CN106730962A - Condensing source heat pump Subcooled heat recovery drives single-effect distillator - Google Patents
Condensing source heat pump Subcooled heat recovery drives single-effect distillator Download PDFInfo
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- CN106730962A CN106730962A CN201710024073.8A CN201710024073A CN106730962A CN 106730962 A CN106730962 A CN 106730962A CN 201710024073 A CN201710024073 A CN 201710024073A CN 106730962 A CN106730962 A CN 106730962A
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- heat
- heat pump
- siphon
- condenser
- salt solution
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/007—Energy recuperation; Heat pumps
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/38—Treatment of water, waste water, or sewage by centrifugal separation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B30/00—Heat pumps
- F25B30/02—Heat pumps of the compression type
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/08—Seawater, e.g. for desalination
Abstract
A kind of condensing source heat pump Subcooled heat recovery drives single-effect distillator：System integration condensing source heat pump and single effect distillation technique, are the products transboundary of heat pump industry and distillation industry；The latent heat of condensation that single effect distillation technique distills out indirect steam is reclaimed using the dry evaporator of condensing source heat pump；Distillation thermal source, driving single effect distillation technique are provided with condenser, persistently produce indirect steam by heat pump cycle；Indirect steam flow to dry evaporator from the top of condenser with low speed, can both realize the integrated design of condenser and evaporator, removes steam drive power from again；Realize heat pump driven single effect distillation technique.
Description
(1) technical field
The present invention relates to a kind of desalinization, food processing, beverage production, sewage disposal, clean water treatment, sewerage disposing,
The condensing source heat pump Subcooled heat recovery that chemical industry, household water purifying, commercial Water warfare, household electrical appliance are used drives single effect distillation
Device.
(2) background technology
Pressure decatize distillation unit：Seawater is heated in the evaporation side of evaporative condenser and distills out indirect steam, by water vapor pressure
After contracting machine is compressed to improve pressure and temperature, the condensation side of evaporative condenser is re-entered, condensed into as heating steam
Its latent heat of condensation is reclaimed while for fresh water, sea water by distillation latent heat is provided with for its evaporation side so that the driving energy consumption drop of device
It is extremely minimum；Additionally, supplement seawater reclaims the sensible heat taken in fresh water and discharge salt solution, so that the heat power efficiency of device is further carried
It is high.
The advantage of the device is as follows：(1) reclaim the indirect steam latent heat of condensation and take the sensible heat of fresh water and discharge salt solution,
To realize independent distillation procedure, the input shaft work of wherein water vapour compressor compensates exactly for device heat waste；(2) device drives electricity
It is 11-66kW*h/t to consume；(3) product water quality is up to standard for drinking.
But press the shortcoming of decatize distillation unit also to restrict its further development：(1) price of water vapour compressor is extremely held high
It is expensive, it is complex without oil tech, so as to cause product reliability reduction, maintenance difficult；(2) device belongs to large chemical equipment,
Therefore, it is difficult to realize miniaturization, electrification of domestic；(3) because the chemical liveness flex point of water is 60 DEG C, therefore for corrosive solution
Or heat sensitive material, it is necessary to using less than 70 DEG C of cryogenic distillation process, and the density in vacuum due to water vapour is too low, leads
The inspiratory capacity of cause water vapour compressor, higher than heat pump compressor, makes its economy extreme difference, delivery date grow slowly into hundred times, maintenance cost
It is high.
(3) content of the invention
The present invention seeks to：System integration condensing source heat pump and single effect distillation technique, are heat pump industry and distillation industry
Transboundary product；The condensation for distilling out indirect steam using the dry evaporator recovery single effect distillation technique of condensing source heat pump is dived
Heat；Distillation thermal source, driving single effect distillation technique are provided with condenser, persistently produce indirect steam by heat pump cycle；Secondary steaming
Vapour flow to dry evaporator from the top of condenser with low speed, can both realize the integrated design of condenser and evaporator, exempts from again
Devaporation driving force；Realize heat pump driven single effect distillation technique.
