High Pressure Horizontal Centrifugal Multistage Pump for Boiler

The monthly depreciation rate of 10 ton / hr of the gas hot water high pressure horizontal centrifugal multistage pump for boiler = ÷ 9.5% 12 = 0.79%.

The monthly depreciation 10 tons / hour gas hot water boiler = 0.79% * 500,000 = 3950 yuan.

Cause damage specific analysis WNS steam high pressure horizontal centrifugal multistage pump for boiler 1, a steam boiler WNS Reasons for lack of water subsidence area, i.e. corridor above the flue gas and a convection tube on the bottom of the drum is always in a high temperature superheated state, the sheet-like portion pearlite-temperature regions of the material will globular pearlite gradually change, phase change results in accelerated creep rate, and decrease the rupture strength, severe over-temperature regions of the material is overheated, the grains of austenite and rapid up, tensile strength abruptly decreases, the inner drum steam pressure causes plastic deformation of the film occurs region, gradually collapse. Partially collapsed scale is iron in steel at an elevated temperature with an oxidizing medium synthesized FeO. Outermost layer of oxide is Fe2O3, is a central Fe3O4, and a metal oxide layer at the junction FeO. Decarburized layer is a high temperature steel decarbonization formation. 2, the causes of boiler tube WNS convection tube connecting the steam drum in the form of a plug-side welding, force is weakest region. Length superheat temperature continues to rise so that the wall strength of the material resulting in a continuous decline. Is generally considered to be higher than 200 ℃ steel significantly reduced elastic modulus exceeds 300 ℃ steel yield strength starts to drop. When the temperature of the steel reaches 350 deg.] C or higher, decrease in yield strength at room temperature to yield the desired strength of 2/3 or less, the maximum temperature of the steel 20 450 ℃. When approaching Griddle boiler, the convection wall temperature far exceeding its maximum temperature, the pressure pot under the action of convection and Tube yielding occurs, and because the hoop stress axial stress is 1/2, the spout in the circumferential It is pulled into an oval shape. Finally, longitudinal cracks take over the angle generated between weak parts in the region of the weld structure and apertures along the bridge. The cracks in the tubes and pipes leak and cause a lot of soda unusual noise, which was discovered by the stove staff.

Hefei Limin Pharmaceutical Co., Ltd. Nanjing Military Region, formerly the backbone of pharmaceutical companies, the main drug is slowly swallow rather teabag, relying on advanced R & D platform to carry out contract manufacturing, OEM OEM and other business cooperation. China's environmental protection development trend began to take shape, many environmental policies have been put forward for a positive response to the national environmental policy, Limin Pharmaceutical decided to introduce a gas station steam high pressure horizontal centrifugal multistage pump for boilers. After an investigation of the boiler market, Limin Pharmaceutical fast boiler is strong comprehensive strength and wealth of experience working for many years in the pharmaceutical industry to attract, party fast according to the actual needs of customers for its recommendation of one of Taiwan 4 tons of steam condensate gas-fired steam boiler (WNS4-1.25-YQ).

Steam high pressure horizontal centrifugal multistage pump for boiler precautions Henan fast boiler company to introduce small series with common faults and preventive measures with the approach of steam boilers and steam reciprocating pump 1, the steam boiler room near the venue to be equipped with adequate and effective fire-fighting equipment. 2, steam boiler room must have staff on duty 24 hours, the guards take turns, always check the water level in the boiler, ensure more safety line, to prevent dry cause an explosion. Hot as in explosive workplaces, must obtain a hot work permit, and fire precautions to spare before hot work, to let someone on duty when the flare, flare up at any time to observe the situation. 3, non storage container filled with flammable gas in the boiler room. 4, steam boiler room staff must be certified, and proficiency in operating boiler technology, with some discovery and cognitive abilities of security risks. 5, in accordance with the instruction manual boiler boiler safety inspection on a regular basis, careful investigation should be checked every insecurity. 6, the distribution line is provided a steam boiler room need to wear a metal tube or unfired hard plastic protective tube, separately installed outside the switch box in the boiler room, so that people from off to prohibit the use of defective fuses. 1. What is the reason no steam reciprocating pump is discharging liquid? How to exclude? A: (1) failure reasons: ① suction or discharge line plugging. ② inlet and outlet valve of sticking. ③ air cylinder. ④ suction line connected lax. ⑤ column (live) piston ring severely damaged. (2) to exclude methods: ① purge line blockage. ② Clear inlet, outlet valve Nei Kasai thereof. ③ filled with water, air drain. ④ tightening pipeline. ⑤ replacement column (live) piston seals. Henan is committed to fast boiler steam boiler manufacturing, product quality, reasonable prices and widespread industry praise, if you have any needs, please contact us!

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