Sludge dewatering and drying device

By using a combination of cylinders to drive the extrusion plate and filter screen cylinder in the sludge dewatering and drying device, the problem of insufficient pressing force is solved, and a more efficient sludge dewatering effect is achieved.

CN223906723UActive Publication Date: 2026-02-13ZHEJIANG GUYA ENVIRONMENTAL EQUIP CO LTD
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Patent Information

Application Number
CN202520428109.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-12
Publication Date
2026-02-13
Estimated Expiration
2035-03-12

AI Technical Summary

Technical Problem

Existing sludge dewatering and drying devices suffer from insufficient pressing force when dewatering through pressing, resulting in low dewatering efficiency.

Method used

Two cylinders are used to push the extrusion plates on the left and right sides of the filter screen cylinder respectively, applying greater pressing force. Dynamic pressing is achieved by rotating the filter screen cylinder, forming bidirectional extrusion, which promotes the relative movement between the sludge and the filter screen cylinder and enhances the pressing effect.

Benefits of technology

It improves the efficiency of sludge dewatering, effectively squeezes out the water from the sludge, avoids excessive accumulation of sludge in a certain area, and improves pressing efficiency and water discharge effect.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a sludge dewatering and drying device which comprises a base, the left side and the right side of the upper end of the base are each fixedly provided with a fixing plate, the opposite faces of the two fixing plates are each rotationally connected with a through rod, and the opposite faces of the two through rods are jointly and fixedly provided with a filter screen cylinder; the sludge dewatering device is characterized in that a feeding pipe is fixedly mounted on the upper side of the filter screen cylinder, a discharging pipe is fixedly mounted on the lower side of the filter screen cylinder, and an extrusion plate is fixedly mounted at the output end of each of the two air cylinders, so that the problem of low sludge dewatering efficiency is solved. The utility model discloses a sludge dewatering and drying device. The rotation of the filter screen cylinder facilitates uniform distribution of sludge in the filter screen cylinder, excessive accumulation of the sludge in a certain area is avoided, the filter screen cylinder in the rotating state can better promote relative movement between the sludge and the filter screen cylinder, water can be smoothly discharged through holes of the filter screen cylinder, and therefore the squeezing efficiency is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a sludge treatment equipment more specifically, it relates to a sludge dewatering and drying device. BACKGROUND

[0002] The sludge dewatering and drying device is used for reducing the water content of sludge, and its core function is to remove water in sludge through a series of physical or chemical processes, so that the volume is reduced, and subsequent transportation, accumulation, utilization or further processing is facilitated.

[0003] The sludge dewatering and drying device removes free water and part of interstitial water in sludge through squeezing or filtering.

[0004] The existing sludge dewatering and drying device cannot effectively squeeze out the water in the sludge when the squeezing force of the squeezing equipment is insufficient during squeezing for dewatering, which leads to low dewatering efficiency.

[0005] Therefore, a new scheme is needed to solve this problem. UTILITY MODEL CONTENT

[0006] In view of the deficiencies in the prior art, the utility model aims to provide a sludge dewatering and drying device, which can apply greater squeezing force to the sludge by two air cylinders pushing the squeezing plates on the left and right sides in the filter screen cylinder. Compared with the traditional fixed squeezing method, this dynamic squeezing can more effectively squeeze out the water in the sludge. The squeezing plates move oppositely on the left and right sides in the filter screen cylinder, forming bidirectional squeezing of the sludge, further enhancing the squeezing effect and improving the squeezing efficiency. The rotation of the filter screen cylinder helps the uniform distribution of the sludge in the filter screen cylinder, avoiding excessive accumulation of the sludge in a certain area. The filter screen cylinder in the rotating state can better promote the relative movement between the sludge and the filter screen cylinder, helping the water to be smoothly discharged through the pores of the filter screen cylinder, thereby improving the squeezing efficiency.

