CN102042649A - Dynamic ice storage ice-melting system capable of watering at constant low temperature - Google Patents

Dynamic ice storage ice-melting system capable of watering at constant low temperature Download PDF

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Publication number
CN102042649A
CN102042649A CN 201010612032 CN201010612032A CN102042649A CN 102042649 A CN102042649 A CN 102042649A CN 201010612032 CN201010612032 CN 201010612032 CN 201010612032 A CN201010612032 A CN 201010612032A CN 102042649 A CN102042649 A CN 102042649A
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CN
China
Prior art keywords
ice
outlet
communicated
inlet
coil pipe
Prior art date
Application number
CN 201010612032
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Chinese (zh)
Inventor
张红斌
王红胜
Original Assignee
广东迪奥技术工程有限公司
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Application filed by 广东迪奥技术工程有限公司 filed Critical 广东迪奥技术工程有限公司
Priority to CN 201010612032 priority Critical patent/CN102042649A/en
Publication of CN102042649A publication Critical patent/CN102042649A/en

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Abstract

The invention relates to a dynamic ice storage ice-melting system capable of watering at a constant low temperature, belonging to the technical field of an ice storage air-conditioning system. The system comprises an ice storage tank, a sprinkler, a filter unit, an ice-melting water pump, an end coil, a proportioning valve, a control circuit and a temperature sensor, wherein a first connecting tube is arranged between the outlet of the ice-melting water pump and the inlet of the end coil, the temperature sensor is arranged inside the first connecting tube, the inlet of the proportion control valve is communicated with the first connecting tube, and the outlet of the proportioning valve is communicated with a second connecting tube. In the invention, a bypass regulation branch is added in an ice-melting circulation flow path so as to realize separate control for an ice-melting flow and a cooling flow, thereby ensuring low temperature watering and stable operation of the ice storage system, normal operation of the air-conditioning system, and high stability of cooling performance.

Description

A kind of dynamic ice cold-storage ice melting system of constant low temperature water outlet
Technical field
The present invention relates to the ice-chilling air conditioning system technical field, refer in particular to a kind of dynamic ice cold-storage ice melting system of constant low temperature water outlet.
Background technology
Ice-chilling air conditioning system is to utilize the electrical network excrescent electric power of low-load period, and the cold that refrigeration system is produced is stored in the water, and water is made ice; In the high load capacity phase of electricity price costliness, the cold that stores in the ice is discharged to the air-conditioning system cooling, thereby reduce the demand of electrical network high load capacity phase electric power, realize the air-conditioning system of power system " peak load shifting ".Area at power shortage, ice-storage system even can realize " load shift ", the refrigeration duty of time period of power supply shortage is transferred to the time period of supply of electric power abundance, improve the scope of application of air-conditioning system, utilize " the high-grade cold energy " of ice cold-storage simultaneously, by big temperature difference cold air distribution technology, can improve indoor air quality energetically, reduce the size of pipeline and water pump, effectively reduce the pump merit consumption of long-time running, and obtain good economic benefit and social benefit, worldwide developed rapidly.
On the ice-reserving mode, developed into and utilized subcooled water to carry out dynamic ice-storage from traditional ice hockey ice-reserving, coil pipe ice-reserving, because the significantly raising of ice-reserving temperature, ice storage system has had significant improvement on ice-reserving efficient.And in the another one link of ice storage system engineering, the research of ice-melt aspect compares less.Though compare with common air-conditioning, the leaving water temperature of ice-storage system is relatively low, provides convenience for realizing big temperature difference air-supply.
But, how to guarantee the lasting low temperature water outlet of whole deicing processes (particularly ice-melt later stage), how lower leaving water temperature (≤1 ℃) is provided, aspect these two, also have some technical problems to need to solve.In theory, strengthen the flow of ice-melt backwater, the ice-melt backwater is washed away the ice sheet that gathers in the Ice Storage Tank with bigger spray rate, can strengthen the perturbation of heat convection and strengthen the ice-melt effect, thereby obtain lower leaving water temperature.Yet the flow of ice-melt backwater is that the load with user's end is closely-related parameter, if operation flow-rate ratio design discharge increases, it is low that terminal temperature was descended, and brings user's uncomfortable property.
Therefore, if the ice-melt circling water flow rate of Ice Storage Tank is separated with two parameters of discharge of sending of delivering to end, control separately respectively, then can guarantee the terminal cold that send not in the off-design parameter, thereby the ice-melt effect of having improved in the Ice Storage Tank has obtained the low temperature water outlet.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of mode that bypass is regulated branch road of setting up on ice-melt circulation stream, make ice-melt and send cold flow to realize control separately, thus the dynamic ice cold-storage ice melting system of the constant low temperature water outlet of the low temperature water outlet of realization ice storage system and steady running.
In order to solve the problems of the technologies described above, the present invention adopts following technical scheme: a kind of dynamic ice cold-storage ice melting system of constant low temperature water outlet, comprise Ice Storage Tank, be arranged at the spray equipment of Ice Storage Tank internal upper part, filter, ice-melt water pump and terminal coil pipe, the bottom of Ice Storage Tank offers opening, filter is installed in this opening, the opening of Ice Storage Tank is communicated with the inlet of ice-melt water pump, the outlet of ice-melt water pump is communicated with the inlet of terminal coil pipe, the outlet of terminal coil pipe is communicated with the inlet of spray equipment, also comprise ratio adjusting valve, control circuit and temperature detector, ratio adjusting valve and temperature detector are electrically connected with control circuit respectively; Be provided with first connecting pipings between the outlet of described ice-melt water pump and the inlet of terminal coil pipe, the two ends of this first connecting pipings are communicated with the outlet of ice-melt water pump and the inlet of terminal coil pipe respectively, and temperature detector is arranged at the inside of first connecting pipings; Be provided with second connecting pipings between the outlet of described terminal coil pipe and the inlet of spray equipment, the two ends of this second connecting pipings are communicated with the outlet of terminal coil pipe and the inlet of spray equipment respectively, the inlet of described ratio adjusting valve is communicated with first connecting pipings, and the outlet of ratio adjusting valve is communicated with second connecting pipings.
Wherein, described spray equipment comprises main leg, the some branched pipes that are communicated with the main leg and some spray heads, and spray head is installed in branched pipe.
Wherein, described ice-melt water pump is for regulating the variable frequency pump of the flow that draws water.
Wherein, described Ice Storage Tank is the container that stainless steel material is made.
Beneficial effect of the present invention is: the dynamic ice cold-storage ice melting system that the invention provides a kind of constant low temperature water outlet, comprise Ice Storage Tank, be arranged at the spray equipment of Ice Storage Tank internal upper part, filter, ice-melt water pump and terminal coil pipe, the bottom of Ice Storage Tank offers opening, filter is installed in this opening, the opening of Ice Storage Tank is communicated with the inlet of ice-melt water pump, the outlet of ice-melt water pump is communicated with the inlet of terminal coil pipe, the outlet of terminal coil pipe is communicated with the inlet of spray equipment, also comprise ratio adjusting valve, control circuit and temperature detector, ratio adjusting valve and temperature detector are electrically connected with control circuit respectively; Be provided with first connecting pipings between the outlet of described ice-melt water pump and the inlet of terminal coil pipe, the two ends of this first connecting pipings are communicated with the outlet of ice-melt water pump and the inlet of terminal coil pipe respectively, and temperature detector is arranged at the inside of first connecting pipings; Be provided with second connecting pipings between the outlet of terminal coil pipe and the inlet of spray equipment, the two ends of this second connecting pipings are communicated with the outlet of terminal coil pipe and the inlet of spray equipment respectively, the inlet of described ratio adjusting valve is communicated with first connecting pipings, and the outlet of ratio adjusting valve is communicated with second connecting pipings.The dynamic ice cold-storage ice melting system of constant low temperature water outlet of the present invention is set up the mode that bypass is regulated branch road on ice-melt circulation stream, make ice-melt and send cold flow to realize control separately, thereby realize the low temperature water outlet and the steady running of ice storage system, guarantee the normal operation of air-conditioning system, the stability of cooling quality is high.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the structural representation of spray equipment of the present invention.
