How to maintain the drying oven? How to use the constant temperature drying oven

For the daily maintenance of the drying oven, it is recommended to keep the equipment clean, ensure that the power supply is turned off during maintenance, check whether the grounding wire is off, and whether the overtemperature preventer is operating normally. However, when using, in order to ensure safety, when using the equipment that uses the heating wire to heat the object drying, it should be placed in a dry and horizontal place indoors to prevent vibration and corrosion.

In addition, when using the drying oven, we should pay attention to the safety of electricity, and the daily maintenance is very important, whether the power plug falls off, whether there are other electricity risks, all need to be changed through maintenance. Only better reliability can be accepted by more people, which is naturally the basis for obtaining better results, and will definitely be accepted by more people.

Keep the room clean and keep the temperature in a better state, you will be able to have a good performance, after all, the better the product, the more popular it will be, so that it can have a very good effect in terms of reliability, so that it can be maintained in combination with actual needs, so that it can be better guaranteed in terms of safety in use.

Buying equipment from well-known manufacturers will be the basis for more satisfaction, and in view of this, we still have to compare better.

The usual maintenance of the drying oven should be determined from whether the equipment is dusty, whether the power connection parts are reliable, etc. Choosing directly from a professional manufacturer will be the basis for achieving better results, after all, the better the product, the higher the popularity, so as to have a good performance in quality, after all, it can be accepted by more users.

Choosing directly from a professional point of view will be the basis for obtaining better results, so maintenance methods and safety precautions should be mastered.

Content from user: Ting Xlt

The main specifications and technical parameters of A-type digital display electric heating constant temperature blast drying oven 1. Use and performance: The maximum working temperature of the electric heating drying oven produced by our factory is two. The studio size is available in four sizes, and it can be used for a variety of prototypes.

It is suitable for baking, drying, heat treatment and other heating, and can be used in industry or in laboratories. (However, it is not suitable for volatile and flammable and explosive items to be placed in the drying oven to avoid causing **.) The working temperature of the drying oven can rise from room temperature by 10 to the maximum height, and the working temperature can be arbitrarily selected within this range, and the temperature can be kept constant by the automatic control series in the box after selection.

In the working room of the 202 electric drying oven, the specific gravity of the hot and cold air is used to promote convection, so that the indoor temperature is uniform. The 101 blower drying oven is equipped with an electric blower to promote the convection of indoor hot air and make the indoor temperature more uniform. The 101 A, 201 A series drying ovens are digitally controlled and more sophisticated than the old thermal expansion controllers.

And the reading is intuitive, easy to operate, high sensitivity, is an ideal drying equipment for factories and scientific research units The series of drying ovens adopts electronic regulators to control temperature, which is economical and practical. The 101S and 202S series inner denier are made of stainless steel, and their specifications and performance are the same as those of other drying oven products of our factory.

Second, the structure of the drying oven is composed of steel sheets, there is a sample and a studio in the box, there is a sample shelf in the studio, the sample can be placed on it for drying, the studio and the box shell have a considerable thickness of insulation layer, in silicon cotton or perlite as insulation material. There is a glass door or observation opening between the doors for observation of the room. The 101 blower drying oven is equipped with a blower, and the air in the working room is promoted by the blower to promote mechanical convection.

Open the exhaust valve to make it work.

The drying oven is used for the drying and dry heat sterilization of items, and the incubator is used for the cultivation of microorganisms and biological materials. The structure and use of these two instruments are similar, the drying oven can be used in a temperature range of 50 250, and blast electric heating is commonly used to accelerate the heating up. The maximum operating temperature of the incubator is 60 °C.

We bought it at Colback Labs. 1 How to use.

1) Insert the thermometer into the seat (in the middle of the venting regulator on the top of the box).

2) Plug the power plug into an electrical outlet.

3) Turn the heating wire group to position 1 or 2 (depending on the desired temperature), and turn on the blower to promote hot air convection. After the heating wire group is turned on at the beginning, the red indicator light is on.

