WO2023082119A1

WO2023082119A1 - Waste gas tower

Info

Publication number: WO2023082119A1
Application number: PCT/CN2021/129952
Authority: WO
Inventors: 匡优新
Original assignee: 无锡星亿智能环保装备股份有限公司
Priority date: 2021-11-11
Filing date: 2021-11-11
Publication date: 2023-05-19
Also published as: CN114206475A

Abstract

Provided in the present application is a waste gas tower, comprising a tower body and a water tank, wherein a first support plate is vertically arranged at the bottom of the tower body in a surrounding manner; the tower body is supported and connected to the water tank in an overlapping manner by means of the first support plate; the first support plate divides the water tank into a water storage chamber and a dosing chamber; and the first support plate is provided with communication ports by which the water storage cavity is in communication with the dosing chamber.

Description

exhaust tower

technical field

The present application relates to the technical field of environmental protection equipment, for example, to an exhaust gas tower.

Background technique

The waste gas tower can process the waste gas emitted by some industrial production, remove the harmful substances in the gas and the substances that will cause environmental pollution, and avoid pollution to the human living environment and the atmosphere. Exhaust gas towers are used in a wide range of applications. Exhaust gas towers are widely used in chemical enterprises. Because chemical production will produce a large amount of harmful chemical gases, these gases will be discharged into the air without treatment, which will cause great harm to the environment and human health. big damage. Some light industries also use exhaust gas towers, and some printing and dyeing factories, pharmaceutical factories, steel plants and power plants all need to use exhaust gas towers.

The exhaust gas tower adopts gas-liquid countercurrent operation, and the exhaust gas to be treated enters the interior from the inlet of the exhaust gas tower, is pressed into the air inlet section through the fan, then passes through the packing layer, and finally exits the exhaust gas tower. The agent absorbed by the waste gas tower passes through the spraying device at the top of the waste gas tower, sprays evenly to the middle packing layer, and flows down along the surface of the packing layer to the bottom of the waste gas tower, and then is discharged out of the waste gas tower through the pipeline, and is pumped by the circulating water pump to The spraying device at the top of the tower is recycled.

A general waste gas tower will be provided with a water tank at the bottom of the tower body, which is set to store liquid. In the related art, in order to avoid leakage of the tower body of the waste gas tower, most of the water tank and the tower body are made in one piece (the side plate of the water tank and the side plate of the tower body Adopt the whole board to make or weld as a whole), but this structure will have the following problems.

(1) The volume of the tower body increases, which is not conducive to transportation and installation.

(2) For the horizontal exhaust gas tower manufactured in sections, the tower body and the tower body are connected by flanges. If a water tank is shared between the multi-section tower bodies, since the tower body and the water tank are made integrally, the tower body The meaning of segmentation is lost.

Contents of the invention

The application provides an exhaust gas tower, which can make the water tank and the tower body separable, facilitate transportation and installation, and avoid air and water leakage from the exhaust gas tower.

An exhaust gas tower is provided, including a tower body and a water tank, the bottom of the tower body is surrounded by a first support plate in the vertical direction, the tower body is supported and overlapped with the water tank by the first support plate, and the first support plate will The water tank is divided into a water storage chamber and a medicine dosing chamber, and the first support plate is provided with a communication port connecting the water storage chamber and the medicine dosing chamber.

Description of drawings

Fig. 1 is the sectional view of the waste gas tower that the application provides;

Fig. 2 is the structural representation of the tower body that the application provides;

Fig. 3 is the structural representation of the tower body that the application provides;

Fig. 4 is a schematic diagram of the relationship between the number of tower body sections and the number of water tanks provided by the present application.

In the picture:

100, tower body; 110, mesh; 120, second support plate; 200, water tank; 210, water storage chamber; 220, dosing chamber; 230, third support plate; 240, cover plate; 300, first support plate; 310, a communication port.

