Drum-type stone washing equipment

Abstract

The utility model relates to the technical field of gravel cleaning equipment, in particular to drum-type gravel cleaning equipment which comprises a support, a drum arranged on the support and a driving mechanism used for driving the drum to rotate, the drum is obliquely arranged, the discharging end is lower than the feeding end, and both the discharging end and the feeding end are open; at least two complete spiral sheets are arranged on the inner wall of the roller in the length direction of the roller; an overflow area is arranged on the wall, close to the discharging end, of the roller, a plurality of overflow holes are formed in the overflow area, and when the roller does not rotate, the overflow area is located on the upper portion of the wall of the roller; a washing pipe is further arranged at the feeding end of the roller and extends into the roller from an opening of the feeding end, and a plurality of water spraying openings are formed in the portion, located in the roller, of the washing pipe in the circumferential direction. The stone washing machine can solve the technical problems that an existing stone washing machine is low in washing efficiency and poor in washing quality.

Description

Technical Field

[0001] The utility model relates to the technical field of sand and gravel washing equipment, in particular to drum-type gravel washing equipment. Background Art

[0002] Sand washing is widely used in sand and gravel yards, mines, building materials, transportation, chemical industry, water conservancy and hydropower, concrete mixing stations and other industries for washing materials. It can remove impurities covering the surface of sand and gravel, and at the same time destroy the water vapor layer coating the sand particles to facilitate dehydration and play a high-efficiency sand washing and cleaning role. It is mainly used to remove impurities (such as dust) from sand products. Because water washing is mostly used, it is called sand washing machine or stone washing machine.

[0003] According to the appearance and principle, stone washing machines can be roughly divided into spiral stone washing machines, drum stone washing machines, water wheel stone washing machines, vibration stone washing machines, bucket type stone washing machines, garden barrel stone washing machines, etc.; among them, the drum type stone washing machine adopts the mixing principle of the mixer. The sand and gravel are cleaned in the drum under the combined action of the rolling and pushing of the continuous spiral blades and the mutual friction between the sand and gravel.

[0004] However, the existing drum stone washing machine still has technical problems of low cleaning efficiency and poor cleaning quality during use; based on the above problems, the applicant has improved the existing drum stone washing machine, aiming to achieve efficient, energy-saving and environmentally friendly stone cleaning functions, improve the cleaning quality of stone, and optimize resource utilization and operating environment. Utility Model Content

[0005] The utility model provides a drum-type stone washing device, which can solve the technical problems of low cleaning efficiency and poor cleaning quality of the existing stone washing machines.

[0006] This application provides the following technical solutions:

[0007] The drum-type stone washing equipment comprises a support, a drum arranged on the support and a driving mechanism for driving the drum to rotate, wherein the drum is arranged at an angle, and the discharge end is lower than the feed end, and both the discharge end and the feed end are opened; at least two complete spiral sheets are arranged on the inner wall of the drum along its length direction; an overflow area is arranged on the drum wall near the discharge end, and a plurality of overflow holes are arranged on the overflow area, and when the drum is not rotating, the overflow area is located at the upper part of the drum wall; a flushing pipe is also arranged at the feed end of the drum, and the flushing pipe extends into the interior of the drum from the opening of the feed end, and a plurality of water spray outlets are arranged on the circumference of the flushing pipe located inside the drum.

[0008] Beneficial effects:

[0009] 1. Enhanced cleaning efficiency: By arranging at least two complete spiral blades on the inner wall of the drum, it can better promote the tumbling and flow of materials in the drum, increase the mutual friction and collision between stones, and thus more effectively remove the dirt and impurities attached to the surface of the stones; at the same time, the presence of the spiral blades can also guide the material to move forward, improving the continuity and efficiency of the cleaning process.

[0010] 2. The overflow area is located on the drum wall near the discharge end, and a number of overflow holes are provided. When the drum rotates, the centrifugal force is used to quickly discharge the muddy water generated during the cleaning process, thereby avoiding the redeposition of mud and sand on the cleaned stones, thereby maintaining the cleaning quality; at the same time, compared with the existing full-section screen drum, the setting of the overflow area of ​​this application helps to adjust the liquid level inside the drum, control the recycling of cleaning water, and save water resources.

[0011] 3. By setting a number of water spray outlets on the flushing pipe and evenly distributing them around the flushing pipe, the stones in the drum can be fully sprayed and flushed. Compared with the existing flushing of stones from top to bottom, the flushing method of this application has no dead angles and improves the cleaning effect.

