CN108486946A - Monoblock type hot vapour drying cylinder and its system applied to UTILIZATION OF VESIDUAL HEAT IN - Google Patents
Monoblock type hot vapour drying cylinder and its system applied to UTILIZATION OF VESIDUAL HEAT IN Download PDFInfo
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- CN108486946A CN108486946A CN201810457546.8A CN201810457546A CN108486946A CN 108486946 A CN108486946 A CN 108486946A CN 201810457546 A CN201810457546 A CN 201810457546A CN 108486946 A CN108486946 A CN 108486946A
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- cylinder
- hot vapour
- monoblock type
- cylinder body
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F5/00—Dryer section of machines for making continuous webs of paper
- D21F5/02—Drying on cylinders
- D21F5/022—Heating the cylinders
- D21F5/028—Heating the cylinders using steam
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B15/00—Removing liquids, gases or vapours from textile materials in association with treatment of the materials by liquids, gases or vapours
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F5/00—Dryer section of machines for making continuous webs of paper
- D21F5/02—Drying on cylinders
- D21F5/021—Construction of the cylinders
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F5/00—Dryer section of machines for making continuous webs of paper
- D21F5/20—Waste heat recovery
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The present invention discloses a kind of monoblock type hot vapour drying cylinder and its is applied to afterheat utilizing system, belongs to the technical field of drying of papermaking, weaving, printing and dyeing and non-woven cloth.Monoblock type hot vapour drying cylinder specifically includes cylinder body, three casings and deflector；Three casings are made of outer tube, middle sleeve and core pipe；Three casing one end is stretched into cylinder body, the other end is outside cylinder body；Core pipe one end extends downward into cylinder base in the middle part of cylinder body；Outer tube, middle sleeve and core pipe outside cylinder body are respectively equipped with outer tube external interface, middle sleeve external interface and condensate liquid outlet.It is two kinds of different situations of main working face that drying cylinder, which is segmented into and is wanted working face and lower half based on the first half, for this purpose, hot vapour import is disposed with corresponding different scheme from the outlet of steam discharge.Monoblock type hot vapour drying cylinder is vessels not under pressure, has many advantages, such as that delicate structure is at low cost, heat utilization rate is high.With high temperature, high humidity, high latent heat minute-pressure waste heat are heat source, make high temperature, high humidity, high latent heat minute-pressure hot vapour Waste Heat Reuse be possibly realized, energy-saving effect is clearly.
Description
Technical field
The present invention relates to a kind of monoblock type hot vapour drying cylinders, and the invention further relates to a kind of monoblock type hot vapour drying cylinders to be applied to waste heat
The system utilized belongs to the technical field of drying of papermaking, weaving, printing and dyeing and non-woven cloth.
Background technology
Drying cylinder be papermaking, weaving, printing and dyeing and non-woven cloth drying operation in critical component as product drying, be used for
Dry the moisture in product, ornamenting paper.Currently, using steam dryer substantially in the market, steam dryer is pressure vessel, is pressurized
The control of force container.The rotary joint of steam dryer need to only consider the outlet of the import and condensed water of steam.Steam is sent into drying cylinder
After interior, uniformly mix with original steam in cylinder, work together, no special construction.Condensed water is concentrated mainly on drying cylinder bottom, uses
Siphon pipe is discharged by rotary joint to outside drying cylinder plus the pressure of steam inside.Even if condensed water forms water in high rotating speed
Ring also has ripe technology to exclude condensed water.Steam dryer only has drain function, without steam discharge（Gas）Function leads to its steam
The heat utilization rate of drying cylinder is not high, limits to high temperature, the utilization of high humidity, high latent heat minute-pressure waste heat vapour, the wall thickness of steam dryer
Greatly, weight is big, causes heat transfer slow, and cost is high.
Invention content
The technical problem to be solved by the present invention is in view of the deficiencies of the prior art, propose a kind of monoblock type hot vapour drying cylinder, drop
While inexpensive, there is the characteristics of efficient, to make full use of high temperature, high humidity, high latent heat minute-pressure waste heat vapour.
