CN214794371U

CN214794371U - Detection device for detecting efficiency of filter for filtering atmospheric pollutants

Info

Publication number: CN214794371U
Application number: CN202121154839.2U
Authority: CN
Inventors: 黄海泉
Original assignee: Guangzhou Haojing Purification And Filtration Equipment Co ltd
Current assignee: Guangzhou Haojing Purification And Filtration Equipment Co ltd
Priority date: 2021-05-26
Filing date: 2021-05-26
Publication date: 2021-11-19
Anticipated expiration: 2031-05-26

Abstract

The application relates to a detection apparatus for be used for detecting filtration atmospheric pollutants efficiency of filter, its including set up at the terminal collection wind device of filtration passageway and fixed cover at the detection case of collection wind device air-out end, the directional detection case of air-out direction of collection wind device. This application has the waste gas after filtering and mixes effect that flows to the detection case and detect again more evenly.

Description

Detection device for detecting efficiency of filter for filtering atmospheric pollutants

Technical Field

The present application relates to the field of filtering atmospheric pollutants, and more particularly, to a detection device for detecting the efficiency of a filter for filtering atmospheric pollutants.

Background

In the process of industrial production, more waste gas is often generated, the direct discharge of industrial waste gas into the atmosphere can cause very bad influence on the atmosphere, and when pollutants are more in the atmosphere, the purification of the atmosphere needs to cost more, therefore, the waste gas can be generally purified at the end of the atmosphere discharge process.

Still need detect the gas after filtering with the efficiency of obtaining the filter to filtering atmospheric pollutants behind exhaust purification usually, however, the waste gas after the multilayer filtration is when the flow direction detection case, and the pollutant content in the waste gas is less, and because of gravity or various external factors such as mutual absorption, pollutant distribution is inhomogeneous in the waste gas that leads to after filtering easily to influence the accuracy of testing result.

SUMMERY OF THE UTILITY MODEL

In order to make the pollutant that the post-filtration waste gas that detection device detected contains more even, this application provides the detection device who is used for detecting the filtration atmospheric pollutants efficiency of filter.

The application provides a detection device for detecting filtration atmospheric pollutants efficiency of filter adopts following technical scheme:

a detection device for detecting filtration atmospheric pollutants efficiency of filter, including set up at the terminal collection wind device of filtration passageway and the fixed detection case that covers at collection wind device air-out end, the directional detection case of air-out direction of collection wind device.

Through adopting above-mentioned technical scheme, let in waste gas in the wind device of collection for waste gas flows to the detection case again after the even mixture of wind device of collection, is favorable to reducing the waste gas after the filtration and contains pollutant concentration inequality, leads to the data that the detection case detected the condition that deviation or fluctuation appears, makes the data that the detection case detected more stable.

Preferably, the wind collecting device comprises a wind collecting table, the wind collecting table is hollow to form an air duct, the peripheral wall of the wind collecting table is hollow to form a mixing cavity for waste gas to flow in, the bottom end of the mixing cavity is communicated with the air duct, and the detection box is arranged at the wind outlet end of the air duct.

Through adopting above-mentioned technical scheme, let in the hybrid chamber of collection wind table with waste gas, waste gas flows to filling the hybrid chamber in the hybrid chamber and flows to the air channel in, waste gas upwards flows to detection case department after mixing in the air channel for waste gas after the filtration can flow to the detection case again after mixing evenly in the air channel.

Preferably, the peripheral wall of the air duct is spaced from the ground, the wind collecting device further comprises a heightening beam fixed on the ground, and the bottom end of the peripheral wall of the air duct is abutted to the heightening beam.

Through adopting above-mentioned technical scheme, collection wind table has certain weight, and the increase roof beam can support the perisporium of ventiduct, is favorable to reducing the long-term unsettled juncture that leads to the perisporium of ventiduct and collection wind table of ventiduct and receives to drag and the condition of easy appearance damage.

Preferably, the wind collecting table is provided with a pressing assembly for pressing the detection box.

Through adopting above-mentioned technical scheme, be favorable to reducing the detection case and receive the wind-force of mobile waste gas and take place the condition of displacement to reduce the condition that detection case displacement to not covering the air duct air outlet.

Preferably, the compressing assembly comprises a screw fixed at the top end of the wind collecting table and a pressing strip connected with the screw in a sliding mode, the number of the screw is not less than two, the two sides of the detection box are arranged on the screw, nuts are connected to the screw in a threaded mode, the two ends of the pressing strip are respectively sleeved on the two screws, and the pressing strip is located below the nuts.

By adopting the technical scheme, the upper sliding pressing strip is pressed on the detection box, then the nut is rotated, so that the pressing strip is stably pressed on the detection box, the detection box is more easily kept stable, and the fixing operation of the detection box is simpler and more convenient.

Preferably, a gasket is connected to the screw in a sliding manner, and the gasket is located between the pressing strip and the nut.

Through adopting above-mentioned technical scheme for the nut is difficult not hard up, is favorable to reducing the condition that the long-term vibrations of detection case lead to the nut not hard up.

Preferably, the top wall of the wind collecting table is fixedly connected with a rubber sheet, and the rubber sheet is clamped between the bottom wall of the detection box and the top wall of the wind collecting table.

By adopting the technical scheme, when the detection box vibrates, the rubber sheet is beneficial to damping and reducing noise; simultaneously be favorable to increasing the frictional force between detection case and the collection wind table for the detection case is difficult for taking place the displacement more, and is favorable to reducing the condition of wearing and tearing collection wind table when the detection case takes place vibrations and displacement.

Preferably, the side wall of the air collection table is fixedly connected with an air inlet pipe, the air inlet pipe is communicated with the tail end of the filtering channel, the bottom wall of the air inlet pipe is obliquely arranged, and the oblique lower end of the air inlet pipe points to the inside of the air collection table.

By adopting the technical scheme, the condition that pollutants are adhered to the air inlet pipe is favorably reduced.

In summary, the present application includes at least one of the following beneficial technical effects:

1. waste gas is introduced into the air collecting device, so that the waste gas is uniformly mixed in the air collecting device and then flows to the detection box, the concentration of pollutants contained in the filtered waste gas is favorably reduced, the condition that the data detected by the detection box is deviated or fluctuated is caused, and the data detected by the detection box is more stable;

2. the pressing strip is slid upwards to press the pressing strip on the detection box, then the nut is rotated to stably press the pressing strip on the detection box, so that the detection box is more easily kept stable, and the fixing operation of the detection box is simpler and more convenient;

3. when the detection box vibrates, the rubber sheet is beneficial to damping and reducing noise; simultaneously be favorable to increasing the frictional force between detection case and the collection wind table for the detection case is difficult for taking place the displacement more, and is favorable to reducing the condition of wearing and tearing collection wind table when the detection case takes place vibrations and displacement.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the detection device for detecting the efficiency of filtering atmospheric pollutants of a filter according to the present application;

FIG. 2 is a cross-sectional view of the apparatus for detecting the efficiency of a filter to filter atmospheric contaminants according to the present application.

Description of reference numerals: 1. a filtration channel; 2. a detection box; 3. a wind collecting table; 4. an air inlet pipe; 5. an air duct; 6. increasing the height of the beam; 7. a mixing chamber; 8. a rubber sheet; 9. a screw; 10. a nut; 11. a gasket; 12. and (7) pressing strips.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses a detection device for detecting the efficiency of filtering atmospheric pollutants of a filter.

Referring to fig. 1, the detection device for detecting the efficiency of filtering the atmospheric pollutants of the filter comprises an air collecting device arranged at the tail end of a filtering channel 1 and a detection box 2 arranged at the air outlet end of the air collecting device, and the air collecting device comprises an air collecting table 3 and a pressing assembly arranged at the top of the air collecting table 3 and used for pressing the detection box 2.

Referring to fig. 1 and 2, an air inlet pipe 4 is fixed on the side wall of the air collection table 3, the air inlet pipe 4 is a square pipeline, the bottom wall of the air inlet pipe 4 is arranged obliquely, and the oblique lower end of the bottom wall of the air inlet pipe 4 points to the inside of the air collection table 3, so that pollutants are not easy to be adsorbed on the bottom wall of the air inlet pipe 4.

Referring to fig. 1 and 2, collection wind table 3 is square table, and 3 cavity formation of collection wind table supply the ventiduct 5 of waste gas inflow, and ventiduct 5 is square pipeline, and the roof of

ventiduct

5 and 3 roof fixed connection of collection wind table, and the diapire of ventiduct 5 and ground leave the interval, and collection wind device is still including fixing the increase roof beam 6 on ground, increases roof beam 6 and is equipped with two, thereby increases roof beam 6 and the diapire butt of ventiduct 5 and supports the perisporium of ventiduct 5.

Referring to fig. 2, the peripheral wall of the air collecting table 3 is hollow to form a mixing chamber 7 for the exhaust gas to flow into and mix with, the mixing chamber 7 is an annular chamber, and the mixing chamber 7 is communicated with the air inlet pipe 4 and the ventilation duct 5. Waste gas flows from air-supply line 4 and mixes in 7 mixing chamber after mixing evenly again from the diapire of air flue 5 and the clearance between the ground flow to air flue 5 in mix, overflows again after mixing in to detection case 2 for the waste gas that detection case 2 detected is more even, makes the data that record more stable.

Referring to fig. 2, fixedly connected with sheet rubber 8 on the roof of collection wind table 3, sheet rubber 8 corresponds the frame of detection case 2 and is equipped with four, and four sheet rubbers 8 support detection case 2 to be favorable to the shock attenuation.

Referring to fig. 2, the compressing assembly includes a screw 9 fixed on the top wall of the wind collecting table 3, four vertex angles of the screw 9 corresponding to the detection box 2 are provided, the screw 9 is connected with a nut 10 in a threaded manner, a pressing strip 12 and a gasket 11 are connected on the screw 9 in a sliding manner, and the pressing strip 12 is located between the gasket 11 and the nut 10. The length direction of the pressing strips 12 is consistent with the length direction of the air collecting table 3, two pressing strips 12 are arranged, and two ends of each pressing strip 12 in the length direction are respectively in sliding connection with the screw rods 9 located at two top corners of the detection box 2 in the length direction. When the detection box 2 needs to be compressed, the nut 10 is screwed, the pressing strip 12 is adjusted to enable the pressing strip 12 to compress the detection box 2, and the situation that the detection box 2 moves freely to be staggered with the air outlet of the air duct 5 under the action of air flow is favorably reduced.

The implementation principle of the detection device for detecting the efficiency of filtering the atmospheric pollutants of the filter is as follows: the nut 10 is tightened to slide the bead 12 over the detection box 2, and then the bead 12 is slid down to press the detection box 2 tightly by the bead 12, thereby fixing the detection box 2.

After waste gas is discharged from filtering channel 1, waste gas flows into air-supply line 4, flow again and mix in mixing chamber 7, waste gas after mixing flows into in ventilation flue 5 from the diapire of ventilation flue 5 and the clearance between the ground, thereby make waste gas further mix in ventilation flue 5, waste gas overflows to detection case 2 after the collection is full in ventilation flue 5 in, make the pollutant that contains in the back waste gas of straining that detection case 2 detected more even, make the waste gas pollutant content data that detection case 2 detected more stable.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A detection device for detecting the efficiency of filter atmospheric pollutants, its characterized in that: the air filter comprises an air collecting device arranged at the tail end of a filter channel (1) and a detection box (2) fixedly covered at an air outlet end of the air collecting device, wherein the air outlet direction of the air collecting device points to the detection box (2).

2. The detecting device for detecting the efficiency of filtering atmospheric pollutants of a filter according to claim 1, characterized in that: the wind collecting device comprises a wind collecting table (3), a hollow ventilating duct (5) is formed in the wind collecting table (3), a mixing cavity (7) for waste gas to flow into is formed in the hollow wall of the wind collecting table (3), the bottom end of the mixing cavity (7) is communicated with the ventilating duct (5), and the detection box (2) is arranged at the wind outlet end of the ventilating duct (5).

3. The detecting device for detecting the efficiency of filtering atmospheric pollutants of a filter according to claim 2, characterized in that: the wind collecting device is characterized in that a space is reserved between the peripheral wall of the ventilating duct (5) and the ground, the wind collecting device further comprises a heightening beam (6) fixed on the ground, and the bottom end of the peripheral wall of the ventilating duct (5) is abutted to the heightening beam (6).

4. The detecting device for detecting the efficiency of filtering atmospheric pollutants of a filter according to claim 2, characterized in that: the wind collecting table (3) is provided with a pressing component for pressing the detection box (2).

5. The detecting device for detecting the efficiency of filtering atmospheric pollutants of a filter according to claim 4, characterized in that: compress tightly the subassembly including being fixed in screw rod (9) on collection wind table (3) top and with screw rod (9) sliding connection's layering (12), two are no less than in screw rod (9), the both sides of detection case (2) are located in screw rod (9), threaded connection has nut (10) on screw rod (9), on two screw rods (9) were located to layering (12) both ends cover respectively, layering (12) are located nut (10) below.

6. The detecting device for detecting the efficiency of filtering atmospheric pollutants of a filter according to claim 5, characterized in that: the screw rod (9) is connected with a gasket (11) in a sliding mode, and the gasket (11) is located between the pressing strip (12) and the nut (10).

7. The detecting device for detecting the efficiency of filtering atmospheric pollutants of a filter according to claim 5, characterized in that: the roof of collection wind table (3) still fixedly connected with sheet rubber (8), sheet rubber (8) are pressed from both sides between detection case (2) diapire and collection wind table (3) roof.

8. The detecting device for detecting the efficiency of filtering atmospheric pollutants of a filter according to claim 2, characterized in that: the lateral wall fixedly connected with air-supply line (4) of collection wind table (3), air-supply line (4) and filtration passageway (1) end intercommunication, the diapire slope of air-supply line (4) sets up, the directional collection wind table (3) inside of slope lower extreme of air-supply line (4).