Characteristics of fully condensing high-efficiency steam boiler

1. Wet back center low position symmetrical arrangement, corrugated furnace chamber

2. Full edge design of combustion chamber, threaded smoke pipe

3. Flue gas waste heat condensation absorption, low nitrogen energy saving

4. First level energy-saving, second level condensation, reducing exhaust gas temperature, and improving boiler efficiency

Characteristic description of fully condensing high-efficiency steam boiler

1. Convenient maintenance:

Set up a fully hinged double-layer sealed smoke box door. The rear of the boiler is equipped with observation holes and inspection doors, and the furnace body is equipped with manholes and handholes. Ensure that there are no blind spots in the maintenance of boiler flue gas and steam water.

2. Reliable attachments:

Equipped with world-renowned brand burners, advanced and stable control systems (with imported main components), and valves and pumps from high-quality domestic and foreign brands, ensuring the safe and stable operation of the boiler.

3. Standardized manufacturing:

Throughout the entire production process, we strictly follow national and industry standards for design and manufacturing, relying on advanced production processes to ensure the overall excellent quality of the boiler.

4. Advanced self-control system:

The boiler achieves fully automatic control and has strong control system expansion capability.

5. High quality service:

365 days a year, 24 hours a day to provide high-quality technical consulting and service work, always offering the best quality and perfect service

Characteristics of horizontal (condensing) oil (gas) steam boilers

1. Adopting a wet back triple return structure with symmetrical center arrangement can improve the stress distribution of the tube plate. The wet backed combustion chamber is completely immersed in water and has good cooling conditions. The design of a large combustion chamber is conducive to the spread of flames and sufficient combustion. The tube plates of the combustion chamber are all connected at the edges, with a stable structure and long service life.

2. The application of corrugated furnace liner not only increases the heating surface but also alleviates the damage that thermal expansion and contraction may cause to the combustion chamber, thereby improving its strength. Complete combustion of the large furnace boring volume, fully saving fuel.

3. The front smoke box adopts a hinged connection, double-layer sealing and easy opening. Adopting lightweight and high-quality sealed insulation materials, it provides smoke and heat insulation, which not only reduces the temperature of the front and rear panels but also improves thermal efficiency.

4. The large steam space reduces the speed of steam leaving the water surface, and is equipped with a steam water separation device to ensure high-quality steam output at high temperatures.

5. The use of threaded smoke pipes enhances heat transfer efficiency and improves thermal efficiency.

6. A mixing device is installed at the inlet of the boiler feed water. The low-temperature feed water first flushes the smoke tube bundle, and then comes into contact with high-temperature parts such as the furnace chamber and fire box after the feed water temperature rises, effectively avoiding the occurrence of local subcooling boiling phenomenon and ensuring the safety performance of the boiler.

7. By applying advanced digital control technology, the combustion process can be remotely and accurately monitored. The strong current part of the control cabinet adopts domestic and foreign famous electrical appliances, with reliable quality; The controller adopts LCD or touch screen controller, with high degree of automation, easy operation, automatic control of combustion, water level, pressure, leak detection alarm, overpressure, overtemperature, water shortage protection and other interlocking protection functions.

8. Install a condenser heat exchanger at the smoke outlet, made of ND corrosion-resistant steel material, which has fast thermal conductivity and durability. The heat exchange tube adopts spiral fins to enhance the absorption of wet heat and latent heat in the flue gas, reduce the exhaust gas temperature, and improve the efficiency of the boiler (reaching over 95%).

Characteristics of horizontal fuel (gas) pressure hot water boiler

1. Adopting a horizontal wet back three return structure with a symmetrical center arrangement can improve the stress distribution of the tube sheet. The wet back structure combustion chamber and smoke pipe are completely immersed in water, with good cooling conditions. The design of a large combustion chamber is conducive to the spread of flames and sufficient combustion. The tube plates of the combustion chamber are all butt jointed, with a stable structure and long service life.

2. The application of corrugated furnace liner not only increases the heating surface but also alleviates the damage that thermal expansion and contraction may cause to the combustion cha

3. The use of threaded smoke pipes enhances heat transfer efficiency and improves thermal efficiency.

4. The boiler return water equipment is equipped with a guide device, which guides the return water to flush the high-temperature parts of the boiler, such as the furnace chamber and the fire box. This not only enhances heat transfer but also effectively avoids the occurrence of local subcooling boiling phenomenon, ensuring the safety performance of the boiler.

5. By applying advanced digital control technology, the combustion process can be remotely and accurately monitored. The strong current part of the control cabinet adopts domestic and foreign famous electrical appliances, with reliable quality; The controller adopts LCD or touch screen controller, with high degree of automation, easy control, automatic control of combustion, water level, temperature, leak detection alarm, overpressure, overtemperature, water shortage protection and other interlocking guarantee functions.

6. Install a condensing heat exchanger at the smoke outlet, and use spiral fins to enhance the absorption of sensible and latent heat in the flue gas, reducing the exhaust temperature and improving the efficiency of the boiler (reaching over 95%).

Horizontal (condensing) fuel (gas) atmospheric hot water boiler

1. Adopting a horizontal internal combustion wet back flue gas three-way structure, the structure is reasonable and compact.

2. The boiler adopts waveform furnace liner and threaded smoke tube to enhance heat transfer effect and improve thermal efficiency.

3. The front and rear detachable smoke box doors facilitate boiler maintenance and repair.

4. By setting the start stop temperature of the combustion engine and circulating water pump, the control system automatically operates according to the set conditions, while displaying the system operating conditions and the temperature of the inlet and outlet water. Display alarm information when a malfunction occurs.

5. Manual operation allows direct operation of the circulating water pump and burner in manual mode. When a malfunction occurs, corresponding instructions are given to refuse manual operation and ensure system safety.

6. By applying advanced digital control technology, the combustion process can be remotely and accurately monitored. The strong current part of the control cabinet adopts domestic and foreign famous electrical appliances, with reliable quality; The controller adopts LCD or touch screen controller, with high degree of automation, easy operation, automatic control of combustion, water level, temperature, leak detection alarm, overpressure, overtemperature, water shortage protection and other interlocking guarantees, as well as anti freezing and timing functions. Chinese and graphic display system operating conditions, online operation guide, and fault self diagnosis for the control part. Fully automatic operation with manual operation allows for one use and one backup, enabling human-machine dialogue.

7. A condensation heat exchanger can be added to the exhaust outlet to reduce the exhaust temperature and absorb sensible and latent heat in the flue gas, thereby improving the efficiency of the boiler (reaching over 95%).

Characteristics of oil (gas) indirect heating hot water boiler

1. The Quanxin indirect heating hot water boiler adopts a horizontal three pass wet back structure with a symmetrical center arrangement, which can improve the stress distribution of the plate and tube. The wet back structure combustion chamber and smoke box tube are completely immersed in water, with good cooling conditions. The design of a large combustion chamber is conducive to the spread of combustion flames and sufficient combustion.

2. The lower part of the main body, like a regular hot water boiler, consists of a combustion chamber and heat transfer tubes; The upper part is equipped with a heat exchanger, and the upper part of the furnace is equipped with an expansion water tank with automatic water level control.

3. The boiler operates safely and reliably under normal pressure as a whole; The heat medium water in the furnace does not enter or exit during operation, and transfers heat to the heat exchanger inside the boiler. The heat medium water is completely removed from oxygen and softened by heating, without corrosion or scale, making its service life about twice as long as ordinary boilers, up to 20 years.

4. Built in specially treated stainless steel or copper heat exchanger, with good heat transfer effect and fast heating.

5. The unit has a compact structure, easy transportation and installation, saves land occupation, eliminates the design and construction of heat exchange stations, and saves engineering costs.

6. By applying advanced digital control technology, the combustion process can be remotely and accurately monitored. The strong current part of the control cabinet adopts domestic and foreign famous electrical appliances, with reliable quality; The controller adopts LCD or touch screen controller, with high degree of automation, easy control, automatic control of combustion, water level, temperature, leak detection alarm, overpressure, overtemperature, water shortage protection and other interlocking guarantee functions.

7. Install a condensing heat exchanger at the smoke outlet, and use spiral fins to enhance the absorption of sensible and latent heat in the flue gas, reducing the exhaust temperature and improving the efficiency of the boiler (reaching over 95%).

Characteristics of fuel (gas) vacuum hot water boiler

1. A vacuum boiler operates under vacuum negative pressure and is equipped with a mechanical overpressure rupture port on the furnace body, making it a truly non explosive boiler with excellent safety.

2. The Quanxin vacuum furnace body adopts a horizontal three pass wet back structure with a symmetrical center arrangement, which can improve the stress distribution of the tube plate. The wet back structure combustion chamber and smoke pipe are completely immersed in water, with good cooling conditions. The design of a large combustion chamber is conducive to the spread of combustion flames and sufficient combustion.

