CN105833594A - Self-cleaning continuous filtering machine - Google Patents
Self-cleaning continuous filtering machine Download PDFInfo
- Publication number
- CN105833594A CN105833594A CN201610312054.0A CN201610312054A CN105833594A CN 105833594 A CN105833594 A CN 105833594A CN 201610312054 A CN201610312054 A CN 201610312054A CN 105833594 A CN105833594 A CN 105833594A
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- Prior art keywords
- rotary drum
- filter
- self
- valve
- control chamber
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/06—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums
- B01D33/067—Construction of the filtering drums, e.g. mounting or sealing arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/44—Regenerating the filter material in the filter
- B01D33/46—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/80—Accessories
- B01D33/804—Accessories integrally combined with devices for controlling the filtration
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a self-cleaning continuous filtering machine. The self-cleaning continuous filtering machine is characterized in that two filtering rotating drums are parallel to each other and arranged in a tangent mode, main bodies of the filtering rotating drums are rotating drum frameworks, filter screens are arranged on the outer sides of the drum frameworks in a sleeving mode, end shafts and end pipes penetrate through sealing end plates and shaft seals in sequence and are supported on bearing supports, the end pipes of the filtering rotating drums are provided with desilting control valves, the outer ends of the end shafts are connected with rotating drum driving mechanisms, the sealing end plates are arranged on the inner sides of the ends of an upper shell and a lower shell, and the shaft seals are fixed to openings in the ends of the upper shell and the lower shell; the upper end of the upper shell is provided with a liquid outlet, the lower shell is supported on a base, the bottom end is connected with a sludge discharging pipe and a sludge discharging control valve in sequence, the two sides of the bottom are connected with feed manifolds, and the ends of the feed manifolds are provided with feed control valves and feed pressure sensors; a hydraulic station is mounted on the lower portion of the base and connected with the rotating drum driving mechanisms through a main oil pipe, and a control box is arranged on one side of the corresponding rotating drum driving mechanism at the end of the lower shell. The self-cleaning continuous filtering machine is high in self cleaning capacity, large in processing quantity, capable of achieving continuous filtering and suitable for multiple types of solid-liquid filtering and separating work conditions.
Description
Technical field
The present invention relates to a kind of self-cleaning continuous filter, particularly relate to a kind of self-cleaning for solid-liquid separation and filter continuously
Machine.
Background technology
Filtration is solid-liquid separation method conventional in commercial production, for processing the suspension containing solid phase, fluid in filter process
In bigger solid be delayed at filter medium side formed filter cake, filter opening is blocked, filtration resistance increase.When filter cake is accumulated
During to certain thickness, it is necessary to mechanical curettage, or backwash, filter process is that interval is carried out mostly.Patent
ZL201310680339.6 proposes a kind of band type drum filter, needs to remove filtering residue with scraper.Patent
ZL201410349637.1 proposes a kind of backwash twinfilter, is controlled the work of two filters by State Transferring valve
State, during backwash, original emulsion is filtered by one filter, utilizes the cleaning emulsion after filtering to another filter
It is carried out, specific to each filter or discontinuous operation.Patent ZL201210540611.6 proposes a kind of the most clear
Washed filter, utilizes flowing with pressure of intaking that curved baffle applies thrust, drives scroll-up/down mechanism around cylinder inboard wall and filter element
Move in a circle between drum outer wall, thus the outside wall surface of filter core cylinder is carried out by band electric brush, will be attached to filter core cylinder surface
Dirt clean out, but filter process or unidirectional, hairbrush is simply removed the filtering residue of filter screen outer surface, still can not
Remove the granule embedding sieve aperture.In a word, backwash filter needs discontinuous operation, unidirectional filtration to eventually result in filtration resistance mistake
Greatly, energy consumption is increased, it is impossible to realize continuous, constant pressure filtration.
Summary of the invention
Present invention aims to the deficiency of existing filter, it is provided that one can automatically cleaning filter screen, do not increasing filtration
In the case of resistance, it is achieved filtration operation continuously, keep larger process amount, and simplify attended operation.
