CN210303100U

CN210303100U - A static entrapment condensing equipment for industrial organic waste gas handles

Info

Publication number: CN210303100U
Application number: CN201920754460.1U
Authority: CN
Inventors: 李冬兵; 黄萍; 何雨秋; 罗杰; 彭锦; 王瑛; 韦依凡
Original assignee: Northwest A&F University
Current assignee: Northwest A&F University
Priority date: 2019-05-23
Filing date: 2019-05-23
Publication date: 2020-04-14
Anticipated expiration: 2029-05-23

Abstract

The utility model relates to an electrostatic trapping condensing equipment for industrial organic waste gas treatment belongs to environmental protection technology equipment field. The device mainly comprises a static trapping condenser, a static high-voltage generator and a collector. The static entrapment condenser outer wall is equipped with the temperature that the condensation presss from both sides in the cover controlling means of being convenient for and makes the collection effect reach the best, and static entrapment condenser lower extreme is equipped with a right angle side opening for organic waste gas increases the processing area in the parallel entering barrel, reduces volatilizing of liquid on the section of thick bamboo wall. The upper end and the lower end in the electrostatic trapping condenser are respectively provided with an insulating annular fixed plate for fixing the discharge electrode, so that the short circuit caused by the contact of the discharge electrode and the inner wall due to swinging in the operation process is avoided. The negative pole of the electrostatic high-voltage generator is connected with the discharge electrode in the electrostatic catcher cylinder, and the positive pole is connected with the inner wall of the electrostatic catcher cylinder. The outer wall of the collector is provided with a condensation jacket to reduce the volatilization of the collected liquid, which is beneficial to improving the collection rate of the device to the organic waste gas.

Description

A static entrapment condensing equipment for industrial organic waste gas handles

Technical Field

The utility model belongs to the technical field of the environmental protection, concretely relates to static entrapment condensing equipment for industrial organic waste gas handles.

Background

At present, in chemical industry, the generated industrial waste has great pollution to the environment, and the emission of industrial waste gas is difficult to treat, so that the method becomes one of social attention hotspots. The emission of volatile organic waste gas not only pollutes the environment, but also seriously affects the health of human beings, and the long-term explosion in the environment with volatile organic gas can cause the injury to the respiratory system, the nervous system, the blood, the liver, the kidney and the like of the human beings to cause chronic poisoning, and the high concentration easily causes acute poisoning to cause life danger. At present, the industrial treatment method of organic waste mainly comprises a combustion method, the biological treatment method comprises biological filtration, biological washing and the like, the physical treatment method comprises adsorption, condensation, membrane separation and the like, and each method has respective advantages and disadvantages, but the industrial organic waste gas treatment still needs to seek an industrial technology with high efficiency and low cost. The electrostatic trapping and condensing device can further improve the treatment efficiency of the organic waste gas on the basis of condensation.

Disclosure of Invention

The utility model discloses the purpose is for high-efficient processing organic waste gas, and better solution industrial waste gas discharges's problem improves organic waste gas treatment efficiency, provides an organic waste gas processing apparatus.

The utility model discloses a specific technical scheme as follows:

an electrostatic trapping and condensing device for organic waste gas treatment comprises an electrostatic trapping condenser, an electrostatic high-voltage generator and a collector; the outer wall of the electrostatic trapping condenser is provided with a condensed water jacket, the upper end and the lower end of the electrostatic trapping condenser are respectively provided with an insulated annular fixed plate for fixing a discharge electrode, the lower end of the cylinder wall is provided with a right-angle air inlet, and the top end of the cylinder wall is provided with a waste gas outlet; a copper bar with the diameter of 2mm is fixed in the electrostatic trapping condenser cylinder, small needle points with the diameter of 0.1mm are uniformly distributed on the copper bar, a collector for collecting trapped liquid is arranged at the bottom of the electrostatic trapping condenser, and a condensed water jacket is arranged on the outer wall of the collector.

