Municipal sludge pretreatment device

The eccentric wheel and spring combination agitation mechanism prevents clogging of the sludge pretreatment device, and the screw and spring combination pressure plate adjustment mechanism regulates the pressure, solving the problems of device clogging and pressure fixation, thus improving processing efficiency and practicality.

CN223723001UActive Publication Date: 2025-12-26GAOAN HONGSHI CEMENT CO LTD
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Patent Information

Application Number
CN202520046135.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-09
Publication Date
2025-12-26
Estimated Expiration
2035-01-09

AI Technical Summary

Technical Problem

Existing sludge pretreatment devices are prone to clogging and cannot regulate pressure, affecting work efficiency and applicability.

Method used

An agitation mechanism combining an eccentric wheel and a spring is used to prevent blockage, and a pressure adjustment mechanism combining a screw and a spring is used to regulate the pressure.

Benefits of technology

This technology prevents clogging, improves feeding smoothness and processing efficiency, reduces costs, and enhances the practicality and applicability of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a municipal sludge pretreatment device, which is applied to the field of sludge treatment and is characterized in that a first motor rotates to enable an eccentric wheel to drive a roller to move, the roller moves to drive a sliding rod to move, the sliding rod moves to drive a disturbance head to move, and the roller clings to the surface of the eccentric wheel under the action of a first spring; according to the utility model, the eccentric wheel rotates to drive the roller to move up and down, so that the sliding rod drives the disturbance head to move up and down, and the sludge is disturbed, so that the purpose of preventing blockage can be achieved, smooth feeding is ensured, and the treatment efficiency is improved; the sliding block moves to drive the transmission block to move, the transmission block moves to drive the sliding plate to move, the sliding plate moves to change the elasticity of the second spring, and the elasticity of the second spring is changed to enable the pressing plate to press the cover plate, so that the purpose of adjusting the pressure of the pressing plate can be achieved, the treatment cost is reduced, and the practicability and the applicability are improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of sludge treatment, especially to a city sludge pretreatment device. BACKGROUND

[0002] Through searching Chinese patent, the publication number is: CN206109179U, a bagged oily sludge pretreatment device, including motor, variable pitch screw rod and shell, the output shaft of motor is connected with variable pitch screw rod, the middle section of variable pitch screw rod is equipped with short pitch spiral piece, the shell around short pitch spiral piece is sieve hole shell, sieve hole shell is equipped with sieve hole that is uniformly distributed on circumference, sieve hole shell is located in liquid collecting tank, round hole is equipped on liquid collecting tank, liquid outlet is equipped below liquid collecting tank;The top of shell is equipped with feed inlet, feed inlet is located at the left end of variable pitch screw rod, the bottom of shell is equipped with discharge outlet, discharge outlet is located at the right end of variable pitch screw rod;Discharge outlet is height adjustable discharge outlet;Round hole of liquid collecting tank is equipped with sealing ring.The beneficial effects of the utility model are: simple structure, reasonable design, simple operation, good treatment effect, low cost, economic and suitable.

[0003] The existing pretreatment device does not have the anti-blocking function, generally the pretreatment device is loaded through the feeding hopper, the shape of the feeding hopper is funnel-shaped, when loading, due to the certain viscosity of the sludge, the bottom of the feeding hopper is easily blocked, which affects the normal treatment work and reduces the work efficiency, is inconvenient to use, and the pressure of the pressing plate cannot be adjusted, the pressure of the pressing plate of the general pretreatment mechanism is fixed, which causes the fixed pressure of the sludge extrusion, so that the dryness and moisture of the sludge dewatering is fixed, it is difficult to adjust the dryness and moisture of the dewatering according to the needs, if the sludge needs to be treated into different dryness and moisture, the device needs to be replaced, which increases the treatment cost and reduces the practicality and applicability, in order to solve the above problems, the city sludge pretreatment device is provided. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a city sludge pretreatment device, which has the advantages of anti-blocking function and adjustable pressure of the pressing plate.

[0005] The utility model discloses a technical purpose above is realized through the following technical scheme: a kind of urban sludge pretreatment device, including shell, the bottom of the shell is bolted with support leg, the inside of the shell is provided with extruding dewatering mechanism, the top of the shell is connected with feed hopper, the inner wall between the feed hopper is bolted with support plate, the top of the support plate is bolted with fixed shell, the surface of the fixed shell is bolted with first motor, the output of the first motor extends to the inside of fixed shell and is fixed with eccentric wheel with sleeve, the surface of the eccentric wheel is in contact with the roller, the bottom of the roller is bolted with slide rod, and slide rod and the inner wall of support plate are slidably sleeved, the bottom of the slide rod is bolted with disturbance head, the surface of the slide rod is fixed with limit plate with sleeve, first spring is arranged between the limit plate and support plate, and first spring is sleeved on the surface of slide rod.

[0006] The above technical scheme is adopted, the eccentric wheel is driven to move by the rotation of the first motor, the roller is moved by the movement of the eccentric wheel, the slide rod is moved by the movement of the roller, and the disturbance head is moved by the movement of the slide rod. The roller is tightly attached to the surface of the eccentric wheel under the action of the first spring. The rotation of the eccentric wheel moves the roller up and down, so that the slide rod drives the disturbance head to move up and down. The disturbance mode of the sludge can prevent clogging, ensure smooth feeding, and improve the processing efficiency.

[0007] The utility model further sets up: the surface of the shell is bolted with fixed frame, the inner wall of the fixed frame is fixed with fixed shaft with sleeve, the surface of the fixed shaft is penetrated and is provided with pressing plate, the surface of the fixed shaft is slidably sleeved with sliding plate, second spring is arranged between the sliding plate and the pressing plate, and the second spring is sleeved on the surface of the fixed shaft, the inside of the fixed shaft is provided with sliding groove, the inner wall of the sliding groove is rotatably sleeved with screw rod, the surface of the screw rod is threadedly connected with sliding block, and the sliding block is slidably connected with the inner wall of the sliding groove, the surface of the sliding block is bolted with transmission block, and the transmission block is bolted with the inner wall of the sliding plate.

[0008] The above technical scheme is adopted, the eccentric wheel is driven to move by the rotation of the first motor, the roller is moved by the movement of the eccentric wheel, the slide rod is moved by the movement of the roller, and the disturbance head is moved by the movement of the slide rod. The roller is tightly attached to the surface of the eccentric wheel under the action of the first spring. The rotation of the eccentric wheel moves the roller up and down, so that the slide rod drives the disturbance head to move up and down. The disturbance mode of the sludge can prevent clogging, ensure smooth feeding, and improve the processing efficiency.

[0009] The utility model further sets up: the extruding dewatering mechanism includes second motor, the surface of the shell is bolted with the second motor, the output of the second motor extends to the inside of the shell and is connected with auger through shaft coupling, the inner wall between the shell is bolted with filter screen.

[0010] By setting the extrusion dehydration mechanism, the second motor drives the auger to rotate, the auger continuously transports the sludge to the right side, when the sludge moves to the pressing plate and is extruded by the pressing plate, the water in the sludge is extruded, the extruded water is filtered through the filter screen and is discharged through the drain valve, and thus, dehydration is facilitated.

[0011] The utility model further sets up: the surface of fixed shell and shell is bolted with protection shell, and first motor and second motor all are located inside protection shell.

[0012] The utility model adopts the technical scheme, through setting protection shell, protect first motor and second motor.

[0013] The utility model further sets up: the inner wall between feeding hopper is bolted with support frame, and the inner wall of support frame and the surface of slide rod are slidably connected.

[0014] The utility model adopts the technical scheme, through setting support frame, the slide rod is fixed, and the stability of slide rod is guaranteed.

[0015] The utility model further sets up: one end of screw rod is bolted with rotating head.

[0016] The utility model adopts the technical scheme, through setting rotating head, the screw rod is conveniently rotated.

[0017] The utility model further sets up: the inner wall between shell is bolted with cover plate, and the bottom of cover plate is connected with drain valve.

