CN215298961U - Horizontal baking finish equipment for producing oversized enameled round wire - Google Patents
Horizontal baking finish equipment for producing oversized enameled round wire Download PDFInfo
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- CN215298961U CN215298961U CN202121790615.0U CN202121790615U CN215298961U CN 215298961 U CN215298961 U CN 215298961U CN 202121790615 U CN202121790615 U CN 202121790615U CN 215298961 U CN215298961 U CN 215298961U
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Abstract
The utility model discloses a horizontal baking finish equipment of production super large specification enameled round wire, including baking finish stove and baking system, baking system includes heating unit, catalytic combustion unit, heated air circulation unit and tail gas processing unit, and wherein the heated air circulation unit includes heated air circulation wind channel, heated air circulation fan, wind pressure controller and temperature compensator. On one hand, the utility model effectively solves the problems of poor quality of enameled wire products caused by unstable circulating hot air and glue dripping or smoke generation at the mouth of the oven caused by poor air pressure in the oven by the additionally arranged air pressure controller; on the other hand is under the thermostatic control by heating unit indirect heating and temperature compensator to ensure the even baking finish of enameled round wire, simultaneously under the work of catalytic combustion unit, the solvent steam that produces in the oven inhales catalytic system burning and produces a large amount of heat energy and send back baking finish furnace through the heated air circulation wind channel and utilize, and not only energy-concerving and environment-protective, there is not the bubble on lacquer skin surface moreover, and the lacquer skin is difficult for droing, also can not have the sun-shade face.
Description
Technical Field
The utility model belongs to the enamelling machine field, concretely relates to horizontal baking finish equipment of production super large specification enamelled round wire.
Background
As is well known, the enameled wire industry is a high-energy-consumption industry, in the enameled wire painting and baking process, condensation curing and solvent evaporation of paint are carried out simultaneously, a large amount of electric energy is used for curing, film forming and heating of the paint, and if the solvent in the insulating paint is directly discharged into the air after evaporation during baking of the enameled wire, environmental pollution is caused; and part of enameled wire manufacturers directly discharge heat generated after the solvent is combusted in the catalytic chamber, so that energy waste is caused. Therefore, the structure of the enameled wire oven needs to be improved, various existing heat is fully utilized, and the purposes of reducing power consumption, improving production efficiency and protecting the environment are achieved.
Meanwhile, in the baking and curing process, the method is particularly suitable for large-size enameled wires, such as: 2.0-4.0mm (the main reason being the need for multiple passes of painting and curing), it has the following drawbacks:
1) the paint skin is easy to fall off;
2) bubbles are generated on the surface of the enamel skin, so that the uniformity of multi-pass painting is influenced, and the quality of the produced enameled wire is poor;
3) the surface of the sun and the shade, namely, one surface is bright and the other surface is dark;
4) the problems of poor quality of enameled wire products caused by unstable circulating hot air and glue dripping or smoke generation at the mouth of the oven caused by poor air pressure in the oven are solved.
Disclosure of Invention
The utility model aims to solve the technical problem that overcome prior art not enough, provide a baking finish equipment of modified production super large specification enameled round wire.
In order to solve the technical problem, the utility model discloses the technical scheme who takes as follows:
the utility model provides a horizontal baking finish equipment of production super large specification enameled round wire, it includes:
the paint baking furnace is horizontally arranged, and a feeding hole and a discharging hole are formed in the left end part and the right end part of the paint baking furnace in the length direction of the paint baking furnace;
the baking system is positioned in the baking finish furnace and used for baking the enameled round wire passing through and comprises a heating unit, a catalytic combustion unit, a hot air circulation unit and a tail gas treatment unit, wherein the hot air circulation unit comprises a hot air circulation air duct and a hot air circulation fan, the tail gas treatment unit comprises a waste gas exhaust air door, a tail gas treater and a waste gas exhaust fan,
particularly, the hot air circulation air duct is positioned above the heating unit and comprises an upper air duct, a lower air duct, a left air duct and a right air duct which form a ring with the upper air duct and the lower air duct, wherein the feed inlet is communicated with the right air duct, the discharge outlet is communicated with the left air duct, the enameled round wire sequentially penetrates out of the feed inlet, the right air duct, the lower air duct and the left air duct, the transmission direction of the air flow in the lower air duct is opposite to that of the enameled round wire, and the transmission direction of the air flow in the upper air duct is the same as that of the enameled round wire;
The catalytic combustion unit is positioned in the upper layer air duct, and the hot air circulating fan is positioned on the left side of the catalytic combustion unit; the exhaust air door is positioned between the catalytic combustion unit and the heated air circulation fan, the heated air circulation unit also comprises an air pressure controller and a temperature compensator, the air pressure controller and the temperature compensator are arranged in the upper air duct and positioned on the left side of the heated air circulation fan, the air pressure controller can automatically adjust the pressure of air flow flowing from the upper air duct to the left air duct, and the temperature compensator can thermostatically control the temperature of the air flow flowing from the upper air duct to the left air duct;
the wind pressure controller comprises a plurality of reversible fan blade assemblies, a driving assembly for driving the fan blades to turn, and a pressure measuring assembly, wherein airflow flows to a left air channel from a channel formed by the fan blade assemblies;
the heating unit comprises a plurality of electric heating rods which extend along the width direction of the paint baking oven and are distributed at intervals.
