CN204193535U - Economic benefits and social benefits falling liquid film MVR vapo(u)rization system - Google Patents
Economic benefits and social benefits falling liquid film MVR vapo(u)rization system Download PDFInfo
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- CN204193535U CN204193535U CN201420582518.6U CN201420582518U CN204193535U CN 204193535 U CN204193535 U CN 204193535U CN 201420582518 U CN201420582518 U CN 201420582518U CN 204193535 U CN204193535 U CN 204193535U
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Abstract
Economic benefits and social benefits falling liquid film MVR vapo(u)rization system disclosed in the utility model, comprise an effect head tank, an effect material preheater, 1st effective evaporator, an effect separator, effect condensate water pot and some process pumps, also comprise: two effect head tanks, two effect material preheaters, 2nd effect evaporator, two effect separators, two effect condensate water pot, vapour compression machine and some process pumps, the beneficial effects of the utility model are: effectively for inflammable and explosive solvent adopts MVR evaporation and concentration to provide safety assurance.
Description
Technical field
The utility model relates to the evaporation concentration system technical field in pharmacy procedure, particularly relate to a kind of economic benefits and social benefits falling liquid film MVR (MVR, the abbreviation of mechanical vapor recompression, i.e. function of mechanical steam recompression) vapo(u)rization system, be applicable to the evaporation and concentration of solvent inflammable and explosive containing such as ethanol, methyl alcohol etc. in pharmaceutical industry, be specially adapted to the evaporation and concentration of the strong material of thermal sensitivity.
Background technology
In pharmacy procedure, concentrated liquid is needed to enter heating tube top, form film along heating tube inwall to flow downward, in this process due to the heating outside pipe, intraluminal fluid film comes to life and part evaporation, liquid film moves downward at first in the separator in tubulation bottom and downstream thereof, and remaining liquid is separated with steam.Existing single-action MVR vaporising device can solve tradition using steam as thermal source, its vaporizer residence time is long, and cocnentration factor is low, the problems such as evaporation energy consumption and the high all height of cost, such as, patent No. single-action falling liquid film MVR vapo(u)rization system disclosed in the Chinese patent of 201320203334.X.But, if the evaporation and concentration containing inflammable and explosive solvent adopts single-action falling liquid film MVR vapo(u)rization system, because inflammable and explosive solvent vapo(u)r contacts with the compressor impeller run up, have the existence of unsafe factor.
For this reason, applicant carried out useful exploration and trial, have found result of the above problems, technical scheme described below produces under this background.
Utility model content
Technical problem to be solved in the utility model: for the deficiency of existing single-action falling liquid film MVR vapo(u)rization system, now provides a kind of and has that energy consumption is low, cocnentration factor is high, can concentrate inflammable and explosive solution, economic benefits and social benefits falling liquid film MVR vapo(u)rization system that material evaporation that is safe and reliable, stable, that be particularly suitable for thermal sensitivity wall is concentrated.
The technical problem that the utility model solves can realize by the following technical solutions:
Economic benefits and social benefits falling liquid film MVR vapo(u)rization system, comprise an effect head tank, one effect material preheater, 1st effective evaporator, one effect separator, one effect condensate water pot and some process pumps, the discharging opening of a described effect raw material storage tank is connected with described one material inlet of imitating material preheater by an effect feedstock pump, the material outlet of a described effect material preheater is communicated with the material inlet of described 1st effective evaporator, the product concentrate import that the material outlet of described 1st effective evaporator imitates material preheater by an effect product pump and described is connected, the product concentrated solution outlet of a described effect material preheater is by outside an effect concentrate discharge system, the recycle stock outlet of described 1st effective evaporator is connected with the recycle stock import of described 1st effective evaporator by an effect circulating pump, the steam-condensation water out of described 1st effective evaporator and described one imitates the steam condensate (SC) inlet communication of condensate water pot, the described on-condensible gas outlet of an effect condensate water pot and the on-condensible gas inlet communication of described 1st effective evaporator, a described effect separator is communicated with described 1st effective evaporator, the described effect liquid outlet of separator and a recycle stock outlet for described 1st effective evaporator, also comprise:
