Kiln variable frequency motor

By installing the filter box and shell on the cement kiln frequency conversion motor and cooling it with water pump and copper pipe system, the problem of reducing heat dissipation performance caused by dust particles is solved and the service life is extended.

CN222508946UActive Publication Date: 2025-02-18ANHUI CONCH CEMENT CO LTD NINGGUO CEMENT FACTORY
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Patent Information

Application Number
CN202420970649.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-07
Publication Date
2025-02-18
Estimated Expiration
2034-05-07

AI Technical Summary

Technical Problem

Dust particles in the cement kiln production line adhere to the surface of the variable frequency motor, resulting in a reduced heat dissipation performance and affecting service life.

Method used

A kiln frequency conversion motor is designed. By installing a filter box and a shell on the frequency conversion motor, the filter box is used to prevent dust contact, the shell is used to conduct heat and dissipate heat, and is cooled through a water pump and a copper pipe system.

Benefits of technology

It effectively prevents the impact of dust on the variable frequency motor, improves the heat dissipation performance, and extends the service life.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of cement kilns, in particular to a variable frequency motor for a kiln. According to the technical scheme, the cement kiln comprises a base, a cement kiln body, a base and a variable frequency motor body, wherein a rotary gear ring is mounted on the cement kiln body; a carrier roller is mounted on the top end face of the base through a mounting frame, and the carrier roller supports the cement kiln body. A variable frequency motor body is installed on the top end face of the base, an output gear is arranged on an output shaft of the variable frequency motor body, and the output gear is in meshing transmission with the rotary gear ring. A filter screen box is sleeved with the base, a water tank is welded to the front end face of the filter screen box, and a water pump is installed in the water tank; the variable frequency motor body is sleeved with a shell, a copper pipe is welded to the shell, a bolt is installed in the base through a thread, and the bolt is installed on the base through a thread. The utility model meets the use of the variable frequency motor of the kiln, prevents external dust from influencing the motor during use, and prevents overheating from influencing the use.
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Description

Technical Field

[0001] The utility model relates to the technical field of cement kilns, in particular to a kiln variable frequency motor. Background Art

[0002] Cement rotary kiln is the main equipment of cement clinker dry process and wet process production line. Rotary kiln is widely used in metallurgy, chemical industry, building refractory materials, environmental protection and other industries. Rotary kiln consists of cylinder, supporting device, supporting device with retaining wheel, transmission device, movable kiln head, compound stone crusher, kiln tail sealing device, coal injection pipe device and other components.

[0003] The driving part of the cement rotary kiln is mostly driven by a variable frequency motor. However, the dust particles on the cement kiln production line are large, and these dust particles adhere to the surface of the motor, which will reduce the heat dissipation performance of the motor and thus affect its service life. Therefore, it needs to be improved during driving. Utility Model Content

[0004] The purpose of the utility model is to provide a kiln variable frequency motor to solve the problems raised in the above background technology.

[0005] To achieve the above purpose, the utility model provides the following technical solutions: a kiln variable frequency motor, comprising a base, a cement kiln body, a pedestal and a variable frequency motor body,

[0006] A rotary gear ring is installed on the cement kiln body;

[0007] The top surface of the base is provided with a roller via a mounting frame, and the roller supports the cement kiln body;

[0008] The top surface of the base is provided with a variable frequency motor body, the output shaft of the variable frequency motor body is provided with an output gear, and the output gear is meshed with the rotating gear ring for transmission;

[0009] A filter box is sleeved in the base, and a water tank is welded to the front end surface of the filter box, and a water pump is installed in the water tank;

[0010] A shell is sleeved on the frequency conversion motor body, and a copper tube is welded on the shell.

[0011] Preferably, a bolt is threadedly installed in the base, and the bolt is threadedly installed on the base. The frequency conversion motor body is installed on the base by threading the bolt on the base.

[0012] Preferably, the top surface of the shell is welded with a second limiting rod, the first limiting rod is slidably sleeved inside the second limiting rod, and the top surface of the first limiting rod is welded inside the filter box. By slidingly sleeved inside the second limiting rod, the shell is connected to the filter box through the second limiting rod and the first limiting rod, so that the shell can be installed and limited.

[0013] Preferably, a screw is installed on the top surface of the filter box through a thread, and the screw limits the housing. The housing is limited by the screw, so that after the housing is installed and limited, a person can rotate the screw downward to squeeze and limit the housing, so that the housing fits on the variable frequency motor body.

[0014] Preferably, the water pump is provided with a water inlet pipe, and one end of the water inlet pipe facing away from the water pump is embedded and fixed in the housing. By embedding and fixing one end of the water inlet pipe facing away from the water pump in the housing, a person can open the water pump to extract cooling water from the water tank and inject it into the housing.

[0015] Preferably, a return pipe is embedded and fixed on the shell, and one end of the return pipe facing away from the shell is embedded and fixed in the water tank. By embedding and fixing one end of the return pipe facing away from the shell in the water tank, the cooling water entering the shell can be refluxed and reused.

[0016] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0017] 1. The utility model provides a filter box. When personnel use the cement kiln body, they can open the frequency conversion motor body to drive the output gear to rotate, and the rotating gear ring can drive the rotating gear ring to rotate. When rotating, the filter box is sleeved on the frequency conversion motor body to prevent dust from the external kiln body from directly contacting the frequency conversion motor body and affecting the use.

[0018] 2. The utility model sets a shell, and when personnel use the variable frequency motor body, the shell is limited by a screw, so that after the shell is installed and limited, the personnel can rotate the screw to move downward to squeeze and limit the shell, so that the shell fits on the variable frequency motor body, so that the heat of the variable frequency motor body during use can be transferred to the shell for preliminary heat conduction and heat dissipation through the copper tube, and the end of the water inlet pipe away from the water pump is embedded and fixed in the shell, so that the personnel can turn on the water pump to draw cooling water in the water tank and inject it into the shell, so that the water enters the shell to flow and cool the variable frequency motor body to prevent the use from being affected by excessive temperature. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the main internal structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the main appearance structure of the utility model;

[0021] Figure 3 It is a schematic diagram of the side structure of the filter box of the utility model.

[0022] In the figure: 1. roller; 2. base; 3. cement kiln body; 4. output gear; 5. pedestal; 6. frequency conversion motor body; 7. housing; 8. bolt; 9. filter box; 10. copper tube; 11. limit rod 1; 12. screw rod; 13. limit rod 2; 14. rotating gear ring; 15. mounting frame; 16. return pipe; 17. water tank; 18. water pump; 19. water inlet pipe. DETAILED DESCRIPTION

[0023] 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.

[0024] Embodiment 1

[0025] like Figure 1-3 As shown, a kiln variable frequency motor proposed by the utility model comprises a base 2, a cement kiln body 3, a pedestal 5 and a variable frequency motor body 6.

[0026] A rotary gear ring 14 is installed on the cement kiln body 3;

[0027] The top surface of the base 2 is provided with a roller 1 via a mounting frame 15, and the roller 1 supports the cement kiln body 3;

[0028] The top surface of the base 5 is provided with a variable frequency motor body 6, and an output gear 4 is provided on the output shaft of the variable frequency motor body 6, and the output gear 4 is meshed with the rotating gear ring 14 for transmission;

[0029] A filter box 9 is sleeved in the base 5, and a water tank 17 is welded to the front end surface of the filter box 9, and a water pump 18 is installed in the water tank 17;

[0030] A housing 7 is sleeved on the frequency conversion motor body 6 , and a copper tube 10 is welded on the housing 7 .

[0031] A bolt 8 is threadedly installed in the base 5 , and the bolt 8 is threadedly installed on the base 2 . The variable frequency motor body 6 is installed on the base 2 by threading the bolt 8 on the base 2 .

[0032] The top end surface of the shell 7 is welded with a limiting rod 2 13, and the limiting rod 1 1 is slidably sleeved inside the limiting rod 2 13, and the top end surface of the limiting rod 1 11 is welded in the filter box 9. The limiting rod 11 is slidably sleeved inside the limiting rod 2 13, so that the shell 7 is connected to the filter box 9 through the limiting rod 2 13 and the limiting rod 1 11, so that the shell 7 can be installed and limited.

[0033] Based on Example 1: When personnel are using the cement kiln body 3, they can open the frequency conversion motor body 6 to drive the output gear 4 to rotate, and the rotating ring gear 14 can drive the rotating ring gear 14 to rotate. During rotation, the filter box 9 is sleeved on the frequency conversion motor body 6 to prevent dust from the external kiln body from directly contacting the frequency conversion motor body 6 and affecting its use.

[0034] Embodiment 2

[0035] like Figure 1-3 As shown, the utility model proposes a kiln variable frequency motor. Compared with the first embodiment, this embodiment further includes: a base 2, a cement kiln body 3, a base 5 and a variable frequency motor body 6.

[0036] A rotary gear ring 14 is installed on the cement kiln body 3;

[0037] The top surface of the base 2 is provided with a roller 1 via a mounting frame 15, and the roller 1 supports the cement kiln body 3;

[0038] The top surface of the base 5 is provided with a variable frequency motor body 6, and an output gear 4 is provided on the output shaft of the variable frequency motor body 6, and the output gear 4 is meshed with the rotating gear ring 14 for transmission;

[0039] A filter box 9 is sleeved in the base 5, and a water tank 17 is welded to the front end surface of the filter box 9, and a water pump 18 is installed in the water tank 17;

[0040] A housing 7 is sleeved on the frequency conversion motor body 6 , and a copper tube 10 is welded on the housing 7 .

[0041] The top surface of the filter box 9 is threadedly installed with a screw 12, and the screw 12 limits the shell 7. The shell 7 is limited by the screw 12, so that after the shell 7 is installed and limited, a person can rotate the screw 12 to spirally move downward to squeeze and limit the shell 7, so that the shell 7 fits on the frequency conversion motor body 6.

[0042] An inlet pipe 19 is installed on the water pump 18, and one end of the inlet pipe 19 facing away from the water pump 18 is embedded and fixed in the shell 7. Through the end of the inlet pipe 19 facing away from the water pump 18 being embedded and fixed in the shell 7, personnel can open the water pump 18 to extract cooling water in the water tank 17 and inject it into the shell 7.

[0043] A return pipe 16 is embedded and fixed on the shell 7, and the end of the return pipe 16 facing away from the shell 7 is embedded and fixed in the water tank 17. By embedding and fixing the end of the return pipe 16 facing away from the shell 7 in the water tank 17, the cooling water entering the shell 7 can be refluxed and reused.

[0044] Based on Example 2: When personnel use the variable frequency motor body 6, the shell 7 is limited by the screw 12, so that after the shell 7 is installed and limited, the personnel can rotate the screw 12 to spirally move downward to squeeze and limit the shell 7, so that the shell 7 fits on the variable frequency motor body 6, so that the heat of the variable frequency motor body 6 during use can be conducted to the shell 7 through the copper tube 10 for preliminary heat conduction and heat dissipation, and the end of the water inlet pipe 19 facing away from the water pump 18 is embedded and fixed in the shell 7, so that the personnel can turn on the water pump 18 to extract the cooling water in the water tank 17 and inject it into the shell 7, so that the water enters the shell 7 to flow and cool the variable frequency motor body 6.

[0045] 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 kiln variable frequency motor, comprising a base (2), a cement kiln body (3), a pedestal (5) and a variable frequency motor body (6), characterized in that: A rotary gear ring (14) is installed on the cement kiln body (3); A roller (1) is mounted on the top surface of the base (2) via a mounting frame (15), and the roller (1) supports the cement kiln body (3); A variable frequency motor body (6) is installed on the top surface of the base (5), an output gear (4) is arranged on the output shaft of the variable frequency motor body (6), and the output gear (4) is meshed with a rotating gear ring (14) for transmission; A filter box (9) is sleeved in the base (5), and a water tank (17) is welded to the front end surface of the filter box (9), and a water pump (18) is installed in the water tank (17); A shell (7) is sleeved on the variable frequency motor body (6), and a copper tube (10) is welded on the shell (7).

2. A kiln variable frequency motor according to claim 1, characterized in that: A bolt (8) is threadedly installed in the base (5), and the bolt (8) is threadedly installed on the base (2).

3. The kiln variable frequency motor according to claim 1, characterized in that: The top end surface of the shell (7) is welded with a second limiting rod (13), the second limiting rod (13) is slidably sleeved with the first limiting rod (11), and the top end surface of the first limiting rod (11) is welded inside the filter box (9).

4. The kiln variable frequency motor according to claim 1, characterized in that: A screw rod (12) is threadedly mounted on the top surface of the filter box (9), and the screw rod (12) limits the position of the housing (7).

5. The kiln variable frequency motor according to claim 1, characterized in that: A water inlet pipe (19) is installed on the water pump (18), and one end of the water inlet pipe (19) facing away from the water pump (18) is embedded and fixed in the housing (7).

6. The kiln variable frequency motor according to claim 1, characterized in that: A return pipe (16) is embedded and fixed on the shell (7), and one end of the return pipe (16) facing away from the shell (7) is embedded and fixed in the water tank (17).