JP2955090B2 - Subcooled ice making equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a supercooled ice making device suitable for an ice heat storage device for an air conditioning industry and an ice heat storage system for a district cooling and heating facility, and more particularly, to an improvement in means for canceling the supercooling. .

[0002]

BACKGROUND OF THE INVENTION supercooling type ice system, conventionally, as shown in FIG. 8, a compressor 5c, condenser 5b, the evaporator 5a in the evaporator 5a of the refrigeration system 5 formed by connecting in the refrigerant circuit 5d The water in the ice storage tank 6 is cyclically cooled and returned to the ice storage tank 6 via the supercooled water outlet nozzle 1 as supercooled water. Here, the supercooled water is its instability, starts freezing in supercooled water outlet nozzle 1, gradually ice grows, so leading to closing the outlet nozzle, in order to prevent this, a certain degree of ice Supercooled when grown
Hot water is introduced to the outlet nozzle instead of water to melt the ice grown by the heat, thereby preventing the outlet nozzle from being blocked by freezing.

[0003]

However, in the means for guiding hot water to the outlet nozzle, it is necessary to produce hot water and introduce it into the same pipe as the supercooled water. Some of them are used to melt the ice that has been melted, and there is a possibility that the remaining heat will also melt the ice generated by the collision of the intended supercooling release means with the water surface.

[0004] The present invention has been proposed in view of the above circumstances, and the supercooling is performed by releasing the supercooling to keep the supercooled water outlet nozzle at a temperature at which freezing does not occur with an electric heater or a heating medium. It is an object of the present invention to provide an ice making device.

[0005]

For this purpose, the present invention provides a storage device comprising:
The water in the ice bath is circulated to the freezer to cool it to a supercooled state.
Above the supercooled state of water released by the supercooling releasing means
In supercooling type ice making apparatus for producing sherbet-like ice water serial蓄氷tank, the supercooling release means, and supercooled water outlet nozzles allowed to collision of water the supercooled state on the water surface of the蓄氷tank, the It is attached to the nozzle and freezes it.
A means for solving the problem is constituted by a heating means for keeping the temperature at a level not to be caused .

Further, as a heat source of the pressurized Yutakate stage, and a means of solving the problems by using an electric heater or heating medium.

Further, the water in the ice storage tank is circulated to a refrigerating device.
Cool to the supercooled state and release the supercooled water
In supercooling type ice making apparatus is canceled by the means for producing the sherbet-like ice to the蓄氷tank, shock <br/> the supercooling releasing means, the water of the supercooled state on the water surface of the蓄氷tank a collision allowed to supercooled water outlet nozzle, the outlet portion of the nozzle
Formed downstream of the cooling water can be introduced double pipe structure of the cooling water circuit of the condenser of the refrigeration system in the outer tube side of Rutotomoni its
And a means for solving the problem.

Further, the water in the ice storage tank is circulated to the refrigerating device.
To the supercooled state, and supercool the supercooled water.
In a supercooling type ice making device that releases sherbet-shaped ice water in the ice storage tank by releasing the releasing means , the supercooling releasing means may be configured to remove the supercooled water from the surface of the ice storage tank.
And supercooled water outlet nozzles allowed to collide with, the same nozzle outlet
Outer tube side is a condenser is connected to the inserted cooling coil in closed circuit hot water of the refrigeration system of the formed part Rutotomoni its
And a nozzle tip having a double pipe structure to form the nozzle tip .

Further, the water in the ice storage tank is circulated to
Cool to the cooled state and release the supercooled water
In supercooling type ice making apparatus is canceled by the step to produce a sherbet-like ice to the蓄氷tank, the supercooling release means, supercooled water allowed to collision of water the supercooled state on the water surface of the蓄氷tank an outlet nozzle, the nozzle of the cyclically introduced can double pipe structure refrigerant in the condenser of the refrigeration system in the outer tube side of the made form <br/> the outlet portion of the nozzle Rutotomoni its tip
To solve the problem. A supercooled ice making device.

Further, the water in the ice storage tank is circulated to the refrigerating device.
Cool to the supercooled state and release the supercooled water
In supercooling type ice making apparatus is canceled by the means for producing the sherbet-like ice to the蓄氷tank, shock <br/> the supercooling releasing means, the water of the supercooled state on the water surface of the蓄氷tank a collision allowed to supercooled water outlet nozzle, of the double pipe structure to form a chilled water circuit external tube side is connected to the cooling coils of the other cooling load of the <br/> formed at the outlet portion of the nozzle Rutotomoni its Noz
This is a means for solving the problem.

[0011]

In the above-described supercooling type ice making device of the present invention, the supercooling water outlet nozzle can be maintained at a temperature at which the supercooling water does not start freezing by the heating means attached to the supercooling water outlet nozzle. Prevents icing at the supercooled water outlet nozzle,
Further, the blockage of the supercooled water outlet nozzle due to freezing is prevented. In addition, since an electric heater or a heating medium is used as a heat source of the heating means, it is possible to achieve prevention of icing of the supercooled water outlet nozzle with a simple improvement. Furthermore, the outlet portion of the supercooled water outlet nozzle formed on the nozzle tip of the double pipe structure, on the outer pipe side, the condensation heat or other such frozen equipment
By introducing a heating medium using a cooling load as a heat source, the cost of heating energy can be reduced.
Moreover, the supercooled state of the water in the supercooled state can be released by the supercooled release means having a simple configuration.

[0012]

BRIEF DESCRIPTION OF THE DRAWINGS FIG.
FIG. 1 is a longitudinal sectional view showing an outlet nozzle of the first embodiment, FIGS. 2 and 3 are longitudinal sectional views each showing a modification of the first embodiment shown in FIG. 1 , and FIGS. And FIG. 7 show a second embodiment, a third embodiment, a fourth embodiment and a fourth embodiment of the present invention, respectively.
It is a whole system diagram which shows 5th Example.

[0013] In FIG. 2-7, the same members as Fig respective same reference numerals as FIG. 8 shows a device, firstly Figure 1
Referring to more first embodiment, the outlet opening of the supercooled water outlet nozzle 1a is formed in an annular electric heater 2 as a pressure temperature unit, the supercooled water outlet nozzle 1a of frozen supercooled water is generated It has become as coercive the electrically warmed without the supercooled water 3 starts ice <br/> sintering temperature. By doing so, there is no Rukoto is closed is supercooled water outlet nozzle 1a, it is possible to eject the supercooled water 3 continuously,
By the supercooling release means 4 provided downstream, the supercooling can be released and ice water can be produced . The supercooled water outlet nozzle 1a may have a tapered conical electric heater structure as shown in FIG. 2 or a cylindrical electric heater structure having the same diameter as shown in FIG. it can.

Next, in a second embodiment shown in FIG.
The outlet of the supercooled water outlet nozzle 1a is formed by using the heated cooling water downstream of the cooling water circuit 8 of the condenser 5b of the refrigeration system.
To the outer tube side of the nozzle tip 2b having a double tube structure,
The supercooled water outlet nozzle 1a by the heat is obtained by the so heated.

[0015] In the third embodiment shown in FIG. 5, cold
Cooling coil inserted in the condenser 5b of the freezing device, and supercooling
And it connects the outer tube side of the nozzle <br/> Ruchippu 2b of the double pipe structure forming the outlet portion of the water outlet nozzle 1a forming the hot water for a closed circuit 9, thereby subcooling Mizuide mouth nozzle 1a It is intended to be heated .

[0016] In yet a fourth embodiment shown in FIG. 6, the refrigeration instrumentation
Directing refrigerant in the condenser 5b of location on the outer tube side of the cyclically nozzle tip 2b through the pump 20 in a heating refrigerant circuit 10, thereby that the supercooling Mizuide mouth nozzle 1a was set to be heated It is.

[0017] In yet a fifth embodiment shown in FIG. 7, another
Set cold water circuit 11 for connecting the cooling coils of the cooling load 12, via a pump 21 to the outer tube side Roh <br/> Zuruchippu 2b
In this case, the supercooled water outlet nozzle 1b is heated .

[0018] Thus, the embodiment shown in FIG. 4-7,
As heating means in both nozzles, the outlet portion of the supercooled water outlet nozzle formed on the nozzle tip of the double pipe structure, the outer tube side of the Roh <br/> Zuruchippu 2b, for the manufacture of a supercooled water cooling water of the refrigeration system, hot water heated in the condenser of the refrigeration system, and introducing the condenser in the condensing refrigerant, or other cooling load such as excessive cooling supercooled water each a possibility of freezing The water outlet nozzle is heated to maintain the temperature at which the supercooled water does not start freezing. Thereby, it is possible to prevent the supercooled water outlet nozzle from being blocked by freezing and to continuously jet supercooled water, and to cancel the supercooled by the supercooled release means provided downstream to produce iced water. Can be. Also, waste heat is used as a heat source for heating.
Therefore, the cost of heating energy can be suppressed.

