Single-machine cascade refrigerator (-80 ° C ~ 160 ° C)

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Single-machine cascade refrigeration unit

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Product description

Single machine self-cascading refrigeration unit
project		unit
project		unit	RXH5A(FD)	RXH8A(FD)	RXH10A(FD)	RXH12A(FD)	RXH15A(FD)	RXH20A(FD)	RXH25A(FD)
Coolant temperature / cooling capacity	-55℃	KW	1.2	1.9	3.1	4.3	6.2	8.7	12.5
	-65℃		0.85	1.4	2.1	3	4.3	5.8	8.6
	-85℃		0.6	0.95	1.4	1.9	2.8	3.7	5.2
	-110℃		0.32	0.65	0.9	1.3	1.6	2.1	2.8
Power supply			3φ-380V-50Hz
Distribution power		kW	7.15	9.75	11.7	14.95	17.55	22.36	24.44
Compressor	Operating power	kw	5.5	7.5	9	11.5	13.5	17.2	18.8
	The refrigerant		Low temperature environmentally friendly mixed refrigerant
	Startup mode		Direct start / Partial coil start
Condensing evaporator	Type		Plate heat exchanger
Evaporator	Type		Barrel coil heat exchanger
Evaporator	Volume	L	20.0	40.0	60.0	80.0	100.0	120.0	150.0
Condenser fan	Type		Finned heat exchanger
	Fan power	w	1200.0	1200.0	1200.0	2400.0	2400.0	2400.0	2400.0
	Air volume	m3/h	1850	1850	3000	3000	3500	7500	7500
Alcohol pump	Pump power	w	370.0	370.0	550.0	550.0	550.0	1100.0	1100.0
	Flow	m3/h	0.85	1.1	1.5	1.9	2.5	3.2	5.2
	Head	m	8.6	8.6	8.6	12.5	12.5	15	15
Take over specifications	Evaporator		DN25	DN25	DN40	DN40	DN40	DN50	DN50
Take over specifications	Sewage		DN20	DN20	DN20	DN20	DN20	DN20	DN20
Dimensions	Long (L)	mm	1200	1500	1500	1800	1800	2000	2000
	Width (W)	mm	950	950	1000	1000	1000	1150	1150
	High (H)	mm	1100	1100	1500	1500	1600	1800	1800
Weight	Net Weight	kg	155	180	200	230	270	290	320
Weight	Running Weight	kg	205	230	265	295	335	355	385

Note:

1. The cooling capacity is measured under the following temperature conditions: the coolant is alcohol; the cooling water inlet/outlet temperature is 32/37 °C.

2. Working range: The cooling water outlet temperature is 22 ° C to 37 ° C. The cooling water inlet temperature difference is 3.5 ° C to 10 ° C.

The outlet temperature of the freezing liquid is -55 ° C to -110 ° C. The temperature difference between the inlet and outlet of the freezing liquid is 2.5 ° C to 5 ° C.

3. The stainless steel wire connection of the pair of frozen liquid inlet and outlet is provided at the time of shipment, and the coolant (alcohol) is provided by the user.

4. The above specifications are subject to change without prior notice. This will help our company to bring the latest scientific and technological achievements to customers at any time.

The company has independent intellectual property rights, multi-component mixed-use environmentally-friendly refrigerant, international advanced natural cascade refrigeration technology, research and development, design, production, sales of single-compressor ultra-low temperature cascade refrigerator (-80 ° C ~ 160 ° C) to achieve a number of Technological breakthroughs have gradually replaced traditional multi-compressor cascade chiller systems and liquid nitrogen refrigeration methods, and have been applied to various industries.

One-time compression multiple natural segregation mixing medium self-cascading freezer refrigeration technology uses a single compressor, with multiple mixed working fluids as refrigerant, achieving low-temperature cooling of -160 ° C, beyond the traditional cascade refrigerator Cooling effect with two or three compressors. It greatly simplifies the structure of the refrigeration system, reduces initial investment costs, reduces system operation energy consumption, and improves system reliability. The self-cascading refrigeration unit refrigeration system uses the method of rectification to ingeniously complete the high-efficiency separation of lubricating oil and mixed working fluid, ensuring that the system does not have oil plugging problem in the low temperature section. The structure is simple, the operation is stable, the energy efficiency is high, the miniaturization is convenient, and a plurality of innovative technologies are possessed.

The self-cascading freezer is compared to a conventional three-stage cascade freezer. In the same way to achieve low temperature refrigeration of -100 ° C, the technology reduces two compressors and two plate heat exchangers than the three-stage cascade cycle, and only adds one self-made liquid separator, regenerator, and as a mixer. The quality replaces the multi-stage refrigerant of the existing cascade refrigeration unit, which greatly reduces the cost, energy saving and energy consumption, and has a simple system structure and stable operation.

Self-folding three large pieces

The natural cascade refrigerator mainly consists of a mixed working medium, a regenerator and an oil separator. It can be assembled into a self-cascading ultra-low temperature refrigeration system with a standard universal refrigeration unit such as a single compressor and a condenser to achieve a minimum of -160 ° C. Ultra-low temperature refrigeration and freezing function. It should be widely used in various cryogenic refrigeration equipments, such as high energy efficiency, ultra-low temperature, simple and reliable system, including ultra-low temperature freezer process, high and low temperature test chamber, ultra-low temperature refrigerator, low temperature thermostat, freeze dryer, ultra-low temperature cold trap and other industries. .

Self-cascading freezer

The self-cascading freezer consists of a compressor, a set of self-assembling three large parts, a condenser plus fan, an oil separator, and some auxiliary accessories. Available in -60 °C, -80 °C, -120 °C, -150 °C, -165 °C temperature specifications. Compared with the traditional multi-stage cascade refrigeration, it has the advantages of simple structure, low installation cost, high temperature control precision, high efficiency and energy saving. Can be widely used in high and low temperature test chambers, low temperature thermostats, low temperature refrigerators, freeze dryers, low temperature cold heading, low temperature reactor, low temperature cold storage, natural gas liquefaction, BOG reliquefaction, ultra low temperature mobile phone opener, environmental waste gas recycling, various types Food freezing, aerospace and other fields.

Ultra-low temperature freezer

Mainly used in pharmaceuticals: synthesis, hydrolysis, esterification, etherification and other processes that require temperature control; chemical industry: rectification and purification, rubber pulverization, low temperature grinding; metal treatment: low temperature assembly, low temperature fire; food: ultra-low temperature food processing such as tuna Storage; Electronics: environmental testing of components; aerospace: heat sink test, environmental simulation test of parts and components; environmental protection: waste gas condensation recovery, net emissions. Natural gas liquefaction, BOG reliquefaction; nuclear industry.

High and low temperature test chamber

It is mainly used in the research and development of quality control engineering for the defense industry, aviation industry, automotive parts, electronic parts, plastics industry, food industry, pharmaceutical industry, and related products.

Cryogenic bath

Mainly used in petroleum, chemical, electronic instrumentation, physics, chemistry, bioengineering, medical and health, life sciences, light industry food, physical property testing and chemical analysis, research departments, universities, enterprise quality inspection and production departments, working for users Provide a hot-cold controlled, uniform temperature field source for constant temperature testing or testing of test samples or products, or as a source of heat or cold for direct heating or cooling and auxiliary heating or cooling.

The relevant comparison chart is attached below:

Self-cascading freezer refrigeration system diagram

Self-cascading freezer compared with traditional multistage cascade refrigeration unit

Comparison of self-cascading freezer and traditional multistage cascade refrigeration unit

At the same time, our company can design and manufacture all kinds of non-standard refrigeration low temperature chillers, ultra-low temperature freezer, anti-corrosion type refrigerator and explosion-proof unit according to the requirements of users. Can provide users with engineering design, equipment production, engineering installation, maintenance and other projects.

Welcome to call us for consultation! For more technical parameters and solutions of natural folding freezer, please contact our technical engineer 13714507518 (WeChat same number) to provide you with the best relevant services.

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