CN112225177A - Hydrogen purification equipment and working method thereof - Google Patents
Hydrogen purification equipment and working method thereof Download PDFInfo
- Publication number
- CN112225177A CN112225177A CN202011113441.4A CN202011113441A CN112225177A CN 112225177 A CN112225177 A CN 112225177A CN 202011113441 A CN202011113441 A CN 202011113441A CN 112225177 A CN112225177 A CN 112225177A
- Authority
- CN
- China
- Prior art keywords
- hydrogen
- pressure
- pipe
- swing adsorption
- pressure swing
- Prior art date
- 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.)
- Withdrawn
Links
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 207
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 206
- 239000001257 hydrogen Substances 0.000 title claims abstract description 206
- 238000000746 purification Methods 0.000 title claims abstract description 64
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000001179 sorption measurement Methods 0.000 claims abstract description 130
- 239000003054 catalyst Substances 0.000 claims abstract description 60
- 239000007789 gas Substances 0.000 claims abstract description 36
- 238000011156 evaluation Methods 0.000 claims abstract description 28
- 238000007405 data analysis Methods 0.000 claims abstract description 16
- 238000012545 processing Methods 0.000 claims description 47
- 238000005192 partition Methods 0.000 claims description 16
- 238000000926 separation method Methods 0.000 claims description 15
- 238000011084 recovery Methods 0.000 claims description 13
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 12
- 238000001914 filtration Methods 0.000 claims description 12
- 238000004458 analytical method Methods 0.000 claims description 10
- 238000007639 printing Methods 0.000 claims description 9
- 230000002159 abnormal effect Effects 0.000 claims description 8
- 238000012935 Averaging Methods 0.000 claims description 6
- 101000713575 Homo sapiens Tubulin beta-3 chain Proteins 0.000 claims description 6
- 102100036790 Tubulin beta-3 chain Human genes 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 239000002808 molecular sieve Substances 0.000 claims description 4
- 229920002401 polyacrylamide Polymers 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 239000000741 silica gel Substances 0.000 claims description 4
- 229910002027 silica gel Inorganic materials 0.000 claims description 4
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims description 4
- 229940028231 symax Drugs 0.000 claims description 4
- 101000878595 Arabidopsis thaliana Squalene synthase 1 Proteins 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 101000713585 Homo sapiens Tubulin beta-4A chain Proteins 0.000 claims description 3
- 102100036788 Tubulin beta-4A chain Human genes 0.000 claims description 3
- 229910021536 Zeolite Inorganic materials 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 239000005078 molybdenum compound Substances 0.000 claims description 3
- 150000002752 molybdenum compounds Chemical class 0.000 claims description 3
- -1 nickel aluminum tin Chemical compound 0.000 claims description 3
- 239000011973 solid acid Substances 0.000 claims description 3
- 239000012974 tin catalyst Substances 0.000 claims description 3
- 239000010457 zeolite Substances 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 2
- 238000010521 absorption reaction Methods 0.000 claims 3
- 238000009434 installation Methods 0.000 claims 2
- 238000005516 engineering process Methods 0.000 description 5
- 230000002146 bilateral effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009967 tasteless effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- 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
- C01B3/56—Separation of hydrogen or hydrogen containing gases from gaseous mixtures, e.g. purification by contacting with solids; Regeneration of used solids
- C01B3/58—Separation of hydrogen or hydrogen containing gases from gaseous mixtures, e.g. purification by contacting with solids; Regeneration of used solids including a catalytic reaction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/12—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
- B01D53/047—Pressure swing adsorption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
- B01J20/26—Synthetic macromolecular compounds
- B01J20/261—Synthetic macromolecular compounds obtained by reactions only involving carbon to carbon unsaturated bonds
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0062—General constructional details of gas analysers, e.g. portable test equipment concerning the measuring method or the display, e.g. intermittent measurement or digital display
- G01N33/0063—General constructional details of gas analysers, e.g. portable test equipment concerning the measuring method or the display, e.g. intermittent measurement or digital display using a threshold to release an alarm or displaying means
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
- G06F30/28—Design optimisation, verification or simulation using fluid dynamics, e.g. using Navier-Stokes equations or computational fluid dynamics [CFD]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2256/00—Main component in the product gas stream after treatment
- B01D2256/16—Hydrogen
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
- C01B2203/04—Integrated processes for the production of hydrogen or synthesis gas containing a purification step for the hydrogen or the synthesis gas
- C01B2203/042—Purification by adsorption on solids
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Organic Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Environmental & Geological Engineering (AREA)
- Combustion & Propulsion (AREA)
- Theoretical Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Mathematical Physics (AREA)
- Pure & Applied Mathematics (AREA)
- Computer Hardware Design (AREA)
- Evolutionary Computation (AREA)
- Geometry (AREA)
- Mathematical Analysis (AREA)
- Fluid Mechanics (AREA)
- Mathematical Optimization (AREA)
- Computing Systems (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Algebra (AREA)
- Biomedical Technology (AREA)
- Separation Of Gases By Adsorption (AREA)
Abstract
The invention discloses equipment for purifying hydrogen and a working method thereof, wherein the equipment comprises a cyclone separator, a catalyst placing box, a pressure swing adsorption box, a safety evaluation module and a data analysis module, wherein one side of a third connecting pipe, which is far away from a gas buffer tank, is connected with the cyclone separator; the safety evaluation module is used for evaluating the safety performance of the hydrogen purification equipment and sending the evaluation result to the controller, and the data analysis module is used for analyzing the hydrogen purification data.
Description
Technical Field
The invention belongs to the technical field of hydrogen purification, and relates to hydrogen purification equipment, in particular to hydrogen purification equipment and a working method thereof.
Background
Hydrogen is extremely easy to burn at normal temperature and pressure. Colorless and transparent, odorless and tasteless, and insoluble in water. Hydrogen is the least dense gas known in the world, and its density is only 1/14 for air, i.e., 0.089g/L at 1 atm and 0 ℃. Therefore, the hydrogen can be used as filling gas of airship and hydrogen balloon, is the substance with the minimum relative molecular mass, has strong reducibility, and is often used as a reducing agent to participate in chemical reaction. In practical use, hydrogen is often purified, and hydrogen purification is an application of pressure swing adsorption separation technology in a hydrogen purification device.
Well-known hydrogen purification technologies comprise cyclone separation, catalytic treatment, pressure swing adsorption and other technologies, a single technology is mostly adopted in the current hydrogen purification scheme, and multiple hydrogen purification processes are not combined and matched for use, so that the purity of hydrogen purification is poor; moreover, when hydrogen is purified, effective analysis on hydrogen purification data cannot be performed, so that the purity of hydrogen purification is poor, the purification safety cannot be evaluated in the hydrogen purification process, and potential safety hazards are easily caused.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide hydrogen purification equipment and a working method thereof.
The technical problem to be solved by the invention is as follows:
(1) the current hydrogen purification scheme mostly adopts a single technology, and multiple hydrogen purification processes are not combined and matched, so that the purity of hydrogen purification is poor;
(2) when hydrogen is purified, effective analysis can not be carried out on hydrogen purification data, so that the purity of hydrogen purification is poor, the purification safety can not be evaluated in the hydrogen purification process, and potential safety hazards are easily caused.
The purpose of the invention can be realized by the following technical scheme:
a hydrogen purification device comprises an air compressor, wherein one side of the air compressor is connected with an air inlet pipe, the other side of the air compressor is connected with a first connecting pipe, one end, away from the air compressor, of the first connecting pipe is connected with a gas buffer tank, one side of the gas buffer tank is connected with a third connecting pipe, one side, away from the gas buffer tank, of the third connecting pipe is connected with a cyclone separator, the upper side of the cyclone separator is connected with a second connecting pipe, one side, away from the cyclone separator, of the second connecting pipe is provided with a tubular processing assembly, one side of the tubular processing assembly is connected with a hydrogen pipeline, a mass flow meter is mounted on the hydrogen pipeline, and a first control valve is mounted on the hydrogen pipeline and on one side, located;
the tubular processing component comprises a processing pipe, a catalyst placing box, a partition plate, a gas outlet, air holes, air passing holes, mounting grooves, mounting rods and a gas inlet, wherein the upper end of the second connecting pipe is connected with one end of the processing pipe, the other end of the processing pipe is connected with one end of a hydrogen pipeline, a plurality of catalyst placing boxes are mounted in the processing pipe, the partition plate is mounted in each catalyst placing box, a plurality of air passing holes are formed in the partition plate, the air passing holes are formed in the connecting parts of the catalyst placing boxes, the mounting grooves are symmetrically formed in the two side walls of the processing pipe, the mounting rods are symmetrically mounted at the two ends of the catalyst placing boxes and embedded into the mounting grooves, the gas inlet is formed in the catalyst placing boxes, the gas outlet is formed in the catalyst placing boxes and on the other side of the, one side of the hydrogen pipeline, which is far away from the tubular processing component, is provided with a pressure swing adsorption component.
Further, the pressure swing adsorption component comprises a sealing door, a pressure swing adsorption tank, a reverse pressure pipe, a first adsorption filter layer, a separation connecting block, a hydrogen outlet pipe, a forward pressure pipe and a second adsorption filter layer, the hydrogen pipeline is connected with the pressure swing adsorption tank, the reverse pressure pipe is connected to the upper side of the pressure swing adsorption tank, the lower side of the pressure swing adsorption tank is connected with the forward pressure pipe, the hydrogen outlet pipe is installed on one side of the pressure swing adsorption tank, the other side of the pressure swing adsorption tank, which is positioned on the hydrogen outlet pipe, is connected with a recovery pipe, the pressure swing adsorption tank is connected with a cyclone separator through the recovery pipe, a second control valve is installed on the recovery pipe, the first adsorption filter layer is installed inside the pressure swing adsorption tank, the separation connecting block is installed inside the pressure swing adsorption tank and positioned on the lower side of the first adsorption, all install the solenoid valve on consequent pressure pipe, reverse pressure pipe and the hydrogen exit tube, the controller is installed to pressure swing adsorption case one side and the top that is located the hydrogen exit tube, hydrogen purity measuring apparatu is installed to inside bilateral symmetry about the pressure swing adsorption case, and hydrogen purity measuring apparatu is model TD-HP 200Q's online hydrogen purity analysis appearance.
Further, the catalyst placing box is filled with a catalyst, and the catalyst is one or more of a copper-based catalyst, a zeolite and molybdenum compound catalyst, a nickel-aluminum-tin catalyst and a solid acid catalyst.
Further, the first adsorption filtration layer and the second adsorption filtration layer consist of the following components in parts by weight: 2-5 parts of silica gel, 5-10 parts of alumina, 10-20 parts of activated carbon, 15-20 parts of polyacrylamide and 2-4 parts of carbon molecular sieve.
Further, the controller comprises a data acquisition module, a safety evaluation module, a data analysis module, a database and a generating and printing module;
the controller is wirelessly connected with a display module, the display module is a display screen on the hydrogen purification equipment, and the display module is used for displaying the analysis result of the data analysis module and the evaluation result of the safety evaluation module; the data acquisition module is used for acquiring hydrogen purification data and sending the hydrogen purification data to the controller; the safety evaluation module is used for evaluating the safety performance of the hydrogen purification equipment and sending the evaluation result to the controller; the database is used for storing preset data of hydrogen purification and storing real-time data of hydrogen purification equipment; the data analysis module is used for analyzing the hydrogen purification data, and the specific analysis process is as follows:
s1: setting a plurality of time points t, t is 1, … …, n; acquiring pressure values SYt of the forward pressure pipe at a plurality of time points to obtain a maximum pressure value SYmax and a minimum pressure value SYmin of the forward pressure pipe, and adding and averaging to obtain a pressure average value SYp of the forward pressure pipe;
s2: obtaining NYt pressure values of the reverse pressure pipe at a plurality of time points, obtaining a maximum pressure value Nymax and a minimum pressure value Nymin of the reverse pressure pipe, and adding and averaging to obtain a pressure average value NYp of the reverse pressure pipe;
s3: acquiring the hydrogen purity of the upper side inside the pressure swing adsorption tank, and marking the hydrogen purity of the upper side inside the pressure swing adsorption tank as Cs;
s4: acquiring the hydrogen purity of the inner lower side of the pressure swing adsorption tank, and marking the hydrogen purity of the inner lower side of the pressure swing adsorption tank as Cx;
s5: calculating a normal value Q of the hydrogen purity by using a formula, wherein the specific formula is as follows:
s6: comparing the normal value Q of the hydrogen purity with a set range threshold, if the normal value Q of the hydrogen purity is within the set range threshold, generating a normal signal of the hydrogen purity, and if the normal value Q of the hydrogen purity is not within the set range threshold, generating an abnormal signal of the hydrogen purity;
s7: the hydrogen purity normal signal and the hydrogen purity abnormal signal are sent to a display module;
and the generating and printing module is used for generating a report form from the data analysis result and the safety evaluation result and printing the report form.
Further, the specific evaluation steps of the security evaluation module are as follows:
SS 1: respectively acquiring the upper pressure limit value and the lower pressure limit value of an air compressor, a gas buffer tank, a processing pipe, a pressure swing adsorption tank and a cyclone separator, wherein the upper pressure limit value and the lower pressure limit value are sequentially marked as Ysk, Yxk, Ysq, Yxq, Ysc, Yxc, Ysb, Yxb, Ysx and Yxx;
SS 2: acquiring pressure values of the air compressor, the air buffer tank, the processing pipe, the pressure swing adsorption box and the cyclone separator at a plurality of time points, wherein the pressure values are sequentially marked as Ykt, Yqt, Yct, Yb and Yxt;
SS 3: using formulas
Calculating to obtain a pressure deviation value YKP of the air compressor, and analogizing to obtain pressure deviation values YQP, YCP, YBP and YXP of the gas buffer tank, the processing pipe, the pressure swing adsorption box and the cyclone separator respectively;
SS 4: distributing preset proportional coefficient fixed values X1, X2, X3, X4 and X5 to the pressure deviation values of an air compressor, a gas buffer tank, a processing tube, a pressure swing adsorption box and a cyclone separator in sequence, and obtaining a total pressure deviation value YP by using a formula YP which is YKP multiplied by X1+ YQP multiplied by X2+ YCP multiplied by X3+ YBP multiplied by X4+ YXP multiplied by X5;
SS 4: setting a preset pressure bias threshold value Yg, wherein g is 1, 2 and 3, and Y1 is more than Y2 and less than Y3;
SS 5: comparing the threat value YP with a preset threat value threshold value, and judging the threat level;
if YP is larger than Y3, generating a primary threat instruction and sending the primary threat instruction to a display module;
if Y2 is larger than YP and is not larger than Y3, generating a secondary threat instruction, and sending the secondary threat instruction to a display module;
if Y1 is larger than YP and is not larger than Y2, generating a three-level threat instruction and sending the three-level threat instruction to a display module;
and if the YP is less than or equal to Y1, generating a safety instruction, and sending the safety instruction to a display module, wherein the primary threat instruction is greater than the secondary threat instruction and is greater than the tertiary threat instruction and is greater than the safety instruction.
A working method for hydrogen purification comprises the following steps:
step one, an air compressor works, hydrogen enters a gas buffer tank through an air inlet pipe and a first connecting pipe and enters a cyclone separator through a third connecting pipe, the hydrogen is subjected to gas-solid separation in the cyclone separator, and the hydrogen subjected to the gas-solid separation enters a treatment pipe through a second connecting pipe;
secondly, a catalyst placing box is installed in the processing pipe through an installing rod, a partition board is installed inside the catalyst placing box, a plurality of air holes are formed in the partition board, hydrogen enters the catalyst placing box through the air inlet, the hydrogen is fully contacted with a catalyst in the catalyst placing box to generate a chemical reaction, the hydrogen flows through the air holes and the air passing holes, and finally flows out of the catalyst placing box through the air outlet;
step three, after the first control valve is opened, hydrogen enters a pressure swing adsorption tank through a hydrogen pipeline, a reverse pressure pipe, a forward pressure pipe, a first adsorption filter layer and a second adsorption filter layer are installed inside the pressure swing adsorption tank, the forward pressure pipe is communicated with external pressure equipment and then releases pressure in a forward direction, the hydrogen is adsorbed and filtered through the first adsorption filter layer and the second adsorption filter layer, filtered high-purity hydrogen flows out through a hydrogen outlet pipe, after the first adsorption filter layer and the second adsorption filter layer are used for a long time, the reverse pressure pipe is communicated with the external pressure equipment and then releases pressure in a reverse direction, and impurities adsorbed on the first filter layer and the second filter layer are desorbed and discharged out of the pressure swing adsorption tank;
and fourthly, a controller is arranged on one side of the pressure swing adsorption tank and above the hydrogen outlet pipe, the controller analyzes the hydrogen purification data and evaluates the safety performance of the hydrogen purification equipment, the second control valves are opened when the hydrogen purity does not meet the standard, and the hydrogen in the pressure swing adsorption tank returns to the cyclone separator through the recovery pipe.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention realizes the combined matching use of various hydrogen purification processes by the matching use of the cyclone separator, the catalyst treatment pipe and the pressure swing adsorption tank, thereby greatly improving the purity of hydrogen purification;
2. when the hydrogen is purified, the purity of the purified hydrogen is effectively analyzed and detected through the data analysis module, the purity of the purified hydrogen is greatly improved, the safety performance of the hydrogen purification equipment is evaluated through the safety evaluation module, and safety accidents in the hydrogen purification process are avoided.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an elevational, cross-sectional view of a process tube according to the invention;
FIG. 3 is a front sectional view of a pressure swing adsorption tank of the present invention;
fig. 4 is a block diagram of the system of the present invention.
In the figure: 1. an air inlet pipe; 2. an air compressor; 3. a first connecting pipe; 4. a gas buffer tank; 5. a second connecting pipe; 6. a tubular processing component; 7. a mass flow meter; 8. a first control valve; 9. a pressure swing adsorption assembly; 10. a hydrogen gas conduit; 11. a cyclone separator; 12. a third connecting pipe; 13. a sealing door; 14. a second control valve; 15. a recovery pipe; 16. a controller; 61. a treatment tube; 62. a catalyst placement box; 63. a partition plate; 64. an air outlet; 65. air holes are formed; 66. air passing holes; 67. mounting grooves; 68. mounting a rod; 69. an air inlet; 91. a pressure swing adsorption tank; 92. a reverse pressure pipe; 93. a first adsorption filtration layer; 94. blocking the connecting block; 95. a hydrogen outlet pipe; 96. a forward pressure tube; 97. the second adsorption filtration layer.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
referring to fig. 1 to 4, an apparatus for hydrogen purification includes an air compressor 2, one side of the air compressor 2 is connected with an air inlet pipe 1, the other side of the air compressor 2 is connected with a first connecting pipe 3, one end of the first connecting pipe 3, which is far away from the air compressor 2, is connected with a gas buffer tank 4, one side of the gas buffer tank 4 is connected with a third connecting pipe 12, a cyclone separator 11 is connected to one side of the third connecting pipe 12 far away from the gas buffer tank 4, the upper side of the cyclone separator 11 is connected with a second connecting pipe 5, one side of the second connecting pipe 5 far away from the cyclone separator 11 is provided with a tubular processing component 6, one side of the tubular processing component 6 is connected with a hydrogen pipeline 10, a mass flow meter 7 is arranged on the hydrogen pipeline 10, a first control valve 8 is mounted on the hydrogen pipeline 10 and on one side of the mass flow meter 7.
Wherein, the tubular processing assembly 6 comprises a processing tube 61, a catalyst placing box 62, a partition plate 63, an air outlet 64, air holes 65, air passing holes 66, a mounting groove 67, a mounting rod 68 and an air inlet 69, the upper end of the second connecting tube 5 is connected with one end of the processing tube 61, the other end of the processing tube 61 is connected with one end of the hydrogen pipeline 10, the processing tube 61 is internally provided with a plurality of catalyst placing boxes 62, the catalyst placing box 62 is internally provided with the partition plate 63, the partition plate 63 is internally provided with a plurality of air holes 65, the catalyst placing box 62 is connected with the air passing holes 66, the mounting grooves 67 are symmetrically formed on two side walls in the processing tube 61, the mounting rods 68 are symmetrically mounted at two ends of the catalyst placing box 62, the mounting rods 68 are embedded into the mounting groove 67, the catalyst placing box 62 is internally provided with the air inlet 69, an air outlet 64 is arranged on the other side of the catalyst placing box 62, which is positioned at the air inlet 69, and a pressure swing adsorption assembly 9 is arranged on one side of the hydrogen pipeline 10, which is far away from the tubular processing assembly 6.
Wherein, the pressure swing adsorption component 9 includes sealing door 13, pressure swing adsorption tank 91, reverse pressure pipe 92, first adsorption filter layer 93, separation connecting block 94, hydrogen exit tube 95, cisoid pressure pipe 96 and second adsorption filter layer 97, the hydrogen pipeline 10 is connected with pressure swing adsorption tank 91, the pressure swing adsorption tank 91 upside is connected with reverse pressure pipe 92, pressure swing adsorption tank 91 downside is connected with cisoid pressure pipe 96, hydrogen exit tube 95 is installed to pressure swing adsorption tank 91 one side, the opposite side that just is located hydrogen exit tube 95 on the pressure swing adsorption tank 91 is connected with recovery tube 15, pressure swing adsorption tank 91 is connected with cyclone 11 through recovery tube 15, install second control valve 14 on the recovery tube 15, pressure swing adsorption tank 91 internally mounted has first adsorption filter layer 93, separation connecting block 94 is installed to the inside and the first adsorption filter layer 93 that just is located of pressure swing adsorption tank 91 downside, the second adsorption filtration layer 97 is installed to separation connecting block 94 inboard, all installs the solenoid valve on consequent pressure pipe 96, reverse pressure pipe 92 and the hydrogen exit tube 95, controller 16 is installed to pressure swing adsorption tank 91 one side and the top that is located hydrogen exit tube 95, hydrogen purity measuring apparatu is installed to bilateral symmetry about pressure swing adsorption tank 91 is inside, and hydrogen purity measuring apparatu is model TD-HP 200Q's online hydrogen purity analysis appearance.
Wherein the catalyst placing case 62 is filled with a catalyst which is one or more of a copper-based catalyst, a zeolite and molybdenum compound catalyst, a nickel-aluminum-tin catalyst, and a solid acid catalyst.
Wherein the first adsorption filtration layer 93 and the second adsorption filtration layer 97 are composed of the following components in parts by weight: 2 parts of silica gel, 5 parts of alumina, 10 parts of activated carbon, 15 parts of polyacrylamide and 2 parts of carbon molecular sieve.
The controller 16 comprises a data acquisition module, a safety evaluation module, a data analysis module, a database and a generating and printing module;
the controller 16 is in wireless connection with a display module, the display module is a display screen on the hydrogen purification equipment, the display module is used for displaying the analysis result of the data analysis module and the evaluation result of the safety evaluation module, and the display module specifically comprises the following display steps:
k1: when the display module receives the primary threat instruction, the display screen displays the character eyes of the primary threat instruction, the character style is thickened and inclined, and the background color is set to be red;
k2: when the display module receives the secondary threat instruction, the display screen displays the words of the secondary threat instruction, the fonts are thickened, and the background color is set to be orange;
k3: when the display module receives the third-level threat instruction, the display screen displays the word eye of the third-level threat instruction and the standard font, and sets the background color to yellow;
k4: when the display module receives the safety instruction, the display screen displays the safety instruction character eye and the standard character, and the background color is set to be green.
The data acquisition module is used for acquiring hydrogen purification data and sending the hydrogen purification data to the controller 16; the safety evaluation module is used for evaluating the safety performance of the hydrogen purification equipment and sending the evaluation result to the controller 16, and the specific evaluation steps of the safety evaluation module are as follows:
SS 1: respectively acquiring upper pressure limit values and lower pressure limit values of the air compressor 2, the gas buffer tank 4, the processing pipe 61, the pressure swing adsorption tank 91 and the cyclone separator 11, which are sequentially marked as Ysk, Yxk, Ysq, Yxq, Ysc, Yxc, Ysb, Yxb, Ysx and Yxx;
SS 2: pressure values of the air compressor 2, the gas buffer tank 4, the processing pipe 61, the pressure swing adsorption tank 91 and the cyclone separator 11 at a plurality of time points are obtained and are sequentially marked as Ykt, Yqt, Yct, Yb and Yxt;
SS 3: using formulas
Calculating to obtain a pressure deviation value YKP of the air compressor 2, and by analogy, obtaining pressure deviation values YQP, YCP, YBP and YXP of the gas buffer tank 4, the processing pipe 61, the pressure swing adsorption tank 91 and the cyclone separator 11 respectively;
SS 4: distributing preset proportional coefficient fixed values X1, X2, X3, X4 and X5 to pressure deviation values of the air compressor 2, the gas buffer tank 4, the processing pipe 61, the pressure swing adsorption box 91 and the cyclone separator 11 in sequence, and obtaining a total pressure deviation value YP by using a formula YP which is YKP multiplied by X1+ YQP multiplied by X2+ YCP multiplied by X3+ YBP multiplied by X4+ YXP multiplied by X5;
SS 4: setting a preset pressure bias threshold value Yg, wherein g is 1, 2 and 3, and Y1 is more than Y2 and less than Y3;
SS 5: comparing the threat value YP with a preset threat value threshold value, and judging the threat level;
if YP is larger than Y3, generating a primary threat instruction and sending the primary threat instruction to a display module;
if Y2 is larger than YP and is not larger than Y3, generating a secondary threat instruction, and sending the secondary threat instruction to a display module;
if Y1 is larger than YP and is not larger than Y2, generating a three-level threat instruction and sending the three-level threat instruction to a display module;
and if the YP is less than or equal to Y1, generating a safety instruction, and sending the safety instruction to a display module, wherein the primary threat instruction is greater than the secondary threat instruction and is greater than the tertiary threat instruction and is greater than the safety instruction.
The database is used for storing preset data of hydrogen purification and storing real-time data of hydrogen purification equipment; the data analysis module is used for analyzing the hydrogen purification data, and the specific analysis process is as follows:
s1: setting a plurality of time points t, t is 1, … …, n; acquiring pressure values SYt of the forward pressure pipe 96 at a plurality of time points, acquiring a maximum pressure value SYmax and a minimum pressure value SYmin of the forward pressure pipe 96, and adding and averaging to obtain a pressure average value SYp of the forward pressure pipe 96;
s2: acquiring pressure values NYt of the reverse pressure pipe 92 at a plurality of time points, acquiring a maximum pressure value Nymax and a minimum pressure value Nymin of the reverse pressure pipe 92, and adding and averaging to obtain a pressure average value NYp of the reverse pressure pipe 92;
s3: acquiring the hydrogen purity of the upper side inside the pressure swing adsorption tank 91, and marking the hydrogen purity of the upper side inside the pressure swing adsorption tank 91 as Cs;
s4: acquiring the hydrogen purity of the lower side inside the pressure swing adsorption tank 91, and marking the hydrogen purity of the lower side inside the pressure swing adsorption tank 91 as Cx;
s5: calculating a normal value Q of the hydrogen purity by using a formula, wherein the specific formula is as follows:
s6: comparing the normal value Q of the hydrogen purity with a set range threshold, if the normal value Q of the hydrogen purity is within the set range threshold, generating a normal signal of the hydrogen purity, and if the normal value Q of the hydrogen purity is not within the set range threshold, generating an abnormal signal of the hydrogen purity;
s7: the hydrogen purity normal signal and the hydrogen purity abnormal signal are sent to a display module;
and the generating and printing module is used for generating a report form from the data analysis result and the safety evaluation result and printing the report form.
Example two:
the difference between this embodiment and the first embodiment is that the first adsorption filtration layer 93 and the second adsorption filtration layer 97 are composed of the following components in parts by weight: 5 parts of silica gel, 10 parts of alumina, 20 parts of activated carbon, 20 parts of polyacrylamide and 4 parts of carbon molecular sieve.
Example three:
referring to fig. 1-4, a working method of hydrogen purification includes the following steps:
step one, an air compressor 2 works, hydrogen enters a gas buffer tank 4 through an air inlet pipe 1 and a first connecting pipe 3 and enters a cyclone separator 11 through a third connecting pipe 12, the hydrogen is subjected to gas-solid separation in the cyclone separator 11, and the hydrogen subjected to the gas-solid separation enters a treatment pipe 61 through a second connecting pipe 5;
step two, a catalyst placing box 62 is arranged in the processing pipe 61 through a mounting rod 68, a partition plate 63 is arranged in the catalyst placing box 62, a plurality of air holes 65 are formed in the partition plate 63, hydrogen enters the catalyst placing box 62 through an air inlet 69, the hydrogen is fully contacted with a catalyst in the catalyst placing box 62 to generate a chemical reaction, and the hydrogen flows through the plurality of air holes 65 and air holes 66 and finally flows out of the catalyst placing box 62 through an air outlet 64;
step three, after the first control valve is opened, hydrogen enters the pressure swing adsorption tank 91 through the hydrogen pipeline 10, a reverse pressure pipe 92, a forward pressure pipe 96, a first adsorption filter layer 93 and a second adsorption filter layer 97 are installed inside the pressure swing adsorption tank 91, forward pressure relief is carried out after the forward pressure pipe 96 is communicated with external pressure equipment, the hydrogen is adsorbed and filtered through the first adsorption filter layer 93 and the second adsorption filter layer 97, filtered high-purity hydrogen flows out through a hydrogen outlet pipe 95, after the first adsorption filter layer 93 and the second adsorption filter layer 97 are used for a long time, reverse pressure relief is carried out after the reverse pressure pipe 92 is communicated with the external pressure equipment, and impurities adsorbed on the first filter layer and the second filter layer are desorbed and discharged out of the pressure swing adsorption tank 91;
step four, a controller 16 is installed on one side of the pressure swing adsorption tank 91 and above the hydrogen outlet pipe 95, the controller 16 analyzes hydrogen purification data and evaluates the safety performance of hydrogen purification equipment, a data analysis module is used for analyzing the hydrogen purification data, a plurality of time points t are set, pressure values SYt of the forward pressure pipe 96 at a plurality of time points are obtained, a pressure maximum value SYmax and a pressure minimum value SYmin of the forward pressure pipe 96 are obtained, an average value is added to obtain a pressure average value SYp of the forward pressure pipe 96, then pressure values NYt of the reverse pressure pipe 92 at a plurality of time points are obtained, a pressure maximum value Nymax and a pressure minimum value Nymin of the reverse pressure pipe 92 are obtained, and an average value is added to obtain a pressure average value NYp of the reverse pressure pipe 92; obtaining the hydrogen purity Cs at the upper side inside the pressure swing adsorption tank 91 and the hydrogen purity Cx at the lower side inside the pressure swing adsorption tank 91; using formulas
Calculating to obtain a normal hydrogen purity value Q, comparing the normal hydrogen purity value Q with a set range threshold, generating a normal hydrogen purity signal if the normal hydrogen purity value Q is within the set range threshold, generating an abnormal hydrogen purity signal if the normal hydrogen purity value Q is not within the set range threshold, and sending the normal hydrogen purity signal and the abnormal hydrogen purity signal to a display module;
the safety evaluation module is used for evaluating the safety performance of the hydrogen purification equipment, and firstly, the pressure upper limit value and the pressure lower limit value of the air compressor 2, the gas buffer tank 4, the processing pipe 61, the pressure swing adsorption tank 91 and the cyclone separator 11 are obtained, and the pressure values of the air compressor 2, the gas buffer tank 4, the processing pipe 61, the pressure swing adsorption tank 91 and the cyclone separator 11 at a plurality of time points are obtained; using formulas
Calculating to obtain a pressure deviation value YKP of the air compressor 2, and obtaining pressure deviation values YQP, YCP, YBP and Y of the gas buffer tank 4, the processing pipe 61, the pressure swing adsorption tank 91 and the cyclone separator 11 by analogyXP, distributing preset fixed proportional coefficient values X1, X2, X3, X4 and X5 to the pressure deviation values of the air compressor 2, the gas buffer tank 4, the processing pipe 61, the pressure swing adsorption box 91 and the cyclone separator 11 in sequence, obtaining a pressure deviation total value YP by using a formula YP of YKP multiplied by X1+ YQP multiplied by X2+ YCP multiplied by X3+ YBP multiplied by X4+ YXP multiplied by X5, setting a preset pressure deviation threshold value Yg, comparing the threat value YP with the preset threat value threshold value, and judging the threat level; if YP is larger than Y3, generating a primary threat instruction, sending the primary threat instruction to a display module, if Y2 is larger than YP and is not larger than Y3, generating a secondary threat instruction, sending the secondary threat instruction to the display module, if Y1 is larger than YP and is not larger than Y2, generating a tertiary threat instruction, sending the tertiary threat instruction to the display module, and if YP is not larger than Y1, generating a safety instruction, and sending the safety instruction to the display module;
when the purity of the hydrogen is not up to the standard, the second control valves 14 are opened, and the hydrogen in the pressure swing adsorption tank 91 is returned to the cyclone separator 11 through the recovery pipe 15.
The above formulas are all quantitative calculation, the formula is a formula obtained by acquiring a large amount of data and performing software simulation to obtain the latest real situation, and the preset parameters in the formula are set by the technical personnel in the field according to the actual situation.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (7)
1. The equipment for purifying the hydrogen comprises an air compressor (2) and is characterized in that one side of the air compressor (2) is connected with an air inlet pipe (1), the other side of the air compressor (2) is connected with a first connecting pipe (3), one end, far away from the air compressor (2), of the first connecting pipe (3) is connected with a gas buffer tank (4), one side of the gas buffer tank (4) is connected with a third connecting pipe (12), one side, far away from the gas buffer tank (4), of the third connecting pipe (12) is connected with a cyclone separator (11), the upper side of the cyclone separator (11) is connected with a second connecting pipe (5), one side, far away from the cyclone separator (11), of the second connecting pipe (5) is provided with a tubular processing component (6), one side of the tubular processing component (6) is connected with a hydrogen pipeline (10), and the hydrogen pipeline (10) is provided with a mass flow meter (7, a first control valve (8) is arranged on the hydrogen pipeline (10) and positioned on one side of the mass flow meter (7);
the tubular processing assembly (6) comprises a processing pipe (61), a catalyst placing box (62), a partition plate (63), an air outlet (64), air holes (65), air passing holes (66), a mounting groove (67), a mounting rod (68) and an air inlet (69), wherein the upper end of a second connecting pipe (5) is connected with one end of the processing pipe (61), the other end of the processing pipe (61) is connected with one end of a hydrogen pipeline (10), the processing pipe (61) is internally provided with a plurality of catalyst placing boxes (62), the catalyst placing boxes (62) are internally provided with a plurality of partition plates (63), the partition plates (63) are internally provided with a plurality of air passing holes (65) and a plurality of catalyst placing box (62) connecting parts, the mounting grooves (67) are symmetrically formed on two inner side walls of the processing pipe (61), the utility model discloses a catalyst treatment device, including catalyst placing box (62), installation pole (68) are installed to the both ends symmetry of catalyst placing box (62), installation pole (68) are embedded into mounting groove (67) inside, the catalyst placing box (62) is inside to be seted up air inlet (69), the catalyst placing box (62) is inside and the opposite side that is located air inlet (69) has seted up gas outlet (64), one side that tubular processing assembly (6) were kept away from in hydrogen pipeline (10) is provided with pressure swing adsorption component (9).
2. The equipment for purifying hydrogen according to claim 1, wherein the pressure swing adsorption assembly (9) comprises a sealing door (13), a pressure swing adsorption tank (91), a reverse pressure pipe (92), a first adsorption filter layer (93), a blocking connection block (94), a hydrogen outlet pipe (95), a forward pressure pipe (96) and a second adsorption filter layer (97), the hydrogen pipeline (10) is connected with the pressure swing adsorption tank (91), the reverse pressure pipe (92) is connected to the upper side of the pressure swing adsorption tank (91), the forward pressure pipe (96) is connected to the lower side of the pressure swing adsorption tank (91), the hydrogen outlet pipe (95) is installed at one side of the pressure swing adsorption tank (91), a recovery pipe (15) is connected to the other side of the hydrogen outlet pipe (95) on the pressure swing adsorption tank (91), and the pressure swing adsorption tank (91) is connected with the cyclone separator (11) through the recovery pipe (15), install second control flap (14) on recovery tube (15), pressure swing adsorption case (91) internally mounted has first absorption filter layer (93), pressure swing adsorption case (91) is inside and be located first absorption filter layer (93) downside and install separation connecting block (94), second absorption filter layer (97) are installed to separation connecting block (94) inboard, all install the solenoid valve on consequent pressure pipe (96), reverse pressure pipe (92) and hydrogen exit tube (95), controller (16) are installed to the top that pressure swing adsorption case (91) one side just is located hydrogen exit tube (95).
3. An apparatus for purifying hydrogen as claimed in claim 1, wherein the catalyst containing case (62) is filled with a catalyst which is one or more of a copper-based catalyst, a zeolite and molybdenum compound catalyst, a nickel aluminum tin catalyst and a solid acid catalyst.
4. An apparatus for purifying hydrogen as claimed in claim 2, wherein the first adsorption filtration layer (93) and the second adsorption filtration layer (97) are composed of the following components in parts by weight: 2-5 parts of silica gel, 5-10 parts of alumina, 10-20 parts of activated carbon, 15-20 parts of polyacrylamide and 2-4 parts of carbon molecular sieve.
5. An apparatus for hydrogen purification according to claim 2, wherein the controller (16) comprises a data acquisition module, a security assessment module, a data analysis module, a database and a generation printing module;
the controller (16) is in wireless connection with a display module, the display module is a display screen on the hydrogen purification equipment, and the display module is used for displaying the analysis result of the data analysis module and the evaluation result of the safety evaluation module; the data acquisition module is used for acquiring hydrogen purification data and sending the hydrogen purification data to the controller (16); the safety evaluation module is used for evaluating the safety performance of the hydrogen purification equipment and sending the evaluation result to the controller (16); the database is used for storing preset data of hydrogen purification and storing real-time data of hydrogen purification equipment; the data analysis module is used for analyzing the hydrogen purification data, and the specific analysis process is as follows:
s1: setting a plurality of time points t, t is 1, … …, n; acquiring pressure values SYt of the forward pressure pipe (96) at a plurality of time points, acquiring a maximum pressure value SYmax and a minimum pressure value SYmin of the forward pressure pipe (96), and adding and averaging to obtain a pressure average value SYp of the forward pressure pipe (96);
s2: acquiring pressure values NYt of the reverse pressure pipe (92) at a plurality of time points, acquiring a maximum pressure value Nymax and a minimum pressure value Nymin of the reverse pressure pipe (92), and adding and averaging to obtain a pressure average value NYp of the reverse pressure pipe (92);
s3: acquiring the hydrogen purity of the upper side inside the pressure swing adsorption tank (91), and marking the hydrogen purity of the upper side inside the pressure swing adsorption tank (91) as Cs;
s4: acquiring the hydrogen purity of the inner lower side of the pressure swing adsorption tank (91), and marking the hydrogen purity of the inner lower side of the pressure swing adsorption tank (91) as Cx;
s5: calculating a normal value Q of the hydrogen purity by using a formula, wherein the specific formula is as follows:
s6: comparing the normal value Q of the hydrogen purity with a set range threshold, if the normal value Q of the hydrogen purity is within the set range threshold, generating a normal signal of the hydrogen purity, and if the normal value Q of the hydrogen purity is not within the set range threshold, generating an abnormal signal of the hydrogen purity;
s7: the hydrogen purity normal signal and the hydrogen purity abnormal signal are sent to a display module;
and the generating and printing module is used for generating a report form from the data analysis result and the safety evaluation result and printing the report form.
6. The apparatus for purifying hydrogen according to claim 5, wherein the safety evaluation module comprises the following specific evaluation steps:
SS 1: respectively acquiring upper pressure limit values and lower pressure limit values of an air compressor (2), a gas buffer tank (4), a processing pipe (61), a pressure swing adsorption tank (91) and a cyclone separator (11), which are sequentially marked as Ysk, Yxk, Ysq, Yxq, Ysc, Yxc, Ysb, Yxb, Ysx and Yxx;
SS 2: pressure values of the air compressor (2), the gas buffer tank (4), the processing pipe (61), the pressure swing adsorption box (91) and the cyclone separator (11) at a plurality of time points are obtained and are marked as Ykt, Yqt, Yct, Yb and Yxt in sequence;
SS 3: using formulas
Calculating to obtain a pressure deviation value YKP of the air compressor (2), and by analogy, respectively obtaining pressure deviation values YQP, YCP, YBP and YXP of the gas buffer tank (4), the processing pipe (61), the pressure swing adsorption box (91) and the cyclone separator (11);
SS 4: distributing preset fixed proportional coefficient values X1, X2, X3, X4 and X5 to pressure deviation values of an air compressor (2), a gas buffer tank (4), a processing pipe (61), a pressure swing adsorption box (91) and a cyclone separator (11) in sequence, and obtaining a total pressure deviation value YP by using a formula YP which is equal to YKP multiplied by X1+ YQP multiplied by X2+ YCP multiplied by X3+ YBP multiplied by X4+ YXP multiplied by X5;
SS 4: setting a preset pressure bias threshold value Yg, wherein g is 1, 2 and 3, and Y1 is more than Y2 and less than Y3;
SS 5: comparing the threat value YP with a preset threat value threshold value, and judging the threat level;
if YP is larger than Y3, generating a primary threat instruction and sending the primary threat instruction to a display module;
if Y2 is larger than YP and is not larger than Y3, generating a secondary threat instruction, and sending the secondary threat instruction to a display module;
if Y1 is larger than YP and is not larger than Y2, generating a three-level threat instruction and sending the three-level threat instruction to a display module;
and if the YP is less than or equal to Y1, generating a safety instruction, and sending the safety instruction to a display module, wherein the primary threat instruction is greater than the secondary threat instruction and is greater than the tertiary threat instruction and is greater than the safety instruction.
7. A working method for hydrogen purification is characterized by comprising the following steps:
step one, an air compressor (2) works, hydrogen enters a gas buffer tank (4) through an air inlet pipe (1) and a first connecting pipe (3), and enters a cyclone separator (11) through a third connecting pipe (12), the hydrogen is subjected to gas-solid separation in the cyclone separator (11), and the hydrogen subjected to the gas-solid separation enters a treatment pipe (61) through a second connecting pipe (5);
secondly, a catalyst placing box (62) is arranged in the processing pipe (61) through an installing rod (68), a partition plate (63) is arranged inside the catalyst placing box (62), a plurality of air holes (65) are formed in the partition plate (63), hydrogen enters the catalyst placing box (62) through an air inlet (69), the hydrogen is fully contacted with a catalyst in the catalyst placing box (62) to generate a chemical reaction, and the hydrogen flows through the plurality of air holes (65) and the air holes (66) and finally flows out of the catalyst placing box (62) through an air outlet (64);
step three, after a first control valve (8) is opened, hydrogen enters a pressure swing adsorption tank (91) through a hydrogen pipeline (10), a reverse pressure pipe (92), a forward pressure pipe (96), a first adsorption filter layer (93) and a second adsorption filter layer (97) are installed inside the pressure swing adsorption tank (91), forward pressure release is conducted after the forward pressure pipe (96) is communicated with external pressure equipment, the hydrogen is subjected to adsorption filtration through the first adsorption filter layer (93) and the second adsorption filter layer (97), filtered high-purity hydrogen flows out through a hydrogen outlet pipe (95), after the first adsorption filter layer (93) and the second adsorption filter layer (97) are used for a long time, the reverse pressure pipe (92) is communicated with the external pressure equipment and then reversely released, and impurities adsorbed on the first filter layer and the second filter layer are desorbed and discharged out of the pressure swing adsorption tank (91);
and fourthly, a controller (16) is arranged on one side of the pressure swing adsorption tank (91) and above the hydrogen outlet pipe (95), the controller (16) analyzes hydrogen purification data and evaluates the safety performance of hydrogen purification equipment, when the hydrogen purity does not reach the standard, the second control valves (14) are opened, and the hydrogen in the pressure swing adsorption tank (91) returns to the cyclone separator (11) through the recovery pipe (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011113441.4A CN112225177A (en) | 2020-10-17 | 2020-10-17 | Hydrogen purification equipment and working method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011113441.4A CN112225177A (en) | 2020-10-17 | 2020-10-17 | Hydrogen purification equipment and working method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112225177A true CN112225177A (en) | 2021-01-15 |
Family
ID=74117820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011113441.4A Withdrawn CN112225177A (en) | 2020-10-17 | 2020-10-17 | Hydrogen purification equipment and working method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112225177A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4687498A (en) * | 1986-02-24 | 1987-08-18 | The Boc Group, Inc. | Argon recovery from hydrogen depleted ammonia plant purge gas utilizing a combination of cryogenic and non-cryogenic separating means |
| US5304234A (en) * | 1991-08-30 | 1994-04-19 | Chiyoda Corporation | Gas separation process and unit therefor |
| US5336300A (en) * | 1992-02-08 | 1994-08-09 | Daidousanso Co., Ltd. | Method and apparatus for separating mixed gas |
| US20060099123A1 (en) * | 2002-08-23 | 2006-05-11 | Seeley Andrew J | Utilisation of waste gas streams |
| KR20080081816A (en) * | 2007-03-06 | 2008-09-10 | 린데 악티엔게젤샤프트 | Method and device for separating the hydrogen from gas flows with oxygen portion |
| CN102585953A (en) * | 2012-03-09 | 2012-07-18 | 广西大学 | Efficient variable-frequency and variable-pressure adsorptive separation and purification method for methane and carbon dioxide |
| CN205252835U (en) * | 2015-12-17 | 2016-05-25 | 杭州宝诺化工科技有限公司 | But increase of service life's hydrogen purification pressure swing adsorption unit |
| CN109453720A (en) * | 2018-11-21 | 2019-03-12 | 永康市都迪工贸有限公司 | A kind of tubular reactor and hydrogen purification system |
| US20190247781A1 (en) * | 2016-10-18 | 2019-08-15 | Linde Aktiengesellschaft | Method and installation for obtaining hydrogen |
| CN210522173U (en) * | 2019-07-19 | 2020-05-15 | 苏州盛福祥净化科技有限公司 | Tail gas recovery device of full-hydrogen bell-type furnace |
| CN111232924A (en) * | 2019-12-25 | 2020-06-05 | 昊华化工科技集团股份有限公司 | Device and method for purifying and recovering hydrogen from hydrogen-containing fuel gas and application |
-
2020
- 2020-10-17 CN CN202011113441.4A patent/CN112225177A/en not_active Withdrawn
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4687498A (en) * | 1986-02-24 | 1987-08-18 | The Boc Group, Inc. | Argon recovery from hydrogen depleted ammonia plant purge gas utilizing a combination of cryogenic and non-cryogenic separating means |
| US5304234A (en) * | 1991-08-30 | 1994-04-19 | Chiyoda Corporation | Gas separation process and unit therefor |
| US5336300A (en) * | 1992-02-08 | 1994-08-09 | Daidousanso Co., Ltd. | Method and apparatus for separating mixed gas |
| US20060099123A1 (en) * | 2002-08-23 | 2006-05-11 | Seeley Andrew J | Utilisation of waste gas streams |
| KR20080081816A (en) * | 2007-03-06 | 2008-09-10 | 린데 악티엔게젤샤프트 | Method and device for separating the hydrogen from gas flows with oxygen portion |
| US20080216652A1 (en) * | 2007-03-06 | 2008-09-11 | Linde Aktiengesellschaft | Process and device for separating hydrogen from gas flows having an oxygen constituent |
| CN102585953A (en) * | 2012-03-09 | 2012-07-18 | 广西大学 | Efficient variable-frequency and variable-pressure adsorptive separation and purification method for methane and carbon dioxide |
| CN205252835U (en) * | 2015-12-17 | 2016-05-25 | 杭州宝诺化工科技有限公司 | But increase of service life's hydrogen purification pressure swing adsorption unit |
| US20190247781A1 (en) * | 2016-10-18 | 2019-08-15 | Linde Aktiengesellschaft | Method and installation for obtaining hydrogen |
| CN109453720A (en) * | 2018-11-21 | 2019-03-12 | 永康市都迪工贸有限公司 | A kind of tubular reactor and hydrogen purification system |
| CN210522173U (en) * | 2019-07-19 | 2020-05-15 | 苏州盛福祥净化科技有限公司 | Tail gas recovery device of full-hydrogen bell-type furnace |
| CN111232924A (en) * | 2019-12-25 | 2020-06-05 | 昊华化工科技集团股份有限公司 | Device and method for purifying and recovering hydrogen from hydrogen-containing fuel gas and application |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202013269U (en) | Air respirator performance detector | |
| CN112225177A (en) | Hydrogen purification equipment and working method thereof | |
| CN203886379U (en) | Lead fume purifier in industry of lead-acid storage battery | |
| CN207877253U (en) | A kind of environment-friendly type concentrated hydrochloric acid process units | |
| CN205941099U (en) | But active carbon adsorption device of remove particle thing | |
| CN110513598B (en) | Oil well field associated gas closed pressurization gathering and transportation system and use method thereof | |
| CN106586961A (en) | Tritiated water preparation apparatus and method | |
| CN204365110U (en) | A kind of carbon dioxide capture device | |
| CN211871376U (en) | Pressure swing adsorption hydrogen production deoxidation system | |
| CN104973358A (en) | Chemical tank pressure balance device | |
| CN205598939U (en) | Automatic change desulphurization of exhaust gas system | |
| CN115232645A (en) | Refining process and equipment for recovering hydrochloric acid in chlorinated paraffin production process | |
| CN209822288U (en) | Loop hydrogen purging device | |
| CN209784309U (en) | Simulation test room for detecting harmful gas precipitation amount of plates and furniture | |
| CN106353241A (en) | Salt spray test chamber without acid mist pollution | |
| CN205275331U (en) | A embrane method water gas separat device for boiler deoxidization | |
| CN220715361U (en) | Ammonia gas absorbing device in boiler water ammonia adding system | |
| CN101477087B (en) | Quantitative measuring method for trace amount of foreign gas in chlorine | |
| CN204008174U (en) | Air purifying filter core performance evaluation detecting device | |
| CN220125791U (en) | Industrial gas filtering device | |
| CN205350329U (en) | Area buffering filtration system's pressure vessel | |
| CN111189963A (en) | For SO2And CO2Simple separation device and detection method for mixed gas | |
| CN217766276U (en) | Compressed air moisture determination system | |
| CN2245068Y (en) | Washer for seperating oxygen and hydrogen | |
| CN208820020U (en) | A kind of lead-acid accumulator container formation device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210115 |