Stone coarse aggregate crushing system for gravel processing

Abstract

The utility model discloses a stone coarse aggregate crushing system for sandstone processing, which comprises a receiving platform, a receiving bin, a feeding bin and a conveying bin which are sequentially arranged from top to bottom, a bar feeder is arranged in the feeding bin, a screen for screening waste materials is fixedly arranged at the upper part of a feeding bar at the tail end of the bar feeder, and the conveying bin is arranged in the feeding bin. A discarded material collecting hopper is arranged at the bottom of the bar feeder and located in the bottom area of the screen, a first belt conveyor used for conveying discarded materials is arranged at the bottom of the discarded material collecting hopper, a crusher used for receiving fed materials at the tail ends of the feeding bars is arranged at the top of the conveying bin, and a second belt conveyor used for conveying available materials pre-crushed by the crusher is arranged in the conveying bin. According to the bar feeder, the screens with the corresponding mesh number are fixed to the feeding bars of the bar feeder, the stone pre-screening function is achieved, waste materials containing pug, sundries and the like can be directly abandoned, use of a pre-screening system and two belt conveyors is reduced, and the bar feeder has high adaptability in gravel aggregate machining.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of sandstone processing and crushing, and particularly relates to a stone coarse aggregate crushing system for sandstone processing. BACKGROUND

[0002] A large-scale sandstone processing system coarse crushing workshop generally comprises a rod bar feeder, a crusher and a pre-screening workshop. The pre-screening workshop is arranged to avoid the entry of mud-containing materials and sundries into the sandstone system, so that the processed finished sandstone aggregate is not up to standard. After the rod bar feeder vibrates to feed, the stone with a diameter smaller than the rod bar spacing and sundries fall into the first belt conveyor through the collecting hopper, and are then conveyed to the pre-screening workshop. The pre-screening workshop screens the stone, and the rejected materials are conveyed to a rejected material pile through one belt conveyor, and the useful materials are conveyed to a semi-finished material pile through another belt conveyor for the next link. The existing large-scale sandstone processing system coarse crushing workshop has a complex structure, and two conveying belt conveyors and a set of pre-screening equipment are added, so that the cost is high and the land occupation is large. SUMMARY

[0003] The utility model provides a stone coarse aggregate crushing system for sandstone processing, which is novel and reasonable in design, and has the stone pre-screening function. The mud-containing materials, sundries and the like can be directly rejected, the use of the pre-screening system and the two conveying belt conveyors is reduced, and the system has strong adaptability in sandstone aggregate processing and is convenient to use and popularize.

[0004] To solve the above technical problems, the utility model adopts the technical scheme of a stone coarse aggregate crushing system for sandstone processing, characterized by comprising a receiving platform, a receiving bin, a feeding bin and a conveying bin arranged from high to low, the receiving bin bottom is provided with a receiving opening in communication with the feeding bin, the feeding bin is provided with a rod bar feeder, the feeding rod bar upper portion of the rod bar feeder tail end is fixedly provided with a screen for screening rejected materials, the bottom of the rod bar feeder and the bottom area of the screen are provided with a rejected material collecting hopper, the bottom of the rejected material collecting hopper is provided with a first belt conveyor for conveying the rejected materials, and the conveying bin top is provided with a crusher for receiving the feeding of the feeding rod bar tail end.

[0005] The stone coarse aggregate crushing system for sandstone processing is characterized by that the first belt conveyor conveys the received rejected materials to a rejected material pile.

[0006] The stone coarse aggregate crushing system for sandstone processing is characterized by that a spraying mechanism for flushing the stone on the screen is installed on the outer wall of the feeding bin, the spraying mechanism comprises a water taking pump station and a spraying pipe supplied with water by the water taking pump station, and a plurality of spraying nozzles are installed on the bottom of the spraying pipe.

[0007] The stone coarse aggregate crushing system for sandstone processing has the characteristics that the spray pipe is welded by a steel pipe with a diameter of 108, and the water pressure of the spray nozzle is not less than 0.3 MPa.

[0008] The stone coarse aggregate crushing system for sandstone processing has the characteristics that the second belt machine transports the useful material received after pre-crushing by the crusher to the semi-finished product bin.

[0009] The stone coarse aggregate crushing system for sandstone processing has the characteristics that the screen mesh is welded by a steel bar with a diameter of 36.

[0010] The stone coarse aggregate crushing system for sandstone processing has the characteristics that the screen mesh is welded by a steel bar with a diameter of 36.

[0011] The technical scheme of the utility model will be further described in detail below with reference to the drawings and embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a structural schematic view of the utility model.

[0013] Figure 2 It is a corresponding relationship top view of the rod bar feeder, the spraying mechanism and the waste material pile of the utility model.

[0014] MARKING OF THE DRAWINGS:

[0015] 1 - material receiving platform, 2 - material receiving bin, 3 - material receiving port,

[0016] 4 - feeding bin, 5 - rod bar feeder, 6 - feeding rod bar,

[0017] 7 - screen mesh, 8 - waste material collecting hopper, 9 - first belt machine,

[0018] 10 - material conveying bin, 11 - second belt machine, 12 - crusher,

[0019] 13 - spray pipe, 14 - spray nozzle, 15 - waste material pile. DETAILED DESCRIPTION

[0020] As Figure 1 and Figure 2As shown, the utility model discloses a material receiving platform 1, a material receiving bin 2, a feeding bin 4 and a conveying bin 10 are sequentially arranged from high to low, the material receiving bin 2 is provided with a material receiving port 3 communicated with the feeding bin 4, a rod bar feeder 5 is arranged in the feeding bin 4, a screen 7 for screening discarded materials is fixedly arranged on the upper portion of a feeding rod bar 6 at the tail end of the rod bar feeder 5, a discarded material collecting hopper 8 is arranged at the bottom of the rod bar feeder 5 and located at the bottom region of the screen 7, a first belt conveyor 9 for conveying discarded materials is arranged at the bottom of the discarded material collecting hopper 8, a crusher 12 for receiving the feeding of the feeding rod bar 6 at the tail end is arranged at the top of the conveying bin 10, and a second belt conveyor 11 for conveying useful materials after pre-crushing of the crusher 12 is arranged in the conveying bin 10.

[0021] It should be noted that the material receiving platform 1, the material receiving bin 2, the feeding bin 4 and the conveying bin 10 sequentially arranged from high to low gradually lower the stone materials, screen, crush to the second belt conveyor 11 and transmit to the semi-finished product bin, the rod bar feeder 5 is electrified and vibrated to make the stone materials slide down, the screen 7 filters the small-sized gravel and sand, the discarded materials filtered out fall on the first belt conveyor 9 through the discarded material collecting hopper 8, the materials meeting the particle size requirement fall into the crusher 12, and the useful materials after pre-crushing of the crusher 12 fall into the second belt conveyor 11 and transmit to the semi-finished product bin.

[0022] In the embodiment, the first belt conveyor 9 conveys the received discarded materials to a discarded material pile 15.

[0023] In the embodiment, a spraying mechanism for washing the stone materials on the screen 7 is mounted on the outer wall of the feeding bin 4, the spraying mechanism comprises a water taking pump station and a spraying pipe 13 supplied with water by the water taking pump station, and a plurality of spraying nozzles 14 are mounted at the bottom of the spraying pipe 13.

[0024] In the embodiment, the spraying pipe 13 is welded by Ф108 steel pipes, and the water pressure of the water sprayed by the spraying nozzles 14 is not less than 0.3MPa.

[0025] It should be noted that the spraying mechanism sprays the stone materials by high-pressure water, which is mainly used for washing the stone materials and providing the quality of sandstone production.

[0026] In the embodiment, the second belt conveyor 11 conveys the useful materials after pre-crushing of the crusher 12 to the semi-finished product bin.

[0027] In the embodiment, the screen 7 is welded by Ф36 steel bars.

[0028] It should be noted that the spacing of the Ф36 steel bars in the screen 7 needs to be determined according to the original situation of the stone materials and the screening particle size, and the feeding rod bar screen needs to be cleaned regularly during operation, the screen is easy to be blocked due to the small spacing of the screen during the operation of the rod bar feeder, and a special person needs to be arranged to clean it regularly.

[0029] The utility model discloses when using, the stone raw material falls into the receiving bin 2 through the receiving platform 1, the bottom of receiving bin 2 is provided with the receiving port 3 that communicates with the feeder bin 4, and the stone raw material falls into the stick bar feeder 5 through the receiving port 3, utilizes the stick bar feeder 5 power vibration, makes the stone slide down, and the screen 7 filters the small gravel and silt of particle size, and the spraying mechanism is through the high pressure water injection stone, and the stone is washed, provides the sandstone production quality, and the rejected material that filters out falls on the first belt conveyor 9 through the rejected material collecting hopper 8, and the stone that meets the particle size requirement falls into the crusher 12, and the useful material falls into the second belt conveyor 11 and is transmitted to the semi-finished product bin after the crusher 12 prebreaks, and the screen of corresponding mesh number is fixed on the stick bar feeder's stick bar, realizes the stone pre-screening function, can directly discard the rejected material such as mud-containing material, sundries etc., reduces the use of pre-screening system and two conveying belt machines, and has very strong adaptability in the sandstone aggregate processing.

[0030] The above is only the preferred embodiment of the utility model, and does not limit the utility model, and any simple modification, change and equivalent structure change according to the technical essence of the utility model to the above embodiment all still belong to the protection scope of the utility model technical scheme.

Claims

1. A stone coarse aggregate crushing system for sandstone processing, characterized by: It includes a receiving platform (1), a receiving bin (2), a feeding bin (4) and a conveying bin (10) arranged from high to low, the bottom of the receiving bin (2) is provided with a receiving port (3) communicated with the feeding bin (4), the feeding bin (4) is provided with a rod bar feeder (5), the upper part of the feeding rod bar (6) at the end of the rod bar feeder (5) is fixedly provided with a screen (7) for screening rejected materials, the bottom of the rod bar feeder (5) and the bottom area of the screen (7) are provided with a rejected material collecting hopper (8), the bottom of the rejected material collecting hopper (8) is provided with a first belt conveyor (9) for transporting rejected materials, the top of the conveying bin (10) is provided with a crusher (12) for receiving the end feeding of the feeding rod bar (6), and the conveying bin (10) is provided with a second belt conveyor (11) for transporting useful materials after pre-crushing of the crusher (12).

2. A stone coarse aggregate crushing system for sandstone processing according to claim 1, characterized in that: The first belt conveyor (9) transports the received rejected materials to a rejected material pile (15).

3. A stone coarse aggregate crushing system for sandstone processing according to claim 1, characterized in that: A spraying mechanism for washing the stones on the screen (7) is mounted on the outer wall of the feeding bin (4), the spraying mechanism includes a water taking pump station and a spraying pipe (13) supplied with water by the water taking pump station, and a plurality of spraying nozzles (14) are mounted on the bottom of the spraying pipe (13).

4. A stone coarse aggregate crushing system for sand and gravel processing according to claim 3, characterized in that: The spraying pipe (13) is welded by Ф108 steel pipes, and the water pressure of the water sprayed by the spraying nozzles (14) is not less than 0.3MPa.

5. A stone coarse aggregate crushing system for sand and gravel processing according to claim 1, characterized in that: The second belt conveyor (11) transports the useful materials after pre-crushing of the crusher (12) to a semi-finished product bin.

6. A stone coarse aggregate crushing system for sand and gravel processing according to claim 1, characterized in that: The screen (7) is welded by Ф36 steel bars.

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