CN104235986B - A kind of heat source tower heat pump system and method for multiple-effect regeneration - Google Patents

A kind of heat source tower heat pump system and method for multiple-effect regeneration Download PDF

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CN104235986B
CN104235986B CN201410495836.3A CN201410495836A CN104235986B CN 104235986 B CN104235986 B CN 104235986B CN 201410495836 A CN201410495836 A CN 201410495836A CN 104235986 B CN104235986 B CN 104235986B
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heat
effect
room
solution
water
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CN104235986A (en
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王厉
骆菁菁
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Shandong Hetong Information Technology Co ltd
Shanghai Chengkang Intellectual Property Service Co ltd
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Zhejiang University of Technology ZJUT
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Abstract

nullThe invention discloses the heat source tower heat pump system of a kind of multiple-effect regeneration,Including closed type heat source tower、Heat source tower circulating pump、Bypass regulator valve、Source pump、Organic solution circulating pump、Inlet adjusting valve、Outlet regulating valve、Condenser bypass regulation valve、Return water regulating valve、For water regulating valve、Condenser、First、Second、Third and fourth effect Heat Room、Solidifying water-to-water heat exchanger、Solution heat exchanger、Degassing room、First、Second heat exchanger、Condensation for degasification room、Condensate pump、First、Second solution booster pump、Vacuum pump、Pressure switch、Concentrated solution regulation valve、Condenser regulation valve、Condensation for degasification room regulation valve、Condensation for degasification room drain regulating valve、Condenser drain regulating valve、Weak solution regulation valve、First、Second、Third and fourth effect taphole regulation valve、First、Second、Third and fourth effect is for water regulating valve、Second、Third and fourth effect drain regulating valve、First、Second、Triple effect bypass drain regulating valve and first imitates hot water regulating valve.

Description

A kind of heat source tower heat pump system and method for multiple-effect regeneration
Technical field
The present invention relates to air conditioner refrigerating field, the heat source tower heat pump system and method for a kind of multiple-effect regeneration.
Background technology
Heat source tower heat pump can effectively solve the frosting problem that air source heat pump the most easily produces, and can use in winter, season in summer two, There is preferable Technological Economy be worth, in recent years, more and more for heat source tower heat pump systematic research and application.
At present, present in heat source tower heat pump, subject matter is the regeneration of anti-freezing solution.When heat source tower uses in the winter time, Anti-freezing solution can absorb the water vapour in air, and the latent heat that water recovery is transmitted is typically smaller than anti-freezing solution in heat source tower The 30% of caloric receptivity.After absorbing the moisture in air, anti-freezing solution concentration is thinning, and freezing point raises, it is therefore desirable to again to anti- Freeze-thaw liquid carries out regenerating to maintain the freezing point of solution to be in all the time and requires level.The mode of heat source tower anti-freezing solution regeneration includes instead Infiltration regeneration and heating power regenerate two big classes, and wherein reverse osmosis regeneration makes technical and economic performance because the osmotic pressure of anti-freezing solution is too high Relatively low.Current main flow regeneration is heating power regeneration, and it includes that again boiling type regeneration and non-boiling formula regenerate two kinds.Non-boiling Rise formula regeneration regeneration air directly to contact with high temperature anti-freezing solution so that the moisture in anti-freezing solution is poor at steam partial pressure Effect under transfer in regeneration air.The regeneration of non-boiling formula is carried out at ambient pressure, simple and convenient, but mass transfer effect is poor, institute Need mass transfer force bigger.Boiling type regeneration carries out boiling regeneration under vacuum conditions to anti-freezing solution, and mass transfer effect is good, only The temperature difference needing 1~3 DEG C is obtained with preferable regeneration effect.But due to anti-freezing solution in heat source tower direct with air Contact, the incoagulable gas wherein contained can escape and under vacuum conditions in a large number along with water vapour enters condenser, serious shadow Ring condensing heat-exchange effect, it is therefore necessary to the incoagulable gas in anti-freezing solution is carried out pretreatment, Application No. The patent of 201410038285.8 proposes to use forward osmosis membrane technology to completely cut off incoagulable gas, but forward osmosis membrane easily produces Dirt and solute reverse osmosis problem.It addition, when anti-freezing solution carries out boiling type regeneration, current mode is all single-action, (such as utilize source pump to provide heat) when heat source temperature is higher, bigger energy dissipation will be produced.
In sum, boiling type regeneration is fairly simple and efficient a kind of regeneration, and it can effectively utilize low-grade heat source, Without adding high pressure, it is not required that recuperator, but to allow this technology have feasibility, then need solve incoagulable gas and Heat recycling problem when high temperature heat source drives.
Summary of the invention
The technical problem to be solved in the present invention is to provide the heat source tower heat pump system of the multiple-effect regeneration of a kind of simple in construction.
In order to solve above-mentioned technical problem, the present invention provides the heat source tower heat pump system that a kind of multiple-effect regenerates, including work System and regeneration subsystem;Described working subsystem includes the closed type heat source tower of built-in circulation solution, heat source tower circulating pump, side Logical regulation valve, source pump, organic solution circulating pump, inlet adjusting valve, outlet regulating valve, condenser bypass regulation valve, Return water regulating valve, for water regulating valve;Described regeneration subsystem include condenser, quadruple effect Heat Room, triple effect Heat Room, Second effect Heat Room, the first effect Heat Room, solidifying water-to-water heat exchanger, solution heat exchanger, degassing room, First Heat Exchanger, second change Hot device, condensation for degasification room, condensate pump, the first solution booster pump, the second solution booster pump, vacuum pump, quadruple effect heat exchange Chamber pressure switch, triple effect Heat Room pressure switch, second effect Heat Room pressure switch, first effect Heat Room pressure switch, Condensation for degasification chamber pressure switch, degassing chamber pressure switch, concentrated solution regulation valve, condenser regulation valve, the regulation of condensation for degasification room Valve, condensation for degasification room drain regulating valve, condenser drain regulating valve, quadruple effect taphole regulation valve, quadruple effect supply water and adjust Joint valve, weak solution regulation valve, triple effect taphole regulation valve, quadruple effect drain regulating valve, the second effect taphole regulation Valve, triple effect drain regulating valve, triple effect bypass drain regulating valve, the second effect bypass drain regulating valve, the first effect solution go out Mouthful regulation valve, the second effect drain regulating valve, triple effect supply water for water regulating valve, the first effect bypass drain regulating valve, the second effect Regulation valve, the second effect imitate hot water regulating valve for water regulating valve and first;The circulation solution of described closed type heat source tower exports by heat Source tower circulating pump is divided into two-way, is connected with concentrated solution regulation valve outlet port, then accesses closed type hot after first via connecting bypass regulation valve The circulation solution import of source tower;Second tunnel is sequentially connected with the Low Temperature Liquid of the low-temperature liquid pipe of solidifying water-to-water heat exchanger, solution heat exchanger Degassing room is accessed after body pipeline and weak solution regulation valve;The steam outlet of de-plenum roof connects the water vapour of condensation for degasification room Import, the condensation-water drain of condensation for degasification room connects the import of condensation for degasification room drain regulating valve;The taphole of degassing room is even Being divided into two-way after connecing the second solution booster pump, the first via is connected to quadruple effect Heat Room top by quadruple effect for after water regulating valve Solution inlet port, second tunnel connect First Heat Exchanger low-temperature liquid pipe after be divided into two-way, triple effect of wherein leading up to supply Being connected to the solution inlet port at triple effect Heat Room top after water regulating valve, the second tunnel connects the low-temperature liquid pipe of the second heat exchanger After be divided into two-way, wherein lead up to the second effect for being connected to the second effect Heat Room top solution inlet port after water regulating valve, second Road is connected to the first effect Heat Room top solution inlet port by the first effect for after water regulating valve;The bottom solution of the first effect Heat Room Export the bottom solution import being connected the second effect Heat Room by the first effect taphole regulation valve;The steam of the first effect Heat Room Main line outlet, the second effect condensation pipe of Heat Room, the second effect drain regulating valve and outlet of condenser drain regulating valve It is connected with each other successively;The steam by-pass outlet of the first effect Heat Room, the condensation pipe of the second solution heat exchanger and the first effect bypass Drain regulating valve is sequentially connected with;The bottom solution outlet of the second effect Heat Room connects the 3rd by the second effect taphole regulation valve The bottom solution import of effect Heat Room;Second effect the main steam header way outlet of Heat Room, the condensation pipe of triple effect Heat Room, The outlet of triple effect drain regulating valve and condenser drain regulating valve is connected with each other successively;The steam by-pass of the second effect Heat Room Outlet, the condensation pipe of the first solution heat exchanger and the second effect bypass drain regulating valve are sequentially connected with;The end of triple effect Heat Room Portion's taphole connects the bottom solution import of quadruple effect Heat Room by triple effect taphole regulation valve;Triple effect Heat Room Main steam header way outlet, the condensation pipe of quadruple effect Heat Room, quadruple effect drain regulating valve and condenser drain regulating valve Outlet be connected with each other successively;The steam by-pass outlet of triple effect Heat Room, the condensation pipe of degassing room and triple effect bypass Drain regulating valve is sequentially connected with;The bottom solution outlet of quadruple effect Heat Room, quadruple effect taphole regulation valve, the first solution The import of booster pump, the high-temp liquid pipeline of solution heat exchanger and concentrated solution regulation valve is sequentially connected with;Quadruple effect Heat Room Main steam header way outlet, the condensation pipe of condenser and condenser drain regulating valve are sequentially connected with;Condenser drain regulating valve Outlet, the outlet of condensation for degasification room drain regulating valve, the outlet of quadruple effect drain regulating valve, triple effect drain regulating valve, go out Mouth and the second effect outlet of drain regulating valve, the triple effect bypass outlet of drain regulating valve, the second effect bypass drain regulating valve Outlet and the outlet of the first effect bypass drain regulating valve be connected with each other after by the height of the condensate pump solidifying water-to-water heat exchanger of connection Geothermal liquid pipeline;The gas outlet of condensation for degasification room connects condensation for degasification chamber pressure switch;The gas outlet of degassing room connects de- Air chamber pressure switchs;The gas outlet of quadruple effect Heat Room connects quadruple effect Heat Room pressure switch;The gas of triple effect Heat Room Body outlet connects triple effect Heat Room pressure switch;The gas outlet of the second effect Heat Room connects the second effect Heat Room pressure and opens Close;The gas outlet of the first effect Heat Room connects the first effect Heat Room pressure switch;Condensation for degasification chamber pressure switch, degassing room Pressure switch, quadruple effect Heat Room pressure switch, triple effect Heat Room pressure switch, second effect Heat Room pressure switch and After first effect Heat Room pressure switch is parallel with one another, the air inlet with vacuum pump is connected with each other;The outlet of source pump is divided into two Road, leads up to for water regulating valve externally connected heat-exchange system supply channel;Additionally lead up to the first hot water regulating valve of effect Connect the first effect Heat Room adds hot channel;External heat-exchanging system return pipeline is by imitating Heat Room with first after returning water regulating valve Heating pipe outlet connect after be connected to the water inlet of source pump again;The organic solution outlet of source pump, solution circulation pump, The organic solution import of inlet adjusting valve and closed type heat source tower is sequentially connected with;The organic solution outlet connection outlet of closed type heat source tower Three tunnels, a road it are divided into connect condenser bypass valve after regulation valve;Second tunnel is sequentially connected with and regulates valve, condenser by condenser Low-temperature liquid pipe after be connected with the outlet of condenser bypass valve;3rd tunnel passes sequentially through condensation for degasification room regulation valve and cold It is connected with the outlet of condenser bypass valve after the condensation pipe of solidifying degassing room.
