CN211926354U - A electric heating formula dryer structure for repacking - Google Patents
A electric heating formula dryer structure for repacking Download PDFInfo
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- CN211926354U CN211926354U CN202020637247.5U CN202020637247U CN211926354U CN 211926354 U CN211926354 U CN 211926354U CN 202020637247 U CN202020637247 U CN 202020637247U CN 211926354 U CN211926354 U CN 211926354U
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- electric heating
- dryer
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Abstract
The utility model discloses an electrothermal dryer structure for repacking, including the dryer body, the both ends of dryer body are relatively installed with initiative cylinder cap, passive cylinder cap, initiative transmission gear and passive transmission gear, the axial equipartition has the electric heating pipe of U-shaped on the dryer body inner wall, the both ends of electric heating pipe are equipped with the electric connection device respectively, the inboard of initiative cylinder cap and passive cylinder cap is fixedly connected with pipe end fixing device respectively, the surface of electric heating pipe is equipped with the heat-proof device that is connected with the dryer body, install the electric energy input device on the passive transmission gear; introduce and change external electric energy into heat energy through electric connector and electric energy input device, realize the reuse of dryer body, pipe end fixing device can prevent that electric heating pipe from producing the drunkenness in the axial of dryer body in the use, still makes electric heating pipe both ends keep away from the dryer body so that the wiring, and this device has realized the reuse of old and useless dryer, helps practicing thrift manufacturing cost.
Description
Technical Field
The utility model relates to a dryer technical field especially relates to an electric heat formula dryer structure for repacking.
Background
The dryer is the hollow cylinder who has the lid at both ends that makes with cast iron, comprises the cylinder body and the cylinder cap at both ends, and the external diameter can be according to application or production scale free adjustment, but in order to guarantee its stoving effect and efficiency, mostly is 1000 ~ 3000mm for the material that the stoving was carried, mainly used weaving, technical field such as papermaking. If the drying cylinders used in the field of papermaking are mostly steam drying cylinders, when the cylinder body works, on one hand, the drying cylinders are required to bear larger working pressure, on the other hand, the outer surfaces of the cylinder bodies are uneven along with the lengthening of working time, in order to ensure the product quality and reduce the generation cost to the maximum extent, the drying cylinders are required to be ground and then continuously used, after repeated treatment for several times, the wall thickness of the drying cylinders is greatly reduced, generally, when the wall thickness of the drying cylinders is lower than 15mm or 20mm (specifically determined according to the steam pressure inside the drying cylinders during working), in order to avoid the cylinder explosion phenomenon caused by overlarge working pressure, and meanwhile, in order to ensure the stability and the safety of the operation of a production line, the drying cylinders cannot be continuously used, and need to be replaced with new drying cylinders, so that the waste cylinders are large in amount and difficult to be recycled, the production cost of enterprises is, to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a realize the reuse of old and useless dryer is provided, extension dryer life, reduction in production cost's an electric heat formula dryer structure for repacking.
In order to solve the technical problem, the technical scheme of the utility model is that: a electric heating formula dryer structure for repacking, dryer body including the tube-shape, initiative cylinder cap and passive cylinder cap are installed relatively at dryer body's both ends, the axial equipartition has the electric heating pipe of U-shaped on the dryer body inner wall, electric heating pipe's both ends are equipped with electric connection device respectively, initiative cylinder cap with the inboard fixedly connected with pipe end fixing device respectively of passive cylinder cap, electric heating pipe is located dryer body inner chamber's surface be equipped with this body coupling's of dryer heat-proof device, the initiative cylinder cap is connected with initiative transmission, passive cylinder cap is connected with passive transmission, the last electric energy input device that installs of passive transmission, electric energy input device electricity is connected to electric connection device.
As the preferred technical scheme, both ends of the inner wall of the drying cylinder body are respectively provided with a raised installation ring platform, and the pipe end fixing device, the driving cylinder cover and the driven cylinder cover are installed and fixed on the corresponding installation ring platforms.