For reaching above technical purpose, the present invention provides techniques below scheme:
The present invention include filter rotary drum, lining, upper shell, lower house, Seal end plate, rotary drum drive mechanism, bearing spider,
Axle envelope, feed manifold, leakage fluid dram, scum pipe, base, Hydraulic Station, control chamber, slagging coutrol valve, desilting control valve,
Inlet control valve, feed pressure sensor, main oil pipe, it is characterised in that: two parallel arranged tangential of filtration rotary drum, it is loaded on
In upper shell and lower house, inside upper shell, lower house in fitted lining, tangent with filtration rotary drum inside lining；Filter rotary drum bag
Including end axle, rotary drum skeleton, filter screen, end pipe, filtering rotary drum main body is rotary drum skeleton, and filter screen is placed on outside rotary drum skeleton, turns
Tympanic bone frame one end connects end axle, and the other end connects end pipe, end pipe outer end dress desilting control valve, and end axle outer end connects rotary drum and drives
Mechanism, end axle and end Guan Jun sequentially pass through Seal end plate, axle envelope be supported on bearing spider, Seal end plate be loaded on upper shell and
Lower house tip inside, axle sealing schedules upper shell, lower house end tapping；Hydraulic Station is installed on base bottom, passes through
Main oil pipe is connected with rotary drum drive mechanism, and control chamber is installed on rotary drum drive mechanism side, lower house end；Upper shell upper end is
Leakage fluid dram, lower house is supported on base, and lower house bottom is sequentially connected with scum pipe and slagging coutrol valve, and two bottom sides connects
Feed manifold, feed manifold is installed inlet control valve and feed pressure sensor.
Described rotary drum drive mechanism include ratchet, drive ratchet, driving handle, hydraulic cylinder, intelligent reversing valve, check pawl,
Oil distributing pipe, key and support, ratchet is connected with end axle by key, and driving handle is enclosed within end axle outer end, and middle part is installed and driven ratchet,
End is hinged with hydraulic cylinder, and the hydraulic cylinder other end is articulated with on support, and check pawl is installed in support bottom；Hydraulic cylinder is by dividing
Oil pipe is connected with intelligent reversing valve, and intelligent reversing valve connects Hydraulic Station by main oil pipe.
Described rotary drum skeleton is porous framework structure, and has elasticity.
Described filter screen is tubular construction.
During work, control chamber sends instruction, and Hydraulic Station is intelligent reversing valve fuel feeding by main oil pipe, and the hydraulic cylinder of side is reciprocal
Motion, drives driving handle to swing, and driving handle is by driving ratchet driving pawl to laterally rotate, and check pawl is possible to prevent spine
Wheel reversion；The hydraulic cylinder of both sides can move successively, it is ensured that filters rotary drum consecutive rotations.Under the instruction of control chamber, deslagging
Control valve and desilting control valve can open and close in good time.
Set according to material properties before starting and strike off the interval time of screen surface filtering residue, slag discharge room interval, slagging coutrol valve
Opening time, desilting control valve opening time and maximum feed pressure.
Control chamber sends instruction, and inlet control valve is opened, and material is entered by feed manifold and filters chamber below rotary drum, flows through
Filtering rotary drum upper and lower filter, the material that particle diameter is bigger is trapped within rotary drum bottom screen surface；Filtration operation is set through one
Between, filter rotary drum and be turned out 180 ° successively, be trapped within the filtering residue filtering drum surface and struck off by another filtration rotary drum,
And realizing reverse filtration, automatically cleaning filter screen, cake deposition is in scum pipe；When setting the time to another, filtering residue is at deslagging
Accumulation certain altitude in pipe, residual cake valve is opened, and gets rid of filtering residue, is then shut off；When filtration resistance is more than certain value, charging pressure
Force transducer value of feedback is more than maximum feed pressure set points, and desilting control valve is opened, and in filtering rotary drum, drift is through desilting control
Valve processed flows back to charging；In various operating process, filtration operation is not stopped；Receiving and cease and desist order, filtration operation stops.
Compared with existing filter, the present invention has the advantage that and solves filter cake blocking filter screen perforate and cause filtering
The problem that resistance increases, energy consumption strengthens；By automatically cleaning, eliminate backwashing system, it is achieved that filter production continuously.And
And the self-cleaning continuous filter novel structure that the present invention provides, moving component rotating speed is low, dependable performance, and self-cleaning ability is strong,
Treating capacity is big, and material adaptability is good, and service life is long, is applicable to multiple solid-liquid filtration separation operating mode.
Accompanying drawing explanation
Accompanying drawing 1 is based on the positive view of self-cleaning continuous filter proposed by the invention.
Accompanying drawing 2 is based on the sectional view of bowing of self-cleaning continuous filter proposed by the invention.
Accompanying drawing 3 is based on the left view of self-cleaning continuous filter proposed by the invention.
Accompanying drawing 4 is based on self-cleaning continuous filter proposed by the invention and bows the A direction view of sectional view Fig. 2.
Accompanying drawing 5 is based on self-cleaning continuous filter proposed by the invention and bows the B direction view of sectional view Fig. 2.
Accompanying drawing 6 is based on the structural representation filtering rotary drum of self-cleaning continuous filter proposed by the invention.
Accompanying drawing 7 is based on the rotary drum drive mechanism schematic diagram of self-cleaning continuous filter proposed by the invention.
Accompanying drawing 8 is based on the operation flow chart of self-cleaning continuous filter proposed by the invention.
Detailed description of the invention:
With reference to the accompanying drawings, make to describe furtherly:
According to the present invention, as shown in Fig. 1～5, wherein 1 be leakage fluid dram, 2 be upper shell, 3 be lining, 4 be filter turn
Drum, 5 be lower house, 6 be feed manifold, 7 be scum pipe, 8 be slagging coutrol valve, 9 be base, 10 be Hydraulic Station,
11 be rotary drum drive mechanism, 12 be bearing spider, 13 be axle envelope, 14 be Seal end plate, 15 be desilting control valve, 16
Being control chamber, 17 be main oil pipe, 18 is inlet control valve, and 19 is feed pressure sensor.
Filter rotary drum 4 as shown in Figure 6, wherein 4.1 be end axle, 4.2 be rotary drum skeleton, 4.3 be filter screen, 4.4 be end pipe.
Rotary drum drive mechanism 11 as it is shown in fig. 7,11.1 be ratchet, 11.2 be drive ratchet, 11.3 be driving handle, 11.4
It is hydraulic cylinder, 11.5 is oil distributing pipe, 11.6 is intelligent reversing valve, 11.7 is support, 11.8 is check pawl, 11.9 is key.
Self-cleaning continuous filter as shown in Fig. 1～Fig. 7, including filtering rotary drum 4, lining 3, upper shell 2, lower house
5, Seal end plate 14, rotary drum drive mechanism 11, bearing spider 12, axle envelope 13, feed manifold 6, leakage fluid dram 1, deslagging
Pipe 7, base 9, Hydraulic Station 10, control chamber 16, slagging coutrol valve 8, desilting control valve 15, inlet control valve 18, enter
Material pressure transducer 19, main oil pipe 17, it is characterised in that: two parallel arranged tangential of filtration rotary drum 4, be loaded on upper shell 2,
Lower house 5 is internal, inside upper shell 2, lower house 5 in fitted lining 3, with to filter rotary drum 4 tangent inside lining 3；Filter
Rotary drum 4 includes holding axle 4.1, rotary drum skeleton 4.2, filter screen 4.3, end pipe 4.4, and rotary drum skeleton 4.2 is the master filtering rotary drum 4
Body, filter screen 4.3 is tubular construction, and filter screen 4.3 is placed on outside rotary drum skeleton 4.2, and rotary drum skeleton 4.2 is resilient many for tool
Hole frame structure, rotary drum skeleton 4.2 one end connects end axle 4.1, and the other end connects end pipe 4.4, the dress desilting of end pipe 4.4 outer end
Control valve 15, end axle 4.1 outer end connects rotary drum drive mechanism 11, end axle 4.1 and end pipe 4.4 and all sequentially passes through Seal end plate
14, axle envelope 13 is supported on bearing spider 12, and Seal end plate 14 is loaded on upper shell 2 and lower house 5 tip inside, axle
Envelope 13 is fixed on upper shell 2, lower house 5 end tapping；Upper shell 2 upper end is leakage fluid dram 1, and lower house 5 is supported in
On base 9, lower house 5 bottom is sequentially connected with scum pipe 7 and slagging coutrol valve 8, and two bottom sides connects feed manifold 6,
Inlet control valve 18 and feed pressure sensor 19 are installed on feed manifold 6；Hydraulic Station 10 is installed on base 9 bottom, logical
Crossing main oil pipe 17 to be connected with rotary drum drive mechanism 11, control chamber 16 is installed on lower house 5 end rotary drum drive mechanism 11
Side.
