CN211625989U - Energy recycling device for enamelling furnace - Google Patents
Energy recycling device for enamelling furnace Download PDFInfo
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- CN211625989U CN211625989U CN202020032087.1U CN202020032087U CN211625989U CN 211625989 U CN211625989 U CN 211625989U CN 202020032087 U CN202020032087 U CN 202020032087U CN 211625989 U CN211625989 U CN 211625989U
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Abstract
The utility model relates to an enameled wire drying equipment technical field specifically is an enameled wire stove energy recuperation utilizes device, including the baker, still include steam water tank and steam distribution room, the inside of baker is equipped with the drying tunnel, the drying tunnel is connected with circulation wind channel and new wind channel, circulation wind channel is connected with the new wind channel, be equipped with the heat exchanger between circulation wind channel and the new wind channel, simultaneously the circulation wind channel still is connected with the one end of tuber pipe, the other end of tuber pipe is connected with the steam water tank, the steam water tank is connected with the one end of steam pipe, the other end of steam pipe is connected in steam distribution room; the heated air is reheated and catalytically combusted by arranging the circulating air duct, and then enters the drying tunnel again to dry the enameled wire, so that the heat energy of waste gas can be reused; and partial waste gas enters the air outlet channel, and can enter the steam water tank to heat water in the steam water tank through heating and catalytic combustion to generate steam to be contacted with the enameled wire.
Description
Technical Field
The utility model relates to an enameled wire drying equipment technical field specifically is an enameled furnace energy recuperation utilizes device.
Background
The enameled wire paint used in the production process of the enameled wire contains a large amount of diluents and organic solvents, the main components of the enameled wire paint are benzene, xylene and cresol, the benzene, the xylene and the cresol volatilize when a paint film is heated and cured, environmental pollution and energy waste are caused, and in the production process, organic matters can be condensed and gathered in a pipeline, so that the production safety problem is caused. Most production plants adopt a single-layer rapid catalytic combustion enamelling machine with hot air circulation to purify waste gas. Organic waste gas enters a catalytic combustion chamber, a large amount of heat energy is emitted after catalytic combustion, then the organic waste gas is sent into a hearth of a baking furnace through an air duct by a fan, a paint film coating of an enameled wire is baked, and simultaneously the waste gas is converted into CO2And water, the electric energy is saved, and the environment is purified. In the links of waste gas purification and heat energy utilization, the catalyst plays a decisive role. The catalyst mainly takes a metal wire mesh or a honeycomb ceramic carrier as a framework, a certain amount of secondary coating is coated, and then noble metal Pd and Pt are loaded as active components, wherein the secondary coating is of great importance to the performance of the catalyst.
Because of the widespread use of various electrical equipment (various coils, motors, transformers, etc.), enameled wires become an industrial product with extremely wide market prospect and extremely good development potential. Therefore, the manufacturers of the enameled wires are more and more, and only Henan province has more than ten manufacturers with different scales and different grades. The problems of energy saving and environmental protection of enamelling machines also become a considerable problem.
In the prior art, a baking oven of an enamelling machine can generate a large amount of high-temperature waste gas, if the high-temperature waste gas is directly discharged, the environment is polluted, and a large amount of waste heat can be lost; in the production process of the enameled wire, a steam generator needs to be arranged to generate steam to be in contact with the enameled wire so as to reduce the oxidation effect of the enameled wire in contact with air and consume a large amount of heat energy.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an enameled furnace energy recuperation utilizes device to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an enamelling furnace energy recuperation utilizes device, includes the baker, still includes steam water tank and steam distribution room, the inside of baker is equipped with the drying tunnel, the drying tunnel is connected with circulation wind channel and fresh air duct, the circulation wind channel is connected with the fresh air duct, be equipped with the heat exchanger between circulation wind channel and the fresh air duct, simultaneously the circulation wind channel still is connected with the one end of tuber pipe, the other end and the steam water tank of tuber pipe are connected, the steam water tank is connected with the one end of steam pipe, the other end of steam pipe is connected in steam distribution room.
Preferably, the circulating air duct comprises an air return duct, an air inlet duct and an air outlet duct,
one end of the air return duct is connected with the drying duct, the other end of the air return duct is connected with the air inlet duct and the air outlet duct, and a first heater and a first catalyst are arranged in the air return duct;
one end of the air inlet duct is connected with the drying duct, the other end of the air inlet duct is connected with the air return duct, and a circulating fan is arranged at the joint of the air inlet duct and the air return duct;
one end of the air outlet channel is connected with the air return channel, the other end of the air outlet channel is connected with the air pipe, a second heater and a second catalyst are arranged in the air outlet channel, and the heat exchanger is connected with the air outlet channel.
Preferably, the back of the circulating fan is fixedly connected with one end of a rotating shaft, the other end of the rotating shaft is fixedly connected with a driven belt wheel, the driven belt wheel is connected with a driving belt wheel through a belt, the driving belt wheel is connected with an output shaft of a motor, and the motor is fixedly connected to the upper end of the baking oven.
Preferably, the top end of the fresh air duct is connected with a fan, the fan is fixedly connected to the upper end of the oven, and the lower end of the fresh air duct is connected with the oven tunnel.
Preferably, the steam water tank is connected with a water inlet pipe and a water outlet pipe.
Preferably, the inside fixedly connected with wire passing pipe of steam distribution room, the one end and the drying tunnel of wire passing pipe are connected, evenly be equipped with the gas pocket on the wire passing pipe, still be connected with the air exit on the steam distribution room, be equipped with electric valve in the air exit.
Compared with the prior art, the beneficial effects of the utility model are that:
according to the energy recycling device for the enamelling furnace, the circulating air duct is arranged to reheat heated air, the heated air is subjected to catalytic combustion, and then the air enters the drying tunnel again to dry enamelled wires, so that the heat energy of waste gas can be recycled, and the effect of saving energy is achieved;
part of waste gas enters the air outlet channel and enters the steam water tank to heat water in the steam water tank through heating and catalytic combustion to generate steam to be contacted with the enameled wire, so that the oxidation effect of the enameled wire in contact with air is reduced;
hot air in the drying oven can be supplemented by arranging the fresh air duct, simultaneously, reheated hot air in the air outlet duct can be preheated by the heat exchanger, and the reheated air enters the drying duct;
hot air enters the drying tunnel through the air inlet duct to dry the enameled wires, waste gas enters the air return duct, part of the waste gas is heated by the first heater and then is subjected to catalytic combustion by the first catalyst, the motor drives the rotating shaft through belt transmission, and the rotating shaft drives the circulating fan to rotate to drive the hot air to heat the enameled wires in the drying tunnel through the air inlet duct again; and part of the waste gas is heated by the second heater, then the fresh air in the fresh air channel is heated by the heat exchanger, and is heated and combusted by the second catalyst, and then the waste gas is guided into the steam water tank by the air pipe, so that water in the steam water tank is heated and vaporized, and the steam enters the steam distribution chamber through the steam pipe and contacts the enameled wire through the air hole on the surface of the steam pipe.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
the device comprises a baking oven 1, a steam water tank 2, a steam distribution chamber 3, a baking channel 4, a circulating air channel 5, a fresh air channel 6, an air pipe 7, a steam pipe 8, a return air channel 9, an air inlet channel 10, an air outlet channel 11, a first heater 12, a first catalyst 13, a circulating fan 14, a second heater 15, a second catalyst 16, a driving pulley 17, a motor 18, a fan 19, a water inlet pipe 20, a water outlet pipe 21, a wire passing pipe 22, an air outlet 23, a rotating shaft 24, a heat exchanger 25 and a driven pulley 26.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: an energy recycling device of an enamelling furnace comprises a baking furnace 1, a steam water tank 2 and a steam distribution chamber 3, wherein a baking channel 4 is arranged inside the baking furnace 1, the baking channel 4 is connected with a circulating air channel 5 and a fresh air channel 6, the circulating air channel 5 is connected with the fresh air channel 6, a heat exchanger 25 is arranged between the circulating air channel 5 and the fresh air channel 6, meanwhile, the circulating air channel 5 is also connected with one end of an air pipe 7, the other end of the air pipe 7 is connected with the steam water tank 2, the steam water tank 2 is connected with one end of a steam pipe 8, the other end of the steam pipe 8 is connected with the steam distribution chamber 3, heated air is reheated and catalytically combusted by the circulating air channel 5 and then enters the baking channel 4 again to dry enamelled wires, so that the heat energy of waste gas can be reused, and the; part of the waste gas enters the air outlet duct 10, and enters the steam water tank 2 after being heated and catalytically combusted to heat water in the steam water tank 2 to generate steam to be contacted with the enameled wire, so that the oxidation effect of the enameled wire in contact with air is reduced; hot air in the drying oven 1 can be supplemented by arranging the fresh air duct 6, meanwhile, the reheated hot air in the air outlet duct 11 can be preheated by the heat exchanger 25, and the reheated air enters the drying duct 4.
The circulating air duct 5 comprises a return air duct 9, an air inlet duct 10 and an air outlet duct 11, one end of the return air duct 9 is connected with the drying tunnel 4, the other end of the return air duct 9 is connected with the air inlet duct 10 and the air outlet duct 11, and a first heater 12 and a first catalyst 13 are arranged in the return air duct 9; one end of the air inlet duct 10 is connected with the drying tunnel 4, the other end of the air inlet duct 10 is connected with the air return duct 9, and a circulating fan 14 is arranged at the joint of the air inlet duct 10 and the air return duct 9; one end of the air outlet channel 11 is connected with the air return channel 9, the other end of the air outlet channel 11 is connected with the air pipe 7, a second heater 15 and a second catalyst 16 are arranged in the air outlet channel 11, and the heat exchanger 25 is connected with the air outlet channel 11; one end of a rotating shaft 24 is fixedly connected to the back of the circulating fan 14, the other end of the rotating shaft 24 is fixedly connected with a driven belt wheel 26, the driven belt wheel 26 is connected with a driving belt wheel 17 through a belt, the driving belt wheel 17 is connected with an output shaft of a motor 18, and the motor 18 is fixedly connected to the upper end of the oven 1; the top end of the fresh air duct 6 is connected with a fan 19, the fan 19 is fixedly connected with the upper end of the drying oven 1, and the lower end of the fresh air duct 6 is connected with the drying duct 4; the steam water tank 2 is connected with a water inlet pipe 20 and a water outlet pipe 21; a line passing pipe 22 is fixedly connected inside the steam distribution chamber 3, one end of the line passing pipe 22 is connected with the drying channel 4, air holes are uniformly formed in the line passing pipe 22, an air outlet 23 is also connected to the steam distribution chamber 3, and an electric valve is arranged in the air outlet 23; hot air enters the drying tunnel 4 through the air inlet duct 10 to dry the enameled wires, waste gas enters the air return duct 9, part of the waste gas is heated by the first heater 12 and then is subjected to catalytic combustion by the first catalyst 13, the motor 18 drives the rotating shaft 24 through belt transmission, and the rotating shaft 24 drives the circulating fan 14 to rotate to drive the hot air to heat the enameled wires in the drying tunnel 4 through the air inlet duct 10 again; part of the waste gas is heated by the second heater 15, then the fresh air in the fresh air duct 6 is heated by the heat exchanger 25, and is heated and combusted by the second catalyst 16, and then the heated and combusted fresh air is guided into the steam water tank 2 by the air pipe 7, so that the water in the steam water tank 2 is heated and vaporized, and the steam enters the steam distribution chamber 3 through the steam pipe 8 and contacts with the enameled wire through the air hole on the surface of the wire passing pipe 22.
Principle of operation
When the energy recycling device of the enamelling furnace works, hot air enters the baking channel 4 through the air inlet channel 10 to dry enamelled wires, waste gas enters the air return channel 9, part of the waste gas is heated by the first heater 12 and then is subjected to catalytic combustion by the first catalyst 13, the motor 18 drives the rotating shaft 24 through belt transmission, and the rotating shaft 24 drives the circulating fan 14 to rotate to drive the hot air to heat the enamelled wires in the baking channel 4 through the air inlet channel 10 again; part of the waste gas is heated by the second heater 15, then the fresh air in the fresh air duct 6 is heated by the heat exchanger 25, and is heated and combusted by the second catalyst 16, and then the heated and combusted fresh air is guided into the steam water tank 2 by the air pipe 7, so that the water in the steam water tank 2 is heated and vaporized, and the steam enters the steam distribution chamber 3 through the steam pipe 8 and contacts with the enameled wire through the air hole on the surface of the wire passing pipe 22.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. The utility model provides an enamelling furnace energy recuperation utilizes device, includes baker (1), its characterized in that still includes steam water tank (2) and steam distribution room (3), the inside of baker (1) is equipped with drying tunnel (4), drying tunnel (4) drying tunnel is connected with circulation wind channel (5) and fresh air duct (6), circulation wind channel (5) are connected with fresh air duct (6), be equipped with heat exchanger (25) between circulation wind channel (5) and fresh air duct (6), simultaneously circulation wind channel (5) still are connected with the one end of tuber pipe (7), the other end and the steam water tank (2) of tuber pipe (7) are connected, steam water tank (2) are connected with the one end of steam pipe (8), the other end of steam pipe (8) is connected in steam distribution room (3).
2. The enamelling furnace energy recycling device according to claim 1, characterized in that the circulating air duct (5) comprises a return air duct (9), an inlet air duct (10) and an outlet air duct (11),
one end of the air return duct (9) is connected with the drying duct (4), the other end of the air return duct (9) is connected with the air inlet duct (10) and the air outlet duct (11), and a first heater (12) and a first catalyst (13) are arranged in the air return duct (9);
one end of the air inlet duct (10) is connected with the drying duct (4), the other end of the air inlet duct (10) is connected with the air return duct (9), and a circulating fan (14) is arranged at the joint of the air inlet duct (10) and the air return duct (9);
the one end and the return air duct (9) of exhaust duct (11) are connected, the other end and tuber pipe (7) of exhaust duct (11) are connected, be equipped with second heater (15) and second catalyst (16) in exhaust duct (11), heat exchanger (25) are connected with exhaust duct (11).
3. The energy recycling device of the enamelling furnace according to claim 2, characterized in that one end of a rotating shaft (24) is fixedly connected to the back of the circulating fan (14), a driven pulley (26) is fixedly connected to the other end of the rotating shaft (24), the driven pulley (26) is connected to a driving pulley (17) through a belt, the driving pulley (17) is connected to an output shaft of a motor (18), and the motor (18) is fixedly connected to the upper end of the baking furnace (1).
4. The energy recycling device for the enamelling furnace according to claim 1, characterized in that a fan (19) is connected to the top end of the fresh air duct (6), the fan (19) is fixedly connected to the upper end of the baking furnace (1), and the lower end of the fresh air duct (6) is connected to the baking channel (4).
5. The energy recovery device of the enamelling furnace according to claim 1, characterized in that the steam water tank (2) is connected with a water inlet pipe (20) and a water outlet pipe (21).
6. The energy recycling device for the enamelling furnace according to claim 1, characterized in that a line passing pipe (22) is fixedly connected inside the steam distribution chamber (3), one end of the line passing pipe (22) is connected with the drying tunnel (4), air holes are uniformly arranged on the line passing pipe (22), an air outlet (23) is further connected on the steam distribution chamber (3), and an electric valve is arranged in the air outlet (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020032087.1U CN211625989U (en) | 2020-01-08 | 2020-01-08 | Energy recycling device for enamelling furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020032087.1U CN211625989U (en) | 2020-01-08 | 2020-01-08 | Energy recycling device for enamelling furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211625989U true CN211625989U (en) | 2020-10-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020032087.1U Active CN211625989U (en) | 2020-01-08 | 2020-01-08 | Energy recycling device for enamelling furnace |
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|---|---|
| CN (1) | CN211625989U (en) |
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- 2020-01-08 CN CN202020032087.1U patent/CN211625989U/en active Active
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