Device for extracting and separating organic carbon components with different forms in soil

Abstract

The utility model discloses a device for extracting and separating different forms of organic carbon components in soil, which comprises an oscillation platform, a vibration frame is mounted on the surface of the oscillation platform, two vertically arranged screw rod lifting modules are mounted in the vibration frame, and the circumferential side surfaces of the two screw rod lifting modules are respectively in transmission connection with an upper moving frame and a lower moving frame. An extraction barrel is rotatably connected to the inner wall of the upward moving frame, a stirring module is mounted on the inner wall of the extraction barrel, a transmission module in transmission connection with the stirring module is mounted on the surface of the vibration frame, a clear liquid barrel is slidably connected to the inner wall of the extraction barrel, a supernatant drainage assembly is mounted in the clear liquid barrel, and the clear liquid barrel is rotatably connected with the downward moving frame; the inner wall of the clear liquid cylinder is slidably connected with a precipitation cylinder, the precipitation cylinder is rotatably connected with the vibration frame, the extraction cylinder, the clear liquid cylinder and the precipitation cylinder synchronously rotate, a group of electrical bars are arranged in the precipitation cylinder, the bottom end of the precipitation cylinder is communicated with a discharge valve, and a group of liquid injection assemblies are mounted on the surface of the vibration frame.

Description

Technical Field

[0001] The utility model relates to the technical field of extraction and separation devices, in particular to a device for extracting and separating organic carbon components in different forms in soil. Background Art

[0002] Soil organic carbon in the soil medium can be regarded as a relatively independent natural body on the one hand, and on the other hand it combines with inorganic oxygen-containing substances to form an organic-inorganic combination, which makes it difficult to study soil organic carbon oxygen isotopes. In the prior art, a patent document with publication number CN107831060A discloses a soil organic carbon and its enrichment and extraction method, which comprises the following steps: adding a mixed solution of hydrogen fluoride and hydrogen chloride to the soil to be treated, removing the supernatant after oscillation and centrifugation, extracting the precipitate, adding a mixed solution of hydrogen fluoride and hydrogen chloride to the precipitate, removing the supernatant after oscillation and centrifugation again, extracting the precipitate again, repeating the above steps many times, and finally drying the precipitate at a temperature of 40°C-50°C to obtain soil organic carbon material, wherein the volume percentage concentration of the mixed solution is 10%-40%, but the equipment efficiency used to realize the above organic carbon extraction process in the prior art is low. Based on this, the utility model provides a device for extracting and separating organic carbon components of different forms in soil to solve the technical problems raised in the above background technology. Utility Model Content

[0003] To this end, the utility model provides a device for extracting and separating organic carbon components of different forms in soil to solve the above-mentioned problems in the prior art.

[0004] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a device for extracting and separating organic carbon components of different forms in soil, comprising an oscillating platform, a oscillating frame is installed on the surface of the oscillating platform, two vertically arranged screw lifting modules are installed inside the oscillating frame, the peripheral sides of the two screw lifting modules are respectively connected with an upper moving frame and a lower moving frame in a transmission manner, the inner wall of the upper moving frame is rotatably connected with an extraction cylinder, the inner wall of the extraction cylinder is installed with a stirring module, the surface of the oscillating frame is installed with a transmission module connected with the stirring module in a transmission manner, the inner wall of the extraction cylinder is slidably connected with a clear liquid cylinder, the inner wall of the clear liquid cylinder is installed with a clear liquid drainage component, the clear liquid cylinder is rotatably connected to the lower moving frame, the inner wall of the clear liquid cylinder is slidably connected with a sedimentation cylinder, the sedimentation cylinder is rotatably connected to the oscillating frame, the extraction cylinder, the clear liquid cylinder and the sedimentation cylinder rotate synchronously, a group of electric heating rods are built-in in the sedimentation cylinder, the bottom end of the sedimentation cylinder is connected with a discharge valve, and a group of liquid injection components are installed on the surface of the oscillating frame.

[0005] As a preferred technical solution, the oscillation platform includes a base, a group of elastic buffers are installed between the base and the opposite surface of the vibration frame, and a vibration motor is installed at the bottom of the vibration frame.

[0006] As a preferred technical solution, the stirring module includes a transmission frame fixed to the inner wall of the extraction cylinder, a transmission shaft is fixedly installed on the top surface of the transmission frame, the inner wall of the transmission shaft is rotatably connected to a stirring shaft, a group of regularly distributed scrapers that cooperate with the sedimentation cylinder are installed at the bottom of the stirring shaft, the inner wall of the upper moving frame is rotatably connected to a differential bevel gear, the upper parts of the transmission shaft and the stirring shaft are fixedly installed with driven bevel gears, the two driven bevel gears are driven by the differential bevel gears, and the two driven bevel gears are respectively arranged on both sides of the differential bevel gears.

[0007] As a preferred technical solution, the transmission module includes a servo motor fixed to the top surface of the vibration frame, a driving shaft is fixedly installed on the output shaft end of the servo motor, an axis groove with a top opening fixedly opened inside the stirring shaft and slidingly connected to the driving shaft, and the cross-sections of the driving shaft and the axis groove are both regular polygons.

[0008] As a preferred technical solution, the supernatant drainage assembly includes a drainage cavity opened on the inner wall of the clear liquid barrel, and a group of drainage holes distributed in a circular array and connected to the drainage cavity are opened on the inner upper part of the clear liquid barrel, the axis of the drainage hole is perpendicular to the axis of the clear liquid barrel, and the bottom of the drainage cavity is fixedly connected to a sewage valve.

[0009] As a preferred technical solution, a group of guide grooves are provided inside the extraction cylinder, and a transmission guide bar slidably connected to the guide groove is installed in the position of each guide groove in the clear liquid cylinder.

[0010] As a preferred technical solution, a group of T-shaped guide rods are installed on the bottom surface of the sedimentation cylinder, and the peripheral side surface of each of the T-shaped guide rods is slidably connected to the clear liquid cylinder.

[0011] As a preferred technical solution, the injection assembly includes a liquid storage cylinder fixedly connected to the vibration frame, the bottom surface of the liquid storage cylinder is connected to a pump body, the liquid outlet end of the pump body is connected to an injection pipe, the top end of the liquid storage cylinder is connected to an injection valve, and a mixed solution of hydrogen fluoride and hydrogen chloride is stored inside the liquid storage cylinder.

[0012] The beneficial effects of the utility model are:

[0013] When the device is working, it can complete the oscillation, centrifugation, supernatant drainage and sediment separation operations during the extraction and separation of organic carbon in the soil. Through the integration of the above functions, the device can efficiently complete the extraction and separation of organic carbon components in different forms in the soil. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the implementation or the prior art description. Obviously, the drawings in the following description are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.

[0015] The structures, proportions, sizes, etc. illustrated in this specification are only used to match the contents disclosed in the specification so as to facilitate understanding and reading by persons familiar with the technology. They are not used to limit the conditions under which the present invention can be implemented, and therefore have no substantial technical significance. Any structural modification, change in proportion or adjustment of size shall still fall within the scope of the technical contents disclosed in the present invention without affecting the effects and purposes that can be achieved by the present invention.

[0016] Figure 1 A stereoscopic diagram of a device for extracting and separating organic carbon components of different forms in soil provided in some embodiments of the utility model.

[0017] Figure 2 For this utility model Figure 1 Schematic diagram of the cross-sectional structure.

[0018] Figure 3 For this utility model Figure 2 Schematic diagram of the local enlarged structure at point A in the middle.

[0019] Figure 4 For this utility model Figure 2 A schematic diagram of the local enlarged structure at B in the middle;

[0020] Figure 5 It is a structural schematic diagram of the liquid clearing cylinder and the drainage hole of the utility model.

