mustafa group hot water boiler
Henan high-pressure gas boiler manual cut-off valve and pressure valve common faults Henan gas boiler has played a very important role in the system, the valve disclosure of which would cause the system to drain a lot of soda, economy affect staff and crew. Symptom pressure valves 1.Henan gas boiler: (1) a high-pressure valve packing leakage. (2) the valve leakage. (3) valve leakage. Pressure valves reasons 2.Henan gas boiler analysis: (1) the packing gland bolts loose, with the door lever Grand large gap beyond quality standards. Low (2) the accuracy of the valve stem, bending and corrosion phenomena. (3) a filler selected unreasonable. (4) a filler filling process does not meet the requirements. (5) in conjunction with the valve seat surface of the valve body and the difference RESEARCH repair mass, of less than the required quality standards. (6) run there is debris in the valve body and the valve seat in conjunction with the card surface. 3. The processing method of high pressure valves Henan gas boiler: (1) retighten the packing gland bolt, the force should be appropriate to have a lid margin. (2) re-calibration stem rust. (3) selection of qualified high-temperature packing rings. (4) when the valve Henan gas boiler maintenance, carefully check valve body, the valve seat joint surface damage, according to the development of maintenance inspection program. Valve grinding (5) Henan process gas boiler, in strict accordance with the maintenance package, the choice of a suitable grinding tool. (6) can be isolated from the system to replace the same size valve, the system pressure can not be isolated using the method of plugging repair. 4. Henan high-pressure valve precautions gas boiler: (1) strict inspection process. (2) to strengthen the inspection, to detect problems in time.
Drum is the so-called Inner Mongolia, 100 tons of equipment above the boiler, and it exists inside the furnace is horizontal, the main significance of its existence is to serve as storage tanks. It is by the steam separator, steam dryer, water supply, the downcomer continuous sewage pipes, the riser pipe, the steam conduit arranged like composition. In daily work, we have to carefully check the level of drum level, because the security of its position the device will have a great impact. Therefore, we must overhaul the drum at the time of overhaul. Specifically, to check the place which is not unreasonable, the inside is not damaged, but also regular cleaning to ensure none of the impurities present.
Check what needs to be done before the start gas water boiler furnace? Gas mustafa group hot water boiler is now very high frequency of a pressure-type equipment, but also generate a lot of steam at run time, so if the staff did not follow the rules and regulations to give the operator will cause the accident security issues. In order to improve safety awareness fireman, efficient and practical all-round gas hot water boiler manufacturers will be described hereinafter: gas hot water boiler needs to be done before starting work to check what. 1, check the connection parts and gas pressure value before the start furnace fireman, first check valve is connected at each gas hot water boiler, ensuring open and close state of the valve is desirable, in addition, also check gas gas storage pressure tank is not in the specified range, if the pressure does not want to be checked immediately after confirmation of the order to open the valve ready to start gas supply to the boiler furnace. 2, boiler water supply system checks we all know burning inside the boiler water, will generate a lot of steam after the water reaches boiling point to power the device, if there is no water inside the boiler water level is too low or too high will lead to security risks, so the fireman ready to start work before the furnace, to carefully check the water supply system for a gas hot water boiler, the first to look at the water level enough, if not in time to Sheung Shui, the second to be able to Sheung Shui is normal, if not normal is necessary and timely treatment . 3, check the water level in the boiler water level plays an important role in the gas hot water boiler, allowing fireman understand the current water level in the furnace is how much, if the water level problems can not keep abreast of the status of the water level, thus planting Security risks. Therefore, before Kai furnace, fireman to check whether the water level can work properly. In general, companies will purchase high-quality boiler after a good understanding of gas hot water boiler which brand to use, however, in order to secure the use of boilers, gas hot water boiler fireman needs to do to check all aspects of the oven until ready to start , gas hot water boiler can be started only after the confirmation of these parts are no exception.
In order to promote technological progress and sustainable development, improve environmental quality and protect public health, recently, the Liaoning Provincial People's Government of air pollutants for coal-fired power plants developed specific criteria (hereinafter referred to as the "standard"). This is the first time a set of policies Liaoning Province for air pollutant coal power plant.
"Standard" provides for pollutant discharge limits, surveillance and monitoring requirements within the jurisdiction of coal-fired power plant in Liaoning Province atmospheric and fugitive emissions control requirements. Since the implementation of the standards, air pollutant emissions coal-fired power plants all within the jurisdiction of Liaoning Province will be executed in accordance with the provisions of this standard.
2, since January 1, 2019, the emission limits of existing single output and more than 300MW generating units supporting the provision of a coal-fired power generation boilers execution table.
3, since 1 December 2020, the emission limits of existing single output 300MW generating units supporting the coal-fired power generation boilers and other power boilers as specified in Table 1 execution.
Sampling the exhaust gas (1) power plant, to be carried out in a predetermined position in accordance with the type of monitor emissions monitoring contaminants. In the discharge of pollutants should be set up to monitor the position of long-term monitoring holes, sampling platform and related facilities. When the sampling platform height from the ground greater than 40m, should be set by a lift platforms, lifts or other convenient and safe facilities. No elevator or elevator building coal-fired power plants, when the sampling platform height from the ground greater than 20m, should be set up safe, convenient electric monitoring equipment hoisting facilities.
Composition structure (3) continuous monitoring system atmospheric pollutants, technical requirements, test items, test methods and installation, commissioning, acceptance, operation management, data processing, etc. according to the provisions of HJ75 and HJ76.
(5) continuous monitoring system meter of air pollutants detection sensitivity, detection limit, and should meet the range of low concentrations of pollutant emission monitoring technical requirements, the concentration of nitrogen oxides include nitric oxide (NO) and nitrogen dioxide (of NO2), Determination of nitric oxide only has the ability to configure the analytical device of nitrogen oxides NO2 / NO converter.
(7) for coal-fired power boiler emissions of air pollutants sampling monitoring, sampling frequency, the sampling time and the operating load requirements,, HJ / T397 and related predetermined low exhaust gas concentration monitoring is performed according to specifications GB / T16157.
(9) shall be in accordance with the provisions of the enterprise "Environmental Monitoring and Management Measures" and the HJ819, HJ820 requirements of pollutant emissions and its impact on environmental quality around to conduct their own surveillance, monitoring and save the original records, public information.
Determination of air pollutants fired power plant analysis are shown in Table 2. After the release of the present embodiment national standard method of monitoring criteria pollutants, such as applicability to meet the requirements, the same applies to the determination of the corresponding standard contaminants present.
2, responsible for overseeing the management of this standard by the executive authorities and the standardization of administrative departments above the county level environmental protection. The results of the environmental protection departments at all levels and other relevant units in the enterprise supervision and checks can be instantly sampled or monitored the scene as determining whether acts of sewage meet emissions standards based on the relevant environmental protection and the implementation of management measures.