tank intercommunication, the reaction tank is equipped with flocculation district, air supporting district and MBR membrane reaction district in proper order to with flocculation district and air supporting district intercommunication through the first communicating pipe that sets up, through the second communicating pipe intercommunication air supporting district and MBR membrane reaction district that sets up, still be equipped with the oil trap on the lateral wall in air supporting district, and the top is equipped with the fridge.
In the paint spraying wastewater circulating treatment system, the system is also provided with a lift pump and a first flow mixer, one end of the lift pump is connected with the collecting tank, the other end of the lift pump is connected with the input end of the first flow mixer, the input end of the first flow mixer is also connected with the tank A, and the output end of the first flow mixer is connected with the water inlet.
In the paint spraying wastewater circulating treatment system, the system further comprises a second flow mixer, the input end of the second flow mixer is respectively connected with the air blower and the tank B, and the output end of the second flow mixer is connected with the air flotation area.
In the paint spraying wastewater circulating treatment system, the flocculation area and the air flotation area are respectively provided with a plurality of upper partition plates and lower partition plates which are fixed in a vertically staggered mode, and the height of each partition plate is smaller than that of the reaction tank.
In the paint spraying wastewater circulating treatment system, the top of the oil collecting tank is provided with an oil stain inlet, the bottom of the oil collecting tank is provided with an oil stain outlet, and the position of the oil stain inlet is lower than that of the water outlet of the air flotation area.
In the paint spraying wastewater circulating treatment system, the water storage tank, the tank A and the tank B are all provided with liquid level meters.
In the paint spraying wastewater circulating treatment system, the system is also provided with an electric cabinet, and the electric cabinet is respectively and electrically connected with a lifting pump, an air blower and a liquid level meter of the water curtain spraying device.
Has the advantages that:
the utility model provides a paint spraying wastewater circulating treatment system, which is characterized in that a mixed flow device is used, so that a paint mist flocculating agent is not required to be injected by a pump in the adding process, the number of the pumps is reduced, and the cost and the energy are saved; the plurality of partition plates arranged in the reaction tank can prolong the flow of the wastewater, ensure that the wastewater fully reacts with the paint mist coagulant and improve the separation effect; the air blower not only can generate the air floatation effect, but also can promote the combination of the paint mist flocculating agent B and the paint mist particles, so that the paint mist oil residue and the water are better separated, and the purification efficiency is improved; the oil collecting tank and the oil wiper can timely remove separated oil stains, so that the purification efficiency is improved; the liquid level gauge can monitor the liquid levels of the tank A, the tank B and the water storage tank, timely supplement is facilitated, and automation efficiency is improved.
Drawings
FIG. 1 is a flow chart of a paint spraying wastewater recycling treatment system provided by the utility model;
FIG. 2 is a schematic view of the structure of the purification apparatus;
fig. 3 is a cross-sectional view along AA in fig. 2.
Detailed Description
The utility model provides a waste water circulation processing system sprays paint, for making the utility model discloses a purpose, technical scheme and effect are clearer, clear and definite, and it is right that the following refers to the attached drawing and the embodiment is lifted the utility model discloses further detailed description. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Please refer to fig. 1, 2 and 3, a paint spraying wastewater recycling system comprises a water curtain spraying device and a purifying device, wherein the water curtain spraying device comprises a spraying device, a collecting tank and a water storage tank, and is used for spraying water curtain to absorb redundant paint mist in a wet paint spraying process, the purifying device is used for purifying and removing paint mist and organic matters in wastewater, a water inlet of the purifying device is connected with the collecting tank, and a water outlet of the purifying device is connected with the water storage tank.
In the above structure, as shown in fig. 1, the system is further provided with a lift pump, a first flow mixer and a second flow mixer. One end of the lift pump is connected with the collecting tank, the other end of the lift pump is connected with the first flow mixer, and the outlet end of the first flow mixer is connected with the purifying device through a pipeline. Because purifier's position highly is higher than the position of collecting vat and water storage tank, through the elevator pump that sets up, can be with the higher purifier of the waste water input position that sprays paint, and the purified water after the purification treatment just can flow into in the water storage tank through the action of gravity.