[0007] The technical purpose is achieved by the following technical scheme: a sludge dewatering and drying device, comprising a base, the upper end of the base is fixedly provided with a fixed plate on the left and right sides, the opposite surfaces of the two fixed plates are rotatably connected with a through rod, the opposite surfaces of the two through rods are fixedly provided with a filter screen cylinder, the upper side of the filter screen cylinder is fixedly provided with an inlet pipe, the lower side of the filter screen cylinder is fixedly provided with an outlet pipe, the opposite surfaces of the two fixed plates are fixedly provided with a cylinder, the output shaft of the cylinder is movably inserted into the through rod, the output end of the two cylinders is fixedly provided with an extrusion plate, the extrusion plate is located in the filter screen cylinder, the outer surface of the right through rod is fixedly provided with a first gear, the right end of the right fixed plate is fixedly provided with a motor, the output end of the motor is fixedly provided with a rotating shaft, the outer surface of the rotating shaft is fixedly provided with a second gear, and the first gear and the second gear are engaged.

[0008] The utility model further sets up: the upper end of the base is fixedly provided with a baffle on the front and back sides, and the filter screen cylinder is located between the opposite surfaces of the two baffles.

[0009] The utility model further sets up: the lower side of the two baffles is provided with a collecting box, and the collecting box is located below the filter screen cylinder.

[0010] The utility model further sets up: the diameter of the extrusion plate is same with the inner diameter of the filter screen cylinder.

[0011] In conclusion, the utility model has the following beneficial effects:

[0012] 1. The two cylinders respectively push the extrusion plates on the left and right sides in the filter screen cylinder, so that greater squeezing force can be applied to the sludge. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 It is the whole structure schematic diagram of the utility model;

[0014] Fig. 2 It is the three-dimensional structure schematic diagram of the filter screen cylinder of the utility model;

[0015] Fig. 3 It is the three-dimensional structure schematic diagram of the cylinder and the extrusion plate of the utility model.

[0016] In the figure: 1, base; 2, fixed plate; 3, through rod; 4, filter screen cylinder; 5, feeding pipe; 6, discharging pipe; 7, air cylinder; 8, extrusion plate; 9, first gear; 10, motor; 11, rotating shaft; 12, second gear; 13, blocking plate; 14, collecting box. DETAILED DESCRIPTION

[0017] In order for those skilled in the art to better understand the technical scheme of the present application, the present application will be further described in detail below in combination with the drawings and specific embodiments, and it should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0018] In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom end" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0019] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "sleeve setting / connection", "connection" and the like should be broadly understood, for example, "connection" can be fixed connection, can also be detachable connection, or integral connection; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication between two elements inside. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0020] The present application will be described in detail below in combination with the drawings.

[0021] A sludge dewatering and drying device, such as Figs. 1-3As shown, including the base 1, the upper end of the base 1 is fixedly installed with a fixed plate 2 on both sides, the opposite surface of the two fixed plates 2 is rotatably connected with a through rod 3, the opposite surface of the two through rods 3 is commonly fixedly installed with a filter screen cylinder 4, the upper side of the filter screen cylinder 4 is fixedly installed with an inlet pipe 5, the lower side of the filter screen cylinder 4 is fixedly installed with an outlet pipe 6, the opposite surface of the two fixed plates 2 is fixedly installed with a cylinder 7, the output shaft of the cylinder 7 is movably inserted into the inside of the through rod 3, the output end of the two cylinders 7 is fixedly installed with an extrusion plate 8, the diameter of the extrusion plate 8 is same with the inside diameter of the filter screen cylinder 4, the extrusion plate 8 is located inside the filter screen cylinder 4, the outer surface of the right through rod 3 is fixedly installed with a first gear 9, the right end of the right fixed plate 2 is fixedly installed with a motor 10, the output end of the motor 10 is fixedly installed with a rotating shaft 11, the outer surface of the rotating shaft 11 is fixedly installed with a second gear 12, the first gear 9 and the second gear 12 are engaged.

[0022] As shown, Fig. 1 The upper end of the base 1 is fixedly installed with a blocking plate 13 on both sides, the filter screen cylinder 4 is located between the opposite surfaces of the two blocking plates 13, the two blocking plates 13 are provided to prevent water from splashing when the filter screen cylinder 4 drains water, and can accurately enter the collecting box 14 for collection.

[0023] As shown, Fig. 1 The lower side of the two blocking plates 13 is provided with a collecting box 14, the collecting box 14 is located below the filter screen cylinder 4, and the water produced by the sludge dewatering is collected by the collecting box 14 below.

