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Step 1. The specific heat capacity of the air at constant pressure at 0 degrees Celsius is.
The specific heat capacity of the air at a constant pressure of 65 degrees Celsius is.
To simplify the calculation, the change in specific heat capacity from 0 degrees Celsius to 65 degrees Celsius is considered linear.
i.e., the average specific heat capacity is: (
Step 2. The density of the air is 50 cubic meters of air quality for the third step: calculate the required heat q
q=m*cp*(t2-t1)=
The last step: calculate the power p
p=half an hour=seconds=
Based on this data, go to the heater selection table to select the appropriate heater. Complete!
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Is the air heating of the aging room considered separately? Are there any other heated parts?
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If it is used industrially, it should be very easy to heat more than 500 tanks and maintain a constant temperature. Is it necessary to keep the liquid inside the tank warm? As for what you said, the heating temperature is out of control!
There may be the following causes of the original hailstorm: 1The controller loses control, causing the temperature display to be too high or too low. 2.
Temperature sensor malfunction (dust source. Thermocouple) cannot detect the actual temperature, solution: replace with a new temperature controller.
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1.Check whether the voltage is correct before using the aging room, please use the voltage marked on the machine to avoid excessive electricity and fire.
2.Whether the motor runs in a normal direction, if there is gas discharge from the air outlet of the aging room, it is normal. (Only applicable to models with 380V three-phase voltage).
3.When the display temperature of the aging room is very different from the actual temperature (measured by the standard thermometer), the parts and internal parameters of the circuit board cannot be adjusted at will, and the company should be notified to send staff to deal with it.
4.When the temperature changes during the use of the aging room, do not open the door at will.
5.Do not place the machine in a humid place or rinse it directly with water to prevent electricity leakage.
6.It is forbidden to put flammable and volatile substances such as alcohol in the machine to prevent accidents.
7.When using flammable materials near the machine, keep them away from them to prevent accidents.
8.Please be careful when placing items on the machine, and be sure to wear high-temperature gloves when the temperature is above 60 degrees Celsius.
9.When the timer (temperature to timer) is working, the AL light on the temperature control meter lights up at this time, indicating that the temperature has reached the set range and the machine starts to maintain the temperature.
10.When the temperature is maintained, when the display temperature of the aging room is overshoot or low with the set temperature, it needs to be automatically calculated.
11.The heater in the machine should be checked regularly to remove dust and other miscellaneous residues.
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First of all, it is necessary to use thermal insulation board insulation or better thermal insulation cotton and other thermal insulation cotton, not wall insulation.
Choose a better controller, such as Fujifilm RKC. , otherwise the temperature may not be accurate.
It is best to use resistance wire alloy wire or the like for the heater, do not use the heating tube, the heat of the heating tube is too great, and the heater should not be placed on the top, because 85 degrees is not necessary at all.
Wuxi Kerim Environmental Science and Technology Co., Ltd. specializes in the production of various types of aging boxes and aging rooms.
Glad to ask you! I hope to have the opportunity to communicate with you further, contact: Cai Gong.
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Directly find the manufacturer to order, temperature control and temperature change rate you can hardly guarantee.
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As the power supply ages, you have to choose your load type:
There are high-power wirewound resistors, cement resistors, ordinary electronic loads, and feed-through electronic loads.
The simplest of the above is the high-power wirewound resistor, and the resistance can be adjusted as much as you want.
The best thing is to use a fed electronic load, which can take the power consumed**, and now the market is doing more than 90% of the good **, but the cost is high. The versatility is not widespread.
The most important thing to do in the aging room:
1。One point is fireproof, because the internal temperature is relatively high.
2。Temperature control, because the power supply itself is a heat-generating device, and the load is also heating. Therefore, it is very important to achieve temperature control, but it is not enough to do simple temperature control, but also to pay attention to the problem of temperature balance (the industry generally uses circulating air to deal with it). After overheating, the exhaust device should be used.
3。There should be a transformer at the front end of the aging room (which provides energy for the aging room), and all the wire diameters of the main line must leave sufficient margin. The insulation and high temperature resistance of the wire should be good.
4。The placement of loads and products should also be considered.
5。The product aging AC220 AC110 switching can not be errored.
6。Leakage protection goes without saying.
The above is for reference. It's man-made. Thank you!
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Aging room copy of electronic products
It is also called burning bai machine room or temperature room; It is mainly divided into:
du: Room isolated aging room, chamber isolated aging room, mobile DAO aging room!
1. Temperature range: ambient temperature) +70
2. Set temperature accuracy: 1
3. Temperature deviation: 3 (no load, test in the working area) 4. Dimensions: according to the actual requirements of customers.
5. Studio size: according to the actual requirements of customers.
6. Gate size: according to the actual requirements of customers.
7. Observation window size: according to the actual requirements of customers.
8. Long temperature rate: normal temperature +60 30min9, heating power: according to the actual requirements of customers.
10. Operation mode: automatic fixed value operation.
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