First, the product name
Chinese name: self-pressurized liquid nitrogen tank
English name: Self pressurized liquid nitrogen tank
Second, product introduction
1. This product is made of high quality austenitic stainless steel, high vacuum multi-layer insulation structure. Good thermal insulation performance and low natural loss of liquid nitrogen. The upper part of the container is equipped with an infusion valve, a deflation relief valve, a safety valve, a pressure increasing valve, a liner safety blasting valve, a pressure gauge and the like. The inside of the container is provided with a self-pressurizing device, which uses a small amount of liquid nitrogen vaporization in the container to generate pressure, so that the container can discharge liquid nitrogen by itself.
2. The outer surface of the product has been polished, exquisite and bright, and it is convenient and flexible in operation. It is suitable for filling liquid nitrogen biological container and other cryogenic instruments with liquid nitrogen.
3. The self-pressurized liquid nitrogen tank is generated by the vaporization of a small amount of liquid nitrogen in the tank, so that the container can automatically discharge liquid nitrogen, thereby supplementing the liquid nitrogen for other containers. It is mainly used for transporting and storing liquid media, and can also be used as a cold source for other refrigeration devices. It can be equipped with liquid nitrogen tank monitoring terminal and monitoring software, which can realize remote transmission of liquid nitrogen level and pressure data, realize low liquid level and over pressure remote alarm, and can also remotely pressurize and control rehydration.
4. Currently widely used in the mold industry, animal husbandry, medicine, semiconductor, food, low temperature chemical, aerospace, military and other industries and fields.
Third, common uses
1. Active preservation of animal semen.
It is mainly used for the preservation of semen from excellent breeds such as cattle and sheep, as well as semen from animals, as well as long-distance transportation and storage.
2. Active preservation of biological samples.
Vaccines, bacterial strains, cells, and human and animal organs in the biomedical field can be immersed in liquid nitrogen stored in a liquid nitrogen tank for long-term active storage. When it is needed, take out the thawing and rewarming and use it.
3. Cryogenic treatment of metallic materials.
The cryogenic treatment of the metal material by the liquid nitrogen stored in the liquid nitrogen tank can change the metallographic structure of the metal material and significantly improve the hardness, strength and wear resistance of the metal material.
4. Cryogenic assembly of precision parts.
After the precision parts are cryogenically treated with liquid nitrogen, assembly is performed to improve the assembly quality of the parts, thereby improving the overall performance of the equipment or the instrument.
Fourth, the packaging specifications
|
Product number
|
Volume (L)
|
Working pressure (mpa)
|
Outer diameter (mm)
|
Height (mm)
|
Empty weight (kg)
|
Full weight (kg)
|
Infusion volume (L)
|
Daily evaporation rate (d%)
|
|
YDZ-15
|
15
|
0.09
|
350
|
600
|
22
|
34
|
2
|
2.5
|
|
YDZ-30
|
30
|
0.09
|
377
|
850
|
35
|
59
|
2
|
2.3
|
|
YDZ-50
|
50
|
0.09
|
455
|
1000
|
50
|
90
|
2
|
2
|
|
YDZ-75
|
75
|
0.09
|
455
|
1150
|
59
|
120
|
4
|
2
|
|
YDZ-100
|
100
|
0.09
|
505
|
1270
|
68
|
148
|
6
|
1.8
|
|
YDZ-150
|
150
|
0.09
|
555
|
1450
|
100
|
220
|
8
|
1.8
|
|
YDZ-160
|
160
|
0.09
|
606
|
1500
|
108
|
236
|
8
|
1.7
|
|
YDZ-175
|
175
|
0.09
|
606
|
1600
|
115
|
255
|
8
|
1.6
|
|
YDZ-195
|
195
|
0.09
|
656
|
|
|
|
|
|
|
YDZ-200
|
200
|
0.09
|
656
|
1600
|
125
|
285
|
8.5
|
1.5
|
|
YDZ-300
|
300
|
0.09
|
1600
|
1600
|
190
|
432
|
8.5
|
1.5
|
|
YDZ-500
|
500
|
0.09
|
1000
|
1500
|
335
|
739
|
12
|
1.2
|
|
YDZ-800
|
800
|
0.09
|
1300
|
1830
|
520
|
1160
|
15
|
1.1
|
|
Fifth, the production process
The structure of the self-pressurized liquid nitrogen tank:
Self-pressurized liquid nitrogen tank from - self-pressurized liquid nitrogen tank body - valve - component - neck mouth - drain port - exhaust port - booster tube - neck level gauge - - lower casters - internal booster coils
Sixth, matters needing attention
1. It is preferred to fill the empty YDZ-15 self-pressurized liquid nitrogen tank with liquid nitrogen, open the bleed valve and the inlet and outlet valves, connect the inlet and outlet valves, fill the tank with liquid nitrogen, observe the deflation Valves and pressure gauges, when the pressure gauge is overpressured, the pressure relief valve discharges the venting valve, not the nitrogen gas, but the liquid nitrogen, look at the liquid level gauge at the neck, the liquid level gauge is top-to-end, indicating the inside of the tank It has been filled with liquid nitrogen, at which point the nitrogen is filled.
2. When the liquid nitrogen tank is placed under high pressure, the internal pressure of the self-pressurized liquid nitrogen tank that has just been filled is high, the pressure relief valve will periodically relieve pressure, and the bleed valve can be directly opened to deflate and the internal pressure is removed. Allow the self-pressurized liquid nitrogen tank to be placed directly at rest or left. When using, according to the pressure used, relieve pressure and adjust to the use pressure.
3. Pressurize, use the pressure booster slowly every time you use it. Do not increase the pressure to the head once. When the pressure exceeds 0.05mpa, you can start to open the drain to output liquid nitrogen. This is also based on the final pressure conditions used by the user. After use, you can open the bleed valve and let go of the pressure inside.
4. The liquid level meter is observed from the liquid nitrogen in the pressurized liquid nitrogen tank. Do not wait until the liquid level meter bottoms out before starting to fill the liquid nitrogen, so that the hot and cold alternates seriously, which affects the life of the tank. Liquid nitrogen needs to be poured when some liquid nitrogen remains.
5. Self-pressurized liquid nitrogen tanks are required to be connected to stainless steel metal hoses for liquid nitrogen tanks and storage liquid nitrogen tanks.
Note: The above gas cylinder specifications are general reference materials. If you have special requirements, please call 40009 63336, 18563963366.
