CN216847086U - Adjustable layered gas production tank - Google Patents
Adjustable layered gas production tank Download PDFInfo
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- CN216847086U CN216847086U CN202220091950.XU CN202220091950U CN216847086U CN 216847086 U CN216847086 U CN 216847086U CN 202220091950 U CN202220091950 U CN 202220091950U CN 216847086 U CN216847086 U CN 216847086U
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 30
- 239000007789 gas Substances 0.000 claims abstract description 56
- 238000009423 ventilation Methods 0.000 claims abstract description 14
- 238000005259 measurement Methods 0.000 claims abstract description 10
- 241000883990 Flabellum Species 0.000 claims abstract description 3
- 238000007789 sealing Methods 0.000 claims description 18
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 9
- 239000000741 silica gel Substances 0.000 claims description 9
- 229910002027 silica gel Inorganic materials 0.000 claims description 9
- 238000004891 communication Methods 0.000 claims description 7
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 4
- 239000001569 carbon dioxide Substances 0.000 claims description 4
- MGWGWNFMUOTEHG-UHFFFAOYSA-N 4-(3,5-dimethylphenyl)-1,3-thiazol-2-amine Chemical compound CC1=CC(C)=CC(C=2N=C(N)SC=2)=C1 MGWGWNFMUOTEHG-UHFFFAOYSA-N 0.000 claims description 3
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 238000003860 storage Methods 0.000 claims description 3
- 238000005070 sampling Methods 0.000 abstract description 27
- 239000005431 greenhouse gas Substances 0.000 abstract description 18
- 230000004907 flux Effects 0.000 abstract description 8
- 239000000463 material Substances 0.000 abstract description 7
- 238000002360 preparation method Methods 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 15
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 3
- 229920000915 polyvinyl chloride Polymers 0.000 description 3
- 239000004800 polyvinyl chloride Substances 0.000 description 3
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical compound [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 2
- 238000007405 data analysis Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000001272 nitrous oxide Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 210000005239 tubule Anatomy 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
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Abstract
The utility model relates to a greenhouse gas collector technical field, more specifically relates to an adjustable layer-stepping gas production case, including the seal receptacle, one end opening and opening butt can splice the box in the seal receptacle, inlay on can splicing the box and the flabellum is located the fan that can splice the box, locate on can splicing the box and be used for the intercommunication can splice the box inside with the ventilation unit of outside air, connect and can splice box and the inside monitor of gas measurement mouth intercommunication can splice the box to and connect the power of fan and monitor respectively. The utility model aims to overcome current gas sampling case flexibility not enough, can't be applicable to the ecosystem's of different sampling specifications problem, applicable in the greenhouse gas flux in the plant system of different growth periods, the plant system of different heights, can adjust the height of gas production case as required, save device preparation material, optimize measurement accuracy.
Description
Technical Field
The utility model relates to a greenhouse gas collector technical field, more specifically relates to an adjustable layer-stepping gas production case.
Background
Global warming is an environmental problem in the world today, and carbon dioxide (CO)2) Methane (CH)4) And nitrous oxide (N)2O) is the most predominant 3 greenhouse gases in the atmosphere, CO in the atmosphere2、CH4And N2The increase in O concentration is the key to this problem, and therefore the study of greenhouse gas flux in various ecosystems has been the focus of relevant disciplines. The research of greenhouse gas flux adopts the gas sampling case to accomplish ecosystem's gas sampling mostly, the gas sampling case is used for open-air normal position survey, the material is stainless steel or PVC (polyvinyl chloride), the box is usually designed to cover ground area 150 square centimeters to 1 square meter, the volume is about 3 liters, the incasement needs to have a little fan, open a period of time before the sample makes the gas in the case mix, be equipped with the ventilation pipe simultaneously, mainly used for balancing the pressure inside and outside the case, still must leave a aperture on the box, and use the silica gel stopper to seal tightly, be used as the sample connection, most fixed a PVC or stainless steel tubule directly reach the box middle part, in order to obtain the gas sample at middle part. The case has a footing which is a rigid frame that can be pre-inserted into the earth's surface to provide a stable physical boundary for the test surfaces, the frame surfaces and the case surfaces can be in sealing engagement, and the dynamics in the time dimension are kept unaffected by spatial differences. The contact between the box and the footing can be sealed with water or soil.
Present gas sampling box is according to the sampling target of difference, it adopts space and structure to be certain, the sampling box of a specification can only be used for waiting to obtain comparatively accurate experimental result when sampling system matches rather than the volume, when sampling to other ecosystem, if because the production cycle of the target plant in the ecosystem or the measurement volume of height and sampling box do not match, can lead to measurement accuracy low, the error of experiment is big, for example, when the crops plant height is less, and gas sampling box volume is too big, the greenhouse gas that leads to crops to discharge mixes at the incasement with most air, can influence the survey result or make the greenhouse gas concentration hang down, can not obtain accurate crops greenhouse gas's emission when being difficult to observe the trend of change of greenhouse gas emission flux. Therefore, a more flexible gas sampling box with more application scenes needs to be researched to meet different experimental sampling systems and optimize the use effect and the accuracy of experimental measurement.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome current gas sampling case flexibility not enough, the unable ecosystem's of being applicable to different sampling specifications problem provides an adjustable layer-stepping gas production case. The utility model discloses can be applicable to the greenhouse gas flux in the plant system of different growth periods, the plant system of different heights, can adjust the height of gas production case as required, save device preparation material optimizes measurement accuracy.
In order to solve the technical problem, the utility model discloses a technical scheme is:
the utility model provides an adjustable layer-stepping gas production case, includes the seal receptacle, but one end opening and opening butt splice the box in the seal receptacle, inlay on can splicing the box and the flabellum is located the fan that can splice the box, but locate on the box of splicing and be used for the intercommunication splice box inside with the ventilation unit of outside air, but connect splice box and gaseous measuring port intercommunication splice the inside monitor of box to and connect the power of fan and monitor respectively.
Thus, a plant system to be collected is placed in the box body capable of being spliced, the box body capable of being spliced is sealed through the sealing seat, the fan is started for a period of time before sampling to enable gas in the box body to be uniformly mixed, the ventilation device is used for balancing the pressure inside and outside the box, the monitor can measure relevant air quality indexes in the gas production box in real time through the gas measuring port, and the greenhouse gas data of the plant system are monitored and analyzed; wherein, can splice the box and can adjust the volume and the height of whole gas production case to the sampling plant in different growth periods to the greenhouse gas flux in the adaptation sampling plant, save the device preparation material can be applicable to more sampling condition, optimizes the measurement accuracy of experiment, can splice the convenient dismantlement of box simultaneously, makes the device more nimble, can conveniently carry and store.
It should be noted that the materials of the splicable box body include, but are not limited to, those made of acrylic organic glass, metal, plastic, etc.
Furthermore, can splice the box including can dismantle the base of connecting in proper order, extend box and end cover, the one end of base and seal receptacle butt and the other end can be dismantled with the one end of extending the box and be connected, and the end cover can be dismantled with the other end of extending the box and be connected, and the monitor is located on the end cover. Like this, through the collocation of detachable base, end cover, whether add expansion box according to the plant height free choice of difference realizes the regulation of volume and height.
Further, the base, the expansion box body and the end cover are connected through a first flange, and a first silica gel sealing gasket is arranged at the joint of the first flange. Like this, flange joint can quick assembly disassembly, increases the sealed airtight nature that guarantees that can splice the box inside of packing of silica gel, prevents to be influenced the experimental result by outside air at the acquisition in-process.
Furthermore, the expansion box body is composed of a plurality of expansion units which are detachably connected end to end in sequence. Therefore, the expansion box body can have more combination forms according to the requirement, and the application range is expanded.
Furthermore, two adjacent extension units are connected through a second flange, and a second silica gel sealing gasket is arranged at the joint of the second flange.
Further, the monitor is equipped with first rubber buffer with can splice the box junction, and ventilation unit is equipped with the second rubber buffer with can splice the box junction. Like this, increase the leakproofness that the inside box can be spliced in assurance that the rubber buffer also can be further, prevent to be influenced final experimental result by outside air in the collection process.
Furthermore, the monitor includes the sensor that goes deep into can splice box inside and be used for measuring each item gas index, the treater of connection sensor, the display screen of connection treater to and the communication module of connection treater.
Further, the sensor is one or more of a flow sensor, a nitrogen dioxide sensor, a carbon dioxide sensor, a temperature sensor and a humidity sensor.
Like this, carry out data acquisition to can splice the box inside through various sensors, carry out data analysis through the treater, can send the result of data collection to remote equipment through communication module, also can show through the display screen of monitor from the area, can directly perceived and quick the condition of gathering that obtains, improve experimental efficiency.
Furthermore, the ventilation device is a three-way pipe with a regulating valve. Like this, can adjust the switching of three-way pipe as required through the three-way pipe to satisfy needs such as gas balance, gas extraction to can the splice box internal.
Further, the seal receptacle is provided with the ascending water seal groove of opening, and the opening back-off that can splice the box is in the water seal groove and with water seal groove bottom butt, still is equipped with the thing seat of putting that is used for holding the plant of waiting to sample in the water seal groove, puts the thing seat and is located and can splice inside the box. Like this, seal through the mode of liquid seal, it is simple effective, put the thing seat and can keep apart the liquid of waiting to sample plant and water seal tank, guarantee certain height of placing.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses can splice the box and can adjust the volume and the height of whole gas production case to the plant of waiting to sample in different growth periods to the greenhouse gas flux in the plant of waiting to sample is treated in the adaptation, and save set preparation material can be applicable to more sampling conditions, optimizes the measurement accuracy of experiment, can splice the convenient dismantlement of box simultaneously, makes the device more nimble, can conveniently carry and store.
Drawings
FIG. 1 is a schematic structural view of example 1;
FIG. 2 is an exploded view of example 1;
fig. 3 is a schematic structural view of embodiment 2.
The graphic symbols are illustrated as follows:
1-a sealing seat, 11-a storage seat, 21-a base, 22-an expansion box body, 23-an end cover, 24-a first flange, 25-a first silica gel sealing gasket, 26-a second flange, 3-a fan, 4-a ventilation device, 5-a monitor and 52-a sensor.
Detailed Description
The present invention will be further described with reference to the following embodiments. Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are the terms "upper", "lower", "left", "right", etc. indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of the description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore the terms describing the positional relationship in the drawings are only for illustrative purposes and are not to be construed as limitations of the present patent, and those skilled in the art can understand the specific meanings of the terms according to specific situations.
Example 1
As shown in fig. 1 to 2, an adjustable layered gas production box comprises a sealing seat 1, a splittable box body with an opening at one end and abutted against the sealing seat 1, a fan 3 embedded on the splittable box body and with fan blades located in the splittable box body, a ventilation device 4 arranged on the splittable box body and used for communicating the inside of the splittable box body with outside air, a monitor 5 connected with the splittable box body and with a gas measuring port and communicated with the inside of the splittable box body, and a power supply respectively connected with the fan 3 and the monitor 5.
Thus, a plant system to be collected is placed in a box body capable of being spliced, the box body capable of being spliced is sealed through the sealing seat 1, the fan 3 is started for a period of time before sampling to enable gas in the box body to be uniformly mixed, the ventilation device 4 is used for balancing pressure inside and outside the box, the monitor 5 can measure relevant air quality indexes in the gas collection box in real time through the gas measuring port, and greenhouse gas data of the plant system are monitored and analyzed; wherein, can splice the box and can adjust the volume and the height of whole gas production case to the plant of waiting to sample in different growth periods to the greenhouse gas flux in the plant of waiting to sample is adapted to, and save device preparation material can be applicable to more sampling conditions, optimizes the measurement accuracy of experiment, can splice the convenient dismantlement of box simultaneously, makes the device more nimble, can conveniently carry and store.
As shown in FIG. 2, the spliceable box body comprises a base 21, an expansion box body 22 and an end cover 23 which are sequentially detachably connected, one end of the base 21 is abutted to the sealing seat 1, the other end of the base 21 is detachably connected with one end of the expansion box body 22, the end cover 23 is detachably connected with the other end of the expansion box body 22, and the monitor 5 is arranged on the end cover 23. Therefore, through the matching of the detachable base 21 and the end cover 23, whether the expansion box body 22 is added or not is freely selected according to different plant heights, and the adjustment of the volume and the height is realized.
In this embodiment, the height of the end cover 23 is 10cm, the height of the expanded box 22 is 60cm, and the height of the base 21 is 50cm, so that a gas production box with a height of 60cm, which is formed by only the end cover 23 and the base 21, can be formed according to the growth condition of plants, and a gas production box with a height of 120cm, which is formed by the end cover 23, the expanded box 22 and the base 21, can also be formed.
As shown in fig. 2, the base 21, the expansion tank 22 and the end cover 23 are connected by a first flange 24, and a first silicone gasket 25 is disposed at the joint of the first flange 24. Like this, first flange 24 is connected can quick assembly disassembly, increases the sealed 25 leakproofness that guarantees to splice the box inside of first silica gel, prevents to be influenced the experimental result by outside air in the collection process.
In this embodiment, monitor 5 is equipped with first rubber buffer with can splice the box junction, and ventilation unit 4 is equipped with the second rubber buffer with can splice the box junction. Like this, increase the leakproofness that the inside box can be spliced in assurance that the rubber buffer also can be further, prevent to be influenced final experimental result by outside air in the collection process.
As shown in fig. 1, the monitor 5 includes a sensor 52 extending into the interior of the splicing box body and used for measuring various gas indexes, a processor connected to the sensor 52, a display screen connected to the processor, and a communication module connected to the processor.
In the present embodiment, the sensors 52 include a flow sensor, a nitrogen dioxide sensor, a carbon dioxide sensor, a temperature sensor, and a humidity sensor.
Like this, carry out data acquisition to can splice box inside through various sensors, carry out data analysis through the treater, can send the result of data acquisition to distal end equipment through communication module, also can show through the display screen of monitor 5 from the area, can directly perceived and quick the condition of gathering that obtains, improve experimental efficiency.
As shown in fig. 1, the ventilation device 4 is a tee with a regulating valve. Like this, can adjust the switching of three-way pipe as required to satisfy needs such as gaseous balance, gas extraction to the box that can splice.
The acquisition process of this embodiment is: the embodiment is applied to greenhouse gas collection of potted plants, the potted plants are firstly placed in the sealing seat 1, the potted plants are covered by the splittable box body, the splittable box body is sealed by the sealing seat 1, the three-way pipe and the fan 3 are assembled, the monitor 5 is placed on the end cover 23, and the sensor 52 extends into the splittable box body through the gas measuring port until the sampling position of the three-way pipe at the bottom end (the gas related index of the sampling port is accurately measured); after the assembly is finished, the valve direction of the three-way pipe is adjusted to balance the internal and external air pressure, the valve direction of the three-way pipe is adjusted to be closed and not communicated, then the electric wire of the fan 3 is connected, the fan 3 is started, meanwhile, the monitor 5 on the end cover 23 is started, after the three-way pipe is kept still for a period of time, if the adjusting valve of the three-way pipe needs to be rotated to adjust the communication direction, the needle cylinder is inserted into the three-way pipe to collect quantitative air, then the valve of the three-way pipe is closed, and meanwhile, the air temperature displayed in the air quality sensor is recorded. The above is a step of gas production in one stage.
Example 2
This example is similar to example 1, except that:
in this embodiment, seal receptacle 1 is provided with the ascending water seal groove of opening, can splice the opening back-off of box in the water seal groove and with water seal tank bottom butt, still be equipped with in the water seal groove and be used for holding the thing seat 11 of putting of waiting to sample the plant, put thing seat 11 and be located and can splice the box inside. Like this, seal through the mode of liquid seal, it is simple effective, put thing seat 11 and can keep apart the liquid of waiting to sample plant and water seal tank, guarantee certain height of placing.
Other structures and principles of this embodiment are the same as those of embodiment 1.
The acquisition process of this embodiment is: the embodiment is applied to greenhouse gas collection of potted plants, firstly, a certain amount of water is filled into a water seal tank and is submerged to 1-3cm from the bottom end of the water seal tank for sealing, the potted plants are placed in the water seal tank and are covered by a box body capable of being spliced, a three-way pipe and a fan 3 are assembled, a monitor 5 is placed on an end cover 23, and a sensor 52 extends into the box body capable of being spliced through a gas measuring port until reaching a sampling position of the three-way pipe at the bottom end (the gas related index of the sampling port is accurately measured); after the assembly is finished, the valve direction of the three-way pipe is adjusted to balance the internal and external air pressure, the valve direction of the three-way pipe is adjusted to be closed and not communicated, then the electric wire of the fan 3 is connected, the fan 3 is started, meanwhile, the monitor 5 on the end cover 23 is started, after the three-way pipe is kept still for a period of time, if the adjusting valve of the three-way pipe needs to be rotated to adjust the communication direction, the needle cylinder is inserted into the three-way pipe to collect quantitative air, then the valve of the three-way pipe is closed, and meanwhile, the air temperature displayed in the air quality sensor is recorded. The above is a one-stage gas production step.
Example 3
As shown in fig. 3, this embodiment is similar to embodiment 2 except that:
in this embodiment, the expansion box 22 is composed of 3 expansion units detachably connected end to end in sequence; two adjacent extension units are connected through a second flange 26, and a second silica gel sealing gasket is further arranged at the joint of the second flange 26. Thus, the expansion box body 22 can have more combination forms according to the requirement, and the application range is expanded.
In this embodiment, the height of the end cover 23 is 10cm, the height of each expansion unit is 30cm, and the height of the base 21 is 50cm, so that a gas production box with a height of 60cm, which is formed by only the end cover 23 and the base 21, can be formed according to the growth condition of plants, or gas production boxes with a height of 90cm, 120cm and 150cm, which are formed by the end cover 23, the expansion units and the base 21, can be formed.
Other structures and principles of this embodiment are the same as those of embodiment 2.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. The utility model provides an adjustable layer-stepping gas production case, its characterized in that, includes seal receptacle (1), one end opening and opening butt are in but splicing box in seal receptacle (1), inlay in but splicing box is last and the flabellum is located fan (3) that can splicing box, locate but splicing box is last and be used for the intercommunication can splice box inside and outside air's ventilation unit (4), connect but splicing box and gas measurement mouth intercommunication monitor (5) that can splice box inside to and connect the power of fan (3) and monitor (5) respectively.
2. The adjustable layered gas production box according to claim 1, wherein the spliceable box body comprises a base (21), an expansion box body (22) and an end cover (23), which are detachably connected in sequence, one end of the base (21) is abutted to the sealing seat (1), the other end of the base is detachably connected with one end of the expansion box body (22), the end cover (23) is detachably connected with the other end of the expansion box body (22), and the monitor (5) is arranged on the end cover (23).
3. The adjustable layered gas production box according to claim 2, wherein the base (21), the expansion box body (22) and the end cover (23) are connected through a first flange (24), and a first silica gel sealing gasket (25) is arranged at the joint of the first flange (24).
4. An adjustable stratified gas production tank as claimed in claim 2, wherein the expansion box body (22) is composed of a plurality of expansion units which are detachably connected end to end in sequence.
5. The adjustable layered gas production box according to claim 4, wherein two adjacent expansion sheets are connected through a second flange (26), and a second silica gel sealing gasket is further arranged at the joint of the second flanges (26).
6. The adjustable layered gas production box according to any one of claims 1 to 5, wherein a first rubber plug is arranged at the joint of the monitor (5) and the splicable box body, and a second rubber plug is arranged at the joint of the ventilation device (4) and the splicable box body.
7. An adjustable stratified gas production tank as claimed in any one of claims 1 to 5, wherein the monitor (5) comprises a sensor (52) extending into the interior of the spliceable tank body for measuring various gas indicators, a processor connected to the sensor (52), a display screen connected to the processor, and a communication module connected to the processor.
8. The adjustable stratified gas production tank as recited in claim 7, wherein the sensor (52) is one or more of a flow sensor, a nitrogen dioxide sensor, a carbon dioxide sensor, a temperature sensor, and a humidity sensor.
9. An adjustable stratified gas production tank as claimed in any one of claims 1 to 5, wherein the ventilation means (4) is a tee with a regulating valve.
10. The adjustable layered gas production box according to any one of claims 1 to 5, wherein the sealing seat (1) is provided with a water-sealed tank with an upward opening, the opening of the splittable box body is reversely buckled in the water-sealed tank and is abutted against the bottom of the water-sealed tank, the water-sealed tank is further provided with a storage seat (11) for storing a plant to be sampled, and the storage seat (11) is positioned inside the splittable box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220091950.XU CN216847086U (en) | 2022-01-13 | 2022-01-13 | Adjustable layered gas production tank |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220091950.XU CN216847086U (en) | 2022-01-13 | 2022-01-13 | Adjustable layered gas production tank |
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| CN216847086U true CN216847086U (en) | 2022-06-28 |
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| CN202220091950.XU Active CN216847086U (en) | 2022-01-13 | 2022-01-13 | Adjustable layered gas production tank |
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| CN (1) | CN216847086U (en) |
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- 2022-01-13 CN CN202220091950.XU patent/CN216847086U/en active Active
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