CN2681049Y - Absorption-injection type composite refrigerator - Google Patents
Absorption-injection type composite refrigerator Download PDFInfo
- Publication number
- CN2681049Y CN2681049Y CN 200420017014 CN200420017014U CN2681049Y CN 2681049 Y CN2681049 Y CN 2681049Y CN 200420017014 CN200420017014 CN 200420017014 CN 200420017014 U CN200420017014 U CN 200420017014U CN 2681049 Y CN2681049 Y CN 2681049Y
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- CN
- China
- Prior art keywords
- lithium
- refrigerating machine
- type refrigerating
- bromide absorption
- absorption
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- 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.)
- Expired - Lifetime
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- Sorption Type Refrigeration Machines (AREA)
Abstract
The utility model discloses an absorption-injection type composite refrigerator comprising a lithium brominate absorptive-type refrigerator and an injection type refrigerator. A lithium brominate absorptive type refrigerating cycle and an injection type refrigerating cycle are combined to form the absorption-injection type composite refrigerator. The condenser of the lithium brominate absorptive-type refrigerator is the generator of the injection type refrigerator. The evaporator of the lithium brominate absorptive-type refrigerator is the condenser of the injection type refrigerator. Only does the lithium brominate absorptive-type refrigerator of the utility model need to consume outside energy resource. The drive heat source of the injection type refrigerator is from the condensation heat in the condenser of the lithium brominate absorptive-type refrigerator. Simultaneously, the refrigerating capacity of the evaporator of the lithium brominate absorptive-type refrigerator is used for decreasing the condensation temperature of the injection type refrigerator to ensure that the injection type refrigerator can normally work and make the evaporate temperature of the injection type refrigerator reach less than 0 DEG C. Therefore, the absorption-injection type composite refrigerator can satisfy the requestof the user that the temperature is less than 0 DEG C. The consumption of the drive energy resource can be decreased. The refrigeration coefficient of the system can be enhanced.
Description
Technical field
The utility model relates to a kind of refrigerating plant, particularly relates to the refrigerating plant that a kind of acquisition is lower than 0 ℃ of requirement.
Background technology
Lithium-bromide absorption-type refrigerating machine is a kind of eco-friendly refrigerating plant, to environment without any destruction.Because what adopt is that heat energy drives, and not only can adopt the elevated temperature heat sources such as steam more than 100 ℃, and can adopt temperature waste heat sources such as solar energy, waste vapour, waste gas, spent hot water as driving heat source, has the considerable energy saving effect.But lithium-bromide absorption-type refrigerating machine is owing to adopt and use water as cold-producing medium, can only use being higher than under 0 ℃ the condition, can not satisfy to be lower than 0 ℃ temperature requirement.Though ammonia water absorbing refrigerator can obtain 0 ℃ of following temperature, the temperature requirement height of driving heat source, generally more than 120 ℃, and the coefficient of performance is lower.Ejector type refrigerating machine driving heat source temperature depends on environment temperature, the environment temperature height, and then heat source temperature requires high.So, under the normal temperature environment condition, its heat source temperature requires also than higher, as to adopt R134a be cold-producing medium, and condensation temperature is 40 ℃, when evaporating temperature is-10 ℃, its driving heat source temperature will reach about 90 ℃, cause generator pressure very big, the pressure limit that is allowed considerably beyond general R134a refrigeration system, and also its coefficient of refrigerating performance is lower.
2003 the 31st the 2nd phases of volume of " fluid machinery " magazine have been delivered one piece of article, name is called " jet heat pump and the pre-test of absorption refrigeration combined-circulation ", this compound-refrigerating circulation adopts the injecting type heat pump to provide driving heat source for lithium-bromide absorption-type refrigerating machine, help improving the coefficient of refrigerating performance of lithium-bromide absorption-type refrigerating machine, but this compound-refrigerating circulation can not obtain the evaporating temperature below 0 ℃.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art part, provide a kind of absorption-jet type combined refrigeration machine, in order to obtain 0 ℃ of following evaporating temperature, especially in order under the low-temperature heat source drive condition, obtain 0 ℃ of following evaporating temperature, realize the coefficient of refrigerating performance of raising system.
For achieving the above object, the technical solution adopted in the utility model is, a kind of absorption-jet type combined refrigeration machine, the lithium-bromide absorption-type refrigerating machine generator links to each other with the lithium-bromide absorption-type refrigerating machine condenser, and the lithium-bromide absorption-type refrigerating machine generator links to each other with the lithium-bromide absorption-type refrigerating machine absorber by lithium-bromide absorption-type refrigerating machine first throttle valve, solution pump respectively, the lithium-bromide absorption-type refrigerating machine condenser links to each other with the lithium-bromide absorption-type refrigerating machine evaporimeter by U type pipe, and the lithium-bromide absorption-type refrigerating machine evaporimeter links to each other with the lithium-bromide absorption-type refrigerating machine absorber; The lithium-bromide absorption-type refrigerating machine condenser links to each other with the ejector type refrigerating machine injector, injector links to each other with lithium-bromide absorption-type refrigerating machine evaporimeter, injection standard evaporator of refrigerator respectively, the lithium-bromide absorption-type refrigerating machine evaporimeter links to each other with the ejector type refrigerating machine evaporimeter by second choke valve, and the refrigerated medium pump by ejector type refrigerating machine links to each other with the lithium-bromide absorption-type refrigerating machine condenser.
