Continuous biomass hydrogen production comprehensive treatment system based on supercritical water gasification
By designing a continuous biomass hydrogen production comprehensive treatment system, the safety hazards of biomass supercritical water reactors in traditional technology, insufficient contact with reactants and difficulty in gas separation are solved, and efficient and low-cost hydrogen production and Energy recovery, suitable for large-scale industrial applications.
Patent Information
- Application Number
- CN202411589686.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-08
- Publication Date
- 2025-01-17
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
The traditional biomass supercritical water reactor hydrogen production technology has problems such as safety hazards, insufficient contact of reactants, difficulty in discharge of reaction solid phase residues, and difficulty in separation of gases, making it difficult to achieve automated and efficient and low-cost clean energy utilization.
A continuous biomass hydrogen production integrated treatment system based on supercritical water vaporization is designed, including high-pressure inert gas bottles, fluidized bed reactors, slag lock buckets, hydroelectric generators, filters, sensors and data centers to realize The entire process of biomass reaction, hydrogen separation and purification and residue discharge is carried out, and real-time monitoring is used for pressure sensors and temperature sensors, automatic water addition and zero wastewater discharge is achieved through the slag lock bucket, energy is recovered by hydroelectric generators, and photovoltaic power generation boards are integrated to supply power.
It realizes efficient processing of the entire process of biomass hydrogen production, reduces environmental impact, maintains low operating costs, is suitable for large-scale industrial promotion, ensures the safety and data accuracy of the device under high temperature and high pressure conditions, and realizes hydrogen gas efficient separation and purification and independent energy supply.
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Figure CN119320653A_ABST
Abstract
Description
Technical Field
[0001] The present invention belongs to the technical field of hydrogen production energy, and specifically is a continuous biomass hydrogen production comprehensive processing system based on supercritical water gasification. Background Art
[0002] There are many shortcomings in the current use of non-renewable energy (such as oil, natural gas, coal, etc.), mainly including: energy consumption problems, environmental problems, climate change, and safety issues. Among them, the polluted gases produced by the combustion of fossil fuels will not only lead to global climate change, but also have irreversible effects on the environment, such as air pollution, water pollution, land destruction, etc. Therefore, it is of great significance to find new energy and realize clean and efficient use.
[0003] Biomass energy refers to a form of energy that uses plants, animals and other biological organic matter as raw materials to obtain energy. Biomass energy is a renewable energy source. Compared with non-renewable energy sources such as coal and oil, it is sustainable and substitutable, and has less impact on the environment.
[0004] Supercritical water gasification (SCWG) has attracted widespread attention due to its high efficiency and low cost. Supercritical water gasification technology can achieve energy conversion from biomass to obtain renewable hydrogen, and it does not produce additional polluting gases, which is a clean energy. The traditional biomass supercritical water reactor hydrogen production method has many disadvantages, such as difficulty in automation, potential safety hazards in the reactor under high temperature and high pressure, insufficient contact between reactants, inability to timely discharge the reaction solid phase residue online, and difficulty in separating the reaction gas. Therefore, it is urgent to develop a new hydrogen production technology that combines supercritical water gasification and biomass to overcome existing technical problems. Summary of the invention
[0005] In view of the deficiencies in the prior art, the technical problem to be solved by the present invention is to provide a continuous biomass hydrogen production integrated processing system based on supercritical water gasification.
