CN208023053U - Directly-heated type samming annealing furnace - Google Patents

Abstract

The utility model discloses a kind of directly-heated type samming annealing furnaces, including furnace body, furnace body includes first pipe, second pipe, first pipe is set in outside second pipe, first pipe and formation toroidal cavity outside second pipe are interior equipped with insulating materials, one end outside first pipe connects the first copper electrode, the other end connects the second copper electrode, the directly-heated type samming annealing furnace heat utilization efficiency is high, higher temperature can be reached, heat, which is transmitted, to be stablized, and the function that energy saving, production range is wider, copper wire quality is high is realized.

Description

Directly-heated type samming annealing furnace

Technical field

The utility model is related to a kind of directly-heated type samming annealing furnaces, belong to intermetallic composite coating process field.

Background technology

It is well known that the copper wire for electric wire can have a hardening phenomenon after drawing machining, tensile strength and bend It takes intensity to obviously increase, in order to restore the plasticity and toughness of copper wire, keeps good electric property, need to carry out at deep plus softening It manages (annealing), therefore after copper wire is stretched to certain length, needs copper wires being heat-treated at a certain temperature (annealing).

The equipment of common annealing includes duct type annealing device and contact annealing equipment (i.e. continuous annealing), In, duct type annealing device is of low cost, is all made of 40 to six ten heads while annealing, and occupation rate of market is high；Contact is moved back Fiery equipment (continuous annealing) equipment cost is high, and single production production capacity is limited, therefore usually enterprise measures the copper wires specification more It is used in the case of few.Above two annealing device substantially adds the mode of heating of copper wires using radiation simultaneously Heat, this mode of heating are lost greatly in terms of heat transfer, it is difficult to control the uniformity of fever, while the temperature heated is difficult to reach More than 800 DEG C.

Utility model content

The technical problems to be solved in the utility model is：The directly-heated type that a kind of heat utilization efficiency is high, heat transmits stabilization is provided to move back Stove.

In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is：

Directly-heated type samming annealing furnace, including furnace body, the furnace body include first pipe, second pipe, the first pipe It is set in outside second pipe, the both ends outside the first pipe are equipped with electric installation.

Preferably, the first pipe forms toroidal cavity with second pipe outside, is equipped in the toroidal cavity Insulating materials, one end outside the first pipe connect the first copper electrode, and the other end connects the second copper electrode.

Preferably, the anode of the first copper electrode connection transformer, the cathode of the second copper electrode connection transformer.

Preferably, the furnace body further includes insulation tube, and the insulative pipe sleeve is located at outside the first pipe.

Preferably, the insulating materials is selected from magnesia powder.

Above-mentioned directly-heated type samming annealing furnace further includes shell, and the shell is set in outside the furnace body, the shell Sealing toroidal cavity is formed between the furnace body outside, and thermal insulation material is equipped in the sealing toroidal cavity.

Preferably, the thermal insulation material is heat-preservation cotton.

Preferably, the both ends of the shell along its length are equipped with insulation board, and the insulation board is bakelite plate.

Preferably, the end outside the second pipe connects thermocouple.

Compared with prior art, the beneficial effects of the utility model are：The furnace body of the utility model include first pipe, Second pipe, first pipe are set in outside second pipe, the first bronze medal electricity being separately connected by its both ends outside first pipe Pole is connected with the anode of external transformer, obtains current direction first pipe, and the negative of transformer is connected using the second copper electrode Pole is flow in transformer, and first pipe is made to pass through the function for the generation heat that is powered；First pipe and formation ring outside second pipe It is equipped with insulating materials in shape cavity, prevents the first pipe contact second pipe after being powered from short circuit occurs, plays the role of insulation； Simultaneously by first pipe generate heat by insulating materials uniform heat conduction to second pipe, after being placed on cold-drawn therein Copper wire is made annealing treatment, and such mode of heating realizes heat utilization efficiency height, can reach higher temperature, contribute to copper wire Annealing, and heat transmit stablize；

Furnace body in the utility model further includes insulation tube, which reduces the heat loss of furnace body, while further Play insulating effect in ground；Insulating materials in the utility model is preferably magnesia powder, and the insulation performance of the magnesia powder is high, together When its powder it is fine and smooth, heat-conductive characteristic higher and stable and uniform are conducive to the annealing efficiency of copper wire；Further reduce stove The heat loss of body, the utility model further include shell, in the sealing toroidal cavity formed between shell and furnace body outside all Covering insulation material, preferably heat-preservation cotton；

With shell electric conduction phenomena occurs the utility model for furnace body in order to prevent, is equipped at the both ends of shell along its length exhausted Listrium, the insulation board are preferably bakelite plate；Wherein, end of the utility model outside second pipe connects thermocouple, the heat Galvanic couple is used for controlling temperature, to facilitate staff to monitor the temperature of copper wire softening at any time.

In conclusion the utility model heat utilization efficiency is high, energy-efficient effect is realized；Higher temperature can be reached, had The annealing for helping copper wire, the range for realizing the electric wire and cable conductor of production are wider；And heating temperature uniformity improves, Heat, which is transmitted, to be stablized, and the raising of the copper wire quality of annealing is realized.

Description of the drawings

Fig. 1 is the structural schematic diagram of the utility model.

Specific implementation mode

To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, below in conjunction with the accompanying drawings to this The specific implementation mode of utility model is described in detail.Elaborate many details in order to abundant in the following description Understand the utility model.But the utility model can be much to implement different from other manner described here, this field Technical staff can do similar improvement without prejudice to the utility model connotation, therefore the utility model is not by following public affairs The limitation for the specific embodiment opened.

It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be directly connected to To another element or it may be simultaneously present centering elements.

Unless otherwise defined, all of technologies and scientific terms used here by the article is led with the technology for belonging to the utility model The normally understood meaning of technical staff in domain is identical.Terminology used in the description of the utility model herein only be The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term " and or " used herein includes Any and all combinations of one or more relevant Listed Items.

The utility model provides a kind of directly-heated type samming annealing furnace, such as Fig. 1, including furnace body 1, and furnace body 1 includes first pipe 11, second pipe 12, first pipe 11 are set in outside second pipe 12, and the both ends outside first pipe 11 are equipped with conductive fill It sets.

Preferably, first pipe 11 forms toroidal cavity 13 with 12 outside of second pipe, and insulation is equipped in toroidal cavity 13 Material, one end outside first pipe 11 connect the first copper electrode 2, and the other end connects the second copper electrode 3.

Preferably, the anode of the first copper electrode 2 connection transformer, the second copper electrode 3 connect the cathode of transformer.

Wherein, furnace body 1 includes first pipe 11, second pipe 12, and the material of first pipe 11, second pipe 12 is equal For 2520 stainless steels, first pipe 11 is set in outside second pipe 12, is separately connected by its both ends outside first pipe 11 The first copper electrode 2 be connected with the anode of external transformer, current direction first pipe 11 is obtained, using the second copper electrode 3 The cathode of connection transformer is flow in transformer, and first pipe 11 is made to generate the function of heat by energization；

12 outside of first pipe 11 and second pipe, which is formed, is equipped with insulating materials in toroidal cavity 13, prevent the after being powered Short circuit occurs for one pipeline 11 contact second pipe 12, plays the role of insulation；The heat that first pipe 11 generates is passed through simultaneously Insulating materials uniform heat conduction is placed on the copper wire after cold-drawn therein and is made annealing treatment to second pipe 12, such to add Hot mode realizes heat utilization efficiency height, can reach higher temperature, contributes to the annealing of copper wire, and heat is transmitted surely It is fixed.

Preferably, furnace body 1 further includes insulation tube 14, and insulation tube 14 is set in outside first pipe 11.

Wherein, furnace body 1 further includes insulation tube 14, which reduces the heat loss of furnace body, while further rising To insulating effect.

Preferably, insulating materials is selected from magnesia powder.

Wherein, the insulating materials in the utility model is preferably magnesia powder, and the insulation performance of the magnesia powder is high, simultaneously Its powder is fine and smooth, and heat-conductive characteristic higher and stable and uniform are conducive to the annealing efficiency of copper wire.

Above-mentioned directly-heated type samming annealing furnace further includes shell 4, and shell 4 is set in outside furnace body 1, shell 4 and furnace body 1 Sealing toroidal cavity 5 is formed between outside, and thermal insulation material is equipped in sealing toroidal cavity 5.

Preferably, thermal insulation material is heat-preservation cotton.

Wherein, the heat loss of furnace body is further reduced, the utility model further includes shell 4, outside shell 4 and furnace body 1 Whole covering insulation materials, preferably heat-preservation cotton in the sealing toroidal cavity 5 formed between portion.

Preferably, the both ends of shell 4 along its length are equipped with insulation board 6.

Preferably, insulation board 6 is bakelite plate.

Wherein, with shell electric conduction phenomena occurs the utility model for furnace body in order to prevent, at the both ends of shell 4 along its length Equipped with insulation board 6, which is preferably bakelite plate.

Preferably, the end outside second pipe 12 connects thermocouple 7.

Wherein, end of the utility model outside second pipe 12 connects thermocouple 7, which is used for controlling temperature Degree, to facilitate staff to monitor the temperature of copper wire softening at any time.

Each technical characteristic of embodiment described above can be combined arbitrarily, to keep description succinct, not to above-mentioned reality It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited In contradiction, it is all considered to be the range of this specification record.

Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed, But therefore it can not be interpreted as the limitation to utility model patent range.It should be pointed out that for the common skill of this field For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to The scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.

Claims (9)

1. directly-heated type samming annealing furnace, which is characterized in that including furnace body, the furnace body includes first pipe, second pipe, described First pipe is set in outside second pipe, and the both ends outside the first pipe are equipped with electric installation.

2. directly-heated type samming annealing furnace according to claim 1, which is characterized in that the first pipe is managed with described second Toroidal cavity is formed outside road, and insulating materials is equipped in the toroidal cavity, one end connection first outside the first pipe Copper electrode, the other end connect the second copper electrode.

3. directly-heated type samming annealing furnace according to claim 2, which is characterized in that first copper electrode connects transformer Anode, the cathode of second copper electrode connection transformer.

4. directly-heated type samming annealing furnace according to claim 1, which is characterized in that the furnace body further includes insulation tube, institute Insulative pipe sleeve is stated to be located at outside the first pipe.

5. directly-heated type samming annealing furnace according to claim 2, which is characterized in that the insulating materials is selected from magnesia Powder.

6. directly-heated type samming annealing furnace according to claim 1 or 4, which is characterized in that further include shell, the casing It is located at outside the furnace body, forms sealing toroidal cavity, the sealing toroidal cavity between the shell and the furnace body outside It is interior to be equipped with thermal insulation material.

7. directly-heated type samming annealing furnace according to claim 6, which is characterized in that the thermal insulation material is heat-preservation cotton.

8. directly-heated type samming annealing furnace according to claim 6, which is characterized in that the both ends of the shell along its length Equipped with insulation board, the insulation board is bakelite plate.

9. according to claim 1-5 any one of them directly-heated type samming annealing furnaces, which is characterized in that outside the second pipe End connect thermocouple.