CN101713598A - Absorption refrigerating machine - Google Patents
Absorption refrigerating machine Download PDFInfo
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- CN101713598A CN101713598A CN200910179161A CN200910179161A CN101713598A CN 101713598 A CN101713598 A CN 101713598A CN 200910179161 A CN200910179161 A CN 200910179161A CN 200910179161 A CN200910179161 A CN 200910179161A CN 101713598 A CN101713598 A CN 101713598A
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- heat
- absorption
- absorption liquid
- regenerator
- liquid pipe
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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
- F25B15/00—Sorption machines, plants or systems, operating continuously, e.g. absorption type
- F25B15/02—Sorption machines, plants or systems, operating continuously, e.g. absorption type without inert gas
- F25B15/06—Sorption machines, plants or systems, operating continuously, e.g. absorption type without inert gas the refrigerant being water vapour evaporated from a salt solution, e.g. lithium bromide
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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
- F25B37/00—Absorbers; Adsorbers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/62—Absorption based systems
Abstract
The invention provides a Absorption refrigerating machine, which can improve heat recovery efficiency of heat fluid that flows over the absorption refrigerating machine based on a structure of few components and simplified piping, particularly, can improve heat recovery efficiency of potential heat of heat fluid based on a structure of miniaturized heat recoverer that recovers heat from the heat fluid that flows over a high temperature regenerator. In the absorption refrigerating machine, a diluted absorption liquid tube through which the diluted absorption liquid flows from the absorption device to the high temperature regenerator is divided into a first diluted liquid tube and a second diluted liquid tube; in the first diluted liquid tube, heat fluid communicates the high temperature regenerator, the first heat recoverer, a steam trap and a second heat recoverer; the second diluted liquid tube is provided with a high temperature heat exchanger that exchanges heat with intermediate absorption liquid generated in the high temperature regenerator and a low temperature heat exchanger that exchanges heat with concentrated absorption liquid generated in the low temperature regenerator.
Description
Technical field
The present invention relates to a kind of absorption refrigerating machine (comprising absorption cooling and warming water machine) that is used for freezing/air-conditioning, particularly the double utility absorption refrigerating machine of steam burning.
Background technology
All the time, along with raising, more and more higher to the requirement of the high efficiency of machine to the degree of attentiveness of earth environment temperature.Particularly, for the refrigeration and heating facility or the commercial facility etc. of the long region duration of runs, this tendency is very remarkable, thirsts for improving mechanical efficiency.
And, with respect to this expectation, propose to have the technology (for example with reference to patent documentation 1) of the heat recovery efficiency that improves the heat source fluid that flows through in the comfortable absorption refrigerating machine.
But, because this technology is the thin liquid pipe branch and converging repeatedly of the thin liquid circulation that will supply with to high-temp regenerator from absorber, therefore, be difficult to be adjusted at the thin liquid of each the thin liquid pipe circulation after the branch, thus cost time.In addition, in order to make the absorption refrigerating machine high efficiency, need to improve the temperature efficiency of each solution heat exchanger, but if the temperature of dope reduces, then have the possibility of crystallization, existence can not improve the problem of the temperature efficiency of low temperature heat exchanger.In addition, if reduce subsidiary engine power and cut down the flow of cooling water, the temperature that then also has a described cooling water rises and problem that the pressure that causes turning round also rises.
Relative therewith, have the following formation that is used to solve above-mentioned problem, this formation is provided with low-pressure absorber and low pressure evaporator, high pressure absorber and high pressure evaporator.
Patent documentation 1:(Japan) spy opens the 2001-056160 communique
Patent documentation 2:(Japan) spy opens the 2005-300126 communique
But the formation of patent documentation 2 must be carried out the high pressure design to the steam pipe of heat source fluid circulation and from the heat recoverer that this heat source fluid carries out heat recovery, thus the problem that exists cost of manufacture to increase.
