Device capable of simultaneously separating biochar and micro-plastic from soil

Abstract

The utility model discloses a device capable of simultaneously separating charcoal and microplastics from soil, which comprises a frame body, a separating tank and a lifting barrel which are connected with each other are arranged on the inner wall of the frame body, a blanking pipe is communicated between the opposite surfaces of the separating tank and the lifting barrel, the upper part of the lifting barrel is fixedly communicated with a return pipe communicated with the separating tank, and the return pipe is communicated with the lifting barrel. A transmission module is mounted on the separation tank, the transmission module is in transmission connection with an inner grinding roller and an outer grinding cylinder, the outer grinding cylinder is rotationally connected with the separation tank, the inner grinding roller and the outer grinding cylinder coaxially and reversely rotate at differential speed, and an annular grinding gap is formed between the opposite surfaces of the inner grinding roller and the outer grinding cylinder. The magnetic biochar and micro-plastic separating device has the advantages that magnetic biochar and micro-plastic can be separated from soil at the same time, when the magnetic biochar and micro-plastic separating device works, firstly, sufficient magnetic adsorption assisting liquid is injected into the separating tank, soil to be separated is injected into the separating tank, and during separation, the servo motor outputs the rotating speed at set power, so that the magnetic biochar and the micro-plastic are separated at the same time. And the spiral magnetic sheet is electrified and generates magnetism.

Description

Technical Field

[0001] The utility model relates to the technical field of separation devices, in particular to a device capable of simultaneously separating biochar and microplastics from soil. Background Art

[0002] The equipment for separating biochar from soil used in the prior art has a structure as shown in a device for extracting magnetic biochar from soil in the patent publication CN113751194A. Although the device can separate biochar from soil, in addition to biochar, the soil also contains other substances that need to be separated, such as microplastics. Based on this, the present invention provides a device that can simultaneously separate biochar and microplastics from 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 that can simultaneously separate biochar and microplastics from 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 solutions: a device that can simultaneously separate biochar and microplastics from soil, comprising a frame, the inner wall of the frame is equipped with a separation tank and a lifting barrel that are connected to each other, a feeding pipe is connected between the relative surfaces of the separation tank and the lifting barrel, and a return pipe that is connected to the separation tank is fixedly connected on the upper part of the lifting barrel, a transmission module is installed on the separation tank, and the transmission module is respectively connected to an inner roller and an outer roller, the outer roller is rotatably connected to the separation tank, the inner roller and the outer roller rotate coaxially and at a differential speed in opposite directions, an annular grinding gap is provided between the relative surfaces of the inner roller and the outer roller, the inner wall of the lifting barrel is rotatably connected to a magnetic shaft driven by the transmission module, a spiral magnetic sheet is fixedly installed on the circumferential side of the magnetic shaft, a liquid-aiding supply component for delivering liquid to the separation tank is installed on the surface of the frame, and a pumping mechanism for circulating pumping liquid into the lifting barrel is installed on the surface of the lifting barrel.

[0005] As an optimal technical solution of the utility model, the transmission module comprises a servo motor fixed to the top of the separation tank, an outer shaft rotatably connected to the separation tank, the inner wall of the outer shaft is rotatably connected with the inner shaft, the outer shaft is fixedly connected to the inner roller, the inner shaft is fixedly connected to the outer roller through a three-claw connecting frame, the upper parts of the outer shaft and the inner shaft are fixedly installed with a first driven bevel gear, the output shaft end of the servo motor is installed with an active bevel gear, the bevel tooth surface of the active bevel gear is respectively connected to the two first driven bevel gears for transmission, the upper part of the separation tank is rotatably connected with a differential shaft, the left end of the differential shaft is fixedly installed with a first differential bevel gear, the bevel tooth surface of the first differential bevel gear is connected to the two first driven bevel gears for transmission, the right end of the differential shaft is fixedly installed with a second differential bevel gear, and the top end of the magnetic shaft is fixedly installed with a second driven bevel gear meshing with the second differential bevel gear.

