CN219674780U

CN219674780U - Multi-rod heating furnace

Info

Publication number: CN219674780U
Application number: CN202321094275.7U
Authority: CN
Inventors: 黄孝庭; 凌云; 黄威
Original assignee: Foshan Nanhai District Qichengda Machinery Co ltd
Current assignee: Foshan Nanhai District Qichengda Machinery Co ltd
Priority date: 2023-05-08
Filing date: 2023-05-08
Publication date: 2023-09-12
Anticipated expiration: 2033-05-08

Abstract

The utility model relates to the technical field of heating furnaces, in particular to a multi-rod heating furnace, which comprises a supporting frame, wherein a furnace body is fixedly arranged on the inner wall of the supporting frame, a heat collector is fixedly arranged on one side of the top of the furnace body, a combustion fire gun is fixedly arranged on one side of the bottom of the furnace body, a communicated heat recovery pipe is fixedly arranged between one side of the heat collector and one side of the combustion fire gun, a first switch valve is arranged at the bottom of the heat recovery pipe, and a communicated furnace waste gas exhaust pipe is fixedly arranged between one side of the top of the furnace body and one side of the top of the heat collector. According to the utility model, a rotary multi-rod heating furnace structure is formed, so that aluminum rods are heated uniformly, the working speed of the heating furnace is improved, the waste gas heat in the furnace body is recycled and reused for numerous times in a waste heat recovery mode, the purposes of energy conservation and environmental protection are achieved, the problems of energy waste in waste gas and greenhouse effect on the environment are avoided, and the heat energy collection efficiency is greatly improved.

Description

Multi-rod heating furnace

Technical Field

The utility model relates to the technical field of heating furnaces, in particular to a multi-rod heating furnace.

Background

The aluminum bar heating equipment is an induction heating furnace specially designed and manufactured for heating aluminum bars, is applied to the pre-forging heating and post-heating extrusion procedures of the aluminum bars, has high heating speed and good heat permeability, is deeply favored by the aluminum bar heating industry, and is divided into a single-bar heating furnace and a multi-bar heating furnace, wherein the single-bar heating furnace is used for heating a single round aluminum bar before extrusion of aluminum profiles to reach extrusion temperature and cutting the single round aluminum bar into proper lengths for an aluminum extruder; the multi-rod heating furnace is used for heating a plurality of aluminum round rods before extrusion of the aluminum profile to reach the extrusion temperature and cutting the aluminum round rods into proper lengths for the extrusion machine of the aluminum profile. At present, the multi-rod furnace has excessive wasted resources due to the defect of high energy consumption, so that the multi-rod furnace needs to be improved.

Through retrieving, patent publication number CN 217715878U's a middle heating type multi-rod furnace, including heating element, heating element is including heating base, heating shell, flexible outer pole, connecting plate and servo motor, heating base's surface mounting has heating shell, heating shell is including flexible inner rod and heating ring body, flexible inner rod transversely installs the internal surface at heating shell, the inside at heating shell is transversely installed to the heating ring body. In the process of realizing the scheme, the following problems in the prior art are found to be not solved well: in the prior art, when the multi-rod furnace works, the temperature of the generated waste gas is higher, and a large amount of waste heat energy is contained, so that in order to avoid the waste of the energy and the greenhouse effect to the environment, people reuse the waste heat in the waste gas in a waste heat recovery mode, but the heat recovery in the market at present can only realize secondary utilization and can not realize endless recycling, so that the other heat utilization rate is lower, and therefore, the design of the multi-rod heating furnace is needed to solve the problems.

Disclosure of Invention

The utility model aims to provide a multi-rod heating furnace, which solves the problems that waste gas generated by the multi-rod heating furnace in the prior art can cause energy waste and greenhouse effect on the environment when the multi-rod heating furnace works, and waste heat in the waste gas is recycled by adopting a waste heat recycling mode, but the heat energy recycling in the market at present can only be used for the second time and cannot be recycled for a plurality of times, so that the other heat utilization rate is lower.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a many sticks heating furnace, includes the support frame, the inner wall fixed mounting of support frame has the furnace body, and the top one side fixed mounting of furnace body has the heat collector, and the bottom one side fixed mounting of furnace body has the burning rifle, and the one side of heat collector has communicating heat recovery pipe with the one side of burning rifle between, and the bottom of heat recovery pipe is provided with first ooff valve, the top one side of furnace body and the top one side of heat collector between fixed mounting have communicating stove waste gas calandria, and are provided with the second ooff valve on the stove waste gas calandria, the one end of heat collector is fixed with communicating air-supply line, and is provided with the third ooff valve on the air-supply line, fixed mounting has heat recovery combustion-supporting fan between the one end of air-supply line and the top of furnace body.