[0019]

As described above, according to the present invention, the following effects can be obtained. ( 1 ) The supercooled state of the supercooled water can be released by the supercooled release means having a simple configuration. ( 2 ) By the heating means attached to the supercooled water outlet nozzle,
The supercooled water outlet nozzle can be maintained at a temperature at which the supercooled water does not start icing, thereby preventing icing of the supercooled water outlet nozzle and further preventing blocking of the supercooled water outlet nozzle due to icing. . ( 3 ) Since an electric heater or a heating medium is used as the heat source of the heating means, it is possible to prevent icing of the supercooled water outlet nozzle by simple improvement. (4) to form an outlet portion of the supercooled water outlet nozzle to the nozzle tip of the double pipe structure, on the outer pipe side, the condensation heat of the refrigeration equipment, or other cooling load warming medium to the heat source By adopting the configuration, the cost of the heating energy can be suppressed.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view showing an outlet nozzle according to a first embodiment of the present invention.

FIG. 2 is a longitudinal sectional view showing a modification of FIG.

FIG. 3 is a longitudinal sectional view showing a modification of FIG. 2;

FIG. 4 is an overall system diagram showing a second embodiment of the present invention.

FIG. 5 is an overall system diagram showing a third embodiment of the present invention.

FIG. 6 is an overall system diagram showing a fourth embodiment of the present invention.

FIG. 7 is an overall system diagram showing a fifth embodiment of the present invention.

FIG. 8 is a system diagram showing a known supercooled ice making system.

[Explanation of symbols]

1,1a supercooled water outlet nozzle 2 heating means 2b double pipe structure nozzle tip 3 supercooled water 4 supercooling releasing means 5 refrigeration system 5a evaporator 5b condenser 5c compressor 5d refrigerant circuit 6蓄氷tank 7 supercooling Water circuit 8 Cooling water circuit 9 Hot water circuit 10 Heating refrigerant circuit 11 Cold water circuit 12 Cooling load 18 Pump 19 Pump 20 Pump 21 Pump

Claims (6)

(57) [Claims] 1. A circulating water蓄氷tank refrigeration system to cool the supercooled state, the water in the supercooled state of this is released by supercooling releasing means sherbet-like ice to the蓄氷tank In the supercooling type ice making device to be manufactured,
However, the supercooled water outlet nozzle for causing the supercooled water to collide with the surface of the ice storage tank, and the nozzle attached to the nozzle
It is composed of a heating means to maintain the Le at a temperature not to cause icing
A supercooled ice maker, characterized in that: As wherein the heat source of the pressurized Yutakate stage, an electric heater or heating medium is characterized by being used, the supercooling type ice making device according to claim 1. 3. The water in the ice storage tank is circulated to the refrigerating device and supercooled.
State, and the supercooled water is
Therefore, in the supercooling type ice making device which releases and produces sherbet-shaped ice water in the ice storage tank, the supercooling releasing means
But above supercooled state and the supercooled water outlet nozzles allowed to collide with the water surface of the蓄氷bath water, of the refrigeration system in the outer tube side of the formation of <br/> Re Rutotomoni it to the outlet portion of the nozzle Nozzle with a double pipe structure that can introduce cooling water downstream of the condenser cooling water circuit
A supercooled ice making device, comprising: 4. The water in the ice storage tank is circulated to a refrigerating device and supercooled.
State, and the supercooled water is
Therefore, in the supercooling type ice making device which releases and produces sherbet-shaped ice water in the ice storage tank, the supercooling releasing means
But the outer tube side of the supercooled state of water and supercooled water outlet nozzles allowed to collide with the water surface of the蓄氷tank, is formed at the outlet portion of the nozzle Rutotomoni its is inserted into the condenser of the refrigeration system It is connected to the cooling coil to form a closed circuit for hot water was
A supercooled ice making device comprising a double-tube nozzle tip . 5. Supercooling by circulating water in an ice storage tank to a refrigerating device.
State, and the supercooled water is
Therefore, in the supercooling type ice making device which releases and produces sherbet-shaped ice water in the ice storage tank, the supercooling releasing means
But the refrigerant in the condenser of the supercooled state of water and supercooled water outlet nozzles allowed to collide with the water surface of the蓄氷tank, is formed at the outlet portion of the nozzle the refrigeration system in the outer tube side of Rutotomoni its in the nozzle tip of the cyclically introduced it can double pipe structure
A supercooled ice making device, comprising: 6. Supercooling by circulating water in an ice storage tank to a refrigerating device.
State, and the supercooled water is
Therefore, in the supercooling type ice making device which releases and produces sherbet-shaped ice water in the ice storage tank, the supercooling releasing means
But the supercooled water outlet nozzles allowed to collision of water the supercooled state on the water surface of the蓄氷tank, the cooling coil of the outer tube side is formed at the outlet portion of the nozzle Rutotomoni its other cooling load < A double-pipe nozzle chip connected to form a chilled water circuit
A supercooled ice making device, comprising: