CN207121564U - Thermal storage type moving bed pyrolysis reactor - Google Patents

Thermal storage type moving bed pyrolysis reactor Download PDF

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Publication number
CN207121564U
CN207121564U CN201720330955.2U CN201720330955U CN207121564U CN 207121564 U CN207121564 U CN 207121564U CN 201720330955 U CN201720330955 U CN 201720330955U CN 207121564 U CN207121564 U CN 207121564U
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China
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reactor
radiant tube
pyrolysis
chamber
thermal conductor
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CN201720330955.2U
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Chinese (zh)
Inventor
耿层层
陈水渺
马正民
姜朝兴
吴道洪
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Wuhan Lando Biotechnology Co ltd
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Beijing Shenwu Power Technology Co Ltd
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Abstract

A kind of thermal storage type moving bed pyrolysis reactor of the present utility model, including pyrolysis gas outlet, fuel gas inlet and air intake, pyrolysis gas outlet is arranged at the top of reactor, fuel gas inlet, air intake are arranged at the side wall of reactor, it is additionally included in the spaced thermal conductor of reactor horizontal direction, and vertically through in reactor, the inner space of reactor is divided into multiple pyrolysis chambers and multiple radiant tube rooms, multiple pyrolysis chambers are set with the multiple radiant tube room interlayer.Reactor of the present utility model employs heat accumulation type radiant tube heating technique without gas, solid heat carrier heating, system process is simplified while the thermal efficiency for improving reactor, and material pyrolysis chamber arranges with radiant tube interlayer, in the case where can fully be pyrolyzed, material is effectively prevent to contact with radiant tube, radiant tube abrasion, coking are prevented, extends the service life of radiant tube.

