CN215916621U - Economical and applicable evaporative crystallization desalination system - Google Patents
Economical and applicable evaporative crystallization desalination system Download PDFInfo
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- CN215916621U CN215916621U CN202121947900.9U CN202121947900U CN215916621U CN 215916621 U CN215916621 U CN 215916621U CN 202121947900 U CN202121947900 U CN 202121947900U CN 215916621 U CN215916621 U CN 215916621U
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Abstract
The utility model discloses an economical and applicable evaporative crystallization desalination system, which comprises a suspension separator connected with a discharge pump of an evaporation system, a vacuum filtration device connected with a liquid outlet end of the suspension separator, a filtrate delivery pump connected with a liquid outlet of the vacuum filtration device, a vacuum pump connected with a vacuum interface of the vacuum filtration device, and a mother liquor tank connected with the filtrate delivery pump; the vacuum filtration device comprises a cylinder body, a filtrate tank arranged at the bottom end of the cylinder body, a flexible top sealing cover arranged at the top end of the cylinder body in a sealing manner, a bottom hole filter plate arranged on the cross section of the cylinder body, an inner cylinder hole filter plate arranged at the top of the bottom hole filter plate in a surrounding and closing manner, and a filtration bag arranged between the inner cylinder hole filter plate and the flexible top sealing cover, wherein the side wall of the cylinder body is provided with a vacuum interface positioned at the side edge of the bottom hole filter plate, and the upper part of the side wall of the cylinder body is provided with a feed inlet penetrating into the inner cylinder hole filter plate and entering the filtration bag. The utility model realizes the improvement of the vacuum filtration efficiency.
Description
Technical Field
The utility model belongs to the technical field of industrial wastewater treatment, and particularly relates to an economical and applicable evaporative crystallization desalination system.
Background
At present, a centrifuge, a filter press and the like are mainly adopted in a desalting mode of a large-scale evaporation crystallization system, and a vacuum filtration mode is adopted for desalting in small-scale single-steaming kettle desalting. The centrifugal machine is greatly influenced by the solid content of the material and the particle size of salt crystals; when the desalting control of the filter press is improper, the feed pipe is easy to be blocked, and when the desalting control is serious, crystals are separated out from the filter cavity of the filter plate to block the filter plate; the vacuum filtration equipment adopted by the single steaming kettle is relatively simple and crude, and cannot meet the higher-requirement desalination standard. The vacuum filtration desalination mode is more convenient to operate, more complete in configuration and more economical to operate.
The existing vacuum filtration desalting device comprises a cylinder wall, a middle bearing separation filter plate and a lower elliptical filtrate tank; the filtrate tank is a negative pressure buffer space during operation, and the vacuum filtration desalination device has the following defects: feed and filtrate levels cannot be controlled; the volume of the filtrate tank is limited, and the flow buffering capacity of the filtrate is small; the vacuum interface and the liquid drainage interface are shared, so a gas-liquid separation device needs to be arranged on a pipeline of the vacuum interface, a pump needs to be arranged on a pipeline of the liquid drainage interface, and the long-time air pumping operation of the pump is greatly examined; the suction filtration area of the middle bearing separation filter plate is limited and is the cross section area of the cylinder wall, and the suction filtration efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problems and provide an economical and applicable evaporation crystallization desalination system so as to improve the vacuum filtration efficiency. In order to achieve the purpose, the technical scheme of the utility model is as follows:
the evaporative crystallization desalination system comprises a suspension separator connected with a discharge pump of the evaporation system, a vacuum filtration device connected with a liquid outlet end of the suspension separator, a filtrate delivery pump connected with a liquid outlet of the vacuum filtration device, a vacuum pump connected with a vacuum interface of the vacuum filtration device, and a mother liquor tank connected with the filtrate delivery pump; the vacuum filtration device comprises a cylinder body, a filtrate tank arranged at the bottom end of the cylinder body, a flexible top sealing cover arranged at the top end of the cylinder body in a sealing manner, a bottom hole filter plate arranged on the cross section of the cylinder body, an inner cylinder hole filter plate arranged at the top of the bottom hole filter plate in a surrounding and closing manner, and a filtration bag arranged between the inner cylinder hole filter plate and the flexible top sealing cover, wherein the side wall of the cylinder body is provided with a vacuum interface positioned at the side edge of the bottom hole filter plate, and the upper part of the side wall of the cylinder body is provided with a feed inlet penetrating into the inner cylinder hole filter plate and entering the filtration bag.
