CN103908789A - MVR (mechanical vapor recompression) heat pump vaporization system for accelerating to start up by adopting energy accumulation water tank - Google Patents
MVR (mechanical vapor recompression) heat pump vaporization system for accelerating to start up by adopting energy accumulation water tank Download PDFInfo
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- CN103908789A CN103908789A CN201410131263.6A CN201410131263A CN103908789A CN 103908789 A CN103908789 A CN 103908789A CN 201410131263 A CN201410131263 A CN 201410131263A CN 103908789 A CN103908789 A CN 103908789A
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Abstract
The invention relates to the technical field of industrial heat pump vaporization, and particularly relates to an MVR (mechanical vapor recompression) heat pump vaporization system for accelerating to start up by adopting an energy accumulation water tank. The MVR heat pump vaporization system for accelerating to start up by adopting the energy accumulation water tank comprises an energy accumulation water tank, a vapor compression system, a climbing film evaporator, a separator and a residual heat recovery system which are connected by pipelines, wherein the outlet of the energy accumulation water tank is connected with an inlet of a vapor compressor system; an outlet of the vapor compressor system is connected with a compression vapor inlet of the climbing film evaporator; a vapor outlet of the climbing film evaporator is connected with an inlet of the vapor compressor system; a concentrated solution exhausted by the climbing film evaporator and/or condensation water after vapor condensation flows through the residual heat recovery system by pipelines to preheat an original solution. The MVR heat pump vaporization system for accelerating to start up by adopting the energy accumulation water tank, which is provided by the invention, accelerates the start-up preheating process of the MVR system, prevents influences on performances of a compressor by circulation of noncondensable gases in the system, and reduces the consumption of solution evaporation energy sources.
Description
Technical field
The present invention relates to industrial heat pump evaporation technique field, relate in particular to a kind of energy storage water tank that adopts and accelerate the MVR thermo-compression evaporation system starting.
Background technology
Along with the growth of energy resource consumption, the especially strong growth of primary energy consumption, the continuing to increase of global CO2 emissions, to the discharge of the year two thousand thirty than exceeding 27% at present.The CO2 emission that the consumption of primary energy causes is the main cause that causes global warming, in order to alleviate the transition consumption of fossil energy and the Climatic issues of bringing thereof, has taked in the world many measures to reduce carbon emission.As energy resource consumption the biggest in the world big country, the energy-saving and emission-reduction arduous task of China, in order to realize the promise that reduces carbon emission, in " 12 " planning, the main contents of China using energy-conserving and environment-protective technology as " strategic new industry ".
Industrial evaporation is the consumption rich and influential family of primary energy, and in fields such as chemical industry, food, medicine, environmental protection, concentrated, the crystallization of solution are all to utilize industrial evaporation to realize.Traditional evaporation technology adopts multiple-effect evaporation technology more, and its energy consumption is high, floor space is large.MVR technology is compared with multiple-effect evaporation technology, and completely yield indirect steam, has broken away from the dependence to steam boiler, and has avoided cooling tower and cooling-water consumption, energy consumption.Due to its significant energy conservation characteristic, MVR system only need to be injected a small amount of energy just can maintain system operation, but it is slow also to exist system to start simultaneously, and still needs primary steam as pre-heat energy, has reduced the advantage of its minimizing primary energy consumption.
Very to the problems referred to above, the application provides a kind of and can utilize heat in energy storage water tank as pre-heat energy, and the thermo-compression evaporation system that can play fast.
Summary of the invention
The object of the invention is to propose a kind of energy storage water tank that adopts and accelerate the MVR thermo-compression evaporation system starting, there is toggle speed faster, and break away from the dependence to primary energy and improved the utilization rate of the energy.
For reaching this object, the present invention by the following technical solutions:
Adopt energy storage water tank to accelerate the MVR thermo-compression evaporation system starting, wherein, comprise the energy storage water tank, water vapor pressure compression system, climbing film evaporator, separator and the residual neat recovering system that connect by pipeline;
The outlet of described energy storage water tank is connected with the entrance of described water vapour compression machine system, and the outlet of described water vapour compression machine system is connected with the compressed steam entrance of described climbing film evaporator;
Described climbing film evaporator steam (vapor) outlet is connected with the entrance of described water vapour compression machine system by separator;
The concentrate that described climbing film evaporator is discharged after concentrated and/or the condensed condensed water of water vapour carry out preheating by the pipeline residual neat recovering system of flowing through to original solution.
