CN217377950U

CN217377950U - Wire pole coiled material annealing stove

Info

Publication number: CN217377950U
Application number: CN202220179989.7U
Authority: CN
Inventors: 陈景阁; 罗文祥; 余广松; 闫辉
Original assignee: Suzhou Longray Thermal Technology Co Ltd
Current assignee: Suzhou Longray Thermal Technology Co Ltd
Priority date: 2022-01-24
Filing date: 2022-01-24
Publication date: 2022-09-06
Anticipated expiration: 2032-01-24

Abstract

The utility model discloses a line pole coiled material annealing stove, include: a furnace body having a hearth therein; the fluid director is accommodated in the hearth, and a first flow guide channel and an accommodating cavity communicated with the first flow guide channel are formed in the fluid director; the circulating fan comprises a first air outlet connected with the first flow guide channel and a return air inlet connected with the accommodating cavity; the heating device is accommodated in the first flow guide channel; the material tray is arranged in the containing cavity and used for bearing coiled materials, the material tray comprises a guide sleeve, the coiled materials are concentrically sleeved on the periphery of the guide sleeve, an inner ring airflow channel is formed between an inner ring of the coiled materials and the guide sleeve, an outer ring airflow channel is formed between an outer ring of the coiled materials and the fluid director and flows into the containing cavity along the outer ring airflow channel and the inner ring airflow channel simultaneously and flows back to the air return opening. The utility model discloses can realize the quick even heating of coiled material.

Description

Wire pole coiled material annealing furnace

Technical Field

The utility model relates to an annealing furnace, in particular to a line pole coiled material annealing furnace.

Background

In the processing process of the wire rod coiled materials such as the wire rod aluminum material and the like, recrystallization annealing needs to be carried out, the temperature of the wire rod coiled materials needs to be rapidly raised in an annealing furnace in the process of recrystallization annealing, and meanwhile, the uniformity of heating the wire rod needs to be ensured, so that the requirements on the power, the heating speed and the uniformity of the annealing furnace are very high. However, the conventional annealing furnace has a low heating speed and non-uniform heating of the wire, thereby causing a low yield of the wire.

Accordingly, there is a need for improvements in the art that overcome the deficiencies in the prior art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a line pole coiled material annealing stove to realize the quick even heating of line pole coiled material.

The utility model aims at realizing through the following technical scheme: a coil rod annealing furnace comprising: a furnace body having a hearth therein; the fluid director is accommodated in the hearth, and a first flow guide channel and an accommodating cavity communicated with the first flow guide channel are formed in the fluid director; the circulating fan comprises a first air outlet connected with the first flow guide channel and a return air inlet connected with the accommodating cavity; the heating device is accommodated in the first flow guide channel; the material tray is arranged in the containing cavity and used for bearing coiled materials, the material tray comprises a guide sleeve, the coiled materials are concentrically sleeved on the periphery of the guide sleeve, an inner ring of the coiled materials and an inner ring airflow channel are formed between the guide sleeve, an outer ring of the coiled materials and an outer ring airflow channel are formed between the fluid directors and flow into the air flow of the containing cavity along the outer ring airflow channel and the inner ring airflow channel back to the air return opening.

Furthermore, the accommodating cavity comprises a second air outlet connected with the air return opening and an air inlet communicated with the first flow guide channel, and the second air outlet and the air inlet are respectively positioned at the top and the bottom of the accommodating cavity.

Further, the guide sleeve extends upwards from the bearing end face of the charging tray along the vertical direction.

Further, the outer diameter of the end part of the guide sleeve is gradually reduced from bottom to top.

Furthermore, the material tray is provided with an inner ring flow guide hole and an outer ring flow guide hole in a through manner along the vertical direction, the inner ring flow guide hole is communicated with the inner ring airflow channel, the outer ring flow guide hole is communicated with the outer ring airflow channel, and the airflow flowing into the accommodating cavity from the air inlet can flow into the inner ring airflow channel and the outer ring airflow channel through the inner ring flow guide hole and the outer ring flow guide hole respectively.

Furthermore, a second flow guide channel communicated with the air inlet is formed between the material tray and the bottom of the accommodating cavity, and the second flow guide channel is respectively communicated with the inner ring flow guide hole and the outer ring flow guide hole.

Further, a gap is formed between the material tray and the fluid director.

Furthermore, a plurality of guide sleeves are arrayed on the material tray to arrange a plurality of coiled materials, and the circulating fan, the inner ring flow guide holes and the outer ring flow guide holes are in a plurality and are in one-to-one correspondence with the coiled materials.

Further, the heating device is arranged at a position close to the first air outlet, and the heating device corresponds to the circulating fans one by one.

