CN212523604U

CN212523604U - Novel low temperature plasma exhaust-gas treatment equipment

Info

Publication number: CN212523604U
Application number: CN202021029515.1U
Authority: CN
Inventors: 洪祖喜; 陈静; 王磊
Original assignee: Shanghai Environmental Protection Co ltd
Current assignee: Shanghai Environmental Protection Co ltd
Priority date: 2020-06-08
Filing date: 2020-06-08
Publication date: 2021-02-12
Anticipated expiration: 2030-06-08

Abstract

The utility model discloses a novel low temperature plasma exhaust-gas treatment equipment, be equipped with the hybrid chamber and the reaction chamber of mutual intercommunication in the casing, hybrid chamber and reaction intracavity are equipped with the spiral wind channel, the hybrid chamber bottom is equipped with plasma generator, plasma generator's export and hybrid chamber intercommunication, hybrid chamber bottom lateral wall is equipped with waste gas inlet pipe, the hybrid chamber is equipped with plasma injector and plasma generator's export intercommunication, the upper end lateral wall of reaction chamber is equipped with waste gas outlet pipe, be equipped with waste gas concentration sensor in the waste gas outlet pipe, be equipped with temperature sensor in the hybrid chamber, the casing bottom still is equipped with the controller, controller and temperature sensor, waste gas concentration sensor electricity is connected, the controller still is connected with plasma generator's electrical switch electricity. Plasma is injected into the mixing cavity through the plasma generator and the plasma injector, so that the plasma and the waste gas react, harmful ingredients in the waste gas are oxidized, and the waste gas treatment effect is ensured.

Description

Novel low temperature plasma exhaust-gas treatment equipment

Technical Field

The utility model belongs to the technical field of the environmental protection is handled, be a novel low temperature plasma exhaust-gas treatment equipment particularly.

Background

In modern industrial production and urban life, some toxic and harmful waste gas is inevitably generated, and the waste gas is directly discharged into the atmosphere, so that the natural environment is seriously polluted, and the human body is seriously damaged.

The traditional waste gas treatment process usually adopts an adsorption method, a biological method, a washing method, a combustion method and the like. The adsorption method mainly adopts activated carbon to adsorb the waste gas, has good treatment effect and low investment cost, but needs further treatment after the activated carbon is saturated in adsorption, and has the problem of secondary pollution; the biological method is to use microorganisms to treat waste gas molecules, so that the investment and operation cost is low, but the occupied area of equipment is large, the temperature and humidity of a biological pool need to be controlled, the operation is complex, and secondary pollution is easy to generate; the combustion method has high purification efficiency, but has large equipment volume, high investment and running cost and certain potential safety hazard.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved by the utility model

The utility model aims to solve the problem that the existing waste gas treatment equipment has poor treatment effect and secondary pollution.

2. Technical scheme

In order to achieve the above purpose, the utility model provides a technical scheme does:

the utility model relates to a novel low-temperature plasma waste gas treatment device, which comprises a shell, wherein a mixing cavity and a reaction cavity which are mutually communicated are arranged in the shell, the mixing cavity and the reaction cavity are internally provided with spiral air ducts, the bottom of the mixing cavity is provided with a plasma generator, the outlet of the plasma generator is communicated with the mixing cavity, the side wall of the bottom of the mixing cavity is provided with a waste gas inlet pipeline, a plasma injector is arranged in the mixing cavity and communicated with an outlet of the plasma generator, a waste gas outlet pipeline is arranged on the side wall of the upper end of the reaction cavity, a waste gas concentration sensor is arranged in the waste gas outlet pipeline, a temperature sensor is arranged in the mixing cavity, the bottom of the shell is also provided with a controller, the controller is electrically connected with the temperature sensor and the waste gas concentration sensor, and the controller is also electrically connected with an electric switch of the plasma generator.

Preferably, the inlet of the plasma generator is communicated with a fresh air inlet pipeline, and a filter is further arranged between the plasma generator and the fresh air inlet pipeline.

Preferably, the exhaust gas inlet conduit and the exhaust gas outlet conduit are disposed on opposite sides of the housing.

Preferably, a bracket is arranged at the bottom of the shell and used for fixedly supporting the shell.

3. Advantageous effects

Adopt the technical scheme provided by the utility model, compare with prior art, have following beneficial effect:

the utility model discloses a novel low temperature plasma exhaust-gas treatment equipment, which comprises a housin, be equipped with the hybrid chamber and the reaction chamber of mutual intercommunication in the casing, hybrid chamber and reaction intracavity are equipped with the spiral wind channel, the hybrid chamber bottom is equipped with plasma generator, plasma generator's export and hybrid chamber intercommunication, hybrid chamber bottom lateral wall is equipped with waste gas inlet pipe, the hybrid chamber is equipped with plasma injector and plasma generator's export intercommunication, the upper end lateral wall of reaction chamber is equipped with the exhaust outlet pipeline, be equipped with exhaust gas concentration sensor in the exhaust outlet pipeline, be equipped with temperature sensor in the hybrid chamber, the casing bottom still is equipped with the controller, controller and temperature sensor, exhaust gas concentration sensor electricity is connected, the controller still is connected with plasma generator's electrical switch electricity. Plasma is injected into the mixing cavity through the plasma generator and the plasma injector, so that the plasma and the waste gas react, harmful components in the waste gas are oxidized, and the secondary pollution of the waste gas is prevented. Simultaneously, the spiral wind channel makes the mist in the reaction chamber rotate, separate the large granule material in the mist under the effect of centrifugal force, improve the purifying effect of waste gas, the mist after the purification passes through the exhaust outlet pipeline and discharges, exhaust gas concentration sensor detects the exhaust gas concentration in the exhaust outlet pipeline and carries the testing result for the controller, the controller is the PLC controller, when exhaust gas concentration sensor detects the exhaust gas concentration in the outlet pipeline too high, the controller control plasma generator increases power, increase plasma delivery volume, and then reduce the exhaust gas concentration in the exhaust outlet pipeline, guarantee the exhaust-gas treatment effect.

Drawings

Fig. 1 is a schematic structural diagram of a novel low-temperature plasma waste gas treatment device of the present invention.

The reference numerals in the schematic drawings illustrate:

1. an exhaust gas inlet conduit; 2. a mixing chamber; 3. a plasma injector; 4. a spiral duct; 5. a reaction chamber; 6. an exhaust gas outlet conduit; 7. a plasma generator; 8. a filter; 9. a fresh air inlet pipeline; 10. a housing; 11. a support; 12. a controller; 41. an exhaust gas concentration sensor; 61. a temperature sensor.

Detailed Description

In order to facilitate understanding of the invention, the invention will be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the invention are shown, but which can be embodied in many different forms and are not limited to the embodiments described herein, but which are provided so as to render the disclosure of the invention more thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present; when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present; the terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs; the terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention; as used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Example 1

Referring to the attached drawing 1, the novel low temperature plasma exhaust-gas treatment equipment of this embodiment, including casing 10, be equipped with mixing chamber 2 and the reaction chamber 5 of mutual intercommunication in the casing 10, be equipped with spiral duct 4 in mixing chamber 2 and the

reaction chamber

5, 2 bottoms of mixing chamber are equipped with plasma generator 7, and the export and the mixing chamber 2 intercommunication of

plasma generator

7, 2 bottom lateral walls of mixing chamber are equipped with waste gas inlet pipe 1, be equipped with the export intercommunication of plasma injector 3 and plasma generator 7 in the mixing chamber 2, the upper end lateral wall of reaction chamber 5 is equipped with waste gas outlet pipe 6, casing 10 bottom is equipped with support 11, support 11 is used for the fixed stay casing 10. Be equipped with exhaust gas concentration sensor 41 in the exhaust gas outlet pipeline 6, be equipped with temperature sensor 61 in the hybrid chamber 2, the casing 10 bottom still is equipped with controller 12, controller 12 is connected with temperature sensor 61, exhaust gas concentration sensor 41 electricity, controller 12 still is connected with plasma generator 7's electrical switch electricity. In the embodiment, the plasma generator 7 and the plasma injector 3 inject plasma into the mixing chamber 2, so that the plasma reacts with the exhaust gas, harmful components in the exhaust gas are oxidized, meanwhile, the spiral air duct 4 rotates the mixed gas in the reaction chamber 5, large particulate matters in the mixed gas are separated under the action of centrifugal force, the purified mixed gas is discharged through the exhaust gas outlet pipeline 6, the exhaust gas concentration sensor 41 detects the exhaust gas concentration in the exhaust gas outlet pipeline 6 and transmits the detection result to the controller 61, the controller 6 is a PLC controller, when the exhaust gas concentration sensor 41 detects that the exhaust gas concentration in the exhaust gas outlet pipeline 6 is too high, the controller 6 controls the plasma generator 7 to increase power, increase the plasma transmission amount, and further reduce the exhaust gas concentration in the exhaust gas outlet pipeline 6, ensuring the waste gas treatment effect.

The inlet of the plasma generator 7 of this embodiment is connected to a fresh air inlet pipe 9, and a filter 8 is further disposed between the plasma generator 7 and the fresh air inlet pipe 9. The exhaust gas inlet conduit 1 and the exhaust gas outlet conduit 6 are arranged on opposite sides of said housing 10.

The above-mentioned embodiments only express a certain implementation manner of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention; it should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which all fall within the protection scope of the present invention; therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a novel low temperature plasma exhaust-gas treatment equipment which characterized in that: comprises a shell (10), a mixing chamber (2) and a reaction chamber (5) which are communicated with each other are arranged in the shell (10), a spiral air duct (4) is arranged in the mixing chamber (2) and the reaction chamber (5), a plasma generator (7) is arranged at the bottom of the mixing chamber (2), an outlet of the plasma generator (7) is communicated with the mixing chamber (2), a waste gas inlet pipeline (1) is arranged on the side wall of the bottom of the mixing chamber (2), a plasma injector (3) is arranged in the mixing chamber (2) and communicated with an outlet of the plasma generator (7), a waste gas outlet pipeline (6) is arranged on the side wall of the upper end of the reaction chamber (5), a waste gas concentration sensor (41) is arranged in the waste gas outlet pipeline (6), a temperature sensor (61) is arranged in the mixing chamber (2), a controller (12) is also arranged at the bottom of the shell (10), the controller (12) is electrically connected with the temperature sensor (61) and the exhaust gas concentration sensor (41), and the controller (12) is also electrically connected with an electric switch of the plasma generator (7).

2. The novel low-temperature plasma waste gas treatment device according to claim 1, characterized in that: the inlet of the plasma generator (7) is communicated with a fresh air inlet pipeline (9), and a filter (8) is arranged between the plasma generator (7) and the fresh air inlet pipeline (9).

3. The novel low-temperature plasma waste gas treatment device according to claim 1, characterized in that: the waste gas inlet pipeline (1) and the waste gas outlet pipeline (6) are arranged on opposite sides of the shell (10).

4. The novel low-temperature plasma waste gas treatment device according to claim 1, characterized in that: the bottom of the shell (10) is provided with a support (11), and the support (11) is used for fixedly supporting the shell (10).