Described rotary drum drive mechanism 11 include ratchet 11.1, drive ratchet 11.2, driving handle 11.3, hydraulic cylinder 11.4,
Oil distributing pipe 11.5, intelligent reversing valve 11.6, check pawl 11.8, key 11.9 and support 11.7, ratchet 11.1 is by key 11.9
Being connected with end axle 4.1 end, driving handle 11.3 is enclosed within end axle 4.1 outer end, installs and drive ratchet 11.2 in the middle part of driving handle 11.3,
Driving handle 11.3 end is hinged with hydraulic cylinder 11.4, and hydraulic cylinder 11.4 other end is articulated with on support 11.7, support 11.7 times
Check pawl 11.8 is installed in portion；Hydraulic cylinder 11.4 is connected with intelligent reversing valve 11.6 by oil distributing pipe 11.5, intelligent reversing valve
11.6 connect Hydraulic Station 10 by main oil pipe 17.
Normal operating procedure is shown in Fig. 8, as following:
During work, control chamber 16 sends instruction, and Hydraulic Station 10 is intelligent reversing valve 11.6 fuel feeding by main oil pipe 17, side
Hydraulic cylinder 11.4 move back and forth, drive driving handle 11.3 swing, by drive ratchet 11.2 driving pawl 11.1 laterally
Rotating, check pawl 11.8 is possible to prevent ratchet 11.1 to invert；The hydraulic cylinder 11.4 of both sides can move successively.Controlling
Under the instruction of case 16, slagging coutrol valve 8 and desilting control valve 15 can open and close in good time.
Setting job parameter T10, T20, T30, T40, P0 according to material properties before starting, T10 is for striking off filter screen 4.3
The interval time of surface filtering residue, T20 is the slag discharge room interval, and T30 is slagging coutrol valve 8 opening time, and T40 is desilting
Control valve 15 opening time, P0 is maximum feed pressure；Strike off T10 interval time of filter screen 4.3 surface filtering residue, slag discharge room
Interval T20 determines according to material solid concentration, material energy proper flow, during the shorter interval of the higher employing of material solid concentration
Between, the relatively low employing of material solid concentration longer interval time, T10=2～8min, T20=(2～7) * T10；Letting cinder control
Valve 8 opening time T30, desilting control valve 15 opening time T40 determine according to discharge situation, tentatively arrange T30=5s,
T40=is 5s, is modified according to drain amount, and drain amount is big, then reduce the time；Maximum feed pressure P0 takes
Certainly in the intensity and the economy of filtration operation, P0=0.3～1.2MPa that filter rotary drum 4.The present embodiment material is oil-cut mud,
Material solid concentration is relatively low, arranges: T10=5min, T20=20min, T30=2s, T40=3s, P0=0.4MPa.
Operating procedure is:
(1) startup order received by control chamber 16, sends instruction immediately, and inlet control valve 18 is opened, and material is by charging
Manifold 6 enters and filters rotary drum 4 chamber below, and filtration operation starts, and flows through the filter screen 4.3 filtering rotary drum 4, and particle diameter is bigger
Solid material be trapped within filtration rotary drum 4 bottom filter screen 4.3 lower surface, control chamber 16 starts timing, and T1, T2 are from 0
Start to increase.
(2) control chamber 16 judges that time T1, whether more than T10, if "No", then continues to filter, and the time increases；
If "Yes", control chamber 16 sends instruction, and the filtration rotary drum 4 of left and right is turned out 180 ° successively, i.e. the mistake on the left side
Filter rotary drum is first turned out 180 °, and then the filtration rotary drum on the right is turned out 180 ° again；Velocity of rotation is 0.5～3rpm,
It is trapped material on one filtration rotary drum 4 surface to be struck off by another filtration rotary drum 4, it is achieved filter screen 4.3 automatically cleaning, and realizes inverse
To filtration, cake deposition is in scum pipe 7, but material uninterruptedly enters filtration rotary drum 4 chamber below, continues to filter.
(3) control chamber 16 judges whether time T2 is more than T20, and if "No", then T1 is set to 0, continues to filter；
If "Yes", control chamber 16 sends instruction, and residual cake valve 8 is opened the T30 time, is then shut off, and gets rid of filtering residue；But
Material uninterruptedly enters filtration rotary drum 4 chamber below, and filter process is carried out always.
