CN112403088B - Double-vacuum disc type filter - Google Patents
Double-vacuum disc type filter Download PDFInfo
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- CN112403088B CN112403088B CN202011493420.XA CN202011493420A CN112403088B CN 112403088 B CN112403088 B CN 112403088B CN 202011493420 A CN202011493420 A CN 202011493420A CN 112403088 B CN112403088 B CN 112403088B
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- filter
- filter plate
- main shaft
- tank body
- stirring
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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
- B01D33/15—Filters with filtering elements which move during the filtering operation with rotary plane filtering surfaces
- B01D33/17—Filters with filtering elements which move during the filtering operation with rotary plane filtering surfaces with rotary filtering tables
-
- 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
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention relates to the technical field of solid-liquid separation equipment, in particular to a novel double-vacuum disc type filter. The device can more quickly cope with the fluctuation of the ore pulp concentration of the incoming material, and more efficiently ensures the water content of the filter cake and the treatment capacity of the device. Comprises a novel distributing head, a bearing seat, a main transmission system, a main shaft, a groove body, an adjustable scraper guide wheel, a stirring device and a filter plate device. The stirring device is arranged in the tank body, the main shaft is arranged above the tank body, and the stirring device is parallel to the main shaft; the novel distributing head is arranged on the outer side of a bearing seat close to a main transmission system, the filter plate devices are arranged on a main shaft, adjustable scraper guide wheels are arranged on two sides of each filter plate device, the groove body is provided with a mine drainage groove, an overflow port and a discharge port, and the stirring device is provided with stirring blades and is arranged at a neutral position between the two filter plate devices.
Description
Technical Field
The invention relates to the technical field of solid-liquid separation equipment, in particular to a double-vacuum disc type filter.
Background
The disk vacuum filter is a solid-liquid separation equipment, which is widely applied to industries such as ore dressing plants, coal washing plants, thermal power plants, chemical industry and environmental protection, and the equipment takes vacuum force as driving force to separate solid from liquid of slurry. The filtering area of the conventional disc type vacuum filter is 40-200 square meters, and when the disc type vacuum filter is used for dewatering iron ore concentrates, the equipment is sensitive to fluctuation of the concentration of supplied ore pulp, the treatment capacity and the water content of a filter cake of the disc type vacuum filter cannot be timely adjusted when the concentration of the supplied ore pulp changes, the conventional equipment can only be adjusted by changing the rotating speed of a main shaft, when the ore supply concentration is high, the filter plate device is immersed in the ore pulp, when the filter cake is formed in an adsorption area, the condition that the thickness of the filter cake is too thick easily occurs, under the condition, the rotating speed of the main shaft is generally increased, the time of the filter plate device in the ore pulp adsorption area is shortened, but the rotating speed of the main shaft is increased, the time of the filter plate device from the filter cake dewatering area to a back-blowing ore discharge area is correspondingly shortened, the condition that the thickness of the filter cake is timely thinned, and the water content of the filter cake is still higher can be generated. On the contrary, when the concentration of the ore pulp in the tank body is lower, the rotating speed of the main shaft is usually reduced, the filter plate device stays in the ore pulp adsorption area as much as possible, the thickness of a filter cake is ensured, and the condition that the yield is not up to the standard is easily caused due to the slow rotating speed of the main shaft; in addition, when the back-blowing ore discharging area discharges materials, due to the back-blowing effect of the fan, the filter cloth is in a bulging state and continues to operate, the time for discharging gas into a contraction state through the filter cloth is long, scraping between the filter cloth and an adjustable scraper guide wheel is easy to occur, and finally the filter cloth and even a filter plate device are damaged; and when the disc type vacuum filter is used for treating fine-grained materials, the filter cloth is easy to block, the service life is short, and the filter cloth needs to be frequently replaced. The filter plate device can be slightly deformed in the processes of long-term use and frequent assembly and disassembly, the filter disc can be deflected, and when the deflection angle is larger, the filter plate device is easy to interfere with the ore discharge groove of the tank body, so that equipment is damaged.
Disclosure of Invention
The invention aims at the defects in the prior art and provides a double-vacuum disc type filter which is used for solving the problems of the traditional disc type vacuum filter in the background technology.
In order to achieve the purpose, the invention adopts the following technical scheme that the device comprises a distribution head, a bearing seat, a main transmission system, a main shaft, a groove body, an adjustable scraper guide wheel, a stirring device and a filter plate device.