Two effect head tanks, two effect material preheaters, 2nd effect evaporator, two effect separators, two effect condensate water pots, vapour compression machine and some process pumps, the discharging opening of described two effect head tanks is connected with described two material inlets of imitating material preheater by two effect feedstock pumps, the steam-condensation water out that the steam-condensation water inlet of described two effect material preheaters imitates condensate water pot by an effect condensate pump and described is connected, the steam-condensation water out of described two effect material preheaters is by outside an effect condensate removal system, the material outlet of described two effect material preheaters is communicated with the material inlet of described 2nd effect evaporator, the product concentrate import that the material outlet of described 2nd effect evaporator imitates material preheater by two effect product pumps and described two is connected, the product concentrated solution outlet of described two effect material preheaters is by outside two effect concentrate discharge systems, the indirect steam outlet of separator is imitated in the indirect steam import of described 2nd effect evaporator and described, the recycle stock outlet of described 2nd effect evaporator is connected with the recycle stock import of described 2nd effect evaporator by two effect circulating pumps, the steam-condensation water out of described 2nd effect evaporator and described two imitates the first steam condensate (SC) inlet communication of condensate water pot, the described on-condensible gas outlet of two effect condensate water pots and the on-condensible gas inlet communication of described 2nd effect evaporator, the steam-condensation water inlet that the steam-condensation water out of described two effect condensate water pots imitates material preheater by two effect condensate pumps and described is connected, the steam-condensation water out of a described effect material preheater is by outside two effect condensate removal systems, described two effect separators are communicated with described 2nd effect evaporator, the described two effect liquid outlet of separator and the recycle stock outlet of described 2nd effect evaporator, the indirect steam outlet of described two effect separators is communicated with the steam suction inlet of described vapour compression machine, the steam outlet of described vapour compression machine and the indirect steam inlet communication of described 1st effective evaporator.
In a preferred embodiment of the present utility model, also comprise a vacuum system, described vacuum system comprises condenser and vavuum pump, the condensation vapor inlet of described condenser is communicated with the vacuum port of described 2nd effect evaporator, the condensation vapor outlet of described condenser and described two imitates the second steam condensate (SC) inlet communication of condensate water pot, described vavuum pump is communicated with the vacuum orifice of described condenser, and described vavuum pump is also communicated with the vacuum port of described 1st effective evaporator.
In a preferred embodiment of the present utility model, between described vavuum pump and the vacuum orifice of condenser, between described vavuum pump and the vacuum port of 1st effective evaporator, be provided with a control valve.
In a preferred embodiment of the present utility model, a steam afterburner is provided with between the material outlet of a described effect material preheater and the material inlet of 1st effective evaporator, the steam inlet of described evaporation afterburner is connected with steam supply mechanism, steam condensate (SC) is discharged outside system by the steam-condensation water out of described evaporation afterburner, the material inlet of described steam afterburner is communicated with a material outlet of imitating material preheater, and the described material outlet of steam afterburner is communicated with the material inlet of 1st effective evaporator.
In a preferred embodiment of the present utility model, the discharging opening and one of a described effect head tank is imitated between the material inlet of material preheater, between the product concentrate import of a described effect material preheater and the material outlet of 1st effective evaporator, the discharging opening and two of described two effect head tanks is imitated between the material inlet of material preheater, a pneumatic control valve and flow meters is provided with between the product concentrate import of described two effect material preheaters and the material outlet of 2nd effect evaporator, a described effect feedstock pump, one effect product pump, two effect feedstock pumps and two effect product pumps are variable frequency pump.
In a preferred embodiment of the present utility model, described vapour compression machine is centrifugal vapor compressor.
In a preferred embodiment of the present utility model, also comprise the PLC control device of a control described economic benefits and social benefits falling liquid film MVR vapo(u)rization system.
Owing to have employed technical scheme as above, the beneficial effects of the utility model are:
1, effectively for inflammable and explosive solvent adopts MVR evaporation and concentration to provide safety assurance.
2, the thermal efficiency is high, the saving energy, unit work consumptiom are low, such as: the energy consumption of evaporation one ton of water is only equivalent to 1/1 to five/4th of conventional evaporator, and energy-saving effect is very remarkable;
3, by secondary steam recycling technology, COD and the BOD value of steam condensate (SC) and ammonia-nitrogen content, far below the index of traditional multi-effect evaporator, meet the discharge standard of national regulation completely;
4, adopt single stage vacuum evaporation, evaporating temperature is low, is particularly suitable for the material that thermal sensitivity is stronger, not easily makes material sex change, adopts low-temperature negative-pressure evaporation (50-80 DEG C), is conducive to preventing from being evaporated the high-temperature denatured of material;
5, automaticity is high, and MVR evaporimeter adopts industrial computer and PLC control system and converter technique, fully achieves unattended fully automatic operation.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below.
