CN204063667U - A kind of intelligent plural serial stage water-cooled cooling-water machine - Google Patents
A kind of intelligent plural serial stage water-cooled cooling-water machine Download PDFInfo
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- CN204063667U CN204063667U CN201420379126.XU CN201420379126U CN204063667U CN 204063667 U CN204063667 U CN 204063667U CN 201420379126 U CN201420379126 U CN 201420379126U CN 204063667 U CN204063667 U CN 204063667U
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Abstract
A kind of intelligent plural serial stage water-cooled cooling-water machine, is characterized in that: be made up of stage compressor, first-stage condenser, split-compressor, secondary condenser, three-stage blower, three grades of condensers, one-level intelligent controller, second-level intelligence controller, device for drying and filtering, expansion valve, some dual pressure controllers, some low pressure controllers, evaporimeter, water circulating pump, water tank, float switch, some globe valves, some check valves.The beneficial effects of the utility model are: this intelligent plural serial stage water-cooled cooling-water machine increases the temperature, pressure being flowed into controller refrigerant by the induction of temperaturing control pressure sensor in intelligent controller, judge whether to need to start secondary or three-stage blower.This device can meet the terminal device of the different temperature difference, and especially the temperature difference of terminal device needs often to change.
Description
Technical field
The utility model relates to art of refrigeration units, particularly relates to a kind of intelligent plural serial stage water-cooled cooling-water machine field.
Background technology
Refrigeration plant all adopts single-stage cooling-water machine to freeze mostly, and when needed for terminal device, the chilled water temperature difference is larger, single-stage cooling-water machine cannot meet, and parallel cooling-water machine is applicable to the terminal device of high energy consumption, the large temperature difference.What series connection cooling-water machine of the prior art adopted is simple directly series devices, improves cooling effect to provide chilled water.When the chilled water temperature difference hour that terminal device needs, this parallel cooling-water machine or simple directly series connection cooling-water machine have the shortcoming of the low output of high energy consumption, and such equipment is not suitable for the larger terminal refrigeration plant of temperature difference the change of divergence.
Utility model content
The purpose of this utility model is to provide a kind of intelligent plural serial stage water-cooled cooling-water machine.
The technical solution of the utility model is: a kind of intelligent plural serial stage water-cooled cooling-water machine, is characterized in that: be made up of stage compressor, first-stage condenser, split-compressor, secondary condenser, three-stage blower, three grades of condensers, one-level intelligent controller, second-level intelligence controller, device for drying and filtering, expansion valve, some dual pressure controllers, some low pressure controllers, evaporimeter, water circulating pump, water tank, float switch, some globe valves, some check valves, the output refrigerant of described stage compressor flows through dual pressure controller and flows into first-stage condenser, the output refrigerant of described first-stage condenser flows into one-level intelligent controller, the output refrigerant of described one-level intelligent controller flows through check valve and flows into device for drying and filtering, the output refrigerant of described one-level intelligent controller flows through low-pressure control valve and flows into split-compressor, the output refrigerant of described split-compressor flows through high pressure control valve and flows into secondary condenser, the output refrigerant of described secondary condenser flows into second-level intelligence controller, the output refrigerant of described second-level intelligence controller flows through check valve and flows into device for drying and filtering, the output refrigerant of described second-level intelligence filter flows through low-pressure control valve and flows into three-stage blower, the output refrigerant of described three-stage blower flows through high pressure control valve and flows into three grades of condensers, the output refrigerant of described three grades of condensers flows through check valve and flows into device for drying and filtering, the output refrigerant of described Filter dryer flows into expansion valve, the output refrigerant of described expansion valve flows into evaporimeter, the output refrigerant of described evaporimeter flows through low-pressure control valve and flows into stage compressor, complete refrigerant loop, described first-stage condenser is provided with cooling water inlet and coolant outlet, described secondary condenser is provided with cooling water inlet and coolant outlet, described three grades of condensers are provided with cooling water inlet and coolant outlet, described first-stage condenser cooling water inlet input cooling water, described first-stage condenser coolant outlet exports cooling water and flows into secondary condenser cooling water inlet, described secondary condenser coolant outlet exports cooling water and flows into three grades of condenser cooling water entrances, described three grades of condenser cooling waters outlet exports cooling water, completes chilled(cooling) water return (CWR), described high temperature chilled water flow flows into water tank through globe valve, described water tank is fixedly connected with water circulating pump, described high temperature chilled water flows into evaporimeter through water circulating pump, and described high temperature chilled water becomes cryogenic freezing water through evaporator cooling and flows out through globe valve, completes chilled water circuit.