[0012] 4. The drum is tilted, and the discharge end is lower than the feed end. The effect of gravity is used to allow the cleaned material to slide smoothly from a high place to a low discharge end, reducing the risk of material blockage. At the same time, it also speeds up the natural drainage process of the cleaned material, improving the processing speed and stability of the equipment.

[0013] To summarize, this application achieves an efficient, energy-saving and environmentally friendly stone cleaning effect through the ingenious combination of the inclined design of the drum, multiple full-spiral inner walls, overflow areas and flushing pipes, improves the cleaning quality of the stone and optimizes resource utilization.

[0014] Furthermore, the overflow hole is a strip-shaped hole.

[0015] Beneficial effects: Strip holes can reduce the risk of sand and gravel blockage and improve water filtration efficiency.

[0016] Furthermore, three spiral sheets are evenly distributed on the inner wall of the drum.

[0017] Beneficial effects: It can more effectively stir the water and stone mixture, form a stronger water flow power, thereby accelerating the mutual friction between the stones and the contact with water, more thoroughly stripping the dirt and fine impurities on the surface of the stones, and improving the cleaning efficiency.

[0018] Furthermore, an outer cover of the overflow area on the drum is provided with a sewage recovery cover, the sewage recovery cover is fixed on the support through a bracket, and the bottom of the sewage recovery cover is a conical structure.

[0019] Beneficial effect: The sewage recovery cover can be set to block and guide the sewage flowing out from the overflow hole, so that it flows out along the bottom of the recovery cover, thereby preventing the sewage from polluting the surrounding working environment when it is thrown out.

[0020] Furthermore, the driving mechanism includes a variable frequency motor and a reducer, a connecting block is provided at the end of the discharging end of the roller, and a power output shaft of the reducer is fixedly connected to the middle of the connecting block.

[0021] Beneficial effects: Compared with the existing method of using large and small gear rings to mesh and drive the roller to rotate, the present application simplifies the transmission chain, reduces the large and small gear rings and other easily worn parts, reduces the maintenance cost and frequency, does not require regular inspection and replacement of gear rings, and reduces maintenance workload; in addition, the simplified transmission chain can also reduce operating noise, improve energy conversion efficiency, and reduce the space occupied by the transmission device.

[0022] Furthermore, the connecting block is located in the middle of the discharging end and is connected to the cylinder wall of the drum through an auxiliary bracket.

[0023] Beneficial effect: It is helpful to ensure the stability of transmission.

[0024] Furthermore, a reinforcement is provided inside the drum, and the reinforcement includes a radial shaft and a transverse shaft. The upper and lower ends of the radial shaft are fixed on the inner wall of the drum, and one end of the transverse shaft is connected to the radial shaft, and the other end is connected to the connecting block.

[0025] Beneficial effect: It is beneficial to improve the strength of the connecting block and further ensure the stability of the drum rotation.

[0026] Furthermore, limited support wheels are symmetrically arranged on both sides of the outer wall of the drum.

[0027] Furthermore, the water inlet of the flushing pipe is connected to a water supply pipe, and an electric valve is arranged on the water supply pipe.

[0028] Furthermore, it also includes a controller, which is electrically connected to the driving mechanism and the electric valve.

[0029] Beneficial effects: It is conducive to remote control through a controller or real-time adjustment according to the feed amount, for example, adjusting the speed of the motor and the amount of water sprayed to ensure the cleaning effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 This is a front view of the drum-type stone washing equipment of the utility model;

[0031] Figure 2 It is a schematic diagram of the internal structure of the drum-type stone washing equipment;

[0032] Figure 3 This is a schematic diagram of the discharge end of the drum (the spiral blades on the inner wall of the drum are omitted in the figure). DETAILED DESCRIPTION

[0033] The following is further described in detail through specific implementation methods:

[0034] The marks in the drawings in the specification include: support 1, limiting support wheel 10, support plate 11, roller 2, feed end 21, discharge end 22, drive mechanism 3, frequency conversion motor 31, reducer 32, spiral sheet 4, overflow area 5, overflow hole 51, sewage recovery cover 6, tapered part 61, flushing pipe 7, connecting block 8, auxiliary bracket 81, radial axis 91, and transverse axis 92.

