CN111943138A - Biomass blending gasification hydrogen production device - Google Patents
Biomass blending gasification hydrogen production device Download PDFInfo
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- CN111943138A CN111943138A CN202010935992.2A CN202010935992A CN111943138A CN 111943138 A CN111943138 A CN 111943138A CN 202010935992 A CN202010935992 A CN 202010935992A CN 111943138 A CN111943138 A CN 111943138A
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- 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
- C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
- C01B3/32—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air
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- 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
- C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
- C01B3/22—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by decomposition of gaseous or liquid organic compounds
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
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- 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
- C01B2203/02—Processes for making hydrogen or synthesis gas
- C01B2203/0205—Processes for making hydrogen or synthesis gas containing a reforming step
- C01B2203/0227—Processes for making hydrogen or synthesis gas containing a reforming step containing a catalytic reforming step
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
- C01B2203/02—Processes for making hydrogen or synthesis gas
- C01B2203/0266—Processes for making hydrogen or synthesis gas containing a decomposition step
- C01B2203/0277—Processes for making hydrogen or synthesis gas containing a decomposition step containing a catalytic decomposition step
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- 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
- C01B2203/08—Methods of heating or cooling
- C01B2203/0805—Methods of heating the process for making hydrogen or synthesis gas
- C01B2203/085—Methods of heating the process for making hydrogen or synthesis gas by electric heating
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2200/00—Details of gasification apparatus
- C10J2200/06—Catalysts as integral part of gasifiers
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
- C10J2300/0913—Carbonaceous raw material
- C10J2300/0916—Biomass
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/12—Heating the gasifier
- C10J2300/1269—Heating the gasifier by radiating device, e.g. radiant tubes
- C10J2300/1276—Heating the gasifier by radiating device, e.g. radiant tubes by electricity, e.g. resistor heating
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/16—Integration of gasification processes with another plant or parts within the plant
- C10J2300/164—Integration of gasification processes with another plant or parts within the plant with conversion of synthesis gas
- C10J2300/1656—Conversion of synthesis gas to chemicals
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Abstract
The invention relates to a biomass blending gasification hydrogen production device, which comprises an outer cylinder, an upper stirring cylinder and a lower gasification cylinder which are arranged in the outer cylinder, wherein the bottom of the upper stirring cylinder is provided with a plugging device for communicating or closing the upper stirring cylinder and the lower gasification cylinder; the upper parts of the outer cylinder and the lower gasification cylinder divide the inner part of the outer cylinder into a catalytic annular cavity and a cracking annular cavity from top to bottom through a partition plate, and the cracking annular cavity is communicated with the catalytic annular cavity through a pressure valve embedded in the partition plate; a plurality of electric heating rods are arranged in the cracking annular cavity and are connected with heating coils wound outside a heat conduction barrel arranged outside the lower gasification barrel; the catalytic ring cavity is internally provided with a catalyst bearing plate, the catalyst bearing plate bears a catalyst for carrying out catalytic reaction on the cracked coking gas, the hydrogen production cost is saved, the floor area of hydrogen production equipment is reduced, the hydrogen production efficiency is improved, meanwhile, the heat is effectively utilized when hydrogen is produced, and the waste of heat is avoided.
Description
Technical Field
The invention relates to the technical field of gasification hydrogen production, in particular to a biomass sludge blending gasification hydrogen production device.
Background
The treatment and resource utilization of domestic and foreign sludge have the following problems: (1) potential safety hazards exist in landfill, and the operation of a refuse landfill is influenced; (2) the sludge fertilizer preparation has food safety risk and difficult popularization; (3) the water content of the sludge is too high, the conventional sludge is directly combusted and utilized, and the energy is not paid. It can be seen that the existing biological sludge treatment equipment at home and abroad mainly aims at consuming the sludge, and does not produce practical economic benefit and form valuable commodities.
With the gradual depletion of fossil energy and the increasing organic content and calorific value of municipal sewage and sludge worldwide, the recovery of energy in sludge by a thermochemical conversion method becomes the focus of future research. The sludge gasification hydrogen production technology can recover, utilize and convert organic matters in the sludge into clean and high-quality hydrogen energy, simultaneously avoids the problem of secondary pollution generated in the traditional sludge treatment and treatment, accords with national energy conservation and emission reduction and related environmental policies, is beneficial to building a conservation-oriented society, and is beneficial to harmonious development of society, environment and resources.
At present, when gasification hydrogen production is carried out, mixed biomass is gasified, fissured and catalyzed through different devices to produce hydrogen, and although the mode can produce hydrogen through the mixed biomass, the needed devices are too many, the occupied area is too large, great inconvenience is brought to hydrogen production, and the cost of hydrogen production is increased.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a biomass blending gasification hydrogen production device which only needs one device, occupies small area and has low hydrogen production cost.
