Tail gas treating fluid discharging device

Abstract

The utility model relates to a tail gas treating fluid discharging device which comprises a treating box body and a recycling box body which are connected with a treating reaction kettle, a water pump is arranged on the top surface of the treating box body, a water inlet pipe is arranged at the inlet end of the water pump and is in contact with treating fluid arranged in the treating box body, and a water discharging pipe is arranged at the outlet end of the water pump and is in contact with the recycling box body. The drainage pipe extends into the reaction kettle, a flow equalizing plate is arranged on the inner bottom surface of the treatment box body, the treatment liquid level in the treatment box body is higher than the flow equalizing plate, and the recovery box body is adjacent to the treatment box body. The tail gas recovery device is novel in design, the reaction kettle, the treatment box body and the recovery box body are designed, the design is reasonable, and the upper baffle plate and the upper folded edge plate are arranged in the recovery box body, so that the flowing distance of tail gas can be prolonged, the reaction time of the tail gas in the filler can be repeatedly prolonged, and the purification efficiency is improved.

Description

Technical Field

[0001] The utility model relates to a tail gas treatment liquid discharge device. Background Art

[0002] With the rapid development of the automobile industry and the continuous improvement of the economic level, the number of cars in my country is increasing year by year, and the automotive aftermarket is also in a stage of gradual and stable development. Because motor vehicle exhaust contains nitrogen oxides, if it is not discharged without treatment, it will cause serious harm to the environment. Therefore, it is very necessary to remove nitrogen oxides before exhaust emission.

[0003] In addition, a large amount of tail gas will also be discharged during the chemical reaction, which contains a large amount of sulfide, nitride and other toxic components. Some of the existing tail gas is directly discharged into the air, and some is discharged after simple treatment. In any case, the tail gas discharged into the air contains untreated harmful components, which will cause serious damage to the environment.

[0004] In the prior art, the recovery of tail gas treatment mainly adopts adsorption. However, common equipment has the problems of short residence time of tail gas in the tower, short contact time with alkali solution, insufficient mixing and incomplete reaction. In view of this, this invention is specially applied for. Utility Model Content

[0005] In order to solve the above-mentioned problems in the prior art, the utility model provides a tail gas treatment liquid discharge device, which can improve the above-mentioned deficiencies.

[0006] The utility model relates to a tail gas treatment liquid discharge device, comprising a treatment box body and a recovery box body connected to a treatment reactor, a water pump is arranged on the top surface of the treatment box body, a water inlet pipe is arranged on the inlet end of the water pump, the water inlet pipe contacts with the treatment liquid arranged in the treatment box body, a drain pipe is arranged on the outlet end of the water pump, the drain pipe extends into the reactor, a flow equalizing plate is arranged on the bottom surface of the treatment box body, the treatment liquid level in the treatment box body is higher than the flow equalizing plate, the recovery box body is arranged adjacent to the treatment box body, a supporting mesh plate is arranged above the bottom surface of the recovery box body, a plurality of upper baffles are arranged on the top surface of the box body, a plurality of lower baffles are arranged on the supporting mesh plate, the upper baffles and the lower baffles are arranged alternately, a spray head is arranged on the top surface of the treatment box body between adjacent upper baffles and between the upper baffles and the inner wall of the recovery box body, the spray head is connected to the treatment box body through a conveying pipe, an inlet pipe is arranged above the recovery box body, and the inlet pipe is connected to the exhaust pipe of the reactor.

[0007] Furthermore, fillers are arranged above the supporting mesh plate.

[0008] Furthermore, a confluence area is formed below the supporting mesh plate and the bottom surface of the recovery box, and an inclined confluence slope is arranged in the confluence area.

[0009] Furthermore, a sewage pipe is arranged at the end of the converging slope on the bottom surface of the recovery box.

[0010] Furthermore, a gas-liquid separation component is arranged on the outer wall of the recovery box body, and the gas-liquid separation component is connected with the inner cavity of the recovery box body through a pipeline, and the gas-liquid separation component is a packing type or a wire mesh type gas-liquid separation component.

[0011] Furthermore, a plurality of fins are provided on the surfaces of the upper baffle plate and the lower baffle plate.

[0012] The utility model has a novel design, and a reaction kettle, a processing box and a recovery box are designed. The design is reasonable, and an upper baffle and a lower baffle are arranged in the recovery box, which can extend the distance that the exhaust gas flows, and can repeatedly increase the reaction time of the exhaust gas in the packing, thereby improving the purification efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 : Schematic diagram of the structure of the utility model.

