Material receiving groove of coal mill

Abstract

The utility model relates to the technical field of coal mills, in particular to a material receiving groove of a coal mill, which comprises a material receiving groove, a screen plate and moisture absorption particles, the upper end of the interior of the material receiving groove is provided with the screen plate by forming a mounting groove, the interiors of the two sides of the material receiving groove are provided with cavities, and the cavities are filled with the moisture absorption particles. A cavity is formed in the inner side of the material receiving groove, reinforcing ribs are evenly arranged in the cavity, the surface of the inner side of the material receiving groove is coated with a wear-resistant coating, the wear-resistant coating is formed by spraying ceramic paint, and a discharging opening is formed in the bottom of the material receiving groove. The material receiving groove has the function of conveniently buffering falling pulverized coal, the impact resistance and the abrasion resistance of the material receiving groove can be effectively enhanced, the service life of the material receiving groove is prolonged, and the material receiving groove is suitable for being widely popularized and used.

Description

TECHNICAL FIELD

[0001] The utility model relates to coal mill technical field, concretely relates to a coal mill receiving trough. BACKGROUND

[0002] The coal mill is the machinery that will be broken and is ground into coal powder to coal block, is the important auxiliary equipment of coal powder furnace, on the coal mill, will be installed with the receiving trough that is convenient for collecting, store coal powder.

[0003] At present, when the receiving trough is used to collect and store coal powder, it does not have a structure for buffering the falling coal powder, and does not have the function of enhancing the wear resistance of the receiving trough, the impact resistance and wear resistance of the receiving trough are poor, which shortens the service life of the receiving trough, therefore, a coal mill receiving trough is proposed to facilitate buffering of the falling coal powder and enhance the impact resistance and wear resistance of the receiving trough, thereby prolonging the service life of the receiving trough. SUMMARY

[0004] To solve the problems in the prior art, the utility model provides a coal mill receiving trough to facilitate buffering of the falling coal powder and enhance the impact resistance and wear resistance of the receiving trough, thereby prolonging the service life of the receiving trough.

[0005] The utility model discloses a coal mill receiving trough that adopts the technical scheme, when the receiving trough is used to receive coal powder, the net board can buffer the falling coal powder, the coal powder can fall into the inside of the receiving trough through the hole on the net board, and the receiving trough is prevented from being damaged due to impact force.

[0006] The inside of the cavity is uniformly provided with reinforcing ribs, the surface of the inside of the receiving trough is coated with a wear-resistant coating, the wear-resistant coating is made of ceramic coating sprayed, and the bottom of the receiving trough is provided with a discharge port.

[0007] The wear-resistant coating on the surface of the inside of the receiving trough is made of ceramic coating sprayed, which can effectively enhance the impact resistance and wear resistance of the inner wall surface of the receiving trough to prolong the service life of the receiving trough.

[0008] The moisture-absorbing particles in the cavity are made of active alumina particles, which can absorb a large amount of moisture, play a drying role, keep the air around the receiving trough dry, and prevent the coal powder from being damp.

[0009] The moisture-absorbing particles in the cavity are made of active alumina particles, which can absorb a large amount of moisture, play a drying role, keep the air around the receiving trough dry, and prevent the coal powder from being damp.

[0010] Specific, the lower end of the discharge port inside the embedded plate, the discharge port outside one side of the opening, the discharge port inside one side of the opening is set in the positioning groove, the one end of the sealing plate is equipped with a handle.

[0011] By adopting the above technical scheme, the socket and the positioning groove facilitate the installation of the sealing plate inside the discharge port, and the personnel can pull out the sealing plate from the discharge port by holding the handle at one end of the sealing plate, thereby discharging the pulverized coal inside the receiving groove.

[0012] Specifically, the outer side of the top of the receiving groove is connected with a connecting plate, and the connecting plate is provided with a bolt hole.

[0013] By adopting the above technical scheme, the connecting plate and the bolt hole facilitate the connection of the receiving groove and the discharge port of the coal mill by screws and other connecting members.

[0014] Specifically, the moisture-absorbing particles are made of active alumina particles.

[0015] By adopting the above technical scheme, the moisture-absorbing particles are made of active alumina particles, which have good adsorption performance, large surface area and excellent thermal stability, can absorb a large amount of moisture, and play a drying role.

