CN201643771U - Forced circulation continuous crystallizing system with function of mechanical steam recompression - Google Patents
Forced circulation continuous crystallizing system with function of mechanical steam recompression Download PDFInfo
- Publication number
- CN201643771U CN201643771U CN2009202744720U CN200920274472U CN201643771U CN 201643771 U CN201643771 U CN 201643771U CN 2009202744720 U CN2009202744720 U CN 2009202744720U CN 200920274472 U CN200920274472 U CN 200920274472U CN 201643771 U CN201643771 U CN 201643771U
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- pipe
- crystallizer
- pipeline
- compressor
- pump
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Abstract
The utility model relates to a continuous crystallizing system, in particular to a forced circulation continuous crystallizing system with the function of mechanical steam recompression, which comprises a crystallizer, as well as a compressor and a heater, wherein the bottom of the crystallizer is connected with a circulating pipe, the other end of which is connected with a feeding hole of a circulating pump, and a discharging hole of the circulating pump is connected with a discharge pipe; the other end of the discharge pipe is connected with a feeding hole of a discharge pump, and a discharging hole of the discharge pump is connected with a finished product tank; the top part of the crystallizer is connected with an inlet of the compressor by a pipeline; a lower sealing head is connected with the circulating pipe; one side of the lower sealing head is connected with a feeding pipe which is provided with a ball valve and a feeding pump; the other end of the feeding pipe is connected with a raw material tank; an upper sealing head is connected with the crystallizer by a pipeline; the heater is externally provided with a shell pass which is communicated with an outlet of the compressor by a pipeline; the heater is connected with an evacuating pipeline; and the shell pass is connected with a condensate water discharging pipe. The forced circulation continuous crystallization system can meet the crystallization production requirements of continuously feeding and discharging, adopts the compressor for collecting secondary steam, and saves energy.
Description
Technical field
The utility model relates to a kind of continuous crystallisation system, is specially a kind of energy-conservation continuous crystalizer, promptly with the forced circulation continuous crystallisation system of mechanical vapour recompression.
Background technology
Traditional crystallizer is the crystallizer of earlier solution to be crystallized being packed into, after making equipment operation a period of time then, when the solution circulation concentrates when reaching certain crystallization content, discharge magma opening discharging pump, Deng opening the inlet valve stoste of packing into after the magma emptying once more, repeat said process.This just makes the production gap carry out and can't produce continuously.In addition, the indirect steam that normally crystallizer produced of traditional crystallizer is directly discharged or is drained after the condensing plant condensation.So not only waste the latent heat of indirect steam, wasted the energy, must be that the condensation indirect steam increases by a cover condensing plant, not only increased investment but also not environmental protection and economy.Also have traditional crystallizer generally to evaporate under normal pressure, this needs the big material of thermal sensitivity of low-temperature evaporation to some is disadvantageous.For this reason, can produce continuously and can be energy-conservation but also crystallizer that can low-temperature evaporation becomes the focus of a research.
The utility model content
The purpose of this utility model is: provide a kind of can continuous feed, discharging and can energy savings and the continuous crystalizer that can evaporate at a lower temperature.
The purpose of this utility model is achieved in that the forced circulation continuous crystallisation system of band mechanical vapour recompression, comprise crystallizer, also comprise compressor, be provided with the heater of low head (28) and upper cover (29), described crystallizer (1) bottom connects circulation pipe (16), the other end of described circulation pipe connects the charging aperture of circulating pump (11), the discharging opening of described circulating pump connects discharge nozzle (17), the other end of discharge nozzle (17) connects the charging aperture of discharging pump (10), the discharging opening of discharging pump (10) connects finished product jar (9), the crystallizer top is connected with compressor inlet by pipeline (27), the low head of heater (28) links to each other with circulation pipe (16), the first side of lower seal connects feed pipe (30), feed pipe is provided with ball valve (31) and feed pump (12), and the feed pipe other end links to each other with head tank; The upper cover of heater links to each other with crystallizer by pipeline (18), and heater is provided with shell side outward, and described shell side is communicated with compressor (2) outlet by pipeline (19), and described heater connects the pipeline (20) of finding time, and described shell side connects condensed water discharge pipe (21).
Equipment provided by the utility model can satisfy the crystallization production requirement of continuous feed and discharge, adopt compressor to collect indirect steam, reused the latent heat of indirect steam, save the energy, save condensing plant, reduced the consumption of cooling water, reduced the cost of enterprise, increase enterprise income, adopted water circulating vacuum pump to extract incoagulable gas out and keep intrasystem vacuum, guaranteed solution explosive evaporation under lower saturation temperature.
