Atmospheric Hot Water Gas Boiler for Hotel

What are the overall structure of the boiler boiler structure includes two major boiler and auxiliary equipment. Boiler furnace, drum, burner, water wall superheater, economizer, air preheater, and the furnace wall, etc. The main frame member constituting the core part of the steam production, called boiler. Boiler body is in two main parts and drum furnace. Also known as the furnace combustion chamber, fuel combustion for space. The solid fuel on to the grate, referred to as a fire bed combustion furnace Stoker, also known as fire bed furnace; solid fuel furnace liquid, gas or pulverized, is injected into the combustion chamber is called the fire chamber burner, also known as the furnace fire chamber; air coal particles burn hold it was boiling, and the furnace is inferior fuel suitable for combustion is called fluidized bed furnace, also called fluidized bed furnace; coal particles so that an air flow rotated at high speed, and strongly called fire cylindrical cyclone furnace hearth. The furnace cross-section is generally square or rectangular. Combustion fuel to form a flame in the furnace and high temperature flue gas, so the hearth around the furnace wall is made of refractory material and insulation material. On the inner surface of the wall of the furnace waterwall tubes often laid, it will not burn both protect the furnace wall, and absorb a large amount of radiation heat of the flame and the high temperature flue gas. Furnace design needs to fully consider the characteristics of the fuel used. Each boiler should be fueled with the original design of the fuel. Boilers running economy and reliability are likely to vary greatly reduced when using the characteristics of fuel combustion. And the natural circulation drum is repeatedly forced circulation boiler receiving feedwater to the economizer, the coupling cycle and supplying saturated steam superheater cylindrical vessel. Simplified drum made from high quality steel plate, is one of the heaviest components of the boiler. The main function of the water storage drum, a steam separator, brine and water excluded pot sludge in operation, to avoid the boiler water containing a high concentration of salt and impurities entering with the steam superheater and a steam turbine. Internal drum means comprises a moisture separator and a steam cleaning apparatus, water distribution pipes, sewage and dosing equipment. Wherein the effect of soda is separated from the water wall by means of saturated steam and water to leave, and to minimize the steam carried fine water droplets. Low pressure boiler used as a crude flap and slit baffle separating element; above except pressure in the boiler is widely used for various types of rough separation cyclone, but also with blinds, steel mesh plate or the like are vapor further separation. The drum is also equipped with water gauges, safety valves and other monitoring and protection facilities. In order to improve the design and performance assessment, often have to go through boiler thermal balance test. Direct methods to calculate the thermal efficiency of the boiler is called n-efficient use of energy balance, the heat loss from a variety of methods to counter the counter balance called computational efficiency. When considering the practical benefits of the boiler room, boiler thermal efficiency not only look, but also taking into account the energy consumed by the auxiliary boiler. Fuel per unit mass or unit volume of complete combustion, calculated according to the chemical reaction called the theoretical air quantity of air required. In order to have more opportunities to the fuel in contact with oxygen in the furnace combustion, the actual amount of air into the furnace is always greater than the theoretical air amount. While air can be reduced into a multi incomplete combustion heat loss, but the heat losses will increase, also exacerbate corrosion of sulfur oxides and nitrogen oxides generated. We should therefore seek to improve combustion technology, as small as possible in order for the excess air ratio in the furnace so that complete combustion. Dust contained in the boiler flue gas (including carbon black and ash), sulfur and nitrogen oxides are air pollutants, which can achieve emissions targets environmental regulations when unpurified indicators several to several tens of times. These substances emissions control combustion pretreatment, improved combustion techniques, dust removal, desulfurization and denitration. By means of a high chimney stack can reduce the concentration of pollutants in the atmosphere of the area. Flue gas dust removal force used gravity, centrifugal force, inertial force and acoustic adhesion, static electricity and the like. Is generally used for separating coarse particles gravity settling and inertial force, centrifugal separation is often used dust bag filters and electrostatic precipitators having a high dust removal efficiency at higher capacity. Wet venturi - water film adhering water film droplet precipitator ash, high collection efficiency can absorb gaseous pollutants. Since the 1950s, people strive to develop the comprehensive utilization of ash, harm into. The manufacturing cement, bricks and building materials such as concrete aggregate ash. Since the 1970s and from the fly ash cenospheres extracted as a fire-resistant insulation and other materials. Future development will further improve boiler thermal efficiency of boilers and power plants; reduce equipment cost per unit of power boilers and power plants; enhance operational flexibility and level of automation of the boiler unit; develop more varieties to suit different boiler fuel; and improve boiler unit the reliability of operation of the auxiliary equipment; reduce environmental pollution.

Gas boiler installation and preparation requirements of (a) the preparatory work before the installation of a boiler installation must be installed by the unit has installed a license .. The installer must be familiar with "Boiler Safety Technology Supervision", and carefully read the installation instructions and other random technical documents. 2, a mounting position: 1) as close as possible to install a boiler steam, hot site, to facilitate shortening the hot water and steam pipes, reducing capital costs, reducing the pipeline heat loss. The installation site should be water supply, sewage convenience. Burning light diesel oil, heavy oil residue and the boiler must be closer to the oil reservoir; burning natural gas, town gas boiler must be easy to close the gas source. 2) boiler room layout should follow the "Boiler Safety Technology Supervision" relevant provisions "boiler room", to be well-lit, well-ventilated, no ground water, ease of operation and maintenance, boiler room must be equipped with at least two fire extinguishers 1211. 3) Check the boiler foundation, prepare the boiler in place. 3, equipment acceptance: acceptance by conduct an inventory purchase contract or supply list. 4, lifting large boiler: not less than 1.1 times the lifting equipment of large weight of the boiler, two lugs for the lifting jack top or at the bottom edge away slowly, not to any other parts of the lifting or addendum to avoid damage to the boiler. (Ii) installation requirements: 1, the main steam line installation requires the main steam lead pipe height is generally greater than 0.5 m, the bending radius should be greater than or equal to 5 times the diameter of the pipe, the pipe should be installed at the lowest trap, preventing water pipe, It should be a main steam pipe insulation. 2, a main return pipe installation requirements should the main return pipe elbow minimize installation, to facilitate the mounting operation of the valve, piping should be insulated. 3, the hydrostatic testing relief valve, the safety valve should be installed in the exhaust pipe, the exhaust pipe connected to the straight pipe outdoor safety. 4, should be connected to a sewage outfall tank or other security, the pipe should be secured to prevent shifting or counter scald accidents blowdown. 5, railings, stairs (with large oven) after the positioning by drawing the boiler installation. 6, water table must be installed to the lighting device, easy to install or inspection.

The development trend of environmentally friendly eco-friendly atmospheric hot water boiler for hotel hot water boiler ushered in new opportunities. Late last year the State Council issued energy-saving environmental protection industry. Environmental protection boiler is also more and more attention in the boiler industry, in which major favorable policies, the mountain pot boiler seize the opportunity to develop environment-friendly hot water boiler, and its development trend did some summary for everyone to share now study and discussion, together with the conduct. The development trend of environmentally friendly hot water boiler specifically in the following areas: high-efficiency boilers; using simple auxiliary sets; simple structure; the whole intelligent automatic control and is equipped with multiple-level protection system. Environmentally friendly hot water boiler is on the whole have the following requirements: size and weight were reduced, which reduces the footprint of hot water boilers, boiler room would not need so much construction, weight reduction will saving materials, use of new materials to replace the old materials to improve the life of the hot water boiler, also during transport in many aspects, reduce unnecessary trouble. Improve boiler efficiency reduces fuel combustion, thus reducing the consumption of natural emissions of flue gas and water; and increase the degree of automation assembly, boiler maintenance so it will be more convenient, where you do not have the repairs carried out accessories and replacement is simple and convenient, automatic application of the procedures boiler with higher intelligence. Especially in recent years, the use of some new combustion technology and enhanced technology, the volume of oil and gas hot water boiler heat transfer is greatly reduced than before. Our industry has made great strides in development, people's general requirements of hot water boiler will be more stringent. This requirement is mainly to solve the contradiction between economic, security, usability. Mountains pot hot water boiler with a mature technical team, developed a hot water boiler in line with customer requirements for environmental protection, we have made many achievements in the hot water boiler market. Our mountain pot boiler satisfied with the existing results, as always, based on the market, focus on the future, to develop more high-quality environment-friendly hot water boiler, make a contribution to environmental protection. Gas boiler steam cleaning and maintenance measures combustion gas steam boiler is first opened the door, the rear housing panel removed, screwing the rear open boiler cleaning opening. Clean fuel gas piping with a wire brush. With a soft brush to clean the combustion chamber. Gas steam boiler to remove residue in the boiler, the cleaning opening is screwed on the screw, closing the burner door seal check is complete. If the boiler is installed in areas where temperatures below 0 ℃ must take the following precautions: If outside the boiler room, the room temperature drops below 15 ℃ or 18 ℃, the whole day operation of the boiler. If a long time no one in the room should be emptied of water in the boiler. You know cathodic protection of each member constituting the boiler (such as iron, copper, aluminum, etc.) of different materials. In order to prevent galvanic corrosion, cathodic protection measures must be taken. Sewage treatment boiler. The bottom of the gas-fired boiler flue gas emissions to prevent condensation. Since the flue gas is flue gas condensation (diesel or natural gas) and the flue gas temperature in the aqueous too low, water generated. A portion of the moisture is discharged from the chimney, the chimney wall is absorbed, the rest is deposited on the bottom of the chimney. Water produced by the following factors influence: flue gas temperature (efficiency 91%, the flue gas must be at a temperature of 170 ℃) where the total surface area heat chimney, chimney and chimney material. Maintenance of the burner. Gas boiler and burner maintenance, the best maintenance after steam supply. Because the products of combustion will corrode the boiler, clean up carbon deposits, therefore, not allow the products of combustion burner door opened first time in memory, leaving the boiler is too long, remove the rear housing panel, tighten the screws to open the rear side of the boiler clean mouth. Clean fuel gas piping with a wire brush. With a soft brush to clean the combustion chamber. Gas steam boiler to remove residue in the boiler, the cleaning opening is screwed on the screw, closing the burner door seal check is complete. If the boiler is installed in areas where temperatures below 0 ℃ must take the following precautions: If outside the boiler room, the room temperature drops below 15 ℃ or 18 ℃, the whole day operation of the boiler. If a long time no one in the room should be emptied of water in the boiler. You know cathodic protection of each member constituting the boiler (such as iron, copper, aluminum, etc.) of different materials. In order to prevent galvanic corrosion, cathodic protection measures must be taken. Sewage treatment boiler. The bottom of the gas-fired boiler flue gas emissions to prevent condensation. Since the flue gas is flue gas condensation (diesel or natural gas) and the flue gas temperature in the aqueous too low, water generated. A portion of the moisture is discharged from the chimney, the chimney wall is absorbed, the rest is deposited on the bottom of the chimney. Water produced by the following factors influence: flue gas temperature (efficiency 91%, the flue gas must be at a temperature of 170 ℃) where the total surface area heat chimney, chimney and chimney material. Maintenance of the burner. Gas boiler and burner maintenance, the best maintenance after steam supply. Because the products of combustion will corrode the boiler, clean up carbon deposits, therefore, not allow the products of combustion in the boiler stay too long memory

