CN101530685A - Composite slag filtering and pressing device - Google Patents
Composite slag filtering and pressing device Download PDFInfo
- Publication number
- CN101530685A CN101530685A CN200910119606A CN200910119606A CN101530685A CN 101530685 A CN101530685 A CN 101530685A CN 200910119606 A CN200910119606 A CN 200910119606A CN 200910119606 A CN200910119606 A CN 200910119606A CN 101530685 A CN101530685 A CN 101530685A
- Authority
- CN
- China
- Prior art keywords
- filter
- oil
- slag
- chamber
- pressure
- 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.)
- Granted
Links
- 239000002893 slag Substances 0.000 title claims abstract description 98
- 238000001914 filtration Methods 0.000 title abstract description 24
- 239000002131 composite material Substances 0.000 title abstract description 3
- 239000004744 fabric Substances 0.000 claims description 36
- 150000001875 compounds Chemical class 0.000 claims description 19
- 230000007246 mechanism Effects 0.000 claims description 13
- 230000008878 coupling Effects 0.000 claims description 10
- 238000010168 coupling process Methods 0.000 claims description 10
- 238000005859 coupling reaction Methods 0.000 claims description 10
- 238000012856 packing Methods 0.000 claims description 8
- 235000011389 fruit/vegetable juice Nutrition 0.000 claims description 7
- 238000010276 construction Methods 0.000 claims description 3
- 230000007423 decrease Effects 0.000 claims description 3
- 230000003247 decreasing effect Effects 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000005406 washing Methods 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract 2
- 238000005056 compaction Methods 0.000 abstract 1
- 238000010079 rubber tapping Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 93
- 239000010779 crude oil Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 208000037805 labour Diseases 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 210000000038 chest Anatomy 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000003467 diminishing effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003828 vacuum filtration Methods 0.000 description 1
Images
Landscapes
- Filtration Of Liquid (AREA)
Abstract
A composite slag filtering and pressing device comprises a swinging vane oil filter and a spiral slag pressing machine which are arranged on a frame, wherein the swinging vane oil filter is arranged above the spiral slag pressing machine, the swinging vane oil filter and the spiral slag pressing machine share a same main shaft, and a filtering chamber of the swinging vane oil filter is communicated with a slag pressing chamber of the spiral slag pressing machine. The device has high filtering ratio, low energy consumption, and simple operation and maintenance, not only avoids oil gas loss of a vacuum oil filter, slow filtering speed and bad filtering precision, but also avoids heavy manual labor such as frequent opening, slag tapping, filtration medium washing, closing and filtration frame compaction of a plate filter, as well as avoids disadvantage of high oil content of the swinging vane oil filter. The device has high filtering ratio, low energy consumption, simple operation and maintenance, and is suitable for popularization and application.
Description
Technical field
The present invention relates to a kind of crude oil treatment facility of oil, particularly relate to a kind of compound filter, press slag equipment, the filtration, the pressure slag that are used for crude oil are purified.
Background technology
The purification of oil and purification processes be the step through filtering mostly, and the filter that often has has vacuum filter and flame filter press.
Vacuum oil-filter is made up of several big parts such as heating, filtration, vacuum, condensation, absorption regenerations; Oil after vacuum filter will atomize dewaters, outgases under vacuum state, the various trickle solid impurities of cleaner energy filtering, simultaneously special reproducing adsorbent can remove the chemical residual thing in deoiling, but most of vacuum filtration chances cause the oil gas loss, its rate of filtration is slow, and filtering accuracy is poor.
Flame filter press mostly is made up of filter assemblies and fluid conveying device, and filter assemblies comprises filter cloth, oil strain plate, dividing plate, pressure strip, and during work, crude oil enters oil-in chamber from the oil-in on the dividing plate, and the oil-out on the oil strain plate compiles draws; The flame filter press trouble of slagging tap needs the frequent frame of opening, the washing and filtering medium, and it closes frame, presses manual labors such as perpendicular filter frame too much in addition, and it is not very convenient using.
In recent years the vane oil filter of Chu Xianing because high efficiency and easy to maintenance, relatively be suitable for but this machine has been slagged tap the big one-tenth of the oil content disadvantage that is difficult to solve.
