Grinding roller lining plate device for coal mill

Abstract

The utility model provides a grinding roller lining plate device for coal mill, including grinding roller mounting base, grinding roller shaft, grinding roller head, tail plate, base body, front guard plate and rear guard plate, the grinding roller mounting base is used for mounting on the side wall of coal mill, the grinding roller mounting base is connected with the grinding roller shaft, the grinding roller shaft is connected with the grinding roller head, the grinding roller head is connected with the tail plate, the base body is connected with the front guard plate, and the rear guard plate is connected with the rear guard plate. The tail plate is connected to the lower portion of the end, close to the grinding roller shaft, of the grinding roller mounting base and wraps the lower portion of the end, close to the grinding roller shaft, of the grinding roller mounting base, the base body is connected with the edge of the tail plate, the rear protection plate is connected to the side face of the base body in an attached mode, and the front protection plate is connected with the rear protection plate. And the front protective plate is positioned below one end, close to the grinding roller mounting seat, of the grinding roller shaft and below one end, close to the grinding roller mounting seat, of the grinding roller head. The utility model aims to solve the problem that the existing grinding roller assembly of the coal mill is washed by hot primary air and is damaged by blowing.

Description

Technical Field

[0001] The utility model belongs to the technical field of coal mill structures, and in particular relates to a grinding roller lining device for a coal mill. Background Art

[0002] When the medium-speed bowl-type coal mill roller assembly is performing coal grinding operation, the hot primary air derived from the coal mill impeller is used to blow the coal powder ground by the roller head, and then the smaller coal powder is blown out of the coal mill for collection. The hot primary air itself will have a great impact on the roller head flange and the roller flange. The existing coal mill roller assembly fails to effectively protect the roller head flange and the roller shaft flange. When the coal mill is running, the hot primary air from the coal mill impeller and the coal powder mixture inside the coal mill directly flush the roller head flange and the lower half of the roller shaft flange. In severe cases, nearly 1 / 3 of the flange bolt holes will be blown away and the fixing bolts will be obviously damaged. The firmness and safety of the roller assembly will be significantly reduced, causing major accident hazards to the safe operation of the coal mill and the economic operation of the unit. Utility Model Content

[0003] In view of the above-mentioned technical problems, the utility model provides a grinding roller lining device for a coal mill to solve the problem that the existing coal mill grinding roller assembly is damaged by the scouring of hot primary air, and a grinding roller lining device for a coal mill is designed. The grinding roller lining device for a coal mill can effectively protect the grinding roller head flange and the grinding roller shaft flange and improve the service life.

[0004] The utility model provides a grinding roller lining device for a coal mill, comprising a grinding roller mounting seat, a grinding roller shaft, a grinding roller head, a tail plate, a base, a front guard plate and a rear guard plate, wherein the grinding roller mounting seat is used to be installed on the side wall of the coal mill, the grinding roller mounting seat is connected to the grinding roller shaft, the grinding roller shaft is connected to the grinding roller head, the tail plate is connected to the lower part of one end of the grinding roller mounting seat close to the grinding roller shaft, and the tail plate covers the lower part of one end of the grinding roller mounting seat close to the grinding roller shaft, the base is connected to the edge of the tail plate, the rear guard plate is fitted and connected to the side surface of the base, the front guard plate is connected to the rear guard plate, the front guard plate is located below one end of the grinding roller shaft close to the grinding roller mounting seat and below one end of the grinding roller head close to the grinding roller mounting seat, and the front guard plate covers the lower part of one end of the grinding roller shaft close to the grinding roller mounting seat and below one end of the grinding roller head close to the grinding roller mounting seat.

[0005] Furthermore, the tail plate and the front guard plate are both arc-shaped plates.

[0006] Furthermore, the tail plate, the front guard plate and the rear guard plate are metal parts or ceramic parts.

[0007] The grinding roller lining device for the coal mill is provided with a tail plate, a base, a front guard plate and a rear guard plate below the grinding roller mounting seat, the grinding roller shaft and the grinding roller head, which can effectively protect the grinding roller head flange and the grinding roller shaft flange from wear. When the coal grinding operation is carried out, the front guard plate and the tail plate can effectively avoid the direct impact of the hot primary air on the grinding roller head flange and the grinding roller shaft flange, eliminate the potential accident hazards of the grinding roller assembly during the operation of the coal mill, and significantly improve the safety of the coal mill operation and the economy of the unit operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0009] Figure 1 It is a structural schematic diagram of a grinding roller lining device for a coal mill; DETAILED DESCRIPTION

[0010] The utility model discloses a grinding roller lining device for a coal mill. The grinding roller lining device for the coal mill can effectively protect a grinding roller head flange and a grinding roller shaft flange and improve the service life.

[0011] The following will be combined with the drawings in the utility model to clearly and completely describe the technical solution in the utility model. Obviously, what is described is only a 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 making creative work are within the scope of protection of the utility model.

[0012] See also Figure 1As shown, the utility model provides a grinding roller lining device for a coal mill, comprising a grinding roller mounting seat 5, a grinding roller shaft 6, a grinding roller head 7, a tail plate 4, a base 3, a front guard plate 1 and a rear guard plate 2, wherein the grinding roller mounting seat 5 is used to be installed on the side wall of the coal mill, the grinding roller mounting seat 5 is connected to the grinding roller shaft 6, the grinding roller shaft 6 is connected to the grinding roller head 7, the tail plate 4 is connected to the lower part of one end of the grinding roller mounting seat 5 close to the grinding roller shaft 6, and the tail plate 4 covers the grinding roller mounting seat 5 close to the grinding roller shaft 6. Below one end of the roller shaft 6, the base 3 is connected to the edge of the tail plate 4, the rear guard plate 2 is fitted and connected to the side of the base 3, the front guard plate 1 is connected to the rear guard plate 2, the front guard plate 1 is located below one end of the grinding roller shaft 6 close to the grinding roller mounting seat 5 and below one end of the grinding roller head 7 close to the grinding roller mounting seat 5, and the front guard plate 1 covers the bottom of the end of the grinding roller shaft 6 close to the grinding roller mounting seat 5 and the bottom of the end of the grinding roller head 7 close to the grinding roller mounting seat 5.

[0013] The tail plate 4 and the front guard plate 1 are both arc-shaped plates.

[0014] The tail plate 4, the front guard plate 1 and the rear guard plate 2 are metal parts or ceramic parts.

[0015] The grinding roller lining device for the coal mill is provided with a tail plate 4, a base 3, a front guard plate 1 and a rear guard plate 2 below the grinding roller mounting seat 5, the grinding roller shaft 6 and the grinding roller head 7, which can effectively protect the grinding roller head flange and the grinding roller shaft flange from wear. When the coal grinding operation is performed, the front guard plate 1 and the tail plate 4 can effectively avoid the direct impact of the hot primary air on the grinding roller head flange and the grinding roller shaft flange, eliminate the potential accident hazards of the grinding roller assembly during the operation of the coal mill, and significantly improve the safety of the coal mill operation and the economy of the unit operation.

[0016] The above contents are further detailed descriptions of the present invention in combination with specific preferred implementations, and the specific implementation of the present invention cannot be considered to be limited to these descriptions. For ordinary technicians in the technical field to which the present invention belongs, several simple deductions or substitutions can be made without departing from the concept of the present invention, which should be regarded as falling within the protection scope of the present invention.

Claims

1. A grinding roller lining device for a coal mill, characterized in that: The invention comprises a grinding roller mounting seat, a grinding roller shaft, a grinding roller head, a tail plate, a base, a front guard plate and a rear guard plate, wherein the grinding roller mounting seat is used to be installed on the side wall of the coal mill, the grinding roller mounting seat is connected to the grinding roller shaft, the grinding roller shaft is connected to the grinding roller head, the tail plate is connected to the lower part of one end of the grinding roller mounting seat close to the grinding roller shaft, and the tail plate covers the lower part of one end of the grinding roller mounting seat close to the grinding roller shaft, the base is connected to the edge of the tail plate, the rear guard plate is fitted and connected to the side surface of the base, the front guard plate is connected to the rear guard plate, the front guard plate is located below one end of the grinding roller shaft close to the grinding roller mounting seat and below one end of the grinding roller head close to the grinding roller mounting seat, and the front guard plate covers the lower part of one end of the grinding roller shaft close to the grinding roller mounting seat and below one end of the grinding roller head close to the grinding roller mounting seat.

2. A grinding roller lining device for a coal mill according to claim 1, characterized in that: The tail plate and the front guard plate are both arc-shaped plates.

3. A grinding roller lining device for a coal mill according to claim 1, characterized in that: The tail plate, the front guard plate and the rear guard plate are metal parts or ceramic parts.

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