JPH02261342A - Fluid continuous thermal sterilizer - Google Patents

Abstract

PURPOSE:To treat many kinds of fluids without waste by providing a device for calculating a discharging time of residual hot water and discharging time of the residual fluid varying with construction of a sterilizing passage and the king of the fluid to be treated. CONSTITUTION:A thermal sterilizer is additionally equipped with a device for inputting data on the number of pipes, connecting pipes, the flow rate, viscosity, etc., of a fluid to be treated of a heater 1, a cooler 3 and other holding pipes 2, etc., composing a sterilizing passage and performing calculation is provided. The purging time of the residual fluid with hot water and purging time of the residual hot water with the fluid are calculated to set the minimum required time.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a continuous heat sterilization device for milk, soup and other fluids.

Conventional technology Conventionally, in this continuous heat sterilization apparatus for yuzu fluid, the time required to drive out residual hot water after sterilization with hot water in the sterilization system path by the fluid to be treated, and the time to drive out the residual fluid with hot water after sterilization of the fluid Each was selected individually depending on the type of fluid, and the processing time was manually set.

Problems to be Solved by the Invention However, as mentioned above, with individual settings depending on the type of fluid, the processing time varies depending on the thickness and length of the piping that constitutes the sterilization system path, and there is also a time difference due to the processing amount and viscosity of the fluid. Therefore, determining the processing time requires considerable skill. Even if the time required to drive out the residual hot water by the fluid to be treated before sterilization treatment and the time to drive out the residual fluid by hot water after sterilization treatment are set based on experience, it is customary to make them longer from a safety perspective. In addition to time loss, there was also waste of fluid, and it was extremely complicated to process fluids of different types through the same system.

An object of the present invention is to calculate in advance the residual hot water expulsion time and the residual fluid expulsion time, which differ depending on the configuration of the sterilization system path and the type of fluid to be treated, in a fluid continuous heat sterilization device having continuous double tubes. The present invention aims to provide a fluid continuous heat sterilization device that can process a wide variety of fluids without waste by providing a device and automatically controlling the device.

Means for Solving the Problems In order to achieve the above object, the present invention provides a fluid continuous heat sterilizer having continuous double tubes, in which the number of tubes such as heaters, coolers and other hold pipes constituting the sterilization system path is reduced. , a connecting pipe and a device that inputs and calculates data such as processing flow rate and viscosity of the fluid are attached, and by this device, the remaining amount of hot water used for sterilizing the sterilization system path is expelled by introducing the fluid to be treated. It is equipped with a control device that calculates in advance the time and the time required to drive out the remaining amount of fluid with hot water after processing the fluid to be treated through the sterilization system, determines the minimum required time, and issues a control signal. .

Since it has continuous double tubes, the length of the sterilization system can be easily set and changed depending on the length and number of tubes, and the length of the sterilization system can be easily changed depending on the specific gravity, viscosity, and processing amount of the hot water and fluid to be treated. The flow velocity passing through the sterilization system path can be calculated, and the time required to expel the residual fluid by the hot water and the time required to expel the residual hot water by the fluid can be determined. Therefore, by controlling the drive time of the sterilization system in accordance with the processing time based on the calculation result, it is possible to automatically set the required minimum time and to respond to various quality changes due to fluid changes.

Example The embodiments shown in the drawings will be described below.

FIG. 1 shows Example 1.

(In the case of Black Onyx) Heater 1...21 Hold pipes 2-7 Pattern A cooler 3-
25 bottles Sterilization temperature: 125°C γ night flow rate: 300 I2/h Fluid (high viscosity) FIG. 2 shows Example 2.

(For Jikin extract) Heater 4...+5 Hold pipes 5...3 Pattern B cooler 6
...17 sterilization temperature 130℃ Liquid flow 1ffl 400fi/h Fluid (medium viscosity) The example shown in Figure 3 is the sterilization system line as Example 3,
General formula 1) Flow time (LL) of the thread path (connecting pipe length 25.44 m) in which hot water circulates from the heater through the branch point 2) Thread in which hot water circulates from the branch point to the hold pipe cooler (Length of connecting pipe: 3.80 m and 6 m) Flow time (shi,) 3) Thread path where liquid passes through the branch point, rehold pipe, and cooler (Length of connecting pipe: 4.6 m, 3. 80m and 6m) The passage time in the pipe can be calculated using the flow time (L, ).

However, m = length of pipe (2.24m) indicates the flow velocity in the pipe.

Flow jM =・X (β/h) Hold pipe (number of pipes)...W Heater (number of pipes)...y Cooler (number of pipes)・-z 4) Circulation by liquid from branch point Discharge time (L4) of hot water from road (20,84m) As above, +1. +1. -+- A is the time for expelling hot water and fluid in the sterilization system path.

For pattern A and pattern length, calculations are also performed once the length of the connecting pipe and the length of the circulation path are determined, respectively. In addition, the lengths of the heater, cooler, and hold pipe for both patterns AB can be easily calculated by multiplying the number of these by assuming that the length of each pipe is constant. Also, by changing the pattern and combining these tubes, it can be applied to heat sterilization of various types of fluids.

Effects of the Invention As described above, the present invention can respond to the setting and change of the thread path depending on the number of pipes constituting the sterilization system path, so even when using a wide variety of fluids, the number of pipes can be set and the By inputting data such as processing flow rate and viscosity, it is easy to calculate the hot water expulsion time and fluid expulsion time required for sterilization in the system, and by operating the control device based on these calculation results, the yarn path necessary for heat sterilization is calculated. It is now possible to secure Therefore, the effects are great, such as reducing wasted time, fluids, and hot water, and making it possible to quickly and automatically set the use of a wide variety of fluids.

[Brief explanation of drawings]

Fig. 1 is a perspective view showing an example of a sterilization system route by connecting a heater, a cooler, and a hold pipe, Fig. 2 is a perspective view showing another embodiment, and Fig. 3 is an explanatory diagram of an actual sterilization system route. be. 1.4.7... Heater 2.5.8... Hold pipe

Claims (1)

[Claims] In a fluid continuous heat sterilizer that has continuous double tubes, enter data such as the number of pipes such as heaters, coolers, and other hold pipes that make up the sterilization system, connecting pipes, and the processing flow rate and viscosity of the fluid. A device is attached to calculate the time required to expel the remaining amount of hot water used for sterilization in the sterilization system by introducing the fluid to be treated, and the amount of fluid remaining after the fluid to be treated is processed by the sterilization system. 1. A fluid continuous heat sterilization device characterized by being provided with a control device that calculates in advance the time required to expel the remaining amount with hot water, determines the minimum required time, and issues a control signal.