CN206428184U - A kind of external heat Multi-tube composite pyrolysis plant - Google Patents
A kind of external heat Multi-tube composite pyrolysis plant Download PDFInfo
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- CN206428184U CN206428184U CN201720057116.8U CN201720057116U CN206428184U CN 206428184 U CN206428184 U CN 206428184U CN 201720057116 U CN201720057116 U CN 201720057116U CN 206428184 U CN206428184 U CN 206428184U
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Abstract
The utility model provides a kind of external heat Multi-tube composite pyrolysis plant, including outer cylinder body, driver is connected with the outside of the outer cylinder body, the entrance point of outer cylinder body is externally connected with kiln head box, kiln head box is provided with blanking device, the port of export of outer cylinder body is externally connected with aggregate tube, Material collecting box for harvesting end plate is provided between aggregate tube and the port of export of outer cylinder body, kiln tail case is connected with the outside of aggregate tube, multiple inner barrels are axially inside distributed with outer cylinder body, tube sheet is additionally provided with inside outer cylinder body, tube sheet is close to outer cylinder body entrance point, the entrance point and the port of export of the inner barrel are each passed through tube sheet and Material collecting box for harvesting end plate, make to form a closed cavity between the outer wall of inner barrel and the inwall of outer cylinder body, flue gas inlet box is additionally provided with the outside of outer cylinder body, flue gas inlet box is connected with the closed cavity in outer cylinder body, burden-guiding cone is additionally provided with the entrance point of outer cylinder body, burden-guiding cone and tube sheet one feed cavity of formation, the port of export of blanking device and the entrance point of inner barrel are entirely located in the feed cavity.
Description
Technical field
The utility model is related to field of energy and chemical technology, and in particular to a kind of external heat Multi-tube composite pyrolysis plant.
Background technology
Oil-sand, is a kind of sand or sandstone containing pitch or tar, belongs to non-conventional oil resource.China's oil-sand resource storage
Amount is abundant, the gross reserves Wei Shu worlds the 4th, and the oil content of most oil-sands has exceeded 10%, possesses higher engineering utilization value.
Research and utilization oil-sand extracts synthetic crude, to ensureing that the energy supply of China has strategic importance.At present, oil-sand is entered both at home and abroad
The most universal and feasible approach of row hydrocarbon extraction is to carry out pyrolysis processing to it.But unfortunately, due to oil-sand have compared with
Strong bonding characteristic, it is existing to adapt to the requirement of this characteristic for oil-sand, including the various pyrolysis installations of oil shale.Cause
Fail to resolve the anti stick and blockage problem of equipment, the equal nothing of current existing vertical, fluidized bed type and swinging pyrolysis installation
Method realizes the oil-sand continuous pyrolysis operation of scale.How economic, efficient, reliable and scale realization adds to the depth of oil-sand
Work, also substantially belongs to blank in China at present, it would be highly desirable to researched and developed.
Utility model content
The purpose of this utility model is to overcome existing oil-sand pyrolysis installation to be also easy to produce felt jam and can not realize scale
There is provided a kind of external heat Multi-tube composite pyrolysis plant for the problem of changing continuous pyrolysis operation.
To reach above-mentioned purpose, the technical solution of the utility model there is provided a kind of external heat Multi-tube composite pyrolysis and set
It is standby, including outer cylinder body, driver is connected with the outside of the outer cylinder body, the entrance point of the outer cylinder body is externally connected with kiln head box,
The kiln head box is provided with blanking device, and the port of export of outer cylinder body is externally connected with aggregate tube, the outlet of the aggregate tube and outer cylinder body
It is provided between end on the outside of Material collecting box for harvesting end plate, aggregate tube and is connected with kiln tail case, and aggregate tube is connected by through hole with kiln tail case, institute
The upper and lower side for stating kiln tail case is respectively equipped with exhaust outlet and discharge gate, and multiple inner barrels are axially inside distributed with the outer cylinder body,
Tube sheet is additionally provided with inside outer cylinder body, tube sheet is each passed through close to outer cylinder body entrance point, the entrance point and the port of export of the inner barrel
Tube sheet and Material collecting box for harvesting end plate, make to form a closed cavity, the outer cylinder body between the outer wall of inner barrel and the inwall of outer cylinder body
Outside be additionally provided with flue gas inlet box, the flue gas inlet box close to outer cylinder body the port of export, flue gas inlet box with outer cylinder body
Closed cavity connection, burden-guiding cone, burden-guiding cone and tube sheet one feed cavity of formation are additionally provided with the entrance point of the outer cylinder body, under
The port of export of glassware and the entrance point of inner barrel are entirely located in the feed cavity, and smoke exhaust barrel, institute are also associated with the kiln head box
State smoke exhaust barrel one end to be in communication with the outside, the smoke exhaust barrel other end is connected through tube sheet with the closed cavity in outer cylinder body.
The feed end of the outer cylinder body is higher than its port of export, and the angle of tubular axis and horizontal plane is1~5 °。
Be provided with heat-insulation layer on the inwall of the outer cylinder body, and outer cylinder body and kiln head box, flue gas inlet box and aggregate tube it
Between be provided with dynamic sealing.
The outside of the outer cylinder body is provided with bogie wheel.
The multiple inner barrel is distributed uniformly and circumferentially in outer cylinder body, and outer cylinder body inwall is provided with multiple supports,
Support is connected on the outer wall of inner barrel by short sleeve, is also connected between each inner barrel by bracing piece.
Lifting blade is provided with the inwall of the inner barrel.
Multiple automatic block clearing devices are provided with the outer wall of the inner barrel, automatic block clearing device is the cylinder of a closing, cylinder
Built-in multiple steel balls.
The burden-guiding cone Inner is provided with guide blade.
The beneficial effects of the utility model：
(1) this external heat Multi-tube composite pyrolysis plant that the utility model is provided is simple in construction, easy to operate, utilizes
Major diameter is pyrolyzed tube structure, greatly reduces oil-sand and produces the risk for bonding and blocking, by being arranged in revolution outer cylinder body
Some inner barrels, pyrolysis to oil-sand is realized indirectly, the thermal efficiency is high, and pyrolysis gas active constituent content is high, also allowed for follow-up
Deep processing is carried out, the method for carrying out scattered pyrolysis simultaneously using multiple inner barrels expands the heat transfer area of device, effectively profit
With heat transfer space, the pyrolysis efficiency and treating capacity of device are improved, the present apparatus is equally applicable to oil shale and the pyrolysis of coal is made
Industry.
(2) this external heat Multi-tube composite pyrolysis plant that the utility model is provided is by setting the feed end of outer cylinder body
Angle higher than its port of export, and tubular axis and horizontal plane is 1~5 °, is easy to oil-sand to flow out.
(3) this external heat Multi-tube composite pyrolysis plant that the utility model is provided on the inwall of outer cylinder body by setting
Put heat-insulation layer, it is ensured that the pyrolysis temperature of oil-sand.
(4) this external heat Multi-tube composite pyrolysis plant that the utility model is provided by outer cylinder body and kiln head box,
Dynamic sealing is provided between flue gas inlet box and aggregate tube, it is ensured that the sealing of outer cylinder body, prevents flue gas from shedding, while also further
Ensure pyrolysis temperature.
(5) this external heat Multi-tube composite pyrolysis plant that the utility model is provided is provided with by the outside in outer cylinder body
Bogie wheel, it is ensured that the stabilization of outer cylinder body.
(6) inner barrel is fixed on by this external heat Multi-tube composite pyrolysis plant that the utility model is provided by support
On outer cylinder body inwall, support is connected on the outer wall of inner barrel by short sleeve, and gap is left between short sleeve and inner barrel, with suitable
Answer the thermal expansion requirement of inner barrel, and also connected between each inner barrel by bracing piece, it is ensured that inner barrel it is firm.
