CN114858542A - Greenhouse gas emission concentration on-line monitoring device - Google Patents
Greenhouse gas emission concentration on-line monitoring device Download PDFInfo
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- CN114858542A CN114858542A CN202210487213.6A CN202210487213A CN114858542A CN 114858542 A CN114858542 A CN 114858542A CN 202210487213 A CN202210487213 A CN 202210487213A CN 114858542 A CN114858542 A CN 114858542A
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- 239000005431 greenhouse gas Substances 0.000 title claims abstract description 88
- 238000012806 monitoring device Methods 0.000 title claims abstract description 20
- 238000001514 detection method Methods 0.000 claims abstract description 66
- 239000007789 gas Substances 0.000 claims abstract description 60
- 230000006978 adaptation Effects 0.000 claims description 5
- 238000009423 ventilation Methods 0.000 claims description 5
- 241000883990 Flabellum Species 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims 1
- 238000012544 monitoring process Methods 0.000 abstract description 9
- 239000012528 membrane Substances 0.000 abstract description 6
- 230000002349 favourable effect Effects 0.000 abstract description 4
- 238000005070 sampling Methods 0.000 abstract description 3
- 239000000284 extract Substances 0.000 abstract 2
- 238000000034 method Methods 0.000 description 5
- 238000004891 communication Methods 0.000 description 4
- 238000005086 pumping Methods 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 230000000979 retarding effect Effects 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000010835 comparative analysis Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005183 environmental health Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- 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
- G01N1/26—Devices for withdrawing samples in the gaseous state with provision for intake from several spaces
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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
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/38—Diluting, dispersing or mixing samples
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- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
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- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/3504—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis
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Abstract
The invention relates to the technical field of gas detection, in particular to an online monitoring device for greenhouse gas emission concentration, which can continuously extract multi-direction gas from different angles by connecting a plurality of through pipes communicated with the outer side of a box body at the outer side of a main mixing bin, can effectively improve the accurate comprehensiveness of the device for detecting the greenhouse gas emission amount in the air at the same place by a multi-direction sampling mixing detection mode, simultaneously, extracts the gas in the main mixing bin at high speed by arranging a pump, enables an elastic soft membrane to cover the joint of the main mixing bin and the through pipes by means of the high-speed flow of air flow, is favorable for isolating the gas continuously entering the outside under special conditions, avoids the influence on the detection of the greenhouse gas concentration in the device caused by the continuous entering of the outside gas, and improves the diversified detection mode of the device to a certain extent, the device is favorable for guaranteeing the accuracy of real-time monitoring of the greenhouse gas emission.
Description
Technical Field
The invention relates to the technical field of gas detection, in particular to an online monitoring device for greenhouse gas emission concentration.
Background
Greenhouse gases refer to gases which can absorb long-wave radiation reflected by the ground in the atmosphere and re-emit the radiation, such as water vapor, carbon dioxide, most refrigerants and the like, and due to the existence of the greenhouse gases, a greenhouse structure is formed on the surface of the earth to intercept solar radiation, so that the surface of the earth becomes warmer, and the environmental health is seriously influenced.
For the realization is monitored the gas that discharges in the production life, avoid greenhouse gas to discharge in a large number and cause the influence to atmospheric environment, can lay greenhouse gas emission concentration on-line monitoring device at each greenhouse gas emission point usually, so that in time observe and control greenhouse gas's emission, avoid discharging and exceed standard, greenhouse gas emission device among the prior art, mostly adopt the sensor to realize the concentration detection to greenhouse gas, in monitoring process, external gas continuously gets into to the sensor inside, if in a certain time period, greenhouse gas's concentration numerical value fluctuation is great, gas continuous entering can lead to the fact the influence to the measured data, can not independently detect the gas in the unit space, effect to real-time on-line monitoring causes certain influence.
Therefore, we propose an online monitoring device for greenhouse gas emission concentration to solve some of the problems in the prior art.
Disclosure of Invention
The invention aims to provide an on-line monitoring device for greenhouse gas emission concentration, which aims to solve the problems that the on-line monitoring device for greenhouse gas emission concentration in the prior art cannot independently detect gas in a unit space, is difficult to verify when continuously entering gas detection numerical value fluctuates, and influences monitoring accuracy.
