CN101762111A - Combined air-conditioning system - Google Patents

Combined air-conditioning system Download PDF

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Publication number
CN101762111A
CN101762111A CN200910097125A CN200910097125A CN101762111A CN 101762111 A CN101762111 A CN 101762111A CN 200910097125 A CN200910097125 A CN 200910097125A CN 200910097125 A CN200910097125 A CN 200910097125A CN 101762111 A CN101762111 A CN 101762111A
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China
Prior art keywords
air conditioner
unit
pipeline
conditioner group
compressor
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Pending
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CN200910097125A
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Chinese (zh)
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何岳峰
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Individual
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Abstract

The invention belongs to the field of air conditioners, in particular to a combined air-conditioning system on which a compressor is independently installed. Aiming at the defects that the conventional compressor unit and air-cooling unit integrated structure of a split air-conditioning system has poor use flexibility and imperfect economic and environment-friendly functions, the invention provides a combined air-conditioning system on which the compressor is independently arranged. The air-conditioning system can also be combined with a ground source heat pump, has low energy consumption as well as economy, environmental protection and high efficiency if being used for a long term and comprises an indoor unit, a built-in compressor and an electric control system powder module which are connected through a pipeline as well as a four-way valve, and a compressor cabinet unit and a cooling unit of a refrigerant pipeline. The combined air-conditioning system is characterized in that the indoor unit, the compressor cabinet unit and the cooling unit are separated units and are connected through the pipeline; and the electric control system powder module is fixed on a controller module heat radiator which is connected to the refrigerant pipeline.

Description

Combined air-conditioning system
[technical field]
The invention belongs to field of air conditioning, particularly a kind of combined air-conditioning system that compressor is independently installed.
[background technology]
Existing conventional SPLIT AIR-CONDITIONING SYSTEM comprises the indoor set unit and Compressor Group outside the room and the cooling unit that are installed within doors, and wherein cooling off unit is air-cooled unit, and Compressor Group and air-cooled unit are structure as a whole.Though the Compressor Group of this air-conditioning system has casing to be protected from direct wind and weather, the working environment of outdoor application is still abominable, summer high temperature and winter severe cold influence throughout the year, the working life of shortening Compressor Group.This in addition air-conditioning system can not be used in combination with the earth-source hot-pump system with the underground water heat exchange, uses the energy consumption height.
[summary of the invention]
The technical assignment of the technical problem to be solved in the present invention and proposition is the shortcoming that overcomes existing conventional SPLIT AIR-CONDITIONING SYSTEM Compressor Group and air-cooled unit integrative-structure, the combined air-conditioning system that provides a kind of Compressor Group independently to be provided with, described air-conditioning system can also be used in combination with earth-source hot-pump system, energy consumption is low, uses economy, environment-friendly high-efficiency for a long time.
The technical scheme that technical solution problem of the present invention adopts: combined air-conditioning system, the compressor cabinet-type air conditioner group and the cooling unit that comprise the indoor set unit that connects by pipeline, compressor having internally mounted and electric control system power model and cross valve, refrigerant pipeline, it is characterized in that described indoor set unit, compressor cabinet-type air conditioner group and cooling unit are connected for the separate unit that is separated from each other and by pipeline separately, the electric control system power model is fixed on the controller module radiator, and described radiator is connected on the refrigerant pipeline.Compressor, cross valve etc. constitute a compressor cabinet-type air conditioner group independently, and this compressor cabinet-type air conditioner group can be located at and indoorly need not to be loaded on exterior wall or the roof, avoids direct wind and weather, prolongs the compressor useful life; Utilize the refrigerant pipeline in the low temperature refrigerant that flows as low-temperature receiver electric control system power model radiator is cooled off, need not to install additional in addition fan or other cooling device, be convenient to the sealing of compressor cabinet-type air conditioner group, improve the assembled air-conditioner macroeconomic feature of environmental protection.
It is characterized in that among the present invention that described compressor cabinet-type air conditioner group is an I type compressor cabinet-type air conditioner group, comprise conventional stop valve, expansion valve, check valve, device for drying and filtering, low tension switch, throttle capillary tube, alternating-current normally-open electromagnetic valve, gas-liquid separator and silencer, the cooling unit is the air-cooled unit of conventional structure that comprises air cooled condenser and coolant distributor, is connected with the refrigerant pipeline that forms loop between described I type compressor cabinet-type air conditioner group and the air-cooled unit.During work, the refrigerant pipeline directly connects air-cooled unit and carries out heat exchange.Stop valve wherein, expansion valve, check valve, device for drying and filtering, low tension switch, throttle capillary tube, alternating-current normally-open electromagnetic valve, gas-liquid separator and silencer are the prior art of conventional structure all, do not repeat them here.
Compressor cabinet-type air conditioner group described in the present invention is an II type compressor cabinet-type air conditioner group, comprise conventional expansion valve, device for drying and filtering, low tension switch, gas-liquid separator and silencer, be provided with the heat exchanger that can connect the flowing water pipeline in the II type compressor cabinet-type air conditioner group, the cooling unit is the water-cooled unit, described water-cooled unit comprises and is exposed on the ground and is embedded in underground flowing water pipeline and is located at water pump on the flowing water pipeline, is exposed at flowing water pipeline on the ground in the described water-cooled unit and links to each other with heat exchanger in the II type compressor cabinet-type air conditioner group.The cooling unit is set as the water-cooled unit that utilizes the cold and hot exchange of underground water, substitutes the technological means of conventional air-cooled unit, more air-cooled unit energy consumption is low, uses economy, environmental protection for a long time.Expansion valve wherein, device for drying and filtering, low tension switch, gas-liquid separator and silencer are the prior art of conventional structure all, do not repeat them here.
Compressor cabinet-type air conditioner group described in the present invention is an III type compressor cabinet-type air conditioner group, comprise conventional stop valve, expansion valve, check valve, device for drying and filtering, low tension switch, throttle capillary tube, alternating-current normally-open electromagnetic valve, gas-liquid separator, silencer, be provided with the heat exchanger that can connect the flowing water pipeline in the III type compressor cabinet-type air conditioner group, the cooling unit is water-cooled unit and the air-cooled unit of conventional structure that comprises air cooled condenser and coolant distributor, described water-cooled unit comprises and is exposed on the ground and is embedded in underground flowing water pipeline and is located at water pump on the flowing water pipeline, the refrigerant pipeline of described air-cooled unit by refrigerant pipeline and the III type compressor cabinet-type air conditioner group formation loop that links to each other, the flowing water pipeline that is exposed in the described water-cooled unit on the ground links to each other with heat exchanger in the III type compressor cabinet-type air conditioner group, and the refrigerant pipeline in the III type compressor cabinet-type air conditioner group is provided with the cross valve that is used to switch air-cooled unit of selection and water-cooled unit.The cooling unit comprises two kinds of water-cooled unit and air-cooled units, and according to actual needs, compressor cabinet-type air conditioner group can be switched arbitrarily in aforementioned two kinds of cooling units by cross valve and connects, and whole air-conditioning system is used the flexibility height, uses economy environmental protection again for a long time.What possess the condition of digging a well can open the water-cooled heat exchange of several mouthfuls of deep-wells more, does not possess the air-cooled unit of then many employings of the condition of digging a well.Stop valve wherein, expansion valve, check valve, device for drying and filtering, low tension switch, throttle capillary tube, alternating-current normally-open electromagnetic valve, gas-liquid separator, silencer are the prior art of conventional structure all, do not repeat them here.
Heat exchanger described in the present invention is plate type heat exchanger or coaxial heat exchanger.Coaxial heat exchanger and plate type heat exchanger all have good heat exchange effect, and wherein the coaxial heat exchanger structure of the equal heat exchange effect of plate type heat exchanger is more compact, and the occupation of land space is little, more is suitable as the assembly in the compressor cabinet-type air conditioner group.
The refrigerant pipeline of drawing from compressor output end in the compressor cabinet-type air conditioner group described in the present invention is equipped with a water heater, and the refrigerant pipeline penetrates in the water tank of water heater as heating pipe line.Because what export in the refrigerant pipeline after the compressor operating is high temperature and high pressure gas, utilize this section refrigerant pipeline water in water tank to be heated as pyrotoxin, economic environmental protection if water temperature is not enough, can be installed routine techniques means raising water temperatures such as heating wire separately additional on the water heater.
The mounting structure of the compressor rack unit described in the present invention is installed or the installation of indoor furred ceiling or three kinds of structures of piping shaft installation for being embedded into body of wall.Three kinds of mounting structures can both effectively utilize building self space, improve the disguise of assembled air-conditioner, the noise that produces during especially to compressor operating is realized good inhibition effect, reduces unnecessary influence of noise, uses quiet effect especially obvious to hotel and office building.
