CN213475497U

CN213475497U - Paint water separator

Info

Publication number: CN213475497U
Application number: CN202021946953.4U
Authority: CN
Inventors: 杨志灵; 刘巍; 刘云霞
Original assignee: Guanghe Environmental Protection Technology Shenzhen Co ltd
Current assignee: Guanghe Environmental Protection Technology Shenzhen Co ltd
Priority date: 2020-09-07
Filing date: 2020-09-07
Publication date: 2021-06-18
Anticipated expiration: 2030-09-07

Abstract

The utility model discloses a lacquer water separator belongs to sewage treatment technical field. The utility model discloses a lacquer water separator includes first box and second box, be equipped with the cistern in the first box, be equipped with electrode probe in the cistern, electrode probe is used for detecting PH value in the cistern, be equipped with the holding case in the second box, the holding incasement is equipped with the PH regulator, the output of holding case pass through the pipeline with the cistern is linked together, wherein electrode probe detects when PH value in the cistern is less than 7, the holding case to the cistern provides the PH regulator, with will the PH value of cistern is adjusted to predetermineeing the PH scope. The utility model discloses a lacquer water separator can make the flocculating agent fully react with the paint spraying in containing the lacquer waste water, improves the effect of lacquer water separation.

Description

Paint water separator

Technical Field

The utility model relates to a sewage treatment technical field, concretely relates to lacquer water separator.

Background

In the mechanical, automobile, hardware and other industries, water-based paint is generally used for spraying and treating the surfaces of industrial devices, but during the paint spraying operation, a large amount of paint spray is generally formed in a paint spraying chamber, so that the spraying efficiency is greatly reduced.

At present, most of domestic manufacturers adopt a mode of arranging a reservoir in a spraying chamber to realize that redundant paint spray is adsorbed by water in a circulating water pool. By adopting the operation steps, the water in the circulating water tank can be recycled, the production cost is saved, and the discharge of waste water is reduced.

However, in the above operation process, the reaction time of the paint mist and the flocculant in the sewage is short, and the paint mist and the flocculant are often not reacted sufficiently, so that the effect of separating the paint and the water is not good.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects of the prior art, the embodiment of the utility model provides a paint-water separation device for improve the reaction of paint mist in flocculating agent and the sewage.

In order to realize the above aim, the embodiment of the utility model provides a paint water separator, including first box and second box, be equipped with the cistern in the first box, be equipped with the electrode probe in the cistern, the electrode probe is used for detecting PH value in the cistern, be equipped with the holding case in the second box, the holding incasement is equipped with the PH regulator, the output of holding case pass through the pipeline with the cistern is linked together, wherein the electrode probe detects when PH value in the cistern is less than 7, the holding case to the cistern provides the PH regulator, with will the PH value of cistern is adjusted to predetermineeing the PH scope.

Optionally, the preset PH range is 7-9.

Optionally, a display screen is arranged on the second tank body, and the display screen is connected with the electrode probe to display the PH value of the reservoir.

Optionally, an aeration main machine is arranged in the second box body, an aeration air pipe is connected to the output end of the aeration main machine, and the air outlet end of the aeration air pipe is arranged in the water storage tank.

Optionally, the air outlet end of the aeration air pipe is arranged at the bottom of the water reservoir.

Optionally, an oxygen increasing host is arranged in the second box body, an oxygen supply pipe is connected to the output end of the oxygen increasing host, and the air outlet end of the oxygen supply pipe is arranged in the water storage tank.

Optionally, the air outlet end of the oxygen supply pipe is arranged at the bottom of the water reservoir.

Optionally, the aeration device further comprises a PLC, wherein the input end of the PLC is connected with the electrode probe, the output end of the PLC is connected with the accommodating box, and the output end of the PLC is respectively connected with the aeration host and the oxygenation host.

Optionally, a PLC control circuit is arranged in the second box body, one end of the PLC control circuit is connected to the accommodating box, the aeration host and the oxygenation host respectively, and the other end of the PLC control circuit is connected to the PLC controller.

Optionally, be equipped with the slag notch on the first box, the slag notch with the surface of water of cistern is linked together.

The utility model has the advantages that:

the utility model discloses a lacquer water separator, including first box and second box, be equipped with the cistern in the first box, be equipped with electrode probe in the cistern, electrode probe is used for detecting PH value in the cistern, be equipped with the holding case in the second box, the holding incasement is equipped with the PH regulator, the output of holding case pass through the pipeline with the cistern is linked together, wherein electrode probe detects when PH value in the cistern is less than 7, the holding case to the cistern provides the PH regulator, with will the PH value of cistern is adjusted to predetermineeing the PH scope. At the during operation, the flocculating agent is the most ideal in the alkalescent water quality effect, and the PH value can progressively descend to the faintly acid after the waste water long-time cycle in the cistern to lead to paint spraying in the sewage to react with the flocculating agent not enough, the utility model discloses in detect the PH value in the cistern through electrode probe, be the faintly acid back in the cistern, add the PH regulator in to the cistern, thereby adjust the PH value in the cistern to the alkalescence, make the flocculating agent fully react with the paint spraying in the sewage, improve the effect of paint water separation.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic view of a first cross-sectional paint water separator of the present invention;

FIG. 2 is a schematic view of a paint water separator according to an embodiment of the present invention;

FIG. 3 is a schematic diagram of a paint water separator according to a second section of the present invention;

fig. 4 is a schematic structural view of a paint-water separation device of a third section of the present invention.

Wherein, the corresponding relations between the reference numbers and the part names in fig. 1 to fig. 4 are as follows:

1. a first case; 2. a second case; 3. a reservoir; 4. an electrode probe; 5. an aeration main machine; 6. an aeration air pipe; 7. an oxygenation host machine; 8. an oxygen supply tube; 9. a PLC control circuit; 20. a display screen; 21. a slag outlet.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

The embodiment of the utility model provides a lacquer water separator, including first box 1 and second box 2, be equipped with cistern 3 in the first box 1, be equipped with electrode probe 4 in the cistern 3, electrode probe 4 is used for detecting the pH value in cistern 3, be equipped with holding case (not shown in the figure) in the second box 2, the holding incasement is equipped with the pH regulator, the output of holding case passes through pipeline and 3 intercommunications of cistern, wherein, electrode probe 4 detects when the pH value in cistern 3 is less than 7, the holding case provides the pH regulator to the cistern, with adjust the pH value in the cistern 3 to predetermineeing the pH scope.

When using, the in-process of paint spraying produces a large amount of paint spraying in the spray booth, and this paint spraying is pumped to the circulating water pond in, makes paint dissolve in the water in circulating water pond, forms and contains paint waste water, the utility model discloses a paint water separator is used for containing paint component and water separation in the paint waste water to realize sewage treatment, and the paint component who separates is solid-state material, with convenient processing or the recovery to paint component.

Specifically, the circulating water tank is communicated with the water storage tank 3, after paint is sprayed and dissolved in the water body of the circulating water tank, the water body in the circulating water tank is conveyed to the water storage tank 3, a flocculating agent is added into the water storage tank 3, so that paint components in paint-containing wastewater are separated from the water body and float on the surface of the water body of the water storage tank, and the paint-containing wastewater in the water storage tank 3 is treated to form a clean water body which can be recycled, so that the clean water body can be recycled, for example, the clean water body is conveyed to the circulating water tank again to supplement the water body in the circulating water tank. In an alternative embodiment, the flocculating agent may be selected to be a paint additive AB agent. The embodiment of the utility model provides an in, can select to be equipped with first flocculating agent in second box 2 and add pump and second flocculating agent, the lacquer waste water that contains in the circulating water pond lets in cistern 3 through the inlet tube, wherein, first flocculating agent adds the pump and sets up to paint flocculating agent A agent addition pump, second flocculating agent adds the pump and sets up to paint flocculating agent B agent addition pump, the discharge end and the inlet tube intercommunication of first flocculating agent addition pump and second flocculating agent addition pump, with let in paint flocculating agent A agent and paint flocculating agent B agent respectively in to the inlet tube, and the proportion of paint flocculating agent A agent and paint flocculating agent B agent can be adjusted, paint flocculating agent AB agent mixes with lacquer waste water promptly in the inlet tube, with the reaction efficiency of the paint component and the flocculating agent that improve the lacquer waste water in cistern 3.

