By vantal 1. Remove the original heating ring of the modified part of the barrel.In order to facilitate users to have a better experience, towel warmer supplier Many attempts have been made to upgrade the products, and the results are also very good, and the market performance tends to be in a good state. http://www.goldhot.hk
2. Measure the size of the barrel, generally including the circumference, calculate the required insulation cotton, and estimate whether the winding position is enough according to the power of the original heating ring.
3. Wrap the thermal insulation cotton on the barrel and tie it tightly with a high-temperature bandage to keep its thickness between 1.5 and 2.0 cm. In order to make the installation more beautiful, a layer of 0.5mm insulating resin plate can be wrapped on the thermal insulation cotton.
4. Wrap the electromagnetic wire on the wrapped barrel, and the electromagnetic wire should be wound as closely as possible.
5. Install the electromagnetic heating controller.
Installation matters
1. Before modification, measure the original power, and then estimate the required electromagnetic heating power, which is generally 70% of the original power.
2. Remove the original heating ring, and pay attention to whether the original heating ring is single-phase or three-phase. Generally, our control panels smaller than 5KW are single-phase. Pay attention to replacing the three-phase plus zero line with single-phase, and mark the original heating wire and temperature control probe, so that when electromagnetic heating is installed at the back, the load lines correspond to each other.
3. Insulation cotton packaging. Wrap the thermal insulation cotton on the barrel with a high-temperature bandage. Under the premise of tightening, the thickness of thermal insulation cotton should be kept at about 1.5-2.0CM, which should not exceed this range. Generally, a numerical value should be grasped on the same machine, and it cannot be different from top to bottom. Otherwise, the control panel will stop working due to high working frequency or low automatic protection, which will also affect the service life of the control panel. It should be noted that the area behind the barrel (the area connected with the flange/tee) may overheat after being wrapped with thermal insulation cotton, so it is necessary to make a separate ventilation device in this area. Generally speaking, we should pay attention to this kind of machine, the friction temperature between the barrel and the screw itself is high, and the thermal insulation cotton can not be completely wrapped, otherwise other areas will be overheated.
4. Wind the electromagnetic wire on the cylinder. This part is very important. The wire of a control panel should be wound tightly as far as possible. Don’t let it loose. Looseness will affect its induction ability, which will affect the work of the control panel. When installing two or more control panels in a control panel, it is necessary to control the coils wound by the two control panels to be as far away as possible, and the coils and coils should be kept above 7.5CM, otherwise there will be interference between the control panels. Judge the distance between coils according to the length of the barrel. If the length of the barrel is long enough, we will Generally speaking, the feeding section of the drum should be wound tightly. This area is the melting section, and the required temperature is higher. In the third temperature zone, an air guide ring should be made to prevent the temperature rise in this temperature zone from being too high, and the fan can be used or not. Depending on the temperature situation, it is suggested that the fan can be used without it, and the power saving effect is good.
5. Install the electromagnetic heating control panel. The power inlet of the control panel is equipped with the load line on the original heating ring, but the load line is not controlled by the contactor, and the short circuit becomes a long-distance power supply through the two terminals of the contactor. The upper and lower terminals of the original contactor are connected with the soft start of the heating control panel, the soft switch of the heater is controlled by the contactor to control the work of the heater, and the outlet of the heating control panel is connected with both ends of the coil. It should also be noted that the controller’s box is installed near the coil, because the controller’s outgoing line is too far, which will cause magnetic field interference.
6. Power-on adjustment. When adjusting, a controller adjusts. Generally, the 2.5KW electromagnetic heating control panel controls its current to be about 10 A.. When finishing, please pay attention to the fact that the outlet wire of the electromagnetic induction heater cannot be connected with the probe wire of the temperature regulator, so as to avoid interference of the temperature regulator and incorrect temperature measurement.