CN108603337A - The operation of base drying cylinder is raised without steam - Google Patents
The operation of base drying cylinder is raised without steam Download PDFInfo
- Publication number
- CN108603337A CN108603337A CN201780006841.5A CN201780006841A CN108603337A CN 108603337 A CN108603337 A CN 108603337A CN 201780006841 A CN201780006841 A CN 201780006841A CN 108603337 A CN108603337 A CN 108603337A
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- China
- Prior art keywords
- hollow shaft
- drying cylinder
- cavity
- fixed hollow
- cylinder
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Classifications
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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
- D21F5/021—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
- D21F5/02—Drying on cylinders
- D21F5/022—Heating 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
- D21F5/18—Drying webs by hot air
- D21F5/181—Drying webs by hot air on Yankee cylinder
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- Paper (AREA)
- Drying Of Solid Materials (AREA)
Abstract
One kind raising base drying cylinder (1), including fixed hollow shaft (20), the hollow shaft (20) is equipped with entrance mouth (23), stream of hot air (100) enters cavity (21) by the entrance mouth, and outlet mouth (24), stream of hot air (100) leave drying cylinder (1) by the outlet mouth.In addition, raising base drying cylinder (1) also there are cylindrical housings (10), the cylindrical housings to have inner surface (11) and be installed rotatable around fixed hollow shaft (20).Partition wall (25) is equipped in cavity (21), which is divided into feeding part (21a) and discharge part (21b) by fixed hollow shaft (20).
Description
Technical field
The present invention relates to the fields of the machine for producing paper and similar products, more particularly to a kind of improved drying cylinder
Structure, also referred to as raise base drying cylinder (Yankee dryer cylinder), or referred to as raise base cylinder.
Background technology
It is well known that being provided for the mixed of the distributed fibers cellulose fiber on forming net and water for the equipment that produces paper
Close object and the in some cases purposes of the head box of different types of additive.In this way, discharge determines the water of amount, then,
Increase the dry content for being arranged in the mixture layer on forming net.
Then, by the series of passages between many fabrics and/or felt of mixture layer, the content of water is reduced, until
Reach the consistency allowed across drying section.This generally includes at least one drying cylinder, also referred to as " raises base drying cylinder ", or referred to as
" Yankee cylinder " and the drying hood for being supplied to hot-air.Particularly, processed l Water Paper volume is laid in the outer surface of Yankee cylinder
On, and the inside for raising base cylinder is for example heated by introducing steam.
Due to raising the steam of base cylinder interior generation and by the hot-air of the cover blowout on paper, laying on the outer surface
L Water Paper volume is gradually dry.When reaching required dried level, according to required product, especially crimped paper or smooth paper, borrow
Help blade or scraper or by tensioning, paper roll is removed from the outer surface of Yankee cylinder.
Yankee cylinder substantially includes two heads or end wall, and cylindrical housings position in-between.In general, bearing journal is solid
Surely each head is arrived, bearing journal is mounted on respective bearing in operating conditions.Hollow shaft is mounted in shell.Head
And/or shell is equipped with and checks aperture, at least one worker entered by the inspection aperture in cylinder, for carry out periodically, it is flat
Normal or special service intervention.
The constituent element of base cylinder, i.e. head, shell, bearing journal etc. are raised, can be obtained by ironcasting, and can be borrowed
Help bolt to fix.
Alternatively, raising base cylinder can be formed from steel.In this case, two heads can be fixed to cylinder by means of bolt
On shape shell, or more often it is fixed in cylindrical housings by means of weld seam.
In raising base cylinder and the cylinder being formed from steel what is be made of cast iron, cylindrical housings have the interior table equipped with circumferential slot
Face.These are suitable for collecting the condensate formed, which is used to shift evaporation outward from the steam having been incorporated into Yankee cylinder
Latent heat.
However, use steam as heat energy raise base cylinder have the shortcomings that it is many.
First, a large amount of steam needed for the machine of these types are related to high operating cost.Further, it is necessary to use special-purpose device
Tool steam and delivers a vapor to Yankee cylinder to generate.
In addition to the foregoing, in order to meet the safety standard to be provided using the instrument of steam, especially for
Caused by the high temperature by the steam in introducing drying cylinder can be resisted, the high stress that the different piece of drying cylinder is subject to, it is mainly hot
Elastic stress, it is necessary to using complicated structural solutions.
On the contrary, other solutions of the prior art provide and air stream is supplied in the cylinder, then pass through one
Or multiple burner combustion air, to obtain necessary thermal energy.The example for raising base cylinder using air is described in EP0708301A1
Son.
Particularly, the shell that the solution described in the document provides center tube and is pivoted.Burn air
Some burners are introduced and supplied by pipeline, these burners are with determining location arrangements in cylinder.Therefore, burner generates
The heat of shell can be hit.Exhaust gas leaves center tube from the opposite side of air intake.
However, it is not particularly advantageous that the solution described in EP0708301A1, which is shown,.In fact, burning must be given
The shell of device, the no small space of discharge tube distribution of air feed conduit and burning gases.This considerably reduce can be used for heat
The surface of exchange, to reduce the efficiency of machine.
