CN210687762U - Device for storing hydrogen in coke oven gas - Google Patents
Device for storing hydrogen in coke oven gas Download PDFInfo
- Publication number
- CN210687762U CN210687762U CN201921436851.5U CN201921436851U CN210687762U CN 210687762 U CN210687762 U CN 210687762U CN 201921436851 U CN201921436851 U CN 201921436851U CN 210687762 U CN210687762 U CN 210687762U
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- China
- Prior art keywords
- hydrogen
- hydrogen storage
- shell
- coke oven
- oven gas
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000001257 hydrogen Substances 0.000 title claims abstract description 133
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 133
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 124
- 239000007789 gas Substances 0.000 title claims abstract description 57
- 239000000571 coke Substances 0.000 title claims abstract description 33
- 239000011232 storage material Substances 0.000 claims abstract description 43
- 238000005984 hydrogenation reaction Methods 0.000 claims abstract description 35
- 239000007788 liquid Substances 0.000 claims abstract description 22
- 239000003054 catalyst Substances 0.000 claims abstract description 17
- 238000005070 sampling Methods 0.000 claims abstract description 10
- 239000010410 layer Substances 0.000 claims description 14
- 238000010992 reflux Methods 0.000 claims description 10
- 239000000969 carrier Substances 0.000 claims description 4
- 239000002344 surface layer Substances 0.000 claims description 2
- 150000002431 hydrogen Chemical class 0.000 abstract description 9
- 239000012530 fluid Substances 0.000 abstract description 6
- 239000012535 impurity Substances 0.000 abstract description 5
- 239000000126 substance Substances 0.000 abstract description 4
- 230000008676 import Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000006227 byproduct Substances 0.000 abstract description 2
- 239000007809 chemical reaction catalyst Substances 0.000 abstract description 2
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 238000006243 chemical reaction Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 7
- 238000011161 development Methods 0.000 description 5
- 229920006395 saturated elastomer Polymers 0.000 description 5
- 239000000446 fuel Substances 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000000889 atomisation Methods 0.000 description 2
- 238000006356 dehydrogenation reaction Methods 0.000 description 2
- 238000003795 desorption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/32—Hydrogen storage
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/45—Hydrogen technologies in production processes
Landscapes
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The utility model discloses a store device of hydrogen in coke oven gas, including hydrogen storage device base (1), it has casing (2) to support on hydrogen storage device base (1), bottom erection bracing frame (5) in casing (2), load hydrogenation catalyst carrier (4) are stacked to successive layer on support frame (5), casing (2) bottom surface is equipped with leakage fluid dram (11), sampling valve (12) are installed to leakage fluid dram (11), leakage fluid dram (11) are connected with backwash pump (13) through the pipeline, the tube side access connection of backwash pump (13) and heat exchanger (15), the tube side export of heat exchanger (15) is connected with liquid hydrogen storage material import (16) on casing (2) upper portion through the pipeline. The device controls the hydrogenation process through the hydrogenation reaction catalyst, the impurity gas does not react with the organic hydrogen storage material, the hydrogen is purified while storing the hydrogen, the energy consumption is low, and the device has better application prospect in the fields of chemical byproduct hydrogen storage, hydrogen production and hydrogen transportation.
Description
Technical Field
The utility model relates to a hydrogen storage field specifically is a device of hydrogen in storage coke oven gas, utilizes organic hydrogen storage material and hydrogen to take place chemical reaction, stores the hydrogen in the coke oven gas through the chemical bond, utilizes the vacuum pump with physical absorption impurity gas further desorption in the organic hydrogen storage material.
Background
Hydrogen energy is an important sustainable energy source, and the heat of development of the hydrogen energy industry has risen in recent years worldwide, and the storage of hydrogen plays an important role in the development process of hydrogen energy. According to the 'development research report of hydrogen energy and fuel cell industry in 2018', the consumption proportion of hydrogen energy in terminal energy in China reaches 10% in the future. At present, hydrogen stations operated at home and abroad mostly adopt a high-pressure gas cylinder to store hydrogen, and the hydrogen storage facilities have large floor area, high storage cost and large potential safety hazard, thereby restricting the development of the hydrogen energy industry. With the increasing of hydrogen fuel cell automobiles, the gap of hydrogen storage facilities of hydrogen energy in China will become larger and larger, and the reduction of the hydrogen storage cost becomes an urgent problem to be solved. The hydrogen content in the coke oven gas is about 55 percent, and the hydrogen content is slightly different according to different coal types. The coke oven gas resources in China are quite rich, but the hydrogen prepared by the coke oven gas is difficult to meet the purity requirement of the hydrogen of a hydrogen fuel cell automobile, and the hydrogen storage process is complex, the cost is high and the potential safety hazard is large. In order to solve the problems that the hydrogen prepared from coke oven gas is difficult to meet the purity requirement of hydrogen of a hydrogen fuel cell automobile, the hydrogen storage process is complex, the cost is high and the potential safety hazard is large, the development of a low-energy and high-efficiency hydrogen purification and storage technology has important significance.
Disclosure of Invention
The utility model relates to a solve present coke oven gas and prepare hydrogen in hydrogen storage technology complicated, the cost is higher, the big problem of potential safety hazard, provide a feasible organic hydrogen storage material of utilization and hydrogen take place the chemical reaction, get up the storage in the coke oven gas through the chemical bond, and then with hydrogen and foreign gas separation, utilize the vacuum pump with the hydrogen storage device of the further desorption of the foreign gas of physical absorption in organic hydrogen storage material.
The utility model discloses an adopt following technical scheme to realize:
a device for storing hydrogen in coke oven gas comprises a hydrogen storage device base, a shell is supported on the hydrogen storage device base, a support frame is arranged at the bottom in the shell, the support frame is stacked with a carrier loaded with hydrogenation catalyst layer by layer, the bottom surface of the shell is provided with a liquid outlet which is provided with a sampling valve and is connected with a reflux pump through a pipeline, the reflux pump is connected with a tube pass inlet of the heat exchanger, a tube pass outlet of the heat exchanger is connected with a liquid hydrogen storage material inlet at the upper part of the shell through a pipeline, the liquid hydrogen storage material inlet is connected with an atomizer positioned at the top in the shell, the atomizer is positioned above the surface layer of the carrier loaded with the hydrogenation catalyst, the top surface of the shell is provided with a gas outlet, a demister is arranged at the gas outlet in the shell, and a coke oven gas inlet is arranged below the support frame at the bottom of the shell.
A plurality of thermocouple thermometers are mounted on the housing.
And a heat insulation layer is arranged outside the shell.
The gas outlet is connected with a vacuum pump through a pipeline.
The device stores hydrogen in the coke oven gas by utilizing the chemical reaction of an organic hydrogen storage material and the hydrogen, the organic hydrogen storage material is atomized by an atomizer and then undergoes a hydrogenation reaction with the hydrogen on the surface of a hydrogenation catalyst, a reflux pump is arranged at the bottom of the hydrogenation device, the unsaturated hydrogenation hydrogen storage material is circulated to the atomization by the reflux pump and then returns to the hydrogenation reaction device, and further undergoes a chemical reaction with the hydrogen in the coke oven gas until unsaturated bonds of the organic hydrogen storage material are all in a saturated state. And the top of the hydrogen storage device is provided with a vacuum pump, and after the hydrogenation reaction is finished, impurity gas physically adsorbed in the organic hydrogen storage material is removed by using the vacuum pump.
The utility model has the characteristics of as follows:
1. the hydrogenation device utilizes the chemical reaction of the organic hydrogen storage material and hydrogen to generate the saturated hydrogen storage material rich in hydrogen and store the hydrogen in the coke oven gas, and the organic hydrogen storage material is atomized by the atomizer and then undergoes the hydrogenation reaction with the hydrogen on the surface of the hydrogenation catalyst, so that the dispersion degree of the organic hydrogen storage material on the surface of the catalyst is greatly improved, the mass transfer coefficient is enhanced, and the high-efficiency hydrogenation reaction is facilitated.
2. The bottom of the hydrogenation device is provided with a reflux pump, unsaturated hydrogenation hydrogen storage materials are circulated to the atomization device through the reflux pump and then return to the hydrogenation reaction device again, and further perform chemical reaction with hydrogen in the coke oven gas.
The utility model relates to a rationally, compare with the device and the method of traditional hydrogen of drawing, the device passes through hydrogenation catalyst control hydrogenation process, and foreign gas does not take place chemical reaction with organic hydrogen storage material, has also purified hydrogen when storing hydrogen, provides the method of new hydrogen manufacturing, and process flow is simple, and the energy consumption is low, stores up hydrogen, hydrogen manufacturing, fortune hydrogen field at chemical industry by-product and has better application prospect.
Drawings
Fig. 1 shows a schematic structural diagram of the present invention.
In the figure: 1-hydrogen storage device base, 2-shell, 3-insulating layer, 4-load hydrogenation catalyst carrier, 5-support frame, 6-thermocouple thermometer, 7-coke oven gas inlet, 8-atomizer, 9-gas outlet, 10-demister, 11-liquid outlet, 12-sampling valve (as organic hydrogen storage material sampling port and saturated organic hydrogen storage material outlet), 13-reflux pump, 14-vacuum pump, 15-heat exchanger, 16-liquid hydrogen storage material inlet.
Detailed Description
The following describes in detail specific embodiments of the present invention with reference to the accompanying drawings.
A device for storing hydrogen in coke oven gas is shown in figure 1 and comprises a hydrogen storage device base 1, a shell 2 is supported on the hydrogen storage device base 1, and a heat-insulating layer 3 is arranged outside the shell 2. Bottom erection bracing frame 5 in casing 2, load hydrogenation catalyst carrier 4 is stacked to the successive layer on support frame 5, 2 bottom surfaces of casing are equipped with leakage fluid dram 11, sampling valve 12 is installed to leakage fluid dram 11, leakage fluid dram 11 passes through the pipeline and is connected with backwash pump 13, backwash pump 13 and the tube side access connection of heat exchanger 15, the tube side export of heat exchanger 15 passes through the pipeline and is connected with the liquid hydrogen storage material import 16 on 2 upper portions of casing, liquid hydrogen storage material import 16 is connected with the atomizer 8 that is located the top in casing 2, atomizer 8 is located the top layer top of load hydrogenation catalyst carrier 4. A plurality of thermocouple thermometers 6 are mounted on the housing 2. The top surface of the shell 2 is provided with a gas outlet 9, a demister 10 is arranged at the gas outlet in the shell 2, and the gas outlet 9 is connected with a vacuum pump 14 through a pipeline. A coke oven gas inlet 7 is arranged at the bottom of the shell 2 and below the supporting frame 5.
In specific implementation, stop valves (not shown) are installed on various pipelines. The device base 1 is used for supporting the hydrogen extraction device body and related accessories, the base is connected with a hydrogen storage device shell 2, and a heat insulation layer 3 is arranged outside the shell and used for reducing the heat loss of a reaction system. The reaction device is internally provided with a hydrogenation catalyst for improving the reaction rate of hydrogenation catalysis, the hydrogenation catalyst is loaded on a plurality of hollow cylindrical carriers, the loaded hydrogenation catalyst carriers 4 are placed on a support frame 5 layer by layer, and a catalyst bed layer is provided with a thermocouple thermometer 6 for measuring the temperature of a reaction system.
The coke oven gas carrying hydrogen enters from a coke oven gas inlet 7, the liquid hydrogen storage material is firstly injected into the hydrogen storage device through a liquid hydrogen storage material inlet 16 (provided with a tee joint), and after being dispersed into small liquid through an atomizer 8, the liquid hydrogen storage material is in countercurrent contact with the coke oven gas in the hydrogen storage device and generates hydrogenation reaction on the surface of a hydrogenation catalyst, so that the hydrogen in the coke oven gas is extracted. Unreacted gas is discharged from a gas outlet 9 of the device, and the gas outlet is provided with a demister 10 for removing liquid hydrogen storage material entrained in the gas. The hydrogen-rich organic hydrogen storage material after the hydrogenation reaction is discharged from a liquid outlet 11, and the liquid outlet is provided with an organic hydrogen storage material sampling port (sampling can be carried out by opening a sampling valve 12) for analyzing the saturation degree of the hydrogen-rich hydrogen storage material. The unsaturated liquid hydrogen storage material returns to the atomizer 8 through the reflux pump 13, the above processes are repeated until the organic hydrogen storage material reaches a saturated state, and then the organic hydrogen storage material is conveyed to a dehydrogenation process from the liquid outlet 11 through the sampling valve 12, and high-purity hydrogen can be obtained after dehydrogenation treatment. The gas outlet is provided with a vacuum pump 14, when the organic hydrogen storage material reaches a saturated state, the vacuum pump 14 is opened, and the impurity gas dissolved in the organic hydrogen storage material is removed through vacuum decompression. The heat exchanger 15 provides heat for the organic hydrogen storage material, so that the hydrogenation reaction temperature is controlled within a certain range.
The device for storing the hydrogen in the coke oven gas stores the hydrogen in the coke oven gas by utilizing the chemical reaction between the organic hydrogen storage material and the hydrogen, and removes the impurity gas physically adsorbed in the organic hydrogen storage material by utilizing the vacuum pump. The device improves the hydrogenation reaction rate through the hydrogenation reaction catalyst, stores hydrogen in the coke oven gas in the organic hydrogen storage material, and also purifies the hydrogen in the hydrogen storage process, thereby providing a new method for preparing hydrogen from the coke oven gas. In addition, the saturated organic hydrogen storage material does not belong to dangerous goods and explosive goods, and the potential safety hazard of hydrogen transportation by the existing long-tube trailer is solved.
The above description is only a preferred example of the present invention and should not be taken as limiting the invention, and any modification, equivalent replacement or improvement that is within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. A device for storing hydrogen in coke oven gas comprises a hydrogen storage device base (1), wherein a shell (2) is supported on the hydrogen storage device base (1), a support frame (5) is installed at the bottom in the shell (2), loaded hydrogenation catalyst carriers (4) are stacked on the support frame (5) layer by layer, a liquid discharge port (11) is formed in the bottom surface of the shell (2), a sampling valve (12) is installed on the liquid discharge port (11), the liquid discharge port (11) is connected with a reflux pump (13) through a pipeline, the reflux pump (13) is connected with a tube pass inlet of a heat exchanger (15), a tube pass outlet of the heat exchanger (15) is connected with a liquid hydrogen storage material inlet (16) in the upper part of the shell (2) through a pipeline, the liquid hydrogen storage material inlet (16) is connected with an atomizer (8) positioned at the top in the shell (2), and the atomizer (8) is positioned above the surface layer of the loaded hydrogenation catalyst carriers (4), the top surface of the shell (2) is provided with a gas outlet (9), a demister (10) is arranged at the gas outlet in the shell (2), and a coke oven gas inlet (7) is arranged below the support frame (5) at the bottom of the shell (2).
2. The device for storing hydrogen in coke oven gas as claimed in claim 1, wherein: and a plurality of thermocouple thermometers (6) are arranged on the shell (2).
3. The device for storing hydrogen in coke oven gas as claimed in claim 1, wherein: and a heat-insulating layer (3) is arranged outside the shell (2).
4. The device for storing hydrogen in coke oven gas as claimed in claim 1, wherein: the gas outlet (9) is connected with a vacuum pump (14) through a pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921436851.5U CN210687762U (en) | 2019-09-02 | 2019-09-02 | Device for storing hydrogen in coke oven gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921436851.5U CN210687762U (en) | 2019-09-02 | 2019-09-02 | Device for storing hydrogen in coke oven gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210687762U true CN210687762U (en) | 2020-06-05 |
Family
ID=70885460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921436851.5U Expired - Fee Related CN210687762U (en) | 2019-09-02 | 2019-09-02 | Device for storing hydrogen in coke oven gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210687762U (en) |
-
2019
- 2019-09-02 CN CN201921436851.5U patent/CN210687762U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200605 |
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| CF01 | Termination of patent right due to non-payment of annual fee |