Further, establish temperaturing control pressure sensor and starter gate valve in described one-level intelligent controller, when the refrigerant flowing into one-level intelligent controller is entirely liquid state, refrigerant directly flows into Filter dryer by check valve; When first-stage condenser fails to liquefy refrigerant completely, the refrigerant flowing into one-level intelligent controller comprises liquid state and gaseous state, and starter gate valve starts, and gaseous coolant flows into split-compressor and continues compression, and liquid refrigerants refrigerant directly flows into Filter dryer by check valve.
Further, establish temperaturing control pressure sensor and starter gate valve in described second-level intelligence controller, when the refrigerant flowing into second-level intelligence controller is entirely liquid state, refrigerant directly flows into Filter dryer by check valve; When secondary condenser fails to liquefy refrigerant completely, the refrigerant flowing into second-level intelligence controller comprises liquid state and gaseous state, and starter gate valve starts, and gaseous coolant flows into three-stage blower and continues compression, and liquid refrigerants refrigerant directly flows into Filter dryer by check valve.
Further, the number of described some dual pressure controllers is 3.
Further, the number of described some low pressure controllers is 3.
Further, the number of described globe valve is 2.
Further, the number of described some check valves is 4.
The beneficial effects of the utility model are: this intelligent plural serial stage water-cooled cooling-water machine sets up intelligent controller, the temperature, pressure of controller refrigerant is flowed into by the induction of temperaturing control pressure sensor in intelligent controller, judge whether to need to start split-compressor, when needed for terminal refrigeration plant, the temperature difference is less, without the need to starting split-compressor, can economize energy; Need lower temperature when terminal refrigeration plant or produce the larger temperature difference, can be worked by split-compressor or three-stage blower simultaneously meet.This device can meet the terminal device of the different temperature difference, and especially the temperature difference of terminal device needs often to change.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Wherein: 1, stage compressor 2, first-stage condenser 3, split-compressor 4, secondary condenser 5, three-stage blower 6, three grades of condensers 7, one-level intelligent controller 8, second-level intelligence controller 9, device for drying and filtering 10, expansion valve 11, some dual pressure controllers 12, some low pressure controllers 13, evaporimeter 14, water circulating pump 15, water tank 16, float switch 17, some globe valves 18, some check valves 19, cooling water inlet 20, coolant outlet 21, temperaturing control pressure sensor 22, starter gate valve
Detailed description of the invention
Below in conjunction with accompanying drawing, brief description is made to detailed description of the invention of the present utility model.
An intelligent plural serial stage water-cooled cooling-water machine as shown in Figure 1, is characterized in that: be made up of stage compressor 1, first-stage condenser 2, split-compressor 3, secondary condenser 4, three-stage blower 5, three grades of condensers 6, one-level intelligent controller 7, second-level intelligence controller 8, device for drying and filtering 9, expansion valve 10, some dual pressure controllers 11, some low pressure controllers 12, evaporimeter 13, water circulating pump 14, water tank 15, float switch 16, some globe valves 17, some check valves 18, the output refrigerant of described stage compressor 1 flows through dual pressure controller 11 and flows into first-stage condenser 2, the output refrigerant of described first-stage condenser 2 flows into one-level intelligent controller 7, the output refrigerant of described one-level intelligent controller 7 flows through check valve 18 and flows into device for drying and filtering 9, the output refrigerant of described one-level intelligent controller 7 flows through low-pressure control valve 12 and flows into split-compressor 3, the output refrigerant of described split-compressor 3 flows through high pressure control valve 11 and flows into secondary condenser 4, the output refrigerant of described secondary condenser 4 flows into second-level intelligence controller 8, the output refrigerant of described second-level intelligence controller 8 flows through check valve 18 and flows into device for drying and filtering 9, the output refrigerant of described second-level intelligence filter 8 flows through low-pressure control valve 12 and flows into three-stage blower 5, the output refrigerant of described three-stage blower 5 flows through high pressure control valve 11 and flows into three grades of condensers 6, the output refrigerant of described three grades of condensers 6 flows through check valve 18 and flows into device for drying and filtering 9, the output refrigerant of described Filter dryer 9 flows into expansion valve 10, the output refrigerant of described expansion valve 10 flows into evaporimeter 13, the output refrigerant of described evaporimeter 13 flows through low-pressure control valve 12 and flows into stage compressor 1, complete refrigerant loop, described first-stage condenser 2 is provided with cooling water inlet 19 and coolant outlet 20, described secondary condenser 4 is provided with cooling water inlet 19 and coolant outlet 20, described three grades of condensers 6 are provided with cooling water inlet 19 and coolant outlet 20, described first-stage condenser 2 cooling water inlet 19 inputs cooling water, described first-stage condenser 2 coolant outlet 20 exports cooling water and flows into secondary condenser 4 cooling water inlet 19, described secondary condenser 4 coolant outlet 20 exports cooling water and flows into three grades of condenser 6 cooling water inlets 19, described three grades of condenser 6 coolant outlets 20 export cooling water, complete chilled(cooling) water return (CWR), described high temperature chilled water flow flows into water tank 15 through globe valve 17, described water tank 15 is fixedly connected with water circulating pump 14, described high temperature chilled water flows into evaporimeter 13 through water circulating pump 14, described high temperature chilled water becomes cryogenic freezing water through evaporator 13 cooling and flows out through globe valve 17, completes chilled water circuit.
Further, establish temperaturing control pressure sensor 21 and starter gate valve 22 in described one-level intelligent controller 7, when the refrigerant flowing into one-level intelligent controller 7 is entirely liquid state, refrigerant directly flows into Filter dryer 9 by check valve 18; When first-stage condenser 2 fails to liquefy refrigerant completely, the refrigerant flowing into one-level intelligent controller 7 comprises liquid state and gaseous state, starter gate valve 22 starts, and gaseous coolant flows into split-compressor 3 and continues compression, and liquid refrigerants refrigerant directly flows into Filter dryer 9 by check valve 18.
Further, establish temperaturing control pressure sensor 21 and starter gate valve 22 in described second-level intelligence controller 8, when the refrigerant flowing into second-level intelligence controller 8 is entirely liquid state, refrigerant directly flows into Filter dryer 9 by check valve 18; When secondary condenser 4 fails to liquefy refrigerant completely, the refrigerant flowing into second-level intelligence controller 8 comprises liquid state and gaseous state, starter gate valve 22 starts, and gaseous coolant flows into three-stage blower 5 and continues compression, and liquid refrigerants refrigerant directly flows into Filter dryer 9 by check valve 18.
Further, the number of described some dual pressure controllers 10 is 3.
Further, the number of described some low pressure controllers 11 is 3.
Further, the number of described globe valve 17 is 2.
Further, the number of described some check valves 18 is 4.
Working method: this intelligent plural serial stage water-cooled cooling-water machine comprises coolant circulating system, cooling water recirculation system, the chilled water circulatory system.Wherein in coolant circulating system, refrigerant becomes cryogenic gaseous refrigerant by stage compressor compression refrigeration, flows through condenser, becomes low temperature liquid refrigerant, evaporimeter is arrived by Filter dryer, expansion valve, take away the heat in high temperature chilled water, become high-temperature gas refrigerant, enter compressor compresses.When the high-temperature gas refrigerant temperature entering stage compressor is too high, refrigerant through stage compressor compression, first-stage condenser condensation fails to liquefy completely, the high temperature refrigerant of intelligent controller control section gaseous state enters split-compressor and continues compression, then enter secondary condenser and continue condensation, when secondary condenser also fails to liquefy completely, intelligent controller starts three-stage blower, refrigerant compresses through the continuation of three-stage blower, condenser condenses, become low temperature liquid, enter evaporimeter take away heat through Filter dryer, expansion valve.The intelligent controller that this device is set up, flowed into the temperature, pressure of controller refrigerant by the induction of temperaturing control pressure sensor in intelligent controller, judge whether to need to start split-compressor, when the temperature difference is less needed for terminal refrigeration plant, without the need to starting split-compressor, can economize energy; Need lower temperature when terminal refrigeration plant or produce the larger temperature difference, can be worked by split-compressor or three-stage blower simultaneously meet.This device can meet the terminal device of the different temperature difference, and especially the temperature difference of terminal device needs often to change.
Above an embodiment of the present utility model has been described in detail, but described content being only preferred embodiment of the present utility model, can not being considered to for limiting practical range of the present utility model.All equalizations done according to the utility model application range change and improve, and all should still belong within patent covering scope of the present utility model.
Claims (7)
1. an intelligent plural serial stage water-cooled cooling-water machine, is characterized in that: be made up of stage compressor, first-stage condenser, split-compressor, secondary condenser, three-stage blower, three grades of condensers, one-level intelligent controller, second-level intelligence controller, device for drying and filtering, expansion valve, some dual pressure controllers, some low pressure controllers, evaporimeter, water circulating pump, water tank, float switch, some globe valves, some check valves, the output refrigerant of described stage compressor flows through dual pressure controller and flows into first-stage condenser, the output refrigerant of described first-stage condenser flows into one-level intelligent controller, the output refrigerant of described one-level intelligent controller flows through check valve and flows into device for drying and filtering, the output refrigerant of described one-level intelligent controller flows through low-pressure control valve and flows into split-compressor, the output refrigerant of described split-compressor flows through high pressure control valve and flows into secondary condenser, the output refrigerant of described secondary condenser flows into second-level intelligence controller, the output refrigerant of described second-level intelligence controller flows through check valve and flows into device for drying and filtering, the output refrigerant of described second-level intelligence filter flows through low-pressure control valve and flows into three-stage blower, the output refrigerant of described three-stage blower flows through high pressure control valve and flows into three grades of condensers, the output refrigerant of described three grades of condensers flows through check valve and flows into device for drying and filtering, the output refrigerant of described Filter dryer flows into expansion valve, the output refrigerant of described expansion valve flows into evaporimeter, the output refrigerant of described evaporimeter flows through low-pressure control valve and flows into stage compressor, complete refrigerant loop, described first-stage condenser is provided with cooling water inlet and coolant outlet, described secondary condenser is provided with cooling water inlet and coolant outlet, described three grades of condensers are provided with cooling water inlet and coolant outlet, described first-stage condenser cooling water inlet input cooling water, described first-stage condenser coolant outlet exports cooling water and flows into secondary condenser cooling water inlet, described secondary condenser coolant outlet exports cooling water and flows into three grades of condenser cooling water entrances, described three grades of condenser cooling waters outlet exports cooling water, completes chilled(cooling) water return (CWR), described high temperature chilled water flow flows into water tank through globe valve, described water tank is fixedly connected with water circulating pump, described high temperature chilled water flows into evaporimeter through water circulating pump, and described high temperature chilled water becomes cryogenic freezing water through evaporator cooling and flows out through globe valve, completes chilled water circuit.
2. one according to claim 1 intelligent plural serial stage water-cooled cooling-water machine, it is characterized in that: in described one-level intelligent controller, establish temperaturing control pressure sensor and starter gate valve, when the refrigerant flowing into one-level intelligent controller is entirely liquid state, refrigerant directly flows into Filter dryer by check valve; When first-stage condenser fails to liquefy refrigerant completely, the refrigerant flowing into one-level intelligent controller comprises liquid state and gaseous state, and starter gate valve starts, and gaseous coolant flows into split-compressor and continues compression, and liquid refrigerants refrigerant directly flows into Filter dryer by check valve.
3. one according to claim 1 intelligent plural serial stage water-cooled cooling-water machine, it is characterized in that: in described second-level intelligence controller, establish temperaturing control pressure sensor and starter gate valve, when the refrigerant flowing into second-level intelligence controller is entirely liquid state, refrigerant directly flows into Filter dryer by check valve; When secondary condenser fails to liquefy refrigerant completely, the refrigerant flowing into second-level intelligence controller comprises liquid state and gaseous state, and starter gate valve starts, and gaseous coolant flows into three-stage blower and continues compression, and liquid refrigerants refrigerant directly flows into Filter dryer by check valve.
4. one according to claim 1 intelligent plural serial stage water-cooled cooling-water machine, is characterized in that: the number of described some dual pressure controllers is 3.
5. one according to claim 1 intelligent plural serial stage water-cooled cooling-water machine, is characterized in that: the number of described some low pressure controllers is 3.
6. one according to claim 1 intelligent plural serial stage water-cooled cooling-water machine, is characterized in that: the number of described globe valve is 2.
7. one according to claim 1 intelligent plural serial stage water-cooled cooling-water machine, is characterized in that: the number of described some check valves is 4.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109442783A (en) * | 2018-11-06 | 2019-03-08 | 中建五局第三建设有限公司 | A kind of cold-heat combined Regional Energy Supply Method of ultrahigh energy efficiency and system |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109442783A (en) * | 2018-11-06 | 2019-03-08 | 中建五局第三建设有限公司 | A kind of cold-heat combined Regional Energy Supply Method of ultrahigh energy efficiency and system |
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Granted publication date: 20141231 Termination date: 20150710 |
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