Industrial WNS Gas Fired Central Heating Hot Water Boiler cost

Brief characteristics of coal-fired boilers and gas boilers difference: one is the most common category of boiler coal-fired boiler and gas boiler, although it is more consistent in showing the effectiveness of the integrated, but in the specific combustion, combustion products and there is a huge difference on the specific operating requirements and work processes, the following article will be brief characteristic differences coal-fired boilers and gas boilers for everyone. First, the coal-fired boiler combustion grate firing combustion, coal fired by a plane conveyor chain grate, complete combustion process in the furnace. While the combustion gas boiler combustion chamber, the gas is mixed with air in advance is set in proportion to the burner, injected into the furnace through a nozzle, the torch was installed in the furnace to complete combustion. Second, the automatic control of the force due to coal-fired boilers factors coal, coal seam thickness, the amount of blowing, the wind amount, and the air volume distribution grate speed limit, to be difficult to automatically adjust the operating parameters of the boiler according to the load. And high-quality gas boilers less impact on factors, may only be adjusted according to the size of the fire burner load, easy to achieve automatic control. Third, the combustion products of coal mainly by c, H, 0, N, and other elements composed of ash and water, but not the mechanical mixing of these components, but a very complex compound.

Commissioning of Boiler gas boiler commissioning must be carried out after the hydrostatic test. Before commissioning, should be a comprehensive inspection of each furnace parts, electronic control devices, wiring, etc. are normal, water supply, oil furnace if opened, electrical contacts are in the set position. 1, depending on the size of the fuel consumption, the initial damper, the hydraulic pressure. 2, the power is turned on, the power switch to open the cabinet, the water pump starts furnace, (if the pump is rotated into the anhydrous, pump purge valve is opened, the air exhaust pump). 3, control checks whether the normal water level electrode. 4, check the burner operation is normal. Starter burner starts combustion when the water level rose to a predetermined level, the start of combustion is normal to observe: Start no vibration noise, stable combustion, no smoke, orange yellow flame, burning bright clear. Otherwise, to make the appropriate adjustment (refer to burner instructions). Note: The oil pressure between 0.8 ~ 1.0Mpa, after a good tune, do not easily change, oil pressure is too high or too low have an effect on burner performance life. 5, check the pressure gauge pointer swing is smooth, with or without loosening stuck. 6, whether the discharge check valve is set at the set pressure steam: Pressure controller first maximum working pressure, a safety valve is adjusted to the set pressure higher than 0.05MPa, when the furnace pressure was raised to whether the exhaust pressure setting, if exhaust , pulling the safety valve a few times, and try again, if not enough to deal with safety valve to adjust. Pressure relief valve setting: boiler rated pressure + 0.03MPa. 7, check the electrical contacts of the operation: When the pressure is raised to the maximum working pressure (not exceed the rated working pressure), should stop burning, open the safety valve blowing off steam, the pressure to a minimum operating pressure (maximum operating pressure is generally lowest set to 0.10MPa), combustion burner should be restarted. Note: When the adjustment screw should slow, especially when the pointer approaches the end, otherwise, damage the screw off the wire.

Steam boilers common faults and submersible pumps fast boiler's Henan Xiao Bian introduce a common steam boiler failure problems common faults and submersible pumps steam boiler water level is with you, the causes and solutions to a steam boiler water level is a common problem its reasons: 1, the water level is too low installation; 2, water, a water pipe connected too small; 3 have a water level or a low level display instrument automatically when the water level on only one boiler; 4, drainage water gauge no grounding drain cock; 5, the drum water level is an effective, other water damage; 6, the tap water is screw fixed; 7, the tap water gauge leak, leaking; 8, water gauge false water level on a display; 9, the drum water level in the two water gauge level of inconsistency; water glass is often broken; 11, water glass is no guard; 12, the water level is low level indicating no glass panel represents red; 13, level glass plate is dirty, the water level observation is unclear. The main reason is because of 1-4 above design, installation or alteration of dislocation caused. When the steam boiler with a low water level status is when the drum water level is only one case, because the internal balancer lowland water's leakage short circuit (can not be detected at that time), causing lowland water level is high water level appears ( the so-called full of water), while the water level on the drum have shown that low water levels (and may even see the water level), then the fireman because they can not determine the true level of the boiler will go immediately and check the water level on the drum, it will be very serious water shortage delays container boiler accident occurred. Some even show the water level too low trust level's status, and take a lot of sewage, mistakenly steam boiler water when filled with water incident handling, acceleration accidents, there is precedent for such incidents to be investigated. Then, the above-mentioned reasons for the failure of 5-9 main problem is the boiler running for long periods of time rinse water, a daily maintenance is not carried out, resulting in water cock rust, gas, water and even the block, or insufficient packing or aging deterioration . False water level phenomenon, in addition to gas, water or even the cock pipe is blocked, but also could be vapor, the water pipe connected to the water level due to misalignment connected; steam, water tap handle installed the wrong position resulting cock closed, since there poor water quality, the water level in the boiler and false priming. Water gauge glass is broken mainly steam, water faucet centerline not aligned, the presence of glass bending stress; long glass without expansion gap; water gauge is being cold draft at window glass, and glass pipe quality was poor. Submersible pump is a mechanical and electrical integration of high-tech products. In recent years, due to the submersible pump in a sealed, insulation, cooling and monitoring technologies have made great progress, but also successfully achieved the automatic coupling pumps and water pipes, so that the large diameter submersible pump application significantly faster. Since diving save electric pumping station project investment, quick installation and maintenance, operating conditions greatly improved equipment reliability and service life improved significantly. At present, China is not only the production and installation of large-diameter 900 mm below the axial and mixed-flow pump, can produce diameter 1.4 m and 1.6 m large submersible pumps, has laid a good foundation for the promotion of technical diving electric pump station. Gao dive afraid of flooding, but also has good maneuverability advantages of quick removal and installation, able to cope with the water level soared, chestnut room flooding and other emergencies pieces, large-scale changes asked of submersible pumps. Henan is committed to fast boiler steam boiler manufacturing, product quality, reasonable prices and widespread industry praise, if you have any needs, please contact us!

Hebei Cangzhou issued a "special program on the implementation of standards of governance boiler." Emission standards for boiler treatment and corresponding indication made, as shown in details as follows.

First, the standard standard coal-fired boiler

1, before the end of September 2019, within the city of more than 35 tons of steam / hour ultra-low emission coal-fired boilers complete transformation, emissions of major pollutants to achieve ultra-low emission standards (dust ≤10mg / m³, SO2≤35mg / m³, NOx≤50mg / m³).

Before the end of the year 2/2020, the city eliminated 35 tons of steam / hour and coal-fired boiler, stove and stove operating a small coal stove, achieved within the city 35 steam tons / hour and the boiler "No Coal." Reserved 35 steam tons / hour and coal-fired boiler, stove and stove operating a small coal stove implementation of the special emission standards (dust ≤30mg / m3, SO2≤200mg / m3, NOx≤200mg / m3).

Retention of more than 35 tons of steam / h coal-fired boiler to install air pollution automatic monitoring facilities and networking with the environment department, to install a distributed control system (DCS system), real-time monitoring of pollutant emissions.

Second, gas-fired boiler

1, before the end of September 2019, the city completed two-thirds of the total number of units of low-nitrogen transformation gas boiler above. Among them, the central city of all gas-fired boiler and all the city's industrial and commercial gas-fired boilers to complete a full rebuilding mode low nitrogen.

2, the end of June 2020, the conventional gas boiler should be completed by transformation of a low nitrogen combustion, soot, sulfur dioxide and nitrogen oxide respectively 5mg / m³, 10mg / m³, 30mg / m³.

Third, the task

1, increase clean energy alternatives. In areas not covered by central heating pipe network, and vigorously promote geothermal, wind, solar and other clean energy, in an orderly way from coal to gas and coal to electricity, to change the power-based. In 2020, under the conditions of gas supply has been guaranteed, the city eliminated 35 tons of steam / hour and below the coal-fired boilers.

2, increase the coal management and control efforts. Coal infrared video monitoring devices to increase coal quality sampling efforts, to retain the blast furnace coal-fired boilers to be installed, Hebei coal to meet local standards "Industrial and domestic fuel coal" (DB13 / 208102014) non-coal power generation industry quality indicators .

3, strict new boiler access. Ⅲ class urban area and high-pollution fuel combustion zone ban municipal government designated a ban on new coal-fired boiler, a citywide ban on new 35 steam tons / hour and coal-fired boilers, the new 35 steam tons / hour of coal-fired boilers must in line with the municipal government of central heating planning or construction of industrial parks planning, energy efficiency reached AQSIQ "energy-saving technology supervision and management procedures boiler (TSGG0002-2010)" requirements, encourage the use of "energy efficient boiler promotion List" reached the level of energy efficiency standards boiler, pollutant emissions to meet emission standards require extremely low.

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