Fully Automatic Industrial Coal Fired Central Heating Hot Water Boiler manufacturer

Hot water boiler item to check what internal checks and the use of fully automatic industrial coal fired central heating hot water boiler manufacturers prepared in the furnace and flue inspections of boiler accessories, check the automatic control system, checking of ancillary equipment, inspection equipment burning auxiliary heating surface check the hot water boiler must be done before running some tests, these tests are quite a lot of us, it is possible because of our neglect and causing very serious consequences. Therefore, we must forestall, be sure to carefully check the following before the hot water boiler operation. 1, including the use of internal inspection and boiler ready. 2, inspection, and furnace fouling and debris inside the flue in the furnace and flue should be cleaned. Flue duct and damper, the shutter must be complete and compact, flexible switch, opening and closing accurately indicated. 3, check the boiler accessories, check the safety accessory is intact; cock is rotating flexible, easy to use; all kinds of instruments and controls should be complete, good, clean. After passing the examination, should the gauge cocks in working condition. 4, check the automatic control system. 5. Check the accessory device. 6, inspection of the combustion apparatus, the combustion apparatus is intact inspection; mechanical transmission system, coal handling system, the ballast system test switch normally; spring-loaded safety level of a gearbox should be appropriate, well lubricated; coal shutter indicate the correct scale. iron eagle neat, well, turn the ballast plates full, flexible movement. 7, the auxiliary heating surface of the inspection, check the auxiliary device (fan, blower, pump, etc.) are firmly connected coupling; proper belt tension triangle; oil should be good enough; cooling water flow. After passing the examination, installed security guard, respectively, commissioning, and note the current when idling.

Gas Steam Boiler non-normal stall, a phenomenon and treatment, flame reasons: 1, the operation of the auxiliary power supply or trip interruption. 2, boiler combustion instability. 3, the load is too low, so that the load sharply mill automatic ignition energy loss or failure of combustion. 4, mutant coal, coal volatile or low calorific value. 5, the automatic combustion flame detector failure or failure caused by tripping mill. 6, or blast furnace wall tubes serious improper boiler soot-blowing operation, a large amount of water vapor into the combustion chamber. 7, coal pulverizing system, fuel system failure, resulting in a significant amount of fuel reduction or interruption. Or with a large amount of water in the fuel oil gun blocked too many impurities, low pressure steam or atomized. Second, the phenomenon: 1, a significant increase in furnace pressure, furnace flame monitoring flameless CRT display. See the fire no fire hole, BTG warning window MFT warning lights. 2, the unit load decrease, the steam flow drops rapidly, each segment working medium temperature, the vapor pressure decreases, the value of oxygen surge. Third, the method of treatment: 1, if the MFT tripping protection, should an emergency shutdown processing, stop the supply of fuel. 2, identify the cause flameout, and try to eliminate, to conduct a comprehensive inspection of the boiler, after confirming the device properly, can restart. How early circulating fluidized bed boiler ignition achieve the protection of reheaters? Fire causes of valve failure chemical industry regulation and Countermeasures bearing parts heat treated high boiler common defects due to low bypass the security gate and reheaters failure phenomenon and treatment of condensate pump turbine worm gear failure cause analysis and improvement measures in the pneumatic valve powder operating system instructions on how to implement.

Beiqi Panther car 6 tons of steam condensing one fuel gas steam boiler project has been successfully completed. This series boiler adopt advanced design concepts, using the waste heat of flue gas cascade, with the use of the condenser and the economizer fully absorb the waste heat in the flue gas, the boiler efficiency has been greatly improved.

SZS structure which forms the water tube boiler described below common small water tube boiler: the boiler is mainly composed of vertical boiler tubes, water wall header, the downcomer, the convection tubes and other components (FIG. 3-12). It evaporation capacity is divided into 2t / h and 4t / h, which is the simplest structure water-tube boiler and a minimum capacity. In the furnace chamber, two horizontal drum of the drum water is not a vertical line in the center, minor drum forward, tubes convection expansion joint between two rollers. Seamless steel tube is curved convection bank of 51 mm formed by the outer diameter. It is arranged in a row, is provided a smoke screen between the tube wall folded, Z-shape so that smoke passes through the tube bundle. Wall and ceiling are arranged in the furnace front wall. Wall arrangement bow front lower portion of the side wall. Extracting two downcomer barrel from both ends of the boiler, through the lower wall of the header connector with the side walls of the water wall. Elbow boiler waterwall tubes and convection, readily expandable, unitary structure having a good elasticity, a large volume of the furnace, for burning various fuels. However, the use of coal workers' labor intensive; less heating surface arranged furnace surface, not the tail flue economizer, the exhaust gas temperature is high, the low efficiency; convection tubes easy to fouling. Two Longitudinal bend tube boiler drum (D-type boiler) D-type arrangement is very common in recent years, a small boiler tube arrangement, which is characterized essentially in the same vertical twin drum center line, parallel to the chamber axis double drum shaft furnace, boiler and the side of the water wall, the other side of the flues and convection heating surface tubes, D type boiler. D-type arrangement are also used in oil-fired boilers. Figure 3-13 shows a D-type boiler having a vibrating grate. Drum main ingredient is water, convection bank, Wall System, (water wall, the first downcomer), economizer , such as some boiler superheater. Slightly larger than the diameter of the cylinder barrel diameter of convection bank connected between two reels. Convection tubes of 51 mm outer diameter of a seamless steel composition, disposed in the convection pass convection pass, convection pass longitudinally along the refractory wall into two half-regions, the flue gas convection pass along a U-shaped flow. Fireplace decorative walls, all around the side walls and the downcomer is provided with fixed frame, form a closed water circulation system.

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