Static box for collecting greenhouse gas of cotton field soil for drip irrigation under mulch

Abstract

The utility model discloses a static box used for collecting under-mulch drip irrigation cotton field soil greenhouse gas, which comprises a base, a static box main body and a water injection component, a water tank is arranged at the top of the base, the static box main body is placed in the water tank, and the water injection component is connected and communicated with the water tank through a water injection pipe. Water is directly injected into the water tank through the water injection assembly and the water injection pipe, the situation that water splashes to soil around the base due to the water pouring action is avoided, and the influence of soil moisture disturbance on the soil greenhouse gas emission measurement result can be reduced or eliminated.

Description

Technical Field

[0001] The utility model relates to the technical field of static chambers, and more specifically, to a static chamber for collecting soil greenhouse gases in a film drip-irrigated cotton field. Background Art

[0002] At present, the soil greenhouse gas collection device (static chamber) mainly consists of a base and a static chamber body. There is a water tank at the top of the base. When the static chamber body is placed in the water tank, water is injected into the water tank to play a sealing role (ensure airtightness).

[0003] However, in the current water injection method, water is directly poured into the water tank, and the water often splashes onto the soil around the base, thus disturbing the soil carbon and nitrogen cycling process, and further affecting the accuracy of the determination results of soil greenhouse gases.

[0004] Therefore, it is an urgent problem for those skilled in the art to provide a static chamber for collecting soil greenhouse gases in a film drip-irrigated cotton field with accurate determination results. Summary of the Utility Model

[0005] In view of this, the utility model provides a static chamber for collecting soil greenhouse gases in a film drip-irrigated cotton field, which can avoid water splashing onto the soil around the base during water injection, so as to reduce or eliminate the influence of soil moisture disturbance on the determination results of soil greenhouse gas emissions.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A static chamber for collecting soil greenhouse gases in a film drip-irrigated cotton field, including a base and a static chamber body. There is a water tank at the top of the base, and the static chamber body is placed in the water tank. It also includes a water injection assembly, and the water injection assembly is connected and communicated with the water tank through a water injection pipe.

[0008] By adopting the above technical scheme, the beneficial effect of the utility model is:

[0009] The water injection assembly and the water injection pipe are used to directly inject water into the water tank, avoiding water splashing onto the soil around the base due to the water pouring action, and being able to reduce or eliminate the influence of soil moisture disturbance on the determination results of soil greenhouse gas emissions.

[0010] Further, the water injection assembly includes a water storage tank and a bracket. There is a water filling port at the top of the water storage tank, and the water storage tank is installed on the bracket; one end of the water injection pipe is connected and communicated with the bottom of the water storage tank, and the other end of the water injection pipe is connected and communicated with the water tank.

[0011] The beneficial effect produced by adopting the above further technical scheme is that the structure is simple and easy to operate.

[0012] Further, the position where the water injection pipe is connected to the bottom of the water storage tank is higher than the position where the water injection pipe is connected to the water tank.

[0013] The beneficial effect of adopting the above further technical solution is that the water in the water storage tank enters the water tank by using the gravity effect.

[0014] Further, a valve is installed on the water injection pipe.

[0015] The beneficial effect of adopting the above further technical solution is to control the flow rate and switch of water.

[0016] Further, corresponding circular holes are provided on the front and back sides of the base.

[0017] The beneficial effect of adopting the above further technical solution is that it is used for the drip irrigation belt to pass through the base, so that the soil condition in the base can be kept consistent with that in the field.

[0018] Further, the cross-section of the base is rectangular, the length of the base is 115 cm, and the width is 30 cm.

[0019] The beneficial effect of adopting the above further technical solution is that it is applicable to the 1-film 3-pipe 6-row under-film drip irrigation cotton field planting system.

[0020] Further, a plurality of communication holes are provided on the left side or the right side of the base.

[0021] The beneficial effect of adopting the above further technical solution is that the water and substances of the drip irrigation belt near the side can enter the soil in the base.

[0022] Further, a vertically distributed reinforcing plate is provided in the middle of the base, and the reinforcing plate has a plurality of through holes.

[0023] The beneficial effect of adopting the above further technical solution is to enhance the stability of the base, and the through holes are used to realize the material exchange of the soil on both sides of the reinforcing plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only the embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained according to the provided drawings without creative efforts.

[0025] Figure 1 The attached drawing is a schematic structural diagram of a static box for collecting greenhouse gases in the soil of an under-film drip irrigation cotton field provided by the present invention;

[0026] Figure 2 The accompanying drawing is a schematic structural view of the base provided by the present utility model;

[0027] Figure 3 The accompanying drawing is a schematic layout position view of the base provided by the present utility model in the soil of a film - covered drip - irrigation cotton field. Specific embodiments

[0028] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0029] As Figures 1-3 shown, an embodiment of the present utility model discloses a static chamber for collecting greenhouse gases in the soil of a film - covered drip - irrigation cotton field. In this embodiment, the film - covered drip - irrigation cotton field is specifically a 1 - film 3 - tube 6 - row drip - irrigation cotton field, that is, 1 plastic film, 3 drip irrigation tapes, and 6 rows of cotton. The static chamber includes a base 1, a static chamber main body 2, and a water injection assembly 3. The top of the base 1 has a water tank 11, the static chamber main body 2 is placed in the water tank 11, and the water injection assembly 3 is connected to the water tank 11 through a water injection pipe 4. The present utility model directly injects water into the interior of the water tank 11 by using the water injection assembly 3 and the water injection pipe 4, avoiding the water splashing onto the soil around the base due to the pouring action, and can reduce or eliminate the influence of soil moisture disturbance on the measurement results of soil greenhouse gas emissions.

[0030] Specifically, the water injection assembly 3 includes a water storage tank 31 and a support 32. The top of the water storage tank 31 has a water filling port, the water storage tank 31 is installed on the support 32, and the support 32 is placed or inserted into the soil; one end of the water injection pipe 4 is connected to the bottom of the water storage tank 31 in communication, and the other end of the water injection pipe 4 is connected to the water tank 11 in communication. In this embodiment, the water injection pipe 4 is thread - connected to both the water storage tank 31 and the water tank 11, ensuring tightness and facilitating disassembly.

[0031] Specifically, the position where the water injection pipe 4 is connected to the bottom of the water storage tank 31 is higher than the position where the water injection pipe 4 is connected to the water tank 11, so as to utilize the gravity effect to enable the water in the water storage tank 31 to enter the water tank 11. The structure is simple and cost - saving.

[0032] To further optimize the technical solution of the present utility model, a valve 5 is installed on the water injection pipe 4 to control the water flow rate and switch, avoiding water splashing in the water tank due to excessive water flow rate, and closing in time after water injection is completed, with convenient operation.

[0033] Specifically, circular holes 12 corresponding to each other are formed on the front and rear sides of the base 1. In this embodiment, the circular holes 12 are located 12 cm away from the water tank 11, with a diameter of 2 cm, for the drip irrigation tape 6 to pass through the base 1, so as to be applicable to collecting greenhouse gases in the soil of drip irrigation cotton fields under plastic films, avoiding the influence of the base on the original layout of the drip irrigation tape 6, and enabling the soil condition inside the base 1 to be consistent with that of the field.

[0034] Specifically, the cross-section of the base 1 is rectangular, with a length of 115 cm and a width of 30 cm, applicable to the 1-film 3-pipe 6-row drip irrigation cotton field planting system.

[0035] Specifically, a plurality of communication holes 13 are formed on the left or right side of the base 1. In this embodiment, the communication holes 13 are rectangular, with a length of 2 cm and a width of 0.2 cm, enabling the water and substances in the middle drip irrigation tape 6 to enter the soil inside the base 1, and there are cotton plants on both sides of the drip irrigation tape 6.

[0036] In order to further optimize the technical solution of the present utility model, a vertically distributed reinforcing plate 14 is provided in the middle of the base 1 to enhance the stability of the base 1. The reinforcing plate 14 has a plurality of through holes 141 for realizing the material exchange of the soil on both sides of the reinforcing plate 14.

[0037] In this specification, each embodiment is described in a progressive manner. The key point of each embodiment is to illustrate the differences from other embodiments. The same or similar parts among the embodiments can be referred to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant parts can be referred to the description of the method part.

[0038] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present utility model. Various modifications to these embodiments will be obvious to those skilled in the art. The general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present utility model. Therefore, the present utility model will not be limited to the embodiments shown herein, but will be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A static chamber for collecting soil greenhouse gases in a drip irrigation cotton field under plastic film, comprising a base and a static chamber main body. The top of the base has a water trough, and the static chamber main body is placed in the water trough. It is characterized in that, It further includes a water injection assembly, and the water injection assembly is connected and communicated with the water tank through a water injection pipe.

2. The static chamber for collecting greenhouse gases in the soil of a drip-irrigation cotton field under plastic film according to claim 1, characterized in that, The water injection assembly includes a water storage tank and a bracket. The top of the water storage tank has a water filling port; the water storage tank is installed on the bracket; one end of the water injection pipe is connected and communicated with the bottom of the water storage tank, and the other end of the water injection pipe is connected and communicated with the water tank.

3. A static chamber for collecting greenhouse gases in the soil of a drip-irrigated cotton field under plastic film according to claim 2, characterized in that, The position where the water injection pipe is connected and communicated with the bottom of the water storage tank is higher than the position where the water injection pipe is connected and communicated with the water tank.

4. A static chamber for collecting soil greenhouse gases in a film - mulched drip - irrigated cotton field according to claim 2 or 3, characterized in that, A valve is installed on the water injection pipe.

5. A static chamber for collecting greenhouse gases in the soil of a drip-irrigated cotton field under plastic film according to claim 1, characterized in that, Corresponding circular holes are provided on the front and rear sides of the base.

6. A static chamber for collecting greenhouse gases in the soil of a film - mulched drip - irrigated cotton field according to claim 1, characterized in that, The cross-section of the base is rectangular, the length of the base is 115 cm, and the width is 30 cm.

7. A static chamber for collecting soil greenhouse gases in a drip irrigation cotton field under plastic film according to claim 6, characterized in that, A plurality of communication holes are provided on the left side or the right side of the base.

8. A static chamber for collecting greenhouse gases in the soil of a drip-irrigated cotton field under plastic film according to claim 6, characterized in that, A vertically distributed reinforcing plate is provided in the middle of the base, and the reinforcing plate has a plurality of through holes.

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