CN108218181A - A kind of river and lake pool gushes bed mud deep-graded processing system and method - Google Patents
A kind of river and lake pool gushes bed mud deep-graded processing system and method Download PDFInfo
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- CN108218181A CN108218181A CN201810147849.XA CN201810147849A CN108218181A CN 108218181 A CN108218181 A CN 108218181A CN 201810147849 A CN201810147849 A CN 201810147849A CN 108218181 A CN108218181 A CN 108218181A
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- 238000012545 processing Methods 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 11
- 239000003814 drug Substances 0.000 claims abstract description 33
- 238000001556 precipitation Methods 0.000 claims abstract description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 32
- 238000004062 sedimentation Methods 0.000 claims abstract description 23
- 238000001914 filtration Methods 0.000 claims abstract description 15
- 239000003381 stabilizer Substances 0.000 claims abstract description 14
- 238000004064 recycling Methods 0.000 claims abstract description 9
- 230000009189 diving Effects 0.000 claims abstract description 7
- 230000018044 dehydration Effects 0.000 claims abstract description 5
- 238000006297 dehydration reaction Methods 0.000 claims abstract description 5
- JTJMJGYZQZDUJJ-UHFFFAOYSA-N phencyclidine Chemical class C1CCCCN1C1(C=2C=CC=CC=2)CCCCC1 JTJMJGYZQZDUJJ-UHFFFAOYSA-N 0.000 claims abstract description 4
- 230000013011 mating Effects 0.000 claims description 25
- 239000002002 slurry Substances 0.000 claims description 21
- 239000005416 organic matter Substances 0.000 claims description 18
- 239000007787 solid Substances 0.000 claims description 13
- 238000003756 stirring Methods 0.000 claims description 13
- 239000002245 particle Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 8
- 238000000926 separation method Methods 0.000 claims description 8
- 229910001385 heavy metal Inorganic materials 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 7
- 239000000356 contaminant Substances 0.000 claims description 6
- 238000005189 flocculation Methods 0.000 claims description 6
- 230000016615 flocculation Effects 0.000 claims description 6
- 238000011160 research Methods 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 4
- 239000004566 building material Substances 0.000 claims description 3
- 238000005345 coagulation Methods 0.000 claims description 3
- 230000015271 coagulation Effects 0.000 claims description 3
- 238000009264 composting Methods 0.000 claims description 3
- 239000000284 extract Substances 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 3
- 238000005192 partition Methods 0.000 claims description 3
- 239000003186 pharmaceutical solution Substances 0.000 claims description 3
- 238000011020 pilot scale process Methods 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 2
- 239000004615 ingredient Substances 0.000 abstract description 2
- 206010021703 Indifference Diseases 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 5
- 239000013049 sediment Substances 0.000 description 4
- 239000010802 sludge Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 210000000476 body water Anatomy 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 238000007885 magnetic separation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000002688 persistence Effects 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000001953 sensory effect Effects 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/122—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using filter presses
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/14—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/007—Contaminated open waterways, rivers, lakes or ponds
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Treatment Of Sludge (AREA)
Abstract
The present invention relates to river and lake pools to gush bed mud deep-graded processing system and method, and technical problems to be solved are the indifferences of Dredged bed mud processing disposing task, and main points are：System is divided into three bed mud conveying, deep-graded and mechanical dehydration modules；Bed mud conveyor module by dredge cofferdam, bed mud blender and diving dredge pump unit into；Deep-graded module is made of high frequency shale shaker, high-frequency dewatering screen, three-level adjustment pond and two-stage cyclones；Mechanical dehydration module is made of underflow sedimentation basin, overflowing precipitation pond, the molten medicine device of stabilizer, the molten medicine device of flocculant, high pressure filtering equipment and tail water processing equipment；Dredged bed mud is separated into three parts of different organic matters or content of beary metal by depth after processing, and different recycling modes is respectively adopted, so as to which while processing cost is effectively reduced, various beneficiating ingredients makes full use of in realization bed mud.
Description
Technical field
The present invention relates to the improvement that bed mud administering method is gushed to river and lake pool, concretely relate to a kind of river and lake pool and gush bed mud
Deep-graded processing system, while additionally provide the side that Dredged bed mud deep-graded and recycling are realized using this system
Method belongs to environmental technology field.
Background technology
River and lake pool gushes black and odorous water and not only brings very poor sensory experience to resident and directly affect masses' production life
Protrusion water environmental problems living.Bed mud gushes the important component of the ecosystem as river and lake pool, is not only water nutrition substance
The key link and nutrients of cycle, persistence organic pollutant, heavy metal main aggregation library, therefore be to cause water body
Pollution is most important endogenous with ecosystem destruction.Important composition portion as river and lake pool water burst body pollution comprehensive treatment system
Point, bed mud improvement is receiving more and more attention.
Sediment Dredging from water body system due to can thoroughly remove pollutant, so as to largely improve water body water
Matter improves water safety, promotes ecological system degradation, and internal contamination is avoided to be discharged to overlying water, is got in recent years
To be more widely applied.However, traditional Dredged bed mud processing disposal technology is relatively extensive, to different-grain diameter, different organic matters
With the sediment particles of heavy metal contaminants content using indiscriminate processing means, cause the outlet of bed mud product single and yield
It is huge, it is improved so as to cause processing energy consumption, renewable resource waste, land resource occupies, and secondary pollution increase etc. is a series of to ask
Topic.Some researches show that organic matter and heavy metal contaminants are mainly enriched in tiny sediment particles, and opposite in structure
Content is relatively low in closely knit big particle, therefore the sediment particles of different-grain diameter correspond to different optimum treatment modes.To sum up institute
It states, using organic matter or heavy metal contaminants content as leading indicator, a kind of minimizing that Dredged bed mud is gushed for river and lake pool of exploitation
Classification treatment technology is of great significance.
Invention content
It is the technical issues of in order to solve proposed in background technology, stable the present invention provides a kind of of low cost,
Convenient construction, the river and lake pool of operating flexibility gush bed mud deep-graded processing system and method.
In order to achieve the above object, the present invention provides a kind of river and lake pools to gush bed mud deep-graded processing system, feature
It is：
It include by dredge cofferdam, bed mud blender, diving dredge pump, high frequency shale shaker, high-frequency dewatering screen, level-one adjustment pond,
Underflow outlet, underflow two level adjustment pond, underflow second cyclone, underflow sedimentation basin and the underflow high pressure press filtration of level-one cyclone are set
Standby to be sequentially connected in series, the medicine outlet of the molten medicine device of flocculant and the molten medicine device of stabilizer is connected on underflow sedimentation basin dosing mouth.
The overflow outlet of level-one cyclone, overflow two level adjustment pond, overflow second cyclone and overflow three-level adjustment pond according to
Secondary series connection, the outlet in overflow three-level adjustment pond are connected to dredging cofferdam, and overflow, the overflow of two second cyclones of underflow outlet are connected to
Overflowing precipitation pond, the outlet in overflowing precipitation pond are connected to overflow high pressure filtering equipment, the molten medicine device of flocculant and the molten medicine dress of stabilizer
The medicine outlet put is connected on overflowing precipitation pond dosing mouth.
The present invention also provides a kind of river and lake pools to gush bed mud Deep stage treatment method, specifically,
（a）Laboratory and pilot scale research are carried out to the bed mud fundamental characteristics of target water body first, grasp the grain size point of original bed mud
The content of organic matter and heavy metal contaminants in cloth and different-grain diameter particle determines the partition size and corollary equipment of cyclone
Performance parameter；.
（b）Pending section range is selected, dredging cofferdam 1 is piled up with the materials such as channel deposits and other sandstones, will wait to locate
Reason section is isolated with water proximate；
（c）It extracts the water dredged in cofferdam out a part, makes remaining water and bed mud energy after the immixture of bed mud blender
Enough form the raw slurry that solid content is 3 ~ 8%；
（d）Raw slurry is delivered to high frequency shale shaker by diving dredge pump, wherein will be more than 1 mm by grain size after stabilizer elutes
Sandstone screen out；Sandstone on sieve enters high-frequency dewatering screen and is dehydrated, and is directly transported outward later by closeding transporting vehicle as building
MAT'L recycling；
（e）It removes the mud after sandstone and enters level-one adjustment pond, after mating slurry agitator stirs evenly, by mating mud
Stock pump is delivered to level-one cyclone；Mud is initially separated into the relatively low level-one underflow of the content of organic matter and organic by level-one cyclone
The higher level-one overflow of matter content；
（f）Level-one underflow enters underflow two level adjustment pond, since level-one underflow solid content is higher, needs to adjust pond to underflow two level
Middle a part of clear water from tail water processing equipment of addition, so that the mud solid content in pond is maintained in the range of 3 ~ 8%；Bottom
The level-one underflow in two level adjustment pond is flowed after mating slurry agitator stirs evenly, and underflow is delivered to by mating slush pump
Second cyclone；Level-one underflow is further separated into the lower two level underflow of the content of organic matter and organic by underflow second cyclone
Matter content is approached with level-one overflow or higher two level overflow, and wherein two level underflow enters underflow sedimentation basin, and two level overflow enters
Overflowing precipitation pond；
（g）Level-one overflow enters overflow two level adjustment pond, after mating slurry agitator stirs evenly, by mating slush pump
It is delivered to overflow second cyclone；Level-one overflow is further separated into the higher two level of the content of organic matter by overflow second cyclone
Overflow and the content of organic matter and the close two level underflow of raw slurry, wherein two level overflow enter overflowing precipitation pond, two level underflow
Pond is adjusted into overflow three-level；
（h）Mud in overflow three-level adjustment pond is conveyed after mating slurry agitator stirs evenly by mating slush pump
It returns in dredging cofferdam, carries out multi-cycle separation；
（i）The molten medicine device of stabilizer by prepared stable pharmaceutical solution continuous conveying to high frequency shale shaker, underflow sedimentation basin and
Overflowing precipitation pond；The molten medicine device of flocculant is by prepared flocculation liquid medicine continuous conveying to underflow sedimentation basin and overflowing precipitation
Pond；
（j）In underflow sedimentation basin and overflowing precipitation pond, mud particle substance complete broken glue, de- steady, conglomeration, coagulation, flocculation and
Precipitation, significantly improving and carry out preliminary separation of solid and liquid so as to fulfill dewatering；
（k）Underflow sedimentation basin and the concentration mud in overflowing precipitation pond respectively enter overflow high pressure filtering equipment, underflow high pressure press filtration
Equipment carries out mechanical dehydration, and dewatered mud cake is by being transported to respective final disposal place outside closeding transporting vehicle, respectively as building
Material raw material and composting material carry out recycling.
Compared with prior art, the present invention has the advantages that：
1st, original bed mud depth can be separated into three parts, and be respectively adopted with needle according to the difference of its content of organic matter
To the recycling mode of property, the various beneficiating ingredients in bed mud is made fully to be recycled, economic and social benefit significantly carries
It is high.
2nd, the sandstone part relatively low to pollutant load in bed mud effectively reduces bottom using the processing mode simply eluted
The operating cost of mud treatment system.
3rd, system footprint area is small, mobile facility, can continuous and steady operation, sludge handling amount is big, and dehydrated sludge cake can be straight
Outward transport is connect, therefore has saved a large amount of land resource.
4th, the dehydrated sludge cake stability that system generates is high and moisture content is low, is readily transported, while tail water is effectively purified,
Therefore the risk of secondary pollution generation is significantly reduced.
Description of the drawings：
Fig. 1 is the organigram that a kind of river and lake pool gushes bed mud deep-graded processing system.
The material balance figure that Fig. 2 is obtained for the pilot plant test carried out for the two-stage cyclonic separation process in the present invention
(on the basis of 100 kg solid formations).
Specific embodiment：
The invention will be further described in the following with reference to the drawings and specific embodiments.
It is included by dredging cofferdam, bed mud blender, diving dredge pump, high frequency shale shaker, high-frequency dewatering screen, level-one adjustment
Pond, the underflow outlet of level-one cyclone, underflow two level adjustment pond, underflow second cyclone, underflow sedimentation basin and underflow high pressure pressure
Filter equipment is sequentially connected in series, and the medicine outlet of the molten medicine device of flocculant and the molten medicine device of stabilizer is connected on underflow sedimentation basin dosing
Mouthful.
