JP6800598B2 - Steaming device - Google Patents

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JP6800598B2
JP6800598B2 JP2016074199A JP2016074199A JP6800598B2 JP 6800598 B2 JP6800598 B2 JP 6800598B2 JP 2016074199 A JP2016074199 A JP 2016074199A JP 2016074199 A JP2016074199 A JP 2016074199A JP 6800598 B2 JP6800598 B2 JP 6800598B2
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西山　将人
将人 西山
伸基 明尾
伸基 明尾
保次郎 中井
保次郎 中井
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株式会社サムソン
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本発明は、被加熱物を収容した処理槽内に蒸気を導入することによって処理槽内に収容した被加熱物を蒸気で加熱する蒸煮装置に関するものであり、より詳しくは、昇温時には設定しておいた昇温曲線に沿って昇温していくように処理槽内への蒸気供給を調節するが、昇温初期には処理槽内の空気を蒸気に置き換えるために蒸気供給を連続的に行うようにしており、そのために昇温工程初期では処理槽内温度が設定しておいた温度より高くなる蒸煮装置に関するものである。 The present invention relates to a steaming apparatus that heats an object to be heated contained in the processing tank with steam by introducing steam into the processing tank containing the object to be heated, and more specifically, it is set at the time of temperature rise. The steam supply into the treatment tank is adjusted so that the temperature rises along the temperature rise curve, but at the initial stage of temperature rise, the steam supply is continuously supplied to replace the air in the treatment tank with steam. Therefore, it relates to a steaming apparatus in which the temperature inside the treatment tank becomes higher than the set temperature at the initial stage of the temperature raising process.

特公平６−８７８２４号に記載があるように、処理槽内に被加熱物である食品を収容して密閉し、処理槽内に蒸気を導入して処理槽内を高温に維持することで処理槽内の食品を加熱する蒸煮装置が知られている。このような蒸煮装置では、被加熱物を収容して加熱する処理槽、処理槽内への蒸気供給量を調節する蒸気弁、処理槽内の空気や蒸気を排出する排気弁、処理槽内の温度を検出する温度検出装置、蒸煮装置の運転を制御する運転制御装置等を設置しておく。 As described in Tokusho 6-87824, the food to be heated is housed in the treatment tank and sealed, and steam is introduced into the treatment tank to maintain the inside of the treatment tank at a high temperature. A steaming device that heats food in a tank is known. In such a steaming device, a treatment tank that accommodates and heats an object to be heated, a steam valve that adjusts the amount of steam supplied into the treatment tank, an exhaust valve that discharges air or steam in the treatment tank, and a treatment tank. A temperature detection device that detects the temperature, an operation control device that controls the operation of the steaming device, and the like are installed.

蒸煮装置の運転を制御する運転制御装置は、温度検出装置で検出した処理槽内温度に基づいて運転を行う。運転制御装置では、経過時間とその時点での温度を設定し、その温度になるように加熱量を調節するプログラムに基づいて蒸気弁や排気弁の操作などを行うようにしている。蒸煮の工程は、食品を調理温度まで昇温する昇温工程と、昇温後に調理温度で維持する加熱工程がある。運転制御装置では調理温度に向けて昇温していく昇温曲線を設定しておき、昇温曲線に沿って昇温していくように加熱量を調節する。 The operation control device that controls the operation of the steaming device operates based on the temperature in the processing tank detected by the temperature detection device. In the operation control device, the elapsed time and the temperature at that time are set, and the steam valve and the exhaust valve are operated based on a program that adjusts the heating amount so as to reach the temperature. The steaming step includes a heating step of raising the temperature of food to the cooking temperature and a heating step of maintaining the temperature at the cooking temperature after the temperature rise. The operation control device sets a temperature rise curve that raises the temperature toward the cooking temperature, and adjusts the heating amount so that the temperature rises along the temperature rise curve.

