Novel dustproof structure for ore feeding funnel of ball mill

Abstract

The utility model discloses a novel dustproof structure of an ore feeding hopper of a ball mill, which relates to the technical field of the ore feeding hopper of the ball mill and comprises a hopper component, a dustproof component and a protective component, the hopper component consists of a support frame, an ore feeding hopper and an inclined guide plate, and the dustproof component is used for realizing water mist dust falling operation. The protection assembly is used for providing shielding protection for the dustproof assembly. By arranging the dustproof assembly, water mist sprayed out of the spray heads on the side face spray pipes forms a dust raising water curtain in the space above the ore feeding hopper, falling ore materials are wetted preliminarily, meanwhile, raised dust can be intercepted, and the dust is prevented from falling off. Water mist sprayed by the spray heads on the grid spray pipe intercepts material flying dust close to the rear end of the ore feeding hopper, water flow flowing out of the water pipe at the bottom can conduct secondary wetting and impact on mineral aggregate in the ore feeding hopper, the mineral aggregate flying dust is reduced, meanwhile, the mineral aggregate can better slide down to enter a ball mill, and therefore the good dustproof effect can be achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to ball mill feeding hopper technical field, concretely is a new type ball mill feeding hopper dustproof structure. BACKGROUND

[0002] The ball mill feeding hopper is an important component of the ball mill, which functions to feed the material into the ball mill cylinder for grinding through the feeding port.

[0003] When the mine material needs to be ball milled, the mine material is generally fed into the ball mill through the feeding hopper, and the feeding hopper is required to add mine water into the ball mill at the same time. Currently, when water is added to the feeding hopper, it is generally directly added through a water pipe into the feeding hopper. However, due to the shaking of the ore when entering the feeding hopper, dust is stirred up, and the water pipe can only humidify the ore in the hopper, which is difficult to suppress the stirred dust. Therefore, a new type of ball mill feeding hopper dustproof structure is provided. SUMMARY

[0004] The utility model discloses a new type ball mill feeding hopper dustproof structure.

[0005] To achieve the above object, the utility model provides the following technical scheme: a new type ball mill feeding hopper dustproof structure, including the hopper assembly that is composed of support frame, feeding hopper, inclined guide plate, the bottom of support frame is fixed with feeding hopper welding, the upper end two side edges of feeding hopper are fixed with inclined guide plate symmetry, the rear end of support frame is provided with dustproof assembly and is distributed with both sides, dustproof assembly is used for realizing water mist dust fall operation, the upper end edge of the inside of support frame and inclined guide plate is provided with protection assembly, protection assembly is used for providing shielding protection for dustproof assembly;

[0006] The dustproof assembly comprises a bottom water pipe, a center water pipe, a grid spray pipe, a side spray pipe and a five-way pipe fitting.

[0007] The rear end of the support frame is in a sealing structure and is formed with a circular inner cavity, the grid spray pipe is arranged in the circular inner cavity of the support frame and is located at an upper position offset from the center of the support frame, the bottom water pipe and the center water pipe penetrate into the circular inner cavity of the support frame from the rear end of the support frame, the bottom water pipe is close to the inner wall bottom of the support frame, and the center water pipe is located at the center of the support frame and is communicated with the grid spray pipe.

[0008] The side spray pipes are symmetrically distributed above the two sides of the inclined guide plate, and the rear ends of the side spray pipes, the bottom water pipe and the center water pipe are connected through the five-way pipe fitting.

[0009] The grid spray pipe and the side spray pipe are provided with a plurality of spray heads, external water is distributed to the bottom water pipe, the center water pipe, the grid spray pipe and the side spray pipe through pipelines and five-way pipe fittings, and the water in the grid spray pipe and the side spray pipe is sprayed out through the spray heads to realize spraying and dust reduction on the area of the ore feeding hopper, and the water flowing out of the bottom water pipe is used for washing the ore in the ore feeding hopper.

[0010] As a further scheme of the utility model: the protection assembly includes a semicircular baffle, an arc-shaped blocking strip and a through slot;

[0011] The semicircular baffle is installed on the inner side of the rear end of the ore feeding hopper and is distributed on the front end of the grid spray pipe, the arc-shaped blocking strip is fixed on the upper edge of the inclined guide plate and is distributed on the side of the side spray pipe close to the ore feeding hopper, and the through slot is arranged on the semicircular baffle and the arc-shaped blocking strip and is distributed in alignment with the positions of the spray heads on the grid spray pipe and the side spray pipe.

[0012] The semicircular baffle and the arc-shaped blocking strip are respectively used for preventing the grid spray pipe and the side spray pipe from colliding, and the through slot is used for providing space for the spraying of the spray heads.

[0013] As a further scheme of the utility model: the protection assembly further includes a punching groove and an arc-shaped hook;

[0014] The punching groove is arranged on one side of the arc-shaped blocking strip and penetrates the other side of the arc-shaped blocking strip, and the arc-shaped hook is formed on the inner side of the punching groove and protrudes towards the side spray pipe.

[0015] The side spray pipe is clamped on the inner side of the punching groove, so that the installation and limiting of the side spray pipe are realized.

[0016] As a further scheme of the utility model: the number of the through slots and the punching grooves is multiple and is sequentially distributed in a staggered manner along the horizontal direction.

[0017] As a further scheme of the utility model: the arc-shaped blocking strip, the through slot, the punching groove and the arc-shaped hook are integrally formed through punching and stamping processes.

[0018] Compared with the prior art, the utility model has the advantages that:

[0019] By arranging the dust prevention assembly, the water mist sprayed out of the spray heads on the side spray pipe forms a dust raising water curtain in the space above the ore feeding hopper, so that the falling ore is preliminarily wetted, the raised dust is intercepted, the water mist sprayed out of the spray heads on the grid spray pipe intercepts the dust of the material close to the rear end of the ore feeding hopper, the water flowing out of the bottom water pipe can wet and impact the ore in the ore feeding hopper again, the ore dust is reduced, the ore can better slide into the ball mill, and thus good dust prevention effect is realized.BRIEF DESCRIPTION OF DRAWINGS BRIEF DESCRIPTION OF DRAWINGS

[0020] Fig. 1 It is a structure schematic view of the utility model;

[0021] Fig. 2 It is another view structure schematic view of the utility model;

[0022] Fig. 3 It is a split schematic view of the dustproof assembly of the utility model;

[0023] Fig. 4 It is a split schematic view of the protective assembly of the utility model.

[0024] In the drawing: 1, hopper assembly; 101, support frame; 102, feed hopper; 103, inclined guide plate; 2, dustproof assembly; 201, bottom water pipe; 202, center water pipe; 203, grid spray pipe; 204, side spray pipe; 205, spray head; 206, five-way pipe fitting; 3, protective assembly; 301, semicircular baffle; 302, arc-shaped baffle strip; 303, through slot; 304, die-cutting groove; 305, arc-shaped clamping hook. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0026] Please refer to Figs. 1-4 In the embodiments of the utility model, a novel ball mill feed hopper dustproof structure comprises a hopper assembly 1 composed of a support frame 101, a feed hopper 102 and an inclined guide plate 103. The feed hopper 102 is welded and fixed to the bottom of the support frame 101. The inclined guide plate 103 is symmetrically fixed to the upper end edges of the feed hopper 102 on both sides. The rear end and both sides of the support frame 101 are provided with dustproof assemblies 2. The dustproof assemblies 2 are used for realizing water mist dust falling operation. The inner side of the support frame 101 and the upper end edges of the inclined guide plate 103 are provided with protective assemblies 3. The protective assemblies 3 are used for providing shielding protection for the dustproof assemblies 2.

[0027] The dustproof assembly 2 comprises a bottom water pipe 201, a center water pipe 202, a grid spray pipe 203, a side spray pipe 204 and a five-way pipe fitting 206.

[0028] The rear end of the support frame 101 is in a sealing structure and is formed with a circular inner cavity, the grid spray pipe 203 is arranged in the circular inner cavity of the support frame 101 and is located at a position above the center of the support frame 101, the bottom water pipe 201 and the center water pipe 202 penetrate from the rear end of the support frame 101 to the circular inner cavity of the support frame 101, the bottom water pipe 201 is close to the bottom of the inner wall of the support frame 101, and the center water pipe 202 is located at the center of the support frame 101 and communicates with the grid spray pipe 203;

[0029] The side spray pipes 204 are symmetrically distributed above the two sides of the inclined guide plate 103, and the rear ends of the side spray pipes 204, the bottom water pipe 201 and the center water pipe 202 are connected to passages through the five-way pipe fitting 206.