[0014] Diagram: 1 treatment reactor, 2 treatment box, 21 treatment liquid, 3 flow equalizing plate, 4 drainage pipe, 5 water pump, 6 water inlet pipe, 7 water pump, 8 delivery pipe, 9 spray head, 10 recovery box, 11 upper baffle, 12 support mesh plate, 13 filler, 14 lower baffle, 15 gas-liquid separation component, 16 confluence area, 17 sewage pipe. DETAILED DESCRIPTION

[0015] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0016] like Figure 1As shown, the utility model relates to a tail gas treatment liquid discharge device, comprising a treatment box 2 and a recovery box 3 connected to a treatment reactor 1, a water pump 5 is arranged on the top surface of the treatment box, a water inlet pipe 6 is arranged at the inlet end of the water pump, the water inlet pipe is in contact with the treatment liquid 21 arranged in the treatment box, the treatment liquid is an alkaline liquid, a drain pipe 4 is arranged at the outlet end of the water pump, a spray pipe is arranged at the end of the drain pipe, an air intake pipe is arranged on the other side of the reactor, the drain pipe extends into the reactor, a flow equalizing plate 3 is arranged on the bottom surface of the treatment box, the flow equalizing plate can improve the uniformity of the treatment liquid, the treatment liquid level in the treatment box is higher than the flow equalizing plate, the recovery box 10 It is arranged adjacent to the treatment box, and a supporting mesh plate 12 is arranged above the bottom surface of the recovery box. The supporting mesh plate is a ceramic mesh plate with mesh holes. The ceramic mesh plate is corrosion-resistant. A plurality of upper baffles 11 are arranged on the top surface of the box body, and a plurality of lower baffles 14 are arranged on the supporting mesh plate. The upper baffles and lower baffles are arranged alternately. A spray head 9 is arranged on the top surface of the treatment box body between adjacent upper baffles and between the upper baffles and the inner wall of the recovery box body. The spray head is connected to the treatment box body through a conveying pipe 8, and a pump 7 is arranged on the conveying pipe. An inlet pipe 101 is arranged above the recovery box body, and the inlet pipe is connected to the exhaust pipe 102 of the reactor.

[0017] As a technical improvement, a filler 13 is provided above the supporting mesh plate.

[0018] As a technical improvement, a confluence area 16 is formed below the support mesh plate and the bottom surface of the recovery box, and an inclined confluence slope 161 is provided in the confluence area.

[0019] As a technical improvement, a sewage pipe 17 is provided at the end of the converging slope on the bottom surface of the recovery box.

[0020] As a technical improvement, a gas-liquid separation component 15 is provided on the outer wall of the recovery box body. The gas-liquid separation component is connected with the inner cavity of the recovery box body through a pipeline. The gas-liquid separation component is a packing type or a wire mesh type gas-liquid separation component.

[0021] As a technical improvement, a plurality of fins (not shown) are provided on the surfaces of the upper baffle plate and the lower baffle plate.

[0022] The utility model has a novel design, and a reaction kettle, a processing box and a recovery box are designed with reasonable design. An upper baffle and a lower baffle are arranged in the recovery box, which can extend the distance that the exhaust gas flows, repeatedly increase the reaction time of the exhaust gas in the packing, and improve the purification efficiency.

Claims

1. A tail gas treatment liquid discharge device, comprising a treatment box and a recovery box connected to a treatment reactor, characterized in that: A water pump is arranged on the top surface of the treatment box body, and a water inlet pipe is arranged at the inlet end of the water pump, and the water inlet pipe contacts with the treatment liquid arranged in the treatment box body; a drain pipe is arranged at the outlet end of the water pump, and the drain pipe extends into the reactor; a flow equalizing plate is arranged on the bottom surface of the treatment box body, and the treatment liquid level in the treatment box body is higher than the flow equalizing plate; the recovery box body is arranged adjacent to the treatment box body, and a supporting mesh plate is arranged above the bottom surface of the recovery box body; a plurality of upper baffles are arranged on the top surface of the box body, and a plurality of lower baffles are arranged on the supporting mesh plate, and the upper baffles and the lower baffles are arranged alternately; a spray head is arranged on the top surface of the treatment box body between adjacent upper baffles and between the upper baffles and the inner wall of the recovery box body, and the spray head is connected to the treatment box body through a conveying pipe; an inlet pipe is arranged above the recovery box body, and the inlet pipe is connected to the exhaust pipe of the reactor.

2. The exhaust gas treatment liquid discharge device according to claim 1, characterized in that: A filler is arranged above the supporting mesh plate.

3. The exhaust gas treatment liquid discharge device according to claim 1, characterized in that: A confluence area is formed below the support mesh plate and the bottom surface of the recovery box, and an inclined confluence slope is arranged in the confluence area.

4. The exhaust gas treatment liquid discharge device according to claim 1, characterized in that: A sewage discharge pipe is arranged on the bottom surface of the recovery box at the end of the converging slope.

5. The exhaust gas treatment liquid discharge device according to claim 1, characterized in that: The outer wall of the recovery box body is provided with a gas-liquid separation component, the gas-liquid separation component is connected with the inner cavity of the recovery box body through a pipeline, and the gas-liquid separation component is a packing type or a wire mesh type gas-liquid separation component.

6. The exhaust gas treatment liquid discharge device according to claim 1, characterized in that: A plurality of fins are arranged on the surfaces of the upper baffle plate and the lower baffle plate.

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