Partitioned precise temperature control energy-saving kiln

Abstract

The utility model discloses a kind of partition accurate temperature control energy-saving kiln, comprising: tunnel kiln;No. 2 suction box, no. 2 suction box equidistantly set in the inside of tunnel kiln, the beneficial effects of the utility model are: by being provided with top fixed support plate, inner sliding baffle, air hole, when top fixed support plate moves, it is realized that inner sliding baffle is driven to slide in inner blowing box, inner sliding baffle drives the synchronous movement of internal air hole, each air hole in inner sliding baffle is matched with each air hole opened in the inside of inner blowing box, the ventilation size of air hole is adjusted, according to temperature height, the size of air supply size, air hole is adjusted and handled, by being provided with no. 2 suction box, no. 2 air inlet frame, fixed support and resistance heating band, it is realized that one side hot air of nozzle type combustor combustion enters no. 2 air inlet frame, no. 2 suction box, preheating treatment is carried out to blank in combination with the setting of resistance heating band.

Description

Technical Field

[0001] This utility model relates to the field of kiln technology, specifically to a zoned, precise temperature-controlled, energy-saving kiln. Background Technology

[0002] A kiln is an industrial device used for high-temperature heat treatment. It generates a high-temperature environment by burning fuel or using electricity to heat, sinter, melt, dry, and roast materials, resulting in a series of physical and chemical changes. Preheating is a crucial step in the sintering process. Good preheating can ensure that the green body is heated evenly, reduce thermal stress, and avoid problems such as cracking caused by rapid temperature rise. It can also improve energy efficiency. However, the preheating methods of traditional kilns are often not ideal. Uneven preheating and difficulty in precisely controlling the preheating time lead to inconsistent states of the green body when entering the sintering stage, which in turn affects the quality of the final product. Utility Model Content

[0003] The purpose of this utility model is to provide a zoned, precise temperature-controlled, energy-saving kiln to solve the problem that the preheating method of traditional kilns mentioned in the background art is often not ideal, the preheating is uneven, and the preheating time is difficult to control precisely, resulting in inconsistent state of the green body when entering the sintering stage, which in turn affects the quality of the final product.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a zoned, precise temperature-controlled, energy-saving kiln, comprising:

[0005] Tunnel kilns;

[0006] The No. 2 suction box is equidistantly arranged inside the tunnel kiln, and multiple No. 2 air inlet frames are equidistantly arranged inside the No. 2 suction box.

[0007] Fixed supports are equidistantly arranged on the inner side of the tunnel kiln, and resistance heating strips are installed inside the fixed supports;

[0008] The No. 1 suction box is equidistantly arranged inside the tunnel kiln, and multiple No. 1 air inlet frames are fixed to the inner side of the No. 1 suction box.

[0009] The nozzle-type burner is installed at equal intervals on the inner side of the tunnel kiln. Three inner air boxes are fixed at equal intervals on the inner side of the tunnel kiln. An inner sliding baffle is slidably installed inside the inner air box. Multiple ventilation holes are opened at equal intervals inside the inner air box and the inner sliding baffle.

[0010] As a preferred embodiment of this utility model: a top fixed support plate is fixedly connected to one side of the inner sliding baffle, the top fixed support plate is slidably connected to the inner air box, the top fixed support plate is slidably connected to the tunnel kiln, a top fixed box is fixedly connected to the top of the tunnel kiln, an inner sliding plate is slidably arranged inside the top fixed box, the tops of two of the top fixed support plates are fixedly connected to the inner sliding plate, two of the top fixed support plates are slidably connected to the top fixed box, a first cylinder is installed on the top of the top fixed box, the output end of the first cylinder is fixedly connected to the inner sliding plate, a plurality of limiting slide rods are symmetrically slidably arranged inside the inner sliding plate, the limiting slide rods are fixedly connected to the top fixed box, a side fixed frame is fixedly connected to one side of the tunnel kiln, a second cylinder is installed on one side of the side fixed frame, and another top fixed support plate is fixedly connected to the output end of the second cylinder.

[0011] As a preferred embodiment of this utility model: a No. 1 exhaust air box is symmetrically arranged on the outer side of the tunnel kiln, and multiple No. 1 suction air boxes are connected to the No. 1 exhaust air box through air ducts. A No. 2 exhaust air box is arranged on the outer side of the tunnel kiln, and multiple No. 2 suction air boxes are connected to the No. 2 exhaust air box through air ducts. A No. 2 exhaust air duct is arranged on the top of the No. 2 exhaust air box, and a No. 1 exhaust air duct is arranged on the top of the No. 1 exhaust air box.