[0030] A plurality of spray heads 205 are arranged on the grid spray pipe 203 and the side spray pipe 204, external water is distributed to the inside of the bottom water pipe 201, the center water pipe 202, the grid spray pipe 203 and the side spray pipe 204 through pipes and the five-way pipe fitting 206, water in the inside of the grid spray pipe 203 and the side spray pipe 204 is sprayed out through the spray heads 205 to realize spray dust reduction on the area of the ore feeding hopper 102, and water flowing out of the bottom water pipe 201 is used for washing operation on the ore in the inside of the ore feeding hopper 102.

[0031] In the embodiment, it needs to be supplemented that the ore feeding hopper 102 is in an inclined state as a whole, when the ore feeding hopper is used, the front end of the ore feeding hopper 102 is inserted into the inside of the ball mill feeding end, after ore is conveyed to the inside of the ore feeding hopper 102 through an external conveying device, the ore slides along the inclined track of the ore feeding hopper 102 to the inside of the ball mill feeding end, and then the feeding operation of the ore is realized.

[0032] During the feeding process, the water inlet end of the five-way pipe fitting 206 can be communicated with an external water tank through an external pipe and a water pump, water in the water tank is conveyed to the inside of the five-way pipe fitting 206 through starting of the water pump, and is distributed to the inside of the bottom water pipe 201, the center water pipe 202 and the two side spray pipes 204, water in the center water pipe 202 flows into the inside of the grid spray pipe 203, in this way, water mist sprayed out of the spray heads 205 on the side spray pipes 204 forms a dust raising water curtain in the space above the ore feeding hopper 102, which can realize preliminary wetting of the falling ore and can also intercept the dust raised;

[0033] Water mist sprayed out of the spray heads 205 on the grid spray pipe 203 can intercept the dust raised by the ore close to the rear end of the ore feeding hopper 102, so that good dust prevention effect can be realized.

[0034] Water flowing out of the bottom water pipe 201 can wet and impact the ore in the inside of the ore feeding hopper 102 again, which can reduce the dust raised by the ore and make the ore better slide into the ball mill.

[0035] Please refer to Figs. 1-4 , the protection assembly 3 includes a semicircular baffle 301, an arc-shaped blocking strip 302, and a through slot 303;

[0036] The semicircular baffle 301 is installed on the inner side of the rear end of the feed hopper 102 and is distributed on the front end of the grid spray pipe 203. The arc-shaped blocking strip 302 is fixed on the upper end edge of the inclined guide plate 103 and is distributed on the side of the side spray pipe 204 close to the feed hopper 102. The through slot 303 is arranged on the semicircular baffle 301 and the arc-shaped blocking strip 302 and is aligned with the positions of the nozzles 205 on the grid spray pipe 203 and the side spray pipe 204.

[0037] The semicircular baffle 301 and the arc-shaped blocking strip 302 are used to prevent the grid spray pipe 203 and the side spray pipe 204 from being collided, respectively. The through slot 303 is used to provide space for the spraying of the nozzles 205.

[0038] In this embodiment, during the process of conveying and dropping the ore into the feed hopper 102, the flying stones will inevitably collide. The semicircular baffle 301 and the arc-shaped blocking strip 302 can effectively prevent the flying stones from colliding with the grid spray pipe 203 and the side spray pipe 204, thereby achieving the effect of collision protection.

[0039] The through slot 303 is arranged to prevent the semicircular baffle 301 and the arc-shaped blocking strip 302 from interfering with the spraying operation of the nozzles 205.

[0040] Please refer to Figs. 1-4 , the protection assembly 3 further includes a punching slot 304 and an arc-shaped hook 305.

[0041] The punching slot 304 is arranged on one side of the arc-shaped blocking strip 302 and penetrates to the other side of the arc-shaped blocking strip 302. The arc-shaped hook 305 is formed on the inner side of the punching slot 304 and protrudes towards the side spray pipe 204.

[0042] The side spray pipe 204 is clamped on the inner side of the punching slot 304, which is used to limit the installation of the side spray pipe 204.

[0043] The through slot 303 and the punching slot 304 are arranged in multiple numbers and are distributed in a staggered manner along the horizontal direction.

[0044] In this embodiment, the arc-shaped hook 305 can be used to conveniently install and fix the side spray pipe 204 without interfering with the nozzles 205.

[0045] Please refer to Figs. 1-4 , the arc-shaped blocking strip 302, the through slot 303, the punching slot 304, and the arc-shaped hook 305 are integrally formed by punching and stamping processes.

[0046] In the embodiment: the punching groove 304 and the arc-shaped clamping hook 305 are synchronously formed through a stamping process, and the whole machining process of the protection assembly 3 is simple, and production and machining are facilitated.

