JP2001218680A - Steam-type thawing/heating device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a steam-type thawing/heating device capable of thawing and heating frozen food by steam without the intake of moisture in the frozen food, jetting steam evenly to the frozen food, sufficiently, and efficiently transmitting the heat of the jetted steam to the frozen food to accelerate the thawing and heating of the frozen food, and speedily and uniformly performing thawing and heating cooking. SOLUTION: A steam jetting nozzle pipe 5 is arranged above a food tray to be taken into and out of a steam case 3 consisting of a bottom 1 and cover, and a steam guide plate is inclined and provided behind the steam jetting nozzle pipe 5.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

TECHNICAL FIELD The present invention relates mainly to frozen spaghetti, frozen udon,
Thaw frozen ramen and other frozen foods with steam,
The present invention also relates to a steam-type thawing heater for performing heating cooking.

[0002]

2. Description of the Related Art Conventionally, a hot water thawing type thawing machine is often used for thawing frozen foods as described above and performing heating cooking until a final finish can be cooked.

[0003] In the case of the above-mentioned hot water defroster,
Thawing and cooking in boiling water causes moisture to quickly enter the frozen food ingredients, so if the timing is incorrect, it will be overboiled. It becomes sticky and sometimes needs to be put in a colander to drain hot water, especially in restaurants and canteens where large quantities of frozen foods are quickly provided to a large number of customers.

[0004] As described above, there is no need to remove water into frozen food materials, and there is no need to cut off hot water after thawing. In recent years, there has been a strong demand for thawing and heating frozen foods with steam in order to perform thawing and heating in response to such demands.

[0005] Therefore, a particular problem in such a steam-type thawing heater is that steam is spouted evenly to the whole frozen food stored in a food tray that is taken in and out of the thawing heater. Then, in order to efficiently and sufficiently transfer the heat of the ejected steam, it is necessary to make the steam stay around the frozen food as much as possible, and to uniformly and promptly thaw and heat the frozen food.

[0006]

SUMMARY OF THE INVENTION The present invention provides a method of thawing and heating with steam without taking in moisture into the material of the frozen food, and furthermore, squirting the steam over the whole frozen food, Provided is a steam-type thawing heater capable of efficiently and sufficiently transmitting the heat of steam to promote thawing and heating of frozen foods and enabling quick and uniform thawing and cooking.

[0007]

According to the present invention, a steam ejection nozzle pipe is disposed above a food tray to be taken in and out of a steam case including a bottom body and a cover, and a steam guide plate is provided behind the steam ejection nozzle pipe. The steam-type thawing heater of the present invention comprises a steam-type thawing heater in which the front end of a steam jet nozzle pipe for steam is provided inclining upward. Further, the steam-type thawing heater of the present invention comprises arranging the above-mentioned steam jet nozzle pipe in the direction of the food tray.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a steam-type thawing heater according to the present invention will be described below with reference to the drawings. FIG. 1 shows a state in which an outer case 26 of the steam-type thawing heater in one embodiment is removed. 2 is a partially cutaway plan view, FIG. 2 is a side view showing the outer case 26 attached to FIG. 1, FIG. 3 is a partially cutaway plan view of FIG. 2, and FIG. 5 is a side sectional view showing the steam generator 7 provided at the lower part of FIG. 2. FIG.

First, this steam-type thawing heater has a base body 20 having a steam generator 7 shown in FIG.
And a thawing heating unit 21 provided thereon. The thawing heating unit 21 includes a steam case 3 having a bottom body 1 and a cover 2 covering an upper portion of the bottom body 1. The food tray 4 has a handle 16 on the front side, which is put in and out from the front, and a steam jet nozzle pipe 5 disposed above the food tray 4.

Further, the steam guide plate 8 is attached to the lower surface receiving plate 29 of the bottom body 1 so as to be inclined rearward, and the guide plate 17 for guiding the side surface of the food tray 4 is erected on the lower surface receiving plate 29. I have.

In the steam defrosting and heating machine constructed as described above, the food tray 4 is received from the front of the steam case 3 with the frozen food 6 to be thawed and heated in the food tray 4 shown in FIGS. The steam generated in the steam generator 7 shown in FIG. 5 is stored in the steam case 3 along the guide plate 17 erected on the plate 29, and the steam generated by the steam jet nozzle pipe 5 provided above the food tray 4. The frozen food 6 in the food tray 4 is sprayed for a predetermined time from a plurality of nozzles 11 shown in FIG.

The steam ejected from the steam ejection nozzle pipe 5 wraps the frozen food 6 and quickly defrosts and heats the steam. The steam used for defrosting and heating the frozen food 6 is discharged from the steam case 3. 2 is guided to the surface of the steam guide plate 8 shown in FIG. On the other hand, the drain generated from the steam and the water generated by the thawing heating of the frozen food 6 pass over the bottom 1 as shown in FIG. 6 and its side sectional view in the BB direction in FIG. From the opening 9 provided in the rear bottom portion, the steam used for the thawing heating is discharged to the outside as a drain indicated by an arrow D via a pipe 10 connected to the opening 9.

The steam generator 7 for supplying steam to the steam jet nozzle pipe 5 in the above-described embodiment employs a cast aluminum plate heated to a maximum of 160 to 170 ° C. by an electric heater 18 as shown in FIG. Water is spouted from the water spouting pipe 27 into the circular concave body 19 provided, for example, once every 10 seconds, and the spouted water evaporates instantaneously,
From the steam jet nozzle pipe 5, almost continuously heated steam is jetted to the frozen food 6.

