CN214715543U - Exhaust gas washing device - Google Patents
Exhaust gas washing device Download PDFInfo
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- CN214715543U CN214715543U CN202120975314.9U CN202120975314U CN214715543U CN 214715543 U CN214715543 U CN 214715543U CN 202120975314 U CN202120975314 U CN 202120975314U CN 214715543 U CN214715543 U CN 214715543U
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Abstract
The utility model provides a waste gas washing device relates to exhaust-gas treatment technical field. The waste gas washing device comprises a box body, a packing layer and a spraying assembly; the two sides of the box body are respectively provided with an air inlet and an air outlet, and the air inlet and the air outlet are distributed at intervals along the horizontal direction; the packing layer is horizontally arranged in the box body; the spraying assembly comprises a spraying pipeline, the spraying pipeline penetrates through the top of the box body and then extends into the box body, and a spraying outlet is formed in the spraying pipeline. This exhaust gas washing device has alleviated the scrubbing tower that is used for handling waste gas that exists among the prior art highly higher, and the tower internal packing layer is also higher with the terrain clearance that sprays the pipeline, need borrow ladder or scaffold frame when installation or change pack, has certain danger to the high of the sight window and the access hole that set up on the tower body is higher, is not convenient for daily patrol and overhaul's technical problem.
Description
Technical Field
The utility model belongs to the technical field of the exhaust-gas treatment technique and specifically relates to a waste gas washing device is related to.
Background
The scrubber is a common waste gas treatment device and is divided into three types according to the gas-liquid contact state. The first type is a plate tower, a bubbling absorption tower and a stirring bubbling absorption tower, wherein gas is dispersed in a liquid phase in a bubble form; the second type is an ejector, a venturi, a spray tower in which liquid is dispersed in a gas phase in the form of droplets; the third type is a packed absorption column and a falling film absorption column in which liquid contacts with a gas phase in a film-like motion.
The third tower is filled with packing layer, waste gas enters the packing layer via the gas distributor after entering the tower from the side wall of the tower, and the packing layer has sprayed liquid distributed from the liquid distributing disc or the spraying pipe to form one liquid film on the packing layer. When gas flows through the filler gap, the gas is contacted with the filler liquid film and is subjected to absorption or neutralization reaction, gas-liquid two phases are closely contacted on the surface of the filler for mass transfer, the waste gas enters the circulating absorption liquid through the gas-liquid mass transfer effect and is subjected to chemical reaction with the medicament in the absorption liquid, and inorganic salt dissolved in water is generated, so that pollutants in the waste gas are purified. And the gas after absorption or neutralization is collected by a demister and then is discharged out of the tower through a wind gap at the top of the tower.
However, the washing tower is generally high, the height of the packing layer and the spraying pipeline from the ground is also high, a ladder or a scaffold needs to be borrowed when the packing is installed or replaced, certain danger exists, and the height of a sight window and an access hole arranged on the tower body is high, so that daily inspection and overhaul are not convenient.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an exhaust gas washing device to alleviate the scrubbing tower that is used for handling waste gas that exists among the prior art highly higher, the tower internal packing layer is also higher with the terrain clearance that sprays the pipeline, need borrow ladder or scaffold frame when installation or change pack, has certain danger, and the high height of the sight window and the access hole that set up on the tower body is higher, is not convenient for daily patrol and the technical problem who overhauls.
In a first aspect, the utility model provides an exhaust gas washing device, which comprises a box body, a packing layer and a spraying assembly;
an air inlet and an air outlet are respectively arranged on two sides of the box body, and the air inlet and the air outlet are distributed at intervals along the horizontal direction;
the packing layer is horizontally arranged in the box body; the spraying assembly comprises a spraying pipeline, the spraying pipeline penetrates through the top of the box body and then extends into the box body, and a spraying outlet is formed in the spraying pipeline.
In an alternative embodiment, the side wall of the box body is provided with an access opening and a viewing window.
In an optional embodiment, the air conditioner further comprises a demister, wherein the demister comprises an inlet and an outlet, and the inlet of the demister is communicated with the air outlet of the box body.
In an optional embodiment, the air distributor is mounted at the air inlet.
In an alternative embodiment, the spray assembly further comprises a liquid container, a liquid supply line and a liquid pump;
one end of the liquid supply pipeline is communicated with the liquid container, and the other end of the liquid supply pipeline is communicated with the spraying pipeline; the liquid pump is installed in the liquid container or the liquid supply line.
