JP2010101563A - Salt water ice manufacturing device and salt water ice manufacturing method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a salt water ice manufacturing device capable of easily and inexpensively manufacturing sherbet-like salt water ice with high cooling capacity by using commercially available crushed ice without requiring a special and expensive facility such as a refrigerator. <P>SOLUTION: The device 9 for manufacturing sherbet-like salt water ice S using crushed ice C and salt water W is composed of a crushed ice supply part 1, a salt water supply part 2, a crusher 3 pulverizing the crushed ice C supplied from the crushed ice supply part 1, and an agitation tank 7 receiving pulverized ice B comprised by pulverizing the crushed ice C by the crusher 3 and the salt water W supplied by the salt water supply part 2 and mixing and agitating them. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a salt water ice manufacturing apparatus and a salt water ice manufacturing method, and in particular, a salt water ice manufacturing apparatus capable of manufacturing a sherbet-like salt water ice having a high cooling capacity simply and at low cost using commercially available crushed ice. And a salt water ice production method.

  2. Description of the Related Art Conventionally, there is a great demand for sorbet-like ice, so-called sherbet ice, in the related industrial field in order to maintain the freshness of fresh foods such as fresh fish and raw vegetables. However, in order to manufacture such sherbet ice, equipment equipped with special equipment such as a refrigerator is required. Since these devices and equipment are expensive, they are not widely used. In particular, establishments with smaller management scales are more difficult to introduce.

  There have been a number of technical proposals for sherbet ice production apparatuses. For example, the technique disclosed in Patent Document 1 described below is intended to reduce drive cost / maintenance cost and improve durability, etc., and precools this using water (seawater) as a raw material, and further a cooling device Is used in an ice making container, and there is no change in using special cooling equipment.

  Further, the technique disclosed in Patent Document 2 is a storage for storing fluid sherbet ice, and in particular, proposes a configuration that can be discharged in a properly mixed state without separating the water component and the ice component. It is. Therefore, it is not a technique for producing sherbet ice, but a technique for maintaining the sherbet state after production.

Japanese Patent Application Laid-Open No. 2004-317067 “Sherbet Manufacturing Apparatus and Manufacturing Method” Japanese Patent Laid-Open No. 2001-214447 “Shrubbed Ice Storage”

  As described above, in order to produce sherbet ice, conventionally, a special device such as a refrigerator and equipment equipped with it have been required, and introduction of equipment and equipment has required high introduction costs. There is a need for an apparatus capable of producing sherbet ice with a high cooling effect at a lower introduction cost. In particular, there is a strong demand for reducing the cost of equipment installation for small businesses, such as small and medium enterprises. Providing a new device that can be easily introduced even by these businesses contributes to industrial revitalization, especially to the promotion of industry in areas where there are many small businesses.

  The object of the present invention is to solve such problems of the prior art, using commercially available ice crushed ice, and without requiring special / expensive equipment such as a freezer, with a simple and low cost, high cooling capacity. A salt water ice production apparatus and a salt water ice production method capable of producing sherbet-like salt water ice are provided.

  As a result of studying the above problems by the present inventor, as a result of using the crushed ice that is already commercially available instead of making ice from water as a raw material, the problem is achieved by a method in which crushed ice is refined stepwise by a crusher and mixed with salt water. It was found that the problem can be solved, and the present invention has been achieved. That is, the invention claimed in the present application, or at least the disclosed invention, as means for solving the above-described problems is as follows.

(1) An apparatus for producing sherbet-like salt water ice using crushed ice and salt water, the apparatus comprising a crushed ice supply unit, a salt water supply unit, and a crusher for pulverizing crushed ice supplied from the crushed ice supply unit And a salt water ice production apparatus comprising finely pulverized ice obtained by finely pulverizing crushed ice by the crusher and salt water supplied from the salt water supply unit, and a stirring tank for mixing and stirring them.
(2) The crusher is provided with one or more crushing mechanisms in which two rotating drums each having a plurality of ice crushing projections provided on the side surface are paired and each side surface is opposed. The apparatus for producing salt water ice according to (1), wherein
(3) The crushing mechanism is provided in two or more stages, and during the crushing process step, the size of the protrusions on the rotating drum and the arrangement thereof are formed so that finer crushing is possible on the subsequent process side. The apparatus for producing salt water ice according to (2), wherein the crushed ice can be pulverized stepwise by such a configuration.
(4) The salt water ice production apparatus according to (2) or (3), wherein each rotary drum constituting the crushing mechanism is independently provided with a drive motor.

