CN113600450A - Tunnel type oven for transformer - Google Patents
Tunnel type oven for transformer Download PDFInfo
- Publication number
- CN113600450A CN113600450A CN202110781984.1A CN202110781984A CN113600450A CN 113600450 A CN113600450 A CN 113600450A CN 202110781984 A CN202110781984 A CN 202110781984A CN 113600450 A CN113600450 A CN 113600450A
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- heating pipe
- transformer
- pipe branch
- heating
- box
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- 238000010438 heat treatment Methods 0.000 claims abstract description 161
- 238000009413 insulation Methods 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims description 3
- 239000013307 optical fiber Substances 0.000 claims description 2
- 230000006978 adaptation Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000005265 energy consumption Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 5
- 239000012212 insulator Substances 0.000 description 3
- 239000003973 paint Substances 0.000 description 3
- 230000011218 segmentation Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 229920001875 Ebonite Polymers 0.000 description 1
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
- B05D3/0254—After-treatment
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- Tunnel Furnaces (AREA)
Abstract
The invention discloses a tunnel type oven for a transformer, which relates to the technical field of transformer production equipment and comprises a box body; the conveying line in the box is arranged in the box body; the two conveying lines outside the box are arranged at two ends of the box body and are respectively aligned with the input end and the output end of the conveying line inside the box; and the heating device is arranged in the box body and comprises a first heating pipe branch and a second heating pipe branch which are independently controlled, the first heating pipe branch and the second heating pipe branch respectively comprise a plurality of heating pipe units which are controlled in a segmented mode and electrically connected, each heating pipe unit comprises a plurality of heating pipes which are arranged at intervals, and the heating pipes of the first heating pipe branch and the second heating pipe branch are arranged in a staggered mode. The transformer tunnel type oven in the application can save cost and reduce energy consumption.
Description
Technical Field
The invention relates to the technical field of transformer production equipment, in particular to a tunnel type oven for a transformer.
Background
In the process of transformer production, need utilize the oven to toast the ebonite and the flexible glue of the fixed magnetic core of center pillar and solenoid, the conducting resin that plays the effect of switching on and the insulating paint of fixed and insulating effect of solenoid. However, the conventional oven is cabinet type, and the cabinet type oven cannot be operated circularly due to small volume, so that the conventional oven is not suitable for automatic production.
In order to solve the above problems, there is a new generation of tunnel type oven. The tunnel type oven can realize that the transformer enters and exits at the same time, has higher efficiency and is very suitable for automatic production.
But the tunnel oven loses heat quickly because it is not closed. And the straight-through power supply mode adopted at present has large power waste and can bring greater economic pressure to users.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a transformer tunnel type oven which can save cost and reduce energy consumption.
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows:
a transformer tunnel oven comprising:
a box body;
the in-box conveying line is arranged in the box body;
the two conveying lines outside the box body are arranged at the two ends of the box body and are respectively aligned with the input end and the output end of the conveying line inside the box body; and
heating device, it sets up in the box, heating device includes independent control's first heating pipe branch road and second heating pipe branch road, first heating pipe branch road and second heating pipe branch road all include the heating pipe unit of a plurality of segment control and electricity connection, every the heating pipe unit includes the heating pipe that many intervals set up, just the heating pipe of first heating pipe branch road and second heating pipe branch road sets up in a crisscross way.
In some embodiments, each heating tube unit of the first heating tube branch and the second heating tube branch comprises two connected heating tube groups, and each heating tube group comprises two heating tubes arranged at an interval.
In some embodiments, the first heating pipe branch and the second heating pipe branch each include a frequency voltage regulator to control voltage surge during heating.
In some embodiments, a cover plate for dividing the box body into a first cavity and a second cavity is arranged in the box body;
the heating device is positioned in the first cavity and is fixed above the cover plate;
the conveying line in the box is located below the cover plate and fixed in the second cavity.
In some embodiments, the tunnel oven further comprises a first heat insulator disposed at the entrance of the in-box conveyor line, and a second heat insulator disposed at a predetermined distance from the entrance of the in-box conveyor line, wherein the first and second heat insulators and the box body form a sealed cavity, and a plurality of air blowers are disposed in the sealed cavity.
In some embodiments, the first and second thermal insulation members each comprise two layers of insulating curtains.
In some embodiments, the number of the gate fans is three.
In some embodiments, the two out-of-box conveyor lines include the same number of multiple spaced apart belt conveyor lines.
In some embodiments, the in-box conveying line is a chain conveying line, and a plurality of snap rings are arranged on each conveying pipe of the chain conveying line at preset intervals so as to be matched with the width of the belt conveying line.
In some embodiments, the end of the out-of-box transport line at the output end of the in-box transport line is further provided with a fiber optic sensor.