Specifically, two ends of the suction filter bag are respectively hung on two sides of the inner wall of the filter plate with the inner cylinder hole.
Specifically, the flexible deformation space of the flexible top sealing cover is correspondingly matched with the enclosed space of the inner cylinder hole filter plate.
Specifically, a negative pressure space is formed between the inner cylinder hole filter plate and the inner wall of the cylinder body, and a pressure gauge connector communicated with the negative pressure space is arranged at the upper part of the side wall of the cylinder body.
Specifically, the inner wall of the cylinder body is provided with a reinforcing plate for supporting the bottom-layer hole filter plate.
Specifically, a straight cylinder space is formed between the filtrate tank and the bottom layer hole filter plate.
Specifically, a liquid level meter interface is arranged on the side wall of the filtrate tank.
Specifically, the filtrate tank bottom is equipped with the liquid outlet, and the liquid outlet is connected the filtrating delivery pump.
Compared with the prior art, the economic and applicable evaporative crystallization desalination system has the following beneficial effects:
the feeding hole is additionally arranged on the cylinder body, the operation environment of field work is standardized, the flexible top sealing cover sealing structure is suitable for a sealing installation structure of the flexible top sealing cover, and the feeding hole is directly communicated with the suction filtration bag; the liquid level meter interface is additionally arranged, so that the pumping filtration operation process is visualized, the phenomenon that filtrate overflows and is sucked into a vacuum system to cause pollution is avoided, and meanwhile, the phenomenon that the filtrate conveying pump is empty due to too low liquid level and the filtrate conveying pump is lost is avoided; the vacuum interface and the liquid outlet are independently arranged, so that the pollution of a vacuum system is effectively avoided, and a filtrate conveying pump is protected; a straight cylinder space is arranged in the filtrate tank, so that the buffer capacity of the filtrate tank is improved; the bottom layer hole filter plate and the inner cylinder hole filter plate can provide additional suction filtration area, improve the void ratio of unit volume, further improve the suction filtration efficiency, and the suction filtration bag has better filtering effect under the action of negative pressure and the extrusion of the flexible top sealing cover; the whole system realizes high-efficiency suction filtration and desalination and ensures the filter pressing effect.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural view of a vacuum filtration apparatus in this embodiment;
the figures in the drawings represent:
the device comprises a suspension separator 1, a vacuum suction filtration device 2, a cylinder 21, a filtrate tank 22, a flexible top sealing cover 23, a filter plate with 24 bottom holes, a filter plate with 25 inner cylinder holes, a filter bag with 26 suction, a negative pressure space 27, a pressure gauge connector 28, a filtrate delivery pump 3, a liquid outlet 31, a vacuum pump 4, a vacuum connector 41, a feed inlet 5, a reinforcing plate 6, a straight cylinder space 7 and a liquid level meter connector 71.
Detailed Description
The technical solutions in the embodiments of the present invention are described clearly and completely below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments.
Example (b):
referring to fig. 1-2, the present embodiment is an economically applicable evaporative crystallization desalination system, which includes a suspension separator 1 connected to a discharge pump of the evaporation system, a vacuum filtration device 2 connected to a liquid outlet end of the suspension separator 1, a filtrate delivery pump 3 connected to a liquid outlet of the vacuum filtration device 2, a vacuum pump 4 connected to a vacuum interface of the vacuum filtration device 2, and a mother liquor tank connected to the filtrate delivery pump 3.
