CN111257067A - Modularization flue gas sampling appearance - Google Patents
Modularization flue gas sampling appearance Download PDFInfo
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- CN111257067A CN111257067A CN201811460285.1A CN201811460285A CN111257067A CN 111257067 A CN111257067 A CN 111257067A CN 201811460285 A CN201811460285 A CN 201811460285A CN 111257067 A CN111257067 A CN 111257067A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2247—Sampling from a flowing stream of gas
- G01N1/2258—Sampling from a flowing stream of gas in a stack or chimney
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2202—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling
- G01N1/2205—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling with filters
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
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- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention relates to a modular flue gas sampling instrument. The sampling instrument comprises an air circuit unit, a control and operation unit and an air pumping unit, wherein the air circuit unit, the control and operation unit and the air pumping unit are arranged side by side or are stacked and can be detached, the air circuit unit and a control and operation module are connected through a first circuit connecting wire, the control and operation unit and the air pumping unit are connected through a second circuit connecting wire, and the air circuit unit and the air pumping unit are connected through an air circuit connecting pipe. Compared with the traditional sampler with an integrated structure, the sampler disclosed by the invention adopts a modular structure, and separates a circuit and a precision metering component from a gas circuit and a heavy pump body, so that the mutual interference in the working process is reduced, and the precision component is prevented from being damaged due to large impact force in the transportation process; and each module of the instrument can be independently replaced, the maintenance is convenient, the transportation between the modules is convenient, and the assembly is flexible.
Description
Technical Field
The invention belongs to the field of environmental pollution analysis and monitoring, mainly relates to sampling analysis of target pollutants in a flue, in particular to a portable sampling device for sampling analysis and monitoring dioxin in flue gas and smoke dust, and particularly relates to a modular flue gas sampling instrument.
Background
In order to control and reduce the emission of atmospheric pollution, the fixed pollution sources such as municipal waste incineration, hazardous waste incineration, industrial furnaces and kilns of thermal power plants, steel plants and the like are often required to be sampled and monitored. The common sampling point has a certain distance from the ground, which brings inconvenience to the sampling work. The existing portable flue gas sampling instrument adopts an integrated structure, all gas circuit elements, strong current elements and weak current elements are installed in a box body, the instrument is not only heavy in the carrying and transporting process, and is easy to be damaged by impact in the transporting process, but also the strong current elements and the weak current elements are put together, so that the strong current elements are difficult to avoid interfering with weak current signals in the operating process, the parameters of sampling and collecting are influenced, and finally the sampling result is inaccurate. Therefore, the invention provides a novel structure of a portable flue gas sampling instrument, namely a modular flue gas sampling instrument, so as to solve a series of problems brought to sampling work by the structure.
Disclosure of Invention
The invention aims to provide a modular flue gas sampling instrument. The invention solves the technical problem of providing a portable sampling instrument which is convenient to move and transport
In order to achieve the purpose, the invention adopts the following technical scheme:
a modularized flue gas sampling instrument comprises a gas circuit unit A, a control and operation unit B and an air extraction unit C, wherein the gas circuit unit A, the control and operation unit B and the air extraction unit C are arranged side by side or are stacked and can be detached, the gas circuit unit A and a control and operation module are connected through a first circuit connecting wire 9, the control and operation unit B and the air extraction unit C are connected through a second circuit connecting wire 10, and the gas circuit unit A and the air extraction unit C are connected through a gas circuit connecting pipe 8; wherein:
the gas path unit A comprises a filter 1, a flow metering device 2 and a volume metering device 3, wherein a gas inlet of the filter 1 is connected with an outlet of a sampling gun 12 through an external trapping unit 11, a gas outlet of the filter 1 is connected with the flow metering device 2, the flow metering device 2 is connected with the volume metering device 3, and the volume metering device 3 is connected with a vacuum pump 7 of an air extraction unit C through a gas path connecting pipe 8;
the control and operation unit B comprises a display and input device 4, a controller 5 and a printer 6, the controller 5 is respectively connected with the display and input device 4 and the printer 6 through leads, meanwhile, the controller 5 is connected with the flow metering device 2 and the volume metering device 3 of the air path unit A through a first circuit connecting wire 9, and the controller 5 is connected with the vacuum pump 7 of the air extraction unit C through a second circuit connecting wire 10;
the air pumping unit C comprises a vacuum pump 7.
