CN211866170U - Pollute soil mud reaction prosthetic devices - Google Patents
Pollute soil mud reaction prosthetic devices Download PDFInfo
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- CN211866170U CN211866170U CN202020249376.7U CN202020249376U CN211866170U CN 211866170 U CN211866170 U CN 211866170U CN 202020249376 U CN202020249376 U CN 202020249376U CN 211866170 U CN211866170 U CN 211866170U
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Abstract
The utility model provides a polluted soil mud reaction restoration device, which comprises a mud preparation unit, a mud separation unit and a mud dehydration unit; the slurry preparation unit comprises a feeder and a reaction tank, the feeder is connected with the water tank, and a stirring mechanism is arranged in the reaction tank; the mud separation unit comprises a mud screen and a mud collecting tank at the lower part; the lower end of the feeder is connected with the upper end of the reaction tank, slurry in the reaction tank is conveyed to the slurry screening device through the pump, the slurry in the slurry collecting tank enters the slurry dewatering unit through the pump, and the dewatered water is circulated back to the water tank. The utility model discloses with soil through divide in advance, broken back, mix with chemical agent after forming mud, then through screening, dehydration finally obtain the soil that meets the requirements, the water after the dehydration is circulated still, whole prosthetic devices simple structure, easily operation is fit for extensively using widely.
Description
Technical Field
The utility model belongs to the technical field of soil remediation, especially, relate to a pollute soil mud reaction prosthetic devices.
Background
With the acceleration of the urbanization process, many polluted enterprises originally located in urban areas migrate out from urban centers, and meanwhile, with the relocation, production halt and closure of industrial enterprises, a large number of various and complex polluted sites are left, which relate to a plurality of outstanding problems such as soil pollution, underground water pollution, wall and equipment pollution and waste pollution, and become a concomitant product of industrial transformation and urban expansion, and a large number of polluted sites (also called 'brown plots') are generated. The presence of these contaminated sites presents environmental and health risks that hinder urban construction and local economic development. The most direct method is site remediation, which aims to solve the problem of site pollution.
The soil cleaning technology is a repairing technology commonly used in engineering. The soil leaching is a technology for separating heavy polluted soil components or transferring pollutants from soil phase to liquid phase by adding water or a proper synergist and adopting means such as physical separation or synergistic cleaning, and the leaching treatment can effectively reduce the treatment amount of the polluted soil and realize reduction. The ectopic leaching technology is suitable for treating the soil polluted by heavy metal, semi-volatile and nonvolatile organic matters.
The chemical oxidation/reduction technology is to inject oxidant or reducer into the soil in the polluted area, and to convert the pollutants in the soil layer into non-toxic or relatively less toxic substances through oxidation or reduction, so as to achieve the purpose of remediation.
Both remediation techniques have their advantages, cleaning being directed to the stripping of contaminants from the soil, oxidation being directed to the decomposition of contaminants in the soil, and single techniques sometimes being difficult to achieve the intended remediation goal.
Disclosure of Invention
In view of this, the utility model aims at providing a pollute soil mud reaction prosthetic devices will wash and effectively combine with chemical technology, realize polluting the high-efficient restoration of soil.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
a polluted soil mud reaction restoration device comprises a mud preparation unit, a mud separation unit and a mud dehydration unit;
the slurry preparation unit comprises a feeder and a reaction tank, the feeder is connected with the water tank, and a stirring mechanism is arranged in the reaction tank;
the mud separation unit comprises a mud screen and a mud collecting tank at the lower part;
the lower end of the feeder is connected with the upper end of the reaction tank, slurry in the reaction tank is conveyed to the slurry screening device through the pump, the slurry in the slurry collecting tank enters the slurry dewatering unit through the pump, and the dewatered water is circulated back to the water tank.
Further, mud screening ware includes motor and sieve, is provided with the connecting rod of perpendicular to sieve on the sieve, is provided with linear guide below the sieve, and the vertical direction setting of motor is provided with the pole setting and the fixed pole setting that is provided with in position department of non-axle center on the output shaft, connects through the connecting rod between pole setting and the connecting rod, all is connected through the bearing between pole setting, connecting rod and the connecting rod. Preventing the slurry particles from blocking the sieve pores. The sieve plate is driven by the motor to reciprocate along the linear guide rail.
Furthermore, a back washing mechanism is arranged between the sieve plate and the slurry collecting tank, the back washing mechanism consists of a mounting frame and high-pressure nozzles arranged on the mounting frame, and the nozzles of the high-pressure nozzles are all arranged upwards opposite to the sieve plate. In order to prevent the holes of the sieve plate from being blocked, back flushing is carried out by using high-pressure water.
Further, the reaction tank is further connected with a dosing tank, the dosing tank is connected with the reaction tank through a pipeline, and a metering pump is arranged on the pipeline. The chemical agents of different types such as oxidant, reducing agent, stabilizer, curing agent and the like can be stored in the dosing tank, and the dosing is carried out in the reaction tank through a metering pump.
Furthermore, a mixing tank is arranged between the reaction tank and the mud screening device, and a stirring mechanism is arranged in the mixing tank.
Further, the feeder includes the feeder hopper, and the upper end of feeder hopper is provided with the feeding grid board, and the feeder hopper bottom just is located and is provided with the broken mechanism of screw rod on the discharge gate, and the upper end of feeder hopper is provided with the water inlet, and the water tank is connected to the water inlet.
Further, the slurry dewatering unit comprises a horizontal centrifuge. The dehydrated dry material is the repaired soil.
Furthermore, the aperture of the sieve plate is 50-500 μm. The sieve plate is a polyurethane sieve plate.
Furthermore, the aperture of the grid of the feeding grid plate is 5-10 cm.
Furthermore, the screw crushing mechanism is formed by mutually meshing double-shaft or multi-shaft screws.
Control soil particle diameter through the mode of prescreening and screw rod breakage, make the soil particle who gets into blending tank and retort be less than 2cm, make the soil particle fully form mud, mud gets into the retort, accomplish the ration by adding the medicinal cupping and add the medicine, realize the abundant reaction of soil particle in medicament and the mud, realize getting rid of pollutant, mud after the reaction gets into the mud screening ware, get rid of the large granule material that the particle diameter is greater than 0.5cm earlier, then the dehydration is accomplished through horizontal centrifuge to the fine particle mud, realize the final restoration of soil, the product water after the horizontal centrifuge dehydration gets into the water tank, and then reuse.
Compared with the prior art, pollute soil mud reaction prosthetic devices have following advantage:
pollute soil mud reaction prosthetic devices, with soil through divide in advance, broken back, mix with chemical agent after forming mud, then through screening, dehydration finally obtain the soil that meets the requirements, the water after the dehydration is circulated still, whole prosthetic devices simple structure, easily operation is fit for extensively using widely.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is a schematic diagram of a simple structure of a contaminated soil slurry reaction remediation device according to an embodiment of the present invention;
fig. 2 is an enlarged view of a point a in fig. 1.
Description of reference numerals:
1-a reaction tank; 2-a medicine adding tank; 3-a slurry collecting tank; 4-a motor; 5-sieve plate; 6-connecting rod; 7-linear guide rail; 8-erecting a rod; 9-a connecting rod; 10-a high pressure nozzle; 11-a horizontal centrifuge; 12-a mixing tank; 13-a feed hopper; 14-a feed grate plate; 15-a screw crushing mechanism; 16-water tank.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
A polluted soil mud reaction restoration device comprises a mud preparation unit, a mud separation unit and a mud dehydration unit; the slurry preparation unit comprises a feeder and a reaction tank 1, the feeder is connected with a water tank 16, and a stirring mechanism is arranged in the reaction tank 1; the mud separation unit comprises a mud screen and a mud collecting tank 3 at the lower part; the lower end of the feeder is connected with the upper end of the reaction tank 1, the slurry in the reaction tank 1 is conveyed to the slurry screening device through the pump, the slurry in the slurry collecting tank 3 enters the slurry dewatering unit through the pump, and the dewatered water is circulated back to the water tank 16.
The mud screening device comprises the motor 4 and the sieve plate 5, the connecting rod 6 perpendicular to the sieve plate 5 is arranged on the sieve plate 5, the linear guide rail 7 is arranged below the sieve plate 5, the vertical direction of the motor 4 is arranged, the position of the output shaft, which is not the axis center, is fixedly provided with the vertical rod 8, the vertical rod 8 and the connecting rod 6 are connected through the connecting rod 9, and the vertical rod 8, the connecting rod 6 and the connecting rod 9 are connected through the bearing. The screen plate 5 is driven by the motor 4 to reciprocate along the linear guide rail 7.
A back washing mechanism is arranged between the sieve plate 5 and the slurry collecting tank 3, the back washing mechanism comprises an installation frame and high-pressure nozzles 10 arranged on the installation frame, and the nozzles of the high-pressure nozzles 10 are arranged upwards opposite to the sieve plate 5.
Above-mentioned, retort 1 still is connected with medicine adding tank 2, through the pipe connection between medicine adding tank 2 and retort 1, is provided with the measuring pump on the pipeline.
A mixing tank 12 is arranged between the reaction tank 1 and the mud screen, and a stirring mechanism is arranged in the mixing tank 12.
Above-mentioned, the feeder includes feeder hopper 13, and the upper end of feeder hopper 13 is provided with feeding grid plate 14, and feeder hopper 13 bottom just is located and is provided with broken mechanism of screw 15 on the discharge gate, and the upper end of feeder hopper 13 is provided with the water inlet, and water tank 16 is connected to the water inlet.
The slurry dewatering unit comprises a horizontal centrifuge 11 as described above.
The aperture of the sieve plate 5 is 50 to 500 μm.
The aperture of the grid of the feeding grid plate 14 is 5-10 cm.
The screw crushing mechanism 15 is a double-shaft or multi-shaft screw which is engaged with each other.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a pollute soil mud reaction prosthetic devices which characterized in that: comprises a slurry preparation unit, a slurry separation unit and a slurry dehydration unit;
the slurry preparation unit comprises a feeder and a reaction tank, the feeder is connected with the water tank, and a stirring mechanism is arranged in the reaction tank;
the mud separation unit comprises a mud screen and a mud collecting tank at the lower part;
the lower end of the feeder is connected with the upper end of the reaction tank, slurry in the reaction tank is conveyed to the slurry screening device through the pump, the slurry in the slurry collecting tank enters the slurry dewatering unit through the pump, and the dewatered water is circulated back to the water tank.
2. The contaminated soil mud reaction remediation device of claim 1, wherein: the mud screening device comprises a motor and a screen plate, a connecting rod perpendicular to the screen plate is arranged on the screen plate, a linear guide rail is arranged below the screen plate, a vertical rod is arranged in the vertical direction of the motor, the position of the output shaft, which is not the axis center, is fixedly arranged, the vertical rod and the connecting rod are connected through a connecting rod, and the vertical rod, the connecting rod and the connecting rod are connected through bearings.
3. The contaminated soil mud reaction remediation device of claim 2, wherein: a back washing mechanism is arranged between the sieve plate and the slurry collecting tank, the back washing mechanism consists of a mounting frame and high-pressure nozzles arranged on the mounting frame, and the nozzles of the high-pressure nozzles are all arranged upwards opposite to the sieve plate.
4. The contaminated soil mud reaction remediation device of claim 1, wherein: the reaction tank is also connected with a dosing tank, the dosing tank is connected with the reaction tank through a pipeline, and a metering pump is arranged on the pipeline.
5. The contaminated soil mud reaction remediation device of claim 4, wherein: a mixing tank is arranged between the reaction tank and the slurry sieving device, and a stirring mechanism is arranged in the mixing tank.
6. The contaminated soil mud reaction remediation device of claim 1, wherein: the feeder includes the feeder hopper, and the upper end of feeder hopper is provided with the feeding grid board, and the feeder hopper bottom just is located and is provided with the broken mechanism of screw rod on the discharge gate, and the upper end of feeder hopper is provided with the water inlet, and the water tank is connected to the water inlet.
7. The contaminated soil mud reaction remediation device of claim 1, wherein: the mud dewatering unit includes a horizontal centrifuge.
8. The contaminated soil mud reaction remediation device of claim 2, wherein: the aperture of the sieve plate is 50-500 μm.
9. The contaminated soil mud reaction remediation device of claim 6, wherein: the aperture of the grid of the feeding grid plate is 5-10 cm.
10. The contaminated soil mud reaction remediation device of claim 6, wherein: the screw crushing mechanism is formed by mutually meshing double-shaft or multi-shaft screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020249376.7U CN211866170U (en) | 2020-03-03 | 2020-03-03 | Pollute soil mud reaction prosthetic devices |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020249376.7U CN211866170U (en) | 2020-03-03 | 2020-03-03 | Pollute soil mud reaction prosthetic devices |
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| CN211866170U true CN211866170U (en) | 2020-11-06 |
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| CN202020249376.7U Active CN211866170U (en) | 2020-03-03 | 2020-03-03 | Pollute soil mud reaction prosthetic devices |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113182340A (en) * | 2021-05-27 | 2021-07-30 | 郑州德森环境科技有限公司 | Skid-mounted soil remediation scrubbing production line |
-
2020
- 2020-03-03 CN CN202020249376.7U patent/CN211866170U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113182340A (en) * | 2021-05-27 | 2021-07-30 | 郑州德森环境科技有限公司 | Skid-mounted soil remediation scrubbing production line |
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