Principles of steam boilers and solutions hydraulic external gear of Henan fast boiler's small series with you about the principles of steam boilers and solutions Steam Boiler hydraulic external gear in accordance with the fuel (electricity, oil, gas) can be divided into electric steam boilers, oil three kinds of steam boilers, gas and steam boiler; constructed according to the steam boiler can be divided into vertical, horizontal steam boiler, steam boiler compact than a single, double return of the vertical structure, large steam boiler return of more than three horizontal structure . If the classification according to top standards, in the form of steam boilers on the lot, would like to give an ordinary packaged boiler say four tons vapor. Water in the steam drum is heated to become vapor, fire emits heat in the furnace, it is the principle of the steam boiler. Steam boiler combustion section and drive means by a chain grate, a combustion chamber together with the pan rack frame formed on a grate composition. Four weeks envelope refractories. From coal fired into the hopper, the shutter coal front portion while sealing air control seam thickness. Blowing into the combustion chamber is a lower place, such steam boilers greater resistance, require forced air. Steam boiler cinder burn out, the rear portion of the grate by the "beak iron" discharged from the slag out of the furnace feeding machine. Steam boiler flue gas from the back of the boiler, the steam drum of a boiler return line before the smoke tube, returned by two return rear smoke tube, and then into the dust separating ashes, and then discharged through the chimney draft fan. These are the works of steam boilers, steam boilers run course, ultimately, other devices, such as induced draft fan not only bear the task of exhaust fumes, or negative pressure necessary for operation of the steam boiler. As well as pressure vessels, thermometer, safety valves, pressure gauges, pumps, steam pumps, and so on. They are essential for steam boiler work. Pump leaks. Gear pumps for leaks during operation, leading to its actual output is smaller than the theoretical flow of traffic. The main channel is leaking gear pump: through the gap between both surfaces and both side surfaces of the gear cover side leakage, accounting for 75% to 85% of the total leakage of the pump; radial gear tip circle between the inner hole and the pump CLEARANCE ; gap by engagement of the gear leak. The gear pump due to the presence of a leak, so that the output pressure do not increase, the influence of the use of a gear pump. In order to solve the low gear pump output pressure problems, may be employed on both sides of the elastic gear plus floating collar or baffle manner, to reduce the leakage of the gear pump, the gear pump to increase the output pressure. Radial force imbalance. In the gear pump during operation, the pressure acting on the outer gears are not equal, resulting in the gear and bearing at the axle radial imbalance force. This unbalanced force will accelerate the radial bearing wear and reduce the service life of the bearings, the gear shaft deformation can also cause friction with the inner hole of the addendum pump, pump damage, so that the pump does not work. The solution generally adopted is: ④ opening pressure balancing grooves to the pump, the high pressure oil introduced into the low pressure zone, but will increase the pump leak, the influence of the volumetric efficiency of the pump; ② size reduction oil pressure chamber, acting on the teeth the pressure area is reduced, thereby reducing the radial force imbalance.
Siting and construction in gas boiler room of many users think that as long as gas boilers selected for their own business needs everything will be fine, it is not true, to build a suitable boiler boiler room is also very important, which is related to the initial investment, system design , operation and management as well as security and other issues. Currently more popular for use in gas-fired boiler, we'll talk about how to design its boiler room, but also pay attention to what the problem. 1, boiler room of a comprehensive site selection to the type of gas, boiler capacity, operating pressure, supply and return water temperature, the system in the form of building types and other factors to consider. "Architectural design code for fire protection" (GB50016-2006) "fire protection design of tall buildings" (GB50045-95) (2005 "Hot Water Boiler Safety Technology Supervision" (Labor pan word  No. 7) Comprehensive OK. If the boiler when there is room to install local standards, local standards, it should also take into account the best gas boiler room set in separate buildings on the ground; and if subject to conditions, needs connected with the main building or set in the basement of the main building, semi-basement, first floor, when the top and middle floor, needs the approval of the local fire, safety supervision and environmental protection departments, after passing the order to begin construction. gas boiler room is strictly prohibited directly located in the crowded gathering space (such as public bathrooms, classrooms, audience when the hall, shops, restaurants, waiting rooms, etc.), we can not build near the main evacuation port. new boiler room and the house should not be connected with other buildings adjacent to the boiler room, which is adjacent to the wall as a firewall. boiler room floor should smooth step-free, and water should be prevented. as provided in the boiler room basement layers or semi-high-rise building or a first layer, while it must meet the following conditions : Rated evaporation each boiler does not exceed 10t / h, rated vapor pressure does not exceed 1.6MPa Each boiler must have a reliable overpressure protection device interlock and bottom water level interlock protection device between the boiler building structure should be. corresponding seismic measures. fireman independent operations must hold the appropriate level of operating permits fireman and continuous operation of the same class boiler more than five years, had the accident not occurred. .7 evacuation routes must be safe, because the condition is limited, the boiler needs to be set in the basement, middle or top-floor high-rise buildings or multi-layer, prior consent of the city, prefecture-level and above safety watchdog agreed in addition to meeting the above requirements, it must also meet: rated evaporation each boiler is not more than 4t / h, rated vapor pressure does not exceed 1.6MPa. must be oil, gas as a fuel or electric heating boiler. the fuel supply line connected to the use of welding backing. the above is fast boiler for your summary gas boiler room location and building, for your reference and understanding. in general, the need to build a boiler room boiler manufacturers and boiler installation company with, and by the need to After the approval of the relevant departments had to formally started, mainly taking into account the special nature and risk of the gas boiler.
Fast Boiler Co., Ltd. is a really truly think about your clients practical solutions to business problems, this recommendation after this water-tube boilers put into use, the quality inspection departments, the nitrogen oxide emissions, soot and other indicators They are in line with national standards, but also very full of fuel combustion, high thermal efficiency, saves us a lot of fuel costs. This cooperation, I am very satisfied. --customer feedback
1.5 tons gas boiler described: a variety of protection, safe welding process 1.5 tons of gas boiler furnace three return structure unique waveform bile smoke tubes and tube sheet design over-temperature, over-pressure, water, leak detection, boiler flameout reliable. Rear view apparatus design, easy to observe the combustion state. 1.5 tons of gas boiler front living hinge symmetry, the door smoke: easy to open, easy maintenance, cleaning. Wet back boiler structure: full butt weld pull side, high reliability, maintenance costs bottom. Features: 1, the water level real-time monitoring function: equipped with electronic water level detection device, real-time monitoring of boiler water level. 2, time setting function: since the user can set the time required to stop the boiler, free combination. 3, leakage protection: control system to detect leakage electric heating elements will automatically cut off power supply. 4, water protection: boiler water promptly cut off when the burner control circuit to prevent the occurrence of dry damage the burner, while the controller sends water alarm indication. 5, power protection function: the boiler immediately stop running. 6, overpressure protection interlock: 1.5 tons of gas boiler when the pressure exceeds the value set by the user, is prohibited burner operation and alarm. 7, pressure controller, water level alarm, safety valve, low water level alarm and other multiple security. 8, a complete gas valve and protection system: providing a gas valve and accessories from whole filter, regulator and solenoid valve, ensuring safety gas. 9, the flue gas monitoring means can automatically monitor the exhaust gas temperature of the boiler, more easily grasp the combustion boiler.
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