In addition, the solution described in EP0708301A1, especially because there are burners and pipeline, it appears that cannot
It is evenly distributed in the heat generated on shell surface.This thing can have a negative impact to the quality of final products.
Solution described in EP0708301 another disadvantage is that, the internal capacity of cylinder may be filled by fuel gas
Full, therefore, the flame generated by inner burner can set off an explosion, so, other than the effect of damaging factory, it can also make worker
By risk.
Another solution is described in US3633662.However, this construction solution is also very complicated, and not
It can guarantee the uniform heat distribution of shell inner surface.
Invention content
Therefore, the purpose of the present invention is to provide one kind raising base drying cylinder, and can solve the prior art raises the upper surface of base cylinder
The shortcomings that exposure, and uniform heat distribution can be especially provided on an interior surface of the housing, therefore produce high quality most
Finished product.
Equally, the object of the present invention is to provide one kind raising base drying cylinder, can significantly reduce the operation for installing its factory
Cost.
It is a further object to provide one kind raising base drying cylinder, with simpler structure and compares the prior art
To raise base cylinder less expensive.
According to the present invention, this and other purposes are realized by raising base drying cylinder, including：
Fixed hollow shaft with cavity and side surface, the side surface are equipped with multiple holes, and the multiple hole is arranged to
The cavity is set to be connected to external environment, the fixed hollow shaft is equipped with：
Entrance mouth, the thermal current with predetermined temperature, particularly the temperature higher than 100 DEG C are arranged to through the entrance mouth
It is sent into the cavity；
Outlet mouth, the thermal current are arranged to flow to outside the drying cylinder by the outlet mouth；
Cylindrical housings are equipped with inner surface and are rotatably installed in the cylinder around the fixed hollow shaft
Between the inner surface of shape shell and the side surface of the hollow shaft, interior room is limited；
It is mainly characterized by also providing：
The partition wall being mounted in the cavity, in this way, the fixed hollow shaft is divided into feeding part and discharge unit
Point, the feeding part is equipped at least one inlet ports, and the inlet ports is arranged to supply the thermal current from the cavity
The interior room, in this way, hitting the inner surface, the discharge part is equipped at least one tap, and the tap is pneumatically
It is connected to the outlet mouth, the thermal current is arranged to pass through after the inner surface for hitting the shell described or each
Tap is from the interior room to the cavity, in this way, leaving the Yankee drying cylinder by the outlet mouth.
Particularly, hot gas can be the mixture of gas.
Advantageously, admixture of gas especially can be air.
Advantageously, the temperature of thermal current may be set between 100 DEG C and 750 DEG C, be advantageously set at 250 DEG C and 700
Between DEG C, it is preferable to set between 300 DEG C and 600 DEG C.
Alternatively, thermal current can be with the combustion flue gas stream higher than 100 DEG C of temperature.
Particularly, provide the feedway for supplying stream of hot air, the feedway be arranged to by it is described enter
The stream of hot air is supplied to the feeding part of the cavity by mouth mouth.
In the embodiment of offer, it is equipped with suction unit in the downstream for raising base drying cylinder, which is connected to solid
The outlet mouth of fixed hollow shaft.Particularly, which is arranged to be aspirated through the sky that entrance mouth is sent into fixed hollow shaft
The thermal current of chamber.In this way, can help that gas is discharged from drying cylinder.
Advantageously, the inner surface of cylindrical housings is provided with multiple circumferential slots.
Preferably, multiple distributor components are located in interior room, and being arranged to will be from the sky of the fixed hollow shaft
The stream of hot air distribution of chamber is on an interior surface of the housing.
Particularly, each distributor component layout in multiple distributor components disclosed above is at the inner surface in shell
It is respective determine on part, a stream of hot air in the cavity of fixed hollow shaft is sent into distribution.
In more detail, distributor component configures in this way, in interior room, to limit cavity and the row of feeding part
Go out the predefined paths of the hot-air between the cavity of part.
Particularly, it raises base cylinder and fixed hollow shaft is arranged coaxially to each other.
In an embodiment according to the present invention, each distributor component is tubulose, and it is equipped at least one entrance
Aperture, at least one inlet ports of side surface of the entrance hole diameter towards fixed hollow shaft and at least one distributed aperture,
Inner surface towards cylindrical housings.
Similarly, feeding aperture can be associated with equipped with the feeding panel of multiple ingates.Particularly, in feeding panel
In the case of being arranged in before multiple suction holes, using the technical solution.
According to preferred embodiment, multiple distributor components disclosed above are integrated into fixed hollow shaft.
Advantageously, each distributor component layout is before the suction hole of predetermined quantity.
Particularly, feeding part is equipped with multiple inlet ports, and discharge part is equipped with multiple taps.In such case
Under, inlet ports and tap are advantageously arranged on respective row.
Particularly, multiple inlet ports and multiple taps along fixed hollow shaft entire circumferential distribution.
For example, the row that inlet ports and tap are distributed along it, can be longitudinally oriented fixed hollow shaft.
Advantageously, each distributor component can be oriented so that respective feeding aperture is located in the respective of suction hole
On row.
Preferably, between fixed hollow shaft and Yankee cylinder, at least the first and second bearings are installed, are arranged in opposite
End.
According to another aspect of the present invention, a kind of equipment for drying l Water Paper volume or similar products, including：
Base drying cylinder is raised as described above, the Yankee drying cylinder is arranged on that exterior in use equipped with outer surface
L Water Paper volume to be dried；
Drying hood is arranged in the opposite side for raising base drying cylinder, the drying relative to l Water Paper volume in use
Cover, which is set to, makes the l Water Paper volume is dry to raise base drying cylinder binding operation with described；
Pipeline is arranged to be pneumatically connected the cavity of the drying hood and the fixed hollow shaft, the pipeline cloth
It is set to the stream of hot air that supply recycles in the drying hood in the cavity.
In accordance with a further aspect of the present invention, a kind of method for drying l Water Paper volume or similar products provides following step
Suddenly：
Fixed hollow shaft with cavity and the side surface equipped with multiple holes are set, and the multiple hole is arranged to make institute
It states cavity to connect with external environment, the fixed hollow shaft is equipped with：
Entrance mouth, stream of hot air are arranged to enter the cavity by the entrance mouth；
Outlet mouth, the stream of hot air are arranged to flow to outside the drying cylinder by the outlet mouth；
Cylindrical housings are set, and the cylindrical housings are equipped with inner surface and can be revolved around the fixed hollow shaft
Turn ground to be mounted between the inner surface and the side surface of the hollow shaft of the cylindrical housings, limits interior room；
The partition wall being arranged in such a way in the cavity, by the fixed hollow shaft be divided into
To part and discharge part；
Stream of hot air is sent into the feeding part, the stream of hot air is by being located in the feeding part at least
One inlet ports goes to the interior room from the cavity, then, hits the inner surface, then, by the discharge part
In manufactured at least one tap enter the fixed hollow shaft the discharge part then pass through the outlet mouth
The cylinder is left, the stream of hot air passes through described or each row after being arranged in the inner surface for hitting the shell
Portal from the interior room to the cavity, in this way, flowing to described raise outside base drying cylinder by the outlet mouth.
Other features of the present invention are described in the dependent claims.
Description of the drawings
With reference to the drawings, by showing the present invention to the description of its exemplary embodiment below, the exemplary reality
Example is applied to be exemplary and not limiting, wherein：
- Fig. 1 shows the perspective view of the broken section according to the present invention for raising base drying cylinder；
Fig. 2 shows the drying cylinders according to the Fig. 1 in vertical section；
- Fig. 3 A show the enlarged drawing of a part for the distribution mouth of distributor component, with prominent some details, especially institute
The distribution panel of offer；
- Fig. 3 B show the alternate embodiment of the distribution panel of Fig. 3 A；
- Fig. 4 is to have an X-rayed the drying cylinder that facade side elevation shows not head according to the present invention；
- Fig. 5 schematically shows fixed hollow shaft in operating status to have an X-rayed facade side elevation；
- Fig. 6 shows the fixed hollow shaft of Fig. 5, along longitudinal direction section on plane；
- Fig. 7 is to show the drying cylinder on not head according to the present invention different from the perspective facade side elevation of Fig. 5；
- Fig. 8 schematically shows the enlarged drawing for the distribution panel that the present invention provides at distribution mouth；
- Fig. 9 shows the alternate embodiment of the fixed hollow shaft of Fig. 6 with longitudinal sectional perspective view；
- Figure 10 shows the first embodiment of the Yankee cylinder of the alternate embodiment of the fixed hollow shaft equipped with Fig. 9
Longitudinal view；
- Figure 11 shows longitudinal view of the alternate embodiment of the Yankee cylinder of Figure 10, equipped with the fixed hollow of Fig. 9
The alternate embodiment of axis；
- Figure 12 shows the perspective view of another alternate embodiment of the fixed hollow shaft of Fig. 6；
- Figure 13 shows the viewgraph of cross-section of the fixed hollow shaft of Figure 12；
The enlarged drawing of a part of Figure 13 is shown in detail in-Figure 14, with some features of the prominent present invention；
- Figure 15 A and 15B show that two kinds of possible replacements according to the present invention for drying the equipment of l Water Paper volume are implemented
Example.
Specific implementation mode
As schematically shown in Fig. 1, the structure of Yankee drying cylinder 1 according to the present invention includes the circle for having inner surface 11
Cylindrical shell 10.In addition, being equipped with the first and second heads or end wall 71 and 72, it is fixed on the opposite end of cylindrical housings 10.
The latter is rotatably mounted around fixed hollow shaft 20, and fixed hollow shaft has cavity 21 and the side table equipped with multiple holes 25
Face 22.Fixed hollow shaft 20 is especially equipped with entrance mouth 23, by the entrance mouth by thermal current 100, preferably especially has
Higher than the stream of hot air of 100 DEG C of temperature, it is sent in cavity 21.The temperature of hot-air is advantageously below 700 DEG C, to avoid in cylinder
Excessively high thermoelastic stress is generated in 1 structure.
Then, fixed hollow shaft 20 is equipped with outlet mouth 24, is located at the opposite side of entrance mouth 23.By outlet mouth 24,
The stream of hot air 100 introduced by entrance mouth 23 leaves drying cylinder 1 after the inner surface 11 for hitting shell 10.
According to the present invention, in cavity 21, it is equipped with partition wall 35, installation by fixed ducted body 20 to be divided into arrangement in this way
35 upstream of partition wall feeding part 20a and be arranged in the discharge part 20b (Fig. 6) in 35 downstream of partition wall.
The stream of hot air 100 being sent in the cavity 21 of feeding part 20a is arranged to be entered by multiple inlet ports 25a
It is limited in the interior room 30 between the inner surface 11 of cylindrical housings 10 and the side surface 22 of hollow shaft 20.Therefore, stream of hot air
100 hit inner surface 11, and the discharge part 21b of cavity 21 is then entered by multiple tap 25b.These especially compare inlet ports
25a is closer to outlet mouth 22.
In an illustrated embodiment, such as in Fig. 1,2 and 6, partition wall 35 for 20 lateral arrangement of fixed hollow shaft,
In particular, it is basically perpendicular to the longitudinal axis 102 of fixed hollow shaft 20.Therefore, in this case, part 20a is fed
Closer to entrance mouth 23, and discharge part 20b is closer to outlet mouth 24.
In the alternate embodiment shown in Fig. 9 and 10, partition wall 35 is longitudinal fixed for fixed hollow body 20 on the contrary
To.In this case, feeding part 20a is located at the top of fixed hollow shaft 20, and discharge part 20b be arranged in it is most lower
Portion.
As shown, for example in Fig. 1, Yankee drying cylinder 1 provides the multiple distributor components 40 being contained in interior room 30.More
In detail, each distributor component 40 is suitable for a stream of hot air 100 of the feeding part 21a from cavity 21 being distributed in shell
The respective of the inner surface 11 of body 10 determines on part.
As illustrated in the details in Fig. 4 and 6, distributor component 40 can be oriented radially Yankee cylinder 10.Particularly, each
Distributor component 40 can be longitudinally extended Yankee cylinder 10.
In the alternate embodiment schematically shown, as an example, in Fig. 4 and 7, each distributor component 40 is tubulose
, such as parallelepiped shape.Particularly, each distributor component 40 can provide at least one entrance hole diameter 41, court
To at least one inlet ports 25a of the feeding part 20a of fixed hollow shaft 20, and the inner surface towards cylindrical housings 10
11 at least one distributed aperture 42.
As being shown specifically in Fig. 3 A, the distributed aperture 42 of distributor component 40 advantageously with equipped with multiple distribution holes 46
It is associated to be distributed panel 45.These can be evenly distributed on the surface of distribution panel 45, in this way, will be by distributor component 40
The share of the stream of hot air 100 of transmission is evenly distributed on the respective part of the inner surface 11 of cylindrical housings 10.In Fig. 3 B
Shown in alternate embodiment, the distribution hole 46 of distribution panel 45 is conical butt.In this way, the pressure drop in hole can be reduced,
And therefore increase the stream of hot air for hitting shell 10.
Should suitably it illustrate, in figure 3, only as an example, the inner surface 11 of shell 10 is shown as being equipped with multiple circumferential directions
Slot 15.In fact, according to the present invention, the inner surface 11 of shell 10 is not necessarily intended to be equipped with circumferential slot.Distribution panel 45 can be by
Distribution grid made of hard material.Alternatively, distribution panel 45 can be made of porous materials, such as fabric or adhesive-bonded fabric, or
Similar material provides the porosity of predeterminated level.In this case, the hole for manufacturing the material of panel plays the work of distribution hole
With.
As shown, for example in the figure 7, distributor component 40 is arranged to preset distance apart, and distributed aperture
42 are arranged at 11 preset distance of inner surface away from shell 10.In more detail, in use, the stream of hot air of discharge is passed through by two
The space 50 that a immediately posterior distributor component 40 side surface 43 and 44 facing with each other limits.In fact, from fixed
The stream of hot air of the cavity 21 of hollow shaft 20 is once distributed in the inner surface of cylindrical housings 10 by each distributor component 40
In corresponding portion, especially because the rotary motion of cylindrical housings 10, it is forced to enter the space 50 that it is come from,
It is arranged in the downstream of distributor component 40.Once stream of hot air 100 transmits its heat at the inner surface 11 of shell 10, it just becomes
It is cold and across two immediately spaces posterior distributor component 40 are present in, move towards the tap of fixed hollow shaft 20
25b.Therefore, stream of hot air 100 initially enters cavity 21 from above-mentioned space 50, by tap 25b, then passes through outlet mouth 24
To the outside of fixed hollow shaft 20.The channel can be caused by suction unit, and for simplicity the suction unit is not being schemed
In show, be arranged in the downstream of the outlet mouth 24 of fixed hollow shaft 20.
In the preferred embodiment shown in Fig. 1 to 7, inlet ports 25a and tap 25b are located in for fixed hollow shaft
20 on longitudinal respective row.More precisely, as illustrated in the details in Figures 5 and 6, inlet ports 25a and tap 25b are located at respectively
From tandem staggeredly, that is, it is arranged on the outer surface of fixed hollow shaft 21, but at different busbares, the institute in figure
In the case of the cylindrical geometries of the axis 20 shown, or in different directions, but it is parallel to the axis of shell 10,
In the case that axis 20 has different geometries, such as parallelepiped geometry.Particularly, tap 25b phases are often arranged
For the direction of advance of the stream of hot air 100 of the inner surface 11 along shell 10, it is arranged under the respective row of inlet ports 25a
Trip.This is determined by cylindrical housings 10 around the direction of rotation of its rotation axis.Therefore, in this way, hot-air is obtained
The mandatory path of stream 100, it is, therefore the hot-air is forced to enter distributor structure from the cavity 21 of fixed hollow shaft 20
Part 40, it is immediately posterior into being limited to two after the inner surface 11 for hitting cylindrical housings 10 by inlet ports 25a, e
Space 50 between distributor component 40.
In the embodiment shown in Fig. 9 to 11, entrance mouth 23 and outlet mouth 24 are arranged in the identical of fixed hollow body 20
Side.Particularly, in the end opposite with entrance mouth and outlet mouth 24 of fixed hollow shaft 20, it is equipped with closure wall 26.In this way,
Structure can be simplified.In fact, as shown in FIG. 10 and 11, due to no longer needing using the pipeline with major diameter come from Yankee cylinder
Hot-air is discharged in 1, axis 80 is sufficient with minor diameter, therefore, it is possible to use the bearing 62 with small size.
In figs. 12 and 13, another alternate embodiment of fixed hollow shaft 20 provided by the present invention is shown.At this
In the case of kind, partition wall 35 is longitudinally extended along fixed hollow shaft 20, but includes two planar sections of α of being tilted by a predetermined angle
35a and 35b.In more detail, the feeding part 20a of the fixed hollow shaft 20 with inlet ports 25a is set in this case
Between two planar sections 35a and 35b.Discharge part 20b equipped with tap 25b is 20 correspondence center of fixed hollow shaft
The explementary angle of the part of angle beta, especially angle [alpha].Therefore, in this case, shell 10 of the stream of hot air in Yankee drying cylinder 1
It is transmitted at the part 13 of inner surface 11.10 high speed rotary motion of shell, such as 3 turns per second, then contribute to the institute in shell 10
Have and is distributed substantially uniformly through stream of hot air on inner surface 11.The embodiment can also provide one or more distributor components
40, with or without distribution grid 45, as described above.Enlarged drawing such as Figure 14 is illustrated in detail, and distributor component 40 is arranged in
At 11 predetermined distance d of inner surface away from shell 10.
The hot-air in the cavity 21 of fixed hollow shaft 20 is sent into especially as exhaust gas, by being used to produce electricl energy
Machine or by means of coproduction generator, i.e., obtained by means of " turbogenerator ", or pass through the difference for generating energy
Machine obtains, and is arranged in the factory for being mounted with Yankee drying cylinder 1 according to the present invention, or in its vicinity.If necessary to drop
The temperature of low exhaust gas ordinarily is about 600-700 DEG C, then cooling this useless before these exhaust gas are sent into fixed hollow shaft 20
Gas is sufficient, such as exhaust gas is mixed with fresh air.
In this way, plant energy consumption can be optimized, to significant reduction operating cost.
In Figure 15 A and 15B, it is schematically shown that according to the present invention for drying l Water Paper volume 160 or similar products
Two of equipment 200 different embodiments.In more detail, equipment 200 includes Yankee cylinder 1, as described in above referring to figs. 1 to 11.
It raises base cylinder 1 and is especially equipped with outer surface 12, in use, 160 positioning of l Water Paper to be dried volume is on that exterior.In addition, equipment
200 include drying hood 150, and drying hood is arranged to be combined work with Yankee cylinder 1, to make l Water Paper roll up drying.In general, drying hood
150 are arranged to absorb moisture, and moisture is generation by l Water Paper volume and the surface 12 of Yankee drying cylinder 1 contact, and described
Stream of hot air is supplied on l Water Paper volume 160.According to the present invention, equipment 200 also provides pipeline 180, and pipe arrangement is at by drying hood 150
It is pneumatically connected to the cavity 21 of fixed hollow shaft 20.More precisely, pipeline 180 is arranged to the cycle in drying hood 150
Stream of hot air be sent into cavity 21 in.This specific construction solution allows to optimize energy expenditure, is especially used to generate
Hot-air.
In fact, as it is known, in the drying hood 150 raised above base drying cylinder 1, the heat for recycling high flow capacity is empty
Gas, partly by l Water Paper volume 160 and produced by the evaporation of the humidity caused by the contact for the outer surface for raising base cylinder 1 and part
Ground generates in drying hood 150, and drying hood is equipped at least one burner, and the burning of power is especially provided by methane gas
Device, for generating hot-air.The hot-air generated in cover 150 is directed to l Water Paper volume 160, and l Water Paper volume 160 is on the surface of drying cylinder
Upper sliding makes the moisture drying of 160 evaporation of l Water Paper volume.
Drying hood 150 is especially divided into " humidity " part 151 and " drying " part 152.The present invention provides the connections of pipeline 180
The case where wet zone of cover 150 being connected to (Figure 15 A) the case where drying nest and pipeline 180 (Figure 15 B).This can be with
It obtains, one pipeline 180 is directly connected in two parts of cover 150, as shown in figs. 15a and 15b, or is connected to each
From discharge tube, for clarity reasons, such case is not shown.
More precisely, the temperature of the air recycled in the drying nest of drying hood is about 600-700 DEG C.It is empty in available heat
In the case that gas has the temperature for being considered excessively high and therefore becomes dangerous, answered to generate high fever in the structure of Yankee cylinder 1
The possibility of power, before being introduced into fixed hollow shaft 20, leaving the hot-air of drying nest can mix with cold air.
On the contrary, when air is extracted out from the wet zone of cover 150, this problem is not present.Particularly, the wet zone of cover
It is passed through by stream of hot air, the temperature of the stream of hot air is less than the temperature of the air recycled in drying nest.In fact, in cover
The temperature of the air recycled in 150 wet zone is about 300-400 DEG C, therefore, is ideally admitted to fixed hollow shaft 20
Cavity 21 in, without will produce disadvantages mentioned above.In addition to that mentioned above, allow at the same temperature using the fact that humid air
And since there are humidity, and with the available thermal power for being more than the thermal power using heated dry air situation.
In another alternate embodiment not shown in the figure, before hot-air is sent into fixed hollow shaft 20, heat is empty
Gas can be extracted out from the wet zone 151 of drying nest 152 and cover 150 and mix two bursts of stream of hot air.
The foregoing description exemplary embodiment of the present invention so will fully disclose the present invention according to the viewpoint of concept so that its
Other people using current knowledge by that will change and/or adapt to embodiment as various applications, without further studying
And leave the present invention.It should therefore be understood that these change and modification must be regarded as being equal with specific embodiment.Due to this
A reason realizes that the component of various functions described herein and material can have different property, without departing from the present invention's
Field.It should be understood that phraseology or terminology employed herein is for purposes of illustration and unrestricted.
Claims (16)
1. one kind raising base drying cylinder (1), including：
Fixed hollow shaft (20) with cavity (21) and the side surface (22) equipped with multiple holes (25), the multiple hole cloth
It is set to and the cavity (21) is connected with external environment, the fixed hollow shaft (20) is equipped with：
Entrance mouth (23), the thermal current (100) with predetermined temperature, particularly the temperature higher than 100 DEG C are arranged to by described
Entrance mouth is sent into the cavity (21)；
Outlet mouth (24), the hot gas stream (100) are arranged to leave the drying cylinder (1) by the outlet mouth；
Cylindrical housings (10) are equipped with inner surface (11) and are rotatably mounted around the fixed hollow shaft (20)
Between the inner surface (11) of the cylindrical housings (10) and the side surface (22) of the hollow shaft (20), interior room is limited
(30)；
The base drying cylinder (1) of raising is characterized in that it further includes：
The partition wall (35) being mounted in the cavity (21), in this way, the fixed hollow shaft (20) is divided into feeding part
(20a) and discharge part (20b), the feeding part (20a) are equipped at least one inlet ports (25a), the inlet ports arrangement
It is supplied to the interior room (30) from the cavity (21) at by the hot gas (100), in this way, the inner surface (11) is hit,
The discharge part (20b) is equipped at least one tap (25b), and the tap is pneumatically connected to the outlet mouth
(22), the thermal current is arranged to after the interior surface (11) for hitting the shell (10), passes through the tap
Or each tap (25b) is from the interior room (30) to the cavity (21), in this way, being flowed to by the outlet mouth (24) described
It raises outside base drying cylinder (1).
2. according to claim 1 raise base drying cylinder (1), it is provided with multiple distributor components (40), the multiple distribution
Device component is contained in the interior room (30)；It is determined on part in the respective of the inner surface (11) of the shell (10), institute
State each distributor component (40) in multiple distributor components be arranged to be distributed a thermal current (100) be sent into it is described fixed
In the cavity (21) of hollow shaft (20).
3. Yankee drying cylinder (1) according to claim 2, wherein each distributor component in the multiple distributor component
(40) it is tubulose, and is equipped at least one entrance hole diameter (41) towards at least one inlet ports (25a), and towards the circle
At least one distributed aperture (42) of the inner surface (11) of cylindrical shell (10).
4. according to claim 3 raise base drying cylinder (1), wherein described or each distributed aperture (42) be equipped with multiple distributions
The distribution grid (45) in hole (46) is associated, in this way, on the respective part of the inner surface (11) of the cylindrical housings (10),
The respective share of even distribution hot gas stream (100).
5. according to claim 2 raise base drying cylinder (1), wherein the distributor component (40) be arranged to be separated by it is predetermined
Distance, and the distributed aperture (42) is arranged at the inner surface (11) preset distance away from the shell (10), in this way,
The side surface facing with each other of two immediately posterior distributor components (40) is arranged to limit a space, in use, direction
The hot exhaust gas stream of the tap (25b) passes through the space.
6. according to any one of the preceding claims raise base drying cylinder (1), wherein feeding part (21a) offer is multiple
Inlet ports (25a), and the discharge part provides multiple taps (25b), the inlet ports (25a) and the tap
(25b) is located in different tandems on the fixed hollow shaft (20).
7. Yankee drying cylinder (1) according to any one of the preceding claims, wherein every in the multiple distributor component
A distributor component (40) is longitudinally extended to the cylindrical housings (10) radial directed, and along the Yankee cylinder (10).
8. Yankee drying cylinder (1) according to any one of the preceding claims, wherein the entrance mouth (23) and the outlet
Mouth (24) is located at the same side of the fixed hollow shaft (20).
9. according to claim 8 raise base drying cylinder (1), wherein in the fixed hollow shaft (20) and the entrance mouth
(23) and the opposite end of the outlet mouth (24) is equipped with closure wall (26).
10. Yankee drying cylinder (1) according to any one of the preceding claims, wherein the partition wall (35) is selected from following structures
At group：
It is arranged to the partition wall (35) substantially vertical with the longitudinal axis (102) of the fixed hollow shaft (20)；
It is arranged to the fixed hollow shaft (20) into longitudinal partition wall (35)；
Along the partition wall (35) that the fixed hollow shaft (20) is longitudinally extended, the partition wall includes being tilted by a predetermined angle
The first part (35a) of (α) and second part (35b).
11. Yankee drying cylinder (1) according to any one of the preceding claims, wherein the thermal current is admixture of gas
Stream.
12. according to any one of the preceding claims raise base drying cylinder (1), wherein the thermal current is stream of hot air.
13. Yankee drying cylinder (1) according to any one of the preceding claims, wherein the temperature of the thermal current is set in
Between 250 DEG C and 700 DEG C, it is preferable to set between 300 DEG C and 600 DEG C.
14. according to any one of the preceding claims raise base drying cylinder (1), be provided be connected to it is described fixed hollow
The suction unit of the outlet mouth (24) of axis (20), the suction unit are arranged to be aspirated through entrance mouth (23) feeding
The cavity (21) described thermal current of the fixed hollow shaft (20).
15. equipment (200) of the one kind for drying l Water Paper volume (160) or similar products, including：
Yankee drying cylinder (1) according to any one of claim 1 to 14, the base drying cylinder (1) of raising are equipped with outer surface
(12), the l Water Paper volume (160) to be dried in use, is laid on the outer surface；
Drying hood (150) is arranged in the opposite of the Yankee drying cylinder (10) relative to l Water Paper volume (160) in use
Side, the drying hood (150) are arranged to that the drying of the l Water Paper volume (160) is made to raise base drying cylinder (1) binding operation with described；
Pipeline (180) is arranged to be pneumatically connected the cavity of the drying hood (150) and the fixed hollow shaft (20)
(21), the pipeline (180) is arranged to the thermal current that supply recycles in the drying hood (150) in the cavity (21)
(100)。
16. the method for drying l Water Paper volume or similar products, which is characterized in that it includes the following steps：
Fixed hollow shaft with cavity and the side surface equipped with multiple holes are set, and the multiple hole is arranged to described in connection
Cavity and external environment, the fixed hollow shaft are equipped with：
Entrance mouth, stream of hot air are arranged to be sent into the cavity by the entrance mouth；
Outlet mouth, the stream of hot air are arranged to flow to outside the drying cylinder by the outlet mouth；
Cylindrical housings are set, and the cylindrical housings are equipped with inner surface, and rotatably pacify around the fixed hollow shaft
Between the inner surface of the cylindrical housings and the side surface of the hollow shaft, interior room is limited；
Partition wall in the cavity is set, in this way, the fixed hollow shaft is divided into feeding part and discharge unit
Point,
Stream of hot air is supplied in the feeding part, the stream of hot air is by being located at least one fed in part
A inlet ports goes to the interior room from the cavity, then hits the inner surface, then by being located in the discharge part
At least one tap enter the fixed hollow shaft the discharge part, then from the cylinder pass through the outlet
Mouth, the stream of hot air are arranged to after the inner surface for hitting the shell, pass through described or each tap from institute
It states interior room and goes to the cavity, in this way, flowing to described raise outside base drying cylinder by the outlet mouth.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT102016000006526 | 2016-01-22 | ||
| ITUB2016A000329A ITUB20160329A1 (en) | 2016-01-22 | 2016-01-22 | MONOLUCID DRYING CYLINDER WITHOUT STEAM USE |
| PCT/IB2017/050105 WO2017125829A1 (en) | 2016-01-22 | 2017-01-10 | Yankee dryer cylinder operating without steam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108603337A true CN108603337A (en) | 2018-09-28 |
Family
ID=55795102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780006841.5A Pending CN108603337A (en) | 2016-01-22 | 2017-01-10 | The operation of base drying cylinder is raised without steam |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US20190024314A1 (en) |
| EP (1) | EP3405612B1 (en) |
| JP (1) | JP2019508657A (en) |
| CN (1) | CN108603337A (en) |
| BR (1) | BR112018014780A2 (en) |
| IT (1) | ITUB20160329A1 (en) |
| PL (1) | PL3405612T3 (en) |
| WO (1) | WO2017125829A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109487614A (en) * | 2018-12-25 | 2019-03-19 | 诸城市大正机械有限公司 | A kind of toilet paper machine fluidic plate structure and preparation method thereof |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115125755A (en) * | 2022-07-28 | 2022-09-30 | 白城福佳科技有限公司 | Porous dryer and paper machine drying system |
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|---|---|---|---|---|
| US3633662A (en) * | 1970-01-16 | 1972-01-11 | Beloit Corp | Dryer drum assembly |
| US5385644A (en) * | 1992-06-08 | 1995-01-31 | Valmet Paper Machinery, Inc. | Method and device for intensifying the operation of a Yankee press in a soft-tissue paper machine |
| US20030178406A1 (en) * | 2002-03-22 | 2003-09-25 | Metso Paper Karlstad Ab | Thermal roll for papermaking with a fluid circulation system and method therefor |
| CN103334332A (en) * | 2013-06-05 | 2013-10-02 | 杭州大路实业有限公司 | High-efficiency dry cylinder device of high-speed sanitary paper machine system and drying method of high-efficiency dry cylinder device |
| CN204370234U (en) * | 2014-12-27 | 2015-06-03 | 潍坊凯信机械有限公司 | A kind of cylinder assembly of Flying Dutchman |
| CN204455702U (en) * | 2014-12-24 | 2015-07-08 | 佛山市南海区宝拓造纸设备有限公司 | A kind of steel raises a gram drying cylinder |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005000795A1 (en) * | 2005-01-05 | 2006-07-13 | Voith Paper Patent Gmbh | Apparatus and method for producing and / or refining a fibrous web |
-
2016
- 2016-01-22 IT ITUB2016A000329A patent/ITUB20160329A1/en unknown
-
2017
- 2017-01-10 JP JP2018538222A patent/JP2019508657A/en active Pending
- 2017-01-10 CN CN201780006841.5A patent/CN108603337A/en active Pending
- 2017-01-10 US US16/070,709 patent/US20190024314A1/en not_active Abandoned
- 2017-01-10 WO PCT/IB2017/050105 patent/WO2017125829A1/en active Application Filing
- 2017-01-10 PL PL17707658T patent/PL3405612T3/en unknown
- 2017-01-10 EP EP17707658.5A patent/EP3405612B1/en active Active
- 2017-01-10 BR BR112018014780A patent/BR112018014780A2/en not_active Application Discontinuation
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3633662A (en) * | 1970-01-16 | 1972-01-11 | Beloit Corp | Dryer drum assembly |
| US5385644A (en) * | 1992-06-08 | 1995-01-31 | Valmet Paper Machinery, Inc. | Method and device for intensifying the operation of a Yankee press in a soft-tissue paper machine |
| US20030178406A1 (en) * | 2002-03-22 | 2003-09-25 | Metso Paper Karlstad Ab | Thermal roll for papermaking with a fluid circulation system and method therefor |
| CN103334332A (en) * | 2013-06-05 | 2013-10-02 | 杭州大路实业有限公司 | High-efficiency dry cylinder device of high-speed sanitary paper machine system and drying method of high-efficiency dry cylinder device |
| CN204455702U (en) * | 2014-12-24 | 2015-07-08 | 佛山市南海区宝拓造纸设备有限公司 | A kind of steel raises a gram drying cylinder |
| CN204370234U (en) * | 2014-12-27 | 2015-06-03 | 潍坊凯信机械有限公司 | A kind of cylinder assembly of Flying Dutchman |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109487614A (en) * | 2018-12-25 | 2019-03-19 | 诸城市大正机械有限公司 | A kind of toilet paper machine fluidic plate structure and preparation method thereof |
| CN109487614B (en) * | 2018-12-25 | 2023-12-26 | 诸城市大正机械有限公司 | Jet flow plate structure of toilet paper machine and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3405612A1 (en) | 2018-11-28 |
| BR112018014780A2 (en) | 2018-12-11 |
| WO2017125829A1 (en) | 2017-07-27 |
| ITUB20160329A1 (en) | 2017-07-22 |
| JP2019508657A (en) | 2019-03-28 |
| PL3405612T3 (en) | 2020-09-21 |
| EP3405612B1 (en) | 2020-03-11 |
| US20190024314A1 (en) | 2019-01-24 |
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Application publication date: 20180928 |
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