Grinding head sealing device of cement grinding mill
By combining a labyrinthine sealing structure with high-temperature resistant wool felt, the problem of material leakage in the cement mill head seal was solved, improving production efficiency and equipment stability, and reducing energy consumption and maintenance costs.
Patent Information
- Application Number
- CN202423125959.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-18
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-12-18
AI Technical Summary
The existing cement mill head seal suffers from severe material leakage, which affects mill output and environmental hygiene. This is especially noticeable when the material has poor flowability, leading to increased energy consumption and higher labor intensity.
The labyrinth sealing structure, combined with high-temperature resistant wool felt and lifting plates, forms an effective sealing system. It prevents material leakage through round steel supports and labyrinth channels, and regulates airflow through air ducts to ensure smooth material flow.
It effectively prevents material leakage from the grinding head, improves the production efficiency and stability of the mill, reduces energy consumption and material waste, extends equipment life, improves the working environment, and reduces maintenance costs.
Smart Images
Figure CN223524406U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to cement manufacturing industry field especially relates to a cement mill head sealing device. BACKGROUND
[0002] Cement is the basic material of the building industry, has strong bonding and hardening ability, can provide solid support for various building structures, in the cement production process, the mill head is a vital component, the mill is used to grind and mix raw materials into cement clinker, and the mill head is responsible for the treatment of these raw materials;
[0003] The existing mill head sealing leakage problem is more serious, although the mill head under the discharge chute is lengthened and the spiral blade is installed, but it is not completely solved, but when the material fluidity is poor, the mill head leakage is particularly serious, and it is necessary to reduce production or even stop feeding, and after the material flows, the material is fed again, because there is a gap between the discharge opening of the mill and the front lining plate of the mill, this part is the material accumulation part, and the material with poor fluidity is accumulated here, and enters the ventilation pipe and the inverted cone of the mill with the rotation of the cylinder, the material enters the mill and directly leaks out, the mill head leakage not only affects the mill environment and health, increases the labor intensity of the post personnel, but also affects the mill output and increases the energy consumption, therefore, the cement mill head sealing device is proposed to solve the above problems. UTILITY MODEL CONTENTS
[0004] In order to make up for the above shortcomings, the utility model provides a cement mill head sealing device, which aims at improving the mill head sealing leakage problem in the prior art, so as to affect the mill environment and health and the mill output.
[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:
[0006] A cement mill head sealing device, comprising a mill head body, a pipeline is formed in the inside of the mill head body, a round steel is fixedly connected to one side of the mill head body, an air pipe is fixedly connected to the top of the round steel, a wool felt is arranged at the bottom of the round steel, and a labyrinth structure is formed between the round steel and the wool felt for installation.
[0007] As a further description of the above technical scheme:
[0008] The top of the round steel is provided with a material lifting plate.
[0009] As a further description of the above technical scheme:
[0010] The size of the material lifting plate is 300mm*40mm*5mm.
[0011] As a further description of the above technical scheme:
[0012] The pipeline is used for ventilation or guiding material flow, ensuring smooth material flow and no leakage;
[0013] As a further description of the above technical solution:
[0014] The wool felt has high temperature resistance and strong sealing performance, effectively preventing material leakage;
[0015] As a further description of the above technical solution:
[0016] The labyrinth structure prevents material leakage by a plurality of interlaced channels and improves the sealing effect.
[0017] The utility model has the following beneficial effects:
[0018] 1、In the utility model, the material leakage of the grinding head is effectively prevented by the labyrinth sealing structure, so that the material will not leak to the outside. This not only improves the production efficiency and stability of the mill, but also reduces the energy consumption and material waste, thereby improving the overall production benefit. During operation, the mill can run smoothly, avoiding the reduction, stoppage or unnecessary maintenance caused by material leakage, and improving the production environment.
[0019] 2、In the utility model, the wear-resistant and high-temperature-resistant wool felt sealing material is adopted, the service life of the equipment is prolonged, and the wear of the grinding head components is reduced. The effectiveness of the sealing device reduces the frequency of equipment failure and maintenance, thereby reducing the maintenance cost and improving the long-term operation stability of the equipment. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1 A cement mill grinding head sealing device is provided.
[0021] Figure 2 A structure diagram of a round steel of the cement mill grinding head sealing device is provided.
[0022] Figure 3 For Figure 2 An enlarged view of A in the middle.
