DABONN designs and delivers innovative engineering solutions for the boiler and heating industry worldwide
DABONN designs and delivers innovative engineering solutions for the boiler and heating industry worldwide
From designing and planning new boiler installations to servicing existing boilers
Learn moreFrom designing and planning new boiler installations to servicing existing boilers
Learn moreFrom designing and planning new boiler installations to servicing existing boilers
Learn moreWe deliver boiler solutions internationally. Give us a call, and let us know how we can help you!
They have the advantages of high efficiency, safety, and environmental protection, and can meet your various needs.
Show all productssteam boiler
Corner tube boilers use boiler coal injection technology. After the fuel is ejected in the hot air, it goes through multiple links such as ignition, combustion, coal ash separation, re-contact and combustion, etc. to generate flue gases that enter the boiler. The flue gases are exchanged with each other through water pipes and superheated pipes. After heat transfer, it turns into water vapor and enters the steam turbine to generate electricity. Because the corner tube boiler fully contacts the hot air and the combustion material, the heat energy is maximized, so it has the advantages of high thermal efficiency, energy saving, and environmental protection.
Learn moresteam boiler
A corner tube boiler is a natural circulation water tube boiler. It differs from other water tube boilers in that it has the characteristics of a water-steam cycle. The pre-separation of heating steam and steam-water mixture occurs outside the drum in an unheated downcomer. This type of boiler is called a corner tube boiler.
Learn moresteam boiler
The skid-mounted gas boiler is an integrated boiler system that collects all auxiliary equipment such as the boiler body, control system, water softener, soft water tank, feed water pump, steam tank, fuel tank, instrument valves, etc. into one container to realize the entire boiler equipment mobility. The boiler only needs to be connected to the power supply to operate fully automatically. The instrumentation and control systems of the boiler are all completed in the container.
Learn moresteam boiler
The SZS low-nitrogen condensing gas boiler is a double-drum longitudinal "D" type quick-installed water tube boiler. It consists of an upper and lower drum, a membrane water-cooled wall, a convection tube bundle and a flue gas condensation recovery device. After the fuel is burned in the furnace, the flue gas is discharged into the chimney through the convection tube bundle and the flue gas condensation recovery device.
Learn moresteam boiler
The series of boilers adopts an excellent design concept. Through the condensing device, the heat of the flue gas is used in cascade, and the residual heat in the flue gas is fully absorbed, so that the boiler efficiency is greatly improved.
Learn moresteam boiler
This series of boilers is designed with a classic shell type, full-wet back, down-flow and three-pass design structure. The fuel is fully burned in the large-capacity combustion chamber, and the combustion heat load is low, which can greatly reduce the emission of harmful substances such as CO and NOx.
Learn moresteam boiler
The boiler adopts a double-drum longitudinal "D" type arrangement structure; water, steam or steam-water mixture flows in the pipe; flame burns and flue gas flows outside the pipe, forming extremely fast steam-water flow rate and excellent water circulation system. Boiler heat absorption rate and thermal efficiency are high.
Learn moresteam boiler
The shell-type fire tube structure is adopted, and the flame is burned downward to enhance the heat transfer effect, thereby reducing the convective heating area; the flow resistance of the flue gas is small, the running power consumption is low, and the operation cost is saved.
Learn moresteam boiler
The closed condensate recovery system is combined with the three-pass structure, economizer and air preheater to fully utilize the heat of the gas or oil, and the heat of the high-temperature condensate is recovered from the source, which can save operating costs and improve boiler operating efficiency.
Learn moresteam boiler
Euromonitor 6 series steam boilers can provide production steam for food processing, printing and dyeing, pharmaceutical, and other industrial enterprises, provide disinfection steam for medical institutions, provide steam for heating of other enterprises, institutions, and hotels, and can also provide steam through heat exchanger heating domestic hot water.
Learn moresteam boiler
Fangkuai Euromonitor 7 series steam boiler adopts coupling technology to integrate the traditional combustion system and heat transfer system into a complete thermal energy system, which solves the dilemma of sacrificing the heat transfer characteristics of the boiler to adapt to the combustion characteristics of the burner and obtains low nitrogen emissions.
Learn moresteam boiler
The boiler is composed of furnace, water supply, self-control, heating and safety protection system. It uses electricity to generate heat and generate steam with a certain pressure. It has the characteristics of convenient use, simple operation, economical and wide application fields.
