CN210145775U

CN210145775U - Industrial flue gas treatment equipment

Info

Publication number: CN210145775U
Application number: CN201920945938.9U
Authority: CN
Inventors: 闫卫军; 马茹茹; 高建军
Original assignee: Shanxi Jinwan Keyuan Environmental Resources Technology Co Ltd
Current assignee: Shanxi Jinwan Keyuan Environmental Resources Technology Co Ltd
Priority date: 2019-06-23
Filing date: 2019-06-23
Publication date: 2020-03-17
Anticipated expiration: 2029-06-23

Abstract

The utility model relates to an industrial flue gas treatment device, which comprises a flue gas collecting device, a solid-gas separating device and a spraying device which are connected in sequence, wherein the flue gas collecting device is connected with a bottom flue gas inlet of the solid-gas separating device, and a flue gas flow path in the flue gas collecting device is provided with a first filter screen; the top of the solid-gas separation device is provided with a second filter screen; a first spray tray and a second spray tray are arranged in the spray device, a liquid outlet is arranged on the side wall of the spray device, and the liquid outlet is connected with the sedimentation tank through a pipeline; the top of the spraying device is provided with an exhaust port, and the exhaust port is connected with an air extractor through a pipeline. The utility model discloses a carry out solid-state, liquid and gaseous multi-level separation to the industrial flue gas and purify, effectively reduced the content of particulate matter in the flue gas, be favorable to improving the efficiency of industrial gas innocent treatment in the subsequent handling.

Description

Industrial flue gas treatment equipment

Technical Field

The utility model relates to an environmental protection equipment particularly, is an industrial flue gas treatment facility.

Background

At present, the flue gas discharged by a factory contains more dust, so that the air pollution is serious, the body and mind of workers are easily damaged when the workers work in a workplace with serious air pollution, and the waste gas purification mainly refers to the treatment of industrial waste gas generated in an industrial place, such as dust particles, flue gas and smoke dust, peculiar smell gas and toxic and harmful gas. Common waste gas purification includes waste gas odor purification, acid-base waste gas purification, chemical waste gas purification and the like. In the prior art, most industrial flue gas only carries out simple solid-gas separation between carrying out exhaust purification, and remaining particulate matter dust can influence the treatment effect after getting into treatment facility in the waste gas to cause the harm of certain degree to equipment.

Disclosure of Invention

The to-be-solved technical problem of the utility model is to provide an industrial flue gas treatment facility reaches the purpose of effectively separating solid particle thing in the flue gas at least.

For solving the above technical problem, the utility model discloses a technical scheme is: an industrial flue gas treatment device comprises a flue gas collecting device, a solid-gas separation device and a spraying device which are connected in sequence, wherein the flue gas collecting device is connected with a bottom flue gas inlet of the solid-gas separation device, and a first filter screen is arranged on a flue gas flow path in the flue gas collecting device; the top of the solid-gas separation device is provided with a second filter screen; a gas outlet at the top of the solid-gas separation device is connected with a gas inlet at the bottom of the spraying device through a pipeline; a spray tray is arranged in the spray device, the outer end face of the spray tray is fixedly connected with the inner wall of the spray device, a spray head and an air hole for air to pass through are arranged on the spray tray, the spray tray comprises a first spray tray and a second spray tray which are arranged at intervals in the height direction of the spray device, a liquid outlet is arranged on the side wall of the spray device, and the liquid outlet is connected with a sedimentation tank through a pipeline; the top of the spraying device is provided with an exhaust port, and the exhaust port is connected with an air extractor through a pipeline.

Furthermore, the solid-gas separation device comprises a shell and a top cover, wherein a first flange plate is arranged at the bottom of the top cover, a second flange plate is arranged at the top of the shell, the shell and the top cover are connected into a whole through the first flange plate and the second flange plate, and the second filter screen is arranged between the first flange plate and the second flange plate.

Furthermore, a post-treatment device is arranged on a pipeline between the exhaust port of the spraying device and the air extraction device.