As shown in fig. 2, the purification apparatus includes a reaction tank 1, a drug storage tank 2 and a blower 3, the reaction tank is provided with a flocculation area 11, an air flotation area 12 and an MBR membrane reaction area 13 which are communicated with each other, and the flocculation area 11, the air flotation area 12 and the MBR membrane reaction area 13 are communicated with each other through a first connecting pipe 14 and a second connecting pipe 15. The flocculation area 11 is used for combining the paint mist coagulant A with the paint spraying wastewater in a reaction mode, the air floatation area 12 is used for carrying out air floatation separation of oil and water on the flocculated wastewater through the paint mist coagulant B and blown bubbles, and the MBR membrane reaction area 13 is used for adsorbing organic matters in water. The flocculation area is provided with a water inlet 111, the MBR membrane reaction area 13 is provided with a water outlet 131, the paint spraying wastewater enters from the water inlet 111, is sequentially treated by the flocculation area 11, the air flotation area 12 and the MBR membrane reaction area 13 to obtain purified water, and then flows into the water storage tank from the water outlet 131 through a pipeline.
As shown in fig. 2, the medicine storage tank 2 comprises an A tank 21 and a B tank 2 which are respectively filled with a paint mist coagulant A and a paint mist coagulant B, and the A tank is communicated with the mixer through a pipeline provided with an electric valve; and the tank B is communicated with the air flotation area through a pipeline provided with an electric valve. The electric valve can control the flow rate, thereby controlling the dosing dosage.
As shown in figure 1, in the structure, the input end of the first flow mixer is respectively connected with a lift pump and an A tank 21, and the output end of the first flow mixer is connected with a water inlet 111 of the flocculation area. First mixed flow ware adopts the venturi structure, and is high-speed through the high pressure of elevator pump for the pipeline of intercommunication A jar 21 forms the negative pressure, thereby makes the medicament of A jar 21 get into first mixed flow ware under the effect of negative pressure and gravity, realizes adding the medicine under the condition that does not have the water pump, practices thrift the cost, and because the effect of first mixed flow ware, makes the better mixture of coating cloud coagulant A ability and the waste water that sprays paint, has improved the flocculation effect of coating cloud in the waste water.
As shown in fig. 2 and 3, in the above structure, the flocculation zone 11 and the air flotation zone 12 are both provided with a plurality of partition plates 16 in parallel, and the height of the partition plates 16 is smaller than that of the reaction tank, and the partition plates include an upper partition plate fixed on the top surface inside the reaction tank and a lower partition plate fixed on the bottom surface inside the reaction tank. The partition plate 16 can change the flowing route of the waste water, prolong the reaction time of the waste water and the paint mist coagulant and lead the oil-water separation to be more comprehensive.
As shown in fig. 2 and 3, in the above structure, the air floating zone is provided with a plurality of air inlet holes 121 on the bottom surfaces of both sides of the lower partition plate, the air inlet holes 121 are connected with the second mixer 4 through pipelines, the second mixer 4 is respectively communicated with the blower 3 and the B tank 2, the blower 3 presses air in to form high-speed air in the second mixer 4, so that a pipeline connected with the B tank 22 forms negative pressure, the B tank chemicals flow into the second mixer 4 under the action of gravity and negative pressure to form bubbles with the paint mist flocculating agent B, and then the bubbles enter the air floating zone to react with the flocculated paint mist in the air floating zone and adhere to the paint mist, so that the paint mist floats on the liquid surface, and the separation of the paint mist and water is accelerated.
In the above structure, as shown in fig. 2, an oil collecting tank 122 is further provided on the side wall of the air flotation region, and an oil wiper 123 is provided on the top. The oil collecting tank is positioned on the side walls of two sides between the upper partition plate of the air flotation area and the flocculation area, the top of the oil collecting tank is provided with an oil stain inlet, the bottom of the oil collecting tank is provided with an oil stain outlet (the oil stain inlet and the oil stain outlet are not drawn in the attached drawing), and the position of the oil stain inlet is lower than that of the second communicating pipe 15, but higher than that of the lower partition plate. The oil wiper is arranged in parallel with the oil collecting tank, the bottom surface of the oil wiper is flush with the oil stain inlet, and the oil wiper is driven by a driver arranged at the top of the reaction tank to reciprocate so as to wipe the oil residue floating on the surface into the oil collecting tank. The driver can be a cylinder or a sliding module with a guide rail, but is not limited to the cylinder or the sliding module, and the driver can be a device capable of driving the oil scraper to reciprocate.
As shown in fig. 2 and 3, in the above structure, the MBR membrane reaction zone 13 is filled with MBR membranes, and the filling height of the MBR membranes is lower than that of the second communicating pipe 15. The MBR membrane reaction zone is communicated with the air flotation zone through a second communicating pipe, a water outlet 131 is arranged at the bottom end of the MBR membrane reaction zone, the water outlet 131 is connected with the water storage tank through a pipeline, water flowing in from the air flotation zone 12 is filtered and adsorbed by the MBR membrane reaction zone 13, organic matters in the water are removed, purified water is obtained, and then the purified water enters the water storage tank through the water outlet 131.
In the structure, the water storage tank is also provided with a liquid level meter and a water supply pipe (not drawn in the attached drawing), the water supply pipe is controlled by an electric valve, the liquid level meter is used for monitoring the height of the water level in the water storage tank, and when the water level is lower than the set water level, the water level is supplied by the water supply pipe.
In the above structure, the system further comprises a control box (not shown in the drawings), the control box is electrically connected with the water curtain spraying device and the purifying device, specifically, a P L C controller is arranged in the control box and is respectively electrically connected with the spraying device, the lift pump, the blower, the electric valves, the level meter and the oil scraper driving device, the control box can control the on-off of the spraying device, the lift pump, the blower, the electric valves, the level meter and the oil scraper driving device, and the flow rate of the lift pump and the electric valves can be adjusted.
It should be noted that the lift pump is a variable frequency pump, the power can be adjusted, the metering can be performed, and the control box can adjust the sizes of the electric valves of the tank A21 and the tank B22 according to the flow rate of the lift pump, so that the paint mist coagulant is not wasted or insufficient. It should be further noted that the tank a 21 and the tank B22 are both provided with level meters for monitoring whether the amount of the medicament in the tank a and the tank B is lower than a set value, the level meters are electrically connected to the control box, and when the amount of the medicament in the tank a and the tank B is lower than a limit value, an alarm prompt is given. It should be further noted that valves are provided at the inlet and outlet of all the pipes.
The specific implementation process comprises the following steps:
in the paint spraying process, a control box switch is opened, a water curtain spraying device sprays a water curtain, the water curtain adsorbs redundant paint mist and flows into a paint spraying wastewater collecting tank, a lifting pump is started, the paint spraying wastewater is input into a flocculation area 11 through a mixer, simultaneously, an electric valve of an A tank 21 is opened, an agent A is mixed with the wastewater through a first mixer and then enters the flocculation area 11, then the mixture flows through a lower partition plate and an upper partition plate arranged in the flocculation area 11 to perform sufficient flocculation reaction, then the mixture enters an air floatation area through a first communicating pipe 14, simultaneously, an electric valve of a blower 4 and a B tank 22 is opened, air and an agent B are blown in, the air and the agent B are mixed in a second mixer 4 and enter the air floatation area 12 through air holes to be combined with flocculated paint mist particles, a long-chain paint mist coagulant agent B and air bubbles are attached to the paint mist particles to form oil residue floating on an oil device, the oil residue is scraped into an oil collecting tank 122 through a scraper 123 which moves back, then flow into among the greasy dirt collection device through the oil-out, and the water after detaching coating cloud dregs of fat gets into MBR membrane reaction zone 13 through second communicating pipe 15, further filters the absorption through the MBR membrane with the organic matter of aquatic, obtains the purified water, then flows into the aqua storage tank through delivery port 131, and rethread water curtain spraying device spraying cascade realizes the recycling of the waste water that sprays paint.
In the operation process of the system, the level gauges simultaneously monitor the water levels in the tank A21, the tank B22 and the water storage tank, when the water levels are lower than a set value, a water replenishing pipe in the water storage tank is opened to replenish the water levels, and when the agent A and the agent B are lower than the set value, the control box gives an alarm prompt to prompt a worker to replenish the agents in time.
To sum up, the waste water circulation processing system sprays paint, need not the manual medicine, degree of automation is high, water oil separating is effectual to utilize the mixed flow ware, reduced the quantity of pump, both reduce cost, energy-concerving and environment-protective again, the waste water purification in the especially adapted wet-type spray paint technology.
It is understood that equivalents and changes may be made to the technical solution of the present invention and its concept by those skilled in the art, and all such changes and substitutions shall fall within the scope of the appended claims.
Claims (7)
1. The utility model provides a waste water circulation processing system sprays paint, the system includes cascade spraying device and purifier, cascade spraying device includes spraying device, collecting vat and aqua storage tank, purifier is equipped with water inlet and delivery port, and the collecting vat is connected to the water inlet, and the aqua storage tank is connected to the delivery port, its characterized in that, purifier includes reaction tank and the A jar, B jar and the air-blower that communicate with the reaction tank through the pipeline, the reaction tank is equipped with flocculation district, air supporting district and MBR membrane reaction district in proper order to with flocculation district air supporting district intercommunication through the first communicating pipe that sets up, through the second communicating pipe intercommunication air supporting district and MBR membrane reaction district that sets up, still be equipped with the oil trap on the lateral wall in air supporting district, and the top is equipped with the oil scraper.
