Cement kiln fan protective net cover convenient to maintain

Abstract

The cement kiln fan protective net cover convenient to maintain comprises a shell, a fan body is fixedly connected to an inner cavity of the shell, a plurality of fixing rods are fixedly connected to the right side of the shell, and a fixing plate making contact with the right side of the shell is slidably connected to the outer surface of the whole fixing rods. A protective net is fixedly connected to an inner cavity of the fixing plate, clamping structures clamped with the fixing plate are fixedly connected to the top and the bottom of the shell correspondingly, and a handle is fixedly connected to the right side of the fixing plate. According to the cement kiln draught fan protective net cover convenient to maintain, the fixing plate and the protective net are fixed to the shell through the clamping structures, the protective net can prevent large impurities from blocking the draught fan body, when disassembly and cleaning are needed, the fixing plate is pulled rightwards to enable the rotary drum body to be separated from the fixing plate, and when reinstallation is carried out, through positioning of the fixing rods, the rotary drum body can be separated from the fixing plate. By means of the overall structure, the cement kiln fan protective net cover convenient to maintain is convenient to disassemble, and use is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of fans, in particular to a protective mesh cover for a cement kiln fan which is easy to maintain. Background Art

[0002] The fan is a machine that relies on input mechanical energy to increase gas pressure and discharge gas. It is a driven fluid machine. During the use of cement kilns, the surrounding environment will be filled with a large amount of dust. A large amount of dust can easily adhere to the protective mesh cover and affect the use of the fan.

[0003] Chinese patent CN213775858U discloses a corrosion-resistant fan protective mesh cover, including a mesh cover body, the mesh cover body including a first protective layer, a second protective layer and a substrate layer, the bottom of the first protective layer is fixedly connected to the second protective layer, the bottom of the second protective layer is fixedly connected to the substrate layer, the first protective layer includes a wear-resistant layer, a first corrosion-resistant layer and a second corrosion-resistant layer, the bottom of the wear-resistant layer is fixedly connected to the first corrosion-resistant layer, the bottom of the first corrosion-resistant layer is fixedly connected to the second corrosion-resistant layer, the second protective layer includes a rust-resistant layer, a high-temperature resistant layer and an antistatic layer, the bottom of the rust-resistant layer is fixedly connected to the high-temperature resistant layer, the bottom of the high-temperature resistant layer is fixedly connected to the antistatic layer, and a nut seat and a locking bolt are provided to lock and fix the mesh cover body.

[0004] From the above-mentioned comparative documents combined with the existing protective mesh covers, it can be seen that most of the existing protective mesh covers are fixed to the fans by bolts. However, the large amount of smoke and dust generated during the operation of the cement kiln will cause impurities to quickly adhere to the surface of the protective mesh cover, requiring frequent disassembly and cleaning to ensure the normal use of the fan. The above-mentioned fixing method results in the need to frequently use disassembly tools to loosen the bolts when disassembling the protective mesh cover, which is rather troublesome. Therefore, a cement kiln fan protective mesh cover that is easy to maintain is proposed to solve the above-mentioned problem. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a cement kiln fan protective mesh cover that is easy to maintain and has the advantages of being easy to maintain, etc., and solves the problem that most of the existing protective mesh covers are fixed to the fan by bolts, but the large amount of smoke and dust generated when the cement kiln is working will cause impurities to quickly adhere to the surface of the protective mesh cover, requiring frequent disassembly and cleaning to ensure the normal use of the fan. The above-mentioned fixing method results in the need to frequently use disassembly tools to loosen the bolts when disassembling the protective mesh cover, which is a rather troublesome problem.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a cement kiln fan protective mesh cover that is easy to maintain, comprising a shell, an inner cavity of the shell is fixedly connected to a fan body, a plurality of fixing rods are fixedly connected to the right side of the shell, the outer surface of the plurality of fixing rods is slidably connected to a fixing plate that contacts the right side of the shell, a protective net is fixedly connected to the inner cavity of the fixing plate, the top and bottom of the shell are fixedly connected to a clamping structure that is clamped to the fixing plate, and a handle is fixedly connected to the right side of the fixing plate.

[0007] The clamping structure includes a mounting plate fixedly connected to a corresponding side of the outer surface of the shell body, a telescopic rod is fixedly connected to the opposite sides of the two mounting plates, a connecting plate is fixedly connected to the side of the telescopic rod away from the mounting plate, a compression spring sleeved on the outer surface of the telescopic rod is fixedly connected between the connecting plate and the mounting plate, two rotating drum frames are fixedly connected to the opposite sides of the two connecting plates, and a rotating drum body clamped to the fixed plate is rotatably connected between the two rotating drum frames.

[0008] The utility model adopts the above technical scheme, and fixes the fixing plate and the protective net to the shell through the clamping structure. The protective net can prevent larger impurities from clogging the fan body. When disassembly and cleaning is required, the fixing plate can be pulled to the right to separate the drum body from the fixing plate. When reinstalling, the fixing plate can be squeezed to the left through the positioning of the fixing rod. The overall structure realizes the purpose of easy maintenance of the cement kiln fan protective net cover, and is easy to use.

[0009] Furthermore, the telescopic rod comprises a hollow rod fixedly connected to the mounting plate, and a solid rod slidably connected to the inner cavity of the hollow rod is fixedly connected to one side of the connecting plate close to the mounting plate.

[0010] The beneficial effect of adopting the above further solution is that the telescopic rod has a limiting effect on the connecting plate, thereby reducing the possibility of bending deformation of the compression spring and improving the stability of the overall structure.

[0011] Furthermore, a groove is provided at the top and the bottom of the fixing plate, the groove is matched with the drum body, the longitudinal section of the groove is arc-shaped, and a chamfer is provided at the left side of the fixing plate.

[0012] The beneficial effect of adopting the above further solution is that it is easier to change the direction of the force when the arc-shaped groove body and the drum body are squeezed.

[0013] Furthermore, the top and the bottom of the shell are both fixedly connected to limit rods, and the connecting plate is slidably connected to the outer surface of the corresponding limit rod.

[0014] The beneficial effect of adopting the above further solution is that the connection plate 63 is limited by the limiting rod, thereby further improving the stability of the overall structure.

[0015] Furthermore, a mounting hole adapted to the fixing rod is provided in the inner cavity of the fixing plate, and a sealing gasket in close contact with the shell is fixedly connected to the left side of the fixing plate.

[0016] The beneficial effect of adopting the above further solution is that the fixing rod and the mounting hole play a role in positioning the installation of the fixing plate, and at the same time play a role in bearing the fixing plate.

[0017] Furthermore, the shell includes a base layer, the fan body is fixedly connected to the inner cavity of the base layer, the outer surface of the base layer is fixedly connected to a high temperature resistant layer, and the outer surface of the high temperature resistant layer is fixedly connected to a corrosion resistant layer.

[0018] The beneficial effect of adopting the above further scheme is that the high temperature resistance of the cement kiln is improved by the high temperature resistant layer, and the corrosion resistance of the cement kiln is improved by the corrosion resistant layer.

[0019] Furthermore, the corrosion-resistant layer is a nickel-manganese alloy layer, and the high-temperature-resistant layer is a nickel-chromium alloy layer.

[0020] The beneficial effect of adopting the above further scheme is that nickel-chromium alloy and heat-resistant alloy have good heat resistance and are suitable for the high temperature environment of cement kilns. Nickel-manganese alloy has good acid resistance, and the flue gas of cement kilns contains more sulfide acid gas, and the service life is increased by the corrosion-resistant layer.

[0021] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0022] 1. The cement kiln fan protective mesh cover which is easy to maintain fixes the fixing plate and the protective mesh to the shell through a snap-on structure. The protective mesh can prevent larger impurities from clogging the fan body. When it needs to be disassembled and cleaned, the fixing plate is pulled to the right to separate the drum body from the fixing plate. When reinstalling, the fixing plate is squeezed to the left through the positioning of the fixing rod. The overall structure realizes the purpose of easy maintenance of the cement kiln fan protective mesh cover, which is easy to use.

[0023] 2. The easy-to-maintain cement kiln fan protective mesh cover reduces the possibility of the high temperature environment of the cement kiln affecting the use of the fan body by setting a high-temperature resistant layer, and improves the corrosion resistance of the shell by using a corrosion-resistant layer. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the structure of the utility model;

[0025] Figure 2 It is a structural schematic diagram of the clamping structure of the utility model;

[0026] Figure 3It is a left-side structural schematic diagram of the housing of the utility model.

[0027] In the figure: 1 shell, 11 base layer, 12 high temperature resistant layer, 13 corrosion resistant layer, 2 fan body, 3 fixing rod, 4 fixing plate, 41 slot body, 42 mounting hole, 43 sealing gasket, 5 protection net, 6 clamping structure, 61 mounting plate, 62 telescopic rod, 63 connecting plate, 64 compression spring, 65 drum frame, 66 drum body, 67 limit rod, 7 handle. DETAILED DESCRIPTION

[0028] 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.

[0029] Example 1: Please refer to Figure 1 and Figure 2 In this embodiment, a cement kiln fan protective mesh cover that is easy to maintain includes a shell 1, the inner cavity of the shell 1 is fixedly connected with a fan body 2, the right side of the shell 1 is fixedly connected with a plurality of fixing rods 3, the outer surface of the plurality of fixing rods 3 as a whole is slidably connected with a fixing plate 4 that contacts the right side of the shell 1, and the inner cavity of the fixing plate 4 is provided with a mounting hole 42 that matches the fixing rod 3; the setting of the fixing rod 3 and the mounting hole 42 plays a positioning role for the installation of the fixing plate 4, and also plays a role in supporting the fixing plate 4. The left side of the fixing plate 4 is fixedly connected with a sealing gasket 43 that is in close contact with the shell 1; the setting of the sealing gasket 43 is used to increase the sealing between the fixing plate 4 and the shell 1.

[0030] The inner cavity of the fixed plate 4 is fixedly connected with a protective net 5. When the fan body 2 is started, the airflow moves to the left and intercepts larger impurities in the air through the protective net 5. The top and bottom of the shell 1 are fixedly connected with a clamping structure 6 that is clamped with the fixed plate 4, and the right side of the fixed plate 4 is fixedly connected with a handle 7.

[0031] The clamping structure 6 includes a mounting plate 61 fixedly connected to a side corresponding to the outer surface of the shell 1, and the two mounting plates 61 are fixedly connected to the opposite sides of the telescopic rod 62, and the side of the telescopic rod 62 away from the mounting plate 61 is fixedly connected to a connecting plate 63, and a compression spring 64 sleeved on the outer surface of the telescopic rod 62 is fixedly connected between the connecting plate 63 and the mounting plate 61; the telescopic rod 62 includes a hollow rod fixedly connected to the mounting plate 61, and the side of the connecting plate 63 close to the mounting plate 61 is fixedly connected to a solid rod slidably connected to the inner cavity of the hollow rod; the setting of the telescopic rod 62 has a limiting effect on the connecting plate 63, thereby reducing the possibility of bending and deformation of the compression spring 64, and improving the stability of the overall structure.

[0032] Two drum racks 65 are fixedly connected to the opposite sides of the two connecting plates 63. A drum body 66 that is clamped with the fixed plate 4 is rotatably connected between the two drum racks 65. A slot body 41 is provided at the top and bottom of the fixed plate 4. The slot body 41 is adapted to the drum body 66. The longitudinal section of the slot body 41 is arc-shaped. It is easier to change the direction of the force when the arc-shaped slot body 41 is squeezed with the drum body 66. At the same time, with the elastic force of the compression spring 64, when the drum body 66 is located in the slot body 41, it can remain stable without human power. The left side of the fixed plate 4 is provided with a chamfer. The top and bottom of the housing 1 are fixedly connected to the limit rod 67. The connecting plate 63 is slidably connected to the outer surface of the corresponding limit rod 67. The limit rod 67 further improves the stability of the overall structure by limiting the connecting plate 63.

[0033] In this embodiment, when the protective net 5 needs to be installed, the fixing plate 4 is moved to the left through the positioning of the fixing rod 3. During the squeezing of the fixing plate 4 and the drum body 66, the compression spring 64 is stretched until the drum body 66 moves into the groove 41 under the elastic action of the compression spring 64. When disassembling, it is only necessary to pull the fixing plate 4 to the right through the handle 7. Both installation and disassembly are relatively convenient and no tools are required.

[0034] Example 2: Please refer to Figure 1 and Figure 3 The shell 1 in this embodiment includes a base layer 11, and the fan body 2 is fixedly connected to the inner cavity of the base layer 11. The outer surface of the base layer 11 is fixedly connected with a high-temperature resistant layer 12, and the high-temperature resistant layer 12 is a nickel-chromium alloy layer. Nickel-chromium alloy and heat-resistant alloy have good heat resistance and are adapted to the high temperature environment of the cement kiln; the outer surface of the high-temperature resistant layer 12 is fixedly connected with a corrosion-resistant layer 13, and the corrosion-resistant layer 13 is a nickel-manganese alloy layer. The nickel-manganese alloy has good acid resistance, and the flue gas of the cement kiln contains more sulfide acid gas. The corrosion-resistant layer 13 is used to increase the service life.

[0035] The working principle of the above embodiment is:

[0036] The protective net 5 is used to intercept larger impurities in the air, reducing the possibility of impurities getting stuck in the fan body 2. When it is necessary to clean the impurities on the surface of the protective net 5, hold the handle 7 and pull the fixing plate 4 to the right. The inner wall of the groove body 41 is squeezed with the drum body 66, so that the drum body 66 moves to the side away from the fixing plate 4, and the fixing plate 4 and the protective net 5 can be removed for cleaning; when reinstalling, it is positioned by the fixing rod 3, and the fixing plate 4 is pressed to the left. The chamfer on the left side of the fixing plate 4 is squeezed with the drum body 66, so that the two drum bodies 66 move away from each other, and the compression spring 64 is stretched. When the fixing plate 4 is tightly squeezed with the shell 1 through the sealing gasket 43, the elastic reset action of the compression spring 64 makes the drum body 66 located in the groove, so that the fixing plate 4 remains fixed. The overall structure realizes the purpose of easy disassembly of the cement kiln fan protective net cover that is easy to maintain, and it is easy to use.

[0037] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A cement kiln fan protective screen cover that is easy to maintain, comprising a housing (1), characterized in that: The inner cavity of the shell (1) is fixedly connected to a fan body (2); the right side of the shell (1) is fixedly connected to a plurality of fixing rods (3); the outer surface of the plurality of fixing rods (3) as a whole is slidably connected to a fixing plate (4) in contact with the right side of the shell (1); the inner cavity of the fixing plate (4) is fixedly connected to a protective net (5); the top and bottom of the shell (1) are fixedly connected to a clamping structure (6) clamped to the fixing plate (4); and the right side of the fixing plate (4) is fixedly connected to a handle (7); The clamping structure (6) comprises a mounting plate (61) fixedly connected to a side corresponding to the outer surface of the shell (1); the two mounting plates (61) are fixedly connected to a telescopic rod (62) on the opposite side; the telescopic rod (62) is fixedly connected to a connecting plate (63) on the side away from the mounting plate (61); a compression spring (64) sleeved on the outer surface of the telescopic rod (62) is fixedly connected between the connecting plate (63) and the mounting plate (61); two rotating drum frames (65) are fixedly connected to the opposite sides of the two connecting plates (63); and a rotating drum body (66) clamped to the fixed plate (4) is rotatably connected between the two rotating drum frames (65).

2. The cement kiln fan protective screen that is easy to maintain according to claim 1 is characterized by: The telescopic rod (62) comprises a hollow rod fixedly connected to the mounting plate (61); a solid rod slidably connected to the inner cavity of the hollow rod is fixedly connected to one side of the connecting plate (63) close to the mounting plate (61).

3. The cement kiln fan protective screen that is easy to maintain according to claim 1 is characterized by: The top and bottom of the fixing plate (4) are both provided with grooves (41), the grooves (41) are adapted to the drum body (66), the longitudinal section of the grooves (41) is arc-shaped, and the left side of the fixing plate (4) is provided with a chamfer.

4. The cement kiln fan protective screen that is easy to maintain according to claim 1 is characterized by: The top and bottom of the housing (1) are both fixedly connected to a limiting rod (67), and the connecting plate (63) is slidably connected to the outer surface of the corresponding limiting rod (67).

5. The cement kiln fan protective screen that is easy to maintain according to claim 1 is characterized by: The inner cavity of the fixing plate (4) is provided with a mounting hole (42) adapted to the fixing rod (3), and the left side of the fixing plate (4) is fixedly connected with a sealing gasket (43) in close contact with the housing (1).

6. The cement kiln fan protective screen that is easy to maintain according to claim 1 is characterized by: The shell (1) comprises a base layer (11), the fan body (2) is fixedly connected to the inner cavity of the base layer (11), the outer surface of the base layer (11) is fixedly connected to a high temperature resistant layer (12), and the outer surface of the high temperature resistant layer (12) is fixedly connected to a corrosion resistant layer (13).

7. The cement kiln fan protective screen that is easy to maintain according to claim 6 is characterized by: The corrosion-resistant layer (13) is a nickel-manganese alloy layer, and the high-temperature-resistant layer (12) is a nickel-chromium alloy layer.

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