Waste gas purification device for electroplating tank

Abstract

The utility model provides an electroplating tank waste gas purification device which comprises a box body, a purification bin and a storage bin are arranged in the top end and the bottom end of the box body respectively, a microporous net is transversely and fixedly arranged at the top of the inner side of the purification bin, a second pipeline is fixedly installed above the microporous net, and a first pipeline is fixedly installed above the second pipeline. Spraying heads are fixedly arranged at the bottom of one end of the second pipeline at equal intervals. The impeller is driven by the motor to rotate, waste gas can be sucked into the purification bin, the waste gas is evenly divided through the microporous net, meanwhile, the falling speed of water mist is reduced under the action of air pressure generated when the impeller rotates, the waste gas makes full contact with the water mist, the waste gas can be fully absorbed and purified conveniently, and the waste gas purification efficiency can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electroplating waste gas purification, in particular to an electroplating tank waste gas purification device. Background Art

[0002] Electroplating is a process that uses the principle of electrolysis to plate a layer of other metals or alloys on certain metal surfaces. A large amount of waste gas will be generated during the electroplating process in the electroplating tank. Direct discharge can easily cause environmental pollution, so the waste gas from electrolysis needs to be purified.

[0003] The Chinese utility model patent with the publication number of CN217795377U proposes a waste gas purification device on an electroplating production line, including a purification tower, the outer wall of the purification tower is fixedly connected to a support plate, the top of the support plate is fixedly connected to a water pump, the water inlet of the water pump is fixedly connected to a water inlet pipe, the water outlet of the water pump is fixedly connected to a water outlet pipe, and one end of the water outlet pipe is fixedly connected to a first water storage pipe. When the nozzle is spraying water, the motor is operated to rotate the scattering rod, and then the scattering rod rotates faster to scatter the water droplets, so that the water becomes finer after being sprayed, thereby greatly accelerating the speed of complete contact between the waste gas and the purified water, thereby effectively improving the purification effect of the device on the electroplating waste gas, thereby improving the work efficiency; in actual use, the scattering rod generates centrifugal force when rotating, so that the water moves to the inner wall of the purification tower under the action of centrifugal force and stays, shortening the contact time between the waste gas and the alkaline solution, and reducing the waste gas purification efficiency.

[0004] To this end, the utility model provides an electroplating tank waste gas purification device. Utility Model Content

[0005] In view of the shortcomings of the prior art, the utility model aims to provide an electroplating pool waste gas purification device to solve the problems raised in the above-mentioned background technology. The utility model drives the impeller to rotate by a motor, so as to draw the waste gas into the interior of the purification chamber, and evenly divide the waste gas through the microporous mesh. At the same time, the air pressure of the rotating impeller slows down the falling speed of the water mist, so that the waste gas and the water mist are fully in contact, which is convenient for fully absorbing and purifying the waste gas, and can improve the waste gas purification efficiency.

[0006] In order to achieve the above-mentioned purpose, the utility model is implemented through the following technical scheme: a plating pool waste gas purification device, including a box body, wherein the top and bottom ends of the box body are respectively provided with a purification bin and a storage bin, a microporous mesh is laterally fixedly provided on the top of the inner side of the purification bin, a second pipe is fixedly installed above the microporous mesh, a spray head is fixedly installed at the bottom of one end of the second pipe at an equal distance, the spray head is arranged above the microporous mesh, a motor is fixedly installed on the top wall of the inner side of the storage bin, an impeller is fixedly installed on the output shaft of the motor, the impeller is arranged at the bottom of the microporous mesh, and an air inlet is provided on the inner wall of the box below one side of the impeller.

[0007] Furthermore, the impeller is arranged inside the purification chamber, a sealing rubber ring is arranged between the output shaft of the motor and the box body, and the output shaft of the motor rotates inside the sealing rubber ring.

[0008] Furthermore, an exhaust port is provided on one side of the box body corresponding to the top of the purification chamber, and the exhaust port is provided above the second pipeline.

[0009] Furthermore, a first baffle is laterally fixedly disposed on the inner wall of the purification chamber corresponding to the lower side of one end of the exhaust port, and a second baffle is fixedly disposed on the top wall of the purification chamber corresponding to the upper side of the first baffle.

[0010] Furthermore, the second baffle is in an arc shape, and a gap is provided between the bottom end of the second baffle and the first baffle.

