CN210845845U - Environment-friendly spray purification tower for rapidly treating waste gas - Google Patents
Environment-friendly spray purification tower for rapidly treating waste gas Download PDFInfo
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- CN210845845U CN210845845U CN201921162749.0U CN201921162749U CN210845845U CN 210845845 U CN210845845 U CN 210845845U CN 201921162749 U CN201921162749 U CN 201921162749U CN 210845845 U CN210845845 U CN 210845845U
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Abstract
The utility model discloses an environment-friendly spray purification tower for rapidly treating waste gas, which comprises a tower body, an air inlet pipe, an air outlet pipe, a spray pipe and a liquid conveying pipe; the interior of the tower body is sequentially provided with a spray pipe, a packing layer and a liquid storage tank from top to bottom; a spray pipe is arranged above the packing layer, the spray pipe is connected with a liquid conveying pipe, the liquid conveying pipe is connected with a liquid storage tank through a corrosion-resistant water pump, the packing layer comprises a packing support plate and a waist-shaped packing frame, the packing support plate is a grid plate, the waist-shaped packing frame is arranged on the packing support plate, packing A is arranged in the waist-shaped packing frame, and packing B is arranged between the waist-shaped packing frame and a tower body support of the spray tower in a filling manner; the outlet duct is connected with the high-efficiency filter box, and the high-efficiency filter box is connected with the chimney through the fan. The utility model has the advantages of small occupied area and convenient installation; the indexes of water consumption and power consumption are low; corrosion resistance, no abrasion and long service life; the equipment is reliable in operation and simple and convenient to maintain; and after the waste gas of the spray tower is purified, the waste gas is fully absorbed by the activated carbon box body.
Description
Technical Field
The invention relates to the technical field of waste gas treatment, in particular to an environment-friendly spray purification tower for rapidly treating waste gas.
Background
The treatment of chemical waste gas usually requires a spray washing treatment, and harmful gases in the waste gas such as sulfuric acid, hydrochloric acid, hydrogen fluoride gas, chromic acid mist (CrO3), HCN gas, nitric acid, ammonia gas (NH3), alkali vapor and the like.
The existing waste gas spraying equipment is mainly a vertical cylindrical spraying tower, and the main problems of the spraying tower in the prior art are that: 1. the purifying effect of the spray tower is poor, the main reason is that the spray tower uses a packing layer as a medium for gas-liquid two-phase contact, gas is fed from the bottom of the tower, and enters the packing after being distributed by a gas distribution device, when liquid flows downwards along the packing, the wall flow phenomenon can occur, the gas-liquid two phases are unevenly distributed in the packing layer due to the wall flow phenomenon, the mass transfer efficiency is reduced, and the purifying effect of spray washing is poor; 2. the wall flow phenomenon is reduced in the prior art by adopting a measure of increasing the volume of the spray tower, so that the spray tower occupies a large area and is high in cost.
Disclosure of Invention
In order to solve the problems, the invention discloses an environment-friendly spray purification tower for rapidly treating waste gas, which effectively relieves the wall flow phenomenon, improves the mass transfer efficiency, has good purification effect, high purification speed, small occupied area, low cost, reliable equipment operation and simple and convenient maintenance.
In order to achieve the above purpose, the invention provides the following technical scheme:
an environment-friendly spray purification tower for rapidly treating waste gas comprises a spray tower, an active carbon high-efficiency filter box, a fan and a chimney, wherein the spray tower comprises a tower body, an air inlet pipe, an air outlet pipe, a spray pipe and a liquid conveying pipe; a spray pipe, a packing layer and a liquid storage tank are sequentially arranged in the tower body from top to bottom; the tower is characterized in that one side of the bottom of the tower body is connected with an air inlet pipe, the air inlet pipe is positioned below a packing layer, a spray pipe is arranged above the packing layer, the spray pipe is connected with a spray head, the spray pipe is connected with a liquid conveying pipe, the liquid conveying pipe is connected with a liquid storage tank through a corrosion-resistant water pump, the packing layer comprises a packing support plate and a waist-shaped packing frame, the packing support plate is a grid plate, the packing support plate is fixedly welded on the inner wall of the tower body of the spray tower, the waist-shaped packing frame is arranged on the packing support plate, a packing A is arranged in the waist-shaped packing frame, and a packing B is filled;
the outlet duct is connected with the high-efficiency filter box, and the high-efficiency filter box is connected with the chimney through the fan.
Further, the last welding of shower distributes the cover, it is the toper to distribute the cover, it is equipped with the distribution hole to distribute to cover, the distribution hole is located the middle part that distributes the cover. The setting of distribution cover makes shower head spun spray water can not surpass the distribution cover on the one hand, reduces the ascending circulation of steam, and on the other hand, the distribution cover is for controlling the flue gas for the flue gas is from the middle part upward movement of distribution cover, because spray water also sprays out from the middle part of spray column, makes the effect of two contacts of gas-liquid of flue gas and spray water more obvious.
Further, the filler layer includes two layers. The two packing layers are arranged, so that the spraying effect is better, and the adsorption effect is good.
Further, the filler A is one of a Raschig ring, a multi-surface hollow sphere, a ladder ring, a pall ring and a liquid surface covering sphere. The filler made of polypropylene plastic comprises a polyhedral hollow sphere, a stepped ring, a pall ring, a liquid level covering ball and the like, is suitable for being used in a wastewater treatment device in the field of environmental protection, and has the characteristics of high flying speed, more blades, small resistance, large full-humidity specific surface area, high temperature resistance, corrosion resistance, good surface hydrophilicity, low spraying density and the like.
Further, the filler B is honeycomb filler. The honeycomb filler is characterized by large wet circumference, small hydraulic radius, good laminar flow state and no interference of particle deposition by flocculation flow.
Further, the liquid storage tank is communicated with and connected with a circulating water tank, and the corrosion-resistant water pump is connected with the circulating water tank. A water treatment medicine box is arranged in the circulating water tank, the PH is adjusted, and an adsorbent layer is arranged for purifying spray water.
The invention has the following beneficial effects:
1. the equipment occupies less land and is convenient to install; 2. the indexes of water consumption and power consumption are low; 3. corrosion resistance, no abrasion and long service life; 4. the equipment is reliable in operation and simple and convenient to maintain; 5. and after the waste gas of the spray tower is purified, the waste gas is fully absorbed by the activated carbon box body.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the packing layer structure of the present invention;
fig. 3 is a schematic structural diagram of the distribution cover of the present invention.
Wherein: the device comprises a spray tower 1, an active carbon high-efficiency filter box 2, a fan 3, a chimney 4, a tower body 5, an air inlet pipe 6, an air outlet pipe 7, a spray pipe 8, a liquid conveying pipe 9, a packing layer 10, a packing support plate 101, a waist-shaped packing frame 102, a liquid storage box 11, a spray header 12, a corrosion-resistant water pump 13, a packing A14, a packing B15, a distribution cover 16, a distribution hole 17, a circulating water tank 18, an observation port 19 and an inspection port 20.
Detailed Description
The present invention will be further illustrated with reference to the accompanying drawings and specific embodiments, which are to be understood as merely illustrative of the invention and not as limiting the scope of the invention.
Example 1
As shown in fig. 1-3, the environment-friendly spray purification tower for rapidly treating waste gas comprises a spray tower 1, an active carbon high-efficiency filter box 2, a fan 3 and a chimney 4, wherein the spray tower comprises a tower body 5, an air inlet pipe 6, an air outlet pipe 7, a spray pipe 8 and a liquid conveying pipe 9; the interior of the tower body is sequentially provided with a spray pipe 8, a packing layer 10 and a liquid storage tank 11 from top to bottom; one side of the bottom of the tower body is connected with an air inlet pipe 6, the air inlet pipe 6 is positioned below a packing layer 10, a spray pipe 8 is arranged above the packing layer 10, the spray pipe 8 is connected with a spray head 12, the spray pipe 8 is connected with a liquid conveying pipe 9, the liquid conveying pipe 9 is connected with a liquid storage tank 11 through a corrosion-resistant water pump 13, the packing layer 10 comprises a packing support plate 101 and a waist-shaped packing frame 102, the packing support plate is a grid plate, the packing support plate is fixedly welded on the inner wall of the tower body of a spray tower, the waist-shaped packing frame is arranged on the packing support plate, a packing A14 is arranged in the waist-shaped packing frame, and a;
the air outlet pipe 7 is connected with the high-efficiency filter box 2, and the high-efficiency filter box 2 is connected with the chimney 4 through the fan 3.
In this embodiment, as shown in fig. 2, the waist-shaped stuffing frame includes a conical upper part, a flat middle part and a conical lower part, and is arranged to divide the stuffing into two parts of stuffing a and stuffing B, wherein the stuffing a is one of a raschig ring, a polyhedral hollow ball, a stepped ring, a pall ring and a liquid level covering ball. The filler made of polypropylene plastic comprises a polyhedral hollow sphere, a stepped ring, a pall ring, a liquid level covering ball and the like, is suitable for being used in a wastewater treatment device in the field of environmental protection, and has the characteristics of high flying speed, more blades, small resistance, large full-humidity specific surface area, high temperature resistance, corrosion resistance, good surface hydrophilicity, low spraying density and the like. The filler B is honeycomb filler, and the pores of the honeycomb filler are vertically arranged. The honeycomb filler is characterized by large wet circumference, small hydraulic radius, good laminar flow state and no interference of particle deposition by flocculation flow. The filler B enables the spray water to be directly left after being sprayed, and the honeycomb filler is not easy to flow on the wall and is of a direct-flow type, so that the waste gas is directly contacted with the spray water, and the waste gas is effectively washed.
In this embodiment, as shown in fig. 3, a distribution cover 16 is welded on the shower pipe, the distribution cover is conical, and distribution holes 17 are formed in the distribution cover and located in the middle of the distribution cover. The setting of distribution cover makes shower head spun spray water can not surpass the distribution cover on the one hand, reduces the ascending circulation of steam, and on the other hand, the distribution cover is for controlling the flue gas for the flue gas is from the middle part upward movement of distribution cover, because spray water also sprays out from the middle part of spray column, makes the effect of two contacts of gas-liquid of flue gas and spray water more obvious.
In this embodiment, the filler layer comprises two layers. The two packing layers are arranged, so that the spraying effect is better, and the adsorption effect is good.
In this embodiment, the liquid storage tank is connected to the circulation water tank 18 in communication therewith, and the corrosion-resistant water pump is connected to the circulation water tank. A water treatment medicine box is arranged in the circulating water tank, the PH is adjusted, and an adsorbent layer is arranged for purifying spray water.
In this embodiment, the spray tower body is provided with an observation port 19 and an access port 20.
In this embodiment:
the size of the spray tower is as follows: phi 1000X3800mm
The material is as follows: 304 stainless steel, 2.0mm thick.
The packing layer in the spray tower is used as mass transfer equipment of a gas-liquid two-phase contact component. The bottom of the packed tower is provided with a packing support plate, and the support plate is provided with a waist-shaped packing frame. The filler A is placed in the waist-shaped filler frame in a random stacking mode, and the filler B is arranged outside the waist-shaped filler frame (namely the waist-shaped filler frame and the tower body support) in a random stacking mode. The spray liquid of the spray tower is sprayed on the packing from the top of the tower through a liquid distributor (spray header) and flows down along the surface of the packing. Gas is fed from the bottom of the tower, and after being distributed by the gas distribution device, the gas and the liquid continuously pass through the gaps of the packing layer in a countercurrent manner, and the gas phase and the liquid phase are closely contacted on the surface of the packing layer for mass transfer. And the packing layer in the spray tower is divided into two sections, the middle of the packing layer is provided with a redistribution device, and the packing layer is redistributed and then sprayed on the lower-layer packing.
The working process is as follows: the waste gas of the curing furnace is introduced into the spray tower by an air pipe, passes through the two packing layers, is fully purified by high-pressure atomization to be fully contacted with gas and liquid for absorption and neutralization reaction, then enters the active carbon high-efficiency filter cartridge for gas-liquid-carbon three-phase full contact absorption, and the acid mist waste gas is purified and then is discharged into the atmosphere by a fan after being dehydrated and demisted by a demisting plate. The filtered and purified water is sprayed down at the tower top after being pressurized by a water pump at the tower bottom, and finally flows back to the tower bottom for recycling.
The technical means disclosed in the invention scheme are not limited to the technical means disclosed in the above embodiments, but also include the technical scheme formed by any combination of the above technical features. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and such improvements and modifications are also considered to be within the scope of the present invention.
Claims (6)
1. The utility model provides an environment-friendly that rapid treatment waste gas sprays purifying column which characterized in that: the device comprises a spray tower, an active carbon high-efficiency filter box, a fan and a chimney, wherein the spray tower comprises a tower body, an air inlet pipe, an air outlet pipe, a spray pipe and a liquid conveying pipe; a spray pipe, a packing layer and a liquid storage tank are sequentially arranged in the tower body from top to bottom; the tower is characterized in that one side of the bottom of the tower body is connected with an air inlet pipe, the air inlet pipe is positioned below a packing layer, a spray pipe is arranged above the packing layer, the spray pipe is connected with a spray head, the spray pipe is connected with a liquid conveying pipe, the liquid conveying pipe is connected with a liquid storage tank through a corrosion-resistant water pump, the packing layer comprises a packing support plate and a waist-shaped packing frame, the packing support plate is a grid plate, the packing support plate is fixedly welded on the inner wall of the tower body of the spray tower, the waist-shaped packing frame is arranged on the packing support plate, a packing A is arranged in the waist-shaped packing frame, and a packing B is filled; the outlet duct is connected with the high-efficiency filter box, and the high-efficiency filter box is connected with the chimney through the fan.
2. The environment-friendly spray purification tower for rapidly treating exhaust gas as claimed in claim 1, wherein: the spray pipe is welded with the distribution cover, the distribution cover is conical, distribution holes are formed in the distribution cover, and the distribution holes are located in the middle of the distribution cover.
3. The environment-friendly spray purification tower for rapidly treating exhaust gas as claimed in claim 1, wherein: the filler layer comprises two layers.
4. The environment-friendly spray purification tower for rapidly treating exhaust gas as claimed in claim 1, wherein: the filler A is one of a Raschig ring, a polyhedral hollow sphere, a ladder ring, a pall ring and a liquid level covering sphere.
5. The environment-friendly spray purification tower for rapidly treating exhaust gas as claimed in claim 4, wherein: the filler B is honeycomb filler.
6. The environment-friendly spray purification tower for rapidly treating exhaust gas as claimed in claim 5, wherein: the liquid storage tank is communicated with and connected with a circulating water tank, and the corrosion-resistant water pump is connected with the circulating water tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921162749.0U CN210845845U (en) | 2019-07-23 | 2019-07-23 | Environment-friendly spray purification tower for rapidly treating waste gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921162749.0U CN210845845U (en) | 2019-07-23 | 2019-07-23 | Environment-friendly spray purification tower for rapidly treating waste gas |
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| CN210845845U true CN210845845U (en) | 2020-06-26 |
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| CN201921162749.0U Active CN210845845U (en) | 2019-07-23 | 2019-07-23 | Environment-friendly spray purification tower for rapidly treating waste gas |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114042375A (en) * | 2021-11-09 | 2022-02-15 | 张红娟 | Chemical processing waste gas purification tower |
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2019
- 2019-07-23 CN CN201921162749.0U patent/CN210845845U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114042375A (en) * | 2021-11-09 | 2022-02-15 | 张红娟 | Chemical processing waste gas purification tower |
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