CN215810046U

CN215810046U - Enameled wire drying furnace heated by hot air circulation

Info

Publication number: CN215810046U
Application number: CN202121912375.7U
Authority: CN
Inventors: 谢进雄; 林世伟; 叶屹峰; 方远钦; 王明川; 陆胜云; 周治富; 陈学辉; 杨军
Original assignee: Hengya Electric Kunshan Co ltd
Current assignee: Hengya Electric Kunshan Co ltd
Priority date: 2021-08-16
Filing date: 2021-08-16
Publication date: 2022-02-11
Anticipated expiration: 2031-08-16

Abstract

The utility model relates to the technical field of drying furnaces and discloses a hot air circulation heating enameled wire drying furnace which comprises a workbench and a hot air furnace, wherein an evaporation pipe and a curing pipe are arranged at the top of the workbench, an isolation pipe is arranged at the top of the workbench, the evaporation pipe is connected with the isolation pipe through a first connecting ring, and the isolation pipe is connected with the curing pipe through a second connecting ring. This enameled wire drying furnace of heated air circulation heating, through the workstation, the hot-blast furnace, the evaporating pipe, the curing tube, the spacer tube, first connecting ring, the second go-between, first intake pipe, the second blast pipe, the second intake pipe, the second blast pipe, the discharge tube, first shunt canals, the second shunt canals, mutually support between honeycomb duct and the air thermometer, reached and reduced drying furnace occupation of land space and the effect that improves drying furnace heat utilization, solved current drying furnace area great and enameled wire when baking, the lower problem of drying furnace heat utilization.

Description

Enameled wire drying furnace heated by hot air circulation

Technical Field

The utility model relates to the technical field of drying furnaces, in particular to an enameled wire drying furnace heated by hot air circulation.

Background

The enameled wire needs to be subjected to several process flows of paying off, annealing, painting, baking, cooling, taking up and the like in the production process, the baking process can be divided into two steps of evaporation and solidification, the evaporation refers to the process of evaporating a solvent and a diluent in a wire surface coating, the solidification refers to the process of carrying out a chemical reaction on the surface of the wire by the coating, namely, the cross-linking and solidification of a paint base, the enameled wire is roughly processed and finished only after the two processes, but most of the existing enameled wire drying furnaces for the enameled wire are large in size, the occupancy rate of the internal space of the drying furnace is extremely low in the process of baking the wire, the heat generated by the drying furnace is difficult to be fully utilized, the great waste is caused, the production cost of the enameled wire is increased, and the drying furnace also occupies a large amount of factory space, so that a small-sized enameled wire drying furnace with high heat energy utilization rate needs to be developed, to meet the production requirements of users.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides the enameled wire drying oven heated by hot air circulation, which has the advantages of reducing the occupied space of the drying oven and enhancing the heat utilization rate of the enameled wire during baking, and solves the problems of large occupied area of the existing drying oven and low heat utilization rate of the drying oven during baking of the enameled wire.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: a varnished wire drying furnace heated by hot air circulation comprises a workbench and a hot air furnace, wherein an evaporation pipe and a curing pipe are arranged at the top of the workbench, an isolation pipe is arranged at the top of the workbench, the evaporation pipe is connected with the isolation pipe through a first connecting ring, the isolation pipe is connected with the curing pipe through a second connecting ring, a first air inlet pipe and a first exhaust pipe are arranged at the top of the evaporation pipe, a second air inlet pipe and a second exhaust pipe are arranged at the top of the curing pipe, a first shunt pipe is arranged at the top end of the first air inlet pipe, a second shunt pipe is arranged at the top end of the second air inlet pipe, guide pipes are connected to the rear sides of the first shunt pipe and the second shunt pipe respectively, the rear end of each guide pipe is connected with an air outlet of the hot air furnace, a gas collecting pipe is arranged at the top end of the first exhaust pipe and the top end of the second exhaust pipe respectively, and a thermometer is arranged on the side surface of each gas collecting pipe, the right-hand member of evaporating pipe and the left end of curing tube all are provided with the end cover, the wire casing has been seted up to the center department of end cover.

Preferably, the inner diameter of the first connecting ring is smaller than the inner diameter of the evaporation tube, the inner diameter of the second connecting ring is smaller than the inner diameter of the curing tube, the inner diameter of the first connecting ring is the same as the inner diameter of the second connecting ring, and when the inner diameters of the two connecting rings are both far smaller than the inner diameter of the evaporation tube and the inner diameter of the curing tube, gas in the evaporation tube cannot enter the curing tube through the isolation tube, so that mutual influence between gases at different temperatures is avoided.

