CN211635941U - A plasma exhaust gas purifier - Google Patents

Abstract

The utility model discloses a plasma waste gas purifier, which comprises a gas collecting cover, a base and a plasma purifier. A plasma purifier, a fan and an air exhaust duct are mounted and fixed on the base with bolts, and an air intake pipe of the plasma purifier passes through The first duct is connected with a gas collecting hood, the air outlet pipe of the plasma purifier is connected with the fan through the second duct, and the fan is connected with the exhaust duct through the third duct. In the utility model, a first rectangular frame is arranged at the front end of the second frame provided with the pulsed high-frequency high-voltage generator, and a high-efficiency filter cotton is arranged in the first rectangular frame, and the high-efficiency filter cotton can treat a small amount of dust carried in the exhaust gas, It has a certain protective effect on the rear device, and secondly, the setting of the first frame of the drawer structure is convenient for disassembly and replacement of high-efficiency filter cotton.

Description

A plasma exhaust gas purifier

technical field

The utility model relates to the technical field of exhaust gas purification, in particular to a plasma exhaust gas purifier.

Background technique

Exhaust gas refers to the toxic and harmful gases emitted by human beings in the process of production and life. Especially chemical plants, steel plants, pharmaceutical plants, coking plants, oil refineries, etc. and the generation of domestic waste gas brought by human life, the exhaust gas emitted has a strong smell, seriously pollutes the environment and affects human health, and the waste gas contains pollutants. Many, their physical and chemical properties are very complex and their toxicity varies. The exhaust gas discharged from fuel combustion contains sulfur dioxide, nitrogen oxides (NOx), hydrocarbons, etc.; due to different raw materials and processes used in industrial production, various harmful gases and solid wastes are emitted, containing various components such as heavy metals, Salts, radioactive substances; automobile exhaust contains hydrocarbons such as lead, benzene and phenol. Air pollution by exhaust gas is one of the most common and serious environmental problems in the world. China's "Environmental Protection Law" has clearly stipulated the exhaust gas emission standards of various factories and mines. Some of the waste gas is recovered and reprocessed into usable products.

At present, the existing plasma exhaust gas purifier has a simple structure. The ion generator set inside the plasma purifier is located inside the plasma purifier, which is very inconvenient to repair and maintain. Secondly, the exhaust gas is directly passed into the plasma purifier, which lacks dust in the exhaust gas. The structure of the purification treatment is easy to cause damage to the ion generator, so it cannot meet the needs of users.

Utility model content

The purpose of the utility model is to propose a plasma exhaust gas purifier in order to solve the shortcomings existing in the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a plasma exhaust gas purifier, comprising a gas collecting hood, a base and a plasma purifier;

A plasma purifier, a fan and an exhaust duct are installed and fixed with bolts on the base, a gas collecting hood is connected to the air inlet pipe of the plasma purifier through a first duct, and a second duct is connected to the fan on the outlet pipe of the plasma purifier. Conductive connection, and the fan is conductively connected with the exhaust duct through the third duct;

The top of the plasma purifier is plugged with a first rectangular frame and a second rectangular frame, the interior of the first rectangular frame is bonded with high-efficiency filter cotton, and the interior of the second rectangular frame is provided with a pulsed high-frequency High voltage generator.

Preferably, a grille mesh is clamped at the bottom opening of the gas collecting hood, and the grille mesh is 10 meshes.

Preferably, a first fixing plate is welded on the upper surface of the first rectangular frame, and the first fixing plate is bolted to the outer wall of the plasma purifier, and a first lifting plate is welded at the center of the top of the first fixing plate. hand.

Preferably, a second fixing plate is welded on the upper surface of the second rectangular frame, the second fixing plate is bolted to the outer wall of the plasma purifier, and a second fixing plate is welded at the center of the top of the second fixing plate. handle.

Preferably, the cross section of the high-efficiency filter cotton is a zigzag structure.

Compared with the prior art, the beneficial effects of the present utility model are:

1. In the present utility model, the plasma exhaust gas purifier is provided with a first rectangular frame at the front end of the second frame provided with a pulsed high-frequency high-voltage generator, and a high-efficiency filter cotton is arranged in the first rectangular frame. To deal with a small amount of dust carried in the exhaust gas, it has a certain protective effect on the rear device. Secondly, the setting of the first frame of the drawer structure is convenient for disassembly and replacement of high-efficiency filter cotton.

2. In the present utility model, the plasma waste gas purifier adopts a pulsed high-frequency high-voltage generator, and the electron energy is up to more than 7ev, which can effectively break off strong molecular structures such as benzene rings, improve the efficiency and quality of its waste gas purification, and The pulsed high-frequency and high-voltage generator is set in the second frame, forming a drawer-type structure design, modular structure, easy installation and maintenance; strong combination, can be mixed in series and parallel applications, and can play an obvious advantage when dealing with high-concentration odor gases.

Description of drawings

Fig. 1 is the structural representation of a kind of plasma exhaust gas purifier proposed by the utility model;

2 is a schematic structural diagram of a gas collecting hood of a plasma exhaust gas purifier proposed by the utility model;

3 is a schematic structural diagram of a plasma purifier of a plasma exhaust gas purifier proposed by the utility model;

4 is a schematic structural diagram of a first frame of a plasma exhaust gas purifier proposed by the utility model;

FIG. 5 is a schematic structural diagram of the second frame of a plasma exhaust gas purifier proposed by the utility model.

illustration:

1. Gas collecting hood; 11. Grille net; 2. The first conduit; 3. Base; 4. Plasma purifier; 41. The first rectangular frame; 411. High-efficiency filter cotton; 412. The first handle; 43, the second fixed plate; 44, the second rectangular frame; 441, the second handle; 442, the pulsed high-frequency high-voltage generator; 5, the second conduit; 6, the fan; Duct; 8. Exhaust duct.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner" and "outer" The orientation or positional relationship indicated by etc. is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, with a specific orientation. Therefore, it should not be construed as a limitation to the present invention; the terms "first", "second" and "third" are only used for descriptive purposes and should not be construed as indicating or implying relative importance; in addition, Unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection, It can also be an electrical connection; it can be a direct connection, an indirect connection through an intermediate medium, or an internal connection between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

1-5, a plasma exhaust gas purifier, including a gas collecting hood 1, a base 3 and a plasma purifier 4;

The plasma purifier 4, the fan 6 and the exhaust duct 8 are installed and fixed with bolts on the base 3, the air inlet pipe of the plasma purifier 4 is connected with the gas collecting hood 1 through the first duct 2, and the air outlet pipe of the plasma purifier 4 passes through the second duct 5 is conductively connected with the fan 6, and the fan 6 is conductively connected with the exhaust duct 8 through the third conduit 7;

The top of the plasma purifier 4 is plugged with a first rectangular frame 41 and a second rectangular frame 44. The inside of the first rectangular frame 41 is bonded with a high-efficiency filter cotton 411, and the inside of the second rectangular frame 44 is provided with a pulsed high-frequency High voltage generator 442 .

Referring to Figures 1 and 2, a grille mesh 11 is clamped at the bottom opening of the gas collecting hood 1. The grille mesh 11 is 10 mesh, and the mesh I 11 is a 10 mesh stainless steel mesh mesh, which can prevent the inhalation of impurities such as paper scraps. inside the first conduit 2 .

3 and 4 , the upper surface of the first rectangular frame 41 is welded with a first fixing plate 42 , and the first fixing plate 42 is bolted to the outer wall of the plasma purifier 4 , and the top center of the first fixing plate 42 is The first handle 412 is welded, and the outer wall of the first rectangular frame 41 is provided with a gasket to improve the sealing of the contact surface between the first rectangular frame 41 and the plasma purifier 4, and the first fixing plate 42 is used for the first rectangular frame. The installation of 41 is fixed.

3 and 5, the upper surface of the second rectangular frame 44 is welded with a second fixing plate 43, the second fixing plate 43 is bolted to the outer wall of the plasma purifier 4, and the center of the top of the second fixing plate 43 is welded. There is a second handle 441 , a gasket is provided on the outer wall of the second rectangular frame 44 to improve the sealing of the contact surface between the second rectangular frame 44 and the plasma purifier 4 , and the second fixing plate 43 is used for the second rectangular frame 44 installation is fixed.

4 , the cross section of the high-efficiency filter cotton 411 is a zigzag structure, and the zigzag structure is used to increase the filtering area of the high-efficiency filter cotton 411 and improve its filtering efficiency.

Working principle: When the plasma exhaust gas purifier is in use, under the action of the fan 6, the exhaust gas is sent to the plasma purifier 4 through the gas collecting hood 1 and the first conduit 2, and the exhaust gas first passes through the high-efficiency filter in the first rectangular frame 41. The cotton 411 filters out a small amount of dust contained in the exhaust gas, and then enters the high-energy and low-temperature plasma, free radicals and hydroxyl radicals formed by the pulsed high-frequency high-voltage generator 442. Under the strong oxidation of high-energy ions, it will pass through the plasma. The odor and organic waste gas of the purifier 4 are directly oxidized to generate low-molecular-weight harmless substances such as H2O and CO2, which are finally discharged through the exhaust duct 8 up to the standard.

The above are only the preferred specific embodiments of the present invention, but the protection scope of the present invention is not limited to this. Equivalent replacement or modification of the new technical solution and its utility model concept shall be included within the protection scope of the present utility model.

Claims (5)

1. A plasma waste gas purifier is characterized by comprising a gas collecting hood (1), a base (3) and a plasma purifier (4);

a plasma purifier (4), a fan (6) and an exhaust duct (8) are fixedly mounted on the base (3) through bolts, a gas collecting hood (1) is connected to a gas inlet pipe of the plasma purifier (4) through a first guide pipe (2), a gas outlet pipe of the plasma purifier (4) is in conduction connection with the fan (6) through a second guide pipe (5), and the fan (6) is in conduction connection with the exhaust duct (8) through a third guide pipe (7);

the top of the plasma purifier (4) is provided with a first rectangular frame (41) and a second rectangular frame (44) in an inserted manner, efficient filter cotton (411) is bonded inside the first rectangular frame (41), and a pulse type high-frequency high-voltage generator (442) is arranged inside the second rectangular frame (44).

2. The plasma waste gas purifier as recited in claim 1, wherein a grid net (11) is fastened at the bottom opening of the gas collecting hood (1), and the grid net (11) is 10 mesh.

3. The plasma waste gas purifier as recited in claim 1, wherein a first fixing plate (42) is welded to an upper surface of the first rectangular frame (41), the first fixing plate (42) is fixed to an outer wall of the plasma purifier (4) by bolts, and a first handle (412) is welded to a center of a top portion of the first fixing plate (42).

4. The plasma exhaust gas purifier as recited in claim 1, wherein a second fixing plate (43) is welded to an upper surface of the second rectangular frame (44), the second fixing plate (43) is fixed to an outer wall of the plasma purifier (4) by bolts, and a second handle (441) is welded to a top center of the second fixing plate (43).

5. The plasma exhaust gas purifier as recited in claim 1, wherein said high efficiency filter cotton (411) has a saw-tooth structure in cross section.

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