Revolutionary NH3/CO2 Cascade Refrigeration System: Elevate your cooling operations with our state-of-the-art dual-stage system.
1. NH3/CO2 Cascade Refrigeration System Principles: Delve into the sophisticated mechanisms harnessing dual refrigerants for optimal performance.
The NH3/CO2 cascade refrigeration system harmoniously integrates a high-temperature stage utilizing NH3 and a low-temperature stage employing CO2. The NH3 refrigerant in the high-level stage facilitates the condensation of CO2 from the low-level stage. Seamlessly uniting these stages is a condensation evaporator, serving as both the condenser for CO2 and the evaporator for NH3, ensuring a flawless cooling transition.
Efficient thermal transfer is achieved as the CO2 refrigerant absorbs heat transferred from the NH3 refrigerant via the condensing evaporator. This absorbed heat is then released to the environment through the high-temperature condenser. The cycle continues as condensed CO2 transitions through filters and valves, maintaining an efficient and continuous refrigeration cycle that culminates in a highly effective cascade system.
In this dual-level refrigeration system, each stage operates with its own refrigerant, ensuring peak efficiency. The NH3 system mirrors conventional systems with its compressor, condenser, and storage, while the CO2 system is equipped with a plethora of essential components, all working in harmony to deliver superior performance.
The The CO2 gas-liquid separator is intricately designed to maintain compressor integrity by preventing wet stroke and ensuring stable liquid levels, even during pump operation. It serves as a crucial storage solution for CO2, effectively managing pressure and maintaining system stability, complemented by an auxiliary evaporator for additional safety.
2. Advantages of the NH3/CO2 Cascade Refrigeration System: Experience the paramount benefits brought by our innovative system.
(1) Enhanced NH3 Safety Measures:
(1.(1)) Experience a dramatic reduction in NH3 condensing pressure, achieving only 1/10th of traditional levels, revolutionizing safety standards.
(1.(2)) NH3 is confined to a controlled environment, akin to a 'tiger in a cage,' ensuring maximum containment by skilled personnel.
(1.(3)) Leverage the superior heat transfer characteristics of NH3 in high-temperature zones for efficient CO2 cooling.
(2) CO2 Integration in High-Traffic Areas: Safeguard personnel and property by introducing CO2 into operational rooms and warehouses, providing a safe and secure environment.
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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 dedicated manufacturer, Qingdao Bingyan Refrigeration Equipment Co., Ltd. is committed to tailoring our CO2 Refrigeration Units to meet your exact specifications. Should you be uncertain about the ideal model for your needs, feel free to send us a message. Our team is eager to assist you in making the perfect choice.Our company boasts a team of highly skilled engineers who are ready to craft a bespoke solution to perfectly suit your requirements. Trust our expertise to deliver exceptional customization for your refrigeration needs.
Shandong Binzhou Huiyang Cold Chain Logistics Port: A Benchmark of Excellence
The remarkable project spans a vast area of 60,542 square meters, with an impressive total construction footprint of 72,370.31 square meters. This state-of-the-art facility includes a dedicated production workshop and an expansive cold storage area, encompassing a total of 65,538.50 square meters, which illustrates our commitment to innovation and efficiency in refrigeration technology.
Our company's flagship offerings include Efficient Condensing Units,State-of-the-Art Air Coolers,Innovative Evaporative Condensers,Versatile Freezers,Durable Cold Room Doors,
Premium Cold Storage Panels, To explore more about our diverse range, simply click on the product name or image.

Qingdao Bingyan Refrigeration Equipment Co., Ltd. Established with passion in 2011, nestled in the picturesque coastal haven of Qingdao, we proudly stand as a comprehensive high-tech enterprise. Our expertise covers a wide spectrum, from industrial and commercial freezing solutions to the design, development, manufacturing, and sales of state-of-the-art refrigeration systems and equipment.
From our very start, we've embraced 'science and technology' as our guiding beacon, with 'management' as our foundation. Our unwavering mission is to meet market demands and provide unparalleled customer service. We are dedicated to delivering flawless refrigeration system solutions, exceptional products, and outstanding services to our esteemed clients.
Our company holds over ten prestigious national technology patents and is deeply committed to the continuous research and development of cutting-edge, energy-efficient, and eco-friendly refrigeration configurations. Our innovations include high-performance refrigeration units, energy-saving barrel pumps, and PLC intelligent program control boxes, all designed to perfection.
Our expertise shines in program design and bespoke equipment customization for an array of projects. Whether it's food quick-freezing storage, ultra-low temperature cold storage, medicine preservation, or fruit and vegetable air-conditioning storage, we are your go-to experts. We also specialize in workshop air conditioning, quick-freezing and freeze-drying processes, and advanced thawing devices.
At BINGYAN, we passionately dedicate ourselves to delivering customers with scientifically advanced and strategically designed refrigeration system solutions. Our commitment extends beyond just offering superior quality engineering; we pride ourselves on exceptional after-sales service that sets a gold standard in the industry.
Bingyan excels in providing a full spectrum of services that include sales, expert design, meticulous construction, and unparalleled after-sales support, ensuring a seamless experience from start to finish.
1. Our sales department goes the extra mile to thoroughly comprehend and capture the unique needs and desires of our customers. We ensure that every customer intention is accurately communicated, fostering an environment of constant and effective communication.
2. With a focus on innovation, the design department offers customers expert engineering advice that is both professional and practical. We custom-craft reliable and stable refrigeration plans tailored precisely to meet the specific requirements of our clients.
3. Our engineering department approaches every construction process with a high level of diligence and precision. We are committed to achieving excellence, meticulously completing each task to deliver projects of the highest quality.
4. The after-sales department stands ever-ready and vigilant, prepared to ensure our customers' continued success and satisfaction with timely support and expertise.

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.