The overflow outlet of level-one cyclone, overflow two level adjustment pond, overflow second cyclone and overflow three-level adjustment pond according to
Secondary series connection, the outlet in overflow three-level adjustment pond are connected to dredging cofferdam, and overflow, the overflow of two second cyclones of underflow outlet are connected to
Overflowing precipitation pond, the outlet in overflowing precipitation pond are connected to overflow high pressure filtering equipment, the molten medicine device of flocculant and the molten medicine dress of stabilizer
The medicine outlet put is connected on overflowing precipitation pond dosing mouth.
The molten medicine device of stabilizer is using EDTA as medicament.The molten medicine device of flocculant is using PAM and PAC as medicament.Two
A high pressure filtering equipment uses plate and frame filter press.Tail water processing equipment carries out tail water purification using conventional magnetic separation technique.
The specific implementation process that above system progress river and lake pool gushes the processing of bed mud deep-graded is as described below.
（a）Laboratory and pilot scale research are carried out to the bed mud fundamental characteristics of target water body first, grasp the grain of original bed mud
Diameter be distributed and different-grain diameter particle in the content of organic matter and heavy metal contaminants, determine the partition size of cyclone and mating
The performance parameter of equipment；.
（b）Pending section range is selected, dredging cofferdam 1 is piled up with the materials such as channel deposits and other sandstones, will wait to locate
Reason section is isolated with water proximate；
（c）It extracts the water dredged in cofferdam out a part, makes remaining water and bed mud energy after the immixture of bed mud blender
Enough form the raw slurry that solid content is 3 ~ 8%；
（d）Raw slurry is delivered to high frequency shale shaker by diving dredge pump, wherein will be more than 1 mm by grain size after stabilizer elutes
Sandstone screen out；Sandstone on sieve enters high-frequency dewatering screen and is dehydrated, and is directly transported outward later by closeding transporting vehicle as building
MAT'L recycling；
（e）It removes the mud after sandstone and enters level-one adjustment pond, after mating slurry agitator stirs evenly, by mating mud
Stock pump is delivered to level-one cyclone；Mud is initially separated into the relatively low level-one underflow of the content of organic matter and organic by level-one cyclone
The higher level-one overflow of matter content；
（f）Level-one underflow enters underflow two level adjustment pond, since level-one underflow solid content is higher, needs to adjust pond to underflow two level
Middle a part of clear water from tail water processing equipment of addition, so that the mud solid content in pond is maintained in the range of 3 ~ 8%；Bottom
The level-one underflow in two level adjustment pond is flowed after mating slurry agitator stirs evenly, and underflow is delivered to by mating slush pump
Second cyclone；Level-one underflow is further separated into the lower two level underflow of the content of organic matter and organic by underflow second cyclone
Matter content is approached with level-one overflow or higher two level overflow, and wherein two level underflow enters underflow sedimentation basin, and two level overflow enters
Overflowing precipitation pond；
（g）Level-one overflow enters overflow two level adjustment pond, after mating slurry agitator stirs evenly, by mating slush pump
It is delivered to overflow second cyclone；Level-one overflow is further separated into the higher two level of the content of organic matter by overflow second cyclone
Overflow and the content of organic matter and the close two level underflow of raw slurry, wherein two level overflow enter overflowing precipitation pond, two level underflow
Pond is adjusted into overflow three-level；
（h）Mud in overflow three-level adjustment pond is conveyed after mating slurry agitator stirs evenly by mating slush pump
It returns in dredging cofferdam, carries out multi-cycle separation；
（i）The molten medicine device of stabilizer by prepared stable pharmaceutical solution continuous conveying to high frequency shale shaker, underflow sedimentation basin and
Overflowing precipitation pond；The molten medicine device of flocculant is by prepared flocculation liquid medicine continuous conveying to underflow sedimentation basin and overflowing precipitation
Pond；
（j）In underflow sedimentation basin and overflowing precipitation pond, mud particle substance complete broken glue, de- steady, conglomeration, coagulation, flocculation and
Precipitation, significantly improving and carry out preliminary separation of solid and liquid so as to fulfill dewatering；
（k）Underflow sedimentation basin and the concentration mud in overflowing precipitation pond respectively enter overflow high pressure filtering equipment, underflow high pressure press filtration
Equipment carries out mechanical dehydration, and dewatered mud cake is by being transported to respective final disposal place outside closeding transporting vehicle, respectively as building
Material raw material and composting material carry out recycling；
The draining of underflow sedimentation basin and the supernatant, high-frequency dewatering screen in overflowing precipitation pond and the pressing filtering liquid of high pressure filtering equipment are equal
It is purified into tail water processing equipment, is partly delivered to two level adjustment pond later, remaining is then directly vented back to river.
The fundamental characteristics of the original bed mud of certain city river is as shown in table 1.For the two-stage cyclonic separation process in the present invention,
It is as shown in Figure 2 using the material balance that this river bottom mud is obtained by the pilot plant test that process object is carried out.
The original bed mud fundamental characteristics of certain city river of table 1
The above-mentioned purpose to embodiment description, which is easy for those skilled in the art, can fully understand and effectively make
With the present invention.Person skilled in the art obviously can easily by the various modifications made to these embodiments,
General principle described herein is applied in other embodiment without having to go through creative labor.Therefore, the present invention not
It is limited to above-described embodiment, those skilled in the art's enlightenment according to the present invention does not depart from modification that scope is made all
It should be within protection scope of the present invention.
Claims (3)
1. a kind of river and lake pool gushes bed mud deep-graded processing system, it is characterised in that：It is included by dredging cofferdam, bed mud stirs
Machine, diving dredge pump, high frequency shale shaker, high-frequency dewatering screen, level-one adjustment pond, the underflow outlet of level-one cyclone, underflow two level
Adjustment pond, underflow second cyclone, underflow sedimentation basin and underflow high pressure filtering equipment are sequentially connected in series, the molten medicine device of flocculant
Underflow sedimentation basin dosing mouth is connected on the medicine outlet of the molten medicine device of stabilizer.
2. river and lake pool according to claim 1 gushes bed mud deep-graded processing system, it is characterised in that：Level-one cyclone
Overflow outlet, overflow two level adjustment pond, overflow second cyclone and overflow three-level adjustment pond are sequentially connected in series, overflow three-level adjustment pond
Outlet be connected to dredging cofferdam, overflow, the overflow of two second cyclones of underflow outlet is connected to overflowing precipitation pond, overflowing precipitation pond
Outlet be connected to overflow high pressure filtering equipment, the medicine outlet of the molten medicine device of flocculant and the molten medicine device of stabilizer is connected on overflowing precipitation
Pond dosing mouth.
3. gushing bed mud deep-graded processing system classification processing river and lake pool using river and lake pool described in claim 2 gushes bed mud depth
Method, it is characterised in that：
（a）Laboratory and pilot scale research are carried out to the bed mud fundamental characteristics of target water body first, grasp the grain size point of original bed mud
The content of organic matter and heavy metal contaminants in cloth and different-grain diameter particle determines the partition size and corollary equipment of cyclone
Performance parameter；
（b）Pending section range is selected, dredging cofferdam 1 is piled up with the materials such as channel deposits and other sandstones, by pending river
Section is isolated with water proximate；
（c）It extracts the water dredged in cofferdam out a part, makes remaining water and bed mud energy after the immixture of bed mud blender
Enough form the raw slurry that solid content is 3 ~ 8%；
（d）Raw slurry is delivered to high frequency shale shaker by diving dredge pump, wherein will be more than 1 mm by grain size after stabilizer elutes
Sandstone screen out；Sandstone on sieve enters high-frequency dewatering screen and is dehydrated, and is directly transported outward later by closeding transporting vehicle as building
MAT'L recycling；
（e）It removes the mud after sandstone and enters level-one adjustment pond, after mating slurry agitator stirs evenly, by mating mud
Stock pump is delivered to level-one cyclone；Mud is initially separated into the relatively low level-one underflow of the content of organic matter and organic by level-one cyclone
The higher level-one overflow of matter content；
（f）Level-one underflow enters underflow two level adjustment pond, since level-one underflow solid content is higher, needs to adjust pond to underflow two level
Middle a part of clear water from tail water processing equipment of addition, so that the mud solid content in pond is maintained in the range of 3 ~ 8%；Bottom
The level-one underflow in two level adjustment pond is flowed after mating slurry agitator stirs evenly, and underflow is delivered to by mating slush pump
Second cyclone；Level-one underflow is further separated into the lower two level underflow of the content of organic matter and organic by underflow second cyclone
Matter content is approached with level-one overflow or higher two level overflow, and wherein two level underflow enters underflow sedimentation basin, and two level overflow enters
Overflowing precipitation pond；
（g）Level-one overflow enters overflow two level adjustment pond, after mating slurry agitator stirs evenly, by mating slush pump
It is delivered to overflow second cyclone；Level-one overflow is further separated into the higher two level of the content of organic matter by overflow second cyclone
Overflow and the content of organic matter and the close two level underflow of raw slurry, wherein two level overflow enter overflowing precipitation pond, two level underflow
Pond is adjusted into overflow three-level；
（h）Mud in overflow three-level adjustment pond is conveyed after mating slurry agitator stirs evenly by mating slush pump
It returns in dredging cofferdam, carries out multi-cycle separation；
（i）The molten medicine device of stabilizer by prepared stable pharmaceutical solution continuous conveying to high frequency shale shaker, underflow sedimentation basin and
Overflowing precipitation pond；The molten medicine device of flocculant is by prepared flocculation liquid medicine continuous conveying to underflow sedimentation basin and overflowing precipitation
Pond；
（j）In underflow sedimentation basin and overflowing precipitation pond, mud particle substance complete broken glue, de- steady, conglomeration, coagulation, flocculation and
Precipitation, significantly improving and carry out preliminary separation of solid and liquid so as to fulfill dewatering；
（k）Underflow sedimentation basin and the concentration mud in overflowing precipitation pond respectively enter overflow high pressure filtering equipment, underflow high pressure press filtration
Equipment carries out mechanical dehydration, and dewatered mud cake is by being transported to respective final disposal place outside closeding transporting vehicle, respectively as building
Material raw material and composting material carry out recycling.
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| CN201810147849.XA CN108218181A (en) | 2018-02-13 | 2018-02-13 | A kind of river and lake pool gushes bed mud deep-graded processing system and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810147849.XA CN108218181A (en) | 2018-02-13 | 2018-02-13 | A kind of river and lake pool gushes bed mud deep-graded processing system and method |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109016129A (en) * | 2018-07-02 | 2018-12-18 | 广州市永蓝环保科技有限公司 | A method of processing construction mud |
| CN109930590A (en) * | 2019-03-06 | 2019-06-25 | 华中科技大学 | A kind of hard shell workbench manufacturing equipment and method suitable for dredging silt |
| CN109985895A (en) * | 2019-03-14 | 2019-07-09 | 中国矿业大学 | Organic polluted soil prosthetic device and method |
| CN110668609A (en) * | 2019-11-06 | 2020-01-10 | 中交上海航道勘察设计研究院有限公司 | Shield waste slurry concentration treatment device and process |
| CN111058416A (en) * | 2018-10-16 | 2020-04-24 | 成秉功 | Reservoir repair system |
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| CN109930590A (en) * | 2019-03-06 | 2019-06-25 | 华中科技大学 | A kind of hard shell workbench manufacturing equipment and method suitable for dredging silt |
| CN109930590B (en) * | 2019-03-06 | 2024-03-19 | 华中科技大学 | Hard shell working platform manufacturing equipment and method suitable for dredging sludge |
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| CN111908748A (en) * | 2020-08-03 | 2020-11-10 | 中建水务环保有限公司 | River channel dredging method |
| CN112159069A (en) * | 2020-09-23 | 2021-01-01 | 广州珠科院工程勘察设计有限公司 | River and lake bottom mud decrement resourceful treatment system |
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