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The automatic steam boiler prices can be divided into three kinds according to the fuel (electricity, oil, gas), such as electric steam boiler, oil steam boiler, gas steam boiler, etc. According to the structure can be divided into vertical steam boilers, horizontal steam boilers, small steam boilers are single, double-return vertical structure, large-scale steam boilers are mostly three-way horizontal structure. If according to the classification criteria above, there are a lot of steam boilers, take an ordinary fast-packed 4-ton steam boiler. Water is heated into steam in the drum and heat is emitted by fire in the furnace, which is the principle of the steam boiler. Steam The combustion part of a steam boiler consists of a chain grate and a drive device, together with a combustion chamber composed of a boiler rack on the grate frame. Surrounded by refractories. Coal from coal hopper, there are coal gate to control the thickness of coal seam while sealing the front of the air. The lower part of the combustion chamber is the place where the blast enters. This steam boiler has great resistance and needs forced blast. The cinder of a steam boiler, discharged from the back of the grate through Eagle's mouth iron and sent out of the furnace by a slag extractor. Steam boiler flue gas from the back of the boiler, by the steam boiler drum one-way smoke pipe forward, from the two-way smoke pipe back to the rear, then into the dust collector to separate ash, and then through the induced fan from the chimney exhaust Out. The above is the working principle of steam boiler, of course, the operation of steam boiler without other equipment, such as the induced fan not only undertake the task of exhaust flue gas, but also the steam boiler negative pressure operation necessary. There are also pressure vessels, thermometers, safety valves, pressure gauges, pumps, steam pumps, etc. All are essential for steam boiler work. Pump leak problem. The actual output flow rate of gear pump is smaller than that of theoretical flow due to the leakage of gear pump in the process of operation. The main leakage channel of gear pump is through the gap between the two sides of gear and the cover plate on both sides of the gear, which is 75% / 85% of the total leakage of the pump. Radial clearance leakage between gear top circle and inner hole of pump; clearance leakage through gear meshing. Because of the leakage of gear pump, the output pressure does not go, which affects the range of use of gear pump. In order to solve the problem of low output pressure of gear pump, the way of adding floating sleeve or elastic baffle on both sides of gear pump is adopted to reduce the leakage of gear pump and improve the output pressure of gear pump. Radial force imbalance problem. In the working process of the gear pump, the pressure on the outer circle of the gear is not equal, which results in the radial unbalance force at the shaft and bearing of the gear. This radial imbalance will accelerate the wear and tear of the bearing, reducing the bearing The service life also may cause the gear shaft to deform, causes the tooth top and the pump body inner hole friction, damages the pump body, causes the pump not to work normally. The common solution is as follows: (4) opening pressure balance slot on pump, leading high pressure oil to low pressure area, but it will increase pump leakage and affect pump volume efficiency; (2) reducing the size of the pressure chamber, reducing the pressure area acting on the gear teeth, and thus reducing the radial unbalanced force.
Gas automatic steam boiler prices load changes in the water level of air pressure adjustment What happens next: load fluctuation gas steam boiler water level of the air pressure regulating what impact the boiler load refers to the amount of steam is supplied outside?. When the variation amount of steam needed outside world, boiler pressure, temperature, level crossing will move. When the load increases, the pressure drop in the water level is low, the air supply should be increased and the amount of coal. While enhanced combustion, and gradually increase the amount of water to maintain normal air pressure and water level. When reducing the load, the air pressure is high the water level rises, the amount of coal should be reduced and the air volume, reduce combustion, then the appropriate amount of water to reduce or suspend the water supply, the air pressure and water level in the stable nominal range, then press normally combustion and to adjust the amount of water. When reducing the load, the pressure rise when the water level is low, to increase the amount of water should be, until the water level returns to normal, then the need for air pressure changes and the load situation, and to adjust the combustion water.
Fangkuai Boiler is based on low-nitrogen energy-saving and environmental protection. It focuses on the development trend and uses universal excellent technology, products and services. According to such a method, it is now applicable to the development of society around the world, promotes cutting-edge work in the future manufacturing industry, and maintains the ideal use of customers in various industries.
The main functional difference component of natural gas and automatic steam boiler prices 1. The raw materials of the boiler combustion products of coal are carbon, hydrogen, oxygen, nitrogen, sulfur and water. Gas-fired steam boiler burner underlying mode, two-pass configuration, the fuel combustion, the boiler operation is stable and take up less space, while the spoiler is inserted smoke tube, smoke slow speed, increase heat transfer, a high thermal efficiency, reducing user fee gas hot water boiler with environmental protection, energy conservation, safety, salient features fully automatic operation, and ease of use. in addition, due to the operation of the economy, government policies to encourage, gas hot water boiler more and more people of all ages. Function gas boiler the ignition system that ignites the mixture of air and fuel, its main components are: the ignition transformer, the ignition electrode, a high voltage electrical cable fire. A more secure electronic ignition system called ignition pulse, is widely used Zhuoyi energy saving gas boiler manufacturers. Which facilitate saving, can simply press a finger, and safe, does not occur due to unexpected accidents occur flame, once the stall state occurs, the control system can close the solenoid valve, off the gas passage. After combustion, sulfur dioxide, sulfur trioxide and nitrogen oxides are discharged to the atmosphere, environmental pollution, cause harm to humans. The main component of natural gas is CH4, CO2 and H2O mainly produce post-combustion, compared with coal-fired boiler, gas boiler emissions of more environmentally friendly and better able to reduce urban air pollution problems. 2. The most common combustion coal-fired boilers are stratified combustion. This process mainly refers to coal fuel disposed in a larger work surface to complete combustion. Passage means to the coal bunker broken belt, ran into the furnace through the coal feeder, coal use wind; primary embodiment using a gas boiler furnace combustion gas into the main combustion chamber, combustion is completed in the form of flare. Wherein the main advantage of the stream bed combustion mode is reliable and stable, good economy; coal corresponding disadvantage is the need, not flexible. At the same time, the combustion mode is the stratified combustion "firing-sided" and "staged combustion", which is in Rongyifasheng bunker coal bunker bridges. Combustion chamber combustion with high efficiency, clean environment, burning the advantages of automation. At the same time, such a small area of combustion, combustion does not need to be transported, and the combustion gas free of impurities, which boiler life relatively long. Gas boiler can withstand a high thermal load, it is possible to select a smaller furnace space. 3. coal-fired boiler safety relatively safe, small furnace combustion hazard. To be clear Anquancuoshi gas boiler, Rongyifasheng explosion within the explosion limits. The main use of coal-fired boiler stratified combustion, therefore, the need for timely when coal-fired boiler shutdown, even if you stop coal, there is still a lot of fuel in the furnace is not, can continue to burn. Accordingly, the gas pressure rising in the furnace, endanger the safety of the vessel. The main gas-fired boiler using natural gas fuel. When the boiler needs to be stopped in time to run, you can understand, stop the transmission, security is guaranteed. Further, no storage device can effectively reduce transportation costs, space costs. But the most important thing is explosive natural gas to reach the explosive limit, once the fire may occur, endangering the lives and safety of the explosion, while coal-fired boilers do not need to take this into account. 4. vented combustion coal-fired boiler with the blower is run together. Coal is a coal-fired boiler with solid fuel. The particle size of coal and coal combustion own characteristics resulting in a large excess of gas in the furnace during combustion of coal-fired boilers. Further, in addition to leakage of the combustion chamber flue, the coefficient of excess gas can reach 2.0 to 2.4. The main ventilation gas boiler is a slight positive pressure ventilation structure having an internal combustion, the combustion products in combustion operation is mainly discharged from the blower. Boiler primary combustion gas may be a hydrocarbon such as methane gas mixed with air, in which operation of the ventilation exhaust port air ratio only 1.2≤1.3 ~ 1.05, the amount of smoke produced by the boiler is very small, the gas less impurities, while the flue gas emissions are also easier to meet the requirements of national combustion equipment, slag and other dust without increasing the equipment. Gas boiler can not only reduce environmental pollution, and the relatively small investment in equipment, boilers longer life expectancy.
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