In an alternative embodiment, a liquid outlet is arranged on the side wall of the box body near the bottom, and the liquid outlet is communicated with the liquid container.
In an alternative embodiment, at least one of a ph detector, a conductivity detector and a level meter is installed in the liquid container.
In an alternative embodiment, a pressure difference detector is mounted on a side wall of the tank body, and the pressure difference detector is used for detecting the pressure difference between the inside of the tank body and the outside.
In an alternative embodiment, the vertical section of the box is quadrilateral.
In an optional embodiment, the number of the box bodies is multiple, and the box bodies are distributed along the horizontal direction and are sequentially communicated;
and the packing layer and the spraying pipeline are arranged in each box body.
The utility model provides a waste gas washing device which comprises a box body, a packing layer and a spraying assembly; the two sides of the box body are respectively provided with an air inlet and an air outlet, and the air inlet and the air outlet are distributed at intervals along the horizontal direction; the packing layer is horizontally arranged in the box body; the spraying assembly comprises a spraying pipeline, the spraying pipeline penetrates through the top of the box body and then extends into the box body, and a spraying outlet is formed in the spraying pipeline. The utility model provides a box among the exhaust gas washing device is used for built-in packing layer and spray assembly to can guarantee that the packing in the box can carry out purification treatment to waste gas. Because the air inlet and the air outlet of the box body are distributed on the box body at intervals along the horizontal direction, the waste gas flows in the box body along the horizontal direction, and at the moment, the waste gas washing device can be regarded as a horizontal washing tower. This horizontal scrubbing tower can guarantee the exhaust-gas treatment effect through the length that extends the packing layer on the horizontal direction, namely, this horizontal scrubbing tower can guarantee the exhaust-gas treatment efficiency of scrubbing tower through the mode of getting the height with length trade, consequently this horizontal scrubbing tower can reduce packing layer and spray assembly's terrain clearance and reduce the height of looking window and access hole on the tower body, thereby make the staff stand and can change packing operation and daily inspection, maintenance work subaerial, not only can reduce high altitude construction, guarantee staff's safety, and can promote work efficiency.
Compared with the prior art, the utility model provides a waste gas washing device is through the air intake and the air outlet with the box along horizontal direction interval distribution on the box, can reduce packing layer and spray set's terrain clearance and reduce the tower body and go up the height of viewing window and access hole to can reduce high altitude construction and promote work efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a front view of an exhaust gas washing device according to an embodiment of the present invention;
fig. 2 is a side view of an exhaust gas scrubbing apparatus according to an embodiment of the present invention;
fig. 3 is a top view of an exhaust gas scrubbing device according to an embodiment of the present invention.
Icon: 1-a box body; 10-air inlet; 11-an air outlet; 12-differential pressure detector access; 2-a spray assembly; 20-a spray pipeline; 200-a nozzle; 21-a liquid container; 210-a drain opening; 211-overflow; 212-a pH value detector mounting port; 213-conductivity detector mounting port; 214-a level gauge mounting port; 215-fluid infusion port; 22-liquid supply pipeline; 220-pressure gauge; 221-medicine adding port; 23-a liquid pump; 3, a maintenance port; 4-view window; 5-a filler filling port; 6-a demister; 7-vent.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Some embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.
Example (b):
as shown in fig. 1, 2 and 3, the exhaust gas scrubbing apparatus provided in the present embodiment includes a tank 1, a packing layer, and a shower assembly 2. An air inlet 10 and an air outlet 11 are respectively arranged on two sides of the box body 1, and the air inlet 10 and the air outlet 11 are distributed at intervals along the horizontal direction. The packing layer is horizontally arranged in the box body 1; the spraying assembly 2 comprises a spraying pipeline 20, the spraying pipeline 20 penetrates through the top of the box body 1 and then extends into the box body 1, and a spraying outlet is formed in the spraying pipeline 20.
The box body 1 in the waste gas washing device provided by the embodiment is used for internally installing the packing layer and the spraying assembly 2, so that the waste gas can be purified by the packing in the box body 1. Since the air inlet 10 and the air outlet 11 of the box 1 are distributed on the box 1 at intervals along the horizontal direction, the exhaust gas flows in the box 1 along the horizontal direction, and at this time, the exhaust gas washing device can be regarded as a horizontal washing tower. This horizontal scrubbing tower can guarantee the exhaust-gas treatment effect through the length that extends the packing layer on the horizontal direction, namely, this horizontal scrubbing tower can guarantee the exhaust-gas treatment efficiency of scrubbing tower through the mode of getting the height with length trade, consequently this horizontal scrubbing tower can reduce packing layer and spray assembly 2's terrain clearance and reduce the tower body on look window 4 and access hole 3's height, thereby make the staff stand and can change packing operation and daily inspection, maintenance work subaerial, not only can reduce high altitude construction, guarantee staff's safety, and can promote work efficiency.
Compared with the prior art, the waste gas washing device that this embodiment provided can reduce packing layer and spray component 2's terrain clearance and reduce the tower body and go up the height of viewing window 4 and access hole 3 through air intake 10 with box 1 and air outlet 11 along horizontal direction interval distribution on box 1 to can reduce high altitude construction and promote work efficiency.
It can be seen that the waste gas washing device that this embodiment provided has alleviated the height that is used for handling the scrubbing tower of waste gas that exists among the prior art and has higher, and the tower internal packing layer is also higher with the terrain clearance of spraying the pipeline, need live ladder or scaffold by borrowing when installation or change pack, has certain danger to the high of sight window and access hole that set up on the tower body is higher, is not convenient for daily technical problem who patrols and overhaul.
In order to ensure the stability of the conventional vertical scrubber, the transverse cross-section of the conventional vertical scrubber is generally circular. The washing tower is usually made of PP (polypropylene, abbreviated as PP) plate or FRP (Fiber Reinforced Polymer, abbreviated as FRP) plate. Due to the limitation of the plate processing technology, the diameter of the vertical washing tower is usually small, and a tower body with a large diameter cannot be manufactured, so that the vertical washing tower cannot be applied to a scene with large air volume.
The washing tower provided by the embodiment is a horizontal washing tower, and the height of the washing tower is low, so that the shape of the horizontal washing tower is not limited, and in order to simplify the manufacturing process of the washing tower, the vertical section of the box body 1 of the horizontal washing tower is preferably a rectangle such as a rectangle or a square, and the like, at this time, the volume of the horizontal washing tower can not be limited by the processing technology, and the volume of the horizontal washing tower can be expanded, so that the horizontal washing tower can be suitable for a scene with large air volume.
Because the packing layer is the core of the horizontal washing tower and provides a contact surface of gas phase and liquid phase in the horizontal washing tower, the packing layer has to have larger specific surface area, higher void ratio, good wettability and corrosion resistance, and meanwhile, in order to ensure that the packing layer has good mechanical strength and lower density, the packing layer in the embodiment preferably adopts cheap raschig ring packing, pall ring packing, saddle-shaped packing, and the like.
As shown in fig. 1 to 3, the side wall of the cabinet 1 may be provided with an access opening 3 and a viewing window 4.
Because the waste gas washing device of this embodiment is horizontal scrubbing tower, therefore the liftoff height of access hole 3 and window 4 on the box 1 lateral wall all can reduce to the staff of being convenient for carries out routine maintenance operation to this horizontal scrubbing tower.
The number and the installation positions of the access holes 3 and the view windows 4 are not limited, and the access holes can be selected according to actual requirements.
In this embodiment, the top of the tank 1 may be provided with a filler filling port 5, and the filler filling port 5 facilitates the replenishment of the filler layer in the tank 1 with new filler.
As shown in fig. 1 and fig. 3, the exhaust gas washing device provided by the present embodiment further includes a demister 6, the demister 6 includes an inlet and an outlet, and the inlet of the demister 6 is communicated with the air outlet 11 of the tank 1.
It can be seen that the demister 6 can improve the deodorization effect of the exhaust gas washing device, so that the gas discharged to the outside is easier to reach the emission standard.
Wherein, the demister 6 may be internally filled with a filler for removing moisture. In order to facilitate observation of the demisting operation and maintenance of the demister 6, the demister 6 can be provided with a filler filling port 5 and a viewing window 4.
Since the demister 6 has an existing structure, the detailed structure and working principle of the demister 6 are not described in detail in this embodiment.
The supporting framework of the packing layer in the box body 1 and the supporting framework of the packing in the demister 6 can be made of corrosion-resistant materials such as PP, PVC (Polyvinyl chloride, abbreviated as PVC), CPVC (chlorinated Polyvinyl chloride, abbreviated as CPVC), and the like.
The exhaust gas washing device provided by the present embodiment may further include a gas distributor installed at the air inlet 10.
