Use hot water boiler should pay attention to security issues, especially hot water boiler electric boiler there are many security problems that require attention, in the course should be noted that some of the security detail during use. Gas hot water boiler with environmental protection, energy conservation, safety, salient features fully automatic operation, and ease of use. In addition, due to the operation of the economy, government policies to encourage, gas hot water boiler more and more people of all ages. Gas-fired steam boiler burner underlying mode, two-pass configuration, the fuel combustion, the boiler operation is stable and take up less space, while the spoiler is inserted smoke tube, smoke slow speed, increase heat transfer, a high thermal efficiency, reducing user fees hot water boiler assembly PC-style water boiler controls, all functions are stored on a smart chip to achieve intelligent, digital boiler, automation, humane, intelligent control of boiler water temperature, water temperature reached the heating automatically stops; large screen font display water temperature, boiler water temperature at a glance. Running hot water boiler, must comply with the provisions of wearing clothes, carefully check the various parts of the boiler system, such as pressure gauge, safety valve, supply pipe accessories, such as water level, before continuing to work. When water, when the water to a predetermined level, we must be careful not to single-handed operation, one hand open valve injection machine, turn off the water valve before closing the valve. This order is not reversed, when the steam valve is closed, the surface not facing the surface. Against water splash hurt face. When the boiler has to work, someone must guard time water level and pressure gauges, must not neglect their duties. If you work late, you have to have a good rest during the day, so you will not doze off at night. Because if there is anything careless, it will be an accident. Boilers must exhaust every night, every night to clean up the water level gauge. Motors and other mechanical equipment should be regularly checked, if found any exception, should be checked immediately. Check the safety valve of the week.
Industrial production is inseparable from boilers, emission control of atmospheric pollutants boiler air pollution control in Shanghai to expand and intensify the focus of the project. Currently, Shanghai Industrial boilers alternative clean energy has been completed, nitrogen oxides (NOx) emissions of major pollutants as a boiler, the boiler due mostly low shelf emission source of ambient air near the ground and ozone greater PM2.5 influence, therefore, this release the new standard, the boiler will be low-nitrogen transformation, improve Shanghai air quality, protect people's lives and health and other aspects demand a strong thrust of great significance. Throughout the country, Beijing, Tianjin and other places have started low-nitrogen transformation boilers for low-nitrogen transformation has a more mature technology reserves. Based on the above considerations, for the effective control of NOx emissions from boilers, to further deepen cooperative control of PM2.5 and ozone, according to the standard first, to further accelerate the transformation of governance principles, it is necessary once again to revise the standard boiler.
According to local environmental standards and revision procedures, the Municipal Environmental Protection Bureau held a meeting to hear the relevant departments, enterprises and the opinions and suggestions of experts, and in 2017 August 4 to September 15 in the online open standard full text to solicit public opinion. At the same time the Ministry of Ecology Environment solicit written opinions Municipal Development, City Commission by letter and other related commissioned Bureau, industry organizations and boilers, production units and other enterprises. Municipal Environmental Protection Bureau and the Municipal Quality and Technical Supervision on January 19, 2018 organized the expert technical review meeting, the panel agreed that standards through technical review. Approval by the Municipal Environmental Protection Bureau and the Municipal Quality and Technical Supervision audit report to the municipal government.
The new standard has been revised for several aspects, one is no longer on the "central heating boiler and the nominal amount of evaporation less than 65t / h boiler cogeneration" provisions alone time; the second is to simplify the original class standard boiler merged into " gaseous fuel boiler "and" boilers "categories; are three different degrees of contamination tightened limits particulate matter, sulfur dioxide and nitrogen oxides; four new boiler is implemented from the date of implementation of this standard, the boiler given a transition period of about two years.
New standards for gaseous fuel boiler particulate matter, sulfur dioxide and nitrogen oxides are applied strict limits, but mainly considering the control of nitrogen oxide emissions, and further improve air quality. In the transition period boiler (1 October 2020) to limit nitrogen oxide 150mg / m³; after a transitional period of 50mg / m³. Date of implementation of new boiler nitrogen oxides from standard starting execution 50mg / m³ limit. Taking into account the comprehensive utilization of straw in Shanghai, biomass fuel boilers follows the standards of the original project control and limit requirements.
Electric boiler electric boiler cleaning method is mainly used in place of a large area of guesthouses, hotels, colleges, factories, etc., in the course of its work, a long time after the surface or the interior will scale phenomenon, this phenomenon greatly affect the equipment, the following it'll tell you about cleaning method: 1, acid cleaning method: ① this pickling solution can not only clean up the boiler scale (except when nitrates scale, add hydrofluoric acid), and very little corrosion gas hot water boiler. ② descaling pickling process using hydrochloric acid or nitric acid, most of the cleaning. Pickling solution by adding nitric acid or hydrochloric acid was added inhibitor of the corrosion inhibitor composition. 2, the mechanical descaling method: when the electric furnace with a loose boiler scale and slag, so that the cast iron hot water boiler shutdown cooling, boiler water let go of, after washing with water, can be used flat shovel, wire brushes, and a motor milling descaling header. 3, alkali cooking cleaning law: ① alkali cooking method is simple, relatively small side effects. ② alkali cooking method of cleaning descaling, pickling cleaning effect than the difference method, but since a base boiled loose scale, so it is difficult for, may be a cooking method I with a base with hydrochloric acid cleaned scale before acid pickling deal with. Scale electric boiler efficiency is an important factor in the life and influence, in order to ensure it is safe to run the economy, the need for a reasonable scale clean-up work, so essential to get rid of scale, reduce equipment failure and reduce damage.
First, the total price gas hot water boiler of 10 t equipment first determine which device contains total price 10 tons of low nitrogen gas hot water boiler included:? Several parts host, auxiliary equipment, installation costs, freight and so on. Auxiliary boiler may comprise the following configuration: electric heating, burners, pumps, instrumentation, valves, grate, blower, fan, filter, chimneys and the like. Different manufacturers, different modus operandi, the material chosen different furnace configuration is different, so prices vary. Which hosts relatively fixed costs, the cost depends on the level of auxiliary equipment configuration, installation and shipping costs to manufacturers and negotiate.
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