CN216498513U

CN216498513U - Filter equipment is used in atmosphere pollution control

Info

Publication number: CN216498513U
Application number: CN202123353916.XU
Authority: CN
Inventors: 袁枫林
Original assignee: Shanghai Luxi Environmental Technology Co ltd
Current assignee: Shanghai Luxi Environmental Technology Co ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-05-13
Anticipated expiration: 2031-12-29

Abstract

The utility model discloses a filtering device for preventing and treating atmospheric pollution, which comprises an outer shell, an air outlet and an air inlet, wherein the side surface of the bottom of the outer shell is connected with the air inlet, and the four sides of the upper end of the outer shell are connected with annular air outlets; the inner layer at the bottom of the outer shell is filled with gas absorption solution, and the upper end of the gas absorption solution is provided with a gas secondary filter layer; an air exhaust mechanism is arranged at the air outlet at the top end of the outer shell. The liquid absorption solution and the gas secondary filter layer are matched to form a plurality of pollution gases which are filtered and discharged, so that the higher discharge standard is achieved; the air exhaust efficiency of the air outlet is improved by arranging the air exhaust mechanism at the air outlet, so that the air pressure inside the outer shell is reduced, the gas absorption solution and the gas secondary filter layer form a pressure difference with the air inlet, the inflow of pollution gas of the air inlet is accelerated, and the purification efficiency of the whole gas absorption solution and the whole gas secondary filter layer is improved.

Description

Filter equipment is used in atmosphere pollution control

Technical Field

The utility model belongs to the field of gas filtration, and particularly relates to a filtering device for preventing and treating atmospheric pollution.

Background

Along with the continuous improvement of industrial production technology, the production speed is constantly accelerated, but along with coming then the aggravation of industrial pollution, lead to air quality to constantly reduce, air pollution is more and more serious, especially the industrial city that the mill concentrates, sulfur dioxide, nitrogen dioxide, carbon dioxide, chlorine and PM2.5 index in the air are constantly climbed, in order to reduce this kind of phenomenon, often need use atmosphere pollution prevention and cure device to manage air quality, however, harmful gas content in the air after the air pollution prevention and cure device purification general on the market is difficult to reach emission standard, purify inadequately, and the gas emission after the purification is inefficient, make prevention and cure atmospheric effect poor.

Disclosure of Invention

The utility model provides a filtering device for preventing and treating atmospheric pollution, aiming at the problems that the content of harmful gas in the air purified by the prior art is difficult to reach the emission standard, the purification is insufficient, the emission efficiency of the purified gas is low, and the atmospheric control effect is poor.

In order to achieve the technical purpose, the technical scheme adopted by the utility model is as follows:

a filtering device for preventing and treating atmospheric pollution comprises an outer shell, an air outlet and an air inlet, wherein the side surface of the bottom of the outer shell is connected with the air inlet, and the four sides of the upper end of the outer shell are connected with annular air outlets; the inner layer at the bottom of the outer shell is filled with gas absorption solution, and the upper end of the gas absorption solution is provided with a gas secondary filter layer; an air exhaust mechanism is arranged at the air outlet at the top end of the outer shell.

Further, exhaust mechanism includes motor, axis of rotation and exhaust fan leaf, and inside the motor extended to the shell body through the axis of rotation, axis of rotation bottom and exhaust fan leaf fixed connection, the axis of rotation rotated with the shell body and is connected, and the motor passes through mount pad and shell body top fixed connection.

Furthermore, the surface of the air outlet is movably connected with a louver fan, the upper end and the lower end of the air outlet are fixedly connected with a plurality of connecting rods, and the connecting rods penetrate through the louver fan and are rotatably connected with the louver fan.

Further, the gas secondary filter layer comprises an activated carbon adsorption block, a chemical reaction adsorption block and a water absorption block which are arranged in the outer shell from bottom to top; the activated carbon adsorption block, the chemical reaction adsorption block and the water absorption block are blocky, the upper side and the lower side of the activated carbon adsorption block are respectively provided with a breathable net, and the middle part of the activated carbon adsorption block is provided with a filler.

