Heat preservation type annealing furnace for metal composite board

Abstract

An opening is formed in the upper side of the heat preservation type annealing furnace used for the metal composite boards, the part, except the opening, of the annealing furnace is wrapped, and a separating device used for separating a plurality of placed boards is arranged in a furnace cavity of the annealing furnace. The annealing furnace is embedded in the ground surface, and the separating devices are separating rods which are arranged between the upper and lower adjacent plates in a penetrating mode at intervals and abut against the plates. According to the annealing furnace, the part, except the opening of the furnace body, of the annealing furnace is coated in a manner of being embedded into the ground surface, so that the energy (heat) loss of the side wall of the annealing furnace can be reduced, and the energy consumption of the annealing furnace and the production cost of the metal composite plate are reduced. The separating device is arranged between the adjacent stacked plates, after the upper and lower adjacent plates are separated, the upper and lower plates do not make contact with each other, and a gap is reserved, so that heat generated by the furnace chamber of the annealing furnace can make contact with the upper and lower surfaces of the plates through the reserved gap, the heating effect of the plates is improved, the heat preservation time can be shortened, and energy consumption can be reduced.

Description

Technical Field

[0001] The present application relates to the technical field of metal composite plate annealing, and in particular to a heat-insulating annealing furnace for metal composite plates. Background Art

[0002] Metal composite sheet is a composite material formed by metallurgically bonding two or more metals with different chemical and mechanical properties at the interface using composite technology. This material can greatly improve the thermal expansion, strength, fracture toughness, impact toughness, wear resistance, electrical properties, magnetic properties and many other properties of a single metal material. Common ones include titanium steel composite plate, copper steel composite plate, titanium zinc composite plate, titanium nickel composite plate, nickel steel composite plate, copper aluminum composite plate, nickel copper composite plate, etc. Metal composite plates are widely used in industrial fields such as petroleum, chemical industry, shipbuilding, metallurgy, electricity, water conservancy, transportation, environmental protection, pressure vessel manufacturing, food, brewing, and pharmaceuticals.

[0003] Metal composite plates, like other plates, usually need annealing to improve their structural properties, and the most common annealing method is to use an annealing furnace. Since metal composite plates are made of two or more metals, each metal has a different high-temperature phase transition point. Therefore, in order to ensure the balance of the properties of different metals, the annealing temperature used cannot be based on the metal with the maximum phase transition temperature. Instead, the comprehensive annealing properties of the composite plate can be improved by extending the insulation time.

[0004] At present, the annealing and heat preservation time of a single metal requires several hours, so the heat preservation time of a composite metal plate is longer, which further increases the power consumption of the annealing furnace, and increases the processing cost and use cost of the metal composite plate. Summary of the invention

[0005] In view of the above-mentioned problems, the present application aims to provide an insulated annealing furnace for metal composite plates. The furnace body is provided with a cladding, which can reduce the energy (heat) loss of the side wall of the annealing furnace, thereby reducing the energy consumption of the annealing furnace and the production cost of the metal composite plate.

[0006] In order to achieve the above-mentioned purpose, the technical solution adopted in this application is as follows: an insulated annealing furnace for metal composite plates, characterized in that: the annealing furnace is provided with an opening on the upper side, and the annealing furnace except the opening is covered, and a partition device for separating several placed plates is provided in the furnace cavity of the annealing furnace.

[0007] Preferably, the annealing furnace is embedded in the ground, and the opening is flush with the ground, and a furnace cover in contact with the ground is also provided at the opening of the annealing furnace.

[0008] Preferably, the partitioning device is a partitioning rod which is spaced apart and penetrates between the upper and lower adjacent plates and abuts against the plates.

[0009] Preferably, anti-displacement planes are provided on the upper and lower sides of each of the partition rods, which are in flat contact with the surfaces of the upper and lower side plates.

[0010] Preferably, a heating groove is provided on each of the anti-displacement planes.