Improvement as to the heat source tower heat pump system that a kind of multiple-effect of the present invention regenerates: described circulation solution is in work in summer It is water under condition, is anti-freezing solution under winter condition;Described anti-freezing solution selects organic aqueous solution or aqueous solution of inorganic matter.
Further improvement as to the heat source tower heat pump system that a kind of multiple-effect of the present invention regenerates: described organic solution is Ethylene glycol solution.
A kind of using method of the heat source tower heat pump system of multiple-effect regeneration;Close by adjusting regeneration subsystem, working subsystem Push And Release complete.
Improvement as the using method to the heat source tower heat pump system that a kind of multiple-effect of the present invention regenerates: under summer condition Use step as follows: regeneration subsystem is closed, and working subsystem opens, and the circulation solution in closed type heat source tower is water, closes Formula heat source tower is actually pressed evaporative cooling tower and is used;Organic solution flows out from the organic solution outlet of source pump, and successively Closed type heat source tower internal heat exchange tubes is entered by the organic solution import of solution circulation pump, inlet adjusting valve and closed type heat source tower Road, the moisture film releasing heat on heat exchange pipeline outer surface, temperature reduces, then from the organic solution outlet stream of closed type heat source tower Go out, after passing sequentially through regulation valve and condenser bypass valve, enter source pump by the organic solution import of source pump;Water Export from the circulation solution of closed type heat source tower and flow out, pressurize through heat source tower circulating pump, and by bypass regulator valve from closed type hot The circulation solution import of source tower flows into;Water is sprinkled upon internal heat pipeline outer surface by cloth inside closed type heat source tower and is formed under moisture film Falling, the surrounding air come in from external world's suction with closed type heat source tower directly contacts, the portion of water evaporation in moisture film, The heat of organic solution during moisture film absorbs internal heat pipeline simultaneously so that it is temperature reduces;Source pump water outlet passes sequentially through out External heat-exchanging system water supply pipeline is entered behind the mouth of a river and confession water regulating valve;Water in outside heat-exchange system supply channel after heat exchange, Temperature raises, then flows into source pump, and sorption type heat pump through returning water regulating valve from water inlet from external heat-exchanging system return pipeline The cold that vaporizer in unit provides.
Further improvement as the using method to the heat source tower heat pump system that a kind of multiple-effect of the present invention regenerates: winter Under operating mode, do not have specifically used step during deicing requirements as follows: the circulation solution in closed type heat source tower is anti-freezing solution, work Opening as subsystem, regeneration subsystem is closed, heat source tower circulation pump simultaneously, now: organic solution is from source pump Organic solution outlet flows out, and passes sequentially through solution circulation pump, inlet adjusting valve and closed type heat source tower organic solution import and enter Entering closed type heat source tower internal heat pipeline, carry out indirect heat exchange with the surrounding air of closed type heat source tower suction, temperature raises, then Flow out from organic solution outlet, after sequentially passing through outlet regulating valve and condenser bypass valve, enter heat by organic solution import The cold that in pump assembly, and sorption type heat pump unit, vaporizer provides;Source pump water outlet passes sequentially through outlet and regulation of supplying water Valve enters external heat-exchanging system water supply pipeline, and after heat exchange, temperature reduces, then passes through backwater from external heat-exchanging system return pipeline Regulation valve flows into, from water inlet, the heat that the condenser in source pump, and sorption type heat pump unit provides;When there being deicing requirements, But when anti-freezing solution is without regenerating, working subsystem is opened, regeneration subsystem is closed, now: organic solution is from source pump Organic solution outlet flow out, and the organic solution passing sequentially through solution circulation pump, inlet adjusting valve and closed type heat source tower enters Mouth enters the heat exchange pipeline within closed type heat source tower, and the liquid film on absorption heat-exchange pipeline external surface releases heat, and temperature raises, Flow out from organic solution outlet again, enter heat pump machine through outlet regulating valve, condenser bypass valve and organic solution import successively The cold that vaporizer in group, and sorption type heat pump unit provides;Anti-freezing solution exports from the circulation solution of closed type heat source tower and flows out, Pressurize through heat source tower circulating pump, and flowed into from closed type heat source tower circulation solution import by bypass regulator valve, anti-freezing solution quilt Cloth is sprinkled upon heat exchange pipeline outer surface within closed type heat source tower and forms liquid film and fall, and comes in from external world's suction with closed type heat source tower Surrounding air directly contacts, and liquid film absorbs the sensible heat in air and water vapour, has in liquid film internally heat exchange pipeline simultaneously Machine solution releases heat so that it is temperature raises;Source pump water outlet passes sequentially through outlet and enters outside changing for water regulating valve Hot systems supply channel, after heat exchange, temperature reduces, then from external heat-exchanging system return pipeline by returning water regulating valve from water inlet Mouth flows into the heat that the condenser in source pump, and sorption type heat pump unit provides.
Further improvement as the using method to the heat source tower heat pump system that a kind of multiple-effect of the present invention regenerates: winter Under operating mode, there is specifically used step during deicing requirements as follows: anti-freezing solution needs regeneration, working subsystem and regeneration subsystem All open, now: organic solution flows out from the organic solution outlet of source pump, and passes sequentially through solution circulation pump, import The organic solution import of regulation valve and closed type heat source tower enters closed type heat source tower internal heat pipeline, absorption heat-exchange pipeline appearance Liquid film on face releases heat, and temperature raises, then flows out from the organic solution outlet of closed type heat source tower, after outlet regulating valve It is divided into three tunnels, a road directly to pass through condenser bypass valve;Second tunnel enters the cryogenic liquid of condenser through condenser regulation valve Pipeline, in absorption condensation pipeline water vapour release the latent heat of vaporization after, temperature raise, then with from condenser bypass valve outlet port Solution mixes;3rd tunnel enters the low-temperature liquid pipe of condensation for degasification room after condensation for degasification room regulation valve, absorbs water vapour After the latent heat of vaporization of condensation release, temperature raises, then mixes with the solution from condenser bypass valve outlet port;Mixed organic Solution temperature slightly raises, then enters source pump, the evaporation in sorption type heat pump unit by the organic solution import of source pump The cold that device provides, temperature reduces, then flows out from the organic solution outlet of source pump, so circulates;Anti-freezing solution is from closing The circulation solution outlet of formula heat source tower is flowed out, and is divided into two-way, leads up to bypass regulator valve after heat source tower circulating pump pressurizes, After mixing with the anti-freezing solution of concentrated solution regulation valve outlet port, concentration increases, then from from the circulation solution inlet flow of closed type heat source tower Entering, anti-freezing solution is sprinkled upon closed type heat source tower internal heat pipeline outer surface formation liquid film by cloth and falls, with closed type heat source tower from outward The surrounding air that boundary's suction is come in directly contacts, and liquid film absorbs the sensible heat in air and water vapour, and liquid film is internally simultaneously In heat exchange pipeline, organic solution releases heat so that it is temperature raises;An other road enters the low-temperature liquid pipe of solidifying water-to-water heat exchanger; Anti-freezing solution absorbs the condensed water institute in the high-temp liquid pipeline of solidifying water-to-water heat exchanger in the low-temperature liquid pipe of solidifying water-to-water heat exchanger After liberated heat, temperature raises, then flows into the low-temperature liquid pipe of solution heat exchanger, and absorbent solution heat exchanger wherein High-temp liquid pipeline in anti-freezing solution release heat after, temperature raises further, then by weak solution regulation valve drop Degassing room is entered after being pressed onto degassing chamber pressure;The solution condensation latent heat that in absorption condensation pipeline, water vapour discharges in degassing room, Temperature is increased to boiling temperature corresponding under degassing chamber pressure, the portion of water explosive evaporation in solution, contains in solution simultaneously Some incoagulable gas escape in a large number, and solution concentration is slightly increased, and incoagulable gas content is greatly reduced;It is mixed with incoagulability The water vapour of gas exits into condensation for degasification room from de-plenum roof, and water vapour transfers heat to cold in condensation for degasification room Organic solution in the low-temperature liquid pipe of solidifying degassing room, becomes condensed water, the partial pressure of water vapor that condensation for degasification is indoor simultaneously Reducing, incoagulable gas partial pressure raises;The condensed water produced in condensation for degasification room is de-through condensation after condensation-water drain flows out Air chamber drain regulating valve mixes with the condensed water flowed out from condensation chamber drain regulating valve;Solution after degassing is after degassing room is flowed out Flowing into the second solution booster pump, pressure is divided into two-way after increasing, and the first via is changed from quadruple effect for after water regulating valve by quadruple effect The top solution inlet port in hot cell enters quadruple effect Heat Room, and the second tunnel connects the low-temperature liquid pipe of First Heat Exchanger, absorbs the The condensation latent heat of water vapour release in the condensation pipe of one heat exchanger, temperature raises, is divided into two-way afterwards, wherein leads up to Triple effect enters triple effect Heat Room for water regulating valve from top solution inlet port, and the second tunnel connects the cryogenic liquid of the second heat exchanger Pipeline, absorbs the condensation latent heat of water vapour release in the condensation pipe of the second heat exchanger, and temperature raises, is divided into two-way afterwards, Second effect of wherein leading up to enters the second effect Heat Room for water regulating valve from top solution inlet port, additionally leads up to the first effect The first effect Heat Room is entered from top solution inlet port for water regulating valve;The solution flowing into the first effect Heat Room is adding hot channel appearance Form liquid film on face, seethe with excitement after boiling point corresponding under the hot water heating that liquid film is heated in pipeline to first effect Heat Room pressure Evaporation, absorbs simultaneously and adds the heat of hot water release in hot channel, and the solution concentration after moisture evaporation increases, and accumulates in the first effect The bottom of Heat Room, under differential pressure action, flows into the second effect from bottom solution outlet by the first effect taphole regulation valve and changes Hot cell, and produce flash distillation in the second effect Heat Room;The most of water vapor produced in first effect Heat Room is from main steam header road Outlet flows into the condensation pipe of the second effect Heat Room, becomes condensation after the liquid film release condensation latent heat on condensation pipe outer surface Water, then flows out from the second effect drain regulating valve, and the fraction water vapour in the first effect Heat Room flows into from steam by-pass outlet The condensation pipe of the second heat exchanger, becomes after the anti-freezing solution release condensation latent heat in the low-temperature liquid pipe of the second heat exchanger Condensed water, then flows out from the first effect bypass drain regulating valve, mixes with the condensed water flowed out from condenser drain regulating valve; The solution flowing into the second effect Heat Room forms liquid film on condensation pipe outer surface, and liquid film is condensed the steam heating in pipeline Explosive evaporation after boiling point corresponding under the second effect Heat Room pressure, the simultaneously heat of water vapour release in absorption condensation pipeline Amount, the solution concentration after moisture evaporation increases, and accumulates in the bottom of the second effect Heat Room, under differential pressure action, molten from bottom Liquid outlet flows into triple effect Heat Room by the second effect taphole regulation valve, and produces flash distillation in triple effect Heat Room.The The most of water vapor produced in two effect Heat Rooms flows into the condensation pipe of triple effect Heat Room, Xiang Leng from main steam header way outlet Become condensed water after liquid film release condensation latent heat on solidifying pipeline external surface, then flow out from triple effect drain regulating valve, second Fraction water vapour in effect Heat Room flows into the condensation pipe of First Heat Exchanger from steam by-pass outlet, to low-temperature liquid pipe Anti-freezing solution release condensation latent heat after become condensed water, then flow out, and from condenser from the second effect bypass drain regulating valve The condensed water mixing that drain regulating valve flows out;The solution flowing into triple effect Heat Room forms liquid film on condensation pipe outer surface, The steam heating that liquid film is condensed in pipeline, to explosive evaporation after boiling point corresponding under triple effect Heat Room pressure, is inhaled simultaneously Receiving the heat of water vapour release in condensation pipe, the solution concentration after moisture evaporation increases, and accumulates in the end of triple effect Heat Room Portion, under differential pressure action, flows into quadruple effect Heat Room from bottom solution outlet by triple effect taphole regulation valve, and Flash distillation is produced in quadruple effect Heat Room.Most of water vapor in triple effect Heat Room flows into quadruple effect from main steam header way outlet The condensation pipe of Heat Room, becomes condensed water, then from the 4th after the liquid film release condensation latent heat on condensation pipe outer surface Effect drain regulating valve flows out, and the fraction water vapour in triple effect Heat Room flows into the condensing tube of degassing room from steam by-pass outlet Road, becomes condensed water after the anti-freezing solution release condensation latent heat entering degassing room, then bypasses drain regulating valve from triple effect Flow out, mix with the condensed water flowed out from condenser drain regulating valve;Flow into the solution of quadruple effect Heat Room outside condensation pipe Liquid film is formed, after boiling point corresponding under the steam heating that liquid film is condensed in pipeline to quadruple effect Heat Room pressure on surface Explosive evaporation, the simultaneously heat of water vapour release in absorption condensation pipeline, the solution concentration after moisture evaporation increases, and accumulates in The bottom of quadruple effect Heat Room, it is molten that solution enters first by quadruple effect taphole regulation valve after bottom solution outlet is flowed out Liquid booster pump, enters the high-temp liquid pipeline of solution heat exchanger, in the low-temperature liquid pipe of solution heat exchanger after being pressurized After anti-freezing solution release heat, then being mixed with the solution exported from bypass regulator valve by concentrated solution regulation valve, solution concentration drops Low, but bigger than exporting, from the circulation solution of closed type heat source tower, the solution concentration flowed out;Water vapour in quadruple effect Heat Room is from steaming The outlet of vapour main line flows into the condensation pipe of condenser, and the organic solution release condensation in the low-temperature liquid pipe of condenser is latent Become condensed water after heat, then flow out from condenser drain regulating valve;Hydrophobic from quadruple effect drain regulating valve, triple effect respectively By regulation valve, the second effect drain regulating valve, the first effect bypass drain regulating valve, the second effect bypass drain regulating valve, triple effect The condensed water that road drain regulating valve flows out, after the outlet mixing of condenser drain regulating valve, after being pressurizeed by condensate pump, is flowed into The high-temp liquid pipeline of solidifying water-to-water heat exchanger, after transferring heat to the anti-freezing solution in the low-temperature liquid pipe of solidifying water-to-water heat exchanger, Temperature reduces, and then drains into the external world;The water outlet of source pump is divided into two-way, leads up to for water regulating valve to external heat-exchanging system System hot-water supply, the first hot water regulating valve of effect of separately leading up to enters the hot channel that adds of quadruple effect Heat Room, the liquid outside pipeline After film heat transfer, temperature reduces, and then flows into source pump with after being mixed by the hot water backwater of time water regulating valve from water inlet, The heat that condenser in sorption type heat pump unit provides, temperature raises, then flows out from outlet, so circulates.
Further improvement as the using method to the heat source tower heat pump system that a kind of multiple-effect of the present invention regenerates: described Condensation for degasification room, degassing room, first effect Heat Room, second effect Heat Room, triple effect Heat Room, quadruple effect Heat Room true Reciprocal of duty cycle is by vacuum pump and condensation for degasification chamber pressure switch, degassing chamber pressure switch, the first effect Heat Room pressure switch, the second effect Heat Room pressure switch, triple effect Heat Room pressure switch and quadruple effect Heat Room pressure switch control after cooperating.
Further improvement as the using method to the heat source tower heat pump system that a kind of multiple-effect of the present invention regenerates: when cold When the vacuum of solidifying degassing room is relatively low, condensation for degasification chamber pressure switch is opened, and the vacuum pump gas outlet from condensation for degasification room takes out Go out incoagulable gas, discharge after being pressurized to normal pressure, otherwise, when the vacuum of condensation for degasification room is higher, condensation for degasification chamber pressure Power switch cuts out;When the vacuum of the room that deaerates is relatively low, degassing chamber pressure switch is opened, and the vacuum pump gas from degassing room goes out Mouth extracts water vapour out, discharges after being pressurized to normal pressure, otherwise, when the vacuum of the room that deaerates is higher, degassing chamber pressure switchs and closes Close;Remaining first effect Heat Room, the second effect Heat Room, triple effect Heat Room and the vacuum keeping method of quadruple effect Heat Room Similar to degassing room.
The present invention, compared with existing heat source tower anti-freezing solution regenerative system, the invention have the advantages that
1) utilize the 40~45 DEG C of hot water provided under heat source tower heat pump unit winter condition to drive regenerative process for thermal source, solve The supply problem of driving heat source of having determined, and steam condensation heat has been carried out multiple-effect utilization, substantially increase regeneration COP.
2) in the heating and cooling procedure of anti-icing fluid regeneration cycle, carried out step heating and flash distillation recuperation of heat, improve Heat utilization rate.
3) anti-freezing solution is de-gassed pretreatment, it is ensured that condensation heat transfer effect, decreases heat transfer temperature difference.
Accompanying drawing explanation
Below in conjunction with the accompanying drawings the detailed description of the invention of the present invention is described in further detail.
Fig. 1 is embodiment 1 primary structure schematic diagram.
Detailed description of the invention
Embodiment 1, Fig. 1 give the heat source tower heat pump system and method for a kind of multiple-effect regeneration, including working subsystem and again Raw subsystem.
Closed type heat source tower 1 (built-in circulation solution) that working subsystem includes, heat source tower circulating pump 14, bypass regulator valve 29, Source pump 7, organic solution circulating pump 18, inlet adjusting valve 26, outlet regulating valve 27, condenser bypass regulation valve 28, Return water regulating valve 51 and for water regulating valve 52.Regeneration subsystem includes that condenser 2, quadruple effect Heat Room 3, triple effect change Hot cell 4, second imitate Heat Room 5, first imitate Heat Room 6, solidifying water-to-water heat exchanger 8, solution heat exchanger 9, degassing room 10, the One heat exchanger the 11, second heat exchanger 12, condensation for degasification room 13, condensate pump the 15, first solution booster pump 16, second are molten Liquid booster pump 17, vacuum pump 19, quadruple effect Heat Room pressure switch 20, triple effect Heat Room pressure switch 21, second are imitated Heat Room pressure switch the 22, first effect Heat Room pressure switch 23, condensation for degasification chamber pressure switch 24, degassing chamber pressure are opened Close 25, concentrated solution regulates valve 30, condenser regulates valve 31, condensation for degasification room regulation valve 32, the hydrophobic regulation in condensation for degasification room Valve 33, condenser drain regulating valve 34, quadruple effect taphole regulation valve 35, quadruple effect are for water regulating valve 36, weak solution Regulation valve 37, triple effect taphole regulate valve 38, quadruple effect drain regulating valve 39, second imitates taphole regulation valve 40, Triple effect drain regulating valve 41, triple effect bypass drain regulating valve 42, second is imitated bypass drain regulating valve 43, first and is imitated molten Liquid outlet regulating valve 44, second imitates drain regulating valve 45, triple effect imitates bypass drain regulating valve for water regulating valve 46, first 47, the second effect is imitated for water regulating valve 48, second and is imitated hot water regulating valve 50 for water regulating valve 49 and first.
The circulation solution outlet of closed type heat source tower 1 is divided into two-way by heat source tower circulating pump 14, and first via connecting bypass regulates It is connected with concentrated solution regulation valve 30 outlet after valve 29, then accesses the circulation solution import of closed type heat source tower 1;Second tunnel is successively After connecting the solidifying low-temperature liquid pipe of water-to-water heat exchanger 8, the low-temperature liquid pipe of solution heat exchanger 9 and weak solution regulation valve 37 Access degassing room 10;The steam outlet at degassing top, room 10 connects the water vapour import of condensation for degasification room 13, and condensation is de- The condensation-water drain of air chamber 13 connects the import of condensation for degasification room drain regulating valve 33;The taphole of degassing room 10 connects Being divided into two-way after second solution booster pump 17, the first via is connected to quadruple effect Heat Room by quadruple effect for after water regulating valve 36 The solution inlet port at 3 tops, is divided into two-way after the low-temperature liquid pipe of the second tunnel connection First Heat Exchanger 11, wherein a-road-through Crossing the solution inlet port being connected to triple effect Heat Room 4 top after triple effect supplies water regulating valve 46, the second tunnel connects the second heat exchange Being divided into two-way after the low-temperature liquid pipe of device 12, the second effect of wherein leading up to is changed for being connected to the second effect after water regulating valve 48 Top, hot cell 5 solution inlet port, the second tunnel is molten for being connected to the first effect Heat Room 6 top after water regulating valve 49 by the first effect Liquid import;The bottom solution outlet of the first effect Heat Room 6 connects the second effect heat exchange by the first effect taphole regulation valve 44 The bottom solution import of room 5;First effect the main steam header way outlet of Heat Room 6, second effect Heat Room 5 condensation pipe, The outlet of the second effect drain regulating valve 45 and condenser drain regulating valve 34 is connected with each other successively;First effect Heat Room 6 Steam by-pass outlet, the condensation pipe of the second solution heat exchanger 12 and the first effect bypass drain regulating valve 47 are sequentially connected with;The The bottom solution outlet of two effect Heat Rooms 5 connects the bottom of triple effect Heat Room 4 by the second effect taphole regulation valve 40 Solution inlet port;The second effect main steam header way outlet of Heat Room 5, the condensation pipe of triple effect Heat Room 4, triple effect are hydrophobic The outlet of regulation valve 41 and condenser drain regulating valve 34 is connected with each other successively;The steam by-pass of the second effect Heat Room 5 goes out Mouth, the condensation pipe of the first solution heat exchanger 11 and the second effect bypass drain regulating valve 43 are sequentially connected with;Triple effect Heat Room The bottom solution outlet of 4 connects the bottom solution import of quadruple effect Heat Room 3 by triple effect taphole regulation valve 38; The main steam header way outlet of triple effect Heat Room 4, the condensation pipe of quadruple effect Heat Room 3, quadruple effect drain regulating valve 39 And the outlet of condenser drain regulating valve 34 is connected with each other successively;The steam by-pass outlet of triple effect Heat Room 4, degassing The condensation pipe of room 10 and triple effect bypass drain regulating valve 42 are sequentially connected with;The bottom solution of quadruple effect Heat Room 3 goes out Mouthful, quadruple effect taphole regulation valve the 35, first solution booster pump 16, the high-temp liquid pipeline of solution heat exchanger 9 and The import of concentrated solution regulation valve 30 is sequentially connected with;The main steam header way outlet of quadruple effect Heat Room 3, the condensation of condenser 2 Pipeline and condenser drain regulating valve 34 are sequentially connected with;The outlet of condenser drain regulating valve 34, the hydrophobic tune in condensation for degasification room The joint outlet of valve 33, the outlet of quadruple effect drain regulating valve 39, triple effect drain regulating valve 41, outlet and the second effect The outlet of drain regulating valve 45, the triple effect bypass outlet of drain regulating valve 42, the second effect bypass drain regulating valve 43 The outlet of outlet and the first effect bypass drain regulating valve 47 connects solidifying water-to-water heat exchanger by condensate pump 15 after being connected with each other The high-temp liquid pipeline of 8;The gas outlet of condensation for degasification room 13 connects condensation for degasification chamber pressure switch 24;Degassing room 10 Gas outlet connects degassing chamber pressure switch 25;The gas outlet of quadruple effect Heat Room 3 connects quadruple effect Heat Room pressure and opens Close 20;The gas outlet of triple effect Heat Room 4 connects triple effect Heat Room pressure switch 21;The gas of the second effect Heat Room 5 Body outlet connects the second effect Heat Room pressure switch 22;The gas outlet of the first effect Heat Room 6 connects the first effect heat exchange chamber pressure Power switch 23;Condensation for degasification chamber pressure switch 24, degassing chamber pressure switch 25, quadruple effect Heat Room pressure switch 20, the Triple effect Heat Room pressure switch 21, second imitates Heat Room pressure switch 22 and the first effect Heat Room pressure switch 23 is mutual After parallel connection, the air inlet with vacuum pump 19 is connected with each other.
The outlet of source pump 7 is divided into two-way, leads up to for water regulating valve 52 externally connected heat-exchange system feed pipe Road;What the first hot water regulating valve of effect 50 of additionally leading up to connected the first effect Heat Room 6 adds hot channel;External heat-exchanging system Water return pipeline is by being connected to source pump again after being connected with the first heating pipe outlet imitating Heat Room 6 after returning water regulating valve 51 The water inlet of 7;The organic solution outlet of source pump 7, solution circulation pump 18, inlet adjusting valve 26 and closed type heat source tower The organic solution import of 1 is sequentially connected with;It is divided into three after the organic solution outlet connection outlet regulation valve 27 of closed type heat source tower 1 Road, a road connects condenser bypass valve 28;Second tunnel is sequentially connected with and regulates valve 31, the low temperature of condenser 2 by condenser After fluid pipeline, the outlet with condenser bypass valve 28 is connected;3rd tunnel passes sequentially through condensation for degasification room regulation valve 32 and cold It is connected with the outlet of condenser bypass valve 28 after the condensation pipe of solidifying degassing room 13.
The built-in circulation solution of closed type heat source tower 1 is water under summer condition, is anti-freezing solution under winter condition, anti-freezing solution Can be selected for organic aqueous solution (such as ethylene glycol solution, in the present embodiment of the present invention, use ethylene glycol solution) or inorganic matter Aqueous solution (such as calcium chloride solution).
The present invention, in actual running, is divided into the steps:
System conditions is divided into summer condition and winter condition two kinds (because the built-in circulation solution of closed type heat source tower 1 is in the summer It is water under season operating mode, is anti-freezing solution under winter condition);
One, the specifically used step under summer condition is as follows:
1, under summer condition, regeneration subsystem is closed, and working subsystem is opened, and the circulation solution in closed type heat source tower 1 is water, Closed type heat source tower 1 is actually pressed evaporative cooling tower and is used.
2, organic solution (ethylene glycol solution) flows out from the organic solution outlet of source pump 7, and passes sequentially through solution circulation The organic solution import of pump 18, inlet adjusting valve 26 and closed type heat source tower 1 enters closed type heat source tower 1 internal heat pipeline, to Moisture film on heat exchange pipeline outer surface releases heat, and temperature reduces, then flows out from the organic solution outlet of closed type heat source tower 1, After passing sequentially through regulation valve 27 and condenser bypass valve 28, enter source pump 7 by the organic solution import of source pump 7 (condenser within source pump 7 carries Cooling Water).
3, water exports from the circulation solution of closed type heat source tower 1 and flows out, and pressurizes through heat source tower circulating pump 24, and is adjusted by bypass Joint valve 29 flows into from the circulation solution import of closed type heat source tower 1;
Water is sprinkled upon internal heat pipeline outer surface in closed type heat source tower 1 inside by cloth, forms moisture film and falls, with closed type heat source tower 1 The surrounding air come in from external world's suction directly contacts, and the portion of water evaporation in moisture film, moisture film absorbs internal simultaneously The heat of organic solution (described in step 2) in heat exchange pipeline so that it is temperature reduces.
4, source pump 7 water outlet passes sequentially through outlet and for entering external heat-exchanging system water supply pipeline after water regulating valve 52;Water In outside heat-exchange system supply channel after heat exchange, temperature raises, then from external heat-exchanging system return pipeline through returning water regulating valve 51 flow into, from water inlet, the cold that the vaporizer in source pump 7, and sorption type heat pump unit 7 provides.
Two, the specifically used step under winter condition is as follows:
1, the circulation solution in closed type heat source tower 1 is anti-freezing solution (ethylene glycol solution), when there is no deicing requirements, and work Subsystem is opened, and regeneration subsystem is closed, and heat source tower circulating pump 14 cuts out simultaneously, now:
1.1, organic solution flows out from the organic solution outlet of source pump 7, and passes sequentially through solution circulation pump 18, import tune Joint valve 26 and closed type heat source tower 1 organic solution import enter closed type heat source tower 1 internal heat pipeline, take out with closed type heat source tower 1 The surrounding air inhaled carries out indirect heat exchange, and temperature raises, then flows out from organic solution outlet, sequentially passes through outlet regulating valve 27 After condenser bypass valve 28, in entering source pump 7, and sorption type heat pump unit 7 by organic solution import, vaporizer provides Cold.
1.2, source pump 7 water outlet passes sequentially through outlet and enters external heat-exchanging system water supply pipeline for water regulating valve 52, changes After heat, temperature reduces, then flows into source pump by returning water regulating valve 51 from water inlet from external heat-exchanging system return pipeline, And the heat that the condenser in sorption type heat pump unit 7 provides.
2, when there being deicing requirements, but anti-freezing solution without regenerating time, working subsystem opens, and regeneration subsystem is closed, this Time:
2.1, organic solution flows out from the organic solution outlet of source pump 7, and passes sequentially through solution circulation pump 18, import tune The organic solution import of joint valve 26 and closed type heat source tower 1 enters the heat exchange pipeline within closed type heat source tower 1, absorption heat-exchange pipeline Liquid film liberated heat on outer surface, temperature raise, then from organic solution outlet flow out, successively through outlet regulating valve 27, Condenser bypass valve 28 and organic solution import enter the cold of the vaporizer offer in source pump 7, and sorption type heat pump unit 7 Amount.
