Sludge impurity separation device

By using conveyor belts and brush cleaning structures in the sludge treatment device, the problem of clogging in the screening device was solved, achieving efficient separation of sludge impurities and recovery of sand and gravel.

CN223875469UActive Publication Date: 2026-02-06FOSHAN UNIVERSITY
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Patent Information

Application Number
CN202423318768.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2026-02-06
Estimated Expiration
2034-12-31

AI Technical Summary

Technical Problem

Existing sludge treatment devices are prone to clogging during the screening process and are difficult to efficiently separate recyclable sand and gravel, affecting treatment efficiency.

Method used

Sludge screening is performed using a conveyor belt device. The conveyor belt is equipped with screen holes and driven by rollers. It has a chain plate structure to prevent clogging and improves separation efficiency by using an inclined design and brushes to clean impurities.

Benefits of technology

It achieves efficient sludge screening, avoids screen clogging, improves the efficiency and speed of sludge impurity separation, and ensures the recycling of sand and gravel.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a sludge impurity separation device, and belongs to the technical field of sludge treatment. The rack is provided with a containing box, the top of the containing box is provided with a feeding end, and the bottom of the containing box is provided with a first discharging end and a second discharging end; the conveying device comprises a first roller and a second roller which are rotationally installed in the containing box, the first roller and the second roller are jointly sleeved with a conveying belt, a plurality of screening holes are formed in the conveying belt, and the conveying device further comprises a first driving part which is installed on the machine frame and used for driving the first roller to rotate. Sludge falls onto the conveying belt from the feeding end, the conveying belt continuously transfers the sludge and screens the sludge, the sludge can be evenly laid on the conveying belt, the pouring speed of the sludge can be kept while screen holes are not prone to being blocked, and the sludge impurity separation efficiency is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a sludge treatment technical field, especially a kind of sludge impurity separation device. BACKGROUND

[0002] In the treatment of river and lake sludge, rain and sewage pipeline sludge and the like, a large amount of garbage and stone and the like impurities and other relatively difficult to peel substances are often contained in slurry, and a screen device is usually used to clean these sundries. Meanwhile, a large amount of sand that can be recycled is contained in the sludge, and the value of the recycled sand is relatively high. After being separated from large stones and garbage, relatively pure sand and stone with a size of less than 10 mm is obtained. If the screen holes of the screen device are too small, the speed of pouring the sludge will be slow, otherwise, the sludge will accumulate on the screen, and the screen will be easily blocked. SUMMARY

[0003] The utility model aims at providing a sludge impurity separation device to solve one or more technical problems existing in the prior art, and at least provide a beneficial choice or create conditions.

[0004] To solve the above technical problems, the technical scheme adopted is a sludge impurity separation device for separating impurities in sludge. The separation device comprises a rack provided with a containing box, the top of the containing box is provided with a feeding end, and the bottom is provided with a first discharging end and a second discharging end; a conveying device comprising a first roller and a second roller rotatably installed in the containing box, the first roller and the second roller are jointly provided with a conveying belt, a plurality of screen holes are formed in the conveying belt, the conveying device further comprises a first driving member installed on the rack and used to drive the first roller to rotate; after the sludge is poured from the feeding end and falls on one end of the conveying belt, the impurities are screened out during the conveying of the sludge to the other end of the conveying belt by the conveying belt, and the impurities are conveyed to the first discharging end for discharge; and the sludge passing through the screen holes is discharged from the second discharging end.

[0005] The technical scheme has at least the following beneficial effects: the sludge falls from the feeding end to the conveying belt, the conveying belt continuously conveys the sludge and screens the sludge, the sludge can be evenly laid on the conveying belt, the conveying belt can maintain the speed of pouring the sludge, and the efficiency of separating the sludge and impurities is improved.

[0006] As a further improvement of the above technical scheme, the conveying belt comprises a plurality of chain plates distributed side by side along the conveying direction, lugs are staggered between adjacent two chain plates, the lugs between adjacent two chain plates are embedded in each other and connected by a rotating shaft, the screen holes are formed in the chain plates, the first roller and the second roller are both provided with a sprocket, the two sprockets are jointly provided with a chain, and the plurality of chain plates are installed on the chain.

[0007] As a further improvement of the above technical solution, the conveying direction of the conveying belt is upwardly inclined.

