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CN206109305U - Utilize tower solar thermal energy to separate living beings multi -generation's device - Google Patents

Utilize tower solar thermal energy to separate living beings multi -generation's device Download PDF

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Publication number
CN206109305U
CN206109305U CN201621162546.8U CN201621162546U CN206109305U CN 206109305 U CN206109305 U CN 206109305U CN 201621162546 U CN201621162546 U CN 201621162546U CN 206109305 U CN206109305 U CN 206109305U
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China
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gas
outlet
entrance
solar energy
biomass
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Inventor
张智博
赵晓辉
崔凯平
韩伟
赵坤姣
苑晔
钱兆跃
张乐
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Northwest Electric Power Design Institute of China Power Engineering Consulting Group
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Northwest Electric Power Design Institute of China Power Engineering Consulting Group
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00Technologies for the production of fuel of non-fossil origin
    • Y02E50/10Biofuels, e.g. bio-diesel
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/10Process efficiency
    • Y02P20/133Renewable energy sources, e.g. sunlight

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  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)

Abstract

The utility model discloses an utilize tower solar thermal energy to separate living beings multi -generation's device, including solar energy heliostat field, the solar energy collection tower, living beings feed mechanism, fluidized bed fast pyrolysis apparatus and pyrolyzate processing mechanism, solar energy collection top of the tower end is provided with the solar energy collection ware, fluidized bed fast pyrolysis apparatus is provided with and is used for sending into the first entry of living beings and the the second entrance who is used for sending into hot grit and fluidization carrier gas, living beings feed mechanism's exit linkage fluidized bed fast pyrolysis apparatus 's first entry, the grit exit linkage fluidized bed fast pyrolysis apparatus 's of solar energy collection tower the second entrance, fluidized bed fast pyrolysis apparatus 's exit linkage pyrolyzate processing mechanism. Utilize solar energy to provide the heat carrier for the pyrolysis of living beings to avoid sacrificing some pyrolysis product, improved pyrolysis efficiency and pyrolysis process's economic nature.

Description

A kind of utilization tower type solar is pyrolyzed the device of biomass multi-production
【Technical field】
This utility model belongs to regenerative resource complementation and utilizes field, and in particular to a kind of using tower type solar pyrolysis life The device of material Poly-generation.
【Background technology】
As the increasingly depleted and environmental problem of China's traditional fossil energy are increasingly highlighted, the exploitation of regenerative resource Using the ever more important for becoming.China's solar energy resources very abundant, the area more than 3780MJ/m2 account for the 96% of area with On, solar energy with its total resources it is big, it is pollution-free the advantages of it is of great interest.At the same time, China's biomass resource Also very abundant, about 4.6 hundred million tons of standard coals of annual available biomass resource total amount, biomass are because of its wide material sources, greenhouse The features such as gas net zero-emission, is similarly subjected to extensive concern.
In the various Land use systems of biomass, Fast Pyrolysis of Biomass for Producing Bio-oil is a kind of important biomass profit With mode, so-called biomass pyrolytic, biomass are referred under anoxic conditions, the rapid decomposes of biomass macromole and main shape Into liquid bio-oil, while the process of coproduction part of coke and combustible gas.This pyrolytic process is an endothermic process, is improving energy Need while the grade of source extraneous to system offer energy.To reduce energy expenditure, usually produced using the three-phase that pyrolysis is obtained A kind of combustion heat release in thing (gas, liquid, solid), to pyrolytic process heat supply.The limitation of whole pyrolytic process is larger, and efficiency is inclined It is low.Therefore, how to improve pyrolysis efficiency and process economy be biomass pyrolytic key problem.
【Utility model content】
In view of this, this utility model provides the device that a kind of utilization tower type solar is pyrolyzed biomass multi-production, profit Heat carrier is provided with pyrolysis of the solar energy for biomass, so as to avoid sacrificial section thermal decomposition product from carrying out the confession of form biomass pyrolysis process Heat, improves the economy of pyrolysis efficiency and pyrolytic process, solves technical problem of the prior art.
In order to achieve the above object, the technical solution of the utility model is as follows:
A kind of utilization tower type solar is pyrolyzed the device of biomass multi-production, including solar energy heliostat field, solar energy collection Thermal tower, biomass feeding mechanism, fluid bed fast pyrolysis reactor and pyrogen processing mechanism, the solar energy heating tower top end Solar thermal collector is provided with, the solar thermal collector can absorb the solar energy of solar energy heliostat field reflection, solar energy Collection thermal tower is additionally provided with and exports and for sending into the sand entrance of sand for the sand for discharging sand, the fast speed heat of the fluid bed Solution reactor is provided with the first entrance for sending into biomass and the second entrance for sending into hot sand and fluidized carrier gas, institute State the first entrance of the outlet connection fluid bed fast pyrolysis reactor of biomass feeding mechanism, the sand of the solar energy heating tower Subexit connects the second entrance of fluid bed fast pyrolysis reactor, the outlet connection heat of the fluid bed fast pyrolysis reactor Solution thing processing mechanism, the pyrogen processing mechanism are at least used for separating and collecting the heat from fluid bed fast pyrolysis reactor Solution product.
Further, the pyrogen processing mechanism includes gas-solid separating device, coke filter, pyrolysis gas condensation dress Put, coke collection device, fluid collection device and gas collector, the outlet connection of the fluid bed fast pyrolysis reactor The entrance of gas-solid separating device, the gas-solid separating device are provided with the air outlet for discharging gas and for discharging solid Solid outlet, the air outlet of the gas-solid separating device connect the entrance of pyrolysis gas condensing units, the pyrolysis gas condensing units It is provided with for the liquid outlet of drain and the gas outlet for discharging gas, the liquid of the pyrolysis gas condensing units The entrance of outlet connection fluid collection device, the gas outlet of pyrolysis gas condensing units connect the entrance of gas collector, institute The solid outlet for stating gas-solid separating device connects the entrance of coke separator, and the coke separator is provided with for discharging sand First outlet and the second outlet for discharging coke, the first outlet connection solar energy heating tower of the coke separator Sand entrance, the second outlet of coke separator connect the entrance of solid collection device.
Further, the first entrance of the gas outlet of the pyrolysis gas condensing units and fluid bed fast pyrolysis reactor Connection.
Further, the solar energy heliostat field includes the multiple heliostats in formation arrangement.
Further, the heliostat includes reflecting mirror, supporting construction, tracking drive mechanism and control device.