The present invention is set as the Compressor Group of daily noise maximum that independent rack is hidden to be installed in building self space, uses quiet noise low; The cooling unit can be the water-cooled unit or the conventional air-cooled unit of earth-source hot-pump system, can switch by cross valve during use and select, and uses economy, environment-friendly high-efficiency for a long time, and energy consumption is low; Utilize the refrigerant pipeline in the low temperature refrigerant that flows as low-temperature receiver electric control system power model radiator is cooled off, need not to install additional in addition fan or other cooling device, improve the assembled air-conditioner macroeconomic feature of environmental protection.
[description of drawings]
Fig. 1: embodiment 1 described combined air-conditioning system structural representation (pure air-cooled air conditioner refrigerating).
Fig. 2: embodiment 1 described combined air-conditioning system structural representation (pure air-cooled air-conditioning heats).
Fig. 3: embodiment 2 described combined air-conditioning system structural representations (the cold air conditioner refrigerating of pure water).
Fig. 4: embodiment 2 described combined air-conditioning system structural representations (the cold air-conditioning of pure water heats).
Fig. 5: embodiment 3 described combined air-conditioning system structural representations (air-cooled+the Water cooled air conditioners refrigeration).
Fig. 6: embodiment 3 described combined air-conditioning system structural representations (air-cooled+Water cooled air conditioners heats).
Among the figure: the air-cooled unit of 1-1., 1-2. water-cooled unit, 2-1.I type compressor cabinet-type air conditioner group, 2-2.II type compressor cabinet-type air conditioner group, 2-3.III type compressor cabinet-type air conditioner group, 3. indoor set unit, 4. stop valve, 5. expansion valve, 6. alternating-current normally-open electromagnetic valve, 7. device for drying and filtering, 8. filter, 9. low tension switch, 10. check valve, 11. silencer, 12. throttle capillary tube, 13. cross valve, 14. dynamoelectric water valve, 15. water pump, 16. flowing water pipeline, 17. refrigerant pipeline, 18. water heater, 19. compressor, 20. gas-liquid separator, 21. air cooled condenser, 22. coolant distributor, 23. controller module radiator, 24. plate type heat exchanger.
[specific embodiment]
The present invention is described further below in conjunction with description of drawings and the specific embodiment.
Embodiment 1 is combined air-conditioning system as shown in Figure 1, it is a pure air-cooled air-conditioning, comprise the indoor set unit 3 that connects by pipeline, compressor having internally mounted 19 and the compressor cabinet-type air conditioner group and the cooling unit of electric control system power model and cross valve 13, refrigerant pipeline, described indoor set unit, compressor cabinet-type air conditioner group and cooling unit are for dividing body structure; Described compressor cabinet-type air conditioner group is I type compressor cabinet-type air conditioner group 2-1, comprise conventional stop valve 4, expansion valve 5, check valve 10, device for drying and filtering 7, low tension switch 9, throttle capillary tube 12, alternating-current normally-open electromagnetic valve 6, gas-liquid separator 20 and silencer 11, the cooling unit is the air-cooled unit 1-1 of conventional structure that air cooled condenser 21 and coolant distributor 22 are formed, be connected with the refrigerant pipeline 17 that forms loop between I type compressor cabinet-type air conditioner group and the air-cooled unit, the refrigerant that utilizes 21 pairs of needs of air cooled condenser to carry out heat exchange carries out heat exchange, electric control system power model in the compressor cabinet-type air conditioner group is fixed on the controller module radiator 23, described radiator is connected on the refrigerant pipeline 17, utilize the refrigerant pipeline in the low temperature refrigerant that flows as low-temperature receiver electric control system power model radiator is cooled off, the refrigerant pipeline of drawing from compressor 19 outputs in the compressor cabinet-type air conditioner group is equipped with a water heater 18, the refrigerant pipeline passes the water tank of water heater, and described I type compressor cabinet-type air conditioner group is installed in the piping shaft of building.
As shown in Figure 1, this moment, refrigerant was by air-cooled set heat exchange during this combined air-conditioning system refrigeration work, and refrigerant flows according to the arrow indication and operates; As shown in Figure 2, refrigerant flows according to the arrow indication and operates when heating.
