CN110864518A - Two return strokes gyration system of baking - Google Patents
Two return strokes gyration system of baking Download PDFInfo
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- CN110864518A CN110864518A CN201810978337.8A CN201810978337A CN110864518A CN 110864518 A CN110864518 A CN 110864518A CN 201810978337 A CN201810978337 A CN 201810978337A CN 110864518 A CN110864518 A CN 110864518A
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- unit
- shell
- baking
- carbon
- gas
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B11/00—Machines or apparatus for drying solid materials or objects with movement which is non-progressive
- F26B11/02—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles
- F26B11/04—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis
- F26B11/0463—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis having internal elements, e.g. which are being moved or rotated by means other than the rotating drum wall
- F26B11/0477—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis having internal elements, e.g. which are being moved or rotated by means other than the rotating drum wall for mixing, stirring or conveying the materials to be dried, e.g. mounted to the wall, rotating with the drum
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B57/00—Other carbonising or coking processes; Features of destructive distillation processes in general
- C10B57/08—Non-mechanical pretreatment of the charge, e.g. desulfurization
- C10B57/10—Drying
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B23/00—Heating arrangements
- F26B23/04—Heating arrangements using electric heating
- F26B23/06—Heating arrangements using electric heating resistance heating
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
Abstract
The invention discloses a double-return-stroke rotary baking system, wherein a biomass raw material enters a baking unit through a feeding unit, baking gas and baking charcoal are generated after baking, the baking gas is separated through a charcoal gas separation unit, the baking gas enters a pyrolysis gas dehydration purification unit, the baking gas can be reused after purification, energy is saved, and the baking charcoal enters a charcoal discharge unit. The baking unit comprises an inner barrel, a shell and a rotating device, the shell is sleeved outside the inner barrel, a gap is formed between the shell and the inner barrel, the rotating device can drive the inner barrel and the shell to rotate, a heating unit is arranged outside the shell, the shell is communicated with the inner barrel, an inner shoveling plate is arranged on the inner wall of the inner barrel, an outer shoveling plate is arranged on the inner wall of the shell, the inner shoveling plate and the outer shoveling plate are both in a spiral shape, the rotating directions of the inner shoveling plate and the outer shoveling plate are opposite, after materials enter the baking unit, the materials are conveyed into cavities of the inner barrel and the shell through the inner shoveling plate and then conveyed to the carbon-gas separation unit through the outer shoveling plate, the baking unit.
Description
Technical Field
The invention relates to the technical field of baking machinery, in particular to a double-return-stroke rotary baking system.
Background
The baking is a slow pyrolysis process with the reaction temperature between the normal pressure and the temperature of 200-300 ℃ under the condition of isolating oxygen under the normal pressure. Most of moisture and partial oxygen-containing volatile components in the biomass can be removed, a liquid product mainly comprising moisture and acetic acid and a gas product mainly comprising CO2 are formed, the mass yield of the baked biomass sample is generally 70%, the energy yield is high (90%), and the energy density of the baked biomass can be improved by about 30%. Compared with the traditional drying technology, the baking pretreatment can remove moisture in the biomass, prevent re-absorption of water, improve grindability and physicochemical structure of the biomass, thermally decompose hemicellulose easily decomposed in the biomass, and effectively improve energy density. Therefore, the biomass baking becomes one of important development directions of biomass pretreatment technology, and has good application prospects.
Pyrolysis is a reaction process in which substances are decomposed by heating, and many inorganic and organic substances are decomposed when heated to a certain degree. The existing baking equipment generally utilizes baking to pretreat biomass, and the biomass is introduced into the pyrolysis equipment after the temperature is reduced to normal temperature, so that a part of energy is lost during the pyrolysis reaction, and the industrial popularization and application are not facilitated.
Therefore, how to change the current situation that energy is wasted due to the fact that the biomass is pyrolyzed after being cooled to normal temperature after being pretreated by baking equipment in the prior art is a problem to be solved urgently by technical staff in the field.
Disclosure of Invention
The invention aims to provide a double-return-stroke rotary baking system, which is used for solving the problems in the prior art, and separating carbon from baking gas and baking charcoal generated by baking biomass, so that the baking gas can be purified and reused, and the energy utilization rate is improved.
In order to achieve the purpose, the invention provides the following scheme: the invention provides a double-return-stroke rotary baking system which comprises a feeding unit, a baking unit, a carbon-gas separation unit, a carbon outlet unit and a pyrolysis gas dehydration and purification unit, wherein the feeding unit is communicated with the baking unit and can convey materials to the baking unit;
the baking unit comprises an inner barrel, a shell and a rotating device, the shell is sleeved outside the inner barrel, a gap is formed between the shell and the inner barrel, the rotating device can drive the inner barrel and the shell to rotate, a heating unit is arranged outside the shell, the shell is communicated with the inner barrel, an inner shoveling plate is arranged on the inner wall of the inner barrel, an outer shoveling plate is arranged on the inner wall of the shell, the inner shoveling plate and the outer shoveling plate are both in a spiral shape, the rotating direction of the inner shoveling plate is opposite to that of the outer shoveling plate, the inner cavity of the inner barrel is respectively communicated with the feeding unit and the pyrolysis gas dehydration and purification unit, and the cavity between the inner barrel and the shell is communicated with the carbon gas separation unit.
Preferably, the inner cylinder and the shell are coaxially arranged, the inner cylinder is fixedly connected with the shell, the shell is rotatably connected with the carbon-gas separation unit, and a sealing component is arranged between the shell and the carbon-gas separation unit.
Preferably, the shell extends into the carbon-gas separation unit, the sealing assembly comprises a first baffle ring and a second baffle ring, the first baffle ring and the second baffle ring are sleeved on the shell, the first baffle ring, the second baffle ring, the shell and the carbon-gas separation unit enclose a circulating oil cavity, the circulating oil cavity is provided with an oil filling port, mechanical sealing oil can be filled into the circulating oil cavity through the oil filling port, and the oil filling port penetrates through the carbon-gas separation unit; the shell is further sleeved with a third retaining ring and a fourth retaining ring, the third retaining ring is arranged on one side close to the first retaining ring, the fourth retaining ring is arranged on one side close to the second retaining ring, and sealing fillers are arranged between the first retaining ring and the third retaining ring and between the second retaining ring and the fourth retaining ring; the charcoal gas separation unit is further provided with a baffle, the baffle is abutted to the third baffle ring, one side of the fourth baffle ring is further provided with a pressing flange, the pressing flange extends into the shell and the charcoal gas separation unit, and a gasket is arranged between the pressing flange and the charcoal gas separation unit.
Preferably, the sealing packing is a graphite packing, and the gasket is made of graphite.
Preferably, the feeding unit is communicated with the inner cavity of the inner cylinder through a screw conveyor, a communication port through which the inner cylinder is communicated with the outer shell is located at one end far away from the screw conveyor, a communication port through which a cavity between the inner cylinder and the outer shell is communicated with the carbon-gas separation unit is located at one end close to the screw conveyor, and a communication port through which the inner cavity of the inner cylinder is communicated with the pyrolysis gas dehydration and purification unit is located at one end far away from the screw conveyor.
Preferably, the gas outlet of the carbon gas separation unit connected with the pyrolysis gas dehydration and purification unit is positioned at the top of the carbon gas separation unit, and the outlet of the carbon gas separation unit connected with the carbon outlet unit is positioned at the bottom of the carbon gas separation unit.
Preferably, the inner cylinder is connected with one end of the outer shell through a supporting hub, and the inner cylinder is connected with the other end of the outer shell in a welding mode.
Preferably, the pyrolysis gas dehydration purification unit is also connected with the heating unit.
Compared with the prior art, the invention has the following technical effects: the double-return-stroke rotary baking system comprises a feeding unit, a baking unit, a carbon-gas separation unit, a carbon outlet unit and a pyrolysis gas dehydration and purification unit, wherein the feeding unit is communicated with the baking unit and can convey materials to the baking unit; the biomass raw material enters the baking unit through the feeding unit, baking gas and baking charcoal are generated after baking, the baking gas is separated through the charcoal gas separation unit, the baking gas enters the pyrolysis gas dehydration purification unit, the gas can be reused after purification, energy is saved, and the baking charcoal enters the charcoal discharging unit. The baking unit comprises an inner cylinder, a shell and a rotating device, the shell is sleeved outside the inner cylinder, a gap is formed between the shell and the inner cylinder, the rotating device can drive the inner cylinder and the shell to rotate, a heating unit is arranged outside the shell, the shell is communicated with the inner cylinder, an inner shoveling plate is arranged on the inner wall of the inner cylinder, an outer shoveling plate is arranged on the inner wall of the shell, the inner shoveling plate and the outer shoveling plate are both spiral, the rotating directions of the inner shoveling plate and the outer shoveling plate are opposite, the inner cavity of the inner cylinder is respectively communicated with a feeding unit and a pyrolysis gas dehydration and purification unit, a cavity between the inner cylinder and the shell is communicated with a carbon gas separation unit, after materials enter the baking unit, the materials are conveyed into cavities of the inner cylinder and the shell through the inner shoveling plate and then conveyed to the carbon gas separation unit through.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a schematic diagram of a dual return rotary torrefaction system according to the present invention;
FIG. 2 is a schematic structural diagram of a baking unit of the dual return rotary baking system of the present invention;
FIG. 3 is a schematic diagram of the construction of the torrefaction unit and the char-gas separation unit of the dual-pass rotary torrefaction system of the present invention;
FIG. 4 is an enlarged schematic view of the structure at A in FIG. 3;
the device comprises a feeding unit 1, a baking unit 2, a carbon-gas separation unit 3, a carbon-gas discharge unit 4, a pyrolysis gas dehydration and purification unit 5, an inner cylinder 6, a shell 7, a rotating device 8, a heating unit 9, an inner shoveling plate 10, an outer shoveling plate 11, a sealing component 12, a first baffle ring 13, a second baffle ring 14, a third baffle ring 15, a fourth baffle ring 16, a baffle plate 17, a flange 18, a sealing filler 19, a circulating oil cavity 20, an oil injection port 21, a gasket 22 and a support hub 23.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious 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 invention aims to provide a double-return-stroke rotary baking system, which is used for solving the problems in the prior art, and separating carbon from baking gas and baking charcoal generated by baking biomass, so that the baking gas can be purified and reused, and the energy utilization rate is improved.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Referring to fig. 1 to 4, fig. 1 is a schematic structural diagram of a dual-pass rotary torrefaction system of the present invention, fig. 2 is a schematic structural diagram of a torrefaction unit of the dual-pass rotary torrefaction system of the present invention, fig. 3 is a schematic structural diagram of a torrefaction unit and a charcoal gas separation unit of the dual-pass rotary torrefaction system of the present invention, and fig. 4 is an enlarged schematic structural diagram of a point a in fig. 3.
The invention provides a double-return-stroke rotary baking system which comprises a feeding unit 1, a baking unit 2, a carbon gas separation unit 3, a carbon discharging unit 4 and a pyrolysis gas dehydration and purification unit 5, wherein the feeding unit 1 is communicated with the baking unit 2, the feeding unit 1 can convey materials to the baking unit 2, the baking unit 2 is communicated with the carbon gas separation unit 3, the carbon gas separation unit 3 is respectively connected with the carbon discharging unit 4 and the pyrolysis gas dehydration and purification unit 5, the carbon gas separation unit 3 can separate baking gas and baking carbon generated by baking, the separated baking gas enters the pyrolysis gas dehydration unit, and the separated baking carbon enters the carbon discharging unit 4; biomass raw materials enter the baking unit 2 through the feeding unit 1, baking gas and baking charcoal are generated after baking, the baking gas is separated through the charcoal gas separation unit 3, the baking gas enters the pyrolysis gas dehydration purification unit 5, the baking charcoal can be reused after purification, energy is saved, and the baking charcoal enters the charcoal outlet unit 4.
The baking unit 2 comprises an inner cylinder 6, a shell 7 and a rotating device 8, the shell 7 is sleeved outside the inner cylinder 6, a gap is formed between the shell 7 and the inner cylinder 6, the rotating device 8 can drive the inner cylinder 6 and the shell 7 to rotate, a heating unit 9 is arranged outside the shell 7, the shell 7 is communicated with the inner cylinder 6, an inner shoveling plate 10 is arranged on the inner wall of the inner cylinder 6, an outer shoveling plate 11 is arranged on the inner wall of the shell 7, the inner shoveling plate 10 and the outer shoveling plate 11 are both in a spiral shape, the rotating directions of the inner shoveling plate 10 and the outer shoveling plate 11 are opposite, the inner cavity of the inner cylinder 6 is respectively communicated with the feeding unit 1 and the pyrolysis gas dehydration and purification unit 5, and the cavity between. After the materials enter the baking unit 2, the materials are mainly dried in the inner barrel 6, most of generated water vapor is guided into the pyrolysis gas dehydration purification unit 5, the materials are conveyed into a cavity between the inner barrel 6 and the outer shell 7 through the inner shoveling plate 10 after being dried, the materials are subjected to baking reaction in the cavity between the rotary outer shell 7 and the inner barrel 6 and then conveyed to the carbon gas separation unit 3 through the outer shoveling plate 11, the baking unit 2 adopts double-pass rotary pyrolysis, the equipment occupies a small area, and the energy utilization rate is improved.
Wherein, inner tube 6 and shell 7 coaxial setting, inner tube 6 and shell 7 fixed link to each other, and shell 7 rotates with charcoal gas separation unit 3 to be connected, sets up seal assembly 12 between shell 7 and the charcoal gas separation unit 3. The inner barrel 6 and the outer shell 7 are driven by the rotating device 8 to rotate, the inner shoveling plate 10 and the outer shoveling plate 11 convey materials, the heating unit 9 heats the materials in the baking unit 2, the baking unit 2 is connected with the carbon-gas separation unit 3, the outer shell 7 extends into the carbon-gas separation unit 3, the outer shell 7 is rotatably connected with the carbon-gas separation unit 3, and the rotating connection position is provided with a sealing component 12 to ensure the sealing performance of the rotating connection position in the working process.
Specifically, the shell 7 extends into the charcoal gas separation unit 3, the sealing assembly 12 comprises a first baffle ring 13 and a second baffle ring 14, the first baffle ring 13 and the second baffle ring 14 are sleeved on the shell 7, the first baffle ring 13, the second baffle ring 14, the shell 7 and the charcoal gas separation unit 3 define a circulating oil cavity 20, the circulating oil cavity 20 is provided with an oil filling port 21, mechanical sealing oil can be filled into the circulating oil cavity 20 through the oil filling port 21, and the oil filling port 21 penetrates through the charcoal gas separation unit 3; a third retaining ring 15 and a fourth retaining ring 16 are further sleeved on the shell 7, the third retaining ring 15 is arranged on one side close to the first retaining ring 13, the fourth retaining ring is arranged on one side close to the second retaining ring 14, and sealing fillers 19 are respectively arranged between the first retaining ring 13 and the third retaining ring 15 and between the second retaining ring 14 and the fourth retaining ring 16; the charcoal gas separation unit 3 is further provided with a baffle 17, the baffle 17 is abutted against the third baffle ring 15, one side of the fourth baffle ring 16 is further provided with a pressing flange 18, the pressing flange 18 extends between the shell 7 and the charcoal gas separation unit 3, and a gasket 22 is arranged between the pressing flange 18 and the charcoal gas separation unit 3. When the shell 7 and the carbon-gas separation unit 3 rotate relatively, the baffle plate 17 and the pressing flange 18 play a role in pressing, the first blocking ring 13 and the third blocking ring 15 are matched with the sealing filler 19 between the first blocking ring and the third blocking ring, the second blocking ring 14 and the fourth blocking ring are matched with the sealing filler 19 between the first blocking ring and the fourth blocking ring to form a middle circulating oil cavity 20, sealing oil is injected into the circulating oil cavity 20 through the oil injection port 21, the baking gas generated by the baking unit 2 is prevented from leaking, and the mechanical sealing is reliable and effective.
In order to enhance the sealing effect, the sealing packing 19 is a graphite packing, and the gasket 22 is made of graphite.
More specifically, the feeding unit 1 is communicated with the inner cavity of the inner barrel 6 through a screw conveyer, a communication port of the inner barrel 6 communicated with the outer shell 7 is positioned at one end far away from the screw conveyer, a communication port of the cavity between the inner barrel 6 and the outer shell 7 communicated with the carbon gas separation unit 3 is positioned at one end close to the screw conveyer, and a communication port of the inner cavity of the inner barrel 6 communicated with the pyrolysis gas dehydration and purification unit 5 is positioned at one end far away from the screw conveyer. The structural design of the two-way rotation of the baking unit 2 only needs to ensure the dynamic seal of one side of the shell 7 and the carbon-gas separation unit 3, so that the high-temperature dynamic seal pressure is reduced, and compared with single-way pyrolysis equipment, the high-temperature carbon-gas separation device has the advantages of small occupied area and high energy utilization rate.
In addition, the gas outlet of the carbon gas separation unit 3 connected with the pyrolysis gas dehydration purification unit 5 is positioned at the top of the carbon gas separation unit 3, and the outlet of the carbon gas separation unit 3 connected with the carbon outlet unit 4 is positioned at the bottom of the carbon gas separation unit 3.
Further, the inner cylinder 6 is connected with one end of the outer shell 7 through a supporting hub 23, and the inner cylinder 6 is connected with the other end of the outer shell 7 in a welding mode.
In order to further improve the energy utilization rate, the pyrolysis gas dehydration and purification unit 5 is also connected with the heating unit 9, and the dehydrated and purified baking gas is used for heating the baking unit 2, so that the energy is saved.
According to the double-return-stroke rotary baking system, biomass raw materials enter the baking unit 2 through the feeding unit 1, baking gas and baking charcoal are generated after baking, the baking gas is separated through the charcoal gas separation unit 3, the baking gas enters the pyrolysis gas dehydration and purification unit 5, the baking gas can be reused after purification, energy is saved, and the baking charcoal enters the charcoal discharge unit 4. The baking unit 2 comprises an inner cylinder 6, a shell 7 and a rotating device 8, the shell 7 is sleeved outside the inner cylinder 6, a gap is formed between the inner cylinder 6 and the shell 7, the rotating device 8 can drive the inner cylinder 6 and the shell 7 to rotate, a heating unit 9 is arranged outside the shell 7, the shell 7 is communicated with the inner cylinder 6, an inner shoveling plate 10 is arranged on the inner wall of the inner cylinder 6, an outer shoveling plate 11 is arranged on the inner wall of the shell 7, the inner shoveling plate 10 and the outer shoveling plate 11 are both in a spiral shape, the rotating directions of the inner shoveling plate 10 and the outer shoveling plate 11 are opposite, the inner cavity of the inner cylinder 6 is respectively communicated with the feeding unit 1 and the pyrolysis gas dehydration and purification unit 5, the cavity between the inner cylinder 6 and the shell 7 is communicated with the carbon gas separation unit 3, after materials enter the baking unit 2, the inner shoveling plate 10 is conveyed into the cavities of the inner cylinder 6 and the shell 7, the equipment occupies a small area, and the baking gas is collected and recycled, so that the energy utilization rate is improved.
The principle and the implementation mode of the invention are explained by applying a specific example, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (8)
1. A two return stroke gyration baking system which characterized in that: the device comprises a feeding unit, a baking unit, a carbon-gas separation unit, a carbon discharge unit and a pyrolysis gas dehydration purification unit, wherein the feeding unit is communicated with the baking unit, the feeding unit can convey materials to the baking unit, the baking unit is communicated with the carbon-gas separation unit, the carbon-gas separation unit is respectively connected with the carbon discharge unit and the pyrolysis gas dehydration purification unit, the carbon-gas separation unit can separate baking gas and baking carbon generated by baking, the separated baking gas enters the pyrolysis gas dehydration unit, and the separated baking carbon enters the carbon discharge unit;
the baking unit comprises an inner barrel, a shell and a rotating device, the shell is sleeved outside the inner barrel, a gap is formed between the shell and the inner barrel, the rotating device can drive the inner barrel and the shell to rotate, a heating unit is arranged outside the shell, the shell is communicated with the inner barrel, an inner shoveling plate is arranged on the inner wall of the inner barrel, an outer shoveling plate is arranged on the inner wall of the shell, the inner shoveling plate and the outer shoveling plate are both in a spiral shape, the rotating direction of the inner shoveling plate is opposite to that of the outer shoveling plate, the inner cavity of the inner barrel is respectively communicated with the feeding unit and the pyrolysis gas dehydration and purification unit, and the cavity between the inner barrel and the shell is communicated with the carbon gas separation unit.
2. The dual-pass rotary torrefaction system of claim 1, wherein: the inner tube with the shell is coaxial to be set up, the inner tube with the shell is fixed continuous, the shell with charcoal gas separation unit rotates to be connected, the shell with set up seal assembly between the charcoal gas separation unit.
3. The dual-pass rotary torrefaction system of claim 2, wherein: the shell extends into the carbon-gas separation unit, the sealing assembly comprises a first baffle ring and a second baffle ring, the first baffle ring and the second baffle ring are sleeved on the shell, the first baffle ring, the second baffle ring, the shell and the carbon-gas separation unit enclose a circulating oil cavity, the circulating oil cavity is provided with an oil filling port, mechanical sealing oil can be filled into the circulating oil cavity through the oil filling port, and the oil filling port penetrates through the carbon-gas separation unit; the shell is further sleeved with a third retaining ring and a fourth retaining ring, the third retaining ring is arranged on one side close to the first retaining ring, the fourth retaining ring is arranged on one side close to the second retaining ring, and sealing fillers are arranged between the first retaining ring and the third retaining ring and between the second retaining ring and the fourth retaining ring; the charcoal gas separation unit is further provided with a baffle, the baffle is abutted to the third baffle ring, one side of the fourth baffle ring is further provided with a pressing flange, the pressing flange extends into the shell and the charcoal gas separation unit, and a gasket is arranged between the pressing flange and the charcoal gas separation unit.
4. The dual-pass rotary torrefaction system of claim 3, wherein: the sealing packing is a graphite packing, and the gasket is made of graphite materials.
5. The dual-pass rotary torrefaction system of claim 1, wherein: the feeding unit is communicated with the inner cavity of the inner barrel through a spiral conveyer, a communication port of the inner barrel, which is communicated with the shell, is positioned at one end far away from the spiral conveyer, a communication port of a cavity between the inner barrel and the shell, which is communicated with the carbon-gas separation unit, is positioned at one end close to the spiral conveyer, and a communication port of the inner cavity of the inner barrel, which is communicated with the pyrolysis gas dehydration and purification unit, is positioned at one end far away from the spiral conveyer.
6. The dual-pass rotary torrefaction system of claim 1, wherein: the gas outlet that the charcoal gas separating element links to each other with pyrolysis gas dehydration purification unit is located the top of charcoal gas separating element, the charcoal gas separating element with the export that goes out the charcoal unit and link to each other is located the bottom of charcoal gas separating element.
7. The dual-pass rotary torrefaction system of claim 2, wherein: the inner tube with the one end of shell is connected through supporting wheel hub, the inner tube with the other end welding of shell links to each other.
8. The dual-pass rotary torrefaction system of claim 1, wherein: the pyrolysis gas dehydration purification unit is also connected with the heating unit.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810978337.8A CN110864518B (en) | 2018-08-27 | 2018-08-27 | Two return strokes gyration system of baking |
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|---|---|---|---|
| CN201810978337.8A CN110864518B (en) | 2018-08-27 | 2018-08-27 | Two return strokes gyration system of baking |
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| CN110864518B CN110864518B (en) | 2021-06-04 |
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| CN113214849A (en) * | 2021-04-26 | 2021-08-06 | 南京火炎焱环保科技有限公司 | Organic matter treatment device and treatment method thereof |
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| CN113214849A (en) * | 2021-04-26 | 2021-08-06 | 南京火炎焱环保科技有限公司 | Organic matter treatment device and treatment method thereof |
| CN113122296A (en) * | 2021-04-28 | 2021-07-16 | 中国农业科学院农业环境与可持续发展研究所 | Biomass and agricultural film co-pyrolysis method based on double-cylinder structure |
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