CN208398414U - A kind of hydrogen turbine expansion device - Google Patents
A kind of hydrogen turbine expansion device Download PDFInfo
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- CN208398414U CN208398414U CN201820806243.8U CN201820806243U CN208398414U CN 208398414 U CN208398414 U CN 208398414U CN 201820806243 U CN201820806243 U CN 201820806243U CN 208398414 U CN208398414 U CN 208398414U
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- main shaft
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- expansion device
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Abstract
The utility model discloses a kind of hydrogen turbine expansion devices, including rack, it is provided with the main shaft that can freely radially rotate in rack on the rack, one end of main shaft is provided with turbine, the wheel shaft of turbine is fixedly and coaxially connected with main shaft, and the labyrinth packing gland to seal gap between main shaft and turbine is provided on main shaft.The utility model has the advantages that: not only to circulating hydrogen good cooling results, the refrigeration requirement of enough depth can be provided for liquefaction of hydrogen, and it can effectively avoid the generation of flass, entropy production can be reduced again, it can be realized simultaneously in civil field and stablize refrigeration in liquid hydrogen warm area, it realizes the turbine expansion being related under 20K liquid hydrogen temperature, substantially increases liquefaction of hydrogen efficiency.
Description
Technical field
The utility model relates to liquefaction of hydrogen technical fields, and in particular to a kind of hydrogen turbine expansion device.
Background technique
With the development of economy, the mankind increasingly increase the demand of the energy, and the amount as the petroleum of main energy sources, coal
Increasingly depleted, the challenge of facing mankind is the secondary energy sources of exploitation efficiently, clean.From economy, technical, mobility, environment
The combined factors such as friendly feature consider that Hydrogen Energy is the power fuel of the following most possible substitution petroleum, and exploitation Hydrogen Energy will also drive
The development of various renewable energy causes new energy revolution, and the mankind is thus made to enter " hydrogen economy era ".Liquid hydrogen is a kind of
Colourless, transparent cryogenic liquid, normal boiling point are 20.38K, and density is about the 1/14 of water.1m3Liquid hydrogen all gasification can give birth to
At 788Nm3Gaseous hydrogen.Liquid hydrogen is a kind of excellent rocket push agent, while being also a kind of excellent preparation, is low temperature electric
Refrigerant necessary to cable, certain superconducting components, infrared detector, low-temperature physic experiment；In addition, refining pure semiconductor material
In the industrial departments such as material, medicine processing and food processing, the gas source of ultra-pure hydrogen can be made using liquid hydrogen；It is basic in high-energy physics detection
It is a kind of advanced scientific experiment device with the bubble chamber that liquid hydrogen fills in particle study.Demand of the countries in the world to liquid hydrogen
It is all increased with the development of aerospace cause, but generally existing high production cost, price are also corresponding very high.Currently, due to me
The industry of state is still less-developed, and liquid hydrogen process units few in number is relatively small, and generally existing process flow is backward, production is set
Standby outmoded, the extremely expensive problem of liquid hydrogen price.Due to large market demand, the production scale of liquid hydrogen will expand therewith,
As technological level is continuously improved, liquid hydrogen production cost is also constantly reduced, so that the liquid hydrogen production in China and application be made also just to open
Begin to flourish.
In the liquefaction of hydrogen system for preparing liquid hydrogen, throttle valve is mostly used to carry out the cooling mode of expansion to circulating hydrogen at present
Sufficient cooling capacity is provided for liquid hydrogen.It is this to have the disadvantage in that, nothing poor to circulating hydrogen cooling effect using throttle valve refrigeration modes
Method provides the refrigeration requirement of enough depth for liquefaction of hydrogen, and flass easily occurs and entropy produces height, cannot achieve in civil field
Liquid hydrogen warm area stablizes refrigeration, and the turbine expansion not being related under 20K liquid hydrogen temperature affects liquefaction of hydrogen efficiency.
Utility model content
The purpose of the utility model is to provide a kind of pair of circulating hydrogen good cooling results, and enough depth can be provided for liquefaction of hydrogen
Refrigeration requirement hydrogen turbine expansion device.
To achieve the above object, the utility model adopts the technical scheme that a kind of hydrogen turbine expansion device,
Including rack, it is provided with the main shaft that can freely radially rotate in rack on the rack, one end of main shaft is provided with turbine, whirlpool
The wheel shaft of wheel is fixedly and coaxially connected with main shaft, is provided on main shaft close to the labyrinth type that seals gap between main shaft and turbine
Big envelope.
Further, a kind of hydrogen turbine expansion device above-mentioned, in which: several transverse bearings are arranged on main shaft, it is main
Axis is installed in rack by what transverse bearing can be rotated freely radially.
Further, a kind of hydrogen turbine expansion device above-mentioned, in which: being arranged on main shaft several can prevent main shaft from existing
The thrust bearing of axial float in rack.
Further, a kind of hydrogen turbine expansion device above-mentioned, in which: further include providing lubrication to recycle to each bearing
The circulating oil path component of oil.
Further, a kind of hydrogen turbine expansion device above-mentioned, in which: the structure of circulating oil path component includes: fuel tank, oil
The oil inlet of case is connected with the oil outlet of all bearings simultaneously by oil inlet pipe, and the oil outlet of fuel tank is same by oil outlet pipe
When be connected with the oil inlet of all bearings, oil pump and lube oil cooler are provided in oil outlet pipe.
Further, a kind of hydrogen turbine expansion device above-mentioned, in which: lube oil cooler uses circulating water mode
Lubricating oil is cooled down.
Further, a kind of hydrogen turbine expansion device above-mentioned, in which: turbine is that radial axle flows to core type high-speed turbine.
Through the implementation of the above technical solution, the beneficial effects of the utility model are: not only to circulating hydrogen cooling effect
It is good, the refrigeration requirement of enough depth can be provided for liquefaction of hydrogen, and can effectively avoid the generation of flass, and entropy can be reduced
It produces, while can be realized in civil field and stablize refrigeration in liquid hydrogen warm area, realize the turbine expansion being related under 20K liquid hydrogen temperature,
Substantially increase liquefaction of hydrogen efficiency.
Detailed description of the invention
Fig. 1 is a kind of principle schematic diagram of hydrogen turbine expansion device described in the utility model.
Specific embodiment
The utility model is described further with reference to the accompanying drawing.
As shown in Figure 1, a kind of hydrogen turbine expansion device, including rack 1, being provided in rack 1 can be in rack 1
In the main shaft 2 that freely radially rotates, one end of main shaft 2 is provided with turbine 3, the wheel shaft and main shaft 2 of turbine 3 are coaxial fixed to be connected
It connects, the labyrinth packing gland 12 to seal gap between main shaft 2 and turbine 3 is provided on main shaft 2, in actual use,
It is continuously circulated by high pressure hydrogen compressor 11 into labyrinth packing gland 12 and is passed through heated sealed gas, not only sealing is imitated in this way
Fruit is good, and avoids labyrinth packing gland 12 by the influence of the wheel back side cooling capacity of turbine 3, to extend labyrinth packing gland
Service life, improve the stability in use of labyrinth packing gland；In the present embodiment, if being arranged with trunk diameter on main shaft 2
To bearing 4, main shaft 2 is installed in rack 1 by what transverse bearing 4 can be rotated freely radially；Several energy are arranged on main shaft 2
The thrust bearing 5 for preventing the axial float in rack 1 of main shaft 2, can be improved the stability in use of equipment in this way；In the present embodiment
In, it further include providing the circulating oil path component of lubricating oil to recycle to each bearing, the structure of the circulating oil path component includes:
Fuel tank 6, the oil inlet of fuel tank 6 by oil inlet pipe 7 simultaneously with the oil outlet of all transverse bearings 4 and all thrust bearings 5
Oil outlet is connected, the oil inlet with all transverse bearings 4 and all thrusts simultaneously by oil outlet pipe 8 of the oil outlet of fuel tank 6
The oil inlet of bearing 4 is connected, and oil pump 9 and lube oil cooler 10 is provided in oil outlet pipe 8, wherein lube oil cooler
10 cool down lubricating oil using circulating water mode, and above-mentioned circulating oil path modular construction is simple, easy to maintenance；In this reality
It applies in example, turbine is that radial axle flows to core type high-speed turbine；
In actual use, only circulating hydrogen need to be passed through turbine from the hydrogen inlet of turbine, by circulating hydrogen to whirlpool
Impeller in wheel does work and realizes the turbine expansion to circulating hydrogen.
