CN105444556B - A kind of direct-fired combustion gas drying cylinder - Google Patents
A kind of direct-fired combustion gas drying cylinder Download PDFInfo
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- CN105444556B CN105444556B CN201511002412.XA CN201511002412A CN105444556B CN 105444556 B CN105444556 B CN 105444556B CN 201511002412 A CN201511002412 A CN 201511002412A CN 105444556 B CN105444556 B CN 105444556B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B23/00—Heating arrangements
- F26B23/02—Heating arrangements using combustion heating
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Abstract
The present invention relates to drying equipment field, more particularly to a kind of direct-fired combustion gas drying cylinder, including tubular cylinder and the end cap for being respectively arranged on cylinder body both ends；Two pieces of end caps are respectively equipped with operation side axis head and driving side spindle nose, exhaust end cover are equipped with exhausting-gas hole；Driving side spindle nose is equipped with ignition system, and ignition system includes feeder and igniter；Feeder includes combustion-supporting feed channel and right feed channel；Combustion-supporting feed channel is connected with tube chamber, and gas pipeline stretches into cylinder interior, the end connection of igniter and gas pipeline.Direct-fired combustion gas drying cylinder has discarded existing steam drying mode, natural gas is used as raw material, directly achieve the purpose that drying fibrous plate in cylinder interior burning, combustion of natural gas will not pollute environment, directly flame heat regulating is avoided to scatter and disappear in baking in-cylinder combustion natural gas, outer wall of cylinder block is allowed to be heated more preferably, heat utilization rate higher, and then improve drying efficiency of the direct-fired combustion gas drying cylinder to fiberboard.
Description
Technical field
The present invention relates to drying equipment field, more particularly to a kind of direct-fired combustion gas drying cylinder.
Background technology
At this stage, the production model of latex fiber plate is to carry out dry products using steam heated cylinders, steam be typically by
Coal-burning boiler provides.Coal-burning boiler produces steam, and steam is passed through saturated vapor in drying cylinder internal condensation, release by steam joint
Heat out causes dryer temperature to rise, so that the product for being coated on the operation of roller shell surface be heated.Heat is in product and baking
It is passed in the contact of cylinder surfaces in product.However, the discharge of coal-burning boiler exhaust gas is always the emphasis of national environmental protection monitoring, closely
Nian Lai, in order to increase environmentally friendly management, more and more local governments start to set up coal-fired Jin Ran areas, therefore coal-burning boiler is just
It cannot be continuing with.And use combustion natural gas boiler instead, and needed due to during into excessively multiple thermal energy conversion, use combustion
Natural gas boiler produces steam supply drying cylinder heating, and cost will be than producing nearly 3 times of steam increase using coal-burning boiler originally；It is
The no heat that can be efficiently produced using the combustion of natural gas of unit completes the drying process of product, just becomes control production cost
With the key for improving drying efficiency.
The content of the invention
It is an object of the invention to propose a kind of direct-fired combustion gas drying cylinder, it is directly burnt using natural gas in cylinder interior
Produce heat and carry out heated drying cylinder, avoid multiple heat conversion process, natural gas utilization efficiency of heat energy greatly improves, production cost
The cost of coal-burning boiler is used close to original, and improves drying efficiency, has created the new road of a drying cylinder heating technique.
For this purpose, the present invention uses following technical scheme：
A kind of direct-fired combustion gas drying cylinder, including tubular cylinder and the end cap for being respectively arranged on cylinder body both ends；
Two pieces of end caps are respectively exhaust end cover and igniting end cap, and the center of the exhaust end cover is equipped with operation side axis
Head, the igniting end cap central are equipped with driving side spindle nose；
The operation side axis head and the driving side spindle nose are stretched out to the outside of the end face at the both ends of the cylinder body respectively；And
The operation side axis head is overlapped with the central axis of the driving side spindle nose with the central axis of the cylinder body；
The exhaust end cover is equipped with exhausting-gas hole；The driving side spindle nose is internally provided with tube chamber；The driving side spindle nose is equipped with
Ignition system, the ignition system include feeder and igniter；The feeder includes combustion-supporting feed channel and combustion gas
Pipeline；The feeder is plugged in the end of the tube chamber, and the combustion-supporting feed channel is connected with the tube chamber, the Gas Pipe
Road stretches into the cylinder interior, and the igniter is located at cylinder interior and is connected with the end of the gas pipeline.
