CN108770100A - A kind of Highly Effective formula heating roller and its control method - Google Patents
A kind of Highly Effective formula heating roller and its control method Download PDFInfo
- Publication number
- CN108770100A CN108770100A CN201810952192.4A CN201810952192A CN108770100A CN 108770100 A CN108770100 A CN 108770100A CN 201810952192 A CN201810952192 A CN 201810952192A CN 108770100 A CN108770100 A CN 108770100A
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- heating
- heating tube
- heating roller
- temperature
- electric heating
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 283
- 238000000034 method Methods 0.000 title claims abstract description 6
- 238000005485 electric heating Methods 0.000 claims abstract description 96
- 239000000463 material Substances 0.000 claims abstract description 19
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910021389 graphene Inorganic materials 0.000 claims abstract description 12
- 238000009434 installation Methods 0.000 claims abstract description 8
- 239000004020 conductor Substances 0.000 claims description 9
- 238000004321 preservation Methods 0.000 claims description 9
- 230000005611 electricity Effects 0.000 claims description 4
- 238000005098 hot rolling Methods 0.000 claims description 4
- 239000004744 fabric Substances 0.000 claims 1
- 238000009790 rate-determining step (RDS) Methods 0.000 claims 1
- 239000003921 oil Substances 0.000 description 48
- 239000002184 metal Substances 0.000 description 12
- 230000017525 heat dissipation Effects 0.000 description 8
- 238000007789 sealing Methods 0.000 description 6
- 238000001514 detection method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 210000004907 gland Anatomy 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 241001484259 Lacuna Species 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/40—Heating elements having the shape of rods or tubes
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B1/00—Details of electric heating devices
- H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/02—Details
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- Resistance Heating (AREA)
Abstract
The invention discloses a kind of Highly Effective formula heating rollers,Including heating roller and the first electric heating tube,The second electric heating tube of both ends of the surface,Temperature transducer and conducting slip ring,Wherein the first electric heating tube is mounted on heating roller and is filled with efficient nano Heat Conduction Material in the equally distributed collar aperture of roll surface,Uniformly alternate distributing installation has temperature transducer between the Kong Yukong close to the equally distributed installation heating tube of roll surface,It will heating,Temperature control has been integrated in heating roller,The heat that electrical heating generates uniformly is conducted to heating roller by equally distributed electric heating tube by the efficient nano Heat Conduction Material containing graphene,It is effectively guaranteed the consistency of roll surface heating temperature,The invention discloses the control methods of independent control the first electric heating tube and the second electric heating tube simultaneously,According to the roll surface temperature detected,Control the intermittent heating of the first heating tube and the second heating tube supplementary heating,So that roll surface temperature control is more acurrate.
Description
Technical field
The present invention relates to a kind of heating devices, especially, are related to a kind of Highly Effective formula heating roller.
Background technology
Conventional heating roller is by rotary joint, connection by metal hose to separate heater, being added by oil circulating pump pair
The lower conduction oil of temperature in the higher conduction oil of temperature and heating roller in hot device by heating is recycled, and is gradually heated
To set temperature, and by the continuous cycle of the work of the interval of heater and conduction oil realize the temperature of conduction oil one compared with
Variation in small range, to make roll surface temperature tend to be constant.
Conventional heating roller is primarily present the defect of several respects：
1, roll surface both ends cause heating roller roll surface thermal deformation uneven, roll surface straightness since there are the temperature difference for heat dissipation unevenness
Error becomes larger；
2, in heating system detection with setting be separate heater oil outlet and oil return opening temperature, the reality with roll surface
There are errors for border temperature；
3, there are the hidden danger of leakage of oil for heat conduction oil circulating pipe part junction；
4, it will produce oil smoke oil gas in existing heating roller heating process and pollute environment；
5, existing heating system radiation loss is larger, causes energy waste；
6, existing heating system is of high cost, and occupied space is big；
7, existing heating roller is replaced or when reconditioning, complicated for operation.