(4) control chamber 16 judges whether feed pressure P is more than maximum feed pressure P0, and if "No", then T2 puts
It is 0, continues to filter；If "Yes", then desilting control valve 15 opens the T40 time, is then shut off, and filters rotary drum 4
Inside accretions is discharged, and flows back to charging；But material uninterruptedly enters filtration rotary drum 4 chamber below, and filter process is carried out always.
(5) control chamber 16 judges whether to receive and ceases and desist order, and if "No", then continues to filter, repeats step (2)
-(4)；If "Yes", then inlet control valve 18 closes, and closes, shut down after slagging coutrol valve opening time T30.
The present invention provide self-cleaning continuous filter, solve filter cake blocking filter screen perforate and cause energy consumption strengthen and can not
The problem filtering production continuously, and novel structure, self-cleaning ability is strong, and treating capacity is big, and service life is long, material adaptability
Good.
Claims (6)
1. a self-cleaning continuous filter, it is characterised in that: include filtering rotary drum, lining, upper casing
Body, lower house, Seal end plate, rotary drum drive mechanism, bearing spider, axle envelope, feed manifold, leakage fluid dram,
Scum pipe, base, Hydraulic Station, control chamber, slagging coutrol valve, desilting control valve, inlet control valve, charging
Pressure transducer and main oil pipe, two parallel arranged tangential of filtration rotary drum, be loaded on the upper shell in interior stickers lining, under
In housing, tangent with filtration rotary drum inside lining；Filtering rotary drum main body is rotary drum skeleton, and one end connects end axle,
The other end connects end pipe, and filter screen is placed on outside rotary drum skeleton, and end axle and end Guan Jun sequentially pass through Seal end plate, axle
Envelope is supported on bearing spider, filters and fills desilting control valve on the end pipe of rotary drum, and end axle outer end connects rotary drum and drives
Mechanism, Seal end plate is loaded on upper shell and lower house tip inside, and axle sealing schedules upper shell, lower house end
Tapping；Upper shell upper end is leakage fluid dram, and lower house is supported on base, and bottom is sequentially connected with scum pipe and row
Slag control valve, two bottom sides connects feed manifold, and inlet control valve is installed in feed manifold end and feed pressure passes
Sensor；Hydraulic Station is installed on base bottom, is connected with rotary drum drive mechanism by main oil pipe, and control chamber is installed on
Rotary drum drive mechanism side, lower house end.
Self-cleaning continuous filter the most according to claim 1, it is characterised in that: described turns
Drum drive mechanism includes ratchet, driving ratchet, driving handle, hydraulic cylinder, intelligent reversing valve, check pawl, divides
Oil pipe, key and support, ratchet is connected with end axle by key, and driving handle is enclosed within end axle outer end, and middle part is installed and driven
Ratchet, end is hinged with hydraulic cylinder, and the hydraulic cylinder other end is articulated with on support, and check pawl is installed in support bottom；
Hydraulic cylinder connects intelligent reversing valve by oil distributing pipe, and intelligent reversing valve is connected with Hydraulic Station by main oil pipe.
Self-cleaning continuous filter the most according to claim 1, it is characterised in that: described turns
Tympanic bone frame is porous framework structure.
Self-cleaning continuous filter the most according to claim 1, it is characterised in that: described filter
Net cylindrical in shape.
5. the method for application self-cleaning continuous filter described in claim 1, it is characterised in that:
During work, control chamber sends instruction, and Hydraulic Station is intelligent reversing valve fuel feeding by main oil pipe, the hydraulic pressure of side
Cylinder moves back and forth, and drives driving handle to swing, by driving ratchet driving pawl to laterally rotate, and non-return spine
Pawl prevents ratchet from inverting；The hydraulic cylinder of both sides moves successively.Under the instruction of control chamber, slagging coutrol valve
Open and close with desilting control valve.
