gas central heating hot water boiler prices

gas central heating hot water boiler prices

To speed up the transformation of coal-fired boiler project, the Tianjin Municipal Government were tender for coal-fired boiler products. In the bidding site, a number of boiler prosperity across the country have resorted to every means, come to bid on his own star product. Fang fast low nitrogen water tube boiler with its unique architecture and technology, will come to the fore in this bid, the successful bidder Tianjin Justice Drive surrounding district project.

Horizontal steam boiler accident treatment method: 1 overpressure accident boiler, boiler overpressure phenomenon of (1) a sharp rise in steam pressure, the pressure exceeds the allowable working pressure gauge pointer over the "red line" safety valve operating pressure is still elevated. (2) the operation of the device is the interlock overpressure protection, should send overpressure alarm signal, stops the air blowing, the wind, coal. (3) steam temperature and steam flow rate reduction increases. 2, to treat boiler overpressure (1) weakened rapidly burning, manually open the valve or bleed valve. (2) increase the water supply, while the lower reinforcing blowdown drum (It should be noted at this time to maintain the normal water level of the boiler), in order to reduce the temperature of the boiler water, thereby reducing the pressure in the boiler drum. (3) as a safety valve malfunction or all of the pressure gauge damage, emergency shutdown, safety valves and pressure gauges are to be repaired after the boost operation. When endanger the safe operation of (4) Boiler excessive pressure, blood pressure should take measures, but too fast buck is strictly prohibited. (5) boiler overpressure eliminate serious, to the shutdown of the boiler internal and external inspection, to eliminate the overpressure caused by deformation, leakage and other safety accessories and maintenance unqualified. 1, the phenomenon of the boiler water (1) below the minimum safe water level line, or no visible water, the water table glass (plate) as a white. (2) as a full-color water level gauge vapor instruction color. Low water level alarm signal (3) water level alarm occurs. (4) low water interlocking means, the water level should be below a prescribed value blower, Fan, grate reduction motor stops running. (5) a sharp rise in the superheater steam temperature, higher than the outlet steam temperature. (6) boiler exhaust gas temperature rises. (7) the water flow is less than the steam flow, causing Should the water tube due to tube cracking or economizer, an opposite phenomenon occurs. (8) When a serious water shortage, can smell the burnt smell. (9) When a serious shortage, the door can be seen from the red-hot waterwall tubes. (10) a serious water shortage, the furnace tube may rupture, then can hear the explosions, smoke and steam from the door, watching spray the fire door.

The main composition of gas-fired boiler: combustor sets electricity, apparatus, oil, gas in one. The high degree of integration and automation is the focus of boiler system maintenance. Boiler body: boiler body is the main component of the thermal energy conversion computer control system: computer control system is the core component of the whole boiler operation and the command center of the boiler. Maintenance of various systems: burner maintenance: clean burner rotor, ignition device, filter, oil pump, motor and impeller system, lube the valve connecting rod. Re-test combustion conditions. Controller maintenance: repair and inspection of electrical components, control Line, clean control box ash collection, each control point for inspection. At last, seal treatment is carried out. Prevent the controller element from getting damp. Maintenance of water supply system: maintenance of water treatment equipment, inspection of water quality standards, comprehensive cleaning of water treatment system, inspection of water pump operation and head, inspection of the flexible use of valves in each pipe, etc. Shut off the valve when the system is filled with water. Furnace maintenance: in order to keep the boiler safe and economical, the maintenance of boiler must be strengthened in daily use. This is also an important measure to prevent thermal efficiency decline, to avoid deterioration of service conditions and boiler accidents. Large font displays water temperature, square Water temperature from 10 ℃ to 90 ℃ can be set at will, the boiler automatically heating the system or to provide users with life, bath hot water. The control system controls the start and stop of the circulating pump according to the furnace water temperature. When the furnace water reaches the set upper water temperature, the hot water circulating pump starts, and when the set lower temperature is lower than the set lower temperature, the hot water circulating pump stops. The horizontal gas-fired bath boiler is a three-way full wet back structure. It adopts the design of large furnace and coarse smoke pipe to increase the radiative heat absorption of the furnace and effectively save energy and reduce consumption. The effect of heat transfer is greatly enhanced and fuel consumption is greatly saved by the use of threaded smoke tube and waveform furnace tank. The whole machine has been equipped at the same time. Thermal protection (when the water temperature in the furnace is super high, the burner automatically stops working and beeps to alarm, the secondary over-heat protection (when the boiler shell temperature exceeds 105 ℃, the secondary circuit is automatically cut off), and the protection against dry burning and water shortage (when the furnace water is lower than the very low water level, Boiler stop working and beep alarm), boiler leakage protection (control system detected electrical leakage, short circuit, will automatically cut off the power supply). The boiler is designed according to the normal pressure structure, the boiler is in no pressure state, and there is no danger of safety. High-grade centrifugal glass cotton multi-layer insulation, famous white color steel plate for external packaging, less heat loss, beautiful rust resistance.

Steam boiler is too many forms, 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. Say the boiler first the pot. The boiler is a drum boiler with water cooling. Two return pyrotechnic tubes are arranged in the left and right parts of the drum, and the front cigarette box in the front part of the drum is turned back. Between the drum and the bottom box, there is a drop tube and a water-cooled tube, forming the frame of the combustion chamber. There is a steam separator on the top of the drum to reduce the water produced by steam. The heating surface of the boiler is the lower part of the drum, water-cooled pipe and pyrotechnic pipe. The combustion part consists of a chain grate and a drive device, Add the boiler frame on the grate of the composition of the combustion chamber composition. 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, and this kind of boiler has great resistance and needs forced blast. Cinder, discharged from the back of the grate through hawk iron and sent out of the furnace by the slag extractor. From the back of the boiler, the flue gas goes forward from the first return pipe of the boiler, the second return pipe returns to the rear part of the boiler, and then goes into the dust collector to separate the ash, and then through the draught fan, it is discharged from the chimney. The induced draft fan is not only the exhaust gas, but also necessary for the negative pressure operation of the boiler. Steam boiler is pressure capacity Device, safety device is necessary. Essential water level gauges, pressure gauges, safety valves, thermometers, electric pumps that can replenish water under pressure, and steam pumps that can also be used in the event of power outages. Boiler water must be softened and water treatment equipment.

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