The exhaust end cover is equipped with head plate, and the head plate is arranged on the outside of the exhaust end cover；In the head plate
Portion is equipped with rotation hole, and edge is equipped with exhaust outlet；The head plate is arranged on the end face of the cylinder body, and the operation side axis head is from described
Rotation hole is pierced by, and the head plate is plugged in the end face at the end of the cylinder body, and make it that the cylinder body is opposite around central shaft
The head plate rotates.
The feeder includes mounting base and Gas Pipe, is tubular cavity inside the mounting base, it is equipped with openend
And sealed end, the side wall at the mounting base bottom are equipped with combustion-supporting gas port, the combustion-supporting gas port holds with the tubulose inside the mounting base
Chamber connects to form the gas pipeline；The sealed end of the mounting base is fixed in described Gas Pipe one end, and to the mounting base
Outside stretch out, its other end through the mounting base sealed end and the tube chamber stretch into the cylinder body, the Gas Pipe
It is internally provided with the gas pipeline.
The openend of the mounting base is connected by swivel with the end of the driving side spindle nose.
The Gas Pipe is linear conduit, and its center axis is overlapped with the central axis of the driving side spindle nose.
The cylinder interior is additionally provided with flame flow guide system；The flame flow guide system include supporting rack, the first kuppe,
Second kuppe and fireguard；
Support frame as described above is fixed with the cylinder body；First kuppe and second kuppe are tubulose, and institute
The radial dimension for stating the second kuppe is bigger than the radial dimension of first kuppe.Center of the both of which parallel to the cylinder body
Axis is arranged in the cylinder body；
First kuppe is arranged on support frame as described above, and its one end is close to the exhaust end cover, and the other end is close to the point
Fiery device simultaneously covers on the igniter in the tube chamber that it is equipped with；The firing tip is fixed in described second kuppe one end
Lid；The other end covers one end of the igniter and first kuppe covered on the outside of the igniter；Institute
State fireguard and be arranged on support frame as described above perpendicular to the central axis of the cylinder body, the fireguard is close to the igniter
Flame jet, and leave bright eruption gap.
First kuppe and second kuppe are circular tube shaped, and both central axis and the cylinder body
Center line axis overlaps.
The fireguard is fixed by adjusting bolt and support frame as described above.
Heat reclaiming system is additionally provided with outside the direct-fired combustion gas drying cylinder, the heat reclaiming system includes：Thermal energy returns
Receive cover and heat recovery pipe；
The thermal energy reclaiming cover is closed housing；The heat recovery pipe is sealing pipeline, its both ends is respectively equipped with
Intake interface and puff prot, its side wall are equipped with recovery port；The thermal energy reclaiming cover is arranged on the outside of the direct-fired combustion gas drying cylinder；
The heat recovery pipe is arranged in the space on the inside of the thermal energy reclaiming cover between the outer wall of cylinder block of direct-fired combustion gas drying cylinder；
The intake interface is connected with the exhaust outlet, and the puff prot is arranged on the bottom of the cylinder body；The recovery port is equipped with pumping
Device, the air extractor is to the heat recovery pipe internal suction gas.
The puff prot has multiple, and multiple puff prots are arranged in a straight line, and arranged on direct-fired combustion gas drying cylinder cylinder body just
Lower section, and the outer wall of cylinder body described in face；The recovery port be equipped with it is multiple, be respectively arranged on the different positions of the heat recovery pipe
Put.
The present invention proposes a kind of direct-fired combustion gas drying cylinder according to the above, and the direct-fired combustion gas drying cylinder is in real work
In, its both ends are rack-mount, and the operation side axis head and the driving side spindle nose are rotated arranged on the both sides of stent respectively,
Driving device is connected with the driving side spindle nose, and drives the cylinder body around the center axis thereof of itself, with moisture content
Ribbon-like fibre plate passes through around the outer wall of cylinder block surface；Combustion-supporting gas and the natural gas are respectively from the combustion-supporting feed channel and institute
State gas pipeline and enter cylinder interior, the igniter lights natural gas so that the Gas Pipe road junction is to the cylinder body
Inside jet out flames, flame heats cylinder body, and the cylinder body after heating dries fiberboard.
The direct-fired combustion gas drying cylinder has discarded existing steam drying mode, natural gas is used as raw material, directly in cylinder body
Internal-combustion achievees the purpose that drying fibrous plate, and combustion of natural gas will not pollute environment, directly by natural gas in drying cylinder
Interior burning avoids flame heat regulating from scattering and disappearing, and allows outer wall of cylinder block to be heated more preferably, heat utilization rate higher, and then improves direct-fired combustion gas
Drying efficiency of the drying cylinder to fiberboard.
Brief description of the drawings
Fig. 1 is the schematic cross-sectional view of one embodiment of the present of invention；
Fig. 2 is the enlarged structure schematic diagram of part-structure in embodiment in Fig. 1；
Fig. 3 be in Fig. 2 embodiment according to the schematic cross-section on A-A faces.
Wherein：Cylinder body 100, exhaust end cover 110, end cap 120 of lighting a fire, operates side axis first 210, exhausting-gas hole 211, is driven side axis
First 220, tube chamber 221, feeder 230, mounting base 231, Gas Pipe 232, sealed end 234, combustion-supporting gas port 233, igniter
240, swivel 250, head plate 300, exhaust outlet 310, supporting rack 400, the first kuppe 410, the second kuppe 420, gear
Fiery plate 430, adjusting bolt 450, thermal energy reclaiming cover 510, heat recovery pipe 520, intake interface 530, puff prot 540, recycling
Mouth 550.
Embodiment
Further illustrate technical scheme below with reference to the accompanying drawings and specific embodiments.
As shown in Figs. 1-3, a kind of direct-fired combustion gas drying cylinder, including tubular cylinder 100 and it is respectively arranged on 100 both ends of cylinder body
End cap；Two pieces of end caps are respectively exhaust end cover 110 and igniting end cap 120, and the center of the exhaust end cover 110 is equipped with operation
Side axis first 210,120 center of the igniting end cap are equipped with driving side spindle nose 220；The operation side axis first 210 and the driving side
Spindle nose 220 is stretched out to the outside of the end face at the both ends of the cylinder body 100 respectively；And the operation side axis first 210 and the transmission
The central axis of side axis first 220 is overlapped with the central axis of the cylinder body 100；The exhaust end cover 110 is equipped with exhausting-gas hole 211；
The driving side spindle nose 220 is internally provided with tube chamber 221；The driving side spindle nose 220 is equipped with ignition system, the ignition system bag
Include feeder 230 and igniter 240；The feeder 230 includes combustion-supporting feed channel and gas pipeline；The supply dress
230 ends for being plugged in the tube chamber 221 are put, the combustion-supporting feed channel is connected with the tube chamber 221, and the gas pipeline stretches into
Inside the cylinder body 100, the igniter 240 is located at the inside of cylinder body 100 and is connected with the end of the gas pipeline.
The direct-fired combustion gas drying cylinder is rack-mount by its both ends in real work, the operation side axis first 210
Rotated respectively arranged on the both sides of stent with the driving side spindle nose 220, driving device is connected with the driving side spindle nose, and is driven
For the cylinder body 100 around the center axis thereof of itself, the ribbon-like fibre plate with moisture content bypasses 100 outer wall surface of cylinder body
Pass through；Combustion-supporting gas and the natural gas enter inside cylinder body 100 from the combustion-supporting feed channel and the gas pipeline respectively, described
Igniter 240 lights natural gas so that the Gas Pipe road junction jets out flames into the cylinder body 100, and flame is to cylinder body
100 are heated, and the cylinder body 100 after heating dries fiberboard.
The direct-fired combustion gas drying cylinder has discarded existing steam drying mode, natural gas is used as raw material, directly in cylinder body
100 internal-combustions achieve the purpose that drying fibrous plate, and combustion of natural gas will not pollute environment, directly dry natural gas
In-cylinder combustion avoids flame heat regulating from scattering and disappearing, and makes 100 outer wall-heated of cylinder body more preferable, heat utilization rate higher, and then improves direct combustion
Drying efficiency of the formula combustion gas drying cylinder to fiberboard.
The exhaust end cover 110 is equipped with head plate 300, and the head plate 300 is arranged on the outside of the exhaust end cover 110；
The middle part of head plate 300 is equipped with rotation hole, and edge is equipped with exhaust outlet 310；The head plate 300 is arranged on the cylinder body 100
End face, the operation side axis first 210 are pierced by from the rotation hole, and the head plate 300 is plugged in the end of the cylinder body 100
End face, and the cylinder body 100 is rotated around central shaft relative to the head plate 300.Natural gas is in 100 internal combustion of cylinder body
The exhaust gas produced is burnt, is first discharged from the exhausting-gas hole 211, then is collected and from 310 row of exhaust outlet by the head plate 300
Go out, because the head plate 300 is motionless relative to stent, therefore even if the cylinder body 100 rotates, the exhaust outlet 310
It is fixed so that 100 exhaust position of cylinder body is fixed, and is connected easy to it with other structures.
The feeder 230 includes mounting base 231 and Gas Pipe 232, and the inside of mounting base 231 is tubular cavity,
It is equipped with openend and sealed end 234, and the side wall at 231 bottom of mounting base is equipped with combustion-supporting gas port 233, the combustion-supporting gas port 233
Connect to form the gas pipeline with the tubulose cavity volume inside the mounting base 231；Described 232 one end of Gas Pipe is fixed on described
The sealed end 234 of mounting base 231, and stretched out to the outside of the mounting base 231, its other end passes through the mounting base 231
Sealed end 234 and the tube chamber 221 are stretched into the cylinder body 100, and the Gas Pipe 232 is internally provided with the gas pipeline.Institute
State 230 one side of feeder to block the end face of the drive shaft, on the one hand by combustion-supporting gas and natural gas respectively from two
It is delivered in lattice pipeline in cylinder body 100, avoids occurring exploding when lighting after mixing during transport.
The openend of the mounting base 231 is connected by swivel with the end of the driving side spindle nose.It is so that described
Feeder 230 will not follow the cylinder body 100 to rotate together, avoid being connected in the mounting base 231 external pipe in institute
State when feeder 230 rotates and damage, and easy to the mounting base 231 and the installation and removal of the driving side spindle nose.
The Gas Pipe is linear conduit, and its center axis is overlapped with the central axis of the driving side spindle nose.So that institute
Gas pipeline is stated when the cylinder body 100 rotates, is always positioned on the central axis of the cylinder body 100, will not be in the cylinder body
Shift collision during 100 rotation with other structures, ensure that the normal work operating of the direct-fired combustion gas drying cylinder.
