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Cryogenic trap/trap pump

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Cryogenic refrigeration unit

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Product description

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Cold trap (-45 ° C ~ -135 ° C) Features:

The water vapor and harmful gases discharged from the vacuum drying box or the vacuum concentrating device are collected to improve the use efficiency of the vacuum system, greatly reduce the steam suction amount of the vacuum pump, and prolong the service life of the vacuum pump.

1. The cold trap temperature display makes it easy to control the opening time of the vacuum pump to prevent the water in the piping from being pumped into the pump.

2. The cold trap tank is made of SUS 304 stainless steel, which can be used in water and ethanol experiments. After being equipped with a glass condenser, it can be applied to acid and organic solvent experiments.

3. It can be used as a pre-freezing tank or a low-temperature tank.

4. Equipped with drain valve for easy drainage.

5, ultra-low temperature trap, ultra-low temperature trap pump, vacuum coating freezer, cascade cryogenic refrigeration unit can provide low temperature liquid cold source from 0 ° C ~ -135 ° C - ultra-low temperature capture pump, refrigeration unit compressor with German ratio Zell Bitzer, American Copeland, and other brands; imported semi-closed screw compressor or fully enclosed scroll compressor as the mainframe of refrigeration, the main components are Danfoss, ALCO, American menson and other internationally renowned brands; Energy efficient and so on. Ultra-low temperature capture pump. Vacuum coating freezer, low temperature cascade cryogenic refrigeration unit adopts advanced PLC and microcomputer control system, featuring stable performance, safety and reliability.

main production:

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The -145 °C deep-cooled steam chiller developed by the company uses a single compressor, automatic cascade refrigeration, imported brand-name compressors and refrigeration accessories, and environmentally-friendly mixed refrigerant to replace liquid nitrogen and save costs. It has the characteristics of fast cooling speed, high efficiency, low temperature and convenient maintenance. Its performance index is in a leading position, reaching or exceeding the international advanced level. More than 40% energy saving than similar domestic products.

Products are widely used in vacuum coating, surface treatment, optoelectronics, aerospace, quartz crystal, solar collectors, research institutes, bio-pharmaceutical, chemical, electronics, metal processing and other industries.

Cold trap (-45 ° C ~ -135 ° C) application principle:

In the high vacuum environment using oil diffusion pump, there is a certain residual gas, more than 80% of which is water vapor, oil vapor and other high boiling steam, but its ability to remove residual gas is low, time is long, and residual Gas is also a source of contamination for the workpiece, which affects the yield and quality of the product. Ultra-low temperature capture pumps are a good choice for solving problems.

In the high vacuum environment using oil diffusion pump, there is a certain residual gas, more than 80% of which is water vapor, oil vapor and other high boiling steam, but its ability to remove residual gas is low, time is long, and residual The working principle of the water vapor trap pump: a refrigeration coil that can reach below -130 °C is placed in the vacuum chamber or the pump port of the oil diffusion pump, and the residual gas of the vacuum system is quickly captured through the surface low temperature condensation effect. . This greatly shortens the vacuuming time (60-90% of the pumping time can be shortened) and a clean vacuum environment (the vacuum can be increased by half an order of magnitude to 10-8 Torr, 10 ˉ 5 Pa).

The working principle of the water vapor trap pump: a refrigeration coil that can reach a temperature below -130 °C, placed in the vacuum chamber or the pump port of the oil diffusion pump, and quickly captures the vacuum through the low temperature condensation effect on the surface. The residual gas of the system. This greatly shortens the vacuuming time (60-90% of the pumping time can be shortened) and a clean vacuum environment (the vacuum can be increased by half an order of magnitude to 10-8 Torr, 10 ˉ 5 Pa).

Each customer's production requirements. There are differences in product temperature requirements and site size, we will design a perfect solution according to your special needs. According to the characteristics of various materials and production processes, special quick freezing and refrigerating equipment can be customized. According to the actual production conditions of the customer's actual temperature, the optimized combination of freezing and cooling methods can be adopted to achieve the expected production. The process requirements are the unique advantages of our company. Our company can design a targeted freezing and cooling solution according to the different needs of users. Temperature from -30 ° C ~ -120 ° C can meet the needs of food, chemical, pharmaceutical, electronic. Aviation different industries for low temperature. And provide users with integrated planning, engineering design, construction, installation, equipment production and maintenance services. The project includes: turnkey projects for refrigeration systems, automation control systems, electrical controls, pipeline insulation, installation and other projects.

Model		Unit	RXLG-140-500	RXLG-140-700	RXLG-140-1000	RXLG-140-1200	RXLG-140-1500
Cooling capacity		W	500	1200	1850	2600	3500
Compressor power		KW	4.5	6.3	7.5	10	12.2
Refrigeration temperature		-120℃～-145℃
Pumping speed		L/sec	55000	74000	105000	150000	256000
Maximum operating pressure		torr	5x10-8	1.5x10-8	1.5x10-8	5x10-9	1.5x10-9
Cooling tube surface area		㎡	0.4	0.55	0.8	1.1	2
Cooling tube length and outer diameter		m ,mm	12m, 10mm	14m, 12.7mm	16m, 16mm	22,16mm	40m,16mm
Connecting pipe length and outer diameter		Intake(m ,mm)	3 m，6mm	3 m，6mm	3 m，6mm	3 m，8mm	3 m，8mm
Connecting pipe length and outer diameter		Back gas(m ,mm)	3 m，8mm	3 m，8mm	3 m，10mm	3 m，12.7mm	3 m，12.7mm
Cooling water flow	15℃	L/min	5	7.5	15	20	20
	25℃		12	17	30	35	35
	30℃		20	28	55	60	60
Cooling water pipe diameter		in	1/2		3/4
Rated voltage, current		V ,A	380VAC,3PH50/60Hz,5A	380VAC,3PH50/60Hz,7A	380VAC,3PH50/60Hz,10A	380VAC,3PH50/60Hz,12A	380VAC,3PH50/60Hz,15A
Pre-cooling time		min	≤30	≤30	≤30	≤35	≤35
Cooling time		min	≤4	≤4	≤5	≤5	≤7
Defrost time		min	≤2	≤2	≤2	≤3	≤3
Recooling time		min	≤4	≤4	≤5	≤5	≤6
Oil distribution pumping caliber		mm	≤500	≤800	≤1000	Can be dual or multi-channel cooling	Can be dual or multi-channel cooling
With vacuum chamber diameter		mm	≤1000	≤1400	≤1600	≤1800	≤2200

Note:

1. It can shorten the pumping time by 30%~80%2. It can increase the production capacity by 30%~100%.

3, able to quickly cool and warm, and can be recycled for a long time

4, can design dual load, installed in the vacuum chamber and oil diffusion pump port

5, do not need to use expensive liquid nitrogen, can quickly recover the cost

6, using Siemens PLC + touch screen control, precise control

7, can be flexibly installed on the existing vacuum coating system, and the installation is simple, not affected by joints, intake pipes, valves

8, the system is stable, easy to operate, easy to maintain

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Cryogenic trap/trap pump

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