(5) The salt water ice manufacturing apparatus according to (4), wherein each of the drive motors includes an inverter, and the rotational drums are individually variable in speed by such a configuration.
(6) The pulverization mechanism includes a pulverization mechanism for coarse pulverization and a pulverization mechanism for fine pulverization provided on the subsequent process side. In the former, the size of protrusions on a pair of rotating drums constituting the pulverization mechanism or The apparatus for producing salt water ice according to any one of (3) to (5), wherein at least one of the arrangements is different.
(7) Any one of (1) to (6) is characterized in that the agitation tank is provided with a circulation means for discharging the contents from the bottom and returning it to the agitation tank from above. The salt water ice production apparatus according to claim 1.
(8) The stirring tank is provided with a shaft provided with stirring blades and a baffle rod provided on an inner wall so as not to contact the stirring blades. (7) The salt water ice manufacturing apparatus in any one of.

(9) The salt water ice according to any one of (1) to (8), wherein the stirring tank is provided below the crusher so as to receive the finely crushed ice discharged and dropped from the crusher. Manufacturing equipment.
(10) The ice breaker supply unit is composed of a screw conveyor with a tank and an inclined screw conveyor, the screw conveyor with a tank is composed of an ice breaker tank that receives ice breaks, and a screw conveyer for carrying out ice breaks attached to the bottom of the ice breaker tank, The inclined ice conveyor according to any one of (1) to (9), wherein the inclined screw conveyor conveys the crushed ice received from the crushed ice carrying screw conveyor to the crusher.
(11) The salt water ice production apparatus according to (10), wherein the ice breaking tank of the screw conveyor with tank includes a vibration mechanism for preventing bridging of ice breaking at the bottom.

(12) The salt water supply unit includes a salt water production tank provided with a stirring mechanism and a salt water conveyance unit that conveys the produced salt water to the stirring tank. (1) to (11) The salt water ice manufacturing apparatus in any one of.
(13) A salt water ice supply unit for discharging the salt water ice mixed in the stirring tank to the outside is provided, and the salt water ice supply unit includes a supply line and a supply pump provided in the supply line, and the supply pump The salt water ice according to any one of (1) to (11), characterized in that a monoflex pump that can smoothly carry out and supply the salt water and finely crushed ice in the salt water ice is used. Manufacturing equipment.
(14) The apparatus for producing salt water ice according to (13), wherein the salt water ice supply unit is provided with a heater for preventing freezing in the supply line.

(15) A method for producing sherbet-like salt water ice using crushed ice and salt water, wherein the crushed ice is paired with two rotating drums each provided with a plurality of ice crushed protrusions on each side. Salt water using two or more stages of pulverizing mechanisms with the surfaces facing each other, first coarsely pulverized, then finely pulverized into finely pulverized ice, and the finely pulverized ice and salt water are mixed and stirred to form sherbet-like salt water ice. Ice manufacturing method.
(16) The rotating drums are independently driven by an inverter in a state where the number of rotations is variable, and thereby the particle size of the crushed ice to be crushed can be adjusted. Salt water ice production method.
(17) In the mixing and stirring of the finely pulverized ice and salt water, the content is discharged from the bottom of the stirring tank in which this is performed and returned from above, while preventing separation of salt water and finely pulverized ice having different specific gravities. The method for producing salt water ice according to (15) or (16), wherein mixing is performed.

  Since the salt water ice production apparatus and the salt water ice production method of the present invention are configured as described above, according to this, a commercially available crushed ice is used, and no special / expensive equipment such as a freezer is required. A sherbet-like salt water ice with a high cooling capacity can be easily and inexpensively manufactured at a low cost.

  According to the salt water ice production apparatus and the salt water ice production method of the present invention, sherbet ice having a high cooling effect can be produced and used at a lower introduction cost. Businesses can reduce the cost of equipment installation. As a result, it can contribute to industrial revitalization, especially industrial promotion in areas with many small-scale companies.