Fig. 1 is workflow schematic diagram of the present utility model.
Detailed description of the invention
The technological means realized to make the utility model, creation characteristic, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth the utility model further.
See Fig. 1, the economic benefits and social benefits falling liquid film MVR vapo(u)rization system provided in figure, comprises an effect head tank 100a, an effect material preheater 200a, 1st effective evaporator 300a, an effect separator 400a, an effect condensate water pot 500a, steam afterburner 600, two effect head tank 100b, two effect material preheater 200b, 2nd effect evaporator 300b, two effect separator 400b, two effect condensate water pot 500b, vapour compression machine 700, some process pumps and PLC control device.
The charging aperture 110a of one effect head tank 100a is the dog-house of an effect raw material, its discharging opening 120a is connected with a material inlet 210a of imitating material preheater 200a by an effect feedstock pump 810a, the material outlet 220a of one effect material preheater 200a is communicated with the material inlet 610 of steam afterburner 600, the material inlet 310a that material outlet 620 and the 1st effective evaporator 300a of steam afterburner 600 are positioned at its side is communicated with, the steam inlet 630 of steam afterburner 600 is connected with steam supply mechanism (not shown), steam condensate (SC) is discharged outside system by the steam-condensation water out 640 of steam afterburner 600, the preheat temperature of material is effectively increased by steam afterburner 600, improve concentrated effect.
The material outlet 320a that 1st effective evaporator 300a is positioned at bottom it is connected with a product concentrate import 230a of imitating material preheater 200a by an effect product pump 820a, and the product concentrated solution outlet 240a of an effect material preheater 200a is by outside an effect concentrate discharge system.The recycle stock outlet 330a that 1st effective evaporator 300a is positioned at bottom it is connected with the recycle stock import 340a that 1st effective evaporator 300a is positioned at its top by an effect circulating pump 830a, the steam-condensation water out 350a and one that 1st effective evaporator 300a is positioned at its side is imitated the steam-condensation water inlet 510a that condensate water pot 500a is positioned at its side and is communicated with, the on-condensible gas outlet 520a that one effect condensate water pot 500a is positioned at its top is communicated with the on-condensible gas import 360a that 1st effective evaporator 300a is positioned at its side, the steam-condensation water out 530a that one effect condensate water pot 500a is positioned at bottom it is communicated with the two steam-condensation water inlet 250b of imitating material preheater 200b by an effect condensate pump 840a, the steam-condensation water out 260b of two effect material preheater 200b is by outside an effect condensate removal system.
The side, middle part of one effect separator 400a is communicated with the lower side of 1st effective evaporator 300a, the liquid outlet 410a of one effect separator 400a exports 330a with the recycle stock of 1st effective evaporator 300a and is communicated with, and the indirect steam outlet 420a of an effect separator 400a is communicated with the indirect steam import 370b of 2nd effect evaporator 300b.
The charging aperture 110b of two effect head tank 100b is the dog-house of two effect raw materials, its discharging opening 120b is connected with the two material inlet 210b of imitating material preheater 200b by two effect feedstock pump 810b, the material outlet 220b of two effect material preheater 200b is communicated with the material inlet 310b that 2nd effect evaporator 300b is positioned at its side, the material outlet 330b that 2nd effect evaporator 300b is positioned at bottom it is connected with the two product concentrate import 230b of imitating material preheater 200b by two effect product pump 820b, the product concentrated solution outlet 240b of two effect material preheater 200b is by outside two effect concentrate discharge systems.
The recycle stock outlet 330b that 2nd effect evaporator 300b is positioned at bottom it is connected with the recycle stock import 340b that 2nd effect evaporator 300b is positioned at its top by two effect circulating pump 830b, the steam-condensation water out 350b and two of 2nd effect evaporator 300b is imitated the first steam-condensation water inlet 510b that condensate water pot 500b is positioned at its side and is communicated with, the on-condensible gas outlet 530b that two effect condensate water pot 500b are positioned at its top is communicated with the on-condensible gas import 360b that 2nd effect evaporator 300b is positioned at its side, the steam-condensation water out 540b that two effect condensate water pot 500b are positioned at bottom it is connected with a steam-condensation water inlet 250a of imitating material preheater 200a by two effect condensate pump 840b, the steam-condensation water out 260a of one effect material preheater 200a is by outside two effect condensate removal systems.
Two effect separator 400b are communicated with 2nd effect evaporator 300b, two effect separator 400b are positioned at the liquid outlet 410b bottom it and export 330b with the recycle stock of 2nd effect evaporator 300b and be communicated with, the indirect steam outlet 420b that two effect separator 400b are positioned at its top is communicated with the steam suction inlet 710 of vapour compression machine 700, the steam outlet 720 of vapour compression machine 700 is communicated with the indirect steam import 370a of 1st effective evaporator 300a, and vapour compression machine 700 is preferably selected and used centrifugal vapor compressor.
PLC device (for illustrating in figure) and economic benefits and social benefits falling liquid film MVR vapo(u)rization system control connection, wherein, PLC device comprises autoalarm, self-recording unit and provides report capability, realizes multi-functional operation of the present utility model and full-automatic operation.
In order to ensure that whole system works under being in vacuum environment, and the fixed gas in timely and effective discharge evaporation process, sky is carried, improve the operating efficiency of vapour compression machine 700 in addition, a vacuum system is also comprised in economic benefits and social benefits falling liquid film MVR vapour system, this vacuum system comprises condenser 910 and vavuum pump 920, the condensation vapor inlet 911 of condenser 910 is communicated with the vacuum port 380b of 2nd effect evaporator 300b, the second steam-condensation water inlet 520b that the condensation vapor outlet 912 and two of condenser 910 imitates condensate water pot 500b is communicated with, vavuum pump 920 is communicated with the vacuum orifice 913 of condenser 910, vavuum pump 920 is also communicated with the vacuum port 380a of 1st effective evaporator 300a.In addition, between vavuum pump 920 and the vacuum orifice 913 of condenser 910 and between the vacuum port 380a of vavuum pump 920 and 1st effective evaporator 300a, be respectively arranged with control valve 921,922, an effect can be controlled by control valve 921,2nd effect evaporator 300a, 300b have two different vacuums.
In order to improve controllability and the controllability of whole system further, imitate between the material inlet 210a of material preheater 200a at the discharging opening 120a and of an effect head tank 100a, between the product concentrate import 230a of one effect material preheater 200a and the material outlet 320a of 1st effective evaporator 300a, between the material inlet 210b that the discharging opening 120b and two of two effect head tank 100b imitate material preheater 200b and two imitate between the product concentrate import 230b of material preheater 200b and the material outlet 320b of 2nd effect evaporator 300b and be respectively arranged with pneumatic control valve 1100a, 1100b, 1100c, 1100d and flowmeter 1200a, 1200b, 1200c, 1200d, and an effect feedstock pump 810a, one effect product pump 820a, two effect feedstock pump 810b and two effect product pump 820b are variable frequency pump.
The operation principle of economic benefits and social benefits falling liquid film MVR vapo(u)rization system of the present utility model is as follows:
One effect, two effect raw materials are respectively from an effect, two effect head tank 100a, 100b is through an effect, two effect feedstock pump 810a, 810b delivers to an effect, two effect material preheater 200a, 200b, is sent into an effect after preheating respectively, 2nd effect evaporator 300a, 300b evaporates, and meets the requirements of finished product materials by an effect, two effect product pump 820a, outside 820b discharge system, not meeting the requirements of material can by an effect, two effect circulating pump 830a, 830b is by an effect, two effect circulating pump 830a, 830b continues to enter an effect, 2nd effect evaporator 300a, 300b evaporates, in the process, vapour compression machine 700 is utilized to collect indirect steam and by its increasing temperature and pressure to higher-energy, this part is returned in former closed technological process by the indirect steam compressed and again utilizes, in whole closed technique, energy does not run off, the part energy only needing increase indirect steam energy to improve and material utilize the part heat of steam preheating, indirect steam can be made in vapour compression machine 700 compression process to promote 5 DEG C ~ 20 DEG C, especially the stronger material of thermal sensitivity is applicable to, not easily make material sex change, be conducive to preventing from being evaporated the high-temperature denatured of material.