また、蒸煮時に処理槽内に空気が残っていると、被加熱物に対する加熱量にむらが発生することになるため、昇温初期には処理槽内の空気を蒸気に置き換える空気置換の工程を行う。空気置換工程では、蒸気弁と排気弁の両方を開いておき、処理槽内への蒸気供給と処理槽内からの排気を同時に行う。蒸気を供給しながら排気を行うと、処理槽内の空気を蒸気が押し出していくため、次第に処理槽内から空気が無くなり、処理槽内は蒸気で満たされることになる。処理槽内を蒸気で満たすことで処理槽内の温度むらをなくし、被加熱物に対して加熱のむらが発生することを防止する。 In addition, if air remains in the treatment tank during steaming, the amount of heating for the object to be heated will be uneven. Therefore, in the initial stage of temperature rise, the air replacement step of replacing the air in the treatment tank with steam is performed. Do. In the air replacement step, both the steam valve and the exhaust valve are opened, and steam is supplied into the treatment tank and exhaust from the treatment tank is performed at the same time. When exhaust is performed while supplying steam, the steam pushes out the air in the treatment tank, so that the air gradually disappears from the treatment tank and the inside of the treatment tank is filled with steam. By filling the inside of the treatment tank with steam, the temperature unevenness in the treatment tank is eliminated, and the uneven heating of the object to be heated is prevented.

空気置換は所定時間が経過するまで行い、その間は蒸気弁と排気弁は開いたままとしているため、空気置換の工程中は蒸気の供給が続くことになる。そのため、この時間帯の処理槽内温度は設定しておいた昇温曲線とは異なる温度となる。図４に記載の例では、空気置換中の槽内温度は設定温度より高いものとなっているため、空気置換の工程を終了すると、実際の温度が設定していた昇温曲線上の温度と等しくなる時までの間は、蒸気弁を閉じて加熱しないようにしている。蒸気供給を停止すると処理槽内の温度は低下することになり、実際温度が設定しておいた昇温曲線上の温度に等しくなると、その後は設定しておいた昇温曲線に沿って昇温するように蒸気弁の作動を制御している。 The air replacement is performed until a predetermined time elapses, during which the steam valve and the exhaust valve remain open, so that the steam supply continues during the air replacement process. Therefore, the temperature inside the treatment tank during this time period is different from the set temperature rise curve. In the example shown in FIG. 4, the temperature inside the tank during air replacement is higher than the set temperature. Therefore, when the air replacement process is completed, the actual temperature becomes the temperature on the set temperature rise curve. Until they are equal, the steam valve is closed to prevent heating. When the steam supply is stopped, the temperature inside the treatment tank drops, and when the actual temperature becomes equal to the temperature on the set temperature rise curve, the temperature rises along the set temperature rise curve thereafter. The operation of the steam valve is controlled so as to do so.

しかしこの場合、空気置換を終了して蒸気弁と排気弁を閉じていると、処理槽内では温度低下が発生し、処理槽内に充満している蒸気が温度低下によって凝縮するということがある。蒸気が液体に戻ると、体積は大幅に小さくなるため、処理槽内の圧力は低下する。この圧力低下によって処理槽内が負圧になると、処理槽は周囲の空気を吸い込むことになり、処理槽内には蒸気の層と空気の層ができることになる。処理槽内に空気だまりができると、空気だまりの部分では、蒸気の熱が伝わりにくいために蒸気とは異なる温度となり、処理槽内で温度むらができることになる。処理槽内で温度むらが発生すると、処理槽内に収容している被加熱物は、収納場所によって加熱量が異なるということになる。被加熱物に対する加熱量のバラツキを招くことになり、加熱不足や過剰な加熱が行われることになると、被加熱物の品質を低下させるという問題があった。 However, in this case, if the air replacement is completed and the steam valve and the exhaust valve are closed, the temperature drops in the treatment tank, and the steam filling the treatment tank may condense due to the temperature drop. .. When the vapor returns to a liquid, the volume is significantly reduced and the pressure in the treatment tank is reduced. When the pressure inside the treatment tank becomes negative due to this pressure drop, the treatment tank sucks in the surrounding air, and a vapor layer and an air layer are formed in the treatment tank. When an air pool is formed in the treatment tank, the heat of the steam is not easily transferred to the air pool, so that the temperature becomes different from that of the steam, and the temperature becomes uneven in the treatment tank. When temperature unevenness occurs in the treatment tank, the amount of heat of the object to be heated contained in the treatment tank differs depending on the storage location. There is a problem that the quality of the object to be heated is deteriorated when the amount of heating for the object to be heated varies, and when insufficient heating or excessive heating is performed.

特公平６−８７８２４号公報Special Fair 6-87824 Gazette

本発明が解決しようとする課題は、処理槽内に収容した被加熱物を蒸気によって加熱する蒸煮装置であって、昇温初期に被加熱物を収容した処理槽内の空気を蒸気に置き換える空気置換工程を行うようにしている蒸煮装置において、空気置換後に処理槽内圧力が低下することで処理槽内へ空気が吸引され、処理槽内に空気の層ができることで処理槽内に温度むらが発生し、被加熱物に対する加熱量のバラツキが発生してしまうことを防止することのできる蒸煮装置を提供することにある。 The problem to be solved by the present invention is a steaming device that heats the object to be heated contained in the processing tank with steam, and replaces the air in the processing tank containing the object to be heated with steam at the initial stage of temperature rise. In a steaming device that performs a replacement step, air is sucked into the treatment tank due to a decrease in the pressure inside the treatment tank after air replacement, and a layer of air is formed in the treatment tank, causing temperature unevenness in the treatment tank. It is an object of the present invention to provide a steaming apparatus capable of preventing the generation and the variation of the heating amount with respect to the object to be heated.

請求項1に記載の発明は、被加熱物を収容する処理槽、処理槽内への蒸気供給を制御する蒸気弁、処理槽内から空気や蒸気を排気する排気弁、処理槽内の温度を検出する槽内温度検出装置、前記の蒸気弁と排気弁の動作を制御する運転制御装置を持ち、
被加熱物を収容した処理槽内に蒸気弁を通じて蒸気を供給することで処理槽内を加熱して被加熱物を蒸煮するようにしている蒸煮装置であって、
前記運転制御装置では、処理槽内を調理温度まで昇温する昇温工程を行う際、経過時間と目標温度を定めることで目標とする昇温曲線を設定しておいて、設定した昇温曲線に沿って温度を上昇させるように蒸気弁の作動を調節している蒸煮装置において、
昇温工程の初期には、設定した昇温曲線から外れても前記蒸気弁と排気弁を連続的に開き、処理槽内への蒸気導入を行う一方で処理槽内の空気を排出することで処理槽内の空気を蒸気に置き換える空気置換の工程を行い、
空気置換工程を終了後、前記槽内温度検出装置にて現在の処理槽内の温度を検出し、検出した空気置換工程終了時点の処理槽内温度から調理温度まで昇温するための昇温曲線を再設定し、その後は設定した昇温曲線に沿って処理槽内の温度を上昇させるように蒸気弁の作動を調節するようにしたことを特徴とする。

The invention according to claim 1 is a treatment tank for accommodating an object to be heated, a steam valve for controlling steam supply into the treatment tank, an exhaust valve for exhausting air or steam from the treatment tank, and a temperature inside the treatment tank. It has an in-tank temperature detector to detect and an operation control device to control the operation of the steam valve and exhaust valve .
It is a steaming device that heats the inside of the processing tank and steams the heated object by supplying steam to the processing tank containing the object to be heated through a steam valve.
In the operation control device, when performing the temperature raising step of raising the temperature in the processing tank to the cooking temperature, the target temperature rise curve is set by setting the elapsed time and the target temperature, and the set temperature rise curve is set. In a steaming device that regulates the operation of the steam valve to raise the temperature along
At the initial stage of the temperature rising process, the steam valve and the exhaust valve are continuously opened even if the temperature rise curve deviates from the set temperature, and steam is introduced into the processing tank while the air in the processing tank is discharged. Perform the air replacement process to replace the air in the processing tank with steam,
After the air replacement step is completed, the temperature inside the treatment tank is detected by the temperature detection device in the tank, and the temperature rise curve for raising the temperature from the temperature inside the treatment tank at the end of the detected air replacement step to the cooking temperature. the reconfigured, then it is characterized in that so as to adjust the operation of the steam valve to increase the temperature in the treatment tank along the heating curve set.

本発明を実施することで、処理槽内の空気置換後に処理槽内が負圧にならず、処理槽が空気を吸引することを防止することができる。空気の吸引を防止することで、処理槽内での空気だまりによる温度むらの発生がなくなり、蒸煮時に加熱量のばらつきによって被加熱物の品質が低下するということを防止することができる。 By carrying out the present invention, it is possible to prevent the inside of the treatment tank from becoming negative pressure after replacing the air in the treatment tank and to prevent the treatment tank from sucking air. By preventing the suction of air, it is possible to prevent the occurrence of temperature unevenness due to the air pool in the treatment tank, and to prevent the quality of the object to be heated from deteriorating due to the variation in the amount of heating during steaming.

本発明を実施している蒸煮装置のフロー図Flow chart of steaming apparatus carrying out this invention 本発明の第１実施例での槽内温度と加熱状況の説明図Explanatory drawing of tank temperature and heating state in 1st Example of this invention 本発明の第２実施例での槽内温度と加熱状況の説明図Explanatory drawing of tank temperature and heating state in 2nd Example of this invention 比較のための従来例での槽内温度と加熱状況の説明図Explanatory drawing of the temperature in the tank and the heating situation in the conventional example for comparison

本発明の一実施例を図面を用いて説明する。図１は本発明を実施している蒸煮装置のフロー図、図２は本発明の第１実施例での槽内温度と加熱状況の説明図、図３は本発明の第２実施例での槽内温度と加熱状況の説明図である。 An embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a flow chart of a steaming apparatus carrying out the present invention, FIG. 2 is an explanatory diagram of a tank temperature and a heating state in the first embodiment of the present invention, and FIG. It is explanatory drawing of the temperature in a tank and a heating state.

蒸煮装置は、横置きとした円筒形であって、一方の端部は扉としている処理槽１内に被加熱物２を収容しておき、処理槽内に蒸気を導入して被加熱物を加熱する。処理槽１の底部には蒸気供給管３を接続しておき、蒸気供給管３の途中に設けた蒸気弁４によって処理槽１への蒸気供給を制御する。処理槽１の上部には排気弁５を設置しており、処理槽１内の空気を蒸気と置き換える場合や、処理槽１内の蒸気を排出する場合には排気弁４を開くことで処理槽内の空気や蒸気を排出する。 The steaming apparatus has a cylindrical shape that is placed horizontally, and the object to be heated 2 is housed in the processing tank 1 whose one end is a door, and steam is introduced into the processing tank to introduce the object to be heated. Heat. A steam supply pipe 3 is connected to the bottom of the processing tank 1, and the steam supply to the processing tank 1 is controlled by a steam valve 4 provided in the middle of the steam supply pipe 3. An exhaust valve 5 is installed above the treatment tank 1. When the air in the treatment tank 1 is replaced with steam or when the steam in the treatment tank 1 is discharged, the treatment tank is opened by opening the exhaust valve 4. Exhaust the air and steam inside.

そして処理槽１内の温度を検出する槽内温度検出装置７を設置しておき、槽内温度検出装置７で検出した槽内温度の値は蒸煮装置の運転を制御する運転制御装置６へ出力するようにしている。運転制御装置６では、槽内温度検出装置７で検出した槽内温度の値と、運転制御装置６に設定している運転プログラムに基づき、処理槽１へ供給する蒸気量を調節するなどによって被加熱物２に対する加熱量を調節する。 Then, a tank temperature detecting device 7 for detecting the temperature in the processing tank 1 is installed, and the value of the tank temperature detected by the tank temperature detecting device 7 is output to the operation control device 6 for controlling the operation of the steaming device. I try to do it. In the operation control device 6, the value of the temperature inside the tank detected by the temperature detection device 7 in the tank and the amount of steam supplied to the processing tank 1 are adjusted based on the operation program set in the operation control device 6 and the like. The amount of heating for the heated object 2 is adjusted.

蒸煮装置での加熱調理は、あらかじめ設定しておいた調理温度まで被加熱物を昇温し、調理温度で一定時間保持することで調理を行うものであり、蒸煮装置での調理工程は、被加熱物２を調理温度まで上昇させる昇温工程と、調理温度に維持する加熱工程からなっている。昇温工程の場合、加熱調理開始からの経過時間と、その時点での処理槽内温度をあらかじめ定めることで昇温曲線を設定するようにしておき、処理槽内温度が設定した温度になるように加熱量調節装置８で蒸気供給量を調節しながら昇温する。 Cooking with a steaming device involves raising the temperature of the object to be heated to a preset cooking temperature and holding it at the cooking temperature for a certain period of time to perform cooking. It consists of a heating step of raising the heated product 2 to the cooking temperature and a heating step of maintaining the cooked material 2 at the cooking temperature. In the case of the temperature raising step, the temperature rise curve is set by predetermining the elapsed time from the start of cooking and the temperature inside the processing tank at that time so that the temperature inside the processing tank becomes the set temperature. The temperature is raised while adjusting the amount of steam supplied by the heating amount adjusting device 8.

また、昇温工程の初期では、処理槽１内の空気を蒸気に置き換える空気置換の工程を行う。蒸煮前の処理槽１内は空気で満たされており、その状態で蒸気を供給すると、処理槽１内に空気溜まりができることになる。空気溜まりの部分では蒸気の熱が伝わりにくく、そのままでは温度むらが発生してしまうため、昇温工程の初期に処理槽内の空気を蒸気で置き換える。空気置換の工程では、蒸気弁４と排気弁５を開き、排気しながら蒸気を供給していくことで空気と蒸気の置き換えを行う。昇温工程中は蒸気を連続的に供給するため、この期間の処理槽内温度は、設定している昇温曲線とは異なる軌跡を描くことになり、空気置換工程終了時点での処理槽内温度は、設定しておいた昇温曲線で想定している温度より高くなる。 Further, in the initial stage of the temperature raising step, an air replacement step of replacing the air in the treatment tank 1 with steam is performed. The inside of the processing tank 1 before steaming is filled with air, and if steam is supplied in that state, an air pool is formed in the processing tank 1. Since the heat of steam is not easily transferred to the air reservoir and temperature unevenness occurs as it is, the air in the treatment tank is replaced with steam at the initial stage of the temperature raising process. In the air replacement step, the steam valve 4 and the exhaust valve 5 are opened, and steam is supplied while exhausting to replace air and steam. Since steam is continuously supplied during the temperature raising process, the temperature inside the processing tank during this period draws a trajectory different from the set temperature rising curve, and the temperature inside the processing tank at the end of the air replacement process The temperature will be higher than the temperature assumed by the set temperature rise curve.

そのため運転制御装置６では、空気置換工程終了時点の処理槽内温度を槽内温度検出装置７によって検出しておき、空気置換工程終了時点の処理槽内温度から調理温度に到達する昇温曲線を再設定する。図２に記載している実施例では、再設定した昇温曲線は、現在の処理槽内温度から調理温度まで昇温し続けるものであり、途中で温度低下はしないように設定しておく。その後は再設定した昇温曲線に沿って昇温が行われるように蒸気弁４の開閉を制御し、処理槽内の温度を上昇させる。処理槽内の温度が調理温度に達すると、昇温工程から加熱工程に移行し、運転制御装置６では処理槽内の温度を調理温度に維持するように蒸気弁４の開閉を制御する。 Therefore, in the operation control device 6, the temperature inside the processing tank at the end of the air replacement process is detected by the temperature detection device 7 in the tank, and a temperature rise curve that reaches the cooking temperature from the temperature inside the processing tank at the end of the air replacement process is set. Reset. In the embodiment shown in FIG. 2, the reset heating curve continues to raise the temperature from the current processing tank temperature to the cooking temperature, and is set so that the temperature does not drop in the middle. After that, the opening and closing of the steam valve 4 is controlled so that the temperature is raised according to the reset curve of the temperature rise, and the temperature in the treatment tank is raised. When the temperature in the processing tank reaches the cooking temperature, the process shifts from the temperature raising step to the heating step, and the operation control device 6 controls the opening and closing of the steam valve 4 so as to maintain the temperature in the processing tank at the cooking temperature.

また、図３に記載している実施例も、運転制御装置６は、空気置換工程終了時点の処理槽内温度を槽内温度検出装置７によって検出して昇温曲線を再設定するものであるが、ここではしばらくの間温度を維持するようにしており、空気置換工程終了時点の処理槽内温度を維持するように蒸気弁４の開閉を制御する。この場合には、当初設定しておいた昇温曲線が空気置換工程終了時点の温度に上昇するまでの間は、処理槽内の温度が低下しない程度に蒸気供給を行って温度を維持しておき、昇温曲線が空気置換工程終了時点の処理槽内温度に等しくなった以降は、設定しておいた昇温曲線に沿って昇温が行われるように蒸気弁４の開閉を制御する。 Further, also in the embodiment shown in FIG. 3, the operation control device 6 detects the temperature in the processing tank at the end of the air replacement step by the temperature detection device 7 in the tank and resets the temperature rise curve. However, here, the temperature is maintained for a while, and the opening and closing of the steam valve 4 is controlled so as to maintain the temperature inside the processing tank at the end of the air replacement step. In this case, until the initially set temperature rise curve rises to the temperature at the end of the air replacement process, steam is supplied to the extent that the temperature inside the treatment tank does not drop, and the temperature is maintained. After the temperature rise curve becomes equal to the temperature in the treatment tank at the end of the air replacement step, the opening and closing of the steam valve 4 is controlled so that the temperature rise is performed according to the set temperature rise curve.

そして処理槽内の温度が調理温度に達すると、昇温工程から加熱工程に移行し、運転制御装置６では処理槽内の温度を調理温度に維持するように蒸気弁４の開閉を制御する。加熱工程で所定時間の間温度を維持しておき、加熱工程が終了すると蒸気弁４は閉じ排気弁５は開くことで処理槽１内の蒸気を排出する。蒸気排出後、処理槽の扉を開いて処理槽ないから被加熱物２を取り出して蒸煮の工程を終了する。 Then, when the temperature in the processing tank reaches the cooking temperature, the process shifts from the temperature raising step to the heating step, and the operation control device 6 controls the opening and closing of the steam valve 4 so as to maintain the temperature in the processing tank at the cooking temperature. The temperature is maintained for a predetermined time in the heating step, and when the heating step is completed, the steam valve 4 is closed and the exhaust valve 5 is opened to discharge the steam in the processing tank 1. After the steam is discharged, the door of the treatment tank is opened and the object to be heated 2 is taken out from the treatment tank, and the steaming process is completed.

図４に記載のように昇温曲線は当初設定したもののみを使っていた場合、置換工程終了時点で処理槽内の温度は昇温曲線の設定温度より高いものであると、昇温曲線の温度が現在の温度より高くなるまでは蒸気供給は行わないことなる。蒸気供給を行わなければ、処理槽からの放熱によって処理槽内の温度は低下し、処理槽内温度が低下する。蒸気の凝縮が起こって処理槽内の圧力が低下すると、処理槽では外部より空気を吸引して処理槽内に空気層ができることになっていた。しかし、上記のように空気置換工程終後に処理槽内の温度を空気置換工程終了時点の処理槽内温度より低下させないことで、空気置換工程終了後に処理槽内で圧力が低下して処理槽内に空気が吸引されることを防止することができる。 As shown in FIG. 4, when only the initially set temperature rise curve is used, the temperature inside the treatment tank at the end of the replacement step is higher than the set temperature of the temperature rise curve. No steam supply will be performed until the temperature rises above the current temperature. If steam is not supplied, the temperature inside the treatment tank will drop due to heat dissipation from the treatment tank, and the temperature inside the treatment tank will drop. When vapor condensation occurs and the pressure inside the treatment tank drops, the treatment tank sucks air from the outside to form an air layer inside the treatment tank. However, as described above, by not lowering the temperature inside the treatment tank after the end of the air replacement step from the temperature inside the treatment tank at the end of the air replacement step, the pressure in the treatment tank drops after the end of the air replacement step and the inside of the treatment tank. It is possible to prevent air from being sucked into the air.

なお、本発明は以上説明した実施例に限定されるものではなく、多くの変形が本発明の技術的思想内で当分野において通常の知識を有する者により可能である。例えば上記実施例では、処理槽の温度を計測する槽内温度検出装置７で槽内温度を検出するようにしているが、処理槽内の圧力を計測する槽内圧力検出装置を設置しておき、運転制御装置６では計測した圧力値から換算によって処理槽内の温度を算出するようにしてもよい。 The present invention is not limited to the examples described above, and many modifications can be made by a person having ordinary knowledge in the art within the technical idea of the present invention. For example, in the above embodiment, the temperature inside the tank 7 that measures the temperature of the treatment tank detects the temperature inside the tank, but a pressure detection device inside the tank that measures the pressure inside the treatment tank is installed. , The operation control device 6 may calculate the temperature in the processing tank by conversion from the measured pressure value.

１ 処理槽
２ 被加熱物
３ 蒸気供給配管
４ 蒸気弁
５ 排気弁
６ 運転制御装置
７ 槽内温度検出装置


1 Treatment tank
2 Heated object
3 Steam supply piping
4 Steam valve
5 Exhaust valve 6 Operation control device
7 In-tank temperature detector

Claims (1)

被加熱物を収容する処理槽、処理槽内への蒸気供給を制御する蒸気弁、処理槽内から空気や蒸気を排気する排気弁、処理槽内の温度を検出する槽内温度検出装置、前記の蒸気弁と排気弁の動作を制御する運転制御装置を持ち、
被加熱物を収容した処理槽内に蒸気弁を通じて蒸気を供給することで処理槽内を加熱して被加熱物を蒸煮するようにしている蒸煮装置であって、
前記運転制御装置では、処理槽内を調理温度まで昇温する昇温工程を行う際、経過時間と目標温度を定めることで目標とする昇温曲線を設定しておいて、設定した昇温曲線に沿って温度を上昇させるように蒸気弁の作動を調節している蒸煮装置において、
昇温工程の初期には、設定した昇温曲線から外れても前記蒸気弁と排気弁を連続的に開き、処理槽内への蒸気導入を行う一方で処理槽内の空気を排出することで処理槽内の空気を蒸気に置き換える空気置換の工程を行い、
空気置換工程を終了後、前記槽内温度検出装置にて現在の処理槽内の温度を検出し、検出した空気置換工程終了時点の処理槽内温度から調理温度まで昇温するための昇温曲線を再設定し、その後は設定した昇温曲線に沿って処理槽内の温度を上昇させるように蒸気弁の作動を調節するようにしたことを特徴とする蒸煮装置。 A treatment tank for accommodating an object to be heated, a steam valve for controlling steam supply into the treatment tank, an exhaust valve for exhausting air or steam from the treatment tank, a temperature detection device in the tank for detecting the temperature inside the treatment tank, the above. Has an operation control device that controls the operation of the steam valve and exhaust valve of
It is a steaming device that heats the inside of the processing tank and steams the heated object by supplying steam to the processing tank containing the object to be heated through a steam valve.
In the operation control device, when performing the temperature raising step of raising the temperature in the processing tank to the cooking temperature, the target temperature rise curve is set by setting the elapsed time and the target temperature, and the set temperature rise curve is set. In a steaming device that regulates the operation of the steam valve to raise the temperature along
At the initial stage of the temperature rising process, the steam valve and the exhaust valve are continuously opened even if the temperature rise curve deviates from the set temperature, and steam is introduced into the processing tank while the air in the processing tank is discharged. Perform the air replacement process to replace the air in the processing tank with steam,
After the air replacement step is completed, the temperature inside the treatment tank is detected by the temperature detection device in the tank, and the temperature rise curve for raising the temperature from the temperature inside the treatment tank at the end of the detected air replacement step to the cooking temperature. the re-setting, then cooking apparatus is characterized in that so as to adjust the operation of the steam valve to increase the temperature in the treatment tank along the heating curve set.
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JPH0677537B2 (en) * 1989-07-26 1994-10-05 山崎製パン株式会社 Steaming method of steamed product in steaming box, temperature control method of steaming box and apparatus therefor
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