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The main structure of a natural gas boiler consists of a boiler shell, a tank, a switching chamber, a smoke pipe, etc. The boiler is suitable for various fuels such as light oil, heavy oil, natural gas, liquefied gas, and so on. The boiler has a reasonable structure and a double-layer reverse burning. It is beneficial to make full use of flue gas, and has the characteristics of small area, convenient installation and good steam quality. The working principle of natural gas boiler is: the water enters the boiler through the inlet, the water quality that meets the heating standard after the boiler is heated, the water is fed into the indoor radiator through the circulating pump, the heating is heated by radiation and convective heat transfer, and the water flowing through the radiator is flowing through the water of the radiator. Go back to the boiler and heat it up, and then go back to it. It flows into the radiator, so that it circulates over and over again. Moreover, the natural gas boiler system can also provide users with hot water to meet its basic needs, the temperature of the water quality in the boiler and the indoor temperature, after temperature sensor processing, the temperature signal is transmitted to the single-chip microcomputer. Through the corresponding driving circuit, to adjust the size of the corresponding pipe valve, and then by controlling the water quantity to control the water temperature, to achieve the purpose of heating, the user can also select the appropriate circulation pump according to the size of the heating range. This is also more economical and convenient.
Gas-fired steam boiler FAQ boiler for your boiler sorted out 30 common problems and solutions, do not forget to share a small partner after learning finished oh. 6, the main factors which influence the rate of wear of? ① flue gas, the concentration of the surface shape of the particle size and hardness ② ③ material in the flue gas flow rate of the material is worn element, the direction of relative movement of material with the hardness of the wear element ④ greatest influence It is the speed of the airflow, proportional to the cube of wear and speed. 7, how to control the bed temperature between 850-950? ① ash does not melt at the temperature, thereby reducing the risk of slag settle ② The temperature nitrogen having a high desulfurization efficiency ③ combustion gases at this temperature ④ less of the gas at this temperature the coal is not an alkali metal sublimation can be reduced slagging of the heating surface. 8, why should the torch boiler? Soda boiler system equipment such as part of desuperheating water, startup bypass, superheater, reheater piping system, due to the structure, material, arrangement, etc. are not suitable for chemical cleaning, so newly installed inside the boiler required physically remove remaining debris before officially put into operation, it is produced using the steam oven of the present systems and devices torch soda process. 9, common maintenance method, which has several boiler (1) Wet protection: with ammonia, liquid ammonia method, a method to maintain water pressure, steam heating method, a method of alkali, trisodium phosphate, and a mixed solution of nitrite Protection Act;? (2) dry protection: drying method (with pressure drainage) and desiccant process. 10, what? (1) steam with water vapor causes of quality deterioration (steam pollution). Boiler feed water containing impurities. After heating into the boiler feedwater into steam, most of the impurities are also transferred to the boiler water, so many times the cycle, increasing the impurity concentration of boiler water. Boiler water containing a high concentration of impurities is carried with the steam is called saturated steam water vapor with a machine called water carried, the first reason is contaminated steam. (2) steam soluble salt. The boiler at a higher operating pressure steam dissolves some salts, referred to as selective carry steam soluble salt, which is the second reason steam contamination.
Such as boiler load increased, but also to ensure the boiler load unchanged or decreased in order to prevent pressure shall increase the amount of fuel and air supply, strengthen the burning, causing the furnace exit flue gas temperature of the flue gas volume increases and lower water temperature , temperature increase; If the oil and gas fuel is combusted in the furnace carbon black is not fully formed, into the superheater flue causing secondary combustion, but also greatly increase the superheat temperature. Reducing the temperature of the main reasons: improper adjustment of combustion, low flame center furnace; superheater area is small, or too much leakage at the furnace wall; Save water flow rising or temperature reduction; drum water level or high gas-water separator separating efficiency is lowered, the humidity of the vapor is increased; superheater tube fouling, reduced heat absorption and the like.
Recently, Jilin Province Shuangliao municipal authorities about illegal sewage and coal-fired boilers, industrial furnaces remediation work held a mobilization meeting.
Stressed the meeting, do a good job on illegal sewage and coal-fired boilers, industrial furnaces rectification work is to implement the central, provincial party committee decisions need to be deployed, is the need to lay a tough fight to win control of pollution is an urgent need for the construction of ecological civilization shuangliao , is fully successful completion of all levels of environmental inspectors "looking back" need feedback rectification work. Must always adhere to the concept of green development, environmental protection as an intrinsic factor in economic development, internal driving force, implement the most strict system, the most stringent rule of law, provide a strong guarantee for ecological construction.
Meanwhile, the meeting also called for, to understand the situation, address the gap, and enhance the sense of urgency, a sense of responsibility, strengthening conscious selves, issue-oriented, problem remediation ton output capacity determination to do a good job, rectification, lay the winning pollution prevention tough fight; to strengthen measures to intensify its efforts to promote detailed work task decomposition, do a good job related information in archives, a good grasp of time node, to ensure the completion of various tasks by time nodes; to strengthen departmental interaction, resolutely carry ecology political responsibility for environmental protection, and make concerted efforts, up and down, "a game of chess," the formation of remediation work together effectively to the work realistically catch fine catch results.
At the meeting, he conveyed the "Opinions on rectification of illegal sewage behavior" and "coal-fired boilers and industrial furnaces comprehensive improvement plan", and the related issues note highlights.
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