Learn moresteam boiler
Conden gas-steam boiler is a wok shell type with three backflow downstream pyrotechnical tube structure. The flame burns under micro-positive pressure in the corrugated furnace with high combustion thermal efficiency. The corrugator can be fully extended according to the temperature and the heat transfer area can be increased at the same time. The second return journey adopts the threaded pipe structure, which improves the heat absorption intensity of the boiler, effectively reduces the smoke exhaust temperature, saves energy and reduces consumption, and is economical to use. The third return journey adopts the light smoke tube, which can effectively reduce the smoke resistance of the boiler， improve the combustion efficiency and reduce the operating noise of the burner. There is enough steam space in the upper part of the boiler， coupled with the use of advanced and reasonable steam separation device, the steam quality is quite stable.
Learn moresteam boiler
The low nitrogen steam boiler is a boiler shell type full wet backflow three return fire tube structure, The flame burns under slightly positive pressure in the corrugated furnace with high combustion thermal efficiency. The corrugated furnace can be fully extended according to the temperature, and the heat transfer area can also be increased. The second return journey adopts the threaded pipe structure. which improves the heat absorption intensity of the boiler. effectively reduces the smoke exhaust temperature. saves energy reduces consumption, and is economical to use. The third return journey adopts the big smoke tube technology. which can effectively reduce the smoke resistance of the boiler. improve the combustion efficiency of the burner. and reduce the operating noise of the burner. There is enough steam space in the upper part of the boiler, coupled with the use of advanced and reasonable steam separation devices. the steam quality is quite stable.
Learn moresteam boiler
Condensing and low nitrogen fuel gas steam boiler is a boiler shell type two-return firework tube structure with a full wet backflow. The flame burns under micro-positive pressure in the corrugated furnace tank, which has high combustion thermal efficiency. The wave tank can be fully extended according to the temperature. and the heat transfer area can also be increased. The second return journey adopts the threaded pipe structure. which improves the heat absorption intensity of the boiler. effectively reduces the smoke exhaust temperature, saves energy reduces consumption, and is economical to use. There is enough steam space in the upper part of the boiler, coupled with the use of advanced and reasonable steam separation devices. the steam quality is quite stable.
Learn moresteam boiler
Traditional steam generation equipment or steam boilers achieve periodic steam supply through periodic segmented steam heating to make the water storage temperature reach a predetermined standard. Our Liwei steam generator uses a specially designed stainless steel heat exchanger, which greatly improves the heat exchange performance. At the same time, the surface of the heat exchanger is specially treated to effectively prevent corrosion and carbonization, and maintain long-term heat exchange efficiency.
Learn moresteam boiler
Electric steam boiler is a new type of electric heating equipment that converts electrical energy into heat energy. Its design also follows boiler safety supervision regulations and industry manufacturing standards. The electrical components of electric boilers adopt well-known brands such as Siemens, Schneider, ABB, Chint, etc., which completely eliminates users' fear of electricity and leakage.
Learn moresteam boiler
DZL type quick assembly boiler is a single drum longitudinal chain grate boiler. It is suitable for burning molded biomass fuel, and can also burn pure coal and molded biomass fuel. There is an economizer at the rear. The discharged ash and slag can be directly used as farmyard fertilizer, which is an efficient, energy-saving and environmentally friendly product. It is equipped with a drum induced draft fan for mechanical ventilation and a spiral slag discharging machine for mechanical slag discharging. The control and monitoring instruments are complete, making the boiler operation safe and reliable.
Learn moresteam boiler
The SZL series double-drum vertical chain grate water tube steam boiler adopts a quick installation or assembly structure. For 4-6t/h capacity, it is a quick installation water tube structure and is fully assembled in the factory before delivery. For 6-35t/h capacity, it consists of two major components: the upper part is the heating surface, and the lower part is the combustion equipment. The high-temperature flue gas is directed through the convection heating surface and passes through an economizer and dust collector before being discharged.
Learn moreThey are suitable for a variety of uses and locations, including but not limited to homes, hotels, hospitals, and schools.