Invention content
In order to solve conventional heating roller, the present invention provides a kind of being integrated in heating and temperature control to add
Hot-rolling inner utilization resistance heating and graphene nano Heat Conduction Material realize the Highly Effective formula heating roller of uniform heat conduction.
The present invention provides a kind of Highly Effective formula heating rollers, including heating roller and electric heating tube, temperature transducer, conduction
Slip ring and electrical control cabinet are equipped with the electric heating tube for heating the heating roller, the heating roller two in the heating roller
Side is provided with the temperature transducer for detecting temperature, and described heating roller one end is provided with for powering to the electric heating tube
Conducting slip ring, the electric heating tube are electrically connected with the conducting slip ring, and the temperature sensor is electrically connected with the conducting slip ring,
The conducting slip ring is electrically connected with the electrical control cabinet.
Preferably, several through holes for running through the heating roller from length direction are provided on the heating roller, it is described
Through hole is uniformly set on the heating roller cross section.
Preferably, the electric heating tube includes that the first electric heating tube being mounted in the through hole and setting add described
Hot-rolling both ends of the surface are used for the second electric heating tube of temperature-compensating, and first electric heating tube is installed in the through hole, with institute
It states conducting slip ring to connect by conducting wire, Heat Conduction Material is filled between first heating tube and the through hole.
Preferably, the Heat Conduction Material is the nano heat-conductive material containing graphene, and nano heat-conductive material is described first
Heat conduction network is formed between electric heating tube and the through hole, by being conducted to for the even heat of first electric heating tube generation
The heating roller, the graphene thermal coefficient in the nano heat-conductive material is high, is conducive to generate first electric heating tube
Heat be quickly conducted to the heating roller.
Preferably, second electric heating tube is the second electric heating tube, is connect with the conducting slip ring by conducting wire, described
Conducting wire is arranged in the heating roller, and the heating roller end face is concentric installs, the heating power of the second point heating tube and
Heating time is relative to first electric heating tube by the electrical control cabinet independent control.
Preferably, the mounting hole being provided in the heating roller both ends of the surface between the through hole, the mounting hole
For installing the temperature transducer, the temperature transducer is connected to by signal wire on the conducting slip ring, the signal
Line is arranged in the heating roller.
Preferably, further include heating tube fixed plate, the heating tube is arranged in the heating roller both ends of the surface, and described first
Electric heating tube, second electric heating tube, the temperature transducer are fixed by the heating tube fixed plate, are set in the heating roller
It is equipped with the cable hole passed through for the conducting wire and the signal wire, the number in the hole and the through hole and the mounting hole
Number match, the heating roller shaft core position is provided with blind hole, and the blind hole is worn for the conducting wire and the signal wire
It crosses, ensures that first heating tube, second heating tube, the temperature transducer, the conducting wire and the signal wire can
It is rotated together with heating roller.
Preferably, further include the insulating layer being arranged in heating roller both ends of the surface for heat preservation, the insulating layer includes that setting exists
The adiabator layer on the temperature transducer and the electric heating tube surface and for protecting the heat preservation of the adiabator layer to protect
Cover.
Preferably, if being provided with dry contact annulus on the conducting slip ring, the contact annulus number corresponds to the electricity
Heating tube and the temperature transducer number are arranged, and brush is provided on the conducting slip ring, and the brush is justified with the contact
Ring is accordingly arranged, and the brush is electrically connected with the electrical control cabinet, realizes for the electric heating tube and the temperature transducers
The control of device.
The control method of Highly Effective formula heating roller provided by the invention is as follows：
The roll surface temperature that temperature transducer described in step 1. detects is sliding by signal wire and the conduction as feedback signal
Ring is transmitted in the electrical control cabinet；
If the roll surface temperature that step 2. is fed back is low and electrical control cabinet setting value, the electrical control cabinet pass through the conduction
First heating tube described in slip ring and the polygon control survey works, when by the heating power and the heating that control first heating tube
Between heating roller is heated to set temperature, and by the temperature of the guarantee of work heating roller of electric heating tube interval in smaller range
Change in ± 1 DEG C, to make roll surface temperature tend to be constant；
For step 3. during step 2 carries out, the electrical control cabinet controls the second electric heating tube work, for pair
The compensation heating of heating roller both ends of the surface, the second electric heater for heating power and heating time are relative to first electric heating tube
Independent control, it is ensured that roll surface effectively uses heating temperature in width consistent.
