CN209865731U - Advanced Oxidation Coupled Scrubbing Exhaust Gas Purification Tower - Google Patents

Abstract

The utility model relates to an advanced oxidation coupling washing waste gas purification tower, which belongs to the technical field of industrial waste gas purification treatment. Including the tower body, an air inlet is set on the bottom side of the tower body, and an air outlet is set on the top of the tower body; the tower body is equipped with a high-energy particle beam generator, a perforated air distribution plate, a primary spray absorption system, and a water spraying system from bottom to top. system, defogging layer; the high-energy particle beam generator is located below the air inlet. After the utility model oxidizes, washes and defoggs the waste gas, it meets the discharge standard of the waste gas treatment.

Description

Advanced Oxidation Coupled Scrubbing Exhaust Gas Purification Tower

technical field

The utility model relates to an advanced oxidation coupling washing waste gas purification tower, which belongs to the technical field of industrial waste gas purification treatment.

Background technique

In the waste gas treatment process of low-concentration volatile organic compounds, such as organic sulfur, organic amines, aromatics and other organic waste gases, due to the characteristics of low concentration, high odor, poor water solubility, and molecular stability, the combustion method, biological method, plasma and other technologies cannot be used. Meet governance compliance requirements. Therefore, it is particularly necessary to develop advanced coupled oxidation exhaust gas purification equipment.

Utility model content

The purpose of the utility model is to provide an advanced oxidation coupling scrubbing waste gas purification tower, which can meet the discharge standard of waste gas treatment after oxidizing, washing and defogging the waste gas.

The advanced oxidation coupling scrubbing exhaust gas purification tower described in the utility model includes a tower body, an air inlet is provided on one side of the bottom of the tower body, and an air outlet is provided on the top of the tower body; a high-energy particle beam generator, Perforated air distribution plate, primary spray absorption system, clear water spray system, defogging layer; the high-energy particle beam generator is located below the air inlet;

The primary spray absorption system includes a primary spray layer, a packing layer is arranged on the primary spray layer, and a primary spray port is provided through the tower body on one side of the primary spray layer, and the primary spray port is connected to the primary circulation pump through a pipeline. The circulating pump is connected to the primary circulating water tank, and the primary circulating water tank is connected to the bottom of the tower body;

The clean water spray system includes a clean water spray layer, a clean water collection slant plate is arranged along the inner wall of the tower under the clean water spray layer, and a clean water collection plate is arranged under the clean water collection slant plate, and the clean water collection plate corresponds to the clean water spray layer and the clean water collection slant plate The clean water collecting plate is connected to the clean water circulating water tank through the pipeline, and the clean water circulating water tank is connected to the clean water circulating pump. One side of the clean water spray layer runs through the tower body and is provided with a clean water spray port, and the clean water circulating pump is connected to the clean water spray port through the pipeline.

Exhaust gas enters from the air inlet, and the high-energy particle beam generator is installed under the air inlet. The high-energy ion beam can generate high-energy ions such as ozone and hydrogen radicals through high-voltage discharge. The high-energy ions can oxidize the pollutant molecules in the exhaust gas, Chain breaking, mineralization, and after passing through the perforated gas distribution plate, the gas is dispersed more evenly, and the exhaust gas continues to rise, and then passes through the primary spray layer for washing and packing layer adsorption, and the exhaust gas continues to rise from the side of the clean water collection plate, and passes through the clean water spray layer After washing, it goes through the demisting layer to remove water, and becomes exhaust gas that meets the emission standards, and is discharged through the air outlet.

The primary spray layer and packing layer are at least two layers stacked at intervals. The washing and adsorption effect is better, and the exhaust gas purification effect is better.

