CN207394816U - A kind of flue gas waste heat recovery system of Driven by Solar Energy jet type heat pump Xun Huan - Google Patents
A kind of flue gas waste heat recovery system of Driven by Solar Energy jet type heat pump Xun Huan Download PDFInfo
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- CN207394816U CN207394816U CN201721035509.5U CN201721035509U CN207394816U CN 207394816 U CN207394816 U CN 207394816U CN 201721035509 U CN201721035509 U CN 201721035509U CN 207394816 U CN207394816 U CN 207394816U
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- boiler
- solar energy
- jet type
- flue gas
- heat pump
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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
Abstract
The utility model discloses a kind of flue gas waste heat recovery systems of Driven by Solar Energy jet type heat pump Xun Huan, including gas fired-boiler, air preheater, solar energy heat collector and Driven by Solar Energy jet type heat pump device, the Driven by Solar Energy jet type heat pump device includes the nozzle for being in turn connected into evaporator, mixing chamber, diffuser pipe, condenser and the throttle mechanism in a circuit and being connected with mixing chamber；The evaporator is equipped with to discharge the discharge pipe of flue gas and condensation water, and condenser is equipped with boiler low-temperature to aquaporin and boiler high temperature water-supply passage, and boiler high temperature water-supply passage is connected to gas fired-boiler；The gas fired-boiler is equipped with high temperature flue.The utility model compared with prior art the advantages of be：The temperature of feedwater is improved, the device cycled by the use of solar energy heat collector as driving, energy conservation and environmental protection.
Description
Technical field
The utility model is related to the flue gases that heat reclaim unit more particularly to a kind of Driven by Solar Energy jet type heat pump cycle
Residual neat recovering system.
Background technology
Air pollution problems inherent caused by order to change Urumchi winter coal heating, from 2010, Urumqi City
Start gas replacing coal project.The implementation of gas replacing coal project brings the blue sky and white cloud in Urumchi.At present, the main city in Urumqi City
Area Tianshan District, Shayibak District, high and new technology industrial development zone (Xinshi District), Shuimogou District, the clean energy resource heat supply ratio of Midong District have reached
100%, natural gas heating is thoroughly realized, becomes first city using natural gas heating in the whole nation.It was supplied by the end of 2014
Warm period, hot water amount's ten thousand tons of more than 700 platforms of gas fired-boiler of 10-100 are installed altogether, these gas fired-boilers are pre- by installing tail flue gas air
Hot device absorbs fume afterheat so that flue gas temperature of hearth outlet is reduced to 60-65 degrees Celsius from 130-140 degrees Celsius, then
Air is discharged to from chimney.At present retracting device is not used for low-grade 60-65 degrees Celsius of fume afterheat.
Recycling for 130-140 degrees Celsius of flue-gas temperature of furnace outlet is currently to lead on the flue of gas fired-boiler
Installation tail flue gas air preheater is crossed to absorb fume afterheat, 130-140 degrees Celsius of the height excluded from gas fired-boiler burner hearth
Warm flue gas is introduced into the air preheater installed on flue, which utilizes high-temperature flue gas waste-heat cold air, cold
Air by heat into hot-air be sent into hearth combustor, for natural gas mixed combustion, become 60-65 degree after high-temperature flue gas heat release
Low-temperature flue gas be discharged into air.
Due to the limitation of different transfer of heat, and the low-temperature flue gas to being in 60 degree still has certain recyclable heat source.
Utility model content
The utility model is to solve above-mentioned deficiency, provides a kind of flue gas of Driven by Solar Energy jet type heat pump Xun Huan
Residual neat recovering system.
The above-mentioned purpose of the utility model is realized by following technical solution：A kind of Driven by Solar Energy jet type heat pump
The flue gas waste heat recovery system for cycling, including gas fired-boiler and air preheater, it is characterised in that：Further include solar energy heating dress
Put includes being in turn connected into the evaporation in a circuit with jet type heat pump device, the Driven by Solar Energy jet type heat pump device
Device, mixing chamber, diffuser pipe, condenser and throttle mechanism and the nozzle connected with mixing chamber；The evaporator is equipped with to arrange
The discharge pipe of flue gas and condensation water is put, condenser is equipped with boiler low-temperature to aquaporin and boiler high temperature water-supply passage, boiler high temperature
Gas fired-boiler is connected to aquaporin；
The gas fired-boiler is equipped with high temperature flue；
The high temperature flue connects air preheater, and air preheater is equipped with inlet of cold air, and equipped with hot-air
Exit passageway is connected to gas fired-boiler, while is connected to evaporator equipped with low-temperature flue gas passage；
The solar energy heat collector includes solar thermal collector and heat storage box.
