阅读说明：本技术 一种热压机压板的双加热装置及方法 (Double-heating device and method for pressing plate of hot press ) 是由 王亚敏 孟宪乡 郭亚平 卢瑞芳 耿增浩 秦超 申旭 于 2020-06-08 设计创作，主要内容包括：本发明涉及一种热压机压板的双加热装置及方法,属于变压器制造技术领域。本发明的技术方案是：油炉电加热器(5)通过一号油炉(4)与热油泵(3)连接,导热油初始设置在油炉电加热器(5)中,电加热后经一号油炉(4)流至导热油通道；蒸汽热油交换器(7)一端通过蒸汽管道(8)与蒸汽控制阀(9)连接,二号油炉(6)和蒸汽热油交换器(7)另一端互相连接,导热油初始设置在蒸汽热油交换器(7)中,经蒸汽加热后经二号油炉(6)流至导热油通道。本发明用电或蒸汽对导热介质加热,导热介质再对压板再加热,本发明采用的导热介质为导热油,在冬季采暖季使用电热油炉加热,其他季节使用蒸汽加热,有效保证了热压质量及生产周期。(The invention relates to a double-heating device and a double-heating method for a pressing plate of a hot press, and belongs to the technical field of transformer manufacturing. The technical scheme of the invention is as follows: the oil furnace electric heater (5) is connected with the hot oil pump (3) through the first oil furnace (4), the heat conducting oil is initially arranged in the oil furnace electric heater (5), and flows to the heat conducting oil channel through the first oil furnace (4) after being electrically heated; one end of the steam-hot oil exchanger (7) is connected with the steam control valve (9) through a steam pipeline (8), the other ends of the second oil furnace (6) and the steam-hot oil exchanger (7) are connected with each other, heat conduction oil is initially arranged in the steam-hot oil exchanger (7), and flows to the heat conduction oil channel through the second oil furnace (6) after being heated by steam. The invention heats the heat-conducting medium by electricity or steam, and the heat-conducting medium heats the pressing plate again, the heat-conducting medium adopted by the invention is heat-conducting oil, an electric heating oil furnace is used for heating in winter, and steam is used for heating in other seasons, thereby effectively ensuring the hot-pressing quality and the production period.)

1. The utility model provides a two heating device of hot press clamp plate which characterized in that: the hot-press heating device comprises an electric heating oil furnace heating device, a steam heating device, a hot-press pressing plate (1), a metal hose (2) and a hot oil pump (3), wherein a pressing plate channel is arranged in the hot-press pressing plate (1), the pressing plate channel, the metal hose (2) and the hot oil pump (3) are sequentially connected to form a heat conduction channel, and the electric heating oil furnace heating device and the steam heating device are respectively connected with the heat conduction oil channel; the electric heating oil furnace heating device comprises a first oil furnace (4) and an oil furnace electric heater (5), wherein the oil furnace electric heater (5) is connected with a hot oil pump (3) through the first oil furnace (4), heat conduction oil is initially arranged in the oil furnace electric heater (5), and flows to a heat conduction oil channel through the first oil furnace (4) after electric heating; the steam heating device comprises a second oil furnace (6), a steam hot oil exchanger (7), a steam pipeline (8) and a steam control valve (9), one end of the steam hot oil exchanger (7) is connected with the steam control valve (9) through the steam pipeline (8), the other ends of the second oil furnace (6) and the steam hot oil exchanger (7) are connected with each other, heat conduction oil is initially arranged in the steam hot oil exchanger (7), and flows to a heat conduction oil channel through the second oil furnace (6) after being heated by steam.

2. The dual heating apparatus of a hot press platen of claim 1, wherein: and the hot-pressing device also comprises an oil outlet bag, one end of the oil outlet bag is connected with a pressing plate channel of the hot-pressing machine pressing plate (1), and the other end of the oil outlet bag is respectively connected with the oil furnace electric heater (5) and the steam hot oil exchanger (7).

