CN207035548U - A kind of injecting type combined cooling and power circulatory system - Google Patents
A kind of injecting type combined cooling and power circulatory system Download PDFInfo
- Publication number
- CN207035548U CN207035548U CN201720471203.8U CN201720471203U CN207035548U CN 207035548 U CN207035548 U CN 207035548U CN 201720471203 U CN201720471203 U CN 201720471203U CN 207035548 U CN207035548 U CN 207035548U
- Authority
- CN
- China
- Prior art keywords
- working medium
- condenser
- evaporator
- gas
- thermal source
- 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
Abstract
The utility model discloses a kind of injecting type combined cooling and power circulatory system, the thermodynamic cycle based on non-azeotropic working medium rises dimension structure, including with lower component：First and second evaporators, gas-liquid separator, expanding machine, the first and second condensers, working medium pump, injector and choke valve；The sender property outlet end of second condenser is sequentially connected working medium pump, the first evaporator, expanding machine, injector, the first condenser, the arrival end of gas-liquid separator, the gaseous phase outlet of gas-liquid separator is terminated at the working medium entrances end of the second condenser, and the liquid-phase outlet end of gas-liquid separator is followed by being followed by the driving fluid arrival end in injector in the working medium entrances end of the second evaporator by regulating valve；The thermal source inlet end of first evaporator and the second evaporator each leads into thermal source I and thermal source II；The thermal source inlet end of first condenser and the second condenser each leads into low-temperature receiver I and low-temperature receiver II.The performance that the system can reach each thermal procession is optimal, so as to realize that the ideal integrally circulated is approached.
Description
Technical field
The utility model belongs to circulation system.Non-azeotropic working medium high-efficient circulating system is based on more particularly to one kind.
Background technology
The energy is the major impetus of economic growth and social progress, and reduces the energy from producing to consuming in links
Loss and waste, it is the current Main Means for solving energy crisis to improve energy conversion efficiency.Therefore, the circulatory system is improved constantly
The technical merit of middle energy transfer and conversion is the key point for realizing China's energy-saving and emission-reduction to reduce loss.
Thermodynamic cycle is the basic theory foundation that hot merit is mutually changed, and working medium Basic Physical Properties are the guarantees for realizing circulation.
The structure theory of ideal thermodynamic cycle is complete, and causing Ideal Cycle, relatively uniform (Carnot cycle, Stirling cycle, Bretton follow
Ring etc.), quantity is seldom；And actual cycle lacks clearly structure theory, new circulation is caused to emerge in an endless stream, quantity is numerous and diverse, the good and the bad
It is uneven.
The target of actual cycle structure is to approach Ideal Cycle, the ideal thermodynamic cycle difference maximum with actual thermodynamic cycle
It is that the latter will be built based on certain actual working media, current existing working medium can not all fully meet all preferable heating power
The requirement of process, actual thermodynamic cycle is caused to have been accepted or rejected according to actual conditions, even if current best actual heating power follows
Ring performance also significantly deviate from Ideal Cycle performance (thermodynamics consummating degree is generally less than 50%).
Utility model content
For prior art, the utility model provides a kind of injecting type combined cooling and power circulatory system, and the system is based on non-common
The thermodynamic cycle for boiling working medium rises dimension structure, it is possible to reduce the irreversible loss of actual cycle, improves cycle performance, makes actual cycle
Approach Ideal Cycle.
In order to solve the above-mentioned technical problem, the utility model proposes a kind of injecting type combined cooling and power circulatory system, be based on
The thermodynamic cycle of non-azeotropic working medium rises dimension structure, and the system is included with lower component：First evaporator, the second evaporator, gas-liquid point
From device, expanding machine, the first condenser, the second condenser, working medium pump, injector and choke valve；The working medium of second condenser
Outlet is terminated at the working medium pump arrival end, and the working medium pump outlet is terminated at the working medium entrances end of the first evaporator, and described the
The sender property outlet of one evaporator is terminated at the arrival end of the expanding machine, and the outlet of the expanding machine is terminated at the injector
Working-fluid intaking end, the outlet of the injector are terminated at the working medium entrances end of first condenser, first condensation
The sender property outlet of device is terminated at the arrival end of the gas-liquid separator, and the gaseous phase outlet of the gas-liquid separator is terminated at described
The working medium entrances end of two condensers, the liquid-phase outlet end of the gas-liquid separator are followed by steaming in described second by the choke valve
The working medium entrances end of device is sent out, the sender property outlet of second evaporator is terminated at the driving fluid arrival end of the injector；Institute
The thermal source inlet end for stating the first evaporator and second evaporator each leads into thermal source I and thermal source II；First condenser
Low-temperature receiver I and low-temperature receiver II are each led into the thermal source inlet end of second condenser.
Compared with prior art, the beneficial effects of the utility model are：
Since actual cycle must rely on working medium and build, will should just consider together with the collaboration of working medium and other problemses,
Either on solving the problems, such as that thermodynamics consummating degree is less than normal, or in actual thermodynamic cycle the Theory Construction, working medium it is basic
Thermodynamic parameter should all embody as a thinking dimension.The utility model proposes a kind of injecting type combined cooling and power circulation
System, in actual cycle, increase component proportion regulation process, non-azeotropic working medium component proportion are adjusted to expanded after heat absorption
Best performer group point in journey, realize that the output work of expansion process is maximum；After expansion process, heat release is arrived in component proportion regulation
The optimal component of performance under journey, realize that the available loss of energy of exothermic process is minimum；After exothermic process, component proportion regulation to pressure
The optimal component of performance in compression process, realize that the wasted work in compression process is minimum；After compression process, component proportion regulation to suction
The optimal component of performance in thermal process, realize that the irreversible loss in endothermic process is minimum., can by increasing the free degree of working medium
It is optimal to reach the performance of each thermal procession to realize the switching in circulation between non-azeotropic working medium different component proportioning, from
And realize the ideal integrally circulated and approach.
Brief description of the drawings
Fig. 1 is the utility model injecting type combined cooling and power circulatory system schematic diagram；
Fig. 2 is that the thermodynamic cycle based on non-azeotropic working medium rises dimension construction method schematic diagram；
Fig. 3 is the utility model injecting type combined cooling and power circulating three-dimensional structure schematic diagram.
In figure：
The evaporators of 11- first, the evaporators of 12- second, 2- gas-liquid separators, 3- expanding machines, the condensers of 51- first, 52-
Two condensers, 7- working medium pumps, 8- injectors, 9- choke valves.
Embodiment
Technical solutions of the utility model are described in further detail with specific embodiment below in conjunction with the accompanying drawings, it is described
Only the utility model is explained for specific embodiment, not limiting the utility model.
As shown in figure 1, the utility model proposes a kind of injecting type combined cooling and power circulatory system, it is main to include with bottom
Part：First evaporator 11, expanding machine 3, injector 8, the first condenser 51, gas-liquid separator 2, the second condenser 52, working medium pump
7th, choke valve 9, the second evaporator 12.The sender property outlet of second condenser 52 is terminated at the arrival end of working medium pump 7, working medium
Pump 7 exports the working medium entrances end for being terminated at the first evaporator 11, and the sender property outlet of the first evaporator 11 is terminated at the expanding machine 3
Arrival end, the outlet of expanding machine 3 is terminated at the Working-fluid intaking end of injector 8, and it is cold that the outlet of injector 8 is terminated at first
The working medium entrances end of condenser 51, the sender property outlet of the first condenser 51 are terminated at the arrival end of gas-liquid separator 2, gas-liquid separator
2 gaseous phase outlet is terminated at the working medium entrances end of the second condenser 52, and the liquid-phase outlet end of gas-liquid separator 2 passes through choke valve 9
It is followed by being terminated at the driving fluid of injector 8 in the working medium entrances end of the second evaporator 12, the sender property outlet of the second evaporator 12
Arrival end.The thermal source inlet end of first evaporator 11 and the second evaporator 12 each leads into thermal source I and thermal source II；First condenser
51 and second the thermal source inlet end of condenser 52 each lead into low-temperature receiver I and low-temperature receiver II.