The operation principle of the utility model is：130-140 degrees Celsius of the high-temperature flue gas discharged from the burner hearth of gas fired-boiler
The air preheater installed on flue is introduced into, which utilizes high-temperature flue gas waste-heat cold air, cold air quilt
Be heated into hot-air be sent into gas fired-boiler, for natural gas mixed combustion, become 60-65 degrees Celsius after high-temperature flue gas heat release
Low-temperature flue gas enters the evaporator in Driven by Solar Energy jet type heat pump device.Low temperature in Driven by Solar Energy jet type heat pump device
Heat of vaporization is absorbed into gaseous refrigerant working medium from low-temperature flue gas when the liquid refrigerant of low pressure flows through evaporator, and low-temperature flue gas is put
Become 10-15 degrees Celsius of flue gas after heat and condensation water is discharged into environment.Low-temp low-pressure gaseous refrigerant working medium, into mixing chamber and spray
The air-flow mixing for the high speed steam that mouth comes out, then slows down in diffuser pipe and is pressurized, become the gaseous refrigerant work of high temperature and pressure
Matter, a portion flow through condenser, within the condenser, the heat drawn from evaporator and mixing chamber to be used for heating boiler
Low temperature feedwater so that boiler low-temperature, which feeds water, is heated into the high temperature water-supply of boiler, and the gaseous refrigerant working medium of high temperature and pressure is cold
Become liquid after solidifying cooling, after flowing through throttle mechanism expansion, pressure continues to decline, and becomes low-temp low-pressure liquid refrigerant working medium stream
Enter evaporator, and another part steam enters circulating-heating in solar thermal collector and utilizes.
What deserves to be explained is the cycling is the power by the use of the heat collected from solar thermal collector as driving Xun Huan,
Namely working media, the working media by after nozzle, mixing chamber, diffuser pipe the low-temp low-pressure gaseous state system for carrying out flash-pot
Cryogen becomes the gaseous refrigerant working medium of high temperature and pressure.Vapor is the refrigerant work of Driven by Solar Energy jet type heat pump Xun Huan
Matter.
The utility model compared with prior art the advantages of be：The utility model does not use only heat pump techniques, simultaneously will
New energy is as the driving device of heat pump.Boiler low-temperature feed temperature is improved, reduces the pollution of environment, energy conservation and environmental protection.
Description of the drawings
Fig. 1 is the structure diagram of the utility model embodiment.
Specific embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.
As shown in Figure 1, a kind of flue gas waste heat recovery system of Driven by Solar Energy jet type heat pump Xun Huan, including gas fired-boiler
1st, air preheater 2, Driven by Solar Energy jet type heat pump device 3 and solar energy heat collector 4, the Driven by Solar Energy injecting type
Heat pump assembly 3 includes the evaporator 3-1, mixing chamber 3-2, diffuser pipe 3-3, condenser 3-4 and the section that are in turn connected into a circuit
The stream mechanism 3-5 and nozzle 3-6 connected with mixing chamber 3-2；The evaporator 3-1 is equipped with to discharge flue gas and condensation water
Discharge pipe 3-7, condenser 3-4 be equipped with boiler low-temperature to aquaporin 3-8 and boiler high temperature water-supply passage 3-9, boiler high temperature is given
Shui Tong 3-9 roads are connected to gas fired-boiler 1；
The gas fired-boiler 1 is equipped with high temperature flue 1-1；
The high temperature flue 1-1 connections air preheater 2, air preheater 2 is equipped with inlet of cold air 2-1, and sets
There is hot air outlet passage 2-2 to be connected to gas fired-boiler 1, while evaporator 3-1 is connected to equipped with low-temperature flue gas passage 2-3；
The solar energy heat collector 4 includes solar heat-collection plate 4-1 and heat storage box 4-2, wherein solar heat-collection plate 4-
1st, heat storage box 4-2, nozzle 3-6, mixing chamber 3-2 and diffusion room 3-3 be in turn connected into a circuit.
