CN1550736A - Absorption refrigerating machine - Google Patents

Absorption refrigerating machine Download PDF

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Publication number
CN1550736A
CN1550736A CNA2004100040077A CN200410004007A CN1550736A CN 1550736 A CN1550736 A CN 1550736A CN A2004100040077 A CNA2004100040077 A CN A2004100040077A CN 200410004007 A CN200410004007 A CN 200410004007A CN 1550736 A CN1550736 A CN 1550736A
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CN
China
Prior art keywords
absorber
evaporimeter
absorption liquid
absorption
lower side
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CNA2004100040077A
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Chinese (zh)
Other versions
CN1260534C (en
Inventor
西本春树
数恭
畑山朗
伊良皆数恭
府内秀树
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sanyo Electric Co Ltd
Sanyo Electric Air Conditioning Co Ltd
Original Assignee
Sanyo Electric Co Ltd
Sanyo Electric Air Conditioning Co Ltd
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Filing date
Publication date
Application filed by Sanyo Electric Co Ltd, Sanyo Electric Air Conditioning Co Ltd filed Critical Sanyo Electric Co Ltd
Publication of CN1550736A publication Critical patent/CN1550736A/en
Application granted granted Critical
Publication of CN1260534C publication Critical patent/CN1260534C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B15/00Sorption machines, plants or systems, operating continuously, e.g. absorption type
    • F25B15/10Sorption machines, plants or systems, operating continuously, e.g. absorption type with inert gas
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B39/00Evaporators; Condensers
    • F25B39/02Evaporators
    • F25B39/026Evaporators specially adapted for sorption type systems
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2315/00Sorption refrigeration cycles or details thereof
    • F25B2315/005Regeneration
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/27Relating to heating, ventilation or air conditioning [HVAC] technologies
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/62Absorption based 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

Lower bodies(7A) embedding evaporators(5A,5B) and absorbers(6A,6B) are installed at the lower part of an upper body(4) according to the height. A lower side of a condenser(3) and the evaporator are connected by a refrigerant pipe(19). The lower sides of each evaporator are connected to each other by a refrigerant pipe(17). The lower side of the evaporator is linked with spreaders(5A1,5B1) by a refrigerant pipe(20) installed with a refrigerant pump(10). The lower side of the absorber and a spreader(6B1) of the absorber are coupled by an absorption liquid pipe(13) installed with an absorption liquid pump(11). The lower side of the absorber is connected with a high-temperature regenerator(1) by an absorption liquid pipe(14) mounted with an absorption liquid pump(12), a low-temperature heat exchanger(8), and a high-temperature heat exchanger(9). The lower side of a low-temperature regenerator(2) and a spreader(6A1) of the absorber are connected by an absorption liquid pipe(16) installed with the low-temperature heat exchanger.