Summary of the invention
The present invention makes in view of the above problems, and its purpose is to provide a kind of technology, and the structure that this technology is few according to component parts and pipe arrangement is simplified can improve the heat recovery efficiency of the heat source fluid that flows through in the comfortable absorption refrigerating machine.Particularly, a kind of technology of heat recovery efficiency of the potentiality heat that can improve heat source fluid according to following structure is provided, and this structure will be divided into two heat recoverers at the heat source fluid of high-temp regenerator circulation and carry out heat recovery and can realize the miniaturization of heat recoverer.
The absorption refrigerating machine of first invention has: high-temp regenerator, and it circulates heat source fluid to heat rare absorption liquid, and generates refrigerant vapour and intermediate absorption fluid; Low-temperature regenerator, it utilizes the described refrigerant vapour that generates to heat described intermediate liquid again and generate refrigerant vapour and concentrated absorption solution; Condenser, it makes at the refrigerant vapour of described high-temp regenerator generation with at the refrigerant vapour that described low-temperature regenerator generates and converges and condensation, and with the refrigerating fluid of condensation converges by this low-temperature regenerator; Evaporimeter, it will be distributed to from the refrigerating fluid of described condenser on the cold water pipe and evaporation and can carry out cold and hot supply to heat load once more; Absorber, it makes from the concentrated absorption solution of described low-temperature regenerator and flows into and make refrigerant vapour from described evaporimeter to be absorbed by this concentrated absorption solution and generate rare absorption liquid, this absorption refrigerating machine is characterised in that, to be branched off into first rare absorption liquid pipe and second rare absorption liquid pipe to rare absorption liquid pipe that described high-temp regenerator is provided with communicatively and described rare absorption liquid circulates from described absorber, first rare absorption liquid pipe and second rare absorption liquid pipe are provided with communicatively to described high-temp regenerator respectively, and, the heat recoverer that carries out heat exchange at described first rare absorption liquid pipe setting and heat source fluid in the circulation of described high-temp regenerator, second rare absorption liquid pipe has and carries out the high-temperature heat exchanger of heat exchange and the low temperature heat exchanger that carries out heat exchange with the concentrated absorption solution that generates at described low-temperature regenerator at the intermediate absorption fluid that described high-temp regenerator generates, described heat recoverer is divided into first heat recoverer and these two of second heat recoverers at least and is provided with, circulate to described second heat recoverer in described first heat recoverer circulation and via steam trap (チ one system ト ラ Star プ) at the heat source fluid of described high-temp regenerator circulation.
The absorption refrigerating machine of second invention, on the basis of first invention, it is characterized in that, to the described absorber side of being located at the described heat recoverer on described first rare absorption liquid pipe cold-producing medium is set and discharges heat recoverer, discharge in heat recoverer circulation and the rare absorption liquid that flows to high-temp regenerator and in the low-temperature regenerator circulation and the condensed refrigerating fluid that dispels the heat carries out heat exchange in this first rare absorption liquid pipe at this cold-producing medium.
According to first invention, at least the heat recoverer that carries out heat exchange with heat source fluid in first rare absorption liquid pipe setting in high-temp regenerator circulation, second rare absorption liquid pipe has with the intermediate absorption fluid that generates at high-temp regenerator and carries out the high-temperature heat exchanger of heat exchange and the low temperature heat exchanger that carries out heat exchange with concentrated absorption solution in the warm regenerator generation of institute, the structure few according to component parts and pipe arrangement is simplified can improve the heat recovery efficiency of the heat source fluid that comfortable high-temp regenerator flows through.In addition, the adjustment of the thin liquid of first rare absorption liquid pipe after branch and second rare absorption liquid pipe circulation becomes easily, can improve the heat recovery efficiency from heat source fluid.Particularly,, carry out heat recovery at first heat recoverer, and further carry out heat recovery at second heat recoverer at first rare absorption liquid pipe circulation period at the heat source fluid of high-temp regenerator circulation via steam trap.Thus, according to realizing comprising the structure of heat recoverer miniaturization in the simplified design of interior heat source fluid pipeline, utilize first heat recoverer, second heat recoverer and cold-producing medium to discharge heat recoverer, can effectively carry out, and can improve the efficient of absorption refrigerating machine from the heat recovery of heat source fluid to rare absorption liquid.
