CN205307828U - A mechanical vapor recompression evaporation concentration system for ethanol solvent evaporation retrieves - Google Patents
A mechanical vapor recompression evaporation concentration system for ethanol solvent evaporation retrieves Download PDFInfo
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- CN205307828U CN205307828U CN201521123061.3U CN201521123061U CN205307828U CN 205307828 U CN205307828 U CN 205307828U CN 201521123061 U CN201521123061 U CN 201521123061U CN 205307828 U CN205307828 U CN 205307828U
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Abstract
A mechanical vapor recompression evaporation concentration system for ethanol solvent evaporation retrieves. The concentrated system of existing machinery is mainly solved and continuous production, evaporation efficiency is low, loading and unloading capacity is little problem can't be carried out. The utility model provides a mechanical vapor recompression evaporation concentration system for ethanol solvent evaporation retrieves, including MVR falling film evaporation mechanism and the mechanical compressor who is used for ethanol solvent evaporation, the raw materials loops through two -stage falling liquid film heater, falling liquid film separator and mechanical compressor and is getting back to two -stage falling liquid film heater formation circulation to be equipped with two concentration compartment in the two -stage falling liquid film heater, realize not only having improved work efficiency to the secondary concentration of stoste, practiced thrift the energy moreover.
Description
Technical field
The utility model relates to mechanical thickening system regions, has the function of mechanical steam recompression evaporation concentration system related to for alcohol solvent evaporation is reclaimed.
Background technology
Chinese medicine extract concentrated is one of important procedure of herbal pharmaceutical, it is that herbal pharmaceutical consumes energy maximum operations, also it is TCM drug preparation modernization important component part, and become a big difficult problem for reclaiming of inflammable and explosive traditional Chinese medicine extraction solvent especially due to the safety issue of its uniqueness, and the function of mechanical steam recompression system commonly used for water solvent is no longer applicable. In addition, there is thickening temperature height in Chinese medicine extract tradition condensing mode, concentration time is long, and effective constituent and volatile component easily lose, and a step is concentrated difficult, the problems such as the easy fouling of equipment. This just makes production process produce continuously, the drawback that vaporization efficiency is low, throughput is little, artificial intensity is big has occurred, cannot meet modern production demand.
Practical novel content
In order to overcome the deficiency of background technology, the utility model is provided for the function of mechanical steam recompression evaporation concentration system that alcohol solvent evaporation is reclaimed, and mainly solves the problem that existing mechanical thickening system cannot carry out producing continuously, vaporization efficiency is low, throughput is little.
The technical scheme that the utility model adopts is:
For the function of mechanical steam recompression evaporation concentration system that alcohol solvent evaporation is reclaimed, comprise the MVR falling film evaporation mechanism for alcohol solvent evaporation,
Described MVR falling film evaporation mechanism comprises fresh feed pump and two-stage falling film heating device, and described fresh feed pump is connected with the pipe journey of described two-stage falling film heating device;
Described two-stage falling film heating device inwall is provided with the first concentration compartments and the 2nd concentration compartments; The discharge port of described 2nd concentration compartments is connected with the opening for feed of described 2nd concentration compartments by the 2nd recycle pump; By turning, material variable valve and described 2nd recycle pump are connected the discharge port of described first concentration compartments with the opening for feed of described 2nd concentration compartments;
The loop exit of described first concentration compartments is connected with the shell side of described two-stage falling film heating device by falling film separator, mechanical compressor successively, and the shell side of described two-stage falling film heating device is connected with described draw-off pump;
Described two-stage falling film heating device is also connected with the discharging pump for discharging.
Also comprising the first recycle pump, the discharge port of described first concentration compartments is connected with the opening for feed of described first concentration compartments by described first recycle pump.
The volume of described 2nd concentration compartments is less than the volume of described first concentration compartments.
Described mechanical compressor is wing passage formula vapour compressor.
The entrance end pipeline of described mechanical compressor and exit end pipeline are equipped with the expansion joint for eliminating noise.
The beneficial effects of the utility model are: the utility model is provided for the function of mechanical steam recompression evaporation concentration system that alcohol solvent evaporation is reclaimed, comprise the MVR falling film evaporation mechanism for alcohol solvent evaporation and mechanical compressor, raw material is returning to the formation circulation of two-stage falling film heating device by two-stage falling film heating device, falling film separator and mechanical compressor successively, and it is provided with Liang Ge concentration compartments in two-stage falling film heating device, realize the secondary concentration to stoste, not only increase working efficiency, and save the energy.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the utility model embodiment.