Single-effect distillator is driven according to the condensing source heat pump Subcooled heat recovery shown in accompanying drawing 1, it is by 1- evaporators；2- coagulates water
Case；2-1- water outlets；3- liquid-level switches；4- expansion valves；4-1- devices for drying and filtering；5- compressors；5-1- driving equipments；5-2-
Cylinder sleeve regenerator；5-3- Subcooled heat recovery devices；The heat absorption of siphon circulation adverse current rises Membrane Materials condenser in 6- pipes；6-1- sea intakes；
6-2- disengagement chambers；6-3- annulus is distributed vertical siphon heat absorption tube bundle；6-4- branch chambers；6-5- cylindrical space siphon decline passways；
6-6- gaseous state heat pump fluid imports；6-7- liquid heat pump fluid is exported；6-8- brine tanks；6-9- brine outlets；6-10- is preheated
Device；6-11- steam-water separators；6-12- fixed gas outlets；7- heat pump fluids；8- seawater；9- seawater flow regulating valves；10- is light
Water；11- salt solution；12- pressure switches；13- temperature switches；14- vavuum pumps；15- fresh water regenerators；16- fresh water pumps；17- salt solution
Regenerator；18- brine pumps；19- sea water pumps；20- air bleeding valves；21- screw settling centrifuges；22- crystal salts are constituted, and its feature exists
In：
The top gaseous state heat pump fluid outlet of evaporator 1 connects siphon circulation adverse current heat absorption in compressor 5, pipe and rises by pipeline
The shell side of Membrane Materials condenser 6, Subcooled heat recovery device 5-3, device for drying and filtering 4-1, expansion valve 4, the bottom liquid heat pump fluid of evaporator 1
Import, composition heat pump cycle loop；
The heat absorption of siphon circulation adverse current rises disengagement chamber 6-2, the steam-water separator 6- on the tube side top of Membrane Materials condenser 6 in pipe
11st, the outside of evaporator 1, condensation tank 2, water outlet 2-1, composition indirect steam filtering condense loop；
The bottom liquid heat pump fluid import of evaporator 1, horizontal tube inner side, top gaseous state heat pump fluid outlet, composition heat
Hot dry type evaporation circuit is taken in the pipe of pump work substance；
The aperture of the temperature-sensitive bag closed-loop control expansion valve 4 that the top gaseous state heat pump fluid outlet outside of evaporator 1 is set, and it is swollen
The outlet of swollen valve 4 connects the bottom liquid heat pump fluid import of evaporator 1 by pipeline, and composition heat pump fluid expansion is controlled back
Road；
The heat absorption of siphon circulation adverse current rises top gaseous state heat pump fluid import 6-6, the middle part of the shell side of Membrane Materials condenser 6 in pipe
Annulus is distributed the outside of vertical siphon heat absorption tube bundle 6-3 and cylindrical space siphon decline passway 6-5, bottom liquid heat pump fluid and goes out
Mouth 6-7, constitutes the reversed flow condensation heat release loop of heat pump fluid；
The heat absorption of siphon circulation adverse current rises the bottom sea intake 6-1 of the tube side of Membrane Materials condenser 6, bottom branch chamber 6- in pipe
4th, middle part annulus is distributed the inner side of vertical siphon heat absorption tube bundle 6-3 and cylindrical space siphon decline passway 6-5, top disengagement chamber 6-
2, constitute siphon circulation adverse current heat absorption in the pipe of salt solution and rise Membrane Materials loop, wherein annulus is distributed vertical siphon heat absorption tube bundle 6-3
It is annulus distribution, vertically disposed tube bundle, center sets a cylindrical space siphon decline passway 6-5, and tube bundle inwall is more
Individual cylindrical space is set to siphon rising passway, and siphon decline passway is roughly equal with the circulation area of siphon rising passway；
The shell that the heat absorption of siphon circulation adverse current rises Membrane Materials condenser 6 in pipe is the vertically disposed face of cylinder；
The heat absorption of siphon circulation adverse current rises the tube side upper inside wall of Membrane Materials condenser 6 and sets liquid-level switch 3 in pipe, according to salt solution
The aperture of water level signal closed-loop control seawater flow regulating valve 9, and the outlet of seawater flow regulating valve 9 is connected by placed in series
Air bleeding valve 20, sea intake 6-1, constitute exhaust and the flow control circuit of seawater；
The heat absorption of siphon circulation adverse current rises the tube side top disengagement chamber 6-2 inwalls of Membrane Materials condenser 6 and sets pressure switch in pipe
12 and temperature switch 13 each；
The heat absorption of siphon circulation adverse current rises not coagulating at the top of the tube side of Membrane Materials condenser 6 in the air inlet connecting tube of vavuum pump 14
Gas outlet 6-12, composition fixed gas discharge loop；
Water outlet 2-1 connects the side of fresh water 10, the fresh water pump 16 of fresh water regenerator 15 by pipeline, constitutes taking for fresh water
With, backheat loop；
The brine outlet 6-9 of the tube side bottom of siphon circulation adverse current heat absorption liter Membrane Materials condenser 6 is connected by pipeline in pipe
The side of salt solution 11 of salt solution regenerator 17, brine pump 18, constitute discharge, the backheat loop of salt solution；
The outlet of sea water pump 19 connects diversion three-way, fresh water regenerator 15 in parallel and salt solution regenerator 17 by pipeline
The side of seawater 8, threeway of confluxing, the side of seawater 8 of Subcooled heat recovery device 5-3, the import of seawater flow regulating valve 9, composition seawater backheat are returned
Road；
The heat absorption of siphon circulation adverse current rises the inwall of the tube side bottom brine tank 6-8 of Membrane Materials condenser 6 and sets preheater in pipe
6-10, constitutes the startup preheating circuit of salt solution.
The brine outlet 6-9 of the tube side bottom of siphon circulation adverse current heat absorption liter Membrane Materials condenser 6 is connected by pipeline in pipe
The side of salt solution 11 of salt solution regenerator 17, brine pump 18, screw settling centrifuge 21 and its crystal salt 22 are exported, crystal salt 22, group
Into salt solution fractional crystallization loop；And the brine outlet of screw settling centrifuge 21 then connects the import three of sea water pump 19 by pipeline
Logical, composition salt solution is separated, mixed, circulation loop.
Screw settling centrifuge 21 is high speed freezing centrifuge 21；Or disc centrifuge 21；Or tube centrifuge
21；Or incline bridge-type centrifuge 21；Or basket centrifuge 21；Or plate and frame filter 21；Or flat panel filter machine 21；Or
It is vacuum rotating filter 21.
Driving equipment 5-1 is motor 5-1, or gas driven explosive motor 5-1, or gasoline driven internal-combustion engine
Machine 5-1, or diesel driven explosive motor 5-1, or kerosene drive explosive motor 5-1, or Stirling external combustion to start
Machine 5-1, or gas driven gas-turbine engine 5-1, or coal gas drive gas-turbine engine 5-1.
The outlet of sea water pump 19 connects diversion three-way, fresh water regenerator 15 in parallel and salt solution regenerator 17 by pipeline
The side of seawater 8, threeway of confluxing, the side of seawater 8 of the cylinder sleeve regenerator 5-2 of engine 5-1, the side of seawater 8 of Subcooled heat recovery device 5-3, sea
The import of Water flow adjusting valve 9, composition seawater step backheat loop.
Seawater 8 is municipal middle water 8, or municipal sewage 8, or salt solution 8, or sour water 8, or buck 8, or organic
Solution 8, or inorganic solution 8, or industrial wastewater 8, or mine bitter 8, or oilfield sewage 8, or chemical engineering sewage 8
In one kind.
Fresh water regenerator 15 is double pipe heat exchanger 15, or shell and tube exchanger 15, or plate type heat exchanger 15, or
Plate-fin heat exchanger 15, or coil exchanger 15, or the preheating of fresh water 10 of taking of spiral heat exchanger 15 supplement sea
The heat exchanger of water 8.
Salt solution regenerator 17 is double pipe heat exchanger 17, or shell and tube exchanger 17, or plate type heat exchanger 17, or
Plate-fin heat exchanger 17, or coil exchanger 17, or the preheating supplement of discharge salt solution 11 of spiral heat exchanger 17 are extra large
The heat exchanger of water 8.
Operation principle combination accompanying drawing 1 of the invention is described as follows：
1st, indirect steam condenses backheat：Indirect steam by top disengagement chamber 6-2 inertial separation and steam-water separator 6-
After 11 silk screen is separated, the horizontal tube outside of evaporator 1 is introduced, condensation heat condenses fresh water then to provide source heat pump heat
In dropping to condensation tank 2 according to Action of Gravity Field, then discharged by water outlet 2-1.
2nd, heat pump fluid evaporation：The temperature-sensitive bag closed-loop control that the top gaseous state heat pump fluid outlet outside of evaporator 1 is set is swollen
The aperture of swollen valve 4, so that low pressure two-phase heat pump fluid 7 flows through the import of bottom liquid heat pump fluid, the water of evaporator 1 from bottom to up
Flat heat exchanger tube inner side, top gaseous state heat pump fluid outlet, heat pump fluid therein 7 extract the condensation heat of indirect steam and dry type
Evaporation.
3rd, heat pump cycle：The top low pressure superheated gaseous heat pump fluid 7 of evaporator 1 is by combustion gas explosive motor 5-1 drivings
Compressor 5 is collapsed into high pressure superheater gaseous state heat pump fluid 7, is re-fed into managing interior siphon circulation adverse current heat absorption liter Membrane Materials condenser
6 shell side condensation turns into high pressure supercooled liquid heat pump fluid 7, flows through Subcooled heat recovery device 5-3, device for drying and filtering 4-1, then expanded
Valve 4 throttles and turns into low pressure two-phase heat pump fluid 7, the pipe inner side of evaporator 1 is back flowed back into complete heat pump cycle, while cold
Solidifying heat is released to manage the seawater 8 that interior siphon circulation adverse current heat absorption rises the tube side of Membrane Materials condenser 6.
4th, heat pump fluid condensation heat release：High pressure superheater gaseous state heat pump fluid 7 flows through the interior siphon circulation of pipe countercurrently from top to bottom
Heat absorption rises gaseous state heat pump fluid import 6-6, the vertical siphon heat absorption tube bundle of middle part annulus distribution at the top of the shell side of Membrane Materials condenser 6
The outside of 6-3 and cylindrical space siphon decline passway 6-5, bottom liquid heat pump fluid outlet 6-7, are then segmented in a counter-current configuration
Its overheat sensible heat, condensation latent heat, supercooling sensible heat are discharged, and condensing turns into high pressure supercooled liquid heat pump fluid 7.
5th, countercurrently heat absorption rises Membrane Materials after the preheating of seawater backheat：The heat absorption of siphon circulation adverse current rises Membrane Materials condenser 6 in pipe
The liquid-level switch 3 that tube side upper inside wall is set, according to the aperture of the water level signal closed-loop control seawater flow regulating valve 9 of salt solution,
So that the seawater 8 driven by sea water pump 19, after first being preheated by fresh water regenerator 15 and salt solution regenerator 17 in parallel, then is connected
Cylinder sleeve cooling and flue gas regenerator 5-2 and Subcooled heat recovery device 5-3 preheating；By the gas-liquid separation of air bleeding valve 20；Finally under
It is supreme to flow through siphon circulation adverse current heat absorption in pipe and rise the sea intake 6-1 of the tube side bottom of Membrane Materials condenser 6, bottom branch chamber 6-
4th, middle part annulus is distributed the inner side of vertical siphon heat absorption tube bundle 6-3 and cylindrical space siphon decline passway 6-5, then with adverse current side
Formula extracts the condensation heat release of heat pump fluid 7 and rises Membrane Materials, proportion and reduce, and in central cylindrical space siphon decline passway 6-5
In, because salt solution not yet distills, its temperature is relatively low, proportion is larger, therefore is sunk by Action of Gravity Field, so as to form driving reinforcing pass
The siphon circulation of heat；And after the indirect steam for producing is through the separation of top disengagement chamber 6-2, then by top steam-water separator 6-11's
Separate again and introduce on the outside of the horizontal tube of evaporator 1.
6th, fixed gas is discharged：Vavuum pump 14 is opened, is inhaled with extracting siphon circulation adverse current in pipe out from fixed gas outlet 6-12
Heat rises the fixed gas in the tube side top indirect steam of Membrane Materials condenser 6, and drains into environment.
7th, fresh water backheat：Fresh water in condensation tank 2 is driven by fresh water pump 16, flows through the side of fresh water 10 of fresh water regenerator 15,
While fresh water is taken, to discharge its sensible heat to seawater and lower the temperature.
8th, salt solution backheat：The heat absorption of siphon circulation adverse current rises the salt solution of the tube side bottom of Membrane Materials condenser 6 by brine pump in pipe
18 drive, and flow through the side of salt solution 11 of salt solution regenerator 17, while salt solution is discharged, to discharge its sensible heat to seawater and lower the temperature.
9th, crystal salt is produced：The normal temperature salt solution 11 for discharging its sensible heat to seawater and lowering the temperature, then through screw settling centrifuge 21
Separation of solid and liquid, and produce crystal salt 22 and salt solution 11；It is stand-by that the crystal salt 22 for being produced delivers to collecting pit by conveyer belt.
10th, single effect distillation circular treatment：Separate after the salt solution 11 for producing then mixes with supplement seawater 8 and send single effect distillation back to again
Circular treatment in technique, to realize the zero-emission in recycling economy.
Therefore compared with existing pressure decatize distillation unit, the technology of the present invention advantage is as follows：
(1) system integration condensing source heat pump and single effect distillation technique, are the products transboundary of heat pump industry and distillation industry；
(2) condensation for distilling out indirect steam using the dry evaporator recovery single effect distillation technique of condensing source heat pump is dived
Heat；
(3) distillation thermal source, driving single effect distillation technique provided with condenser by heat pump cycle, persistently produce secondary steaming
Vapour；
(4) indirect steam flow to dry evaporator from the top of condenser with low speed, can both realize condenser and evaporator
Integrated design, remove steam drive power from again；
(5) heat pump driven single effect distillation technique is realized.
Therefore compared with existing pressure decatize distillation unit, the technology of the present invention advantage is as follows：System integration condensing source heat pump with
Single effect distillation technique, is the product transboundary of heat pump industry and distillation industry；Reclaim single using the dry evaporator of condensing source heat pump
Effect distillation technique distills out the latent heat of condensation of indirect steam；Distillation thermal source is provided with condenser, drive list by heat pump cycle
Imitate distillation technique, persistently produce indirect steam；Indirect steam flow to dry evaporator from the top of condenser with low speed, both can be real
Existing condenser and the integrated design of evaporator, remove steam drive power from again；Realize heat pump driven single effect distillation technique.
(4) illustrate
Accompanying drawing 1 is system flow chart of the invention.
As shown in Figure 1, wherein：1- evaporators；2- condensation tanks；2-1- water outlets；3- liquid-level switches；4- expansion valves；
4-1- devices for drying and filtering；5- compressors；5-1- driving equipments；5-2- cylinder sleeve regenerators；5-3- Subcooled heat recovery devices；Siphon in 6- pipes
Circulation adverse current heat absorption rises Membrane Materials condenser；6-1- sea intakes；6-2- disengagement chambers；6-3- annulus is distributed vertical siphon endothermic tube
Cluster；6-4- branch chambers；6-5- cylindrical space siphon decline passways；6-6- gaseous state heat pump fluid imports；6-7- liquid heat pump fluids
Outlet；6-8- brine tanks；6-9- brine outlets；6-10- preheaters；6-11- steam-water separators；6-12- fixed gas outlets；7-
Heat pump fluid；8- seawater；9- seawater flow regulating valves；10- fresh water；11- salt solution；12- pressure switches；13- temperature switches；14-
Vavuum pump；15- fresh water regenerators；16- fresh water pumps；17- salt solution regenerators；18- brine pumps；19- sea water pumps；20- air bleeding valves；
21- screw settling centrifuges；22- crystal salts.
(5) specific embodiment
Heat pump Subcooled heat recovery in condensing source proposed by the present invention drives single-effect distillator embodiment as shown in Figure 1, now illustrates
It is as follows：Its evaporation takes heat 4050kW, horizontally disposed, copper tube manufacture evaporator 1；The condensation tank 2 of 1m3；Diameter 40mm/ walls
The stainless steel tube water outlet 2-1 of thick 1.5mm/ length 60mm；The molten stainless steel bit switch 3 of discrepancy in elevation 250mm；Interface diameter
The red copper expansion valve 4 of 60mm/ wall thickness 1mm；The red copper device for drying and filtering 4-1 of interface diameter 60mm/ wall thickness 1mm；Inspiratory capacity
The compressor 5 of 4000m3/h；The combustion gas explosive motor 5-1 of output shaft power 967kW；Cylinder sleeve is cooled down and flue gas backheat amount
The cylinder sleeve regenerator 5-2 of 967kW；The Subcooled heat recovery device 5-3 of backheat amount 167kW；Siphon is followed in the pipe of condensation thermal discharge 5017kW
Ring adverse current heat absorption rises Membrane Materials condenser 6；The stainless steel tube sea intake 6-1 of diameter 60mm/ wall thickness 2.5mm/ length 60mm；Directly
The cylindrical disengagement chamber 6-2 of footpath 1200mm/ height 1200mm；Bag diameter 700mm/ height 2000mm/ in overall diameter 1200mm/
The annulus of caliber 19mm is distributed vertical siphon heat absorption tube bundle 6-3；The cylindrical branch chamber 6-4 of diameter 1200mm/ height 800mm；
The cylindrical space siphon decline passway 6-5 of internal diameter 680mm/ thickness 3mm/ height 2000mm；1.5mm/ is long for diameter 120mm/ wall thickness
Spend the copper tube gaseous state heat pump fluid import 6-6 of 200mm；The copper tube liquid heat of diameter 60mm/ wall thickness 1.5mm/ length 100mm
Pump work substance exports 6-7；The brine tank 6-8 of volume 3m3；The stainless steel tube salt solution of diameter 60mm/ wall thickness 1.5mm/ length 150mm goes out
Mouth 6-9；The preheater 6-10 of heating power 500kW；Circular, screen type steam-water separator 6-11；Interface diameter 9mm/ wall thickness
The copper tube fixed gas outlet 6-12 of 0.9mm/ length 150mm；R134a heat pump fluids 7；20 DEG C of inlet temperature, flow
The seawater 8 of 11.58t/h, brine strength 35000ppm；The stainless steel seawater of interface diameter 60mm/ wall thickness 2.5mm/ length 150mm
Flow control valve 9；25 DEG C of outlet temperature, flow 5.79t/h, the fresh water 10 of brine strength 50ppm；25 DEG C of outlet temperature, flow
The salt solution 11 of 5.79t/h, brine strength 70000ppm；The pressure switch 12 of 0.5bar-2.0bar；0 DEG C -120 DEG C of temperature is opened
Close 13；The vavuum pump 14 of extraction flow 3m3/min；The bushing type fresh water regenerator 15 of backheat amount 200kW；Flow 5.79t/h, raise
The fresh water pump 16 of journey 5mH2O；The bushing type salt solution regenerator 17 of backheat amount 200kW；The salt solution of flow 5.79t/h, lift 5mH2O
Pump 18；The sea water pump 19 of flow 11.58t/h, lift 5mH2O；The stainless steel tube of diameter 60mm/ wall thickness 2.5mm/ length 160mm
Air bleeding valve 20；The screw settling centrifuge 21 of saline treatment flow 5.79t/h；25 DEG C of temperature, mass concentration 85%, flow 1t/h
Crystal salt 22 constitute.
