CN209386453U - The refrigerating plant of cooling supply in ice-reserving - Google Patents
The refrigerating plant of cooling supply in ice-reserving Download PDFInfo
- Publication number
- CN209386453U CN209386453U CN201821640949.8U CN201821640949U CN209386453U CN 209386453 U CN209386453 U CN 209386453U CN 201821640949 U CN201821640949 U CN 201821640949U CN 209386453 U CN209386453 U CN 209386453U
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- Prior art keywords
- node
- ice
- refrigeration host
- switching valve
- host computer
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Abstract
The utility model discloses a kind of refrigerating plants of cooling supply in ice-reserving, including refrigerator group, ice storage unit, heat-exchanger rig, freezing liquid conveyance conduit, refrigerator group includes several first refrigeration host computers and several second refrigeration host computers, it is provided with multiple nodes and switching valve on freezing liquid conveyance conduit, has while making ice the effect of cooling supply.The utility model has the advantages that: it can satisfy the demand of different zones while cooling supply, while making ice high for cold ageing rate highest, system security reliability.
Description
Technical field
The utility model belongs to refrigeration technology field, and in particular to a kind of refrigerating plant of the cooling supply in ice-reserving.
Background technique
Ice-storage system carries out ice-reserving for using in the daytime, if the end of refrigeration system has at this time using trough-electricity at night
Load typically solves Cooling by setting base load.But base can not be arranged for multichannel end independent loop etc.
The case where load, can only use Double-working-condition host cooling supply in ice-reserving.
In the case where making ice operating condition, cooling efficiency is very low, uneconomical, also influences ice-making effect.Meanwhile sub-zero temperature ethylene glycol is molten
Liquid, which is directly entered plate heat exchanger, to freeze the chilled water of heat exchanger plates secondary side, so that equipment damage is caused, refrigeration safety
Property is lower.
Utility model content
The purpose of this utility model is to provide a kind of system of cooling supply in ice-reserving according in place of above-mentioned the deficiencies in the prior art
Device for cooling enables refrigerating plant to carry out efficient ice-reserving and refrigeration simultaneously by will improve to freezing liquid conveyance conduit,
The safety of Double-working-condition is improved simultaneously.
The utility model aim realization is completed by following technical scheme:
A kind of refrigerating plant of the cooling supply in ice-reserving, including the conveying of refrigerator group, ice storage unit, heat-exchanger rig, freezing liquid
Pipeline, the refrigerator group include several first refrigeration host computers and several second refrigeration host computers, on the freezing liquid conveyance conduit
It is provided with multiple nodes and switching valve;
The cold end of first refrigeration host computer connects first node N1, and the hot end of first refrigeration host computer connects the second section
Point N2, the cold end of second refrigeration host computer connect fourth node N4, and the hot end of second refrigeration host computer connects third node
N3;
The both ends of first switching valve are separately connected the second node N2 and the 5th node N5;
The both ends of second switching valve are separately connected the cold end of the first node N1 and the heat-exchanger rig;
The both ends of third switching valve are separately connected the second node N2 and the third node N3;
The both ends of 4th switching valve are separately connected the first node N1 and the fourth node N4;
The both ends of 5th switching valve are separately connected the 5th node N5 and the 6th node N6;
The both ends of 6th switching valve are separately connected the cold end of the 6th the node N6 and the heat-exchanger rig;
The hot end of the ice storage unit connects the 6th node N6, described Section four of the cold end connection of the ice storage unit
Point N4, the 5th node N5 be separately connected the heat-exchanger rig hot end and the third node N3.
First refrigeration host computer and second refrigeration host computer are Double-working-condition refrigeration host computer.
The hot end of each first refrigeration host computer and second refrigeration host computer has been arranged in series freezing liquid circulating pump.
Level pressure dress is provided on the freezing liquid conveyance conduit between the third node N3 and the 5th node N5
It sets.
