CN107858165A - A kind of radiant tube destructive distillation device - Google Patents
A kind of radiant tube destructive distillation device Download PDFInfo
- Publication number
- CN107858165A CN107858165A CN201711325752.5A CN201711325752A CN107858165A CN 107858165 A CN107858165 A CN 107858165A CN 201711325752 A CN201711325752 A CN 201711325752A CN 107858165 A CN107858165 A CN 107858165A
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- CN
- China
- Prior art keywords
- destructive distillation
- radiant tube
- spiral chute
- heater
- oil gas
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- C10B53/00—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
- C10B53/04—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form of powdered coal
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
Present invention relates particularly to a kind of radiant tube destructive distillation device, including：Body of heater, destructive distillation spiral chute and radiant tube, wherein, the body of heater is provided with charging aperture, powder outlet and destructive distillation solid outlet；The destructive distillation spiral chute is arranged in the body of heater, and the upper end of the destructive distillation spiral chute is connected with the charging aperture, and lower end is connected with the destructive distillation solid outlet, and the destructive distillation spiral chute is provided with multiple lower powder holes；The radiant tube is extended at the axis of the destructive distillation spiral chute through the body of heater.The features such as present apparatus has retort process pulverization rate low, and dust content is few in destructive distillation oil gas, and apparatus structure is simple, and mechanical part is few, the destructive distillation upgrading available for different material are handled.
Description
Technical field
The invention belongs to retorting technique field, and in particular to a kind of radiant tube destructive distillation device.
Background technology
Middle low-order coal can obtain a variety of coal base products needed in the market by pyrolysis, be cleaning, efficiently comprehensive profit
The effective way of the added value of coal product is improved with middle low order coal resource.In utilization on the one hand low-order coal pyrolytic technique can subtract
Problem of environmental pollution caused by small middle low-order coal is directly burnt, it on the other hand can make full use of higher economic value contained in coal
Compound, while realizing that coal especially middle low-order coal clean and effective utilizes, the sustainable development to China has weight
Want meaning.
Pyrolysis, also referred to as low temperature distillation, as the core technology of middle low-order coal sub-prime cascade utilization, coal pyrolysis technology by
To the extensive concern of countries in the world, a variety of pyrolytic process technologies are developed in succession, wherein foreign countries are than more typical pyrolytic process master
Including：U.S. COED（coal oil energy development）Pyrolytic process, German Rule LR（Lurgi-
Ruhrgas）Pyrolytic process, U.S.'s Toscoal techniques etc..
The typical pyrolytic process of domestic contrast mainly includes：LCC low-order coal upgradings technology, MRF pyrolytic processes, SJ pyrolysis
Technique, DG solid heat carrier pyrolysis technique and refreshing mist are without heat carrier heat accumulating type rotating bed pyrolytic process etc..Domestic and international pyrolysis of coal
Though technology has fast development, pyrolytic technique still suffers from many technical problems.
The content of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of radiant tube destructive distillation device, realize material equably by
Heat, while realize the separation of solid material and powder material, the present apparatus have that retort process pulverization rate is low, powder in destructive distillation oil gas
The features such as dust content is few, and apparatus structure is simple, and mechanical part is few, the destructive distillation upgrading available for different material are handled.
To solve the above problems, the technical solution adopted by the present invention is：
A kind of radiant tube destructive distillation device, including：Body of heater, destructive distillation spiral chute and radiant tube, wherein,
The body of heater is provided with charging aperture, powder outlet and destructive distillation solid outlet；
The destructive distillation spiral chute is arranged in the body of heater, and the upper end of the destructive distillation spiral chute is connected with the charging aperture,
Lower end is connected with the destructive distillation solid outlet, and the destructive distillation spiral chute is provided with multiple lower powder holes；
The radiant tube is extended at the axis of the destructive distillation spiral chute through the body of heater.
Further, the radiant tube is in " I types ", is heat accumulation type radiant tube, equal along the spiral of the destructive distillation spiral chute
Even arrangement.
Further, the radiant tube is multilayer, the spacing of every layer of radiant tube and the spiral shell of the destructive distillation spiral chute
Away from identical, and every layer of radiant tube is installed on the centre position of the destructive distillation spiral chute spiral layers.
