CN-224202267-U - Preheating device for waste gas treatment

Abstract

The utility model discloses a preheating device for waste gas treatment, which belongs to the technical field of waste gas treatment and preheating, and comprises a waste gas pretreatment cylinder and a main preheating box, wherein a control box is arranged on the outer wall of the waste gas pretreatment cylinder, the top of the waste gas pretreatment cylinder is of a cone structure, the upper end of the cone is connected with a treatment discharge main pipe, the other end of the treatment discharge main pipe is connected with two discharge branch pipes, a control valve is arranged on each discharge branch pipe, and the other ends of the two discharge branch pipes are respectively connected with a first drying box and a second drying box. According to the utility model, the waste gas is firstly introduced into the preheating circulation pipe of the main preheating box, the waste gas subjected to the pretreatment is subjected to the preheating treatment, the temperature guarantee is provided for the subsequent treatment, meanwhile, the temperature of the waste gas subjected to the pretreatment can be reduced, the heat energy in the waste gas is effectively recycled, the waste gas is introduced into the waste gas pretreatment cylinder, and substances which are easily dissolved in water in the waste gas can be effectively removed, so that the waste gas is subjected to the preliminary treatment.

Inventors

• CHEN CHUNWANG
• CHEN YULONG
• BAI CHENXI
• YANG JUNXIAO
• SHI LEI

Assignees

• 洛阳市宜坤环保设备有限公司

Dates

Publication Date

20260505

Application Date

20250516

Claims (6)

1. 1. The preheating device for waste gas treatment comprises a waste gas pretreatment cylinder (1) and a main preheating tank (5), and is characterized in that a control box (4) is arranged on the outer wall of the waste gas pretreatment cylinder (1), the top of the waste gas pretreatment cylinder (1) is of a cone structure, the upper end of the cone is connected with a treatment discharge main pipe (12), the other end of the treatment discharge main pipe (12) is connected with two discharge branch pipes (13), a control valve (14) is arranged on the discharge branch pipe (13), the other ends of the two discharge branch pipes (13) are respectively connected with a first drying tank (6) and a second drying tank (7), a humidity sensor (15) is arranged on a discharge end pipeline of the first drying tank (6), the discharge end pipeline is connected with a third drying tank (8), the third drying tank (8) is provided with a drying straight exhaust pipe (16) in parallel connection, the gas subjected to drying treatment is supplied into the main preheating tank (5), the other ends of the main preheating tank (5) are respectively connected with an auxiliary preheating tank (9) and an auxiliary preheating pipe (17) which are connected with a preheating pipe (20) and a preheating end (20) which are connected with the preheating pipe (20), the other end of the preheating air outlet pipe (11) extends to the bottom position in the waste gas pretreatment cylinder (1).
2. 2. The preheating device for waste gas treatment according to claim 1, wherein the other end of the preheating circulation pipe (20) is a preheating air inlet (10), a heat conducting partition plate (21) is arranged in the main preheating tank (5) and positioned on the inner side of the preheating circulation pipe (20), and a baffle plate (22) is arranged on the inner side of the heat conducting partition plate (21) in a staggered manner.
3. 3. The preheating device for waste gas treatment according to claim 2, wherein a corrugated plate demister (19) is arranged in the waste gas pretreatment cylinder (1) near the upper part, and a liquid inlet (2) and a liquid outlet (3) are arranged on the outer wall of the waste gas pretreatment cylinder (1).
4. 4. A preheating device for exhaust gas treatment according to claim 3, wherein the first drying box (6), the second drying box (7) and the third drying box (8) are respectively provided with a silica gel drying agent (23), and the first drying box (6) and the second drying box (7) are connected in parallel in a pipeline.
5. 5. The exhaust gas treatment preheating device according to claim 4, wherein the auxiliary preheating tank (9) is an electric heating tank, and a temperature sensor (24) is mounted on the discharge pipe of the main preheating tank (5).
6. 6. The exhaust gas treatment preheating device according to claim 5, wherein the first drying box (6), the second drying box (7), the third drying box (8), the preheating straight drain pipe (17) and the preheating drain pipe (18) are respectively provided with control valves (14).

