CN109485224A - A kind of vacuum spiral spin axis bag filter - Google Patents
A kind of vacuum spiral spin axis bag filter Download PDFInfo
- Publication number
- CN109485224A CN109485224A CN201811611721.0A CN201811611721A CN109485224A CN 109485224 A CN109485224 A CN 109485224A CN 201811611721 A CN201811611721 A CN 201811611721A CN 109485224 A CN109485224 A CN 109485224A
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- filter
- screw shaft
- feeding device
- filter sleeve
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- 239000004744 fabric Substances 0.000 claims abstract description 46
- 238000001914 filtration Methods 0.000 claims abstract description 41
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims description 21
- 239000000706 filtrate Substances 0.000 claims description 12
- 238000007599 discharging Methods 0.000 claims description 10
- 230000009471 action Effects 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- 239000011344 liquid material Substances 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 230000007613 environmental effect Effects 0.000 claims 1
- 239000012065 filter cake Substances 0.000 abstract description 12
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 239000007787 solid Substances 0.000 description 12
- 239000010802 sludge Substances 0.000 description 9
- 210000003608 fece Anatomy 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 238000004140 cleaning Methods 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 244000144972 livestock Species 0.000 description 6
- 244000144977 poultry Species 0.000 description 6
- 230000007423 decrease Effects 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 3
- 239000010865 sewage Substances 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005189 flocculation Methods 0.000 description 2
- 230000016615 flocculation Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 230000032258 transport Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000002515 guano Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000005488 sandblasting Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Filtration Of Liquid (AREA)
- Treatment Of Sludge (AREA)
Abstract
本发明属于过滤设备技术领域，尤其涉及一种真空螺旋轴袋式过滤器。所述过滤器包括一级过滤系统、二级过滤系统和真空泵，所述级过滤系统和二级过滤系统连通，所述真空泵设置在二级过滤系统上；所述一级过滤系统和二级过滤系统中均包括减速机、入料装置、过滤器套筒、螺旋轴、滤布、出水口等，所述入料装置和过滤器套筒连通，所述螺旋轴设置在过滤器套筒中，所述滤布设置在过滤器套筒和螺旋轴之间，所述出水口与过滤器套筒的底端连接，所述减速机用于驱动螺旋轴。本发明的真空螺旋轴袋式过滤器采用两级过滤系统，并配置螺旋轴和真空泵，提高过滤效率，减少滤饼形成，减少滤布更换周期，提高滤布使用寿命。
The invention belongs to the technical field of filtering equipment, in particular to a vacuum screw shaft bag filter. The filter includes a primary filtration system, a secondary filtration system and a vacuum pump, the primary filtration system is communicated with the secondary filtration system, and the vacuum pump is arranged on the secondary filtration system; the primary filtration system and the secondary filtration system The system includes a reducer, a feeding device, a filter sleeve, a screw shaft, a filter cloth, a water outlet, etc. The feeding device is communicated with the filter sleeve, and the screw shaft is arranged in the filter sleeve, The filter cloth is arranged between the filter sleeve and the screw shaft, the water outlet is connected with the bottom end of the filter sleeve, and the reducer is used to drive the screw shaft. The vacuum spiral shaft bag filter of the invention adopts a two-stage filtration system, and is equipped with a spiral shaft and a vacuum pump, so as to improve the filtration efficiency, reduce the formation of filter cake, reduce the replacement cycle of the filter cloth, and improve the service life of the filter cloth.
Description
Technical field
The invention belongs to filter plant technical field more particularly to a kind of vacuum spiral spin axis bag filters.
Background technique
Bag filter is a kind of pressure type filter, mainly there is filtration barrel body, filtration barrel cover and fast opening mechanism, stainless
The main components such as steel filter bag reinforcing mat composition, filtrate flow into filter bag by the side inlet tube of filter shell, and filter bag itself is arranged
Reinforcing in mesh basket, the filter bag of the excessively required fineness grade of Liquid Penetrant can obtain qualified filtrate, and impurity particle is by filter bag
It intercepts, can be continued to use after replacing filter bag.
A kind of structure novel of bag filter, small in size, convenient and flexible operation, energy conservation, efficient, closed work, applicability
Strong multipurpose filter plant.Especially filter bag side leakage probability is small, can correctly ensure filtering accuracy, and can quickly change filter
Bag, so that operating cost declines.Filter surfaces externally and internally takes mechanical sandblasting polishing to solve, average, easy cleaning.Bag filter institute
The method that the filter method taken is side to be gone out into side, the method that side can also be taken to go out the bottom of into, by the pressure in pipeline incited somebody to action
It filters liquid medium indentation or is pumped into bag filter staving, the liquid medium to be filtered is supported to filter blue support via electropolishing punching
Filter bag filtering, changed solid-liquid arrives separately at the result that liquid medium is filtered.
However, filter cloth in bag filter can bond filter cake in filter bag after being used for a long time, the presence of filter cake can make to knit
Object filter bag forms flow resistance, and such as removing filter cake not in time will be greatly reduced the rate of filtration, increases energy consumption.In addition, filter cloth cleans
Cumbersome, filter cloth is easy to be hardened after cleaning, filter capacity decline.Therefore, it is necessary to study a kind of new bag filters.
Summary of the invention
For above-mentioned problems of the prior art, the present invention intends to provide a kind of vacuum spiral spin axis bag type filtering
Device.Filter of the invention uses two-stage filtration system, and configures helical axis and vacuum pump, improves filter efficiency, slows down filter cake
It is formed, reduces the filter cloth replacing period, improve filter cloth service life.
An object of the present invention is to provide a kind of vacuum spiral spin axis bag filter.
The second object of the present invention is to provide the application method of above-mentioned vacuum spiral spin axis bag filter.
The third object of the present invention is to provide the application of above-mentioned vacuum spiral spin axis bag filter.
For achieving the above object, the invention discloses following technical proposals:
Firstly, the present invention discloses a kind of vacuum spiral spin axis bag filter, comprising: first class reducer, level-one feeding device,
Grade one filter sleeve, level-one helical axis, level-one filter cloth, primary effluent mouth, automatically controlled baiting valve, 2-level reducer, second level pan feeding
Device, deuterostrophies axis, secondary filter sleeve, secondary effluent mouth, discharging device, vacuum pump and secondary filter cloth.
The grade one filter sleeve is vertically arranged, and the level-one feeding device is connected to grade one filter sleeve, level-one
Filter sleeve provides place for by-pass filtration, and the first class reducer is arranged on level-one feeding device.
The level-one helical axis along grade one filter sleeve axis direction setting grade one filter sleeve in inside, and one
The other end of grade helical axis is connect with first class reducer, and blade is had on the level-one helical axis.In the driving of first class reducer
Under, level-one helical axis rotates in grade one filter sleeve, when liquid material enters grade one filter set from level-one feeding device
When cylinder, for helical axis by rotation, disturbance material reduces solids flocculation accumulation, and provides certain centrifugal force by rotation, increases
Strong filter efficiency, while the solid matter on filter cloth is scraped with movable vane piece, slow down filter cake and is formed.
The level-one filter cloth is arranged between grade one filter sleeve and level-one helical axis around level-one helical axis, in order to
First order filtering is carried out to liquid material, by-pass filtration is primary filtration, if material particles are larger, by-pass filtration can be real
Existing effect, if by-pass filtration effect is bad, into secondary filtration, double-filtration improves filter efficiency.
The primary effluent mouth is arranged in grade one filter cartridges sides, and the lower part of grade one filter sleeve is arranged in,
Its main function is that the filtrate filtered out from level-one filter cloth is discharged.
One end of the automatically controlled baiting valve is connected to the bottom end of grade one filter sleeve, the other end of automatically controlled baiting valve and two
Grade feeding device connection, and second level feeding device is horizontally disposed, one end of the secondary filter sleeve and second level feeding device
Connection, the other end of the secondary filter sleeve are connected to discharging device, and automatically controlled blanking valve action incudes grade one filter set
Cylinder pressure provides filtration time for by-pass filtration.
The deuterostrophies axis is arranged in second level feeding device and secondary filter sleeve inner, and secondary filter sleeve is
Secondary filtration provides place, and deuterostrophies axis is driven by 2-level reducer, and blade is had on the deuterostrophies axis.
The secondary filter cloth is arranged between secondary filter sleeve and deuterostrophies axis around deuterostrophies axis, in order to
Second level filtering is carried out to liquid material, for deuterostrophies axis by rotation, disturbance material reduces solids flocculation accumulation, and driving is solid
Body substance transports forward, is discharged, while scraping the solid matter on filter cloth with movable vane piece from discharge port, slows down filter cake and formed；Institute
Vacuum pump is stated to be connected to secondary filter sleeve；The secondary effluent mouth is connected to secondary filter sleeve, and vacuum pump provides pumping
Power accelerates Flow of Goods and Materials rate, improves filter efficiency.
Further, the level-one feeding device is made of level-one feeding inlet and level-one tube body, and level-one feeding device
Level-one feeding inlet is connected to by flange with grade one filter sleeve.
Further, the first class reducer passes through shaft coupling and level-one spiral axis connection.
Further, the grade one filter sleeve is stainless steel material, and grade one filter sleeve passes through flange and electricity
Control baiting valve connection.
Further, the automatically controlled baiting valve is connected to by flange with second level feeding device.
Further, the second level feeding device is made of second level feeding inlet and second level tube body, and second level feeding device is logical
Second level feeding inlet be connected to secondary filter sleeve by flange.
Further, the two stage reducer is connected to by flange with second level feeding device.
Further, the two stage reducer passes through shaft coupling and deuterostrophies axis connection.
Further, the secondary filter sleeve is stainless steel material.
Secondly, the present invention discloses the application method of above-mentioned vacuum spiral spin axis bag filter, include the following steps:
(1) firstly, material is put into level-one tube body by the level-one feeding inlet on level-one feeding device, then material enters
In grade one filter sleeve, first class reducer driving is rotated in level-one helical axis, and material carries out under the action of level-one helical axis
Filtering, filtrate are discharged by first-level filtering cloth, and grade one filter sleeve is discharged using primary effluent mouth；
(2) surplus material enters second level feeding device by automatically controlled baiting valve, and 2-level reducer drives deuterostrophies axis to turn
Dynamic, vacuum pump is vacuumized, and material is for re-filtering under the action of deuterostrophies axis, and filtrate is arranged by secondary filter cloth
Out, secondary filter sleeve is discharged using secondary effluent mouth；Surplus material is discharged by discharging device.
Finally, the application the invention discloses above-mentioned vacuum spiral spin axis bag filter in environment protection field.
Compared with prior art, the present invention achieves following the utility model has the advantages that the present invention uses two-stage filtration system, and utilizes
Helical axis and vacuum pump, improve filter efficiency, slow down filter cake and are formed, and reduce the filter cloth replacing period, improve filter cloth service life,
Separation suitable for the mixing of a variety of solid-liquids.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present application, and the application's shows
Meaning property embodiment and its explanation are not constituted an undue limitation on the present application for explaining the application.
Fig. 1 is the structural schematic diagram of vacuum spiral spin axis bag filter of the present invention.
Attached drawing acceptance of the bid note respectively represents: 1- first class reducer, 2- level-one feeding device, 3- grade one filter sleeve, 4- mono-
Grade helical axis, 5- level-one filter cloth, 6- primary effluent mouth, the automatically controlled baiting valve of 7-, 8- 2-level reducer, 9- second level feeding device, 10-
Deuterostrophies axis, 11- secondary filter sleeve, 12- secondary effluent mouth, 13- discharging device, 14- vacuum pump, 15- secondary filter cloth.
Specific embodiment
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
As described in background, filter can be bonded in filter bag after the filter cloth in existing bag filter is used for a long time
Cake, the presence of filter cake can make fabric filter bag form flow resistance, and such as removing filter cake not in time will be greatly reduced the rate of filtration, increase
Energy consumption.In addition, filter cloth cleaning is cumbersome, filter cloth is easy to be hardened after cleaning, filter capacity decline.Therefore, the invention proposes one
Kind vacuum spiral spin axis bag filter；The present invention is further illustrated now in conjunction with the drawings and the specific embodiments.
Embodiment 1
As shown in Figure 1, a kind of vacuum spiral spin axis bag filter, comprising: first class reducer 1, level-one feeding device 2, one
Grade filter sleeve 3, level-one helical axis 4, level-one filter cloth 5, primary effluent mouth 6, automatically controlled baiting valve 7,2-level reducer 8, second level
Feeding device 9, deuterostrophies axis 10, secondary filter sleeve 11, secondary effluent mouth 12, discharging device 13, vacuum pump 14 and two
Grade filter cloth 15.
The grade one filter sleeve 3 is vertically arranged, and the level-one feeding device 2 is connected to grade one filter sleeve 3, institute
First class reducer 1 is stated to be arranged on level-one feeding device 2.
The level-one helical axis 4 along grade one filter sleeve 3 axis direction setting grade one filter sleeve 3 in inside,
And the other end of level-one helical axis 4 is connect with first class reducer 1, under the driving of first class reducer 1, level-one helical axis 4 is one
Rotation in grade filter sleeve 3, when liquid material enters grade one filter sleeve 3 from level-one feeding device 2, level-one helical axis
4 can play good decelerating effect；It is provided on the level-one helical axis 4 on helical axis with blade.
The level-one filter cloth 5 is arranged between grade one filter sleeve 3 and level-one helical axis 4 around level-one helical axis 4, with
Convenient for carrying out first order filtering to liquid material.
The primary effluent mouth 6 is arranged in 3 side of grade one filter sleeve, and is arranged under grade one filter sleeve 3
Portion, main function are that the filtrate filtered out from level-one filter cloth 5 is discharged.
One end of the automatically controlled baiting valve 7 is connected to the bottom end of grade one filter sleeve 3, the other end of automatically controlled baiting valve 7
It is connected to second level feeding device 9, and second level feeding device 9 is horizontally disposed, one end of the secondary filter sleeve 11 and second level
Feeding device 9 is connected to, and the other end of the secondary filter sleeve 11 is connected to discharging device 13.
The deuterostrophies axis 10 is arranged inside second level feeding device 9 and secondary filter sleeve 11, deuterostrophies axis
10 are driven by 2-level reducer 8.It is provided on the deuterostrophies axis 10 on helical axis with blade.
The secondary filter cloth 15 around deuterostrophies axis 10 be arranged secondary filter sleeve 11 and deuterostrophies axis 10 it
Between；The vacuum pump 14 is connected to secondary filter sleeve 11；The secondary effluent mouth 12 is connected to secondary filter sleeve 11.
The level-one feeding device 2 is made of level-one feeding inlet and level-one tube body, and the level-one pan feeding of level-one feeding device 2
Mouth is connected to by flange with grade one filter sleeve 3.
The first class reducer 1 is connect by shaft coupling with level-one helical axis 4.The grade one filter sleeve 3 is stainless
Steel material, and grade one filter sleeve 3 is connected to by flange with automatically controlled baiting valve 7.The automatically controlled baiting valve 7 passes through flange and two
Grade feeding device 9 is connected to.
The second level feeding device 9 is made of second level feeding inlet and second level tube body, and the second level that second level feeding device 9 leads to enters
Material mouth is connected to by flange with secondary filter sleeve 11.The two stage reducer 8 is connected by flange and second level feeding device 9
It is logical.The two stage reducer 8 is connect by shaft coupling with deuterostrophies axis 10.The secondary filter sleeve 11 is stainless steel
Matter.
Embodiment 2
Certain 100 ton/days of farm's livestock and poultry feces yield, solid content 15%, externally transport water content is too big, transportation cost
It is higher.Farm's animal dung sewage is handled using vacuum spiral spin axis bag filter described in embodiment 1:
(1) it firstly, livestock and poultry feces are put into level-one tube body by the level-one feeding inlet on level-one feeding device 2, then raises
Brid guano dirt enters in grade one filter sleeve 3, and the driving of first class reducer 1 is rotated in level-one helical axis 4, and livestock and poultry feces are in level-one spiral shell
It is filtered under the action of spin axis 4, filtrate is discharged by level-one filter cloth 5, and grade one filter set is discharged using primary effluent mouth 6
Cylinder 3, measuring its solid content is 8%；
(2) when reaching certain pressure, automatically controlled baiting valve is opened, and remaining livestock and poultry feces enter second level by automatically controlled baiting valve 7
Feeding device 9,2-level reducer 8 drive deuterostrophies axis 10 to rotate, and vacuum pump 14 is vacuumized, and livestock and poultry feces are in second level spiral shell
For re-filtering under the action of spin axis 10, filtrate is discharged by secondary filter cloth 15, and second level is discharged using secondary effluent mouth 12
Filter sleeve 11 is discharged solid content 1%；Solid waste is discharged by discharging device 13, and surveying its solid content is 60%.
By test, after the present embodiment is capable of handling 15 tons of livestock and poultry feces, continuous operation 1 month per hour, filter efficiency
It begins to decline, just needs cleaning replacement filter cloth.
Embodiment 3
Certain sewage treatment enterprise, 50 ton/days of sludge yield, moisture content is up to 98%, and sludge volume is big, is unfavorable for subsequent place
Reason.Farm's animal dung sewage is handled using vacuum spiral spin axis bag filter described in embodiment 1:
(1) firstly, sludge is put into level-one tube body by the level-one feeding inlet on level-one feeding device 2, then sludge into
Enter in grade one filter sleeve 3, the driving of first class reducer 1 is rotated in level-one helical axis 4, effect of the sludge in level-one helical axis 4
Under be filtered, filtrate by level-one filter cloth 5 be discharged, using primary effluent mouth 6 be discharged grade one filter sleeve 3, measure it
Solid content is 5%；
(2) when reaching certain pressure, automatically controlled baiting valve is opened, and excess sludge enters second level pan feeding by automatically controlled baiting valve 7
Device 9,2-level reducer 8 drive deuterostrophies axis 10 to rotate, and vacuum pump 14 is vacuumized, and sludge is in deuterostrophies axis 10
For re-filtering under effect, filtrate is discharged by secondary filter cloth 15, and secondary filter set is discharged using secondary effluent mouth 12
Cylinder 11 is discharged solid content 1%；Excess sludge is discharged by discharging device 13, and moisture content is down to 70%.
By test, after the present embodiment is capable of handling 15 tons of sludge, continuous operation 2 months per hour, filter efficiency starts
Decline, just needs cleaning replacement filter cloth.
And certain vertical bag filter, structure only have filter cloth and sleeve, material can only be by primary filtering, filter effect
Difference, filter cake accumulation is serious, and filter cloth must be cleaned and be replaced to continuous operation when week, however, such replacement frequency excessively frequency
Numerous, filter cloth service life substantially reduces.The present invention uses double-filtration, and is equipped with helical axis stirring and scrapes solid, slows down filter cake
It is formed, filter efficiency greatly promotes, and the cycle of operation increases, significant effect.
The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for those skilled in the art
For member, various changes and changes are possible in this application.Within the spirit and principles of this application, it is made it is any modification,
Equivalent replacement, improvement etc., should be included within the scope of protection of this application.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811611721.0A CN109485224B (en) | 2018-12-27 | 2018-12-27 | A vacuum screw shaft bag filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811611721.0A CN109485224B (en) | 2018-12-27 | 2018-12-27 | A vacuum screw shaft bag filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109485224A true CN109485224A (en) | 2019-03-19 |
| CN109485224B CN109485224B (en) | 2020-04-14 |
Family
ID=65712705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811611721.0A Active CN109485224B (en) | 2018-12-27 | 2018-12-27 | A vacuum screw shaft bag filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109485224B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4244287A (en) * | 1979-07-09 | 1981-01-13 | Uop Inc. | Two-stage mechanical dewatering of sewage sludge |
| CN201046362Y (en) * | 2006-09-25 | 2008-04-16 | 王勇 | Full-automatic effluent purification machine |
| CN201284282Y (en) * | 2008-06-10 | 2009-08-05 | 丹东北方环保工程有限公司 | Spiral type two-stage sludge dewatering machine |
| KR20130016492A (en) * | 2011-08-08 | 2013-02-18 | 윤재근 | Apparatus for separating wastewater and sludge |
| JP2015033724A (en) * | 2013-02-07 | 2015-02-19 | 株式会社グリーン技術産業 | Dehydrator |
| CN204569702U (en) * | 2015-04-07 | 2015-08-19 | 东莞市金颢轩环境工程设备科技有限公司 | Double-stage filter type screw compression sludge dewatering machine |
| CN106396331A (en) * | 2016-07-12 | 2017-02-15 | 厦门威迪思汽车设计服务有限公司 | A sludge concentration-dehydration-drying integrated treatment plant and a treating method thereof |
| CN107721118A (en) * | 2017-11-03 | 2018-02-23 | 邱杨舒 | A kind of multistage sludge high effective dehydration device |
| CN207158903U (en) * | 2017-09-14 | 2018-03-30 | 安徽世绿环保科技有限公司 | A kind of glass toughening manure pit hardening dirt disposer of multistage filtering |
| CN107963796A (en) * | 2017-12-15 | 2018-04-27 | 安泰环境工程技术有限公司 | A kind of continous way steel rolling greasy filth pyrolysis charring processing unit and method |
-
2018
- 2018-12-27 CN CN201811611721.0A patent/CN109485224B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4244287A (en) * | 1979-07-09 | 1981-01-13 | Uop Inc. | Two-stage mechanical dewatering of sewage sludge |
| CN201046362Y (en) * | 2006-09-25 | 2008-04-16 | 王勇 | Full-automatic effluent purification machine |
| CN201284282Y (en) * | 2008-06-10 | 2009-08-05 | 丹东北方环保工程有限公司 | Spiral type two-stage sludge dewatering machine |
| KR20130016492A (en) * | 2011-08-08 | 2013-02-18 | 윤재근 | Apparatus for separating wastewater and sludge |
| JP2015033724A (en) * | 2013-02-07 | 2015-02-19 | 株式会社グリーン技術産業 | Dehydrator |
| CN204569702U (en) * | 2015-04-07 | 2015-08-19 | 东莞市金颢轩环境工程设备科技有限公司 | Double-stage filter type screw compression sludge dewatering machine |
| CN106396331A (en) * | 2016-07-12 | 2017-02-15 | 厦门威迪思汽车设计服务有限公司 | A sludge concentration-dehydration-drying integrated treatment plant and a treating method thereof |
| CN207158903U (en) * | 2017-09-14 | 2018-03-30 | 安徽世绿环保科技有限公司 | A kind of glass toughening manure pit hardening dirt disposer of multistage filtering |
| CN107721118A (en) * | 2017-11-03 | 2018-02-23 | 邱杨舒 | A kind of multistage sludge high effective dehydration device |
| CN107963796A (en) * | 2017-12-15 | 2018-04-27 | 安泰环境工程技术有限公司 | A kind of continous way steel rolling greasy filth pyrolysis charring processing unit and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109485224B (en) | 2020-04-14 |
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