Industrial Three Pass Diesel Oil Fired 4 Ton Steam Boiler

What problems should be paid attention to in maintenance Electric normal pressure Boiler

Nowadays, advanced electric atmospheric pressure boilers need to be used in industrial production as well as in daily life. However, the electric atmospheric pressure boiler is a highly operational mechatronics equipment, such as customer inspection, maintenance is not timely will result in equipment line aging, equipment oil circuit and oil pump wear and so on. Therefore, users need to pay attention to the maintenance of equipment when running boilers, then, what problems should users pay attention to in the maintenance of electric pressure boilers with good performance?

1, pay attention to stop furnace detection electric atmospheric pressure boiler in the maintenance, users should let the equipment according to the normal shutdown procedure operation to achieve slow cooling, at the same time, Users should use pot water circulation and furnace ventilation to gradually reduce the temperature in the pot and furnace. It is worth noting that when opening the door hole of the equipment, users need to pay attention to preventing the burning of steam, hot water and flue gas in the boiler.

2, note that when users maintain the insulation, the combustor and flue of the detected atmospheric pressure boiler should be separated from the total flue or the other running boiler flue. The test results are as follows: (1) the combustor and flue of the tested atmospheric pressure boiler should be separated from the main flue or other running boiler. And the flue gate should be closed tightly, and in the partition after ventilation. In addition, the blind plate used in equipment partition should have sufficient strength and hardness to avoid being bulged by high pressure medium in the operation of electric normal pressure boiler, and the partition position should be clearly indicated to avoid confusion.

3, note that the user must completely cut off the connection pipe between the vessel and the gas equipment, especially to the combustible and toxic medium equipment before the inspection of the atmospheric pressure vessel is carried out by the user of the equipment container. In addition, the equipment container not only needs to close the equipment valve, but also needs to use the blind plate of the equipment to close the valve so as to prevent the gas leakage into the container and cause the fire explosion or poisoning accident of the valve so as to cause the combustible or toxic gas to leak into the container.

10 tons of gas turbine industrial three pass diesel fired 4 ton steam boiler burner it currently requires 10 tons of steam gas boiler steam boiler there are two types WNS10-1.25-Q SZS10-1.25-Q, and two kinds, i.e., three horizontal wet return back structure and vertical type double drum "D" type arrangement quick water tube boiler. It consists of upper and lower drum, membrane wall, superheater, economizer and convection bank composition, the burner disposed on the front wall, the fuel combustion in the furnace, the flue gas through the first convection bank, superheater, a second convection economizer tubes and into the chimney. 10 tons of gas boiler burners have split and one-piece points, integrated burner fan I see are axial fans, centrifugal fans with split, 90% of the 10 tons of gas boiler burner all-in-one, as to form two burner what a good way, this has yet to be explored. SZS10-1.25-Q has the following features in gas boiler: The product has the following characteristics: ⑴ This double boiler drum "D" type arrangement, a compact, small footprint, good flame fullness. ⑵ boiler lower support mode can be free to expand upwards. ⑶ using membrane wall furnace wall structure which reduces maintenance work and use of refractory bricks. This boiler ⑷ fender an airtight closed welded structure, good sealing furnace wall; outer layer of pressed boards, appearance, beautiful. ⑸ this boiler furnace inspection hole is provided for the use, maintenance provides a great convenience. Roof has explosion-proof doors. This quick ⑹ boiler structure can effectively shorten the installation cycle. ⑺ high thermal resistance material as a heat insulating layer, good insulation properties. ⑻ economizer arranged tail, can effectively control the exhaust gas temperature, high thermal efficiency of the boiler. ⑼ whole boiler steel holder on a strong base, convenient installation and transportation. ⑽ boiler heating surface has a surplus, soft drinks and large enough space to ensure the stability of the boiler parameters. ⑾ using automatic burner, combustion efficiency and an ignition control program and overpressure, flame protection. ⑿ continuous electrically adjustable water supply, and having a low water level alarm, the protection function chain. ⒀ using spray desuperheater, sensitive temperature adjustment, temperature control large amplitude. Second, the structure Introduction boiler 1, the main evaporation rated specifications: D = 10t / h of superheated steam temperature: t = 300 ℃ superheated steam pressure: P = 1.25MPa water temperature: tgs = 20 ℃ (except normal saline) boiler efficiency: η = 92.6% exhaust temperature: tpy = 136.3 ℃ desuperheater tYPE: hydrostatic pressure test boiler desuperheater spray: 1.75 MPa number of valve: drum 2 PN2.5, DN80 full open spring valve overheating an outlet header PN2.5, DN50 full open spring valve design of the fuel: 0 light diesel oil (Qydw = 41870kJ / kg); consumption 749.9kg / h of natural gas (Qydw = 37060kJ / Nm3); 847.3 consumption Nm3 / h

Thirteen Five release plan indicates that China's move towards green development pace firmer, Beijing SASAC Building Materials Service Center from its start, the use of green boiler heating for low nitrogen as the primary task before the onset of winter. SAC Building Materials authorities after preliminary investigation and after the screening, the other fast boiler R & D experience in the field of boiler cleaning two decades expressed appreciation can, in August 2017 signed a five Thalia T6 series one boiler and two vacuum with fast Boiler condensing gas boiler products contract.

Dry: six gas-fired boiler safety procedures (hot water + steam) stage, the purchase of gas-fired boiler more and more users, in many industries, such as oil exploration, hospital disinfection, chemical production, wine feed, and so on. But many users initial contact with a gas boiler told us how to get started quickly boiler operation is not clear. First, all personnel must be familiar with the operation of the boiler boiler performance and safety knowledge, certificates; this non-job employees Never operate. Duty personnel should strictly follow the regulations, do a good job operating records and shift recording, the security situation should shift equipment and run tests, carried out. When the shift to check the boiler is intact. Second, purchasing, installing, or before the initial operation of the boiler, the boiler and safety accessories must conduct a comprehensive inspection, inspection and determined within the validity period to start. Third, Kai furnace ready to check the gas pressure is within the normal range of values, not too high or too low; check whether normal pump Sheung Shui, if unusual you need to open the purge valve until the Sheung Shui so far. Open the door of each section Water Supply System (including Sheung Shui before and after the festival gates pumps and boilers); check the water level, the water level should be in the normal position, the water level gauge, a water color need to plug in the open position, to prevent false water level, if missing water can be manually Sheung; check valves on the pressure pipe, must be opened, the wind deflector must all flue opening; each knob inspection control cabinet are in their normal position; industrial three pass diesel fired 4 ton steam boiler check valve is in the normally closed state, heat water boiler circulating pump outlet valve should be turned off; check water softening equipment is operating correctly, soft indicators of compliance with national standards. Fourth, Kai furnace run time 1, steam boilers Open the power to start the burner; check manholes, hand holes around the flange and valve leaks will be tightened, if there is still leakage after tightening occurs, you need to immediately stop maintenance furnace; l when the air pressure 0.05 ~ 0.1MPa, replenishment, sewage, water supply systems and sewage screening test device while flushing water table; when the pressure was raised to 0.1 ~ 0.15MPa, rinsed trap gauge; pressure was raised to 0.3 MPa, the "fire load / small fire" knob to "fire" to strengthen the combustion; 2/3 when the air pressure was raised to the operating pressure, start warming air supply tube, slowly open the main steam valve, to avoid water hammer; out when the drain valve when steam is completely close it; after all drain valve closed, slowly open the main valve to open, and then half a turn; "burner control" knob to "Auto"; level adjustment: adjusting the water level (according to the load manually when to start and stop the pump), low load level should be slightly higher than the normal level, high load level should be slightly lower than the normal level; steam pressure adjustment: adjusting the combustion load in accordance with (manual adjustment fire / small fire) determines combustion conditions The flame color, smoke color determination condition atomisation air quantity and exhaust gas temperature observed concentration chimney, the best change in the combustion temperature to be adjusted according to the combustion. 2, start the circulation pump hot water boiler; startup burner; 15 minutes after start, "" fire load / small fire "spin-bit color button to" fire ";." Burner control "knob to" Auto "five, normal stop 1 furnace, hot water boilers' fire load / small fire "knob to" small fire "; off the burner; close the fuel supply valve; closing dampers; boiler after the temperature dropped to 50 ℃, the pump outlet valve closing cycle ; .2 circulation pump is stopped, the position of the steam boiler "fire load / small fire"; Close combustor; steam pressure drop when the sewage to 0.05-0.1MPA; closing the main steam valve; manual replenishment to the higher level; Close valve; Close supply valve combustion; closed dampers; six off the main power, an emergency shutdown, the steam boiler main steam valve closed; off the main power; 2, boiler water boiler inlet and outlet valve closed; opening the emergency valve and the emergency discharge replenishment valve; off the main power switch; notification superiors.

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