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Boiler installation of "blast doors," What is the role now on the market most of the boilers to gas, oil, biomass, electricity as the main fuel, coal-fired boilers because of its harmful pollution levels gradually been changed or replaced. In general, no boiler explosion during normal operation, but if it is due to the improper operation of the ignition or operation, it may cause the furnace or tail or secondary combustion flue explosion, resulting in serious danger of impact. In this case the role of "explosion vent" is manifested when the furnace or flue trace knocking occurs, the pressure within the furnace is gradually increased, when a certain value is higher than the pressure relief device can turn on itself through the explosion vent to avoid the risk expansion to ensure the overall safety of boiler and furnace wall, more importantly, it is to protect the safety of the boiler operator. Currently there are blasting boiler membrane and two kinds of swing-proof door. Swing-proof doors are mostly placed in the furnace wall of the combustion chamber. Their installation position can be divided into vertical and tilting, by the door frame, the door and the hinge member and the like components. The door frame and multi-cast iron round or square, the width of their mutual contact surface generally is 3 ~ 5mm, and to ensure seamless tight. The door is coated with a heat-resistant concrete, which limit the pressure according to a desired thickness value has been calculated or determined experimentally. When the gas in the furnace or flue explosion, the door is automatically turned about the shaft relief, and then shuts itself down. Sealing pressure of the vent door from the inclination angle (usually not more than 30 °) or the downward pressure created by the weight of a weight is obtained. Most membrane blasting explosion vent means on the flue, and a clamping device consisting of explosive membrane. Bursting disc is typically made of a thin metal plate of asbestos, aluminum and stainless steel. When an explosion occurs in the furnace or flue gas generated shock wave pressure to bursting membrane damage, play the role of relief, once the explosion vent membrane after blasting effect, it will not reset itself, the clamping device must be open blasting repositioned membrane. Note 1, the position of general device explosion-proof door on the wall or on top of a 0 5 ton fired steam boiler furnace furnace exit side of the furnace flue fuel gas. 2, explosion-proof doors should be installed in place without the threat of operator safety, and a pressure relief guide tube, it shall not be stored near inflammable and explosive materials, highly preferably not less than 2 meters. 3, activity blast doors require regular manual test to rust dead.
Category Description oil-fired boiler fuel gas-fired boiler is different from coal-fired boilers, which requires the use of a burner fuel is injected into the boiler furnace using a combustion chamber without the use of fire grate facilities. Because not produce fuel ash after burning fuel gas-fired boiler, fuel gas-fired boiler so without slagging facilities. If the hydrocarbon injected into the furnace with the air mixing within a certain range, or turned off, it is easy to explode. Therefore, fuel gas-fired boiler combustion required to adopt automation and control systems. Fuel gas boiler compact, small boiler and ventilation, water supply, control and auxiliary equipment are arranged on a chassis, the assembly may also be medium-sized factory. Boiling water boiler fuel oil boiler fuel, also known as water heaters, stove oil, furnace fuel tea, water boiler fuel, is living in a boiler, belong to the category of civilian atmospheric boiler. The boiler is a fuel oil as fuel by a burner to heat the water, when the water temperature reaches the set temperature (water), the burner stops working, heat boiler into the automatic state, the user starts to provide water, oil and water if the boiler holding tanks connected to meet like hospitals, schools and other centralized water supply demand type units. Hot water boiler fuel oil hot water boiler fuel refers to fuel have mainly boiler fuel hot water boiler with a high-tech automatic control system, with a number of security devices, water protection, overpressure protection, flame protection abnormal pressure protection, over-temperature protection flue; using high-tech structures, having a body holding a small, compact and easy to install, simple operation, automatic adjustment, the pressurized fuel to the atomizer, and then allowed a slight positive pressure fuel combustion burner more fully, to reduce the loss of gas emissions and fuel, it is a modern industrial steam to use the most convenient and most energy-efficient, environmentally friendly standard products. Fuel 0 5 ton fired steam boiler fuel (gas) steam boiler, a horizontal combustion all wet back, efficient threaded pipe, with a sound insulation outsourcing design, the boiler thermal efficiency as high as 85% or more, product design, rational structure, process performance is good, so that this product has extraordinary excellent quality.
According to the central environmental supervision feedback on the issues raised in item 50: "Mudanjiang 108 wood processing enterprises, 69 there is the issue of illegal construction projects, companies supporting more than 114 boilers for small hand-burning stove, black smoke very serious people to report complaints, "the rectification of the problem. Mudanjiang City, Heilongjiang Province, the municipal government attaches great importance to conduct a comprehensive renovation work for small coal-fired boilers.