4) Pay attention to the thermometer. When the temperature of the thermometer is about to reach the required temperature, adjust the automatic temperature control knob to make the green indicator light just shine, and then observe the thermometer and indicator light after ten minutes, if the temperature indicated on the thermometer exceeds the need, and the red indicator light is still on, then the automatic temperature control knob will be slightly rotated in the counterclockwise direction, and the temperature will be adjusted to the temperature is constant at the required temperature, and the indicator light will display red and green in turn. The autothermostat knob is located on the top left of the front of the cabinet.

Its scale plate cannot be used as a temperature standard indication, but only as a marker for adjustment.

5) In the constant temperature process, if there is no need for three sets of heating wires to heat up at the same time, only one set of heating wires can be turned on. The higher the number of open groups, the faster the temperature rises.

6) After working for a certain time, you can turn on the air release regulator at the top to drain the moisture, or you can turn on the blower.

7) After use, turn off all the heating wire group switches, and turn the knob of the automatic thermostat to the zero position in the counterclockwise direction.

8) Unplug the power supply.

2 Precautions.

1) Check the power supply before use, and have a good ground wire.

2) There is no explosion-proof equipment in the drying oven, and flammable and volatile materials should not be heated in the box. Do not place flammable materials near the box.

3) The inside of the box should be kept clean, and the net should not be rusted, otherwise the cleanliness of the glassware will be affected.

4) It should be monitored regularly during use to avoid temperature fluctuations affecting the use effect or accidents.

6) Do not twist the thermostat in the box, and avoid colliding with the thermostat when placing items, otherwise the temperature will be unstable.

7) The power supply should be cut off during maintenance.

1. The electronic moisture-proof box is powered on for the first time, pay attention to the power supply requirements, the moisture-proof box generally uses AC220V50HZ single-phase alternating current, after plugging in, check the temperature and humidity of the moisture-proof box control panel to ensure that the display is normal, if there is an abnormal situation, the power should be cut off immediately, stop using, and contact the equipment department or manufacturer.

2. The electronic moisture-proof box is used for the first time, set the required humidity, check whether the indicator light of the dehumidification host is on normally, run the empty cabinet for 24 hours, and make sure that the humidity setting meets the humidity storage requirements of the product before putting in the items.

3. Change the humidity setting of the electronic moisture-proof box. If the humidity requirements of the stored items change, it should be set according to the requirements, if the humidity is higher than the humidity in the current box, please open the door of the moisture-proof box for a few minutes, wait for the humidity to rise, close the cabinet door, and wait for the humidity to stabilize to the set value before putting the dehumidified items into the cabinet.

4. Precautions for storing items in electronic moisture-proof boxes: It is forbidden to put items with strong moisture absorption, acid and alkali corrosiveness, flammable and explosive products into moisture-proof boxes, such as cartons, leather, desiccant, etc.

5. The stains on the door panel sealant strip should not be cleared with medicated solutions, and the stains should be wiped off with a clean cloth.

6. The door glass is a fragile product, avoid using sharp tools to contact it, and pay attention to the strength when opening and closing the glass door, and do not use too much force.

The operator should be familiar with the performance and structure of the equipment, and can only operate after obtaining the operation qualification certificate.

Put the workpiece that needs to be dried and solidified into the drying oven, and a certain space should be reserved around the upper and lower sides to keep the airflow in the studio unobstructed, and close the drying oven door.

According to the situation of dry and cured goods, turn the damper adjustment knob to the appropriate position.

Turn on the power supply and fan switch. At this time, the power indicator light is on, and the motor is running. After the temperature control instrument display goes through the "self-test" process, the "PV" screen should display the measured temperature in the studio, and the "SV" screen should display the set temperature that needs to be dried in use, and the drying oven will enter the working state.

Press the "L" key once, the "SV" screen will display "5P", use or change the temperature value displayed on the original "SV" screen until the required value is reached. After setting the number of ears, press the "set" button, and the "PV" will display "5T" to enter the timing function. If you don't use the timer function, press the "SET" button again to make the "PV" screen display the measured temperature, and the "SV" screen can display the set temperature.

If the family is using timing, when the "PV" screen displays "5T", the "SV" screen displays "0", use the plus and minus keys to set the required time, and after the setting is completed, press the SET button to make the drying oven enter the working state. Potato Sparrow.

