JPH06237859A - Boiler - Google Patents

Abstract

PURPOSE:To attain energy saving by reducing the volume of heating steam by means of raising temperature of water in the boiler by heating through the heating channel and boiling with heated steam jetting out from the steam jetting channel. CONSTITUTION:The boiler 2 is supported by boiler supports 1 with its upper side open or covered with the lid 6. The boiler 2 is made of stainless steel plate in the shape of vertical cylinder 2' with the bottom 2'' in arc shape. Inside the boiler 2, a heating channel is formed with a heating pipe 3'' standing vertically along the central line c of the boiler 2. The blind-ended radiance tubes 3a are protruding from the heating pipe 3'' radially at several levels. The radiance tubes at the lower two levels are designed to have many holes 4'' for jetting out steam, making them as multi-hole tubes 4'; thus the heating channel 3 and the steam jetting channel 4 are constituted. The radiant tubes 3a and multi-hole tubes 4' have the same length and the circles shaped with their ends form the outer edge 3', with space s in doughnut. shape in width t between said outer edge 3' and the inside surface of the boiler 2.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a kettle for boiling food such as tofu broth.

[0002]

2. Description of the Related Art A conventional caustic soup boiling kettle is a jacket type double cauldron having double walls provided on the outer surface and the bottom bottom surface of the cauldron with a heating interval, and the caustic juice is burned on the inner wall of the cauldron Heat the soup to the extent that it does not exist, and boil it with the steam spouting from the internal vapor spouting perforated tube while raising the temperature of the stored soup to prevent damage to the effective protein in the soup and reduce heating energy. It was a delicious, high-yielding tofu product.

However, it is difficult to eliminate the temperature unevenness in the outer wall jacket in the boiling kettle using the above double kettle, that is, it is difficult to avoid the uneven convection of the filled steam and the filled heat transfer medium (oil, hot water, etc.). There is a problem that the neighborhood is overheated and charring is likely to occur.

[0004]

SUMMARY OF THE INVENTION It is an object of the present invention to provide the advantages of the double-boiled caustic soup boiling pot and to solve the above drawbacks.

[0005]

In order to achieve the above object, the present invention has a heating passage and a steam ejection passage arranged inside a kettle supported on a machine frame, and the outer edges of the heating passage and the steam ejection passage and the inside of the kettle. Boiling kettle having a space between it and the peripheral surface, and having a steam ejection passage at the bottom of the heating passage. A boiling kettle heating passage and steam according to the above invention having a steam ejection passage at the top of the heating passage. Boiler kettle according to the first or second invention described above in which the jet passage communicates with each other. Boiling kettle according to the first or second invention described above in which the heating passage and the steam jet passage are independent from each other. The boiling pot heating passage described in each of the first, second, third, or fourth inventions, which is formed by a pipe, and the steam jetting passage is formed by a steam jetting perforated pipe. A boiling pot heating according to the first, second, third, fourth or fifth invention, respectively. The boiling kettle heating according to the first, second, third or fourth invention, wherein the upright inner and outer cylinders are formed by a tubular jacket whose upper and lower ends are closed, and the steam ejection passage is formed by a steam ejection porous tube. The passage is provided in contact with the outer surface of the kettle instead of inside the kettle, and the steam ejection passages are arranged inside the kettle.
Alternatively, it is constituted by the boiling pot described in each of the fourth inventions.

[0006]

In the present invention, the soup is charged into the kettle 2 and the heating pipe 3 ″ in the kettle 2, the heat radiating pipe 3a, the heating passage 3 by the tubular jacket 5 or the heating passage 3b in contact with the outer surface of the kettle 2 is heated with steam. The soup in the kettle 2 is heated by press-fitting a heating medium such as hot water or hot oil from the upper part and discharging or circulating it from the lower part to the outside of the kettle 2.

Further, the steam spouting passage 4 by the steam spouting perforated pipe 4 '.
Pressured steam is injected into the vessel, and this is ejected from the ejection hole 4 ″ of the perforated pipe 4 ′ into the kettle 2 to boil the soup.

As described above, the soup is cooked by the heating by the heating passage 3 and the boiling by the steam ejected from the steam ejection passage 4.

