CN204063661U - The accurate heat-exchange system of a kind of air-cooled split type frozen water machine - Google Patents

The accurate heat-exchange system of a kind of air-cooled split type frozen water machine Download PDF

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Publication number
CN204063661U
CN204063661U CN201420490724.4U CN201420490724U CN204063661U CN 204063661 U CN204063661 U CN 204063661U CN 201420490724 U CN201420490724 U CN 201420490724U CN 204063661 U CN204063661 U CN 204063661U
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China
Prior art keywords
premises station
indoor set
circulation fluid
evaporimeter
input port
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Expired - Fee Related
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CN201420490724.4U
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Chinese (zh)
Inventor
张翔
朱铁明
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PHST Corp
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PHST Corp
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Abstract

The utility model discloses the accurate heat-exchange system of a kind of air-cooled split type frozen water machine, add the heat exchanger (evaporimeter) of a road and outer gas (air) in systems in which, when controlled first circulation fluid heat load is less than refrigerator refrigerating capacity, residue refrigerating capacity part is used for doing heat exchange (external gas freezes) with outer gas by system, thus facilitate the lasting high accuracy temperature control of controlled first circulation fluid, save production cost, improve production efficiency.

Description

The accurate heat-exchange system of a kind of air-cooled split type frozen water machine
[technical field]
The utility model relates to field of heat exchange, particularly relates to the accurate heat-exchange system of a kind of air-cooled split type frozen water machine.
[background technology]
In the industrial production, air-cooled frozen water machine usually uses the ON/OFF of compressor or adopts the heating agent bypass of refrigerant (freon) to carry out temperature control to circulating fluid.Due to the restriction by mechanical performance, the cycle that refrigerator ON/OFF switches is longer, cannot meet to the requirement of circulating fluid accuracy of temperature control higher (such as ± 0.5 DEG C, ± 0.1 DEG C, ± 0.01 DEG C etc.) system, and heating agent bypass can affect the pressure stability of refrigerant (freon), thus affect high-precision temperature control demand.
[utility model content]
The technical problems to be solved in the utility model is to provide the accurate heat-exchange system of a kind of air-cooled split type frozen water machine, solves the problem that cannot meet circulating fluid high accuracy temperature control because pressure transient, systematic function are slow.
For solving the problems of the technologies described above, the utility model provides a kind of air-cooled split type frozen water machine accurate heat-exchange system, and it comprises indoor set and off-premises station, and described indoor set and described off-premises station are Split type structure,
Described indoor set comprises tank, described indoor set sidewall is provided with the first circulation fluid water return outlet and the first circulation fluid delivery port, described tank sidewall and described first circulation fluid water return outlet pass through pipeline communication, described tank sidewall or tank bottom land and described first circulation fluid delivery port pass through pipeline communication, first circulation fluid flows into described tank from the first circulation fluid water return outlet of described indoor set, described tank is flowed out from the first circulation fluid delivery port of described indoor set, the first evaporimeter is provided with in the first circulation fluid in described tank
Described off-premises station comprises the first off-premises station and the second off-premises station, described first off-premises station comprises gas-liquid separator, refrigeration oil device, condenser and is arranged on several first fans of described outside condenser, described second off-premises station comprises the second evaporimeter and is arranged on several second fans outside described second evaporimeter
The output port of the first evaporimeter of described indoor set connects the input port of the gas-liquid separator of described first off-premises station, the output port of described gas-liquid separator connects the input port of described refrigeration oil device, the output port of described refrigeration oil device connects the input port of described condenser, the output port of described condenser connects the input port of the first evaporimeter of described indoor set, the output port of described condenser connects the input port of the second evaporimeter of described second off-premises station, the output port of described second evaporimeter connects the input port of the gas-liquid separator of described first off-premises station.
