CN218573096U

CN218573096U - Waste gas purification device

Info

Publication number: CN218573096U
Application number: CN202221882005.8U
Authority: CN
Inventors: 后洁琼; 卢卫宁; 臧佳克; 彭涛嘉
Original assignee: Northwest Research Institute of Mining and Metallurgy
Current assignee: Northwest Research Institute of Mining and Metallurgy
Priority date: 2022-07-20
Filing date: 2022-07-20
Publication date: 2023-03-07
Anticipated expiration: 2032-07-20

Abstract

The application relates to a waste gas purification device, which comprises a box body (2) and a tank body (5) which are communicated, wherein a sealing door (3) is arranged at the front end of the box body (2), a strip-shaped clamping groove (10) is arranged on the lower inner wall of the box body (2), the strip-shaped clamping groove (10) is vertical to the sealing door (3), and the width of the clamping groove is adapted to the width of a filter screen (11); the upper outer wall of the box body (2) is provided with a fixing part (4), the fixing part (4) is provided with a fixing shaft (43) extending into the box body (2), the top of the filter screen (11) is provided with a fixing hole (111) into which the fixing shaft (43) can be inserted, and the fixing part (4) can be operated to enable the fixing shaft (43) to be inserted into or withdrawn from the fixing hole (111). This application has realized the quick assembly disassembly of filter screen through setting up fixed part and bar draw-in groove for the box, through setting up circulating device (8) for jar body, can let exhaust gas recirculation purify, has guaranteed purification quality.

Description

Waste gas purification device

Technical Field

The application relates to the technical field of waste gas treatment, in particular to a waste gas purification device.

Background

Industrial waste gas is a generic term for various pollutant-containing gases discharged into the air during the fuel combustion and production processes in the plant area of an enterprise, and the waste gas comprises: carbon dioxide, carbon disulfide, hydrogen sulfide, fluoride, nitrogen oxide, chlorine, hydrogen chloride, carbon monoxide, lead mercury sulfate (fog), beryllium compounds, smoke dust and productive dust are discharged into the atmosphere to pollute the air, and the substances enter the human body through respiratory tracts in different ways, so that some substances directly cause harm and some substances have an accumulation effect to seriously harm the health of people, and the waste gas is generally treated by using a waste gas purification device.

The prior waste gas purifying device has the following disadvantages: 1. before the waste gas is sprayed and purified by using the spraying liquid medicine, large-particle impurities in the waste gas are filtered by a common filter screen, and the filter screen can be blocked by the particles after a long time, so that the filter screen needs to be replaced regularly, most of the filter screens are complex in installation mode, the disassembly and replacement time is long, and the efficiency is influenced; 2. when the waste gas is sprayed and purified, the waste gas is generally treated once and then discharged, and part of toxic substances in the waste gas are not completely neutralized and are directly discharged, so that the purification quality is influenced.

Disclosure of Invention

The technical problem that this application will be solved provides a filter screen easy dismounting's exhaust gas purification device.

In order to solve the problems, the application provides a waste gas purification device which comprises a box body provided with a filter screen and a tank body provided with a spraying device, wherein the box body is communicated with the tank body; the upper outer wall of the box body is provided with a fixing part at a position opposite to the strip-shaped clamping groove, the fixing part is provided with a fixing shaft extending into the box body, the top of the filter screen is provided with a fixing hole into which the fixing shaft can be inserted, and the fixing part can be operated to enable the fixing shaft to be inserted into or withdrawn from the fixing hole.

Preferably, the fixing part comprises a concave block, a pressing block movably connected to the concave block through a rotating shaft, and a fixing shaft movably connected to one end of the pressing block through a rotating shaft, and the fixing shaft extends into the box body through a through groove.

Preferably, the middle part of the fixed shaft is movably sleeved with a spring, and the lower part of the fixed shaft is movably sleeved with a check ring; the through groove inner wall is provided with a holding groove with the diameter becoming larger, and the holding groove is used for holding the check ring and the spring.

Preferably, the left lower part of the tank body is provided with an air inlet pipe, the right upper part of the tank body is provided with an air outlet pipe, and the tank body further comprises a circulating device, wherein the circulating device is used for absorbing and conveying the gas at the upper part in the tank body to the lower part.

Preferably, the circulating device comprises a second pump body arranged outside the tank body, the air suction end of the second pump body extends to the upper part in the tank body through the air suction pipe, and the air discharge end of the second pump body extends to the lower part in the tank body.

Preferably, a plurality of baffles are distributed in the tank body from bottom to top in a staggered manner, and the baffles extend a distance from the inner wall of the tank body to the center; the spraying device is arranged on the upper outer wall of the tank body, the liquid outlet end of the spraying device extends into the tank body, and the bottom of each baffle is provided with an atomizing nozzle.

Compared with the prior art, the method has the following advantages:

in this application, through set up fixed part and bar draw-in groove in the box, realized the quick assembly disassembly of filter screen, easy operation dismantles the change time weak point, has improved work efficiency. In addition, this application has further set up circulating device for the jar body, can let waste gas recirculation purify, has avoided the partial noxious material in the waste gas not totally by the neutralization, has guaranteed purification quality.

Drawings

The following describes embodiments of the present application in further detail with reference to the accompanying drawings.

Fig. 1 is a schematic overall structure diagram of an exhaust gas purification apparatus according to an embodiment of the present application.

Fig. 2 is a schematic cross-sectional structural diagram of an exhaust gas purification apparatus according to an embodiment of the present application.

Fig. 3 is a schematic overall structure diagram of a fixing component according to an embodiment of the present application.

Fig. 4 is a schematic partial sectional view of a tank provided in an embodiment of the present application.

Fig. 5 is a schematic overall structure diagram of a filter screen according to an embodiment of the present application.

In the figure: 1. a fan; 2. a box body; 3. a sealing door; 4. a fixing member; 5. a tank body; 6. a spraying device; 7. an exhaust pipe; 8. a circulation device; 9. a controller; 10. a fixed block; 11. a filter screen; 61. a first pump body; 62. a medicine chest; 63. an atomizing spray head; 51. an electrically operated valve; 52. a baffle plate; 81. a second pump body; 82. an air suction pipe; 41. a pressing block; 42. a concave block; 43. a fixed shaft; 44. a spring; 45. a retainer ring; 21. a through groove; 22. accommodating grooves; 111. and (7) fixing holes.

Detailed Description

Referring to fig. 1 to 5, an embodiment of the present application provides an exhaust gas purification apparatus, which mainly includes a tank 2 and a tank 5, wherein a filter screen 11 is disposed inside the tank 2 and mainly performs a filtering function; the tank body 5 is internally provided with a spraying device 6 which mainly plays a role in spraying and purifying. A fan 1 is arranged on the left side of the box body 2, and the exhaust end of the fan 1 extends into the box body 2; the tank body 5 is arranged on the right side of the tank body 2 and is communicated with the tank body 2, an air inlet pipe is arranged at the left lower part of the tank body 5, and an exhaust pipe 7 is arranged at the right upper part; the upper end of the tank body 5 is provided with a spraying device 6, and the spraying device 6 extends into the tank body 5.

The front end of the box body 2 is provided with a sealing door 3 through a hinge, and the rear end of the sealing door 3 extends into the box body 2. The lower inner wall of the box body 2 is provided with a strip-shaped clamping groove 10 which can be formed by two fixed blocks distributed left and right; the position of the strip-shaped clamping groove 10 corresponds to the sealing door 3, the direction is vertical to the sealing door 3, and the width is adaptive to that of the filter screen 11; the strip-shaped clamping grooves 10 are used for accommodating the bottoms of the filter screens 11, and the two ends of each strip-shaped clamping groove 10 are open, so that the filter screens 11 can slide in and out conveniently.

The upper outer wall of the box body 2 is provided with a fixing part 4, and the position of the fixing part 4 corresponds to the strip-shaped clamping groove 10, so that the filter screen 11 is fixed together; the fixing member 4 has a fixing shaft 43 extended to the inside of the cabinet 2, the top of the filter net 11 has a fixing hole 111 into which the fixing shaft 43 is inserted, and the fixing shaft 43 is inserted into or withdrawn from the fixing hole 111 by operating the fixing member 4.