Therefore it is clean to say that existing various filter does not all reach oil strain, slags tap the effect that the oil content of slagging tap is low automatically.
Summary of the invention
The objective of the invention is at existing problem, propose a kind of compound filter, press slag equipment.This equipment filtering velocity rate height, it is low to consume energy, and operation is safeguarded simple.It not only avoids the oil gas loss of vacuum oil-filter, and the rate of filtration is slow, the disadvantage of filtering accuracy difference; Avoided again simultaneously that flame filter press is frequently opened frame, slagged tap, the washing and filtering medium, closed frame, press heavy manual labors such as hard filter frame; The big disadvantage of slag oil content of also having avoided the vane oil filter to go out.
Content of the present invention is: a kind of compound filter, pressure slag equipment, comprise rack-mounted vane oil filter and spiral pressure slag machine, described oil filter top is provided with high-pressure oil pump, this high-pressure oil pump is communicated to the filter chamber of described oil filter inside by oil pipe, it is characterized in that: described vane oil filter is installed in the top that spiral is pressed the slag machine, described vane oil filter and spiral are pressed the shared main shaft of slag machine, and the filter chamber of described vane oil filter presses the pressure slag chamber of slag machine to be communicated with spiral; Described oil filter body by a plurality of band edges that are superimposed fixedly filter plate form, there is a circular hole at each filter plate middle part, the cavity that forms between the filter plate is a filter chamber, in each filter chamber, be provided with propeller runner, the middle part of each propeller runner is fixed on by key on the main shaft of this equipment, and described main shaft passes the circular hole at each filter plate middle part; Be communicated with by the annular gap between main shaft and the filter plate between the multistage up and down filter chamber; Described spiral presses the pressure slag chamber of slag machine to be connected afterbody filter chamber bottom, is equipped with on one section main shaft in pressing the slag chamber to press the slag spiral shell.
Be provided with the compound seal packing ring between the step edge of described adjacent fixedly filter plate, the outside, cross section of this packing ring be a circle, and the inboard is opening " V " shape inwardly.
The surface of described fixedly filter plate has crisscross oil groove, is provided with the absolute oil outlet in the side of filter plate, and oil groove is communicated with the absolute oil outlet.
The surface of described fixedly filter plate is covered with filter cloth; These filter cloth central authorities be provided with filter plate on corresponding circular hole, central circular hole and external edge at filter cloth are bonded with the glue-line edge along being provided with, the glue-line edge in the outside and the step edge of filter plate coupling, inboard glue-line edge and filter plate middle part circular hole coupling, between the filter cloth of the two sides of same filter plate, form the absolute oil chamber, between relative filter cloth, form filter chamber.
The two sides is equipped with the scraper that rule is arranged on the described propeller runner, and scraper is at least row; The circumference of scraper and propeller runner has certain slanted angle, the direction of rotation coupling of scraper incline direction and propeller runner.
The pitch of described pressure slag spiral shell is successively decreased from top to bottom gradually, presses the helicla flute degree of depth of slag spiral shell to successively decrease gradually from top to bottom; Described press for extracting juice is set with fuel-displaced circle outside the chamber, and going out scraper ring has special construction can make the oil of pressing the slag spiral shell to extrude be back to the oil strain chamber.
The sidepiece in described pressure slag chamber is provided with slag notch, and the slag notch place is provided with and transfers cake mechanism, transfers the end of cake mechanism to be provided with the taper plug that mates with this slag notch, and this plug can insert slag notch.
Above the first order of described filter chamber Pressure gauge is installed, on the oil pipe that described high-pressure oil pump connects overpressure protection mechanism is installed.
Beneficial effect of the present invention
1, filters the characteristics and the function of oil press and spiral pressure slag machine in conjunction with vane
This compound filter, the dynamic vane filter of having pressed the slag equipment complex and spiral are pressed the structure and the performance of slag machine, crude oil is directly entered after filtration, and spiral is pressed the squeezing of slag machine, and the oil that has not filtered is squeezed out, improve oil-filtering rate, significantly reduced the oil content in the dregs of fat.
