CN101949610B - Heat-moisture treatment device driven by urban heat supply network - Google Patents
Heat-moisture treatment device driven by urban heat supply network Download PDFInfo
- Publication number
- CN101949610B CN101949610B CN2010102656163A CN201010265616A CN101949610B CN 101949610 B CN101949610 B CN 101949610B CN 2010102656163 A CN2010102656163 A CN 2010102656163A CN 201010265616 A CN201010265616 A CN 201010265616A CN 101949610 B CN101949610 B CN 101949610B
- Authority
- CN
- China
- Prior art keywords
- pressure generator
- solution
- low pressure
- heat
- heat exchanger
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The invention discloses a heat-moisture treatment device driven by an urban heat supply network, which belongs to the technical field of heat-moisture treatment devices. The heat-moisture treatment device comprises an absorption set, a dehumidification set and connecting pipes, wherein the high-temperature water supply of the urban heat supply network is used as the driving heat sources of the absorption set and the dehumidification set so as to realize the energy-level use and graded use of hot water of the heat supply network, the absorption set is used for realizing thermal load processing, and the dehumidification set is used for realizing moisture load processing; and the absorption set comprises a high voltage generator, a low voltage generator, a condenser, an absorber, an evaporator, a plurality of solution heat exchangers, a solution pump, connecting pipelines and accessories. The invention has the greatest advantages of improving the energy utilization and economy of a thermal power plant in summer, reducing the electrical load for refrigeration in summer, alleviating the pressure on peak load regulation so as to help to ensure the normal power demands of the residents in summer, realizing the graded use of thermal energies, and improving the annual utilization rate and comprehensive energy utilization rate of the heat supply network so as to facilitate energy conservation and emission reduction.
Description
Technical field
The invention belongs to hot wet treater technical field, the hot wet treater that particularly a kind of municipal heating systems drives.Be specifically related to a kind of hot wet treater that can make the water supply of municipal heating systems high temperature realize the cascade utilization of energy, can effectively improve the comprehensive utilization of energy rate of hot wet treater and the economy of hot wet method treatment system.
Background technology
Along with the Rapid Expansion of economic development and city size, the refrigeration peak of power consumption under sweltering heat in the summer weather brings big difficulty for the urban distribution network peak regulation.In hot period in summer, the power cuts to limit consumption phenomenon once appearred in North China, Central China, had had a strong impact on resident's normal life, was unfavorable for building a Harmonious Society.Simultaneously, the energy utilization rate under the pure generating operation mode in the summer of cogeneration units is lower, less economical.How to reduce cooling electric load peak value in summer, improve the energy utilization rate of steam power plant and guarantee that the demand of resident's normal life in summer is the important topic that solution is badly in need of in local government.
Summary of the invention
The purpose of this invention is to provide the hot wet treater that a kind of municipal heating systems drives; It is characterized in that; This hot wet treater comprises absorption unit and dehumidifying unit and connecting line; Utilize the high temperature of municipal heating systems to supply water as the driving heat source of absorption unit with the dehumidifying unit; Make heat supply network hot water realize the energy level cascade utilization, utilize absorption unit realization thermic load to handle and be processed into the lower temperature chilled water to the chilled water of higher temperature, utilize the dehumidifying unit to realize that the humidity load processing is processed into dry air to humid air;
Said absorption unit comprises high pressure generator, low pressure generator, condenser, absorber, evaporimeter, some solution heat exchangers, solution pump and connecting line and annex;
Low pressure generator and condenser are in the cylindrical shell; The two is separated by central dividing plate, in low pressure generator, arranges two heat exchangers: first heat exchanger and second heat exchanger, perhaps; Said low pressure generator is made up of first low pressure generator and second low pressure generator; First low pressure generator, second low pressure generator and condenser are in the cylindrical shell, and the three is separated by two central dividing plates, and condenser is located between first low pressure generator and second low pressure generator; First heat exchanger is set in first low pressure generator, second heat exchanger is set in second low pressure generator; Absorber and evaporimeter are in the cylindrical shell, and the two is separated by central dividing plate; One heat exchanger all is set in high pressure generator, condenser, absorber and evaporimeter;
The high temperature of heat supply network supplies water and gets into the heat exchanger in the high pressure generator as driving heat source earlier, and heat dilute solution remakes second heat exchanger that gets into low pressure generator into driving heat source after the cooling; Heat dilute solution; The absorption unit of discharge after lowering the temperature remakes to driving heat source gets into the dehumidifying unit and is formed in air to the humid air processing, discharges after release heat is lowered the temperature; Perhaps the high temperature of heat supply network supplies water and tells one hot water from high pressure generator driving heat source import department; Get into the import of dehumidifying unit driving heat source as driving heat source, the high temperature of heat supply network supplies water after cooling realizes the energy level cascade utilization step by step, returns heat supply network;
The weak solution of high pressure generator is supplied water by the high temperature of heat supply network and heats; Flash off high pressure, high temperature refrigerant vapour; High pressure, high temperature refrigerant vapour get into the weak solution in the heating low pressure generator in first heat exchanger of low pressure generator again, and the weak solution in the low pressure generator is gone out the low pressure refrigerant vapour by refrigerant vapour and heat supply network hot water heating flash evaporation, and high pressure, high temperature refrigerant vapour are condensed in first heat exchanger after get into condenser after the first pressure regulator valve step-down; Low pressure refrigerant vapour with from low pressure generator is condensed; After the choke valve step-down, after the entering evaporimeter absorption refrigerating hydro-thermal amount, evaporate the saturated refrigerant vapour of low pressure;
The saturated refrigerant vapour of said low pressure entering absorber under differential pressure action is absorbed by the concentrated solution from high pressure generator and low pressure generator, becomes weak solution;
Weak solution in the absorber is delivered to high pressure generator or is delivered to high pressure generator and low pressure generator by solution pump;
Cooling water be introduced into heat exchanger in the absorber by the solution heat temperature raising after, get into heat exchanger in the condenser by the further heat temperature raising of refrigerant vapour, cooling water gets into absorber again after external world's cooling; Perhaps, cooling water is with parallel form flow through respectively heat exchanger and the heat exchanger in the condenser in the absorber, and respectively by solution and refrigerant vapour heat temperature raising, cooling water gets into absorber and condenser respectively with parallel form again after external world's cooling.