The gas distributor is used for carding the gas to be washed which enters the box body 1 from the air inlet 10 of the box body 1, so that the gas to be washed can uniformly and stably flow through the packing layer.
The gas distributor is of an existing structure, and therefore the specific structure and the working principle of the gas distributor are not described in detail in this embodiment.
As shown in fig. 1, the spray assembly 2 further includes a liquid container 21, a liquid supply line 22, and a liquid pump 23. One end of the liquid supply pipeline 22 is communicated with the liquid container 21, and the other end is communicated with the spraying pipeline 20; the liquid pump 23 is installed in the liquid container 21 or on the liquid supply line 22.
The liquid container 21 is used for storing water for the spraying assembly 2, so that a sufficient water source is available for spraying operation; the liquid pump 23 is used to accelerate the liquid flow speed in the spray assembly 2, so as to ensure the normal spraying operation.
Wherein, a spray nozzle 200 may be disposed on the spray outlet of the spray pipeline 20. The liquid supply line 22 may be provided with a solenoid valve.
Further, in order to ensure stable air pressure in the box body 1 and the liquid container 21, the box body 1 and the liquid container 21 can be provided with air vents 7.
As shown in fig. 3, the liquid container 21 may further include a fluid infusion port 215.
To support and raise the liquid container 21, the bottom of the liquid container 21 may be provided with a base on which the liquid container 21 is fixed.
As shown in fig. 2 and 3, a drain opening 210 and an overflow opening 211 may be further disposed on a side wall of the liquid container 21, the drain opening 210 facilitates cleaning of the liquid container 21, and the overflow opening 211 prevents an excessive liquid level in the liquid container 21.
In this embodiment, a liquid discharge port may be provided in a side wall of the case 1 near the bottom, and the liquid discharge port communicates with the liquid container 21.
The liquid discharge port is used for communicating the position of the box body 1 close to the bottom with the liquid container 21, so that the moisture accumulated at the bottom of the box body 1 is conveniently discharged into the liquid container 21, and the influence of the excessive moisture accumulated in the box body 1 on the normal use of the packing layer can be prevented.
Further, at least one of a ph detector, a conductivity detector, and a level meter is installed in the liquid container 21.
Specifically, as shown in fig. 1, a ph detector mounting port 212, a conductivity detector mounting port 213, and a level meter mounting port 214 may be disposed on a side wall of the liquid container 21, the ph detector is mounted at the ph detector mounting port 212, the conductivity detector is mounted at the conductivity detector mounting port 213, and the level meter is mounted at the level meter mounting port 214.
The pH value detector is used for detecting the pH value of the liquid in the liquid container 21, so that a worker can conveniently control the working environment of the filler of the waste gas washing device and can conveniently adjust the pH value of the liquid in time.
In the process of deodorization, pollutant components in the waste gas can participate in the reaction to generate inorganic salt dissolved in water, so that the concentration of the inorganic salt in the liquid can be gradually increased along with the progress of the washing process of the waste gas, and then a large amount of scale is easily accumulated in the box body 1 and the liquid container 21. The conductivity detector can be used for detecting the concentration of inorganic salt in liquid, so that the liquid in the box body 1 and the liquid container 21 can be conveniently replaced by workers in time, and a large amount of scale is prevented from being accumulated in the box body 1 and the liquid container 21.
The liquid level meter is used for detecting the liquid level height in the liquid container 21, so that the staff can adjust the liquid storage in the liquid container 21 in time.
In the present embodiment, a pressure difference detector for detecting a pressure difference between the inside of the case 1 and the outside is installed on a side wall of the case 1.
The pressure difference detector is convenient for the staff to judge whether the environment in the box body 1 is in the normal range, and then is convenient for guarantee the normal operation of the waste gas washing operation.
Specifically, as shown in fig. 1, a pressure difference detector inlet 12 may be provided on a sidewall of the case 1, and the pressure difference detector is installed in the pressure difference detector inlet 12.
In practical applications, the differential pressure detector may employ an existing differential pressure transmitter.
Wherein, can also install manometer 220 on spray assembly 2's the liquid supply pipeline 22, manometer 220 is used for detecting the inside pressure of liquid supply pipeline 22 to the staff of being convenient for learns in real time that the liquid pressure in spray assembly 2 sprays the operation and whether can normally go on in order to judge.
In this embodiment, the liquid supply pipeline 22 of the spray assembly 2 may further be provided with a flow sensor, and the flow sensor is used for detecting the liquid flow inside the spray assembly 2.