[0023] LEGEND:
[0024] 1、Grinding head body; 2、Pipeline; 3、Round steel; 4、Air pipe; 5、Wool felt; 6、Material lifting plate. DETAILED DESCRIPTION
[0025] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.
[0026] Referring to Figure 1 Figure 3 An embodiment provided by the present application: a cement mill head sealing device, comprising a mill head body 1, the mill head body 1 is the main part of the entire sealing device, which is responsible for bearing and fixing other components, a pipeline 2 is arranged in the mill head body 1, the pipeline 2 is used for guiding or discharging airflow, dust or material flow, in the sealing device, the main role of the pipeline 2 is to help adjust the airflow in the air pipe 4, ensure the stability of the airflow in the mill, prevent the material from leaking or blocking due to too strong or too weak airflow, a round steel 3 is fixedly connected to one side of the mill head body 1, the round steel 3 serves as a fixed support part and is installed on the mill head body 1, which plays a role in supporting and stabilizing other components, the top of the round steel 3 is fixedly connected with an air pipe 4, the air pipe 4 is mainly responsible for guiding the airflow from one part of the mill head body 1 to another part, which is used for discharging gas or adjusting the airflow direction, assisting the flow of the material in the mill, and preventing the material from leaking, a wool felt 5 is arranged at the bottom of the round steel 3, the wool felt 5 serves as a sealing material and is installed at the bottom of the round steel 3, and a labyrinth sealing structure is formed between the wool felt 5 and the round steel 3, the wool felt 5 has excellent elasticity and high temperature resistance, which can effectively prevent the material from leaking, the labyrinth structure formed between the round steel 3 and the wool felt 5 is installed, a material lifting plate 6 is installed at the top of the round steel 3, the material lifting plate 6 is installed at the top of the round steel 3 and is used for guiding and lifting the flow of the material, which helps the material to flow smoothly from the mill head body 1 into the air pipe 4 and flow through the air pipe 4, the size of the material lifting plate 6 is 300mm*40mm*5mm, the pipeline 2 is used for ventilation or guiding the flow of the material, which ensures that the material flows smoothly and does not leak, the wool felt 5 has high temperature resistance and strong sealing performance, which effectively prevents the material from leaking, the labyrinth structure prevents the material from leaking through multiple interlaced channels and improves the sealing effect.
[0027] Working principle: the material enters the mill through the mill head body 1 and is guided to the grinding area through the pipeline 2, the round steel 3 supports the structure of the air pipe 4 and the wool felt 5 sealing device, the labyrinth sealing structure is formed between the wool felt 5 and the round steel 3, which prevents the material from leaking, the air pipe 4 adjusts the airflow to ensure smooth flow of the material and avoid accumulation or blockage, the material lifting plate 6 is located at the top of the round steel 3, which helps to uniformly guide the flow of the material and ensure its smooth distribution in the mill, through this sealing and airflow adjusting system, the device effectively prevents material leakage, improves production efficiency, reduces energy consumption and material waste, and improves the working environment, ensuring stable operation of the mill.
[0028] It should be pointed out finally that: the above only for the preferred embodiments of the present application have, and not for limiting the present application, although the present application is described in detail with reference to the foregoing embodiments, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of protection of the present application.
Claims
1. A cement mill head sealing device comprising a mill head body (1), characterized in that: The inside of the grinding head body (1) is provided with a pipeline (2), one side of the grinding head body (1) is fixedly connected with a round steel (3), the top of the round steel (3) is fixedly connected with an air pipe (4), the bottom of the round steel (3) is provided with a wool felt (5), and the labyrinth structure formed between the round steel (3) and the wool felt (5) is installed.
2. A seal for a cement mill head as claimed in claim 1, wherein: The top of the round steel (3) is provided with a material lifting plate (6).
3. A cement mill head sealing device as claimed in claim 2, wherein: The size of the material lifting plate (6) is 300mm*40mm*5mm.
4. A seal for a cement mill head as defined in claim 1, wherein: The pipeline (2) is used for ventilation or guiding material flow, ensuring smooth material flow and no leakage.
5. A cement mill head sealing device as claimed in claim 1, wherein: The wool felt (5) has high temperature resistance and strong sealing performance, effectively preventing material leakage.
6. A cement mill head sealing device as claimed in claim 1, wherein: The labyrinth structure prevents material leakage through multiple interlaced channels and improves the sealing effect.