The above-mentioned injecting type combined cooling and power circulatory system is that the thermodynamic cycle based on non-azeotropic working medium rises dimension structure, based on non-
It is using ideal Carnot cycle as target is approached, as shown in Fig. 2 actual cycle is by non-that the thermodynamic cycle of azeotropic working medium, which rises dimension structure,
Azeotropic working medium is completed, and the non-azeotropic working medium is made up of two kinds of components, has different constituents in liquid and gas, and
When condensing or evaporate under a certain pressure, condensation temperature and evaporating temperature will change.Realize in circulation, there will be isothermal
Component proportion between two kinds of best components of thermal procession performance is designated as M1, by with constant entropy thermal procession performance it is best two
Component proportion between kind component is designated as M2；Non-azeotropic working medium can realize the regulation of above two component proportion, and component proportion is
During M1, the Minimal energy loss of heat transfer process can be realized；When component proportion is M2, the effect of expansion and compression process can be realized
Rate highest.As shown in Fig. 2 actual cycle is designated as A1→B1→B2→C2→C1→D1→D2→A2→A1, wherein, A1→B1Process is
Endothermic process, B2→C2Process is expansion process, C1→D1Process is exothermic process, D2→A2Process is compression process, B1→B2Cross
Journey, C2→C1Process, D1→D2Process and A2→A1Process is that component proportion adjusts process, above-mentioned actual cycle A1→B1→B2
→C2→C1→D1→D2→A2→A1, jump and complete between component proportion M1 and M2, detailed process is as follows：Endothermic process A1→
B1, the initial component proportion of working medium is M1, passes through the working medium with component proportion M1 and the matching of thermal source, it is possible to achieve with heat
The matched well in source, so as to which the irreversible loss reached in endothermic process reaches minimum and the loss of energy can be used minimum；Component proportion
Regulation process B1→B2, the component proportion of working medium is by M1 regulations to M2；Expansion process B2→C2, during this, the group distribution of working medium
Than for M2, it is possible to achieve the constant entropy expansion of expansion process, improve the energy output of expansion process, reach output work maximum；Component
Match regulation process C2→C1, the component proportion of working medium is by M2 regulations to M1；Exothermic process C1→D1, during this, the group of working medium
Distribution ratio is M1, passes through the working medium with component proportion M1 and the matching of low-temperature receiver, it is possible to achieve the matched well with thermal source, so as to
Reach the irreversible loss in exothermic process and reach minimum, you can be minimum with the loss of energy；Component proportion regulation process D1→D2,
The component proportion of working medium is adjusted to M2 by M1；Realize compression process D2→A2, during this, the component proportion of working medium is M2, can be with
The isentropic Compression of compression process is realized, reduces the energy expenditure of compression process；Component proportion regulation process A2→A1, the group of working medium
Distribution ratio is adjusted to M1 by M2.This space heating power circulates on T-S figures and is projected as ideal Carnot cycle A0→B0→C0→D0→
A0。
The utility model proposes a kind of injecting type combined cooling and power circulatory system, be the heat based on above-mentioned non-azeotropic working medium
Power circulation rises dimension construction method structure gained, and Fig. 3 is the three-dimensional thermodynamic cycle schematic diagram of the system.As shown in figures 1 and 3,
Non-azeotropic working medium component proportion in two condensers 51 is M1, and it has isothermal thermal performance best under the operating mode, group distribution
It is pressurized subsequently into the first evaporator 11 (in Fig. 3 shown in 7 → 1) through working medium pump than the working medium for M1, is heated to be by thermal source I
The overheated gas of HTHP subsequently into the expansion work of expanding machine 3 (in Fig. 3 shown in 1 → 2a → 2 → 3), what expanding machine 3 came out
Lack of gas enter the speedup of injector 8 as the working fluid of injector 8 and depressurized (in Fig. 3 shown in 3 → 4), go out with the second evaporator 12
The working medium come is mixed (in Fig. 3 shown in 10 → 4) and (4 → 5b → 5 in Fig. 3 is partly condensed subsequently into the first condenser 51
It is shown), the two-phase working substance after condensing enters gas-liquid separator 2, and the liquid-phase outlet of gas-liquid separator 2 is that component proportion is the non-of M2
Azeotropic working medium, it has constant entropy thermal performance best under the operating mode, and it is two-phase state that saturated solution working medium, which enters the decompression of choke valve 9,
(in Fig. 3 shown in 5 → 8 → 9), absorb heat subsequently into the second evaporator 12 and be changed into gas phase into the driving fluid of injector 8
End is (in Fig. 3 shown in 9 → 10)；The saturated air working medium that the component proportion of the gaseous phase outlet of gas-liquid separator 2 is M1 enters the second condensation
Device 52 is condensed into liquid phase (in Fig. 3 shown in 5 → 6 → 7), so far completes circulation.
