CN210814619U

CN210814619U - Plasma exhaust gas purifier

Info

Publication number: CN210814619U
Application number: CN201921614193.4U
Authority: CN
Inventors: 罗信
Original assignee: Individual
Current assignee: Yunnan Jianrun Environmental Protection Technology Co ltd
Priority date: 2019-09-26
Filing date: 2019-09-26
Publication date: 2020-06-23
Anticipated expiration: 2029-09-26

Abstract

The utility model discloses a plasma exhaust gas purifier relates to environmental protection equipment's technical field. It includes purifying box (1), bracket, insulator (4) and centrifugal fan (8), is equipped with baffle (10) and lower baffle (14) in purifying box (1), goes up baffle (10) and is equipped with a plurality of plasma treatment chamber (13) down between baffle (14), is equipped with plasma electrode stick (11), its characterized in that in plasma treatment chamber (13): the four corners of the upper partition plate (10) are respectively provided with a round hole for placing the insulator (4), the insulator (4) is fixed on the bracket (2) of the purification box (1), the upper end of the plasma electrode bar (11) is fixed on the upper bracket (6) through a nut, and the lower end of the plasma electrode bar is welded on the lower bracket (15). The utility model discloses a have and can prevent effectively that the water on the flue gas from condensing on the insulator, improve beneficial effect such as stability of plasma exhaust gas purifier work.

Description

Plasma exhaust gas purifier

Technical Field

The utility model belongs to the technical field of the technique of environmental protection equipment and specifically relates to a plasma exhaust gas purifier.

Background

The problems of littering, messy placement and open-air incineration of the rural domestic garbage are common, and the problems need to be solved for building beautiful villages and ecological villages. Some incineration disposal devices suitable for treating rural domestic garbage appear at present, generally burn through burning furnace, subside through the smoke and dust and water smoke dust removal, purification treatment such as desulfurization again, but have harmful gas and get rid of not thorough, the flue gas of emission does not reach standard scheduling problem. With the emphasis on environmental protection in countries and various regions, a plasma purifier for treating waste gas by using a plasma technology appears in the prior art, and high-energy plasma is generated between a plasma electrode bar with a positive electrode and a plasma treatment chamber with a negative electrode or an external insulating tube to crack industrial waste gas such as: ammonia, trimethylamine, hydrogen sulfide, methylthio hydrogen, methyl mercaptan, methyl sulfide, butyl acetate, ethyl acetate, dimethyl disulfide, carbon disulfide and styrene, sulfide H2S, VOCs, and molecular chain structure of benzene, toluene and xylene, so that organic or inorganic high molecular malodorous compound molecular chains are degraded and converted into low molecular compounds, such as CO2, H2O and the like. However, the plasma purifier applied in the production practice generally has several defects, firstly, moisture in the flue gas can be condensed on the insulator or the insulating bottle to make the insulator or the insulating bottle conduct electricity, and finally, the plasma electrode bar is damaged due to short circuit caused after the plasma electrode bar is electrified with the purifying box, so that the plasma purifier is unstable in operation. Secondly, after the existing plasma purifier is used for a period of time, some greasy dirt can adhere to the plasma processing chamber and the plasma electrode rod, and when the plasma processing chamber needs to be cleaned, the whole plasma processing chamber can only be taken out of the purifier for cleaning, but cannot be cleaned through a cleaning pipeline alone, so that the cleaning operation is troublesome, and the working efficiency of the plasma waste gas purifier can be influenced.