Detailed ways

The technical solutions of the present application will be described below in conjunction with the accompanying drawings, and the described embodiments are part of the embodiments of the present application, but not all of the embodiments.

In the description of this application, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientation or position The relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, therefore It should not be construed as a limitation of the application. In addition, the terms "first" and "second" are used for descriptive purposes only, and should not be construed as indicating or implying relative importance. Wherein, the terms "first position" and "second position" are two different positions, and "above", "above" and "above" the first feature on the second feature include that the first feature is on the second feature. Directly above and obliquely above, or simply means that the first feature level is higher than the second feature. "Below", "beneath" and "under" the first feature to the second feature include that the first feature is directly below and obliquely below the second feature, or simply means that the first feature has a lower level than the second feature.

In the description of this application, unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; It can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary, and it can be the internal communication of two components. The meanings of the above terms in this application can be understood according to the actual situation.

Embodiments of the present application are described below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary, and are only for explaining the present application, and should not be construed as limiting the present application.

For the convenience of transportation, the tower body of the waste gas tower is made in sections. For the horizontal waste gas tower made in sections, in most cases, the water tank and the tower body are made in one piece. As a whole, the towers are actually inseparable; if a separate water tank is installed for each section of the tower, in order to avoid water leakage at the connection between the tower and the tower, the water tank is often set longer to ensure that the tower and the tower The connection is placed above the water tank. This setting also makes the tower body inseparable from each other, and loses the meaning of segmented production.

For the horizontal waste gas tower manufactured in sections, the tower body and the tower body are connected by flanges. If a water tank is shared between the multi-section tower bodies, the division between the tower bodies will be lost due to the integrated production of the tower body and the water tank. The significance of the section; if the water tank is also segmented, and there is a water tank under each section of the tower body, then when the length of the water tank is less than or equal to the length of the tower body, there is no water tank below the flange connection between the tower body and the tower body , if the flange connection leaks, the liquid will leak out of the exhaust gas tower. If the length of the water tank is longer than the length of the tower body, so that there is a water tank under the flange connection between the tower body and the tower body, the tower body will also lose its segmental function. significance.

In view of the above problems, in one embodiment of the present application, an exhaust gas tower is provided. As shown in FIG. There is a first support plate 300, the tower body 100 is supported and overlapped with the water tank 200 through the first support plate 300, the first support plate 300 divides the water tank 200 into a water storage chamber 210 and a dosing chamber 220, and the first support plate 300 A communication port 310 connecting the water storage chamber 210 and the medicine feeding chamber 220 is provided. As shown in FIG. 1 , the waste gas tower includes a tower body 100 and a water tank 200 , wherein a circle of first support plates 300 is vertically arranged at the bottom of the tower body 100 , and the first support plates 300 are lapped on the water tank 200 Among them, the bottom of the water tank 200 supports the first support plate 300. The first support plate 300 divides the water tank 200 into two parts: the water storage chamber 210 and the dosing chamber 220. The part surrounded by the first support plate 300 is the storage chamber. The water chamber 210, the rest is the dosing chamber 220, the first support plate 300 is provided with a communication port 310, the water storage chamber 210 and the dosing chamber 220 are communicated through the communication port 310, the medicine is added through the dosing chamber 220, and Through the communication port 310, the water in the water storage chamber 210 contains medicament, and the medicament is configured to absorb harmful gas.

By enclosing the first support plate 300 in the vertical direction at the bottom of the tower body 100, and supporting the first support plate 300 in the water tank 200, the tower body 100 and the water tank 200 can be separated. For the horizontal exhaust gas tower, it can ensure that the segmented tower body 100 can be disassembled and assembled at any time, which ensures the significance of the tower body 100 segmented production, and is convenient for installation and transportation. The water tank 200 is divided into storage tanks by the first support plate 300 The water chamber 210 and the dosing chamber 220 simplify the processing procedure of the water tank 200, improve production efficiency and reduce production cost.

