CN113758779A - Continuous dissolving system for soil detection - Google Patents
Continuous dissolving system for soil detection Download PDFInfo
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- CN113758779A CN113758779A CN202111188279.7A CN202111188279A CN113758779A CN 113758779 A CN113758779 A CN 113758779A CN 202111188279 A CN202111188279 A CN 202111188279A CN 113758779 A CN113758779 A CN 113758779A
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- 239000002689 soil Substances 0.000 title claims abstract description 55
- 238000001514 detection method Methods 0.000 title claims abstract description 27
- 230000007246 mechanism Effects 0.000 claims abstract description 45
- 239000007788 liquid Substances 0.000 claims abstract description 36
- 238000004090 dissolution Methods 0.000 claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 37
- 239000002893 slag Substances 0.000 claims description 22
- 238000003756 stirring Methods 0.000 claims description 22
- 239000012153 distilled water Substances 0.000 claims description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 10
- 230000000149 penetrating effect Effects 0.000 claims description 8
- 239000002985 plastic film Substances 0.000 claims description 8
- 229920006255 plastic film Polymers 0.000 claims description 8
- 239000002351 wastewater Substances 0.000 claims description 8
- 238000013016 damping Methods 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 238000012360 testing method Methods 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 230000006866 deterioration Effects 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 6
- 238000005070 sampling Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 230000035515 penetration Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000013441 quality evaluation Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/38—Diluting, dispersing or mixing samples
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a continuous dissolving system for soil detection, which comprises: the device comprises a workbench and a PLC (programmable logic controller), wherein a rotating mechanism, a connecting mechanism and a dissolving mechanism are arranged on the workbench, a rotating frame is arranged on the rotating mechanism, a sample bottle for containing a soil sample is placed on the upper part of the rotating frame, and a collecting bottle for containing a dissolving liquid is placed on the lower part of the rotating frame; according to the invention, through the arrangement of the sample bottle and the collecting bottle which are basically and completely sealed, before and after dissolution, the soil sample cannot be contacted with the air for a long time, so that the possibility of deterioration of the soil sample is reduced, and the detection accuracy is improved; a plurality of sample bottles and collection bottles can be stored at one time through the rotating mechanism and the rotating frame, the samples are taken from the sample bottles and transferred to the dissolving mechanism for dissolving, and then the dissolving solution is injected into the collection bottles; the whole operation is completely controlled and completed by the PLC controller, manual intervention is not needed, continuous automatic dissolution of a plurality of soil samples is realized, and the dissolution efficiency is improved.
Description
Technical Field
The invention relates to the technical field of soil detection, in particular to a continuous dissolving system for soil detection.
Background
Soil environment monitoring means that the environment quality (or pollution degree) and the change trend thereof are determined by measuring representative values of factors affecting the soil environment quality. Soil monitoring generally refers to soil environment monitoring, and generally comprises technical contents of distribution sampling, sample preparation, analysis methods, result characterization, data statistics, quality evaluation and the like.
During soil detection, a large number of soil samples are collected, and a plurality of samples are dissolved to obtain dissolved solution detection components; however, during dissolution, the samples need to be dissolved one by one, and manual operation is generally needed, so that a large amount of manpower is wasted; in the dissolving process, the soil sample is inevitably contacted with air for a long time to cause deterioration, so that data detection has errors; to this end, we propose a continuous dissolution system for soil testing.
Disclosure of Invention
The invention aims at the defects and provides a continuous dissolving system for soil detection, through the arrangement of a sample bottle and a collecting bottle which are basically and completely sealed, before and after dissolving, a soil sample cannot be contacted with air for a long time, the possibility of deterioration of the soil sample is reduced, and the detection accuracy is improved; sampling in a sample bottle, transferring the sample bottle to a dissolving mechanism for dissolving, and injecting a dissolving solution into a collecting bottle; the whole operation is controlled and completed by the PLC controller, manual intervention is not needed, continuous automatic dissolution of a plurality of soil samples is realized, the labor cost is saved, and the dissolution efficiency is improved; the soil sample dissolving liquid is automatically cleaned after each dissolution, so that the influence of the residual of the former soil sample dissolving liquid on the components of the latter soil sample dissolving liquid is avoided, the detection accuracy is improved, and the problems are solved.
