CN205055778U - Electroplate waste gas catalytic oxidation device - Google Patents

Abstract

The utility model discloses a catalytic oxidation device for electroplating waste gas, which comprises an acid-base washing tower and a catalytic oxidation treatment tower. The bottom of the acid-base washing tower is connected with the first water distribution polo, the first cleaning spray nozzle, the second water distribution polo, the second cleaning spray nozzle and honeycomb activated carbon from bottom to top in the acid-base washing tower. The catalytic oxidation treatment tower includes The tower body and the exhaust air duct installed on the top of the tower body are equipped with catalytic fillers and oxidation spray nozzles from bottom to top in the tower body, and a chemical dosing box is provided outside the tower body, and an oxidation spray nozzle is installed in the dosing box. The catalyst and the dosing box are connected with the oxidation spray nozzle. The utility model has a simple structure, can effectively improve waste gas treatment efficiency, and can effectively save treatment cost at the same time, is not easy to cause secondary pollution, has good use stability, low waste gas treatment cost, good applicability, and strong practicability.

Description

Electroplating waste gas catalytic oxidation device

technical field

The utility model belongs to the technical field of exhaust gas treatment devices, in particular to an electroplating exhaust gas catalytic oxidation device.

Background technique

Most of the existing electroplating waste gas discharge treatment only needs to add acid and lye spray to neutralize the pH in the waste gas and then discharge it. The pollution factors of the waste gas cannot be completely treated, especially the pollution factors that destroy ozone, and the pollution of the waste gas Processing is also less complete, less efficient, and more expensive, so applicability and utility are limited.

Contents of the invention

In order to solve the above technical problems, the utility model provides a catalytic oxidation device for electroplating waste gas with simple structure, good stability in use and high treatment efficiency.

The technical solution for realizing the purpose of this utility model is a catalytic oxidation device for electroplating waste gas, including an acid-base scrubber and a catalytic oxidation treatment tower, the acid-base scrubber is connected to the production line through an air duct, and the top of the acid-base scrubber The centrifugal fan is connected to the bottom of the catalytic oxidation treatment tower, and the acid-base washing tower is sequentially provided with a first water distribution ball, a first cleaning spray nozzle, a second water distribution ball, and a second cleaning spray nozzle. shower nozzle and honeycomb activated carbon, the catalytic oxidation treatment tower includes a tower body and an exhaust air duct arranged on the top of the tower body, catalytic packing and oxidation spray nozzles are arranged from bottom to top in the tower body, and A dosing box is provided outside the tower body, and an oxidation catalyst is arranged in the dosing box, and the dosing box communicates with the oxidation spray nozzle.

A buffer concave hole is provided on the inner wall of the dosing box, a buffer pressure plate is arranged in the buffer concave hole, a buffer pressure spring is provided between the buffer pressure plate and the buffer concave hole, and the oxidation catalyst Connect with the buffer plate.

The oxidation catalyst is one or more combinations of copper oxide, manganese oxide or iron oxide.

The catalytic filler is hydrogen peroxide.

The height of the exhaust duct is not less than 15m.

The utility model has positive effects: the utility model has a simple structure, can effectively improve the waste gas treatment efficiency, and can effectively save the treatment cost at the same time, is not easy to cause secondary pollution, has good stability in use, low waste gas treatment cost, and high applicability Well, it's practical.

Description of drawings

In order to make the content of the utility model easier to understand clearly, the utility model will be further described in detail according to specific embodiments below in conjunction with the accompanying drawings, wherein:

Fig. 1 is the structural representation of the utility model.

detailed description

(Example 1)

Fig. 1 shows a specific embodiment of the utility model, wherein Fig. 1 is a structural schematic diagram of the utility model.

See Fig. 1, a kind of electroplating waste gas catalytic oxidation device, comprise acid-base scrubber 1 and catalytic oxidation treatment tower 2, described acid-base scrubber 1 is connected with production line through air duct 3, the top of described acid-base scrubber 1 The centrifugal blower 4 communicates with the bottom of the catalytic oxidation treatment tower 2, and the acid-base washing tower 1 is sequentially provided with a first water distribution polo 5, a first cleaning spray nozzle 6, and a second water distribution polo from bottom to top. 7. The second cleaning spray nozzle 8 and honeycomb activated carbon 9, the catalytic oxidation treatment tower 2 includes a tower body 21 and an exhaust air duct 22 arranged at the top of the tower body 21, in the tower body 21 Catalyst packing 10 and oxidation spray nozzle 11 are arranged from bottom to top, and the outside of described tower body 21 is provided with dosing box 12, is provided with oxidation catalyst 13 in described dosing box 12, and described dosing box 12 It communicates with the oxidation spray nozzle 11.

A buffer concave hole 14 is provided on the inner wall of the dosing box 12, a buffer pressure plate 15 is arranged in the buffer concave hole 14, and a buffer pressure plate 15 is provided between the buffer pressure plate 15 and the buffer concave hole 14. A spring 16, the oxidation catalyst 13 is connected with the buffer pressure plate 16.

The oxidation catalyst is one or more combinations of copper oxide, manganese oxide or iron oxide.

The catalytic filler is hydrogen peroxide.

The height of the exhaust duct is not less than 15m.

The utility model has a simple structure, can effectively improve waste gas treatment efficiency, and can effectively save treatment cost at the same time, is not easy to cause secondary pollution, has good use stability, low waste gas treatment cost, good applicability, and strong practicability.

Apparently, the above-mentioned embodiments of the present utility model are only examples for clearly illustrating the present utility model, rather than limiting the implementation manner of the present utility model. For those of ordinary skill in the art, other changes or changes in different forms can be made on the basis of the above description. It is not necessary and impossible to exhaustively list all the implementation manners here. And these obvious changes or changes derived from the essential spirit of the present utility model still belong to the protection scope of the present utility model.

Claims (5)

1. An electroplating exhaust gas catalytic oxidation device, comprising an acid-base scrubber and a catalytic oxidation treatment tower, the acid-base scrubber is connected to the production line through an air duct, and the top of the acid-base scrubber is connected to the catalytic oxidation process through a centrifugal fan. The bottom of the oxidation treatment tower is connected, and it is characterized in that: the first water distribution ball, the first cleaning spray nozzle, the second water distribution ball, the second cleaning spray nozzle and Honeycomb activated carbon, the catalytic oxidation treatment tower includes a tower body and an exhaust air duct arranged on the top of the tower body, and catalytic packing and oxidation spray nozzles are arranged in the tower body from bottom to top, and in the tower body A dosing box is provided outside the body, and an oxidation catalyst is arranged in the dosing box, and the dosing box communicates with the oxidation spray nozzle. 2. The electroplating waste gas catalytic oxidation device according to claim 1, characterized in that: a buffer concave hole is provided on the inner wall of the dosing box, a buffer pressure plate is arranged in the buffer concave hole, and a buffer pressure plate is arranged in the buffer concave hole. A buffer pressure spring is arranged between the pressure plate and the buffer concave hole, and the oxidation catalyst is connected with the buffer pressure plate. 3. The electroplating exhaust gas catalytic oxidation device according to claim 2, characterized in that: the oxidation catalyst is one or more combinations of copper oxide, manganese oxide or iron oxide. 4. The electroplating exhaust gas catalytic oxidation device according to claim 3, characterized in that: the catalytic filler is hydrogen peroxide. 5. The electroplating exhaust gas catalytic oxidation device according to claim 4, characterized in that: the height of the exhaust air pipe is not less than 15m.