Further, the annealing furnace also comprises a cooling device, and the cooling device is communicated with the accommodating cavity.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model is provided with the fluid director with the first diversion channel and the holding cavity, the air current blown out from the circulating fan can heat the outside of the holding cavity along the first diversion channel and then flows into the holding cavity for reheating, and the inside and outside of the holding cavity are heated uniformly; the guide sleeve is arranged on the material tray, the coiled material is concentrically sleeved on the periphery of the guide sleeve, the inner ring airflow channel is formed between the inner ring of the coiled material and the guide sleeve, the outer ring airflow channel is formed between the outer ring of the coiled material and the fluid director, and after airflow flows into the accommodating cavity, the airflow can flow out of the accommodating cavity under the guide of the inner ring airflow channel and the outer ring airflow channel, so that the airflow circulation speed is improved, and the rapid heating is realized; and the inner and outer rings of the coiled material can be effectively heated, so that the heating uniformity of the coiled material is improved.

Drawings

FIG. 1 is a sectional view of the annealing furnace of the present invention in a front view.

FIG. 2 is a sectional view of the annealing furnace in a side view direction.

FIG. 3 is a cross-sectional view of the annealing furnace of the present invention in a plan view.

Fig. 4 is a schematic view of the installation of the material tray and the coiled material in the front view direction of the present invention.

Fig. 5 is a schematic view of the installation of the material tray and the coiled material in the overlooking direction of the present invention.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying figures are described in detail below. It is to be understood that the specific embodiments described herein are merely illustrative of the application and are not limiting of the application. It should be further noted that, for the convenience of description, only some of the structures related to the present application are shown in the drawings, not all of the structures. 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 application.

The terms "comprising" and "having," as well as any variations thereof, in this application are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

Referring to fig. 1 to 5, a wire rod coil annealing furnace according to a preferred embodiment of the present invention includes: a furnace body 100 having a furnace chamber 11 therein; the deflector 200 is accommodated in the hearth 11, and a first deflector channel 31 and an accommodating cavity 21 communicated with the first deflector channel 31 are formed in the deflector 200; the circulating fan 400 comprises a first air outlet 41 connected with the first flow guide channel 31 and a return air inlet 42 connected with the accommodating cavity 21; and a heating device 500 accommodated in the first flow guide passage 31; wherein, a tray 600 for bearing the coiled material 700 is arranged in the accommodating cavity 21, the tray 600 comprises a guide sleeve 61, the coiled material 700 is concentrically sleeved on the periphery of the guide sleeve 61, an inner ring airflow channel 32 is formed between the inner ring of the coiled material 700 and the guide sleeve 61, an outer ring airflow channel 33 is formed between the outer ring of the coiled material 700 and the fluid director 200, and the airflow flowing into the accommodating cavity 21 simultaneously flows back to the return air inlet 42 along the outer ring airflow channel 33 and the inner ring airflow channel 32

By arranging the fluid director 200 with the first diversion channel 31 and the accommodating cavity 21, the air flow blown out from the circulating fan 400 can heat the outer side of the accommodating cavity 21 along the first diversion channel 31 and then flow into the accommodating cavity 21 for reheating, and the inner and outer heating of the accommodating cavity 21 is uniform; by arranging the guide sleeve 61 on the tray 600, concentrically sleeving the coiled material 700 on the periphery of the guide sleeve 61, forming the inner ring airflow channel 32 between the inner ring of the coiled material 700 and the guide sleeve 61, and forming the outer ring airflow channel 33 between the outer ring of the coiled material 700 and the fluid director 200, after airflow flows into the accommodating cavity 21, the airflow can flow out of the accommodating cavity 21 under the guide of the inner ring airflow channel 32 and the outer ring airflow channel 33, so that the airflow circulation speed is improved, and rapid heating is realized; and the inside and the outside of the coil 700 can be effectively heated, so that the heating uniformity of the coil 700 is improved.

Further, the flow guider 200 is a hood structure, which is fixed on the bottom surface of the firebox 11 to form a relatively closed accommodating chamber 21. The first flow guiding channel 31 is located outside the accommodating cavity 21. The accommodating cavity 21 includes a second air outlet 211 connected to the air return opening 42 and an air inlet 212 communicated with the first flow guide channel 31. Preferably, the second outlet 211 and the inlet 212 are respectively located at the top and the bottom of the accommodating chamber 21, so that the airflow entering from the inlet 212 can heat the accommodating chamber 21 without dead space. Because the bottom of the deflector 200 is connected with the hearth 11, the air inlet 212 is arranged on the side of the deflector 200 close to the bottom.