SUMMERY OF THE UTILITY MODEL

The above-mentioned not enough to prior art exists, the utility model aims at providing a can improve work efficiency and job stabilization's plasma exhaust gas purifier.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a plasma exhaust gas purifier, includes purifying box, bracket, insulator and centrifugal fan, the purifying box in be equipped with baffle and lower baffle, the top of going up the baffle is the exhaust chamber, the below of baffle is the inlet chamber down, inlet chamber (19) one side be equipped with into smoke mouth (17) and wet return (18), last baffle and lower baffle between be equipped with a plurality of plasma processing chamber, plasma processing chamber in be equipped with plasma electrode bar, its characterized in that: the plasma electrode rod comprises an upper bracket, a lower bracket, a plasma electrode rod, a plurality of round holes, a plurality of lower baffle plates and a plurality of upper baffle plates, wherein the upper baffle plates are arranged in the middle of the upper baffle plates, the round holes are connected with a plasma processing chamber, the round holes used for placing an insulator are respectively arranged at the four corners of the upper baffle plates, the round holes are arranged in the middle of the lower baffle plates and connected with the plasma processing chamber, the insulator is fixed on the bracket of the purifying box, the upper end of the plasma electrode rod is fixed on.

The plasma electrode bar be the cavity pipe, be equipped with the discharge sheet of multi-disc octagon on it, the plasma electrode bar still is equipped with alternately a plurality of water jet to wearing on the pipe wall.

The upper portion of insulator be equipped with the manger plate cover.

The top of the smoke inlet is provided with a water retaining cover.

The purifying box is provided with an air inlet at the position corresponding to the insulator.

The lower end of the lower bracket of the utility model is also provided with a water inlet used for cleaning the plasma electrode bar.

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

1. can effectively prevent the water on the flue gas from condensing on the insulator, improve the stability of plasma exhaust gas purifier work. The utility model discloses owing to place the insulator in the round hole of last baffle four corners department to fix on the bracket of purifying box, just so make the insulator place in plasma treatment cavity outside, make the insulator can not with flue gas direct contact, avoided the moisture in the flue gas to condense on the insulator. Meanwhile, after the water retaining cover is arranged on the upper portion of the insulator, condensed water on the upper partition plate cannot fall on the insulator, and the effectiveness of insulation is guaranteed.

2. The plasma processing cavity and the plasma electrode bar can be cleaned, and the processing efficiency of the plasma waste gas purifier is improved. Because the plasma electrode bar is also provided with a plurality of water spray nozzles which are crossed and penetrated on the pipe wall, and the lower end of the lower bracket is also provided with a water inlet used for cleaning the plasma electrode bar, the plasma electrode bar and the oil stain adhered on the plasma processing chamber can be cleaned by the cleaning pump.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic top view of the assembled upper support and plasma processing chamber of the present invention.

Fig. 3 is a schematic structural view of the plasma electrode bar of the present invention.

Fig. 4 is a schematic structural view of the discharge sheet of the present invention.

Fig. 5 is a schematic structural diagram of the insulator according to the present invention before improvement.

In the figure, 1-a purification box, 2-a bracket, 3-an air inlet, 4-an insulator, 5-a water retaining cover, 6-an upper support, 7-a smoke outlet, 8-a centrifugal fan, 9-an exhaust chamber, 10-an upper partition, 11-a plasma electrode bar, 12-a discharge sheet, 13-a plasma processing chamber, 14-a lower partition, 15-a lower support, 16-a water inlet, 17-a smoke inlet, 18-a water return pipe, 19-an air inlet chamber and 20-a water spray opening.

Detailed Description

The shape and structure of the present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1 to 4, a plasma waste gas purifier of the present invention comprises a purifying box 1, a bracket 2, an insulator 4 and a centrifugal fan 8. An upper partition plate 10 and a lower partition plate 14 are arranged in the purification box 1, an exhaust chamber 9 is arranged above the upper partition plate 10, a smoke outlet 7 is arranged above the exhaust chamber 9, and a centrifugal fan 8 is connected with the smoke outlet 7. An air inlet chamber 19 is arranged below the lower partition plate 14, a smoke inlet 17 and a water return pipe 18 are arranged on one side of the air inlet chamber 19, and a water retaining cover 5 is arranged at the top of the smoke inlet 17.

