CN216039928U

CN216039928U - Ultrafiltrate recovery system

Info

Publication number: CN216039928U
Application number: CN202122572240.7U
Authority: CN
Inventors: 姜本冲
Original assignee: Qingdao Hairui Coating Equipment Co ltd
Current assignee: Qingdao Hairui Coating Equipment Co ltd
Priority date: 2021-10-25
Filing date: 2021-10-25
Publication date: 2022-03-15
Anticipated expiration: 2031-10-25

Abstract

The utility model relates to an ultrafiltrate recovery system, which comprises an electrophoresis cell and a plurality of cleaning pools which are arranged side by side, wherein the electrophoresis cell is communicated to an ultrafiltration machine through an ultrafiltration pump, an electrophoresis paint outlet of the ultrafiltration machine is communicated back to the electrophoresis cell, and an ultrafiltrate outlet of the ultrafiltration machine is communicated to the last cleaning pool; the top between the electrophoresis cell and the washing pond and the top between the washing pond communicate in order, is closer the electrophoresis cell the height that washs the pond is lower. Utility model's an usage is, the ultrafiltration machine filters the electrophoresis liquid in to the electrophoresis cell, the concentrated electrophoresis lacquer after will filtering flows back to the electrophoresis cell again in, and the pure water that filters out then flows back to the washing pond of last one-level, make the water level that washs the pond rise, because the electrophoresis lacquer floats to the pure water top all the time, consequently, the electrophoresis lacquer can flow back to the completion in the electrophoresis cell through the washing pond of preceding one-level one by one and retrieve, need not to filter all pure water, the recovery efficiency is greatly improved, and greatly reduced the energy consumption.

Description

Ultrafiltrate recovery system

Technical Field

The utility model relates to the field of coating equipment, in particular to an ultrafiltrate recovery system.

Background

In the coating field, when a metal workpiece is electroplated, the workpiece needs to be completely immersed in an electrophoretic bath, and electrophoretic paint in the electrophoretic bath is adsorbed to the workpiece to finish coating. And hoisting the workpiece to a multi-channel cleaning pool for cleaning after the electrophoretic coating is finished.

Because the work piece surface can be stained with a large amount of electrophoresis liquid, wash a large amount of electrophoresis lacquer after accomplishing and can adulterate in wasing the pond, not only can influence the washing of follow-up work piece, can cause the waste of electrophoresis lacquer moreover. The current recovery method adopts the ultrafilter to filter more, carries the electrophoresis lacquer after will filtering back to among the electrophoresis pool, but this kind of mode efficiency is slower in the in-service use process, and the energy consumption is great moreover, very big influence production efficiency.

Therefore, a new ultrafiltrate recovery system is needed that solves the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems of slow efficiency and high energy consumption of the conventional ultrafiltrate recovery system for recovering electrophoretic paint.

According to one aspect of the utility model, an ultrafiltrate recovery system is provided, which comprises an electrophoresis cell and a plurality of cleaning pools which are arranged side by side, wherein the electrophoresis cell is communicated to an ultrafiltration machine through an ultrafiltration pump, an electrophoresis paint outlet of the ultrafiltration machine is communicated back to the electrophoresis cell, and an ultrafiltrate outlet of the ultrafiltration machine is communicated to the last cleaning pool; the top between the electrophoresis cell and the washing pond and the top between the washing pond communicate in order, is closer the electrophoresis cell the height that washs the pond is lower.

Through this scheme, the ultrafiltration machine filters the electrophoresis liquid in to the electrophoresis cell, the concentrated electrophoresis lacquer after will filtering flows back to the electrophoresis cell again, and the pure water that filters out then flows back to the washing pond of last one-level, make the water level that washs the pond rise, because the electrophoresis lacquer floats to the pure water top all the time, consequently, the electrophoresis lacquer can flow back to accomplishing the recovery in the electrophoresis cell one by one through the washing pond of preceding one-level, need not to filter all pure water, the recovery efficiency is greatly improved, and greatly reduced the energy consumption.

Preferably, the ultrafiltrating machine is communicated to the last cleaning pool through an ultrafiltrate transfer tank, and an ultrafiltrate transfer pump is arranged on the ultrafiltrate transfer tank.