(7) this external heat Multi-tube composite pyrolysis plant that the utility model is provided on the inwall of inner barrel by setting
It is equipped with lifting blade, it is ensured that the oil-sand in inner barrel is heated abundant.
(8) this external heat Multi-tube composite pyrolysis plant that the utility model is provided on the outer wall of inner barrel by setting
It is equipped with multiple automatic block clearing devices so that the oil-sand being bonded on inner barrel inwall drops, it is to avoid block, it is ensured that equipment is continuously transported
OK.
(9) this external heat Multi-tube composite pyrolysis plant that the utility model is provided is led by being provided with burden-guiding cone Inner
Expect blade, be conducive to importing oil-sand in each inner barrel.
The utility model is described in further details below with reference to accompanying drawing.
Brief description of the drawings
Fig. 1 is the easy structure figure of the utility model external heat Multi-tube composite pyrolysis plant；
Fig. 2 is the cross section structure diagram in I-I faces in Fig. 1；
Fig. 3 is the structural representation of the automatic block clearing device on inner barrel.
Description of reference numerals：1st, smoke exhaust barrel；2nd, kiln head box；3rd, blanking device；4th, outer cylinder body；5th, tube sheet；6th, driver；7th, it is interior
Cylinder；8th, exhaust outlet；9th, discharge gate；10th, burden-guiding cone；11st, Material collecting box for harvesting end plate；12nd, flue gas inlet box；13rd, kiln tail case；14th, collect
Barrel；15th, support；16th, bracing piece；17th, cylinder.
Embodiment
Embodiment 1：
In order to overcome existing oil-sand pyrolysis installation to be also easy to produce felt jam and scale continuous pyrolysis operation can not be realized
The problem of, a kind of external heat Multi-tube composite pyrolysis plant as shown in Figure 1, including outer cylinder body 4 are present embodiments provided, it is described
The outside of outer cylinder body 4 is connected with driver 6, and the entrance point of the outer cylinder body 4, which is externally connected with kiln head box 2, the kiln head box 2, to be set
There is blanking device 3, the port of export of outer cylinder body 4, which is externally connected between aggregate tube 14, the port of export of the aggregate tube 14 and outer cylinder body 4, to be set
There is Material collecting box for harvesting end plate 11, the outside of aggregate tube 14 is connected with kiln tail case 13, and aggregate tube 14 is connected by through hole with kiln tail case 13,
The upper and lower side of the kiln tail case 13 is respectively equipped with exhaust outlet 8 and discharge gate 9, and the outer cylinder body 4 is axially inside distributed with multiple
It is additionally provided with tube sheet 5 inside inner barrel 7, outer cylinder body 4, tube sheet 5 entrance point of the inner barrel 7 and goes out close to the entrance point of outer cylinder body 4
Mouth end is each passed through tube sheet 5 and Material collecting box for harvesting end plate 11, makes to form an envelope between the outer wall of inner barrel 7 and the inwall of outer cylinder body 4
Closed chamber body, the outside of the outer cylinder body 4 is additionally provided with flue gas inlet box 12, and the flue gas inlet box 12 is close to the outlet of outer cylinder body 4
End, flue gas inlet box 12 is connected with the closed cavity in outer cylinder body 4, and burden-guiding cone 10 is additionally provided with the entrance point of the outer cylinder body 4,
Burden-guiding cone 10 and one feed cavity of formation of tube sheet 5, the port of export of blanking device 3 and the entrance point of inner barrel 7 are entirely located in the charging
Smoke exhaust barrel 1 is also associated with intracavitary, the kiln head box 2, described one end of smoke exhaust barrel 1 is in communication with the outside, and the other end of smoke exhaust barrel 1 is passed through
Tube sheet 5 is connected with the closed cavity in outer cylinder body 4.
