What types of boiler pressure steam boiler pressure steam boilers are common varieties of life, the pressure steam boiler also has another name called non-pressure steam boiler. High-pressure steam boiler is durable boiler is not under pressure, so there is no security risk, can be used for heating and steam supply. Working pressure of steam boilers requires energy from different fuels, different fuel types depending on and separate. 1, the electric steam boiler is an electric steam boiler to maintain normal pressure, electricity, steam boiler heating power as energy. Meanwhile, a computer equipped with a dedicated controller. Using a temperature sensor may be adjustable form a circulation system. By continuous acquisition of temperature, accurate control and regulation of temperature, to achieve the purpose of energy conservation and the automatic thermostat. 2, gas steam boiler with the implementation of the national natural gas project, gas boiler gradually been accepted. Gas steam boiler in a steam pressure of gas-powered boilers, gas steam boiler also requires computer controller. However, the difference is that electric steam boiler, gas steam boilers require the use of imported burner to heat water. 3, the fuel steam boiler can read the name of this steam boiler fuel steam boiler fuel in the fuel, including diesel, oil and kerosene. Fuel steam boiler burner needs to be, but the difference between the fuel gas steam boiler steam boiler and burner which is to be used.
In mid-April, Hohhot, Inner Mongolia issued a notice (hereinafter referred to as the "Program"), "Hohhot tackling air pollution control plan" (2018-2020), the "plan" to win tough fight pollution prevention, to promote air pollution control, as the city to create a pleasant living environment for the development of the measures.
For air pollution control, "plan" set goals. As of 2020, Hohhot air quality more than two days ratio reached 83.8%, fine particles (of PM2.5) concentration of 35 micrograms / cubic meter. Wherein, 2018 Hohhot air quality objectives: good percentage of days to reach 79.5%, fine particles (of PM2.5) concentration of 39.2 micrograms / cubic meter.
Since 2017 to enter the heating season, Hohhot is the air quality continues to improve, has introduced the autumn and winter air pollution in Hohhot comprehensive reform program "," Hohhot 2017--2018 autumn and winter special inspection of comprehensive air pollution control program of work of law enforcement. " "Hohhot 2017--2018 autumn and winter air pollution in the comprehensive management of supervision and inspection plan", "Hohhot environmental Protection Agency checks on the issuance of the work program of the winter heating enterprises notification", "Hohhot City people's government on the issuance of residential heating clean alternative , "and other series of notifications. Key measures to coal-fired boilers for heating and bulk coal governance.
Second, the city's coal-fired boiler coal yard, residue field to achieve full closure transformation; more than 20 tons of steam / h coal-fired boilers have been installed pollution-line monitoring equipment, and networking with the Municipal Environmental Protection Bureau, established a 24-hour monitoring system.
Through the above measures, Hohhot air quality improved significantly compared to the same period. January 1, 2018 --3 17, good days Hohhot total 66 days, an increase of 4 days last year. Sulfur dioxide concentrations decreased 40.7% over last year, PM2.5 concentration decreased by 20% over the same period last year.
According to (2018-2020) spiritual requirements "Hohhot tackling air pollution control plan", 2018, the Board will eliminate 35 tons of steam utility / h coal-fired boiler room 11 - 15, involves heating an area of 3.872 million square meters. Currently the demolition and integration of clean energy and the transformation is complete, out of the task have been put in place, we have been completed out of eight coal-fired boilers and boiler room of the grid work, removal of nine coal-fired boilers (grid yet dismantled three, to electricity yet dismantled three), and has been able to "break two three clear", the remaining boilers will be completed by the end eliminated.
In order to judge the quality of gas-fired boiler, the manufacturer must have a manufacturing license, and the manufacturer must also purchase the boiler product produced by the qualified manufacturer. At the same time, the strength calculation and structural design of gas-fired boiler are also examined. All gas-fired boilers are confined to pressure, while the liquid-phase furnaces of gas-fired boilers are divided into two types: pressure-bearing injection type and unconfined suction type. The component of organic heat carrier furnace should be calculated according to the current boiler strength calculation standard, and the design pressure of geotextile is 0.3 MPA for working pressure, and not less than 0.59 MPA. Second It is necessary to carry out pressure test on gas-fired boiler, when it is assembled in manufacturing unit, installed in service unit and repaired. In the case of electrically heated boiler, its pressure test is divided into hydraulic test, hydraulic test and gas tightness test. No matter the gas furnace or liquid furnace of the electric heating boiler, the hydraulic test should be carried out in the manufacturing unit, and only the hydraulic test should be carried out in the working unit, but the hydraulic test should not be carried out. For gas furnaces of electrically heated boilers, gas tightness tests should be carried out in manufacturing units and service units to check the sealing of non-welded joints. Gas-tight test methods and requirements for electrically heated boilers Proceed in accordance with the relevant provisions of the pressure vessel. Gas tightness tests are not required for liquid stoves of electrically heated boilers. At the same time, the welding quality of the electric heating boiler should be strictly controlled. Because the organic heat carrier of the electric heating boiler is easy to leak and burn, the welding requirement of the organic heat carrier furnace of the electric heating boiler is higher than that of the boiler with water as the medium. The welding quality of electric heating boiler should be strictly controlled.
1 ton gas boiler running on natural gas cost calculation users in the purchase of boiler equipment, in addition to considering the quality and price of the boiler, operating costs are also most concerned about. As a large industrial boilers special equipment, operating costs after start-up is not low. Today, small series to calculate the running costs of natural gas boiler, to help you better understand the gas boiler. On the whole, operating costs including natural gas boiler: fuel costs, utilities, labor costs, maintenance costs. Run 1 ton gas steam boiler 1 hour example to calculate the cost of running the boiler. 1, the cost of gas, 1 tons of gas steam boiler steam rated the amount of 1 ton / hour, different in different parts of the integrated natural gas quality and other factors, natural gas consumption in the 70-80 cubic meters / hour, according to our understanding, now on the market of natural gas the price of 3.5 yuan / cubic calculated (prices slightly floating), gas consumption is calculated according to 75 cubic meters. Gas Cost: 1 × 75 × 3.5 = 262.5 / hour 2, the cost of water, gas steam boiler 1 tons an hour to convert 1 ton 1 ton of steam into the water, because the middle of demineralized water and sewage water treatment needs, 1 ton of normal use of the steam boiler takes about 1.1 tons of water, according to our understanding, the market price is now floating around 3 yuan / ton. The cost of water: 1.1 × 3 = 3.3 yuan / hour 3, the cost of electricity, the main fuel gas steam boiler 1 ton electric burner position and pumps, other mostly weak. Burner using power 1.5KW, use the pump power of 1.4KW, other weak power use of about 1KW. During normal use of the boiler, electrical power is 0.65 times the full load power, calculate the total electric power (1.5KW + 1.4KW + 1KW) × 0.65 = 2.535KW. The electricity is $ 1 / calculation. Electricity costs: 2.535 × 1 = 2.535 / hour 4, labor costs, fast boiler into gas boiler market is the intelligent automatic high boiler plant, only coal fireman who patrol back and forth without the need to manually add fuel high intensity work. Fireman who according to 3000 yuan / month wage, working 12 hours a day, in two shifts. Labor costs: 3000 × 2 times / 30 days / 24 h = 8.33 yuan / 5 hours, gas boilers, and maintenance costs of model SZS fast WNS square type gas boiler in the factory after the quenching treatment and a full range of testing, failure rate Very low, response, post-boiler maintenance costs are reduced. If it is a gas station one ton steam boiler, the maintenance cost is about 2000 a year on it. According to 365 days a year, eight hours a day of computing time, the boiler operation cost per hour is: 2000/365/8 = 0.68 yuan. Combining these five aspects of the cost of inputs, it can be summed up 1 ton operating cost per hour of gas boilers: 262.5 yuan / hour + 3.3 yuan / hour +2.535 yuan / hour +8.33 yuan / hour +0.68 yuan / hour = 277.345 yuan / hour . In addition Xiao Bian also like to remind you that the above calculations are based on the cost of using boiler operating at full capacity, but due to the use of the boiler boiler enterprises have different needs, it may not be fixed to keep running at full capacity. Therefore, some of the actual running costs of the boiler than it is now calculated 277.345 yuan low. If you have more questions about natural gas boiler in the running cost, please direct online consultation fast boiler for more details boiler equipment!
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