The gas water heater has a very high usage rate in autumn and winter. It has high thermal efficiency and can be used immediately. The water output is fast, the water temperature is high, and there are a large number of users. However, the safety of gas water heaters is a problem we have to consider. Taking the correct method to use gas water heaters can also greatly extend the service life of water heaters. So what should be paid attention to when using gas water heaters? How to use them is the safest? Follow the small series to find out how to use gas water heaters most safely.
1. The water heater should be installed in the kitchen. It is strictly forbidden to install in the bathroom. Users are not allowed to dismantle, change, move or install it. In-line gas water heaters were banned from production and sales in 1999;
2. The room where the water heater is installed should have ventilation conditions to prevent carbon monoxide or other toxic gases from poisoning.
3. Before each use, check whether the window or exhaust fan of the room where the water heater is installed is open and the ventilation is good.
4, the time of continuous use of water heaters should not be too long; once there are headaches, dizziness, nausea, vomiting, palpitations, limb weakness and other symptoms should immediately open the doors and windows, so that the room is ventilated.
5. Flue-type and strong-discharge water heaters shall not be used if they are not installed.
6. When the water heater has yellowing, smoking, or irritating odor, stop using it and carry out maintenance;
7. When the water heater appears “air-burning†(the main burner is still burning after not opening or closing the water), it should be stopped immediately and repaired;
8. When the water heater has abnormal conditions (fire, deflagration, water leakage, air leakage, noise, vibration, etc.), immediately close the gas valve and water valve;
9. After using the water heater for a period of time, it is necessary to ask the professional to check and carry out targeted maintenance;
10. The service life of natural gas water heaters is generally 8 years, and should be replaced in time.
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Label: Electrical use: How to use the most safe gas water heater
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Graphite Electrode, mainly in petroleum coke, needle coke as raw material, coal tar pitch as a binder, calcined, ingredients, mixed kneading, pressure, roasting, graphitization, machining and made in the arc furnace in the form of arc The energy can be divided into ordinary power Graphite electrode, High Power Graphite Electrode and Ultra High Power Graphite Electrode according to its quality index.
Graphite electrode transport
1, graphite electrode in the long-distance transport to be covered with anti-rain Pengbu.
2, with lifting machinery unloading wooden box packaging electrodes, you must use the wire rope, not directly hook the electrode steel packing belt for lifting.
3, in order to protect the electrode end and thread, not directly with hook hook electrode hole hanging electrode.
4, loading and unloading joints box, you should gently take to prevent damage to the thread.
Second, the graphite electrode storage
1, the electrode should be stored in a clean, dry place; temporarily do not use the electrode and connector, do not remove the packaging, to prevent dust, debris fall into the thread or electrode hole, affecting product docking accuracy.
2, open field stacking electrodes, must be covered with rain pants. In the case of
3, the electrode in the Treasury storage to be placed neatly, the electrode stack on both sides to pad well, to prevent the cartoons.
4, bulk electrode stacking height is usually not more than 2.8 meters, the height of the box electrode should not be more than 4 layers.
5, the temperature of the place where the joints should be stored should not be too high to prevent the asphaltene joint bolt melting.
Third, the graphite electrode connection operation
1, by the wet electrode, before use to dry.
2, remove the spare electrode hole on the foam protective cap, check the electrode hole thread is complete.
3, with no oil and water compressed air cleaning spare electrode surface and hole thread; to avoid the use of wire or metal brush cloth cleaning.
4. Do not touch the threads in the electrode holes where the joint is carefully screwed into one end of the backup electrode (it is not recommended to insert the connector directly into the electrode that is replaced on the furnace).
5, the electrode spreader (recommended the use of graphite material spreader) screw into the other side of the electrode electrode electrode hole.
6, lifting the electrode, the mat soft objects to the bottom of the alternate electrode assembly to prevent the ground to break the joints; with a hook into the spreader after the lifting ring, lifting the electrode to be smooth, to prevent the electrode from the B-loose Off or collide with other fixtures.
7, the spare electrode hanging to the top of the electrode to be connected to the electrode hole slowly after the fall; rotating the backup electrode, so that the screw hook and the electrode with the rotation down; in the two electrode end distance 10-20mm, again with compressed air Clean the two ends of the electrode and the exposed parts of the joint; in the final complete discharge of the electrode, not too much, or because of violent collision, will lead to electrode holes and joints of the thread damage.
8. Tighten the backup electrode with a torque wrench until the ends of the two electrodes are in close contact (the correct connection of the electrode and the connector is less than 0.05 mm).
Fourth, the graphite electrode in the use of the precautions
1, the electrode holder should be caught in the top of the cord outside the cordon, otherwise easily lead to electrode break. The contact surface of the gripper and the electrode should always be cleaned to maintain good contact with the electrode, and the gripper cooling water jacket should be kept leaking. In the case of
2, the electrode connection found cracks exist to identify the cause, to eliminate the gap before use.
3, connecting the electrode, found that the phenomenon of joint peeling off, to fill the joints and then connect the bolt.
4, the electrode should be used vertically, to avoid tilting operation, in particular, can not be connected to a group of electrodes placed horizontally, so as not to break.
5, to the furnace into the charge, the bulk material should be installed near the bottom of the furnace to reduce the collapse of the large pieces of charge impact electrode.
6, smelting, should avoid a large number of insulation material stacked in the electrode just below, so as not to affect the use of electrodes, or even electrode break.
7, the electrode in the rise or fall, should avoid touching the lid, resulting in electrode damage.
· 8, in the smelting site, to avoid slag splashing to the site of the electrode or connector threaded buckle, damage the thread accuracy.
Graphite Electrode
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