Category Archive Industry information

Where are aluminum alloy condensing heat exchangers used

Aluminum alloy condensing heat exchangers are mainly used in the following fields:

Gas wall mounted boiler: Aluminum alloy condensing heat exchanger is an important component of gas wall mounted boiler. It utilizes the heat generated by the condensation of water vapor in the exhaust gas generated by gas combustion to improve the thermal efficiency of gas wall mounted boiler.

Heat pump: Aluminum alloy condensing heat exchanger is an important component of heat pump, which utilizes the heat generated by refrigerant evaporation and condensation in the heat pump system for heating or cooling.

Industrial boiler: Aluminum alloy condensing heat exchanger is an important component of industrial boiler, which utilizes the heat generated by the condensation of water vapor in the high-temperature exhaust gas of industrial boiler to improve the thermal efficiency of industrial boiler.

Air source heat pump: Aluminum alloy condensing heat exchanger is an important component of air source heat pump, which utilizes the heat generated by the condensation of water vapor in the air for heating or cooling.

Water source heat pump: Aluminum alloy condensing heat exchanger is an important component of water source heat pump, which utilizes the heat generated by the condensation of water vapor in water for heating or cooling.

Aluminum alloy condensing heat exchangers have the following advantages:

High thermal efficiency: Aluminum alloys have high thermal conductivity, which can effectively improve heat exchange efficiency.

Good corrosion resistance: Aluminum alloy has good corrosion resistance and can resist corrosive media in gas wall mounted boilers, heat pumps, and other systems.

Lightweight: Aluminum alloy has a low density, which can reduce the weight of heat exchangers.

Therefore, aluminum alloy condensing heat exchangers have broad application prospects in the above-mentioned fields.

Plate heat exchanger automated assembly line

The automated production line for plate heat exchangers is an important component of the industrial refrigeration field. In the past, there were a large number of manual operations and tedious word testing work in the production process. However, with the introduction of intelligent technology, this traditional production line is showing new vitality. Automated production lines not only reduce manual labor intensity, but also greatly improve production efficiency and product quality. Through the application of intelligent control systems, the performance and stability of refrigeration equipment have been significantly improved.
Faced with increasingly fierce market competition, automated medium voltage production lines are also constantly exploring the path of intelligent development. There are many problems with manual stamping production lines, such as low production efficiency and difficulty in ensuring quality. The emergence of automated medium voltage production lines has completely changed the traditional production mode. Through the accurate positioning and high-speed stamping of intelligent robots, production efficiency has been greatly improved. At the same time, the application of automation control systems effectively ensures the dimensional accuracy and consistency of products, improving product quality and customer satisfaction.
Intelligent re evolution is the optimization and improvement of traditional automated production lines. Although traditional automated production lines can complete certain tasks, they have certain limitations for complex and changing production environments and demands. However, intelligent re evolution fundamentally improves the flexibility and adaptability of production lines by introducing technologies such as artificial intelligence and big data analysis. For example, intelligent stamping production lines can automatically adjust process parameters and mold configurations by learning and analyzing historical data, achieving rapid switching and production for different products.
The re evolution of intelligence is not achieved overnight. In practical applications, we still face a series of challenges and difficulties. Firstly, the research and development of intelligent devices and departmental monitoring require high investment, which is a significant challenge for individuals. Secondly, the application of intelligent technology involves issues such as data security and privacy protection, requiring reasonable solutions. At the same time, the reliability and stability of intelligent devices also need to be continuously improved to ensure the safety and controllability of the production process.

Plate heat exchanger automated assembly line

Calculation method for waste heat recovery from exhaust gas

There are two main approaches to calculate the potential for waste heat recovery from exhaust gas:

1. Thermodynamic Approach:

This method uses the principles of thermodynamics to determine the theoretical maximum amount of heat that can be recovered. Here's what you need to consider:

  • Mass flow rate (ṁ) of the exhaust gas (kg/s) - This can be obtained from engine specifications or measured with a flow meter.
  • Specific heat capacity (Cp) of the exhaust gas (kJ/kg⋅K) - This value varies with temperature and needs to be obtained from tables or thermodynamic software for the specific gas composition of your exhaust.
  • Inlet temperature (T_in) of the exhaust gas (°C) - Measured with a temperature sensor.
  • Outlet temperature (T_out) of the exhaust gas after heat recovery (°C) - This is the desired temperature after heat is removed for your chosen application (e.g., preheating combustion air, generating hot water).

Heat recovery potential (Q) can be calculated using the following formula:

Q = ṁ * Cp * (T_in - T_out)

2. Simplified Approach:

This method provides a rough estimate and is easier to use for initial assessments. It assumes a specific percentage of the exhaust gas energy can be recovered. This percentage can vary depending on the engine type, operating conditions, and the chosen heat exchanger efficiency.

Estimated heat recovery (Q) can be calculated with:

Q = Exhaust gas energy content * Recovery factor

Exhaust gas energy content can be estimated by:

Exhaust gas energy content = Mass flow rate * Lower heating value (LHV) of the fuel

Lower heating value (LHV) is the amount of heat released during combustion when the water vapor formed condenses (available from fuel specifications).

Recovery factor is a percentage typically ranging from 20% to 50% depending on the engine type, operating conditions, and the chosen heat exchanger efficiency.

Important Notes:

  • These calculations provide theoretical or estimated values. The actual heat recovery may be lower due to factors like heat exchanger inefficiencies and piping losses.
  • The chosen outlet temperature (T_out) in the thermodynamic approach needs to be realistic based on the application and limitations of the heat exchanger.
  • Safety considerations are crucial when dealing with hot exhaust gases. Always consult with a qualified engineer for designing and implementing a waste heat recovery system.

Additional factors to consider:

  • Condensation: If the exhaust gas temperature drops below the dew point, water vapor will condense. This can release additional latent heat but requires proper condensate management.
  • Fouling: Exhaust gas can contain contaminants that can foul heat exchanger surfaces, reducing efficiency. Regular cleaning or choosing appropriate materials may be necessary.

By understanding these methods and factors, you can calculate the potential for waste heat recovery from exhaust gas and assess its feasibility for your specific application.

stainless steel cooling tower fill

  Stainless steel is a specific type of metal used for cooling tower fill.
  Stainless steel cooling tower fillis used in special applications where extreme temperatures or flammability concerns restrict the use of plastic materials.They are also preferred in environments with harsh chemicals or high chlorination levels in the water.

  Here are some of the benefits of using stainless steel cooling tower fill:
  Durability:Stainless steel is highly resistant to corrosion and wear,making it a long-lasting option for cooling towers.
  High-temperature resistance:Stainless steel can withstand high water temperatures,making it suitable for use in industrial applications.
  Fire resistance:Stainless steel is non-combustible,which is important for facilities with fire safety concerns.
  Chemical resistance:Stainless steel is resistant to many chemicals,making it suitable for use in harsh environments.
  However,there are also some drawbacks to using stainless steel cooling tower fill:
  Cost:Stainless steel is more expensive than other materials commonly used for cooling tower fill,such as PVC or polypropylene.
  Weight:Stainless steel is heavier than other materials,which can add to the overall weight of the cooling tower.
  Heat transfer:Stainless steel is not as good a conductor of heat as some other materials,which can slightly reduce the efficiency of the cooling tower.
  Overall,stainless steel cooling tower fill is a good option for applications where durability,high-temperature resistance,fire resistance,and chemical resistance are important.However,the higher cost and weight of stainless steel should be considered before making a decision.

An industrial heat recovery manufacturer from China

An industrial heat recovery manufacturer from China, focusing on the production of gas-to-gas plate heat exchangers, which are widely used in boiler flue gas waste heat recovery, food, tobacco, sludge, printing, washing, coating and drying waste gas waste heat recovery, data center indirect Evaporative cooling systems, water vapor condensation and whitening, large-scale breeding energy-saving ventilation and other fields can meet the needs of different customers. Welcome to write to us for consultation. Contact kuns913@gmail.com, WhatsApp: +8615753355505

Rotary/Wheel Energy Recovery Heat Exchanger

There are two types of rotary energy recovery heat exchangers:full heat type and sensible heat type.As a heat storage core,the fresh air passes through a semicircle of the wheel,while the exhaust air passes through another semicircle of the wheel,and the fresh air and exhaust air pass through the wheel alternately in this way.
in winter,the wheel regenerative body absorbs heat from the exhaust(wet),when moved to fresh air side,due to reasons of the poor temperature(wet),regenerative core body would release quantity of heat(wet),when to exhaust side,and continue to absorb the heat in exhaust quantity(wet).The energy recovery is achieved by such a repeated cycle,and the working principle is shown in the figure.During the summer cooling operation,the process is reversed.
When the full heat wheel runs,water molecules in the air are absorbed into the molecular sieve coating on the surface of the honeycomb,and when they are transferred to the other side,they are released due to the pressure difference between the water molecules.

The all-heat type runner USES the fresh air to exchange sensible heat and latent heat,so as to save energy and keep good ventilation in the room.The fresh air can be pre-cooled and dehumidified in summer and preheated and humidified in winter.

Rotary Heat Exchanger

Air to Air Total Plate Heat Exchanger-BQC series

Structural characteristics of
·BQC type all-heat exchanger adopts cross countercurrent structure,with air partially cross flow and partially relative reverse flow.The new exhaust air is completely separated to avoid any transfer of odor and moisture;
·The all-heat exchanger USES ABS plastic frame,which is beautiful,has high strength,is not easy to be damaged,has a long service life,is environmentally friendly and has good sealing,which ensures the structural strength and tightness of the heat exchanger,and reduces the mixing of new exhaust air;
·The full heat exchange paper is made of imported non-porous film paper(ER paper)and processed by a special process.It is characterized by good air tightness,high heat transfer efficiency,tear resistance,aging resistance,corrosion resistance and antibacterial;
·All connections of the heat exchanger chip are sealed with sealant to ensure air tightness of the heat exchanger;
·It can be cleaned by vacuum cleaner and compressed air,easy to use and simple to maintain;
·Heat exchangers of various specifications and sizes can be developed according to user requirements.

