CN2932240Y - Flooded refrigerating equipment of refrigeration equipment evaporator - Google Patents
Flooded refrigerating equipment of refrigeration equipment evaporator Download PDFInfo
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- CN2932240Y CN2932240Y CN 200620004509 CN200620004509U CN2932240Y CN 2932240 Y CN2932240 Y CN 2932240Y CN 200620004509 CN200620004509 CN 200620004509 CN 200620004509 U CN200620004509 U CN 200620004509U CN 2932240 Y CN2932240 Y CN 2932240Y
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- evaporimeter
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Abstract
A freezing equipment evaporator full-liquid type refrigerating plant comprises an evaporator, a refrigerating compressor, a condenser and an exsiccating filter, wherein the export of the refrigerating compressor is connected with the condenser, the output of the condenser is connected with the evaporator through the exsiccating filter, the evaporator is connected with the inlet of the refrigerating compressor via a return-air tube, the utility model is characterized in that the condenser is connected with the lower gob of the evaporator, the upper gob of the evaporator is re-joined with the inlet of the refrigerating compressor via return-air tube. The plant makes the refrigerant which does not evaporate is kept in the lower portion of the evaporator to form a full-liquid type evaporation, the evaporation of the refrigerant is relatively sufficient in unit time, the heat transfer rate of the pipe is enhanced to 8000 KM / M <2>, the refrigerating capacity in unit time is increased for making the virtual operating time of the compressor decreased and reducing the energy consumption.
Description
Technical field
The utility model relates to a kind of refrigerating plant, particularly a kind of can improve refrigerating efficiency, cut down the consumption of energy be used for refrigerator, refrigerator-freezer or freezer class refrigerating equipment vapourator full-liquid formula refrigerating plant.
Background technology
Shown in Figure 1 is the existing schematic perspective view that is installed on the refrigerating plant in the horizontal chest freezer.This refrigerating plant comprises: horizontal coiled-tube evaporimeter (abbreviation evaporimeter) 1, refrigeration compressor 2, device for drying and filtering 3, condenser 4 and capillary or expansion valve; The outlet of described refrigeration compressor 2 connects condenser 4, compressed liquid high temperature refrigerant becomes the low temperature liquid cold-producing medium by condenser 4, the low temperature liquid cold-producing medium after by the decompression of device for drying and filtering 3, capillary-compensated by the evaporimeter 1 that enters suitable for reading of evaporimeter 1, normally liquid refrigerant is sprayed and enter evaporimeter 1 by nozzle, liquid refrigerant expands rapidly in evaporimeter, become gaseous state by liquid state, absorb a large amount of heats, thereby reach the purpose of refrigeration, and gaseous refrigerant is got back to the inlet of refrigeration compressor 2 by the end opening cooled via return air pipe of evaporimeter.
As seen from the figure, horizontal coiled-tube evaporimeter described in the utility model is meant: the coil pipe of evaporimeter roughly is horizontal level, and one encloses obliquely and spirals from top to bottom or from bottom to top.This horizontal coiled-tube evaporimeter is mainly used in horizontal chest freezer or freezer.And described horizontal coiled-tube evaporimeter is to be arranged in the four sides sidewall of horizontal chest freezer or the wall of freezer.
Existing this going up supplies liquid feed device next time, cold-producing medium enters (the evaporimeter top) suitable for reading of evaporimeter by capillary-compensated, and along the trend of evaporimeter, one encloses the evaporation that flows downward of tilting, cold-producing medium is heat temperature rising in the respiratory box in evaporimeter, and pressure increases.Under press work, the pressure of the inlet junction of muffler group and refrigeration compressor is very low, make evaporator inlet and outlet pressure reduction very big, the flow velocity V of cold-producing medium increases, part of refrigerant just enters the muffler group under the situation of fully not evaporated, this not only wastes energy, and will might be able to not satisfy the demand of casing to cold; Operate as normal to press under the big situation of groundwater increment causes damage.In this case, the heat transfer coefficient of evaporimeter is about 5000KW/M
2This problem also is present in the horizontal tube coil evaporimeter of vertical placement.The horizontal tube coil evaporimeter of described vertical placement is that the straight-tube portion of coiled pipe is and is horizontally disposed with, a plurality of horizontally disposed straight tubes connect from bottom to top by 180 ° of elbows or from top to bottom vertically place, as are located at the coiled pipe evaporimeter of refrigerator side (left and right or rear side).
Above-mentioned this feed liquid method, cold-producing medium enters the evaporimeter evaporation of expanding with spray regime by suitable for reading, and the liquid refrigerant that a part that causes greatly because of evaporator inlet and outlet pressure reduction is not fully evaporated is drawn into compressor rapidly by muffler.In evaporimeter, there is not liquid refrigerant.The evaporation mode that does not have cold-producing medium in this evaporimeter is called the fountain evaporation.
At application number 94238141, name is called in the utility model patent of [horizontal efficient flooded evaporator], a kind of horizontal efficient flooded evaporator is disclosed, its structure as shown in Figure 2, form by housing 10 and heat-transfer pipe 20, heat-transfer pipe 20 is positioned at housing 10, it is characterized in that, a liquid-distributing plate 70 is equipped with at inlet 50 places at described housing inner bottom part, on this liquid-distributing plate 70 many apertures are arranged, in described case top return-air mouth 40 more than three or three is arranged, in housing, overheated heat-transfer pipe 80 is arranged near in the separated space 90 of return-air mouth 40 1 sides.The utility model is rational in infrastructure, and it can make cold-producing medium along housing shaft to boiling evenly, thereby causes its heat transfer coefficient big.
The flooded evaporator that above-mentioned patent provides is a kind of horizontal shell evaporimeter that is used for central air-conditioning, and the refrigerating fluid in this evaporimeter is evaporation and carry out heat exchange with the heat-transfer pipe of being located in the housing 10 20 in housing 10.
Be called 02268480 of application number in the utility model patent of [central air-conditioning unit refrigerant flow control device] and also disclose a kind of central air-conditioning unit refrigerant flow control device, its structure as shown in Figure 3, be the full-liquid type central air-conditioning unit refrigerant flow control device of applying electronic formula expansion valve specifically, it has flooded evaporator 19, air entry 11, refrigerant feed liquid pipeline 18, inspiratory pressure sensor 12, suction temperature sensor 13, evaporimeter liquid level sensor 14, be characterized in, inspiratory pressure sensor 12, suction temperature sensor 13, one end of evaporimeter liquid level sensor 14 is connected with electronic expansion valve controller 15 in regular turn, driver 16, electronic expansion valve 17, electronic expansion valve 17 outputs and cold-producing medium heat supplying pipeline one end join, the utility model fully combines electronic expansion valve with the refrigeration air-conditioner unit, the response speed of having given play to electronic expansion valve is fast, the advantage that control accuracy is high, make the Energy Efficiency Ratio of product, heat exchange efficiency obviously improves, make unit operation more stable, the utility model is the optimal control device of present central air-conditioning unit refrigerant flow.
And used evaporimeter has coiled, coiled and band-tube type in refrigerator, refrigerator-freezer or refrigerating chamber, the evaporimeter of the form of ownership in refrigerator or the refrigerator-freezer, cold-producing medium wherein all is expand to evaporate in pipe, carries out heat exchange by tube wall or fin and the air be located on the tube wall.How realize in the evaporimeter in refrigerator or refrigerator-freezer that the full-liquid type evaporation is a key problem in technology to be solved in the utility model.
For solving the above-mentioned deficiency of prior art, utility model people is according to the own refrigerating theory that is possessed, be engaged in the experience of refrigeration work for a long time, through a large amount of tests, the Data Detection analysis contrasts, and proposes the refrigerating plant of a kind of refrigerating equipment vapourator full-liquid formula method of evaporating and this method.
Summary of the invention
Technical problem to be solved in the utility model is at the above-mentioned deficiency of prior art, and to provide a kind of refrigerating equipment vapourator full-liquid formula refrigerating plant that can improve refrigerating efficiency, cut down the consumption of energy.
The full-liquid type method of evaporating of refrigerating equipment provided by the utility model is realized by following technical scheme.
A kind of refrigerating equipment vapourator full-liquid formula refrigerating plant comprises: evaporimeter, refrigeration compressor, condenser, device for drying and filtering; The outlet of described refrigeration compressor connects condenser, compressed liquid high temperature refrigerant becomes the low temperature liquid cold-producing medium by condenser, the output of described condenser connects evaporimeter by device for drying and filtering, the liquid refrigerant that drying is filtered expands rapidly in evaporimeter, become gaseous state by liquid state, absorb a large amount of heats, thereby reach the purpose of refrigeration, and gaseous refrigerant is got back to the inlet of refrigeration compressor by evaporimeter cooled via return air pipe, it is characterized in that: described condenser connects the end opening of evaporimeter, the inlet of the cooled via return air pipe tieback refrigeration compressor suitable for reading of evaporimeter.
Described refrigerating equipment vapourator full-liquid formula refrigerating plant is characterized in that: described evaporimeter is horizontal coiled-tube evaporimeter or the vertical horizontal tube coil evaporimeter of placing.
Described refrigerating equipment vapourator full-liquid formula refrigerating plant is characterized in that: also be provided with capillary in the loop, described capillary is connected between described device for drying and filtering and the evaporimeter end opening.
