CN212396085U - Immersion disc slurry purifying device - Google Patents
Immersion disc slurry purifying device Download PDFInfo
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- CN212396085U CN212396085U CN202021453403.9U CN202021453403U CN212396085U CN 212396085 U CN212396085 U CN 212396085U CN 202021453403 U CN202021453403 U CN 202021453403U CN 212396085 U CN212396085 U CN 212396085U
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Abstract
The utility model discloses an immersion disc slurry purifying device, which comprises an absorption tower, a slurry tank, a vacuum pump, a gas-liquid separation tank, a clear water tank, a tank body, a main shaft, a plurality of filtrate pipes, a plurality of filter discs and a driving device, wherein the main shaft, the plurality of filtrate pipes, the plurality of filter discs and the driving device are positioned in the tank body and drive all the filter discs to rotate along the circumferential direction and the main shaft to rotate; each filter disc is fan-shaped structure, and the filter disc is provided with the inner chamber, has cup jointed the filter cloth on the outer wall of filter disc, and the liquid in the cell body enters into the inner chamber after the filter cloth filters, and each filter disc distributes around the main shaft along circumference in proper order, is provided with air-blowing channel and evacuation passageway in the main shaft, and the device can realize the concentration filtration of low density thick liquid, and difficult jam.
Description
Technical Field
The utility model belongs to the technical field of energy-concerving and environment-protective, a immersion disc thick liquid purifier is related to.
Background
In the wet flue gas desulfurization technology of thermal power plant, under the low-load operating mode, the not good problem of water balance probably appears in unit desulfurization system, influences the defroster and normally washes, and long-term operation leads to the defroster resistance to rise and even blocks up and collapses, influences the security of unit operation.
The solid-liquid separation equipment of the existing disc dehydrator is mainly used for removing large-particle gypsum, the micropores of the device have poor applicability to low-density gypsum slurry, and the device is very easy to block and cannot be suitable for filtering liquid extraction of the low-density gypsum slurry.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned prior art's shortcoming, provide an immersion disc thick liquid purifier, the device can realize the concentrated filtration of low density thick liquid, and is difficult for blockking up.
In order to achieve the above purpose, the immersion disc slurry purifying device of the present invention comprises an absorption tower, a slurry tank, a vacuum pump, a gas-liquid separation tank, a clean water tank, a tank body, a main shaft, a plurality of filtrate pipes, a plurality of filter discs and a driving device for driving all the filter discs to rotate along the circumferential direction and the main shaft;
each filter disc is of a fan-shaped structure and is provided with an inner cavity, filter cloth is sleeved on the outer wall of each filter disc, liquid in the tank body enters the inner cavity after being filtered by the filter cloth, each filter disc is sequentially distributed around the main shaft along the circumferential direction, an air blowing channel and a vacuum pumping channel are arranged in the main shaft, a vacuum pumping port is arranged at the bottom of the side face of the main shaft, an air blowing port is arranged at the top of the side face of the main shaft, one filter disc corresponds to one filter liquid pipe, one end of each filter liquid pipe is connected with the inner cavity of each filter disc, and the other end of each filter liquid pipe is alternatively butted and communicated with the air blowing port and the vacuum pumping port in the rotating;
one end of the air blowing channel is communicated with the air blowing port, and the other end of the air blowing channel is communicated with the air storage tank;
one end of the vacuumizing channel is communicated with the vacuumizing port, the other end of the vacuumizing channel is communicated with an inlet of the gas-liquid separation tank, an inlet of the vacuum pump is communicated with a gas outlet of the gas-liquid separation tank, and a liquid outlet of the gas-liquid separation tank is communicated with the clean water tank;
the outlet of the absorption tower is communicated with the water injection port of the tank body, and the inlet of the slurry tank is communicated with the discharge port at the bottom of the tank body;
an ultrasonic cleaning device and a scraper for scraping off gypsum particles on the filter cloth are arranged in the tank body, and the filter disc sequentially passes through the scraper and the ultrasonic cleaning device in the rotating process;
the scraping plate and the ultrasonic cleaning device are both positioned above the main shaft, and the filter disc sequentially passes through the scraping plate and the ultrasonic cleaning device in the rotating process.
The device also comprises a high-pressure water supply system and a high-pressure washing nozzle arranged in the tank body, wherein the outlet of the high-pressure water supply system is communicated with the inlet of the high-pressure washing nozzle.
The outlet of the slurry tank is communicated with the inlet of the absorption tower.
The buffer tank is communicated with the tank body through a slurry supply pump.
The utility model discloses following beneficial effect has:
immersion disc thick liquid purifier when concrete operation, the thick liquid of absorption tower output enters into the buffer tank, then export to the cell body in through the confession thick liquid pump, each filters the disc and all is located the thick liquid, the thick liquid enters into the inner chamber of filtering the disc after the filter cloth filters, each filters the disc at the rotation in-process, filter the disc and rotate to main shaft below, evacuation mouth and filtrate pipe butt joint intercommunication, at this moment, work as the thick liquid after filtering in the filter disc through the vacuum pump and suction, then through the separation of gas-liquid separation jar, the liquid of isolating enters into the clear water tank, in order to realize the concentrated filtration of low density thick liquid, at this in-process, clear away through scraper blade and ultrasonic cleaning device gypsum granule on the filter cloth, rise to 1150kg/m when gypsum concentration, in the clear water tank3And then, emptying the slurry in the tank body, washing the filter cloth from inside to outside through compressed air, and washing the outside of the filter cloth through high-pressure water so as to avoid the filter cloth from being blocked.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a view showing the installation positions of the middle scraper 7 and the high-pressure washing nozzle 9 of the present invention.
Wherein, 1 is a buffer tank, 2 is a water injection port, 3 is a tank body, 4 is a main shaft, 5 is a filter disc, 6 is a vacuum pumping port, 7 is a scraper, 8 is an ultrasonic cleaning device, 9 is a high-pressure flushing nozzle, 10 is an overflow port, 11 is a discharge port, 12 is a slurry tank, 13 is a vacuum pump, 14 is a gas-liquid separation tank, 15 is a clear water tank, 16 is a gas storage tank, and 17 is a blowing port.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings:
referring to fig. 1 and 2, the immersion type disc slurry purifying apparatus of the present invention includes an absorption tower, a slurry tank 12, a vacuum pump 13, a gas-liquid separation tank 14, a clean water tank 15, a tank body 3, a main shaft 4 located in the tank body 3, a plurality of filtrate pipes, a plurality of filter discs 5, and a driving device for driving all the filter discs to rotate along a circumferential direction and the main shaft 4 to rotate; each filter disc 5 is of a fan-shaped structure, the filter discs 5 are provided with inner cavities, filter cloth is sleeved on the outer walls of the filter discs 5, liquid in the tank body 3 enters the inner cavities after being filtered by the filter cloth, each filter disc 5 is sequentially distributed around the main shaft 4 along the circumferential direction, an air blowing channel and a vacuum pumping channel are arranged in the main shaft 4, a vacuum pumping port 6 is arranged at the bottom of the side surface of the main shaft 4, an air blowing port 17 is arranged at the top of the side surface of the main shaft 4, one filter disc 5 corresponds to one filter liquid pipe, one end of each filter liquid pipe is connected with the inner cavity of the filter disc 5, and the other end of each filter liquid pipe is alternatively butted and communicated with the air blowing port 17 and the vacuum pumping port 6 in the rotating; one end of the blowing channel is communicated with the blowing port 17, and the other end of the blowing channel is communicated with the air storage tank 16; one end of the vacuumizing channel is communicated with the vacuumizing port 6, the other end of the vacuumizing channel is communicated with an inlet of a gas-liquid separating tank 14, an inlet of a vacuum pump 13 is communicated with a gas outlet of the gas-liquid separating tank 14, and a liquid outlet of the gas-liquid separating tank 14 is communicated with a clean water tank 15; the outlet of the absorption tower is communicated with the water injection port 2 of the tank body 3, and the inlet of the slurry tank 12 is communicated with the discharge port 11 at the bottom of the tank body 3; an ultrasonic cleaning device 8 and a scraper 7 for scraping off gypsum particles on the filter cloth are arranged in the tank body 3, and the filter disc 5 sequentially passes through the scraper 7 and the ultrasonic cleaning device in the rotating process.
The scraping plate 7 and the ultrasonic cleaning device 8 are both positioned above the main shaft, and the filter disc 5 sequentially passes through the scraping plate 7 and the ultrasonic cleaning device 8 in the rotating process; the utility model also comprises a high-pressure water supply system and a high-pressure washing nozzle 9 arranged in the groove body 3, wherein, the outlet of the high-pressure water supply system is communicated with the inlet of the high-pressure washing nozzle 9; the outlet of the slurry tank 12 is communicated with the inlet of the absorption tower; the buffer tank 1 is communicated with the tank body 3 through a slurry supply pump.