Application and application mode
·AC Ventilation System
·Room Ventilation System
·Industrial Ventilation System
·Heat Pump Drying System
·Indirect Evaporative Cooling System
·Large-scale Scientific Breeding Bystem
·Purify Air Conditioning Fresh Air System
·Wind Generator Air to Air Indirect Cooling System
·Heat Recovery in Winter
·Cold Recovery in Summer

Air to Air Total Plate Heat Exchanger-BQB series

Structural characteristics of
·All-heat exchanger is formed by overlapping,bonding and processing of mutually perpendicular air channel corrugated and all-heat exchange paper.·The air passage for fresh air and exhaust air is a 90°vertical cross flow structure.The air passage is simple and smooth.
·There are two kinds of materials for the air channel to choose from.The A series adopts PVC,which is anti-aging,not easy to get dirt and breed bacteria and microbes.The spacing between the plates is 2.0mm~5.5mm.
·Series B adopts high-strength anticorrosive and flame-retardant corrugated paper with large contact area with heat transfer paper,which greatly improves the heat exchange efficiency.The plate spacing is available for choice of 2.0mm,3.0mm,4.0mm and 5.0mm.
·The full heat exchange paper is made of imported non-porous film paper(ER paper)and processed by a special process.It is characterized by good air tightness,high heat transfer efficiency,tear resistance,aging resistance,mildew resistance and antibacterial properties.
·Automatic production line is adopted to ensure the consistency of heat exchange sheet shape and surface flatness.·The size of the structure is not limited.Our company can process any square or rectangular section and any length of heat exchange core according to customer requirements.
·It can be cleaned by vacuum cleaner and compressed air,easy to use and easy to maintain.
application
·AC Ventilation System
·Room Ventilation System
·Industrial Ventilation System
·Heat Pump Drying System
·Indirect Evaporative Cooling System
·Large-scale Scientific Breeding Bystem
·Purify Air Conditioning Fresh Air System
·Wind Generator Air to Air Indirect Cooling System
·Heat Recovery in Winter
·Cold Recovery in Summer

Air to Air Total Plate Heat Exchanger-BQL series

Structural characteristics of
·The new exhaust air of BQL all-heat exchanger crosses and reversely flows at a certain Angle,with long flow passage,sufficient heat exchange and high heat exchange efficiency;·Diamond-shaped structure can effectively reduce the height of equipment and save installation space;
·The full heat exchange paper is made of imported non-porous film paper(ER paper)and processed by a special process.It is characterized by good air tightness,high heat transfer efficiency,tear resistance,aging resistance,corrosion resistance and antibacterial;
·Special adhesive coating process is adopted to ensure the air tightness of the heat exchanger and effectively avoid cross-contamination of new exhaust air;
·It can be cleaned by vacuum cleaner and compressed air,easy to use and easy to maintain;
·Different plate spacing(2.0mm,3.0mm,4.0mm,5.0mm)and any combination length;
·The structure size is not limited,and can be customized according to user requirements;

Application and application mode
·AC Ventilation System
·Room Ventilation System
·Industrial Ventilation System
·Heat Pump Drying System
·Indirect Evaporative Cooling System
·Large-scale Scientific Breeding Bystem
·Purify Air Conditioning Fresh Air System
·Wind Generator Air to Air Indirect Cooling System
·Heat Recovery in Winter
·Cold Recovery in Summer

Air to Air Sensible Plate Heat Exchanger-BXB series

Structural characteristics of
·BXB sensible heat exchanger can be made of seawater corrosion resistant hydrophilic aluminum plate,epoxy resin aluminum plate or stainless steel plate;
·The heat transfer surface of the heat exchanger was strengthened by heat transfer stamping,and the heat transfer area was increased by 10%-12%;
·The heat exchange sheet adopts enhanced punching and biting technology,with higher strength,better sealing,and air leakage rate less than 1%;
·The air passage is supported by a conductor convex cylinder with a high pressure difference capacity of 2500Pa for new exhaust;
·The normal service temperature of ordinary aluminum foil is not higher than 100℃;the temperature resistance of special sealing material can be up to 200℃;the temperature resistance of stainless steel can be 350℃;
·Tap water or neutral washing liquid can be used for direct cleaning,which is easy to use and easy to maintain;
·Different plate spacing(2.0mm-10.0mm)and any combination length can be provided.

application
·AC Ventilation System
·Room Ventilation System
·Industrial Ventilation System
·Heat Pump Drying System
·Indirect Evaporative Cooling System
·Large-scale Scientific Breeding Bystem
·Purify Air Conditioning Fresh Air System
·Wind Generator Air to Air Indirect Cooling System
·Heat Recovery in Winter
·Cold Recovery in Summer

Need Help?
en_USEnglish