Solid waste leachate preparation equipment

Abstract

The utility model discloses solid waste leachate preparation equipment, and relates to the technical field of solid waste detection. The solid waste leachate preparation equipment comprises a base, a pretreatment mechanism, a sample bottle, a case, a turnover oscillation mechanism and a suction filtration device, the pre-treatment mechanism is arranged above the machine base and is used for weighing, crushing and sieving solid wastes; the machine box is arranged at the top of the machine base, the sample bottle and the overturning and oscillating mechanism are arranged on the inner side of the machine box, and the sample bottle is used for containing solid waste mixed with an extracting agent after being smashed. According to the solid waste leachate preparation equipment, to-be-crushed solid waste is fed into the treatment barrel and is weighed at the same time, the solid waste does not need to be transferred after crushing operation, the operation steps are simplified, and compared with part of equipment for transferring by means of a mechanical arm, the manufacturing and using cost is effectively reduced, meanwhile, the operation time is shortened, and the operation efficiency is improved. The operation efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of solid waste detection, in particular to a solid waste leachate preparation device. Background Art

[0002] Solid waste refers to solid waste materials generated during production, life and other activities that cannot be reused or directly discharged into the natural environment; these wastes may contain hazardous substances and pose potential risks to the environment and human health; the management and treatment of solid waste is one of the important issues in environmental protection and sustainable development.

[0003] Solid waste leaching toxicity leaching method is one of the standardized test methods used to evaluate the potential for toxic substance release in solid waste; this method is usually used to determine the degree of dissolution of toxic substances (such as heavy metals, organic compounds, etc.) in solid waste under specific conditions to assess their potential harm to the environment and human body.

[0004] The leaching treatment of toxic solid waste requires a series of operations such as crushing, weighing, leachate preparation, oscillation leaching and filtration. Existing equipment, such as the Chinese utility model patent with publication number CN117463749A, discloses a solid waste leaching toxic leachate preparation system, including a weighing module for weighing samples processed by a crushing module and a mixing module, a flipping and mixing module for performing leaching experiments on samples accurately weighed by the weighing module, and a filter press module for filtering the leachate processed by the flipping and mixing module. It not only avoids the risk of contaminating samples due to manual operation, but also the automated operation greatly improves the accuracy and efficiency of the work and reduces the intensity of manual labor.

[0005] The above-mentioned solid waste leaching toxic leachate preparation system requires the use of a robotic arm to weigh the crushed samples. On the one hand, it increases the equipment cost and is not conducive to promotion and use. On the other hand, it wastes a lot of time in the crushing and weighing steps, reducing the efficiency of the entire operation. To this end, a solid waste leachate preparation device is now provided to solve the above problems. Utility Model Content

[0006] The purpose of the present invention is to solve at least one of the technical problems existing in the prior art and to provide a solid waste leachate preparation device that can solve the problems raised by the above-mentioned background technology.

[0007] To achieve the above-mentioned object, the utility model provides the following technical solutions: a solid waste leachate preparation device, comprising a machine base, a pre-treatment mechanism, a sample bottle, a machine case, a turning oscillation mechanism and a filtration device;

[0008] The pre-processing mechanism is located above the machine base and is used to weigh, crush and screen the solid waste;

[0009] The chassis is located on the top of the base, and the sample bottle and the flip oscillation mechanism are both located inside the chassis. The sample bottle is used to hold the solid waste mixed with the leaching agent after being crushed, and the flip oscillation mechanism is used to flip and oscillate the solid waste in the sample bottle.

[0010] The side of the chassis is connected to a sub-chassis, and the filtration device is arranged on the inner side of the sub-chassis and is used for filtration treatment of the solid waste leachate after oscillation.

[0011] Preferably, the pre-treatment mechanism includes an annular weighing sensor, a processing cylinder and a joint seat. An annular weighing sensor with the sensing end facing horizontally upward is arranged above the chassis. A processing cylinder for holding solid waste is arranged on the inner side of the annular weighing sensor. A horizontally distributed joint seat is integrally formed on the outer wall of the middle section of the processing cylinder, and the joint seat is overlapped on the sensing end of the annular weighing sensor.

