CN111111297A - Disc type vacuum filter - Google Patents
Disc type vacuum filter Download PDFInfo
- Publication number
- CN111111297A CN111111297A CN202010035222.2A CN202010035222A CN111111297A CN 111111297 A CN111111297 A CN 111111297A CN 202010035222 A CN202010035222 A CN 202010035222A CN 111111297 A CN111111297 A CN 111111297A
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- Prior art keywords
- filter
- disc
- scraper
- plates
- sides
- 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
- 230000007246 mechanism Effects 0.000 claims abstract description 26
- 239000004744 fabric Substances 0.000 claims abstract description 24
- 238000003756 stirring Methods 0.000 claims abstract description 19
- 239000012065 filter cake Substances 0.000 claims description 19
- 238000009434 installation Methods 0.000 claims description 5
- 238000001914 filtration Methods 0.000 abstract description 8
- 238000012423 maintenance Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 5
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 239000002002 slurry Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Images
Classifications
-
- 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
- B01D33/15—Filters with filtering elements which move during the filtering operation with rotary plane filtering surfaces
- B01D33/21—Filters with filtering elements which move during the filtering operation with rotary plane filtering surfaces with hollow filtering discs transversely mounted on a hollow rotary shaft
-
- 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
- B01D33/15—Filters with filtering elements which move during the filtering operation with rotary plane filtering surfaces
- B01D33/21—Filters with filtering elements which move during the filtering operation with rotary plane filtering surfaces with hollow filtering discs transversely mounted on a hollow rotary shaft
- B01D33/23—Construction of discs or component sectors thereof
-
- 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
- B01D33/466—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element scrapers
-
- 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
- B01D33/70—Filters with filtering elements which move during the filtering operation having feed or discharge devices
- B01D33/76—Filters with filtering elements which move during the filtering operation having feed or discharge devices for discharging the filter cake, e.g. chutes
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention relates to the technical field of disc type vacuum filters, and provides a disc type vacuum filter, which comprises a filter disc, a main shaft, a gas distribution device, a main shaft, a stirring shaft and a plurality of scraper mechanisms, wherein filter plates with filter holes which are oppositely arranged are movably arranged in a space which is surrounded by side plates at two sides, a top plate and a connecting cavity, the aperture of the filter hole of each filter plate is 0.5cm-1cm, the filter cloth sleeves are covered on the space which is formed by the side plates, the filter plates and the top plate, the filter cloth sleeves are formed by folding and covering the side plates, the filter plates and the top plate by filter cloth, two free edges of the filter cloth are closed by zippers, and the main shaft and the stirring shaft are respectively formed by combining a head shaft, a. The invention solves the problems that the filter disc of the existing disc type vacuum filter has an unsatisfactory filtering effect and the maintenance cost of the main shaft and the stirring shaft is high.
Description
Technical Field
The invention relates to the technical field of disc type vacuum filters, in particular to a disc type vacuum filter.
Background
The disc vacuum filter is a solid-liquid separation device, and utilizes vacuum as filtering power to make the ore pulp undergo the process of solid-liquid separation. The disc type vacuum filter is suitable for the dehydration operation of iron ore concentrate and non-ferrous metal concentrate, is also suitable for the dehydration operation in the fields of coal washery, non-metallic ore, chemical industry, environmental protection and the like, and is widely applied in the fields of metallurgy, coal, chemical industry, building materials, environmental protection and the like. The disk vacuum filter consists of main parts such as a filter disk, a main shaft, a gas distribution device, a main shaft transmission device, a stirring device, a material guiding and discharging device, a tank body, an ore feeding device, a lubricating system and the like. In order to improve the structural stability of the main shaft and the stirring shaft, the prior art adopts a form of combining a head shaft, a middle shaft and a tail shaft, wear-resistant shaft sleeves are arranged on the head shaft and the tail shaft in a lining mode, packing is used for sealing to prevent ore pulp from escaping, water pressure is unstable when the device is used, and the water contains impurities and the use of the shaft sleeve ensures that the linear velocity at the middle shaft sealing element is large, thereby leading the rotating speed between the middle shaft and the head shaft and the tail shaft to be different and easily damaging the whole main shaft or the stirring shaft, and when a part of the filter fans need to stop rotating temporarily when absorbing ore slurry to form a filter cake, then the filter fans continue to rotate, so that the intermediate shaft of the main shaft and the head shaft and the tail shaft are always impacted by the rotation inertia force of the suspended rotation, the main shaft is easy to be impacted and abraded, meanwhile, the hidden trouble of ore pulp escape can be caused, the operation rate of the equipment is greatly reduced, the maintenance cost is high, and the filtering effect of the existing filter disc is not ideal enough.
