CN209484880U - One kind is risen again formula heat pump system - Google Patents
One kind is risen again formula heat pump system Download PDFInfo
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- CN209484880U CN209484880U CN201920072534.3U CN201920072534U CN209484880U CN 209484880 U CN209484880 U CN 209484880U CN 201920072534 U CN201920072534 U CN 201920072534U CN 209484880 U CN209484880 U CN 209484880U
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- 239000007788 liquid Substances 0.000 claims abstract description 40
- 230000000630 rising effect Effects 0.000 abstract description 22
- 230000000694 effects Effects 0.000 abstract description 10
- 238000010438 heat treatment Methods 0.000 abstract description 6
- 238000004134 energy conservation Methods 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 238000009833 condensation Methods 0.000 description 11
- 230000005494 condensation Effects 0.000 description 11
- 238000004378 air conditioning Methods 0.000 description 9
- 230000008676 import Effects 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 8
- 238000001816 cooling Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 238000001704 evaporation Methods 0.000 description 5
- 239000012530 fluid Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 230000008020 evaporation Effects 0.000 description 3
- 239000002918 waste heat Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000080 chela (arthropods) Anatomy 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model provides one kind and rises again formula heat pump system, comprising: main circulation loop and temperature clamper circuit；The main circulation loop includes that the evaporator being successively linked in sequence, heat exchanger heat absorbing side of rising again, compressor, junction station, condenser, gas-liquid separator, rise again heat exchanger cold side and throttle expansion valve, and throttle expansion valve are connect by pipeline with evaporator；Temperature clamper circuit includes the gas-liquid separator being successively linked in sequence, clamper return pipe, junction station and condenser, and condenser is connect by pipeline with gas-liquid separator；Main circulation loop and temperature clamper circuit share circuit from junction station, condenser and gas-liquid separator.Under the control in temperature clamper circuit, significantly improve condenser sender property outlet temperature, pass through the remaining thermal energy using the outlet working medium, energy in compressor inlet working medium can effectively be promoted by always heating other side working medium in heat exchanger of rising again, 50% or more compressor power consumption is greatly reduced, there are significant energy conservation and consumption reduction effects.
Description
Technical field
The utility model relates to energy saving field of heat exchange, and in particular to one kind is risen again formula heat pump system.
Background technique
Currently, widely used ice making, Cooling, heating system and the air-conditioning system overwhelming majority are all based on heat pump principle,
That is: pressurization-high temperature condensation heat release-expansion cooling decompression-low-temperature evaporation heat absorption circulatory system is compressed.Heat-pump-type cyclic system
The power consumption of system maintains cold source medium or heat source mainly on the outside of compressor boost power consumption and condenser, evaporator
The kinetic equation loss of mediation cycle.In heat pump system, compressor power consumption is not the heat energy transfer for being directly used in the circulatory system, but
The necessary condensation of cycle fluid and evaporating pressure are provided, by absorption or release phase of the working medium under different condensations and evaporating temperature
Become latent heat, realize thermal energy space transfer, meanwhile, compressor also recycles for working medium in systems overcomes resistance to provide power.
For the power consumption for reducing heat pump system, other than improving the efficiency of condenser, evaporator, the components such as compressor, directly
It reduces compressor and runs power, be a weight rationally using waste heat contained in the Temperature of Working distribution in heat pump system circulation
The approach wanted.There are three types of the approach of reduction compressor horsepower is general: first is that reducing working medium flow, but being wanted by heat pump cycle total amount of heat
Limitation is asked, adjustment leeway is limited；Second is that reducing compressor outlet working medium enthalpy, but limited by heat pump cold side temperature condition, no
It may decline excessive；Third is that improving compressor inlet working medium enthalpy, namely fluid inlet temperature is improved, and rationally improves compressor
Inlet temperature can both be realized outside heat pump system, can also realize inside heat pump circulating system, but utilize outside system
Portion's condition improves compressor inlet Temperature of Working, need to consume additional energy.
Existing heat pump is excessive in throttling link consumption due to that cannot efficiently use condenser sender property outlet dump energy
Energy in working medium, these working medium consumed excessively are interior must be compensated by again with compressor power consumption, realize and balance, cause compressor
Increase many additional power consumptions.
Utility model content
To be solved in the utility model is the problem that the additional power consumption of current heat pump system is excessively high, cost is bigger, for
Above-mentioned insufficient in the presence of the prior art and one kind is provided and is risen again formula heat pump system, formula heat pump provided by the utility model of rising again
50% or more compressor power consumption can be greatly reduced in system, improve nearly 2 times of heat pump system compressor effect, there is significant energy conservation drop
Consume effect.
To achieve the above object, the utility model uses the following technical solution:
One kind is risen again formula heat pump system, comprising: main circulation loop and temperature clamper circuit；
The main circulation loop includes the evaporator for passing sequentially through pipeline sequential connection, heat exchanger heat absorbing side of rising again, compression
Machine, junction station, condenser, gas-liquid separator, rise again heat exchanger cold side and throttle expansion valve, and throttle expansion valve passes through pipe
Road is connect with evaporator；
Temperature clamper circuit includes the gas-liquid separator for passing sequentially through pipeline sequential connection, clamper return pipe, confluence
Device and condenser, and condenser is connect by pipeline with gas-liquid separator；
The main circulation loop and temperature clamper circuit from junction station, condenser and gas-liquid separator be shared circuit,
To increase the working medium flow that condenser is passed through.
Further, the device of rising again can be, but not limited to be plate heat exchanger, shell-and-tube heat exchanger, fin type heat exchange
One or more kinds of combinations of device, spiral tube exchanger and coil exchanger.
Further, the clamper return pipe can be, but not limited to be variable diameter pipeline, indentical tube road, local orifice plate current limiting tube
One or more kinds of combinations of road and capillary.
Further, the junction station can be, but not limited to be pump, self-priming trunnion, Venturi tube or self-priming jet stream portion
Part.
Compared with the prior art, the utility model has the following beneficial effects:
Under the control in temperature clamper circuit, condenser working medium flow is greatly improved, and enhances working medium turbulent flow shape in condenser
State improves condenser exchange capability of heat, is obviously improved condenser sender property outlet temperature, and being recycled by heat exchanger of rising again should go out
The remaining thermal energy of mouth working medium, then heat exchange other side working medium of rising again can effectively promote energy in compressor inlet working medium, reduce pressure
Contracting machine imports and exports working medium enthalpy difference；Also the working medium of effectively drop throttle expansion valve is interior simultaneously to consume, and make heat pump circulating system in low function
New power-balance is realized under consumption state.Display is calculated, pressure can be greatly reduced in formula heat pump system provided by the utility model of rising again
50% or more contracting machine power consumption improves nearly 2 times of heat pump system compressor effect, there is significant energy conservation and consumption reduction effects.
The further advantage, target and feature of the utility model will be partially reflected by the following instructions, and part will also pass through
Research and practice to the utility model and be understood by the person skilled in the art.
Detailed description of the invention
Fig. 1 is a kind of formula central air conditioning refrigeration system schematic diagram of rising again using temperature clamper control technology；
Fig. 2 is a kind of formula waring and cooling air conditioning system cooling condition schematic diagram of rising again using temperature clamper control technology；
Fig. 3 is a kind of formula waring and cooling air conditioning system heating condition schematic diagram of rising again using temperature clamper control technology.
Appended drawing reference is successively in figure are as follows: condenser a, the heat exchanger b that rises again, evaporator c, throttle expansion valve d, compressor e, dissipates
Hot fluid pumps f, frozen liquid pumps g, junction station h, clamper return pipe i, gas-liquid separator j, outdoor unit a1, formula of rising again heat exchanger
B1, indoor unit c1, throttle expansion valve d1, compressor e1, two way reversing valve f1 of the first four-way, junction station g1, clamper return line
H1, gas-liquid separator i1, outdoor unit a2, formula of rising again heat exchanger b2, indoor unit c2, throttle expansion valve d2, compressor e2, the two or four
Logical two way reversing valve f2, junction station g2, clamper return line h2, gas-liquid separator i2.
Specific embodiment
In order to make technological means of the utility model, creation characteristic, reach purpose and effect is more clear and is easy to
Understand, the utility model be further elaborated with reference to the accompanying drawings and detailed description:
Attached drawing 1 be a kind of formula central air conditioning refrigeration system schematic diagram of rising again using temperature clamper control technology, number 1,
2,3 ... ... be operating condition throttle point,
Embodiment 1:
One kind is risen again formula heat pump system, comprising: main circulation loop and temperature clamper circuit；The main circulation loop include according to
The evaporator c of secondary sequential connection, it heat exchanger b heat absorbing side of rising again, compressor e, junction station h, condenser a, gas-liquid separator j, returns
Warm heat exchanger b cold side and throttle expansion valve d, and throttle expansion valve d is connect by pipeline with evaporator c；The temperature pincers
Position circuit includes the gas-liquid separator j being successively linked in sequence, clamper return pipe i, junction station h and condenser a, and condenser a
It is connect by pipeline with gas-liquid separator j；The main circulation loop and temperature clamper circuit are from junction station h, condenser a and gas
Liquid/gas separator j is shared circuit, to increase the working medium flow that condenser a is passed through, in circuit c → b → e → h → a → j → b →
In d → c, working medium carburation by evaporation in evaporator c is heated up into medium temperature in the heat exchanger b that rises again at low-temp low-pressure gaseous state 6
Low pressure state 6 ' becomes high temperature and pressure state 3 through compressor e pressurization, the secondary high temperature from clamper return pipe i is mixed in junction station h
4 " working medium of high voltage state, becomes mixed state 3 ', enters condenser a jointly and discharges thermal energy, condensation becomes time high temperature and pressure liquid 4, warp
Gas-liquid separator j is shunted, and into after heat exchanger b release waste heat of rising again, is cooled down as secondary low-temp low-pressure saturated mode 5, is reentered steaming
Device c is sent out, primary heat pump circulation is completed.
In temperature clamper circuit j → i → h → a → j, the secondary 4 " working medium of high temperature and pressure state shunted through gas-liquid separator j,
Major loop is imported through clamper return pipe i and junction station h, is mixed into mixed state 3 ' with 3 working medium of major loop high temperature high-pressure gaseous,
Enter condenser a jointly, flowed out with secondary high temperature and pressure state 4 from condenser a, into gas-liquid separator j, completes temperature clamper circuit
Circulation.
Further, the clamper return pipe i can be, but not limited to be variable diameter pipeline, indentical tube road, local orifice plate current limliting
One or more kinds of reasonable combinations of pipeline and capillary；Variable diameter pipeline refers to goes here and there the different pipeline section of diameter in order
Join the pipeline connected, the pipeline that indentical tube road is then different tubing, identical caliber links together, clamper return line
I is common to above-mentioned any or above reasonable combination.
Further, the junction station h can be, but not limited to be pump, self-priming trunnion, Venturi tube or self-priming jet stream
Component；As horn-like, junction station h is used to mix the secondary high temperature and pressure state 4 ' from clamper return pipe i self-priming trunnion shape,
Working medium, pump, self-priming trunnion, Venturi tube or self-priming fluidic component are able to satisfy the requirement of junction station h.
The heat exchanger b that rises again includes working medium cold side and working medium heat absorbing side, and working medium cold side one end is connected from gas-liquid separator j
Liquid-phase outlet, the other end is connected to throttle expansion valve d import, and heat absorbing side one end is connected to evaporator c sender property outlet, the other end
It is connected to compressor e import, makes the waste heat of 4 working medium of secondary high-temperature liquid state from gas-liquid separator j, is come from for heating another
6 working medium of low-temp low-pressure gaseous state of the outlet evaporator c, improves the import Temperature of Working for entering compressor e.
Further, the junction station h can be, but not limited to be pump, self-priming trunnion, Venturi tube or self-priming jet stream
Component improves condensation for that will mix through temperature clamper circuit with the working medium in major loop from the working medium of gas-liquid separator j
Working medium flow in device a, the turbulent condition of lifting fluid improve exchange capability of heat.
The concrete principle of the utility model operation are as follows: the cycle fluid in main circulation loop absorbs in evaporator c to be come from
The thermal energy of heat source flashes to low-temp low-pressure gaseous state, and the heat absorbing side for the heat exchanger b that goes successively to rise again absorbs and comes from other side working medium
The thermal energy of release heats up into medium temperature low-pressure gaseous, subsequently enters compressor e, becomes high temperature and pressure gas after compressor e pressurization
State then enters condenser a through junction station h, and to after heat dissipation vehicle heat release in condenser a, condensation becomes time high-temperature high-pressure liquid
State.Secondary high temperature and pressure working medium leaves condenser a and enters gas-liquid separator j, and outflow enters heat exchanger b heat release of rising again in a liquid-like manner
Side, the low-temp low-pressure working medium heat release to the other side, the liquid refrigerant after heat release are swollen into throttle expansion valve d at medium temperature high voltage state
At low-temp low-pressure gas-liquid saturated mode after swollen decompression, it is again introduced into evaporator c and absorbs heat source thermal energy, complete a main circulation loop
Heat pump cycle.In temperature clamper circuit, secondary high temperature and pressure working medium in gas-liquid separator j to shunt, with liquid or gaseous state or gas
Liquid mixed state enters clamper circuit, then through the gaseous state high temperature and pressure working medium in junction station h sucking main circulation loop, with major loop
It is mixed into condenser a, increases working medium flow in condenser a, improves the turbulent condition of working medium in condenser a, improves condenser a
Exchange capability of heat improves condenser a sender property outlet temperature.The heat exchanger b that risen again again is recycled more than the outlet condenser a working medium
Heat improves compressor e import Temperature of Working, reduces throttle expansion valve d consume, realizes new low energy consumption thermodynamic equilibrium.