[0006] The technical solution of the present invention to solve the technical problem is to provide a continuous biomass hydrogen production integrated processing system based on supercritical water gasification, characterized in that the system includes a high-pressure inert gas bottle, a storage tank, an energy storage device, a water spray box, a fluidized bed reactor, a first cooler, a slag lock bucket, a slag storage platform, a water storage tank, a filter, a first pressure sensor, a second pressure sensor, a hydroelectric generator, a third pressure sensor, a temperature sensor, a data center, a first valve, a second valve, a third valve, a fourth valve, a fifth valve, a sixth valve, a seventh valve, an eighth valve, a second cooler, a high-pressure separator, a ninth valve, a first drying pipe, a low-pressure separator, a tenth valve and a second drying pipe; The residue outlet of the fluidized bed reactor is connected to the inlet of the first cooler through a pipeline; the outlet of the first cooler is connected to the residue inlet of the slag lock bucket through a pipeline, and a second pressure sensor and a seventh valve are arranged on the pipeline; the residue outlet of the fluidized bed reactor is higher than the residue inlet of the slag lock bucket; A first pressure sensor is provided on the main pipe of the solid-liquid bidirectional flow port of the slag lock bucket, and the end of the main pipe is divided into two branches; the end of one branch is connected to the inlet of the hydroelectric generator, and a fifth valve is provided on the branch; the outlet of the hydroelectric generator is connected to the solid-liquid two-phase inlet of the water storage tank; the residue outlet of the slag lock bucket is connected to the residue inlet of the slag storage platform through a pipeline, and a sixth valve is provided on the pipeline; the slag storage platform is slidably installed on the water storage tank, located above the water storage tank, and can move up and down in the vertical direction relative to the water storage tank, thereby squeezing the water storage tank and squeezing the water in the water storage tank through the solid-liquid two-phase outlet of the water storage tank; the solid-liquid two-phase outlet of the water storage tank is connected to the inlet of the filter; the liquid outlet of the filter is connected to the end of another branch of the main pipe, and a fourth valve is provided on the branch; the position of the fourth valve is higher than the fifth valve; The energy output end of the hydroelectric generator is connected to the energy input end of the energy storage device, and the energy generated by the hydroelectric generator is stored in the energy storage device; the energy storage device is used to supply energy to the fluidized bed reactor; The air inlet of the fluidized bed reactor is connected to the gas outlet of the high-pressure inert gas bottle through a pipeline, and a first valve, a third pressure sensor and a temperature sensor are arranged on the pipeline; the data center is respectively connected to the third pressure sensor and the temperature sensor for communication; the third pressure sensor and the temperature sensor collect the pressure and temperature data of the fluidized bed reactor during the reaction in real time, and transmit them to the data center, and the data center monitors the pressure and temperature changes of the fluidized bed reactor during the reaction in real time; The storage tank is used to store biomass materials; the material inlet of the fluidized bed reactor is connected to the material outlet of the storage tank through a pipeline, and a second valve is provided on the pipeline; the water inlet of the fluidized bed reactor is connected to the outlet of the water spray box through a pipeline, and a third valve is provided on the pipeline; The exhaust port of the fluidized bed reactor is connected with the air inlet of the second cooler through a pipeline, and an eighth valve is arranged on the pipeline; the air outlet of the second cooler is connected with the air inlet of the high-pressure separator; the air outlet of the high-pressure separator is connected with the air inlet of the first drying pipe through a pipeline, and a ninth valve is arranged on the pipeline; the air outlet of the first drying pipe is connected with the air inlet of the low-pressure separator; the air outlet of the low-pressure separator is connected with the air inlet of the second drying pipe through a pipeline, and a tenth valve is arranged on the pipeline; the air outlet of the second drying pipe discharges hydrogen and collects it.
[0007] Compared with the prior art, the present invention has the following beneficial effects: (1) The present invention integrates the whole process of biomass hydrogen production from biomass reaction, hydrogen separation and purification to residue discharge, realizes slag storage, slag discharge, water addition and power generation, greatly reduces the impact on the environment, while maintaining low operating costs, and is suitable for large-scale industrial promotion and application.
[0008] (2) The slag lock bucket is used to collect and discharge the solid residue generated during the reaction process, and recycle the drainage into the water storage tank. When the slag lock bucket reaches the upper limit of the volume, the solid residue in the slag lock bucket enters the slag lock table through the open valve. Using the effect of gravity, the water in the water storage tank is redirected back to the slag lock bucket, realizing the function of automatic water addition, thereby ensuring that the system does not generate wastewater discharge during the slag lock operation and achieving zero wastewater discharge.
[0009] (3) The water discharged from the slag lock bucket of the present invention rotates the hydroelectric generator through gravity, thereby realizing energy recovery and utilization.
[0010] (4) The present invention communicates with the data center through pressure sensors and temperature sensors to monitor and transmit the pressure and temperature data of the fluidized bed reactor in real time, ensuring real-time monitoring of the device under high temperature and high pressure conditions, ensuring the safety of the experimental process and the accuracy of the data.
[0011] (5) The present invention utilizes a pressure difference method to discharge the residue out of the fluidized bed reactor, thereby effectively allowing the fluidized bed reactor to discharge the residue smoothly.