The technical scheme of the invention is realized as follows:
the invention provides a continuous dissolving system for soil detection, which comprises: the device comprises a workbench and a PLC (programmable logic controller), wherein a rotating mechanism, a connecting mechanism and a dissolving mechanism are arranged on the workbench, a rotating frame is arranged on the rotating mechanism, a sample bottle for containing a soil sample is placed on the upper part of the rotating frame, and a collecting bottle for containing a dissolving liquid is placed on the lower part of the rotating frame;
the rotary mechanism comprises a stepping motor fixedly arranged at the bottom of the table top of the working table and a turntable bearing fixedly arranged at the top of the table top of the working table, a rotary plate is arranged at the upper part of the turntable bearing, a hexagonal prism is fixedly connected onto the rotary plate, an annular magnet sleeved outside the turntable bearing is embedded on the table top of the working table, and an output shaft of the stepping motor penetrates through the table top of the working table and is fixedly connected with the center of the bottom of the rotary plate;
the rotating frame comprises a bottom plate and a top plate which are fixedly connected together through a connecting column, a plurality of first placing holes which are arranged in an annular equal angle mode are formed in the bottom plate, second placing holes which correspond to the first placing holes in a one-to-one mode are formed in the top plate, a reserved groove is formed in the center of the bottom surface of the bottom plate, a hexagonal socket is formed in the reserved groove, and the hexagonal socket is sleeved on a hexagonal prism in a sliding mode;
the connecting mechanism comprises a supporting table fixedly connected to the workbench, a sliding groove is formed in the supporting table, a sliding seat is slidably mounted in the sliding groove, one end of the supporting table is fixedly connected with a first vertical plate, a horizontally arranged electric push rod is mounted on the first vertical plate, one end of a piston rod of the electric push rod is fixedly connected with one end of the sliding seat, a second vertical plate is fixedly connected to the sliding seat, and the middle of the upper end of one side of the second vertical plate is fixedly connected with a pneumatic clamping jaw for clamping a sample bottle through a first connecting rod; two groups of vertical parallel rails are fixedly installed on one side of the second vertical plate, sliding blocks are installed on the two groups of rails in a sliding mode, racks are fixedly connected to the opposite side faces of the two sliding blocks respectively, the upper portion of the side face of one rack is fixedly connected with an upper connector used for being communicated with a sample bottle through a second connecting rod, and the lower portion of the side face of the other rack is fixedly connected with a lower connector used for being communicated with a collecting bottle through a third connecting rod; a forward and reverse rotation motor is fixedly mounted on one side of the second vertical plate, a rotating shaft of the forward and reverse rotation motor penetrates through the second vertical plate and is fixedly connected with a gear, and two sides of the gear are respectively meshed with the two racks;
the dissolving mechanism comprises a tank body, the upper end of the tank body is communicated with the upper connector through a communicating pipe, and the lower part of one side of the tank body is communicated with the lower connector through a liquid outlet pipe; the end part of the liquid outlet pipe close to the tank body is provided with a liquid outlet electromagnetic valve, the bottom of the tank body is communicated with a vertical slag discharge pipe, the upper end of the slag discharge pipe is provided with a slag discharge electromagnetic valve, one side of the tank body is fixedly connected with a damping bearing through a connecting rod, a threaded column is arranged inside the damping bearing, a threaded hole and an arc-shaped hole taking the threaded hole as the circle center are arranged on the table surface of the workbench, the lower end of the threaded column is arranged in the threaded hole in a threaded manner, and the lower end of the slag discharge pipe penetrates through the arc-shaped hole;
a distilled water tank is arranged at the upper part of the workbench, a water pump is communicated with one side of the distilled water tank, and the outlet of the water pump is communicated with the upper connector through a water pipe;
the PLC controller is installed on the workbench, and the stepping motor, the electric push rod, the pneumatic clamping jaw, the forward and reverse rotating motor, the liquid outlet electromagnetic valve, the slag discharge electromagnetic valve and the water pump are controlled by the PLC controller.
Preferably, the sample bottle comprises a bottle body and a bottle cap, wherein the upper end of the bottle body is provided with an external thread, the inner part of the bottle cap is provided with an internal thread, the top of the bottle cap is provided with a through hole, a plastic film is arranged between the upper end of the bottle body and the bottle cap, and the outer side of the bottle body is fixedly connected with a convex ring; the sample bottle is placed in the second placing hole in an inverted mode.
Preferably, the collecting bottle comprises a bottle body and a threaded cover, the threaded cover is installed at the upper end of the bottle body in a threaded mode, an iron sheet attracted by the annular magnet is fixedly connected to the bottom of the bottle body, and the upper end of the threaded cover penetrates through the silica gel plug in a sealing mode.
Preferably, the first placing hole and the second placing hole are provided with six sets, and the single stepping angle of the stepping motor is 60 °.
Preferably, the ring magnet is provided with an electromagnet, and the ring magnet is controlled by the PLC controller.
Preferably, the upper connector comprises a first plate body and an outlet pipe, a through hole is formed in the first plate body, a needle tube is fixedly connected inside the through hole through a fixing column, the lower end of the through hole is connected with an outer tube in a sealing mode, one end of the outlet pipe penetrates through the outer tube and is communicated with the lower end of the needle tube, and the other end of the outlet pipe is communicated with one end of the water pipe; the lower end of the outer barrel is communicated with one end of the communicating pipe, and a rubber ring is fixedly bonded on the outer side of the upper end of the through hole.
Preferably, the lower connector comprises a second plate body, a penetrating needle cylinder and a breathable needle cylinder are fixedly arranged on the second plate body in a penetrating mode, and the penetrating needle cylinder is communicated with one end of the liquid outlet pipe.
Preferably, a stirring shaft is rotatably arranged in the tank body, a stirring motor for driving the stirring shaft is fixedly arranged at the top of the tank body, the upper part of the stirring shaft is fixedly connected with a stirring blade, and the lower part of the stirring shaft is fixedly connected with a spiral upturning blade; the top of the tank body is fixedly communicated with a vent pipe.
Preferably, one side of the workbench is provided with a storage tank, a drawable waste water tank is placed in the storage tank, and the waste water tank is arranged under the arc-shaped hole.
Preferably, the base plate is provided as a wear-resistant plastic base plate.
Compared with the prior art, the invention has the advantages and positive effects that:
1. according to the invention, through the arrangement of the sample bottle and the collecting bottle which are basically and completely sealed, before and after dissolution, the soil sample cannot be contacted with the air for a long time, so that the possibility of deterioration of the soil sample is reduced, and the accuracy of detection is improved;
2. according to the invention, a plurality of sample bottles and collection bottles can be stored at one time through the rotating mechanism and the rotating frame, automatic rotation is realized through the control of the PLC, the connecting mechanisms are respectively connected with the corresponding sample bottles and collection bottles, and a dissolving solution is injected into the collection bottles by sampling in the sample bottles and transferring to the dissolving mechanism for dissolving; the whole operation is controlled and completed by the PLC controller, manual intervention is not needed, continuous automatic dissolution of a plurality of soil samples is realized, the labor cost is saved, and the dissolution efficiency is improved;
3. according to the invention, the slag discharge pipe is arranged at the bottom of the tank body of the dissolving mechanism, after each dissolution, the PLC controls the water pump to pump distilled water, so that the dissolving mechanism and the connecting mechanism are automatically flushed and discharged, the influence of the residue of the former soil sample dissolving liquid on the components of the latter soil sample dissolving liquid is avoided, and the detection accuracy is improved;
4. according to the invention, through the design of the rotating frame, the pneumatic clamping jaw and the annular magnet, the sample bottle and the collecting bottle are convenient to automatically fix, and are convenient and fast to place and convenient to operate manually.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural view of a table in a continuous dissolution system for soil testing according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a coupling mechanism according to an embodiment of the present invention;
FIG. 3 is a schematic side view of a second vertical plate according to an embodiment of the invention;
fig. 4 is a schematic structural view of a rotating mechanism according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a turret according to an embodiment of the invention;
FIG. 6 is a schematic cross-sectional view of a turret according to an embodiment of the invention;
fig. 7 is a schematic structural diagram of an upper connector according to an embodiment of the invention;
fig. 8 is a schematic structural diagram of a lower connector according to an embodiment of the present invention;
FIG. 9 is a schematic view of the internal structure of a can body according to an embodiment of the invention;
FIG. 10 is a schematic diagram of a sample vial according to an embodiment of the present invention;
FIG. 11 is a schematic diagram of a collection bottle according to an embodiment of the present invention.
In the figure:
1. a sample bottle; 101. a bottle body; 102. an external thread; 103. a plastic film; 104. a bottle cap; 105. a through hole; 106. an internal thread; 107. a convex ring;
2. a collection bottle; 201. a bottle body; 202. iron sheets; 203. a threaded cap; 204. a silica gel plug;
3. a rotating frame; 301. a base plate; 302. a first placing hole; 303. connecting columns; 304. a top plate; 305. a second placing hole; 306. reserving a groove; 307. an inner hexagonal hole;
4. a work table; 401. a storage tank; 402. an arc-shaped hole; 403. a threaded hole;
5. a rotation mechanism; 501. a stepping motor; 502. a ring magnet; 503. a turntable bearing; 504. a rotating plate; 505. a hexagonal prism;
6. a connecting mechanism; 601. a support table; 602. a chute; 603. a slide base; 604. a first vertical plate; 605. an electric push rod; 606. a second vertical plate; 607. a positive and negative rotation motor; 608. a first connecting rod; 609. a pneumatic clamping jaw; 610. a second connecting rod; 611. an upper connector; 612. a third connecting rod; 613. a lower connector;
6061. a rack; 6062. a slider; 6063. a track; 6064. a gear;
6111. a first plate body; 6112. a rubber ring; 6113. fixing a column; 6114. a through hole; 6115. a needle tube; 6116. a lead-out pipe; 6117. an outer cylinder;
6131. a second plate body; 6132. penetrates through the needle cylinder; 6133. a breathable needle cylinder;
7. a dissolution mechanism; 701. a tank body; 702. a liquid outlet electromagnetic valve; 703. a liquid outlet pipe; 704. a deslagging electromagnetic valve; 705. a slag discharge pipe; 706. a communicating pipe; 707. a stirring motor; 708. a gas permeable pipe; 709. a stirring shaft; 710. stirring blades; 711. a connecting rod; 712. a damping bearing; 713. a threaded post; 714. spirally turning up the leaves;
8. a distilled water tank; 801. a water pump; 802. a water pipe.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
The invention is further described with reference to the following figures and specific examples.
Example 1
As shown in fig. 1 to 11, a continuous dissolving system for soil detection according to an embodiment of the present invention includes: the device comprises a workbench 4 and a PLC (programmable logic controller), wherein a rotating mechanism 5, a connecting mechanism 6 and a dissolving mechanism 7 are installed on the workbench 4, a rotating frame 3 is installed on the rotating mechanism 5, a sample bottle 1 for containing a soil sample is placed on the upper part of the rotating frame 3, and a collecting bottle 2 for containing a dissolving liquid is placed on the lower part of the rotating frame 3;
the rotating mechanism 5 comprises a stepping motor 501 fixedly arranged at the bottom of the table top of the workbench 4 and a turntable bearing 503 fixedly arranged at the top of the table top of the workbench 4, a rotating plate 504 is arranged at the upper part of the turntable bearing 503, a hexagonal prism 505 is fixedly connected to the rotating plate 504, an annular magnet 502 sleeved outside the turntable bearing 503 is embedded on the table top of the workbench 4, and an output shaft of the stepping motor 501 penetrates through the table top of the workbench 4 and is fixedly connected with the center of the bottom of the rotating plate 504;
the rotating frame 3 comprises a bottom plate 301 and a top plate 304 which are fixedly connected together through a connecting column 303, a plurality of first placing holes 302 which are arranged in an annular equal angle mode are formed in the bottom plate 301, second placing holes 305 which correspond to the first placing holes 302 one by one are formed in the top plate 304, a reserved groove 306 is formed in the center of the bottom surface of the bottom plate 301, a hexagon socket 307 is formed in the reserved groove 306, and the hexagon socket 307 is sleeved on a hexagonal prism 505 in a sliding mode;
the connecting mechanism 6 comprises a supporting platform 601 fixedly connected to the workbench 4, a sliding groove 602 is formed in the supporting platform 601, a sliding seat 603 is slidably mounted in the sliding groove 602, a first vertical plate 604 is fixedly connected to one end of the supporting platform 601, an electric push rod 605 horizontally arranged is mounted on the first vertical plate 604, one end of a piston rod of the electric push rod 605 is fixedly connected to one end of the sliding seat 603, a second vertical plate 606 is fixedly connected to the sliding seat 603, and a pneumatic clamping jaw 609 for clamping the sample bottle 1 is fixedly connected to the middle of the upper end of one side of the second vertical plate 606 through a first connecting rod 608; two groups of vertical and parallel rails 6063 are fixedly installed on one side of the second vertical plate 606, sliding blocks 6062 are installed on the two groups of rails 6063 in a sliding manner, two opposite side surfaces of the two sliding blocks 6062 are fixedly connected with racks 6061 respectively, the upper part of the side surface of one rack 6061 is fixedly connected with an upper connector 611 used for being communicated with the sample bottle 1 through a second connecting rod 610, and the lower part of the side surface of the other rack 6061 is fixedly connected with a lower connector 613 used for being communicated with the collection bottle 2 through a third connecting rod 612; a forward and reverse rotating motor 607 is fixedly installed on one side of the second vertical plate 606, a rotating shaft of the forward and reverse rotating motor 607 penetrates through the second vertical plate 606 and is fixedly connected with a gear 6064, and two sides of the gear 6064 are respectively engaged with two racks 6061;
the dissolving mechanism 7 comprises a tank body 701, the upper end of the tank body 701 is communicated with an upper connector 611 through a communicating pipe 706, and the lower part of one side of the tank body 701 is communicated with a lower connector 613 through a liquid outlet pipe 703; a liquid outlet electromagnetic valve 702 is mounted at the end part of the liquid outlet pipe 703 close to the tank body 701, a vertical slag discharge pipe 705 is communicated with the bottom of the tank body 701, a slag discharge electromagnetic valve 704 is mounted at the upper end of the slag discharge pipe 705, a damping bearing 712 is fixedly connected to one side of the tank body 701 through a connecting rod 711, a threaded column 713 is mounted inside the damping bearing 712, a threaded hole 403 and an arc-shaped hole 402 with the threaded hole 403 as the center are formed in the table top of the workbench 4, the lower end of the threaded column 713 is mounted in the threaded hole 403 in a threaded manner, and the lower end of the slag discharge pipe 705 penetrates through the arc-shaped hole 402;
a distilled water tank 8 is arranged at the upper part of the workbench 4, a water pump 801 is communicated with one side of the distilled water tank 8, and the outlet of the water pump 801 is communicated with an upper connector 611 through a water pipe 802;
the PLC controller is arranged on the workbench 4, and the stepping motor 501, the electric push rod 605, the pneumatic clamping jaw 609, the forward and reverse rotation motor 607, the liquid outlet electromagnetic valve 702, the slag discharge electromagnetic valve 704 and the water pump 801 are all controlled by the PLC controller.
As shown in fig. 10, the sample bottle 1 includes a bottle body 101 and a bottle cap 104, wherein the upper end of the bottle body 101 is provided with an external thread 102, the inner part of the bottle cap 104 is provided with an internal thread 106, the top of the bottle cap 104 is provided with a through hole 105, a plastic film 103 is arranged between the upper end of the bottle body 101 and the bottle cap 104, and the outer side of the bottle body 101 is fixedly connected with a convex ring 107; the sample bottle 1 is placed in the second placing hole 305 in an inverted state. When the bottle is implemented, soil is filled in the bottle body 101, then the plastic film 103 is covered, the bottle cap 104 is mounted, the plastic film 103 plays a role in sealing and can be easily punctured, and the through hole 105 is convenient for the needle tube 6115 of the upper connecting head 611 to penetrate through and puncture the plastic film 103.
As shown in fig. 11, the collection bottle 2 comprises a bottle body 201 and a screw cap 203, the screw cap 203 is screwed on the upper end of the bottle body 201, an iron sheet 202 attracted by a ring magnet 502 is fixedly connected to the bottom of the bottle body 201, and a silicone plug 204 is hermetically mounted on the upper end of the screw cap 203. Wherein the silicone plug 204 facilitates the penetration of the penetrating syringe 6132 and the air-permeable syringe 6133 in the lower connector 613; the iron sheet 202 is convenient for the bottom of the bottle body 201 to be attracted to the annular magnet 502, so that the bottle body 201 is more stably fixed, and the bottle body 201 cannot be taken up when being pulled out to penetrate through the needle cylinder 6132 and the air-permeable needle cylinder 6133.
In practice, as shown in fig. 5, the first placing holes 302 and the second placing holes 305 are each provided with six sets, and the single step angle of the stepping motor 501 is 60 °. The stepper motor 501 can transfer a set of sample vials 1 and collection vials 2 once per step.
Specifically, the ring magnet 502 is provided as an electromagnet, and the ring magnet 502 is controlled by a PLC controller. By this arrangement, the magnetic properties of the ring magnet 502 can be switched off by operation, which facilitates the handling of the collection bottle 2.
As shown in fig. 7, the upper connector 611 includes a first plate body 6111 and an outlet tube 6116, a through hole 6114 is formed in the first plate body 6111, a needle tube 6115 is fixedly connected to the inside of the through hole 6114 through a fixing column 6113, the lower end of the through hole 6114 is hermetically connected with an outer tube 6117, one end of the outlet tube 6116 penetrates through the outer tube 6117 and is communicated with the lower end of the needle tube 6115, and the other end of the outlet tube 6116 is communicated with one end of the water tube 802; the lower end of the outer cylinder 6117 is communicated with one end of the communication pipe 706, and the outer side of the upper end of the through hole 6114 is fixedly bonded with a rubber ring 6112. The upper connector 611 is used for being connected with the sample bottle 1, and the rubber ring 6112 can play a role in sealing under the action of pressure.
As shown in fig. 8, the lower connector 613 includes a second plate 6131, a penetration needle cylinder 6132 and a gas-permeable needle cylinder 6133 are fixed on the second plate 6131, and the penetration needle cylinder 6132 is communicated with one end of the liquid outlet pipe 703. Wherein, the lower connector 613 is used for connecting with the collecting bottle 2, and the air-permeable needle cylinder 6133 is used for ventilation, so that the collecting bottle 2 keeps the balance of internal and external air pressure when injecting the solution.
As shown in fig. 9, a stirring shaft 709 is rotatably installed inside the tank 701, a stirring motor 707 for driving the stirring shaft 709 is fixedly installed at the top of the tank 701, a stirring blade 710 is fixedly connected to the upper part of the stirring shaft 709, and a spiral upturned blade 714 is fixedly connected to the lower part of the stirring shaft 709; the top of the tank body 701 is fixedly communicated with a vent pipe 708. In practice, the level of the tank 701 is set between the sample bottle 1 and the collection bottle 2, the liquid in the sample bottle 1 can flow into the tank 701, and the liquid in the tank 701 can flow into the collection bottle 2.
Specifically, when implementing, one side of workstation 4 is provided with storing groove 401, and the waste water tank that can the pull has been placed to storing groove 401's inside, and this waste water tank sets up under arc hole 402, and the waste water tank is used for collecting the interior exhaust mud sediment of scum pipe 705 and washing waste water. The base plate 301 is provided as a wear resistant plastic base plate.
For the convenience of understanding the technical solutions of the present invention, the following detailed description will be made on the working principle or the operation mode of the present invention in the practical process.
In practical application, the working process of the invention comprises the following steps:
s1, loading soil samples into the sample bottles 1, placing the sample bottles 1 in the second placing holes 305 upside down, and supporting the sample bottles 1 on the top plate 304 through the convex rings 107; then the collection bottle 2 is placed in the first placing hole 302, and the collection bottle 2 is fixed by the annular magnet 502 in an attracting way;
s2, the electric push rod 605 pushes the sliding seat 603 to move, so that the pneumatic clamping jaw 609 is positioned outside the lower end of the sample bottle 1, the upper connector 611 is positioned right below the lower end of the sample bottle 1, and the lower connector 613 is positioned right above the upper end of the collection bottle 2;
s3, starting the pneumatic clamping jaw 609 to clamp the sample bottle 1, driving the upper connector 611 to move upwards through the forward and reverse rotating motor 607, and driving the lower connector 613 to move downwards; the upper connector 611 pierces the bottom of the sample vial 1 and the lower connector 613 pierces the top of the collection vial 2;
s4, starting a water pump 801 (water pressurization), injecting distilled water into the needle tube 6115 through the water tube 802, enabling the distilled water to enter the sample bottle 1 to impact with a soil sample, dispersing the soil, and bursting the plastic film 103, enabling the soil fusion liquid to flow into the tank body 701 from the outer tube 6117 and the communicating tube 706, closing the water pump 801, and then stirring and dissolving;
s5, standing for a period of time (3-5 minutes) after the dissolution is finished, then opening the liquid outlet electromagnetic valve 702, and enabling the dissolved solution to flow into the collecting bottle 2;
s6, closing the liquid outlet electromagnetic valve 702, opening the slag discharge electromagnetic valve 704, discharging the sludge from the slag discharge pipe 705, starting the water pump 801 again for flushing, then closing the slag discharge electromagnetic valve 704, filling part of distilled water into the tank body 701, then opening the liquid outlet electromagnetic valve 702 again, flushing the subsequent pipeline of the liquid outlet electromagnetic valve 702, injecting the part of the distilled water into the collecting bottle 2, and then closing the liquid outlet electromagnetic valve 702;
s7, pulling out the upper connector 611 and the lower connector 613 by driving of the forward and reverse rotating motor 607, closing the pneumatic clamping jaw 609, loosening the sample bottle 1, retracting the electric push rod 605, rotating and stepping the stepping motor 501 once to perform next sample dissolving operation, and circulating the steps.
In conclusion, by the arrangement of the sample bottle 1 and the collecting bottle 2 which are basically and completely sealed, the soil sample can not be contacted with the air for a long time before and after dissolution, the possibility of deterioration of the soil sample is reduced, and the accuracy of detection is improved; a plurality of sample bottles 1 and collection bottles 2 can be stored at one time through a rotating mechanism 5 and a rotating frame 3, automatic rotation is realized through control of a PLC (programmable logic controller), the sample bottles 1 and the collection bottles 2 are respectively connected with the corresponding sample bottles 1 and the corresponding collection bottles 2 through a connecting mechanism 6, sampling is carried out in the sample bottles 1, the sample bottles are transferred to a dissolving mechanism 7 to be dissolved, and then a dissolving solution is injected into the collection bottles 2; the whole operation is controlled and completed by the PLC controller, manual intervention is not needed, continuous automatic dissolution of a plurality of soil samples is realized, the labor cost is saved, and the dissolution efficiency is improved; the bottom of the tank body 701 of the dissolving mechanism 7 is provided with a slag discharge pipe 705, after each dissolution, the PLC controls the water pump 801 to pump distilled water, and the dissolving mechanism 7 and the connecting mechanism 6 are automatically washed to discharge slag, so that the influence of the residue of the former soil sample dissolving liquid on the components of the latter soil sample dissolving liquid is avoided, and the detection accuracy is improved; according to the invention, through the design of the rotating frame 3, the pneumatic clamping jaw 609 and the annular magnet 502, the sample bottle 1 and the collection bottle 2 are convenient to automatically fix, and are convenient and fast to place and convenient to operate manually.
The present invention can be easily implemented by those skilled in the art from the above detailed description. It should be understood, however, that the intention is not to limit the invention to the particular embodiments described. On the basis of the disclosed embodiments, a person skilled in the art can combine different technical features at will, thereby implementing different technical solutions.
Claims (10)
1. A continuous dissolution system for soil testing, comprising:
workstation (4) and PLC controller, install rotary mechanism (5), coupling mechanism (6) and dissolve mechanism (7) on workstation (4), install swivel mount (3) on rotary mechanism (5), sample bottle (1) that are used for splendid attire soil sample are placed on the upper portion of swivel mount (3), and collecting bottle (2) that are used for the splendid attire to dissolve liquid are placed to the lower part of swivel mount (3).
2. The continuous dissolving system for soil detection according to claim 1, wherein the rotating mechanism (5) comprises a stepping motor (501) fixedly installed at the bottom of the table top of the working table (4) and a turntable bearing (503) fixedly installed at the top of the table top of the working table (4), a rotating plate (504) is installed at the upper part of the turntable bearing (503), a hexagonal prism (505) is fixedly connected to the rotating plate (504), a ring-shaped magnet (502) sleeved outside the turntable bearing (503) is embedded on the table top of the working table (4), and an output shaft of the stepping motor (501) penetrates through the table top of the working table (4) and is fixedly connected with the center of the bottom of the rotating plate (504);
the rotating frame (3) comprises a bottom plate (301) and a top plate (304) which are fixedly connected together through a connecting column (303), a plurality of first annular equal-angle-arranged placing holes (302) are formed in the bottom plate (301), second placing holes (305) which correspond to the first placing holes (302) in a one-to-one mode are formed in the top plate (304), a reserved groove (306) is formed in the center of the bottom surface of the bottom plate (301), an inner hexagonal hole (307) is formed in the reserved groove (306), and the inner hexagonal hole (307) is sleeved on a hexagonal prism (505) in a sliding mode;
the connecting mechanism (6) comprises a supporting table (601) fixedly connected to the workbench (4), a sliding groove (602) is formed in the supporting table (601), a sliding seat (603) is arranged in the sliding groove (602) in a sliding manner, a first vertical plate (604) is fixedly connected to one end of the supporting table (601), an electric push rod (605) horizontally arranged is mounted on the first vertical plate (604), one end of a piston rod of the electric push rod (605) is fixedly connected with one end of the sliding seat (603), a second vertical plate (606) is fixedly connected to the sliding seat (603), and a pneumatic clamping jaw (609) used for clamping a sample bottle (1) is fixedly connected to the middle of the upper end of one side of the second vertical plate (606) through a first connecting rod (608); two groups of vertical parallel rails (6063) are fixedly installed on one side of the second vertical plate (606), sliding blocks (6062) are installed on the two groups of rails (6063) in a sliding mode, two opposite side faces of the two sliding blocks (6062) are fixedly connected with racks (6061) respectively, the upper portion of one side face of one rack (6061) is fixedly connected with an upper connecting head (611) used for being communicated with the sample bottle (1) through a second connecting rod (610), and the lower portion of the side face of the other rack (6061) is fixedly connected with a lower connecting head (613) used for being communicated with the collecting bottle (2) through a third connecting rod (612); a forward and reverse rotating motor (607) is fixedly mounted on one side of the second vertical plate (606), a rotating shaft of the forward and reverse rotating motor (607) penetrates through the second vertical plate (606) and is fixedly connected with a gear (6064), and two sides of the gear (6064) are respectively meshed with two racks (6061);
the dissolving mechanism (7) comprises a tank body (701), the upper end of the tank body (701) is communicated with an upper connector (611) through a communicating pipe (706), and the lower part of one side of the tank body (701) is communicated with a lower connector (613) through a liquid outlet pipe (703); a liquid outlet electromagnetic valve (702) is mounted at the end part of the liquid outlet pipe (703) close to the tank body (701), a vertical slag discharge pipe (705) is communicated with the bottom of the tank body (701), a slag discharge electromagnetic valve (704) is mounted at the upper end of the slag discharge pipe (705), a damping bearing (712) is fixedly connected to one side of the tank body (701) through a connecting rod (711), a threaded column (713) is mounted inside the damping bearing (712), a threaded hole (403) and an arc-shaped hole (402) with the threaded hole (403) as the center are formed in the table top of the workbench (4), the lower end of the threaded column (713) is mounted in the threaded hole (403), and the lower end of the slag discharge pipe (705) penetrates through the arc-shaped hole (402);
a distilled water tank (8) is mounted at the upper part of the workbench (4), a water pump (801) is communicated with one side of the distilled water tank (8), and an outlet of the water pump (801) is communicated with the upper connector (611) through a water pipe (802);
the PLC is arranged on a workbench (4), and the stepping motor (501), the electric push rod (605), the pneumatic clamping jaw (609), the forward and reverse rotation motor (607), the liquid outlet electromagnetic valve (702), the slag discharge electromagnetic valve (704) and the water pump (801) are controlled by the PLC;
the sample bottle (1) comprises a bottle body (101) and a bottle cap (104), wherein an external thread (102) is arranged at the upper end of the bottle body (101), an internal thread (106) is arranged inside the bottle cap (104), a through hole (105) is formed in the top of the bottle cap (104), a plastic film (103) is arranged between the upper end of the bottle body (101) and the bottle cap (104), and a convex ring (107) is fixedly connected to the outer side of the bottle body (101); the sample bottle (1) is placed in the second placing hole (305) in an inverted state.
3. The continuous dissolving system for soil detection according to claim 2, wherein the collecting bottle (2) comprises a bottle body (201) and a threaded cover (203), the threaded cover (203) is installed at the upper end of the bottle body (201) in a threaded manner, an iron sheet (202) attracted by an annular magnet (502) is fixedly connected to the bottom of the bottle body (201), and a silica gel plug (204) is installed at the upper end of the threaded cover (203) in a penetrating and sealing manner.
4. A continuous dissolution system for soil detection according to claim 3, wherein the first placement hole (302) and the second placement hole (305) are each provided with six sets, and the single step angle of the stepper motor (501) is 60 °.
5. The continuous dissolving system for soil detection as claimed in claim 2, wherein the ring magnet (502) is provided as an electromagnet, and the ring magnet (502) is controlled by the PLC controller.
6. The continuous dissolving system for soil detection according to claim 2, wherein the upper connector (611) comprises a first plate body (6111) and an outlet pipe (6116), a through hole (6114) is formed in the first plate body (6111), a needle tube (6115) is fixedly connected to the inside of the through hole (6114) through a fixing column (6113), the lower end of the through hole (6114) is connected with an outer tube (6117) in a sealing manner, one end of the outlet pipe (6116) penetrates through the outer tube (6117) and is communicated with the lower end of the needle tube (6115), and the other end of the outlet pipe (6116) is communicated with one end of the water tube (802); the lower end of the outer cylinder (6117) is communicated with one end of a communicating pipe (706), and a rubber ring (6112) is fixedly bonded on the outer side of the upper end of the through hole (6114).
7. The continuous dissolving system for soil detection according to claim 6, wherein the lower connector (613) comprises a second plate body (6131), a penetrating needle cylinder (6132) and a breathable needle cylinder (6133) are fixed on the second plate body (6131) in a penetrating manner, and the penetrating needle cylinder (6132) is communicated with one end of the liquid outlet pipe (703).
8. The continuous dissolving system for soil detection according to claim 2, wherein a stirring shaft (709) is rotatably installed inside the tank body (701), a stirring motor (707) for driving the stirring shaft (709) is fixedly installed at the top of the tank body (701), the upper part of the stirring shaft (709) is fixedly connected with a stirring blade (710), and the lower part of the stirring shaft (709) is fixedly connected with a spiral upturned blade (714); the top of the tank body (701) is fixedly communicated with a vent pipe (708).
9. The continuous dissolving system for soil detection according to claim 2, wherein a storage groove (401) is arranged on one side of the workbench (4), a drawable waste water tank is placed inside the storage groove (401), and the waste water tank is arranged right below the arc-shaped hole (402).
10. A continuous dissolving system for soil detection according to claim 2, characterised in that the bottom plate (301) is provided as a wear resistant plastic bottom plate.
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