Preferably, the electric connecting device includes a terminal bolt disposed at an end of the electric heating tube, and a terminal connecting plate is interposed between two adjacent terminal bolts and electrically connected to the electric energy input device.
As a preferred technical scheme, the electric heating pipes are arranged in groups, the wiring connecting plates connected with the anodes of the electric heating pipes in the same group are sequentially connected in series, and one of the wiring connecting plates is detachably connected with a heat-resistant lead which is electrically connected to the electric energy input device; the wiring connecting plates connected with the negative electrodes of the electric heating pipes are sequentially connected in series, and one of the wiring connecting plates is detachably connected with a heat-resistant lead which is electrically connected to the electric energy input device.
As a preferred technical scheme, the driven transmission device comprises a driven half shaft with a hollow structure, and a driven support bearing is sleeved on the driven half shaft.
As a preferred technical scheme, the electric energy input device includes a slip ring current collector mounted at the end of the driven half shaft outside the driven cylinder cover, distributing plates are arranged on the inner surface of the driven cylinder cover and located at the periphery of the end of the driven half shaft, the connecting plates are electrically connected to the corresponding distributing plates through the heat-resistant wires, conductive copper bars are connected between each distributing plate and the slip ring current collector, and insulation supports are arranged between the distributing plates and the surface of the driven cylinder cover at intervals.
According to the preferable technical scheme, a temperature measuring couple is fixedly installed on the inner wall of the drying cylinder body, a couple wiring terminal is fixedly installed at the outer end penetrating through the driven half shaft, a couple electric wire is connected between the temperature measuring couple and the couple wiring terminal, and part of the couple electric wire is arranged in the hollow inner cavity of the driven half shaft.
According to a preferable technical scheme, the pipe end fixing device comprises pipe body fixing arc plates, the pipe body fixing arc plates are connected end to end and are arranged in an annular mode, and pipe body end containing grooves for fixing the ends of the electric heating pipes are arranged on the surfaces of the pipe body fixing arc plates.
As an improvement to the above technical solution, the heat insulation device includes a heat insulation plate that is fitted with the drying cylinder body and clamps the electric heating pipe, a plurality of pressure strip strips are arranged on the surface of the heat insulation plate along the circumferential direction of the drying cylinder body, and the pressure strip strips are fixedly connected to the inner wall of the drying cylinder body through bolts.
The improved electric heating type drying cylinder structure comprises a cylindrical drying cylinder body, wherein a driving cylinder cover and a driven cylinder cover are oppositely arranged at two ends of the drying cylinder body, U-shaped electric heating pipes are axially and uniformly distributed on the inner wall of the drying cylinder body, two ends of each electric heating pipe are respectively provided with an electric connecting device, pipe end fixing devices are respectively and fixedly connected to the inner sides of the driving cylinder cover and the driven cylinder cover, a heat insulation device connected with the drying cylinder body is arranged on the surface, located in an inner cavity of the drying cylinder body, of each electric heating pipe, the driving cylinder cover is connected with a driving transmission device, the driven cylinder cover is connected with a driven transmission device, an electric energy input device is arranged on each driven transmission device, and the electric energy input device is electrically connected to the; the utility model discloses following beneficial effect has: the dryer body that forms after using conduction oil or steam as the heat source to use sets up electric heating pipe in, cooperation through electric connection device and electric energy input device, introduce and change external electric energy into heat energy, heat the dryer body through the heat transfer, realize the reuse of dryer body, pipe end fixing device can form spacingly to electric heating pipe both ends, prevent that electric heating pipe from producing the drunkenness in the axial of dryer body in the use, and simultaneously, still make electric heating pipe both ends keep away from the dryer body so that the wiring, heat-proof device can prevent the heat energy that electric heating pipe produced to the inboard transmission of dryer body, avoid calorific loss, furthest improves heat utilization, this device has realized the reuse of old and useless dryer, help practicing thrift manufacturing cost.
Drawings
The drawings are only intended to illustrate and explain the present invention and do not limit the scope of the invention. Wherein:
fig. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;
FIG. 3 is a schematic view of the cross-sectional structure taken along the line B-B in FIG. 1;
FIG. 4 is an enlarged view of the end of the electric heating tube and the related part at C in FIG. 3;
fig. 5 is a schematic structural diagram of a wiring connection board according to an embodiment of the present invention;
fig. 6 is a schematic structural view of a pipe fixing arc plate according to an embodiment of the present invention;
in the figure: 1-a dryer body; 2, driving a cylinder cover; 3-a passive cylinder cover; 4, mounting a ring platform; 5-an electric heating tube; 6-a wiring bolt; 7-a wiring connecting plate; 8-heat resistant wire; 9-fixing the arc plate on the pipe body; 10-a pipe end holding groove; 11-a heat insulation plate; 12-a batten; 13-a driving half shaft; 14-active support bearings; 15-passive half-shaft; 16-passive support bearings; 17-slip ring current collector; 18-a copper conducting bar; 19-a splitter plate; 20-insulating support; 21-temperature measuring couple; 22-galvanic connection terminals; 23-Electrical coupling of electrical leads.
Detailed Description
The invention is further explained below with reference to the drawings and examples. In the following detailed description, certain exemplary embodiments of the present invention have been described by way of illustration only. Needless to say, a person skilled in the art will recognize that the described embodiments can be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and not intended to limit the scope of the claims.
As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the electric heating type drying cylinder structure for modification includes a cylindrical drying cylinder body 1, an active cylinder cover 2 and a passive cylinder cover 3 are installed at two ends of the drying cylinder body 1, two ends of the inner wall of the drying cylinder body 1 are respectively provided with a raised installation ring platform 4, the active cylinder cover 2 and the passive cylinder cover 3 are installed and fixed on the corresponding installation ring platform 4, and are respectively detachably connected through bolts, so as to realize the encapsulation of the internal components of the drying cylinder body 1.
The drying cylinder is characterized in that U-shaped electric heating pipes 5 are axially and uniformly distributed on the inner wall of the drying cylinder body 1, two ends of each electric heating pipe 5 are respectively provided with an electric connecting device, the inner sides of the driving cylinder cover 2 and the driven cylinder cover 3 are respectively and fixedly connected with a pipe end fixing device, the fixing devices can also be fixedly installed on the inner wall of the drying cylinder body 1, the pipe end fixing devices are fixedly installed on the corresponding mounting ring platforms 4, and the electric heating pipes 5 are connected with external electric energy through the electric connecting devices. Specifically, as shown in fig. 5, the electric connection device includes the terminal bolts 6 arranged at the ends of the electric heating tubes 5, a connection plate 7 is clamped between two adjacent terminal bolts 6, the electric heating tubes 5 are arranged in groups, and for convenience of connection with an external three-phase power supply lead, the number of the electric heating tubes 5 which can be equally divided into three groups is reasonable, for example, 75 or 60 electric heating tubes are arranged. In this embodiment, 75 electric heating tubes 5 are selected and arranged, the electric heating tubes 5 are equally divided into three groups, each group is provided with twenty-five electric heating tubes 5, and the electric heating tubes 5 in the same group are arranged in parallel.
In this embodiment, the wiring connection plates 7 connected to the positive electrodes of the electric heating tubes 5 in the same group are sequentially connected in series, and one of the wiring connection plates 7 is detachably connected to a heat-resistant wire 8; the negative electrodes of the electric heating pipes 5 are connected with the wiring connecting plates 7 which are sequentially connected in series, and one of the wiring connecting plates 7 is detachably connected with a heat-resistant lead 8.
The two ends of the electric heating pipes 5 extend towards the axis of the drying cylinder body 1 respectively, the connecting plate 7 at the positive end of the electric heating pipes 5 and the connecting plate 7 at the negative end of the electric heating pipes are arranged at the end parts of the electric heating pipes respectively in an annular mode through the electric connection mode of the electric heating pipes 5, and the connecting plate 7 is used for realizing the connection of the positive electrodes of the electric heating pipes 5 in the same group, so that the electric heating pipes 5 are arranged in parallel, and the defects that the whole drying effect is influenced and the dismounting and the maintenance are inconvenient due to the fact that one of the electric heating pipes 5 which are arranged in series in the prior art is damaged are overcome.
As shown in fig. 6, the pipe end fixing device includes pipe fixing arc plates 9, each of the pipe fixing arc plates 9 is connected end to end in an annular shape, and a pipe end receiving groove 10 for fixing an end of the electric heating pipe 5 is disposed on a surface of the pipe fixing arc plate 9. Because the electric heating tube 5 is a U-shaped structure, two bent ends of the electric heating tube 5 are respectively limited in the tube end holding groove 10 during assembly. In the using process, due to the arrangement mode of the two bent ends of the electric heating pipe 5, the electric heating pipe 5 can be prevented from axially moving, and the firmness of installation of the electric heating pipe 5 is improved.
The electric heating pipe 5 is located the surface of the inner cavity of the drying cylinder body 1 is provided with a heat insulation device connected with the drying cylinder body 1, the heat insulation device comprises a heat insulation plate 11 matched with the drying cylinder body 1 and clamping the electric heating pipe 5, a plurality of pressure strip strips 12 are arranged on the surface of the heat insulation plate 11 along the circumferential direction of the drying cylinder body 1, and the pressure strip strips 12 are fixedly connected to the inner wall of the drying cylinder body 1 through bolts. During processing, the electric heating pipes 5 need to be uniformly laid on the inner wall of the drying cylinder body 1, the pipe body fixing arc plates 9 are used for fixing, the heat insulation plates 11 are used for axially fixing and plugging the electric heating pipes 5, and finally the heat insulation plates 11 and the electric heating pipes 5 are pressed and fixed by the pressing plate strips 12. This embodiment summarizes heat insulating board 11 can set up to the quartz plate, can effectually avoid the heat of drying cylinder body 1 is inside diffusion, avoids calorific loss. The pressing strip 12 of the embodiment is of a sectional structure and is butted end to end, an annular pressing structure is formed in the drying cylinder body 1, and the pressing installation of the heat insulation plate 11 is realized.
The driving cylinder cover 2 is connected with a driving transmission device, and the driven cylinder cover 3 is connected with a driven transmission device. Wherein, initiative transmission is including running through the initiative semi-axis 13 that initiative cylinder cap 2 set up, the cover is equipped with initiative support bearing 14 on the initiative semi-axis 13, passive transmission includes hollow structure and runs through passive semi-axis 15 that passive cylinder cap 3 set up, the cover is equipped with passive support bearing 16 on the passive semi-axis 15. The driving half shaft 13 and the driven half shaft 15 realize the rotation driving of the drying cylinder body 1, and the driving support bearing 14 and the driven support bearing 16 play a role of auxiliary support.
An electric energy input device is arranged on the passive transmission device, the electric energy input device is electrically connected to the electric connection device, the wiring connection plate 7 is electrically connected to the electric energy input device, namely, the heat-resisting lead 8 is electrically connected to the electric energy input device. Specifically, the electric energy input device includes a slip ring current collector 17 mounted at the end of the driven half shaft 15 outside the driven cylinder cover 3, a distributing board 19 is arranged and mounted on the inner surface of the driven cylinder cover 3 and located at the periphery of the end of the driven half shaft 15, the connecting boards 7 are electrically connected to the corresponding distributing boards 19 through the heat-resistant wires 8, a conductive copper bar 18 is connected between each distributing board 19 and the slip ring current collector 17, and an insulating support 20 is arranged between each distributing board 19 and the surface of the driven cylinder cover 3 at intervals. Through the cooperation of the slip ring current collector 17, the conductive copper bar 18 and the distributing board 19, the safe input of external electric energy is realized. The slip ring current collector 17 is arranged in a three-phase four-wire system connection mode, so that the number of the conductive copper bars 18 is four, the number of the distributing plates 19 is correspondingly four, the distributing plates are uniformly distributed on the surface of the driven cylinder cover 3, each group of the electric heating tubes 5 divided into three groups is correspondingly connected to one distributing plate 19, and the negative electrode of each electric heating tube 5 is electrically connected to one distributing plate 19 connected with a central line.