According to second invention, except that the effect of first invention, by being set, cold-producing medium discharges heat recoverer, discharge in the heat exchanger at this cold-producing medium, circulation in first rare absorption liquid pipe and flow to rare absorption liquid of high-temp regenerator and in low-temperature regenerator circulation and the refrigerating fluid of heat radiation condensation carries out heat exchange, thus, can comfortable low-temperature regenerator circulation and the refrigerating fluid of heat radiation condensation carries out heat recovery, and also can carry out heat recovery, thereby can improve mechanical efficiency from heat source fluid.
Absorption refrigerating machine of the present invention has: high-temp regenerator, and it circulates heat source fluid to heat rare absorption liquid, and generates refrigerant vapour and intermediate absorption fluid; Low-temperature regenerator, it utilizes the described refrigerant vapour that generates to heat described intermediate liquid again and generate refrigerant vapour and concentrated absorption solution; Condenser, it makes at the refrigerant vapour of described high-temp regenerator generation with at the refrigerant vapour that described low-temperature regenerator generates and converges and condensation, and with the refrigerating fluid of condensation converges by this low-temperature regenerator; Evaporimeter, it will be distributed to from the refrigerating fluid of described condenser on the cold water pipe and evaporation and can carry out cold and hot supply to heat load once more; Absorber, it makes from the concentrated absorption solution of described low-temperature regenerator and flows into and make refrigerant vapour from described evaporimeter to be absorbed by this concentrated absorption solution and generate rare absorption liquid, to be branched off into first rare absorption liquid pipe and second rare absorption liquid pipe to rare absorption liquid pipe that described high-temp regenerator is provided with communicatively and described rare absorption liquid circulates from described absorber, first rare absorption liquid pipe and second rare absorption liquid pipe are provided with communicatively to described high-temp regenerator respectively, and, the heat recoverer that carries out heat exchange at described first rare absorption liquid pipe setting and heat source fluid in the circulation of described high-temp regenerator, second rare absorption liquid pipe has and carries out the high-temperature heat exchanger of heat exchange and the low temperature heat exchanger that carries out heat exchange with the concentrated absorption solution that generates at described low-temperature regenerator at the intermediate absorption fluid that described high-temp regenerator generates, described heat recoverer is divided into first heat recoverer and these two of second heat recoverers at least and is provided with, circulate to described second heat recoverer in described first heat recoverer circulation and via steam trap at the heat source fluid of described high-temp regenerator circulation.Embodiments of the invention are documented in the back.
Description of drawings
Fig. 1 is the pipe arrangement pie graph of absorption refrigerating machine of the present invention;
Fig. 2 is the outward appearance pie graph of absorption refrigerating machine of the present invention.
Description of reference numerals
1 high-temp regenerator, 2 heat source fluid pipes
3 low-temperature regenerators, 4 condensers
5 upper machine bodies, 6 evaporimeters
7 absorbers, 8 lower bodies
9 low temperature heat exchangers, 10 high-temperature heat exchangers
11 refrigerated medium pumps 12 absorb liquid pump
13,14 separators, 15 thin liquid pipes
The 15A first thin liquid pipe 15B second thin liquid pipe
16,17 absorption liquid pipes, 18 steam stop valves
19,20,21 refrigerant pipes, 22 cooling water pipes
23 refrigerating medium pipes, 24 cold-producing mediums are discharged heat recoverer
25 first heat recoverers, 26 second heat recoverers
27,28 control valves, 100 absorption refrigerating machines
The specific embodiment
Embodiment 1
Below, the embodiment of absorption refrigerating machine 100 of the present invention is described.Fig. 1 is the pipe arrangement pie graph of absorption refrigerating machine 100 of the present invention, and Fig. 2 is the outward appearance pie graph of absorption refrigerating machine 100 of the present invention.
Absorption refrigerating machine 100 of the present invention for example is that cold-producing medium makes water, absorption liquid use the double utility absorption refrigerating machine of lithium bromide (LiBr) solution, it has: high-temp regenerator 1, the thermal source supply pipe 2 of supplying with heat source fluid (steam of high temperature, high pressure, high-temperature water etc.) carries out pipe arrangement via its inside, is condensed into intermediate absorption fluid (hereinafter referred to as " intermediate liquid ") by heating rare absorption liquid (hereinafter referred to as " thin liquid ") generation refrigerant vapour; Upper machine body 5, it is built-in with low-temperature regenerator 3 and condenser 4, this low-temperature regenerator 3 utilizes described vaporous cryogen to heat described intermediate liquid and makes it become concentrated absorption solution (hereinafter referred to as " dope "), and this condenser 4 makes from low-temperature regenerator 3 refrigerant vapour of supplying with and the cooling water that flows at cooling water pipe 22 and carries out heat exchange and make its cooling, condensation; Lower body 8, it is built-in with evaporimeter 6 and absorber 7.Cooling water pipe 22 is via in the absorber 7 of lower body 8 and be equipped in the condenser 4.
The disperser 6A that is located at evaporimeter 6 internal upper parts of lower body 8 constitutes, be connected with the end side of refrigerant pipe 21, this refrigerant pipe 21 exists refrigerated medium pump 11 and top to be connected with the bottom of evaporimeter 6 in the centre, utilize the running of refrigerated medium pump 11, can flow through refrigerant pipe 21 and utilize disperser 6A to be distributed on the refrigerating medium pipe 23 of refrigerating mediums such as water (Block ラ イ Application) at internal circulation storing in the refrigerating fluid of evaporimeter 6 bottoms.
And, have the thin liquid pipe 15 that absorbs liquid pump 12 and extend from absorber 7 lower side of lower body 8 and be branched off into first thin liquid pipe 15A (first rare absorption liquid pipe 15A) and the second thin liquid pipe 15B (second rare absorption liquid pipe 15B), these the first thin liquids pipe 15A and the second thin liquid pipe 15B connect communicatively to high-temp regenerator 1 respectively.
The first thin liquid pipe 15A is provided with: control valve 27, and it is controlled at the flow of the thin liquid of circulation in this first thin liquid pipe 15A; Cold-producing medium is discharged heat recoverer 24, its with carry out heat exchange in high-temp regenerator 1 regeneration and to condenser 4 refrigerant vapours circulation, that be positioned at absorption liquid pipe 19; First heat recoverer 25 and second heat recoverer 26, its be located at circulation behind the high-temp regenerator 1 heat source fluid pipe 2 and carry out heat exchange with heat source fluid in the heat source fluid pipe 2.Promptly towards the direction close, on the first thin liquid pipe 15A, be equipped with second heat recoverer 26 and first heat recoverer 25 towards downstream that cold-producing medium is discharged heat recoverer 24 successively with high-temp regenerator 1.Thus, as described later, utilize first heat recoverer 25, second heat recoverer 26 to carry out heat exchange with the heat source fluid that circulates at high-temp regenerator, and carry out heat recovery successively from described heat source fluid.
In addition, the second thin liquid pipe 15B has control valve 28 at entrance side, and is disposed with the low temperature heat exchanger 9 of being located at absorption liquid pipe 17 and the high-temperature heat exchanger 10 of being located at absorption liquid pipe 16.This absorption liquid pipe 17 connects to the disperser 7A of absorber 7 inside upper part that are arranged at lower body 8 from the lower side of low-temperature regenerator 3, and this absorption liquid pipe 16 makes the intermediate liquid that generates at high-temp regenerator 1 to low-temperature regenerator 3 circulations.Control valve 27,28 is located at thin liquid pipe 15 and is branched off into the position of the position of the first thin liquid pipe 15A and the second thin liquid pipe 15B near the rear.
And, constitute and can control the flow of the first thin liquid pipe 15A and the second thin liquid pipe 15B according to the running that absorbs liquid pump 12 and the aperture of control valve 27,28, the thin liquid that stores in absorber 7 lower side is transported to high-temp regenerator 1.
In addition, high-temp regenerator 1 is connected by the absorption liquid pipe 16 with high-temperature heat exchanger 10 with low-temperature regenerator 3, and the intermediate liquid that absorption liquid concentration is uprised at high-temp regenerator 1 steam separation cold-producing medium utilizes absorption liquid pipe 16 to be transported to low-temperature regenerator 3.
And, high-temp regenerator 1 constitutes by refrigerant pipe 19 with condenser 4 and is connected, this refrigerant pipe 19 is via the inside of low-temperature regenerator 3 and be provided with cold-producing medium and discharge heat recoverer 24, heated by heat source fluid and separate and the vaporous cryogen that is supplied at high-temp regenerator 1, can flow into condenser 4 via low-temperature regenerator 3 by absorption liquid evaporation.
In addition, the lower side of low-temperature regenerator 3 constitutes with the disperser 7A that is located at absorber 7 inside upper part of lower body 8, connect by the absorption liquid pipe 17 that is provided with low temperature heat exchanger 9, at low-temperature regenerator 3, the dope that allows to the absorption refrigeration agent and be reproduced, but dispel the heat and inflow absorber 7 to the thin liquid that in the second thin liquid pipe 15B, circulates at low temperature heat exchanger 9.
In the absorption refrigerating machine of the present invention 100 that constitutes as mentioned above, if open the steam stop valve 18 that thermal source supply pipe 2 is opened and closed, make 2 circulations of heat source fluid heat source fluid hose, then the thin liquid in the high-temp regenerator 1 is heated by described heat source fluid and seethes with excitement, and can obtain separating cold-producing medium with steam and intermediate liquid that the concentration of absorption liquid is uprised from the refrigerant vapour that the thin liquid evaporation separates.
The high temperature refrigerant steam that generates at high-temp regenerator 1 like this, enter low-temperature regenerator 3 through refrigerant pipe 19, the intermediate liquid that flows in the low-temperature regenerator 3 through absorption liquid pipe 16 is further heated, and, discharge 24 pairs of thin liquids of heat recoverer at cold-producing medium and heat, thereby dispel the heat condensation and flow to condenser 4 in first thin liquid pipe 15A circulation.On the other hand, the absorption liquid (intermediate liquid) that generates at high-temp regenerator 1 utilizes absorption liquid pipe 16 via high-temperature heat exchanger 10, and the thin liquid in second thin liquid pipe 15B circulation is heated and enters low-temperature regenerator 3.
In addition, at low-temperature regenerator 3, evaporate the refrigerant vapour that separates by the heating of the refrigerant vapour of circulation in refrigerant pipe 19 and by intermediate liquid, (エ リ ミ ネ one タ) enters the condenser 4 of adjacency via separator 13, carry out heat exchange and condensation liquefaction with the cooling water of circulation in cooling water pipe 22, and converge with the cold-producing medium of supplying with from refrigerant pipe 19 condensations, in refrigerant pipe 20 circulations and flow to the evaporimeter 6 of lower body 8.
Enter evaporimeter 6 and store refrigerating fluid in the bottom, disperser 6A from evaporimeter 6 is distributed on the refrigerating medium pipe 23 by refrigerated medium pump 11, and from refrigerating mediums such as the water heat absorption supplied with via refrigerating medium pipe 23 and evaporate, thereby cooling is at the refrigerating medium of refrigerating medium pipe 23 internal circulations.
Cold-producing medium in evaporimeter 6 evaporations enters the absorber 7 of adjacency via separator 14, being evaporated the absorption liquid (dope) that separates cold-producing medium and concentrate regeneration in low-temperature regenerator 3 absorbs, that is, be utilized absorption liquid pipe 17 and the absorption liquid (dope) that is distributed on the cooling water pipe 22 from disperser 7A supplied with via low temperature heat exchanger 9 absorbs.