The economic benefits and social benefits falling liquid film MVR vapo(u)rization system of this practicality have employed the mode of two kinds of solution of different nature evaporation and concentration simultaneously, namely a kind of is that inflammable and explosive solution is as ethanol, methyl alcohol etc., this is an effect raw material, and the inflammable and explosive solution of another kind of right and wrong is as water kinetic energy, and this is two effect raw materials.Two kinds of solution are all mutually completely isolated when evaporation and concentration and recovery, and the impeller so just inflammable and explosive solvent can being avoided to run up with vapour compression machine 700 when evaporation and concentration contacts and produces unsafe factor.
Evaporation process heat can being utilized of continuous several times, significantly reduce evaporimeter to the consumption of external fresh evaporation, and vapour compression machine 700 employing is industrial power, reduce production cost, almost without any CO2 emission problem, meet environmental requirement, and the utility model is compared with existing all kinds of evaporimeter, the advantage had is as shown in table 1 below:
Table 1
2nd effect evaporator and annual operating and maintenance cost of the present utility model are contrasted, draw result as shown in table 2:
Table 2
Can be drawn by table 2, the utility model saves operating cost every year: 242.1 ten thousand yuan/year-39.996 ten thousand yuan/year=202.104 ten thousand yuan/year, greatly reduce production cost.
The beneficial effects of the utility model are:
1, effectively for inflammable and explosive solvent adopts MVR evaporation and concentration to provide safety assurance.
2, the thermal efficiency is high, the saving energy, unit work consumptiom are low, such as: the energy consumption of evaporation one ton of water is only equivalent to 1/1 to five/4th of conventional evaporator, and energy-saving effect is very remarkable;
3, by secondary steam recycling technology, COD and the BOD value of steam condensate (SC) and ammonia-nitrogen content, far below the index of traditional multi-effect evaporator, meet the discharge standard of national regulation completely;
4, adopt single stage vacuum evaporation, evaporating temperature is low, is particularly suitable for the material that thermal sensitivity is stronger, not easily makes material sex change, adopts low-temperature negative-pressure evaporation (50-80 DEG C), is conducive to preventing from being evaporated the high-temperature denatured of material;
5, automaticity is high, and MVR evaporimeter adopts industrial computer and PLC control system and converter technique, fully achieves unattended fully automatic operation.
Claims (7)
1. economic benefits and social benefits falling liquid film MVR vapo(u)rization system, comprise an effect head tank, one effect material preheater, 1st effective evaporator, one effect separator, one effect condensate water pot and some process pumps, the discharging opening of a described effect raw material storage tank is connected with described one material inlet of imitating material preheater by an effect feedstock pump, the material outlet of a described effect material preheater is communicated with the material inlet of described 1st effective evaporator, the product concentrate import that the material outlet of described 1st effective evaporator imitates material preheater by an effect product pump and described is connected, the product concentrated solution outlet of a described effect material preheater is by outside an effect concentrate discharge system, the recycle stock outlet of described 1st effective evaporator is connected with the recycle stock import of described 1st effective evaporator by an effect circulating pump, the steam-condensation water out of described 1st effective evaporator and described one imitates the steam condensate (SC) inlet communication of condensate water pot, the described on-condensible gas outlet of an effect condensate water pot and the on-condensible gas inlet communication of described 1st effective evaporator, a described effect separator is communicated with described 1st effective evaporator, the described effect liquid outlet of separator and a recycle stock outlet for described 1st effective evaporator, it is characterized in that, also comprise:
Two effect head tanks, two effect material preheaters, 2nd effect evaporator, two effect separators, two effect condensate water pots, vapour compression machine and some process pumps, the discharging opening of described two effect head tanks is connected with described two material inlets of imitating material preheater by two effect feedstock pumps, the steam-condensation water out that the steam-condensation water inlet of described two effect material preheaters imitates condensate water pot by an effect condensate pump and described is connected, the steam-condensation water out of described two effect material preheaters is by outside an effect condensate removal system, the material outlet of described two effect material preheaters is communicated with the material inlet of described 2nd effect evaporator, the product concentrate import that the material outlet of described 2nd effect evaporator imitates material preheater by two effect product pumps and described two is connected, the product concentrated solution outlet of described two effect material preheaters is by outside two effect concentrate discharge systems, the indirect steam outlet of separator is imitated in the indirect steam import of described 2nd effect evaporator and described, the recycle stock outlet of described 2nd effect evaporator is connected with the recycle stock import of described 2nd effect evaporator by two effect circulating pumps, the steam-condensation water out of described 2nd effect evaporator and described two imitates the first steam condensate (SC) inlet communication of condensate water pot, the described on-condensible gas outlet of two effect condensate water pots and the on-condensible gas inlet communication of described 2nd effect evaporator, the steam-condensation water inlet that the steam-condensation water out of described two effect condensate water pots imitates material preheater by two effect condensate pumps and described is connected, the steam-condensation water out of a described effect material preheater is by outside two effect condensate removal systems, described two effect separators are communicated with described 2nd effect evaporator, the described two effect liquid outlet of separator and the recycle stock outlet of described 2nd effect evaporator, the indirect steam outlet of described two effect separators is communicated with the steam suction inlet of described vapour compression machine, the steam outlet of described vapour compression machine and the indirect steam inlet communication of described 1st effective evaporator.