Preferably, the exhaust air damper can be automatically opened and closed. Through the automatic opening and closing of the waste gas exhaust air door, the balanced control of the gas pressure and the temperature in the upper air duct is facilitated.
According to the utility model discloses a concrete implementation and preferred aspect, the exhaust air door is located the upper air duct, and links in order to adjust the angle that opens and shuts between exhaust air door and the temperature compensator. Therefore, the exhaust air damper not only blocks the air flow, but also is determined by the output air temperature of the temperature compensator, and when the temperature of the temperature compensator exceeds the set temperature, the exhaust air damper is automatically and properly closed or opened, so that the uniformity and the constant temperature of the air flow in the hot air circulation air duct can be conveniently controlled.
The exhaust air damper is provided with a plurality of exhaust holes. Generally, the vent holes are small (about 5mm in diameter), and thus, the plurality of small holes ensure smooth discharge of the minimum amount of exhaust gas.
According to another embodiment and preferred aspect of the present invention, the airflow flows from the channel formed by the fan blade assembly to the left air channel, the pressure measuring assembly is connected to the driving assembly, and the size of the channel formed by the fan blade assembly changes the pressure of the airflow. The problems of poor quality of enameled wire products caused by unstable circulating hot air and glue dripping or smoke generation at the mouth of the oven caused by poor air pressure in the oven are effectively solved.
Preferably, the fan blade assembly includes a plurality of blades capable of moving synchronously, and the driving assembly includes a connecting rod pushing mechanism and a power mechanism for driving the connecting rod pushing mechanism to move.
Furthermore, each blade is distributed with a vent hole. The fan blade component is similar to a shutter structure, a plurality of small ventilation holes are formed in the shutter blades, and the fan blade component can be adjusted at will according to the required air pressure in the oven through a connecting rod mechanism on the shutter.
In addition, the temperature compensator comprises a heating pipe and a temperature measuring element, wherein the temperature measuring element is communicated with the heating pipe and is used for controlling the heating state of the heating pipe. The heating tube is a conventional electric heating tube.
Preferably, a left catalytic thermocouple and a right catalytic thermocouple are respectively arranged on the left side and the right side of the catalytic combustion unit. Therefore, the temperature change can be accurately known, and the constant temperature adjustment of the temperature compensator at the back is facilitated.
Preferably, a plurality of electric heating rods are arranged between the hot air circulation unit and the inner wall of the bottom of the paint baking oven side by side.
Due to the implementation of the above technical scheme, compared with the prior art, the utility model have the following advantage:
on one hand, the utility model effectively solves the problems of poor quality of enameled wire products caused by unstable circulating hot air and glue dripping or smoke generation at the mouth of the oven caused by poor air pressure in the oven through the additionally arranged air pressure controller; on the other hand is under the thermostatic control by heating unit indirect heating and temperature compensator to ensure the even baking finish of enameled round wire, simultaneously under the work of catalytic combustion unit, the solvent steam that produces in the oven inhales catalytic system burning and produces a large amount of heat energy and send back baking finish furnace through the heated air circulation wind channel and utilize, and not only energy-concerving and environment-protective, there is not the bubble on lacquer skin surface moreover, and the lacquer skin is difficult for droing, also can not have the sun-shade face.