And, at absorber 7, the thinning absorption liquid of concentration is a thin liquid after the absorption refrigeration agent, utilize the running that absorbs liquid pump 12 to flow out to thin liquid pipe 15, and controlled and according to the aperture of control valve 27,28 to the first thin liquid pipe 15A and second thin liquid pipe 15B shunting, in these first thin liquids pipe 15A and second thin liquid pipe 15B circulation and flow to high-temp regenerator 1 respectively.
Flow to the thin liquid of the first thin liquid pipe 15A via control valve 27 from a thin liquid pipe 15, discharge heat recoverer 24 at cold-producing medium, by the refrigerant vapour heating that separates from the absorption liquid evaporation at high-temp regenerator 1, and then, by second heat recoverer 26 and first heat recoverer 25, heated by heat source fluid and flow to high-temp regenerator 1, this heat source fluid circulates in heat source fluid pipe 2 and the absorption liquid that stores in high-temp regenerator 1 is heated.
Flow to the thin liquid of the second thin liquid pipe 15B via control valve 28 from another thin liquid pipe 15, in low temperature heat exchanger 9, by the dope heating of supplying with to low-pressure absorber 7A from the lower side of low-temperature regenerator 3, and then, in high-temperature heat exchanger 10, pass through intermediate liquid that absorption liquid pipe 16 supplies with to low-temperature regenerator 3 from high-temp regenerator 1 and heat and flow to high-temp regenerator 1.
In the present invention, be divided into first heat recoverer 25 and second heat recoverer 26 these two and be provided with being located at heat recoverer on the first thin liquid pipe 15A, heat source fluid in high-temp regenerator 1 circulation constitutes in 25 circulations of first heat recoverer, and circulates to second heat recoverer 26 via steam trap (ス チ one system ト ラ Star プ) 21.Above-mentioned situation is separated heat recoverer in the mode that constitutes steam or discharge water (becoming the steam of condensed water) for the front and back at steam trap 21.That is, in first heat recoverer 25, reclaim the latent heat/sensible heat of heat source fluid (steam, discharge water), in second heat recoverer 26, reclaim sensible heat.
If cut apart unlike the above heat recoverer that will be located on the first thin liquid pipe 15A, in this case, the entire portion of heat source fluid circulation becomes the design that is used for high pressure, and heat recoverer also becomes high-pressure bottle, thereby become maximization, cause cost to rise.But in the present invention, as mentioned above, by cutting apart heat recoverer, the structure after the steam trap 21 does not adopt the high pressure design to get final product, and can make the design simplification of heat source fluid pipeline, and, can make first heat recoverer, 25 miniaturizations that constitute pressure vessel.
Like this, can realize the miniaturization of heat recoverer, and according to component parts the structure after few and pipe arrangement is simplified, can effectively carry out heat source fluid from the high pressure high temperature vapor of circulation in heat source fluid pipe 2 to the heat recovery of thin liquid, heat recovery efficiency can be improved, and mechanical efficiency can be improved from heat source fluid.In addition, the adjustment of the thin liquid of first thin liquid pipe 15A after branch and second thin liquid pipe 15B circulation owing to can carry out separately respectively, becomes easily so adjust, and can improve the heat recovery efficiency from heat source fluid, and can improve mechanical efficiency.
In addition, circulation and the rare absorption liquid that flows to high-temp regenerator 1 and in low-temperature regenerator 3 circulations and the refrigerating fluid of heat radiation condensation in the first thin liquid pipe 15A, carry out the cold-producing medium of heat exchange by setting and discharge heat recoverer 24, can be comfortable low-temperature regenerator 3 circulations and the refrigerating fluid of heat radiation condensation carries out heat recovery, and, also can carry out heat recovery by the comfortable heat source fluid pipe 2 interior heat source fluids that circulate.Discharge heat recoverer 24 by first heat recoverer 25, second heat recoverer 26 and cold-producing medium, can effectively carry out, and can improve the efficient of absorption refrigerating machine from the heat recovery of heat source fluid to rare absorption liquid.
By cold-producing medium and absorption liquid are circulated as mentioned above, in the refrigerating medium pipe 23 that is provided with via the inside of evaporimeter 6, the refrigerating mediums such as water that cool off because of the heat of gasification of cold-producing medium, can supply with to not shown air-conditioning load cycle via refrigerating medium pipe 23, therefore, cooling running such as can freeze.
And, to be diverted to the first thin liquid pipe 15A and the second thin liquid pipe 15B to the thin liquid that high-temp regenerator 1 is supplied with, and will be used for the heating of each thin liquid at the thermal source that high-temp regenerator 1 heats the described heat source fluid of absorption liquid, thereby can utilize above-mentioned heat source fluid to reach low-temperature region, can cut down steam consumption and increase the crystallization surplus (can enlarge the scope that is difficult to crystallization) of low temperature heat exchanger 9 until it.In addition, as mentioned above, will be from the thin liquid pipe 15 of absorber 7 to high-temp regenerator 1 connection, be branched off into the first thin liquid pipe 15A and the second thin liquid pipe 15B, because these thin liquid pipes directly are communicated with to described high-temp regenerator 1, so can easily be adjusted at the assignment of traffic of the thin liquid of each the thin liquid pipe circulation after the branch.
And, as shown in Figure 2, in absorption refrigerating machine 100 of the present invention, owing to be built-in with the upper machine body 5 and the high-temp regenerator 1 of low-temperature regenerator 3, condenser 4 in the top configuration, below set the lower body 8 that is built-in with evaporimeter 6 and absorber 7, therefore, become the absorption refrigerating machine that is applicable to miniaturization of the size that has suppressed short transverse.
In addition, because this lower body 8 similarly is set up in parallel evaporimeter and absorber with prior art,, when maintenance test or repairing, also can similarly carry out with prior art so can not make internal structure complicated.
Industrial applicibility
The present invention is not limited to the foregoing description, can suitably change in the scope that does not break away from purport of the present invention, and the present invention is applicable to the absorption refrigerating machine that improves mechanical efficiency by the heat recovery with thermal source.
Claims (2)
1. absorption refrigerating machine has: high-temp regenerator, and it circulates heat source fluid to heat rare absorption liquid, and generates refrigerant vapour and intermediate absorption fluid; Low-temperature regenerator, it utilizes the described refrigerant vapour that generates to heat described intermediate absorption fluid again and generate refrigerant vapour and concentrated absorption solution; Condenser, it makes at the refrigerant vapour of described high-temp regenerator generation with at the refrigerant vapour that described low-temperature regenerator generates and converges and condensation, and with the refrigerating fluid of condensation converges by this low-temperature regenerator; Evaporimeter, it will be distributed to from the refrigerating fluid of described condenser on the cold water pipe and evaporation and can carry out cold and hot supply to heat load once more; Absorber, it makes from the concentrated absorption solution of described low-temperature regenerator and flows into and make refrigerant vapour from described evaporimeter to be absorbed by this concentrated absorption solution and generate rare absorption liquid, and this absorption refrigerating machine is characterised in that,
To be branched off into first rare absorption liquid pipe and second rare absorption liquid pipe to rare absorption liquid pipe that described high-temp regenerator is provided with communicatively and described rare absorption liquid circulates from described absorber, first rare absorption liquid pipe and second rare absorption liquid pipe are provided with communicatively to described high-temp regenerator respectively, and, the heat recoverer that carries out heat exchange at described first rare absorption liquid pipe setting and heat source fluid in the circulation of described high-temp regenerator, second rare absorption liquid pipe has and carries out the high-temperature heat exchanger of heat exchange and the low temperature heat exchanger that carries out heat exchange with the concentrated absorption solution that generates at described low-temperature regenerator at the intermediate absorption fluid that described high-temp regenerator generates, described heat recoverer is divided into first heat recoverer and these two of second heat recoverers at least and is provided with, circulate to described second heat recoverer in described first heat recoverer circulation and via steam trap at the heat source fluid of described high-temp regenerator circulation.
2. absorption refrigerating machine as claimed in claim 1, it is characterized in that, to the described absorber side of being located at the described heat recoverer on described first rare absorption liquid pipe cold-producing medium is set and discharges heat recoverer, discharge in heat recoverer circulation and the rare absorption liquid that flows to high-temp regenerator and in the low-temperature regenerator circulation and the condensed refrigerating fluid that dispels the heat carries out heat exchange in this first rare absorption liquid pipe at this cold-producing medium.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008250818A JP5261111B2 (en) | 2008-09-29 | 2008-09-29 | Absorption refrigerator |
| JP250818/08 | 2008-09-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101713598A true CN101713598A (en) | 2010-05-26 |
| CN101713598B CN101713598B (en) | 2011-11-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101791610A Expired - Fee Related CN101713598B (en) | 2008-09-29 | 2009-09-29 | Absorption refrigerating machine |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP5261111B2 (en) |
| KR (1) | KR101060776B1 (en) |
| CN (1) | CN101713598B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103256750A (en) * | 2013-05-28 | 2013-08-21 | 烟台荏原空调设备有限公司 | Absorption heat pump unit |
| WO2017088768A1 (en) * | 2015-11-26 | 2017-06-01 | 四川捷元科技有限公司 | Absorption type refrigerating unit inclined flow guide condenser, refrigerating unit and refrigerating matrix |
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| KR101773864B1 (en) * | 2016-12-16 | 2017-09-01 | 주식회사 성지테크 | Absorption chiller-heater integrated fuel cell having sub-cycle |
| KR102238779B1 (en) * | 2020-09-16 | 2021-04-09 | (주)월드에너지 | Type absorption cooling and heating device capable of energy-saving |
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| KR100315627B1 (en) * | 1998-01-12 | 2002-01-12 | 구자홍 | Absorption heating and cooling system having quick boiling function |
| WO2000022357A1 (en) | 1998-10-15 | 2000-04-20 | Ebara Corporation | Absorption refrigerating machine |
| JP4278315B2 (en) * | 2001-04-24 | 2009-06-10 | 三洋電機株式会社 | Absorption refrigerator |
| JP3883838B2 (en) * | 2001-10-25 | 2007-02-21 | 三洋電機株式会社 | Absorption refrigerator |
| JP3889655B2 (en) * | 2002-04-12 | 2007-03-07 | 三洋電機株式会社 | Absorption refrigerator |
| JP2004324977A (en) * | 2003-04-24 | 2004-11-18 | Sanyo Electric Co Ltd | Absorption type refrigerating machine |
| JP2005098596A (en) * | 2003-09-25 | 2005-04-14 | Mitsubishi Heavy Ind Ltd | Absorption refrigerator |
| JP2005300126A (en) * | 2004-03-15 | 2005-10-27 | Sanyo Electric Co Ltd | Absorption type refrigerating machine |
-
2008
- 2008-09-29 JP JP2008250818A patent/JP5261111B2/en not_active Expired - Fee Related
-
2009
- 2009-09-28 KR KR1020090091592A patent/KR101060776B1/en not_active IP Right Cessation
- 2009-09-29 CN CN2009101791610A patent/CN101713598B/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103256750A (en) * | 2013-05-28 | 2013-08-21 | 烟台荏原空调设备有限公司 | Absorption heat pump unit |
| WO2017088768A1 (en) * | 2015-11-26 | 2017-06-01 | 四川捷元科技有限公司 | Absorption type refrigerating unit inclined flow guide condenser, refrigerating unit and refrigerating matrix |
Also Published As
| Publication number | Publication date |
|---|---|
| KR101060776B1 (en) | 2011-08-30 |
| JP5261111B2 (en) | 2013-08-14 |
| CN101713598B (en) | 2011-11-09 |
| JP2010078299A (en) | 2010-04-08 |
| KR20100036198A (en) | 2010-04-07 |
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