oil industrial water tube hot water boiler prices

oil industrial water tube hot water boiler prices

How to identify whether the toxic chemical plant boiler emission sources on how to identify whether the toxic chemical plant boiler emission sources? Now, the chemical inside the boiler or the production of major productivity. But there is a time of some chemical plants for production of boilers, flue gas emissions place are smoke smoke. Which is the most common white smoke tobacco, and there are a lot of people will find that the more obvious the more cold weather white smoke, which is why in the end, saw the boiler flue gas chemical plant will be white coming out. In fact, most white column of smoke, especially in cold weather to see, and water vapor is condensed water droplets nothing. Boiler feed water tank is equipped with a chimney, only water vapor and air emissions. Water is one of the important by-product of combustion, so the chimney of coal, oil and natural gas boilers have water vapor. To reach reduce dust pollution emission regulations, companies will discharge terminal apparatus water filtration apparatus into the exhaust gas boiler water filtration, all the inside of the dust filtered off, and then discharged to the atmosphere. Hyperthermia with dust filter, the exhaust gas is also absorbed by water to form water vapor is discharged from the chimney, the cold white smoke that we see a. In chemical plants, always able to see a kind of braving the plume of flame, burning in it day and night, in fact, this is not a column of smoke, its name is called safe torch. Chemical plant in the production process, many of flammable and explosive gases can occur, many of which are harmful. They are large heavy than air, if released into the atmosphere, by extension, be deposited on the ground and reaches very high concentrations, which will form a serious environmental pollution and damage to human health, should encounter fire, the fire will be formed, and the blasting . In order to prevent the onset of these risks, people will set them up and burn to prevent future trouble. There is also a mistaken chimney built, in fact, they are cooling towers, water vapor is discharged from the sterilization algae and some trace of drugs. Cooling towers is cold and hot water and steam generation using the air flow after the touch, the steam reaches the transpiration transpiration remove heat dissipation, convective heat transfer principle of thermal radiation and dissipate heat like occurs in industrial refrigeration and air conditioning, or to decrease the water temperature transpiration cooling means to ensure the normal operation of the system, it is above the water vapor.

Hebei Cangzhou issued a "special program on the implementation of standards of governance boiler." Emission standards for boiler treatment and corresponding indication made, as shown in details as follows.

First, the standard standard coal-fired boiler

1, before the end of September 2019, within the city of more than 35 tons of steam / hour ultra-low emission coal-fired boilers complete transformation, emissions of major pollutants to achieve ultra-low emission standards (dust ≤10mg / m³, SO2≤35mg / m³, NOx≤50mg / m³).

Before the end of the year 2/2020, the city eliminated 35 tons of steam / hour and coal-fired boiler, stove and stove operating a small coal stove, achieved within the city 35 steam tons / hour and the boiler "No Coal." Reserved 35 steam tons / hour and coal-fired boiler, stove and stove operating a small coal stove implementation of the special emission standards (dust ≤30mg / m3, SO2≤200mg / m3, NOx≤200mg / m3).

Retention of more than 35 tons of steam / h coal-fired boiler to install air pollution automatic monitoring facilities and networking with the environment department, to install a distributed control system (DCS system), real-time monitoring of pollutant emissions.

Second, gas-fired boiler

1, before the end of September 2019, the city completed two-thirds of the total number of units of low-nitrogen transformation gas boiler above. Among them, the central city of all gas-fired boiler and all the city's industrial and commercial gas-fired boilers to complete a full rebuilding mode low nitrogen.

2, the end of June 2020, the conventional gas boiler should be completed by transformation of a low nitrogen combustion, soot, sulfur dioxide and nitrogen oxide respectively 5mg / m³, 10mg / m³, 30mg / m³.

Third, the task

1, increase clean energy alternatives. In areas not covered by central heating pipe network, and vigorously promote geothermal, wind, solar and other clean energy, in an orderly way from coal to gas and coal to electricity, to change the power-based. In 2020, under the conditions of gas supply has been guaranteed, the city eliminated 35 tons of steam / hour and below the coal-fired boilers.

2, increase the coal management and control efforts. Coal infrared video monitoring devices to increase coal quality sampling efforts, to retain the blast furnace coal-fired boilers to be installed, Hebei coal to meet local standards "Industrial and domestic fuel coal" (DB13 / 208102014) non-coal power generation industry quality indicators .

3, strict new boiler access. Ⅲ class urban area and high-pollution fuel combustion zone ban municipal government designated a ban on new coal-fired boiler, a citywide ban on new 35 steam tons / hour and coal-fired boilers, the new 35 steam tons / hour of coal-fired boilers must in line with the municipal government of central heating planning or construction of industrial parks planning, energy efficiency reached AQSIQ "energy-saving technology supervision and management procedures boiler (TSGG0002-2010)" requirements, encourage the use of "energy efficient boiler promotion List" reached the level of energy efficiency standards boiler, pollutant emissions to meet emission standards require extremely low.

Check gas boiler before the preparation of cease-fire and that the flue slow cooling drum; open all manholes and hand holes in the header of the boiler body; let go of the gas within the boiler drum and water; the boiler combustion chamber, drum , flue ducts thorough cleaning; steam pipeline cleaning and removing rust and scale water; repair or replace a manhole cover; ready safelight, flashlights, test rods, tools and the like. Burner gas is an important part of the boiler, the main control system and combustion system components, the problem lies in easy control cabinet, 1. However, the normal ignition off this failure phenomenon typical cause of several tens of seconds after the self-ignition of the burner flame sensor dirty parts. The flame sensor is a photoresistor when irradiated with light of its own resistance decreases resistance value increases as a state of high impedance low impedance state when the light irradiation. Burner flame sensor controller in accordance with a resistance value to determine whether the process is continued if the combustion stop combustion flame sensor high impedance supply is immediately stopped to prevent the unburned diesel fuel reservoir. Flame sensor probe positioned within the burner duct, since the black smoke, tempering, blowing dust and other reasons that the surface thus losing readily soiling the photosensitive functionality. Check sensor probe, its surface is cleaned with a detergent or alcohol, if necessary. 2. Ignition normal exhaust smoke color but not normal diesel fuel injected into the burner is burning the mixture under stirring, when the appropriate amount of blowing water vapor and CO2 exhaust gas atomization are colorless. When there is insufficient air supply can cause incomplete combustion of diesel soot to form CO and thus give rise to the phenomenon of black smoke exhaust. However, if a strong wind inlet excessive combustion of oil mist may be blown off too late will form white smoke is discharged. Common causes of black smoke exhaust of combustion into the throttle opening is too small, white smoke into the throttle opening is reason to see through the large, two cases should be re-adjusted into the throttle. Exhaust smoke color can be observed while the side damper opening degree until near colorless in exhaust smoke color adjustment. Another reason is that black smoke exhaust poor atomization of diesel, oil mist contained in the larger droplets, can not be sufficiently mixed with the air due to a local incomplete combustion produce soot.

Electric boilers not only need to be strictly checked when buying, but also need to use the code of practice, so as to avoid the danger to the person. The electric boiler uses a long time will have the aging phenomenon, then how to carry on the maintenance to the electric boiler? The following electric heating zone you understand the maintenance of electric boilers: the general use of electric boilers within 1 to 2 years to carry out a certain maintenance of electric boilers, it is conducive to the normal operation of electric boilers, Regular maintenance is also the basic to ensure the normal operation of the electric boiler. 1, when maintaining the boiler, the power supply must be cut off and pressure relief must be made. 2. Burners should be removed from the boiler body every two months. It really cleans up foreign bodies such as charcoal and dust. The photo-electric tube is polished once a month. The fuel filter should always be cleaned and filtered. Carefully clean the inner filter screen of the oil pump and do not destroy the gasket. Burner must not run without oil, so as not to damage the oil pump. 3, the water level gauge should be kept clean at all times, open the cleaning valve once a day to ensure clear water level. 4, the safety valve is pulled once a day in case of rust failure. After the work, check if the tools, materials, accessories are complete, to prevent remaining in the furnace and other spaces. Special person delisting, acceptance and acceptance of qualified before leaving the work site, the final maintenance records, in order to prepare after Query.

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