In order to solve the above technical problems, the present invention provides a kind of monoblock type hot vapour drying cylinder, it is round-shaped heating body structure,
It is characterized in that, including cylindric cylinder body, three casings and deflector, the cylinder block both ends are respectively fixedly connected with cylinder end caps；
One end of three casing is extend into from cylinder body side in cylinder body, and the other end is placed in outside cylinder body；Three casings by outer tube, in
Casing and core pipe composition；One end of the core pipe extends downward into cylinder base in the middle part of cylinder body；It is outer in cylinder body outer portion
Casing, middle sleeve and core pipe are respectively equipped with outer tube external interface, middle sleeve external interface and condensate liquid outlet；
Tubular transfer shaft is set to the outer tube periphery outside cylinder body, and one end is fixedly connected with close cylinder end caps, other end peace
Transmission gear is filled, bearing is installed between end cap and transmission gear；The tubular transfer shaft passes through outside rotary joint and cylinder body
Outer tube 2 is slidably and sealingly connected with；Bearing with end cover is installed respectively on the inside of two cylinder end caps；The cylinder body of described separate air intake one end
It on the outside of end cap, is constructed according to universal machine, spindle nose and bearing is installed, end cap occurs to turn with cylinder body under tubular transfer shaft drive
It is dynamic；
The deflector is four, is in plate shaped, and one end of wherein two panels is fixed on the top of part of the outer tube in cylinder body,
The other end extends to the length apart from the 1%-5% that inner surface of cylinder block is entire diameter of cylinder, between two panels outer tube deflector
Outer tube air port is set on outer bushing surface；The lower section of part of the middle sleeve in cylinder body is equipped with other two panels middle sleeve
Middle sleeve surface between deflector, middle sleeve deflector is equipped with middle sleeve steaming hole.Two panels deflector is close to cylinder body one end
Distance be apart from 2-5 times of inner surface of cylinder block distance；Outer tube in cylinder body passes through deflector and sleeve surface with middle sleeve
On steaming hole communicated with cylinder body.
Outer tube steaming hole is row's aperture or slit.
Middle sleeve steaming hole is row's aperture or slit.
The aisle spare ratio of the aperture in the steaming hole or the gross area of slit and outer tube is 20-100%.
The aisle spare ratio of the aperture in the steaming hole or the gross area of slit and middle sleeve is 20-100%.
The core pipe extend to a distance from inner surface of cylinder block bottom be less than middle sleeve deflector 5 apart from inner surface of cylinder block away from
From.
The inside of the cylinder body is equipped with groove or cooling fin.
The outside of the cylinder end caps is equipped with insulating layer.
The arc deflector of setting two sheets, half arc in the cylinder body, arc deflector is concentric with cylinder body, wherein arc
Shape deflector one end is connected with outer tube sleeve deflector, and the other end is connected with middle pipe sleeve deflector.
Two ends of the arc deflector are closed with inner sealed board, and inner sealed board is closed with deflector connect simultaneously.
For when the drying cylinder or Yankee drying cylinder arranged as upper layer in use, hot vapour is from air intake（Outer tube external interface）
External hot vapour is accessed, and introduces the outer tube in cylinder body, is entered in cylinder interior by the steaming hole on outer tube, in housing
Under the guiding of pipe deflector, it is moved upward arrival inboard wall of cylinder block.Hot vapour under the water conservancy diversion of the body concentric arc deflector of cylinder,
Full width and full heated perimeter in cylinder body are uniformly distributed, so that even heat is conducted to the inner wall of hot vapour drying cylinder, and by
Cylinder body is transmitted to the product to be dried on the outside of cylinder body.After completing heat transfer, become condensed water after most of steam condensation, and gather
Collection is in cylinder base, or forms water ring and be adsorbed on the inside of cylinder body, at this time under the power effect of positive displacement pump of the condensed water outside cylinder body,
Into core pipe, it is discharged from condensate liquid outlet；Hot vapour after temperature declines includes to cool down and uncooled water vapour and cooling
Air, these mixing steams are moved up as " steam discharge " under the guiding of middle sleeve deflector, via on middle sleeve
Steaming hole enters middle sleeve, finally from steam drain（Middle sleeve external interface）It is discharged outside cylinder.