Continuing to refer to Fig. 1, when the above-mentioned waste gas tower is working, the harmful gas is pressed or sucked into the air inlet section through the centrifugal fan, and then flows to the packing layer, where it contacts and reacts with the spray liquid. The spray system uses clear water as the circulating absorption liquid, and the circulating water is sprayed from the water distributor on the upper part of the tower body 100 to the packing layer, wetting the packing surface to form a flowing liquid film, and in the packing layer, the gas and liquid phases are countercurrent Flow and contact, using the certain solubility of harmful gas in the absorbent, the meltable part is continuously integrated into the absorption liquid to achieve the purpose of degrading the content of harmful components in the gas. The harmful gas is continuously absorbed or removed by chemical reactions. During the flow process, it will gradually decrease, and it will be discharged out of the waste gas tower after reaching the absorption requirement. The water source of the water distributor on the upper part of the tower body 100 comes from the water tank 200, and the water in the water tank 200 is pumped to the upper part of the tower body 100 through the circulating water pump, then enters the water distributor to spray and react with harmful gases, and then falls back to the water tank 200 for recycling , when the water quality in the water tank 200 deteriorates and needs to be replaced, they will be replaced uniformly. Therefore, some mesh holes 110 can be set at the bottom of the tower body 100 , and the water sprayed by the water distributor flows back to the bottom of the tower body 100 and flows into the water tank 200 through the mesh holes 110 . For example, the tower body 100 is provided with a mesh 110 connecting the water storage chamber 210 with the tower body 100 . In one embodiment, a mesh 110 can be opened in the area surrounded by the first support plate 300, so that the mesh 110 can communicate with the interior of the tower body 100 and the water storage chamber 210, so as to ensure that the water in the water tank 200 is recycled. The number and size of 110 should be able to meet the water circulation requirements of the waste gas tower, and avoid affecting the water flow velocity due to fewer or smaller meshes 110, thereby affecting the water circulation speed of the waste gas tower and reducing the working efficiency of the waste gas tower.

Considering the stability of the support between the tower body 100 and the water tank 200, the second support plate 120 can be set at the bottom edge of the tower body 100, and the third support plate 230 is correspondingly set at the edge of the water tank 200, and the second support plate 120 is overlapped on the third support plate 230 to increase the contact area between the tower body 100 and the water tank 200 , thereby improving the stability of the connection between the tower body 100 and the water tank 200 .

In one embodiment, the second support plate 120 and the third support plate 230 can be arranged along the horizontal direction, the second support plate 120 and the third support plate 230 are two flat plates, the second support plate 120 and the third support plate 230 The plane positions of the two butt against each other, and the third support plate 230 supports the second support plate 120. In order to improve the connection stability between the tower body 100 and the water tank 200, between the second support plate 120 and the third support plate 230 A detachable connection structure can be provided, such as bolt connection, snap connection, etc.; in another embodiment, the second support plate 120 can be a flat plate, and the third support plate 230 can be an L-shaped plate. Lap on the horizontal surface of the L-shaped plate, the vertical surface of the L-shaped plate can play a role in radial positioning of the second support plate 120, avoiding the displacement of the tower body 100 relative to the water tank 200 due to vibration during the operation of the waste gas tower , thereby affecting the performance of the exhaust gas tower.

In one embodiment, the second support plate 120 can be arranged on both sides of the tower body 100, and the third support plate 230 is arranged on the position opposite to the second support plate 120 on the water tank 200, and the second support plate 230 is used to support the second support plate 230. Support plate 120, and then stabilize the connection between tower body 100 and water tank 200; The third supporting board 230 is arranged to support the second supporting board 120 . The second supporting plate 120 can be arranged continuously along the circumferential direction of the tower body 100, and can also be arranged at intervals along the circumferential direction of the tower body 100. It can be produced according to actual needs. The third supporting plate 230 can also be continuously arranged on the edge of the water tank 200 or The spaced arrangement only needs to ensure that the third support plate 230 can stably support the second support plate 120 .