6. the method for application self-cleaning continuous filter described in claim 1, it is characterised in that:
Setting job parameter T10, T20, T30, T40, P0 before starting, T10 is for striking off filter screen 4.3 surface
The interval time of filtering residue, T20 is the slag discharge room interval, and T30 is slagging coutrol valve 8 opening time, T40
For desilting control valve 15 opening time, P0 is maximum feed pressure；
Operating procedure is:
(1) startup order received by control chamber, sends instruction immediately, and inlet control valve is opened, and material leads to
Crossing feed manifold and enter chamber below filtration rotary drum, filtration operation starts, and flows through the filter screen filtering rotary drum,
The solid material that particle diameter is bigger is trapped within filtration rotary drum bottom filter screen lower surface, and control chamber starts timing,
T1, T2 start to increase from 0；
(2) control chamber judges that time T1, whether more than T10, if "No", then continues to filter,
Time increases；If "Yes", control chamber sends instruction, and the filtration rotary drum of left and right is turned out successively
180 °, velocity of rotation is 0.5～3rpm, is trapped material and is struck off by another filtration rotary drum, it is achieved filter screen
Automatically cleaning, cake deposition is in scum pipe, but material uninterruptedly enters chamber below filter rotary drum, continues
Filter；
(3) control chamber judges whether time T2 is more than T20, and if "No", then T1 is set to 0,
Continue to filter；If "Yes", control chamber sends instruction, and the T30 time opened by residual cake valve, then closes
Close, get rid of filtering residue；But material uninterruptedly enters chamber below filtration rotary drum, and filter process is carried out always；
(4) control chamber judges whether feed pressure P is more than maximum feed pressure P0, if "No",
Then T2 is set to 0, continues to filter；If "Yes", then desilting control valve is opened the T40 time, then
Close, filter rotary drum inside accretions and discharge, flow back to charging；But material uninterruptedly enters under filtration rotary drum
Face chamber, filter process is carried out always；
(5) control chamber judges whether to receive and ceases and desist order, and if "No", then continues to filter, repeats
Step (2)-(4)；If "Yes", then inlet control valve closes, slagging coutrol valve opening time T30
Rear closedown, shuts down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610312054.0A CN105833594B (en) | 2016-05-12 | 2016-05-12 | A kind of self-cleaning continuous filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610312054.0A CN105833594B (en) | 2016-05-12 | 2016-05-12 | A kind of self-cleaning continuous filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105833594A true CN105833594A (en) | 2016-08-10 |
| CN105833594B CN105833594B (en) | 2017-10-27 |
Family
ID=56592194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610312054.0A Expired - Fee Related CN105833594B (en) | 2016-05-12 | 2016-05-12 | A kind of self-cleaning continuous filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105833594B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106915784A (en) * | 2017-04-24 | 2017-07-04 | 天津机电职业技术学院 | Horizontal liquid dung solid-liquid rough segmentation is disembarked |
| CN107875720A (en) * | 2017-12-08 | 2018-04-06 | 宁波清智环保科技有限公司 | Sewage treatment unit |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2590639Y (en) * | 2003-01-05 | 2003-12-10 | 王歆 | Automatic pollution removing water filtering device |
| WO2009075641A1 (en) * | 2007-12-13 | 2009-06-18 | Metso Paper, Inc. | An apparatus for washing and dewatering pulp |
| CN203238057U (en) * | 2013-04-28 | 2013-10-16 | 上海东方泵业(集团)有限公司 | Crushing-type grille cleaner |
| CN103638732A (en) * | 2013-12-16 | 2014-03-19 | 丹东东方机电工程有限公司 | Band type drum filter |
| CN104069673A (en) * | 2014-07-22 | 2014-10-01 | 长治市永华机械有限公司 | Back washing double filters |
-
2016
- 2016-05-12 CN CN201610312054.0A patent/CN105833594B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2590639Y (en) * | 2003-01-05 | 2003-12-10 | 王歆 | Automatic pollution removing water filtering device |
| WO2009075641A1 (en) * | 2007-12-13 | 2009-06-18 | Metso Paper, Inc. | An apparatus for washing and dewatering pulp |
| CN203238057U (en) * | 2013-04-28 | 2013-10-16 | 上海东方泵业(集团)有限公司 | Crushing-type grille cleaner |
| CN103638732A (en) * | 2013-12-16 | 2014-03-19 | 丹东东方机电工程有限公司 | Band type drum filter |
| CN104069673A (en) * | 2014-07-22 | 2014-10-01 | 长治市永华机械有限公司 | Back washing double filters |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106915784A (en) * | 2017-04-24 | 2017-07-04 | 天津机电职业技术学院 | Horizontal liquid dung solid-liquid rough segmentation is disembarked |
| CN107875720A (en) * | 2017-12-08 | 2018-04-06 | 宁波清智环保科技有限公司 | Sewage treatment unit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105833594B (en) | 2017-10-27 |
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