Flame flow guide system is additionally provided with inside the cylinder body 100；The flame flow guide system includes supporting rack 400, first
Kuppe 410, the second kuppe 420 and fireguard 430；Support frame as described above 400 is fixed with the cylinder body 100；Described first leads
Stream cover 410 and second kuppe 420 are tubulose, and the radial dimension of second kuppe 420 is led than described first
The radial dimension of stream cover 410 is big.Both of which is arranged in the cylinder body 100 parallel to the central axis of the cylinder body 100；Described
One kuppe 410 is arranged on support frame as described above 400, and its one end is close to the exhaust end cover 110, and the other end is close to the igniter
240 and the igniter 240 is covered in the tube chamber 221 that it is equipped with；The point is fixed in described second kuppe, 420 one end
Fire end lid 120；The other end is by the igniter 240 and covers at first kuppe on the outside of the igniter 240
410 one end covers；The fireguard 430 is arranged on support frame as described above 400, institute perpendicular to the central axis of the cylinder body 100
Flame jet of the fireguard close to the igniter 240 is stated, and leaves bright eruption gap.
The flame flow guide system is in practical application, the flame sprayed from igniter 240 can directly impinge gear fire
On plate 430, and disperse along the gear fire plane of the fireguard 430, blocked by first kuppe 410 around, and edge
First kuppe 410 to cover wall sprayed to the both ends of first kuppe 410, when flame is from first water conservancy diversion
When cover 410 is sprayed close to one end of second kuppe 420, flame again can blocking by second kuppe 420, and edge
The cover wall for second kuppe 420 sprays, and finally touches the side wall of 100 surrounding of cylinder body.
The flame that the flame flow guide system sprays script with column of flame shape to single direction, passes through the stop of multiple directions
And water conservancy diversion, it is finally more scattered to be ejected on the side wall of 100 surrounding of cylinder body so that the side wall of cylinder body 100 is uniformly heated,
Quickly so that the cylinder body 100 of the direct-fired combustion gas drying cylinder is uniformly heated, and drying effect is more preferable, and drying efficiency also obtains
Greatly improve.
First kuppe 410 and second kuppe 420 are circular tube shaped, and both central axis with it is described
The center line axis of cylinder body 100 overlaps.Ensure first kuppe 410 and second kuppe 420 and the cylinder body 100
Rotation axis is coaxial, will not change or damage there are recurring structure because of because of centrifugal force.
The fireguard 430 is fixed by adjusting bolt 450 and support frame as described above 400.So that the fireguard 430 and institute
State the distance of igniter 240 and become adjustable and connect, suitable for the use of the flame of different injection situations, and then ensure that flame can be more
Good branches at the circumference of cylinder body 100.
Heat reclaiming system is additionally provided with outside the direct-fired combustion gas drying cylinder, the heat reclaiming system includes：Thermal energy returns
Receive cover 510 and heat recovery pipe 520；The thermal energy reclaiming cover 510 is closed housing；The heat recovery pipe 520 is
Sealing pipeline, its both ends are respectively equipped with intake interface 530 and puff prot 540, its side wall is equipped with recovery port 550；The thermal energy returns
Receive the outside that cover 510 is arranged on the direct-fired combustion gas drying cylinder；The heat recovery pipe 520 is arranged on the thermal energy reclaiming cover 510
In space between inner side and 100 outer wall of cylinder body of direct-fired combustion gas drying cylinder；The intake interface 530 and the exhaust outlet 310
Connection, the puff prot 540 are arranged on the bottom of the cylinder body 100；The recovery port 550 is equipped with air extractor, the pumping dress
Put to the 520 internal suction gas of heat recovery pipe.
The heat reclaiming system has two high-temperature gas recycling paths, first recycling path：The thermal energy recovery tube
The intake interface 530 in road 520 is connected with the exhaust outlet 310 of direct-fired combustion gas drying cylinder；Natural gas burning in cylinder body 100 produces fire
Flame and high-temperature gas, high-temperature gas can be discharged from exhaust outlet 310, these high-temperature gases pass through the heat recovery pipe 520 again
The puff prot 540 is delivered to, the spout sprays the fiberboard on 100 surface of high-temperature gas alignment cylinder body, and then to fiber
Plate plays the effect of drying；Article 2 recycles path：The inner side of thermal energy reclaiming cover 510 and the sky of the outside of the cylinder body 100
Between in also have many high-temperature gases, the high-temperature gas in the space is pumped to institute by the air extractor that the recovery port 550 is equipped with
State in heat recovery pipe 520, and finally sprayed from the jet port to the fiberboard on 100 surface of cylinder body.
The heat reclaiming system causes direct-fired combustion gas drying cylinder to have the circulation path of a plurality of high-temperature gas recycling
Footpath.So that the utilization efficiency of heat energy for applying its direct-fired combustion gas drying cylinder greatly improves, it is big to the drying efficiency of product
It is big to improve.
The puff prot 540 has multiple, and multiple puff prots 540 are arranged in a straight line, and arranged on direct-fired combustion gas drying cylinder
Immediately below cylinder body 100, and the outer wall of cylinder body 100 described in face；The recovery port 550 be equipped with it is multiple, be respectively arranged on the thermal energy
The diverse location of recovery channel 520.The recovery port 550 of diverse location, can will change the High Temperature Gas of multiple positions in space
Body is pumped into the heat recovery pipe 520, and multiple puff prots 540 are according to this set, high temperature air jet to cylinder body 100
It is more uniform during surface, and when high-temperature gas rises along 100 surface of cylinder body can also play drying functions, further such that using
The drying effect for having the direct-fired combustion gas drying cylinder of the heat reclaiming system further improves.
Above in association with the specific embodiment technical principle that the invention has been described.These descriptions are intended merely to explain the present invention's
Principle, and limiting the scope of the invention cannot be construed in any way.Based on explanation herein, the technology of this area
Personnel would not require any inventive effort the other embodiments that can associate the present invention, these modes are fallen within
Within protection scope of the present invention.
Claims (9)
1. a kind of direct-fired combustion gas drying cylinder, it is characterised in that including tubular cylinder and the end cap for being respectively arranged on cylinder body both ends；
Two pieces of end caps are respectively exhaust end cover and igniting end cap, and the center of the exhaust end cover is equipped with operation side axis head, institute
State igniting end cap central and be equipped with driving side spindle nose；
The operation side axis head and the driving side spindle nose are stretched out to the outside of the end face at the both ends of the cylinder body respectively；It is and described
Operation side axis head is overlapped with the central axis of the driving side spindle nose with the central axis of the cylinder body；
The exhaust end cover is equipped with exhausting-gas hole；The driving side spindle nose is internally provided with tube chamber；The driving side spindle nose is equipped with igniting
System, the ignition system include feeder and igniter；The feeder includes combustion-supporting feed channel and gas pipeline；
The feeder is plugged in the end of the tube chamber, and the combustion-supporting feed channel is connected with the tube chamber, and the gas pipeline is stretched
Enter the cylinder interior, the igniter is located at cylinder interior and is connected with the end of the gas pipeline；
The cylinder interior is additionally provided with flame flow guide system；The flame flow guide system includes supporting rack, the first kuppe, second
Kuppe and fireguard；
Support frame as described above is fixed with the cylinder body；First kuppe and second kuppe are tubulose, and described
The radial dimension of two kuppes is bigger than the radial dimension of first kuppe；Central axis of the both of which parallel to the cylinder body
In the cylinder body；
First kuppe is arranged on support frame as described above, and its one end is close to the exhaust end cover, and the other end is close to the igniting dress
Put and cover on the igniter in the tube chamber that it is equipped with；The igniting end cap is fixed in described second kuppe one end；Separately
One end covers one end of the igniter and first kuppe covered on the outside of the igniter；The gear fire
Plate is perpendicular to the support frame as described above that is arranged on of the central axis of the cylinder body, flame spray of the fireguard close to the igniter
Mouthful, and leave bright eruption gap.
2. a kind of direct-fired combustion gas drying cylinder according to claim 1, it is characterised in that the exhaust end cover is equipped with end socket
Plate, the head plate are arranged on the outside of the exhaust end cover；Rotation hole is equipped with the middle part of the head plate, edge is equipped with exhaust outlet；
The head plate is arranged on the end face of the cylinder body, and the operation side axis head is pierced by from the rotation hole, and the head plate is plugged in
The end face at the end of the cylinder body, and the cylinder body is rotated around central shaft relative to the head plate.
3. a kind of direct-fired combustion gas drying cylinder according to claim 1, it is characterised in that the feeder includes mounting base
And Gas Pipe, the mounting base inside is tubular cavity, it is equipped with openend and sealed end, and the side wall of the mounting base, which is equipped with, to be helped
Gas port, the combustion-supporting gas port connect to form the gas pipeline with the tubulose cavity volume inside the mounting base；The Gas Pipe
The sealed end of the mounting base is fixed in one end, and is stretched out to the outside of the mounting base, its other end passes through the mounting base
Sealed end and the tube chamber stretch into the cylinder body, the Gas Pipe is internally provided with the gas pipeline.
4. a kind of direct-fired combustion gas drying cylinder according to claim 3, it is characterised in that the openend of the mounting base passes through
Swivel is connected with the end of the driving side spindle nose.
A kind of 5. direct-fired combustion gas drying cylinder according to claim 3, it is characterised in that the Gas Pipe is linear conduit,
Its center axis is overlapped with the central axis of the driving side spindle nose.
6. a kind of direct-fired combustion gas drying cylinder according to claim 1, it is characterised in that first kuppe and described
Two kuppes are circular tube shaped, and both central axis are overlapped with the center line axis of the cylinder body.
7. a kind of direct-fired combustion gas drying cylinder according to claim 1, it is characterised in that the fireguard passes through adjusting bolt
Fixed with support frame as described above.
8. a kind of direct-fired combustion gas drying cylinder according to claim 1, it is characterised in that outside the direct-fired combustion gas drying cylinder
Heat reclaiming system is additionally provided with, the heat reclaiming system includes：Thermal energy reclaiming cover and heat recovery pipe；
The thermal energy reclaiming cover is closed housing；The heat recovery pipe is sealing pipeline, its both ends is respectively equipped with air inlet
Interface and puff prot, its side wall are equipped with recovery port；The thermal energy reclaiming cover is arranged on the outside of the direct-fired combustion gas drying cylinder；It is described
Heat recovery pipe is arranged in the space on the inside of the thermal energy reclaiming cover between the outer wall of cylinder block of direct-fired combustion gas drying cylinder；It is described
Intake interface is connected with the exhaust outlet that the cylinder body is equipped with, and the puff prot is arranged on the bottom of the cylinder body；The recovery port is set
There is an air extractor, the air extractor is to the heat recovery pipe internal suction gas.
A kind of 9. direct-fired combustion gas drying cylinder according to claim 8, it is characterised in that the puff prot have it is multiple, it is multiple
The puff prot is arranged in a straight line, and immediately below the cylinder body of direct-fired combustion gas drying cylinder, and the outer wall of cylinder body described in face；It is described
Recovery port be equipped with it is multiple, be respectively arranged on the diverse location of the heat recovery pipe.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201511002412.XA CN105444556B (en) | 2015-12-25 | 2015-12-25 | A kind of direct-fired combustion gas drying cylinder |
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| CN201511002412.XA CN105444556B (en) | 2015-12-25 | 2015-12-25 | A kind of direct-fired combustion gas drying cylinder |
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| CN105444556B true CN105444556B (en) | 2018-04-13 |
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| CN105466202B (en) * | 2015-12-25 | 2018-01-02 | 广东华凯科技股份有限公司 | A kind of heat reclaiming system and apply its direct-fired combustion gas drying cylinder |
| CN114199007A (en) * | 2021-12-14 | 2022-03-18 | 多富瑞(山东)新材料有限公司 | Direct-fired energy-saving high-quantitative paperboard drying line |
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