CN112535893B - Drum vacuum press dehydrator - Google Patents
Drum vacuum press dehydrator Download PDFInfo
- Publication number
- CN112535893B CN112535893B CN202011526525.0A CN202011526525A CN112535893B CN 112535893 B CN112535893 B CN 112535893B CN 202011526525 A CN202011526525 A CN 202011526525A CN 112535893 B CN112535893 B CN 112535893B
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- vacuum
- filter cloth
- rotary drum
- squeezing
- roller
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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
- B01D33/35—Filters with filtering elements which move during the filtering operation with multiple filtering elements characterised by their mutual disposition
- B01D33/41—Filters with filtering elements which move during the filtering operation 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
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/04—Filters with filtering elements which move during the filtering operation with filtering bands or the like supported on cylinders which are impervious for filtering
-
- 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
- B01D33/056—Construction of filtering bands or supporting belts, e.g. devices for centering, mounting or sealing the filtering bands or the supporting belts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/06—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums
- B01D33/067—Construction of the filtering drums, e.g. mounting or sealing arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/06—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums
- B01D33/073—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums arranged for inward flow filtration
-
- 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
- B01D33/463—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element nozzles
-
- 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
- B01D33/72—Filters with filtering elements which move during the filtering operation having feed or discharge devices for feeding
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/80—Accessories
- B01D33/802—Device for changing the inclination of the filtering element
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention relates to a rotary drum vacuum squeezing dehydrator, which comprises a frame, a vacuum rotary drum arranged on the frame, a feeding device, an upper filter cloth, a lower filter cloth, a driving device and a plurality of vacuum squeezing rollers, wherein the side of the vacuum rotary drum is provided with the feeding device, one vacuum squeezing roller is tangential to the vacuum rotary drum, the other vacuum squeezing rollers are orderly arranged behind the vacuum rotary drum, one end of the upper filter cloth winds the vacuum rotary drum through the feeding device, winds a plurality of vacuum squeezing rollers, ascends through a discharging roller I and is connected with the other end of the upper filter cloth to form a closed loop, one end of the lower filter cloth winds the plurality of vacuum squeezing rollers through the tangential position of the vacuum squeezing rollers and descends through the discharging roller II and is connected with the other end of the lower filter cloth to form a squeezing filter interlayer at the overlapping part of the upper filter cloth and the vacuum rotary drum and the plurality of vacuum squeezing rollers. The invention has the advantages of better removing the moisture of the filter cloth under the double functions of shearing force and vacuum, small whole volume of the device, no need of excessive torsion and great reduction of energy consumption.
Description
Technical Field
The invention belongs to the technical field of vacuum filtration, and particularly relates to a rotary drum vacuum squeezing dehydrator.
Background
The traditional filter press is a belt filter press (see figure 1), and is divided into a vacuum area and a pressing area, materials are fed through a feed inlet 1 and then subjected to vacuum suction filtration through a filter disc 2 to form filter cakes, the filter cakes enter a pressing area 3, the filter cakes are pressed through a plurality of rollers and finally discharged through a discharging end 4, the vacuum suction filtration area of the equipment needs to occupy more space, and the rear pressing area only relies on the shearing force of the rollers to remove water, so that the filter effect is poor, the cost is high, and the energy consumption is high.
In Chinese patent literature, the utility model name is a vacuum filter with a filter pressing function, and the publication number is CN203678133U discloses a filtering system, which comprises a vacuum rotary drum, a first filter cloth and a second filter cloth, wherein one end of the first filter cloth bypasses the vacuum rotary drum and a plurality of first guide rollers and is connected with the other end of the first filter cloth to form a closed ring shape, one end of the second filter cloth bypasses the vacuum rotary drum and a plurality of second guide rollers and is connected with the other end of the second filter cloth to form a closed ring shape, the second filter cloth covers the first filter cloth with a part contacted with the vacuum rotary drum to form a filtering interlayer, the first filter cloth and the second filter cloth move in the same direction, the first filter cloth and the second filter cloth are separated at the top of the vacuum rotary drum, and a section of horizontal section is arranged as a material conveying section after separation. The feeding system in the technical scheme conveys materials to the filter cloth through gravity sedimentation, in addition, the scheme is mainly used for filter pressing and dehydration through vacuum and filter pressing, the feeding system has certain requirements on the volume of the vacuum rotary drum, and therefore the space is large, more torsion is needed, and the energy consumption is high.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a rotary drum vacuum squeezing dehydrator, which aims to better remove the moisture of filter cloth under the double functions of shearing force and vacuum, has small integral volume, does not need excessive torsion force, and greatly reduces energy consumption.
