CN209911069U

CN209911069U - Harmful gas sampling device

Info

Publication number: CN209911069U
Application number: CN201920762753.4U
Authority: CN
Inventors: 蒋一
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-25
Filing date: 2019-05-25
Publication date: 2020-01-07
Anticipated expiration: 2029-05-25

Abstract

The utility model discloses a harmful gas sampling device, including casing and air exhauster, the top of casing is connected with the base, and the top of base is provided with the barometer, the front side installation of casing is fixed with the air outlet valve, and the right side of casing is fixed with the intake pipe, the bottom of air inlet valve is connected with inlet channel, and inlet channel's right side is connected with the connecting pipe, the left side of casing is connected with the backup pad, and the left side of backup pad is connected with the anticollision strip, the left side of casing is provided with the outlet duct, and the bottom of outlet duct is connected with the extraction valve, the left side of extraction channel is connected with the air exhauster. This harmful gas sampling device can effectively make and be in the vacuum state in the casing, is favorable to improving the accuracy of harmful gas sample, can make the casing inside can reach with the isolated effect of external gas, can make the inside gas of casing and external world be linked together again, just can control the flow direction of gas in the casing.

Description

Harmful gas sampling device

Technical Field

The utility model relates to a gas sampling technical field specifically is a harmful gas sampling device.

Background

With the rapid progress of society, the construction of factories, the emission of harmful gases from factories is increasing, and the environmental pollution is becoming more and more serious, so that the sampling of harmful gases in the atmosphere becomes necessary, and people can know the quality of the atmosphere.

However, the existing harmful gas sampling device generally has certain problems that solid floating objects remained in the sampled harmful gas cannot be effectively filtered, and original gas existing in the device cannot be efficiently removed, so that the sampled gas is different from gas at a target site.

Disclosure of Invention

An object of the utility model is to provide a harmful gas sampling device to solve the harmful gas who proposes in the above-mentioned background art to the sample in remaining solid floater can not effective filtration, can not high-efficient the original gas that exists among the remove device, make the gas of sample and the problem that the gas of target location is different to some extent.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a harmful gas sampling device, includes casing and air exhauster, the top of casing is connected with the base, and the top of base is provided with the barometer to the handle is installed to the front side of casing, the front side installation of casing is fixed with the air outlet valve, and the right side of casing is fixed with the intake pipe, and the bottom of intake pipe is connected with the air intake valve, the bottom of air intake valve is connected with inlet channel, and inlet channel's right side is connected with the connecting pipe to the right side of connecting pipe is provided with the gauze, the left side of casing is connected with the backup pad, and the left side of backup pad is connected with the anticollision strip, the left side of casing is provided with the outlet duct, and the bottom of outlet duct is connected with the bleeder valve to the bottom of bleeder valve.

Preferably, the base and the shell form an integrated structure, and the base and the barometer are connected by a clamping groove.

Preferably, the number of the handles is 2, and the handles are made of stainless steel material.

Preferably, the air inlet channel is of an L-shaped structure, and the air inlet channel is in threaded connection with the connecting pipe.

Preferably, the support plates are arranged in a fan-shaped structure, and 2 support plates are symmetrically distributed about the longitudinal center line of the shell.

Preferably, the air exhaust channel is of an L-shaped structure, and the air exhaust channel is tightly connected with the exhaust fan through a rubber ring.

Compared with the prior art, the beneficial effects of the utility model are that: the harmful gas sampling device is provided with a sampling device,

1. the exhaust fan is adopted, so that the gas in the shell can be almost exhausted, the shell can be effectively in a vacuum state on the premise of ensuring the air tightness of the shell, and the accuracy of harmful gas sampling is improved;

2. the valve is used, so that the inside of the shell can be isolated from the outside air, and the inside air of the shell can be communicated with the outside, thus the flow direction of the air in the shell can be controlled, the air can enter from the air inlet channel, and the air can be discharged from the air exhaust channel;

3. the use of barometer can effectively survey the inside gas change condition of casing, can inspect the inside gas tightness of casing, is favorable to guaranteeing that isolated with external in the casing, can also guarantee that the gas situation of the gas and the target location of sample does not have very difference.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the overall left-side view structure of the present invention;

FIG. 3 is a schematic view of the overall structure of the utility model from the right;

fig. 4 is a schematic view of the overall overlooking structure of the present invention.

In the figure: 1. a housing; 2. a base; 3. a barometer; 4. a handle; 5. an air outlet valve; 6. an air inlet pipe; 7. an intake valve; 8. an air intake passage; 9. a connecting pipe; 10. gauze; 11. a support plate; 12. an anti-collision strip; 13. an air outlet pipe; 14. an air extraction valve; 15. an air extraction channel; 16. an exhaust fan.

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. 1-4, the present invention provides a technical solution: a harmful gas sampling device comprises a shell 1, a base 2, a barometer 3, a handle 4, an air outlet valve 5, an air inlet pipe 6, an air inlet valve 7, an air inlet channel 8, a connecting pipe 9, gauze 10, a supporting plate 11, an anti-collision strip 12, an air outlet pipe 13, an air exhaust valve 14, an air exhaust channel 15 and an exhaust fan 16, wherein the top of the shell 1 is connected with the base 2, the top of the base 2 is provided with the barometer 3, the front side of the shell 1 is provided with the handle 4, the front side of the shell 1 is fixedly provided with the air outlet valve 5, the right side of the shell 1 is fixedly provided with the air inlet pipe 6, the bottom of the air inlet pipe 6 is connected with the air inlet valve 7, the bottom of the air inlet valve 7 is connected with the air inlet channel 8, the right side of the air inlet channel 8 is connected with the connecting pipe 9, the right side of the, the left side of the shell 1 is provided with an air outlet pipe 13, the bottom of the air outlet pipe 13 is connected with an air exhaust valve 14, the bottom of the air exhaust valve 14 is connected with an air exhaust channel 15, and the left side of the air exhaust channel 15 is connected with an exhaust fan 16.

Base 2 and casing 1 constitute the integral structure, and base 2 with be connected for the draw-in groove, be favorable to base 2 to effectively support barometer 3, make the barometer 3 of circular panel can vertically lay at the top of casing 1, observe when being convenient for gas sampling.

Handle 4 has 2 about the horizontal central line symmetric distribution of casing 1, and handle 4 sets up to stainless steel material, mentions 2 handle 4 and can guarantee that casing 1 can be steady remove, makes things convenient for harmful gas's sampling.

Air inlet channel 8 is "L" type structure, and air inlet channel 8 and connecting pipe 9 are threaded connection, are favorable to air inlet channel 8 to connect the ascending air inlet valve 7 of vertical side and the connecting pipe 9 of horizontal direction, are convenient for change the gauze 10 that links to each other with connecting pipe 9.

Backup pad 11 sets up to fan-shaped structure, and backup pad 11 has 2 about the longitudinal center line symmetric distribution of casing 1, and backup pad 11 can carry out effectual support to air exhauster 16, controls 2 backup pads 11 and can make whole device control balanced.

Air exhaust passage 15 is "L" type structure, and air exhaust passage 15 passes through rubber band zonulae occludens with air exhauster 16, and air exhaust passage 15 can connect the last air exhaust valve 14 of vertical direction and the last air exhauster 16 of horizontal direction, and the rubber band can effectively guarantee the gas tightness of whole device.

The working principle is as follows: when the harmful gas sampling device is used, firstly, clean gauze 10 is replaced, at the moment, the connecting pipe 9 is rotated clockwise, the original connecting pipe 9 and gauze 10 are replaced by new clean connecting pipe 9 and gauze 10, and the clean connecting pipe 9 is rotated anticlockwise at one end with threads of the air inlet channel 8;

secondly, lifting the handle 4 to a target position for collecting harmful gas, screwing the gas outlet valve 5 clockwise, screwing the gas inlet valve 7 clockwise, opening the gas outlet valve 14, opening a switch of the exhaust fan 16 on the supporting plate 11 to enable the exhaust fan 16 to work, screwing the gas outlet valve 14 clockwise rapidly when the exhaust fan 16 works, then closing the exhaust fan 16, observing the barometer 3 fixed on the base 2, if a pointer swings left and right evenly on a certain scale or stops on a certain scale, indicating that the airtightness of the device is good, and if the scale value pointed by the pointer of the barometer 3 increases, indicating that the airtightness of the device is not good at the moment, needing to check the device, particularly the gas outlet valve 5, the gas inlet valve 7 and the gas outlet valve 14;

after the air tightness of the device is checked, the gas in the shell 1 can be pumped out, the gas outlet valve 5 and the gas inlet valve 7 are closed clockwise at the moment, the gas extraction valve 14 is opened by anticlockwise rotation, the power supply of the exhaust fan 16 is opened, so that the gas passes through the gas outlet pipe 13 and reaches the gas extraction channel 15, then the gas is discharged out of the shell 1 through the operation of the exhaust fan 16, the barometer 3 is observed, the pointer is stabilized at a certain low-value scale, the gas extraction valve 14 is quickly closed clockwise, and the gas in the shell 1 is pumped out;

then can sample the toxic gas, air inlet valve 7 is opened to anticlockwise rotation, the gas of being sampled filters the major diameter solid through gauze 10, the gas of being sampled reachs inlet channel 8 in proper order, air inlet valve 7 and intake pipe 6, reach casing 1 at last, at this in-process, observe barometer 3, the pointer is stabilized on a certain scale, air inlet valve 7 is closed to clockwise rotation, harmful gas's sampling has been accomplished, at this in-process, anticollision strip 12 can play the protection for casing 1, when using this sampling gas, the anticlockwise rotation is opened air outlet valve 5 and can be acquireed this sampling gas, holistic practicality has been increased.

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. A harmful gas sampling device, includes casing (1) and air exhauster (16), its characterized in that: the air pressure gauge is characterized in that the top of the shell (1) is connected with a base (2), the top of the base (2) is provided with an air pressure gauge (3), a handle (4) is installed on the front side of the shell (1), an air outlet valve (5) is installed and fixed on the front side of the shell (1), an air inlet pipe (6) is fixed on the right side of the shell (1), the bottom of the air inlet pipe (6) is connected with an air inlet valve (7), the bottom of the air inlet valve (7) is connected with an air inlet channel (8), the right side of the air inlet channel (8) is connected with a connecting pipe (9), gauze (10) is arranged on the right side of the connecting pipe (9), the left side of the shell (1) is connected with a supporting plate (11), the left side of the supporting plate (11) is connected with an anti-collision strip (12), the left side of the shell, and the bottom of the air extraction valve (14) is connected with an air extraction channel (15), and the left side of the air extraction channel (15) is connected with an exhaust fan (16).

2. A harmful gas sampling apparatus according to claim 1, wherein: the base (2) and the shell (1) form an integrated structure, and the base (2) is connected with the barometer (3) through a clamping groove.

3. A harmful gas sampling apparatus according to claim 1, wherein: the number of the handles (4) is 2 about the transverse center line of the shell (1), and the handles (4) are made of stainless steel materials.

4. A harmful gas sampling apparatus according to claim 1, wherein: the air inlet channel (8) is of an L-shaped structure, and the air inlet channel (8) is in threaded connection with the connecting pipe (9).

5. A harmful gas sampling apparatus according to claim 1, wherein: the supporting plate (11) is of a fan-shaped structure, and 2 supporting plates (11) are symmetrically distributed on the longitudinal center line of the shell (1).

6. A harmful gas sampling apparatus according to claim 1, wherein: the air exhaust channel (15) is of an L-shaped structure, and the air exhaust channel (15) is tightly connected with the exhaust fan (16) through a rubber ring.