Heating, temperature control have been integrated in heating roller, the first electric heating tube by Highly Effective formula heating roller provided by the invention
By strictly sorting, each resistance, heating power are completely the same, the heat that equally distributed electric heating tube generates electrical heating
Amount is uniformly conducted to heating roller by the efficient nano Heat Conduction Material containing graphene, is effectively guaranteed roll surface heating temperature
Consistency；Heating roller both ends are equipped with end face temperature and compensate circular heating tube, heating power and heating time independent control, can be with
Roll both ends are effectively solved the problems, such as because opposite heat dissipation area is larger, heat dissipation is very fast, roll surface is effectively narrowed using width, to protect
Demonstrate,prove the consistency that roll surface effectively uses heating temperature in width.Both conventional heating roller separate heater and connected jointed tubular workpieces are not present
Leakage of oil, oil vapour pollution the problems such as, and reduce external connection heating system scattering losses；Temperature transducer is mounted on heating simultaneously
In roller, detection be roll surface actual temperature rather than the temperature of conduction oil, roll surface temperature control it is more acurrate.
The invention has the advantages that：
1, present invention employs contain the efficient nano Heat Conduction Material of graphene as Heat Conduction Material so that electric heating tube produces
Raw heat can quickly, efficiently, be uniformly conducted to heating roller, can effectively ensure the consistency of roll surface heating temperature；
2, the present invention is additionally arranged temperature-compensating circular heating tube in heating roller both ends of the surface, and heating power and heating time are independent
Control can effectively solve roll both ends because opposite heat dissipation area is larger, heat dissipation is very fast, roll surface is effectively asked using what width narrowed
Topic, to ensure that roll surface effectively uses the consistency of heating temperature in width.
3, introducing and employment of the present invention conducting slip ring technology, make the electric heating tube of heating roller rotate with heating roller it is same
When, electric power can be obtained by conducting slip ring, while temperature transducer is rotated with heating roller, can be fed back by conducting slip ring
Signal is detected, is realized by electrical control cabinet and the temperature of heating roller is controlled, and heating roller provided by the invention is compact-sized,
The replacement reconditioning of heating roller can be completed after dismounting conducting slip ring, it is easy to operate.
Description of the drawings
The left view schematic diagram and diagrammatic cross-section of Highly Effective formula heating roller in Fig. 1 one embodiment of the present invention, in figure
Section A-A passes through the first heating tube axis；
The left view schematic diagram and diagrammatic cross-section of Highly Effective formula heating roller in Fig. 2 one embodiment of the present invention, in figure
Section B-B passes through temperature transducer axis；
The part section face structural schematic diagram of Fig. 3 conventional heating rollers, wherein arrow as shown in the figure is conduction oil loop direction；
The conducting slip ring close-up schematic view of Highly Effective formula heating roller in Fig. 4 one embodiment of the present invention.
In figure：101- conducting slip rings, 102- signal wires, 103- adiabator layers, 104- heat-preservation guard shields, 105- temperature transducers
Device, 106- efficient nano Heat Conduction Materials, the first electric heating tubes of 107-, the second electric heating tubes of 108-, 109- heating tube fixed plates,
1010- conducting wires, 1011- heating rollers, 1012- brushes, the contacts 1013- annulus；
2021- metal hoses, 2022- rotary joints, 2023- rotary joint inner tubes, 202- the first heating roller roll shafts, 206-
Heat roll sleeve, 207- conduction oils, 209- sealing rings, 2010- sealing glands, 2011- the second heating roller roll shafts.