[0047] The above merely describes a preferred specific implementation of the present application, but the scope of protection of the present application is not limited thereto, and any person skilled in the art, within the technical range disclosed by the present application, according to the technical scheme and the inventive concept of the present application, can make equivalent replacements or changes, which should be encompassed within the scope of protection of the present application.

Claims

1. A novel dustproof structure of a ball mill feeding hopper, comprising a hopper assembly (1) composed of a support frame (101), a feeding hopper (102) and an inclined guide plate (103), wherein the feeding hopper (102) is welded and fixed to the bottom of the support frame (101), and the inclined guide plate (103) is symmetrically fixed to the upper end of the two side edges of the feeding hopper (102), characterized in that, The rear end of the support frame (101) is provided with dustproof assemblies (2) distributed on both sides, the dustproof assemblies (2) are used for realizing water mist dust setting operation, the inner side of the support frame (101) is provided with a protection assembly (3) at the upper end edge of the inclined guide plate (103), and the protection assembly (3) is used for providing shielding protection for the dustproof assemblies (2); The dustproof assembly (2) comprises a bottom water pipe (201), a center water pipe (202), a grid spray pipe (203), a side spray pipe (204) and a five-way pipe fitting (206); The rear end of the support frame (101) is in a sealing structure and is formed with a circular inner cavity, the grid spray pipe (203) is arranged in the circular inner cavity of the support frame (101) and is located at a position deviated upward from the center of the support frame (101), the bottom water pipe (201) and the center water pipe (202) penetrate into the circular inner cavity of the support frame (101) from the rear end of the support frame (101), the bottom water pipe (201) is close to the bottom of the inner wall of the support frame (101), and the center water pipe (202) is located at the center of the support frame (101) and communicates with the grid spray pipe (203); The side spray pipes (204) are symmetrically distributed above the two sides of the inclined guide plate (103), and the rear ends of the side spray pipes (204), the bottom water pipe (201) and the center water pipe (202) are connected through the five-way pipe fitting (206). A plurality of spray heads (205) are installed on the grid spray pipe (203) and the side spray pipe (204), external water is distributed to the inside of the bottom water pipe (201), the center water pipe (202), the grid spray pipe (203) and the side spray pipe (204) through pipes and the five-way pipe fitting (206), water in the inside of the grid spray pipe (203) and the side spray pipe (204) is sprayed out through the spray heads (205) to realize spray dust setting on the area of the ore feeding hopper (102), and water flowing out of the bottom water pipe (201) is used for washing operation on the ore in the inside of the ore feeding hopper (102).

2. A dust-proof structure for a ball mill feeding hopper according to claim 1, characterized in that, The protection assembly (3) comprises a semicircular baffle (301), an arc-shaped blocking strip (302) and a through slot (303). The semicircular baffle (301) is installed on the inner side of the rear end of the ore feeding hopper (102) and is distributed in front of the grid spray pipe (203), the arc-shaped blocking strip (302) is fixed to the upper end edge of the inclined guide plate (103) and is distributed on the side close to the ore feeding hopper (102) of the side spray pipe (204), and the through slot (303) is formed in the semicircular baffle (301) and the arc-shaped blocking strip (302) and is distributed in alignment with the positions of the spray heads (205) on the grid spray pipe (203) and the side spray pipe (204). The semicircular baffle (301) and the arc-shaped blocking strip (302) are respectively used for preventing the grid spray pipe (203) and the side spray pipe (204) from colliding, and the through slot (303) is used for providing space for spray of the spray heads (205).

3. A dust-proof structure for a ball mill feeding hopper according to claim 2, characterized in that, The protection assembly (3) further comprises a punching groove (304) and an arc-shaped clamping hook (305). The punching groove (304) is arranged on one side of the arc-shaped blocking strip (302) and penetrates to the other side of the arc-shaped blocking strip (302), and the arc-shaped clamping hook (305) is formed on the inner side of the punching groove (304) and protrudes towards the side spray pipe (204); The side spray pipe (204) is clamped in the inner side of the punching groove (304), so as to realize the installation limiting of the side spray pipe (204).

4. A dust-proof structure for a ball mill feeding hopper according to claim 3, characterized in that, The number of the through grooves (303) and the punching grooves (304) is multiple, and they are distributed in sequence and staggered along the horizontal direction.

5. A dust-proof structure for a ball mill feeding hopper according to claim 3, characterized in that, The arc-shaped blocking strip (302), the through grooves (303), the punching grooves (304) and the arc-shaped clamping hook (305) are integrally formed through punching and stamping processes.

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