Electroplating wastewater treatment device with self-cleaning function

Abstract

The utility model discloses an electroplating wastewater treatment device with a self-cleaning function. The electroplating wastewater treatment device comprises a water tank, and a backflushing pneumatic valve, a water production pneumatic valve, a sludge discharge pneumatic valve and an aeration pneumatic valve are arranged on one side of the inner surface of the water tank; and the fixing mechanism comprises an air cylinder fixedly installed on one side of the outer surface of the water pool, a positioning rod is fixedly connected to the surface of the other side of the water pool, and a mud storage groove is formed in the bottom of the inner surface of the water pool. The device has the beneficial effects that a self-cleaning function is realized by utilizing the siphon principle and shaking formed by the aeration device, membrane scaling is effectively prevented, and the function of adjusting the cleaning strength by adjusting the valve and controlling the air flow and the bubble frequency can be realized, so that the self-cleaning requirements of different treatment stages are met; through the arrangement of the fixing mechanism, the stability of the flat membrane module device can be obviously improved, and the flat membrane module device is prevented from shaking or displacing in the operation process, so that the MBR membrane can stably operate.

Description

TECHNICAL FIELD

[0001] The utility model relates to electroplating wastewater treatment field, concretely relates to a kind of electroplating wastewater treatment device with self-cleaning function. BACKGROUND

[0002] The electroplating wastewater treatment device with self-cleaning function plays a vital role in the electroplating industry. The electroplating wastewater contains harmful substances such as waste acid, waste alkali, heavy metal ions (such as chromium, nickel, copper, zinc, etc.), oil stains, suspended solids, and organic matter. If these substances are discharged directly into the environment without treatment, they will cause serious pollution and damage to water bodies, soil, and ecosystems. The electroplating wastewater treatment device with self-cleaning function can efficiently remove these harmful substances by using advanced membrane separation technology, electrochemical methods, multi-stage filtration, and chemical reactions, ensuring that the pollutant content in wastewater is minimized.

[0003] In the prior art, the operation mode of regularly replacing the filter element significantly increases the operating cost. At the same time, using chemical cleaning may cause secondary pollution, and also makes the entire treatment process more complicated. More importantly, neither of these two methods fundamentally solves the problem of filter element breakage and scaling, and also cannot provide effective self-cleaning function. SUMMARY

[0004] The utility model solves the technical problem in view of the present situation of prior art, provides an electroplating wastewater treatment device with self-cleaning function.

[0005] The utility model realizes the following technical scheme: the utility model provides an electroplating wastewater treatment device with self-cleaning function, a bearing mechanism, including water pool, the inner surface side of water pool is provided with backflush pneumatic valve, water production pneumatic valve, sludge discharge pneumatic valve and aeration pneumatic valve.

[0006] The fixing mechanism includes a pneumatic cylinder fixedly installed on one side of the outer surface of the water pool, and a positioning rod fixedly connected to the other side of the outer surface of the water pool.

[0007] By adopting the technical scheme, the backflushing pneumatic valve is used for controlling the reverse flow of the medium, realizing backflushing or reverse cleaning of the equipment, thereby maintaining normal operation of the equipment and prolonging the service life, one end of the water production pneumatic valve is provided with a vacuum suction pipe, the water production pneumatic valve is used for realizing precise control and adjusting the flow and pressure of the water flow, the sludge discharge pneumatic valve is used for effectively preventing medium leakage, one end of the aeration pneumatic valve is provided with an aeration pipe, the aeration pneumatic valve is used for adjusting the flow and pressure of the air, ensuring stable operation and efficient work of the aeration system, the valves are all provided with control valves with adjusting functions, the air flow size and bubble generation frequency of the air entering can be accurately controlled, the cylinder, the positioning rod and the connecting rod are all hinged with the sliding rod and are used for supporting the sliding rod.

[0008] Further, the inner surface of the water tank is provided with a sludge storage groove.

[0009] By adopting the technical scheme, the two sides of the sludge storage groove are provided as inclined surfaces, so that the sludge on the inclined pipe surface flows into the middle of the sludge storage groove, and the sludge is discharged through the sludge discharge pipe.

[0010] Further, the inner surface of the water tank is provided with a sludge storage groove.

[0011] By adopting the technical scheme, the sludge storage groove is filled with special fillers, such as plastic rings and ceramic rings, which are used for collecting suspended solids and precipitates in wastewater and pushing them to the bottom of the sludge storage groove.

