CN216606641U - Water circulation soil remediation leaching device - Google Patents
Water circulation soil remediation leaching device Download PDFInfo
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- CN216606641U CN216606641U CN202123121801.8U CN202123121801U CN216606641U CN 216606641 U CN216606641 U CN 216606641U CN 202123121801 U CN202123121801 U CN 202123121801U CN 216606641 U CN216606641 U CN 216606641U
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Abstract
The utility model discloses a water circulation soil remediation leaching device. This kind of drip washing device is restoreed to hydrologic cycle soil, the export of grit screening machine is through first pipeline and drum mixer access connection, and the drum mixer export is through second pipeline and pipe chute sedimentation tank access connection, and pipe chute sedimentation tank bottom is equipped with the mud export, and the mud export is through third pipeline and plate and frame filter press access connection, and grit screening machine feed inlet department is equipped with first water pipe way, and drum mixer feed inlet department is equipped with second water pipe way and adds the medicine pipeline. The device has a simple structure, a first water adding pipeline is arranged at the feed inlet of the sand and stone screening machine, polluted soil is diluted by adding water, and large-particle stones are screened out by the sand and stone screening machine, so that the subsequent devices are all used for treating liquid slurry, and compared with the solid crushing treatment in the prior art, the device is more sufficient and thorough; meanwhile, the whole treatment process is operated automatically through machinery, so that the labor cost is reduced, and time and labor are saved.
Description
Technical Field
The utility model relates to the technical field of soil remediation devices, in particular to a water circulation soil remediation leaching device.
Background
In recent years, with the continuous development of economy and industry, the upgrading of industrial structures and the acceleration of urban construction speed in China, a large number of sites left by urban industrial enterprises after relocation have serious pollution problems, pollutants remained in the site soil seriously threaten the life health of human beings, seriously threaten the ecological environment and also influence the re-development and utilization of the land.
In the soil remediation industry, more than one hundred soil remediation technologies exist, more than ten soil remediation technologies exist, and the technologies can be roughly divided into three methods, namely physical methods, chemical methods and biological methods. Among a plurality of soil remediation technologies, the soil chemical leaching technology is a commonly used remediation technology means in China at present.
The soil chemical leaching technology is to excavate polluted soil, clean the soil with water and chemical agents to achieve the purpose of removing pollutants, treat waste liquid containing the pollutants and recycle the leached clean soil.
At present, a chemical leaching method is used for soil remediation, and on one hand, the problem that leaching liquor and soil are not sufficiently mixed in the soil remediation process, so that pollutants are not thoroughly and sufficiently separated from the soil can occur. On the other hand pollutes soil and before getting into soil drip washing equipment, often need carry out preliminary treatment to soil, carries out the breakage with bold soil, and this process often adopts the bobbing machine breakage, but crushing effect is not good, often still needs the manual work to carry out the secondary breakage to the bold soil that does not shake garrulous, has increased labour cost, and wastes time and energy.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a water circulation soil remediation leaching device, which aims to solve the problem that the leaching solution is not fully mixed with soil in the soil remediation process proposed in the background technology, so that the separation of pollutants and soil is not thorough and insufficient; before soil enters the soil leaching equipment, the soil is subjected to preliminary treatment and screening to achieve the effect, the labor cost is increased, and time and labor are wasted.
The technical scheme adopted by the utility model for solving the technical problems is as follows: a water circulation soil remediation leaching device comprises a sand-stone screening machine, a roller mixer, an inclined tube sedimentation tank and a plate-and-frame filter press, wherein an outlet of the sand-stone screening machine is connected with an inlet of the roller mixer through a first pipeline, an outlet of the roller mixer is connected with an inlet of the inclined tube sedimentation tank through a second pipeline, a slurry outlet is arranged at the bottom of the inclined tube sedimentation tank, the slurry outlet is connected with an inlet of the plate-and-frame filter press through a third pipeline, and the plate-and-frame filter press filters slurry to obtain qualified soil;
sandstone screening machine feed inlet department is equipped with first water pipe way, and cylinder mixer feed inlet department is equipped with second water pipe way and adds the medicine pipeline.
The water circulation soil remediation leaching device also comprises a sewage treatment device, wherein a wastewater outlet is arranged at the upper part of the inclined tube sedimentation tank and is connected with an inlet of the sewage treatment device through a fourth pipeline, and the sewage treatment device is provided with a first water outlet and a second water outlet; the first water outlet is connected with a fifth pipeline which is communicated with the first water adding pipeline; the second water outlet is connected with a sixth pipeline, and the sixth pipeline is connected with a second water adding pipeline.
The water circulation soil remediation leaching device further comprises a soil finished product frame and a soil raw material frame, the soil raw material frame sends the soil raw material to be treated to the sand screening machine through the feeding device, and the qualified soil after filter pressing is collected to the soil finished product frame through the collecting device by the plate and frame filter press.
Furthermore, the roller mixer comprises a base and a roller main body arranged on the base, wherein the roller main body comprises a first inclined cylinder part, a second inclined cylinder part and a third inclined cylinder part which are sequentially connected, a feeding end is arranged on the first inclined cylinder part, a discharging end is arranged on the third inclined cylinder part, and the discharging end is lower than the feeding end; the inner wall of the roller main body is provided with a spiral stirring blade for stirring soil.
Further, an included angle alpha between the bottom inclined plane and the vertical plane of the first inclined cylinder part is 60 degrees, an included angle beta between the bottom inclined plane and the vertical plane of the second inclined cylinder part is 75 degrees, and an included angle gamma between the bottom inclined plane and the vertical plane of the third inclined cylinder part is 95 degrees.
Furthermore, a first conveying pump is arranged on the first pipeline, a second conveying pump is arranged on the second pipeline, and a third conveying pump is arranged on the third pipeline.
Further, a fourth delivery pump is arranged on the fourth pipeline.
The utility model has the beneficial effects that: the utility model has simple structure, reasonable design and simple and convenient operation, and has the following advantages:
(1) the feed inlet of the sand and stone screening machine is provided with a first water adding pipeline, polluted soil is diluted by adding water, and large-particle stones are screened out by the sand and stone screening machine, so that subsequent devices are more sufficient and thorough in liquid slurry treatment compared with the solid crushing treatment in the prior art; meanwhile, the whole treatment process is automatically operated by machinery, so that the labor cost is reduced, and the time and the labor are saved;
(2) the waste water on the upper layer of the inclined tube sedimentation tank is conveyed to a sewage treatment device through a fourth pipeline 10 for treatment, the sewage treatment device adopts a sewage filtering device, the waste water is filtered, one part of the waste water enters a sand stone screening machine through a fifth pipeline and a first water adding pipeline, the other part of the waste water enters a roller stirring machine through a sixth pipeline and a second water adding pipeline, the waste water on the upper layer of the inclined tube sedimentation tank can be repeatedly recycled after being filtered, and the device is green and contributes to energy conservation and emission reduction.
Drawings
The utility model is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a block diagram of the architecture of the present invention;
FIG. 3 is a schematic view of the construction of the drum mixer.
In the figure: 1. the system comprises a sand and stone screening machine, 2, a first delivery pump, 3, a roller mixer, 4, an inclined tube sedimentation tank, 5, a sewage treatment device, 6, a plate and frame filter press, 7, a first pipeline, 8, a second pipeline, 9, a third pipeline, 10, a fourth pipeline, 11, a fifth pipeline, 12, a feeding device, 13, a first water adding pipeline, 14, a second water adding pipeline, 15, a medicine adding pipeline, 16, a second delivery pump, 17, a third delivery pump, 18, a fourth delivery pump, 19, a sixth pipeline, 20, a collecting device, 21, a soil finished product frame, 22, a soil raw material frame, 31, a feeding end, 32, a discharging end, 33, a stirring blade, 34, a first inclined tube part, 35, a second inclined tube part and 36, and a third inclined tube part.
Detailed Description
The utility model will now be described in further detail with reference to the drawings and preferred embodiments. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
The water circulation soil remediation leaching device shown in fig. 1-3 comprises a sand-stone screening machine 1, a roller mixer 3, an inclined tube sedimentation tank 4 and a plate-and-frame filter press 6, wherein an outlet of the sand-stone screening machine 1 is connected with an inlet of the roller mixer 3 through a first pipeline 7, an outlet of the roller mixer 3 is connected with an inlet of the inclined tube sedimentation tank 4 through a second pipeline 8, a slurry outlet is arranged at the bottom of the inclined tube sedimentation tank 4, the slurry outlet is connected with an inlet of the plate-and-frame filter press 6 through a third pipeline 9, and the plate-and-frame filter press 6 performs filter pressing on slurry to obtain qualified soil; the feed inlet of the sand and stone screening machine 1 is provided with a first water adding pipeline 13, and the feed inlet of the drum mixer 3 is provided with a second water adding pipeline 14 and a medicine adding pipeline 15.
The water circulation soil remediation leaching device further comprises a sewage treatment device 5, a wastewater outlet is arranged at the upper part of the inclined tube sedimentation tank 4 and is connected with an inlet of the sewage treatment device 5 through a fourth pipeline 10, and the sewage treatment device 5 is provided with a first water outlet and a second water outlet; the first water outlet is connected with a fifth pipeline 11, and the fifth pipeline 11 is communicated with a first water adding pipeline 13; the second water outlet is connected with a sixth pipeline 19, and the sixth pipeline 19 is connected with the second water adding pipeline 14.
The water circulation soil remediation leaching device further comprises a soil finished product frame 21 and a soil raw material frame 22, the soil raw material frame 22 sends the soil raw materials to be treated to the sand-stone screening machine 1 through the feeding device 12, and the plate-and-frame filter press 6 collects the qualified soil after filter pressing to the soil finished product frame 21 through the collecting device 20.
The drum mixer 3 comprises a base and a drum body arranged on the base, wherein the drum body comprises a first inclined drum part 34, a second inclined drum part 35 and a third inclined drum part 36 which are sequentially connected, a feeding end 31 is arranged on the first inclined drum part 34, a discharging end 32 is arranged on the third inclined drum part 36, and the discharging end 32 is lower than the feeding end 31; the inner wall of the roller body is provided with a spiral stirring blade 33 for stirring soil.
An angle α between the bottom inclined surface and the vertical surface of the first inclined tube portion 34 is 60 °, an angle β between the bottom inclined surface and the vertical surface of the second inclined tube portion 35 is 75 °, and an angle γ between the bottom inclined surface and the vertical surface of the third inclined tube portion 36 is 95 °.
The first pipeline 7 is provided with a first delivery pump 2, the second pipeline 8 is provided with a second delivery pump 16, the third pipeline 9 is provided with a third delivery pump 17, and the fourth pipeline 10 is provided with a fourth delivery pump 18.
The water circulation soil remediation leaching device has the working process as follows:
(1) the soil is excavated by an excavating device, the polluted soil to be treated is concentrated to a soil raw material frame 22 and is sent to a feeding hole of a sand-stone screening machine 1 through a feeding device 12, a first water adding pipeline 13 is arranged at the feeding hole of the sand-stone screening machine 1, the polluted soil is diluted by adding water and is screened by a screen of the sand-stone screening machine 1, large stones are screened out, and after the soil with small particles is mixed with water, the mixture of the soil and the water is conveyed to a drum mixer 3 through a first pipeline 7 under the work of a first conveying pump 2;
(2) a second water adding pipeline 14 and a medicine adding pipeline 15 are arranged at a feed inlet of the roller mixer 3, the soil entering an inner cavity of the roller mixer 3 is subjected to leaching and medicine adding treatment processes, a stirring blade 33 is arranged in the roller mixer 3, and the stirring blade 33 is designed into a spiral shape according to an Archimedes spiral curve and a logarithmic spiral curve; an included angle alpha between the bottom inclined plane and the vertical plane of the first inclined cylinder part 34 is 60 degrees, an included angle beta between the bottom inclined plane and the vertical plane of the second inclined cylinder part 35 is 75 degrees, and an included angle gamma between the bottom inclined plane and the vertical plane of the third inclined cylinder part 36 is 95 degrees; by adopting the structure of the roller stirrer 3, the soil stirring is facilitated, the discharging speed is ensured, so that the material stirring in the inner cavity of the roller stirrer 3 is more uniform and sufficient, the medicine can fully react to play a role in repairing the soil, the roller stirrer 3 plays a role in conveying and repairing the soil, and the working efficiency of the whole water circulation soil repairing and leaching device is ensured;
(3) the soil slurry after being fully stirred is conveyed to an inclined tube sedimentation tank 4, and after sedimentation is carried out in the inclined tube sedimentation tank 4, a layering phenomenon can occur, wherein the upper layer is waste water containing pollutants, and the lower layer is restored soil; the fourth conveying pump 18 works to convey the wastewater on the upper layer of the inclined tube sedimentation tank 4 to the sewage treatment device 5 through the fourth pipeline 10 for treatment, the sewage treatment device 5 adopts a sewage filtering device, after the wastewater is filtered, one part of the wastewater enters the sand-stone screening machine 1 through the fifth pipeline 11 and the first water adding pipeline 13, the other part of the wastewater enters the drum mixer 3 through the sixth pipeline 19 and the second water adding pipeline 14, the fifth pipeline 11 and the sixth pipeline 19 are respectively provided with a conveying pump (not shown in the figure), and the wastewater on the upper layer of the inclined tube sedimentation tank 4 can be repeatedly recycled after being filtered, so that the device is green and environment-friendly, and is beneficial to energy conservation and emission reduction; the precipitated soil at the lower layer of the inclined tube sedimentation tank 4 is conveyed to a plate-and-frame filter press 6 through a third pipeline 9 arranged at the bottom of the inclined tube sedimentation tank 4;
(4) and the plate and frame filter press 6 filters the soil into soil blocks, and the qualified soil blocks after filter pressing are collected to a soil finished product frame 21 through a collecting device 20.
The water circulation soil remediation leaching device is simple in structure, reasonable in design, simple and convenient to operate, and has the following advantages:
(1) the feed inlet of the sand and stone screening machine 1 is provided with a first water adding pipeline 13, polluted soil is diluted by adding water, and large-particle stones are screened out by the sand and stone screening machine 1, so that subsequent devices are used for treating liquid slurry, and compared with the solid crushing treatment in the prior art, the treatment is more sufficient and thorough; meanwhile, the whole treatment process is automatically operated by machinery, so that the labor cost is reduced, and the time and the labor are saved;
(2) the waste water on the upper layer of the inclined tube sedimentation tank 4 is conveyed to the sewage treatment device 5 through the fourth pipeline 10 for treatment, the sewage treatment device 5 adopts a sewage filtering device, the waste water is filtered, one part enters the sand and stone screening machine 1 through the fifth pipeline 11 and the first water adding pipeline 13, the other part enters the roller stirring machine 3 through the sixth pipeline 19 and the second water adding pipeline 14, the waste water on the upper layer of the inclined tube sedimentation tank 4 can be repeatedly recycled after being filtered, the device is green and environment-friendly, and the energy conservation and emission reduction are facilitated.
While particular embodiments of the present invention have been described in the foregoing specification, the present invention is not limited to the specific embodiments, and modifications and variations of the foregoing detailed description can be made by those skilled in the art without departing from the spirit and scope of the utility model.
Claims (7)
1. The utility model provides a drip washing device is restoreed to hydrologic cycle soil which characterized in that: the device is provided with a sand and stone screening machine (1), a roller mixer (3), an inclined tube sedimentation tank (4) and a plate and frame filter press (6), wherein the outlet of the sand and stone screening machine (1) is connected with the inlet of the roller mixer (3) through a first pipeline (7), the outlet of the roller mixer (3) is connected with the inlet of the inclined tube sedimentation tank (4) through a second pipeline (8), the bottom of the inclined tube sedimentation tank (4) is provided with a slurry outlet, the slurry outlet is connected with the inlet of the plate and frame filter press (6) through a third pipeline (9), and the plate and frame filter press (6) filters the slurry to obtain qualified soil;
grit screening machine (1) feed inlet department is equipped with first water pipeline (13), and cylinder mixer (3) feed inlet department is equipped with second water pipeline (14) and adds medicine pipeline (15).
2. The water circulation soil remediation leaching device of claim 1, wherein: the device is characterized by also comprising a sewage treatment device (5), wherein a wastewater outlet is arranged at the upper part of the inclined tube sedimentation tank (4), the wastewater outlet is connected with an inlet of the sewage treatment device (5) through a fourth pipeline (10), and the sewage treatment device (5) is provided with a first water outlet and a second water outlet; the first water outlet is connected with a fifth pipeline (11), and the fifth pipeline (11) is communicated with the first water adding pipeline (13); the second water outlet is connected with a sixth pipeline (19), and the sixth pipeline (19) is connected with the second water adding pipeline (14).
3. The water circulating soil remediation washing apparatus of claim 1 or 2, wherein: the device is characterized by further comprising a finished soil frame (21) and a raw soil frame (22), wherein the raw soil frame (22) sends the raw soil to be treated to the sand-stone screening machine (1) through the feeding device (12), and the plate-frame filter press (6) collects the qualified soil after filter pressing to the finished soil frame (21) through the collecting device (20).
4. The water circulation soil remediation leaching device of claim 1, wherein: the drum mixer (3) comprises a base and a drum body arranged on the base, wherein the drum body comprises a first inclined drum part (34), a second inclined drum part (35) and a third inclined drum part (36) which are sequentially connected, a feeding end (31) is arranged on the first inclined drum part (34), a discharging end (32) is arranged on the third inclined drum part (36), and the discharging end (32) is lower than the feeding end (31); the inner wall of the roller body is provided with a spiral stirring blade (33) for stirring soil.
5. The water circulation soil remediation leaching apparatus of claim 4, wherein: the included angle alpha between the bottom inclined plane and the vertical plane of the first inclined cylinder part (34) is 60 degrees, the included angle beta between the bottom inclined plane and the vertical plane of the second inclined cylinder part (35) is 75 degrees, and the included angle gamma between the bottom inclined plane and the vertical plane of the third inclined cylinder part (36) is 95 degrees.
6. The water circulation soil remediation leaching device of claim 1, wherein: the device is characterized in that a first conveying pump (2) is arranged on the first pipeline (7), a second conveying pump (16) is arranged on the second pipeline (8), and a third conveying pump (17) is arranged on the third pipeline (9).
7. The water circulation soil remediation leaching apparatus of claim 2, wherein: and a fourth delivery pump (18) is arranged on the fourth pipeline (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123121801.8U CN216606641U (en) | 2021-12-13 | 2021-12-13 | Water circulation soil remediation leaching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123121801.8U CN216606641U (en) | 2021-12-13 | 2021-12-13 | Water circulation soil remediation leaching device |
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| Publication Number | Publication Date |
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| CN216606641U true CN216606641U (en) | 2022-05-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202123121801.8U Active CN216606641U (en) | 2021-12-13 | 2021-12-13 | Water circulation soil remediation leaching device |
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| CN (1) | CN216606641U (en) |
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2021
- 2021-12-13 CN CN202123121801.8U patent/CN216606641U/en active Active
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