Further, the destructive distillation spiral chute spiral is vertically arranged in the body of heater.
Further, in addition to：Destructive distillation oil gas vent and oil gas discharge pipe, the destructive distillation oil gas vent are located at the body of heater
Top, the destructive distillation oil gas vent be connecteds with provided with the oil gas discharge pipe of oil gas control valve, for control oil gas discharge with
Valve prevents extraneous air from entering when closing.
Further, in addition to：Feeding pipe, it tilts with the charging aperture and connected, and angle of inclination is 30-60 °, it is described enter
Expects pipe is provided with inlet valve, for control destructive distillation material disengaging and valve close when prevent extraneous air from entering.
Further, in addition to：Destructive distillation Discharge line for solids, it tilts with the destructive distillation solid outlet and connected, angle of inclination
For 30-60 °, the destructive distillation Discharge line for solids is provided with destructive distillation solids discharge valve, for controlling the discharge of destructive distillation solid and valve to close
Prevent extraneous air from entering when closing.
Further, the body of heater includes：Upper cylindrical portion and bottom are less than with bottom circular cone, the cone angle of the same bottom circular cone
120°。
Further, the destructive distillation solid outlet is located at the side surface bottom of the cylindrical portion, and the charging aperture is located at institute
The side surface top of cylindrical portion is stated, the powder outlet is located at the cone bottom of the same bottom circular cone.
Further, the aperture of the lower powder hole is 3-7mm.
The beneficial effects of the present invention are：The present invention by setting the radiant tube of multilayer, realize material equably by
Heat, while realize the separation of solid material and powder material, while the present apparatus has that retort process pulverization rate is low, destructive distillation oil gas
The features such as middle dust content is few, and apparatus structure is simple, and mechanical part is few, the destructive distillation upgrading available for different material are handled.
Brief description of the drawings
Fig. 1 is radiant tube destructive distillation device overall structure figure of the present invention.
Fig. 2 is radiant tube destructive distillation device top view of the present invention.
Fig. 3 is the lower powder hole schematic diagram of destructive distillation spiral chute of the present invention.
Fig. 4 is radiant tube schematic diagram of the present invention.
Fig. 5 is radiant tube arrangement top view in destructive distillation device of the present invention.
Wherein, 1, oil gas discharge pipe 2, feeding pipe 3, destructive distillation spiral chute 4, body of heater 5, powder discharge pipe 6, destructive distillation
Discharge line for solids 7, radiant tube 8, lower powder hole.
Embodiment
In order that those skilled in the art more fully understand technical scheme, with reference to specific embodiment to this
Invention is described in further detail.It is exemplary for note that the embodiments described below, 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.Agents useful for same or the unreceipted production firm person of instrument, being can
To pass through the conventional products of acquisition purchased in market.
According to an aspect of the present invention, the invention provides a kind of radiant tube destructive distillation device, Fig. 1 is radiant tube of the present invention
Destructive distillation device overall structure figure, as shown in figure 1, mainly including：Body of heater, destructive distillation spiral chute and radiant tube, wherein, the body of heater
Provided with charging aperture, powder outlet and destructive distillation solid outlet；The destructive distillation spiral chute is arranged in the body of heater, the destructive distillation spiral shell
The upper end of rotation chute is connected with the charging aperture, and lower end is connected with the destructive distillation solid outlet, is set on the destructive distillation spiral chute
There are multiple lower powder holes；Material enters on the destructive distillation spiral chute in body of heater through feeding mouth, is slid downwards along destructive distillation spiral chute, and
Lower powder hole by being arranged at the destructive distillation spiral chute bottom realizes the screening of solid material and powder material, the radiant tube
Extended to through the body of heater at the axis of the destructive distillation spiral chute, enable to material to be heated evenly.
Thus, radiant tube destructive distillation device of the invention, by setting the radiant tube of multilayer, realize material equably by
Heat, while realize the separation of solid material and powder material, while the present apparatus has that retort process pulverization rate is low, destructive distillation oil gas
The features such as middle dust content is few, and apparatus structure is simple, and mechanical part is few, the destructive distillation upgrading available for different material are handled.
According to a particular embodiment of the invention, Fig. 4 is radiant tube schematic diagram of the present invention, as shown in figure 4, the radiant tube is in
" I types ", it is heat accumulation type radiant tube.Fig. 5 is that radiant tube is arranged top view in destructive distillation device of the present invention, shown in reference picture 5, along described
The spiral of spiral chute is evenly arranged, and the spacing of every layer of radiant tube is identical with the pitch of the destructive distillation spiral chute, and often
The layer radiant tube is installed on the centre position of the destructive distillation spiral chute spiral layers.Specifically, radiant tube is along spiral chute cloth
Put, the radiant tube arrangement number of plies, floor height and spiral rotating, angle of inclination are consistent with spiral chute, and radiant tube is attached to spiral shell
Revolve the centre position of layer（I.e.：Radiant tube arrangement is identical with the spacing of the upper and lower spiral layers where it）.
According to a particular embodiment of the invention, the present apparatus belongs to vertical heater, and cross section is circle, and inside is provided with spiral chute
And heat accumulation type radiant tube, destructive distillation material enter in body of heater from feeding mouth, moved down along spiral chute, destructive distillation solid is under body of heater
The destructive distillation solid outlet discharge in portion, the powder through lower powder hole are discharged from the powder outlet of bottom of furnace body.Fig. 2 radiates for the present invention
Pipe destructive distillation device top view, as shown in Fig. 2 the present apparatus also includes destructive distillation oil gas vent and oil gas discharge pipe, the destructive distillation oil gas
Above the body of heater, the destructive distillation oil gas vent is connected with the oil gas discharge pipe provided with oil gas control valve for outlet, is used
Prevent extraneous air from entering when controlling oil gas discharge and valve to close.Oil gas discharge pipe is arranged at the top of body of heater, with body of heater
Upper surface be in 90 degree of angles, the discharge process of destructive distillation oil gas is controlled by oil gas control valve, and destructive distillation oil gas is dry from upper of furnace body
Evaporate oil gas vent discharge.
According to a particular embodiment of the invention, destructive distillation spiral chute is arranged in body of heater, and vertical placement, spiral chute
Axle center is located at destructive distillation device axle center, and the floor height of spiral chute is not particularly limited, and need to meet material on spiral chute under freedom
Fall, the number of plies of spiral chute is also not particularly limited, and need to meet that the volatile matter in material can be proposed sufficiently, depending on specific production
Depending on application requirement, the aperture of the lower powder hole on destructive distillation spiral chute is preferably 3-7mm.
According to a particular embodiment of the invention, present invention additionally comprises feeding pipe, its charging aperture with being arranged at upper of furnace body
Connection, horizontal by the angle of 30-60 degree, the fill process of feeding pipe controls, do not fed feeding pipe by inlet control valve
Period, valve are closed, and prevent air from entering destructive distillation device, and charging aperture is connected with the upper port of spiral chute, are filled into destructive distillation
The material put is given on spiral chute by feeding pipe.
According to a particular embodiment of the invention, present invention additionally comprises：Destructive distillation Discharge line for solids, it is with being arranged at lower portion of furnace body
Destructive distillation solid outlet connection, destructive distillation Discharge line for solids is horizontal by the angle of 30-60 degree, the discharging of destructive distillation Discharge line for solids
Process is controlled by destructive distillation solids discharge valve, and during not discharging, valve is closed, and prevents air from entering destructive distillation device, destructive distillation solid
Outlet is connected with the lower port of spiral chute.
According to a particular embodiment of the invention, present invention additionally comprises：Powder discharge pipe, its bottom with being arranged at body of heater
Powder outlet is connected, and the powder fallen from the hole on spiral chute is discharged from powder discharge pipe, powder discharge pipe and horizontal plane
In 90 degree of angle, powder discharge pipe is provided with powder discharge control valve, and the discharge process of powder discharge pipe is discharged by powder to be controlled
Valve control processed, during not discharging, valve is closed, and prevents air from entering destructive distillation device.
According to a particular embodiment of the invention, body of heater mainly plays sealing and insulation effect, and the agent structure of body of heater is top
Cylinder, bottom be with bottom circular cone, for ease of the centrum of the powder that is fallen from the lower powder hole on destructive distillation spiral chute along furnace wall from
Powder discharge pipe is discharged, and the design of cone angle less than 120 degree to be advisable.Vertical range between destructive distillation tube wall and chute edge does not have
Especially limitation, is advisable, the destructive distillation solid outlet is located at the side surface bottom of the cylindrical portion, described in order to repair, run
Charging aperture is located at the side surface top of the cylindrical portion, and the powder outlet is located at the cone bottom of the same bottom circular cone.
Embodiment one
The present embodiment device mainly includes：Feeding pipe, oil gas discharge pipe, destructive distillation Discharge line for solids, powder discharge pipe, destructive distillation spiral
Chute, radiant tube and body of heater.
Feeding pipe is arranged at the top of body of heater, pipe diameter 20cm, horizontal by 45 degree of angle, is set on the feeding pipe
There is inlet valve, the feeding mouth fill process of feeding pipe is controlled by inlet valve, and during not feeding, valve is closed, and prevents air from entering
Enter destructive distillation device, the other end of feeding pipe is connected with the upper port of spiral chute, and the material into destructive distillation device passes through pan feeding
Pipe is given on spiral chute.Oil gas discharge pipe is arranged at the top of body of heater, and pipe diameter 20cm, the upper surface with body of heater is in 90 degree of folders
Angle, the discharge process of destructive distillation oil gas are controlled by oil gas control valve.Destructive distillation Discharge line for solids is arranged at the bottom of body of heater, pipe diameter
20cm, destructive distillation Discharge line for solids is horizontal by 45 degree of angle, and the discharging process of destructive distillation Discharge line for solids is by destructive distillation solid control
Valve control processed, during not discharging, valve is closed, and prevents that air from entering destructive distillation device, the other end of destructive distillation solids exit pipe and
The lower port of spiral chute is connected.Powder discharge pipe is arranged at the bottom of body of heater, pipe diameter 20cm, from the hole on spiral chute
In the powder that falls discharged from powder discharge pipe, powder discharge pipe is horizontal by 90 degree of angle, the discharge of powder discharge pipe
Process is controlled by powder dump valve, and during not discharging, valve is closed, and prevents air from entering destructive distillation device.Destructive distillation spiral chute
It is arranged in body of heater, and vertical placement, cross-sectional diameter 100cm, the axle center of spiral chute is located at destructive distillation device axle center, spiral
The floor height of chute is 80cm, and the number of plies of spiral chute is 4 layers.Body of heater mainly plays sealing and insulation effect, furnace wall agent structure are
Upper cylindrical, body diameter 140cm, bottom are to be designed as 100 degree with bottom circular cone, cone angle.Inboard wall of furnace body and destructive distillation spiral
Vertical range between chute edge is 20cm.Heat accumulation type radiant tube arrangement uses " I types " radiant tube, and radiant tube is along spiral shell
Chute arrangement is revolved, the radiant tube arrangement number of plies, floor height and spiral rotating, angle of inclination are consistent with spiral chute, radiant tube
It is attached to the centre position of spiral layers（I.e.：Radiant tube arrangement is identical with the spacing of the upper and lower spiral layers where it）
Radiant tube destructive distillation device of the invention in summary, by setting the radiant tube of multilayer, realize material equably by
Heat, while realize the separation of solid material and powder material, while the present apparatus has that retort process pulverization rate is low, destructive distillation oil gas
The features such as middle dust content is few, and apparatus structure is simple, and mechanical part is few, the destructive distillation upgrading available for different material are handled.
In the description of the invention, it is to be understood that term " first ", " second " are only used for describing purpose, and can not
It is interpreted as indicating or implies relative importance or imply the quantity of the technical characteristic indicated by indicating.Thus, define " the
One ", one or more this feature can be expressed or be implicitly included to the feature of " second ".
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be that machinery connects
Connect or electrically connect；Can be joined directly together, can also be indirectly connected by intermediary, can be in two elements
The connection in portion or the interaction relationship of two elements.For the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
In the present invention, unless otherwise clearly defined and limited, fisrt feature can be with "above" or "below" second feature
It is that the first and second features directly contact, or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature are directly over second feature or oblique upper, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is immediately below second feature or obliquely downward, or is merely representative of fisrt feature level height and is 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 embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changed, replacing and modification, meanwhile, for those of ordinary skill in the art, the think of according to the application
Think, in specific embodiments and applications there will be changes.
Claims (10)
- A kind of 1. radiant tube destructive distillation device, it is characterised in that including：Body of heater, destructive distillation spiral chute and radiant tube, wherein,The body of heater is provided with charging aperture, powder outlet and destructive distillation solid outlet；The destructive distillation spiral chute is arranged in the body of heater, and the upper end of the destructive distillation spiral chute is connected with the charging aperture, Lower end is connected with the destructive distillation solid outlet, and the destructive distillation spiral chute is provided with multiple lower powder holes；The radiant tube is extended at the axis of the destructive distillation spiral chute through the body of heater.
- 2. device according to claim 1, it is characterised in that the radiant tube is in " I types ", is heat accumulation type radiant tube, edge The spiral of the destructive distillation spiral chute is evenly arranged.
- 3. device according to claim 1, it is characterised in that the radiant tube is multilayer, between every layer of radiant tube Away from identical with the pitch of the destructive distillation spiral chute, and every layer of radiant tube is installed on the destructive distillation spiral chute spiral layers Centre position.
- 4. device according to claim 1, it is characterised in that the destructive distillation spiral chute spiral is vertically arranged at the stove In vivo.
- 5. device according to claim 1, it is characterised in that also include：Destructive distillation oil gas vent and oil gas discharge pipe, it is described Destructive distillation oil gas vent is above the body of heater, the destructive distillation oil gas vent and the oil gas discharge pipe provided with oil gas control valve Connection, for control oil gas discharge and valve close when prevent extraneous air from entering.
- 6. device according to claim 1, it is characterised in that also include：Feeding pipe, it is tilted with the charging aperture connects Connect, angle of inclination be 30-60 °, the feeding pipe is provided with inlet valve, for control destructive distillation material disengaging and valve closing when prevent Only extraneous air enters.
- 7. device according to claim 1, it is characterised in that also include：Destructive distillation Discharge line for solids, it consolidates with the destructive distillation Body outlet-inclined impeller vane connects, and angle of inclination is 30-60 °, and the destructive distillation Discharge line for solids is provided with destructive distillation solids discharge valve, for controlling Destructive distillation solid discharge processed and valve prevent extraneous air from entering when closing.
- 8. device according to claim 6, it is characterised in that the body of heater includes：Upper cylindrical portion and bottom are justified the bottom of with Cone, the cone angle of the same bottom circular cone are less than 120 °.
- 9. device according to claim 6, it is characterised in that the destructive distillation solid outlet is located at the side table of the cylindrical portion Face bottom, the charging aperture are located at the side surface top of the cylindrical portion, and the powder outlet is located at the cone of the same bottom circular cone Bottom.
- 10. device according to claim 1, it is characterised in that the aperture of the lower powder hole is 3-7mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711325752.5A CN107858165A (en) | 2017-12-13 | 2017-12-13 | A kind of radiant tube destructive distillation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711325752.5A CN107858165A (en) | 2017-12-13 | 2017-12-13 | A kind of radiant tube destructive distillation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107858165A true CN107858165A (en) | 2018-03-30 |
Family
ID=61706391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711325752.5A Pending CN107858165A (en) | 2017-12-13 | 2017-12-13 | A kind of radiant tube destructive distillation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107858165A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112760099A (en) * | 2021-02-01 | 2021-05-07 | 刘元生 | Pollution-free coking furnace capable of realizing continuous production |
-
2017
- 2017-12-13 CN CN201711325752.5A patent/CN107858165A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112760099A (en) * | 2021-02-01 | 2021-05-07 | 刘元生 | Pollution-free coking furnace capable of realizing continuous production |
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