Embodiment 2 is combined air-conditioning system as shown in Figure 3, it is a cold air-conditioning of pure water, comprise the indoor set unit 3 that connects by pipeline, compressor having internally mounted 19 and electric control system power model and cross valve 13, the compressor cabinet-type air conditioner group of refrigerant pipeline and cooling unit, described compressor cabinet-type air conditioner group is II type compressor cabinet-type air conditioner group 2-2, comprise conventional expansion valve 5, device for drying and filtering 7, low tension switch 9, gas-liquid separator 20 and silencer 11, be provided with the heat exchanger that can connect the flowing water pipeline in the II type compressor cabinet-type air conditioner group, the cooling unit is water-cooled unit 1-2, described water-cooled unit comprises and is exposed on the ground and is embedded in underground flowing water pipeline 16 and is located at water pump 15 on the flowing water pipeline, the flowing water pipeline that is exposed in the described water-cooled unit on the ground links to each other with plate type heat exchanger 24 in the II type compressor cabinet-type air conditioner group 2-2, and described II type compressor cabinet-type air conditioner group is installed in the piping shaft of building too.Electric control system power model in the compressor cabinet-type air conditioner group is fixed on the controller module radiator 23, described radiator is connected on the refrigerant pipeline 17, utilize the refrigerant pipeline in the low temperature refrigerant that flows as low-temperature receiver electric control system power model radiator is cooled off, the refrigerant pipeline of drawing from compressor 19 outputs in the compressor cabinet-type air conditioner group is equipped with a water heater 18, and the refrigerant pipeline passes the water tank of water heater.
As shown in Figure 3, this moment, refrigerant was by the water-cooled set heat exchange during this combined air-conditioning system refrigeration work, and refrigerant flows according to the arrow indication and operates; As shown in Figure 4, refrigerant flows according to the arrow indication and operates when heating.
Embodiment 3 is combined air-conditioning system as shown in Figure 5, it is the combined air conditioner of an air-cooled+water-cooled, comprise the indoor set unit 3 that connects by pipeline, compressor having internally mounted 19 and electric control system power model and cross valve 13, the compressor cabinet-type air conditioner group of refrigerant pipeline and cooling unit, described compressor cabinet-type air conditioner group is III type compressor cabinet-type air conditioner group 2-3, comprise conventional stop valve 4, expansion valve 5, check valve 10, device for drying and filtering 7, low tension switch 9, throttle capillary tube 1, alternating-current normally-open electromagnetic valve 6, gas-liquid separator 20, silencer 11, be provided with the heat exchanger that can connect the flowing water pipeline in the III type compressor cabinet-type air conditioner group, the cooling unit is water-cooled unit 1-2 and the air-cooled unit 1-1 of conventional structure that comprises air cooled condenser 21 and coolant distributor 22, described water-cooled unit comprises and is exposed on the ground and is embedded in underground flowing water pipeline 16 and is located at water pump 15 on the flowing water pipeline, the refrigerant pipeline of described air-cooled unit by refrigerant pipeline and the III type compressor cabinet-type air conditioner group formation loop that links to each other, be exposed at the plate type heat exchanger 24 that is provided with in flowing water pipeline and the III type compressor cabinet-type air conditioner group on the ground in the described water-cooled unit and link to each other, the refrigerant pipeline in the III type compressor cabinet-type air conditioner group is provided with the cross valve 13 that is used to switch air-cooled unit of selection and water-cooled unit.Can select air-cooled or water-cooled is carried out heat exchange to the refrigerant that needs heat exchange by the cross valve that switches usefulness during use, described III type compressor cabinet-type air conditioner group be installed in the piping shaft of building too.Electric control system power model in the compressor cabinet-type air conditioner group is fixed on the controller module radiator 23, described radiator is connected on the refrigerant pipeline 17, utilize the refrigerant pipeline in the low temperature refrigerant that flows as low-temperature receiver electric control system power model radiator is cooled off, the refrigerant pipeline of drawing from compressor 19 outputs in the compressor cabinet-type air conditioner group is equipped with a water heater 18, and the refrigerant pipeline passes the water tank of water heater.
As shown in Figure 5, this moment, refrigerant was that refrigerant is according to the mobile running of arrow indication by water-cooled set heat exchange (this moment, cross valve was communicated with the water-cooled unit, also can switch to be communicated with air-cooled unit) during this combined air-conditioning system refrigeration work; As shown in Figure 6, refrigerant flows according to the arrow indication and operates when heating.

Claims (7)

1. combined air-conditioning system, comprise the compressor cabinet-type air conditioner group of the indoor set unit (3), compressor having internally mounted (19) and the electric control system power model that connect by pipeline and cross valve (13), refrigerant pipeline and cool off unit, it is characterized in that described indoor set unit, compressor cabinet-type air conditioner group and cooling unit are connected for the separate unit that is separated from each other and by pipeline separately, the electric control system power model is fixed on the controller module radiator (23), and described radiator is connected on the refrigerant pipeline.
2. combined air-conditioning system according to claim 1, it is characterized in that described compressor cabinet-type air conditioner group is an I type compressor cabinet-type air conditioner group (2-1), comprise conventional stop valve (4), expansion valve (5), check valve (10), device for drying and filtering (7), low tension switch (9), throttle capillary tube (12), alternating-current normally-open electromagnetic valve (6), gas-liquid separator (20) and silencer (11), the cooling unit is the air-cooled unit of conventional structure (1-1) that comprises air cooled condenser (21) and coolant distributor (22), is connected with the refrigerant pipeline (17) that forms loop between described I type compressor cabinet-type air conditioner group and the air-cooled unit.
3. combined air-conditioning system according to claim 1, it is characterized in that described compressor cabinet-type air conditioner group is an II type compressor cabinet-type air conditioner group (2-2), comprise conventional expansion valve (5), device for drying and filtering (7), low tension switch (9), gas-liquid separator (20) and silencer (11), be provided with the heat exchanger that can connect the flowing water pipeline in the II type compressor cabinet-type air conditioner group, the cooling unit is water-cooled unit (1-2), described water-cooled unit comprises and is exposed on the ground and is embedded in underground flowing water pipeline (16) and is located at water pump (15) on the flowing water pipeline, is exposed at the interior heat exchanger of flowing water pipeline on the ground and II type compressor cabinet-type air conditioner group (2-2) in the described water-cooled unit and links to each other.
4. combined air-conditioning system according to claim 1, it is characterized in that described compressor cabinet-type air conditioner group is an III type compressor cabinet-type air conditioner group (2-3), comprise conventional stop valve (4), expansion valve (5), check valve (10), device for drying and filtering (7), low tension switch (9), throttle capillary tube (12), alternating-current normally-open electromagnetic valve (6), gas-liquid separator (20), silencer (11), be provided with the heat exchanger that can connect the flowing water pipeline in the III type compressor cabinet-type air conditioner group, the cooling unit is water-cooled unit (1-2) and comprises air cooled condenser (21) and the air-cooled unit of conventional structure (1-1) of coolant distributor (22), described water-cooled unit comprises and is exposed on the ground and is embedded in underground flowing water pipeline (16) and is located at water pump (15) on the flowing water pipeline, the refrigerant pipeline of described air-cooled unit by refrigerant pipeline and the III type compressor cabinet-type air conditioner group formation loop that links to each other, the flowing water pipeline that is exposed in the described water-cooled unit on the ground links to each other with heat exchanger in the III type compressor cabinet-type air conditioner group, and the refrigerant pipeline in the III type compressor cabinet-type air conditioner group is provided with the cross valve (13) that is used to switch air-cooled unit of selection and water-cooled unit.
5. according to claim 3 or 4 described combined air-conditioning systems, it is characterized in that described heat exchanger is plate type heat exchanger (24) or coaxial heat exchanger.
6. according to claim 1 or 2 or 3 or 4 described combined air-conditioning systems, it is characterized in that the refrigerant pipeline of drawing from compressor (19) output in the described compressor cabinet-type air conditioner group is equipped with a water heater (18), the refrigerant pipeline penetrates in the water tank of water heater as heating pipe line.
7. according to claim 1 or 2 or 3 or 4 described combined air-conditioning systems, it is characterized in that the mounting structure of described compressor rack unit is installed or the installation of indoor furred ceiling or three kinds of structures of piping shaft installation for being embedded into body of wall.
CN200910097125A 2009-03-23 2009-03-23 Combined air-conditioning system Pending CN101762111A (en)

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103502744A (en) * 2012-01-18 2014-01-08 株式会社东芝 Air-conditioning apparatus and method for controlling air conditioning
CN105937526A (en) * 2016-06-30 2016-09-14 江苏金荣森制冷科技有限公司 Industry refrigerating machine with hydraulic bypass with piston-type pressure relief valve
CN105972002A (en) * 2016-06-30 2016-09-28 江苏金荣森制冷科技有限公司 Temperature control industrial refrigerating device for hydraulic bypass with piston type pressure release valve
CN106015191A (en) * 2016-06-30 2016-10-12 江苏金荣森制冷科技有限公司 Heating type industrial hydraulic oil refrigerating machine
CN106122178A (en) * 2016-06-30 2016-11-16 江苏金荣森制冷科技有限公司 The method of work of the temperature control hydraulic pressure heat-exchanger rig with the bypass of piston type relief valve hydraulic pressure
CN106122177A (en) * 2016-06-30 2016-11-16 江苏金荣森制冷科技有限公司 The method of work of the temperature control industrial refrigeration machine with the bypass of piston type relief valve hydraulic pressure
CN106122180A (en) * 2016-06-30 2016-11-16 江苏金荣森制冷科技有限公司 The method of work of the industrial refrigeration machine of the hydraulic pressure bypass with piston type relief valve
CN106122179A (en) * 2016-06-30 2016-11-16 江苏金荣森制冷科技有限公司 The method of work of the industrial refrigerating plant of the hydraulic pressure bypass with piston type relief valve
CN106151176A (en) * 2016-06-30 2016-11-23 江苏金荣森制冷科技有限公司 The method of work of the temperature control industrial refrigerating plant of the hydraulic pressure bypass with ball-type relief valve

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103502744A (en) * 2012-01-18 2014-01-08 株式会社东芝 Air-conditioning apparatus and method for controlling air conditioning
CN103502744B (en) * 2012-01-18 2017-04-12 株式会社东芝 Air-conditioning apparatus and method for controlling air conditioning
CN106151176A (en) * 2016-06-30 2016-11-23 江苏金荣森制冷科技有限公司 The method of work of the temperature control industrial refrigerating plant of the hydraulic pressure bypass with ball-type relief valve
CN105937526A (en) * 2016-06-30 2016-09-14 江苏金荣森制冷科技有限公司 Industry refrigerating machine with hydraulic bypass with piston-type pressure relief valve
CN106122178A (en) * 2016-06-30 2016-11-16 江苏金荣森制冷科技有限公司 The method of work of the temperature control hydraulic pressure heat-exchanger rig with the bypass of piston type relief valve hydraulic pressure
CN106122177A (en) * 2016-06-30 2016-11-16 江苏金荣森制冷科技有限公司 The method of work of the temperature control industrial refrigeration machine with the bypass of piston type relief valve hydraulic pressure
CN106122180A (en) * 2016-06-30 2016-11-16 江苏金荣森制冷科技有限公司 The method of work of the industrial refrigeration machine of the hydraulic pressure bypass with piston type relief valve
CN106122179A (en) * 2016-06-30 2016-11-16 江苏金荣森制冷科技有限公司 The method of work of the industrial refrigerating plant of the hydraulic pressure bypass with piston type relief valve
CN105972002A (en) * 2016-06-30 2016-09-28 江苏金荣森制冷科技有限公司 Temperature control industrial refrigerating device for hydraulic bypass with piston type pressure release valve
CN106015191A (en) * 2016-06-30 2016-10-12 江苏金荣森制冷科技有限公司 Heating type industrial hydraulic oil refrigerating machine
CN106122179B (en) * 2016-06-30 2017-09-29 江苏金荣森制冷科技有限公司 The method of work of the industrial refrigerating plant of hydraulic pressure bypass with piston type relief valve
CN106151176B (en) * 2016-06-30 2017-09-29 江苏金荣森制冷科技有限公司 The method of work of the temperature control industrial refrigerating plant of hydraulic pressure bypass with ball-type relief valve
CN106122177B (en) * 2016-06-30 2017-09-29 江苏金荣森制冷科技有限公司 The method of work of the temperature control industrial refrigeration machine bypassed with piston type relief valve hydraulic pressure
CN106122180B (en) * 2016-06-30 2017-09-29 江苏金荣森制冷科技有限公司 The method of work of the industrial refrigeration machine of hydraulic pressure bypass with piston type relief valve
CN106122178B (en) * 2016-06-30 2017-09-29 江苏金荣森制冷科技有限公司 The method of work of the temperature control hydraulic pressure heat-exchanger rig bypassed with piston type relief valve hydraulic pressure
CN105972002B (en) * 2016-06-30 2017-12-05 江苏金荣森制冷科技有限公司 Temperature control industrial refrigerating plant with the bypass of piston type relief valve hydraulic pressure

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Open date: 20100630