CN202770088U - Closed natural cooling system of big temperature difference craft cooling water - Google Patents
Closed natural cooling system of big temperature difference craft cooling water Download PDFInfo
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- CN202770088U CN202770088U CN2012204140036U CN201220414003U CN202770088U CN 202770088 U CN202770088 U CN 202770088U CN 2012204140036 U CN2012204140036 U CN 2012204140036U CN 201220414003 U CN201220414003 U CN 201220414003U CN 202770088 U CN202770088 U CN 202770088U
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- cooling
- temperature difference
- water pump
- large temperature
- cooling water
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
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Abstract
The utility model relates to the application of the energy saving technology of the air conditioning system in the craft cooling water system of the industrial field. A closed natural cooling system of big temperature difference craft cooling water is characterized in that an evaporator, a processing device, an pressure boost water pump, a closed natural cooling energy saving device and a freezing water pump which are arranged in every temperature difference refrigerating main machine are sequentially connected with each other in a closed loop mode through a freezing water pipeline system. A condenser, a cooling water pump and a freezing pump which are arranged in the every temperature difference refrigerating system are sequentially connected with each other in a closed loop mode through the a cooling water pipeline system. A big temperature difference closed natural cooling energy saving device is formed by two sealed recycling cooling devices which are connected with each other in series in a combined mode, wherein coil pipes of the two sealed recycling cooling devices are provided with cooling working medium, and temperature difference of total return water is the sum of the temperature differences of the two sealed recycling cooling devices. The closed natural cooling system of the big temperature difference craft cooling water has the advantages of being capable of significantly reducing system energy consumption, remarkable in energy saving effect, provided with good social and economic benefits and specially suitable for application places that heat productivity of processing devices in the industrial field is high, craft cooling water provided by refrigeration is needed during the whole year and the big temperature difference cooling main machine system is still needed to operate in winter to refrigerate.
Description
Technical field
The utility model relates to the air conditioner system energy saving technology in the application of the large temperature difference process cooling water of industrial circle system.
Background technology
Industrial circle process cooling water system, cooling water flow is large, the temperature difference is large, therefore the refrigeration duty of cooling water system is large, refrigeration duty is main relevant with output, is subjected to the impact of outdoor environment temperature little, even in outdoor environment temperature very low winter, the refrigeration duty of process cooling water system is still larger, therefore need the whole year handpiece Water Chilling Units refrigerating operaton that chilled water is provided, handpiece Water Chilling Units operation energy consumption and operating cost are high.
The large temperature difference process cooling water of present industrial circle system flow schematic diagram as shown in Figure 1, mainly comprise: large temperature-difference refrigerating main frame 1, evaporimeter 2, process equipment 3, chilled water pump 4, condenser 5, cooling water pump 6, open cooling tower 7, pipeline annexation, position relationship are all prior art between them.Large temperature-difference refrigerating main frame 1 operation, the heat of evaporimeter 2 absorption technique cooling waters wherein, the process cooling water rear supply process equipment 3 of being lowered the temperature, carry out heat exchange with process equipment 3 after, the process cooling water temperature evaporimeter 2 that returns in the refrigeration host computer that raises is lowered the temperature.Condenser 5 is dispersed into the condensation heat that above-mentioned process of refrigerastion produces in the atmosphere by open cooling tower 7.
The common practise of state of the art:
Supply backwater temperature difference is called large temperature difference process cooling water system more than or equal to the process cooling water system more than 7 ℃.
Supply backwater temperature difference is called large temperature-difference refrigerating main frame more than or equal to the refrigeration host computer more than 7 ℃.
Supply backwater temperature difference is called large temperature difference enclosed nature cooling and energy conserving device more than or equal to the nature of the enclosed more than 7 ℃ cooling and energy conserving device.
Summary of the invention
The purpose of this utility model is to realize the large temperature difference handpiece Water Chilling Units of prior art is provided for process equipment the improvement of chilled water system, makes the acquisition energy-saving effect.