Utility model works theories integration:
It is well known that heat pump circulating system must satisfy following equilibrium relation:
Evaporator power+compressor power consumption=condenser power+throttle expansion valve consume
That is: in the case where evaporator power and constant condenser power, compressor power consumption and throttle expansion valve consumption are reduced
Damage, still can not only make power-balance, but also compressor can be improved the effect of ratio, effect ratio: evaporation power or condensation power
With compressor work loss-rate.
The utility model is based on above-mentioned principle and designs.The working medium that major loop is imported through clamper return pipe i, is condensing
Outlet temperature will be made to increase in device a.Compared to the condenser for being not provided with temperature clamper circuit, outlet temperature promotes amplitude are as follows:
In formula: m '3For working medium flow at node 3, m '4" it is 4 " place's working medium flow of node,It is averaged level pressure ratio for working medium
Heat,It is the unit working medium heat exchange amount of condenser a,It is 3 ' place's working medium flow of node, formula 1 shows: condenser a working medium
Outlet temperature T4Flow in amplification and clamper pipelineIt is positively correlated, with the temperature of the increase condenser a sender property outlet of flow
T4It will increase therewith, it is on the contrary then reduce.
Shunt volume in clamper return line iWhen sufficiently large, T at a temperature of condenser i sender property outlet4It will raise to
Condenser temperature Tc, (i.e. T4=Tc).It is condensation saturation gaseous state that condenser a, which exports working medium, at this time, after gas-liquid separator j separation,
It is reduced with the working medium flow that gaseous state imports major loop, condenser a exports Temperature of Working T4Decline, is flowed out again with liquid condensed,
It is shunted after into gas-liquid separator j with liquid refrigerant, increases the working medium flow for importing major loop again, again go out condenser a
Mouth Temperature of Working is promoted.Above procedure exports Temperature of Working T repeatedly, by condenser a4It clamps down in condensation temperature TcNear.
On the other hand, when the heat transfer rate for the heat exchanger b that rises again is sufficiently high, heat absorbing side can be exported gaseous state Temperature of Working, T6' with
Cold side liquid working substance inlet temperature T4' temperature difference △ Tm=T4’-T6' control in limited range.Preferably, this temperature difference △ Tm
It is can be controlled in 3-5 DEG C, as a result, the import Temperature of Working T of compressor e6' will be substantially improved.
From the above working principle: effectively rising again for the heat exchanger b that rises again and heat compressor e import work in temperature clamper circuit
Matter temperature plays humidification, and the heat exchanger b that rises again is the necessary condition for reducing compressor e power consumption.
With the universal heat pump compressor e power W for not using temperature clamp technologyc* it compares, uses temperature clamp technology
Formula heat pump system of rising again compressor horsepower Wc, the amplitude of power consumption about can be reduced about are as follows:
ε=(Wc*-Wc)/Wc*=(Tc-T6-△Tm)/(T3-T6) (2)
In the present embodiment, using building/building central refrigerating air-conditioning routine data as evidence, when the outlet of compressor e
Temperature is T3=60 DEG C, Tc=45 DEG C of condensation temperature, the sender property outlet temperature T of evaporator c6=20 DEG C, the end for the heat exchanger b that rises again
Mouth minimum temperature difference △ TM=At 5 DEG C, using the formula central refrigerating air-conditioning system of rising again of temperature clamp technology, than common centralized system
Cold air-conditioning reduces compressor power consumption 50%.
Embodiment 2:
The formula waring and cooling air conditioning system of rising again of temperature clamp technology is used referring to attached drawing 2 and attached drawing 3.Working principle and embodiment
1 is identical.When for when freezing or heating, needing to transfer by two way reversing valve of four-way.In 2 cooling condition of attached drawing, the work
Outdoor unit a1 is condenser under condition, and indoor unit c1 is evaporator, major loop process are as follows: d1 → f1 → c1 → j1 → b1 → e1 → g1
→j1→a1→f1→i1→b1→d1；Temperature clamper circuit process are as follows: i1 → h1 → g1 → j1 → a1 → f1 → i1.
It is heating condition in attached drawing 3, the operating condition is as follows, and outdoor unit a2 is evaporator, and indoor unit c2 is condenser, major loop
Process are as follows: d2 → f2 → a2 → j2 → b2 → e2 → g2 → j2 → c2 → f2 → i2 → b2 → d2；Temperature clamper circuit process are as follows:
i2→h2→g2→j2→c2→f2→i2。
Compared with the prior art, the utility model has the advantages that, under the control in temperature clamper circuit, condensation
Device working medium flow greatly improves, and improves condenser exchange capability of heat, significantly improves condenser sender property outlet temperature, is changed by rising again
Hot device utilizes the remaining thermal energy of the outlet working medium, can effectively promote energy in compressor inlet working medium, reduces compressor and imports and exports work
Matter enthalpy difference, while can reduce and can be consumed in the working medium of throttle expansion valve link, enable heat pump circulating system reality under low power consumpting state
Existing power-balance, can be greatly reduced 50% or more compressor power consumption, improve nearly 2 times of heat pump system compressor effect, have significant
Energy conservation and consumption reduction effects.
Finally, it is stated that above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, although ginseng
The utility model is described in detail according to preferred embodiment, those skilled in the art should understand that, it can be to this
The technical solution of utility model is modified or replaced equivalently, without departing from the objective and model of technical solutions of the utility model
It encloses, should all cover in the scope of the claims of the utility model.
Claims (4)
- The formula heat pump system 1. one kind is risen again characterized by comprising main circulation loop and temperature clamper circuit；The main circulation loop includes the evaporator for passing sequentially through pipeline sequential connection, rise again heat exchanger heat absorbing side, compressor, remittance Flow device, condenser, gas-liquid separator, rise again heat exchanger cold side and throttle expansion valve, and throttle expansion valve by pipeline with Evaporator connection；Temperature clamper circuit include pass sequentially through pipeline sequential connection gas-liquid separator, clamper return pipe, junction station with And condenser, and condenser is connect by pipeline with gas-liquid separator；The main circulation loop and temperature clamper circuit from junction station, condenser and gas-liquid separator be shared circuit, to increase Add the working medium flow that condenser is passed through.
- The formula heat pump system 2. one kind according to claim 1 is risen again, which is characterized in that it is described rise again heat exchanger can with but not Be limited to be plate heat exchanger, shell-and-tube heat exchanger, finned heat exchanger, spiral tube exchanger and coil exchanger one kind Or more than one reasonable combination.
- The formula heat pump system 3. one kind according to claim 1 is risen again, which is characterized in that the clamper return pipe can with but not Be limited to be variable diameter pipeline, indentical tube road, local orifice plate current limiting tube road and capillary one or more kinds of combinations.
- The formula heat pump system 4. one kind according to claim 1 is risen again, which is characterized in that the junction station can be, but not limited to It is pump, self-priming trunnion, Venturi tube or self-priming fluidic component.
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| CN201920072534.3U CN209484880U (en) | 2019-01-16 | 2019-01-16 | One kind is risen again formula heat pump system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109612157A (en) * | 2019-01-16 | 2019-04-12 | 江卫 | One kind is risen again formula energy saving heat pump system |
| CN114623628A (en) * | 2022-04-21 | 2022-06-14 | 合肥圣三松冷热技术有限公司 | Heat pump circulating system and working method thereof |
| CN115900136A (en) * | 2022-11-18 | 2023-04-04 | 中国石油天然气集团有限公司 | Low-grade heat source heat recovery system |
-
2019
- 2019-01-16 CN CN201920072534.3U patent/CN209484880U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109612157A (en) * | 2019-01-16 | 2019-04-12 | 江卫 | One kind is risen again formula energy saving heat pump system |
| CN114623628A (en) * | 2022-04-21 | 2022-06-14 | 合肥圣三松冷热技术有限公司 | Heat pump circulating system and working method thereof |
| CN115900136A (en) * | 2022-11-18 | 2023-04-04 | 中国石油天然气集团有限公司 | Low-grade heat source heat recovery system |
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