CN208653000U - A kind of water cooling oil cooling cycle refrigeration system - Google Patents

A kind of water cooling oil cooling cycle refrigeration system Download PDF

Info

Publication number
CN208653000U
CN208653000U CN201820799214.3U CN201820799214U CN208653000U CN 208653000 U CN208653000 U CN 208653000U CN 201820799214 U CN201820799214 U CN 201820799214U CN 208653000 U CN208653000 U CN 208653000U
Authority
CN
China
Prior art keywords
water
pipe
cooling
oil
tee tube
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201820799214.3U
Other languages
Chinese (zh)
Inventor
易富春
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuxi Chao Teng Machinery Manufacturing Co Ltd
Original Assignee
Wuxi Chao Teng Machinery Manufacturing Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Wuxi Chao Teng Machinery Manufacturing Co Ltd filed Critical Wuxi Chao Teng Machinery Manufacturing Co Ltd
Priority to CN201820799214.3U priority Critical patent/CN208653000U/en
Application granted granted Critical
Publication of CN208653000U publication Critical patent/CN208653000U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model belongs to refrigeration technology field, it is intended to provide a kind of water cooling oil cooling cycle refrigeration system, its key points of the technical solution are that including compressor, the compressor is connected with oil cooling machine structure, condensing mechanism, magnetism servo-electric motor water-cooling, the oil cooling machine structure includes flowline and oil return pipe, first water pump, first tee tube, second tee tube, oil storage tank, first back-shaped pipe, the condensing mechanism includes escape pipe, second water pump, drainer, second back-shaped pipe, appendix, second water inlet pipe and the second outlet pipe, the junction of first threeway, second back-shaped pipe and second the second back-shaped pipe of threeway is connected with solenoid valve, temperature sensor is installed in the escape pipe, the magnetism servo-electric motor water-cooling includes heating power expansion valve, evaporator, refrigerator pipes, muffler, inlet and outlet, detection hole is offered on second outlet pipe, the detection Conductivity meter is plugged in hole;This water cooling oil cooling cycle refrigeration system has water cooling and oily cold combination, the significant advantage of refrigerating effect.

Description

A kind of water cooling oil cooling cycle refrigeration system
Technical field
The utility model relates to refrigeration technology field, in particular to a kind of water cooling oil cooling cycle refrigeration system.
Background technique
With the development of the times, the requirement of the industries such as semiconductor factory, Electronic products manufacturing and region to environment is increasingly Height requires the operating environment of constant temperature and humidity throughout the year.In order to be able to maintain the operating environment of constant temperature and humidity, air-conditioning system need to be used Operating environment is adjusted in system, and air-conditioning system carries out temperature adjusting usually using chilled water.It is some in industry manufacture simultaneously Production equipment is also required to cool down using cooling water during operation, the cooling water be by with freezing hydrothermal exchange after It obtaining, this patent meaning chilled water system covers the water system for needing to cool down, including be not limited to chilled water, cooling water etc..
Existing refrigeration system be mostly by compressor by refrigerant transfer into condenser, by water to refrigerant into Row cooling, the refrigerant after cooling, which enters in water cooler, freezes water, thus achieve the effect that carry out cooling down to water, But the refrigerant for transmitting out from compressor is usually the state of high temperature, carries out cooling often to refrigerant only by water The effect of the substantially temperature difference is not achieved, will be greatly reduced so that refrigerant carries out cooling effect also to water.
Such as notification number is the patent of invention of CN103486753B, it is a kind of low-temperature water cooling system, is specifically included: low temperature Flooded evaporator, liquid distributor, liquid reservoir and at least a set of screw compressor system, the screw compressor system packet Rubbing board type oil cold heat exchanger, jet pump, helical-lobe compressor, the first solenoid valve and oil eliminator, the low-temperature water cooling system also wrap Evaporative condenser is included, is additionally provided with liquid bypass liquid-supplying system between the low temperature flooded evaporator and liquid reservoir, and be equipped with Two sets of screw compressor systems improve the cooling capacity range of low-temperature water cooling system by increasing evaporative condenser, although improving Refrigerating efficiency, but refrigerant exports from compressor when is the gas of high temperature and pressure, it can not by once condensing The cooling efficiency of refrigerant is greatly improved, cooling effect is not very significant.
Utility model content
The utility model is to provide a kind of water cooling oil cooling cycle refrigeration system, with water cooling and the cold combination of oil, The significant advantage of refrigerating effect.
The above-mentioned technical purpose of the utility model has the technical scheme that
A kind of water cooling oil cooling cycle refrigeration system, including compressor, compressor perforation be connected with oil cooling machine structure, Condensing mechanism and magnetism servo-electric motor water-cooling, the condensing mechanism are equipped with testing agency.
By using above-mentioned technical proposal, change traditional water-cooling system, increases oil cooling machine structure, pass through condensing mechanism and oil Cold structure cools down refrigerant, and the amplitude that the temperature of the refrigerant of high temperature and pressure can be reduced is bigger, then passes through water cooling The water that mechanism freezes needs cools down, and cold water effect is more significant, since the needs of chemical field increase the machine of detection water quality Structure, in real time the case where assurance water quality.
Further setting: the oil cooling machine structure includes the flowline connecting with compressor and oil return pipe, is fixedly connected with oil return The first water pump on pipe, the first tee tube being fixedly connected with flowline, be fixedly connected with the horizontal one end of the first tee tube Two tee tubes, are connected to the first tee tube and the two or three at the oil storage tank being fixedly connected with first tee tube and the second tee tube First back-shaped pipe of siphunculus, second tee tube are connected with oil return pipe.
By using above-mentioned technical proposal, the refrigerant in compressor can carry out first step cooling by oil, and oil is second A circulation is formed in back-shaped pipe, the partial heat of compressor inner refrigerant is taken away, so that refrigerant be made to be discharged from compressor When temperature it is relatively low so that the effect of cold water is more preferable.
Further setting: one end of the oil storage tank is communicated with the first water inlet pipe and the first outlet pipe, the first water inlet pipe and First outlet pipe keeps the water circulation in oil storage tank.
By using above-mentioned technical proposal, oil can take away the heat in refrigerant, and oily temperature can also increase, the water of circulation It can cool down to oil, oil temperature is made to be maintained at relatively low level, so as to so that the temperature of refrigerant is able to maintain steady Fixed numerical value.
Further setting: the condensing mechanism includes the escape pipe connected with compressor perforation, is fixedly connected on escape pipe On the second water pump, be fixedly connected with escape pipe drainer, be connected in drainer with the second water pump other end multiple Two back-shaped pipes, the appendix being connected to the other end of the second back-shaped pipe, the second water inlet pipe being connected to one end of drainer and Two outlet pipes.
By using above-mentioned technical proposal, refrigerant is transmitted in drainer by compressor by escape pipe, the second water inlet Pipe and the second outlet pipe keep the water circulation in drainer, and flowing water can take away the heat of part on refrigerant, to refrigerant It is cooled down twice, to keep the temperature of refrigerant lower.
Further setting: first water inlet pipe and the second water inlet pipe are connected, first outlet pipe and the second water outlet Pipe is connected.
By using above-mentioned technical proposal, oil storage tank and drainer share an inlet and outlet, save cost.
Further setting: the junction of first tee tube and the second tee tube is fixedly connected with solenoid valve.
