CN214914483U

CN214914483U - Flue gas sprays washing device

Info

Publication number: CN214914483U
Application number: CN202120848813.1U
Authority: CN
Inventors: 靳遥; 徐卜一; 刘颖; 莫雨航
Original assignee: Shenyang University of Technology
Current assignee: Shenyang University of Technology
Priority date: 2021-04-23
Filing date: 2021-04-23
Publication date: 2021-11-30
Anticipated expiration: 2031-04-23

Abstract

The utility model discloses a flue gas sprays washing device belongs to flue gas purification and handles technical field. The device comprises a tank body and a smoke inlet pipe arranged on the side wall of the tank body, wherein a cooling disc and two spraying devices are sequentially distributed in the tank body from top to bottom, and the water spray holes of the spraying devices below are smaller than the water spray holes of the spraying devices above. The water outlet pipe of the cooling disc is communicated with the water inlet pipe of the spraying device through a connecting pipe, and the smoke inlet pipe is downwards inclined and arranged on the side wall of the tank body below the spraying device. The utility model relates to a flue gas sprays washing device simple structure, and two spray set that the accessible set up carry out more thorough spraying to the flue gas, eliminate harmful components in the flue gas.

Description

Flue gas sprays washing device

Technical Field

The utility model relates to a flue gas purification handles technical field, concretely relates to flue gas sprays washing device.

Background

With the development of economy and society, the atmospheric pollution of China is more and more serious, and the haze phenomenon is serious frequently generated, so that the life and the natural environment of people are greatly influenced. One of the important factors causing air pollution is various flue gases generated in industrial production, which contain a large amount of harmful components such as fine particle dust, sulfur dioxide and the like, and only by effectively purifying the flue gases in the industrial production, the pollution of industrial production activities to the atmosphere can be prevented, and the air quality is improved.

Disclosure of Invention

In order to solve the pollution that produced flue gas of all kinds of industrial production activities caused the atmosphere, purify the flue gas to a certain extent, the utility model provides a flue gas sprays washing device for gas cleaning.

The utility model discloses a concrete technical scheme as follows:

a flue gas spraying and washing device comprises a tank body and a flue gas inlet pipe arranged on the side wall of the tank body, wherein a cooling disc and two spraying devices are sequentially distributed in the tank body from top to bottom, the cooling disc comprises a first liquid separator and a second liquid separator which are respectively positioned on two sides, cooling pipes which are distributed at intervals are communicated and arranged between the first liquid separator and the second liquid separator, fins with surfaces axially vertical to the cooling pipes are arranged on the cooling pipes, the first liquid separator is communicated with a water inlet pipe, and the second liquid separator is communicated with a water outlet pipe; the spraying device comprises a liquid guide pipe and a spraying pipe communicated with the liquid guide pipe, wherein a water inlet pipe is communicated with the liquid guide pipe, and a water spraying hole is formed in one side of the spraying pipe, which is opposite to the smoke inlet pipe; the water outlet pipe of the cooling disc is communicated with the water inlet pipe of the spraying device through a connecting pipe, and the smoke inlet pipe is arranged below the spraying device.

Furthermore, the liquid guide pipe of the spraying device is annular, and a plurality of spraying pipes are arranged on the inner side of the annular liquid guide pipe at intervals.

Further, the shower pipe is a straight pipe with a circular radial section.

Furthermore, a liquid guide pipe of the spraying device is a straight pipe with one closed end, and the spraying pipe consists of a plurality of concentric annular pipes.

Furthermore, a water spraying hole is arranged at one side of the liquid guide pipe opposite to the smoke inlet pipe.

Furthermore, the top and the bottom of the tank body are funnel-shaped, a smoke outlet pipe is arranged at the top of the tank body, a fan is arranged in the smoke outlet pipe, and a waste liquid outlet is arranged at the bottom of the tank body.

Further, the fan is an axial flow fan.

Further, the smoke inlet pipe is arranged in a downward inclined mode.

Furthermore, the aperture of the water spraying hole of the spraying device positioned below the tank body is smaller than that of the water spraying hole of the spraying device positioned above the tank body.

The utility model has the advantages that:

1. the utility model relates to a flue gas sprays washing device can carry out more thorough spraying to the flue gas through setting up two spray set, eliminates harmful components such as fine particle dust, sulfur dioxide in the flue gas.

