CN105174330B - The apparatus and method for preparing distilled water with negative pressure low-temperature boiling are driven based on heat pump - Google Patents
The apparatus and method for preparing distilled water with negative pressure low-temperature boiling are driven based on heat pump Download PDFInfo
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- CN105174330B CN105174330B CN201410262295.XA CN201410262295A CN105174330B CN 105174330 B CN105174330 B CN 105174330B CN 201410262295 A CN201410262295 A CN 201410262295A CN 105174330 B CN105174330 B CN 105174330B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
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Abstract
The present invention proposes a kind of combination heat pump techniques and the energy-efficient preparation facilities of distilled water of negative pressure low-temperature boiling technology.The present apparatus is used as driving heat source using the condenser of heat pump, heating amount is provided for the water in generation tank, low-temperature boiling occurs for the water being under condition of negative pressure, the most of evaporator by heat pump of vapor of generation, which is cooled down, to be condensed, remaining a small amount of vapor is cooled down by air to be condensed, so that distilled water is made.Vavuum pump discontinuous operation, brought into operation required subnormal ambient with generation device.Compared to air-distillation method, the present apparatus is without high-grade high temperature heat source.Compared with general vacuum distillation, the present apparatus combines heat pump techniques, refrigerant is made full use of within the condenser with the outside heat release of the state of relatively-high temperature, in evaporator with the state of relative low temperature from the characteristics of outer heat absorption, therefore device has the high remarkable advantage of Energy Efficiency Ratio, and the operating cost for producing distilled water can be greatly reduced.
Description
Technical field
The present invention relates to one kind distill water preparation apparatus, and in particular to it is a kind of condition of negative pressure using the condenser of heat pump as
The distilled water low temperature preparation device of steam generation thermal source, meanwhile, the evaporator of heat pump provides main cold for Water vapor condensation.
Background technology
The preparation process of distilled water mainly includes two steps of boiling water and Water vapor condensation.The usual process is all normal
What pressure was carried out, the saturation temperature of correspondence water is 100 DEG C, it is therefore desirable to high-grade thermal source.And under condition of negative pressure, water is relatively low
At a temperature of can seethe with excitement, thus can be using the low-grade heat source for being easier to obtain, such as useless/waste heat, solar energy.However,
Under condition of negative pressure, the condensation of vapor is also required to complete under corresponding lower temperature, and this just proposes higher to low-temperature receiver
It is required that.
The content of the invention
In the present invention, the present inventor is on the basis of its granted patent 201010034147.4, it is proposed that with reference to heat
The distilled water low temperature preparation device of pump technology, wherein, set up subnormal ambient using vavuum pump so that still-process can be relatively low
At a temperature of carry out.More than 4 heating efficiency is usually constructed with view of heat pump, that is, inputs 1W compressor work, at least 4W can be obtained
Heating capacity and 3W refrigerating capacity, low temperature distillation together with heat pump techniques reasonable combination, utilizes the cold of heat pump by the present inventor
Condenser as steam generation thermal source to provide the heating amount needed for boiling water, meanwhile, the evaporator of heat pump is then one and is in more
Low-temperature receiver under low temperature, cold is provided for the condensation of vapor.Because the thermal discharge of condenser in heat pump is more than evaporator
Caloric receptivity, system needs extra cold just vapor is condensed completely, thus in water system one in parallel it is air-cooled
Exchanged heat between condenser, with external environment, to handle the heat of condensation of this some residual.The whole process cycle consumes vacuum
Pump work, a small amount of continuous compressor work, Energy Efficiency Ratio are high, and energy-saving effect is notable.
It is an object of the invention to provide a kind of combination heat pump techniques and the distilled water low temperature system of negative pressure low-temperature boiling technology
Standby device, occurs thermal source respectively as vapor using the condenser and evaporator of heat pump and condenses low-temperature receiver, under condition of negative pressure
Realize with low grade heat energy and prepare distilled water compared with low energy consumption.