The operation principle of the utility model is：130-140 degrees Celsius of the high-temperature flue gas discharged from the burner hearth of gas fired-boiler 1
The air preheater 2 installed on flue is introduced into, which utilizes high-temperature flue gas waste-heat cold air, cold air
Be heated to form hot-air be sent into gas fired-boiler 1, for natural gas mixed combustion, it is Celsius to become 60-65 after high-temperature flue gas heat release
The low-temperature flue gas of degree enters the evaporator 3-1 in Driven by Solar Energy jet type heat pump device 3.Driven by Solar Energy jet type heat pump fills
It puts and absorbs heat of vaporization into gaseous refrigerant work from low-temperature flue gas when the liquid refrigerant of low-temp low-pressure in 3 flows through evaporator 3-1
Matter, becomes 10-15 degrees Celsius of flue gas after low-temperature flue gas heat release and condensation water is discharged into environment.Low-temp low-pressure gaseous refrigerant working medium,
It is mixed into mixing chamber 3-2 with the air-flow of the nozzle 3-6 high speed steams come out, supercharging of then slowing down in diffuser pipe 3-3 becomes
The gaseous refrigerant working medium of high temperature and pressure, a portion flow through condenser 3-4, will be from evaporator 3-1 in condenser 3-4
Heating boiler low temperature feedwater is used for the heat drawn in mixing chamber 3-2 so that boiler low-temperature feedwater is heated into boiler
High temperature water-supply, temperature rise become liquid after the gaseous refrigerant working medium condensation cooling of high temperature and pressure, flow through throttle mechanism 3-5
After expansion, pressure continues to decline, and becomes low-temp low-pressure liquid refrigerant working medium and flows into evaporator 3-1, and another part water steams
Gas enters circulating-heating in solar heat-collection plate 4-1.
What deserves to be explained is the cycling is moving by the use of the heat collected from solar thermal collector 4 as driving Xun Huan
Power, that is, working media, the working media by after nozzle 3-6, mixing chamber 3-2, diffuser pipe 3-3 carrying out the low of flash-pot
Warm low-pressure gaseous refrigerant becomes the gaseous refrigerant working medium of high temperature and pressure.Vapor is that the Driven by Solar Energy jet type heat pump follows
The refrigerant working medium of ring.
The high temperature water-supply of boiler, temperature liter are heated by the way that boiler low-temperature feedwater is actually calculated according to embodiment
5.1 degrees Celsius high, specific calculating process is more complicated, is now enumerated with regard to result of calculation as follows：
1 boiler energy consumption testing Report Parameters of table
Boiler smoke enthalpy calculates：It is calculated by the parameter in the boiler energy consumption testing account 1 of actual test by burning
Obtain flue gas enthalpy difference Δ H=Hy-H′y=4515.685019kw, the data are exactly the refrigerating capacity Q=of steam jet heat pump
4515.68kW.
The thermal discharge of heat pump calculates：By refrigerating capacity selection model Sanyo jet type heat pump unit KFDXRS-3500II
Energy joint equipment limited company groove type solar high temperature heat collector is believed in WA/MDS and Shandong, by refrigeration unit
Calculation of Heat Load obtains the thermal discharge of heat pump as Q=23955277.5kJ/h=6654.24375kw, which is exactly to absorb
The heat that fume afterheat is heated to boiler low-temperature return water.
Boiler feedwater calculates：Boiler make-up cooling water flow G=1143450kg/h, pot are checked in by the report of boiler energy consumption testing
I=70.5 DEG C of stove low temperature feedwater temperature, pressure Pi=0.73MPa, hi=295.68kJ/kg is (by water and steam thermodynamic property table
It checks in).The increased enthalpy 20.59kJ/kg of boiler feedwater after heating, obtains boiler feedwater enthalpy h0=hi+ Δ h=316.63kJ/kg
I is checked in by water and steam thermodynamic property table0=76.3 DEG C.Boiler feedwater parameter such as the following table 2 before and after heating：
Table 2 heats front and rear boiler feedwater parameter
Boiler feedwater improves temperature T=i0- i=5.1 DEG C
The above description is only the embodiments of the present invention, and it does not limit the scope of the patent of the present invention, every
Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is directly or indirectly used in
Other related technical areas are equally included in the patent within the scope of the utility model.
Claims (6)
1. a kind of flue gas waste heat recovery system of Driven by Solar Energy jet type heat pump cycle, including gas fired-boiler, air preheater,
Solar energy heat collector and Driven by Solar Energy jet type heat pump device, it is characterised in that：The Driven by Solar Energy jet type heat pump
Device includes evaporator, mixing chamber, diffuser pipe, condenser and the throttle mechanism and and mixing chamber that are in turn connected into a circuit
The nozzle of connection；The solar energy heat collector include solar thermal collector and heat storage box, wherein solar thermal collector successively with
Heat storage box, nozzle, mixing chamber and diffuser pipe connect into a circuit；It is equipped with to discharge flue gas and condensation water in the evaporator
Discharge pipe, condenser be equipped with boiler low-temperature to aquaporin and boiler high temperature water-supply passage, boiler high temperature water-supply passage is connected to
Gas fired-boiler；
The gas fired-boiler is equipped with high temperature flue；
The high temperature flue connects air preheater, and air preheater is equipped with inlet of cold air, and equipped with hot air outlet
Passage is connected to gas fired-boiler, while is connected to evaporator equipped with low-temperature flue gas passage；
The heat storage box is connected with nozzle, and steam channel is equipped between diffuser pipe and condenser, and steam channel connects back to too
In positive energy collecting plate.
2. a kind of flue gas waste heat recovery system of Driven by Solar Energy jet type heat pump Xun Huan according to claim 1, special
Sign is：Jet type heat pump nozzle is connected with the nozzle in solar thermal collection system, after by mixing chamber and diffuser pipe, and respectively
It is connected in condenser and solar thermal collector.
3. a kind of flue gas waste heat recovery system of Driven by Solar Energy jet type heat pump Xun Huan according to claim 1, special
Sign is：Jet type heat pump refrigerant working medium is vapor.
4. a kind of flue gas waste heat recovery system of Driven by Solar Energy jet type heat pump Xun Huan according to claim 1, special
Sign is：The solar thermal collection system includes solar thermal collector and heat storage box.
5. a kind of flue gas waste heat recovery system of Driven by Solar Energy jet type heat pump Xun Huan according to claim 1, special
Sign is：The boiler low-temperature feedwater is connected with condenser, and is connected after condensed device with boiler.
6. a kind of flue gas waste heat recovery system of Driven by Solar Energy jet type heat pump Xun Huan according to claim 1, special
Sign is：The low-temperature flue gas is connected with evaporator, heating evaporation device inner refrigerant working medium, completes whole system Xun Huan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721035509.5U CN207394816U (en) | 2017-08-09 | 2017-08-09 | A kind of flue gas waste heat recovery system of Driven by Solar Energy jet type heat pump Xun Huan |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721035509.5U CN207394816U (en) | 2017-08-09 | 2017-08-09 | A kind of flue gas waste heat recovery system of Driven by Solar Energy jet type heat pump Xun Huan |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109539230A (en) * | 2017-08-09 | 2019-03-29 | 新疆工程学院 | A kind of flue gas waste heat recovery system of Driven by Solar Energy jet type heat pump circulation |
| CN109724069A (en) * | 2019-01-25 | 2019-05-07 | 长江大学 | Gas fired-boiler natural gas-vapor premixed combustion and fume afterheat step reclaiming system and its method |
| CN111852406A (en) * | 2020-07-17 | 2020-10-30 | 大连理工大学 | Heat-shock-method natural gas hydrate exploitation device and method based on solar energy-flue gas waste heat double heat source heat pump |
-
2017
- 2017-08-09 CN CN201721035509.5U patent/CN207394816U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109539230A (en) * | 2017-08-09 | 2019-03-29 | 新疆工程学院 | A kind of flue gas waste heat recovery system of Driven by Solar Energy jet type heat pump circulation |
| CN109724069A (en) * | 2019-01-25 | 2019-05-07 | 长江大学 | Gas fired-boiler natural gas-vapor premixed combustion and fume afterheat step reclaiming system and its method |
| CN111852406A (en) * | 2020-07-17 | 2020-10-30 | 大连理工大学 | Heat-shock-method natural gas hydrate exploitation device and method based on solar energy-flue gas waste heat double heat source heat pump |
| CN111852406B (en) * | 2020-07-17 | 2021-07-16 | 大连理工大学 | Heat-shock-method natural gas hydrate exploitation device and method based on solar energy-flue gas waste heat double heat source heat pump |
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