For the continuous improvement of the province's environmental air quality, enhance people's happiness index, Henan Province Government Office issued the "2019 campaign of air pollution control implementation plan." Details are as follows.

1, to carry out special treatment industrial furnaces

Based on the melting furnace, the melting furnace, sintering machine (furnace), roasting furnace, a heating furnace, heat treatment furnace, a drying furnace (kiln), coke oven gas furnace 9 categories, to carry out an intensive investigation, the establishment of industrial furnaces Details inventory management, enhance the implementation of classification regulation. Not included in the investigation of industrial furnaces list, all included in the autumn and winter peak load shifting discontinued inventory.

2, to carry out clean alternative

Of coal, petroleum coke, residual oil, heavy oil as the fuel of a heating furnace, heat treatment furnace, a drying furnace (kiln), and actively promote the use of natural gas, electricity and other clean energy and the use of plant waste heat, heating power plant and the like instead.

3, to carry out comprehensive improvement of industrial boilers

Before the end of October 2019, in addition to undertaking tasks and will not have the alternative livelihood conditions, the province's basic complete 35 steam tons / hour boiler clean energy transformation or removal of coal-fired. Transformation methods include the removal, an alternative central heating, gas coal, coal to electricity, use geothermal, wind, solar, biomass with a bag filter. Chaigai on schedule to complete the coal-fired boilers, based on 40,000 yuan / tons of steam prize money up. Forbidden to use has been shut down and eliminate waste coal-fired boilers to cash rewards and subsidies.

4, strengthen upgrading gas-fired boiler

Before the end of October 2019, the provincial municipality and county (city) district built more than 4 tons of steam and low nitrogen gas boiler complete transformation after transformation, soot, sulfur dioxide, nitrogen oxide emissions are not higher than the concentration of 5,10,50 mg / cubic meter.

5, strengthen upgrading oil-fired boiler

Before the end of October 2019, the provincial municipality and county (city) district built more than 4 tons of steam and fuel (including alcohol-based fuel) boiler low nitrogen complete transformation after transformation, soot, sulfur dioxide, nitrogen oxides emission concentration is not high in 10,20,80 mg / cubic meter.

6, vigorously promote urban central heating

Full use of existing resources and central heating facilities, the existing large-scale heat sources and central heating pipe network in the area, in-depth investigation heating demand, and promote the rich heating capacity extends to reasonable radius and root out the potential heating, heating reduce blind spots. Before the end of October 2019, Zhengzhou, Anyang, Jiaozuo, Puyang City, built-up area of ​​central heating penetration reached more than 90 percent, Xinxiang City, central heating penetration reached more than 85%; Luoyang, Xuchang, Jiyuan City, central heating penetration reached 3 more than 80%; Sanmenxia central heating penetration 75% or more; unsealing, Pingdingshan, Hebi, 4 Zhumadian City, central heating rate of 70%; Luohe, Shangqiu, Nanyang 3 City central heating penetration reached 60% .

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