CN214813062U

CN214813062U - Coarse aggregate belt cleaning device

Info

Publication number: CN214813062U
Application number: CN202120696382.1U
Authority: CN
Inventors: 谷雷雷; 杨贝贝; 阳祝; 李忠; 杨茂友
Original assignee: CCCC First Highway Engineering Co Ltd; Haiwei Engineering Construction Co Ltd of FHEC of CCCC
Current assignee: CCCC First Highway Engineering Co Ltd; Haiwei Engineering Construction Co Ltd of FHEC of CCCC
Priority date: 2021-04-06
Filing date: 2021-04-06
Publication date: 2021-11-23
Anticipated expiration: 2031-04-06

Abstract

The utility model provides a coarse aggregate belt cleaning device relates to belt cleaning device technical field. The coarse aggregate cleaning device comprises a driving mechanism, a conveyor belt component and a spraying component; the driving mechanism is connected with the conveyor belt assembly and is used for driving the conveyor belt assembly to rotate; the conveyor belt component comprises a feeding end and a discharging end, and is used for conveying the coarse aggregate at the feeding end to the discharging end when rotating; the spraying assembly is fixed above the conveyor belt assembly and is used for spraying water to the coarse aggregates on the conveyor belt assembly. This coarse aggregate belt cleaning device utilizes conveyer belt subassembly and spray assembly can carry out the washing of large tracts of land to coarse aggregate, because the required power of conveyer belt subassembly only need overcome its and coarse aggregate between frictional force, therefore it is littleer to compare in the required power of cylinder mechanical cleaning mode, and it is littleer to consume energy to the conveyer belt subassembly need not use helical blade, therefore the loss is also less, and cost of maintenance is lower.

Description

Coarse aggregate belt cleaning device

Technical Field

The utility model belongs to the technical field of the belt cleaning device technique and specifically relates to a coarse aggregate belt cleaning device is related to.

Background

The coarse aggregate is produced by crushing and processing waste concrete, the surface of the coarse aggregate is wrapped by more dust which is not easy to fall off, the coarse aggregate needs to be washed by water, and the washed coarse aggregate can be used for recycled concrete.

The existing mode for cleaning the coarse aggregate is direct washing, wherein the direct washing is to wash the naturally stacked coarse aggregate directly by manpower, and a loader can be used for matching and turning in the washing process. However, direct rinsing is inefficient, takes a long time, and has a good surface cleaning effect but a poor internal cleaning effect.

In order to solve the problems, a mechanical cleaning mode can be adopted, the mechanical cleaning mode adopts a drum-type machine for cleaning, the drum-type machine comprises a drum capable of rotating and a helical blade installed in the drum, during cleaning, the drum rotates, coarse aggregate is fed from one end of the drum, and the helical blade pushes the coarse aggregate to advance, so that the coarse aggregate is discharged from the other end of the drum. During the rotation of the roller, the coarse aggregate in the roller can be cleaned by adding water or spraying water into the roller.

However, the drum-type machine needs to rotate the drum and the coarse aggregate inside the drum at the same time, so that the required power is large, the energy consumption is large, and the helical blade in the drum is easy to jam, so that the helical blade is serious in loss and high in maintenance cost.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a coarse aggregate belt cleaning device to alleviate the drum-type machinery that is used for wasing coarse aggregate who exists among the prior art and need make its cylinder and the inside coarse aggregate of cylinder rotate simultaneously, required power is great, and the power consumption is great, and the helical blade in the cylinder easily appears blocking the shell phenomenon, therefore the helical blade loss is more serious, the higher technical problem of maintenance cost.

In a first aspect, the utility model provides a coarse aggregate cleaning device, which comprises a driving mechanism, a conveyor belt component and a spraying component;

the driving mechanism is connected with the conveyor belt component and is used for driving the conveyor belt component to rotate; the conveyor belt component comprises a feeding end and a discharging end, and is used for conveying the coarse aggregate at the feeding end to the discharging end when rotating;

the spraying assembly is fixed above the conveyor belt assembly and used for spraying water to the coarse aggregates on the conveyor belt assembly.

In an alternative embodiment, the conveyor belt assembly further comprises a drain channel disposed below the conveyor belt assembly for receiving water and contaminants falling from the conveyor belt assembly.

In an optional embodiment, the device further comprises a primary sedimentation tank, wherein the primary sedimentation tank is arranged on one side of the drainage tank, and the tank opening of the primary sedimentation tank is not higher than the tank bottom of the drainage tank;

and a water outlet is formed in the side wall, close to the primary sedimentation tank, of the water drainage groove and penetrates through the bottom of the water drainage groove, so that water and impurities in the water drainage groove can flow into the primary sedimentation tank.

In an alternative embodiment, the drainage channel includes an initial wall proximate the feeding end of the conveyor belt assembly and a terminal wall proximate the discharging end of the conveyor belt assembly;

the groove bottom of the drainage groove is provided with a first inclined plane, and the first inclined plane is downwards inclined from the head side wall to the tail side wall of the drainage groove.

In an alternative embodiment, the bottom of the drainage channel is quadrilateral, and the drainage channel further comprises a left side wall and a right side wall between the head side wall and the tail side wall; the water outlet is arranged between the middle part of the left side wall and the tail side wall;

the drainage groove is characterized in that the groove bottom of the drainage groove is also provided with a second inclined plane, the projection of a connecting line between the connecting part between the right side wall and the tail side wall and the middle part of the left side wall on the groove bottom is the initial edge of the second inclined plane, the projection of the drainage outlet on the groove bottom is the final edge of the second inclined plane, and the second inclined plane inclines downwards from the initial edge to the final edge of the second inclined plane.

In an optional embodiment, one side of the primary sedimentation tank is provided with an intermediate sedimentation tank, and the top of the tank wall connecting the intermediate sedimentation tank and the primary sedimentation tank is provided with a first overflow port;

one side of the intermediate sedimentation tank is provided with a clean water tank, and a second overflow port is formed in the top of the tank wall formed by the clean water tank and the intermediate sedimentation tank which are connected with each other.

In an optional embodiment, a water pump is installed in the clean water tank, and the water pump is communicated with the spraying assembly through a pipeline.

In an alternative embodiment, one of the side walls of the primary settling tank is an inclined side wall, and the inclined side wall is inclined from the bottom to the mouth of the primary settling tank in a direction away from the interior of the primary settling tank.

In an alternative embodiment, the device further comprises a hopper, wherein the hopper is fixed above the conveyor belt assembly, and a discharge port of the hopper is arranged opposite to a feeding end of the conveyor belt assembly;

the hopper is internally provided with a sieve plate, and the sieve plate is used for sieving coarse aggregates.

In an alternative embodiment, the device further comprises a vibrator and a controller;

the vibrator is connected with the sieve plate and is used for driving the sieve plate to vibrate;

the controller is connected with the vibrator and used for controlling the starting and stopping of the vibrator and the vibration frequency.

The utility model provides a coarse aggregate belt cleaning device includes actuating mechanism, conveyer belt subassembly and spray assembly. The driving mechanism is connected with the conveyor belt assembly and is used for driving the conveyor belt assembly to rotate; the conveyer belt subassembly includes material loading end and unloading end, and the conveyer belt subassembly is used for carrying the coarse aggregate of its material loading end to the unloading end when rotating. The spraying assembly is fixed above the conveyor belt assembly and is used for spraying water to the coarse aggregates on the conveyor belt assembly. When the conveying belt assembly is used, coarse aggregate can be continuously fed to the feeding end of the conveying belt assembly, the driving mechanism is started simultaneously, and the coarse aggregate is conveyed to the discharging end from the feeding end of the conveying belt assembly through the driving mechanism and the conveying belt assembly. In the process of conveying the coarse aggregate, the coarse aggregate is in a state of being paved on the conveyor belt assembly, the spraying assembly is started at the moment, and the coarse aggregate paved on the conveyor belt assembly can be cleaned in a large area by the spraying assembly.

Compared with the prior art, the utility model provides a coarse aggregate belt cleaning device utilizes the conveyer belt subassembly can carry out the washing of large tracts of land to coarse aggregate, because the required power of conveyer belt subassembly only needs to overcome its and coarse aggregate between frictional force, therefore compare in current roller formula machinery, the required power of conveyer belt subassembly is littleer, and the power consumption is also littleer. And moreover, the conveyor belt assembly does not need to use a spiral blade, the loss is less, and the maintenance cost is lower.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a coarse aggregate cleaning device provided by an embodiment of the present invention;

fig. 2 is a cross-sectional view of a coarse aggregate cleaning device provided by an embodiment of the present invention;

FIG. 3 is a side perspective view of the coarse aggregate cleaning device of FIG. 2;

fig. 4 is another schematic structural diagram of the coarse aggregate cleaning device according to the embodiment of the present invention;

fig. 5 is a schematic structural view of a coarse aggregate cleaning device according to an embodiment of the present invention;

fig. 6 is a top view of a coarse aggregate cleaning device according to an embodiment of the present invention;

fig. 7 is a schematic structural view of a screen plate according to an embodiment of the present invention.

Icon: 1-a drive mechanism; 2-a conveyor belt assembly; 20-a feeding end; 21-a blanking end; 22-a conveyor belt; 23-a drive roller; 24-supporting rolls; 3-a spray assembly; 30-a pipeline; 300-main pipe; 301-branch conduits; 31-a spray head; 4-a scaffold; 40-support rods; 5-a drainage tank; 50-a water outlet; 51-a leading sidewall; 52-terminal side wall; 53-first inclined plane; 54-left sidewall; 55-right side wall; 56-second inclined plane; 6-a primary sedimentation tank; 60-a first overflow port; 61-sloped sidewalls; 7-an intermediate sedimentation tank; 70-a second overflow port; 8-a clean water tank; 80-a water pump; 9-a hopper; 90-sieve plate; 91-controller.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Some embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.

Example (b):

as shown in fig. 1 and 2, the coarse aggregate cleaning device provided in this embodiment includes a driving mechanism 1, a conveyor belt assembly 2, and a shower assembly 3. The driving mechanism 1 is connected with the conveyor belt assembly 2 and is used for driving the conveyor belt assembly 2 to rotate. The conveyor belt assembly 2 comprises a feeding end 20 and a discharging end 21, and the conveyor belt assembly 2 is used for conveying coarse aggregate at the feeding end 20 to the discharging end 21 when rotating. The spraying assembly 3 is fixed above the conveyor belt assembly 2 and is used for spraying water to the coarse aggregates on the conveyor belt assembly 2.

In use, coarse aggregate can be continuously fed to the feeding end 20 of the conveyor belt assembly 2, and simultaneously the driving mechanism 1 is started, and the coarse aggregate is conveyed from the feeding end 20 to the discharging end 21 of the conveyor belt assembly 2 by the driving mechanism 1 and the conveyor belt assembly 2. In the course of carrying the coarse aggregate, the coarse aggregate is in the state of paving on the conveyer belt subassembly 2, starts spray assembly 3 this moment, can utilize spray assembly 3 to carry out the washing of large tracts of land to the coarse aggregate who paves on conveyer belt subassembly 2.

Compared with the prior art, the coarse aggregate cleaning device provided by the embodiment can be used for cleaning coarse aggregates in a large area by utilizing the conveyor belt assembly 2, and because the power required by the conveyor belt assembly 2 only needs to overcome the friction force between the conveyor belt assembly and the coarse aggregates, compared with the existing roller type machinery, the power required by the conveyor belt assembly 2 is smaller, and the energy consumption is also smaller. Moreover, the conveyor belt assembly 2 does not need to use a spiral blade, the loss is smaller, and the maintenance cost is lower.

In the present embodiment, as shown in fig. 2, the conveyor belt assembly 2 may include a conveyor belt 22, two drive rollers 23, and a plurality of support rollers 24. The two driving rollers 23 are arranged in parallel, the plurality of supporting rollers 24 are arranged in parallel two by two, and the plurality of supporting rollers 24 are arranged between the two driving rollers 23. The conveyor belt 22 is looped over two drive rollers 23 and a plurality of support rollers 24.

The conveyor belt 22 is driven by the driving roller 23 and the driving mechanism 1 to rotate, so as to carry the coarse aggregate to move towards the blanking end 21 of the conveyor belt. Wherein, in order to guarantee the stability of coarse aggregate on conveyer belt 22, conveyer belt 22 can the level set up.

In practical application, the rotating speed of the conveyor belt 22 can be adjusted according to the square amount of the coarse aggregates and the continuous feeding speed of the coarse aggregates, so that the coarse aggregates are prevented from being stacked and pressed, and the problem that the cleaning efficiency is reduced due to the fact that cleaning is not in place or the coarse aggregates are too large in distance is avoided.

The coarse aggregate cleaning device provided by the embodiment can further comprise a support frame 4, wherein the two driving rollers 23 are rotatably mounted on the support frame 4, and the plurality of supporting rollers 24 can be rotatably mounted on the support frame 4 or fixed on the support frame 4.

Further, the driving mechanism 1 may also be mounted on the bracket 4, the driving mechanism 1 may be a motor, an output shaft of the driving mechanism 1 is connected to one of the driving rollers 23 for driving the driving roller 23 to rotate, so as to drive the conveyor belt 22 and the other driving roller 23 to rotate, and meanwhile, the plurality of supporting rollers 24 may be driven by the conveyor belt 22 to rotate.

The plurality of support rollers 24 serve to support the conveyor belt 22 and coarse aggregate on the conveyor belt 22, thereby improving the operational efficiency and operational stability of the conveyor belt assembly 2.

Wherein, the bracket 4 can be made of high-strength materials such as I-steel by welding.

As shown in fig. 1 and 2, the spray assembly 3 may include a pipe 30 and a plurality of spray heads 31. Wherein the duct 30 is a rigid duct 30 having a main duct 300 and a plurality of branch ducts 301, each branch duct 301 is fixed above the conveyor belt 22 of the conveyor belt assembly 2 at intervals, and one end of each branch duct 301 is communicated with the main duct 300 and the other end is closed. A plurality of nozzles 31 are installed at intervals on the pipe body of each branch pipe 301, and cleaning water can pass through the main pipe 300 and the branch pipes 301 in sequence to reach the nozzles 31 and be sprayed from the nozzles 31 onto the conveyor belt 22, so that coarse aggregates on the conveyor belt 22 can be cleaned.

In order to improve the installation stability of the branch pipe 301 and the spray head 31, a support bar 40 may be fixed on the frame 4, the support bar 40 is located at one side of the conveyor belt 22, the closed end of the branch pipe 301 is connected to the support bar 40, and the support bar 40 is used for supporting the branch pipe 301 and the spray head 31.

As shown in fig. 3 to 6, the coarse aggregate washing apparatus provided in the present embodiment may further include a drain tank 5, and the drain tank 5 is disposed below the conveyor belt assembly 2 to receive water and foreign substances falling from the conveyor belt assembly 2.

The drainage channel 5 is used for collecting sewage after cleaning coarse aggregate, and prevents sewage from overflowing to the outer side of the drainage channel 5, so that the environment is ensured to be clean and tidy. Moreover, the drainage channel 5 is convenient for recycling sewage, so as to avoid water resource waste.

Wherein the drain groove 5 may be provided only at a position corresponding to the shower assembly 3 below the conveyor belt 22 of the conveyor belt assembly 2. Also, the width of the drain groove 5 may be equal to or greater than the width of the conveyor belt 22.

When the width of the drainage channel 5 is equal to the width of the conveyor belt 22, a plurality of drainage holes may be provided at intervals on the conveyor belt 22 of the conveyor belt assembly 2 in order to effectively collect the sewage falling on the conveyor belt 22.

As shown in fig. 4, 5 and 6, the coarse aggregate cleaning device provided by the present embodiment further includes a primary sedimentation tank 6, the primary sedimentation tank 6 is disposed on one side of the drainage channel 5, and the mouth of the primary sedimentation tank 6 is not higher than the bottom of the drainage channel 5. A water discharge port 50 is provided on a side wall of the water discharge tank 5 adjacent to the primary sedimentation tank 6, and the water discharge port 50 penetrates to the bottom of the water discharge tank 5 so that water and impurities in the water discharge tank 5 can flow into the primary sedimentation tank 6.

The primary settling tank 6 serves to collect the sewage and impurities flowing out of the drainage tank 5 and can settle the impurities. After the impurities are precipitated, the water precipitated in the upper layer of the primary sedimentation tank 6 can be reused.

When the primary sedimentation tank 6 is provided, the sewage and impurities in the drainage tank 5 can be transferred to the primary sedimentation tank 6 having a larger volume. Since the primary sedimentation tank 6 is provided at one side of the water discharge tank 5 and the water discharge tank 5 is provided below the conveyor belt assembly 2, it is more convenient to clean the sewage and impurities in the primary sedimentation tank 6 than to clean the sewage and impurities in the water discharge tank 5.

