This product is suitable for colleges and universities, scientific research departments and industrial and mining enterprises laboratory for a variety of goods baking, drying, heat treatment and constant temperature heating experiments.
Second, the main technical parameters
Model Rated power
(KW) Chamber size (mm)
Depth × Width × Height Overall Dimensions (mm)
Depth × Width × Height Volume
(L) Weight
(Kg)
DH-101-0 0.8 350×350 ×350 510×640×530 42
DH-101-0S
DH-101-0BS
DH-101-1 1.1 350×450×450 510×740×630 70
DH-101-1S
DH-101-1BS
< p>DH-101-2 1.6 450×550×550 610×840×730 136DH-101-2S
DH-101-2BS
DH-101-3S 3.0 500×600×750 660×1000×1170 225
DH-101 -3BS
It
It Using conditions: Rated voltage: 220V±10%, 50Hz; Ambient temperature: 5-40℃; Humidity: <80%;
No flammable and explosive and conductive dust.
Temperature control range: room temperature +10 ℃ -220 ℃; temperature fluctuation ≤ ± 1 ℃; temperature uniformity: ≤ ± 2.5%;
Heating up time: ≤ 90min.
Product model without the suffix letter for the economic series of drying oven, the configuration of which is: carbon steel studio + electronic temperature regulator + mercury thermometer;
The product model without the suffix letter S for the economic series of drying oven, its configuration is: carbon steel studio + electronic temperature regulator + mercury thermometer;
The product model without the suffix letter S for the economical series of drying oven, its configuration is: carbon steel studio + electronic temperature regulator + mercury thermometer;
Product model suffix letter S for the basic series of drying oven, its configuration: carbon steel plate studio + intelligent temperature regulator;
Product model suffix letter BS for the stainless steel series of drying oven, its configuration: stainless steel plate studio + intelligent temperature regulator.
The above various specifications and models of the drying oven can choose intelligent program temperature regulator.
Three, structure and working principle
Electrothermal constant temperature blast drying box shell by the steel plate stamping and folding, welding molding, the shell surface adopts high-strength electrostatic spraying painting treatment, paint film is smooth and solid. The workshop is made of carbon steel plate or mirror stainless steel plate, and the workshop is filled with heat preservation cotton between the workshop and the shell. The interior of the studio is equipped with test specimen shelves, which are used for placing various test items. The back of the studio is equipped with electric heating elements and centrifugal fan impellers, by the fan will be heated air through the rear air duct in the studio for circulation, so the studio temperature is more uniform. The door seal adopts silicone rubber strip sealing, the box door is equipped with a view mirror for observation, the back of the shell is equipped with air inlet and outlet holes, the size of the exhaust volume can be adjusted. Electrothermal constant temperature blast drying box shell on the left side of the electrical box, electrical box on the front panel is equipped with temperature control instruments, power switch, electrical box is equipped with electrical components.
In order to meet the needs of different users, this series of drying oven has three kinds of temperature control system for users to choose:
1, the economic series of drying oven adopts the electronic temperature regulator for temperature setting and control, and inserts the mercury thermometer from the top of the drying oven to display the temperature, and the temperature control system is the bit-type temperature control, reliable performance and easy to use.
Basic and stainless steel type series drying oven adopts intelligent digital temperature regulator for temperature setting, display and control. The temperature regulator adopts computer technology to collect and process the temperature signal in the working chamber, which can make the temperature in the working chamber keep constant automatically. The temperature control system is P.I.D intelligent temperature control, reliable performance, easy to use.
Stainless steel type series drying oven can also choose intelligent program temperature regulator for temperature setting, display and control. The temperature control system can set and control the working temperature, constant temperature, temperature rise time and constant temperature time in multiple temperature sections. The temperature regulator adopts computer technology to collect and process the temperature signal in the working chamber, which can make the temperature in the working chamber keep constant automatically. The temperature control system is P.I.D intelligent temperature control, reliable performance, easy to use. And can be programmed according to the experimental needs.
Intelligent temperature regulator have over-temperature protection function. If the temperature in the working room exceeds the set temperature value during the working process of the equipment, the over-temperature protection circuit will be activated and the heating circuit will be cut off.
Four, the installation and use of equipment
Equipment should be used before the electric constant temperature blower drying box on a flat workbench, the first appearance of the inspection: the appearance of the equipment is not damaged, the instrumentation appearance is intact, the equipment is well insulated, the power plug is intact, the power switch is pressed and flexible. The power cord of each device is connected to a single-phase three-pole plug, in which the top electrode of the plug for the grounding pole, the user must use a single-phase three-pole power socket, the grounding pole of the power socket should be reliable protection of the grounding, protection of the zero. Power socket should be able to provide more than the use of electric constant temperature blower drying oven rated power of the current.
How to use the economic series drying oven:
Read the instruction manual of the electronic temperature regulator carefully to set the temperature.
Turn on the power switch, turn on the power supply of the equipment, dial the setting knob of the electronic temperature regulator to the desired temperature scale value, insert the standard mercury thermometer into the middle hole of the wind cap at the top of the box for displaying the temperature. At this time, the heater began to heat, the temperature of the working chamber began to rise. The green light on the electronic temperature regulator indicates heating, the red light indicates stopping heating, and the red and green lights alternately indicate entering the constant temperature section. When the temperature inside the box is stabilized, the indication value of the standard mercury thermometer is the temperature value inside the working chamber. When the standard mercury thermometer indication value and the requirements of the set temperature value of the difference, the electronic temperature regulator can be set knob slightly fine-tuned to make the standard mercury thermometer indication value to meet the requirements of the process can be.