[0012] Further, the inner surface of the water tank is provided with a sludge storage groove.

[0013] By adopting the technical scheme, the number of the support rods is multiple, which are used for supporting the flat sheet membrane module.

[0014] Further, the bearing mechanism further comprises a flat sheet membrane module arranged on the top of the surface of the support rod, and a flat sheet membrane is arranged on the inner surface of the flat sheet membrane module.

[0015] By adopting the technical scheme, a lifting ring is arranged above the flat sheet membrane module, which facilitates disassembly and maintenance of the flat sheet membrane, and the flat sheet membrane module is composed of a plurality of parallel flat sheet membrane units; each flat sheet membrane unit has two cavities, and elastic support sheets are additionally arranged on the two sides of the flat sheet membrane, which are made of elastic material and can effectively absorb and disperse the stress generated by water flow impact or bubble shaking, thereby greatly reducing the risk of damage to the flat sheet membrane and prolonging the service life of the flat sheet membrane.

[0016] Further, the outer surface of the pool is provided with a connecting rod, and one end of the air cylinder is hinged with a sliding rod.

[0017] By adopting the technical scheme, the connecting rod is fixedly connected to the fixed rod.

[0018] Further, the fixing mechanism further comprises a fixed rod slidably connected to the surface of the pool, and one end of the fixed rod is fixedly connected with a positioning plate.

[0019] By adopting the technical scheme, the fixed rod is used for supporting the positioning plate.

[0020] Compared with the prior art, the utility model has the following beneficial effects:

[0021] The utility model discloses a self-cleaning function is realized through the shaking formed by siphon principle and aeration device, effectively prevent membrane scale formation, and can adjust the valve, control the airflow size and bubble frequency to adjust the function of cleaning intensity, thereby adapt to the self-cleaning demand of different processing stages, through the setting of the fixing mechanism, can significantly improve the stability of flat plate membrane group ware, prevent it from shaking or displacement in the operation process, thereby ensure that MBR membrane piece can stably operate. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is the whole structure schematic diagram of the electroplating wastewater treatment device with self-cleaning function of the utility model;

[0023] Figure 2 It is another view drawing of the whole structure in the electroplating wastewater treatment device with self-cleaning function of the utility model;

[0024] Figure 3 It is the section view of the bearing mechanism in the electroplating wastewater treatment device with self-cleaning function of the utility model;

[0025] Figure 4 It is the internal structure diagram of the bearing mechanism in the electroplating wastewater treatment device with self-cleaning function of the utility model.

[0026] The sign explanation is as follows:

[0027] In the drawing: 100, bearing mechanism;101, pool;102, backflushing pneumatic valve;103, water production pneumatic valve;104, sludge discharge pneumatic valve;105, aeration pneumatic valve;106, sludge storage tank;107, sludge discharge pipe;108, inclined pipe;109, support rod;110, flat plate membrane group ware;111, flat plate membrane;200, fixing mechanism;201, air cylinder;202, positioning rod;203, connecting rod;204, sliding rod;205, fixed rod;206, positioning plate. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further described in detail in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model, and are not used to limit the utility model.

[0029] As shown in Figure 1 - Figure 3 The utility model discloses a kind of electroplating wastewater treatment devices with self-cleaning function in the embodiment, including bearing mechanism 100, including pool 101, the inner surface of pool 101 side is provided with backflush pneumatic valve 102, water production pneumatic valve 103, sludge discharge pneumatic valve 104 and aeration pneumatic valve 105;

[0030] Fixed mechanism 200, including fixedly installed in the outer surface of pool 101 one side cylinder 201, the outer surface of another side of pool 101 is fixedly connected with positioning rod 202, the inner surface bottom of pool 101 is provided with sludge storage groove 106, sludge storage groove 106 is fixedly installed with sludge discharge pipe 107, the inner surface bottom of pool 101 is fixedly installed with inclined pipe 108, and inclined pipe 108 is provided with multiple;The both ends of the inner surface of pool 101 are fixedly installed with support rod 109, and the material of support rod 109 is stainless steel;Bearing mechanism 100 further includes flat membrane group device 110 being set to the top of the surface of support rod 109, and flat membrane group device 110 inner surface is adaptively installed with flat membrane 111;One end of aeration pneumatic valve 105 is provided with aeration pipe, and aeration pipe is in operation into air into cavity, forms continuously rising bubble, these bubbles will produce soft shaking effect to flat membrane 111 in rising process, water production pneumatic valve 103 is used for vacuum suction pipe to produce negative pressure, and uses siphon effect to guide electroplating wastewater to the surface of flat membrane 111, sludge discharge pneumatic valve 104 is used for controlling sludge discharge pipe 107, and backflush pneumatic valve 102 is used for controlling wastewater repeatedly flowing to make sludge in wastewater adsorbed to the surface of inclined pipe 108.