Description

Absorption refrigerating machine
Technical field
The present invention relates to a kind of absorption refrigerating machine (comprising absorption-type cold-hot water dispenser).
Background technology
As the known absorption refrigerating machine 100X of this absorption refrigerating machine with following structure, for example as shown in Figure 2, in single lower body 7, separate to turn up the soil and be set side by side with: at the first assembly A that has the first evaporimeter 5A and the first absorber 6A up and down by partition wall 41, the second assembly B with the second evaporimeter 5B and second absorber 6B, refrigerant vapour by the first evaporimeter 5A of first assembly A evaporation is absorbed by liquid absorption the absorption liquid of absorption refrigeration agent in the first absorber 6A in the first absorber 6A, in the second absorber 6B, be absorbed in the refrigerant vapour (for example with reference to patent documentation 1) that evaporates among the second evaporimeter 5B of the second assembly B.
In above-mentioned existing absorption refrigerating machine 100X, owing to can be divided into two stages with the evaporating temperature level of the cold-producing medium of cold water heat exchange, so the saturated-steam temperature of the absorption liquid among the second assembly B in the second absorber 6B can be than the height in the first assembly A.Thereby, can make the concentration of absorption liquid thinning with respective degrees.
Thereby, in the absorption refrigerating machine 100X of said structure, the thermal source as the heating absorption liquid can be used to unavailable low temperature so far district, as a result, the internal circulating load with absorption liquid reduces and promotes effective utilization of thermal source, the advantage that freezing efficiency improves.
[patent documentation 1]
The spy opens 2000-266422 communique (Fig. 1)
Summary of the invention
But, above-mentioned existing absorption refrigerating machine, owing in single lower body, being provided with at first assembly that has first evaporimeter and first absorber up and down and having second evaporimeter and second assembly of second absorber, thereby, this lower body is maximized, be subjected to the selected restriction of when being provided with, guaranteeing path and setting the place.And the internal structure of this lower body is complicated, when existing in maintenance and detecting and when repairing can not guarantee the problem in enough spaces, become the problem that will solve.
The present invention is in order to solve the problem of above-mentioned prior art, a kind of absorption refrigerating machine is provided, below the top body that is built-in with condenser and regenerator, be provided with in the absorption refrigerating machine of lower body of identical built-in evaporator of a plurality of height and absorber, couple together by pipeline lower side and at least one evaporimeter condenser, evaporimeter is communicated with in lower side mutually by pipeline each other, is furnished with the pump that can in all evaporators, scatter the refrigerant liquid of an evaporimeter, and an end is connected to the other end bifurcated of a pipeline on the evaporimeter lower side and is connected on the upper side of all evaporators, is furnished with the pump that the absorption liquid of an absorber can be spread in other absorber, and the other end that an end is connected to a pipeline on the absorber lower side is connected on the upper side of other absorber, be furnished with and the absorption liquid of this absorber can be spread to the further interior pump of other absorber, and the other end that an end is connected to the pipeline on this absorber lower side is connected on the upper side of further other absorber in turn, will be connected to via the pipeline of heat exchanger on the lower side of absorber of last connection.
Description of drawings
Fig. 1 is the key diagram of expression the invention process form,
Fig. 2 is the key diagram of expression prior art.
The specific embodiment
Below, according to Fig. 1 form of implementation of the present invention is described.In addition, in order to should be readily appreciated that, adopt identical symbol for having among Fig. 1 with the part of aforementioned part identical function illustrated in fig. 2.
In absorption refrigerating machine of the present invention 100 shown in Figure 1, for example be furnished with: be built-in with the top body as the high-temp regenerator 1 of heating arrangements configuration, low-temperature regenerator 2, condenser 3 gas burner 1A; With the lower body 7A that is built-in with evaporimeter 5A, absorber 6A; Be built-in with the lower body 7B of evaporimeter 5B, absorber 6B.
Lower body 7A, 7B size are identical, be arranged on the below of top body 4 with having certain altitude, utilize refrigerant pipe 17 that the evaporimeter 5A of lower body 7A and the evaporimeter 5B of lower body 7B are coupled together in lower side, the refrigerant liquid that stores in each lower side can be exchanged visits.
And, via the refrigerant pipe 19 that has U font portion the lower side of the condenser 3 of top body 4 and the evaporimeter 5B of lower body 7B are coupled together, flow among the evaporimeter 5B by the effect of gravity, the condenser 3 interior refrigerant liquids that flow downward via refrigerant pipe 19.
And, the lower side of the evaporimeter 5B of lower body 7B and be arranged on the distributor 5B1 of evaporimeter 5B inside upper part and be arranged on the distributor 5A1 of the evaporimeter 5A inside upper part of lower body 7A, by coupling together via refrigerated medium pump 10 and at the refrigerant pipe 20 of end side bifurcated, in evaporimeter 5A and in the evaporimeter 5B, the refrigerant liquid that is trapped in evaporimeter 5B bottom can be distributed to by the running of refrigerated medium pump 10 on the refrigerating medium pipe (Block ラ イ Application pipe) 22.
And, the lower side of the absorber 6A of lower body 7A and the distributor 6B1 that is arranged on the absorber 6B inside upper part of lower body 7B are had the absorption liquid pipe 13 that absorbs liquid pump 11 to couple together by intermediary, store absorption liquid in absorber 6A bottom by the running that absorbs liquid pump 11, can in absorber 6B, be distributed on the cooling water pipe 21.
And, the absorber 6B lower side of lower body 7B and high-temp regenerator 1, there is the absorption liquid pipe 14 that absorbs liquid pump 12, low temperature heat exchanger 8, high-temperature heat exchanger 9 to couple together by intermediary, the absorption liquid that stores in absorber 6B bottom can be delivered in the high-temp regenerator 1 by the running that absorbs liquid pump 12.
And, the low-temperature regenerator 2 of high-temp regenerator 1 and top body 4, there is the absorption liquid pipe 15 of high-temperature heat exchanger 9 to couple together by intermediary, can be in high-temp regenerator 1 the cold-producing medium evaporation separated and the intermediate absorption fluid that absorption liquid concentration has improved is delivered to low-temperature regenerator 2.
And then, the condenser 3 of high-temp regenerator 1 and top body 4 is coupled together via the low-temperature regenerator 2 inner refrigerant pipes 18 that are provided with, in high-temp regenerator 1, utilize gas burner 1A heating, and can flow into the condenser 3 of top bodies 4 by the cold-producing medium that evaporation in the absorption liquid separates, supplies via low-temperature regenerator 2.
And, the lower side of the low-temperature regenerator 2 of top body 4 and be arranged on the distributor 6A1 of the absorber 6A inside upper part of lower body 7A, there is the absorption liquid pipe 16 of low temperature heat exchanger 8 to couple together by intermediary, the concentrated absorption solution of can the absorption refrigeration agent in low-temperature regenerator 2 and regenerating, in low temperature heat exchanger 8 to rare absorption liquid heat release and inflow absorber 6A.
In the absorption refrigerating machine of the present invention 100 of said structure, when gas burner 1A is lighted a fire, the burned heat heating of rare absorption liquid in the high-temp regenerator 1, boiling obtain to evaporate isolated refrigerant vapour and the intermediate absorption fluid that the cold-producing medium evaporation is separated and improved absorption liquid concentration from rare absorption liquid.
The high temperature refrigerant steam that in high-temp regenerator 1, generates, enter into the low-temperature regenerator 2 of top body 4 by refrigerant pipe 18, utilize absorption liquid pipe 15 via 9 pairs of rare absorption liquid heat releases of high-temperature heat exchanger and enter into the intermediate absorption fluid heating of low-temperature regenerator 2 to what in high-temp regenerator 1, generate, and the heat release condensation, enter into condenser 3.
And, 2 cold-producing mediums that are heated and separate from the evaporation of middle absorption liquid in the low-temperature regenerator of top body 4, enter adjacent condenser 3 via separator, carry out heat exchange and condensation liquefaction with the cooling water that flows in the cooling water pipe 21, enter into the evaporimeter 5B of another lower body 7B by refrigerant pipe 19 with cold-producing medium from refrigerant pipe 18 condensations and supply.
Enter evaporimeter 5B and store refrigerant liquid in the bottom, be distributed on the refrigerating medium pipe 22 from the distributor 5B1 of evaporimeter 5B and the distributor 5A1 of evaporimeter 5A by refrigerated medium pump 10, obtain heat and evaporation from refrigerating mediums such as water, the refrigerating medium that flows into refrigerating medium pipe 22 inside is cooled off via 22 supplies of refrigerating medium pipe.
The cold-producing medium that evaporates in the evaporimeter 5A of lower body 7A enters into adjacent absorber 6A via separator, cold-producing medium evaporation is separated and concentrates absorption liquid that regeneration forms in low-temperature regenerator 2, promptly utilizes absorption liquid pipe 16 to absorb via concentrated absorption solutions low temperature heat exchanger 8 supplies, that be distributed on the cooling water pipe 21 from distributor 6A1.
And, the cold-producing medium that evaporates in the evaporimeter 5B of lower body 7B enters into adjacent absorber 6B via separator, and by absorption refrigeration agent and absorption liquid concentration descends on a small quantity in the absorber 6A of lower body 7A, via 13 supplies of absorption liquid pipe, the absorption liquid that is distributed on the cooling water pipe 21 from distributor 6B1 absorbs by the running that absorbs liquid pump 11.
And, in the absorber 6B of lower body 7B the thinning absorption liquid of absorption refrigeration agent and concentration, be rare absorption liquid, by the running that absorbs liquid pump 12, via absorption liquid pipe 14, in low temperature heat exchanger 8, high-temperature heat exchanger 9, be heated and deliver to high-temp regenerator 1 respectively.
By cold-producing medium and absorption liquid are circulated in a manner described, in the refrigerating medium pipe 22 that the inside via evaporimeter 5B in the lower body 7B and the evaporimeter 5A in the lower body 7A is provided with, the refrigerating mediums such as water of cooled dose heat of gasification cooling, can be via refrigerating medium pipe 22 circulation-supplied in not shown air-conditioning load etc., thereby cooling running such as can freeze.
And, absorption liquid is at two lower body 7A, order absorption refrigeration agent among the 7B, thereby, identical with existing absorption refrigerating machine 100X shown in Figure 2, thermal source as the heating absorption liquid can use the low temperature zone that can't utilize so far, thereby, can reduce the internal circulating load of absorption liquid and promote effective utilization of thermal source, can improve freezing efficiency, and in absorption refrigerating machine 100 of the present invention, be built-in with low-temperature regenerator 2, the below of the top body 4 of condenser 3, highly as one man be provided with and be built-in with evaporimeter 5A, the lower body 7A of absorber 6A and be built-in with evaporimeter 5B, the lower body 7B of absorber 6B, thereby lower body 7A, 7B can not maximize as monomer.
Thereby, when lower body 7A, 7B are set, reduced to guaranteeing path and selecting to set the degree that the place is restricted.And because lower body 7A, 7B are the same with prior art, its evaporimeter and absorber are set up in parallel, thereby, can not make internal structure complicated, when maintaining, can guarantee and in the past the same space with repairing.
And, the evaporimeter 5A of lower body 7A and the evaporimeter 5B of lower body 7B are arranged to identical height, can utilize refrigerant pipe 17 that lower side is joined to one another and refrigerant liquid can be exchanged visits, thereby, flow down and enter the refrigerant liquid of the evaporimeter 5A of lower body 7A from the condenser 3 of top body 4, also flow among the evaporimeter 5A of lower body 7A by refrigerant pipe 17.
And, the cold-producing medium that distributor 5A1 in the evaporimeter 5A and the distributor 5B1 in the evaporimeter 5B distribute, even between the evaporation capacity that obtains heat of evaporation and evaporation from the refrigerating mediums such as water that in refrigerating medium pipe 22, flow, have very big difference, but owing to utilize refrigerant pipe 17 that the evaporimeter 5A of lower body 7A and the evaporimeter 5B of lower body 7B are communicated with, so it is excessively not enough can not produce refrigerant liquid between evaporimeter 5A, 5B, can utilize a refrigerated medium pump 10 that refrigerant liquid is evenly distributed in evaporimeter 5A, the 5B.
In addition, the invention is not restricted to above-mentioned form of implementation, in not breaking away from the scope that is documented in the purport in the claim scope, can carry out various distortion.
For example, also can highly as one man be set up in parallel the lower body that evaporimeter and absorber are set built-inly more than three under top body 4.And, be arranged on the lower body under the top body 4, even mutually away from setting, also can utilize refrigerant pipe and absorption liquid pipe to couple together, thereby in the selection that the position is set, do not restricted.
And, as being used for, also can adopt from the heat extraction of the high-temperature steam of supplies such as CHP system etc. etc. at the thermal source of high-temp regenerator 1 to absorption liquid heating.And, do not dispose high-temp regenerator 1, but can connect absorption liquid pipe 14 yet, promptly by following mode, absorption liquid that will absorption refrigeration agent in the absorber 6B of lower body 7B imports in the low-temperature regenerator 2 via low temperature heat exchanger 8, utilizes suitable thermal source thermal regeneration absorption liquid.
[effect of invention]
Zai absorption refrigerating machine Zhong of the present invention as described above is in order to improve freezing efficiency, absorption liquid Many lower body Zhong orders of Zai absorption refrigeration agent, and the top body of the living device of the built-in Zai of Zai and condenser is lower Fang Gaodu as one man arranges the lower body of a plurality of built-in evaporators and absorber, thereby lower body Zuo is Monomer can not maximize.
Thereby, when lower body etc. is set, has reduced in order to ensure path and selected and set the position and be subjected to The processed Yue degree that arrives. And its underpart body is sent out device and absorber Yu the same Zheng of being set side by side with of past, Thereby internal structure can be not complicated, when maintaining and repair, can guarantee that Yu goes over The same space.
And, with identical height lower body is set, cooled dose of pipe of lower side of evaporimeter in this lower body is joined to one another, and refrigerant liquid can be exchanged visits, thereby, at evaporimeter each other, refrigerant liquid can not produce excessive deficiency, utilize a refrigerated medium pump can be equably to the inner distribution refrigerant liquid of all evaporators.

Claims (1)

1, a kind of absorption refrigerating machine, below the top body that is built-in with condenser and regenerator, be provided with the lower body of identical built-in evaporator of a plurality of height and absorber, it is characterized in that: couple together by pipeline lower side and at least one evaporimeter with condenser, evaporimeter is communicated with in lower side mutually by pipeline each other, is furnished with the pump that can in all evaporators, scatter the refrigerant liquid of an evaporimeter, and an end is connected to the other end bifurcated of a pipeline on the evaporimeter lower side and is connected on the upper side of all evaporators, is furnished with the pump that the absorption liquid of an absorber can be spread in other absorber, and the other end that an end is connected to a pipeline on the absorber lower side is connected on the upper side of other absorber, be furnished with and the absorption liquid of this absorber can be spread to the further interior pump of other absorber, and the other end that an end is connected to the pipeline on this absorber lower side is connected on the upper side of further other absorber in turn, has the pipeline of heat exchanger to be connected on the lower side of absorber of last connection intermediary.
CNB2004100040077A 2003-05-08 2004-02-04 Absorption refrigerating machine Expired - Fee Related CN1260534C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP129971/03 2003-05-08
JP129971/2003 2003-05-08
JP2003129971A JP4266697B2 (en) 2003-05-08 2003-05-08 Absorption refrigerator

Publications (2)

Publication Number Publication Date
CN1550736A true CN1550736A (en) 2004-12-01
CN1260534C CN1260534C (en) 2006-06-21

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Family Applications (1)

Application Number Title Priority Date Filing Date
CNB2004100040077A Expired - Fee Related CN1260534C (en) 2003-05-08 2004-02-04 Absorption refrigerating machine

Country Status (3)

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JP (1) JP4266697B2 (en)
KR (1) KR100554061B1 (en)
CN (1) CN1260534C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117450687A (en) * 2023-12-21 2024-01-26 安徽普泛能源技术有限公司 Multi-heat source multi-stage cold absorption refrigerating unit and process for energy cascade utilization

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9994751B2 (en) * 2008-04-30 2018-06-12 Honeywell International Inc. Absorption refrigeration cycles using a LGWP refrigerant
CN105890220A (en) * 2016-06-02 2016-08-24 松下制冷(大连)有限公司 Direct-fired efficient environment-friendly lithium bromide absorption hot and cold water unit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117450687A (en) * 2023-12-21 2024-01-26 安徽普泛能源技术有限公司 Multi-heat source multi-stage cold absorption refrigerating unit and process for energy cascade utilization
CN117450687B (en) * 2023-12-21 2024-03-15 安徽普泛能源技术有限公司 Multi-heat source multi-stage cold absorption refrigerating unit and process for energy cascade utilization

Also Published As

Publication number Publication date
KR100554061B1 (en) 2006-02-22
JP2004333019A (en) 2004-11-25
CN1260534C (en) 2006-06-21
JP4266697B2 (en) 2009-05-20
KR20040095666A (en) 2004-11-15

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