[0012] As a preferred embodiment of this utility model: air inlet pipes are symmetrically fixed to the outer side of the inner air box, the air inlet pipes are fixed to the tunnel kiln, and filter screens are fixed to the inner side of the first air inlet frame and the second air inlet frame.

[0013] As a preferred embodiment of this utility model, a sintering rack is slidably arranged inside the tunnel kiln.

[0014] As a preferred embodiment of this utility model, multiple thermocouples are installed on the inner side of the tunnel kiln.

[0015] Compared with the prior art, the beneficial effects of this utility model are as follows: By setting up a top fixed support plate, an inner sliding baffle, and ventilation holes, this utility model realizes that when the top fixed support plate moves, it drives the inner sliding baffle to slide in the inner air box. The inner sliding baffle drives the internal ventilation holes to move synchronously, and the ventilation holes in the inner sliding baffle cooperate with the ventilation holes opened in the inner air box to adjust the ventilation size of the ventilation holes. The air supply size and the size of the ventilation holes are adjusted according to the temperature. By setting up a second suction box, a second air inlet frame, a fixed bracket, and a resistance heating belt, it realizes that the hot air from one side of the nozzle burner enters the second air inlet frame and the second suction box during combustion, and the billet is preheated by the resistance heating belt. Attached Figure Description

[0016] Figure 1This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This is a rear view of the present invention;

[0018] Figure 3 This is a schematic diagram of the internal structure of the inner blowing box of this utility model;

[0019] Figure 4 This is a schematic diagram of the fixed bracket and resistance heating strip structure of this utility model;

[0020] Figure 5 This is a schematic diagram of the No. 1 suction box and No. 1 air inlet frame of this utility model;

[0021] Figure 6 This is a schematic diagram of the internal sliding baffle structure of this utility model.

[0022] In the diagram: 1. Tunnel kiln; 2. No. 1 external exhaust box; 3. No. 1 exhaust pipe; 4. No. 1 suction box; 5. No. 1 air inlet frame; 6. Filter screen; 7. Thermocouple; 8. Internal blowing box; 9. Internal sliding baffle; 10. Ventilation hole; 11. Air inlet pipe; 12. Top fixed support plate; 13. Top fixed box; 14. Internal sliding plate; 15. Limiting slide bar; 16. No. 1 cylinder; 17. Side fixed frame; 18. No. 2 cylinder; 19. No. 2 external exhaust box; 20. No. 2 exhaust pipe; 21. Fixed bracket; 22. Resistance heating belt; 23. No. 2 suction box; 24. No. 2 air inlet frame; 25. Nozzle burner; 26. Sintering rack. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Please see Figures 1 to 6This utility model provides a technical solution: a zoned precision temperature control energy-saving kiln, comprising: a tunnel kiln 1; a second suction box 23 equidistantly fixed to the inner side of the tunnel kiln 1, and a plurality of second air inlet frames 24 equidistantly fixed to the inner side of the second suction box 23; a fixed bracket 21 equidistantly arranged on the inner side of the tunnel kiln 1, and a resistance heating strip 22 installed inside the fixed bracket 21; a first suction box 4 equidistantly fixed to the inner side of the tunnel kiln 1, and a plurality of first air inlet frames 5 equidistantly fixed to the inner side of the first suction box 4; a nozzle-type burner 25 equidistantly installed on the inner side of the tunnel kiln 1, and three inner blowing boxes 8 equidistantly fixed to the inner side of the tunnel kiln 1, with an inner sliding baffle 9 slidably arranged inside the inner blowing box 8, and a plurality of ventilation holes 10 equidistantly opened inside the inner blowing box 8 and the inner sliding baffle 9.

[0025] It should be noted that, in this embodiment, the billet to be sintered is placed on the sintering rack 26 and moved within the tunnel kiln 1 via the sintering rack 26. Combustion is carried out via the nozzle burner 25, where fuel and air are mixed in a certain proportion and sprayed out for combustion. The heat from the combustion in the nozzle burner 25 within the tunnel kiln 1 enters the second suction box 23 through the second air inlet frame 24. The second exhaust pipe 20 and the first exhaust pipe 3 are both connected to external exhaust equipment. Hot air from the other side enters through the first air inlet frame 5. Inside the No. 1 suction box 4, exhaust air is drawn in through the No. 1 exhaust pipe 3 at the top of the No. 1 external exhaust box 2 and the No. 2 exhaust pipe 20 at the top of the No. 2 external exhaust box 19. The hot air flowing during the process is drawn in through the resistance heating belt 22 installed on the fixed bracket 21 and the No. 2 air inlet frame 24 to preheat multiple billets on the moving sintering rack 26 inside the tunnel kiln 1. Then, the billets are sintered through the nozzle burner 25, and ventilation is achieved through multiple ventilation holes 10. The internal blowing box 8 is ventilated through the air inlet pipe 1. 1. External cooling fan equipment and ambient temperature fan equipment blow air into the inner air box 8 through the air inlet pipe 11. The air is then blown into the tunnel kiln 1 through the inner sliding baffle 9 and the ventilation holes 10 in the inner air box 8. The output end of cylinder 16 drives the inner sliding plate 14 to slide within the top fixed box 13. The inner sliding plate 14 drives the top fixed support plate 12 and the inner sliding baffle 9 to move. The output end of cylinder 18 drives another top fixed support plate 12 and the inner sliding baffle 9 to move. The positions of the multiple ventilation holes 10 inside and the multiple ventilation holes 10 inside the inner blowing box 8 are adjusted, and the size of the ventilation holes 10 is adjusted. Cold air or normal temperature air is blown to cool the sintered ceramic as needed. The temperature of each area is detected in real time by multiple thermocouples 7 inside the tunnel kiln 1. The air inside the tunnel kiln 1 is extracted through the No. 1 air inlet frame 5 and the No. 1 air suction box 4. The hot air on the other side of the nozzle burner 25 and the air for cooling the billet are extracted and collected.

[0026] The tunnel kiln 1 is mainly constructed of refractory materials, insulation materials, and building materials. Refractory materials are used to build the inner lining of the kiln walls and roof to withstand the high-temperature environment; insulation materials are used to reduce heat loss and improve thermal efficiency; and building materials are mainly used for the outer wall and supporting structure of the kiln.

[0027] In one embodiment, such as Figures 1 to 6 As shown, a top fixed support plate 12 is fixedly connected to one side of the inner sliding baffle 9. The top fixed support plate 12 is slidably connected to the inner air box 8 and the tunnel kiln 1. A top fixed box 13 is fixedly connected to the top of the tunnel kiln 1. An inner sliding plate 14 is slidably arranged inside the top fixed box 13. The tops of two top fixed support plates 12 are fixedly connected to the inner sliding plate 14, and the two top fixed support plates 12 are slidably connected to the top fixed box 13. A first cylinder 16 is bolted to the top of the top fixed box 13. The output end of the first cylinder 16 is fixedly connected to the inner sliding plate 14. Multiple limiting slide rods 15 are symmetrically slidably arranged inside the inner sliding plate 14. The limiting slide rods 15 are fixedly connected to the top fixed box 13. A side fixed frame 17 is fixedly connected to one side of the tunnel kiln 1. A second cylinder 18 is bolted to one side of the side fixed frame 17. Another top fixed support plate 12 is fixedly connected to the output end of the second cylinder 18.

[0028] It should be noted that in this embodiment, the output end of the first cylinder 16 drives the inner sliding plate 14 to move, and the inner sliding plate 14 drives two of the top fixed support plates 12 and the inner sliding baffle 9 to move. The output end of the second cylinder 18 drives another top fixed support plate 12 and the inner sliding baffle 9 to move, thereby adjusting the relative position of the ventilation hole 10 in the inner sliding baffle 9 and the ventilation hole 10 in the inner blow box 8, and adjusting the size of the ventilation hole 10.

[0029] In one embodiment, such as Figures 1 to 5 As shown, a No. 1 exhaust air box 2 is symmetrically arranged on the outside of the tunnel kiln 1. Multiple No. 1 suction air boxes 4 are connected to the No. 1 exhaust air box 2 through air ducts. A No. 2 exhaust air box 19 is arranged on the outside of the tunnel kiln 1. Multiple No. 2 suction air boxes 23 are connected to the No. 2 exhaust air box 19 through air ducts. A No. 2 exhaust air pipe 20 is arranged on the top of the No. 2 exhaust air box 19. A No. 1 exhaust air pipe 3 is arranged on the top of the No. 1 exhaust air box 2.

[0030] It should be noted that in this embodiment, exhaust pipe 3 and exhaust pipe 20 are connected to external exhaust equipment to extract the sintering gas inside the tunnel kiln 1.

[0031] In one embodiment, such as Figures 1 to 5 As shown, air inlet pipes 11 are symmetrically fixed to the outer side of the inner air box 8. The air inlet pipes 11 are fixed to the tunnel kiln 1. Filter screens 6 are fixed to the inner side of the first air inlet frame 5 and the second air inlet frame 24.

