CN204656023U - A kind of heat pump driven super gravity field enhanced water evaporation system - Google Patents

A kind of heat pump driven super gravity field enhanced water evaporation system Download PDF

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Publication number
CN204656023U
CN204656023U CN201520149849.5U CN201520149849U CN204656023U CN 204656023 U CN204656023 U CN 204656023U CN 201520149849 U CN201520149849 U CN 201520149849U CN 204656023 U CN204656023 U CN 204656023U
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water evaporation
hypergravity
enhanced water
backheat
dehumidifier
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凌祥
周瑞文
李洋
彭浩
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Nanjing University of Science and Technology
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Nanjing University of Science and Technology
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/30Wastewater or sewage treatment systems using renewable energies
    • Y02W10/37Wastewater or sewage treatment systems using renewable energies using solar energy

Abstract

The utility model discloses a kind of heat pump driven super gravity field enhanced water evaporation system, it is made up of solution reservoir (1), one-level backheat dehumidifier (2), preheater (3), hypergravity enhanced water evaporation room (4), secondary backheat dehumidifier (5), dehumidifying packing tower (6), crystallizer (7), Cascade type heat pump system (8), pump (9), boiler (10), pipeline fan (11) etc.The refrigerating capacity that heats of the present utility model all derives from heat pump, in vaporization chamber, utilize the mode of hypergravity rotating field and heating liquid recyclegas to improve gas carry wet ability, high temperature carries humid gas and enter dehumidifying packing tower after one-level, secondary backheat dehumidifier dehumidifying heat exchange, again enters the circulation of hypergravity enhanced water evaporation room and carry wet after cool-down dehumidification.The utility model has independently backheat dehumidification equipment, more energy-conservation, also can realize low-temperature evaporation, heat-sensitive substance evaporation simultaneously.

Description

A kind of heat pump driven super gravity field enhanced water evaporation system
Technical field
The present invention relates to a kind of heat pump driven super gravity field enhanced water evaporation system, be widely used in the industries such as petrochemical industry, food, light industry, pharmacy, sewage disposal, desalinization.
Background technology
In recent years, environment for human survival worsens increasingly, how to improve living environment and has become an important topic.Along with the development of industrialization industry, the pollution of the sewage that production process unavoidably causes to environment is on the rise.The contaminated wastewater concentration that some industrial trades produce is more and more higher, and composition becomes increasingly complex, and discharge capacity is increasing, except containing organic contamination beyond the region of objective existence in these waste water, also containing a large amount of inorganic salts.These high salt, high organic wastewater, if unprocessed direct discharge, will certainly produce harm greatly to aqueous bio, Drinking Water and industrial and agricultural production water.
Sewage disposal more at present still adopts biochemical treatment and physical chemistry processing method, and two kinds of methods are all only have removal effect to organic matter and heavy metal ion, then lack corresponding treatment process for the inorganic salts in water body.Therefore apply evaporative desalination treatment process to carry out desalination to the waste water after process and administer and just seem extremely important.
Current Application comparison has multi-stage flash evaporation technology and mechanical steam recompression technology widely.Thermal source mainly adopts the raw steaming of boiler endlessly, for the enterprise needing outsourcing steam, along with the rise of market steam price, steam operating cost is more and more higher, business burden sharply increases, and how to reduce device steam operating cost, and economize energy is current problem demanding prompt solution.
Compared with the waste water evaporation technology of current main employing, the present invention utilizes heat pump to strengthen gas circulatory moisture absorption to drive super gravity field, and what utilize gas carries the moisture that wet ability comes in absorbing fluid, through repeatedly cyclic absorption, absorption efficiency is higher, and non-secondary pollution discharges, environmental protection more.Adopt dehumidifying packing tower to carry humid gas to circulation and carry out dehumidification by condensation, water condensate storage recycles as cooling medium bottom dehumidifying packing tower, reduces the volume of equipment.The present invention carries out backheat while adopting firsts and seconds backheat dehumidifier to dehumidify, and greatly reduces system energy consumption, more energy-conservation.And the present invention both can realize 90 DEG C of hi-temp hi-effective evaporations, also can realize the low-temperature evaporation for heat-sensitive substance of less than 60 DEG C, applied widely, all can be applied in multiple industries such as medicine, food, desalinization, fine chemistry industries.
Summary of the invention
For problems of the prior art, the refrigerating capacity that heats of heat pump driven super gravity field enhanced water evaporation system of the present invention all derives from heat pump, in vaporization chamber, utilize the mode of hypergravity rotating field and heating liquid recyclegas to improve gas carry wet ability, high temperature carries humid gas and enter dehumidifying packing tower after one-level, secondary backheat dehumidifier dehumidifying heat exchange, again enters the circulation of hypergravity enhanced water evaporation room and carry wet after cool-down dehumidification.This system has independently backheat dehumidification equipment, more energy-conservation, also can realize low-temperature evaporation, heat-sensitive substance evaporation simultaneously.
The object of the invention is to be achieved through the following technical solutions, a kind of heat pump driven super gravity field enhanced water evaporation system, it is made up of solution reservoir (1), one-level backheat dehumidifier (2), preheater (3), hypergravity enhanced water evaporation room (4), secondary backheat dehumidifier (5), dehumidifying packing tower (6), crystallizer (7), Cascade type heat pump system (8), feed pump (9), boiler (10), pipeline fan (11); Comprise 1) after liquid injects filtering type solution reservoir removing solid, sent in one-level backheat dehumidifier and preheater by feed pump and heat; 2) liquid after preheating enters heat cycles gas in hypergravity enhanced water evaporation room; 3) recyclegas is blown in hypergravity enhanced water evaporation room by pipeline fan, after intensification, takes away part steam; 4) recyclegas after moisture absorption enters dehumidifying condiment tower and carries out cool-down dehumidification by the cold water after freezing through heat pump after one-level, secondary backheat dehumidifier dehumidifying heat exchange; 5) condensed water flows into the condensed water storage room bottom dehumidifying packing tower; 6) after low temperature and low humidity recyclegas enters the heat exchange of secondary backheat dehumidifier, temperature raises and again enters hypergravity enhanced water evaporation room; 7) bottom hypergravity enhanced water evaporation room, the liquid that concentrate is carried through feed pump through forced circulation transport pump and solution reservoir mixes, and mixed liquor again enters hypergravity enhanced water evaporation room after one-level backheat dehumidifier and preheater heating.
The characteristic that after the present invention utilizes gas heating, water capacity increases realizes liquid evaporation, is strengthened the mass-and heat-transfer process of liquid and recyclegas (air or nitrogen) by hypergravity rotating field.The mode that the present invention adopts two-stage backheat to dehumidify, carries humid gas elder generation and liquid heat exchange, then with low humidity gas converting heat, thus energy consumption needed for reduction system greatly, the recyclegas after two stage dehumidify 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, by evaporative condenser 804 heat exchange between described low-temperature zone and high temperature section, the hot and cold water of the large temperature difference of this system energy output.Liquid can be preheating to higher temperature by the high-temperature-hot-water of output, is conducive to gas moisture absorption in described hypergravity enhanced water evaporation room 4, improves system evaporation efficiency.
In the circulation of described one heat pump driven hypergravity enhanced water evaporation system liquid, described solution reservoir is entered through the larger solid particle of filter screen elimination inner after liquid squeezes into described solution reservoir, with after to squeeze in one-level backheat dehumidifier and preheater through feed pump and heat, liquid after heating enter in described hypergravity enhanced water evaporation room with recyclegas heat exchange, part water vapour is recycled gas and takes away, concentrate enters described hypergravity enhanced water evaporation room after dropping down onto and mixing preheating again via circulating pump conveying with primary liquid bottom vaporization chamber, and highly concentrated liquid squeezes into crystallizer crystallization.
In the circulation of described one heat pump driven hypergravity enhanced water evaporation system water, 1) hot water is squeezed into after described condenser heats by described boiler and is entered preheated liquid in described preheater, then enters boiler, ringing.2) condensed water by store up bottom described dehumidifying packing tower room by condensate water circulatory pump squeeze into lower the temperature to high concentration concentrate in described crystallizer after squeeze into enter in evaporimeter and lower the temperature, condensed water after cooling drops down onto described dehumidifying packing tower bottom condensate water after entering direct in described dehumidifying packing tower and recyclegas contact heat-exchanging and stores up room, ringing.
In the circulation of described one heat pump driven hypergravity enhanced water evaporation system gas, recyclegas enter under the effect of air blast described hypergravity enhanced water evaporation room carry wet after under the effect of air-introduced machine, draw one-level, secondary backheat dehumidifier, enter in described dehumidifying packing tower, be condensed after water for cooling, recyclegas water capacity reduces, described hypergravity enhanced water evaporation room is entered, ringing after again entering the heating of described regenerator.
Heating capacity required in described a kind of heat pump driven hypergravity enhanced water evaporation system and refrigerating capacity all derive from heat pump, can select different thermals source, such as low-grade steam, solar energy etc. for different handling objects.
In described a kind of heat pump driven hypergravity enhanced water evaporation system, recyclegas is different from the difference of different handling objects and processing requirements, can selecting air under normal circumstances, can select nitrogen when relating to the industry such as medicine, food.
Top, described hypergravity enhanced water evaporation room is provided with variable-frequency motor, be connected with middle siphunculus, concentric circles frame-type packing box and middle siphunculus are welded as a whole, and variable-frequency motor drive under together rotary become super gravity field, the through hole of middle siphunculus wall distribution some, be convenient to spray liquid and enter in packing box, the corrugated plating of surperficial uniform through hole becomes special angle to be inserted on concentric circles frame-type packing box, liquid inlet tube stretches to middle siphunculus center, to its wall spraying liquid; Described hypergravity enhanced water evaporation chamber interior top is provided with demister and prevents carrying secretly of liquid in recyclegas, and interior bottom portion is liquid storage cavity, for temporary reservoir concentrated liquid.
In order to reduce the water capacity entering the recyclegas of described hypergravity enhanced water evaporation room 4 further, strengthen the moisture sorption effect of recyclegas in described hypergravity enhanced water evaporation room 4, recyclegas (c) after lowering the temperature from described secondary backheat dehumidifier 5 is passed in described dehumidifying packing tower 6, the low-temperature cold water utilizing described cascade type heat pump 8 to produce is lowered the temperature further, thus reach the object of the water capacity reducing recyclegas, recyclegas (c) temperature in described dehumidifying packing tower 6 from described secondary backheat dehumidifier 5 reduces, condensed water is separated out, flow into the condensed water storage room bottom described dehumidifying packing tower 6, for the cold water of supplementary refrigeration.Described dehumidifying packing tower is provided with condensed water storage room bottom tower body, and condensed water storage room is provided with overfall, and condensed water is flowed in storage room by described dehumidifying packing tower outlet at bottom pipe, when condensation water quantity is too much, overflows from overfall.
The present invention and a kind ofly utilize the waste water vapo(u)rization system of solar energy (CN 104118918 A) to distinguish to be:
(1) a kind of lithium bromide absorption chiller system utilizing the ownership heat in the waste water vapo(u)rization system of solar energy (CN 104118918 A) and refrigerating capacity all to derive from Driven by Solar Energy, the present invention adopts electrically driven (operated) Cascade type heat pump system, compared to the lithium bromide absorption chiller system of Driven by Solar Energy, run more stable.
(2) a kind of utilization in the waste water vapo(u)rization system (CN 104118918 A) of solar energy does not have independently backheat equipment, the present invention adopts one-level backheat dehumidifier and secondary backheat dehumidifier as backheat dehumidification equipment, in described one-level backheat dehumidifier 2, high temperature from hypergravity rotary evaporation room 4 carries humid gas a and carries out heat exchange from described solution reservoir 1 with from the mixed mixed liquor in described hypergravity enhanced water evaporation room 4, after heat exchange, high temperature from hypergravity enhanced water evaporation room 4 carries humid gas a temperature to be reduced, and have condensed water to separate out, release a large amount of heats simultaneously, this heat is absorbed from described solution reservoir 1 with from the mixed mixed liquor in described hypergravity enhanced water evaporation room 4, temperature raises, thus the heating capacity provided needed for heat pump is provided, in described secondary backheat dehumidifier 5, carrying humid gas b and being about to from described dehumidifying packing tower 6 the low temperature and low humidity gas d heat exchange entering described hypergravity enhanced water evaporation room 4 from the higher temperature after described one-level backheat dehumidifier 2 cooling, after heat exchange, humid gas b temperature of carrying from the higher temperature after described one-level backheat dehumidifier 2 cooling reduces further, condensed water is separated out, and release amount of heat, the reduction of this year humid gas temperature is conducive to reducing the refrigerating capacity provided needed for heat pump when it lowers the temperature in described dehumidifying packing tower 6, the low temperature and low humidity gas d being about to enter described hypergravity enhanced water evaporation room 4 from described dehumidifying packing tower 6 absorbs heat, temperature raises, low temperature and low humidity gas d after temperature raises is conducive to improving its wettability power in described hypergravity enhanced water evaporation room 4.
(3) a kind ofly utilize in the waste water vapo(u)rization system (CN 104118918 A) of solar energy, surface cooler is used for the cool-down dehumidification of recyclegas, recyclegas and cold water septate heat transfer, the condensed water of separating out directly enters in condensed water storage tank, the present invention adopts dehumidifying packing tower to carry out cool-down dehumidification, cold water directly contacts with recyclegas, countercurrent flow, to arrange in condiment tower filler, enhanced heat exchange process, make heat exchange efficiency higher, after condensed water is separated out and cold water mix flow into dehumidifying packing tower bottom condensate water and store up room and supplement former cooling cold water.
(4) a kind of middle vaporization chamber of the waste water vapo(u)rization system of solar energy (CN 104118918 A) that utilizes adopts straight silk screen to be wrapped on middle siphunculus as filler, easy blocking needs often cleaned and changed, hypergravity enhanced water evaporation room of the present invention packing box adopts multilayer concentric circle tower structure, internal layer framework concentric circles radius is less, skin is larger, link with spoke between concentric circles, upper and lower frames pull bar is fixed, insert the corrugated plating of surperficial uniform through hole with special angle in concentric circles framework, internal layer negligible amounts, outer quantity is more, ensure that path clearance is more even, not easily block, advantageously carry out heat exchange in recyclegas and liquid.
A kind of heat pump driven hypergravity enhanced water evaporation system of the present invention, has the following advantages or benefit: the present invention adopts Cascade type heat pump system liquid can be increased to higher temperature as thermal source, realizes high-efficiency evaporating.The present invention carries out backheat while adopting firsts and seconds backheat dehumidifier to dehumidify, and greatly reduces system energy consumption, more energy-conservation.And the present invention both can realize 90 DEG C of hi-temp hi-effective evaporations, also can realize the low-temperature evaporation for heat-sensitive substance of less than 60 DEG C, applied widely, all can be applied in multiple industries such as medicine, food, desalinization, fine chemistry industries.
Accompanying drawing explanation
Fig. 1 is the present invention's heat pump driven super gravity field enhanced water evaporation systematic schematic diagram.
Fig. 2 is the present invention's heat pump driven super gravity field enhanced water evaporation system schematic.
Fig. 3 is secondary backheat dehumidifier core body installation diagram in the embodiment of the present invention.
Fig. 4 is secondary backheat dehumidifier core body exploded view in the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is further described, this embodiment should be understood only be not used in for illustration of the present invention and limit the scope of the invention, after reading this disclosure, those skilled in the art all fall within the application's claims limited range to the amendment of the various equivalent form of value of the present invention or the expansion of range of application.
Embodiment
The present embodiment heat pump driven super gravity field enhanced water evaporation systematic schematic diagram as shown in Figure 1, after gas temperature raises, water capacity increases, unit mass gas with steam quality increase, the liquid from solution reservoir is heated in advance by the high-temperature-hot-water of heat pump output, liquid after intensification is in hypergravity enhanced water evaporation room and for carrying the recyclegas heat exchange of steam, recyclegas temperature raises, carry wet ability to strengthen, take away more steam, and strengthen this heat transfer process by hypergravity rotating field, strengthen the moisture sorption effect of recyclegas.
The present embodiment is realized by following workflow, as shown in Figure 2, heat pump driven super gravity field enhanced water evaporation system schematic, system is made up of waste tank 1, one-level dehumidifier 2, preheater 3, hypergravity enhanced water evaporation room 4, secondary dehumidifier 5, dehumidifying packing tower 6, crystallizer 7, Cascade type heat pump system 8, pump 9, boiler 10, pipeline fan 11 etc.Realization wherein with arrow is pipeline, and the direction of arrow represents Working fluid flow direction in pipeline.
System adopts the mode of two-stage backheat dehumidifying, the waste heat (latent heat and sensible heat) utilizing high temperature out from described hypergravity enhanced water evaporation room 4 to carry humid gas (a) first with from described solution reservoir 1 and the mixed mixed liquor heat exchange in described hypergravity enhanced water evaporation room 4, heat exchange is carried out again with low temperature and low humidity gas (d) being about to enter described hypergravity enhanced water evaporation room 4, this process makes full use of high temperature and carries waste heat in humid gas (a), reduces whole system energy consumption.