In order to achieve the purpose, the invention adopts the following technical scheme that the biomass blending gasification hydrogen production device comprises an outer cylinder, an upper stirring cylinder and a lower gasification cylinder which are arranged in the outer cylinder, wherein the central lines of the upper stirring cylinder and the lower gasification cylinder and the central line of the outer cylinder are positioned on the same vertical line, and the bottom of the upper stirring cylinder is provided with a plugging device for communicating or closing the upper stirring cylinder and the lower gasification cylinder;
the upper parts of the outer barrel and the lower gasification barrel divide the interior of the outer barrel into a catalytic annular cavity and a cracking annular cavity from top to bottom through a partition plate, and the cracking annular cavity is communicated with the catalytic annular cavity through a pressure valve embedded in the partition plate; the lower gasification cylinder is communicated with the cracking annular cavity through a coking gas outlet arranged on the lower gasification cylinder;
the upper end of the lower gasification cylinder penetrates through the partition plate and is movably connected with the bottom of the upper stirring cylinder, the lower end of the lower gasification cylinder penetrates through the bottom of the outer cylinder and extends downwards, and the upper end and the lower end of the upper gasification cylinder are respectively movably connected with the partition plate and the bottom of the outer cylinder through bearings;
a plurality of electric heating rods are arranged in the cracking annular cavity and are connected with heating coils wound outside a heat conduction barrel arranged outside the lower gasification barrel;
a catalyst bearing plate is arranged in the catalytic annular cavity, a catalyst used for carrying out catalytic reaction on the cracked coking gas is loaded on the catalyst bearing plate, and a gas outlet is formed in the outer cylinder above the catalyst;
the stirring device comprises an upper stirring drum, a stirring shaft, a lifting device and a plurality of stirring blade assemblies, wherein the stirring shaft is arranged in the upper stirring drum, the upper end of the stirring shaft extends out of the outer drum and is fixedly connected with a stirring motor arranged outside the outer drum; the lifting device connects or separates the stirring shaft and the plugging device, and controls the plugging device to be opened or closed;
the mixed biomass entering the upper stirring cylinder is stirred through the stirring blade assembly, when the stirring is completed, the lifting device drives the stirring motor to move downwards, when the stirring motor moves downwards, the bottom of the stirring shaft is connected with the blocking device, the stirring motor drives the stirring shaft to rotate, the blocking device is opened, the mixed biomass after stirring enters the lower gasification cylinder through the blocking device to be heated and gasified, the formed coke gas enters the cracking annular cavity to be heated and cracked, the pressure of the coke gas in the cracking annular cavity is continuously increased, when the air pressure in the cracking annular cavity is greater than the set pressure value of the pressure valve, the pressure valve is opened, and the coke gas in the cracking annular cavity enters the catalytic annular cavity to be subjected to catalytic treatment.
The plugging device comprises a circular fixed partition plate fixedly arranged on the upper stirring cylinder and a plurality of blanking holes penetrating through the circular fixed partition plate, a circular plugging plate cavity is arranged in the circular fixed partition plate, a circular plugging plate is arranged in the plugging plate cavity, a plurality of communication holes are formed in the circular plugging plate, a rotating cylinder is fixedly connected to the center of the circular plugging plate, the upper end of the rotating cylinder extends to the upper part of the circular fixed partition plate and extends upwards, a round hole extending towards the inside of the rotating cylinder is formed in the top of the rotating cylinder, and a polygonal connecting hole is formed in the bottom of the round hole; the bottom of the stirring shaft is fixedly connected with a polygonal bulge matched with the polygonal connecting hole;
when the mixed biomass in the upper mixing drum is mixed, the circular blocking plate blocks the blanking hole arranged on the circular fixed partition plate, after the stirring is finished, the lifting device drives the stirring motor to move downwards, the polygonal bulge below the stirring shaft is inserted into the polygonal connecting hole, at the moment, the stirring motor drives the circular plugging plate to rotate, the intercommunicating pores on the circular plugging plate communicate the blanking pores at the upper end and the lower end of the cavity of the circular plugging plate, the stirred material in the upper stirring cylinder enters the lower gasification cylinder through the communicated blanking pores, after blanking is finished, stirring motor passes through the (mixing) shaft and drives circular shutoff board, and the intercommunicating pore staggers with the unloading hole, accomplishes the shutoff in unloading hole, and hoisting device drives the (mixing) shaft and goes upward, and the polygon is protruding to be partd with the polygon connecting hole, and stirring motor drives the stirring leaf subassembly and stirs the mixed living beings of going up in the churn.
