JP2002112890A - Small fish cooking pot - Google Patents

Abstract

PROBLEM TO BE SOLVED: To clean heaters to be provided at the sidewall of a groove-shaped hot water channel so as to eliminate residual dirt. SOLUTION: In a consecutive-type small fish cooking pot having the groove- shaped channel 43 and having heaters 40 whose side walls 44 forming the channels are supplied with steam to make hot water flow through the channel from its one side to the other to cook small fish in the state of flowing with the hot water, each of the heaters 40 has both of nearly vertical outer surface parts arranged with a prescribed interval and dividing walls for dividing a space between both of the outer surface parts and each section is formed to be a steam path for heating extending in a horizontal direction having a nearly square cross section. As for each heater, square pipes are arranged adjacently in a vertical direction and welded so as to form nearly vertical plane on both of the outside. The cross section of the steam path is formed to be a vertically long rectangle. Each heater has a steam-jetting hole on at least the outer side face of its lower part to stir the hot water and small fish within the channel with jetted steam.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cooking pot for small fish, which is mainly used in a part of the production process of small crepe fish and the like.

[0002]

2. Description of the Related Art FIG. 3 shows a conventional example of this type. To explain the schematic configuration, the small fish cooker 1 has a cooker main body 2, a side wall 3, a hot water flow path 4, a heater 5 using steam, a hot water distribution pump 6, a sub tank 7, and the like. A foam removing device 8, a take-out conveyor 9 and the like are additionally provided. The inside of the cooking pot main body 2 is sequentially turned up and down from the inlet 11 to the outlet 12 in a meandering manner by providing partitioned flow path side walls 10 so as to protrude inward from both side walls 3 and 3 of the main body 2 alternately. A series of grooved hot water flow paths 4 are formed. The hot water flow path 4 has an inlet 11
A pump 6 for flowing hot water is provided so that a flow of hot water from the side toward the outlet side 12 is formed. That is, a return passage (not shown) that passes outside the main body 2 from the bottom wall 13 near the outlet 11 to the bottom wall 14 near the inlet 12 of the boiler body 2 is piped, and the pump 6 (axial pump ) Is provided.

The heater 5 is provided for maintaining the temperature of the hot water at a desired temperature, and is provided on the flow path side wall 10 forming the groove-shaped hot water flow path 4. As shown in FIG. 5, the pipe 15 has a linear circular cross section.
Are arranged at intervals in the vertical direction, and a connecting portion 16
, And wall plates 17 and 18 similar to the connecting portion 16 are welded on the upper and lower sides thereof, and headers 19 and 20 are provided at both ends, respectively. In the figure, 29 is a welded portion, and 21 is an upper edge of the side wall of the shuttle main body. Header 1
Reference numerals 9 and 20 each have a cylindrical or box shape and are welded so that both ends of the circular pipe communicate with the inside. A steam supply pipe 22 is connected to one of the headers 19 and 20 at both ends, and a discharge pipe (not shown) is connected to the other. Steam from a boiler (not shown) is supplied to the steam supply pipe 22 via a control valve or the like, and a valve 23 whose opening degree can be changed is interposed between the steam supply pipe 22 and the header 19. A steam trap (not shown) is provided in the discharge pipe of the other header 20 so as to discharge condensate.
The heater 5 supplies the heat of the supplied steam to the hot water flowing through the flow path 4 from the outer surface of the pipe to maintain the hot water at a desired temperature. In FIG. 4, reference numeral 24 denotes a pipe having a large number of small holes for spouting live steam, which is disposed at the bottom near the inlet 11 of the flow path 4 because the temperature of the small fish to be treated is still low. It is provided to avoid sinking at the bottom and to supply heat. Reference numeral 30 denotes a pipe provided with a small hole for spouting live steam, which is arranged near the bottom of the outlet 12 and for floating small fishes so that small fish can be conveniently taken out.