In described one-level backheat dehumidifier 2, high temperature from hypergravity enhanced water evaporation room 4 carries humid gas (a) and carries out heat exchange from described solution reservoir 1 with from the mixed mixed liquor in described hypergravity enhanced water evaporation room 4, after heat exchange, high temperature from hypergravity enhanced water evaporation room 4 carries humid gas (a) temperature to be reduced, and have condensed water to separate out, release a large amount of heats simultaneously, this heat is absorbed from described solution reservoir 1 with from the mixed mixed liquor in described hypergravity enhanced water evaporation room 4, temperature raises, thus reduces the heating capacity provided needed for heat pump.
In described secondary backheat dehumidifier 5, carrying humid gas (b) and being about to from described dehumidifying packing tower 6 low temperature and low humidity gas (d) heat exchange entering described hypergravity enhanced water evaporation room 4 from the higher temperature after described one-level backheat dehumidifier 2 cooling, after heat exchange, humid gas (b) temperature of carrying from the higher temperature after described one-level backheat dehumidifier 2 cooling reduces further, condensed water is separated out, and release amount of heat, the reduction of this year humid gas temperature is conducive to reducing the refrigerating capacity provided needed for heat pump when it lowers the temperature in described dehumidifying packing tower 6; Low temperature and low humidity gas (d) being about to enter described hypergravity enhanced water evaporation room 4 from described dehumidifying packing tower 6 absorbs heat, temperature raises, and low temperature and low humidity gas (d) after temperature raises is conducive to improving its wettability power in described hypergravity enhanced water evaporation room 4.
In order to understand fully a kind of heat pump driven hypergravity enhanced water evaporation system of the present invention, be introduced for the 500t/d industrial wastewater of 35 DEG C after certain plant produced below.Industrial wastewater after production mainly comprises magnesium sulfate, and mass fraction is 20%, and after process, in waste liquid, 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, when system starts, first heat pump 8 is started, hypergravity enhanced water evaporation room 4 top motor and pipeline fan, open inlet valve, liquid is carried by feed pump 901 and is entered preheater 3 through one-level backheat dehumidifier 2, by the hot water that heated by heat pump working medium to liquid preheating in preheater, liquid preheating laggard enter hypergravity enhanced water evaporation room 4, being sprayed by solution inlet port pipe enters in the concentric circles frame-type packing box of motor institute driven rotary, with recyclegas heat exchange, moisture is pulled away, concentrate falls into bottom vaporization chamber, after conveying certain quantity of fluid, close inlet valve, open circulating valve, liquid under circulating pump effect again in one-level backheat dehumidifier 2 and preheater 3 preheating laggard enter in hypergravity enhanced water evaporation room 4, and so forth, circular flow, until vaporization chamber bottom liquid reaches working condition requirement concentration, first the recyclegas carried after wetting enters cool-down dehumidification in one-level backheat dehumidifier 2 under air-introduced machine effect, the amount of heat of releasing is used for heating liquid, then enter in secondary backheat dehumidifier 5 to the low temperature and low humidity recyclegas heating being about to enter hypergravity enhanced water evaporation room 4, then dehumidifying packing tower 6 cool-down dehumidification is entered, from the low temperature and low humidity gas after described dehumidifying packing tower 6 cool-down dehumidification enter secondary backheat dehumidifier 2 heat laggard enter hypergravity enhanced water evaporation room 4, ringing like this.During system stable operation, open inlet valve, circulating valve and outlet valve, charging and discharging are carried out simultaneously, and system is in continuously running duty simultaneously, and gas circulation is closed cycle, Systematical control simple and stable.
Top, hypergravity enhanced water evaporation room 4 is provided with variable-frequency motor, be connected with middle siphunculus, concentric circles frame-type packing box and middle siphunculus are welded as a whole, and variable-frequency motor drive under together rotary become super gravity field, the through hole of middle siphunculus wall distribution some, be convenient to spray liquid and enter in packing box, the corrugated plating of surperficial uniform through hole becomes special angle to be inserted on concentric circles frame-type packing box, liquid inlet tube stretches to middle siphunculus center, to its wall spraying liquid; Hypergravity enhanced water evaporation room 4 inside top is provided with demister and prevents carrying secretly of liquid in recyclegas, and interior bottom portion is liquid storage cavity, for temporary reservoir concentrated liquid.The middle siphunculus packing box of hypergravity enhanced water evaporation room 4 is multilayer concentric circle frame structure, internal layer framework concentric circles radius is less, skin is larger, with spoke link between concentric circles, upper and lower frames pull bar is fixed, and the corrugated plating of surperficial uniform through hole inserts in described concentric circles framework with special angle, internal layer negligible amounts, outer quantity is more, ensures that path clearance is more even, is beneficial to recyclegas and liquid carries out heat exchange.
Adopt working medium R410a according to treating capacity and processing requirements cascade type heat pump low-temperature zone, high temperature section adopts working medium R134a, can output 85 DEG C of hot water.Waste liquid enters vaporization chamber through hot water heating to 80 DEG C, and in vaporization chamber, relative humidity 20%, after the air temperature raising moisture absorption of 35 DEG C, temperature is increased to 75 DEG C, and relative humidity is 95%.In one-level dehumidifier, 75 DEG C of air are down to 53 DEG C, heating mixed waste liquor to 70 DEG C.Bottom vaporization chamber, 40 DEG C of concentrates are 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 of water consumption, 48 degree of electricity.
The characteristic that after the present invention utilizes gas heating, water capacity increases realizes liquid evaporation, is strengthened the mass-and heat-transfer process of liquid and recyclegas (air or nitrogen), high-efficiency environment friendly by hypergravity rotating field, and non-secondary pollution discharges.The present invention adopts dehumidifying packing tower to carry out dehumidification by condensation to a circulation year humid gas, and water condensate storage recycles as cooling medium bottom dehumidifying packing tower, reduces the volume of equipment.The present invention adopts firsts and seconds backheat dehumidifier, carries out backheat, greatly reduce system energy consumption while dehumidifying, more energy-conservation.And the present invention both can realize 90 DEG C of hi-temp hi-effective evaporations, also can realize less than the 60 DEG C low-temperature evaporations for heat-sensitive substance, applied widely, all can be applied in multiple industries such as medicine, food, desalinization, fine chemistry industries.
Described secondary dehumidifier is fin plate heat exchanger, its core body installation diagram Sum decomposition figure respectively as shown in Figure 3 and Figure 4, year humid gas that temperature is higher enters from regenerator top inlet pipe, outlet at bottom pipe flows out, the low-temperature circulating gas that preheating is flowed out from described filler dehumidifying top of tower, thus play the energy-conservation effect of backheat.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all within the present invention's spirit and principle, any amendment made, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (10)

1. a heat pump driven super gravity field enhanced water evaporation system, it is characterized in that, system is made up of solution reservoir (1), one-level backheat dehumidifier (2), preheater (3), hypergravity enhanced water evaporation room (4), secondary backheat dehumidifier (5), dehumidifying packing tower (6), crystallizer (7), Cascade type heat pump system (8), feed pump (9), boiler (10), pipeline fan (11);
Liquid sends into heating in described one-level backheat dehumidifier (2) and preheater (3) by described feed pump (9) after injecting described solution reservoir (1) removing solid; Liquid after preheating enters heat cycles gas in described hypergravity enhanced water evaporation room (4); Recyclegas is blown in described hypergravity enhanced water evaporation room (4) by described pipeline fan (11), after intensification, takes away part steam; Recyclegas after moisture absorption enters described dehumidifying condiment tower (6) and carries out cool-down dehumidification by the cold water after freezing through heat pump after described one-level backheat dehumidifier (2), secondary backheat dehumidifier (5) dehumidifying heat exchange; Condensed water flows into the condensed water storage room of described dehumidifying packing tower (6) bottom; In described hypergravity enhanced water evaporation room (4) bottom, the liquid that concentrate is carried through feed pump through forced circulation transport pump and solution reservoir mixes, and mixed liquor again enters described hypergravity enhanced water evaporation room (4) after described one-level backheat dehumidifier (2) and preheater (3) heating.
2. super gravity field enhanced water evaporation system according to claim 1, it is characterized in that, 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, by 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, it is characterized in that, system adopts the dehumidifying of two-stage backheat, the waste heat utilizing high temperature out from described hypergravity enhanced water evaporation room (4) to carry humid gas first with from described solution reservoir (1) and the mixed mixed liquor heat exchange of described hypergravity enhanced water evaporation room (4), then carry out heat exchange with the low temperature and low humidity gas being about to enter described hypergravity enhanced water evaporation room (4).
4. super gravity field enhanced water evaporation system according to claim 3, it is characterized in that, in described one-level backheat dehumidifier (2), high temperature from hypergravity enhanced water evaporation room (4) carries humid gas and carries out heat exchange from described solution reservoir (1) with from the mixed mixed liquor of described hypergravity enhanced water evaporation room (4), after heat exchange, high temperature from hypergravity enhanced water evaporation room (4) carries humid gas temperature to be reduced, and have condensed water to separate out, release a large amount of heats simultaneously, this heat is absorbed from described solution reservoir (1) with from the mixed mixed liquor of described hypergravity enhanced water evaporation room (4), temperature raises, the heating capacity provided needed for heat pump is provided.
5. super gravity field enhanced water evaporation system according to claim 3, it is characterized in that, in described secondary backheat dehumidifier (5), from carrying humid gas and being about to from described dehumidifying packing tower (6) the low temperature and low humidity gas converting heat entering described hypergravity enhanced water evaporation room (4) after described one-level backheat dehumidifier (2) cooling, after heat exchange, reduce further from humid gas (b) temperature of carrying after described one-level backheat dehumidifier (2) cooling, condensed water is separated out.
6. super gravity field enhanced water evaporation system according to claim 1, it is characterized in that, described hypergravity enhanced water evaporation room (4) top is provided with variable-frequency motor, be connected with middle siphunculus, concentric circles frame-type packing box and middle siphunculus are welded as a whole, and variable-frequency motor drive under together rotary become super gravity field, the through hole of middle siphunculus wall distribution some, being convenient to spray liquid enters in packing box, the corrugated plating of the uniform through hole in surface becomes special angle to be inserted on concentric circles 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 demister and prevents carrying secretly of liquid in recyclegas, and interior bottom portion is liquid storage cavity, for temporary reservoir concentrated liquid.
7. super gravity field enhanced water evaporation system according to claim 6, it is characterized in that, the middle siphunculus packing box of described hypergravity enhanced water evaporation room (4) is multilayer concentric circle frame structure, internal layer framework concentric circles radius is little, outer large, link with spoke between concentric circles, upper and lower frames pull bar is fixed, the corrugated plating of the uniform through hole in surface inserts in described concentric circles framework with special angle, internal layer quantity is few, outer quantity is many, ensures that path clearance is more even, is beneficial to recyclegas and liquid carries out heat exchange.
8. super gravity field enhanced water evaporation system according to claim 1, it is characterized in that, recyclegas after described secondary backheat dehumidifier (5) cooling passes in described dehumidifying packing tower (6), the low-temperature cold water utilizing described cascade type heat pump (8) to produce is lowered the temperature further, recyclegas temperature in described dehumidifying packing tower (6) of described secondary backheat dehumidifier (5) reduces, condensed water is separated out, flow into the condensed water storage room of described dehumidifying packing tower (6) bottom, for the cold water of supplementary refrigeration, condensed water storage room is provided with overfall, when condensation water quantity is too much, overflow from overfall.
9. super gravity field enhanced water evaporation system according to claim 1, it is characterized in that, described solution reservoir (1) is filtering type solution reservoir, liquid is squeezed into described solution reservoir (1) and is entered described solution reservoir (1) inside by the large solid particle of filter screen elimination, with after heating in described feed pump (9) squeezes into described one-level backheat dehumidifier (2) and preheater (3), liquid after heating enter in described hypergravity enhanced water evaporation room (4) with recyclegas heat exchange, part water vapour is recycled gas and takes away, concentrate enters described hypergravity enhanced water evaporation room (4) after dropping down onto and mixing preheating again via circulating pump conveying with primary liquid bottom vaporization chamber, highly concentrated liquid squeezes into crystallization in described crystallizer (7).
10. super gravity field enhanced water evaporation system according to claim 1, is characterized in that, described secondary backheat dehumidifier (5) is fin plate heat exchanger.
CN201520149849.5U 2015-03-17 2015-03-17 A kind of heat pump driven super gravity field enhanced water evaporation system Withdrawn - After Issue CN204656023U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104689584A (en) * 2015-03-17 2015-06-10 南京工业大学 Heat pump driven type super-gravity field enhanced evaporating system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104689584A (en) * 2015-03-17 2015-06-10 南京工业大学 Heat pump driven type super-gravity field enhanced evaporating system

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