CN219714972U - Soil and solid waste sample pretreatment device - Google Patents
Soil and solid waste sample pretreatment device Download PDFInfo
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- CN219714972U CN219714972U CN202320252179.4U CN202320252179U CN219714972U CN 219714972 U CN219714972 U CN 219714972U CN 202320252179 U CN202320252179 U CN 202320252179U CN 219714972 U CN219714972 U CN 219714972U
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- 239000002689 soil Substances 0.000 title claims abstract description 20
- 239000002910 solid waste Substances 0.000 title claims abstract description 20
- 230000029087 digestion Effects 0.000 claims abstract description 55
- 238000000120 microwave digestion Methods 0.000 claims abstract description 23
- 238000003825 pressing Methods 0.000 claims abstract description 19
- 230000002093 peripheral effect Effects 0.000 claims abstract description 5
- 238000005096 rolling process Methods 0.000 claims description 17
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 3
- 238000007781 pre-processing Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 description 7
- 238000001514 detection method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000002904 solvent Substances 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- 239000000809 air pollutant Substances 0.000 description 1
- 231100001243 air pollutant Toxicity 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000011895 specific detection Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000000209 wet digestion Methods 0.000 description 1
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Abstract
The utility model relates to a soil and solid waste sample pretreatment device, which comprises a microwave oven of a microwave digestion instrument, wherein a bottom plate is arranged on the inner bottom of the microwave oven in a sliding way along the front-back direction, a first hydraulic cylinder is arranged at the rear end of the microwave oven corresponding to the bottom plate, a piston rod of the first hydraulic cylinder is fixedly connected with the bottom plate, a second hydraulic cylinder is arranged on the bottom plate, a first motor is fixedly connected with a piston rod of the second hydraulic cylinder upwards, an output shaft of the first motor faces upwards and is coaxial with a rotating disc and is detachably and fixedly connected with the rotating disc, a plurality of second motors are uniformly distributed on the peripheral side of the bottom of the rotating disc, an upward output shaft of the second motor penetrates through the rotating disc and is fixedly connected with a placing disc, a placing groove is formed in the top of the placing disc, a square frame plate is arranged on the side of the placing groove, a digestion tank is inserted on the placing groove, a screw rod is rotatably arranged between the upper side and the lower side of the frame plate, a pressing plate is sleeved on the screw rod in a threaded way, and the pressing plate can be propped against the top of the digestion tank. The utility model can realize the rapid loading and unloading of the digestion tank before and after digestion, and can realize the integral lifting, revolution and single rotation of the digestion tank, thereby being more practical.
Description
Technical Field
The utility model belongs to the technical field of environment detection, and particularly relates to a soil and solid waste sample pretreatment device.
Background
The detection content of the environment detection mainly comprises water quality, air waste gas, air pollutants, workplace waste gas, solid waste, noise, radiation and the like. The detection object of the solid waste is mainly soil, solid waste and the like, and before specific detection, the soil, the solid waste and the like are often required to be sampled, and the obtained soil and solid waste samples are preprocessed so as to facilitate subsequent detection operation.
At present, the pretreatment methods for samples such as soil, solid waste and the like mainly comprise a decomposition method and an extraction method, wherein the decomposition method also comprises wet digestion, microwave digestion and the like. The microwave digestion is a method for directly heating substances through two effects of molecular polarization and ionic conduction to promote the surface layer of a solid sample to be rapidly broken, generate new surface and solvent effects and completely decompose the sample within a few minutes, and the used equipment is a microwave digestion instrument. The device for placing the microwave digestion tank in the conventional microwave digestion instrument mainly comprises a rotating disc, the digestion tank is placed on the rotating disc through a tank frame or not through the tank frame and rotates along with the rotating disc, but the digestion tank cannot rotate, so that the uniformity of microwave receiving quantity of each digestion tank is affected, and the rotating disc is rotationally arranged in a microwave oven chamber of the microwave digestion instrument, so that the operation is inconvenient when the digestion tank is assembled and disassembled, the assembly and disassembly of the digestion tank cannot be completed rapidly before and after digestion, and the development of digestion operation is not facilitated. The patent with publication number CN 210613769U discloses a microwave digestion tank placement device of a microwave digestion instrument, which effectively improves the uniformity of microwave load of a digestion tank by realizing the integral revolution and single rotation of the digestion tank, but still has the problems of inconvenient loading and unloading operation and long time consumption of the digestion tank, and needs to be improved.
Disclosure of Invention
In view of the above, the present utility model aims to provide a soil and solid waste sample pretreatment device, which can realize the rapid assembly and disassembly of the whole digestion tank before and after digestion, and can realize the whole lifting, revolution and single rotation of the digestion tank, so as to solve the problems.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the utility model provides a soil and solid useless sample preprocessing device, includes the microwave oven that the appearance was cleared up to the microwave oven, the front end of microwave oven is uncovered and can open and shut and be connected with the furnace gate, inside is equipped with the rolling disc, along fore-and-aft direction slip being equipped with the bottom plate on the interior bottom of microwave oven, the microwave oven rear end level that the bottom plate corresponds is equipped with first pneumatic cylinder, the piston rod of first pneumatic cylinder forward and with bottom plate rear end fixed connection, vertically on the bottom plate be equipped with the second pneumatic cylinder, the piston rod of second pneumatic cylinder up and fixed connection first motor, the output shaft of first motor up and with the rolling disc coaxial and detachable fixed connection, be circumference interval equipartition on the week side of rolling disc bottom has a plurality of second motors, the output shaft of second motor runs through the rolling disc up and coaxial fixed connection place the dish, set up standing groove, the vertical square framed plate that has been erect on the lateral part on the top of place dish, vertical and with clear up and rotate between the upper and lower side of framed plate and with the bottom plate and be equipped with the lead screw frame, the top is cleared up on the rolling disc and can be passed through the rolling disc and the rolling disc, the screw is passed through towards the pressing plate on the pressing plate and can be passed through to the top.
Preferably, the left side and the right side of the bottom plate are both provided with inverted T-shaped sliding blocks, sliding grooves matched with the sliding blocks are formed in the rear direction of the bottom in the microwave oven corresponding to the sliding blocks, and the sliding blocks are arranged in the corresponding sliding grooves in a sliding manner.
Preferably, the output shaft of the first motor is fixedly connected with a first external thread column coaxially, a connecting sleeve is sleeved on the peripheral side of the first external thread column in a threaded manner, a cross-shaped insertion block is coaxially and fixedly arranged at the top end of the first external thread column, a second external thread column matched with the first external thread column is coaxially and fixedly arranged at the bottom of the rotating disc, a cross-shaped slot matched with the cross-shaped insertion block is coaxially formed in the second external thread column, the second external thread column is abutted to the first external thread column, the cross-shaped insertion block is inserted in the cross-shaped slot, and the connecting sleeve can be screwed into the second external thread column to enable the upper portion of the connecting sleeve to be screwed on the second external thread column and the lower portion of the connecting sleeve to be screwed on the first external thread column.
Preferably, a plurality of rotating rods are fixedly arranged on the periphery of the connecting sleeve.
Preferably, the top center of the rotating disc is fixedly provided with a storage battery, the side part of the rotating disc is provided with a control switch, and the second motors are electrically connected with the storage battery through the control switch.
Preferably, the placing groove is matched with the bottom of the digestion tank.
Preferably, guide blocks are arranged on two sides of the pressing plate, guide grooves which are matched with each other are vertically formed in the inner sides of the left and right side frames of the frame plate corresponding to the guide blocks, and the guide blocks are arranged in the corresponding guide grooves in a sliding mode.
The beneficial effects of the utility model are as follows: when the rotary disk is used, a plurality of rotary disks and a plurality of digestion tanks containing soil, solid waste and other samples and solvents can be prepared in advance, and the digestion tanks are directly loaded on the rotary disks before the rotary disks are installed, wherein the loading is specifically as follows: the digestion tank is inserted into a placing groove of the placing disc, and the corresponding screw rod is rotated through the rotating handle to drive the corresponding pressing plate to move downwards until the pressing plate is abutted against the top of the corresponding digestion tank, so that the corresponding digestion tank is pressed. After the digestion tank is loaded. The oven door is opened, the first hydraulic cylinder is operated, the piston rod of the first hydraulic cylinder is extended, the bottom plate can be driven to move out of the microwave oven, and then the rotary plate loaded with the digestion tank can be installed on the output shaft of the first motor through the detachable fixed connection between the rotary plate and the output shaft of the first motor. Then, the first hydraulic cylinder is operated again to shrink the piston rod of the first hydraulic cylinder, so that the bottom plate and the rotating disc are driven to move into the microwave oven together, and the oven door is closed. And then, the microwave oven is operated, so that microwave digestion operation can be realized. In the process, the operation of the second hydraulic cylinder can drive the whole rotating disc to reciprocate up and down, the operation of the first motor can drive the whole rotating disc and the digestion tank on the whole rotating disc to revolve integrally, and the operation of the second motor can drive the corresponding single placing disc and the digestion tank to rotate, so that the uniformity of microwave receiving quantity of each digestion tank can be greatly enhanced, and the integral efficiency and quality of microwave digestion are improved. After the microwave digestion is finished, the furnace door is opened, the first hydraulic cylinder is operated again, the piston rod of the first hydraulic cylinder is extended, the bottom plate can be driven to move out of the microwave oven again, then the whole digested rotary plate can be rapidly detached from the output shaft of the first motor through the detachable fixed connection between the rotary plate and the output shaft of the first motor, another rotary plate provided with the digestion tank is arranged, and then the microwave digestion operation is continued according to the steps. Simultaneously, reversely rotating the rotating handle on the disassembled rotating disc, moving the pressing plate upwards, easily taking down the digested digestion tanks, reloading another batch of digestion tanks which are not digested according to the prior art, and waiting for subsequent operation. To sum up, through this device, can clear up loading and unloading of jar and the quick assembly disassembly of whole rolling disc and change in the outside of microwave oven around clearing up, but greatly reduced operation degree of difficulty improves efficiency for the operation is cleared up to the microwave is more continuous high-efficient, and when clearing up, can realize that a plurality of whole reciprocal lifts of clearing up jar, revolution and single rotation of clearing up the jar can effectively guarantee each homogeneity of clearing up jar microwave atress, more is favorable to improving efficiency and the quality of operation are cleared up to the microwave.
Drawings
FIG. 1 is a schematic diagram of the front view of the present utility model;
FIG. 2 is a right side view of the present utility model;
FIG. 3 is a schematic diagram of the front view of the rotary disk of the present utility model;
FIG. 4 is a schematic top view of the rotor disk of the present utility model;
FIG. 5 is a schematic diagram of the front view of the placement tray of the present utility model;
FIG. 6 is a schematic diagram of the front view of a first externally threaded post of the present utility model;
FIG. 7 is a schematic top view of a first externally threaded post of the present utility model;
fig. 8 is a schematic front view of the first externally threaded post and the second externally threaded post of the present utility model.
Reference numerals in the drawings: 1 is a microwave oven, 2 is a furnace door, 3 is a rotating disc, 4 is a bottom plate, 5 is a first hydraulic cylinder, 6 is a second hydraulic cylinder, 7 is a first motor, 8 is a second motor, 9 is a placing disc, 10 is a placing groove, 11 is a frame plate, 12 is a digestion tank, 13 is a screw rod, 14 is a rotating handle, 15 is a pressing plate, 16 is a sliding block, 17 is a sliding groove, 18 is a first external thread column, 19 is a connecting sleeve, 20 is a cross-shaped inserting block, 21 is a second external thread column, 22 is a cross-shaped inserting groove, 23 is a rotating rod, 24 is a storage battery, 25 is a control switch, 26 is a guide block, and 27 is a guide groove.
Detailed Description
The utility model is described in further detail below with reference to the attached drawings and detailed description:
as shown in fig. 1 to 8, a soil and solid waste sample pretreatment device comprises a microwave oven 1 of a microwave digestion instrument, wherein the front end of the microwave oven 1 is open and can be connected with an oven door 2 in an opening and closing manner, and a rotating disc 3 is arranged in the microwave oven. The inner bottom of the microwave oven 1 is provided with a bottom plate 4 in a sliding manner along the front-back direction, the rear end of the microwave oven 1 corresponding to the bottom plate 4 is horizontally provided with a first hydraulic cylinder 5, and a piston rod of the first hydraulic cylinder 5 faces forwards and is fixedly connected with the rear end of the bottom plate 4. The bottom plate 4 is vertically provided with a second hydraulic cylinder 6, a piston rod of the second hydraulic cylinder 6 faces upwards and is fixedly connected with a first motor 7, and an output shaft of the first motor 7 faces upwards and is coaxial with the rotating disc 3 and is detachably and fixedly connected with the rotating disc. A plurality of second motors 8 are uniformly distributed on the peripheral side of the bottom of the rotating disc 3 at intervals circumferentially, the output shafts of the second motors 8 upwards penetrate through the rotating disc 3 and are coaxially and fixedly connected with a placing disc 9, a placing groove 10 is formed in the top of the placing disc 9, and a square frame plate 11 is vertically erected on the side. A digestion tank 12 is inserted on the placing groove 10, a screw rod 13 is vertically and rotationally arranged between the upper side and the lower side of the frame plate 11, the top end of the screw rod 13 penetrates through the upper frame of the frame plate 11 and is fixedly connected with a rotating handle 14, a pressing plate 15 is sleeved on the screw rod 13 in a threaded manner, and the pressing plate 15 faces the digestion tank 12 and can be pressed against the top of the digestion tank 12;
in use, a plurality of rotating discs 3 and a plurality of digestion tanks 12 containing samples such as soil, solid waste and the like and solvents can be prepared in advance, and the digestion tanks 12 are directly loaded on the rotating discs 3 before the rotating discs are installed, and the loading is specifically as follows: the digestion tanks 12 are inserted into the placing grooves 10 of the placing plate 9, the corresponding screw rods 13 are rotated through the rotating handles 14, the corresponding pressing plates 15 are driven to move downwards until the pressing plates 15 are propped against the tops of the corresponding digestion tanks 12, and the corresponding digestion tanks 12 are pressed tightly. After completion of the loading of the digestion tank 12. The oven door 2 is opened, the first hydraulic cylinder 5 is operated, the piston rod of the first hydraulic cylinder is extended, the bottom plate 4 can be driven to move out of the microwave oven 1, and then the rotary plate 3 loaded with the digestion tank 12 can be installed on the output shaft of the first motor 7 through the detachable fixed connection between the rotary plate 3 and the output shaft of the first motor 7. Then, the first hydraulic cylinder 5 is operated again to shrink the piston rod, so that the bottom plate 4 and the rotating disc 3 are driven to move into the microwave oven 1 together, and the oven door 2 is closed. Then, the microwave oven 1 is operated, and the microwave digestion operation can be realized. In the process, the operation of the second hydraulic cylinder 6 can drive the whole rotating disc 3 to reciprocate up and down, the operation of the first motor 7 can drive the whole rotating disc 3 and the digestion tank 12 on the whole rotating disc 3 to integrally revolve, and the operation of the second motor 8 can drive the corresponding single placing disc 9 and the digestion tank 12 to automatically rotate, so that the uniformity of microwave receiving quantity of each digestion tank 12 can be greatly enhanced, and the overall efficiency and quality of microwave digestion are improved. After the microwave digestion is completed, the furnace door 2 is opened, the first hydraulic cylinder 5 is operated again, the piston rod of the first hydraulic cylinder is extended, the bottom plate 4 can be driven to move out of the microwave oven 1 again, then the digested rotary plate 3 is quickly detached from the output shaft of the first motor 7 and is provided with another rotary plate 3 provided with the digestion tank 12 through the detachable fixed connection between the rotary plate 3 and the output shaft of the first motor 7, and then the microwave digestion operation is continued according to the steps. Simultaneously, the rotary handle 14 on the disassembled rotary disc 3 is reversely rotated, the pressing plate 15 is moved upwards, the digested digestion tanks 12 can be easily taken down, another batch of digestion tanks 12 which are not digested are reloaded according to the prior art, and the subsequent operation is waited. To sum up, through this device, can clear up loading and unloading of jar 12 and the quick assembly disassembly of whole rolling disc 3 in the outside of microwave oven 1 around clearing up, but greatly reduced operation degree of difficulty improves efficiency for the operation is cleared up to the microwave is more continuous high-efficient, and when clearing up, can realize that a plurality of whole reciprocal lifts of clearing up jar 12, revolution and single rotation of clearing up jar 12, can effectively guarantee each homogeneity of clearing up jar 12 microwave atress, more is favorable to improving efficiency and the quality of microwave digestion operation. The microwave oven 1 of the microwave digestion instrument is in the prior art, and other related structural components on the microwave oven 1 such as a magnetron and a waveguide, which are not shown in the drawings, are all in the prior art, and the specific structure and the working principle thereof are not described in detail herein. The digestion tank 12 is conventional and generally comprises a tank body and a tank cover threadably attached to the open end of the tank body.
In this embodiment, the left and right sides of the bottom plate 4 are both provided with inverted T-shaped sliding blocks 16, the inner bottom of the microwave oven 1 corresponding to the sliding blocks 16 is provided with sliding grooves 17 adapted to the sliding blocks 16 along the rear direction, and the sliding blocks 16 are slidably arranged in the corresponding sliding grooves 17, so that the forward and backward movement of the bottom plate 4 can be well guided and limited by the mutual cooperation of the sliding blocks 16 and the sliding grooves 17, and the smooth and stable forward and backward movement of the bottom plate 4 is ensured.
In this embodiment, the output shaft of the first motor 7 is coaxially and fixedly connected with the first external thread column 18, the connecting sleeve 19 is coaxially and fixedly connected with the top end of the first external thread column 18, the cross-shaped insert 20 is coaxially and fixedly connected with the bottom of the rotating disc 3, the second external thread column 21 matched with the first external thread column 18 is coaxially and fixedly connected with the bottom of the rotating disc 3, the cross-shaped insert 22 matched with the cross-shaped insert 20 is coaxially arranged on the second external thread column 21, the second external thread column 21 is abutted with the first external thread column 18, the cross-shaped insert 20 is inserted in the cross-shaped insert 22, the connecting sleeve 19 can be screwed towards the second external thread column 21 to enable the upper portion of the connecting sleeve to be screwed on the second external thread column 21, the lower portion of the connecting sleeve 19 is screwed on the first external thread column 18, so that in the use process of the rotating disc 3 is completed, the cross-shaped insert 22 is only required to be aligned with the cross-shaped insert 20 to enable the cross-shaped insert 20 to be inserted into place, at the moment, the first external thread column 18 can be abutted with the second external thread column 21, the external thread on the two can form a complete thread section, then the connecting sleeve 19 can be controlled to be screwed towards the second external thread column 21 to enable the upper portion of the second external thread column 21 to be screwed on the second external thread column 21, namely screwed on the second external thread column 3 to be screwed on the upper portion of the second external thread column 3, and the rotating disc 3 can be smoothly screwed on the rotating disc 3. When the rotating disc 3 needs to be disassembled, only the connecting sleeve 19 is required to be reversely rotated, all the rotating disc 3 is rotated onto the first external thread column 18, and then the rotating disc 3 is pulled up, so that the rotating disc 3 can be disassembled, the whole operation is simple and convenient, the quick disassembly and replacement of the rotating disc 3 can be realized, the efficiency is improved through cooperation, and the microwave digestion operation is more continuous and efficient.
In this embodiment, a plurality of rotating rods 23 are fixedly arranged on the peripheral side of the connecting sleeve 19, so that the rotation of the connecting sleeve 19 is more convenient to control, and the operation difficulty is reduced.
In this embodiment, battery 24 has been set firmly at the top center of rolling disc 3, the lateral part is equipped with control switch 25, second motor 8 all is through control switch 25 and battery 24 electric connection for when in actual use, can be supplied power for second motor 8 by battery 24, opens and closes through control switch 25 control each second motor 8, makes whole rolling disc 3 can independently use, need not external power supply and controlgear, thereby does not influence the frequent dismouting change of rolling disc 3. In the specific use process, after the rotating disc 3 is installed, the second motor 8 can be controlled to be started through the control switch 25, the corresponding placing disc 9 and the digestion tank 12 are driven to rotate, then the control bottom plate 4 is moved into the microwave oven 1 and the oven door 2 is closed, and microwave digestion operation is carried out. After the bottom plate 4 is moved out of the microwave oven 1 again, the second motor 8 can be controlled to be closed by the control switch 25, so that the disassembly of the rotating disc 3 and the disassembly of the digestion tank 12 are not affected.
In this embodiment, the placement groove 10 is adapted to the bottom of the digestion tank 12, so as to ensure smooth placement of the digestion tank 12.
In this embodiment, guide blocks 26 are respectively disposed on two sides of the pressing plate 15, and corresponding guide grooves 27 are vertically formed on inner sides of the left and right side frames of the frame plate 11 corresponding to the guide blocks 26, and the guide blocks 26 are slidably disposed in the corresponding guide grooves 27, so that the lifting movement of the pressing plate 15 can be well guided and limited by the mutual cooperation of the guide blocks 26 and the guide grooves 27, and the lifting of the pressing plate 15 can be smoothly performed.
The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.
Claims (7)
1. The utility model provides a soil and solid useless sample preprocessing device, includes the microwave oven of microwave digestion instrument, the front end of microwave oven is uncovered and can open and shut and be connected with furnace gate, inside be equipped with the rolling disc, a serial communication port, along fore-and-aft direction slip on the interior bottom of microwave oven is equipped with the bottom plate, the microwave oven rear end level that the bottom plate corresponds is equipped with first pneumatic cylinder, the piston rod of first pneumatic cylinder is forward and with bottom plate rear end fixed connection, vertically on the bottom plate is equipped with the second pneumatic cylinder, the piston rod of second pneumatic cylinder up and fixedly connected with first motor, the output shaft of first motor up and with the rolling disc coaxial and can dismantle fixed connection, be circumference interval equipartition on the week side of rolling disc bottom has a plurality of second motors, the output shaft of second motor runs through rolling disc and coaxial fixed connection placing disc, the standing groove has been seted up on the top of placing disc, a square framed plate has been erect on the lateral part, the standing groove is last to insert and is cleared up the jar, vertical and rotate between the upper and lower both sides of framed plate and is equipped with the second pneumatic cylinder, the lead screw is gone up and runs through framed and is connected with the rolling disc and can be cleared up the screw thread on the pressing plate and has cup jointed on the top.
2. The pretreatment device for soil and solid waste samples according to claim 1, wherein the left side and the right side of the bottom plate are respectively provided with an inverted T-shaped sliding block, the bottom in the microwave oven corresponding to the sliding blocks is provided with sliding grooves matched with the sliding blocks along the rear direction, and the sliding blocks are arranged in the corresponding sliding grooves in a sliding manner.
3. The soil and solid waste sample pretreatment device according to claim 1, wherein the output shaft of the first motor is coaxially and fixedly connected with a first external thread column, a connecting sleeve is sleeved on the peripheral side of the first external thread column in a threaded manner, a cross-shaped insertion block is coaxially and fixedly arranged at the top end of the first external thread column, a second external thread column matched with the first external thread column is coaxially and fixedly arranged at the bottom of the rotating disc, a cross-shaped slot matched with the cross-shaped insertion block is coaxially arranged on the second external thread column, the second external thread column is abutted with the first external thread column, the cross-shaped insertion block is inserted in the cross-shaped slot, and the connecting sleeve can be screwed into the second external thread column towards the second external thread column to enable the upper portion of the connecting sleeve to be screwed on the second external thread column and the lower portion of the connecting sleeve to be screwed on the first external thread column.
4. The pretreatment device for soil and solid waste samples according to claim 3, wherein a plurality of rotating rods are fixedly arranged on the periphery of the connecting sleeve.
5. The pretreatment device for soil and solid waste samples according to claim 1 or 3, wherein a storage battery is fixedly arranged in the center of the top of the rotating disc, a control switch is arranged on the side part of the rotating disc, and the second motor is electrically connected with the storage battery through the control switch.
6. The soil and solid waste sample pretreatment apparatus of claim 1, wherein the placement tank is adapted to the bottom of the digestion tank.
7. The pretreatment device for soil and solid waste samples according to claim 1, wherein guide blocks are arranged on two sides of the pressing plate, guide grooves which are matched with each other are vertically formed in the inner sides of the left and right side frames of the corresponding frame plate, and the guide blocks are slidably arranged in the corresponding guide grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320252179.4U CN219714972U (en) | 2023-02-20 | 2023-02-20 | Soil and solid waste sample pretreatment device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320252179.4U CN219714972U (en) | 2023-02-20 | 2023-02-20 | Soil and solid waste sample pretreatment device |
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| CN219714972U true CN219714972U (en) | 2023-09-19 |
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| CN202320252179.4U Active CN219714972U (en) | 2023-02-20 | 2023-02-20 | Soil and solid waste sample pretreatment device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117647483A (en) * | 2023-11-20 | 2024-03-05 | 北京工商大学 | Visual turbidimetry detection device and detection method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117647483A (en) * | 2023-11-20 | 2024-03-05 | 北京工商大学 | Visual turbidimetry detection device and detection method thereof |
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