szl steam boiler price

Tai Chi, Jiaozuo City, Jiaozuo City Sports Center is one of important sports infrastructure, a total area of ​​11.73 hectares, held several international events. With strict management in Henan Province for air emissions of pollutants, Jiaozuo City, also launched the governance of coal-fired boilers, thermal power and other equipment. Jiaozuo Sports Center actively cooperate with municipal workers, took the lead from coal to gas activities, the serious pollution of the original extent of coal-fired boilers to replace gas boilers. Gas boiler cleaning binding understanding of the market, to achieve cooperation with the finalization fast boiler by providing a fast side 2.8MW integrally condensing gas hot water boiler (WNS2.8-1.0 / 95/70-YQ), it is used to Sports Center provides heating and hot water.

(4) Horizontal combustion WN (the horizontal) (5) Horizontal combustion WW of (lying outside) (6) horizontal heat pipe WR (horizontal hot) water tube boiler vertical single drum DL (stand-alone) single-drum longitudinal mounted the DZ (single-longitudinal) single drum transverse formula DH (single transverse) double drum vertical type SZ (double vertical) horizontal type double drum SH (double cross) rows of stationary furnace G (solid) activity grate hand H ( live) feed grate A (down) the chain grate L (chain) reciprocating grate W (to) pumping plate lifting furnace C (pumping) chamber burners S (chamber) gas furnaces half B (semi) boiling furnace F ( boiling) 4, boiler pressure applications because unpressurized pressure hot water boiler, so to link with the atmosphere, and the temperature should not exceed 100 ℃. The main areas of use: place heating, bathroom, nursery, electroplating, chemical without high temperature (higher than 100 deg.] C) of. However, once the system layout is unreasonable, without the openings communicating with the atmosphere communicating pipe or valve blockage or installed, it will cause pressure hot water boiler, having a certain degree of risk. 5, pressure boiler water quality: Water pressure boiler required to follow "industrial boiler water quality standards," the specific requirements in the following table: 7, the boiler operating temperature and pressure: The "small hot water boiler and pressure monitoring Safety Regulations" regulations, the atmospheric outlet of the water heater temperature should not exceed 85 ℃, the return water temperature of 60 ℃. Low pressure type water temperature can not exceed to 95 ℃, return water temperature is 70 ℃? Because in security considerations, to prevent heating of the hot water temperature is too high so as gasification, the system will affect the circulating pump running, the system pressure rise; and if failure or insensitive because the thermometer is not allowed to set the temperature are likely to cause system overpressure thus a security risk. Pressure hot water boiler thermometer scale used rated water temperature of 1.5 to 2 times the rated water temperature and the temperature difference between nominal water temperature not more than 20 ℃.

Commercial electric boiler maintenance and meticulous care of the matter is what commercial electric boiler maintenance and meticulous care of what matters is: 1, the general commercial electric boiler 1--2 years to be sure of the commercial electric boiler maintenance, help commercial electric boiler in normal operation, regular maintenance for commercial electric boiler is the basic guarantee its normal operation. It shall be accompanied by safety regulations when boiler factory technical design documents, the real product quality certification, safety and use and maintenance instructions, supervision and inspection confirmed (Safety Supervision, Inspection and performance certificate). 2, boiler maintenance, must be cut off and must relief. Water level should always be kept clean, rinse purge valve is opened, the water level in order to ensure a clear day. Burner should be every two months removed from the boiler, carefully wipe out foreign materials such as coke and dust. Photocell light-receiving surface wipe once a month, fuel filter should always be kept clean and filtering capabilities, carefully clean the filter in the pump, do not break the seal. Oil-burner not idle, so as not to damage the pump. 3, boiler installation, maintenance, alteration. Engaged in the installation of the boiler, maintenance, renovation of the unit shall obtain special equipment installation and maintenance certificates issued by the Provincial Quality and Technical Supervision, before engaging in the boiler installation, maintenance, alteration. Construction unit before construction will be prepared for installation, maintenance, alteration in writing inform the special equipment safety supervision and management department of the municipality or district, and will start informing sent to the local county level Quality and Technical Supervision for the record, told immediately after construction. Boiler installation, inspection maintenance, transformation. After construction, the construction unit of Special Equipment To Quality and Technical Supervision, Inspection and declared the boiler installation supervisory inspection and hydrostatic testing. After passing by the Quality and Technical Supervision, Special Equipment Inspection, County of Quality and Technical Supervision acceptance to participate in group 4, pulling the safety valve once a day, to prevent rusting failure. After the work is completed, check whether the tools, materials, complete accessories, such as to prevent left in the furnace space inside. Someone delisted from the job site only after acceptance, good maintenance records, to prepare for subsequent queries.

Boiler excess air ratio increases, why steam temperature rises to follow? Excess air ratio increases boiler (originally assumed optimum excess air ratio), the temperature drop in the furnace, the heat radiation wall absorption reduction, the furnace exit gas temperature decreased slightly. Since the magnitude of the amount of smoke increases, the speed increase of smoke, the heat transfer coefficient of heat transfer temperature difference is greater than the rate of increase is reduced, so that the increase in heat absorption of the superheater. Since the increase in the amount of exhaust gas temperature and flue gas, q2 is increased, reducing the efficiency of the boiler, in the case where the same amount of fuel. Reducing evaporation, and therefore, the steam temperature rise. Generally, the excess air coefficient of 0.1 for each increase, steam temperature rise 8 ~ 1O ℃.

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