Further, the pipeline of the junction of described indoor set and off-premises station is provided with several first stop valves and several second stop valves, on pipeline between the input port that described first stop valve is arranged on the output port of the first evaporimeter of described indoor set and the gas-liquid separator of described first off-premises station, on the pipeline between the input port that described second stop valve is arranged on the output port of the condenser of described first off-premises station and the first evaporimeter of described indoor set.
Further, pipeline between the input port of the output port of the condenser of described first off-premises station and the first evaporimeter of described indoor set is provided with the first expansion valve, described first expansion valve is arranged in described indoor set, pipeline between the input port of the output port of the condenser of described first off-premises station and the second evaporimeter of described second off-premises station is provided with the second expansion valve, and described second expansion valve is arranged in described second off-premises station.
Further, described first off-premises station also comprises fluid reservoir and the drying device of drier is housed, the input port of described fluid reservoir connects the output port of described condenser, the output port of described fluid reservoir connects the input port of described drying device, and the output port of described drying device connects the input port of the second evaporimeter and the first expansion valve input port of described indoor set of described second off-premises station.
Further, the sidewall of described indoor set is also provided with gap, described gap passes through pipeline communication with the sidewall near described sink top.
Further, the pipeline between described first circulation fluid delivery port and described tank sidewall or bottom land is provided with pump, to drive the flowing of described first circulation fluid.
Further, the pipeline between described pump and described first circulation fluid delivery port is provided with pipeline shunt conduit upward, the through described tank sidewall of described shunt conduit, described shunt conduit is provided with bypath valve.
Further, the sidewall of described indoor set also comprises the first circulation fluid leakage fluid dram, the bottom land of described first circulation fluid leakage fluid dram and described tank passes through pipeline communication, described first circulation fluid flows out from described first circulation fluid leakage fluid dram, pipeline between described first circulation fluid leakage fluid dram and described tank is also provided with draining valve, and the on-off ratio of described draining valve is controlled.
Further, described refrigeration oil device twines be provided with refrigeration oil heater strip.
Further, be also provided with low-temperature protection device and float switch in the tank of described indoor set, be also provided with the liquid-sighting glass for observing liquid case in tank in described indoor set, described off-premises station is also provided with air cleaner.
Compared with prior art, the accurate heat-exchange system of air-cooled split type frozen water machine described in the utility model adds the heat exchanger (evaporimeter) of a road and outer gas (air) in systems in which, when controlled first circulation fluid heat load is less than refrigerator refrigerating capacity, residue refrigerating capacity part is used for doing heat exchange (external gas freezes) with outer gas by system, thus facilitate the lasting high accuracy temperature control of controlled first circulation fluid, save production cost, improve production efficiency.
[accompanying drawing explanation]
Fig. 1 is the accurate heat-exchange system of a kind of air-cooled split type frozen water machine structural representation in one embodiment in the utility model.
Wherein: 1 is indoor set, 11 is tank, 111 is the first circulation fluid leakage fluid dram, 112 is the first circulation fluid water return outlet, 113 is the first circulation fluid delivery port, 114 is gap, 115 is pump, 116 is shunt conduit, 117 is bypath valve, 118 is draining valve, 12 is the first evaporimeter, 121 is the first expansion valve, 13 is the first stop valve, 14 is low-temperature protection device, 15 is float switch, 16 is liquid-sighting glass, 2 is the first off-premises station, 21 is gas-liquid separator, 22 is refrigeration oil device, 23 is condenser, 24 is the first fan, 25 is the second stop valve, 26 is fluid reservoir, 27 is drying device, 28 is refrigeration oil heater strip, 29 is air cleaner, 3 is the second off-premises station, 31 is the second evaporimeter, 311 is the second expansion valve, 32 is the second fan.