[0021] In the figure: 1. vibration frame, 2. screw lifting module, 3. upper moving frame, 4. lower moving frame, 5. extraction cylinder, 6. clear liquid cylinder, 7. sedimentation cylinder, 8. electric heating rod, 9. discharge valve, 10. oscillation platform, 11. transmission frame, 12. transmission shaft, 13. stirring shaft, 14. scraper, 15. differential bevel gear, 16. servo motor, 17. driving shaft, 18. drainage chamber, 19. drainage hole, 20. drain valve, 21. T-shaped guide rod, 22. liquid storage cylinder. DETAILED DESCRIPTION

[0022] The following is a specific embodiment of the present invention. People familiar with the technology can easily understand the other advantages and functions of the present invention from the contents disclosed in this specification. Obviously, the described embodiment is a part of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0023] Example

[0024] like Figures 1 to 5 As shown, a device for extracting and separating organic carbon components of different forms in soil in the first aspect of the utility model comprises an oscillating platform 10, and a vibration frame 1 is installed on the surface of the oscillating platform 10;

[0025] The oscillation platform 10 includes a base, a group of elastic buffers are installed between the base and the opposite surface of the vibration frame 1, and a vibration motor is installed at the bottom of the vibration frame 1;

[0026] By setting the oscillating platform 10, the organic carbon components in the soil can be extracted by oscillation;

[0027] Two vertically arranged screw lifting modules 2 are installed inside the vibration frame 1, and the peripheral sides of the two screw lifting modules 2 are respectively connected to the upper frame 3 and the lower frame 4 in a transmission manner. The inner wall of the upper frame 3 is rotatably connected to the extraction cylinder 5, and the inner wall of the extraction cylinder 5 is installed with a stirring module. The surface of the vibration frame 1 is installed with a transmission module connected to the stirring module in a transmission manner;

[0028] The stirring module includes a transmission frame 11 fixed to the inner wall of the extraction cylinder 5, a transmission shaft 12 is fixedly installed on the top surface of the transmission frame 11, a stirring shaft 13 is rotatably connected to the inner wall of the transmission shaft 12, a group of regularly distributed scrapers 14 that cooperate with the sedimentation cylinder 7 are installed at the bottom of the stirring shaft 13, a differential bevel gear 15 is rotatably connected to the inner wall of the upper moving frame 3, driven bevel gears are fixedly installed on the upper parts of the transmission shaft 12 and the stirring shaft 13, the two driven bevel gears are driven by the differential bevel gear 15, and the two driven bevel gears are respectively arranged on both sides of the differential bevel gear 15.

[0029] By setting the positions of the driven bevel gear and the differential bevel gear 15, the rotation directions of the transmission shaft 12 and the stirring shaft 13 are opposite;

[0030] The transmission module includes a servo motor 16 fixed to the top surface of the vibration frame 1, and a driving shaft 17 is fixedly installed on the output shaft end of the servo motor 16. The interior of the stirring shaft 13 is fixed with a shaft groove with a top opening and slidingly connected to the driving shaft 17. The cross-sections of the driving shaft 17 and the shaft groove are both regular polygons.

[0031] By setting the regular polygonal cross section of the active shaft 17 and the shaft groove, the active shaft 17 can continuously drive the stirring shaft 13 and the extraction cylinder 5 when the stirring shaft 13 and the extraction cylinder 5 move up and down;

[0032] The inner wall of the extraction cylinder 5 is slidably connected with a clear liquid cylinder 6, a group of guide grooves are provided inside the extraction cylinder 5, and a transmission guide bar slidably connected with the guide groove is installed at the position corresponding to each guide groove of the clear liquid cylinder 6, a supernatant drainage assembly is installed inside the clear liquid cylinder 6, and the clear liquid cylinder 6 is rotatably connected with the lower moving frame 4;

[0033] The supernatant drainage assembly includes a drainage cavity 18 formed on the inner wall of the clear liquid cylinder 6. A group of drainage holes 19 distributed in a circumferential array and connected to the drainage cavity 18 are formed on the inner upper part of the clear liquid cylinder 6. The axis of the drainage hole 19 is perpendicular to the axis of the clear liquid cylinder 6. The bottom of the drainage cavity 18 is fixedly connected to a drain valve 20.