In order to achieve the purpose, the invention provides the following technical scheme: an on-line monitoring device for greenhouse gas emission concentration comprises a box body, wherein a box door is rotatably connected to the front of the box body, a greenhouse gas detector is fixedly mounted above the inner part of the box body, a main mixing bin is fixedly mounted below the inner part of the box door through a support, a plurality of through pipes extending to the outer end wall of the box body are fixedly communicated with the outer end wall of the main mixing bin, a retarding fan is fixedly mounted inside the end head of one side of each through pipe, which is far away from the main mixing bin, an auxiliary mixing bin is fixedly communicated with the top of the main mixing bin, a connecting pipe is fixedly communicated with the top of the auxiliary mixing bin and the inner end wall of the greenhouse gas detector, elastic soft films are respectively arranged inside the end heads of the through pipes close to one side of the main mixing bin, a plurality of elastic ropes arranged around are uniformly and fixedly connected between the edge position of each elastic soft film and the inner end wall of the auxiliary mixing bin, and the aperture of the communicating part of the main mixing bin and the through pipes is smaller than the inner diameter of the through pipes, the inside fixed mounting of box has the pump, and the air inlet of pump and the fixed intercommunication of the lower extreme of connecting pipe, and the gas outlet of pump and the fixed intercommunication of the upper end of connecting pipe.
Furthermore, the greenhouse gas detector is internally provided with a greenhouse gas detection sensor for detecting greenhouse gas, a detection pipeline is arranged inside the greenhouse gas detection sensor, the ends of the two sides of the detection pipeline are respectively and fixedly provided with an infrared light emitter and an infrared light receiver which are symmetrically arranged, and a narrow-band light filter is fixedly arranged between the infrared light receiver and the detection pipeline.
Furthermore, the detection pipelines are arranged in a plurality of numbers, the detection pipelines are arranged side by side and communicated with each other, and the detection pipelines form a reciprocating circular S-shaped circulation path inside.
Further, the siphunculus is provided with four altogether, and four siphunculus communicate respectively to the box about, box rear and chamber door positive surface outer end wall intermediate position department, offer the trompil with siphunculus outer end looks adaptation on the positive surface outer end wall of chamber door.
Further, a filter plate is fixedly arranged at the communication position of the main mixing bin and the through pipe, and a plurality of ventilation through holes are uniformly formed in the filter plate.
Furthermore, the edge position department fixed mounting of elasticity mantle is the retainer ring that sets up for ring type structure, and the equal fixed connection of a plurality of stretch cords is on the outer end wall of retainer ring.
Furthermore, the inside fixed mounting of connecting pipe has the check valve, and the check valve setting is between two pipelines of intercommunication on the air inlet of suction pump, gas outlet.
Further, the inside of main mixed storehouse is rotated and is connected with the turbofan rather than inside size looks adaptation, and the inside border position department of turbofan evenly encircles and is provided with a plurality of flabellums that set up for the arc structure.
Further, vice mixing bunker fixed mounting is in the top intermediate position department of main mixing bunker, and top intermediate position department fixed mounting of turbofan has the spiral leaf that upwards extends to vice mixing bunker inside, the outside size of spiral leaf and the inside size looks adaptation of vice mixing bunker.
Furthermore, the bottom of box is installed and is set up the servo motor in support inside, and servo motor's drive shaft and the last pivot fixed connection of turbofan.
Compared with the prior art, the invention has the beneficial effects that:
1. the outer side of the main mixing bin is connected with the plurality of through pipes communicated to the outer side of the box body, multi-direction gas can be continuously extracted from different angles, the accurate comprehensiveness of the device for detecting the discharge amount of greenhouse gas in air in the same place can be effectively improved by a multi-direction sampling and mixing detection mode, meanwhile, the gas in the main mixing bin is extracted at high speed by the aid of the pump, the elastic soft membrane covers the joint of the main mixing bin and the through pipes by means of high-speed flow of air flow, the device is favorable for isolating the gas continuously entering the outside under special conditions, the influence of the continuous entering of the outside gas on the detection of the concentration of the greenhouse gas in the device is avoided, the diversified detection mode of the device is improved to a certain extent, and the real-time monitoring accuracy of the discharge amount of the greenhouse gas is favorably ensured, meanwhile, the pump is independently arranged at the outer side of the connecting pipe, so that the influence on the smoothness of gas entering the greenhouse gas detector when the pump is not started can be avoided, and the stability of the device in the use process is effectively guaranteed;
2. the detection pipelines arranged side by side are communicated with each other, and the interiors of the detection pipelines form a reciprocating S-shaped circulation path, so that the path length of circulation in the detection pipelines in the gas greenhouse gas detection sensor can be maximally increased within a certain linear length, more precise integration of the greenhouse gas detection sensor is facilitated, the installation convenience of the greenhouse gas detection sensor is effectively improved, meanwhile, an infrared light emitter, an infrared light receiver and a narrow-band light filter are arranged at two ends of each detection pipeline, multiple times of composite detection is facilitated, and the accuracy of the device for monitoring the greenhouse gas emission in real time is further enhanced through multiple groups of data contrastive analysis;
3. the four groups of through pipes are respectively arranged in the front, back, left and right directions, so that gas collection can be carried out in four directions, further the comprehensiveness of sample gas collection is improved, the detection comprehensiveness of the device is improved to a certain extent, and the through pipes positioned on the front side are just embedded into the through holes when the box door is closed by arranging the through holes matched with the outer ends of the through pipes on the box door, so that the stability of front-side gas collection is effectively guaranteed;
4. the filter plate with a plurality of ventilation through holes uniformly arranged inside is fixedly arranged at the joint of the main mixing bin and the through pipe, when the elastic soft film covers the joint of the main mixing bin and the through pipe, the covered elastic soft film can be effectively supported, the elastic soft film is prevented from being broken due to overlarge pressure difference and too deep depression, and the service life of the elastic soft film is prolonged to a certain extent;
5. the fixing ring is fixedly arranged on the outer edge position of the elastic soft film, and the stability of the edge position of the elastic soft film can be effectively guaranteed by means of the support of the fixing ring, so that the elastic soft film is prevented from being torn and broken between the elastic soft film and the elastic ropes, and the stability of the elastic soft film in the working process is guaranteed to a certain extent;
6. the check valve is arranged inside the connecting pipe, so that the flowing direction of gas inside the connecting pipe can be limited, the gas sent out from the gas outlet is prevented from flowing back to the gas inlet through the connecting pipe when the pump is started to pump, and the working stability of the device is effectively guaranteed;
7. the turbofan is rotatably connected inside the main mixing bin, and is automatically pushed by the aid of the flowing of air flow, so that the uniformity of air mixture conveyed in all directions is effectively improved, the uniformity and accuracy of detection of the device are improved to a certain extent, and meanwhile, the fan blades at the edge position of the turbofan are arranged to be of an arc-shaped structure, so that the efficiency of air flow pushing is conveniently guaranteed;
8. the spiral blade is fixedly arranged at the top of the turbofan, the spiral blade is driven to rotate by the rotation of the turbofan, and the mixed gas conveyed in each direction is further mixed and conveyed, so that the uniformity of gas mixing is further improved;
9. according to the user demand, can install in the below of main mixing bin and be used for the servo motor to the turbofan drive, avoid the turbofan can't form effective rotation through the promotion of air current, with the help of servo motor's assistance, the effectual stability of strengthening the device to the operation of sample gas mixture in many directions.
Description of the drawings:
in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a front cross-sectional view of the present invention;
FIG. 4 is a side cross-sectional view of the present invention;
FIG. 5 is a schematic view of the structure at A in FIG. 4;
FIG. 6 is a schematic top view of the present invention;
FIG. 7 is a structural sectional view of the inside of the case of the present invention;
FIG. 8 is a schematic view of the structure of a greenhouse gas detection sensor according to the present invention;
FIG. 9 is a schematic view of a plurality of detection conduits in communication according to the present invention;
fig. 10 is a schematic view of the closed door of the present invention.
In the figure: 1. a box body; 101. a box door; 102. a greenhouse gas detector; 103. a greenhouse gas detection sensor; 104. opening a hole; 2. a main mixing bin; 201. pipe passing; 202. a speed-reducing fan; 203. a secondary mixing bin; 204. a connecting pipe; 205. an elastic soft film; 206. an elastic cord; 207. filtering the plate; 208. a ring is kept; 3. pumping; 301. a one-way valve; 4. a turbofan; 401. helical leaves; 5. detecting a pipeline; 501. an infrared light emitter; 502. an infrared light receiver; 503. a narrow band filter.
