CN106746350A - Improved leather waste water retracting device - Google Patents
Improved leather waste water retracting device Download PDFInfo
- Publication number
- CN106746350A CN106746350A CN201710026963.2A CN201710026963A CN106746350A CN 106746350 A CN106746350 A CN 106746350A CN 201710026963 A CN201710026963 A CN 201710026963A CN 106746350 A CN106746350 A CN 106746350A
- Authority
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- China
- Prior art keywords
- mud
- plate
- reative cell
- sets
- waste water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000002351 wastewater Substances 0.000 title claims abstract description 41
- 239000010985 leather Substances 0.000 title claims abstract description 25
- 239000000463 material Substances 0.000 claims abstract description 35
- 238000006243 chemical reaction Methods 0.000 claims abstract description 33
- 238000001914 filtration Methods 0.000 claims abstract description 14
- 239000007921 spray Substances 0.000 claims abstract description 9
- 241000894006 Bacteria Species 0.000 claims abstract description 6
- 238000005273 aeration Methods 0.000 claims abstract description 6
- 238000011049 filling Methods 0.000 claims abstract description 4
- 238000003756 stirring Methods 0.000 claims description 15
- 238000005507 spraying Methods 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 9
- 238000000746 purification Methods 0.000 description 9
- 239000007788 liquid Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000001556 precipitation Methods 0.000 description 4
- 239000006228 supernatant Substances 0.000 description 4
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 3
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 2
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 2
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000012295 chemical reaction liquid Substances 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 102000004169 proteins and genes Human genes 0.000 description 2
- 108090000623 proteins and genes Proteins 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 206010061218 Inflammation Diseases 0.000 description 1
- 206010029240 Neuritis Diseases 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 208000007502 anemia Diseases 0.000 description 1
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 231100000357 carcinogen Toxicity 0.000 description 1
- 239000003183 carcinogenic agent Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 239000001963 growth medium Substances 0.000 description 1
- 210000004209 hair Anatomy 0.000 description 1
- 231100000086 high toxicity Toxicity 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 230000004054 inflammatory process Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 210000003456 pulmonary alveoli Anatomy 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000000241 respiratory effect Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000000725 suspension 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
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- 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
- 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
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/22—Nature of the water, waste water, sewage or sludge to be treated from the processing of animals, e.g. poultry, fish, or parts thereof
- C02F2103/24—Nature of the water, waste water, sewage or sludge to be treated from the processing of animals, e.g. poultry, fish, or parts thereof from tanneries
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
- C02F2201/007—Modular design
-
- 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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention provides a kind of improved leather waste water retracting device.The present invention includes treatment pond body, and treatment pond body side sets inlet, and another upper lateral part sets delivery port, and bottom sets mud mouth, and inlet connection mud chamber, mud chamber's tail end sets the lifter plate of heeling condition;The base of lifter plate is connected by spoil disposal gap and multilayer plate is set in mud sinking chamber, mud sinking chamber, and reaction biological bacteria is filled on plate, and the lower section of multilayer plate sets aeration tube, the tail end connection mud mouth of mud sinking chamber;The top margin of lifter plate is connected by discharge opeing breach and agitating paddle is set in the first reative cell, the first reative cell, and agitating paddle has material spray pipeline by rotary electric machine drive connection on agitating paddle, material spray pipeline connects charging pump by feeder sleeve;First reative cell connects the second reative cell by feed lines, if placing dried layer filtering reaction plate in the second reative cell, some reaction material bags of filling in filtering reaction plate, the tail end connection delivery port of the second reative cell.
Description
Technical field
The invention belongs to field of mechanical technique, it is related to a kind of Recovery Purifying technology, particularly a kind of improved leather waste water
Retracting device.
Background technology
Curriery is the industry for producing large amount of sewage, and tanning sewage is not only measured greatly, and is a kind of complicated component, high concentration
Organic wastewater wherein contain large quantities of lime, dyestuff, protein, salt, grease, ammonia nitrogen, sulfide, chromic salts and hairs, skin
The poisonous and harmful substances such as slag, silt particle.CODCr, BOD5, sulfide, ammonia nitrogen, suspension etc. are very high, are a kind of more refractory reasons
Industrial wastewater.