Specific implementation mode
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
In the description of the present invention, it is to be understood that, the instructions such as term "upper", "lower", "front", "rear", "left", "right"
Orientation and position relationship be the orientation or positional relationship based on attached drawing, be merely for convenience of description of the present invention and simplification of the description,
It does not indicate or imply the indicated device or component must have a particular orientation, with specific azimuth configuration and operation,
Therefore it should not be understood as the limitation of the present invention.In addition, term " first ", " second " etc. are used for description purposes only, and cannot understand
For index or implies relative importance or implicitly indicate the quantity of indicated technical characteristic.Define as a result, " first ",
The feature of " second " etc. can explicitly or implicitly include one or more this feature.In the description of the present invention, unless
It is otherwise noted, " several " are meant that two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even " " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected, can
Can also be electrical connection to be mechanical connection；Can be oneself connection, can also indirectly connected through an intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, it can understand that above-mentioned term exists by concrete condition
Concrete meaning in the present invention.
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
In order to understand that existing conventional heating roller, Fig. 3 show conventional heating roll structure schematic diagram,
Wherein 2021 be metal hose, and 2022 be rotary joint, and 2023 be rotary joint inner tube, and 202 be the first heating roller roll shaft, 206
To heat roll sleeve, 207 be conduction oil, and 209 be sealing ring, and 2010 be sealing gland, and 2011 be the second heating roller roll shaft；
In structure, conventional heating roller is by heating roll sleeve 206 and the first heating roller roll shaft 202, the second heating roller roll shaft
2011 tight fits edge is equipped with sealing ring 209 and sealing gland 2010, the first heating roller with composition, the both ends of heating roll sleeve 206
The end face of roll shaft 202 is equipped with rotary joint 2022, and the inside of rotary joint 2022 is equipped with rotary joint inner tube 2023, for that will add
The conduction oil 207 of heat is injected into the cavity of heating roller；Rotary joint 2022 passes through metal hose 2021 and separate heater phase
The circulating-heating to conduction oil is realized in connection.But rotary joint, metal hose, separate heater in heating system and more
All there is the hidden danger of leakage of oil in place's connecting pipe；And rotary joint is during heating due to heat waste caused by roll surface heat dissipation
It loses, there are the temperature difference generally to cause heating roll sleeve thermal deformation uneven at 2-4 DEG C for both ends conduction oil, and roll surface straightness error becomes
Greatly, the precision of equipment is reduced.
During the work time, heating roller is connected in separate heater by rotary joint 2022, metal hose 2021,
Heat conduction oil circulation path is as shown by arrows in figure, and in two metal hoses 2021 that rotary joint 2022 connects, one is oil inlet
Pipe, one is oil return pipe, and oil inlet pipe is connected with rotary joint inner tube 2023, and the conduction oil 207 of heating is injected into heating roller
Cavity in, conduction oil 207 is flowed into from one end of heating roller inner cavity, from the other end of heating roller inner cavity flow out, through rotary joint
2022, the oil return pipe in metal hose 2021 flow back into separate heater, circulating-heating is carried out to conduction oil 207, by recycle oil
Pump is injected into the oil inlet pipe in metal hose 2021 to the higher conduction oil of temperature by heating in heater, completes cycle and adds
Heat is gradually heated to set temperature, and realizes conduction oil 207 by the continuous cycle of the work of the interval of heater and conduction oil
Temperature change in a smaller range, to make roll surface temperature tend to be constant.
Since what separate heater used in conventional heated systems is all open type oil tank, oil smoke oil is will produce in heating process
Gas and pollute environment；Also, in the heating system of conventional heating roller, detection and setting are separate heater oil outlet and oil return
Mouthful temperature, when beginning to warm up roll surface temperature be far below oil outlet and oil return opening temperature, even if heating roller roller sleeving temperature with lead
When hot oil temperature is close, there is also errors for the actual temperature of temperature and roll surface that separate heater is shown, generally at 3-5 DEG C.
In addition to this, there is also the defects of following several respects to need to improve for conventional heating roller：
1, the radiation loss of the rotary joint in heating system, metal hose and separate heater is larger, causes the energy unrestrained
Take；
2, independent heater and mating rotary joint, metal hose, the conduction oil etc. for cycle in heating system
Not only purchase cost is high, but also also takes up larger space；
3, it replaces or when polishing and heating roller, needs the conduction oil of heating roller intracavitary being all discharged, weight is needed when installing and using
New installation rotary joint reconnects metal hose, rejoins conduction oil, complicated for operation.
In order to solve the above technical problems, heating and temperature control are integrated in profit inside heating roller the present invention provides a kind of
The Highly Effective formula heating roller of uniform heat conduction is realized with resistance heating and graphene nano Heat Conduction Material.
Such as Fig. 1~Highly Effective shown in Fig. 2 formula heating roller, wherein 101 be conducting slip ring, 102 be signal wire, and 103 are
Adiabator layer, 104 be heat-preservation guard shield, and 105 be temperature transducer, and 106 be efficient nano Heat Conduction Material, and 107 add for the first electricity
Heat pipe, 108 be the second electric heating tube, and 109 be heating tube fixed plate, and 1010 be conducting wire, and 1011 be heating roller；
The present invention provides a kind of Highly Effective formula heating rollers 1011, including heating roller 1011 to be passed with electric heating tube, thermometric
Sensor 105, conducting slip ring 101 and electrical control cabinet are equipped with the electrical heating for heating roller 1011 in heating roller 1011
Pipe, 1011 both sides of heating roller are provided with the temperature transducer 105 for detecting temperature, 1011 one end of heating roller be provided with for
The conducting slip ring 101 of electric heating tube power supply, electric heating tube are electrically connected with conducting slip ring 101, temperature sensor and conducting slip ring 101
Electrical connection, conducting slip ring 101 are electrically connected with electrical control cabinet.
In a specific embodiment of the invention, it is provided on heating roller 1011 and several runs through heating roller from length direction
1011 through hole, through hole are uniformly set on 1011 cross section of heating roller.
In a specific embodiment of the invention, electric heating tube includes the first electric heating tube 107 being mounted in through hole
Be arranged 1011 both ends of the surface of heating roller be used for temperature-compensating the second electric heating tube 108, the first electric heating tube 107, which is installed to, to be passed through
It in perforation, is connect by conducting wire 1010 with conducting slip ring 101, first is filled with Heat Conduction Material between heating tube and through hole.
In a specific embodiment of the invention, Heat Conduction Material is the nano heat-conductive material containing graphene, nano heat-conductive
Material forms heat conduction network between the first electric heating tube 107 and through hole, the even heat that the first electric heating tube 107 is generated
Be conducted to heating roller 1011, the graphene thermal coefficient in nano heat-conductive material is high, is conducive to produce the first electric heating tube 107
Raw heat is quickly conducted to heating roller 1011.
In a specific Highly Effective formula heating roller embodiment of the invention, including heating roller 1011 and the first electric heating tube
107, the second electric heating tube of both ends of the surface 108, temperature transducer 105 and conducting slip ring 101, wherein the first electric heating tube 107 is installed
In heating roller 1011 in the equally distributed collar aperture of roll surface, there are conjunctions for the mounting hole of electric heating tube 107 and heating roller 1011
Suitable gap is filled with efficient nano Heat Conduction Material 106 in gap, in order to realize the real-time control for heating tube temperature,
Uniformly alternate distributing installation has temperature transducer 105 between the Kong Yukong of the equally distributed installation heating tube of roll surface, will add
Heat, temperature control have been integrated in heating roller, and for the first electric heating tube 107 by stringent sorting, each resistance, heating power are complete
Unanimously, the heat that equally distributed electric heating tube 107 generates electrical heating passes through the efficient nano Heat Conduction Material containing graphene
106 are uniformly conducted to heating roller, are effectively guaranteed the consistency of roll surface heating temperature, while temperature transducer 105 is installed
In heating roller 1011, detection be roll surface actual temperature rather than the temperature of conduction oil, roll surface temperature control it is more acurrate.