Further, spray set include the barrel, the barrel top is provided with the taper cover, the inside of barrel lateral wall and taper cover lateral wall all is provided with the zone of heating.

The utility model discloses a set up flue gas collection device, solid-gas separation dress device, spray set and sedimentation tank, realized carrying out solid-state, liquid and gaseous multi-level separation to the industrial flue gas and purifying, effectively reduced the content of particulate matter in the flue gas, be favorable to improving the efficiency of industrial gas innocent treatment in the subsequent handling.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate exemplary embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention in any way.

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a rear view of the present invention.

In the figure, 1-a flue gas collecting device, 2-a solid-gas separating device, 3-a spraying device, 4-a first filter screen, 5-a second filter screen, 6-a first spraying disc, 7-a second spraying disc, 8-a sedimentation tank, 9-an air extractor, 10-a liquid pump, 11-an after-treatment device, 21-a top cover, 22-a shell, 31-a conical cover, 32-a barrel and 33-a heating layer.

Detailed Description

In order to make the present invention better understood by those skilled in the art, the present invention will be further clearly and completely described below with reference to the accompanying drawings and embodiments. In addition, the features of the embodiments and examples in the present application may be combined with each other without conflict. The terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.

The utility model discloses an industrial flue gas treatment facility that typical embodiment provided, including flue gas collection device 1, solid gas separation device 2 and the spray set 3 that connect gradually. The flue gas collecting device 1 is connected with a flue gas inlet at the bottom of the solid-gas separating device 2, and a first filter screen 4 is arranged on a flue gas flow path in the flue gas collecting device 1; the top of the solid-gas separation device 2 is provided with a second filter screen 5; a gas outlet at the top of the solid-gas separation device 2 is connected with a gas inlet at the bottom of the spraying device 3 through a pipeline; a spray tray is arranged in the spray device, the outer end face of the spray tray is fixedly connected with the inner wall of the spray device 3, a spray head and an air hole for air to pass through are arranged on the spray tray, the spray tray comprises a first spray tray 6 and a second spray tray 7 which are arranged at intervals in the height direction of the spray device, a liquid outlet is arranged on the side wall of the spray device, and the liquid outlet is connected with a sedimentation tank 8 through a pipeline; the top of the spraying device 3 is provided with an exhaust port which is connected with the air extractor 9 through a pipeline.

In relative detail, the above-described fume collection device 1 has a rectangular housing with the fume inlet provided at the side thereof. The mesh of the first filter 4 is larger than the mesh of the second filter 5. The solid-gas separation device 2 may employ various existing separation devices, such as an electrostatic separation device, a centrifugal separation device, and the like. A liquid pump 10 is arranged on a pipeline between the sedimentation tank 8 and the spraying device 3.

Mainly contain particulate matter and gas in the industry flue gas, one of the purposes of the utility model lies in carrying out the preliminary treatment with the industry flue gas, make particulate matter and gaseous initial gross separation, the gaseous innoxious processing apparatus that reentrants conventional gas after the separation carries out the denitration or gets rid of aftertreatment such as organic waste gas.

The flue gas separates out the great particulate matter of particle size behind first filter screen 4 in flue gas collection device 1, and these particulate matters can deposit gradually in flue gas collection device 1's bottom, need regularly clear up and change first filter screen 4 to flue gas collection device. After the gas extraction device 9 is started, the flue gas flows into the solid-gas separation device 2, particulate matters and gas are further separated in the device, and the separated particulate matters fall into the flue gas collection device 1 under the action of gravity or centrifugal force. The flue gas before leaving the solid-gas separation device 2 is filtered for the second time at the second filter screen 5.

