Industry information - Page 3 - Industrial purification heat recovery

Fabricant ZiBo QiYu

ZIBO QIYU AIR CONDITIONNEMENT ÉQUIPEMENT DE RÉCUPÉRATION D'ÉNERGIE CO., LTD. Nous avons tous types d'échangeurs de chaleur air-air, tels que AHU, HRV, échangeurs de chaleur à tubes thermiques, échangeurs de chaleur rotatifs, serpentin de chauffage à vapeur, refroidisseur d'air de surface.

Tous ces produits peuvent être personnalisés, il vous suffit de me faire part de vos besoins, et nous disposons d'un logiciel de sélection de modèles professionnel, nous pouvons vous aider à choisir le modèle le plus adapté.

Si vous êtes intéressé par nos produits, vous pouvez consulter notre site Web pour obtenir de plus amples informations.

Site web:https://www.huanrexi.com

Application of Cross Flow Heat Exchanger in Indirect Evaporative Cooling System of Data Center

The application of cross flow heat exchangers in Indirect Evaporative Cooling (IDEC) systems in data centers is mainly reflected in efficient heat exchange, reducing energy consumption, and improving data center cooling efficiency. Here are its key roles and advantages:

Basic working principle
Cross flow heat exchanger is a type of heat exchange device whose structure allows two streams of air to cross each other while maintaining physical isolation. In indirect evaporative cooling systems in data centers, it is typically used for heat exchange between cooling air and outdoor ambient air without direct mixing.
The workflow is as follows:
The primary air (data center return air) exchanges heat with the secondary air (external ambient air) through one side of the heat exchanger.
The secondary air evaporates and cools in the humidification section, reducing its own temperature, and then absorbs heat in the heat exchanger to cool the primary air.
After the primary air is cooled down, it is sent back to the data center to cool down the IT equipment.
The secondary air is ultimately discharged outdoors without entering the interior of the data center, thus avoiding the risk of pollution.

Advantages in Data Centers
(1) Efficient and energy-saving, reducing cooling demand
Reduce cooling load: By using cross flow heat exchangers, data centers can utilize external air cooling instead of relying on traditional mechanical refrigeration (such as compressors).
Improve PUE (Power Usage Effectiveness): Reduce the operating time of mechanical cooling equipment, lower energy consumption, and make PUE values closer to the ideal state (below 1.2).
(2) Completely physically isolated to avoid contamination
Cross flow heat exchangers can ensure that outdoor air does not come into direct contact with the air inside the data center, avoiding pollution, dust, or humidity affecting IT equipment. They are suitable for data centers with high air quality requirements.
(3) Suitable for various climatic conditions
In dry or warm climates, indirect evaporative cooling systems are particularly effective and can significantly reduce the cooling costs of data centers.
Even in areas with high humidity, optimizing the design of heat exchangers can improve heat exchange efficiency.
(4) Reduce water resource consumption
Compared to direct evaporative cooling (DEC), indirect evaporative cooling does not require direct spraying of water into the air of the data center, but rather indirect cooling through a heat exchanger, thus reducing water loss.

Applicable scenarios
Cross flow heat exchangers are widely used in the following types of data centers:
Hyperscale Data Center: Requires efficient and energy-saving cooling solutions to reduce operating costs.
Cloud computing data center: requires high PUE values and seeks more sustainable cooling methods.
Edge Data Center: typically located in harsh environments, requiring efficient and low maintenance cooling systems.

Challenge and Optimization Plan
Heat exchanger size and efficiency: Larger cross flow heat exchangers can improve heat exchange efficiency, but they also increase the footprint, so optimization design is needed, such as using aluminum or composite material heat exchangers to improve heat exchange efficiency.
Scaling and maintenance: Due to humidity changes, heat exchangers may experience scaling issues, requiring regular cleaning and the use of corrosion-resistant coatings to extend their lifespan.
Control system optimization: Combined with intelligent control, dynamically adjust the working mode of the heat exchanger based on external environmental temperature, humidity, and data center load conditions to improve system adaptability.

Future Development Trends
New efficient heat exchange materials, such as nano coated heat exchangers, further improve heat exchange efficiency.
Combined with AI intelligent control system, dynamically adjust the heat exchange according to the real-time load of the data center.
Combining liquid cooling technology to further improve heat dissipation efficiency in high-density server rooms.

Cross flow heat exchangers play an important role in the indirect evaporative cooling system of data centers, providing efficient heat transfer, reducing energy consumption, minimizing pollution, and improving equipment reliability. They are currently one of the important technologies in the field of data center cooling, especially suitable for large-scale, high-efficiency data centers.

Ventilation commerciale et récupération d'énergie

　　Adequate indoor air quality(IAQ)involves many factors depending on the local situation and climate.Health issues like breathing problems can arise from air containing dust,pollen,or other contaminants.A poor indoor environment can also damage buildings.

　　Commercial(non-residential)air handling units tend to be larger units designed for buildings like offices,hotels,and airports.The challenge is to achieve a comfortable IAQ with as little energy input as possible.This means that pressure drop should be low(less fan power is needed)and thermal/humidity efficiency high(less energy consumed for heating/cooling/humidity control).

　　Depending on the geographical region,the primary purpose of the heat exchanger shifts between heating or cooling(and maybe also dehumidifying)the outdoor air before it enters the building.

　　The air handling unit(AHU)is at the center of a ventilation system.At a minimum,an AHU includes one or several fans in each air channel to move the air through the unit.Filters on either side remove dust,pollen,etc.,and protect the fans.Finally,a heat exchanger transfers the required heat or humidity from the exhaust air to the supply air.

　　Implementing an air-to-air heat exchanger is an excellent way to utilize what is usually considered waste heat.An air-to-air heat exchanger will use the temperature difference between the supply and exhaust air to increase the system’s efficiency.There are two types of air-to-air heat exchangers:rotary and plate heat exchangers.

　　The type and exact configuration depends on the application.Both types are made of aluminum,which has excellent properties such as efficient heat transfer capabilities and an extraordinarily long life span.We offers numerous design variables and options for each product,enabling perfect fit and performance in every AHU.

Refroidissement indirect dans les centres de données

Les centres de données modernes sont remarquablement complexes sur le plan technologique, et leur fonctionnement sûr et efficace nécessite une surveillance et une gestion étroites et continues.

Maintenir une température adéquate est l'une des tâches les plus importantes des gestionnaires de centres de données. Si la température et l'humidité atteignent des niveaux excessifs à l'intérieur du centre de données, de la condensation peut se former et endommager les machines. Cela peut entraîner des dommages et des perturbations considérables ; il faut donc l'éviter à tout prix. Heureusement, diverses technologies permettent de maintenir la température des centres de données à un niveau optimal.

Il existe de nombreuses façons de refroidir un centre de données. Le refroidissement indirect par air utilise l'air extérieur, mais grâce à un échangeur de chaleur air-air, l'air extérieur est maintenu dans une boucle séparée, assurant ainsi le refroidissement sans pénétrer dans la salle des serveurs.

Les méthodes de refroidissement indirect ont l'avantage de ne pas contaminer l'air intérieur par les polluants extérieurs et l'humidité. Un échangeur de chaleur sépare les deux flux d'air tout en transférant la chaleur de l'intérieur vers l'extérieur du centre de données. Ainsi, l'air ambiant et l'air intérieur ne se mélangent jamais.

Le refroidissement à sec est généralement suffisant si le centre de données est situé dans une zone où la température est constamment basse, ce qui signifie qu'il n'y a pas d'eau. Cependant, la pulvérisation d'eau côté air ambiant de l'échangeur de chaleur produit un effet d'évaporation, ce qui entraîne une baisse de la température de l'air intérieur. Cette méthode est appelée refroidissement par évaporation indirecte (IEC).

Idéalement adapté aux climats chauds et secs, l'IEC offre un excellent potentiel de refroidissement avec un faible coût d'exploitation et d'investissement initial. Des réductions de température ambiante de 6 à 8 °C (10 à 15 °F) sont généralement observées en été. L'IEC permet jusqu'à 281 TP3T d'économies d'énergie par rapport au free cooling classique et 521 TP3T par rapport aux alternatives free cooling à air.

Le refroidissement par évaporation nécessite un échangeur de chaleur à plaques alliant haute efficacité et faible perte de charge, offrant une solide protection contre la corrosion et une étanchéité fiable. Les échangeurs de chaleur à flux croisés répondent à toutes ces exigences tout en offrant une capacité de refroidissement exceptionnelle.

Nos échangeurs de chaleur à flux croisés, notamment dotés de la technologie de refroidissement par évaporation, offrent une alternative efficace, économique et respectueuse de l'environnement aux méthodes de refroidissement traditionnelles.

A rapid method for eliminating white smoke

The principle of using a condenser for dehumidification to eliminate white smoke is mainly based on the physical changes of water vapor in the flue gas. The condenser cools the flue gas with low-temperature water or air, gradually reducing its temperature, and the water vapor inside begins to condense into small water droplets. These small water droplets gather inside the condenser and eventually form liquid water, which is then removed through drainage pipes. Dehumidification through a condenser is an effective technical means to eliminate white smoke. It can not only reduce visual pollution, but also help improve the operational efficiency and energy-saving effect of environmental protection equipment. We can provide you with a suitable dehumidification solution for flue gas, which is both economical and environmentally friendly. Welcome to consult us via email.

Efficient equipment for removing industrial flue gas

Industrial flue gas desulfurization equipment with heat exchange technology to reduce the water vapor content in flue gas, thereby eliminating the white smoke plume generated during chimney emissions. The following are several common methods for flue gas whitening:

Flue gas heating technology: The desulfurized wet flue gas is heat exchanged with industrial high-temperature flue gas through a heat exchanger to increase the emission temperature of the flue gas, thereby reducing the relative humidity of the flue gas and avoiding the condensation of water vapor to form white smoke. This method can effectively reduce the generation of white smoke, but it requires a certain amount of energy to heat the smoke.

Flue gas condensation technology: First, partially condense the water vapor in the saturated flue gas, and then heat the flue gas. This method reduces the formation of white smoke by lowering the moisture content in the flue gas, while also recovering some water resources.

MGGH technology: Install flue gas cooling heat exchangers before and after electrostatic precipitator, install flue gas heating heat exchangers after desulfurization, and set up a heat medium water circulation system. This technology extracts the heat from the original smoke to heat the clean smoke, which usually needs to be raised to 75-80 ℃ to avoid the production of white smoke.

In summary, these methods each have their own advantages and disadvantages, and are suitable for different industrial environments and needs. When selecting specific flue gas desulfurization technologies, factors such as process conditions, waste heat resources, and investment requirements need to be considered. Welcome to consult us via email.

Smoke Scrubber :Efficient removal of white smoke with physical methods

The smoke scrubber condenses water vapor in the flue gas into liquid through a condenser, and gas pollutants adhere to the condensed liquid before being discharged through exhaust gas. This technology does not require a collector, but relies on the precipitated liquid to carry away pollutants, thereby reducing operating costs and minimizing the environmental pollution caused by white smoke.

The white smoke removal equipment produced by our company has a compact design layout, flexible installation, and easy operation, which can efficiently and quickly solve the white smoke generated in industrial production. Mainly used for desulfurization and whitening of flue gas from coal-fired boilers, gas-fired boilers, power plants, metallurgy and other industries.

Energy saving devices for heat dissipation in computer rooms

The heat exchange core of the computer room's heat dissipation energy-saving device is an efficient heat dissipation solution specifically designed for data centers or server rooms. By optimizing heat exchange efficiency, energy consumption can be reduced and system performance can be improved. The heat exchanger produced by our company uses hydrophilic aluminum foil as the heat exchange material, and the surface has been specially treated to have excellent hydrophilicity, which can promote the rapid formation and removal of condensed water. During the heat exchange process, the hydrophilic layer can effectively increase the heat exchange area and improve the heat exchange efficiency. Adopting a multi-layer microchannel design increases the contact area between the fluid and the metal wall, thereby improving the heat transfer efficiency. Greatly improved the energy efficiency ratio of data centers and reduced operating costs.

Heat recovery technology for air conditioning systems in shopping malls

Technologie de récupération de chaleur pour les systèmes de climatisation des centres commerciaux

In today's pursuit of high-quality shopping experience, we not only focus on the richness and diversity of products, but also care about the comfort and sustainability of the shopping environment.
The core of our company's air conditioning system heat recovery technology lies in the perfect combination of high-efficiency heat exchanger design and intelligent control system. It can efficiently collect the waste heat generated during the operation of air conditioning and convert it into valuable energy for winter heating, domestic hot water, and even pre cooling fresh air in shopping malls.
This process does not require additional energy consumption and can achieve internal energy recycling, significantly reducing the overall energy consumption cost of the mall. And it can automatically adjust the operating status and heat recovery intensity of the air conditioner. This means that whether it's scorching summer or cold winter, the mall can ensure constant temperature and humidity, providing customers with the most comfortable shopping environment while achieving the best energy-saving effect. Welcome to consult via email.

Energy saving scheme for heat recovery of central air conditioning system

Système d'économie d'énergie pour la récupération de chaleur du système de climatisation central

Pour les systèmes de climatisation centralisée, nous pouvons utiliser des échangeurs de chaleur à haut rendement pour des projets de rénovation écoénergétiques. Nous pouvons également choisir des échangeurs de chaleur à plaques ou à microcanaux offrant un transfert thermique efficace et une faible résistance aux fluides. Nos échangeurs offrent une surface de transfert thermique plus importante et une performance thermique plus efficace, ce qui permet de réduire la consommation d'énergie à conditions de transfert thermique identiques. L'installation d'un récupérateur de chaleur dans le système de climatisation centralisée permet de récupérer et de réutiliser la chaleur émise. Il est également possible de l'associer à une pompe à chaleur, un moyen efficace de transférer l'énergie thermique d'une source de chaleur basse température vers une source de chaleur haute température en consommant peu d'électricité ou de combustible. L'utilisation de la pompe à chaleur dans les systèmes de climatisation centralisée permet d'améliorer le coefficient de performance (COP) du système et de réduire la consommation d'énergie.

Récupération de chaleur d’épuration industrielle

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