2.2, anti-freezing solution exports from the circulation solution of closed type heat source tower 1 and flows out, and pressurizes through heat source tower circulating pump 24, and leads to Crossing bypass regulator valve 29 to flow into from closed type heat source tower circulation solution import, anti-freezing solution is sprinkled upon within closed type heat source tower 1 by cloth Heat exchange pipeline outer surface forms liquid film and falls, and the surrounding air come in from external world's suction with closed type heat source tower 1 directly contacts, Liquid film absorbs the sensible heat in air and water vapour, and in liquid film internally heat exchange pipeline, organic solution releases heat simultaneously so that it is temperature Degree raises.
2.3, (source pump 7 water outlet passes sequentially through outlet and enters external heat-exchanging system water supply for water regulating valve 52 with 1.2 Pipeline, after heat exchange, temperature reduces, then flows into heat by returning water regulating valve 51 from water inlet from external heat-exchanging system return pipeline The heat that condenser in pump assembly, and sorption type heat pump unit 7 provides.)
3, when there being deicing requirements, when anti-freezing solution need to regenerate, working subsystem and regeneration subsystem are all opened, now:
3.1, organic solution flows out from the organic solution outlet of source pump 7, and passes sequentially through solution circulation pump 18, import tune The organic solution import of joint valve 26 and closed type heat source tower 1 enters closed type heat source tower 1 internal heat pipeline, outside absorption heat-exchange pipeline Liquid film on surface releases heat, and temperature raises, then flows out from the organic solution outlet of closed type heat source tower 1, through outlet regulating Being divided into three tunnels after valve 27, a road is directly by condenser bypass valve 28;Second tunnel enters condenser through condenser regulation valve 31 The low-temperature liquid pipe of 2, in absorption condensation pipeline water vapour release the latent heat of vaporization after, temperature raise, then with from condenser The solution mixing of bypass valve 28 outlet;3rd tunnel enters the Low Temperature Liquid of condensation for degasification room 13 after condensation for degasification room regulation valve 32 Body pipeline, after absorbing the latent heat of vaporization of water vapour condensation release, temperature raises, more molten with export from condenser bypass valve 28 Liquid mixes.
Mixed organic solution temperature slightly raises, then enters source pump 7 by the organic solution import of source pump 7, inhales Receiving the cold that the vaporizer in source pump 7 provides, temperature reduces, then flows out from the organic solution outlet of source pump 7, as This circulation.
3.2, anti-freezing solution exports from the circulation solution of closed type heat source tower 1 and flows out, and is divided into after heat source tower circulating pump 24 pressurizes Two-way, leads up to bypass regulator valve 29, after mix with the anti-freezing solution of concentrated solution regulation valve outlet port 30, and concentration increase, then Flowing into from from the circulation solution import of closed type heat source tower 1, anti-freezing solution is sprinkled upon closed type heat source tower 1 internal heat pipeline appearance by cloth Face forms liquid film and falls, and the surrounding air come in from external world's suction with closed type heat source tower 1 directly contacts, and liquid film absorbs sky Sensible heat in gas and water vapour, in liquid film internally heat exchange pipeline, organic solution releases heat simultaneously so that it is temperature raises;Separately An outer road enters the low-temperature liquid pipe of solidifying water-to-water heat exchanger 8.
3.3, during anti-freezing solution absorbs the high-temp liquid pipeline of solidifying water-to-water heat exchanger 8 in the low-temperature liquid pipe of solidifying water-to-water heat exchanger 8 Condensed water institute liberated heat after, temperature raises, then flows into the low-temperature liquid pipe of solution heat exchanger 9, and inhales wherein After receiving the heat that the anti-freezing solution in the high-temp liquid pipeline of solution heat exchanger 9 discharges, temperature raises further, then passes through Weak solution regulation valve 37 enters degassing room 10 after being depressured to degassing chamber pressure.
3.4, the solution condensation latent heat that in absorption condensation pipeline, water vapour discharges in degassing room 10, temperature is increased to the room that deaerates Boiling temperature corresponding under 10 pressure, the portion of water explosive evaporation in solution, the incoagulable gas simultaneously contained in solution A large amount of effusions, solution concentration is slightly increased, and incoagulable gas content is greatly reduced.
3.5, the water vapour being mixed with incoagulable gas exits into condensation for degasification room 13 from degassing top, room 10, and water vapour exists Condensation for degasification room 13 transfers heat to the organic solution in the low-temperature liquid pipe of condensation for degasification room 13, becomes condensed water, Partial pressure of water vapor in condensation for degasification room 13 reduces simultaneously, and incoagulable gas partial pressure raises.
The condensed water produced in condensation for degasification room 13 after condensation-water drain flows out through condensation for degasification room drain regulating valve 33 with from The condensed water mixing that condensation chamber drain regulating valve 34 flows out.
3.6, the solution after degassing flows into the second solution booster pump 17 after degassing room 10 is flowed out, and pressure is divided into two-way after increasing, The first via enters quadruple effect Heat Room 3 for after water regulating valve 36 from the top solution inlet port of quadruple effect Heat Room 3 by quadruple effect, Second tunnel connects the low-temperature liquid pipe of First Heat Exchanger 11, absorbs water vapour release in the condensation pipe of First Heat Exchanger 11 Condensation latent heat, temperature raises, is divided into two-way afterwards, and triple effect of wherein leading up to supplies water regulating valve 46 from top solution inlet port Entering triple effect Heat Room 4, the second tunnel connects the low-temperature liquid pipe of the second heat exchanger 12, absorbs the cold of the second heat exchanger 12 The condensation latent heat of water vapour release in solidifying pipeline, temperature raises, is divided into two-way afterwards, and the second effect of wherein leading up to supplies water and adjusts Joint valve 48 enters the second effect Heat Room 5 from top solution inlet port, and the first effect of additionally leading up to is molten from top for water regulating valve 49 Liquid import enters the first effect Heat Room 6.
3.7, the solution flowing into the first effect Heat Room 6 forms liquid film on heating pipeline external surface, and liquid film is heated in pipeline Hot water heating, to explosive evaporation after boiling point corresponding under the first effect Heat Room 6 pressure, absorbs simultaneously and adds hot water in hot channel and release The heat put, the solution concentration after moisture evaporation increases, and accumulates in the bottom of the first effect Heat Room 6, under differential pressure action, The second effect Heat Room 5 is flowed into by the first effect taphole regulation valve 44 from bottom solution outlet, and in the second effect Heat Room Produce flash distillation.
The most of water vapor produced in first effect Heat Room 6 flows into the condensation of the second effect Heat Room 5 from main steam header way outlet Pipeline, becomes condensed water after the liquid film release condensation latent heat on condensation pipe outer surface, then from the second effect drain regulating valve 40 flow out, and the fraction water vapour in the first effect Heat Room 6 flows into the condensation pipe of the second heat exchanger 12 from steam by-pass outlet, Condensed water is become, then from the first effect after anti-freezing solution release condensation latent heat in the low-temperature liquid pipe of the second heat exchanger 12 Bypass drain regulating valve 47 flows out, and mixes with the condensed water flowed out from condenser drain regulating valve 34.
3.8, the solution flowing into the second effect Heat Room 5 forms liquid film on condensation pipe outer surface, and liquid film is condensed in pipeline Steam heating is to explosive evaporation after boiling point corresponding under the second effect Heat Room 5 pressure, and in absorption condensation pipeline, water steams simultaneously The heat of vapour release, the solution concentration after moisture evaporation increases, and accumulates in the bottom of the second effect Heat Room 5, at differential pressure action Under, flow into triple effect Heat Room 4 from bottom solution outlet by the second effect taphole regulation valve 40, and in triple effect heat exchange Flash distillation is produced in room 4.The most of water vapor produced in second effect Heat Room 5 flows into triple effect heat exchange from main steam header way outlet The condensation pipe of room 4, becomes condensed water, then from triple effect after the liquid film release condensation latent heat on condensation pipe outer surface Drain regulating valve 38 flows out, and the fraction water vapour in the second effect Heat Room 5 flows into First Heat Exchanger 6 from steam by-pass outlet Condensation pipe, discharge after condensation latent heat to the anti-freezing solution of low-temperature liquid pipe and become condensed water, then from the second effect bypass Drain regulating valve 45 flows out, and mixes with the condensed water flowed out from condenser drain regulating valve 34.
3.9, the solution flowing into triple effect Heat Room 4 forms liquid film on condensation pipe outer surface, and liquid film is condensed in pipeline Steam heating to explosive evaporation, simultaneously water in absorption condensation pipeline after boiling point corresponding under triple effect Heat Room 4 pressure The heat of steam release, the solution concentration after moisture evaporation increases, and accumulates in the bottom of triple effect Heat Room 4, makees at pressure reduction Under with, flow into quadruple effect Heat Room 3 from bottom solution outlet by triple effect taphole regulation valve 38, and at quadruple effect Flash distillation is produced in Heat Room 3.Most of water vapor in triple effect Heat Room 2 flows into quadruple effect from main steam header way outlet and changes The condensation pipe in hot cell 3, becomes condensed water, then from the 4th after the liquid film release condensation latent heat on condensation pipe outer surface Effect drain regulating valve 39 flows out, and the fraction water vapour in triple effect Heat Room 4 flows into degassing room 10 from steam by-pass outlet Condensation pipe, to enter degassing room 10 anti-freezing solution release condensation latent heat after become condensed water, then by triple effect Road drain regulating valve 42 flows out, and mixes with the condensed water flowed out from condenser drain regulating valve 34.
3.10, the solution flowing into quadruple effect Heat Room 3 forms liquid film on condensation pipe outer surface, and liquid film is condensed in pipeline Steam heating to explosive evaporation, simultaneously water in absorption condensation pipeline after boiling point corresponding under quadruple effect Heat Room 3 pressure The heat of steam release, the solution concentration after moisture evaporation increases, and accumulates in the bottom of quadruple effect Heat Room 3, and solution is the end of from Portion's taphole enters the first solution booster pump 16 by quadruple effect taphole regulation valve 35 after flowing out, and enters molten after being pressurized The high-temp liquid pipeline of liquid heat exchanger 9, after the anti-freezing solution release heat in the low-temperature liquid pipe of solution heat exchanger 9, then Being mixed with the solution exported from bypass regulator valve 29 by concentrated solution regulation valve 30, solution concentration reduces, but ratio is from closed type heat source The solution concentration that the circulation solution outlet of tower 1 is flowed out is big.Water vapour in quadruple effect Heat Room 3 flows into from main steam header way outlet The condensation pipe of condenser 2, becomes condensation after the organic solution release condensation latent heat in the low-temperature liquid pipe of condenser 2 Water, then flows out from condenser drain regulating valve 34.
3.11, from each drain regulating valve, (quadruple effect drain regulating valve 39, triple effect drain regulating valve 41, second imitate hydrophobic tune Joint valve 45, first is imitated bypass drain regulating valve 47, second and is imitated bypass drain regulating valve 43, triple effect bypass drain regulating valve 42) The condensed water flowed out is after condenser drain regulating valve 34 outlet mixing, after being pressurizeed by condensate pump 15, flows into solidifying water heat exchange The high-temp liquid pipeline of device 8, after transferring heat to the anti-freezing solution in the low-temperature liquid pipe of solidifying water-to-water heat exchanger 8, temperature drops Low, then drain into the external world.
3.12, condensation for degasification room 13, degassing room 10, first imitate Heat Room 6, second imitate Heat Room 5, triple effect Heat Room 4, By vacuum pump and respective pressure switch, (vacuum pump is that vacuum pump 19, respective pressure are opened to the vacuum of quadruple effect Heat Room 3 Close and be respectively condensation for degasification chamber pressure switch 24, degassing chamber pressure switch the 25, first effect Heat Room pressure switch 23, second is imitated Heat Room pressure switch 22, triple effect Heat Room pressure switch 21, quadruple effect Heat Room pressure switch 20) ensure.Work as condensation When the vacuum of degassing room 13 is relatively low, condensation for degasification chamber pressure switch 24 is opened, and vacuum pump 19 is from the gas of condensation for degasification room 13 Incoagulable gas is extracted in outlet out, discharges after being pressurized to normal pressure, otherwise, when the vacuum of condensation for degasification room 13 is higher, condensation Degassing chamber pressure switch 24 closedown.When the vacuum of the room 10 that deaerates is relatively low, degassing chamber pressure switch 25 is opened, vacuum pump from The gas outlet of degassing room 10 extracts water vapour out, discharges after being pressurized to normal pressure, otherwise, when the vacuum of the room 10 that deaerates is higher, Degassing chamber pressure switch 25 closedown.Remaining first effect Heat Room, the second effect Heat Room, triple effect Heat Room and quadruple effect heat exchange The vacuum keeping method of room is similar to degassing room.
3.13, the water outlet of source pump 7 is divided into two-way, leads up to for water regulating valve 52 to outside heat-exchange system hot-water supply, The first hot water regulating valve of effect 50 of separately leading up to enters the hot channel that adds of quadruple effect Heat Room 3, after the liquid film heat release outside pipeline, Temperature reduces, and then flows into source pump 7 with after being mixed by the hot water backwater of time water regulating valve 51 from water inlet, absorbs heat The heat that condenser in pump assembly 7 provides, temperature raises, then flows out from outlet, so circulates.
The calculating parameter of embodiment 1 is shown in Table 1 (the 1kg water vapour absorbed from air for heat source tower heat pump system), system Being in the regeneration mode under winter condition, design condition is: ambient temperature 0 DEG C, and anti-freezing solution uses calcium chloride solution, matter Amount concentration is 20%, and the freezing point of anti-freezing solution is-20 DEG C, and anti-freezing solution reproduction quality concentration is 28%, hot water Inlet and outlet water temperature Being 45/40 DEG C, use 4 effect regeneration, between effect, heat transfer temperature difference is 3 DEG C, and system minimum pressure is 863.6pa (absolute pressure), Maximum pressure is the first effect Heat Room pressure 4459pa, and degassing room exhaust steam accounts for the 0.5% of liquid inlet volume, and condensation for degasification room condenses water temperature 2 DEG C, solidifying water rate 98.5%, the water vapour of condensation for degasification room intermediate pump extraction and the volume ratio of incoagulable gas are 4.15:1, During regeneration, the circulating ratio of weak solution is 9.33, and dehydration rate is 10.7%, reduces because of condenser and the recuperation of heat of condensation for degasification room Heat source tower thermic load be 579 kJ/kg, regeneration heat consumption be 786 kJ/kg, heat pump, vacuum pump, the first solution booster pump, Second solution booster pump, condensate pump power consumption are respectively 393,13,1.62,0.28,0.23 kJ/kg, regenerate COP (being defined as latent heat and the ratio of regeneration power consumption of 1kg water) is 6.12, and regeneration fire effect is 9.7%.Compare and use list at present The regeneration COP of effect regeneration about 3.7, the present invention improves the efficiency of 60%, and high-grade heat has been carried out good utilization, this Hot water produced by outer directly employing heat pump carries out regenerating rather than being directly connected to heat pump condenser or recooler, the most more There is realistic feasibility.
As can be seen here, compared with prior art, regeneration efficiency is high, and solves on-condensible gas problem for the present invention, has more preferably Technological Economy be worth, effectively achieve the original intention of the present invention.
In above embodiment, concrete use condition can be considered and rationally determine with the factor such as requirement, technical and economic performance The design parameter of system, to take into account the suitability and the economy of system.
The thermodynamic computing result (the 1kg water vapour absorbed from air for heat source tower heat pump system) of table 1 embodiment 1
Finally, in addition it is also necessary to be only several specific embodiments of the present invention it is noted that listed above.Obviously, the present invention It is not limited to above example, it is also possible to have many deformation.Those of ordinary skill in the art can be straight from present disclosure Connect all deformation derived or associate, be all considered as protection scope of the present invention.

Claims (7)

1. a heat source tower heat pump system for multiple-effect regeneration, is characterized in that: include working subsystem and regeneration subsystem;Described working subsystem includes the closed type heat source tower (1) of built-in circulation solution, heat source tower circulating pump (14), bypass regulator valve (29), source pump (7), solution circulation pump (18), inlet adjusting valve (26), outlet regulating valve (27), condenser bypass valve (28), returns water regulating valve (51), for water regulating valve (52);nullDescribed regeneration subsystem includes condenser (2)、Quadruple effect Heat Room (3)、Triple effect Heat Room (4)、Second effect Heat Room (5)、First effect Heat Room (6)、Solidifying water-to-water heat exchanger (8)、Solution heat exchanger (9)、Degassing room (10)、First Heat Exchanger (11)、Second heat exchanger (12)、Condensation for degasification room (13)、Condensate pump (15)、First solution booster pump (16)、Second solution booster pump (17)、Vacuum pump (19)、Quadruple effect Heat Room pressure switch (20)、Triple effect Heat Room pressure switch (21)、Second effect Heat Room pressure switch (22)、First effect Heat Room pressure switch (23)、Condensation for degasification chamber pressure switch (24)、Degassing chamber pressure switch (25)、Concentrated solution regulation valve (30)、Condenser regulation valve (31)、Condensation for degasification room regulation valve (32)、Condensation for degasification room drain regulating valve (33)、Condenser drain regulating valve (34)、Quadruple effect taphole regulation valve (35)、Quadruple effect is for water regulating valve (36)、Weak solution regulation valve (37)、Triple effect taphole regulation valve (38)、Quadruple effect drain regulating valve (39)、Second effect taphole regulation valve (40)、Triple effect drain regulating valve (41)、Triple effect bypass drain regulating valve (42)、Second effect bypass drain regulating valve (43)、First effect taphole regulation valve (44)、Second effect drain regulating valve (45)、Triple effect is for water regulating valve (46)、First effect bypass drain regulating valve (47)、Second effect is for water regulating valve (48)、First effect imitates hot water regulating valve (50) for water regulating valve (49) and first;The circulation solution outlet of described closed type heat source tower (1) is divided into two-way by heat source tower circulating pump (14), first via connecting bypass regulation valve (29) is connected with concentrated solution regulation valve (30) outlet afterwards, then accesses the circulation solution import of closed type heat source tower (1);Second tunnel is sequentially connected with the low-temperature liquid pipe of solidifying water-to-water heat exchanger (8), the low-temperature liquid pipe of solution heat exchanger (9) and weak solution regulation valve (37) and accesses degassing room (10) afterwards;
The steam outlet at degassing room (10) top connects the water vapour import of condensation for degasification room (13), and the condensation-water drain of condensation for degasification room (13) connects the import of condensation for degasification room drain regulating valve (33);
The taphole of degassing room (10) is divided into two-way after connecting the second solution booster pump (17), the first via is connected to the solution inlet port at quadruple effect Heat Room (3) top after supplying water regulating valve (36) by quadruple effect, it is divided into two-way after the low-temperature liquid pipe on the second tunnel connection First Heat Exchanger (11), triple effect of wherein leading up to is for being connected to the solution inlet port at triple effect Heat Room (4) top after water regulating valve (46), second tunnel is divided into two-way after connecting the low-temperature liquid pipe of the second heat exchanger (12), wherein lead up to the second effect for being connected to the second effect Heat Room (5) top solution inlet port after water regulating valve (48), second tunnel is connected to the first effect Heat Room (6) top solution inlet port after supplying water regulating valve (49) by the first effect;
The bottom solution outlet of the first effect Heat Room (6) connects the bottom solution import of the second effect Heat Room (5) by the first effect taphole regulation valve (44);
The outlet of the main steam header way outlet of the first effect Heat Room (6), the condensation pipe of the second effect Heat Room (5), the second effect drain regulating valve (45) and condenser drain regulating valve (34) is connected with each other successively;
The steam by-pass outlet of the first effect Heat Room (6), the condensation pipe of the second heat exchanger (12) and the first effect bypass drain regulating valve (47) are sequentially connected with;
The bottom solution outlet of the second effect Heat Room (5) connects the bottom solution import of triple effect Heat Room (4) by the second effect taphole regulation valve (40);
The outlet of main steam header way outlet, the condensation pipe of triple effect Heat Room (4), triple effect drain regulating valve (41) and the condenser drain regulating valve (34) of the second effect Heat Room (5) is connected with each other successively;
The steam by-pass outlet of the second effect Heat Room (5), the condensation pipe of First Heat Exchanger (11) and the second effect bypass drain regulating valve (43) are sequentially connected with;
The bottom solution outlet of triple effect Heat Room (4) connects the bottom solution import of quadruple effect Heat Room (3) by triple effect taphole regulation valve (38);
The outlet of the main steam header way outlet of triple effect Heat Room (4), the condensation pipe of quadruple effect Heat Room (3), quadruple effect drain regulating valve (39) and condenser drain regulating valve (34) is connected with each other successively;
Steam by-pass outlet, the condensation pipe of degassing room (10) and triple effect bypass drain regulating valve (42) of triple effect Heat Room (4) are sequentially connected with;
The import of bottom solution outlet, quadruple effect taphole regulation valve (35), the first solution booster pump (16), the high-temp liquid pipeline of solution heat exchanger (9) and concentrated solution regulation valve (30) of quadruple effect Heat Room (3) is sequentially connected with;
The main steam header way outlet of quadruple effect Heat Room (3), the condensation pipe of condenser (2) and condenser drain regulating valve (34) are sequentially connected with;
The outlet of condenser drain regulating valve (34), the outlet of condensation for degasification room drain regulating valve (33), the outlet of quadruple effect drain regulating valve (39), the outlet of triple effect drain regulating valve (41) and the outlet of the second effect drain regulating valve (45), the outlet of triple effect bypass drain regulating valve (42), the outlet of the second effect bypass drain regulating valve (43), and first the outlet of effect bypass drain regulating valve (47) be connected with each other after by the high-temp liquid pipeline of condensate pump (15) the solidifying water-to-water heat exchanger (8) of connection;
The gas outlet of condensation for degasification room (13) connects condensation for degasification chamber pressure switch (24);
The gas outlet of degassing room (10) connects degassing chamber pressure switch (25);
The gas outlet of quadruple effect Heat Room (3) connects quadruple effect Heat Room pressure switch (20);
The gas outlet of triple effect Heat Room (4) connects triple effect Heat Room pressure switch (21);
The gas outlet of the second effect Heat Room (5) connects the second effect Heat Room pressure switch (22);
The gas outlet of the first effect Heat Room (6) connects the first effect Heat Room pressure switch (23);
After condensation for degasification chamber pressure switch (24), degassing chamber pressure switch (25), quadruple effect Heat Room pressure switch (20), triple effect Heat Room pressure switch (21), the second effect Heat Room pressure switch (22) and the first effect Heat Room pressure switch (23) are parallel with one another, the air inlet with vacuum pump (19) is connected with each other;
The outlet of source pump (7) is divided into two-way, leads up to for water regulating valve (52) externally connected heat-exchange system supply channel;The hot water regulating valve of the first effect (50) of additionally leading up to connect first effect Heat Room (6) add hot channel;
External heat-exchanging system return pipeline is connected to the water inlet of source pump (7) again by time water regulating valve (51) after being connected with the first heating pipe outlet imitating Heat Room (6) afterwards;
The organic solution import of the organic solution outlet of source pump (7), solution circulation pump (18), inlet adjusting valve (26) and closed type heat source tower (1) is sequentially connected with;
Three tunnels, a road it are divided into connect condenser bypass valve (28) after organic solution outlet connection outlet regulation valve (27) of closed type heat source tower (1);Second tunnel is connected with the outlet of condenser bypass valve (28) after being sequentially connected with the low-temperature liquid pipe being regulated valve (31), condenser (2) by condenser;3rd tunnel pass sequentially through condensation for degasification room regulation valve (32) and condensation for degasification room (13) condensation pipe after be connected with the outlet of condenser bypass valve (28).
The heat source tower heat pump system of a kind of multiple-effect the most according to claim 1 regeneration, is characterized in that: described circulation solution is water under summer condition, is anti-freezing solution under winter condition;
Described anti-freezing solution selects organic aqueous solution or aqueous solution of inorganic matter.
The heat source tower heat pump system of a kind of multiple-effect the most according to claim 2 regeneration, is characterized in that: described organic solution is ethylene glycol solution.
4. the using method of the heat source tower heat pump system of a multiple-effect regeneration;It is characterized in that: closing by adjusting regeneration subsystem, the Push And Release of working subsystem completes;
Use step under summer condition is as follows:
Regeneration subsystem is closed, and working subsystem is opened, and the circulation solution in closed type heat source tower (1) is water, and closed type heat source tower (1) is actually pressed evaporative cooling tower and used;
Organic solution flows out from the organic solution outlet of source pump (7), and the organic solution import passing sequentially through solution circulation pump (18), inlet adjusting valve (26) and closed type heat source tower (1) enters closed type heat source tower (1) internal heat pipeline, moisture film on heat exchange pipeline outer surface releases heat, temperature reduces, flow out from the organic solution outlet of closed type heat source tower (1) again, after passing sequentially through regulation valve (27) and condenser bypass valve (28), enter source pump (7) by the organic solution import of source pump (7);
Water exports from the circulation solution of closed type heat source tower (1) and flows out, and pressurizes through heat source tower circulating pump (24), and is flowed into from the circulation solution import of closed type heat source tower (1) by bypass regulator valve (29);
Water is sprinkled upon internal heat pipeline outer surface formation moisture film in closed type heat source tower (1) inside by cloth and falls, the surrounding air come in from external world's suction with closed type heat source tower (1) directly contacts, portion of water evaporation in moisture film, the heat of organic solution during moisture film absorbs internal heat pipeline simultaneously so that it is temperature reduces;
Source pump (7) water outlet passes sequentially through outlet and enters external heat-exchanging system water supply pipeline afterwards for water regulating valve (52);Water is in outside heat-exchange system supply channel after heat exchange, temperature raises, source pump (7), and the cold that the vaporizer in sorption type heat pump unit (7) provides is flowed into through returning water regulating valve (51) from water inlet again from external heat-exchanging system return pipeline;
Under winter condition, do not have specifically used step during deicing requirements as follows:
Circulation solution in closed type heat source tower (1) is anti-freezing solution, and working subsystem is opened, and regeneration subsystem is closed, and heat source tower circulating pump (14) cuts out simultaneously, now:
Organic solution flows out from the organic solution outlet of source pump (7), and pass sequentially through solution circulation pump (18), inlet adjusting valve (26) and closed type heat source tower (1) organic solution import enter closed type heat source tower (1) internal heat pipeline, the surrounding air aspirated with closed type heat source tower (1) carries out indirect heat exchange, temperature raises, flow out from organic solution outlet again, after sequentially passing through outlet regulating valve (27) and condenser bypass valve (28), source pump (7) is entered by organic solution import, and the cold that sorption type heat pump unit (7) interior vaporizer provides;
Source pump (7) water outlet passes sequentially through outlet and enters external heat-exchanging system water supply pipeline for water regulating valve (52), after heat exchange, temperature reduces, flow into, from water inlet, the heat that the condenser in source pump, and sorption type heat pump unit (7) provides by returning water regulating valve (51) again from external heat-exchanging system return pipeline;
When there being deicing requirements, but anti-freezing solution without regenerating time, working subsystem opens, and regeneration subsystem is closed, now:
Organic solution flows out from the organic solution outlet of source pump (7), and pass sequentially through solution circulation pump (18), the organic solution import of inlet adjusting valve (26) and closed type heat source tower (1) enters the heat exchange pipeline that closed type heat source tower (1) is internal, liquid film on absorption heat-exchange pipeline external surface releases heat, temperature raises, flow out from organic solution outlet again, successively through outlet regulating valve (27), condenser bypass valve (28) and organic solution import enter source pump (7), and the cold that the vaporizer in sorption type heat pump unit (7) provides;
Anti-freezing solution exports from the circulation solution of closed type heat source tower (1) and flows out, pressurize through heat source tower circulating pump (24), and flowed into from closed type heat source tower circulation solution import by bypass regulator valve (29), anti-freezing solution is sprinkled upon the internal heat exchange pipeline outer surface of closed type heat source tower (1) by cloth and forms liquid film whereabouts, the surrounding air come in from external world's suction with closed type heat source tower (1) directly contacts, liquid film absorbs the sensible heat in air and water vapour, in liquid film internally heat exchange pipeline, organic solution releases heat simultaneously so that it is temperature raises;
Source pump (7) water outlet passes sequentially through outlet and enters external heat-exchanging system water supply pipeline for water regulating valve (52), after heat exchange, temperature reduces, flow into, from water inlet, the heat that the condenser in source pump, and sorption type heat pump unit (7) provides by returning water regulating valve (51) again from external heat-exchanging system return pipeline.
The using method of the heat source tower heat pump system of a kind of multiple-effect the most according to claim 4 regeneration, is characterized in that: under winter condition having specifically used step during deicing requirements as follows:
Anti-freezing solution needs regeneration, and working subsystem and regeneration subsystem are all opened, now:
Organic solution flows out from the organic solution outlet of source pump (7), and the organic solution import passing sequentially through solution circulation pump (18), inlet adjusting valve (26) and closed type heat source tower (1) enters closed type heat source tower (1) internal heat pipeline, liquid film on absorption heat-exchange pipeline external surface releases heat, temperature raises, flow out from the organic solution outlet of closed type heat source tower (1) again, being divided into three tunnels after outlet regulating valve (27), a road is directly by condenser bypass valve (28);Second tunnel regulates valve (31) through condenser and enters the low-temperature liquid pipe of condenser (2), in absorption condensation pipeline after the latent heat of vaporization of water vapour release, temperature raises, then mixes with the solution exported from condenser bypass valve (28);3rd tunnel enters the low-temperature liquid pipe of condensation for degasification room (13) behind condensation for degasification room regulation valve (32), after absorbing the latent heat of vaporization of water vapour condensation release, temperature raises, then mixes with the solution exported from condenser bypass valve (28);
Mixed organic solution temperature slightly raises, source pump (7) is entered again by the organic solution import of source pump (7), the cold that vaporizer in sorption type heat pump unit (7) provides, temperature reduces, flow out from the organic solution outlet of source pump (7) again, so circulate;
Anti-freezing solution exports from the circulation solution of closed type heat source tower (1) and flows out, it is divided into two-way after heat source tower circulating pump (24) pressurizes, lead up to bypass regulator valve (29), after the anti-freezing solution exported with concentrated solution regulation valve (30) mixes, concentration increases, flow into from the circulation solution import of closed type heat source tower (1) again, anti-freezing solution is sprinkled upon closed type heat source tower (1) internal heat pipeline outer surface by cloth and forms liquid film whereabouts, the surrounding air come in from external world's suction with closed type heat source tower (1) directly contacts, liquid film absorbs the sensible heat in air and water vapour, in liquid film internally heat exchange pipeline, organic solution releases heat simultaneously, its temperature is made to raise;An other road enters the low-temperature liquid pipe of solidifying water-to-water heat exchanger (8);
After anti-freezing solution absorbs the condensed water institute liberated heat in the high-temp liquid pipeline of solidifying water-to-water heat exchanger (8) in the low-temperature liquid pipe of solidifying water-to-water heat exchanger (8), temperature raises, flow into the low-temperature liquid pipe of solution heat exchanger (9) again, and after the heat of the anti-freezing solution release in the high-temp liquid pipeline of absorbent solution heat exchanger (9) wherein, temperature raises further, enters degassing room (10) after being then depressured to degassing chamber pressure by weak solution regulation valve (37);
The solution condensation latent heat that in absorption condensation pipeline, water vapour discharges in degassing room (10), temperature is increased to boiling temperature corresponding under degassing room (10) pressure, portion of water explosive evaporation in solution, the incoagulable gas simultaneously contained in solution escapes in a large number, solution concentration is slightly increased, and incoagulable gas content is greatly reduced;
The water vapour being mixed with incoagulable gas exits into condensation for degasification room (13) from degassing room (10) top, water vapour transfers heat to the organic solution in the low-temperature liquid pipe of condensation for degasification room (13) in condensation for degasification room (13), become condensed water, partial pressure of water vapor in condensation for degasification room (13) reduces simultaneously, and incoagulable gas partial pressure raises;
The condensed water produced in condensation for degasification room (13) mixes with the condensed water flowed out from condensation chamber drain regulating valve (34) through condensation for degasification room drain regulating valve (33) after condensation-water drain flows out;
nullSolution after degassing flows into the second solution booster pump (17) after degassing room (10) is flowed out,Pressure is divided into two-way after increasing,The first via enters quadruple effect Heat Room (3) from the top solution inlet port of quadruple effect Heat Room (3) after supplying water regulating valve (36) by quadruple effect,Second tunnel connects the low-temperature liquid pipe of First Heat Exchanger (11),Absorb the condensation latent heat of water vapour release in the condensation pipe of First Heat Exchanger (11),Temperature raises,It is divided into two-way afterwards,Triple effect of wherein leading up to enters triple effect Heat Room (4) for water regulating valve (46) from top solution inlet port,Second tunnel connects the low-temperature liquid pipe of the second heat exchanger (12),Absorb the condensation latent heat of water vapour release in the condensation pipe of the second heat exchanger (12),Temperature raises,It is divided into two-way afterwards,Second effect of wherein leading up to enters the second effect Heat Room (5) for water regulating valve (48) from top solution inlet port,First effect of additionally leading up to enters the first effect Heat Room (6) for water regulating valve (49) from top solution inlet port;
The solution flowing into the first effect Heat Room (6) forms liquid film on heating pipeline external surface, the hot water heating that liquid film is heated in pipeline is to explosive evaporation after boiling point corresponding under the first effect Heat Room (6) pressure, absorb simultaneously and add the heat of hot water release in hot channel, solution concentration after moisture evaporation increases, accumulate in the bottom of the first effect Heat Room (6), under differential pressure action, flow into the second effect Heat Room (5) from bottom solution outlet by the first effect taphole regulation valve (44), and produce flash distillation in the second effect Heat Room;
The most of water vapor produced in first effect Heat Room (6) flows into the condensation pipe of the second effect Heat Room (5) from main steam header way outlet, condensed water is become after liquid film release condensation latent heat on condensation pipe outer surface, then flow out from the second effect drain regulating valve (40), fraction water vapour in first effect Heat Room (6) flows into the condensation pipe of the second heat exchanger (12) from steam by-pass outlet, condensed water is become after anti-freezing solution release condensation latent heat in the low-temperature liquid pipe of the second heat exchanger (12), then flow out from the first effect bypass drain regulating valve (47), mix with the condensed water flowed out from condenser drain regulating valve (34);
The solution flowing into the second effect Heat Room (5) forms liquid film on condensation pipe outer surface, the steam heating that liquid film is condensed in pipeline is to explosive evaporation after boiling point corresponding under the second effect Heat Room (5) pressure, the heat of water vapour release in absorption condensation pipeline simultaneously, solution concentration after moisture evaporation increases, accumulate in the bottom of the second effect Heat Room (5), under differential pressure action, flow into triple effect Heat Room (4) from bottom solution outlet by the second effect taphole regulation valve (40), and in triple effect Heat Room (4), produce flash distillation;The most of water vapor produced in second effect Heat Room (5) flows into the condensation pipe of triple effect Heat Room (4) from main steam header way outlet, condensed water is become after liquid film release condensation latent heat on condensation pipe outer surface, then flow out from triple effect drain regulating valve (38), the fraction water vapour in the second effect Heat Room (5) from steam by-pass outlet flow into First Heat Exchanger ( 11) condensation pipe, condensed water is become after the anti-freezing solution of low-temperature liquid pipe discharges condensation latent heat, then flow out from the second effect bypass drain regulating valve (45), mix with the condensed water flowed out from condenser drain regulating valve (34);
The solution flowing into triple effect Heat Room (4) forms liquid film on condensation pipe outer surface, the steam heating that liquid film is condensed in pipeline is to explosive evaporation after boiling point corresponding under triple effect Heat Room (4) pressure, the heat of water vapour release in absorption condensation pipeline simultaneously, solution concentration after moisture evaporation increases, accumulate in the bottom of triple effect Heat Room (4), under differential pressure action, flow into quadruple effect Heat Room (3) from bottom solution outlet by triple effect taphole regulation valve (38), and in quadruple effect Heat Room (3), produce flash distillation;Most of water vapor in triple effect Heat Room (4) flows into the condensation pipe of quadruple effect Heat Room (3) from main steam header way outlet, condensed water is become after liquid film release condensation latent heat on condensation pipe outer surface, then flow out from quadruple effect drain regulating valve (39), fraction water vapour in triple effect Heat Room (4) flows into the condensation pipe of degassing room (10) from steam by-pass outlet, condensed water is become after the anti-freezing solution release condensation latent heat entering degassing room (10), then flow out from triple effect bypass drain regulating valve (42), mix with the condensed water flowed out from condenser drain regulating valve (34);
nullThe solution flowing into quadruple effect Heat Room (3) forms liquid film on condensation pipe outer surface,The steam heating that liquid film is condensed in pipeline is to explosive evaporation after boiling point corresponding under quadruple effect Heat Room (3) pressure,The heat of water vapour release in absorption condensation pipeline simultaneously,Solution concentration after moisture evaporation increases,Accumulate in the bottom of quadruple effect Heat Room (3),Solution enters the first solution booster pump (16) by quadruple effect taphole regulation valve (35) after bottom solution outlet is flowed out,The high-temp liquid pipeline of solution heat exchanger (9) is entered after being pressurized,After anti-freezing solution release heat in the low-temperature liquid pipe of solution heat exchanger (9),Mixed with the solution exported from bypass regulator valve (29) by concentrated solution regulation valve (30) again,Solution concentration reduces,But it is bigger than exporting, from the circulation solution of closed type heat source tower (1), the solution concentration flowed out;Water vapour in quadruple effect Heat Room (3) flows into the condensation pipe of condenser (2) from main steam header way outlet, become condensed water after organic solution release condensation latent heat in the low-temperature liquid pipe of condenser (2), then flow out from condenser drain regulating valve (34);
Respectively from quadruple effect drain regulating valve (39), triple effect drain regulating valve (41), second effect drain regulating valve (45), first effect bypass drain regulating valve (47), second effect bypass drain regulating valve (43), the condensed water that triple effect bypass drain regulating valve (42) flows out is after condenser drain regulating valve (34) outlet mixing, after being pressurizeed by condensate pump (15), flow into the high-temp liquid pipeline of solidifying water-to-water heat exchanger (8), after transferring heat to the anti-freezing solution in the low-temperature liquid pipe of solidifying water-to-water heat exchanger (8), temperature reduces, then the external world is drained into;
The water outlet of source pump (7) is divided into two-way, lead up to for water regulating valve (52) to outside heat-exchange system hot-water supply, what the hot water regulating valve of the first effect (50) of separately leading up to entered quadruple effect Heat Room (3) adds hot channel, after liquid film heat release outside pipeline, temperature reduces, then source pump (7) is flowed into after being mixed by the hot water backwater of time water regulating valve (51) from water inlet, the heat that condenser in sorption type heat pump unit (7) provides, temperature raises, flow out from outlet again, so circulate.
6. the using method of the heat source tower heat pump system regenerated according to a kind of multiple-effect described in claim 4 or 5, it is characterized in that: described condensation for degasification room (13), degassing room (10), first effect Heat Room (6), second effect Heat Room (5), triple effect Heat Room (4), the vacuum of quadruple effect Heat Room (3) is by vacuum pump (19) and condensation for degasification chamber pressure switch (24), degassing chamber pressure switch (25), first effect Heat Room pressure switch (23), second effect Heat Room pressure switch (22), triple effect Heat Room pressure switch (21) and quadruple effect Heat Room pressure switch (20) control after cooperating.
The using method of the heat source tower heat pump system of a kind of multiple-effect the most according to claim 6 regeneration, it is characterized in that: when the vacuum of condensation for degasification room (13) is relatively low, condensation for degasification chamber pressure switch (24) is opened, vacuum pump (19) extracts incoagulable gas out from the gas outlet of condensation for degasification room (13), discharge after being pressurized to normal pressure, otherwise, when the vacuum of condensation for degasification room (13) is higher, condensation for degasification chamber pressure switch (24) is closed;
When the vacuum of the room (10) that deaerates is relatively low, degassing chamber pressure switch (25) is opened, vacuum pump extracts water vapour out from the gas outlet of degassing room (10), discharge after being pressurized to normal pressure, otherwise, when the vacuum of the room (10) that deaerates is higher, degassing chamber pressure switch (25) is closed;
The vacuum keeping method of remaining first effect Heat Room, the second effect Heat Room, triple effect Heat Room and quadruple effect Heat Room is similar to degassing room.
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