Preferably, the guide pipe is connected with a sphere through a rotating shaft, a main air passage is formed in the sphere, and the main air passage plays a role in communicating air flows in the air guide pipes at the front end and the rear end of the sphere.

Preferably, the reposition of redundant personnel air flue has been seted up to spheroidal inside, the exhaust hole has been seted up to the inner wall of honeycomb duct, the inside fixedly connected with intake pipe in exhaust hole, intake pipe and air pump connection back, can with in the low temperature gas input honeycomb duct in the external world, mix with intraductal high-temperature gas, play the effect that reduces the interior gas temperature of honeycomb duct, and the spheroid then can be through the terminal surface butt joint area of rotation control reposition of redundant personnel air flue and exhaust hole to the air input of the external low temperature air current of control reaches the effect of the interior gas temperature of control honeycomb duct.

Preferably, the interior roof of honeycomb duct has seted up logical groove, the bottom and the spheroidal top fixed connection of pivot, the pivot is located the inside in logical groove, the top fixedly connected with hand wheel of pivot.

Preferably, the inner bottom wall of the evaporation tube and the inner bottom wall of the curing tube are both provided with guide wheels, the height of the side surface of each guide wheel is equal to the height of the central line of the wire groove, and the guide wheels support the enameled wires in the vertical direction, so that the enameled wires are prevented from falling and stretching.

Compared with the prior art, the utility model provides an enameled wire drying furnace heated by hot air circulation, which has the following beneficial effects:

1. this enameled wire drying furnace of heated air circulation heating, through the workstation, the hot-blast furnace, the evaporating pipe, the curing tube, the spacer tube, first connecting ring, the second go-between, first intake pipe, the second blast pipe, the second intake pipe, the second blast pipe, the discharge tube, first shunt canals, the second shunt canals, mutually support between honeycomb duct and the air thermometer, reached and reduced drying furnace occupation of land space and the effect that improves drying furnace heat utilization, solved current drying furnace area great and enameled wire when baking, the lower problem of drying furnace heat utilization.

2. This heated air circulation heating's enameled wire drying furnace, through the honeycomb duct, the air thermometer, the apparatus further comprises a rotating shaft, the hand wheel, the spheroid, main air duct, the reposition of redundant personnel air flue, mutually support between exhaust hole and the intake pipe, can drive the pivot through the hand wheel and rotate, thereby adjust the position of main air duct and reposition of redundant personnel air flue on the spheroid, with the proportion of air input between control intake pipe and the air duct, reached the effect of being convenient for adjust the intraductal gas temperature of evaporating pipe and curing tube, the difficult problem of adjusting of the intraductal gas temperature of evaporating pipe and curing tube has been solved.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a top view of the present invention;

FIG. 3 is an enlarged view of the utility model at A in FIG. 2.

Wherein: 1. a work table; 2. a hot blast stove; 3. an evaporation tube; 4. curing the tube; 5. an isolation pipe; 6. a first connecting ring; 7. a second connection ring; 8. a first intake pipe; 9. a first exhaust pipe; 10. a second intake pipe; 11. a second exhaust pipe; 12. a gas collecting pipe; 13. a first shunt pipe; 14. a second shunt pipe; 15. a flow guide pipe; 16. an air temperature meter; 17. a rotating shaft; 18. a sphere; 19. a main air passage; 20. shunting an air passage; 21. an exhaust hole; 22. and (4) a guide wheel.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 invention.

