CN201666706U - Refrigerating system - Google Patents

Refrigerating system Download PDF

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Publication number
CN201666706U
CN201666706U CN2009201743059U CN200920174305U CN201666706U CN 201666706 U CN201666706 U CN 201666706U CN 2009201743059 U CN2009201743059 U CN 2009201743059U CN 200920174305 U CN200920174305 U CN 200920174305U CN 201666706 U CN201666706 U CN 201666706U
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CN
China
Prior art keywords
condenser
refrigeration
water
refrigerating
frozen water
Prior art date
Application number
CN2009201743059U
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Chinese (zh)
Inventor
徐海军
Original Assignee
内蒙古伊利实业集团股份有限公司
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Priority to CN2009201743059U priority Critical patent/CN201666706U/en
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Publication of CN201666706U publication Critical patent/CN201666706U/en

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Abstract

The utility model relates to a refrigerating system, which comprises an ammonia refrigerating cycle unit, a refrigerating water cycle unit and an ice-water cycle unit. The refrigerating system is the improvement based on the existing refrigerating system. In the refrigerating system, a condenser plays effect as a water cooling tower; the refrigerating compressor, an air-water box and the condenser stops running, the condenser refrigerating is replaced by a natural cooling way; return ice water outside the system is directly drained to the condenser; temperature reduction of return water of the workshop is conducted through the role of the outside cold air, then the return water returns back to an ice water tank to be repeatedly used by the outside of the system. The refrigerating system can effectively utilize the natural condition of cold air in northern winter to replace the existing refrigerating system using the refrigerating compressor to refrigerate, directly prepares ice water to use, thereby saving energy source and extending service life of the refrigerating system.