In one embodiment, the second support plate 120 can be connected to the tower body 100 by welding; in other embodiments, the second support plate 120 can also be connected to the tower body 100 by bolt connection.

Optionally, in one embodiment, the third support plate 230 can be connected with the water tank 200 by welding; in another embodiment, the third support plate 230 can be made integrally with the wall plate of the water tank 200; in other implementations In an example, the third support plate 230 may also be connected with the water tank 200 through bolt connection.

The height of the first support plate 300 can be greater than or equal to the depth of the water tank 200, which can prevent the tower body 100 from immersing in the water tank 200, and can ensure that the water tank 200 supports the tower body by overlapping the bottom of the water tank 200 and the first support plate 300 100, and the tower body 100 is supported by the overlapping of the third support plate 230 and the second support plate 120. The double support structure can stabilize the connection between the tower body 100 and the water tank 200, and avoid the vibration and collision caused by the waste gas tower when it is working. The displacement of the tower body 100 relative to the water tank 200 affects the working performance of the waste gas tower.

Considering the stability of the connection between the tower body 100 and the first support plate 300, in one embodiment, the first support plate 300 can be connected to the tower body 100 by welding; in other embodiments, the first support plate The plate 300 can also be made integrally with the side plate of the tower body 100, and the connection between the first support plate 300 and the tower body 100 must be sealed so as not to leak air or water.

As shown in Figure 2, a communication port 310 can be provided on the first support plate 300, through which the liquid in the water storage chamber 210 and the dosing chamber 220 can be connected, the medicine can be added through the dosing chamber 220, and through the communication The port 310 makes the water in the water storage chamber 210 also be filled with medicament, and the structure of the communication port 310 enables the staff to finish adding the medicament outside the tower body 100 .

The communication port 310 can be arranged at the bottom of the first support plate 300, through the communication port 310, the liquid level in the water tank 200 is the same as the liquid level in the area surrounded by the first support plate 300, and the water in the water tank 200 can be kept at Lift to the upper part of the tower body 100 and then flow back to the water tank 200 by spraying, because the liquid level in the water tank 200 is generally only 150mm-200mm downward from the lower edge of the water tank 200 (the liquid level cannot reach the upper edge of the water tank 200 , otherwise it may overflow from the dosing chamber 220 at any time), the gas inside the tower body may leak from the mesh to the water tank in the related art, and then overflow from the liquid surface of the water tank through the dosing port, causing the waste gas tower to leak air, and this The exhaust gas tower provided by the application, through the structure of the first support plate 300, can ensure that whether it is liquid flow or air flow leaking from the tower body 100, it is only in the area surrounded by the first support plate 300, and passes through the connecting port. 310 is arranged at the bottom of the first support plate 300 so that the gas or liquid flow in the tower body 100 will not leak from the connection between the first support plate 300 and the tower body 100 . The air flow passes through the inside of the tower body 100. If it leaks from the mesh 110, the liquid in the area surrounded by the first support plate 300 will form a liquid seal to prevent the air flow from escaping. At the same time, the liquid seal can also prevent the external air flow from adding medicine. into cavity 220.

Multiple communication ports 310 can be provided. Continue to refer to FIG. 2 . In one embodiment, multiple communication ports 310 can be arranged at intervals on the bottom of the first support plate 300, which can speed up the flow of liquid and ensure that the water storage chamber 210 and the dosing chamber The liquid level in 220 remains at the same level.

Optionally, considering the operating habits, the first support plate 300 can be installed on one side of the water tank 200, at this time, the dosing chamber 220 is on one side of the water tank 200; the first support plate 300 can also be installed in the water tank 200 , not in contact with the side wall of the water tank 200 , at this time the dosing chamber 220 is located on both sides or surroundings of the water storage chamber 210 .