[detailed description of the invention]
For enabling above-mentioned purpose of the present utility model, feature and advantage become apparent more, are described in further detail the utility model below in conjunction with detailed description of the invention.
Alleged herein " embodiment " or " embodiment " refers to that the special characteristic relevant to described embodiment, structure or characteristic at least can be contained at least one implementation of the utility model.Different local in this manual " in one embodiment " occurred be non-essential all refers to same embodiment, must not be yet with other embodiments mutually exclusive separately or select embodiment.In addition, represent sequence of modules in the method for one or more embodiment, flow chart or functional block diagram and revocablely refer to any particular order, also not forming restriction of the present utility model.
Refer to Fig. 1, Fig. 1 is the accurate heat-exchange system of a kind of air-cooled split type frozen water machine structural representation in one embodiment in the utility model.As shown in Figure 1, the utility model provides a kind of air-cooled split type frozen water machine accurate heat-exchange system, it comprises indoor set 1 and off-premises station (not shown), described indoor set and described off-premises station are Split type structure, namely described indoor set and off-premises station are all as independent individual, are not present in same equipment.
Described indoor set 1 comprises tank 11, described indoor set 1 sidewall is provided with the first circulation fluid water return outlet 112 and the first circulation fluid delivery port 113, described tank 11 sidewall and described first circulation fluid water return outlet 112 pass through pipeline communication, described tank 11 sidewall or tank 11 bottom land and described first circulation fluid delivery port 113 pass through pipeline communication, first circulation fluid flows into described tank 11 from the first circulation fluid water return outlet 112 of described indoor set 1, described tank 11 is flowed out from the first circulation fluid delivery port 113 of described indoor set 1, the first evaporimeter 12 is provided with in the first circulation fluid in described tank 11.
Described off-premises station comprises the first off-premises station 2 and the second off-premises station 3, described first off-premises station 2 comprises gas-liquid separator 21, refrigeration oil device 22, condenser 23 and is arranged on several first fans 24 outside described condenser 23, several second fans 32 that described second off-premises station 3 comprises the second evaporimeter 31 and is arranged on outside described second evaporimeter 31.
The output port of the first evaporimeter 12 of described indoor set 1 connects the input port of the gas-liquid separator 21 of described first off-premises station 2, the output port of described gas-liquid separator 21 connects the input port of described refrigeration oil device 22, the output port of described refrigeration oil device 22 connects the input port of described condenser 23, the output port of described condenser 23 connects the input port of the first evaporimeter 12 of described indoor set 1, the output port of described condenser 23 connects the input port of the second evaporimeter 31 of described second off-premises station 3, the output port of described second evaporimeter 31 connects the input port of the gas-liquid separator 21 of described first off-premises station 2.
Second circulation fluid flows out from the output port of the first evaporimeter 12 of described indoor set 1, flow into the gas-liquid separator 21 of described first off-premises station 2, described refrigeration oil device 22, then described condenser 23 is flowed into, after described condenser 23, a described second circulation fluid part flows back to the first evaporimeter 12 of described indoor set 1, described second circulation fluid another part flows into the second evaporimeter 31 of described second off-premises station 3, and then the gas-liquid separator 21 flowing into described first off-premises station 2 circulates next time.Therefore described second circulation fluid has two loops.