By using above-mentioned technical proposal, solenoid valve can change oil circulation loop, when solenoid valve is opened, oil directly from The circulation of the second back-shaped pipe of level, without going past oil storage tank, oil can pass through in oil storage tank when solenoid valve is closed, the water meeting of circulation Cool down to oil, oil is made to keep a stable temperature value.
Further setting: the temperature sensing for detecting refrigerant temperature is installed in the escape pipe of the connection compressor Device.
By using above-mentioned technical proposal, temperature sensor can be easy to understand refrigeration with the temperature of real-time detection refrigerant The temperature conditions of agent, convenient for checking in time.
Further setting: the solenoid valve is electrically connected with temperature sensor.
By using above-mentioned technical proposal, temperature sensor can control solenoid valve by circuit transmissioning signal, to control The switch of solenoid valve, when temperature is in regime values, solenoid valve is opened, and oil can be directly entered compressor and drop to refrigerant Temperature, when temperature is higher than certain numerical value, solenoid valve, which closes oil, to cool down by oil storage tank, and guarantee has refrigerant Effect cooling.
Further setting: the magnetism servo-electric motor water-cooling includes the thermal expansion for being fixedly connected on appendix and being located at outside drainer Valve, the evaporator being fixedly connected with appendix, the multiple refrigerator pipes and multiple refrigeration be connected to the appendix being located in evaporator The muffler of pipe connection, the inlet and outlet being opened on evaporator side wall.
By using above-mentioned technical proposal, refrigerator pipes can be entered by the refrigerant of reducing temperature twice, to needing in refrigerator pipes The water of freezing cools down, and achievees the effect that water cooling.
Further setting: the testing agency includes the detection hole opened up on the second outlet pipe side wall, in detection hole The conductivity meter of fixed grafting.
By using above-mentioned technical proposal, in chemical field, to the more demanding of water quality, water is after temperature change, acid Basicity is easier to embody, therefore the pH value situation that can accurately more detect water outlet is detected to the water after heat absorption, To hold water quality situation.
In conclusion the utility model has the following beneficial effects:
1, the cold link of oil is carried out to the refrigerant in compressor, reduces the temperature of refrigerant, the effect of refrigeration is more significant;
2, the combination of temperature sensor and solenoid valve can change the moving loop of oil, control electricity according to the temperature of refrigerant The switch of magnet valve, to guarantee that the temperature value of refrigerant is maintained at certain range, the refrigeration effect of such refrigerant can be more It is good;
3, water cooling is arrived in cold by oil, condensation again, it is ensured that the effect of water cooling is more significant;
4, the water after heat absorption is detected by the way that conductivity meter is added, the pH-value of water can be held in real time, guarantee water Quality.
Detailed description of the invention
Fig. 1 is the overall structure diagram for embodying water cooling oil cooling cycle refrigeration system;
Fig. 2 is the structural schematic diagram for embodying oil cooling machine structure and compressor positional relationship;
Fig. 3 is the structural schematic diagram for embodying the second back-shaped pipe and oil storage tank positional relationship in oil cooling machine structure;
Fig. 4 is the structural schematic diagram for embodying condensing mechanism;
Fig. 5 is the structural schematic diagram for embodying magnetism servo-electric motor water-cooling;
Fig. 6 is the structure enlargement diagram in Fig. 4 at A.
In figure, 1, compressor;2, oil cooling machine structure;21, flowline;22, oil return pipe;23, the first water pump;24, the first threeway Pipe;25, the second tee tube;26, oil storage tank;261, the first water inlet pipe;262, the first outlet pipe;27, the first back-shaped pipe;3, it condenses Mechanism;31, escape pipe;32, the second water pump;33, drainer;34, the second back-shaped pipe;35, appendix;36, the second water inlet pipe; 37, the second outlet pipe;4, magnetism servo-electric motor water-cooling;41, heating power expansion valve;42, evaporator;43, refrigerator pipes;44, muffler;45, it intakes Mouthful;46, water outlet;5, testing agency;51, detection hole;52, conductivity meter;6, solenoid valve;7, temperature sensor.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Embodiment one: a kind of water cooling oil cooling cycle refrigeration system, as shown in Figure 1, compressor 1 is arranged in magnetism servo-electric motor water-cooling 4 top, compressor 1 is interior to be filled with refrigerant (including but not limited to freon), and the perforation of compressor 1 is connected with oil cooling machine structure 2, Compressor 1 also penetrates through and is connected with condensing mechanism 3, and condensing mechanism 3 and magnetism servo-electric motor water-cooling 4 penetrate through, oil cooling machine structure 2, condensing mechanism 3 and water Cold structure 4 is fixed on the ground by support base.
As shown in Fig. 2, oil cooling machine structure 2 includes the flowline 21 being connected to compressor 1 and oil return pipe 22, is fixedly connected on back The first water pump 23 on oil pipe 22, flowline 21 and oil return pipe 22 pass through bottom end to the other side of compressor 1 of compressor 1.
As shown in figure 3, oil cooling machine structure 2 further includes the first tee tube 24 being connected to flowline 21 and the first tee tube 24 Second tee tube 25 of horizontal one end connection, the oil storage tank 26 being connected to the first tee tube 24 and the second tee tube 25 are connected to the First back-shaped pipe 27 of one tee tube 24 and the second tee tube 25, the first back-shaped pipe 27 are located in the inner cavity of oil storage tank 26, and second Tee tube 25 connects with oil return pipe 22, and the first water pump 23 is used as power source, recycles oil in oil cooling machine structure 2, passes through the dress It sets and cools down to the refrigerant in compressor 1, guarantee that refrigerant is kept in compressor 1 and when discharge compressor 1 One relatively low temperature value, the effect of freezing are more preferable.
