CN207072815U - The seawater desalination system of carbon dioxide refrigeration circulation - Google Patents
The seawater desalination system of carbon dioxide refrigeration circulation Download PDFInfo
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- CN207072815U CN207072815U CN201720318140.2U CN201720318140U CN207072815U CN 207072815 U CN207072815 U CN 207072815U CN 201720318140 U CN201720318140 U CN 201720318140U CN 207072815 U CN207072815 U CN 207072815U
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Abstract
The utility model provides a kind of seawater desalination system of carbon dioxide refrigeration circulation, it is characterised in that including：Hydrate sea water desalinating unit, seawater and hydrating agents are made to carry out hydration reaction generation hydrate slurry and decompose to obtain fresh water and hydrating agents by the hydrate slurry；Hydrating agents EGR, connect and exchange heat with hydrate sea water desalinating unit, hydrating agents are reclaimed, and be supplied to hydrate sea water desalinating unit；And vortex tube refrigerating device, exported with cold side outlet and hot junction, connected with hydrating agents EGR, for the hydrating agents after being exchanged heat in hydrating agents EGR to be divided into hot and cold two parts, so the seawater desalination system of carbon dioxide refrigeration circulation of the present utility model not only realizes recycling for hydrating agents gas, and fresh water can just be extracted without additionally configuring power supply device and refrigerating plant, so as to reduce energy consumption.
Description
Technical field
It the utility model is related to field of seawater desalination, and in particular to a kind of desalinization based on carbon dioxide refrigeration circulation
System.
Background technology
Water is lifespring and cradle, is the essential base substance of mankind's existence, life and production, is
The basic natural resources that must be valuable that can not be replaced on the earth is an important factor for forming geological environment and the control of ecological environment
One of key element, while and important strategic resource and the Organic structure of a national overall national strength.The scarcity of water resource is
Gradually influence global economy and ecological environment.Relevant bodies of the United Nations once pointed out that " freshwater resources are in short supply will seriously to restrict 21 century
Economy and social development, and it is possible to cause to break out war between country ".
Desalination technology is exactly in brief the salinity removed in seawater and obtains the fresh water that can directly drink, tradition
Desalination technology include multistage flash evaporation (MSF), its advantage, which is that technical maturity equipment is simple and reliable, to be advantageous to maximize, still
High construction investment is also important restriction factor.Multi-effect flashing steam (MEd) technology, its advantage are to utilize low-grade heat source, reduce life
Cost is produced, but evaporating temperature constrains the thermal efficiency.Counter-infiltration (RO) technology, its advantage are that energy consumption is low, and the construction period is short, still
It is very strict to the pre-processing requirements of seawater.
Hydrate is a kind of environmentally friendly desalination technology of comparison.With energy consumption is low, equipment is simple, hydrating agents price is low
Many advantages, such as honest and clean, wide material sources.Hydrate desalinization is one using hydrating agents gas molecule with the hydrone in seawater
Hydrate slurry is generated under fixed condition, the aqueous water for be extracted into endothermic decomposition in decomposition of hydrate device by circulating pump, decompositing is cooling down
In device be heated flash to vapor, vapor in driven fresh water condenser heat release cooling finally obtain fresh water.Hydrate seawater is light
The great advantage of change is that energy consumption is low, equipment is simple, maintenance operating cost is low；Solubility of the hydrating agents gas in water or salt solution
It is low, nontoxic, cheap and easy to get, no explosion danger.In addition, some advantages that it also has freezing need not such as be carried out in advance to seawater
Processing, corrosion are lighter etc..
Hydrate has following characteristics：(1) hydrate generation and decomposable process are completely reciprocal, generate the raw material of hydrate
Only gas and water, the resultant product after decomposition also only has gas and water, environment is not polluted, and water is big in nature
Amount is deposited big and cheap；(2) gas hydrate synthesis and the temperature, pressure condition decomposed are relatively mild.Hydrate slurry is at ambient pressure
A kind of solid-liquid two-phase suspension of similar ice slurry, is made up of some tiny microgranular Study of Clathrate Hydrates and the aqueous solution, 5~
There is very high heat density in 12 DEG C of temperature ranges, can generates under normal pressure and low pressure operating mode.
The utility model patent of Patent No. 200910214077.8 discloses one kind and utilizes liquified natural gas (LNG) cold energy
The system for carrying out desalinization, include urban water supply system, cities and towns air supply system, LNG handling and stocking system, hydrate sea
Water desalination system and seawater extraction system.The sea water service system is high to LNG cold energy uses rate, high financial profit, cost of investment
It is small, the influence to environment.But its shortcoming is also apparent, i.e., desalinization depends on LNG cold energy, therefore the seawater desalination system is only
It can build in around LNG receiving stations, limit the popularization and application of the seawater desalination system.
In addition, a kind of method of desalinization is disclosed in the utility model patent of Patent No. 201110134047.3,
This method needs to cool down seawater before hydration reaction, increases its degree of supercooling, thus needs extra configuration cooling water system
System, the complexity of equipment is added, add the energy consumption of system.
Utility model content
The utility model is carried out for above-mentioned problem, and it is an object of the present invention to provide one kind is simple in construction, without optional equipment
The seawater desalination system of the carbon dioxide refrigeration of energy supply or refrigerating plant circulation.
The utility model to achieve the above object, employs following technical scheme：
The utility model provides a kind of seawater desalination system of carbon dioxide refrigeration circulation, it is characterised in that including：Hydration
Thing sea water desalinating unit, seawater and hydrating agents are made to carry out hydration reaction generation hydrate slurry and decompose to obtain by the hydrate slurry light
Water and hydrating agents；Hydrating agents EGR, connect and exchange heat with hydrate sea water desalinating unit, hydrating agents are reclaimed, and provides
Give hydrate sea water desalinating unit；And vortex tube refrigerating device, there is cold side outlet and hot junction to export, circulate and fill with hydrating agents
Connection is put, for the hydrating agents after being exchanged heat in hydrating agents EGR to be divided into hot and cold two parts, wherein, hydrate seawater is light
Makeup put including：For making hydrating agents and seawater carry out the hydrate generation kettle of hydration reaction generation hydrate slurry；The port of export with
Hydrate generation kettle is connected, and seawater is pumped into the sea water pump of hydrate generation kettle；Arrival end generates kettle phase with the hydrate
The hydrate pump of connection；It is connected with the port of export of the hydrate pump, hydrate slurry is resolved into the hydration of fresh hydrating agents
Thing decomposer；And the fresh water pump being connected with the port of export below the side of decomposition of hydrate device, hydrate generation kettle have
The body of stainless steel；Positioned at the body bottom portion, the seawater inlet being connected with the port of export of sea water pump；On the side of body
Side, the hydrate outlet being connected with the arrival end of hydrate pump；Positioned at the hydrating agents entrance of body bottom portion, and positioned at this
Exhaust outlet at the top of body, hydrating agents EGR include：First gas pipe, arrival end are connected with the top of decomposition of hydrate device
It is logical, hydrate slurry is decomposed obtained hydrating agents discharge；Second gas pipe, arrival end are connected with the exhaust outlet of hydrate generation kettle
It is logical；Gas mixing tank, arrival end are connected with the port of export of first gas pipe, the port of export of second gas pipe；Recuperative heat exchanger,
With cold fluid inlet, cold fluid outlet, thermal fluid inlet and hot fluid outlet ports, cold fluid inlet goes out with gas mixing tank
Mouth end is connected；Gas-drying apparatus, arrival end are connected with cold fluid outlet, for drying the gas of hydrating agents；Gas boosting
Pump, arrival end are connected with the port of export of gas-drying apparatus, hydrating agents is heated up for compressing hydrating agents, gas boosting pump goes out
Mouth end is connected with the thermal fluid inlet of Recuperative heat exchanger；The hot fluid outlet ports of third gas pipe, arrival end and Recuperative heat exchanger
It is connected, the port of export connects with vortex tube refrigerating device；The hot junction outlet of 4th flue, arrival end and vortex tube refrigerating device
Connection, the port of export connects with decomposition of hydrate device, and makes hydrate slurry in the decomposition of hydrate by decomposition of hydrate device
Heat release in device；5th flue, arrival end connect with the cold side outlet of the vortex tube refrigerating device, the port of export and the hydration
The hydrating agents entrance connection in thing generation bottom portion.
In the seawater desalination system of carbon dioxide refrigeration provided by the utility model circulation, can also have such special
Sign：Wherein, hydrating agents are CO2。
In the seawater desalination system of carbon dioxide refrigeration provided by the utility model circulation, can also have such special
Sign：Wherein, hydrate sea water desalinating unit also includes floating ball type liquid-level meter, and the floating ball type liquid-level meter is arranged on hydrate generation kettle
In, for detecting the liquid level of the hydrate slurry in hydrate generation kettle.
In the seawater desalination system of carbon dioxide refrigeration provided by the utility model circulation, can also have such
Feature：Wherein, vortex tube refrigerating device includes vortex tube that arrival end is connected with the third gas pipe, is arranged on hot junction and goes out
First flow regulating valve on mouth and the second flow regulating valve being arranged on cold side outlet.
In the seawater desalination system of carbon dioxide refrigeration provided by the utility model circulation, can also have such special
Sign：Wherein, the 4th flue is snakelike heat exchange coil.
The effect of utility model and effect
The seawater desalination system of carbon dioxide refrigeration circulation involved by the utility model, because can be using vortex tube
Hydrating agents gas is divided into hot and cold two strands of air-flows, and cold airflow comes out from cold side outlet, enters hydrate reaction by the 5th flue
In kettle, generation hydrate slurry is reacted with water, then hydrate slurry is transported in decomposition of hydrate device by hydrate pump, thermal current
Decomposition of hydrate device is entered by the 4th flue, is exchanged heat with hydrate slurry and causes hydrate slurry to resolve into carbon dioxide and light
Water, thermal current own temperature declines after heat exchange so that the gas flow temperature into Recuperative heat exchanger declines, and reduces subsequent gases increasing
The power consumption of press, so the seawater desalination system of carbon dioxide refrigeration of the present utility model circulation not only realizes hydrating agents gas
Recycle, and fresh water can just be extracted without additionally configuring power supply device and refrigerating plant, so as to reduce energy
Consumption.
In addition, because hydrate is transported in decomposition of hydrate device as carrier using hydrate slurry, therefore avoid
The danger of solid-state Hydrate Plugging pipe-line system.
Brief description of the drawings
Fig. 1 is the structural representation of the seawater desalination system that carbon dioxide refrigeration circulates in embodiment of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the seawater desalination system that the carbon dioxide refrigeration involved by the utility model circulates is made detailed
Illustrate.
Fig. 1 is the structural representation of the seawater desalination system that carbon dioxide refrigeration circulates in embodiment of the present utility model.
As shown in figure 1, carbon dioxide refrigeration circulation seawater desalination system 100 include hydrate sea water desalinating unit 10,
Hydrating agents EGR 20 and vortex tube refrigerating device 30.
Hydrate sea water desalinating unit 10 is used for making seawater and hydrating agents to carry out hydration reaction generation hydrate slurry and should
Hydrate slurry decomposes to obtain fresh water and the hydrating agents, and hydrate sea water desalinating unit 10 includes sea water pump 11, hydrate generates
Kettle 12, hydrate pump 13, decomposition of hydrate device 14, fresh water pump 15 and floating ball type liquid-level meter 16.In the present embodiment, hydrating agents
For CO2。
The arrival end of sea water pump 11 connects seawater by pipeline, and the first control valve 17, the first regulation are provided with pipeline
Valve 17 is used for adjusting the inflow of seawater, and the port of export connection hydrate generation kettle 12 of sea water pump 11 is in the present embodiment, extra large
The seawater of water pump suction is to have filtered the seawater after solid impurity.
There is hydrate generation kettle 12 body 121, seawater inlet 122, the hydrate outlet 123 of stainless steel, hydrating agents to enter
Mouth 124 and exhaust outlet 125.Seawater inlet 122 is located at the bottom of body 121, is connected with the port of export of sea water pump 11.Hydrate
Outlet 123 is connected above the side of body 121 with the arrival end of hydrate pump 13.Hydrating agents entrance 124 is positioned at this
The bottom of body 121, is connected with vortex tube refrigerating device 30.Exhaust outlet 125 is located at the top of body 121, with hydrating agents EGR
20 are connected.
The arrival end of hydrate pump 13 is connected with the hydrate outlet 123 of hydrate generation kettle 12, the port of export and hydration
Thing decomposer 14 is connected.
It is connected above the side of decomposition of hydrate device 14 with the port of export of hydrate pump 13, top fills with hydrate circulation
Put 20 to be connected, the port of export below side is connected with fresh water pump 15.