Show all productshot water boiler
Corner tube boilers use boiler coal injection technology. After the fuel is ejected in the hot air, it goes through multiple links such as ignition, combustion, coal ash separation, re-contact and combustion, etc. to generate flue gases that enter the boiler. The flue gases are exchanged with each other through water pipes and superheated pipes. After heat transfer, it turns into water vapor and enters the steam turbine to generate electricity. Because the corner tube boiler fully contacts the hot air and the combustion material, the heat energy is maximized, so it has the advantages of high thermal efficiency, energy saving, and environmental protection.
Learn morehot water boiler
WNS series gas boilers are energy-saving boilers with shell type, corrugated furnace and threaded smoke tubes. They adopt a three-pass wet-back structure. The fuel is burned in the furnace to produce high-temperature flue gas. It passes through the backfire chamber, the first convection tube bundle, The front smoke box, the second convection tube bundle, the rear smoke box, the normal pressure condenser, and the rear exhaust of the chimney.
Learn morehot water boiler
This series of boilers mainly use condensing technology to recover the residual heat of flue gas, making full use of the sensible heat and latent heat of flue gas. The boiler absorbs a large amount of heat again, so the exhaust gas temperature is only 50 °C, and the thermal efficiency can be increased by more than 10%, which can save at least 4% of fuel input.
Learn morehot water boiler
This series of boilers adopts a downstream, three-pass and shell design to ensure that the fuel is fully combusted in a large combustion chamber, and fuel utilization and boiler efficiency are greatly improved.
Learn morehot water boiler
The boiler is a double-drum longitudinal "D" type structure. The water, steam or steam-water mixture flows in the tubes. The flame burns and the flue gas flows outside the tubes, to ensure the good water circulation system, thus ensuring the long-term stable operation of the boiler.
Learn morehot water boiler
Based on the principles of thermodynamics and heat transfer, the burner is closely matched with the boiler to achieve the optimum ratio. Moreover, on the basis of traditional vertical hot water boilers, an integrated solution for waste heat utilization is added. The exhaust gas temperature is as low as 90℃, and the thermal efficiency is as high as 95%-96%. The efficiency of the boilers is maximized.
Learn morehot water boiler
This furnace type is a condensing boiler with an overall layout based on rigorous thermal theoretical calculations and years of experience in thermal layout pipe networks and using CFD (numerical simulation) technology, which reduces the floor area by more than 40% compared with traditional condensing boilers.
Learn morehot water boiler
This series of boilers is a vertical structure. It uses advanced condensation technology to achieve condensation without a economizer. The overall footprint is only 1.4m³, and the exhaust temperature is as low as 50°C. It can continuously deliver hot water to schools, shopping malls, hotels, offices and other places.
Learn morehot water boiler
The deep matched technology of new combustion and heat transfer no longer sacrifices the boiler's key characteristics (heat transfer system) to adapt to the burner characteristics (combustion system), making the gas boiler a complete thermal system with low nitrogen emissions. At the same time of obtaining low nitrogen emission, the utilization efficiency of the boiler is further improved.
Learn morehot water boiler
The boiler adopts an environmentally friendly combustion method - full premixed combustion, and the gas and air are precisely adjusted and premixed in advance to ensure more complete combustion. The new crossing wing-shaped heat exchange element, Ultra-speed Smoke Cooking Tube, uses a unique heat transfer technology and structural design to achieve deep condensation of flue gas and greatly improve heat transfer efficiency.
Learn morehot water boiler
The boiler is composed of a boiler body, an electric control box and a control system, and has obvious characteristics of environmental protection, cleanliness, pollution-free, noise-free and automatic. With the reduction of limited energy and the sharp rise in price, electric hot water boiler as a new type of kinetic energy equipment is more and more recognized by people.
Learn morehot water boiler
The boiler adopts advanced full premixed combustion technology to achieve super high utilization of fuel, and the operating efficiency is increased by more than 15% compared with ordinary boilers. The integrated structure design reduces the floor space by more than 30%. It is the preferred equipment for energy-saving heating in hotels, shopping malls and schools.
