Field in-situ soil leaching solution collecting device

Abstract

The utility model belongs to a field in-situ soil leaching solution collecting device. Comprising a shell, and the shell is internally provided with a plurality of soil leaching solution collecting units which are used for collecting a leaching solution in the same depth with soil so as to improve the accuracy of a leaching solution detection result; each group of soil leaching solution collecting unit comprises a plurality of independent soil leaching solution collecting parts for collecting leaching solutions of different soil depths; the shell is arranged underground, a leaching solution pipeline of the soil leaching solution collecting part is matched with a suction filtration unit arranged on the ground, and the tail end of the suction filtration unit is connected with a leaching solution storage unit; the device can be used for collecting leaching solutions with different soil layer depths and collecting a plurality of groups of samples of leaching solutions with the same soil layer depth, so that the device has the characteristics of measuring nutrient loss conditions of soil with different depths and preparing detection results.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of soil nutrient leaching research, especially relates to a field in situ soil leaching solution collecting device. BACKGROUND

[0002] In agricultural production, in order to improve crop yield, farmers will apply a large amount of chemical fertilizer, and the large amount of fertilizer application not only can improve crop yield, but also can cause nutrient loss due to rainfall irrigation, and the nutrient loss not only can cause environmental pollution, but also can cause great threat to human health. In order to protect the environment and reduce farmland environmental pollution, experts and scholars are seeking new ways and methods to solve the problem of farmland environmental pollution caused by soil nutrient leaching.

[0003] The utility model discloses a in situ soil nutrient leaching collecting device, and the patent name is: a in situ soil nutrient leaching collecting device, the patent is applicable to the leaching research of farmland in situ soil nutrient, and the soil nutrient leaching can be long-term positioning monitoring and research in the process of farmland planting;The above-mentioned device has important significance to the utilization of nutrient in farmland and the research of fertilizer formula;But in the actual use process, there are only the leaching solution of the soil of the same depth can be collected and the defects that the sample collection is not comprehensive, so that the loss of soil nutrient of different depths cannot be understood, and the detection result is inaccurate, which causes great obstacle to the research of fertilizer. UTILITY MODEL CONTENT

[0004] The utility model provides a field in situ soil leaching solution collecting device for solving the technical problem in the above background art.

[0005] The technical scheme of the utility model is:

[0006] A field in situ soil leaching solution collecting device, the solution collecting device includes a shell, the shell inside is equipped with a plurality of groups of soil leaching solution collecting units for collecting soil depth leaching solution, so as to realize the improvement of leaching solution detection result accuracy;Each group of soil leaching solution collecting unit includes a plurality of independent soil leaching solution collecting parts for collecting leaching solution of different soil depths;The shell is arranged underground, and the leaching solution pipeline of the soil leaching solution collecting part is matched with the suction filtration unit arranged on the ground, and the end of the suction filtration unit is connected with the leaching solution storage unit.

[0007] The utility model discloses beneficial effect is: through setting up the soil leaching solution collection unit of different soil depth in each group can determine the soil nutrient loss condition of different depth, further, set up multiple soil leaching solution collection unit, the soil depth in the soil leaching solution collection unit corresponding of each group is same, above-mentioned setting can provide the multiple leaching solution of same soil depth, through taking the average of multiple leaching solution to reach the characteristics of guaranteeing the accuracy of detection result.

[0008] Preferably, each soil leaching solution collection unit includes a soil layer disposed in an upper portion, a lower portion of the soil layer is provided with an upper filter plate, a lower portion of the upper filter plate is provided with an intermediate filter layer, a lower portion of the intermediate filter layer is provided with a lower filter plate, and a bottom of the lower filter plate is a leaching solution collection chamber; one side of the soil leaching solution collection unit is provided with a leaching solution pipeline penetrating through the soil layer, the upper filter plate, the intermediate filter layer and the lower filter plate, and extending to the bottom of the leaching solution collection chamber; the other side of the soil leaching solution collection unit is provided with a pipeline penetrating through the soil layer, the upper filter plate, the intermediate filter layer and the lower filter plate, and the pipeline is provided with a leaching solution float capable of moving up and down.

[0009] Preferably, the leaching solution float is provided with a scale capable of displaying a liquid level height in the leaching solution collection chamber.

