Annular waste heat recovery system of bell jar type annealing furnace

Abstract

The utility model provides an annular waste heat recovery system of a bell jar type annealing furnace. Comprising an annealing furnace, a first heat exchange tile block and a second heat exchange tile block are clamped to the bottom of the inner wall of the annealing furnace through clamping rods, and rectangular heat exchange grooves are formed in outer side shells of the first heat exchange tile block and the second heat exchange tile block at equal angles; mounting grooves matched with the clamping rods are formed in the inner wall of the first heat exchange tile block and the inner wall of the second heat exchange tile block at equal angles, hole grooves are formed in the middle sections of the mounting grooves, and the hole grooves located in the first heat exchange tile block and the second heat exchange tile block penetrate through the first heat exchange tile block and the second heat exchange tile block correspondingly; and heat exchange holes are formed in the top ends of the mounting grooves. The annular waste heat recovery system of the bell jar type annealing furnace solves the problems that an existing bell jar type annealing furnace is single in structure and high in energy consumption, waste heat of the annealing furnace is difficult to recycle, and energy is wasted.

Description

TECHNICAL FIELD

[0001] The utility model relates to annealing furnace field especially relates to a bell -jar type annealing furnace annular waste heat recovery system. BACKGROUND

[0002] Annealing furnace is applicable to special steel, precision alloy, silicon steel sheet finished product annealing and metal, nonmetal powder pressing product's sintering etc. Because the protection gas in the furnace is by special fan strong convection circulation, the furnace temperature is even, makes the temperature difference in the furnace control in 5 DEG C within, can effectively guarantee that all annealing materials in the furnace are consistent, facilitate material deep processing, the structure of the existing bell -jar type annealing furnace is single, and the energy consumption is high, the waste heat of annealing furnace is difficult to recycle, causes energy waste.

[0003] Therefore, it is necessary to provide a bell -jar type annealing furnace annular waste heat recovery system to solve the above technical problems. SUMMARY

[0004] The utility model provides a bell -jar type annealing furnace annular waste heat recovery system, solved the structure of the existing bell -jar type annealing furnace is single, and the energy consumption is high, the waste heat of annealing furnace is difficult to recycle, causes energy waste's problem.

[0005] In order to solve the above technical problems, the utility model provides a bell -jar type annealing furnace annular waste heat recovery system, including annealing furnace, the inner wall bottom of annealing furnace is connected with first heat exchange tile and second heat exchange tile through clamping rod, and the outer side shell of first heat exchange tile and second heat exchange tile is all equal angle and is set with rectangular heat exchange groove, the inner wall of first heat exchange tile and second heat exchange tile is equal angle and is set with the installation slot of clamping rod adaptation;

[0006] The middle section position of installation slot is set with hole groove, and the hole groove on first heat exchange tile and second heat exchange tile is respectively penetrated with first heat exchange tile and second heat exchange tile, the top of installation slot is set with heat exchange hole, the end face of first heat exchange tile and second heat exchange tile is set with the flow guide hole in the corresponding position of installation slot, wherein the flow guide hole is communicated with the heat exchange hole on the installation slot of corresponding position, the heat exchange rod corresponding to rectangular heat exchange groove is set on annealing furnace, and the bottom of heat exchange rod is fixedly connected with connecting pipe, and the connecting pipe is provided with machine pump.

[0007] Preferably, two connecting nut grooves are symmetrically set on the cross section of the first heat exchange tile and the second heat exchange tile, and three positioning columns are welded on the cross section of the second heat exchange tile, and the three positioning columns are distributed in a triangular shape.

[0008] Preferably, three heat exchange positioning holes are set on the two cross sections of the first heat exchange tile, and the three heat exchange positioning holes are distributed in a triangular shape.

[0009] Preferably, the first heat exchange tile and the second heat exchange tile are equal in inner diameter and outer diameter, and the first heat exchange tile and the second heat exchange tile are equal in length.

[0010] Preferably, a plurality of heat exchange fins are welded on the two side walls of the rectangular heat exchange groove at equal intervals, and the heat exchange fins on the two side walls of the rectangular heat exchange groove are staggered.

[0011] Preferably, the diameter and length of the positioning column are equal to the inner diameter and depth of the positioning hole, and the positions of the three positioning columns correspond to the positions of the three positioning holes one by one.