Further, the axial direction of the roll 700 is the same as the vertical direction. The guide sleeve 61 extends upwards from the bearing end face of the tray 600 along the vertical direction, the end part of the guide sleeve 61 is in a conical structure, and the outer diameter of the guide sleeve is gradually reduced from bottom to top, so that the airflow flowing out of the inner ring airflow channel 32 can flow to the circulating fan 400 in a centralized manner.

Further, the tray 600 is vertically provided with an inner ring diversion hole 62 and an outer ring diversion hole 63 in a through manner, the inner ring diversion hole 62 is communicated with the inner ring airflow channel 32, the outer ring diversion hole 63 is communicated with the outer ring airflow channel 33, and the airflow flowing into the accommodating cavity 21 through the air inlet 212 can respectively flow into the inner ring airflow channel 32 and the outer ring airflow channel 33 through the inner ring diversion hole 62 and the outer ring diversion hole 63. In one embodiment, inner deflector holes 62 are formed in an annular configuration around the inner circumference of coil 700, and outer deflector holes 63 are formed in an annular configuration around the outer circumference of coil 700. Specifically, the charging tray 600 is provided with an inner ring guide hole and an outer ring guide hole which are larger than the diameter of the coiled material 700 in a penetrating manner along the vertical direction, and the guide sleeve 61 is concentrically connected in the inner ring guide hole and the outer ring guide hole through a connecting structure. The coiled material 700 is concentrically arranged in the inner and outer ring diversion holes, the inner ring of the coiled material 700 is matched with the guide sleeve 61 to form an inner ring diversion hole 62, and the outer ring of the coiled material 700 is matched with the inner and outer ring diversion holes to form an outer ring diversion hole 63.

Further, the tray 600 is connected with the deflector 200 through the support member 12, and the air inlet 212 is located below the tray 600. A second diversion channel 34 communicated with the air inlet 212 is formed between the tray 600 and the bottom of the accommodating cavity 21, and the second diversion channel 34 is respectively communicated with the inner ring diversion hole 62 and the outer ring diversion hole 63.

Preferably, in order to avoid the airflow from flowing to the dead space, the tray 600 is of a closed structure in the vertical direction, so that the airflow entering the second diversion channel 34 can effectively enter the inner ring diversion hole 62 and the outer ring diversion hole 63, and thus the heating can be performed in a targeted manner, the heating efficiency is improved, and meanwhile, the work of the circulating fan 400 is smaller, and the energy is saved. In particular, a steel plate may be used for the mending so that the air flow in the receiving chamber 21 circulates in an organized circulation path.

Preferably, there is a gap between the tray 600 and the deflector 200, so that the airflow from the air inlet 212 can enter the outer ring airflow channel 33 through the gap, so as to improve the inflow efficiency of the outer ring airflow channel 33.

Further, in one embodiment, a plurality of guide sleeves 61 are arranged on the tray 600 to simultaneously array a plurality of coils 700, with the coils 700 spaced from one another 700 so as not to limit heating of the outer ring. Correspondingly, a plurality of inner ring diversion holes 62 and outer ring diversion holes 63 are also arranged and correspond to the coiled materials 700 one by one. The outer-ring diversion holes 63 can divide the outer-ring airflow channel 33 into a plurality of airflow channel portions which are orderly surrounded on the outer ring of the coiled material 700, so that the outer rings of the coiled materials 700 can be rapidly and uniformly heated in a targeted manner. The number of the circulation fans 400 is plural, and is one-to-one corresponding to the rolls 700.

Further, the circulating fan 400 is located right above the coiled material 700, and the circulating fan 400 is fixed on the furnace body 100 and extends into the first diversion channel 31, and a high-pressure and high-flow fan is specifically adopted to increase the airflow circulation speed.

Further, the heating devices 500 are fixed on the furnace body 100 and disposed at a position close to the first air outlet 41, and the number of the heating devices 500 is multiple and is in one-to-one correspondence with the circulating fans 400.

Further, the annealing furnace further comprises a cooling device 800, and the cooling device 800 is communicated with the accommodating cavity 21 so as to cool the coiled material 700 in the accommodating cavity 21 as required.

The cooling device 800 comprises a cooling main machine 81, and an inflow pipeline 82 and an outflow pipeline 83 connected with the cooling main machine 81, wherein the inflow pipeline 82 and the outflow pipeline 83 are both communicated with the accommodating chamber 21, the inflow pipeline 82 is used for inputting cold flow into the accommodating chamber 21, and the outflow pipeline 83 is used for outputting heat flow after heat exchange to the accommodating chamber 21, so as to perform circulating heat exchange on the accommodating chamber 21.

The utility model discloses the working process is as follows: placing the coiled material 700 on the tray 600 and concentrically arranging with the guide sleeve 61; the circulating fan 400 and the heating device 500 are started, the airflow blown out from the first air outlet 41 of the circulating fan 400 can flow vertically downwards along the first diversion channel 31 after being heated by the heating device 500, and flows into the second diversion channel 34 from the air inlet 212; the airflow in the second diversion channel 34 is divided and guided by the plurality of outer ring diversion holes 63 and the plurality of inner ring diversion holes 62 and then vertically flows upwards into the outer ring airflow channel 33 and the plurality of inner ring airflow channels 32 so as to uniformly heat the inner rings and the outer rings of the plurality of coiled materials 700 at the same time; the air flow after heating the coiled material 700 may sequentially flow back to the circulation fan 400 through the second air outlet 211 and the air return opening 42, thereby realizing circulation heating; after heating, the cooling device 800 is activated as needed to cool the coil 700.

To sum up, the utility model discloses a high pressure, large-traffic circulating fan to the mode of founding high-speed airflow channel can effectively realize the quick even heating of coiled material, ensures to satisfy the recrystallization annealing demand of coiled material.

The above description is only for the purpose of illustrating embodiments of the present invention and is not intended to limit the scope of the present invention, and all modifications, equivalents, and equivalent structures or equivalent processes that can be used directly or indirectly in other related fields of technology shall be encompassed by the present invention.

Claims

1. A coil annealing furnace for wire rods, comprising:

a furnace body (100) having a furnace chamber (11) therein;

the flow guider (200) is accommodated in the hearth (11), and a first flow guide channel (31) and an accommodating cavity (21) communicated with the first flow guide channel (31) are formed in the flow guider (200);

the circulating fan (400) comprises a first air outlet (41) connected with the first flow guide channel (31) and a return air inlet (42) connected with the accommodating cavity (21); and

the heating device (500) is accommodated in the first flow guide channel (31);

wherein, be equipped with charging tray (600) that bears coiled material (700) in holding chamber (21), charging tray (600) includes uide bushing (61), coiled material (700) is established with the heart the periphery of uide bushing (61), the inner circle of coiled material (700) with be formed with inner circle airflow channel (32) between uide bushing (61), the outer lane of coiled material (700) with be formed with outer lane airflow channel (33) between divertor (200), flow in the air current of holding chamber (21) is simultaneously along outer lane airflow channel (33) with inner circle airflow channel (32) flow back return air inlet (42).

2. The wire rod coil annealing furnace according to claim 1, wherein the accommodating chamber (21) comprises a second air outlet (211) connected to the return air inlet (42) and an air inlet (212) communicated to the first guide passage (31), and the second air outlet (211) and the air inlet (212) are respectively located at the top and bottom of the accommodating chamber (21).

3. The pole coil lehr of claim 1, wherein the guide sleeve (61) extends upwardly in a vertical direction from the load-bearing end face of the tray (600).

4. The pole coil annealing furnace according to claim 3, wherein the end of the guide sleeve (61) is gradually reduced in outer diameter from bottom to top.

5. The wire rod coil annealing furnace according to claim 2, wherein the charging tray (600) has an inner ring guiding hole (62) and an outer ring guiding hole (63) formed therethrough in a vertical direction, the inner ring guiding hole (62) is in communication with the inner ring airflow channel (32), the outer ring guiding hole (63) is in communication with the outer ring airflow channel (33), and an airflow flowing into the accommodating cavity (21) from the air inlet (212) can flow into the inner ring airflow channel (32) and the outer ring airflow channel (33) through the inner ring guiding hole (62) and the outer ring guiding hole (63), respectively.

6. The wire rod coil annealing furnace according to claim 5, wherein a second flow guide channel (34) communicated with the air inlet (212) is formed between the material tray (600) and the bottom of the accommodating cavity (21), and the second flow guide channel (34) is respectively communicated with the inner ring flow guide hole (62) and the outer ring flow guide hole (63).

7. The wire rod coil annealing furnace according to claim 1, characterized in that there is a gap between the tray (600) and the deflector (200).

8. The wire rod coil annealing furnace according to claim 6, wherein a plurality of said guide sleeves (61) are arrayed on said tray (600) to arrange a plurality of said coils (700), and a plurality of said circulating fans (400), said inner ring guide holes (62) and said outer ring guide holes (63) are provided in number and correspond one-to-one to said coils (700).

9. The wire rod coil annealing furnace according to claim 8, wherein the heating means (500) is provided at a position near the first air outlet (41), and the heating means (500) corresponds to the circulating fans (400) one by one.

10. The pole coil lehr of claim 1, further comprising a cooling apparatus (800), the cooling apparatus (800) being in communication with the receiving chamber (21).