CN203642546U - Industrial water chilling unit accurate in temperature - Google Patents
Industrial water chilling unit accurate in temperature Download PDFInfo
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- CN203642546U CN203642546U CN201320885554.5U CN201320885554U CN203642546U CN 203642546 U CN203642546 U CN 203642546U CN 201320885554 U CN201320885554 U CN 201320885554U CN 203642546 U CN203642546 U CN 203642546U
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Abstract
The utility model discloses an industrial water chilling unit accurate in temperature. The industrial water chilling unit accurate in temperature comprises a refrigerant circulating system and a cold water circulating system, wherein in the refrigerant circulating system, the two ends of a compressor are connected with a first heat exchanger and a second heat exchanger respectively, and the first heat exchanger is connected to the second heat exchanger by being sequentially connected with a stop valve, a filter, an electromagnetic valve and an expansion valve; in the cold water circulating system, a large water tank and a small water tank are respectively provided with a water pump, the small water tank is connected to the second heat exchanger through the corresponding water pump, a floating ball is arranged inside the small water tank, an electric heater is arranged inside the large water tank, both the large water tank and the small water tank are connected to a proportional three-way valve, a one-way valve is arranged between the small water tank and the proportional three-way valve, and the other end of the proportional three-way valve is connected to a water pump. According to the industrial water chilling unit accurate in temperature, the cooling water temperature control accuracy is high, the requirement for the temperature difference of cooling water used for industrial precision equipment is met, and condensate water can be effectively avoided when the compressor operates within the normal range.
Description
Technical field
The utility model relates to a kind of industrial temperature handpiece Water Chilling Units accurately, in particular, relates to a kind of accurate water outlet one cover system of combination control handpiece Water Chilling Units that adopts.
Background technology
At present, industrial equipment cooling system starts to use in a large number handpiece Water Chilling Units, the cold water temperature of common handpiece Water Chilling Units control is poor generally between ± 2 ℃, this temperature difference can meet the demands to general industry equipment, but the accurate industrial equipment of part can not bear so large variations in temperature, cause the precise decreasing of precision equipment even to be damaged.
Accurate industrial equipment has strict demand except the water temperature difference to cooling water fluctuates, also water temperature height is had to strict requirement, coolant water temperature is too low easily to be caused in equipment and has condensed water, causes equipment component to get rusty or damages, and water temperature over-high does not reach cooling effect.Prevent that condensed water dewfall phenomenon from must improve the leaving water temperature of cooling water, but due to the technical conditions restriction of handpiece Water Chilling Units at present, can not unrestrictedly improve the leaving water temperature of cooling water, otherwise the compressor of handpiece Water Chilling Units can exceed range of operation, cause compressor to burn.
Utility model content
In order to have overcome the deficiency of existing industrial handpiece Water Chilling Units technology, the utility model provides a kind of industrial temperature handpiece Water Chilling Units accurately, this unit control accuracy is high, the cooling water temperature that meets industrial precision equipment use is poor, in the normal range of operation of compressor, can effectively prevent condensed water phenomenon.
For achieving the above object, the utility model solves the technical scheme that its technical problem adopts: the utility model comprises refrigerant-cycle systems and cold water circulating system, refrigeration system comprises compressor, heat exchanger, stop valve, expansion valve, magnetic valve, heat exchanger and heat exchange water circulating pump, compressor two ends connect respectively First Heat Exchanger and the second heat exchanger, and First Heat Exchanger is connected on the second heat exchanger by connecting successively stop valve, filter, magnetic valve, expansion valve; Cold water circulating system comprises large water tank, little water tank, ratio triple valve, check valve, electrical heating, large water tank and little water tank all arrange a water pump, little water tank is connected on the second heat exchanger by a water pump, there is a ball float little water tank inside, there is an electric heater large water tank inside, large water tank and little water tank are connected to a ratio triple valve, and a check valve is also set between little water tank and ratio triple valve, and ratio triple valve residue one end is connected to a water pump.
Described compressor be in vortex, screw any.
Described First Heat Exchanger is board-like, shell-tube type or finned heat exchanger.
The second described heat exchanger is board-like or shell and tube exchanger.
Described expansion valve is heating power expansion valve, electric expansion valve or capillary expansion valve.
Compared with prior art, the utlity model has following advantage:
1. can effectively improve the cooling water temperature that industrial handpiece Water Chilling Units uses in the time of cooling precision equipment poor, can guarantee supply constant to the cold water water temperature of the equipment of use, reduce the fluctuation of water temperature difference, prevent because of water temperature non-constant to using the destruction of equipment.
2. the cooling water leaving water temperature scope that can effectively improve industrial handpiece Water Chilling Units, this utility model can regulate cooling water water temperature range by unit, the cooling water water temperature range that can use again ratio triple valve conditioning equipment to use.
3. by the mode that uses large water tank and little water tank mutually to compensate, can, by unit operation regulating working conditions to unit optimal operational condition, improve systematic energy efficiency ratio.
