CN115054978A - Filter is used in phosphoric acid production - Google Patents
Filter is used in phosphoric acid production Download PDFInfo
- Publication number
- CN115054978A CN115054978A CN202210960709.0A CN202210960709A CN115054978A CN 115054978 A CN115054978 A CN 115054978A CN 202210960709 A CN202210960709 A CN 202210960709A CN 115054978 A CN115054978 A CN 115054978A
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- filter
- plate
- spraying
- feeding
- base
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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
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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
- B01D33/44—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
- B01D33/72—Filters with filtering elements which move during the filtering operation having feed or discharge devices for feeding
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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
- B01D33/70—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
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/16—Oxyacids of phosphorus; Salts thereof
- C01B25/18—Phosphoric acid
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/16—Oxyacids of phosphorus; Salts thereof
- C01B25/18—Phosphoric acid
- C01B25/234—Purification; Stabilisation; Concentration
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a filter for producing phosphoric acid, which relates to the technical field of filter equipment and comprises a base, wherein a central cylinder is fixedly arranged in the central area of the base, a rotary cylinder is rotatably arranged on the central cylinder, a plurality of partition plates which are arranged in a circular array are arranged on the rotary cylinder, a filter plate is arranged between every two adjacent partition plates, and a filter area is formed between every two adjacent partition plates and the filter plate; the filter is characterized by further comprising an outer support, wherein a feeding spraying component is rotatably mounted on the outer support, a feeding pipe and a plurality of spraying pipes are arranged on the feeding spraying component, the feeding pipe is used for feeding materials to the filtering area, and the spraying pipes are used for spraying materials to the filtering area; the central cylinder is fixedly provided with a material pushing component for unloading filter cakes; the invention solves the technical problems of fixed-point blanking and difficult dispersion of slurry, has the function of unloading and is convenient for unloading filter cakes.
Description
Technical Field
The invention relates to the technical field of filtering equipment, in particular to a filtering machine for producing phosphoric acid.
Background
Phosphoric acid or orthophosphoric acid, a common mineral acid, is a moderately strong acid. The tetraphosphorus decaoxide is obtained by dissolving tetraphosphorus decaoxide in hot water. Orthophosphoric acid is industrially obtained by treating apatite with sulfuric acid. Phosphoric acid is easily deliquesced in air. Upon heating, water is lost to give pyrophosphoric acid, which is further dehydrated to give metaphosphoric acid. Phosphoric acid is mainly used in pharmaceutical, food, fertilizer and other industries, and can also be used as a chemical reagent.
In the current phosphoric acid production, the filtration is a crucial link, the existing phosphoric acid filtration equipment is generally a rotary table vacuum filter, and the rotary table vacuum filter is high-efficiency vacuum filtration equipment which continuously operates. A plurality of fan-shaped filter chambers are annularly arranged on a main rotary disc which is horizontally arranged, and the upper parts of the filter chambers are provided with filter plates, filter screens and filter cloth; the lower part of the filter chamber is provided with a liquid outlet pipe which is connected with an air staggering disc positioned at the center of the rotary disc. Slurry to be filtered is continuously added from an upper charging hopper, and after filtration, filtrate flows from a lower liquid outlet pipe to a gas-liquid separator through a gas staggering disc; the filter cake is washed for many times and sucked dry and then is conveyed by a discharge screw to be discharged.
However, the prior rotary table vacuum filter has the following technical problems when filtering phosphoric acid slurry: (1) the feeding mode is fixed feeding, so that the slurry is distributed too intensively, and the dispersion time is longer; (2) the existing rotary table vacuum filter is of a circular table type, when the filter cake is unloaded, the filter cake needs to be unloaded from the rotary table, but the existing filter does not have the unloading function, so that the unloading is inconvenient.