2. economic benefits and social benefits falling liquid film MVR vapo(u)rization system as claimed in claim 1, it is characterized in that, also comprise a vacuum system, described vacuum system comprises condenser and vavuum pump, the condensation vapor inlet of described condenser is communicated with the vacuum port of described 2nd effect evaporator, the condensation vapor outlet of described condenser and described two imitates the second steam condensate (SC) inlet communication of condensate water pot, and described vavuum pump is communicated with the vacuum orifice of described condenser, and described vavuum pump is also communicated with the vacuum port of described 1st effective evaporator.
3. economic benefits and social benefits falling liquid film MVR vapo(u)rization system as claimed in claim 2, is characterized in that, be provided with a control valve between described vavuum pump and the vacuum orifice of condenser, between described vavuum pump and the vacuum port of 1st effective evaporator.
4. economic benefits and social benefits falling liquid film MVR vapo(u)rization system as claimed in claim 1, it is characterized in that, a steam afterburner is provided with between the material outlet of a described effect material preheater and the material inlet of 1st effective evaporator, the steam inlet of described evaporation afterburner is connected with steam supply mechanism, steam condensate (SC) is discharged outside system by the steam-condensation water out of described evaporation afterburner, the material inlet of described steam afterburner is communicated with a material outlet of imitating material preheater, and the described material outlet of steam afterburner is communicated with the material inlet of 1st effective evaporator.
5. economic benefits and social benefits falling liquid film MVR vapo(u)rization system as claimed in claim 1, it is characterized in that, the discharging opening and one of a described effect head tank is imitated between the material inlet of material preheater, between the product concentrate import of a described effect material preheater and the material outlet of 1st effective evaporator, the discharging opening and two of described two effect head tanks is imitated between the material inlet of material preheater, a pneumatic control valve and flow meters is provided with between the product concentrate import of described two effect material preheaters and the material outlet of 2nd effect evaporator, a described effect feedstock pump, one effect product pump, two effect feedstock pumps and two effect product pumps are variable frequency pump.
6. economic benefits and social benefits falling liquid film MVR vapo(u)rization system as claimed in claim 1, it is characterized in that, described vapour compression machine is centrifugal vapor compressor.
7. the economic benefits and social benefits falling liquid film MVR vapo(u)rization system as described in any one of claim 1 to 6, is characterized in that, also comprises the PLC control device of a control described economic benefits and social benefits falling liquid film MVR vapo(u)rization system.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104307195A (en) * | 2014-10-10 | 2015-01-28 | 上海远跃制药机械有限公司 | Double-effect falling film MVR evaporation system |
| CN110433514A (en) * | 2018-05-03 | 2019-11-12 | 温州龙强机械科技有限公司 | Double-effect falling film evaporator |
-
2014
- 2014-10-10 CN CN201420582518.6U patent/CN204193535U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104307195A (en) * | 2014-10-10 | 2015-01-28 | 上海远跃制药机械有限公司 | Double-effect falling film MVR evaporation system |
| CN104307195B (en) * | 2014-10-10 | 2016-04-13 | 上海远跃制药机械有限公司 | Economic benefits and social benefits falling liquid film MVR vapo(u)rization system |
| CN110433514A (en) * | 2018-05-03 | 2019-11-12 | 温州龙强机械科技有限公司 | Double-effect falling film evaporator |
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