The flocculant has higher activity in a weak alkaline environment, and the activity can be inhibited in a weak acidic condition. After long-term work, the paint-containing wastewater in the reservoir 3 is circulated and reacted for a long time, so that the pH value of the paint-containing wastewater is gradually reduced to weak acidity, the utilization rate of the flocculating agent is reduced, and the effect is not fully exerted. Therefore, in the embodiment of the present invention, the PH value of the reservoir 3 is controlled to keep the PH value in the reservoir 3 at weak alkaline, so as to improve the utilization rate of the flocculant and promote the reaction of the paint component in the paint-containing wastewater.

Specifically, as mentioned above, be equipped with electrode probe 4 in cistern 3 to detect the pH value of the water in cistern 3, and the pH value in cistern 3 is less than 7, when the water in cistern 3 is the faintly acid promptly, add the PH regulator in cistern 3 through the holding case, with the pH value in improving cistern 3, make the pH value in cistern 3 adjust to predetermineeing the pH scope, ensure that the flocculating agent carries out abundant reaction with the paint component in the lacquer waste water.

In an optional embodiment, the preset pH range is 7-9. Within this PH range, the water in the reservoir 3 is rendered weakly alkaline and the flocculant has an optimal activity within this PH range.

Referring to fig. 2, a display screen 20 is provided on the second housing 2, and the display screen 20 is connected to the electrode probe 4 to display the PH value of the water in the reservoir 3. An operator can obtain the PH value condition of the water in the reservoir 3 in real time through the display screen 20, and when the PH value of the water in the reservoir 3 is lower than 7 or is about to be lower than 7, the accommodating box is operated to provide a PH regulator for the reservoir 3 so as to adjust the PH value 3 in the reservoir 3.

In an alternative embodiment, the output end of the receiving box is connected to the reservoir via a pipeline, and a valve is disposed on the pipeline, the valve may be selected as a mechanical valve or a solenoid valve, and may be selected to control whether the receiving box provides the PH adjusting agent to the reservoir 3 by controlling the opening and closing of the valve, and further, may be selected to control the amount of the PH adjusting agent provided by the receiving box to the reservoir 3 by controlling the opening area or the opening time of the valve.

In the embodiment of the present invention, an automatic control device can be used to control whether the storage box is communicated with the reservoir 3. Specifically, in an embodiment, the paint-water separator further comprises a control device, wherein the electrode probe 4 is connected with the control device, the control device is connected with the control box, specifically, the control device is connected with a valve on a pipeline at the output end of the control box, when the electrode probe 4 detects that the PH value of the water body in the reservoir 3 is less than 7, the control device controls the valve to be opened so as to provide the PH regulator into the reservoir 3, and when the electrode probe 4 detects that the PH value of the water body in the reservoir 3 is greater than 9, the control device controls the valve to be closed. In an alternative embodiment, the control device may be selected to be a PLC controller.

According to the above technical scheme, in the embodiment of the utility model, in sewage treatment process, the lacquer waste water that contains in the cistern 3 is in the endless in-process all the time, specifically includes: and (3) introducing the paint-containing wastewater in the circulating water tank into the water storage tank 3, treating in the water storage tank 3 to discharge paint components in the paint-containing wastewater, introducing the treated water in the water storage tank 3 into the circulating water tank again to supplement the water in the circulating water tank, and re-dissolving paint spray by using the water to achieve the consumption of the water in the paint spray treatment process. However, this treatment process increases the efficiency of water use, but also introduces new problems: the retention time of the paint-containing wastewater in the reservoir 3 is short, the flocculant and the paint components in the paint-containing wastewater react unevenly, the contact time of the flocculant and the paint components is short, and a part of the paint components are discharged out of the reservoir 3 after the flocculant and the paint components do not react sufficiently, so that the removal efficiency of the paint components in the paint-containing wastewater is low, and the floating rate of paint slag is low. In general, to solve this problem, a large amount of flocculant is required, but this results in a large increase in the cost of wastewater treatment.