  In addition, according to the salt water ice production apparatus of the present invention having a configuration in which two or more pulverization mechanisms are provided, crushed ice can be pulverized stepwise, and for that purpose, crushed ice can be pulverized efficiently and smoothly. Can do.

  In addition, according to the salt water ice production apparatus of the present invention having a drive motor independently for each rotary drum and further comprising an inverter, the rotary drum can be driven independently, so that the number of revolutions can be freely controlled, Depending on the treatment status, the crushed ice can be pulverized into a finer pulverized ice more efficiently and smoothly.

  Further, according to the salt water ice production apparatus of the present invention configured to provide the circulation means in the agitation tank, it is possible to prevent the salt water having a large specific gravity and the small finely crushed ice from separating vertically into the tank, and a good mixed body The sherbet salt water ice can be supplied and discharged. Moreover, in the salt water ice manufacturing apparatus of the present invention, salt water and finely crushed ice can be efficiently mixed by a configuration in which a shaft with stirring blades and a baffle bar are provided in the stirring tank.

  Moreover, according to the salt water ice manufacturing apparatus of the present invention having the structure including the salt water ice supply unit, the salt water and finely crushed ice in the manufactured sherbet salt water ice can be carried out and supplied while being maintained. Furthermore, in the configuration in which the salt water ice supply unit is equipped with a heater, sherbet-like salt water ice is effectively prevented from freezing during supply, such as icing in the pump, and is carried out and supplied while maintaining a good sherbet shape. Can do.

Hereinafter, the present invention will be described in more detail with reference to the drawings.
FIG. 1 is a conceptual diagram showing the basic configuration of the salt water ice production apparatus of the present invention. As shown in the drawing, this apparatus 9 for producing a sherbet-like salted ice S using crushed ice C and salt water W finely crushed ice C supplied from the crushed ice supply unit 1, salt water supply unit 2, and crushed ice supply unit 2. From the crusher 3 to be crushed, the finely crushed ice B obtained by finely pulverizing the crushed ice C by the crusher 3 and the salt water W supplied by the salt water supply unit 2, and from the stirring tank 7 for mixing and stirring them, mainly Composed.

  With such a configuration, in the salt water ice production device 9 of the present invention, the crushed ice C is prepared in the crushed ice supply unit 1, the salt water W is prepared in the salt water supply unit 2, and the crushed ice C is supplied from the crushed ice supply unit 1 to the crusher 3. In the crusher 3, the crushed ice C is finely pulverized to obtain finely crushed ice B. The finely crushed ice B and the salt water W from the salt water supply unit 2 are supplied to the stirring tank 7, and these are stirred in the stirring tank 7. By mixing, sherbet-like salt water ice S is obtained.

FIG. 2A is a side view of an embodiment of the salt water ice production apparatus of the present invention. Also,
FIG. 2B is a plan view of an embodiment of the salt water ice production apparatus of the present invention. As shown in the figure, the apparatus 90 includes an ice breaker supply unit 10, a salt water supply unit 20, a crusher 30 for finely pulverizing crushed ice supplied from the crushed ice supply unit 20, and crushed ice is pulverized by the crusher 30. It comprises mainly a stirring tank 70 that receives the finely crushed ice and the salt water supplied by the salt water supply unit 20 and mixes and stirs them.

  With such a configuration, in the salt water ice production apparatus 90 of this example, crushed ice is prepared in the crushed ice supply unit 10, salt water is prepared in the salt water supply unit 20, and the crushed ice is supplied from the crushed ice supply unit 10 to the crusher 30. The crushed ice is finely crushed in the crusher 30 to obtain finely crushed ice. Finely crushed ice and salt water from the salt water supply unit 20 are supplied to the agitation tank 70, and these are agitated and mixed in the agitation tank 70 to form a sherbet. Of salt water ice.

FIG. 3A is a side view showing a configuration of a crusher according to an embodiment of the salt water ice manufacturing apparatus of the present invention, and FIG. 3B is a plan view thereof. Also,
FIG. 4A is a plan view of a crushing mechanism (first stage) constituting the crusher according to the embodiment,
4B is a side view from the axial direction of the crushing mechanism of FIG. 4A. Also,
FIG. 5A is a plan view of a crushing mechanism (second stage) constituting the crusher according to the embodiment;
FIG. 5B is a side view from the axial direction of the crushing mechanism of FIG. 5A.