[0032] It should be noted that in this embodiment, the air intake impurities of the first air intake frame 5 and the second air intake frame 24 are filtered by the filter screen 6 to avoid the impurities from causing any impact.

[0033] In one embodiment, such as Figure 1 As shown, a sintering rack 26 is slidably installed inside the tunnel kiln 1.

[0034] It should be noted that in this embodiment, the billet to be sintered is placed on the sintering rack 26 and moved inside the tunnel kiln 1 to perform sintering treatment on the billet.

[0035] In one embodiment, such as Figures 1 to 5 As shown, multiple thermocouples 7 are installed on the inner side of the tunnel kiln 1.

[0036] It should be noted that, in this embodiment, the temperature of each area inside the tunnel kiln 1 is detected by thermocouple 7.

[0037] In the description of this utility model, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "side", "top", "inner", "front", "center", "both ends", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0038] Furthermore, the terms "first," "second," "third," and "fourth" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first," "second," "third," or "fourth" may explicitly or implicitly include at least one of those features.

[0039] In this utility model, unless otherwise explicitly specified and limited, the terms "installation", "setting", "connection", "fixing", "screw connection", etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal connection of two components or the interaction between two components. Unless otherwise explicitly limited, those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0040] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A partitioned precision temperature control energy-saving kiln, characterized in that, include: Tunnel kiln (1); The second suction box (23) is equidistantly arranged on the inner side of the tunnel kiln (1), and multiple second air inlet frames (24) are equidistantly arranged on the inner side of the second suction box (23). Fixed brackets (21) are equidistantly arranged on the inner side of the tunnel kiln (1), and resistance heating strips (22) are installed inside the fixed brackets (21); The No. 1 suction box (4) is equidistantly arranged on the inner side of the tunnel kiln (1), and multiple No. 1 air inlet frames (5) are fixedly connected to the inner side of the No. 1 suction box (4). The nozzle-type burner (25) is installed at equal intervals on the inner side of the tunnel kiln (1). Three inner air boxes (8) are fixed at equal intervals on the inner side of the tunnel kiln (1). An inner sliding baffle (9) is slidably arranged inside the inner air box (8). Multiple ventilation holes (10) are opened at equal intervals inside the inner air box (8) and the inner sliding baffle (9).

2. The partitioned precision temperature control energy-saving kiln according to claim 1, characterized in that: A top fixed support plate (12) is fixedly connected to one side of the inner sliding baffle (9). The top fixed support plate (12) is slidably connected to the inner air box (8) and to the tunnel kiln (1). A top fixed box (13) is fixedly connected to the top of the tunnel kiln (1). An inner sliding plate (14) is slidably arranged inside the top fixed box (13). The tops of two of the top fixed support plates (12) are fixedly connected to the inner sliding plate (14), and the two top fixed support plates (12) are slidably connected to the top fixed box (13). A cylinder (16) is installed on the top of the top fixed box (13). The output end of the cylinder (16) is fixedly connected to the inner sliding plate (14). Multiple limiting slide rods (15) are symmetrically slidably arranged inside the inner sliding plate (14). The limiting slide rods (15) are fixedly connected to the top fixed box (13). A side fixed frame (17) is fixedly connected to one side of the tunnel kiln (1). A cylinder (18) is installed on one side of the side fixed frame (17). Another top fixed support plate (12) is fixedly connected to the output end of the cylinder (18).

3. The partitioned precision temperature control energy-saving kiln according to claim 1, characterized in that: A first exhaust fan box (2) is symmetrically arranged on the outside of the tunnel kiln (1). Multiple first suction fans (4) are connected to the first exhaust fan box (2) through air ducts. A second exhaust fan box (19) is arranged on the outside of the tunnel kiln (1). Multiple second suction fans (23) are connected to the second exhaust fan box (19) through air ducts. A second exhaust pipe (20) is arranged on the top of the second exhaust fan box (19). A first exhaust pipe (3) is arranged on the top of the first exhaust fan box (2).

4. The partitioned precision temperature control energy-saving kiln according to claim 1, characterized in that: The outer sides of the inner air box (8) are symmetrically fixed with air inlet pipes (11), the air inlet pipes (11) are fixed to the tunnel kiln (1), and the inner sides of the first air inlet frame (5) and the second air inlet frame (24) are fixed with filter screens (6).

5. The energy-saving partitioned precision temperature control kiln according to claim 1, characterized in that: The tunnel kiln (1) is equipped with a sintering rack (26) that slides inside.

6. The energy-saving kiln with zoned precise temperature control according to claim 1, characterized in that: Multiple thermocouples (7) are installed on the inner side of the tunnel kiln (1).

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