2. The utility model relates to a flue gas sprays washing device, the aperture that is less than the spray system's of jar body top hole of water spraying through the aperture setting of the spray system's of the below that will be located jar body the hole of water spraying, can wash the flue gas by below spray system spun water smoke earlier at the flue gas in-process that rises, because the aperture of below spray system's hole of water spraying is less, consequently spun water smoke can combine with the harmful substance in the flue gas effectively. The flue gas cleaned by the lower spraying device and part of water mist which rises along with the flue gas are cleaned for the second time by the water mist with larger liquid drops sprayed by the upper spraying device, so that the fine water mist contained in the flue gas is absorbed, and the humidity of the flue gas is reduced.

3. The utility model relates to a flue gas sprays washing device through will advancing the downward setting of tobacco pipe slope, can prevent that spray set spun water from getting into during the tobacco pipe.

4. The utility model relates to a flue gas sprays washing device through set up the fin on the cooling plate, can let the cooling effect promote, effectively gets rid of the moisture in the flue gas.

5. The utility model relates to a flue gas sprays washing device is linked together through the connecting pipe with the outlet pipe of cooling pan and spray set's inlet tube, can realize supplying with cooling pan and spray set water, simple structure by an inlet tube.

Drawings

FIG. 1 is a schematic structural view of a flue gas spraying and washing device of the present invention;

FIG. 2 is a schematic view of a condenser plate structure;

FIG. 3 is a schematic structural view of a first embodiment of a spraying device;

fig. 4 is a schematic structural diagram of a second embodiment of the spraying device.

In the figure, 1, a tank body; 101. discharging the smoke tube; 101a, a fan; 102. a waste liquid outlet; 2. a cooling pan; 201. a first liquid separator; 201a, a water inlet pipe; 202. a second liquid separator; 202a and a water outlet pipe; 203. a cooling tube; 204. a fin; 3. a spraying device; 311. a catheter; 312. a shower pipe; 312a, water jet holes; 313. a water inlet pipe; 321. a catheter; 322. a shower pipe; 322a, water spray holes; 323. a water inlet pipe; 4. a connecting pipe; 5. a smoke inlet pipe.

Detailed Description

The technical solution of the present invention will be described in detail with reference to the accompanying drawings. In the description of the present application, it is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings.

In the technical solutions of the present invention, unless otherwise specifically stated, terms such as "mounting," "setting," "connecting," "fixing," and the like should be interpreted broadly, and may be interpreted as fixed connection or detachable connection, and the like according to the specific technical solution in which the terms are located, and a person having ordinary skill in the art may understand the specific meanings of the terms according to the specific situations involved in the technical solutions.

The flue gas spraying device shown in fig. 1 comprises a tank body 1 and a flue gas inlet pipe 5 arranged on the side wall of the tank body and inclined downwards, wherein the top and the bottom of the tank body 1 are funnel-shaped, a flue gas outlet pipe 101 is arranged on the top of the tank body 1, a fan 101a is arranged in the flue gas outlet pipe 101, an axial flow fan can be selected for the fan 101a, and a waste liquid outlet 102 is arranged at the bottom of the tank body 1.

A cooling disc 2 for cooling the flue gas and two spraying devices 3 for spraying and washing the flue gas are sequentially distributed in the tank body 1 from top to bottom, and a flue gas inlet pipe 5 is arranged below the spraying devices 3. The cooling plate 2 comprises a first liquid distributor 201 and a second liquid distributor 202 which are respectively arranged at two sides of the cooling plate and are made of arc-shaped metal pipes matched with the radial section shape of the tank body 1, and cooling pipes 203 which are distributed at intervals are communicated between the first liquid distributor 201 and the second liquid distributor 202. In order to increase the cooling effect, a fin 204 made of metal having a surface axially perpendicular to the cooling pipe is provided on the cooling pipe 203, the first dispenser 201 communicates with the inlet pipe 201a, and the second dispenser 202 communicates with the outlet pipe 202 a.

There are two embodiments for the spraying device 3, in the first embodiment, the spraying device 3 includes a ring-shaped liquid guide pipe 311 and a plurality of spraying pipes 312 which are arranged at intervals inside the ring-shaped liquid guide pipe 311 and communicated with the liquid guide pipe, and the spraying pipes 312 are made of straight pipes with circular radial cross sections. The liquid guide tube 311 is provided with a water inlet tube 313 in communication therewith, and a water spray hole 312a is provided on the side of the shower tube 312 opposite to the smoke inlet tube 5. The water outlet pipe 202a of the cooling disc 2 is communicated with the water inlet pipe 313 of the spraying device 3 through the connecting pipe 4, at this time, the water flow entering from the water inlet pipe 201a of the cooling disc flows out from the water outlet pipe 202a of the cooling disc after passing through the cooling disc, enters the spraying device 3 through the connecting pipe 4, and is finally sprayed out from the water spraying holes 312a of the spraying device 3.