[0035] Embodiment 1

[0036] like Figure 1 As shown, the drum-type stone washing equipment includes a support 1, a drum 2 arranged on the support 1, and a driving mechanism 3 for driving the drum 2 to rotate. The support 1 includes a bottom plate and a top plate, and the drum 2 is rotatably arranged on the top plate. Specifically, in this embodiment, the drum 2 is tilted, and the discharge end 22 is lower than the feed end 21. Both the discharge end 22 and the feed end 21 are opened. During actual installation, one end of the bottom plate of the support 1 can be raised, or a support seat can be set on the top plate to raise one end of the drum 2, so that the drum 2 is tilted. Figure 2 As shown, at least two complete spiral blades 4 are arranged on the inner wall of the drum 2 along its length direction. In order to improve the processing capacity and cleaning efficiency, three spiral blades 4 are evenly arranged on the inner wall of the drum 2 in this embodiment.

[0037] like Figure 2 As shown, an overflow area 5 is provided on the drum wall near the discharge end 22 of the drum 2, and a plurality of overflow holes 51 are provided on the overflow area 5. The overflow holes 51 are strip-shaped holes. When the drum 2 is not rotating, the overflow area 5 is located at the upper part of the drum wall. Figure 3 As shown, in this embodiment, a sewage recovery cover 6 is also provided on the outer side of the overflow area 5 provided on the drum 2, and a bracket is welded on the outer wall of the sewage recovery cover 6, and the bracket is fixed to the support 1 by bolts; more preferably, the bottom of the sewage recovery cover 6 is a conical structure, and a channel for the conical portion 61 to pass through is provided on the top plate of the support 1, and the bottom of the conical portion 61 is a sewage outlet; the sewage recovery cover 6 can block and guide the sewage flowing out of the overflow hole 51, so that it flows out along the bottom of the recovery cover, so as to avoid polluting the surrounding working environment when the sewage is thrown out.

[0038] like Figure 2As shown, the feed end 21 of the drum 2 is also provided with a flushing pipe 7, which extends from the opening of the feed end 21 into the interior of the drum 2, and the flushing pipe 7 is provided with a plurality of water spray outlets (not shown in the figure) on the circumferential direction of the drum 2; specifically, one end of the flushing pipe 7 located outside the drum 2 is fixedly supported by a bracket, and this end is a water inlet, and the water inlet of the flushing pipe 7 is threadedly connected to a water supply pipe, and an electric valve (not shown in the figure) is provided on the water supply pipe, and the water supply amount is controlled by adjusting the opening of the electric valve.

[0039] like Figure 2-3 As shown, a support plate 11 is also provided on the top plate of the support 1, and the driving mechanism 3 is installed on the supporting plate 11. The driving mechanism 3 of this embodiment includes a variable frequency motor 31 and a reducer 32; a connecting block 8 is provided at the end of the discharge end 22 of the drum 2, and the power output shaft of the reducer 32 is fixedly connected to the middle of the connecting block 8. Figure 1 As shown, limiting supporting wheels 10 are symmetrically arranged on both sides of the outer wall of the drum 2, and the rotating drum 2 is limited by the limiting supporting wheels 10 to improve the stability of operation.

[0040] Specific as Figure 3 As shown, the connecting block 8 is located in the middle of the discharge end 22 and is welded to the cylinder wall of the drum 2 through an auxiliary bracket 81, and the other end of the auxiliary bracket 81 is welded to the connecting block 8; Figure 2 As shown, in order to improve the strength of the connecting block 8, a reinforcement is arranged inside the discharge end 22 of the drum 2 in this embodiment, and the reinforcement includes a radial shaft 91 and a transverse shaft 92. The upper and lower ends of the radial shaft 91 are welded to the inner wall of the drum 2, and one end of the transverse shaft 92 is welded to the radial shaft 91, and the other end is welded to the connecting block 8.

[0041] Compared with the existing method of using large and small gear rings to mesh and drive the roller 2 to rotate, the drive mechanism 3 of the present application simplifies the transmission chain, reduces the large and small gear rings and other easily worn parts, reduces the maintenance cost and frequency, and does not require regular inspection and replacement of gear rings, thereby reducing the maintenance workload; in addition, the simplified transmission chain can also reduce operating noise, improve energy conversion efficiency, and reduce the space occupied by the transmission device.

