Automatic temperature adjusting device for hot blast stove

Abstract

The utility model discloses a hot-blast stove temperature automatic adjusting device in the technical field of hot-blast stoves, which comprises a bottom plate and a combustion box body, the combustion box body is fixedly arranged at the upper end of the bottom plate, a combustion chamber is arranged in the combustion box body, one end of the combustion chamber penetrates through one side of the combustion box body, and the other end of the combustion chamber penetrates through the other side of the combustion box body. The other end of the combustion chamber is connected with a combustion machine, a gas circulation structure is arranged at the upper end of the combustion box body, and the gas circulation structure comprises a gas inlet pipe, a temperature control box body and a gas outlet pipe; a gas circulation structure is adopted, a combustion chamber is integrally heated through a combustor, gas in a combustion box body is heated, then temperature adjustment is conducted, the gas output is controlled through a temperature control structure, the heated gas and unheated gas are proportionally conveyed, and the overall temperature control effect is guaranteed; the size of an air outlet of the air inlet frame is changed through the arranged electric push rod, and the conveying amount of cold air is rapidly adjusted.

Description

Technical Field

[0001] This utility model relates to the field of hot blast stove technology, specifically to an automatic temperature regulating device for hot blast stoves. Background Technology

[0002] A hot blast stove is a device that generates hot air by burning fuel. It is widely used in industrial production, especially in processes such as drying, heating, and melting. Its main principle is to generate heat by burning fuel (such as natural gas, heavy oil, coal, etc.), and then use a fan to deliver hot air to the materials or space that need to be heated.

[0003] Currently, the hot air load and temperature are controlled by adjusting the amount of supplemental air and the amount of fuel in the combustion chamber. However, this control method has poor precision and is subject to lag. Therefore, a new technical solution needs to be designed to address this issue. Utility Model Content

[0004] The purpose of this utility model is to provide an automatic temperature regulating device for hot blast stoves, in order to solve the problem mentioned in the background art that the existing automatic temperature regulating device for hot blast stoves controls the hot air load and temperature by adjusting the make-up air volume and the fuel volume in the combustion chamber. Such control has poor accuracy and lag.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an automatic temperature regulating device for a hot air furnace, comprising a base plate and a combustion chamber, wherein the combustion chamber is fixedly installed on the upper end of the base plate, the combustion chamber is provided with a combustion chamber, one end of the combustion chamber extends through one side of the combustion chamber, the other end of the combustion chamber is connected to a burner, and the upper end of the combustion chamber is provided with a gas circulation structure, the gas circulation structure comprising an inlet pipe, a temperature control chamber, and an outlet pipe;

[0006] One end of the air intake pipe is connected to one side of the upper end of the combustion chamber, the temperature control chamber is fixedly installed on the other side of the upper end of the combustion chamber and is connected to the combustion chamber, and one end of the air outlet pipe is connected to the other end of the temperature control chamber.

[0007] As a preferred embodiment of the automatic temperature regulation device for a hot air furnace according to this utility model, a temperature control structure is connected between the air inlet pipe and the temperature control box. The temperature control structure includes a connecting pipe, a control valve, a hose, an electric push rod, a sealing plate, an air inlet frame, and a top sealing plate.

[0008] One end of the connecting pipe is connected to one side of the air inlet pipe. The control valve is installed on the upper end of the connecting pipe. One end of the hose is connected to the connecting pipe. The electric push rod is installed on one side wall of the temperature control box, and its telescopic end is movably embedded in the side wall of the temperature control box. The sealing plate is movably embedded in one side wall of the temperature control box and connected to the telescopic end of the electric push rod. The air inlet frame is fixedly installed on the upper end of the sealing plate and movably embedded in one side wall of the temperature control box. One end of the air inlet frame is connected to the other end of the hose. The top sealing plate is fixedly embedded in one side wall of the temperature control box and located on the upper end of the air inlet frame.

[0009] As a preferred embodiment of the automatic temperature regulating device for a hot air furnace according to this utility model, a push rod fixing bracket is provided at the connection between the electric push rod and the temperature control box.

[0010] As a preferred embodiment of the automatic temperature regulation device for a hot air furnace according to this utility model, the top sealing plate and the side wall of the temperature control box are equipped with connecting reinforcing ribs.

[0011] In a preferred embodiment of the automatic temperature control device for a hot air furnace according to this utility model, the width of the sealing plate is consistent with the internal width of the temperature control box.

[0012] As a preferred embodiment of the automatic temperature regulating device for a hot air furnace according to this utility model, the shape of the sealing plate is "L".

[0013] As a preferred embodiment of the automatic temperature regulating device for a hot air furnace according to this utility model, a sealing ring is provided at the connection between the air inlet pipe and the combustion chamber.