Description

A kind of refrigeration system
Technical field
The utility model relates to a kind of refrigeration system, relates in particular to a kind of refrigeration system that can utilize natural conditions to realize refrigeration.
Background technology
Currently used refrigeration system generally all is made up of refrigeration compressor, storage ammonia jar, condenser, evaporimeter, pipeline and valve etc., its operation principle is: the low-pressure, liquid refrigerant in the storage ammonia jar is fed to evaporimeter by ammonia pump, being cooled medium and vaporizing around absorbing, thereby reduce the temperature of water, reach the purpose of refrigeration; The cold-producing medium of vaporization is aspirated by compressor, and the compression of compressed machine makes the cold-producing medium of vaporization become HTHP and enter condenser; The vaporized refrigerant of HTHP becomes liquid through the water and air cooling in condenser, flow back to again in the storage ammonia jar, thereby finish kind of refrigeration cycle.The effect of compressor is to keep cold-producing medium constantly to circulate in system.
Condenser is one of important accessory of refrigeration system, in process of refrigerastion, play a part quantity of heat given up and make ammonia be able to condensation (promptly utilizing the convection current of water and air to absorb the heat of gas), after the hyperthermia and superheating ammonia of discharging from refrigeration compressor enters condenser, under the effect of water and air, make the cold-producing medium high pressure superheated steam be re-condensed into liquid.
The northern area of China temperature on average in winter generally all is lower than zero degrees celsius, if can utilize winter these natural conditions of weather content to substitute compressor and freeze, and conservation of power equal energy source greatly.
The utility model content
For solving the problems of the technologies described above, the purpose of this utility model is to provide a kind of refrigeration system, substitutes at present institute's compressor cooling of employing often by utilizing cold natural conditions.
For achieving the above object, the utility model provides a kind of refrigeration system, and it comprises:
Ammonia kind of refrigeration cycle unit, described ammonia kind of refrigeration cycle unit comprises refrigeration compressor, storage ammonia jar, condenser coil and frozen water case evaporator coil, the outlet of described refrigeration compressor is connected with the inlet of condenser coil, the outlet of described condenser coil is connected with the inlet of described storage ammonia jar, the outlet of described storage ammonia jar is connected with the inlet of described frozen water case evaporator coil by ammonia pump or expansion valve, and the outlet of described frozen water case evaporator coil is connected with the inlet of described refrigeration compressor;
The cooling water cycling element, described cooling water cycling element comprises interconnective condenser and cooling water cycle water case, the outlet of described cooling water cycle water case is connected with the inlet of described condenser by valve (41), the outlet of described condenser is connected with the inlet of described cooling water cycle water case by valve (42), and described condenser coil is positioned at described condenser;
The ice water circulation unit, described ice water circulation unit comprises frozen water case, CHR and frozen water outlet pipe, and described frozen water case is connected with the frozen water outlet pipe with CHR respectively, and described CHR is provided with valve (43), and described frozen water case evaporator coil is positioned at described frozen water case;
Wherein, described CHR is connected with the inlet of described condenser, and the outlet of described condenser is connected with the inlet of described frozen water case.
In the refrigeration system that utility model provides, preferably, the outlet of described cooling water cycle water case is connected with the inlet of described condenser by cooling water circulating pump and valve (41).
In the refrigeration system that utility model provides, preferably, the outlet of described condenser is connected with the inlet of described frozen water case by valve (46).
In the refrigeration system that utility model provides, preferably, described CHR is connected with the inlet of described condenser by valve (44).
In the refrigeration system that utility model provides, preferably, described frozen water outlet pipe is provided with valve (45); More preferably, described frozen water outlet pipe can also be provided with the ice water circulation pump.
In the refrigeration system that utility model provides, preferably, be provided with fan and spray facility in the described condenser.
The refrigeration system that the utility model provides is to obtain by improvement on the basis of existing refrigeration system, in this refrigeration system, (condenser can be furnished with fan to the effect of the just cooling tower that condenser plays, spray facility etc., water is done to spray in condenser inlet and is let out outlet down under the shape), refrigeration compressor, ammonia evaporator and ammonia condenser are with out of service, replace compressor cooling with the natural type of cooling, promptly utilize the principle of condenser heat radiation, the frozen water backwater of system outside directly drains into condenser, effect by cool exterior air, make workshop backwater cooling, and then get back to ice model tank, move in circles and use for system is outside.
The refrigeration system of utilizing the utility model to provide, can effectively utilize these natural conditions of the cold air of north of china in winter, the system that alternative existing employing refrigeration compressor etc. freezes directly prepares frozen water for use, thereby energy savings prolongs the service life of refrigeration system.
Description of drawings
The following drawings only is intended to the utility model done and schematically illustrates and explain, does not limit scope of the present utility model.Wherein:
The schematic diagram of the refrigeration system that Fig. 1 provides for embodiment 1;
The schematic diagram of the refrigeration system that Fig. 2 provides for embodiment 2;
The schematic diagram of the refrigeration system that Fig. 3 provides for embodiment 3.
The drawing reference numeral explanation:
Refrigeration compressor 11 storage ammonia jars 12 condenser coils 13 ammonia pumps 14 frozen water case evaporator coils 15 condensers 21 cooling water cycle water casees 22 cooling water circulating pumps 23 frozen water casees 31 CHRs 32 frozen water outlet pipes 33 ice water circulation pumps 34 valves 41,42,43,44,45,46
The specific embodiment
Understand for technical characterictic of the present utility model, purpose and beneficial effect being had more clearly, the technical solution of the utility model is carried out following detailed description, but but can not be interpreted as qualification practical range of the present utility model referring now to Figure of description.
Embodiment 1
Present embodiment provides a kind of refrigeration system, its structure as shown in Figure 1, this refrigeration system comprises:
Ammonia kind of refrigeration cycle unit, it comprises refrigeration compressor 11, storage ammonia jar 12, condenser coil 13 and frozen water case evaporator coil 15, the outlet of refrigeration compressor 11 is connected with the inlet of condenser coil 13, the outlet of condenser coil 13 is connected with the inlet of storage ammonia jar 12, the outlet of storage ammonia jar 12 is connected with the inlet of frozen water case evaporator coil 15 by ammonia pump 14, and the outlet of frozen water case evaporator coil 15 is connected with the inlet of refrigeration compressor 11;
The cooling water cycling element, it comprises interconnective condenser 21 and cooling water cycle water case 22, the outlet of cooling water cycle water case 22 is connected with the inlet of condenser 21 by valve 41, the outlet of condenser 21 is connected with the inlet of cooling water cycle water case 22 by valve 42, and, condenser coil 13 is positioned at condenser 21, can realize the heat exchange between ammonia and the cooling water;
The ice water circulation unit, it comprises frozen water case 31, CHR 32 and frozen water outlet pipe 33, frozen water case 31 is connected with frozen water outlet pipe 33 with CHR 32 respectively, CHR 32 is provided with valve 43, and, frozen water case evaporator coil 15 is positioned at frozen water case 31, can realize the heat exchange between ammonia and the frozen water;
In addition, CHR 32 is connected by the inlet of pipeline with condenser 21, and the inlet of this pipeline is positioned at the end of valve 43 away from frozen water case 31, and the outlet of condenser is connected by the inlet of pipeline with frozen water case 31.
When being in cold following time of natural conditions, valve 41, valve 42 and valve 43 are closed, CHR 32, condenser 21, frozen water case 31 and frozen water outlet pipe 33 are formed a new kind of refrigeration cycle, the frozen water backwater that comes from the outside enters the condenser 21 through CHR 32, carry out heat exchange with the cold air of outside, reach the purpose that reduces water temperature; Frozen water after the cooling enters in the frozen water case 31, and is transported in the system outside (for example workshop) for use by water circulating pump by the frozen water outlet pipe 33 that is attached thereto.
Temperature is below-15 ℃ the time, free convection just can be satisfied the requirement of frozen water and outside cold air heat exchange, when temperature during at 0 ℃ to-15 ℃, can be by the mode of fan and/or spray facility etc. be set in condenser 21, quicken cross-ventilated mode, promote the heat exchange of frozen water and outside cold air.
When utilizing refrigeration compressor 11 to carry out refrigeration work, cooling water cycle water case 33 carries out condensation for condenser 21 provides the water source to ammonia, and frozen water case 31 is the facilities that store frozen water, and built-in frozen water case evaporator coil 15 is made frozen water and here finished; When utilizing outside cold air to freeze, because of refrigeration compressor 11 quits work, cooling water cycle water case 22 has also just lost above-mentioned effect, and just use its pipeline this moment, and frozen water case 31 has also become the water tank of single storage frozen water.
The refrigeration system that present embodiment provides has changed original frozen water loop, frozen water does not flow to frozen water case (evaporation tank) 31 and enters condenser 21, utilize the operation principle of original condenser 21 (this condenser also can be a cooling tower), outdoor air by cold reduces water temperature, promptly between CHR 32 and condenser 21, do connecting pipe, and this connecting pipe can be controlled with valve, by being the pressure of workshop supply chilled water, recycle.
Embodiment 2
The refrigeration system that present embodiment provides is further to improve to obtain on the basis of the refrigeration system that embodiment 1 provides, its structure as shown in Figure 2, except the structure that refrigeration system had that embodiment 1 provides, this refrigeration system also comprises: CHR 32 is provided with valve 44 with the connecting pipe of condenser 21, frozen water outlet pipe 45 is provided with valve 45, and condenser 21 is provided with valve 46 with the connecting pipe of frozen water case 31.
The refrigeration system that adopts present embodiment to provide, when environment temperature can't make frozen water be reduced to enough low temperature, valve 41, valve 42, valve 43 and valve 45 can be opened, simultaneously valve 44 and valve 46 are closed, make this refrigeration system return to the state of the common refrigeration machine refrigeration that is adopted, continue to realize the purpose of refrigeration to utilize refrigeration machine.
The refrigeration system that present embodiment provides can realize the conversion of two kinds of refrigeration modes easily, can adapt to the needs of production better.
Embodiment 3
The structure of the refrigeration system that present embodiment provides as shown in Figure 3, the difference of the refrigeration system that itself and embodiment 2 provide is: be provided with a cooling water circulating pump 23 between cooling water cycle water case 22 and the valve 41, be provided with an ice water circulation pump 34 between valve 45 on the frozen water outlet pipe 33 and the frozen water case 31, and, the port of export of the valve 44 of CHR 32 is connected to the port of export of valve 41, promptly use connecting pipe between cooling water cycle water case 22 and the condenser 21 and realize being connected between CHR 32 and the condenser 21, with the saving connecting pipe.
Wherein, the port of export of valve 44 can be that three pipelines directly are communicated with the junction of the port of export of valve 41, also can adopt a triple valve to come alternative valve 41, valve 44, three ends of triple valve are connected with CHR 32, cooling water cycle water case 22 and condenser 21 respectively.
The refrigeration system that adopts the utility model to provide can satisfy the refrigeration needs of cold district in winter.During the 1-3 month of general cold district in the winter time, need not open refrigeration compressor fully, the wearing and tearing of equipment have been reduced, utilize this section free time that refrigeration compressor is overhauled simultaneously, in addition, the running of also stopping accordingly of the equipment of auxiliary compressor operation, by using this equipment, saves energy greatly, to move 3 months, move 18 hours every day and be example, approximately can economize on electricity 144990KWh (if this refrigeration system plant capacity is big before and after the refrigeration system that adopts the utility model to provide, the electric weight of saving can be more), the power of each equipment of refrigeration system is as shown in table 1.
The power of each equipment of table 1 refrigeration system

