CN213812906U - Evaluation device for collection efficiency of industrial source volatile organic waste gas - Google Patents
Evaluation device for collection efficiency of industrial source volatile organic waste gas Download PDFInfo
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- CN213812906U CN213812906U CN202120144905.1U CN202120144905U CN213812906U CN 213812906 U CN213812906 U CN 213812906U CN 202120144905 U CN202120144905 U CN 202120144905U CN 213812906 U CN213812906 U CN 213812906U
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Abstract
The application relates to the technical field of environmental protection, especially, relate to an evaluation device of industrial source volatility organic waste gas collection efficiency. The evaluation device for the collection efficiency of the industrial source volatile organic waste gas comprises a storage component, a dispersion component, a gas collection component and a detection component; the storage component stores the tracer gas, the dispersion component is arranged between the storage component and the gas collection component, and the dispersion component can open the storage component and release the tracer gas; the detection component is arranged on the gas outlet pipeline of the gas collection component. In order to facilitate identification and detection, trace gas is adopted; the storage means stores a tracer gas; opening the storage member with the dispensing member such that the tracer gas is released; the released tracer gas is collected by the gas collection component; finally, when the exhaust gas treatment member is introduced, the total amount of the tracer gas released through the gas collecting hood is detected by the detection member, and the collection efficiency is obtained according to the ratio of the amount of the tracer gas detected by the detection member to the amount of the tracer gas released.
Description
Technical Field
The application relates to the technical field of environmental protection, in particular to an evaluation device for collection efficiency of industrial source volatile organic waste gas.
Background
Along with the continuous progress of industrial science and technology, the waste gas that produces in its production process also is increasing, at present, often adopts gas collection device to collect waste gas, then recycles exhaust treatment device and handles the waste gas of collecting.
However, the collecting efficiency of the gas collecting device cannot be known, and therefore, there is a need for an evaluation device for collecting efficiency of the industrial-source voc, which solves the problems in the prior art to some extent.
SUMMERY OF THE UTILITY MODEL
An object of this application is to provide an evaluation device of industrial source volatility organic waste gas collection efficiency, can acquire gas collecting device's collection efficiency fast.
The application provides an evaluation device for collection efficiency of industrial source volatile organic waste gas, which comprises a storage component, a dispersion component, a gas collection component and a detection component;
the storage means is intended to store a tracer gas, the dispensing means being arranged between the storage means and the gas collection means, the dispensing means being able to open the storage means and release the tracer gas;
the detection component is arranged on the gas outlet pipeline of the gas collection component and can detect the tracer gas collected by the gas collection component.
In the above technical solution, further, the storage member includes a storage tank and a seal;
the storage jar is used for the storage tracer gas, just the end of giving vent to anger of storage jar is provided with the sealing member, the sealing member is used for sealing the storage jar, so that the storage jar is sealed.
In the above technical solution, further, the dispensing member includes an opening valve;
the opening valve is internally provided with a conical metal rod which can rotate towards the gas outlet end of the storage tank and puncture the sealing element so that the tracer gas in the storage tank is released.
In the above technical solution, further, the opening valve is a dual opening valve.
In the above technical solution, further, the trace gas is sulfur hexafluoride.
In the above technical solution, further, the detecting member includes an SF6 quantitative leak detector; and the detection end of the SF6 quantitative leak detector is positioned on the gas outlet pipeline of the gas collection component.
In the above technical solution, further, the gas collecting member includes a gas collecting hood; the gas inlet end of the gas collecting hood faces the storage component, and the gas outlet pipeline of the gas collecting hood is provided with the detection component.
In the above technical solution, further, the gas collecting member includes a fume hood; the air inlet end of the fume hood faces the storage component, and the air outlet pipeline of the fume hood is provided with the detection component;
in the above technical solution, further, the gas collecting member includes a negative pressure sealed chamber; the air inlet end of the negative pressure closed chamber faces the storage component, and the air outlet pipeline of the negative pressure closed chamber is provided with the detection component.
In the above technical solution, further, the storage tank is formed of a stainless steel material.