[0014] Compared with the prior art, the beneficial effects of this utility model are: the setting of the automatic temperature adjustment device for hot air furnace is reasonably designed;

[0015] 1. The gas circulation structure adopted uses a burner to heat the combustion chamber as a whole and the gas in the combustion box. The temperature is then regulated and the gas output is controlled by a temperature control structure. The heated and unheated gas are proportioned and delivered to ensure the overall temperature control effect.

[0016] 2. By changing the size of the air outlet of the air intake frame through the electric push rod, the amount of cold air delivered can be quickly adjusted, ensuring both the overall accuracy and efficiency of temperature control. Attached Figure Description

[0017] Figure 1 This is a front-view three-dimensional structural schematic diagram of the present invention;

[0018] Figure 2 This is a rear-view three-dimensional structural diagram of the present invention;

[0019] Figure 3 This is a schematic diagram of the main sectional view of the present invention;

[0020] Figure 4 This is a schematic diagram of the structure at point A of this utility model.

[0021] In the diagram: 1. Base plate, 2. Combustion chamber, 3. Combustion chamber, 4. Burner, 5. Inlet pipe, 6. Temperature control chamber, 7. Outlet pipe, 8. Connecting pipe, 9. Control valve, 10. Hose, 11. Electric push rod, 12. Sealing plate, 13. Inlet frame, 14. Top sealing plate, 15. Push rod fixing bracket, 16. Connecting reinforcing rib, 17. Sealing ring. Detailed Implementation

[0022] 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.

[0023] Please see Figure 1-4 This utility model provides a technical solution:

[0024] In this technical solution, an automatic temperature regulation device for a hot air furnace includes a base plate 1 and a combustion chamber 2. The combustion chamber 2 is fixedly installed on the upper end of the base plate 1. A combustion chamber 3 is provided inside the combustion chamber 2. One end of the combustion chamber 3 passes through one side of the combustion chamber 2, and the other end of the combustion chamber 3 is connected to a burner 4. A gas circulation structure is provided on the upper end of the combustion chamber 2. The gas circulation structure includes an inlet pipe 5, a temperature control box 6, and an outlet pipe 7.

[0025] One end of the air inlet pipe 5 is connected to one side of the upper end of the combustion chamber 2, the temperature control chamber 6 is fixedly installed on the other side of the upper end of the combustion chamber 2 and is connected to the combustion chamber 2, and one end of the air outlet pipe 7 is connected to the other end of the temperature control chamber 6.

[0026] In this technical solution, during use, the exhaust pipe 7 and the intake pipe 5 are first connected to the designated equipment, and then the burner 4 is driven to work to heat the combustion chamber 3 as a whole. Subsequently, the air in the combustion box 2 is heated through the outer wall of the combustion chamber 3.

[0027] In some technical solutions, reference Figure 1 A temperature control structure is connected between the air intake pipe 5 and the temperature control box 6. The temperature control structure includes a connecting pipe 8, a control valve 9, a hose 10, an electric push rod 11, a sealing plate 12, an air intake frame 13, and a top sealing plate 14.

[0028] One end of the connecting pipe 8 is connected to one side of the air inlet pipe 5. The control valve 9 is installed on the upper end of the connecting pipe 8. One end of the hose 10 is connected to the connecting pipe 8. The electric push rod 11 is installed on one side wall of the temperature control box 6, and its telescopic end is movably embedded in the side wall of the temperature control box 6. The sealing plate 12 is movably embedded in one side wall of the temperature control box 6 and is connected to the telescopic end of the electric push rod 11. The air inlet frame 13 is fixedly installed on the upper end of the sealing plate 12 and is movably embedded in one side wall of the temperature control box 6. One end of the air inlet frame 13 is connected to the other end of the hose 10. The top sealing plate 14 is fixedly embedded in one side wall of the temperature control box 6 and is located on the upper end of the air inlet frame 13.

[0029] In this technical solution, when the temperature of the delivered air is higher than a specified value, the control valve 9 located at the upper end of the connecting pipe 8 opens, so that the air inlet pipe 5 and the air inlet frame 13 are in a connected state. Then, according to the temperature control requirements, the electric push rod 11 on one side of the temperature control box 6 is operated. The electric push rod 11 drives the sealing plate 12 and the air inlet frame 13 to move. During the adjustment process, the sealing plate 12 adjusts the diameter of the temperature control box 6, changing the delivery volume and wind speed of the hot air. Then, the air inlet frame 13 follows the movement of the sealing plate 12, so that the air outlet of the air inlet frame 13 leaks out at the lower end of the top sealing plate 14. The cold air enters the temperature control box 6 through the air inlet pipe 5, connecting rod, hose 10 and air inlet frame 13, so that the cold air and hot air are mixed in the temperature control box 6, and the gas is rapidly cooled until the gas temperature reaches the specified standard. As the temperature changes, the control system drives the electric push rod 11 to extend and retract accordingly.

[0030] In some technical solutions, reference Figure 1 The electric push rod 11 is connected to the temperature control box 6 by a push rod fixing bracket 15. The top sealing plate 14 is connected to the side wall of the temperature control box 6 by a connecting reinforcing rib 16. The width of the sealing plate 12 is the same as the internal width of the temperature control box 6. The shape of the sealing plate 12 is "L". The air inlet pipe 5 is connected to the combustion box 2 by a sealing ring 17.

[0031] Working principle:

[0032] In use, first connect the outlet pipe 7 and the inlet pipe 5 to the designated equipment, then drive the burner 4 to work and heat the combustion chamber 3 as a whole. Then, the air in the combustion box 2 is heated through the outer wall of the combustion chamber 3. When the temperature of the supplied air is higher than the specified value, the control valve 9 located at the upper end of the connecting pipe 8 opens, so that the inlet pipe 5 is connected to the inlet frame 13. Then, according to the temperature control requirements, operate the electric push rod 11 on one side of the temperature control box 6, which drives the sealing plate 12 and the inlet frame 13 to move. During the adjustment process, the sealing plate 12 adjusts the diameter of the temperature control chamber 6, changing the hot air delivery volume and wind speed. Then, the air intake frame 13 follows the movement of the sealing plate 12, causing the air outlet of the air intake frame 13 to leak out at the lower end of the top sealing plate 14. Cold air enters the temperature control chamber 6 through the air intake pipe 5, connecting rod, hose 10 and air intake frame 13, causing the cold air and hot air to mix in the temperature control chamber 6, rapidly cooling the gas until the gas temperature reaches the specified standard. As the temperature changes, the control system drives the electric push rod 11 to extend and retract accordingly.

[0033] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0034] Although the present invention has been described above with reference to embodiments, various modifications can be made and components can be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the features in the embodiments disclosed in this invention can be combined with each other in any way. The lack of an exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. An automatic temperature regulating device for a hot blast stove, comprising a base plate (1) and a combustion chamber (2), characterized in that, The combustion chamber (2) is fixedly installed on the upper end of the base plate (1). The combustion chamber (2) is provided with a combustion chamber (3). One end of the combustion chamber (3) passes through one side of the combustion chamber (2). The other end of the combustion chamber (3) is connected to a burner (4). The upper end of the combustion chamber (2) is provided with a gas circulation structure. The gas circulation structure includes an air inlet pipe (5), a temperature control chamber (6), and an air outlet pipe (7). One end of the air inlet pipe (5) is connected to one side of the upper end of the combustion chamber (2), the temperature control chamber (6) is fixedly installed on the other side of the upper end of the combustion chamber (2) and is connected to the combustion chamber (2), and one end of the air outlet pipe (7) is connected to the other end of the temperature control chamber (6).

2. The automatic temperature control device for a hot blast stove according to claim 1, characterized in that, A temperature control structure is connected between the air inlet pipe (5) and the temperature control box (6). The temperature control structure includes a connecting pipe (8), a control valve (9), a hose (10), an electric push rod (11), a sealing plate (12), an air inlet frame (13), and a top sealing plate (14). One end of the connecting pipe (8) is connected to one side of the air inlet pipe (5). The control valve (9) is installed on the upper end of the connecting pipe (8). One end of the hose (10) is connected to the connecting pipe (8). The electric push rod (11) is installed on one side wall of the temperature control box (6), and its telescopic end is movably embedded in the side wall of the temperature control box (6). The sealing plate (12) is movably embedded in one side wall of the temperature control box (6) and is connected to the telescopic end of the electric push rod (11). The air inlet frame (13) is fixedly installed on the upper end of the sealing plate (12) and is movably embedded in one side wall of the temperature control box (6). One end of the air inlet frame (13) is connected to the other end of the hose (10). The top sealing plate (14) is fixedly embedded in one side wall of the temperature control box (6) and is located on the upper end of the air inlet frame (13).

3. The automatic temperature control device for a hot blast stove according to claim 2, characterized in that, A push rod fixing bracket (15) is provided at the connection between the electric push rod (11) and the temperature control box (6).

4. The automatic temperature control device for a hot blast stove according to claim 2, characterized in that, The top sealing plate (14) is connected to the side wall of the temperature control box (6) by reinforcing ribs (16).

5. The automatic temperature regulating device for a hot blast stove according to claim 1, characterized in that, The width of the sealing plate (12) is the same as the internal width of the temperature control box (6).

6. The automatic temperature control device for a hot blast stove according to claim 2, characterized in that, The closed plate (12) is L-shaped.

7. The automatic temperature control device for a hot blast stove according to claim 1, characterized in that, A sealing ring (17) is provided at the connection between the air intake pipe (5) and the combustion chamber (2).

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