CN107560231B - Centrifugal high temperature heat pump - Google Patents
Centrifugal high temperature heat pump Download PDFInfo
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- CN107560231B CN107560231B CN201710697592.0A CN201710697592A CN107560231B CN 107560231 B CN107560231 B CN 107560231B CN 201710697592 A CN201710697592 A CN 201710697592A CN 107560231 B CN107560231 B CN 107560231B
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- heat exchanger
- water heat
- shell
- water
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B1/00—Compression machines, plants or systems with non-reversible cycle
- F25B1/10—Compression machines, plants or systems with non-reversible cycle with multi-stage compression
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B30/00—Heat pumps
- F25B30/02—Heat pumps of the compression type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B30/00—Heat pumps
- F25B30/06—Heat pumps characterised by the source of low potential heat
Abstract
The present invention provides a kind of centrifugal high temperature heat pump, including compound compressor, driving device and N number of vapor-water heat exchanger；Compound compressor includes shell, and the intracorporal rotation axis of shell and fixed N number of impeller on the rotating shaft is arranged in；Shell is divided into N sections, and an impeller is both provided in every piece housing, and every piece housing and the impeller in every piece housing constitute the level-one of compound compressor；One end that rotation axis passes through the shell is connect with driving device；Every level-one of compound compressor all corresponds to a vapor-water heat exchanger, and is connected to corresponding vapor-water heat exchanger；It is sequentially communicated between N number of vapor-water heat exchanger；N >=3, and be integer.It realizes the step heating to a water, matches diabatic process more, heat exchange efficiency is more efficient, and condensing heat-exchange is only carried out in vapor-water heat exchanger, and heat transfer process is few, and thermal loss is few, effectively improves the Energy Efficiency Ratio of high temperature heat pump.And it directly compresses the lack of gas after power generation, the waste heat after making full use of steam to generate electricity, economical environment-protective.
Description
The application be on April 13rd, 2015 applying date, application No. is 201510173274.5, patent name be centrifugal
The divisional application of high temperature heat pump.
Technical field
The present invention relates to Thermal Energy and Power Engineering fields, more particularly to a kind of centrifugal high temperature heat pump.
Background technique
Application of the thermal power cogeneration central heating system in northern China urban heating is very universal.Increase central heating system
The primary net supply water temperature of system, is conducive to long-distance sand transport hot water, significantly promotes the efficiency of transmission of hot water.In traditional thermoelectricity
In cogeneration centralized heating system, generallys use absorption heat pump or the centrifugal heat pump of non-aqueous refrigerant heats a water,
Improve primary net supply water temperature.The energy that absorption heat pump absorbs in lack of gas and condensed water after power generation heats a water,
Including five processes such as generation, condensation, evaporation, absorption and cooling water and Low pressure steam heat exchange, but only absorbs, condensed
Journey carries out two-step heating to a water；The non-aqueous centrifugal heat pump of refrigerant recycles the heat in lack of gas in the way of vapour drive or electric drive
Amount comprising three processes such as condensation, evaporation and cooling water and vapor heat exchange, but only condensation process carries out a water
Level-one heating.
Summary of the invention
In consideration of it, heating series is more the present invention provides a kind of heat transfer process is few, the high centrifugal high warm of Energy Efficiency Ratio
Pump.
To reach goal of the invention, the present invention provides a kind of centrifugal high temperature heat pump, including compound compressor, driving device and
N number of vapor-water heat exchanger；
The compound compressor includes shell, and the intracorporal rotation axis of the shell is arranged in and is fixed in the rotation axis
N number of impeller；
The shell is divided into N sections, is both provided with an impeller in every piece housing, every piece housing and is located at described every section
The intracorporal impeller of shell constitutes the level-one of the compound compressor；
One end that the rotation axis passes through the shell is connect with the driving device, can be in the band of the driving device
Dynamic lower rotation；
Every level-one of the compound compressor all correspond to a vapor-water heat exchanger, and with the corresponding steam-water heat exchanging
Device connection；
It is sequentially communicated between N number of vapor-water heat exchanger；
Wherein, N is the integer more than or equal to 3.
As an embodiment, throttling set is both provided on the return line of each vapor-water heat exchanger.
