CN109351018A - A kind of filter device and drainage bin - Google Patents
A kind of filter device and drainage bin Download PDFInfo
- Publication number
- CN109351018A CN109351018A CN201811522924.2A CN201811522924A CN109351018A CN 109351018 A CN109351018 A CN 109351018A CN 201811522924 A CN201811522924 A CN 201811522924A CN 109351018 A CN109351018 A CN 109351018A
- Authority
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- China
- Prior art keywords
- filter
- filter device
- drainage bin
- assemblies
- filter screen
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000011010 flushing procedure Methods 0.000 claims abstract description 29
- 238000001914 filtration Methods 0.000 claims abstract description 26
- 230000000712 assembly Effects 0.000 claims description 53
- 238000000429 assembly Methods 0.000 claims description 53
- 239000007921 spray Substances 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 239000011148 porous material Substances 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 40
- 230000000903 blocking effect Effects 0.000 abstract description 5
- 238000004140 cleaning Methods 0.000 abstract description 5
- 238000011084 recovery Methods 0.000 abstract description 4
- 239000002006 petroleum coke Substances 0.000 description 9
- 230000018044 dehydration Effects 0.000 description 7
- 238000006297 dehydration reaction Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 239000000571 coke Substances 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 238000004939 coking Methods 0.000 description 2
- 238000005235 decoking Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000009954 braiding Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/114—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements arranged for inward flow filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/56—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/64—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
- B01D29/6438—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element nozzles
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
This application discloses a kind of filter device, the filter device is the cylinder surrounded by bottom plate (41) and filter screen (42), and the bottom plate (41) is equipped with flushing machine (43).The application also provides a kind of drainage bin using above-mentioned filter device.Filter device provided by the present application, moisture in material passes through filter screen 42 and enters in filter device, the rate of filtration is fast, and it is equipped with flushing machine 43, when feed blocking filter device, opens flushing machine 43 and filter device is cleaned, the material of siltation can be effectively removed, in the case where not dismantling cleaning, make the fast quick-recovery filter capacity of filter device, convenient for industrializing the progress worked continuously.
Description
Technical field
This application involves technical field of petrochemical industry, more particularly to a kind of filter device and drainage bin.
Background technique
Petroleum coke is the decompression residuum of petroleum, and the black solid coke generated through cracking coking in coking plant has
Extensive industrial use.In the preparation process of petroleum coke, usually using the method for hydraulic decoking, coke is shredded using high pressure water
Take coke drum out of.And the burnt aqueous mixtures that hydraulic decoking is formed could use after needing to remove moisture.Due to petroleum coke treating capacity
Greatly, and wet viscous, dehydration difficulty is larger.
Therefore, how a kind of dehydration device to be provided, the moisture in quick separating petroleum coke, be those skilled in the art urgently
The technical issues of solution.
Summary of the invention
In order to solve the above technical problems, the first purpose of this invention is to provide a kind of filter device；Of the invention second
A purpose is to provide a kind of drainage bin using above-mentioned filter device；Filter device provided by the present application, the moisture in material are worn
It crosses filter screen to enter in filter device, the rate of filtration is fast, and is equipped with flushing machine, when feed blocking filter device, opens punching
Washing machine structure cleans filter device, can effectively remove the material of siltation, in the case where not dismantling cleaning, makes filter device
Fast quick-recovery filter capacity, convenient for industrializing the progress worked continuously.Drainage bin provided by the present application may be implemented to material,
The especially fast dewatering of big, the wet viscous petroleum coke for the treatment of capacity.
Technical solution provided by the invention is as follows:
A kind of filter device, the filter device are the cylinders surrounded by bottom plate and filter screen, and the bottom plate, which is equipped with, to be rinsed
Mechanism.
Preferably, the filter screen is fixed on support rod by more filter items and is formed, and the gap between the filter item is constituted
The filtration channel of the filter screen.
Preferably, the cross section of the filter item is triangle, and the apex angle of the filter item is fixedly connected with the support rod；
Or,
It is described filter item cross section be it is trapezoidal, it is described filter item upper bottom edge be fixedly connected with the support rod.
Preferably, the flushing machine includes spray head and flushing pipe, and the spray head setting is enclosed in the bottom plate and filter screen
At cylinder in, and the spray head, towards the filter screen, the flushing pipe is connected to the spray head and water source.
