CN217451470U - Integrated restoration system for polluted site - Google Patents
Integrated restoration system for polluted site Download PDFInfo
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- CN217451470U CN217451470U CN202220092352.4U CN202220092352U CN217451470U CN 217451470 U CN217451470 U CN 217451470U CN 202220092352 U CN202220092352 U CN 202220092352U CN 217451470 U CN217451470 U CN 217451470U
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Abstract
The utility model belongs to the technical field of pollute the place and restore, concretely relates to pollute place integration repair system, include: the device comprises a feeding device, a primary screening device, a primary flushing device, a primary conveying device, a secondary screening device, a secondary flushing device, a secondary conveying device and a medicament mixing device. By designing two-stage mud-rock separation equipment, the construction slag with different particle sizes is screened out in a grading manner, so that the subsequent soil treatment pressure is reduced; and a pretreatment agent is not required to be added, so that the soil remediation process is simplified, and the remediation cost is reduced. Through the integrated automation control such as throwing feeder apparatus with screening plant, material transmission device, washing unit, medicament, improved the automation control level of system, avoided construction machinery's the bad luck, simplified the repair process, reduced material transportation cost, while easy operation, it is convenient to maintain, has improved repair efficiency and has ensured the restoration effect.
Description
Technical Field
The utility model belongs to the technical field of pollute the place restoration, concretely relates to pollute place integration repair system.
Background
At present, the whole national soil environment condition is not optimistic, the soil pollution in partial areas is serious, the quality of the cultivated land soil environment is high, and the soil environment problem of industrial and mining waste land is prominent. The artificial activities of the industrial and mining industry, the agriculture and the like and the high background value of the soil environment are main causes of soil pollution or exceeding standards, and the requirement of soil remediation is urgent.
The place repair mode that uses commonly at present restores for the dystopy excavation, and traditional repair mode is: firstly, excavating soil, screening out building residues in the soil by using screening and crushing equipment, and then adding a medicament to the soil below a screen for further medicament mixing and screening, wherein the repairing mode has the following problems: the degree of automation control is low, the dependence of soil screening pretreatment and medicament mixing on screening equipment is too high, and the treatment efficiency is low; after the screening equipment is used for screening, the small-particle-size building residues still exist in the soil and cannot be screened out, so that the subsequent repair efficiency is influenced; the conventional screening and crushing equipment has poor screening effect on the viscous and wet soil, a pretreatment agent needs to be added to reduce the water content, and the disposal cost is increased; the slag is constructed under the screen, the washing treatment is needed after the transfer, and the disposal efficiency is low.
Based on above current problem, the utility model provides a dregs separation, build sediment and wash, medicament mix integration equipment adopts automated control system, improves repair efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the problem that prior art automated control effect is poor, and the dependency is high to screening crushing equipment.
Therefore, the utility model provides a pollute place integration repair system, include: the device comprises a feeding device, a primary screening device, a primary flushing device, a primary conveying device, a secondary screening device, a secondary flushing device, a secondary conveying device and a medicament mixing device;
the feeding device is used for conveying the polluted soil to the primary screening device;
the primary screening device is used for primary screening of the polluted soil and conveying the building slag which is not screened to the primary washing device;
the primary flushing device is used for flushing the building slag conveyed by the primary screening device;
the primary conveying device is used for conveying the residue soil screened by the primary screening device to the secondary screening device;
the secondary screening device is used for carrying out secondary screening on the residue soil conveyed by the primary conveying device and conveying the unscreened construction residues to the secondary flushing device;
the secondary flushing device is used for flushing the building slag conveyed by the secondary screening device;
the secondary conveying device is used for conveying the polluted soil screened by the secondary screening device to the medicament mixing device;
the agent mixing device is used for mixing the polluted soil and the remediation agent.
Specifically, the feeding device comprises a hopper and a conveying device; a discharge port of the hopper is provided with a control valve I for adjusting the feeding speed of the polluted soil, and a metering device I for metering the feeding amount is arranged below the control valve I; the conveying equipment is used for conveying the polluted soil poured out of the hopper to the primary screening device.
Specifically, the primary screening device and the secondary screening device are roller screens.
Specifically, the gear clearance of the primary screening device is 15-50 cm; the gear clearance of the secondary screening device is 1-15 cm.
Specifically, the primary flushing device comprises a vibration platform and high-pressure flushing equipment; after the vibrating platform receives the unscreened building slag conveyed by the primary screening device, the high-pressure flushing equipment flushes the building slag.
Specifically, the primary conveying device and the secondary conveying device are belt conveyors.
Specifically, the secondary flushing device comprises a feeding hole and a roller; building slag which is conveyed by the secondary screening device and is not screened enters the roller through the feed inlet; a scraper is arranged inside the roller.
Specifically, the chemical mixing device is a double-shaft horizontal mixer or a straight pin wheel mixer.
Specifically, the integrated remediation system for the polluted site further comprises a medicament adding device for adding remediation medicaments to the medicament mixing device.
Specifically, the medicament adding device comprises a medicament bin; and a control valve II for adjusting the adding speed of the repairing medicament is arranged at the outlet of the medicament bin, and a metering device II for metering the adding amount is arranged below the control valve II.
Compared with the prior art, the utility model has the advantages of it is following and beneficial effect:
1. the utility model provides an integrated restoration system for polluted sites, which screens the construction slag with different particle sizes in a grading way by designing two-stage mud-stone separation equipment, thereby reducing the subsequent soil treatment pressure; different devices are respectively adopted for flushing the construction slag with different particle sizes, so that the repair efficiency is improved, and the construction slag flushing effect is guaranteed; utilize the cooperation of cylinder roller bearing sieve leaf dish and axle to circulate and transport, through the continuous motion, the clay in the contaminated soil that is difficult to separate humidity, clay etc. with build the sediment separation, consequently need not to throw and add pretreatment agent, simplified the soil repair process, reduced the repair cost.
2. The utility model provides a this kind of pollute place integration repair system has improved the automation control level of system through throwing integration automated control such as feeder apparatus with screening plant, material transmission device, washing unit, medicament, has avoided the fortune of construction machinery, has simplified the repair process, has reduced material transportation cost, and easy operation simultaneously maintains the convenience, has improved repair efficiency and has ensured the repair effect. The repair system can be fixed on a movable flat car according to the handling capacity, and the mobility of the equipment system is improved. The method can flexibly adjust production technical parameters, water consumption and medicament quantity parameters according to the type of the polluted soil, the size and the content of the building slag particle size, the repairing work amount, the repairing medicament type and the like, and is suitable for the ex-situ repairing treatment of various polluted sites.
The present invention will be described in further detail with reference to the accompanying drawings.
Drawings
Fig. 1 is the utility model discloses a contaminated site integration repair system schematic diagram.
Description of reference numerals: 100. a feeding device; 101. a hopper; 102. a control valve I; 103. a metering device I; 104. a conveying device; 200. a primary screening device; 300. a first-stage flushing device; 301. a vibration platform; 302. high pressure flushing equipment; 400. a primary conveying device; 500. a secondary screening device; 600. a secondary flushing device; 601. a feed inlet; 602. a drum; 603. a squeegee; 700. a secondary delivery device; 800. a medicament mixing device; 900. a medicament adding device; 901. a medicament bin; 902. a control valve II; 903. and a metering device II.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention.
Referring to fig. 1, the utility model provides a pollute place integration repair system, include: the device comprises a feeding device 100, a primary screening device 200, a primary flushing device 300, a primary conveying device 400, a secondary screening device 500, a secondary flushing device 600, a secondary conveying device 700 and a medicament mixing device 800; during practical use, the feeding device 100 sends the polluted soil dug by the excavator into the primary screening device 200 for primary screening, the large-particle-size building slag which is not screened is conveyed to the primary washing device 300, the large-particle-size building slag is washed in the primary washing device 300, the small-particle-size building slag and the polluted soil enter the primary conveying device 400 after being screened, and the small-particle-size building slag and the polluted soil are conveyed to the secondary screening device 500 by the primary conveying device 400 for secondary screening. The sediment is built to small-particle size that does not sieve carries to second grade washing unit 600, accomplishes the washing of sediment is built to small-particle size in second grade washing unit 600, pollutes soil and gets into second grade conveyor 700 after sieving, carries to medicament mixing arrangement 800 by second grade conveyor 700, will pollute soil and repair the medicament mixture, finally carries to the ejection of compact and piles the place.
In order to avoid overloading the system by too much or too fast feeding, the feeding device 100 comprises a hopper 101 and a conveying apparatus 104; the discharge gate of hopper 101 is equipped with can adjust soil feed rate's control valve I102 according to the feeding demand, and control valve I102 below is equipped with the metering device I103 that carries out real-time measurement to the feed rate, and conveying equipment 104 is arranged in carrying the contaminated soil who pours out in the hopper 101 for one-level screening plant 200. The hopper 101 capacity can be designed to be 1-100m according to the disposal requirement 3 The feeding efficiency can be adjusted between 1 t/h and 300 t/h; the conveying device 104 is preferably a belt conveyor, the conveying capacity is 1-300t/h, the width of the belt conveyor is 0.2-2m, and the belt conveying distance is 2-100 m.
Further, one-level screening plant 200 is the roller screen, utilizes the cooperation of cylinder roller screen leaf dish and axle, breaks up the contaminated soil who treats the screening, sieves through the rotation of axle to through the shape fit of power and leaf dish, circulate and transport simultaneously, through continuous motion, the clay in the contaminated soil that is difficult to separate such as humidity with build the sediment separation. The polluted soil and the building slag with small particle size are screened from the gap between the gears to the lower first-stage conveying device 400, the building slag with large particle size is conveyed to the subsequent first-stage washing device 300 through the rotation of the gears, the gap between the gears of the first-stage screening device 200 can be adjusted between 15cm and 50cm according to the particle size characteristics of the building slag, and the conveying capacity of the building slag can be adjusted between 1 t/h and 300t/h by adjusting the rotating speed of the gears. The secondary screening device 500 can be the same as the primary screening device 200, a roller screen is selected, the polluted soil is screened from the gap of the gear to the secondary conveying device 700 below, small-particle-size building slag is conveyed to the subsequent secondary washing device 600 through the rotation of the gear, the gap of the gear of the secondary screening device 500 can be adjusted between 1 cm and 15cm according to the particle size characteristics of the building slag, and the conveying capacity of the building slag can be adjusted between 1 t/h and 300t/h by adjusting the rotating speed of the gear.
The primary flushing device 300 comprises a vibrating platform 301 and a high-pressure flushing device 302; after the vibration platform 301 receives the large-particle-size building slag conveyed by the primary screening device 200, the building slag stones are continuously turned and conveyed on the platform by utilizing the back-and-forth vibration of the vibration platform 301, meanwhile, the high-pressure flushing equipment 302 flushes the surface of the building slag, and the flushing water quantity of the high-pressure flushing equipment 302 can be 0-200m according to the requirement 3 The/h is regulated, and the flushing pressure can be regulated at 0-20 MPa.
Preferably, the primary conveyor 400 and the secondary conveyor 700 are belt conveyors. The conveying capacity of each set of belt conveyor is 1-300t/h, the width of the belt conveyor is 0.2-2m, and the conveying distance of the belt is 2-100 m.
The secondary flushing device 600 comprises a feed inlet 601 and a roller 602; a scraper 603 is provided inside the drum 602. The sediment of building that secondary screening plant 500 carried gets into cylinder 602 through feed inlet 601 simultaneously with water, utilizes the rotation of cylinder 602 self and the scraper blade 603 of inside setting will build the adnexed contaminated soil in sediment surface and wash totally, because the sediment stone of building of thickness difference rolls with water and stirs together, can effectually will be attached to and separate at the contaminated soil on sediment surface of building, will pollute and build the sediment and wash totally. The drum 602 has a diameter in the range of 0.5m to 10m and a length in the range of 1m to 20m, depending on the amount of disposal required. The roller 602 may be made of stainless steel, carbon steel, glass fiber reinforced plastic, polyester plastic, etc. according to the requirements of corrosion resistance and strength.
Further, the chemical mixing device 800 may be a double-shaft horizontal mixer or a straight pin wheel mixer. The agent mixing device 800 can be selected according to the soil type, preferably is a double-shaft horizontal mixer, and utilizes the synchronous rotation of two symmetrical screw shafts, the remediation agent is added while the polluted soil is conveyed, the polluted soil and the remediation agent are conveyed while being mixed, and finally conveyed to a discharging and stacking site after being uniformly mixed. The processing capacity of the drug mixing device 800 is between 1-300t/h, depending on the amount of treatment required. The material of the chemical mixing device 800 may be stainless steel, carbon steel, glass fiber reinforced plastic, polyester plastic, etc. according to the requirements of corrosion resistance and strength.
In a detailed embodiment, the integrated remediation system for a contaminated site further includes a drug adding device 900 for adding a remediation drug to the drug mixing device 800. Preferably, the medicament adding device 900 comprises a medicament bin 901; a control valve II 902 is arranged at the outlet of the medicament bin 901, and a metering device II 903 is arranged below the control valve II 902. When the device is used, repairing agents are manually added into the agent bin 901, the agent adding acceleration is adjusted by the aid of the control valve II 902 according to agent adding proportion requirements, and the adding amount is measured through the metering device II 903. According to the requirement of medicine adding, the capacity of the medicine bin 901 is 1-100m 3 The medicine adding rate can be adjusted between 0.1 t/h and 30 t/h.
The above illustration is merely an illustration of the present invention, and does not limit the scope of the present invention, and all designs identical or similar to the present invention are within the scope of the present invention.
Claims (10)
1. An integrated remediation system for a contaminated site, comprising: the device comprises a feeding device (100), a primary screening device (200), a primary washing device (300), a primary conveying device (400), a secondary screening device (500), a secondary washing device (600), a secondary conveying device (700) and a medicament mixing device (800);
the feeding device (100) is used for conveying the polluted soil to the primary screening device (200);
the primary screening device (200) is used for primary screening of the polluted soil and conveying the building slag which is not screened to the primary washing device (300);
the primary flushing device (300) is used for flushing the building slag conveyed by the primary screening device (200);
the primary conveying device (400) is used for conveying the residue soil screened by the primary screening device to the secondary screening device (500);
the secondary screening device (500) is used for carrying out secondary screening on the dregs conveyed by the primary conveying device (400) and conveying the building dregs which are not screened to the secondary flushing device (600);
the secondary washing device (600) is used for washing the construction slag conveyed by the secondary screening device (500);
the secondary conveying device (700) is used for conveying the polluted soil screened by the secondary screening to the medicament mixing device (800);
the agent mixing device (800) is used for mixing contaminated soil and remediation agents.
2. The integrated remediation system for a contaminated site of claim 1, wherein: the feeding device (100) comprises a hopper (101) and a conveying apparatus (104); a discharge hole of the hopper (101) is provided with a control valve I (102) for adjusting the feeding speed of the polluted soil, and a metering device I (103) for metering the feeding amount is arranged below the control valve I (102); the conveying equipment (104) is used for conveying the polluted soil poured out of the hopper (101) to the primary screening device (200).
3. The integrated remediation system for a contaminated site of claim 1, wherein: the primary screening device (200) and the secondary screening device (500) are roller screens.
4. The integrated contaminated site remediation system of claim 3, wherein: the gear clearance of the primary screening device (200) is 15-50 cm; the gear clearance of the secondary screening device (500) is 1-15 cm.
5. The integrated remediation system for a contaminated site of claim 1, wherein: the primary flushing device (300) comprises a vibration platform (301) and a high-pressure flushing device (302); after the vibrating platform (301) receives the unscreened building slag conveyed by the primary screening device (200), the high-pressure flushing equipment (302) flushes the building slag.
6. The integrated remediation system for a contaminated site of claim 1, wherein: the primary conveying device (400) and the secondary conveying device (700) are belt conveyors.
7. The integrated contaminated site remediation system of claim 1, wherein: the secondary flushing device (600) comprises a feed inlet (601) and a roller (602); the building slag which is not screened and conveyed by the secondary screening device (500) enters the roller (602) through the feed port (601); a scraper (603) is arranged inside the roller (602).
8. The integrated remediation system for a contaminated site of claim 1, wherein: the medicament mixing device (800) is a double-shaft horizontal mixer or a straight pin wheel type mixer.
9. The integrated remediation system for a contaminated site of claim 1, wherein: the device also comprises a medicament adding device (900) used for adding a repairing medicament into the medicament mixing device (800).
10. The contaminated site integrated remediation system of claim 9, wherein: the medicament adding device (900) comprises a medicament bin (901); and a control valve II (902) for adjusting the adding speed of the repairing medicament is arranged at the outlet of the medicament bin (901), and a metering device II (903) for metering the adding amount is arranged below the control valve II (902).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220092352.4U CN217451470U (en) | 2022-01-14 | 2022-01-14 | Integrated restoration system for polluted site |
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| CN202220092352.4U CN217451470U (en) | 2022-01-14 | 2022-01-14 | Integrated restoration system for polluted site |
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| CN217451470U true CN217451470U (en) | 2022-09-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116441294A (en) * | 2023-04-07 | 2023-07-18 | 中化环境修复(上海)有限公司 | Soil remediation method and soil remediation equipment |
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- 2022-01-14 CN CN202220092352.4U patent/CN217451470U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116441294A (en) * | 2023-04-07 | 2023-07-18 | 中化环境修复(上海)有限公司 | Soil remediation method and soil remediation equipment |
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