[0004] The sub-tank 7 is provided below the small fish cooker 1 and has a pipe 25 having an ejection hole for ejecting raw steam for heating. Heat is supplied from the pipe 25 to supply the heat to the cooker 1.
The hot water to be used is kept at a predetermined temperature. When the hot water in the cooking pot 1 is used and the concentration of foreign substances becomes high and needs to be replaced, the hot water is immediately replaced and the small fish is boiled with new hot water. The work can be continued.
In the figure, reference numeral 26 denotes a pump for pumping hot water from the sub tank 7 into the cooking pot 1, reference numeral 27 denotes an outlet for discharging old hot water in the cooking pot, and reference numeral 28 denotes an overflow port for keeping the liquid level in the cooking pot constant. .

[0005] When small fish is continuously supplied to the inlet 11, the small fish is boiled while the small fish is moved to the outlet 12 together with boiling water to which an appropriate amount of salt has been added. When it reaches, it is taken out by a take-out conveyor 9 constituted by a net conveyor, drained, and sent to the next step.

[0006]

In such a conventional small fish cooker 1, the main body 2, the side wall 3, the heater 5 and the like are usually made of stainless steel because it is necessary to keep the small fish cooker always clean. After a series of operations are completed, they are cleaned. In particular, since the foreign matter contained in the broth of the small fish is attached to the inside of the cooking pot main body 2 together with the salt, it is carefully cleaned. However, in the cleaning, since the heater 5 is provided on the side wall 10 of the groove-shaped flow path 4 as described above, the circular pipe 15 and the connecting portion 1 are not provided.
6 and the wall forming plate 18 form an uneven surface, and the lower surface of the circular pipe 15 and the surface near the upper part of the connecting portion are directly visually observed from the upper opening side of the groove-shaped flow path 4. Can not do it. For this reason, it is often not possible to completely clean dirt to which foreign matter has adhered. If this dirt is left, unexpected electrolytic corrosion will occur because the boiling water contains salt, and it has been found that there is a problem that a hole is formed in the pipe 15 in a short period of time and the entire cooking pot has to be disposed of. Was. An object of the present invention is to make it possible to clean a heater provided on a groove-shaped hot water flow passage side wall without removing dirt.

[0007]

According to the present invention, there is provided a heater having a groove-shaped flow path, a side wall forming the flow path being supplied with steam, and the flow path being provided from one side to the other side. In a continuous small fish cooker in which hot water is circulated and small fish is circulated and boiled together with the hot water, the heater is provided with substantially vertical outer surface portions disposed at a predetermined interval, and the outer surfaces. A plurality of partition walls partition between the surface portions, and each partition is formed as a heating steam passage extending in a horizontal direction with a substantially rectangular cross section (claim 1).

[0008] Since the outer sides of the heater are substantially vertical,
At the time of cleaning after use, the entire area of the outer side surface can be seen from the groove-shaped flow path opening side, so that a stained portion can be easily found, and the stain can be easily removed. Therefore, it is possible to prevent the uncleaned residue from remaining, and it is easy to always keep the dirt clean, whereby the life of the cooking pot can be extended as compared with the conventional one. Also, compared to a conventional circular pipe having a connecting portion interposed therebetween, when the thickness of the side wall is the same, the cross-sectional area of the steam passage can be increased, and the heat radiation area can be increased. The required amount of heat can be released even if the steam pressure is reduced. Therefore, the load on the boiler is reduced, fuel consumption can be reduced, and the life of the boiler can be extended.

In the above means, it is preferable that the heater has a configuration in which rectangular pipes are vertically arranged adjacent to each other and welded to form a substantially vertical plane on both outer sides (claim 2).

[0010] In this configuration, the rectangular pipes are vertically arranged adjacent to each other and welded, so that the welding amount is reduced as compared with the conventional one in which the round pipes are welded through the connecting portion.
The production cost can be reduced. In general, electrolytic corrosion tends to occur easily at a welded portion, and as the number of welded portions decreases, electrolytic corrosion becomes less likely to occur.

In the above means, it is preferable that the cross section of the steam passage is a vertically long rectangle (claim 3). With this configuration, as described above, since the heater can be formed so as to lower the used steam pressure, the steam passage can be formed to be vertically long, whereby the steam in the vertical direction can be formed in forming the side wall having the desired height. By reducing the number of passages, for example, by reducing the number of square pipes, the number of welded portions can be reduced, and the cost can be reduced.