Compared with the prior art, the invention has the advantages that:
the tunnel type oven for the transformer comprises a heating device, wherein the heating device comprises a first heating pipe branch and a second heating pipe branch which are independently controlled, the first heating pipe branch and the second heating pipe branch respectively comprise a plurality of heating pipe units which are controlled in a segmented mode and are electrically connected, each heating pipe unit comprises a plurality of heating pipes which are arranged at intervals, and the heating pipes of the first heating pipe branch and the second heating pipe branch are arranged in a staggered mode. Because first heating pipe branch road and second heating pipe branch road are independent control, the two can open and close alone, in addition, first heating pipe branch road and second heating pipe branch road are by the heating pipe unit constitution of segmentation control to first heating pipe branch road and second heating pipe branch road all include frequency voltage adjusting device to control voltage impact in the heating process. By adopting the connection mode of the first heating pipe branch and the second heating pipe branch in the embodiment, the heat balance of the baking area can be effectively ensured. And the load is increased by adopting segmented overlapping in the thermal process, and the voltage impact in the heating process is reduced by adjusting the frequency and the voltage of the load, so that the effect of reducing the energy consumption is achieved.
Drawings
FIG. 1 is a schematic diagram of a transformer tunnel oven according to an embodiment of the present invention;
FIG. 2 is an enlarged view of a portion of area A of FIG. 1;
fig. 3 is a front view of a transformer tunnel oven in an embodiment of the present invention.
In the figure: the device comprises a box body 1, a first cavity 11, a second cavity 12, a cover plate 13, a heating pipe 14, a brake fan 2, a belt conveyor line 3 and a chain conveyor line 4.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Referring to fig. 1 to 3, an embodiment of the present invention provides a transformer tunnel oven, which includes an oven body 1, an in-oven conveyor line, two out-of-oven conveyor lines, and a heating device.
Wherein the incasement transfer chain sets up in box 1, and two outbox transfer chains set up at the both ends of box 1 to align the setting with the input and the output of incasement transfer chain respectively.
As a preferred embodiment, the two out-of-box conveying lines in the present embodiment include the same number of a plurality of belt conveying lines 3 arranged at intervals. In fig. 1, each of the two out-of-box conveying lines includes five belt conveying lines 3, and it is understood that the number of the belt conveying lines 3 may be appropriately selected according to the width of the dish product manufacturing tool, for example, one or more belt conveying lines 3 may be appropriately increased or decreased.
Simultaneously, the incasement transfer chain is chain transfer chain 4, and chain transfer chain 4 in this embodiment adopts the snap ring fixed according to the width of entry belt transfer chain 3 on every conveying pipe of chain transfer chain 4 to form fixed width, thereby make the width of entry belt transfer chain 3 unanimous with the width of chain transfer chain 4 snap ring, fixed the product interval, increase the hot-blast circulation in the oven, reduce the toasting time.
It should be noted that, in this embodiment, in order to implement unmanned operation in conjunction with an automatic transformer production line, the belt conveyor line 3 is added at the entrance and exit of the tunnel oven, and the running speed is reduced by the speed reducer, so that the belt conveyor line 3 is always running. The whole plate product is placed on the belt conveyor line 3, and the belt conveyor line 3 can automatically convey the whole plate product to the chain conveyor line 4 in the tunnel type oven box body 1.
In addition, the tail end of the conveying line outside the box, which is positioned at the output end of the conveying line inside the box, is also provided with an optical fiber sensor, so that a worker is reminded of the baked product to come out, and the labor intensity of operators is reduced.
In order to solve the problem that the power waste is large in the prior art and great economic pressure is brought to a user. Heating device in this embodiment sets up in box 1, and heating device includes independent control's first heating pipe branch road and second heating pipe branch road, and first heating pipe branch road and second heating pipe branch road all include the heating tube unit of a plurality of segment control and electricity connection, and every heating tube unit includes the heating tube of many intervals settings, and the heating tube of first heating pipe branch road and second heating pipe branch road sets up in the crisscross way.
In a specific implementation, each heating tube unit of the first heating tube branch and the second heating tube branch comprises two connected heating tube groups, and each heating tube group comprises two heating tubes 14 arranged at an interval. For example, the first heat-generating pipe branch includes heat-generating pipes numbered 1, 3, 5, 7, 9, 11, 13, and 15, and the second heat-generating pipe branch includes heat-generating pipes numbered 2, 4, 6, 8, 10, 12, 14, and 16. It can be seen that the heating pipes of the first heating pipe branch and the second heating pipe branch are arranged in a staggered manner. A heating pipe unit of the first heating pipe branch comprises two groups of heating pipe groups, the first group of heating pipe groups comprises a No. 1 heating pipe and a No. 3 heating pipe which are connected, and the second group of heating pipe groups comprises a No. 5 heating pipe and a No. 7 heating pipe which are connected. The two sets of heat transfer tube banks are then connected together. Similarly, the two heating tube groups of the other heating tube unit of the first heating tube branch respectively comprise a No. 9 heating tube, a No. 11 heating tube, a No. 13 heating tube and a No. 15 heating tube. It is also worth mentioning that the two heating tube units of the first heating tube branch are controlled in sections, i.e. are independent of each other. That is to say, when needing to heat, the heating tube unit of first heating tube branch road is opened by stage, can effectively avoid opening the problem that brings simultaneously. The distribution of the second heating tube branches is also similar, and is not described herein.
It can be understood that, because the first heating pipe branch and the second heating pipe branch are independently controlled, the first heating pipe branch and the second heating pipe branch can be independently opened and closed, and only the first heating pipe branch can be opened or only the second heating pipe branch can be started or both the first heating pipe branch and the second heating pipe branch can be opened according to needs, and the temperatures to be heated can be specifically determined according to needs.
In addition, it is worth to be noted that the first heating pipe branch and the second heating pipe branch both include a frequency voltage adjusting device to control voltage impact in the heating process.
By adopting the connection mode of the first heating pipe branch and the second heating pipe branch in the embodiment, the heat balance of the baking area can be effectively ensured. And the load is increased by adopting segmented overlapping in the thermal process, and the voltage impact in the heating process is reduced by adjusting the frequency and the voltage of the load, so that the effect of reducing the energy consumption is achieved.
In addition, in a specific implementation, a cover plate 13 is arranged in the box body 1 and divides the box body 1 into a first cavity 11 and a second cavity 12, and the heating device is positioned in the first cavity 11 and fixed above the cover plate 13. The in-box delivery line is located below the cover plate 13 and is fixed in the second chamber 12.
The heating process is in a traditional mode, when a product enters an oven, a low-temperature preheating mode needs to be set firstly, then the product is heated to 120 ℃ and baked for about 1.5 hours. In order to reduce a low-temperature preheating zone and to bake the produced products to meet the requirements of electrical property and appearance, the tunnel oven for the transformer in the embodiment further comprises a first heat insulation piece arranged at the inlet of the conveying line in the oven and a second heat insulation piece arranged at a preset distance from the inlet of the conveying line in the oven, wherein the first heat insulation piece and the second heat insulation piece form a sealed cavity with the oven body 1, and a plurality of gate fans 2 are arranged in the sealed cavity.
In concrete realization, 3 entry play at the belt conveyor line establish two-layer thermal-insulated curtain, also establish two-layer thermal-insulated curtain in chain conveyor line 1 meters department to produce the sealed space of a 1 meters length, install three floodgate fan 2 above this space, three floodgate fan 2 can weather the paint on product surface, and unnecessary paint blows away, and the product can directly access 120 degrees baking area, and the product surface neither has the oil stain, does not have the bubble again. Therefore, the automatic production is realized by matching with the front-section equipment, and the energy consumption is reduced.
In summary, the tunnel oven for the transformer in the invention comprises a heating device, the heating device comprises a first heating pipe branch and a second heating pipe branch which are independently controlled, the first heating pipe branch and the second heating pipe branch respectively comprise a plurality of heating pipe units which are controlled in a segmented manner and are electrically connected, each heating pipe unit comprises a plurality of heating pipes which are arranged at intervals, and the heating pipes of the first heating pipe branch and the second heating pipe branch are arranged in a staggered manner. Because first heating pipe branch road and second heating pipe branch road are independent control, the two can open and close alone, in addition, first heating pipe branch road and second heating pipe branch road are by the heating pipe unit constitution of segmentation control to first heating pipe branch road and second heating pipe branch road all include frequency voltage adjusting device to control voltage impact in the heating process. By adopting the connection mode of the first heating pipe branch and the second heating pipe branch in the embodiment, the heat balance of the baking area can be effectively ensured. And the load is increased by adopting segmented overlapping in the thermal process, and the voltage impact in the heating process is reduced by adjusting the frequency and the voltage of the load, so that the effect of reducing the energy consumption is achieved.
In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It is noted that, in the present application, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A transformer tunnel oven, comprising:
a box body (1);
the in-box conveying line is arranged in the box body (1);
the two conveying lines outside the box body (1) are arranged at two ends of the box body and are respectively aligned with the input end and the output end of the conveying line inside the box body; and
heating device, it sets up in box (1), heating device includes independent control's first heating pipe branch road and second heating pipe branch road, first heating pipe branch road and second heating pipe branch road all include the heating pipe unit of a plurality of segment control and electricity connection, every the heating pipe unit includes the heating pipe of many intervals settings, just the heating pipe of first heating pipe branch road and second heating pipe branch road sets up in a crisscross way.
2. The transformer tunnel oven of claim 1, wherein: each heating pipe unit of the first heating pipe branch and the second heating pipe branch comprises two groups of connected heating pipe groups, and each group of heating pipe groups comprises two heating pipes (14) arranged at intervals.
3. The transformer tunnel oven of claim 1, wherein: the first heating pipe branch and the second heating pipe branch both comprise frequency and voltage adjusting devices so as to control voltage impact in the heating process.
4. The transformer tunnel oven of claim 1, wherein: a cover plate (13) which divides the box body (1) into a first cavity (11) and a second cavity (12) is arranged in the box body (1);
the heating device is positioned in the first cavity (11) and is fixed above the cover plate (13);
the conveying line in the box is located below the cover plate (13) and fixed in the second cavity (12).
5. The transformer tunnel oven of claim 4, wherein: the tunnel oven of transformer is still including setting up the first heat insulating part of incasement transfer chain entrance to and set up and be in the distance the second heat insulating part of distance is predetermine to incasement transfer chain entrance, first heat insulating part and second heat insulating part with box (1) forms a sealed chamber, just be equipped with a plurality of floodgate fans (2) in the sealed chamber.
6. The transformer tunnel oven of claim 5, wherein: the first and second insulation members each comprise two layers of insulation curtains.
7. The transformer tunnel oven of claim 5, wherein: the number of the gate fans (14) is three.
8. The transformer tunnel oven of claim 1, wherein: two the case outer conveying line includes belt conveyor line (3) that many intervals of the same quantity set up.
9. The transformer tunnel oven of claim 8, wherein: the incasement transfer chain is chain transfer chain (4), be provided with a plurality of snap rings according to predetermineeing interval distance on every conveying pipe of chain transfer chain, with the width adaptation of belt transfer chain.
10. The transformer tunnel oven of claim 1, wherein: and the tail end of the conveying line outside the box, which is positioned at the output end of the conveying line inside the box, is also provided with an optical fiber sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110781984.1A CN113600450A (en) | 2021-07-09 | 2021-07-09 | Tunnel type oven for transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110781984.1A CN113600450A (en) | 2021-07-09 | 2021-07-09 | Tunnel type oven for transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113600450A true CN113600450A (en) | 2021-11-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110781984.1A Pending CN113600450A (en) | 2021-07-09 | 2021-07-09 | Tunnel type oven for transformer |
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| Country | Link |
|---|---|
| CN (1) | CN113600450A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201757565U (en) * | 2010-07-30 | 2011-03-09 | 广州环亚化妆品科技有限公司 | Oven device |
| CN204757603U (en) * | 2015-06-12 | 2015-11-11 | 四川晟大鑫兴电子有限公司 | Circuit board fast drying continuous tunnel furnace |
| CN204795878U (en) * | 2015-06-12 | 2015-11-18 | 四川晟大鑫兴电子有限公司 | Tunnel dry -off oven with cooling function |
| CN108562150A (en) * | 2018-02-11 | 2018-09-21 | 广州市嘉艺电子薄膜开关有限公司 | A kind of tunnel drier |
| CN210773376U (en) * | 2019-10-28 | 2020-06-16 | 海目星激光智能装备（江苏）有限公司 | Preheating tunnel furnace equipment |
| CN213000993U (en) * | 2020-06-22 | 2021-04-20 | 无锡富来特电子有限公司 | Tunnel heat regeneration system for drying transformer |
| CN213454766U (en) * | 2020-09-04 | 2021-06-15 | 珠海市晶宸科技有限公司 | Tunnel type drying equipment |
-
2021
- 2021-07-09 CN CN202110781984.1A patent/CN113600450A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201757565U (en) * | 2010-07-30 | 2011-03-09 | 广州环亚化妆品科技有限公司 | Oven device |
| CN204757603U (en) * | 2015-06-12 | 2015-11-11 | 四川晟大鑫兴电子有限公司 | Circuit board fast drying continuous tunnel furnace |
| CN204795878U (en) * | 2015-06-12 | 2015-11-18 | 四川晟大鑫兴电子有限公司 | Tunnel dry -off oven with cooling function |
| CN108562150A (en) * | 2018-02-11 | 2018-09-21 | 广州市嘉艺电子薄膜开关有限公司 | A kind of tunnel drier |
| CN210773376U (en) * | 2019-10-28 | 2020-06-16 | 海目星激光智能装备（江苏）有限公司 | Preheating tunnel furnace equipment |
| CN213000993U (en) * | 2020-06-22 | 2021-04-20 | 无锡富来特电子有限公司 | Tunnel heat regeneration system for drying transformer |
| CN213454766U (en) * | 2020-09-04 | 2021-06-15 | 珠海市晶宸科技有限公司 | Tunnel type drying equipment |
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Application publication date: 20211105 |