CN211247742U

CN211247742U - Chemical leaching device for heavy metal contaminated soil

Info

Publication number: CN211247742U
Application number: CN201920646006.4U
Authority: CN
Inventors: 秦建桥; 凡宸; 黄涛; 汪涛
Original assignee: Shenzhen Ziyoudu Environmental Protection Technology Co ltd
Current assignee: Shenzhen Ziyoudu Environmental Protection Technology Co ltd
Priority date: 2019-05-07
Filing date: 2019-05-07
Publication date: 2020-08-14
Anticipated expiration: 2029-05-07

Abstract

The utility model relates to the technical field of soil leaching accessories, in particular to a chemical leaching device for heavy metal contaminated soil, wherein the solute and the solvent in the washing liquid can be mixed uniformly, thereby improving the use reliability and the practicability; the device comprises a working box and four groups of trundles, wherein a working cavity is arranged in the working box, the top of the working box is communicated with a feeding hole, a feeding cover is screwed at the feeding hole, the rear side of the working box is communicated with a maintenance hole, a maintenance cover is screwed at the maintenance hole, a liquid discharge pump is hermetically communicated below the right side of the working box, a liquid discharge valve is arranged at the liquid discharge pump, and the output end of the liquid discharge pump is hermetically communicated with a communicating hose; the spiral-rod-type stirring device comprises a spiral pipe, a spiral rod, a stirring blade and a moving block, wherein the top end of the spiral rod is fixedly provided with a rotating sheet, the bottom end of the moving block is provided with a rotating groove, the spiral-rod-type stirring device further comprises two groups of reset springs, two groups of connecting plates and two groups of limiting rods, and the spiral-rod-type stirring device further comprises a pillar, a lever and a.

Description

Chemical leaching device for heavy metal contaminated soil

Technical Field

The utility model relates to a soil drip washing auxiliary device's technical field especially relates to a chemical drip washing device of heavy metal contaminated soil.

Background

As is well known, a chemical leaching device for heavy metal contaminated soil is an auxiliary device which is used in the treatment process of heavy metal contaminated soil, injects or permeates flushing liquid into the soil, enables the flushing liquid to flow through a soil layer to be treated, resolves pollutants in the soil, and enables the soil to be more healthy and environment-friendly, and is widely used in the field of soil leaching; the existing chemical leaching device for heavy metal contaminated soil comprises a working box and four groups of trundles, wherein the top ends of the four groups of trundles are respectively arranged on the left front side, the right front side, the left rear side and the right rear side of the bottom end of the working box; when the existing chemical leaching device for heavy metal contaminated soil is used, washing liquid solute and a solvent are led into a working box through a feeding hole to be kept stand and mixed, the working box is pushed to a proper position, the washing liquid solute and the solvent are conveyed through a liquid discharge pump and sprayed through a communicating hose, the liquid discharge pump is a common electric device in the market, and the washing liquid solute and the solvent can be used only by being electrically connected according to a purchased instruction when being bought for use, so that the details are not repeated; the existing chemical leaching device for heavy metal contaminated soil is found in use, and the solute and the solvent in the flushing fluid cannot be mixed uniformly conveniently, so that the use reliability is poor, and the practicability is low.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a solute in its flush fluid can conveniently carry out the misce bene with the solvent, improves its use reliability, improves the chemical drip washing device of the heavy metal contaminated soil of practicality.

The utility model discloses a chemical drip washing device of heavy metal contaminated soil, including work box and four groups of truckles, be provided with the working chamber in the work box, the work box top intercommunication is provided with the feed inlet, and the spiral shell is equipped with the feed cover at feed inlet department, the rear side intercommunication of work box is provided with the maintenance mouth, and the spiral shell is equipped with the maintenance lid at the maintenance mouth, the sealed intercommunication of work box right side below has the flowing back pump, and be provided with the flowing back valve at the flowing back pump, the sealed intercommunication of flowing back pump output has the intercommunication hose; the spiral pipe is welded on the top end of the feeding cover in a sealing way, the spiral pipe is communicated with the top end of the feeding cover, the bottom end of the spiral pipe is screwed into the top end of the spiral pipe and is screwed into the working cavity to be connected with the stirring blade, the top end of the spiral pipe is fixedly provided with a rotating sheet, the bottom end of the moving block is provided with a rotating groove, the rotating sheet is positioned in the rotating groove and can rotate relative to the rotating groove, the spiral pipe feeding device also comprises two groups of reset springs, the top ends of the two groups of reset springs are respectively arranged on the left side and the right side of the bottom end of the moving block, the bottom ends of the two groups of reset springs are both arranged on the top end of the feeding cover, the spiral pipe feeding device also comprises two groups of connecting plates and two groups of limiting rods, the two groups of connecting plates are respectively arranged on the front side and the rear side of the right half area of the top end of the, the device comprises a moving block, a lever and a pressing handle, wherein the moving block is arranged on the top end of the moving block, the left end of the lever is connected to the top end of the moving block through a shaft, the pressing handle is arranged at the right end of the lever, the lever is arranged between two sets of connecting plates, and the lever is arranged between two sets of limiting rods.

The utility model discloses a chemistry drip washing device of heavy metal contaminated soil, still include two sets of fixed blocks, the filter, the handle, link and lead screw, the bottom side of two sets of fixed blocks, front side and rear side respectively with the work box in the bottom side wall, interior preceding lateral wall and interior back lateral wall contact, the lateral wall of two sets of fixed blocks respectively with the work box in the left and right sides wall contact, it is provided with the standing groove to be located left fixed block top, and rotatable fixed ball bearing that is provided with in the standing groove, rotatable the fixing of handle is on the link top, the lead screw top is connected with the link bottom, the lead screw bottom passes work box top lateral wall left half region and stretches into to the work box inside, inside lead screw bottom plug-in card to ball bearing.

The utility model discloses a chemistry drip washing device of heavy metal contaminated soil still includes the locating lever, and feeding caping lateral wall right side is provided with logical groove to leading to the rotatable bearing group that is fixed with in logical inslot portion, the locating lever bottom is passed the bearing group and is stretched into and be connected to the fixed block top on work box inside and be located the right side, and the locating lever top is provided with spacing piece.

The utility model discloses a chemistry drip washing device of heavy metal contaminated soil, spacing piece bottom and the right half regional two sets of iron sheets that all are provided with of work box top lateral wall still include two sets of branches, and both ends all are provided with the magnet piece at the bottom of two sets of branches tops, and convenient the absorption in two sets of iron sheet departments of four group's magnet piece.

The utility model discloses a chemical drip washing device of heavy metal contaminated soil, still include two sets of jump rings and two sets of stoppers, two sets of fixed block inboards all are provided with the spacing groove, the one end of two sets of jump rings is connected with two sets of spacing grooves respectively, the other end of two sets of jump rings is connected with two sets of stoppers respectively, the filter clamps between two sets of stoppers, filter left end and right-hand member are located two sets of spacing inslot portions respectively, and filter left side top and bottom and filter right side top and bottom contact with two sets of spacing inslot inside walls respectively, lateral wall and back lateral wall all contact with the work intracavity lateral wall before the filter, lateral wall and work intracavity bottom wall contact at the bottom of.

The utility model discloses a chemistry drip washing device of heavy metal contaminated soil still includes clamp splice and torque spring, and the clamp splice passes through torque spring to be installed in work box front side top, and the clamp splice pastes tight work box front side, and the intercommunication hose output clamps between clamp splice and work box front side.

The utility model discloses a chemical drip washing device of heavy metal contaminated soil still includes two sets of support frames, a supporting bench and two sets of baffles, and the bottom of two sets of support frames is installed respectively in a supporting bench top left and right sides, and the top of two sets of support frames all is connected with the bottom of the work box, and both sides around a supporting bench top are installed respectively to two sets of baffles.

The utility model discloses a chemical drip washing device of heavy metal contaminated soil, still include the bradyseism pole on four groups, bradyseism pole under four groups bradyseism springs of group and four groups, bradyseism pole on four groups is installed respectively in work box bottom left front side, right front side, left rear side and right rear side, the one end of four groups bradyseism springs of group is connected with bradyseism pole on four groups respectively, the other end of four groups bradyseism springs of group is connected with four groups lower bradyseism poles respectively, four groups of truckles are rotatable the below of installing bradyseism pole under four groups respectively, still include four groups of mounts, four groups of mounts are the suit respectively at four groups lower bradyseism pole lateral walls, and four groups of mounts tops respectively with work box bottom left front side, right front side, left rear side and right rear side are connected.

The utility model discloses a chemical drip washing device of heavy metal contaminated soil still includes four group's screw thread post, four group's screw thread circle and four group's weight, and four group's screw thread circles are installed respectively at work box left side the place ahead and rear and work box right side the place ahead and rear, and the bottom of four group's screw thread post spiral shell dress respectively to four group's screw thread circle tops inside and spiral shell go out respectively to four group's screw thread circle below and four group's weight are connected, and four group's screw thread post tops all are provided with the knob.

Compared with the prior art, the beneficial effects of the utility model are that: it can be through the handheld handle that presses of staff, the longitudinal movement who presses the handle and then make the movable block longitudinal movement under the spacing of two sets of connecting plates and two sets of gag lever posts, make spiral pipe and hob cooperate, can make stirring leaf longitudinal movement's in-process rotate the stirring at the design of rotating the inslot internal rotation through the rotor plate, solute and solvent in the messenger flush fluid can conveniently carry out the misce bene, improve its service reliability, the high practicality, two sets of reset spring's elasticity makes the movable block conveniently move down automatically when no external force effect, and is more laborsaving, when setting up, press the gag lever post interval of being longer than the pillar with the gag lever post interval that is located the below, and is more laborsaving.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic structural view of the connection between the connecting plate and the limiting rod;

FIG. 3 is a schematic structural diagram of the connection of the positioning rod, the iron sheet, the supporting rod and the magnet sheet;

FIG. 4 is an enlarged partial view of portion A of FIG. 1;

FIG. 5 is an enlarged view of part B of FIG. 1;

in the drawings, the reference numbers: 1. a work box; 2. a caster wheel; 3. a feeding cover; 4. a maintenance cover; 5. a liquid discharge pump; 6. a communication hose; 7. a spiral tube; 8. a screw rod; 9. stirring blades; 10. a moving block; 11. a rotating sheet; 12. a return spring; 13. a connecting plate; 14. a limiting rod; 15. a pillar; 16. a lever; 17. pressing the handle; 18. a fixed block; 19. a filter plate; 20. a handle; 21. a connecting frame; 22. a lead screw; 23. positioning a rod; 24. a limiting sheet; 25. iron sheets; 26. a strut; 27. magnet pieces; 28. a limiting block; 29. a clamping block; 30. a support frame; 31. a support table; 32. a baffle plate; 33. a cushioning spring; 34. a fixed mount; 35. a threaded post; 36. a thread ring; 37. a weighting block; 38. a knob.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in fig. 1 to 5, the chemical leaching device for heavy metal contaminated soil of the present invention comprises a working box 1 and four sets of casters 2, wherein a working chamber is arranged in the working box 1, the top of the working box 1 is provided with a feed inlet, a feed cover 3 is screwed at the feed inlet, the rear side of the working box 1 is provided with a maintenance port, a maintenance cover 4 is screwed at the maintenance port, a drainage pump 5 is hermetically communicated below the right side of the working box 1, a drainage valve is arranged at the drainage pump 5, and the output end of the drainage pump 5 is hermetically communicated with a communication hose 6; the spiral pipe 7 is welded at the top end of the feeding cover 3 in a sealing way, the spiral pipe 7 is communicated with the top end of the feeding cover 3, the bottom end of the spiral pipe 8 is screwed into the top end of the spiral pipe 7 and is connected with the stirring blade 9 in a screwing way, the top end of the spiral pipe 8 is fixedly provided with a rotating plate 11, the bottom end of the moving block 10 is provided with a rotating groove, the rotating plate 11 is positioned in the rotating groove, and the rotating plate 11 can rotate relative to the rotating groove, the spiral pipe further comprises two groups of reset springs 12, the top ends of the two groups of reset springs 12 are respectively arranged at the left side and the right side of the bottom end of the moving block 10, the bottom ends of the two groups of reset springs 12 are respectively arranged at the top end of the feeding cover 3, the spiral pipe further comprises two groups of connecting plates 13 and two groups of limiting rods 14, the two groups of connecting plates 13 are respectively arranged at the front side and the rear side of the right, the rear ends of the two groups of limiting rods 14 are respectively arranged above and below the front side of the connecting plate 13 positioned on the rear side, the device also comprises a support post 15, a lever 16 and a pressing handle 17, the support post 15 is arranged at the top end of the moving block 10, the left end of the lever 16 is in shaft connection with the top end of the support post 15, the pressing handle 17 is arranged at the right end of the lever 16, the lever 16 is arranged between the two groups of connecting plates 13, and the lever 16 is arranged between the two groups of limiting rods 14; it can be through the handheld handle that presses of staff, the longitudinal movement who presses the handle and then make the movable block longitudinal movement under the spacing of two sets of connecting plates and two sets of gag lever posts, make spiral pipe and hob cooperate, can make stirring leaf longitudinal movement's in-process rotate the stirring at the design of rotating the inslot internal rotation through the rotor plate, solute and solvent in the messenger flush fluid can conveniently carry out the misce bene, improve its service reliability, the high practicality, two sets of reset spring's elasticity makes the movable block conveniently move down automatically when no external force effect, and is more laborsaving, when setting up, press the gag lever post interval of being longer than the pillar with the gag lever post interval that is located the below, and is more laborsaving.

The utility model discloses a chemical drip washing device of heavy metal contaminated soil, still include two sets of fixed blocks 18, filter 19, handle 20, link 21 and lead screw 22, the bottom side of two sets of fixed blocks 18, front side and rear side contact with the bottom wall in the work box 1 respectively, interior front side wall and interior rear side wall, the lateral wall of two sets of fixed blocks 18 contacts with the left and right sides wall in the work box 1 respectively, it is provided with the standing groove to be located left fixed block 18 top, and rotatable fixed ball bearing that is provided with in the standing groove, handle 20 rotatable fixing is on the top of link 21, the lead screw 22 top is connected with link 21 bottom, the lead screw 22 bottom passes the work box 1 and pushes up the left half region of lateral wall and stretches into the work box 1 inside, the lead screw 22 bottom is inserted card to the ball bearing inside; it can shift up and then promote the solute that does not dissolve so that the naked eye observes from feed inlet department through the filter, and the manual handle that rotates makes its lead screw that drives on the link rotate to drive the filter and carry out longitudinal movement, but the design of handle rotation makes the lead screw rotate more laborsavingly, and solute and solvent mixing degree can conveniently be observed.

The utility model discloses a chemical drip washing device of heavy metal contaminated soil, still include locating lever 23, the side wall right side of feed cover 3 top is provided with the through groove, and can rotate to be fixed with the bearing group in the through groove inside, the locating lever 23 bottom passes the bearing group and stretches into the work box 1 inside and is connected with the fixed block 18 top that is located the right side, the locating lever 23 top is provided with spacing piece 24; the filter plate can only longitudinally move without rotating through the transverse positioning of the positioning rod, and the bearing set assists the positioning rod to longitudinally slide more smoothly.

The utility model discloses a chemical drip washing device of heavy metal contaminated soil, the right half region of spacing piece 24 bottom and work box 1 top side wall all is provided with two sets of iron sheets 25, still includes two sets of branches 26, and two ends of two sets of branches 26 top and bottom all are provided with magnet piece 27, and four sets of magnet piece 27 conveniently adsorb in two sets of iron sheets 25; it can conveniently prop up spacing piece through branch, conveniently prop up fixedly when the follow-up clearance of filter, and when solute and solvent reaction, the iron sheet is demolishd with the adsorbed effect lower branch of magnet piece, and the filter normally puts down.

The utility model discloses a chemical drip washing device of heavy metal contaminated soil still includes two sets of jump rings and two sets of

stoppers

28, 18 inboard of two sets of fixed blocks all are provided with the spacing groove, the one end of two sets of jump rings is connected with two sets of spacing grooves respectively, the other end of two sets of jump rings is connected with two sets of stoppers 28 respectively, filter 19 clamps between two sets of stoppers 28, filter 19 left end and right-hand member are located two sets of spacing inslots respectively, and filter 19 left side top and bottom and filter 19 right side top and bottom contact with two sets of spacing groove inside walls respectively, filter 19 front side wall and back side wall all contact with the work chamber inside wall, filter 19 bottom side wall contacts with work chamber inside bottom side wall; it can drive two sets of stoppers through two sets of jump rings and press from both sides the dress fixed to the filter, makes the filter convenient from the manual dismantlement of taking out of maintenance mouth department, convenient follow-up clearance.

The utility model discloses a chemical drip washing device of heavy metal contaminated soil still includes clamp splice 29 and torsion spring, and clamp splice 29 is installed above the front side of work box 1 through torsion spring, and clamp splice 29 pastes the front side of work box 1 tightly, and the output end of intercommunication hose 6 clamps between clamp splice 29 and the front side of work box 1; it can make things convenient for the intercommunication hose output to fix when idle through the cooperation of clamp splice and work box, when fixed, breaks the clamp splice off with the fingers and thumb, arranges the intercommunication hose output in between clamp splice and the work box, presss from both sides to it under torque spring's effect and adorns fixedly can.

The utility model discloses a chemical drip washing device of heavy metal contaminated soil still includes two sets of support frames 30, a supporting table 31 and two sets of baffles 32, and the bottom of two sets of support frames 30 is installed respectively in the left and right sides of supporting table 31 top, and the top of two sets of support frames 30 all is connected with work box 1 bottom, and two sets of baffles 32 are installed respectively in the front and back both sides of supporting table 31 top; it can place solitary solute bottle, solution bottle or other work utensil through the supporting bench, and it is more convenient to use, and two sets of baffles are spacing to solute bottle, solution bottle or other work utensil, make it be difficult for dropping.

The utility model discloses a chemical drip washing device of heavy metal contaminated soil, still include four groups of upper shock-absorbing poles, four groups of shock-absorbing springs 33 and four groups of lower shock-absorbing poles, four groups of upper shock-absorbing poles are installed respectively in 1 bottom left front side, right front side, left rear side and right rear side of work box, four groups of one end of shock-absorbing springs 33 are connected with four groups of upper shock-absorbing poles respectively, four groups of other ends of shock-absorbing springs 33 are connected with four groups of lower shock-absorbing poles respectively, four groups of truckles 2 are rotatable installation respectively in four groups of lower shock-absorbing poles's below, still include four groups of mounts 34, four groups of mounts 34 are respectively nested in four groups of lower shock-absorbing pole lateral walls, and four groups of mounts 34 top are connected with 1 bottom left front side, right front side, left rear side and right rear side respectively; when the driving surface is not flat enough, the four groups of shock absorption springs can be used for buffering, so that the whole horizontal state is maintained, the reliability of the device is improved, and the stability of the four groups of lower shock absorption rods is maintained through the four groups of fixing frames, so that the stability of the device is improved.

The utility model discloses a chemical drip washing device of heavy metal contaminated soil still includes four group's screw thread post 35, four group's screw thread circle 36 and four group's weight 37, and four group's screw thread circles 36 are installed respectively in work box 1 left side the place ahead and the rear and work box 1 right side the place ahead and the rear, and four group's screw thread post 35's bottom is screwed to four group's screw thread circle 36 top inside respectively and is screwed out to four group's screw thread circle 36 below respectively and be connected with four group's weight 37, and four group's screw thread post 35 tops all are provided with knob 38; it can be through the convenient stability of the cooperation of four group's screw thread posts, four group's thread circles and four group's weights, when whole needs are stable, manual down rotates four group's screw thread posts, makes four group's weight bottoms be located four group's truckle belows to convenient stable, and when whole needs remove, manual upwards rotates four group's screw thread posts, makes four group's weight bottoms be located four group's truckle tops, thereby makes things convenient for the moving as a whole, and more practical, four group's knobs conveniently carry out decurrent spacing and make things convenient for manual wrench movement to the screw thread post.

The utility model discloses a chemical drip washing device of heavy metal contaminated soil, it is at the during operation, can press the handle through the staff handheld, press the longitudinal movement of handle and then make the movable block longitudinal movement under the spacing of two sets of connecting plates and two sets of gag lever posts, make spiral pipe and hob cooperate, can rotate the stirring through the rotor plate in the process that the design of rotating in the rotating groove internal rotation made stirring leaf longitudinal movement, solute and solvent in the messenger's flush fluid can conveniently be mixed evenly, improve its reliability in utilization, improve the practicality, the elasticity of two sets of reset springs makes the movable block conveniently move down automatically when no external force is used, and is more laborsaving, when setting up, press the handle and the gag lever post that is located below the spacing between be longer than the pillar and the gag lever post that is located below, and is more laborsaving; the filter plate can move upwards to lift undissolved solutes so that the solutes can be observed from the feed inlet by naked eyes, the handle is manually rotated to drive the lead screw on the connecting frame to rotate, so that the filter plate is driven to move longitudinally, the lead screw is more labor-saving to rotate due to the design that the handle can rotate automatically, and the mixing degree of the solutes and the solvents can be conveniently observed; the filter plate can only longitudinally move but not rotate through the transverse positioning of the positioning rod, and the bearing set assists the positioning rod to longitudinally slide more smoothly; the limiting plate can be conveniently supported through the supporting rod, the supporting and fixing are convenient during the subsequent cleaning of the filter plate, when a solute reacts with a solvent, the supporting rod is detached under the adsorption effect of the iron sheet and the magnet sheet, and the filter plate is normally put down; the filter plate can be clamped and fixed by the two groups of clamping springs driving the two groups of limiting blocks, so that the filter plate can be conveniently pulled out and disassembled from the maintenance port manually, and subsequent cleaning is facilitated; the output end of the communicating hose can be conveniently fixed when the communicating hose is idle through the matching of the clamping block and the working box, and when the communicating hose is fixed, the clamping block is broken off, the output end of the communicating hose is arranged between the clamping block and the working box, and the communicating hose is clamped and fixed under the action of the torsion spring; the solute bottle, the solution bottle or other working appliances can be independently placed through the supporting table, the use is more convenient, and the two groups of baffles limit the solute bottle, the solution bottle or other working appliances so as to prevent the solute bottle, the solution bottle or other working appliances from falling off; when the driving surface is not flat enough, the four groups of shock absorption springs can be used for buffering, so that the whole horizontal state can be maintained conveniently, the reliability of the driving surface is improved, and the four groups of lower shock absorption rods can be maintained stably through the four groups of fixing frames, so that the stability of the driving surface is improved; can be through the convenient stability of cooperation of four group's screw thread posts, four group's thread circles and four group's weighting pieces, when whole needs are stable, manual down-turning four group's screw thread posts make four group's weighting piece bottoms be located four group's truckle below to convenient stable, and when whole needs remove, manual up-turning four group's screw thread posts, make four group's weighting piece bottoms be located four group's truckle tops, thereby make things convenient for the moving as a whole, more practical, four group's knobs are convenient to carry out decurrent spacing and make things convenient for manual wrench movement to the screw thread post.

The utility model discloses a chemistry drip washing device of heavy metal contaminated soil, it is above the mounting means of all parts, connected mode or the mode that sets up are the welding, riveting or other common mechanical mode, wherein slidable/rotate fixedly promptly for sliding/not dropping under the rotation state, sealed intercommunication is sealed when two connecting pieces communicate promptly, and the concrete structure of its all parts, model and coefficient index are its from the area technique, as long as can reach all implementing of its beneficial effect, above-mentioned all with electric module and with electric appliance be the common electrical part in market, only need to connect according to the mutual electricity of the instruction manual that together buy back when buying back to use and can use, and control module is its common from taking the module, the event is no longer repeated here.

The chemical leaching device for the heavy metal contaminated soil of the utility model has the advantages that under the condition that the opposite explanation is not made, the directional terms "up, down, left, right, front, back, inside, and outside, and vertical and horizontal" included in the term merely represent the orientation of the term in the normal use state, or be a trivial term understood by those skilled in the art, and should not be considered as limiting the term, at the same time, the numerical terms "first," "second," and "third," etc. do not denote any particular quantity or order, but rather are used to distinguish one from another, furthermore, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements, but also includes other elements not expressly listed or inherent to such process, method, article, or apparatus.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A chemical leaching device for heavy metal contaminated soil comprises a working box (1) and four groups of trundles (2), wherein a working cavity is arranged in the working box (1), the top of the working box (1) is provided with a feed inlet in a communicated manner, a feed cover (3) is arranged at the feed inlet in a screwed manner, the rear side of the working box (1) is provided with a maintenance port in a communicated manner, a maintenance cover (4) is arranged at the maintenance port in a screwed manner, a liquid discharge pump (5) is hermetically communicated below the right side of the working box (1), a liquid discharge valve is arranged at the liquid discharge pump (5), and the output end of the liquid discharge pump (5) is hermetically communicated with a communicated hose (6; the device is characterized by further comprising a spiral pipe (7), a spiral rod (8), a stirring blade (9) and a moving block (10), wherein the spiral pipe (7) is hermetically welded at the top end of the feeding cover (3), the spiral pipe (7) is communicated with the top end of the feeding cover (3), the bottom end of the spiral pipe (8) is screwed into the top end of the spiral pipe (7) and is connected with the stirring blade (9), a rotating sheet (11) is fixedly arranged at the top end of the spiral pipe (8), a rotating groove is arranged at the bottom end of the moving block (10), the rotating sheet (11) is positioned in the rotating groove, the rotating sheet (11) can rotate relative to the rotating groove, the device further comprises two groups of reset springs (12), the top ends of the two groups of reset springs (12) are respectively arranged at the left side and the right side of the bottom end of the moving block (10), the bottom ends of the two groups of reset springs (12) are both arranged at the top end of, two sets of connecting plates (13) are installed respectively in regional front side and rear side on the right side of feed cover (3) top, two sets of gag lever post (14) front end are installed respectively and are being located connecting plate (13) rear side top and below of front side, two sets of gag lever post (14) rear end are installed respectively and are being located connecting plate (13) front side top and below of rear side, still include pillar (15), lever (16) and pressure are (17), pillar (15) are installed on movable block (10) top, lever (16) left end hub connection is on pillar (15) top, press and install lever (16) right-hand member (17), lever (16) are placed between two sets of connecting plates (13), and lever (16) are placed between two sets of gag lever post (14).

2. The chemical leaching device for heavy metal contaminated soil according to claim 1, further comprising two sets of fixing blocks (18), a filter plate (19), a handle (20), a connecting frame (21) and a screw (22), wherein the two sets of fixing blocks (18) are respectively in contact with the inner bottom side wall, the inner front side wall and the inner rear side wall of the working box (1) at the bottom side, the front side and the rear side of the two sets of fixing blocks (18), the outer side walls of the two sets of fixing blocks (18) are respectively in contact with the inner left side wall and the inner right side wall of the working box (1), a placing groove is arranged at the top end of the fixing block (18) at the left side, a ball bearing is rotatably and fixedly arranged in the placing groove, the handle (20) is rotatably and fixedly arranged at the top end of the connecting frame (21), the top end of the screw (22) is connected with the bottom of the connecting frame (21), and the bottom end, the bottom end of the lead screw (22) is inserted into the ball bearing.

3. The chemical leaching device for heavy metal contaminated soil according to claim 2, further comprising a positioning rod (23), wherein a through groove is formed in the right side of the top side wall of the feeding cover (3), a bearing set is rotatably fixed in the through groove, the bottom end of the positioning rod (23) penetrates through the bearing set and extends into the working box (1) to be connected with the top end of the fixing block (18) on the right side, and a limiting piece (24) is arranged at the top end of the positioning rod (23).

4. The chemical leaching device for the heavy metal contaminated soil according to claim 3, wherein two sets of iron sheets (25) are arranged at the bottom end of the limiting sheet (24) and the right half area of the top side wall of the working box (1), the chemical leaching device further comprises two sets of supporting rods (26), two ends of the top and bottom of the two sets of supporting rods (26) are respectively provided with a magnet sheet (27), and the four sets of magnet sheets (27) are conveniently adsorbed at the two sets of iron sheets (25).

5. The chemical leaching device for heavy metal contaminated soil according to claim 4, further comprising two sets of snap springs and two sets of limit blocks (28), wherein the two sets of fixed blocks (18) are provided with limit grooves inside, one ends of the two sets of snap springs are respectively connected with the two sets of limit grooves, the other ends of the two sets of snap springs are respectively connected with the two sets of limit blocks (28), the filter plate (19) is clamped between the two sets of limit blocks (28), the left end and the right end of the filter plate (19) are respectively located inside the two sets of limit grooves, the top end and the bottom end of the left side of the filter plate (19) and the top end and the bottom end of the right side of the filter plate (19) are respectively contacted with the inner side walls of the two sets of limit grooves, the front side wall and the rear side wall of the filter plate.

6. The chemical leaching device for heavy metal contaminated soil according to claim 5, further comprising a clamping block (29) and a torsion spring, wherein the clamping block (29) is mounted above the front side of the working box (1) through the torsion spring, the clamping block (29) is attached to the front side of the working box (1), and the output end of the communication hose (6) is clamped between the clamping block (29) and the front side of the working box (1).

7. The chemical leaching device for heavy metal contaminated soil according to claim 6, further comprising two sets of supporting frames (30), a supporting platform (31) and two sets of baffles (32), wherein the bottom ends of the two sets of supporting frames (30) are respectively installed at the left and right sides of the top end of the supporting platform (31), the top ends of the two sets of supporting frames (30) are respectively connected with the bottom end of the working box (1), and the two sets of baffles (32) are respectively installed at the front and back sides of the top end of the supporting platform (31).

8. The chemical leaching device for heavy metal contaminated soil according to claim 7, further comprising four groups of upper shock absorption rods, four groups of shock absorption springs (33) and four groups of lower shock absorption rods, wherein the four groups of upper shock absorption rods are respectively installed at the left front side, the right front side, the left rear side and the right rear side of the bottom end of the working box (1), one ends of the four groups of shock absorption springs (33) are respectively connected with the four groups of upper shock absorption rods, the other ends of the four groups of shock absorption springs (33) are respectively connected with the four groups of lower shock absorption rods, the four groups of casters (2) are respectively rotatably installed below the four groups of lower shock absorption rods, the chemical leaching device further comprises four groups of fixing frames (34), the four groups of fixing frames (34) are respectively sleeved on the outer side walls of the four groups of lower shock absorption rods, and the top ends of the four groups of fixing frames (34) are respectively connected with the left front side, the right front side.

9. The chemical leaching device for heavy metal contaminated soil according to claim 8, further comprising four sets of threaded columns (35), four sets of threaded rings (36) and four sets of weighting blocks (37), wherein the four sets of threaded rings (36) are respectively installed in front of and behind the left side of the working box (1) and in front of and behind the right side of the working box (1), the bottom ends of the four sets of threaded columns (35) are respectively screwed into the top ends of the four sets of threaded rings (36) and are respectively screwed out of the lower portions of the four sets of threaded rings (36) to be connected with the four sets of weighting blocks (37), and the top ends of the four sets of threaded columns (35) are respectively provided with a knob (38).