Further, the biomass feeding mechanism includes hopper and feeder.
Further, the feeder is two-stage screw feeder.
Further, the gas-solid separating device includes at least two stage cyclone separator.
Further, the pyrolysis gas condensing units are spraying and falling liquid film composite condensation device.
Compared with prior art, this utility model at least has the advantages that:
(1) this utility model is absorbed heat in solar energy heating tower intensification using sand as heat-conducting fluid, absorbs solar energy And energy is carried along into into biomass fluid bed pyrolysis reactor, in fluid bed, hot sand both also served as heat as fluidizing agent Carrier, realizes biomass pyrolytic, so as to avoid sacrificial section thermal decomposition product from carrying out form biomass pyrolysis process heat supply, so as to improve The economy of pyrolysis efficiency and pyrolytic process, and energy density low solar energy is changed into the high gas of energy density by whole process Body, liquid and solid fuel, while solar energy is realized to chemical transformation of energy, and the lifting of biomass energy grade.
(2) this utility model can be good at the shortcoming for adapting to solar energy resources stability difference, when solar energy resources changes When, it is only necessary to biomass inlet amount is adjusted according to current solar energy resources situation, the normal operation of device is not affected.
(3) this utility model can control gas-liquid-solid three-phase product by adjusting sand flow and pyrolysis reaction temperature Ratio, meets user's request.
【Description of the drawings】
Fig. 1 is schematic diagram of the present utility model;
Fig. 2 is heliostat structural representation.
In above-mentioned figure, each part and respective markers are:1- solar energy heliostats field;2- solar energy heating towers;3- biomass are entered Material mechanism;4- fluid bed fast pyrolysis reactors;5- gas-solid separating devices;6- coke filters;7- pyrolysis gas condensing units;8- Coke collection device;9- fluid collection devices;10- gas collectors;21- solar thermal collectors;22- sands are exported;23- sand Sub- entrance;31- hoppers;32- feeders;41- first entrances;42- second entrances;51- cyclone separator;52- air outlets;53- Solid outlet;61- first outlets;62- second outlets;71- liquid outlets;72- gas outlets;110- heliostats;111- reflects Mirror;112- supporting constructions;113- tracking drive mechanisms;114- control devices.
【Specific embodiment】
To make the purpose of this utility model, technical scheme and advantage become more apparent, below in conjunction with specific embodiment, and Referring to the drawings, this utility model is further described.
Embodiment 1:
As shown in figure 1, a kind of utilization tower type solar is pyrolyzed the device of biomass multi-production, including solar energy heliostat field 1st, solar energy heating tower 2, biomass feeding mechanism 3, fluid bed fast pyrolysis reactor 4, gas-solid separating device 5, coke filtration Device 6, pyrolysis gas condensing units 7, coke collection device 8, fluid collection device 9 and gas collector 10;
2 top of solar energy heating tower is provided with solar thermal collector 21, and solar thermal collector 21 can absorb solar energy fixed The solar energy of the reflection of solar eyepiece field 1, the bottom of solar energy heating tower 2 to be additionally provided with and export 22 for the sand for discharging hot sand and use In the sand entrance 23 for sending into cold sand, sand can be absorbed too by solar thermal collector 21 in sending into solar thermal collector 21 Sun can be heated, and fluid bed fast pyrolysis reactor 4 is provided with the first entrance 41 for sending into biomass and for sending into hot sand The second entrance 42 of son and fluidized carrier gas, the first of the outlet connection fluid bed fast pyrolysis reactor 4 of biomass feeding mechanism 3 Entrance 41, the sand outlet 22 of solar energy heating tower 2 connect the second entrance 42 of fluid bed fast pyrolysis reactor 4;
The entrance of the outlet connection gas-solid separating device 5 of fluid bed fast pyrolysis reactor 4, gas-solid separating device 5 are arranged There are the air outlet 52 for discharging gas and the solid outlet 53 for discharging solid, the air outlet 52 of gas-solid separating device 5 connects The entrance of pyrolysis gas condensing units 7 is connect, pyrolysis gas condensing units 7 are provided with for the liquid outlet 71 of drain and for arranging Go out the gas outlet 72 of gas, the liquid outlet 71 of pyrolysis gas condensing units 7 connects the entrance of fluid collection device 9, pyrolysis gas 72 points of the gas outlet of condensing units 7 is two-way, connects the entrance of gas collector 10 all the way, and another road connection fluid bed is fast The second entrance 42 of fast pyrolysis reactor 4, the entrance of the connection coke of solid outlet 53 separator 6 of gas-solid separating device 5, coke Separator 6 is provided with the first outlet 61 for discharging sand and the second outlet 62 for discharging coke, coke separator 6 The sand entrance 23 of the connection solar energy heating of first outlet 61 tower 2, the connection solid of second outlet 62 of coke separator 6 collect dress Put 8 entrance.
Additionally, solar energy heliostat field 1 includes the multiple heliostats 110 in formation arrangement, heliostat 110 includes reflecting mirror 111st, supporting construction 112, tracking drive mechanism 113 and control device 114, as shown in Figure 2.Biomass feeding mechanism 3 includes material Bucket 31 and feeder 32, feeder 32 are two-stage screw feeder.Gas-solid separating device 5 includes at least two stage cyclone separator 51, pyrolysis gas condensing units 7 are spraying and falling liquid film composite condensation device.
Biomass pyrolysis process is carried out using this utility model as follows:
Biomass material is sent into into fluid bed fast pyrolysis reactor 4 by biomass feeding mechanism 3, since self-pyrolysis air cooling The gas of solidifying device 7 be fluidized carrier gas, with the hot sand from solar energy heating tower 2 as heat carrier, biomass hot sand with In the presence of fluidized carrier gas, rapid decomposes;
The high temperature pyrolysis product that fluid bed fast pyrolysis reactor 4 is discharged initially enters gas-solid separating device 5, realizes gas-solid Separate;
Solid that gas-solid separating device 5 is isolated (including cold sand and coke) into coke separator 6, using sand and The characteristics of coke particle diameter is different, realize the separation of coke and sand using whirlwind and defecator, wherein the cold sand isolated Solar energy heating tower 2 is returned, continues next sand circulation, the coke isolated enters coke collection device 8, fires as solid Material storage;
The gas that gas-solid separating device 5 is isolated enters pyrolysis gas condensing units 7, Jing after composite condensation of the spraying with falling liquid film Gas and liquid are obtained, wherein liquid enters fluid collection device 9, stores as liquid fuel;Gas is then divided into two-way, all the way Jing circulations are pumped into the second entrance 42 of fluid bed fast pyrolysis reactor 4, use as fluidized carrier gas, maintain fluid bed quick Inert atmosphere in pyrolysis reactor 4, another road enter gas collector 10, store as gaseous fuel.
Biomass are lignocellulose-like biomass, the preferred bagasse raw material of the present embodiment.
Pyrolysis temperature in fluid bed fast pyrolysis reactor is 460-700 DEG C, and gas residence time is 0.1~20s.
Biomass pyrolytic is carried out using this utility model, and (if without specified otherwise, in following implementation processes, the percentage of material contains Measure as weight/mass percentage composition):
Intensity of solar radiation is 880W/m2, it is 680 DEG C that hot sand exports temperature at 22 in the sand of tower-type heat collector 2, stream Measure as 550kg/h;Mean diameter is the bagasse raw material (moisture is 8%) of 3mm via hopper 31 and feeding screw 32 It is pyrolyzed in sending into fluid bed fast pyrolysis reactor 4, inlet amount is 130kg/h;Bagasse is anti-in fluid bed fast pyrolysis The reaction temperature in device 4 is answered to be 650 DEG C, gas residence time is 15s;Thermal decomposition product Jing gas-solid separators 5 carry out gas solid separation Afterwards, gaseous product obtains liquids and gases product Jing after spraying with falling liquid film composite condensation, and yield is respectively 41% and 34%, draws Enter 100Nm3The gas of/h enters fluid bed fast pyrolysis reactor 4, recycles as carrier gas;Solid Jing after gas solid separation Sand and coke are obtained after product is separated, sand returns solar energy heating tower 2, and coke enters coke collection device 8, and coke is produced Rate is 25%.
Embodiment 2
If without specified otherwise, in following implementation processes, the percentage composition of material is weight/mass percentage composition.
As shown in figure 1, the present embodiment part unlike the embodiments above is, biomass preferably poplar raw material, and too Positive radiant intensity is 710W/m2, it is 500 DEG C that hot sand exports temperature at 22 in the sand of tower-type heat collector 2, and flow is 750kg/ h;Mean diameter is fast via hopper 31 and the feeding fluid bed of feeding screw 32 for the poplar raw material (moisture is 5%) of 1mm It is pyrolyzed in fast pyrolysis reactor 4, inlet amount is 160kg/h;Reaction of the corn stalk in fluid bed fast pyrolysis reactor 4 Temperature is 470 DEG C, and gas residence time is 8s;Jing after gas-solid separator 5 carries out gas solid separation, gaseous product Jing sprays thermal decomposition product After mist and falling liquid film composite condensation, liquids and gases product is obtained, yield is respectively 50% and 22%, introduces 130Nm3The gas of/h Into fluid bed fast pyrolysis reactor 4, recycle as carrier gas;Obtain after solid product Jing after gas solid separation is separated Sand and coke, sand return solar energy heating tower 2, and coke enters coke collection device 8, and coke yield is 28%.
Particular embodiments described above, has carried out entering one to the purpose of this utility model, technical scheme and beneficial effect Step is described in detail, be should be understood that to the foregoing is only specific embodiment of the utility model, is not limited to this Utility model, all within spirit of the present utility model and principle, any modification, equivalent substitution and improvements done etc. all should be wrapped It is contained within protection domain of the present utility model.

Claims (9)

1. a kind of utilization tower type solar is pyrolyzed the device of biomass multi-production, it is characterised in that:Including solar energy heliostat field (1), solar energy heating tower (2), biomass feeding mechanism (3), fluid bed fast pyrolysis reactor (4) and pyrogen datatron Structure, solar energy heating tower (2) top are provided with solar thermal collector (21), and the solar thermal collector (21) can absorb The solar energy that solar energy heliostat field (1) is reflected, solar energy heating tower (2) are additionally provided with and export for the sand for discharging sand (22) and for sending into the sand entrance (23) of sand, the fluid bed fast pyrolysis reactor (4) is provided with for sending into life The first entrance (41) of material and the second entrance (42) for sending into hot sand and fluidized carrier gas, the biomass feeding mechanism (3) first entrance (41) of outlet connection fluid bed fast pyrolysis reactor (4), the sand of the solar energy heating tower (2) The second entrance (42) of outlet (22) connection fluid bed fast pyrolysis reactor (4), the fluid bed fast pyrolysis reactor (4) Outlet connection pyrogen processing mechanism, the pyrogen processing mechanism at least be used for separate and collect speed heat fast from fluid bed The thermal decomposition product of solution reactor (4).
2. a kind of utilization tower type solar according to claim 1 is pyrolyzed the device of biomass multi-production, it is characterised in that: The pyrogen processing mechanism includes that gas-solid separating device (5), coke filter (6), pyrolysis gas condensing units (7), coke are received Acquisition means (8), fluid collection device (9) and gas collector (10), the outlet of the fluid bed fast pyrolysis reactor (4) Connection gas-solid separating device (5) entrance, the gas-solid separating device (5) be provided with for discharge gas air outlet (52) and For discharging the solid outlet (53) of solid, air outlet (52) the connection pyrolysis gas condensing units of the gas-solid separating device (5) (7) entrance, the pyrolysis gas condensing units (7) are provided with for the liquid outlet (71) of drain and for discharging gas Gas outlet (72), the pyrolysis gas condensing units (7) liquid outlet (71) connection fluid collection device (9) entrance, The entrance of the gas outlet (72) connection gas collector (10) of pyrolysis gas condensing units (7), the gas-solid separating device (5) Solid outlet (53) connection coke separator (6) entrance, the coke separator (6) is provided with for discharging the of sand One outlet (61) and the second outlet (62) for discharging coke, the first outlet (61) of the coke separator (6) connect too Sun can collect the sand entrance (23) of thermal tower (2), the second outlet (62) connection solid collection device (8) of coke separator (6) Entrance.
3. a kind of utilization tower type solar according to claim 2 is pyrolyzed the device of biomass multi-production, it is characterised in that: The gas outlet (72) of the pyrolysis gas condensing units (7) is connected with the first entrance of fluid bed fast pyrolysis reactor (4).
4. a kind of utilization tower type solar according to claim 1 is pyrolyzed the device of biomass multi-production, it is characterised in that: The solar energy heliostat field (1) includes the multiple heliostats (110) in formation arrangement.
5. a kind of utilization tower type solar according to claim 4 is pyrolyzed the device of biomass multi-production, it is characterised in that: The heliostat (110) includes reflecting mirror (111), supporting construction (112), tracking drive mechanism (113) and control device (114)。
6. a kind of utilization tower type solar according to claim 1 is pyrolyzed the device of biomass multi-production, it is characterised in that: The biomass feeding mechanism (3) includes hopper (31) and feeder (32).
7. a kind of utilization tower type solar according to claim 6 is pyrolyzed the device of biomass multi-production, it is characterised in that: The feeder (32) is two-stage screw feeder.
8. a kind of utilization tower type solar according to claim 2 is pyrolyzed the device of biomass multi-production, it is characterised in that: The gas-solid separating device (5) includes at least two stage cyclone separator (51).
9. a kind of utilization tower type solar according to claim 2 is pyrolyzed the device of biomass multi-production, it is characterised in that: The pyrolysis gas condensing units (7) are spraying and falling liquid film composite condensation device.
CN201621162546.8U 2016-10-25 2016-10-25 Utilize tower solar thermal energy to separate living beings multi -generation's device Active CN206109305U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108195091A (en) * 2018-01-05 2018-06-22 河南理工大学 A kind of method that biomass is baked using solar energy
CN109028073A (en) * 2018-05-29 2018-12-18 中国科学院电工研究所 The device of combustiblerefuse hypoxemia pyrolysis processing is carried out using tower type solar
CN109943353A (en) * 2019-03-12 2019-06-28 华中科技大学 A kind of bio-oil preparation system and method rich in levo-glucan
CN113444536A (en) * 2021-08-06 2021-09-28 宁夏大学 System and method for biomass graded conversion and oil gas co-production through solar heat supply

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108195091A (en) * 2018-01-05 2018-06-22 河南理工大学 A kind of method that biomass is baked using solar energy
CN109028073A (en) * 2018-05-29 2018-12-18 中国科学院电工研究所 The device of combustiblerefuse hypoxemia pyrolysis processing is carried out using tower type solar
CN109943353A (en) * 2019-03-12 2019-06-28 华中科技大学 A kind of bio-oil preparation system and method rich in levo-glucan
CN113444536A (en) * 2021-08-06 2021-09-28 宁夏大学 System and method for biomass graded conversion and oil gas co-production through solar heat supply
CN113444536B (en) * 2021-08-06 2022-03-18 宁夏大学 System and method for biomass graded conversion and oil gas co-production through solar heat supply

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