Compared with the prior art, the beneficial effect of this application is:
the application provides an evaluation device for collection efficiency of industrial source volatile organic waste gas, which comprises a storage component, a dispersion component, a gas collection component and a detection component; the storage means is intended to store a tracer gas, the dispensing means being arranged between the storage means and the gas collection means, the dispensing means being able to open the storage means and release the tracer gas; the detection component is arranged on the gas outlet pipeline of the gas collection component and can detect the tracer gas collected by the gas collection component.
Specifically, in the actual use process, in order to facilitate identification and detection, the present application utilizes a tracer gas for testing, because the tracer gas is not in the range of volatile organic waste gases produced in industrial source enterprises; first storing the tracer gas with the storage member, then bringing the dispensing member close to the storage member and opening the storage member with the dispensing member so that the tracer gas is released; the released tracer gas is then collected by the gas collection means and passed to the exhaust gas treatment means (exhaust gas treatment means is a prior art and not illustrated or described herein in any greater detail); finally, the total amount of the trace gas released through the gas collecting hood is detected by the detection means when the trace gas is introduced into the exhaust gas treatment means.
Drawings
In order to more clearly illustrate the detailed description of the present application or the technical solutions in the prior art, the drawings needed to be used in the detailed description of the present application or the prior art description will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural diagram of an evaluation device for collecting efficiency of industrial-source voc emission provided by the present application.
In the figure: 100-a gas collecting member; 102-a gas outlet pipeline; 103-a storage tank; 104-a gas-collecting hood; 105-SF6 quantitative leak detector; 106-gas collecting channel inlet end.
Detailed Description
The following detailed description is provided to assist the reader in obtaining a thorough understanding of the methods, devices, and/or systems described herein. However, various changes, modifications, and equivalents of the methods, apparatus, and/or systems described herein will be apparent to those skilled in the art in view of the disclosure of the present application. For example, the order of operations described herein is merely an example, which is not limited to the order set forth herein, but rather, variations may be made in addition to operations which must occur in a particular order, which will be apparent upon understanding the disclosure of the present application. Moreover, descriptions of features known in the art may be omitted for the sake of clarity and conciseness.
The features described herein may be embodied in different forms and should not be construed as limited to the examples described herein. Rather, the examples described herein have been provided merely to illustrate some of the many possible ways to implement the methods, devices, and/or systems described herein that will be apparent after understanding the disclosure of the present application.
Throughout the specification, when an element (such as a layer, region, or substrate) is described as being "on," "connected to," coupled to, "over," or "overlying" another element, it may be directly "on," "connected to," coupled to, "over," or "overlying" the other element, or one or more other elements may be present therebetween. In contrast, when an element is referred to as being "directly on," "directly connected to," directly coupled to, "directly over" or "directly overlying" another element, there may be no intervening elements present.
As used herein, the term "and/or" includes any one of the associated listed items and any combination of any two or more of the items.
Although terms such as "first", "second", and "third" may be used herein to describe various elements, components, regions, layers or sections, these elements, components, regions, layers or sections should not be limited by these terms. Rather, these terms are only used to distinguish one element, component, region, layer or section from another element, component, region, layer or section. Thus, a first element, component, region, layer or section referred to in the examples described herein may be termed a second element, component, region, layer or section without departing from the teachings of the examples.
For ease of description, spatial relationship terms such as "above … …," "upper," "below … …," and "lower" may be used herein to describe one element's relationship to another element as illustrated in the figures. Such spatial relationship terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "upper" relative to other elements would then be oriented "below" or "lower" relative to the other elements. Thus, the term "above … …" includes both an orientation of "above … …" and "below … …" depending on the spatial orientation of the device. The device may also be otherwise oriented (e.g., rotated 90 degrees or at other orientations) and the spatially relative terms used herein should be interpreted accordingly.
The terminology used herein is for the purpose of describing various examples only and is not intended to be limiting of the disclosure. The singular forms also are intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," and "having" specify the presence of stated features, quantities, operations, elements, components, and/or combinations thereof, but do not preclude the presence or addition of one or more other features, quantities, operations, components, elements, and/or combinations thereof.
Variations from the shapes of the illustrations as a result, for example, of manufacturing techniques and/or tolerances, may be expected. Thus, the examples described herein are not limited to the particular shapes shown in the drawings, but include changes in shape that occur during manufacturing.
The features of the examples described herein may be combined in various ways that will be apparent after understanding the disclosure of the present application. Further, while the examples described herein have a variety of configurations, other configurations are possible, as will be apparent after understanding the disclosure of the present application.
Referring to fig. 1, an apparatus for evaluating the collection efficiency of industrial-source voc emission gas includes a storage member, a dispensing member, a gas collecting member 100, and a detecting member;
said storage means being intended to store a tracer gas, said dispensing means being arranged between said storage means and said gas collection means 100, said dispensing means being able to open said storage means and release said tracer gas; the detection component is disposed on the gas outlet pipeline 102 of the gas collecting component 100, and can detect the trace gas collected by the gas collecting component 100.
Specifically, in the actual use process, in order to facilitate identification and detection, the present application utilizes a tracer gas for testing, because the tracer gas is not in the range of volatile organic waste gases produced in industrial source enterprises; first storing the tracer gas with the storage member, then bringing the dispensing member close to the storage member and opening the storage member with the dispensing member so that the tracer gas is released; the released tracer gas is then collected by the gas collection means 100 and passed to the exhaust treatment means (which is a prior art and not illustrated or described herein in any greater detail); finally, the total amount of the tracer gas released through the gas-collecting hood 104 is detected by the detection means when the exhaust gas treatment means is accessed.
In this embodiment, the total amount of tracer gas in the storage means is conveniently accessed, thereby making the calculation simpler; the storage means comprises a storage tank 103 and a seal; the storage tank 103 is used for storing the tracer gas; the sealing member is disposed at the gas outlet end of the storage tank 103, and is used for sealing the storage tank 103 so as to seal the storage tank 103.
Preferably, the storage tank 103 is formed of a stainless steel material.
Preferably, the tracer gas is stored in a 1-2L storage tank 103 under pressure.
Preferably, the tracer gas is sulphur hexafluoride.
In this embodiment, to facilitate release of the tracer gas from storage tank 103, the dispensing member comprises an opening valve; a conical metal rod is arranged in the opening valve and can rotate towards the gas outlet end of the storage tank 103 and puncture the sealing element, so that the tracer gas in the storage tank 103 is released.
Preferably, the opening valve is a double opening valve.
In this embodiment, the detection means comprises a SF6 quantitative leak detector 105; the detection end of the SF6 quantitative leak detector 105 is located on the outlet line 102 of the gas collecting member 100.
In this embodiment, three specific structures of the gas collecting member 100 are given, specifically as follows:
the gas collecting member 100 of the first kind comprises a gas collecting channel 104; the inlet end 106 of the gas skirt faces the storage means and the outlet line 102 of the gas skirt 104 is provided with the detection means.
The second type of the gas collection member 100 comprises a fume hood; the air inlet end of the fume hood faces the storage component, and the air outlet pipeline 102 of the fume hood is provided with the detection component.
The third gas collecting component 100 comprises a negative pressure closed chamber; the air inlet end of the negative pressure closed chamber faces the storage component, and the air outlet pipeline 102 of the negative pressure closed chamber is provided with the detection component.
In summary, in actual use, the tracer gas is stored in a storage tank 103 with pressure of 1-2L, the storage tank 103 is normally in a sealed state, and when in use, the storage tank 103 is connected with a threaded opening valve, and a tapered metal rod is arranged in the opening valve, when the tapered metal rod rotates, the tapered metal rod rotates downwards and pierces into the storage tank 103, the tracer gas is released from a pipeline of the opening valve, and then is collected by a gas collecting hood 104 or a ventilation cabinet or a negative pressure closed chamber, and after being collected and sent to a waste gas treatment component, the tracer gas is detected by an SF6 quantitative leak detector 105 which can only respond to the tracer gas.