Most of particulate matters in the flue gas are removed after the flue gas passes through the flue gas collecting device 1 and the solid-gas separating device 2, but partial particulate matters still remain. The utility model discloses a spray set 3 is further handled remaining particulate matter. Clean water is sprayed into the spraying device through the spraying discs, the highest liquid level of the water is set between the first spraying disc 6 and the second spraying disc 7, and the first spraying disc 6 is higher than the second spraying disc 7. The flue gas gets into the water from spray set 3 bottom, is absorbed by the soluble thing in the water to the flue gas, and the water in the second spray tray 7 sprays to its below water, plays the effect of disturbance water, makes the contact of water and flue gas more abundant. The gas escaping from the upper surface of the water body is sprayed out by the first spraying disc 6 for secondary cleaning, so that the absorption effect is further improved. The liquid absorbing the soluble components in the flue gas is discharged to the sedimentation tank 8 from the liquid outlet. The gas flows out from the exhaust port at the top of the spraying device 3.

In a preferred embodiment, the solid-gas separation device 2 comprises a housing 22 and a top cover 21, a first flange is arranged at the bottom of the top cover 21, a second flange is arranged at the top of the housing 22, the housing and the top cover 21 are connected into a whole through the first flange and the second flange, and the second filter screen 5 is arranged between the first flange and the second flange. The top cover 21 and the housing of the solid-gas separation device 2 are designed to be separable, so that the second filter screen 5 arranged between the top cover and the housing is easy to replace or clean.

In a preferred embodiment, a post-treatment device 11 is arranged on a pipeline between the exhaust port of the spraying device 3 and the air extraction device 9, the post-treatment device is used for further performing harmless treatment on the gas by a conventional method, and the gas treated by the post-treatment device basically meets the emission requirement.

In a preferred embodiment, the spraying device 3 comprises a cylinder 32, a conical cover 31 is arranged on the top of the cylinder 32, and a heating layer 33 is arranged inside the side wall of the cylinder 32 and the side wall of the conical cover 31. One of the main purposes of providing the heating layer 33 is to increase the temperature of the water body to promote the absorption and purification effect, especially in cold winter, which not only helps promote the absorption and purification but also helps protect the equipment. The heating layer 33 provided at the position of the conical cover 31 can dry the gas, which helps to improve the efficiency of the post-treatment and reduce the corrosion of the post-treatment device.

The scope of the invention is not limited to the above embodiments, and various modifications and changes may be made by those skilled in the art, and any modifications, improvements and equivalents made within the spirit and principle of the invention are intended to be included within the scope of the invention.

Claims

1. The utility model provides an industry flue gas treatment facility, includes flue gas collection device, solid gas separator and the spray set that connects gradually, its characterized in that: the flue gas collecting device is connected with a flue gas inlet at the bottom of the solid-gas separation device, and a first filter screen is arranged on a flue gas flow path in the flue gas collecting device; the top of the solid-gas separation device is provided with a second filter screen; a gas outlet at the top of the solid-gas separation device is connected with a gas inlet at the bottom of the spraying device through a pipeline; a spray tray is arranged in the spray device, the outer end face of the spray tray is fixedly connected with the inner wall of the spray device, a spray head and an air hole for air to pass through are arranged on the spray tray, the spray tray comprises a first spray tray and a second spray tray which are arranged at intervals in the height direction of the spray device, a liquid outlet is arranged on the side wall of the spray device, and the liquid outlet is connected with a sedimentation tank through a pipeline; the top of the spraying device is provided with an exhaust port, and the exhaust port is connected with an air extractor through a pipeline.

2. The industrial flue gas treatment plant according to claim 1, characterized in that: the solid-gas separation device comprises a shell and a top cover, wherein a first flange plate is arranged at the bottom of the top cover, a second flange plate is arranged at the top of the shell, the shell and the top cover are connected into a whole through the first flange plate and the second flange plate, and the second filter screen is arranged between the first flange plate and the second flange plate.

3. The industrial flue gas treatment plant according to claim 1, characterized in that: and a post-treatment device is arranged on a pipeline between the exhaust port of the spraying device and the air exhaust device.

4. The industrial flue gas treatment plant according to claim 1, characterized in that: the spraying device comprises a cylinder body, a conical cover is arranged at the top of the cylinder body, and heating layers are arranged inside the side wall of the cylinder body and the side wall of the conical cover.