Therefore, in the embodiment of the present invention, as shown in fig. 3, an aeration main unit 5 is disposed in the second box 2, an aeration air pipe 6 is connected to an output end of the aeration main unit 5, and an air outlet end of the aeration air pipe 6 is disposed in the reservoir 3. In the sewage treatment process, the aeration main machine 5 operates, air or other water-insoluble gas is filled into the reservoir 3 through the aeration air pipe 6, after the gas output from the gas outlet end of the aeration air pipe 6 enters the reservoir 3, micro bubbles can be formed and float up to the water surface of the reservoir 3, in the process, the floating micro bubbles drive the water around the micro bubbles to flow, so that the contact and the reaction of a flocculating agent and paint components in paint-containing wastewater are promoted, the adhesion of substances and the flocculating agent generated after the reaction of the flocculating agent and the paint components in the paint-containing wastewater is avoided, and meanwhile, the floating micro bubbles enable the paint slag obtained by the reaction to form a unique pore structure, the floating rate of the paint slag is improved, and the treatment efficiency is improved.

In an alternative embodiment, as shown in fig. 4, the outlet end of the aeration pipe 6 is disposed at the bottom of the water reservoir 3. During operation, the aeration main machine 5 continuously operates, and the air outlet end of the aeration air pipe 6 continuously provides continuous micro bubbles to the bottom of the water reservoir 3, so that the state of the water body in the water reservoir 3 is changed, and the water body in the water reservoir 3 is in a flowing state.

The embodiment of the utility model provides an in, in whole processing procedure, the water in the cistern 3 is under the state of circulation, but after long-term work, because dissolve paint spraying and contain the reaction of paint component and flocculating agent in the lacquer waste water for a long time, the oxygen content of the water in the cistern 3 can progressively reduce for bacterium quantity is showing the increase in the water, leads to the water stench, finally leads to the unable circulation of water to be polluted. For this purpose, in an optional embodiment, an oxygen increasing main machine 7 is arranged in the second box body 2, an output end of the oxygen increasing main machine 7 is connected with an oxygen supply pipe 8, and an air outlet end of the oxygen supply pipe 8 is arranged in the water reservoir 3.

The embodiment of the utility model provides an in, through the operation of oxygenation host computer 7, provide oxygen to cistern 3 through oxygen supply pipe 8, in this process, oxygen through oxygen supply pipe 8 output forms continuous microbubble structure, and gradually come up in the water surface of cistern 3, wherein, the structure of this microbubble can improve the reaction efficiency of flocculating agent and lacquer component in the paint-containing waste water, improve sewage treatment efficiency, and simultaneously, partly oxygen dissolves in the water in cistern 3, with the oxygen content of improvement water, play and kill the bacterium, remove the effect of stink.

It should be noted that in an alternative embodiment, the power of the main aerator 7 may be adjusted, so as to adjust the supply rate of oxygen, and when the supply rate of oxygen is low, most of oxygen is dissolved in the water, thereby improving the utilization rate of oxygen.

In optional embodiment, the paint water separator of the embodiment of the utility model also comprises a PLC (programmable logic controller) (not shown in the figure), and when in operation, the opening and closing of the holding box, the operation of the aeration host and the operation of the oxygenation host are controlled by the PLC. As shown in fig. 1, be equipped with PLC control scheme 9 in the second box 2, the one end of PLC control scheme 9 is used for inserting the PLC controller, the other end of PLC control scheme 9 is used for respectively with the holding case, aeration host computer 5, oxygenation host computer 7 links to each other, in order to realize that the PLC controller is respectively to the holding case, aeration host computer 5, oxygenation host computer 7's control, wherein, electrode probe 4 links to each other with the PLC controller, in order to detect the PH value data transmission of the water in the cistern 3 for the PLC controller, the PLC controller is according to PH value information output control signal, opening or closing of control holding case. The control principle of the PLC controller is prior art, and therefore, will not be described herein.