[0018] The utility model adopts the technical scheme, through setting cover plate and drain valve, and water is conveniently drained.

[0019] The utility model further sets up: the bottom of support leg is bolted with backing plate.

[0020] The utility model adopts the technical scheme, through setting backing plate, the stability of device is improved.

[0021] In conclusion, the utility model has the advantages of the following:

[0022] 1. The utility model moves the roller by the rotation of the first motor, moves the slide rod by the roller, moves the disturbance head by the slide rod, and makes the roller move up and down under the action of the first spring, so that the slide rod moves the disturbance head up and down, the disturbance mode of the sludge can prevent the blockage, ensure the smooth feeding, and improve the processing efficiency.

[0023] 2. The utility model discloses a mode that the screw rod is rotated through the rotation of the rotating head, the screw rod rotation drives the sliding block to remove, the sliding block removal drives the transmission block to remove, the transmission block removal drives the sliding plate to remove, the sliding plate removal makes the elasticity of second spring change, and the elasticity of second spring changes the mode that the pressure of pressing plate changes, can reach the purpose that the pressure of pressing plate is adjusted, has reduced the cost of processing, improved practicality and applicability. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is the structure perspective drawing of the utility model;

[0025] Figure 2 It is the structure section view of the utility model;

[0026] Figure 3 It is the partial structure side view section of the utility model;

[0027] Figure 4 It is the structure perspective drawing of the utility model Figure 2 Enlarged view of structure in A place.

[0028] Fig. 1, shell; 2, support leg; 3, extrusion dewatering mechanism; 4, feed hopper; 5, support plate; 6, fixed shell; 7, first motor; 8, eccentric wheel; 9, gyro wheel; 10, sliding rod; 11, disturbance head; 12, limit plate; 13, first spring; 14, fixed frame; 15, fixed shaft; 16, pressing plate; 17, sliding plate; 18, second spring; 19, sliding groove; 20, screw rod; 21, sliding block; 22, transmission block; 23, second motor; 24, auger; 25, filter screen; 26, protection shell; 27, support frame; 28, rotating head; 29, cover plate; 30, drain valve; 31, pad plate. DETAILED DESCRIPTION

[0029] The utility model will be further explained in detail in connection with the drawings.

[0030] Example 1:

[0031] Reference Figure 1 , Figure 2 and Figure 3The utility model provides a kind of urban sludge pretreatment device, including shell 1, the bottom of shell 1 is bolted with support leg 2, the inside of shell 1 is provided with extrusion dewatering mechanism 3, the top of shell 1 is communicated with feed hopper 4, the inner wall between feed hopper 4 is bolted with support plate 5, the top of support plate 5 is bolted with fixed shell 6, the surface of fixed shell 6 is bolted with first motor 7, the output of first motor 7 extends to the inside of fixed shell 6 and is fixed with eccentric wheel 8, the surface of eccentric wheel 8 is provided with gyro wheel 9, the bottom of gyro wheel 9 is bolted with slide rod 10, and slide rod 10 is slidably connected with the inner wall of support plate 5, the bottom of slide rod 10 is bolted with disturbance head 11, the surface of slide rod 10 is fixed with limit plate 12, first spring 13 is arranged between limit plate 12 and support plate 5, and first spring 13 is arranged on the surface of slide rod 10, rotate by first motor 7 to make eccentric wheel 8 drive gyro wheel 9 to move, gyro wheel 9 moves to drive slide rod 10 to move, slide rod 10 moves to drive disturbance head 11 to move, gyro wheel 9 is tightly attached to the surface of eccentric wheel 8 under the action of first spring 13, and eccentric wheel 8 rotates to make gyro wheel 9 move up and down, so that slide rod 10 drives disturbance head 11 to move up and down, the mode of sludge disturbance can prevent blockage, ensure the smooth feeding and improve the processing efficiency.

[0032] Reference Figure 2 , extrusion dewatering mechanism 3 includes second motor 23, the surface of second motor 23 is bolted with shell 1, the output of second motor 23 extends to the inside of shell 1 and is connected with auger 24 by shaft coupling, the inner wall between shell 1 is bolted with filter screen 25, by setting extrusion dewatering mechanism 3, second motor 23 rotates to drive auger 24 to rotate, auger 24 rotates to continuously transport sludge to the right side, when sludge moves to pressing plate 16 and is extruded with pressing plate 16, the water in sludge is extruded, and the extruded water is filtered through filter screen 25 and is discharged through drain valve 30, facilitating dewatering.

[0033] Reference Figure 2 And Figure 3 , the surface of fixed shell 6 and shell 1 is bolted with protection shell 26, and first motor 7 and second motor 23 are located in the inside of protection shell 26, by setting protection shell 26, first motor 7 and second motor 23 are protected.

[0034] Reference Figure 2 And Figure 3 , the inner wall between feed hopper 4 is bolted with support frame 27, and the inner wall of support frame 27 is slidably connected with the surface of slide rod 10, by setting support frame 27, slide rod 10 is fixed, to ensure that slide rod 10 is stable.

[0035] Example 2:

[0036] Reference Figure 1 、 Figure 2 And Figure 4The surface of the shell 1 is bolted with a fixing frame 14, the inner wall of the fixing frame 14 is fixedly sleeved with a fixing shaft 15, the surface of the fixing shaft 15 is provided with a pressing plate 16 in penetration, the surface of the fixing shaft 15 is slidably sleeved with a sliding plate 17, the second spring 18 is arranged between the sliding plate 17 and the pressing plate 16, and the second spring 18 is sleeved on the surface of the fixing shaft 15, the inner portion of the fixing shaft 15 is provided with a sliding groove 19, the inner wall of the sliding groove 19 is rotatably sleeved with a screw rod 20, the surface of the screw rod 20 is threadedly connected with a sliding block 21, and the sliding block 21 is slidably connected with the inner wall of the sliding groove 19, the surface of the sliding block 21 is bolted with a transmission block 22, and the transmission block 22 is bolted with the inner wall of the sliding plate 17, the screw rod 20 is rotated by rotating the rotating head 28, the screw rod 20 is driven to move by the rotating, the sliding block 21 is driven to move by the moving of the sliding block 21, the transmission block 22 is driven to move by the moving of the sliding block 21, the sliding plate 17 is driven to move by the moving of the transmission block 22, the elasticity of the second spring 18 is changed by the moving of the sliding plate 17, the pressure of the pressing plate 16 is changed by the elasticity of the second spring 18, the purpose of adjusting the pressure of the pressing plate 16 is achieved, the processing cost is reduced, and the practicality and applicability are improved.

[0037] Reference Figure 1 And Figure 4 One end of the screw rod 20 is bolted with a rotating head 28, and the rotating head 28 is arranged to facilitate the rotation of the screw rod 20.

[0038] Reference Figure 2 The inner wall of the shell 1 is bolted with a cover plate 29, and the bottom of the cover plate 29 is communicated with a drain valve 30, and the cover plate 29 and the drain valve 30 are arranged to facilitate drainage.

[0039] Reference Figure 1 And Figure 2 The bottom of the supporting leg 2 is bolted with a pad 31, and the pad 31 is arranged to improve the stability of the device.

[0040] The use process is briefly described: the first motor 7 is rotated to drive the eccentric wheel 8 to rotate, the eccentric wheel 8 is rotated to drive the roller 9 to move, the roller 9 is moved to drive the sliding rod 10 to move, the sliding rod 10 is moved to drive the disturbance head 11 to move, the roller 9 is tightly attached to the surface of the eccentric wheel 8 under the action of the first spring 13, the eccentric wheel 8 is rotated to move the roller 9 up and down, so that the sliding rod 10 drives the disturbance head 11 to move up and down, the sludge is disturbed, and the purpose of preventing blockage is achieved; the rotating head 28 is rotated, the rotating head 28 is rotated to drive the screw rod 20 to rotate, the screw rod 20 is rotated to drive the sliding block 21 to move, the sliding block 21 is moved to drive the transmission block 22 to move, the transmission block 22 is moved to drive the sliding plate 17 to move, the elasticity of the second spring 18 is changed by the moving of the sliding plate 17, the pressure of the pressing plate 16 is changed by the elasticity of the second spring 18, and the purpose of adjusting the pressure of the pressing plate 16 is achieved.

[0041] The specific embodiment is only an explanation of the utility model, and is not a limitation of the utility model, and a modification without creative contribution can be made to the embodiment according to needs by a person skilled in the art after reading the specification, but as long as the modification is within the scope of the claims of the utility model, the utility model is protected by the patent law.

Claims

1. A device for the pretreatment of municipal sludge, comprising a housing (1), characterized in that The bottom of the shell (1) is bolted with support legs (2), the inside of the shell (1) is provided with an extrusion dehydration mechanism (3), the top of the shell (1) is communicated with a feeding hopper (4), the inner wall of the feeding hopper (4) is bolted with a support plate (5), the top of the support plate (5) is bolted with a fixed shell (6), the surface of the fixed shell (6) is bolted with a first motor (7), the output end of the first motor (7) extends to the inside of the fixed shell (6) and is fixedly sleeved with an eccentric wheel (8), the surface of the eccentric wheel (8) is provided with a roller (9), the bottom of the roller (9) is bolted with a sliding rod (10), and the sliding rod (10) is slidably sleeved with the inner wall of the support plate (5), the bottom of the sliding rod (10) is bolted with a disturbance head (11), the surface of the sliding rod (10) is fixedly sleeved with a limiting plate (12), the first spring (13) is arranged between the limiting plate (12) and the support plate (5), and the first spring (13) is sleeved on the surface of the sliding rod (10).

2. A device for the pretreatment of municipal sludge according to claim 1, characterized in that The surface of the shell (1) is bolted with a fixed frame (14), the inner wall of the fixed frame (14) is fixedly sleeved with a fixed shaft (15), the surface of the fixed shaft (15) is provided with a pressing plate (16), the surface of the fixed shaft (15) is slidably sleeved with a sliding plate (17), the second spring (18) is arranged between the sliding plate (17) and the pressing plate (16), and the second spring (18) is sleeved on the surface of the fixed shaft (15), the inside of the fixed shaft (15) is provided with a sliding groove (19), the inner wall of the sliding groove (19) is rotatably sleeved with a screw rod (20), the surface of the screw rod (20) is threadedly connected with a sliding block (21), and the sliding block (21) is slidably connected with the inner wall of the sliding groove (19), the surface of the sliding block (21) is bolted with a transmission block (22), and the transmission block (22) is bolted with the inner wall of the sliding plate (17).

3. The urban sludge pre-treatment device according to claim 1, characterized in that, The extrusion dehydration mechanism (3) comprises a second motor (23), the surface of the second motor (23) is bolted with the shell (1), the output end of the second motor (23) extends to the inside of the shell (1) and is connected with an auger (24) through a shaft coupling, and the inner wall of the shell (1) is bolted with a filter screen (25).

4. A device for the pretreatment of municipal sludge according to claim 3, characterized in that The surfaces of the fixed shell (6) and the shell (1) are bolted with a protective shell (26), and the first motor (7) and the second motor (23) are located in the inside of the protective shell (26).

5. The urban sludge pre-treatment device according to claim 1, characterized in that, The inner wall of the feeding hopper (4) is bolted with a support frame (27), and the inner wall of the support frame (27) is slidably sleeved with the surface of the sliding rod (10).

6. A device for the pretreatment of municipal sludge according to claim 2, characterized in that One end of the screw rod (20) is bolted with a rotating head (28).

7. The device for pretreatment of municipal sludge according to claim 1, characterized in that The inner wall of the shell (1) is bolted with a cover plate (29), and the bottom of the cover plate (29) is communicated with a drain valve (30).

8. The device for pretreatment of municipal sludge according to claim 1, characterized in that, The bottom of the support leg (2) is bolted with a pad (31).

Citation Information

Patent Citations

  • Contain oil sludge preprocessing device in bags

    CN206109179U