Description

Thermal storage type moving bed pyrolysis reactor
Technical field
The utility model, which is created to belong to, takes fossil fuel pyrolysis processing technical field, primarily directed to coal and oil shale Deng a kind of thermal storage type moving bed pyrolysis reactor of development of resources, to produce pyrolysis oil, combustible gas and semicoke product.
Background technology
World today's petroleum resources gradually decreases, and increasingly deficient, China is more so, it is necessary to substantial amounts of imported crude oil is relied on, this It is related to national energy security problem.However, China possesses the heat of very abundant oil shale and coal resources, at present China Solution shale oil yield ranks first in the world, and has the trend increased year by year.Existing oil shale and coal pyrolysis type of furnace master There are Fushun stove, three river side's stoves, the solid heat carrier retort of big work, Ai Shaniya Ge Luote(Galoter)Stove and Australia are big ATP stoves of Leah etc..The existing pyrolysis type of furnace but is pyrolyzed the type of furnace mostly to produce oil product as main purpose, especially with The type of furnace that fine coal is raw material is handled, contains a large amount of dirt in pyrolysis oil, causes pyrolysis oil to be difficult to effectively utilize, pyrolysis oil value is not high The problems such as.Therefore, how to design that a kind of high-effective dust-removing, system architecture and technological process be simple, the reactor of radiant tube long lifespan The problem of as this area urgent need to resolve.
The content of the invention
The utility model in view of the shortcomings of the prior art, designs and develops a kind of thermal storage type moving bed pyrolysis reactor, The reactor employs heat accumulation type radiant tube heating technique without gas, solid heat carrier heating, improves the thermal efficiency of reactor System process is simplified simultaneously, and material pyrolysis chamber arranges with radiant tube interlayer, in the case where can fully be pyrolyzed, effectively keeps away Exempt from material to contact with radiant tube, prevented radiant tube abrasion, coking, extend the service life of radiant tube.
In order to solve the above technical problems, the technical solution adopted in the utility model is:
A kind of thermal storage type moving bed pyrolysis reactor provided by the utility model, should according to embodiment of the present utility model Reactor includes pyrolysis gas outlet, fuel gas inlet and air intake, and the pyrolysis gas outlet is arranged at the top of reactor, described Fuel gas inlet, air intake are arranged at the side wall of reactor, in addition to:Thermal conductor, the thermal conductor are horizontal along the reactor Direction is arranged at intervals, and vertically through in the reactor, the inner space of the reactor is divided into multiple chambers, The chamber is used as multiple pyrolysis chambers and multiple radiant tube rooms, and the multiple pyrolysis chamber is set with the multiple radiant tube room interlayer Put;Wherein, the radiant tube chamber interior is evenly arranged with unidirectional heat accumulation type radiant tube, and the top of the radiant tube autoreactor is extremely Bottom is in multi-tier arrangement;The thermal conductor makes in the heat accumulation type radiant tube and the pyrolysis chamber of the radiant tube chamber interior Material is separated, and prevents the heat accumulation type radiant tube abrasion and coking;The hollow pyrolysis chamber utilizes the radiant tube room Radiant heat material is subjected to pyrolysis processing.
Inventor has found that the structure of the reactor according to embodiments of the present invention is simple, easy to operate, material pyrolysis chamber with Radiant tube room interlayer in different chamber is arranged, ensures that in the case of abundant pyrolysis, it is straight with radiant tube to avoid material for material Contact, radiant tube abrasion, coking are prevented, extend the service life of radiant tube, improve system operation reliability.
Further, it is distributed poriferous zone on the thermal conductor, a diameter of 3-30mm in the hole, always opens on the thermal conductor Hole area accounts for the 20-60% of the thermal conductor gross area.
Further, the roof of the radiant tube room and the pyrolysis chamber is provided with pyrolysis gas outlet, for discharge into Enter the pyrolysis oil gas of radiant tube room and pyrolysis chamber;
The bottom of the radiant tube room and the pyrolysis chamber is additionally provided with semicoke outlet;
Further, it is additionally provided with material inlet on the top of the pyrolysis chamber.
Preferably, the lower end of the reactor is also associated with cold slag screw, and the cold slag screw is arranged with semicoke Outlet is connected.
Further, the radiant tube uses a diameter of 200-300mm round tube, the level side between the radiant tube To spacing be 200-700mm, the number of plies of the radiant tube of the radiant tube room is 10-20 floor.
Preferably, the radiant tube is connected with gas control valve, and the gas control valve is by the tube wall temperature of the radiant tube Degree control is at 550-800 DEG C.
Further, the top of the reactor is additionally provided with hopper, the hopper by feeding screw with it is described enter Material mouth is connected.
Further, the reactor width is 2-6m, height for reactor 3-20m;The side wall of the reactor is also set Exhanst gas outlet is equipped with, the exhanst gas outlet is arranged between the fuel gas inlet and the air outlet slit.
Preferably, the material of the thermal conductor is the metal material to readily conduct heat.
Further, the reactor is used to heat fossil fuel of the diameter in below 20mm.
A kind of the advantages of thermal storage type moving bed pyrolysis reactor of the present utility model, is:
(1)The utility model takes heat accumulation type radiant tube moving bed process reactor heating below 20mm fossil fuel, Feedstock treating scope is big, and no heat carrier, reaction process is simple, and uniformity of temperature profile, and system thermal efficiency is high.
(2)Pyrolysis gas is not diluted caused by the utility model, and pyrolysis gas calorific value is high.
(3)The utility model employs vertical heater, simple in construction, saves construction cost and floor space.
(4)Material pyrolysis chamber in the utility model arranges with radiant tube interlayer, in the case of abundant pyrolysis, effectively keeps away Material is exempted to contact with radiant tube, has prevented radiant tube abrasion, coking, extended the service life of radiant tube, improve system operation Reliability.
Brief description of the drawings
Fig. 1 is the structural representation of the thermal storage type moving bed pyrolysis reactor of the utility model.
Wherein, 1- hoppers, 2- feeding screws, 3- thermal conductors, 4- pyrolysis chambers, 5- radiant tubes room, 6- radiant tubes, 7- pyrolysis Gas outlet, 8- fuel gas inlets, 9- exhanst gas outlets, 10- air intakes, the cold slag screws of 11-, 12- semicokes outlet, 13- are former Expect charging aperture.
Embodiment
In order that those skilled in the art more fully understand the technical solution of the utility model, with reference to specific embodiment The utility model is described in further detail.The embodiments described below is exemplary, is only used for explaining the present invention, and It is not considered as limiting the invention.Unreceipted particular technique or condition in embodiment, according to document institute in the art The technology or condition of description are carried out according to product description.
Below with reference to accompanying drawing, a kind of thermal storage type moving bed pyrolysis reactor of the present utility model is carried out further detailed Describe in detail bright.
A kind of structural representation of thermal storage type moving bed pyrolysis reactor of the present utility model according to Fig. 1, this reality Include pyrolysis gas outlet 7, fuel gas inlet 8 and air intake 10 with new reactor, the pyrolysis gas outlet 7 is arranged at reaction The top of device, the fuel gas inlet 8, air intake 10 are arranged at the side wall of reactor.Reactor of the present utility model also includes: Thermal conductor 3, the thermal conductor 3 are arranged at intervals along the reactor horizontal direction, and vertically through in the reactor, are incited somebody to action The inner space of the reactor is divided into multiple chambers, and the chamber is used as multiple pyrolysis chambers 4 and multiple radiant tube rooms 5, and The multiple pyrolysis chamber 4 is set with the multiple interlayer of radiant tube room 5;Wherein, the inner homogeneous of radiant tube room 5 is provided with list To heat accumulation type radiant tube 6, top to the bottom of the autoreactor of radiant tube 6 is in multi-tier arrangement;The thermal conductor 3 makes the spoke Penetrate the heat accumulation type radiant tube inside pipe room 5 to be separated with the material in the pyrolysis chamber 4, prevent the heat accumulating type from radiating Pipe wears and coking;Material is carried out pyrolysis processing by the hollow pyrolysis chamber 4 using the radiant heat of the radiant tube room 5.
Inventor has found, simple according to the structure of the reactor of the utility model embodiment, easy to operate, material pyrolysis The interlayer in different chamber is arranged with radiant tube room 5 for room 4, ensures that material in the case of abundant pyrolysis, avoids material and spoke Penetrate pipe 6 directly to contact, prevent radiant tube 6 from wearing, coking, extend the service life of radiant tube, improve system operation reliability.
By the design to pore area on the thermal conductor 3, a diameter of 3-30mm in the hole, always open on the thermal conductor 3 Hole area accounts for the 20-60% of the thermal conductor gross area.Inventor has found, when the perforated area ratio on thermal conductor 3 reaches above-mentioned In the range of when, under any operating mode, the heat in heat accumulating type reactor can be distributed well, so as to ensure that inside The stability of reaction.
The top of the radiant tube room 5 and the pyrolysis chamber 4 on thermal storage type moving bed pyrolysis reactor of the present utility model Wall is provided with pyrolysis gas outlet 7, for discharging the pyrolysis oil gas of radiant tube room 5 and pyrolysis chamber 4 in course of reaction.The radiation The bottom of pipe room 5 and the pyrolysis chamber 4 is additionally provided with semicoke outlet 12, and original is additionally provided with the top of the pyrolysis chamber 4 Expect charging aperture 13, be also connected with the lower end of the reactor
There is cold slag screw 11, the cold slag screw 11 is connected with semicoke outlet 12.
The design of multiple export and imports is employed in the utility model, its purpose is to solve to produce in pyrolysis chamber Product difference designed by, for being pyrolyzed oil gas, its generation is correspondingly disposed in the top of the pyrolysis chamber, inventor The top of pyrolysis chamber.There are multiple pore areas on thermal conductor in the present invention, so in order to avoid in pyrolytic process, it is a small number of Material is entered in radiant tube room, so also correspondingly devising the pyrolysis for discharging pyrolysis oil gas on the top of radiant tube room Gas exports.
The side wall of the reactor is additionally provided with exhanst gas outlet, and the exhanst gas outlet 9 is arranged on the fuel gas inlet 8 and institute Between stating air intake 10, different positions also implies that distribution position of the different products during generation in pyrolysis chamber Put.The bottom of pyrolysis chamber 4 and radiant tube room 5 is resulted from if solid matter such as coke-like solid.
Moving-burden bed reactor of the present utility model uses heat accumulation type radiant tube heat supply, and list has been evenly arranged in radiant tube room 5 To heat accumulation type radiant tube 6, top to the bottom multi-tier arrangement of the autoreactor of radiant tube 6, tube wall temperature utilizes gas control valve control System is in 550~800 DEG C of scopes, and the thermal source that the pyrolysis chamber in the present invention needs to be pyrolyzed is from the heat transfer for radiating tube wall.So The material of thermal conductor in the present invention is the metal material to readily conduct heat, is also pyrolyzed precisely in order to sufficiently achieving pyrolysis chamber in the present invention The temperature needed.
Radiant tube 6 in the utility model uses a diameter of 200-300mm round tube, between the radiant tube 6 The spacing of horizontal direction is 200-700mm, and the number of plies of the radiant tube of the radiant tube room 5 is 10-20 floor.
Hopper 1 is additionally provided with the top of the reactor of the present utility model, the hopper 1 passes through feeding screw 2 It is connected with the material inlet 13 for being arranged on the upper end of pyrolysis chamber 4.
Reactor width of the present utility model is 2-6m, height for reactor 3-20m, and reactor uses vertical structure, is tied Structure is simple, has been effectively saved construction cost, sufficiently reduces floor space.
Reactor of the present utility model is used to heat fossil fuel of the diameter in below 20mm, and Feedstock treating scope is big, nothing Heat carrier, reaction process is simple, and uniformity of temperature profile, and system thermal efficiency is high.
The course of reaction of reactor is in the utility model:Material enters heat accumulating type through feeding screw 2 in hopper 1 and moved In the pyrolysis chamber 4 of dynamic bed reactor, material stops 10-100 minutes from top to bottom in pyrolysis chamber 4, using from 4 liang of pyrolysis chamber The radiant heat of side radiation tube room 5, material is heated to 500~600 DEG C, completes pyrolytic process.Caused pyrolysis in pyrolytic process Oil gas, discharged by the pyrolysis gas outlet 7 of pyrolysis chamber 4;Small part enters the pyrolysis oil gas of radiant tube room 5 by radiant tube room 5 Pyrolysis gas outlet is discharged.Caused pyrolysis char is discharged to cold from the semicoke outlet 12 of the bottom of pyrolysis chamber 4 in pyrolytic process In slag screw 11, small part is discharged to cold into the pyrolysis char of radiant tube room 5 by the semicoke outlet 12 of radiant tube room 5 In slag screw 11, and any retracting device is discharged to either at waste residue stacking through cold slag screw 11.
Korea's oil shale is handled using thermal storage type moving bed pyrolysis reactor, the basic data of raw material is shown in Table 1.
Using the reactor for treatment Korea oil shale, pyrolysis gas calorific value is up to 5000kcal/m3, quality height.System heat turns Change efficiency and reach more than 90%.Radiant tube is after application in 5000 hours, no coking, wear phenomenon, service life length.
A kind of thermal storage type moving bed pyrolysis reactor of the present utility model, the reactor employ heat accumulating type radiation
Pipe heating technique simplifies system work without gas, the heating of solid heat carrier, while the thermal efficiency for improving reactor Skill, and material pyrolysis chamber arranges with radiant tube interlayer, in the case where can fully be pyrolyzed, effectively prevent material and radiant tube Contact, radiant tube abrasion, coking are prevented, extend the service life of radiant tube.
In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally;Can be Mechanically connect or electrically connect;Can be joined directly together, can also be indirectly connected by intermediary, can be two The connection of element internal or the interaction relationship of two elements.For the ordinary skill in the art, can basis Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
In the utility model, unless otherwise clearly defined and limited, fisrt feature is "above" or "below" second feature Can be that the first and second features directly contact, or the first and second features pass through intermediary mediate contact.Moreover, first is special Sign second feature " on ", " top " and " above " can be fisrt feature directly over second feature or oblique upper, or only Represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be with Be fisrt feature immediately below second feature or obliquely downward, or be merely representative of fisrt feature level height and be less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description Point is contained at least one embodiment or example of the present invention.In this manual, to the schematic representation of above-mentioned term not Identical embodiment or example must be directed to.Moreover, specific features, structure, material or the feature of description can be any Combined in an appropriate manner in individual or multiple embodiments or example.In addition, in the case of not conflicting, the skill of this area Art personnel can be tied the different embodiments or example and the feature of different embodiments or example described in this specification Close and combine.
Although embodiment of the present utility model has been shown and described above, it is to be understood that above-described embodiment is Exemplary, it is impossible to it is interpreted as to limitation of the present utility model, one of ordinary skill in the art is in the scope of the utility model It is interior above-described embodiment to be changed, changed, replaced and modification, meanwhile, for those of ordinary skill in the art, foundation The thought of the application, in specific embodiments and applications there will be changes.

Claims (10)

1. a kind of thermal storage type moving bed pyrolysis reactor, including pyrolysis gas outlet, fuel gas inlet and air intake, the pyrolysis gas Outlet is arranged at the top of reactor, and the fuel gas inlet, air intake are arranged at the side wall of reactor, it is characterised in that also Including:
Thermal conductor, the thermal conductor are arranged at intervals along the reactor horizontal direction, and vertically through in the reactor, The inner space of the reactor is divided into multiple chambers, the chamber is used as multiple pyrolysis chambers and multiple radiant tube rooms, and The multiple pyrolysis chamber is set with the multiple radiant tube room interlayer;
Wherein, the radiant tube chamber interior is evenly arranged with unidirectional heat accumulation type radiant tube, the top of the radiant tube autoreactor It is in multi-tier arrangement to bottom;
The thermal conductor is divided the heat accumulation type radiant tube of the radiant tube chamber interior and the material in the pyrolysis chamber Every preventing that the heat accumulation type radiant tube from wearing and coking;
Material is carried out pyrolysis processing by the hollow pyrolysis chamber using the radiant heat of the radiant tube room.
2. reactor according to claim 1, it is characterised in that be distributed poriferous zone on the thermal conductor, the hole it is straight Footpath is 3-30mm, and total open area accounts for the 20-60% of the thermal conductor gross area on the thermal conductor.
3. reactor according to claim 1, it is characterised in that the roof of the radiant tube room and the pyrolysis chamber is all provided with Pyrolysis gas outlet is equipped with, for being discharged into the pyrolysis oil gas of radiant tube room and pyrolysis chamber;
The bottom of the radiant tube room and the pyrolysis chamber is additionally provided with semicoke outlet;Further, the top of the pyrolysis chamber Material inlet is additionally provided with end.
4. reactor according to claim 3, it is characterised in that the lower end of the reactor is also associated with cold slag spiral dress Put, the cold slag screw is connected with semicoke outlet.
5. reactor according to claim 1, it is characterised in that the radiant tube uses a diameter of 200-300mm circle Shape pipe, the spacing of the horizontal direction between the radiant tube is 200-700mm, and the number of plies of the radiant tube of the radiant tube room is 10-20 layers.
6. reactor according to claim 5, it is characterised in that the radiant tube is connected with gas control valve, the combustion Gas regulating valve controls the tube wall temperature of the radiant tube at 550-800 DEG C.
7. reactor according to claim 1, it is characterised in that the top of the reactor is additionally provided with hopper, described Hopper is connected by feeding screw with the charging aperture.
8. reactor according to claim 1, it is characterised in that the reactor width is 2-6m, and height for reactor is 3-20m;
The side wall of the reactor is additionally provided with exhanst gas outlet, and the exhanst gas outlet is arranged on the fuel gas inlet and the air Between outlet.
9. reactor according to claim 1, it is characterised in that the material of the thermal conductor is the metal material to readily conduct heat Material.
10. reactor according to claim 1, it is characterised in that the reactor is used to heat diameter in below 20mm Fossil fuel.
CN201720330955.2U 2017-03-31 2017-03-31 Thermal storage type moving bed pyrolysis reactor Active CN207121564U (en)

Priority Applications (1)

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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720330955.2U CN207121564U (en) 2017-03-31 2017-03-31 Thermal storage type moving bed pyrolysis reactor

Publications (1)

Publication Number Publication Date
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Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106833689A (en) * 2017-03-31 2017-06-13 北京神雾电力科技有限公司 Thermal storage type moving bed pyrolysis reactor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106833689A (en) * 2017-03-31 2017-06-13 北京神雾电力科技有限公司 Thermal storage type moving bed pyrolysis reactor

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GR01 Patent grant
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Effective date of registration: 20200227

Address after: No. 1391, south side, 10th floor, new material venture building, No. 7, Fenghui Middle Road, Haidian District, Beijing

Patentee after: Beijing Jiejing Environmental Protection Technology Co.,Ltd.

Address before: 102200 Beijing city Changping District Machi Town kamis Road No. 18 building 201 room 2

Patentee before: BEIJING SHENWU POWER TECHNOLOGY Co.,Ltd.

TR01 Transfer of patent right
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Effective date of registration: 20210422

Address after: 433099 B2205 room, B District, Xintiandi International Plaza, south of Golden Avenue, Xiantao, Hubei.

Patentee after: Xiantao Fuzhong Biotechnology Co.,Ltd.

Address before: No. 1391, south side, 10th floor, new material venture building, No. 7, Fenghui Middle Road, Haidian District, Beijing

Patentee before: Beijing Jiejing Environmental Protection Technology Co.,Ltd.

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20221024

Address after: 430300 rooms 401, 402 and 403, 4th floor, B3 plant, No. 8, Chuanlong Avenue, Linkong economic and industrial demonstration park, Huangpi District, Wuhan City, Hubei Province

Patentee after: Wuhan Lando Biotechnology Co.,Ltd.

Address before: 433099 B2205 room, B District, Xintiandi International Plaza, south of Golden Avenue, Xiantao, Hubei.

Patentee before: Xiantao Fuzhong Biotechnology Co.,Ltd.