Air blowing and shifting fan

Abstract

The utility model relates to the technical field of air blowers, in particular to an air blowing and shifting fan. According to the technical scheme, the device comprises a main air pipe, a connecting pipe, a fixing block and a connecting rod, a communicating pipe is inserted into the outer wall of one side of the main air pipe, a baffle is rotationally installed on one side of the inner wall of the communicating pipe, the connecting pipe is inserted into one side of the lower end of the inner wall of the communicating pipe, and a fixing plate is installed on one side of the inner wall of the connecting pipe; a connecting rod is movably installed in the fixing plate, a connecting block is installed on one side of the lower end of the inner wall of the connecting pipe, a limiting block is installed on the outer wall of the upper end of the connecting rod, by arranging a baffle, the connecting rod and a plug, the effect of detecting the working state of the butterfly valve is achieved, and whether the butterfly valve body is normally opened or not can be known.

Description

Technical Field

[0001] The utility model relates to the technical field of blowers, in particular to an air blasting and displacing fan. Background Art

[0002] During the blast furnace production process, the blast furnace blower unit needs to blow air into the blast furnace continuously. In order to prevent blast failure, the exhaust position needs to be adjusted through the air distribution structure to ensure the air pressure of the cold air inside the air duct. The controlled air flow is usually controlled by a butterfly valve to reduce the equipment failure rate.

[0003] Although the prior art has many benefits during use, it still has the following problems: it lacks a detection structure for the control valve. Since the air-displacing structure is not used frequently, the butterfly valve is prone to aging over time, which results in the staff being unable to understand the status of the control valve. Utility Model Content

[0004] The utility model aims to provide an air blowing and air displacing fan to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a blast and air-displacing fan, comprising a main air duct, a connecting pipe, a fixed block and a connecting rod, a connecting pipe is plugged and installed on the outer wall of one side of the main air duct, a baffle is rotatably installed on one side of the inner wall of the connecting pipe, a connecting pipe is plugged and installed on one side of the lower end of the inner wall of the connecting pipe, a fixed plate is installed on one side of the inner wall of the connecting pipe, a connecting rod is movably installed inside the fixed plate, a connecting block is installed on one side of the lower end of the inner wall of the connecting pipe, and a limiting block is installed on the outer wall of the upper end of the connecting rod.

[0006] When using a blower and air distributor in the technical solution, the staff manually turns the handle to drive the baffle to rotate in a circle until the sealing gasket contacts the outer wall of the fixed block. The baffle and the fixed block achieve the purpose of shielding the connecting pipe to prevent the gas inside the main air duct from entering the connecting pipe. The external controller controls the butterfly valve body to open, and the external air pump is connected to the connecting pipe at one end, so that gas is filled into the connecting pipe through the connecting pipe. The gas passes through the butterfly valve body and is discharged from the connecting pipe at the other end. The staff can know that the butterfly valve body is normally opened by detecting the discharge amount of the airflow from the connecting pipe at the other end.

[0007] Preferably, the connecting pipe is designed in a rectangular shape, and a butterfly valve body is installed on the outer wall of the connecting pipe. The main air ducts are connected through the connecting pipe, and the butterfly valve body can control the controlled connection of the connecting pipe.

[0008] Preferably, the baffle plate passes through the outer wall of one end of the connecting pipe and is provided with a handle, and the handle is located outside the connecting pipe. The staff can drive the baffle plate to rotate in a circle through the handle.

[0009] Preferably, a fixing block is installed on one side of the inner wall of the connecting pipe, and the interior of the fixing block is hollow. The fixing block limits the rotation angle of the baffle.

[0010] Preferably, sealing gaskets are fixedly attached to the outer walls of both sides of the baffle, and the sealing gaskets are in contact with the outer wall of the fixing block. The sealing gaskets can ensure the sealing between the baffle and the fixing block or the connecting pipe.

[0011] Preferably, a plug is installed on the outer wall of the lower end of the connecting rod, and the plug is located at the lower end of the connecting block. The plug and the connecting block can block the connecting pipe.

[0012] Preferably, a spring is provided on the outer wall of the lower end of the limit block, and the limit block is elastically connected to the fixing plate through the spring. The spring force ensures the relative position stability of the connecting rod.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model achieves the effect of detecting the working status of the butterfly valve by setting a baffle, a connecting rod and a plug. The staff manually turns the handle to drive the baffle to rotate in a circle until the sealing gasket contacts the outer wall of the fixed block. The baffle and the fixed block achieve the purpose of shielding the connecting pipe to prevent the gas inside the main air duct from entering the connecting pipe. The external controller controls the opening of the butterfly valve body. The external air pump is connected to the connecting pipe at one end, so that gas is filled into the connecting pipe through the connecting pipe. The gas passes through the butterfly valve body and is discharged from the connecting pipe at the other end. The staff can know that the butterfly valve body is normally opened by detecting the discharge amount of the airflow from the connecting pipe at the other end, thereby achieving the purpose of detecting the working status of the butterfly valve body. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the appearance of the main air duct structure of the utility model;

[0015] Figure 2 It is a cross-sectional schematic diagram of the connecting pipe structure of the utility model;

[0016] Figure 3 It is a partial enlarged schematic diagram of the baffle structure of the utility model;

[0017] Figure 4 It is a schematic cross-sectional view of the connecting pipe structure of the utility model.

[0018] In the figure: 1. main air duct; 11. connecting pipe; 12. butterfly valve body; 13. fixing block; 14. baffle; 15. sealing gasket; 2. connecting pipe; 21. connecting block; 22. fixing plate; 23. connecting rod; 24. plug; 25. limit block; 26. spring. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-Figure 4 , the utility model provides two embodiments:

[0021] Embodiment 1: A blast fan comprises a main air duct 1, a connecting pipe 2, a fixing block 13 and a connecting rod 23. A connecting pipe 11 is plugged and installed on the outer wall of one side of the main air duct 1, a baffle 14 is rotatably installed on one side of the inner wall of the connecting pipe 11, a connecting pipe 2 is plugged and installed on one side of the lower end of the inner wall of the connecting pipe 11, a fixing plate 22 is installed on one side of the inner wall of the connecting pipe 2, a connecting rod 23 is movably installed inside the fixing plate 22, a connecting block 21 is installed on one side of the lower end of the inner wall of the connecting pipe 2, and a limiting block 25 is installed on the outer wall of the upper end of the connecting rod 23.

[0022] The connecting pipe 11 is designed in a rectangular shape, and a butterfly valve body 12 is installed on the outer wall of the connecting pipe 11. The main air ducts 1 are connected through the connecting pipe 11, and the butterfly valve body 12 can control the controlled connection of the connecting pipe 11, thereby realizing the connection between the main air ducts 1.

[0023] Embodiment 2: A blower and air-dispersing fan comprises a main air duct 1, a connecting pipe 2, a fixing block 13 and a connecting rod 23. A connecting pipe 11 is plugged and installed on the outer wall of one side of the main air duct 1, a baffle 14 is rotatably installed on one side of the inner wall of the connecting pipe 11, a connecting pipe 2 is plugged and installed on one side of the lower end of the inner wall of the connecting pipe 11, a fixing plate 22 is installed on one side of the inner wall of the connecting pipe 2, a connecting rod 23 is movably installed inside the fixing plate 22, a connecting block 21 is installed on one side of the lower end of the inner wall of the connecting pipe 2, and a limiting block 25 is installed on the outer wall of the upper end of the connecting rod 23.

[0024] The connecting pipe 11 is designed in a rectangular shape, and a butterfly valve body 12 is installed on the outer wall of the connecting pipe 11. The main air ducts 1 are connected through the connecting pipe 11, and the butterfly valve body 12 can control the controlled connection of the connecting pipe 11.

[0025] The baffle 14 passes through the outer wall of one end of the connecting pipe 11 and is provided with a handle, and the handle is located outside the connecting pipe 11. The staff can drive the baffle 14 to rotate in a circle through the handle.

[0026] A fixing block 13 is installed on one side of the inner wall of the connecting pipe 11 , and the interior of the fixing block 13 is hollow. The fixing block 13 limits the rotation angle of the baffle 14 .

[0027] The outer walls of both sides of the baffle 14 are fitted with sealing gaskets 15, which are in contact with the outer wall of the fixing block 13. The baffle 14 can ensure the sealing between the fixing block 13 or the connecting pipe 11 through the sealing gasket 15, ensuring that the connecting pipe 11 is in controlled communication with the external gas.

[0028] A plug 24 is installed on the outer wall of the lower end of the connecting rod 23, and the plug 24 is located at the lower end of the connecting block 21. The plug 24 and the connecting block 21 can block the connecting pipe 2.

[0029] A spring 26 is provided on the outer wall of the lower end of the limit block 25, and the limit block 25 is elastically connected to the fixing plate 22 through the spring 26. The elastic force of the spring 26 ensures the relative position stability of the connecting rod 23. The staff manually turns the handle to drive the baffle 14 to rotate in a circle until the sealing gasket 15 contacts the outer wall of the fixing block 13. The baffle 14 and the fixing block 13 achieve the purpose of shielding the connecting pipe 11, preventing the gas inside the main air duct 1 from entering the inside of the connecting pipe 11, and the external controller controls the butterfly valve body 12 to open. The external air pump is connected to the connecting pipe 2 at one end, so that the connecting pipe 11 is filled with gas through the connecting pipe 2, and the gas passes through the butterfly valve body 12 and is discharged from the connecting pipe 2 at the other end. The staff can know that the butterfly valve body 12 is normally opened by detecting the discharge amount of the airflow of the connecting pipe 2 at the other end, thereby achieving the purpose of detecting the working state of the butterfly valve body 12.

[0030] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A blast fan, comprising a main air duct (1), a connecting pipe (2), a fixing block (13) and a connecting rod (23), characterized in that: A connecting pipe (11) is plugged and installed on the outer wall of one side of the main air duct (1), a baffle (14) is rotatably installed on one side of the inner wall of the connecting pipe (11), a connecting pipe (2) is plugged and installed on one side of the lower end of the inner wall of the connecting pipe (11), a fixing plate (22) is installed on one side of the inner wall of the connecting pipe (2), a connecting rod (23) is movably installed inside the fixing plate (22), a connecting block (21) is installed on one side of the lower end of the inner wall of the connecting pipe (2), and a limiting block (25) is installed on the outer wall of the upper end of the connecting rod (23).

2. The air blowing and air dispersing fan according to claim 1, characterized in that: The connecting pipe (11) is designed in a rectangular shape, and a butterfly valve body (12) is installed on the outer wall of the connecting pipe (11).

3. The air blowing and air dispersing fan according to claim 1, characterized in that: The baffle (14) passes through the outer wall of one end of the connecting pipe (11) and is provided with a handle, and the handle is located outside the connecting pipe (11).

4. The air blowing and air dispersing fan according to claim 1, characterized in that: A fixing block (13) is installed on one side of the inner wall of the connecting pipe (11), and the interior of the fixing block (13) is hollow.

5. The air blowing and air dispersing fan according to claim 1, characterized in that: Sealing pads (15) are fitted and fixed to the outer walls on both sides of the baffle (14), and the sealing pads (15) are in contact with the outer wall of the fixing block (13).

6. The air blowing and air dispersing fan according to claim 1, characterized in that: A plug (24) is installed on the outer wall of the lower end of the connecting rod (23), and the plug (24) is located at the lower end of the connecting block (21).

7. The air blowing and air dispersing fan according to claim 1, characterized in that: A spring (26) is provided on the outer wall of the lower end of the limit block (25), and the limit block (25) is elastically connected to the fixing plate (22) via the spring (26).

Images