Disclosure of Invention
Therefore, aiming at the problems, the invention provides the disc type vacuum filter which has the advantages of simple and reasonable structure, long service life of the main shaft and the stirring shaft, good filtering effect of the filter disc and maintenance cost reduction.
In order to solve the technical problem, the invention adopts the following scheme: a disc type vacuum filter comprises a filter disc, a main shaft, a gas distribution device, a main shaft, a stirring shaft and a plurality of scraper mechanisms, wherein the filter disc comprises a plurality of filter fans which are spliced and combined together, the scraper mechanisms are respectively correspondingly arranged on two sides of each filter disc to scrape off filter cakes, each filter fan comprises a filter plate, a filter cloth sleeve and side plates which are correspondingly distributed on two sides, two ends of each side plate are respectively connected with a top plate and a connecting cavity, an installation port is arranged on each connecting cavity, the filter plates with filter holes which are oppositely arranged are movably arranged in a space which is surrounded by the side plates on the two sides, the top plates and the connecting cavities, the filter holes of the filter plates are 0.5cm-1cm in aperture, the filter cloth sleeves are covered on the space which is formed by the side plates, the top plates and the filter cloth sleeves, the filter cloth sleeves are folded and covered by filter cloth, the side plates, the filter plates and the top plates, two free, The middle shaft and the tail shaft are respectively combined by a star-shaped elastic coupling.
Furthermore, each scraper mechanism comprises a scraper and a scraper support frame, the scrapers are arranged on the scraper support frames, the knife edges of the scrapers face the filter discs, the scrapers on the two sides of each filter disc are symmetrically arranged by taking the filter discs as centers, the scrapers on the two sides of each filter disc face the filter discs upwards through the downward and upward inclined knife edges, and the included angle formed between the scrapers on the two sides of each filter disc is 30-120 degrees.
Furthermore, the scrapers of the scraper mechanisms are obliquely arranged from low to high along the outer diameter of the filter disc towards the center of the filter disc.
Furthermore, the included angle between the scrapers of each scraper mechanism along the outer diameter of the filter disc and towards the center of the filter disc and the horizontal plane is 15-45 degrees
Furthermore, the distance between the scraper and the filter disc of each scraper mechanism is 0.5cm-1 cm.
Furthermore, the included angle formed between the scrapers on the two sides of each filter disc is 60 degrees.
By adopting the technical scheme, the invention has the beneficial effects that: the filter fan is designed into the filter cloth sleeve which can be quickly disassembled and assembled, and the filter plate is provided with the large-aperture filter holes, so that the ore slurry can be quickly adsorbed, and the filter cloth sleeve can be quickly disassembled, replaced and cleaned, thereby effectively ensuring the filtering effect of the filter disc and greatly improving the filtering efficiency, meanwhile, the main shaft and the stirring shaft are connected when being arranged into three sections of the head shaft, the intermediate shaft and the tail shaft which are connected by the star-shaped elastic coupling, so that the main shaft and the stirring shaft have the functions of compensating the relative offset, buffering, damping and wear resistance among the head shaft, the intermediate shaft and the tail shaft, effectively improving the working performance under the conditions of dust and moisture, prolonging the service life of the main shaft and the stirring shaft, having simple structure and effectively reducing the maintenance cost, and leading the scraper and the filter disc of the scraper mechanism to be arranged between 15 degrees and 60 degrees through further arrangement, leading the scraper to obliquely scrape the filter cake towards the filter cake so that the, the resistance that the scraper scraped to the filter cake has been reduced effectively, and then make the filter cake drop fast, make the scraper scrape the filter cake by local to whole based on the principle that the farmland plowed, the resistance greatly reduced that the scraper receives and make the filter cake drop effectively, the rate of droing of filter cake has been improved greatly, reach more than 90%, it is easy to make the installation simultaneously, easy maintenance, do not need to use the characteristics of additional power, moreover, the steam generator is simple and reasonable in structure, the rate of unloading is high, the cost is with low costs, through further setting, the scraper of each scraper mechanism sets up toward the filter disc center from low to high slope along the filter disc external diameter, make the scraper subduct the transverse resistance, further guarantee the scraper and scrape the filter cake dynamics, can extensively popularize and apply.
Drawings
FIG. 1 is a schematic diagram of a rear view structure of a disc type vacuum filter according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a filter fan removing filter cloth cover in the embodiment of the invention;
FIG. 3 is a schematic side view of an embodiment of the present invention;
fig. 4 is an enlarged schematic view of a portion of the structure of fig. 3.
Detailed Description
The invention will now be further described with reference to the accompanying drawings and detailed description.
Referring to fig. 1-4, a preferred disk vacuum filter of the present invention comprises a tank 1, a hollow main shaft 2 rotatably mounted above the tank 1, and a plurality of filter disks 3 mounted on the hollow main shaft 2, scraper mechanisms 5 at both sides of the filter disks 3, a discharge pipeline connected to the bottom of the tank 1, a feed pipeline and a discharge hopper respectively arranged at the front end and the rear end of the tank 1, a stirring shaft 4 rotatably mounted at one side of the tank 1, a main motor driving the main shaft 2 to rotate and a stirring motor driving the stirring shaft 4 to rotate mounted on the tank, a water pumping pipe and a back blowing pipe connected to the hollow main shaft 2, which are known in the art and not described herein, a filter fan of CN201420427519.3 disk vacuum filter, a CN201420427495.1 disk vacuum filter, a CN201320640926.8 disk vacuum filter system and other related patents can be referred to, and only the new design part of the design scheme will be described in detail below, the filter disc 3 comprises a plurality of filter fans 31 spliced and combined together, the scraper mechanisms 5 are respectively and correspondingly arranged on each filter, filter cakes are scraped off from two sides of the filter discs 3, each filter fan 31 comprises a filter plate 311, a filter cloth sleeve 312 and side plates 313 correspondingly distributed on two sides, a top plate 314 and a connecting cavity 315 are respectively connected and arranged at two ends of each side plate 313, an installation port is arranged on each connecting cavity 315, the filter plates 311 with filter holes 3111 which are oppositely arranged are movably arranged in a space surrounded by the side plates 313 on two sides, the top plate 314 and the connecting cavity 315, the filter holes 3111 of the filter plates 311 have the aperture of 0.5cm-1cm, the filter cloth sleeve 312 is coated on the space formed by the filter plates 313, the filter plates 311 and the top plate 314, the filter cloth sleeve 312 is formed by coating the side plates 313, the filter plates 311 and the top plate 314 by folding filter cloth, two free edges of the filter cloth are closed by zippers 3121, and the main, Jackshaft and tailshaft three-section are formed through the combination of star elastic coupling 6 respectively, each scraper mechanism 5 corresponds the two sides of locating each filter disc 3 respectively, each scraper mechanism 5 all includes scraper 51 and scraper support frame 52, scraper 51 is located on scraper support frame 52 and the edge of scraper 51 is towards filter disc 3, the scraper 51 of every filter disc 3 two sides uses filter disc 3 to upwards face filter disc 3 by the downward slope edge of a knife of inclining as central symmetry setting and filter disc 3 two sides, the contained angle that constitutes between the scraper 51 of every filter disc 3 two sides is 60, the scraper 51 of each scraper mechanism 5 sets up along the filter disc 3 external diameter toward filter disc 3 center from low to high slope, the scraper 51 of each scraper mechanism 5 is 30 along the filter disc 3 external diameter toward the contained angle between the scraper 51 and the horizontal plane at filter disc 3 center, the interval between the scraper 51 of each scraper mechanism 5 and the filter disc 3 is 0.6 cm.
The aperture of the filter hole of the filter plate is 0.5cm-1cm, the included angle formed between the scrapers on the two sides of each filter disc is 30-120 degrees, the included angle between the scraper of each scraper mechanism and the horizontal plane along the outer diameter of the filter disc towards the center of the filter disc is 15-45 degrees, and the distance between the scraper of each scraper mechanism and the filter disc is 0.5cm-1 cm.
The invention designs the filter fan into the filter cloth sleeve which can be quickly disassembled and assembled, and arranges the large-aperture filter holes on the filter plate, so that the mineral slurry can be quickly adsorbed, and the filter cloth sleeve can be quickly disassembled, replaced and cleaned, thereby effectively ensuring the filtering effect of the filter disc and greatly improving the filtering efficiency, and simultaneously, the main shaft and the stirring shaft are connected when the main shaft and the stirring shaft are arranged into three sections of head shaft, intermediate shaft and tail shaft which are connected by the star-shaped elastic coupling, so that the main shaft and the stirring shaft have the functions of compensating the relative offset, buffering, damping and wear resistance between the head shaft, the intermediate shaft and the tail shaft, effectively improving the working performance under the conditions of dust and moisture, prolonging the service life of the main shaft and the stirring shaft, having simple structure and effectively reducing the maintenance cost, and through further arrangement, namely, the scraper of the scraper mechanism and the filter disc are arranged into an angle of 15-60 degrees, so that the scraper obliquely scrapes the filter cake, the resistance that the scraper scraped to the filter cake has been reduced effectively, and then make the filter cake drop fast, make the scraper scrape the filter cake by local to whole based on the principle that the farmland plowed, the resistance greatly reduced that the scraper receives and make the filter cake drop effectively, the rate of droing of filter cake has been improved greatly, reach more than 90%, it is easy to make the installation simultaneously, easy maintenance, do not need to use the characteristics of additional power, moreover, the steam generator is simple and reasonable in structure, the rate of unloading is high, the cost is with low costs, through further setting, the scraper of each scraper mechanism sets up toward the filter disc center from low to high slope along the filter disc external diameter, make the scraper subduct the transverse resistance, further guarantee the scraper and scrape the filter cake dynamics, can extensively popularize and apply.
While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (6)
1. The utility model provides a disk vacuum filter, includes filter disc, main shaft and gas distribution device, main shaft, (mixing) shaft and a plurality of scraper mechanism, the filter disc is including a plurality of filter fans that the concatenation is combined together, the filter cake is scraped off to the two sides that each filter disc was located respectively to scraper mechanism correspondence, its characterized in that: the filter fan comprises filter plates, filter cloth sleeves and side plates which are correspondingly distributed on two sides, top plates and connecting cavities are respectively connected and arranged at two ends of the side plates on the two sides, installation ports are arranged on the connecting cavities, oppositely-arranged filter plates with filter holes are movably arranged in the space which is surrounded by the side plates on the two sides, the top plates and the connecting cavities, the filter holes of the filter plates are 0.5cm-1cm in aperture, the filter cloth sleeves are covered on the space which is formed by the side plates, the filter plates and the top plates, the filter cloth sleeves are formed by folding and covering the side plates, the filter plates and the top plates by filter cloth, two free edges of the filter cloth are closed by zippers, and a main shaft and a stirring shaft are formed by respectively combining a head shaft, a middle.
2. A disc vacuum filter according to claim 1, wherein: each scraper mechanism comprises a scraper and a scraper supporting frame, the scrapers are arranged on the scraper supporting frames, the knife edges of the scrapers face the filter discs, the scrapers on the two sides of each filter disc are symmetrically arranged by taking the filter discs as centers, the scrapers on the two sides of each filter disc are upwards faced to the filter discs by the downward and upward inclined knife edges, and the included angle formed between the scrapers on the two sides of each filter disc is 30-120 degrees.
3. A disc vacuum filter according to claim 1, wherein: the scrapers of each scraper mechanism are obliquely arranged from low to high along the outer diameter of the filter disc towards the center of the filter disc.
4. A disc vacuum filter according to claim 3, wherein: the included angle between the scraper of each scraper mechanism and the horizontal plane along the outer diameter of the filter disc and towards the center of the filter disc is 15-45 degrees.
5. A disc vacuum filter according to claim 2 or 3 or 4, wherein: the distance between the scraper and the filter disc of each scraper mechanism is 0.5cm-1 cm.
6. A disc vacuum filter according to claim 2 or 3 or 4, wherein: the included angle formed between the scrapers on the two sides of each filter disc is 60 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010035222.2A CN111111297A (en) | 2020-01-14 | 2020-01-14 | Disc type vacuum filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010035222.2A CN111111297A (en) | 2020-01-14 | 2020-01-14 | Disc type vacuum filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111111297A true CN111111297A (en) | 2020-05-08 |
Family
ID=70489109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010035222.2A Pending CN111111297A (en) | 2020-01-14 | 2020-01-14 | Disc type vacuum filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111111297A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117959812A (en) * | 2024-04-02 | 2024-05-03 | 烟台核一过滤设备有限公司 | Disc type vacuum filter |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202569747U (en) * | 2012-05-08 | 2012-12-05 | 马鞍山市格林矿冶环保设备有限公司 | Disc type vacuum filter |
| CN203483948U (en) * | 2013-10-17 | 2014-03-19 | 潍坊华冠自动化设备厂 | Disc type vacuum filter system |
| CN203990048U (en) * | 2014-07-31 | 2014-12-10 | 王伟勇 | Disk vacuum filter filter fan |
| CN207532906U (en) * | 2017-11-03 | 2018-06-26 | 福建省建瓯市闽佳矿业有限公司 | A kind of disk vacuum filter |
| CN109794091A (en) * | 2019-03-20 | 2019-05-24 | 山东莱芜煤矿机械有限公司 | A kind of scraper device and pressing filter with filter cloth cleaning function |
| CN211724922U (en) * | 2020-01-14 | 2020-10-23 | 泉州市力丰机电科技有限公司 | Disc type vacuum filter |
-
2020
- 2020-01-14 CN CN202010035222.2A patent/CN111111297A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202569747U (en) * | 2012-05-08 | 2012-12-05 | 马鞍山市格林矿冶环保设备有限公司 | Disc type vacuum filter |
| CN203483948U (en) * | 2013-10-17 | 2014-03-19 | 潍坊华冠自动化设备厂 | Disc type vacuum filter system |
| CN203990048U (en) * | 2014-07-31 | 2014-12-10 | 王伟勇 | Disk vacuum filter filter fan |
| CN207532906U (en) * | 2017-11-03 | 2018-06-26 | 福建省建瓯市闽佳矿业有限公司 | A kind of disk vacuum filter |
| CN109794091A (en) * | 2019-03-20 | 2019-05-24 | 山东莱芜煤矿机械有限公司 | A kind of scraper device and pressing filter with filter cloth cleaning function |
| CN211724922U (en) * | 2020-01-14 | 2020-10-23 | 泉州市力丰机电科技有限公司 | Disc type vacuum filter |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117959812A (en) * | 2024-04-02 | 2024-05-03 | 烟台核一过滤设备有限公司 | Disc type vacuum filter |
| CN117959812B (en) * | 2024-04-02 | 2024-06-07 | 烟台核一过滤设备有限公司 | Disc type vacuum filter |
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