The vacuum filtration device 2 comprises a cylinder 21, a filtrate tank 22 arranged at the bottom end of the cylinder 21, a flexible top sealing cover 23 arranged at the top end of the cylinder 21 in a sealing manner, a bottom-layer hole filter plate 24 arranged on the cross section of the cylinder 21, an inner-cylinder hole filter plate 25 arranged at the top of the bottom-layer hole filter plate 24 in a surrounding and enclosing manner, and a filtration bag 26 arranged between the inner-cylinder hole filter plate 25 and the flexible top sealing cover 23; the side wall of the cylinder body 21 is provided with a vacuum interface 41 which is positioned at the side edge of the bottom layer hole filter plate 24, and the upper part of the side wall of the cylinder body 21 is provided with a feed inlet 5 which penetrates into the inner cylinder hole filter plate 25 and is connected into the suction filter bag 26.
Two ends of the suction filter bag 26 are respectively hung on two sides of the inner wall of the inner cylinder hole filter plate 25.
The flexible deformation space of the flexible top sealing cover 23 is correspondingly matched with the space enclosed by the inner cylinder hole filter plate 25.
A negative pressure space 27 is formed between the inner cylinder hole filter plate 25 and the inner wall of the cylinder 21, and a pressure gauge port 28 communicated with the negative pressure space 27 is arranged at the upper part of the side wall of the cylinder 21.
The inner wall of the cylinder 21 is provided with a reinforcing plate 6 for supporting the bottom-layer hole filter plate 24.
A straight cylinder space 7 is formed between the filtrate tank 22 and the bottom layer hole filter plate 24, and is used for effectively buffering the filtrate entering the filtrate tank 22.
The side wall of the filtrate tank 22 is provided with a liquid level meter interface 71.
The bottom end of the filtrate tank 22 is provided with a liquid outlet 31, and the liquid outlet 31 is connected with the filtrate delivery pump 3.
The feed inlet 5 is connected with the liquid outlet end of the suspension separator 1.
When the embodiment is applied, the suction filtration bag is placed into the inner cylinder hole filter plate before feeding at the feeding port, the flexible top sealing cover is installed in a sealing mode, and the liquid level switch is touched to stop feeding after the flexible top sealing cover rises to a certain height along with the rising of the feeding material in the suction filtration bag; and (3) performing suction filtration operation through a vacuum connector, wherein the interior of the cylinder body is in a negative pressure state, the flexible top sealing cover pushes the suction filtration bag, the suction filtration bag is extruded in filter holes on the inner cylinder hole filter plate and the bottom layer hole filter plate, filtrate enters a filtrate tank through the filter holes, after the filtrate reaches a certain height, the liquid level meter detects and starts a filtrate conveying pump, the filtrate conveying pump stops operating after the filtrate tank is drained by the filtrate conveying pump, the flexible top sealing cover is opened, and the suction filtration bag is taken out and desalted.
In the embodiment, the feed inlet is additionally arranged on the cylinder body, the operating environment of field work is normalized, the flexible top seal cover sealing mounting structure is suitable for the flexible top seal cover, and the feed inlet is directly communicated with the suction filtration bag; the liquid level meter interface is additionally arranged, so that the pumping filtration operation process is visualized, the phenomenon that filtrate overflows and is sucked into a vacuum system to cause pollution is avoided, and meanwhile, the phenomenon that the filtrate conveying pump is empty due to too low liquid level and the filtrate conveying pump is lost is avoided; the vacuum interface and the liquid outlet are independently arranged, so that the pollution of a vacuum system is effectively avoided, and a filtrate conveying pump is protected; a straight cylinder space is arranged in the filtrate tank, so that the buffer capacity of the filtrate tank is improved; the bottom layer hole filter plate and the inner cylinder hole filter plate can provide additional suction filtration area, improve the void ratio of unit volume, further improve the suction filtration efficiency, and the suction filtration bag has better filtering effect under the action of negative pressure and the extrusion of the flexible top sealing cover; the whole system realizes high-efficiency suction filtration and desalination and ensures the filter pressing effect.
