JP3734854B2 - Hot air circulation type individual multiple enamel wire baking furnace and method for producing enamel wire using the same - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a hot air circulation type individual multi-ply enamel wire baking furnace for producing enameled wire and a method for producing enameled wire using the same .
[0002]
[Prior art]
In the hot air circulation type individual multiple baking stove for enamel wire production, the baking chamber is composed of a part of the hot air circulation path, and the direction of one enamel coated wire is changed at the outlet end and the inlet end of the baking chamber and repeated. A plurality of zones for passing through the baking chamber are provided in parallel. When such an individual multiple baking oven is used, a plurality of enamel wires can be manufactured simultaneously.
[0003]
When enameled wire is manufactured in an individual multiple baking oven, if the temperature distribution in the width direction (for each zone) in the baking chamber is not uniform, variations in hue will occur in the enameled wire (finished line) manufactured in each zone. coming out. For this reason, conventional baking furnaces are equipped with a damper for adjusting the air volume for each zone at the hot air outlet to the baking chamber, and the amount of hot air is adjusted for each zone, so that the enameled wire manufactured simultaneously in multiple zones The hue of was adjusted to be uniform.
[0004]
[Problems to be solved by the invention]
However, it is difficult to make the temperature distribution in the width direction in the baking chamber uniform only by adjusting the air volume with the damper, and it is difficult to make the hues of the enamel wires manufactured simultaneously in a plurality of zones uniform. Since the enameled wire with poor hue is a defective product, the variation in hue leads to a decrease in yield.
[0005]
In view of the above problems, the object of the present invention is to adjust the temperature distribution in the width direction in the baking chamber uniformly and to make the hue of the enameled wire produced at the same time uniform. An object of the present invention is to provide a multi-stretch enamel wire baking furnace and a method for producing an enamel wire using the same .
[0006]
[Means for Solving the Problems]
In order to achieve this object, according to the present invention, the baking chamber is constituted by a part of the hot air circulation path, and one enameled wire is redirected at the outlet end and the inlet end of the baking chamber and repeatedly passed through the baking chamber. In the hot air circulation type multi-strand enamel wire baking furnace with multiple zones arranged in parallel,
A hot air outlet to the baking chamber, each zone, set the damper and auxiliary heater for hot air auxiliary heating for air-flow control,
A temperature detector is provided for each zone near the hot air outlet in the baking chamber.
Rough temperature adjustment line Utotomoni for each zone by air volume adjustment of the damper,
The temperature signal detected by the temperature detector is input to the heater controller for each zone, the amount of heat generated by the auxiliary heater is controlled so that the temperature of each zone is uniform, and fine temperature adjustment for each zone is performed. Do,
It is characterized by this.
In the enameled wire manufacturing method according to the present invention, the baking chamber is constituted by a part of the hot air circulation path, and the direction of one enamel coated wire is changed between the outlet end and the inlet end of the baking chamber, and the inside of the baking chamber is repeated. In the manufacturing method of the enamel wire using the hot air circulation type individual multi-hung enamel wire baking furnace in which a plurality of zones to be passed are provided in parallel,
At each hot air outlet to the baking chamber, a damper for adjusting the air volume and an auxiliary heater for hot air auxiliary heating are provided for each zone.
A temperature detector is provided for each zone near the hot air outlet in the baking chamber.
While roughly adjusting the temperature for each zone by adjusting the air volume of the damper,
The temperature signal detected by the temperature detector is input to the heater controller for each zone, the amount of heat generated by the auxiliary heater is controlled so that the temperature of each zone is uniform, and fine temperature adjustment for each zone is performed. Do,
It is characterized by this.
[0007]
In this way, the temperature distribution in the width direction in the baking chamber can be easily made uniform, and the hues of enameled wires produced simultaneously in a plurality of zones can be made uniform.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. 1 to 3 show an embodiment of the present invention. In the figure, 11 is a baking furnace, 13 is an enameled wire, 15 is a baking chamber through which the enameled wire 13 passes, 17 is a hot air outlet that sends hot air into the baking chamber 15, and 19 is hot air suction that draws hot air from the baking chamber 15. The mouth 21 is a circulation chamber.
[0009]
In the circulation chamber 21, a main heater 23 for heating air, a fan 25 for circulating hot air, a catalyst 27, and the like are installed. The circulation chamber 21, the hot air blowing port 17, the baking chamber 15 and the hot air suction port 19 constitute a hot air circulation path.
[0010]
The enameled wire 13 passes through the baking chamber 15, changes direction with the roller 29 at the outlet end of the baking chamber 15, returns to the inlet end, changes direction with the roller 31 at the inlet end, and passes through the baking chamber 15 again. The process is repeated several times, and the paint is baked, and finally it becomes enameled wire.
[0011]
In the baking furnace 11, as shown in FIG. 2, a plurality of zones 33 are provided in parallel in which one enameled wire 13 is repeatedly passed through the baking chamber 15 while changing the direction between the outlet end and the inlet end of the baking chamber 15. It has been. As a result, a plurality of enameled coated wires 13 can be baked simultaneously.
[0012]
In the individual multiple baking stove 11 as described above, the hot air blowing port 17 is provided with a damper 35 for adjusting the air volume and an auxiliary heater 37 for auxiliary hot air heating in each zone 33, and the hot air blowing port. 17 is characterized in that a temperature detector 39 is provided for each zone 33 in the baking chamber 15 near 17. A thermocouple or the like can be used as the temperature detector 39.
[0013]
The damper 35 adjusts the opening area of the hot air outlet 17 for each zone 33 and adjusts the amount of hot air to circulate, thereby roughly adjusting the temperature in the baking chamber 15. Further, the temperature detector 39 and the auxiliary heater 37 perform fine temperature adjustment for each zone 33. The temperature signal detected by the temperature detector 39 is input to the heater control device 41 for each zone 33 as shown in FIG. 3, and the heat generation amount of the auxiliary heater 37 is controlled so that the temperature of each zone 33 becomes uniform. .
[0014]
Therefore, since the enameled wire 13 in each zone 33 is heated uniformly, an enameled wire having a uniform hue can be produced in each zone 33.
[0015]
【The invention's effect】
As described above, according to the present invention, the temperature distribution in the width direction in the baking chamber can be made uniform in the hot air circulation type individual multiple baking furnace, so that the hue of the enameled wire manufactured simultaneously in a plurality of zones Can be made uniform, and there is a remarkable effect in improving the yield.
[Brief description of the drawings]
FIG. 1 is a longitudinal sectional view showing an embodiment of a baking furnace according to the present invention.
FIG. 2 is a cross-sectional view taken along line AA in FIG.
FIG. 3 is a cross-sectional view taken along line BB in FIG.
[Explanation of symbols]
11: Baking furnace 13: Enamel coating wire 15: Baking chamber 17: Hot air outlet 19: Hot air inlet 21: Circulating chamber 23: Main heater 25: Fan 27: Catalyst 33: Zone 35: Damper 37: Auxiliary heater 39: Temperature Detector 41: Heater control device

