working principle of oil fired hot water boiler

working principle of oil fired hot water boiler

Xiao Bian now introduce gas steam boiler classification accuracy and precision hydraulic machine Henan fast boiler's steam boiler gas and hydraulic classification of a gas steam boiler By Type 1, an industrial gas steam boiler: heating and for industrial production and so on. Most of the parameters for the low, low capacity boilers, the fire bed combustion and thermal efficiency is relatively low. 2, power station boilers: mainly for power generation. Most high-parameter, large-capacity boiler, firebox and allow more efficient combustion. 3, the ship's boiler: a marine power. Such boilers generally low parameters, fuel oil, the requirements of small size, light weight, easy to move more. 4, locomotive boiler: The main use of locomotive power. Lower overall parameters are small capacity boilers, fire bed combustion, requires compact, movable. Two gas steam boiler in accordance with the kind of the working fluid and an output state classification can be divided into: 1, the steam boiler: the working fluid is steam outlet. 2, working principle of fired hot water boiler: hot water as the working fluid outlet. 3, special working fluid boiler: export of special working fluids, such as certain organic matter. Three outlet gas steam boiler in accordance with the pressure of the working medium can be divided into: 1, pressure boiler: the outlet steam pressure 14MPA (140kgf / cm). 2, high-pressure boiler: the outlet steam pressure 10MPA (100kgf / cm). 3, sub-pressure boiler: the working fluid outlet pressure of 2.5MPa. 4, pressure in the boiler: the outlet steam pressure of 3.9MPa (39kgf / cm). 5, supercritical pressure boiler: outlet steam pressure is about 25MPa (about 250kgf / cm). 6, subcritical pressure boiler: outlet steam pressure of 17MPa (170kgf / cm?). 7, low-pressure boiler: the outlet refrigerant pressure (gauge pressure) is less than or equal to 1.3MPa (13kgf / cm). Accuracy of the hydraulic machine, determines the precision of the parts. However, only static accuracy to measure the level of accuracy of press is not very accurate. This is because the size of the mechanical strength of the press itself has a great influence on the punching accuracy. If the strength of the press itself is low, the machine will be modified such that the pressure at the instant of Ao punching pressure is reached, so that, when the above-described conditions in a static tune even good, also since the strength of the deformation caused by the sample bed, differences occur. This indicates that the accuracy of the press and has a lot of strength, and the magnitude of the intensity of the work has a great influence on the press, so that high-precision parts and punched continuous strong cold stamping, the accuracy must be selected high, and the rigidity of the press.

After the chemical plant boiler installation inspection What: What are the chemical plant boiler installation inspection and risk prevention measures after inspection of chemical plant boiler installation there is worth in-depth inquiry, as this real impact on the quality of the boiler installation, while for people's personal safety and the development of the industry have a certain influence. Only in-depth exploration stage after inspection of industrial boiler installation, in order to understand where the test content and methods to fully play the role of these test methods, and the timely detection of hidden dangers, do preventive work. To clean up, while regulating their own operation behavior. After the chemical plant boiler installation inspection of the basic content of 1, test environment and ensure the safety of operations. It is well known in industrial boiler construction process plays an important role, is an integral part of one of the devices, it is necessary to strengthen the quality inspection for the boiler, in particular post-installation testing more critical. Therefore, the basic content of inspection it is necessary to conduct in-depth analysis. First, check to ensure replacement parts. 2, the overall test of the pot. After checking for the environment and the safety of the operation, we should consider checking the overall quality of the boiler inspection. Checks the contents of this section, the main seams comprising the drum, the interface and the gas tube boiler, the liquid leaks and the like. In addition, the bottom of the boiler, also have in-depth and detailed examination to ensure that the overall quality of clearance. 3, test water quality management and water treatment equipment. Test water quality management and water treatment equipment is also crucial part, this is an important test session, because if this part of the problem, most likely boiler erosion occurs, so that the life of the boiler equipment decreased, this is not conducive to the smooth development of production work, it will also affect the actual benefits. Therefore, for this part of the examination will do the painstaking, careful, in particular, to strengthen the sampling and testing for water quality, see if it meets the relevant requirements. 4, testing for chemical plant boiler annex. Fan, oil level indicator, pressure gauge, thermometer, locks and other equipment. Boiler accessories. For these boiler accessories require regular inspection and examination, at the time of inspection should pay attention to these accessories and the device is fully functional. 5, test for the chemical dust and smoke desulfurization apparatus boiler. In order to promote environmental protection, industrial flue gas to reduce pollution and waste on the environment, the country has long been on flue gas emissions and wastewater imposes strict requirements. Thus, in the conventional detection boiler, flue gas desulfurization and dust removal means for detecting is essential.

Cade Shopping Mall is located in central Shanghai Hongkou District, Shanghai Daily larger flow of people in the region. The introduction of Shanghai air pollutant emission standards, boiler flue gas emissions of nitrogen oxide emissions to less than 80 mg / m, Shopping Mall a coal-fired boilers have been used for many years, NOx emissions far super to this request, the urgent need to replace more environmentally friendly low nitrogen emission boilers. Other units through the use of fast Boiler introduction and understanding, determined and fast boiler to achieve cooperation, party fast to their specific needs to recommend one condensing gas working principle of fired hot water boiler of a 4.2MW for heating needs of the shopping center.

Gas steam boiler loading, installation considerations gas steam boiler is a very wide range of special equipment, usually built in the boiler room. However, its load, the installation process, some issues must be taken, otherwise it may cause a certain degree of economic losses. 1, the process of handling and transporting gas in a steam boiler to be noted the following: the lifting capacity of the lifting device should be matched to the weight of the boiler Lifting. Can not be used for lifting has a length marked with a lifting lug can not be used should be chosen on the boiler rope, rope length to avoid inappropriate, leading to scratching furnace. In the loading, unloading and handling process must ensure that the boiler without any damage. 2, installation of boiler maintenance reserve space, make sure there is enough space for maintenance around the boiler. 3, the base gas steam boiler, the base of the boiler and precautions to be installed on the basis of 100-150mm above the floor of the boiler on the premises, subject to prior confirmation boiler manufacturing company with technical personnel, in accordance with the basis for construction drawings. Must stay out of anchor bolts embedded hole basis. Foundation must be able to withstand the weight of the boiler and the largest holding water amount. When the mounting base, must first be positioned. After the alignment adjustment in the end the length of two diagonal lines of the same base, then the entire tightening the fixing bolt. Base mounting reference line marked for reference. 4. General Precautions Be careful not to tilt too boilers and accessories and be impact. Can not be placed outside the boiler fuel. Do not dirty oil and water boilers should generally be installed in a separate boiler room, the new gas steam boiler room should not be connected to the house. A boiler can not be connected, (B) and (C) use of flammable liquid fire risk room. If the production plant is connected to the other, separated by a firewall application. 5, fire resistance rating of the boiler room of the building and fire safety requirements should be consistent with "architectural design code for fire protection" and "design of tall buildings for fire protection" requirements. Gas-fired steam boiler room on the ground should be smooth, non-flammable, no water, load-bearing foundation should meet the requirements. Gas-fired steam boiler supply voltage should be stable, to avoid burn electrical components. The voltage instability, is recommended to install regulators. To set the boiler room ventilation equipment, to maintain the boiler temperature at 50 ° or less.

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