[0042] The working process of the drum stone washing equipment is as follows:

[0043] When in use, the variable frequency motor 31 is started, and the variable frequency motor 31 is used to drive the reducer 32 to move, and the reducer 32 drives the drum 2 to rotate; feed from the feed end 21 of the drum 2, and open the electric valve on the water supply pipe, and use the water supply pump to deliver cleaning water to the flushing pipe 7, and the cleaning sand and gravel are sprayed out from the plurality of water spray ports on the flushing pipe 7. Under the rotation of the drum 2 and the pushing action of the spiral blade 4, the sand and gravel roll in the drum 2, increasing the mutual friction and collision between the stones, and the sand and gravel continuously flow in the drum 2 and are pushed out from the discharge end 22; wherein, the sand and gravel located at the discharge end 22 and a small amount of cleaning water flow out from the opening of the discharge end 22, and the remaining sewage flows out from the overflow hole 51 when the drum 2 rotates, and flows out from the conical bottom under the blocking and guiding action of the sewage recovery cover 6.

[0044] Embodiment 2

[0045] The difference between this embodiment and the first embodiment is that it also includes a controller, which can be a PLC controller, and the controller is electrically connected to the variable frequency motor 31 and the electric valve; it is conducive to remote control through the controller or real-time adjustment according to the feed amount, for example, adjusting the motor speed and the water spraying amount to ensure the cleaning effect.

[0046] The above is only an embodiment of the utility model. The utility model is not limited to the field involved in this implementation case. The common knowledge such as the known specific structure and characteristics in the scheme is not described in detail here. It should be pointed out that for those skilled in the art, several deformations and improvements can be made without departing from the structure of the utility model, which should also be regarded as the protection scope of the utility model, and these will not affect the effect of the implementation of the utility model and the practicality of the patent. The scope of protection required by this application shall be based on the content of its claims, and the specific implementation methods and other records in the specification can be used to interpret the content of the claims.

Claims

1. A drum-type stone washing device, comprising a support, a drum arranged on the support, and a driving mechanism for driving the drum to rotate, characterized in that: The drum is arranged at an angle, and the discharge end is lower than the feed end, and both the discharge end and the feed end are opened; at least two complete spiral sheets are arranged on the inner wall of the drum along its length direction; an overflow area is arranged on the drum wall near the discharge end of the drum, and a plurality of overflow holes are arranged on the overflow area, and when the drum is not rotating, the overflow area is located at the upper part of the drum wall; a flushing pipe is also arranged on the feed end of the drum, and the flushing pipe extends into the interior of the drum from the opening of the feed end, and a plurality of water spray outlets are arranged on the circumference of the flushing pipe located inside the drum.

2. The drum-type stone washing equipment according to claim 1 is characterized in that: The overflow hole is a strip-shaped hole.

3. The drum-type stone washing equipment according to claim 2 is characterized in that: Three spiral sheets are evenly distributed on the inner wall of the drum.

4. The drum-type stone washing equipment according to claim 3 is characterized in that: The outer cover of the overflow area on the drum is provided with a sewage recovery cover, the sewage recovery cover is fixed on the support through a bracket, and the bottom of the sewage recovery cover is a conical structure.

5. The drum-type stone washing equipment according to any one of claims 1 to 4, characterized in that: The driving mechanism comprises a variable frequency motor and a reducer, a connecting block is arranged at the end of the discharging end of the roller, and a power output shaft of the reducer is fixedly connected to the middle part of the connecting block.

6. The drum-type stone washing equipment according to claim 5, characterized in that: The connecting block is located in the middle of the discharging end and is connected to the cylinder wall of the drum through an auxiliary bracket.

7. The drum-type stone washing equipment according to claim 6 is characterized in that: A reinforcement is also provided inside the drum, comprising a radial shaft and a transverse shaft. The upper and lower ends of the radial shaft are fixed on the inner wall of the drum, one end of the transverse shaft is connected to the radial shaft, and the other end is connected to the connecting block.

8. The drum-type stone washing equipment according to claim 7 is characterized in that: Limiting supporting wheels are symmetrically arranged on both sides of the outer cylinder wall of the drum.

9. The drum-type stone washing equipment according to claim 8, characterized in that: The water inlet of the flushing pipe is connected with a water supply pipe, and an electric valve is arranged on the water supply pipe.

10. The drum-type stone washing equipment according to claim 9, characterized in that: It also includes a controller, which is electrically connected to the driving mechanism and the electric valve.

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