[0012] Preferably, the pre-processing mechanism also includes a bracket, a support, a motor A and a crushing tool. The support is installed on the top of the chassis at a position behind the annular weighing sensor. The top of the support is parallel to the annular weighing sensor. The bracket is fixedly connected between the bottom of the annular weighing sensor and the support. The top of the support is provided with a motor A whose output shaft is coaxial with the processing cylinder. The output shaft of motor A is fixedly connected to the crushing tool through a coupling, and the crushing tool extends to the inner side of the processing cylinder.

[0013] Preferably, the pre-treatment mechanism also includes a screen sheet and a sealing cover. A screen sheet is detachably installed on the inner wall of the treatment cylinder near its bottom, and a sealing cover is detachably installed at the bottom opening of the treatment cylinder to close it. The solid waste to be crushed is fed into the treatment cylinder and weighed simultaneously, without the need to transfer the solid waste after the crushing operation.

[0014] Preferably, the flipping oscillation mechanism includes a rotating shaft, a V-shaped splint A, a V-shaped splint B and a motor B. The rotating shaft is rotatably connected between the inner walls of the two sides of the chassis. Three groups of V-shaped splints A and V-shaped splints B distributed in a circular array are integrally connected to the outer wall of the rotating shaft. The V-shaped splint A and the V-shaped splint B are symmetrically distributed relative to the cross-section of the rotating shaft. The motor B is provided on the outer wall of the chassis. The motor B is located on the inner side of the sub-chassis. The output shaft of the motor B is fixedly connected to one end of the rotating shaft through a coupling. The sample bottle is provided between each group of V-shaped splints A and V-shaped splints B.

[0015] Preferably, the flipping oscillation mechanism also includes a fixed seat, a movable seat and a hand-tightening screw. A plurality of fixed seats distributed in a linear array are installed on the inner side of the V-shaped splint B. A movable seat symmetrically distributed with the fixed seat is provided above the fixed seat near the V-shaped splint A. Vertically arranged screw holes are provided on the surface of the V-shaped splint A at positions opposite to each group of movable seats. A hand-tightening screw is connected to the inner thread of the screw hole on the V-shaped splint A. One end of the hand-tightening screw extends between the V-shaped splint A and the V-shaped splint B and is rotatably connected to the movable seat. The fixed seat and the movable seat can clamp the sample bottle therein.

[0016] Preferably, the suction filter device includes a suction filter, a liquid outlet pipe, a liquid extraction pipe, a discharge pipe, a sample outlet pipe, a storage hole, a sample inlet pipe, a lower cylinder, a hose, a micro cylinder and a docking cylinder. The auxiliary chassis is provided with a suction filter, the output end of the suction filter is connected to the liquid outlet pipe, the top of the auxiliary chassis is provided with a lower cylinder, the upper part of the lower cylinder is provided with a docking cylinder, filter paper can be clamped between the lower cylinder and the docking cylinder, the top of the docking cylinder is connected with a hose communicating with the interior thereof, the end of the hose is connected with the liquid extraction pipe, the bottom end of the lower cylinder is connected to the input end of the suction filter through a pipe, the top of the auxiliary chassis is also provided with a micro cylinder, the micro The free end of the cylinder is connected to the side wall of the docking tube, and a storage hole is integrally formed on the front side of the sub-chassis. The bottom of the sealing cover is connected to a discharge pipe connected to its interior. The outer wall of the sample bottle near its top and bottom are respectively connected to a sampling pipe and a sampling pipe connected to its interior. Both the sampling pipe and the sampling pipe are provided with solenoid valves. The discharge pipe can be connected to the sampling pipe on the sample bottle through a pipe. An opening that penetrates to the inside of the sub-chassis is opened on the side wall of the chassis near the sub-chassis. The liquid extraction pipe extends to the inside of the chassis through the opening, and the sampling pipe on the sample bottle can be connected to the liquid extraction pipe through the pipe.

[0017] Preferably, the surface of the chassis is integrally provided with a taking-in and putting hole, and a box cover that can cover the taking-in and putting hole is movably connected to the chassis; the inner side of the chassis is also provided with a heating component for heating and a refrigeration component for cooling, and the temperature control component is embedded in the sub-chassis. The chassis is located between the pre-treatment mechanism and the filtration device. Through the setting of the flipping and oscillating mechanism, the solid waste of the mixed leachate can be flipped and oscillated to ensure efficient leaching of harmful substances in the solid waste. In the flipping and oscillating process, with the help of the enclosed structure of the chassis and the temperature control treatment of the heating component and the refrigeration component, the leaching rate and effect can be further guaranteed.

[0018] Compared with the prior art, the beneficial effects of the present invention are:

[0019] (1) The solid waste leachate preparation equipment, through the setting of the pre-treatment mechanism, sends the solid waste to be crushed into the treatment cylinder and weighs it at the same time. There is no need to transfer the solid waste after the crushing operation, which simplifies the operation steps. Compared with some equipment that uses a mechanical arm for transfer, it effectively reduces the manufacturing and use costs, shortens the operation time, and improves the operation efficiency. In addition, the split and detachable structural design of the treatment cylinder, screen sheet and other components facilitates the screening and discharge of the weighed and crushed solid waste and its cleaning treatment. The structure is novel and practical, which is conducive to promotion and use.

[0020] (2) The solid waste leachate preparation equipment can perform a flipping and oscillating treatment on the solid waste mixed with the leachate by setting a flipping and oscillating mechanism, thereby ensuring efficient leaching of harmful substances in the solid waste. During the flipping and oscillating process, the leaching rate and effect can be further guaranteed by means of the enclosed structure of the chassis and the temperature control treatment of the heating component and the refrigeration component. After the oscillation, the mixture of the solid waste and the leachate in the sample bottle can also be filtered. The equipment is convenient for operators to operate the entire set of solid waste leaching and toxicity leaching treatment operations, with a high degree of automation, strong practicality and safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0022] Figure 1 A perspective view of an embodiment of the present utility model;

[0023] Figure 2 A top view of an embodiment of the present utility model;

[0024] Figure 3 This is an AA cross-sectional view of an embodiment of the present utility model;

[0025] Figure 4 This is an enlarged view of part A of an embodiment of the present utility model;

[0026] Figure 5 This is an enlarged view of part B of an embodiment of the present utility model;

[0027] Figure 6 A side view of an embodiment of the present utility model;

[0028] Figure 7 It is a front view of an embodiment of the utility model;

[0029] Figure 8 This is an enlarged view of part C of an embodiment of the present utility model;

[0030] Figure 9 This is a structural diagram of the auxiliary chassis of an embodiment of the utility model;

[0031] Figure 10 This is an enlarged view of part D of an embodiment of the present utility model;

[0032] Figure 11 This is a structural diagram of a processing cylinder according to an embodiment of the present utility model.

[0033] Figure 1: 1. base; 2. pre-processing mechanism; 21. annular weighing sensor; 22. bracket; 23. processing cylinder; 24. overlap seat; 25. screen; 26. support; 27. motor A; 28. crushing tool; 29. sealing cover; 3. sample bottle; 4. chassis; 5. flip oscillation mechanism; 51. rotating shaft; 52. V-shaped clamping plate A; 53. V-shaped clamping plate B; 54. fixed seat; 55. movable seat; 56. hand Tighten the screw; 57, motor B; 6, sub-chassis; 7, box cover; 8, heating component; 9, refrigeration component; 10, filtration device; 101, filter; 102, liquid outlet pipe; 103, liquid extraction pipe; 104, discharge pipe; 105, sample outlet pipe; 106, storage hole; 107, sample inlet pipe; 108, lower cylinder; 109, hose; 1010, micro cylinder; 1011, docking cylinder; 11, temperature control component. DETAILED DESCRIPTION

[0034] This section will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and overall technical solution of the present invention, but it cannot be understood as a limitation on the scope of protection of the present invention.

[0035] In the description of the present invention, it should be understood that descriptions involving orientations, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.

[0036] In the description of this utility model, terms such as "greater than," "less than," and "exceed" are understood to exclude the number indicated, while terms such as "above," "below," and "within" are understood to include the number indicated. The terms "first" and "second" are used solely to distinguish technical features and are not to be construed as indicating or implying relative importance, or as implicitly specifying the number or order of the technical features indicated.

[0037] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, and connecting should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0038] See also Figure 1-11 The utility model provides a solid waste leachate preparation device, comprising: a machine base 1 and a pre-treatment mechanism 2, the pre-treatment mechanism 2 is arranged above the machine base 1 and is used for weighing, crushing and screening the solid waste; a sample bottle 3, a chassis 4 and a flip oscillation mechanism 5, the chassis 4 is arranged on the top of the machine base 1, the sample bottle 3 and the flip oscillation mechanism 5 are both arranged on the inner side of the chassis 4, the sample bottle 3 is used to hold the solid waste mixed with the extractant after crushing, and the flip oscillation mechanism 5 is used to flip and oscillate the solid waste in the sample bottle 3; a filtration device 10, the side of the chassis 4 is connected to the sub-chassis 6, the filtration device 10 is arranged on the inner side of the sub-chassis 6 and is used for filtering the solid waste leachate after oscillation.

[0039] Among them, the pre-processing mechanism 2 includes an annular weighing sensor 21, a processing cylinder 23 and a lap seat 24. An annular weighing sensor 21 with its sensing end facing horizontally upward is arranged above the chassis 4. A processing cylinder 23 for holding solid waste is arranged on the inner side of the annular weighing sensor 21. A horizontally distributed lap seat 24 is integrally formed on the outer wall of the middle section of the processing cylinder 23. The lap seat 24 is overlapped on the sensing end of the annular weighing sensor 21. The pre-processing mechanism 2 also includes a bracket 22, a support 26, a motor A27 and a crushing tool 28. The top of the chassis 4 is located at the rear side of the annular weighing sensor 21 and a support 26 is mounted. The top of the support 26 is parallel to the annular weighing sensor 21. The bracket 22 is fixedly connected between the bottom of the annular weighing sensor 21 and the support 26. The top of the support 26 is provided with a motor A27 whose output shaft is coaxially distributed with the processing cylinder 23. The output shaft of A27 is fixedly connected to the crushing tool 28 through a coupling. The crushing tool 28 extends to the inner side of the processing cylinder 23. The pre-processing mechanism 2 also includes a screen sheet 25 and a sealing cover 29. The screen sheet 25 is detachably installed on the inner wall of the processing cylinder 23 near its bottom, and the sealing cover 29 is detachably installed at the bottom opening of the processing cylinder 23 to close it. Through the setting of the pre-processing mechanism 2, the solid waste to be crushed is fed into the processing cylinder 23 and weighed simultaneously. There is no need to transfer the solid waste after the crushing operation, which simplifies the operation steps. Compared with some equipment that relies on a robotic arm for transfer, it effectively reduces the manufacturing and use costs, shortens the operation time, and improves the operation efficiency. In addition, the split and detachable structural design of the processing cylinder 23, the screen sheet 25 and other components facilitates the screening and discharge of the weighed and crushed solid waste and its cleaning.

[0040] Secondly, the flipping and oscillating mechanism 5 includes a rotating shaft 51, a V-shaped splint A52, a V-shaped splint B53 and a motor B57. The rotating shaft 51 is rotatably connected between the inner walls of the two sides of the chassis 4. The outer wall of the rotating shaft 51 is integrally connected with three groups of V-shaped splints A52 and V-shaped splints B53 distributed in a circular array. The V-shaped splints A52 and V-shaped splints B53 are symmetrically distributed relative to the cross section of the rotating shaft 51. A motor B57 is provided on the outer wall of the chassis 4. The motor B57 is located on the inner side of the auxiliary chassis 6. The output shaft of the motor B57 is fixedly connected to one end of the rotating shaft 51 through a coupling. The sample bottle 3 is provided between each group of V-shaped splints A52 and V-shaped splints B53. The surface of the chassis 4 is integrally provided with a take-in and put-out hole. The take-in and put-out hole on the chassis 4 is movably connected with a box cover 7 that can cover it; the chassis 4 A heating component 8 for heating and a refrigeration component 9 for cooling are also provided on the inner side; a temperature control component 11 is embedded in the chassis 4; the chassis 4 is located between the pre-treatment mechanism 2 and the filtration device 10, and the flip oscillation mechanism 5 also includes a fixed seat 54, a movable seat 55 and a hand-tightening screw 56. A plurality of groups of fixed seats 54 distributed in a linear array are installed on the inner side of the V-shaped splint B53, and a movable seat 55 symmetrically distributed with the fixed seat 54 is provided above the fixed seat 54 near the position of the V-shaped splint A52. Vertically arranged screw holes are provided on the surface of the V-shaped splint A52 at positions opposite to each group of movable seats 55. A hand-tightening screw 56 is connected to the inner thread of the screw hole on the V-shaped splint A52. One end of the hand-tightening screw 56 extends between the V-shaped splint A52 and the V-shaped splint B53 and is rotatably connected to the movable seat 55;The filtration device 10 includes a filtration device 101, a liquid outlet pipe 102, a liquid extraction pipe 103, a discharge pipe 104, a sample outlet pipe 105, a storage hole 106, a sample inlet pipe 107, a lower cylinder 108, a hose 109, a micro cylinder 1010 and a docking pipe 1011. The filtration device 101 is provided on the auxiliary chassis 6. The output end of the filtration device 101 is connected to the liquid outlet pipe 102. The top of the auxiliary chassis 6 is provided with a lower cylinder 108. The upper part of the lower cylinder 108 is provided with a docking pipe 1011. The filter can be clamped between the lower cylinder 108 and the docking pipe 1011. The top of the docking tube 1011 is connected to a hose 109 communicating with the interior thereof, the end of the hose 109 is connected to a liquid extraction pipe 103, the bottom end of the lower cylinder 108 is connected to the input end of the filter 101 through a pipe, a micro cylinder 1010 is further provided on the top of the auxiliary chassis 6, the free end of the micro cylinder 1010 is connected to the side wall of the docking tube 1011, the front side of the auxiliary chassis 6 is integrally provided with a storage hole 106, the bottom of the sealing cover 29 is connected to a discharge pipe 104 communicating with the interior thereof, the outer wall of the sample bottle 3 is close to the top and bottom thereof The sample inlet pipe 107 and the sample outlet pipe 105 are respectively connected to the inside thereof, and the sample inlet pipe 107 and the sample outlet pipe 105 are both provided with solenoid valves. The discharge pipe 104 can be connected to the sample inlet pipe 107 on the sample bottle 3 through a pipe. An opening that penetrates to the inside of the sub-chassis 6 is opened at the side wall of the chassis 4 near the sub-chassis 6. The liquid extraction pipe 103 extends to the inside of the chassis 4 through the opening. The sample outlet pipe 105 on the sample bottle 3 can be connected to the liquid extraction pipe 103 through a pipe. The fixed seat 54 and the movable seat 55 can clamp the sample bottle 3 therein. By turning The oscillating mechanism 5 is configured to perform a tumbling and oscillating treatment on the solid waste mixed with the leachate, ensuring efficient leaching of harmful substances in the solid waste. During the tumbling and oscillating process, the leaching temperature within the chassis 4 can be adjusted and maintained constant by utilizing the enclosed structure of the chassis 4 and the temperature control of the heating component 8, the cooling component 9, and the temperature control component 11, further ensuring the leaching rate and effectiveness. After oscillation, the mixture of solid waste and leachate in the sample bottle 3 can also be filtered. This device facilitates the operator to perform a complete set of solid waste leaching and toxicity leaching treatment operations.

[0041] Operation method and working principle: The solid waste sample to be processed is fed into the processing cylinder 23. The annular weighing sensor 21 weighs the solid waste sample. After adding an appropriate amount of solid waste sample, the control motor A27 drives the crushing cutter 28 to crush the solid waste sample. The discharge pipe 104 is connected to the sampling pipe 107 above the sample bottle. Then, the valve on the sampling pipe 107 is opened. After being crushed, the solid waste passes through the sieve 25 with an aperture of 9.5 mm and falls into the sample bottle 3 for collection.

[0042] After the solid waste sample in the treatment cylinder 23 is completely sieved, the volume of the leaching agent is calculated based on the weight and water content of the solid waste sample, and leaching agent 2# is selected. The liquid-solid ratio is 20:1L:KG. The leaching agent is a mixture of water and glacial acetic acid. 17.25ml of glacial acetic acid is diluted to 1L with reagent water. The leaching agent is then sent to the sample bottle 3 through the pipeline to mix with the crushed solid waste sample;

[0043] The sample bottle 3 is placed between the fixed seat 54 and the movable seat 55 in the chassis 4. The hand screw 56 is rotated to drive the movable seat 55 to press the sample bottle 3 downward. The sample bottle 3 is clamped between the fixed seat 54 and the movable seat 55. The control motor B57 is started to drive the sample bottle 3 to flip. The solid waste sample mixed with the leaching agent in the sample bottle 3 is oscillated. At the same time, the box cover 7 is closed and the knob of the temperature control component 11 is adjusted to ensure that the leaching temperature (23±2°C) in the chassis 4 is maintained;

[0044] After flipping and oscillating, the sample outlet pipe 105 at the bottom of the sample bottle 3 is connected to the liquid extraction pipe 103 with a hose, and then tweezers are used to send the 0.6-0.8μm microporous filter membrane between the lower cylinder 108 and the docking tube 1011, and the free end of the micro cylinder 1010 is controlled to contract, driving the docking tube 1011 to descend and clamp the filter membrane, and the filter instrument 101 is controlled to filter the leachate of the solid waste in the sample bottle 3, and the filtrate obtained by filtration is discharged through the liquid outlet pipe 102.

[0045] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the scope of knowledge possessed by ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A solid waste leachate preparation device, characterized in that: include: A machine base (1) and a pre-processing mechanism (2), wherein the pre-processing mechanism (2) is arranged above the machine base (1) and is used for weighing, crushing and screening solid waste; A sample bottle (3), a chassis (4) and a flip oscillation mechanism (5), wherein the chassis (4) is arranged on the top of the base (1), the sample bottle (3) and the flip oscillation mechanism (5) are both arranged on the inner side of the chassis (4), the sample bottle (3) is used to contain solid waste mixed with a leaching agent after pulverization, and the flip oscillation mechanism (5) is used to flip and oscillate the solid waste in the sample bottle (3); A suction filter device (10) is provided. The side of the chassis (4) is connected to a sub-chassis (6). The suction filter device (10) is arranged inside the sub-chassis (6) and is used for suction filtering the solid waste leachate after oscillation.

2. The solid waste leachate preparation device according to claim 1, characterized in that: The pre-treatment mechanism (2) comprises an annular weighing sensor (21), a treatment cylinder (23) and a bridge seat (24); an annular weighing sensor (21) with its sensing end facing upward is arranged above the chassis (4); a treatment cylinder (23) for containing solid waste is arranged on the inner side of the annular weighing sensor (21); a horizontally distributed bridge seat (24) is integrally formed on the outer wall of the middle section of the treatment cylinder (23); and the bridge seat (24) is bridged on the sensing end of the annular weighing sensor (21).

3. The solid waste leachate preparation device according to claim 2, characterized in that: The pre-processing mechanism (2) further comprises a bracket (22), a support (26), a motor A (27) and a crushing tool (28). The top of the chassis (4) is provided with a support (26) at a position behind the annular weighing sensor (21). The top of the support (26) is parallel to the annular weighing sensor (21). The bottom of the annular weighing sensor (21) and the support (26) are fixedly connected with the bracket (22). The top of the support (26) is provided with a motor A (27) whose output shaft is coaxially distributed with the processing cylinder (23). The output shaft of the motor A (27) is fixedly connected to the crushing tool (28) via a coupling. The crushing tool (28) extends to the inner side of the processing cylinder (23).

4. The solid waste leachate preparation device according to claim 3, characterized in that: The pre-treatment mechanism (2) further comprises a screen sheet (25) and a sealing cover (29). The screen sheet (25) is detachably mounted on the inner wall of the treatment cylinder (23) near its bottom, and the sealing cover (29) is detachably mounted at the bottom opening of the treatment cylinder (23) to seal it.

5. The solid waste leachate preparation device according to claim 1, characterized in that: The flip oscillation mechanism (5) comprises a rotating shaft (51), a V-shaped clamping plate A (52), a V-shaped clamping plate B (53) and a motor B (57). The rotating shaft (51) is rotatably connected between the inner walls of the chassis (4). The outer wall of the rotating shaft (51) is integrally connected with three groups of V-shaped clamping plates A (52) and V-shaped clamping plates B (53) distributed in a ring array. The V-shaped clamping plates A (52) and V-shaped clamping plates B (53) are symmetrically distributed relative to the cross section of the rotating shaft (51). The outer wall of the chassis (4) is provided with a motor B (57). The motor B (57) is located on the inner side of the auxiliary chassis (6). The output shaft of the motor B (57) is fixedly connected to one end of the rotating shaft (51) through a coupling. The sample bottle (3) is provided between each group of V-shaped clamping plates A (52) and V-shaped clamping plates B (53).

6. The solid waste leachate preparation device according to claim 5, characterized in that: The flip oscillation mechanism (5) further comprises a fixed seat (54), a movable seat (55) and a hand screw (56). A plurality of fixed seats (54) distributed in a linear array are installed on the inner side of the V-shaped splint B (53). A movable seat (55) symmetrically distributed with the fixed seat (54) is provided above the fixed seat (54) near the position of the V-shaped splint A (52). Vertically arranged screw holes are provided at positions opposite to each group of movable seats (55) on the surface of the V-shaped splint A (52). A hand screw (56) is threadedly connected to the screw hole on the V-shaped splint A (52). One end of the hand screw (56) extends between the V-shaped splint A (52) and the V-shaped splint B (53) and is rotatably connected to the movable seat (55). The fixed seat (54) and the movable seat (55) can clamp the sample bottle (3) therein.

7. The solid waste leachate preparation device according to claim 4, characterized in that: The suction filtration device (10) comprises a suction filter (101), a liquid outlet pipe (102), a liquid extraction pipe (103), a discharge pipe (104), a sample outlet pipe (105), a storage hole (106), a sample inlet pipe (107), a lower cylinder (108), a hose (109), a micro cylinder (1010) and a docking pipe (1011). The suction filter (101) is provided on the auxiliary chassis (6). The output end of the suction filter (101) is connected to the liquid outlet pipe (101). 2), a lower cylinder (108) is installed on the top of the auxiliary case (6), a docking cylinder (1011) is provided above the lower cylinder (108), filter paper can be sandwiched between the lower cylinder (108) and the docking cylinder (1011), a hose (109) communicating with the interior of the docking cylinder (1011) is connected to the top of the docking cylinder (1011), the end of the hose (109) is connected to a liquid extraction pipeline (103), the bottom end of the lower cylinder (108) is connected to the input end of the filter (101) through a pipeline, and the auxiliary case (6) is provided with a lower cylinder (108) and a docking cylinder (1011). The top of the chassis (6) is also provided with a micro cylinder (1010), the free end of the micro cylinder (1010) is connected to the side wall of the docking tube (1011), the front side of the auxiliary chassis (6) is provided with a storage hole (106) in an integral manner, the bottom of the sealing cover (29) is connected to a discharge pipe (104) communicating with the interior thereof, and the outer wall of the sample bottle (3) is connected to a sampling pipe (107) and a sampling pipe (105) communicating with the interior thereof at positions near the top and bottom thereof. ), the sample inlet pipe (107) and the sample outlet pipe (105) are both provided with electromagnetic valves, the discharge pipe (104) can be connected to the sample inlet pipe (107) on the sample bottle (3) through a pipe, an opening is provided on the side wall of the chassis (4) close to the auxiliary chassis (6) and extends to the inner side of the auxiliary chassis (6), the liquid extraction pipe (103) extends to the inner side of the chassis (4) through the opening, and the sample outlet pipe (105) on the sample bottle (3) can be connected to the liquid extraction pipe (103) through a pipe.

8. The solid waste leachate preparation device according to claim 7, characterized in that: The surface of the chassis (4) is provided with an integrally formed access hole, and a cover (7) capable of covering the access hole is movably connected to the chassis (4); a heating component (8) for heating and a cooling component (9) for cooling are also provided on the inner side of the chassis (4); a temperature control component (11) is embedded in the auxiliary chassis (6); and the chassis (4) is located between the pre-treatment mechanism (2) and the filtration device (10).

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