Furthermore, the filler filled in the middle of the activated carbon adsorption block is activated carbon, the filler filled in the middle of the chemical reaction adsorption block is sodium hydroxide and calcium hydroxide, and the desiccant is filled in the middle of the water absorption block.

Furthermore, the whole body of the outer shell is in a cylindrical shape or a cuboid shape, and the activated carbon adsorption block, the chemical reaction adsorption block and the water absorption block are clamped with or welded with the inner side wall of the outer shell.

Further, the air inlet is connected with an air inlet pipeline, a liquid check valve is arranged on the air inlet pipeline, and the air inlet pipeline at the outer end of the outer shell is higher than the liquid level of the gas absorption solution.

Furthermore, the bottom of the outer shell is also provided with a liquid changing port, and a stop valve is arranged at the joint of the liquid changing port and the outer shell.

Further, shell body top side still is equipped with gas sensor, and gas sensor passes through the bolt and is connected with the shell body, and gas sensor detection end is towards air outlet department.

Compared with the prior art, the utility model has the following beneficial effects:

the liquid absorption solution and the gas secondary filter layer are matched to form a plurality of polluted gases which are filtered and discharged, so that the higher discharge standard is achieved; the air exhaust efficiency of the air outlet is improved by arranging the air exhaust mechanism at the air outlet, so that the air pressure inside the outer shell is reduced, the gas absorption solution and the gas secondary filter layer form a pressure difference with the air inlet, the inflow of pollution gas of the air inlet is accelerated, and the purification efficiency of the whole gas absorption solution and the whole gas secondary filter layer is improved. Thereby improving the atmosphere control effect of the whole filtering device for atmosphere pollution control.

Drawings

FIG. 1 is a schematic view of the overall structure of a filtering apparatus for preventing and treating atmospheric pollution according to the present invention;

FIG. 2 is a schematic view of the structure of the ventilation net of the utility model with a cuboid outer shell;

FIG. 3 is a schematic view of the structure of the ventilation net with the cylindrical outer shell.

The notation in the figure is: 1-outer shell, 2-gas absorption solution, 3-gas secondary filter layer, 4-motor, 5-rotating shaft, 6-exhaust fan blade, 7-mounting seat, 8-connecting rod, 9-louver, 31-activated carbon adsorption block, 32-chemical reaction adsorption block, 33-water absorption block, 10-ventilation net, 11-air inlet pipe, 12-liquid check valve, 13-liquid changing port, 14-check valve and 15-gas sensor.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.

As shown in fig. 1, the filtering device for preventing and treating atmospheric pollution comprises an outer shell 1, an air outlet and an air inlet, wherein the side surface of the bottom of the outer shell 1 is connected with the air inlet, and the four sides of the upper end of the outer shell 1 are connected with annular air outlets; the inner layer at the bottom of the outer shell 1 is filled with a gas absorption solution 2, and the upper end of the gas absorption solution 2 is provided with a gas secondary filter layer 3; an air draft mechanism is arranged at the air outlet at the top end of the outer shell 1. The gas absorption solution 2 in this embodiment is ordinary water or a mixed solution of sodium hydroxide and calcium hydroxide.

The ventilation mechanism comprises a motor 4, a rotating shaft 5 and a ventilation fan blade 6, wherein the motor 4 extends to the interior of the outer shell 1 through the rotating shaft 5, the bottom end of the rotating shaft 5 is fixedly connected with the ventilation fan blade 6, the rotating shaft 5 is rotatably connected with the outer shell 1, and the motor 4 is fixedly connected with the top of the outer shell 1 through a mounting seat 7. The exhaust flow rate of the air outlet is improved through the structure of the motor 4 and the exhaust fan blade 6; the gas to be purified or the gas after purification is prevented from waiting for purification or staying for too long time in the outer shell 1, and the purification or filtration efficiency of the whole filtering device for preventing and treating atmospheric pollution is prevented from being influenced.

The surface of the air outlet is movably connected with a louver fan 9, the upper end and the lower end of the air outlet are fixedly connected with a plurality of connecting rods 8, and the connecting rods 8 penetrate through the louver fan 9 and are rotatably connected with the louver fan 9. The rotation of the louver fan 9 in the air flow increases or decreases the air outflow surface of the outer case 1, which is cleaned.

The gas secondary filter layer 3 comprises an activated carbon adsorption block 31, a chemical reaction adsorption block 32 and a water absorption block 33 which are arranged in the outer shell 1 from bottom to top; the activated carbon adsorption block 31, the chemical reaction adsorption block 32 and the water absorption block 33 are blocky, the upper side and the lower side are provided with the breathable nets 10, and the middle part is provided with a filler. The ventilation net 10 accelerates the ventilation surface of air, and does not affect the fixation or placement of fillers in the activated carbon adsorption block 31, the chemical reaction adsorption block 32 and the water absorption block 33. The arrangement of the activated carbon adsorption block 31, the chemical reaction adsorption block 32 and the water absorption block 33 facilitates the replacement of the gas secondary filter layer 3.

The filler filled in the middle of the activated carbon adsorption block 31 is activated carbon, the filler filled in the middle of the chemical reaction adsorption block 32 is sodium hydroxide and calcium hydroxide, and the desiccant is filled in the middle of the water absorption block 33. The activated carbon adsorbs part of water or pollutant gas in the gas filtered by the gas absorption solution 2, and the deodorizing function is achieved. The sodium hydroxide reacts with chlorine and nitrogen dioxide to achieve the effect of adsorbing two gases; the calcium hydroxide reacts with the sulfur dioxide and the carbon dioxide to achieve the effect of absorbing the two gases. The desiccant in the uppermost absorbent block 33 inside the outer casing 1 plays a final role of drying the gas, and absorbs part of the moisture generated by the reaction in the chemical reaction adsorption block 32.

The whole body of the outer shell 1 is in a cylindrical shape or a cuboid shape, and the activated carbon adsorption block 31, the chemical reaction adsorption block 32 and the water absorption block 33 are clamped with or welded with the inner side wall of the outer shell 1. Splicing or fixedly placing a plurality of different connecting structures through the outer shell 1 with a plurality of different structure body types; the corresponding activated carbon adsorption blocks 31, chemical reaction adsorption blocks 32 and water absorption blocks 33 have corresponding changes in the structure of the breathable net 10, as shown in fig. 2 or 3.

An air inlet pipeline 11 is connected at the air inlet, a liquid check valve 12 is arranged on the air inlet pipeline 11, and the air inlet pipeline 11 at the outer end of the outer shell 1 is higher than the liquid level of the gas absorption solution 2. The liquid check valve 12 is provided to prevent the gas absorbing solution 2 from flowing back into the intake duct 11, affecting the intake efficiency of the intake duct 11. The air inlet pipe 11 is disposed higher than the liquid level of the gas absorption solution 2 to prevent the backflow of the liquid.

The bottom of the outer shell 1 is also provided with a liquid changing port 13, and a stop valve 14 is arranged at the joint of the liquid changing port 13 and the outer shell 1. The liquid change port 13 is provided for the purpose of facilitating the replacement of the gas absorbing solution 2, and the check valve 14 functions to prevent the gas absorbing solution 2 from leaking out when the solution is not replaced.

The side of the top end of the outer shell body 1 is also provided with a gas sensor 15, the gas sensor 15 is connected with the outer shell body 1 through a bolt, and the detection end of the gas sensor 15 faces the air outlet. Whether harmful gas discharged from the air outlet exceeds the standard or not is detected through the gas sensor 15, and the effect of monitoring whether the gas discharge port reaches the standard or not is achieved.

the liquid absorption solution and the gas secondary filter layer 3 are matched to form a plurality of polluted gases which are filtered and discharged, so that higher discharge standard is achieved; improve the air discharge efficiency of air outlet through set up updraft ventilator mechanism in air outlet department, and then reduce the inside air pressure of shell body 1, gaseous absorption solution 2, gaseous secondary filter layer 3 all form the atmospheric pressure difference with the air intake, and then accelerate the gaseous inflow of the polluted gas of air intake, improve the purification efficiency of whole gaseous absorption solution 2 and gaseous secondary filter layer 3. Thereby improving the atmosphere control effect of the whole filtering device for atmosphere pollution control.

The filter device for preventing and treating air pollution provided by the application is described in detail above. The description of the specific embodiments is provided to facilitate an understanding of the structure and design of the present application. It should be noted that, for those skilled in the art, it is possible to make several improvements and modifications to the present application without departing from the principle of the present application, and such improvements and modifications also fall within the scope of the claims of the present application.

Claims

1. The filtering device for preventing and treating the atmospheric pollution is characterized by comprising an outer shell (1), an air outlet and an air inlet, wherein the side surface of the bottom of the outer shell (1) is connected with the air inlet, and the four sides of the upper end of the outer shell (1) are connected with annular air outlets; the inner layer at the bottom of the outer shell (1) is filled with gas absorption solution (2), and the upper end of the gas absorption solution (2) is provided with a gas secondary filter layer (3); an air draft mechanism is arranged at the air outlet at the top end of the outer shell (1).

2. The filtering device for preventing and treating atmospheric pollution as recited in claim 1, wherein said air draft mechanism comprises a motor (4), a rotating shaft (5) and a fan blade (6), the motor (4) extends into the outer casing (1) through the rotating shaft (5), the bottom end of the rotating shaft (5) is fixedly connected with the fan blade (6), the rotating shaft (5) is rotatably connected with the outer casing (1), and the motor (4) is fixedly connected with the top of the outer casing (1) through a mounting seat (7).

3. The filtering device for preventing and treating atmospheric pollution as recited in claim 2, wherein said air outlet surface is movably connected with a louver fan (9), the upper and lower ends of the air outlet are fixedly connected with a plurality of connecting rods (8), and the connecting rods (8) penetrate through the louver fan (9) and are rotatably connected with the louver fan (9).

4. The filtering device for preventing and treating atmospheric pollution according to claim 3, wherein the gas secondary filtering layer (3) comprises an activated carbon adsorption block (31), a chemical reaction adsorption block (32) and a water absorption block (33) which are arranged in the outer shell (1) from bottom to top; the activated carbon adsorption block (31), the chemical reaction adsorption block (32) and the water absorption block (33) are blocky, the upper side and the lower side of the activated carbon adsorption block are respectively provided with a ventilation net (10), and the middle part of the activated carbon adsorption block is provided with a filler.

5. The filtering device for preventing and treating atmospheric pollution as defined in claim 4, wherein the filling material filled in the middle of said activated carbon adsorption block (31) is activated carbon, the filling material filled in the middle of said chemical reaction adsorption block (32) is sodium hydroxide and calcium hydroxide, and the drying agent is filled in the middle of said water absorption block (33).

6. The filtering device for preventing and treating atmospheric pollution according to claim 5, wherein the outer casing (1) is cylindrical or rectangular, and the activated carbon adsorption block (31), the chemical reaction adsorption block (32) and the water absorption block (33) are clamped with or welded to the inner side wall of the outer casing (1).

7. A filtering device for preventing and treating atmospheric pollution, as claimed in claim 6, wherein said air inlet is connected with an air inlet pipe (11), said air inlet pipe (11) is provided with a liquid check valve (12), and the air inlet pipe (11) at the outer end of the outer shell (1) is higher than the liquid level of the gas absorption solution (2).

8. The filtering device for preventing and treating atmospheric pollution according to claim 7, wherein a liquid changing port (13) is further formed at the bottom of the outer shell (1), and a check valve (14) is arranged at the joint of the liquid changing port (13) and the outer shell (1).

9. The filtering device for preventing and treating atmospheric pollution according to claim 8, wherein a gas sensor (15) is further arranged on the side surface of the top end of the outer shell (1), the gas sensor (15) is connected with the outer shell (1) through a bolt, and the detection end of the gas sensor (15) faces the air outlet.