When the fired industrial steam generator manufacturers water level below the minimum water level, water level gauge color as a color indication of all gas. No low water level alarm and low water level alarm occurs. At this low level interlock device startup, suspend the operation of the motor. A sharp increase superheater steam temperature, higher than the normal outlet temperature of the vapor. Boiler exhaust gas temperature rises. Steam flow is less than the feedwater flow, when Ruoyin Economizer tube or hose rupture so that the water, water should be added to the emergency.
Electric heating steam boiler water level gauge how to deal with each calibration level indicated correctly judge whether the fired industrial steam generator manufacturers dry biomass. Biomass can not be determined in a steam generator or water when filled with water, turn on the water faucet water level gauge can be opened, if not pan out the water, indicating water shortage accident, otherwise it is full of water accidents. For the embodiment allows a small biomass called water steam generator operation, water may be first called, the steam generator is determined biomass mild or severe water shortage. This only applies to the water level gauge water hole communicating tube heating surface is higher than the highest water capacity and larger circles fire biomass steam generator. Otherwise it can not be called biomass steam generator water, because it will delay the time of the accident biomass steam generator water treatment, the worsening of the situation. When the steam generator slight dry biomass, should reduce the fuel and air, reduced combustion, biomass steam generator and the water slowly to the normal level. Typically by adjusting a valve opening degree and the size, to control water flow rate and water, being careful not excess water. To quickly identify the cause of water shortage in the water and remove the process, and then examine biomass steam generator there is no abnormality, the following confirmation before they can resume normal biomass steam generator operation. When biomass steam generator severe water shortages, the need for emergency fire fighting shutdown. The fire shutdown procedures according to the method of implementation of the emergency shutdown, is strictly prohibited water to the pot and when serious water shortages. Some fireman personnel after the discovery of the steam generator water shortage in raw materials, the use of intermittent water several times, each time a small amount of water replenishment way to cover up the accident biomass steam generator. This practice is very dangerous. If biomass steam generator water not too serious cause biomass boiler leaks. If biomass steam generator can cause serious water shortage biomass steam generator explosion. Only the steam generator biomass and natural draft cooling pot temperature dropped to below 70 ℃, water only slowly.
Works steam boiler steam boiler structural characteristics: 1. Heat generated in combustion of coal is first absorbed water wall heat transfer by radiation, boiling off the water wall, a large amount of steam (excluding DC furnace) inside the drum, separated saturated steam enters the superheater, and by radiation and convection manner continue to absorb top horizontal flue heat and smoke flue tail, the superheated steam to reach the required operating temperature. Steam boilers for power generation is usually provided with a reheater, to a high pressure steam heated cylinders. Reheat steam reheaters into the low-pressure cylinder continue to work to generate electricity. 2. pulverized coal work, the location of the center of the flame will affect evaporation. Generally, when the center of the flame is low, a large amount of evaporation, and when the high center of the flame, a small amount of evaporation. Also affects the position of the center of the flame superheated steam or reheat steam temperature. Normally, when the center of the flame is low, superheated steam, in particular steam reheating temperature to be low, and the temperature of the superheated steam is high. 3. Pulverized Coal Burner front and rear walls is arranged a thrust manner, tangential firing mode, bis tangential firing methods, each method has its own characteristics. Biomass boiler is a kind of boiler to biomass energy as a boiler fuel called biomass boilers, steam boilers into biomass, biomass hot water boiler, biomass stove, biomass thermal oil heaters, vertical raw biomass boilers, biomass boilers and other horizontal. Since the above-described arrangement can not be applied in the same furnace at the same time, the influence of steam can not be directly determined. Steam boiler structural characteristics: 1, the steam boiler body welding: the main welding using submerged arc welding technology advanced, to ensure the welding quality. There are heating and hot water boiler bath for two purposes. Hot water boiler by circulating hot water circulation pump hot water holding tank, the tank hot water heating cycle can be achieved bath object; hot water boiler by circulating hot water circulation pump heating conduit, through the heat sink (radiator) people can achieve heating requirements; hot water boiler and hot water circulating pump with heat exchanger can be achieved bathing and heating dual function. All welds are main as required "safety Technology supervision standard", 100% ray detection electrode according to the eligibility criteria Ⅱ. 2 is a horizontal steam boiler combustion all wet back three-loop structure. 3. The steam boiler front smoke box is sealed asbestos refractory material made of graphite. The reliable seal, ensures that no leakage of steam boiler flue gas at positive pressure conditions. 4. Thread flue: fired industrial steam generator manufacturers secondary regenerator flue threaded convection heating surface, contribute to the efficient heat transfer. Enhanced heat transfer, thermal efficiency of the steam boiler, a single light pipe threaded pipe or 2.4. When the fluid flows in the tube, the flow rate of the fluid near the wall is low, the fluid on the wall boundary layer is called. In several of the flue gas duct in the outer aqueous series resistance, the maximum thermal boundary layer, but the boundary layer is very thin, as long as the boundary layer is slightly perturbed, such as by pressing on a common wall of the boss, the thermal resistance will be greatly reduced, while an effective method which is threaded pipe. 5. To make the system more energy efficient, using a continuously adjustable water supply, avoiding frequent start the pump. Between the second and the third pivot smoke tubes have a broad space for water, in order to ensure natural circulation of water in the pot.
To further reduce emissions of air pollutants and improve air quality of the environment, the Shanghai Municipal People's Government Office issued the "Opinions on accelerating the transformation of the city mentioned standard boilers of small and medium" (hereinafter "Opinion"), to accelerate the introduction of Shanghai City small boilers mentioned standard transformation respond positively.
Before the end of 2018, the district in conjunction with boilers and industrial distribution block, complete the development and revision of the Gas Pipeline Network Planning in this area. City, district authorities, according to the unit Gas Pipeline Network Planning and excavation plan, speed up the construction of natural gas pipeline network.
Variety of boiler fuel to replace natural gas, natural gas pipeline network (municipal pipe network to users outside the red line pipe) 50% of the cost of laying borne by the gas company; the remaining 50% by the district government and users each pay half, and encourage qualified district to provide more support. On the outskirts of the gas pipeline construction is temporarily unable to reach enterprises in the region, while ensuring security compliance cases, it can be in the form of non-natural gas pipeline, and implement an orderly transition after the completion of the pipe network. Encourage alternative gas supply business enterprises to provide gas price discount for the gas boiler.
10KV for the implementation of alternative electric boiler, 35KV and other business expansion project, to which the power supply capacity of the electrical part of the boiler, according to the city's non-resident business expansion project quota standards, engineering fees charged by half.
Environment departments to strengthen law enforcement and inspection of boiler units, fuel use, operation and maintenance, equipment maintenance, inspection, non-functioning facility once found, according to the law severely punished; at the same time, strengthen supervision and monitoring, if it is found excessive emissions, according to law strict punishment.
Boiler units and boiler mentioned standard transformation service units bear the main responsibility for the boiler safety issues involved. Site construction unit must have the appropriate boiler manufacture or installation (reconstruction) qualification, boiler commissioning personnel must have the appropriate special equipment operator certificate. Prior to the construction site mentioned standard boiler units to implement the transformation, boiler location should be informed in writing of special equipment regulatory authorities.
The district government is the responsibility of the main boiler to mention the transformation of the standard, according to the "ground principles" to promote the transformation of the boiler. Combined with the actual circumstances of the district reform implementation plan, accelerating the construction of facilities to ensure timely completion of the task of transformation, to ensure that policies and financial support in place.
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