3. A method for double heating of a press platen of a hot press using the double heating apparatus defined in claim 1 or 2, characterized by comprising the steps of: firstly, when steam heats heat conduction oil, a steam control valve is opened, the steam enters a steam hot oil exchanger through a steam pipeline to heat the heat conduction oil, the heated heat conduction oil sequentially flows into a pressing plate channel inlet of a pressing plate of a hot press through a second oil furnace, a hot oil pump and a metal hose, the heat conduction oil releases heat energy while flowing in the pressing plate channel to enable the temperature of the pressing plate of the hot press to rise, finally, the heat conduction oil flows out from the pressing plate channel outlet, the flowing heat conduction oil is collected into an oil outlet bag and then flows back to the steam hot oil exchanger (7), and the temperature of the pressing plate of the hot press rises to the set temperature of the process through reciprocating; secondly, when the electric furnace is used for heating the oil furnace, the electric heater of the oil furnace is started, heated heat conduction oil flows into an inlet of a pressing plate channel of a pressing plate of the hot press through the first oil furnace, the hot oil pump and the metal hose, the heat conduction oil releases heat energy while flowing in the pressing plate channel, so that the temperature of the pressing plate of the hot press rises, finally the heat conduction oil flows out from an outlet of the pressing plate channel, the flowing heat conduction oil is collected into an oil outlet bag and then flows back to the electric heater (5) of the oil furnace, and the temperature of the pressing plate of the hot press rises to the set temperature of the process.

Technical Field

The invention relates to a double-heating device and a double-heating method for a pressing plate of a hot press, and belongs to the technical field of transformer manufacturing.

Background

The hot press is needed to be used for pressing the laminated paper board in the manufacturing process of the transformer, the hot press which is used at present generally only uses steam to directly heat the hot press board through a pipeline in the hot press board, the influence of the steam on the heating mode is large, especially, the steam pressure in winter is low, so that the temperature of the hot press board is low, the hot pressing requirement cannot be met, and the pressing quality cannot be guaranteed.

Disclosure of Invention

The invention aims to provide a double-heating device and a double-heating method for a press plate of a hot press, wherein a heat-conducting medium is heated by electricity or steam and then heated by the heat-conducting medium.

The technical scheme of the invention is as follows: a double-heating device of a hot press pressing plate comprises an electric heating oil furnace heating device, a steam heating device, a hot press pressing plate, a metal hose and a hot oil pump, wherein a pressing plate channel is arranged in the hot press pressing plate, the pressing plate channel, the metal hose and the hot oil pump are sequentially connected to form a heat conduction channel, and the electric heating oil furnace heating device and the steam heating device are respectively connected with the heat conduction oil channel; the electric heating oil furnace heating device comprises a first oil furnace and an oil furnace electric heater, the oil furnace electric heater is connected with a hot oil pump through the first oil furnace, heat conducting oil is initially arranged in the oil furnace electric heater, and the heat conducting oil flows to a heat conducting oil channel through the first oil furnace after being electrically heated; the steam heating device comprises a second oil furnace, a steam hot oil exchanger, a steam pipeline and a steam control valve, wherein one end of the steam hot oil exchanger is connected with the steam control valve through the steam pipeline, the other ends of the second oil furnace and the steam hot oil exchanger are mutually connected, heat conduction oil is initially arranged in the steam hot oil exchanger, and flows to a heat conduction oil channel through the second oil furnace after being heated by steam.

The hot press further comprises an oil outlet bag, one end of the oil outlet bag is connected with a pressing plate channel of the hot press pressing plate, and the other end of the oil outlet bag is respectively connected with the oil furnace electric heater and the steam hot oil exchanger, so that the reciprocating circulation of the heat conducting oil is realized, and the temperature of the hot press pressing plate is increased to the process set temperature.

A dual heating method of a hot press platen comprises the following steps: firstly, when steam heats heat conduction oil, a steam control valve is opened, the steam enters a steam hot oil exchanger through a steam pipeline to heat the heat conduction oil, the heated heat conduction oil sequentially flows into a pressing plate channel inlet of a pressing plate of a hot press through a second oil furnace, a hot oil pump and a metal hose, the heat conduction oil releases heat energy while flowing in the pressing plate channel to enable the temperature of the pressing plate of the hot press to rise, finally, the heat conduction oil flows out from the pressing plate channel outlet, the flowing heat conduction oil is collected into an oil outlet bag and then flows back to the steam hot oil exchanger, and the temperature of the pressing plate of the hot press rises to the set temperature of the process through; secondly, when the electric furnace is used for heating the oil furnace, the electric heater of the oil furnace is started, heated heat conduction oil flows into an inlet of a pressing plate channel of a pressing plate of the hot press through the first oil furnace, the hot oil pump and the metal hose, the heat conduction oil releases heat energy while flowing in the pressing plate channel, so that the temperature of the pressing plate of the hot press rises, finally the heat conduction oil flows out from an outlet of the pressing plate channel, the flowing heat conduction oil is collected into an oil outlet bag and then flows back to the electric heater of the oil furnace, and the temperature of the pressing plate of the hot press rises to the set temperature of the process.

The invention has the beneficial effects that: the heat-conducting medium is heat-conducting oil, an electric oil heater is used for heating in winter, and steam is used for heating in other seasons, so that the hot-pressing quality and the production period are effectively guaranteed.

Drawings

FIG. 1 is a schematic structural view of the present invention;

in the figure: the hot press comprises a hot press pressing plate 1, a metal hose 2, a hot oil pump 3, a first oil furnace 4, an oil furnace electric heater 5, a second oil furnace 6, a steam hot oil exchanger 7, a steam pipeline 8 and a steam control valve 9.

Detailed Description

The technical solution of the present invention is further described in detail with reference to the accompanying drawings and examples.

A double-heating device of a hot press pressing plate comprises an electric heating oil furnace heating device, a steam heating device, a hot press pressing plate 1, a metal hose 2 and a hot oil pump 3, wherein a pressing plate channel is arranged in the hot press pressing plate 1, the pressing plate channel, the metal hose 2 and the hot oil pump 3 are sequentially connected to form a heat conduction channel, and the electric heating oil furnace heating device and the steam heating device are respectively connected with the heat conduction oil channel; the electric heating oil furnace heating device comprises a first oil furnace 4 and an oil furnace electric heater 5, wherein the oil furnace electric heater 5 is connected with a hot oil pump 3 through the first oil furnace 4, heat conduction oil is initially arranged in the oil furnace electric heater 5, and the heat conduction oil flows to a heat conduction oil channel through the first oil furnace 4 after being electrically heated; the steam heating device comprises a second oil furnace 6, a steam hot oil exchanger 7, a steam pipeline 8 and a steam control valve 9, one end of the steam hot oil exchanger 7 is connected with the steam control valve 9 through the steam pipeline 8, the other ends of the second oil furnace 6 and the steam hot oil exchanger 7 are connected with each other, heat conduction oil is initially arranged in the steam hot oil exchanger 7, and flows to a heat conduction oil channel through the second oil furnace 6 after being heated by steam.

The hot press further comprises an oil outlet bag, one end of the oil outlet bag is connected with a pressing plate channel of the hot press pressing plate 1, and the other end of the oil outlet bag is respectively connected with the oil furnace electric heater 5 and the steam hot oil exchanger 7, so that the reciprocating circulation of the heat conduction oil is realized, and the temperature of the hot press pressing plate is increased to the process set temperature.

A dual heating method of a hot press platen comprises the following steps: firstly, when steam heats heat conduction oil, a steam control valve is opened, the steam enters a steam hot oil exchanger through a steam pipeline to heat the heat conduction oil, the heated heat conduction oil sequentially flows into a pressing plate channel inlet of a pressing plate of a hot press through a second oil furnace, a hot oil pump and a metal hose, the heat conduction oil releases heat energy while flowing in the pressing plate channel to enable the temperature of the pressing plate of the hot press to rise, finally, the heat conduction oil flows out from the pressing plate channel outlet, the flowing heat conduction oil is collected into an oil outlet bag and then flows back to the steam hot oil exchanger 7, and the temperature of the pressing plate of the hot press rises to the set temperature of the process through; secondly, when the electric furnace is used for heating the oil furnace, the electric heater of the oil furnace is started, heated heat conduction oil flows into the inlet of the pressing plate channel of the pressing plate of the hot press through the first oil furnace, the hot oil pump and the metal hose, the heat conduction oil releases heat energy while flowing in the pressing plate channel, so that the temperature of the pressing plate of the hot press rises, finally the heat conduction oil flows out from the outlet of the pressing plate channel, the flowing heat conduction oil is collected into an oil outlet bag and then flows back to the electric heater 5 of the oil furnace, and the temperature of the pressing plate of the hot press rises to the set temperature of the process.

In practical application, the invention is used for heating the heat-conducting medium by electricity or steam, and the heat-conducting medium is used for reheating the pressing plate of the hot press, the heating medium of the pressing plate of the hot press is heat-conducting oil, and the heating mode of the heat-conducting oil adopts two modes of steam heating and electric oil furnace heating. The heat conducting oil is heated by steam or an electric heating furnace, the heated heat conducting oil is simultaneously conveyed to the pressing plate channels in the pressing plates of each layer of the hot press by the hot oil pump, heat is released in the pressing plate channels to enable the temperature of the pressing plates to rise, the heat conducting oil with the lowered temperature is heated and then output, and continuous heat supply is achieved.