The stirring device is arranged in the tank body, the main shaft is arranged above the tank body, and the stirring device is parallel to the main shaft; the distribution head is arranged on the outer side of a bearing seat close to the main transmission system, the filter plate devices are arranged on the main shaft, adjustable scraper guide wheels are arranged on two sides of each filter plate device, the tank body is provided with an ore discharge tank, an overflow port and a discharge port, and the stirring device is provided with stirring blades and is arranged at a neutral position between the two filter plate devices.
Further, the dispensing head has 3 independent chambers, respectively: an ore pulp adsorption area, a filter cake dehydration area and a back-blowing ore discharge area; wherein, an ore pulp adsorption interval adjusting pipe connected with the gate valve is independently arranged beside the ore pulp adsorption area, and can be matched with the rotating speed of the adjusting main shaft to adjust the thickness of a filter cake and the treatment capacity of equipment more quickly.
Furthermore, the distribution head is additionally provided with a filter cloth air leakage opening in the back-blowing ore discharge area cavity, so that gas remained in the filter cloth during back blowing of the fan can be rapidly discharged, the filter cloth shrinks, the filter cloth cannot generate interference when passing through the scraper, and the filter cloth is prevented from being damaged.
Furthermore, the adjustable scraper guide wheels are arranged on two sides of the filter plate device, so that when the filter plate device runs, the situation that the filter disc is interfered with the groove body ore discharge groove due to the fact that the filter disc is inclined cannot occur, and equipment damage is avoided.
Furthermore, bearing blocks and bearing bushes are arranged at two ends of the groove body, a main shaft is supported between the two bearing blocks and comprises a central supporting shaft, a filtrate pipe and a connecting pipe.
Furthermore, the filter plate device is pressed through a gland and a locking piece and assembled on a connecting pipe of the main shaft.
Further, the positioning lug plate of the distribution head is positioned on the spindle outside the bearing seat through a compression spring.
Furthermore, an ore feeding box is arranged above the tank body, the ore feeding pipe is positioned between the two adjacent filter plate devices, stirring blades of the stirring device are arranged on the stirring shaft and positioned between the two adjacent filter plate devices, and the stirring transmission and main transmission system is arranged on one side of the tank body.
Furthermore, the guide wheel and the scraper of the adjustable scraper guide wheel are arranged on two sides of the filter plate device; the baffle is arranged on the two side plates of the groove body.
Compared with the prior art, the invention has the beneficial effects.
According to the invention, the adjusting device capable of changing the adsorption angle in the ore pulp adsorption zone is additionally arranged in the chamber of the ore pulp adsorption zone of the distributing head, so that the adsorption area can be changed, thus equipment can more quickly cope with fluctuation of the ore pulp concentration of the incoming material, and the water content of a filter cake and the treatment capacity of the equipment are more efficiently ensured.
According to the invention, the filter cloth air leakage opening is added in the distribution head back-blowing ore discharge area cavity, so that gas left in the filter cloth during back blowing of the fan can be quickly discharged, and the filter cloth contracts, so that the condition of interference can not be generated when the filter cloth passes through the scraper, the failure rate of equipment is reduced, and the service life of the filter cloth is prolonged.
According to the invention, the adjustable scraper guide wheels are arranged on the two sides of the filter plate device, so that the interference between the filter disc and the trough body ore discharge trough due to the deformation of the filter plate device is avoided, the failure rate of the equipment is reduced, and the service life of the equipment is prolonged.
Drawings
The invention is further described with reference to the following figures and detailed description. The scope of the invention is not limited to the following expressions.
FIG. 1 is a schematic diagram of the apparatus of the present invention.
Fig. 2 is a left side view of fig. 1 of the present invention.
Fig. 3 is a schematic structural diagram of a dispensing head according to the present invention.
Fig. 4 is a schematic view of the adjustable squeegee roller of the invention.
In the figure, a distribution head 1, a bearing seat 2, a main transmission system 3, a main shaft 4, a tank body 5, an adjustable scraper guide wheel 6, a stirring device 7, a filter plate device 8, an ore feeding tank 9, a baffle plate 10, a gland 11, a long screw 12, a stirring transmission 13, a distribution head adsorption area 14, a positioning lug plate 15, a distribution head dehydration area 16, a distribution head back flushing area 17, a filter cloth air leakage opening 18, a gate valve 19, a guide wheel 20 and a scraper 21.
Detailed Description
As shown in fig. 1-4, the invention comprises a tank body 5 provided with an ore discharge chute, an overflow port and a discharge port, bearing blocks 2 and bearing bushes are arranged at two ends of the tank body 5, a main shaft 4 is supported between the two bearing blocks 2, and the main shaft 4 comprises a central support shaft, a filtrate pipe, a connecting pipe and the like.