The invention relates to a rotary drum vacuum squeezing dehydrator, which comprises a frame, a vacuum rotary drum arranged on the frame, a feeding device, an upper filter cloth, a lower filter cloth and a driving device, and is characterized by also comprising a plurality of vacuum squeezing rollers, wherein one vacuum squeezing roller is tangential to the vacuum rotary drum, and the other vacuum squeezing rollers are orderly sequenced behind the vacuum rotary drum;
One end of the lower filter cloth bypasses the plurality of vacuum press rollers through the tangent position of the vacuum press roller and the vacuum rotary drum, and is connected with the other end of the lower filter cloth to form a closed loop after descending through the unloading roller II;
The upper filter cloth and the lower filter cloth form extrusion filtering interlayers at the overlapping parts of the vacuum rotary drum and the vacuum squeezing rollers, and the separation parts of the upper filter cloth and the lower filter cloth through the discharging rollers are discharging openings;
the upper filter cloth and the lower filter cloth synchronously move, the overall movement directions are opposite, and the upper filter cloth and the lower filter cloth move in the same direction when extruding the filter interlayer.
Further, the upper filter cloth is wound on 5/6-11/12 of the circumference of the vacuum rotary drum, and the lower filter cloth is wound on 3/4-1/6 of the circumference of the vacuum rotary drum.
Further, a vacuum pipeline is arranged in the vacuum press roller, a vacuum adsorption port connected with the vacuum pipeline is arranged on the surface of the vacuum press roller, grooves are engraved on the surface of the vacuum press roller, and the grooves are connected with the vacuum adsorption port to form a vacuum area on the surface of the vacuum press roller.
The vacuum press rollers are at least composed of one press roller, the surfaces of the vacuum press rollers are wrapped with filter cloth, and the vacuum press rollers are sequentially staggered to form a zigzag structure.
Further, the feeding device comprises a feeding hopper and an arc-shaped hopper, wherein the arc-shaped hopper is sleeved on the vacuum rotary drum and is matched with the vacuum rotary drum and the upper filter cloth to form a filter cake with the slurry.
The scraper comprises a scraper plate and a scraper fixing frame for fixing the scraper plate on the frame, wherein the scraper plate is arranged at the position of the unloading roller and is in contact with filter cloth on the unloading roller to clean the filter cloth.
Further, the cleaning device comprises a cleaning spray head arranged on the frame and a water receiving disc arranged below the cleaning spray head, and the cleaning device is arranged behind the discharge opening.
Further, the device comprises tensioning devices which are respectively arranged at the upper filter cloth and the lower filter cloth, wherein the tensioning devices comprise tensioning cylinders, tensioning rods with one ends connected with the tensioning cylinders, tensioning wheels arranged on the tensioning rods and opposite to the tensioning cylinders, and the other ends of the tensioning rods are hinged to the frame.
Further, the device also comprises a liquid discharge tank, wherein a vacuum pipeline of the vacuum squeezing roller is connected with the liquid discharge tank, and the extracted waste liquid is stored in the liquid discharge tank and is discharged through the liquid discharge tank.
Further, a vacuum pipeline of the vacuum squeeze roller close to the discharge opening is connected with a high-pressure air tank, and high-pressure air is blown to the upper filter cloth and the lower filter cloth through the vacuum adsorption opening.