Example: TED-4001 temperature controller, for example, set the working temperature of 150 ℃, the operation method is as follows:
Open the power switch → electronic temperature regulator temperature setting knob is set to 150 ℃ → electronic temperature regulator's green light is on, the heater began to heat up, the studio temperature rises slowly → reached 150 ℃ green light off → red and green lights flash alternately that Enter the constant temperature section.
2, the basic type and stainless steel type series of drying oven use:
Read carefully the intelligent temperature regulator instructions for temperature setting.
Turn on the power switch, turn on the power supply of the equipment, the intelligent temperature regulator is energized, to be the end of its initialization, followed by the temperature setting. Set the temperature to the desired temperature value, and then turn on the heating switch, intelligent temperature regulator on the OUT indicator light, this time the heater began to heat up, the temperature in the working chamber began to rise, when the temperature in the working chamber is close to the set temperature, the OUT indicator light off and on, into the P.I.D temperature control stage. If users need higher temperature accuracy, they can refer to the relevant contents of the manual of the intelligent temperature regulator for the operation of P.I.D self-tuning and other items.
Example: YLE-2412W intelligent digital display temperature controller, for example, set the working temperature of 150 ℃, the operation method is as follows:
Open the power switch → instrument power initialization, the instrument respectively displays the current temperature value and the set value → temperature setting: press the key, the upper row displays SP → press the or key so that the lower row displays 150 → key to return to the normal Working state→Turn on the heating switch OUT indicator light→Studio begins to warm up→When close to 150℃, OUT indicator light intermittently light off, enter P.I.D control→Constant temperature.
Please refer to the instruction manual of the regulator for the use of intelligent program temperature regulator.
V. Precautions for the use of equipment
The technical indexes of this series of products have been tested in actual operation before delivery, if the user needs to use the self-provided thermometer (thermometer with a certain degree of accuracy) for the determination of the process requirements, the user's thermometer can prevail.
Regularly check whether the electrical contact screws are loose, if loose, should be tightened to maintain good contact with the electrical contact.
This equipment is non-explosion-proof equipment, shall not carry out experiments and storage of flammable and explosive substances, in order to avoid the risk of combustion.
Electric constant temperature blast drying oven use, there must be a person to ensure that the normal operation of the equipment.
Electrothermal constant temperature blast drying oven is not used for a long time, should be taken out of the work chamber and wipe clean, keep the equipment dry.
Electrothermal constant temperature blast drying oven occurs abnormal phenomenon, should be timely inspection, maintenance, if you can not accurately determine the fault can be contacted with the company's technical department.
My company long-term supply of various spare parts, while the production of various specifications of electric constant temperature blower drying oven, electric constant temperature drying oven, electric constant temperature incubator, high temperature electric blower drying oven, electric vacuum drying oven, far-infrared electric blower drying oven, humidity and heat test chamber, biochemical incubator, electronic temperature-regulating furnace, mechanical temperature-regulating furnace, stainless steel distillation, electronic temperature-regulating electric heat sets, and 950 ~ 1600 ℃ box-type, crucible-type, tube-type resistance furnace, as well as furnace temperature controller, electrothermal thermostatic water bath, electrothermal thermostatic water tank and ultra-purification workbench, and undertake a variety of non-standard incubator, drying box design and manufacture.
Six, equipment failure judgment and troubleshooting
Failure phenomenon: can not warm up
Instrumentation status Failure causes and judgment Inspection and troubleshooting methods
Power switch indicator and temperature adjustment instrument indicator are not bright user-provided power socket is not powered by the use of a multimeter or other intact appliances to test the user's self-provided power socket whether the power is available, Repair power supply facilities
Power cutter switch is damaged
Power plug of the drying oven is damaged Use a multimeter to check the on/off and replace it
Power supply is disconnected
Power switch indicator light is on, and the indicator light of the temperature regulating instrument does not light up Temperature regulating instrument is damaged Replace the temperature regulating instrument
Output indicator light of the temperature controlling instrument can be lit up and shut down properly, and the temperature controlling instrument can display the current working room temperature. Temperature control instrument can display the current temperature of the room heater wire damage with a multimeter to check the resistance value of the electric heating wire, replace
Temperature control meter within the relay is damaged and not pass (contact erosion) with a multimeter to check the on and off, replace
Bi-directional thyristors breakdown circuit damage (not pass)
Trouble phenomenon: can not be controlled
Meter indicator state Failure causes and judgment Inspection and elimination methods
Electronic temperature regulator of the red indicator light, the intelligent meter no output signal and display over-temperature, but the temperature of the working chamber has exceeded the set temperature value, the working chamber still continue to heat up Temperature control instrument in the relay is damaged (contact adhesion) Check, replace the relay
Temperature control instrument meter is damaged Check, replace the temperature control instrument meter
Bidirectional SCR breakdown short-circuit damage (heating circuit is always on) Check, replace
Temperature control meter's green indicator light is on, but the temperature in the studio has long exceeded the set temperature value and continues to rise Temperature sensor damage Check, replace
Temperature sensor's connecting wire is short-circuited Check, reconnect
Temperature sensor is out of the studio's normal temperature control point Replace it back to the original position
Temperature sensor is out of the studio's normal temperature control point Re-placed to Original position
Remarks: Because of the electric wire heating chamber of the steel surface of the silver powder paint coating, the initial use, electric constant temperature blast drying box smoke escaping as a normal phenomenon, can be slightly open the door, smoke, and later can work normally.