[0012] In the above means, it is preferable that the heater is provided with a steam ejection hole at least on a lower outer surface, and is configured to agitate the hot water and the small fish in the flow path by the ejected steam. ). In this kind of small fish cooker,
Since it is necessary to heat the small fish evenly, it is desired to treat the small fish with appropriate stirring so as not to damage the small fish. In this configuration, the stirring can be performed. The form of agitation is to generate a spiral flow swirling around the center of the flow direction in the cross section of the flow path, or to generate a convective flow that rises near the bottom center and lowers on both sides in the cross section of the flow path. Etc. are appropriate. Any of them can be achieved by appropriately determining the size and direction of the steam ejection hole, the quantity per flow path length, and the like. As described above, the steam emitted from the steam ejection hole not only performs the stirring action but also the heating action of the hot water, so that there is no waste.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to FIGS. 1, 2, 3 and 4. FIG. The entire configuration of the small fish cooker of the present invention is substantially the same as the conventional configuration shown in FIGS. 3 and 4, and the configuration of the heater (or heat exchanger) is mainly different. In this embodiment, the heater 40 will be mainly described, and the same parts will be denoted by the same reference numerals, and the illustration and description of the entire configuration will be omitted. FIG. 1 is a cross-sectional view of a similar portion corresponding to a cross section taken along the line AA of FIG. 3 of the above-described conventional small fish cooker 1, and shows a first embodiment. In the first embodiment, a heater 40 is formed by stacking and welding a stainless steel square pipe 41 having a rectangular cross section as shown in the figure, and attaching a stainless steel wall forming plate 42 to the square pipe 41 at the upper end. Is welded to extend above the side wall 44 of the groove-shaped flow path 43, and the square pipe 41 at the lower end is welded to the bottom of the cooking pot main body 1. In each of the square pipes 41, a square inner hole is a steam passage for heating, and a wall surface welded up and down forms a partition wall. In the figure, reference numeral 45 denotes a welded portion, which is processed into a smooth surface after welding.

A small, for example, about 1.5 to 2.0 mm diameter steam ejection hole 46 penetrating obliquely downward from the inside to the outside is provided on both side surfaces of the lowermost square pipe 41 of the heater 40. A large number of square pipes 41 are formed at appropriate intervals in the longitudinal direction. This is to stir the boiling water together with the small fish for uniform heat treatment of the small fish. In this stirring mode, the hot water is swirled with respect to the center of the flow direction in the flow path 43. There may be other forms of stirring. Therefore, the optimal form of stirring may vary depending on the type, size, etc. of the small fish to be processed. You can decide appropriately.

[0015] The small fish-cooking pot configured as described above has a flow path 4
Since both outer side surfaces of the heater 40 constituting the side wall 44 of the third side are vertical flat surfaces formed by both side walls of the square pipe 41 and the welded portion 45, the groove-shaped flow path 43 opening side Can be visually observed from the entire surface. Therefore, in the cleaning operation after the use of the cooking pot, the cleaning can be performed while directly looking at the contaminated portion to which the foreign matter is attached, so that the residual cleaning of the dirt is less likely to occur. As a result, electric corrosion can be prevented, and shortening of the life of the heater 40 can be avoided. Further, since the square pipes 41 are arranged in an overlapping state, the connecting portion 16 for connecting the conventional round pipe 15 does not need to be provided below the square pipe 41, so that the welding amount is reduced, This makes it difficult for electrolytic corrosion to occur with a small number of welded portions, and it is possible to reduce the manufacturing cost. In addition, in the conventional heater 5,
Since it is difficult to weld round pipes, the connecting portion 16 is necessary to avoid this.

Further, compared with the conventional heater 5, when the thickness of the side wall 44 of the flow path is the same, the cross-sectional area of the steam passage can be increased, and the heat radiation area can be increased. The required amount of heat can be dissipated even if the pressure is reduced. Therefore, the load on the boiler is reduced, fuel consumption can be reduced, and the life of the boiler can be extended.

