CN212236620U - Exhaust treatment device with cooling and dust removing functions - Google Patents
Exhaust treatment device with cooling and dust removing functions Download PDFInfo
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- CN212236620U CN212236620U CN202021625154.7U CN202021625154U CN212236620U CN 212236620 U CN212236620 U CN 212236620U CN 202021625154 U CN202021625154 U CN 202021625154U CN 212236620 U CN212236620 U CN 212236620U
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Abstract
The utility model discloses a waste gas treatment device with cooling and dust removing functions, which comprises a tower body, wherein a circulating liquid storage tank is arranged at the bottom of the tower body, a grate plate is horizontally arranged at the upper part of the circulating liquid storage tank, and the grate plate is hermetically connected with the inner wall of the tower body; the tower body is provided with an air inlet, the air inlet is communicated with the circulating liquid storage tank, through holes are uniformly formed in the grate plate, a socket is formed in the center of the grate plate, the air inlet is connected with one end of a pipeline, and the other end of the pipeline penetrates through the socket and extends into the circulating liquid storage tank. The bottom surface of the grate plate is fixedly provided with a reinforcing frame. The bottom of the circulating liquid storage tank is of a funnel structure, an opening of the funnel is provided with threads matched with the mud pump, and a plug is arranged at the opening of the funnel. The technical effect of the utility model is that the setting of grate plate promotes the gas-liquid intensive mixing, and the cloth liquid is even. 2. The funnel-shaped design of circulation liquid reservoir bottom facilitates the processing sediment.
Description
Technical Field
The utility model belongs to the technical field of exhaust-gas treatment, specifically speaking relates to an exhaust-gas treatment device with cooling dust removal function.
Background
At present, according to the national requirements for environmental protection, the commonly used waste gas treatment absorption towers continuously operate throughout the year, the working condition and environmental parameters of each factory are different, and the inlet temperature of some waste gas is higher and the ash content is high. The existing waste gas purification process comprises the steps of directly passing waste gas through a packing area and a spraying area.
The problems of the above technology are:
1. the equipment is easy to damage under high temperature for a long time, and dust carried in waste gas is easy to fall in a packing area to block a gas circuit;
2. the waste gas is concentrated, the distribution is uneven, and the purification is not thorough.
Disclosure of Invention
The utility model discloses not enough more than aiming at the technical problem that solve provides a waste gas treatment process and device with cooling dust removal function, has overcome the defect that prior art exists, can be with waste gas cooling, dust removal, protection clarification plant.
In order to solve the technical problem, the technical scheme of the utility model is that:
a waste gas treatment device with a cooling and dedusting function comprises a tower body, wherein a circulating liquid storage tank is arranged at the bottom of the tower body, a grate plate is horizontally arranged at the upper part of the circulating liquid storage tank, and the grate plate is hermetically connected with the inner wall of the tower body; the tower body is provided with an air inlet which is communicated with the circulating liquid storage tank.
Preferably, the grate plate is uniformly provided with through holes, the center of the grate plate is provided with a socket, the air inlet is connected with one end of a pipeline, and the other end of the pipeline penetrates through the socket and extends into the circulating liquid storage tank.
Preferably, the bottom surface of the grate plate is fixedly provided with a reinforcing frame.
Preferably, the bottom of the circulating liquid storage pool is of a funnel structure, the opening of the funnel is provided with threads matched with the mud pump, and the opening of the funnel is provided with a plug.
Preferably, the inside of the tower body is provided with a circulating liquid storage tank, a first layer packing layer, a first layer spraying area, a second layer packing layer, a second layer spraying area, a demisting and dehydrating layer and a purified tail gas temporary storage area in sequence from the bottom to the top of the tower, and the purified tail gas temporary storage area is communicated with a gas outlet.
Preferably, the first layer of spraying area and the second layer of spraying area are respectively provided with a spraying mechanism.
The utility model adopts the above technical scheme, compare with prior art, have following advantage:
1. the arrangement of the grate plate promotes the gas-liquid to be fully mixed, and the liquid distribution is uniform; 2. the funnel-shaped design of circulation liquid reservoir bottom facilitates the processing sediment.
Drawings
Fig. 1 is a schematic structural diagram of an exhaust gas treatment device with a cooling and dust removing function in the present invention;
fig. 2 is a schematic structural view of the grate plate of the present invention.
In the figure, the position of the upper end of the main shaft,
1-a tower body, 2-an air inlet, 3-an air outlet, 4-a first packing layer, 5-a first spraying area, 6-a second spraying area, 7-a liquid distribution pipe, 8-a spray head, 10-a demisting and dewatering layer, 11-a circulating liquid storage tank, 12-a maintenance port, 13-a purified tail gas temporary storage area, 14-a pipeline, 15-a grate plate, 16-a socket, 17-a through hole, 18-a water inlet pipe, 19-a hole, 20-a sleeve, 21-a second packing layer, 22-a reinforcing frame and 23-an opening.
Detailed Description
In order to clearly understand the technical features, objects and effects of the present invention, the detailed embodiments of the present invention will be described with reference to the accompanying drawings, and those skilled in the art will understand that the following does not limit the scope of the present invention.
The embodiment provides a waste gas treatment process with a temperature reduction and dust removal function, which comprises the following steps:
firstly, gas-liquid mixing, namely directly introducing waste gas to be treated into a circulating liquid, fully mixing the waste gas with the circulating liquid, absorbing most of heat of the waste gas by the circulating liquid, and absorbing most of components and ash content which are easily absorbed by the circulating liquid in the waste gas by the circulating liquid;
and secondly, distributing gas, wherein the gas-liquid mixed waste gas rises, and the rising waste gas is uniformly distributed after passing through a grate plate arranged on the circulating liquid level. The gas and the liquid are fully mixed, and the purification is thorough;
third, a first filler layer is arranged on the first filler layer,
the first packing layer is wetted by the spraying liquid, and the waste gas is fully mixed with the circulating liquid on the surface of the first packing layer when passing through the first packing layer, so that the contact time of the spraying liquid and the tail gas to be treated is prolonged, and the absorption and reaction time is ensured;
fourthly, spraying for the first time,
spraying the waste gas in the first layer of spraying area to make the waste gas fully contact with the circulating liquid;
fifthly, a second filler layer is arranged,
the waste gas is fully mixed with the circulating liquid on the surface of the second filler layer, so that the contact time of the spraying liquid and the tail gas to be treated is prolonged, and the absorption and reaction time is ensured;
sixthly, spraying for the second time,
spraying the waste gas in a second layer of spraying area to ensure that the waste gas is fully contacted with the circulating liquid;
demisting and dehydrating, wherein the purified waste gas has a large amount of circulating liquid water vapor, and the gas meeting the environmental protection requirement is discharged from a gas outlet 3 after demisting by a demister;
eighthly, cleaning sediment, namely opening an opening 23 at the bottom of the circulating liquid storage tank 11, cleaning the sediment inside, and plugging the opening 23 by a plug. And cleaning the sediment in the circulating liquid storage tank at intervals.
The circulating liquid in the above steps is divided into three forms, and some components in the first tail gas to be treated can be dissolved in water, and then the water is used as the circulating liquid. Secondly, when the tail gas to be treated has acidic characteristics, the components of the absorption liquid are alkaline. Thirdly, when the tail gas to be treated is alkaline, the tail gas to be treated is neutralized by using an absorption liquid of acidic components.
If the liquid in the packed tower is not uniformly sprayed, the surface of the packing cannot be fully wetted, the contact area of gas and liquid in the packing layer can be reduced, and the separation efficiency is reduced. In order to prevent the liquid from flowing downwards along the surface of the filler through the tower top spraying device, the gap at the tower wall is large, the resistance is small, and the liquid tends to flow towards the tower wall gradually. To prevent this phenomenon. The packing is divided into two or more parts. The spraying is forced, and one-time spraying and uniform distribution is completed before the wall flow effect does not appear. So that the filling and spraying are always in the optimum state.