As shown in fig. 1, the liquid supply line 22 may further include a chemical adding port 221, and the chemical adding port 221 facilitates the supply of a chemical capable of reacting with the exhaust gas into the housing 1 through the liquid supply line 22, thereby facilitating the continuous operation of the exhaust gas scrubbing apparatus.
Further, the exhaust gas scrubbing device provided by the embodiment may further include a power supply, a frequency converter, and a control cabinet. The controller is installed in the control cabinet, and the frequency converter can be connected with the controller.
The controller may be a programmable logic controller, and may be connected to electrical components of the exhaust gas washing device, such as a ph detector, a conductivity detector, a liquid level meter, the liquid pump 23, and an electromagnetic valve, to control automatic operation processes of the electrical components.
In this embodiment, the box 1 may be a plurality of boxes, and the plurality of boxes 1 are distributed along the horizontal direction and are sequentially communicated. Each box body 1 is internally provided with a packing layer and a spraying pipeline 20.
A plurality of box 1 are convenient for extend the length of packing layer and guarantee the exhaust-gas treatment effect on the horizontal direction, and the concrete quantity of box 1 does not have the restriction, can select according to actual demand.
The thicknesses of the structures such as the box body 1, the liquid container 21 and the like of the waste gas washing device can be designed according to the washing operation condition, and then the waste gas washing device is ensured to have enough strength to meet the operation load of each device of the waste gas washing device.
Further, the housing 1 and the liquid container 21 of the exhaust gas washing device may be made of the same material.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. A waste gas washing device is characterized by comprising a box body (1), a packing layer and a spraying assembly (2);
an air inlet (10) and an air outlet (11) are respectively arranged on two sides of the box body (1), and the air inlet (10) and the air outlet (11) are distributed at intervals along the horizontal direction;
the packing layer is horizontally arranged in the box body (1); the spraying assembly (2) comprises a spraying pipeline (20), the spraying pipeline (20) penetrates through the top of the box body (1) and then extends into the box body (1), and a spraying outlet is formed in the spraying pipeline (20).
2. An exhaust gas scrubbing apparatus as claimed in claim 1, wherein the side walls of said tank (1) are provided with access openings (3) and sight windows (4).
3. An exhaust gas scrubbing apparatus as claimed in claim 1, further comprising a demister (6), said demister (6) comprising an inlet and an outlet, said inlet of said demister (6) communicating with said outlet opening (11) of said tank (1).
4. The exhaust gas scrubbing apparatus of claim 1, further comprising a gas distributor mounted at said air inlet (10).
5. An exhaust gas scrubbing apparatus as claimed in claim 1, wherein said spray assembly (2) further comprises a liquid container (21), a liquid supply line (22) and a liquid pump (23);
one end of the liquid supply pipeline (22) is communicated with the liquid container (21), and the other end of the liquid supply pipeline is communicated with the spraying pipeline (20); the liquid pump (23) is mounted in the liquid container (21) or on the liquid supply line (22).
6. An exhaust gas scrubbing apparatus as claimed in claim 5, wherein said tank (1) is provided with a drain opening in a side wall thereof near the bottom thereof, said drain opening communicating with said liquid container (21).
7. The exhaust gas scrubbing apparatus according to claim 6, wherein at least one of a pH value detector, a conductivity detector and a liquid level meter is installed in said liquid container (21).
8. An exhaust gas scrubbing apparatus as claimed in claim 1, wherein a pressure difference detector is mounted on a side wall of said tank (1) for detecting a pressure difference between the inside of said tank (1) and the outside.
9. An exhaust gas scrubbing apparatus as claimed in claim 1, wherein said tank (1) is quadrilateral in vertical cross-section.
10. An exhaust gas scrubbing apparatus as claimed in any one of claims 1 to 9, wherein said tank (1) is plural, and said plural tanks (1) are distributed in a horizontal direction and are communicated in sequence;
the packing layer and the spraying pipeline (20) are arranged in each box body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120975314.9U CN214715543U (en) | 2021-05-08 | 2021-05-08 | Exhaust gas washing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120975314.9U CN214715543U (en) | 2021-05-08 | 2021-05-08 | Exhaust gas washing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214715543U true CN214715543U (en) | 2021-11-16 |
Family
ID=78620021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120975314.9U Active CN214715543U (en) | 2021-05-08 | 2021-05-08 | Exhaust gas washing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214715543U (en) |
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2021
- 2021-05-08 CN CN202120975314.9U patent/CN214715543U/en active Active
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