The invention has the advantages of high degree of automation, capability of continuously completing the functions of feeding, suction filtration, squeezing, filter cloth regeneration and the like, extremely high production efficiency, two-in-one ceramic filter and filter press, maximum removal of water, reasonable structure, low equipment failure rate, convenient maintenance, small volume, low manufacturing cost, low energy consumption and strong adaptability.
Drawings
FIG. 1 is a schematic diagram of a prior art structure;
FIG. 2 is a schematic overall structure of an embodiment of the present invention;
FIG. 3 is a schematic side elevational view of an embodiment of the present invention;
FIG. 4 is a simplified structural schematic of an embodiment of the present invention;
FIG. 5 is a schematic view of a vacuum press roll configuration of an embodiment of the present invention;
FIG. 6 is a schematic cross-sectional view of a vacuum press roll of an embodiment of the present invention.
The drawing comprises the following reference numerals of 1, a frame, 2, a vacuum rotary drum, 3, a vacuum squeezing roller, 4, an upper filter cloth, 5, a lower filter cloth, 61, a feeding hopper, 62, an arc-shaped hopper, 71, a discharging roller I, 72, a discharging roller II, 81, an upper filter cloth cleaning spray head, 82, an upper filter cloth water receiving disc, 83, a lower filter cloth cleaning spray head, 91, a tensioning cylinder, 92, a tensioning wheel, 93, a tensioning rod, 31, a vacuum adsorption port, 32, a vacuum pipeline, 33, a groove, 10, a redirecting roller, 11, a deviation correcting roller, 12, a scraping plate, 13 and a liquid discharge tank.
Detailed Description
The present invention will be described in further detail with reference to examples below in order to make the objects and technical solutions of the present invention more apparent.
As shown in figures 1-3, the rotary drum vacuum squeezing dehydrator comprises a frame 1, a vacuum rotary drum 2 arranged on the frame, a feeding device arranged on the side of the vacuum rotary drum 2, upper and lower filter fabrics 4, 5, a driving device and a plurality of vacuum squeezing rollers 3, wherein one vacuum squeezing roller 3 is tangent to the vacuum rotary drum 2, and the rest vacuum squeezing rollers are sequentially sequenced behind the vacuum rotary drum 2.
One end of the upper filter cloth 4 winds the vacuum rotary drum 2 through the feeding device, winds a plurality of vacuum press rollers 3, and is connected with the other end of the upper filter cloth after ascending through the discharging roller I71 to form a closed loop, and one end of the lower filter cloth 5 winds the plurality of vacuum press rollers 3 through the tangent position of the vacuum press rollers 3 and the vacuum rotary drum 2, and is connected with the other end of the lower filter cloth to form a closed loop after descending through the discharging roller II 72;
The upper filter cloth 4 and the lower filter cloth 5 form an extrusion filtering interlayer at the overlapping part with the vacuum rotary drum 2 and the plurality of vacuum squeezing rollers 3, the separation part of the upper filter cloth and the lower filter cloth is a discharge opening through a discharge roller, the upper filter cloth and the lower filter cloth synchronously move, the whole movement directions are opposite, and the upper filter cloth and the lower filter cloth move in the same direction in the extrusion filtering interlayer.
The upper filter cloth 4 is wound on 5/6-11/12 of the circumference of the vacuum rotary drum 2, and the lower filter cloth 5 is wound on 3/4-1/6 of the circumference of the vacuum rotary drum 2.
The driving device drives the upper filter cloth and the lower filter cloth to synchronously run, slurry enters a vacuum drum slurry area from the feeding device, solid-liquid separation is realized under the vacuum action of the vacuum drum, filter cakes formed after preliminary dehydration of the slurry enter a wrapping area of the upper filter cloth and the lower filter cloth through the driving of the upper filter cloth, the water content of the filter cakes is removed to the greatest extent through repeated squeezing of a plurality of groups of vacuum squeezing rollers, the dehydrated filter cakes continue to run along with the upper filter cloth and the lower filter cloth under the driving device, and the filter cakes are discharged from the discharging device (not shown in the figure) at the discharging roller.