As shown in fig. 4, the drain port 50 may be a notch cut in the side wall of the drain tank 5 from the notch to the bottom of the tank. In order to prevent the sewage and impurities in the drainage channel 5 from flowing out of the primary sedimentation tank 6, the length of the gap is preferably smaller than the length of the primary sedimentation tank 6 on the side close to the drainage port 50.

As shown in fig. 2, 4 and 5, the gutter 5 comprises an initial wall 51 and a final wall 52, the initial wall 51 being adjacent the feeding end 20 of the conveyor assembly 2 and the final wall 52 being adjacent the discharging end 21 of the conveyor assembly 2. The bottom of the drain groove 5 has a first inclined surface 53, and the first inclined surface 53 is inclined downward from the leading wall 51 to the trailing wall 52 of the drain groove 5.

The first inclined surface 53 serves to guide the contaminated water and impurities, so that the contaminated water and impurities in the drain tank 5 more easily flow from the first side wall 51 to the last side wall 52 of the drain tank 5, and thus easily flow into the primary sedimentation tank 6 through the drain opening 50.

As shown in fig. 3, 4 and 5, the bottom of the drain tank 5 is quadrangular, and the drain tank 5 further includes left and

right side walls

54 and 55 between the leading and trailing

side walls

51 and 52. The drain opening 50 is disposed between the middle of the left sidewall 54 to the end sidewall 52. The bottom of the drain tank 5 further has a second inclined surface 56, a projection of a line connecting a junction between the right side wall 55 and the end side wall 52 and a middle portion of the left side wall 54 on the bottom of the tank is a start edge of the second inclined surface 56, a projection of the drain port 50 on the bottom of the tank is a final edge of the second inclined surface 56, and the second inclined surface 56 is inclined downward from the start edge to the final edge thereof.

The second inclined surface 56 serves to further guide the sewage and foreign substances, so that the sewage and foreign substances reaching the distal wall 52 of the drain tank 5 easily flow into the primary sedimentation tank 6 through the drain opening 50.

As shown in fig. 2, 4, 5 and 6, an intermediate sedimentation tank 7 is disposed at one side of the primary sedimentation tank 6, and a first overflow port 60 is opened at the top of the tank wall connecting the intermediate sedimentation tank 7 and the primary sedimentation tank 6. One side of the intermediate sedimentation tank 7 is provided with a clean water tank 8, and the top of the tank wall interconnecting the clean water tank 8 and the intermediate sedimentation tank 7 is provided with a second overflow port 70.

The primary sedimentation tank 6 is used for carrying out primary sedimentation on the sewage and impurities after the coarse aggregate is cleaned; the first overflow port 60 is used for enabling the upper-layer moisture in the primary sedimentation tank 6 to flow into the intermediate sedimentation tank 7; the intermediate sedimentation tank 7 is used for carrying out secondary sedimentation on the sewage subjected to primary sedimentation so as to further separate and purify the sewage and impurities, and the quality of the upper-layer sewage in the intermediate sedimentation tank 7 is further improved and is approximately close to that of clear water; the second overflow port 70 is used to make the upper layer water in the intermediate sedimentation tank 7 flow into the clean water tank 8, and the sewage flowing into the clean water tank 8 at this time does not carry impurities basically due to the action of the primary sedimentation tank 6 and the intermediate sedimentation tank 7, and can be recycled.

Wherein, if for the quality of water of moisture in the further promotion clean water basin 8, middle sedimentation tank 7 can be a plurality of, and a plurality of middle sedimentation tanks 7 connect gradually, and an overflow mouth has been seted up at the top of interconnect's pool wall between two adjacent middle sedimentation tanks 7.

Further, as shown in fig. 2 and 3, a water pump 80 is installed in the clean water tank 8, and the water pump 80 is communicated with the spray assembly 3 through the pipe 30.

The water pump 80 is used for pumping the water which is precipitated for a plurality of times in the clean water tank 8 to the spraying assembly 3, so that the coarse aggregate can be cleaned by recycling the water, and the waste of water resources is effectively reduced.

As shown in fig. 2 and 5, one of the side walls of the primary sedimentation tank 6 is an inclined side wall 61, and the inclined side wall 61 is inclined from the bottom to the mouth of the primary sedimentation tank 6 in a direction away from the interior of the primary sedimentation tank 6.