[0011] Furthermore, a transverse plate is fixedly provided on the outer wall of the box body, a water pump is fixedly provided on the top of the transverse plate, and a drainage port of the water pump is fixedly connected to the second pipe.

[0012] Furthermore, a first pipe is fixedly provided at the water inlet of the water pump, and one end of the first pipe is arranged below the corresponding microporous mesh inside the purification chamber.

[0013] Furthermore, a liquid inlet is fixedly provided at one end of the outer side of the first pipeline, and a one-way valve is fixedly installed at one end of the outer side of the first pipeline.

[0014] The beneficial effects of the utility model are as follows: the utility model is a waste gas purification device for an electroplating tank, which drives the impeller to rotate through a motor, so as to draw the waste gas into the interior of a purification chamber, and evenly divide the waste gas through a microporous mesh, and at the same time, the air pressure of the rotating impeller slows down the falling speed of the water mist, so that the waste gas and the water mist are fully in contact, which is convenient for fully absorbing and purifying the waste gas, and can improve the waste gas purification efficiency; by arranging the first baffle and the second baffle, the water mist in the waste gas can be blocked and gathered and liquefied, so as to facilitate the collection of water. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a structural diagram of an electroplating tank waste gas purification device of the utility model;

[0016] Figure 2 This is a front cross-sectional view of an electroplating tank waste gas purification device of the utility model;

[0017] Figure 3 This is a cross-sectional view of an electroplating tank waste gas purification device of the utility model;

[0018] In the figure: 1. box body; 2. air inlet; 3. exhaust port; 4. horizontal plate; 5. water pump; 6. liquid inlet; 7. first pipeline; 8. second pipeline; 9. spray head; 10. first baffle; 11. second baffle; 12. motor; 13. impeller; 14. microporous mesh. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0020] See also Figures 1 to 3 The utility model provides a technical solution: a waste gas purification device for an electroplating tank, comprising a box body 1, wherein a purification chamber and a storage chamber are respectively arranged inside the top and bottom ends of the box body 1, a microporous mesh 14 is transversely fixedly arranged on the top of the inner side of the purification chamber, a second pipe 8 is fixedly installed above the microporous mesh 14, a spray head 9 is fixedly arranged at an equal distance at the bottom of one end of the second pipe 8, and the spray head 9 is arranged above the microporous mesh 14, a motor 12 is fixedly installed on the top wall of the inner side of the storage chamber, an impeller 13 is fixedly installed on the output shaft of the motor 12, and the impeller 13 is arranged on the microporous mesh 1 4, an air inlet 2 is provided on the inner wall of the box body 1 corresponding to the lower side of the impeller 13, the impeller 13 is arranged inside the purification chamber, a sealing rubber ring is arranged between the output shaft of the motor 12 and the box body 1, the output shaft of the motor 12 rotates inside the sealing rubber ring, the motor 12 drives the impeller 13 to rotate, the impeller 13 discharges the air below the microporous mesh 14 upward, forming a negative pressure, so that the electroplating waste gas enters the interior of the purification chamber through the air inlet 2, and is divided under the action of the microporous mesh 14, and the air pressure generated at the same time slows down the descent of the water mist, increases the contact time between the water mist and the waste gas, and improves the waste gas purification efficiency.

[0021] In this embodiment, an exhaust port 3 is provided on one side of the box body 1 corresponding to the top of the purification bin, and the exhaust port 3 is provided above the second pipe 8. A first baffle 10 is fixedly provided laterally on the inner wall of the purification bin corresponding to the bottom of one end of the exhaust port 3, and a second baffle 11 is fixedly provided on the top wall of the purification bin corresponding to the top of the first baffle 10. The shape of the second baffle 11 is arc-shaped, and a gap is provided between the bottom end of the second baffle 11 and the first baffle 10. The purified gas can be discharged through the exhaust port 3, and the first baffle 10 and the second baffle 11 can block the water mist and gather and liquefy it, so as to facilitate the recovery of the water mist.

[0022] In this embodiment, a horizontal plate 4 is fixedly provided on the outer wall of the box body 1, a water pump 5 is fixedly provided on the top of the horizontal plate 4, the drain outlet of the water pump 5 is fixedly connected to the second pipe 8, the water inlet of the water pump 5 is fixedly provided with a first pipe 7, one end of the first pipe 7 is arranged below the corresponding microporous mesh 14 inside the purification bin, a liquid inlet 6 is fixedly provided at one end of the outer side of the first pipe 7, a one-way valve is fixedly installed at one end of the outer side of the first pipe 7, the liquid inside the purification bin can be extracted through the water pump 5 and the first pipe 7, and sprayed out through the second pipe 8 and the spray head 9, so as to make full use of the alkaline solution and add new alkaline solution conveniently through the liquid inlet 6.

[0023] When the electroplating tank waste gas purification device is used, the liquid inlet 6 is connected to the alkaline solution supply device, and the water pump 5 is started. The water pump 5 draws the alkaline solution through the liquid inlet 6, passes through the first pipe 7, enters the interior of the second pipe 8, and sprays it out through the spray head 9. The motor 12 is started, and the motor 12 drives the impeller 13 to rotate, forming a negative pressure under the microporous mesh 14, and discharges the air upward. The waste gas generated by the electroplating is introduced into the interior of the device through the air inlet 2, and is discharged upward under the drive of the impeller 13. The waste gas is evenly divided by the microporous mesh 14, and the impeller 13 The rotating air pressure slows down the falling speed of the water mist, so that the exhaust gas is fully in contact with the water mist, which is convenient for the exhaust gas to be fully absorbed and purified by the alkaline solution, and can improve the exhaust gas purification efficiency; the exhaust gas containing water mist is in contact with the first baffle 10 and the second baffle 11. By setting the first baffle 10 and the second baffle 11, the water mist in the exhaust gas can be blocked and gathered and liquefied, which is convenient for collecting the alkaline solution; the liquefied alkaline solution flows downward and gathers at the bottom of the purification bin, and the alkaline solution at the bottom of the purification bin can be extracted and continued to be used through the water pump 5 and the first pipe 7.

[0024] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. An electroplating tank waste gas purification device, comprising a housing (1), characterized in that: A purification chamber and a storage chamber are respectively arranged inside the top and bottom ends of the box body (1); a microporous mesh (14) is transversely fixedly arranged on the top of the inner side of the purification chamber; a second pipe (8) is fixedly installed above the microporous mesh (14); a spray head (9) is fixedly installed at an equal distance at the bottom of one end of the second pipe (8); the spray head (9) is arranged above the microporous mesh (14); a motor (12) is fixedly installed on the top wall of the inner side of the storage chamber; an impeller (13) is fixedly installed on the output shaft of the motor (12); the impeller (13) is arranged at the bottom of the microporous mesh (14); and an air inlet (2) is arranged on the inner wall of the box body (1) below one side of the impeller (13) corresponding to the inner wall of the box body (1).

2. The electroplating tank waste gas purification device according to claim 1, characterized in that: The impeller (13) is arranged inside the purification cabin, a sealing rubber ring is arranged between the output shaft of the motor (12) and the box body (1), and the output shaft of the motor (12) rotates inside the sealing rubber ring.

3. The electroplating tank exhaust gas purification device according to claim 1 is characterized in that: An exhaust port (3) is provided on the top of the purification chamber corresponding to one side of the box body (1), and the exhaust port (3) is provided above the second pipe (8).

4. The electroplating tank exhaust gas purification device according to claim 3 is characterized in that: A first baffle (10) is transversely fixedly arranged on the inner wall of the purification chamber corresponding to the lower side of one end of the exhaust port (3), and a second baffle (11) is fixedly arranged on the top wall of the purification chamber corresponding to the upper side of the first baffle (10).

5. The electroplating tank waste gas purification device according to claim 4, characterized in that: The second baffle plate (11) is in an arc shape, and a gap is provided between the bottom end of the second baffle plate (11) and the first baffle plate (10).

6. The electroplating tank waste gas purification device according to claim 1, characterized in that: A transverse plate (4) is fixedly arranged on the outer wall of the box body (1), a water pump (5) is fixedly arranged on the top of the transverse plate (4), and a drainage outlet of the water pump (5) is fixedly connected to a second pipe (8).

7. The electroplating tank waste gas purification device according to claim 6, characterized in that: A first pipe (7) is fixedly provided at the water inlet of the water pump (5), and one end of the first pipe (7) is arranged below the corresponding microporous mesh (14) inside the purification chamber.

8. The electroplating tank waste gas purification device according to claim 7, characterized in that: A liquid inlet (6) is fixedly provided at one end of the outer side of the first pipeline (7), and a one-way valve is fixedly installed at one end of the outer side of the first pipeline (7).

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