The entrance point of fresh water pump 15 connects with the port of export below the side of decomposition of hydrate device 14, and the port of export is light with outside
Water collecting device is connected by connecting line, and the connecting line is provided with the second control valve 151, and the second control valve 151 is used
To adjust the fresh water outlet amount of the port of export of fresh water pump 15.
Floating ball type liquid-level meter 16 is arranged in hydrate generation kettle 12, and its lower end generates the bottom of kettle 12 close to hydrate
Portion, upper end is in the top of hydrate generation kettle 12, and centre is a bar and floats over the ball float on hydrate slurry, by ball float
Inductor is moved up and down to detect the liquid level of the hydrate slurry in hydrate generation kettle 12.
As shown in figure 1, hydrating agents EGR 20 is used for reclaiming hydrating agents, and it is supplied to hydrate sea water desalinating unit
10, hydrating agents EGR 20 includes first gas pipe 21, gas mixing tank 22, Recuperative heat exchanger 23, gas-drying apparatus 24, gas
Body booster pump 25, second gas pipe 26, third gas pipe 27, the 4th flue 28 and the 5th flue 29.
The arrival end of first gas pipe 21 is connected with the port of export at the top of decomposition of hydrate device 14, the port of export and gas mixing
Tank 22 is connected.
Gas mixing tank 22 has three entrance points and one outlet end, and three entrance points are respectively the first entrance point,
Two entrance points, triple feed inlet end, the first entrance point connect with the port of export of first gas pipe 21, the second entrance point and second gas
Pipe 26 connects, and triple feed inlet end connects with the 4th flue 28.The port of export of gas mixing tank 22 connects with Recuperative heat exchanger 23.
There is Recuperative heat exchanger 23 cold fluid inlet 231, cold fluid outlet 232, thermal fluid inlet 233 and hot fluid to go out
Mouth 234.Cold fluid inlet 231 is connected with the port of export of gas mixing tank 22 by being connected tracheae.
The arrival end of gas-drying apparatus 24 is connected with the cold fluid outlet 232 of Recuperative heat exchanger 23 by being connected tracheae,
The 3rd regulating valve 241 is provided with the connection tracheae, the cold fluid that the 3rd regulating valve 241 is used for adjusting from Recuperative heat exchanger 23 goes out
Mouth 232 arrives the tolerance of gas-drying apparatus 24, and gas-drying apparatus 24 is used for that hydrating agents gas is dried.
The arrival end of gas boosting pump 25 is connected with the port of export of gas-drying apparatus 24, and it is used for entering hydrating agents gas
Row pressurizes and heated up, and the port of export of gas boosting pump 25 is connected with the hot fluid outlet ports 234 of Recuperative heat exchanger 23.
The arrival end of second gas pipe 26 is connected with the exhaust outlet 125 at the top of hydrate generation kettle 12, the port of export and gas
Second entrance point of body blending tank 22 is connected.
The arrival end of third gas pipe 27 is connected with the hot fluid outlet ports 234 of Recuperative heat exchanger 23, the port of export and vortex
Control device for cooling 30 is connected.
The arrival end of 4th flue 28 is connected with vortex tube refrigerating device 30, the port of export with
3rd outlet of gas mixing tank 22 is connected, the 4th flue 28 and by decomposition of hydrate device 14, with hydration
Hydrate slurry heat exchange in thing decomposer 14 so that hydrate slurry resolves into fresh water and hydrating agents.4th flue 28 is being hydrated
Part in thing decomposer 14 is spiral snakelike heat exchange coil 281.In addition, the 4th tune is additionally provided with the 4th flue 28
Valve 282 is saved, the 4th regulating valve 281 is used for controlling the tolerance in the 4th flue 28.
The arrival end of 5th flue 29 is connected with the cold side outlet of vortex tube refrigerating device 30, and kettle is generated with hydrate
The hydrating agents entrance 124 of 12 bottoms connects.
Vortex tube refrigerating device 30 includes vortex tube 31, first flow regulating valve 32 and second flow regulating valve 33, whirlpool
Flow tube 31 has an entrance point, hot junction outlet and cold side outlet, the port of export phase of its entrance point and third gas pipe 27
Connection, hot junction outlet are connected with the entrance point of the 4th flue 28, and cold side outlet is connected with the entrance point of the 5th flue 29
It is logical.First flow regulating valve 32 is arranged in the outlet of hot junction, for adjusting the tolerance for being passed through the 4th flue 28.Second flow is adjusted
Section valve 33 is arranged on cold side outlet, for adjusting the tolerance for being passed through the 5th flue 29.