The utility model discloses a concrete operation process does:
the slurry output by the absorption tower enters the buffer tank 1 and then is output to the tank body 3 through the slurry supply pump, each filter disc 5 is positioned in the slurry, the slurry is filtered by the filter cloth and then enters the inner cavity of the filter disc, and the filter cloth is superfine filter cloth so as to ensure that the solid content of the slurry filtered by the filter cloth meets the standard requirement of the flushing water of the demister (the total suspended solid is less than 1000 mg/L). In the rotation process of each filter disc 5, the filter disc 5 rotates to the lower part of a main shaft 4, a vacuumizing port 6 is in butt joint communication with a filter liquid pipe, at the moment, slurry filtered in the filter disc 5 is sucked through the work of a vacuum pump 13, then the slurry is separated through a gas-liquid separation tank 14, the separated liquid enters a clear water tank 15, the separated gas enters the vacuum pump 13, when the slurry passes through the upper part of the main shaft 4, gypsum particles on filter cloth are scraped through a scraper 7, and then ultrasonic cleaning is carried out through an ultrasonic cleaning device 8;
when the gypsum concentration is increased to 1150kg/m3Afterwards, when the filter cloth needs to be cleaned for the second time, the slurry in the tank body 3 is emptied to the slurry tank 12, the slurry in the tank body 3 is emptied, the air storage tank 16 is opened, the main shaft 4 rotates, when the filter liquor pipe is aligned and communicated with the air blowing port 17, the filter cloth is swept from inside to outside through compressed air in the air storage tank 16, and meanwhile, the filter cloth is washed through high-pressure water sprayed by the high-pressure washing nozzle 9, so that the secondary deep cleaning of the filter cloth is realized, the removal of residual fine particles in the filter cloth is ensured, and the blockage of superfine filter cloth is prevented.
Claims (5)
1. An immersion disc slurry purification device is characterized by comprising an absorption tower, a slurry tank (12), a vacuum pump (13), a gas-liquid separation tank (14), a clear water tank (15), a tank body (3), a main shaft (4) positioned in the tank body (3), a plurality of filtrate pipes, a plurality of filter discs (5) and a driving device for driving all the filter discs to rotate along the circumferential direction and driving the main shaft (4) to rotate;
each filtering disc (5) is of a fan-shaped structure, the filtering discs (5) are provided with inner cavities, filter cloth is sleeved on the outer wall of each filtering disc (5), liquid in the groove body (3) enters the inner cavities after being filtered by the filter cloth, each filtering disc (5) is sequentially distributed around the main shaft (4) along the circumferential direction, an air blowing channel and a vacuum pumping channel are arranged in the main shaft (4), a vacuum pumping port (6) is formed in the bottom of the side face of the main shaft (4), an air blowing port (17) is formed in the top of the side face of the main shaft (4), one filtering disc (5) corresponds to one filtering pipe, one end of each filtering pipe is connected with the inner cavity of the filtering disc (5), and the other end of each filtering pipe is alternatively communicated with the air blowing port (17) and the vacuum pumping port (6) in a butt joint mode in the rotating process of each filtering;
one end of the blowing channel is communicated with the blowing port (17), and the other end of the blowing channel is communicated with the air storage tank (16);
one end of the vacuumizing channel is communicated with the vacuumizing port (6), the other end of the vacuumizing channel is communicated with an inlet of a gas-liquid separation tank (14), an inlet of a vacuum pump (13) is communicated with a gas outlet of the gas-liquid separation tank (14), and a liquid outlet of the gas-liquid separation tank (14) is communicated with a clear water tank (15);
the outlet of the absorption tower is communicated with the water filling port (2) of the tank body (3), and the inlet of the slurry tank (12) is communicated with the discharge port (11) at the bottom of the tank body (3);
an ultrasonic cleaning device (8) and a scraper (7) used for scraping off gypsum particles on the filter cloth are arranged in the groove body (3), and the filter disc (5) sequentially passes through the scraper (7) and the ultrasonic cleaning device in the rotating process.
2. A submerged disc slurry purification apparatus according to claim 1, characterized in that the scraper (7) and the ultrasonic cleaning device (8) are located above the main shaft, and the filter disc (5) passes the scraper (7) and the ultrasonic cleaning device (8) in sequence during rotation.
3. The immersion disc slurry purification apparatus according to claim 1, further comprising a high pressure water supply system and a high pressure washing nozzle (9) disposed in the tank body (3), wherein an outlet of the high pressure water supply system is communicated with an inlet of the high pressure washing nozzle (9).
4. Submerged disc slurry purification apparatus according to claim 1, characterized in that the outlet of the slurry tank (12) communicates with the inlet of the absorption tower.
5. Immersion disc slurry purification apparatus according to claim 1, wherein the buffer tank (1) is in communication with the tank (3) via a slurry supply pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021453403.9U CN212396085U (en) | 2020-07-21 | 2020-07-21 | Immersion disc slurry purifying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021453403.9U CN212396085U (en) | 2020-07-21 | 2020-07-21 | Immersion disc slurry purifying device |
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| Publication Number | Publication Date |
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| CN212396085U true CN212396085U (en) | 2021-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021453403.9U Active CN212396085U (en) | 2020-07-21 | 2020-07-21 | Immersion disc slurry purifying device |
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| CN (1) | CN212396085U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111744255A (en) * | 2020-07-21 | 2020-10-09 | 西安西热锅炉环保工程有限公司 | Immersion disc slurry purifying device |
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2020
- 2020-07-21 CN CN202021453403.9U patent/CN212396085U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111744255A (en) * | 2020-07-21 | 2020-10-09 | 西安西热锅炉环保工程有限公司 | Immersion disc slurry purifying device |
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