In order to keep the vacuum of system, be provided with balance pipe (22), ball valve (5) and vavuum pump (6) on the described pipeline of finding time successively, ball valve (23) is set on the described balance pipe, balance pipe is terminal to link to each other with drainer (24).
For the condensed condensed water of steam is discharged, be provided with successively on the described condensed water discharge pipe and look pipe (7) and ball valve (25), the condensed water discharge pipe end links to each other with drainer, and the drainer bottom is provided with evacuated tube, is provided with ball valve (26) and drain pump (8) on the evacuated tube successively.
For the balance that keep-ups pressure, described compressor is the roots-type compressor, and the import and export of compressor is provided with bypass pipe (32), and bypass pipe is provided with ball valve (3).
As further improvement of the utility model, baffle plate (36) is arranged at described crystallizer top.
As further improvement of the utility model, pipeline (18) is arranged in the inner of crystallizer on the axis of crystallizer, and the end of pipeline (18) connects the conical hopper (37) that an opening makes progress.
For raw material is preheated, be provided with heat exchanger (15) in the described head tank.
Description of drawings
Fig. 1 is a kind of structural representation of the present utility model.
Wherein, 1-crystallizer, the 2-compressor, the 3-ball valve, the 4-heater, the 5-ball valve, the 6-vavuum pump, 7-looks pipe, the 8-drain pump, 9-finished product jar, the 10-discharge pump, the 11-circulating pump, the 12-feed pump, the 13-flowmeter, the 14-head tank, the 15-heat exchanger, the 16-circulation pipe, the 17-discharge nozzle, the 18-pipeline, the 19-pipeline, the 20-pipeline of finding time, the 21-condensed water discharge pipe, the 22-balance pipe, the 23-ball valve, the 24-drainer, the 25-ball valve, the 26-ball valve, the 27-pipeline, the 28-low head, the 29-upper cover, the 30-feed pipe, the 31-ball valve, the 32-bypass pipe, the 33-shell side, the 35-heat exchanger tube, the 36-baffle plate, the 37-conical hopper.
The specific embodiment
As shown in Figure 1, the forced circulation continuous crystalizer of band mechanical vapour recompression, comprise crystallizer 1, compressor 2, heater 4, crystallizer 1 bottom is provided with circulation pipe 16, circulating pump 11 is set on the circulation pipe 16, be provided with discharge nozzle 17 behind the circulating pump 11, discharge nozzle 17 back are provided with discharging pump 10, discharge nozzle 17 ends are provided with finished product jar 9, crystallizer 1 top links to each other with compressor 2 imports by pipeline 27, heater 4 bottoms are provided with low head 28 tops upper cover 29 are set, low head 28 bottoms link to each other with circulation pipe 16, low head 28 1 sides have feed pipe 30, feed pipe 30 is provided with flowmeter 13, ball valve 31 and feed pump 12, feed pipe 30 ends link to each other with head tank 14, upper cover 29 links to each other with crystallizer 1 by pipeline 18, the shell side 33 of heater 4 links to each other with compressor 2 outlets by pipeline 19, shell side 33 bottoms of heater 4 are provided with find time pipeline 20 and condensed water discharge pipe 21, the pipeline 20 of finding time is provided with balance pipe 22, ball valve 5 and vavuum pump 6, balance pipe 22 is provided with ball valve 23, balance pipe 22 ends link to each other with drainer 24, condensed water discharge pipe 21 is provided with looks pipe 7 and ball valve 25, condensed water discharge pipe 21 ends link to each other with drainer 24, drainer 24 bottoms are provided with evacuated tube, and ball valve (26) and drain pump (8) are arranged on the evacuated tube.
Compressor is the roots-type compressor, and the import and export of compressor is provided with bypass pipe 32, and bypass pipe is provided with ball valve 3.The crystallizer inner top has baffle plate 36.Pipeline 18 is arranged in the inner of crystallizer on the axis of crystallizer, and the end of pipeline 18 connects the conical hopper 37 that an opening makes progress.Be provided with heat exchanger 15 in the head tank.