A kind of preferred version that accelerates the MVR thermo-compression evaporation system starting as above-mentioned employing energy storage water tank, is provided with water intaking valve and draining valve, for heating the non-aqueous fluid heat exchanging pipe of water in energy storage water tank on described energy storage water tank.
A kind of preferred version that accelerates the MVR thermo-compression evaporation system starting as above-mentioned employing energy storage water tank, the bottom of described energy storage water tank is also provided with electric heating device.
Accelerate a kind of preferred version of the MVR thermo-compression evaporation system starting as above-mentioned employing energy storage water tank, between described energy storage water tank and water vapour compression machine system, on connecting line, be provided with magnetic valve.
Accelerate a kind of preferred version of the MVR thermo-compression evaporation system starting as above-mentioned employing energy storage water tank, described climbing film evaporator is shell and tube evaporator, it comprises upper cover, staving and low head, and be arranged on tubulation and the tube sheet in staving, between described tube sheet and upper cover, there is the separated space of initial gross separation steam and concentrated solution.
Accelerate a kind of preferred version of the MVR thermo-compression evaporation system starting as above-mentioned employing energy storage water tank, described climbing film evaporator also comprises circulation fluid outlet, circulation fluid entrance and circulating pump.
Accelerate a kind of preferred version of the MVR thermo-compression evaporation system starting as above-mentioned employing energy storage water tank, described separator is the separator with the spiral flow at inlet separation, the separation of middle part baffling and three kinds of separate modes of top silk screen seizure, it comprises upper shell and lower shell, on described lower shell, be provided with the air inlet pipe of separator, between upper shell and lower shell, be provided with stainless steel cloth, be also provided with discharge channel in the bottom of lower shell.
A kind of preferred version that accelerates the MVR thermo-compression evaporation system starting as above-mentioned employing energy storage water tank, described residual neat recovering system comprises two-stage heat exchanger, the pipeline of described conveying stoste at least by described two-stage heat exchanger one of them; The transfer pipeline of discharge condensed water by two-stage heat exchanger one of them, the pipeline of discharge concentrate is by another in two-stage heat exchanger.
Accelerate a kind of preferred version of the MVR thermo-compression evaporation system starting as above-mentioned employing energy storage water tank, the pipeline of discharge concentrate comprises the first branch road and the second branch road, described the first branch road is for the direct discharge of concentrate, and the second branch road is by two-stage heat exchanger after one of them and make concentrate and heat exchanger carry out discharging concentrate after exchange heat again; On described the first branch road and the second branch road, be provided with the control valve of controlling the first branch road and the switching of the second branch road.
Accelerate a kind of preferred version of the MVR thermo-compression evaporation system starting as above-mentioned employing energy storage water tank, also comprise the spray equipment of eliminating the degree of superheat for partial condensation water being sprayed into water vapour compression machine system.
Beneficial effect of the present invention is: the application provides a kind of energy storage water tank that adopts to accelerate the MVR thermo-compression evaporation system starting: it reclaims low grade residual heat by energy storage water tank, in the start-up course of MVR system, by the low pressure evaporation of hot water in energy storage water tank, hot water sensible heat is converted into low-pressure steam latent heat, recycles.Abandon the dependence of system starting process to primary energy, greatly improved the energy independence of MVR system; Simultaneously owing to utilizing the low-pressure steam that in energy storage water tank, evaporation produces in start-up course, avoid the stop of fixed gas in system in conventional MVR start-up course, improve the operational efficiency of compressor, greatly reduced the additional thermal resistance of fixed gas in condensing heat-exchange process simultaneously; Energy storage water tank reclaims low-grade heat in several ways, and is equipped with electric heating device, guarantees the needs that MVR system starts, and can carry out concurrent heating to the system of stable operation simultaneously, maintains system thermal balance; Its climbing film evaporator has preliminary gas-liquid separation effect, and the gas-liquid separation that has reduced separator meets, and reduces separator volume, and can make separator be absorbed in the raising of separating effect; The separator adopting in the application is efficient three grades of separators, and classification separates the solution droplets of carrying secretly in steam, has improved separating effect; Adopt two-stage residual neat recovering system, can reclaim according to concrete material operating mode the waste heat of condensed water and concentrate feed simultaneously, or only reclaim condensation water residual heat.
