CN211486608U - Energy-efficient concentrated crystallization device of sodium chloride - Google Patents
Energy-efficient concentrated crystallization device of sodium chloride Download PDFInfo
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- CN211486608U CN211486608U CN201920687720.8U CN201920687720U CN211486608U CN 211486608 U CN211486608 U CN 211486608U CN 201920687720 U CN201920687720 U CN 201920687720U CN 211486608 U CN211486608 U CN 211486608U
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- heat exchanger
- crystallization
- sodium chloride
- evaporation
- crystallization device
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Abstract
The utility model provides a high-efficient energy-conserving sodium chloride concentration crystallization device, including material buffer tank, first heat exchanger, evaporative concentration device, second heat exchanger, evaporative crystallization device and centrifuge device, the material buffer tank passes through first charge-in pipeline and links to each other with first heat exchanger, the export of first heat exchanger links to each other with evaporative concentration device, evaporative concentration device passes through the import of second charge-in pipeline and second heat exchanger and links to each other, the export of second heat exchanger links to each other with the evaporating chamber, one side of crystallizing chamber is connected with first circulating line, evaporative crystallization device, first circulating line, second heat exchanger and third charge-in pipeline form first closed circuit, centrifuge device, second circulating line, second heat exchanger, third charge-in pipeline and evaporative crystallization device form second closed circuit, through preheating the material, the energy consumption can be effectively reduced, and the system operation process is efficient and stable.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a technical field of concentrated crystallization, especially a high-efficient energy-conserving concentrated crystallization device of sodium chloride.
[ background of the invention ]
Sodium chloride is an industrial and living resource widely used in human life, and the industrial production of high-purity sodium chloride is usually realized by an evaporation concentration process, but the traditional evaporation process adopts steam energy to realize evaporation concentration, wherein the traditional evaporation process is most common in the form of a multi-effect evaporation evaporator. However, in recent years, the price of steam is rapidly increased, so that the energy consumption cost of the traditional evaporation form becomes a heavy burden for a large number of enterprises. The existing evaporative crystallization device has the advantages of low production efficiency, high labor intensity, more steam heat loss, high energy consumption and high cost, and can not ensure the quality stability of products, thereby providing a high-efficiency and energy-saving sodium chloride concentration crystallization device.
[ Utility model ] content
The utility model discloses an aim at solving the problem among the prior art, provide a high-efficient energy-conserving concentrated crystallization device of sodium chloride, through preheating the material, can effectual reduction energy consumption, system operation process is high-efficient stable.
In order to realize the purpose, the utility model provides a high-efficiency energy-saving sodium chloride concentration crystallization device, which comprises a material buffer tank, a first heat exchanger, an evaporation concentration device, a second heat exchanger, an evaporation crystallization device and a centrifuge device which are connected in sequence, wherein the material buffer tank is connected with the first heat exchanger through a first feeding pipeline, the outlet of the first heat exchanger is connected with the evaporation concentration device, the evaporation concentration device is connected with the inlet of the second heat exchanger through a second feeding pipeline, the evaporation crystallization device comprises an evaporation chamber and a crystallization chamber which are arranged from top to bottom in sequence, the outlet of the second heat exchanger is connected with the evaporation chamber, the discharge port below the crystallization chamber is connected with the centrifuge device through a discharge pump, one side of the crystallization chamber is connected with a first circulation pipeline, a first circulation pump is arranged on the first circulation pipeline, the outlet of the first circulation pump is connected with the inlet of the second heat exchanger through a pipeline, the evaporative crystallization device, the first circulating pipeline, the second heat exchanger and the third feeding pipeline form a first closed loop, an outlet of the centrifugal device is connected with the second circulating pipeline, a second circulating pump is installed on the second circulating pipeline, an outlet of the second circulating pump is connected with an inlet of the second heat exchanger through a pipeline, and the centrifugal device, the second circulating pipeline, the second heat exchanger, the third feeding pipeline and the evaporative crystallization device form a second closed loop.
