CN211479491U

CN211479491U - PM2.5 ecological simulation device

Info

Publication number: CN211479491U
Application number: CN202020153924.6U
Authority: CN
Inventors: 黄芳; 刘航洲
Original assignee: Pingdingshan University
Current assignee: Pingdingshan University
Priority date: 2020-01-21
Filing date: 2020-01-21
Publication date: 2020-09-11
Anticipated expiration: 2030-01-21

Abstract

The utility model discloses a PM2.5 ecological simulation device, including the simulation case, the inside of simulation case is provided with simulation chamber and filter chamber respectively, the inboard fixedly connected with support of simulation case, and the inside of support has placed and has crossed the filter bag, the left side fixedly connected with air-supply line of simulation case, the air inlet pot head of air-supply line is equipped with the filter, the upper surface of air-supply line is provided with the powder and adds the mechanism, the interior roof fixedly connected with connecting pipe in simulation chamber, the exit end cover of connecting pipe is equipped with the collection bag. This ecological analogue means of PM2.5 collects the relevant waste gas in the life through setting up the collection bag, can flow into simulation intracavity portion with waste gas through the connecting pipe, can simulate PM 2.5's ecological environment through setting up the mechanism of induced drafting, the control valve powder and the volume that life waste gas flowed into the simulation chamber, through the content of the inside PM2.5 of first PM2.5 detector detectable simulation intracavity portion to make whole device have the effect that single simulation detected PM 2.5.

Description

PM2.5 ecological simulation device

Technical Field

The utility model relates to an ecological simulation technical field specifically is a PM2.5 ecological simulation device.

Background

PM2.5 is also called fine particles, fine particles and fine particles, the fine particles refer to particles with the aerodynamic equivalent diameter less than or equal to 2.5 microns in the environmental air, the particles can be suspended in the air for a long time, the higher the content concentration of the particles in the air, the more serious the air pollution is, although the PM2.5 is only a component with little content in the earth atmospheric components, the PM2.5 has important influence on the air quality, the visibility and the like, compared with the thicker atmospheric particles, the PM2.5 has the advantages of small particle size, large area, strong activity, easy attachment of toxic and harmful substances, long retention time in the atmosphere and long conveying distance, and therefore the influence on the human health and the atmospheric environmental quality is larger.

PM2.5 is always a very important problem in China, many factors in life can cause the PM2.5 value to rise, such as automobile exhaust, kitchen oil fume, factory exhaust and the like, in order to find out the main reasons of the PM2.5 value rise, an ecological simulation device needs to be established to detect single exhaust gas, but the existing simulation device is large in size, is limited by environment and regions during detection, cannot detect the influence of the single factor on the PM2.5 content, and brings many difficulties for PM2.5 treatment.

The utility model provides a PM2.5 ecological simulation device.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a PM2.5 ecological simulation device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a PM2.5 ecological simulation device, includes the simulation case, the inside of simulation case is provided with simulation chamber and filter chamber respectively, the inboard fixedly connected with support of simulation case, and the inside of support has placed and has crossed the filter bag, the left side fixedly connected with air-supply line of simulation case, the air inlet pot head of air-supply line is equipped with the filter, the upper surface of air-supply line is provided with the powder and adds the mechanism, the interior roof fixedly connected with connecting pipe in simulation chamber, the exit end cover of connecting pipe is equipped with collects the bag, the right side fixedly connected with play tuber pipe of simulation case, the exit end fixedly connected with mechanism that induced drafts of play tuber pipe.

Preferably, the upper surface of the simulation box is provided with a first PM2.5 detector and a second PM2.5 detector respectively, a detection pipe of the first PM2.5 detector is communicated with the simulation cavity, and a detection pipe of the second PM2.5 detector is communicated with the filter cavity.

Preferably, the support includes the diaphragm of fixed connection at the simulation incasement lateral wall, the upper surface and the equidistant fixedly connected with a plurality of riser of lower surface of diaphragm, the upper surface and the lower surface of diaphragm are provided with the chucking mechanism that a plurality of is used for the chucking to cross the filter bag.

Preferably, the clamping mechanism comprises a clamping groove formed in the upper surface and the lower surface of the transverse plate, a clamping block is rotatably connected to the inner side wall of the clamping groove, and a clamping spring is arranged on the lower surface of the clamping block.

Preferably, the powder adding mechanism comprises a powder pipe fixedly connected to the upper surface of the air inlet pipe, the top end of the powder pipe is fixedly connected with a powder storage box, and control valves are arranged on the outer surfaces of the powder pipe and the first connecting pipe.

Preferably, the air suction mechanism comprises an air box fixedly connected to the outlet end of the air outlet pipe, and the inner wall of the air box is fixedly connected with an air suction fan through a fixing column.

Advantageous effects

The utility model provides a PM2.5 ecological simulation device possesses following beneficial effect:

1. this ecological analogue means of PM2.5, can gather relevant waste gas in the life through setting up the collection bag, can flow into simulation intracavity portion with waste gas through the connecting pipe, can enter into the simulation chamber with external wind by the air-supply line through setting up the mechanism that induced drafts, can simulate PM 2.5's ecological environment through setting up the volume that control valve control powder and domestic waste gas flow in the simulation chamber, through the inside PM 2.5's of first PM2.5 detector detectable simulation chamber content, thereby make whole device have the effect that single simulation detected PM 2.5.

2. This ecological analogue means of PM2.5 can be with crossing the filter bag chucking on the support through setting up chucking mechanism, prevents the phenomenon that drops, can reduce the particle content in the air through setting up the filter bag, detects the content of filter intracavity PM2.5 through second PM2.5 detector, does the contrast with the simulation chamber, then discharges in the air, prevents to cause environmental pollution.

Drawings

FIG. 1 is a schematic view of a front cross-sectional structure of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

fig. 3 is a schematic structural view of a section B-B in fig. 1.

In the figure: the device comprises a simulation box 1, a simulation cavity 2, a filter cavity 3, a filter bag 4, an air inlet pipe 5, a filter 6, a connecting pipe 7, a collection bag 8, an air outlet pipe 9, a first PM2.5 detector 10, a second PM2.5 detector 11, a transverse plate 12, a vertical plate 13, a clamping groove 14, a clamping block 15, a clamping spring 16, a powder pipe 17, a powder storage box 18, an air box 19 and a suction fan 20.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides an ecological analogue means of PM2.5, including simulation case 1, simulation case 1's inside is provided with simulation chamber 2 and filter chamber 3 respectively, simulation case 1's upper surface is provided with first PM2.5 detector 10 and second PM2.5 detector 11 respectively, the test tube of first PM2.5 detector 10 is linked together with simulation chamber 2, the test tube of second PM2.5 detector 11 is linked together with filter chamber 3, through the content of first PM2.5 detector 10 and the inside PM2.5 of second PM2.5 detector 11 detectable simulation chamber 2 and filter chamber 3.

Simulation case 1's inboard fixedly connected with support, and the filter bag 4 has been placed to the inside of support, filter bag 4 is arranged in filtered air great granule, prevent to discharge in the atmosphere at the exhaust in-process at the air, cause environmental pollution, the support includes the diaphragm 12 of fixed connection at simulation case 1 inside wall, the upper surface of diaphragm 12 and a plurality of riser 13 of lower surface equidistance fixedly connected with, the upper surface and the lower surface of diaphragm 12 are provided with the chucking mechanism that a plurality of is used for the chucking filter bag 4, chucking mechanism is including seting up at the draw-in groove 14 of diaphragm 12 upper surface and lower surface, the inside wall of draw-in groove 14 rotates and is connected with chucking piece 15, the lower surface of chucking piece 15 is provided with chucking spring 16, but utilize chucking piece 15 chucking filter bag 4, prevent it from dropping.

Simulation case 1's left side fixedly connected with air-supply line 5, the air inlet pot head of air-supply line 5 is equipped with filter 6, filter 6 can prevent during great granule from getting into simulation chamber 2, influence the testing result, the upper surface of air-supply line 5 is provided with powder and adds the mechanism, powder adds the powder pipe 17 that the mechanism includes fixed connection at air-supply line 5 upper surface, the top fixedly connected with powder bin 18 of powder pipe 17, the surface of powder pipe 17 and first connecting pipe 7 all is provided with the control valve, it can suitably add relevant dust to utilize the powder to add the mechanism, it is that the environment of simulation accords with reality more.

Interior roof fixedly connected with connecting pipe 7 in simulation chamber 2, the exit end cover of connecting pipe 7 is equipped with collects bag 8, collect bag 8 and be used for collecting the waste gas that discharges in the life, make things convenient for the individual item to detect PM2.5 value, the right side fixedly connected with of simulation case 1 goes out tuber pipe 9, the exit end fixedly connected with of going out tuber pipe 9 mechanism of induced drafting, the mechanism of induced drafting includes fixed connection at the bellows 19 of going out tuber pipe 9 exit end, the inner wall of bellows 19 passes through fixed column fixedly connected with induced-draft fan 20, the mechanism of induced drafting mainly guides the direction that the air flows, the convenient detection.

The working principle is as follows: when the influence of domestic exhaust gas on a PM2.5 value needs to be detected singly, the gas is collected through a collecting bag 8 and is communicated with a simulation cavity 2 through a connecting pipe 7, an air suction fan 20 is started to enable outside air to enter from an air inlet pipe 5, a control valve is opened to add powder into a simulation box 1 in a proper amount, a first PM2.5 detector 10 is utilized to detect the content of PM2.5 in the simulation cavity 2, when the outside air is influenced by the air suction fan 20 and flows into a filter cavity 3 from the simulation cavity 2, larger particles can be prevented from flowing into the filter cavity 3 due to the effect of a filter bag 4, a second PM2.5 detector 11 detects the content of PM2.5 in the filter cavity 3 and compares the content with the simulation cavity 2, and finally the outside air is normally discharged into the air.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a PM2.5 ecological simulation device, includes simulation case (1), its characterized in that: the inside of simulation case (1) is provided with simulation chamber (2) and filter chamber (3) respectively, the inboard fixedly connected with support of simulation case (1), and the inside of support has placed and has crossed filter bag (4), the left side fixedly connected with air-supply line (5) of simulation case (1), the air inlet pot head of air-supply line (5) is equipped with filter (6), the upper surface of air-supply line (5) is provided with the powder and adds the mechanism, the interior roof fixedly connected with connecting pipe (7) of simulation chamber (2), the exit end cover of connecting pipe (7) is equipped with collection bag (8), the right side fixedly connected with of simulation case (1) goes out tuber pipe (9), the exit end fixedly connected with of going out tuber pipe (9) mechanism of induced drafting.

2. A PM2.5 ecological simulation means according to claim 1, characterized in that: the upper surface of simulation case (1) is provided with first PM2.5 detector (10) and second PM2.5 detector (11) respectively, the test tube of first PM2.5 detector (10) is linked together with simulation chamber (2), the test tube of second PM2.5 detector (11) is linked together with filter chamber (3).

3. A PM2.5 ecological simulation means according to claim 1, characterized in that: the support includes diaphragm (12) of fixed connection at simulation case (1) inside wall, the upper surface and the equidistant fixedly connected with a plurality of riser (13) of lower surface of diaphragm (12), the upper surface and the lower surface of diaphragm (12) are provided with the chucking mechanism that a plurality of is used for the chucking to cross filter bag (4).

4. A PM2.5 ecological simulation means according to claim 3, characterized in that: the clamping mechanism comprises a clamping groove (14) formed in the upper surface and the lower surface of the transverse plate (12), a clamping block (15) is rotatably connected to the inner side wall of the clamping groove (14), and a clamping spring (16) is arranged on the lower surface of the clamping block (15).

5. A PM2.5 ecological simulation means according to claim 1, characterized in that: the powder adds mechanism includes powder pipe (17) of fixed connection at air-supply line (5) upper surface, the top fixedly connected with powder bin (18) of powder pipe (17), the surface of powder pipe (17) and first connecting pipe (7) all is provided with the control valve.

6. A PM2.5 ecological simulation means according to claim 1, characterized in that: the air suction mechanism comprises an air box (19) fixedly connected to the outlet end of the air outlet pipe (9), and the inner wall of the air box (19) is fixedly connected with an air suction fan (20) through a fixing column.