As shown in figure 3, one end of oil storage tank 26 is communicated with the first water inlet pipe 261 and the first outlet pipe 262, the first water inlet pipe 261 and first outlet pipe 262 keep the water circulation in oil storage tank 26, by the circulation of water come it is continual reduce oily temperature, Guarantee cooling of the low-temperature oil to refrigerant.
As shown in figure 3, the place that the first tee tube 24 is connected with the second tee tube 25 is fixedly connected with solenoid valve 6, electricity When magnet valve 6 is opened, oil can directly be flowed to horizontal direction, and when solenoid valve 6 is closed, oil can pass through the first back-shaped pipe 27, storage Water in oil tank 26 can cool down to oil, guarantee the low-temperature condition of oil.
As shown in figure 4, condensing mechanism 3 includes the escape pipe 31 being connected on compressor 1, is fixedly connected on escape pipe 31 The second water pump 32, be fixedly connected with escape pipe 31 drainer 33, be connected to 31 other end of escape pipe in drainer 33 Second back-shaped pipe 34, the appendix 35 being connected to 34 other end of the second back-shaped pipe, be connected to one end of drainer 33 second into Water pipe 36 and the second outlet pipe 37, the second water pump 32 provide power source for the circulation of refrigerant, refrigerant by escape pipe 31 into Enter the second back-shaped pipe 34, the second water inlet pipe 36 and the second outlet pipe 37 on drainer 33 guarantee that the cold water inside drainer 33 follows Ring cools down the refrigerant gas in the second back-shaped pipe 34, further decreases the temperature of refrigerant.
As shown in figure 4, the first water inlet pipe 261 is connected with the second water inlet pipe 36, the first outlet pipe 262 and the second outlet pipe 37 are connected, and can save production cost.
As shown in figure 4, being provided with temperature sensor 7 in the escape pipe 31 being connected to compressor 1, temperature sensor 7 is used for The temperature of refrigerant is detected, temperature sensor 7 and solenoid valve 6(are as shown in Figure 3) it is electrically connected, it is detected when temperature sensor 7 Temperature be more than setting numerical value when, solenoid valve 6 close, oil by the first back-shaped pipe 27(it is as shown in Figure 3), in drainer 33 into It recycling again after row cooling, when temperature is below the numerical value of setting, solenoid valve 6 is opened, oil meeting direct circulation, without It is as shown in Figure 3 to cross drainer 33(), the low-temperature condition of oil can be kept by the device while being guaranteed to the effective cold of refrigerant But.
As shown in figure 5, magnetism servo-electric motor water-cooling 4 includes being fixedly connected on the heating power expansion valve that appendix 35 is located at outside drainer 33 41, the evaporator 42 that is connected to heating power expansion valve 41 is set to the multiple refrigeration being connected in evaporator 42 with heating power expansion valve 41 Pipe 43, the muffler 44 being connected to multiple refrigerator pipes 43, the water inlet 45 and water outlet 46 being opened on 42 side wall of evaporator, system Cryogen becomes gaseous state from liquid by heating power expansion valve 41, and endothermic effect is more preferable, and gaseous refrigerant enters right in refrigerator pipes 43 Water cools down, and achievees the purpose that water cooling.
As shown in figure 5, muffler 44 is connected with compressor 1, it is defeated after the refrigerant in muffler 44 cools down water It returns in compressor 1, guarantees the recycling of refrigerant.
Embodiment two: a kind of water cooling oil cooling cycle refrigeration system, as shown in fig. 6, the difference with embodiment one It is, detection hole 51 is offered on the side wall of the second outlet pipe 37, and fixation is plugged with conductivity meter 52 in the detection hole 51, leads to Water after crossing 52 pairs of conductivity meter heat absorptions carries out the detection of pH value, thus the case where holding water quality.
Specific work process: opening the first water pump 23, compressor 1 and the second water pump 32, and the operating of the first water pump 23 drives oil It moving in circles, the solenoid valve 6 for being connected to 25 junction of the first tee tube 24 and the second tee tube under normal conditions is opening state, Only when the temperature sensor 7 in escape pipe 31 detects the temperature of refrigerant higher than the numerical value set, solenoid valve 6 can be closed It closes, oil can be by the first back-shaped pipe 27 in oil storage tank 26, and the first water inlet pipe 261 can input water in oil storage tank 26, to first After oil in back-shaped pipe 27 carries out cooling, water is discharged from the first outlet pipe 262, guarantees the low-temperature condition of oil, thereby may be ensured that To the effective temperature-reducing of refrigerant.
Compressor 1 and the operating of the second water pump 32, extract gaseous refrigerant out by escape pipe 31 and enter in drainer 33 In second back-shaped pipe 34, be provided on drainer 33 the second water inlet 45 conveying water to the refrigerant in the second back-shaped pipe 34 into Row secondary cooling keeps the temperature of refrigerant lower, and the effect of water cooling is more significant, and the water after cooling down to refrigerant passes through The discharge of second outlet pipe 37, refrigerant temperature is lower at this time, while the water of 52 pairs of conductivity meter discharges detects, and guarantees water quality Good condition.
In order to guarantee the effect of refrigerant cold water, the gaseous refrigerant of medium temperature passes through heating power expansion valve by appendix 35 41, the refrigerant of medium temperature high-pressure gaseous becomes low-temp low-pressure liquid, and refrigerant enters in the refrigerator pipes 43 in evaporator 42, at this time Water inlet 45 inputs water to be cooled, and refrigerant carries out cooling heat absorption to water, is changed into medium temperature gaseous state from low temperature liquid, water passes through It is discharged after cooling from water outlet 46, refrigerant enters muffler 44, is transmitted back in compressor 1, moves in circles, and the water cooling oil is cooling Circulating frozen system carries out secondary cooling to refrigerant, keeps the cold water effect of refrigerant more preferable.
The above embodiments are only the explanation to the utility model, are not limitations of the present invention, ability Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but As long as all by the protection of Patent Law in the scope of the claims of the utility model.

Claims (4)

1. a kind of water cooling oil cooling cycle refrigeration system, including compressor (1), it is characterized in that: the compressor (1) passes through pipe Road is connected with oil cooling machine structure (2), condensing mechanism (3) and magnetism servo-electric motor water-cooling (4), and the condensing mechanism (3) is equipped with testing agency (5), the oil cooling machine structure (2) includes the flowline (21) connecting with compressor (1) and oil return pipe (22), is fixedly connected on oil return The first water pump (23) on pipe (22), the first tee tube (24) being fixedly connected with flowline (21), and the first tee tube (24) The second tee tube (25) that horizontal one end is fixedly connected is fixedly connected with first tee tube (24) and the second tee tube (25) Oil storage tank (26), be connected to the first tee tube (24) and the second tee tube (25) the first back-shaped pipe (27), second threeway Pipe (25) is connected with oil return pipe (22), and one end of the oil storage tank (26) is communicated with the first water inlet pipe (261) and the first water outlet It manages (262), the first water inlet pipe (261) and the first outlet pipe (262) keep the water circulation in oil storage tank (26), the condensing mechanism (3) include with compressor (1) perforation connection escape pipe (31), be fixedly connected on escape pipe (31) the second water pump (32), The drainer (33) that is fixedly connected with escape pipe (31), multiple the be connected in drainer (33) with escape pipe (31) other end Two back-shaped pipes (34), the appendix (35) being connected to the other end of the second back-shaped pipe (34) are connected to one end of drainer (33) The second water inlet pipe (36) and the second outlet pipe (37), the junction of first tee tube (24) and the second tee tube (25) is solid Surely solenoid valve (6) are connected with, are equipped in the escape pipe (31) being connected to the compressor (1) for detecting refrigerant temperature Temperature sensor (7), the magnetism servo-electric motor water-cooling (4) include being fixedly connected on appendix to be located at the external thermal expansion of drainer (33) Valve (41), is connected to the appendix (35) being located in evaporator (42) evaporator (42) being fixedly connected with appendix (35) Multiple refrigerator pipes (43), the muffler (44) being connected to multiple refrigerator pipes (43), the water inlet being opened on evaporator (42) side wall Mouth (45) and water outlet (46).
2. a kind of water cooling oil cooling cycle refrigeration system according to claim 1, it is characterized in that: first water inlet pipe (261) it is connected with the second water inlet pipe (36), first outlet pipe (262) is connected with the second outlet pipe (37).
3. a kind of water cooling oil cooling cycle refrigeration system according to claim 1, it is characterized in that: the solenoid valve (6) It is electrically connected with temperature sensor (7).
4. a kind of water cooling oil cooling cycle refrigeration system according to claim 3, it is characterized in that: the testing agency It (5) include the detection hole (51) opened up on the second outlet pipe (37) side wall, the conductivity for fixing in detection hole (51) grafting Instrument (52).
CN201820799214.3U 2018-05-24 2018-05-24 A kind of water cooling oil cooling cycle refrigeration system Active CN208653000U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820799214.3U CN208653000U (en) 2018-05-24 2018-05-24 A kind of water cooling oil cooling cycle refrigeration system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820799214.3U CN208653000U (en) 2018-05-24 2018-05-24 A kind of water cooling oil cooling cycle refrigeration system

Publications (1)

Publication Number Publication Date
CN208653000U true CN208653000U (en) 2019-03-26

Family

ID=65779829

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820799214.3U Active CN208653000U (en) 2018-05-24 2018-05-24 A kind of water cooling oil cooling cycle refrigeration system

Country Status (1)

Country Link
CN (1) CN208653000U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108413661A (en) * 2018-05-24 2018-08-17 无锡朝腾机械制造有限公司 A kind of water cooling oil cooling but circulating frozen system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108413661A (en) * 2018-05-24 2018-08-17 无锡朝腾机械制造有限公司 A kind of water cooling oil cooling but circulating frozen system

Similar Documents

Publication Publication Date Title
CN103282734A (en) Thermosyphon coolers for cooling systems with cooling towers
CN211372806U (en) Semiconductor temperature control device system
CN108413661A (en) A kind of water cooling oil cooling but circulating frozen system
CN100381768C (en) Method for increasing refrigerating quantity and reducing power of air conditioner and air conditioning device
CN201503166U (en) Refrigeration heat recovery unit capable of producing high-temperature hot water
CN208653000U (en) A kind of water cooling oil cooling cycle refrigeration system
CN109028629B (en) Carbon dioxide secondary refrigerant refrigerating system and refrigerating method thereof
CN203375756U (en) Air-cooled circulating type industrial cold water machine
CN206222732U (en) Refrigerating plant and cigarette filter rod production equipment
CN205860582U (en) A kind of liquid storage regulation device and refrigeration system
KR200377788Y1 (en) Refrigerator for drinking water
CN108633221A (en) High-power electronic device multi-state liquid cooling source
CN202903576U (en) Device for removing water through condensation of gas
CN213564311U (en) Multi-temperature water chilling unit
KR20130127017A (en) Cooling system using under water tank of the buildings and method thereof
CN104279789B (en) A kind of trilogy supply air-conditioning system
CN208567180U (en) A kind of refrigerator with water cooling oil cooling cycle refrigeration system
CN202328885U (en) Laser water cooler with anti-freezing function
CN210718190U (en) Binary cascade refrigeration system applied to refrigeration house
CN217876745U (en) Air-cooled high-precision high-temperature water chiller
CN220854715U (en) Small-volume vertical heat flow instrument
CN209783097U (en) refrigeration system of refrigeration house
CN220556218U (en) Refrigerating system and detecting system
CN218065557U (en) Water-cooling high-precision high-temperature water chiller
CN2239621Y (en) Whole performance detecting implement for refrigerating commpressor

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant