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Evaporator & Condenser Manufacturers

Kaidi Company's Evaporator and Condenser used in various industrial and commercial refrigeration fields, providing heat exchangers with different airflow types according to specific application scenarios.

Zhejiang Kaidi Refrigeration Equipment Co., Ltd

  • 30+

    Years Industry Experience

  • 300+

    Employees

  • 1000Million

    Export Amount

  • 100000+

    Plant Area

Zhejiang Kaidi Refrigeration Equipment Co., Ltd. was founded in 1995, with “Kaidi” as our registered trademark. As one of the professional Evaporator & Condenser Manufacturers and China Evaporator & Condenser Factory, we have been focusing on refrigeration for nearly 30 years. Today, Kaidi has developed into a scientific and technological enterprise integrating scientific research and development, processing and manufacturing, pre-sales program design, product sales and commissioning, and comprehensive after-sales service support. Headquartered in Shengzhou City, Zhejiang Province, our factory covers an area of 100,000 square metres, with more than 60,000 square metres of modern factory buildings and more than 8,000 square metres of offices, as well as Shanghai Hongqiao Office (R&D Centre), Guangzhou Panyu Office, Beijing Branch and so on.

After years of development, we have the management team of a top 500 enterprise and a standardised and efficient operation system, as well as strong technical research and development strength. The factory is equipped with complete and advanced CNC machining equipment and high-standard testing laboratory, with strong product development and lean processing and manufacturing capabilities; the establishment of a professional pre-sales technical support, after-sales service guarantee system, we not only research and development and production of advanced refrigeration equipment, but also the overall solution provider for high-quality customers to provide first-class products and services to ensure that our purpose and goal.

Our sales and service network not only spreads all over the country, but also develops rapidly in the world in the past few years, ‘Kaideli’ brand refrigeration products have a high reputation both at home and abroad, and have won the praise and recognition of our customers. At present, our customers include: cold chain logistics enterprises such as GLP, Shunfeng, Jingdong, Yaleng, Kai Orange, etc.; food processing enterprises such as Wufeng, Holliday, Ligao, Qingmei, Zuming, Anjing, Sienian, etc., central kitchens such as Makgindi, Lvcheng, Ajisai, etc.; slaughter enterprises such as Winsome, Xinning, etc.; edible fungi factory planting enterprises such as Xiangru Biological, Guiwang, Huaguang, Zongxing Mushroom, Lisa, etc., as well as Shanghai Pharmaceuticals, China Medicine Group, and so on. Group and so on.

HONOR & CERTIFICATE

Since the establishment of the company has passed the IS09001 quality management system certification, ISO4001 environmental management system certification, ISO45001 occupational health and safety system certification; obtained the industrial products production licence and the People's Republic of China special equipment manufacturing licence and so on.

  • Certificate of conformity for evaluation of test devices
  • Special Equipment Manufacturing License
  • Edible Mushroom Enterprise Manufacturing Star
  • Excellent Unit Member of China Institute of Refrigeration
  • 2023 Guangxi Refrigeration Society Refrigeration and Cold Storage Specialized Committee
  • Science and Technology Achievement Appraisal Certificate
  • Science and Technology Achievement Appraisal Certificate
  • Science and Technology Achievement Appraisal Certificate
  • Science and Technology Achievement Appraisal Certificate
  • Science and Technology Achievement Appraisal Certificate
  • Science and Technology Achievement Appraisal Certificate
  • Science and Technology Achievement Appraisal Certificate
  • Science and Technology Achievement Appraisal Certificate
  • Science and Technology Achievement Appraisal Certificate
  • Science and Technology Achievement Appraisal Certificate
  • Science and Technology Achievement Appraisal Certificate
  • Science and Technology Achievement Appraisal Certificate
  • Computer Software Copyright Registration Certificate
  • Computer Software Copyright Registration Certificate
  • Computer Software Copyright Registration Certificate
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Industry knowledge
Evaporator and Condenser are core components of refrigeration systems, widely applied in various industrial and commercial refrigeration fields. Zhejiang Kaidi Refrigeration Equipment Co., Ltd (founded in 1995, brand "Kaidi") has focused on developing Evaporator and Condenser for nearly 30 years, providing customized heat exchangers with different airflow types according to specific application scenarios. These products realize efficient heat transfer through standardized thermodynamic cycles, supporting the stable operation of refrigeration systems in multiple industries, and have gained wide recognition from global customers including GLP, Shunfeng, and Shanghai Pharmaceuticals.

1. Working Principles of Evaporator and Condenser

1.1 Evaporator Principle

The evaporator is a low-pressure component in the refrigeration system. After throttling, low-temperature and low-pressure refrigerant liquid enters the evaporator and boils and evaporates inside it. It absorbs heat from the cooled medium (air, water, or other materials) during the evaporation process, converting into low-pressure saturated vapor, thereby reducing the temperature of the surrounding environment to achieve refrigeration effect. Kaidi's evaporator adopts precision CNC machining technology, ensuring uniform refrigerant distribution and efficient heat absorption.

1.2 Condenser Principle

The condenser is a high-pressure component that receives high-temperature and high-pressure refrigerant vapor discharged from the compressor. Through heat exchange with cooling media (air or water), the vapor releases heat and condenses into high-temperature and high-pressure liquid, which flows into the subsequent throttling device to complete the cycle. Kaidi's condenser is equipped with an optimized heat exchange structure, which can quickly discharge heat and maintain stable system operation even under high-load conditions.

2. Product Types & Application Cases

2.1 Main Types

Product Type Classification by Airflow/Heat Exchange Method Core Application Scenarios Kaidi Product Advantages
Evaporator Shell-and-tube type, plate type, air-cooled type Food processing, cold chain logistics, pharmaceutical refrigeration High heat exchange efficiency, corrosion-resistant material, adaptive to -35℃~5℃ working conditions
Condenser Air-cooled type, water-cooled type, evaporative type Chemical production, central kitchen, edible fungi planting Low energy consumption, easy operation, stable vacuum degree (up to -0.09MPa)

2.2 Typical Application Cases

  • Cold Chain Logistics: Kaidi's air-cooled evaporator and water-cooled condenser are used in Jingdong's intelligent cold storage. The evaporator maintains the warehouse temperature at -18℃~0℃, and the condenser realizes efficient heat dissipation, ensuring the freshness of frozen and refrigerated goods during storage and transportation.
  • Chemical Industry: For a PVC production enterprise's refrigeration system, Kaidi's evaporative condenser integrates two processes of steam condensation and circulating water cooling, reducing annual power consumption by over 1 million kWh while meeting the process requirements of 5℃ water cooling and -35℃ brine cooling.
  • Pharmaceutical Field: Cooperating with China Medicine Group, Kaidi's plate evaporator and air-cooled condenser are applied in the drug refrigeration and preservation system, with precise temperature control (error ≤±0.5℃) and compliance with GMP standards to ensure the stability of drug efficacy.

3. Detailed Comparison of Evaporator and Condenser

Comparison Dimension Evaporator Condenser
Core Function Absorbs heat, converts refrigerant from liquid to gas Releases heat, converts refrigerant from gas to liquid
Working Pressure Low-pressure environment High-pressure environment
Temperature Characteristics Low-temperature operation, consistent with refrigeration requirements High-temperature operation, needs rapid heat dissipation
Key Performance Indicators Heat absorption capacity, evaporation temperature stability Heat release efficiency, condensation pressure control
Kaidi Technical Upgrade Optimized tube bundle arrangement, reduced frost formation rate by 30% Integrated anti-scaling technology, extended cleaning cycle by 2 times

4. Maintenance Guidance

4.1 Daily Maintenance

  • Evaporator Maintenance: Regularly remove frost (each 1.5mm frost layer increases energy consumption by 10%), check the tightness of refrigerant pipelines, and ensure the inclination of horizontal pipelines is 1/200~1/250 to facilitate oil return. Kaidi provides special cleaning agents and professional maintenance tools to reduce maintenance difficulty.
  • Condenser Maintenance: Periodically clean scale (each 1.5mm scale layer increases energy consumption by 9.7%), discharge non-condensable gases in the system (to avoid 18% energy consumption increase), and inspect the operation status of fans and water pumps.

4.2 Professional Maintenance

  • Conduct comprehensive performance testing every 6 months, including heat exchange efficiency and pressure resistance detection, with Kaidi's after-sales team providing on-site testing services.
  • For pipeline maintenance, use nitrogen protection welding to avoid oxide scale generation, and the curvature radius of elbows should be more than 4 times the pipe diameter to reduce pressure loss.
  • When the equipment is shut down for a long time, discharge the refrigerant and circulating medium, and perform anti-corrosion treatment on the internal components to extend the service life.

5. Frequently Asked Questions (FAQ)

Q1: What factors affect the heat exchange efficiency of Evaporator and Condenser?
A1: The main influencing factors include the cleanliness of the heat exchange surface (frost, scale), the flow rate of the medium, and the tightness of the system. Kaidi's products adopt special surface treatment technology and precise flow control design to minimize the impact of these factors.
Q2: How to select the appropriate type of Evaporator and Condenser?
A2: It should be determined according to the working conditions (temperature, pressure), cooling/heating demand, and installation space. Kaidi's pre-sales technical team provides one-stop solution design, and customizes products based on the actual needs of customers in different industries.

Q3: What are the key criteria for matching Evaporator and Condenser with different refrigeration systems?
A3: The matching criteria mainly include refrigeration capacity, working pressure range, refrigerant type, and ambient temperature conditions. Zhejiang Kaidi Refrigeration Equipment Co., Ltd provides professional pre-sales programme design, and its technical team will select the most suitable model combination according to the actual parameters of the customer's refrigeration system, ensuring the optimal operation efficiency of the entire system.
Q4: How to reduce the energy consumption of Evaporator and Condenser during long-term operation?
A4: Energy consumption can be reduced through two core measures: first, maintain the cleanliness of the heat exchange surface to avoid frost and scale accumulation that affect heat transfer efficiency; second, adopt variable frequency control technology to adjust the operating load according to the actual demand. Kaidi's products are designed with optimized heat exchange structures and are compatible with variable frequency systems. Meanwhile, the after-sales team provides regular maintenance guidance to help customers achieve energy-saving operation.

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We focus on refrigeration for nearly 30 years.

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  • Zhejiang Kaidi Refrigeration Equipment Co., Ltd Block A, Ganlin Industry Park, Shengzhou, Zhejiang, China.
  • Zhejiang Kaidi Refrigeration Equipment Co., Ltdkd@zjkaideli.com
  • Zhejiang Kaidi Refrigeration Equipment Co., Ltd+86-0575-83272600
    +86-400-188-3366

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