Further, the filter 1 is a container with a filter membrane or filler inside, and is used for filtering solid particles; the flow metering device 2 is a gas flowmeter; the volume metering device 3 is a volume meter; the display and input device 4 is a touch screen or a liquid crystal screen with solid keys; the controller 5 is a single chip microcomputer.
Furthermore, the first circuit connecting line 9 and the second circuit connecting line 10 are both cables with quick-change circuit connectors at two ends, the first circuit connecting line 9 is respectively matched with circuit interfaces on the panels of the gas circuit unit a and the control and operation unit B, and the second circuit connecting line 10 is respectively matched with circuit interfaces on the panels of the control and operation unit B and the air extraction unit C, and transmits current, collects and controls signals after being matched.
Furthermore, the gas circuit connecting pipe 8 is a pipeline with quick-change gas circuit connectors at two ends, and is respectively matched with the volume metering device 3 of the gas circuit unit A and the gas circuit interface of the vacuum pump 7 of the air extraction unit C, so that the pipeline between the gas circuit unit A and the air extraction unit C is communicated and the air tightness is kept.
Further, the capture unit 11 comprises a fly ash capture barrel and a sample capture device which are connected in series in sequence, wherein the sample capture device is a container with two open ends and filled with resin filler;
further, the sampling gun 12 is a tube structure with a smooth inner wall and a bent tube at the front end.
Compared with the prior art, the invention has the beneficial effects that:
compared with the traditional sampler with an integrated structure, the sampler disclosed by the invention adopts a modular structure, and separates a circuit and a precision metering component from a gas circuit and a heavy pump body, so that the mutual interference in the working process is reduced, and the precision component is prevented from being damaged due to large impact force in the transportation process; and each module of the instrument can be independently replaced, the maintenance is convenient, the transportation between the modules is convenient, and the assembly is flexible.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed 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 some embodiments described in the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic diagram of the structure of a modular flue gas sampler of the present invention.
FIG. 2 is a schematic diagram of a modular flue gas sampler of the present invention during sampling operation.
In the figure: A. the device comprises an air path unit, a control and operation module, a C, an air extraction module, a 1, a filter, a 2, a flow metering device, a 3, a volume metering device, a 4, a display and input device, a 5 and a controller, wherein the controller comprises a connector 6, a printer, a 7, a vacuum pump, a 8, an air path connecting pipe, a 9, a first circuit connecting wire, a 10, a second circuit connecting wire, a 11, a trapping unit, a 12 and a sampling gun.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. Any specific values in all examples shown and discussed herein are to be construed as exemplary only and not as limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the absence of any contrary indication, these directional terms are not intended to indicate and imply that the device or element so referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore should not be considered as limiting the scope of the present invention: the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative 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 a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.
Example 1
As shown in fig. 1 to 2, a modular flue gas sampling instrument comprises a gas circuit unit a, a control and operation unit B and an air extraction unit C, wherein the gas circuit unit a, the control and operation unit B and the air extraction unit C are arranged in parallel or superposed, the gas circuit unit a and the control and operation module are connected through a first circuit connecting wire 9, and the control and operation unit B and the air extraction unit C are connected through a second circuit connecting wire 10; wherein:
the gas circuit unit A comprises a filter 1, a flow metering device 2 and a volume metering device 3, wherein the filter 1 is a container which is internally provided with a filter membrane or filler and is used for filtering solid particles, the flow metering device 2 is a gas flowmeter, and the volume metering device 3 is a volume meter. An air inlet of the filter 1 is connected with an outlet of a sampling gun 12 through an external trapping unit 11, the trapping unit 11 comprises a fly ash trapping barrel and a sample trapping device which are sequentially connected in series, and the sample trapping device is a container with two open ends and resin filler filled in the container; the sampling gun 12 is a tube structure with a smooth inner wall and a bent tube at the front end. The air outlet of the filter 1 is connected with the flow metering device 2, the flow metering device 2 is connected with the volume metering device 3, and the volume metering device 3 is connected with the vacuum pump 7 of the air extraction unit C through the air passage connecting pipe 8; the gas circuit connecting pipe 8 is a pipeline with quick-change gas circuit connectors at two ends, and is respectively matched with the volume metering device 3 of the gas circuit unit A and the gas circuit interface of the vacuum pump 7 of the air extraction unit C, so that the pipeline between the gas circuit unit A and the air extraction unit C is communicated and the gas tightness is kept.