Claims (2)

Hot air in which the baking chamber is composed of a part of the hot air circulation path, and a plurality of zones in which one enameled wire is redirected repeatedly through the baking chamber by changing the direction at the outlet end and the inlet end of the baking chamber In circulation type multi-strand enamel wire baking furnace,
A hot air outlet to the baking chamber, each zone, set the damper and auxiliary heater for hot air auxiliary heating for air-flow control,
A temperature detector is provided for each zone near the hot air outlet in the baking chamber.
Rough temperature adjustment line Utotomoni for each zone by air volume adjustment of the damper,
The temperature signal detected by the temperature detector is input to the heater controller for each zone, the amount of heat generated by the auxiliary heater is controlled so that the temperature of each zone is uniform, and fine temperature adjustment for each zone is performed. Do,
This is a hot air circulation type multi-strand enamel wire baking furnace.   Hot air in which the baking chamber is composed of a part of the hot air circulation path, and a plurality of zones in which one enameled wire is redirected repeatedly at the outlet end and the inlet end of the baking chamber and repeatedly passed through the baking chamber. In the manufacturing method of enameled wire using a circulation type individual multi-hung enameled wire baking furnace,
  At each hot air outlet to the baking chamber, a damper for adjusting the air volume and an auxiliary heater for hot air auxiliary heating are provided for each zone.
  A temperature detector is provided for each zone near the hot air outlet in the baking chamber.
  While roughly adjusting the temperature for each zone by adjusting the air volume of the damper,
  The temperature signal detected by the temperature detector is input to the heater controller for each zone, the amount of heat generated by the auxiliary heater is controlled so that the temperature of each zone is uniform, and fine temperature adjustment for each zone is performed. Do,
  The manufacturing method of the enameled wire using the hot air circulation type individual multi-hanging enameled wire baking furnace characterized by the above-mentioned.

Images