CN210863472U - Sampling and measuring device for particulate matters in exhaust gas of fixed pollution source - Google Patents

Abstract

The utility model discloses a particulate matter sampling and survey device in fixed pollution source exhaust, which comprises a housin, the intake pipe of three rather than the intercommunication of upper end fixedly connected with of casing, the bobbin of fixedly connected with and intake pipe intercommunication on the roof in the casing, and the bobbin cup joints in the output outside of intake pipe, be provided with the drainage fan in the bobbin, the bobbin is kept away from the one end fixedly connected with of intake pipe and is three rather than the gas-supply pipe of intercommunication the output of gas-supply pipe is connected with same aspiration pump, and the input fixedly connected with of aspiration pump and the air inlet mouth of pipe of three gas-supply pipe intercommunications, the output fixedly connected with of aspiration pump rather than three blast pipes of intercommunication, the particulate matter sampling survey mechanism of fixedly connected with and blast pipe intercommunication on the diapire. The utility model discloses can realize the collection of multiunit experiment, form the contrast and then improve the accuracy of testing result to reduce the influence of impurity to the result survey.

Description

Sampling and measuring device for particulate matters in exhaust gas of fixed pollution source

Technical Field

The utility model relates to an environmental monitoring technical field especially relates to particulate matter sampling and survey device in fixed pollution source exhaust.

Background

With the continuous progress of global industrialization, environmental pollution is more serious, various air dusts endanger human health, and in recent years, the environmental air quality standard related to PM2.5 and PM10 has been used for evaluating air quality. Many studies have demonstrated that particulate matter can cause damage to the respiratory and cardiovascular systems, leading to asthma, lung cancer, cardiovascular disease, birth defects, and premature death.

Wherein, atmospheric suspended particles (also called aerosol) is one of the important index of evaluation atmosphere quality, and current sampling survey device is sampling the particulate matter and the operation of contrast experiment is not carried out to the in-process of survey, has reduced the accuracy of particulate matter survey result, and then the actual conditions of reaction pollution source that can not be accurate, for this reason, we propose a particulate matter sampling and survey device in the fixed pollution source exhaust and solve the above-mentioned problem that proposes.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and particulate matter sampling and survey device in the fixed pollution source exhaust that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

particulate matter sampling and survey device in fixed pollution source exhaust, which comprises a housin, the upper end fixedly connected with of casing three intake pipes rather than the intercommunication, the bobbin of fixedly connected with and intake pipe intercommunication on the roof in the casing, and the bobbin cup joints in the output outside of intake pipe, be provided with drainage fan in the bobbin, the one end fixedly connected with rather than the gas-supply pipe of intercommunication of intake pipe is kept away from to the bobbin, three the output of gas-supply pipe is connected with same aspiration pump, and the input fixedly connected with of aspiration pump and the air inlet mouth of pipe of three gas-supply pipe intercommunications, the output fixedly connected with of aspiration pump rather than three blast pipes of intercommunication, the particulate matter sampling survey mechanism of fixedly connected with and blast pipe intercommunication on the casing diapire.

Preferably, the inner side wall of the shell is fixedly connected with an installation rod corresponding to the air extracting pump, the installation rod is fixedly connected with the inner wall of the shell through a plurality of bolts, and one end, far away from the inner wall of the shell, of the installation rod is fixedly connected with the side wall of the air extracting pump.

Preferably, a rectangular opening is formed in the front side wall of the shell, a rotating door is rotatably connected to the inner wall of the rectangular opening, and a controller connected with the air suction pump is arranged on the side wall of the rotating door.

Preferably, the fixed cover in upper end of intake pipe has connect the loop forming element, and by a plurality of fastening bolt fixed connection between loop forming element and the intake pipe lateral wall, fixedly connected with filter screen in the notch of loop forming element, and the filter screen corresponds with the port of intake pipe.

Preferably, particulate matter sampling survey mechanism includes the cylinder with the blast pipe intercommunication, and the cylinder is hollow structure, by supporting seat fixed connection between the lower extreme of cylinder and the casing diapire, set up a plurality of arc openings rather than the intercommunication on the lateral wall of cylinder, it has horizontally arc support to peg graft in the arc opening, and fixedly connected with support piece that corresponds with arc support on the inner wall of cylinder, the perchloro ethylene fiber filter membrane has been placed to arc support upper end in the cylinder.

Preferably, the side wall of the arc-shaped support is fixedly connected with a sealing rubber pad in contact with the inner wall of the arc-shaped opening, and the inner bottom wall of the cylinder is fixedly connected with a drying block.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through the intake pipe of three rather than the intercommunication of upper end fixedly connected with at the casing to at the upper end fixedly connected with loop forming element of intake pipe, rely on the filter screen of loop forming element upper end, can reduce impurity and get into to the intake pipe in, corresponding improvement testing result's accuracy, and go on when can realizing three experiments of group simultaneously.

2. Through being provided with a plurality of arc supports in the cylinder to place the perchloroethylene fibre filter membrane on the arc support, can realize the collection of multiunit experiment, form the contrast and improve the accuracy of testing result, in addition, through the dry piece of fixedly connected with on the diapire in the cylinder, moisture in the adsorbable air further improves the accuracy of testing result.

Drawings

Fig. 1 is a schematic view of an internal structure of a sampling and measuring device for particles in exhaust gas of a stationary pollution source provided by the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

fig. 3 is the utility model provides a particulate matter sampling and survey device's external structure schematic diagram in the exhaust of fixed pollution source.

In the figure: the device comprises a shell 1, an air inlet pipe 2, a bobbin 3, a flow guiding fan 4, an air delivery pipe 5, an air suction pump 6, an air exhaust pipe 7, an installation rod 8, a rotary door 9, a ring-shaped part 10, a filter screen 11, a cylinder 12, an arc-shaped support 13, a support part 14, a vinyl chloride fiber filter membrane 15 and a drying block 16.

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.

Referring to fig. 1-3, a sampling and measuring device for particulate matters in exhaust of a fixed pollution source comprises a shell 1, three air inlet pipes 2 communicated with the shell 1 are fixedly connected to the upper end of the shell 1, specifically, a ring-shaped member 10 is fixedly sleeved on the upper end of the air inlet pipe 2, the ring-shaped member 10 is fixedly connected with the side walls of the air inlet pipe 2 through a plurality of fastening bolts, a filter screen 11 is fixedly connected in a notch of the ring-shaped member 10, the filter screen 11 corresponds to the port of the air inlet pipe 2 and can reduce impurities from entering the air inlet pipe 2, accuracy of a measuring result is correspondingly improved, a bobbin 3 communicated with the air inlet pipe 2 is fixedly connected to the top wall in the shell 1, the bobbin 3 is sleeved outside the output end of the air inlet pipe 2, a drainage fan 4 is arranged in the bobbin 3, the drainage fan is a product in the prior art and can accelerate extraction rate of gas in the, the output of three gas-supply pipes 5 is connected with same aspiration pump 6, fixedly connected with and the installation pole 8 that aspiration pump 6 corresponds on 1 inside wall of casing, and by a plurality of bolt fixed connection between installation pole 8 and the 1 inner wall of casing, the one end that casing 1 inner wall was kept away from to installation pole 8 and the lateral wall fixed connection of aspiration pump 6, the dismouting of aspiration pump 6 of being convenient for, and stability when guaranteeing aspiration pump 6 to use, the air inlet mouth of pipe of the input fixedly connected with and the 5 intercommunications of three gas-supply pipes of aspiration pump 6.

Wherein, the output end of the air pump 6 is fixedly connected with three exhaust pipes 7 communicated with the air pump, the bottom wall in the shell 1 is fixedly connected with a particulate matter sampling and measuring mechanism communicated with the exhaust pipes 7, the particulate matter sampling and measuring mechanism comprises a cylinder 12 communicated with the exhaust pipes 7, the cylinder 12 is of a hollow structure, the lower end of the cylinder 12 is fixedly connected with the bottom wall in the shell 1 through a supporting seat, the side wall of the cylinder 12 is provided with a plurality of arc-shaped openings communicated with the cylinder 12, a horizontal arc-shaped bracket 13 is inserted in the arc-shaped openings, the inner wall of the cylinder 12 is fixedly connected with a supporting piece 14 corresponding to the arc-shaped bracket 13, the upper end of the arc-shaped bracket 13 in the cylinder 12 is provided with a perchloroethylene fiber filter membrane 15, concretely, the side wall of the arc-shaped bracket 13 is fixedly connected with a sealing rubber pad contacted, through being provided with a plurality of arc support 13 in cylinder 12 to place perchloroethylene fibre filter membrane 15 on arc support, can realize the collection of multiunit experiment, form the contrast and improve the accuracy of testing result, in addition, through fixedly connected with drying block 16 on the diapire in cylinder 12, can adsorb the moisture in the air, further improve the accuracy of testing result.

Wherein, seted up the rectangle opening on the preceding lateral wall of casing 1, and rotate on the rectangle opening inner wall and be connected with revolving door 9, be convenient for clear up and maintain the structure in the casing 1, be provided with the controller of being connected with aspiration pump 6 on the lateral wall of revolving door 9, the control process of this controller is prior art, and the operating personnel's of being convenient for use improves the efficiency of atmospheric particulates collection work.

When the utility model is used, the air pump 6 in the shell 1 is started, three air inlet pipes 2 communicated with the shell 1 are fixedly connected with the upper end of the shell 1, the upper end of the air inlet pipe 2 is fixedly connected with a ring-shaped element 10, impurities can be reduced from entering the air inlet pipe 2 by a filter screen 11 at the upper end of the ring-shaped element 10, the accuracy of a measuring result is correspondingly improved, and can simultaneously realize the simultaneous performance of three groups of experiments, the sucked atmosphere can be introduced into the cylinder 12 along the exhaust pipe 7, through arranging a plurality of arc-shaped supports 13 in the cylinder 12 and placing the perchloroethylene fiber filter membrane 15 on the arc-shaped supports 13, the collection of a plurality of groups of experiments can be realized, the contrast is formed, the accuracy of the measuring result is improved, in addition, the drying block 16 is fixedly connected to the inner bottom wall of the cylinder 12, so that moisture in the air can be adsorbed, and the accuracy of the measurement result can be further improved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. A sampling and measuring device for particulate matters in exhaust of a fixed pollution source comprises a shell (1) and is characterized in that the upper end of the shell (1) is fixedly connected with three air inlet pipes (2) communicated with the shell, a bobbin (3) communicated with the air inlet pipes (2) is fixedly connected to the inner top wall of the shell (1), the bobbin (3) is sleeved outside the output ends of the air inlet pipes (2), a drainage fan (4) is arranged in the bobbin (3), one end, far away from the air inlet pipes (2), of the bobbin (3) is fixedly connected with air conveying pipes (5) communicated with the bobbin, the output ends of the three air conveying pipes (5) are connected with a same air suction pump (6), the input end of the air suction pump (6) is fixedly connected with air inlet pipe openings communicated with the three air conveying pipes (5), and the output end of the air suction pump (6) is fixedly connected with three exhaust, and a particulate matter sampling and measuring mechanism communicated with the exhaust pipe (7) is fixedly connected to the inner bottom wall of the shell (1).

2. The device for sampling and measuring particulate matter in exhaust gas of a fixed pollution source according to claim 1, wherein an installation rod (8) corresponding to the air suction pump (6) is fixedly connected to the inner side wall of the casing (1), the installation rod (8) is fixedly connected with the inner wall of the casing (1) through a plurality of bolts, and one end, far away from the inner wall of the casing (1), of the installation rod (8) is fixedly connected with the side wall of the air suction pump (6).

3. The device for sampling and measuring particulate matter in exhaust gas of a fixed pollution source according to claim 1, wherein a rectangular opening is formed in a front side wall of the shell (1), a rotating door (9) is rotatably connected to an inner wall of the rectangular opening, and a controller connected with the air suction pump (6) is arranged on a side wall of the rotating door (9).

4. The device for sampling and measuring particulate matter in exhaust gas of a fixed pollution source according to claim 1, wherein a ring member (10) is fixedly sleeved at the upper end of the air inlet pipe (2), the ring member (10) is fixedly connected with the side wall of the air inlet pipe (2) through a plurality of fastening bolts, a filter screen (11) is fixedly connected in a notch of the ring member (10), and the filter screen (11) corresponds to a port of the air inlet pipe (2).

5. The device for sampling and measuring particulate matter in exhaust gas of a fixed pollution source according to claim 1, wherein the particulate matter sampling and measuring mechanism comprises a cylinder (12) communicated with the exhaust pipe (7), the cylinder (12) is of a hollow structure, the lower end of the cylinder (12) is fixedly connected with the inner bottom wall of the shell (1) through a supporting seat, a plurality of arc-shaped openings communicated with the cylinder (12) are formed in the side wall of the cylinder (12), a horizontal arc-shaped support (13) is inserted in each arc-shaped opening, a supporting member (14) corresponding to each arc-shaped support (13) is fixedly connected to the inner wall of the cylinder (12), and a perchloroethylene fiber filter membrane (15) is placed at the upper end of each arc-shaped support (13) in the cylinder (12).

6. The device for sampling and measuring particulate matter in exhaust gas of a stationary pollution source according to claim 5, wherein a sealing rubber gasket in contact with the inner wall of the arc-shaped opening is fixedly connected to the side wall of the arc-shaped support (13), and a drying block (16) is fixedly connected to the inner bottom wall of the cylinder (12).

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