[0012] Compared with the related art, the bell-shaped annealing furnace annular waste heat recovery system has the following beneficial effects:

[0013] The bell-shaped annealing furnace annular waste heat recovery system can heat exchange the inside of the annealing furnace through the rectangular heat exchange groove and the heat exchange fins inside the rectangular heat exchange groove, and can ventilate and heat exchange the inside of the annealing furnace through the heat exchange holes inside the hole grooves and the mounting grooves and the flow guide holes, and can transfer heat to the water in the connecting pipe through the heat exchange rods, and can transport the hot water in the connecting pipe back to the pump for recycling and utilization. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 A preferred embodiment structure diagram of the bell-shaped annealing furnace annular waste heat recovery system is shown in the figure.

[0015] Figure 2 A preferred embodiment structure diagram of the bell-shaped annealing furnace annular waste heat recovery system is shown in the figure. Figure 1 A preferred embodiment structure diagram of the bell-shaped annealing furnace annular waste heat recovery system is shown in the figure.

[0016] Figure 3 A preferred embodiment structure diagram of the bell-shaped annealing furnace annular waste heat recovery system is shown in the figure. Figure 2 A preferred embodiment structure diagram of the bell-shaped annealing furnace annular waste heat recovery system is shown in the figure.

[0017] Figure 4 A preferred embodiment structure diagram of the bell-shaped annealing furnace annular waste heat recovery system is shown in the figure. Figure 3 A preferred embodiment structure diagram of the bell-shaped annealing furnace annular waste heat recovery system is shown in the figure.

[0018] Figure 5 A preferred embodiment structure diagram of the bell-shaped annealing furnace annular waste heat recovery system is shown in the figure. Figure 3 A preferred embodiment structure diagram of the bell-shaped annealing furnace annular waste heat recovery system is shown in the figure.

[0019] In the figure, 1 is a first heat exchange tile; 2 is a second heat exchange tile; 3 is a rectangular heat exchange groove; 4 is a flow guide hole; 5 is a mounting groove; 6 is a heat exchange hole; 7 is a hole groove; 8 is a positioning column; 9 is a connecting nut groove; 10 is a positioning hole; 11 is a heat exchange fin; 20 is an annealing furnace; 21 is a clamping rod; 22 is a heat exchange rod; 23 is a connecting pipe; and 24 is a pump. DETAILED DESCRIPTION

[0020] The utility model makes further illustration to the utility model below combining the drawing and implementation.

[0021] Please combine with reference to Figures 1-5 As shown in the figure, a bell type annealing furnace annular waste heat recovery system, including annealing furnace 20, the inner wall bottom of annealing furnace 20 is connected with first heat exchange tile 1 and second heat exchange tile 2 through clamping rod 21, and the outer side shell of first heat exchange tile 1 and second heat exchange tile 2 is all equal angle and is provided with rectangular heat exchange groove 3, and the inner wall of first heat exchange tile 1 and second heat exchange tile 2 is equal angle and is provided with installation groove 5 matched with clamping rod 21;

[0022] The middle section position of installation groove 5 is provided with hole groove 7, and the hole groove 7 on first heat exchange tile 1 and second heat exchange tile 2 is respectively penetrated with first heat exchange tile 1 and second heat exchange tile 2, and the top end of installation groove 5 is provided with heat exchange hole 6, and the end face of first heat exchange tile 1 and second heat exchange tile 2 is provided with flow guide hole 4 at the corresponding position of installation groove 5, wherein the flow guide hole 4 is communicated with the heat exchange hole 6 on the installation groove 5 of the corresponding position, the annealing furnace 20 is provided with the heat exchange rod 22 corresponding to the rectangular heat exchange groove 3, and the bottom end of the heat exchange rod 22 is fixedly connected with the connecting pipe 23, and the connecting pipe 23 is provided with the mechanical pump 24, and the inside top heat exchange hole 6 of hole groove 7 and installation groove 5 can cooperate with flow guide hole 4 to ventilate and exchange heat in the inside of the annealing furnace 20, the heat is transferred to the water in connecting pipe 23 through heat exchange rod 22, and the hot water in connecting pipe 23 is transported back and recycled through mechanical pump 24 and is utilized;

[0023] The cross section of the first heat exchange tile 1 and the second heat exchange tile 2 is symmetrically provided with two connecting nut grooves 9, and three positioning columns 8 are welded on the cross section of the second heat exchange tile 2, and the three positioning columns 8 are distributed in a triangular shape, three heat exchange positioning holes 10 are provided on the two cross sections of the first heat exchange tile 1, and the three heat exchange positioning holes 10 are distributed in a triangular shape.

[0024] The inner diameter and the outer diameter of the first heat exchange tile 1 and the second heat exchange tile 2 are equal, and the length of the first heat exchange tile 1 and the second heat exchange tile 2 is equal, a plurality of heat exchange fins 11 are equidistantly welded on the two side walls of the rectangular heat exchange groove 3, and the heat exchange fins 11 on the two side walls of the rectangular heat exchange groove 3 are distributed in a staggered manner, and the rectangular heat exchange groove 3 can exchange heat in the inside of the annealing furnace 20 in cooperation with the heat exchange fins 11 on the inside thereof.

[0025] The diameter and the length of the positioning column 8 are equal to the inner diameter and the depth of the positioning hole 10, and the positions of the three positioning columns 8 correspond to the positions of the three positioning holes 10 one by one, and during installation, the first heat exchange tile 1 and the second heat exchange tile 2 are spliced by the positioning column 8 cooperating with the positioning hole 10.

[0026] The working principle of the annular waste heat recovery system of the bell-type annealing furnace is as follows: when installing, firstly, the first heat exchange tile 1 and the second heat exchange tile 2 are spliced through the positioning column 8 and the positioning hole 10, then the first heat exchange tile 1 and the second heat exchange tile 2 are screw-fixed through the connecting nut groove 9 and the connecting stud, the first heat exchange tile 1 and the second heat exchange tile 2 are placed on the clamping rod 21, when the annealing furnace 20 is completed, the machine pump 24 is started, the rectangular heat exchange groove 3 and the heat exchange fin 11 on the inner side thereof can heat exchange the inside of the annealing furnace 20, at the same time, the annealing furnace 20 can be ventilated and heat exchanged through the hole groove 7, the heat exchange hole 6 on the inner side top of the installation groove 5 and the flow guiding hole 4, the heat is transferred to the water in the connecting pipe 23 through the heat exchange rod 22, and the hot water in the connecting pipe 23 is transported, recovered and utilized through the machine pump 24.

[0027] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent flow transformation using the utility model specification and the attached drawing contents, or direct or indirect application in other related technical fields, are also included in the patent protection range of the utility model.

Claims

1. A bell-type annealing furnace annular waste heat recovery system comprising an annealing furnace (20), characterized in that: The inner wall bottom of the annealing furnace (20) is clamped with the first heat exchange tile (1) and the second heat exchange tile (2) through the clamping rod (21), and the outer side shell of the first heat exchange tile (1) and the second heat exchange tile (2) is equally angularly provided with the rectangular heat exchange groove (3), and the inner wall of the first heat exchange tile (1) and the second heat exchange tile (2) is equally angularly provided with the mounting groove (5) matched with the clamping rod (21). The middle section of the mounting groove (5) is provided with the hole groove (7), and the hole groove (7) on the first heat exchange tile (1) and the second heat exchange tile (2) penetrates the first heat exchange tile (1) and the second heat exchange tile (2) respectively, the top end of the mounting groove (5) is provided with the heat exchange hole (6), the end face of the first heat exchange tile (1) and the second heat exchange tile (2) is provided with the flow guide hole (4) at the corresponding position of the mounting groove (5), wherein the flow guide hole (4) is in communication with the heat exchange hole (6) on the mounting groove (5) at the corresponding position, and the annealing furnace (20) is provided with the heat exchange rod (22) corresponding to the rectangular heat exchange groove (3), and the bottom end of the heat exchange rod (22) is fixedly connected with the connecting pipe (23), and the connecting pipe (23) is provided with the mechanical pump (24).

2. The bell-type annealing furnace annular waste heat recovery system according to claim 1, characterized in that: The first heat exchange tile (1) and the second heat exchange tile (2) are symmetrically provided with two connecting nut grooves (9) on the cross section, and three positioning columns (8) are welded on the cross section of the second heat exchange tile (2), and the three positioning columns (8) are distributed in a triangular shape.

3. The bell-type annealing furnace annular waste heat recovery system according to claim 1, characterized in that: The first heat exchange tile (1) is provided with three heat exchange positioning holes (10) on two cross sections, and the three heat exchange positioning holes (10) are distributed in a triangular shape.

4. The bell-type annealing furnace annular waste heat recovery system according to claim 1, characterized in that: The inner diameter and the outer diameter of the first heat exchange tile (1) and the second heat exchange tile (2) are equal, and the length of the first heat exchange tile (1) and the second heat exchange tile (2) is equal.

5. The bell-type annealing furnace annular waste heat recovery system according to claim 1, characterized in that: A plurality of heat exchange fins (11) are equally welded on the two side walls of the rectangular heat exchange groove (3), and the heat exchange fins (11) on the two side walls of the rectangular heat exchange groove (3) are distributed in a staggered manner.

6. The bell-type annealing furnace annular waste heat recovery system according to claim 2, characterized in that: The diameter and length of the positioning column (8) are equal to the inner diameter and depth of the positioning hole (10), and the positions of the three positioning columns (8) correspond to the positions of the three positioning holes (10) one by one.

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