Claims (7)

1. a refrigeration system is characterized in that, this refrigeration system comprises:
Ammonia kind of refrigeration cycle unit, described ammonia kind of refrigeration cycle unit comprises refrigeration compressor, storage ammonia jar, condenser coil and frozen water case evaporator coil, the outlet of described refrigeration compressor is connected with the inlet of condenser coil, the outlet of described condenser coil is connected with the inlet of described storage ammonia jar, the outlet of described storage ammonia jar is connected with the inlet of described frozen water case evaporator coil by ammonia pump or expansion valve, and the outlet of described frozen water case evaporator coil is connected with the inlet of described refrigeration compressor;
The cooling water cycling element, described cooling water cycling element comprises interconnective condenser and cooling water cycle water case, the outlet of described cooling water cycle water case is connected with the inlet of described condenser by valve (41), the outlet of described condenser is connected with the inlet of described cooling water cycle water case by valve (42), and described condenser coil is positioned at described condenser;
The ice water circulation unit, described ice water circulation unit comprises frozen water case, CHR and frozen water outlet pipe, described frozen water case is connected with described frozen water outlet pipe with described CHR respectively, described CHR is provided with valve (43), and described frozen water case evaporator coil is positioned at described frozen water case;
Wherein, described CHR is connected with the inlet of described condenser, and the outlet of described condenser is connected with the inlet of described frozen water case.
2. refrigeration system as claimed in claim 1 is characterized in that, the outlet of described cooling water cycle water case is connected with the inlet of described condenser by cooling water circulating pump and valve (41).
3. refrigeration system as claimed in claim 2 is characterized in that, the outlet of described condenser is connected with the inlet of described frozen water case by valve (46).
4. refrigeration system as claimed in claim 1 is characterized in that, described CHR is connected with the inlet of described condenser by valve (44).
5. refrigeration system as claimed in claim 1 is characterized in that, described frozen water outlet pipe is provided with valve (45).
6. refrigeration system as claimed in claim 5 is characterized in that, described frozen water outlet pipe also is provided with the ice water circulation pump.
7. refrigeration system as claimed in claim 1 is characterized in that, is provided with fan and spray facility in the described condenser.
CN2009201743059U 2009-12-04 2009-12-04 Refrigerating system CN201666706U (en)

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CN2009201743059U CN201666706U (en) 2009-12-04 2009-12-04 Refrigerating system

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102353097A (en) * 2011-06-25 2012-02-15 广东美的电器股份有限公司 Air conditioner for machine room
CN102944092A (en) * 2012-12-12 2013-02-27 谢逢华 Dual-refrigerant refrigerator
TWI414737B (en) * 2010-12-09 2013-11-11
CN104154695A (en) * 2014-08-13 2014-11-19 苏州市朗吉科技有限公司 Water chilling unit
CN112189492A (en) * 2020-12-07 2021-01-08 国家粳稻工程技术研究中心 Indoor dehumidification system in low-temperature high-humidity environment

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI414737B (en) * 2010-12-09 2013-11-11
CN102353097A (en) * 2011-06-25 2012-02-15 广东美的电器股份有限公司 Air conditioner for machine room
CN102944092A (en) * 2012-12-12 2013-02-27 谢逢华 Dual-refrigerant refrigerator
CN104154695A (en) * 2014-08-13 2014-11-19 苏州市朗吉科技有限公司 Water chilling unit
CN112189492A (en) * 2020-12-07 2021-01-08 国家粳稻工程技术研究中心 Indoor dehumidification system in low-temperature high-humidity environment
CN112189492B (en) * 2020-12-07 2021-03-16 国家粳稻工程技术研究中心 Indoor dehumidification system in low-temperature high-humidity environment

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Granted publication date: 20101208

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