The purpose of the present invention is achieved through the following technical solutions.With reference to the steaming of heat pump techniques and negative pressure low-temperature boiling technology
Distilled water low temperature preparation device includes：Heat pump, it includes compressor, condenser, heating power expansion valve, evaporator；Water system, its
Valve, air-cooled condensation are collected including generation tank, evaporator, solidifying water pot, vavuum pump, extraction valve, inlet valve, clout valve, distilled water
Device；Refrigerant is compressed in the heat pump, condenses, throttle, evaporation Four processes complete a steam compression type refrigeration
Circulation, therebetween, refrigerant heat release within the condenser are absorbed heat in evaporator；After negative pressure water in generation tank is heated by condenser
Boiling, produces vapor, then is condensed by evaporator and air cooled condenser cooling, so that distilled water is made.
According to one embodiment of present invention, the heat pump includes：Compressor, condenser, heating power expansion valve, evaporation
Device, four critical pieces connect and compose closed loop by metal tube, and refrigerant vapour is compressed by the compressor and heating of boosting, and is entered
Enter condenser and be condensed into liquid (or gas-liquid two-phase), while outwards releasing heat, refrigerant is then by heating power expansion valve throttling
Decompression cooling, into evaporator, absorbs outside heat and flashes to gaseous state, return to compressor, complete a steam compression type system
SAPMAC method.
Wherein, the condenser is fin-tube type structure, and evaporator is plank frame.
According to one embodiment of present invention, the water system includes：Generation tank, evaporator, solidifying water pot, vavuum pump, take out
Air valve, inlet valve, clout valve, distilled water collect valve, and vavuum pump provides subnormal ambient for system, extraction valve is opened during pumping；It is former
Material water is inhaled into generation tank from inlet valve；All valves are closed in still-process；Negative pressure water in generation tank is heated by condenser
To seething with excitement, the vapor of generation is largely cooled into the vapor side of evaporator, condenses into aqueous water, and another part water steams
Airsetting water pot enters air cooled condenser, and aqueous water is condensed into function of environment heat emission, thus completes the complete condensation of vapor, obtains
Distilled water be temporarily stored within solidifying water pot；After the completion of still-process, open distilled water and collect valve, take out the distilled water produced,
Clout valve is opened, clout water is released, prevents the internal stiffening water of tank and gathers and fouling.
Wherein, the air cooled condenser is fin-tube type structure.
According to one embodiment of present invention, the still-process is discontinuous operation pattern, and a workflow completes it
Afterwards, it is necessary to be evacuated, feed again.
According to one embodiment of present invention, carried out between the heat pump and water system by condenser and evaporator
Heat exchange, condenser is embedded in generation tank, is reserved interface and is connected with heat pump miscellaneous part.
According to an aspect of the invention, there is provided a kind of combination heat pump techniques and the distilled water of negative pressure low-temperature boiling technology
Low temperature preparation device, it is characterised in that including：
Heat pump,
Water system,
Heat exchange is carried out by condenser and evaporator between wherein described heat pump and water system.
According to the further aspect of the present invention, above-mentioned distilled water low temperature preparation device is characterised by：
The heat pump includes：
Compressor, for compressed gaseous refrigerant,
Condenser, the gaseous refrigerant for heating of being boosted after compression is condensed,
Heating power expansion valve, for being throttled to condensed refrigerant,
Evaporator,
The water system includes：
The evaporator,
Vavuum pump, for being vacuumized to generation tank, forms negative pressure,
Generation tank, for holding raw water, and makes raw water and flows through the refrigerant progress heat exchange of the condenser, make
Raw water is flashed under negative pressure, generates vapor, and the vapor of generation is conveyed to carry out heat exchange and heat release with evaporator, formed
Condensed water,
Solidifying water pot, for collecting and storing condensed water.
Brief description of the drawings
Fig. 1 is the principle schematic of the specific embodiment of the present invention.
Embodiment
Technical scheme is illustrated with reference to the accompanying drawings and detailed description.
As shown in figure 1, being included according to the specific embodiment of the present invention：Heat pump A, water system B.Shown in Fig. 1
Embodiment in, pass through condenser 2 and evaporator 4 between heat pump A and water system B and carry out heat exchange, during work, two
System is in closed environment.
As shown in figure 1, according to the specific embodiment of the present invention, heat pump A includes compressor 1, is embedded in hair
Condenser 2, heating power expansion valve 3, evaporator 4 in raw tank 5.
As shown in figure 1, according to the specific embodiment of the present invention, water system B includes evaporator 4, generation tank 5, coagulated
Water pot 6, vavuum pump 7, the extraction valve 8 installed in the top of generation tank 5, the inlet valve 9 installed in the middle part of generation tank 5, it is arranged on
The clout valve 10 of the bottom of generation tank 5, the distilled water installed in the solidifying bottom of water pot 6 collect valve 11, air cooled condenser 12.