When the filter screen 11 needs to be replaced, the sealing door 3 is opened, the fixing shaft 43 is driven to move upwards by operating the fixing part 4, the lower end of the fixing shaft 43 is separated from the fixing hole 111, and then the filter screen 11 is drawn out from the strip-shaped clamping groove 10, so that the filter screen can be detached. And a new filter screen 11 is inserted into the strip-shaped clamping groove 10, and then the fixing shaft 43 is moved downwards by operating the fixing part 4 and falls into the fixing hole 111, so that the replacement can be completed. Referring to fig. 3 and 4, in the present application, the fixing member may include a pressing block 41, a concave block 42, and a fixing shaft 43; the concave block 42 is arranged on the upper outer wall of the box body 2, the opening is upward, the pressing block 41 is movably connected in the upward opening of the concave block 42 through a rotating shaft, and the fixed shaft 43 is movably connected at the left end of the pressing block 41 through a rotating shaft; a (circular) through groove 21 is formed in the middle of the upper end of the box body 2, the fixing shaft 43 extends into the box body 2 through the through groove 21, and the fixing shaft 43 can move up and down in the (circular) through groove 21.

Furthermore, a spring 44 can be movably sleeved in the middle of the outer cylindrical surface of the fixed shaft 43, and a retainer ring 45 is movably sleeved at the lower part of the outer cylindrical surface; the inner wall of the through groove 21 is provided with a (circular) accommodating groove 22 with a larger diameter, and the accommodating groove 22 is used for accommodating the retainer ring 45 and the spring 44.

When the filter screen 11 needs to be replaced, the right end of the pressing block 41 is pressed, the left end of the pressing block 41 drives the fixing shaft 43 to move upwards, the lower end of the fixing shaft 43 is separated from the fixing hole 111, and then the filter screen 11 is pulled out from the strip-shaped clamping groove 10, so that the filter screen 11 can be detached. A new filter screen 11 is inserted into the strip-shaped clamping groove 10, the pressing block 41 is loosened, the fixed shaft 43 moves downwards under the action of the elastic force of the spring 44 (under the condition that the spring 44 is not provided, the right end of the pressing block 41 can be manually lifted), and the filter screen falls into the fixed hole 111, so that the replacement can be completed.

Referring to fig. 2, the spraying device 6 is arranged on the upper outer wall of the tank 5, and specifically comprises a first pump body 61, a medicine box 62 and an atomizing nozzle 63; the first pump body 61 and the medicine box 62 are installed at the upper end of the tank body 5, the liquid suction end of the first pump body 61 is connected with the medicine box 62, and the liquid outlet end extends into the tank body 5 through a pipeline. Liquid medicine is arranged in the medicine chest 62, and the atomizing nozzle 63 is used for spraying the liquid medicine to neutralize harmful substances in the waste gas. Further, an electric valve 51 is inserted and connected to a lower end of the tank 5, and the electric valve 51 discharges waste liquid in the tank 5.

Referring to fig. 1 and 2, in the present application, the tank 5 further includes a circulating device 8, and the circulating device 8 is configured to absorb and convey the gas at the upper portion in the tank 5 to the lower portion, so as to increase the number of times the gas is sprayed (the number of times of circulation depends on actual requirements), thereby enhancing the spraying purification effect of the exhaust gas. Specifically, the circulation device 8 comprises a second pump body 81 and a circulation duct; the second pump body 81 is arranged on the right side of the tank body 5, the air suction pipe 82 is installed at the air suction end of the second pump body 81, one end, far away from the second pump body 81, of the air suction pipe 82 extends to the upper portion in the tank body 5, and the air discharge end of the second pump body 81 extends to the lower portion in the tank body 5.

Referring to fig. 2, in the present application, a plurality of baffles 52 are distributed in the tank 5 from bottom to top in a staggered manner, the baffles 52 extend a distance from the inner wall of the tank 5 to the center, and an atomizing nozzle 63 is arranged at the bottom of each baffle 52 to prolong the contact time between the gas and the spraying liquid medicine, thereby enhancing the spraying purification effect of the waste gas. For example, the baffle plates 52 are respectively arranged at the left lower part, the right middle part and the left upper part of the inner cylindrical surface of the tank body 5, and the baffle plates 52 are semicircular and have the same diameter as the inner diameter of the tank body 5. The suction pipe 82 in the circulation device 8 is located between the intermediate baffle plate 52 and the exhaust pipe 7.

In this application, fan 1, the first pump body 61, motorised valve 51 and the second pump body 81 all with controller 9 electric connection, controller 9 installs in the surface front portion of jar body 5 for control fan 1, the first pump body 61, motorised valve 51 and the operation of the second pump body 81.

In conclusion, when the waste gas purification device is used, the fan 1 sucks waste gas into the box body 2, the filter screen 11 filters out large-particle impurities in the waste gas, then the waste gas enters the tank body 5, the first pump body 61 is opened, liquid medicine in the medicine box 62 is conveyed into the atomizing spray head 63 by the first pump body 61 and sprayed out, harmful substances in the waste gas are neutralized, the specific gravity of the neutralized waste gas is reduced, the waste gas gradually moves upwards, the power supply of the second pump body 81 is opened through the controller 9, the suction end of the second pump body 81 conveys the waste gas on the upper layer to the bottom of the tank body 5 through the suction pipe 82, the gas is sprayed and purified again, partial toxic substances in the waste gas are prevented from being completely neutralized, and then the exhaust pipe 7 is opened to discharge the gas. When the filter screen 11 needs to be detached or installed, the filter screen is rapidly detached through the fixing part 4 and the strip-shaped clamping grooves 10.

The technical solutions provided in the present application are described in detail above. The principle and the implementation of the present application are explained by applying specific examples, and the above description of the embodiments is only used to help understand the structure and the core idea of the present application. It should be noted that, for those skilled in the art, without departing from the principle of the present application, the present application can also make several improvements and modifications, and those improvements and modifications also fall into the protection scope of the claims of the present application.

Claims

1. The utility model provides an exhaust gas purification device, is including box (2) that are equipped with filter screen (11) and jar body (5) that are equipped with spray set (6), box (2) with jar body (5) are linked together, its characterized in that: a sealing door (3) is arranged at the front end of the box body (2), a strip-shaped clamping groove (10) is arranged on the lower inner wall of the box body (2) at a position corresponding to the sealing door (3), the strip-shaped clamping groove (10) is perpendicular to the sealing door (3), and the width of the clamping groove is matched with that of the filter screen (11); the upper outer wall of the box body (2) is provided with a fixing part (4) at a position opposite to the strip-shaped clamping groove (10), the fixing part (4) is provided with a fixing shaft (43) extending to the inside of the box body (2), the top of the filter screen (11) is provided with a fixing hole (111) allowing the fixing shaft (43) to be inserted, and the fixing part (4) can enable the fixing shaft (43) to be inserted or withdrawn from the fixing hole (111).

2. The exhaust gas purification apparatus according to claim 1, wherein the fixing member includes a concave block (42), a pressing block (41) movably coupled to the concave block (42) by a rotation shaft, and the fixing shaft (43) movably coupled to one end of the pressing block (41) by a rotation shaft, and the fixing shaft (43) extends to the inside of the housing (2) through a through groove (21).

3. An exhaust gas purification apparatus as claimed in claim 2, wherein a spring (44) is movably sleeved in the middle of the fixed shaft (43), and a retainer ring (45) is movably sleeved on the lower portion of the fixed shaft (43); and an accommodating groove (22) with the diameter being increased is formed in the inner wall of the through groove (21), and the accommodating groove (22) is used for accommodating the retainer ring (45) and the spring (44).

4. An exhaust gas purification apparatus as claimed in claim 1, wherein the tank (5) is provided with an inlet pipe at a lower left portion and an outlet pipe (7) at an upper right portion, and the tank (5) further comprises a circulation device (8), and the circulation device (8) is adapted to absorb and convey gas at an upper portion in the tank (5) to the lower portion.

5. An exhaust gas purification apparatus as claimed in claim 4, wherein said circulation device (8) comprises a second pump body (81) disposed outside said tank (5), a suction end of said second pump body (81) extending to an upper portion inside said tank (5) through a suction pipe (82), and a discharge end extending to a lower portion inside said tank (5).

6. An exhaust gas purification apparatus as claimed in claim 1, wherein a plurality of baffles (52) are alternately distributed in the tank (5) from bottom to top, the baffles (52) extending a distance from the inner wall of the tank (5) to the center; the spraying device is arranged on the upper outer wall of the tank body (5), the liquid outlet end of the spraying device extends into the tank body (5), and an atomizing nozzle (63) is arranged at the bottom of each baffle (52).