It as an embodiment, further include the n-th grade of corresponding vapor-water heat exchanger and n-th for being connected to the compound compressor
The cooling device of+1 grade of shell；
Wherein, 1≤n≤N-1.
As an embodiment, the cooling device includes liquid-jet device, condensate pump and hydrojet loop；
The liquid-jet device is arranged in (n+1)th grade of shell of the compound compressor；
The hydrojet loop is connected to n-th grade of corresponding vapor-water heat exchanger and described (n+1)th of the compound compressor
The grade intracorporal liquid-jet device of shell；
The condensate pump is arranged in the hydrojet loop.
As an embodiment, the cooling device further includes liquid collector sum aggregate liquid pipeline；
The liquid collector is arranged in (n+1)th grade of shell of the compound compressor, and is located under the liquid-jet device
Side；
The corresponding vapor-water heat exchanger of n-th grade of compound compressor described in the liquid collecting pipeline connection and liquid collecting dress
It sets.
As an embodiment, the driving device is motor or steam turbine.
It as an embodiment, further include the N+1 vapor-water heat exchanger being connected to the steam turbine；
N+1 vapor-water heat exchanger vapor-water heat exchanger connection corresponding with N grades of the compound compressor.
As an embodiment, throttling set is provided on the return line of the N+1 vapor-water heat exchanger.
As an embodiment, the shell is tapering type step structure.
As an embodiment, the value of the N is 3.
The beneficial effect comprise that
Centrifugal high temperature heat pump of the invention, the multi-stage impeller in compound compressor carry out N grade to lack of gas and compress, and in phase
Condensing heat-exchange is carried out in the vapor-water heat exchanger answered, and realizes and the step of a water is heated, so that diabatic process more matches, heat exchange
Efficiency is more efficient, and condensing heat-exchange is only carried out in vapor-water heat exchanger, and heat transfer process is few, and thermal loss is few, can effectively improve from
The Energy Efficiency Ratio of core type high temperature heat pump.Meanwhile directly the lack of gas after power generation are compressed, it is remaining after making full use of vapor to generate electricity
Heat, economical environment-protective.Centrifugal high temperature heat pump using steam turbine as driving device, saves high-grade electric energy, and efficiency is higher.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of an embodiment of centrifugal high temperature heat pump of the invention；
Fig. 2 is the structural schematic diagram of another embodiment of centrifugal high temperature heat pump of the invention；
Fig. 3 is the structural schematic diagram of the another embodiment of centrifugal high temperature heat pump of the invention.
Description of symbols:
1 compound compressor, 10 shells, 11 rotation axis, 12 one stage impellers, 13 sencond stage impellers, 14 three-level impellers, 2 driving dresses
It sets, 20 motors, 21 steam turbines, 30 first vapor-water heat exchangers, 31 second vapor-water heat exchangers, 32 third vapor-water heat exchangers, 33 the 4th
Vapor-water heat exchanger, 40 first throttling devices, 41 second throttling devices, 42 third throttling sets, 43 the 4th throttling sets, 50 first
Liquid-jet device, 51 first condensate pumps, 52 first liquid collectors, 53 second liquid-jet devices, 54 second condensate pumps, 55 second collection
Liquid device.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, right with reference to the accompanying drawings and embodiments
The centrifugal high temperature heat pump of the present invention is further elaborated.It should be appreciated that specific embodiment described herein only to
It explains the present invention, is not intended to limit the present invention.
Referring to Fig. 1, the embodiment of the present invention provides a kind of centrifugal high temperature heat pump, including compound compressor 1, driving device 2
With N number of vapor-water heat exchanger 3.Compound compressor 1 includes shell 10, the rotation axis 11 being arranged in shell 10 and is fixed on rotation axis
N number of impeller on 11.It is N sections that shell 10, which divides, is both provided with an impeller in every piece housing, every piece housing and is located at every piece housing
Interior impeller constitutes the level-one of compound compressor, and one end that rotation axis 11 passes through shell 10 connect with driving device 2, can drive
Rotated under the drive of dynamic device 2, every level-one of compound compressor 1 all corresponds to a steam-water heat exchanging, and with corresponding steam-water heat exchanging
Device is connected to, and is sequentially communicated between N number of vapor-water heat exchanger, wherein N is the integer more than or equal to 3.
Centrifugal high temperature heat pump of the invention, driving device 2 drive rotation axis 11 to rotate, and the rotation of rotation axis 1 drives N number of leaf
The tandem working of wheel, after the lack of gas after power generation enter compound compressor 1, the one stage impeller in compound compressor 1 carries out lack of gas
One stage of compression, compressed vapor portion enter in the corresponding vapor-water heat exchanger of one stage impeller, with one in the vapor-water heat exchanger
Secondary water exchanges heat, and another part, which enters, carries out two-stage compression in sencond stage impeller, and the vapor portion after carrying out two-stage compression enters
In the corresponding vapor-water heat exchanger of sencond stage impeller, heat exchanger is carried out with a water in the vapor-water heat exchanger, another part enters three
Three stage compression is carried out in grade impeller, and so on, at least progress three stage compression and heat exchange is realized and is heated to a water cascade, make
It obtains diabatic process more to match, heat exchange efficiency is higher.Also, centrifugal high temperature heat pump of the invention only carries out in vapor-water heat exchanger
One condensing heat-exchange, heat transfer process is few, and thermal loss is few, the Energy Efficiency Ratio of centrifugal high temperature heat pump can be improved 10% or more.Its
In, the corresponding vapor-water heat exchanger of the first order of compound compressor 1 is equipped with a water water inlet, and one time water passes through the water inlet stream
Enter in vapor-water heat exchanger, N grades of corresponding vapor-water heat exchangers of compound compressor are equipped with a water water outlet, add by multistage
A water after heat is flowed out by the water outlet.Be sequentially communicated between multiple vapor-water heat exchangers, after being exchanged heat a water according to
It is secondary to be flowed into vapor-water heat exchanger thereafter, until flowing out temperature most in N grades of corresponding vapor-water heat exchangers of compound compressor
A high water reaches the heating higher effect of leaving water temperature, realizes efficient long-distance sand transport hot water.Wherein, lack of gas enter
The position of compound compressor is the first order of compound compressor.The shell 10 of compound compressor is tubular structure, and impeller is in shell
Sequentially it is arranged at equal intervals in 10, the shell where each impeller and each impeller constitutes the level-one of compound compressor.
Wherein, it should be noted that centrifugal high temperature heat pump of the invention directly compresses the lack of gas after power generation,
Waste heat after taking full advantage of vapor power generation, reaches energy-saving and environment-friendly effect.
As an embodiment, throttling set is both provided on the return line of each vapor-water heat exchanger.Throttling dress
It is equipped with the effect of cooling, decompression, return line connection vapor-water heat exchanger and boiler, the condensed water after heat exchange are dropped through throttling set
Back boiler is conveyed after temperature, decompression.
Referring to Fig. 1, in one of the embodiments, in compound compressor there are three impeller, respectively one stage impeller 12, two
Grade impeller 13 and three-level impeller 14, compound compressor are divided into three sections, and the shell where one stage impeller 12 and one stage impeller 12 is constituted
Shell where the first order of compressor, sencond stage impeller 13 and sencond stage impeller 13 constitutes the second level of compressor, three-level impeller 14
The third level of compressor, the vapor-water heat exchanger being connected to the first order of compound compressor are constituted with the shell where three-level impeller 14
For the first vapor-water heat exchanger 30, the vapor-water heat exchanger being connected to the second level of compound compressor is the second vapor-water heat exchanger 31, with
The vapor-water heat exchanger of the third level connection of compound compressor is third vapor-water heat exchanger 32, the return pipe of the first vapor-water heat exchanger 30
Road is provided with first throttling device 40, and the condensed water in the first vapor-water heat exchanger 30 cools down by first throttling device 40, subtracts
Boiler is returned after pressure；Second throttling device 41, the second vapor-water heat exchanger are provided on the return line of second vapor-water heat exchanger 31
Condensed water in 31 returns to boiler after the cooling of second throttling device 41, decompression；The return line of third vapor-water heat exchanger 32
On be provided with third throttling set 42, the condensed water in third vapor-water heat exchanger 32 by third throttling set 42 cooling, decompression
Afterwards, boiler is returned.
It as an embodiment, further include the n-th grade of corresponding vapor-water heat exchanger and multistage for being connected to compound compressor
The cooling device of (n+1)th grade of shell of compressor, wherein 1≤n≤N-1.
As an embodiment, cooling device includes liquid-jet device, condensate pump and hydrojet loop.Liquid-jet device is set
Set in (n+1)th grade of shell of compound compressor, hydrojet loop be connected to compound compressor n-th grade of corresponding vapor-water heat exchanger and
The intracorporal liquid-jet device of (n+1)th grade of shell, condensate pump are arranged in hydrojet loop.
As an embodiment, cooling device further includes liquid collector sum aggregate liquid pipeline.Liquid collector is arranged more
In (n+1)th grade of shell of grade compressor, and it is located at below liquid-jet device, n-th grade of correspondence of liquid collecting pipeline connection compound compressor
Vapor-water heat exchanger and liquid collector.
Cooling device is for cooling down to compressed gases at different levels in compound compressor.Its implementation is as follows: cold
Condensate pump pumps out the condensed water in vapor-water heat exchanger, is transported to liquid-jet device by hydrojet loop, enters pressure from liquid-jet device
In contracting machine, cool down to compressed gas, extra water returns to corresponding carbonated drink by liquid collector sum aggregate liquid pipeline and changes
In hot device.Preferably, the top of the respective stages shell of compound compressor is arranged in liquid-jet device, to pressure when spraying convenient for condensed water
The gas of contracting cools down.Liquid-jet device is the structure of similar shower head.
Preferably, the value of N is 3 in one of the embodiments,.Below in conjunction with N value be 3 centrifugal high temperature heat pump into
Row detailed description:
Referring to fig. 2, the compound compressor of Fig. 3, centrifugal high temperature heat pump include three impellers, respectively one stage impeller 12,
Sencond stage impeller 13 and three-level impeller 14, compound compressor are divided into three sections, the shell structure where one stage impeller 12 and one stage impeller 12
At the first order of compressor, the shell where sencond stage impeller 13 and sencond stage impeller 13 constitutes the second level of compressor, three-level impeller
14 and three-level impeller 14 where shell constitute the third level of compressor, the steam-water heat exchanging being connected to the first order of compound compressor
Device is the first vapor-water heat exchanger 30, and the vapor-water heat exchanger being connected to the second level of compound compressor is the second vapor-water heat exchanger 31,
The vapor-water heat exchanger being connected to the third level of compound compressor is third vapor-water heat exchanger 32.The second level shell of compound compressor
Interior top is equipped with the first liquid-jet device 50, and the first liquid-jet device 50 is connected by the first hydrojet loop and the first vapor-water heat exchanger 30
Logical, the first hydrojet loop is equipped with the first condensate pump 51, for the condensed water in the first vapor-water heat exchanger 30 to be pumped out to the
In one liquid-jet device 50, the lower section of the first liquid-jet device 50 is equipped with the first liquid collector 52, and the first liquid collector 52 passes through first
Liquid collecting circuit is connected to the first vapor-water heat exchanger 30.The intracorporal top of third level shell of compound compressor is equipped with the second liquid-jet device
53, the second liquid-jet device 53 is connected to by the second hydrojet loop with the second vapor-water heat exchanger 31, and the second hydrojet loop is equipped with the
Two condensate pumps 54, for the condensed water in the second vapor-water heat exchanger 31 to be pumped out in the second liquid-jet device 53, the second hydrojet
The lower section of device 53 is equipped with the second liquid collector 55, and the second liquid collector 55 passes through the second liquid collecting circuit and the second vapor-water heat exchanger
31 connections.Wherein, the first vapor-water heat exchanger 30 is equipped with a water water inlet, the first vapor-water heat exchanger 30 and the second steam-water heat exchanging
Device 31 is connected to, and the second vapor-water heat exchanger 31 is connected to third vapor-water heat exchanger 32, and third vapor-water heat exchanger 32 is equipped with a water
Water outlet.