In addition, a temperature measuring couple 21 is fixedly installed on the inner wall of the drying cylinder body 1, a couple wiring terminal 22 is fixedly installed at the outer end penetrating through the driven half shaft 15, a couple electric lead 23 is connected between the temperature measuring couple 21 and the couple wiring terminal 22, and part of the couple electric lead 23 is arranged in the hollow inner cavity of the driven half shaft 15. The temperature of the drying cylinder body 1 can be detected in real time through the temperature measuring couple 21, and a detection signal is transmitted to external equipment, so that the heating control of the drying cylinder body 1 is convenient to realize.
The utility model has the advantages of it is following:
1. the pipe body fixing arc plate 9 can be formed by cutting through a laser cutting machine, and the electric heating pipe 5 is tightly attached to the inner wall of the drying cylinder body 1 by adjusting the installation position of the pipe body fixing arc plate. In order to facilitate replacement of the damaged electric heating tubes 5, three to twelve electric heating tubes 5 can be fixed on each tube body fixing arc plate 9, so that the purposes of convenience in disassembly and rapidness in replacement are achieved, and in order to ensure the heating effect, the distance between the electric heating tubes 5 can be properly adjusted within the range of 50-80 mm.
2. The heat at the positions of 70-80 mm at the two ends of the electric heating pipe 5 is lower, so that the two ends of the electric heating pipe are folded into a 90-degree direct structure, and the two ends of the electric heating pipe are limited in the pipe body end containing groove 10, so that wiring and maintenance are facilitated.
3. The end part of the electric heating pipe 5 forms a chain type connection through the wiring connecting plate 7, so that the firmness of the installation of the electric heating pipe 5 is ensured, and the electric heating pipe is convenient to disassemble, assemble and maintain.
4. The drying cylinder body 1 is internally protected by a high-temperature-resistant quartz plate in a heat insulation manner, heat dissipation is prevented, heat energy is fully utilized to heat the cylinder body, and therefore surface heat dissipation is uniform and the heating effect is good.
5. The drying cylinder body 1 is totally closed through the driving cylinder cover 2 and the driven cylinder cover 3, so that the invasion of water and impurities is prevented, and a good protection effect is achieved.
Based on the structure and the advantages, the structure of the embodiment is particularly suitable for improving the thin old and useless cylinder, and realizes the recycling of the thin old and useless cylinder, but the structure is not limited to the improvement of the thin old and useless cylinder, and can also be improved and used on new drying cylinders purchased by various production enterprises.
The basic principles, main features and advantages of the present invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. A electric heat formula dryer structure for repacking, dryer body including the tube-shape, the both ends of dryer body are installed initiative cylinder cap and passive cylinder cap, its characterized in that relatively: the dryer comprises a dryer body and is characterized in that U-shaped electric heating pipes are axially and uniformly distributed on the inner wall of the dryer body, electric connecting devices are respectively arranged at two ends of each electric heating pipe, a pipe end fixing device is fixedly connected to the inner sides of an active cylinder cover and a passive cylinder cover respectively, each electric heating pipe is located on the surface of the inner cavity of the dryer body and is provided with a heat insulation device connected with the dryer body, the active cylinder cover is connected with an active transmission device, the passive cylinder cover is connected with a passive transmission device, an electric energy input device is installed on the passive transmission device, and the electric energy input device is.
2. The electrothermal cylinder structure for retrofitting as claimed in claim 1, wherein: the dryer comprises a drying cylinder body, wherein the drying cylinder body is provided with a plurality of mounting ring tables, the two ends of the inner wall of the drying cylinder body are respectively provided with a bulge, and the pipe end fixing device, the driving cylinder cover and the driven cylinder cover are fixedly arranged on the corresponding mounting ring tables.
3. The electrothermal cylinder structure for retrofitting as claimed in claim 2, wherein: the electric connecting device comprises a wiring bolt arranged at the end part of the electric heating pipe, a wiring connecting plate is clamped between every two adjacent wiring bolts and is electrically connected to the electric energy input device.
4. An electrothermal dryer cylinder construction for retrofitting as claimed in claim 3, wherein: the electric heating pipes are arranged in groups, the wiring connecting plates connected with the anodes of the electric heating pipes in the same group are sequentially connected in series, one wiring connecting plate is detachably connected with a heat-resistant lead, and the heat-resistant lead is electrically connected to the electric energy input device; the wiring connecting plates connected with the negative electrodes of the electric heating pipes are sequentially connected in series, and one of the wiring connecting plates is detachably connected with a heat-resistant lead which is electrically connected to the electric energy input device.
5. An electrothermal dryer cylinder construction for retrofitting according to claim 4, characterized in that: the passive transmission device comprises a passive half shaft with a hollow structure, and a passive support bearing is sleeved on the passive half shaft.
6. An electrothermal dryer cylinder construction for retrofitting according to claim 5, characterized in that: the electric energy input device comprises a slip ring current collector installed at the end part of the driven half shaft outside the driven cylinder cover, a distributing board is arranged and installed at the periphery of the end part of the driven half shaft on the inner surface of the driven cylinder cover, the wiring connecting boards are electrically connected to the corresponding distributing boards through the heat-resistant wires respectively, a conductive copper bar is connected between each distributing board and the slip ring current collector, and insulation supports are arranged at intervals between the distributing boards and the surface of the driven cylinder cover.
7. An electrothermal dryer cylinder construction for retrofitting according to claim 5, characterized in that: the dryer comprises a dryer body and is characterized in that a temperature measuring couple is fixedly mounted on the inner wall of the dryer body, a couple wiring terminal is fixedly mounted at the outer end penetrating through the driven half shaft, a couple electric wire is connected between the temperature measuring couple and the couple wiring terminal, and part of the couple electric wire is arranged in the hollow inner cavity of the driven half shaft.
8. An electrothermal dryer cylinder structure for retrofitting according to any of claims 1 to 7, characterized in that: the pipe end fixing device comprises pipe body fixing arc plates, the pipe body fixing arc plates are connected end to end and are arranged in an annular mode, and pipe body end containing grooves for fixing the ends of the electric heating pipes are arranged on the surfaces of the pipe body fixing arc plates.
9. The electrothermal cylinder structure for retrofitting according to claim 8, wherein: the heat insulation device comprises a heat insulation plate which is matched with the drying cylinder body and is used for clamping the electric heating pipe, a plurality of pressing plate strips are arranged on the surface of the heat insulation plate along the circumferential direction of the drying cylinder body, and the pressing plate strips are fixedly connected to the inner wall of the drying cylinder body through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020637247.5U CN211926354U (en) | 2020-04-24 | 2020-04-24 | A electric heating formula dryer structure for repacking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020637247.5U CN211926354U (en) | 2020-04-24 | 2020-04-24 | A electric heating formula dryer structure for repacking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211926354U true CN211926354U (en) | 2020-11-13 |
Family
ID=73328681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020637247.5U Expired - Fee Related CN211926354U (en) | 2020-04-24 | 2020-04-24 | A electric heating formula dryer structure for repacking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211926354U (en) |
-
2020
- 2020-04-24 CN CN202020637247.5U patent/CN211926354U/en not_active Expired - Fee Related
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Granted publication date: 20201113 |