Steam boilers are mainly used in industrial enterprises, and the steam quality required by each type of enterprise is different. Some requirements are not high, others are very demanding, and steam boilers must meet the thermal efficiency and steam quality required by customers. Does not affect production and production costs, and even improve economic efficiency. So how do you improve the boiler steam quality?
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In ZG Boiler, the quality management center is the supervision and management center of the company quality management system. The inspection department is mainly responsible for the quality control and product quality inspection during the product manufacture period. We make sure each boiler we sales is 100% A-class product.
Steam-water separation is one of critical process in the steam boiler system especially in steam drum. Steam is usually installed in steam generators and high pressure boilers. The principal purpose is to allow for separation of saturated steam out of the mixture of steam-water and then goes to superheater for next process.Online chat
Steam drum is a collection vessel for steam & water. Here water & steam is separated. It has steam separators. Steam goes from top side to superheater & water goes from the bottom through down comer Mud drum, then to furnace bottom ring headers (bottom of furnace water wall).Online chat
The primary superheater is the first heater that is passed by steam after the steam comes out of the steam drum. After the steam is heated on the super primary heater, eating steam will be passed on the secondary superheater to be heated again. So on the secondary superheater steam formed is the hottest steam among the others. Steam from theOnline chat
Huadong Boiler has been specializing in producing custom boiler components for 34 years since 1985. Our boiler components have been used in industrial steam generators, steam boilers, hot water boilers, electric steam boilers,steam pressure reducing stations, etc. Shown below are some boiler accessories we ever made.Online chat
There may be 2 reasons; 1. One S.V is operating and other is spare. Just see the P&ID, if manual valve installed at the inlet line of any one S.V is closed (CSC or LC), then it is spare.Online chat
Start studying Unit 12 - Chapter 53 - Watertube Boilers. Learn vocabulary, terms, and more with flashcards, games, and other study tools.Online chat
Superheater tubes often show the same swelling or enlargement effect. In such instances, steam flow has been restricted for some reason, leading to overheating and eventually to failure. Acidic Attack. Acid attack of boiler tubes and drums is usually in the form of general thinning of all surfaces. This results in a visually irregular surfaceOnline chat
Jan 01, 2013 · Even the application of the Code Jurisdictional Limits for Piping Drum Type Boilers to steam systems in ethylene heaters can be problematic, because the language of the section is clearly intended for a conventional boiler. Most engineers agree, and several U.S. state boiler codes require that the steam drum be designed to ASME Section 1.Online chat
If the drum valves were set to open first, this would have the effect of starving the superheater of steam flow with the associated risk of rupture. Inspection of Steam Drum. A sketch of a typical steam drum showing the internal and external fittings and components follows and should be used along with the inspection notes. As we seen in theOnline chat
Superheaters. Superheaters usually consist of several banks of tubes with various arrangements. Steam from the drum passes to the superheater platens, where it is heated above its saturation temperature until the maximum required operating temperature is achieved. The superheated steam then finally flows to the high-pressure turbine.Online chat
axis of boiler expansion. SATURATED STEAM LINKS The link piping between drum and superheater can be very well supported from the top waterwall header. This is practical for top supported Superheater headers. For horizontal Superheaters the links should be supported properly allowing expansion movement. Constant load hangers or variable springOnline chat
Water is distributed from the steam drum to the lower drums and headers by pipes called downcomers. Generated steam is also collected and is separated from the water in the steam drum. Boilers are also equipped with safety valves to relieve excessive pressure. The valves are located on the steam drum and superheater outlet.Online chat
A steam drum is a standard feature of a water-tube boiler.It is a reservoir of water/steam at the top end of the water tubes. The drum stores the steam generated in the water tubes and acts as a phase-separator for the steam/water mixture.Online chat
Aug 14, 2018 · Boiler design directly influences steam purity. Design factors affecting carryover include design pressure, steam drum size, design steam generating rate, circulation rate, and type of mechanical separating equipment used. Operating characteristics also directly influence steam purity.Online chat
Boiler Set Safety Valve selection Valve Valve Set Pressure Temp Capacity % of Total Location Size Model (PSIG) (F) (Lbs/Hr) Capacity Low Set Drum Safety Valve 2-1/2 K2 6 HE-86 2190 PSIG Sat. Steam 274,145 Lbs/Hr High Set Drum Safety Valve 3 M 6 HE-86 2254 PSIG Sat. Steam 401,428 Lbs/Hr Total Flow thruTotal Flow thru 675,573 83.1% Drum SVsOnline chat