  2A and 2B illustrating the embodiment of the present invention, as shown in these drawings, the crusher 30 according to the salt water ice manufacturing apparatus 90 has a plurality of ice pulverization protrusions 315, 315,. A pair of rotating drums 311 and 312 provided with a pair, and the side surfaces of the rotating drums 311 and 312 are arranged to face each other, and a plurality of ice breakers on the side surface. A second stage crushing in which two rotating drums 321 and 322 provided with crushing projections 325, 325,... Are paired and the side surfaces of the respective rotating drums 321 and 322 are arranged to face each other. The mechanism 32 is provided.

  As described above, the crushing mechanism of the embodiment has a configuration in which two stages 31 and 32 are provided. However, in the present invention, both the case where the crushing mechanism is provided in only one stage and the case where three or more stages are provided are excluded. It is not a thing. However, as will be described later, in order to efficiently crushed ice into finely crushed ice, it is desirable that the crushed ice is processed through the steps of coarse pulverization and fine pulverization. This is sufficiently realizable.

  In the embodiment apparatus shown in each figure, the rotating drum 321 is configured so that the crushed ice can be pulverized more finely in the crushing mechanism 32 including the rotating drums 321 and 322 than in the crushing mechanism 31 including the rotating drums 311 and 312. A projection 325 on the same surface is formed (see FIGS. 4B and 5B in particular). That is, in the crushing mechanism 31, the protrusions 315, 315,... On the rotating drum 311 and the protrusions 315, 315,. The latter is wider. The gap between the rotating drums 311 to 312 having such a structure is a structure that is easier to accept and process crushed ice of a larger size than the gap between the rotating drums 321 to 322 of the second-stage crushing mechanism 32.

  On the other hand, in the second stage crushing mechanism 32, the protrusions 325, 325,... On the rotating drums 321 and 322 constituting the same are formed with the same size and arrangement interval. The gap between the rotating drums 321 to 322 having such a structure is a structure that accepts crushed ice having a smaller size than the gap between the rotating drums 311 to 312 of the first-stage crushing mechanism 31 and facilitates the fine crushing process. . That is, coarse pulverization is performed in the pulverization mechanism 31 and fine pulverization is performed in the pulverization mechanism 32 on the subsequent process side, so that the crushed ice can be finely pulverized stepwise and efficiently.

  Regardless of the embodiment shown in the figure, the protrusions related to the crushing mechanism in the salt water ice production apparatus of the present invention are arranged for each rotating drum in order to realize a stepwise process of coarse crushing and fine crushing. It is not excluded that at least one of the size or the arrangement interval thereof is different, or that the size or arrangement interval is different in one rotating drum.

  As shown in FIG. 3A and the like, in the salt water ice manufacturing apparatus 90 according to the present embodiment, each of the rotating drums 311, 312, 321, 322 constituting the crushing mechanisms 31, 32 has a drive motor 411, 412, 421, 422 independently. It is a configuration provided. With such a configuration, each of the rotating drums 311 and the like can be independently driven. By rotating and stopping each of the rotating drums 311 and the like individually according to processing conditions, the crushed ice can be finely crushed into ice. It can be performed more efficiently and smoothly.

  Regardless of the embodiment shown in the figure, a driving motor is not provided for each rotating drum, but a driving motor is driven for each crushing mechanism, and all crushing mechanisms provided in two or more stages are driven by one. A system driven by a motor may be used. Moreover, it is good also as a structure which makes the opposing rotating drum which comprises a grinding | pulverization mechanism interlock | cooperate as what formed each gear mesh | engaged and formed the gear.

  In the salt water ice manufacturing apparatus 90 in which each drive motor 411, 412, 421, and 422 is provided for each rotary drum 311 and the like, each drive motor 411 and the like are configured to include an inverter. With such a configuration, the rotational drums 311 and the like can be individually varied in rotational speed.

  That is, in this example apparatus 90, not only can each rotary drum 311 etc. be driven independently, but also the number of revolutions can be freely controlled for each rotary drum 311 etc. By controlling the rotation / stop / rotational speed change of the rotary drums 311 and the like in the crushing mechanisms 31 and 32, the crushed ice can be pulverized into finer crushed ice more efficiently and smoothly. Regardless of the embodiment, it is not excluded from the present invention that the inverter is not particularly provided.