Circulated compared to traditional combined cooling and power, the new circulation has larger improved efficiency.In identical initial parameter
Under the conditions of, i.e. heat source temperature is 323.15K, and thermal source mass flow is 20kg/s, cooling water temperature 285.15K, expanding machine etc.
Entropic efficiency is 80%, and working medium pump isentropic efficiency is 70%, and the circulation improves 6.2% compared to traditional combined cooling and power thermal efficiency of cycle.
Although the utility model is described above in conjunction with accompanying drawing, the utility model is not limited to above-mentioned
Embodiment, above-mentioned embodiment is only schematical, rather than restricted, the ordinary skill of this area
Personnel are under enlightenment of the present utility model, in the case where not departing from the utility model aims, can also make many variations, this
Belong within protection of the present utility model.
Claims (1)
- A kind of 1. injecting type combined cooling and power circulatory system, it is characterised in that the thermodynamic cycle based on non-azeotropic working medium rises dimension structure, The system is included with lower component：First evaporator (11), the second evaporator (12), gas-liquid separator (2), expanding machine (3), first Condenser (51), the second condenser (52), working medium pump (7), injector (8) and choke valve (9)；The sender property outlet of second condenser (52) is terminated at the working medium pump (7) arrival end, working medium pump (7) port of export The working medium entrances end of the first evaporator (11) is connected to, the sender property outlet of first evaporator (11) is terminated at the expanding machine (3) arrival end, the outlet of the expanding machine (3) are terminated at the Working-fluid intaking end of the injector (8), the injector (8) outlet is terminated at the working medium entrances end of first condenser (51), the sender property outlet end of first condenser (51) The arrival end of the gas-liquid separator (2) is connected to, the gaseous phase outlet of the gas-liquid separator (2) is terminated at second condenser (52) working medium entrances end, the liquid-phase outlet end of the gas-liquid separator (2) are followed by described second by the choke valve (9) The working medium entrances end of evaporator (12), the sender property outlet of second evaporator (12) are terminated at the injection of the injector (8) Fluid inlet end；The thermal source inlet end of first evaporator (11) and second evaporator (12) each leads into thermal source I and thermal source II； The thermal source inlet end of first condenser (51) and second condenser (52) each leads into low-temperature receiver I and low-temperature receiver II.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720471203.8U CN207035548U (en) | 2017-04-29 | 2017-04-29 | A kind of injecting type combined cooling and power circulatory system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720471203.8U CN207035548U (en) | 2017-04-29 | 2017-04-29 | A kind of injecting type combined cooling and power circulatory system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207035548U true CN207035548U (en) | 2018-02-23 |
Family
ID=61479703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720471203.8U Expired - Fee Related CN207035548U (en) | 2017-04-29 | 2017-04-29 | A kind of injecting type combined cooling and power circulatory system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207035548U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108716783A (en) * | 2018-05-07 | 2018-10-30 | 西安交通大学 | A kind of back pressure injecting type Trans-critical cycle CO2Power cycle generating system |
| CN110081628A (en) * | 2019-04-30 | 2019-08-02 | 西安交通大学 | Trans-critical cycle CO with separator2Mixed working fluid back pressure injecting type combined cooling and power system |