Another objective of the present invention is to provide a method for treating organic waste gas by using the above device, which comprises the following steps:

the method comprises the steps of firstly introducing condensed water with set temperature into the outer wall of the electrostatic trapping condenser and the outer wall of the collector, filling inert gas into the device in advance to prevent dangerous accidents such as explosion of organic gas in a high-voltage electrostatic environment under an aerobic condition, and forming a corona area between a discharge electrode and the inner wall of the electrostatic trapping condenser cylinder by using an electrostatic high-voltage generator. Then the organic waste gas to be treated is introduced into the device from the air inlet at the lower end of the electrostatic trapping condenser, the organic waste gas forms charged aerosol micro-droplets through a condensation and corona region, and the charged aerosol micro-droplets are gathered on the electrode under the action of electric field force and gravity and then flow into the collector under the action of gravity to be collected. And finally, discharging the treated gas through an outlet at the upper end of the electrostatic trapping condenser.

The utility model discloses a discharge electrode is fixed to the annular fixed plate, prevents that discharge electrode swing and static entrapment condenser inner wall contact from causing the short circuit. The right-angle air inlet is designed at the air inlet of the electrostatic trapping condenser, so that volatilization of trapped liquid caused by entrance of organic waste gas is reduced, and gas is more uniformly distributed in a condensation and corona area, and the treatment efficiency of the organic waste gas is improved. The outer wall of the collector is provided with a condensed water jacket, thereby reducing the gasification of the collected liquid due to high temperature. The inner wall of the electrostatic trapping condenser is made of transparent conductive glass, and the condensed water jacket on the outer wall of the electrostatic trapping condenser and the collector with the jacket are made of transparent glass, so that the organic waste gas can be better observed to be treated and collected. The whole device is provided with an air inlet and an air outlet, and other interfaces are well sealed, so that the organic waste gas can be effectively prevented from being leaked, and the environmental pollution is caused.

Drawings

FIG. 1 is a schematic structural diagram of an electrostatic trapping and condensing device for treating organic waste gas;

in the figure: 1 is a gas outlet, 2,5 is an annular fixed plate, 3 is an electrostatic trapping condenser, 4 is an electrode bar, 6 is a right-angle gas inlet, 7 is a collector, 8 is an electrostatic high-voltage cathode, 9 is an electrostatic high-voltage generator, and 10 is an electrostatic high-voltage anode;

fig. 2 is a top view of the annular fixing plates 2,5 of fig. 1.

Detailed Description

The electrostatic trapping and condensing device of the present invention will be further illustrated and described with reference to the accompanying drawings and the specific implementation method. As shown in fig. 1, the electrostatic trapping condenser device is mainly composed of an electrostatic high voltage generator 9, an electrostatic trapping condenser 3, and a collector 7. The bottom of the electrostatic trapping condenser 3 is provided with a collector 7, the side of the lower end of the electrostatic trapping condenser is provided with a right-angle air inlet 6, the top of the electrostatic trapping condenser is provided with an air outlet 1, the side of the upper part and the side of the lower part of the electrostatic trapping condenser are provided with line interfaces, and the electrostatic trapping condenser has good sealing performance except for the right-angle air inlet 6. The upper end and the lower end of the interior of the electrostatic trapping condenser cylinder body are provided with annular fixed plates 2 and 5. The inner wall of the electrostatic trapping condenser 3 is made of transparent conductive glass and is connected with the positive electrode 10 of the electrostatic high-voltage generator, and the outer wall of the electrostatic trapping condenser, the jacket and the collector are made of transparent glass materials, so that the organic waste gas treatment and collection conditions can be better observed. The electrode rod 4 in the cylinder of the electrostatic trapping condenser is made of copper material, the diameter of the electrode rod is 2mm, metal conductor needle points with the diameter of 0.1mm are uniformly distributed on the electrode rod, and the electrode rod is connected with the negative electrode 8 of the electrostatic high-voltage generator. Two electrodes of the electrostatic high-voltage generator are respectively connected with the electrode bar 4 and the conductive inner wall of the electrostatic trapping condenser, and a corona area is generated in the electrostatic trapping condenser cylinder. The outer walls of the electrostatic trapping condenser and the collector are provided with condensed water jackets, so that the volatilization of collected liquid can be reduced, and the treatment efficiency is improved.