With continued reference to fig. 1, in the embodiment of the present invention, the first box 1 is further provided with a slag hole 10, the slag hole 10 is connected to the water storage tank 3, and at the time of operation, paint slag floating on the water surface of the water storage tank 3 is discharged through the slag hole 10, and for this reason, the outlet of the slag hole 10 is provided with a collecting device to collect the discharged paint slag. The second box 2 can be selected to be of a structure with an opening at the upper end, so that the condition in the second box 2, including the water surface height condition of the water storage tank 3 and the paint slag suspension condition of the water surface in the water storage tank 3, can be observed in real time. Further, the second box 2 is preferably internally provided with a scraper which moves back and forth linearly above the water surface of the reservoir 3, one end of the scraper moving points to the slag outlet 10, and the scraper drives paint slag on the surface of the reservoir 3 to move towards the slag outlet 10 in the moving process, so that the paint slag enters the slag outlet 10 and is discharged, and then is collected by the collecting device. In alternative embodiments, the scraper bar may be selected to be moved by a belt or chain, namely, the left side and the right side of the second box body 2 are symmetrically provided with a transmission belt or a transmission chain, the two ends of the slag scraping plate are respectively connected with the transmission belt or the transmission chain at the two sides of the second box body 2, when paint slag is discharged, the two ends of the slag scraping plate are respectively connected with the lower side belts of the transmission belts or the lower side chains of the transmission chains at the two sides of the second box body 2, at this time, the bottom of the slag scraping plate is lower so as to drive paint slag floating on the water surface to move in the moving process, in the process of returning, two ends of the slag scraping plate are respectively connected with the upper side belts of the transmission belts or the upper side chains of the transmission chains on two sides of the second box body 2, the bottom of the scraper is higher, so that residual paint slag on the surface of the water body is prevented from moving in the odor returning process of the scraper.

In the description of the present invention, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the communication may be direct, indirect via an intermediate medium, or internal to both elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a lacquer water separator, its characterized in that, includes first box and second box, be equipped with the cistern in the first box, be equipped with the electrode probe in the cistern, the electrode probe is used for detecting PH value in the cistern, be equipped with the holding case in the second box, the holding incasement is equipped with the PH regulator, the output of holding case pass through the pipeline with the cistern is linked together, wherein the electrode probe detects when PH value in the cistern is less than 7, the holding case to the cistern provides the PH regulator, with will the PH value of cistern is adjusted to predetermineeing the PH scope.

2. The paint water separation device according to claim 1, wherein the predetermined PH range is 7 to 9.

3. The paint-water separator according to claim 1, wherein a display screen is provided on the second tank, the display screen being connected to the electrode probe to display the PH of the reservoir.

4. The paint water separation device according to any one of claims 1 to 3, wherein an aeration main machine is arranged in the second tank body, an aeration air pipe is connected to an output end of the aeration main machine, and an air outlet end of the aeration air pipe is arranged in the water storage tank.

5. The paint-water separator according to claim 4, wherein the air outlet end of the aeration air pipe is arranged at the bottom of the water reservoir.

6. The paint-water separation device according to claim 4, wherein an oxygen increasing main machine is arranged in the second box body, an oxygen supply pipe is connected to an output end of the oxygen increasing main machine, and an air outlet end of the oxygen supply pipe is arranged in the water storage tank.

7. The paint water separation device of claim 6 wherein the outlet end of the oxygen supply tube is disposed at the bottom of the reservoir.

8. The paint-water separation device according to claim 6, further comprising a PLC, wherein an input end of the PLC is connected with the electrode probe, an output end of the PLC is connected with the accommodating box, and an output end of the PLC is further connected with the aeration main machine and the oxygenation main machine respectively.

9. The paint-water separation device according to claim 8, wherein a PLC control circuit is arranged in the second box body, one end of the PLC control circuit is respectively connected with the accommodating box, the aeration main machine and the oxygenation main machine, and the other end of the PLC control circuit is connected with the PLC controller.

10. The paint-water separator according to claim 1 wherein the first tank has a slag outlet that is in communication with a water surface of the reservoir.