CN109631414A - A kind of absorption/compression mixture circulatory system that separate machine is cooling - Google Patents
A kind of absorption/compression mixture circulatory system that separate machine is cooling Download PDFInfo
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- CN109631414A CN109631414A CN201811614991.7A CN201811614991A CN109631414A CN 109631414 A CN109631414 A CN 109631414A CN 201811614991 A CN201811614991 A CN 201811614991A CN 109631414 A CN109631414 A CN 109631414A
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- heat exchanger
- exchanger channels
- flow path
- cooler
- absorber
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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
- F25B25/00—Machines, plants or systems, using a combination of modes of operation covered by two or more of the groups F25B1/00 - F25B23/00
- F25B25/02—Compression-sorption machines, plants, or systems
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Sorption Type Refrigeration Machines (AREA)
Abstract
The present invention relates to a kind of cooling absorption/compression mixture circulatory systems of separate machine, including generator (1), absorber (2) and steam compression cycle (6), the second solution flow path (3) is equipped between the second heat exchanger channels of the second heat exchanger channels of generator and absorber, refrigerant flow path (4) and the first solution flow path (5), the first cooler (41) and the second cooler (42) are equipped in refrigerant flow path (4), second the second heat exchanger channels of cooler are connected in steam compression cycle (6), the steam compression cycle (6) includes the second compressor (61) being sequentially connected in series, condenser (62) and the second expansion valve (63), compared with prior art, the present invention can also reduce compressor power consumption by cooling down compressor air suction temperature step by step, and then it improves system and heats COP.
Description
Technical field
The present invention relates to heat-pump apparatus technical fields, mix more particularly, to a kind of cooling absorption of separate machine/compression
The circulatory system.
Background technique
With the fast development of global economy, energy crisis environmental pollution is got worse, and exploitation high-efficiency cleaning takes thermal technology
Become very urgent.Hot mode is taken as novel, heat pump is due to there are the advantages such as higher energy efficiency and simple structure feature to obtain extensively
General concern.Heat pump techniques more mature at present are mechanical vapor compression heat pump techniques and sorption type heat pump technology.
For mechanical vapor compression cooling/heating pump circulation, it is currently limited by the factors such as refrigerant, circulation and component, system
Efficiency and range of operation are subject to certain restrictions.Highest supply water temperature is generally below 90 DEG C, it is difficult to break through 100 DEG C.Because excessively high
Condensation temperature make compressor overload operation, cause that compressor exhaust temperature is excessively high, even results in compressor shutdown, be simultaneously
Controlling heat and COP also sharply decline.For producing 100 DEG C or more of hot water or steam, heat pump techniques more mature at present are
Absorption heat transformer, but temperature-heat-source (80 DEG C of spent hot waters) in utilization is needed to drive, the scope of application is extremely limited.In addition, being
The COP of the current heat pump cycle of raising, researcher propose a kind of absorption/compression mixing circulation, as shown in Figure 1, being referred to as
First absorption/compression mixing circulation, however for the circulation, when operating in high temperature heating condition (heating temperature is greater than 100 DEG C)
When, compressor exhaust temperature can significantly rise, it is difficult to choose suitable compressor.
Summary of the invention
It is cooling that it is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide a kind of separate machines
Absorption/compression mixture circulatory system.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of absorption/compression mixing circulation that separate machine is cooling, including generator, absorber and steam compression cycle,
The generator includes the second heat exchanger channels of the first heat exchanger channels of generator and generator, and the absorber includes absorber
The second heat exchanger channels of first heat exchanger channels and absorber, first heat exchanger channels of generator be used to absorb heat from low-temperature end and incite somebody to action
Heat transfer is to the second heat exchanger channels of absorber, between second heat exchanger channels of the second heat exchanger channels of generator and absorber
Equipped with the second solution flow path, refrigerant flow path and the first solution flow path, second heat exchanger channels of generator are used for refrigerant
The evaporation of concentrated solution generates refrigerant weak solution and refrigerant gas, and passes through the second solution flow path and refrigerant flow path respectively
It flows to and converges at the second heat exchanger channels of absorber, so that refrigerant weak solution absorbs refrigerant gas, it is dense molten to obtain refrigerant
Liquid is simultaneously back to the second heat exchanger channels of generator by the first solution flow path, and first heat exchanger channels of absorber are used for from suction
It receives and obtains heat in the second heat exchanger channels of device and heat temperature end, be equipped with the first cooler and second in the refrigerant flow path
Cooler, second cooler include second the first heat exchanger channels of cooler and second the second heat exchanger channels of cooler, institute
Second the first heat exchanger channels of cooler stated are connected in refrigerant flow path, second the second heat exchanger channels of cooler connection
In steam compression cycle, and cooling capacity is absorbed from steam compression cycle, the steam compression cycle includes being sequentially connected in series
One end of second compressor, condenser and the second expansion valve, second compressor is connect with condenser, the other end and second
The outlet ends of the second heat exchanger channels of cooler connects, and one end of second expansion valve is connect with condenser, the other end and the
The arrival end of two the second heat exchanger channels of cooler connects.
Further, further include the first compressor in the refrigerant flow path, one end of first compressor with
The arrival end of the second heat exchanger channels of absorber connects, and the other end is connect with the outlet end of the second cooler, and generator second exchanges heat
The refrigerant gas generated in channel passes sequentially through inflow absorber after the first cooler, the second cooler and the first compressor
Two heat exchanger channels.
Further, first cooler is using normal-temperature water as cold source.
Further, the cooling absorption/compression mixing circulation of the separate machine further includes Intermediate Heat Exchanger, described
Intermediate Heat Exchanger includes the first heat exchanger channels of Intermediate Heat Exchanger being connected in the first solution flow path and is connected to the second solution stream
The second heat exchanger channels of Intermediate Heat Exchanger in road.
Further, it is equipped with solution pump in the second solution flow path, one end of the solution pump and generator the
The outlet of two heat exchanger channels connects, and the other end is connect with the arrival end of the second heat exchanger channels of Intermediate Heat Exchanger, and the centre is changed
The outlet end of hot the second heat exchanger channels of device is connect with the arrival end of the second heat exchanger channels of absorber.
Further, condensate liquid circuit, the condensation are equipped between the refrigerant flow path and the second solution flow path
The one end in liquid circuit is connected to the outlet end of the first cooler and the outlet end of the second cooler, and the other end is connected to solution
The arrival end of pump.Condensate liquid circuit is used for the refrigerant condensate liquid that will be generated in the first cooler and the second cooler cooling procedure
It is input to before the solution pump of the second solution flow path.
Further, the first expansion valve is equipped in the first solution flow path, one end of first expansion valve connects
It is connected to the arrival end of the second heat exchanger channels of generator, the other end is connected to the arrival end of the first heat exchanger channels of Intermediate Heat Exchanger, institute
The outlet end for the first heat exchanger channels of Intermediate Heat Exchanger stated is connect with the outlet end of the second heat exchanger channels of absorber.
Mixing circulation is absorbed/compresses compared to traditional first kind, the technology of the present invention increases two on refrigerant flow path
Cooler reduces compressor air suction temperature step by step, meets high temperature heat pump operating condition so as to use Conventional press.Wherein
Surrounding air can be used in one cooler or cooling water is cooled down, and the second cooler is cooling using vapor-compression cycle, generator
The saturation refrigerant vapour of generation is cooled to environment temperature by the first cooler first, then flows to the second cooler and carries out depth
It is cooling, since refrigerant gas temperature is gradually lowered in two coolers, it can then generate a part of condensate liquid, condensate liquid
Solution pump intake is backed within through condensate liquid circuit, so also solves and generates condensate liquid in refrigerant flow path after depth cools down
Defect.
In addition, Conventional press not only can be used and meet high temperature heat pump work by cooling down compressor air suction temperature step by step
Condition, and compressor power consumption can be reduced, and then improve system and heat COP.
Detailed description of the invention
Fig. 1 is that the first kind in the prior art absorbs/compress mixing circulation structural schematic diagram；
Fig. 2 is absorption/compression mixture circulatory system structural schematic diagram that separate machine is cooling in the present invention.
In figure: 1, generator, 2, absorber, the 3, second solution flow path, 4, refrigerant flow path, the 5, first solution flow path, 6,
Absorption refrigeration circulation, 7, condensate liquid circuit, 8, Intermediate Heat Exchanger, 31, solution pump, the 41, first cooler, the 42, second cooler,
43, the first compressor, the 51, first expansion valve, the 61, second compressor, 62, condenser, the 63, second expansion valve.
Specific embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment
Cooling absorption/compression the mixing circulation of separate machine includes generator 1, absorber 2 and steam compression cycle 6, ginseng
See Fig. 2.
Generator 1 includes the second heat exchanger channels of the first heat exchanger channels of generator and generator, and the absorber 2 includes inhaling
The first heat exchanger channels of device and the second heat exchanger channels of absorber are received, first heat exchanger channels of generator are used to absorb heat from low-temperature end
And the second heat exchanger channels of absorber are transferred heat to, second heat exchanger channels of generator and the second heat exchanger channels of absorber
Between be equipped with the second solution flow path 3, refrigerant flow path 4 and the first solution flow path 5, referring to fig. 2, the generator second exchanges heat
Channel is used for the evaporation of refrigerant concentrated solution, generates refrigerant weak solution and refrigerant gas, and passes through the second solution stream respectively
Road 3 and refrigerant flow path 4 flow to be converged at the second heat exchanger channels of absorber, so that refrigerant weak solution inhales refrigerant gas
It receives, obtain refrigerant concentrated solution and the second heat exchanger channels of generator is back to by the first solution flow path 5, absorber first exchanges heat
Channel is for obtaining heat from the second heat exchanger channels of absorber and heating temperature end.
Refrigerant flow path 4: being provided with the first cooler 41 and the second cooler 42, and referring to fig. 2, described second is cooling
Device 42 includes second the first heat exchanger channels of cooler and second the second heat exchanger channels of cooler, and second cooler first changes
The passage of heat is connected in refrigerant flow path 4, and second second heat exchanger channels of cooler are connected in steam compression cycle 6,
And cooling capacity is absorbed from steam compression cycle 6, the steam compression cycle 6 includes the second compressor 61, cold being sequentially connected in series
One end of condenser 62 and the second expansion valve 63, second compressor 61 is connect with condenser 62, the other end and the second cooling
The outlet ends of the second heat exchanger channels of device connects, and one end of second expansion valve 63 is connect with condenser 62, the other end and the
The arrival end of two the second heat exchanger channels of cooler connects.It further include the first compressor 43, one end of first compressor 43
It is connect with the arrival end of the second heat exchanger channels of absorber, the other end is connect with the outlet end of the second cooler 42, generator second
The refrigerant gas generated in heat exchanger channels flows after passing sequentially through the first cooler 41, the second cooler 42 and the first compressor 43
Enter the second heat exchanger channels of absorber.First cooler 41 is using normal-temperature water as cold source.
Intermediate Heat Exchanger 8: the Intermediate Heat Exchanger 8 includes the Intermediate Heat Exchanger the being connected in the first solution flow path 5
One heat exchanger channels and the second heat exchanger channels of Intermediate Heat Exchanger being connected in the second solution flow path 3.
Second solution flow path 3: being provided with solution pump 31, and one end of the solution pump 31 and the heat exchange of generator second are logical
The outlet in road connects, and the other end is connect with the arrival end of the second heat exchanger channels of Intermediate Heat Exchanger, the Intermediate Heat Exchanger second
The outlet end of heat exchanger channels is connect with the arrival end of the second heat exchanger channels of absorber.
Condensate liquid circuit 7: condensate liquid circuit 7, the condensation are equipped between refrigerant flow path 4 and the second solution flow path 3
The one end in liquid circuit 7 is connected to the outlet end of the first cooler 41 and the outlet end of the second cooler 42, other end connection
In the arrival end of solution pump 31.Condensate liquid circuit 7 in 42 cooling procedure of the first cooler 41 and the second cooler for will generate
Refrigerant condensate liquid be input to before the solution pump 31 of the second solution flow path 3.
First solution flow path 5: being provided with the first expansion valve 51, and one end of first expansion valve 51 is connected to generation
The arrival end of the second heat exchanger channels of device, the other end are connected to the arrival end of the first heat exchanger channels of Intermediate Heat Exchanger, the centre
The outlet end of the first heat exchanger channels of heat exchanger is connect with the outlet end of the second heat exchanger channels of absorber.
The first kind absorbs/compresses mixing circulation operation working medium to being chosen as ammonia spirit and lithium bromide water in the present embodiment
Solution etc..Operation working medium in vapor-compression cycle 6 is chosen as refrigerant ammonia, R134a, R600a, R22 and R410A etc..Occur
There is one group of heat exchanger tube inside device and absorber, is respectively used to circulation cryogen and high temperature fluid.
With ammonia spirit working medium to being illustrated:
A, endothermic process occurs for 1 low pressure of generator: the cryogen in the first heat exchanger channels of generator is added by heat exchanger tube
The refrigerant concentrated solution flowed back in the second heat exchanger channels of heater from absorber 2, the ammonia in refrigerant concentrated solution solution are continuous
Gasification, refrigerant solution concentration is by dense thinning, and corresponding saturation temperature is from Tg1It is increased to Tg2, formation temperature sliding, then generate
Refrigerant weak solution through the second solution flow path 3 by solution pump 31 pressurize after flow to absorber 2.
B, compressor compresses and steam compressed cooling procedure: the saturation ammonia that generator generates is first by the first cooler 41
It is cooled to environment temperature, then flows to and carries out depth cooling in the second cooler 42.The cooling condensate liquid generated is through condensing twice
Liquid circuit 7 returns to the entrance of solution pump 31.Later, the ammonia that process cools down twice is compressed into high temperature height by the first compressor 43
Pressure condition, then inflow absorber 2.Cooling capacity needed for second cooler 42 is followed from steam compression cycle 6 in both vapor compression
In ring 6, the second expansion valve 63 will input second the second heat exchanger channels of cooler after refrigerant expenditure and pressure, cold by second wherein
But the heat of the first heat exchanger channels of device kind, evaporation become refrigerant gas, and refrigerant gas enters the second compressor later
61, enter in condenser 62 by compressed refrigerant and be condensed into refrigerant liquid, stream returns the second expansion valve 63 later.
C, absorber high pressure absorbs exothermic process: the high temperature and pressure ammonia from compressor is dilute by the ammonia from generator
Solution is absorbed, and the concentration of ammonia spirit is thickened by dilute at this time, and corresponding saturation temperature is from Ta1It is reduced to Ta2, then concentrated solution
Generator is flowed to after the throttling of the first solution flow path inflated valve 1.The heat of absorption process release is by the high temperature fluid of heat exchanger tube
It takes away.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by anyone skilled in the art,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with scope of protection of the claims
Subject to.
Claims (7)
1. a kind of cooling absorption/compression mixture circulatory system of separate machine, which is characterized in that including generator (1), absorber
(2) and steam compression cycle (6), the generator (1) include that the first heat exchanger channels of generator and the heat exchange of generator second are logical
Road, the absorber (2) include the second heat exchanger channels of the first heat exchanger channels of absorber and absorber, the generator first
Heat exchanger channels exchange heat for the second heat exchanger channels of absorber, the generator second to be absorbed heat and transferred heat to from low-temperature end
The second solution flow path (3), refrigerant flow path (4) and the first solution flow path are equipped between the second heat exchanger channels of channel and absorber
(5), second heat exchanger channels of generator are used for the evaporation of refrigerant concentrated solution, generate refrigerant weak solution and refrigerant gas
Body, and flow to and converge at the second heat exchanger channels of absorber by the second solution flow path (3) and refrigerant flow path (4) respectively, so that
Refrigerant weak solution absorbs refrigerant gas, obtains refrigerant concentrated solution and is back to generation by the first solution flow path (5)
The second heat exchanger channels of device, first heat exchanger channels of absorber from the second heat exchanger channels of absorber for obtaining heat and adding
Hot temperature end is equipped with the first cooler (41) and the second cooler (42) in the refrigerant flow path (4), and described second is cold
But device (42) includes second the first heat exchanger channels of cooler and second the second heat exchanger channels of cooler, second cooler the
One heat exchanger channels are connected in refrigerant flow path (4), and second second heat exchanger channels of cooler are connected to both vapor compression and follow
In ring (6), and cooling capacity is absorbed from steam compression cycle (6), the steam compression cycle (6) includes second be sequentially connected in series
Compressor (61), condenser (62) and the second expansion valve (63), one end and condenser (62) of second compressor (61)
Connection, the other end connect with the outlet end of second the second heat exchanger channels of cooler, one end of second expansion valve (63) and
Condenser (62) connection, the other end are connect with the arrival end of second the second heat exchanger channels of cooler.
2. a kind of cooling absorption/compression mixture circulatory system of separate machine according to claim 1, which is characterized in that
It further include the first compressor (43) in the refrigerant flow path (4), one end of first compressor (43) and absorber
The arrival end of second heat exchanger channels connects, and the other end is connect with the outlet end of the second cooler (42), and the heat exchange of generator second is logical
The refrigerant gas generated in road passes sequentially through the first cooler (41), the second cooler (42) and the first compressor (43) and flows afterwards
Enter the second heat exchanger channels of absorber.