Referring to fig. 1-3, a hot air circulation heating enamel wire drying furnace comprises a workbench 1 and a hot air furnace 2, wherein the hot air furnace 2 is a thermal power machine, which integrates combustion and heat exchange into a whole, and adopts a new indirect heating technology for heat exchange at a high-temperature part of a furnace body, smoke and air respectively flow in different ways, the heating is pollution-free, the thermal efficiency is high, and the enamel wire drying furnace has the advantages of quick temperature rise, small volume, convenient installation, reliable use and the like, an evaporation pipe 3 and a curing pipe 4 are arranged at the top of the workbench 1, an isolation pipe 5 is arranged at the top of the workbench 1, the isolation pipe 5 can effectively avoid air convection in the evaporation pipe 3 and the curing pipe 4, and can prevent heat exchange of air in the two pipes, the evaporation pipe 3 is connected with the isolation pipe 5 through a first connecting ring 6, the isolation pipe 5 is connected with the curing pipe 4 through a second connecting ring 7, each isolation pipe 5 is provided with a first connecting ring 6 and a second connecting ring 7, the inner diameter of the first connecting ring 6 is smaller than that of the evaporating pipe 3, the inner diameter of the second connecting ring 7 is smaller than that of the curing pipe 4, the inner diameter of the first connecting ring 6 is the same as that of the second connecting ring 7, the inner diameter of the first connecting ring 6 and the inner diameter of the second connecting ring 7 are both slightly larger than that of an enameled wire, convection of hot air between the evaporating pipe 3 and the curing pipe 4 can be effectively reduced, a first air inlet pipe 8 and a first exhaust pipe 9 are arranged at the top of the evaporating pipe 3, each evaporating pipe 3 is provided with a first air inlet pipe 8 and a first exhaust pipe 9, a second air inlet pipe 10 and a second exhaust pipe 11 are arranged at the top of the curing pipe 4, and each curing pipe 4 is provided with a second air inlet pipe 10 and a second exhaust pipe 11.

A first shunt pipe 13 is arranged at the top end of the first air inlet pipe 8, a second shunt pipe 14 is arranged at the top end of the second air inlet pipe 10, a guide pipe 15 is connected to the rear sides of the first shunt pipe 13 and the second shunt pipe 14, the guide pipe 15 is connected with a sphere 18 through a rotating shaft 17, a through groove is formed in the inner top wall of the guide pipe 15, the bottom end of the rotating shaft 17 is fixedly connected with the top of the sphere 18, the rotating shaft 17 is positioned inside the through groove, a hand wheel is fixedly connected to the top end of the rotating shaft 17, a main air passage 19 is formed inside the sphere 18, the inside of the main air passage 19 is communicated with the inside of the guide pipe 15, a shunt air passage 20 is formed inside the sphere 18, the inside of the shunt air passage 20 is communicated with the inside of the main air passage 19, an exhaust hole 21 is formed in the inner wall of the guide pipe 15, the inside of the exhaust hole 21 is communicated with the inside of the shunt air passage 20, an air inlet pipe is fixedly connected with an air inlet pipe inside of the exhaust hole 21, one end of the air inlet pipe far away from the guide pipe 15 is connected with an air outlet of an air pump, the rear end of the flow guide pipe 15 is connected with an air outlet of the hot blast stove 2, the top end of the first exhaust pipe 9 and the top end of the second exhaust pipe 11 are both provided with a gas collecting pipe 12, and an air outlet of the gas collecting pipe 12 is connected with air purification equipment in a factory through a guide pipe to purify gas containing paint steam.

The side of the gas collecting pipe 12 is provided with a thermometer 16, the thermometer 16 is fully called as a gas thermometer, the thermometer utilizes gas with certain mass as working substance, the temperature measured by the gas thermometer is identical with the thermodynamic temperature, and the effects of reducing the floor space of the drying oven and enhancing the heat utilization rate of the baking enameled wire are achieved through the mutual matching of the workbench 1, the hot blast stove 2, the evaporating pipe 3, the curing pipe 4, the isolating pipe 5, the first connecting ring 6, the second connecting ring 7, the first gas inlet pipe 8, the first exhaust pipe 9, the second gas inlet pipe 10, the second exhaust pipe 11, the gas collecting pipe 12, the first shunt pipe 13, the second shunt pipe 14, the shunt pipe 15 and the thermometer 16, the problems that the floor space of the existing drying oven is large and the heat utilization rate of the drying oven is low when the baking enameled wire is baked are solved, the right end of the evaporating pipe 3 and the left end of the curing pipe 4 are both provided with end covers, a wire groove is formed in the center of the end cover, the diameter of the wire groove is slightly larger than that of an enameled wire, guide wheels 22 are arranged on the inner bottom wall of the evaporation tube 3 and the inner bottom wall of the curing tube 4, the height of the side surface of each guide wheel 22 is equal to that of the center line of the wire groove, and through the mutual matching of the guide tube 15, the thermometer 16, the rotating shaft 17, the hand wheel, the ball 18, the main air duct 19, the flow dividing air duct 20, the exhaust hole 21 and the air inlet tube, the rotating shaft 17 can be driven to rotate through the hand wheel, so that the positions of the main air duct 19 and the flow dividing air duct 20 on the ball 18 are adjusted, the proportion of air inflow between the air inlet tube and the guide tube 15 is controlled, the effect of conveniently adjusting the temperature of gas in the evaporation tube 3 and the curing tube 4 is achieved, and the problem that the temperature of the gas in the evaporation tube 3 and the curing tube is not easy to adjust is solved.