Preferably, the bottom plate is equipped with multiple flushing machines.
A kind of drainage bin, the drainage bin inner wall are equipped at least one filter device described in any of the above embodiments, the mistake
Strainer is towards in the drainage bin, and the filter device is connected with the drainage channel of the drainage bin.
Preferably, the drainage bin is equipped with multiple filter devices, and multiple filter devices form filter assemblies, the mistake
Filter the second filter assemblies that component includes the first filter assemblies and is arranged in below first filter assemblies.
Preferably, the drainage bin lower part is taper, the drainage bin inner wall of the second filter assemblies setting taper.
Preferably, in the filter device in first filter assemblies, the cross section of the filter screen is convex, described
The center of convex is towards the bottom plate；And/or
In filter device in second filter assemblies, the cross-section parts of the filter screen or all concave arc shapes,
The center of the concave arc shape is towards in the drainage bin, so that the filter screen cooperates the taper of the drainage bin lower part to set
It sets.
Preferably, the pore size filter of the filter device in first filter assemblies, than in second filter assemblies
The pore size filter of filter device is big.
The application's provides a kind of filter device, and the filter device is the cylinder surrounded by bottom plate and filter screen, described
Bottom plate is equipped with flushing machine.Filter device provided by the present application is the cylinder surrounded by bottom plate and filter screen, is hollow knot
Structure, the moisture in material pass through filter screen and enter in filter device, and the rate of filtration is fast.And filter device can be set and need to pacify
Any position of equipment (such as drainage bin) inner wall of dress, and settable one or more, can be according to carrying out doses flexible setting.And
In filter device provided by the present application, it is additionally provided with flushing machine, when feed blocking filter device, opens flushing machine to filtering
Device is cleaned, and the material of siltation can be effectively removed, and in the case where not dismantling cleaning, makes the fast quick-recovery filtering of filter device
Ability, convenient for industrializing the progress worked continuously.
The application also provides a kind of drainage bin using above-mentioned filter device, and the filter screen in filter device takes off towards described
It in sump, is then in contact, moisture in material and wears less than the powder in filter screen gap with filter screen into the material of drainage bin
It crosses filter screen to enter in filter device, realizes the fast dewatering of big to material, especially treating capacity, wet viscous petroleum coke.Filtering
The drainage channel that water in device enters drainage bin is collected, can be by opening up through-hole in bottom plate, and by through-hole and drainage bin
Drainage channel is connected to realize.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The some embodiments recorded in application, for those of ordinary skill in the art, without creative efforts,
It is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of filter device in the embodiment of the present invention；
Fig. 2 is the side structure schematic view of filter device in the embodiment of the present invention；
Fig. 3 is the cross-sectional structure schematic diagram of filter device in the embodiment of the present invention；
Fig. 4 is the schematic cross-sectional view of drainage bin in the embodiment of the present invention；
Appended drawing reference: 3- filter assemblies；The first filter assemblies of 31-；The second filter assemblies of 32-；41- bottom plate；42- filtering
Net；421- filters item；422- support rod；43- flushing machine；431- spray head；432- flushing pipe.
Specific embodiment
In order to make those skilled in the art better understand the technical solutions in the application, below in conjunction with the application reality
The attached drawing in example is applied, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described implementation
Example is merely a part but not all of the embodiments of the present application.Based on the embodiment in the application, this field is common
The application protection all should belong in technical staff's every other embodiment obtained without making creative work
Range.
Please be as shown in Figures 1 to 4, the embodiment of the present invention provides a kind of filter device, and the filter device is by bottom plate 41
The cylinder surrounded with filter screen 42, the bottom plate 41 are equipped with flushing machine 43.
The application's provides a kind of filter device, and the filter device is the cylinder surrounded by bottom plate 41 and filter screen 42,
The bottom plate 41 is equipped with flushing machine 43.Filter device provided by the present application is the cylinder surrounded by bottom plate 41 and filter screen 42,
For hollow structure, the moisture in material passes through filter screen 42 and enters in filter device, and the rate of filtration is fast.And filter device can be with
It is arranged in any position for needing equipment (such as drainage bin) inner wall to be mounted, and settable one or more, it can be according to supplied materials
Measure flexible setting.And in filter device provided by the present application, it is additionally provided with flushing machine 43, when feed blocking filter device, is opened
It opens flushing machine 43 to clean filter device, the material of siltation can be effectively removed, in the case where not dismantling cleaning, made
The fast quick-recovery filter capacity of device is filtered, convenient for industrializing the progress worked continuously.
Preferably, the filter screen 42 is fixed on support rod 422 by more filter items 421 and is formed, between the filter item 421
Gap constitute the filtration channel of the filter screen 42.
Filter screen 42 is fixed on the structure on support rod 422 using filter item 421, and intensity is high, gap is continuous, effective circulating face
Product is larger, and filter efficiency can be improved.Specifically, more filter items 421 are fixed in parallel on support rod 422, filter between item
Convenient for control, and when filtering, material and adjacent filter item 421 are point contact in gap, compared to the strainer for using braiding web form,
The case where being not susceptible to feed blocking filter opening using filter item, goes on smoothly filter process.It is preferred that support rod 422 have it is a plurality of,
Different location is fixedly connected with more filter items 421, is improved the intensity of filter device, is avoided material extrusion damage filter device.This
In application, filter item 421 can be realized with being fixedly connected for support rod 422 by the methods of welding.
Preferably, the cross section of the filter item 421 is triangle, and the apex angle and the support rod 422 of the filter item 421 are solid
Fixed connection；Or,
It is described filter item 421 cross section be it is trapezoidal, it is described filter item 421 upper bottom edge be fixedly connected with the support rod 422.
It is preferred that the cross section of filter item 421 is triangle or trapezoidal, and will (the separate support outwardly of the filter biggish bottom surface of item 421
Bar 422), make different 421 bottom surfaces of filter item combine to form filtration face, then the gap width between different filter 421 bottom surfaces of item was exactly
The precision of filter.Meanwhile making to filter relatively narrow one end of item 421 (triangle apex angle, trapezoidal is upper bottom surface) and the fixed company of support rod 422
It connects, then permeate (water or particle are less than the material of gap width) is in the gaps across different filter 421 bottom surfaces of item, to filtering
Motion process in device, the width filtered between item 421 are gradually increased, thus are passed through filter screen 42 and entered in filter device
Substance can fast move.And biggish material is blocked by the gap between different filter 421 bottom surfaces of item, will not enter filter device
In, realize separation.Likewise, the gap that water flow is led between filtering rod 421 is also convenient for, to the material of siltation when being rinsed
It is rinsed.
Preferably, the flushing machine 43 includes spray head 431 and flushing pipe 432, and the spray head 431 is arranged in the bottom plate
41 and the cylinder that surrounds of filter screen 42 in, and the spray head 431, towards the filter screen 42, the flushing pipe 432 is connected to described
Spray head 431 and water source.
Spray head 431 by the water dispersion flowed into flushing pipe 432 and can be pressurized discharge when flushing, become silted up on impact filtration net 42
Long-pending material, achievees the purpose that cleaning, and filter device is made to restore normal filtration ability.
Preferably, the bottom plate 41 is equipped with multiple flushing machines 43.
It is preferred that multiple flushing pipes 43 are arranged in filter device, the different parts of filter screen 42 are cleaned.
A kind of drainage bin, the drainage bin inner wall are equipped at least one filter device described in any of the above embodiments, the mistake
Strainer 42 is towards in the drainage bin, and the filter device is connected with the drainage channel of the drainage bin.
The application also provides a kind of drainage bin using above-mentioned filter device, and the filter screen 42 in filter device is towards described
In drainage bin, then it is in contact into the material of drainage bin with filter screen 42, the moisture in material and the powder less than filter screen gap
End passes through filter screen 42 and enters in filter device, realizes the quick de- of big to material, especially treating capacity, wet viscous petroleum coke
Water.The drainage channel that water in filter device enters drainage bin is collected, can by opening up through-hole in bottom plate 41, and by through-hole with
The drainage channel of drainage bin is connected to realize.
Preferably, the drainage bin is equipped with multiple filter devices, and multiple filter devices form filter assemblies 3, described
Filter assemblies 3 include the first filter assemblies 31 and the second filter assemblies 32 being arranged in below first filter assemblies 31.