Optionally, a vacuum pipeline 32 is arranged in the vacuum press roller 3, a vacuum adsorption port 31 connected with the vacuum pipeline 32 is arranged on the surface of the vacuum press roller 3, a groove 33 is engraved on the surface of the vacuum press roller 3, and the groove is connected with the vacuum adsorption port to form a vacuum area on the surface of the vacuum press roller. In the embodiment, under the condition of keeping the shearing force of the press roll, the vacuumizing function is added in the press roll, the filter cake and the water extruded into the filter cloth are better removed through the dual functions of the shearing force and the vacuum pumping force of the vacuum press roll, in addition, the filtrate generated by extrusion is directly pumped away by the vacuum tube 32 paths, waste liquid is not formed, and the environmental pollution is reduced. Grooves are engraved on the surface of the vacuum rotary drum, and the grooves are communicated with a vacuum pipeline through vacuum adsorption ports to form a fixed vacuum area on the surface of the rotary drum, so that the continuous vacuum pumping in the fixed area is realized.
Optionally, a vacuum pipeline of the vacuum press roll 3 near the discharge port is connected with a high-pressure air tank, and high-pressure air is blown to the upper and lower filter fabrics through the vacuum adsorption port. As another embodiment of the present invention, in order to clean the materials on the upper and lower filter cloths better, a high pressure air may be connected to the last set of vacuum press rolls, which are provided according to the moisture condition of the materials, and the materials attached to the upper and lower filter cloths are blown off by the high pressure air.
Optionally, the vacuum press roller 3 is at least composed of one press roller, the surface of the vacuum press roller is wrapped with filter cloth, and the plurality of vacuum press rollers are sequentially staggered to form a plurality of zigzag structures. In the embodiment, the filter cloth is wrapped on the surface of the vacuum rotary drum, the filter cake is directly adsorbed on the filter cloth through the rotation of the vacuum rotary drum 2, the squeezing part of the vacuum squeezing roller 3 consists of a plurality of squeezing parts, and the number of the squeezing rollers can be expanded according to the requirements of specific processes or the characteristics of materials, so that the moisture absorption is improved. The plurality of vacuum squeezing rollers 3 form a plurality of smooth zigzag structures on the upper and lower filter fabrics 4, 5, so that the filter cake is repeatedly squeezed by the vacuum squeezing rollers under the wrapping of the upper and lower filter fabrics.
Optionally, the feeding device comprises a feeding hopper 61 and an arc-shaped hopper 62, wherein the arc-shaped hopper 62 is sleeved on the vacuum rotary drum 2 and is matched with the vacuum rotary drum 2 and the upper filter cloth 4 to form a filter cake from slurry. As another embodiment of the invention, one end of the upper filter cloth is wound around the vacuum rotary drum through the feeding device, then wound around a plurality of vacuum squeezing rollers, and is connected with the other end of the upper filter cloth to form a closed loop after ascending through the discharging roller I; in the embodiment, the upper filter cloth and the lower filter cloth are discharged through the discharge rollers after meeting outside the arc-shaped hopper, wherein the radian of the arc-shaped hopper is more than 180 degrees and less than 270 degrees.
Optionally, the device also comprises a scraping device arranged on the frame, wherein the scraping device comprises a scraping plate 12 and a scraping fixing frame used for fixing the scraping plate 12 on the frame, and the scraping plate is arranged at the discharging rollers 71 and 72 and is in contact with filter cloth on the discharging rollers to clean the filter cloth.
Optionally, the device also comprises a cleaning device, wherein the cleaning device comprises an upper filter cloth cleaning spray head 81, an upper filter cloth water receiving disc 82, a lower filter cloth cleaning spray head 83 and a lower filter cloth water receiving disc (not shown in the figure), the upper filter cloth cleaning spray head 81 is arranged on the frame and used for cleaning upper filter cloth, the upper filter cloth water receiving disc 82 is arranged below the upper filter cloth cleaning spray head, the lower filter cloth cleaning spray head 83 is used for cleaning lower filter cloth, and the lower filter cloth water receiving disc (not shown in the figure) is arranged below the lower filter cloth cleaning spray head, and the cleaning device is arranged behind the discharge opening.
Optionally, the device also comprises tensioning devices respectively arranged at the upper filter cloth and the lower filter cloth, wherein the tensioning devices comprise a tensioning cylinder 91, a tensioning rod 93 with one end connected with the tensioning cylinder, and a tensioning wheel 92 arranged on the tensioning rod and opposite to the tensioning cylinder, and the other end of the tensioning rod is hinged on the frame.
Optionally, the device further comprises a liquid draining tank, wherein a vacuum pipeline 32 of the vacuum squeezing roller 3 is connected with the liquid draining tank 13, and the extracted waste liquid is stored in the liquid draining tank and then is drained through the liquid draining tank.
Optionally, another embodiment of the present invention further comprises a redirection roller 10 disposed at the ends of the upper and lower filter cloths for changing the movement direction of the filter cloths, and a deviation rectifying roller 11 for rectifying the deviation of the upper and lower filter cloths.
The device has the working process that the device runs, a driving device drives an upper filter cloth and a lower filter cloth to synchronously run, slurry enters a vacuum drum slurry tank from a feeding hopper, solid-liquid separation is realized under the action of vacuum, a formed filter cake is driven by the upper filter cloth and the lower filter cloth to enter a plurality of groups of vacuum squeezing rollers for repeated squeezing, squeezed water is instantaneously pumped away, filtrate is pumped from the inside of the roller to drain and irrigate through a pipeline, and then is automatically discharged, the dewatered filter cake continuously runs synchronously along with the upper filter cloth and the lower filter cloth, the filter cake is discharged from a discharging device at a discharging roller, the filter cloth after the filter cake is discharged is cleaned by a cleaning device to obtain regeneration, and then enters the feeding hopper again after passing through a deviation correcting device and a tensioning device to enter the next filtering period.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (7)
1. The rotary drum vacuum squeezing dehydrator comprises a frame (1), a vacuum rotary drum (2) arranged on the frame, a feeding device, upper and lower filter cloths (4, 5) and a driving device arranged on the side of the vacuum rotary drum, and is characterized by also comprising a plurality of vacuum squeezing rollers (3), wherein one vacuum squeezing roller (3) is tangent to the vacuum rotary drum (2), and the rest vacuum squeezing rollers are orderly arranged behind the vacuum rotary drum;
One end of the upper filter cloth (4) winds the vacuum rotary drum through the feeding device, winds a plurality of vacuum squeezing rollers, and is connected with the other end of the upper filter cloth to form a closed loop after ascending through the discharging roller I (71), one end of the lower filter cloth (5) winds a plurality of vacuum squeezing rollers through the tangent position of the vacuum squeezing rollers and the vacuum rotary drum, and is connected with the other end of the lower filter cloth to form a closed loop after descending through the discharging roller II (72);
The upper filter cloth and the lower filter cloth form extrusion filtering interlayers at the overlapping parts of the vacuum rotary drum and the vacuum squeezing rollers, and the separation parts of the upper filter cloth and the lower filter cloth through the discharging rollers are discharging openings;
the upper filter cloth and the lower filter cloth synchronously move, the overall movement directions are opposite, and the upper filter cloth and the lower filter cloth move in the same direction in the extrusion filtering interlayer;
The upper filter cloth (4) is wound on 5/6-11/12 of the circumference of the vacuum rotary drum (2), and the lower filter cloth (5) is wound on 3/4-1/6 of the circumference of the vacuum rotary drum (2);
The vacuum squeezing rollers (3) are at least composed of one squeezing roller, the surfaces of the vacuum squeezing rollers are wrapped with filter cloth, and a plurality of vacuum squeezing rollers are orderly staggered to form a zigzag structure;
The feeding device comprises a feeding hopper (61) and an arc-shaped hopper (62), wherein the arc-shaped hopper is sleeved on the vacuum rotary drum and is matched with the vacuum rotary drum and the upper filter cloth to form a filter cake with slurry.
2. The rotary drum vacuum squeezing dehydrator according to claim 1, characterized in that a vacuum pipeline (32) is arranged in the vacuum squeezing roller (3), a vacuum adsorption port (31) connected with the vacuum pipeline is arranged on the surface of the vacuum squeezing roller, grooves (33) are engraved on the surface of the vacuum squeezing roller, and the grooves are connected with the vacuum adsorption port to form a vacuum area on the surface of the vacuum squeezing roller.
3. The rotary drum vacuum squeezing dehydrator according to claim 1, further comprising a scraping device arranged on the frame, wherein the scraping device comprises a scraping plate (10) and a scraping fixing frame for fixing the scraping plate on the frame, and the scraping plate is arranged at the unloading roller and is in contact with filter cloth on the unloading roller to clean the filter cloth.
4. The rotary drum vacuum press dehydrator of claim 1, further comprising a cleaning device comprising a cleaning nozzle disposed on the frame and a water pan disposed below the cleaning nozzle, the cleaning device disposed behind the discharge opening.
5. The rotary drum vacuum squeezing dehydrator according to claim 1, further comprising tensioning devices respectively arranged at the upper filter cloth and the lower filter cloth, wherein the tensioning devices comprise tensioning cylinders (91), tensioning rods (93) with one ends connected with the tensioning cylinders, tensioning wheels (92) arranged on opposite sides of the tensioning cylinders on the tensioning rods, and the other ends of the tensioning rods are hinged to the frame.
6. The rotary drum hollow press dehydrator according to claim 2, further comprising a drainage tank, wherein the vacuum pipeline of the vacuum press roll is connected with the drainage tank (13), and the extracted waste liquid is stored in the drainage tank and is drained through the drainage tank.
7. The rotary drum hollow press dehydrator according to claim 2, wherein a vacuum pipe of the vacuum press roll near the discharge port is connected to a high pressure air tank, and high pressure air is blown to the upper and lower filter cloths through the vacuum adsorption port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011526525.0A CN112535893B (en) | 2020-12-22 | 2020-12-22 | Drum vacuum press dehydrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011526525.0A CN112535893B (en) | 2020-12-22 | 2020-12-22 | Drum vacuum press dehydrator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112535893A CN112535893A (en) | 2021-03-23 |
| CN112535893B true CN112535893B (en) | 2025-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011526525.0A Active CN112535893B (en) | 2020-12-22 | 2020-12-22 | Drum vacuum press dehydrator |
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| Country | Link |
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| CN (1) | CN112535893B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115231796B (en) * | 2022-09-02 | 2024-08-27 | 青岛核盛智能环保设备有限公司 | Sludge dewatering machine |
| CN115845465A (en) * | 2022-11-01 | 2023-03-28 | 江苏新宏大集团有限公司 | Squeezing vacuum back-blowing dewatering system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2243328Y (en) * | 1995-02-09 | 1996-12-25 | 陈希杰 | Combined belt vacuum filter press |
| CN103285647A (en) * | 2013-05-29 | 2013-09-11 | 烟台桑尼核星环保设备有限公司 | Vacuum presser |
| CN214287020U (en) * | 2020-12-22 | 2021-09-28 | 青岛核盛智能环保设备有限公司 | Rotary drum vacuum squeezing dehydrator |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205391902U (en) * | 2016-02-19 | 2016-07-27 | 中湘钨业股份有限公司 | Tungsten ore ore dressing vacuum filter |
| CN110215755A (en) * | 2019-05-15 | 2019-09-10 | 湖州核工惠能环保过滤科技有限公司 | A kind of vacuum change chamber belt filter press |
-
2020
- 2020-12-22 CN CN202011526525.0A patent/CN112535893B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2243328Y (en) * | 1995-02-09 | 1996-12-25 | 陈希杰 | Combined belt vacuum filter press |
| CN103285647A (en) * | 2013-05-29 | 2013-09-11 | 烟台桑尼核星环保设备有限公司 | Vacuum presser |
| CN214287020U (en) * | 2020-12-22 | 2021-09-28 | 青岛核盛智能环保设备有限公司 | Rotary drum vacuum squeezing dehydrator |
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| CN112535893A (en) | 2021-03-23 |
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