2, slag tap automatically, the dregs of fat are residual less in the equipment
Because the impeller two sides is equipped with the scraper of row or the arrangement of several row rule, between scraper and the filter cloth certain clearance is arranged, the circumference of (each) scraper and propeller runner has certain slanted angle, the incline direction of scraper and the direction of rotation of propeller runner coupling, when main axis rotation, impeller drives the scraper rotation, the dregs of fat on filter plate surface in the filter chamber are progressively advanced to the circular hole at center filter plate middle part, the dregs of fat enter the next stage filter chamber through this circular hole, avoided the dregs of fat on filter cloth, to accumulate, improve the penetrating ability of filter cloth, improve oil yield.
3, be provided with the compound seal packing ring between the step edge of adjacent fixedly filter plate, it has the advantage of degree of lip-rounding sealing ring and y-shaped ring concurrently, and prolong service life greatly.
4, be bonded with the glue-line edge at the central circular hole of filter cloth and external edge along being provided with, after the respective outer side edges of filter plate, can reach isolated filter chamber and absolute oil chamber purpose, make the oil of oil-out cleaner, the dregs of fat still less.
5, the root diameter of described pressure slag spiral shell increases little gradually, the helicla flute degree of depth is shallow by being deep to, pressing the slag spiral shell and pressing the vacant volume between the slag thorax is diminishing shape, from being fed to slag notch, under the situation of pressing the slag spiral to change, the volume that it comprised can constantly diminish, going out scraper ring has special construction that the oil of pressing the slag spiral shell to extrude is back in the filter chamber, the dregs of fat then continue to the slag notch motion along the groove of pressing the slag spiral shell, thereby improve oil yield, further reduce the oil content of slagging tap.
6, be provided with accent cake mechanism at the slag notch place, utilize this to transfer cake mechanism can regulate the size of oil strain pressure in the filter chamber, thereby adapt to the size of dregginess in different oil kinds and the oil.
When 7, the propeller runner scraper that is blocked up by slag when filter cloth can not well filter, this moment, the pressure in the filter chamber can become greatly, will have shownly on the Pressure gauge on first order filter chamber, and prompting needs to change filter cloth or cleaning filter cloth.
Description of drawings
Fig. 1 is this compound filter, the structural representation of pressing slag equipment
Fig. 2 overlooks the structure for amplifying schematic diagram for the cross-sectional view and the part thereof of filter plate among Fig. 1
Fig. 3 is the structural representation of described filter cloth
Fig. 4 is the Facad structure schematic diagram of propeller runner
Fig. 5 is the structure schematic diagram of propeller runner
Fig. 6 is the cross-sectional structure schematic diagram of described composite sealing ring
Fig. 7 is the structural representation of described pressure slag spiral shell
Fig. 8 is the described structural representation that goes out scraper ring
Fig. 9 is the A-A cutaway view of Fig. 8
The specific embodiment
Embodiment: referring to Figure of description 1-Fig. 9,1-crude oil inlet, 2-overpressure protection mechanism, 3-oil pipe, 4-main shaft, 5-Pressure gauge, 6-scraper, 7-filter cloth, 8-go out scraper ring among the figure, 9-presses slag spiral shell, 10-to press slag chamber, 11-slag notch, 12-taper plug, 13-to transfer cake mechanism, the outlet of 14-absolute oil, 15-fixedly filter plate, 16-propeller runner, 17-filter chamber, the outlet of 18-absolute oil, 19-high-pressure oil pump, 20-compound seal packing ring.
A kind of compound filter among the figure, pressure slag equipment, comprise rack-mounted vane oil filter and spiral pressure slag machine, described oil filter top is provided with high-pressure oil pump 19, this high-pressure oil pump 19 is communicated to the filter chamber 17 of described oil filter inside by oil pipe 3, described vane oil filter is installed in the top that spiral is pressed the slag machine, described vane oil filter and spiral are pressed the shared main shaft 4 of slag machine, and the filter chamber 17 of described vane oil filter presses the pressure slag chamber 10 of slag machine to be communicated with spiral; Described oil filter body by a plurality of band edge 15-3 that are superimposed fixedly filter plate 15 form, there is a circular hole 15-1 at each filter plate 15 middle part, the cavity that forms between the filter plate 15 is a filter chamber 17, in each filter chamber 17, be provided with propeller runner 16, the middle part of each propeller runner 16 is fixed on by key on the main shaft 4 of this equipment, and described main shaft 4 passes the circular hole at each filter plate 15 middle part; Be communicated with by the annular gap between main shaft 4 and the filter plate 15 between the multistage up and down filter chamber 17; The pressure slag chamber 10 of described spiral oil filter is connected afterbody filter chamber bottom, is equipped with on one section main shaft 4 in pressing slag chamber 10 to press slag spiral shell 9.Be provided with compound seal packing ring 20 between the step edge of described adjacent fixedly filter plate 15, the outside, the cross section 20-1 of this packing ring 20 be a circle, and inboard 20-2 is opening " V " shape inwardly.The surface of described fixedly filter plate 15 has crisscross oil groove 15-2, is provided with absolute oil outlet 18 in the side of filter plate 15, and oil groove 15-2 is communicated with absolute oil outlet 18.The surface of described fixedly filter plate 15 is covered with filter cloth 7; These filter cloth 7 central authorities be provided with filter plate 15 on corresponding circular hole 7-3, central circular hole 7-3 and external edge at filter 7 cloth are bonded with glue-line edge 7-1 along being provided with, the glue-line edge 7-1 in the outside and the step edge 15-3 of filter plate coupling, inboard glue-line edge 7-2 and filter plate middle part circular hole 15-1 coupling, between the two sides of same filter plate filter cloth 7, form the absolute oil chamber, between relative filter cloth 7, form filter chamber 17.。The two sides is equipped with the scraper 6 that rule is arranged on the described propeller runner 16, and scraper 6 is at least row; The circumference of scraper 6 and propeller runner 16 has certain slanted angle, the direction of rotation coupling of scraper 6 incline directions and propeller runner 16.The pitch of described pressure slag spiral shell 9 is successively decreased from top to bottom gradually, presses the helicla flute 9-1 degree of depth of slag spiral shell 9 to successively decrease gradually from top to bottom.Be set with fuel-displaced circle 8 outside the described pressure slag chamber 10, the structure that goes out scraper ring is ring-like, and it has the special-shaped inner surface, and all cloth oil clearance 8-2, oil collecting hole 8-1 and oil road 8-3.Press the slag screw rod because of being the single thread structure, when it is unbalanced going out the power that provides the effect of scraper ring circumferencial direction when the scraper ring inward turning is changeed.Press the slag screw rod when a certain direction maximum, force, go out the compacted closure of oil clearance 8-2 that is in this point in the scraper ring, at this moment oil and slag all can not be by going out the oil clearance 8-2 of scraper ring; Stressed hour of the oil clearance 8-2 of this point in going out scraper ring, owing to go out the elasticity of scraper ring, oil clearance 8-2 opens, again because the gap of oil clearance 8-2 is very little, oil can be smoothly enters oil collecting hole 8-1 by oil clearance 8-2 and reenters filter chamber by oil duct 8-3 then and filter again, and the dregs of fat then are blocked in outside the oil clearance, are pressed the slag screw acting, continuation is moved to slag notch, outside the discharge machine.
The sidepiece in described pressure slag chamber 10 is provided with slag notch 11, and slag notch 11 places are provided with and transfer cake mechanism 13, transfers the end of cake mechanism 13 to be provided with the taper plug 12 that mates with this slag notch, and this plug can insert slag notch.Pressure gauge 5 is installed above the first order of described filter chamber 17, on the oil pipe 3 that described high-pressure oil pump 19 connects overpressure protection mechanism 2 is installed.
The course of work of this device: crude oil enters in the filter chamber of vane oil filter under the effect of high-pressure oil pump, because filter chamber is airtight, absolute oil sees through filter cloth and discharges to the absolute oil mouth along the fixing surperficial crisscross oil groove of filter plate under the effect of filter cloth external and internal pressure difference, the dregs of fat are then stayed on the filter cloth, when the dregs of fat accumulate certain thickness, when pressure reaches the force value of setting, the control system action, start the motor drives gearbox and make main axis rotation in the vane oil filter, the drive propeller runner rotates, scraper on the propeller runner scrapes off the filter cloth last layer dregs of fat, and a dregs of fat that scrape is to bottom or subordinate's propelling, because the attenuate of the dregs of fat layer on the filter cloth reduces the oil filtration resistance, guaranteed the permeability of filter cloth, made the normal filtration state obtain continuing.The dregs of fat that scrape are transported to always and press the slag chamber by the effect of multistage propeller runner upper blade.Pressing the slag spiral shell is that a baseplane is cone shape, and from being fed to slag notch under the situation of pressing the slag spiral to change, because the volume that it comprised can constantly diminish, press the slag spiral shell further to push to the dregs of fat, further concentrate, the oil of extruding then flows to oil collecting hole from go out the scraper ring oil clearance, reversely then flow back to filter chamber and filter again, and the dregs of fat after concentrating are outside slag notch discharge machine.When filter cloth is blocked by the dregs of fat, when the propeller runner scraper can not well filter, the pressure in the filter chamber can increase, the pressure protection agency action, and the filter cloth indicator lamp is bright, and prompting needs to change filter cloth or cleans filter cloth.