The operation principle of the seawater desalination system of carbon dioxide refrigeration circulation involved by the present embodiment and using process it is：
When the seawater desalination system 100 that the carbon dioxide refrigeration using the present embodiment circulates desalinizes seawater, operator is first
Sea water pump 11 is first opened, seawater is pumped into hydrate by seawater inlet 122 generates in kettle 12, is passed through with hydrating agents entrance 124
Low temperature hydrating agents reaction after produce hydrate slurry.The hydration on the upper strata of kettle 12 will be generated positioned at hydrate using hydrate pump 13
Thing slurry is extracted out by hydrate outlet 123, is sent into decomposition of hydrate device 14, and hydrate slurry absorbs heat in decomposition of hydrate device 14 to be divided
Solution, obtains hydrating agents and fresh water.Fresh water is extracted out be sent in the fresh water collecting device of outside again by fresh water pump.
The hydrating agents gas of hydrate slurry decomposition generation is discharged to gas from first gas pipe 21 and mixed in decomposition of hydrate device 14
Close in filling 22, then 22 cold fluid inlets 231 for entering Recuperative heat exchanger 23 are filled from gas mixing, hydrating agents gas changes in backheat
Gas-drying apparatus 24 is entered from cold fluid outlet 232 after being exchanged heat in hot device 23, by 24 dried hydrating agents of gas-drying apparatus
Gas enters gas boosting pump 25, the increasing temperature and pressure under the compression of gas boosting pump 24, the hydrating agents gas after increasing temperature and pressure
Body is entered in Recuperative heat exchanger 23 with filling the 22 hydrating agents gas converting heats for entering low temperature in Recuperative heat exchanger from gas mixing.
The hydrating agents gas of high pressure, which enters, after heat exchange forms hot water mixture gas and cold water mixture gas in vortex tube 31, heat
Hydrating agents gas is in the snakelike heat exchange coil 281 in by the 4th flue 28, with the hydrate in decomposition of hydrate device 14
Slurry heat exchange so that hydrate slurry is thermally decomposed into fresh water and hydrating agents gas, and the hydrating agents gas passes into the 4th flue
28 enter gas mixing fill 22 in recycle.Cold water mixture gas enters hydrate generation kettle 12 by the 5th flue 29
The hydrating agents entrance 124 of bottom recycles with seawater reaction, the unnecessary water that hydrate generation kettle 12 top vent 125 comes out
Mixture gas is recycled by connecting tracheae into rear in gas mixing filling 22.
The effect of embodiment and effect
The seawater desalination system of carbon dioxide refrigeration circulation involved by the present embodiment, because can be water using vortex tube
Mixture gas is divided into hot and cold two strands of air-flows, and cold airflow comes out from cold side outlet, enters hydrate reaction kettle by the 5th flue
In, generation hydrate slurry is reacted with water, then hydrate slurry is transported in decomposition of hydrate device by hydrate pump, hot gas circulation
Cross the 4th flue and enter decomposition of hydrate device, exchanged heat with hydrate slurry and cause hydrate slurry to resolve into carbon dioxide and fresh water,
Thermal current own temperature declines after heat exchange so that the gas flow temperature into Recuperative heat exchanger declines, and reduces subsequent gases supercharging
The power consumption of machine, so the seawater desalination system of the carbon dioxide refrigeration circulation of the present embodiment not only realizes following for hydrating agents gas
Ring utilizes, and can just be extracted fresh water without additionally configuring power supply device and refrigerating plant, so as to reduce energy consumption.
In addition, because hydrate is transported in decomposition of hydrate device as carrier using hydrate slurry, therefore avoid
The danger of solid-state Hydrate Plugging pipe-line system.
In addition, the hydrating agents gas materials used in the seawater desalination system are simple, energy-conserving and environment-protective；Using solid-liquid two-phase
Hydrate slurry conveys hydrate as carrier, so as to avoid solid-state Hydrate Plugging pipeline.
Certainly, involved by the utility model carbon dioxide refrigeration circulation seawater desalination system be not merely defined in
Structure described in upper embodiment.The basic explanation under the utility model design is these are only, and according to skill of the present utility model
Any equivalent transformation that art scheme is made, all should belong to the scope of protection of the utility model.
Claims (5)
- A kind of 1. seawater desalination system of carbon dioxide refrigeration circulation, it is characterised in that including：Hydrate sea water desalinating unit, seawater and hydrating agents are made to carry out hydration reaction generation hydrate slurry and divide the hydrate slurry Solution obtains fresh water and the hydrating agents；Hydrating agents EGR, connect and exchange heat with the hydrate sea water desalinating unit, the hydrating agents are reclaimed, and provides To the hydrate sea water desalinating unit；AndVortex tube refrigerating device, there is cold side outlet and hot junction to export, connected with the hydrating agents EGR, for by described in The hydrating agents after being exchanged heat in hydrating agents EGR are divided into hot and cold two parts,Wherein, the hydrate sea water desalinating unit includes：For making the hydrating agents and the seawater carry out hydration reaction life Hydrate into the hydrate slurry generates kettle；The port of export is connected with hydrate generation kettle, by described in seawater suction Hydrate generates the sea water pump of kettle；The hydrate pump that arrival end is connected with hydrate generation kettle；With going out for the hydrate pump Mouth end is connected, and the hydrate slurry is resolved into the decomposition of hydrate device of hydrating agents described in fresh；And with the hydration The fresh water pump that the port of export below the side of thing decomposer is connected,The hydrate generation kettle has the body of stainless steel；Positioned at the body bottom portion, it is connected with the port of export of the sea water pump Logical seawater inlet；Above the side of the body, the hydrate being connected with the arrival end of the hydrate pump exports； Positioned at the hydrating agents entrance of the body bottom portion, and the exhaust outlet positioned at the bodies top,The hydrating agents EGR includes：First gas pipe, arrival end make the hydrate slurry decompose what is obtained with being connected at the top of the decomposition of hydrate device The hydrating agents discharge；Second gas pipe, arrival end are connected with the exhaust outlet of hydrate generation kettle；Gas mixing tank, arrival end are connected with the port of export of the first gas pipe, the port of export of second gas pipe；Recuperative heat exchanger, there is cold fluid inlet, cold fluid outlet, thermal fluid inlet and hot fluid outlet ports, the cold fluid Entrance is connected with the port of export of the gas mixing tank；Gas-drying apparatus, arrival end are connected with the cold fluid outlet, for drying the gas of the hydrating agents；Gas boosting pump, arrival end are connected with the port of export of the gas-drying apparatus, for compress the hydrating agents make it is described Hydrating agents heat up, and the port of export of the gas boosting pump is connected with the thermal fluid inlet of the Recuperative heat exchanger；Third gas pipe, arrival end are connected with the hot fluid outlet ports of the Recuperative heat exchanger, the port of export and the swirl control Device for cooling connects；4th flue, the hot junction outlet of arrival end and the vortex tube refrigerating device, the port of export and the hydrate point Device connection is solved, and hydrate slurry heat release in the decomposition of hydrate device is made by the decomposition of hydrate device；5th flue, arrival end are connected with the cold side outlet of the vortex tube refrigerating device, and the port of export is given birth to the hydrate Hydrating agents entrance into bottom portion connects.
- 2. the seawater desalination system of carbon dioxide refrigeration circulation according to claim 1, it is characterised in that：Wherein, the hydrating agents are CO2。
- 3. the seawater desalination system of carbon dioxide refrigeration circulation according to claim 1, it is characterised in that：Wherein, the hydrate sea water desalinating unit also includes floating ball type liquid-level meter, and the floating ball type liquid-level meter is arranged on the water In compound generation kettle, for detecting the liquid level of the hydrate slurry in the hydrate generation kettle.
- 4. the seawater desalination system of carbon dioxide refrigeration circulation according to claim 1, it is characterised in that：Wherein, the vortex tube refrigerating device include arrival end be connected with the third gas pipe vortex tube, be arranged on institute State the first flow regulating valve in the outlet of hot junction and the second flow regulating valve being arranged on the cold side outlet.
- 5. the seawater desalination system of carbon dioxide refrigeration circulation according to claim 1, it is characterised in that：Wherein, the 4th flue is snakelike heat exchange coil.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109761297A (en) * | 2019-02-25 | 2019-05-17 | 上海理工大学 | Based on NH3-CO2The seawater desalination system of cascade refrigeration |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109761297A (en) * | 2019-02-25 | 2019-05-17 | 上海理工大学 | Based on NH3-CO2The seawater desalination system of cascade refrigeration |
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Granted publication date: 20180306 Termination date: 20190329 |