Through this scheme, ultrafiltrate transfer tank can keep in the ultrafilter and cross the pure water that filters out, avoids whole injection to cause in wasing the pond to wash the pond and spills over.

Preferably, an ultrafiltrate outlet of the ultrafilter is communicated with a straight-through pipe, and the straight-through pipe is communicated to the last cleaning pool; and a valve is arranged at the front end of the ultrafiltrate transfer tank.

Through this scheme, if wash the pond in the water level reach the take the altitude and need directly pour into the pure water into, then directly close the valve to leading to the transfer tank, need not to start ultrafiltrate transfer pump, directly pour into the pure water into by the ultrafilter in to wasing the pond, further reduce the energy consumption.

Preferably, the electrophoresis cell and wash between the pond and wash through the connecting pipe intercommunication between the pond, be provided with the filter screen in the connecting pipe.

Through this scheme, avoid wasing the impurity in the pond and flow back to the electrophoresis cell step by step through the connecting pipe.

Preferably, one end of the connecting pipe facing the previous cleaning pool or the electrophoretic pool is connected with a floating hose, and the end of the floating hose is connected with a floating ball.

Through this scheme, the floater can drive and float the hose and float to the liquid level of washing the pond all the time, makes the direct flow of electrophoresis lacquer in the preceding one-level washing pond to the liquid level on, helps reducing the impact of liquid to the liquid level, guarantees that the calmness of liquid level makes the electrophoresis lacquer flow back smoothly.

The system has the technical effects that the system is simple in structure and convenient to use, the recovery efficiency of the electrophoretic paint can be greatly improved, and the energy consumption can be greatly reduced.

Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description, serve to explain the principles of the utility model.

Fig. 1 is a schematic structural diagram of an ultrafiltrate recovery system according to a first embodiment of the present invention.

FIG. 2 is a schematic diagram of the location of the electrophoresis cell and the cleaning tank in the ultrafiltrate recovery system of FIG. 1.

Fig. 3 is a schematic structural diagram of a connection pipe in an ultrafiltrate recovery system in accordance with a second embodiment of the present invention.

Wherein like parts are designated by like reference numerals throughout the several views; the figures are not drawn to scale.

Detailed Description

Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.

The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the utility model, its application, or uses.

Techniques and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be considered a part of the specification where appropriate.

In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

Example one

As shown in fig. 1 and fig. 2, the ultrafiltrate recovery system in the present embodiment comprises an electrophoretic pool 100 and a plurality of cleaning pools 200 arranged side by side, wherein the electrophoretic pool 100 is connected to an ultrafiltration machine 110 through an ultrafiltration pump 120, an electrophoretic paint outlet 111 of the ultrafiltration machine 110 is connected back to the electrophoretic pool 100, and an ultrafiltrate outlet 112 of the ultrafiltration machine 110 is connected to the last cleaning pool 200; the top between the electrophoretic pool 100 and the cleaning pool 200 and the top between the cleaning pools 200 are sequentially communicated, and the height of the cleaning pool 200 is lower as it is closer to the electrophoretic pool 100.

Through this scheme of this embodiment, ultrafiltration machine 110 filters the electrophoresis liquid in to electrophoresis cell 100, the concentrated electrophoresis lacquer 001 after will filtering flows back to the electrophoresis cell 100 again, and the pure water 002 that filters out then flows back to last one-level washing pond 200, make the water level that washs pond 200 rise, because electrophoresis lacquer 001 floats to pure water 002 top all the time, consequently, electrophoresis lacquer 001 can flow back to completion in the electrophoresis cell 100 one by one through the washing pond 200 of preceding one-level and retrieve, need not to filter all pure water 002, the recovery efficiency is greatly improved, and greatly reduced the energy consumption.

In this embodiment or other embodiments, the ultrafiltrate transfer tank 210 communicates with the last cleaning pool 200, and an ultrafiltrate transfer pump 220 is disposed on the ultrafiltrate transfer tank 210. The ultrafiltrate transfer tank 210 can temporarily store pure water filtered by the ultrafiltrate 110, prevent the pure water from overflowing the cleaning tank 200 due to the pure water being completely injected into the cleaning tank 200, and then deliver the pure water to the cleaning tank 200 by the ultrafiltrate transfer pump 220 as required.

In this embodiment or other embodiments, a straight-through pipe 240 is communicated with the ultrafiltrate outlet 112 of the ultrafiltrater 110, and the straight-through pipe 240 is communicated with the last cleaning pool 200; the front end of the ultrafiltrate transfer tank 210 is provided with a valve 230. If the water level in the cleaning tank 200 reaches a certain height and pure water 002 needs to be directly injected, a valve leading to the ultrafiltrate transfer tank 210 is directly closed, the ultrafiltrate transfer pump 220 does not need to be started, and the pure water 002 is directly injected into the cleaning tank 200 by the ultrafilter 110, so that the energy consumption is further reduced, and because the ultrafiltrate needs to be continuously injected into the cleaning tank 200 in the normal use process, the frequency of starting the ultrafiltrate transfer pump 220 is not high, and the energy consumption is reduced by about 90%.

The technical effect of this embodiment lies in, this system simple structure, and convenient to use not only can improve the recovery efficiency of electrophoresis lacquer greatly, moreover can greatly reduced energy consumption.

Example two

As shown in fig. 3, compared with the technical solutions in the above embodiments, the ultrafiltrate recovery system in the present embodiment further includes a connection pipe 300 for connecting the electrophoretic pool 100 and the cleaning pool 200, wherein a filter screen 310 is disposed in the connection pipe 300. It is prevented that the impurities, especially floating impurities, in the cleaning tank 200 are returned to the electrophoresis tank 100 step by step through the connection pipe 300. And the connection of the connection pipe 300 can prevent the liquid of the previous-stage washing tank 200 from overflowing through the periphery.

In this embodiment or other embodiments, a floating hose 320 is connected to an end of the connection pipe 300 facing the previous cleaning tank 200 or the electrophoresis tank 100, and a floating ball 321 is connected to an end of the floating hose 320. The floater 321 can drive the floating hose 320 to float to the liquid level of the cleaning pool 200 all the time, so that the electrophoretic paint 001 in the previous cleaning pool 200 directly flows to the liquid level, the impact of the liquid on the liquid level is reduced, and the calmness of the liquid level is ensured to ensure that the electrophoretic paint 001 can smoothly flow back.

Although some specific embodiments of the present invention have been described in detail by way of illustration, it should be understood by those skilled in the art that the above illustration is only for the purpose of illustration and is not intended to limit the scope of the utility model. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the utility model. The scope of the utility model is defined by the appended claims.

Claims

1. An ultrafiltrate recovery system comprises an electrophoresis cell and a plurality of cleaning pools which are arranged side by side, and is characterized in that the electrophoresis cell is communicated to an ultrafiltration machine through an ultrafiltration pump, an electrophoretic paint outlet of the ultrafiltration machine is communicated back to the electrophoresis cell, and an ultrafiltrate outlet of the ultrafiltration machine is communicated to the last cleaning pool; the top between the electrophoresis cell and the washing pond and the top between the washing pond communicate in order, is closer the electrophoresis cell the height that washs the pond is lower.

2. The ultrafiltrate recovery system according to claim 1, wherein the ultrafiltrate is connected to the last of the washing tanks by an ultrafiltrate transfer tank, on which an ultrafiltrate transfer pump is arranged.

3. The ultrafiltrate recovery system according to claim 2, wherein a ultrafiltrate outlet of the ultrafiltrate is communicated with a straight-through pipe which is communicated with the last cleaning pool; and a valve is arranged at the front end of the ultrafiltrate transfer tank.

4. The ultrafiltrate recovery system according to claim 3, wherein the electrophoresis cell is connected to the cleaning pool and the cleaning pool by connecting tubes, and a filter screen is disposed in the connecting tubes.

5. The ultrafiltrate recovery system according to claim 4, wherein a floating hose is connected to the end of the connecting tube facing the previous washing or electrophoresis tank, and a floating ball is connected to the end of the floating hose.