After the temperature time is set, open the door and put in the product, then close the door and press the lock to enter the set working state.

Vacuum drying oven is widely used in various fields, is a kind of ancient drying device, as the name suggests is to provide a vacuum environment to quickly dry some items. Let's take a look at how to use it.

01 Put the items to be dried into the box, close the air release valve, open the vacuum valve, turn on the power supply and start pumping, so that when the vacuum level in the box reaches M Pa, turn off the power supply.

02 Turn the power switch of the drying oven to the "on" position, according to the required set temperature, the box indicates that the stupid crack light will be on and off, don't care, generally enter the constant temperature state after 120 minutes.

03 If the temperature you need is low, you can use the secondary setting method, for example, the required band temperature is 40 degrees Celsius, you can set 40 degrees Celsius for the first time, and then set 40 degrees Celsius for the second time after the temperature starts to fall. This also allows for a quick transition to a constant temperature.

04 After drying, the power of the drying oven should be turned off, the air release valve should be opened, the vacuum state in the box should be lifted, and then the door of the box should be opened to take out the items.

1.Before using the drying oven, you should check whether the power supply voltage is AC 220VWhether the grounding post of this drying oven is firmly connected and must not be loose. Otherwise, it cannot be used. Use it again after repair.

2.Plug the connector of the power cord into an AC 220V outlet.

3.Set the operating temperature. Press the small button on the digital temperature instrument, adjust the setting to allow the heating temperature within the working temperature range, and the temperature control instrument controls the heating temperature until the temperature is constant, and a certain amount of time is required to keep the temperature constant.

4.Place the items on the shelves in the working climate room, keep a certain distance between the items so that they can receive even heat radiation, and then close the door.

5.A set of heating switches can be turned off at a constant temperature (the operating temperature is below 180.

6.After the end of the work, turn off the heating power switch, stop the heating, and the temperature in the working room can be opened only after the temperature drops to a certain temperature, and the items can be taken out. ** After turning off the main power switch.

7.When setting the temperature of the studio, do not exceed the range of the studio temperature of this product. Avoid damaging the door seal.

How to use the oven:

Connect the oven power supply, then turn on the switch, adjust the temperature to the value you need, button or knob adjustment, now the oven generally has a digital display of temperature, it is best to put a thermometer into it, so that it is more convenient to monitor whether the temperature display of the oven is accurate. Be careful not to place items that are volatile at high temperatures, such as plastics, and do not bake volatile chemical agents, such as acids, etc.

Precautions for using the oven:

1) The oven should be placed in a dry and horizontal place indoors to prevent vibration and corrosion.

2) Pay attention to the safe use of electricity, and install a power switch knife with sufficient capacity according to the power consumption of the oven. Choose sufficient power wires and should have good grounding wires.

3) The oven with the electrical contact mercury thermometer thermostat should connect the two wires of the electric contact thermometer to the two binding posts on the top of the box. In addition, an ordinary mercury thermometer is inserted into the exhaust valve, (the thermometer in the exhaust valve is used to calibrate the mercury thermometer at the electrical contact and the actual temperature in the observation box) to open the hole of the exhaust valve. After adjusting the mercury thermometer at the electrical contact to the required temperature, tighten the screws on the steel cap to achieve a constant temperature after the dust is closed.

However, care must be taken not to turn the indicator iron outside the scale when adjusting.

4) When all the preparations are ready, the sample can be put into the oven, then connected and turned on the power, the red indicator light indicates that the box is heated in the standby roll. When the temperature reaches the controlled temperature, the red light goes off and the green light turns on, and the constant temperature begins. In order to prevent the failure of temperature control, it is also necessary to take care of it.

5) When putting in the sample, you should pay attention to the arrangement not too dense. The test product should not be placed on the heat sink to avoid affecting the upward flow of hot air. It is forbidden to bake flammable, explosive, volatile and corrosive substances.

6) When it is necessary to observe the sample situation in the studio, you can open the outer door and observe through the glass door. However, it is better to open the door as little as possible so as not to affect the constant temperature. Especially when working above 200, opening the door may cause the glass door to cool down and break.

7) For the oven with air blast, the blower must be turned on during the heating and constant temperature process.