Exchange for the ease of the flow between control indoor set 1 and off-premises station, and during maintenance, the partition of indoor set 1 and off-premises station, described indoor set 1 and the pipeline of the junction of off-premises station are provided with several the first stop valve 13 and several second stop valves 25, on pipeline between the input port that described first stop valve 13 is arranged on the output port of the first evaporimeter 12 of described indoor set 1 and the gas-liquid separator 21 of described first off-premises station 2, on pipeline between the input port that described second stop valve 25 is arranged on the output port of the condenser 23 of described first off-premises station 2 and the first evaporimeter 12 of described indoor set 1.
In order to accurate temperature controller, pipeline between the input port of the output port of the condenser 23 of described first off-premises station 2 and the first evaporimeter 12 of described indoor set 1 is provided with the first expansion valve 121, described first expansion valve 121 is arranged in described indoor set 1, pipeline between the input port of the output port of the condenser 23 of described first off-premises station 2 and the second evaporimeter 31 of described second off-premises station 3 is provided with the second expansion valve 311, and described second expansion valve 311 is arranged in described second off-premises station 3.Described second expansion valve 311 can cut out completely.When controlled first circulation fluid heat load is less than refrigerator refrigerating capacity, described second expansion valve 311 is opened, and residue refrigerating capacity part is used for doing heat exchange with outer gas by system.Described first expansion valve 121 has anti-phase regulatory function with described second expansion valve 311, such as: be 100% calculating by regulated quantity, as described first expansion valve 121=90%, and described second expansion valve 311=100%-90%=10%.After system connects power supply, described first expansion valve 121 has with described second expansion valve 311 function (standard-sized sheet or full cut-off) returning mechanical origin, like this relative to overall system control flow bore, can point-device adjustment flow, thus the power of heat exchange can be controlled accurately, and then the temperature of accurate controlled circulation fluid.Each electrically operated valve, with the stepper motor of gauge tap ratio or direct current generator, controls the switch ratio of described electrically operated valve by controlling described stepper motor or direct current generator.
Described first off-premises station 2 also comprises fluid reservoir 26 and the drying device 27 of drier is housed, the input port of described fluid reservoir 26 connects the output port of described condenser 23, the output port of described fluid reservoir 26 connects the input port of described drying device 27, and the output port of described drying device 27 connects the input port of the second evaporimeter 31 and first expansion valve 121 input port of described indoor set 1 of described second off-premises station 3.
The sidewall of described indoor set 1 is also provided with gap 114, and described gap 114 passes through pipeline communication with the sidewall near described tank 11 top.When the first circulating fluid volume senior general overflow in tank 11, the first unnecessary circulation fluid flows out from described gap 114, avoids native system because of described tank 11 and produces overfill spilling water.
Pipeline between described first circulation fluid delivery port 113 and described tank 11 sidewall or bottom land is provided with pump 115, to drive the flowing of described first circulation fluid.
In order to prevent the first circulating fluid volume in described tank 11 very few, pipeline between described pump 115 and described first circulation fluid delivery port 113 is provided with pipeline shunt conduit 116 upward, through described tank 11 sidewall of described shunt conduit 116, described shunt conduit 116 is provided with bypath valve 117.Such design can when in described tank 11, the first circulation fluid be very few, and supplement the first circulation fluid by opening described bypath valve 117, prevent because the first circulation fluid is very few and shut down, at this moment, pump 115 provides the power that the first circulation fluid upwards flows.