[0008] As a further improvement of the above technical solution, the inclination angle of the conveying belt is between 5 degrees and 10 degrees.

[0009] As a further improvement of the above technical solution, the inlet end is provided with an inclined guide plate, which guides the poured sludge onto the conveying belt.

[0010] As a further improvement of the above technical solution, the first outlet end is provided with a brush that abuts against the conveying belt, and the brush removes impurities on the conveying belt and falls them to the first outlet end.

[0011] As a further improvement of the above technical solution, the accommodating box is provided with a third roller rotatably installed therein, the brush is installed on the outer periphery of the third roller, and the frame is provided with a second driving member for driving the third roller to rotate.

[0012] As a further improvement of the above technical solution, the second driving member comprises a second motor and a second speed reducer installed in the accommodating box, and the second motor drives the third roller to rotate through the second speed reducer.

[0013] As a further improvement of the above technical solution, the bottom of the accommodating box is downwardly inclined, and the second outlet end is located at the lowest end of the bottom of the accommodating box.

[0014] As a further improvement of the above technical solution, the first driving member comprises a first motor and a first speed reducer installed in the accommodating box, and the first motor drives the first roller to rotate through the first speed reducer. BRIEF DESCRIPTION OF DRAWINGS

[0015] The above and / or additional aspects and advantages of the present application will become apparent and more readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

[0016] Figure 1 is a schematic diagram of the overall structure of the embodiment of the present application;

[0017] Figure 2 is a schematic diagram of the side view structure of the embodiment of the present application;

[0018] Figure 3 is a schematic diagram of the top view structure of the embodiment of the present application;

[0019] Figure 4 is Figure 3 is an enlarged schematic diagram of position A in FIG. 4;

[0020] Figure 5The embodiment of the utility model discloses the inside structure schematic drawing of containing box.

[0021] 100, frame;110, containing box;120, feeding end;130, first discharging end;140, second discharging end;150, guide plate;210, first roller;220, second roller;230, conveying belt;231, chain plate;232, lug;240, sieve hole;300, first motor;310, first speed reducer;400, third roller;410, bristle;500, second motor;510, second speed reducer. DETAILED DESCRIPTION

[0022] The embodiments of the utility model are described in detail below, and the examples of the embodiments are shown in the drawings, wherein the same or similar signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary, only for explaining the utility model, and cannot be understood as the limitation of the utility model.

[0023] In the description of the utility model, it is understood that the orientation description, such as up, down, front, back, left, right and the like, is based on the orientation or positional relationship shown in the drawings, only for the convenience of describing the utility model and simplifying the description, and cannot be understood as the limitation of the utility model.

[0024] In the description of the utility model, the meaning of several is one or more, and the meaning of multiple is more than two, greater than, less than, more than and the like are not included in the number, above, below, within and the like are included in the number. If the first and the second are described, they are only used for distinguishing technical features for the purpose, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the sequence of indicated technical features.

[0025] In the description of the utility model, unless otherwise explicitly limited, the words such as setting, installing and connecting should be understood in a broad sense, and the person skilled in the art can reasonably determine the specific meaning of the above words in the utility model according to the specific content of the technical scheme.

[0026] Reference Figures 1-5The silt impurity separating device comprises a rack 100, support legs are installed at the bottom of the rack 100, the rack 100 is a certain height from the ground. A containing box 110 is fixedly installed at the top of the rack 100, an inlet end 120 is arranged at one side of the top of the containing box 110, the inlet end 120 can be used for pouring silt into the containing box 110. A first outlet end 130 is installed at one side of the bottom of the containing box 110, the first outlet end 130 can be used for sending out impurities such as garbage and large stones and the like screened out from the containing box 110. A second outlet end 140 is installed at the other side of the bottom wall of the containing box 110, the second outlet end 140 can be used for flowing out silt screened from the containing box 110.

[0027] A conveying device is installed in the containing box 110, the conveying device comprises a first roller 210 and a second roller 220. The first roller 210 is rotatably installed at one side of the inside of the containing box 110, the second roller 220 is rotatably installed at the other side of the inside of the containing box 110, and the first roller 210 and the second roller 220 are jointly sleeved with a conveying belt 230. The conveying device further comprises a first driving member, the first driving member is used for driving the first roller 210 to rotate, so that the conveying belt 230 moves, thereby realizing the conveying function. The second roller 220 also rotates in the process of assisting the conveying belt 230 to move. A plurality of sieve holes 240 are arranged on the conveying belt, the diameter of the sieve hole 240 is 10 mm.

[0028] One end of the conveying belt 230 is located below the inlet end 120, the other end of the conveying belt 230 is located above the first outlet end 130. When the silt is poured into the containing box 110 from the inlet end 120, the silt falls to one end of the conveying belt 230 and is conveyed to the other end of the conveying belt 230, and the small pure sand and stones pass through the sieve holes 240 of the conveying belt 230 and fall to the bottom wall of the containing box 110 and flow out of the containing box 110 from the second outlet end 140 for recycling.

[0029] The impurities screened out are conveyed to above the first outlet end 130 by the conveying belt 230, and fall under the action of gravity and flow out of the containing box 110 from the first outlet end 130 for treatment. The conveying belt 230 can continuously transfer the silt and screen the silt, the silt can be uniformly laid on the conveying belt 230, the sieve holes 240 are not easy to be blocked, the speed of pouring the silt can be maintained, and the efficiency of separating the silt and impurities is improved. The first outlet end 130 is in the form of a funnel as a whole, so as to better collect the impurities screened out.

[0030] Further, the conveying belt 230 is composed of a plurality of chain plates 231 which are distributed side by side along the conveying direction of the conveying belt 230. The chain plates 231 are provided with lugs 232 on both sides, the lugs 232 between adjacent two chain plates 231 are staggered and embedded with each other, the embedded lugs 232 are connected by rotating shafts, so that the adjacent two chain plates 231 are connected by rotating shafts and lugs, and the conveying belt 230 composed of a plurality of chain plates 231 can smoothly move along the outer periphery of the first roller 210 and the second roller 220. The screen holes 240 are opened on the chain plates 231, and the chain plates 231 are made of metal materials such as stainless steel, with long service life.

[0031] The first roller 210 is provided with a sprocket at both ends, and the second roller 220 is also provided with a sprocket at both ends. The sprockets of the first roller 210 and the second roller 220 on the same side are jointly provided with a chain, and the two ends of the chain plate 231 are connected to the chain on the corresponding side. Thus, the rotation of the first roller 210 can drive the conveying belt 230 to convey.

[0032] The end of the conveying belt 230 close to the inlet end 120 is lower than the end close to the first outlet end 130, so that the conveying direction of the conveying belt 230 is inclined upward, and the angle between the upward inclined conveying direction of the conveying belt 230 and the horizontal plane is between 5 degrees and 10 degrees. The upward inclined conveying direction of the conveying belt 230 can make the sludge on the conveying belt 230 have a certain fluidity, so as to improve the screening capacity of the sludge.

[0033] Further, a guide plate 150 is installed at the position close to the inlet end 120 of the containing box 110. The bottom of the guide plate 150 is inclined towards the end close to the conveying belt 230, so that the vertically poured sludge can be inclined to flow onto the conveying belt 230 under the guide of the guide plate 150.

[0034] Further, a third roller 400 is rotatably installed at the position close to the first outlet end 130 of the containing box 110, and the outer periphery surface of the third roller 400 is covered with bristles 410 which abut against the bottom position of the end of the conveying belt 230 close to the first outlet end 130. The rack 100 is provided with a second driving member which can drive the third roller 400 to rotate, and the outer peripheral direction of the third roller 400 is opposite to the outer peripheral direction of the conveying belt 230, so that the bristles 410 can brush away the impurities remaining on the surface of the conveying belt 230.

[0035] The impurities adhering to the conveying belt 230 are brushed away by the bristles 410, so that the impurities on the conveying belt 230 can be smoothly discharged from the first outlet end 130, and at the same time, the bristles 410 can also dredge the screen holes 240 on the conveying belt 230, so as to ensure the screening function of the conveying belt 230 and reduce the blocking condition.

[0036] In other embodiments, the bristles 410 can also be fixed side by side on the cross bar installed on the side wall of the containing box 110, and the bristles 410 abut against the conveying belt 230, so that the impurities can also be brushed away by the bristles 410 during the conveying process of the conveying belt 230.

[0037] The bottom wall of the containing box 110 is downwardly inclined towards the side of the inlet end 120, and the bottom wall of the containing box 110 is provided with a collection platform on the side close to the inlet end 120, and the second outlet end 140 is located on the collection platform. After the sludge is screened through the screen holes 240 on the conveying belt 230, it falls to the bottom wall of the containing box 110 and is guided to the collection platform, and then flows out from the second outlet end 140, so that the screened sludge can be quickly collected.

[0038] The first driving member includes a first motor 300 and a first speed reducer 310. The first motor 300 is installed at the top of the containing box 110, the input end of the first speed reducer 310 is connected with the output end of the first motor 300, and the output end of the first speed reducer 310 is connected with the first roller 210, so that the first speed reducer 310 can realize the function of speed reduction and torque increase, improve the driving capacity of the first motor 300, and guarantee the conveying capacity of the conveying belt 230. The first speed reducer 310 can be a synchronous wheel speed reducer.

[0039] The second driving member includes a second motor 500 and a second speed reducer 510. The second motor 500 is installed at the top of the containing box 110, the input end of the second speed reducer 510 is connected with the output end of the second motor 500, and the output end of the second speed reducer 510 is in transmission connection with the third roller 400, so that the second speed reducer 510 can realize the function of speed reduction and torque increase, improve the driving capacity of the second motor 500, and guarantee the brushing capacity of the bristles 410. The second speed reducer 510 can be a synchronous wheel speed reducer.

[0040] In actual use, the device has high quality of separated sludge, high separation efficiency of plastic bags, silk, branches and stones in the sludge, and no garbage residue in the chain plate 231 during operation. The device has low running noise and is easy to maintain without manual attendance.

[0041] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the above embodiments, and various changes can be made within the knowledge range of ordinary skilled persons in the technical field without departing from the purpose of the utility model.

Claims

1. A sludge impurity separation apparatus, characterized by, The application relates to a device for separating impurities in sludge, which comprises: a frame, a containing box is installed on the frame, the top of the containing box is provided with an inlet end, and the bottom of the containing box is provided with a first outlet end and a second outlet end; a conveying device, which comprises a first roller and a second roller that are rotatably installed in the containing box, a conveying belt is sleeved on the first roller and the second roller, a plurality of screen holes are formed in the conveying belt, the first driving member is installed on the frame and used for driving the first roller to rotate, sludge is poured into the inlet end and then falls on one end of the conveying belt, impurities are separated in the process of being conveyed to the other end of the conveying belt, the impurities are conveyed to the first outlet end and discharged, and sludge that passes through the screen holes is discharged from the second outlet end; the conveying belt comprises a plurality of chain plates that are distributed side by side along a conveying direction, lugs are staggered between two adjacent chain plates, the lugs between the two adjacent chain plates are embedded in each other and are rotatably connected through a rotating shaft, the screen holes are formed in the chain plates, the first roller and the second roller are both installed with chain wheels, the two chain wheels are jointly sleeved with a chain, and the plurality of chain plates are installed on the chain; the conveying direction of the conveying belt is upwardly and obliquely arranged; and the inclination angle of the conveying belt is between 5 degrees and 10 degrees.

2. The device for separating sludge impurities according to claim 1, characterized in that: the inlet end is installed with an obliquely arranged guide plate, and the guide plate guides the poured sludge to flow onto the conveying belt.

3. The device for separating sludge impurities according to claim 1, characterized in that: the first outlet end is installed with bristles that abut against the conveying belt, and the bristles brush the impurities on the conveying belt to fall to the first outlet end.

4. The device for separating sludge impurities according to claim 3, characterized in that: a third roller is rotatably installed in the containing box, the bristles are installed on the outer periphery of the third roller, and the frame is installed with a second driving member that is used for driving the third roller to rotate.

5. The device of claim 4, wherein: the second driving member comprises a second motor and a second speed reducer that are installed on the containing box, and the second motor drives the third roller to rotate through the second speed reducer.

6. The device for separating sludge impurities according to claim 1, characterized in that: the bottom of the containing box is obliquely arranged downward, and the second outlet end is located at the lowest end position of the bottom of the containing box.

7. The device for separating sludge impurities according to claim 1, characterized in that: the first driving member comprises a first motor and a first speed reducer that are installed on the containing box, and the first motor drives the first roller to rotate through the first speed reducer.