Leather-making waste water is needed due to technique, can produce a large amount of chrome waste liquids.Chromium is one of high toxicity element, directly discharges meeting
Severe contamination is caused to environment, human contact or intake can cause exanthemv, respiratory inflammation, anaemia, neuritis etc. serious
The treatment of Organic Wastewater containing chromium of injury, one of it or known carcinogen, therefore the intractable high concentration containing protein
As difficult point.How leather-making waste water is carried out into recycling in addition also turns into one of difficult point.
The content of the invention
The purpose of the present invention is directed to existing technology and there is above mentioned problem, it is proposed that one kind is divided into by precipitation first
Clear liquid and mud, and then purified treatment of dividing the work, reach the improved leather waste water retracting device of high-quality recovering effect.
The purpose of the present invention can be realized by following technical proposal:Improved leather waste water retracting device, including treatment
Pond body, the side of the treatment pond body sets inlet, and the top of opposite side sets delivery port, and bottom sets mud mouth, described
Inlet connects mud chamber, and the tail end of the mud chamber sets the lifter plate of heeling condition;The base of the lifter plate is by row
Mud gap is connected and multilayer plate is set in mud sinking chamber, the mud sinking chamber, and reaction biological bacteria is filled on the plate, many
The lower section of layer plate sets aeration tube, and the tail end of the mud sinking chamber connects above-mentioned mud mouth;The top margin of the lifter plate leads to
Cross discharge opeing breach and connect setting agitating paddle in the first reative cell, first reative cell, the agitating paddle is driven by rotary electric machine
Dynamic connection, has material spray pipeline on the agitating paddle, the material spray pipeline connects charging pump by feeder sleeve;First reaction
Room connects the second reative cell by feed lines, if placing dried layer filtering reaction plate in second reative cell, the filtering is anti-
The tail end of some reaction material bags of filling in plate, second reative cell is answered to connect above-mentioned delivery port.
Originally the action method of improved leather waste water retracting device is:Leather waste water mixed with impurity flows first from inlet
Enter mud chamber, now the spoil disposal gap on lifter plate base is closed, make through precipitation after a while in mud chamber
With waste water is divided into supernatant and sinking mud;Periodically drive lifter plate to rise, sinking mud is emitted into heavy mud with by spoil disposal gap
In room, by aeration tube feed oxygen and ozone, carry out oxygenolysis by reacting biological bacteria, reach purification purpose after by
Gradually discharged from mud mouth, and then recycled;Supernatant in mud chamber gradually passes through discharge opeing breach into the first reative cell, leads to
On the one hand cross agitating paddle carries out uniform stirring effect, is on the other hand sprayed to waste water by reaction mass is purified by material spray pipeline
In, the purification reaction of material is accelerated under circulation stirring;The waste water for then completing primary purifying reaction is entered by feed lines
Second reative cell, waste water carries out secondary purification reaction with the reaction material bag on filtering reaction plate again, is finally reached purification purpose
Current are recycled from delivery port outflow.
In above-mentioned improved leather waste water retracting device, first reative cell is divided into cavity region and lower alveolus
Domain, the upper cavity region is connected with lower cavity region by communication port, each sets above-mentioned in the upper cavity region, lower cavity region
Agitating paddle.First reative cell is divided into upper and lower two separated regions, and using circulation path staggeredly, to provide waste water first
The enough reaction time in reative cell, and response path is elongated, fully reacted, intensified response effect.
In above-mentioned improved leather waste water retracting device, the agitating paddle includes axostylus axostyle, if being set on the axostylus axostyle
Dry stirring vane, the axostylus axostyle inside sets conveying pipeline, and the stirring vane inside sets material stock chamber, the conveying pipeline and material stock
Chamber is connected, and the surface of the stirring vane is uniformly arranged some material spraying holes.Reaction liquid material or gas material reach material stock by axostylus axostyle
Chamber, is uniformly sprayed in waste water eventually through material spraying hole.
In above-mentioned improved leather waste water retracting device, the top of the lifter plate sets pin joint, the lifting
By lift cylinder drive connection, the top of the telescopic shaft of the lift cylinder is hinged on the back side of the lifter plate plate.When
When lift cylinder promotes telescopic shaft, the upward rotation of lifter plate is driven, and then be gradually opened the spoil disposal gap on lifter plate base;When
When lift cylinder retracts telescopic shaft, the downward rotation of lifter plate is driven, and then the spoil disposal gap on lifter plate base is gradually turned down, directly
To completely closing.
In above-mentioned improved leather waste water retracting device, the mud sinking chamber sets the slide guide base plate of heeling condition, institute
State the high-end connection spoil disposal gap of slide guide base plate.Using the self gravitation of heavy mud by the guiding of slide guide base plate, gradually to
Mud mouth is discharged.
In above-mentioned improved leather waste water retracting device, the filtering inclined spread configuration of reaction plate, its inclination
Angle is 35 ° to 45 °.
Compared with prior art, this improved leather waste water retracting device, is divided into clear liquid and mud by precipitation first,
Regular spoil disposal is then utilized, both is carried out division of labor purified treatment, further with oxidation Decomposition, stirring sprinkling, filtering reaction
Deng effect, accelerate purified treatment, reach high-quality recovering effect.
Brief description of the drawings
Fig. 1 is the structural representation of this improved leather waste water retracting device.
In figure, 1, inlet;2nd, mud chamber;3rd, lifter plate;4th, lift cylinder;5th, mud sinking chamber;6th, plate;7th, mud extraction
Mouthful;8th, the first reative cell;9th, agitating paddle;10th, feed lines;11st, the second reative cell;12nd, reaction plate is filtered;13rd, delivery port.
Specific embodiment
The following is specific embodiment of the invention and with reference to accompanying drawing, technical scheme is further described,
But the present invention is not limited to these embodiments.
As shown in figure 1, this improved leather waste water retracting device, including treatment pond body, process pond body side set into
Liquid mouthful 1, the top of opposite side sets delivery port 13, and bottom sets mud mouth 7, the connection of inlet 1 mud chamber 2, the tail of mud chamber 2
End sets the lifter plate 3 of heeling condition;The base of lifter plate 3 is connected by spoil disposal gap and set in mud sinking chamber 5, mud sinking chamber 5 many
Layer plate 6, fills reaction biological bacteria on plate 6, the lower section of multilayer plate 6 sets aeration tube, mud sinking chamber 5
Tail end connects mud mouth 7;The top margin of lifter plate 3 connects the first reative cell 8 by discharge opeing breach, is set in the first reative cell 8 and stirred
Oar 9 is mixed, agitating paddle 9 has material spray pipeline by rotary electric machine drive connection on agitating paddle 9, material spray pipeline is connected by feeder sleeve
Connect charging pump;First reative cell 8 connects the second reative cell 11 by feed lines 10, if placing dried layer mistake in the second reative cell 11
Filter reaction plate 12, some reaction material bags of filling in filtering reaction plate 12, the tail end connection delivery port 13 of the second reative cell 11.
Originally the action method of improved leather waste water retracting device is:Mixed with impurity leather waste water from inlet 1 first
Mud chamber 2 is flowed into, now the spoil disposal gap on the base of lifter plate 3 is closed, it is heavy through after a while in the mud chamber 2
Shallow lake acts on, and waste water is divided into supernatant and sinking mud;Periodically drive lifter plate 3 to rise, discharge sinking mud with by spoil disposal gap
Into mud sinking chamber 5, oxygen and ozone are fed by aeration tube, oxygenolysis is carried out by reacting biological bacteria, reach purification
Gradually discharged from mud mouth 7 after purpose, and then recycled;Supernatant in mud chamber 2 gradually passes through discharge opeing breach and enters
One reative cell 8, uniform stirring effect is carried out by the one side of agitating paddle 9, on the other hand will purify reactant by material spray pipeline
Material is sprayed in waste water, and the purification reaction of material is accelerated under circulation stirring;The waste water for then completing primary purifying reaction passes through
Feed lines 10 enter the second reative cell 11, and it is anti-that waste water carries out secondary purification with the reaction material bag filtered on reaction plate 12 again
Should, it is finally reached purification purpose current and is recycled from the outflow of delivery port 13.
First reative cell 8 is divided into cavity region and lower cavity region, and upper cavity region is connected with lower cavity region by communication port
It is logical, agitating paddle 9 is each set in upper cavity region, lower cavity region.First reative cell 8 is divided into upper and lower two separated regions, and is adopted
With circulation path staggeredly, to provide waste water the enough reaction time in the first reative cell 8, and response path is elongated, filled
Divide and reacted, intensified response effect.
