CN110963465A - High-purity hydrogen preparation device - Google Patents
High-purity hydrogen preparation device Download PDFInfo
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- CN110963465A CN110963465A CN201811034531.7A CN201811034531A CN110963465A CN 110963465 A CN110963465 A CN 110963465A CN 201811034531 A CN201811034531 A CN 201811034531A CN 110963465 A CN110963465 A CN 110963465A
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- hydrogen
- purification treatment
- purification
- treatment device
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
- C01B3/50—Separation of hydrogen or hydrogen containing gases from gaseous mixtures, e.g. purification
- C01B3/501—Separation of hydrogen or hydrogen containing gases from gaseous mixtures, e.g. purification by diffusion
- C01B3/503—Separation of hydrogen or hydrogen containing gases from gaseous mixtures, e.g. purification by diffusion characterised by the membrane
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
- C01B3/50—Separation of hydrogen or hydrogen containing gases from gaseous mixtures, e.g. purification
- C01B3/508—Separation of hydrogen or hydrogen containing gases from gaseous mixtures, e.g. purification by selective and reversible uptake by an appropriate medium, i.e. the uptake being based on physical or chemical sorption phenomena or on reversible chemical reactions
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/80—Compositional purity
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- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Hydrogen, Water And Hydrids (AREA)
Abstract
The invention provides a high-purity hydrogen preparation device which comprises a hydrogen production device, a hydrogen purification device and a hydrogen collection device. The hydrogen production plant also comprises a byproduct collecting device. The hydrogen purification device comprises three membrane separators, two gas flow meters, a purification treatment device, a nitrogen collection device, a heat exchanger, a pressurizing device and a depressurizing device; the purification treatment device comprises a purification treatment device main body, a box bottom layer made of hydrogen storage metal materials, a piston and a piston locking device. The hydrogen collecting device comprises a collecting device and a storage device. The invention adopts the membrane separator and the hydrogen storage metal material to prepare the high-purity hydrogen, thereby effectively reducing the energy consumption for preparing the high-purity hydrogen. And the byproduct in the process of preparing the high-purity hydrogen also has high commercial and industrial values, and is environment-friendly and safe.
Description
Technical Field
The invention relates to a hydrogen preparation system, in particular to a high-purity hydrogen preparation device.
Background
The hydrogen is used as an important petrochemical raw material for producing synthetic ammonia and methanol and hydrogenation reaction in petroleum refining process with the largest application amount. And is also widely applied to the fields of electronic industry, metallurgical industry, food industry, float glass, fine organic synthesis aerospace industry and the like. Petrochemical, one of the basic feedstocks for the modern oil refining and chemical industries, uses hydrogen in a wide range of forms for the chemical industry. Most of the hydrogen used for synthesizing ammonia and methanol is produced by steam reforming or partial oxidation of natural gas, naphtha or heavy oil. The hydrogen used in petroleum refining industry is second only to the synthesis of ammonia. High purity hydrogen is commonly used in fuel cells as the cell fuel to provide energy. However, the prior art methods have high cost for preparing high purity hydrogen or long production cycle.
Disclosure of Invention
To achieve these objects and other advantages in accordance with the present invention, a high purity hydrogen production apparatus is provided. The system comprises a hydrogen production device, a hydrogen purification device and a hydrogen collection device. The hydrogen production plant also comprises a byproduct collecting device. The hydrogen purification device comprises three membrane separators, two gas flow meters, a purification treatment device, a nitrogen collection device, a heat exchanger, a pressurizing device and a depressurizing device; wherein the purification treatment device comprises a purification treatment device main body, a box bottom layer made of hydrogen storage metal materials and a piston. The hydrogen collecting device comprises a collecting device and a storage device. Wherein, one end of the hydrogen production device is connected with the byproduct collecting device, and the other end is connected with the membrane separator 1; the membrane separator 1, the supercharging device and the purification treatment device are sequentially connected; the supercharging device and the air extraction equipment are connected to one side of the purification treatment device; the membrane separator 2 and the nitrogen collecting device are connected to the other side of the purification treatment device; the purification treatment device, the air extraction equipment, the membrane separator 3, the collection device and the storage device are sequentially connected; the hydrogen storage metal material is paved at the bottom of the box body of the purification treatment device, and the surface is smooth; the piston is matched with the interior of the box body. The heat exchanger is positioned at the lower end of the hydrogen storage metal; the gas flow meters are respectively arranged between the supercharging equipment and the hydrogen purification device and between the air extraction device and the hydrogen purification device.
Preferably, the supercharging device is a booster pump.
Preferably, the air-extracting device is an air-extracting pump.
Before working, the piston in the hydrogen purification device is positioned at one end of the nitrogen collection device. Nitrogen is first produced by means of the membrane separator 2 and passed into the hydrogen purification apparatus, the piston being pushed to the other side of the hydrogen purification apparatus. The hydrogen production device prepares hydrogen, the prepared hydrogen is primarily purified through the membrane separator, then the hydrogen is added into the hydrogen purification device through the pressurizing device, the piston is pushed to slide towards the nitrogen gas inlet end, and after the piston slides to the tail end, the piston is locked by the locking mechanism. Pressurizing by the pressurizing equipment, simultaneously cooling the whole hydrogen purification device, adsorbing hydrogen by the hydrogen storage metal material, and simultaneously recording the total gas flow by the gas flowmeter between the pressurizing equipment and the hydrogen purification device. When the flow value reaches a set value, closing a valve between the membrane separator 1 and the supercharging equipment, closing the hydrogen production device, and closing the supercharging equipment; and opening a valve between the membrane separator 3 and the air extraction equipment, opening the air extraction equipment, and heating the hydrogen purification device by the heat exchanger. The hydrogen gas escapes from the hydrogen storage metal material and is further purified by a mill separator 3 to a collection device and stored in a storage device. And when the total flow value measured by the gas flowmeter arranged between the hydrogen purification device and the air extraction equipment reaches the specified value, closing the valve, the air extraction equipment and the heat exchanger between the membrane separator 3 and the air extraction equipment. The locked piston is opened and nitrogen is introduced to push the piston to the other end.
The invention has at least the following beneficial effects:
1) the invention adopts the membrane separator and the hydrogen storage metal material to prepare the high-purity hydrogen, thereby effectively reducing the energy consumption for preparing the high-purity hydrogen. And the byproduct in the process of preparing high-purity hydrogen also has high commercial and industrial values.
2) The method has the advantages of no generation of harmful gases and other harmful substances in the process of preparing the high-purity hydrogen, environmental protection and safety.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is a schematic structural view of a high purity hydrogen production apparatus of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the attached drawings so that those skilled in the art can implement the invention with reference to the description:
the invention provides a high-purity hydrogen preparation device. The system comprises a hydrogen production device, a hydrogen purification device and a hydrogen collection device. The hydrogen production plant also comprises a byproduct collecting device. The hydrogen purification device comprises three membrane separators, two gas flow meters, a purification treatment device, a nitrogen collection device, a heat exchanger, a pressurizing device and a depressurizing device; wherein the purification treatment device comprises a purification treatment device main body, a box bottom layer made of hydrogen storage metal materials and a piston. The hydrogen collecting device comprises a collecting device and a storage device. Wherein, one end of the hydrogen production device is connected with the byproduct collecting device, and the other end is connected with the membrane separator 1; the membrane separator 1, the supercharging device and the purification treatment device are sequentially connected; the supercharging device and the air extraction equipment are connected to one side of the purification treatment device; the membrane separator 2 and the nitrogen collecting device are connected to the other side of the purification treatment device; the purification treatment device, the air extraction equipment, the membrane separator 3, the collection device and the storage device are sequentially connected; the hydrogen storage metal material is paved at the bottom of the box body of the purification treatment device, and the surface is smooth; the piston is matched with the interior of the box body. The heat exchanger is positioned at the lower end of the hydrogen storage metal; the gas flow meters are respectively arranged between the supercharging equipment and the hydrogen purification device and between the air extraction device and the hydrogen purification device. The supercharging equipment is a booster pump. The air extraction equipment is an air extraction pump.
Before working, the piston in the hydrogen purification device is positioned at one end of the nitrogen collection device. Nitrogen is first produced by means of the membrane separator 2 and passed into the hydrogen purification apparatus, the piston being pushed to the other side of the hydrogen purification apparatus. The hydrogen production device prepares hydrogen, the prepared hydrogen is primarily purified through the membrane separator, then the hydrogen is added into the hydrogen purification device through the pressurizing device, the piston is pushed to slide towards the nitrogen gas inlet end, and after the piston slides to the tail end, the piston is locked by the locking mechanism. Pressurizing by the pressurizing equipment, simultaneously cooling the whole hydrogen purification device, adsorbing hydrogen by the hydrogen storage metal material, and simultaneously recording the total gas flow by the gas flowmeter between the pressurizing equipment and the hydrogen purification device. When the flow value reaches a set value, closing a valve between the membrane separator 1 and the supercharging equipment, closing the hydrogen production device, and closing the supercharging equipment; and opening a valve between the membrane separator 3 and the air extraction equipment, opening the air extraction equipment, and heating the hydrogen purification device by the heat exchanger. The hydrogen gas escapes from the hydrogen storage metal material and is further purified by a mill separator 3 to a collection device and stored in a storage device. And when the total flow value measured by the gas flowmeter arranged between the hydrogen purification device and the air extraction equipment reaches the specified value, closing the valve, the air extraction equipment and the heat exchanger between the membrane separator 3 and the air extraction equipment. The locked piston is opened and nitrogen is introduced to push the piston to the other end.
Claims (3)
1. A high-purity hydrogen production apparatus characterized by comprising:
the hydrogen production device also comprises a byproduct collecting device;
the hydrogen purification device comprises three membrane separators, two gas flow meters, a purification treatment device, a nitrogen collection device, a heat exchanger, a pressurization device and a depressurization device; wherein the purification treatment device comprises a purification treatment device main body, a box bottom layer made of hydrogen storage metal materials, a piston and a piston locking device;
the hydrogen collecting device comprises a collecting device and a storage device;
wherein, one end of the hydrogen production device is connected with the byproduct collecting device, and the other end is connected with the membrane separator 1; the membrane separator 1, the supercharging device and the purification treatment device are sequentially connected; the supercharging device and the air extraction equipment are connected to one side of the purification treatment device; the membrane separator 2 and the nitrogen collecting device are connected to the other side of the purification treatment device; the purification treatment device, the air extraction equipment, the membrane separator 3, the collection device and the storage device are sequentially connected; the hydrogen storage metal material is paved at the bottom of the box body of the purification treatment device, and the surface is smooth; the piston is matched with the interior of the box body; the heat exchanger is positioned at the lower end of the hydrogen storage metal; the gas flow meters are respectively arranged between the supercharging equipment and the hydrogen purification device and between the air extraction device and the hydrogen purification device.
2. The apparatus for producing high purity hydrogen as claimed in claim 1, wherein the pressurizing means is a pressurizing pump.
3. A high purity hydrogen production apparatus according to claim 1, wherein said pumping means is a suction pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811034531.7A CN110963465A (en) | 2018-09-06 | 2018-09-06 | High-purity hydrogen preparation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811034531.7A CN110963465A (en) | 2018-09-06 | 2018-09-06 | High-purity hydrogen preparation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110963465A true CN110963465A (en) | 2020-04-07 |
Family
ID=70026438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811034531.7A Withdrawn CN110963465A (en) | 2018-09-06 | 2018-09-06 | High-purity hydrogen preparation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110963465A (en) |
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2018
- 2018-09-06 CN CN201811034531.7A patent/CN110963465A/en not_active Withdrawn
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200407 |