Weak solution in said high pressure generator and the low pressure generator is lithium-bromide solution, sodium hydroxide solution or lithium chloride solution, preferred lithium-bromide solution.
The concentrated solution that flows out in the high pressure generator with from the weak solution heat exchange of absorber cooling, and concentrated solution that flows out in the low pressure generator and weak solution heat exchange cooling from absorber get into absorber afterwards respectively; Concentrated solution that perhaps flows out in the high pressure generator and weak solution heat exchange cooling back get into low pressure generator as weak solution, and concentrated solution in low pressure generator behind absorption refrigerant vapour and the heat supply network hot water heat and weak solution heat exchange cooling back get into absorber.
The chilled water of higher temperature gets into the heat exchanger in the evaporimeter, sees off after being cooled into cryogenic freezing water, is got into the evaporimeter release heat again by the chilled water behind the extraneous heat temperature raising.
In order to improve the heat exchange property of heat exchanger in the evaporimeter, adopt cryogenic fluid pump to carry out circulated sprinkling to unevaporated cryogen liquid.
When said low pressure generator is made up of first low pressure generator and second low pressure generator; The flow process of refrigerant vapour, weak solution and concentrated solution is following: the weak solution of absorber was the effect of solution pump following minute three tunnel; First via weak solution first control valve of flowing through successively; Get into first solution heat exchanger by concentrated solution heat temperature raising, get into high pressure generator again, become concentrated solution by the heating of heat supply network hot water from high pressure generator; The second tunnel weak solution is flowed through second control valve, entering second solution heat exchanger successively by the concentrated solution heat temperature raising from first low pressure generator, gets into first low pressure generator again by high pressure, the heating of high temperature refrigerant vapour, becomes concentrated solution; Third Road weak solution the 3rd control valve of flowing through successively gets into the 3rd solution heat exchanger by the concentrated solution heat temperature raising from second low pressure generator, gets into second low pressure generator again by the heating of supplying water of the high temperature of heat supply network, becomes concentrated solution.
The concentrated solution that flows out in first low pressure generator is cooled by weak solution at second solution heat exchanger earlier; The concentrated solution that flows out in second low pressure generator is cooled by weak solution at the 3rd solution heat exchanger; The concentrated solution that flows out in the high pressure generator is introduced into first solution heat exchanger by after the weak solution cooling; Again after the second pressure regulator valve step-down, again with first low pressure generator and second low pressure generator in concentrated solution after solution heat exchanger heat exchange cooling converge, the concentrated solution after converging gets into absorber again; The limit water-cooled that is cooled is but lowered the temperature; The limit absorbs the saturated refrigerant vapour of flash-pot, becomes weak solution, is transported to high pressure generator, first low pressure generator and second low pressure generator by solution pump again.
When low pressure generator and condenser are in the cylindrical shell, the two is separated by central dividing plate, and in low pressure generator, arrange two heat exchangers: when first heat exchanger and second heat exchanger, the flow process of refrigerant vapour, weak solution and concentrated solution has following two kinds of situation:
First kind: the weak solution of absorber is under the effect of solution pump; Divide two-way to get into high pressure generator and low pressure generator respectively; One tunnel weak solution gets into first solution heat exchanger by after from the heating of the concentrated solution of high pressure generator through first control valve, gets into high pressure generator and becomes concentrated solution after by heat supply network hot water heating flash evaporation; Another road weak solution gets into second solution heat exchanger by the concentrated solution heat temperature raising from low pressure generator through second control valve, gets into low pressure generator again by heat supply network hot water and high pressure cryogen Steam Heating, flashes off refrigerant vapour, becomes concentrated solution;
The concentrated solution that flows out in the low pressure generator is cooled off by weak solution in second solution heat exchanger; The concentrated solution that flows out in the high pressure generator is cooled off by weak solution in first solution heat exchanger; After the second pressure regulator valve step-down; After converging from the concentrated solution of low pressure generator after the second solution heat exchanger heat exchange is lowered the temperature; Get into absorber, absorb the refrigerant vapour of flash-pot to become weak solution, the weak solution of absorber divides two-way to be delivered to high pressure generator and low pressure generator respectively by solution pump again.