The specific implementation mode is as follows:
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. 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.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-10, an embodiment of the present invention is shown: an on-line monitoring device for greenhouse gas emission concentration comprises a box body 1, a box door 101 is rotatably connected to the front of the box body 1, a greenhouse gas detector 102 is fixedly mounted on the upper portion of the inner portion of the box body 1, a main mixing bin 2 is fixedly mounted on the lower portion of the inner portion of the box door 101 through a support, a plurality of through pipes 201 extending to the outer end wall of the box body 1 are fixedly communicated with the outer end wall of the main mixing bin 2, a retarding fan 202 is fixedly mounted on the inner portion of the end of each through pipe 201, which is far away from one side of the main mixing bin 2, an auxiliary mixing bin 203 is fixedly communicated with the top of the main mixing bin 2, a connecting pipe 204 is fixedly communicated with the inner portion of the greenhouse gas detector 102 through the top of the auxiliary mixing bin 203, elastic soft films 205 are arranged inside the ends of the plurality of through pipes 201, which are close to one side of the main mixing bin 2, a plurality of elastic ropes 206 are uniformly and fixedly connected between the edge position of each elastic soft film 205 and the inner end wall of the auxiliary mixing bin 203, the aperture of the communicating part of the main mixing bin 2 and the through pipe 201 is smaller than the inner diameter of the through pipe 201, the pump 3 is fixedly arranged inside the box body 1, the air inlet of the pump 3 is fixedly communicated with the lower end of the connecting pipe 204, and the air outlet of the pump 3 is fixedly communicated with the upper end of the connecting pipe 204.
The device during operation, the staff passes through the wire and connects this device external power supply, make external power supply provide electric power support for this device, subsequently, the staff controls the device circular telegram and starts, install the circular telegram start of the inside speed reducing fan 202 of a plurality of siphunculus 201, speed reducing fan 202 is rotatory to drive the inside flow of external air current slowly to main mixed storehouse 2, it is inside to get into greenhouse gas detector 102 through vice mixed storehouse 203 and connecting pipe 204, after greenhouse gas detector 102 circular telegram start, carry out real-time supervision to the inside gas that gets into it, and the concentration of the inside greenhouse gas of inspection gas.
When the fluctuation of the detection value of the greenhouse gas detector 102 on the greenhouse gas is large in a certain period of time, in order to avoid the influence of continuous air intake on the detection of the concentration of the greenhouse gas in a unit space, the suction pump 3 installed in the box body 1 is electrified and started, the lower end of the connecting pipe 204 is quickly sucked and input to the upper end of the connecting pipe 204, the flowing speed of the air flow in the main mixing bin 2 is accelerated under the continuous pumping of the suction pump 3, the elastic soft film 205 installed in the through pipe 201 is adsorbed and attached to the joint of the main mixing bin 2 and the through pipe 201 under the pushing of high-speed air flow, the communication between the through pipe 201 and the main mixing bin 2 is blocked by covering the elastic soft film 205, at the moment, the external gas can be prevented from continuously entering the main mixing bin 2, the influence of the external gas on the gas in the main mixing bin 2 can be effectively isolated, under the continuous pumping of the suction pump 3, the gas of the inside storage of main mixing bunker 2 is inputed to greenhouse gas detector 102 inside in proper order and is detected, carries out greenhouse gas concentration to the gas of the inside unit space storage of main mixing bunker 2 and detects to supplementary greenhouse gas emission carries out accurate detection in the gas.
After the detection is finished, the pump 3 stops being electrified, the inside of the main mixing bin 2 loses negative pressure generated by high-speed air extraction of air flow, the elastic soft film 205 resets and is separated from the connection part of the main mixing bin 2 and the through pipe 201 under the elastic pulling action of the elastic rope 206, and the device continuously and slowly conveys the outside air to the inside of the greenhouse gas detector 102 through the retarding fan 202.
The outer side of the main mixing bin 2 is connected with the through pipes 201 communicated to the outer side of the box body 1, multi-direction gas can be continuously extracted from different angles, the accurate comprehensiveness of the device for detecting the discharge amount of greenhouse gas in air at the same place can be effectively improved by a multi-direction sampling and mixing detection mode, meanwhile, the gas inside the main mixing bin 2 is extracted at a high speed by the aid of the pump 3, the elastic soft film 205 covers the joint of the main mixing bin 2 and the through pipes 201 by means of high-speed flowing of air flow, the device is favorable for isolating the gas continuously entering the outside under special conditions, the influence of the continuous entering of the outside gas on the detection of the concentration of the greenhouse gas inside the device is avoided, the diversified detection mode of the device is improved to a certain extent, and the real-time monitoring accuracy of the discharge amount of the greenhouse gas by the device is favorably ensured, meanwhile, the pump 3 is independently arranged outside the connecting pipe 204, so that the influence on smoothness of gas entering the greenhouse gas detector 102 when the pump 3 is not started can be avoided, and the stability of the device in the use process is effectively guaranteed.
Referring to fig. 8-9, a greenhouse gas sensor 103 for detecting greenhouse gases is installed inside the greenhouse gas detector 102, a detection pipe 5 is installed inside the greenhouse gas sensor 103, an infrared light emitter 501 and an infrared light receiver 502 are respectively and fixedly installed at two ends of the detection pipe 5, the infrared light receiver 502 and the detection pipe 5 are respectively and fixedly installed with a narrow band filter 503, when the device is in operation, a reference electrode is also installed inside the greenhouse gas sensor 103, the narrow band filter 503 is also installed in front of the reference electrode, by installing the greenhouse gas sensor 103 inside the greenhouse gas detector 102, the greenhouse gas emission amount is detected by the greenhouse gas sensor 103, and after the gases enter the greenhouse gas sensor 103 inside the greenhouse gas detector 102, flowing in the detection pipeline 5, the infrared light emitter 501 arranged at one end of the detection pipeline 5 emits infrared light in a wide wavelength range, the infrared light is filtered by the narrow-band filter 503 arranged in front of the infrared light receiver 502 and the reference electrode, and the infrared light absorbed in the detected gas is obtained by comparing signals detected by the reference electrode and the infrared light receiver 502, so that the concentration of greenhouse gas is obtained, and the real-time monitoring of the emission amount of the greenhouse gas is realized.
Referring to fig. 9, a plurality of detection pipelines 5 are arranged side by side, the plurality of detection pipelines 5 are communicated with each other, and the inside of the plurality of detection pipelines 5 forms a reciprocating S-shaped circulation path, when the device works, the plurality of detection pipelines 5 arranged side by side are communicated with each other, and the inside of the plurality of detection pipelines 5 forms a reciprocating S-shaped circulation path, so that the path length circulating in the detection pipelines 5 inside the gas greenhouse gas detection sensor 103 can be maximally increased within a certain straight line length, more precise integration of the greenhouse gas detection sensor 103 is facilitated, the installation convenience of the greenhouse gas detection sensor 103 is effectively improved, and meanwhile, the infrared light emitter 501, the infrared light receiver 502 and the narrow band filter 503 are arranged at two ends of each detection pipeline 5, so that multiple composite detection is facilitated, through the comparative analysis of a plurality of groups of data, the accuracy of the device for monitoring the greenhouse gas emission in real time is further enhanced.
Referring to fig. 6-7, four through pipes 201 are provided, the four through pipes 201 are respectively communicated with the left side and the right side of the box body 1, the rear side of the box body 1 and the middle position of the outer end wall of the front side of the box door 101, the opening 104 matched with the outer end of the through pipe 201 is provided on the outer end wall of the front side of the box door 101, when the device works, the four groups of through pipes 201 are respectively arranged in the front, rear, left and right directions, gas collection can be performed from four directions, further, the comprehensiveness of sample gas collection is improved, the detection comprehensiveness of the device is improved to a certain extent, the opening 104 matched with the outer end of the through pipe 201 is provided on the box door 101, when the box door 101 is closed, the through pipe 201 on the front side is just embedded in the opening 104, and the stability of the front side gas collection is effectively guaranteed.
Referring to fig. 5, a filter plate 207 is fixedly installed at a communication position between the main mixing bin 2 and the through pipe 201, and a plurality of ventilation through holes are uniformly formed in the filter plate 207, when the device is in operation, the filter plate 207, in which the plurality of ventilation through holes are uniformly formed, is fixedly installed at a connection position between the main mixing bin 2 and the through pipe 201, when the elastic soft membrane 205 covers the connection position between the main mixing bin 2 and the through pipe 201, the covered elastic soft membrane 205 can be effectively supported, the elastic soft membrane 205 is prevented from being broken due to too large pressure difference and too deep depression, and the service life of the elastic soft membrane 205 is prolonged to a certain extent.
Referring to fig. 5, the edge of the elastic soft film 205 is fixedly provided with a retaining ring 208 having a circular structure, and the elastic cords 206 are fixedly connected to the outer end wall of the retaining ring 208, when the device works, the retaining ring 208 is fixedly arranged at the outer edge of the elastic soft film 205, and the retaining ring 208 is supported, so that the stability of the edge of the elastic soft film 205 can be effectively ensured, the elastic soft film 205 is prevented from being torn or broken from the elastic cords 206, and the stability of the elastic soft film 205 in the working process is ensured to a certain extent.
Referring to fig. 3-4, a check valve 301 is fixedly installed inside the connection pipe 204, and the check valve 301 is disposed between two pipelines communicated with the air inlet and the air outlet of the pump 3, when the device is in operation, the check valve 301 is installed inside the connection pipe 204, so that the direction of the air flowing inside the connection pipe 204 can be limited, and when the pump 3 is started to pump air, the air sent out from the air outlet flows back to the air inlet through the connection pipe 204, thereby effectively ensuring the working stability of the device.
Please refer to fig. 3, the internal rotation of the main mixing bin 2 is connected with the turbofan 4 matched with the internal size thereof, and the internal edge position of the turbofan 4 is uniformly surrounded by a plurality of fan blades arranged in an arc structure, the device is in operation, in the gas flowing process, through the pushing during the gas flowing, the turbofan 4 is driven to rotate in the main mixing bin 2, the gas conveyed in all directions is actively mixed, the turbofan 4 is rotatably connected in the main mixing bin 2, the turbofan 4 is automatically pushed by the flowing of the gas flow, the uniformity of the gas mixing conveyed in all directions is effectively improved, the uniformity and accuracy of the detection of the device are improved to a certain extent, meanwhile, the fan blades at the edge position of the turbofan 4 are arranged in an arc structure, and the efficiency of the gas flow during pushing is convenient to ensure.
Referring to fig. 3-4, the auxiliary mixing bin 203 is fixedly installed at the middle position of the top of the main mixing bin 2, the spiral blade 401 extending upwards into the auxiliary mixing bin 203 is fixedly installed at the middle position of the top of the turbofan 4, the outer side size of the spiral blade 401 is matched with the inner size of the auxiliary mixing bin 203, when the device works, the spiral blade 401 is fixedly installed at the top of the turbofan 4, the spiral blade 401 is driven to rotate by the rotation of the turbofan 4, mixed gas conveyed in all directions is further mixed and conveyed, and the uniformity of gas mixing is further improved.
The servo motor who sets up in the support inside is installed to the bottom of box 1, the pivot fixed connection on servo motor's drive shaft and the turbofan 4, the device during operation, according to the user demand, can install in the below of main mixing bin 2 and be used for the servo motor to the 4 driven of turbofan, avoid the turbofan 4 unable promotion through the air current to form effective rotation, with the help of servo motor's assistance, the effectual stability of having strengthened the device to the gaseous mixed operation of sample in many directions.
The above is the overall working principle of the present invention.
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 (10)
1. The utility model provides a greenhouse gas emission concentration on-line monitoring device, includes box (1), its characterized in that: the front of box (1) is rotated and is connected with chamber door (101), the inside top fixed mounting of box (1) has greenhouse gas detector (102), there is main mixed storehouse (2) inside below of chamber door (101) through support fixed mounting, and fixed intercommunication has siphunculus (201) that a plurality of extend to on the outer end wall of main mixed storehouse (2), every siphunculus (201) are kept away from the inside equal fixed mounting in end of main mixed storehouse (2) one side and are had slow speed fan (202), the fixed intercommunication in top of main mixed storehouse (2) has vice mixed storehouse (203), and the top of vice mixed storehouse (203) has connecting pipe (204) with greenhouse gas detector (102) inside fixed intercommunication, and is a plurality of siphunculus (201) are close to and all are provided with elasticity mantle (205) inside the end of main mixed storehouse (2) one side, every the edge position department of elasticity mantle (205) and the inner end wall of vice mixed storehouse (203) between even solid firm Decide to be connected with a plurality of bungee cords (206) that encircle the setting, the intercommunication department bore of main mixing bin (2) and siphunculus (201) is less than the internal diameter of siphunculus (201), the inside fixed mounting of box (1) has pump (3), and the fixed intercommunication of lower extreme of the air inlet of pump (3) and connecting pipe (204), the gas outlet of pump (3) and the upper end fixed intercommunication of connecting pipe (204).
2. The on-line monitoring device for the emission concentration of greenhouse gases as claimed in claim 1, wherein: the greenhouse gas detector is characterized in that a greenhouse gas detection sensor (103) used for detecting greenhouse gas is arranged inside the greenhouse gas detector (102), a detection pipeline (5) is arranged inside the greenhouse gas detection sensor (103), two end heads of the two sides of the detection pipeline (5) are respectively fixedly provided with an infrared light emitter (501) and an infrared light receiver (502) which are symmetrically arranged, and a narrow-band light filter (503) is fixedly arranged between the infrared light receiver (502) and the detection pipeline (5).
3. The on-line monitoring device for the emission concentration of greenhouse gases as claimed in claim 2, wherein: the detection pipeline (5) is provided with a plurality of detection pipelines (5) in total, and is a plurality of detection pipeline (5) sets up side by side, and is a plurality of intercommunication each other between detection pipeline (5), and is a plurality of detection pipeline (5) inside constitutes reciprocating circular' S S type circulation route.
4. The on-line monitoring device for the emission concentration of greenhouse gases as claimed in claim 1, wherein: the four through pipes (201) are arranged, the four through pipes (201) are respectively communicated to the middle positions of the left side and the right side of the box body (1), the rear side of the box body (1) and the front outer end wall of the box door (101), and the front outer end wall of the box door (101) is provided with a hole (104) matched with the outer end of the through pipe (201).
5. The on-line monitoring device for the emission concentration of greenhouse gases as claimed in claim 1, wherein: the main mixing bin (2) is fixedly provided with a filter plate (207) at the communicating part of the through pipe (201), and a plurality of ventilation through holes are uniformly formed in the filter plate (207).
6. The on-line monitoring device for the emission concentration of greenhouse gases as claimed in claim 5, wherein: the edge position department fixed mounting of elasticity mantle (205) is for the retaining ring (208) of ring type structure setting, a plurality of stretch cord (206) all fixed connection is on the outer endwall of retaining ring (208).
7. The on-line monitoring device for the emission concentration of greenhouse gases as claimed in claim 1, wherein: the inside fixed mounting of connecting pipe (204) has check valve (301), and check valve (301) set up between two pipelines of intercommunication on aspiration pump (3) air inlet, the gas outlet.
8. The on-line monitoring device for the emission concentration of greenhouse gases as claimed in claim 1, wherein: the inside of main mixing bin (2) is rotated and is connected with turbofan (4) rather than inside size looks adaptation, and the inside border position department of turbofan (4) evenly encircles and is provided with a plurality of flabellums that set up for the arc structure.
9. The on-line monitoring device for greenhouse gas emission concentration as claimed in claim 8, wherein: vice mixing bunker (203) fixed mounting is in the top intermediate position department of main mixing bunker (2), top intermediate position department fixed mounting of turbofan (4) has spiral leaf (401) that upwards extends to vice mixing bunker (203) inside, the outside size of spiral leaf (401) and the inside size looks adaptation of vice mixing bunker (203).
10. The on-line monitoring device for greenhouse gas emission concentration as claimed in claim 9, wherein: the servo motor that sets up in the support inside is installed to the bottom of box (1), the pivot fixed connection on servo motor's drive shaft and turbofan (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210487213.6A CN114858542A (en) | 2022-05-06 | 2022-05-06 | Greenhouse gas emission concentration on-line monitoring device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210487213.6A CN114858542A (en) | 2022-05-06 | 2022-05-06 | Greenhouse gas emission concentration on-line monitoring device |
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| CN114858542A true CN114858542A (en) | 2022-08-05 |
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| CN202210487213.6A Pending CN114858542A (en) | 2022-05-06 | 2022-05-06 | Greenhouse gas emission concentration on-line monitoring device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115407032A (en) * | 2022-11-01 | 2022-11-29 | 常州信凯峰精密仪器有限公司 | Automatic online analysis gas monitoring equipment for intelligent chip manufacturing |
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2022
- 2022-05-06 CN CN202210487213.6A patent/CN114858542A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115407032A (en) * | 2022-11-01 | 2022-11-29 | 常州信凯峰精密仪器有限公司 | Automatic online analysis gas monitoring equipment for intelligent chip manufacturing |
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