The utility model has the advantages that: not only to circulating hydrogen good cooling results, enough depth can be provided for liquefaction of hydrogen
Refrigeration requirement, and the generation of flass can be effectively avoided, and entropy production can be reduced, while can realize in civil field in liquid hydrogen
Warm area stablizes refrigeration, realizes the turbine expansion being related under 20K liquid hydrogen temperature, substantially increases liquefaction of hydrogen efficiency.
Claims (7)
1. a kind of hydrogen turbine expansion device, it is characterised in that: including rack, being provided on the rack can be in rack freely radially
The main shaft of rotation is provided with turbine in one end of main shaft, and wheel shaft and the main shaft of turbine are fixedly and coaxially connected, are provided on main shaft
To seal the labyrinth packing gland in gap between main shaft and turbine.
2. a kind of hydrogen turbine expansion device according to claim 1, it is characterised in that: be arranged with several radial directions on main shaft
Bearing, main shaft are installed in rack by what transverse bearing can be rotated freely radially.
3. a kind of hydrogen turbine expansion device according to claim 1 or 2, it is characterised in that: be arranged on main shaft several
It can prevent the thrust bearing of main shaft axial float in rack.
4. a kind of hydrogen turbine expansion device according to claim 3, it is characterised in that: further include to be recycled to each bearing
The circulating oil path component of lubricating oil is provided.
5. a kind of hydrogen turbine expansion device according to claim 4, it is characterised in that: the structure packet of circulating oil path component
Include: the oil inlet of fuel tank, fuel tank is connected with the oil outlet of all bearings simultaneously by oil inlet pipe, and the oil outlet of fuel tank passes through
Oil outlet pipe is connected with the oil inlet of all bearings simultaneously, and oil pump and lube oil cooler are provided in oil outlet pipe.
6. a kind of hydrogen turbine expansion device according to claim 5, it is characterised in that: lube oil cooler uses recirculated water
The type of cooling cools down lubricating oil.
7. a kind of hydrogen turbine expansion device according to claim 1, it is characterised in that: turbine is that radial axle flows to core type height
Fast turbine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820806243.8U CN208398414U (en) | 2018-05-28 | 2018-05-28 | A kind of hydrogen turbine expansion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820806243.8U CN208398414U (en) | 2018-05-28 | 2018-05-28 | A kind of hydrogen turbine expansion device |
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| Publication Number | Publication Date |
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| CN208398414U true CN208398414U (en) | 2019-01-18 |
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| CN201820806243.8U Active CN208398414U (en) | 2018-05-28 | 2018-05-28 | A kind of hydrogen turbine expansion device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108759146A (en) * | 2018-05-28 | 2018-11-06 | 张家港富瑞氢能装备有限公司 | A kind of hydrogen turbine expansion device |
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2018
- 2018-05-28 CN CN201820806243.8U patent/CN208398414U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108759146A (en) * | 2018-05-28 | 2018-11-06 | 张家港富瑞氢能装备有限公司 | A kind of hydrogen turbine expansion device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 215600 No. 236, Guotai North Road, Zhangjiagang City, Suzhou City, Jiangsu Province Patentee after: Jiangsu Guofu hydrogen energy technology equipment Co.,Ltd. Address before: 215600 Fuxin (morning) road 19, Yang Shi Town, Zhangjiagang City, Suzhou, Jiangsu. Patentee before: Jiangsu Guofu Hydrogen Energy Technology Equipment Co.,Ltd. Address after: 215600 Fuxin (morning) road 19, Yang Shi Town, Zhangjiagang City, Suzhou, Jiangsu. Patentee after: Jiangsu Guofu Hydrogen Energy Technology Equipment Co.,Ltd. Address before: 215600 Fuxin (new morning) road 19, Zhangjiagang, Suzhou, Zhangjiagang, Jiangsu province Zhangjiagang Furui hydrogen energy equipment Co., Ltd. Patentee before: ZHANGJIAGANG FURUI HYDROGEN ENERGY EQUIPMENT Co.,Ltd. |
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| CP03 | Change of name, title or address |