Described refrigerating equipment vapourator full-liquid formula refrigerating plant is characterized in that: also be provided with expansion valve in the loop, described expansion valve is connected between described device for drying and filtering and the horizontal coiled-tube evaporimeter end opening.
The beneficial effects of the utility model are:
1, return device was improved to down and keeps supplying return device under the utility model will be gone up and supply, condensed refrigerant enters evaporimeter through behind the capillary-compensated from the evaporimeter end opening, evaporates from bottom to top, gaseous refrigerant advances the muffler group from evaporimeter is suitable for reading, returns press; Cold-producing medium also has the gravity effect of itself under same pressure of inspiration(Pi), make the cold-producing medium that does not have evaporation also will stay the evaporimeter bottom and form the full-liquid type evaporation, and unit interval inner refrigerant evaporite ratio is more abundant, and the heat transfer coefficient of pipe is brought up to 8000KW/M
2, improved the unit interval refrigerating capacity, the working time of press reality is reduced, reduced energy consumption.
2, test separate unit energy consumption under same casing, weather conditions from 0.91kW.h/24h, is reduced to 0.78kW.h/24h, and just the separate unit energy consumption has reduced by 14.29%, and level 8% totally cuts down the consumption of energy.
3, can also effectively reduce noise and cost:
For architectural feature of the present utility model and effect thereof are had further understanding, enumerate specific embodiment now and be described with reference to the accompanying drawings as follows.
Description of drawings
Fig. 1 is the schematic perspective view of the refrigerating plant in the existing horizontal chest freezer.
Fig. 2 is the schematic diagram of the flooded evaporator in the existing central air-conditioning.
Fig. 3 is the flooded evaporator refrigerant flow control device schematic diagram in the existing central air-conditioning.
Fig. 4 is the schematic perspective view of the refrigerating plant of the utility model refrigerating equipment.
The specific embodiment
The utility model is for solving for existing evaporator inlet of liquid feed device and outlet pressure reduction are very big next time, and make part of refrigerant under the situation of fully not evaporated, just enter the muffler group, the energy waste that is caused, the low problem of the heat transfer coefficient of evaporimeter and a kind of improvement of proposing.
Full-liquid type evaporation described in the utility model is in the kind of refrigeration cycle process, do not have liquid cold-producing medium and enter refrigeration compressor via muffler, remain with a part of liquid refrigerant in the evaporimeter, the evaporation boiling of cold-producing medium occurs in described inside and the surface that remaines in the liquid refrigerant in the described evaporimeter.
If will realize described full-liquid type evaporation, must be to make the cold-producing medium that is not fully evaporated not enter the muffler group, and be retained in the evaporimeter that further explosive evaporation is until vaporization fully.According to existing refrigerating equipment vapourator full-liquid formula refrigerating plant, because of cold-producing medium enters the end opening sucking-off by evaporimeter is suitable for reading, entrance and exit pressure reduction is big, and part of refrigerant is not fully evaporated and entered muffler with liquid state, and cause refrigerating efficiency low, energy waste.
A kind of refrigerating equipment vapourator full-liquid formula refrigerating plant provided by the utility model (as shown in Figure 4) comprising: horizontal coiled-tube evaporimeter 1, refrigeration compressor 2, condenser 4, device for drying and filtering 3; The outlet of described refrigeration compressor 2 connects condenser 4, compressed liquid high temperature refrigerant becomes the low temperature liquid cold-producing medium by condenser 4, the output of described condenser 4 connects the end opening of evaporimeter 1 by device for drying and filtering 3, the liquid refrigerant that drying is filtered expands rapidly in evaporimeter, become gaseous state by liquid state, absorb a large amount of heats, thereby reach the purpose of refrigeration, and gaseous refrigerant is got back to the inlet of refrigeration compressor 2 by the cooled via return air pipe suitable for reading of evaporimeter.
Also be provided with capillary in the loop, described capillary is connected between described device for drying and filtering 3 and horizontal coiled-tube evaporimeter 1 end opening.Effect capillaceous is an expenditure and pressure, and also available expansion valve replaces capillary in the loop, and described expansion valve is connected between described device for drying and filtering and the horizontal coiled-tube evaporimeter end opening.
Under keep supplying in the return device refrigerating plant, after condensed refrigerant is passed through capillary-compensated again, enter evaporimeter from the evaporimeter end opening, carry out one and enclose upwards full-liquid type evaporation, advance the muffler group from evaporimeter is suitable for reading, arrive press again; Evaporated liquor also has the gravity effect of itself under same pressure of inspiration(Pi), make the cold-producing medium that does not have evaporation also stay the evaporimeter bottom and evaporate, and unit interval inner refrigerant evaporite ratio is more abundant, and the heat transfer coefficient of evaporimeter is brought up to 8000KW/M
2Thereby, improved the unit interval refrigerating capacity, the working time of press reality is reduced, reduced energy consumption.
Passing through a large amount of test data statistical analyses: the test separate unit can consume energy from 0.91kW.h/24h under same casing, weather conditions, is reduced to 0.78kW.h/24h, has just improved 14.29%.Level 8% totally cuts down the consumption of energy.
Draw from test statistics: by the feed liquid way contrast test of handle assembly, the flooded evaporator device of keeping supplying back liquid feed device down can play the effect that cuts down the consumption of energy.
Can also effectively reduce noise and cost:
1, because cold-producing medium carries out evaporimeter through capillary-compensated from the evaporimeter end opening, changed the position of throttling eruption, effectively reduced the propagation of noise, reduced noise.
2, keeping supplying back liquid feed device evaporimeter integral body down is exactly a big reservoir, just can reduce original going up and supply return device reservoir down, can effectively reduce cost 1.9 yuan.Integral body has improved the competitiveness of product.
Claims (4)
1, a kind of refrigerating equipment vapourator full-liquid formula refrigerating plant comprises: evaporimeter, refrigeration compressor, condenser, device for drying and filtering; The outlet of described refrigeration compressor connects condenser, compressed high temperature and high pressure gaseous refrigerant becomes the low temperature liquid cold-producing medium by condenser, the output of described condenser connects evaporimeter by device for drying and filtering, the liquid refrigerant that drying is filtered enters evaporimeter and expands rapidly after capillary or expansion valve throttling step-down, become gaseous state by liquid state, absorb a large amount of heats, thereby reach the purpose of refrigeration, and gaseous refrigerant is got back to the inlet of refrigeration compressor by evaporimeter cooled via return air pipe, it is characterized in that: described condenser connects the end opening of evaporimeter, the inlet of the cooled via return air pipe tieback refrigeration compressor suitable for reading of evaporimeter.
2, refrigerating equipment vapourator full-liquid formula refrigerating plant according to claim 1 is characterized in that: described evaporimeter is horizontal coiled-tube evaporimeter or the vertical horizontal tube coil evaporimeter of placing.
3, refrigerating equipment vapourator full-liquid formula refrigerating plant according to claim 2, it is characterized in that: also be provided with capillary in the loop, described capillary is connected between described device for drying and filtering and the evaporimeter end opening.
4, refrigerating equipment vapourator full-liquid formula refrigerating plant according to claim 2 is characterized in that: also be provided with expansion valve in the loop, described expansion valve is connected between described device for drying and filtering and the horizontal coiled-tube evaporimeter end opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620004509 CN2932240Y (en) | 2006-02-24 | 2006-02-24 | Flooded refrigerating equipment of refrigeration equipment evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620004509 CN2932240Y (en) | 2006-02-24 | 2006-02-24 | Flooded refrigerating equipment of refrigeration equipment evaporator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2932240Y true CN2932240Y (en) | 2007-08-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620004509 Ceased CN2932240Y (en) | 2006-02-24 | 2006-02-24 | Flooded refrigerating equipment of refrigeration equipment evaporator |
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| CN (1) | CN2932240Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101025315B (en) * | 2006-02-23 | 2011-07-27 | 海尔集团公司 | Refrigerating apparatus vapourator full-liquid type vapourating method, liquid-supply method and refrigerating apparatus |
| CN102345946A (en) * | 2010-07-05 | 2012-02-08 | 艾默生网络动力有限公司 | Power consumption economizer for refrigerating machines of the chiller type |
| CN103673364A (en) * | 2013-12-31 | 2014-03-26 | 浙江华美电器制造有限公司 | Refrigerator refrigerating cycle structure |
| CN105441850A (en) * | 2016-01-12 | 2016-03-30 | 无锡市斯威克科技有限公司 | Tinning cooling device for welding strips |
-
2006
- 2006-02-24 CN CN 200620004509 patent/CN2932240Y/en not_active Ceased
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101025315B (en) * | 2006-02-23 | 2011-07-27 | 海尔集团公司 | Refrigerating apparatus vapourator full-liquid type vapourating method, liquid-supply method and refrigerating apparatus |
| CN102345946A (en) * | 2010-07-05 | 2012-02-08 | 艾默生网络动力有限公司 | Power consumption economizer for refrigerating machines of the chiller type |
| CN103673364A (en) * | 2013-12-31 | 2014-03-26 | 浙江华美电器制造有限公司 | Refrigerator refrigerating cycle structure |
| CN105441850A (en) * | 2016-01-12 | 2016-03-30 | 无锡市斯威克科技有限公司 | Tinning cooling device for welding strips |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20070808 |
|
| EXPY | Termination of patent right or utility model | ||
| IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 20150430 Decision number of declaring invalidation: 25733 Granted publication date: 20070808 |