CN217133081U - Plant respiration intensity measurement system - Google Patents
Plant respiration intensity measurement system Download PDFInfo
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- CN217133081U CN217133081U CN202220144950.1U CN202220144950U CN217133081U CN 217133081 U CN217133081 U CN 217133081U CN 202220144950 U CN202220144950 U CN 202220144950U CN 217133081 U CN217133081 U CN 217133081U
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Abstract
The utility model discloses a plant respiration intensity survey system relates to plant respiration measuring equipment field, including the breathing box, the air pump, the reactor, sour reagent container and alkali reagent container, breathe the roof portion can communicate with the outside, the breathing box can be sealed, the air pump has two air inlets, an air inlet can communicate with the breathing box, another air inlet can communicate with the air, the gas outlet and the reactor intercommunication of air pump, sour reagent container and alkali reagent container can communicate and inject reagent into to the reactor with the reactor, the breathing box is used for placing the plant that needs survey respiration intensity, the air pump is used for letting in the reactor through the gas of an air inlet in with the breathing box, the air pump is used for letting in the air in to the reactor through another air inlet. The utility model provides a plant respiration intensity survey system can improve the precision of plant respiration intensity survey.
Description
Technical Field
The utility model relates to a plant breathes measuring equipment field, concretely relates to plant respiration intensity survey system.
Background
Human activities emit large amounts of greenhouse gases into the atmosphere, creating a range of climatic problems. The respiration intensity of the plant is effectively and accurately measured, the carbon dioxide absorption amount of the plant is calculated, the method is an important data acquisition link in the climate change research, important data support is provided for inhibiting the climate change, and the method has great significance for the sustainable development of human beings.
At present, a trace constant-volume pressure measurement method, a small basket method and a carbon dioxide infrared gas analyzer are generally adopted for measuring the plant respiration intensity. The micro constant-volume pressure measurement method is characterized in that under the conditions of constant temperature and constant volume, the consumption of oxygen is measured by using pressure change, and the plant respiration intensity is calculated by using the consumed oxygen, but the volume of a sample used by the micro constant-volume pressure measurement method is small, the sampling requirement is fine, the process is complicated, and the error of the measurement result is large; the small basket method is characterized in that carbon dioxide generated by breathing in unit time is absorbed by alkaline solution, then the residual alkaline solution is titrated by using acid solution, the amount of carbon dioxide released in the breathing process is calculated by the difference between the blank and the acid solution consumed by a sample, so that the plant breathing intensity is calculated, however, the small basket method is difficult to avoid the invasion and interference of external carbon dioxide gas in the experimental operation process, the number of human objective factors is large, and in the titration process, a wide-mouthed bottle needs to be shaken continuously, so that the tip of a burette is broken or broken, and the accuracy of the measurement result is poor; the carbon dioxide infrared gas analyzer continuously monitors the change of the carbon dioxide amount, so that the plant respiration intensity is calculated, but the carbon dioxide infrared gas analyzer is expensive and inconvenient to carry.
Disclosure of Invention
The utility model aims at providing a plant respiration intensity survey system to solve the problem that above-mentioned prior art exists, can improve the precision of plant respiration intensity survey.
In order to achieve the above object, the utility model provides a following scheme:
the utility model provides a plant respiration intensity survey system, including breathing case, air pump, reactor, acid reagent container and alkali reagent container, breathing case top can communicate with the outside, the breathing case can be sealed, the air pump has two air inlets, one the air inlet can with breathing case intercommunication, another the air inlet can communicate with the air, the gas outlet of air pump with the reactor intercommunication, acid reagent container with alkali reagent container can with the reactor intercommunication and to inject reagent in the reactor, the breathing case is used for placing the plant that needs survey respiration intensity, the air pump is used for through one the air inlet will gas in the breathing case lets in the reactor, the air pump is used for through another the air inlet to let in the air in the reactor.
Preferably, a top breather pipe is arranged at the top of the breathing box, a valve is arranged on the top breather pipe, and the top breather pipe can communicate the inside of the breathing box with the outside air.
Preferably, the air pump is communicated with the reactor through a connecting pipe, one end of the connecting pipe is connected and communicated with an air outlet of the air pump, the other end of the connecting pipe penetrates through the side wall of the reactor and enters the reactor, and an aeration head is arranged at one end of the connecting pipe arranged in the reactor.
Preferably, the device further comprises a washing liquid reagent bottle which is communicated with the reactor.
Preferably, the bottom of the reactor is provided with a liquid discharge pipe.