Firstly, introducing condensed water with set temperature into the outer wall of the electrostatic trapping condenser 3 and the outer wall of the collector 7, filling inert gas into the device in advance, turning on a power supply of the electrostatic high-voltage generator 9, adjusting the voltage to be 20KV, and forming a corona area between the discharge electrode 4 and the inner wall of the electrostatic trapping condenser 3 cylinder by using the electrostatic high-voltage generator 9. Then the organic waste gas to be treated is introduced into the device from the right-angle air inlet 6 of the electrostatic trapping condenser 3, charged aerosol micro-droplets are formed through a condensation and corona region, and the charged aerosol micro-droplets are gathered on the cylinder wall of the electrostatic trapping condenser 3 under the action of electric field force and gravity and then flow into the collector 7 under the action of gravity to be collected. The finally treated gas is discharged through an air outlet 1 at the upper end of the electrostatic trapping condenser 3.

Claims

1. An electrostatic trapping condensing device for industrial organic waste gas treatment is characterized in that: the device consists of a static trapping condenser (3), a static high-voltage generator (9) and a collector (7); the outer wall of the electrostatic trapping condenser (3) is provided with a condensed water jacket, the upper end and the lower end of the electrostatic trapping condenser (3) are respectively provided with an insulated annular fixed plate (2,5) for fixing a discharge electrode, the upper end of the cylinder wall is provided with a side opening for connecting a discharge electrode circuit, the lower end of the cylinder wall is provided with a right-angle air inlet (6), and the top end of the cylinder wall is provided with a gas outlet; a copper bar with the diameter of 2mm is fixed in the cylinder of the electrostatic trapping condenser (3), small needle points with the diameter of 0.1mm are uniformly distributed on the copper bar, a collector (7) for collecting trapped liquid is arranged at the bottom of the electrostatic trapping condenser (3), and a condensed water jacket is arranged on the outer wall of the collector (7).

2. The electrostatic trapping and condensing device for industrial organic waste gas treatment according to claim 1, characterized in that the wall of the electrostatic trapping condenser (3) is provided with a condensed water jacket.

3. The electrostatic trapping and condensing device for industrial organic waste gas treatment according to claim 1, characterized in that the inner wall of the cylinder of the electrostatic trapping condenser (3) is made of conductive glass material, and the jacket of the outer wall of the cylinder is made of insulating glass material.

4. The electrostatic trapping and condensing device for industrial organic waste gas treatment according to claim 1, characterized in that the electrostatic trapping condenser (3) is provided with annular fixing plates (2,5) at the upper and lower ends thereof for fixing the discharge electrode, and the annular fixing plates (2,5) are horizontally and symmetrically arranged in the cylinder of the electrostatic trapping condenser (3) and the annular fixing plates are coaxial with the cylinder.

5. The electrostatic trapping and condensing device for industrial organic waste gas treatment according to claim 1, characterized in that the lower end in the cylinder of the electrostatic trapping condenser (3) is provided with a right-angle air inlet (6).

6. The electrostatic trapping and condensing device for industrial organic waste gas treatment according to claim 1, characterized in that the outer wall of the collector (7) is provided with a condensed water jacket.

7. The electrostatic trapping and condensing device for industrial organic waste gas treatment according to claim 1, characterized in that the discharge electrode (4) in the electrostatic trapping and condensing device (3) is made of copper rod with diameter of 2mm and small tips of 0.1mm are evenly distributed on the copper rod.

8. The electrostatic trapping and condensing device for industrial organic waste gas treatment according to claim 1, characterized in that the electrostatic trapping condenser (3) and the collector (7) are made of transparent glass material, which facilitates observation of the treatment and collection of the organic waste gas.