The ice storage unit includes multiple ice-storage devices, and the ice-storage device is in parallel connection.
The heat-exchanger rig includes multiple heat exchange units, and the heat exchange unit includes a plate heat exchanger, described board-like to change
The primary side of hot device is respectively communicated with the cold and hot end of the heat-exchanger rig, and the secondary side of the plate heat exchanger is separately connected cold
Freeze the cold and hot end of waterpipe.
Freezing liquid in the freezing liquid conveyance conduit is ethylene glycol.
The utility model has the advantages that: it can satisfy the demand of different zones while cooling supply, while making ice for cold ageing rate
Highest, system security reliability are high.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the refrigerating plant of cooling supply in ice-reserving in the utility model embodiment.
Specific embodiment
The feature of the utility model and other correlated characteristics are made further specifically by embodiment below in conjunction with attached drawing
It is bright, in order to the understanding of technical staff of the same trade:
Such as Fig. 1, respectively label is respectively as follows: the first refrigeration host computer 11, the second refrigeration host computer 12, ice-storage device 2, plate-type heat-exchange in figure
Device 3, freezing liquid circulating pump 4, constant pressure arrangement 5, chilled water pump 6, the first switching valve 71, the second switching valve 72, third switching valve 73,
4th switching valve 74, the 5th switching valve 75, first node N1, second node N2, third node N3, fourth node N4, Section five
Point N5, the 6th node N6.
Embodiment: as shown in Figure 1, the present embodiment is specifically related to a kind of refrigerating plant of cooling supply in ice-reserving, by will be right
Freezing liquid conveyance conduit improves, and enables refrigerating plant to carry out efficient ice-reserving and refrigeration simultaneously, while improving duplex
The safety of condition.
As shown in Figure 1, the refrigerating plant of cooling supply in ice-reserving in the present embodiment, including refrigerator group, ice storage unit, change
Thermal, freezing liquid conveyance conduit, refrigerator group include several first refrigeration host computers 11 and several second refrigeration host computers 12, freezing
Multiple nodes and switching valve are provided on liquid conveyance conduit;The cold end of first refrigeration host computer 11 connects first node N1, the first system
The hot end of cold host 11 connects second node N2, and the cold end of the second refrigeration host computer 12 connects fourth node N4, the second refrigeration host computer
12 hot end connects third node N3.The both ends of first switching valve 71 are separately connected second node N2 and the 5th node N5;Second
The both ends of switching valve 72 are separately connected the cold end of first node N1 and heat-exchanger rig;The both ends of third switching valve 73 are separately connected
Two node N2 and third node N3;The both ends of 4th switching valve 74 are separately connected first node N1 and fourth node N4;5th cuts
The both ends for changing valve 75 are separately connected the 5th node N5 and the 6th node N6;The both ends of 6th switching valve 76 are separately connected the 6th node
The cold end of N6 and heat-exchanger rig;The hot end of ice storage unit connects the 6th node N6, and the cold end of ice storage unit connects fourth node N4,
5th node N5 is separately connected hot end and the third node N3 of heat-exchanger rig.Above-mentioned each component passes through freezing liquid conveyance conduit
Connection.
As shown in Figure 1, under the operating condition for needing while freezing with ice-reserving, the first refrigeration host computer 11 can be used in the present embodiment
In executing refrigeration, the second refrigeration host computer 12 is for executing ice-reserving, by above-mentioned freezing liquid conveyance conduit and switching valve, by first
The freezing liquid isolation that refrigeration host computer 11 and the second refrigeration host computer 12 generate, the temperature that the first refrigeration host computer 11 is generated are higher cold
Freeze the hot end that liquid is transported to heat-exchanger rig, the water in chilled water pipeline can be cooled down, avoid temperature too low and freeze, in turn
Safety executes cooling task.The lower freezing liquid of temperature that second refrigeration host computer 12 generates is transported to the hot end of ice storage unit,
Lower temperature can freeze ice storage unit fast cooling, and then efficiently execute ice-reserving task.
As shown in Figure 1, the first refrigeration host computer 11 and the second refrigeration host computer 12 are Double-working-condition refrigeration master in the present embodiment
Machine is able to carry out ice making and refrigeration.Double-working-condition refrigeration host computer enables to refrigerating plant to adapt to single refrigeration, single ice-reserving while making
The operating condition of cold ice-reserving.The hot end of each first refrigeration host computer 11 and the second refrigeration host computer 12 has been arranged in series freezing liquid circulating pump
4.Freezing liquid circulating pump 4 provides the power of flowing for freezing liquid, can adapt to lower temperature.Third node N3 and the 5th node
It is provided with constant pressure arrangement 5 on freezing liquid conveyance conduit between N5, is returned for balancing from ice storage unit and heat-exchanger rig hot end
The Fluid pressure of the freezing liquid returned, guarantees that each refrigeration host computer can recycle suitable freezing liquid.
As shown in Figure 1, ice storage unit includes multiple ice-storage devices 2, ice-storage device 2 is in parallel connection.The cold end of each ice-storage device 2
The freezing liquid for obtaining low temperature is directly connect with fourth node N4, the hot end of each ice-storage device 2 is by being connected to the 6th after valve current limliting
Freezing liquid after using is recycled back to refrigerator group by node N6.Heat-exchanger rig includes multiple heat exchange units, and heat exchange unit includes one
Plate heat exchanger 3, the primary side of plate heat exchanger 3 are respectively communicated with the cold and hot end of heat-exchanger rig, plate heat exchanger it is secondary
Side is separately connected the cold and hot end of chilled water pipeline.The corresponding heat exchange load of heat exchange unit, will be cold by plate heat exchanger
The cooling capacity for freezing liquid is transmitted in the water of chilled water pipeline, and then is freezed to cooling target.It is cold in freezing liquid conveyance conduit
Jelly liquid is ethylene glycol.Coolant liquid in chilled water pipeline is water.Chilled water pump 6 is additionally provided on the chilled water pipe.
As shown in Figure 1, in the present embodiment, for the operating condition normally made ice, by the first switching valve 71, the second switching valve 72,
6th switching valve closes 76, and third switching valve 73, the 4th switching valve 74, the 5th switching valve 75 are opened.At this point, the first refrigeration master
Machine 11 and the second refrigeration host computer 12 are all made of ice-make mode, and the freezing liquid of the first refrigeration host computer 11 passes through the 4th switching valve 74 and the
The cold end convergence of two refrigeration host computers 12 enters the cold end of ice storage unit, and freezing liquid is passed through the 5th switching valve by the hot end of ice storage unit
75 enter the hot end of the first refrigeration host computer 11 and the second refrigeration host computer 12, to complete one cycle.
As shown in Figure 1, for the operating condition for making ice and freezing simultaneously, third switching valve the 73, the 4th is switched in the present embodiment
Valve 74, the 6th switching valve close 76, and the first switching valve 71, the second switching valve 72, the 5th switching valve 75 are opened.At this point, first
Refrigeration host computer 11 uses ice-make mode using refrigeration mode, the second refrigeration host computer 12.The cold end of first refrigeration host computer 11 passes through the
Two switching valves 72 are directly entered the cold end of heat-exchanger rig, the hot end of heat-exchanger rig freezing liquid is back at the 5th node N5 with
The freezing liquid in ice storage unit hot end converges.The freezing liquid of second refrigeration host computer, 12 cold end passes through the 4th switching valve 74 and the first refrigeration
The isolation of host 11 is directly entered ice storage unit, and the freezing liquid for completing ice-reserving is recycled at the 5th node N5 by ice storage unit.Pass through
Freezing liquid distribution is entered the first refrigeration host computer 11 and the second refrigeration host computer 12 by constant pressure arrangement 5.
The present embodiment has the advantages that the demand that can satisfy different zones while cooling supply, while making ice for cold ageing
Rate highest, system security reliability are high.
Claims (7)
1. a kind of refrigerating plant of the cooling supply in ice-reserving, which is characterized in that including refrigerator group, ice storage unit, heat-exchanger rig, cold
Freeze liquid conveyance conduit, the refrigerator group includes several first refrigeration host computers and several second refrigeration host computers, and the freezing liquid is defeated
It send and is provided with multiple nodes and switching valve on pipeline;
The cold end of first refrigeration host computer connects first node N1, and the hot end of first refrigeration host computer connects second node
N2, the cold end of second refrigeration host computer connect fourth node N4, and the hot end of second refrigeration host computer connects third node N3;
The both ends of first switching valve are separately connected the second node N2 and the 5th node N5;
The both ends of second switching valve are separately connected the cold end of the first node N1 and the heat-exchanger rig;
The both ends of third switching valve are separately connected the second node N2 and the third node N3;
The both ends of 4th switching valve are separately connected the first node N1 and the fourth node N4;
The both ends of 5th switching valve are separately connected the 5th node N5 and the 6th node N6;
The both ends of 6th switching valve are separately connected the cold end of the 6th the node N6 and the heat-exchanger rig;
The hot end of the ice storage unit connects the 6th node N6, and the cold end of the ice storage unit connects the fourth node
N4, the 5th node N5 be separately connected the heat-exchanger rig hot end and the third node N3.
2. a kind of refrigerating plant of cooling supply in ice-reserving according to claim 1, which is characterized in that the first refrigeration master
Machine and second refrigeration host computer are Double-working-condition refrigeration host computer.
3. a kind of refrigerating plant of cooling supply in ice-reserving according to claim 1, which is characterized in that each first system
The hot end of cold host and second refrigeration host computer has been arranged in series freezing liquid circulating pump.
4. a kind of refrigerating plant of cooling supply in ice-reserving according to claim 1, which is characterized in that the third node N3
Constant pressure arrangement is provided on the freezing liquid conveyance conduit between the 5th node N5.
5. a kind of refrigerating plant of cooling supply in ice-reserving according to claim 1, which is characterized in that the ice storage unit packet
Multiple ice-storage devices are included, the ice-storage device is in parallel connection.
6. a kind of refrigerating plant of cooling supply in ice-reserving according to claim 1, which is characterized in that the heat-exchanger rig packet
Multiple heat exchange units are included, the heat exchange unit includes a plate heat exchanger, and the primary side of the plate heat exchanger is respectively communicated with institute
The cold and hot end of heat-exchanger rig is stated, the secondary side of the plate heat exchanger is separately connected the cold and hot end of chilled water pipeline.
7. a kind of refrigerating plant of cooling supply in ice-reserving according to claim 1, which is characterized in that the freezing liquid conveying
Freezing liquid in pipeline is ethylene glycol.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821640949.8U CN209386453U (en) | 2018-10-10 | 2018-10-10 | The refrigerating plant of cooling supply in ice-reserving |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821640949.8U CN209386453U (en) | 2018-10-10 | 2018-10-10 | The refrigerating plant of cooling supply in ice-reserving |
Publications (1)
Publication Number | Publication Date |
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CN209386453U true CN209386453U (en) | 2019-09-13 |
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ID=67866674
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CN201821640949.8U Expired - Fee Related CN209386453U (en) | 2018-10-10 | 2018-10-10 | The refrigerating plant of cooling supply in ice-reserving |
Country Status (1)
Country | Link |
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CN (1) | CN209386453U (en) |
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2018
- 2018-10-10 CN CN201821640949.8U patent/CN209386453U/en not_active Expired - Fee Related
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190913 Termination date: 20211010 |
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CF01 | Termination of patent right due to non-payment of annual fee |