CN203628595U - Dual-function heat pump type solar industrial boiler system - Google Patents

Dual-function heat pump type solar industrial boiler system Download PDF

Info

Publication number
CN203628595U
CN203628595U CN201320651414.1U CN201320651414U CN203628595U CN 203628595 U CN203628595 U CN 203628595U CN 201320651414 U CN201320651414 U CN 201320651414U CN 203628595 U CN203628595 U CN 203628595U
Authority
CN
China
Prior art keywords
heat pump
solar
heat
water tank
inlet
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.)
Withdrawn - After Issue
Application number
CN201320651414.1U
Other languages
Chinese (zh)
Inventor
肖刚
倪明江
骆仲泱
高翔
岑可法
方梦祥
周劲松
施正伦
程乐鸣
王勤辉
王树荣
余春江
王涛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang University ZJU
Original Assignee
Zhejiang University ZJU
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhejiang University ZJU filed Critical Zhejiang University ZJU
Priority to CN201320651414.1U priority Critical patent/CN203628595U/en
Application granted granted Critical
Publication of CN203628595U publication Critical patent/CN203628595U/en
Anticipated expiration legal-status Critical
Withdrawn - After Issue legal-status Critical Current

Links

Images

Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/40—Solar thermal energy, e.g. solar towers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P80/00—Climate change mitigation technologies for sector-wide applications
    • Y02P80/20—Climate change mitigation technologies for sector-wide applications using renewable energy

Abstract

The utility model discloses a dual-function heat pump type solar industrial boiler system. A water supplement pump is connected with an inlet of a softened water tank. A first outlet of the softened water tank, a water feed pump, a high pressure steam generator, a first inlet of a primary ejector and a first inlet of a secondary ejector are connected in sequence. A second outlet of the softened water tank, a throttling valve, a condensing type evaporator, a first inlet of a heat accumulation water tank, a first magnetic valve, a solar thermal collector, a second magnetic valve, an inlet of a solar still and a second inlet of the secondary ejector are connected in sequence. A condensed water outlet of the solar still is connected with a second inlet of the heat accumulation water tank through a third magnetic valve. A first outlet of the secondary ejector is connected with a second inlet of the primary ejector in sequence. According to the dual-function heat pump type solar industrial boiler system, dual functions of recompression of superheated steam are utilized, so the quantity demand for boiler high-temperature and high-pressure steam is further reduced, the thermal efficiency of a pump system is greatly improved, and low-grade heat energy of solar energy and low-grade heat energy of smoke exhaust waste heat are converted into medium-grade heat energy for heat supply.

Description

A kind of double action heat-pump-type solar industry steam generator system
Technical field
The utility model relates to a kind of double action heat-pump-type solar industry steam generator system, belongs to the technical field that clean energy resource utilizes.
Background technology
The world today is being faced with the problem of primary energy exhaustion day by day in short supply, greatly develops regenerative resource a new outlet is provided undoubtedly for this reason.China's land surface 9,600,000 km 2, occupying third place in the world, solar radiation ability is about 1.59 × 10 11kWh, is equivalent to that top is long-pending to be accepted every year solar energy and approximately have 69,000 hundred million tons of coals.When its sunshine in middle age, be slightly larger than 2200h, annual solar radiation total amount is higher than 5016MJ/m 2area account for the more than 2/3 of national total area.Be equivalent to have every year hundred million tons of mark coals of 4500-5000 to obtain with solar energy techniques.Solar thermal utilization is the key areas of renewable energy utilization, and technology maturation, has a extensive future.At energy substitution, reduce and discharge, use safely etc. aspect with the obvious advantage.At present solar thermal utilization only only limits to low-temperature water heating device, and middle high temperature heat utilization not yet gets involved, the project that in industry, agricultural, business, high temperature utilizes without thunder also without raindrop.Hindering the most significant challenge of China photo-thermal development is the not yet ripe localized photo-thermal comprehensive utilization technique that is applicable to large-scale promotion of Current Domestic, also there is no the integrated and operating experience of commercialization solar thermal utilization whole system.Solar energy is combined not only alternative boiler steam supply and can also be utilized boiler flue afterbody waste heat recovery energy supporting for solar energy with boiler, energy-saving effect is more remarkable.
In solar energy thermal-power-generating, be divided into slot type, tower, dish formula.Large-scale production technical requirement in solar energy condenser lens field is high, and installation difficulty is larger, accounts for the more than 60% of whole system investment in solar heat power generation system, and therefore, developing low-cost, high efficiency solar energy condenser lens field are key points.Compared with above three kinds of Jing Chang, the required steel of slot type system unit area and glass mirror material are minimum, and cost is low, capacity is changeable, ground placement maintenance is easy for installation, and all concentrating collectors can synchronously be followed the tracks of, and cost reduces greatly.Therefore, the feature such as it is large that trough type solar power generation has scale, and the life-span is long, and cost is low, convenient for installation and maintenance is applicable to business and generates electricity by way of merging two or more grid systems very much.
Heat-pump-type solar biomass boiler is the another kind of form of heat-pump-type Industrial Boiler, is characterized in keeping the simple heat production characteristic of original boiler, utilizes heat pump techniques to combine with trough type solar heat-collector, makes system have the function that is directly converted to more heats.By improving the efficiency of system, increase substantially the thermal efficiency of pumping system.Heat pump utilizes steam generator to produce high-grade heat energy as power, changes the low grade heat energy of environment (solar energy) and used heat (smoke discharging residual heat) into middle taste heat energy that heat supply is used, thereby realizes " heat energy increment ".The double action of utilizing vapours recompression, can further reduce the demand of boiler high temperature high steam, thereby further reduce primary energy consumption.
Summary of the invention
The utility model object is to improve the steam generator system thermal efficiency, promote clean energy resource utilization, a kind of high efficiency is provided, makes full use of fume afterheat and regenerative resource (solar energy) reduces the double action heat-pump-type solar industry steam generator system that primary fuel consumes.
Double action heat-pump-type solar industry steam generator system comprises feed pump, softening water tank, choke valve, hot water storage tank, Boiler High Pressure steam generator, one-level heat pump injector, secondary heat pump injector, solar still, trough type solar heat-collector, condensing evaporimeter, small pump, the first magnetic valve, the second magnetic valve, the 3rd magnetic valve, small pump is connected with softening water tank import, softening water tank is provided with two outlets, the first outlet of softening water tank, feed pump, Boiler High Pressure steam generator, one-level heat pump injector the first entrance, secondary heat pump injector the first entrance is connected in turn, the second outlet of softening water tank, choke valve, condensing evaporimeter, hot water storage tank the first entrance, the first magnetic valve, trough type solar heat-collector, the second magnetic valve, solar still entrance, secondary heat pump injector the second entrance is connected in turn, the condensation-water drain of solar still is connected with hot water storage tank the second entrance through the 3rd magnetic valve, secondary heat pump injector is provided with two outlets, secondary heat pump injector first exports with one-level heat pump injector the second entrance and is connected, the second outlet of secondary heat pump injector is delivery outlet.
