Horizontal Gas or Oil Fired hot water Boiler

Horizontal Gas or Oil Fired hot water Boiler

To further promote the comprehensive management of coal-fired boilers, Jincheng City, Shanxi Province, according to "Jincheng Blue win the Battle of three-year action plan" requirements, plans to complete 109 units of 10-20 tons of steam "small coal-fired boilers" within this year the phase-out, at the same time, Jincheng will start working out of 35 tons of steam coal-fired boilers.

This year, Jincheng counties (cities, districts) the environmental sector will urge the relevant enterprises and institutions to eliminate the basis of 10 tons of steam and coal-fired boilers on in 2018 to accelerate the phase-out and 20 tons of steam coal-fired boilers. This year, the city to complete 109 units (10-20 tons of steam boilers) working out of a total of 589.5 tons of steam boilers; at the same time, Jincheng will also speed up the foundation and 20 tons of steam coal-fired boiler out, start 35 tons of steam phase out coal-fired boilers, in principle, within the city's new domain-wide 35 tons of steam coal-fired boilers.

In addition, Jincheng will accelerate the transformation of ultra-low emission. Before the end of September this year, the city will complete 52 units (65 tons of steam per hour and higher coal-fired boilers) coal-fired heating boilers ultra-low total of 4530 tons of steam boilers transformation, and the county (city) built-up area, biomass boilers emissions transformation. After transformation, under condition of the reference oxygen content of 6%, soot, sulfur dioxide, nitrogen oxides emission concentration of these boilers respectively not higher than 10 mg / m, 35 mg / m and 50 mg / m.

Transformation of low nitrogen in the combustion aspect, before the end of October, Jincheng station 610 will complete the transformation of low-nitrogen combustion Total 1940.15 tons of steam gas boiler, after completion of the transformation, the boiler NOx emission will not exceed 50 mg / m.

1: Steam boiler steam pressure the higher the better selection pressure, depending on the user's requirements. Vapor pressure, safety pressure member Advantageously, the energy consumption is low; but the steam will be relatively worse quality, low enthalpy, humidity, may be difficult to meet the disinfection, sterilization, culture, heating and power needs. And the high vapor pressure, energy consumption is high, the corresponding steam equipment, piping and valves the pressure is high, the maintenance requirements are also more, the production of steam, the heat transfer process, a large leakage loss. Meanwhile, high-pressure steam as the steam pressure is increased to carry the increased salinity, so salinity these waterwall tubes, pipe tobacco, and other drum heating surface fouling, overheating, foaming, clogging even increase the possibility of squib. Salt steam to steam turbine flow area will decrease, reducing the efficiency and seriously affect the heat transfer. Thus, fireman must operate in accordance with operation of the steam pressure, the steam pressure fluctuations generally allows a value between 0.05 ~ 0.15MPa.

2: the higher the boiler water level was considered safe water level is higher, the boiler water is not easy, security is also guaranteed. In fact, this is a misconception, the water level is too high, steam and humidity increase, poor steam quality, steam equipment will harm and production results. Industrial boilers, a moisture vapor sterilization or incubation with a large amount of steam also increased salt, or culture for a long time ranging from sterilization, steam consumption increase, ineffective, decreased production culture; weight is not reached the purpose of disinfection or cultured biological products contaminated scrap, even pipes, water hammer occurs apparatus. For utility boilers, steam moisture capacity, the steam turbine last stage blades will be erosion, there may appear Priming pot, water shock severe enough to cause harm equipment and personal safety. Thus, the pot water level should be maintained within a fluctuation range of ± 50mm well.

3: Some people think the better fuel plus fuel plus the more productive the greater the amount of steam. Little do they know too much fuel into the furnace, the effect will be counterproductive. When a certain amount of air and the excess amount of fuel, the furnace will produce a large amount of incomplete combustion, resulting in energy waste. People often see the dark furnace flame, weakness, and black smoke chimney, mostly for this reason. In severe cases, there will be fire pulverized coal, oil furnace secondary combustion occurs, burst pipes until shutdown. Therefore, the ratio of fuel and air volume should be adjusted appropriately, typically by looking at the fire, smoke color look, see table indicates the amount of oxygen determined. When the flame in the furnace as a bright yellow, pale gray smoke chimney to take, stable vapor pressure, wind coal showed appropriate ratio, good combustion.

4: Dial stirring the fire, the better the fire is commonly used in industrial boilers manual method. By stirring the fire, can be eliminated crater, reduction furnace from the fire and the fire bed smooth, homogeneous combustion, strong. But too much stirring the fire, but will reduce the overall thermal efficiency; this is because when stirring the fire, a lot of cold air into the furnace, reducing the average temperature of the furnace section of the flame. At the same time, increase the heat losses, an increase in the number of black smoke chimney, pollution of the environment. In addition, when stirring the fire, the staff is also susceptible to flame radiation, burns, fire-resistant layer is also susceptible to dial hearth fire damaged tools, increased furnace building maintenance workload. Therefore, the fire should be allocated as needed, to minimize the appropriate dial.

5: the bigger the better furnace pressure and furnace pressure is reflected in one of the boiler combustion conditions is normal or not an important parameter. Operating the boiler furnace negative pressure should be maintained between 10 ~ 20Pa, too great a negative pressure results in: increased leakage furnace, heat losses increase; wind increased electrical energy consumption; fly ash increased the wear along the heating surface; reduced the furnace heat of combustion efficiency. Most gas-fired boiler designed to run slightly positive pressure to increase the combustion rate. Operation, the furnace pressure becomes positive, even increasing the wind is still difficult to maintain the chamber negative pressure, said system failure or the wind furnace wall tubes, superheaters and other soft drinks leakage; fire furnace, the furnace pressure is first reflected table violent swing to the negative direction flung head. Therefore, the furnace pressure must be run according to the provisions, or should pinpoint the cause.

6: sewage longer the better spoken here regularly refers only to the sewage discharge rather than continuous blowdown. Periodic sewage mainly refers to the existence of negative bottom of the boiler slag, dirt and corrosion products, reduce furnace tube fouling, prevent clogging and reduce the salt content of the water boiler, heat transfer enhancement effect. One would think that the longer the discharge time, impurities will be discharged bottom of the pot the more, the better sewage, it is not. Sewage long time, a waste of a lot of heat, affect heating steam pressure; two pairs of boiler water circulation unfavorable, water wall tube burst will occur in severe cases. Thus, the sewage must be periodically according to "ground discharge, the discharge less uniform row" principle, provided hand operation. General Provisions at least once every eight hours of sewage, sewage each time shall not exceed 30s, overtime is strictly prohibited.

Horizontal electric water boiler with horizontal oil boiler characteristics introduced: horizontal electric horizontal or oil fired hot water boiler electric steam boiler is using the latest technology and electric control system design is completed to meet the heating or hot water production and supply of life, full bath with hot water automatic green boiler. 1, hot water boilers microcomputer controller, the built-in backlight in the LCD screen display, operating status of the boiler clearly visible. All operations are easily accomplished by simply buttons, super boiler display controller, the control function is complete. 2, ceramic electric tubular heating boiler water "water separation" electrical heating mode, the heating pipe and boiler water completely separate boiler safe and easy maintenance, replacement of a heating tube; stainless steel tube electric heating type hot water boiler implementation "immersion" in the electric heating, water heating furnace, high efficiency, heating tube connected to the furnace flange, easy to clean, replace them. 3, the user can arbitrarily set the temperature between 30 ℃ -90 ℃, the boiler in accordance with user requirements timing, temperature, or automatic circulation heating system to provide users with a bath heating, domestic hot water. 4, high-power stepping boiler heating control law input sharing group, the group can be randomly put into or heating is stopped according to the load variation, and significantly reduce the impact on power. You can also manually start and stop the heating section number, user side to adjust the power boiler itself. 5, the control system controls the circulation pump start and stop in accordance with the temperature of boiler water. Hot water heating boilers, boiler water circulating pump starts when the water reaches an upper limit temperature, lower than the hot water circulation pump stops when the water temperature lower limit; circulating hot water bath with hot water boilers, boiler water temperature reaches the set limit The pump stops below the hot water circulation pump starts when the water temperature is set lower limit. 6, bath, living with the embalmed internal hot water boiler, furnace rust corrosion, long service life of the boiler, hot water, clean water, sanitation. High centrifugation using glass fiber cotton multilayer insulation, heat loss, energy saving; famous white color board packaged, elegant appearance corrosion resistance. 7, the boiler having a leakage protection function (power supply control system detects electrical leakage, automatically cut off the power boiler), anti-dry protection low water level (the water level is below the minimum limit of the level set immediately stop and alarm), the furnace overheating protection function (start when the boiler shell temperature exceeds 105 deg.] C, immediately shut down and an alarm, the temperature of the normal automatic boiler), the temperature sensor protection function (control system keeps detecting sensor condition, stop immediately and alarm), the power supply voltage protection function (when the power supply is abnormal, the automatic power-off. after the normal, automatic recovery operation), the heating assembly phase protection function (monitoring phase after heating assembly, shutdown protection). 8, the top of this boiler has a vent to the atmosphere, the interior is not under pressure, boiler work at atmospheric pressure, there is no risk of explosion, the complete elimination of security risks. 9, a back outlet symmetrical design (double inlet) for quick connection installation; boiler mechanical and electrical integration, compact size and reasonable transportation is very convenient. 10, electric hot water boilers are widely used in residential areas, villas, swimming pool, bath and other places, compared to other conventional boiler with environmental health, convenience and peace of mind and no noise, pollution-free a significant advantage.

With this knowledge points, easily handle common fault boiler pump gas boiler pump is an important equipment, mainly for replenishment aspects boiler. Once the water pump fails, will first trigger replenishment system abnormalities, then water level gauge, pressure gauge, valve instrument will throughout the spate of error, and thus lead to serious boiler accidents. We have compiled the boiler pump five common faults; mastered them, to help you easily cope with pump failure. A lack of flow causes: Effect of multiple pump flow is insufficient suction pipe leakage, valve leakage bottom; inlet plug; insufficient depth of the bottom valve into the water; the water pump speed is too low; sealing ring or excessive wear of the impeller; and other highly absorbent excessive . Solution: Check the suction pipe with the bottom valve, blocking the leakage source; clean mud inlet at the outlet or plug; end of the valve must be greater than the depth of the water inlet pipe 1.5 times the diameter, to increase the depth of the bottom valve into water; check the power supply voltage, increase pump speed, replace the seal ring or impeller; reduce the installation position of the pump, or the replacement of the high lift pump. Second, causes excessive power consumption: pump speed is too high; the pump shaft bending or misalignment of the spindle motor or pump shaft and not parallel; inappropriate selection of the pump head; pump suction sediment or obstructions; motor ball bearing damage. Processing Method: check circuit voltage, reducing the pump speed; correct or adjust the relative position of the pump shaft and the pump motor; with a suitable pump head; or clean sediment blockage; three ball bearings replace the motor, pump noise or rattling Cause: pump installation is not strong or high pump installation; motor ball bearing damage; pump shaft and the motor shaft bending or misalignment, and the like are not parallel. Approach: install stable pumps or pump with reduced height; replace motor ball; correction bent pump shaft or adjust the relative position of the pump and motor. Fourth, the motor shaft, or bearing overheating causes: lack of lubrication or bearing rupture. Approach: filling oil or replacement. V. No water causes: pump and suction tube not filled with water; level below the pump filter tube; suction tube rupture. Processing Method: negative end of valve failure, filled with water; reduce the installation position of the pump, so that water drainage pipe under the action, or the like movable liter water filter and then pumping water; the suction pipe repair or replacement

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