[0024] Working principle: through the feed pipe 5 pour sludge into the filter screen cylinder 4, and close the valve at the feed pipe 5, at this time sludge is located between the opposite sides of two extrusion plates 8, by starting the left and right side of the cylinder 7, the cylinder 7 is a commonly used pneumatic actuator, it can convert the pressure energy of gas into mechanical energy, so as to push the load to move linearly, by two cylinders 7 respectively push the extrusion plate 8 in the left and right sides of the filter screen cylinder 4, can exert greater squeezing force on the sludge. Compared with the traditional fixed squeezing way, this kind of dynamic squeezing can more effectively squeeze the water in the sludge, the extrusion plate 8 moves oppositely in the left and right sides of the filter screen cylinder 4, forms the bidirectional extrusion to the sludge, further enhances the squeezing effect, when the motor 10 drives the rotating shaft 11 to rotate, drives the second gear 12 to rotate, so as to drive the first gear 9 meshing with it to rotate, drives the right side of the through rod 3 to rotate, since the through rod 3 and the filter screen cylinder 4 are fixedly connected, so as to drive the filter screen cylinder 4 to rotate, the through rod 3 is fixed on the inner surface of the bearing, the rotation of the filter screen cylinder 4 is helpful to the uniform distribution of sludge in the filter screen cylinder 4, avoids the excessive accumulation of sludge in a certain area, the filter screen cylinder 4 in the rotating state can better promote the relative movement between the sludge and the filter screen cylinder 4, it is helpful for water to flow out through the aperture of the filter screen cylinder 4, so as to improve the squeezing efficiency, in the filter screen cylinder 4, after the sludge is extruded, the water in the sludge flows out through the aperture of the filter screen cylinder 4, while the solid matter is intercepted on the filter screen cylinder 4, the water is collected through the lower collecting box 14, the front and rear two blocking plates 13 are arranged to prevent the water from splashing randomly when the filter screen cylinder 4 drains, when the sludge is dewatered, open the valve at the discharge pipe 6, so that the sludge in the filter screen cylinder 4 is discharged through the discharge pipe 6, at the same time, when the extrusion plate 8 moves, it is convenient to push the sludge in the filter screen cylinder 4 to discharge from the discharge pipe 6.

[0025] The preferred embodiments of the present application have been described above, the protection scope of the present application is not limited to the above-mentioned embodiments, any technical scheme falling within the concept of the present application belongs to the protection scope of the present application. It should be noted that, for ordinary skilled in the art, some improvements and decorations without departing from the principle of the present application, these improvements and decorations should also be considered as the protection scope of the present application.

Claims

1. A sludge dewatering and drying device, comprising a base (1), the upper end of the base (1) is fixedly installed with a fixed plate (2) on the left and right sides, the opposite surfaces of the two fixed plates (2) are rotatably connected with a through rod (3), and the opposite surfaces of the two through rods (3) are commonly fixedly installed with a filter screen cylinder (4), characterized in that: The upper side of the filter screen cylinder (4) is fixedly installed with an inlet pipe (5), the lower side of the filter screen cylinder (4) is fixedly installed with an outlet pipe (6), the opposite sides of the two fixed plates (2) are fixedly installed with a gas cylinder (7), the output shaft of the gas cylinder (7) is movably inserted into the inside of the through rod (3), the output end of the two gas cylinders (7) is fixedly installed with an extrusion plate (8), the extrusion plate (8) is located in the inside of the filter screen cylinder (4), the outer surface of the right through rod (3) is fixedly installed with a first gear (9), the right end of the right fixed plate (2) is fixedly installed with a motor (10), the output end of the motor (10) is fixedly installed with a rotating shaft (11), the outer surface of the rotating shaft (11) is fixedly installed with a second gear (12), the first gear (9) and the second gear (12) are engaged.

2. A sludge dewatering and drying apparatus as claimed in claim 1, wherein: The upper end of the base (1) is fixedly installed with a blocking plate (13) on the front and back sides, the filter screen cylinder (4) is located between the opposite sides of the two blocking plates (13).

3. A sludge dewatering and drying apparatus as claimed in claim 2, wherein: The lower side of the two blocking plates (13) is provided with a collecting box (14), the collecting box (14) is located below the filter screen cylinder (4).

4. The sludge dewatering and drying apparatus as claimed in claim 1, wherein: The diameter of the extrusion plate (8) is the same as the inner diameter of the filter screen cylinder (4).