The inclined side wall 61 of the primary sedimentation tank 6 facilitates workers to clean sediment in the primary sedimentation tank 6, thereby improving work efficiency.

As shown in fig. 1 to 6, the coarse aggregate cleaning device provided by the embodiment further includes a hopper 9, the hopper 9 is fixed above the conveyor belt assembly 2, and the discharge port of the hopper 9 is arranged opposite to the feeding end 20 of the conveyor belt assembly 2. As shown in fig. 6 and 7, a screen plate 90 is provided inside the hopper 9, and the screen plate 90 is used for screening coarse aggregate.

The hopper 9 facilitates the collection of coarse aggregate on the loading end 20 of the conveyor assembly 2, and in practice coarse aggregate may be fed into the hopper 9 by a loader or other loading device.

Hopper 9 can adopt the steel sheet processing preparation, because coarse aggregate hardness is higher, for promoting feed bin intensity, can set up stiffeners such as strengthening rib, back of the body are stupefied on the lateral wall of feed bin.

Wherein, be provided with a plurality of sieve meshes on the sieve 90, sieve 90 is used for keeping apart out the coarse aggregate that the particle diameter can not satisfy the recycled concrete requirement, prevents it to get into the material loading end 20 of conveyer belt subassembly 2. When the amount of coarse aggregate having a large particle size stacked on the sieve plate 90 is large, the coarse aggregate stacked on the sieve plate 90 can be cleaned manually.

In this embodiment, the sieve plate 90 may be made of steel plate, and the steel plate with an appropriate thickness may be selected according to the size of the hopper 9. The sizes of the sieve holes of the sieve plate 90 can be set according to the particle size requirement of the coarse aggregate so as to realize the particle size sieving of the coarse aggregate.

Further, the coarse aggregate cleaning device provided by the present embodiment may further include a vibrator and a controller 91. The vibrator is connected with the sieve plate 90 and is used for driving the sieve plate 90 to vibrate. The controller 91 is connected to the vibrator for controlling the start and stop of the vibrator and the vibration frequency.

The vibrator is used for driving the sieve plate 90 to vibrate, so that the sieve plate 90 can be prevented from being blocked by coarse aggregate, the speed of the coarse aggregate passing through the sieve plate 90 can be increased, and the feeding speed of the coarse aggregate can be increased.

The controller 91 is used for controlling the starting and stopping of the vibrator and the vibration frequency, so that the screening speed of the screen plate 90 can be adjusted, and the feeding speed of coarse aggregates can be adjusted. The controller 91 may be a programmable logic controller 91 or a single chip.

In summary, the coarse aggregate cleaning device provided by this embodiment can utilize the feed bin and the sieve plate 90 to convey the coarse aggregate meeting the particle size requirement to the conveyer belt 22, and can adjust the feeding speed by adjusting the vibration frequency of the sieve plate 90, and adjust the speed of conveying the coarse aggregate by adjusting the rotation speed of the conveyer belt 22. The conveyor belt 22 is used for horizontal feeding, and is matched with the spraying component 3 to spray water and wash in the feeding process, so that the continuous cleaning operation of coarse aggregate can be realized. The sewage after the flushing can be directly merged into the primary sedimentation tank 6, and the clear water after the sedimentation in the primary sedimentation tank 6 and the intermediate sedimentation tank 7 can be pumped into the spray assembly 3 by the water pump 80 for continuous spray flushing, so that the cyclic utilization of water resources can be realized.

The coarse aggregate belt cleaning device that this embodiment provided has following advantage:

(1) the conveyor belt assembly 2 and the driving mechanism 1 can save manpower and mechanical power, so that the cost can be reduced on the premise of improving the cleaning speed of coarse aggregates.

(2) The primary sedimentation tank 6, the intermediate sedimentation tank 7, the clean water tank 8 and the water pump 80 are matched with each other, so that the water resource can be recycled.

(3) The screen plate 90 can screen coarse aggregate and screen out a small amount of coarse aggregate which does not meet the requirements.