Preferably, a smoke exhaust pipe is fixed on the other side of the heat collector, and a fourth switch valve is arranged on the smoke exhaust pipe.

Preferably, an actuator is fixedly arranged at the middle position of the air inlet pipe, pressure gauges are fixedly arranged on two sides of the air inlet pipe, and the pressure gauges are distributed on two sides of the actuator.

Preferably, a smoke exhaust fan is fixedly arranged at the top of the heat collector, a communicated exhaust pipe is fixedly arranged between the top of the smoke exhaust fan and one side of the furnace exhaust pipe, and an exhaust pipe inserted into the heat collector is fixedly arranged at one side of the smoke exhaust fan.

Preferably, the heat collector, the first switch valve, the second switch valve, the third switch valve, the fourth switch valve, the heat recovery combustion fan and the smoke exhaust fan are all connected with a switch through wires, the switch is connected with a controller through wires, and the controller is connected with a power supply through wires.

Preferably, one end of the furnace body is provided with a furnace door, one side of the furnace door is provided with a feeding frame inserted into the furnace body, and the furnace door is provided with an opening and closing assembly.

Preferably, the opening and closing assembly comprises a forward and reverse rotation motor fixed at one end of the support frame, an output shaft of the forward and reverse rotation motor is fixedly provided with a threaded rod, one end of the threaded rod is rotationally connected with the inner wall of the other end of the support frame, the outer wall of the threaded rod is in threaded connection with a U-shaped movable frame, and one end of the U-shaped movable frame is fixedly connected with one end of the furnace door.

Preferably, a guide rod is fixed between one side of two ends of the support frame, a U-shaped guide frame is fixed at the other end of the furnace door, and a guide hole for the guide rod to pass through is formed in one end of the U-shaped guide frame.

Preferably, a cavity is formed in one side of the feeding frame, supporting rollers distributed at equal distances are rotationally connected between inner walls of two sides of the feeding frame, one end of each supporting roller is fixedly provided with a transmission shaft inserted into the cavity, one end of each transmission shaft is fixedly provided with a gear at intervals, and the bottoms of the gears are provided with a reciprocating rotating mechanism.

Preferably, the furnace door is provided with a movable opening which is the same as the cavity, the reciprocating rotary structure comprises an L-shaped rack plate meshed with the bottom of the gear, the L-shaped rack plate passes through the inside of the movable opening, and a reciprocating pushing cylinder is fixedly arranged between one end of the L-shaped rack plate and one side of the furnace door.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, a furnace body, a furnace door, a feeding frame, supporting rollers, a transmission shaft, a gear, a reciprocating rotating mechanism, an opening and closing assembly and the like are utilized to form a whole multi-rod heating furnace structure for aluminum rods, the aluminum rods are placed between two adjacent supporting rollers, the opening and closing assembly is utilized to drive the furnace door to automatically open, the feeding frame and the aluminum rods are driven to move back and forth in the furnace body, the effect of facilitating rapid feeding and discharging is realized, in the heating process of the aluminum rods, a reciprocating pushing cylinder in the reciprocating rotating mechanism is adopted to drive an L-shaped rack plate to move in a movable port and a cavity, and the gear, the transmission shaft, the supporting rollers and the aluminum rods are driven to rotate clockwise and anticlockwise back and forth to form the rotary multi-rod heating furnace structure, so that the aluminum rods are heated uniformly, and the working speed of the heating furnace is improved;

according to the utility model, waste gas generated during the operation of the heating furnace is discharged into the heat collector through the waste gas discharge pipe of the furnace, waste gas waste heat energy is collected through the heat collector, heat energy collected in the heat collector is blown into the combustion flame gun through the heat recovery combustion-supporting fan and the air inlet pipe and then flows back into the furnace body, so that waste gas heat in the furnace body is recycled in a waste heat recovery mode, a function of recycling waste heat energy for a plurality of times is formed, the purposes of saving energy and protecting environment are achieved, the problems of waste energy in waste gas and causing greenhouse effect to the environment are avoided, and the heat energy collection efficiency is greatly improved.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the utility model and together with the description, serve to explain the principles of the utility model.

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, and it will be obvious to a person skilled in the art that other drawings can be obtained from these drawings without inventive effort.

Fig. 1 is a schematic view of the overall structure of a multi-rod heating furnace.

FIG. 2 is a schematic diagram of a burning torch and an actuator of a multi-rod furnace.

FIG. 3 is a schematic view of a U-shaped guide frame and guide rod structure of a multi-rod heating furnace.

Fig. 4 is a schematic view of a feed frame and support roll structure of a multi-rod furnace.

FIG. 5 is a schematic view of a cavity and gear structure of a multi-rod furnace.

In the figure: 1. a support frame; 2. a furnace body; 3. a heat recovery tube; 4. a U-shaped movable frame; 5. a reciprocating pushing cylinder; 6. a furnace door; 7. a heat recovery combustion fan; 8. an air inlet pipe; 9. a heat collector; 10. a smoke exhaust fan; 11. an exhaust pipe; 12. a furnace exhaust gas duct; 13. a forward and reverse rotation motor; 14. a threaded rod; 15. a combustion flame gun; 16. a pressure gauge; 17. an actuator; 18. a smoke exhaust pipe; 19. an exhaust pipe; 20. u-shaped guide frames; 21. a guide rod; 22. a feed frame; 23. a support roller; 24. l-shaped rack plate; 25. a cavity; 26. a gear.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1-5, in an embodiment of the present utility model, a multi-rod heating furnace comprises a supporting frame 1, wherein a furnace body 2 is fixedly installed on an inner wall of the supporting frame 1, a heat collector 9 is fixedly installed on one side of the top of the furnace body 2, a combustion flame 15 is fixedly installed on one side of the bottom of the furnace body 2, a heat recovery pipe 3 communicated with one side of the heat collector 9 and one side of the combustion flame 15 is fixedly installed, a first switch valve is arranged at the bottom of the heat recovery pipe 3, a furnace exhaust pipe 12 communicated with one side of the top of the furnace body 2 and one side of the top of the heat collector 9 is fixedly installed, a second switch valve is arranged on the furnace exhaust pipe 12, a communicating air inlet pipe 8 is fixedly installed at one end of the heat collector 9, a third switch valve is arranged on the air inlet pipe 8, a combustion-supporting blower 7 is fixedly installed between one end of the air inlet pipe 8 and the top of the furnace body 2, the other side of the heat collector 9 is fixedly provided with a smoke exhaust pipe 18, the smoke exhaust pipe 18 is provided with a fourth switch valve, an actuator 17 is fixedly arranged at the middle position of the air inlet pipe 8, pressure gauges 16 are fixedly arranged on two sides of the air inlet pipe 8, the pressure gauges 16 are distributed on two sides of the actuator 17, a smoke exhaust fan 10 is fixedly arranged at the top of the heat collector 9, a communicated exhaust pipe 11 is fixedly arranged between the top of the smoke exhaust fan 10 and one side of a furnace exhaust pipe 12, one side of the smoke exhaust fan 10 is fixedly provided with an exhaust pipe 19 inserted into the heat collector 9, waste gas heat in the furnace body 2 is recycled in a circulating manner for a plurality of times in a waste heat recovery mode, the purposes of energy conservation and environmental protection are achieved, and when ignition fails, the smoke exhaust fan 10 works, and unburned gas in the furnace body 2 can be exhausted out of the furnace.

Specifically, the heat collector 9, the first switch valve, the second switch valve, the third switch valve, the fourth switch valve, the heat recovery combustion fan 7 and the smoke exhaust fan 10 are all connected with a switch through wires, the switch is connected with a controller through wires, and the controller is connected with a power supply through wires.

Specifically, one end of the furnace body 2 is provided with a furnace door 6, and one side of the furnace door 6 is provided with a feeding frame 22 inserted into the furnace body 2.

Specifically, the inner walls of the two sides of the feeding frame 22 are rotatably connected with supporting rollers 23 which are distributed at equal intervals, and a structure for supporting a plurality of aluminum bars in the multi-bar heating furnace is formed by using the supporting rollers 23.

Example 2

Referring to fig. 1 and 3, the first difference from the embodiment is that: be provided with the subassembly that opens and shuts on the furnace gate 6, the subassembly that opens and shuts is including fixing the positive and negative motor 13 at support frame 1 one end, and the output shaft fixed mounting of positive and negative motor 13 has threaded rod 14, the one end of threaded rod 14 is connected with the other end inner wall rotation of support frame 1, the outer wall spiro union of threaded rod 14 has U type to remove frame 4, and the one end of U type removes frame 4 and the one end fixed connection of furnace gate 6, utilize positive and negative motor 13 in the subassembly that opens and shuts to drive threaded rod 14 rotation, adjust the position of U type removes frame 4, drive furnace gate 6 and open automatically, drive feeding frame 22 and aluminium bar round trip movement in furnace body 2, the effect of being convenient for fast feed and discharge has been realized.

Specifically, a guide rod 21 is fixed between one side of two ends of the support frame 1, a U-shaped guide frame 20 is fixed at the other end of the furnace door 6, a guide hole for the guide rod 21 to pass through is formed in one end of the U-shaped guide frame 20, and when the furnace door 6 moves, the U-shaped guide frame 20 moves on the guide rod 21 to keep the stability of the furnace door 6.

Example 3

Referring to fig. 1, 4 and 5, the first difference from the embodiment is that: a cavity 25 is formed in one side of the feeding frame 22, transmission shafts inserted into the cavity 25 are fixed at one ends of the supporting rollers 23, a gear 26 is fixed at one end of each transmission shaft, and a reciprocating rotating mechanism is arranged at the bottom of the gear 26.

Specifically, offer the activity mouth the same with cavity 25 on the furnace gate 6, and reciprocal revolution mechanic is including meshing in the L type rack board 24 of gear 26 bottom, L type rack board 24 passes the inside of activity mouth, fixed mounting has reciprocal jar 5 that pushes away between one end of L type rack board 24 and one side of furnace gate 6, adopt reciprocal jar 5 that pushes away in the reciprocal revolution mechanic to drive L type rack board 24 and move about in activity mouth and cavity 25, drive gear 26, transmission shaft and backing roll 23 and aluminium bar clockwise, anticlockwise round trip rotation operation, form rotatory many stick heating furnace structures for the aluminium bar is heated evenly.

The working principle of the utility model is as follows: when in use, a user utilizes the furnace body 2, the furnace door 6, the feeding frame 22, the supporting rollers 23, the transmission shaft, the gear 26, the reciprocating rotating mechanism, the opening and closing assembly and the like to form a multi-rod heating furnace structure for aluminum rods, the aluminum rods are placed between two adjacent supporting rollers 23, the positive and negative rotating motor 13 in the opening and closing assembly is utilized to drive the threaded rod 14 to rotate, the position of the U-shaped movable frame 4 is regulated, the furnace door 6 is driven to be automatically opened, the feeding frame 22 and the aluminum rods are driven to move back and forth in the furnace body 2, the effect of facilitating rapid feeding and discharging is realized, in the heating process of the aluminum rods, the reciprocating pushing cylinder 5 in the reciprocating rotating mechanism is adopted to drive the L-shaped rack plate 24 to move in the movable port and the cavity 25, the gear 26, the transmission shaft, the supporting rollers 23 and the aluminum rods are driven to rotate clockwise and anticlockwise back and forth, and the rotary multi-rod heating furnace structure is formed, the aluminum bar is heated uniformly, the heating furnace is operated, the burning flame 15 is ignited, waste gas generated during heating is discharged into the heat collector 9 through the furnace waste gas discharge pipe 12, heat energy is collected through the heat collector 9, the heat recovery combustion fan 7 is started, the air pressure quantity is controlled through the actuator 17, the front and rear air pressure readings are measured through the pressure gauge 16, the proper air pressure is blown into the heat collector 9, the collected heat energy is blown back into the burning flame 15, the burning flame 15 is used for spraying the collected heat energy back into the furnace lifting 2, the cyclic operation is repeated, so that waste gas heat in the furnace body 2 is recycled in an endless cycle mode in a waste heat recovery mode, the purposes of energy conservation and environmental protection are achieved, when the ignition fails, the smoke exhaust fan 10 is operated, and unburned gas in the furnace body 2 is discharged out of the furnace.

The last points to be described are: first, in the description of the present utility model, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," "fixed," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;

secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;

again: the flow algorithm and the program related to the working process of the controller are not in the protection scope of the utility model, and the related flow algorithm and program can be obtained by a person skilled in the art through a conventional technology, so the method is only used for understanding the application of the controller in the utility model by the person skilled in the art;

finally: the foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims

1. The utility model provides a many sticks heating furnace, includes support frame (1), its characterized in that: the utility model discloses a boiler comprises a furnace body (2) and is characterized in that the inner wall of a support frame (1) is fixedly provided with the furnace body (2), a heat collector (9) is fixedly arranged on one side of the top of the furnace body (2), a combustion flame gun (15) is fixedly arranged on one side of the bottom of the furnace body (2), a communicated heat recovery pipe (3) is fixedly arranged between one side of the heat collector (9) and one side of the combustion flame gun (15), a first switch valve is arranged at the bottom of the heat recovery pipe (3), a communicated furnace exhaust gas exhaust pipe (12) is fixedly arranged between one side of the top of the furnace body (2) and one side of the top of the heat collector (9), a second switch valve is arranged on the furnace exhaust gas exhaust pipe (12), a communicated air inlet pipe (8) is fixedly arranged at one end of the heat collector (9), a third switch valve is arranged on the air inlet pipe (8), and a heat recovery combustion-supporting fan (7) is fixedly arranged between one end of the air inlet pipe (8) and the top of the furnace body (2).

2. A multi-rod heating furnace according to claim 1, wherein: a smoke exhaust pipe (18) is fixed on the other side of the heat collector (9), and a fourth switch valve is arranged on the smoke exhaust pipe (18).

3. A multi-rod heating furnace according to claim 2, wherein: an actuator (17) is fixedly arranged at the middle position of the air inlet pipe (8), pressure gauges (16) are fixedly arranged on two sides of the air inlet pipe (8), and the pressure gauges (16) are distributed on two sides of the actuator (17).

4. A multi-rod heating furnace according to claim 3, wherein: the top of the heat collector (9) is fixedly provided with a smoke exhaust fan (10), a communicated exhaust pipe (11) is fixedly arranged between the top of the smoke exhaust fan (10) and one side of a furnace exhaust pipe (12), and one side of the smoke exhaust fan (10) is fixedly provided with an exhaust pipe (19) inserted into the heat collector (9).

5. A multi-rod heating furnace according to claim 4, wherein: the heat collector (9), the first switch valve, the second switch valve, the third switch valve, the fourth switch valve, the heat recovery combustion fan (7) and the smoke exhaust fan (10) are all connected with a switch through wires, the switch is connected with a controller through wires, and the controller is connected with a power supply through wires.

6. A multi-rod heating furnace according to claim 5, wherein: one end of the furnace body (2) is provided with a furnace door (6), one side of the furnace door (6) is provided with a feeding frame (22) inserted into the furnace body (2), and the furnace door (6) is provided with an opening and closing assembly.

7. A multi-rod heating furnace according to claim 6, wherein: the opening and closing assembly comprises a forward and reverse rotation motor (13) fixed at one end of the support frame (1), a threaded rod (14) is fixedly arranged on an output shaft of the forward and reverse rotation motor (13), one end of the threaded rod (14) is rotationally connected with the inner wall of the other end of the support frame (1), a U-shaped movable frame (4) is screwed on the outer wall of the threaded rod (14), and one end of the U-shaped movable frame (4) is fixedly connected with one end of the furnace door (6).

8. A multi-rod heating furnace according to claim 7, wherein: a guide rod (21) is fixed between one side of two ends of the supporting frame (1), a U-shaped guide frame (20) is fixed at the other end of the furnace door (6), and a guide hole for the guide rod (21) to pass through is formed in one end of the U-shaped guide frame (20).

9. A multi-rod heating furnace according to claim 8, wherein: one side of the feeding frame (22) is internally provided with a cavity (25), supporting rollers (23) which are distributed at equal distances are rotationally connected between the inner walls of the two sides of the feeding frame (22), one end of each supporting roller (23) is fixedly provided with a transmission shaft which is inserted into the cavity (25), one end of each transmission shaft is fixedly provided with a gear (26) at intervals, and the bottoms of the gears (26) are provided with a reciprocating rotating mechanism.

10. A multi-rod heating furnace according to claim 9, wherein: the furnace door (6) is provided with a movable opening which is the same as the cavity (25), the reciprocating rotary structure comprises an L-shaped rack plate (24) meshed with the bottom of a gear (26), the L-shaped rack plate (24) penetrates through the inside of the movable opening, and a reciprocating pushing cylinder (5) is fixedly arranged between one end of the L-shaped rack plate (24) and one side of the furnace door (6).