The photos according to this example are as follows.
FIG. 6 is a photograph showing the configuration of the crushing mechanism (upper and lower stages) of this example.
6-2 is a photograph showing the main part of the rotating drum of the upper crushing mechanism (first stage) of FIG.
6-3 is a photograph showing the main part of the rotating drum of the lower crushing mechanism (second stage) in FIG. 6.

  As shown in FIG. 2B, the salt water ice production apparatus of the present embodiment is configured such that the stirring tank 70 is provided with a circulating means 60 that discharges the contents from the bottom and returns the contents into the stirring tank 70 from above. With such a configuration, it is possible to prevent the salt water having a large specific gravity and the small pulverized ice from separating vertically in the stirring tank 70, and supplying and discharging the sherbet-like salt water ice having a good mixed form. it can.

Of course, a configuration in which such a circulating means 60 is not provided is also within the scope of the present invention, but it is highly desirable to provide the circulating means 60 in order to supply good sherbet-like salt water ice.
FIG. 7 is a photograph showing the processing by the circulation means in the stirring tank of the salt water ice production apparatus of this example. It shows a state in which salt water of high specific gravity that tends to accumulate near the bottom of the stirring tank 70 is sucked out by the circulating means 60 and returned from above the stirring tank 70.

FIG. 8A is a cross-sectional view of the stirring tank of the salt water ice production apparatus of this example,
8B is a plan view of the stirring tank according to FIG. 8B, and
FIG. 9 is a photograph showing the internal structure of the stirring tank 70 of the salt water ice production apparatus 90 of the present embodiment. As shown in the figure, the stirring tank 70 of the apparatus 90 of this example has an inner wall so that the shaft 72 provided with the stirring blades 71, 71,... And the stirring blades 71, 71,. Are provided with baffle rods 73, 73,. With this configuration, the salt water ice manufacturing apparatus 90 can efficiently mix salt water and finely crushed ice.

  As shown in FIG. 2A and the like, in the salt water ice manufacturing apparatus 90 of this embodiment, the stirring tank 70 is provided immediately below the crusher 30. With such a configuration, the finely crushed ice that is discharged from the crusher 30 and falls is stirred. It is immediately received by the tank 70 and stirred with salt water.

  Regardless of the embodiment shown in the figure, the stirring tank may be provided at an angle below the crusher, but at an arbitrary angle, but the installation area of the apparatus is minimized and the processing is facilitated. A configuration in which the stirring tank is installed directly below the crusher is desirable.

  As shown in FIG. 2A and the like, in the salt water ice manufacturing apparatus 70 of the present embodiment, the crushed ice supply unit 10 is composed of a screw conveyor 11 with a tank and an inclined screw conveyor 16. The screw conveyor 11 with a tank is composed of an ice breaking tank 112 that receives the crushed ice and an ice conveying screw conveyor 113 attached to the bottom of the ice breaking tank 112, and the inclined screw conveyor 16 receives the crushed ice received from the ice conveying screw conveyor 113. It is configured to transport to the crusher 30.

  With such a configuration, the crushed ice is first received by the crushed ice tank 112 of the screw conveyor 11 with the tank, temporarily stored as necessary, and then discharged to the inclined screw conveyor 16 by the crushed ice carrying screw conveyor 113. . The crushed ice is transported to the crusher 30 by the inclined screw conveyor 16 and is subjected to the processing by the crusher 30 described above. In addition, the crushed ice supply part of this invention apparatus is good also as a structure different from the Example shown in figure.

Although not particularly illustrated, the bottom portion of the ice breaking tank 112 of the screw conveyor 11 with a tank may be provided with a vibration mechanism for preventing bridging of ice breaking.

  As shown in FIG. 2B, the salt water supply unit 20 of the salt water ice manufacturing apparatus 90 of this embodiment includes a salt water manufacturing tank 21 provided with a stirring mechanism and a salt water transport unit 25 that transports the manufactured salt water to the stirring tank 70. Composed.

  Further, as shown in FIG. 2B, the salt water ice production apparatus 90 of this embodiment is configured to include a salt water ice supply unit 80 that discharges the salt water ice mixed in the stirring tank 70 to the outside. Although the salt water ice supply part 80 consists of the supply line 81 and the supply pump 85 provided in this, as the supply pump 85, a monoflex pump can be used suitably.

Monoflex pump rubber impellers are highly elastic and flexible, so sherbet-like salt water ice, which is a fluid with a certain degree of particle size but a certain size, is clogged in the pump. Can be effectively prevented. Therefore, according to the monoflex pump, it is possible to smoothly carry out and supply this while maintaining the mixing ratio of the salt water and finely crushed ice in the salt water ice.

In the case of the device of the present invention provided with the salt water ice supply unit, such a configuration is used to discharge and supply the salt water ice produced in a good state by the crusher and the stirring tank while maintaining a good sherbet state. It is extremely desirable.

  Further, the salt water ice supply unit 80 may be provided with a heater (not shown) for preventing freezing in the supply line 81. This is to maintain the sherbet state of salt water ice and supply it.

  According to the salt water ice production apparatus and the salt water ice production method of the present invention, the sherbet-like salt water ice can be easily and inexpensively obtained using commercially available ice crushed without requiring special and expensive equipment such as a refrigerator. Since it can be manufactured at low cost, the equipment introduction cost can be suppressed. Therefore, the invention has high utility value especially in the fields of agriculture, forestry and fisheries, agriculture, forestry and fisheries processing, and other food-related work.

It is a conceptual diagram which shows the basic composition of this invention salt water ice manufacturing apparatus. It is a side view of the Example of this invention salt water ice manufacturing apparatus. It is a top view of the Example of this invention salt water ice manufacturing apparatus. It is a side view which shows the structure of the crusher which concerns on this invention salt water ice manufacturing apparatus Example. It is a top view which shows the structure of the crusher which concerns on this invention salt water ice manufacturing apparatus Example. It is a top view of the crushing mechanism (the 1st step) which constitutes the crusher concerning an example. It is a side view from the axial direction of the crushing mechanism of FIG. 4A. It is a top view of the crushing mechanism (second stage) which constitutes the crusher concerning an example. It is a side view from the axial direction of the crushing mechanism of FIG. 5A. It is a photograph which shows the structure of the grinding | pulverization mechanism (upper and lower two stages) of a present Example. It is a photograph which shows the principal part of the rotating drum of the upper stage crushing mechanism (first stage) of FIG. It is a photograph which shows the principal part of the rotating drum of the lower stage crushing mechanism (2nd stage) of FIG. It is a photograph which shows the process by the circulation means in the stirring tank of a salt-water ice manufacturing apparatus of a present Example. It is sectional drawing of the stirring tank of a salt-water ice manufacturing apparatus of a present Example. It is a top view of the stirring tank which concerns on FIG. 8A. It is a photograph which shows the internal structure of the stirring tank 70 of the salt water ice manufacturing apparatus 90 of a present Example.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Crushed ice supply part 2 ... Salt water supply part 3 ... Crusher 7 ... Agitation tank 9 ... Salt water ice production apparatus B ... Finely ground ice C ... Crushed ice S ... Sherbet-like salt water ice W ... Salt water

DESCRIPTION OF SYMBOLS 10 ... Ice-breaking supply part 11 ... Screw conveyor with a tank 112 ... Ice-breaking tank 113 ... Screw conveyer for ice-breaking ice 16 ... Inclined screw conveyor 20 ... Salt water supply part 21 ... Salt water production tank 25 ... Salt water conveyance part 30 ... Crusher 31, 32 ... Grinding Mechanism 311, 312, 321, 322 ... Rotating drum 315, 325 ... Projection 411, 412, 421, 422 ... Drive motor

DESCRIPTION OF SYMBOLS 60 ... Circulation means 70 ... Agitation tank 71 ... Agitation blade 72 ... Shaft 73 ... Baffle stick 80 ... Salt water ice supply part 81 ... Supply line 85 ... Supply pump 90 ... Salt water ice production apparatus

Claims (17)

An apparatus for producing sherbet-like salt water ice using crushed ice and salt water, the apparatus comprising a crushed ice supply unit, a salt water supply unit, a crusher for finely pulverizing crushed ice supplied from the crushed ice supply unit, and An apparatus for producing salt water ice, comprising: a pulverized ice obtained by pulverizing crushed ice by the crusher; and a stirring tank for receiving and mixing and stirring the salt water supplied from the salt water supply unit. The crusher is provided with one or more crushing mechanisms in which two rotating drums each having a plurality of ice crushing projections provided on the side surface are paired and each side surface is opposed to each other. The apparatus for producing salt water ice according to claim 1, wherein: The crushing mechanism is provided in two or more stages, and during the crushing process, the size of the projections on the rotating drum and the arrangement thereof are formed so that fine crushing can be performed on the subsequent process side. The apparatus for producing salt water ice according to claim 2, wherein the crushed ice can be pulverized stepwise. The apparatus for producing salt water ice according to claim 2 or 3, wherein each rotary drum constituting the crushing mechanism is independently provided with a drive motor. 5. The apparatus for producing salt water ice according to claim 4, wherein each of the drive motors includes an inverter, and the rotational drums are individually variable in speed by such a configuration. The pulverization mechanism includes a pulverization mechanism for coarse pulverization and a pulverization mechanism for fine pulverization provided on the subsequent process side. In the former case, the size of the projections on the pair of rotating drums constituting the pulverization mechanism or the arrangement thereof are arranged. The apparatus for producing salt water ice according to any one of claims 3 to 5, wherein at least one of them is formed to be different. The salt water according to any one of claims 1 to 6, wherein the agitation tank is provided with a circulating means for discharging the contents from the bottom and returning the contents into the agitation tank from above. Ice making equipment. The said stirring tank is equipped with the shaft provided with the stirring blade, and the baffle rod provided in the inner wall so that this stirring blade may not contact, The any one of Claim 1 thru | or 7 characterized by the above-mentioned. The salt water ice production apparatus according to claim 1. 9. The apparatus for producing salt water ice according to claim 1, wherein the stirring tank is provided below the crusher so as to receive the finely crushed ice discharged from the crusher and falling. The ice breaker supply unit includes a screw conveyor with a tank and an inclined screw conveyor. The screw conveyor with the tank includes an ice breaker tank that receives ice breaks and an ice breaker screw conveyor attached to the bottom of the ice breaker tank. The apparatus for producing salt water ice according to any one of claims 1 to 9, wherein the conveyor conveys crushed ice received from the crushed ice carrying screw conveyor to the crusher. The apparatus for producing salt water ice according to claim 10, wherein the ice breaking tank of the screw conveyor with a tank is provided with a vibration mechanism for preventing bridging of ice breaking at the bottom thereof. The said salt water supply part consists of a salt water production tank provided with the stirring mechanism, and a salt water conveyance part which conveys the produced salt water to the said stirring tank, The one of Claim 1 thru | or 11 characterized by the above-mentioned. Salt water ice production equipment. A salt water ice supply unit that discharges the salt water ice mixed in the stirring tank to the outside is provided, and the salt water ice supply unit includes a supply line and a supply pump provided in the supply line. The apparatus for producing salt water ice according to any one of claims 1 to 11, wherein a monoflex pump capable of smoothly carrying out and supplying the mixture while maintaining a mixing ratio of salt water and finely crushed ice in ice. 14. The apparatus for producing salt water ice according to claim 13, wherein the salt water ice supply unit is provided with a heater for preventing freezing in the supply line. A method for producing sorbet-like salt water ice using crushed ice and salt water. The crushed ice is paired with two rotating drums provided with a plurality of crushed ice crushing projections on the side surface, and the side surfaces face each other. Using two or more stages of the pulverization mechanism arranged in the above, first coarsely pulverized, then finely pulverized into finely pulverized ice, and the finely pulverized ice and salt water are mixed and stirred to obtain a sherbet-like salt water ice, . The salt water ice production according to claim 15, wherein each of the rotating drums is independently driven by an inverter in a state where the number of rotations is variable, and thereby the particle size of the crushed ice to be crushed can be adjusted. Method. In the mixing and stirring of the finely pulverized ice and salt water, the contents are discharged from the bottom of the stirring tank in which this is performed and returned from above, and mixed while preventing separation of salt water and finely pulverized ice having different specific gravities. The method for producing salt water ice according to claim 15 or 16, wherein: