CN213643692U - Exhaust gas treatment system - Google Patents
Exhaust gas treatment system Download PDFInfo
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- CN213643692U CN213643692U CN202022186307.9U CN202022186307U CN213643692U CN 213643692 U CN213643692 U CN 213643692U CN 202022186307 U CN202022186307 U CN 202022186307U CN 213643692 U CN213643692 U CN 213643692U
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- spray tower
- treatment system
- waste gas
- filter screen
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Abstract
The utility model discloses a waste gas treatment system, which comprises a horizontal spray tower, a vertical spray tower and a purification unit in sequence along the airflow direction; the vertical spray tower is used for neutralizing the waste gas through a treating agent, and the purification unit is used for removing the peculiar smell of the treated waste gas; the horizontal spray tower is internally provided with at least one particle filter screen and a spray head assembly used for spraying liquid towards the particle filter screen, the particle filter screen is obliquely arranged, one side, close to the air inlet, of the horizontal spray tower is provided with a baffle, and the baffle is connected to the top end of the horizontal spray tower and extends downwards. The utility model discloses a horizontal spray column, vertical spray column and purification unit carry out purification treatment to waste gas in proper order, and be equipped with the granule filter screen that baffle and slope set up in the horizontal spray column, can change the area of contact of waste gas flow direction and increase waste gas and granule filter screen, and filtration efficiency is high, is favorable to improving entire system's treatment effeciency.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to an exhaust-gas treatment technical field especially relates to an exhaust-gas treatment system.
[ background of the invention ]
In the crosslinked polyolefin foaming industry, a large amount of N is generated in the process of foaming an extruded sheet by a foaming furnace2、CO、NH3、CO2And the like, which not only harm human health but also pollute the environment if directly discharged, so that the gas generated in the foaming process needs to be treated and then discharged. The spray tower is generally used for treating the waste gas, but in the prior art, the liquid sprayed out from the spray head cannot be in full contact with the waste gas, and the treatment efficiency is low. In view of the above, it is desirable to provide an exhaust gas treatment system to overcome the above-mentioned drawbacks.
[ Utility model ] content
The utility model aims at providing an exhaust-gas treatment system handles the waste gas that produces in the foaming process, simple structure, and the treatment effeciency is high.
In order to achieve the purpose, the utility model provides an exhaust gas treatment system, which comprises a horizontal spray tower, a vertical spray tower and a purification unit in sequence along the airflow direction; the vertical spray tower is used for neutralizing the waste gas through a treating agent, and the purification unit is used for removing the peculiar smell of the treated waste gas; the horizontal spray tower is internally provided with at least one particle filter screen and a spray head assembly used for spraying liquid towards the particle filter screen, the particle filter screen is obliquely arranged, one side, close to the air inlet, of the horizontal spray tower is provided with a baffle, and the baffle is connected to the top end of the horizontal spray tower and extends downwards.
In a preferred embodiment, the spray head assembly is connected to the cleaning tank by a liquid pump, and the spray head assembly comprises a plurality of spray heads.
In a preferred embodiment, one end of the particle filter screen is connected to the top end of the horizontal spray tower through a first support plate, the other end of the particle filter screen is connected to the bottom end of the horizontal spray tower through a second support plate, the second support plate is provided with an opening, and the horizontal spray tower is communicated with the cleaning tank.
In a preferred embodiment, the baffle and the first support plate are respectively welded to the top end of the horizontal spray tower, the second support plate is welded to the bottom end of the horizontal spray tower, and the baffle, the first support plate and the second support plate are made of metal plates through bending.
In a preferred embodiment, at least two packing layers are arranged in the vertical spray tower along the longitudinal direction, a liquid distributor is arranged above each packing layer, a circulation tank is arranged at the bottom of the vertical spray tower, and the liquid distributors are connected with the circulation tank through a liquid extraction pump.
In a preferred embodiment, a treating agent adding unit for adding a treating agent into the circulation tank is provided outside the vertical spray tower, and the treating agent adding unit includes a plurality of agent storage tanks.
In a preferred embodiment, each of the agent reservoirs is connected to the circulation tank via an extraction pipe, and the circulation tank is in communication with the washing tank.
In a preferred embodiment, the bottom of the vertical spray tower is provided with an air inlet, the top of the vertical spray tower is provided with an air outlet, and the top of the vertical spray tower is provided with a defogging plate close to the air outlet.
In a preferred embodiment, centrifugal fans are respectively arranged at the air inlet of the horizontal spray tower and the air outlet of the purification unit.
In a preferred embodiment, the purification unit includes a plasma generator and an activated carbon adsorption layer sequentially arranged in a gas flow direction.
The beneficial effects of the utility model reside in that: through horizontal spray column, vertical spray column and purification unit in proper order to waste gas purification treatment, and be equipped with the granule filter screen that baffle and slope set up in the horizontal spray column, can change waste gas flow direction and increase waste gas and granule filter screen's area of contact, filtration efficiency is high, is favorable to improving entire system's treatment effeciency.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of an exhaust gas treatment system according to a preferred embodiment of the present invention;
fig. 2 is a perspective view of the horizontal spray tower and the cleaning tank according to the preferred embodiment of the present invention.
The reference numbers illustrate: the device comprises a horizontal spray tower 10, a particle filter screen 11, a spray head assembly 12, an infusion pump 121, a baffle 13, a first support plate 14, a second support plate 15, an opening 151, an observation window 16, a vertical spray tower 20, a packing layer 21, a liquid distributor 22, a circulating tank 23, a purifying unit 30, a plasma generator 31, an activated carbon adsorption layer 32, a cleaning tank 40, a treating agent adding unit 50, an agent storage tank 51, an infusion pipe 52 and a centrifugal fan 60.
[ detailed description ] embodiments
In order to make the objects, technical solutions and advantageous technical effects of the present invention more clearly understood, the present invention is further described in detail with reference to the accompanying drawings and the following detailed description. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration only and not by way of limitation.
Referring to fig. 1 and 2, an embodiment of the present invention provides an exhaust gas treatment system, which sequentially includes a horizontal spray tower 10, a vertical spray tower 20, and a purification unit 30 along an airflow direction. The vertical spray tower 20 is used for neutralizing the waste gas through the treating agent, and the purification unit 30 is used for removing the peculiar smell of the treated waste gas. Specifically, at least one particle filter screen 11 and a spray head assembly 12 for spraying liquid towards the particle filter screen 11 are arranged in the horizontal spray tower 10, the particle filter screen 11 is arranged in an inclined manner, a baffle 13 is arranged on one side, close to the air inlet, in the horizontal spray tower 10, and the baffle 13 is connected to the top end of the horizontal spray tower 10 and extends downwards.
Specifically, the spray head assembly 12 is connected to the cleaning tank 40 through the liquid pump 121, and the spray head assembly 12 includes a plurality of spray heads. In this embodiment, a plurality of shower nozzles are arranged on spray pipe in the matrix, form the even face that sprays in horizontal spray column 10.
One end of the particle filter screen 11 is connected to the top end of the horizontal spray tower 10 through a first support plate 14, the other end of the particle filter screen 11 is connected to the bottom end of the horizontal spray tower 10 through a second support plate 15, the second support plate 15 is provided with an opening 151, and the horizontal spray tower 10 is communicated with the cleaning tank 40. In this embodiment, the washed large particulate matter flows into the cleaning tank 40 through the opening 151, and finally the cleaning tank 40 can be cleaned manually.
In this embodiment, the baffle 13 and the first supporting plate 14 are respectively welded to the top end of the horizontal spray tower 10, the second supporting plate 15 is welded to the bottom end of the horizontal spray tower 10, and the baffle 13, the first supporting plate 14 and the second supporting plate 15 are made of metal plates by bending. Further, an observation window 16 is further arranged on the outer wall of the horizontal spray tower 10, so that the internal condition of the horizontal spray tower 10 can be observed conveniently.
At least two packing layers 21 are longitudinally arranged in the vertical spray tower 20, a liquid distributor 22 is arranged above each packing layer 21, a circulating pool 23 is arranged at the bottom of the vertical spray tower 20, and the liquid distributor 22 is connected with the circulating pool 23 through a liquid pump. In this embodiment, the packing layer 21 is a mass transfer device of a gas-liquid two-phase contact member, and the packing layer 21 includes a support plate, a pressure plate and a packing clamped between the support plate and the pressure plate, so as to prevent the ascending gas flow from blowing the packing; the spraying liquid is sprayed on the packing from the top through the liquid distributor 22 and flows down along the surface of the packing, the gas is sent from the bottom of the vertical spraying tower 20, is distributed by the liquid distributor 22 and continuously passes through the gaps of the packing layer 21 in a countercurrent way with the liquid, the gas phase and the liquid phase are closely contacted, and finally the liquid flows into the circulating pool 23 for recycling.
A treating agent adding unit 50 for adding a treating agent into the circulation tank 23 is provided outside the vertical spray tower 20, and the treating agent adding unit 50 includes a plurality of agent storage tanks 51. The treating agent is dissolved in the circulating tank 23 and can be chemically reacted with sewage formed by gas-liquid contact, so that waste gas is purified, flocculation can be formed on the circulating tank 23 to generate solid residues, the solid residues can be bagged and treated independently, and the liquid in the circulating tank can be recycled. In this embodiment, the waste gas is generated in the process of foaming the sheet material, the sewage formed by gas-liquid contact is alkaline, and the treating agent stored in the agent storage tank 51 is an acidic solution for neutralizing the alkaline gas.
Specifically, each agent storage tank 51 is connected to the circulation tank 23 via an extraction pipe 52, and the treatment agent is automatically extracted via the extraction pipe 52. The circulation tank 23 is connected to the washing tank 40, and when the liquid (for example, tap water) is evaporated too much, the liquid can be pumped and replenished to make the liquid amount sufficient.
The bottom of the vertical spray tower 20 is provided with an air inlet, the top of the vertical spray tower 20 is provided with an air outlet, and the top of the vertical spray tower 20 is provided with a demisting plate near the air outlet for dehydrating the treated waste gas.
The air inlet of the horizontal spray tower 10 and the air outlet of the purification unit 30 are both provided with a centrifugal fan 60, the centrifugal fan 60 is connected with the waste gas discharge port of the foaming device and the air inlet of the horizontal spray tower 10 or the air outlet of the purification unit 30 through a stainless steel air pipe, so that waste gas is pumped into a waste gas treatment system and is discharged into the atmosphere after treatment.
The purification unit 30 comprises a plasma generator 31 and an active carbon adsorption layer 32 which are sequentially arranged along the airflow direction, the molecular chain fracture is generated by the waste gas treated by the horizontal spray tower 10 through high-energy plasma bombardment, and the active carbon adsorption is used for further purification, so that the peculiar smell in the waste gas is removed.
The embodiment of the utility model provides a waste gas treatment system carries out purification treatment to waste gas through horizontal spray column 10, vertical spray column 20 and purification unit 30 in proper order, and is equipped with the particle filtration net 11 that baffle 13 and slope set up in the horizontal spray column 10, can change the area of contact of waste gas flow direction and increase waste gas and particle filtration net 11, and filtration efficiency is high, is favorable to improving entire system's treatment effeciency.
The invention is not limited solely to that described in the specification and the embodiments, and additional advantages and modifications will readily occur to those skilled in the art, and it is not intended to be limited to the specific details, representative apparatus, and illustrative examples shown and described herein, without departing from the spirit and scope of the general concept as defined by the appended claims and their equivalents.
Claims (10)
1. A waste gas treatment system comprises a horizontal spray tower, a vertical spray tower and a purification unit in sequence along the airflow direction; the vertical spray tower is used for neutralizing the waste gas through a treating agent, and the purification unit is used for removing the peculiar smell of the treated waste gas; the particle spray tower is characterized in that at least one particle filter screen and a spray head assembly used for spraying liquid towards the particle filter screen are arranged in the horizontal spray tower, the particle filter screen is arranged in an inclined mode, a baffle is arranged on one side, close to an air inlet, in the horizontal spray tower, and the baffle is connected to the top end of the horizontal spray tower and extends downwards.
2. The exhaust treatment system of claim 1, wherein the spray head assembly is coupled to the purge tank via an extraction pump, the spray head assembly including a plurality of spray heads.
3. The exhaust gas treatment system of claim 2, wherein one end of the particle filter screen is connected to the top end of the horizontal spray tower through a first support plate, the other end of the particle filter screen is connected to the bottom end of the horizontal spray tower through a second support plate, the second support plate is provided with an opening, and the horizontal spray tower is communicated with the cleaning tank.
4. The exhaust gas treatment system of claim 3, wherein the baffle and the first support plate are respectively welded to the top end of the horizontal spray tower, the second support plate is welded to the bottom end of the horizontal spray tower, and the baffle, the first support plate and the second support plate are all made of bent sheet metal.
5. The waste gas treatment system of claim 2, wherein at least two packing layers are arranged in the vertical spray tower along the longitudinal direction, a liquid distributor is arranged above each packing layer, a circulation tank is arranged at the bottom of the vertical spray tower, and the liquid distributors are connected with the circulation tank through a liquid extraction pump.
6. The exhaust gas treatment system according to claim 5, wherein a treating agent addition unit for adding a treating agent into the circulation tank is provided outside the vertical spray tower, and the treating agent addition unit includes a plurality of agent storage tanks.
7. The exhaust gas treatment system of claim 6, wherein each storage tank is connected to the circulation tank via an extraction pipe, the circulation tank being in communication with the purge tank.
8. The exhaust gas treatment system of claim 5, wherein the vertical spray tower is provided with an air inlet at the bottom, an air outlet at the top and a demister at the top near the air outlet.
9. The exhaust gas treatment system of claim 1, wherein centrifugal fans are disposed at the air inlet of the horizontal spray tower and the air outlet of the purification unit.
10. The exhaust gas treatment system according to claim 1, wherein the purification unit includes a plasma generator and an activated carbon adsorption layer arranged in this order in a gas flow direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022186307.9U CN213643692U (en) | 2020-09-29 | 2020-09-29 | Exhaust gas treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022186307.9U CN213643692U (en) | 2020-09-29 | 2020-09-29 | Exhaust gas treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213643692U true CN213643692U (en) | 2021-07-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022186307.9U Active CN213643692U (en) | 2020-09-29 | 2020-09-29 | Exhaust gas treatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213643692U (en) |
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2020
- 2020-09-29 CN CN202022186307.9U patent/CN213643692U/en active Active
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