Safe and energy-saving drying kiln device utilizing waste heat

Abstract

The utility model discloses a safe and energy-saving drying kiln device utilizing waste heat, and belongs to the technical field of kiln equipment. The safe and energy-saving drying kiln device utilizing waste heat comprises two tunnel kilns, the outer surface of one side of each tunnel kiln is fixedly connected with a set of heat conduction square pipes, the number of the heat conduction square pipes in each set is five, each heat conduction square pipe communicates with the interior of the corresponding tunnel kiln, a blocking plate slidably penetrates through the top of each heat conduction square pipe, and the blocking plate is fixedly connected with the top of the corresponding tunnel kiln. The tops of every five blocking plates are fixedly connected with a connecting plate; according to the safe and energy-saving drying kiln device utilizing the waste heat, the waste heat in the two tunnel kilns can enter the rectangular drying box, semi-finished products are placed in the rectangular drying box, the waste heat of the two tunnel kilns is used for drying the semi-finished products, and the drying efficiency is improved. Traditional electric heating or fuel gas heat supply is replaced, fuel consumption is reduced, and the production cost is reduced.

Description

Technical Field

[0001] This utility model relates to the field of kiln equipment technology, and more specifically, to a waste heat utilization safe and energy-saving drying kiln device. Background Technology

[0002] A kiln is a high-temperature heating device, typically constructed of refractory materials, used for industrial or handicraft production such as firing ceramics, bricks, tiles, glass, and metal smelting. Its enclosed space receives heat from fuel, reaching temperatures of hundreds to thousands of degrees Celsius. Precise temperature control enables physicochemical reactions in materials, such as the vitrification of clay, the melting of glazes, or the purification of metals.

[0003] In the firing process of ceramics, bricks and tiles, refractory materials and other industries, tunnel kilns are commonly used high-temperature sintering equipment. When firing products, tunnel kilns generate a large amount of high-temperature waste heat. In traditional processes, this waste heat is usually directly discharged into the atmosphere through chimneys, which directly causes energy waste and increases production costs. Utility Model Content

[0004] 1. Technical problems to be solved

[0005] In view of the problems existing in the prior art, the purpose of this utility model is to provide a waste heat utilization safe and energy-saving drying kiln device, which can use the waste heat of two tunnel kilns to dry semi-finished products, replacing traditional electric heating or gas heating, reducing fuel consumption and lowering production costs.

[0006] 2. Technical Solution

[0007] To solve the above problems, the present invention adopts the following technical solution:

[0008] A waste heat utilization safe and energy-saving drying kiln device, comprising:

[0009] Two tunnel kilns, each with a set of five heat-conducting square tubes fixedly connected to one side of its outer surface. Each heat-conducting square tube is connected to the interior of the corresponding tunnel kiln. A blocking plate slides through the top of each heat-conducting square tube, and a connecting plate is fixedly connected to the top of every five blocking plates.

[0010] A rectangular drying oven is fixedly connected between two sets of heat-conducting square tubes. Two support frame plates are fixedly connected to the top of the rectangular drying oven. A hydraulic cylinder is fixedly installed on the top of each support frame plate. The output ends of the two hydraulic cylinders are fixedly connected to connecting frame plates. Each connecting frame plate is fixedly connected to the top of the two connecting plates.

[0011] As a preferred embodiment of this utility model, a conveyor belt device is fixedly installed inside the rectangular drying oven.

[0012] As a preferred embodiment of this utility model, the rectangular drying oven is rotatably connected to doors at both the front and rear.

[0013] As a preferred embodiment of this utility model, each of the connecting frame plates is fixedly connected to the top of two limiting rods, and each pair of limiting rods slides through the top of the corresponding supporting frame plate.

[0014] As a preferred embodiment of this utility model, each of the limiting rods is made of stainless steel.

[0015] As a preferred embodiment of this utility model, each of the blocking plates is made of ceramic fiber material.

[0016] 3. Beneficial effects

[0017] Compared with existing technologies, this utility model provides a safe and energy-saving drying kiln device for utilizing waste heat, which has the following beneficial effects:

[0018] This waste heat utilization and energy-saving drying kiln device uses two tunnel kilns. During firing, each blocking plate is located inside its corresponding heat-conducting square tube, blocking the connection between the rectangular drying box and the inside of the two tunnel kilns. This prevents heat from the inside of the two tunnel kilns from dissipating into the rectangular drying box. When the two tunnel kilns finish firing, two hydraulic cylinders are started synchronously, driving two connecting frame plates to rise synchronously. This causes the two connecting plates to move all the blocking plates upward, opening the connection between the tunnel kilns and the rectangular drying box. At the same time, each blocking plate does not detach from its corresponding heat-conducting square tube, ensuring that the heat-conducting square tube does not dissipate heat to the outside. The waste heat from the two tunnel kilns enters the inside of the rectangular drying box. By placing the semi-finished products inside the rectangular drying box, the waste heat from the two tunnel kilns is used to dry the semi-finished products, replacing traditional electric heating or gas heating, reducing fuel consumption and lowering production costs. Attached Figure Description

[0019] Figure 1 This is a perspective view of the present utility model;

[0020] Figure 2 This is a partial structural cross-sectional view of the present invention;

[0021] Figure 3 This is an exploded view of a portion of the structure of the heat-conducting square tube of this utility model.

[0022] Explanation of the labels in the diagram:

[0023] 1. Tunnel kiln; 2. Heated square tube; 3. Rectangular drying oven; 4. Oven door; 5. Support frame plate; 6. Hydraulic cylinder; 7. Conveyor belt; 8. Limiting rod; 9. Connecting frame plate; 10. Connecting plate; 11. Blocking plate. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.

[0025] Example:

[0026] Please see Figures 1-3 A waste heat utilization safe and energy-saving drying kiln device, comprising:

[0027] Two tunnel kilns 1, each with a set of five heat-conducting square tubes 2 fixedly connected to one side of its outer surface. Each heat-conducting square tube 2 is connected to the interior of the corresponding tunnel kiln 1. A blocking plate 11 slides through the top of each heat-conducting square tube 2, and a connecting plate 10 is fixedly connected to the top of every five blocking plates 11.

[0028] A rectangular drying oven 3 is fixedly connected between two sets of heat-conducting square tubes 2. Two support frame plates 5 are fixedly connected to the top of the rectangular drying oven 3. A hydraulic cylinder 6 is fixedly installed on the top of each support frame plate 5. The output ends of the two hydraulic cylinders 6 are fixedly connected to connecting frame plates 9. Each connecting frame plate 9 is fixedly connected to the top of two connecting plates 10.

[0029] In a specific embodiment of this utility model, when the two tunnel kilns 1 are firing, each blocking plate 11 is located inside the corresponding heat-conducting square tube 2, blocking the connection between the rectangular drying box 3 and the interior of the two tunnel kilns 1. This prevents the heat inside the two tunnel kilns 1 from dissipating into the interior of the rectangular drying box 3. When the two tunnel kilns 1 finish firing, the two hydraulic cylinders 6 are started synchronously, driving the two connecting frame plates 9 to rise synchronously. This causes the two connecting plates 10 to move all the blocking plates 11 upwards, opening the connection between the tunnel kilns 1 and the rectangular drying box 3. At the same time, each blocking plate 11 will not detach from the corresponding heat-conducting square tube 2, ensuring that the heat-conducting square tube 2 does not dissipate heat to the outside. The residual heat in the two tunnel kilns 1 will enter the interior of the rectangular drying box 3. By placing the semi-finished product inside the rectangular drying box 3, the residual heat of the two tunnel kilns 1 is used to dry the semi-finished product, replacing traditional electric heating or gas heating, reducing fuel consumption and lowering production costs.

[0030] Specifically, a conveyor belt device 7 is fixedly installed inside the rectangular drying oven 3.

[0031] In this embodiment, the conveyor belt device 7 is used to feed semi-finished products into the interior of the rectangular drying oven 3.

[0032] Specifically, the rectangular drying oven 3 has doors 4 that are rotatably connected to both the front and rear.

[0033] In this embodiment, when the rectangular drying oven 3 is utilizing waste heat, the waste heat inside the rectangular drying oven 3 is dissipated more slowly by closing the two oven doors 4.

[0034] Specifically, each connecting frame plate 9 has two limiting rods 8 fixedly connected to its top, and each pair of limiting rods 8 slides through the top of the corresponding supporting frame plate 5.

[0035] In this embodiment, every two limit rods 8 ensure that the corresponding connecting frame plate 9 remains stable during the lifting and lowering motion.

[0036] Specifically, each limit rod 8 is made of stainless steel.

[0037] In this embodiment, the surface of the limiting rod 8 is smooth, and the friction between it and the support frame plate 5 is small.

[0038] Specifically, each blocking plate 11 is made of ceramic fiber material.

[0039] In this embodiment, the blocking plate 11 has excellent heat insulation performance and high temperature resistance.

[0040] Working principle: When the two tunnel kilns 1 are firing, each blocking plate 11 is located inside the corresponding heat-conducting square tube 2, blocking the connection between the rectangular drying box 3 and the interior of the two tunnel kilns 1. This prevents the heat inside the two tunnel kilns 1 from dissipating into the interior of the rectangular drying box 3. When the two tunnel kilns 1 finish firing, the two hydraulic cylinders 6 are started synchronously, driving the two connecting frame plates 9 to rise synchronously. This causes the two connecting plates 10 to move all the blocking plates 11 upward, opening the connection between the tunnel kilns 1 and the rectangular drying box 3. At the same time, each blocking plate 11 will not detach from the corresponding heat-conducting square tube 2, ensuring that the heat-conducting square tube 2 does not dissipate heat to the outside. The residual heat in the two tunnel kilns 1 will enter the interior of the rectangular drying box 3. By placing the semi-finished products into the interior of the rectangular drying box 3, the residual heat of the two tunnel kilns 1 is used to dry the semi-finished products, replacing traditional electric heating or gas heating, reducing fuel consumption and lowering production costs.

[0041] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model based on the technical solution and its improved concept should be covered within the protection scope of the present utility model.

Claims

1. A waste heat utilization safe energy-saving drying kiln device, characterized in that, Include: Two tunnel kilns (1), one side of each of the tunnel kiln (1) outer surface is fixedly connected with a group of hot square tube (2), each group of hot square tube (2) is provided with five, each of the hot square tube (2) and the corresponding tunnel kiln (1) inside are communicated, the top of each of the hot square tube (2) is slidably penetrated by a blocking plate (11), the top of every five blocking plate (11) is fixedly connected with a connecting plate (10); And Rectangular drying box (3), the rectangular drying box (3) is fixedly connected between two groups of hot square tube (2), the top of the rectangular drying box (3) is fixedly connected with two support frame plates (5), the top of each of the support frame plates (5) is fixedly installed with a hydraulic cylinder (6), the output end of two hydraulic cylinders (6) is fixedly connected with a connecting frame plate (9), each of the connecting frame plate (9) is fixedly connected on the top of two connecting plates (10).

2. The waste heat utilization safe energy-saving drying kiln device according to claim 1, characterized in that: The inside of the rectangular drying box (3) is fixedly installed with a conveyor belt device (7).

3. The waste heat utilization safe energy-saving drying kiln device according to claim 1, characterized in that: The front and rear of the rectangular drying box (3) are rotatably connected with box doors (4).

4. The waste heat utilization safe energy-saving drying kiln device according to claim 1, characterized in that: The top of each of the connecting frame plate (9) is fixedly connected with two limiting rods (8), and each of the two limiting rods (8) is slidably penetrated through the top of the corresponding support frame plate (5).

5. The waste heat utilization safe energy-saving drying kiln device according to claim 4, characterized in that: Each of the limiting rods (8) is made of stainless steel.

6. The waste heat utilization safe energy-saving drying kiln device according to claim 1, characterized in that: Each of the blocking plate (11) is made of ceramic fiber material.

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