| CN113357846A (en) * | 2021-06-08 | 2021-09-07 | 南京工业大学 | Liquid separation condensation injection-compression refrigeration cycle system |
| CN113357845A (en) * | 2021-06-08 | 2021-09-07 | 南京工业大学 | Liquid separation condensation compression-injection refrigeration cycle system |
-
2017
- 2017-04-29 CN CN201720471203.8U patent/CN207035548U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108716783A (en) * | 2018-05-07 | 2018-10-30 | 西安交通大学 | A kind of back pressure injecting type Trans-critical cycle CO2Power cycle generating system |
| CN110081628A (en) * | 2019-04-30 | 2019-08-02 | 西安交通大学 | Trans-critical cycle CO with separator2Mixed working fluid back pressure injecting type combined cooling and power system |
| CN110081628B (en) * | 2019-04-30 | 2020-05-22 | 西安交通大学 | Transcritical CO with separator2Mixed working medium back pressure jet type combined cooling and power supply system |
| CN113357846A (en) * | 2021-06-08 | 2021-09-07 | 南京工业大学 | Liquid separation condensation injection-compression refrigeration cycle system |
| CN113357845A (en) * | 2021-06-08 | 2021-09-07 | 南京工业大学 | Liquid separation condensation compression-injection refrigeration cycle system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108679880B (en) | Double-working medium combined cycle compression heat pump | |
| CN207035548U (en) | A kind of injecting type combined cooling and power circulatory system | |
| CN108775266B (en) | Transcritical carbon dioxide power cycle and absorption heat pump combined heat and power cogeneration system for high-temperature flue gas waste heat recovery | |
| CN108662809B (en) | Double-working medium combined cycle compression heat pump | |
| CN109763948A (en) | A kind of supercritical carbon dioxide solar heat power generation system and operation method | |
| CN107882603A (en) | Construct low-temperature receiver energy-recuperation system, heat engine system and energy reclaiming method | |
| CN107939548A (en) | Internal combustion engine UTILIZATION OF VESIDUAL HEAT IN cooling heating and power generation system and its method of work | |
| CN209042886U (en) | A kind of cold-hot-chp system based on liquid air energy storage | |
| CN206816364U (en) | A kind of gas turbine critical-cross carbon dioxide condensation cycle combined generating system | |
| CN107906781B (en) | Three pressure type power and refrigeration cogeneration system and methods | |
| CN110530058B (en) | Combined cycle heat pump device | |
| CN107421157B (en) | Ammonia absorption type power and injection type refrigeration composite circulation system and method | |
| CN107120150B (en) | Thermodynamic cycle based on non-azeotropic working medium rises dimension construction method | |
| CN105888757A (en) | Closed circulating power generation device | |
| CN202915556U (en) | Device for improving thermal efficiency of gas water heater | |
| CN208091004U (en) | Multi-cycle variable-flow heat pump system | |
| CN112344583A (en) | Single-working medium combined cycle heat pump device | |
| CN107906782B (en) | Double-absorption type power-cooling combined supply circulation system and method thereof | |
| CN207299111U (en) | A kind of heat exchange station utilizes air source heat pump heating system | |
| CN208222907U (en) | Variable-flow multi-cycle heat pump system | |
| CN112344586A (en) | Single-working medium combined cycle heat pump device | |
| CN112344582A (en) | Single-working medium combined cycle heat pump device | |
| CN107328134B (en) | Power-cooling combined supply circulating system and method | |
| CN105257353B (en) | Absorption type circulation system and method | |
| CN104929875A (en) | Geotherm and solar energy combined power generation system and geotherm and solar energy combined power generation method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180223 Termination date: 20200429 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |