industry coal hot water boiler for sale

industry coal hot water boiler for sale

Since March this year, Haidong Qinghai province to implement the central issue environmental supervision feedback coal-fired boiler rectification work, speed up the production of green, zero emissions work processes, and improve air quality, to develop a series of coal-fired boilers on the rectification requirements of the program, as the initiative, strike out, to carry out rectification work in coal-fired boilers within the city, complete elimination of high energy consumption and serious environmental pollution of coal-fired boilers. Planned before the end of 2020, out of the new regulation since 2013 registered 10 tons of steam per hour and a total of 35 sets of coal-fired boilers. To date, 24 have been dismantled coal-fired boilers, the completion of 69% of the total demolition tasks.

In campaigns, the Haidong Market Authority established the Secretary for the head of the leading group, and achieve the "four guarantees" work. First, strengthen organizational leadership, promptly convene a special meeting arrangements, set up to director, head of the leading group, strict rectification requirements, compaction responsibility, division of labor, supervision and implementation, to ensure that the tasks, responsibilities, personnel, time to implement place; second is to strengthen the publicity and guidance, held a coordination will promote, publicize national environmental policy so that the people in charge to enhance environmental awareness, consciousness of serving the overall situation, to ensure that the main responsibility to put in place; the third is Duocuobingju full supervision of the remediation coal-fired boilers demolition work to ensure full demolition tasks to complete the rectification of high-quality, on-site in time for the use of special equipment write-off procedures to monitor and update the information platform, the rectification work will not stay dead; fourth is to strengthen the rectification pin number system and standardize accounting, according to " Qinghai province to implement the central requirements of environmental protection inspectors feedback pin number rectification work approach ", the timely development of ledger collect relevant information, to ensure that the sales numbers for the record rectification work tasks.

Up to now, the central feedback requirements Haidong included the removal of 35 planned coal-fired boilers have been demolished 24 units, of which the county mutual aid, Ledu District, safe area, Minhe County, Hualong County coal-fired boiler demolition has been completed work to complete the renovation work ahead of coal-fired boilers. Next, Haidong will continue to increase coal-fired boilers eliminated, remediation publicity work to do mass persuasion to explain, guide active community participation, active support and cooperation to carry out "ban on burning 'governance activities. Actively persuade pressure coal-fired boiler units to implement the "coal to oil", "coal to gas", phasing out coal-fired boilers high pollution, high energy consumption, encourage economic boiler unit to switch to environmentally friendly, safe and efficient biomass, natural gas, etc. clean energy.

Gas-fired steam boiler principle gas steam boiler with natural gas, liquefied petroleum gas, fuel gas such as city gas as fuel, the combustion in the furnace heat put out by heating the pot water, and which is vaporized into steam energy conversion device. Water pan (drum) is continuously released from the combustion of a gaseous fuel energy to heat the furnace, raising the temperature and generating steam under pressure, since the boiling point of water with elevated pressure is raised, the pot is sealed, the water vapor inside the expansion pressure is generated is limited thermodynamic form (strictly speaking, water vapor in the boiler water is heated to a constant-pressure steam drum regasified saturated formed) is widely used as an energy source. Boiler and boiler shell consists of two main furnace and ensure accessories, ancillary equipment instrumentation, control and protection system safe and economic operation of its continuous constituted. This boiler is a boiler drum with a water cooling wall at about the subregional arrangements drum pyrotechnic two return pipe, before the folded portion of the drum front smoke box. Between the drum and the tank in connection with the downcomer tubes and water-cooled bi, constituting the frame of the combustion chamber. There upper steam separator drum to reduce the water vapor out of the tape. Pan heating surface of a lower portion of the drum, and the water cooling pipe bi pyrotechnic tube. The basic components of a steam boiler and a steam boiler operating principle is constituted by a series of devices can be roughly divided into two main parts and auxiliary equipment. The main components of the boiler are: 1. Furnace: fuel burn-up and ensures that the boiler outlet gas temperature to a value of convection heating surface cooled safe work; 2, economizer: utilizing the heat of the flue boiler feedwater heating, to reduce the exhaust gas temperature, fuel economy and functions. 3, the drum: the respective heating surface and joined together and the boiler water wall tubes and other components decreased water circulation circuit. Soda storage drum, can adapt to changes in load, with internal steam separator means to ensure the quality of soft drinks, no DC boiler drum. 4, water wall: mainly radiation heating surface of the boiler, the absorption of radiant heat furnace heated working fluid to protect the furnace wall and the like. 5, combustion equipment: the fuel and air required for combustion of the fuel into the furnace ignition and stable good combustion; 6, air preheater: heating the fuel with air, in order to enhance ignition and combustion; flue gas waste heat absorption, reduced exhaust tobacco temperature, increase boiler efficiency. 7, the furnace walls: a housing to protect the boiler, since sealing and insulation. Heavy furnace wall of the small boiler may also function as a support member boiler. 8, the frame: a support member and the fixing boilers, Purple east 15:33:06 boiler auxiliary equipment are: 1, the wind equipment: induced draft fan and chimney via the flue gas generated in boiler operation sent to the atmosphere. 2, dust removal equipment: removing fly ash in the boiler flue gas. 3, the fuel supply equipment: fuel storage and transportation functions. 4, water supply equipment: water pump water supply through the water into the boiler by the processing device to. 5. Dust Cleaner equipment: removing ash from the boiler and carried away. 6, the blower device: by the air blower after exports the furnace air preheater and a coal grinding device heating applications. 7, the automatic control device: automatic detection, process control, automatic protection and automatic adjustment. IMPORTANT boiler maintenance and a maintenance, water maintenance method 1. The boiler must be a qualified treatment, which is to extend the life of the boiler, ensure the safe operation of the gas and steam. 2. The water temperature should be close to the furnace temperature, preferably above 20 ℃. 3. The need for low-water cutoff periodically inspect maintenance and cleaning. Water Level Controller cleaned at least once a month, rinse water table at least once a day. Rinse water table should be at the highest level; after flushing the water level should not be less than the minimum safe level, not as a net wash, can wash many times, but it must be flushed at the highest level. 4. require periodic blowdown operation, daily (per shift) at least once, after the sewage drain valve should be checked whether the influence by dirt and leaks; if it must be excluded. 5. Shutdown the steam pressure is not maintained, the boiler will produce steam space negative pressure air entrapment, and therefore should rise again to the fire burning total steam valve is opened. 6. smoke tube fouling will lead to increased exhaust gas temperature, so that boiler efficiency is lowered, so that the fuel consumption increases, it should periodically open the front door, brushing or blow smoke tube fouling.

Gas boiler SZS, WNS, F, A, L, N, B and other parameters have what meaning? SZS gas boiler water is commonly used parameters. Wherein the meaning of each letter, S: double drum. There are two drum boiler, goes under the distribution structure. Z: vertical type. Using the "D" type arrangement, arranged longitudinally down drum, as the flue gas flow partition Wall full mode, the left side of the boiler convective tube bank is arranged. S: combustion chamber. Fuel is powdered (solid fuel, such as coal), mist (liquid fuels, such as oil), gaseous (gaseous fuel, such as natural gas) along with the air into the furnace (combustion) combustion in suspension. WNS is automatic gas (oil) parameters commonly used boiler. In which the meaning of each letter, W: horizontal. A boiler according to the design and installation of the outer layout, was lying state. An exhaust gas stream produced by the boiler is of horizontal flow, the flow of hot gas, in the same section on the exhaust gas temperature is low compete. N: internal combustion. After all of the fuel combustion flue gas, without burning the residue was heated with a heating surface directly mixed working fluid (water), and the flue gas, steam as the working fluid work output, the flame in the combustion furnace through the center of the drum. S: combustion chamber. Fuel is powdered (solid fuel, such as coal), mist (liquid fuels, such as oil), gaseous (gaseous fuel, such as natural gas) along with the air into the furnace (combustion) combustion in suspension. F: split. A: three return. N: N is low. L: condensation. B: Center backdraft.

Boilers factors leading to incomplete combustion of boiler fuel used in modern industry, not only solved the problem of conventional boilers produced by environmental pollution, but also reduce the use of coal and other resources. But its combustion products, we sometimes found to contain a large amount of combustible material, and black ash, and combustion gas contains a lot of carbon monoxide combustible components. Such a phenomenon is a typical problem of incomplete combustion. Then the factors causing incomplete combustion of boiler fuel, what does? (1) a boiler furnace temperature enough below 600 ℃, good combustion can not be established in general structure. The amount of air (2) supplied in the fuel can not meet the need for complete combustion of the combustible component. The amount of air (3) of the boiler supplied sufficiently due to mixing a bad contact, the combustion disorder. (4) abnormal accident. (5) the fuel as received too much water, the moisture of more than 45% of the fuel is difficult to ensure the normal combustion boiler. (6) the fuel particles are too large, is not conducive to the combustion reaction. (7) The reaction time is insufficient combustion, boiler grate vibration amplitude is too large, the interval is too short, short burning time. (8) much ash, ash coke particles wrapping, slow combustion, (9) a feed lot, on the grate boiler fabric layer is too thick, not gas-solid benign mixed. (10) the feed grate or thin material less heat storage capacity is not strong. Incomplete combustion of fuel, not only a waste of fuel, while the impact performance of the boiler also to some extent, so we must note that when using these factors mentioned above.

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