[0012] (6) The present invention uses high-pressure inert gas to pass into the fluidized bed reactor, which can not only detect leaks but also provide initial pressure for the reaction. At the same time, the high-pressure inert gas will not interfere with the experiment.
[0013] (7) The gas generated by the reaction is first cooled to room temperature in a cooler before separation and purification, which is conducive to the subsequent separation and purification of the gas. The hydrogen is then separated, purified and dried through a high-pressure separator, a drying tube and a low-pressure separator.
[0014] (8) The slag discharged from the fluidized bed reactor of the present invention is first cooled in a cooler and then enters the slag lock bucket, which can effectively ensure the service life of the valve and the slag lock bucket.
[0015] (9) The present invention uses a filter to filter the residues in the water discharged from the water storage tank, thereby avoiding clogging of the pipeline.
[0016] (10) The present invention realizes autonomous supply of energy required for the reaction by integrating photovoltaic panels and hydroelectric generators without relying on external additional energy supply. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a schematic diagram of the structure of the present invention.
[0018] In the figure, a high-pressure inert gas bottle 1, a storage tank 2, a photovoltaic panel 3, an energy storage device 4, a water spray box 5, a fluidized bed reactor 6, a first cooler 7, a slag lock bucket 8, a slag storage platform 9, a water storage tank 10, a filter 11, a first pressure sensor 12, a second pressure sensor 13, a hydroelectric generator 14, a third pressure sensor 15, a temperature sensor 16, a data center 17, a first valve 18, a second valve 19, a switch 20, a third valve 21, a fourth valve 22, a fifth valve 23, a sixth valve 24, a seventh valve 25, an eighth valve 26, a second cooler 27, a high-pressure separator 28, a ninth valve 29, a first drying pipe 30, a low-pressure separator 31, a tenth valve 32, a second drying pipe 33, an eleventh valve 34, and a hydrogen collection device 35 are shown. DETAILED DESCRIPTION
[0019] The specific embodiments of the present invention are given below. The specific embodiments are only used to further illustrate the present invention in detail and do not limit the protection scope of the present invention.
[0020] The present invention provides a continuous biomass hydrogen production integrated processing system based on supercritical water gasification (referred to as the system), characterized in that the system comprises a high-pressure inert gas bottle 1, a storage tank 2, an energy storage device 4, a water spray box 5, a fluidized bed reactor 6, a first cooler 7, a slag lock bucket 8, a slag storage platform 9, a water storage tank 10, a filter 11, a first pressure sensor 12, a second pressure sensor 13, a hydroelectric generator 14, a third pressure sensor 15, a temperature sensor 16, a data center 17, a first valve 18, a second valve 19, a third valve 21, a fourth valve 22, a fifth valve 23, a sixth valve 24, a seventh valve 25, an eighth valve 26, a second cooler 27, a high-pressure separator 28, a ninth valve 29, a first drying pipe 30, a low-pressure separator 31, a tenth valve 32, and a second drying pipe 33; The residue outlet of the fluidized bed reactor 6 is connected to the inlet of the first cooler 7 through a pipeline; the outlet of the first cooler 7 is connected to the residue inlet of the slag lock bucket 8 through a pipeline, and a second pressure sensor 13 and a seventh valve 25 are provided on the pipeline; the residue outlet of the fluidized bed reactor 6 is higher than the residue inlet of the slag lock bucket 8, so that the residue is smoothly discharged from the fluidized bed reactor 6 into the slag lock bucket 8; A first pressure sensor 12 is provided on the main pipe of the solid-liquid bidirectional flow port of the slag lock bucket 8, and the end of the main pipe is divided into two branches; the end of one branch is connected to the inlet of the hydroelectric generator 14, and a fifth valve 23 is provided on the branch; the outlet of the hydroelectric generator 14 is connected to the solid-liquid two-phase inlet of the water tank 10; the residue outlet of the slag lock bucket 8 is connected to the residue inlet of the slag storage platform 9 through a pipeline, and a sixth valve 24 is provided on the pipeline; the slag storage platform 9 is slidably installed on the water tank 10, located above the water tank 10, and can move up and down in the vertical direction relative to the water tank 10, thereby squeezing the water tank 10 and squeezing the water in the water tank 10 through the solid-liquid two-phase outlet of the water tank 10; the solid-liquid two-phase outlet of the water tank 10 is connected