CN107117729A - A kind of vehicle-mounted soil diafiltration desorption system and its method of work - Google Patents
A kind of vehicle-mounted soil diafiltration desorption system and its method of work Download PDFInfo
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- CN107117729A CN107117729A CN201710347048.3A CN201710347048A CN107117729A CN 107117729 A CN107117729 A CN 107117729A CN 201710347048 A CN201710347048 A CN 201710347048A CN 107117729 A CN107117729 A CN 107117729A
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- Prior art keywords
- sewage
- car body
- water
- heavy metal
- mud
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Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/02—Extraction using liquids, e.g. washing, leaching, flotation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/16—Regeneration of sorbents, filters
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Soil Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Centrifugal Separators (AREA)
Abstract
The invention discloses a kind of vehicle-mounted soil diafiltration desorption system and its method of work, described system includes slush pump, centrifuge, retractable spiral conveyer, intake pump, first-level buffer pond, disc type coarse filter, level 2 buffering pond, cartridge filter, film filter, heavy metal concentration collection, storage tank, water outlet detector, pure water inlet, unqualified water refluxing opening and backwash blower fan.The present invention is by carrying out sewage water filtration and heavy metal separation to mud, the mud cake formed conveniently transports the place specified, the clear water formed can be discharged directly or secondary recycling, it also been removed heavy metal in soil simultaneously, it is to avoid the secondary pollution of chemical reagent and the heavy metal of residual to soil in lessivation.All processing equipment integrated installations were formd a set of mobile mud and sewage processing equipment by the present invention on a chassis, both, optimized installing space；Transport is facilitated again, and soil restoring device can be coordinated to leave at any time needs the place of soil remediation.
Description
Technical field
The present invention relates to a kind of vehicle-mounted integrated form soil restoring device, oozing after particularly a kind of vehicle-mounted soil elution reparation
Filter desorption system.
Background technology
At present, China's soil contamination problem is very prominent, and the environmental problem thus brought increasingly causes the attention of country.
At the same time, the various technical research for being used for handling soil and equipment development are developed rapidly.Soil restoring technology mainly includes life
Contaminated soil remediation technology including thing reparation, peripheral doses, chemical remediation and its combined remediation technology, it is relative with these technologies
The soil remediation equipment answered is varied, but basic all in single device separated type arrangement, and its induction system is substantially with equipment
It is fixed on specific occasion to be operated, it is impossible to preferably meet remediation contaminated soil.
In order to improve the efficiency and emergency capability of soil remediation processing, applicant proposed《A kind of vehicle-mounted integrated form soil
Elute prosthetic device》(number of patent application 2016100279663), the device is including vehicle-mounted by all devices with soil remediation
Induction system, the broken module of screening, chemical leaching stirring centrifuge module and energy supply module are integrated in a transport vehicle
Bottom plate on, the functions such as induction system during soil remediation, screening broken, soil remediation and energy supply are integrated in one and put down
On platform, form a set of highly integrated, independent completion soil remediation equipment, can be as needed, leave at any time need into
The place of row soil remediation.But the soil after being handled through the device can not transport directly to other places as mud, both,
And chemical reagent when in mud also containing elution, secondary pollution can be caused；Meanwhile, heavy metal is included in the mud eluted
Pollutant, if directly discharged, does not reach the purpose of soil remediation.Therefore need to carry out mud diafiltration desorption processing, but
Because vehicle-mounted soil elution prosthetic device is new innovation and creation, without ready-made diafiltration desorption system it is available, it is necessary to design with
The diafiltration desorption system that the prosthetic device matches.
The content of the invention
To solve the above mentioned problem that prior art is present, the present invention will design a kind of secondary pollution that can eliminate soil simultaneously
Facilitate soil transport, facilitate vehicle-mounted integrated vehicle-mounted soil diafiltration desorption system and its method of work again.
To achieve these goals, technical scheme is as follows：A kind of vehicle-mounted soil is percolated desorption system, including mud
Stock pump, centrifuge, retractable spiral conveyer, intake pump, first-level buffer pond, disc type coarse filter, level 2 buffering pond, security personnel's filtering
Device, film filter, heavy metal concentration collection, storage tank, water outlet detector, pure water inlet, unqualified water refluxing opening and anti-
Rinse blower fan；
Described slush pump is arranged in the afterbody of car body, for the slurry transportation eluted to be entered into centrifuge.
Described centrifuge is arranged in the afterbody of car body, and for mud to be carried out into mud-water separation, the mud cake separated enters
Enter retractable spiral conveyer, the sewage separated enters first-level buffer pond by intake pump.
Described retractable spiral conveyer is arranged in the afterbody of car body, for by mud cake clean up, free of contamination
Discharge.
Described intake pump is arranged in the middle part of car body, for the sewage separated to be delivered in first-level buffer pond.
Described first-level buffer pond is arranged in the middle part of car body, for sewage to be carried out into first time precipitation.
Dredge pump is arranged in the afterbody of car body, for by the silt precipitated in first-level buffer pond again be pumped to centrifugation
Machine, re-starts mud-water separation.
Described disc type coarse filter is arranged in the middle part of car body, for will carry out coarse filtration, mistake by the sewage of primary sedimentation
The bulk floating impurity in water removal is filtered off, makes sewage formation clear water state.
Described level 2 buffering pond is arranged in the front portion of car body, is precipitated for sewage to be carried out into second.
Described cartridge filter is arranged in the front portion of car body, the fine particles for removing more than 1 degree of turbidity, to ensure
The safety of rear class film filter.
Described film filter is arranged in the preceding left side of car body, for sewage purification to be separated, passes through film filter
Clear water is by no longer containing the heavy metal in soil pollution, and all filtering is attached on film heavy metal.
Described storage tank is arranged on the left of the middle part of car body, for storing the clear water after final filtration processing.
Described water outlet detector is placed in storage tank, the security for detecting water quality after filtering.
Described pure water inlet is arranged in the middle part left lower of car body, for will detect that qualified clear water is discharged
Or secondary cycle is utilized.
Described unqualified water refluxing opening is arranged in the middle part left upper portion of car body, for that will detect underproof sewage
First-level buffer pond is re-entered, second is carried out and filters.
Described backwash wind turbine layout is in the front portion of car body, for backwashing film filter so that be attached to weight on film
Metal enters heavy metal and concentrates collection.
Described heavy metal concentrate collector arrangements are on the left of the middle part of car body, for collecting heavy metal concentrate.
Further, described slush pump is connected by pipeline with Soil leaching prosthetic device.
Further, whole system sets electrical control cubicles, and described electrical control cubicles are arranged on the front portion of car body.
Further, whole system sets energy supply unit, and described energy supply unit is arranged on the front portion of car body.
Further, described slush pump is arranged on the side of hull back, and described retractable spiral conveyer is set
In the opposite side of hull back, described centrifuge is arranged between slush pump and retractable spiral conveyer.
Further, described film filter includes 6 membrane filter units.
A kind of vehicle-mounted soil is percolated the method for work of desorption system, comprises the following steps：
A, sewage water filtration
Start slush pump, the mud eluted is delivered into centrifuge by slush pump, in the presence of centrifuge,
Mud is subjected to mud-water separation, the mud cake separated enters retractable spiral conveyer, the sewage separated passes through water inlet
Pump enters first-level buffer pond.
Mud cake is delivered to appointed place by retractable spiral conveyer, and sewage carries out heavy for the first time in first-level buffer pond
Form sediment, repeatedly after circulation, the mud precipitated in first-level buffer pond is reached after ormal weight, starts dredge pump, by first-level buffer pond
The silt of middle precipitation again deliver to centrifuge, re-start mud-water separation.
Sewage is carried out in first-level buffer pond after first time precipitation, into disc type coarse filter, by by primary sedimentation
Sewage carries out coarse filtration, the bulk floating impurity that filtering is gone in water removal so that sewage formation clear water state.Subsequently into level 2 buffering
Chi Zhong, carries out second by sewage and precipitates.
Sewage after secondary precipitation flows through cartridge filter, the fine particles that more than 1 degree of removal turbidity, subsequently into film mistake
Filter, by the filtering of film filter, last clear water enters in storage tank, the water outlet detector detection in storage tank
Whether the content of heavy metal reaches discharge standard in water quality, if reaching standard, by pure water inlet discharge or secondary follows
Ring is utilized, if below standard, and first-level buffer pond is reentered by unqualified water refluxing opening, carries out secondary filtering.
B, heavy metal recovery
After sewage water filtration, all soil pollution heavy metals are all attached to above film filter, start backwash
Blower fan, backwashes film filter so that is attached to the heavy metal on film and is concentrated into heavy metal in collection, to be stored in rule
When quantitative, recycled.
Compared with prior art, the invention has the advantages that：
1st, the present invention is by carrying out sewage water filtration and heavy metal separation to mud, and the mud cake formed, which is conveniently transported, specifies
Place, the clear water formed can directly discharge or it is secondary recycle, while also been removed the heavy metal in soil, it is to avoid
The secondary pollution of chemical reagent and the heavy metal of residual to soil in lessivation.
2nd, all processing equipment integrated installations were formd a set of mobile mud and sewage and handled by the present invention on a chassis, both
Equipment, optimizes installing space；Transport is facilitated again, and soil restoring device can be coordinated to leave at any time needs the field of soil remediation
Ground.
Brief description of the drawings
Fig. 1 is front view of the invention.
Fig. 2 is top view of the invention.
In figure：1st, slush pump, 2, centrifuge, 3, retractable spiral conveyer, 4, intake pump, 5, first-level buffer pond, 6, inhale
Dredge pump, 7, disc type coarse filter, 8, level 2 buffering pond, 9, cartridge filter, 10, film filter, 11, storage tank, 12, water outlet detection
Instrument, 13, pure water inlet, 14, unqualified water refluxing opening, 15, backwash blower fan, 16, heavy metal concentration collection, 17, the energy
Feeding unit, 18, electrical control cubicles.
Embodiment
The present invention is further described through below in conjunction with the accompanying drawings.As shown in Figure 1-2, a kind of vehicle-mounted soil diafiltration desorption
System, including slush pump 1, centrifuge 2, retractable spiral conveyer 3, intake pump 4, first-level buffer pond 5, disc type coarse filter 7, two
Level buffer pool 8, cartridge filter 9, film filter 10, heavy metal concentration collection 16, storage tank 11, water outlet detector 12,
Pure water inlet 13, unqualified water refluxing opening 14 and backwash blower fan 15；
Described slush pump 1 is arranged in the afterbody of car body, for the slurry transportation eluted to be entered into centrifuge 2.
Described centrifuge 2 is arranged in the afterbody of car body, and for mud to be carried out into mud-water separation, the mud cake separated enters
Enter retractable spiral conveyer 3, the sewage separated enters first-level buffer pond 5 by intake pump 4.
Described retractable spiral conveyer 3 is arranged in the afterbody of car body, for by mud cake clean up, free of contamination
Discharge.
Described intake pump 4 is arranged in the middle part of car body, for the sewage separated to be delivered in first-level buffer pond 5.
Described first-level buffer pond 5 is arranged in the middle part of car body, for sewage to be carried out into first time precipitation.
Dredge pump 6 is arranged in the afterbody of car body, for by the silt precipitated in first-level buffer pond 5 again be pumped to from
Scheming 2, re-starts mud-water separation.
Described disc type coarse filter 7 is arranged in the middle part of car body, for will carry out coarse filtration, mistake by the sewage of primary sedimentation
The bulk floating impurity in water removal is filtered off, makes sewage formation clear water state.
Described level 2 buffering pond 8 is arranged in the front portion of car body, is precipitated for sewage to be carried out into second.
Described cartridge filter 9 is arranged in the front portion of car body, the fine particles for removing more than 1 degree of turbidity, to protect
Demonstrate,prove the safety of rear class film filter 10.
Described film filter 10 is arranged in the preceding left side of car body, for sewage purification to be separated, passes through film filter
10 clear water is by no longer containing the heavy metal in soil pollution, and all filtering is attached on film heavy metal.
Described storage tank 11 is arranged on the left of the middle part of car body, for storing the clear water after final filtration processing.
Described water outlet detector 12 is placed in storage tank 11, the security for detecting water quality after filtering.
Described pure water inlet 13 is arranged in the middle part left lower of car body, for will detect that qualified clear water is arranged
Put or secondary cycle is utilized.
Described unqualified water refluxing opening 14 is arranged in the middle part left upper portion of car body, for that will detect underproof dirt
Water re-enters first-level buffer pond 5, carries out second and filters.
Described backwash blower fan 15 is arranged in the front portion of car body, for backwashing film filter 10 so that be attached to film
Upper heavy metal enters heavy metal and concentrates collection 16.
Described heavy metal concentration collection 16 is arranged on the left of the middle part of car body, for collecting heavy metal concentrate.
Further, described slush pump 1 is connected by pipeline with Soil leaching prosthetic device.
Further, whole system sets electrical control cubicles 18, and described electrical control cubicles 18 are arranged on the front portion of car body.
Further, whole system sets energy supply unit 17, and described energy supply unit 17 is arranged on car body
It is anterior.
Further, described slush pump 1 is arranged on the side of hull back, and described retractable spiral conveyer 3 is set
The opposite side in hull back is put, described centrifuge 2 is arranged between slush pump 1 and retractable spiral conveyer 3.
Further, described film filter 10 includes 6 membrane filter units.
A kind of vehicle-mounted soil is percolated the method for work of desorption system, comprises the following steps：
A, sewage water filtration
Start slush pump 1, the mud eluted is delivered into centrifuge 2 by slush pump 1, in the work of centrifuge 2
Under, mud is subjected to mud-water separation, the mud cake separated enters retractable spiral conveyer 3, the sewage separated leads to
Cross intake pump 4 and enter first-level buffer pond 5.
Mud cake is delivered to appointed place by retractable spiral conveyer 3, and sewage is carried out for the first time in first-level buffer pond 5
Precipitation, repeatedly after circulation, the mud precipitated in first-level buffer pond 5 is reached after ormal weight, starts dredge pump 6, one-level is delayed
Rush the silt precipitated in pond 5 again deliver to centrifuge 2, re-start mud-water separation.
Sewage is carried out in first-level buffer pond 5 after first time precipitation, into disc type coarse filter 7, will pass through primary sedimentation
Sewage carry out coarse filtration, filtering go water removal in bulk floating impurity so that sewage formation clear water state.It is slow subsequently into two grades
Rush in pond 8, sewage is carried out into second precipitates.
Sewage after secondary precipitation flows through cartridge filter 9, the fine particles that more than 1 degree of removal turbidity, subsequently into film
Filter 10, by the filtering of film filter 10, last clear water enters in storage tank 11, the water outlet in storage tank 11
Whether the content of heavy metal reaches discharge standard in the detection water quality of detector 12, if reaching standard, passes through pure water inlet 13
Discharge or secondary cycle are utilized, if below standard, reentered first-level buffer pond 5 by unqualified water refluxing opening 14, are entered
The secondary filtering of row.
B, heavy metal recovery
After sewage water filtration, all soil pollution heavy metals are all attached to above film filter 10, start recoil
Blower fan 15 is washed, film filter 10 is backwashed so that is attached to the heavy metal on film and is concentrated into heavy metal in collection 16, treated
When being stored into ormal weight, recycled.
The present invention is not limited to the present embodiment, any equivalent concepts in the technical scope of present disclosure or changes
Become, be classified as protection scope of the present invention.
Claims (7)
1. a kind of vehicle-mounted soil is percolated desorption system, it is characterised in that：Including slush pump (1), centrifuge (2), retractable spiral
Conveyer (3), intake pump (4), first-level buffer pond (5), disc type coarse filter (7), level 2 buffering pond (8), cartridge filter (9),
Film filter (10), heavy metal concentration collection (16), storage tank (11), water outlet detector (12), pure water inlet (13), no
Qualified water refluxing opening (14) and backwash blower fan (15)；
Described slush pump (1) is arranged in the afterbody of car body, for the slurry transportation eluted to be entered into centrifuge (2)；
Described centrifuge (2) is arranged in the afterbody of car body, for mud to be carried out into mud-water separation, and the mud cake separated enters
Retractable spiral conveyer (3), the sewage separated enters first-level buffer pond (5) by intake pump (4)；
Described retractable spiral conveyer (3) is arranged in the afterbody of car body, for mud cake clean up, free of contamination to be arranged
Go out；
Described intake pump (4) is arranged in the middle part of car body, for the sewage separated to be delivered in first-level buffer pond (5)；
Described first-level buffer pond (5) is arranged in the middle part of car body, for sewage to be carried out into first time precipitation；
Described dredge pump (6) is arranged in the afterbody of car body, for the pump by the silt of precipitation in first-level buffer pond (5) again
Centrifuge (2) is delivered to, mud-water separation is re-started；
Described disc type coarse filter (7) is arranged in the middle part of car body, for will carry out coarse filtration, filtering by the sewage of primary sedimentation
The bulk floating impurity gone in water removal, makes sewage formation clear water state；
Described level 2 buffering pond (8) is arranged in the front portion of car body, is precipitated for sewage to be carried out into second；
Described cartridge filter (9) is arranged in the front portion of car body, the fine particles for removing more than 1 degree of turbidity, to ensure
The safety of rear class film filter (10)；
Described film filter (10) is arranged in the preceding left side of car body, for sewage purification to be separated, passes through film filter
(10) clear water is by no longer containing the heavy metal in soil pollution, and all filtering is attached on film heavy metal；
Described storage tank (11) is arranged on the left of the middle part of car body, for storing the clear water after final filtration processing；
Described water outlet detector (12) is placed in storage tank (11), the security for detecting water quality after filtering；
Described pure water inlet (13) is arranged in the middle part left lower of car body, for will detect that qualified clear water is discharged
Or secondary cycle is utilized；
Described unqualified water refluxing opening (14) is arranged in the middle part left upper portion of car body, for that will detect underproof sewage
First-level buffer pond (5) is re-entered, second is carried out and filters；
Described backwash blower fan (15) is arranged in the front portion of car body, for backwashing film filter (10) so that be attached to film
Upper heavy metal enters heavy metal concentration collection (16)；
Described heavy metal concentration collection (16) is arranged on the left of the middle part of car body, for collecting heavy metal concentrate.
2. a kind of vehicle-mounted soil diafiltration desorption system according to claim 1, it is characterised in that：Described slush pump (1)
It is connected by pipeline with Soil leaching prosthetic device.
3. a kind of vehicle-mounted soil diafiltration desorption system according to claim 1, it is characterised in that：Whole system sets automatically controlled
Cabinet (18), described electrical control cubicles (18) are arranged on the front portion of car body.
4. a kind of vehicle-mounted soil diafiltration desorption system according to claim 1, it is characterised in that：Whole system sets the energy
Feeding unit (17), described energy supply unit (17) is arranged on the front portion of car body.
5. a kind of vehicle-mounted soil diafiltration desorption system according to claim 1, it is characterised in that：Described slush pump (1)
Be arranged on the side of hull back, described retractable spiral conveyer (3) is arranged on the opposite side of hull back, it is described from
Scheming (2) is arranged between slush pump (1) and retractable spiral conveyer (3).
6. a kind of vehicle-mounted soil diafiltration desorption system according to claim 1, it is characterised in that：Described film filter
(10) 6 membrane filter units are included.
7. a kind of vehicle-mounted soil is percolated the method for work of desorption system, it is characterised in that：Comprise the following steps：
A, sewage water filtration
Start slush pump (1), the mud eluted is delivered into centrifuge (2) by slush pump (1), in centrifuge (2)
In the presence of, mud is subjected to mud-water separation, the mud cake separated enters retractable spiral conveyer (3), separates
Sewage enters first-level buffer pond (5) by intake pump (4)；
Mud cake is delivered to appointed place by retractable spiral conveyer (3), and sewage is carried out for the first time in first-level buffer pond (5)
Precipitation, repeatedly after circulation, after the mud of precipitation reaches ormal weight in first-level buffer pond (5), starts dredge pump (6), by one
In level buffer pool (5) silt of precipitation again deliver to centrifuge (2), re-start mud-water separation；
Sewage is carried out in first-level buffer pond (5) after first time precipitation, into disc type coarse filter (7), will pass through primary sedimentation
Sewage carry out coarse filtration, filtering go water removal in bulk floating impurity so that sewage formation clear water state；It is slow subsequently into two grades
Rush in pond (8), sewage is carried out into second precipitates；
Sewage after secondary precipitation flows through cartridge filter (9), the fine particles that more than 1 degree of removal turbidity, subsequently into film mistake
Filter (10), by the filtering of film filter (10), last clear water enters in storage tank (11), in storage tank (11)
Water outlet detector (12) detection water quality in the content of heavy metal whether reach discharge standard, if reaching standard, by net
Water out (13) is discharged or secondary cycle is utilized, if below standard, one is reentered by unqualified water refluxing opening (14)
Level buffer pool (5), carries out secondary filtering；
B, heavy metal recovery
After sewage water filtration, all soil pollution heavy metals are all attached to film filter (10) above, start backwash
Blower fan (15), backwash film filter (10) so that the heavy metal being attached on film enters heavy metal concentration collection (16)
In, during to be stored in ormal weight, recycled.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710347048.3A CN107117729A (en) | 2017-05-16 | 2017-05-16 | A kind of vehicle-mounted soil diafiltration desorption system and its method of work |
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| CN201710347048.3A CN107117729A (en) | 2017-05-16 | 2017-05-16 | A kind of vehicle-mounted soil diafiltration desorption system and its method of work |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109279753A (en) * | 2018-11-20 | 2019-01-29 | 大连德联科技有限公司 | A kind of riverway sludge renovation technique |
| CN109293207A (en) * | 2018-11-20 | 2019-02-01 | 大连德联科技有限公司 | One kind containing heavy metal and the biggish riverway sludge renovation technique of silt content |
| CN109437504A (en) * | 2018-11-20 | 2019-03-08 | 大连德联科技有限公司 | A kind of renewable resource mimicry also original system |
| CN109437505A (en) * | 2018-11-20 | 2019-03-08 | 大连德联科技有限公司 | A kind of renewable resource mimicry reducing process |
| CN109467292A (en) * | 2018-11-20 | 2019-03-15 | 大连德联科技有限公司 | One kind containing heavy metal and the biggish riverway sludge prosthetic device of silt content |
| CN109467214A (en) * | 2018-11-20 | 2019-03-15 | 大连德联科技有限公司 | A kind of vehicle-mounted renewable resource mimicry reduction apparatus |
| CN113083787A (en) * | 2021-04-06 | 2021-07-09 | 上海大学 | Heavy metal polluted soil cleaning device and method for laboratory |
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| CN109279753A (en) * | 2018-11-20 | 2019-01-29 | 大连德联科技有限公司 | A kind of riverway sludge renovation technique |
| CN109293207A (en) * | 2018-11-20 | 2019-02-01 | 大连德联科技有限公司 | One kind containing heavy metal and the biggish riverway sludge renovation technique of silt content |
| CN109437504A (en) * | 2018-11-20 | 2019-03-08 | 大连德联科技有限公司 | A kind of renewable resource mimicry also original system |
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