In the configuration in which the steam ejection holes 46 are provided for stirring, the steam is used for stirring together with the heating because the live steam in the heater 40 is used, and there is no heat loss and the small fish can be evenly distributed. This is very preferable in that it becomes heated.

FIG. 2A shows another embodiment of the present invention.
(B). In FIG. 2A, the heater 40 is different from that of the first embodiment in that the middle one of the three square pipes is replaced by two belt-like plates 47. FIG. 2B shows a material 48 having a U-shaped cross section.
Are welded on top of each other to form a square inner hole 49 similar to the inner hole of the square pipe 41 in the first embodiment. In each case, the outer surface is formed as a smooth and vertical plane. In these embodiments, substantially the same functions and effects as those of the first embodiment can be obtained.

[0019]

According to the first aspect of the present invention, since the entire area of the outer side surface can be seen from the groove-shaped channel opening side, a dirty portion can be easily found, and the dirt can be easily removed. It is easy to keep the road side wall clean at all times, which makes it possible to extend the life of the boiler compared with the conventional one, and to increase the cross-sectional area of the steam passage and the heat radiation area, so that the boiler This has the effect of reducing the load, reducing fuel consumption and extending the boiler life. The invention according to claim 2 reduces the amount of welding, can reduce the manufacturing cost, and reduces the number of welded portions, as compared with the conventional one in which welding is performed between round pipes via a connecting portion. This has the effect that electric erosion hardly occurs. The invention according to claim 3 reduces the number of steam passages in the vertical direction in forming the side wall having a desired height,
For example, it is possible to reduce the number of square pipes, reduce the number of welded portions, and reduce the cost. Claim 4
The invention described in (1) has an effect that the steam emitted from the steam ejection hole not only stirs but also heats the hot water, so that it can be used without waste.

[Brief description of the drawings]

FIG. 1 shows a first embodiment of the present invention, and FIG.
FIG. 3 is an enlarged cross-sectional view corresponding to an A cross section.

FIG. 2 shows another embodiment of the present invention, wherein (a),
(B) is a flow-path side wall cross-sectional enlarged view of each different embodiment.

FIG. 3 is a partial cross-sectional front view showing a schematic configuration of the entire conventional small fish cooking pot.

FIG. 4 is a plan view corresponding to FIG.

FIG. 5 is an enlarged cross-sectional view taken along line AA of FIG. 3;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Boiler 2 Boiler main body 3 Side wall 4 Flow path 5 Heater 6 Distribution pump 7 Subtank 8 Foam removal device 9 Take-out conveyor 11 Inlet 12 Take-out port 15 Round pipe 16 Connecting part 19 Header 20 Header 21 Boiler body top edge 22 Steam supply pipe 23 Valve 25 Subtank 29 Welded part 40 Heater 41 Square pipe 42 Wall configuration plate 43 Flow path 44 Side wall of flow path 45 Welded part 46 Steam ejection hole 47 Strip-shaped plate 48 U-shaped cross-section plate 49 Inner hole

Claims (4)

[Claims] 1. A flow path having a groove-like flow path, a side wall forming the flow path having a heater to which steam is supplied, flowing hot water from one side to the other side of the flow path, and In a continuous small fish cooker that circulates and cooks fish, the heater is:
Substantially vertical outer surface portions arranged at a predetermined interval,
A small fish boiler having a partition wall partitioning a plurality of sections between the outer surface portions, wherein each section is formed as a heating steam passage extending in a horizontal direction with a substantially rectangular cross section. . 2. The small fish cooker according to claim 1, wherein the heater is welded so as to form a substantially vertical plane on both sides by arranging rectangular pipes adjacent to each other in a vertical direction. A small fish-cooking pot. 3. The small fish cooker according to claim 1, wherein the steam passage has a vertically long rectangular cross section. 4. The small fish cooker according to claim 1, 2 or 3, wherein the heater is provided with a steam ejection hole at least on a lower outer surface, and the steam is injected into the flow path by the ejected steam. A small fish-cooking pot configured to stir hot water and small fish.