The bottom of urceolus is equipped with the rotation motor, fixedly connected with drive gear in this rotation motor's the pivot, and this drive gear is equipped with driven gear meshing with fixed cover on the circumferential surface of establishing the lower extreme of gasification section of thick bamboo down.
The material leakage device is arranged at the bottom of the lower gasification cylinder and comprises an annular circular plate fixedly connected to the inner wall of the lower portion of the lower gasification cylinder, a first semicircular partition plate and a second semicircular partition plate which are symmetrical to each other are arranged in the annular circular plate, the circumferential surfaces of the first semicircular partition plate and the second semicircular partition plate are connected with a circular ring of the annular circular plate through a plurality of compression springs, and guide grooves are formed in the end portions where the first semicircular partition plate and the second semicircular partition plate are combined.
The lower part of urceolus is equipped with the installation base, the installation base passes through bracing piece fixed connection with the circumference face of urceolus, spiral delivery mechanism is passed through to the top of installation base, and this spiral delivery mechanism passes through electronic telescopic cylinder fixed connection with the installation base, and after accomplishing the heating gasification, electronic telescopic cylinder drives spiral delivery mechanism and goes upward, and spiral delivery mechanism's feed inlet inserts in the direction recess, and gasification section of thick bamboo and spiral delivery mechanism's feed inlet intercommunication will be down in the gasification section of thick bamboo ash discharge after the heating gasification.
The stirring blade component comprises a branch stirring shaft which is fixedly connected to the stirring shaft and is vertically connected with the stirring shaft, a plurality of connecting stirring shafts which are vertical to the branch stirring shaft are arranged on the branch stirring shaft in a crossed manner, each connecting stirring shaft is fixedly provided with a cutting blade and a stirring blade, and the cutting blades and the stirring blades are distributed at intervals.
The lifting device comprises a fixed support fixedly arranged at the top of the outer barrel, a fixed mounting plate for fixedly mounting the stirring motor is arranged in the fixed support, sliding rails are movably connected with the sliding blocks arranged at the two ends of the fixed mounting plate and the inner side of the fixed support, and the fixed mounting plate is fixedly connected with the top of the outer barrel through a lifting electric cylinder.
The spiral conveying device comprises a conveying cylinder, a conveying inlet cylinder which is arranged on one side of the conveying cylinder and is vertically communicated with the conveying cylinder is arranged, a transmission shaft is arranged in the conveying cylinder, the end part of the conveying shaft is fixedly connected with a conveying motor on one side of the conveying cylinder, and a conveying spiral blade is fixedly connected to the conveying shaft.
And a plurality of inclined guide vanes are arranged in the lower gasification cylinder.
The invention has the beneficial effects that: when mixing living beings hydrogen manufacturing, only need an equipment just can accomplish, specifically in the hydrogen manufacturing process, it stirs the cutting to put into last churn with mixing living beings, the mixed living beings after the stirring cutting is accomplished enter into gasification section of thick bamboo down through plugging device, this time gasification section of thick bamboo heats the mixed living beings in the gasification section of thick bamboo down through electric heating rod and heating coil in the schizolysis annular chamber, the burnt gas that the mixed living beings after the heating produced enters into the schizolysis annular chamber and carries out pyrolysis, gas behind the pyrolysis enters into the catalysis annular chamber and carries out catalytic reforming, accomplish hydrogen manufacturing, the process of whole hydrogen manufacturing just can be accomplished through an equipment, the cost of hydrogen manufacturing has been saved, hydrogen manufacturing equipment's area has been reduced, hydrogen manufacturing's efficiency has been improved, simultaneously effectual heat of having utilized when hydrogen manufacturing, avoid the heat to take place the waste.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the occluding device of the present invention;
FIG. 3 is a schematic top view of the occluding device of the present invention;
FIG. 4 is a schematic structural view of a material leaking device in the present invention;
FIG. 5 is a schematic top view of the material leaking device of the present invention;
FIG. 6 is a schematic view of the construction of the stirring assembly of the present invention;
fig. 7 is a schematic structural view of the screw conveyor of the present invention.
Detailed Description
The invention is described in detail below with reference to the figures and examples.