Since the amount of release of SF6 is a constant value Q empirically when tank 103 is opened with a 1-2L pressure1(100 liters) and the trace gas detected by the quantitative leak detector 105 for SF6 is also of a certain value Q2Ratio of the twoValue, i.e. the collection efficiency of the collecting member, if the collection efficiency is
Then there is
In conclusion, the present application overcomes the collection effect that the collection device is judged only by experience (naked eyes) in the prior art, so that the technical problem that the collection effect is inaccurate is solved.
In this application, utilize the storage jar 103 storage tracer gas of area pressure, can acquire Q easily1The collection efficiency can be more conveniently obtained.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application. Moreover, those skilled in the art will appreciate that while some embodiments herein include some features included in other embodiments, rather than other features, combinations of features of different embodiments are meant to be within the scope of the application and form different embodiments.
Claims (10)
1. The device for evaluating the collection efficiency of the industrial source volatile organic waste gas is characterized by comprising a storage component, a dispersion component, a gas collection component and a detection component;
the storage means is intended to store a tracer gas, the dispensing means being arranged between the storage means and the gas collection means, the dispensing means being able to open the storage means and release the tracer gas;
the detection component is arranged on the gas outlet pipeline of the gas collection component and can detect the tracer gas collected by the gas collection component.
2. The apparatus for evaluating the collection efficiency of industrial voc emission according to claim 1, wherein the storage means comprises a storage tank and a sealing member;
the storage jar is used for the storage tracer gas, just the end of giving vent to anger of storage jar is provided with the sealing member, the sealing member is used for sealing the storage jar, so that the storage jar is sealed.
3. The apparatus for evaluating the collection efficiency of industrial-source voc emission according to claim 2, wherein the dispersion member includes an opening valve;
the opening valve is internally provided with a conical metal rod which can rotate towards the gas outlet end of the storage tank and puncture the sealing element so that the tracer gas in the storage tank is released.
4. The device for evaluating the collection efficiency of industrial-source VOC waste gas of claim 3, wherein said opening valve is a dual opening valve.
5. The apparatus for evaluating the collection efficiency of industrial source voc emission according to claim 1, wherein the trace gas is sulfur hexafluoride.
6. The apparatus for evaluating collection efficiency of industrial-source voc emission power according to claim 5, wherein the detecting means includes a SF6 quantitative leak detector;
and the detection end of the SF6 quantitative leak detector is positioned on the gas outlet pipeline of the gas collection component.
7. The apparatus for evaluating the collection efficiency of industrial-source voc emission according to claim 1, wherein the gas collecting means includes a gas collecting hood;
the gas inlet end of the gas collecting hood faces the storage component, and the gas outlet pipeline of the gas collecting hood is provided with the detection component.
8. The apparatus for evaluating the collection efficiency of industrial-source voc emission according to claim 1, wherein the gas collecting means includes a fume hood;
the inlet end of the fume hood faces the storage component, and the outlet pipeline of the fume hood is provided with the detection component.
9. The apparatus for evaluating the collection efficiency of industrial-source voc emission according to claim 1, wherein the gas collecting member comprises a negative pressure sealed chamber;
the air inlet end of the negative pressure closed chamber faces the storage component, and the air outlet pipeline of the negative pressure closed chamber is provided with the detection component.
10. The apparatus for evaluating the collection efficiency of industrial voc emission according to claim 2 wherein the storage tank is formed of stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120144905.1U CN213812906U (en) | 2021-01-19 | 2021-01-19 | Evaluation device for collection efficiency of industrial source volatile organic waste gas |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120144905.1U CN213812906U (en) | 2021-01-19 | 2021-01-19 | Evaluation device for collection efficiency of industrial source volatile organic waste gas |
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| Publication Number | Publication Date |
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| CN213812906U true CN213812906U (en) | 2021-07-27 |
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| CN202120144905.1U Active CN213812906U (en) | 2021-01-19 | 2021-01-19 | Evaluation device for collection efficiency of industrial source volatile organic waste gas |
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