3. Operating in a vacuum state, with a low boiling point and latent heat of vaporization (condensation) for heat exchange, effectively improving thermal efficiency.

4. There is a constant amount of heat medium water stored in the furnace, and the injected heat medium water operates in a closed state without corrosion or scaling, making its service life about twice as long as ordinary boilers, up to 20 years.

5. Built in specially treated stainless steel or copper heat exchangers, assembled with flanges for easy maintenance; Good heat exchange effect and fast heating.

6. The heat exchanger is separated from the header, and the heating water and hot water are supplied separately to meet the different needs of users for heating water and clean hot water.

7. Heat exchange is carried out in the boiler furnace with high efficiency. The overall design is scientific, reasonable, compact, and saves 50-70% of the floor area.

8. Users do not need to undergo annual inspection and approval according to boiler pressure vessel standards, saving costs.

9. By applying advanced digital control technology, the operation process can be remotely and accurately monitored. The controller adopts LCD or touch screen controller, with high degree of automation, easy operation, automatic control of heating, water level, pressure, overpressure, water shortage protection and other interlocking protection functions. Chinese and graphic display system operating conditions, online operation guide, and fault self diagnosis for the control part. Fully automatic operation with manual operation allows for one use and one backup, enabling human-machine dialogue.

Product characteristics of low nitrogen high-efficiency condensing hot water boiler

Quanxin brand low nitrogen high-efficiency condensing hot water boiler is a steel gas atmospheric pressure hot water boiler independently developed by the company. It has the characteristics of ultra-low nitrogen emissions (NOx<30mg/m3), high condensing efficiency (102%), and modular combination application. All indicators of the entire series of products can meet the requirements of relevant national energy-saving and environmental protection policies, with high cost-effectiveness, making it an ideal low nitrogen transformation application product. The product is manufactured with a small footprint, simple operation, easy use and maintenance, and has no special requirements for the water quality of the hot water system. The ordinary open circuit system can provide direct supply without the need for a secondary system, and the load regulation combustion can provide on-demand heating. It can achieve climate compensation control, linkage control, remote monitoring and other functions.

The steel furnace body adopts advanced fast cooling technology design and a large furnace multi pass structure, effectively suppressing the generation of NOx during the combustion process. It can achieve stable low nitrogen emissions without relying on complex low nitrogen combustion technologies such as flue gas recirculation or surface combustion; The stainless steel condenser, which is resistant to low-temperature corrosion, adopts a labyrinth arrangement of fully finned heat exchange tubes to increase flue gas disturbance and improve heat transfer efficiency. It utilizes full flow low-temperature return water to absorb sensible heat and latent heat of water vapor condensation in the flue gas to the maximum extent, truly achieving the goals of low nitrogen efficiency, energy conservation and environmental protection. It also has the advantages of simple operation, strong anti-interference ability, convenient maintenance, stable operation, and high service life.

Characteristics description of low nitrogen high-efficiency condensing hot water boiler

Design: Unique fast cooling technology design, integrated furnace body and condenser, small footprint, large heating surface, fast heating, simple system, modular combination to meet high load heating needs.

Manufacturing: Strictly control the quality of the production and manufacturing process according to the requirements of the quality assurance system, and create energy-saving products with ultra-low nitrogen emissions and high condensation efficiency for users through sixteen precision processes.

Safety: Normal pressure operation, safe and reliable. Equipped with high-quality controllers with strong anti-interference ability, capable of long-term operation in harsh environments; Simple operation, high degree of automation, automatic shutdown alarm in case of abnormal operation, indicating the cause of the fault, and convenient maintenance; It has automatic control of combustion, temperature, and water level, as well as safety interlock alarm functions for water shortage and overheating.

Low nitrogen: Equipped with a well-known brand gas burner with a national institution issued type test certificate, nitrogen oxide emissions NOx<30mg/m3, automatic load adjustment combustion, safe and reliable.

Energy saving: The condenser is made of corrosion-resistant stainless steel material, with fully finned steel aluminum heat exchange tubes to enhance heat transfer. It utilizes full flow low-temperature return water to maximize the absorption of flue gas waste heat, improve boiler operating efficiency, and achieve energy-saving goals; The condensed water generated in the condenser is discharged separately and will not corrode the furnace body, ensuring its service life.

Service: The company has a professional technical service department and distribution and service outlets throughout the country. It has a team of experienced technical service engineers who provide 24/7 service to customers.