When the drying cylinder arranged as lower layer in use, hot vapour is from air intake（The external interface of middle sleeve）Access external heat
Vapour, and the middle sleeve in cylinder body is introduced, cylinder interior is entered by the steaming hole on middle sleeve, in drawing for middle sleeve deflector
It leads down, moves to reach inboard wall of cylinder block downwards.Hot vapour under the water conservancy diversion of the body concentric arc deflector of cylinder, it is complete in cylinder body
Width and full heated perimeter are uniformly distributed, and to which even heat to be conducted to the inner wall of hot vapour drying cylinder, and are transmitted to cylinder by cylinder body
The product to be dried of external side.After completing heat transfer, become condensed water after most of steam condensation, and be gathered in cylinder body bottom
Portion, or form water ring and be adsorbed on the inside of cylinder body, at this time under the power effect of positive displacement pump of the condensed water outside cylinder body, into core pipe,
It is discharged from condensate liquid outlet；Hot vapour after temperature declines includes to cool down and uncooled water vapour and the air of cooling, these
Mixing steam is moved down as " steam discharge " under the guiding of outer tube deflector, is entered via the steaming hole on outer tube
Outer tube, finally from steam drain（Outer tube external interface）It is discharged outside cylinder.
It is determined into the access direction of, steam discharge access port according to site layout project.
A kind of monoblock type hot vapour drying cylinder is applied to the combined system of hot wind impingement drying UTILIZATION OF VESIDUAL HEAT IN, including monoblock type hot vapour
Drying cylinder, hot wind thru dryers and heat exchanger, the hot vapour that hot wind thru dryers generate（Including hot steam and air）Waste heat
It is transported in hot vapour drying cylinder and recycles.
A kind of monoblock type hot vapour drying cylinder is warm applied to drying cylinder self-loopa drying system, including monoblock type hot vapour drying cylinder, first
Exchanger, second heat exchanger, the first wind turbine, the second wind turbine and heating gas hood；External heat source is heated by first heat exchanger
The hot vapour extracted by the first wind turbine（Most it is initially air）, obtain heating hot vapour be sent into monoblock type hot vapour drying cylinder in, overall thermal
Vapour cylinder dried material；The hot vapour come out from monoblock type hot vapour drying cylinder exhaust outlet is then admitted in second heat exchanger, for adding
The air that the second wind turbine of hot cup is sent into, formation heated dry air are admitted in heating gas hood and carry out reinforcement drying to material, thus produce
The vapor that raw vapor and monoblock type hot vapour cylinder dried material generate, which is collected together with hot-air by heating gas hood, to pass through
It crosses the first wind turbine and is recycled into first heat exchanger again, so recycle.
Advantageous effect：Monoblock type hot vapour drying cylinder is vessels not under pressure（Common steam drying cylinder is pressure vessel）, there is structure
The advantages that exquisiteness, manufacturing cost is low, heat utilization rate is high；With high temperature, high humidity, high latent heat minute-pressure waste heat are heat source, make high temperature, high
The Waste Heat Reuse of wet, high latent heat minute-pressure hot vapour is possibly realized, and energy-saving effect is clearly.
Description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is axial schematic diagram of the invention；
Fig. 3 is the portions A of the present invention enlarged diagram；
Fig. 4 is the schematic diagram of Simple integral hot vapour drying cylinder of the present invention；
Fig. 1, in 2,3,4：1- cylinder bodies, tri- casings of 2-, 21- outer tubes, 211- outer tube external interfaces, 22- middle sleeves, in 221-
Casing external interface, 23- core pipes, 231- condensate liquid outlets, 4- outer tube deflectors, 5- middle sleeve deflectors, 6- outer tubes
Steaming hole, 7- middle sleeve steamings hole, 8- tubular transfer shafts, 9- rotary joints, 10- cylinder end caps, 11- bearing with end cover, 12- operations
Side axle head, 13- bearings, 14- baffle rings, 15- transmission gears, 16- arc deflectors, 17- inner sealed boards；
Fig. 5 is the process structure signal that monoblock type hot vapour drying cylinder of the present invention is applied to hot wind impingement drying UTILIZATION OF VESIDUAL HEAT IN combined system
Figure；
In Fig. 5：1- monoblock type hot vapour drying cylinders, 2- hot wind thru dryers, 3- heat exchangers, 4- booster fans, 5- drying cylinder gas hoods,
6- gas hood exhaust wind turbines；
Fig. 6 is that monoblock type hot vapour drying cylinder of the present invention is applied to Yankee dryer self-loopa drying system schematic diagram；
Fig. 7 monoblock type hot vapour drying cylinders of the present invention are applied to more drying cylinder self-loopa drying system schematic diagrames；
Fig. 6, in 7：1- hot vapour drying cylinders, 2- first heat exchangers, 3- second heat exchangers, the first wind turbines of 4-, the second wind turbines of 5-；
Specific implementation mode
The specific implementation mode of the present invention is further described in detail below in conjunction with the accompanying drawings, the skill being not specified in embodiment
Art or product are the prior art or can be by buying the conventional products obtained.
Embodiment 1：As shown in Figs. 1-3, monoblock type hot vapour drying cylinder, including cylinder body 1, three casings 2 and deflector.Three casings 2
It is made of outer tube 21, middle sleeve 22 and core pipe 23.One end of three casings 2 extend into from 1 side of cylinder body in cylinder body 1, the other end
It is placed in outside cylinder body 1.One end of core pipe 23 extends downward into 1 bottom of cylinder body at 1 middle part of cylinder body.Be placed in outer tube 21 outside cylinder body 1,
Middle sleeve 22 and core pipe 23 are respectively equipped with outer tube external interface 211, middle sleeve external interface 221 and condensate liquid outlet 231.
Tubular transfer shaft 8 is set to 21 periphery of outer tube outside cylinder body 1, and one end is connected with close cylinder end caps 10, the other end is installed
Transmission gear 15, intermediate installation bearing 13.Tubular transfer shaft 8 is formed by the outer tube 21 outside rotary joint 9 and cylinder body 1 and is slided
It is tightly connected.Bearing with end cover 11 is installed in two 10 insides of cylinder end caps respectively, and formation outer tube 21 matches resultant motion with end cap 10,
I.e. end cap 10 is rotated relative to outer tube sleeve 21.Operation side axle is fixedly mounted in 10 outside of cylinder end caps far from 211 one end of air intake
First 12, bearing 13 is installed on fore side spindle nose 12, baffle ring 14 is equipped between fore side spindle nose 12 and bearing with end cover 11.It is placed in cylinder body
21 top of outer tube in 1 is connect equipped with 4 both ends of two panels tabular outer tube deflector with inner sealed board 17., two panels outer tube leads
Flowing plate 4 extends to outer between the position for 1% length that inner surface of cylinder block is entire diameter of cylinder, outer tube sleeve deflector 4
21 surface of casing is equipped with outer tube steaming hole 6.Distance of the two panels outer tube deflector 4 close to cylinder body one end is in cylinder body
2 times of surface distance.22 lower section of middle sleeve being placed in cylinder body is equipped with two panels tabular middle sleeve deflector 5, both ends and interior envelope
Plate 17 connects, and two panels middle sleeve deflector 5 is extended to apart from the position for 1% length that inner surface of cylinder block is entire diameter of cylinder,
22 surface of middle sleeve between middle sleeve deflector 5 is equipped with middle sleeve steaming hole 7.Two panels middle sleeve deflector 5 is close to cylinder body
The distance of one end is apart from 2 times of inner surface of cylinder block distance.Outer tube 21 in cylinder body 1 passes through deflector and set with middle sleeve 22
Steaming hole in pipe surface is communicated with cylinder body 1.
The steaming hole 6 and 7 be the equidistant aperture of a row, convenient for hot vapour is uniformly diffused into drying cylinder inner wall or uniformly
It takes in the steam discharge to have cooled down and enters gland steam exhauster, drying cylinder is discharged.
In a further embodiment, the steaming hole 6 and 7 can realize the arbitrary shape for uniformly spreading hot vapour
Opening, e.g. a wide slit.
The gross area of aperture or slit is 20-100% with corresponding pipeline aisle spare ratio.
Core pipe 23 extend to a distance from inner surface of cylinder block bottom be less than middle sleeve deflector 5 apart from inner surface of cylinder block away from
From convenient for condensate liquid to be discharged, while ensureing will not be since water logging obstruction middle sleeve deflector 5 leads vapour.
Especially as shown in figure 3,1 inside of cylinder body is equipped with groove, heat transfer efficiency is improved to increase heat transfer area.
In a further embodiment, the structure of 1 inside setting other shapes of cylinder body, to play the work for increasing heat transfer area
With, such as heat radiating fin structure.
10 outside of cylinder end caps is equipped with insulating layer, reduces unnecessary heat dissipation.
The arc deflector 16 of setting two sheets, half arc in cylinder body 1, arc deflector 16 and cylinder body 1 are concentric, wherein
Arc deflector one end is connected with outer tube sleeve deflector, and the other end is connected with middle pipe sleeve deflector.Due to arc deflector
It is connect with four deflectors, the clearance distance of arc deflector surface distance inner surface of cylinder block is also the 1% of entire diameter of cylinder
Length.
Two ends of arc deflector 16 are closed with inner sealed board 17, are on the one hand fixed arc deflector, while can prevent again
Hot vapour enters in cylinder from both sides and can not correct guidance.There are certain intervals between inner sealed board 17 and cylinder end caps 10, between specific
Gap is not influence the placement determination of bearing 11, and there is the entrance of part hot vapour in gap, and radiates outward through drying cylinder end cover.
It is determined into, steam discharge external interface 211 according to site layout project with 221 access direction.
The drying cylinder or Yankee drying cylinder that monoblock type hot vapour drying cylinder is arranged as upper layer are in use, outer tube external interface 211 is used
Make air intake, the external interface 221 of middle sleeve is used as steam drain.Hot vapour accesses external hot vapour from outer tube external interface 211, and
The outer tube in cylinder body is introduced, cylinder interior is entered by outer tube steaming hole 6, under the guiding of outer tube sleeve deflector 4, to
Top moves to reach inboard wall of cylinder block.Hot vapour under the water conservancy diversion of the body concentric arc deflector of cylinder 16, full width in cylinder body and
Full heated perimeter is uniformly distributed, so that even heat to be conducted to the inner wall of the cylinder body 1 of hot vapour drying cylinder, and is conducted by cylinder body 1
To the product to be dried in 1 outside of cylinder body.After completing heat transfer, become condensed water after most of steam condensation, and be gathered in cylinder
Body bottom, or form water ring and be adsorbed on the inside of cylinder body, at this time under the power effect of positive displacement pump of the condensed water outside cylinder body, enter
Core pipe 23 is discharged from condensate liquid outlet 231；Hot vapour after temperature declines includes to cool down and uncooled water vapour and cooling
Air, these mixing steams are moved up as " steam discharge " under the guiding of middle sleeve deflector 5, via middle sleeve steaming
Hole 7 enters middle sleeve, is finally discharged outside cylinder from middle sleeve external interface 221.
This patent has many advantages, such as that equipment is simple, and investment is small, the thermal efficiency is high.Make high temperature, high humidity, high latent heat minute-pressure hot vapour
Waste Heat Reuse is possibly realized.
Embodiment 2：As shown in Figs. 1-3, monoblock type hot vapour cylinder structure is the same as described in embodiment 1.Monoblock type hot vapour drying cylinder is made
For the drying cylinder arranged for lower layer in use, middle sleeve external interface 221 is used as air intake, the external interface 211 of outer tube is used as row
Steam ports.Hot vapour accesses external hot vapour from outer middle sleeve external interface 221, and introduces the outer tube in cylinder body, logical by middle sleeve
Steam vent 7 enters cylinder interior, under the guiding of middle pipe sleeve deflector 5, moves to reach inboard wall of cylinder block downwards.Hot vapour with cylinder
Under the water conservancy diversion of body concentric arc deflector 16, full width and full heated perimeter in cylinder body are uniformly distributed, thus by heat
Uniform conductive and is transmitted to by cylinder body 1 product to be dried in the outside of cylinder body 1 to the inner wall of the cylinder body 1 of hot vapour drying cylinder.Complete heat
After conduction, become condensed water after most of steam condensation, and be gathered in cylinder base, or form water ring and be adsorbed in cylinder body
Side, into core pipe 23, is discharged at this time under the power effect of positive displacement pump of the condensed water outside cylinder body from condensate liquid outlet 231；Temperature
Hot vapour after degree declines includes cooling and uncooled water vapour and the air of cooling, these mixing steams by as " steam discharge ",
It under the guiding of outer tube deflector 4, moves down, enters outer tube via outer tube steaming hole 6, it is finally external from outer tube
Interface 211 is discharged outside cylinder.
Embodiment 3：As shown in figure 1-3, monoblock type hot vapour cylinder structure is the same as described in embodiment 1.Specifically used in order to drop
Low-heat vapour can properly increase the gap of arc deflector surface distance inner surface of cylinder block along the flowing velocity of arc deflector
Distance arrives 5% length for entire diameter of cylinder.Correspondingly, it is entire that outer tube deflector 4, which is extended to apart from inner surface of cylinder block,
The position of 5% length of diameter of cylinder, middle sleeve deflector 5 are extended to apart from 5% that inner surface of cylinder block is entire diameter of cylinder
Length position；The distance of close cylinder body one end of two panels outer tube deflector 4 be apart from 5 times of inner surface of cylinder block distance,
The distance of close cylinder body one end of two panels middle sleeve deflector 5 is apart from 5 times of inner surface of cylinder block distance.
Embodiment 4：In the roll-type heating application small to temperature uniformity and size, easy monoblock type hot vapour can be used
Cylinder structure, such as Fig. 4, concrete structure is with respect to structure removal arc deflector 16 and side seal board 17 described in embodiment 1, with implementation
Structure is identical described in example 1.
Embodiment 5：As shown in figure 5, being combination of the monoblock type hot vapour hot vapour drying cylinder to hot wind impingement drying UTILIZATION OF VESIDUAL HEAT IN
System, including monoblock type hot vapour drying cylinder 1, hot wind thru dryers 2 and heat exchanger 3, the hot vapour that hot wind thru dryers 2 generate
（Including hot steam and air）Waste heat is transported in hot vapour drying cylinder 1 again sharp；Detailed process is that external heat source passes through heat exchanger 3
Air is heated, hot-air is formed and is sent into hot wind thru dryers 2, hot wind impingement drying is carried out to wet web, hot wind penetrates dry
The hot vapour of dry generation（Including hot steam and air）, by booster fan 4, it is sent into monoblock type hot vapour drying cylinder 1, is worn by hot wind
Dry wet web also passes through monoblock type hot vapour drying cylinder 1 and is further heat-treated thoroughly, and the low-grade hot vapour generated at this time is then dried
Cylinder gas hood 5 is collected, and is discharged eventually by gas hood exhaust wind turbine 6.Increase wind turbine 4 and specifically selects high-temperature centrifugal fan, gas hood exhaust
Wind turbine specifically has heatproof axial flow blower
In another embodiment, according to paper process of thermal treatment needs, paper web can also first pass through hot vapour drying cylinder 1 and carry out hot place
Then reason carries out hot wind in process hot wind thru dryers 2 and penetrates processing.
Embodiment 6：As shown in fig. 6, Yankee dryer self-loopa drying system includes monoblock type hot vapour drying cylinder 1, the first heat exchange
Device 2, second heat exchanger 3, the first wind turbine 4, the second wind turbine 5 and heating gas hood 6；External heat source is added by first heat exchanger 2
The hot vapour that heat is extracted by the first wind turbine 4（Most it is initially air）, the hot vapour for obtaining heating is sent into monoblock type hot vapour drying cylinder 1, whole
1 dried material of body heat vapour drying cylinder；The hot vapour come out from 1 exhaust outlet of monoblock type hot vapour drying cylinder is then admitted in second heat exchanger 3,
For the air that the second wind turbine of Heating Cup 5 is sent into, formation hot-air is admitted in heating gas hood 6 carries out reinforcement drying to material,
The vapor that resulting vapor and 1 dried material of monoblock type hot vapour drying cylinder generate is together with hot-air by heating gas hood
6 collect by the first wind turbine 4 and are recycled into first heat exchanger 2, so recycle, and l Water Paper page is main during continuous drying
It consumes energy and is used only in the hot vapour heating up process of hot-air vapor cover discharge, and the hot specific volume of hot vapour is very little, dry air
Hot specific volume only 1.013 KJ/Kg0C, hot specific volume only 2.0934 KJ/Kg of water vapour0C.And 100oThe evaporation energy consumption of C water needs
2256.6 KJ/Kg, 20oThe water of C is warming up to 100oC energy consumptions need 334.944 KJ/Kg, it is seen that energy-saving effect is clearly.It is dry
System is other than supplementing a small amount of hot vapour heating thermal energy, it is only necessary to supplement system-wide efficiency losses.First wind turbine 4 and the second wind turbine
5 select high temperature resistant frequency conversion centrifugal blower.At runtime, the air quantity for needing control the first wind turbine 4 and the second wind turbine 5, to keep adding
Wind pressure inside and outside hot vapour cover 6 is 0, and extraneous cold air is neither allowed to enter heating vapour cover, and the hot vapour in heating vapour cover is not also allowed to dissipate
It loses outside system.
In another specific embodiment, the Yankee dryer circulatory system in more than two embodiments 6 is applied in combination, and is formed more
Drying cylinder self-loopa drying system is illustrated in figure 7 12 monoblock type hot vapour drying cylinders and combines more drying cylinder self-loopa drying systems, wherein
Two drying cylinder parallel connections form a set of self-circulation system.
The technology contents of the present invention are described above in conjunction with attached drawing, but protection scope of the present invention be not limited to it is described
Content, one skilled in the relevant art within the scope of knowledge, can also be in the premises for not departing from present inventive concept
Under the technology contents of the present invention are made a variety of changes, all within the spirits and principles of the present invention, any modification for being made, etc.
With replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (14)
1. a kind of monoblock type hot vapour drying cylinder is round-shaped heating body structure, which is characterized in that including cylindric cylinder body, three casings
And deflector, the cylinder block both ends are respectively fixedly connected with cylinder end caps；
One end of three casing is extend into from cylinder body side in cylinder body, and the other end is placed in outside cylinder body；Three casings by outer tube, in
Casing and core pipe composition；One end of the core pipe extends downward into cylinder base in the middle part of cylinder body；It is outer in cylinder body outer portion
Casing, middle sleeve and core pipe are respectively equipped with outer tube external interface, middle sleeve external interface and condensate liquid outlet；
Tubular transfer shaft is set to the outer tube periphery outside cylinder body, and one end is fixedly connected with close cylinder end caps, other end peace
Transmission gear is filled, bearing is installed between end cap and transmission gear；The tubular transfer shaft passes through outside rotary joint and cylinder body
Outer tube is slidably and sealingly connected with；Bearing with end cover is installed respectively on the inside of two cylinder end caps；The cylinder body of described separate air intake one end
It on the outside of end cap, is constructed according to universal machine, spindle nose and bearing is installed, end cap occurs to turn with cylinder body under tubular transfer shaft drive
It is dynamic；
The deflector is four, is in tabular, and one end of wherein two panels is fixed on the top of part of the outer tube in cylinder body,
The other end extends between the position for the 1%-5% that inner surface of cylinder block is entire diameter of cylinder, two panels outer tube deflector
Outer tube steaming hole is set on outer bushing surface；The lower section of part of the middle sleeve in cylinder body is equipped with other two panels middle sleeve
Middle sleeve surface between deflector, middle sleeve deflector is equipped with middle sleeve steaming hole, and two panels deflector is close to cylinder body one
The distance at end is apart from 2-5 times of inner surface of cylinder block distance.
2. monoblock type hot vapour drying cylinder according to claim 1, outer tube steaming hole is row's aperture or slit.
3. monoblock type hot vapour drying cylinder according to claim 1, middle sleeve steaming hole is row's aperture or slit.
4. monoblock type hot vapour drying cylinder according to claim 2, the aperture in the steaming hole or the gross area and housing of slit
The aisle spare ratio of pipe is 20-100%.
5. monoblock type hot vapour drying cylinder according to claim 3, the aperture in the steaming hole or the gross area of slit and middle set
The aisle spare ratio of pipe is 20-100%.
6. monoblock type hot vapour drying cylinder according to claim 1, the core pipe extend to small with a distance from inner surface of cylinder block bottom
In distance of the middle sleeve deflector 5 apart from inner surface of cylinder block.
7. the inside of monoblock type hot vapour drying cylinder according to claim 1, the cylinder body is equipped with groove or cooling fin.
8. the outside of monoblock type hot vapour drying cylinder according to claim 1, the cylinder end caps is equipped with insulating layer.
9. monoblock type hot vapour drying cylinder according to claim 1, the arc water conservancy diversion of interior setting two sheets, half arc of the cylinder body
Plate, arc deflector is concentric with cylinder body, and wherein arc deflector one end is connected with outer tube sleeve deflector, the other end and middle pipe
Set deflector is connected.
10. two ends of monoblock type hot vapour drying cylinder according to claim 9, the arc deflector are closed with inner sealed board, interior
Sealing plate is closed with deflector connect simultaneously.
11. monoblock type hot vapour drying cylinder according to claim 1, the outer tube external interface is air intake, middle sleeve pair
External tapping is steam drain.
12. monoblock type hot vapour drying cylinder according to claim 1, the middle sleeve external interface is air intake, outer tube pair
External tapping is steam drain.
13. a kind of monoblock type hot vapour drying cylinder is applied to the combined system of hot wind impingement drying UTILIZATION OF VESIDUAL HEAT IN, which is characterized in that packet
Include monoblock type hot vapour drying cylinder, hot wind thru dryers and heat exchanger, the hot vapour that hot wind thru dryers generate（Including hot steam
And air）Waste heat is transported in hot vapour drying cylinder and recycles.
14. a kind of monoblock type hot vapour drying cylinder is applied to drying cylinder self-loopa drying system, which is characterized in that dried including monoblock type hot vapour
Cylinder, first heat exchanger, second heat exchanger, the first wind turbine, the second wind turbine and heating gas hood；External heat source is handed over by the first heat
Parallel operation heats the hot vapour extracted by the first wind turbine, and the hot vapour for obtaining heating is sent into monoblock type hot vapour drying cylinder, whole hot vapour drying cylinder
Dried material；The hot vapour come out from monoblock type hot vapour drying cylinder steam drain is then admitted in second heat exchanger, for heating second
The air that wind turbine is sent into, formation heated dry air are admitted in heating gas hood and carry out reinforcement drying to material, and resulting water steams
The vapor that gas and monoblock type hot vapour cylinder dried material generate, which is collected together with hot-air by heating gas hood, passes through the first wind
Machine is recycled into first heat exchanger again, so recycles.
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| CN201810457546.8A CN108486946B (en) | 2018-05-14 | 2018-05-14 | Integral hot steam dryer and system applied to waste heat utilization thereof |
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