The filter plate device 8 is assembled to the connection pipe of the main shaft 4 by the gland 11 and the long screw 12 by the compression of the nut. The positioning lugs 15 of the dispensing head 1 are positioned on the spindle 4 outside the bearing blocks 2 on both sides by compression springs.
As shown in fig. 3, the dispensing head 1 has 3 independent chambers, respectively: a distribution head adsorption area 14, a distribution head dehydration area 16 and a distribution head back blowing area 17. Wherein, an ore pulp adsorption interval adjusting pipe connected with a gate valve 19 is independently arranged beside the distribution head adsorption area 14, and a filter cloth air leakage port 18 is arranged below the distribution head blowback area 17.
The ore feeding box 9 is arranged above the tank body 5, the ore feeding pipe is positioned between two adjacent filter plate devices 8, the stirring device 7 is arranged below the tank body 5 and is parallel to the main shaft 4, the stirring blades are arranged on the stirring shaft and positioned between the two adjacent filter plate devices 8, and the stirring transmission 13 and the main transmission system 3 are arranged on one side of the tank body. Guide wheels 20 and scrapers 21 are provided on both sides of the filter plate device 8. The baffle 10 is arranged on two side plates of the tank body 5.
When the device operates, the ore feeding box 9 feeds ore pulp into the tank body 5 through the ore feeding pipe, the stirring device 7 at the lower part of the tank body 5 stirs the ore pulp under the driving of the stirring transmission 13, and can change the rotating speed of the stirring device 7 through the frequency converter according to the settling velocity of different minerals, so that the concentration of the ore pulp in the tank body 5 is uniform, the condition of bottom accumulated material can not occur, and the filter plate device 8 is favorable for forming filter cakes with uniform thickness on the surface when the filter plate device works in an ore pulp adsorption area. The main shaft 4 is driven by the main transmission system 3 to run at a constant speed, and the filter plate device 8 rotates along with the main shaft and sequentially passes through the working processes of an ore pulp adsorption zone, a filter cake dehydration zone and a back-blowing ore discharge zone. The concentration change of the ore pulp in the tank body 5 can be judged by observing the thickness of the filter cake in the back flushing ore discharging area. When the filter cake becomes thin and the concentration of the ore pulp is low, the thickness of the filter cake can be ensured by reducing the rotating speed of the main shaft 4 and releasing the gate valve 19 to increase the angle of the ore pulp adsorption area; when the filter cake becomes thick, the thickness of the filter cake can be controlled by increasing the rotating speed of the main shaft 4, closing the gate valve 19 and reducing the angle of the ore pulp adsorption area. When the blowback ore discharge area is unloaded, the fan blows the air into the filter plate device 8 through the distribution head blowback area 17, and the filter cake that adsorbs on the filter cloth drops naturally, discharges through cell body 5 ore discharge groove, and in order to prevent to unload thoroughly during the blowback, the filter cake can be stained with on the cell body 5 or be taken back the ore pulp in, has set up scraper blade 21 in filter plate device 8 both sides, guarantees the efficiency of unloading as far as possible. In order to prevent the equipment from being damaged due to the interference of expanded filter cloth and a scraper blade during back flushing, a filter cloth air leakage opening 18 is additionally arranged below a back flushing pipe, so that the safety and reliability of the equipment are ensured. In addition, in order to prevent the filter disc from being inclined due to the deformation of the filter plate used for a long time, guide wheels 20 are arranged at two sides of the filter plate device 8 to ensure the stable operation of the equipment.
It should be understood that the detailed description of the present invention is only for illustrating the present invention and is not limited by the technical solutions described in the embodiments of the present invention, and those skilled in the art should understand that the present invention can be modified or substituted equally to achieve the same technical effects; as long as the use requirements are met, the method is within the protection scope of the invention.
Claims (1)
1. A double-vacuum disc filter comprises a distribution head, a bearing seat, a main transmission system, a main shaft, a tank body, an adjustable scraper guide wheel, a stirring device and a filter plate device; the device is characterized in that the stirring device is arranged in the tank body, the main shaft is arranged above the tank body, and the stirring device is parallel to the main shaft; the distribution head is arranged at the outer side close to a bearing seat of the main transmission system, the filter plate devices are arranged on the main shaft, adjustable scraper guide wheels are arranged at two sides of each filter plate device, the tank body is provided with an ore discharge tank, an overflow port and a discharge port, and the stirring device is provided with stirring blades and is arranged at a neutral position between the two filter plate devices;
the dispensing head has 3 independent chambers, respectively: an ore pulp adsorption area, a filter cake dehydration area and a back-blowing ore discharge area; wherein, an ore pulp adsorption interval adjusting pipe connected with the gate valve is separately arranged beside the ore pulp adsorption area and can be matched with the rotating speed of the adjusting main shaft to adjust the thickness of a filter cake and the treatment capacity of equipment more quickly;
the distribution head is additionally provided with a filter cloth air leakage opening in the cavity of the back-blowing ore discharge area, so that gas left in the filter cloth during back blowing of the fan can be quickly discharged, the filter cloth shrinks, and the filter cloth cannot generate interference when passing through the scraper;
the adjustable scraper guide wheels are arranged on two sides of the filter plate device, so that when the filter plate device runs, the situation that the filter disc is interfered with the trough body ore discharge trough due to the fact that the filter disc is inclined is avoided, and equipment damage is avoided;
bearing blocks and bearing bushes are arranged at two ends of the tank body, a main shaft is supported between the two bearing blocks and comprises a central support shaft, a filtrate pipe and a connecting pipe;
the filter plate device is pressed tightly through a gland and a locking piece and assembled on a connecting pipe of the main shaft;
the positioning lug plate of the distribution head is positioned on the main shaft at the outer side of the bearing seat through a compression spring;
an ore feeding box is arranged above the tank body, an ore feeding pipe is positioned between two adjacent filter plate devices, stirring blades of a stirring device are arranged on a stirring shaft and positioned between the two adjacent filter plate devices, and a stirring transmission system and a main transmission system are arranged on one side of the tank body;
the guide wheel and the scraper of the adjustable scraper guide wheel are arranged on two sides of the filter plate device; the baffle is arranged on the two side plates of the groove body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011493420.XA CN112403088B (en) | 2020-12-17 | 2020-12-17 | Double-vacuum disc type filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011493420.XA CN112403088B (en) | 2020-12-17 | 2020-12-17 | Double-vacuum disc type filter |
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| Publication Number | Publication Date |
|---|---|
| CN112403088A CN112403088A (en) | 2021-02-26 |
| CN112403088B true CN112403088B (en) | 2022-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011493420.XA Active CN112403088B (en) | 2020-12-17 | 2020-12-17 | Double-vacuum disc type filter |
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| Country | Link |
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| CN (1) | CN112403088B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2257357A1 (en) * | 1971-11-18 | 1973-05-24 | Simonacco Ltd | PROCESS AND DEVICE FOR CONTINUOUS OPERATION OF A ROTATABLE FILTER, PARTIALLY IMMERSED IN A TREATMENT SLUDGE BATH, OF ONE OR MORE DISCS OR OF A DRUM |
| CN201140000Y (en) * | 2007-11-27 | 2008-10-29 | 鞍钢集团矿业公司 | Dish type vacuum filter distribution dish |
| CN205613133U (en) * | 2016-05-06 | 2016-10-05 | 无锡市同至人机械设备制造有限公司 | High -efficient disc filter cloth hydroextractor |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE768591A (en) * | 1971-06-16 | 1971-11-03 | Prayon | WASHING METHOD AND DEVICE FOR A CONTINUOUS FILTER WITH A HORIZONTAL FILTRATION SURFACE AND WITH CELLS. |
| CN1231280C (en) * | 2001-06-12 | 2005-12-14 | 中国铝业股份有限公司 | Methd for improving filtrate distributing tray of horizontal disk filter |
| CN2650846Y (en) * | 2003-10-31 | 2004-10-27 | 江苏省宜兴非金属化工机械厂 | Gas-liquid distributing disc of ceramic filter for improved concentrate dehydration |
| CN101279158B (en) * | 2008-04-11 | 2010-08-25 | 沈阳矿山机器厂磁选设备制造公司 | Disc type vacuum filter for mineral dewater |
-
2020
- 2020-12-17 CN CN202011493420.XA patent/CN112403088B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2257357A1 (en) * | 1971-11-18 | 1973-05-24 | Simonacco Ltd | PROCESS AND DEVICE FOR CONTINUOUS OPERATION OF A ROTATABLE FILTER, PARTIALLY IMMERSED IN A TREATMENT SLUDGE BATH, OF ONE OR MORE DISCS OR OF A DRUM |
| CN201140000Y (en) * | 2007-11-27 | 2008-10-29 | 鞍钢集团矿业公司 | Dish type vacuum filter distribution dish |
| CN205613133U (en) * | 2016-05-06 | 2016-10-05 | 无锡市同至人机械设备制造有限公司 | High -efficient disc filter cloth hydroextractor |
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| Publication number | Publication date |
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| CN112403088A (en) | 2021-02-26 |
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