Characteristics of fully premixed ultra-low nitrogen condensing module hot water boiler

Quanxin brand fully premixed ultra-low nitrogen condensing module hot water boiler is a steel gas atmospheric hot water boiler independently developed by the company. It has the characteristics of ultra-low nitrogen emissions (NOx<30mg/m3), high condensing efficiency (102%), and modular combination application. All indicators of the entire series of products can meet the requirements of relevant national energy-saving and environmental protection policies, with high cost-effectiveness, making it an ideal low nitrogen transformation application product. The product is manufactured with a small footprint, simple operation, easy use and maintenance, and has no special requirements for the water quality of the boiler system. The ordinary open circuit system can provide direct supply without the need for a secondary system, and proportional combustion can provide on-demand heating. It can achieve climate compensation control, linkage control, remote monitoring and other functions.

The steel furnace body adopts a large furnace three pass structure, which absorbs quickly; The stainless steel condenser, which is resistant to low-temperature corrosion, adopts a labyrinth arrangement of fully finned heat exchange tubes to increase flue gas disturbance and improve heat transfer efficiency. It utilizes full flow low-temperature return water to absorb sensible heat and latent heat of water vapor condensation in the flue gas to the maximum extent, achieving the goal of efficient, energy-saving and environmentally friendly condensation, and has a long service life.

Characteristics of fully premixed ultra-low nitrogen condensing module hot water boiler

Design: Unique structural design, integrated furnace body and condenser, large heating surface, fast heating, simple system, modular combination to meet high load heating needs.

Manufacturing: Strictly control the quality of the production and manufacturing process according to the requirements of the quality assurance system, and create energy-saving products with ultra-low nitrogen emissions and high condensation efficiency for users through sixteen precision processes.

Safety: The boiler operates at normal pressure, ensuring safety and reliability. Equipped with high-quality boiler controllers with strong anti-interference ability, capable of long-term operation in harsh environments; Simple operation, high degree of automation, automatic shutdown alarm in case of abnormal operation, indicating the cause of the fault, and convenient maintenance; It has automatic control of combustion, temperature, and water level, as well as safety interlock alarm functions for water shortage and overheating.

Low nitrogen: Equipped with a well-known brand fully premixed ultra-low nitrogen gas burner with a national institution issued type test certificate, nitrogen oxide emissions NOx<30mg/m3, proportional combustion, safe and reliable.

Energy saving: The condenser is made of corrosion-resistant stainless steel material, with fully finned steel aluminum heat exchange tubes to enhance heat transfer. It uses full flow low-temperature return water to absorb the waste heat of the flue gas to the maximum extent and produces condensate water that is discharged separately in the condenser, without causing corrosion to the furnace body, ensuring its service life.

Service: The company has a professional technical service department and distribution and service outlets throughout the country. It has a team of experienced technical service engineers who provide 24/7 service to customers.

Product characteristics of low nitrogen high-efficiency condensing vacuum hot water boiler

Design: Unique fast cooling technology design, integrated furnace body and condenser, small footprint, large heating surface, fast heating, simple system, modular combination to meet high load heating needs.

Manufacturing: Strictly control the quality of the production and manufacturing process according to the requirements of the quality assurance system, and create energy-saving products with ultra-low nitrogen emissions and high condensation efficiency for users through sixteen precision processes.

Safety: Normal pressure operation, safe and reliable. Equipped with high-quality controllers with strong anti-interference ability, capable of long-term operation in harsh environments; Simple operation, high degree of automation, automatic shutdown alarm in case of abnormal operation, indicating the cause of the fault, and convenient maintenance; It has automatic control of combustion, temperature, and water level, as well as safety interlock alarm functions for water shortage and overheating.

Low nitrogen: Equipped with a well-known brand gas burner with a national institution issued type test certificate, nitrogen oxide emissions NOx<30mg/m3, automatic load adjustment combustion, safe and reliable.

Energy saving: The condenser is made of corrosion-resistant stainless steel material, with fully finned steel aluminum heat exchange tubes to enhance heat transfer. It utilizes full flow low-temperature return water to maximize the absorption of flue gas waste heat, improve boiler operating efficiency, and achieve energy-saving goals; The condensed water generated in the condenser is discharged separately and will not corrode the furnace body, ensuring its service life.

Service: The company has a professional technical service department and distribution and service outlets throughout the country. It has a team of experienced technical service engineers who are available 24/7 to serve customers.