The utility model discloses be equipped with a plurality of plasma processing chamber 13 of taking the negative pole between last baffle 10 and lower baffle 14, be equipped with the plasma electrode stick 11 of taking the positive pole in the plasma processing chamber 13, it is equipped with a plurality of round holes and is connected with plasma processing chamber 13 to go up baffle 10 middle part, it respectively is equipped with a round hole that is used for placing insulator 4 to go up baffle 10 four corners department, baffle 14 middle part is equipped with a plurality of round holes and is connected with plasma processing chamber 13 down, insulator 4 is fixed on the bracket 2 of purifying box 1, insulator 4 upper portion is equipped with manger plate cover 5. The purpose of the water shield 5 is to avoid that moisture in the flue gases will condense on the insulation 4. The upper end of the plasma electrode rod 11 is fixed to the upper holder 6 by a nut, and the lower end of the plasma electrode rod 11 is welded to the lower holder 15.

Plasma electrode stick 11 for the cavity pipe, be equipped with the discharge sheet 12 of multi-disc octagon on it, plasma electrode stick 11 still is equipped with alternately a plurality of water jets 20 to wearing on the pipe wall, 15 lower extremes of lower carriage still are equipped with a water inlet 16 that is used for wasing plasma electrode stick 11. Clean water enters the interior of the plasma electrode bar 11 through the water inlet 16 of the lower bracket 15, and then passes through the water spray 20 on the plasma electrode bar 11 to clean the plasma processing chamber 13 and the octagonal discharge sheet 12.

Purifying box 1 be equipped with an inlet port 3 in the position department that corresponds insulator 4, when the centrifugal fan 8 during operation that is connected with the purifying box outlet flue, the air can be followed inlet port 3 and got into, makes insulator 4 dry, avoids the moisture in the flue gas can condense on insulator 4.

Plasma exhaust gas purifier's power be 500MW, generally be 2 tons of domestic waste incinerator adapted with daily handling capacity. The working principle of the utility model is that high-energy plasma is generated between the plasma electrode bar with the positive pole and the plasma processing chamber with the negative pole, so that industrial waste gas is cracked, and the purified waste gas reaches the emission standard specified in the standard for controlling pollution of domestic waste incineration (GB 18485-2014).

Claims

1. The utility model provides a plasma exhaust gas purifier, includes purifying box (1), bracket, insulator (4) and centrifugal fan (8), purifying box (1) in be equipped with baffle (10) and lower baffle (14), the top of going up baffle (10) is air discharge chamber (9), the below of baffle (14) is air inlet chamber (19) down, air inlet chamber (19) one side be equipped with into smoke mouth (17) and wet return (18), last baffle (10) and lower baffle (14) between be equipped with a plurality of plasma treatment chamber (13), plasma treatment chamber (13) in be equipped with plasma electrode stick (11), its characterized in that: the plasma processing device is characterized in that a plurality of round holes are formed in the middle of the upper partition plate (10) and connected with the plasma processing chamber (13), round holes used for placing insulators (4) are formed in the four corners of the upper partition plate (10), a plurality of round holes are formed in the middle of the lower partition plate (14) and connected with the plasma processing chamber (13), the insulators (4) are fixed on the bracket (2) of the purifying box (1), the upper end of the plasma electrode rod (11) is fixed on the upper support (6) through nuts, and the lower end of the plasma electrode rod (11) is welded on the lower support (15).

2. The plasma exhaust gas purifier according to claim 1, wherein: the plasma electrode bar (11) is a hollow circular tube, a plurality of octagonal discharge sheets (12) are arranged on the plasma electrode bar, and a plurality of water spray nozzles (20) which are crossed and penetrated are also arranged on the wall of the plasma electrode bar (11).

3. The plasma exhaust gas purifier according to claim 1, wherein: and a water retaining cover (5) is arranged at the upper part of the insulator (4).

4. The plasma exhaust gas purifier according to claim 1, wherein: the top of the smoke inlet (17) is provided with a water retaining cover (5).

5. The plasma exhaust gas purifier according to claim 1, wherein: the purification box (1) is provided with an air inlet (3) at the position corresponding to the insulator (4).

6. The plasma exhaust gas purifier according to claim 2, wherein: the lower end of the lower bracket (15) is also provided with a water inlet (16) for cleaning the plasma electrode bar (11).