Feed liquid in the head tank 14 continuous heater 4 that enters after heat exchanger 15 heating are preheating to boiling point is subjected to thermal evaporation, after heated feed liquid is sent into crystallizer 1 separation, magma is formed on the bottom that the feed liquid that has concentrated drops to crystallizer 1, magma by a circulation pipe 16 and circulating pump 11 parts enter discharge nozzle 17 through discharge pump 10 with magma continuous be discharged to finished product jar 9, another part continues to participate in circulation.Isolated indirect steam is delivered to compressor 2 through pipeline 27 in the crystallizer 1, delivers to the heater tube side after compressed machine 2 compressions heat up, boost and emits solution in the latent heat heating heat exchanger tube 35.The water that coagulates that condensation is got off is discharged to drainer 24 through condensed water discharge pipe 21, coagulates the water pipe bottom evacuated tube is housed, and evacuated tube is provided with ball valve 26 and drain pump 8, can will coagulate water by drain pump when drainer is full and discharge.The import and export of compressor has a bypass pipe 32 to link to each other, and bypass pipe is provided with a ball valve 3, can protect like this compressor when starting and stopping not because of too high overload of loading.Evaporate at low temperatures for making feed liquid, the vacuum of system is kept with the discharge of incoagulable gas and is finished by the vavuum pump on the evacuation tube 20 6, be provided with ball valve 5 on the evacuation tube before vavuum pump and be used for the vacuum of control system, be provided with a balance pipe 22 that connects drainer before the evacuation tube ball valve, balance pipe is provided with ball valve 23.
Claims (7)
1. be with the forced circulation continuous crystallisation system of mechanical vapour recompression, comprise crystallizer, it is characterized in that: also comprise compressor, be provided with the heater of low head (28) and upper cover (29), described crystallizer (1) bottom connects circulation pipe (16), the other end of described circulation pipe connects the charging aperture of circulating pump (11), the discharging opening of described circulating pump connects discharge nozzle (17), the other end of discharge nozzle (17) connects the charging aperture of discharging pump (10), the discharging opening of discharging pump (10) connects finished product jar (9), the crystallizer top is connected with compressor inlet by pipeline (27), the low head of heater (28) links to each other with circulation pipe (16), the first side of lower seal connects feed pipe (30), feed pipe is provided with ball valve (31) and feed pump (12), and the feed pipe other end links to each other with head tank; The upper cover of heater links to each other with crystallizer by pipeline (18), and heater is provided with shell side outward, and described shell side is communicated with compressor (2) outlet by pipeline (19), and described heater connects the pipeline (20) of finding time, and described shell side connects condensed water discharge pipe (21).
2. the forced circulation continuous crystallisation system of band mechanical vapour recompression according to claim 1, it is characterized in that: be provided with balance pipe (22), ball valve (5) and vavuum pump (6) on the described pipeline of finding time successively, ball valve (23) is set on the described balance pipe, and balance pipe is terminal to link to each other with drainer (24).
3. the forced circulation continuous crystallisation system of band mechanical vapour recompression according to claim 1, it is characterized in that: be provided with successively on the described condensed water discharge pipe and look pipe (7) and ball valve (25), the condensed water discharge pipe end links to each other with drainer, the drainer bottom is provided with evacuated tube, is provided with ball valve (26) and drain pump (8) on the evacuated tube successively.
4. the forced circulation continuous crystallisation system of band mechanical vapour recompression according to claim 1, it is characterized in that: described compressor is the roots-type compressor, and the import and export of compressor is provided with bypass pipe (32), and bypass pipe is provided with ball valve (3).
5. the forced circulation continuous crystallisation system of band mechanical vapour recompression according to claim 1, it is characterized in that: the crystallizer inner top has baffle plate (36).
6. the forced circulation continuous crystallisation system of band mechanical vapour recompression according to claim 1, it is characterized in that: pipeline (18) is arranged in the inner of crystallizer on the axis of crystallizer, and the end of pipeline (18) connects the conical hopper (37) that an opening makes progress.
7. the forced circulation continuous crystallisation system of band mechanical vapour recompression according to claim 1 is characterized in that: be provided with heat exchanger (15) in the head tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202744720U CN201643771U (en) | 2009-12-07 | 2009-12-07 | Forced circulation continuous crystallizing system with function of mechanical steam recompression |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202744720U CN201643771U (en) | 2009-12-07 | 2009-12-07 | Forced circulation continuous crystallizing system with function of mechanical steam recompression |
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| Publication Number | Publication Date |
|---|---|
| CN201643771U true CN201643771U (en) | 2010-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202744720U Expired - Fee Related CN201643771U (en) | 2009-12-07 | 2009-12-07 | Forced circulation continuous crystallizing system with function of mechanical steam recompression |
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| CN (1) | CN201643771U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102641607A (en) * | 2012-03-11 | 2012-08-22 | 甘肃蓝科石化高新装备股份有限公司 | Vaporization crystallizer device with mechanical vapor compressor |
-
2009
- 2009-12-07 CN CN2009202744720U patent/CN201643771U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102641607A (en) * | 2012-03-11 | 2012-08-22 | 甘肃蓝科石化高新装备股份有限公司 | Vaporization crystallizer device with mechanical vapor compressor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101124 Termination date: 20141207 |
|
| EXPY | Termination of patent right or utility model |