In drainage bin, multiple filter devices can be set, for ease of description the position of filter device, fills multiple filterings
Set composition filter assemblies 3.It is preferred that the first filter assemblies 31 are arranged in drainage bin upper inside wall, in drainage bin inner wall lower setting the
Two filter assemblies 32.First filter assemblies 31 and the second filter assemblies 32 respectively include multiple filter devices, so that entering dehydration
The material in storehouse is filtered dehydration in multiple directions respectively, improves efficiency.In each more preferable filter assemblies, filter device exists
Drainage bin inner wall is uniformly arranged in the circumferential direction.The second filter assemblies 32 being arranged below, when material is less in drainage bin, to object
Material is dehydrated；When the amount of material in drainage bin continues growing, height increases, and reaches the height of the first filter assemblies 31 of top
When, the first filter assemblies 31 are also simultaneously dehydrated material, increase water separation capability when inventory is big.More preferably filtering is filled
It sets and is arranged along the vertical direction in drainage bin inner wall, then in the length range of filter device, for being stacked into the object of different height
Material can be dehydrated.
When the first filter assemblies 31, the second filter assemblies 32 are arranged, corresponding first preferably is respectively set in drainage bin
Drainage channel and the second drainage channel are collected the first filter assemblies 31, the liquid that the second filter assemblies 32 filter out respectively, and can be divided
Other places reason.
Preferably, the drainage bin lower part is taper, and the drainage bin inner wall of taper is arranged in second filter assemblies 32.
Drainage bin lower part is set as taper can be in order to discharging.Second filter assemblies 32 are arranged in drainage bin conical section,
Close to the discharge port of drainage bin, can also be dehydrated when material is less in drainage bin, meanwhile, the object that discharge port can be discharged
Expect the moisture control of (such as petroleum coke) in the range of needs.
During material enters drainage bin, filter device starts to work and is filtered dehydration.The material in drainage bin
After reaching set amount, it will usually stand a period of time peaceful dehydration (usually 8-12h), make material water ratio lower than limit value
(such as making petroleum that moisture content is lower than 25%), dehydration is completed, valve discharging is then turned on.
Preferably, in the filter device in first filter assemblies 31, the cross section of the filter screen 42 is convex,
The center of the convex is towards the bottom plate 41；And/or
In filter device in second filter assemblies 32, the cross-section parts or all concave arcs of the filter screen 42
Shape, the center of the concave arc shape is towards in the drainage bin, so that the filter screen 42 cooperates the cone of the drainage bin lower part
Shape setting.
It is preferred that the filter screen 42 that the first filter assemblies 31 use, cross section is set as convex, more preferably arc-shaped.It is convex
Arc or arc-shaped center are towards the bottom plate 41, so that filter screen 42 is prominent to the material inside drainage bin, are convenient for material
The filtration of middle moisture.
And by filter screen 42 used in the second filter assemblies 32, cross section is set as concave arc shape, and in concave arc shape
The heart is towards in drainage bin, so that the conical section setting of the shape cooperation drainage bin of filter device.Then the second filter assemblies 32 is more
The filter screen 42 that a filter device uses forms a conical surface interrupted, identical with the conical section shape of drainage bin, only ruler
The very little conical section less than drainage bin.The filter screen 42 that cross section is concave arc shape is set, it is possible to reduce raised arc or arc-shaped
The probability of happening of bring arching phenomenon.Wherein, the cross-section parts of filter screen 42 or all concave arc shapes refer to, work as filter screen
42 and a U-shaped bottom plate 41 when surrounding cylinder, all concave arc shapes in the cross section of filter screen 42.And bottom plate 41 is plane or arc
Face, when being bent by the two sides of filter screen 42 to surround cylinder, the cross-section parts (middle section) of filter screen 42 are concave arc shape, and two sides
Unlimited setting shape, it is only necessary to bend simultaneously connecting bottom board 41.
Preferably, the pore size filter of the filter device in first filter assemblies 31, than second filter assemblies 32
In filter device pore size filter it is big.
Larger, the second filtering group of lower section is arranged in the pore size filter of the middle filter device of first filter assemblies 31 of top
The pore size filter of filter device in part 32 is smaller.Second filter assemblies 32 of lower section can carry out refined filtration to material, needed for making
Material is deposited in drainage bin as far as possible, is not filtered away.And when material persistently increases, the first filter assemblies 31 of top
Coarse filtration can be carried out to material, filter out moisture and the small particle of part partial size, quickly to improve filter efficiency.The first of top
It also include the lesser material of part partial size (such as petroleum coke powder) in the liquid that filter assemblies 31 filter out, it can be through collecting simultaneously loopback
To drainage bin, refined filtration is carried out again by the second filter assemblies 32 of lower section, stays in partial size lesser material in drainage bin, then pass through
Discharging is transferred storage or use.
Pore size filter is that the full-size that can be filtered by filter screen 42 determines.When use more filter items 421 and support rod
When 422 structure, pore size filter refers to the gap that adjacent two filters item 421 is formed, the full-size that can be filtered.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (10)
1. a kind of filter device, which is characterized in that the filter device is the cylinder surrounded by bottom plate (41) and filter screen (42),
The bottom plate (41) is equipped with flushing machine (43).
2. filter device according to claim 1, which is characterized in that the filter screen (42) is solid by more filter items (421)
It is scheduled on support rod (422) and is formed, the gap between filter item (421) constitutes the filtration channel of the filter screen (42).
3. filter device according to claim 2, which is characterized in that the cross section of filter item (421) is triangle, institute
The apex angle for stating filter item (421) is fixedly connected with the support rod (422)；Or,
The cross section for filtering item (421) is trapezoidal, the fixed company in upper bottom edge and the support rod (422) of filter item (421)
It connects.
4. filter device according to any one of claim 1-3, which is characterized in that the flushing machine (43) includes spray
Head (431) and flushing pipe (432), the spray head (431) are arranged in the cylinder that the bottom plate (41) and filter screen (42) surround,
And the spray head (431), towards the filter screen (42), the flushing pipe (432) is connected to the spray head (431) and water source.
5. filter device according to claim 4, which is characterized in that the bottom plate (41) is equipped with multiple flushing machines
(43)。
6. a kind of drainage bin, which is characterized in that the drainage bin inner wall is equipped with described in any one of at least one claim 1-5
Filter device, the filter screen (42) is towards in the drainage bin, and the draining of the filter device and the drainage bin is logical
Road is connected.
7. drainage bin according to claim 6, which is characterized in that the drainage bin is equipped with multiple filter devices, Duo Gesuo
Filter device composition filter assemblies (3) is stated, the filter assemblies (3) include the first filter assemblies (31) and setting described the
The second filter assemblies (32) below one filter assemblies (31).
8. drainage bin according to claim 7, which is characterized in that the drainage bin lower part is taper, second filtering
The drainage bin inner wall of component (32) setting taper.
9. drainage bin according to claim 8, which is characterized in that the filter device in first filter assemblies (31)
In, the cross section of the filter screen (42) is convex, and the center of the convex is towards the bottom plate (41)；And/or
In filter device in second filter assemblies (32), the cross-section parts or all concave arcs of the filter screen (42)
Shape, the center of the concave arc shape is towards in the drainage bin, so that the filter screen (42) cooperates the drainage bin lower part
Taper setting.
10. the drainage bin according to any one of claim 7-9, which is characterized in that in first filter assemblies (31)
Filter device pore size filter, the pore size filter than the filter device in second filter assemblies (32) is big.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811522924.2A CN109351018A (en) | 2018-12-12 | 2018-12-12 | A kind of filter device and drainage bin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811522924.2A CN109351018A (en) | 2018-12-12 | 2018-12-12 | A kind of filter device and drainage bin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109351018A true CN109351018A (en) | 2019-02-19 |
Family
ID=65329615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811522924.2A Pending CN109351018A (en) | 2018-12-12 | 2018-12-12 | A kind of filter device and drainage bin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109351018A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112403798A (en) * | 2020-08-29 | 2021-02-26 | 许贵真 | Optical cement coating machine and optical cement production line |
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| CN112403798B (en) * | 2020-08-29 | 2022-02-18 | 安徽富印新材料有限公司 | Optical cement coating machine and optical cement production line |
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