Soil organic matter extraction device

Abstract

The present invention discloses a soil organic matter extraction device, comprising a base, an annular filter body (1), an annular shell, a sealing mechanism, a collection tank, and an extrusion mechanism. The base is provided with an annular shell and an annular filter body (1) located within the annular shell. An annular cavity is formed between the annular filter body (1) and the annular shell. A retractable sealing mechanism is provided within the annular cavity for sealing the outer circumference of the annular filter body (1). A collection tank is provided at the lower end of the base. The base is provided with several channels (1) for communicating the annular cavity with the collection tank. The extrusion mechanism is provided above the center of the annular filter body (1). Compared with the prior art, the device can save time, improve work efficiency, and reduce costs.

Description

Technical field

[0001] The present invention relates to the technical field of soil treatment, in particular to the technical field of a soil organic matter extraction device. [Background Technology]

[0002] Soil pollutants can be roughly divided into two categories: inorganic pollutants and organic pollutants. Inorganic pollutants mainly include acids, alkalis, heavy metals, salts, compounds of radioactive elements cesium and strontium, compounds containing arsenic, selenium, and fluorine, etc.; organic pollutants mainly include organic pesticides, phenols, cyanide, petroleum, synthetic detergents, 3,4-benzopyrene, and harmful microorganisms brought by urban sewage, sludge and manure; in order to detect pollutants in the soil, the inorganic and organic matter in the soil must be separated by separation equipment, and then the separated inorganic and organic matter are tested.

[0003] Existing soil organic matter separation equipment all operates under normal pressure, and the organic matter solution relies solely on gravity to fall and flow through the filtration device, which takes a long time and has low working efficiency. [Summary of the invention]

[0004] The purpose of the present invention is to solve the problems in the prior art and to provide a soil organic matter extraction device that can save time, improve work efficiency and reduce costs.

[0005] To achieve the above objectives, the present invention provides a soil organic matter extraction device, comprising a base, an annular filter body (1), an annular shell, a sealing mechanism, a collection tank, and an extrusion mechanism. The base is provided with an annular shell and an annular filter body (1) located within the annular shell. An annular cavity is formed between the annular filter body (1) and the annular shell. A retractable sealing mechanism is provided within the annular cavity for sealing the outer circumference of the annular filter body (1). The lower end of the base is provided with a collection tank. The base is provided with several channels (1) for connecting the annular cavity with the collection tank. The extrusion mechanism is provided above the center of the annular filter body (1).

[0006] Preferably, the closing mechanism includes an airbag I, an annular sliding body and several elastic stretch bands I, an airbag I is provided on the inner side of the upper end of the annular cavity, an annular sliding body is provided at the lower end of the airbag I, an elastic stretch band I located on the outer ring surface of the airbag I is provided between the annular sliding body and the upper end of the annular cavity, and an air inlet I connected to the airbag I is provided at the upper end of the annular cavity.

[0007] Preferably, the air inlet I is provided with an air pressure sensor I and a valve I.

[0008] Preferably, the annular filter body I includes a supporting mesh body and a filter cloth sleeve I arranged on the inner side of the supporting mesh body.

[0009] Preferably, a filter cartridge is further included, which is arranged on a base inside the annular filter body I, and a channel II communicating with the filter cartridge is provided on the base.

[0010] Preferably, the filter cylinder includes a supporting mesh cylinder, a filter cloth cover II, an airbag II, a sliding sealing body, a plurality of elastic stretch bands II and an air inlet II. The outer ring surface of the supporting mesh cylinder is provided with a filter cloth cover II, the upper end of the supporting mesh cylinder is provided with an airbag II, the lower end of the airbag II is provided with a sliding sealing body, the inner side surface of the airbag II is provided with an elastic stretch band II, and the upper end of the supporting mesh cylinder is provided with an air inlet II connected to the airbag II.

[0011] Preferably, the air inlet II is provided with an air pressure sensor II and a valve II.

[0012] Preferably, the extrusion mechanism includes several cylinders and extrusion bodies, the extrusion body is provided on the piston rod of the cylinder, the outer ring surface of the extrusion body is provided with a sealing layer I for sealing with the inner ring surface of the annular filter body I, the extrusion body is provided with a through hole for the filter cartridge to pass through, and the through hole is provided with a sealing layer II for sealing with the outer ring surface of the filter cartridge.

[0013] The beneficial effects of the present invention are as follows: the present invention squeezes the sample in the annular filter body I through an extrusion mechanism, thereby increasing the solid-liquid separation speed, thereby saving time and improving work efficiency; a retractable sealing mechanism is provided in the annular cavity for sealing the outer peripheral surface of the annular filter body I, preventing the solvent from leaking from the annular filter body I when the sample soil is mixed with the solvent, which requires the addition of more solvent, thereby reducing costs.

[0014] The filter cartridge further improves the solid-liquid separation efficiency.

[0015] The features and advantages of the present invention will be described in detail through embodiments with reference to the accompanying drawings.

Brief Description of the Drawings

[0016] Figure 1 It is a structural schematic diagram of a soil organic matter extraction device of the present invention.

[0017] In the figure: 1-base, 2-annular filter body I, 3-annular shell, 4-closing mechanism, 5-collecting tank, 6-extrusion mechanism, 7-annular cavity, 8-channel I, 9-filter cartridge, 10-channel II, 21-support mesh, 22-filter cloth sleeve I, 41-air bag I, 42-annular sliding body, 43-elastic stretch band I, 44-air inlet I, 45-air pressure sensor I, 46-valve I, 61-cylinder, 62-extrusion body, 63-sealing layer I, 64-through hole, 65-sealing layer II, 91-support mesh, 92-filter cloth sleeve II, 93-air bag II, 94-sliding sealing body, 95-elastic stretch band II, 96-air inlet II, 97-air pressure sensor II, 98-valve II. [Specific implementation method]

[0018] See Figure 1The present invention provides a soil organic matter extraction device, comprising a base 1, an annular filter body I2, an annular shell 3, a closing mechanism 4, a collecting tank 5 and an extrusion mechanism 6. The base 1 is provided with an annular shell 3 and an annular filter body I2 located in the annular shell 3. An annular cavity 7 is formed between the annular filter body I2 and the annular shell 3. A retractable closing mechanism 4 is provided in the annular cavity 7 for closing the outer peripheral surface of the annular filter body I2. The lower end of the base 1 is provided with a collecting tank 5. The base 1 is provided with a plurality of channels I8 for communicating the annular cavity 7 with the collecting tank 5. The extrusion mechanism 6 is provided on the annular filter body I 2, the closing mechanism 4 includes an airbag 141, an annular sliding body 42 and a plurality of elastic stretch bands 143. The airbag 141 is provided on the inner side of the upper end of the annular cavity 7, and the annular sliding body 42 is provided on the lower end of the airbag 141. An elastic stretch band 143 located on the outer ring surface of the airbag 141 is provided between the annular sliding body 42 and the upper end of the annular cavity 7. The upper end of the annular cavity 7 is provided with an air inlet 144 connected to the airbag 141, and an air pressure sensor 145 and a valve 146 are provided on the air inlet 144. The annular filter body 12 includes a supporting mesh body 21 and a support mesh body 21. The filter cloth sleeve I22 on the side also includes a filter cartridge 9, which is arranged on the base 1 in the annular filter body I2, and the base 1 is provided with a channel II10 connected to the filter cartridge 9, the filter cartridge 9 includes a supporting mesh cylinder 91, a filter cloth sleeve II92, an airbag II93, a sliding sealing body 94, a plurality of elastic stretch bands II95 and an air inlet II96, the outer ring surface of the supporting mesh cylinder 91 is provided with a filter cloth sleeve II92, the upper end of the supporting mesh cylinder 91 is provided with an airbag II93, the lower end of the airbag II93 is provided with a sliding sealing body 94, and the inner side surface of the airbag II93 is provided with an elastic Retractable belt II95, the upper end of the supporting mesh tube 91 is provided with an air inlet II96 connected to the airbag II93, and the air inlet II96 is provided with an air pressure sensor II97 and a valve II98. The extrusion mechanism 6 includes a plurality of cylinders 61 and an extrusion body 62. The piston rod of the cylinder 61 is provided with an extrusion body 62, and the outer ring surface of the extrusion body 62 is provided with a sealing layer I63 for sealing with the inner ring surface of the annular filter body I2. The extrusion body 62 is provided with a through hole 64 for the filter tube 9 to pass through, and the through hole 64 is provided with a sealing layer II65 for sealing with the outer ring surface of the filter tube 9.

[0019] Working process of the present invention:

[0020] During operation of a soil organic matter extraction device according to the present invention, sample soil and solvent are added to the annular filter body I2 and stirred for a certain period of time, and then valve I46 and valve II98 are opened to exhaust. At this time, under the action of the elastic stretch band I43, the annular sliding body 42 rises and drives the airbag I41 to contract, thereby releasing the seal on the annular filter body I2. The airbag II93 contracts under the action of the elastic stretch band II95 and drives the sliding sealing body 94 to move upward, thereby releasing the seal on the filter cartridge 9. Then, the piston rod of the cylinder 61 is started to extend and drive the extrusion body 62 to press down the sample in the annular filter body I2, forcing the organic solution to pass through the annular filter body I2 and the filter cartridge 9, and finally enter the collection tank 5 through the channel I8 and the channel II10 respectively, and finally be discharged from the liquid outlet of the collection tank 5.

[0021] When the annular filter body I2 and the filter cartridge 9 are closed, the compressed gas enters the airbag I41 and the airbag II93 through the air inlet I and the air inlet II96 respectively. The airbag I41 and the airbag II93 stretch under the action of air pressure and drive the annular sliding body 42 and the sliding sealing body 94 to move downward to close the channel I8 and the channel II10. The airbag I41 and the airbag II93 close the annular filter body I2 and the filter cartridge 9 respectively. When the air pressure sensor I45 and the air pressure sensor II97 reach a certain pressure value, the valve I46 and the valve II98 are closed and the air supply is stopped.

[0022] The above embodiments are intended to illustrate the present invention, not to limit the present invention. Any solution that is a simple transformation of the present invention falls within the protection scope of the present invention.

Claims

1. A soil organic matter extraction device, characterized in that: The invention comprises a base (1), an annular filter body I (2), an annular shell (3), a closing mechanism (4), a collecting groove (5) and an extrusion mechanism (6), wherein the base (1) is provided with an annular shell (3) and an annular filter body I (2) located in the annular shell (3), an annular cavity (7) is formed between the annular filter body I (2) and the annular shell (3), a retractable closing mechanism (4) is provided in the annular cavity (7) for closing the outer peripheral surface of the annular filter body I (2), a collecting groove (5) is provided at the lower end of the base (1), and a plurality of channels I (8) are provided on the base (1) for connecting the annular cavity (7) with the collecting groove (5). The collecting groove (5) is connected, the extrusion mechanism (6) is arranged above the middle of the annular filter body I (2), the closing mechanism (4) includes an airbag I (41), an annular sliding body (42) and a plurality of elastic stretch bands I (43), the airbag I (41) is provided on the inner side of the upper end of the annular cavity (7), the annular sliding body (42) is provided at the lower end of the airbag I (41), an elastic stretch band I (43) located on the outer ring surface of the airbag I (41) is provided between the annular sliding body (42) and the upper end of the annular cavity (7), and the upper end of the annular cavity (7) is provided with an air inlet I (44) connected to the airbag I (41).

2. The soil organic matter extraction device according to claim 1, characterized in that: The air inlet I (44) is provided with an air pressure sensor I (45) and a valve I (46).

3. The soil organic matter extraction device according to claim 1, characterized in that: The annular filter body I (2) comprises a supporting mesh body (21) and a filter cloth sleeve I (22) arranged inside the supporting mesh body (21).

4. The soil organic matter extraction device according to claim 1, characterized in that: It also includes a filter cartridge (9), which is arranged on a base (1) inside the annular filter body I (2), and a channel II (10) communicating with the filter cartridge (9) is provided on the base (1).

5. The soil organic matter extraction device according to claim 4, characterized in that: The filter cylinder (9) comprises a supporting mesh cylinder (91), a filter cloth sleeve II (92), an airbag II (93), a sliding sealing body (94), a plurality of elastic stretch bands II (95) and an air inlet II (96). The outer ring surface of the supporting mesh cylinder (91) is provided with a filter cloth sleeve II (92), the upper end of the supporting mesh cylinder (91) is provided with an airbag II (93), the lower end of the airbag II (93) is provided with a sliding sealing body (94), the inner side surface of the airbag II (93) is provided with an elastic stretch band II (95), and the upper end of the supporting mesh cylinder (91) is provided with an air inlet II (96) connected to the airbag II (93).

6. The soil organic matter extraction device according to claim 5, characterized in that: The air inlet II (96) is provided with an air pressure sensor II (97) and a valve II (98).

7. A soil organic matter extraction device according to any one of claims 1 to 6, characterized in that: The extrusion mechanism (6) comprises a plurality of cylinders (61) and an extrusion body (62). The piston rod of the cylinder (61) is provided with an extrusion body (62). The outer ring surface of the extrusion body (62) is provided with a sealing layer I (63) for sealing with the inner ring surface of the annular filter body I (2). The extrusion body (62) is provided with a through hole (64) for the filter cartridge (9) to pass through. The through hole (64) is provided with a sealing layer II (65) for sealing with the outer ring surface of the filter cartridge (9).

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