The second embodiment of the spray device 3 is different from the first embodiment in that the liquid guide pipe 321 of the spray device 3 is a straight pipe with one end closed, the spray pipe 322 is composed of a plurality of concentric ring pipes, and a water spray hole 322a is provided on the opposite side of the liquid guide pipe 321 and the smoke inlet pipe 5. The water outlet pipe 202a of the cooling disc 2 is communicated with the water inlet pipe 323 of the spraying device 3 through the connecting pipe 4, at this time, the water flow entering from the water inlet pipe 201a of the cooling disc flows out from the water outlet pipe 202a of the cooling disc after passing through the cooling disc, enters the spraying device 3 through the connecting pipe 4, and is finally sprayed out from the water spraying hole 322a of the spraying device 3.

In the two embodiments, the diameter of the water spray hole of the spray device below the tank body is smaller than that of the water spray hole of the spray device above the tank body. The aperture of the water spraying hole of the spraying device positioned below the tank body is smaller than that of the water spraying hole of the spraying device positioned above the tank body, so that the flue gas can be cleaned by the small droplet water mist sprayed by the spraying device below the spraying device in the rising process of the flue gas. The flue gas cleaned by the lower spraying device and part of water mist rising along with the flue gas are cleaned for the second time by the water mist of large liquid drops sprayed by the upper spraying device, so that the fine water mist contained in the flue gas is absorbed, and the humidity of the flue gas is reduced.

Claims

1. The utility model provides a flue gas sprays washing device, includes a jar body and sets up in the advancing tobacco pipe of jar side wall, its characterized in that: a cooling disc and two spraying devices are sequentially distributed in the tank body from top to bottom, the cooling disc comprises a first liquid separator and a second liquid separator which are respectively positioned at two sides, cooling pipes which are distributed at intervals are communicated between the first liquid separator and the second liquid separator, fins with the surfaces axially vertical to the cooling pipes are arranged on the cooling pipes, the first liquid separator is communicated with a water inlet pipe, and the second liquid separator is communicated with a water outlet pipe;

the spraying device comprises a liquid guide pipe and a spraying pipe communicated with the liquid guide pipe, wherein a water inlet pipe is communicated with the liquid guide pipe, and a water spraying hole is formed in one side of the spraying pipe, which is opposite to the smoke inlet pipe;

the water outlet pipe of the cooling disc is communicated with the water inlet pipe of the spraying device through a connecting pipe, and the smoke inlet pipe is arranged below the spraying device.

2. The flue gas spray scrubbing apparatus of claim 1, wherein: the liquid guide pipe of the spraying device is annular, and a plurality of spraying pipes are arranged on the inner side of the annular liquid guide pipe at intervals.

3. The flue gas spray scrubbing apparatus of claim 2, wherein: the spray pipe is a straight pipe with a circular radial section.

4. The flue gas spray scrubbing apparatus of claim 1, wherein: the liquid guide pipe of the spraying device is a straight pipe with one closed end, and the spraying pipe is composed of a plurality of concentric annular pipes.

5. The flue gas spray scrubbing apparatus of claim 4, wherein: and a water spraying hole is formed in one side of the liquid guide pipe opposite to the smoke inlet pipe.

6. The flue gas spray scrubbing apparatus of claim 1, wherein: the top and the bottom of the tank body are funnel-shaped, a smoke outlet pipe is arranged at the top of the tank body, a fan is arranged in the smoke outlet pipe, and a waste liquid outlet is arranged at the bottom of the tank body.

7. The flue gas spray scrubbing apparatus of claim 6, wherein: the fan is an axial fan.

8. The flue gas spray scrubbing apparatus of claim 7, wherein: the smoke inlet pipe is arranged in a downward inclined mode.

9. The flue gas spray scrubbing apparatus of any one of claims 1 to 8, wherein: the aperture of the water spraying hole of the spraying device positioned below the tank body is smaller than that of the water spraying hole of the spraying device positioned above the tank body.