CN214895283U - Semi-dynamic leaching device - Google Patents

Abstract

The utility model discloses a semi-dynamic leaching device, which relates to an experimental device, comprising a plurality of experimental boxes and a leaching bottle, wherein the bottom end of each experimental box is respectively sheathed with a funnel, the inner cavity at the top of the funnel is provided with a filter plate with the top paved with filter paper, a baffle plate is arranged above the filter plate, through holes are respectively and uniformly arranged at the bottom of the experimental box and the corresponding baffle plate, both ends of the baffle plate are respectively connected with a rectangular rod, both sides at the top end of the funnel are respectively provided with a notch for erecting the rectangular rod, the baffle plate is erected at the inner cavity at the top end of the funnel through the matching of the rectangular rod and the notch, a liquid recovery box is arranged below each funnel, a water outlet pipe is arranged above each experimental box, a water valve is arranged on each water outlet pipe, and the top end of each water outlet pipe is respectively connected with a liquid supply pipe, one end of the liquid supply pipe is connected with the leaching bottle through a water pump; the utility model discloses can effectively carry out the leaching experiment.

Description

Semi-dynamic leaching device

Technical Field

The utility model relates to an experimental apparatus especially relates to an experimental apparatus for leaching.

Background

In the field of environmental geotechnics, the problem of inevitable heavy metal pollution to soil is caused by the development of industrialization, and a solidification stabilization method is a relatively mature waste disposal technology and is successfully applied to harmless and resource treatment of radioactive wastes, industrial sludge and bottom mud through dozens of years of research by domestic and foreign scholars. The solidification stabilization method is that a curing agent is added into the polluted soil body, the mixture is stirred uniformly by a stirrer, and a series of chemical reactions between the curing agent and the soil body are utilized to convert the combination of the soil body, the pollutant and the curing agent into a non-flowable integral compact solid with a complete structure. So that the pollutants are converted into substances with low solubility, low mobility and low toxicity, thereby reducing the toxicity of the soil and achieving the remediation effect. Compared with other repairing technologies, the solidification stabilization method has the advantages of convenience in construction, wide application range, short treatment time, low cost, improvement of foundation soil strength and the like. And evaluating the solidification effect of the heavy metal polluted soil, adopting a semi-dynamic leaching method in the field of environmental geotechnical engineering, selecting an acid solution or an alkali solution with specified pH as a leaching solution according to an operation specification, continuously replacing the leaching solution for ten days, and measuring the concentration of heavy metal ions of ions in the leaching solution.

However, for the operation flow of semi-dynamic leaching, no special test device exists in a laboratory at present. Generally, a plastic box with acid and alkali resistance is selected by self, the leachate is replaced according to time, and the original leachate is subjected to heavy metal concentration measurement by an atomic absorption spectrometry through a 0.45-micron filter membrane. The test has no standard instrument, the steps are complicated to operate, and the leaching solution is a strong acidic or alkaline solution and has certain danger, so that the semi-dynamic leaching device integrating solution replacement and filtration is convenient to operate and high in safety, and has important significance for supplementing the test device in the field of environmental rock and soil.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art not enough, provide a semi-dynamic leaching device to solve the technical problem that does not have the equipment of leaching the experiment among the prior art.

The utility model discloses a realize through following technical scheme:

a semi-dynamic leaching device comprises a plurality of experiment boxes and a leaching bottle, wherein the bottom end of each experiment box is respectively sleeved with a funnel, a filter plate with the top paved with filter paper is arranged in the inner cavity at the top of the funnel, a baffle plate is arranged above the filter plate, through holes are respectively and uniformly arranged at the bottom of the experiment box and the corresponding baffle plate, two ends of the baffle plate are respectively connected with a rectangular rod, and both sides of the top end of the funnel are respectively provided with a notch for erecting a rectangular rod, the baffle plate is erected in the inner cavity of the top end of the funnel through the matching of the rectangular rod and the notch, and the top end of the funnel is sleeved outside the bottom end of the corresponding experiment box, the baffle is attached to the bottom of the experiment box, when the baffle plate is driven by operating the rectangular rod, the through holes in the baffle plate and the through holes in the experiment box can be freely switched between the states of mutual superposition, intersection and mutual non-contact; every the below of funnel all is provided with a liquid recovery box, every the top of experiment box all is provided with a outlet pipe, all installs a water valve on every outlet pipe, and the top of every outlet pipe is connected with the feed pipe respectively, and the one end of feed pipe is passed through the water pump and is connected with the leaching bottle.

Furthermore, a pushing handle is also arranged on the outer end of one rectangular rod.

Further, still be provided with the base, drench the filter flask, all experiment boxes and all liquid recovery boxes all set up on the base.

Further, the base is of a cavity structure, the top of the base is of a plate-shaped structure which is evenly provided with filter holes, and the vertical wall and the bottom of the base are both of plate structures.

Further, still be provided with a plurality of racks, every the rack comprises a vaulting pole, a horizontal pole and an annular retaining member respectively, the vaulting pole is vertical to be installed at the base top, the one end of horizontal pole and the top fixed connection of vaulting pole, every the outside of experiment box is overlapped respectively and is equipped with an annular retaining member (17), just the one end and the vaulting pole waist fixed connection of annular retaining member, the feed pipe is through a plurality of the horizontal pole erects the base top.

Further, still be provided with a plurality of erection columns in the base, every be provided with in the erection column and supply vaulting pole male recess, the recess top communicates with the base top.

Further, the top of funnel specifically is annular platelike structure, and the filter that the external diameter is the same rather than the internal diameter is erect to annular plate structure inner chamber bottom, and the breach that is used for erectting the rectangular pole is seted up respectively at the both ends on the annular platelike structure horizontal direction, and the top cover of annular platelike structure is established and is being corresponded experiment box bottom outside, and it is not contacted with the filter when the baffle erects on annular platelike structure through breach and rectangular pole.

Furthermore, a sealing ring embedded in the notch is sleeved on each rectangular rod.

Compared with the prior art, the utility model has the following advantages:

the utility model provides a semi-dynamic leaching device, through setting up experiment box, baffle, filter, funnel and liquid recovery box, can effectively realize the persistence and the discharge of leachate, can effectively realize the filtration recovery of leachate simultaneously, avoided the defect among the prior art; the whole structure of the device is simple, and the filter paper is convenient to replace.

Drawings

Fig. 1 is a schematic structural diagram of a semi-dynamic leaching device according to an embodiment.

In the figure: 1. an experimental box; 2. a filter flask is used for sprinkling; 3. a baffle plate; 4. a filter plate; 5. a funnel; 6. a through hole; 7. a rectangular bar; 8. a liquid recovery cartridge; 9. a water outlet pipe; 10. a water valve; 11. a liquid supply tube; 12. a water pump; 13. a push handle; 14. a base; 15. a stay bar; 16. a cross bar; 17. an annular locking member; 18. mounting a column; 19. a groove; 20. and (5) sealing rings.

Detailed Description

The technical solution of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it should be understood that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

With reference to fig. 1, the present embodiment provides a semi-dynamic leaching device, which comprises a base 14, a leaching bottle 2 for containing leachate and a plurality of experimental boxes 1 for performing experiments are arranged on the top of the base 14, a baffle 3, a filter plate 4 and a funnel 5 are sequentially and cooperatively arranged below each experimental box 1, wherein, in order to store the leaching solution in the experiment box 1 and make the leaching solution flow out of the experiment box 1 smoothly during the experiment, in the embodiment, a baffle 3 is arranged below the experiment box 1, wherein the top of the baffle 3 is mutually attached with the bottom of the bottom end of the experiment box 1, secondly, through holes 6 which penetrate through the baffle 3 and the bottom of the experiment box 1 are respectively and uniformly arranged on the baffle 3, whether the liquid in the experiment box 1 can flow out of the experiment box 1 through the through hole 6 is controlled by overlapping, crossing and non-contact between the through hole 6 at the bottom of the experiment box 1 and the through hole 6 on the baffle plate 3 in the vertical direction;

secondly, for the convenience of filtering and retrieving the leachate that flows out, in this embodiment, be provided with filter 4 and funnel 5 in the below of baffle 3, wherein, filter 4 sets up in 5 tops of funnel, and filter 4 upper berth is equipped with filter paper, the top cover of funnel 5 is established on experiment box 1's bottom outer wall, thereby by experiment box 1 through in 6 trickles that flow down of through-hole fall on filter paper back through filter plate 4 entering funnel 5, be provided with liquid recovery box 8 in the below of funnel 5, thereby trickles after the filtration can be retrieved to liquid recovery box 8 in.

In particular, for the convenience of later stage operation baffle 3, a rectangle pole 7 is installed respectively at baffle 3's both ends in this embodiment, a breach that is used for erectting rectangle pole 7 is offered respectively at the both ends on 5 tops of funnel simultaneously, thereby two rectangle poles 7 of 3 accessible of baffle and two breach are erect in 5 tops of funnel, 5 covers of funnel simultaneously establish can compress tightly two rectangle poles 7 and spacing to it after experimental box 1 goes up, and compress tightly backplate 3 can laminate in experimental box 1's bottom, thereby can drive the relative experiment box 1 motion of baffle 3 through operating a rectangle pole 7 in 5 outsides of funnel, reach the intercommunication between through-hole 6 and the through-hole 6 on the baffle 3 of experimental box 1 bottom, crisscross and separation, thereby can effectively control leachate and whether flow out experimental box 1.

Specifically, in order to facilitate the operation of the rectangular levers 7, a push handle 13 is mounted on the outer end of one rectangular lever 7, thereby facilitating the operation.

It is unusual, for the convenience of changing filter paper and reducing the equipment and making the degree of difficulty, in this embodiment, make the top of funnel 5 be annular platelike structure, cylindrical cavity structure promptly, its inner chamber bottom is provided with filter 4, the top at its horizontal direction both ends is equipped with a breach respectively, thereby baffle 3 can erect in it through two rectangular poles 7, the external diameter of filter 4 is the same with 5 top internal diameters of funnel, it is the back taper structure to combine its top to use the lower part, thereby can make filter 4 erect in 5 top inner chamber bottoms of funnel, lay the filter paper back on it, can be effectively to drench the filtrating after flow in the liquid recovery box 8 of 5 below of funnel.

In particular, in order to facilitate sealing, in the present embodiment, each rectangular rod 7 is sleeved with a sealing ring 20 clamped in the notch, so as to achieve a sealing effect; meanwhile, when the baffle 3 is erected in the funnel 5, the baffle is not in contact with the filter plate 4, so that the leaching solution can flow downwards conveniently.

In particular, in order to facilitate the washing and place the leachate and splash on the base 14, in this embodiment, the base 14 is set to be a cavity structure, the top of the cavity structure is a plate-shaped structure with uniformly arranged filter holes, the vertical arm and the bottom of the cavity structure are plate structures, the top of the cavity structure is movable, the cavity structure is erected at the top of the inner cavity of the main body part of the cavity structure through a plurality of supporting piers, so that the interior of the cavity structure is convenient to clean, the splashed leachate can enter the inner cavity of the base 14 and cannot be accumulated at the top of the base 14, and the top of the base 14 is convenient to keep clean.

Particularly, in order to erect the experiment box 1, in the embodiment, a plurality of placing racks are further provided, each placing rack is respectively composed of a supporting rod 15, a cross rod 16 and an annular locking member 17, the supporting rod 15 is vertically installed on the top of the base 14, one end of the cross rod 16 is fixedly connected with the top of the supporting rod 15, the annular locking member 17 is respectively sleeved outside each experiment box 1, one end of the annular locking member 17 is fixedly connected with the waist of the supporting rod 15, so that the experiment box 1 can be erected on the top of the base 14 through the placing racks, and experiments can be conveniently carried out; wherein annular retaining member 17 can be for constituting by two internal diameters and the semicircle boards that experiment box 1 external diameter is the same, and the one end and the mounting of two semicircle boards rotate to be connected, mounting and vaulting pole 15 fixed connection, and the other end passes through locking bolt interconnect, thereby experiment box 1 puts into and revolves wrong experimental box 1 of centre gripping of locking bolt behind two semicircle boards, makes its highly fixed, and then is convenient for fix and dismantle experimental box 1.

In particular, in order to facilitate the detachment and installation of the rack, in this embodiment, a plurality of mounting posts 18 are provided in the base 14, a groove 19 for inserting the support rod 15 is provided in each mounting post 18, the top of each groove 19 is communicated with the top of the base 14, and the bottom end of each groove is provided with the bottom of the inner cavity of the base 14, so that the support rod 15 can be effectively fixed and detached, thereby facilitating the detachment of the rack.

In particular, in order to facilitate the leaching solution to enter each experiment box 1 from the leaching bottle 2, in the embodiment, an outlet pipe 9 is arranged above each experiment box 1, a water valve 10 is arranged on each outlet pipe 9, the top end of each outlet pipe 9 is respectively connected with a liquid supply pipe 11, one end of each liquid supply pipe 11 is connected with the leaching bottle 2 through a water pump 12, so that the leaching solution can be pumped into the liquid supply pipe 11 through the water pump 12, when an experiment box 1 needs to be tested, a test block is put into the corresponding experiment box 1, filter paper is put on a filter plate 4 on the funnel 5 in advance, a baffle plate 3 is erected in the top end of the funnel 5 through a rectangular rod 7, then the top end of the funnel 5 is sleeved outside the bottom end of the experiment box 1, a sealing ring 20 can seal a gap between the rectangular rod 7 and a gap, then the corresponding water valve 10 is opened, and the leaching solution enters the experiment box 1 through the corresponding water pipe, at the moment, the baffle 3 seals the through hole 6 at the bottom of the experiment box 1, so that the test block can be effectively soaked, after the soaking time is reached, the baffle 3 is operated by the push handle 13 to enable the through hole 6 on the baffle 3 to be communicated with the through hole 6 at the bottom of the experiment box 1, leachate falls on filter paper through the through hole 6, is filtered and then enters the liquid recovery box 8 through the filter plate 4 and the funnel 5, and the purpose of filtration and recovery is achieved; after accomplishing the experiment, accessible operation annular retaining member 17 dismantles experiment box 1 and saves, and operating simultaneously vaulting pole 15 makes it take out from recess 19 and erection column 18 after-separating, can dismantle the rack wholly, and the leachate that splashes simultaneously in base 14 can lift up base 14 roof and clean its inner chamber, reaches the clear purpose of retaining device.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (8)

1. The semi-dynamic leaching device is characterized by comprising a plurality of experiment boxes (1) and a leaching bottle (2), wherein the bottom of each experiment box (1) is respectively sleeved with a funnel (5), an inner cavity at the top of each funnel (5) is provided with a filter plate (4) with filter paper laid at the top, a baffle (3) is arranged above each filter plate (4), the bottom of each experiment box (1) and the corresponding baffle (3) are respectively and uniformly provided with through holes (6), two ends of each baffle (3) are respectively connected with a rectangular rod (7), two sides of the top end of each funnel (5) are respectively provided with a notch for erecting the rectangular rod (7), each baffle (3) is erected in an inner cavity at the top end of each funnel (5) through the matching of the rectangular rods (7) and the notches, and the top end of each funnel (5) is sleeved with the bottom of the corresponding experiment box (1) when the bottom end is outside, when the baffle (3) is driven by operating the rectangular rod (7), the through hole (6) on the baffle (3) and the through hole (6) on the experiment box (1) can be freely switched between the states of mutual superposition, intersection and mutual non-contact; every the below of funnel (5) all is provided with a liquid recovery box (8), every the top of experiment box (1) all is provided with one outlet pipe (9), all installs one water valve (10) on every outlet pipe (9), and the top of every outlet pipe (9) is connected with feed pipe (11) respectively, and the one end of feed pipe (11) is passed through water pump (12) and is connected with leaching bottle (2).

2. A semi-dynamic leaching apparatus according to claim 1, wherein a push handle (13) is further mounted on the outer end of one rectangular rod (7).

3. A semi-dynamic leaching device according to claim 2, wherein a base (14) is provided, and the leaching bottle (2), all the experiment cartridges (1) and all the liquid recovery cartridges (8) are arranged on the base (14).

4. A semi-dynamic leaching device according to claim 3, wherein the base (14) is a hollow structure, the top of the base is a plate-shaped structure with uniformly opened filtering holes, and the vertical wall and the bottom of the base are both plate structures.

5. The semi-dynamic leaching device according to claim 4, wherein a plurality of placing racks are further arranged, each placing rack is composed of a support rod (15), a cross rod (16) and an annular locking member (17), the support rod (15) is vertically installed at the top of the base (14), one end of the cross rod (16) is fixedly connected with the top end of the support rod (15), each annular locking member (17) is sleeved outside the experiment box (1), one end of the annular locking member (17) is fixedly connected with the waist of the support rod (15), and the liquid supply pipe (11) is erected above the base (14) through the cross rods (16).

6. A semi-dynamic leaching device according to claim 5, wherein a plurality of mounting columns (18) are further arranged in the base (14), a groove (19) for inserting the stay bar (15) is arranged in each mounting column (18), and the top of the groove (19) is communicated with the top of the base (14).

7. The semi-dynamic leaching device according to claim 6, wherein the top end of the funnel (5) is a ring-shaped plate structure, the bottom of the inner cavity of the ring-shaped plate structure is provided with a filter plate (4) with the same outer diameter and inner diameter, the two ends of the ring-shaped plate structure in the horizontal direction are respectively provided with a notch for installing a rectangular rod (7), the top end of the ring-shaped plate structure is sleeved outside the bottom end of the corresponding experiment box (1), and the baffle plate (3) is not contacted with the filter plate (4) when the baffle plate is installed on the ring-shaped plate structure through the notch and the rectangular rod (7).

8. A semi-dynamic leaching device according to claim 7, wherein each rectangular rod (7) is fitted with a sealing ring (20) embedded in the notch.

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