In addition to the function of adding medicine to the dosing chamber 220, the staff will also observe the water quality in the water tank 200 through the dosing chamber 220. When the water quality is polluted to a certain extent, it is necessary to change the water in the water tank 200 in time to ensure that the waste gas tower For exhaust gas purification performance, therefore, a cover plate 240 can be provided above the dosing chamber 220 to prevent impurities in the external environment from entering the dosing chamber 220 and affecting the water quality in the water tank 200 .

In one embodiment, the cover plate 240 and the medicine feeding chamber 220 may be connected in a rotational manner, which is convenient for the staff to open and close the cover plate 240 .

The cover plate 240 can be connected to the dosing chamber 220 through a hinge, and the cover plate 240 can rotate relative to the dosing chamber 220 around the hinge shaft of the hinge, and retaining rings can also be provided at both ends of the hinge shaft, and the retaining rings can prevent the hinge shaft from loosening , slipping occurs, the cover 240 and the dosing chamber 220 are connected by hinges, which is convenient for opening and closing the cover 240 .

A handle can be arranged on the cover plate 240 , and the staff can open and close the cover plate 240 through the handle. In one embodiment, the handle and the cover plate 240 can be fixedly connected by welding; in other embodiments, the cover plate 240 can also be connected with the handle by bolt connection.

A drain can be set on the water tank 200, and the drain can be connected to the pipeline. When the water quality in the water tank 200 is poor enough to purify harmful gases, the water in the water tank 200 can be drained away through the drain.

Exemplarily, the tower body 100 is divided into multiple sections, and the multi-section tower body 100 shares a water tank 200; or, the tower body 100 is divided into multiple sections, and the multi-section tower body 100 shares a plurality of water tanks 200, and the connection between two adjacent sections of the tower body 100 is arranged in the water tank Above 200. Exemplarily, the tower body 100 is divided into multiple sections, each section of the tower body 100 is provided with a water tank 200, and the junction of two adjacent sections of the tower body 100 is set above the water tank 200 (the water tank 200 directly below the section of the tower body).

As shown in Figure 4, the relationship between the number of tower body sections and the number of water tanks is shown, wherein the number of tower body sections can be M sections, and the number of water tanks can be N. When the number of tower body sections is M, the number of water tanks can be N=1, that is, the tower body 100 shares one water tank 200 . It can also be that when the number of tower body sections is M sections, 2≤N<M, at this time, when there is no water tank under the tower body 100 of a section, the mesh 110 is not opened on the inner bottom plate of the tower body 100 of this section, and the inside of the tower body 100 of this section The liquid flows to the adjacent tower body 100 through the slope, and then flows into the water tank 200 below the adjacent tower body 100 through the mesh 110 on the bottom plate of the adjacent tower body 100 . It can also be that when the number of tower body sections is M sections, the number of water tanks is N=M, that is, one section of tower body 100 corresponds to one water tank 200 . Fig. 4 exemplarily illustrates the relationship between the number of tower body sections and the number of water tanks. The tower body 100 and the water tank 200 can also be arranged in other ways, which are not limited in this application. The above embodiment needs to ensure that the connection of the segmented tower body must be above the water tank, so that it can be ensured that even if the connection leaks, it will only leak into the water tank and not outside the water tank.