Preferably, the top of the evaporation chamber is sequentially provided with a water baffle and a bubble removing plate from top to bottom, the water baffle is of a multi-layer filter screen structure, round meshes are uniformly distributed on the water baffle, air holes are uniformly distributed on the bubble removing plate, the air holes are rectangular, and first spikes bent downwards are uniformly distributed in the circumferential direction of the air holes.
Preferably, a plurality of auxiliary baffle rings are uniformly distributed below the bubble removing plate, the auxiliary baffle rings are fixed under the air holes through a plurality of connecting rods, and second spines are arranged on the outer walls of the auxiliary baffle rings and the outer walls of the connecting rods.
Preferably, the top of the evaporation chamber is also connected with a vacuum system, and the bottom of the crystallization chamber is provided with a stirring device.
Preferably, the steam outlet end of the evaporation concentration device is connected with a first steam compression device, and the secondary steam outlet of the first steam compression device is connected with the first heat exchanger.
Preferably, the steam outlet end of the evaporative crystallization device is connected with a second steam compression device, and a secondary steam outlet of the second steam compression device is connected with a second heat exchanger.
Preferably, a first feeding pump is arranged on the first feeding pipeline, and a second feeding pump is arranged on the second feeding pipeline.
Preferably, the vapor inlet pipes of the first vapor compression device and the second vapor compression device are respectively provided with a vapor control valve.
The utility model has the advantages that: the utility model discloses a material buffer tank, first heat exchanger, the evaporative concentration device, the second heat exchanger, the cooperation of evaporative crystallization device and centrifuge arrangement etc, through preheating the material, utilize the evaporative concentration device to carry out the evaporative crystallization after tentatively concentrating the material, can improve the concentration of material, improve follow-up evaporative crystallization's speed, and through with the evaporative concentration device, the steam of evaporative crystallization device pressurizes and heaies up, as the heat source of two heaters, can realize collecting the reutilization to the secondary steam, can effectual reduction energy consumption, system operation process is high-efficient stable.
The features and advantages of the present invention will be described in detail by embodiments with reference to the accompanying drawings.
[ description of the drawings ]
FIG. 1 is a schematic structural diagram of a high-efficiency energy-saving sodium chloride concentration and crystallization device of the present invention;
FIG. 2 is an enlarged schematic view of a part of the structure of a bubble removing plate of the energy-efficient sodium chloride concentration crystallization device of the present invention;
FIG. 3 is a top view of the internal structure of the air holes of the energy-efficient sodium chloride crystallization device of the present invention.
[ detailed description ] embodiments
Referring to fig. 1 to 3, the utility model relates to a high-efficiency energy-saving sodium chloride concentration crystallization device, which comprises a material buffer tank 1, a first heat exchanger 2, an evaporation concentration device 3, a second heat exchanger 4, an evaporation crystallization device 5 and a centrifuge device 8 which are connected in sequence, wherein the material buffer tank 1 is connected with the first heat exchanger 2 through a first feeding pipeline, an outlet of the first heat exchanger 2 is connected with the evaporation concentration device 3, the evaporation concentration device 3 is connected with an inlet of the second heat exchanger 4 through a second feeding pipeline 30, the evaporation crystallization device 5 comprises an evaporation chamber 51 and a crystallization chamber 52 which are arranged from top to bottom in sequence, an outlet of the second heat exchanger 4 is connected with the evaporation chamber 51, a discharge port below the crystallization chamber 52 is connected with the centrifuge device 8 through a discharge pump 81, one side of the crystallization chamber 52 is connected with a first circulation pipeline 50, install first circulating pump 501 on first circulating line 50, the export of first circulating pump 501 passes through the import of pipeline and second heat exchanger 4 and links to each other, evaporative crystallization device 5, first circulating line 50, second heat exchanger 4 and third feed pipe 40 form first closed loop, centrifuge device 8's exit linkage has second circulating line 80, install second circulating pump 801 on the second circulating line 80, the export of second circulating pump 801 pass through the pipeline with the access connection of second heat exchanger 4, centrifuge device 8, second circulating line 80, second heat exchanger 4, third feed pipe 40 and evaporative crystallization device 5 form the closed loop of second. The top of evaporation chamber 51 is from last to being equipped with breakwater 511 and bubble removal board 512 down in proper order, breakwater 511 is multilayer filter screen structure, the equipartition has circular mesh on the breakwater 511, the equipartition has gas pocket 513 on the bubble removal board 512, the shape of gas pocket 513 is the rectangle, the circumference equipartition of gas pocket 513 has the first spine 514 of buckling downwards. A plurality of auxiliary baffle rings 515 are uniformly distributed below the bubble removing plate 512, the auxiliary baffle rings 515 are fixed under the air holes 513 through a plurality of connecting rods 516, and second spines 517 are arranged on the outer walls of the auxiliary baffle rings 515 and the outer walls of the connecting rods 516. The top of the evaporation chamber 51 is also connected with a vacuum system, and the bottom of the crystallization chamber 52 is provided with a stirring device 53. The steam outlet end of the evaporation concentration device 3 is connected with a first steam compression device 7, and the secondary steam outlet of the first steam compression device 7 is connected with the first heat exchanger 2. The steam outlet end of the evaporative crystallization device 5 is connected with a second steam compression device 6, and the secondary steam outlet of the second steam compression device 6 is connected with the second heat exchanger 4. The first feeding pipeline is provided with a first feeding pump 10, and the second feeding pipeline 30 is provided with a second feeding pump 301. And steam inlet pipelines of the first steam compression device 7 and the second steam compression device 6 are respectively provided with a steam control valve.
The utility model discloses the working process:
the utility model relates to a high-efficient energy-conserving sodium chloride concentration crystallization device, in the in-process of using, utilize the evaporation concentration device to carry out the evaporative crystallization after tentatively concentrating the material, can improve the concentration of material, improve the speed of follow-up evaporative crystallization, utilize circulating line to return the thin solution of the sodium chloride who does not form crystal in the evaporative crystallization device to the evaporative crystallization device reconcentration, obtain the solid crystal salt that the moisture content is low through the dehydration of centrifuge device, the mother liquor that the centrifuge device obtained can return to the evaporative crystallization device circulation evaporation, wherein when heating the concentration, the vapor that produces can only be discharged through removing the bubble board earlier, the effect that can effectual removal bubble, and reduce the influence to vapor discharge speed, effectively avoided remaining organic matter in the sodium chloride solution to get into vacuum system or compressor, guaranteed that vapor compressor and vacuum system normally work, the service life of the equipment is prolonged; and the steam of the evaporation concentration device and the evaporation crystallization device is pressurized and heated to be used as heat sources of the two heaters, so that the secondary steam can be collected and reused, the energy consumption can be effectively reduced, and the system operation process is efficient and stable.
The above-mentioned embodiment is right the utility model discloses an explanation, it is not right the utility model discloses a limited, any right the scheme after the simple transform of the utility model all belongs to the protection scope of the utility model.