Drawings
FIG. 1 is a schematic structural view of the horizontal baking finish equipment for producing oversized enameled round wires according to the present invention;
Wherein: 1. a paint baking oven; 1a, a feed inlet; 1b, a discharge hole;
2. a baking system; 20. a heating unit; 200. an electrical heating rod; 21. a catalytic combustion unit; 22. a hot air circulation unit; 220. a hot air circulation duct; a. an upper air duct; b. a lower air duct; c. a left air duct; d. a right air duct; 221. a hot air circulating fan; 222. a wind pressure controller; s1, fan blade assembly; s10, leaf; s2, a pressure measuring assembly; 223. a temperature compensator; b1, heating pipes; b2, a temperature measuring element; q1, left catalytic thermocouple; q2, right catalytic thermocouple; 23. a tail gas treatment unit; 230. a waste gas exhaust air door; 231. a tail gas processor; 232. a waste discharge fan;
and X, enamelling round wires.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying the present application are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is capable of embodiments in many different forms than those described herein and that modifications may be made by one skilled in the art without departing from the spirit and scope of the application and it is therefore not intended to be limited to the specific embodiments disclosed below.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
As shown in FIG. 1, the baking finish equipment for producing the oversized enameled round wire comprises a baking finish oven 1 and a baking system 2.
The baking finish furnace 1 is horizontal, and a feeding port 1a and a discharging port 1b are respectively formed at the left end and the right end of the baking finish furnace in the length direction.
And the baking system 2 is positioned in the paint baking oven 1 and is used for baking the passing enameled round wire.
The baking system 2 comprises a heating unit 20, a catalytic combustion unit 21, a hot air circulation unit 22 and a tail gas treatment unit 23.
The heating unit 20 comprises a plurality of electric heating rods 200 which extend along the width direction of the paint baking oven 1 and are distributed at intervals, wherein the plurality of electric heating rods 200 are arranged between the hot air circulation unit 22 and the inner wall of the bottom of the paint baking oven 1 side by side.
The hot air circulation unit 22 includes a hot air circulation duct 220 and a hot air circulation fan 221.
The exhaust gas treatment unit 23 includes an exhaust gas damper 230, an exhaust gas processor 231, and an exhaust gas blower 232, wherein the exhaust gas processor 231 mainly purifies exhaust gas.
In this embodiment, the hot air circulation duct 220 is located above the heating unit 20, and includes an upper duct a, a lower duct b, and a left duct c and a right duct d forming an annular shape with the upper duct a and the lower duct b, wherein the feed inlet 1a is communicated with the right duct d, the discharge outlet 1b is communicated with the left duct c, the enameled round wire X sequentially passes through the discharge outlet 1b from the feed inlet 1a, the right duct d, the lower duct b, and the left duct c, the air flow in the lower duct b has a transmission direction opposite to that of the enameled round wire X, and the air flow in the upper duct a has a transmission direction identical to that of the enameled round wire X. Therefore, the enameled round wire X which just enters the lower air duct b is just coated with the paint, and the paint is gradually baked in the leftward moving process of the enameled round wire X, so that the air flow flowing rightward contains the solvent volatilized by the paint, the enameled round wire X is baked in an environment with gradually less solvent, finally, no air bubbles exist on the surface of the paint skin, the paint skin is not easy to fall off, and a shade surface does not exist.
Specifically, the catalytic combustion unit 21 is located in the upper air duct a, and the heated air circulating fan 221 is located on the left side of the catalytic combustion unit 221; the exhaust air door is located between the catalytic combustion unit and the heated air circulation fan, the heated air circulation unit 22 further comprises an air pressure controller 222 and a temperature compensator 223, the air pressure controller 222 is arranged in the upper air duct a and located on the left side of the heated air circulation fan 221, the air pressure controller 222 can automatically adjust the pressure of air flow flowing from the upper air duct a to the left air duct c, and the temperature compensator 223 can thermostatically control the temperature of air flow flowing from the upper air duct a to the left air duct c.
The exhaust damper 230 can be automatically opened and closed. Through the automatic opening and closing of the waste gas exhaust damper 230, the balanced control of the gas pressure and temperature in the upper air duct a is facilitated.
The exhaust damper 230 is located in the upper air duct a, and the exhaust damper 230 and the temperature compensator 223 are linked to each other to adjust the opening and closing angle. Therefore, the exhaust damper 230 not only obstructs the air flow, but also the opening degree of the exhaust damper 230 is determined by the temperature output by the temperature compensator 223, and when the temperature of the temperature compensator 223 exceeds the set temperature, the exhaust damper 230 is automatically and properly closed or opened, so as to facilitate the uniform and constant temperature control of the air flow in the hot air circulation duct 220.
The exhaust damper 230 is formed with a plurality of exhaust holes. Generally, the vent holes are small (about 5mm in diameter), and thus, the plurality of small holes ensure smooth discharge of the minimum amount of exhaust gas.
The wind pressure controller 222 includes a fan assembly s1 formed with a plurality of invertible blades, a driving assembly for driving the blades to be inverted, and a pressure measuring assembly s2, wherein the air flow flows from the passage formed by the blade assembly s1 to the left air duct, the pressure measuring assembly s2 communicates with the driving assembly, and the pressure of the air flow is changed by changing the size of the passage formed by the blade assembly s 1. The problems of poor quality of enameled wire products caused by unstable circulating hot air and glue dripping or smoke generation at the mouth of the oven caused by poor air pressure in the oven are effectively solved.
The fan blade assembly s1 includes a plurality of blades s10 capable of moving synchronously, and the driving assembly includes a connecting rod pushing mechanism and a power mechanism for driving the connecting rod pushing mechanism to move.
Each of the blades s10 has ventilation holes distributed therein. The fan blade component is similar to a shutter structure, a plurality of small ventilation holes are formed in the shutter blades, and the fan blade component can be adjusted at will according to the required air pressure in the oven through a connecting rod mechanism on the shutter.
In addition, the temperature compensator 223 includes a heating pipe b1 and a temperature measuring element b2, wherein the temperature measuring element b2 is in communication with the heating pipe b1 and is used for controlling the heating state of the heating pipe b 1. The heating tube is a conventional electric heating tube.
Meanwhile, a left catalytic thermocouple q1 and a right catalytic thermocouple q2 are respectively arranged on the left side and the right side of the catalytic combustion unit 21. Therefore, the temperature change can be accurately known, and the constant temperature adjustment of the temperature compensator at the back is facilitated.
Finally, it is to be noted that: the electric heating element in the oven is only used at the initial stage of the oven, and the electric heating element is basically in a stop working state after the linear velocity of the enameled round wire reaches the process set value and normally runs.
In summary, the present embodiment has the following advantages:
1) the hot air circulating fan continuously sucks solvent steam generated in the baking varnish hearth into the catalytic system for combustion and generates a large amount of heat energy to be sent back to the baking varnish hearth for utilization through the hot air circulating air duct, so that the waste of energy is avoided, various existing heat is fully utilized, and the purposes of reducing power consumption, improving production efficiency and protecting the environment are achieved;
2) the air pressure controller is additionally arranged in the circulating air duct, so that the problems of poor quality of enameled wire products caused by unstable circulating hot air and glue dripping or smoke generation at the mouth of the oven caused by poor air pressure in the oven are effectively solved;
3) the wind pressure controller is similar to a shutter structure, a plurality of small ventilation holes are formed in shutter blades, and the small ventilation holes can be randomly adjusted according to the required wind pressure in the oven through a connecting rod mechanism on the shutter;
4) The circulating air duct of the paint baking furnace is internally provided with the temperature compensator, and when the temperature after catalysis cannot meet the temperature required in the paint baking furnace, the temperature compensator compensates, so that the circulating temperature can be accurately controlled, and the stability of the temperature of the paint baking furnace is ensured;
5) the oven is provided with a waste gas exhaust air door, the opening of the waste gas exhaust air door is determined by the temperature output by a temperature compensator, when the temperature of the temperature compensator exceeds a set temperature, the waste gas exhaust air door is automatically and properly closed or opened, and meanwhile, a plurality of small holes are formed in the waste gas exhaust air door to ensure that the minimum waste gas exhaust amount is smoothly exhausted;
6) the surface of the paint skin does not have air bubbles, the paint skin is not easy to fall off, and the shadow and the sun surfaces are not formed;
7) the invention relates to horizontal baking finish equipment for an oversized enameled round wire, which is characterized by replacing the traditional production method that the oversized enameled wire can be produced only by using vertical baking finish equipment;
8) the horizontal baking varnish equipment using the embodiment has the advantages that: a) saving at least 1000 tons of high-quality steel for the country, and building a vertical operation platform by adopting the traditional vertical paint baking equipment, while the operation platform is not needed to be built by the horizontal paint baking furnace; b) the labor intensity of a producer is reduced, and no safety risk exists in the operation process. With conventional vertical baking finish equipment, a producer needs to frequently climb to an operating platform at least 12-15 m high to operate the equipment, while the horizontal baking finish equipment does not need to be operated by ascending a height.
The present invention has been described in detail, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the same, and the protection scope of the present invention should not be limited thereby, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (10)
1. The utility model provides a horizontal baking finish equipment of production super large specification enameled round wire, it includes:
the paint baking furnace is horizontally arranged, and a feeding hole and a discharging hole are formed in the left end part and the right end part of the paint baking furnace in the length direction of the paint baking furnace;
the baking system is positioned in the baking finish furnace, is used for baking the enameled round wire passing through, and comprises a heating unit, a catalytic combustion unit, a hot air circulation unit and a tail gas treatment unit, wherein the hot air circulation unit comprises a hot air circulation air duct and a hot air circulation fan, the tail gas treatment unit comprises a waste gas exhaust air door, a tail gas processor and a waste gas exhaust fan,
the method is characterized in that:
the hot air circulation air duct is positioned above the heating unit and comprises an upper air duct, a lower air duct, and a left air duct and a right air duct which form an annular shape together with the upper air duct and the lower air duct, wherein the feed inlet is communicated with the right air duct, the discharge outlet is communicated with the left air duct, an enameled round wire sequentially penetrates out of the discharge outlet from the feed inlet, the right air duct, the lower air duct and the left air duct, the transmission direction of the air flow in the lower air duct is opposite to that of the enameled round wire, and the transmission direction of the air flow in the upper air duct is the same as that of the enameled round wire;
The catalytic combustion unit is positioned in the upper-layer air duct, and the hot air circulating fan is positioned on the left side of the catalytic combustion unit; the exhaust gas ventilation door is positioned between the catalytic combustion unit and the heated air circulation fan, the heated air circulation unit further comprises a wind pressure controller and a temperature compensator, the wind pressure controller and the temperature compensator are arranged in the upper air duct and positioned on the left side of the heated air circulation fan, the wind pressure controller can automatically adjust the pressure of airflow flowing from the upper air duct to the left air duct, and the temperature compensator can thermostatically control the temperature of the airflow flowing from the upper air duct to the left air duct;
the wind pressure controller comprises a plurality of reversible fan blade assemblies, a driving assembly and a pressure measuring assembly, wherein the driving assembly is used for driving the fan blade assemblies to overturn;
the heating unit comprises a plurality of electric heating rods which extend along the width direction of the paint baking oven and are distributed at intervals.
2. The horizontal baking finish equipment for producing the oversized enameled round wire according to claim 1, characterized in that: the waste gas exhaust air door can be automatically opened and closed.
3. The horizontal baking finish equipment for producing the oversized enameled round wire according to claim 2, characterized in that: the waste gas exhaust air door is positioned in the upper air duct, and the waste gas exhaust air door is linked with the temperature compensator to adjust the opening and closing angle.
4. The horizontal baking finish equipment for producing the oversized enameled round wire according to claim 3, characterized in that: and a plurality of exhaust holes are formed on the exhaust air damper.
5. The horizontal baking finish equipment for producing the oversized enameled round wire according to claim 1, characterized in that: varying the size of the channel formed by the fan blade assembly varies the pressure of the airflow.
6. The horizontal baking finish equipment for producing the oversized enameled round wire according to claim 5, characterized in that: the fan blade assembly comprises a plurality of blades capable of moving synchronously, and the driving assembly comprises a connecting rod pushing mechanism and a power mechanism for driving the connecting rod pushing mechanism to move.
7. The horizontal baking finish equipment for producing the oversized enameled round wire according to claim 6, characterized in that: each blade is distributed with a vent hole.
8. The horizontal baking finish equipment for producing the oversized enameled round wire according to claim 1, characterized in that: the temperature compensator comprises a heating pipe and a temperature measuring element, wherein the temperature measuring element is communicated with the heating pipe and is used for controlling the heating state of the heating pipe.
9. The horizontal baking finish equipment for producing the oversized enameled round wire according to claim 1, characterized in that: and a left catalytic thermocouple and a right catalytic thermocouple are respectively arranged on the left side and the right side of the catalytic combustion unit.
10. The horizontal baking finish equipment for producing the oversized enameled round wire according to claim 1, characterized in that: and the plurality of electric heating rods are arranged between the hot air circulation unit and the inner wall of the bottom of the paint baking furnace side by side.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022859161 | 2020-12-02 | ||
| CN202022859161X | 2020-12-02 |
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| Publication Number | Publication Date |
|---|---|
| CN215298961U true CN215298961U (en) | 2021-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121790615.0U Active CN215298961U (en) | 2020-12-02 | 2021-08-03 | Horizontal baking finish equipment for producing oversized enameled round wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215298961U (en) |
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2021
- 2021-08-03 CN CN202121790615.0U patent/CN215298961U/en active Active
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