Wherein, 1-fresh feed pump, 2-two-stage falling film heating device, 3-draw-off pump, 5-first recycle pump, 6-the 2nd recycle pump, 7-turn material variable valve, 9-falling film separator, 10-compressor inleting pipe road, 11-mechanical compressor, 12-compressor outlet pipe, 13-discharging pump, 14-discharge pipe, 21-first concentration compartments, 22-the 2nd concentration compartments, 211-loop exit, 111-expansion joint.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail: as shown in the figure, for the function of mechanical steam recompression evaporation concentration system that alcohol solvent evaporation is reclaimed, comprise the MVR falling film evaporation mechanism for alcohol solvent evaporation, described MVR falling film evaporation mechanism comprises fresh feed pump 1 and two-stage falling film heating device 2, and described fresh feed pump 1 is connected with the pipe journey of described two-stage falling film heating device 2, described two-stage falling film heating device 2 inwall is provided with the first concentration compartments 21 and the 2nd concentration compartments 22, the discharge port of described 2nd concentration compartments 22 is connected with the opening for feed of described 2nd concentration compartments 22 by the 2nd recycle pump 6, by turning, material variable valve 7 and described 2nd recycle pump 6 are connected the discharge port of described first concentration compartments 21 with the opening for feed of described 2nd concentration compartments 22, the loop exit 211 of described first concentration compartments 21 is connected with the shell side of described two-stage falling film heating device 2 by falling film separator 9, mechanical compressor 11 successively, and the shell side of described two-stage falling film heating device 2 is connected with described draw-off pump 3. described two-stage falling film heating device 2 is also connected with the discharging pump 13 for discharging. the various valve that evaporation concentration system is provided with and sensor etc. are prior art, do not repeating, the utility model is provided for the function of mechanical steam recompression evaporation concentration system that alcohol solvent evaporation is reclaimed, comprise the MVR falling film evaporation mechanism for alcohol solvent evaporation and mechanical compressor, raw material is successively by two-stage falling film heating device, falling film separator and mechanical compressor are returning to the formation circulation of two-stage falling film heating device, and it is provided with Liang Ge concentration compartments in two-stage falling film heating device, realize the secondary concentration to stoste, not only increase working efficiency, and saved the energy. first stock liquid enters in the first concentration compartments by fresh feed pump, circulation heating evaporation is to finite concentration, enter in the 2nd concentration compartments carry out further evaporation concentration by turning pipe material, alcohol vapour in two-stage falling-film evaporator enters in separator and is separated, again the two-stage falling-film evaporator sending into MVR falling film evaporation system after increasing temperature by wing passage formula vapour compressor supercharging is as heating thermal source, complete the phlegma after heat exchange to discharge by draw-off pump, final concentrated solution is discharged by discharging pump, achieve the direct vapor-compression to alcohol solvent to reclaim, can not only increase work efficiency, and saved the energy.
In the utility model, as shown in the figure, also comprising the first recycle pump 5, the discharge port of described first concentration compartments 21 is connected with the opening for feed of described first concentration compartments 21 by described first recycle pump 5. Stoste can repeatedly carry out circulation heating, and material use efficiency is higher.
In the utility model, as shown in the figure, the volume of described 2nd concentration compartments 22 is less than the volume of described first concentration compartments 21. The heat interchanging area of the first concentration compartments is greater than the area of the 2nd concentration compartments, and can there be bigger heat interchanging area the first concentration compartments when preliminary circulation, it may also be useful to better effects if.
In the utility model, as shown in the figure, described mechanical compressor 11 is wing passage formula vapour compressor. Good sealing effect, it is achieved that to the direct pressure recovery of alcohol solvent.
In the utility model, as shown in the figure, the entrance end pipeline of described mechanical compressor 11 and exit end pipeline are equipped with the expansion joint 111 for eliminating noise. Noise when use can be eliminated, it may also be useful to better effects if.
Embodiment should not be considered as restriction of the present utility model, but any improvement done based on spirit of the present utility model, all should within protection domain of the present utility model.
Claims (5)
1. the function of mechanical steam recompression evaporation concentration system reclaimed for alcohol solvent evaporation, comprises the MVR falling film evaporation mechanism for alcohol solvent evaporation, it is characterised in that:
Described MVR falling film evaporation mechanism comprises fresh feed pump (1) and two-stage falling film heating device (2), and described fresh feed pump (1) is connected with the pipe journey of described two-stage falling film heating device (2);
Described two-stage falling film heating device (2) inwall is provided with the first concentration compartments (21) and the 2nd concentration compartments (22); The discharge port of described 2nd concentration compartments (22) is connected with the opening for feed of described 2nd concentration compartments (22) by the 2nd recycle pump (6); By turning, material variable valve (7) and described 2nd recycle pump (6) are connected the discharge port of described first concentration compartments (21) with the opening for feed of described 2nd concentration compartments (22);
The loop exit (211) of described first concentration compartments (21) is connected with the shell side of described two-stage falling film heating device (2) by falling film separator (9), mechanical compressor (11) successively, and the shell side of described two-stage falling film heating device (2) is connected with draw-off pump (3);
Described two-stage falling film heating device (2) is also connected with the discharging pump for discharging (13).
2. the function of mechanical steam recompression evaporation concentration system reclaimed for alcohol solvent evaporation according to claim 1, it is characterized in that: also comprise the first recycle pump (5), the discharge port of described first concentration compartments (21) is connected with the opening for feed of described first concentration compartments (21) by described first recycle pump (5).
3. the function of mechanical steam recompression evaporation concentration system reclaimed for alcohol solvent evaporation according to claim 1, it is characterised in that: the volume of described 2nd concentration compartments (22) is less than the volume of described first concentration compartments (21).
4. the function of mechanical steam recompression evaporation concentration system reclaimed for alcohol solvent evaporation according to claim 1, it is characterised in that: described mechanical compressor (11) is wing passage formula vapour compressor.
5. the function of mechanical steam recompression evaporation concentration system reclaimed for alcohol solvent evaporation according to claim 1, it is characterised in that: the entrance end pipeline of described mechanical compressor (11) and exit end pipeline are equipped with the expansion joint for eliminating noise (111).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521123061.3U CN205307828U (en) | 2015-12-31 | 2015-12-31 | A mechanical vapor recompression evaporation concentration system for ethanol solvent evaporation retrieves |
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| CN201521123061.3U CN205307828U (en) | 2015-12-31 | 2015-12-31 | A mechanical vapor recompression evaporation concentration system for ethanol solvent evaporation retrieves |
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| CN205307828U true CN205307828U (en) | 2016-06-15 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107875662A (en) * | 2017-12-15 | 2018-04-06 | 河北乐恒化工设备制造有限公司 | A kind of multi-stage falling film evaporation device |
| CN109879722A (en) * | 2019-03-05 | 2019-06-14 | 肥城金塔机械有限公司 | Low-concentration ethanol recyclable device and method based on MVR |
| CN111659142A (en) * | 2020-06-28 | 2020-09-15 | 太仓市宝马油脂设备有限公司 | Falling film distillation process for separating dichloromethane and white oil |
| CN111659140A (en) * | 2020-06-28 | 2020-09-15 | 太仓市宝马油脂设备有限公司 | Separation equipment for dichloromethane and white oil mixed liquid |
| CN111701263A (en) * | 2020-06-28 | 2020-09-25 | 太仓市宝马油脂设备有限公司 | Separation process of mixed liquid of dichloromethane and white oil |
-
2015
- 2015-12-31 CN CN201521123061.3U patent/CN205307828U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107875662A (en) * | 2017-12-15 | 2018-04-06 | 河北乐恒化工设备制造有限公司 | A kind of multi-stage falling film evaporation device |
| CN109879722A (en) * | 2019-03-05 | 2019-06-14 | 肥城金塔机械有限公司 | Low-concentration ethanol recyclable device and method based on MVR |
| CN111659142A (en) * | 2020-06-28 | 2020-09-15 | 太仓市宝马油脂设备有限公司 | Falling film distillation process for separating dichloromethane and white oil |
| CN111659140A (en) * | 2020-06-28 | 2020-09-15 | 太仓市宝马油脂设备有限公司 | Separation equipment for dichloromethane and white oil mixed liquid |
| CN111701263A (en) * | 2020-06-28 | 2020-09-25 | 太仓市宝马油脂设备有限公司 | Separation process of mixed liquid of dichloromethane and white oil |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 065000 Industrial Road two, Chao Bai He Industrial Park, Dachang Hui Autonomous County, Langfang, Hebei Patentee after: Hebei Le Heng energy saving equipment Co., Ltd. Address before: 065000 Industrial Road two, Chao Bai He Industrial Park, Dachang Hui Autonomous County, Langfang, Hebei Patentee before: Hebei Le Heng chemical industry equipment Manufacturing Co., Ltd |