4. by using large water tank and little water tank mutually to compensate and the method for temperature control of ratio triple valve, can effectively expand unit range of operation, prevent that the super scope of unit from moving, cause the compressor of handpiece Water Chilling Units to burn phenomenon.
5. effectively reduce the running time of compressor, reduce the energy consumption of compressor, saved energy consumption, reduced financial cost.
Accompanying drawing explanation
Fig. 1 is a kind of industrial temperature water chilling unit control system schematic diagram accurately.
The specific embodiment
The utility model is a kind of industrial temperature handpiece Water Chilling Units accurately, Fig. 1 is a kind of industrial temperature of the utility model water chilling unit control system schematic diagram accurately, this utility model comprises refrigerant-cycle systems and cold water circulating system, is described in detail below in conjunction with accompanying drawing:
Refrigerant-cycle systems: compressor 1 refrigerant outlet is connected with First Heat Exchanger 2 imports, First Heat Exchanger 2 refrigerant outlets are connected with stop valve 3 imports, the 3 cryogen outlets of stop valve system are connected with filter 4 imports, filter 4 refrigerant outlets are connected with magnetic valve 5 imports, magnetic valve 5 outlets are connected with expansion valve 6 imports, expansion valve 6 refrigerant outlets are connected with the second heat exchanger 7 imports, and the second heat exchanger 7 refrigerant outlets are connected with the first compressor 1 import.
Cold water circulating system: large water tank water inlet 1 is connected with the equipment of use delivery port, large water tank delivery port 1 is connected with little water tank inlet 1, large water tank delivery port 2 is connected with 13 imports 1 of ratio triple valve, between 1 mouthful of little water tank water intake and large water tank delivery port 1, controlled by ball- cock assembly 12, 13 imports 2 of ratio triple valve are connected with check valve 14 outlets, check valve 14 imports are connected with little water tank outlet 1, 13 outlets of ratio triple valve are connected with water pump 15 water inlets, water pump 15 goes out to answer back and is connected with the equipment water inlet of use, little water outlet of water tank 2 is connected with water pump 9 imports, water pump 9 delivery ports are connected with the second heat exchanger 7 water inlets, the second heat exchanger 7 delivery ports are connected with little water tank inlet 2, electrical heating 11 is contained in large water tank, water pump 8 is contained on large water tank, guarantee the even water temperature of large water tank.
Its function implementation procedure is as follows:
Charging refrigerant in refrigerant-cycle systems, refrigerant vapour enters by pipeline in First Heat Exchanger 2 after refrigeration compressor 1 adherence pressure, refrigerant vapour condensation is become to highly pressurised liquid, and after enter filter 4 through stop valve 3, then enter again magnetic valve 5 and expansion valve 6, through the cold-producing medium of expansion valve 6, after expansion valve 6 reducing pressure by regulating flows, become low-temp low-pressure liquid, enter in the second heat exchanger 7 and carry out sweat cooling, finally the refrigerant liquid of the rear low-temp low-pressure of evaporation becomes the gas of low-temp low-pressure, enter compressor 1 through the second heat exchanger 7, so just complete the circulation of refrigerant-cycle systems.
After cooling use equipment, the temperature of cooling water improves and becomes high-temperature cooling water, high-temperature cooling water enters large water tank, pipeline ball-cock assembly 12 between large water tank and little water tank enters little water tank, high-temperature cooling water enters the second heat exchanger 7 through water pump 9 after entering little water tank, high-temperature cooling water enters in heat exchanger 7 and is cooled into as low-temperature cooling water, low-temperature cooling water enters ratio triple valve 13 through check valve 14, another part high-temperature cooling water also enters ratio triple valve 13, ratio triple valve enters the mass flow of its high-temperature cooling water and the mass flow of low-temperature cooling water by control, and then the use cooling water water temperature of the industrial precision equipment of control supply, be supplied to industrial precision equipment to use by water pump 15.In the time that coolant water temperature is too low, in order to prevent occurring condensed water phenomenon in equipment, now will cut off refrigerant-cycle systems, stop heat exchanger 7 cooling effects, then start electric concurrent heating system 11 and water pump 8, by the water temp. heating in large water tank, to more than dewfall point, the intake that ratio triple valve 13 is closed to little water tank simultaneously, to guarantee that the cooling water that water pump 15 is fed in industrial precision equipment can dewfall.
Claims (5)
1. industrial temperature handpiece Water Chilling Units accurately, comprise refrigerant-cycle systems and cold water circulating system, refrigeration system comprises compressor, heat exchanger, stop valve, expansion valve, magnetic valve, heat exchanger and heat exchange water circulating pump, compressor two ends connect respectively First Heat Exchanger and the second heat exchanger, and First Heat Exchanger is connected on the second heat exchanger by connecting successively stop valve, filter, magnetic valve, expansion valve; Cold water circulating system comprises large water tank, little water tank, ratio triple valve, check valve, electrical heating, large water tank and little water tank all arrange a water pump, little water tank is connected on the second heat exchanger by a water pump, there is a ball float little water tank inside, there is an electric heater large water tank inside, large water tank and little water tank are connected to a ratio triple valve, between little water tank and ratio triple valve, a check valve are also set, and ratio triple valve residue one end is connected to a water pump.