The time for which the steam is emitted from the steam generator 7 can be adjusted by the timer 22 of the control box 24 shown in FIG. 4, and is controlled to be opened and closed by the solenoid valve 23 shown in FIG. Will be done.

In the steam case 3, a safety valve 2 is provided.
5 is provided, and when the internal steam has accumulated too much,
The steam escapes upward.

Therefore, in the steam defrosting and heating machine of the present invention, the plan view of FIG. 6 disposed behind the steam jet nozzle pipe 5 and the sectional view of FIG. Each of the steam guide plates 8 is provided to be inclined rearward.

The steam guide plate 8 inclined backward as described above.
Is provided, the steam ejected from the steam ejection nozzle pipe 5 stays in the steam case 3 so as to wrap the frozen food 6 in the food tray 4 and gradually moves backward along the inclined surface of the steam guide plate 8. So that the ejected steam does not immediately escape backward from the periphery of the food tray 4.

According to the results of experiments conducted by the present inventors using an actual machine, the inclination angle in this case is from 15 ° to 45 °.
° may be set appropriately within the range, preferably 30
It has been confirmed that an angle of from 35 ° to 35 ° is optimal.

The steam guide plate 8 is integrally fixed to the lower receiving plate 29 by welding or screwing.
Further, it is detachably mounted on the bottom body 1, can be easily removed at the time of cleaning or maintenance, can be easily washed, repaired, or replaced.
If it is removed from 9, the inside of the bottom body 1 will be in a substantially flat state, so that cleaning is easy and drainage is good.

Further, in the steam-type defrosting and heating machine of the present invention, as shown in FIG. The front end of the steam ejection nozzle pipe 5 disposed above the food tray 4 is inclined upward by α, and the steam ejection nozzle pipe 5 is disposed in the food tray 4 insertion / removal direction. Steam is evenly blown out. The larger the inclination angle α, the more steam can be injected forward, and the wider the thawing range.

By arranging the steam ejection nozzle pipe 5 in this manner, steam is ejected from a plurality of ejection ports 11 arranged at a plurality of locations on the lower surface of the steam ejection nozzle pipe 5,
In particular, steam is spouted uniformly from the near side to the far side of the food tray 4, and the frozen food 6 can be thawed and heated uniformly and quickly. In other words, by inclining the front end of the steam jet nozzle pipe 5 upward, the food on the front side can also be reliably thawed and heated.

In the illustrated embodiment,
Two steam cases 3 each consisting of a bottom body 1 and a cover 2 are arranged side by side, and each frozen food 6 on two food trays is arranged.
At once or alternately, so that the efficiency of the thawing and heating process can be improved. The outer circumference of these two steam cases 3 is covered with an outer case 26. In addition to reducing the escape of heat of steam to the outside to reduce heat energy consumption, it also prevents steam from leaking to the outside, prevents burns, and enhances safety.

[0023]

According to the steam-type thawing heater of the present invention described above, since thawing is performed using steam, moisture is not taken into the material of the frozen food to be cooked, and the thawing is performed in a good condition. Cooking finish.

In particular, in the present invention, the steam ejected to the frozen food stored in the food tray stays so as to wrap the frozen food in the food tray in the steam case by the steam guide plate inclined backward. However, since the steam gradually flows backward, the ejected steam does not immediately escape to the rear, and the heat of the steam can be efficiently transmitted to the entire frozen food.

As a result, the thawing and heating of the frozen food can be promoted, and the thawing and heating can be quickly performed. In particular, it is possible to improve the cooking ability and the finish of cooking in a commercial kitchen such as a restaurant or a cafeteria. it can.

Further, in the present invention, since the steam is spouted evenly to the whole frozen food stored in the food tray, the whole frozen food can be thawed and cooked uniformly and quickly.

[Brief description of the drawings]

FIG. 1 is a partially cutaway plan view of an embodiment of a steam-type thawing heater according to the present invention with an outer case removed.

FIG. 2 is a side view showing a state where an outer case is attached to FIG.

FIG. 3 is a plan view showing a partially broken state of FIG. 1;

FIG. 4 is a front view in the AA direction of FIG. 3;

FIG. 5 is a side sectional view showing a steam generator provided in a lower part of FIG. 2;

FIG. 6 is a plan view showing a steam guide plate provided in the steam case of FIG. 2;

FIG. 7 is a side sectional view taken along the line BB of FIG. 6;

FIG. 8 is an enlarged side view of the steam ejection nozzle pipe of FIG. 2;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Bottom body 2 Cover 3 Steam case 4 Food tray 5 Steam jet nozzle pipe 8 Steam guide plate

 ────────────────────────────────────────────────── ─── Continuing on the front page (72) Inventor Yuichiro Kataoka 500 F, Toyoshina, Toyoshina-cho, Minamiazumi-gun, Nagano Prefecture F-term in Nippon Electric Heating Co., Ltd. BC03 CC04 CC17 CH02 CH14 CH15

Claims (3)

[Claims] 1. A steam-type thawing system in which a steam ejection nozzle pipe is disposed above a food tray that is inserted into and removed from a steam case including a bottom body and a cover, and a steam guide plate is provided at an angle behind the steam ejection nozzle pipe. Heating machine. 2. The steam-type thawing heater according to claim 1, wherein a front end of the steam jet nozzle pipe is provided to be inclined upward. 3. The steam-type thawing heater according to claim 1, wherein the steam ejection nozzle pipe is arranged in a direction in which the food tray is taken in and out.