CN104689584B - Heat pump driven supergravity field enhanced evaporation system - Google Patents
Heat pump driven supergravity field enhanced evaporation system Download PDFInfo
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- CN104689584B CN104689584B CN201510116275.6A CN201510116275A CN104689584B CN 104689584 B CN104689584 B CN 104689584B CN 201510116275 A CN201510116275 A CN 201510116275A CN 104689584 B CN104689584 B CN 104689584B
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- 238000001704 evaporation Methods 0.000 title claims abstract description 102
- 230000008020 evaporation Effects 0.000 title claims abstract description 101
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 147
- 239000007788 liquid Substances 0.000 claims abstract description 60
- 238000010438 heat treatment Methods 0.000 claims abstract description 24
- 238000003860 storage Methods 0.000 claims abstract description 20
- 238000007791 dehumidification Methods 0.000 claims abstract description 13
- 239000007789 gas Substances 0.000 claims description 48
- 238000012856 packing Methods 0.000 claims description 43
- 230000005484 gravity Effects 0.000 claims description 24
- 238000009834 vaporization Methods 0.000 claims description 14
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- 238000001816 cooling Methods 0.000 claims description 12
- 238000009833 condensation Methods 0.000 claims description 7
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- 238000001914 filtration Methods 0.000 claims description 4
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- 238000005728 strengthening Methods 0.000 claims description 4
- 230000009467 reduction Effects 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 239000002918 waste heat Substances 0.000 claims description 3
- 230000008014 freezing Effects 0.000 claims description 2
- 238000007710 freezing Methods 0.000 claims description 2
- 238000002156 mixing Methods 0.000 claims description 2
- 238000005057 refrigeration Methods 0.000 claims description 2
- 230000001502 supplementing effect Effects 0.000 claims description 2
- 238000002425 crystallisation Methods 0.000 claims 1
- 230000008025 crystallization Effects 0.000 claims 1
- 239000006260 foam Substances 0.000 claims 1
- 239000000126 substance Substances 0.000 abstract description 6
- 230000001172 regenerating effect Effects 0.000 abstract 3
- 230000008929 regeneration Effects 0.000 abstract 1
- 238000011069 regeneration method Methods 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 20
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 238000004134 energy conservation Methods 0.000 description 5
- 238000005265 energy consumption Methods 0.000 description 5
- 239000000945 filler Substances 0.000 description 5
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
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- 238000005516 engineering process Methods 0.000 description 4
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical compound [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 239000010842 industrial wastewater Substances 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
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- 230000008901 benefit Effects 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 238000010612 desalination reaction Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
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- 229910052943 magnesium sulfate Inorganic materials 0.000 description 2
- 235000019341 magnesium sulphate Nutrition 0.000 description 2
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Classifications
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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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- Drying Of Gases (AREA)
Abstract
The invention discloses a supergravity field enhanced evaporation system driven by a heat pump, which comprises a solution storage tank (1), a primary regenerative dehumidifier (2), a preheater (3), a supergravity enhanced evaporation chamber (4), a secondary regenerative dehumidifier (5), a dehumidification packed tower (6), a crystallizer (7), a cascade heat pump system (8), a feed pump (901), a hot water tank (10), a pipeline fan (11) and the like. The heating and refrigerating capacity of the invention is completely derived from a heat pump system, the gas humidity-carrying capacity is improved in an evaporation chamber by utilizing a supergravity rotating field and a liquid heating circulating gas mode, high-temperature humidity-carrying gas enters a dehumidification packed tower after being subjected to dehumidification and heat exchange by a primary and secondary regenerative dehumidifier, and enters the supergravity reinforced evaporation chamber again for circulating humidity carrying after being cooled and dehumidified. The invention has independent heat regeneration dehumidification equipment, saves more energy and can realize low-temperature evaporation and heat-sensitive substance evaporation at the same time.
Description
Technical field
The present invention relates to a kind of heat pump driven super gravity field enhanced water evaporation system, be widely used in petrochemical industry, food,
The industries such as light industry, pharmacy, sewage disposal, desalinization.
Background technology
In recent years, environment for human survival deteriorates increasingly, how to improve living environment and has had become as an important topic.With
The continuous development of industrialization industry, the sewage that production process unavoidably causes is on the rise to the pollution of environment.Some works
Contaminated wastewater concentration more and more higher produced by industry industry, composition becomes increasingly complex, and discharge capacity is increasing, removes in these waste water
Contain organic contamination beyond the region of objective existence, also contain substantial amounts of inorganic salt.These high salt, high organic wastewater, if unprocessed direct row
Put, aqueous bio, Drinking Water and industrial and agricultural production water will certainly be produced and greatly endanger.
Sewage disposal more at present still adopts biochemical treatment and physical chemistry processing method, and both of which is only right
Organic substance and heavy metal ion have removal to act on, and then lack corresponding handling process for the inorganic salts in water body.Therefore
Application evaporative desalination handling process carries out desalination improvement to the waste water after processing and just seems extremely important.
Application more widely has multi-stage flash evaporation technology and mechanical steam recompression technology at present.Thermal source mainly adopts source
The continuous boiler in source is raw to be steamed, and for the enterprise needing outsourcing steam, with the rise of market steam price, steam operating cost is got over
Come higher, business burden is increased dramatically, how to reduce device steam operating cost, energy saving is urgently to be resolved hurrily at present asking
Topic.
Compared with the currently main waste water evaporation technology adopting, the present invention drives super gravity field to strengthen using heat pump
Gas circulatory moisture absorption, absorbs the moisture in liquid, through multiple cyclic absorption, absorption efficiency is more using the wet ability of load of gas
Height, non-secondary pollution discharges, more environmentally-friendly.Humid gas is carried to circulation using dehumidifying packing tower and carries out dehumidification by condensation, condensed water stores up
There is dehumidifying packing tower bottom to recycle as cooling medium, reduce the volume of equipment.The present invention adopts firsts and seconds
Carry out backheat while the dehumidifying of backheat dehumidifier, greatly reduce system energy consumption, more energy-conservation.And the present invention both can achieve 90
The evaporation of DEG C hi-temp hi-effective, also can achieve less than 60 DEG C of the low-temperature evaporation for heat-sensitive substance, applied widely, medicine,
Multiple industry such as food, desalinization, fine chemistry industry all can be applied.
Content of the invention
For problems of the prior art, the heating of the heat pump driven super gravity field enhanced water evaporation system of the present invention
Refrigerating capacity all from heat pump, is carried using the mode of hypergravity rotating field and liquid heat cycles gas in vaporization chamber
High gas carries wet ability, and high temperature carries humid gas and enters dehumidifying packing tower, cooling after one-level, two grades of backheat dehumidifier dehumidifying heat exchange
It is again introduced into hypergravity enhanced water evaporation room circulation load wet after dehumidifying.This system has an independent backheat dehumidification equipment, more energy-conservation, with
When can also realize low-temperature evaporation, heat-sensitive substance evaporation.
The purpose of the present invention is achieved through the following technical solutions, a kind of heat pump driven super gravity field enhanced water evaporation system
System, it is removed by solution reservoir (1), one-level backheat dehumidifier (2), preheater (3), hypergravity enhanced water evaporation room (4), two grades of backheats
Wet device (5), dehumidifying packing tower (6), crystallizer (7), Cascade type heat pump system (8), feed pump (9), boiler (10), pipeline wind
Machine (11) forms；Including 1) liquid injection filtering type solution reservoir remove solid after, one-level backheat dehumidifier is pumped into by charging
Heat with preheater；2) liquid after preheating enters heat cycles gas in hypergravity enhanced water evaporation room；3) recyclegas by
Pipeline fan is blown in hypergravity enhanced water evaporation room, after intensification, takes away part vapor；4) recyclegas after moisture absorption is through one
Enter dehumidifying packing tower after level, the dehumidifying heat exchange of two grades of backheat dehumidifiers cooling is carried out by the cold water after freezing through heat pump and remove
Wet；5) condensed water flows into the condensed water storage chamber of dehumidifying packing tower bottom；6) low temperature and low humidity recyclegas enters two grades of backheat dehumidifying
After device heat exchange, temperature raises and is again introduced into hypergravity enhanced water evaporation room；7) in hypergravity enhanced water evaporation room bottom, concentrated solution is through strong
The liquid mixing that circulating pump conveying processed is conveyed through feed pump with solution reservoir, mixed liquor is through one-level backheat dehumidifier and preheater
It is again introduced into hypergravity enhanced water evaporation room after heating.
The present invention realizes liquid evaporation using the characteristic that water capacity after gas heating increases, by hypergravity rotating field Lai strong
Change the mass-and heat-transfer process of liquid and recyclegas (air or nitrogen).The present invention, by the way of the dehumidifying of two-stage backheat, carries wet
Gas elder generation and liquid heat exchange, then with low humidity gas converting heat, thus substantially reducing energy consumption needed for system, through two-stage dehumidifying after following
Ring gas is conducive to strengthening the moisture sorption effect in hypergravity enhanced water evaporation room.
The heat of system warm-up hot water and condensation cold water is provided by described Cascade type heat pump system 8, described cascade type heat pump
System 8 is divided into low-temperature zone and high temperature section, and described low-temperature zone is by low-temperature zone compressor 801, condenser 802 and low-temperature zone decompressor
803 compositions, described high temperature section is made up of high temperature section compressor 805, vaporizer 806 and high temperature section decompressor 807, described low-temperature zone
Pass through evaporative condenser 804 heat exchange, the hot and cold water of this big temperature difference of system energy output and high temperature section between.The high-temperature-hot-water energy of output
Liquid is preheating to higher temperature, is conducive to gas moisture absorption in described hypergravity enhanced water evaporation room 4, improve system evaporation efficiency.
In a kind of described heat pump driven hypergravity enhanced water evaporation system liquid circulation, after liquid squeezes into described solution reservoir
Filter off larger solid particle through filter screen to enter inside described solution reservoir, with after squeeze into one-level backheat dehumidifier and pre- through feed pump
Heat in hot device, with recyclegas heat exchange, part water vapour quilt in the described hypergravity enhanced water evaporation room of liquid entrance after heating
Recyclegas is taken away, and concentrated solution is dropped down onto vaporization chamber bottom and mixed with primary liquid and preheat again via forced circulation pump (902) conveying
Enter described hypergravity enhanced water evaporation room (4), highly concentrated liquid squeezes into described crystallizer (7), described dehumidifying by discharging pump (903)
Packed tower (6) bottom cold water is squeezed in described crystallizer (7) through water supply pump (904), promotes highly enriched liquid liquid crystalization.
In a kind of described heat pump driven hypergravity enhanced water evaporation system water circulation, 1) hot water squeezes into institute by described boiler
Enter preheated liquid in described preheater after stating condenser heating, enter back into boiler, Circulation.2) condensed water is removed by described
Wet filler tower bottom storage chamber squeezes into entrance after condensate water circulatory pump is squeezed into and lowered the temperature to high concentration concentrated solution in described crystallizer
Lower the temperature in vaporizer, condensed water after cooling enters in described dehumidifying packing tower directly and drops down onto institute after recyclegas contact heat-exchanging
State dehumidifying packing tower bottom condensate water storage chamber, Circulation.
In a kind of described heat pump driven hypergravity enhanced water evaporation system gas circulation, recyclegas is in the effect of aerator
Draw one-level, two grades of backheat dehumidifiers in the presence of air-introduced machine after lower entrance described hypergravity enhanced water evaporation room load is wet, enter
In described dehumidifying packing tower, after the water that is condensed cooling, recyclegas water capacity reduces, and is again introduced into described regenerator heating laggard
Enter described hypergravity enhanced water evaporation room, Circulation.
In a kind of described heat pump driven hypergravity enhanced water evaporation system, required heating capacity is all originated with refrigerating capacity
In heat pump, can be from different thermals source, such as low-grade steam, solar energy etc. for different process objects.
In a kind of described heat pump driven hypergravity enhanced water evaporation system, recyclegas is directed to different process objects and place
Reason require difference and different, air can be selected under normal circumstances, nitrogen can be selected when being related to the industries such as medicine, food
Gas.
Described hypergravity enhanced water evaporation ceiling portion is provided with frequency conversion motor, is connected with middle siphunculus, concentric circular frame-type filler
Disk is welded as a whole with middle siphunculus, and rotary becomes super gravity field together under frequency conversion motor drives, middle siphunculus wall distribution
A number of through hole, is easy to liquid and sprays in entrance packing box, the corrugated plating of the uniform through hole in surface becomes special angle to be inserted in
On concentric circular frame-type packing box, liquid inlet tube stretches to middle siphunculus center, to its wall spraying liquid；Described hypergravity is strong
Changing evaporation chamber top and being provided with demister prevents carrying secretly of liquid in recyclegas, and interior bottom portion is liquid storage cavity, is used for facing
When store concentrated liquid.
In order to be lowered into the water capacity of the recyclegas of described hypergravity enhanced water evaporation room 4 further, strengthen circulating air
Moisture sorption effect in described hypergravity enhanced water evaporation room 4 for the body, by the circulating air after lowering the temperature from described two grades of backheat dehumidifiers 5
Body (c) is passed through in described dehumidifying packing tower 6, is lowered the temperature further using the low-temperature cold water that described cascade type heat pump 8 produces, thus reaching
Arrive the purpose of the water capacity reducing recyclegas, the recyclegas (c) from described two grades of backheat dehumidifiers 5 is filled out in described dehumidifying
In material tower 6, temperature reduces, and condensed water separates out, and flows into the condensed water storage chamber of described dehumidifying packing tower 6 bottom, for supplementing refrigeration
Cold water.Described dehumidifying packing tower is provided with condensed water storage chamber in tower body bottom, and condensed water storage chamber is provided with overfall, and condensed water is by described
Dehumidifying packing tower outlet at bottom pipe flow enters in storage chamber, when condensation water quantity is excessive, overflows from overfall.
The present invention is with a kind of difference of waste water vapo(u)rization system of utilization solar energy (CN 104118918A)：
(1) all heating capacities in a kind of waste water vapo(u)rization system of utilization solar energy (CN 104118918A) and refrigerating capacity
Derive from the lithium bromide absorption chiller system of Driven by Solar Energy, the present invention adopts electrically driven (operated) Cascade type heat pump system, compared to too
The lithium bromide absorption chiller system that sun can drive, runs more stable.
(2) there is no independent backheat equipment in a kind of waste water vapo(u)rization system of utilization solar energy (CN 104118918A), this
Invention adopts one-level backheat dehumidifier and two grades of backheat dehumidifiers as backheat dehumidification equipment, in described one-level backheat dehumidifier 2
In, high temperature from hypergravity rotary evaporation room 4 carry humid gas a with from described solution reservoir 1 with to be derived from described hypergravity strong
Change the mixed mixed liquor of vaporization chamber 4 and carry out heat exchange, after heat exchange, the high temperature from hypergravity enhanced water evaporation room 4 carries humid gas a temperature
Degree reduce, and have condensed water separate out, release substantial amounts of heat simultaneously, from described solution reservoir 1 and from described hypergravity strong
Change the mixed mixed liquor of vaporization chamber 4 and absorb this heat, temperature raises, thus reducing heating of the required offer of heat pump
Amount；In described two grades of backheat dehumidifiers 5, the load humid gas b of the higher temperature after the cooling of described one-level backheat dehumidifier 2
With the low temperature and low humidity gas d heat exchange that will enter described hypergravity enhanced water evaporation room 4 from described dehumidifying packing tower 6, after heat exchange,
The load humid gas b temperature of the higher temperature after the cooling of described one-level backheat dehumidifier 2 reduces further, and condensed water separates out,
And release amount of heat, the reduction of this load dampness temperature advantageously reduces heat pump when it is lowered the temperature in described dehumidifying packing tower 6
The required refrigerating capacity providing of system, the low temperature that will enter described hypergravity enhanced water evaporation room 4 from described dehumidifying packing tower 6 is low
Humid gas d absorbs heat, and temperature raises, temperature raise after low temperature and low humidity gas d be conducive to improving it strong in described hypergravity
Change the wettability power in vaporization chamber 4.
(3), in a kind of waste water vapo(u)rization system of utilization solar energy (CN 104118918A), surface cooler is used for recyclegas
Cool-down dehumidification, recyclegas and cold water septate heat transfer, the condensed water of precipitation is directly discharged in condensation water storage tank, and the present invention is using removing
Wet packed tower carries out cool-down dehumidification, cold water and recyclegas directly contact, countercurrent flow, filler of arranging in packed tower, and strengthening is changed
So that heat exchange efficiency is higher, condensed water flows into dehumidifying packing tower bottom condensate water storage chamber with cold water mix after separating out and mends thermal process
Fill former cooling cold water.
(4) in a kind of waste water vapo(u)rization system of utilization solar energy (CN 104118918A), vaporization chamber is twined using straight silk screen
It is wound on as filler on siphunculus, easily blocking needs frequent cleaning replacement, and hypergravity enhanced water evaporation room of the present invention packing box is adopted
With multilayer concentric round frame rack and panel construction, the concentric radius of circle of internal layer framework is less, and outer layer is larger, is linked with spoke between concentric circular,
Upper and lower frames pull bar is fixed, and inserts the corrugated plating of the uniform through hole in surface with special angle, interior layer number is relatively in concentric circular framework
Few, outer layer number is more it is ensured that path clearance is more uniform, is not easily blocked, is advantageously changed with liquid in recyclegas
Heat.
A kind of heat pump driven hypergravity enhanced water evaporation system of the present invention, has advantages below or benefit：The present invention adopts
Liquid can be increased to higher temperature with Cascade type heat pump system as thermal source, realize high-efficiency evaporating.The present invention adopt one-level and
Carry out backheat while two grades of backheat dehumidifier dehumidifying, greatly reduce system energy consumption, more energy-conservation.And the present invention both can be real
Existing 90 DEG C of hi-temp hi-effective evaporation, also can achieve less than 60 DEG C of the low-temperature evaporation for heat-sensitive substance, applied widely, in doctor
Multiple industry such as medicine, food, desalinization, fine chemistry industry all can be applied.
Brief description
Fig. 1 is the present invention heat pump driven super gravity field enhanced water evaporation systematic schematic diagram.
Fig. 2 is the present invention heat pump driven super gravity field enhanced water evaporation system schematic.
Fig. 3 is two grades of backheat dehumidifier core body installation diagrams in the embodiment of the present invention.
Fig. 4 is two grades of backheat dehumidifier core body exploded views in the embodiment of the present invention.
Specific embodiment
Below in conjunction with accompanying drawing the present invention is further described it should be understood that this embodiment be merely to illustrate the present invention rather than
Limit the scope of the present invention, after reading this disclosure, the modification of the various equivalent form of values to the present invention for the those skilled in the art
Or the expansion of range of application all falls within the application claims limited range.
Embodiment
The present embodiment heat pump driven super gravity field enhanced water evaporation systematic schematic diagram as shown in figure 1, gas temperature raise after,
Water capacity increases, and the steam quality that unit mass gas is carried increases, by the high-temperature-hot-water of heat pump output in advance
From the liquid of solution reservoir, the liquid after intensification is in hypergravity enhanced water evaporation room and for carrying the circulation of vapor for heating
Gas converting heat, recyclegas temperature raises, and carries wet ability and strengthens, takes away more vapor, and rotate field intensity by hypergravity
Change this heat transfer process, strengthen the moisture sorption effect of recyclegas.
The present embodiment is realized by following workflow, as shown in Fig. 2 heat pump driven super gravity field enhanced water evaporation
System schematic, system by waste tank 1, one-level dehumidifier 2, preheater 3,4, two grades of hypergravity enhanced water evaporation room dehumidifier 5,
Dehumidifying packing tower 6, crystallizer 7, Cascade type heat pump system 8, feed pump 9, boiler 10, pipeline fan 11 etc. form.Wherein carry
The realization having arrow is pipeline, and the direction of arrow represents Working fluid flow direction in pipeline.
System, by the way of the dehumidifying of two-stage backheat, is carried using high temperature out from described hypergravity enhanced water evaporation room 4
The waste heat (latent heat and sensible heat) of humid gas (a) first with mix from described solution reservoir 1 and described hypergravity enhanced water evaporation room 4 after
Mixed liquor heat exchange, then carry out heat exchange with low temperature and low humidity gas (d) that will enter described hypergravity enhanced water evaporation room 4, this mistake
Journey makes full use of the waste heat that high temperature carries in humid gas (a), reduces whole system energy consumption.
In described one-level backheat dehumidifier 2, the high temperature from hypergravity enhanced water evaporation room 4 carries humid gas (a) and is derived from
Described solution reservoir 1 and carry out heat exchange from the mixed mixed liquor in described hypergravity enhanced water evaporation room 4, after heat exchange, from super
The high temperature of gravity enhanced water evaporation room 4 carries humid gas (a) temperature to be reduced, and has condensed water to separate out, and releases substantial amounts of heat simultaneously, comes
Absorb this heat from described solution reservoir 1 with from the mixed mixed liquor in described hypergravity enhanced water evaporation room 4, temperature raises,
Thus reducing the required heating capacity providing of heat pump.
In described two grades of backheat dehumidifiers 5, the load of the higher temperature after the cooling of described one-level backheat dehumidifier 2 is wet
Gas (b) is changed with low temperature and low humidity gas (d) that will enter described hypergravity enhanced water evaporation room 4 from described dehumidifying packing tower 6
Heat, after heat exchange, load humid gas (b) temperature of the higher temperature after the cooling of described one-level backheat dehumidifier 2 reduces further,
Condensed water separates out, and releases amount of heat, and the reduction of this load dampness temperature advantageously reduces it in described dehumidifying packing tower 6
The heat pump required refrigerating capacity providing during cooling；Described hypergravity enhanced water evaporation will be entered from described dehumidifying packing tower 6
Low temperature and low humidity gas (d) of room 4 absorbs heat, and temperature raises, and low temperature and low humidity gas (d) after temperature raises is conducive to improving it
Wettability power in described hypergravity enhanced water evaporation room 4.
In order to heat pump driven hypergravity enhanced water evaporation system a kind of to the present invention sufficiently understands, given birth to certain factory below
It is introduced as a example the 500t/d industrial wastewater in 35 DEG C of puerperal.Industrial wastewater after production mainly comprises magnesium sulfate, mass fraction
For 20%, in waste liquid after process, magnesium sulfate mass fraction reaches 40%.
Industrial wastewater is injected in filtering type solution reservoir 1 by solution reservoir inlet tube, solids removed by filtration, system
During startup, start heat pump 8, hypergravity enhanced water evaporation room 4 top motor and pipeline fan first, open inlet valve, liquid
Conveyed by feed pump 901 and enter preheater 3 through one-level backheat dehumidifier 2, by the hot water that heated by heat pump working medium to pre-
Liquid preheating in hot device, enters hypergravity enhanced water evaporation room 4 after liquid preheating, sprays entrance motor by solution inlet port pipe and is carried
In the concentric circular frame-type packing box of dynamic rotation, and recyclegas heat exchange, moisture is pulled away, and concentrated solution falls into vaporization chamber bottom,
After conveying certain quantity of fluid, close inlet valve, open circulating valve, liquid is under circulation pumping action again through one-level backheat dehumidifier
2 and preheater 3 in preheat after enter in hypergravity enhanced water evaporation room 4, and so on, circular flow, until vaporization chamber bottom liquid
Body reaches working condition requirement concentration, and the recyclegas after load is wet initially enters fall in one-level backheat dehumidifier 2 under air-introduced machine effect
Temperature dehumidifying, the amount of heat of releasing is used for heating liquid, subsequently enters strong to entering hypergravity in two grades of backheat dehumidifiers 5
Change the low temperature and low humidity recyclegas heating of vaporization chamber 4, subsequently into dehumidifying packing tower 6 cool-down dehumidification, from described dehumidifying packing tower 6
Low temperature and low humidity gas after cool-down dehumidification enters after heating in two grades of backheat dehumidifiers 2 and enters hypergravity enhanced water evaporation room 4, so
Circulation.During system stable operation, open inlet valve, circulating valve and outlet valve, charging and discharging are carried out simultaneously, system simultaneously
It is in continuously running duty, gas circulates as closed cycle, system control simple and stable.
Hypergravity enhanced water evaporation room 4 top is provided with frequency conversion motor, is connected with middle siphunculus, concentric circular frame-type packing box with
Middle siphunculus is welded as a whole, and rotary becomes super gravity field together under frequency conversion motor drives, and middle siphunculus wall distribution is certain
The through hole of quantity, is easy to liquid and sprays in entrance packing box, the corrugated plating of the uniform through hole in surface becomes special angle to be inserted in one heart
On round frame posture packing box, liquid inlet tube stretches to middle siphunculus center, to its wall spraying liquid；Hypergravity enhanced water evaporation room
4 inside top are provided with demister and prevent carrying secretly of liquid in recyclegas, and interior bottom portion is liquid storage cavity, dense for interim storage
Contracting liquid.The middle siphunculus packing box of hypergravity enhanced water evaporation room 4 justifies frame structure, the concentric radius of circle of internal layer framework for multilayer concentric
Less, outer layer is larger, is linked with spoke, upper and lower frames pull bar fixes between concentric circular, the corrugated plating of the uniform through hole in surface with
Special angle inserts in described concentric circular framework, internal layer negligible amounts, and outer layer number is more it is ensured that path clearance is more uniform,
Carry out heat exchange beneficial to recyclegas and liquid.
Working medium R410a is adopted according to treating capacity and processing requirement cascade type heat pump low-temperature zone, high temperature section adopts working medium
R134a, can 85 DEG C of hot water of output.Waste liquid through hot water heating to 80 DEG C of entrance vaporization chambers, in vaporization chamber, relative humidity 20%, 35
DEG C air temperature raising moisture absorption after temperature be increased to 75 DEG C, relative humidity be 95%.In one-level dehumidifier, 75 DEG C of air are down to 53
DEG C, heating mixed waste liquor is to 70 DEG C.40 DEG C of vaporization chamber bottom concentrated solution is mixed into regenerator through circulating pump and former 35 DEG C of waste liquids.
In preheater, mixed waste liquor is heated to 80 DEG C of absorption 1600kW heats, and heat pump COP is 3.17, power of motor 500kW, evaporates 1
Ton 48 degree of electricity of water consumption.
The present invention realizes liquid evaporation using the characteristic that water capacity after gas heating increases, by hypergravity rotating field Lai strong
Change the mass-and heat-transfer process of liquid and recyclegas (air or nitrogen), high-efficiency environment friendly, non-secondary pollution discharges.The present invention adopts
Dehumidifying packing tower carries humid gas to circulation and carries out dehumidification by condensation, and water condensate storage follows as cooling medium in dehumidifying packing tower bottom
Ring uses, and reduces the volume of equipment.The present invention adopts firsts and seconds backheat dehumidifier, carries out backheat, greatly while dehumidifying
Reduce greatly system energy consumption, more energy-conservation.And the present invention both can achieve 90 DEG C of hi-temp hi-effective evaporations, also can achieve less than 60 DEG C
For the low-temperature evaporation of heat-sensitive substance, applied widely, equal in multiple industry such as medicine, food, desalinization, fine chemistry industry
Can be applied.
Described two grades of dehumidifiers are fin sheet heat exchanger, and its core body installation diagram and exploded view are distinguished as shown in Figure 3 and Figure 4,
The higher load humid gas of temperature enters from regenerator top inlet pipe, and outlet at bottom pipe flow goes out, and preheating is from described filler dehumidifying tower
The cold cycle gas that top is flowed out, thus play the effect of backheat energy-conservation.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all spiritual and former in the present invention
Within then, any modification, equivalent substitution and improvement done etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of heat pump driven super gravity field enhanced water evaporation system is it is characterised in that system is returned by solution reservoir (1), one-level
Hot dehumidifier (2), preheater (3), hypergravity enhanced water evaporation room (4), two grades of backheat dehumidifiers (5), dehumidifying packing tower (6), knots
Brilliant device (7), Cascade type heat pump system (8), pump (9), boiler (10), pipeline fan (11) composition；
After liquid injects described solution reservoir (1) removing solid, described one-level backheat dehumidifier (2) is sent into by feed pump (901)
With heating in preheater (3)；Liquid after preheating enters heat cycles gas in described hypergravity enhanced water evaporation room (4)；Circulation
Gas is blown in described hypergravity enhanced water evaporation room (4) by described pipeline fan (11), after intensification, takes away part vapor；Inhale
Recyclegas after wet enters described dehumidifying after described one-level backheat dehumidifier (2), two grades of backheat dehumidifier (5) dehumidifying heat exchange
Packed tower (6) carries out cool-down dehumidification by the cold water after freezing through heat pump；Condensed water flows into described dehumidifying packing tower (6) bottom
Condensed water storage chamber；In described hypergravity enhanced water evaporation room (4) bottom, concentrated solution is through forced circulation pump (902) conveying and solution
The liquid mixing that storage tank conveys through described feed pump (901), mixed liquor is through described one-level backheat dehumidifier (2) and preheater
(3) it is again introduced into described hypergravity enhanced water evaporation room (4) after heating.
2. super gravity field enhanced water evaporation system according to claim 1 is it is characterised in that system warm-up hot water and condensation are cold
The heat of water is provided by described Cascade type heat pump system (8), and described Cascade type heat pump system (8) is divided into low-temperature zone and high temperature section,
Pass through evaporative condenser (804) heat exchange between described low-temperature zone and high temperature section.
3. super gravity field enhanced water evaporation system according to claim 1 is it is characterised in that system is removed using two-stage backheat
Wet, first stored up with from described solution using the waste heat that high temperature out from described hypergravity enhanced water evaporation room (4) carries humid gas
Tank (1) and the mixed mixed liquor heat exchange of described hypergravity enhanced water evaporation room (4), then steam with described hypergravity strengthening will be entered
The low temperature and low humidity gas sending out room (4) carries out heat exchange.
4. super gravity field enhanced water evaporation system according to claim 3 is it is characterised in that in described one-level backheat dehumidifier
(2), in, the high temperature from hypergravity enhanced water evaporation room (4) carries humid gas and surpasses with from described solution reservoir (1) with from described
The mixed mixed liquor in gravity enhanced water evaporation room (4) carries out heat exchange, after heat exchange, from the high temperature of hypergravity enhanced water evaporation room (4)
Carry dampness temperature reduction, and have condensed water to separate out, release substantial amounts of heat, from described solution reservoir (1) be derived from simultaneously
The mixed mixed liquor of described hypergravity enhanced water evaporation room (4) absorbs this heat, and temperature raises, and reduces that heat pump is required to be provided
Heating capacity.
5. super gravity field enhanced water evaporation system according to claim 3 is it is characterised in that in described two grades of backheat dehumidifiers
(5), in, the load humid gas after the cooling of described one-level backheat dehumidifier (2) will enter with from described dehumidifying packing tower (6)
Enter the low temperature and low humidity gas converting heat of described hypergravity enhanced water evaporation room (4), after heat exchange, from described one-level backheat dehumidifier (2)
Load humid gas (b) temperature of the higher temperature after cooling reduces further, and condensed water separates out.
6. super gravity field enhanced water evaporation system according to claim 1 is it is characterised in that described hypergravity enhanced water evaporation room
(4) top is provided with frequency conversion motor, is connected with middle siphunculus, and concentric circular frame-type packing box and middle siphunculus are welded as a whole, and
Under frequency conversion motor drives, rotary becomes super gravity field together, and middle siphunculus wall is distributed a number of through hole, is easy to liquid spray
Spill in entrance packing box, the corrugated plating of the uniform through hole in surface becomes special angle to be inserted on concentric circular frame-type packing box, liquid
Inlet tube stretches to middle siphunculus center, to its wall spraying liquid；Described hypergravity enhanced water evaporation room (4) inside top is provided with to be removed
Foam device prevents carrying secretly of liquid in recyclegas, and interior bottom portion is liquid storage cavity, for interim storage concentrated liquid.
7. super gravity field enhanced water evaporation system according to claim 6 is it is characterised in that described hypergravity enhanced water evaporation room
(4) middle siphunculus packing box justifies frame structure for multilayer concentric, is linked with spoke, upper and lower frames is solid with pull bar between concentric circular
Fixed, the corrugated plating of the uniform through hole in surface is inserted in described concentric circular framework it is ensured that path clearance is more uniform with special angle, profit
Carry out heat exchange in recyclegas and liquid.
8. super gravity field enhanced water evaporation system according to claim 1 is it is characterised in that described two grades of backheat dehumidifiers
(5) lower the temperature after recyclegas be passed through in described dehumidifying packing tower (6), using described Cascade type heat pump system (8) produce low
Warm cold water is lowered the temperature further, the recyclegas of described two grades of backheat dehumidifiers (5) temperature fall in described dehumidifying packing tower (6)
Low, condensed water separates out, and flows into the condensed water storage chamber of described dehumidifying packing tower (6) bottom, for supplementing the cold water of refrigeration, condensed water
Storage chamber is provided with overfall, when condensation water quantity is excessive, overflows from overfall.
9. super gravity field enhanced water evaporation system according to claim 1 was it is characterised in that described solution reservoir (1) was
Filter formula solution reservoir, it is internal by entering described solution reservoir (1) after strainer filtering that liquid squeezes into described solution reservoir (1), with
Squeeze into heating in described one-level backheat dehumidifier (2) and preheater (3) by described feed pump (901), the liquid after heating enters
Enter in described hypergravity enhanced water evaporation room (4) and taken away by recyclegas with recyclegas heat exchange, part water vapour, concentrated solution drops down onto
Vaporization chamber bottom is conveyed via described forced circulation pump (902) to be mixed with primary liquid and enters described hypergravity strengthening after preheating again
Vaporization chamber (4), highly concentrated liquid squeezes into crystallization in described crystallizer (7).
10. super gravity field enhanced water evaporation system according to claim 1 is it is characterised in that described two grades of backheat dehumidifiers
(5) it is fin sheet heat exchanger.
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| CN105498259B (en) * | 2015-12-18 | 2018-02-13 | 北京阳光欣禾科技有限公司 | A kind of rotor strengthens hot pump in low temp evaporation technology technology |
| CN105819531B (en) * | 2016-05-12 | 2019-05-10 | 上海朴是环境科技股份有限公司 | A kind of energy saving heat pump medium temperature spray evaporation system |
| CN107042022A (en) * | 2017-01-17 | 2017-08-15 | 南京工业大学 | Multi-stage evaporation system is reinforceed to sub-gravity field |
| CN106986486B (en) * | 2017-05-10 | 2020-10-30 | 南京工业大学 | High organic effluent treatment plant that contains salt |
| CN112337114A (en) * | 2020-10-22 | 2021-02-09 | 中北大学 | Heat-carrying-gas-driven supergravity enhanced evaporation device and method |
| CN112484174B (en) * | 2020-11-23 | 2021-11-23 | 自然资源部天津海水淡化与综合利用研究所 | Humidification and dehumidification seawater desalination and air conditioning all-in-one machine based on vapor compression heat pump technology |
| CN114349095A (en) * | 2022-02-15 | 2022-04-15 | 上海兴全电力技术有限公司 | Horizontal tubular carrier gas anti-scaling evaporation system |
| CN117819659B (en) * | 2024-02-02 | 2024-08-27 | 四川省生态环境科学研究院 | High-salt wastewater treatment device |
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| CN1325144C (en) * | 2005-02-04 | 2007-07-11 | 华南理工大学 | Super gravity liquid absorption dehumidifying and regenerating system |
| CN102849811B (en) * | 2012-09-12 | 2013-09-25 | 海南大学 | Hyper-gravity vacuum evaporation seawater desalination method |
| CN104069642B (en) * | 2013-03-28 | 2015-12-23 | 中国科学院理化技术研究所 | Pressure ratio working condition-adjustable volumetric compressor MVR heat pump evaporation system |
| CN104096370B (en) * | 2013-04-13 | 2017-04-26 | 郭朝军 | Multistage evaporating column used for carrying out evaporation process to salt-containing water through air |
| CN204656023U (en) * | 2015-03-17 | 2015-09-23 | 南京工业大学 | Heat pump driven supergravity field enhanced evaporation system |
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