Description

Preheating device for waste gas treatment Technical Field The utility model belongs to the technical field of waste gas treatment and preheating, and particularly relates to a preheating device for waste gas treatment. Background The waste gas treatment mainly refers to the treatment of industrial waste gas such as dust particles, smoke dust, peculiar smell gas and toxic and harmful gas generated in industrial sites. Common waste gas purification includes factory smoke waste gas purification, workshop dust waste gas purification, organic waste gas purification, waste gas odor purification, acid-base waste gas purification, chemical waste gas purification and the like. The existing waste gas treatment device is used for carrying out the pretreatment on waste gas, water mist is sprayed on the waste gas generally, pollutants in the waste gas are dissolved in water vapor by utilizing the water mist, the subsequent filtration and purification treatment of the waste gas is facilitated, the waste gas treatment efficiency is improved, but the gas humidity after the water mist is sprayed is higher, and the later-stage waste gas treatment is affected to a certain extent. The present utility model has been made in view of this. Disclosure of utility model The utility model aims to solve the technical problems and overcome the defects of the prior art, and provides a preheating device for waste gas treatment, which adopts the following basic conception: The utility model provides a preheating device for exhaust-gas treatment, includes waste gas pretreatment section of thick bamboo and main preheating cabinet, be provided with the control box on the outer wall of waste gas pretreatment section of thick bamboo, waste gas pretreatment section of thick bamboo's top is the cone structure, and the cone upper end is connected with the processing exhaust main pipe, the other end of processing exhaust main pipe is connected with two exhaust branch pipes, install the control valve on the exhaust branch pipe, two the other end of exhaust branch pipe is connected with drying cabinet one, drying cabinet two respectively, install humidity transducer on the exhaust end pipeline of drying cabinet one, exhaust end pipeline and drying cabinet three phase connection, drying cabinet three parallel connection is provided with dry straight calandria, and the gas through the drying treatment is supplied to in the main preheating cabinet, the exhaust pipeline of main preheating cabinet is connected with auxiliary preheating cabinet and preheat straight calandria respectively, preheat straight calandria and preheat the discharge pipe and be connected, be provided with the preheating circulating pipe in the main preheating cabinet, the exhaust end and the preheating outlet duct are connected with the preheating outlet duct respectively, the other end of preheating extends to the exhaust duct the exhaust-gas outlet pipe is connected with the exhaust duct in the exhaust-gas treatment section of thick bamboo, make waste gas treatment section of thick bamboo fully contact with the exhaust-gas in the bottom position. As a further scheme of the utility model, the other end of the preheating circulating pipe is a preheating air inlet, a heat conducting baffle plate is arranged in the main preheating box and positioned at the inner side of the preheating circulating pipe, a baffle plate is arranged at the inner side of the heat conducting baffle plate in a staggered manner, and the arrangement of the baffle plate can prolong the time of the pretreatment gas in the main preheating box, thereby improving the preheating effect. As a still further proposal of the utility model, a wave-shaped plate demister is arranged in the exhaust gas pretreatment cylinder near the upper part, and a liquid inlet and a liquid outlet are arranged on the outer wall of the exhaust gas pretreatment cylinder and used for supplementing and replacing liquid in the exhaust gas pretreatment cylinder. As a still further proposal of the utility model, the first drying box, the second drying box and the third drying box are respectively and correspondingly provided with silica gel drying agents, and the first drying box and the second drying box are connected in parallel in a pipeline so as to be convenient for replacing the drying agents in the drying boxes. As a still further proposal of the utility model, the auxiliary preheating box is an electric heating box, and a temperature sensor is arranged on a discharge pipeline of the main preheating box and is used for monitoring the preheating temperature processed by the main preheating box. As a still further scheme of the utility model, the first drying box, the second drying box, the third drying box, the preheating straight exhaust pipe and the preheating exhaust pipe are respectively and correspondingly provided with a control valve for controlling the on-off condition of corresponding pipelines. By adopting the technical scheme,