The sidewall of described indoor set 1 also comprises the first circulation fluid leakage fluid dram 111, described first circulation fluid leakage fluid dram 111 passes through pipeline communication with the bottom land of described tank 11, described first circulation fluid flows out from described first circulation fluid leakage fluid dram 111, pipeline between described first circulation fluid leakage fluid dram 111 and described tank 11 is also provided with draining valve 118, and the on-off ratio of described draining valve 118 is controlled.Native system is after the normal time uses, when described tank 11 inside need be cleared up and maybe need to repair, by the switch opening described draining valve 118, described first circulation fluid can be discharged from described first circulation fluid leakage fluid dram 111, also can the first circulation fluid overfill in described groove 11 time, by the switch opening described draining valve 118, described first circulation fluid is discharged from described first circulation fluid leakage fluid dram 111.
Described refrigeration oil device 22 twines and is provided with refrigeration oil heater strip 28, prevent refrigeration oil from condensing.
Also be provided with low-temperature protection device 14 and float switch 15 in the tank 11 of described indoor set 1, be also provided with the liquid-sighting glass 16 for observing liquid case in tank 11 in described indoor set 1, described off-premises station is also provided with air cleaner 29.
Can find out, native system possesses a first circulation fluid path, a first circulation fluid loop, two the second circulation fluid loops:
First circulation fluid path is: the path that the first circulation fluid water return outlet 112 of described indoor set 1, tank 11, first circulation fluid delivery port 113 are formed, concrete, described first circulation fluid flows into tank 11 from the first circulation fluid water return outlet 112 of described indoor set 1, then flows out described indoor set 1 by described first circulation fluid delivery port 113.
First circulation fluid loop is: the loop that the distribution pipeline 116 of described indoor set 1, tank 11 are formed, concrete, described first circulation fluid flows into tank 11 from the input port of the distribution pipeline 116 of described indoor set 1, flow out described tank 11 by the output port of described distribution pipeline 116 again, get back to the input port of described distribution pipeline 116 through described distribution pipeline 116.
Article 1, the second circulation fluid loop is: described first evaporimeter 12, first stop valve 13, gas-liquid separator 21, refrigeration oil device 22, condenser 23, fluid reservoir 26, drying device 27, second stop valve 25, liquid-sighting glass 16, the loop that first expansion valve 121 is formed, concrete, described second circulation fluid flows into gas-liquid separator 21 from the output port of described first evaporimeter 12 through the first stop valve 13, flow through described refrigeration oil device 22, condenser 23, heat exchange is carried out at described condenser 23, then fluid reservoir 26 is flowed through, drying device 27, second stop valve 25, liquid-sighting glass 16, with after to flow back into the input port of the first evaporimeter 12 through the first expansion valve 121, again carry out heat exchange, then backflow is completed.
Article 2 second circulation fluid loop is: gas-liquid separator 21, refrigeration oil device 22, condenser 23, fluid reservoir 26, drying device 27, second expansion valve 311, the loop that second evaporimeter 31 is formed, concrete, described second circulation fluid flows into condenser 23 from described gas-liquid separator 21 output port through refrigeration oil device 22, heat exchange is carried out at described condenser 23, then described fluid reservoir 26 is flowed through, drying device 27, second expansion valve 311, with after through the second evaporimeter 31, the input port of gas-liquid separator 2 is flow back into after described second evaporimeter 31 place carries out heat exchange, complete backflow.
In the present embodiment, described first circulation fluid is liquid or gas, and described second circulation fluid is freon refrigerant or cooling water.
In sum, the accurate heat-exchange system of air-cooled split type frozen water machine described in the utility model, add the heat exchanger (evaporimeter) of a road and outer gas (air) in systems in which, when controlled first circulation fluid heat load is less than refrigerator refrigerating capacity, residue refrigerating capacity part is used for doing heat exchange (external gas freezes) with outer gas by system, thus facilitate the lasting high accuracy temperature control of controlled first circulation fluid, save production cost, improve production efficiency, the design of gap and shunt conduit avoids tank and produces overfill spilling water or very few shutdown in addition.
It should be noted that, above embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify to the technical solution of the utility model or equivalent replacement, and not departing from the spirit and scope of technical solutions of the utility model, it all should be encompassed in the middle of right of the present utility model.

Claims (10)

1. the accurate heat-exchange system of air-cooled split type frozen water machine, it is characterized in that, comprise indoor set and off-premises station, described indoor set and described off-premises station are Split type structure,
Described indoor set comprises tank, described indoor set sidewall is provided with the first circulation fluid water return outlet and the first circulation fluid delivery port, described tank sidewall and described first circulation fluid water return outlet pass through pipeline communication, described tank sidewall or tank bottom land and described first circulation fluid delivery port pass through pipeline communication, first circulation fluid flows into described tank from the first circulation fluid water return outlet of described indoor set, described tank is flowed out from the first circulation fluid delivery port of described indoor set, the first evaporimeter is provided with in the first circulation fluid in described tank
Described off-premises station comprises the first off-premises station and the second off-premises station, described first off-premises station comprises gas-liquid separator, refrigeration oil device, condenser and is arranged on several first fans of described outside condenser, described second off-premises station comprises the second evaporimeter and is arranged on several second fans outside described second evaporimeter
The output port of the first evaporimeter of described indoor set connects the input port of the gas-liquid separator of described first off-premises station, the output port of described gas-liquid separator connects the input port of described refrigeration oil device, the output port of described refrigeration oil device connects the input port of described condenser, the output port of described condenser connects the input port of the first evaporimeter of described indoor set, the output port of described condenser connects the input port of the second evaporimeter of described second off-premises station, the output port of described second evaporimeter connects the input port of the gas-liquid separator of described first off-premises station.
2. the accurate heat-exchange system of air-cooled split type frozen water machine as claimed in claim 1, it is characterized in that: the pipeline of the junction of described indoor set and off-premises station is provided with several first stop valves and several second stop valves, on pipeline between the input port that described first stop valve is arranged on the output port of the first evaporimeter of described indoor set and the gas-liquid separator of described first off-premises station, on the pipeline between the input port that described second stop valve is arranged on the output port of the condenser of described first off-premises station and the first evaporimeter of described indoor set.
3. the accurate heat-exchange system of air-cooled split type frozen water machine as claimed in claim 1, it is characterized in that: the pipeline between the input port of the output port of the condenser of described first off-premises station and the first evaporimeter of described indoor set is provided with the first expansion valve, described first expansion valve is arranged in described indoor set, pipeline between the input port of the output port of the condenser of described first off-premises station and the second evaporimeter of described second off-premises station is provided with the second expansion valve, and described second expansion valve is arranged in described second off-premises station.
4. the accurate heat-exchange system of air-cooled split type frozen water machine as claimed in claim 3, it is characterized in that: described first off-premises station also comprises fluid reservoir and the drying device of drier is housed, the input port of described fluid reservoir connects the output port of described condenser, the output port of described fluid reservoir connects the input port of described drying device, and the output port of described drying device connects the input port of the second evaporimeter and the first expansion valve input port of described indoor set of described second off-premises station.
5. the accurate heat-exchange system of air-cooled split type frozen water machine as claimed in claim 1, it is characterized in that: the sidewall of described indoor set is also provided with gap, described gap passes through pipeline communication with the sidewall near described sink top.
6. the accurate heat-exchange system of air-cooled split type frozen water machine as claimed in claim 1, is characterized in that: the pipeline between described first circulation fluid delivery port and described tank sidewall or bottom land is provided with pump, to drive the flowing of described first circulation fluid.
7. the accurate heat-exchange system of air-cooled split type frozen water machine as claimed in claim 6, it is characterized in that: the pipeline between described pump and described first circulation fluid delivery port is provided with pipeline shunt conduit upward, the through described tank sidewall of described shunt conduit, described shunt conduit is provided with bypath valve.
8. the accurate heat-exchange system of air-cooled split type frozen water machine as claimed in claim 1, it is characterized in that: the sidewall of described indoor set also comprises the first circulation fluid leakage fluid dram, the bottom land of described first circulation fluid leakage fluid dram and described tank passes through pipeline communication, described first circulation fluid flows out from described first circulation fluid leakage fluid dram, pipeline between described first circulation fluid leakage fluid dram and described tank is also provided with draining valve, and the on-off ratio of described draining valve is controlled.
9. the accurate heat-exchange system of air-cooled split type frozen water machine as claimed in claim 1, is characterized in that: described refrigeration oil device twines being provided with refrigeration oil heater strip.
10. the accurate heat-exchange system of air-cooled split type frozen water machine as claimed in claim 1; it is characterized in that: in the tank of described indoor set, be also provided with low-temperature protection device and float switch; also be provided with the liquid-sighting glass for observing liquid case in tank in described indoor set, described off-premises station is also provided with air cleaner.
CN201420490724.4U 2014-08-27 2014-08-27 The accurate heat-exchange system of a kind of air-cooled split type frozen water machine Expired - Fee Related CN204063661U (en)

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CN201420490724.4U CN204063661U (en) 2014-08-27 2014-08-27 The accurate heat-exchange system of a kind of air-cooled split type frozen water machine

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104197567A (en) * 2014-08-27 2014-12-10 无锡溥汇机械科技有限公司 Precision heat exchange system of air-cooling split-type water cooler

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104197567A (en) * 2014-08-27 2014-12-10 无锡溥汇机械科技有限公司 Precision heat exchange system of air-cooling split-type water cooler

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