[0011] The beneficial effect of the present application is that the annealing furnace covers the part except the furnace opening by embedding in the ground surface, which can reduce the energy (heat) loss of the side wall of the annealing furnace, thereby reducing the energy consumption of the annealing furnace and the production cost of the metal composite plate.

[0012] A partition device is provided between adjacent stacked plates, so that after the upper and lower adjacent plates are separated, the upper and lower plates do not contact each other and a gap is left, so that the heat generated by the annealing furnace cavity can contact the upper and lower surfaces of the plates through the remaining gap, thereby improving the heating effect of the plates, thereby shortening the insulation time and reducing energy consumption. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a side view of the heat preservation annealing furnace of this application.

[0014] Figure 2 This is a diagram of placing a plate for annealing in a heat-insulating annealing furnace for this application.

[0015] Figure 3 For this application Figure 2 Enlarged view of the structure at point A in the middle (plates are stacked against each other).

[0016] Figure 4 In this application, adjacent plates are separated by dividing rods.

[0017] Figure 5 This is a diagram showing the rolling displacement of the plate and the partition rod in this application.

[0018] Figure 6 This is a diagram of the anti-displacement planar structure provided on the upper and lower sides of the partition rod of this application.

[0019] Figure 7 This is a diagram showing the plate of the present application being in flat contact with the anti-displacement surface on the partition rod.

[0020] Figure 8 This is a diagram showing the structure of the heating grooves provided on the partition rod of the present application.

[0021] Fig. 9 For this application Figure 8 Illustration of the contact between the separator bar and the plate.

[0022] In the figure: 4-lifting rope; 5-ground surface; 6-plate material. DETAILED DESCRIPTION

[0023] In order to enable ordinary technicians in the field to better understand the technical solution of the present application, the technical solution of the present application is further described below in conjunction with the accompanying drawings and embodiments.

[0024] See attached Figures 1 to 9 The annealing furnace 1 is provided with an opening 1a on the upper side of the annealing furnace 1, through which a plurality of plates to be annealed can be stacked in the furnace chamber 1b of the annealing furnace 1. In order to reduce the increase in power consumption caused by the annealing furnace 1 keeping the metal composite plate warm for a long time, the annealing furnace 1 except the opening 1a is covered. After the annealing furnace 1 is covered, the energy (heat) loss of the side wall of the annealing furnace 1 can be reduced, thereby reducing the energy consumption of the annealing furnace 1 and the production cost of the metal composite plate.

[0025] Since the annealing treatment of multiple plates is usually carried out by stacking the plates in the furnace chamber 1b of the annealing furnace 1, and after the surfaces of the upper and lower adjacent plates are in contact, the heat in the furnace chamber 1b is difficult to be effectively transferred to the plates, thereby causing the annealing and heat preservation time to be further increased. Therefore, in order to solve this problem, a partition device for separating the placed plates is provided in the furnace chamber 1b of the annealing furnace 1. After the partition device separates the upper and lower adjacent plates, the upper and lower plates do not contact each other and a gap is left. Therefore, the heat generated by the furnace chamber 1b of the annealing furnace 1 can contact the upper and lower surfaces of the plates through the remaining gap, thereby improving the heating effect of the plates, thereby shortening the heat preservation time and reducing energy consumption.

[0026] Specifically, Figure 1-2 As shown, the annealing furnace 1 is embedded in the ground, and the opening 1a is flush with the ground, and a furnace cover 2 in contact with the ground is also provided at the opening 1a of the annealing furnace 1. The annealing furnace 1 covers the side walls and the bottom of the furnace body through the foundation, and during the annealing process of the furnace body on the plate, the heat loss through the furnace wall can be effectively reduced, thereby reducing the energy consumption required for long-term annealing and heat preservation of the composite plate. During annealing, after the plate is hoisted through the opening 1a and placed in the furnace cavity 1b, the opening 1a is blocked by the furnace cover 2, and the annealing operation can be carried out.

[0027] To achieve the separation of upper and lower adjacent panels, such as Figure 4 As shown, the separation device is a separation rod 3 that is arranged between the upper and lower adjacent plates and abuts against the plates. The separation of the plates can be achieved through the separation rod 3 and the flow of the gap ( Figure 4 The heat generated by the furnace body can enter through the gap and contact the upper and lower plates, thereby improving the heating efficiency of each plate and reducing the insulation time and power consumption of the furnace body.

[0028] To prevent the plate from rolling on the partition rod 3 due to defects such as unevenness and bending on the plate surface ( Figure 5 As shown in the figure), the damage caused by the impact with the furnace wall is as follows: Figure 6-7 As shown, each of the partition rods 3 is provided with an anti-displacement plane 31 that is in flat contact with the surface of the upper and lower side plates. The anti-displacement plane 31 is in flat contact with the surface of the upper and lower plates, which can effectively limit the rolling displacement of the plates on the partition rods 3 and effectively protect the insulation layer of the inner wall of the furnace body.

[0029] Since the anti-displacement plane 31 of the partition rod 3 has a contact surface with the upper and lower plates of a certain width, in order to reduce the influence of the contact surface on the heat of the plates, further, as Figure 8-9 As shown, a heating groove 3a is provided on each of the anti-displacement planes 31. The heating groove 3a can reduce the contact width between the anti-displacement plane 31 and the upper and lower plates, so that the heat in the furnace body can enter the heating groove 3a and contact the upper and lower plate surfaces, thereby further improving the heating effect of the plates. At the same time, preferably, a lifting rope can be pre-inserted in the heating groove 3a on the lower side of each partition rod 3. After the annealing and heat preservation treatment is completed, each plate can be lifted by the lifting rope, and the lifting rope presses the partition rod 3 against the bottom surface of the plate, effectively reducing the wear of the lifting rope on the plate surface.

[0030] The principle of the present application is: when performing the annealing operation of the metal composite plate, the multiple plates to be annealed are hoisted and placed in the furnace chamber 1b of the annealing furnace 1 in sequence, and at the same time, the partition rods 3 are placed between the upper and lower adjacent plates, and the anti-displacement planes 31 arranged above and below the partition rods 3 are in flat contact with the surfaces of the upper and lower plates, and preferably, a lifting rope can be pre-inserted in the heated groove 3a on the lower side of each partition rod 3, and then the furnace cover 2 is sealed to the opening 1a, and the annealing operation can be carried out.

[0031] After the annealing and heat-insulating treatment is completed, each plate can be lifted by the lifting rope, and the lifting rope presses the partition rod 3 against the bottom surface of the plate, effectively reducing the wear of the lifting rope on the surface of the plate.

[0032] The above shows and describes the basic principles, main features and advantages of the present application. Without departing from the spirit and scope of the present application, the present application may have various changes and improvements, which fall within the scope of the present application to be protected.

Claims

1. A heat-insulating annealing furnace for metal composite plates, characterized in that: The annealing furnace (1) is provided with an opening (1a) on the upper side, and the annealing furnace (1) except the opening (1a) is enclosed, and a separation device for separating a plurality of placed plates is provided in the furnace chamber (1b) of the annealing furnace (1).

2. The heat-insulating annealing furnace according to claim 1, characterized in that: The annealing furnace (1) is embedded in the ground, and the opening (1a) is flush with the ground. A furnace cover (2) in contact with the ground is also provided at the opening (1a) of the annealing furnace (1).

3. The heat-insulating annealing furnace according to claim 2, characterized in that: The partition device is a partition rod (3) which is arranged at intervals between upper and lower adjacent plates and abuts against the plates.

4. The heat-insulating annealing furnace according to claim 3, characterized in that: Anti-displacement planes (31) are provided on the upper and lower sides of each of the partition rods (3) and are in flat contact with the surfaces of the upper and lower side plates.

5. The heat-insulating annealing furnace according to claim 4, characterized in that: A heat receiving groove (3a) is provided on each of the anti-displacement planes (31).

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