Compared with prior art, the utlity model has following advantage:
1, the utility model adds feedback regulation link, can regulate backflow steam flow according to actual operation requirements easily, reaches the object to output steam flow and parameter control.
2, the utility model utilizes the double action of vapours recompression, further reduces the demand of boiler high temperature high steam, greatly improves the thermal efficiency of pumping system, has reduced primary energy consumption.
3, adopt trough type solar heat-collector to heat the water in hot water storage tank, take full advantage of the solar energy of cleanliness without any pollution, be conducive to environmental protection and sustainable development.
4, in the utility model, boiler discharging flue gas waste heat has been carried out to effective utilization, thereby reduced the temperature of fume emission, improved the thermal efficiency of boiler entirety.
5, the injector that the utility model uses can carry out different structural designs to equipment according to the parameter of high and low pressure steam, obtains the steam of various pressure ratings, meets different hot users' requirement.The low-pressure steam sucking by steam jet heat pump can be both the exhaust steam diffusing, and can be also the flash steam that condensate water produces, and low enthalpy heat energy is fully used, and reached the object of saving the energy.
6, the injector that the utility model uses can guarantee that pressure of steam supply is stable, has good practicality, and energy-saving benefit is remarkable.
Accompanying drawing explanation
The main structure figure of Fig. 1 double action heat-pump-type solar industry steam generator system;
Fig. 2 double action vapours recompression energy flow chart.
The specific embodiment
As shown in Figure 1, double action heat-pump-type solar industry steam generator system comprises feed pump 1, softening water tank 2, choke valve 3, hot water storage tank 4, Boiler High Pressure steam generator 5, one-level heat pump injector 6, secondary heat pump injector 7, solar still 8, trough type solar heat-collector 9, condensing evaporimeter 10, small pump 11, the first magnetic valve 12, the second magnetic valve 13, the 3rd magnetic valve 14, small pump 11 is connected with softening water tank 2 imports, softening water tank 2 is provided with two outlets, the first outlet of softening water tank 2, feed pump 1, Boiler High Pressure steam generator 5, one-level heat pump injector 6 first entrances, secondary heat pump injector 7 first entrances are connected in turn, the second outlet of softening water tank 2, choke valve 3, condensing evaporimeter 10, hot water storage tank 4 first entrances, the first magnetic valve 12, trough type solar heat-collector 9, the second magnetic valve 13, solar still 8 entrances, secondary heat pump injector 7 second entrances are connected in turn, the condensation-water drain of solar still 8 is connected with hot water storage tank 4 second entrances through the 3rd magnetic valve 14, secondary heat pump injector 7 is provided with two outlets, 7 first outlets of secondary heat pump injector are connected with one-level heat pump injector 6 second entrances, 7 second outlets of secondary heat pump injector are delivery outlet.
In Fig. 1, Q lfor fuel heat, Q yfor boiler exhaust gas heat, Q 01for solar energy is for high-temperature-hot-water heat, Q 0for absorbing waste heat, Q hfor superheated steam heat, Q 02for supplementing water is brought heat into, Q ffor solar energy heat absorbing amount, T y1, T y2be respectively flue gas import and export temperature, T hfor boiler overheating steam temperature, P hfor boiler overheating steam pressure, T 0for demineralized water temperature, T y0for hot water storage tank outlet temperature, T stfor output vapor (steam) temperature, P stfor output steam pressure, G wfor superheat steam flow, G is output steam flow, G s 1for backflow steam flow, P s 1for backflow steam pressure, G s 2for solar still steam flow, T s 2for solar still vapor (steam) temperature, P s 2for solar still steam pressure, G st 1for one-level injector outlet steam flow, P st 1for one-level injector outlet steam pressure, G st 2for two-stage injection device outlet steam flow, P st 2for two-stage injection device outlet steam pressure.
In system and device, described softening water tank 2 is respectively at being connected with condensing evaporimeter 10 with Boiler High Pressure steam generator 5, feed pump 1 is installed for supplying water in the pipeline that softening water tank 2 is connected with Boiler High Pressure steam generator 5, in the pipeline that softening water tank 2 is connected with condensing evaporimeter 10, choke valve 3 is installed for adjust flux, a small pump 11 is housed for moisturizing for softening water tank 2 in addition.
Described condensing evaporimeter 10 is connected with smoke evacuation flue, and the part water being flowed out by softening water tank 2 enters hot water storage tank 4 through condensing evaporimeter 10.
Described hot water storage tank 4 is connected with trough type solar heat-collector 9, heat produced high-temperature water through trough type solar heat-collector 9 and enter solar still 8 evaporation generation water vapours, a part of water vapour in solar still 8 is inhaled into secondary heat pump injector 7, part condensation is got off, and is controlled and is sent back to hot water storage tank 4 by the 3rd magnetic valve 14 by condensation pipe.
Described Boiler High Pressure steam generator 5 is directly supplied water by feed pump 1, and is directly connected with one-level heat pump injector 6, and the high temperature and high pressure steam producing in boiler is sent in one-level heat pump injector 6.
Described one-level heat pump injector 6 entrance points are connected with backflow jet chimney with high pressure steam generator 5 respectively by pipeline, and the port of export is connected with secondary heat pump injector 7.
Described secondary heat pump injector 7 entrance points are connected with solar still 8 with one-level heat pump injector 6 respectively by pipeline, and the port of export is exported steam by pipeline, and part is exported steam and flow to one-level heat pump injector by back of pipeline.
The method of double action heat-pump-type solar industry boiler is: the water that small pump 11 extracts under normal temperature and pressure enters softening water tank 2, softening water tank 2 Zhong mono-road water provide power directly to enter Boiler High Pressure steam generator 5 through feed pump 1, Boiler High Pressure steam generator 5 is directly supplied with heat by fuel, thereby in boiler, produces temperature T hfor 260-320 ℃, pressure P hfor the HTHP superheated vapour of 1.5-2.5MPa, afterwards the water vapour of HTHP through pipeline enter one-level heat pump injector 6 for; Another road water in softening water tank 2 is to enter condensing evaporimeter 10 through choke valve 3, utilizes the temperature T of discharging from boiler y1for the high-temperature flue gas of 110-180 ℃ heats the water entering in condensing evaporimeter 10, exhaust gas temperature T y2for 60-80 ℃, thereby take full advantage of fume afterheat, greatly reduce exhaust gas temperature and the waste heat loss of flue gas, the water of the condensing evaporimeter 10 of flowing through enters hot water storage tank again, then in trough type solar heat-collector 9, heats, and produces temperature T 01for entering evaporimeter 8 evaporations through the second magnetic valve (13), the high-temperature water of 140-180 ℃ produces temperature T s 2for 180-200 ℃, pressure P s 2be about the water vapour of 0.3-0.5MPa, high temperature and high pressure steam in the relative Boiler High Pressure steam generator 5 of temperature and pressure of the water vapour in evaporimeter 8 is all low, therefore be called low temperature and low pressure steam, high temperature and high pressure steam sprays after entering one-level heat pump injector 6, thereby generation pressure differential, the part output steam refluxing is sucked to one-level heat pump injector 6, and two parts steam converges generation, until one-level injector outlet steam enters secondary heat pump injector 7.One-level injector 6 exports steam and enters the rear continuation high velocity jet of two-stage injection device 7, and the low temperature and low pressure water vapor in evaporimeter 8 is sucked two-stage injection device 7 by the pressure differential of generation, thereby realized converging of two parts steam, and final mixing produces temperature T stfor 220-260 ℃, pressure P stfor the output steam output of 0.45-0.7MPa, part is exported steam and will be back to one-level injector 6 for use by reflux line.Part water vapour in evaporimeter 8 can be condensed into water, and these water are controlled and sent back to hot water storage tank by the 3rd magnetic valve 14.
As shown in Figure 2, high temperature and high pressure steam sprays after entering one-level heat pump injector, thereby produces pressure differential, and the part output steam refluxing is sucked to one-level heat pump injector, two parts steam converges generation, enters secondary heat pump injector until produce one-level injector outlet steam.After entering two-stage injection device, one-level injector outlet steam continues high velocity jet, the low temperature and low pressure water vapor in evaporimeter is sucked two-stage injection device by the pressure differential producing, thereby realize converging of two parts steam, final mixing produces the output steam output that meets certain parameter requirement, and part is exported steam and will be back to one-level injector for use by reflux line.
Embodiment
Below in conjunction with instantiation, the utility model is set forth, but can not limit by any way the utility model.
First order heat pump in this example drives steam parameter to be respectively: temperature T h=300 ℃, pressure P=2.5Mpa, flow G w=5t/h, suction steam parameter is temperature T s 1=218 ℃, pressure P s 1=0.49Mpa, flow G s 1=3t/h, output steam parameter is temperature T st 1=250 ℃, pressure P st 1=0.98Mpa, flow G st 1=8t/h.
Second level heat pump drives steam parameter to be respectively: drive steam parameter to be the steam parameter of heat pump output for the first time, suction steam parameter is temperature T s 2=180 ℃, pressure P s 2=0.3Mpa, flow G s 2=4.48t/h, output steam parameter is temperature T st=230 ℃, pressure P st=0.45Mpa, flow G st=12.48t/h.Double action mass ratio of induced-to-inducing air reaches 0.936, externally air demand is 9.48t/h, single-stage heat pump energy-conserving △ E accounts for 20.8% relatively, illustrate and adopt double action heat pump injector can further reduce primary energy consumption, increase clean energy resource (solar energy) proportion of utilization, further height system thermal efficiency.

Claims (1)

1. a double action heat-pump-type solar industry steam generator system, is characterized in that comprising feed pump (1), softening water tank (2), choke valve (3), hot water storage tank (4), Boiler High Pressure steam generator (5), one-level heat pump injector (6), secondary heat pump injector (7), solar still (8), trough type solar heat-collector (9), condensing evaporimeter (10), small pump (11), the first magnetic valve (12), the second magnetic valve (13), the 3rd magnetic valve (14), small pump (11) is connected with softening water tank (2) import, softening water tank (2) is provided with two outlets, the first outlet of softening water tank (2), feed pump (1), Boiler High Pressure steam generator (5), one-level heat pump injector (6) first entrances, secondary heat pump injector (7) first entrances are connected in turn, the second outlet of softening water tank (2), choke valve (3), condensing evaporimeter (10), hot water storage tank (4) first entrances, the first magnetic valve (12), trough type solar heat-collector (9), the second magnetic valve (13), solar still (8) entrance, secondary heat pump injector (7) second entrances are connected in turn, the condensation-water drain of solar still (8) is connected with hot water storage tank (4) second entrances through the 3rd magnetic valve (14), secondary heat pump injector (7) is provided with two outlets, (7) first outlets of secondary heat pump injector are connected with one-level heat pump injector (6) second entrances, (7) second outlets of secondary heat pump injector are delivery outlet.
CN201320651414.1U 2013-10-22 2013-10-22 Dual-function heat pump type solar industrial boiler system Withdrawn - After Issue CN203628595U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320651414.1U CN203628595U (en) 2013-10-22 2013-10-22 Dual-function heat pump type solar industrial boiler system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320651414.1U CN203628595U (en) 2013-10-22 2013-10-22 Dual-function heat pump type solar industrial boiler system

Publications (1)

Publication Number Publication Date
CN203628595U true CN203628595U (en) 2014-06-04

Family

ID=50815069

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320651414.1U Withdrawn - After Issue CN203628595U (en) 2013-10-22 2013-10-22 Dual-function heat pump type solar industrial boiler system

Country Status (1)

Country Link
CN (1) CN203628595U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103604108A (en) * 2013-10-22 2014-02-26 浙江大学 Dual functional heat pump type solar industrial boiler thermodynamic system and method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103604108A (en) * 2013-10-22 2014-02-26 浙江大学 Dual functional heat pump type solar industrial boiler thermodynamic system and method thereof
CN103604108B (en) * 2013-10-22 2015-04-29 浙江大学 Dual functional heat pump type solar industrial boiler thermodynamic system and method thereof

Similar Documents

Publication Publication Date Title
CN204301176U (en) Reduce the energy-saving heating system of heat supply return water temperature and recovery city used heat
CN103629857B (en) Based on the thermal power cogeneration central heating system of heat pump
CN106765448A (en) A kind of energy-saving heating system for reducing heat supply return water temperature
CN202007693U (en) Recovery device for low-temperature waste heat in power plant
CN103604107B (en) Heat pump type solar energy biomass boiler system and method
CN109139157B (en) Solar energy and geothermal energy coupled power generation system device based on organic Rankine cycle
CN203050815U (en) Electric power plant waste heat recovery device based on absorption heat pump
CN102758746A (en) Coupled power generating system using solar thermal collector assisted coal-fired unit
CN102032612A (en) Cogeneration energy-saving device and method using residual heat of direct air-cooling unit to supply heat
CN203717051U (en) Combined cycling low-temperature exhaust heat recycling device
CN106685338A (en) Combined cooling-heating-power system realized by using solar energy, air energy, geothermal energy and air conditioning waste heat
CN206517365U (en) One kind realizes cooling heating and power generation system using solar energy, air energy, geothermal energy and air conditioner afterheat
CN204026620U (en) A kind of solar steam heat storage boiler system
CN104315583A (en) Energy-saving heat supply system for reducing heat supply return water temperature and recovering city waste heat
CN203731368U (en) Device for deep recovery of smoke discharge waste heat of waste heat boiler
CN101261001A (en) Solar energy assisted coal fired thermal power plant integrated backheating device
CN103437968B (en) A kind of light-coal complementary thermal power generation system
CN103604108B (en) Dual functional heat pump type solar industrial boiler thermodynamic system and method thereof
CN202659432U (en) Coupling power generation system of glass cover vacuum type trough type solar thermal collector auxiliary coal-fired unit
CN201836967U (en) Cogeneration energy saving device utilizing waste heat of direct air cooling unit for heat supply
CN103423108B (en) A kind of combined power generation device utilizing solar energy and geothermal power
CN203628595U (en) Dual-function heat pump type solar industrial boiler system
CN203629138U (en) Solar heat pump and industrial boiler dual-arrangement type thermodynamic system
CN201246193Y (en) Thermal storage power generating apparatus utilizing solar energy and air heat energy extraction technology
CN207348906U (en) A kind of hydrogen of coupled solar-oxygen combustion association circulating power generation system

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20140604

Effective date of abandoning: 20150429