d type gas boiler biomass fired hot water boiler
Work and family considerations boiler shutdown boiler inspection carried out maintenance before restarting operation, the need for a series of maintenance work, combined with the user experience and learning references, be aware of the following specific boiler maintenance work and family considerations. 1. Preparation (1) before the boiler before the boiler equipment maintenance inspection, as in normal shutdown program is stopped, slow cooling, water circulation and ventilation through the furnace, and gradually lowering the temperature of the boiler furnace. When the temperature dropped below 80 ℃, the door opening open various checks on the boiler. Prevent steam, hot water or cigarette burns when opening the door opening. (2) Steam test boiler feed water, should be separated from the sewer line with the respective other operation of the boiler. Blind for a separator plate should be sufficiently strong to avoid high pressure medium in the broken drum is operated. This clearly indicated the blocking position. Combustion chamber and the flue (3) Check the boiler should be separated from other operation of the boiler. Flue and ventilation doors must be closed tight after separating. 2, preparation of the pressure vessel (1) before the container inspection prior to examination, to be completely cut off the connection tube between the container and the gas pressure or other equipment, particularly equipment using flammable or toxic media. Not only must the valve is closed, and must be sealed with blind plates, so that the valve leaks, resulting in leakage of flammable or toxic gases into the vessel, fire, explosion or poisoning. (2) all media in the container to be discharged. Containers containing flammable, toxic or suffocating medium should be cleaned, replaced or sterilized, by sampling and analysis. A power supply associated with the container, such as a container with a stirrer, reversing mechanism, etc., must be cut off, and a clear flag indicating not allowed to connect. 3, a boiler maintenance considerations are (1) Note ventilation and monitored prior to entering the drum, the container, the drum must be opened, all in the hole hand hole in the container and the collection tank, the air convection period and adequate ventilation. When entering the drum and the container inspection, one must monitor the external device. Before entering the combustion chamber or flue must also be ventilated. (2) Note that the detection of electrical safety in wet flue drum and when the lighting voltage should not exceed 24 volts, with electric lighting. In dry flue, using appropriate security measures, it may be no more than 36 volts lighting voltage. When entering the test vessel, should be used no more than a low-pressure proof lamp voltage 12V or 24V. When the supply voltage detection equipment and maintenance tools than 36V, good insulation must be reliable grounding cord. Boilers and containers should not be used flame. (3) removably connecting member pressing the forbidden band in the inspection of boilers and pressure vessels, pressure if the fastener member needs to unload or screwing, must fully release the pressure, before it can be. Bolts or other fasteners can not be tightened or unloaded at the boiler pressure, in order to prevent accidents. (4) prohibits self-test instead of the hydraulic pressure to the boiler pressure vessel test pressure test generally use water as the pressure medium, there is no gas as a pressure medium, otherwise it is very dangerous. For structural reasons the like, water can not be used as a pressure medium test individual containers, when instead of hydraulic pressure in accordance with design requirements, should be thoroughly checked before the test, check the strength and reliability of the measures taken. Prior to implementation should conscientiously implement the design in accordance with the provisions of, and prior consent of the security sector.
Spark ignition rods gas boiler, but because the misfiring spark ignition rods gas boiler misfiring but the reasons: 1, the cyclone disc space ventilation is blocked carbon, poor ventilation. 2, dirty oil nozzle clogging or wear. 3, the throttle angle is set too small. 4, the firing bar from the leading edge from the oil nozzle tip inappropriate (too protruding or retracted) 5, the first solenoid valve is an oil debris blocking gun (gun small kerosene). 6, oily or too viscous to flow easily clogged or the oil filtration system the valve is not opened, so that insufficient suction pump, oil pressure. 7, the filter pump itself blocked. 8, the oil more water (boiling abnormal noise within the heater). Gas boiler ignition spark rod action but misfiring are: clear; the first washing, such as not renewed; turndown test; adjusting the distance (in 3 ~ 4mm as well); Remove cleaning (cleaning the parts diesel) ; For more information about oil oil oil, information technology please pay attention to the public number of oil rings. Check the pipeline and oil filters, insulation equipment; peripheral screw pump removed, carefully remove the cover inside out net oil, diesel oil immersion; renewal of the test oil. When the gas boiler and turn the fire a small fire normal, off, or flashing the causes of instability: 1, air volume damper setting fire too. 2, oil fires micro switch valve (damper outermost that group) inappropriate setting (set throttle air flow rate is greater than the fire). 3, oleaginous easy to spray viscosity is too high (heavy). 4, and the nozzle plate spacing cyclone inappropriate. 5, fire nozzle worn or dirty. 6, the preliminary fuel tank temperature is too high, so that the steam not smooth oil pump oil feed. 7, gas d type boiler biomass fired hot water boiler fuel oil water. When a small fire gas boiler normal and turn the fire extinguished or flashing instability action: Test gradually reduced; heating temperature; adjusting the distance (between 0 ~ 10mm); clean or replace; i.e., set to about 50 deg.] C may be; or drain oil change.
Recently, the district government Qingyang City, Gansu Province, deputy head of Xifeng Wang Chao organized a remediation coal-fired boilers will promote the work. By the township (street), the head of district straight relevant departments attended the meeting.
Written meeting issued atmospheric district office "notice Leading Group Office of Air Pollution Prevention
Wang Chao requires that all relevant units must concentrate efforts to promote coal-fired boiler renovation, remediation to the control list, in strict accordance with the "three three must" requirements, to promote catch, this area, this system is not in place of coal industry regulation boiler immediately carry out concentration and control, to ensure that the work complete, fully put in place. To collaborate actively cooperate with the township (street) mainly clear time limit for rectification and reform measures, solid progress. To strictly control inventory and remediation remediation standards of accountability and strengthen supervision of the ideological hesitation wait and see, action is delayed, focus on promoting renovation is not complete unit, accountability seriously investigated.
How to prevent d type boiler biomass fired hot water boiler hot water boiler explosion released belong to special equipment, but also a high temperature and pressure of thermal equipment, there will be some failures during operation, these are normal, but if not handled properly is likely to occur hot water boiler explosion. So, for safety equipment and personal safety, we have to understand some common sense prevention hot water boiler explosion. M & E network in the boiler provides the following two methods: 1, the hot boiler explosion accident prevention boiler should be designed in strict accordance with the requirements of thermal calculation and strength calculation, structural arrangements should be fair, the selection should be qualified. Manufacture of boilers, construction plans should be to ensure conformity of the quality of the boiler delineated. Boiler safety accessories should be complete, agile and reliable, and maintenance schedule, often check on the failure of the annex should be replaced. Maintenance schedule by part of the boiler to the boiler, external maintenance, the existence of a timely topic for repair and reconstruction, to ensure test quality. 2, fuel, gas hot water boiler furnace explosion prevention hot water boiler furnace point to double-check each gas line, oil line is tight (leak), pressure is normal, Installation and reconstruction of new oil and gas pipelines necessary to purge and clean. Check the ignition lead before the drum whether the fan has to take the air 5 ~ 10min, after ignition failure to analyze the reasons, then the ignition process to take the air ignition. Boiler use permit and inspection certificate did not apply for the boiler, furnace stokers right to refuse point. Enterprises should have a great fireman layout of manipulating evidence of experience points furnace fireman, fireman staff should strengthen the inspection tour, identify problems in time to prevent stalling, stalling once found, should immediately cut off fuel boiler installation should be controlled protection, including automatic ignition , flame protection, automatic adjustment of combustion and the necessary alarm chain protection.