The Chinese patent application with publication number CN103638734A discloses a rotary table vacuum filter, which comprises a filter disc, a feed inlet and a discharge screw; further comprising: the scraper is arranged above the filter disc and along the radius direction of the filter disc, and the scraper is arranged between the feeding hole and the discharging spiral; the scraper is provided with a spray pipe in parallel. The revolving stage vacuum filter that this patent provided has increased one or more and has scraped glassware and the shower that suits with it, carries out the filter cake multilayer many times and progressively one by one washes the filtration discharge to the filter effect has been improved. The technical scheme provided by the patent solves the technical problem of scraping filter cakes, so that the filtering effect is improved; however, no practical and effective technical scheme is provided for realizing the technical problems of realizing dispersed feeding and realizing convenient discharging.
Disclosure of Invention
Aiming at the technical problems, the technical scheme provided by the invention can solve the technical problems of fixed-point blanking and difficult dispersion of slurry, has the discharging function and is convenient for discharging filter cakes.
The technical scheme adopted by the invention is as follows: a filter for phosphoric acid production comprises a base, wherein a central cylinder is fixedly arranged in the central area of the base, a rotary cylinder is rotatably arranged on the central cylinder, a plurality of partition plates which are arranged in a circular array are arranged on the rotary cylinder, a filter plate is arranged between every two adjacent partition plates, and a filter area is formed between every two adjacent partition plates and the filter plate; the filter is characterized by further comprising an outer support, wherein a feeding spraying component is rotatably mounted on the outer support, a feeding pipe and a plurality of spraying pipes are arranged on the feeding spraying component, the feeding pipe is used for feeding materials to the filtering area, and the spraying pipes are used for spraying materials to the filtering area; the center cylinder is fixedly provided with a material pushing component, the material pushing component comprises a lifting cylinder fixedly arranged on the center cylinder, a push rod of the lifting cylinder is fixedly connected with a mounting plate, two rotating plates are rotatably arranged on the mounting plate, and a push plate is slidably arranged on the mounting plate.
Further, the base is funnel-shaped, and the inboard bottom of base and two adjacent baffles and the filter plate between two adjacent baffles form the suction filtration cavity, and the baffle is towards the one end of the inboard bottom of base and the inboard bottom contact of base.
Furthermore, a filtrate channel is arranged at the bottom of the inner side of the base, an electromagnetic valve is arranged on the filtrate channel, a discharging plate is movably arranged on the outer side of the base, and transportation equipment is arranged below the region where the discharging plate is located.
Furthermore, a communicating pipe is communicated with the inside of the central cylinder, an air pipe with the same number as the feeding pipe and the spraying pipe is arranged on the communicating pipe, and one end of the communicating pipe is externally connected with a vacuum treatment device.
Furthermore, the rotating drum is provided with air holes which are positioned between every two adjacent partition plates; the top of the rotating cylinder is fixedly connected with a gear ring, the top of the central cylinder is fixedly provided with a second motor, an output shaft of the second motor is fixedly connected with a second gear, and the second gear and the gear ring form a gear pair.
Furthermore, the feeding spraying part comprises a rotating ring, the rotating ring is rotatably installed on an outer support, the spraying pipe and the feeding pipe are fixedly arranged on the rotating ring, a first motor is fixedly installed on the outer support, a first gear is fixedly connected to an output shaft of the first motor, and the first gear and the rotating ring form a gear pair.
Furthermore, a discharge chute is arranged on the circumference of the feeding pipe facing the filtering area, and spraying holes are arranged on the circumference of the spraying pipe facing the filtering area.
Furthermore, the material pushing component also comprises a screw rod assembly, the screw rod assembly comprises a screw rod rotatably arranged on the mounting plate and a guide rail fixedly arranged on the mounting plate, the guide rail is in sliding connection with the push plate, and the push plate and the screw rod form a screw pair; a screw rod motor for driving a screw rod is fixedly arranged on the mounting plate; the mounting panel is provided with a rotating plate motor for driving the rotating plate to rotate, and the push plate is positioned between the two rotating plates.
Compared with the prior art, the invention has the beneficial effects that: (1) in the conventional rotary table filter, the feeding is fixed-point feeding, so that slurry is accumulated at a feeding point, the dispersion needs time, and the filtering efficiency is influenced; (2) the existing rotary table filter has no unloading function and only has a function of conveying filter cakes, and the conveying equipment is used for conveying the filter cakes, so that the filter cakes in a filtering area can be unloaded by a material pushing component before the filter cakes are conveyed by the conveying equipment; (3) for concentrated collection of filtrate, the baffle can scrape off filtrate remaining at the bottom of the suction filtration chamber when the filtration zone is rotated in orientation.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
FIG. 2 is a schematic view of a base structure according to the present invention.
Fig. 3 is a cross-sectional view of the base of the present invention.
Fig. 4 is a schematic structural view of the pushing member of the present invention.
FIG. 5 is a schematic view of the structure of the drum and the partition plate according to the present invention.
Reference numerals: 1-transport equipment; 2-vacuum treatment equipment; 3-external support; 4, a first motor; 5, a first gear; 6-rotating the ring; 7-a feed pipe; 8-a spray pipe; 9-a discharge cylinder; 10-a stripper plate; 11-a base; 12-a filter plate; 13-a separator; 14-a gear ring; 15-motor two; 16-gear two; 17-communicating tube; 18-a rotating drum; 19-a central cartridge; 20-a filtrate channel; 21-an electromagnetic valve; 22-a lifting cylinder; 23-mounting a plate; 24-a screw motor; 25-a screw rod; 26-a guide rail; 27-a push plate; 28-rotating the plate; 29-rotating plate motor.
Detailed Description
The present invention will be further described with reference to specific examples, which are illustrative of the invention and are not to be construed as limiting the invention.
As shown in fig. 1, 2, 3 and 5, a central cylinder 19 is fixedly arranged in the central area of the base 11, a rotary cylinder 18 is rotatably mounted on the central cylinder 19, a plurality of partition plates 13 arranged in a circular array are arranged on the rotary cylinder 18, a filter plate 12 is arranged between every two adjacent partition plates 13, and a filter area is formed between every two adjacent partition plates 13 and the filter plate 12; the base 11 is funnel-shaped, the bottom of the inner side of the base 11, two adjacent partition plates 13 and a filter plate 12 between the two adjacent partition plates 13 form a suction filtration chamber, and one end, facing the bottom of the inner side of the base 11, of each partition plate 13 is in contact with the bottom of the inner side of the base 11; the filter cake discharging device comprises a base 11, and is characterized in that a filtrate channel 20 is arranged at the bottom of the inner side of the base 11, an electromagnetic valve 21 is arranged on the filtrate channel 20, a discharging plate 10 is movably arranged on the outer side of the base 11, a discharging cylinder 9 used for controlling the discharging plate 10 to move is fixedly arranged on the outer side of the base 11, a conveying device 1 is arranged below an area where the discharging plate 10 is located, and the conveying device 1 is used for conveying filter cakes.
The interior of the central cylinder 19 is communicated with communicating pipes 17, the communicating pipes 17 are provided with air pipes with the same number as the sum of the feeding pipes 7 and the spraying pipes 8, one end of each communicating pipe 17 is externally connected with vacuum treatment equipment 2, and the rotary cylinder 18 is provided with air holes which are positioned between every two adjacent partition plates 13; the top of the rotating drum 18 is fixedly connected with a gear ring 14, the top of the central drum 19 is fixedly provided with a second motor 15, an output shaft of the second motor 15 is fixedly connected with a second gear 16, and the second gear 16 and the gear ring 14 form a gear pair; when the rotary drum 18 rotates, the air holes on the air rotary drum 18 are communicated with the air pipe on the communicating pipe 17, and then the air pipe is communicated with the suction filtration chamber.
As shown in fig. 1, the feeding spray part is provided with a feeding pipe 7 and a plurality of spray pipes 8, the feeding pipe 7 is used for feeding materials to the filtering area, and the spray pipes 8 are used for spraying materials to the filtering area; one end of the feed pipe 7 can be externally connected with equipment for conveying slurry, the slurry is fed through the feed pipe 7, one end of the spray pipe 8 can be externally connected with equipment for conveying cleaning water, and the slurry is sprayed through the spray pipe 8; the feeding and spraying part comprises an outer bracket 3, a rotating ring 6 is rotatably arranged on the outer bracket 3, a spraying pipe 8 and a feeding pipe 7 are fixedly arranged on the rotating ring 6, a first motor 4 is fixedly arranged on the outer bracket 3, a first gear 5 is fixedly connected to an output shaft of the first motor 4, and the first gear 5 and the rotating ring 6 form a gear pair; the circumference of the feeding pipe 7 facing the filtering area is provided with a discharge chute, and the circumference of the spraying pipe 8 facing the filtering area is provided with spraying holes.
As shown in fig. 4, the pushing component includes a lifting cylinder 22 fixedly disposed on the central cylinder 19, a mounting plate 23 is fixedly connected to a pushing rod of the lifting cylinder 22, two rotating plates 28 are rotatably mounted on the mounting plate 23, and a pushing plate 27 is slidably mounted on the mounting plate 23; the pushing component also comprises a screw rod component, the screw rod component comprises a screw rod 25 rotatably arranged on the mounting plate 23 and a guide rail 26 fixedly arranged on the mounting plate 23, the guide rail 26 is in sliding connection with a push plate 27, and the push plate 27 and the screw rod 25 form a screw pair; a screw motor 24 for driving a screw 25 is fixedly arranged on the mounting plate 23; a rotating plate motor 29 for driving the rotating plate 28 to rotate is fixedly arranged on the mounting plate 23, and the push plate 27 is positioned between the two rotating plates 28.
The working principle of the invention is as follows: in the existing rotary table filter, the feeding is fixed-point feeding, so that slurry is accumulated at a feeding point, the dispersion needs time, and the filtering efficiency is influenced; in the embodiment, the feeding is carried out through the feeding pipe 7, the first gear 5 is driven by the first motor 4, and the rotating ring 6 rotates under the transmission of the gear, so that the feeding pipe 7 moves around the filtering area and feeds, the slurry is dispersed to the filtering area, the dispersion time is shortened, and the filtering efficiency is improved; similarly, the shower pipe 8 moves around the filtering area and sprays washing water to wash the surface of the filtered cake to remove the phosphoric acid solution attached to the surface of the cake.
A second motor 15 drives a second gear 16, and the rotary drum 18 rotates under the transmission of the gears, so that the orientation change of a filtering area is realized, and the continuous filtering operation is realized; when the air hole on the rotary drum 18 is in butt joint with the air pipe on the communicating pipe 17, the vacuum treatment equipment 2 works to enable the suction filtration chamber to form negative pressure so as to realize suction filtration; phosphoric acid solution flows to the suction filtration chamber through the filter plate 12 and then flows out of a filtrate channel 20 on the suction filtration chamber, and the electromagnetic valve 21 controls the on-off of the filtrate channel 20; when the rotary drum 18 rotates, the partition plate 13 rotates along with the rotary drum 18, and the contact end of the partition plate 13 and the inner bottom of the base 11 carries out scraping operation on the inner bottom of the base 11 so as to scrape phosphoric acid remained on the inner bottom of the base 11, so that the collection efficiency is improved; after the feeding and the filtering are finished, spraying is carried out through a spraying pipe 8, and finally, the filter cake left in the filtering area needs to be unloaded.
The existing rotary table filter does not have a discharging function and only has a function of conveying filter cakes, in the embodiment, the conveying equipment 1 is used for conveying the filter cakes, and the filter cakes in a filtering area need to be discharged before the conveying equipment is used for conveying the filter cakes; namely, the mounting plate 23 is controlled to move by the lifting cylinder 22, so that the two rotary plates 28 and the push plate 27 move to the filtering area, namely, the area formed by the two rotary plates 28 and the push plate 27 is matched with the filtering area, in the filtering area, the rotary plate motor 29 drives the rotary plates 28 to rotate, so that the rotary plate motor 29 concentrates the filter cakes in the filtering area, so that the filter cakes are positioned between the two rotary plate motors 29, at the moment, the interval between the two rotary plates 28 is equal in the length direction of the rotary plates 28, at the moment, the screw rod 25 is driven to rotate by the screw rod motor 24, the push plate 27 moves between the two rotary plates 28 to push the filter cakes out of the filtering area, the unloading cylinder 9 controls the unloading plate 10 to open, and the filter cakes fall from the filtering area to the transportation device 1 to be transported out by the transportation device 1.
The present invention is not limited to the above-described embodiments, and those skilled in the art will be able to make various modifications without creative efforts from the above-described conception and fall within the scope of the present invention.
Claims (7)
1. A filter for phosphoric acid production comprises a base (11), wherein a central cylinder (19) is fixedly arranged in the central area of the base (11), a rotary cylinder (18) is rotatably arranged on the central cylinder (19), a plurality of partition plates (13) which are arranged in a circular array are arranged on the rotary cylinder (18), a filter plate (12) is arranged between every two adjacent partition plates (13), and a filter area is formed between every two adjacent partition plates (13) and the filter plate (12); the method is characterized in that: the filter is characterized by further comprising an outer support (3), wherein a feeding spraying component is rotatably mounted on the outer support (3), a feeding pipe (7) and a plurality of spraying pipes (8) are arranged on the feeding spraying component, the feeding pipe (7) is used for feeding materials to the filtering area, and the spraying pipes (8) are used for spraying materials to the filtering area; a pushing component is fixedly arranged on the central cylinder (19), the pushing component comprises a lifting cylinder (22) fixedly arranged on the central cylinder (19), a push rod of the lifting cylinder (22) is fixedly connected with a mounting plate (23), two rotating plates (28) are rotatably arranged on the mounting plate (23), and a push plate (27) is slidably arranged on the mounting plate; the feeding spraying component comprises a rotating ring (6), the rotating ring (6) is rotatably installed on an outer support (3), a spraying pipe (8) and a feeding pipe (7) are fixedly arranged on the rotating ring (6), a motor I (4) is fixedly installed on the outer support (3), a gear I (5) is fixedly connected to an output shaft of the motor I (4), and the gear I (5) and the rotating ring (6) form a gear pair.
2. The filter for phosphoric acid production according to claim 1, wherein: the base (11) are funnel-shaped, the filter plate (12) between the inboard bottom of base (11) and two adjacent baffle (13) forms the suction filtration cavity, and baffle (13) are towards the inboard one end of bottom of base (11) and the inboard bottom contact of base (11).
3. The filter for phosphoric acid production according to claim 2, wherein: the filter press is characterized in that a filtrate channel (20) is arranged at the bottom of the inner side of the base (11), an electromagnetic valve (21) is arranged on the filtrate channel (20), a discharging plate (10) is movably arranged on the outer side of the base (11), and a conveying device (1) is arranged below an area where the discharging plate (10) is located.
4. The filter for phosphoric acid production according to claim 1, wherein: the central cylinder (19) is internally communicated with a communicating pipe (17), the communicating pipe (17) is provided with air pipes with the same number and the same number as the inlet pipe (7) and the spray pipes (8), and one end of the communicating pipe (17) is externally connected with a vacuum treatment device (2).
5. The filter for phosphoric acid production according to claim 1, wherein: the rotary drum (18) is provided with air holes which are positioned between every two adjacent partition plates (13); the top of the rotating cylinder (18) is fixedly connected with a gear ring (14), the top of the central cylinder (19) is fixedly provided with a second motor (15), an output shaft of the second motor (15) is fixedly connected with a second gear (16), and the second gear (16) and the gear ring (14) form a gear pair.
6. The filter for phosphoric acid production according to claim 4, wherein: the circumference of the feeding pipe (7) facing the filtering area is provided with a discharge chute, and the circumference of the spraying pipe (8) facing the filtering area is provided with spraying holes.
7. The filter for phosphoric acid production according to claim 1, wherein: the pushing component also comprises a screw rod component, the screw rod component comprises a screw rod (25) rotatably mounted on the mounting plate (23) and a guide rail (26) fixedly mounted on the mounting plate (23), the guide rail (26) is in sliding connection with a push plate (27), and the push plate (27) and the screw rod (25) form a screw pair; a screw rod motor (24) for driving a screw rod (25) is fixedly arranged on the mounting plate (23); the mounting plate (23) is fixedly provided with a rotating plate motor (29) for driving the rotating plate (28) to rotate, and the push plate (27) is positioned between the two rotating plates (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210960709.0A CN115054978B (en) | 2022-08-11 | 2022-08-11 | Filter is used in phosphoric acid production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210960709.0A CN115054978B (en) | 2022-08-11 | 2022-08-11 | Filter is used in phosphoric acid production |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115054978A true CN115054978A (en) | 2022-09-16 |
| CN115054978B CN115054978B (en) | 2022-10-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210960709.0A Active CN115054978B (en) | 2022-08-11 | 2022-08-11 | Filter is used in phosphoric acid production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115054978B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107648917A (en) * | 2017-10-31 | 2018-02-02 | 江苏新宏大集团有限公司 | A kind of half water law phosphoric acid rotary vacuum disk fiter |
| US20190054400A1 (en) * | 2016-02-04 | 2019-02-21 | Continuus Pharmaceuticals, Inc. | Continuous Rotary Plate Filter and Methods of Use Thereof |
| CN209161796U (en) * | 2018-11-22 | 2019-07-26 | 四川海天环保能源有限公司 | A kind of high efficiency sewage treatment facility based on FCR |
| CN212731313U (en) * | 2020-06-01 | 2021-03-19 | 广西信发铝电有限公司 | Flat-disc filter |
| CN113069819A (en) * | 2021-03-30 | 2021-07-06 | 辛宁宁 | Treatment device for metallurgical wastewater |
| CN214913997U (en) * | 2021-07-21 | 2021-11-30 | 南京椿烽机械制造有限公司 | Petrochemical product filters edulcoration device |
| CN114146477A (en) * | 2021-11-30 | 2022-03-08 | 甘肃银光化学工业集团有限公司 | Explosive horizontal disc filter device |
| CN216677293U (en) * | 2021-11-30 | 2022-06-07 | 龙佰襄阳钛业有限公司 | Vacuum rotary table filter |
-
2022
- 2022-08-11 CN CN202210960709.0A patent/CN115054978B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20190054400A1 (en) * | 2016-02-04 | 2019-02-21 | Continuus Pharmaceuticals, Inc. | Continuous Rotary Plate Filter and Methods of Use Thereof |
| CN107648917A (en) * | 2017-10-31 | 2018-02-02 | 江苏新宏大集团有限公司 | A kind of half water law phosphoric acid rotary vacuum disk fiter |
| CN209161796U (en) * | 2018-11-22 | 2019-07-26 | 四川海天环保能源有限公司 | A kind of high efficiency sewage treatment facility based on FCR |
| CN212731313U (en) * | 2020-06-01 | 2021-03-19 | 广西信发铝电有限公司 | Flat-disc filter |
| CN113069819A (en) * | 2021-03-30 | 2021-07-06 | 辛宁宁 | Treatment device for metallurgical wastewater |
| CN214913997U (en) * | 2021-07-21 | 2021-11-30 | 南京椿烽机械制造有限公司 | Petrochemical product filters edulcoration device |
| CN114146477A (en) * | 2021-11-30 | 2022-03-08 | 甘肃银光化学工业集团有限公司 | Explosive horizontal disc filter device |
| CN216677293U (en) * | 2021-11-30 | 2022-06-07 | 龙佰襄阳钛业有限公司 | Vacuum rotary table filter |
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| Publication number | Publication date |
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| CN115054978B (en) | 2022-10-25 |
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