Advantage of the present utility model is: the utility model has only lithium-bromide absorption-type refrigerating machine need consume outside resources, and the driving heat source of ejector type refrigerating machine comes from the condenser heat in the lithium-bromide absorption-type refrigerating machine condenser.Simultaneously, reduce the ejector type refrigerating machine condensation temperature with the refrigerating capacity of lithium-bromide absorption-type refrigerating machine evaporimeter, can operate as normal to guarantee ejector type refrigerating machine, make the evaporating temperature of ejector type refrigerating machine can reach below 0 ℃.Like this, not only make the utility model can satisfy the temperature requirement of user below 0 ℃, can also reduce the consumption of drive energy, improved the coefficient of refrigerating performance of system.Driving heat source can adopt temperature waste heat sources such as solar energy, waste vapour, waste gas, spent hot water.
Description of drawings
Fig. 1 is the structural representation of a kind of embodiment of the utility model.
The specific embodiment
By shown in Figure 1, the utility model is composited by lithium bromide absorbing type refrigeration circulation and spray type refrigerating circulation.The utility model comprise lithium-bromide absorption-type refrigerating machine generator 1, lithium-bromide absorption-type refrigerating machine condenser 2, U type pipe 3, lithium-bromide absorption-type refrigerating machine evaporimeter 4,, the refrigerated medium pump 12 and the injector 13 of lithium-bromide absorption-type refrigerating machine absorber 5, lithium-bromide absorption-type refrigerating machine solution pump 6, first throttle valve 7, driving heat source 8, cooling medium 9, second choke valve 10, ejector type refrigerating machine evaporimeter 11, ejector type refrigerating machine.Driving heat source 8 can adopt temperature waste heat sources such as solar energy, waste vapour, waste gas, spent hot water, and cooling medium 9 can be water or air.
Lithium-bromide absorption-type refrigerating machine generator 1 links to each other with lithium-bromide absorption-type refrigerating machine condenser 2, and lithium-bromide absorption-type refrigerating machine generator 1 links to each other by first throttle valve 7, solution pump 6 and the lithium-bromide absorption-type refrigerating machine absorber 5 of lithium-bromide absorption-type refrigerating machine respectively, lithium-bromide absorption-type refrigerating machine condenser 2 links to each other with lithium-bromide absorption-type refrigerating machine evaporimeter 4 by U type pipe 3, and lithium-bromide absorption-type refrigerating machine evaporimeter 4 links to each other with lithium-bromide absorption-type refrigerating machine absorber 5; Lithium-bromide absorption-type refrigerating machine condenser 2 links to each other with ejector type refrigerating machine injector 13, injector 13 links to each other with lithium-bromide absorption-type refrigerating machine evaporimeter 4, injection standard evaporator of refrigerator 11 respectively, lithium-bromide absorption-type refrigerating machine evaporimeter 4 links to each other with ejector type refrigerating machine evaporimeter 11 by second choke valve 10, and the refrigerated medium pump 12 by ejector type refrigerating machine links to each other with lithium-bromide absorption-type refrigerating machine condenser 2.
The generator 1 of lithium-bromide absorption-type refrigerating machine obtains energy from driving heat source 8, in the generator 1 of lithium-bromide absorption-type refrigerating machine, produce the cold-producing medium water vapour, enter in the condenser 2 (this condenser is again the generator of ejector type refrigerating machine) of lithium-bromide absorption-type refrigerating machine and be condensed into aqueous water.After 3 throttlings of U type pipe, step-down, cooling, the middle evaporation heat absorption of evaporimeter 4 (this evaporimeter is again the condenser of ejector type refrigerating machine) that enters lithium-bromide absorption-type refrigerating machine becomes low pressure water vapor.Enter the absorber 5 of lithium-bromide absorption-type refrigerating machine then, that water vapour is flowed out from the generator 1 of lithium-bromide absorption-type refrigerating machine and absorb through the bromize lithium concentrated solution of first throttle valve 7, after becoming bromize lithium dilute solution, the generator 1 of being delivered to lithium-bromide absorption-type refrigerating machine by solution pump 6 circulates again.