Second kind: the concentrated solution that flows out in the high pressure generator is got into low pressure generator by weak solution cooling back as weak solution in first solution heat exchanger; By heat supply network hot water and high pressure cryogen Steam Heating, flash off refrigerant vapour, become concentrated solution; The concentrated solution that flows out in the low pressure generator is got into absorber by the weak solution back that cools in second solution heat exchanger; Absorb the refrigerant vapour of flash-pot, become weak solution, weak solution is delivered to high pressure generator by the high temperature of heat supply network water supply heating through first control valve, second solution heat exchanger, first solution heat exchanger by solution pump more successively; Flash off high pressure, high temperature refrigerant vapour, become concentrated solution;
The concentrated solution that flows out in the high pressure generator gets into low pressure generator through first solution heat exchanger again.
Beneficial effect of the present invention is: biggest advantage of the present invention has improved summer fever power plant energy utilization rate and economy exactly; Reduce cooling electric load in summer; Alleviate the need for electricity that peak load regulation network pressure helps to guarantee resident's normal life in summer; Simultaneously also realize the thermal energy step utilization, improved the year utilization rate and comprehensive utilization of energy rate of heat supply network, helped energy-saving and emission-reduction.
Description of drawings
Fig. 1 is the hot wet treater sketch map that embodiment 1 said municipal heating systems drives;
Fig. 2 is the hot wet treater sketch map that embodiment 2 said municipal heating systems drive;
Fig. 3 is the hot wet treater sketch map that embodiment 3 said municipal heating systems drive;
Fig. 4 is the hot wet treater sketch map that embodiment 4 said municipal heating systems drive;
Label among the figure:
The absorption unit of 1-; The 2-unit that dehumidifies; The 3-high pressure generator; Heat exchanger in the 4-high pressure generator; The 5-low pressure generator; 51-first low pressure generator; 52-second low pressure generator; The 6-condenser; First heat exchanger in the 8-low pressure generator; Heat exchanger in the 9-condenser; Second heat exchanger in the 10-low pressure generator; The 11-absorber; The 12-evaporimeter; Heat exchanger in the 13-absorber; Heat exchanger in the 14-evaporimeter; 15-first solution heat exchanger; 16-second solution heat exchanger; 17-the 3rd solution heat exchanger; The 18-solution pump; The 19-cryogenic fluid pump; 20-first pressure regulator valve; The 21-choke valve; 22-first control valve; 23-second control valve; 24-the 3rd control valve; 25-second pressure regulator valve;
The driving heat source outlet of the driving heat source import of 2a-dehumidifying unit, 2b-dehumidifying unit; The 2c-humid air; The 2d-dry air;
3a-high pressure generator dilute solution inlet; The outlet of 3b-high pressure generator concentrated solution; The refrigerant vapour outlet of 3c-high pressure generator;
The thermal source import of heat exchanger in the 4a-high pressure generator; The thermal source of heat exchanger outlet in the 4b-high pressure generator;
The 5a-low pressure generator or the first low pressure generator dilute solution inlet; 5b-low pressure generator or the outlet of the first low pressure generator concentrated solution; The 5c-second low pressure generator dilute solution inlet; The outlet of the 5d-second low pressure generator concentrated solution;
The high pressure of 6a-condenser, the import of high temperature cryogen liquid; The saturated solution outlet of 6b-condenser;
The first heat exchanger thermal source import in the 8a-low pressure generator; First heat exchanger thermal source outlet in the 8b-low pressure generator;
The cooling water inlet of heat exchanger in the 9a-condenser; The coolant outlet of heat exchanger in the 9b-condenser;
The second heat exchanger thermal source import in the 10a-low pressure generator; Second heat exchanger thermal source outlet in the 10b-low pressure generator;
The import of 11a-absorber concentrated solution; The outlet of 11b-absorber weak solution;
The cryogen liquid import of 12a-evaporimeter; The cryogen liquid outlet of 12b-evaporimeter;
Heat exchanger cooling water inlet in the 13a-absorber; Heat exchanger coolant outlet in the 13b-absorber;
The chilled water import of heat exchanger in the 14a-evaporimeter; The chilled water outlet of heat exchanger in the 14b-evaporimeter;
The weak solution inlet of 15a-first solution heat exchanger; The weak solution outlet of 15b-first solution heat exchanger;
The concentrated solution inlet of 15c-first solution heat exchanger; The concentrated solution outlet of 15d-first solution heat exchanger;
The weak solution inlet of 16a-second solution heat exchanger; The weak solution outlet of 16b-second solution heat exchanger;
The concentrated solution inlet of 16c-second solution heat exchanger; The concentrated solution outlet of 16d-second solution heat exchanger;
The weak solution inlet of 17a-the 3rd solution heat exchanger; The weak solution outlet of 17b-the 3rd solution heat exchanger;
The concentrated solution inlet of 17c-the 3rd solution heat exchanger; The concentrated solution outlet of 17d-the 3rd solution heat exchanger.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is described further:
Said absorption unit comprises high pressure generator 3, low pressure generator 5, condenser 6, absorber 11, evaporimeter 12, some solution heat exchangers, solution pump 18 and connecting line and annex;
Said low pressure generator 5 is made up of first low pressure generator 51 and second low pressure generator 52; First low pressure generator 51, second low pressure generator 52 and condenser 6 are in the cylindrical shell; The three is separated by two central dividing plates; Condenser 6 is located between first low pressure generator 51 and second low pressure generator 52, and first heat exchanger 8 is set in first low pressure generator 51, and second heat exchanger 10 is set in second low pressure generator 52; Absorber 11 is in the cylindrical shell with evaporimeter 12, and the two is separated by central dividing plate; In high pressure generator 3, condenser 6, absorber 11 and evaporimeter 12, a heat exchanger is set all;
The high temperature water supply that municipal heating systems is 130 ℃ drops to 110 ℃ as the heat exchanger 4 heat dilute solution release heat temperature that driving heat source at first gets into high pressure generator 3; Remake to driving heat source and get into heat dilute solution in second heat exchanger 10 of second low pressure generator 52; Heat release is cooled to 80 ℃ and discharges absorption unit 1; Remake to driving heat source gets into dehumidifier 2 and be processed into dry air 2d to humid air 2c, discharge release heat cooling back, continues heat release and be cooled to 50 ℃ of discharges; The high temperature of heat supply network supplies water after realizing cascaded utilization of energy between absorption unit 1 and the dehumidifier 2, returns heat supply network.
