wns series natural gas fired 4 ton steam boiler

Fangkuai boiler for you to sort out 30 boiler operation common problems and solutions, after learning, do not forget to share with your friends oh. (6) what are the main factors affecting the wear rate? 1 flue gas, 2 flow rate of the material, 2 particle size of the material in the flue gas, and 3 the surface shape of the worn component. The velocity of air flow is the most important factor affecting the relative direction of motion of the worn material and the wear is proportional to the third power of the velocity. 7. Why should the bed temperature be controlled between 850 and 950? 1 the ash will not melt at this temperature, thus reducing the risk of slagging 2. Higher desulfurization efficiency 3 less nitride gas in combustion gas at this temperature 4 Alkali metal in coal does not sublimate at this temperature, which can reduce slagging on the heating surface. 8, why do you have to blow the boiler pipe? Some equipment in boiler steam-water system, such as dewarming water, start-up bypass, superheater, reheater pipeline system, are not suitable for chemical cleaning due to structure, material, arrangement and other reasons. So it is necessary to use the physical method to remove the residual debris before the new boiler is put into operation, so the steam produced by this furnace is used to blow the steam-water system and equipment. 9, what are the common methods of boiler maintenance? (1) Wet protection: there are diammonium method, ammonia method, maintain feed water pressure method, steam heating method, alkali liquefaction method, trisodium phosphate and nitrous acid mixed solution protection method; (2) dry protection: there are drying method (with pressure discharge) and desiccant method. 10, which causes the deterioration of steam quality (steam pollution)? (1) steam with water. The boiler's feedwater contains impurities. The feed water is heated into steam after entering the boiler, and most impurities are transferred into the boiler water. So many cycles, the impurity concentration in the boiler water becomes higher and higher. Furnace water containing high concentrations of impurities is carried by saturated steam, which is called steam carrying water, which is called mechanical carrying. The first reason for steam pollution. (2) Steam-soluble salt. At higher working pressure, steam can dissolve some salts, which is called selective transport, which is the second reason of steam pollution.

Gas wns series fired 4 ton steam boiler loading, installation considerations gas steam boiler is a very wide range of special equipment, usually built in the boiler room. However, its load, the installation process, some issues must be taken, otherwise it may cause a certain degree of economic losses. 1, the process of handling and transporting gas in a steam boiler to be noted the following: the lifting capacity of the lifting device should be matched to the weight of the boiler Lifting. Can not be used for lifting has a length marked with a lifting lug can not be used should be chosen on the boiler rope, rope length to avoid inappropriate, leading to scratching furnace. In the loading, unloading and handling process must ensure that the boiler without any damage. 2, installation of boiler maintenance reserve space, make sure there is enough space for maintenance around the boiler. 3, the base gas steam boiler, the base of the boiler and precautions to be installed on the basis of 100-150mm above the floor of the boiler on the premises, subject to prior confirmation boiler manufacturing company with technical personnel, in accordance with the basis for construction drawings. Must stay out of anchor bolts embedded hole basis. Foundation must be able to withstand the weight of the boiler and the largest holding water amount. When the mounting base, must first be positioned. After the alignment adjustment in the end the length of two diagonal lines of the same base, then the entire tightening the fixing bolt. Base mounting reference line marked for reference. 4. General Precautions Be careful not to tilt too boilers and accessories and be impact. Can not be placed outside the boiler fuel. Do not dirty oil and water boilers should generally be installed in a separate boiler room, the new gas steam boiler room should not be connected to the house. A boiler can not be connected, (B) and (C) use of flammable liquid fire risk room. If the production plant is connected to the other, separated by a firewall application. 5, fire resistance rating of the boiler room of the building and fire safety requirements should be consistent with "architectural design code for fire protection" and "design of tall buildings for fire protection" requirements. Gas-fired steam boiler room on the ground should be smooth, non-flammable, no water, load-bearing foundation should meet the requirements. Gas-fired steam boiler supply voltage should be stable, to avoid burn electrical components. The voltage instability, is recommended to install regulators. To set the boiler room ventilation equipment, to maintain the boiler temperature at 50 ° or less.

Method for safe operation of wns series fired 4 ton steam boilers steam boiler before use, must be checked for damage of the insulating layer, to check the burner is operating correctly, and to check the position of the opening degree of the valve to ensure it is correct. Must be checked for automatic control instruments and equipment safety equipment accessories, equipment, in order to comply with the requirements. Check item prior to ignition of the steam boiler: open valve before oil circulation pump, oil heating valve is opened, adjusted reasonably high level of the tank, the gas pressure is determined before the natural gas burner ignition must be within the range, the power good . Refers to the operation of the steam boiler is refluxed pressure activated device circulating pump, the circulating pump outlet, inlet, outlet, and the system, it is in the normal range. Circulation pump run for 30 minutes. After the stability of the system, the next step. Open the gas tube steam boiler manual valve, button start-up burner, natural gas burner into the furnace, and then the ignition, the flame remains stable, i.e. is in a safe operating condition. In the firing process steam boiler, if you accidentally quenching phenomenon occurs, the device will automatically interlock burner saver appear. It must be promptly cut off the natural gas pipeline to start the furnace purification. Replacement of the residual gas in the furnace and closed. The system load requirements, temperature requirements and thermal oil outlet, the burner can automatically adjust the size of the fire source.

Fuxin City, Liaoning Province, Liaoning provincial government to respond positively to national policies according to the latest requirements, increase the intensity of atmospheric pollutants have increased in terms of the number of personnel or subsidies. Now funds raised 24.08 million yuan to support the removal of loose coal and coal-fired boiler control project.

According to statistics, since the fall of 2017, a total removal of Fuxin coal-fired boilers 488 units, a total of 1020.085 tons of steam, subsidies for 21.08 million yuan. At the same time, actively carry out the bulk coal Fuxin treatment project, the replacement of energy-saving small boilers 2,000 subsidy capital of 300 million yuan.

And, Fuxin City, developed a series of measures to scrutiny. To strengthen the management of special funds to ensure the flow of funds security, Fuxin City, the boiler license, inspection report and environmental impact assessment procedures to establish a furnace of a file basic information, to complete the formalities boiler users comply with the removal of subsidies standards, timely payment of subsidies to users hands.

After the implementation of removal of loose coal and coal-fired boiler control project implementation, Fuxin City air quality of the environment and the urban fringe have been greatly improved. According to the survey, this year, the average concentration of PM2.5 Fuxin City 35 micrograms / cubic meter, improved 12.5% ​​year on year; PM10 average concentration of 67 micrograms / cubic meter, improved 17.8% year on year; air quality compliance rate of 81.6%, an increase of 4 %.

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