After lack of gas after power generation enter the first order of compound compressor 1, one stage impeller 12 carries out one stage of compression, pressure to lack of gas
Vapor portion after contracting enters in the first vapor-water heat exchanger 30, with by a water water inlet on the first vapor-water heat exchanger 30 into
The water entered exchanges heat, and another part of compressed steam enters sencond stage impeller 13 and carries out two-stage compression, is carrying out two
Before grade compression, the first condensate pump 51 pumps out the condensed water in the first vapor-water heat exchanger 30 to the by the first hydrojet loop
One liquid-jet device 50 enters the second level of compound compressor from the first liquid-jet device 50, drops to the gas after one stage of compression
Temperature, extra condensed water are returned in the first vapor-water heat exchanger 30 by the first liquid collector 52 and the first liquid collecting circuit, the first vapour
A water flow in water- to-water heat exchanger 30 enters in the second vapor-water heat exchanger 31.Correspondingly, 13 pairs of sencond stage impeller cooling after gas into
Row two-stage compression, compressed vapor portion enters in the second vapor-water heat exchanger 31, and primary in the second vapor-water heat exchanger 31
Water exchanges heat, another part of compressed steam enter three-level impeller 14 carry out three stage compression, carry out three stage compression it
Before, the second condensate pump 54 pumps out the condensed water in the second vapor-water heat exchanger to the second liquid-jet device by the second hydrojet loop
53, the third level of compound compressor is entered from the second liquid-jet device 53, is cooled down to the gas after two-stage compression, extra is cold
Condensate is returned in the second vapor-water heat exchanger 31 by the second liquid collector 55 and the second liquid collecting circuit, in the second vapor-water heat exchanger 31
A water flow enter in third vapor-water heat exchanger 32.Three-level impeller 14 carries out three stage compression to the compressed gas of sencond stage impeller,
Compressed gas fully enters in third vapor-water heat exchanger 32, exchanges heat with a water in third vapor-water heat exchanger 32,
It is resident or industrial heating that a water after heat exchange is flowed out by a water water outlet.
As an embodiment, driving device 2 is motor 20 or steam turbine 21.Driving device is entire centrifugal height
Warm pump provides power.When driving device 2 is steam turbine 21, high temperature heat pump further includes the N+1 vapour being connected to steam turbine 21
Water- to-water heat exchanger, the vapor-water heat exchanger connection corresponding with N grades of compound compressor of N+1 vapor-water heat exchanger.N+1 steam-water heat exchanging
The return line of device is equipped with throttling set.
Fig. 2 show the centrifugal high temperature heat pump that driving device 2 is motor 20, and it is steam turbine that Fig. 3, which show driving device 2,
21 centrifugal high temperature heat pump.Wherein, steam turbine 21 is to drive entire high temperature heat pump to operate using the lack of gas after power generation, Neng Goujie
About high-grade electric energy.Meanwhile the water to exchange heat by N grades enters in N+1 vapor-water heat exchanger, after driving steam turbine 21
Lack of gas also enter in N+1 vapor-water heat exchanger, further heat a water, and a water after heating passes through N+1 steam-water heat exchanging
Water outlet outflow on device, is resident or industrial heating, and economical environment-protective improves heat exchange efficiency.
Referring to Fig. 3, if driving device 2 is steam turbine 21, when N is 3, the 4th vapor-water heat exchanger 33 and steam turbine 21 and third
Vapor-water heat exchanger 32 is connected to, and a water in third vapor-water heat exchanger 32 enters in the 4th vapor-water heat exchanger 33, driving steam turbine
Lack of gas after 21 also enter in the 4th vapor-water heat exchanger 33, further add to a water in the 4th vapor-water heat exchanger 33
Heat, economical environment-protective improve efficiency.At this point, a water water outlet is arranged on the 4th vapor-water heat exchanger 33, for it will heat after
One time water is confessed.The 4th throttling set 43, the 4th vapor-water heat exchanger 33 are additionally provided on the return line of 4th vapor-water heat exchanger 33
After interior condensed water cools down by the 4th throttling set 43, depressurizes, return in boiler.
As an embodiment, shell 10 is tapering type step structure.Due to having some vapor after every second compression
Into in corresponding vapor-water heat exchanger, the steam for carrying out junior's compression is reduced, and shell is tapering type step structure, can effectively be mentioned
The compression efficiency of high compound compressor 1.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Protect range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (8)
1. a kind of centrifugal high temperature heat pump, which is characterized in that including compound compressor (1), driving device (2) and N number of carbonated drink are changed
Hot device；
The compound compressor (1) includes shell (10), and rotation axis (11) in the shell (10) is arranged and is fixed on institute
State N number of impeller on rotation axis (11)；
The shell (10) is divided into N sections, is both provided with an impeller in every piece housing, every piece housing and is located at described every section
The intracorporal impeller of shell constitutes the level-one of the compound compressor；
One end that the rotation axis (11) passes through the shell (10) is connect with the driving device (2), can be in the driving
It is rotated under the drive of device；
Every level-one of the compound compressor (1) all correspond to a vapor-water heat exchanger, and with the corresponding steam-water heat exchanging
Device connection；
It is sequentially communicated between N number of vapor-water heat exchanger；
Wherein, N is the integer more than or equal to 3；
It is characterized in that, further including the n-th grade of corresponding vapor-water heat exchanger and (n+1)th grade of shell for being connected to the compound compressor
Cooling device, the cooling device is for cooling down to n-th grade of compressed gas of the compound compressor；
Wherein, 1≤n≤N-1；
Throttling set is both provided on the return line of each vapor-water heat exchanger.
2. centrifugal high temperature heat pump according to claim 1, which is characterized in that the cooling device includes liquid-jet device,
Condensate pump and hydrojet loop；
The liquid-jet device is arranged in (n+1)th grade of shell of the compound compressor；
The hydrojet loop is connected to the n-th grade of corresponding vapor-water heat exchanger and (n+1)th grade of shell of the compound compressor
The intracorporal liquid-jet device；
The condensate pump is arranged in the hydrojet loop.
3. centrifugal high temperature heat pump according to claim 2, which is characterized in that the cooling device further includes liquid collector
Sum aggregate liquid pipeline；
The liquid collector is arranged in (n+1)th grade of shell of the compound compressor, and is located at below the liquid-jet device；
The corresponding vapor-water heat exchanger of n-th grade of compound compressor described in the liquid collecting pipeline connection and the liquid collector.
4. centrifugal high temperature heat pump according to claim 1, which is characterized in that the driving device (2) is motor (20)
Or steam turbine (21).
5. centrifugal high temperature heat pump according to claim 4, which is characterized in that further include be connected to the steam turbine
N+1 vapor-water heat exchanger；
N+1 vapor-water heat exchanger vapor-water heat exchanger connection corresponding with N grades of the compound compressor.
6. centrifugal high temperature heat pump according to claim 5, which is characterized in that the reflux of the N+1 vapor-water heat exchanger
Throttling set is provided on pipeline.
7. centrifugal high temperature heat pump according to any one of claims 1 to 6, which is characterized in that the shell (10) is gradually
Contracting formula step structure.
8. centrifugal high temperature heat pump according to any one of claims 1 to 6, which is characterized in that the value of the N is 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710697592.0A CN107560231B (en) | 2015-04-13 | 2015-04-13 | Centrifugal high temperature heat pump |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510173274.5A CN104764251B (en) | 2015-04-13 | 2015-04-13 | Centrifugal high temperature heat pump |
| CN201710697592.0A CN107560231B (en) | 2015-04-13 | 2015-04-13 | Centrifugal high temperature heat pump |
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| CN201510173274.5A Division CN104764251B (en) | 2015-04-13 | 2015-04-13 | Centrifugal high temperature heat pump |
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| CN107560231A CN107560231A (en) | 2018-01-09 |
| CN107560231B true CN107560231B (en) | 2019-07-26 |
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| CN201510173274.5A Active CN104764251B (en) | 2015-04-13 | 2015-04-13 | Centrifugal high temperature heat pump |
| CN201710697592.0A Active CN107560231B (en) | 2015-04-13 | 2015-04-13 | Centrifugal high temperature heat pump |
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- 2015-04-13 CN CN201710697592.0A patent/CN107560231B/en active Active
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| CN107606818A (en) * | 2015-04-13 | 2018-01-19 | 珠海格力电器股份有限公司 | Centrifugal high temperature heat pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107606818A (en) | 2018-01-19 |
| CN107560231A (en) | 2018-01-09 |
| CN104764251A (en) | 2015-07-08 |
| CN107606818B (en) | 2019-08-02 |
| CN104764251B (en) | 2017-07-25 |
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