Energy-saving and heat-insulating device of double-layer annealing furnace and double-layer annealing furnace

Abstract

The energy-saving and heat-insulating device comprises a heat-insulating lifting door located between a double-layer annealing furnace body and a lifting platform, an opening is formed in the heat-insulating lifting door, a partition wall is arranged on one side of the heat-insulating lifting door, the heat-insulating lifting door has a first state and a second state, and in the first state, the heat-insulating lifting door can be opened or closed. The heat insulation lifting door falls down, and the opening is sealed by the partition wall; and in the second state, the heat insulation lifting door is lifted, the opening of the heat insulation lifting door is communicated with the upper-layer outlet of the double-layer annealing furnace body, one side of the annealing furnace body can be closed through the heat insulation lifting door, heat loss is reduced, and meanwhile the inner structure of the lifting platform can be prevented from being damaged by high temperature.

Description

Technical Field

[0001] The utility model relates to the technical field of annealing furnaces, in particular to an energy-saving heat insulation device of a double-layer annealing furnace and the double-layer annealing furnace. Background Art

[0002] Double-layer annealing furnace is an industrial equipment mainly used for heat treatment of materials, such as annealing, tempering, etc. This furnace is usually composed of two interconnected furnaces, the upper layer is the feeding layer, and the lower layer is the discharging layer. It occupies a small area and is more practical.

[0003] In the prior art, a lifting platform is generally provided on one side of a double-layer annealing furnace to transport the workpieces on the upper layer to the lower layer. However, there is no partition between the double-layer annealing furnace and the lifting platform, and the heat in the double-layer annealing furnace will be dissipated through the lifting platform, which is likely to have a poor energy-saving effect. In addition, the mechanical structure in the lifting platform is relatively complex and is easily damaged when encountering high temperatures. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides an energy-saving heat insulation device for a double-layer annealing furnace and a double-layer annealing furnace. One side of the annealing furnace body can be closed by an insulating lifting door to reduce heat loss and prevent high temperature from damaging the structure inside the lifting platform.

[0005] The utility model adopts the following technical solutions:

[0006] An energy-saving heat-insulating device for a double-layer annealing furnace comprises a heat-insulating lifting door located between a double-layer annealing furnace body and a lifting platform, wherein the heat-insulating lifting door is provided with an opening, and a partition wall is provided on one side of the heat-insulating lifting door. The heat-insulating lifting door has a first state and a second state. In the first state, the heat-insulating lifting door falls down, and the opening is closed by the partition wall; in the second state, the heat-insulating lifting door rises, and the opening of the heat-insulating lifting door is connected to the upper outlet of the double-layer annealing furnace body.

[0007] Preferably, the upper end of the heat-insulating lifting door is connected to a driving mechanism through a transmission chain.

[0008] Preferably, a heat-insulating cover is provided on the double-layer annealing furnace body and / or the lifting platform.

[0009] A double-layer annealing furnace comprises an energy-saving heat-insulating device, wherein the double-layer annealing furnace body comprises an upper layer and a lower layer separated by a partition, and in the first state, the heat-insulating lifting door closes one side of the upper layer and the lower layer of the double-layer annealing furnace body; in the second state, the heat-insulating lifting door releases the closure of the lower layer of the double-layer annealing furnace body, and the opening of the heat-insulating lifting door is connected to the upper layer outlet of the double-layer annealing furnace body.

[0010] Preferably, the lifting platform has lifting rollers for transporting workpieces.

[0011] Preferably, the double-layer annealing furnace body and the lifting platform are both provided with photoelectric signal sensors for detecting the position of the workpiece.

[0012] Compared with the prior art, the utility model has the following advantages: an energy-saving heat-insulating device for a double-layer annealing furnace and a double-layer annealing furnace, comprising a heat-insulating lifting door located between a double-layer annealing furnace body and a lifting platform; when the heat-insulating lifting door falls, one side of the annealing furnace body can be closed to reduce heat loss and prevent high temperature from damaging the internal structure of the lifting platform; when the heat-insulating lifting door rises, the opening of the heat-insulating lifting door is connected to the upper outlet of the double-layer annealing furnace body, and the double-layer annealing furnace body is connected to the lifting platform. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the first state of the energy-saving heat insulation device.

[0014] Figure 2 for Figure 1 sectional view of .

[0015] Figure 3 It is a structural schematic diagram of the second state of the energy-saving heat insulation device.

[0016] In the figure, the double-layer annealing furnace body 1, the lifting platform 2, the heat-insulating lifting door 3, the opening 4, the partition wall 5, the heat-insulating cover 6, the lifting roller 7, the photoelectric signal sensor 8, and the driving mechanism 9. DETAILED DESCRIPTION

[0017] In order to facilitate the understanding of the technical solution of the utility model, a detailed description is given below in conjunction with the accompanying drawings and specific embodiments.

[0018] Example 1

[0019] like Figure 1-3 As shown, an energy-saving heat-insulating device for a double-layer annealing furnace comprises a heat-insulating lifting door 3 located between a double-layer annealing furnace body 1 and a lifting platform 2, wherein the heat-insulating lifting door 3 is provided with an opening 4, and a partition wall 5 is provided on one side of the heat-insulating lifting door 3, and the heat-insulating lifting door 3 has a first state and a second state. In the first state, the heat-insulating lifting door 3 falls down, and the opening 4 is closed by the partition wall 5, so that the double-layer annealing furnace body 1 and the lifting platform 2 are isolated, thereby reducing heat loss and preventing high temperature from damaging the internal structure of the lifting platform 2; in the second state, the heat-insulating lifting door 3 rises, and the opening 4 of the heat-insulating lifting door 3 is connected with the upper outlet of the double-layer annealing furnace body 1, and the workpiece on the upper layer of the double-layer annealing furnace body 1 can enter the lifting platform 2 through the opening 4.

[0020] like Figure 1As shown, the upper end of the heat-insulating lifting door 3 is connected to the driving mechanism 9 through a transmission chain. The driving mechanism 9 can be a cylinder, and the driving end of the cylinder is connected to the transmission chain. The transmission chain is arranged around the rotating wheel, and the lifting and lowering of the heat-insulating lifting door 3 is controlled by the extension and contraction of the cylinder. In some embodiments, the driving mechanism 9 can also be an electric motor or a hydraulic system, which is connected to the heat-insulating lifting door 3 through a transmission chain.

[0021] The double-layer annealing furnace body 1 and / or the lifting platform 2 are provided with a heat-insulating cover 6 to reduce the heat dissipated through the gap of the heat-insulating lifting door 3.

[0022] A double-layer annealing furnace includes an energy-saving heat insulation device, wherein the double-layer annealing furnace body 1 includes an upper layer and a lower layer separated by a partition, the upper layer is a feeding layer, and the lower layer is a discharging layer. In the first state, the heat-insulating lifting door 3 falls down, and the opening 4 is closed by the partition wall 5. The heat-insulating lifting door 3 closes the upper and lower layers of the double-layer annealing furnace body 1 on the right side of the illustrated direction, and the double-layer annealing furnace body 1 is separated from the lifting platform 2, thereby reducing heat loss and preventing high temperature from damaging the internal structure of the lifting platform 2; in the second state, the heat-insulating lifting door 3 is lifted by the driving mechanism 9, and the heat-insulating lifting door 3 releases the closure of the lower layer of the double-layer annealing furnace body 1, and the opening 4 of the heat-insulating lifting door 3 is connected to the upper layer outlet of the double-layer annealing furnace body 1, and the workpiece on the upper layer of the double-layer annealing furnace body 1 can enter the lifting platform 2 through the opening 4, and be discharged from the lower layer of the double-layer annealing furnace body 1 through the lowering of the lifting platform 2.

[0023] The lifting platform 2 has lifting rollers 7 for transporting workpieces. In the second state, the workpieces on the upper layer of the double-layer annealing furnace body 1 enter the lifting rollers 7 in the lifting platform 2 through the opening 4, and are lowered by the lifting rollers 7 and then discharged from the lower layer of the double-layer annealing furnace body 1.

[0024] The double-layer annealing furnace body 1 and the lifting platform 2 are both provided with photoelectric signal sensors 8 for detecting the position of the workpiece.

[0025] The above are only preferred embodiments of the present invention. The protection scope of the present invention shall be based on the scope defined by the claims. Several improvements and modifications made by those skilled in the art without departing from the spirit and scope of the present invention shall also be regarded as the protection scope of the present invention.

Claims

1. An energy-saving heat-insulating device for a double-layer annealing furnace, characterized in that: The invention comprises a heat-insulating lifting door (3) located between a double-layer annealing furnace body (1) and a lifting platform (2), wherein an opening (4) is provided on the heat-insulating lifting door (3), and a partition wall (5) is provided on one side of the heat-insulating lifting door (3). The heat-insulating lifting door (3) has a first state and a second state. In the first state, the heat-insulating lifting door (3) falls down, and the opening (4) is closed by the partition wall (5); in the second state, the heat-insulating lifting door (3) rises, and the opening (4) of the heat-insulating lifting door (3) is connected to the upper outlet of the double-layer annealing furnace body (1).

2. The energy-saving heat-insulating device of a double-layer annealing furnace according to claim 1, characterized in that: The upper end of the heat-insulating lifting door (3) is connected to a driving mechanism (9) via a transmission chain.

3. The energy-saving heat-insulating device of a double-layer annealing furnace according to claim 1, characterized in that: A heat-insulating cover (6) is provided on the double-layer annealing furnace body (1) and / or the lifting platform (2).

4. A double-layer annealing furnace, characterized in that: It comprises an energy-saving heat-insulating device as described in any one of claims 1 to 3, wherein the double-layer annealing furnace body (1) comprises an upper layer and a lower layer separated by a partition, and in the first state, the heat-insulating lifting door (3) closes one side of the upper layer and the lower layer of the double-layer annealing furnace body (1); in the second state, the heat-insulating lifting door (3) releases the closure of the lower layer of the double-layer annealing furnace body (1), and the opening (4) of the heat-insulating lifting door (3) is connected to the upper layer outlet of the double-layer annealing furnace body (1).

5. A double-layer annealing furnace according to claim 4, characterized in that: The lifting platform (2) is provided with lifting rollers (7) for conveying workpieces.

6. A double-layer annealing furnace according to claim 4, characterized in that: The double-layer annealing furnace body (1) and the lifting platform (2) are both provided with photoelectric signal sensors (8) for detecting the position of workpieces.

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