3. a kind of cooling absorption/compression mixture circulatory system of separate machine according to claim 1, which is characterized in that
First cooler (41) is using normal-temperature water as cold source.
4. a kind of cooling absorption/compression mixture circulatory system of separate machine according to claim 1, which is characterized in that
Cooling absorption/compression the mixing circulation of the separate machine further includes Intermediate Heat Exchanger (8), the Intermediate Heat Exchanger (8)
Including the first heat exchanger channels of Intermediate Heat Exchanger being connected in the first solution flow path (5) and it is connected in the second solution flow path (3)
The second heat exchanger channels of Intermediate Heat Exchanger.
5. a kind of cooling absorption/compression mixture circulatory system of separate machine according to claim 4, which is characterized in that
Solution pump (31) are equipped in the second solution flow path (3), one end of the solution pump (31) and generator second exchange heat
The outlet in channel connects, and the other end is connect with the arrival end of the second heat exchanger channels of Intermediate Heat Exchanger, the Intermediate Heat Exchanger the
The outlet end of two heat exchanger channels is connect with the arrival end of the second heat exchanger channels of absorber.
6. a kind of cooling absorption/compression mixture circulatory system of separate machine according to claim 5, which is characterized in that
Condensate liquid circuit (7) are equipped between the refrigerant flow path (4) and the second solution flow path (3), the condensate liquid circuit (7)
One end be connected to the outlet end of the first cooler (41) and the outlet end of the second cooler (42), the other end is connected to molten
The arrival end of liquid pump (31).
7. a kind of cooling absorption/compression mixture circulatory system of separate machine according to claim 4, which is characterized in that
The first expansion valve (51) are equipped in the first solution flow path (5), one end of first expansion valve (51) is connected to hair
The arrival end of raw the second heat exchanger channels of device, the other end are connected to the arrival end of the first heat exchanger channels of Intermediate Heat Exchanger, it is described in
Between the outlet ends of the first heat exchanger channels of heat exchanger connect with the outlet end of the second heat exchanger channels of absorber.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811614991.7A CN109631414A (en) | 2018-12-27 | 2018-12-27 | A kind of absorption/compression mixture circulatory system that separate machine is cooling |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811614991.7A CN109631414A (en) | 2018-12-27 | 2018-12-27 | A kind of absorption/compression mixture circulatory system that separate machine is cooling |
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| CN109631414A true CN109631414A (en) | 2019-04-16 |
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| CN201811614991.7A Pending CN109631414A (en) | 2018-12-27 | 2018-12-27 | A kind of absorption/compression mixture circulatory system that separate machine is cooling |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110173929A (en) * | 2019-04-29 | 2019-08-27 | 同济大学 | A kind of absorption of band machinery recuperation of heat-compression mixture circulatory system and working method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060080985A1 (en) * | 2004-10-19 | 2006-04-20 | Denso Corporation | Vapor compression refrigerating apparatus |
| CN101886855A (en) * | 2009-05-14 | 2010-11-17 | 穆道仓 | Pressure-and-suction type refrigerating system |
| CN105299944A (en) * | 2015-11-05 | 2016-02-03 | 谭洪德 | Full-liquid type central air conditioning system |
| CN108954904A (en) * | 2018-04-25 | 2018-12-07 | 同济大学 | A kind of boosting type heat chemistry adsorption heat pump device |
-
2018
- 2018-12-27 CN CN201811614991.7A patent/CN109631414A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060080985A1 (en) * | 2004-10-19 | 2006-04-20 | Denso Corporation | Vapor compression refrigerating apparatus |
| CN101886855A (en) * | 2009-05-14 | 2010-11-17 | 穆道仓 | Pressure-and-suction type refrigerating system |
| CN105299944A (en) * | 2015-11-05 | 2016-02-03 | 谭洪德 | Full-liquid type central air conditioning system |
| CN108954904A (en) * | 2018-04-25 | 2018-12-07 | 同济大学 | A kind of boosting type heat chemistry adsorption heat pump device |
Non-Patent Citations (1)
| Title |
|---|
| 张建一: "《制冷装置节能技术》", 31 May 1999 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110173929A (en) * | 2019-04-29 | 2019-08-27 | 同济大学 | A kind of absorption of band machinery recuperation of heat-compression mixture circulatory system and working method |
| CN110173929B (en) * | 2019-04-29 | 2020-11-27 | 同济大学 | Absorption-compression mixed circulation system with mechanical heat recovery and working method |
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Application publication date: 20190416 |