Preferably, the upper part of the reactor is provided with an exhaust pipe.
Preferably, the acid reagent container is made of transparent materials, and the side wall of the acid reagent container is provided with volume scales.
Preferably, the alkali reagent container is made of transparent materials, and the side wall of the alkali reagent container is provided with volume scales.
Preferably, the acid reagent container and the alkali reagent container are both arranged above the reactor, and the bottom of each of the acid reagent container and the alkali reagent container can be communicated with the top of the reactor.
Preferably, the washing liquid reagent bottle is arranged above the reactor, and the bottom of the washing liquid reagent bottle can be communicated with the top of the reactor.
The utility model discloses for prior art gain following technological effect:
the utility model provides a plant respiration intensity survey system, breathe the roof portion and can communicate with the outside, breathe the case and can seal, the air pump has two air inlets, an air inlet can communicate with breathing the case, another air inlet can communicate with the air, the gas outlet and the reactor intercommunication of air pump, acid reagent container and alkali reagent container can communicate with the reactor and to injecting reagent in the reactor, it is used for placing the plant that needs survey respiration intensity to breathe the case, the air pump is used for letting in the reactor with the gas of breathing the incasement through an air inlet, the air pump is used for letting in the air in to the reactor through another air inlet. By using the device, firstly introducing the alkaline solution in the acid reagent container into the reactor, then adding the acid-base indicator, then introducing the gas breathed by the plants in the breathing box into the reactor, and then titrating the solution in the reactor by using the acidic solution in the acid reagent container; and then, introducing air with the same volume into the reactor by using an air pump for titration, and titrating the volume difference of the used acidic solution twice to obtain the respiration intensity of the plant. Use the respiratory intensity survey system of plant survey the respiratory intensity of plant, easy operation, gas after will breathing lets in the in-process of reactor, and the outside air sneaks into and can not influence the measurement structure to can improve measurement accuracy height.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and 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 these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a plant respiration intensity measuring system provided in the present invention.
In the figure: 1-a breathing box; 2-a top vent pipe; 3-an alkaline reagent container; a 4-acid reagent container; 5-washing liquid reagent bottle; 6-a washing liquid feeding pipe; 7-acid solution adding tube; 8-alkaline solution adding tube; 9-a breather pipe; 10-a reactor; 11-an aeration head; 12-a drain pipe; 13-an air pump; 14-a three-way valve; 15-plant.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model aims at providing a plant respiration intensity survey system to solve the problem that above-mentioned prior art exists, can improve the precision of plant respiration intensity survey.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
The embodiment provides a plant respiration intensity measurement system, as shown in fig. 1, including breathing case 1, air pump 13, reactor 10, acid reagent container 4 and alkali reagent container 3, breathing case 1 top can communicate with the outside, breathing case 1 can be sealed, air pump 13 has two air inlets, an air inlet can communicate with breathing case 1, another air inlet can communicate with the air, the gas outlet and the reactor 10 of air pump 13 communicate, acid reagent container 4 and alkali reagent container 3 can communicate with reactor 10 and inject reagent into reactor 10, breathing case 1 is used for placing the plant 15 that needs to survey respiratory intensity, air pump 13 is used for letting in the gas in breathing case 1 into reactor 10 through an air inlet, air pump 13 is used for letting in the air in reactor 10 through another air inlet. In this embodiment, the acid reagent container 4 is used for containing acidic solution, in this embodiment, the acid reagent container 4 is preferably used for containing 1mmol/L HCl standard solution, the alkali reagent container 3 is used for containing alkaline solution, and in this embodiment, the alkali reagent container 3 is preferably used for containing 1mmol/L Ba (OH) 2 And (3) solution. Determining the respiration intensity of the plant 15 when neededWhen in use, the plant 15 is firstly put into the breathing box 1, and then the breathing box 1 is sealed. 1mmol/L of Ba (OH) 2 The first amount of solution drop gets into reactor 10, drop into acid-base indicator in reactor 10 again, acid-base indicator is preferred to phenolphthalein reagent in this embodiment, after plant 15 breathes case 1 first time in breathing case 1, use air pump 13 to let in the gas in breathing case 1 into reactor 10 to make the top and the outside intercommunication of breathing case 1, the operating time of air pump 13 is the second time, air pump 13 can be in the second time with the gas after plant 15 breathes in breathing case 1 completely let in reactor 10 can. After the gas breathed by the plant 15 in the breathing box 1 completely reacts with the solution in the reactor 10, dripping 1mmol/L HCl standard solution into the reactor 10 through the acid reagent container 4 for titration, and recording the dosage of the HCl standard solution as a second dosage when titration is carried out until phenolphthalein in the reactor 10 changes color; after washing the reactor 10, 1mmol/L of Ba (OH) 2 The first amount of solution drops into the reactor 10, the acid-base indicator is dropped into the reactor 10, the air is introduced into the reactor 10 by using the air pump 13, the operation time of the air pump 13 is the second time, and the operation time of the air pump 13 is the same, so that the volumes of the gases entering the reactor 10 at two times are the same. After the air introduced by the air pump 13 completely reacts with the solution in the reactor 10, dripping 1mmol/L HCl standard solution into the reactor 10 through the acid reagent container 4 for titration, and recording the dosage of the HCl standard solution as a third dosage when titration is carried out until phenolphthalein in the reactor 10 changes color; the difference between the third amount and the second amount is the amount of HCl standard solution consumed by the carbon dioxide produced by the respiration of the plant 15. The amount of the carbon dioxide generated by the respiration of the plant 15 can be obtained according to the amount of the HCl standard solution consumed by the carbon dioxide generated by the respiration of the plant 15, and then the plant respiration intensity can be obtained by dividing the amount of the carbon dioxide generated by the respiration of the plant 15 by the first time. By adopting the plant respiration intensity measuring system, the measuring result cannot be interfered by doping the outside air into the gas after the plant 15 reacts, so that the precision of measuring the plant respiration intensity can be improved.
In this embodiment, to prevent Ba (OH) 2 Ba (OH) in solution 2 When the gas breathed by the plant 15 is completely consumed and the acid-base indicator is discolored when the gas is introduced into the reactor 10, the measurement test can be performed again, and the first dosage of N (N ≧ 2) times of 1mmol/L Ba (OH) is used 2 The solution is passed into reactor 10.
In this embodiment, 1 top of breathing box is provided with top breather pipe 2, is provided with the valve on the top breather pipe 2, and top breather pipe 2 can communicate 1 inside and outside air of breathing box. In this embodiment, the top snorkel 2 is used to communicate the breathing box 1 with the outside, and the top snorkel 2 communicates the breathing box 1 with the outside air when the air pump 13 pumps the gas generated after the reaction of the plants 15 in the breathing box 1 into the reactor 10, so that the air pressure in the breathing box 1 is kept balanced, and the flow of the air pump 13 is not changed. Ensuring that the air pump 13 feeds the plant 15 into the reactor 10 with equal doses of air and air after breathing in the second time.
In this embodiment, the plant respiration intensity measuring system further includes a three-way valve 14, one port of the three-way valve 14 is connected to the air inlet of the air pump 13, so as to divide the inlet of the air pump 13 into two ports, one of the remaining two ports of the three-way valve 14 is communicated with the bottom of the respiration box 1, and the other port is communicated with the air.
In this embodiment, the air pump 13 is communicated with the reactor 10 through a connecting pipe, one end of the connecting pipe is connected and communicated with an air outlet of the air pump 13, the other end of the connecting pipe penetrates through the side wall of the reactor 10 and enters the inside of the reactor 10, and one end of the connecting pipe arranged inside the reactor 10 is provided with an aeration head 11. The aeration head 11 is arranged to make the gas introduced into the reactor 10 contact with the solution in the reactor 10 more fully, so that the reaction is more fully performed.
In this embodiment, the device further comprises a washing solution reagent bottle 5, and the washing solution reagent bottle 5 is communicated with the reactor 10. The cleaning solution reagent bottle 5 is used for containing cleaning solution, after the gas breathed by the plant 15 and the solution in the reactor 10 react, the solution in the reactor 10 is discharged, and the cleaning solution in the cleaning solution reagent bottle 5 is used for cleaning the reactor 10, so that the influence of the residual solution on the measurement result is avoided.
In this embodiment, a drain pipe 12 is provided at the bottom of the reactor 10, and the drain pipe 12 is used for draining the solution or the washing solution in the reactor 10.
In this embodiment, the upper part of the reactor 10 is provided with an exhaust pipe for exhausting gas which enters the reactor 10 and reacts with the solution in the reactor 10.
In this embodiment, the acid reagent container 4 is made of transparent material, and the side wall of the acid reagent container 4 is provided with volume scales, so that the reading can be performed, and how much solution is added into the reactor 10 can be obtained.
In this embodiment, the alkali reagent container 3 is made of transparent material, and the sidewall of the alkali reagent container 3 is provided with volume scales, so that the reading can be performed, and how much solution is added into the reactor 10 can be obtained.
In this embodiment, the acid reagent container 4 and the alkali reagent container 3 are both disposed above the reactor 10, and the respective bottoms of the acid reagent container 4 and the alkali reagent container 3 can communicate with the top of the reactor 10. The acid reagent container 4 and the alkali reagent container 3 are arranged at the top of the reactor 10, and the solution can be added into the reactor 10 by utilizing gravity, so that the use is convenient.
In this embodiment, washing liquid reagent bottle 5 sets up in reactor 10 top, and washing liquid reagent bottle 5's bottom can communicate with reactor 10's top, utilizes gravity can add the washing liquid to reactor 10, convenient to use.
In this embodiment, the acid reagent container 4 is communicated with the reactor 10 through the acid solution feeding tube 7, the alkali reagent container 3 is communicated with the reactor 10 through the alkali solution feeding tube 8, and the washing solution reagent bottle 5 is communicated with the reactor 10 through the washing solution feeding tube 6.
In this embodiment, valves are disposed on the cleaning solution feeding pipe 6, the acidic solution feeding pipe 7, the alkaline solution feeding pipe 8, the vent pipe 9, and the drain pipe 12.
The utility model discloses a concrete example is applied to explain the principle and the implementation mode of the utility model, and the explanation of the above example is only used to help understand the method and the core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.
Claims (10)
1. A plant respiration intensity measurement system is characterized in that: including breathing case, air pump, reactor, acid reagent container and alkali reagent container, breathe the roof portion can communicate with the outside, it can seal to breathe the case, the air pump has two air inlets, one the air inlet can with breathe the case intercommunication, another the air inlet can communicate with the air, the gas outlet of air pump with the reactor intercommunication, acid reagent container with alkali reagent container can with the reactor intercommunication and to inject reagent in the reactor, breathe the case and be used for placing the plant that needs survey respiratory intensity, the air pump is used for through one the air inlet will gas in the breathing case lets in the reactor, the air pump is used for through another the air inlet to let in the air in the reactor.
2. The system for measuring plant respiration intensity according to claim 1, wherein: the top of the breathing box is provided with a top breather pipe, the top breather pipe is provided with a valve, and the top breather pipe can communicate the inside of the breathing box with the outside air.
3. The system for measuring plant respiration intensity according to claim 1, wherein: the air pump is communicated with the reactor through a connecting pipe, one end of the connecting pipe is connected and communicated with an air outlet of the air pump, the other end of the connecting pipe penetrates through the side wall of the reactor and enters the reactor, and an aeration head is arranged at one end of the connecting pipe arranged in the reactor.
4. The system for measuring plant respiration intensity according to claim 1, wherein: still include washing liquid reagent bottle, washing liquid reagent bottle with the reactor intercommunication.
5. The system for measuring plant respiration intensity according to claim 1, wherein: and a liquid discharge pipe is arranged at the bottom of the reactor.
6. The system for measuring plant respiration intensity according to claim 5, wherein: and an exhaust pipe is arranged at the upper part of the reactor.
7. The system for measuring plant respiration intensity according to claim 1, wherein: the acid reagent container is made of transparent materials, and the side wall of the acid reagent container is provided with volume scales.
8. The system for measuring plant respiration intensity according to claim 7, wherein: the alkali reagent container is made of transparent materials, and the side wall of the alkali reagent container is provided with volume scales.
9. The system for measuring plant respiration intensity according to claim 8, wherein: the acid reagent container and the alkali reagent container are both arranged above the reactor, and the bottom of each of the acid reagent container and the alkali reagent container can be communicated with the top of the reactor.
10. The system for measuring plant respiration intensity according to claim 4, wherein: the washing liquid reagent bottle is arranged above the reactor, and the bottom of the washing liquid reagent bottle can be communicated with the top of the reactor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220144950.1U CN217133081U (en) | 2022-01-19 | 2022-01-19 | Plant respiration intensity measurement system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220144950.1U CN217133081U (en) | 2022-01-19 | 2022-01-19 | Plant respiration intensity measurement system |
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| CN217133081U true CN217133081U (en) | 2022-08-05 |
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| CN202220144950.1U Active CN217133081U (en) | 2022-01-19 | 2022-01-19 | Plant respiration intensity measurement system |
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| CN (1) | CN217133081U (en) |
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