2. the handpiece Water Chilling Units of industrial accurate temperature according to claim 1, is characterized in that: described compressor is vortex or screw compressor.
3. the handpiece Water Chilling Units of industrial accurate temperature according to claim 1, is characterized in that: described First Heat Exchanger is board-like, shell-tube type or finned heat exchanger.
4. the handpiece Water Chilling Units of industrial accurate temperature according to claim 1, is characterized in that: the second described heat exchanger is board-like or shell and tube exchanger.
5. the handpiece Water Chilling Units of industrial accurate temperature according to claim 1, is characterized in that: described expansion valve is heating power expansion valve, electric expansion valve or capillary expansion valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320885554.5U CN203642546U (en) | 2013-12-31 | 2013-12-31 | Industrial water chilling unit accurate in temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320885554.5U CN203642546U (en) | 2013-12-31 | 2013-12-31 | Industrial water chilling unit accurate in temperature |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203642546U true CN203642546U (en) | 2014-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320885554.5U Expired - Fee Related CN203642546U (en) | 2013-12-31 | 2013-12-31 | Industrial water chilling unit accurate in temperature |
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| CN (1) | CN203642546U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106196669A (en) * | 2016-08-31 | 2016-12-07 | 中山市汇丰机电科技有限公司 | A kind of double loop oil cooling machine |
| CN106969520A (en) * | 2017-04-21 | 2017-07-21 | 广州翔捷仪器有限公司 | A kind of double loop handpiece Water Chilling Units and dual temperature cooling system |
| CN107084564A (en) * | 2017-04-21 | 2017-08-22 | 广州翔捷仪器有限公司 | A kind of double loop handpiece Water Chilling Units intelligence control system and its control method |
| CN107101406A (en) * | 2017-05-23 | 2017-08-29 | 海英荷普曼船舶设备(常熟)有限公司 | Constant temperature handpiece Water Chilling Units peculiar to vessel |
| CN110966840A (en) * | 2019-12-18 | 2020-04-07 | 核工业理化工程研究院 | Water supply device of equipment test system |
| CN111023606A (en) * | 2019-12-27 | 2020-04-17 | 无锡溥汇机械科技有限公司 | Large-flow small-temperature-difference precise temperature control heat exchange system |
| CN111672226A (en) * | 2020-02-25 | 2020-09-18 | 成都瑞柯林工程技术有限公司 | Device for preventing dew condensation on surface of filter element and filter system using same |
-
2013
- 2013-12-31 CN CN201320885554.5U patent/CN203642546U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106196669A (en) * | 2016-08-31 | 2016-12-07 | 中山市汇丰机电科技有限公司 | A kind of double loop oil cooling machine |
| CN106196669B (en) * | 2016-08-31 | 2019-01-01 | 中山市汇丰机电科技有限公司 | A kind of double loop oil cooling machine |
| CN106969520A (en) * | 2017-04-21 | 2017-07-21 | 广州翔捷仪器有限公司 | A kind of double loop handpiece Water Chilling Units and dual temperature cooling system |
| CN107084564A (en) * | 2017-04-21 | 2017-08-22 | 广州翔捷仪器有限公司 | A kind of double loop handpiece Water Chilling Units intelligence control system and its control method |
| CN107101406A (en) * | 2017-05-23 | 2017-08-29 | 海英荷普曼船舶设备(常熟)有限公司 | Constant temperature handpiece Water Chilling Units peculiar to vessel |
| CN110966840A (en) * | 2019-12-18 | 2020-04-07 | 核工业理化工程研究院 | Water supply device of equipment test system |
| CN110966840B (en) * | 2019-12-18 | 2024-05-14 | 核工业理化工程研究院 | Water supply device of equipment test system |
| CN111023606A (en) * | 2019-12-27 | 2020-04-17 | 无锡溥汇机械科技有限公司 | Large-flow small-temperature-difference precise temperature control heat exchange system |
| CN111672226A (en) * | 2020-02-25 | 2020-09-18 | 成都瑞柯林工程技术有限公司 | Device for preventing dew condensation on surface of filter element and filter system using same |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 511356 Guangdong city of Guangzhou province Luogang District Yonghe Street Garden Road No. 84 Xinzhuang Industrial Park building K Patentee after: EURASIAN (GUANGDONG) FREEZING EQUIPMENT CO.,LTD. Address before: 511356 Guangdong city of Guangzhou province Luogang District Yonghe Street Garden Road No. 84 Xinzhuang Industrial Park building K Patentee before: GUANGZHOU EURASIAN REFRIGERATION EQUIPMENT MANUFACTURING Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140611 Termination date: 20211231 |