The operation principle for this external heat Multi-tube composite pyrolysis plant that the utility model is provided is as follows：
When system works, driver 6 drives the continuous rotary of outer cylinder body 4, inner barrel 7 and the synchronous revolving of outer cylinder body 4, and front end is done
The oil-sand of dry mistake enters burden-guiding cone 10 and the feed cavity of the formation of tube sheet 5 by the blanking device 3 on kiln head box 2, then passes through burden-guiding cone
10 uniformly introduce oil-sand in inner barrel 7, meanwhile, 650~750 DEG C of heat smoke enters to outer barrel by flue gas inlet box 12
In closed cavity between the inwall of body 4 and the outer wall of inner barrel 7, heat smoke is provided by the hot-blast stove being separately provided, and hot-blast stove can be adopted
Directly burnt with the oil-sand semicoke after pyrolysis, such as coal other auxiliary fuels are still further supplemented during shortage of heat.In the work of blower fan
Under, heat smoke from the port of export of outer cylinder body 4 to import end motion, oil-sand in inner barrel 7 in turning course gradually to
The port of export is moved, while carrying out heat exchange by means of the heat smoke in closed cavity, temperature progressively rises to 450~500 DEG C of realizations
Pyrolysis, forms pyrolysis gas and oil-sand semicoke, and comes together in the Inner of aggregate tube 14 in the port of export, is entered by the through hole on aggregate tube 14
Kiln tail case 13, pyrolysis gas and the distribution of oil-sand semicoke are discharged respectively by the exhaust outlet 8 and discharge gate 9 of kiln tail case 13, and heat smoke is then
Temperature constantly declines in moving process, is down to 300~350 DEG C to temperature during 4 entrance point of outer cylinder body, is discharged via smoke exhaust barrel 1,
The flue gas partial of discharge can be used for hot-blast stove return air, it can also be used to the drying of technique front end oil-sand.
By said process, the continuous pyrolysis operation of oil-sand can be fully realized, and obtains the pyrolysis of high active constituent content
Gas and oil-sand semicoke, and tar and pure pyrolysis gas can obtain to pyrolysis gas progress condensation separation, add deeply for further
Work.
This external heat Multi-tube composite pyrolysis plant of the present utility model is simple in construction, easy to operate, utilizes major diameter
Tube structure is pyrolyzed, oil-sand is greatly reduced and produces the risk for bonding and blocking, it is some in revolution outer cylinder body by being arranged on
Inner barrel, pyrolysis of the realization to oil-sand indirectly, the thermal efficiency is high, and pyrolysis gas active constituent content is high, also allows for follow-up carry out deeply
Degree processing, the method for being carried out scattered pyrolysis simultaneously using multiple inner barrels, is expanded the heat transfer area of device, is effectively utilized and changes
Heat space, improves the pyrolysis efficiency and treating capacity of device, and the present apparatus is equally applicable to the pyrolysis operation of oil shale and coal.
Embodiment 2：
On the basis of embodiment 1, present embodiments provide a kind of external heat Multi-tube composite pyrolysis as shown in Figure 1 and set
It is standby, flowed out for the ease of oil-sand, the feed end of the outer cylinder body 4 is higher than its port of export, and the angle of tubular axis and horizontal plane
For 1~5 °.
In order to ensure to be provided with heat-insulation layer on the pyrolysis temperature of oil-sand, the inwall of the outer cylinder body 4.
Further, in order to ensure the sealing of outer cylinder body 4, the outer cylinder body 4 and kiln head box 2, flue gas inlet box 12 and collection
Dynamic sealing is provided between barrel 14, prevents flue gas from shedding, while being also further ensured that pyrolysis temperature.
The outside of the outer cylinder body 4 is provided with bogie wheel, it is ensured that the stabilization of outer cylinder body 4.
Embodiment 3：
On the basis of embodiment 2, a kind of external heat Multi-tube composite as depicted in figs. 1 and 2 is present embodiments provided
Pyrolysis plant, in order to ensure the firm of inner barrel 7, the multiple inner barrel 7 is distributed uniformly and circumferentially in outer cylinder body 4,
The inwall of outer cylinder body 4 is provided with multiple supports 15, and support 15 is connected to by short sleeve on the outer wall of inner barrel 7, each inner barrel 7 it
Between also connected by bracing piece 16, gap is left between short sleeve and inner barrel, to adapt to the thermal expansion requirement of inner barrel.
Lifting blade is provided with the inwall of the inner barrel 7, it is ensured that the oil-sand in inner barrel 7 is heated abundant.
Multiple automatic block clearing devices are provided with the outer wall of the inner barrel 7, automatic block clearing device is the cylinder 17 of a closing, circle
17 built-in multiple steel balls of cylinder.On the inwall that inner barrel 7 is easily bonded in due to oil-sand, inner cylinder is connected to by pole in cylinder 17
On the outer wall of body 7, the one end of cylinder 17 and the wall contacts of inner barrel 7, when inner barrel 7 rotates together with outer cylinder body 4, cylinder
Steel ball in 17 is moved in cylinder 17 back and forth, the jarring inner barrel 7 of cylinder 17 so that be bonded in the oil-sand on the inwall of inner barrel 7
Drop, it is to avoid block, it is ensured that equipment is continuously run.
In addition, the Inner of burden-guiding cone 10 is provided with guide blade, be conducive to importing oil-sand in each inner barrel 7.
Exemplified as above is only for example, not constituting to protection domain of the present utility model to of the present utility model
Limitation, it is every to be belonged to the same or analogous design of the utility model within protection domain of the present utility model.The present embodiment
The part and structure not described in detail belong to the well-known components and common structure or conventional means of the industry, do not chat one by one here
State.
Claims (8)
1. a kind of external heat Multi-tube composite pyrolysis plant, it is characterised in that：Including outer cylinder body（4）, the outer cylinder body（4）It is outer
Side is connected with driver（6）, the outer cylinder body（4）Entrance point be externally connected with kiln head box（2）, the kiln head box（2）It is provided with
Blanking device（3）, outer cylinder body（4）The port of export be externally connected with aggregate tube（14）, the aggregate tube（14）With outer cylinder body（4）Outlet
Material collecting box for harvesting end plate is provided between end（11）, aggregate tube（14）Outside be connected with kiln tail case（13）, and aggregate tube（14）By logical
Hole and kiln tail case（13）Connection, the kiln tail case（13）Upper and lower side be respectively equipped with exhaust outlet（8）And discharge gate（9）, it is described outer
Cylinder（4）Multiple inner barrels are axially inside distributed with（7）, outer cylinder body（4）Inside is additionally provided with tube sheet（5）, tube sheet（5）Close to outer
Cylinder（4）Entrance point, the inner barrel（7）Entrance point and the port of export be each passed through tube sheet（5）With Material collecting box for harvesting end plate（11）, make
Inner barrel（7）Outer wall and outer cylinder body（4）Inwall between formed a closed cavity, the outer cylinder body（4）Outside also set
There is flue gas inlet box（12）, the flue gas inlet box（12）Close to outer cylinder body（4）The port of export, flue gas inlet box（12）With outer barrel
Body（4）Interior closed cavity connection, the outer cylinder body（4）Entrance point in be additionally provided with burden-guiding cone（10）, burden-guiding cone（10）With pipe
Plate（5）Form a feed cavity, blanking device（3）The port of export and inner barrel（7）Entrance point be entirely located in the feed cavity, institute
State kiln head box（2）On be also associated with smoke exhaust barrel（1）, the smoke exhaust barrel（1）One end is in communication with the outside, smoke exhaust barrel（1）The other end is worn
Cross tube sheet（5）With outer cylinder body（4）Interior closed cavity connection.
2. external heat Multi-tube composite pyrolysis plant as claimed in claim 1, it is characterised in that：The outer cylinder body（4）Enter
Expect that end is higher than its port of export, and the angle of tubular axis and horizontal plane is 1~5 °.
3. external heat Multi-tube composite pyrolysis plant as claimed in claim 1, it is characterised in that：The outer cylinder body（4）It is interior
Heat-insulation layer, and outer cylinder body are provided with wall（4）With kiln head box（2）, flue gas inlet box（12）And aggregate tube（14）Between be provided with
Dynamic sealing.
4. external heat Multi-tube composite pyrolysis plant as claimed in claim 1, it is characterised in that：The outer cylinder body（4）It is outer
Side is provided with bogie wheel.
5. external heat Multi-tube composite pyrolysis plant as claimed in claim 1, it is characterised in that：The multiple inner barrel（7）
It is distributed uniformly and circumferentially in outer cylinder body（4）It is interior, outer cylinder body（4）Inwall is provided with multiple supports（15）, support（15）Pass through
Short sleeve is connected to inner barrel（7）Outer wall on, each inner barrel（7）Between also pass through bracing piece（16）Connection.
6. external heat Multi-tube composite pyrolysis plant as claimed in claim 1, it is characterised in that：The inner barrel（7）It is interior
Lifting blade is provided with wall.
7. external heat Multi-tube composite pyrolysis plant as claimed in claim 1, it is characterised in that：The inner barrel（7）It is outer
Multiple automatic block clearing devices are provided with wall, automatic block clearing device is the cylinder of a closing（17）, cylinder（17）Built-in multiple steel balls.
8. external heat Multi-tube composite pyrolysis plant as claimed in claim 1, it is characterised in that：The burden-guiding cone（10）Inner is set
It is equipped with guide blade.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720057116.8U CN206428184U (en) | 2017-01-18 | 2017-01-18 | A kind of external heat Multi-tube composite pyrolysis plant |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720057116.8U CN206428184U (en) | 2017-01-18 | 2017-01-18 | A kind of external heat Multi-tube composite pyrolysis plant |
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| CN206428184U true CN206428184U (en) | 2017-08-22 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106701121A (en) * | 2017-01-18 | 2017-05-24 | 中国重型机械研究院股份公司 | Multi-tube combined external-heat type pyrolysis device |
| CN107652993A (en) * | 2017-10-12 | 2018-02-02 | 李艺 | A kind of annular multitube pyrolysis greasy filth, scrap tire and waste plastics house refuse reaction unit |
| CN109405478A (en) * | 2018-12-11 | 2019-03-01 | 郑州市同鼎机械设备有限公司 | A kind of baking sand device with preventing sand returning kiln hood |
| CN109575963A (en) * | 2018-12-20 | 2019-04-05 | 中国重型机械研究院股份公司 | A kind of high-efficiency heat exchanger and its application method for oil-sand pyrolysis |
-
2017
- 2017-01-18 CN CN201720057116.8U patent/CN206428184U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106701121A (en) * | 2017-01-18 | 2017-05-24 | 中国重型机械研究院股份公司 | Multi-tube combined external-heat type pyrolysis device |
| CN107652993A (en) * | 2017-10-12 | 2018-02-02 | 李艺 | A kind of annular multitube pyrolysis greasy filth, scrap tire and waste plastics house refuse reaction unit |
| CN109405478A (en) * | 2018-12-11 | 2019-03-01 | 郑州市同鼎机械设备有限公司 | A kind of baking sand device with preventing sand returning kiln hood |
| CN109405478B (en) * | 2018-12-11 | 2024-03-08 | 郑州市同鼎机械设备有限公司 | Sand drying device with sand return prevention kiln head |
| CN109575963A (en) * | 2018-12-20 | 2019-04-05 | 中国重型机械研究院股份公司 | A kind of high-efficiency heat exchanger and its application method for oil-sand pyrolysis |
| CN109575963B (en) * | 2018-12-20 | 2024-06-04 | 中国重型机械研究院股份公司 | Efficient heat exchange device for oil sand pyrolysis and application method thereof |
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