Before distillation work starts, extraction valve 8 is opened, and water system B is evacuated to negative pressure state by vavuum pump 7, closes extraction valve
8.Inlet valve 9 is opened, raw water is sucked into generation tank 5, raw water is flashed under the environment under low pressure of generation tank 5, and vapor is gradually
Full of water system B.When the raw water in generation tank 5 no longer seethes with excitement at normal temperatures, feeding work is completed, and now starts compressor
1, gaseous refrigerant boosts heating after compression, condenses, is then throttled through heating power expansion valve 3 into condenser 2, pressure reduction,
Temperature drop.At the same time, the condensation heat that the water absorptive condenser 2 in generation tank 5 is discharged, occurs low temperature under condition of negative pressure
Boiling, the vapor of generation largely enters the vapor side of evaporator 4, and the water that remainder enters air cooled condenser 12 steams
Gas side.Vapor is exchanged heat with the low-temperature refrigerant after throttling in evaporator 4, condenses into aqueous water, and refrigerant then steams
Send out into gaseous state and return to compressor, complete a steam compression type refrigeration circulation.In heat pump A, the thermal discharge of condenser 2 is big
In the caloric receptivity of evaporator 4, therefore, vapor in the vapor side of evaporator 4 without condensing solidifying water pot completely, it is remaining a small amount of
Vapor is exchanged heat in air cooled condenser 12 with external environment, condenses into aqueous water, flows into solidifying water pot 6.
Service intermittent is used with reference to the distilled water low temperature preparation device of heat pump techniques and negative pressure low-temperature boiling technology
Pattern, still-process was carried out after a period of time, and the raw water in generation tank 5 is gradually decreased, and hardness gradually increases.Moreover, water
System B condition of negative pressure may be deteriorated.Now, compressor 1 is closed down, device is stopped, opens clout valve 10, release remaining
Expect water, open distilled water and collect valve 11, take out distilled water.Again it is evacuated, feeds, starts new workflow.
The distillation water preparation apparatus and method of the present invention, the remarkable advantage with efficient energy-conservation.Compared with embrane method, it is made
Water quality is high, it is high (waste water is seldom) to obtain water rate, and need not regularly replace membrane material, and use cost is low.Seethed with excitement with conventional atmospheric
The way of distillation is compared, power savings clearly, and without scale problems.The present apparatus, can basis while distilled water is produced
Need, the temperature of made distilled water is flexibly controlled in the range of room temperature without dramatically increasing energy consumption.The present invention can be used for by weight
The various fields such as the preparation that purification, barreled or the pipeline of metallic pollution water directly drink pure water.
It the above is only the concrete application example of the present invention, protection scope of the present invention be not limited in any way.It is all to use
Technical scheme formed by equivalent transformation or equivalent replacement, all falls within rights protection scope of the present invention.
Claims (6)
1. the distilled water low temperature preparation device of a kind of combination heat pump techniques and negative pressure low-temperature boiling technology, it is characterised in that including：
Heat pump (A),
Water system (B),
Heat exchange is carried out by condenser (2) and evaporator (4) between wherein described heat pump (A) and water system (B),
Wherein：
The heat pump (A) includes：
Compressor (1), for compressed gaseous refrigerant,
Condenser (2), the gaseous refrigerant for heating of being boosted after compression is condensed,
Heating power expansion valve (3), for being throttled to condensed refrigerant,
Evaporator (4),
The water system (B) includes：
The evaporator (4),
Vavuum pump (7), for being vacuumized to generation tank (5), forms negative pressure,
Generation tank (5), for holding raw water, and makes raw water and flows through the refrigerant progress heat exchange of the condenser (2),
Raw water is flashed under negative pressure, generate vapor, the vapor of generation is conveyed to carry out heat exchange with evaporator (4) and put
Heat, forms condensed water,
Solidifying water pot (6), for collecting and storing condensed water,
The distilled water low temperature preparation device further comprises：
Extraction valve (8), vavuum pump (7) provides extraction valve (8) and generation tank (5) is vacuumized,
Inlet valve (9), raw water is inhaled into generation tank (5) by inlet valve (9),
Clout valve (10), for releasing the clout water in generation tank (5),
Distilled water collects valve (11), the distilled water for taking out storage in solidifying water pot (6),
The part for being introduced into evaporator (4) in air cooled condenser (12), generation tank (5) in the vapor of generation enters air-cooled
The vapor side of condenser (12), is exchanged heat with external environment, condenses into aqueous water, flows into solidifying water pot (6).
2. the distilled water low temperature preparation device of combination heat pump techniques according to claim 1 and negative pressure low-temperature boiling technology,
Characterized in that, compressor (1), condenser (2), heating power expansion valve (3), evaporator (4) are connected into closed time by metal tube
Road, refrigerant flows through each part successively, successively through overcompression, condensation, throttling, evaporation process, completes a steam compression type system
SAPMAC method.
3. the distilled water low temperature preparation device of combination heat pump techniques according to claim 1 and negative pressure low-temperature boiling technology,
Characterized in that, the condenser (2) of heat pump is embedded in generation tank (5) inside, it is immersed in water, is stayed on the outside of generation tank (5)
Outgoing interface is connected with heat pump (A)；Condenser (2) is fin-tube type structure, and refrigerant is in Bottomhole pressure.
4. the distilled water low temperature preparation device of combination heat pump techniques according to claim 1 and negative pressure low-temperature boiling technology,
Characterized in that, the evaporator (4) of heat pump is plank frame, it is divided into refrigerant side and vapor side, refrigerant side is connected to
Heat pump (A), vapor side is connected to water system (B).
5. the distilled water low temperature preparation device of combination heat pump techniques according to claim 1 and negative pressure low-temperature boiling technology,
Characterized in that, generation tank (5), evaporator (4), air cooled condenser (12), solidifying water pot (6) connect into closed system by pipeline
System, wherein evaporator (4) is in parallel with air cooled condenser (12)；Vavuum pump (7) is connected to generation tank (5) via extraction valve (8)
Top, is that water system (B) provides subnormal ambient；Inlet valve (9) is arranged in the middle part of generation tank (5)；Clout valve (10) is arranged on hair
Raw tank (5) bottom；Distilled water collects valve (11) and is arranged on solidifying water pot (6) bottom；Air cooled condenser (12) is arranged on generation tank
It is in parallel with evaporator (4) between solidifying water pot (6).
6. the distilled water low temperature preparation device of combination heat pump techniques according to claim 1 and negative pressure low-temperature boiling technology,
Characterized in that, air cooled condenser (12) is fin-tube type structure, it is divided into vapor side and air side, vapor side is connected to water system
Unite (B), air side is connected to environment.
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| CN201410262295.XA CN105174330B (en) | 2014-06-12 | 2014-06-12 | The apparatus and method for preparing distilled water with negative pressure low-temperature boiling are driven based on heat pump |
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| CN201410262295.XA CN105174330B (en) | 2014-06-12 | 2014-06-12 | The apparatus and method for preparing distilled water with negative pressure low-temperature boiling are driven based on heat pump |
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| TWI606859B (en) * | 2016-09-01 | 2017-12-01 | 復盛股份有限公司 | Vacuum distillation apparatu with multiple heat sources and control method thereof |
| CN108203129B (en) * | 2016-12-16 | 2021-06-22 | 北京航空航天大学 | Injection type negative pressure seawater desalination device driven by heat pump and method |
| KR102549953B1 (en) | 2018-03-07 | 2023-06-29 | 에너전 인크. | Adsorption based heat pump |
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| CN111620395A (en) * | 2020-04-14 | 2020-09-04 | 上海问鼎环保科技有限公司 | High-concentration waste liquid evaporator and waste liquid treatment method thereof |
| CN111595064B (en) * | 2020-06-17 | 2024-06-04 | 哈尔滨工大金涛科技股份有限公司 | Vapor compression flooded heat pump unit for sewage and wastewater source |
| CN111777252B (en) * | 2020-07-10 | 2022-07-15 | 陕西理工大学 | Anti-blocking seawater desalination device based on graphene filtration |
| CN113028635A (en) * | 2021-04-07 | 2021-06-25 | 威海广泰空港设备股份有限公司 | Air conditioner condensate water recovery and elimination device, elimination method and condensate water-free air conditioning system |
| CN113149107A (en) * | 2021-04-26 | 2021-07-23 | 程刚 | Small air-cooled distilled water preparing device |
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