[0006] As a preferred technical solution of the utility model, two first driven bevel teeth are respectively arranged on both sides of the driving bevel tooth.

[0007] As a preferred technical solution of the utility model, a single chip microcomputer is installed on the surface of the frame, a group of electric heating rods are installed inside the inner roller and the outer roller, and the bottom end of the lifting cylinder is connected to a discharge valve.

[0008] As a preferred technical solution of the utility model, a current controller electrically connected to the magnetic shaft is installed on the top of the lifting cylinder, and the magnetic shaft and the spiral magnetic sheet are both electromagnets.

[0009] As a preferred technical solution of the utility model, the auxiliary liquid supply assembly includes a liquid storage tank fixed to the surface of the frame, the interior of the liquid storage tank stores magnetically adsorbed auxiliary liquid, the side of the liquid storage tank is connected to a first pump body, and the liquid outlet port of the first pump body is connected to a liquid delivery pipe for delivering liquid to the separation tank.

[0010] As a preferred technical solution of the utility model, the liquid pumping mechanism includes a second pump body fixed to the peripheral side of the lifting barrel, the liquid inlet port of the second pump body is connected to the inner cavity of the lifting barrel, the liquid outlet port of the second pump body is fixedly connected to a circulation pipe, a liquid distribution channel is fixedly opened inside the magnetic shaft, the liquid outlet port of the circulation pipe is rotatably connected to the liquid distribution channel, and a plurality of groups of regularly distributed liquid distribution holes connected to the liquid distribution channel are opened in the magnetic shaft.

[0011] The beneficial effects of the utility model are:

[0012] The utility model can simultaneously separate magnetic biochar and microplastics from soil. When the device is working, a sufficient amount of magnetic adsorption auxiliary liquid is first injected into the separation tank, and the soil to be separated is injected into the interior of the separation tank. During separation, the servo motor outputs a speed at a set power, and the spiral magnetic sheet is energized and generates magnetism. The spiral magnetic sheet lifts the material upward, and the second pump body circulates to send liquid into the lifting barrel. The soil to be separated is sent to the inner roller and the outer roller for grinding and refinement. The refined particles flow into the lifting area of ​​the spiral magnetic sheet. When the particles flow through the lifting area of ​​the spiral magnetic sheet, the biochar and Microplastics are adsorbed by the spiral magnetic sheet. After the particles are separated for a specified time, the electric heating rod boils and vaporizes the solution in the separation tank and the lifting barrel, thereby reducing the water content in the separation tank and the lifting barrel. After the electric heating rod works for a specified time, the spiral magnetic sheet remains energized, and a receiving container for soil material is installed at the lower end of the discharge valve. The spiral magnetic sheet feeds material downward when energized, and then discharges the separated soil. After the soil is discharged, a receiving container for separation material is installed at the lower end of the discharge valve, and the spiral magnetic sheet feeds material downward when powered off, and then discharges the separated microplastics and biochar. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] 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.

[0014] 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.

[0015] Figure 1 A three-dimensional diagram of a device capable of simultaneously separating biochar and microplastics from soil provided in some embodiments of the utility model;

[0016] Figure 2 for Figure 1 A schematic diagram of the local enlarged structure at point A in the middle;

[0017] Figure 3 for Figure 1 A schematic diagram of the cross-sectional structure of;

[0018] Figure 4 for Figure 3A schematic diagram of the local enlarged structure at B in the middle;

[0019] Figure 5 for Figure 3 Schematic diagram of the local enlarged structure at point C in the middle.

[0020] In the figure: 1, frame, 2, separation tank, 3, lifting cylinder, 4, discharge pipe, 5, inner roller, 6, outer roller, 7, spiral magnetic sheet, 8, servo motor, 9, outer shaft, 10, inner shaft, 11, differential shaft, 12, electric heating rod, 13, discharge valve, 14, current controller, 15, first pump body, 16, liquid delivery pipe, 17, second pump body, 18, circulation pipe, 19, liquid distribution hole, 20, liquid storage tank, 21, magnetic shaft, 22, return pipe. DETAILED DESCRIPTION

[0021] 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.

[0022] Example

[0023] like Figures 1 to 5 As shown, a device for separating biochar and microplastics from soil at the same time in the embodiment of the first aspect of the utility model comprises a frame 1, a single chip microcomputer is mounted on the surface of the frame 1, a separation tank 2 and a lifting cylinder 3 connected to each other are mounted on the inner wall of the frame 1, a discharge valve 13 is connected to the bottom end of the lifting cylinder 3, and a single chip microcomputer is mounted on the surface of the frame 1;

[0024] A feeding pipe 4 is connected between the separation tank 2 and the relative surfaces of the lifting cylinder 3. A return pipe 22 connected to the separation tank 2 is fixedly connected to the upper part of the lifting cylinder 3. A transmission module is installed on the separation tank 2. The transmission module is respectively connected to the inner roller 5 and the outer roller 6. The outer roller 6 is connected to the separation tank 2 in rotation. The inner roller 5 and the outer roller 6 rotate in opposite directions at a coaxial differential speed. An annular grinding gap is provided between the relative surfaces of the inner roller 5 and the outer roller 6. The inner wall of the lifting cylinder 3 is connected to the magnetic shaft 21 driven by the transmission module in rotation.

[0025] The transmission module includes a servo motor 8 fixed to the top of the separation tank 2, an outer shaft 9 rotatably connected to the separation tank 2, an inner shaft 10 rotatably connected to the inner wall of the outer shaft 9, the outer shaft 9 is fixedly connected to the inner roller 5, and the inner shaft 10 is fixedly connected to the outer roller 6 through a three-claw connecting frame. The upper parts of the outer shaft 9 and the inner shaft 10 are fixedly installed with first driven bevel gears, and the output shaft end of the servo motor 8 is installed with active bevel gears, and the bevel tooth surfaces of the active bevel gears are respectively connected to the two first driven bevel gears in transmission, and the two first driven bevel gears are respectively arranged on both sides of the active bevel gear;

[0026] By setting the two first driven bevel teeth and the active bevel teeth, the inner roller 5 and the outer roller 6 are in a coaxial differential reverse rotation state. By setting the coaxial differential reverse rotation state of the inner roller 5 and the outer roller 6, the inner roller 5 and the outer roller 6 can efficiently complete the fine grinding operation of the soil.

[0027] A set of electric heating rods 12 are installed inside the inner roller 5 and the outer roller 6;

[0028] By setting the electric heating rod 12, the inner roller 5 and the outer roller 6 can maintain a constant temperature when grinding the material, thereby effectively improving the dryness of the soil material, and then helping to improve the refinement of the soil material;

[0029] The upper part of the separation tank 2 is rotatably connected to the differential shaft 11, the left end of the differential shaft 11 is fixedly installed with a first differential bevel gear, the bevel tooth surface of the first differential bevel gear is transmission-connected with two first driven bevel gears, the right end of the differential shaft 11 is fixedly installed with a second differential bevel gear, and the top end of the magnetic shaft 21 is fixedly installed with a second driven bevel gear meshing with the second differential bevel gear.

[0030] The spiral magnetic sheet 7 is fixedly mounted on the peripheral side of the magnetic axis 21;

[0031] A current controller 14 electrically connected to the magnetic shaft 21 is installed on the top of the lifting cylinder 3. The magnetic shaft 21 and the spiral magnetic sheet 7 are both electromagnets.

[0032] The current controller 14 is set to control the on / off of the magnetic axis 21 and the spiral magnetic sheet 7. The spiral magnetic sheet 7 generates magnetism when it is energized and loses magnetism when it is de-energized.

[0033] A liquid supply assembly for delivering liquid to the separation tank 2 is installed on the surface of the frame 1 , and a liquid pumping mechanism for circulating pump liquid into the material lifting cylinder 3 is installed on the surface of the material lifting cylinder 3 .

[0034] The auxiliary liquid supply component includes a liquid storage tank 20 fixed on the surface of the frame 1, and the liquid storage tank 20 stores magnetically adsorbed auxiliary liquid inside. The side of the liquid storage tank 20 is connected to the first pump body 15, and the liquid outlet port of the first pump body 15 is connected to the liquid delivery pipe 16 for delivering liquid to the separation tank 2.

[0035] The magnetic adsorption liquid aid is a kind of amphiphilic magnetic particle with a unilateral flower-like structure obtained by using magnetic microspheres as raw materials through the directional control of Pickering emulsion and directional surface modification of phosphate-based polymers.

[0036] Such particles have suitable electromotive force and contact angle. The hydrophilic side is conducive to full dispersion and contact with other particles in the water environment, while the hydrophobic side exhibits a strong ability to adsorb negatively charged plastic particles. In the magnetic field, such amphiphilic magnetic particles can achieve rapid separation, thereby completing the enrichment and separation of micron- or nano-scale plastic particles in the water environment, and making the microplastics in the solution magnetic, so that they can be magnetically adsorbed by the spiral magnetic sheet 7;

[0037] The liquid pumping mechanism includes a second pump body 17 fixed to the side surface of the lifting barrel 3, the liquid inlet port of the second pump body 17 is connected to the inner cavity of the lifting barrel 3, the liquid outlet port of the second pump body 17 is fixedly connected to the circulation pipe 18, a liquid distribution channel is fixedly opened inside the magnetic shaft 21, the liquid outlet port of the circulation pipe 18 is rotatably connected to the liquid distribution channel, and a plurality of groups of regularly distributed liquid distribution holes 19 connected to the liquid distribution channel are opened in the magnetic shaft 21.

[0038] The technical effect achieved by the above embodiment is as follows: when the device is working, a sufficient amount of magnetic adsorption auxiliary liquid is first injected into the separation tank 2, and the soil to be separated is injected into the interior of the separation tank 2. During separation, the servo motor 8 outputs the speed at the set power, the spiral magnetic sheet 7 is energized and generates magnetism, and the spiral magnetic sheet 7 lifts the material upward. The second pump body 17 circulates and delivers liquid to the lifting barrel 3, and the soil to be separated is ground and refined by the inner grinding roller 5 and the outer grinding drum 6. The refined particles flow into the lifting area of ​​the spiral magnetic sheet 7. When the particles flow through the lifting area of ​​the spiral magnetic sheet 7, the biochar and microplastics in the soil are lifted by the spiral magnetic sheet 7. The spiral magnetic sheet 7 is adsorbed. After the particles are separated for a specified time, the electric heating rod 12 boils and vaporizes the solution in the separation tank 2 and the lifting cylinder 3, thereby reducing the water content in the separation tank 2 and the lifting cylinder 3. After the electric heating rod 12 works for a specified time, the spiral magnetic sheet 7 remains energized, and a receiving container for soil material is installed at the lower end of the discharge valve 13. The spiral magnetic sheet 7 feeds downward when energized, and then discharges the separated microplastics and biochar. After the soil is discharged, a receiving container for the separated material is installed at the lower end of the discharge valve 13, and the spiral magnetic sheet 7 feeds downward when powered on, and then discharges the separated microplastics and biochar.

[0039] 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.

[0040] 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 capable of simultaneously separating biochar and microplastics from soil, comprising a frame (1), wherein the inner wall of the frame (1) is provided with a separation tank (2) and a lifting cylinder (3) connected to each other, wherein: A feed pipe (4) is connected between the opposing surfaces of the separation tank (2) and the material lifting cylinder (3); a return pipe (22) connected to the separation tank (2) is fixedly connected to the upper part of the material lifting cylinder (3); a transmission module is installed on the separation tank (2); the transmission module is respectively connected to the inner roller (5) and the outer roller (6); the outer roller (6) is rotationally connected to the separation tank (2); the inner roller (5) and the outer roller (6) rotate coaxially at a differential speed in opposite directions; an annular grinding gap is provided between the opposing surfaces of the inner roller (5) and the outer roller (6); the inner wall of the material lifting cylinder (3) is rotationally connected to a magnetic shaft (21) driven by the transmission module; a spiral magnetic sheet (7) is fixedly installed on the circumferential side of the magnetic shaft (21); a liquid supply component for delivering liquid to the separation tank (2) is installed on the surface of the frame (1); and a pumping mechanism for circulating pumping liquid into the material lifting cylinder (3) is installed on the surface of the material lifting cylinder (3).

2. A device for simultaneously separating biochar and microplastics from soil according to claim 1, characterized in that: The transmission module comprises a servo motor (8) fixed to the top of the separation tank (2), an outer shaft (9) rotatably connected to the separation tank (2), an inner shaft (10) rotatably connected to the inner wall of the outer shaft (9), the outer shaft (9) is fixedly connected to the inner roller (5), the inner shaft (10) is fixedly connected to the outer roller (6) via a three-claw connecting frame, the upper parts of the outer shaft (9) and the inner shaft (10) are both fixedly mounted with a first driven bevel gear, and the output shaft end of the servo motor (8) is mounted There are active bevel teeth, the bevel tooth surfaces of the active bevel teeth are respectively connected to the two first driven bevel teeth in driving connection, the upper part of the separation tank (2) is rotatably connected to a differential shaft (11), the left end of the differential shaft (11) is fixedly mounted with a first differential bevel tooth, the bevel tooth surface of the first differential bevel tooth is connected to the two first driven bevel teeth in driving connection, the right end of the differential shaft (11) is fixedly mounted with a second differential bevel tooth, and the top end of the magnetic shaft (21) is fixedly mounted with a second driven bevel tooth meshing with the second differential bevel tooth.

3. A device for simultaneously separating biochar and microplastics from soil according to claim 2, characterized in that: The two first driven bevel teeth are respectively arranged on both sides of the driving bevel tooth.

4. The device for simultaneously separating biochar and microplastics from soil according to claim 3, characterized in that: A single chip microcomputer is installed on the surface of the frame (1), a group of electric heating rods (12) are installed inside the inner roller (5) and the outer roller (6), and the bottom end of the lifting cylinder (3) is connected to a discharge valve (13).

5. The device for simultaneously separating biochar and microplastics from soil according to claim 4, characterized in that: A current controller (14) electrically connected to the magnetic shaft (21) is installed on the top of the lifting cylinder (3); the magnetic shaft (21) and the spiral magnetic sheet (7) are both electromagnets.

6. The device for simultaneously separating biochar and microplastics from soil according to claim 5, characterized in that: The auxiliary liquid supply assembly comprises a liquid storage box (20) fixed to the surface of the frame (1), wherein the interior of the liquid storage box (20) stores magnetically adsorbed auxiliary liquid, and the side of the liquid storage box (20) is connected to a first pump body (15), and the liquid outlet port of the first pump body (15) is connected to a liquid delivery pipe (16) for delivering liquid to the separation tank (2).

7. The device for simultaneously separating biochar and microplastics from soil according to claim 6, characterized in that: The liquid pumping mechanism comprises a second pump body (17) fixed to the peripheral side of the material lifting cylinder (3); the liquid inlet port of the second pump body (17) is connected to the inner cavity of the material lifting cylinder (3); the liquid outlet port of the second pump body (17) is fixedly connected to a circulation pipe (18); a liquid distribution channel is fixedly provided inside the magnetic shaft (21); the liquid outlet port of the circulation pipe (18) is rotatably connected to the liquid distribution channel; and a plurality of groups of regularly distributed liquid distribution holes (19) connected to the liquid distribution channel are provided inside the magnetic shaft (21).

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