Accompanying drawing explanation
Fig. 1 is the structural representation that the employing energy storage water tank that provides of the specific embodiment of the invention accelerates the MVR thermo-compression evaporation system starting;
Fig. 2 is the structural representation of the climbing film evaporator that provides of the specific embodiment of the invention;
Fig. 3 is the structural representation of the separator that provides of the specific embodiment of the invention;
Fig. 4 is the structural representation of the energy storage water tank that provides of the specific embodiment of the invention;
Fig. 5 is the structural representation of the residual neat recovering system that provides of the specific embodiment of the invention.
Wherein:
1: water vapour compression machine system; 2: residual neat recovering system; 3: climbing film evaporator; 4: condensate water pot; 5: spray equipment; 6: circulating pump; 7: flow bypass valve; 8: separator; 9: condensed water plate type heat exchanger; 10: feed pump; 11: condensate pump; 12: concentrate feed plate type heat exchanger; 13: energy storage water tank;
301: steam (vapor) outlet; 302: visor; 303: upper cover; 304: tube sheet; 305: tubulation; 306: compressed steam entrance; 307: condensation-water drain; 308: low head; 309: stoste import; 310: concentrated solution outlet; 311: circulation fluid outlet; 312: cylindrical shell; 313: fixed gas air bleeding valve; 314: circulation fluid outlet;
801: liquid level gauge; 802: baffling sleeve; 803: stainless steel cloth; 804: steam (vapor) outlet; 805: upper shell; 806: lower shell; 807: air inlet pipe; 808: discharge channel;
131: fixed gas air bleeding valve; 132: water intaking valve; 133: inlet valve; 134: draining valve; 135: electric auxiliary hot heater; 136: heat exchanging pipe; 137: magnetic valve.
The specific embodiment
Further illustrate technical scheme of the present invention below in conjunction with accompanying drawing and by the specific embodiment.
As shown in Figure 1, a kind of energy storage water tank that adopts providing for present embodiment accelerates steam recompression heat pump (MVR) vapo(u)rization system starting, system mainly comprises water vapour compression machine system 1, climbing film evaporator 3, efficient three grades of separators 8, energy storage water tank 13 and residual neat recovering system 2.And this system has two kinds of operating modes: be respectively start operating performance and accidental conditions.
Annexation between the each critical piece of above-mentioned vapo(u)rization system is: the outlet of energy storage water tank 13 is connected with the entrance of water vapour compression machine system 1, the outlet of water vapour compression machine system 1 is connected with the compressed steam entrance of climbing film evaporator 3, this kind of energy storage water tank 13, water vapour compression machine system 1 and climbing film evaporator 3 threes' connected mode, realizes energy storage water tank and provides the effect that starts heat and thermal balance and compensation for system.
Climbing film evaporator 3 steam (vapor) outlets are connected by the entrance of separator 8 and water vapour compression machine system 1, and in climbing film evaporator 3, the heat of the concentrated generation of solution can and be the concentrated heat that provides of solution by second-compressed thus;
Meanwhile, the exhaust outlet of energy storage water tank 13 and separator 8 is all connected with the air inlet of climbing film evaporator 3 by pipeline, and is provided with flow bypass valve 7 on this connecting line.
The solution that climbing film evaporator 3 is discharged after concentrated and/or the condensed condensed water of water vapour carry out preheating by the pipeline residual neat recovering system 2 of flowing through to original solution.
Above-mentioned thermo-compression evaporation system also comprises the spray equipment 5 of eliminating the degree of superheat for partial condensation water being sprayed into water vapour compression machine system 1.
As shown in Figure 2, climbing film evaporator 3 is that tubulation is evaporimeter, is directly used in solution evaporation process.This climbing film evaporator 3 comprises low head 308, cylindrical shell 312 and upper cover 303.Wherein, the bottom of low head 308 is provided with circulation fluid entrance 311, concentrated solution outlet 310 and stoste import 309.In cylindrical shell 312, be provided with tubulation 305, and be arranged on the tube sheet 304 at tubulation 305 two ends, the liquid chamber being positioned on upper cover 303 and above tube sheet 304 has circulation fluid outlet 314; The middle part of cylindrical shell 312 is provided with compressed steam entrance 306, and the bottom of cylindrical shell 312 is provided with condensation-water drain 307.Steam (vapor) outlet 301 is arranged on the top of upper cover 303, and on upper cover 303, offers the visor 302 of observing upper cover 303 inner cases.Also be provided with fixed gas air bleeding valve 313 on the top of cylindrical shell 312, fixed gas can extract by the external water ring vacuum pump of fixed gas air bleeding valve 313 simultaneously.
At the steady running condition of system, material liquid enters after climbing film evaporator by material liquid import 309, produces the mixture of steam and concentrated solution along tubulation 305 climbing-film evaporations; The heat of heated solution is from the heat release of recompression steam-condensation, recompression steam derives from compressor (water vapour compression machine system) produces indirect steam recompression to climbing film evaporator 3, enter the shell-side condensation of cylindrical shell 312 by compressed steam entrance 306, condensed condensed water is drawn from condensation-water drain 307, goes to the condensate water pot 4 being connected with condensation-water drain 307; Mixture is in climbing film evaporator 3 top liquid chamber initial gross separations, and concentrate exports 314 by circulation fluid and flows out, and turns back to circulation fluid entrance 311 through circulating pump 6, carries out feed liquid circulation; Isolated steam is drawn by steam (vapor) outlet 301, goes to separator 8, after separator 8 separates, enters water vapor pressure contracting machine system 1.
At the start operating performance of system, material liquid under the effect of circulating pump 6, in tubulation 305, circulation fluid outlet 314, circulation between circulating pump 6 and circulation fluid entrance 311, now due to the feed temperature temperature that do not reach capacity, feed liquid is not evaporated and coverlet heat phase just; The heat of heated solution is from the heat release of recompression steam-condensation, and recompression steam derives from the recompression of compressor to energy storage water tank generation water vapour, and this steam and condensed water thereof pass in and out cylindrical shell 312 by steam inlet 306 and condensation-water drain 307;
As shown in Figure 3, it comprises upper shell 805 and lower shell 806 efficient three grades of separators 4, on lower shell 806, be provided with the air inlet pipe 807 of separator, between upper shell 805 and lower shell 806, be provided with stainless steel cloth 803, be also provided with discharge channel 808 and liquid level gauge 801 in the bottom of lower shell 806.These efficient three grades of separators 4 be at steady running condition to separating from the indirect steam of climbing film evaporator 3, separate the solution droplets of wherein carrying secretly.These efficient three grades of separators adopt three kinds of separate modes: the spiral flow at inlet separates, and middle part baffling separates with the silk screen filter of outlet and separates.Indirect steam enters separator lower shell 806 by steam eddy flow entrance 807, and forms eddy flow, and larger drop is thrown to cylindrical shell wall by the centrifugal force of eddy flow, realizes first separation; Steam drainage after eddy flow enters baffling sleeve 802, and the baffling up and down by steam in sleeve, further throws away drop, realizes the second level and separates; Finally, steam, by stainless steel cloth 803, catches away less solution droplets again, realizes third level separation, solution after separation enters the circulation fluid entrance 311 of climbing film evaporator 3 by pipeline, steam enters water vapour compression machine system 1 by steam (vapor) outlet 804.
As shown in Figure 4, the Main Function of energy storage water tank 13 is the low-grade hot water of storage, and hot water can be directly from the low-temperature water heating of discarding or utilize solar energy heating, also can utilize the water in low-grade waste water heating hot water storage tank and obtain.When directly recycling low-grade hot water, hot water passes in and out energy storage water tank by water intaking valve 132 and draining valve 134; In the time utilizing low-grade waste water etc., waste water is from inlet valve 133, by the water heat exchange in non-aqueous fluid heat exchanging pipe 136 and energy storage water tank, reclaims its waste heat.For additional heat, also utilize electric heating device 135 to regulate energy storage water tank temperature.If introduced fixed gas in water tank, can extract by the external Water-ring vacuum table of fixed gas air bleeding valve 131.
At the steady running condition of MVR vapo(u)rization system, energy storage water tank 13 only plays the effect of thermal balance and compensation, magnetic valve 137 between energy storage water tank 13 and water vapour compression machine system 1 is normally closed, when system is because disturbance thermal balance is unbalance time, magnetic valve 137 is opened, and energy storage water tank is connected with suction port of compressor; Under the suction of compressor, the pressure decreased in energy storage water tank 13 is to saturation temperature corresponding to hot water temperature, and hot water evaporation produces from bleed steam, and hot water temperature reduces simultaneously; The steam that evaporation produces supplements as system thermal, condensation heat release in climbing film evaporator 3.
At the start operating performance of system, magnetic valve 137 first cuts out, and water vapour compression machine system 1 starts, and takes out the most of air in place's climbing film evaporator 3 and separator 4; Then open magnetic valve 137, the air-breathing low pressure causing in energy storage water tank 13 of water vapour compression machine 1, hot water evaporation produces from bleed steam, after the steam that evaporation produces recompresses by compressor, enters condensation heat release in climbing film evaporator 3, preheating original solution.Now, because original solution does not evaporate, the heat release of recompression steam-condensation is used for heating single-phase original solution.
As shown in Figure 5, residual neat recovering system is for fully reclaiming the waste heat of MVR thermo-compression evaporation system condensed water and concentrated solution, and it comprises two-stage heat exchanger, the pipeline of carrying stoste at least by two-stage heat exchanger one of them; The transfer pipeline of discharge condensed water by two-stage heat exchanger one of them, the pipeline of discharge concentrate is by another in two-stage heat exchanger.
Wherein, two-stage heat exchanger is respectively condensed water plate type heat exchanger 9 and concentrate feed plate type heat exchanger 12, on the pipeline of conveying stoste, is also provided with feed pump 10, on the pipeline of conveying condensed water, is also provided with condensate pump 11.Carry the pipeline of stoste to comprise two branch roads that are interconnected, two branch roads entered respectively condensed water plate type heat exchanger 9 and concentrate feed plate type heat exchanger 12, and were provided with control valve on each branch road.The pipeline of discharge concentrate comprises the first branch road and the second branch road, and the first branch road is for the direct discharge of concentrate, and the second branch road is by two-stage heat exchanger after one of them and make concentrate and heat exchanger carry out discharging concentrate after exchange heat again; On the first branch road and the second branch road, be provided with the control valve of controlling the first branch road and the switching of the second branch road.Concrete, the second branch road is by concentrate feed plate-type evaporator 12, and the transfer pipeline of discharge condensed water is by condensed water plate type heat exchanger 9.
When handled material is non temperature-sensibility material, while being difficult for occurring crystallization, fouling because of cooling, recyclable concentrate feed fluid residual heat.Now, open concentrate feed plate-type evaporator 12 front and back associated solenoid valve, reclaim concentrate feed waste heat, heating original solution.When handled material is temperature sensitivity material, when the easy crystallization because lower the temperature, fouling, close concentrate feed plate type heat exchanger 12 front and back related valves, directly, by the first branch road discharge, do not reclaim its waste heat.
The operation principle of quick, the efficient start-up course of the MVR thermo-compression evaporation system of the present embodiment is: water vapour compression machine system 1 is first extracted out after intrasystem most of air, open magnetic valve 137,1 suction of water vapour compression machine system causes the low pressure in energy storage water tank 13; When pressure decreased is during to saturation temperature corresponding to hot water temperature, hot water starts to absorb self sensible heat evaporation, produces from bleed steam, and hot water temperature reduces simultaneously, and hot water sensible heat is utilized; The steam producing compresses the recompression of machine system 1 by water vapour, improved steam enthalpy, enters in climbing film evaporator 3 heating original solution.Original solution is in the effect of circulating pump 6, forced circulation in tubulation 305, and the coefficient of heat transfer is larger, absorbs the heat that the outer steam-condensation of tubulation 305 discharges, and improves self sensible heat, to realize the preheating of solution.When temperature in solution is preheating to energy storage water tank 13 after hot water cooling, shut electromagnetic valve 137, system now can realize normal operation.Now, the indirect steam that solution evaporation produces, enters after 1 recompression of water vapour compression machine system, improve temperature, pressure, turn back to the shell-side condensation heat release of climbing film evaporator 3, heating source solution, until evaporating pressure reaches needed duty parameter, realize steady running condition.
Know-why of the present invention has below been described in conjunction with specific embodiments.These are described is in order to explain principle of the present invention, and can not be interpreted as by any way limiting the scope of the invention.Based on explanation herein, those skilled in the art does not need to pay performing creative labour can associate other specific embodiment of the present invention, within these modes all will fall into protection scope of the present invention.
Claims (10)
1. adopt energy storage water tank to accelerate the MVR thermo-compression evaporation system starting, it is characterized in that, comprise the energy storage water tank, water vapor pressure compression system, climbing film evaporator, separator and the residual neat recovering system that connect by pipeline;
The outlet of described energy storage water tank is connected with the entrance of described water vapour compression machine system, and the outlet of described water vapour compression machine system is connected with the compressed steam entrance of described climbing film evaporator;
Described climbing film evaporator steam (vapor) outlet is connected with the entrance of described water vapour compression machine system by separator;
The concentrate that described climbing film evaporator is discharged after concentrated and/or the condensed condensed water of water vapour carry out preheating by the pipeline residual neat recovering system of flowing through to original solution.
2. employing energy storage water tank according to claim 1 accelerates the MVR thermo-compression evaporation system starting, and it is characterized in that, is provided with water intaking valve and draining valve, for heating the non-aqueous fluid heat exchanging pipe of water in energy storage water tank on described energy storage water tank.
3. employing energy storage water tank according to claim 2 accelerates the MVR thermo-compression evaporation system starting, and it is characterized in that, the bottom of described energy storage water tank is also provided with electric heating device.
4. employing energy storage water tank according to claim 2 accelerates the MVR thermo-compression evaporation system starting, and it is characterized in that, between described energy storage water tank and water vapour compression machine system, on connecting line, is provided with magnetic valve.
5. employing energy storage water tank according to claim 1 accelerates the MVR thermo-compression evaporation system starting, it is characterized in that, described climbing film evaporator is shell and tube evaporator, it comprises upper cover, staving and low head, and be arranged on tubulation and the tube sheet in staving, between described tube sheet and upper cover, there is the separated space of initial gross separation steam and concentrated solution.
6. employing energy storage water tank according to claim 5 accelerates the MVR thermo-compression evaporation system starting, and it is characterized in that, described climbing film evaporator also comprises circulation fluid outlet, circulation fluid entrance and circulating pump.
7. employing energy storage water tank according to claim 1 accelerates the MVR thermo-compression evaporation system starting, it is characterized in that, described separator is the separator with the spiral flow at inlet separation, the separation of middle part baffling and three kinds of separate modes of top silk screen seizure, it comprises upper shell and lower shell, on described lower shell, be provided with the air inlet pipe of separator, between upper shell and lower shell, be provided with stainless steel cloth, be also provided with discharge channel in the bottom of lower shell.
8. employing energy storage water tank according to claim 1 accelerates the MVR thermo-compression evaporation system starting, and it is characterized in that, described residual neat recovering system comprises two-stage heat exchanger, the pipeline of described conveying stoste at least by described two-stage heat exchanger one of them; The transfer pipeline of discharge condensed water by two-stage heat exchanger one of them, the pipeline of discharge concentrate is by another in two-stage heat exchanger.
9. employing energy storage water tank according to claim 8 accelerates the MVR thermo-compression evaporation system starting, it is characterized in that, the pipeline of discharge concentrate comprises the first branch road and the second branch road, described the first branch road is for the direct discharge of concentrate, and the second branch road makes concentrate and heat exchanger carry out discharging concentrate after exchange heat by two-stage heat exchanger after one of them again; On described the first branch road and the second branch road, be provided with the control valve of controlling the first branch road and the switching of the second branch road.
10. employing energy storage water tank according to claim 1 accelerates the MVR thermo-compression evaporation system starting, and it is characterized in that, also comprises the spray equipment of eliminating the degree of superheat for partial condensation water being sprayed into water vapour compression machine system.
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| CN104888479A (en) * | 2015-06-17 | 2015-09-09 | 航天晨光股份有限公司 | Modular MVR (mechanical vapor recompression) heat pump evaporation device |
| CN104922921A (en) * | 2015-06-17 | 2015-09-23 | 上海核工程研究设计院 | Self-circulation MVR heat pump evaporation system |
| CN104986815A (en) * | 2015-07-07 | 2015-10-21 | 上海理工大学 | Universal type evaporation and concentration system experiment device based on heat pump and rising film evaporation principle |
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| CN109432809A (en) * | 2018-12-28 | 2019-03-08 | 深圳市鼎深科技有限公司 | A kind of efficient cryogenic vapo(u)rization system |
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| CN113856227A (en) * | 2021-09-30 | 2021-12-31 | 泰安渤洋化工科技有限公司 | MVR heat pump system with low-temperature evaporation and low-pressure steam recycling functions |
| CN117361669A (en) * | 2023-11-27 | 2024-01-09 | 山东乐水医疗器械科技有限公司 | Hot-pressing distilled water machine |
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| CN109364506A (en) * | 2018-12-03 | 2019-02-22 | 中国科学院理化技术研究所 | Skid-mounted type MVR vaporising device |
| CN109364506B (en) * | 2018-12-03 | 2021-04-06 | 中国科学院理化技术研究所 | Skid-mounted MVR evaporation device |
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