What has been described above are merely some embodiments of the present invention. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the inventive concept thereof, and these changes and modifications can be made without departing from the spirit and scope of the utility model.
Claims (8)
1. An economically applicable evaporative crystallization desalination system, characterized by: the device comprises a suspension separator connected with a discharge pump of an evaporation system, a vacuum filtration device connected with a liquid outlet end of the suspension separator, a filtrate delivery pump connected with a liquid outlet of the vacuum filtration device, a vacuum pump connected with a vacuum interface of the vacuum filtration device, and a mother liquor tank connected with the filtrate delivery pump; the vacuum filtration device comprises a cylinder body, a filtrate tank arranged at the bottom end of the cylinder body, a flexible top sealing cover arranged at the top end of the cylinder body in a sealing manner, a bottom hole filter plate arranged on the cross section of the cylinder body, an inner cylinder hole filter plate arranged at the top of the bottom hole filter plate in a surrounding and closing manner, and a filtration bag arranged between the inner cylinder hole filter plate and the flexible top sealing cover, wherein the side wall of the cylinder body is provided with a vacuum interface positioned at the side edge of the bottom hole filter plate, and the upper part of the side wall of the cylinder body is provided with a feed inlet penetrating into the inner cylinder hole filter plate and entering the filtration bag.
2. An economically viable evaporative crystallization desalination system as defined in claim 1 wherein: two ends of the suction filter bag are respectively hung on two sides of the inner wall of the filter plate with the inner cylinder hole.
3. An economically viable evaporative crystallization desalination system as defined in claim 1 wherein: and the flexible deformation space of the flexible top sealing cover is correspondingly matched with the enclosed space of the inner cylinder hole filter plate.
4. An economically viable evaporative crystallization desalination system as defined in claim 1 wherein: a negative pressure space is formed between the inner cylinder hole filter plate and the inner wall of the cylinder body, and a pressure gauge connector communicated with the negative pressure space is arranged at the upper part of the side wall of the cylinder body.
5. An economically viable evaporative crystallization desalination system as defined in claim 1 wherein: and a reinforcing plate for supporting the bottom-layer hole filter plate is arranged on the inner wall of the cylinder body.
6. An economically viable evaporative crystallization desalination system as defined in claim 1 wherein: and a straight cylinder space is formed between the filtrate tank and the bottom layer hole filter plate.
7. An economically viable evaporative crystallization desalination system as defined in claim 1 wherein: and a liquid level meter connector is arranged on the side wall of the filtrate tank.
8. An economically viable evaporative crystallization desalination system as defined in claim 1 wherein: the bottom end of the filtrate tank is provided with a liquid outlet, and the liquid outlet is connected with a filtrate delivery pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121947900.9U CN215916621U (en) | 2021-08-19 | 2021-08-19 | Economical and applicable evaporative crystallization desalination system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121947900.9U CN215916621U (en) | 2021-08-19 | 2021-08-19 | Economical and applicable evaporative crystallization desalination system |
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| CN215916621U true CN215916621U (en) | 2022-03-01 |
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| CN202121947900.9U Active CN215916621U (en) | 2021-08-19 | 2021-08-19 | Economical and applicable evaporative crystallization desalination system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115671782A (en) * | 2022-11-07 | 2023-02-03 | 中升太环境技术(江苏)有限公司 | Separable crystallization separation equipment suitable for evaporator system |
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2021
- 2021-08-19 CN CN202121947900.9U patent/CN215916621U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115671782A (en) * | 2022-11-07 | 2023-02-03 | 中升太环境技术(江苏)有限公司 | Separable crystallization separation equipment suitable for evaporator system |
| CN115671782B (en) * | 2022-11-07 | 2023-09-19 | 中升太环境技术(江苏)有限公司 | Detachable crystallization separation equipment suitable for evaporator system |
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