CN207913479U - A low-temperature plasma exhaust gas purifier - Google Patents

Abstract

The utility model discloses a low temperature plasma exhaust gas purifier, including the air inlet, air inlet externally mounted has the box, box internally mounted has the filter screen, filter screen externally connected has the guide plate, and the guide plate right side installs high pressure plasma door to the inside dust collecting plate that is fixed with of guide plate, the right-hand low pressure plasma door that is provided with of high pressure plasma door, the gas outlet is installed on low pressure plasma door right side, first mount internally mounted has the electrode bar, and first mount inside is fixed with the center post, second mount internally mounted has the guide plate, guide plate externally connected has the positive plate, and the guide plate right side is provided with the negative pole piece, the negative pole piece is installed in the positive plate outside to negative pole piece externally mounted has the second mount. This low temperature plasma exhaust gas purifier is equipped with the conveyer belt, and degree of automation is higher, practices thrift a large amount of manpower and materials, and bactericidal effect is good, the effectual speed that improves disinfect.

Description

A low-temperature plasma exhaust gas purifier

technical field

The utility model relates to the technical field of waste gas purification, in particular to a low-temperature plasma waste gas purifier.

Background technique

Low-temperature plasma is the fourth state of matter after solid state, liquid state, and gas state. When the applied voltage reaches the ignition voltage of the gas, the gas molecules are broken down to produce a mixture including electrons, various ions, atoms, and free radicals. , Although the electron temperature is very high during the low-temperature plasma discharge process, the heavy particle temperature is very low, and the whole system presents a low-temperature state, so it is called low-temperature plasma.

Generally, low-temperature plasma produces extremely high chemically active particles, and the pollutants in the exhaust gas react with these active particles, and finally convert into carbon dioxide and water to purify the exhaust gas. However, low-temperature plasma generators When discharging through a single electrode, the discharge efficiency is relatively low, and the contact with the exhaust gas is not complete when the exhaust gas is purified, resulting in the incomplete purification of the exhaust gas.

Contents of the invention

The purpose of this utility model is to provide a low-temperature plasma exhaust gas purifier to solve the problems of poor discharge efficiency of low-temperature plasma generators on the market and poor exhaust gas purification effect due to incomplete contact with exhaust gas proposed in the above background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions: a low-temperature plasma exhaust gas purifier, including an air inlet, a box body is installed outside the air inlet, a filter screen is installed inside the box body, and the box body A high-pressure plasma door is fixed on the outside, and a support frame is installed at the lower end of the box body. A deflector is connected to the outside of the filter, and a high-pressure plasma door is installed on the right side of the deflector, and a dust collecting plate is fixed inside the deflector. The right side of the high-pressure plasma door is provided with a low-pressure plasma door, and a first fixed frame is installed outside the high-pressure plasma door, and an air outlet is installed on the right side of the low-pressure plasma door, and a second fixed frame is arranged outside the low-pressure plasma door. An electrode rod is installed inside the first fixing frame, and a central column is fixed inside the first fixing frame, a deflector is installed inside the second fixing frame, and an air outlet is provided on the right side of the second fixing frame, and the guide A positive electrode sheet is connected to the outside of the flow plate, and a negative electrode sheet is arranged on the right side of the deflector, and a negative electrode sheet is installed on the outside of the positive electrode sheet, and a second fixing frame is installed on the outside of the negative electrode sheet.

Preferably, the inside of the filter is a folded filter with a mesh diameter of 0.1-0.5 mm.

Preferably, the electrode rods are evenly distributed inside the first fixing frame in a staggered shape, and the electrode rods are distributed symmetrically about the center line of the central column.

Preferably, the exterior of the positive electrode sheet and the negative electrode sheet both have a corrugated structure, and the distance between the positive electrode sheet and the negative electrode sheet is 5 cm.

Preferably, the dust collecting plates are evenly distributed on the surface of the deflector in an inclined structure, and the inclination angle of the dust collecting plates is 110°, and the inclination angle of the end of the dust collecting plate near the filter screen is smaller than the inclination angle of the end of the far filter screen.