The primary spray layer includes a primary spray layer, a secondary spray layer and a tertiary spray layer; the packing layer includes a primary packing layer and a secondary packing layer; a primary packing layer is arranged above the primary spraying layer ;A secondary spraying layer is set above the primary packing layer, and a secondary packing layer is set above the secondary spraying layer; a third spraying layer is set above the secondary packing layer; Spray outlets, one side of the second-level spray layer runs through the tower body to set up a second-level spray outlet, one side of the third-level spray layer runs through the tower body to set up a third-level spray outlet, the first-level spray outlet, the second-level spray outlet and the The three-stage spray ports are respectively connected in parallel with the primary circulation pump through pipelines.

The fillers of the primary packing layer and the secondary packing layer are bamboo charcoal made in cylinders.

The filler of the filler layer is bamboo charcoal made in a tube.

A spray agent can be added to the primary circulating water tank, and the spray agent is a mixture of hydrogen peroxide, ferrous sulfate and dilute sulfuric acid.

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

1. The high-energy ion beam in the utility model can generate high-energy ions such as ozone and hydrogen radicals through high-voltage discharge. The high-energy ions can oxidize, break chains, and mineralize pollutant molecules in the exhaust gas. Two-stage spraying is adopted, and Separately recycle the clean water of the clear water spray system, and set a packing layer in the primary spray to increase the specific surface area, allowing the gas and liquid to fully contact and adsorb the gas. Meet emission standards for waste gas treatment.

2. Spray chemicals are added to the primary spray water tank, using the Fenton-like principle, using hydrogen peroxide as the oxidant, and ferrous sulfate as the liquid-phase catalyst to fully stimulate the oxidation performance of hydroxyl radicals. Large specific surface area allows full contact between gas and liquid. By adjusting the spray agent in the primary spray tank and adjusting the pH value of the spray liquid in the primary spray tank, ferric hydroxide colloid can be produced to capture exhaust gas components. , the captured mixture continues to undergo secondary oxidation in the circulating water tank, so as to meet the emission standards for exhaust gas treatment.

3. The perforated gas distribution plate is used to ensure the uniformity of the gas and facilitate the purification of the gas.

4. Adopt multi-layer countercurrent atomization spraying to ensure full mixing of gas and liquid.

5. The equipment is sprayed with two kinds of media, the lower part is sprayed with chemicals, and the upper part is sprayed with water, which can realize the washing of the oxidized water-soluble small molecular acid.

6. The top defogging adopts cyclone defogging to ensure that there is no mist entrainment.

Description of drawings

Fig. 1 is a schematic structural view of an embodiment of the utility model.

In the figure: 1. High-energy particle beam generator 2. Air inlet 3. Perforated gas distribution plate 4. Primary spray layer 5. First manhole with sight glass 6. Primary packing layer 7. Secondary spray layer 8. The second manhole with mirror 9, the second packing layer 10, the third spray layer 11, the third manhole with mirror 12, the manhole 13, the defogging layer 14, the air outlet 15, and the water spray layer 16. Clean water spray port 17, clean water collection inclined plate 18, clean water collection tray 19, third-stage spray port 20, second pair of mirrors 21, secondary spray port 22, primary spray port 23, clean water circulation Pump 24, clean water circulating water tank 25, primary circulating pump 26, primary circulating water tank 27, first pair of mirrors 28, third pair of mirrors 29, tower body.

Arrows in the figure indicate the flow direction of spray water and spray clear water.

Detailed ways

The technical solutions in the embodiments of the present invention will be further clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention:

Example 1

As shown in Figure 1, the advanced oxidation coupling scrubbing exhaust gas purification tower described in the utility model includes a tower body 29, an air inlet 2 is provided on one side of the bottom of the tower body 29, and an air outlet 14 is provided at the top of the tower body 29; A high-energy particle beam generator 1, a perforated air distribution plate 3, a primary spray absorption system, a clear water spray system, and a defogging layer 13 are provided in sequence from bottom to top; the high-energy particle beam generator 1 is located below the air inlet 2;

The primary spray absorption system includes a primary spray layer, a packing layer is arranged on the primary spray layer, and a primary spray port is provided through the tower body 29 on one side of the primary spray layer, and the primary spray port is connected to the primary circulating pump 25 through a pipeline. , the primary circulating pump 25 is connected to the primary circulating water tank 26, and the primary circulating water tank 26 is connected to the bottom of the tower body 29;

The clear water spraying system comprises a clear water spraying layer 15, and a clear water collecting sloping plate 17 is arranged along the inner wall of the tower body 29 below the clear water spraying layer 15, and a clear water collecting plate 18 is arranged under the clear water collecting sloping plate 17, and the clear water collecting plate 18 corresponds to the clear water spraying plate. The spray layer 15 and the clean water collection slant plate 17 are set, the clean water collecting plate 18 is connected to the clean water circulating water tank 24 through the pipeline, the clean water circulating water tank 24 is connected to the clean water circulating pump 23, and the clean water spray layer 15 side runs through the tower body 29 and is provided with clean water spraying Port 16, and the clean water circulation pump 23 is connected to the clean water spray port 16 through a pipeline. The clear water is sent into the clear water spray outlet 16 by the clear water circulation tank by the clear water circulation pump, after being sprayed through the clear water spray layer 15, after being collected by the clear water collecting tray 18, it enters the clear water circulation tank. The clean water circulates in the clean water circulation pump, the clean water spray layer, the clean water collecting inclined plate, the clean water collecting pan and the clean water circulation box.

The primary spray layer and the filler layer are stacked at least two layers apart.

The primary spray layer includes a primary spray layer 4, a secondary spray layer 7 and a tertiary spray layer 10; the packing layer includes a primary packing layer 6 and a secondary packing layer 9; Level packing layer 6; a secondary spraying layer 7 is set above the primary packing layer 6; a secondary packing layer 9 is set above the secondary spraying layer 7; a tertiary spraying layer 10 is set above the secondary packing layer 9; One side of the spray layer 4 runs through the tower body 29 to set a first-level spray port 22, one side of the second-level spray layer 7 runs through the tower body 29 to set a second-level spray port 21, and one side of the third-level spray layer 10 runs through the tower body 29. The tertiary spray port 19 , the primary spray port 22 , the secondary spray port 21 and the tertiary spray port 19 are respectively connected in parallel with the primary circulation pump 25 through pipelines.

The fillers of the primary filler layer 6 and the secondary filler layer 9 are bamboo charcoal made of cylinders.

The filler of the filler layer is bamboo charcoal made in a tube.

Spray medicament can be added in the primary circulating water tank 26, and the spray medicament is a mixture of hydrogen peroxide, ferrous sulfate and dilute sulfuric acid. The preparation method of the spray agent mixture is as follows: the amount of hydrogen peroxide per cubic meter of waste gas is 0.0004-0.0008 liters, ferrous sulfate is 0.0001-0.0008 grams, and dilute sulfuric acid is only used to adjust the pH value, and the pH value is between 1 and 5. It has been successfully applied in Guangxin sludge drying waste gas, Nanjing Weier chemical waste gas, and Luhua peanut oil fried seed workshop waste gas. Odor and non-methane total hydrocarbons are discharged up to the standard.

The equipment is made of anti-oxidation materials, such as unsaturated vinyl resin fiberglass and so on.

A first manhole 5 with sight glass is provided on the tower wall between the first packing layer and the second spray layer, and the first pair of open sight mirrors 27 are correspondingly opened on the other side of the tower wall; the second packing layer and the third spray layer The second manhole 8 with sight glass is set on the tower wall between them, and the second pair of sight glass 20 is opened correspondingly on the other side of the tower wall; Mirror manhole 11, the other side of the tower wall correspondingly offers the 3rd pair of open-view mirrors 28. A manhole 12 is provided on the tower wall on one side of the mist removal layer 13 . It is convenient for staff to enter and exit and observe.

Working process or working principle:

Exhaust gas enters from the air inlet, and the high-energy particle beam generator is installed under the air inlet. The high-energy ion beam can generate high-energy ions such as ozone and hydrogen radicals through high-voltage discharge. The high-energy ions can oxidize the pollutant molecules in the exhaust gas, Chain breaking, mineralization, and after passing through the perforated gas distribution plate, the gas is dispersed more evenly, and the exhaust gas continues to rise, and then goes through the first-level spray layer washing, the first-level packing layer adsorption, the second spray layer washing, and the second-level packing layer adsorption And three-stage spray layer washing, the exhaust gas continues to rise from the side of the clean water collection tray, after being washed by the clean water spray layer, and then dewatered by the demister layer, it becomes exhaust gas that meets the emission standards, and is discharged through the air outlet.

The description of the direction and relative position of the structure in the present invention, such as the description of front, back, left, right, up and down, does not constitute a limitation of the present invention, but is only for convenience of description.

Claims (5)

1. An advanced oxidation coupling washing waste gas purification tower is characterized by comprising a tower body (29), wherein one side of the bottom of the tower body (29) is provided with an air inlet (2), and the top of the tower body (29) is provided with an air outlet (14); a high-energy particle beam generator (1), a perforated gas distribution plate (3), a primary spray absorption system, a clear water spray system and a demisting layer (13) are sequentially arranged in the tower body (29) from bottom to top; the high-energy particle beam generator (1) is arranged below the air inlet (2);

the primary spraying absorption system comprises a primary spraying layer, a packing layer is arranged on the primary spraying layer, a primary spraying port is formed in one side of the primary spraying layer and penetrates through the tower body (29), the primary spraying port is connected with a primary circulating pump (25) through a pipeline, the primary circulating pump (25) is communicated with a primary circulating water tank (26), and the primary circulating water tank (26) is communicated with the bottom of the tower body (29);

clear water spraying system sprays layer (15) including the clear water, clear water sprays layer (15) below and is equipped with clear water along tower body (29) inner wall and gathers swash plate (17), clear water is gathered swash plate (17) below and is equipped with clear water catch tray (18), clear water catch tray (18) correspond the clear water and spray layer (15) and clear water and gather swash plate (17) setting, clear water catch tray (18) are through pipeline intercommunication clear water circulation tank (24), clear water circulation tank (24) intercommunication clear water circulating pump (23), the clear water sprays layer (15) one side and runs through tower body (29) and is equipped with clear water and sprays mouth (16), clear water circulating pump (23) are through pipeline intercommunication clear water and spray mouth (16).

2. The advanced oxidation coupled scrubbing exhaust gas purification tower of claim 1, wherein the primary spray layer and the packing layer are stacked in at least two spaced apart layers.

3. The advanced oxidation coupled scrubbing exhaust gas purification tower of claim 2, wherein the primary spray level comprises a primary spray level (4), a secondary spray level (7), and a tertiary spray level (10); the packing layer comprises a first-stage packing layer (6) and a second-stage packing layer (9); a primary packing layer (6) is arranged above the primary spraying layer (4); a secondary spraying layer (7) is arranged above the primary packing layer (6), and a secondary packing layer (9) is arranged above the secondary spraying layer (7); a third-level spraying layer (10) is arranged above the second-level packing layer (9); one side of the first-level spraying layer (4) penetrates through the tower body (29) to form a first-level spraying port (22), one side of the second-level spraying layer (7) penetrates through the tower body (29) to form a second-level spraying port (21), one side of the third-level spraying layer (10) penetrates through the tower body (29) to form a third-level spraying port (19), and the first-level spraying port (22), the second-level spraying port (21) and the third-level spraying port (19) are respectively connected with a primary circulating pump (25) in parallel through.

4. The high-grade oxidation coupling washing waste gas purification tower as claimed in claim 3, wherein the packing of the first-stage packing layer (6) and the second-stage packing layer (9) is bamboo charcoal made of a cylinder.

5. The advanced oxidation coupling washing waste gas purification tower as claimed in claim 1, wherein the packing of the packing layer is bamboo charcoal made of a cylinder.