Claims (8)
1. The utility model provides a high-efficient energy-conserving concentrated crystallization device of sodium chloride which characterized in that: comprises a material buffer tank (1), a first heat exchanger (2), an evaporation concentration device (3), a second heat exchanger (4), an evaporation crystallization device (5) and a centrifugal machine device (8) which are connected in sequence, wherein the material buffer tank (1) is connected with the first heat exchanger (2) through a first feeding pipeline, an outlet of the first heat exchanger (2) is connected with the evaporation concentration device (3), the evaporation concentration device (3) is connected with an inlet of the second heat exchanger (4) through a second feeding pipeline (30), the evaporation crystallization device (5) comprises an evaporation chamber (51) and a crystallization chamber (52) which are sequentially arranged from top to bottom, an outlet of the second heat exchanger (4) is connected with the evaporation chamber (51), a discharge hole below the crystallization chamber (52) is connected with the centrifugal machine device (8) through a discharge pump (81), one side of the crystallization chamber (52) is connected with a first circulating pipeline (50), install first circulating pump (501) on first circulating line (50), the export of first circulating pump (501) passes through the import of pipeline and second heat exchanger (4) and links to each other, evaporative crystallization device (5), first circulating line (50), second heat exchanger (4) and third feeding pipeline (40) form first closed loop, the exit linkage of centrifugal machine device (8) has second circulating line (80), install second circulating pump (801) on second circulating line (80), the export of second circulating pump (801) pass through the pipeline with the access connection of second heat exchanger (4), centrifugal machine device (8), second circulating line (80), second heat exchanger (4), third feeding pipeline (40) and evaporative crystallization device (5) form second closed loop.
2. The high-efficiency energy-saving sodium chloride concentration crystallization device as claimed in claim 1, characterized in that: the top of evaporating chamber (51) is from last to being equipped with breakwater (511) and removing bubble board (512) down in proper order, breakwater (511) are multilayer filter screen structure, the equipartition has circular mesh on breakwater (511), it has gas pocket (513) to remove the equipartition on bubble board (512), the shape of gas pocket (513) is the rectangle, the circumference equipartition of gas pocket (513) has first spine (514) of buckling downwards.
3. The high-efficiency energy-saving sodium chloride concentration crystallization device as claimed in claim 2, characterized in that: the bubble removing plate is characterized in that a plurality of auxiliary blocking rings (515) are uniformly distributed below the bubble removing plate (512), the auxiliary blocking rings (515) are fixed under the air holes (513) through a plurality of connecting rods (516), and second spines (517) are arranged on the outer walls of the auxiliary blocking rings (515) and the connecting rods (516).
4. The high-efficiency energy-saving sodium chloride concentration crystallization device as claimed in claim 1, characterized in that: the top of the evaporation chamber (51) is also connected with a vacuum system, and the bottom of the crystallization chamber (52) is provided with a stirring device (53).
5. The high-efficiency energy-saving sodium chloride concentration crystallization device as claimed in claim 1, characterized in that: the steam outlet end of the evaporation concentration device (3) is connected with a first steam compression device (7), and a secondary steam outlet of the first steam compression device (7) is connected with the first heat exchanger (2).
6. The high-efficiency energy-saving sodium chloride concentration crystallization device as claimed in claim 5, characterized in that: and the steam outlet end of the evaporative crystallization device (5) is connected with a second steam compression device (6), and a secondary steam outlet of the second steam compression device (6) is connected with a second heat exchanger (4).
7. The high-efficiency energy-saving sodium chloride concentration crystallization device as claimed in claim 1, characterized in that: the first feeding pipeline is provided with a first feeding pump (10), and the second feeding pipeline (30) is provided with a second feeding pump (301).
8. The high-efficiency energy-saving sodium chloride concentration and crystallization device as claimed in claim 6, characterized in that: and steam inlet pipelines of the first steam compression device (7) and the second steam compression device (6) are respectively provided with a steam control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920687720.8U CN211486608U (en) | 2019-05-14 | 2019-05-14 | Energy-efficient concentrated crystallization device of sodium chloride |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920687720.8U CN211486608U (en) | 2019-05-14 | 2019-05-14 | Energy-efficient concentrated crystallization device of sodium chloride |
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| CN211486608U true CN211486608U (en) | 2020-09-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110201414A (en) * | 2019-05-14 | 2019-09-06 | 惠纯科技(浙江)有限公司 | A kind of energy-efficient sodium chloride concentration and crystallization device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110201414A (en) * | 2019-05-14 | 2019-09-06 | 惠纯科技(浙江)有限公司 | A kind of energy-efficient sodium chloride concentration and crystallization device |
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