NH3/CO2 Cascade Refrigeration System
1. NH3/CO2: The Principle of Cascade Refrigeration System
The NH3/CO2 cascade refrigeration system ingeniously combines a dual-stage configuration: a high-temperature stage utilizing NH3, and a low-temperature stage using CO2. In this seamless operation, NH3's evaporation at the high-temperature stage condenses the gaseous CO2 from the low-temperature stage. A specialized condensation evaporator acts as a bridge, facilitating the connection between these stages, serving as both the condenser for the low-temperature and the evaporator for the high-temperature stages.
In our innovative system, the CO2 refrigerant efficiently absorbs the heat load via the end evaporator, transferring it to the high-temperature NH3 through the condensing evaporator. Subsequently, the NH3 refrigerant channels this heat to the high-temperature condenser, releasing it safely into the environment using a cooling medium. Post-condensation, CO2 enters a reservoir, passes through a dryer filter and throttle valve, then proceeds to the CO2 evaporator via a circulation pump. This elegant cycle ensures a consistent return of two-phase CO2 to the gas-liquid separator, where the gaseous CO2 is compressed back into the condensing evaporator, perpetuating the cascade refrigeration cycle seamlessly.
In this sophisticated NH3/CO2 cascade refrigeration system, each stage functions autonomously with its own refrigerant. The high-temperature NH3 system mirrors conventional setups, encompassing a refrigeration compressor, condenser, liquid storage, gas-liquid separator, and throttling device. Meanwhile, the low-temperature CO2 system boasts components like a condensing evaporator, reservoir, gas-liquid separator, filter dryer, pump, throttling device, evaporator, and expansion vessel. This dual-structured approach optimizes each refrigerant's capabilities to deliver outstanding cooling performance.
The CO2 gas-liquid separator plays a crucial role in our advanced CO2 compression refrigeration system by effectively separating CO2 gas droplets from the evaporator, thus preventing wet strokes and ensuring stable liquid levels during pump operation. This separator can also function as a reservoir, accommodating all CO2 liquid during shutdown. An auxiliary evaporator atop the separator further safeguards by stabilizing CO2 pressure post-shutdown. Moreover, in the NH3/CO2 cascade system, the condensing evaporator doubles as both the NH3-side evaporator and CO2-side condenser, facilitating efficient heat absorption and condensation processes.
2. Advantages of the NH3/CO2 Cascade Refrigeration System
(1) Reduced NH3 Safety Concerns:
(1.(1)) Our NH3/CO2 cascade refrigeration system impressively minimizes the condensing pressure of NH3, achieving approximately 1/10th of the traditional NH3 system charge, significantly enhancing safety;
(1.(2)) NH3 is securely confined to machine and equipment rooms, analogous to a 'tiger' in a 'cage', vigilantly monitored by trained professionals;
(1.(3)) Effectively leverages NH3's excellent heat transfer properties in high-temperature regions, ensuring optimal CO2 cooling.
(2) CO2's Safe Integration: CO2 is strategically used in personnel-intensive operation rooms and warehouses, guaranteeing the utmost safety for individuals and assets.
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| Compressor type |
Piston, screw |
| Condensor |
enough condenser heat exchanger surface |
| Fan type |
Axial fan:High degree of protection, large Air flow, low noise |
| Unit kinds |
Open type, box type, side discharge type |
| Cooled type |
Air cooled |
| Refrigeration type |
R717;R507;R22;CO2 |
| Copper tube connector |
fitting reducer |
| Place to assemble |
Indoor/out door(concrete construction building/steel
construction building). |
| Voltage |
220V/50HZ, 220V/60HZ, 380V/50HZ etc |
| Controller |
Automatic electric controller, PLC |
| Warranty |
1 Year |
| Case material |
The galvanized sheet is coated with plastic powdered painted |
| Quality Assurance |
2.6Mpa leak-proof stress test |
| Package |
Plywood box and pallet |
As a leading manufacturer in the refrigeration industry, we offer personalized customization of our products to perfectly match your individual requirements. Should you find yourself uncertain about the ideal model for your needs, feel free to reach out to us. Our team is ready to assist you.Our team boasts several highly skilled professional engineers, dedicated to crafting tailored solutions that meet your specific needs with precision and excellence.
Shandong Binzhou Huiyang cold chain logistics port
This impressive project spans a vast area of 60,542 square meters, with a remarkable total construction area of 72,370.31 square meters. It features state-of-the-art production workshops and an expansive cold storage space covering 65,538.50 square meters, perfectly designed to meet all your cold storage needs.
Our company's main products are meticulously crafted with precision and excellence, offering unparalleled performance in every application: Condensing Units - Engineered for optimal efficiency and reliability, catering to diverse industrial needs,Air Coolers - Designed to deliver superior cooling solutions with advanced technology,Evaporative Condensers - Innovative design for enhanced performance and sustainability,Freezers - Robust construction for comprehensive storage requirements, ensuring freshness and quality,Cold Room Doors - Precision-engineered for durability and thermal efficiency,
Cold Storage Panels - State-of-the-art insulation for optimal temperature regulation, If you desire to explore more of our outstanding products, please click on the product name or captivating product image for a deeper insight into our offerings.
Qingdao Bingyan Refrigeration Equipment Co., Ltd. Established in the picturesque coastal city of Qingdao in 2011, Qingdao Bingyan Refrigeration Equipment Co., Ltd. is a trailblazer in the realm of industrial and commercial freezing solutions. We specialize in the research, development, design, manufacturing, and sale of top-tier refrigeration systems and equipment, marking us as a distinguished high-tech enterprise.
From the very beginning, our company has embraced 'science and technology' as our compass, with 'management' as the backbone to cater to market needs and elevate customer satisfaction. Our mission is to deliver flawless refrigeration system solutions, alongside impeccable products and services.
Our innovation-driven company is proud to hold over ten national technology patents. We are dedicated to the perpetual advancement of high-efficiency, energy-saving, and environmentally conscious refrigeration systems. Our offerings include high-performance refrigeration units, energy-efficient barrel pumps, and sophisticated PLC intelligent program control boxes.
We cater to a diverse range of projects, providing expertise in program design and equipment customization for sectors including food quick-freezing storage, cold storage solutions for food, ultra-low temperature storage, pharmaceutical storage, air-conditioned storage for fruits and vegetables, workshop air conditioning, quick-freezing and freeze-drying, as well as thawing devices.
BINGYAN IS DEDICATED TO DELIVERING CUSTOMERS WITH INNOVATIVE AND LOGICAL REFRIGERATION SYSTEM SOLUTIONS, ALONG WITH SUPERIOR ENGINEERING AND UNPARALLELED AFTER-SALES SERVICES.
Bingyan offers a full spectrum of services including sales, design, construction, and attentive after-sales service, ensuring a seamless customer experience.
1. The sales department is adept at accurately discerning and understanding customer needs, conveying intentions precisely, and maintaining ongoing and effective communication with customers.
2. The design department provides expert and practical engineering suggestions, crafting refrigeration plans that are both reliable and tailored to the distinct needs of customers.
3. The engineering department approaches each construction process with precision and dedication, meticulously completing every task to achieve outstanding high-quality projects.
4. The after-sales department is perpetually prepared and on alert to ensure customer success, offering unwavering support.
Q:What's your advantage?
A: Through our professional designers according to your needs for your professional design, and select the appropriate refrigeration equipment. Ultimately, we achieve the purpose of high cooling efficiency, energy saving and power saving.
Q:How strong is your company?
A:Our company was established in 2011 and has a professional cold storage design team, installation team, and experienced after-sales maintenance personnel. We can provide a complete set of cold storage design, installation guidance, and after-sales maintenance services.
Q:Where are you?Can I visit you?
A: Sure,welcome to you visit our factory at any time.
Q:How about the delivery time?
A: Within 60 days after we confirm you requirement.
Q:what kind of payment does your company support?
A:Usually, a 30% down payment is made through T/T after confirming the Proforma Invoice (PI), and the balance will be paid after inspection and before shipment. We accept telegraphic transfer and sight letter of credit.
Q: When can I get the price?
A: Usually we quote within 24 hours after we get your inquiry.
Q: Which shipping way can you provide?
A: We can provide shipping by sea, by air and by express.
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