The reason you need to know the boiler energy consumption (reheat steam temperature) reheat steam temperature problems 1. Circumstances reheat temperature rises 1.1 Move boiler furnace flame center, furnace outlet temperature increases (see main economic indicators No. 5 boiler exhaust gas temperature). 1.2 coal increased too fast. 1.3 Excess air amount is increased. 1.4 pulverizing system start-stop. 1.5 Automatic control of the reheater desuperheating water improper adjustment. 1.6 reheater sootblowing time poor choice. 1.7 feed water temperature is low. 1.8 the high pressure turbine exhaust temperature is high. Next to the 1.9 high leakage, high reheater inlet temperature. Hot and cold extraction section greater then 1.10. 1.11 boiler heating surface design is unreasonable, over-temperature reheater tube wall, forced cooling operation. 2. Reheat the following partial flame temperature is lowered center 2.1: burner tilt deviation, hem; burner is switched from the upper to the lower layer, the lower layer or to an excessive amount of the powder; volatile coal fraction is increased, the pulverized coal thinning, water reduction. 2.2 reheater heating surface fouling, slagging, fouling the interior. 2.3 Save reheat the heated drain valve. 2.4 automatic adjustment inappropriate, excessive reheater desuperheating water. 2.5 feedwater temperature. 2.6 economizer and water wall sootblowing time poor choice. 2.7 reduce the amount of coal too fast. 2.8 # 1, # 2 high pressure heater is disabled, increasing the reheated steam flow.
Natural gas exhaust used fired steam boiler by what configuration consisting of environmental policy and natural gas high pressure steam boiler their good performance advantages, let natural gas steam boiler stand out in a crowd boiler types, all ages, and use more and more users. Many users before purchase natural gas steam boiler, the boiler due to insufficient understanding, very easy to be deceived poor sales. Today we have to say something about, what are the natural gas steam boiler configuration consisting of it so that we have a general concept. Natural gas steam boiler is a series of devices can be roughly divided into two main parts and auxiliary equipment. First, the main member 1, the chamber: the fuel burn-up and ensures that the boiler outlet temperature of the flue gas is cooled to a value of convection heating surface capable of security. 2, 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. 3, 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. 4, combustion equipment: the fuel and air required for combustion of the fuel into the furnace ignition and stable good combustion. 5, air preheater: heating the fuel with air, in order to enhance ignition and combustion; flue gas waste heat absorption, reducing the exhaust gas temperature, increase boiler efficiency. 6, 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. 7, the frame: a support member and fixing the boiler. Second, the auxiliary device 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 apparatus: fuel storage and transportation work 4, water supply equipment: a water pump to feed water through the water treatment device into the boiler. 5, the air blowing apparatus: the air blower means through application exports the furnace air preheater and a coal grinding heat. 6, the automatic control device: automatic detection, process control, automatic protection and automatic adjustment. Natural gas steam boiler is mainly from these major components and auxiliary equipment components, making them a reasonable match to achieve efficient boilers, environmental effects, but also improve the thermal efficiency of the boiler, the boiler at work so that you can achieve safe and reliable results.
Internal gas-fired, gas-fired fuel management is equally important for wear to how to do? Detailed examination is the key, fuel management is equally important. We can according to operating conditions, gas-fired, time, planning and reasonable arrangements for wear of the check, when using fuels strict control of particle size into the furnace of coal and limestone particle size of bed material similar to strict customs, boiler waste to be treated before discharge. Want to reduce the impact on the water wall tube may be appropriate to adjust air pressure, air volume, can effectively reduce the wear and tear of the water wall. Maintenance shutdown time is generally in a standby or shutdown, check items include wear the furnace wall, the furnace seals are tight, leak or absence of smoke and the like. In the case of wear was found to be timely repair and welding, to ensure the normal operation of the exhaust used fired steam boiler. Generally gas prior to combustion boiler needs to be filled in the combustion chamber fossil fuel, fossil fuel and bed material, the full integration of recycled materials in an air convection wind speed, wind strength and rigidity of the bottom of the apparatus, the inner core region of upwardly movement, the outer annular area of the reflow furnace wall along a downward extension of the coal particles in the furnace residence time, mineral particles, fly ash and flue gas contains a large number of large amounts of fly ash particles causes the waterwall tubes kept fast erosion wear, wear thin wall thickness, resulting in wear and tear.
Thirteen Five release plan indicates that China's move towards green development pace firmer, Beijing SASAC Building Materials Service Center from its start, the use of green boiler heating for low nitrogen as the primary task before the onset of winter. SAC Building Materials authorities after preliminary investigation and after the screening, the other fast boiler R & D experience in the field of boiler cleaning two decades expressed appreciation can, in August 2017 signed a five Thalia T6 series one boiler and two vacuum with fast Boiler condensing gas boiler products contract.
Exhaust Gas Boilers also known as Exhaust Gas Economizers, with extended heating surface, used for waste heat recovery in motor ships. Exhaust Gas Boilers are normally built to regenerate heat from comparatively large flue gas quantities at a not very high temperature and with a limited pressure loss.Learn More
Dec 09, 2015 · In the exhaust gas boiler tubes, heat from the main engine exhaust gas is transferred to the water side by convection. On the water side, the heat is transferred by evaporation of the saturated water adjacent to the tubes where steam bubbles are formed.Learn More
Jun 04, 2003 · All gas-fired, low pressure steam and hot water boilers certified to the ANSI Z21.13 standard are required to have the vent system category (I, II, III or IV) on the rating plate. The ANSI Z21.13 standard contains a uniform test procedure used to evaluate the vent system of all certified boilers.Learn More
Boilers heat water, and then distribute hot steam or hot water to rooms through a series of pipes to heat the home. Steam is sent to radiators, while hot water flows to radiators or radiant heating systems. Boilers are fueled by natural gas, heating oil, propane, electricity or a biodiesel-oil blend.Learn More
Steam boilers are utilised in a range of different gas applications with this being a popular solution for hospitals, sewage treatment works and industrial process plants. Exhaust heat boilers are connected to the exhaust of the gas engine and can either be housed in an adjacent building or can be provided in their own customised container.Learn More
Otherwise, the exhaust gas boiler could be used in oil/gas fired combined cycle units, and take advantage of the high temperature flue gas heat discharged by gas turbine. Generally, the exhaust gas boiler is installed in gas duct, generate steam by absorbing the flue gas waste heat, and decrease the exhaust gas temperature. Compare with the ordinary steam boilers, exhaust gas boiler do not burn fuels. It could change waste into wealth, has the advantages of energy saving and low production cost.Learn More
The structure of SZS series gas fired water tube boiler is arranged as drum longitudinal type D shape, its quickly assembled boiler with water tubes, has the characteristics of high steam quality, sufficient output, and high thermal efficiency (97%), etc.Learn More
GAS FIRED STEAM BOILERS Information and specifications outlined in this manual in effect at the time of printing of this manual. reserves the right to discontinue, change specifications or system design at any time without notice and without incurring any obligation, whatsoever. Introduction Boiler is designed for use in closed heating systemsLearn More
MACH® Gas Fired Boiler 6 Operating and service personnel must be thoroughly familiar with the basic construction of the MACH® C3000 and C4000 boilers, the use and locations of the controls, the operation of the boilers, adjustment of their various mechanisms, and all applicable safety precautions.Learn More
A steam injector is typically used to deliver cold water to a boiler against its own pressure using its own live or exhaust steam, replacing any mechanical pump.This was the purpose for which it was originally invented in 1858 by Henri Giffard.Learn More
Oil gas fired steam and hot water boiler, Coal/biomass fired grate boiler, Thermal oil heater, Electric heating boiler. 3. Until now, Yuanda products have covered all provinces and cities of China and have been exported to 86 countries and regions such as Bangladesh, Nigeria, Chile, Russia, etc.Learn More
Exhaust Gas Boilers And Economisers Arrangement Auxiliary boilers on diesel main propulsion ships, other than tankers, are usually of composite form, enabling steam generation using oil firing or the exhaust gases from the diesel engine. With this arrangement the boiler acts as the heat exchanger and raises steam in its own drum.Learn More
Exhaust Gas Steam Boiler. Exhaust Gas Boilers also known as Exhaust Gas Economizers, with extended heating surface, used for waste heat recovery in motor ships. Waste Heat Boilers Clarke Energy. An outline of the utilisation of waste heat boilers in in a waste heat boiler. The superheated steam produced in the boilerLearn More
Sep 22, 2017 · exhaust gas-fired boiler, with a 1,200-6,500 kg/h capacity of the oil-fired to 5,000 kg/h from the exhaust gas section. into one reliable production of steam both during voyage and port stay. fully integrated, and standard burners cannot be used for this boiler.Learn More
Boiler is designed for use in closed heating systems where all steam is returned as condensate and make-up water is minimal. Boiler is not designed for or intended for use in open systems using 100% make-up water. Prior to Installation Verify correct boiler for type of gas being used natural or propane. See Rating Plate.Learn More