After this equipment oil strain finishes, in filter chamber, inject gases at high pressure by air compressor machine, can be outside slag notch squeezes out machine the excess oil in the vane oil filter.
Claims (8)
1, a kind of compound filter, pressure slag equipment, comprise rack-mounted vane oil filter and spiral pressure slag machine, described oil filter top is provided with high-pressure oil pump, this high-pressure oil pump is communicated to the filter chamber of described oil filter inside by oil pipe, it is characterized in that: described vane oil filter is installed in the top that spiral is pressed the slag machine, described vane oil filter and spiral are pressed the shared main shaft of slag machine, and the filter chamber of described vane oil filter presses the press for extracting juice chamber of slag machine to be communicated with spiral; Described oil filter body by a plurality of band edges that are superimposed fixedly filter plate form, there is a circular hole at each filter plate middle part, the cavity that forms between the filter plate is a filter chamber, in each filter chamber, be provided with propeller runner, the middle part of each propeller runner is fixed on by key on the main shaft of this equipment, and described main shaft passes the circular hole at each filter plate middle part; Be communicated with by the annular gap between main shaft and the filter plate between the multistage up and down filter chamber; The press for extracting juice chamber of described screw oil expeller is connected afterbody filter chamber bottom, is equipped with on one section main shaft in pressing the chamber to press the slag spiral shell.
2, compound filter according to claim 1, press slag equipment, it is characterized in that: be provided with the compound seal packing ring between the step edge of described adjacent fixedly filter plate, the outside, cross section of this packing ring be a circle, and the inboard is opening " V " shape inwardly.
3, compound filter according to claim 1, pressure slag equipment, it is characterized in that: the surface of described fixedly filter plate has crisscross oil groove, is provided with the absolute oil outlet in the side of filter plate, and oil groove is communicated with the absolute oil outlet.
4, compound filter according to claim 3, pressure slag equipment, it is characterized in that: the surface of described fixedly filter plate is covered with filter cloth; These filter cloth central authorities be provided with filter plate on corresponding circular hole, central circular hole and external edge at filter cloth are bonded with the glue-line edge along being provided with, the glue-line edge in the outside and the step edge of filter plate coupling, inboard glue-line edge and filter plate middle part circular hole coupling, between the filter cloth of the two sides of same filter plate, form the absolute oil chamber, between relative filter cloth, form filter chamber.
5, compound filter according to claim 1, pressure slag equipment, it is characterized in that: the two sides is equipped with the scraper that rule is arranged on the described propeller runner, and scraper is at least row; The circumference of scraper and propeller runner has certain slanted angle, the direction of rotation coupling of scraper incline direction and propeller runner.
6, compound filter according to claim 1, pressure slag equipment, it is characterized in that: the pitch of described press for extracting juice spiral shell is successively decreased from top to bottom gradually, presses the helicla flute degree of depth of spiral shell and successively decreases gradually from top to bottom; Described press for extracting juice is set with fuel-displaced circle outside the chamber, and the oil that going out scraper ring has special construction that the press for extracting juice spiral shell is extruded is back to the oil strain chamber.
7, compound filter according to claim 1, pressure slag equipment, it is characterized in that: the sidepiece in described press for extracting juice chamber is provided with slag notch, the slag notch place is provided with and transfers cake mechanism, transfers the end of cake mechanism to be provided with the taper plug that mates with this slag notch, and this plug can insert slag notch.
8, compound filter according to claim 1, pressure slag equipment is characterized in that: above the first order of described filter chamber Pressure gauge is installed, on the oil pipe that described high-pressure oil pump connects overpressure protection mechanism is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101196066A CN101530685B (en) | 2009-03-23 | 2009-03-23 | Composite slag filtering and pressing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101196066A CN101530685B (en) | 2009-03-23 | 2009-03-23 | Composite slag filtering and pressing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101530685A true CN101530685A (en) | 2009-09-16 |
| CN101530685B CN101530685B (en) | 2011-11-30 |
Family
ID=41101677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101196066A Expired - Fee Related CN101530685B (en) | 2009-03-23 | 2009-03-23 | Composite slag filtering and pressing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101530685B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105597399A (en) * | 2016-03-18 | 2016-05-25 | 刘尊龙 | Louvered filter |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2219748Y (en) * | 1995-03-31 | 1996-02-14 | 四川西南应用声学研究所 | Ultrasonic high-energy precision filter for regeneration of sewage or waste water |
| CN2252043Y (en) * | 1996-01-15 | 1997-04-16 | 陈启松 | Continuous screw filter leaf filter |
| CN1341472A (en) * | 2001-08-30 | 2002-03-27 | 启东市海鹰机电集团公司 | Self-cleaning press filtering machine |
| CN2609632Y (en) * | 2002-10-28 | 2004-04-07 | 长沙高新技术产业开发区开通科技有限公司 | Cross flow rotation blade dynamic pressure filter |
| CN1586701A (en) * | 2004-08-04 | 2005-03-02 | 北京迪威尔石油天然气技术开发有限公司 | Dynamic filter |
-
2009
- 2009-03-23 CN CN2009101196066A patent/CN101530685B/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105597399A (en) * | 2016-03-18 | 2016-05-25 | 刘尊龙 | Louvered filter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101530685B (en) | 2011-11-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201632120U (en) | Rotary-absorbing self-cleaning type filter | |
| CN204208383U (en) | A kind of cyclone type dedusting steam-water separator | |
| CN210495475U (en) | Stable high-efficiency energy-saving sewage treatment integrated equipment | |
| CN205019806U (en) | Self -cleaning filter | |
| CN217220523U (en) | High-efficient variable pore filtering pond | |
| CN201394409Y (en) | Centrifugal net-type full-automatic filter | |
| CN208130580U (en) | A kind of vertical multi-layer pressure filter | |
| CN101530685B (en) | Composite slag filtering and pressing device | |
| CN102861479B (en) | Self-cleaning cyclone composite precision sand remover | |
| CN203060949U (en) | Bidirectional online drainage filter | |
| CN201026415Y (en) | Highly effective separator for oil-water and wastewater | |
| CN205759949U (en) | A kind of Ceramic Material processing filter-pressing device | |
| CN210559738U (en) | Multi-stage large oil-water separator with thorough oil-residue separation | |
| CN208454636U (en) | A kind of turbocharging type automatically cleaning high efficiency particulate air filter | |
| CN206980211U (en) | Radial fiber filter | |
| CN207153238U (en) | One kind vortex solid-liquid separating machine | |
| CN215026509U (en) | Stainless steel filter | |
| CN2677003Y (en) | Multpipe filter | |
| CN201175610Y (en) | Inter-filter type filter | |
| CN204134304U (en) | The filtering tank of the most waste oil of a kind of energy press filtration | |
| CN2528995Y (en) | Fluid filter unit | |
| CN208933110U (en) | Primary sedimentation tank | |
| CN206730639U (en) | A kind of coarse filter device for water drainage-supply system | |
| CN201086000Y (en) | Ultrasound wave regeneration liquid-solid separating device | |
| CN220513705U (en) | Exhaust gas filter for small petrochemical equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: FUYANG FEIHONH MACHINERY CO., LTD. Free format text: FORMER OWNER: SUN HUI Effective date: 20130204 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 236000 FUYANG, ANHUI PROVINCE TO: 236028 FUYANG, ANHUI PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130204 Address after: 236028 No. 383 Taihe Road, Anhui, Fuyang Patentee after: Fuyang Fei Fei Machinery Co., Ltd. Address before: The 236000 Ring Road in Anhui province Fuyang winspring District No. 152 Building 2 104 Patentee before: Sun Hui |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111130 Termination date: 20210323 |