CN114653744A

CN114653744A - Contaminated soil solidification stabilization system

Info

Publication number: CN114653744A
Application number: CN202210258406.4A
Authority: CN
Inventors: 孔德川; 杜浩; 张莉; 诸葛鹏; 刘珮
Original assignee: Beijing Beikong Ecological Construction Group Co ltd
Current assignee: Beijing Beikong Ecological Construction Group Co ltd
Priority date: 2022-03-16
Filing date: 2022-03-16
Publication date: 2022-06-24
Anticipated expiration: 2042-03-16
Also published as: CN114653744B

Abstract

The application relates to a contaminated soil solidification stabilization system, which comprises a soil screening device, a broken stone cleaning device and a medicament mixing device, wherein the soil screening device is used for separating broken stones in soil and soil, the broken stone cleaning device is used for cleaning broken stones, and the medicament mixing device is used for mixing the soil and a medicament; the reagent mixing equipment comprises a barrel, wherein a feed hopper is arranged at the top of the barrel, a discharge pipe is arranged at the bottom of the barrel, two partition plates which are matched with each other are hinged in the barrel, the two partition plates divide the barrel into a scattering chamber positioned at the upper part and a mixing chamber positioned at the lower part, a scattering mechanism for scattering soil is arranged in the scattering chamber, and a spraying mechanism for adding a reagent and a stirring mechanism for stirring the soil are arranged in the mixing chamber; and a driving piece for driving the partition plate to rotate around the hinged shaft is arranged in the barrel. The application has the advantages of uniformly mixing the soil and the medicament and improving the soil treatment effect.

Description

Contaminated soil solidification stabilization system

Technical Field

The application relates to the field of contaminated soil solidification, in particular to a contaminated soil solidification stabilization system.

Background

At present, with the increase of population and the development of economy, the discharge of corresponding solid waste and industrial sewage is increasing, and with the accumulation of solid waste on the soil surface and the immersion of industrial sewage into soil, the soil is gradually polluted, thereby causing the pollution of grains, vegetables, fruits and the like. In order to treat the polluted soil, a solidification and stabilization technology is commonly adopted at present, and the general process comprises the following steps: digging out soil, sieving to obtain large-particle stones, mixing the soil with a curing agent, conveying the mixed soil to a storage yard for curing, and recycling the soil after curing for backfilling, roadbed materials, building materials and the like.

The current pollution solidification and stabilization technology is mature more and more, more and more polluted soil can be recycled, but in the actual treatment process, especially when the soil and the solidification agent are mixed, the possibility that the treatment effect is influenced due to uneven mixing sometimes occurs, and how to further improve the problem is needed to be solved at present.

Disclosure of Invention

In order to improve the mixing degree of consistency of soil and medicament, this application provides and pollutes soil solidification stabilization system.

The application provides a pollute soil solidification stabilization system adopts following technical scheme:

the system comprises a soil screening device, a broken stone cleaning device and a medicament mixing device, wherein the soil screening device is used for separating broken stones in soil and soil, the broken stone cleaning mechanism is used for cleaning broken stones, and the medicament mixing device is used for mixing the soil and a medicament;

the reagent mixing equipment comprises a barrel, wherein a feed hopper is arranged at the top of the barrel, a discharge pipe is arranged at the bottom of the barrel, two partition plates which are matched with each other are hinged in the barrel, the two partition plates divide the barrel into a scattering chamber positioned at the upper part and a mixing chamber positioned at the lower part, a scattering mechanism for scattering soil is arranged in the scattering chamber, and a spraying mechanism for adding a reagent and a stirring mechanism for stirring the soil are arranged in the mixing chamber;

and a driving piece for driving the partition plate to rotate around the hinged shaft is arranged in the barrel.

Through adopting above-mentioned technical scheme, soil gets into the barrel through the feeder hopper after, break up the mechanism and break up soil earlier, with the possibility that has the caking in the reduction soil, utilize driving piece drive division board to rotate, so that soil falls to the mixing chamber from breaking up the room, at the in-process of soil whereabouts, spray mechanism's blowout medicament, make the medicament adhere to on the soil of whereabouts, stir the soil that falls in the mixing chamber with the help of rabbling mechanism simultaneously, make soil and medicament intensive mixing, thereby improve the mixing uniformity of soil and medicament.

In a specific implementation scheme, the inside wall of barrel is equipped with the installation pole that is located the division board below, be equipped with the bracing piece on the installation pole, the tip of bracing piece is equipped with umbrella-type branch flitch, spray the mechanism including locating a plurality of pencil that adds on the barrel inside wall, it is a plurality of the pencil is evenly arranged around dividing the flitch, it is equipped with a plurality of shower nozzles to add the pencil.

Through adopting above-mentioned technical scheme, when soil falls from the break-up room, fall earlier on the branch flitch, through the reposition of redundant personnel of branch flitch, soil can be from the peripheral even whereabouts of branch flitch to in-process at the whereabouts uses the branch flitch to form soil drenches the membrane as the center, and then helps the shower nozzle with even spraying of medicament on soil, makes mixing mechanism can be better mixing soil and medicament.

In a specific possible embodiment, a receiving hopper is arranged in the barrel and positioned between the partition plate and the material distribution plate, and the bottom of the receiving hopper is communicated with a material collecting pipe.

Through adopting above-mentioned technical scheme, when the division board was opened, the volume of soil whereabouts was great, and soil is earlier through connecing the hopper gathering at the collecting tube, via the collecting tube on the branch flitch that falls for soil can be even flow direction divide the periphery of flitch, thereby help forming soil and drench the membrane.

In a specific possible embodiment, the driving part is a driving air cylinder hinged with the inner side wall of the barrel, and an output rod of the driving air cylinder is hinged with the partition plate.

Through adopting above-mentioned technical scheme for two division boards can be opened, make soil can drop in the mixing chamber.

In a specific can implement embodiment, be equipped with the mounting panel on the barrel inside wall, break up the dwang of mechanism on locating the mounting panel, be equipped with the puddler on the dwang, be equipped with on the mounting panel and connect the motor of breaking up in the dwang.

Through adopting above-mentioned technical scheme, stir soil to break up soil.

In a specific possible implementation scheme, the stirring mechanism comprises a stirring shaft arranged on a bottom plate of the barrel body, stirring blades are arranged on the stirring shaft, a power motor is arranged at the bottom of the barrel body, and the stirring shaft penetrates through the bottom of the barrel body and is connected to an output shaft of the power motor.

Through adopting above-mentioned technical scheme, stir soil for soil and medicament mix more evenly.

In a specific embodiment, rubble cleaning equipment washs the case including the one-level of mutual intercommunication and second grade washing case, the top that the case was washd to the one-level is connected with the discharge pipe, it is the open-ended wash bowl to be equipped with both ends in the one-level washing case, the bottom of wash bowl articulates there is a flitch, a plurality of through-holes have all been opened to wash bowl and play flitch, the inside wall of one-level washing case is equipped with a plurality of shower heads towards the wash bowl, the bottom slope that the case was washd to the one-level is equipped with the stone pipe that goes out with second grade washing case intercommunication, it has the collector pipe to go out stone pipe intercommunication, the collector pipe is equipped with the filter screen with the mouth of pipe department that goes out stone pipe intercommunication.

By adopting the technical scheme, the crushed stone is cleaned by the primary cleaning box and then enters the secondary cleaning box through the stone outlet pipe for secondary cleaning, so that the cleaning effect is effectively improved; the water after washing is discharged from the first-level washing tank through the filter screen and the water collecting pipe, and the water mixed with pollutants is collected by workers to be subjected to centralized treatment.

In a specific embodiment, the outer side wall of the cleaning barrel is hinged with a power cylinder, and an output rod of the power cylinder is hinged with the discharging plate.

Through adopting above-mentioned technical scheme to open the play flitch, make the rubble fall in the discharging pipe.

In summary, the present application includes at least one of the following beneficial technical effects:

1. according to the method, the scattering mechanism is utilized to scatter the soil, the spraying mechanism is utilized to spray the medicament to the falling soil, and the stirring mechanism is combined to further mix the soil and the medicament, so that the mixing uniformity of the soil and the medicament is effectively improved;

2. this application utilizes the branch flitch to make soil form at the whereabouts in-process and drenches the membrane to help the shower nozzle with even spraying of medicament on soil, further improved the mixing degree of consistency of soil and medicament.

Drawings

Fig. 1 is a schematic view of the overall structure of a contaminated soil solidification and stabilization system in an embodiment of the present application.

FIG. 2 is a sectional view of a primary cleaning tank in an embodiment of the present application.

FIG. 3 is a sectional view of a secondary cleaning tank in an embodiment of the present application.

Fig. 4 is a cross-sectional view of a cartridge in an embodiment of the present application.

Description of reference numerals: 1. a box body; 11. a discharge pipe; 12. a discharging pipe; 2. a first-stage cleaning tank; 21. a cleaning cylinder; 211. a support plate; 212. a stirring motor; 213. a rotating shaft; 214. stirring the strip; 215. a through hole; 22. a discharge plate; 23. a water inlet pipe; 231. a branch pipe; 232. a shower head; 233. a water feeding pipe; 24. a power cylinder; 25. discharging the stone pipe; 26. a water collection pipe; 261. filtering with a screen; 27. a water collection tank; 3. a secondary cleaning tank; 4. a barrel; 41. a feed hopper; 42. a discharge pipe; 421. a valve; 43. a partition plate; 431. a driving cylinder; 44. a breaking chamber; 441. mounting a plate; 442. breaking up the motor; 443. rotating the rod; 444. a stirring rod; 45. a mixing chamber; 46. a receiving hopper; 461. a material collecting pipe; 47. mounting a rod; 471. a support bar; 472. a material distributing plate; 48. a liquid feeding pipe; 481. a medicine feeding pipe; 482. a spray head; 483. a liquid inlet pipe; 49. a stirring shaft; 491. stirring blades; 492. a power motor.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses pollute soil solidification stabilization system. Referring to fig. 1, pollute soil solidification stabilization system includes soil screening equipment and the rubble wiper mechanism who is located soil screening equipment one side, soil screening equipment is the shale shaker of the conventional use in this field, the shale shaker includes box 1, the one end intercommunication of box 1 has discharge pipe 11, the bottom intercommunication of box 1 has unloading pipe 12, after will polluting soil and drop into the shale shaker, the rubble of big granule in the soil is discharged through discharging pipe 42, the soil after getting rid of the rubble is discharged through unloading pipe 12, so that the staff removes soil.

Referring to fig. 1 and 2, rubble wiper mechanism includes that one-level washs case 2 and second grade and washs case 3, and the top that one-level washs case 2 communicates in discharge pipe 11, and hollow wash bowl 21 is installed through the bearing pole in the one-level washs case 2, and the both ends of wash bowl 21 are the opening, and the mouth of pipe of discharge pipe 11 is corresponding with the top of wash bowl 21. The top of the cleaning cylinder 21 is provided with a support plate 211, the support plate 211 is provided with a rotating shaft 213 and a stirring motor 212 for driving the rotating shaft 213 to rotate, and the rotating shaft 213 is provided with a stirring bar 214. The bottom of the cleaning barrel 21 is hinged with a discharging plate 22 for plugging the cleaning barrel 21 through a connecting shaft. Crushed stones screened by the vibrating screen can enter the cleaning cylinder 21 through the discharge pipe 11, and the stirring shaft 49 and the stirring strips 214 can stir the crushed stones.

The wash bowl 21 has all opened a plurality of through-holes 215 with play flitch 22, the inside wall of wash bowl 21 is equipped with annular inlet tube 23, be equipped with a plurality of vertical bleeder 231 on the inlet tube 23, be equipped with a plurality of shower heads 232 towards wash bowl 21 on the bleeder 231, inlet tube 23 intercommunication has filler pipe 233, filler pipe 233 stretches out one-level washing case 2 and can connect in water pump and water source, so that shower head 232 can spray water towards wash bowl 21, thereby reach the purpose of wasing the rubble.

Referring to fig. 2 and 3, the outer side wall of the cleaning drum 21 is hinged with a power cylinder 24 through a connecting shaft, and an output rod of the power cylinder 24 is hinged with the discharging plate 22 through a connecting shaft. The bottom slope that the case 2 was washd to the one-level is equipped with out stone pipe 25, goes out stone pipe 25 and communicates in second grade washing case 3. The bottom of the first-level cleaning tank 2 is also communicated with a water collecting pipe 26 communicated with the stone outlet pipe 25, a filter screen 261 is arranged at the pipe opening of the water collecting pipe 26, and a water collecting tank 27 is arranged below the water collecting pipe 26. After the completion is to the washing of rubble, power cylinder 24 drive play flitch 22 rotates to open wash bowl 21, make the rubble carry out the secondary through going out stone pipe 25 and wash in entering into second grade washing case 3, at the in-process of washing the rubble, the water that mixes the pollutant can fall to header tank 27 via filter screen 261 and water collection pipe 26 in, so that the staff centralized processing water. The second grade washs case 3 and washs case 2 intercommunication through going out stone pipe 25 and one-level, and the structure that the case 2 was washd with the one-level to the second grade washs case 3 is the same with the structure that the case 2 was washd to the one-level, and the rubble enters into the second grade and washs and can obtain the secondary washing after in the case 3 to the cleaning performance has been ensured.

Referring to fig. 1 and 4, one side of the soil screening device is provided with a medicament mixing device, the medicament mixing device comprises a barrel 4, the top of the barrel 4 is provided with a feed hopper 41, the bottom of the barrel 4 is provided with a discharge pipe 42, and the discharge pipe 42 is provided with a valve 421. Two relative inside walls of barrel 4 all are connected with a rotatable division board 43 through the connecting axle, and the inside wall of barrel 4 articulates through the connecting axle has and drives actuating cylinder 431, and the output lever that drives actuating cylinder 431 passes through the connecting axle and articulates in division board 43.

When the two partition plates 43 are positioned in the horizontal state, the partition plates 43 divide the cylindrical body 4 into the dispersing chamber 44 positioned in the upper portion and the mixing chamber 45 positioned in the lower portion, the inner wall of the cylindrical body 4 is provided with the mounting plate 441 positioned in the dispersing chamber 44, the mounting plate 441 is provided with the rotatable rotating rod 443 and the dispersing motor 442 for driving the rotating rod 443 to rotate, and the rotating rod 443 is provided with the plurality of stirring rods 444. After the operator adds the soil with the crushed stones screened into the cylinder 4 through the feed hopper 41, the soil enters the scattering chamber 44, and the stirring rod 444 can be used for scattering the soil, so that the phenomenon of agglomeration in the soil is reduced.

A receiving hopper 46 located in the mixing chamber 45 is mounted in the cylinder 4 through a mounting plate 441, and a collecting pipe 461 is mounted at the bottom of the receiving hopper 46. The inner side wall of the cylinder 4 is horizontally provided with a mounting rod 47, the end part of the mounting rod 47 is vertically provided with a supporting rod 471, the end part of the supporting rod 471 is provided with an umbrella-shaped material distributing plate 472, the material distributing plate 472 is positioned under the material collecting pipe 461, and the material distributing plate 472 is coaxial with the material collecting pipe 461. After the driving cylinder 431 drives the partition plate 43 to rotate, the soil in the scattering chamber 44 firstly falls into the receiving hopper 46 and then falls onto the distributing plate 472 through the collecting pipe 461, and the soil can uniformly flow to the periphery of the distributing plate 472 and fall due to the umbrella shape of the distributing plate 472, so that a soil drenching film is formed around the distributing plate 472.

The inside wall of barrel 4 is equipped with annular liquid feeding pipe 48, is equipped with a plurality of cartridge feed tubes 481 on the liquid feeding pipe 48 vertically, and a plurality of cartridge feed tubes 481 evenly arranges around dividing flitch 472, and a plurality of shower nozzles 482 evenly arranges on the cartridge feed tube 481, and liquid feeding pipe 48 intercommunication has feed liquor pipe 483, and feed liquor pipe 483 stretches out barrel 4 and can connect in the dosing pump to send the medicament into in the barrel 4. When soil falls from material separating plate 472, shower nozzle 482 can spray the medicament on the soil of whereabouts for soil can with the medicament homogeneous mixing.

Four stirring shafts 49 are arranged on the bottom plate of the cylinder 4, a plurality of stirring blades 491 are arranged on the stirring shafts 49, a power motor 492 is arranged at the bottom of the cylinder 4, and the end part of the stirring shaft 49 penetrates through the bottom plate of the cylinder 4 and is connected to an output shaft of the power motor 492. After the soil falls to the bottom plate of the barrel 4, the stirring shaft 49 and the stirring blades 491 stir the soil, so that the soil and the medicament are further mixed.

The implementation principle of the polluted soil solidification and stabilization system and the method provided by the embodiment of the application is as follows: at first utilize soil screening equipment to screen out the rubble in the soil, then drop into barrel 4 with soil, utilize the mechanism of breaing up to break up soil, utilize branch flitch 472 to make soil form the soil drench membrane at the in-process of whereabouts for shower nozzle 482 can be with even spraying of medicament on soil, recycle (mixing) shaft 49 and stirring leaf 491 further stir soil and medicament, make soil and medicament intensive mixing, thereby effectively improved the mixing uniformity of soil and medicament, ensured the treatment effect to soil.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. Contaminated soil solidification stabilization system, its characterized in that: the soil screening device is used for separating soil and gravels in the soil, the gravels cleaning mechanism is used for cleaning the gravels, and the medicament mixing device is used for mixing the soil and the medicament;

the medicament mixing equipment comprises a barrel (4), wherein a feed hopper (41) is arranged at the top of the barrel (4), a discharge pipe (42) is arranged at the bottom of the barrel (4), two partition plates (43) which are matched with each other are hinged in the barrel (4), the barrel (4) is divided into a scattering chamber (44) positioned at the upper part and a mixing chamber (45) positioned at the lower part by the two partition plates (43), a scattering mechanism for scattering soil is arranged in the scattering chamber (44), and a spraying mechanism for adding a medicament and a stirring mechanism for stirring the soil are arranged in the mixing chamber (45);

and a driving piece for driving the partition plate (43) to rotate around the hinge shaft is arranged in the barrel (4).

2. The contaminated soil solidification stabilization system according to claim 1, wherein: the utility model discloses a spray mechanism, including barrel (4), spray mechanism, medicine adding pipe (481) and medicine adding pipe (481) are fixed on the barrel, the inside wall of barrel (4) is equipped with installation pole (47) that are located division board (43) below, be equipped with bracing piece (471) on installation pole (47), the tip of bracing piece (471) is equipped with umbrella-shaped branch flitch (472), spray mechanism is including locating a plurality of medicine adding pipe (481) on barrel (4) inside wall, and is a plurality of medicine adding pipe (481) are evenly arranged around dividing flitch (472), be equipped with a plurality of shower nozzles (482) on medicine adding pipe (481).

3. The contaminated soil solidification stabilization system according to claim 2, wherein: a receiving hopper (46) positioned between the separation plate (43) and the material distribution plate (472) is arranged in the barrel (4), and the bottom of the receiving hopper (46) is communicated with a material collecting pipe (461).

4. The contaminated soil solidification stabilization system according to claim 1, wherein: the driving piece is a driving cylinder (431) hinged with the inner side wall of the barrel body (4), and an output rod of the driving cylinder (431) is hinged to the partition plate (43).

5. The contaminated soil solidification stabilization system according to claim 1, wherein: be equipped with mounting panel (441) on barrel (4) inside wall, break up the dwang (443) of mechanism on locating mounting panel (441), be equipped with puddler (444) on dwang (443), be equipped with on mounting panel (441) and connect in motor (442) of breaing up of dwang (443).

6. The contaminated soil solidification stabilization system according to claim 1, wherein: the stirring mechanism comprises a stirring shaft (49) arranged on a bottom plate of the barrel body (4), stirring blades (491) are arranged on the stirring shaft (49), a power motor (492) is arranged at the bottom of the barrel body (4), and the stirring shaft (49) penetrates through the bottom of the barrel body (4) and is connected to an output shaft of the power motor (492).

7. The contaminated soil solidification stabilization system according to claim 1, wherein: case (2) and second grade washing case (3) are washd to rubble cleaning equipment including the one-level that communicates each other, the top that case (2) were washd to the one-level is connected with discharge pipe (11), it is both open-ended wash bowl (21) to be equipped with both ends in one-level washing case (2), the bottom of wash bowl (21) articulates there is play flitch (22), a plurality of through-holes (215) have all been opened in wash bowl (21) and play flitch (22), the inside wall that case (2) were washd to the one-level is equipped with shower head (232) of a plurality of orientations wash bowl (21), the bottom slope that case (2) were washd to the one-level is equipped with the play stone pipe (25) that communicates with second grade washing case (3), it has collector pipe (26) to go out stone pipe (25) intercommunication, collector pipe (26) and the mouth of pipe department that goes out stone pipe (25) intercommunication are equipped with filter screen (261).

8. The contaminated soil solidification stabilization system according to claim 7, wherein: the outer side wall of the cleaning barrel (21) is hinged with a power cylinder (24), and an output rod of the power cylinder (24) is hinged with a discharging plate (22).