When the hot blast stove is used, the hot blast stove 2 is firstly opened, high-temperature gas can be respectively introduced into the first shunt pipe 13 and the second shunt pipe 14 through the diversion pipe 15 by the hot blast stove 2, then the air pump is opened, low-temperature air can be introduced into the diversion pipe 15 through the air inlet pipe by the air pump, then the relative positions of the two spheres 18 and the diversion pipe 15 are respectively adjusted by rotating the hand wheels on the left side and the right side, and the overlapping area of the end surface of the diversion air passage 20 and the end surface of the exhaust hole 21 is controlled, so that the function of adjusting the air inflow of the low-temperature air is achieved, after the high-temperature air is mixed with the low-temperature air, the temperature of the gas in the diversion pipe 15 is reduced until the temperature of the gas in the first shunt pipe 13 and the second shunt pipe 14 is adjusted to a proper value, one end of a wire sequentially passes through the evaporation pipe 3, the isolation pipe 5 and the curing pipe 4, at the moment, the wire is positioned in the wire slot, and the top of the guide wheel 22 is abutted against the bottom of the wire, the wire is provided with upward supporting force, finally, when the wire passes through the evaporation tube 3, paint on the surface of the wire is evaporated under high-temperature gas, the evaporated paint vapor is discharged into air purification equipment in a factory through the first exhaust tube 9, and when the wire passes through the curing tube 4, the high-temperature gas in the curing tube 4 provides reaction conditions for the cross-linking curing reaction of the paint base until the paint on the surface of the wire is cured.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an enameled wire drying furnace of heated air circulation heating, includes workstation (1) and hot-blast furnace (2), its characterized in that: the top of the workbench (1) is provided with an evaporating pipe (3) and a curing pipe (4), the top of the workbench (1) is provided with an isolation pipe (5), the evaporating pipe (3) is connected with the isolation pipe (5) through a first connecting ring (6), the isolation pipe (5) is connected with the curing pipe (4) through a second connecting ring (7), the top of the evaporating pipe (3) is provided with a first air inlet pipe (8) and a first exhaust pipe (9), the top of the curing pipe (4) is provided with a second air inlet pipe (10) and a second exhaust pipe (11), the top end of the first air inlet pipe (8) is provided with a first shunt pipe (13), the top end of the second air inlet pipe (10) is provided with a second shunt pipe (14), the rear sides of the first shunt pipe (13) and the second shunt pipe (14) are both connected with a draft tube (15), and the rear end of the draft tube (15) is connected with an air outlet of the hot blast stove (2), the top of first blast pipe (9) and the top of second blast pipe (11) all are provided with gas collecting pipe (12), the side of gas collecting pipe (12) is provided with air temperature meter (16), the right-hand member of evaporating pipe (3) and the left end of curing tube (4) all are provided with the end cover, the wire casing has been seted up in the center department of end cover.

2. The enameled wire drying oven heated by hot air circulation according to claim 1, characterized in that: the inner diameter of the first connecting ring (6) is smaller than that of the evaporation tube (3), the inner diameter of the second connecting ring (7) is smaller than that of the curing tube (4), and the inner diameter of the first connecting ring (6) is the same as that of the second connecting ring (7).

3. The enameled wire drying oven heated by hot air circulation according to claim 1, characterized in that: the honeycomb duct (15) is connected with a sphere (18) through a rotating shaft (17), and a main air passage (19) is formed in the sphere (18).

4. The enameled wire drying oven heated by hot air circulation according to claim 3, characterized in that: the inside of spheroid (18) has seted up reposition of redundant personnel air flue (20), exhaust hole (21) have been seted up to the inner wall of honeycomb duct (15), the inside fixedly connected with intake pipe in exhaust hole (21).

5. The enameled wire drying oven heated by hot air circulation according to claim 3, characterized in that: logical groove has been seted up to the interior roof of honeycomb duct (15), the bottom of pivot (17) and the top fixed connection of spheroid (18), pivot (17) are located the inside in logical groove, the top fixedly connected with hand wheel of pivot (17).

6. The enameled wire drying oven heated by hot air circulation according to claim 1, characterized in that: guide wheels (22) are arranged on the inner bottom wall of the evaporation tube (3) and the inner bottom wall of the curing tube (4), and the height of the side surface of each guide wheel (22) is equal to that of the center line of the wire groove.