The control and operation unit B comprises a display and input device 4, a controller 5 and a printer 6, wherein the display and input device 4 is a touch screen or a liquid crystal screen with solid keys; the controller 5 is a single chip microcomputer. The controller 5 is respectively connected with the display and input device 4 and the printer 6 through leads, meanwhile, the controller 5 is connected with the flow metering device 2 and the volume metering device 3 of the air path unit A through a first circuit connecting wire 9, and the controller 5 is connected with the vacuum pump 7 of the air extraction unit C through a second circuit connecting wire 10;
the air extracting unit C comprises a vacuum pump 7.
The first circuit connecting line 9 and the second circuit connecting line 10 are both cables with quick-change circuit connectors at two ends, the first circuit connecting line 9 is respectively matched with circuit interfaces on the panels of the gas circuit unit A and the control and operation unit B, and the second circuit connecting line 10 is respectively matched with circuit interfaces on the panels of the control and operation unit B and the air extraction unit C, and transmits current, acquisition and control signals after being matched.
When the modularized flue gas sampling instrument works, the sampling instrument is started, the control and operation unit B and the air extraction unit C are connected through a second circuit connecting line 10, an acquisition control signal is transmitted to a vacuum pump 7 from a controller 5 through the second circuit connecting line 10, the vacuum pump 7 starts to extract flue gas, the acquired flue gas is extracted by the vacuum pump 7 of the sampling instrument, flows into a filter 1, a flow metering device 2 and a volume metering device 3 of the sampling instrument in sequence through a sampling gun 12 and a trapping unit 11, then flows into the vacuum pump 7 through a gas circuit connecting pipe 8, and is finally discharged into the atmosphere; the gas circuit unit A and the control and operation unit B are connected through a first circuit connecting wire 9, and the collected signals are transmitted to the controller 5 of the control and operation unit B from the flow metering device 2 and the volume metering device 3 of the gas circuit unit A to complete the collection work.
After the work is finished and the sampling instrument needs to be moved or transported, the quick change connectors arranged at the two ends of the gas circuit connecting pipe 8, the first circuit connecting line 9 and the second circuit connecting line 10 are disconnected, and the gas circuit unit A, the control and operation unit B and the air extraction unit C are separately carried.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled 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 invention.
Claims (4)
1. A modularized flue gas sampling instrument is characterized by comprising a gas circuit unit (A), a control and operation unit (B) and an air extraction unit (C), wherein the gas circuit unit (A), the control and operation unit (B) and the air extraction unit (C) are arranged in parallel or superposed and can be disassembled, the gas circuit unit (A) is connected with a control and operation module through a first circuit connecting wire (9), the control and operation unit (B) is connected with a second circuit connecting wire (10) of the air extraction unit (C), and the gas circuit unit (A) is connected with the air extraction unit (C) through a gas circuit connecting pipe (8); wherein:
the gas path unit (A) comprises a filter (1), a flow metering device (2) and a volume metering device (3), wherein a gas inlet of the filter (1) is connected with an outlet of a sampling gun (12) through an external trapping unit (11), a gas outlet of the filter (1) is connected with the flow metering device (2), the flow metering device (2) is connected with the volume metering device (3), and the volume metering device (3) is connected with a vacuum pump (7) of an air extraction unit (C) through a gas path connecting pipe (8);
the control and operation unit (B) comprises a display and input device (4), a controller (5) and a printer (6), the controller (5) is respectively connected with the display and input device (4) and the printer (6) through leads, meanwhile, the controller (5) is connected with the flow metering device (2) and the volume metering device (3) of the air path unit (A) through a first circuit connecting wire (9), and the controller (5) is connected with the vacuum pump (7) of the air extraction unit (C) through a second circuit connecting wire (10);
the air extraction unit (C) comprises a vacuum pump (7).
2. A modular flue gas sampler as claimed in claim 1 wherein the gas path connecting tube (8) is a tube with quick-change gas path connectors at both ends, and is fitted with the gas path interfaces of the volume measuring device (3) of the gas path unit (a) and the vacuum pump (7) of the gas extraction unit (C), respectively, so that the gas path unit is capable of sampling flue gas
(A) And the air extraction unit (C) is communicated with the pipeline and keeps air tightness.
3. A modular flue gas sampler as claimed in claim 1, wherein the first circuit connection line (9) and the second circuit connection line (10) are both cables with quick-change circuit connectors at both ends, the first circuit connection line (9) is respectively fitted with circuit interfaces on the panels of the gas circuit unit (a) and the control and operation unit (B), and the second circuit connection line (10) is respectively fitted with circuit interfaces on the panels of the control and operation unit (B) and the air extraction unit (C) to transmit current, acquisition and control signals.
4. A modular flue gas sampler as claimed in claim 1 wherein the filter (1) is a vessel with a filter membrane or packing inside for filtering solid particles; the flow metering device (2) is a gas flowmeter; the volume metering device (3) is a volume meter; the display and input device (4) is a touch screen or a liquid crystal screen with solid keys; the controller (5) is a singlechip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811460285.1A CN111257067A (en) | 2018-11-30 | 2018-11-30 | Modularization flue gas sampling appearance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811460285.1A CN111257067A (en) | 2018-11-30 | 2018-11-30 | Modularization flue gas sampling appearance |
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| CN111257067A true CN111257067A (en) | 2020-06-09 |
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| CN201811460285.1A Pending CN111257067A (en) | 2018-11-30 | 2018-11-30 | Modularization flue gas sampling appearance |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202057533U (en) * | 2011-05-09 | 2011-11-30 | 广州信禾电子设备有限公司 | Multilayer coordination sampling device for testing building materials burning smog |
| US20120096925A1 (en) * | 2010-10-22 | 2012-04-26 | Magee Scientific Corporation | Method and analyzer for determining the content of carbon-containing particles filtered from an air stream |
| CN103280057A (en) * | 2013-05-06 | 2013-09-04 | 西安博康电子有限公司 | Distributed air sampling smoke detection system |
| CN205209833U (en) * | 2015-12-16 | 2016-05-04 | 中国科学院大连化学物理研究所 | Split type flue gas sampling instrument |
| CN205538888U (en) * | 2016-02-01 | 2016-08-31 | 青岛市光电工程技术研究院 | Gaseous pollutants discharges continuous monitor equipment |
| CN108562698A (en) * | 2018-04-18 | 2018-09-21 | 重庆第二师范学院 | A kind of big data air quality indexes information processing system |
-
2018
- 2018-11-30 CN CN201811460285.1A patent/CN111257067A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120096925A1 (en) * | 2010-10-22 | 2012-04-26 | Magee Scientific Corporation | Method and analyzer for determining the content of carbon-containing particles filtered from an air stream |
| CN202057533U (en) * | 2011-05-09 | 2011-11-30 | 广州信禾电子设备有限公司 | Multilayer coordination sampling device for testing building materials burning smog |
| CN103280057A (en) * | 2013-05-06 | 2013-09-04 | 西安博康电子有限公司 | Distributed air sampling smoke detection system |
| CN205209833U (en) * | 2015-12-16 | 2016-05-04 | 中国科学院大连化学物理研究所 | Split type flue gas sampling instrument |
| CN205538888U (en) * | 2016-02-01 | 2016-08-31 | 青岛市光电工程技术研究院 | Gaseous pollutants discharges continuous monitor equipment |
| CN108562698A (en) * | 2018-04-18 | 2018-09-21 | 重庆第二师范学院 | A kind of big data air quality indexes information processing system |
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