2. The paint spraying wastewater recycling system according to claim 1, further comprising a lift pump and a first flow mixer, wherein one end of the lift pump is connected to the collecting tank, the other end of the lift pump is connected to the input end of the first flow mixer, the input end of the first flow mixer is further connected to the tank A, and the output end of the first flow mixer is connected to the water inlet.
3. The paint spraying wastewater recycling system according to claim 1, further comprising a second flow mixer, wherein the input end of the second flow mixer is connected with the blower and the B tank respectively, and the output end of the second flow mixer is connected with the air flotation zone.
4. The paint spraying wastewater recycling treatment system according to claim 1, wherein the flocculation zone and the air flotation zone are respectively provided with a plurality of upper partition plates and lower partition plates which are fixed in a vertically staggered manner, and the height of each partition plate is smaller than that of the reaction tank.
5. The paint spraying wastewater recycling treatment system according to claim 1, wherein the oil collecting tank is provided with an oil inlet at the top and an oil outlet at the bottom, and the oil inlet is positioned at a lower height than the water outlet of the air flotation zone.
6. The paint spraying wastewater recycling treatment system according to claim 1, wherein the water storage tank, the tank A and the tank B are provided with liquid level meters.
7. The paint spraying wastewater recycling system according to any one of claims 1 to 6, further comprising an electric cabinet, wherein the electric cabinet is electrically connected with the water curtain spraying device lift pump, the blower and the liquid level meter respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921535336.2U CN211004981U (en) | 2019-09-11 | 2019-09-11 | Paint spraying wastewater circulating treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921535336.2U CN211004981U (en) | 2019-09-11 | 2019-09-11 | Paint spraying wastewater circulating treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211004981U true CN211004981U (en) | 2020-07-14 |
Family
ID=71480275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921535336.2U Active CN211004981U (en) | 2019-09-11 | 2019-09-11 | Paint spraying wastewater circulating treatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211004981U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111559838A (en) * | 2020-07-14 | 2020-08-21 | 中铁建工集团有限公司 | Treatment method of aircraft paint surface cleaning wastewater |
-
2019
- 2019-09-11 CN CN201921535336.2U patent/CN211004981U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111559838A (en) * | 2020-07-14 | 2020-08-21 | 中铁建工集团有限公司 | Treatment method of aircraft paint surface cleaning wastewater |
| CN111559838B (en) * | 2020-07-14 | 2020-10-20 | 中铁建工集团有限公司 | Treatment method of aircraft paint surface cleaning wastewater |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107043183A (en) | Sewage disposal device | |
| CN111807662B (en) | Online concentrated continuous flow modularization mud storage pond | |
| CN105000629B (en) | A kind of suspension collection system | |
| CN203639273U (en) | Circulating water treatment system of wet type dust remover | |
| CN211004981U (en) | Paint spraying wastewater circulating treatment system | |
| CN203256067U (en) | Automatic-control oil-field wastewater treatment system | |
| CN105712583A (en) | Sewage purification and filtration device | |
| CN208933147U (en) | Integrated electric flocculation carwash waste water processing unit | |
| CN205501073U (en) | Papermaking wastewater treatment system | |
| CN206720897U (en) | A kind of light waste water filtering processing unit | |
| CN206359396U (en) | A kind of MBR Treated sewage reusings processing unit | |
| CN106116055A (en) | A kind of intelligence decomposes Industrial sewage treatment system | |
| CN207498169U (en) | For the automatic business processing control system of titanium processing pickling sewage | |
| CN202465450U (en) | Treatment device of electroplating pretreatment waste water | |
| CN206680318U (en) | Sewage disposal device | |
| CN204073639U (en) | Binary channels electrolysis infiltration Auto-drainage cleaning system | |
| CN107473440A (en) | A kind of device for improving ozone utilization rate in multistage ozone air-float technique | |
| CN207511960U (en) | Efficient current stabilization coagulation air-float equipment | |
| CN207713601U (en) | A kind of integrated form sewage disposal device | |
| CN207792977U (en) | A kind of recovery system of textile sewage | |
| RU110368U1 (en) | WATER TREATMENT PLANT USING PRESSURE FLOTATION | |
| CN204265614U (en) | Removable wastewater treatment equipment | |
| CN206751597U (en) | One kind production Rubber Industrial Wastewater processing unit | |
| RU104936U1 (en) | CIRCUIT WATER CLEANING SYSTEM WHEN WASHING CARS | |
| CN105481039A (en) | Air flotation pressure dissolved air type device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |