CN104646407B - Cleaning system for contaminated building clinkers in contaminated sites and cleaning method thereof - Google Patents
Cleaning system for contaminated building clinkers in contaminated sites and cleaning method thereof Download PDFInfo
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- CN104646407B CN104646407B CN201410803962.0A CN201410803962A CN104646407B CN 104646407 B CN104646407 B CN 104646407B CN 201410803962 A CN201410803962 A CN 201410803962A CN 104646407 B CN104646407 B CN 104646407B
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Abstract
The invention discloses a cleaning system for contaminated building clinkers in contaminated sites and a cleaning method thereof and belongs to the technical field of contaminated soil remediation. The cleaning system comprises a material loading platform, a clinker elution unit, a muddy water collecting unit, a silt treating unit, a sewage treating unit, a reclaimed water circulating system and an automatic controlling unit; the material loading platform is connected with the clinker elution unit; the clinker elution unit is sequentially connected with the muddy water collecting unit, the silt treating unit, the sewage treating unit and the reclaimed water circulating system; the automatic controlling unit is respectively connected with the clinker elution unit, the muddy water collecting unit, the silt treating unit, the sewage treating unit and the reclaimed water circulating system. The cleaning system for contaminated building clinkers in contaminated sites provided by the invention has the advantages of reasonable design, compact floor area, large handling capability, high automation level, continuous operation and capability of saving resources.
Description
Technical field
The present invention relates to contaminated soil remediation technical field, more particularly, to one kind are used for contaminated site contaminated building clinker
Purging system and cleaning method.The cleaning that more particularly to contaminated particle diameter builds clinker in 5 more than cm is disposed.Pollution
During site remediation, place is original to be built, structures remove after residual building clinker on can adhere to contaminated sites thing, such as organic
Pollutant and heavy metal contaminants etc..The present invention is directed to such pollution clinker, proposes a purging system and technique, will pollute
Clinker cleans up, and can be re-used for backfill etc., realizes waste resource regeneration.
Background technology
The slag-soil truck cleaning only for the purpose of controlling airborne dust at municipal aspect at present, using giant or car washer pair
The vehicle of transport dregs and dregs are rinsed, and have no the technology being specifically designed for the cleaning of contaminated site dregs.
Due to contaminated site administer recovery project need before going into operation to on-site original surface buildingses, underground structure with
And equipment factory building etc. removed, and complete levelling of the land work, inevitably produce contaminated big in a large number during this
Particle diameter building waste and clinker.Additionally, needing in later stage project implementing process contaminated soil to be carried out sieve pretreatment, equally can produce
Raw a certain amount of clinker.For this partly big particle diameter building waste or clinker, conventional engineering mostly is after completion to be repaired to clinker
Backfill inside after simply being rinsed；Or carry out the roadbed material as place road construction after break process；Or in sky
Bank up to spacious field, after rinsing using high-pressure washing equipment is simple, carry out outward transport landfill.But above-mentioned processing means all exist and cause two
Secondary pollution or pollution range expand, and dispose lack of standardization, and the sewage producing in flushing process lacks necessary collection, process and circulation
Using causing the defects such as the wasting of resources.
Furthermore, it is directed to soil remediation more existing soil remediation technological process and design, for big particle diameter building waste or pollution
The standardization cleaning treatment technique of clinker is but rarely reported.
Now with national " move back two and enter three " with city extension, some are located at the long-established enterprise land of urban central zone
Continue and shut down, stop, merge and change or move, increasing industrial land function changes, the production management process of this kind of industrial undertaking
Cause the pollution different degrees of to soil, bring great threat to urban development and urbanite's health, contaminating enterprises are former
The highest attention that pollution control problem causes government and the public is developed in location.
In recent years, country strengthens the policy guide to remediation contaminated soil and repair.《National environmental protection " ten
Two or five " plan》Middle proposition propulsion key area contaminated site and soil remediation, State Council and the mechanisms such as Chinese Ministry of Environmental Protection have promulgated multinomial
Targetedly law ＆ policy is it is desirable to carry out repairing and treating to industrial pollution place.
In the contaminated site harnessing project of current China, reparation focus on contaminated soil and subsoil water, very
The pollution dregs remaining in concern place less.After urban industry place is removed, the contaminated workshop of presence that all can be different degrees of
Concrete block after ground, basis, tank foundation, underground structure, storage tank etc. are broken.This kind of concrete block surface has all been infected with
Pollutant, such as directly backfill application, can cause secondary pollution to environment.And it is such contaminated in most of recovery project at present
Dregs does not generally carry out respective handling, there is larger environmental risk.
Because building clinker mostly is xoncrete structure, pollutant are attached only to its surface, without entering inside clinker.Cause
This carries out clearing up to the pollutant on clinker surface.According to this characteristic, the present invention proposes one and is used for dirt in contaminated site
The purging system of dye clinker and technique.
Content of the invention
The present invention is in order to fill up the blank of clinker cleaning during contaminated site is repaired, and provides a kind of structure design to close
Reason, resources conservation, disposal ability be big, can the system for polluting clinker Rapid Cleaning in contaminated site of continuouss operation and clear
Washing method.
The present invention adopts the following technical scheme that：
The purging system for contaminated site contaminated building clinker of the present invention includes material loading platform, clinker drip washing list
Unit, muddy water collector unit, silt sedimentation unit, sewage treatment unit, middle water circulation system and Automated condtrol unit；Feeding is put down
Platform connects clinker washing unit, clinker washing unit is sequentially connected muddy water collector unit, silt sedimentation unit, sewage treatment unit
With middle water circulation system, Automated condtrol unit connect respectively clinker washing unit, muddy water collector unit, silt sedimentation unit,
Sewage treatment unit and middle water circulation system.
Described material loading platform is used for contaminated dregs feeding, including ramp, platform and crash barrier, is easy to loading vehicles suitable
The safe feeding of profit.
Described clinker washing unit is used for polluting clinker cleaning, including ship moulding mixture bucket, high-pressure spray device, vibration dress
Put, hull traction apparatuss and discharging platform；Described ship moulding mixture bucket main body is low ship type between surrounding senior middle school, in order to feeding and
Discharging, bottom is grid, is easy to the lower leakage of silt in lessivation, and big particle diameter clinker is trapped, and the lower section of ship moulding mixture bucket sets
There is pond；Described high-pressure spray device is made up of flusher, high-pressure hydraulic pump and aqueduct, and described flusher is located at
The corner of ship moulding mixture bucket, spray angle carries out Automated condtrol by the electric controller being arranged on flusher, to guarantee
Clinker cleaning does not uniformly stay dead angle；Described high-pressure hydraulic pump and aqueduct provide water in drip washing for flusher；Described shakes
By polarizing driving machine and vibrator forms, polarization driving machine is that vibrator provides power to dynamic device, and vibrator is located at ship moulding mixture bucket
Bottom, drives the vibration of ship moulding mixture bucket, and vibrator and ship moulding mixture bucket junction are provided with spring；Described hull traction apparatuss are by supporting
Bar, fixed block, traction machine and cable wire composition, support bar is erected at one end of ship moulding mixture bucket, and fixed block is located at and supports masthead
Portion, cable wire is connected with withholding on the ship moulding mixture bucket other end by fixed block, and the cable wire other end is drop-down in the drive of traction machine
Dynamic ship moulding mixture bucket completes ascending, descending operation；The side that ship moulding mixture bucket arranges support bar is connected with vibrator by fixed rotating shaft, so that
When discharging, hopper can be started and complete discharging in pivoting under draw by hull, and ship moulding mixture bucket opposite side passes through can be with
The groove device of Shi Kaihe is connected with vibrator, and ship moulding mixture bucket groove device in vibrations is in closure state, prevents ship type
Hopper pitches, and ship moulding mixture bucket groove device in discharging is in open mode, is easy to ship moulding mixture bucket in traction apparatuss
Discharging is completed, the top of traction machine is provided with discharging sloping platform, on the one hand protection traction machine, the slag after on the other hand cleaning under traction
Block slides on discharging platform by discharging sloping platform, and this process carries out Automated condtrol using control terminal；Described discharging is put down
Platform is located at the side of high-pressure spray device, is made up of high strength cement platform and gutter, wherein high strength cement platform is used for
Clean clinker after temporary drip washing, gutter is used for collecting the washing water of remaining on clinker in collecting-tank.
Described muddy water collector unit is used for rinsing muddy water and collects and separate, by wedge-shaped platform, mud scraper, collecting-tank and heavy
Sand pond forms, and described wedge-shaped platform, and enters at next step in order to by the muddy water fast guiding under rinsing in collecting-tank
Reason；Described mud scraper is used for clearing up the body refuse of wedge-shaped platform remaining；Described collecting-tank is used for the muddy water under temporary flushing, with
Facilitate access for next processing unit；Described setting pot is used for the separation of the muddy water that drip washing produces, and separates in order to Jiang Shui and mud.
Described silt sedimentation unit is used for silt harmlessness disposing after mud-water separation, by pressure filter and salvage shop group
Become, described pressure filter is used for reducing the moisture content of silt, the silt after filter pressing enters disposal workshop and carries out harmlessness disposing, pressure
The sewage producing during filter enters sewage treatment unit after collecting.
Described sewage treatment unit is used for the disposal of sewage after silt separates, by distribution reservoir, coagulative precipitation tank, sand filtration list
Unit, advanced oxidation unit and activated carbon adsorption unit composition.
After described middle water circulation system is used for processing, middle water resource is used, by middle water collecting-tank, chemicals dosing plant, water under high pressure again
Pump and aqueduct composition, wherein chemicals dosing plant can add in middle water collecting-tank according to the pollution type of clinker and helps pouring medicament,
Preferably to complete drip washing work.
Described Automated condtrol unit is used for the Automated condtrol of whole system, including control terminal and line system.
The comprising the following steps that for the contaminated cleaning method building clinker of contaminated site of the present invention：
（a）First by after contaminated for contaminated site building clinker transport, then clinker is entered by material loading platform feeding and drench
Wash unit；
（b）Clinker sprays drip washing through high pressure in clinker washing unit and vibration mixes, the big particle diameter clinker after cleaning
It is trapped, after discharging, carries out recycling, the muddy water that drip washing produces enters muddy water collector unit；
（c）In muddy water collector unit, muddy water is separated into silt and sewage through sedimentation tank, and the silt after separating enters silt
Processing unit, sewage enters sewage treatment unit；
（d）Silt, in silt sedimentation unit, through pressure filter filter pressing, reduces the moisture content of silt, the silt after filter pressing enters
Enter salvage shop and carry out harmlessness disposing, the sewage producing during filter pressing enters sewage treatment unit after collecting；
（e）Sewage in sewage treatment unit, after water distribution, coagulation, sand filtration, oxidation and activated carbon adsorption, in obtaining
Water, the mud that processing procedure produces enters silt sedimentation unit；
（f）Middle water through collecting-tank collect, be then passed through chemicals dosing plant process after, by high-pressure hydraulic pump and aqueduct conveying
To in clinker washing unit, drip washing is carried out to clinker.
The positive effect of the present invention is as follows：
The purging system for contaminated site contaminated building clinker of the present invention is reasonable in design, take up an area compact, treating capacity
Greatly, high degree of automation, can continuouss operation and economize on resources.
Described clinker washing unit can be efficiently completed the cleaning of pollution clinker, and can operate continuously；Institute
Muddy water after rinsing can be collected and mud-water separation by the muddy water collector unit stated；Described silt and sewage treatment unit
Respectively harmless treatment can be carried out to pollution silt and sewage；Described middle water circulation system can be by Sewage Disposal
Water is collected Posterior circle and utilizes, resource regeneration；Described Automated condtrol unit can carry out automatization's control to each disposal unit
System.The purging system for contaminated site contaminated building clinker of the present invention have reasonable in design, take up an area compact, process high
Effect, high degree of automation, can operate continuously and the features such as resources conservation.
Brief description
Fig. 1 is the process chart of the cleaning method for contaminated site contaminated building clinker of the present invention.
Fig. 2 is the signal of the clinker washing unit of the purging system for contaminated site contaminated building clinker of the present invention
Figure.
Fig. 3 is the feeding of the clinker washing unit of the purging system for contaminated site contaminated building clinker of the present invention
Platform and the schematic diagram of clinker washing unit.
Fig. 4 is the schematic top plan view of Fig. 3.
Reference：1 ship moulding mixture bucket, 2 grids, 3 flushers, 4 cable wires, 5 traction machines, 6 vibrators, 7 polarization driving machines,
8 ponds, 9 high strength cement platforms, 10 gutters, 11 clinkers, 12 support bars, 13 fixed blocks, 14 discharging sloping platforms, 15 bullets
Spring, 16, crash barrier, 17 material loading platforms, 18 clinker washing unit.
Specific embodiment
The following examples are that the present invention is described in further detail.
Embodiment 1
Referring to Fig. 2-4, the purging system for contaminated site contaminated building clinker of the present invention includes material loading platform, slag
Block washing unit, muddy water collector unit, silt sedimentation unit, sewage treatment unit, middle water circulation system and Automated condtrol list
Unit；Material loading platform connects clinker washing unit, clinker washing unit is sequentially connected muddy water collector unit, silt sedimentation unit, dirt
Unit for treating water and middle water circulation system, Automated condtrol unit connects clinker washing unit, muddy water collector unit, silt respectively
Processing unit, sewage treatment unit and middle water circulation system.
Described material loading platform is used for contaminated dregs feeding, including ramp, platform and crash barrier, is easy to loading vehicles suitable
The safe feeding of profit.
Described clinker washing unit is used for polluting clinker cleaning, as shown in Figure 2：Including ship moulding mixture bucket 1, high-pressure spraying dress
Put, vibrating device, hull traction apparatuss and discharging platform；Described ship moulding mixture bucket 1 main body is low ship type between surrounding senior middle school, with
It is easy to charging and discharging, bottom is grid 2, is easy to the lower leakage of silt in lessivation, and big particle diameter clinker is trapped, ship moulding mixture
The lower section of bucket 1 is provided with pond 8；Described high-pressure spray device is made up of flusher 3, high-pressure hydraulic pump and aqueduct, described
Flusher 3 be located at the corner of ship moulding mixture bucket 1, spray angle carries out by the electric controller being arranged on flusher 3
Automated condtrol, does not uniformly stay dead angle to guarantee that clinker cleans；Described high-pressure hydraulic pump and aqueduct provide for flusher 3
Water in drip washing；By polarizing driving machine 7 and vibrator 6 forms, polarization driving machine 7 provides dynamic described vibrating device for vibrator 6
Power, vibrator 6 is located at ship moulding mixture bucket 1 bottom, drives ship moulding mixture bucket 1 to vibrate, vibrator 6 and ship moulding mixture bucket 1 junction are provided with bullet
Spring 15；Described hull traction apparatuss are made up of support bar 12, fixed block 13, traction machine 5 and cable wire 4, and support bar 12 is erect
In one end of ship moulding mixture bucket 1, fixed block 13 is located at support bar 12 top, and it is another with ship moulding mixture bucket 1 that cable wire 4 passes through fixed block 13
Withholding on one end is connected, and cable wire 4 other end pulls ship moulding mixture bucket to complete ascending, descending operation under the drive of traction machine 5；Ship moulding mixture
The side of bucket 1 setting support bar 12 is connected with vibrator 6 by fixed rotating shaft, can be under draw in order to hull during discharging
Pivoting, hopper is started and completes discharging, ship moulding mixture bucket 1 opposite side pass through can folding at any time groove device and vibrator 6
It is connected, ship moulding mixture bucket 1 groove device in vibrations is in closure state, prevents ship moulding mixture bucket 1 from pitching, and ship moulding mixture bucket
1 in discharging groove device be in open mode, be easy to ship moulding mixture bucket 1 and complete discharging, traction machine 5 under the traction of traction apparatuss
Top be provided with discharging sloping platform 14, on the one hand protection traction machine 5, the clinker 11 after on the other hand cleaning passes through discharging sloping platform
14 slide on discharging platform 9, and this process carries out Automated condtrol using control terminal；Described discharging platform is located at high-pressure spraying
The side of device, is made up of high strength cement platform 9 and gutter 10, after wherein high strength cement platform 9 is used for keeping in drip washing
Clean clinker 11, gutter 10 is used for collecting on clinker 11 washing water of remaining in collecting-tank.
Described muddy water collector unit is used for rinsing muddy water and collects and separate, by wedge-shaped platform, mud scraper, collecting-tank and heavy
Sand pond forms, and described wedge-shaped platform, and enters at next step in order to by the muddy water fast guiding under rinsing in collecting-tank
Reason；Described mud scraper is used for clearing up the body refuse of wedge-shaped platform remaining；Described collecting-tank is used for the muddy water under temporary flushing, with
Facilitate access for next processing unit；Described setting pot is used for the separation of the muddy water that drip washing produces, and separates in order to Jiang Shui and mud.
Described silt sedimentation unit is used for silt harmlessness disposing after mud-water separation, by pressure filter and salvage shop group
Become, described pressure filter is used for reducing the moisture content of silt, the silt after filter pressing enters disposal workshop and carries out harmlessness disposing, pressure
The sewage producing during filter enters sewage treatment unit after collecting.
Described sewage treatment unit is used for the disposal of sewage after silt separates, by distribution reservoir, coagulative precipitation tank, sand filtration list
Unit, advanced oxidation unit and activated carbon adsorption unit composition.
After described middle water circulation system is used for processing, middle water resource is used, by middle water collecting-tank, chemicals dosing plant, water under high pressure again
Pump and aqueduct composition, wherein chemicals dosing plant can add in middle water collecting-tank according to the pollution type of clinker and helps pouring medicament,
Preferably to complete drip washing work.
Described Automated condtrol unit is used for the Automated condtrol of whole system, including control terminal and line system.
As shown in Figure 1：The comprising the following steps that for the contaminated cleaning method building clinker of contaminated site of the present invention：
（a）First by after contaminated for contaminated site building clinker transport, then clinker is entered by material loading platform feeding and drench
Wash unit；
（b）Clinker sprays drip washing through high pressure in clinker washing unit and vibration mixes, the big particle diameter clinker after cleaning
It is trapped, after discharging, carries out recycling, the muddy water that drip washing produces enters muddy water collector unit；
（c）In muddy water collector unit, muddy water is separated into silt and sewage through sedimentation tank, and the silt after separating enters silt
Processing unit, sewage enters sewage treatment unit；
（d）Silt, in silt sedimentation unit, through pressure filter filter pressing, reduces the moisture content of silt, the silt after filter pressing enters
Enter salvage shop and carry out harmlessness disposing, the sewage producing during filter pressing enters sewage treatment unit after collecting；
（e）Sewage in sewage treatment unit, after water distribution, coagulation, sand filtration, oxidation and activated carbon adsorption, in obtaining
Water, the mud that processing procedure produces enters silt sedimentation unit；
（f）Middle water through collecting-tank collect, be then passed through chemicals dosing plant process after, by high-pressure hydraulic pump and aqueduct conveying
To in clinker washing unit, drip washing is carried out to clinker.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, permissible
Understand and can carry out multiple changes, modification, replacement to these embodiments without departing from the principles and spirit of the present invention
And modification, the scope of the present invention be defined by the appended.
Claims (7)
1. a kind of for contaminated site contaminated building clinker purging system it is characterised in that：Described purging system includes
Material platform, clinker washing unit, muddy water collector unit, silt sedimentation unit, sewage treatment unit, middle water circulation system and automatically
Change control unit；Material loading platform connects clinker washing unit, clinker washing unit is sequentially connected muddy water collector unit, silt sedimentation
Unit, sewage treatment unit and middle water circulation system, Automated condtrol unit connects clinker washing unit respectively, muddy water collects list
Unit, silt sedimentation unit, sewage treatment unit and middle water circulation system；
Described material loading platform is used for contaminated dregs feeding, including ramp, platform and crash barrier, is easy to loading vehicles and smoothly pacifies
Full feeding；
Described clinker washing unit is used for polluting clinker cleaning, including ship moulding mixture bucket（1）, high-pressure spray device, vibrating device,
Hull traction apparatuss and discharging platform；Described ship moulding mixture bucket（1）Main body is low ship type between surrounding senior middle school, in order to feeding and
Discharging, bottom is grid（2）, it is easy to the lower leakage of silt in lessivation, and big particle diameter clinker is trapped, ship moulding mixture bucket（1）'s
Lower section is provided with pond（8）；Described high-pressure spray device is by flusher（3）, high-pressure hydraulic pump and aqueduct composition, described
Flusher（3）Positioned at ship moulding mixture bucket（1）Corner, spray angle is by being arranged on flusher（3）On electric controller
Carry out Automated condtrol, uniformly do not stay dead angle to guarantee that clinker cleans；Described high-pressure hydraulic pump and aqueduct are flusher
（3）Water in drip washing is provided；Described vibrating device is by polarizing driving machine（7）And vibrator（6）Composition, polarizes driving machine（7）For
Vibrator（6）Power, vibrator are provided（6）Positioned at ship moulding mixture bucket（1）Bottom, drives ship moulding mixture bucket（1）Vibration；Described hull
Traction apparatuss are by support bar（12）, fixed block（13）, traction machine（5）And cable wire（4）Composition, support bar（12）It is erected at ship type
Hopper（1）One end, fixed block（13）Positioned at support bar（12）Top, cable wire（4）By fixed block（13）With ship moulding mixture
Bucket（1）Withholding on the other end is connected, cable wire（4）The other end is in traction machine（5）Drive under pulling ship moulding mixture bucket complete ascending, descending
Operation；Ship moulding mixture bucket（1）Setting support bar（12）Side pass through fixed rotating shaft and vibrator（6）It is connected, in order to during discharging
Hopper can be started and complete discharging in pivoting under draw by hull, ship moulding mixture bucket（1）Opposite side passes through can folding at any time
Groove device and vibrator（6）It is connected, ship moulding mixture bucket（1）In vibrations, groove device is in closure state, prevents ship type
Hopper（1）Pitch, and ship moulding mixture bucket（1）In discharging, groove device is in open mode, is easy to ship moulding mixture bucket（1）Leading
Discharging is completed, this process carries out Automated condtrol using control terminal under the traction of leading-in device；Described discharging platform is located at height
The side of pressure spray equipment, by high strength cement platform（9）And gutter（10）Constitute, wherein high strength cement platform（9）With
Clean clinker after temporary drip washing（11）, gutter（10）For collecting clinker（11）The washing water of upper remaining is to collecting-tank
In.
2. be used for as claimed in claim 1 the purging system of contaminated site contaminated building clinker it is characterised in that：Described
Muddy water collector unit is used for rinsing muddy water collection and separates, and is made up of wedge-shaped platform, mud scraper, collecting-tank and setting pot, described
Wedge-shaped platform in order to lower muddy water fast guiding will be rinsed in collecting-tank, and enter next step process；Described scrapes mud
Machine is used for clearing up the body refuse of wedge-shaped platform remaining；Described collecting-tank is used for the muddy water under temporary flushing, in order to enter next
Processing unit；Described setting pot is used for the separation of the muddy water that drip washing produces, and separates in order to Jiang Shui and mud.
3. be used for as claimed in claim 1 the purging system of contaminated site contaminated building clinker it is characterised in that：Described
Silt sedimentation unit is used for silt harmlessness disposing after mud-water separation, is made up of pressure filter and salvage shop, described pressure filter
For reducing the moisture content of silt, the silt after filter pressing enters disposal workshop and carries out harmlessness disposing, the dirt producing during filter pressing
Water enters sewage treatment unit after collecting.
4. be used for as claimed in claim 1 the purging system of contaminated site contaminated building clinker it is characterised in that：Described
Sewage treatment unit is used for the disposal of sewage after silt separates, by distribution reservoir, coagulative precipitation tank, sand filtration unit, advanced oxidation list
Unit and activated carbon adsorption unit composition.
5. be used for as claimed in claim 1 the purging system of contaminated site contaminated building clinker it is characterised in that：Described
After middle water circulation system is used for processing, middle water resource is used, by middle water collecting-tank, chemicals dosing plant, high-pressure hydraulic pump and aqueduct group again
Become, wherein chemicals dosing plant adds in middle water collecting-tank according to the pollution type of clinker and helps pouring medicament, preferably to complete drip washing
Work.
6. be used for as claimed in claim 1 the purging system of contaminated site contaminated building clinker it is characterised in that：Described
Automated condtrol unit is used for the Automated condtrol of whole system, including control terminal and line system.
7. a kind of for contaminated site contaminated building clinker cleaning method it is characterised in that：The concrete steps of methods described
As follows：
（a）First by after contaminated for contaminated site building clinker transport, then clinker drip washing list is entered by material loading platform feeding
Unit；
（b）Clinker sprays drip washing through high pressure in clinker washing unit and vibration mixes, and the big particle diameter clinker after cleaning is cut
Stay, after discharging, carry out recycling, the muddy water that drip washing produces enters muddy water collector unit；
（c）In muddy water collector unit, muddy water is separated into silt and sewage through sedimentation tank, and the silt after separating enters silt sedimentation
Unit, sewage enters sewage treatment unit；
（d）Silt, in silt sedimentation unit, through pressure filter filter pressing, reduces the moisture content of silt, the silt after filter pressing enters and repaiies
Multiple workshop carries out harmlessness disposing, and the sewage producing during filter pressing enters sewage treatment unit after collecting；
（e）Sewage, in sewage treatment unit, after water distribution, coagulation, sand filtration, oxidation and activated carbon adsorption, obtains middle water, place
The mud that reason process produces enters silt sedimentation unit；
（f）Middle water collects through collecting-tank, be then passed through chemicals dosing plant process after, slag is transported to by high-pressure hydraulic pump and aqueduct
In block washing unit, drip washing is carried out to clinker.
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| CN201410803962.0A CN104646407B (en) | 2014-12-23 | 2014-12-23 | Cleaning system for contaminated building clinkers in contaminated sites and cleaning method thereof |
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| CN201410803962.0A CN104646407B (en) | 2014-12-23 | 2014-12-23 | Cleaning system for contaminated building clinkers in contaminated sites and cleaning method thereof |
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| CN104646407B true CN104646407B (en) | 2017-02-22 |
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| CN104190701A (en) * | 2014-09-19 | 2014-12-10 | 中节能六合天融环保科技有限公司 | Leaching method for remediation of arsenic polluted soil by using magnetic separation |
| CN204412752U (en) * | 2014-12-23 | 2015-06-24 | 北京建工环境修复股份有限公司 | A kind of purging system for the contaminated building clinker of contaminated site |
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