In the absorber 5 of lithium-bromide absorption-type refrigerating machine, the heat that bromize lithium concentrated solution is produced in the process of the water vapour that the evaporimeter 4 that absorbs lithium-bromide absorption-type refrigerating machine produces, the medium 9 that is cooled is taken away.The cold-producing medium of the spray type refrigerating circulation in the condenser 2 of lithium-bromide absorption-type refrigerating machine is heated and becomes refrigerant vapour, enter the injector 13 of ejector type refrigerating machine, the low pressure refrigerant vapor that produces in the evaporimeter 11 of injection from ejector type refrigerating machine, and in the injector 13 of ejector type refrigerating machine, after the compression, send in the evaporimeter 4 of lithium-bromide absorption-type refrigerating machine and be condensed into refrigerant liquid.Then, be divided into two-way, the one tunnel through after 10 throttlings of second choke valve, and step-down, cooling enter evaporimeter 11 absorption refrigerations of ejector type refrigerating machine, become the injected device 13 of refrigerant vapour and suck, and carry out next kind of refrigeration cycle.The condenser 2 of lithium-bromide absorption-type refrigerating machine is sent into through refrigerated medium pump 12 in another road, is heated and is evaporated to steam, carries out next one circulation.
Between lithium-bromide absorption-type refrigerating machine generator 1 and lithium-bromide absorption-type refrigerating machine solution pump 6 and first throttle valve 7, heat exchanger can be set.Concentrated solution in lithium-bromide absorption-type refrigerating machine generator 1 enters heat exchanger, and with the weak solution heat exchange from being come out by lithium-bromide absorption-type refrigerating machine solution pump 6, the concentrated solution Hou ， Longitude first throttle valve 7 that is cooled enters lithium-bromide absorption-type refrigerating machine absorber 5.By reclaiming the heat of concentrated solution, can reduce the consumption that lithium-bromide absorption-type refrigerating machine generator 1 drives energy effectively, further improve the coefficient of refrigerating performance of absorption-jet type combined refrigeration machine.
Claims (2)
1. absorption-jet type combined refrigeration machine, it is characterized in that: lithium-bromide absorption-type refrigerating machine generator (1) links to each other with lithium-bromide absorption-type refrigerating machine condenser (2), and lithium-bromide absorption-type refrigerating machine generator (1) passes through the first throttle valve (7) of lithium-bromide absorption-type refrigerating machine respectively, solution pump (6) links to each other with lithium-bromide absorption-type refrigerating machine absorber (5), lithium-bromide absorption-type refrigerating machine condenser (2) links to each other with lithium-bromide absorption-type refrigerating machine evaporimeter (4) by U type pipe (3), and lithium-bromide absorption-type refrigerating machine evaporimeter (4) links to each other with lithium-bromide absorption-type refrigerating machine absorber (5); Lithium-bromide absorption-type refrigerating machine condenser (2) links to each other with ejector type refrigerating machine injector (13), injector (13) links to each other with lithium-bromide absorption-type refrigerating machine evaporimeter (4), injection standard evaporator of refrigerator (11) respectively, lithium-bromide absorption-type refrigerating machine evaporimeter (4) links to each other with ejector type refrigerating machine evaporimeter (11) by second choke valve (10), and the refrigerated medium pump (12) by ejector type refrigerating machine links to each other with lithium-bromide absorption-type refrigerating machine condenser (2).
2. compound-refrigerating machine according to claim 1 is characterized in that: between lithium-bromide absorption-type refrigerating machine generator (1) and lithium-bromide absorption-type refrigerating machine solution pump (6) and first throttle valve (7), heat exchanger is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420017014 CN2681049Y (en) | 2004-01-17 | 2004-01-17 | Absorption-injection type composite refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420017014 CN2681049Y (en) | 2004-01-17 | 2004-01-17 | Absorption-injection type composite refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2681049Y true CN2681049Y (en) | 2005-02-23 |
Family
ID=34606480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420017014 Expired - Lifetime CN2681049Y (en) | 2004-01-17 | 2004-01-17 | Absorption-injection type composite refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2681049Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102954617A (en) * | 2012-11-27 | 2013-03-06 | 西安交通大学 | Compound heat pump with steam type injection/lithium bromide absorption |
| CN104676958A (en) * | 2015-02-03 | 2015-06-03 | 北京建筑大学 | Ejection-absorbing hybrid refrigerating and heat pump unit and operating method thereof |
| CN106403355A (en) * | 2016-11-22 | 2017-02-15 | 中国矿业大学 | Ejection refrigeration system with double evaporators |
-
2004
- 2004-01-17 CN CN 200420017014 patent/CN2681049Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102954617A (en) * | 2012-11-27 | 2013-03-06 | 西安交通大学 | Compound heat pump with steam type injection/lithium bromide absorption |
| CN104676958A (en) * | 2015-02-03 | 2015-06-03 | 北京建筑大学 | Ejection-absorbing hybrid refrigerating and heat pump unit and operating method thereof |
| CN106403355A (en) * | 2016-11-22 | 2017-02-15 | 中国矿业大学 | Ejection refrigeration system with double evaporators |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20060614 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |