CN218755594U - Biomass resource utilization treatment device - Google Patents
Biomass resource utilization treatment device Download PDFInfo
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- CN218755594U CN218755594U CN202223404585.2U CN202223404585U CN218755594U CN 218755594 U CN218755594 U CN 218755594U CN 202223404585 U CN202223404585 U CN 202223404585U CN 218755594 U CN218755594 U CN 218755594U
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Abstract
The utility model discloses a biomass resource utilization treatment device, which comprises a pretreatment unit, a feeding unit, a pyrolysis unit, a condensation separation unit, a non-condensable gas treatment unit and a water-cooling discharging unit; the pretreatment unit comprises a crusher and a feeding bin, and is connected with the pyrolysis unit through the feeding unit; the pyrolysis unit is provided with a multilayer conveying device and a heating device and is connected with the water-cooling discharging unit through a solid product outlet; the top of the pyrolysis unit is connected with the condensation separation unit through a high-temperature gas outlet; a non-condensable gas outlet is formed in the top of the condensation separation unit and connected with a non-condensable gas treatment unit; the bottom of the condensation separation unit is provided with a liquid outlet which is connected with a liquid separation device, and the liquid separation device is provided with an oil product outlet, a pyroligneous liquor outlet and a sewage outlet. The utility model provides a brand-new device for the resource utilization of biomass such as straw and the like.
Description
Technical Field
The utility model relates to a living beings utilization field, specifically speaking relate to a living beings utilization processing apparatus.
Background
The total amount of biomass resources in China converted into standard coal is about 10-15 million tons per year, and nearly 6 million tons of biomass resources can be recycled. Biomass energy is stable renewable energy, and although biomass energy resources in China are rich, part of the biomass resources are not effectively utilized, such as nearly 7 hundred million tons of straws, 42% of which are returned to the field directly or through the belly, 30% of which are used as agricultural fuels, 8% of which are used as industrial or other purposes, and 20% of which are not utilized. The biomass is used as an excellent low-carbon low-emission renewable energy source, and the development potential of the biomass-related industry for producing environment-friendly energy sources and biochemical products with high additional values is huge, so that the development of resource utilization treatment devices for biomass such as straws and the like is urgently needed.
SUMMERY OF THE UTILITY MODEL
Based on the technical problem, the utility model provides a living beings utilization processing apparatus.
The utility model discloses the technical solution who adopts is:
a biomass resource utilization treatment device comprises a pretreatment unit, a feeding unit, a pyrolysis unit, a condensation separation unit, a non-condensable gas treatment unit and a water-cooling discharge unit;
the pretreatment unit comprises a crusher and a feeding bin, an outlet of the crusher is communicated with the feeding bin, and an outlet at the bottom of the feeding bin is connected with the feeding unit;
the feeding unit comprises an inclined conveying device, a feeding end is arranged at the bottom of the inclined conveying device, a discharging end is arranged at the top of the inclined conveying device, and the discharging end is connected with the pyrolysis unit;
the pyrolysis unit comprises a pyrolysis shell, a feed inlet is formed in one end of the top of the pyrolysis shell, the feed inlet is communicated with a discharge end of the inclined conveying device, a first conveying device, a second conveying device and a third conveying device are arranged inside the pyrolysis shell, the first conveying device, the second conveying device and the third conveying device are respectively horizontally arranged on an upper layer, a middle layer and a lower layer inside the pyrolysis shell, and the first conveying device, the second conveying device and the third conveying device are arranged in a staggered mode; a radiation heating device is also arranged in the pyrolysis shell and is arranged on the side wall of the pyrolysis shell; a solid product outlet is formed in the bottom of the pyrolysis shell and connected with the water-cooling discharging unit;
the top of the pyrolysis shell is also provided with a high-temperature gas outlet, the high-temperature gas outlet is connected with a condensation separation unit through a high-temperature gas conveying pipeline, the condensation separation unit comprises a spray tower body, the bottom of the spray tower body is provided with a high-temperature oil gas inlet, a first treatment filler is arranged inside the spray tower body, and a spray head is arranged inside the spray tower body and above the first treatment filler; a non-condensable gas outlet is arranged at the top of the spray tower body and is connected with a non-condensable gas processing unit;
the bottom of the spray tower body is provided with a liquid outlet, the liquid outlet is connected with a liquid separation device, the liquid separation device comprises a liquid separation shell, a partition plate is arranged inside the liquid separation shell, and an oil outlet, a pyroligneous liquor outlet and a sewage outlet are further formed in the liquid separation shell.
Preferably, the inclined conveying device is an inclined belt conveyor; a buffer storage bin is also arranged between the discharge end and the feed inlet, a high-low material level alarm device is arranged on the buffer storage bin, and a distributing device is arranged at the bottom of the buffer storage bin.
Preferably, the first conveying device, the second conveying device and the third conveying device are all tracks, fire grates or chain plates; the radiation heating device adopts a radiation tube, a heating rod or a heating plate.
Preferably, the water-cooling discharging unit comprises a conveying discharging section, one end of the conveying discharging section is provided with a solid product inlet, the other end of the conveying discharging section is provided with a solid product outlet, and the outer side of the conveying discharging section is provided with a water-cooling jacket.
Preferably, a horizontal partition plate is arranged between the first conveying device and the second conveying device, one end of the horizontal partition plate is connected with the pyrolysis shell, and a blanking port is reserved between the other end of the horizontal partition plate and the pyrolysis shell; plows and rakes for turning materials are arranged at intervals on the top of the pyrolysis shell and the horizontal partition plate.
Preferably, the noncondensable gas processing unit includes that the noncondensable gas handles the casing, is provided with the air inlet in the bottom of noncondensable gas processing casing, and the air inlet is linked together with the noncondensable gas export, is provided with the second in the inside of noncondensable gas processing casing and handles the filler, is provided with the gas outlet at the top of noncondensable gas processing casing, and the gas outlet is connected and is supplied fuel conveying pipeline.
Preferably, the partition plate comprises a first vertical partition plate and a second vertical partition plate, the bottom ends of the first vertical partition plate and the second vertical partition plate are both connected with the bottom surface of the liquid separation shell, and the height of the first vertical partition plate is higher than that of the second vertical partition plate;
the oil product outlet and the pyroligneous liquor outlet are both arranged on the side wall of the liquid separation shell and are positioned at one side close to the second vertical partition plate, and the height of the oil product outlet is higher than that of the pyroligneous liquor outlet; the sewage outlet is arranged on the bottom surface of the liquid separation shell and is positioned between the first vertical separation plate and the second vertical separation plate.
Preferably, the sewage outlet is connected with the sewage sedimentation unit, the sewage sedimentation unit comprises a sewage sedimentation shell, a sewage inlet is formed in one end of the top of the sewage sedimentation shell, a purified water outlet is formed in the side wall of the sewage sedimentation shell, and a dust-containing sewage outlet is formed in the bottom of the sewage sedimentation shell.
Preferably, the purified water outlet is connected with the spray header through a circulating water conveying pipeline.
The utility model has the beneficial technical effects that:
the utility model provides a brand-new device for the resource utilization of biomass such as straws and the like. The device truly realizes the resource utilization of biomass for the byproduct of oil products with high added value, pyroligneous liquor, non-condensable gas and biomass fuel or carbon-based fertilizer in the biomass treatment process.
Drawings
The present invention will be further described with reference to the following drawings and embodiments:
FIG. 1 is a schematic view of the structure principle of the present invention;
FIG. 2 is a schematic view of the structure of the pyrolysis unit of the present invention;
FIG. 3 is a schematic view of the structure of the feeding unit and the pyrolysis unit;
FIG. 4 is a schematic view of the liquid separator of the present invention;
fig. 5 is a schematic view of the process for biomass treatment according to the present invention.
In the figure: i, a pretreatment unit, II, a feeding unit, III, a pyrolysis unit, IV, a condensation separation unit, V, a sewage settling unit, VI, a non-condensable gas treatment unit and VII, a water-cooling discharging unit;
1-a crusher, 2-a feeding bin, 3-a large-inclination-angle belt conveyor, 4-a feeding port, 5-a high-temperature oil gas outlet, 6-a solid product outlet, 7-a high-temperature oil gas inlet, 8-a spray tower body, 9-a first treatment filler, 10-a non-condensable gas outlet, 11-a liquid outlet, 12-a liquid separation device, 13-an oil product outlet, 14-a pyroligneous liquid outlet, 15-a sewage outlet, 16-a sewage inlet, 17-a purified water outlet, 18-a dust-containing sewage outlet, 19-an air inlet, 20-a second treatment filler, 21-a gas outlet, 22-a solid product inlet, 23-a water cooling jacket, 24-a solid product outlet and 25-a buffer bin;
301-pyrolysis shell, 302-first conveying device, 303-second conveying device, 304-third conveying device, 305-radiation heating device, 306-horizontal partition plate, 307-blanking port and 308-plow harrow;
1201-liquid separation housing, 1202-first vertical separation plate, 1203-second vertical separation plate.
Detailed Description
As shown in the figures 1-2, the biomass resource utilization treatment device comprises a pretreatment unit I, a feeding unit II, a pyrolysis unit III, a condensation separation unit IV, a non-condensable gas treatment unit VI and a water-cooling discharging unit VII. The pretreatment unit I comprises a crusher 1 and a feeding bin 2, wherein the crusher 1 adopts a shear type crusher to crush biomass into small pieces smaller than 10 mm. The outlet of the crusher 1 is communicated with the feeding bin 2, and the outlet at the bottom of the feeding bin 2 is connected with the feeding unit II. The feeding unit comprises an inclined conveying device, a feeding end is arranged at the bottom of the inclined conveying device, a discharging end is arranged at the top of the inclined conveying device, and the discharging end is connected with a pyrolysis unit III. The inclined conveying device is a belt conveyor 3 with a large inclination angle. The pyrolysis unit III comprises a pyrolysis shell 301, a feed inlet 4 is formed in one end of the top of the pyrolysis shell 301, and the feed inlet 4 is communicated with the discharge end of the inclined conveying device. The first conveying device 302, the second conveying device 303 and the third conveying device 304 are arranged inside the pyrolysis shell, the first conveying device, the second conveying device and the third conveying device are respectively horizontally arranged on the upper layer, the middle layer and the lower layer inside the pyrolysis shell, and the first conveying device, the second conveying device and the third conveying device are arranged in a staggered mode. A radiant heating device 305 is also arranged inside the pyrolysis housing 301, said radiant heating device 305 being arranged on a side wall of the pyrolysis housing. And a solid product outlet 6 is arranged at the bottom of the pyrolysis shell, and the solid product outlet 6 is connected with the water-cooling discharging unit VII. The water-cooling discharging unit VII comprises a conveying discharging section, one end of the conveying discharging section is provided with a solid product inlet 22, the other end of the conveying discharging section is provided with a solid product outlet 24, the outer side of the conveying discharging section is provided with a water-cooling jacket 23, and cooling water is introduced into the water-cooling jacket 23. And the water-cooling discharging unit adopts an indirect water-cooling jacket mode for cooling, and the solid product is cooled to 30-80 ℃ and then is sent into a warehouse.
Still be provided with high-temperature gas export 5 at the top of pyrolysis casing, high-temperature gas exports through high-temperature gas pipeline and connects condensation separation unit IV, condensation separation unit includes spray tower body 8, is provided with high-temperature oil gas import 7 in spray tower body 8's bottom, is provided with first processing filler 9 in spray tower body's inside. And a spray header is arranged in the spray tower body and above the first treatment filler. The top of the spray tower body is provided with a non-condensable gas outlet 10, and the non-condensable gas outlet 10 is connected with a non-condensable gas processing unit. The non-condensable gas processing unit VI comprises a non-condensable gas processing shell, a gas inlet 19 is formed in the bottom end of the non-condensable gas processing shell, the gas inlet 19 is communicated with a non-condensable gas outlet 10, a second processing filler 20 is arranged in the non-condensable gas processing shell, a gas outlet 21 is formed in the top of the non-condensable gas processing shell, and the gas outlet is connected with a supplementary fuel conveying pipeline. The bottom of the spray tower body is provided with a liquid outlet 11, and the liquid outlet 11 is connected with a liquid separation device 12. The liquid separation device 12 comprises a liquid separation shell 1201, a partition plate is arranged in the liquid separation shell, and an oil product outlet 13, a pyroligneous liquor outlet 14 and a sewage outlet 15 are further arranged on the liquid separation shell.
In the spray tower body 8, cooling water is directly sprayed for cooling to 60-80 ℃, water, oil and pyroligneous liquor are condensed into liquid, the liquid mixture flows into a liquid separation device, after gravity settling separation, the upper oil is sent into an oil tank to realize resource recovery, the middle pyroligneous liquor is sent into a product storage tank, the lower sewage is sent into a sewage settling unit, and non-condensable gas enters a non-condensable gas treatment unit from the top of the device. The non-condensable gas from the condensation separation unit can be used as supplementary fuel after liquid separation, desulfurization and pressurization.
The utility model provides a brand-new device for the resource utilization of biomass such as straws and the like. The device truly realizes the resource utilization of biomass for the byproduct of oil products with high added value, pyroligneous liquor, non-condensable gas and biomass fuel or carbon-based fertilizer in the biomass treatment process.
As right the utility model discloses a further design, as shown in fig. 3, still be provided with buffer memory feed bin 25 between discharge end and feed inlet, be provided with height material level alarm device on buffer memory feed bin 25, be provided with the distributing device in buffer memory feed bin 25's bottom. Conveying small biomass blocks from the pretreatment unit into a cache bin through a large-inclination-angle belt, setting high and low level material level alarm in the bin, and stopping feeding after the high level material level alarm; and when the low material level alarms, starting feeding until the high material level alarms and then stopping feeding. The bottom of the storage bin is provided with a dry distributor which enters the pyrolysis unit after being uniformly distributed.
Further, the first conveyor 302, the second conveyor 303 and the third conveyor 304 are tracks, grates or chain plates. The radiant heating device 305 employs a radiant tube, a heating rod or a heating plate.
Further, a horizontal partition 306 is arranged between the first conveying device and the second conveying device, one end of the horizontal partition 306 is connected with the pyrolysis shell, and a blanking port 307 is reserved between the other end of the horizontal partition and the pyrolysis shell. Plow harrow 308 for turning over materials is arranged on the top of the pyrolysis shell and the horizontal clapboard at intervals.
In the pyrolysis unit, on the conveyer device of living beings tiling in the pyrolysis shell, along with conveyer device removes, does not roll and does not have the extrusion, and the nearly no dust produces in the processing procedure, has solved the jam problem, and the few quality of dust is high in the oil simultaneously. The biomass is heated to 400-600 ℃ in the pyrolysis device through the heating device, so that the water in the biomass is evaporated, the macromolecular organic matters are heated and decomposed, and the produced high-temperature oil gas enters the condensation separation unit through the top high-temperature oil gas outlet. And feeding the solid product produced by pyrolysis into a discharging device. The operating pressure in the furnace is micro-positive pressure.
Further, as shown in fig. 4, the partition plate includes a first vertical partition plate 1202 and a second vertical partition plate 1203, bottom ends of the first vertical partition plate 1202 and the second vertical partition plate 1203 are both connected with a bottom surface of the liquid separation housing, and a height of the first vertical partition plate 1202 is higher than that of the second vertical partition plate 1203. The oil product outlet 13 and the pyroligneous liquor outlet 14 are both arranged on the side wall of the liquid separation shell and are positioned at one side close to the second vertical partition plate, and the height of the oil product outlet 13 is higher than that of the pyroligneous liquor outlet 14. The sewage outlet 15 is arranged on the bottom surface of the liquid separation shell and is positioned between the first vertical separation plate and the second vertical separation plate. The sewage outlet 15 is connected with the sewage sedimentation unit V, the sewage sedimentation unit V comprises a sewage sedimentation shell, a sewage inlet 16 is arranged at one end of the top of the sewage sedimentation shell, a purified water outlet 17 is arranged on the side wall of the sewage sedimentation shell, and a dust-containing sewage outlet 18 is arranged at the bottom of the sewage sedimentation shell.
Furthermore, the purified water outlet 17 is connected with a spray header through a circulating water conveying pipeline. After the sewage from the condensation separation unit is subjected to gravity settling separation in a sewage settling unit, the clear water at the upper part is used as circulating cooling water for spraying, and the dust-containing waste water at the bottom part is sent to a sewage treatment plant for disposal.
As shown in FIG. 5, the process flow of biomass treatment of the present invention is as follows:
after biomass is crushed by a shear type crusher, granular materials are sent into a cache bin through a large-inclination-angle belt, the bin is provided with a high-level material level alarm and a low-level material level alarm, and feeding is stopped after the high-level material level alarm; and when the low material level alarms, starting feeding until the high material level alarms and then stopping feeding. Then the materials are uniformly distributed by a dry distributor and then enter a pyrolysis unit. The processing flow of the materials in the pyrolysis unit is shown in a side view of a pyrolysis shell in fig. 2, the pyrolysis furnace is divided into an upper layer, a middle layer and a lower layer, the number of layers of the furnace body can be continuously increased according to the processing scale requirement, biomass conveyed into the pyrolysis device through the feeding unit is flatly laid on a fire grate, a track or a chain plate, the biomass moves along with the conveying device, the biomass does not roll or extrude, and almost no dust is generated in the processing process. In the pyrolysis furnace, a radiation plate or a radiation tube is used as a heat source to heat the biomass to 400-600 ℃, so that water in the biomass is desorbed thermally, macromolecular organic matters are decomposed by heating, and high-temperature oil gas enters a condensation separation unit through a top high-temperature oil gas outlet. Firstly, the mixture enters a spray tower, cooling is carried out by directly spraying cooling water, the temperature is reduced to 60-80 ℃, water, oil and pyroligneous are condensed into liquid, the liquid mixture flows into a liquid separation device, and after gravity settling separation, the upper oil is sent into an oil tank to realize resource recovery; sending the pyroligneous liquor in the middle into a product tank; the non-condensable gas enters the non-condensable gas processing unit from the top of the spray tower, and can be used as supplementary fuel after liquid separation, desulfurization and pressurization. Feeding the lower sewage into a sewage settling unit; after gravity settling separation in a sewage settling unit, clear water at the upper part is used as circulating cooling water for spraying, and sewage at the lower part is discharged into a sewage tank and sent to a sewage treatment plant for disposal. And (3) feeding the pyrolyzed biomass solid material into a discharging device, cooling the biomass solid material by adopting an indirect water-cooling jacket mode, cooling the solid product to 30-80 ℃, and bagging, boxing or conveying the solid product into a slag warehouse.
Claims (9)
1. A biomass resource utilization treatment device is characterized in that: the device comprises a pretreatment unit, a feeding unit, a pyrolysis unit, a condensation separation unit, a non-condensable gas treatment unit and a water-cooling discharging unit;
the pretreatment unit comprises a crusher and a feeding bin, an outlet of the crusher is communicated with the feeding bin, and an outlet at the bottom of the feeding bin is connected with the feeding unit;
the feeding unit comprises an inclined conveying device, a feeding end is arranged at the bottom of the inclined conveying device, a discharging end is arranged at the top of the inclined conveying device, and the discharging end is connected with the pyrolysis unit;
the pyrolysis unit comprises a pyrolysis shell, a feed inlet is formed in one end of the top of the pyrolysis shell, the feed inlet is communicated with a discharge end of the inclined conveying device, a first conveying device, a second conveying device and a third conveying device are arranged inside the pyrolysis shell, the first conveying device, the second conveying device and the third conveying device are respectively horizontally arranged on an upper layer, a middle layer and a lower layer inside the pyrolysis shell, and the first conveying device, the second conveying device and the third conveying device are arranged in a staggered mode; a radiation heating device is also arranged in the pyrolysis shell and is arranged on the side wall of the pyrolysis shell; a solid product outlet is formed in the bottom of the pyrolysis shell and connected with the water-cooling discharging unit;
the top of the pyrolysis shell is also provided with a high-temperature gas outlet, the high-temperature gas outlet is connected with a condensation separation unit through a high-temperature gas conveying pipeline, the condensation separation unit comprises a spray tower body, the bottom of the spray tower body is provided with a high-temperature oil gas inlet, a first treatment filler is arranged inside the spray tower body, and a spray head is arranged inside the spray tower body and above the first treatment filler; a non-condensable gas outlet is arranged at the top of the spray tower body and is connected with a non-condensable gas processing unit;
the bottom of the spray tower body is provided with a liquid outlet, the liquid outlet is connected with a liquid separation device, the liquid separation device comprises a liquid separation shell, a partition plate is arranged in the liquid separation shell, and an oil outlet, a pyroligneous liquor outlet and a sewage outlet are further formed in the liquid separation shell.
2. The biomass resource utilization treatment device according to claim 1, characterized in that: the inclined conveying device is an inclined belt conveyor; a buffer storage bin is also arranged between the discharge end and the feed inlet, a high-low material level alarm device is arranged on the buffer storage bin, and a distributing device is arranged at the bottom of the buffer storage bin.
3. The biomass resource utilization treatment device according to claim 1, characterized in that: the first conveying device, the second conveying device and the third conveying device are all tracks, fire grates or chain plates; the radiation heating device adopts a radiation tube, a heating rod or a heating plate.
4. The biomass resource utilization treatment device according to claim 1, characterized in that: the water-cooling discharging unit comprises a conveying discharging section, one end of the conveying discharging section is provided with a solid product inlet, the other end of the conveying discharging section is provided with a solid product outlet, and the outer side of the conveying discharging section is provided with a water-cooling jacket.
5. The biomass resource utilization treatment device according to claim 1, characterized in that: a horizontal partition plate is arranged between the first conveying device and the second conveying device, one end of the horizontal partition plate is connected with the pyrolysis shell, and a blanking port is reserved between the other end of the horizontal partition plate and the pyrolysis shell; plows and rakes for turning over materials are arranged at intervals on the top of the pyrolysis shell and the horizontal partition plate.
6. The biomass resource utilization treatment device according to claim 1, characterized in that: the noncondensable gas processing unit comprises a noncondensable gas processing shell, a gas inlet is formed in the bottom end of the noncondensable gas processing shell, the gas inlet is communicated with a noncondensable gas outlet, a second processing filler is arranged in the noncondensable gas processing shell, a gas outlet is formed in the top of the noncondensable gas processing shell, and the gas outlet is connected with a supplementary fuel conveying pipeline.
7. The biomass resource utilization treatment device according to claim 1, characterized in that: the partition plate comprises a first vertical partition plate and a second vertical partition plate, the bottom ends of the first vertical partition plate and the second vertical partition plate are both connected with the bottom surface of the liquid separation shell, and the height of the first vertical partition plate is higher than that of the second vertical partition plate;
the oil product outlet and the pyroligneous liquor outlet are both arranged on the side wall of the liquid separation shell and are positioned at one side close to the second vertical partition plate, and the height of the oil product outlet is higher than that of the pyroligneous liquor outlet; the sewage outlet is arranged on the bottom surface of the liquid separation shell and is positioned between the first vertical partition plate and the second vertical partition plate.
8. The biomass resource utilization treatment device according to claim 1, characterized in that: the sewage outlet is connected with the sewage sedimentation unit, the sewage sedimentation unit comprises a sewage sedimentation shell, a sewage inlet is formed in one end of the top of the sewage sedimentation shell, a purified water outlet is formed in the side wall of the sewage sedimentation shell, and a dust-containing sewage outlet is formed in the bottom of the sewage sedimentation shell.
9. The biomass resource utilization treatment device according to claim 8, characterized in that: the purified water outlet is connected with the spray header through a circulating water conveying pipeline.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202223404585.2U CN218755594U (en) | 2022-12-19 | 2022-12-19 | Biomass resource utilization treatment device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202223404585.2U CN218755594U (en) | 2022-12-19 | 2022-12-19 | Biomass resource utilization treatment device |
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| CN218755594U true CN218755594U (en) | 2023-03-28 |
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| CN202223404585.2U Active CN218755594U (en) | 2022-12-19 | 2022-12-19 | Biomass resource utilization treatment device |
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