[0034] The inner wall of the clear liquid cylinder 6 is slidably connected with the sedimentation cylinder 7, and a group of T-shaped guide rods 21 are installed on the bottom surface of the sedimentation cylinder 7, and the peripheral side surface of each T-shaped guide rod 21 is slidably connected with the clear liquid cylinder 6;

[0035] The sedimentation cylinder 7 is rotatably connected to the vibration frame 1, and the extraction cylinder 5, the clear liquid cylinder 6 and the sedimentation cylinder 7 rotate synchronously. A group of electric heating rods 8 are built into the sedimentation cylinder 7. The bottom end of the sedimentation cylinder 7 is connected to a discharge valve 9, and a group of liquid injection components are installed on the surface of the vibration frame 1.

[0036] The liquid injection assembly includes a liquid storage cylinder 22 fixedly connected to the vibration frame 1, the bottom surface of the liquid storage cylinder 22 is connected to a pump body, the liquid outlet end of the pump body is connected to a liquid injection pipe, the top end of the liquid storage cylinder 22 is connected to a liquid injection valve, and the liquid storage cylinder 22 stores a mixed solution of hydrogen fluoride and hydrogen chloride;

[0037] When in use, the concentration of the mixed solution of hydrogen fluoride and hydrogen chloride in each injection component is different.

[0038] Before using the device, the drainage hole 19 is arranged above the sedimentation cylinder 7 and maintains a set distance difference with the sedimentation cylinder 7. Before extraction, the soil to be extracted is added to the sedimentation cylinder 7 and the clear liquid cylinder 6. During extraction, a first mixed solution of hydrogen fluoride and hydrogen chloride is added to the soil to be treated, and the supernatant is removed after oscillation and centrifugation, and the sediment in the sedimentation cylinder 7 is retained. After repeating this step 3-4 times, a first sediment is obtained, and the volume percentage concentration of the first mixed solution is 10%;

[0039] Adding a second mixed solution of hydrogen fluoride and hydrogen chloride to the first precipitate, shaking and centrifuging, removing the supernatant, repeating this step 3-4 times to obtain a second precipitate, wherein the volume percentage concentration of the second mixed solution is 20%;

[0040] Adding a third mixed solution of hydrogen fluoride and hydrogen chloride to the second precipitate, shaking and centrifuging, removing the supernatant, repeating this step multiple times to obtain a third precipitate, wherein the volume percentage concentration of the third mixed solution is 40%;

[0041] Drying the third precipitate at a temperature of 40°C to 50°C to obtain a dried product, removing inorganic minerals remaining on the dried product, and obtaining primary soil organic carbon;

[0042] adding a fourth mixed solution of hydrogen fluoride and hydrogen chloride to the initial soil organic carbon, removing the supernatant after shaking and centrifugation, repeating this step 2-3 times to obtain a fourth precipitate, wherein the volume percentage concentration of the fourth mixed solution is 40%;

[0043] Add water to the fourth precipitate, shake and centrifuge, remove the supernatant, repeat this step 2-3 times to obtain the fifth precipitate, and dry the fifth precipitate at a temperature of 40°C-50°C to obtain soil organic carbon matter.

[0044] The technical effect achieved by the above embodiment is: when the device is working, it can complete the oscillation, centrifugation, supernatant drainage and sediment separation operations during the extraction and separation of organic carbon in the soil in an integrated manner. Through the integration of the above functions, the device can efficiently complete the extraction and separation of organic carbon components in different forms in the soil.

[0045] Although the utility model has been described in detail above with general descriptions and specific embodiments, it is obvious to those skilled in the art that some modifications or improvements can be made to the utility model. Therefore, these modifications or improvements made without departing from the spirit of the utility model are within the scope of protection claimed by the utility model.

[0046] The terms such as "upper", "lower", "left", "right", "middle", etc. cited in this specification are only for the convenience of description and are not used to limit the scope of implementation of the present invention. Changes or adjustments to their relative relationships should be regarded as the scope of implementation of the present invention without substantially changing the technical content.

Claims

1. A device for extracting and separating organic carbon components of different forms in soil, comprising an oscillating platform (10), a oscillating frame (1) being mounted on the surface of the oscillating platform (10), characterized in that: Two vertically arranged screw lifting modules (2) are installed inside the vibration frame (1); the peripheral side surfaces of the two screw lifting modules (2) are respectively connected to an upper moving frame (3) and a lower moving frame (4); the inner wall of the upper moving frame (3) is rotatably connected to an extraction cylinder (5); the inner wall of the extraction cylinder (5) is installed with a stirring module; the surface of the vibration frame (1) is installed with a transmission module connected to the stirring module; the inner wall of the extraction cylinder (5) is slidably connected to a clear liquid cylinder (6); the clear liquid cylinder (6) ) is installed with a supernatant drainage component inside, the clear liquid cylinder (6) is rotatably connected to the lower frame (4), the inner wall of the clear liquid cylinder (6) is slidably connected with a sedimentation cylinder (7), the sedimentation cylinder (7) is rotatably connected to the vibration frame (1), the extraction cylinder (5), the clear liquid cylinder (6) and the sedimentation cylinder (7) rotate synchronously, a group of electric heating rods (8) are built into the sedimentation cylinder (7), the bottom end of the sedimentation cylinder (7) is connected to a discharge valve (9), and a group of liquid injection components are installed on the surface of the vibration frame (1).

2. The device for extracting and separating organic carbon components of different forms in soil according to claim 1, characterized in that: The oscillation platform (10) comprises a base, a group of elastic buffers are installed between the base and the opposite surface of the vibration frame (1), and a vibration motor is installed at the bottom of the vibration frame (1).

3. The device for extracting and separating organic carbon components of different forms in soil according to claim 2, characterized in that: The stirring module comprises a transmission frame (11) fixed to the inner wall of the extraction cylinder (5), a transmission shaft (12) being fixedly mounted on the top surface of the transmission frame (11), a stirring shaft (13) being rotatably connected to the inner wall of the transmission shaft (12), a group of regularly distributed scrapers (14) being mounted at the bottom of the stirring shaft (13) and cooperating with the sedimentation cylinder (7), a differential bevel gear (15) being rotatably connected to the inner wall of the upper moving frame (3), driven bevel gears being fixedly mounted on the upper parts of the transmission shaft (12) and the stirring shaft (13), two driven bevel gears being driven by the differential bevel gear (15), and two driven bevel gears being respectively arranged on both sides of the differential bevel gear (15).

4. The device for extracting and separating organic carbon components of different forms in soil according to claim 3, characterized in that: The transmission module comprises a servo motor (16) fixed to the top surface of the vibration frame (1), a driving shaft (17) is fixedly mounted on the output shaft end of the servo motor (16), a shaft groove with a top opening fixedly opened inside the stirring shaft (13) and slidably connected to the driving shaft (17), and the cross-sections of the driving shaft (17) and the shaft groove are both regular polygons.

5. The device for extracting and separating organic carbon components of different forms in soil according to claim 4, characterized in that: The supernatant drainage assembly comprises a drainage cavity (18) formed on the inner wall of a clear liquid cylinder (6); a group of drainage holes (19) distributed in a circumferential array and connected to the drainage cavity (18) are formed on the inner upper part of the clear liquid cylinder (6); the axes of the drainage holes (19) are perpendicular to the axis of the clear liquid cylinder (6); and a sewage valve (20) is fixedly connected to the bottom of the drainage cavity (18).

6. The device for extracting and separating organic carbon components of different forms in soil according to claim 5, characterized in that: A group of guide grooves are provided inside the extraction cylinder (5), and a transmission guide bar slidably connected to the guide groove is installed at a position corresponding to each guide groove in the clear liquid cylinder (6).

7. The device for extracting and separating organic carbon components of different forms in soil according to claim 6, characterized in that: A group of T-shaped guide rods (21) are installed on the bottom surface of the sedimentation cylinder (7), and the peripheral side surface of each T-shaped guide rod (21) is slidably connected to the clear liquid cylinder (6).

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