Agitating paddle 9 includes axostylus axostyle, and some stirring vanes are set on axostylus axostyle, and axostylus axostyle inside sets conveying pipeline, in stirring vane
Portion sets material stock chamber, and conveying pipeline is connected with material stock chamber, and the surface of stirring vane is uniformly arranged some material spraying holes.Reaction liquid material or
Gas material reaches material stock chamber by axostylus axostyle, is uniformly sprayed in waste water eventually through material spraying hole.
The top of lifter plate 3 sets pin joint, lifter plate 3 by the drive connection of lift cylinder 4, lift cylinder 4 it is flexible
The top of axle is hinged on the back side of lifter plate 3.When lift cylinder 4 promotes telescopic shaft, the upward rotation of lifter plate 3 is driven, entered
And it is gradually opened the spoil disposal gap on the base of lifter plate 3;When lift cylinder 4 retracts telescopic shaft, lifter plate 3 is driven to the bottom
Turn, and then the spoil disposal gap on the base of lifter plate 3 is gradually turned down, until completely closing.
Mud sinking chamber 5 sets the slide guide base plate of heeling condition, the high-end connection spoil disposal gap of slide guide base plate.Using heavy mud from
The guiding that body gravity passes through slide guide base plate, gradually discharges to mud mouth 7.
The filtering inclined spread configuration of reaction plate 12, its angle of inclination is 35 ° to 45 °.
This improved leather waste water retracting device, is divided into clear liquid and mud by precipitation first, then using periodically row
Mud, makes both carry out division of labor purified treatment, further with effects such as oxidation Decomposition, stirring sprinkling, filtering reactions, accelerates purification
Treatment, reaches high-quality recovering effect.
Specific embodiment described herein is only to the spiritual explanation for example of the present invention.Technology neck belonging to of the invention
The technical staff in domain can be made various modifications or supplement to described specific embodiment or be replaced using similar mode
Generation, but without departing from spirit of the invention or surmount scope defined in appended claims.
Although more having used inlet 1 herein;Mud chamber 2;Lifter plate 3;Lift cylinder 4;Mud sinking chamber 5;Culture medium
Plate 6;Mud mouth 7;First reative cell 8;Agitating paddle 9;Feed lines 10;Second reative cell 11;Filtering reaction plate 12;Delivery port 13
Deng term, but it is not precluded from using the possibility of other terms.Conciliate just for the sake of more easily description using these terms
Release essence of the invention;Any additional limitation is construed as all to be disagreed with spirit of the present invention.
Claims (6)
1. improved leather waste water retracting device, including treatment pond body, the side of the treatment pond body sets inlet, opposite side
Top delivery port is set, bottom sets mud mouth, it is characterised in that the inlet connects mud chamber, the mud chamber
Tail end sets the lifter plate of heeling condition;The base of the lifter plate connects mud sinking chamber by spoil disposal gap, in the mud sinking chamber
Multilayer plate is set, reaction biological bacteria is filled on the plate, the lower section of multilayer plate sets aeration tube, institute
The tail end for stating mud sinking chamber connects above-mentioned mud mouth;The top margin of the lifter plate connects the first reative cell by discharge opeing breach, described
Agitating paddle is set in the first reative cell, and the agitating paddle has stuff-spraying pipe by rotary electric machine drive connection on the agitating paddle
Road, the material spray pipeline connects charging pump by feeder sleeve;First reative cell connects the second reative cell by feed lines,
If placing dried layer filtering reaction plate in second reative cell, some reaction material bags of filling in the filtering reaction plate, described the
The tail end of two reative cells connects above-mentioned delivery port.
2. improved leather waste water retracting device according to claim 1, it is characterised in that first reative cell is divided
It is upper cavity region and lower cavity region, the upper cavity region is connected with lower cavity region by communication port, the upper cavity region, cavity of resorption
Above-mentioned agitating paddle is each set in region.
3. improved leather waste water retracting device according to claim 1, it is characterised in that the agitating paddle includes axle
Bar, sets some stirring vanes on the axostylus axostyle, the axostylus axostyle inside sets conveying pipeline, and the stirring vane inside sets material stock
Chamber, the conveying pipeline is connected with material stock chamber, and the surface of the stirring vane is uniformly arranged some material spraying holes.
4. improved leather waste water retracting device according to claim 1, it is characterised in that the top of the lifter plate sets
Put pin joint, by lift cylinder drive connection, the top of the telescopic shaft of the lift cylinder is hinged on described the lifter plate
On the back side of lifter plate.
5. improved leather waste water retracting device according to claim 1, it is characterised in that the mud sinking chamber sets and inclines
The slide guide base plate of state, the high-end connection spoil disposal gap of the slide guide base plate.
6. improved leather waste water retracting device according to claim 1, it is characterised in that the filtering reaction plate is in inclining
Oblique spread configuration, its angle of inclination is 35 ° to 45 °.
Priority Applications (1)
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CN201710026963.2A CN106746350A (en) | 2017-01-15 | 2017-01-15 | Improved leather waste water retracting device |
Applications Claiming Priority (1)
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CN201710026963.2A CN106746350A (en) | 2017-01-15 | 2017-01-15 | Improved leather waste water retracting device |
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CN106746350A true CN106746350A (en) | 2017-05-31 |
Family
ID=58946542
Family Applications (1)
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CN201710026963.2A Pending CN106746350A (en) | 2017-01-15 | 2017-01-15 | Improved leather waste water retracting device |
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Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10216766A (en) * | 1997-01-31 | 1998-08-18 | Toshiba Corp | Sewage treatment facility |
CN101704608A (en) * | 2009-11-19 | 2010-05-12 | 浙江工业大学 | Distributed sewage advanced treatment device with sludge treatment and method thereof |
CN101823802A (en) * | 2010-05-07 | 2010-09-08 | 海宁瑞星皮革有限公司 | Leather tanning wastewater chromium recovery unit |
CN104193111A (en) * | 2014-09-17 | 2014-12-10 | 福建隆上超纤有限公司 | Treatment method for waste water from artificial leather |
CN204689812U (en) * | 2015-06-04 | 2015-10-07 | 湖南永清环保研究院有限责任公司 | A kind of containing chromium leather waste water process recovery system |
CN104973738A (en) * | 2015-07-26 | 2015-10-14 | 李娜 | Method for removing pollutants from chromium-containing sewage |
CN205653261U (en) * | 2016-04-27 | 2016-10-19 | 沈阳工业大学 | Sewage treating integrated equipment |
CN206384999U (en) * | 2017-01-15 | 2017-08-08 | 浙江深梦皮革科技有限公司 | Improved leather waste water retracting device |
-
2017
- 2017-01-15 CN CN201710026963.2A patent/CN106746350A/en active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10216766A (en) * | 1997-01-31 | 1998-08-18 | Toshiba Corp | Sewage treatment facility |
CN101704608A (en) * | 2009-11-19 | 2010-05-12 | 浙江工业大学 | Distributed sewage advanced treatment device with sludge treatment and method thereof |
CN101823802A (en) * | 2010-05-07 | 2010-09-08 | 海宁瑞星皮革有限公司 | Leather tanning wastewater chromium recovery unit |
CN104193111A (en) * | 2014-09-17 | 2014-12-10 | 福建隆上超纤有限公司 | Treatment method for waste water from artificial leather |
CN204689812U (en) * | 2015-06-04 | 2015-10-07 | 湖南永清环保研究院有限责任公司 | A kind of containing chromium leather waste water process recovery system |
CN104973738A (en) * | 2015-07-26 | 2015-10-14 | 李娜 | Method for removing pollutants from chromium-containing sewage |
CN205653261U (en) * | 2016-04-27 | 2016-10-19 | 沈阳工业大学 | Sewage treating integrated equipment |
CN206384999U (en) * | 2017-01-15 | 2017-08-08 | 浙江深梦皮革科技有限公司 | Improved leather waste water retracting device |
Non-Patent Citations (1)
Title |
---|
叶书磷: "《地基处理》", 31 August 1988, 中国建筑工业出版社 * |
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Address after: 314400 Haining Economic Development Zone, Zhejiang, Shi Shi Road, No. 20, No. Applicant after: ZHEJIANG SHENMENG LEATHER TECHNOLOGY CO.,LTD. Address before: 314400 Haining Economic Development Zone, Zhejiang, Shi Shi Road, No. 20, No. Applicant before: HAINING MENGNU LEATHER PRODUCTS CO.,LTD. |
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Application publication date: 20170531 |