(4) The feeding speed of sieve 90 department can be adjusted through the vibrator, can adjust spraying speed through water pump 80, can adjust the speed of transporting coarse aggregate of conveyer belt 22 through actuating mechanism 1 to can adjust this coarse aggregate belt cleaning device to coarse aggregate's cleaning speed and cleaning performance.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. A coarse aggregate cleaning device is characterized by comprising a driving mechanism (1), a conveyor belt component (2) and a spraying component (3);

the driving mechanism (1) is connected with the conveyor belt assembly (2) and is used for driving the conveyor belt assembly (2) to rotate; the conveyor belt assembly (2) comprises a feeding end (20) and a discharging end (21), and the conveyor belt assembly (2) is used for conveying coarse aggregate at the feeding end (20) to the discharging end (21) when rotating;

the spraying assembly (3) is fixed above the conveyor belt assembly (2) and used for spraying water to the coarse aggregates on the conveyor belt assembly (2).

2. The coarse aggregate washing device according to claim 1, further comprising a drainage channel (5), wherein the drainage channel (5) is arranged below the conveyor belt assembly (2) for receiving water and impurities falling from the conveyor belt assembly (2).

3. The coarse aggregate cleaning device according to claim 2, characterized by further comprising a primary sedimentation tank (6), wherein the primary sedimentation tank (6) is arranged on one side of the drainage channel (5), and the mouth of the primary sedimentation tank (6) is not higher than the bottom of the drainage channel (5);

a water outlet (50) is arranged on the side wall of the drainage tank (5) close to the primary sedimentation tank (6), and the water outlet (50) penetrates through the bottom of the drainage tank (5) so that water and impurities in the drainage tank (5) can flow into the primary sedimentation tank (6).

4. Coarse aggregate washing device according to claim 3, characterized in that the drainage trough (5) comprises an initial wall (51) and a final wall (52), the initial wall (51) being close to the feeding end (20) of the conveyor belt assembly (2) and the final wall (52) being close to the blanking end (21) of the conveyor belt assembly (2);

the bottom of the drain groove (5) is provided with a first inclined surface (53), and the first inclined surface (53) is inclined downwards from a head side wall (51) to a tail side wall (52) of the drain groove (5).

5. The coarse aggregate washing device according to claim 4, characterized in that the bottom of the drainage channel (5) is quadrangular, the drainage channel (5) further comprising a left side wall (54) and a right side wall (55) between the leading side wall (51) and the trailing side wall (52); the drain opening (50) is arranged between the middle part of the left side wall (54) and the tail side wall (52);

the groove bottom of the drainage groove (5) is also provided with a second inclined surface (56), the projection of a connecting line between the connecting part of the right side wall (55) and the tail side wall (52) and the middle part of the left side wall (54) on the groove bottom is the starting edge of the second inclined surface (56), the projection of the drainage opening (50) on the groove bottom is the final edge of the second inclined surface (56), and the second inclined surface (56) inclines downwards from the starting edge to the final edge.

6. The coarse aggregate cleaning device according to claim 3, wherein an intermediate sedimentation tank (7) is arranged on one side of the primary sedimentation tank (6), and a first overflow port (60) is formed in the top of the tank wall connecting the intermediate sedimentation tank (7) and the primary sedimentation tank (6);

one side of the intermediate sedimentation tank (7) is provided with a clean water tank (8), and a second overflow port (70) is formed in the top of the tank wall formed by the mutual connection of the clean water tank (8) and the intermediate sedimentation tank (7).

7. The coarse aggregate cleaning device according to claim 6, characterized in that a water pump (80) is installed in the clean water tank (8), and the water pump (80) is communicated with the spray assembly (3) through a pipeline (30).

8. A coarse aggregate washing device according to claim 3, characterized in that one of the side walls of the primary settling tank (6) is an inclined side wall (61), and the inclined side wall (61) is inclined from the bottom to the mouth of the primary settling tank (6) in a direction away from the interior of the primary settling tank (6).

9. The coarse aggregate washing device according to any one of claims 1 to 8, further comprising a hopper (9), wherein the hopper (9) is fixed above the conveyor belt assembly (2), and wherein a discharge port of the hopper (9) is arranged opposite to a feeding end (20) of the conveyor belt assembly (2);

the hopper (9) is internally provided with a sieve plate (90), and the sieve plate (90) is used for sieving coarse aggregates.

10. The coarse aggregate washing device according to claim 9, further comprising a vibrator and a controller (91);

the vibrator is connected with the sieve plate (90) and is used for driving the sieve plate (90) to vibrate;

the controller (91) is connected with the vibrator and used for controlling the starting and stopping of the vibrator and the vibration frequency.