Learn morehot water boiler
The high-efficiency and energy-saving furnace is a corrugated furnace. The furnace, backburner chamber, and front and rear tube plates all adopt a full edge structure, which can effectively eliminate the thermal stress of the furnace. The backburner chamber is an eccentric structure with a large diameter and a large radiation heating area. The second return smoke pipe adopts a heat transfer enhanced Threaded smoke pipe, the third return path adopts a large smoke pipe structure, which enhances heat transfer and effectively reduces boiler back pressure. The exhaust port can be equipped with a condensing heat exchanger, which can absorb the latent heat of water vapor in the flue gas to the maximum extent, thereby improving the thermal efficiency of the boiler.
Learn morehot water boiler
One unit can be equipped with multiple heat exchangers to supply hot water at different temperatures and for different uses, such as central air conditioning water, sanitary hot water, process hot water, etc. The company follows the principle of "maximum energy configuration" to ensure that each heat exchanger can achieve the maximum heat supply when providing heat alone, so that users can obtain the best results with the smallest investment.
Learn morehot water boiler
CWNS series atmospheric pressure fuel gas(oil)hot water boiler is a horizontal internal combustion wet back shell boiler. The man structure is composed of a potting shell and a furnace liner. a firebox, a one-pass smoke pipe, a two-pass smoke pipe, and front and rear smoke boxes.Suitable for gas and liquid fuels such as light oil, heavy oil, city gas, and natural gas.
Learn morehot water boiler
This boiler is divided into heating type, dual-purpose type, warm water type (galvanized), and stainless steel liner type. The furnace body design is optimized, with large heating area, high thermal efficiency, fast heating and sufficient hot water supply. Equipped with high-quality burners, the fuel is fully burned and the noise is low.
Learn morehot water boiler
Vertical drinking water boiler is an efficient, energy-saving and environmentally friendly hot water equipment, specially designed to meet the needs of users. It is made of advanced technology and high-quality materials. It has the advantages of safety, reliability, ease of use, high efficiency and energy saving. It is widely used in hot water supply in homes, schools, hospitals, hotels and other places.
Learn morehot water boiler
Atmospheric pressure hot water boilers are also called pressureless hot water boilers, which belong to the category of domestic boilers. It is a non-pressure hot water boiler with an air vent on the top and the boiler body is always operating at normal pressure. The main feature of the normal pressure hot water boiler is that the boiler is not pressure-bearing and has no safety hazards. It is mainly used for heating and producing hot water. It is one of our more common types of boilers.
Learn morehot water boiler
The boiler water is only used as a heat carrier. During operation, the oxygen in the water is heated and precipitated. It is discharged out of the furnace. Oxygen corrosion will not occur in the furnace for long-term use. When the heat medium water is added at one time, a limited amount of calcium and magnesium ions are also heated and softened. The furnace water does not increase or decrease during operation, so no scaling occurs inside the boiler, which prolongs the operation. The service life of the boiler is 1.5 to 2 times that of ordinary boilers.
Learn morehot water boiler
Electric hot water boiler is a new type of electric heating equipment that converts electric energy into heat energy. It is also designed and manufactured in compliance with boiler safety supervision regulations and industry standards. The electrical components of Liwei electric boilers are from well-known brands such as Siemens, Schneider, ABB, HONEYWELL, and Chint, which completely eliminates your fear of electricity and leakage.
Learn morehot water boiler
The lower part of the electric vacuum hot water boiler is a water chamber. A stainless steel heating tube is installed on the wall of the water chamber. Electric energy is converted into heat energy through the electric heating tube. The upper part is a steam space, in which a row of stainless steel tubes is inserted. Tubular heat exchanger. Since the entire boiler is under negative pressure, it is absolutely safe. The heat medium in the furnace does not enter, exit, increase or decrease during the entire operation of the boiler. It is only enclosed in the vacuum chamber of the boiler and transfers heat between the heat transfer tubes and heat exchangers of the boiler. The heat medium in the furnace is completely deoxygenated pure water, which has no corrosion or scale.
Learn morehot water boiler
The WDR electric pressure hot water boiler has a shell-type structure. A stainless steel heating tube is installed on the wall of the shell. Electric energy is converted into heat energy through the electric heating tube. The boiler has a compact structure, small size, flexible layout, and easy installation.
Learn morehot water boiler
As a high-end natural gas boiler product, the fully premixed low-nitrogen condensing boiler has been recognized by the industry for its safety, stability, excellent performance and quality. Professional system integration technical support capabilities can provide customers with professional and tailor-made system designs for different business types, providing customers with integrated solutions from heat source to terminal, from heating to hot water supply, from automatic control to the entire network. The comprehensive energy saving rate can reach 30%.
Learn moreWe offer high-quality, affordable replacement parts for all types of boilers - including steam, hot water, and more.
Show all partssteam boiler
As the most important auxiliary equipment in boiler equipment, the quality of the burner will directly affect the operating efficiency of the boiler and the emission of nitrogen oxides. DABONN is an integrated (split) burner designed and manufactured in accordance with relevant international and domestic standards. It adopts a multi-stage combustion method and covers a wide range of furnace types. It can be used in water tube boilers, fire tube boilers, modular boilers, and central return types of boilers such as burning boilers.
Learn moresteam boiler
The deaerator is one of the key equipment in the boiler and heating system. It is mainly composed of the deaerator tower head, the deaerator water tank, as well as the connecting pipe, and the external parts. If the deaerator's deoxidizing ability is poor, it will cause serious corrosion to the boiler's water supply pipeline, economizer, and other ancillary equipment, and the economic loss will be dozens or even hundreds of times the cost of the deaerator. Everyone must pay attention to the quality selection of deaerators.
Learn moresteam boiler
The gas boiler economizer is mainly composed of the flue heat exchanger, thermal insulation regulating water tank, circulating water pipeline, hot water circulating pump, solenoid valve, electrical control, and monitoring and display system. Without changing the original body of the boiler, a flue gas heat exchanger is installed at the exhaust outlet to reduce the exhaust gas temperature of the boiler to a low enough level, and the superheated water vapor in the flue gas will condense, and through heat exchange, It absorbs the physical sensible heat in the exhaust smoke and the latent heat of vaporization released by the condensation of water vapor.
Learn moresteam boiler
In the system of oil-fired and gas-fired boilers, the condensing heat exchanger is the corresponding waste heat recovery and utilization equipment installed at the end of the boiler. If the flue gas is around the heat transfer surface, the corresponding near-wall surface temperature will gradually drop to the dew point temperature, which is accompanied by the cooling and condensation process of the water vapor, thereby releasing the corresponding heat and conducting the heat to the interior through the heat transfer surface. The specific working fluid is used, and then the heat in the exhaust gas is collected again, so as to achieve the purpose of energy saving and environmental protection of the system.
Learn moresteam boiler
The boiler regularly discharges sewage or waste hot water whose pressure is higher than that output by the regular blowdown expander and separates secondary steam and waste hot water through decompression and expansion. The secondary steam can be discharged into the atmosphere or used as a heat source, and the waste hot water is generally discharged into the sewer system through the sewage cooling pool. In this way, the recovery of secondary steam and waste hot water can be used as a heat source, and a part of the heat loss caused by the boiler blowdown can be recovered, and the efficiency of the boiler can be improved.
Learn moresteam boiler
The continuous blowdown expansion vessel is connected to the continuous blowdown port of the boiler. By decompressing and expanding the continuous blowdown of the boiler, the blowdown is separated into secondary steam and waste hot water by adiabatic expansion, which is expanded and depressurized in the expander. , heat exchange and then discharge, secondary steam is led out by special pipeline, waste hot water is automatically discharged through floating ball liquid level valve or overflow regulating valve, and heat energy can be recovered and reused.
Learn morehot water boiler
The water pump is a mechanical accessory that transports liquid or pressurizes the liquid. It transmits the mechanical energy of the prime mover or other external energy to the liquid to increase the liquid energy. The liquids mainly used for transporting include water, oil, acid and alkali liquid, emulsion, Suspension emulsions liquid metals, etc.; can also transport liquids, gas mixtures, and liquids containing suspended solids. The technical parameters for judging the performance of the pump include flow rate, suction lift, head, shaft power, water power, and efficiency.
Learn morehot water boiler
The water tank is generally composed of a water inlet pipe, water outlet pipe (domestic water outlet pipe, fire water outlet pipe), overflow pipe, drainage pipe, and other pipes. To measure the quality of the water tank, it depends on how the welding technology is. Welding materials should comply with the current standards "Carbon Structural Steel" and "Carbon Steel Welding Rod"; butt welding is used for splicing steel plates, and other welding is fillet welds. Strengthen the coincidence.
Learn moresteam boiler
The deaerator pump needs to be used in conjunction with the deaerator in order to play a good deaeration function in the boiler equipment. Generally speaking, the selection of the deaerator pump should not only combine the flow-head curve, but also simulate the working curve after parallel connection through a certain selection software, and also leave a certain margin. Therefore, in the two When the deaerator pumps are connected in parallel, 5-10% of the space can be reserved according to experience, which requires the boiler engineer to have certain technical experience.
Learn moresteam boiler
The sub-cylinder is also called the sub-drum, which is the main supporting equipment in the steam boiler. It is widely used in power generation, petrochemicals, steel, cement, construction, and other industries. It can distribute the steam generated by the boiler to various pipelines. The pressure-bearing equipment of the sub-cylinder system belongs to the pressure vessel, and its pressure-bearing capacity and capacity should correspond to the supporting boiler. The main pressure components of the sub-cylinder are the head, shell material, etc.
Learn morehot water boiler
In the water supply process of industrial boilers, the main principle of using softened water is to use ion exchange resin to exchange iron, magnesium, and calcium ions contained in water as sodium ions. Specifically, when the content of dissolved solids and various ions in tap water is known, the content of dissolved solids in demineralized water can be calculated simply by converting various ions in the liquid into sodium ions.
Learn morehot water boiler
Circulating water pump refers to the circulating liquid pump for conveying reaction, absorption, separation, and absorption liquid regeneration in boiler equipment. Its head is low, and it is only used to overcome the pressure reduction of the circulation system, and a low-lift pump can be used. The flow rate of the circulating water pump is medium, and under stable working conditions, the flow rate of the pump changes relatively little. Its head is small and low, and it is only used to overcome the pressure drop of the circulatory system. Low-lift pumps can be used.
Learn morehot water boiler
In boiler equipment, the valve can play the role of opening and closing the pipeline, controlling the flow direction, and adjusting and controlling the parameters (temperature, pressure, and flow) of the conveying medium. The valve is a control component in the fluid conveying system, which has the functions of cut-off, regulation, diversion, prevention of backflow, voltage stabilization, diversion or overflow, and pressure relief. According to the specific function of the valve, it can be divided into a shut-off valve, check valve, regulating valve, and other models.
Learn morehot water boiler
With the continuous emergence of high-rise buildings, the setting of chimneys in high-rise buildings has attracted more and more attention, which is also a very difficult problem. If it is not handled properly, it is likely to cause serious consequences of "disaster to the present and future generations". The steel chimney made of stainless steel, titanium steel composite plate, carbon steel, and other materials stands out because of its characteristics of heat preservation, effective durability, safety, and reliability.
Learn morehot water boiler
Also known as a low-ribbed tube, it mainly depends on the outer ribbing of the tube (ribing coefficient is 2-3) to expand the heat transfer area. The use of threaded tubes in boiler equipment can increase the heat transfer area by more than 1 times; and the surface tension inside the tube is strong, which also has a good strengthening effect on condensation and boiling outside the tube. Compared with the traditional smooth tube, it has the advantages of high heat transfer efficiency, not easy to scale, small size, and material saving.
Learn moresteam boiler
A sampling cooler is an instrument mainly used for sampling and cooling steam and water in the boiler room or power plant, including a cooling water tank, water inlet pipe, flange cover, water outlet pipe, confluence tank, and several cooling coils and other accessories. It can effectively improve water quality analysis accuracy while connecting points between devices is simple. The sampling cooler is suitable for sampling high-temperature liquids and gases and has the advantages of a compact structure, high heat transfer efficiency, convenient cleaning, and long service life.
Learn moreUnlike traditional boilers, DABONN's water tube boiler systems are capable of producing full pressure steam from a cold start in five minutes or less. This ensures that you only produce steam when needed.
Water treatment solutions are integrated into the entire steam system's advanced IoT technology. From water softeners to feedwater tanks, your water treatment is centrally controlled and automated.
Handling fluctuating loads with modular boilers is a breeze. Boilers produce steam from a cold start in less than 5 minutes, and boilers automatically turn off and on to produce the steam you need.
Keeping your industrial boiler running like the day you bought it is easy with DABONN's build-in and auxiliary equipment for boiler monitoring and water treatment.
Copyright © Zhengzhou Dabonn Energy Co., Ltd