The top gaseous state heat pump fluid outlet of evaporator 1 connects siphon circulation adverse current heat absorption in compressor 5, pipe and rises by pipeline
The shell side of Membrane Materials condenser 6, Subcooled heat recovery device 5-3, device for drying and filtering 4-1, expansion valve 4, the bottom liquid heat pump fluid of evaporator 1
Import, composition heat pump cycle loop；
The heat absorption of siphon circulation adverse current rises disengagement chamber 6-2, the steam-water separator 6- on the tube side top of Membrane Materials condenser 6 in pipe
11st, the outside of evaporator 1, condensation tank 2, water outlet 2-1, composition indirect steam filtering condense loop；
The bottom liquid heat pump fluid import of evaporator 1, horizontal tube inner side, top gaseous state heat pump fluid outlet, composition heat
Hot dry type evaporation circuit is taken in the pipe of pump work substance；
The aperture of the temperature-sensitive bag closed-loop control expansion valve 4 that the top gaseous state heat pump fluid outlet outside of evaporator 1 is set, and it is swollen
The outlet of swollen valve 4 connects the bottom liquid heat pump fluid import of evaporator 1 by pipeline, and composition heat pump fluid expansion is controlled back
Road；
The heat absorption of siphon circulation adverse current rises top gaseous state heat pump fluid import 6-6, the middle part of the shell side of Membrane Materials condenser 6 in pipe
Annulus is distributed the outside of vertical siphon heat absorption tube bundle 6-3 and cylindrical space siphon decline passway 6-5, bottom liquid heat pump fluid and goes out
Mouth 6-7, constitutes the reversed flow condensation heat release loop of heat pump fluid；
The heat absorption of siphon circulation adverse current rises the bottom sea intake 6-1 of the tube side of Membrane Materials condenser 6, bottom branch chamber 6- in pipe
4th, middle part annulus is distributed the inner side of vertical siphon heat absorption tube bundle 6-3 and cylindrical space siphon decline passway 6-5, top disengagement chamber 6-
2, constitute siphon circulation adverse current heat absorption in the pipe of salt solution and rise Membrane Materials loop, wherein annulus is distributed vertical siphon heat absorption tube bundle 6-3
It is annulus distribution, vertically disposed tube bundle, center sets a cylindrical space siphon decline passway 6-5, and tube bundle inwall is more
Individual cylindrical space is set to siphon rising passway, and siphon decline passway is roughly equal with the circulation area of siphon rising passway；
The shell that the heat absorption of siphon circulation adverse current rises Membrane Materials condenser 6 in pipe is the vertically disposed face of cylinder；
The heat absorption of siphon circulation adverse current rises the tube side upper inside wall of Membrane Materials condenser 6 and sets liquid-level switch 3 in pipe, according to salt solution
The aperture of water level signal closed-loop control seawater flow regulating valve 9, and the outlet of seawater flow regulating valve 9 is connected by placed in series
Air bleeding valve 20, sea intake 6-1, constitute exhaust and the flow control circuit of seawater；
The heat absorption of siphon circulation adverse current rises the tube side top disengagement chamber 6-2 inwalls of Membrane Materials condenser 6 and sets pressure switch in pipe
12 and temperature switch 13 each；
The heat absorption of siphon circulation adverse current rises not coagulating at the top of the tube side of Membrane Materials condenser 6 in the air inlet connecting tube of vavuum pump 14
Gas outlet 6-12, composition fixed gas discharge loop；
Water outlet 2-1 connects the side of fresh water 10, the fresh water pump 16 of fresh water regenerator 15 by pipeline, constitutes taking for fresh water
With, backheat loop；
The brine outlet 6-9 of the tube side bottom of siphon circulation adverse current heat absorption liter Membrane Materials condenser 6 is connected by pipeline in pipe
The side of salt solution 11 of salt solution regenerator 17, brine pump 18, constitute discharge, the backheat loop of salt solution；
The outlet of sea water pump 19 connects diversion three-way, fresh water regenerator 15 in parallel and salt solution regenerator 17 by pipeline
The side of seawater 8, threeway of confluxing, the side of seawater 8 of the cylinder sleeve regenerator 5-2 of engine 5-1, the side of seawater 8 of Subcooled heat recovery device 5-3, sea
The import of Water flow adjusting valve 9, composition seawater step backheat loop.
The heat absorption of siphon circulation adverse current rises the inwall of the tube side bottom brine tank 6-8 of Membrane Materials condenser 6 and sets preheater in pipe
6-10, constitutes the startup preheating circuit of salt solution.
The brine outlet 6-9 of the tube side bottom of siphon circulation adverse current heat absorption liter Membrane Materials condenser 6 is connected by pipeline in pipe
The side of salt solution 11 of salt solution regenerator 17, brine pump 18, screw settling centrifuge 21 and its crystal salt 22 are exported, crystal salt 22, group
Into salt solution fractional crystallization loop；And the brine outlet of screw settling centrifuge 21 then connects the import three of sea water pump 19 by pipeline
Logical, composition salt solution is separated, mixed, circulation loop.
In the embodiment of the present invention：
Flow 5.79t/h, the saturation indirect steam of temperature 60 C are by the inertial separation of top disengagement chamber 6-2 and carbonated drink point
After being separated from the silk screen of device 6-11, the horizontal tube outside of evaporator 1 is introduced, condensation heat condenses to provide source heat pump heat
During fresh water then drops to condensation tank 2 according to Action of Gravity Field, then discharged by water outlet 2-1.
The aperture of the temperature-sensitive bag closed-loop control expansion valve 4 that the top gaseous state heat pump fluid outlet outside of evaporator 1 is set, so that
Low pressure two-phase R134a heat pump fluids 7 flow through the import of bottom liquid heat pump fluid from bottom to up, in the horizontal heat exchange tube of evaporator 1
Side, top gaseous state heat pump fluid outlet, heat pump fluid therein 7 extracts the condensation heat of indirect steam and dry type is evaporated.
The top low pressure superheated gaseous heat pump fluid 7 of evaporator 1 is output the combustion gas explosive motor 5-1 of shaft power 967kW
The compressor 5 of driving is collapsed into high pressure superheater gaseous state heat pump fluid 7, is re-fed into managing interior siphon circulation adverse current heat absorption liter Membrane Materials
The shell side condensation of condenser 6 turns into high pressure supercooled liquid heat pump fluid 7, flows through Subcooled heat recovery device 5-3, device for drying and filtering 4-1, then
Expanded valve 4 throttles and turns into low pressure two-phase heat pump fluid 7, back flows back into the pipe inner side of evaporator 1 to complete heat pump cycle, together
When the condenser heat of 5017kW be released to manage interior siphon circulation adverse current heat absorption rise the tube side inlet temperature 61 of Membrane Materials condenser 6
DEG C, the seawater 8 of flow 11.58t/h.
High pressure superheater gaseous state heat pump fluid 7 flows through siphon circulation adverse current heat absorption in pipe and rises Membrane Materials condenser 6 from top to bottom
Gaseous state heat pump fluid import 6-6, middle part annulus at the top of shell side are distributed under vertical siphon heat absorption tube bundle 6-3 and cylindrical space siphon
The outside of drop passage 6-5, bottom liquid heat pump fluid outlet 6-7, then its overheat sensible heat, condensation of releasing by parts in a counter-current configuration
Latent heat, supercooling sensible heat, and condensing turns into high pressure supercooled liquid heat pump fluid 7.
The heat absorption of siphon circulation adverse current rises the liquid-level switch 3 that the tube side upper inside wall of Membrane Materials condenser 6 is set in pipe, according to salt
The aperture of the water level signal closed-loop control seawater flow regulating valve 9 of water, so as to drive 20 DEG C of inlet temperature, flow by sea water pump 19
The seawater 8 of 11.58t/h, salinity 35000ppm, after first being preheated by fresh water regenerator 15 and salt solution regenerator 17 in parallel, then
The cylinder sleeve cooling connected and the cylinder sleeve regenerator 5-2 and Subcooled heat recovery device 5-3 of flue gas backheat amount 967kW are preheated to 61 DEG C；Through
Cross the gas-liquid separation of air bleeding valve 20；The tube side of siphon circulation adverse current heat absorption liter Membrane Materials condenser 6 in pipe is finally flowed through from bottom to up
The sea intake 6-1 of bottom, bottom branch chamber 6-4, middle part annulus are distributed vertical siphon heat absorption tube bundle 6-3 and cylindrical space siphon
The inner side of decline passway 6-5, then extracts the 5017kW condensation heat releases of heat pump fluid 7 and rises Membrane Materials, proportion in a counter-current configuration
Reduce, and in central cylindrical space siphon decline passway 6-5, not yet distilled due to salt solution, its temperature is relatively low, proportion is larger,
Therefore sunk by Action of Gravity Field, so as to form the siphon circulation for driving augmentation of heat transfer；And produce temperature 60 C, flow 5.79t/h
Indirect steam through the separation of top disengagement chamber 6-2 after, then evaporation is introduced by the separation again of top steam-water separator 6-11
The horizontal tube outside of device 1.
The vavuum pump 14 of extraction flow 3m3/min is opened, with inverse from siphon circulation in fixed gas outlet 6-12 extraction pipes
Stream heat absorption rises the fixed gas in the tube side top indirect steam of Membrane Materials condenser 6, and drains into environment.
Temperature 60 C, the fresh water of salinity 50ppm are driven by the fresh water pump 16 of flow 5.79t/h in condensation tank 2, are flowed through light
The side of fresh water 10 of water regenerator 15, while fresh water is taken, to discharge its sensible heat to seawater and be cooled to 25 DEG C.
The heat absorption of siphon circulation adverse current rises 58 DEG C of temperature, the salinity 70000ppm of the tube side bottom of Membrane Materials condenser 6 in pipe
Salt solution 11 driven by the brine pump 18 of flow 5.79t/h, the side of salt solution 11 of salt solution regenerator 17 is flowed through, with discharge salt solution
Meanwhile, discharge its sensible heat to seawater and be cooled to 25 DEG C.
Its sensible heat is discharged to seawater and be cooled to 25 DEG C of normal temperature salt solution 11, then through the spiral shell of saline treatment flow 5.79t/h
The separation of solid and liquid of sedimentation centrifuge 21 is revolved, and produces 25 DEG C of temperature, mass concentration 85%, the crystal salt 22 of flow 1t/h and temperature
25 DEG C, mass concentration 15%, the salt solution 11 of flow 4.79t/h；It is stand-by that the crystal salt 22 for being produced delivers to collecting pit by conveyer belt.
After separation produces the salt solution 11 of 25 DEG C of temperature, mass concentration 15%, flow 4.79t/h then to mix with supplement seawater 8
Circular treatment in single effect distillation technique is sent back to again, to realize the zero-emission in recycling economy.
Claims (8)
1. a kind of condensing source heat pump Subcooled heat recovery drives single-effect distillator, and it is by evaporator (1)；Condensation tank (2)；Water outlet
(2-1)；Liquid-level switch (3)；Expansion valve (4)；Device for drying and filtering (4-1)；Compressor (5)；Driving equipment (5-1)；Cylinder sleeve backheat
Device (5-2)；Subcooled heat recovery device (5-3)；The heat absorption of siphon circulation adverse current rises Membrane Materials condenser (6) in pipe；Sea intake (6-1)；
Disengagement chamber (6-2)；Annulus is distributed vertical siphon heat absorption tube bundle (6-3)；Branch chamber (6-4)；Cylindrical space siphon decline passway (6-
5)；Gaseous state heat pump fluid import (6-6)；Liquid heat pump fluid exports (6-7)；Brine tank (6-8)；Brine outlet (6-9)；Preheating
Device (6-10)；Steam-water separator (6-11)；Fixed gas outlet (6-12)；Heat pump fluid (7)；Seawater (8)；Seawater flow is adjusted
Valve (9)；Fresh water (10)；Salt solution (11)；Pressure switch (12)；Temperature switch (13)；Vavuum pump (14)；Fresh water regenerator (15)；
Fresh water pump (16)；Salt solution regenerator (17)；Brine pump (18)；Sea water pump (19)；Air bleeding valve (20)；Screw settling centrifuge
(21)；Crystal salt (22) is constituted, it is characterised in that：The gaseous state heat pump fluid outlet of evaporator (1) top is connected by pipeline to be compressed
The heat absorption of siphon circulation adverse current rises Membrane Materials condenser (6) shell side, Subcooled heat recovery device (5-3), device for drying and filtering (4- in machine (5), pipe
1), expansion valve (4), the liquid heat pump fluid import of evaporator (1) bottom, composition heat pump cycle loop；The interior siphon circulation of pipe is countercurrently
Heat absorption rises the disengagement chamber (6-2) on Membrane Materials condenser (6) tube side top, steam-water separator (6-11), evaporator (1) outside, solidifying
Water tank (2), water outlet (2-1), composition indirect steam filtering condense loop；The bottom liquid heat pump fluid of evaporator (1) enters
Mouth, horizontal tube inner side, top gaseous state heat pump fluid outlet, hot dry type evaporation circuit is taken in the pipe for constituting heat pump fluid；Evaporator 1
The aperture of temperature-sensitive bag closed-loop control expansion valve (4) that top gaseous state heat pump fluid outlet outside is set, and the outlet of expansion valve (4)
The bottom liquid heat pump fluid import of evaporator (1), composition heat pump fluid expansion control loop are connected by pipeline；Siphon in pipe
Top gaseous state heat pump fluid import (6-6) of circulation adverse current heat absorption liter Membrane Materials condenser (6) shell side, the distribution of middle part annulus are vertical
The outside of siphon heat absorption tube bundle (6-3) and cylindrical space siphon decline passway (6-5), bottom liquid heat pump fluid outlet (6-7),
Constitute the reversed flow condensation heat release loop of heat pump fluid；The heat absorption of siphon circulation adverse current is risen under Membrane Materials condenser (6) tube side in pipe
Portion's sea intake (6-1), bottom branch chamber (6-4), middle part annulus are distributed vertical siphon heat absorption tube bundle (6-3) and cylindrical space rainbow
Inner side, the top disengagement chamber (6-2) of decline passway (6-5) are inhaled, siphon circulation adverse current heat absorption in the pipe of salt solution is constituted and is risen Membrane Materials
It is annulus distribution, vertically disposed tube bundle that loop, wherein annulus are distributed vertical siphon heat absorption tube bundle (6-3), and center sets one
Cylindrical space siphon decline passway (6-5), and multiple cylindrical spaces of tube bundle inwall are set to siphon rising passway, siphon declines logical
Road is roughly equal with the circulation area of siphon rising passway；The heat absorption of siphon circulation adverse current rises the outer of Membrane Materials condenser (6) in pipe
Shell is the vertically disposed face of cylinder；The heat absorption of siphon circulation adverse current rises Membrane Materials condenser (6) tube side upper inside wall and sets liquid in pipe
Bit switch (3), according to the aperture of saline water level signal closed-loop control seawater flow regulating valve (9), and seawater flow regulating valve (9)
Outlet by placed in series connect air bleeding valve (20), sea intake (6-1), constitute seawater exhaust and flow control circuit；
The heat absorption of siphon circulation adverse current rises Membrane Materials condenser (6) tube side top disengagement chamber (6-2) inwall and sets pressure switch (12) in pipe
One each with temperature switch (13)；The heat absorption of siphon circulation adverse current rises Membrane Materials condenser in the air inlet connecting tube of vavuum pump (14)
(6) the fixed gas outlet (6-12) at the top of tube side, composition fixed gas discharge loop；Water outlet (2-1) is connected by pipeline
Fresh water (10) side of fresh water regenerator (15), fresh water pump (16), composition the taking of fresh water, backheat loop；Siphon circulation is inverse in pipe
Stream heat absorption rises the brine outlet (6-9) of Membrane Materials condenser (6) tube side bottom by the salt of pipeline connection salt solution regenerator (17)
Water (11) side, brine pump (18), constitute discharge, the backheat loop of salt solution；The outlet of sea water pump (19) is connected by pipeline and shunted
Seawater (8) side, threeway of confluxing, the Subcooled heat recovery device (5-3) of threeway, fresh water regenerator (15) in parallel and salt solution regenerator (17)
Seawater (8) side, the import of seawater flow regulating valve (9), composition seawater backheat loop；The heat absorption of siphon circulation adverse current rises film in pipe
The inwall of distiller condenser (6) tube side bottom brine tank (6-8) sets preheater (6-10), and the startup for constituting salt solution is preheated back
Road.
2. single-effect distillator is driven according to the condensing source heat pump Subcooled heat recovery described in claim 1, it is characterised in that：Siphon in pipe
The brine outlet (6-9) that circulation adverse current heat absorption rises Membrane Materials condenser (6) tube side bottom connects salt solution regenerator by pipeline
(17) outlet of salt solution (11) side, brine pump (18), screw settling centrifuge (21) and its crystal salt (22), crystal salt (22),
Composition salt solution fractional crystallization loop；And the brine outlet of screw settling centrifuge (21) then connects sea water pump (19) by pipeline
Import threeway, composition salt solution is separated, mixed, circulation loop.
3. single-effect distillator is driven according to the condensing source heat pump Subcooled heat recovery described in claim 1, it is characterised in that：Screw settling
Centrifuge (21) is high speed freezing centrifuge (21)；Or disc centrifuge (21)；Or tube centrifuge (21)；Or incline
Bridge-type centrifuge (21)；Or basket centrifuge (21)；Or plate and frame filter (21)；Or flat panel filter machine (21)；Or
It is vacuum rotating filter (21).
4. single-effect distillator is driven according to the condensing source heat pump Subcooled heat recovery described in claim 1, it is characterised in that：Driving equipment
(5-1) is motor (5-1), or gas driven explosive motor (5-1), or gasoline driven explosive motor (5-1), or
It is diesel driven explosive motor (5-1), or kerosene drives explosive motor (5-1), or Stirling external-burning engine (5-
, or gas driven gas-turbine engine (5-1), or coal gas drives gas-turbine engine (5-1) 1).
5. single-effect distillator is driven according to the condensing source heat pump Subcooled heat recovery described in claim 1, it is characterised in that：Sea water pump
(19) outlet connects the seawater (8) of diversion three-way, fresh water regenerator (15) in parallel and salt solution regenerator (17) by pipeline
Side, threeway of confluxing, seawater (8) side of the cylinder sleeve regenerator (5-2) of engine (5-1), the seawater (8) of Subcooled heat recovery device (5-3)
Side, the import of seawater flow regulating valve (9), composition seawater step backheat loop.
6. single-effect distillator is driven according to the condensing source heat pump Subcooled heat recovery described in claim 1, it is characterised in that：Seawater (8)
It is municipal middle water (8), or municipal sewage (8), or salt solution (8), or sour water (8), or buck (8), or it is organic molten
Liquid (8), or inorganic solution (8), or industrial wastewater (8), or mine bitter (8), or oilfield sewage (8), or
One kind in chemical engineering sewage (8).
7. single-effect distillator is driven according to the condensing source heat pump Subcooled heat recovery described in claim 1, it is characterised in that：Fresh water backheat
Device (15) is double pipe heat exchanger (15), or shell and tube exchanger (15), or plate type heat exchanger (15), or plate-fin is changed
Hot device (15), or coil exchanger (15), or fresh water (10) preheating of taking of spiral heat exchanger (15) supplement sea
The heat exchanger of water (8).
8. single-effect distillator is driven according to the condensing source heat pump Subcooled heat recovery described in claim 1, it is characterised in that：Salt solution backheat
Device (17) is double pipe heat exchanger (17), or shell and tube exchanger (17), or plate type heat exchanger (17), or plate-fin is changed
Hot device (17), or coil exchanger (17), or discharge salt solution (11) the preheating supplement of spiral heat exchanger (17) are extra large
The heat exchanger of water (8).
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| CN107651727A (en) * | 2017-10-19 | 2018-02-02 | 南京航空航天大学 | Double-effect heat pump film steam sewage disposal system and method |
| CN109824105A (en) * | 2019-03-28 | 2019-05-31 | 上海济俭工业设备有限公司 | A kind of vacuum heat pump distillation and concentration system |
| CN112169364A (en) * | 2020-09-29 | 2021-01-05 | 江苏博颂化工科技有限公司 | Fractionating tower heat pump system adopting external circulating working medium |
| TWI819585B (en) * | 2022-04-29 | 2023-10-21 | 大成過濾材料有限公司 | Water treatment equipment based on heat pump system |
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| CN112169364B (en) * | 2020-09-29 | 2021-12-24 | 江苏博颂化工科技有限公司 | Fractionating tower heat pump system adopting external circulating working medium |
| TWI819585B (en) * | 2022-04-29 | 2023-10-21 | 大成過濾材料有限公司 | Water treatment equipment based on heat pump system |
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