The technical scheme that the utility model proposes is: system comprises and is placed in some large temperature-difference refrigerating main frame, process equipment, open cooling tower, cooling water pipeline system, cooling water pumps arranged side by side in the main equipment room, described each large temperature-difference refrigerating main frame includes evaporimeter and condenser, it is characterized in that, this system also comprises large temperature difference enclosed nature cooling and energy conserving device, chilled water pump, chilled water pipeline system, booster water pump, control system and two two-way electronic valves
Described control system is connected with large temperature-difference refrigerating main frame, large temperature difference enclosed nature cooling and energy conserving device, open cooling tower, cooling water pump, chilled water pump, booster water pump, two-way electronic valve respectively,
Evaporimeter in each large temperature-difference refrigerating main frame, process equipment, booster water pump, enclosed nature cooling and energy conserving device, chilled water pump connect by chilled water pipeline system closed loop successively,
Condenser in each large temperature-difference refrigerating main frame, cooling water pump, open cooling tower connect by cooling water pipeline system closed loop successively,
Described large temperature difference enclosed nature cooling and energy conserving device is to be connected in series by two sealing and circulating cooling devices to combine, and filling with in the coil pipe of described each sealing and circulating cooling device has cooling working medium,
Described two two-way electronic valves are installed on respectively on two branch roads of chilled water pipeline system.
The utility model is by increasing large temperature difference enclosed nature cooling and energy conserving device in the system, outstanding is, can realize that the handpiece Water Chilling Units operation that in the winter time this large temperature difference enclosed natural cooling device and aturally-cold air heat exchange substitute compression refrigeration provides cryogenic freezing water, thereby greatly reduce system energy consumption, energy-saving effect is remarkable.The utility model has reduced energy consumption and the fault rate of original system, and good Social benefit and economic benefit is arranged.
It is large that the utility model specially is applicable to industrial circle process equipment caloric value, needs the whole year running refrigerating that process cooling water is provided, and the refrigeration host computer system still needs the application places of running refrigerating winter.
Description of drawings
Fig. 1 is the large temperature difference process cooling water of present industrial circle system flow schematic diagram.
Fig. 2 is principle process schematic diagram of the present utility model.
Description of symbols: large temperature-difference refrigerating main frame 1, evaporimeter 2, process equipment 3, chilled water pump 4, condenser 5, cooling water pump 6, open cooling tower 7, sealing and circulating cooling device 81, sealing and circulating cooling device 82, booster water pump 9, two-way electronic valve 10, two-way electronic valve 11, chilled water pipeline system 12, cooling water pipeline system 13.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described further.
As shown in Figure 2, the utility model system comprises: be placed in some large temperature-difference refrigerating main frame 1, process equipment 3, open cooling tower 7, cooling water pipeline system 13, cooling water pumps 6 arranged side by side in the main equipment room (not shown), described each large temperature-difference refrigerating main frame mainly comprises evaporimeter 2 and condenser 5 etc., it is characterized in that, also comprise large temperature difference enclosed nature cooling and energy conserving device, chilled water pump 4, chilled water pipeline system 12, booster water pump 9, control system (not shown) and two two-way electronic valves (10,11), their annexation is:
Described control system is connected with the electrical control cubicles (not shown) of large temperature-difference refrigerating main frame 1, large temperature difference enclosed nature cooling and energy conserving device, open cooling tower 7, cooling water pump 6, chilled water pump 4, booster water pump 9, two-way electronic valve (10,11) respectively,
Chilled water pump 4 is installed in the chilled water pipeline system 12 and circulates between some paratactic type evaporators 2 and process equipment 3 for being responsible for chilled water.
Condenser 5 in each large temperature-difference refrigerating main frame 1, cooling water pump 6, open cooling tower 7 connect by cooling water pipeline system closed loop successively;
Described open cooling tower is installed on the good zone of main equipment room separate ventilation.
Described process equipment 3 is on the production line of factory floor.
Described large temperature difference enclosed nature cooling and energy conserving device is to have two of cooling working medium sealing and circulating cooling device 81 and 82 to be connected in series to combine by filling with in the coil pipe, and sealing and circulating cooling device 81 supply backwater temperature differences in front are t
b-t
a=△ T
1℃, sealing and circulating cooling device 82 supply backwater temperature differences in back are t
a-t
c=△ T
2℃, so whole large temperature difference enclosed nature cooling and energy conserving device, its large difference between water supply and return temperature difference=△ T
I+ △ T
2=t
b-t
cSeparate unit sealing and circulating cooling device is comprised of parts such as blower fan, feeding spraying pump, heat exchange copper tube, filler, tower bodies, is the commercially available prod, this equipment itself be not the utility model to the contribution of prior art, this body structure of equipment is not done concrete introduction herein.Process cooling water circulates in the heat exchange copper tube of enclosed nature cooling and energy conserving device, does not contact with outdoor air, and cooling water quality can not be subject to outdoor air pollution.Cooling working medium is to carry out heat exchange by coil pipe wall and shower water, shower water forms moisture film in coil surface and filling surface, the liquid water evaporator strip is walked heat, and the flow working medium in the coil pipe is lowered the temperature, thereby makes the process cooling water that flows in the heat exchange copper tube obtain to cool.
Described booster water pump 9 is used for overcoming owing to newly increasing the water resistance that chilled water pipeline system 12, valve member and the natural cooling and energy conserving device of large temperature difference enclosed cause increase.
Described two two-way electronic valves are installed on respectively on two branch lines of chilled water pipeline system, wherein: two-way electronic valve 10 is used for the control process cooling water and leads to opening or closing of the large temperature difference enclosed nature cooling and energy conserving device sealing and circulating cooling device 81,82 of tandem connection (namely by) by process equipment 3, and two-way electronic valve 11 is used for the control process cooling water and directly leads to opening or closing of evaporimeter 2 by process equipment 3.
Described control system is used for realizing the automatic switchover of handpiece Water Chilling Units isolated operation refrigeration, large temperature difference enclosed natural cooling device isolated operation refrigeration, handpiece Water Chilling Units and three kinds of mode of operations of large temperature difference enclosed natural cooling device cooperation refrigeration by two-way electronic valve 10, two-way electronic valve 11.Be specially:
When outdoor environment temperature is higher, the natural cooling effect of large temperature difference enclosed nature cooling and energy conserving device is not obvious, in this case, control system makes that two-way electronic valve 10 is closed, two-way electronic valve 11 is opened, enclosed natural cooling device 8 does not start, 1 operation of large temperature-difference refrigerating main frame, chilled water pump 4 operations, cooling water pump 6 operations, open cooling tower 7 operations, and process equipment 3 high-temperature water out cools to the required temperature of technique through each evaporimeter of excessive temperature-difference refrigerating main frame 1.
When outdoor environment temperature is low, the natural cooling effect of large temperature difference enclosed nature cooling and energy conserving device is obvious, in this case, control system is opened two-way electronic valve 10, two-way electronic valve 11 is closed, the operation of large temperature difference enclosed nature cooling and energy conserving device, large temperature-difference refrigerating main frame 1 operation of actuating section, chilled water pump 4 operations, cooling water pump 6 operations, open cooling tower 7 operations, process equipment 3 high-temperature water out first is reduced to uniform temperature through excessive temperature difference enclosed natural cooling device, and then further cools to needed temperature through the evaporimeter of excessive temperature-difference refrigerating main frame 1.Large temperature difference enclosed nature cooling and energy conserving device and large temperature-difference refrigerating main frame 1 cooperation refrigeration, the operation of large temperature difference enclosed nature cooling and energy conserving device has reduced the running load of refrigeration host computer, saves operation power consumption and the running load of large temperature-difference refrigerating main frame 1.
When outdoor environment temperature further reduces again; the natural cooling effect of large temperature difference enclosed nature cooling and energy conserving device is more remarkable; in this case; control system is closed two-way electronic valve 10 unlatchings, two-way electronic valve 11; large temperature difference enclosed nature cooling and energy conserving device independent operating; large temperature-difference refrigerating main frame 1 is shut down; chilled water pump 4 operations; cooling water pump 6 and open cooling tower 7 are shut down, and process equipment high-temperature water out is reduced to the temperature of arts demand through excessive temperature difference enclosed nature cooling and energy conserving device.The handpiece Water Chilling Units operation that large temperature difference enclosed nature cooling and energy conserving device independent operating substitutes compression refrigeration provides cryogenic freezing water, and cooling water pump and cooling tower are also out of service, greatly reduce system energy consumption, and energy-saving effect is remarkable.
The utility model provides the basis of process cooling water to increase large temperature difference enclosed nature cooling and energy conserving device, booster water pump, is used for two-way electronic valve, chilled water pipeline system and the control system of switching working mode in original handpiece Water Chilling Units, provided process cooling water from originally only there being single handpiece Water Chilling Units to provide the process cooling water system to become large temperature difference enclosed nature cooling and energy conserving device with the handpiece Water Chilling Units cooperation, or the natural cooling and energy conserving device independent operating of large temperature difference enclosed provides process cooling water.Determine the specification of the large temperature difference enclosed nature cooling and energy conserving device of needs configuration according to the supply backwater temperature difference of total refrigeration duty of process equipment and process cooling water.
Claims (1)
1. large temperature difference process cooling water enclosed Cooling System, it is characterized in that, this system comprises and is placed in some large temperature-difference refrigerating main frames arranged side by side in the main equipment room, process equipment, open cooling tower, the cooling water pipeline system, cooling water pump, described each large temperature-difference refrigerating main frame includes evaporimeter and condenser, it is characterized in that, this system also comprises large temperature difference enclosed nature cooling and energy conserving device, chilled water pump, the chilled water pipeline system, booster water pump, control system and two two-way electronic valves
Described control system is connected with large temperature-difference refrigerating main frame, large temperature difference enclosed nature cooling and energy conserving device, open cooling tower, cooling water pump, chilled water pump, booster water pump, two-way electronic valve respectively,
Evaporimeter in each large temperature-difference refrigerating main frame, process equipment, booster water pump, enclosed nature cooling and energy conserving device, chilled water pump connect by chilled water pipeline system closed loop successively,
Condenser in each large temperature-difference refrigerating main frame, cooling water pump, open cooling tower connect by cooling water pipeline system closed loop successively,
Described large temperature difference enclosed nature cooling and energy conserving device is to be connected in series by two sealing and circulating cooling devices to combine, and filling with in the coil pipe of described each sealing and circulating cooling device has cooling working medium,
Described two two-way electronic valves are installed on respectively on two branch roads of chilled water pipeline system.
Priority Applications (1)
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CN2012204140036U CN202770088U (en) | 2012-08-21 | 2012-08-21 | Closed natural cooling system of big temperature difference craft cooling water |
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CN2012204140036U CN202770088U (en) | 2012-08-21 | 2012-08-21 | Closed natural cooling system of big temperature difference craft cooling water |
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CN2012204140036U Expired - Lifetime CN202770088U (en) | 2012-08-21 | 2012-08-21 | Closed natural cooling system of big temperature difference craft cooling water |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103471295A (en) * | 2013-09-18 | 2013-12-25 | 江苏丽天石化码头有限公司 | Chilled water system of parallel volume expansion refrigeration machine |
CN105135578A (en) * | 2015-10-08 | 2015-12-09 | 福建德兴节能科技有限公司 | High-efficiency refrigeration method and device |
-
2012
- 2012-08-21 CN CN2012204140036U patent/CN202770088U/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103471295A (en) * | 2013-09-18 | 2013-12-25 | 江苏丽天石化码头有限公司 | Chilled water system of parallel volume expansion refrigeration machine |
CN103471295B (en) * | 2013-09-18 | 2016-01-20 | 江苏丽天石化码头有限公司 | Chilled water system of parallel expansion refrigerator |
CN105135578A (en) * | 2015-10-08 | 2015-12-09 | 福建德兴节能科技有限公司 | High-efficiency refrigeration method and device |
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Granted publication date: 20130306 |
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CX01 | Expiry of patent term |