to the inlet of the filter 11, and the water flowing through is filtered to filter out the residue in the water; the liquid outlet of the filter 11 is connected to the end of another branch of the main pipe, and a fourth valve 22 is provided on the branch; the position of the fourth valve 22 is higher than the fifth valve 23; The energy output end of the hydroelectric generator 14 is connected to the energy input end of the energy storage device 4, and the energy generated by the hydroelectric generator 14 is stored in the energy storage device 4; the energy storage device 4 is used to supply energy to the fluidized bed reactor 6; The gas inlet of the fluidized bed reactor 6 is connected to the gas outlet of the high-pressure inert gas bottle 1 through a pipeline, and a first valve 18, a third pressure sensor 15 and a temperature sensor 16 are arranged on the pipeline; the data center 17 is respectively connected to the third pressure sensor 15 and the temperature sensor 16 for communication, and the third pressure sensor 15 and the temperature sensor 16 collect the pressure and temperature data of the fluidized bed reactor 6 during the reaction process in real time, and transmit them to the data center 17, and the data center 17 monitors the pressure and temperature changes of the fluidized bed reactor 6 during the reaction process in real time; The storage tank 2 is used to store biomass materials; the material inlet of the fluidized bed reactor 6 is connected to the material outlet of the storage tank 2 through a pipeline, and a second valve 19 is provided on the pipeline; the water inlet of the fluidized bed reactor 6 is connected to the outlet of the water spray box 5 through a pipeline, and a third valve 21 is provided on the pipeline; The exhaust port of the fluidized bed reactor 6 is connected to the air inlet of the second cooler 27 through a pipeline, and an eighth valve 26 is provided on the pipeline; the air outlet of the second cooler 27 is connected to the air inlet of the high-pressure separator 28; the air outlet of the high-pressure separator 28 is connected to the air inlet of the first drying pipe 30 through a pipeline, and a ninth valve 29 is provided on the pipeline; the air outlet of the first drying pipe 30 is connected to the air inlet of the low-pressure separator 31; the air outlet of the low-pressure separator 31 is connected to the air inlet of the second drying pipe 33 through a pipeline, and a tenth valve 32 is provided on the pipeline; the air outlet of the second drying pipe 33 discharges hydrogen and collects it.
[0021] Preferably, the system further comprises a photovoltaic power generation panel 3 ; the energy output end of the photovoltaic power generation panel 3 is connected to the energy input end of the energy storage device 4 , so that the solar energy is stored in the energy storage device 4 .
[0022] Preferably, the energy output end of the energy storage device 4 is electrically connected to the energy supply end of the fluidized bed reactor 6 through a line, and a switch 20 is provided on the line.
[0023] Preferably, the water spray box 5 and the storage tank 2 are respectively located above or below the fluidized bed reactor 6 (preferably: the water spray box 5 is located directly below the fluidized bed reactor 6, and the storage tank 2 is located directly above the fluidized bed reactor 6). This feeding and water intake method of the fluidized bed reactor 6 allows the biomass material and water to fully contact in the fluidized bed reactor 6, thereby optimizing the reaction conditions, making the reaction more complete, and improving the reaction efficiency and effect.
[0024] Preferably, the system further comprises an eleventh valve 34 and a hydrogen collecting device 35; the gas outlet of the second drying tube 33 is connected to the gas inlet of the hydrogen collecting device 35 (a hydrogen bottle in this embodiment), and the eleventh valve 34 is arranged on the pipeline.
[0025] Preferably, a residue outlet is provided at the middle and lower part of the fluidized bed reactor 6, and an exhaust port is provided at the top.
[0026] Preferably, a residue outlet is provided at the middle and lower part of the fluidized bed reactor 6, an air inlet, a material inlet and an exhaust port are provided at the top, and a water inlet and an energy supply port are provided at the bottom.
[0027] Preferably, a residue inlet is provided at the middle and lower part of the slag lock bucket 8, a solid-liquid bidirectional flow port is provided at the top, and a residue outlet is provided at the bottom.
[0028] Preferably, a residue inlet is provided on the top of the residue storage platform 9 .
[0029] Preferably, a solid-liquid two-phase inlet is provided at the middle and lower part of the water storage tank 10, and a solid-liquid two-phase outlet is provided at the bottom.
[0030] Preferably, the data center 17 acquires, analyzes and stores the data collected by the third pressure sensor 15 and the temperature sensor 16 in real time. The operation interface of the data center 17 can set the thresholds of the working pressure and temperature of the fluidized bed reactor 6, and the operation interface can display the real-time pressure and temperature data of the fluidized bed reactor 6 and generate corresponding charts.
[0031] Preferably, in order to ensure the accuracy of the data, the third pressure sensor 15 and the temperature sensor 16 are calibrated regularly, and the calibration results are uploaded to the data center 17 for reference.
[0032] Preferably, the data center 17 can also be connected to a remote monitoring system via a network to achieve remote monitoring and management of the fluidized bed reactor 6 to ensure safe and efficient operation of the experiment.
[0033] The present invention also provides a comprehensive treatment method (hereinafter referred to as the method) of a continuous biomass hydrogen production comprehensive treatment system based on supercritical water gasification, characterized in that the method comprises the following steps: 1) Before the reaction starts, open the fourth valve 22 and the seventh valve 25, and add water into the slag lock bucket 8 until the pressure of the first pressure sensor 12 and the second pressure sensor 13 are the same, and then close the fourth valve 22 and the seventh valve 25; 2) Open the first valve 18, and the high-pressure inert gas flows from the high-pressure inert gas bottle 1 into the fluidized bed reactor 6 to check the airtightness of the fluidized bed reactor 6 (in this embodiment, the leak detection pressure is 10 MPa); after the leak detection is qualified, the corresponding initial pressure is set for the fluidized bed reactor 6 according to the material loading amount, so as to reach the supercritical state in the subsequent heating and pressure increase process, and ensure the stability and sufficiency of the reaction conditions. After the initial pressure of the fluidized bed reactor 6 is reached through the high-pressure inert gas bottle 1, the first valve 18 is closed; 3) Start the reaction, open the second valve 19, and the biomass material enters the fluidized bed reactor 6 from the storage tank 2 through the second valve 19; at the same time, open the energy storage device 4 to provide the fluidized bed reactor 6 with the heat required for the reaction; at the same time, open the third valve 21, and the water in the water spray box 5 is sprayed into the fluidized bed reactor 6 through the third valve 21; during the reaction, the third pressure sensor 15 and the temperature sensor 16 collect the pressure and temperature changes of the fluidized bed reactor 6 during the reaction in real time, and upload the data to the data center 17; the data center 17 monitors the pressure and temperature changes of the fluidized bed reactor 6 during the reaction in real time to ensure safe and stable operation of the reaction; Preferably, when the pressure and temperature exceed the set thresholds, the data center 17 will automatically record the alarm event and trigger an alarm to prompt the experimenter to check the status of the fluidized bed reactor 6, thereby ensuring the safe operation of the experiment.
[0034] 4) After the reaction is finished, the eighth valve 26 is opened, and the supercritical mixed gas (composed of supercritical carbon dioxide, supercritical carbon monoxide, supercritical hydrogen and unreacted supercritical water) produced by the reaction in the fluidized bed reactor 6 is discharged from the exhaust port of the fluidized bed reactor 6 under the action of the pressure difference, and enters the second cooler 27 through the eighth valve 26; the supercritical water is removed in the second cooler 27, and the supercritical carbon dioxide, supercritical carbon monoxide and supercritical hydrogen are restored to normal state, and then discharged from the second cooler 27 into the high-pressure separator 28; in the high-pressure separator 28, the hydrogen under high pressure is used to separate the supercritical water from the supercritical carbon dioxide, supercritical carbon monoxide and supercritical hydrogen. The carbon dioxide gas is removed by the sodium oxide solution, and the remaining carbon monoxide gas and hydrogen are discharged from the high-pressure separator 28, and enter the first drying pipe 30 through the ninth valve 29 for drying treatment; then the dried carbon monoxide gas and hydrogen are discharged from the first drying pipe 30 and enter the low-pressure separator 31; in the low-pressure separator 31, the carbon monoxide gas is removed by using the existing gas separation membrane technology, and the pure hydrogen is discharged from the low-pressure separator 31, and enters the second drying pipe 33 through the tenth valve 32 for drying treatment; the dried hydrogen is discharged from the gas outlet of the second drying pipe 33 and collected, so as to realize hydrogen production; 5) Open the fifth valve 23, and the water inside the slag lock bucket 8 is discharged from the slag lock bucket 8 through the fifth valve 23, so that a pressure difference is generated between the first pressure sensor 12 and the second pressure sensor 13, and then close the fifth valve 23; the discharged water collects energy through the hydroelectric generator 14, and the energy is stored in the energy storage device 4, so as to be supplied to the fluidized bed reactor 6; 6) Open the first cooler 7 and the seventh valve 25, and allow the residue in the fluidized bed reactor 6 to enter the first cooler 7 for cooling under the action of the pressure difference; after cooling, the residue is discharged from the first cooler 7 and enters the slag lock bucket 8 through the seventh valve 25; when the readings of the first pressure sensor 12 and the second pressure sensor 13 are equal, close the seventh valve 25; 7) Repeat step 5) and step 6), the water discharged from the slag lock bucket 8 through the fifth valve 23 contains residues, indicating that the inside of the slag lock bucket 8 is now full of residues; at this time, the fifth valve 23 and the seventh valve 25 are closed, and the fourth valve 22 and the sixth valve 24 are opened; the slag lock bucket 8 discharges the residue to the slag storage platform 9 through the sixth valve 24, and the slag storage platform 9 is pushed downward and squeezed by gravity. The solid-liquid two-phase outlet of the water storage tank 10 starts to drain water, and the water in the water storage tank 10 passes through the filter 11 to remove the residue particles in the water, and re-enters the slag lock bucket 8 through the fourth valve 22, and the slag lock bucket 8 is rinsed at the same time.
[0035] Any matters not described in the present invention are applicable to the prior art.
Claims
1. A continuous biomass hydrogen production integrated processing system based on supercritical water gasification, characterized in that: The system comprises a high-pressure inert gas bottle (1), a material storage tank (2), an energy storage device (4), a water spraying box (5), a fluidized bed reactor (6), a first cooler (7), a slag lock bucket (8), a slag storage platform (9), a water storage tank (10), a filter (11), a first pressure sensor (12), a second pressure sensor (13), a hydroelectric generator (14), a third pressure sensor (15), a temperature sensor (16), a data center (17), a first valve (18), a second valve (19), a third valve (21), a fourth valve (22), a fifth valve (23), a sixth valve (24), a seventh valve (25), an eighth valve (26), a second cooler (27), a high-pressure separator (28), a ninth valve (29), a first drying pipe (30), a low-pressure separator (31), a tenth valve (32) and a second drying pipe (33); The residue outlet of the fluidized bed reactor (6) is connected to the inlet of the first cooler (7) through a pipeline; the outlet of the first cooler 7 is connected to the residue inlet of the slag lock bucket (8) through a pipeline, and a second pressure sensor (13) and a seventh valve (25) are provided on the pipeline; the residue outlet of the fluidized bed reactor (6) is higher than the residue inlet of the slag lock bucket (8); A first pressure sensor (12) is provided on the main pipe of the solid-liquid bidirectional flow port of the slag lock bucket (8), and the end of the main pipe is divided into two branches; the end of one branch is connected to the inlet of the hydroelectric generator (14), and a fifth valve (23) is provided on the branch; the outlet of the hydroelectric generator (14) is connected to the solid-liquid two-phase inlet of the water storage tank (10); the residue outlet of the slag lock bucket (8) is connected to the residue inlet of the slag storage platform (9) through a pipeline, and a sixth valve (24) is provided on the pipeline; the slag storage platform (9) is slidably mounted on the water storage tank ( 10), is located above the water tank (10), and is capable of moving up and down in a vertical direction relative to the water tank (10), thereby squeezing the water tank (10) and squeezing the water in the water tank (10) through the solid-liquid two-phase outlet of the water tank (10); the solid-liquid two-phase outlet of the water tank (10) is connected to the inlet of the filter (11); the liquid outlet of the filter (11) is connected to the end of another branch of the main pipeline, and a fourth valve (22) is provided on the branch; the fourth valve (22) is located higher than the fifth valve (23); The energy output end of the hydroelectric generator (14) is connected to the energy input end of the energy storage device (4), and the energy generated by the hydroelectric generator (14) is stored in the energy storage device (4); the energy storage device (4) is used to supply energy to the fluidized bed reactor (6); The gas inlet of the fluidized bed reactor (6) is connected to the gas outlet of the high-pressure inert gas bottle (1) through a pipeline, and the pipeline is provided with a first valve (18), a third pressure sensor (15) and a temperature sensor (16); the data center (17) is respectively connected to the third pressure sensor (15) and the temperature sensor (16); the third pressure sensor (15) and the temperature sensor (16) collect pressure and temperature data of the fluidized bed reactor (6) during the reaction process in real time, and transmit the data to the data center (17); the data center (17) monitors the pressure and temperature changes of the fluidized bed reactor (6) during the reaction process in real time; The storage tank (2) is used to store biomass materials; the material inlet of the fluidized bed reactor (6) is connected to the material outlet of the storage tank (2) through a pipeline, and a second valve (19) is provided on the pipeline; the water inlet of the fluidized bed reactor (6) is connected to the outlet of the water spray box (5) through a pipeline, and a third valve (21) is provided on the pipeline; The exhaust port of the fluidized bed reactor (6) is connected to the air inlet of the second cooler (27) through a pipeline, and an eighth valve (26) is provided on the pipeline; the air outlet of the second cooler (27) is connected to the air inlet of the high-pressure separator (28); the air outlet of the high-pressure separator (28) is connected to the air inlet of the first drying pipe (30) through a pipeline, and a ninth valve (29) is provided on the pipeline; the air outlet of the first drying pipe (30) is connected to the air inlet of the low-pressure separator (31); the air outlet of the low-pressure separator (31) is connected to the air inlet of the second drying pipe (33) through a pipeline, and a tenth valve (32) is provided on the pipeline; the air outlet of the second drying pipe (33) discharges hydrogen and collects it.
2. The continuous biomass hydrogen production comprehensive processing system based on supercritical water gasification according to claim 1 is characterized in that: The system also includes a photovoltaic power generation panel (3); an energy output end of the photovoltaic power generation panel (3) is connected to an energy input end of an energy storage device (4), and solar energy is stored in the energy storage device (4).
3. The continuous biomass hydrogen production comprehensive processing system based on supercritical water gasification according to claim 1 is characterized in that: The energy output end of the energy storage device (4) is electrically connected to the energy supply end of the fluidized bed reactor (6) via a line, and a switch (20) is provided on the line.
4. The continuous biomass hydrogen production comprehensive processing system based on supercritical water gasification according to claim 1 is characterized in that: The water spray box (5) and the material storage tank (2) are respectively located above or below the fluidized bed reactor (6), so that the biomass material and water react more fully.
5. The continuous biomass hydrogen production comprehensive processing system based on supercritical water gasification according to claim 1 is characterized in that: The system further comprises an eleventh valve (34) and a hydrogen collecting device (35); the gas outlet of the second drying pipe (33) is connected to the gas inlet of the hydrogen collecting device (35), and the eleventh valve (34) is arranged on the pipeline.
6. The continuous biomass hydrogen production comprehensive processing system based on supercritical water gasification according to claim 1 is characterized in that: A residue outlet is provided at the middle and lower part of the fluidized bed reactor (6), and an exhaust port is provided at the top.
7. The continuous biomass hydrogen production integrated processing system based on supercritical water gasification according to claim 1 or 6, characterized in that: The fluidized bed reactor (6) is provided with a residue outlet at the middle and lower part, an air inlet, a material inlet and an exhaust port at the top, and a water inlet and an energy supply port at the bottom.
8. The continuous biomass hydrogen production comprehensive processing system based on supercritical water gasification according to claim 1 is characterized in that: The slag lock bucket (8) is provided with a residue inlet at the middle and lower part, a solid-liquid bidirectional flow port at the top, and a residue outlet at the bottom.
9. The continuous biomass hydrogen production integrated processing system based on supercritical water gasification according to claim 1 is characterized in that: A residue inlet is provided on the top of the residue storage platform (9).
10. The continuous biomass hydrogen production integrated processing system based on supercritical water gasification according to claim 1, characterized in that: A solid-liquid two-phase inlet is provided at the middle and lower part of the water storage tank (10), and a solid-liquid two-phase outlet is provided at the bottom.
Citation Information
Patent Citations
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CN116875348A