When the heating passage 3 is inside the kettle 2, the boiled soup that is cooked causes a convection phenomenon in which the central portion of the kettle 2 rises and descends along the inner peripheral surface of the kettle 2, and the heating passage 3b becomes the kettle. The one provided on the outer surface of No. 2 rises along the inner peripheral surface and descends at the central portion.

When the heating passages 3 and 3b and the steam ejection passage 4 are in communication with each other, the heating steam is press-fitted from the start ends of the heating passages 3 and 3b and the drain is discharged from the end of the steam ejection passage 4.

When the heating passages 3 and 3b and the steam ejection passage 4 are independent of each other, a heating medium (hot water, hot oil or heating steam) is press-fitted into the heating passages 3 and 3b to heat the steam ejection passage 4. It is for injecting steam.

A heating medium (heating steam, hot water,
There is no temperature unevenness due to heat medium convection by circulating hot oil).

[0013]

EXAMPLE A kettle 2 whose upper end is opened or whose upper end is closed by a lid 6 is supported by a machine frame 1. The shuttle 2 is provided with an arc-shaped bottom plate 2 ″ at the lower end of an upright cylindrical plate 2 ′ and is formed of a stainless steel plate.

Inside the pot 2, a heating tube 3 "or a tubular jacket 5 sharing a center line c with the pot 2 (FIGS. 6 to 11).
To form the heating path 3 or to provide the heating path 3b in contact with the outer surface of the kettle 2 (FIGS. 15 to 19).

The jacket 5 is composed of upright inner and outer cylinders 5 ', 5 ".
The heating steam is circulated in the space between the upper and lower ends, and the upper and lower ends are closed by the steam jet porous pipes 4 ', 4'. 6 to 8, the perforated pipes 4'and 4'are made to communicate with each other by the connecting pipe 7 in the jacket 5 so that the jacket 5 and the perforated pipes 4'and 4'are independent from each other, and in FIGS. The perforated pipes 4 ', 4'and the jacket 5 are communicated with each other through four communication holes 5a.

As shown in FIG. 1, the heating pipe 3 "is erected upright along a center line c, and several radial blind tip radiating pipes 3a are provided on the heating pipe 3", and a large number of ejection holes 4 "are formed in the lower two stages. It is installed to form a steam ejection porous tube 4 ′, whereby the heating passage 3 and the vapor ejection passage 4 are formed. The heat radiating pipe 3a and the steam jet porous pipe 4'are made the same length, and the outer edge 3'is formed by the circumferential line connecting the tips thereof, and the distance t is provided between the outer edge 3'and the inner peripheral surface of the pot 2. With a donut-shaped space s.

The steam jetting path 4 is provided at the lower part of the heating path 3, but it can also be provided at the upper part of the heating path 3 as shown in FIGS.

The heating tube 3 "is formed in a spiral shape as shown in FIG. 3, and has upper and lower circular horizontal heating tubes 3c as shown in FIG.
3c can be connected and communicated with each other in the shape of a fence by the upright heating pipe 3d, and as shown in FIGS. 12 and 14, the heating pipe 3 ″ and the steam ejection porous pipe 4 ′ can be separated and independent.

Reference numeral 8 in the drawing denotes a heat medium circulation pipe, 9
1 is a circulation pump, 10 is a drain trap used when heated steam is used as a heat medium, 11 is a switching valve, 12 is a cooked soup discharge valve, 13 is a rotary solenoid for opening and closing the same, and FIG.
Inside 14 is a pressure gauge.

[0020]

Since the present invention is constructed as described above, the shuttle 2
The soup that has been added to is heated by the heating path 3 and rises in temperature and is boiled by the heating steam ejected from the steam ejection path 4, so that the amount of heating steam for boiling can be reduced and there is an effect suitable for energy saving. Further, since only heating steam or other heating medium (hot water, hot oil, etc.) passes through the heating passage 3, convection of the heating steam or other heating medium does not occur, and there is no uneven temperature difference due to convection and uniform heating is possible. There is an effect that.
Since the heating passage 3 is inside the kettle 2 and shares the center line c with the kettle 2, and the distance t between the outer edge 3 ′ and the inner peripheral surface of the kettle 2 is provided, the gauze juice is centered by heating. Part of the heating passage 3 which rises and falls along the inner peripheral surface, or rises along the inner peripheral surface and descends at the central portion to cause the convection to rise and fall both inside and outside the heating passage 3 It can be heated from both sides and the thermal efficiency can be improved.

[Brief description of drawings]

FIG. 1 is a vertical sectional front view showing a boiling pot of the present invention.

FIG. 2 is a plan view taken along the line AA of FIG.

FIG. 3 is a vertical sectional front view of a boiling pot provided with a spiral heating path.

FIG. 4 is a vertical sectional front view of a boiling pot equipped with a fence-shaped heating path.

FIG. 5 is a plan view of FIG.

FIG. 6 is a front view of an independent tubular jacket.

FIG. 7 is a plan view of FIG.

FIG. 8 is a cutaway perspective view of a tubular jacket.

FIG. 9 is a front view of a communication tubular jacket.

FIG. 10 is a plan view of FIG.

11 is a partially enlarged vertical sectional view of FIG.

FIG. 12 is a front view of an independent state of a heating path and a steam ejection path.

FIG. 13 is a plan view of FIG.

FIG. 14 is a front view of an independent state of a spiral heating path and a steam ejection path.

FIG. 15 is a vertical cross-sectional front view in which the heating path is in contact with the outer surface of the pot.

16 is a plan view of FIG.

FIG. 17 is a front view of FIG. 15.

FIG. 18 is a vertical sectional front view of the spiral heating path on the outer surface of the pot.

FIG. 19 is a plan view of FIG. 18.

[Explanation of symbols]

 1 Machine frame 2 Kettle c Center line 3 and 3b Heating path 3'Outer edge t interval 3 "Heating tube 3a Radiating tube 4 Steam ejection path 4'Steam ejection porous tube 5 ', 5" Upright inner / outer tube 5 Cylindrical jacket

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[Procedure amendment]

[Submission date] February 23, 1993

[Procedure Amendment 1]

[Document name to be amended] Statement

[Correction target item name] 0020

[Correction method] Change

[Correction content]

[0020]

Since the present invention is constructed as described above, the shuttle 2
The soup that has been added to is heated by the heating path 3 and rises in temperature and is boiled by the heating steam ejected from the steam ejection path 4, so that the amount of heating steam for boiling can be reduced and there is an effect suitable for energy saving. Further, since only heating steam or other heating medium (hot water, hot oil, etc.) passes through the heating passage 3, convection of the heating steam or other heating medium does not occur, and there is no uneven temperature difference due to convection and uniform heating is possible. There is an effect that.
Since the heating path 3 interval t between the inner peripheral surface of the outer edge 3 'and hook 2 In the inside of the kettle 2 is provided, Gojiru is along the elevated inner peripheral surface of the central portion by heating The condensate phenomenon that descends or rises along the inner peripheral surface and descends the central part, and causes the soup that moves up and down both inside and outside of the heating passage 3 to be heated from both inside and outside of the heating passage 3 to improve thermal efficiency. can do.

Claims (8)

[Claims] 1. A heating passage and a steam ejection passage are arranged inside a kettle supported by a machine frame, and an interval is provided between an outer edge of the heating passage and the steam ejection passage and an inner peripheral surface of the kettle, and A boiling pot equipped with a steam jetting path at the bottom of the heating path. 2. The boiling pot according to claim 1, further comprising a steam jetting passage in the upper part of the heating passage. 3. The boiling pot according to claim 1, wherein the heating passage and the steam ejection passage are in communication with each other. 4. The boiling pot according to claim 1, wherein the heating passage and the steam jetting passage are independent of each other. 5. The heating passage is formed by a heating pipe, and the steam ejection passage is formed by a steam ejection porous pipe.
(2) The boiling pot described in (3) or (4), respectively. 6. The boiling pot according to claim 1, wherein the heating path is an upright heating tube provided with a heat radiating tube. 7. The heating passage is formed by a tubular jacket that closes the upper and lower ends of the upright inner and outer cylinders, and the steam ejection passage is formed by a steam ejection porous tube (1) (2) (3) or
Boiling kettle described in (4). 8. The heating passage is provided in contact with the outer surface of the kettle instead of inside the kettle, and the steam ejection passage is arranged inside the kettle.
(1) The boiling pot described in (2), (3) or (4), respectively.