The weak solution of absorber 11 was the effect of solution pump 18 following minute three tunnel; First via weak solution first control valve 22 of flowing through successively; Get into first solution heat exchanger 15 by concentrated solution heat temperature raising, get into high pressure generator 3 again and heated by heat supply network hot water from high pressure generator 3; The second tunnel weak solution flow through successively second control valve 23, get into second solution heat exchanger 16 by concentrated solution heat temperature raising from first low pressure generator 51, get into first low pressure generator 51 by high pressure, the heating of high temperature refrigerant vapour, become concentrated solution; The Third Road weak solution flow through successively the 3rd control valve 24, get into the 3rd solution heat exchanger 17 by concentrated solution heat temperature raising from second low pressure generator 52, get into second low pressure generator 52 again by the heating of supplying water of the high temperature of heat supply network, become concentrated solution.
The weak solution of high pressure generator 3 is supplied water by the high temperature of heat supply network and heats; Flash off high pressure, high temperature refrigerant vapour, the HTHP refrigerant vapour gets in first heat exchanger 8 of first low pressure generator 51 as the thermal source heat dilute solution, flashes off the low pressure refrigerant vapour; The high pressure refrigerant vapour in first heat exchanger 8 condensation after 20 step-downs of first pressure regulator valve get into condenser 6; Refrigerant vapour with from first low pressure generator 51 and second low pressure generator 52 is condensed into liquid, and cryogen liquid gets into evaporimeter 12 after choke valve 21 step-downs, after the absorption refrigerating hydro-thermal amount; Evaporate low temperature, low-pressure saturated steam; Low temperature, low-pressure saturated steam entering absorber 11 under the effect of pressure reduction is crossed cold concentrated solution and is absorbed, and becomes low temperature, low pressure weak solution; Above-mentioned for another example flow process is delivered to high pressure generator 3, first low pressure generator 51 and second low pressure generator 52 by solution pump 18, so circulation.
The concentrated solution that flows out in first low pressure generator 51 is cooled by weak solution at second solution heat exchanger 16 earlier; The concentrated solution that flows out in second low pressure generator 52 is cooled by weak solution at the 3rd solution heat exchanger 17; The concentrated solution that flows out in the high pressure generator 3 be introduced into first solution heat exchanger 15 by the weak solution cooling after, through 25 step-downs of second pressure regulator valve after, converge with low pressure generator 51 and the concentrated solution of second low pressure generator 52 after the solution heat exchanger heat exchange is lowered the temperature again again; Concentrated solution after converging gets into absorber 11 again; The limit water-cooled that is cooled is but lowered the temperature, and the limit absorbs the saturated refrigerant vapour of flash-pot, becomes weak solution; Be transported to each generator by solution pump again, so circulation.
For the heat exchange property of the heat exchanger 14 that improves evaporimeter 12, adopt cryogenic fluid pump 19 to carry out circulated sprinkling to unevaporated cryogen liquid, strengthen cryogen liquid spray flux, improve heat exchange property, the increase effective heat exchange area.
Cooling water be introduced into heat exchanger 13 in the absorber 11 by the solution heat temperature raising after; Get into the heat exchanger 9 in the condenser 6; By the refrigerant vapour heat temperature raising, cooling water gets into absorber 11 again after external world's cooling once more, and so circulation is constantly discharged the heat of absorber 11 and condenser 6.
The chilled water backwater of higher temperature gets into evaporimeter and is cooled the cooling back to cryogenic freezing water is provided, and is got into the evaporimeter release heat again by the chilled water behind the extraneous heat temperature raising, so circulation.
Except above-mentioned difference, other is identical with embodiment 1, and the hot wet treater sketch map that the said municipal heating systems of present embodiment drives is as shown in Figure 2.
Said absorption unit comprises high pressure generator 3, low pressure generator 5, condenser 6, absorber 11, evaporimeter 12, some solution heat exchangers, solution pump 18 and connecting line and annex;
The high temperature that heat supply network is 130 ℃ supplies water and gets into the heat exchanger 4 in the high pressure generator 3 as driving heat source earlier; Heat dilute solution and release heat is cooled to 110 ℃ remakes second heat exchanger 10 that gets into low pressure generator 5 into driving heat source, the heat dilute solution release heat; After being cooled to 80 ℃; Discharge absorption unit 1, remake to driving heat source gets into dehumidifier 2 and be processed into dry air 2d to humid air 2c, release heat is cooled to 50 ℃ of discharges; The high temperature of heat supply network supplies water after realizing cascaded utilization of energy between absorption unit and the dehumidifier, returns heat supply network.
