Drawell DW-280A Manuel utilisateur
Model DW-280A (18L/24L/30L)
PORTABLE STEAM STERILIZER
Drawell International Technology Limited
Shanghai Drawell Scientific Instrument Co.,Ltd
Add : Suite 1506,Lane581 XiuChuan Rd.,PuDong New Area,Shanghai,China
Tel: 0086 21 50966080
Fax: 0086 21 50966080
Web : www.drawell.com.cn
Email : sales01@drawell.com.cn
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Warm tips
1. Please read the instruction manual carefully before operating the equipment, and
make the book well-kept, so that you can make reference to and we can serve for
you in the future .
2. We are not responsible for the damage and malfunction due to improper
installation, operation, moving, and other contrived reasons.
3. If the safety valve doesn’t vent even when the pressure gauge pointer exceed
0.165Mpa,stop using immediately and check its sensitivity. Don’t strike the
apparatus during using; never use the machine under over-high pressure
condition; pressure gauge must be checked 1-2times every year to ensure its
accuracy.
4. The equipment should be keep clean and dry in ordinary times, pour water out of
container when finishing using, to help to prolong the life of the sterilization.
machine.
5. Check the sealing ring to find whether abrasion or aging occur, and change it
timely, to ensure its sealing capacity.
Brief introduction
The sterilization machine we produce for objects sanitation and sterilization
works through saturated high-pressured steam, it has following advantages of being
easy to operate, heating up quickly, sterilizing thoroughly etc. It can be used in
hospitals、academies of health、health care stations、infirmaries in mineral factories、
laboratories、cosmetic factories、food factories、scientific research centers and so
on .It can work on medical apparatus、dressing、glass utensils、solution、culture
medium,etc. It can also be used as cook instrument in Altiplano area.
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Main body
structure
1. Safety valve
2. Pressure gauge
3. Hand grip
4. Safety valve with tube
5. Container cover
6. Bolt
7. Wing nut
8. Silicone seal
9. Container
10. Sterilizing tank
11. Sieve plate
12. Electric heating tube
13. Switch
14. High pressure faucet
15. Spanner for the wing nut
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Structure characteristics
1. The main body of the container to our product is made of high—quality stainless
steel with one portion of Gr, eighteen of Ni, nine of Ti. Our product is not only
acid—proof ，alkali--proof,but also safe and durable to consume, its life is
three times longer than aluminum metal alloy product.
2. Our product heated up by immersion electric heating tube, consumes little power,
while temperature goes up quickly.
3. Vary heating method available, such as liquefied gas, coal gas, coal gas
stove ,firewood,etc.
4. The safety valve can release over-high pressure automatically when the steam
pressure exceeds 0.165MPa to insure the safety.
5. The pressure gauge is designed to have double scales, with two types of reading to
show pressure and temperature clearly.
Technique parameters
1. Capacity of disinfect cylinder: 0.024m3
2. Working pressure rating: 0.14MPa
3. Maximal safety pressure: 0.165MPa
4. Power source pressure: 220V
5. Power of electric heating tube：2.0kW
Installation and debugging
1.Take out the product from the packing box properly.
2.The apparatus must be installed on flat surface, not in rugged ground.
3.The left, right and back sides of the apparatus should be kept away from walls by
15cm at least.
4.To be sure the power source voltage is in accordance with the demand of the
apparatus, and dependable earth wire required.
5. Don’t locate the apparatus near inflammable gas sources; it should be installed in
dry and ventilate environment.
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Operating instructions
1. Adding Water: it can be used when 3.5L water has been added
into the container, but the water level can’t exceed the three
shelving plane which is under inner barrel. Water rating must be supply enough
during circulate use, in order to prevent damaging the electric heating tube due to
water shortage.
2. Heaping objects：Put these objects needed to be sterilized on sieve plate, there
should be gaps among these packed objects, to help steam to permeate and improve
working quality.
3. Air proofing：
put the sanitizing cylinder into the container, and then insert the soft
tube which is on container lid into the semicircle groove in the cylinder，screw the
container lid with wing-shaped nut in container tightly, make no distance between
the lid and container.
4. Heating ：connect the power source to power source; venting valve and safety
valve should be raised when heating begin to make cold air in sanitizing cylinder go
out; when temperature inside is more than 100℃(pressure 0.05MPa),and when rapid
steam jet out, restore the hats of the two valves to original.
5. Cooling：When finishing sterilizing, turn off power first, and then open the vapor
valve and the lid when the reading of pressure gauge turns back to zero after cooling.
Be cautious to not open valve to safety valve with tube or open the lid as soon as
finishing satirizing, to avoid seething lotion overflowing which may cause accident.
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Different Materials Sterilization Time & Pressure & Temperature
Object
of
sterilization
Time
For
temperat
ure
holding(
min)
Steam pressure
(gauge pressure)
Relative
temperature
of saturated
steam
MPa
kgN/cm2
ponud/in2
Rubber
15
0.11
1.1
16
121-126℃
Dressing
30-45
0.105-0.14
1.05-1.4
15-20
121-126℃
Utensil
15
0.105-0.14
1.05-1.4
15-20
121-126℃
Instrument
10
0.105-0.14
1.05-1.4
15-20
121-126℃
Bottled
solutions
20-40
0.105-0.14
1.05-1.4
15-20
121-126℃
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