[0016] Specifically, the receiving groove is uniformly provided with micropores on both sides, and the bottom of the receiving groove is provided with a base at both ends.

[0017] By adopting the above technical scheme, the micropores are in communication with the cavity, which facilitates the flow of moisture in the air around the receiving groove and the moisture-absorbing particles, and the base can support the receiving groove.

[0018] Specifically, the two sides of the reinforcing rib are connected with the inner wall of the cavity.

[0019] By adopting the above technical scheme, the reinforcing rib can increase the strength inside the cavity.

[0020] The beneficial effects of the utility model are as follows:

[0021] The receiving groove of the utility model can buffer the falling pulverized coal, and the pulverized coal can fall into the inside of the receiving groove through the holes on the mesh plate, avoiding damage to the receiving groove due to impact force.

[0022] The receiving groove of the utility model can effectively enhance the impact resistance and wear resistance of the inner wall surface of the receiving groove, thereby prolonging the service life of the receiving groove.

[0023] The moisture absorption particle can absorb a large amount of moisture, plays a drying role, can keep the air around the material receiving groove dry, and avoids the pulverized coal from being damp. BRIEF DESCRIPTION OF DRAWINGS

[0024] The utility model is further described below in combination with the drawings and examples.

[0025] Figure 1 It is a whole structure schematic view of the utility model;

[0026] Figure 2 It is a sectional view of the utility model;

[0027] Figure 3 It is a discharge port and sealing plate structure schematic view of the utility model;

[0028] Figure 4 It is the Figure 2 structure schematic view of A place.

[0029] In the drawing: 1, material receiving groove; 2, screen plate; 3, connecting plate; 4, bolt hole; 5, base; 6, cavity; 7, reinforcing rib; 8, moisture absorption particle; 9, wear-resistant coating; 10, discharge port; 11, sealing plate; 12, socket; 13, positioning groove; 14, handle; 15, micropore; 16, mounting groove. DETAILED DESCRIPTION

[0030] In order to make the technical means, creative features, purposes and effects realized by the utility model easy to understand, the utility model is further described below in combination with specific implementation manners.

[0031] In order to buffer the falling pulverized coal and enhance the impact resistance and wear resistance of the material receiving groove, thereby prolonging the service life of the material receiving groove, as shown in Figures 1-4 The utility model discloses a coal mill material receiving groove, moisture absorption particle can adsorb a large amount of moisture, play the role of drying, can make the air around the material receiving groove keep dry, avoid the pulverized coal from being damp.

[0032] The inside of the cavity 6 is uniformly provided with the reinforcing rib 7, the surface of the inside of the material receiving groove 1 is coated with the wear-resistant coating 9, the wear-resistant coating 9 is made of ceramic coating spraying, and the bottom of the material receiving groove 1 is provided with the discharge port 10.

[0033] When the material receiving groove is used to receive the pulverized coal, the screen plate 2 can buffer the falling pulverized coal, and the pulverized coal can fall into the inside of the material receiving groove 1 through the holes on the screen plate 2, so that the material receiving groove 1 is prevented from being damaged due to impact force.

[0034] The wear-resistant coating 9 on the inner side surface of the receiving groove 1 is made of ceramic paint spraying, which can effectively enhance the impact resistance and wear resistance of the inner wall surface of the receiving groove 1, thereby prolonging the service life of the receiving groove 1.

[0035] The moisture-absorbing particles 8 in the cavity 6 are made of active alumina particles, which can absorb a large amount of moisture and play a drying role, so as to keep the air around the receiving groove 1 dry and avoid the moisture absorption of the coal powder.

[0036] In order to prolong the service life of the receiving groove, as shown in Figure 2 , Figure 3 , the lower end of the discharge port 10 is embedded with a sealing plate 11, one side of the outer part of the discharge port 10 is provided with a socket 12, and one side of the inner part of the discharge port 10 is provided with a positioning groove 13. One end of the sealing plate 11 is provided with a handle 14.

[0037] In use, the socket 12 and the positioning groove 13 facilitate the installation of the sealing plate 11 in the inner part of the discharge port 10. The personnel tightly hold the handle 14 at one end of the sealing plate 11, and then the sealing plate 11 can be pulled out of the discharge port 10, so that the coal powder in the inner part of the receiving groove 1 can be discharged.

[0038] As shown in Figure 1 , the outer side of the top of the receiving groove 1 is connected with a connecting plate 3, and the connecting plate 3 is provided with a bolt hole 4.

[0039] In use, the connecting plate 3 and the bolt hole 4 facilitate the personnel to connect the receiving groove 1 with the discharge port of the coal mill by using screws and other connecting parts.

[0040] As shown in Figure 1 , Figure 4 , the moisture-absorbing particles 8 are made of active alumina particles.

[0041] In use, the moisture-absorbing particles 8 are made of active alumina particles, which have good adsorption performance, a large surface area and excellent thermal stability, and can absorb a large amount of moisture and play a drying role.

[0042] As shown in Figure 1 , Figure 2 , the receiving groove 1 is uniformly provided with a plurality of micropores 15 on both sides, and the bottom of the receiving groove 1 is provided with a base 5 at both ends.

[0043] In use, the micropores 15 are in communication with the cavity 6, which facilitates the contact and flow of the moisture in the air around the receiving groove 1 with the moisture-absorbing particles 8, and the base 5 can support the receiving groove 1.

[0044] As shown in Figure 2As shown, both sides of the reinforcing rib 7 are connected with the inner wall of the cavity 6.

[0045] In use, the reinforcing rib 7 can increase the strength inside the cavity 6.

[0046] In use, when the receiving groove is used to receive the coal powder, the coal powder falls on the surface of the mesh plate 2, and since the particle size and hardness of the coal powder may be different, the receiving groove needs to bear the impact load, and the mesh plate 2 can buffer the falling coal powder, and the coal powder can fall into the inside of the receiving groove 1 through the holes on the mesh plate 2.

[0047] The wear-resistant coating 9 on the inner side surface of the receiving groove 1 is made of ceramic coating spraying, which can effectively enhance the impact resistance and wear resistance of the inner wall surface of the receiving groove 1, so as to prolong the service life of the receiving groove 1.

[0048] The moisture-absorbing particles 8 inside the cavity 6 are made of active alumina particles, which have good adsorption performance, and at the same time, the active alumina particles also have a large surface area and excellent thermal stability and other characteristics, which enable them to adsorb a large amount of moisture and play a drying role, so as to keep the air around the receiving groove 1 dry and avoid the coal powder from being damp.

[0049] The above shows and describes the basic principles, main features and advantages of the present application. Those skilled in the art should understand that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application, and various changes and improvements can be made without departing from the spirit and scope of the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A coal mill pocket characterized by, Including the material receiving groove (1), the screen plate (2) and the hygroscopic particle (8), the upper end of the inside of the material receiving groove (1) is provided with the screen plate (2) through the installation groove (16) is set, the inside of the both sides of the material receiving groove (1) is filled with the hygroscopic particle (8) through the cavity (6) is set, the inside of the cavity (6) is filled with the hygroscopic particle (8). The inside of the cavity (6) is uniformly provided with the reinforcing rib (7), the surface of the inside of the material receiving groove (1) is coated with the wear-resistant coating (9), the wear-resistant coating (9) is made of ceramic coating spraying, the bottom of the material receiving groove (1) is provided with the discharge port (10).

2. A coal mill pocket according to claim 1, characterised in that, The lower end of the inside of the discharge port (10) is embedded with the sealing plate (11), one side of the outside of the discharge port (10) is provided with the socket (12), one side of the inside of the discharge port (10) is provided with the positioning groove (13), one end of the sealing plate (11) is provided with the handle (14).

3. A coal mill discharge chute according to claim 1, wherein, The outside of the top of the material receiving groove (1) is connected with the connecting plate (3), the connecting plate (3) is provided with the bolt hole (4).

4. A coal mill discharge chute according to claim 1, wherein, The hygroscopic particle (8) is made of active alumina particle.

5. A coal mill discharge chute according to claim 1, wherein, The both sides of the material receiving groove (1) are uniformly provided with the micropore (15), the both ends of the bottom of the material receiving groove (1) are provided with the base (5).

6. A coal mill discharge chute according to claim 1, wherein, The both sides of the reinforcing rib (7) are connected with the inner wall of the cavity (6).

Images