The weak solution of high pressure generator 3 is supplied water by the high temperature heat supply network and heats; Flash off high pressure, high temperature refrigerant vapour, high pressure, high temperature refrigerant vapour get in the heat exchanger 8 of low pressure generator 5 weak solution in the further heating low pressure generator 5 again, in like manner also flash off the low pressure refrigerant vapour; High pressure, high temperature refrigerant vapour are condensed in heat exchanger 8 after get into condenser 6 after 20 step-downs of first pressure regulator valve; Low pressure refrigerant vapour with low pressure generator 5 is condensed, after choke valve 21 step-downs, after the entering evaporimeter 12 absorption refrigerating hydro-thermal amounts; Become low-pressure saturated steam; These low pressure refrigerant vapours entering absorber 11 under differential pressure action is absorbed by the concentrated solution from generator, is delivered to each generator by solution pump again, so circulation after becoming weak solution.
The weak solution of absorber 11 is under the effect of solution pump 18; Divide two-way to get into high pressure generator 3 and low pressure generator 5 respectively; One tunnel weak solution through first control valve 22 get into first solution heat exchanger 15 by concentrated solution heating from high pressure generator 3 after, get into high pressure generator 3 and become concentrated solution after by heat supply network hot water heating flash evaporation; In like manner; Another road weak solution through second control valve 23, get into second solution heat exchanger 16 by concentrated solution heat temperature raising from low pressure generator 5; Get into low pressure generator 5 again by heat supply network hot water and high pressure cryogen Steam Heating, flash off refrigerant vapour, become concentrated solution.
The concentrated solution that flows out in the low pressure generator 5 is cooled off by weak solution in second solution heat exchanger 16; The concentrated solution that flows out in the high pressure generator 3 is cooled off by weak solution in first solution heat exchanger 15; After 25 step-downs of second pressure regulator valve; After converging from the concentrated solution of low pressure generator 5 after 16 heat exchange of second solution heat exchanger are lowered the temperature, get into absorber 11, absorb the refrigerant vapour of flash-pot 12 to become weak solution; The weak solution of absorber 11 is delivered to high pressure generator 3 and low pressure generator 5 respectively by 18 fens two-way of solution pump again, so forms circulation.
For the heat exchange property of the heat exchanger 14 that improves evaporimeter 12, adopt cryogenic fluid pump 19 to carry out circulated sprinkling to unevaporated cryogen liquid, strengthen cryogen liquid spray flux, improve heat exchange property, the increase effective heat exchange area.
Cooling water be introduced into heat exchanger 13 in the absorber 11 by the solution heat temperature raising after, get into heat exchanger 9 in the condenser 6 by the further heat temperature raising of refrigerant vapour, cooling water gets into absorber 11 again after external world's cooling, so circulation.
See off after being cooled into cryogenic freezing water behind the heat exchanger 14 in the chilled water entering evaporimeter 12 of higher temperature, got into evaporimeter 12 release heat again, so circulate by the chilled water after the extraneous heating.
Instance 4, as shown in Figure 4.Municipal heating systems drives hot wet treater and comprises absorption unit 1 and dehumidifier 2; Utilize the high temperature of municipal heating systems to supply water as the driving heat source of absorption unit with the dehumidifying unit; Make heat supply network hot water realize the energy level cascade utilization; Utilize absorption unit to realize that the thermic load processing is processed into the lower temperature chilled water to the chilled water of higher temperature, utilize dehumidifying unit realization humidity load to handle and be processed into dry air to humid air.
Said absorption unit comprises high pressure generator 3, low pressure generator 5, condenser 6, absorber 11, evaporimeter 12, some solution heat exchangers, solution pump 18 and connecting line and annex;
The high temperature that heat supply network is 130 ℃ supplies water and gets into the heat exchanger 4 in the high pressure generator 3 as driving heat source earlier; Heat dilute solution flashes off the high pressure refrigerant vapour; The hot water that is cooled to 110 ℃ remakes second heat exchanger, 10 heat dilute solution that get into low pressure generator 5 into driving heat source, is cooled to 80 ℃ again, and absorption unit 1 is discharged in the cooling back; 80 ℃ of heat supply network hot water that absorption unit 1 is discharged get into dehumidifier 2 as driving heat source and are processed into dry air 2d to humid air 2c; Heat release is cooled to 50 ℃ of discharges again, and the high temperature of heat supply network supplies water after realizing cascaded utilization of energy between absorption unit 1 and the dehumidifier 2, returns heat supply network.
The weak solution of high pressure generator 3 is supplied water by the high temperature of heat supply network and heats, and flashes off high pressure, high temperature refrigerant vapour, and high pressure, high temperature refrigerant vapour get into first heat exchanger, the 8 further heat dilute solution of low pressure generator 5 as driving heat source; In first heat exchanger 8, be condensed; After 20 step-downs of first pressure regulator valve, get into condenser 6 again, be condensed with the refrigerant vapour from low pressure generator 5 flash distillations, cryogen liquid gets into evaporimeter 12 after choke valve 21 step-downs; Be evaporated to the low pressure refrigerant vapour after the absorption refrigerating hydro-thermal amount; The low pressure refrigerant vapour is entering absorber 11 under the driving of pressure reduction between absorber 11 and the evaporimeter 12, is crossed cold concentrated solution and absorbs, and becomes weak solution; Weak solution is delivered to high pressure generator 3 by solution pump 18 again, so circulation.
The concentrated solution that flows out in the high pressure generator 3 is got into low pressure generator 5 by weak solution cooling back as weak solution in first solution heat exchanger 15; By heat supply network hot water and high pressure cryogen Steam Heating; Flash off refrigerant vapour; Become concentrated solution, the concentrated solution that flows out in the low pressure generator 5 is got into absorber 11 by the weak solution back that cools second solution heat exchanger 16 in, and absorption comes the refrigerant vapour of flash-pot 12; Become weak solution; Weak solution is delivered to high pressure generator 3 by the heating of supplying water of the high temperature of heat supply network through first control valve 22, second solution heat exchanger 16, first solution heat exchanger 15 by solution pump 18 more successively, flashes off high pressure, high temperature refrigerant vapour, becomes concentrated solution; The concentrated solution of high pressure generator 3 gets into low pressure generator 5 through first solution heat exchanger 15 again.
For the heat exchange property of the heat exchanger 14 that improves evaporimeter 12, adopt cryogenic fluid pump 19 the unevaporated cryogen liquid pouring amount that circulates, strengthen cryogen liquid spray flux, improve heat exchange property, the increase effective heat exchange area.
Cooling water is introduced into the heat exchanger 13 in the absorber 11; Behind the solution heat temperature raising, get into the heat exchanger 9 in the condenser 6, continued heat temperature raising by refrigerant vapour; The cooling water of higher temperature gets into absorber 11, condenser 6 more successively after external world's cooling, so circulation.
The chilled water of higher temperature gets into the heat exchanger 14 in the evaporimeter 12, and discharge the cooling back that is cooled, and gets into evaporimeter 12 cooling that is cooled after cryogenic freezing water is heated up by external world's heating heat absorption again, so circulates.
Claims (9)
1. the hot wet treater that drives of a municipal heating systems; It is characterized in that; This hot wet treater comprises absorption unit (1) and dehumidifying unit (2) and connecting line; Utilize the high temperature of municipal heating systems to supply water as the driving heat source of absorption unit with the dehumidifying unit; Make heat supply network hot water realize the energy level cascade utilization, utilize absorption unit realization thermic load to handle and be processed into the lower temperature chilled water to the chilled water of higher temperature, utilize the dehumidifying unit to realize that the humidity load processing is processed into dry air to humid air;
Said absorption unit comprises high pressure generator (3), low pressure generator (5), condenser (6), absorber (11), evaporimeter (12), some solution heat exchangers, solution pump (18) and connecting line and annex;
Low pressure generator (5) and condenser (6) are in the cylindrical shell; The two is separated by central dividing plate; In low pressure generator (5), arrange two heat exchangers: first heat exchanger (8) and second heat exchanger (10); Perhaps, said low pressure generator (5) is made up of first low pressure generator (51) and second low pressure generator (52), and first low pressure generator (51), second low pressure generator (52) and condenser (6) are in the cylindrical shell; The three is separated by two central dividing plates; Condenser (6) is located between first low pressure generator (51) and second low pressure generator (52), and first heat exchanger (8) is set in first low pressure generator (51), and second heat exchanger (10) is set in second low pressure generator (52); Absorber (11) and evaporimeter (12) are in the cylindrical shell, and the two is separated by central dividing plate; In high pressure generator (3), condenser (6), absorber (11) and evaporimeter (12), a heat exchanger is set all;
The high temperature of heat supply network supplies water and gets into the heat exchanger in the high pressure generator (3) as driving heat source earlier, and heat dilute solution remakes second heat exchanger (10) that gets into low pressure generator (5) into driving heat source after the cooling; Heat dilute solution; Absorption unit (1) is discharged in the cooling back, remakes to driving heat source gets into dehumidifying unit (2) and is processed into dry air to humid air, and discharge release heat cooling back; Perhaps the high temperature of heat supply network supplies water and tells one hot water from high pressure generator (3) driving heat source import department; Get into the driving heat source import of dehumidifying unit (2) as driving heat source, the high temperature of heat supply network supplies water after cooling realizes the energy level cascade utilization step by step, returns heat supply network;
The weak solution of high pressure generator (3) is supplied water by the high temperature of heat supply network and heats; Flash off high pressure, high temperature refrigerant vapour; High pressure, high temperature refrigerant vapour get into the middle weak solution that heats in the low pressure generator (5) of first heat exchanger (8) of low pressure generator (5) again; Weak solution in the low pressure generator (5) is gone out the low pressure refrigerant vapour by refrigerant vapour and heat supply network hot water heating flash evaporation; High pressure, high temperature refrigerant vapour are condensed in first heat exchanger (8) after get into condenser (6) after first pressure regulator valve (20) step-down, are condensed with the low pressure refrigerant vapour from low pressure generator (5), after choke valve (21) step-down; After getting into evaporimeter (12) absorption refrigerating hydro-thermal amount, evaporate the saturated refrigerant vapour of low pressure;
The saturated refrigerant vapour of said low pressure entering absorber (11) under differential pressure action is absorbed by the concentrated solution from high pressure generator (3) and low pressure generator (5), becomes weak solution;
Weak solution in the absorber (11) is delivered to high pressure generator (3) or is delivered to high pressure generator (3) and low pressure generator (5) by solution pump (18);
Cooling water be introduced into heat exchanger in the absorber (11) by the solution heat temperature raising after, get into heat exchanger in the condenser (6) by the further heat temperature raising of refrigerant vapour, cooling water gets into absorber (11) again after external world's cooling; Perhaps; Cooling water is with parallel form flow through respectively heat exchanger and the heat exchanger in the condenser (6) in the absorber (11); By solution and refrigerant vapour heat temperature raising, cooling water gets into absorber (11) and condenser (6) respectively with parallel form again after external world's cooling respectively.
2. the hot wet treater that a kind of municipal heating systems according to claim 1 drives; It is characterized in that; The concentrated solution that flows out in the high pressure generator (3) is lowered the temperature with the weak solution heat exchange from absorber (11); And concentrated solution that flows out in the low pressure generator (5) and weak solution heat exchange cooling from absorber (11), get into absorber (11) afterwards respectively; Perhaps concentrated solution in the high pressure generator (3) and weak solution heat exchange cooling back gets into low pressure generator (5) as weak solution, and concentrated solution in low pressure generator (5) behind absorption refrigerant vapour and the heat supply network hot water heat and weak solution heat exchange cooling back get into absorber (11).
3. the hot wet treater that a kind of municipal heating systems according to claim 1 drives; It is characterized in that; The chilled water of higher temperature gets into the heat exchanger in the evaporimeter (12), sees off after being cooled into cryogenic freezing water, is got into evaporimeter (12) release heat again by the chilled water behind the extraneous heat temperature raising.
4. the hot wet treater that a kind of municipal heating systems according to claim 1 drives is characterized in that, in order to improve the heat exchange property of heat exchanger in the evaporimeter (12), adopts cryogenic fluid pump (19) to carry out circulated sprinkling to unevaporated cryogen liquid.
5. the hot wet treater that a kind of municipal heating systems according to claim 1 drives; It is characterized in that; Said low pressure generator (5) is by first low pressure generator (51) and second low pressure generator (52) when forming; The weak solution of absorber (11) is the effect of solution pump (18) following minute three tunnel, and first via weak solution first control valve (22) of flowing through successively gets into first solution heat exchanger (15) by the concentrated solution heat temperature raising from high pressure generator (3); Get into high pressure generator (3) again by the heating of heat supply network hot water, become concentrated solution; The second tunnel weak solution is flowed through second control valve (23), entering second solution heat exchanger (16) successively by the concentrated solution heat temperature raising from first low pressure generator (51); Get into first low pressure generator (51) again by high pressure, the heating of high temperature refrigerant vapour, become concentrated solution; Third Road weak solution the 3rd control valve (24) of flowing through successively gets into the 3rd solution heat exchanger (17) by the concentrated solution heat temperature raising from second low pressure generator (52), gets into second low pressure generator (52) again by the heating of supplying water of the high temperature of heat supply network, becomes concentrated solution;
The concentrated solution of first low pressure generator (51) is cooled by weak solution at second solution heat exchanger (16) earlier; The concentrated solution of second low pressure generator (52) is cooled by weak solution at the 3rd solution heat exchanger (17); The concentrated solution of high pressure generator (3) is introduced into first solution heat exchanger (15) by after the weak solution cooling; Again after second pressure regulator valve (25) step-down; Again with first low pressure generator (51) and second low pressure generator (52) in concentrated solution after solution heat exchanger heat exchange cooling converge; Concentrated solution after converging gets into absorber (11) again, and the limit water-cooled that is cooled is but lowered the temperature, and the limit absorbs the saturated refrigerant vapour of flash-pot (12); Become weak solution, be transported to high pressure generator (3), first low pressure generator (51) and second low pressure generator (52) by solution pump (18) again.
6. the hot wet treater that a kind of municipal heating systems according to claim 1 drives; It is characterized in that; In low pressure generator (5), arrange two heat exchangers: when first heat exchanger (8) and second heat exchanger (10); The weak solution of absorber (11) is under the effect of solution pump (18); Divide two-way to get into high pressure generator (3) and low pressure generator (5) respectively, one tunnel weak solution is after first control valve (22) gets into first solution heat exchanger (15) and heated by the concentrated solution from high pressure generator (3), and entering high pressure generator (3) becomes concentrated solution after by heat supply network hot water heating flash evaporation; Another road weak solution gets into second solution heat exchanger (16) by the concentrated solution heat temperature raising from low pressure generator (5) through second control valve (23); Get into low pressure generator (5) again by heat supply network hot water and high pressure cryogen Steam Heating; Flash off refrigerant vapour, become concentrated solution;
The concentrated solution of low pressure generator (5) is cooled off by weak solution in second solution heat exchanger (16); The concentrated solution of high pressure generator (3) is cooled off by weak solution in first solution heat exchanger (15); After second pressure regulator valve (25) step-down; After converging from the concentrated solution of low pressure generator (5) after second solution heat exchanger (16) heat exchange is lowered the temperature; Get into absorber (11), absorb the refrigerant vapour of flash-pot (12) to become weak solution, the weak solution of absorber (11) divides two-way to be delivered to high pressure generator (3) and low pressure generator (5) respectively by solution pump (18) again.
7. the hot wet treater that a kind of municipal heating systems according to claim 1 drives; It is characterized in that; In low pressure generator (5), arrange two heat exchangers: when first heat exchanger (8) and second heat exchanger (10), the concentrated solution in the high pressure generator (3) is got into low pressure generator (5) by weak solution cooling back as weak solution in first solution heat exchanger (15), by heat supply network hot water and high pressure cryogen Steam Heating; Flash off refrigerant vapour; Become concentrated solution, the concentrated solution of low pressure generator (5) is got into absorber (11) by the weak solution back that cools in second solution heat exchanger (16), absorb the refrigerant vapour of flash-pot (12); Become weak solution; Weak solution is delivered to high pressure generator (3) by the high temperature of heat supply network water supply heating through first control valve (22), second solution heat exchanger (16), first solution heat exchanger (15) by solution pump (18) more successively, flashes off high pressure, high temperature refrigerant vapour, becomes concentrated solution;
The concentrated solution of high pressure generator (3) gets into low pressure generator (5) through first solution heat exchanger (15) again.