Example 1
The biomass blending gasification hydrogen production device shown in fig. 1 comprises an outer barrel 1, an upper mixing barrel 2 and a lower gasification barrel 3 which are arranged in the outer barrel 1, wherein the central lines of the upper mixing barrel 2 and the lower gasification barrel 3 and the central line of the outer barrel 1 are positioned on the same vertical line, and the bottom of the upper mixing barrel 2 is provided with a plugging device 4 for communicating or closing the upper mixing barrel 2 and the lower gasification barrel 3; the top of the upper mixing drum 2 penetrates through the top of the outer drum 1, mixed biomass is added through the end part of the upper mixing drum 2 extending to the top of the outer drum 1, the upper mixing drum 2 and the lower gasifying drum 3 are positioned on the same vertical line, the mixed biomass stirred in the upper mixing drum 2 can enter the lower gasifying drum 3, the plugging device 4 is used for communicating or disconnecting the upper mixing drum and the lower gasifying drum 3, the plugging device 4 is closed during stirring, the upper mixing drum 2 is used for stirring the mixed biomass, and when the shift is added, the plugging device 4 is opened, and the mixed biomass in the upper mixing drum 2 falls into the lower gasifying drum 3 to be gasified; the lower gasification cylinder 3 is internally provided with a plurality of inclined guide vanes 26, so that the contact area of mixed biomass can be increased, and the heating efficiency is improved.
The upper parts of the outer cylinder 1 and the lower gasification cylinder 3 divide the inner part of the outer cylinder 1 into a catalysis annular cavity 8 and a cracking annular cavity 9 from top to bottom through a partition plate 5, and the cracking annular cavity 9 and the catalysis annular cavity 8 are communicated through a pressure valve 6 embedded on the partition plate 5; the lower gasification cylinder 3 is communicated with the cracking annular cavity 9 through a coking gas outlet 27 arranged on the lower gasification cylinder 3; the cracking annular cavity 9 is used for cracking the coke gas generated by gasifying the mixed biomass, and the cracked coke gas enters the catalytic annular cavity 8 for catalysis, so that the hydrogen production process is realized; the cracking annular cavity 9 is communicated with the catalysis annular cavity 8 through a pressure valve 6, when the coke gas in the cracking annular cavity 9 is continuously increased, the air pressure in the cracking annular cavity 9 is continuously increased, when the air pressure in the cracking annular cavity 9 is greater than the set pressure of the pressure valve, the pressure valve is opened, and the coke gas in the cracking annular cavity 9 enters the catalysis annular cavity 8 through the pressure valve to perform catalytic reaction;
the upper end of the lower gasification cylinder 3 penetrates through a partition plate 5 to be movably connected with the bottom of the upper stirring cylinder 2, specifically, an annular groove is formed in the end face of the upper end of the lower gasification cylinder 3, an annular bulge matched with the annular groove is formed in the lower end face of the upper stirring cylinder 2 to ensure that the lower gasification cylinder 3 can rotate relative to the upper stirring cylinder 2, the lower end of the lower gasification cylinder 3 penetrates through the bottom of the outer cylinder 1 to extend downwards, and the upper end and the lower end of the upper gasification cylinder 3 are respectively movably connected with the partition plate 5 and the bottom of the outer cylinder 1 through bearings;
the bottom of the outer cylinder 1 is provided with a rotating motor 13, a rotating shaft of the rotating motor 13 is fixedly connected with a driving gear 14, and the driving gear 14 is fixedly sleeved with a driven gear 15 on the circumferential surface of the lower end of the lower gasification cylinder 3 for meshing. Specifically, the rotating motor 13 drives the driving gear 14 to rotate, the driving gear 14 drives the driven gear 15 to rotate, and the driven gear drives the lower gasification cylinder 3 to rotate, so that when the lower gasification cylinder 3 is gasified, the mixed biomass in the lower gasification cylinder 3 can be sufficiently heated and gasified;
a plurality of electric heating rods 10 are arranged in the cracking annular cavity 9, the plurality of heating rods 10 are connected in parallel, sufficient heating can be guaranteed, and the electric heating rods 10 are connected with heating coils 11 which are wound outside a heat conduction barrel 12 arranged outside the lower gasification barrel 3; the electric heating rod 10 and the heating coil 11 can heat the coke gas in the cracking annular cavity 9 at a high temperature, meanwhile, in the heating process, the heat in the cracking annular cavity 9 is introduced into the lower gasification cylinder 3 through the heat conduction cylinder 12 to heat and coke the mixed biomass in the lower gasification cylinder 3 to form the coking gas, and the heat conduction cylinder 12 arranged outside the lower gasification cylinder 3 can conduct heat and does not influence the rotation of the lower gasification cylinder 3 during heating;
a catalyst bearing plate 23 is arranged in the catalytic annular cavity 8, a catalyst 24 for catalytic reaction of the cracked coking gas is carried on the catalyst bearing plate 23, and a gas outlet 25 is arranged on the outer barrel 1 above the catalyst 24; the catalyst bearing plate 23 is provided with air holes to ensure that the cracked gas can pass through the catalyst 24 for catalysis;
a stirring shaft 17 is arranged in the upper stirring drum 2, the upper end of the stirring shaft 17 extends out of the outer drum 1 and is fixedly connected with a stirring motor 18 arranged outside the outer drum 1, the stirring motor 18 is arranged on a lifting device which is arranged at the top of the outer drum 1 and used for lifting the stirring motor 18 to move up and down, and a plurality of stirring blade assemblies 16 are fixedly connected on the stirring shaft 17 in the stirring drum 2; the lifting device connects or separates the stirring shaft 17 with or from the plugging device 4, and controls the plugging device 4 to be opened or closed;
the lifting device comprises a fixed support 20 fixedly arranged at the top of the outer barrel 1, a fixed mounting plate 19 used for fixedly mounting the stirring motor 18 is arranged in the fixed support 20, sliding rails movably connected with sliding blocks 22 arranged at two ends of the fixed mounting plate 19 and the inner side of the fixed support 20 are movably connected, and the fixed mounting plate 19 is fixedly connected with the top of the outer barrel 1 through a lifting electric cylinder 21. When stirring is carried out, the lifting electric cylinder 21 drives the fixed mounting plate 19 to ascend, the stirring motor 18 is driven to ascend, the stirring shaft 17 is separated from the blocking device at the moment, the blocking device is in a closed state, the stirring motor 18 drives the stirring blade assembly to cut and stir mixed biomass added into the upper stirring barrel, after stirring is completed, the lifting electric cylinder 21 drives the stirring motor to descend, the stirring shaft is connected with the blocking device, the stirring motor drives the stirring shaft to rotate, the blocking device is opened, and the mixed biomass after stirring enters the lower gasification barrel through the blocking device;
as shown in fig. 6, the stirring blade assembly 16 includes a branch stirring shaft 1601 fixedly connected to the stirring shaft 17 and perpendicularly connected to the stirring shaft 17, the branch stirring shaft 1601 is crosswise provided with a plurality of connecting stirring shafts 1602 perpendicularly connected to the branch stirring shaft 1601, each connecting stirring shaft 1602 is fixedly provided with a cutting blade 1603 and a stirring blade 1604, and the cutting blades 1603 and the stirring blades 1604 are spaced apart. The stirring vane that is equipped with can carry out abundant stirring, and the cutting blade that is equipped with simultaneously can cut mixed living beings when the stirring, reduces the required power of stirring simultaneously.
The bottom of the lower gasification cylinder 3 is provided with a material leaking device 7, the material leaking device 7 can discharge the gasified combustion ash out of the lower gasification cylinder 3, specifically, as shown in fig. 4 and 5, the material leaking device 7 comprises an annular circular plate 701 fixedly connected to the lower inner wall of the lower gasification cylinder 3, the annular circular plate 701 is internally provided with a first semicircular separation plate 702 and a second semicircular separation plate 703 which are symmetrical to each other, the circumferential surfaces of the first semicircular separation plate 702 and the second semicircular separation plate 703 are connected with the circular ring of the annular circular plate 701 through a plurality of compression springs 704, and the combined end of the first semicircular separation plate 702 and the second semicircular separation plate 703 is provided with a guide groove 705. When the gasified ash is discharged, the first semicircular partition plate 702 and the second semicircular partition plate 703 are opened through the guide groove 705, the first semicircular partition plate 702 and the second semicircular partition plate 703 are separated to discharge the combustion ash, and after the ash discharge is completed, the first semicircular partition plate 702 and the second semicircular partition plate 703 are automatically closed to perform the gasification action again;
the lower part of the outer cylinder 1 is provided with an installation base 28, the installation base 28 is fixedly connected with the circumferential surface of the outer cylinder 1 through a support rod, a spiral conveying device 30 is arranged above the installation base 28, the spiral conveying device 30 is fixedly connected with the installation base 28 through an electric telescopic cylinder 29, after heating and gasification are completed, the electric telescopic cylinder 29 drives the spiral conveying device 30 to move upwards, a feed inlet of the spiral conveying device 30 is inserted into the guide groove 705, the lower gasification cylinder 3 is communicated with the feed inlet of the spiral conveying device 30, and ash after heating and gasification in the lower gasification cylinder 3 is discharged.
As shown in fig. 7, the screw conveyor 30 includes a conveying cylinder 3001, a conveying inlet cylinder 3002 vertically communicating with the conveying cylinder 3001 is disposed on one side of the conveying cylinder 3001, a conveying shaft 3003 is disposed in the conveying cylinder 3001, an end of the conveying shaft 3003 is fixedly connected to a conveying motor 3005 on one side of the conveying cylinder 3001, and a conveying screw blade 3004 is fixedly connected to the conveying shaft 3003.
Specifically, during operation, mixed biomass needing hydrogen production enters the upper stirring cylinder 2, the stirring motor drives the stirring blade assembly 16 to stir and cut the mixed biomass, and after stirring is completed; the lifting device drives the stirring motor 18 to move downwards, when the stirring motor 18 moves downwards, the bottom of the stirring shaft 17 is connected with the plugging device 4, the stirring motor 18 drives the stirring shaft 17 to rotate, the plugging device 4 is opened, the stirred mixed biomass enters the lower gasification cylinder 3 through the plugging device 4, at the moment, heat generated by a heating rod in the cracking annular cavity 9 is led into the lower gasification cylinder 3 to heat and coke the mixed biomass in the lower gasification cylinder 3, the coke gas generated after heating and gasification enters the cracking annular cavity 9 for further heating and cracking, the pressure of the coke gas in the cracking annular cavity 9 is continuously increased, when the air pressure in the cracking annular cavity 9 is greater than the pressure value set by the pressure valve 6, the pressure valve 6 is opened, the coke gas in the cracking annular cavity 9 enters the catalytic annular cavity 8 for catalytic cracking, and hydrogen formed after catalysis is discharged for realizing purpose, in the whole hydrogen production process by adopting one device, the occupied area for producing hydrogen is saved, resources are saved, the cost is reduced, the hydrogen production efficiency is improved, and simultaneously the resources are effectively utilized.
Example 2
On the basis of embodiment 1, in order to ensure that the plugging device 4 can connect or separate the upper mixing drum and the lower gasification drum in different working states, as shown in fig. 2 and 3, the plugging device 4 includes a circular fixed partition 401 fixedly arranged on the upper mixing drum 2, and a plurality of blanking holes 404 penetrating through the circular fixed partition 401, a circular plugging plate cavity 402 is arranged in the circular fixed partition 401, a circular plugging plate 403 is arranged in the plugging plate cavity 402, a plurality of communication holes 405 are arranged on the circular plugging plate 403, a rotating cylinder 406 is fixedly connected to the center position of the circular plugging plate 403, the upper end of the rotating cylinder 406 extends to the upper part of the circular fixed partition 401 and extends upwards, a circular hole 407 extending into the rotating cylinder 406 is arranged at the top of the rotating cylinder 406, and a polygonal connecting hole 408 is arranged at the bottom of the circular hole 407; the bottom of the stirring shaft 17 is fixedly connected with a polygonal bulge 1701 matched with the polygonal connecting hole 408;
when the mixed biomass in the upper stirring cylinder 2 is stirred, the circular blocking plate 403 blocks a blanking hole 404 formed in the circular fixed partition plate 401, when the stirring is completed, the lifting device drives the stirring motor 18 to move downwards, a polygonal bulge 1701 below the stirring shaft 17 is inserted into the polygonal connecting hole 408, at the moment, the stirring motor 18 drives the circular blocking plate 403 to rotate, the connecting holes 405 in the circular blocking plate 403 communicate with the blanking holes 404 at the upper end and the lower end of the circular blocking plate cavity 402, the stirred material in the upper stirring cylinder 2 enters the lower gasification cylinder 3 through the communicated blanking hole 404, after the blanking is completed, the stirring motor 18 drives the circular blocking plate 403 through the stirring shaft 17, the connecting holes 405 are staggered with the blanking holes 404, the blanking holes 404 are blocked, the lifting device drives the stirring shaft 17 to move upwards, and the polygonal bulge 1701 is separated from the polygonal connecting hole 408, the stirring motor 18 drives the stirring blade assembly 16 to stir the mixed biomass in the upper stirring cylinder 2. The effectual churn that has realized directly communicates or the purpose of closing with gasification section of thick bamboo down to open or close through the (mixing) shaft, need not the manpower and open, realize the full automatization, reduced the risk, improved efficiency.
The above embodiments are merely illustrative of the present invention, and should not be construed as limiting the scope of the present invention, and all designs identical or similar to the present invention are within the scope of the present invention.
Claims (9)
1. The biomass blending gasification hydrogen production device is characterized by comprising an outer barrel (1), an upper stirring barrel (2) and a lower gasification barrel (3) which are arranged in the outer barrel (1), wherein the central lines of the upper stirring barrel (2) and the lower gasification barrel (3) and the central line of the outer barrel (1) are positioned on the same vertical line, and the bottom of the upper stirring barrel (2) is provided with a plugging device (4) for communicating or closing the upper stirring barrel (2) and the lower gasification barrel (3);
the upper parts of the outer cylinder (1) and the lower gasification cylinder (3) divide the interior of the outer cylinder (1) into a catalysis annular cavity (8) and a cracking annular cavity (9) from top to bottom through a partition plate (5), and the cracking annular cavity (9) is communicated with the catalysis annular cavity (8) through a pressure valve (6) embedded in the partition plate (5); the lower gasification cylinder (3) is communicated with the cracking annular cavity (9) through a coking gas outlet (27) arranged on the lower gasification cylinder (3);
the upper end of the lower gasification cylinder (3) penetrates through the partition plate (5) and is movably connected with the bottom of the upper stirring cylinder (2), the lower end of the lower gasification cylinder (3) penetrates through the bottom of the outer cylinder (1) and extends downwards, and the upper end and the lower end of the upper gasification cylinder (3) are respectively movably connected with the partition plate (5) and the bottom of the outer cylinder (1) through bearings;
a plurality of electric heating rods (10) are arranged in the cracking annular cavity (9), and the electric heating rods (10) are connected with heating coils (11) which are wound outside a heat-conducting cylinder (12) arranged outside the lower gasification cylinder (3);
a catalyst bearing plate (23) is arranged in the catalysis annular cavity (8), a catalyst (24) for carrying out catalytic reaction on the cracked coking gas is loaded on the catalyst bearing plate (23), and a gas outlet (25) is formed in the outer barrel (1) above the catalyst (24);
a stirring shaft (17) is arranged in the upper stirring cylinder (2), the upper end of the stirring shaft (17) extends out of the outer cylinder (1) and is fixedly connected with a stirring motor (18) arranged outside the outer cylinder (1), the stirring motor (18) is arranged on a lifting device which is arranged at the top of the outer cylinder (1) and used for lifting the stirring motor (18) to move up and down, and a plurality of stirring blade assemblies (16) are fixedly connected on the stirring shaft (17) in the upper stirring cylinder (2); the lifting device connects or separates the stirring shaft (17) and the plugging device (4), and the plugging device (4) is controlled to be opened or closed;
the mixed biomass entering the upper stirring cylinder (2) is stirred by the stirring blade component (16), when the stirring is finished, the lifting device drives the stirring motor (18) to move downwards, and when the stirring motor (18) moves downwards, the bottom of the stirring shaft (17) is connected with the plugging device (4), the stirring motor (18) drives the stirring shaft (17) to rotate, the plugging device (4) is opened, the mixed biomass after stirring enters the lower gasification barrel (3) through the plugging device (4) to be heated and gasified, the formed coke gas enters the cracking annular cavity (9) to be heated and cracked, the pressure of the coke gas in the cracking annular cavity (9) is continuously increased, when the air pressure in the cracking annular cavity (9) is larger than the set pressure value of the pressure valve (6), the pressure valve (6) is opened, and the coke gas in the cracking annular cavity (9) enters the catalytic annular cavity (8) for catalytic treatment.
2. The biomass blending gasification hydrogen production device according to claim 1, wherein the blocking device (4) comprises a circular fixed baffle plate (401) fixedly arranged on the upper stirring cylinder (2), and a plurality of blanking holes (404) penetrating through the circular fixed baffle plate (401), a circular plugging plate cavity (402) is arranged in the circular fixed partition plate (401), a circular plugging plate (403) is arranged in the plugging plate cavity (402), a plurality of communicating holes (405) are arranged on the circular blocking plate (403), a rotating cylinder (406) is fixedly connected at the central position of the circular blocking plate (403), the upper end of the rotating cylinder (406) extends to the upper part of the circular fixed partition plate (401) and extends upwards, the top of the rotating cylinder (406) is provided with a round hole (407) extending into the rotating cylinder (406), and the bottom of the round hole (407) is provided with a polygonal connecting hole (408); the bottom of the stirring shaft (17) is fixedly connected with a polygonal bulge (1701) matched with the polygonal connecting hole (408);
when the mixed biomass in the upper stirring cylinder (2) is stirred, the circular blocking plate (403) blocks a blanking hole (404) formed in the circular fixed partition plate (401), after the stirring is completed, the lifting device drives the stirring motor (18) to move downwards, a polygonal bulge (1701) below the stirring shaft (17) is inserted into a polygonal connecting hole (408), at the moment, the stirring motor (18) drives the circular blocking plate (403) to rotate, the connecting hole (405) in the circular blocking plate (403) communicates the blanking holes (404) at the upper end and the lower end of the circular blocking plate cavity (402), the stirred material in the upper stirring cylinder (2) enters the lower gasification cylinder (3) through the communicated blanking hole (404), after the blanking is completed, the stirring motor (18) drives the circular blocking plate (403) through the stirring shaft (17), and the connecting hole (405) is staggered with the blanking hole (404), the plugging of the blanking hole (404) is completed, the lifting device drives the stirring shaft (17) to move upwards, the polygonal bulge (1701) is separated from the polygonal connecting hole (408), and the stirring motor (18) drives the stirring blade assembly (16) to stir the mixed biomass in the upper stirring cylinder (2).
3. The biomass blending gasification hydrogen production device according to claim 1, wherein a rotating motor (13) is arranged at the bottom of the outer cylinder (1), a driving gear (14) is fixedly connected to a rotating shaft of the rotating motor (13), and the driving gear (14) is engaged with a driven gear (15) fixedly arranged on a circumferential surface of the lower end of the lower gasification cylinder (3).
4. The biomass blending gasification hydrogen production device according to claim 1 or 3, characterized in that a material leaking device (7) is arranged at the bottom of the lower gasification cylinder (3), the material leaking device (7) comprises an annular circular plate (701) fixedly connected to the lower inner wall of the lower gasification cylinder (3), a first semicircular separation plate (702) and a second semicircular separation plate (703) which are symmetrical to each other are arranged in the annular circular plate (701), the circumferential surfaces of the first semicircular separation plate (702) and the second semicircular separation plate (703) are connected with the circular ring of the annular circular plate (701) through a plurality of compression springs (704), and a guide groove (705) is arranged at the combined end of the first semicircular separation plate (702) and the second semicircular separation plate (703).
5. The biomass blending gasification hydrogen production device according to claim 4, characterized in that the lower part of the outer cylinder (1) is provided with an installation base (28), the installation base (28) is fixedly connected with the circumferential surface of the outer cylinder (1) through a support rod, a screw conveying device (30) is arranged above the installation base (28), the screw conveying device (30) is fixedly connected with the installation base (28) through an electric telescopic cylinder (29), after the heating gasification is completed, the electric telescopic cylinder (29) drives the screw conveying device (30) to move upwards, a feed inlet of the screw conveying device (30) is inserted into the guide groove (705), the lower gasification cylinder (3) is communicated with the feed inlet of the screw conveying device (30), and ash after the heating gasification in the lower gasification cylinder (3) is discharged.
6. The biomass blending gasification hydrogen production device according to claim 1, wherein the stirring blade assembly (16) comprises a branch stirring shaft (1601) fixedly connected to the stirring shaft (17) and vertically connected to the stirring shaft (17), the branch stirring shaft (1601) is crosswise provided with a plurality of connecting stirring shafts (1602) perpendicular to the branch stirring shaft (1601), each connecting stirring shaft (1602) is fixedly provided with a cutting blade (1603) and a stirring blade (1604), and the cutting blades (1603) and the stirring blades (1604) are distributed at intervals.
7. The biomass blending gasification hydrogen production device according to claim 1, wherein the lifting device comprises a fixed support (20) fixedly arranged at the top of the outer cylinder (1), a fixed mounting plate (19) for fixedly mounting the stirring motor (18) is arranged in the fixed support (20), sliding blocks (22) arranged at two ends of the fixed mounting plate (19) are movably connected with sliding rails arranged on the inner side of the fixed support (20), and the fixed mounting plate (19) is fixedly connected with the top of the outer cylinder (1) through a lifting electric cylinder (21).
8. The biomass blending gasification hydrogen production device according to claim 5, wherein the screw conveying device (30) comprises a conveying cylinder (3001), a conveying inlet cylinder (3002) vertically communicated with the conveying cylinder (3001) is arranged on one side of the conveying cylinder (3001), a conveying shaft (3003) is arranged in the conveying cylinder (3001), the end of the conveying shaft (3003) is fixedly connected with a conveying motor (3005) on one side of the conveying cylinder (3001), and a conveying helical blade (3004) is fixedly connected to the conveying shaft (3003).
9. The biomass blending gasification hydrogen production device according to claim 5, characterized in that a plurality of inclined guide vanes (26) are arranged in the lower gasification cylinder (3).
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| CN202010935992.2A CN111943138A (en) | 2020-09-08 | 2020-09-08 | Biomass blending gasification hydrogen production device |
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| CN210496091U (en) * | 2019-08-20 | 2020-05-12 | 广州君恒生物科技有限公司 | Modified high water retention silk facial mask raw materials mixing device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS61106696A (en) * | 1984-10-31 | 1986-05-24 | Ishikawajima Harima Heavy Ind Co Ltd | Gasifier for coal, wood or the like |
| CN101407724A (en) * | 2008-10-27 | 2009-04-15 | 合肥天焱绿色能源开发有限公司 | Vertical combined gasification furnace for solid biomass |
| CN103979491A (en) * | 2014-05-20 | 2014-08-13 | 青岛理工大学 | Method and device for producing hydrogen through blending and gasifying of sludge and biomass |
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Application publication date: 20201117 |