Expected by the end of this year, Jiangsu Province, the province will complete the ultra-low emissions below 100,000 kilowatts coal-fired units. It's Jiangsu Province, following more than 100,000 kilowatts ultra-low emission coal-fired units in 2017 renovation, energy-saving and environmentally friendly coal a "first in the country."
According to statistics, Jiangsu Province in energy consumption, accounting for over 60% of coal, which accounts for coal and coal consumption sticking. Industrial emissions of air pollution is the bulk, ultra-low emission power plants, clean coal is to enhance efficiency, promote air pollution control "top priority."
According to the deputy director of Jiangsu Provincial Development and Reform Commission Energy Bureau, Jiangsu Province coal units in the national energy conservation program first started, the fastest progress. In the coal transformation "mentioned standard extended surface" advancing, Jiangsu Province by the national requirements of more than 300,000 kilowatts stand-alone, single expanded to more than 100,000 kilowatts, 100,000 kilowatts this year covering the following units. In order to promote energy saving coal-fired power plant, Jiangsu Province, also the first start price subsidies, together with local award and subsidy, enterprise since the vote, five years invested a total of 23.4 billion yuan.
Price subsidies coupled with strict control of environmental protection, promote the province of large-scale coal-fired power plants, clean production. By the end of last year, Jiangsu Province, a total of 225 sets of 73.6 million kilowatts coal units to complete the environmental transformation. Combined with the transformation of coal to the end of last year, out of sync, Jiangsu Province, small thermal power units 2.95 million kilowatts.
Coal transformation of wide coverage, high standards, emissions dropped significantly. Emissions of coal dust, sulfur dioxide and nitrogen oxides three major pollutants, Jiangsu line monitoring mean values of 2.3 mg / cubic meter, 18.5 mg / cubic meter and 35.5 mg / cubic meter, effective domestic optimal. Transformation, Jiangsu Province, to proceed with flue gas heat recovery, central heating, shutting down small thermal power, 25.7 million tons of standard coal last year to save.
Significantly reduce the amount of coal emissions at the same time, the province "Blue Sky index" every year. According to the Provincial Department of environment statistics, since 2013, the province PM2.5年均浓度连续 six years continued to decline, good days than from 60.3% in 2013, rising to 68% last year.
Boiler furnace pressure too much, what harm: boiler furnace pressure is too large, indicating that the induced draft fan suction force is too large. At this time, the air flow has shifted to the boiler upturned, center of the flame, furnace exit gas temperature rise, temperature rise caused by the steam superheater or slagging. Upturned gas flow, the flame travels shortened, resulting in incomplete combustion.
When the enterprise receives the steam boiler, for the normal use of the boiler and the self-safety of the enterprise operators, it must strictly abide by the "Safety production Law". Interim regulations on Safety Supervision of Boiler and pressure vessels relevant provisions of Safety Technical Supervision regulations for Steam boilers. These regulations shall apply to pressurized fixed steam boilers in water media, including coal-fired steam boilers, oil-fired steam boilers and gas-fired steam boilers. The factory that uses boiler should have corresponding technical certificate, technical document of installation boiler and construction quality attestation at the same time.
Factors affecting combustion in the boiler combustion rate reflects the number of units of time to burn combustible materials. Because the speed of combustion is the complex physical and chemical processes, combustion speed, depending on the speed of the combustible mixture into contact with oxygen and the rate of chemical reaction of oxygen and combustibles. Former said chemical reaction rate, also known as the chemical conditions; the latter, said physical mixing speed, also known as physical conditions. Chemical reaction speed and pressure of the reaction space, the temperature of the reaction mass concentration, and proportional. The actual combustion boiler, the main factors affecting the chemical reaction is the furnace temperature, the furnace temperature high, rapid chemical reaction rate. In addition to burning velocity associated with the chemical reaction rate, but also on the speed of the air flow delivery of oxygen to the surface of carbon particles, i.e. a physical mixing speed. Physically mixing speed depends on the relative velocity of the air and fuel flow disturbances, the diffusion speed. Chemical reaction rate, the mixing speed is physically interconnected on both a limiting factor for the burning rate. For example, under high temperature conditions should be a higher rate of chemical reaction, but if the low-speed physical mixing, decreased oxygen concentration, combustibles not have adequate supply of oxygen, the combustion speed results must fall. Therefore, only in the case of chemical conditions and physical conditions are more compatible in order to obtain a faster burning speed.
BOILER LEAKS, HOW TO LOCATE - how to determine that a boiler or hot water system is leaking and how to find hidden leaks; EXPANSION TANKS - if the expansion tank is waterlogged, the boiler and hot water heating system pressures will become excessive and spillage may be found at the pressure/temperature relief valve.Online chat
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Boiler temperature and pressure are indicated on the Temperature/Pressure gauge and should show an increase in the boiler water, not to exceed normal operating limits (200 deg F or less and less than 30 psi) See Gauges on Heating Equipment; Hot heating water leaves boiler, passing by theOnline chat
Oct 26, 2019 · Turn off the breaker that powers the hot water heater. The hot water heater must not be active (have electrical power) while youre testing the element. The electric breaker is a roughly 1 ft × 2 ft (30 cm × 61 cm) metal box thats attached to a wall. Look for it in your homes basement, laundry room, or large storage closet.Online chat
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Hot water heaters are designed with a temperature pressure relief valve. It will relieve pressure and drain water if the water temperature becomes too hot. Testing the temperature pressure relief valve is a quick process. Locate the valve on the side of the water heater. It will have a tub running below it and a flip switch on it.Online chat
Feb 27, 2015 · replacement of a hot water boiler and install a Burnham 303 natural gas boiler.Online chat
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Hot Water Boiler Chemical Treatment Chemically treating a boiler is very easy, but often over looked. First, we define a hot water boiler as a boiler that generates minimal steam with no condensate return loss or a boiler that produces no steam at all.Online chat
A "heating boiler" is a steel, copper, or cast iron "box" of hot water, connected to a loop of pipe (and radiators or baseboards) which runs around through the living area. The same physical water stays in the boiler and is circulated by a pump so that heat is delivered to the living area.Online chat