8. the hot wet treater that a kind of municipal heating systems according to claim 1 drives is characterized in that the weak solution in said high pressure generator and the low pressure generator is lithium-bromide solution, sodium hydroxide solution or lithium chloride solution.
9. the hot wet treater that drives according to the described a kind of municipal heating systems of any claim of claim 1 to 8 is characterized in that the weak solution in high pressure generator and the low pressure generator adopts lithium-bromide solution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102656163A CN101949610B (en) | 2010-08-27 | 2010-08-27 | Heat-moisture treatment device driven by urban heat supply network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102656163A CN101949610B (en) | 2010-08-27 | 2010-08-27 | Heat-moisture treatment device driven by urban heat supply network |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101949610A CN101949610A (en) | 2011-01-19 |
| CN101949610B true CN101949610B (en) | 2012-09-05 |
Family
ID=43453194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102656163A Expired - Fee Related CN101949610B (en) | 2010-08-27 | 2010-08-27 | Heat-moisture treatment device driven by urban heat supply network |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101949610B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103471284B (en) * | 2013-09-18 | 2015-07-08 | 浙江大学 | Absorbing type heat and moisture waste gas energy recovery system |
| CN107843024A (en) * | 2017-12-05 | 2018-03-27 | 中国华电科工集团有限公司 | Fume hot-water plate changes integrated fume hot water lithium bromide chiller and its control method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1223814C (en) * | 2002-12-09 | 2005-10-19 | 清华大学 | Combined circulating system with heat and cool absorbing machine and solution dehumidifying air conditioner |
| CN201218628Y (en) * | 2008-05-19 | 2009-04-08 | 张茂勇 | Cold-hot bidirectional and simultaneous utilizing dual- effect type third-kind absorption heat pump |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62297647A (en) * | 1986-06-18 | 1987-12-24 | Ohbayashigumi Ltd | Dehumidification system of building |
-
2010
- 2010-08-27 CN CN2010102656163A patent/CN101949610B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1223814C (en) * | 2002-12-09 | 2005-10-19 | 清华大学 | Combined circulating system with heat and cool absorbing machine and solution dehumidifying air conditioner |
| CN201218628Y (en) * | 2008-05-19 | 2009-04-08 | 张茂勇 | Cold-hot bidirectional and simultaneous utilizing dual- effect type third-kind absorption heat pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101949610A (en) | 2011-01-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101240925B (en) | Solar energy absorption type liquid dehumidifying air-conditioning system | |
| CN201764752U (en) | Hot and cold water supplying system by coupling solar air conditioner and ground-source heat pump | |
| CN100334408C (en) | Solar energy accumulation type equipment of water chilling unit set, and refrigeration method of evaporation and refrigeration | |
| WO2019061689A1 (en) | Cross-season cold and heat storage system | |
| CN106403353A (en) | High-heat-density computer room comprehensive heat dissipation system utilizing CPU waste heat | |
| CN103673381B (en) | Novel full-year heat recovery air-cooled heat pump unit | |
| CN102080898A (en) | Lithium bromide absorbing evaporative condensing water chilling unit | |
| CN203159268U (en) | solar air conditioning seawater desalination system | |
| CN201016499Y (en) | Solar energy stepping utilization type air-conditioning system | |
| CN101949610B (en) | Heat-moisture treatment device driven by urban heat supply network | |
| US20210222938A1 (en) | Heat-source-tower heat pump system combined with ice maker | |
| CN106989540B (en) | Dual-machine heat source tower heat pump system with solution regeneration function and solution regeneration method | |
| CN206160547U (en) | Utilize high heat density computer lab of CPU waste heat to synthesize cooling system | |
| CN202869082U (en) | Solar energy heat pump-photoelectricity combined building energy-saving system | |
| CN209877408U (en) | Energy tower heat pump system with energy storage and solution regeneration functions | |
| CN102410675B (en) | Over-cooling device and over-cooling method for evaporative condensation type refrigeration system | |
| CN201973952U (en) | Lithium bromide absorption evaporative condensation water chiller | |
| CN201397243Y (en) | Experiment device of solar energy jetting type air-conditioning system | |
| CN105258379A (en) | Heat pump solar evaporative condensation air conditioning unit | |
| CN105439224A (en) | Pressurized steam type capillary drive sea water desalination system | |
| CN205843121U (en) | A kind of low-temperature water heating big temperature difference type lithium bromide absorption refrigerating set | |
| CN106931678A (en) | Steam type first-class lithium bromide absorption type heat pump unit with refrigerating function | |
| CN211233436U (en) | Two-section lithium bromide absorption heat pump unit capable of achieving double-effect refrigeration | |
| CN211177494U (en) | Single-effect heating and double-effect refrigerating two-section type lithium bromide absorption heat pump unit | |
| CN206787109U (en) | A kind of air-cooled solar absorption refrigerating machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120905 Termination date: 20140827 |
|
| EXPY | Termination of patent right or utility model |