1.Before the operation, put on work clothes and work shoes, wear gloves and a dust mask.

2.Opening the oven（microwave oven）:

2. Furnace should open before opening ventilation, check whether the tightness of the furnace door, the boat inspection system, solenoid valves, cooling systems, temperature control, etc. are normal or not, and thus putting two empty boats with a high temperature area for 2011-12 Temperature Measurement;

2.2.Close the door, after a period of time to do send hydrogen detonating test tube to take gas, furnace air drained after determining, first open the cooling water, and then lit two hydrogen outlet, adjust the hydrogen flow and check the furnace gas again tightness, leak closed with refractory clay;

2.3 .Notification duty electrician transmission warming. After a power gradual warming, you can not skip a grade or a lack of time to adjust current and voltage. Open the bottom drain valve shall be a period of time after the oven, and remove moisture in the furnace;

2.4 Ovens process should always check whether instrumentation, cooling water, hydrogen flow rate, etc. are normal or not;

2.5 . Furnace temperature measured with an optical pyrometer from the door should be 0.5 meters above the stove to prevent shelling wounding;

2.6 Began to push the boat to reach the process temperature, the first three can push the boat after the boat according to the process normally shirk.

3. Shutdown the furnace under normal circumstances : cool the material after the feed zone by boat over temperature with power , push the boat to stop after the boat out, until the furnace temperature to room temperature after stopping hydrogen and cooling water.

4. Shutdown the furnace under unusual circumstances:

4.1 Tube rupture subsidence: cool off immediately after the furnace cooling material boat by boat unloading close the door, blocked the stove with wet asbestos hydrogen outlet hydrogen valve closed until the oven temperature to room temperature after stopping the cooling water ;

4.2 .Two belts molybdenum wires fuse: Notify electrician confirmed, pull down the gates and continue into the empty boat, cooling the discharged material by boat after furnace , not carbonized good material dealt with separately. After the closed door of the boat material, hydrogen gas stove with wet asbestos exports blocked, close the hydrogen valve until the furnace is cooled to room temperature to stop water;

4.3 Furnace tail leaks: close the corresponding cooling water inlet valve immediately according to the technological advance air boat, the boat is too small to be expected with hydrogen by high-temperature zone to cool off, expected to push the boat out of the boat after the stop, close the door, with due emphasis until the furnace temperature to room temperature after stopping hydrogen and cooling water;

4.4 Burner leak: Close burner cooling water inlet valve, push the boat according to the process continues .

5,.Opening the oven door first ignition, prohibit both ends of the door open at the same time, don’t operate facing the door.

6. Stopping hydrogen suddenly if you encounter in the production , hydrogen valve must be closed immediately, close the door, stop shirking material, and hydrogen burner with wet asbestos exports blocked.

7.When the power plant for hydrogen and hydrogen purification normal post blower is stopped, it should open the oven hydrogen through valve immediately and continue normal production. Roots blower should be shut down after operating normally through the valve immediately and adjust the flow rate of hydrogen to the process range. it should be closed without the use of hydrogen hydrogen valve .

8. Every class should clean the on-site environment, and keep tidiness. Industrial equipment, materials should be placed according to regulations.

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