Compared with the prior art, the beneficial effect of the utility model is that the low-temperature plasma exhaust gas purifier is easy to use, has high internal discharge efficiency, and can fully contact the exhaust gas, and has relatively high exhaust gas purification efficiency. The filter screen of the device plays the role of the first layer of filtration to filter out the larger particles in the exhaust gas, and the electrode rods are staggered inside the first fixed frame to effectively discharge the exhaust gas, and the exhaust gas passes through the wavy positive electrode The positive and negative plates can effectively purify the exhaust gas, and the purification effect is good. When the exhaust gas passes through the dust collecting plate, the small particles in the exhaust gas will be intercepted by the dust collecting plate, which further plays a role in filtering. The effect of improving the purification effect of the whole device.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is a schematic diagram of the top view structure of the first fixed frame of the utility model;

Fig. 3 is a side view structural schematic diagram of the first fixed frame of the present invention;

Fig. 4 is a schematic diagram of the top view of the second fixed frame of the utility model;

Fig. 5 is a schematic diagram of the enlarged structure at A in Fig. 1 of the present utility model.

In the figure: 1. air inlet, 2. box body, 3. filter screen, 4. deflector, 5. support frame, 6. high-pressure plasma door, 7. low-pressure plasma door, 8. air outlet, 9. the first A fixed frame, 10, electrode rod, 11, central column, 12, second fixed frame, 13, deflector plate, 14, positive electrode sheet, 15, negative electrode sheet, 16, dust collecting plate.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figures 1-5, the utility model provides a technical solution: a low-temperature plasma exhaust gas purifier, including an air inlet 1, a box body 2 is installed outside the air inlet 1, and a filter screen 3 is installed inside the box body 2 , and a high-pressure plasma door 6 is fixed outside the box body 2, and a support frame 5 is installed at the lower end of the box body 2, a deflector 4 is connected to the outside of the filter screen 3, and a high-pressure plasma door 6 is installed on the right side of the deflector 4, and The inside of the deflector 4 is fixed with a dust collecting plate 16, and the inside of the filter screen 3 is a folded filter screen with a mesh diameter of 0.1-0.5 mm. The filter screen 3 with this structure can effectively remove large particles of pollutants in the exhaust gas. Filter out to prevent large particles of pollutants from entering the device and affect the exhaust gas purification effect. The dust collection plate 16 is evenly distributed on the surface of the deflector 4 in an inclined structure, and the inclination angle of the dust collection plate 16 is 110°, and the dust collection The inclination angle of the 3 ends of the plate 16 near the filter screen is smaller than the inclination angle of the 3 ends of the far filter screen. The dust collecting plate 16 of this structure plays a role of filtering. When the exhaust gas filtered by the filter screen 3 passes through the dust collecting plate 16, the dust collecting plate 16 can intercept the small particles in the exhaust gas, and the small particles will accumulate in the depression between the dust collecting plate 16 and the deflector 4 to improve the effect of exhaust gas purification. The right side of the high-pressure plasma door 6 is provided with a low-pressure plasma door 7 , and the high-voltage plasma door 6 is equipped with a first fixed frame 9, the right side of the low-pressure plasma door 7 is equipped with an air outlet 8, and the low-voltage plasma door 7 is equipped with a second fixed frame 12, and the first fixed frame 9 is equipped with an electrode Rods 10, and a central column 11 is fixed inside the first fixed frame 9, and the electrode rods 10 are evenly distributed inside the first fixed frame 9 in a staggered shape, and the electrode rods 10 are symmetrically distributed about the center line of the central column 11. The electrode rod 10 can effectively discharge the waste gas, so that the waste gas can be discharged, and the discharge efficiency is relatively high. The second fixed frame 12 is equipped with a deflector 13, and the right side of the second fixed frame 12 is provided with an air outlet. 8. The positive pole piece 14 is connected to the outside of the deflector plate 13, and the negative pole piece 15 is arranged on the right side of the wind deflector plate 13, and the negative pole piece 15 is installed on the outside of the positive pole piece 14, and the second fixing frame 12 is installed outside the negative pole piece 15. The outside of sheet 14 and negative electrode sheet 15 are both wave-shaped structures, and the distance between positive electrode sheet 14 and negative electrode sheet 15 is 5cm. The positive electrode sheet 14 and negative electrode sheet 15 of this structure play the role of purified exhaust gas, so that when exhaust gas passes through When the positive electrode sheet 14 and the negative electrode sheet 15 are connected, the exhaust gas will hit the positive electrode sheet 14 or the negative electrode sheet 15, so that the positive electrode sheet 14 and the negative electrode sheet 15 can contact the exhaust gas for many times, so that the exhaust gas purification effect is better.