The specific embodiment
For the ease of those skilled in the art's understanding, the present invention is further illustrated below in conjunction with embodiment and accompanying drawing, and the content that embodiment is mentioned not is a limitation of the invention.
As attached illustrated in figures 1 and 2, a kind of dynamic ice cold-storage ice melting system of constant low temperature water outlet, comprise Ice Storage Tank 1, be arranged at the spray equipment 2 of Ice Storage Tank 1 internal upper part, filter 3, ice-melt water pump 4 and terminal coil pipe 5, the bottom of Ice Storage Tank 1 offers opening, filter 3 is installed in this opening, the opening of Ice Storage Tank 1 is communicated with the inlet of ice-melt water pump 4, the outlet of ice-melt water pump 4 is communicated with the inlet of terminal coil pipe 5, the outlet of terminal coil pipe 5 is communicated with the inlet of spray equipment 2, also comprise ratio adjusting valve 6, control circuit 7 and temperature detector 8, ratio adjusting valve 6 and temperature detector 8 are electrically connected with control circuit 7 respectively; Be provided with first connecting pipings 9 between the inlet of the outlet of described ice-melt water pump 4 and terminal coil pipe 5, the two ends of this first connecting pipings 9 are communicated with the outlet of ice-melt water pump 4 and the inlet of terminal coil pipe 5 respectively, and temperature detector 8 is arranged at the inside of first connecting pipings 9; Be provided with second connecting pipings 10 between the outlet of terminal coil pipe 5 and the inlet of spray equipment 2, the two ends of this second connecting pipings 10 are communicated with the outlet of terminal coil pipe 5 and the inlet of spray equipment 2 respectively, the inlet of described ratio adjusting valve 6 is communicated with first connecting pipings 9, and the outlet of ratio adjusting valve 6 is communicated with second connecting pipings 10.
Put when cold when the dynamic ice cold-storage ice melting system of described constant low temperature water outlet enters ice-melt, ice-melt water pump 4 starts, the cold water of 1 li of Ice Storage Tank is extracted out, and terminad coil pipe 5 carries, by terminal coil pipe 5 with the heat exchange of surrounding environment released cold quantity.Put current after cold and get back to spray equipment 2 in the Ice Storage Tank 1 at last, be sprayed onto on the ice sheet, the ice-out in the Ice Storage Tank 1.On ratio adjusting valve 6 residing branch roads, this moment, control circuit 7 was assigned instruction to ratio adjusting valve 6, gave an initial opening, made ratio adjusting valve 6 be opened to the aperture of setting.
Described filter 3 is used for isolated thick ice pellets and other foreign matter enters water pump, guarantees the operate as normal of water pump.Temperature detector 8 is used to measure the temperature of the water that enters terminal coil pipe 5, and this temperature information fed back to control circuit 7, along with cold carrying out put in ice-melt, control circuit 7 is according to the measurement temperature and the deviation of sending the coolant-temperature gage setting value of temperature detector 8, the aperture of resize ratio control valve 6: if it is bigger than setting value to measure temperature, the aperture of scaling up control valve 6 then, enter the discharge of spray equipment 2 with increasing, accelerate the sprinkling dynamics of spray equipment 2, it is cold to accelerate putting of ice sheet, thereby reduce the water temperature of the water that enters terminal coil pipe 5, and then reduce terminal coil pipe 5 temperature; If it is littler than setting value to measure temperature, then reduce the aperture of ratio adjusting valve 6, to reduce to enter the discharge of spray equipment 2, reduce the sprinkling dynamics of spray equipment 2, it is cold to slow down putting of ice sheet, thereby improves the water temperature of the water that enters terminal coil pipe 5, and then terminal coil pipe 5 temperature that suitably raise.Thereby make effluent temperature constancy in a default low leaving water temperature scope.
The dynamic ice cold-storage ice melting system of constant low temperature water outlet of the present invention is set up the mode that bypass is regulated branch road on ice-melt circulation stream, make ice-melt and send cold flow to realize control separately, thereby realize the low temperature water outlet and the steady running of ice storage system, guarantee the normal operation of air-conditioning system, the stability of cooling quality is high.
What need supplementary notes is: described terminal coil pipe 5 is meant the heat-exchanger rig that the user installs with cold junction, Ice Storage Tank carries the cold water of coming in the coil pipe internal flow, by with the room in air carry out heat exchange and the heat of space air taken away, the temperature maintenance that makes the room is in suitable scope.
The described spray equipment 2 of present embodiment comprises main leg 11, the some branched pipes 12 that are communicated with main leg 11 and some spray heads 13, spray head 13 is installed in branched pipe 12, so that spray head 13 is uniformly distributed in the inner top of Ice Storage Tank 1, evenly be sprayed on the ice face in the Ice Storage Tank 1 to guarantee current.
The described ice-melt water pump 4 of present embodiment is for regulating the variable frequency pump of the flow that draws water, to adapt to the demand that air conditioner load changes.
The described Ice Storage Tank 1 of present embodiment is the container that stainless steel material is made, make Ice Storage Tank 1 have stronger corrosion resistance, resistance to deformation and heat-insulating property, the inside of this Ice Storage Tank 1 does not exist lacing wire, support etc. can shelve the parts of ice sheet, and simple in structure, production cost is lower.
The foregoing description is one of preferable implementation of the present invention, and in addition, the present invention can also realize that any without departing from the inventive concept of the premise conspicuous replacement is all within protection scope of the present invention by alternate manner.

Claims (4)

1. the dynamic ice cold-storage ice melting system of a constant low temperature water outlet, comprise Ice Storage Tank (1), be arranged at the spray equipment (2) of Ice Storage Tank (1) internal upper part, filter (3), ice-melt water pump (4) and terminal coil pipe (5), the bottom of Ice Storage Tank (1) offers opening, filter (3) is installed in this opening, the opening of Ice Storage Tank (1) is communicated with the inlet of ice-melt water pump (4), the outlet of ice-melt water pump (4) is communicated with the inlet of terminal coil pipe (5), the outlet of terminal coil pipe (5) is communicated with the inlet of spray equipment (2), it is characterized in that: also comprise ratio adjusting valve (6), control circuit (7) and temperature detector (8), ratio adjusting valve (6) and temperature detector (8) are electrically connected with control circuit (7) respectively; Be provided with first connecting pipings (9) between the inlet of the outlet of described ice-melt water pump (4) and terminal coil pipe (5), the two ends of this first connecting pipings (9) are communicated with the outlet of ice-melt water pump (4) and the inlet of terminal coil pipe (5) respectively, and temperature detector (8) is arranged at the inside of first connecting pipings (9); Be provided with second connecting pipings (10) between the inlet of the outlet of described terminal coil pipe (5) and spray equipment (2), the two ends of this second connecting pipings (10) are communicated with the outlet of terminal coil pipe (5) and the inlet of spray equipment (2) respectively, the inlet of described ratio adjusting valve (6) is communicated with first connecting pipings (9), and the outlet of ratio adjusting valve (6) is communicated with second connecting pipings (10).
2. the dynamic ice cold-storage ice melting system of a kind of constant low temperature water outlet according to claim 1, it is characterized in that: described spray equipment (2) comprises main leg (11), the some branched pipes (12) that are communicated with main leg (11) and some spray heads (13), and spray head (13) is installed in branched pipe (12).
3. the dynamic ice cold-storage ice melting system of a kind of constant low temperature water outlet according to claim 1 is characterized in that: described ice-melt water pump (4) is for regulating the variable frequency pump of the flow that draws water.
4. the dynamic ice cold-storage ice melting system of a kind of constant low temperature water outlet according to claim 1 is characterized in that: described Ice Storage Tank (1) is the container that stainless steel material is made.
CN 201010612032 2010-12-29 2010-12-29 Dynamic ice storage ice-melting system capable of watering at constant low temperature CN102042649A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017215130A1 (en) * 2016-06-14 2017-12-21 夏振宇 Multi-functional slide type flake ice chilling unit

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4894077A (en) * 1986-01-18 1990-01-16 Coldeco S.A. Method of accumulating and restituting cold and device for implementing such method
CN1818505A (en) * 2006-03-10 2006-08-16 浙江大学 Dynamic ice-making/storing system
CN1840973A (en) * 2005-12-16 2006-10-04 珠海慧生能源技术发展有限公司 Dynamic ice-storage energy saving unit
CN101334203A (en) * 2008-08-04 2008-12-31 龙涛 Method for enhancing cold-storage density of cold storage air conditioner system and cold storage air conditioner system
CN201203221Y (en) * 2008-03-14 2009-03-04 袁东立 Ice storage refrigerating device and ice storage refrigerating system
CN201652646U (en) * 2010-02-08 2010-11-24 重庆远雄制冷成套设备有限公司 Dynamic ice cold storage system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4894077A (en) * 1986-01-18 1990-01-16 Coldeco S.A. Method of accumulating and restituting cold and device for implementing such method
CN1840973A (en) * 2005-12-16 2006-10-04 珠海慧生能源技术发展有限公司 Dynamic ice-storage energy saving unit
CN1818505A (en) * 2006-03-10 2006-08-16 浙江大学 Dynamic ice-making/storing system
CN201203221Y (en) * 2008-03-14 2009-03-04 袁东立 Ice storage refrigerating device and ice storage refrigerating system
CN101334203A (en) * 2008-08-04 2008-12-31 龙涛 Method for enhancing cold-storage density of cold storage air conditioner system and cold storage air conditioner system
CN201652646U (en) * 2010-02-08 2010-11-24 重庆远雄制冷成套设备有限公司 Dynamic ice cold storage system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017215130A1 (en) * 2016-06-14 2017-12-21 夏振宇 Multi-functional slide type flake ice chilling unit

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