In a specific embodiment of the invention, the second electric heating tube 108 is the second electric heating tube 108, passes through conducting wire
1010 connect with conducting slip ring 101, and conducting wire 1010 is arranged in heating roller 1011, and 1011 end face of heating roller is concentric installs, the
The heating power of 2 heating tubes and heating time are relative to the first electric heating tube 107 by electrical control cabinet independent control.
In a specific embodiment of the invention, the installation that is provided in 1011 both ends of the surface of heating roller between through hole
Hole, for installing temperature transducer 105, temperature transducer 105 is connected to by signal wire on conducting slip ring 101 mounting hole, letter
Number line is arranged in heating roller 1011.
Further include heating tube fixed plate 109 in a specific embodiment of the invention, heating tube is arranged in heating roller 1011
In both ends of the surface, the first electric heating tube 107, the second electric heating tube 108, temperature transducer 105 are fixed by heating tube fixed plate 109,
It is provided with the cable hole passed through for conducting wire 1010 and signal wire in heating roller 1011, the number in hole and through hole and mounting hole
Number matches, and 1011 shaft core position of heating roller is provided with blind hole, and blind hole is passed through for conducting wire 1010 and signal wire, ensures first
Heating tube, the second heating tube, temperature transducer 105, conducting wire 1010 and signal wire can together be rotated with heating roller 1011.
Further include the heat preservation being arranged in 1011 both ends of the surface of heating roller for heat preservation in a specific embodiment of the invention
Layer, insulating layer includes being arranged in the adiabator layer 103 on temperature transducer 105 and electric heating tube surface and for protecting thermal insulating material
The heat-preservation guard shield 104 of the bed of material 103.
In a specific embodiment of the invention, if being provided with dry contact annulus 1013 on conducting slip ring 101, contact annulus
1013 numbers are arranged corresponding to electric heating tube and 105 number of temperature transducer, and brush 1012 is provided on conducting slip ring 101, electricity
1012 setting corresponding to contact annulus 1013 of brush, brush 1012 are electrically connected with electrical control cabinet, realize for electric heating tube and survey
The control of temperature sensor 105.
In a specific Highly Effective formula heating roller embodiment of the invention, roll both ends of the surface are also equipped with the second electrical heating
Pipe 108, the first electric heating tube 107, the second electric heating tube 108 and temperature transducer 105 are consolidated by the heating tube fixed plate 109 at both ends
It is fixed；The signal wire 102 of the power cord 1010 and temperature transducer 105 of first electric heating tube 107 and the first electric heating tube 108 passes through
Orthogonal hole is connected on conducting slip ring 101 on heating roller, and the first electrical heating of heating roller is made using conducting slip ring structure
Pipe 107 and the second electric heating tube 108 can obtain electric power while being rotated with heating roller by conducting slip ring 101, and thermometric passes
While sensor 105 is rotated with heating roller, detection signal can be fed back by conducting slip ring 101, is realized by electrical control cabinet
Temperature control to heating roller.The design is compact-sized, and the replacement reconditioning of heating roller can be completed after dismounting conducting slip ring 101,
It is easy to operate.
The control method of Highly Effective formula heating roller 1011 provided by the invention is as follows：
The roll surface temperature that step 1. temperature transducer 105 detects passes through signal wire and conducting slip ring 101 as feedback signal
It is transmitted in electrical control cabinet；
If the roll surface temperature that step 2. is fed back is low and electrical control cabinet setting value, electrical control cabinet pass through conducting slip ring 101
Control the work of the first heating tube with conducting wire 1010, by control the first heating tube heating power and heating time by heating roller
1011 are heated to set temperature, and by the temperature of the guarantee of work heating roller 1011 of electric heating tube interval smaller range ±
Change in 1 DEG C, to make roll surface temperature tend to be constant；
For step 3. during step 2 carries out, electrical control cabinet controls the work of the second electric heating tube 108, for heating
The compensation heating of 1011 both ends of the surface of roller, 108 heating power of the second electric heating tube and heating time are only relative to the first electric heating tube 107
Vertical control, it is ensured that roll surface effectively uses heating temperature in width consistent.
In a specific Highly Effective formula heating roller embodiment of the invention, Highly Effective formula heating roller is powering on
Afterwards, the first electric heating tube 107, the second electric heating tube 108 and temperature transducer 105 are rotated together with heating roller, the first electrical heating
The signal wire 102 that pipe 107, the power cord 1010 of the second electric heating tube 108 and temperature transducer 105 detect passes through conducting slip ring
101 are connected on electrical control cabinet, and the heating power of the first electric heating tube 107 and the second electric heating tube 108 controls respectively, heating
Power, heating time or heating temperature are used as feedback signal by the roll surface temperature that temperature transducer 105 detects, and pass through electric-controlled
Cabinet control processed.By installing the efficient nano Heat Conduction Material 106 filled in interporal lacuna after the heating of first electric heating tube 107, will add
Hot-rolling 1011 is uniformly heated to set temperature, and passes through the guarantee of work heating roller 1011 of 107 interval of the first electric heating tube
Temperature changes in smaller range ± 1 DEG C, to make roll surface temperature tend to be constant.
1011 both ends of heating roller are equipped with the second heating tube 108 of end face temperature compensation, and the second heating tube 108 is generally annular
Heating tube, heating power and heating time independent control can effectively solve roll both ends because opposite heat dissipation area is larger, heat dissipation
Comparatively fast, the problem of roll surface is effectively narrowed using width, to ensure that roll surface effectively uses the consistency of heating temperature in width.Both
The problems such as there is no the leakage of oil of conventional heating roller separate heater and connected jointed tubular workpieces, oil vapour pollutions, and reduce external connection and add
Hot systems scattering losses.
So far, although those skilled in the art will appreciate that present invention has been shown and described in detail herein multiple shows
Example property embodiment still without departing from the spirit and scope of the present invention, still can according to the present disclosure directly
Determine or derive many other variations or modifications consistent with the principles of the invention.Therefore, the scope of the present invention is understood that and recognizes
It is set to and covers other all these variations or modifications.
Claims (10)
1. a kind of Highly Effective formula heating roller, which is characterized in that
Including heating roller and electric heating tube, temperature transducer, conducting slip ring and electrical control cabinet, installation is useful in the heating roller
In the electric heating tube for heating the heating roller, the heating roller both sides are provided with the temperature transducer for detecting temperature, described
Heating roller one end is provided with the conducting slip ring for powering to the electric heating tube, the electric heating tube and conducting slip ring electricity
Connection, the temperature sensor are electrically connected with the conducting slip ring, and the conducting slip ring is electrically connected with the electrical control cabinet.
2. Highly Effective formula heating roller according to claim 1, which is characterized in that
Several through holes for running through the heating roller from length direction are provided on the heating roller, the through hole uniformly divides
Cloth is arranged on the heating roller cross section.
3. Highly Effective formula heating roller according to claim 2, which is characterized in that
The electric heating tube includes the first electric heating tube being mounted in the through hole and is arranged in the heating roller both ends of the surface
For the second electric heating tube of temperature-compensating, first electric heating tube is installed in the through hole, with the conducting slip ring
It is connected by conducting wire, Heat Conduction Material is filled between first heating tube and the through hole.
4. Highly Effective formula heating roller according to claim 3, which is characterized in that
The Heat Conduction Material is the nano heat-conductive material containing graphene, and nano heat-conductive material is in first electric heating tube and institute
It states and forms heat conduction network between through hole, even heat that first electric heating tube generates is conducted to the heating roller,
Graphene thermal coefficient in the nano heat-conductive material is high, and it is quick to be conducive to the heat for generating first electric heating tube
It is conducted to the heating roller.
5. Highly Effective formula heating roller according to claim 4, which is characterized in that
Second electric heating tube is the second electric heating tube, is connect with the conducting slip ring by conducting wire, and the conducting wire setting exists
In the heating roller, and the heating roller end face is concentric installs, the heating power and heating time phase of the second point heating tube
For first electric heating tube by the electrical control cabinet independent control.
6. Highly Effective formula heating roller according to claim 5, which is characterized in that
The mounting hole being provided in the heating roller both ends of the surface between the through hole, the mounting hole are described for installing
Temperature transducer, the temperature transducer are connected to by signal wire on the conducting slip ring, and the signal wire is arranged described
In heating roller.
7. Highly Effective formula heating roller according to claim 6, which is characterized in that
Further include heating tube fixed plate, the heating tube is arranged in the heating roller both ends of the surface, first electric heating tube, institute
State the second electric heating tube, the temperature transducer is fixed by the heating tube fixed plate, be provided in the heating roller for institute
State the cable hole that conducting wire and the signal wire pass through, the number phase of the number and the through hole and the mounting hole in the hole
Match, the heating roller shaft core position is provided with blind hole, and the blind hole is passed through for the conducting wire and the signal wire, described in guarantee
First heating tube, second heating tube, the temperature transducer, the conducting wire and the signal wire can be with heating rollers together
Rotation.
8. the rate-determining steps of Highly Effective formula heating roller according to claim 7, which is characterized in that further include that setting is adding
Insulating layer of the hot-rolling both ends of the surface for heat preservation, the insulating layer include being arranged in the temperature transducer and the electric heating tube table
The adiabator layer in face and heat-preservation guard shield for protecting the adiabator layer.
9. Highly Effective formula heating roller according to claim 1, which is characterized in that
If being provided with dry contact annulus on the conducting slip ring, the contact annulus number is corresponding to the electric heating tube and described
Temperature transducer number is arranged, and is provided with brush on the conducting slip ring, the brush is corresponding to the contact annulus to be arranged, institute
It states brush to be electrically connected with the electrical control cabinet, realizes the control for the electric heating tube and the temperature transducer.
10. according to the control method of any Highly Effective formula heating roller of claim 1~9, which is characterized in that
The roll surface temperature that temperature transducer described in step 1. detects is sliding by the signal wire and the conduction as feedback signal
Ring is transmitted in the electrical control cabinet；
If the roll surface temperature of the step 2. temperature transducer feedback is low and electrical control cabinet setting value, the electrical control cabinet are logical
It crosses the first heating tube described in the conducting slip ring and the polygon control survey to work, by the heating work(for controlling first heating tube
Heating roller is heated to set temperature by rate and heating time, and is existed by the temperature of the guarantee of work heating roller of electric heating tube interval
Change in smaller range ± 1 DEG C, to make roll surface temperature tend to be constant；
For step 3. during step 2 carries out, the electrical control cabinet controls the second electric heating tube work, for heating
The compensation heating of roller both ends of the surface, the second electric heater for heating power and heating time are relative to first electric heating tube independence
Control, it is ensured that roll surface effectively uses heating temperature in width consistent.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810952192.4A CN108770100A (en) | 2018-08-21 | 2018-08-21 | A kind of Highly Effective formula heating roller and its control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810952192.4A CN108770100A (en) | 2018-08-21 | 2018-08-21 | A kind of Highly Effective formula heating roller and its control method |
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| Publication Number | Publication Date |
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| CN108770100A true CN108770100A (en) | 2018-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810952192.4A Pending CN108770100A (en) | 2018-08-21 | 2018-08-21 | A kind of Highly Effective formula heating roller and its control method |
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| Country | Link |
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| CN (1) | CN108770100A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112954832A (en) * | 2021-01-29 | 2021-06-11 | 海宁市华佳印刷机械制造有限公司 | Closed internal heating electric heating roller |
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