Working principle: When using the low-temperature plasma exhaust gas purifier, first install the device in a suitable place, start the whole device first, and then spray the exhaust gas to condense the particulate matter in the exhaust gas, and then spray The treated exhaust gas is introduced into the box body 2 through the air inlet 1, and the filter screen 3 in the box body 2 will intercept relatively large condensed particulate matter, and then the gas filtered by the filter screen 3 passes through the deflector 4 At this time, some exhaust gas hits the dust collecting plate 16, and then the dust will accumulate in the groove formed by the dust collecting plate 16 and the deflector 4, so that the dust collecting plate 16 on the deflector 4 plays the role of filtering again. Afterwards, the filtered exhaust gas will pass through the first fixed frame 9, and the electrode rod 10 in the first fixed frame 9 will discharge the exhaust gas, so that an environment including electrons, various ions, atoms and free radicals will be formed in the exhaust gas. When this mixture passes through the positive electrode sheet 14 and the negative electrode sheet 15 in the second fixed frame 12, the ground pressure plasma electric field generated by the positive electrode sheet 14 and the negative electrode sheet 15 will purify the mixture of the waste gas, and the waste gas When the mixture passes through the wavy positive electrode sheet 14 and negative electrode sheet 15, the mixture of exhaust gas will hit the positive electrode sheet 14 or negative electrode sheet 15, so that the mixture of exhaust gas will fully contact the positive electrode sheet 14 and negative electrode sheet 15, and the purification effect is relatively good. Well, then the purified gas is discharged through the gas outlet 8, thereby completing a series of work.

Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art can modify the technical solutions described in the aforementioned embodiments, or perform equivalent replacements for some of the technical features. Within the spirit and principles of the utility model, any modification, equivalent replacement, improvement, etc., should be included in the protection scope of the utility model.

Claims (5)

1. a kind of low temperature plasma waste gas cleaning device, including air inlet（1）, it is characterised in that：The air inlet（1）Outside installation There is babinet（2）, the babinet（2）Inside is equipped with filter screen（3）, and babinet（2）External stability has high pressure plasma door（6）, And babinet（2）Lower end is equipped with supporting rack（5）, the filter screen（3）It is externally connected to deflector（4）, and deflector（4）It is right Side is equipped with high pressure plasma door（6）, and deflector（4）Inside is fixed with collecting plate（16）, the high pressure plasma door（6） Right is provided with low-voltage plasma door（7）, and high pressure plasma door（6）Outside is equipped with the first fixed frame（9）, described low pressure etc. Ion gate（7）Right side is equipped with gas outlet（8）, and low-voltage plasma door（7）Outside is provided with the second fixed frame（12）, described One fixed frame（9）Inside is equipped with electrode bar（10）, and the first fixed frame（9）Inside is fixed with newel（11）, described second Fixed frame（12）Inside is equipped with deflector（13）, and the second fixed frame（12）Right is provided with gas outlet（8）, the deflector （13）It is externally connected to positive plate（14）, and deflector（13）Right side is provided with negative plate（15）, the positive plate（14）Outside Negative plate is installed（15）, and negative plate（15）Outside is equipped with the second fixed frame（12）.

2. a kind of low temperature plasma waste gas cleaning device according to claim 1, it is characterised in that：The filter screen（3）It is interior Portion is folding filter screen, and its mesh diameter is 0.1-0.5mm.

3. a kind of low temperature plasma waste gas cleaning device according to claim 1, it is characterised in that：The electrode bar（10）It is in It is staggered to be evenly distributed on the first fixed frame（9）Inside, and electrode bar（10）About newel（11）Center line is symmetrical Distribution.

4. a kind of low temperature plasma waste gas cleaning device according to claim 1, it is characterised in that：The positive plate（14）With Negative plate（15）Outside is wavy shaped configuration, and positive plate（14）With negative plate（15）The distance between be 5cm.

5. a kind of low temperature plasma waste gas cleaning device according to claim 1, it is characterised in that：The collecting plate（16）It is in Incline structure is evenly distributed on deflector（4）Surface, and collecting plate（16）Angle of inclination is 110 °, and collecting plate（16）Closely Filter screen（3）Angle of inclination is held to be less than remote filter screen（3）Hold angle of inclination.