As shown in fig. 1 and 2, the device for realizing the above processes comprises a tower body 1, wherein the tower body 1 is provided with an air inlet 2 and an air outlet 3, a circulating liquid storage tank 11, a first layer packing layer 4, a first layer spraying area 5, a second layer packing layer 21, a second layer spraying area 6, a demisting dehydration layer 10 and a purified tail gas temporary storage area 13 are sequentially arranged in the tower body 1 from the bottom to the top of the tower, the air inlet 2 is communicated with a tail gas to-be-treated area 9, and the purified tail gas temporary storage area 13 is communicated with the air outlet 3.
The first layer of spraying area 5 and the second layer of spraying area 6 are respectively internally provided with a spraying mechanism, the spraying mechanism comprises a liquid distribution pipe 7, the liquid distribution pipe 7 is uniformly provided with a plurality of water outlets, and the water outlets of the liquid distribution pipe 7 are connected with spray heads 8.
The position that is connected with the closed end of liquid distribution pipe 7 on the tower body 1 inner wall has welded sleeve pipe 20, and liquid distribution pipe 7 closed end stretches to in sleeve pipe 20, and sleeve pipe 20 plays end fixed and supporting role.
The tower body 1 is provided with a hole 19, and the water inlet end of the liquid distribution pipe 7 is connected with the water inlet pipe 18 through the hole 19.
The liquid distribution pipe 7 is detachably connected with the tower body 1 and can be connected in a flange bolt mode, a buckle mode and the like.
The water inlet pipe 18 is connected with the water outlet of the liquid inlet circulating pump, and the water inlet of the liquid inlet circulating pump is connected with the circulating liquid storage tank 11. The feed circulation pump is not shown in the drawings.
The upper part of the circulating liquid storage tank 11 is horizontally provided with a grate plate 15, the grate plate 15 is a PP plate with the same inner diameter as the circulating liquid storage tank 11, and the grate plate 15 is fixedly connected with the circulating liquid storage tank 11.
The center of the grate plate 15 is provided with a socket 16, the grate plate 15 is uniformly provided with through holes 17, the diameter of each through hole 17 is 30mm, and the hole center distance is 45 mm.
A pipeline 14 is fixedly arranged in the socket 16, the air inlet end of the pipeline 14 is communicated with the air inlet 2, and the air outlet end of the pipeline 14 extends into the circulating liquid surface of the circulating liquid storage tank 11. The outlet end of the pipe 14 is hermetically connected with the socket 16.
The bottom surface of the grate plate 15 is fixedly provided with a reinforcing frame 22 to prevent the grate plate 15 from shaking up and down due to the impact of the air flow.
The bottom of the circulating liquid storage tank 11 is of a funnel structure, and an opening 23 of the funnel is connected with a slurry pump (the slurry pump is not shown in the figure) for pumping out the concentrated sediment by the slurry pump. The design of funnel prevents that impurity is too much in the circulating liquid, is sprayed the back by spray cycle system, falls to block up the gas circuit on packing, the increase pressure drop. The opening 23 of the funnel is provided with a plug during normal use.
The waste gas to be treated enters a circulating liquid storage tank 11 from an air inlet 2 through a pipeline 14, the waste gas is fully mixed with circulating liquid in the circulating liquid storage tank 11, the heat of the waste gas is reduced, most of components and ash content in the waste gas which are easy to be absorbed by the circulating liquid are absorbed, the rest waste gas passes through a through hole 17 of a grate plate 15, after gas-liquid distribution is uniform, the waste gas upwards passes through a first layer packing layer 4, enters a first layer spraying area 5, is mixed and reacted with the spraying liquid in the first layer spraying area 5 to remove a part of mixed medium, airflow is influenced by pushing and extruding of the tail gas to be treated and draught fan suction, continuously rises, passes through a second layer packing layer 21, is continuously mixed with the spraying liquid in a second layer spraying area 6, the tail gas to be treated at the moment is basically absorbed and completely, but contains rich gasified circulating liquid, when the part of gas continuously rises, passes through a demisting dehydration layer 10, and saves 80 percent of water, enters a temporary storage area 13 of the purified tail gas and then is discharged out of the tower through a gas outlet 3.
The tail gas enters the liquid and is subjected to pressure higher than the pressure of the liquid gas pipe invading the liquid depth. Compare tail gas treatment's system layout, according to this kind of operating mode environment, generally arrange the fan before going into the tower for the absorption tower is in the environment of a malleation all the time. Compared with the arrangement that the fan is arranged behind the tower and in front of the chimney, the power of the fan is 20% higher.
The foregoing is illustrative of the best mode of the invention, and details not described herein are within the common general knowledge of a person of ordinary skill in the art. The protection scope of the present invention is subject to the content of the claims, and any equivalent transformation based on the technical teaching of the present invention is also within the protection scope of the present invention.
Claims (6)
1. The utility model provides an exhaust treatment device with cooling dust removal function which characterized in that: comprises a tower body (1),
a circulating liquid storage tank (11) is arranged at the bottom of the tower body (1), a grate plate (15) is horizontally arranged at the upper part of the circulating liquid storage tank (11), and the grate plate (15) is hermetically connected with the inner wall of the tower body (1);
the tower body (1) is provided with an air inlet (2), and the air inlet (2) is communicated with a circulating liquid storage tank (11).
2. The exhaust gas treatment device with the function of temperature reduction and dust removal according to claim 1, characterized in that: through holes (17) are uniformly formed in the grate plate (15), a socket (16) is formed in the center of the grate plate (15), the air inlet (2) is connected with one end of the pipeline (14), and the other end of the pipeline (14) penetrates through the socket (16) and extends into the circulating liquid storage tank (11).
3. The exhaust gas treatment device with the function of temperature reduction and dust removal according to claim 2, characterized in that: the bottom surface of the grate plate (15) is fixedly provided with a reinforcing frame (22).
4. The exhaust gas treatment device with the function of temperature reduction and dust removal according to claim 3, characterized in that: the bottom of the circulating liquid storage pool (11) is of a funnel structure, an opening (23) of the funnel is provided with a thread matched with the slurry pump, and a plug is arranged at the opening (23) of the funnel.
5. The exhaust gas treatment device with the function of temperature reduction and dust removal according to claim 4, wherein: the tower body (1) is internally provided with a circulating liquid storage tank (11), a first layer packing layer (4), a first layer spraying area (5), a second layer packing layer (21), a second layer spraying area (6), a demisting and dehydrating layer (10) and a purified tail gas temporary storage area (13) in sequence from the bottom to the top of the tower, and the purified tail gas temporary storage area (13) is communicated with a gas outlet (3).
6. The exhaust gas treatment device with the function of temperature reduction and dust removal according to claim 5, wherein: spraying mechanisms are respectively arranged in the first layer spraying area (5) and the second layer spraying area (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021625154.7U CN212236620U (en) | 2020-08-07 | 2020-08-07 | Exhaust treatment device with cooling and dust removing functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021625154.7U CN212236620U (en) | 2020-08-07 | 2020-08-07 | Exhaust treatment device with cooling and dust removing functions |
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| Publication Number | Publication Date |
|---|---|
| CN212236620U true CN212236620U (en) | 2020-12-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021625154.7U Active CN212236620U (en) | 2020-08-07 | 2020-08-07 | Exhaust treatment device with cooling and dust removing functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212236620U (en) |
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2020
- 2020-08-07 CN CN202021625154.7U patent/CN212236620U/en active Active
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Address after: 262100 Xinan street, Anqiu City, Weifang City, Shandong Province Patentee after: Shandong Shengbao Pipeline Technology Co.,Ltd. Address before: 262100 Xinan street, Anqiu City, Weifang City, Shandong Province Patentee before: Fortune composite new material Co.,Ltd. |