CN214952462U

CN214952462U - Novel gas sample collecting device

Info

Publication number: CN214952462U
Application number: CN202120883993.7U
Authority: CN
Inventors: 王明; 白艳兵; 翟志鹏
Original assignee: Henan Mingde Environmental Protection Engineering Co ltd
Current assignee: Henan Mingde Environmental Protection Engineering Co ltd
Priority date: 2021-04-27
Filing date: 2021-04-27
Publication date: 2021-11-30
Anticipated expiration: 2031-04-27

Abstract

The utility model discloses a novel gaseous sample collection device, including outer container, gas holder and exhaust chamber, the exhaust chamber is installed to one side of outer container, the internally mounted of outer container has the gas holder, the top of outer container is run through and is installed the outlet duct, and the outlet duct runs through and install on the gas holder roof, there is gaseous ration chamber at the top of outlet duct through threaded connection, the inlet duct is installed to one side that the exhaust chamber is kept away from to the outer container. This practicality carries out quantitative determination to the gas sample through installing gaseous ration chamber, prevents because the volume of drawing does not to causing the sample detection error to appear, and installs the gas holder and seal up gas storage, prevents that gas from leaking and causes harm to operator's health.

Description

Novel gas sample collecting device

Technical Field

The utility model relates to a gas collection field specifically is a novel gaseous sample collection device.

Background

Gas is one of four basic states of matter (the other three being solid, liquid, plasma, respectively). The gas may be composed of a single atom (e.g., rare gas), a single molecule of an element (e.g., oxygen), a compound molecule of a plurality of elements (e.g., carbon dioxide), etc., and the gas mixture may include a plurality of gaseous substances such as air, and the gas is a fluid like a liquid, which can flow and be deformed, and unlike a liquid, the gas can be compressed, and now the air is polluted due to environmental changes, which generates various harmful gases.

The existing gas sample collecting device has the following defects:

1. in the use process of the existing gas sample collecting device, because gas has volatility, the gas volatilizes to generate special pungent smell, the gas collecting device cannot achieve good sealing effect, and the gas is leaked in the extraction and use process, so that the harm to the health of an operator is easily caused;

2. the existing gas sample collecting device cannot effectively control the detection amount of a gas sample in the using process, and the detection is inaccurate easily because of the error of the use amount of the gas sample, so that the detection progress of the gas sample is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a gas sample collection device for solve the easy leakage of the gas that proposes in the above-mentioned background art and cause harm to operator's health, the ration is inconvenient when gaseous collecting and using, causes the unsafe problem of gas detection easily.

In order to achieve the above purpose, the utility model provides the following technical scheme: the utility model provides a gas sample collection device, includes outer container, gas holder and exhaust chamber, the exhaust chamber is installed to one side outer wall of outer container, the internally mounted of outer container has a pair of gas holder, the top of outer container is run through and is installed the outlet duct, and the bottom of outlet duct runs through and install inside the gas holder, there is gaseous ration chamber at the top of outlet duct through threaded connection, the inlet duct is installed to one side that the exhaust chamber was kept away from to the outer container, and the inside at the gas holder is run through to install on the top of inlet duct.

Preferably, the top of outer container is run through and is installed the barometer, and the barometer is located one side of outlet duct, and the bottom of barometer runs through at the top of gas holder, and the internally mounted of outer container has the baffle, and the baffle is located the inboard of gas holder, and the front of outer container is installed through the bolt and is dismantled the board, and the portable pole is installed in the front of dismantling the board.

Preferably, the connecting pipe is installed in the inboard run-through of gas holder, and the connecting pipe run-through is installed in the inside of baffle, and first valve is installed to the outer wall of outlet duct.

Preferably, the inside mounting of exhaust box has the aspiration pump, and the exhaust tube is installed to the output of aspiration pump, and the exhaust tube runs through and installs in one side of gas holder, and the air outlet is installed to one side that the outer container was kept away from to the aspiration pump, and the air outlet window is installed to one side that the outer container was kept away from to the exhaust box.

Preferably, the second valve is installed on the outer wall of the gas quantitative cavity, the rubber piston is installed inside the gas quantitative cavity, the top of the rubber piston is connected with the pull rod, and the pull rod penetrates through the top of the gas quantitative cavity.

Preferably, the third valve is installed at the top of air inlet pipe, and there is the filter screen inside air inlet pipe through threaded connection, and air inlet pipe bottom is connected with the collecting vat through the screw hole, and the arc air inlet is installed to air inlet pipe's output.

Compared with the prior art, this practical beneficial effect is:

1. the utility model discloses an install the gas holder, the inboard of gas holder runs through and installs the connecting pipe, and the connecting pipe runs through and installs in one side of baffle, and first valve is installed to one side of outlet duct, and a set of gas holder stores the partial pressure to the gas sample, prevents that gas holder from breaking because of the pressure is too big, and the gas holder is sealed gas through first valve and third valve, prevents that gas from leaking and causing harm to operator's health;

2. the utility model discloses an install gaseous ration chamber, carry out the ration extraction through the gaseous gas in the gas holder of gaseous ration chamber scale on the surface, the inconvenient problem of ration when having changed current device and using has very strong practicality, and gaseous ration chamber is sealed the gas of extraction through the second valve, prevents that the gas sample from leaking from gaseous ration chamber bottom.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is a schematic front view of the present invention;

FIG. 4 is a schematic view of the intake duct structure of the present invention;

in the figure: 1. an outer box; 101. a barometer; 102. a partition plate; 103. disassembling the plate; 104. a hand-held lever; 2. a gas storage tank; 201. a connecting pipe; 202. an air outlet pipe; 203. a first valve; 3. an air extraction box; 301. an air pump; 302. an air exhaust pipe; 303. a vent window; 304. an air outlet; 4. a gas dosing chamber; 401. a rubber piston; 402. a pull rod; 403. a second valve; 5. an air intake duct; 501. an arc-shaped air inlet; 502. a third valve; 503. a filter screen; 504. and (4) collecting the tank.

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. All other embodiments obtained by persons skilled in the art based on the embodiments in the present application without any creative work belong to the protection scope of the present application.

Referring to fig. 1-4, an embodiment of the present invention is provided: a gas sample collecting device comprises an outer box 1, a gas storage tank 2 and a gas extraction tank 3, wherein the gas extraction tank 3 is installed on the outer wall of one side of the outer box 1, suction force is generated through a device in the gas extraction tank 3, gas to be collected is absorbed under the action of the suction force, so that the gas enters the gas storage tank 2 from the outside, a pair of gas storage tanks 2 are installed inside the outer box 1, a gas outlet pipe 202 is installed at the top of the outer box 1 in a penetrating mode, the bottom of the gas outlet pipe 202 is installed inside the gas storage tank 2 in a penetrating mode, the gas storage tank 2 stores and seals the gas absorbed by the gas extraction tank 3, the gas storage tank 2 is protected by the outer box 1, the gas storage tank 2 is prevented from being damaged under the action of external force, gas leakage in the gas storage tank 2 is caused, the gas in the gas storage tank 2 can be extracted through the gas outlet pipe 202, the gas outlet pipe 202 is closed, so that the gas outlet of the gas storage tank 2 is sealed, a gas quantitative cavity 4 is connected to the top of the gas outlet pipe 202 through threads, carry out the ration extraction through the gas of gas ration chamber 4 in to gas holder 2, gas ration chamber 4 and outlet duct 202 pass through threaded connection, form airtight space after connecting, avoid gas ration extraction in-process gas to appear leaking, outer container 1 is kept away from one side of exhaust chamber 3 and is installed admission line 5, and the top of admission line 5 runs through the inside of installing at gas holder 2, and the suction that exhaust chamber 3 produced is used in admission line 5, makes in gas gets into gas holder 2 through admission line 5, and gas is through filtering in admission line 5, prevents to dope other materials in the gas of absorption and piles up in gas holder 2, influences the follow-up use of device, through closing admission line 5, makes the air inlet of gas holder 2 form sealedly.

Further, the top of outer container 1 is run through and is installed barometer 101, and barometer 101 is located one side of outlet duct 202, the bottom of barometer 101 runs through at the top of gas holder 2, the internally mounted of outer container 1 has baffle 102, and baffle 102 is located the inboard of gas holder 2, dismantlement board 103 is installed through the bolt in the front of outer container 1, portable pole 104 is installed in the front of dismantlement board 103, measure the gas pressure of storing in the gas holder 2 through barometer 101, prevent that atmospheric pressure from excessively causing gas holder 2 to break, keep apart gas holder 2 through baffle 102, make and have the buffer zone between the gas holder 2, also play the fixed action to gas holder 2, when needing to overhaul, unscrew the bolt and open dismantlement board 103, overhaul the inside of outer container 1, then install back dismantlement board 103, mention the gas collection device through portable pole 104.

Further, the inboard of gas holder 2 runs through and installs connecting pipe 201, and connecting pipe 201 runs through and installs the inside at baffle 102, first valve 203 is installed to the outer wall of outlet duct 202, connect through connecting pipe 201 between 2 gas holders, make gaseous circulation in 2 gas holders again, when not extracting gas, first valve 203 on the outlet duct 202 is in the off-state, the first valve 203 of closing seals the gas outlet of gas holder 2, avoid the gas in 2 gas holders to leak from outlet duct 202, when the gas detection survey of need extracting, open first valve 203, make gas flow out from outlet duct 202.

Further, the internally mounted of exhaust box 3 has aspiration pump 301, aspiration tube 302 is installed to the output of aspiration pump 301, and aspiration tube 302 runs through and installs the one side at gas holder 2, one side that outer container 1 was kept away from to aspiration pump 301 installs gas outlet 304, one side that outer container 1 was kept away from to exhaust box 3 installs air outlet 303, protect aspiration pump 301 through exhaust box 3, prevent that aspiration pump 301 from appearing damaging because of external force, operation aspiration pump 301, suction appears in aspiration tube 302 under the operation of aspiration pump 301, suction effect is in the inside of gas holder 2, suck away the air in the gas holder 2 through aspiration pump 301, discharge to exhaust box 3 from gas outlet 304 again, the gas in the exhaust box 3 is discharging through air outlet 303.

Further, a second valve 403 is installed on the outer wall of the gas quantifying cavity 4, a rubber piston 401 is installed inside the gas quantifying cavity 4, the top of the rubber piston 401 is connected with a pull rod 402, the pull rod 402 is installed on the top of the gas quantifying cavity 4 in a penetrating manner, when collected gas needs to be detected, the gas quantifying cavity 4 is connected to the inside of the gas outlet pipe 202 through external threads, the gas outlet pipe 202 is opened, the second valve 403 is unscrewed, the pull rod 402 is pulled, the movement of the pull rod 402 drives the rubber piston 401 to move in the gas quantifying cavity 4, the rubber piston 401 forms suction force in the movement process of the gas quantifying cavity 4, the formed suction force acts on the gas outlet pipe 202, gas in the gas storage tank 2 is sucked into the inner space of the gas quantifying cavity 4, then the gas outlet pipe 202 is closed, the pull rod 402 is continuously pulled until the gas quantifying cavity is stopped after being pulled, then the second valve 403 is screwed, and the gas quantifying cavity 4 is sealed, preventing gas leakage.

Furthermore, a third valve 502 is installed at the top of the gas inlet pipeline 5, a filter screen 503 is connected inside the gas inlet pipeline 5 through threads, a collecting groove 504 is connected at the bottom of the gas inlet pipeline 5 through threaded holes, an arc-shaped gas inlet 501 is installed at the output end of the gas inlet pipeline 5, when gas is extracted, the third valve 502 is unscrewed, external gas enters the gas storage tank 2 through the gas inlet pipeline 5, the range of the gas is enlarged through the arc-shaped gas inlet 501, gas samples can be extracted more reasonably, the filter screen 503 performs double filtration on the gas entering the gas inlet pipeline 5, it is prevented that some other small objects are sucked into the gas storage tank 2 due to too large suction force and accumulated in the gas storage tank 2, the subsequent use of the device is affected, the objects filtered by the filter screen 503 fall into the collecting groove 504 for storage, the filter screen 503 is detachable, and after the gas is collected, the third valve 502 is screwed down, make gas holder 2 form sealedly, dismantle the collecting vat 504 and get rid of the sanitization, dismantle filter screen 503 again and wash, accomplish the reuse to filter screen 503.

The working principle is as follows: when gas is collected, the first valve 203 is screwed down to seal the upper part of the gas storage tank 2, the third valve 502 is screwed down, the air pump 301 is opened, suction force is formed in the air pumping pipe 302, the suction force acts on the air inlet pipeline 5, external gas is sucked into the air inlet pipeline 5 through the arc-shaped air inlet 501, impurities in the sucked gas are filtered through the filter screen 503, the gas after twice filtration enters the gas storage tank 2 for storage, gas pressure detection is carried out on the gas in the gas storage tank 2 through the barometer 101, the air pump 301 is closed after certain gas pressure is reached, the third valve 502 is screwed down to seal the gas storage tank 2 to prevent subsequent gas from leaking out, then the filter screen 503 and the collecting tank 504 are taken down, the gas quantifying cavity 4 is connected to the top part of the gas outlet pipe 202 after being cleaned up, the first valve 203 and the second valve 403 are screwed down successively, then the pull rod 402 is pulled, and quantitatively extracting the gas in the gas storage tank 2, and after extraction is finished, sequentially closing the first valve 203 and the second valve 403, and reserving the gas in the gas storage tank 2 for subsequent detection.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a novel gaseous sample collection device, includes outer container (1), gas holder (2) and exhaust chamber (3), its characterized in that: extraction box (3) are installed to one side outer wall of outer container (1), the internally mounted of outer container (1) has a pair of gas holder (2), the top of outer container (1) is run through and is installed outlet duct (202), and the bottom of outlet duct (202) runs through and install inside gas holder (2), there is gaseous ration chamber (4) at the top of outlet duct (202) through threaded connection, outer container (1) is kept away from one side of extraction box (3) and is installed admission line (5), and the top of admission line (5) runs through the inside of installing at gas holder (2).

2. A novel gas sample collection device according to claim 1, wherein: the top of outer container (1) is run through and is installed barometer (101), and barometer (101) are located one side of outlet duct (202), and the bottom of barometer (101) is run through at the top of gas holder (2), and the internally mounted of outer container (1) has baffle (102), and baffle (102) are located the inboard of gas holder (2), and dismantlement board (103) are installed through the bolt in the front of outer container (1), and portable pole (104) are installed in the front of dismantlement board (103).

3. A novel gas sample collection device according to claim 1, wherein: the inboard of gas holder (2) is run through and is installed connecting pipe (201), and connecting pipe (201) run through and install in the inside of baffle (102), and first valve (203) are installed to the outer wall of outlet duct (202).

4. A novel gas sample collection device according to claim 1, wherein: the inside mounting of exhaust box (3) has aspiration pump (301), and aspiration tube (302) are installed to the output of aspiration pump (301), and aspiration tube (302) run through and install in one side of gas holder (2), and gas outlet (304) are installed to one side that outer container (1) were kept away from in aspiration pump (301), and gas outlet window (303) are installed to one side that outer container (1) were kept away from in exhaust box (3).

5. A novel gas sample collection device according to claim 1, wherein: the second valve (403) is installed on the outer wall of the gas quantitative cavity (4), the rubber piston (401) is installed inside the gas quantitative cavity (4), the top of the rubber piston (401) is connected with the pull rod (402), and the pull rod (402) penetrates through the top of the gas quantitative cavity (4).

6. A novel gas sample collection device according to claim 1, wherein: third valve (502) is installed at the top of admission line (5), and there is filter screen (503) inside of admission line (5) through threaded connection, and the bottom of admission line (5) is connected with collecting vat (504) through the screw hole, and arc air inlet (501) are installed to the output of admission line (5).