The waste gas tower is composed of multi-section tower bodies 100. In one embodiment, all tower bodies 100 share a water tank 200, and the water tank 200 covers the joints of all tower bodies 100 to avoid air and water leakage in the waste gas tower and ensure that the multi-section tower bodies 100 In another embodiment, the multi-section tower body 100 can share multiple water tanks 200. Exemplarily, the multi-section tower body 100 can share two water tanks 200, or the multi-section tower body 100 can share three water tanks 200, etc., while To ensure that the connection between the tower body 100 and the tower body 100 is placed above the water tank 200, the liquid in the waste gas tower can be prevented from leaking into the external environment from the connection between the tower body 100 and the tower body 100; in other embodiments, each section The tower body 100 is provided with a water tank 200 alone, but the length of the water tank 200 is to ensure that the connection between the tower body 100 and the tower body 100 is placed above the water tank 200, so as to avoid the connection of the liquid in the waste gas tower from the tower body 100 to the tower body 100 leakage into the external environment. In this application, the tower body 100 can be separated from the water tank 200 by vertically enclosing the first support plate 300 at the bottom of the tower body 100 and overlapping the first support plate 300 in the water tank 200, which is convenient for transportation. To prevent the tower body 100 from losing the meaning of segmentation; divide the water tank 200 into the water storage chamber 210 and the dosing chamber 220 through the first support plate 300, which can simplify the processing procedure of the water tank 200, improve production efficiency, and reduce costs; at the same time, the first support The liquid seal in the area surrounded by the plate 300 prevents the gas flow and liquid flow in the exhaust gas tower from leaking from the connection between the first support plate 300 and the tower body 100, avoiding air and water leakage from the exhaust gas tower, and at the same time, the external gas will not leak from the exhaust gas tower. The dosing chamber 220 enters the tower body 100 .

For the horizontal waste gas tower manufactured in sections, the water tank is integrated with the tower body of the waste gas tower in the related art. When the tower body made in sections shares a water tank, the water tank cannot be segmented, so that the tower body cannot be segmented. Production, transportation and installation, the waste gas tower above can be disassembled and assembled at any time by enclosing the first support plate in the vertical direction at the bottom of the tower body and lapping the first support plate on the water tank , easy to transport.

When each section of the tower body is provided with a separate water tank, the water tank often covers the joint of the tower body. If the water tank is covered with the tower body joint and made integrally with the tower body, this structure also makes the tower body connected together and cannot be segmented. Good for transportation. The above-mentioned waste gas tower encloses the first support plate in the vertical direction at the bottom of the tower body, and overlaps the first support plate on the water tank, and by setting the length of the water tank, the connection of the tower body can be made above the water tank. It can not only avoid water leakage at the joint of the tower body, but also ensure that the tower body made in sections can be disassembled and assembled at any time.

Claims

An exhaust gas tower, comprising a tower body (100) and a water tank (200), wherein,

The bottom of the tower body (100) is surrounded by a first support plate (300) in the vertical direction, and the tower body (100) is supported and overlapped with the water tank (200) by the first support plate (300). ), the first support plate (300) divides the water tank (200) into a water storage chamber (210) and a dosing chamber (220), and the first support plate (300) is provided with the A communication port (310) between the water storage chamber (210) and the medicine feeding chamber (220).
The exhaust gas tower according to claim 1, wherein the bottom edge of the tower body (100) is provided with a second support plate, the edge of the water tank (200) is provided with a third support plate, and the second support plate lapped on the third support plate.
The exhaust gas tower according to claim 2, wherein the second support plate and the third support plate are arranged along a horizontal direction.
The exhaust gas tower according to claim 1, wherein the communication port (310) is arranged at the bottom of the first support plate (300).
The exhaust gas tower according to claim 4, wherein there are multiple communication ports (310), and the plurality of communication ports (310) are arranged at intervals.
The exhaust gas tower according to claim 1, wherein, the tower body (100) is provided with a mesh (110) connecting the water storage chamber (210) and the tower body (100).
The exhaust gas tower according to claim 1, wherein the height of the first support plate (300) is greater than or equal to the depth of the water tank (200).
The exhaust gas tower according to claim 1, wherein a cover plate is provided above the dosing chamber (220).
The exhaust gas tower according to any one of claims 1-8, wherein the tower body (100) is divided into multiple sections, and the multi-section tower body (100) shares a water tank (200);

Or, the tower body (100) is divided into multiple sections, and the multi-section tower body (100) uses a plurality of water tanks (200) in total, and the connection between two adjacent sections of the tower body (100) is arranged above the water tank (200).
The exhaust gas tower according to any one of claims 1-8, wherein the tower body (100) is divided into multiple sections, each section of the tower body (100) is provided with a water tank (200), and two adjacent sections of the tower body ( 100) is arranged above the water tank (200).