The beginning of tasks to carry out, Municipal Environmental Protection Bureau of Mudanjiang City Center 108 existing wood processing enterprises in coal-fired boiler equipment to be checked. Inspection and found 69 illegal construction projects there is a problem, companies supporting more than 114 boilers for small hand-burning stove, black smoke is very serious. To date, there are 65 companies to complete the record, four enterprises waste industry. By Trade and Industry Bureau of Quality Supervision and verification, 114 sets of small boilers of this regulation in the wood enterprises, has completed the transformation units 62, cancellation, revocation 23 units, idle shutdown, waste industry 26, and removal of three. Wherein Yangming boilers zone 97 (where the 58 transformation is complete, the boiler cancellation, revocation table 21, the idle shutdown, industry waste boiler 18); boilers zone 12 (where the grid and transformation of the two, the idle shutdown the six, cancellation of Taiwan, has been demolished three); Dongan District 3 boilers (in which the transformation is complete for two, small boilers cancellation Taiwan); Xi'an area, Edmonton area each in Taiwan, the company has waste industry.
Next, the relevant departments will conscientiously implement the municipal government on Ecological Construction Decision deployment environment, learn from experience and practice fraternal units, work together to tackle, wood enterprises continue to consolidate and expand the results of pollution remediation, pollution prevention and determined to win the battle , to create the sky bluer, more green mountains, clear water and more beautiful environment, Mudanjiang modernization and make due contributions.
Electric 0 5 ton fired steam boiler steam boiler characteristics 1, security: 1 leakage protection: When the boiler leak, promptly cut off the power supply through leakage circuit breakers, to ensure personal safety. (2) Water protection: When the boiler water, promptly cut off the control circuit of the heating tube, heating the tube to prevent damage to dry. Meanwhile, the controller sends water alarm signal. Ground fault protection: charging the boiler housing, the leakage current through the ground line to ground is introduced to ensure personal safety. In general, to maintain good protective grounding wire connected to the metal, the depth of the underground pipe angle as grounding, the grounding resistance should not exceed 4. Steam overpressure protection: When the boiler steam pressure exceeds a set limit pressure relief valve start and release the steam to reduce the pressure. (5) The overcurrent protection: When the boiler overload (high voltage), earth leakage circuit breaker is automatically disconnected. Power Protection: With advanced electronic circuit detects over-voltage fault condition, voltage, disconnection, to provide reliable power protection. 2, to facilitate: a power supply after the introduction of the electrical control box, a key press operation, the boiler will enter (or leave) the automatic running. (2) reducing the water boiler, the control system will automatically replenish the water tank to the boiler through a replenishment pump. 3. rationality: In order to reasonably effectively utilize electric energy, in particular the heating power divided into several parts, automatic cycle input by the controller (cutting) the heating power according to a user's actual needs, just close leakage breaker ( or press the corresponding switch) can. Biomass boiler is a kind of boiler to biomass energy as a boiler fuel called biomass boilers, steam boilers into biomass, biomass hot water boiler, biomass stove, biomass thermal oil heaters, vertical raw biomass boilers, biomass boilers and other horizontal. Heating pipe segment switching cycle reduces the impact on the grid of the boiler in operation. 4. Reliability: a bottom of the boiler furnace using arc welding, manual welding surface of the furnace cover, and the furnace strict X-ray detection. (2) boiler steel production in strict accordance with the standard selection. (3) boiler accessories selected domestic and international high-quality products, and the boilers were tested in order to ensure long-term normal operation of the boiler. Oil (gas) steam boiler steam boiler 1. Gas burner provided by the well-known manufacturers in the world. According to a command of the controller, the automatic combustion stop, the program controller having a plurality of independent security protection, security and stability performance, low maintenance. 2, the controller automatically advanced steam boilers, Chinese LCD display, man-machine interface, the user simply easily set, according to user requirements the boiler can start and stop, load adjustment, automatic water supply automatic operation. The boiler fully functional, complete protection, simple operation, safe and reliable, has a self-diagnostic function. Once the boiler operation anomalies occur, it will automatically interrupt burn, concurrent sound and light alarm. 3. Zhuoyi Li steam boiler burner shutdown mode, two circuit configuration, fuel combustion, boiler stable; flue insert spoiler, smoke slow speed, increasing the heat transfer, high thermal efficiency, reduced user cost. 4. The steam boiler is a horizontal shell-and refluxed for three full moisture pyrotechnic reflux pipe structure, not only improves the strength of the heat absorption of the boiler, but also meet the needs of the expanded heat transfer surface, a scientific and rational. There are heating and hot water boiler bath for two purposes. Hot water boiler by circulating hot water circulation pump hot water holding tank, the tank hot water heating cycle can be achieved bath object; hot water boiler by circulating hot water circulation pump heating conduit, through the heat sink (radiator) people can achieve heating requirements; hot water boiler and hot water circulating pump with heat exchanger can be achieved bathing and heating dual function. Durable.
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