[0031] As shown in Figure 2 - Figure 4 The outer surface of pool 101 side is provided with connecting rod 203, and one end of cylinder 201 is hinged with sliding rod 204, and fixed mechanism 200 further includes fixed rod 205 being slidably connected to the surface of pool 101, and one end of fixed rod 205 is fixedly connected with positioning plate 206, and cylinder 201 is used to drive sliding rod 204, and by the cooperation of positioning rod 202 and sliding rod 204, the one end of sliding rod 204 drives connecting rod 203, sliding rod 204 and fixed rod 205 to push to the inside.

[0032] The specific implementation process of the embodiment is as follows: when the flat membrane group 110 is hoisted to the surface of the support rod 109, the air cylinder 201 is started, the sliding rod 204 is pushed, the sliding rod 204 is driven by one end of the positioning rod 202 and the sliding rod 204, the connecting rod 203, the sliding rod 204 and the fixed rod 205 are pushed inward, the fixed rod 205 completes the fixing of the flat membrane group 110, the water production pneumatic valve 103 is started, the vacuum suction pipe generates negative pressure, the electroplating wastewater is guided to the surface of the flat membrane 111 by using the siphon effect, the wastewater is filtered on the membrane surface, thereby realizing the effective purification of the wastewater, the aeration pneumatic valve 105 is opened, the aeration pipe is connected with the lower cavity of each flat membrane 111 unit, air is introduced into the cavity during the operation of the aeration pipe, the continuous rising bubbles are formed, and the bubbles will produce a soft shaking effect on the flat membrane 111 in the rising process, thereby shaking off the sludge attached to the membrane surface.

[0033] The above description of the disclosed embodiments enables a person skilled in the art to implement or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An electroplating wastewater treatment device having a self-cleaning function, characterized by: Comprising, The bearing mechanism (100) comprises a water tank (101), and the inner surface of the water tank (101) is provided with a backflushing pneumatic valve (102), a water production pneumatic valve (103), a sludge discharge pneumatic valve (104) and an aeration pneumatic valve (105); The fixing mechanism (200) comprises a pneumatic cylinder (201) fixedly installed on one side of the outer surface of the water tank (101), and the other side of the outer surface of the water tank (101) is fixedly connected with a positioning rod (202).

2. The electroplating wastewater treatment device with self-cleaning function according to claim 1, characterized in that: The inner surface of the water tank (101) is provided with a sludge storage groove (106) at the bottom, and the surface of the sludge storage groove (106) is fixedly installed with a sludge discharge pipe (107).

3. The electroplating wastewater treatment device with self-cleaning function according to claim 1, characterized in that: The inner surface of the water tank (101) is fixedly installed with an inclined pipe (108) at the bottom, and the inclined pipe (108) is provided with a plurality of inclined pipes.

4. The electroplating wastewater treatment device with self-cleaning function according to claim 1, characterized in that: The inner surface of the water tank (101) is fixedly installed with a support rod (109) at both ends, and the material of the support rod (109) is stainless steel.

5. The electroplating wastewater treatment device with self-cleaning function according to claim 4, characterized in that: The bearing mechanism (100) further comprises a flat membrane group device (110) arranged on the top surface of the support rod (109), and the inner surface of the flat membrane group device (110) is adaptively installed with a flat membrane (111).

6. The electroplating wastewater treatment device with self-cleaning function according to claim 1, characterized in that: One side of the outer surface of the water tank (101) is provided with a connecting rod (203), and one end of the pneumatic cylinder (201) is hingedly connected with a sliding rod (204).

7. The electroplating wastewater treatment device with self-cleaning function according to claim 6, characterized in that: The fixing mechanism (200) further comprises a fixing rod (205) slidingly connected to the surface of the water tank (101), and one end of the fixing rod (205) is fixedly connected with a positioning plate (206).

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