High Efficiency Oil Boiler Steam Boiler

High Efficiency Oil Boiler Steam Boiler

Recently, the Changsha City issued a notice on the transformation of low nitrogen gas boiler related documents. Details are as follows:

1, a total transformation time for two years, 2019-2020 years.

2, the transformation range: High-tech Zone, Furong District, Tianxin, Kaifu District, Yuhua District, Yuelu District administrative region, the city of hope Gaotangling Subdistrict high Tong Ling Area, Osan streets Yujia slope Area, Lake Daze in the region ban on burning streets, white sandbar streets, moon Island street, Jinshan bridge street, Golden Park street, Xingsha streets of Changsha County, Hunan Long street, Quantang streets, Langli streets, long queue streets, such as the scope of the existing town of Sha It is not less than 1 ton of steam (greater than or equal to the rated power or hot water boiler, organic heat carrier in the boiler 0.7MW) gas boiler (facility) (boiler equipment including special directory outside the range) low nitrogen unit owners embodiments transformation. Or more areas outside the area of ​​self-implementation.

3, the transformation of the standard limits: the new replacement and overall gas boiler Changsha NOx emission is less than 30mg / Nm³; gas boiler (facility) was transformed with the nitrogen oxides emission concentration of less than 50mg / m³.

4, 2019 Task: In addition to the Furong District, Yuhua District, within a range of high-pollution fuel combustion zone ban other jurisdictions to start the transformation from June 2019, 50% complete gas-fired boiler (facilities) low nitrogen transformation and complete acceptance.

5, 2020 Tasks: Before the end of October 2020 to complete all gas boilers (facilities) within the range of high-pollution fuel combustion zone ban on low-nitrogen transformation and complete acceptance.

Industrial gas high efficiency boiler steam boiler room planning considerations: industrial gas steam boiler room Planning Considerations What? Followed by the degree of technological progress from time to time, the rapid expansion of social economy, people's requirements for industrial gas boiler room planning have become more sophisticated. Now now, in the industrial gas boiler room planning there are still many achievements in urgent need of treatment, therefore, we have to enhance the learning and use of advanced planning practices and advanced technology, from time to time suspend the development and review of industrial gas boiler room planning, the industrial gas boiler housing plan is more suitable, safe, reliable and economical. 2, selection and use of industrial gas boiler at a reasonable selection of urban planning, boiler, environmental management and other mission boiler type is dropped purification, waste power, an important part of reasonable expenses. Set the cost of the boiler is one of the essential elements of when thinking of selection. Because the characteristics of industrial gas boiler itself, the boiler room and equipment to establish a more economical, should be used in high load industrial gas furnace heat boilers in order to reduce the volume of the furnace. Due to the absence of heating surface cleaner, slagging, wear results, the smoke may use a higher speed, reduced scale of the convection heating surface, convection through the rational placement control the industrial gas boiler capacity of coal-fired boiler with a more compact structure, dimensions small, light weight, in order to decrease equipment investment; supporting auxiliary boiler optional satisfactory work. Industrial demand for gas-fired boiler is not equipped with soot blowers, dust, slag and other equipment and fuel dryer slave device, and can save and land acquisition costs placed above equipment; the use of a gas pipeline walks as boiler fuel, not only no fuel storage equipment, supply calm and without prior preparation of fuel processing equipment, greatly simplified the trivial; civil engineering boiler room investment costs and other related costs will lower; no fuel storage, can save shipping costs, place and rest force. Boiler room non-essential equipment such as leak detection equipment for the surge equipment, measurement equipment, gas. Coal, oil, gas boiler three kinds of heat load in the opposite situation, a huge volume of coal-fired boilers, additional slack style drums, Fan, Java machine, dust collector, but also with storage of coal, slag heap place, It covers an area larger. Industrial gas boilers small volume itself, and these need not be equipped with auxiliary equipment, simply set up between a host and auxiliary room, set on more messy, covering economy. Industrial gas boiler city gas source is generally taken from the intermediate pressure gas supply line, the gas pipeline laying gas sampling point to the boiler room, then according to quell's brand, type and caliber regulating device applications, scheduling outlet pressure range, by metering the put into use. Establish a set fee just gas network tariffs, pipeline fees, hot walks pipeline fee. Gas pipeline network overall cost of capital is the sum of the gas company funds charged to the user, it can be determined depending on the circumstances around the gas company. Usually adopted buried gas pipeline type, buried depth is generally about 0.8m ~ 1.0m, seamless steel pipe can be selected or PE pipes, pipe surrounding sand 15cm ~ 20cm plating, hot water pipe laying relatively simple, somewhat messy steam pipe walks . 3, industrial gas boiler room planning results in the presence of 3.1. Selection of the size of the heat load of the boiler and its expansion tend to choose the boiler capacity, the number of great links. The larger heat load, single boiler capacity should be large. The near future can be greatly increased thermal load, it is also relatively large capacity boiler can choose, it will expand the load thought. The only thought to increase the long-term thermal load, the expansion device may leave the boiler placeholder deployment end in the boiler room, or space left on the total FIG. However, in the practice of project planning, often there is a lack of expansion heat load estimates, constitute improper boiler selection, pre-operation to cause unnecessary trouble. 3.2. Gas boiler gas regulator trivial results generally used in high-pressure (less than 5kPa) and medium voltage (5 ~ 150kPa) trivial. Gas usually before entering the boiler room will arrive this requirement. Now the gas hot water boiler is equipped with a high level of automation subsided, a calm requires the gas pressure is lower, so before further demand into a calm pace pressure boiler manufacturers themselves generally equipped. Gas pressure regulating trivial demands reliable equipment, but on the size of the gas pipeline valve is open due to the gas pressure when scheduling the gas pressure is high or low, and tempering will cause off, start and stop frequently subsided's configuration, thereby affecting the boiler work. 3.3. Gas boiler quality results planning standard gauge, the quality can not be ensured when the gas, should be provided or dust, oil and water, respectively, and a total closed drain valve before the gas main pipe before the regulator device. Most of the oil production plant in the use of oil with anger, it is often said of moisture in the summer cold weather, moisture and light hydrocarbons and other substances containing moisture, condensation will constitute a line blockage, an initiative to quell the flame, impact Heating. 3.4. Chimney condensate results because of the high thermal efficiency of industrial gas boiler, a low exhaust gas temperature, typically 180 degrees, the boiler room planning criteria (GB50041-2008) rules industrial gas boiler room chimney should be reinforced concrete or steel chimneys chimney. Chimney will appear directly in the outdoor summer steel chimney condensate freezing results, constitute icing light rusty steel chimney, would constitute a temporary corrosion, freezing severe affect chimney smoke. 3.5. The amount of air to quell the outcome's when quell Industrial gas boiler is in the boiler room, the air between the boiler must be satisfied the requirements apply to quell the device, otherwise there will be no abundant natural gas to quell working carbon monoxide poisoning.

Operation of a gas boiler gas boiler in Henan related to maintenance, the ignition operation, fire, shutdown and some other operational measures: First, the gas boiler maintenance Henan, operating procedures should be required to carry out tests on the gas transmission main boiler protection devices, ensure that the main protection correct action. Second, the ignition process Henan gas boiler, fuel pressure, fuel temperature, steam pressure atomization, atomization steam temperature and other parameters must meet the requirements of operating procedures, good place to observe oil gun fire, fire detection return to normal, prohibit short-energize inspection signal forcibly put into the oil gun running. Single oil gun when the flow is greater than 0.65kg / s, exit the gun should be run immediately. Third, observe boiler ignition temperature rise rate of fire smoke significantly Pianman furnace flue gas temperature of the main steam temperature, steam pressure rises when the main, the case of smoke or boiler ignition temperature did not rise immediately to check the opinions of the oil gun, if No fire was found after the fuel into the furnace, emergency shutdown, re-ventilate the furnace purge Do not allow to run into the boiler ventilation oil gun. Fourth, note that starting mill to check whether the subject returns normally coals, coal mill outlet temperature of greater than 70 deg.] C line is allowed to increase the amount of coal (three grinding mill operation start of the fourth stage, the coal mill outlet line than 80 ℃ temperature allowed to increase the amount of coal, to prevent excessive vibration furnace). Full stop before the gun when the present discharge amount of coal is increased 5.0kg / s or more. 6.3.5 Operating Henan gas boiler, "furnace black", "lose the protection of the main fuel" must be put into operation as required operating procedures. In case of a fault protection device itself appears to be temporarily out of operation, to be approved by the competent manager or chief engineer before implementation. "Furnace black", "main fuel unprotected" means the period out of operation, priority monitoring attendant to furnace pressure, the oxygen, the main steam temperature, the main steam pressure and other parameters, and through the furnace of fire industrial television monitor, and if found hearth fire, emergency shutdown. Sixth, Henan gas boiler normal operation, the fuel system and oil spare gun good condition, found that boiler combustion instability immediately put oil combustion. Seven, after Henan gas boiler fire, into the oil gun is strictly prohibited without the operation of the boiler ventilation. Eight, gas boiler has confirmed the fire, when the MFT is not operating, emergency shutdown, and check that the two primary air fan, 4 mill, 16 oil gun has stopped running. Back nine, Henan gas boiler trip or normal shutdown to be purged immediately ventilate the furnace, the furnace unburnt coal dust and combustible gas pumped in a timely manner. And promptly shut down the boiler supply and return oil total gate manually to prevent leakage of fuel oil gun into the furnace. Ten, Henan gas boiler shutdown purge gun ban mill and pulverized coal into the furnace exhaust.

Steam boiler preventive measures introduced Common Failures and precautions high efficiency boiler steam boiler and steam reciprocating pump 1. 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. Fuel gas boiler is not only fuel but also refers to the gas boiler. Previously no such dual-fuel boiler, burner because either fuel or gas, no dual fuel burners. With the rapid development of the world energy equipment, some European countries begin production and sales of fuel gas burner, dual fuel burner and boiler combination of organic birth of a new breed of boiler - fuel gas-fired boiler. Near the steam boiler room should be equipped with adequate and effective fire fighting equipment. 2. Steam boiler room must have staff on duty 24 hours, the guards take turns, and always check the water level in the boiler, in order to ensure that it is above the safety line to prevent an explosion caused by burning dry. If the fire operation in explosive areas must obtain a work permit fire and take adequate fire safety measures in order to carry out fire work. When the fire should send someone on duty at all times observe the fire situation. 3. A storage vessel containing the non-flammable gas in the boiler room. 4. The staff of steam boiler room must be certified before the arrival of the boiler and proficient technique, it has a certain capacity to detect and recognize security risks. 5. If the boiler safety on a regular basis in accordance with the boiler maintenance procedures, should be carefully examine each of insecurity in the inspection process. 6. Distribution Line steam boiler room disposed defective safety device using a metal tube or pipe nonflammable hard plastic protection switch box should be installed outside the boiler room, respectively, to achieve power, should be prohibited. 1. What is the reason there is no discharge of steam reciprocating pump is? How, how? A: (1) Failure: 1 suction or discharge pipe blockage. (2) out of the stuck valve. There is an air cylinder. (4) a suction tube connected lax. (5) column (live) seriously damaged piston ring. (2) Method excluded: (1) exclusion of pipe blockage. (2) Remove the inlet, the outlet valve on the plug. (3) filled with water, the air is discharged. (4) fastening the pipe. (5) Replace Column (live) piston ring.

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