[0010] Preferably, the intermediate filter layer includes a coarse filter sand layer disposed in the upper portion, a lower portion of the coarse filter sand layer is provided with a medium filter sand layer, a lower portion of the medium filter sand layer is provided with a fine filter sand layer, and a bottom of the fine filter sand layer is provided with a filter screen.

[0011] Preferably, a pore size of the upper filter plate is 1mm, and a pore size of the lower filter plate is 0.1mm.

[0012] Preferably, soil layer heights of the soil leaching solution collection units in each group are different.

[0013] Preferably, each soil leaching solution collection unit includes four soil leaching solution collection units, a soil layer thickness in a first soil leaching solution collection unit is 0-20cm, a soil layer thickness in a second soil leaching solution collection unit is 0-40cm, a soil layer thickness in a third soil leaching solution collection unit is 0-60cm, and a soil layer thickness in a fourth soil leaching solution collection unit is 0-80cm.

[0014] Preferably, the suction filtration unit includes a suction filtration pipeline, one end of the suction filtration pipeline is provided with a rubber hose, the other end of the suction filtration pipeline is connected to the leaching solution storage unit, and a foot pump is disposed in a middle portion of the suction filtration pipeline.

[0015] Preferably, the leaching solution storage unit includes a refrigeration and heat preservation chamber and a leaching solution storage bottle disposed in the refrigeration and heat preservation chamber.

[0016] The utility model discloses a field in situ soil leaching solution collection device is made according to the above scheme, the utility model discloses a plurality of sets of soil leaching solution collection unit for carrying out the soil depth leaching solution collection with the soil depth leaching solution collection unit in the same set is set up in the soil leaching solution collection unit of different soil depth soil leaching solution collection part to reach the characteristics of the leaching solution of different soil layer depth is collected, and the leaching solution of the same soil layer depth is collected, so as to realize the determination of the nutrient loss of different depth soil and the detection result preparation, the utility model discloses a filter plate, middle filter layer and lower filter plate can prevent the soil from entering the leaching solution collection chamber, and the purity of leaching solution is maintained for the detection in subsequent process lays the foundation, the pipeline of the utility model discloses can realize the purpose of exhaust pressure relief of leaching solution collection chamber, and lays the foundation for the installation of leaching solution float, further, the utility model discloses is applied to farmland, and it is field in situ soil leaching solution collection device, so there is the characteristics of inconvenient power taking, based on this, the utility model discloses the liquid level in the leaching solution collection chamber is detected through the leaching solution float, and the leaching solution is extracted through the foot pump under the condition of not using power, to reach the characteristics of avoiding the influence of power consumption, and the characteristics of low price and convenient and practical, further, the setting of the filter unit and leaching solution storage unit has the advantages of convenient movement, convenient use and low cost. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the structural schematic diagram of the utility model.

[0018] Figure 2 It is the position relation schematic diagram of soil leaching solution collection part in the shell of the utility model.

[0019] Figure 3 It is the structural schematic diagram of soil leaching solution collection part in the utility model.

[0020] Marked number in the drawing: 1, shell, 2, leaching solution pipeline, 3, soil layer, 4, upper filter plate, 5, lower filter plate, 6, leaching solution collection chamber, 7, pipeline, 8, leaching solution float, 9, coarse filter sand layer, 10, middle filter sand layer, 11, fine filter sand layer, 12, filter screen, 13, filter tube, 14, rubber hose, 15, foot pump, 16, refrigeration preservation room, 17, leaching solution storage bottle. DETAILED DESCRIPTION

[0021] In order to make the technical personnel of the prior art better understand the technical scheme of the utility model, the utility model is described in detail below in conjunction with the drawings, and the description of this part is only exemplary and explanatory, and should not have any limit to the protection scope of the utility model.

[0022] It should be noted that like reference numerals and characters refer to like elements throughout the several views of the drawings, and that, unless otherwise indicated, like reference numerals and characters in different figures indicate like elements therein.

[0023] It should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like, indicate relative or positional relationships, based on the orientation or position shown in the drawings, or the orientation or position in which the utility model product is usually placed during use, and are merely for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second", "third", and the like are only used for differentiation in description and cannot be understood as indicating or implying relative importance.

[0024] In addition, the terms "horizontal", "vertical", "overhanging", and the like do not mean that the components must be absolutely horizontal or overhanging, but can be slightly inclined. For example, "horizontal" only means that its direction is relatively more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0025] In the description of the utility model, it should also be noted that, unless otherwise specified and limited, the terms "provided", "mounted", "connected", "connected" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0026] As Figure 1 , 2As shown, the utility model is a kind of field in situ soil leaching solution collecting device, the solution collecting device includes shell 1, the shell 1 inside is equipped with for carrying out with soil depth leaching solution collection, to realize the several groups of soil leaching solution collection unit of improving leaching solution detection result accuracy;Each group of soil leaching solution collection unit includes for carrying out different soil depth leaching solution collection several independent soil leaching solution collection part;The shell 1 is arranged in underground, and the leaching solution pipeline 2 of soil leaching solution collection part is adapted with the suction filtration unit being arranged on ground, and the end of suction filtration unit is connected with leaching solution storage unit.The utility model is applicable to the leaching solution collection detection of field in situ soil, and its working environment is outdoor;In actual practical process, shell 1 is divided into several soil leaching solution collection parts of identical size, and several above-mentioned soil leaching solution collection parts are grouped, and are divided into several groups of soil leaching solution collection unit;The soil layer depth in the soil leaching solution collection part in one group of soil leaching solution collection unit is different (can be determined soil layer depth according to actual situation), and other groups of leaching solution collection unit are repeated with the soil layer depth in the soil leaching solution collection part in the group of soil leaching solution collection unit as reference, to ensure that the soil leaching solution collection part of same soil layer depth is several, to realize the leaching solution of different depth soil layer is collected, and the leaching solution of same soil layer depth is collected, to meet the multiple groups of sample of same soil layer depth leaching solution are collected, to realize the determination to different depth soil nutrient loss, and the characteristics of detection result preparation.The suction filtration unit in the utility model can be multiple, and it is one-to-one corresponding relationship with the leaching solution pipeline 2 of soil leaching solution collection part respectively, and suction filtration unit can also be one, and it is detachably connected with leaching solution pipeline 2.

[0027] Further, as Figure 1 、 2The utility model discloses a soil leaching solution collecting unit, as shown in the drawings 1-3, each soil leaching solution collecting part includes the soil layer 3 of setting in the inner upper portion, the lower portion of soil layer 3 is equipped with upper filter plate 4, the lower portion of upper filter plate 4 is equipped with intermediate filter layer, the lower portion of intermediate filter layer is equipped with lower filter plate 5, and the bottom of lower filter plate 5 is leaching solution collecting chamber 6, one side of the soil leaching solution collecting part is equipped with the leaching solution pipeline 2 that is penetrated in soil layer 3, upper filter plate 4, intermediate filter layer and lower filter plate 5 and extends to the bottom of leaching solution collecting chamber 6, the other side of the soil leaching solution collecting part is equipped with the pipeline 7 that is penetrated in soil layer 3, upper filter plate 4, intermediate filter layer and lower filter plate 5, and the leaching solution float 8 of being up and down movable is equipped in pipeline 7. The utility model discloses between soil layer 3 and leaching solution collecting chamber 6 is equipped with upper filter plate 4, intermediate filter layer and lower filter plate 5 can realize the purpose of filtering leaching solution and preventing soil from entering leaching solution collecting chamber 6, by setting leaching solution pipeline 2 can realize the extraction of leaching solution, by setting pipeline 7 can realize the purpose of exhaust pressure relief in leaching solution collecting chamber 6, and also can provide the condition for the installation of leaching solution float 8.

[0028] Further, the leaching solution float 8 is provided with a scale for displaying the liquid level in the leaching solution collecting chamber 6. By setting the scale, the leaching solution float 8 can display the liquid level in the leaching solution collecting chamber 6. As mentioned above, the utility model needs to be set outdoors for a long time, and there are problems of inconvenience and safety in use. By setting the leaching solution float 8 with a scale, the liquid level in the leaching solution collecting chamber 6 can be detected without using electricity and reducing costs.

[0029] Further, the intermediate filter layer includes a coarse filter sand layer 9 arranged at the upper portion, a middle filter sand layer 10 arranged at the lower portion of the coarse filter sand layer 9, a fine filter sand layer 11 arranged at the lower portion of the middle filter sand layer 10, and a filter screen 12 arranged at the bottom of the fine filter sand layer 11. By the above arrangement, the leaching solution can be filtered, and the soil can be prevented from entering the leaching solution collecting chamber 6. Further, by arranging the filter screen 12 and the lower filter plate 5 arranged at the bottom of the filter screen 12, the coarse filter sand layer 9, the middle filter sand layer 10, and the fine filter sand layer 11 can be fixed to avoid entering the leaching solution collecting chamber 6.

[0030] Further, the pore size of the upper filter plate 4 is 1 mm, and the pore size of the lower filter plate 5 is 0.1 mm.

[0031] Further, the soil layers 3 of the soil leaching solution collecting units in each group are different in height.

[0032] Further, the soil leaching solution collecting unit includes four soil leaching solution collecting parts, the soil layer 3 in the first soil leaching solution collecting part is 0-20cm thick, the soil layer 3 in the second soil leaching solution collecting part is 0-40cm thick, the soil layer 3 in the third soil leaching solution collecting part is 0-60cm thick, and the soil layer 3 in the fourth soil leaching solution collecting part is 0-80cm thick. The preferred soil leaching solution collecting unit in the utility model is four, each soil leaching solution collecting unit includes four soil leaching solution collecting parts, and the threshold range of the thickness of each soil layer 3 refers to the thickness range of the soil layer 3 in the soil leaching solution collecting part.

[0033] Further, the suction filtration unit includes a suction filtration pipeline 13, one end of the suction filtration pipeline 13 is provided with a rubber hose 14, the other end of the suction filtration pipeline 13 is connected with the leaching solution storage unit, and the middle part of the suction filtration pipeline 13 is provided with a foot pump 15. The rubber hose 14 can be connected with the leaching solution pipeline 2, so that one set of suction filtration unit can be matched with all soil leaching solution collecting parts, and the utility model has the characteristics of low cost and convenient movement. Further, the foot pump 15 can be used to extract the filter liquor under the condition of using electricity, so that the equipment can be independent of electricity, and the utility model has the characteristics of convenient field use and low purchase and operation cost.

[0034] Further, the leaching solution storage unit includes a refrigeration and heat preservation room 16 and a leaching solution storage bottle 17 arranged in the refrigeration and heat preservation room 16. The leaching solution storage unit is arranged on the ground, and the outdoor temperature is relatively high, so that the activity of leaching solution microorganisms or soil enzymes is increased, the nitrogen or other nutrients in the leaching solution are decomposed, and the accuracy of detection data is affected. In order to overcome the above technical problems, the refrigeration and heat preservation room 16 is arranged outside the leaching solution storage bottle 17, liquid nitrogen bags can be put into the refrigeration and heat preservation room 16 in the actual use process, the leaching solution in the leaching solution storage bottle 17 is cooled, and the accuracy of the leaching solution detection result is ensured.

[0035] The working principle of the utility model is: in use, first dig a leaching pit, for example: the length of the leaching pit is 8 meters, the width is 8 meters, and the depth is 1 meter; after assembling the soil leaching solution collecting part inside the shell 1, the dug soil is filled into the leaching column according to 0-20cm, 0-40cm, 0-60cm and 0-80cm. After a period of time, the researcher checks the scale leaching solution float 8 to determine whether there is leaching solution in the soil leaching solution collecting part; when there is leaching solution, the rubber hose 14 is connected with the end of the leaching solution pipeline 2 in the corresponding soil leaching solution collecting part, the liquid nitrogen bag is placed in the refrigeration room 16, the foot pump 15 is stepped to make the leaching solution in the leaching solution collecting chamber 6 enter the leaching solution storage bottle 17 until the leaching solution float 8 returns to zero, and then the leaching solution storage unit is taken down and placed in the foam box for temporary storage; then the leaching solution in other soil leaching solution collecting parts is collected; finally, the sample is taken back to the laboratory for detection.

[0036] The standard parts used in the application file can be purchased from the market, and can be ordered according to the description and drawings. The specific connection mode of each part adopts the conventional means of bolts, rivets and welding in the prior art. The mechanical, parts and equipment adopt the conventional type in the prior art. The control mode is automatically controlled by the controller. The control circuit of the controller can be realized by simple programming of the person skilled in the art. It is common knowledge in the art. And the utility model is mainly used to protect the mechanical device. Therefore, the control mode and circuit connection of the utility model will not be explained in detail, and the external controller mentioned in the description can control the electrical elements mentioned in this paper. Moreover, the external controller is a conventional known device.

[0037] It should be noted that in this paper, the terms "include", "contain" or any other variant thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0038] The principle and implementation mode of the utility model are described by applying specific examples. The above examples are only used to help understand the method and core idea of the utility model. The above is only the preferred embodiment of the utility model. It should be pointed out that due to the limited nature of the language expression, there are infinite specific structures. For ordinary skilled persons in the technical field, without departing from the principle of the utility model, some improvements, refinements or changes can be made, and the above technical features can be combined in an appropriate way. These improvements, changes or combinations, or without improvement, the concept and technical solution of the utility model are directly applied to other occasions, which should be regarded as the protection scope of the utility model.

Claims

1. A field in situ soil leaching solution collection device, characterized by: The solution collecting device comprises a shell (1), The shell (1) is internally provided with a plurality of soil leaching solution collecting units for collecting leaching solution at different soil depths to improve the accuracy of leaching solution detection results. Each soil leaching solution collecting unit comprises a plurality of independent soil leaching solution collecting parts for collecting leaching solution at different soil depths. The shell (1) is arranged underground, the leaching solution pipeline (2) of the soil leaching solution collecting part is matched with a suction filtration unit arranged on the ground, and the end of the suction filtration unit is connected with a leaching solution storage unit. Each soil leaching solution collecting part comprises a soil layer (3) arranged at the upper part of the inside, the lower part of the soil layer (3) is provided with an upper filter plate (4), the lower part of the upper filter plate (4) is provided with an intermediate filter layer, the lower part of the intermediate filter layer is provided with a lower filter plate (5), and the bottom of the lower filter plate (5) is a leaching solution collecting chamber (6). One side of the soil leaching solution collecting part is provided with a leaching solution pipeline (2) penetrating through the soil layer (3), the upper filter plate (4), the intermediate filter layer and the lower filter plate (5) and extending to the bottom of the leaching solution collecting chamber (6). The other side of the soil leaching solution collecting part is provided with a pipeline (7) penetrating through the soil layer (3), the upper filter plate (4), the intermediate filter layer and the lower filter plate (5), and the pipeline (7) is internally provided with a leaching solution float (8) capable of moving up and down. The suction filtration unit comprises a suction filtration pipeline (13), one end of the suction filtration pipeline (13) is provided with a rubber hose (14), the other end of the suction filtration pipeline (13) is connected with the leaching solution storage unit, and the middle part of the suction filtration pipeline (13) is provided with a foot pump (15). The leaching solution storage unit comprises a refrigeration and heat preservation chamber (16) and a leaching solution storage bottle (17) arranged in the refrigeration and heat preservation chamber (16).

2. An in-situ field soil leaching solution collection device according to claim 1, characterized in that: The leaching solution float (8) is provided with a scale capable of displaying the liquid level height in the leaching solution collecting chamber (6).

3. An in-situ field soil leaching solution collection device according to claim 1, characterized in that: The intermediate filter layer comprises a coarse filter sand layer (9) arranged at the upper part, the lower part of the coarse filter sand layer (9) is provided with a medium filter sand layer (10), the lower part of the medium filter sand layer (10) is provided with a fine filter sand layer (11), and the bottom of the fine filter sand layer (11) is provided with a filter screen (12).

4. An in-situ field soil leaching solution collection device according to claim 1, characterized in that: The pore size of the upper filter plate (4) is 1 mm, and the pore size of the lower filter plate (5) is 0.1 mm.

5. An in-situ field soil leaching solution collection device according to claim 1, characterized in that: The soil layers (3) of the plurality of soil leaching solution collecting parts in each soil leaching solution collecting unit are different in height.

6. An in-situ field soil leaching solution collection device according to claim 5, characterized in that: Each soil leaching solution collecting unit comprises four soil leaching solution collecting parts, the thickness of the soil layer (3) in the first soil leaching solution collecting part is 0-20 cm, the thickness of the soil layer (3) in the second soil leaching solution collecting part is 0-40 cm, the thickness of the soil layer (3) in the third soil leaching solution collecting part is 0-60 cm, and the thickness of the soil layer (3) in the fourth soil leaching solution collecting part is 0-80 cm.

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