Steam boiler pressure gauge should pay attention to matters 1, rated steam pressure less than 2.45MPa 20 ton diesel fired steam boiler in karaganda and pressure gauge accuracy not only in 2.5; rated pressure steam boiler child or equal to 2.45MPa, the pressure is too spread made not less than 1.5 level. Dial gauge diameter of not less than 100mm, in order to ensure the operation of the operator to see the surface of the pressure value shown. 2, should draw the red line on the dial gauge steam boiler, he pointed out that the maximum allowable working pressure. 3, the steam boiler pressure gauge should be provided at a convenient place to observe and purging, and to prevent the high temperature affected, freezing and vibration. 4, steam boiler pressure gauge should check at least every six months once the check should seal. 5, the pressure gauge connection tube steam boiler should leaks steam leakage phenomenon, otherwise it will reduce the pressure instruction value. 6, a steam boiler gauge scale element should be compatible with the measured working pressure, working pressure, typically 1.5; 3 times, preferably 2 times. When no steam boiler gauges, pressure gauges or pressure damage did not meet the requirements of the apparatus, boiler steam pressure gauges of the following circumstances, should stop using: 1, the surface glass breaking or blurred dial scale; 2, no seals , damage or seal verification period exceeded; 3, no pressure gauge pointer finite bit staple staple can not be restored to the limit at infinite set of bits from zero gauge pressure exceeds the pressure data bits garment allowable difference?; 4, the jump table or a pointer leak; 5, other effects gauge accurate defect. The use of the accumulator: the accumulator for a hydraulic accumulator system intermittent mechanical, hydraulic fluid may be stored in the actuator output when a batch or a low speed, and the actuator requires a large flow of fast-moving, as an auxiliary energy providing oil to the system together with the hydraulic pump, oil pump and thereby achieve miniaturization of the entire hydraulic system, to achieve the object of absorbing the impact energy sudden change fast opening and closing valve and the hydraulic load, the system generates a pressure shock, pet cause vibrations and noise, and even damage the machine. The accumulator can be alleviated, which absorb fluid shock absorber pressure pulsation absorbing accumulator, and reducing the pressure pulsation and flow pulsations of various pump, thereby reducing system noise and vibration. Having a damping effect of the gas spring accumulator, it can be used to absorb the mechanical vibrations between the body and the traveling wheel of the vehicle and the like. The accumulator can be balanced upright actuator (hydraulic cylinder) and gravity load decreases when the potential absorption into hydraulic energy store, while generating the rate-limiting resistance; upright when the actuator rises, releasing the original absorbing energy accumulator , together with the pump oil to the hydraulic cylinder, in order to achieve balance and energy.
It is well known that the petroleum and petrochemical industry is inseparable from the use of large-scale steam boilers for thermal energy conversion or filtration use. The reason why steam-type boilers will be selected for processing use. Because not only high thermal energy but also energy-saving and environmental protection can meet the needs of petroleum and petrochemical industry. Professional steam boiler can not only help the petrochemical industry to process smoothly, but also help enterprises to produce huge economic benefits to improve the production of petroleum processing. Let's follow the editor to see why steam boilers are used in the oil industry:
1, it can save processing costs more effectively because steam boilers can save energy and environmental protection in the process of processing and use to reduce power consumption, so the use of the corresponding in the petroleum and petrochemical industry can reduce the larger cost investment. Moreover, steam boilers use electric energy to process and use, so they can effectively save a lot of energy consumption and help enterprises reduce costs. Reducing the cost can be more beneficial to the petrochemical industry to use a large number of processing to improve economic efficiency.
2, the reason why steam boilers are selected for long-term processing and use in the oil industry with high safety and stability of steam pressure is also because steam boilers are stable in operation and can carry out effective range control. Moreover, the boiler can control itself in the safe operation of steam pressure value, and ensure the safety and stability of the equipment in the process of operation. Therefore, it is especially suitable for petroleum and petrochemical industry with large processing capacity and long duration.
3, boiler energy-saving technology highlights that petroleum needs the conversion of boiler thermal energy in the refining and chemical process to carry out normally, and steam boiler has unique energy-saving technology and can automatically feed water through frequency conversion technology. Moreover, the steam temperature and pressure can be automatically adjusted under stable conditions, so it can be more energy-saving and stable compared with the continuous working process, and it can also save energy and reduce emissions while ensuring the normal supply of petroleum processing at the same time.
Class B, a predetermined alarm and an oil pump Heat Transfer Material Heater described organic heat boiler, which is a boiler, but also the more common and popular. So, based on this, then, will explain the boiler-related knowledge, so that we can know and understand it, and at the same time, can increase their expertise in this area. So, based on this, then, will be immediately proceed to enhance everyone's learning efficiency. 1. Organic Heat Carrier boiler organic heat carrier, which specifically refers to what? It belongs to the hazardous chemicals it? In addition, B-class boiler, is how these two provisions of the vapor and liquid organic heat carrier boiler? Organic heat carrier boiler organic heat carrier, the specific terms of the case, which means that thermal oil is an oil. Due to its ignition point and flash point is relatively high, therefore, does not belong to dangerous chemicals. And Class B boiler, gas and liquid phases of the two predetermined specific species, is: Q is greater than 0.7MW gas furnace, the furnace is liquid Q is greater than 4.2MW. 2. Organic Heat Carrier boilers, pumps and expansion tank low level alarm, whether there is a connection? Organic Heat Carrier boilers, pumps and expansion tank low level alarm, there is no necessary connection, because, pump alarm, there is only pressure alarm, and the expansion tank low level, it is a lack of oil expansion tank, which when should oiling system to perform work up the oil. 3.G1 certificate, which it can operate the boiler will be? Among them, this one contains organic heat carrier boiler? G1 syndrome, type boiler which can operate, for: rated pressure not greater than 0.4MPa, and the evaporation amount is not greater than the rated 20 ton diesel fired steam boiler in karaganda 0.5t / h of. In addition, there is not greater than the rated power of 0.7MW hot water boilers and organic heat carrier boiler two boiler. These questions are all about this kind of boiler organic heat carrier boiler, and also we must know and master, because the only way to make yourself and learn something instead of nothing. And, for us it is also a very good opportunity to learn, therefore, should cherish is.
January 16, Harbin Municipal Environmental Protection Bureau Director of the atmosphere and noise pollution control at the public hall, Li Bin, said: "Harbin problem-oriented, focused on solving the coal pollution environmental air quality, autumn and winter of straw burning pollution." By a wide range of governance, 2018, Harbin has made in terms of ambient air quality improvement remarkable results, the standard number of days 310 days, an increase of 40 days, for the introduction of new environmental quality standards since the best of the year.
Prior to 2017, the total removal of Harbin urban built-up area of small boilers range of nearly 3,000. 2017, Harbin started the largest in the history of the elimination of small-scale boilers battle, tear down 9 district built-up areas and industrial parks within a small boiler 2074 units. 2018, further expanded the phase-out range, expanded from 9 Zone has outside built-up areas, where the built-up area in District 9 out of 10 tons of steam per hour of coal-fired boilers to achieve foundation "clear" on the hour and eliminated more than 10 tons of steam coal-fired boilers 99 units, out of the city a total of 1191 units. The results accumulated over the years, significantly reducing the use of coal, reduce emissions of pollutants.
According to reports, in the fall and winter seasons, Harbin straw Jinshao pay close attention to the work to implement the five grids responsibility, building straw Jinshao 24-hour duty system inspections, inspection teams at all levels of uninterrupted inspection. In addition, Harbin has also implemented emission standards of air pollutants, vehicle control, open-air barbecue ban, dust management, especially in heavy weather pollution contingency timely warning, take active control measures played a role in the down-clipping. Through various management, air quality has been greatly improved.
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