natural gas vacuum fire tube boiler supplier

natural gas vacuum fire tube boiler supplier

Boiler oxygen equipment startup and shutdown procedures, processes 1, check before starting boiler oxygen equipment (1) confirm the vacuum pump to start licensing conditions are met, Steam Turbine Shaft Seal has been put into operation, the shaft seal pressure is normal. (2) the vacuum pump running from the DCS screen, check the vacuum pump inlet, gradually increase the negative pressure, an inlet pneumatic valve opens automatically. (3) Check the pump motor starting current time and the return to normal, bearing vibration, moisture separator and exhaust normal level. (4) Check the plate heat exchanger is working properly, the vacuum pump sealing water inlet temperature is normal. (5) by the same procedure, the other two in turn starts the vacuum pump. (6) When the vacuum unit normal, disabled, according to a vacuum pump for backup. (7) can be put into the system to start the vacuum pump started using function group. 2, the step into the deaerator (1) confirm the deaerator electric door starts exhaust, continuous exhaust bypass valve in an open position. (2) When the condensate system rinse qualified, open the door deaerator drainage wash, rinse deaerator Sheung Shui. (3) eliminates the oxygen water quality standards, the water level dropped -900mm, close deaerator drainage flush door. (4) administration deaerator auxiliary steam heating, to turn on the auxiliary deaerator steam isolation tone front door slowly open auxiliary steam pressure control valve to the deaerator, the deaerator feed water control temperature of not more than 4.26 ℃ / min, Note that during heating deaerator vibration, such as when a large vibration, the heating rate should be slow. (5) heating process deaerator administration, continue to use the deaerator Sheung condensate pump to the normal level. (6) When the temperature reached 100 deaerator deg.] C, the exhaust start off electric gate, the auxiliary steam to the deaerator into the automatic pressure regulating valve, check deaerator temperature of not more than 4.26 ℃ / min, deaerator pressure gradually rose to 0.147MPa. (7) auxiliary steam heating process, the water level should be controlled deaerator, vacuum is not established as the condenser, the overflow inhibited from opening, the electric drainage valve to the condenser. (8) the condensate system startup, if necessary, administered deaerator water level adjustment automatically. (9) when the four pumping pressure reaches 0.147MPa, check oxygen pressure, the water level is normal, open to four extraction electric valve deaerator, the deaerator cut four auxiliary steam for the steam extraction, auxiliary steam to the deaerator pressure regulating valve is closed, the deaerator by the constant pressure operation becomes sliding pressure operation. (10) when the extraction four electric valve check valve has been opened, four extraction check valve to the deaerator before the electric air trap closed. (11) continuously adjusting the electric door exhaust deaerator feed water under oxygen. 3, how the boiler deaerator outage (1) when the load is less than 20% of the rated load, the four drawers deaerator steam heating switching supplemented to maintain constant pressure operation 0.147MPa. (2) When the generator is stopped, as the case may decide whether to stop the deaerator Sheung. (3) If the outage deaerator more than two months, it should be used to protect the nitrogen, cut off all the steam source, water, water tanks exhausted than water, close the drain valve, the isolation comprehensive total nitrogen door open doors and isolation of deaerator nitrogen and maintain a certain pressure.

Beiqi Panthers in the car to communicate with the company, expressed full confidence in our company, cooperation is very smooth. Since the boiler departure two years, our technical staff has been concerned about the relevant boiler operation through remote monitoring system to provide strong and stable technical support services for the Beijing auto Panthers. --customer feedback

Fuel used in oil and gas boilers

As the name implies, oil and gas boilers refer to boilers whose fuel is gaseous fuel or liquid fuel. The oil and gas boilers produced by ZG boiler have wns series oil and gas boilers, szs oil and gas boilers, vacuum hot water boilers and oil and gas power station boilers.

How water steam boilers operate normally do? Steam boiler design are generally employed in three return, wet back, eccentric furnace, boiler structural asymmetry in different forms will have its own unique characteristics and operating modes. It has its own certain operating principle. Some recent abnormal weather, snow days is not haze, then, in this weather, water steam boiler how to run it properly? Water steam boiler and a double pipe with a single tube, is usually the case. And the suction pressure of several type, the more suction applied single-tube, by the housing, the steam nozzle, water nozzle, check pad, the exit nozzle and the mixing nozzle of several components. Simple injection operation, facilitating means. Suction head of 2 meters, temperature does not exceed 40 ℃. When need to open the first water steam boiler steam valve a little, so that a small amount of water vapor into the device, vapor discharged from the nozzle, near the mouth of the vapor with the vapor into the air, with the overflow discharge valve, a vacuum is formed within the water, a water tank by atmospheric pressure by the suction pipe into the water injector. Increase the degree of opening of the steam valve, large amounts of steam into the mix mixing mouth with water. Mixed water vapor kinetic energy obtained at high speed into the nozzle. Since the nozzle diameter is gradually expanded, mixed water to slow down, the pressure increased to greater than the pressure within the drum, the drum into the valve open. Steam boiler at the same time we must pay attention to it on a regular basis take care of themselves. These are the processes related to operation of steam boilers small series to introduce you in the operation of the water injector and methods.

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