CN217561061U - Exhaust gas sampler without vacuum treatment - Google Patents
Exhaust gas sampler without vacuum treatment Download PDFInfo
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- CN217561061U CN217561061U CN202221422008.3U CN202221422008U CN217561061U CN 217561061 U CN217561061 U CN 217561061U CN 202221422008 U CN202221422008 U CN 202221422008U CN 217561061 U CN217561061 U CN 217561061U
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- air outlet
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Abstract
The utility model discloses a no vacuum treatment's exhaust gas sampling ware, include: sampling pipe, the buffer bottle, go out the tuber pipe, the sampling bottle, the air-out valve, a flowmeter, and flow display screen, the evacuation operation of existing equipment has been abandoned, open all valves before gathering waste gas, utilize the air inlet pump body to be full of sampling pipe with waste gas, buffer bottle and play tuber pipe, then carry out waste gas collection work again, because the inside no negative pressure of equipment before waste gas collection, there is not unnecessary air, consequently, measurement structure is comparatively accurate, in addition the flowmeter has still been added in the air-out pipe, can calculate the waste gas flow in the collection process according to the flow display data around gathering, provide data guarantee for the data measurement of follow-up absorption liquid, good application prospect and application scope have.
Description
Technical Field
The utility model relates to a waste gas sampling technical field, more specifically the waste gas sample thief that says so relates to a no vacuum treatment.
Background
With the increasing environmental problems in the world, environmental protection becomes an increasingly relevant problem for people. The solution absorption method is an important collection means for measuring the waste gas, and patent number CN 214334406U discloses an air sampler for waste gas detection, which aims to solve the problems of the size of the inlet flow of the waste gas and the constant temperature of the absorption liquid. But it still has a large measurement accuracy problem:
1. be in the negative pressure state after the cushion flask evacuation, open two ooff valves simultaneously after, the air that is located the air-out pipe of cushion flask top can flow back to the cushion flask in, and then causes the influence to waste gas concentration.
2. The air outlet pipe is provided with a plurality of air outlet holes in the absorption liquid, the purpose of the air outlet pipe is to improve the absorption efficiency of the absorption liquid on waste gas, but the absorption liquid obviously enters the air outlet pipe from the air outlet holes, and then most of waste gas is absorbed on the upper surface of the absorption liquid.
3. The buffer bottle needs to be equipped with vacuum pumping equipment, and the overall cost of the equipment is additionally increased.
In view of the above, it is an urgent need in the art to provide an exhaust gas detector that solves all or part of the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the above-mentioned technical problem among the prior art to a certain extent at least.
Therefore, an object of the utility model is to provide a no vacuum treatment's exhaust gas sampling ware includes:
the sampling pipe is provided with an air inlet valve and an air inlet pump body;
the bottom of the buffer bottle is provided with an air inlet which is communicated with the sampling pipe, the top of the buffer bottle is provided with an air outlet which is communicated with one end of an air outlet pipe;
the other end of the air outlet pipe extends into the sampling bottle and extends to a position close to the bottom of the sampling bottle, and the sampling bottle can contain absorption liquid;
the air outlet valve is arranged on the air outlet pipe and is close to the other end of the air outlet pipe;
the flowmeter is arranged in the air outlet pipe;
the flow display screen is arranged outside the air outlet pipe and fixedly connected with the air outlet pipe, the flowmeter is in communication connection with the flow display screen and can display the measured gas flow on the flow display screen.
The beneficial effects of the utility model are that:
the vacuum pumping operation of the existing equipment is abandoned, all valves are opened before the waste gas is collected, the waste gas is filled in the sampling pipe, the buffer bottle and the air outlet pipe by utilizing the air inlet pump body, then the waste gas collection work is carried out, because the equipment is free of negative pressure and redundant air before the waste gas is collected, the measurement structure is accurate, in addition, a flowmeter is added in the air outlet pipe, the waste gas flow in the collection process can be calculated according to the flow display data before and after the collection, the data guarantee is provided for the data measurement of the subsequent absorption liquid, and the vacuum sampling device has a good application prospect and a good application range.
Preferably, the air outlet valve is a waterproof and anti-corrosion electric control valve.
Preferably, still include the seal box, the seal box covers and sets up on the air-out valve just the edge of seal box with it is fixed to go out the closely laminating of tuber pipe.
Because the actual mounted position of air-out valve is located the collection bottle, the collection bottle need add the absorption liquid when using, like aqueous solution or organic solution etc. consequently need consider the protection problem of air-out valve, and air-out valve can also can set up the seal box for waterproof anticorrosion's automatically controlled valve and protect outside air-out valve.
It should be noted that the waste gas collector disclosed in the present application should be understood as a large-sized waste gas collector suitable for collecting industrial waste gas and air waste gas, and the collected waste gas has a large flow rate, and the corresponding collecting bottle may also be configured to be large, so that the collecting bottle has a sufficient space for placing the air outlet pipe and the air outlet valve.
Furthermore, the other end of the air outlet pipe is in an inverted funnel shape.
The absorption efficiency of absorption liquid has direct relevance with the area of contact of waste gas and absorption liquid in fact, sets up the other end of tuber pipe for the area of contact of the very big increase waste gas of inversion infundibulate and absorption liquid, in addition, waste gas can flow upwards after discharging into the absorption liquid, and the flow in-process also can further contact with the absorption liquid, improves absorption efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic structural view;
wherein, 1-sampling tube, 2-air inlet valve, 3-air inlet pump body, 4-buffer bottle, 5-air outlet tube, 6-air outlet valve, 7-flowmeter, 8-seal box, 9-collection bottle.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The embodiment of the utility model discloses no vacuum treatment's exhaust gas sampling ware, include: the sampling pipe 1 is provided with an air inlet valve 2 and an air inlet pump body 3; the bottom of the buffer bottle 4 is provided with an air inlet which is communicated with the sampling pipe 1, the top of the buffer bottle 4 is provided with an air outlet, and the air outlet is communicated with one end of an air outlet pipe 5; the other end of the air outlet pipe 5 extends into the sampling bottle and extends to a position close to the bottom of the sampling bottle, and the sampling bottle can contain absorption liquid; the air outlet valve 6 is arranged on the air outlet pipe 5 and close to the other end of the air outlet pipe 5; the flowmeter 7 is arranged in the air outlet pipe 5; flow display screen, flow display screen set up outside tuber pipe 5 and with tuber pipe 5 fixed connection, flowmeter 7 and flow display screen communication connection to can show its gas flow who surveys on flow display screen.
In this embodiment, the flow display screen is disposed on the air outlet pipe 5 above the liquid level of the absorption liquid.
In some embodiments, the air outlet valve 6 is a waterproof and corrosion-proof electrically controlled valve.
In some embodiments, the air outlet device further comprises a sealing box 8, the sealing box 8 covers the air outlet valve 6, and the edge of the sealing box 8 is tightly attached and fixed to the air outlet pipe 5. This embodiment adopts seal box 8, and air-out valve 6 is automatically controlled valve, and seal box 8's material does not have specific restriction, nevertheless should guarantee to have sufficient waterproof nature and corrosion protection nature, as long as the material that accords with the condition all can. In addition, the sealing performance between the edge of the box and the air outlet pipe 5 is ensured, and the air outlet pipe 5 can be made into a square pipe and is convenient to be matched with the sealing box 8.
In this embodiment, the other end of the air outlet pipe 5 is in the shape of an inverted funnel.
The specific working process is as follows:
1. before collecting waste gas:
the sampling bottle is in an empty state and has no absorption liquid. The air inlet valve 2 and the air outlet valve 6 are opened, the air inlet pump body 3 is started, waste gas enters from the sampling pipe 1 and sequentially passes through the buffer bottle 4 and the air outlet pipe 5, after the sampling pipe 1, the buffer bottle 4 and the air outlet pipe 5 are opened for 2-3 minutes, the sampling pipe 1, the buffer bottle 4 and the air outlet pipe 5 are full of waste gas, the golden air valve and the air outlet valve 6 are closed at the same time, and the waste gas in the sampling pipe, the buffer bottle 4 and the air outlet pipe 5 does not have external pressure or negative pressure, so that the waste gas is at the original concentration.
2. Exhaust gas collection
Injecting a proper amount of absorption liquid into the sampling bottle, recording an initial flow value on the flow display screen, simultaneously starting the air inlet valve 2 and the air outlet valve 6, continuously working the air inlet pump body 3, introducing waste gas into the absorption liquid in the collection bottle 9, stopping the air inlet valve 2 and the air outlet valve 6 after a period of time, recording a numerical value on the flow display screen, and subsequently taking out the absorption liquid for measurement.
The utility model provides a no vacuum treatment's exhaust gas sampling ware, the evacuation operation of existing equipment has been abandoned, open all valves before gathering waste gas, utilize the air inlet pump body to be full of waste gas sampling pipe, buffer flask and play tuber pipe, then carry out waste gas collection work again, because the inside no negative pressure of equipment before the waste gas collection, do not have unnecessary air, consequently, the measurement structure is comparatively accurate, in addition the flowmeter has still been added in the air-out pipe, can calculate the waste gas flow in the acquisition process according to the flow display data around gathering, data guarantee is provided for the data measurement of follow-up absorption liquid, good application prospect and application scope have.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (4)
1. A vacuum-less exhaust gas sampler comprising:
the sampling pipe is provided with an air inlet valve and an air inlet pump body;
the bottom of the buffer bottle is provided with an air inlet which is communicated with the sampling pipe, the top of the buffer bottle is provided with an air outlet which is communicated with one end of an air outlet pipe;
the other end of the air outlet pipe extends into the sampling bottle and extends to a position close to the bottom of the sampling bottle, and the sampling bottle can contain absorption liquid;
the air outlet valve is arranged on the air outlet pipe and is close to the other end of the air outlet pipe;
the flowmeter is arranged in the air outlet pipe;
the flow display screen is arranged outside the air outlet pipe and fixedly connected with the air outlet pipe, and the flow meter is in communication connection with the flow display screen and can display the measured gas flow on the flow display screen.
2. The vacuum-free exhaust gas sampler according to claim 1, wherein the air outlet valve is a waterproof and anticorrosive electrically-controlled valve.
3. The exhaust gas sampler without vacuum treatment according to claim 1, further comprising a sealing box, wherein the sealing box is covered on the air outlet valve and the edge of the sealing box is tightly attached and fixed with the air outlet pipe.
4. The vacuum-less exhaust gas sampler as recited in claim 1, wherein the other end of the outlet pipe is in the shape of an inverted funnel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221422008.3U CN217561061U (en) | 2022-06-09 | 2022-06-09 | Exhaust gas sampler without vacuum treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221422008.3U CN217561061U (en) | 2022-06-09 | 2022-06-09 | Exhaust gas sampler without vacuum treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217561061U true CN217561061U (en) | 2022-10-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221422008.3U Active CN217561061U (en) | 2022-06-09 | 2022-06-09 | Exhaust gas sampler without vacuum treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217561061U (en) |
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2022
- 2022-06-09 CN CN202221422008.3U patent/CN217561061U/en active Active
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