china coal fired water tube boiler manufacturer

china coal fired water tube boiler manufacturer

Greater than 65t / h industrial china coal fired water tube boiler manufacturer of what air pollutant emission standards should be executed? A: The State Environmental Protection Administration, Central Division-standard [1993] No. 012 document pointed out that the emergence of a small number of parameters currently higher than GB1921-80 "industrial steam boiler parameters Series" and GB3166-82 "hot water boiler parameters Series" layer burning, stoker boiler, regardless of its use Zanan GB1327-91 execution. Therefore> 65t / h or more (except coal, circulating fluidized bed, and fuel, gas fired boilers) industrial boilers should be performed "boiler air pollutant emission standards."

Recently, Chengdu issued the "2019 Chengdu air pollution prevention and control action plan" to optimize adjustments programs around the industrial, energy, transportation, land use structure, proposed Yajian coal, pollution abatement, control car cut oil, clean dust, haze rule technology, integrated law enforcement operations as well as six 50 detailed measures.

According to the provincial government issued the goal of improving air quality in 2019, Chengdu PM2.5年均浓度控制在 year 52 micrograms / cubic meter and below, the number of days of good air quality rate of 67.6% and above.

Chengdu six proposed action, emphasizing the Internet technology means to achieve "smart governance gas": First, accelerating into the key source of business to install online monitoring equipment; the second is the full implementation of the wisdom of the site management platform in the city's housing construction and municipal construction site, to build green construction demonstration sites; Third, establish and improve municipal departments emissions inventory information sharing liaison mechanisms and environmental systems City - District - the town (street) three emission inventory liaison mechanisms; Fourth, focus on road vehicle emissions, drawn dynamically updated mobile source pollution maps.

At the same time, promote green industrial development, increase efforts to eliminate high energy consumption and high pollution industries: on the one hand, continue to promote coal-fired boiler, "clear" work; in an orderly way in key areas of old gas (oil) boilers implementation of clean energy transformation; increase industrial furnaces efforts to eliminate non-compliance. On the other hand, the promotion of green travel, speed up the process of rail transit; in public transport, sanitation, landscaping, postal and other fields of new energy vehicles, accelerate the construction of charging (change) station, charging pile.

Works steam china coal fired water tube boiler manufacturer because the steam boilers and conventional boilers are not the same, because it does not require annual inspection, so there are a lot of users recently asked my principles steam boiler, steam boiler is how it works, I will give you an analysis by the steam today working principles of steam boilers in steam systems, water heating in the heater to a predetermined temperature, the water supply pipe into the economizer, after further heating into the drum, along with the mixing pot of water down to the downcomer inlet waterwall header. Radiative heat absorbing soda water formed by the mixture in the riser in the drum reaches the waterwall tubes, the water from the steam separator means, steam separation. The separated saturated steam flows to the steam drum by the upper superheater, continues to be endothermic superheated steam of 450 deg.] C, and then sent to the turbine. In terms of combustion and flue gas system, the air blower into the air preheater is heated to a certain temperature. It is ground to certain fineness in the mill coal, a portion of the hot air from the air preheater carried into the furnace through a burner. Discharging pulverized coal burner and combustion air mixture is mixed with the rest of the hot air in the furnace and release large amount of heat. The hot flue gas flowing through the furnace sequence after combustion, Slag bundle, the superheater, economizer and air preheater, and then through the dust removal device, wherein the fly ash is removed, and finally sent to the chimney by the induced draft fan to the atmosphere. That's all steam boiler works with you about today, the company's steam boiler 0.5 tons 0.5 tons horizontal and vertical steam boiler fuel gas-free acceptance, there is a need to contact us.

Introduce some common sense about the china coal fired water tube boiler manufacturer 1, the critical speed of the circulating fluid bed boiler. Gas flow rate corresponding to the minimum fluidization velocity or become known as the critical fluidization velocity. 2, the flow characteristics of circulating bed boiler? A high combustion efficiency of the fuel adaptability 2 3 4 desulfurization efficiency is low nitrogen oxide emissions high combustion intensity 5, 6 simply small cross-sectional area of ​​the furnace fuel and coal pretreatment system 7, a large load adjustment range, adjustment is easy to implement fast ash 8 utilization. 3, the partition circulating fluid bed boiler furnace and the corresponding characteristics into dense and dilute phases, a lower dense phase zone of the furnace, filled with hot materials, is a stable source of hot, heat storage is a thermal store , flow therethrough in an upper dilute phase zone of the furnace, the fuel air are required. 4, the positive balance calculation boiler efficiency, combustion of coal, boiler heat losses What? Coal particles is heated and dried: volatile combustion and precipitation: coal particles swell and rupture: re-cracking and coke burning carbon particles and wear. Heat loss 1 2 3 Chemical incomplete combustion loss of physical mechanical incomplete combustion heat of the loss heat loss 4 5 ash. 5, the charging cycle 4 Effect Effect Effect amount of the main factors affecting combustion in the boiler of a coal particle size distribution and particle 2 was 3 Effect fluidization velocity excess air factor 5 bed temperature Dense Phase 6 . 6, the basic form of the heat transfer in? In the heat transfer process, there are three basic ways of heat transfer: thermal and heat transfer, convective heat and radiant heat transfer. 7, their role in recycling and recycling processes? By the economizer feed water into the steam drum, a descending pipe into the water wall, by absorbing the heat released by the combustion of the fuel heating the water in the saturated steam passes through the heat absorbing further heat saturated steam into dry steam heating. 8, sewage, drainage pipe What? Sewer: blowdown drum door (left and right) turn on the water accident door, front door header sewage, sewage tank after the door, left the door header sewage and right door header sewage, sewage water jacket door (about) Dipleg sewage door. Drainage pipe: the low temperature superheater inlet header hydrophobic doors, front / rear desuperheater hydrophobic door header, the high-temperature superheater inlet / outlet header, the header hydrophobic dispensing door. 9, then what are pipe drum? Meter and accessories? Superheater, economizer recirculation duct, platoon expansion tube, a condenser tube, soot blower tube, economizer inlet pipe, the discharge pipe accident, centralized downcomer platoon expansion, a water level gauge, a thermometer, security door, pressure gauge, gas-water separator, header. 10, the cyclone structure and working principle? Cylindrical body, the central cylinder, a cone, a loop seal, the material returning leg, from the high temperature flue gas out of the furnace, two left and right into the two cyclones, increase after turning flue flue gas velocity in the cylinder the center of rotation of the form cylinder back down into the cone upwardly from the central cylinder wall Shuaixiang excluded smoke particles under high effort when the cone reaches the end coupled with its heavy fall below the loop seal. 11, Refeeder role? The ash from the circulation loop seal into the furnace combustion chamber 12, acting characteristics superheater? The use of flue gas heated to a certain pressure saturated steam superheated steam. 13, bag filter works and composition? Principle: inlet flue gas-containing flue dust particles into the lower caul plate over the flue dust reduction chamber, and then through the outlet to reduce the wind speed of the flue draft fan withdrawn via the discharge plenum chamber clean flue upper portion of the bag filter the atmospheric composition: inlet flue, the caul plate, the reduction of flue gas chamber, bag, net flue gas plenum chamber exit gas, ash silo, rotating ash blowing device, the air reservoir. 14, to the mounting position of the coal feeder, the number, composition mounted on the front wall of the furnace, the number of stage three consists of: a motor, a belt coal feeder, reducer, the motor slide. 15, the process of slag from the furnace down the three tap outlet derived by the discharge of slag, after water cooling to cool to a certain temperature onto the cooling belt-type transfusion Pa, and then transported by the inclined transport slag to the slag bin .

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