Centrifugal dewatering equipment for sludge

By introducing crushing and heating components into the sludge centrifugal dewatering equipment, the problem of equipment jamming caused by large solidified blocks was solved, and the dewatering efficiency of sludge was improved by preheating, thus achieving more efficient solid-liquid separation.

CN223805006UActive Publication Date: 2026-01-16SHANDONG GOLD GRP YANTAI DESIGH&RES ENG CO LTD
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Patent Information

Application Number
CN202520370821.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-05
Publication Date
2026-01-16
Estimated Expiration
2035-03-05

AI Technical Summary

Technical Problem

Existing sludge centrifugal dewatering equipment lacks the function of pre-detecting and crushing large solidified blocks, which causes the equipment to jam and reduces its service life. At the same time, it fails to preheat the sludge to improve dewatering efficiency.

Method used

The equipment is equipped with a crushing component and a heating component. The crushing component is used to crush large solidified lumps, improve the uniformity and fluidity of the sludge, and the heating component is used to preheat the sludge to reduce the water viscosity and accelerate evaporation.

Benefits of technology

By crushing the sludge using the crushing component and preheating it using the heating component, the uniformity and fluidity of the sludge are ensured, reducing the risk of equipment blockage and improving solid-liquid separation efficiency and dewatering effect.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses sludge centrifugal dewatering equipment, and particularly relates to the technical field of centrifugal dewatering equipment, the sludge centrifugal dewatering equipment comprises a centrifugal assembly, a discharge assembly, a heating assembly, a pumping assembly and a rolling assembly, the discharge assembly is arranged below the centrifugal assembly, the heating assembly is arranged on one side of the centrifugal assembly, and the pumping assembly is arranged on the other side of the centrifugal assembly. The sludge centrifugal dewatering equipment comprises a centrifugal assembly, a heating assembly is arranged in the centrifugal assembly, a pump suction assembly is arranged on the side, away from the centrifugal assembly, of the heating assembly, and a rolling assembly is arranged on the side, away from the heating assembly, of the pump suction assembly, and compared with the prior art, the sludge centrifugal dewatering equipment has the advantages that the rolling assembly is arranged at the feeding position, and large solidified blocks and other objects in sludge can be rolled and smashed; according to the sludge dewatering device, the uniformity and flowability of sludge can be ensured, the risk of equipment blockage is reduced, the sludge can be changed to be uniform in size, solid-liquid separation of the sludge can be better achieved under the action of centrifugal force, and the dewatering effect is improved.
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Description

Technical Field

[0001] This utility model relates to the technical field of centrifugal dewatering equipment, and more specifically, to a sludge centrifugal dewatering equipment. Background Technology

[0002] Sludge centrifugal dewatering equipment mainly includes horizontal centrifuges and various types thereof, such as horizontal screw centrifuges and disc centrifuges. The main function of sludge centrifugal dewatering equipment is to separate solids from liquids, that is, to achieve two-phase separation. Sludge centrifugal dewatering equipment has the advantages of high efficiency in dewatering, wide applicability, and high degree of automation.

[0003] A search revealed that publication number CN208151192U discloses a centrifugal sludge dewatering treatment device, including a casing and a dewatering cylinder. The dewatering cylinder is located inside the casing. A bearing seat is installed on the front wall of the casing's inner cavity, and a rotating shaft is installed on the bearing seat. The rotating shaft extends into the dewatering cylinder and is equipped with a spiral auger. A sludge pump is installed at the bottom of the casing, and a suction pipe is installed at the bottom of the sludge pump. The discharge end of the sludge pump is connected to the dewatering cylinder. A drive motor is installed at the front end of the upper plane of the casing, and a first transmission shaft is installed at the rear end of the drive motor. A transmission wheel is installed on the first transmission shaft, and a driven wheel is installed on the rotating shaft. The transmission wheel and the driven wheel are connected by a belt. Through multiple squeezing effects and centrifugal dewatering, wastewater and sludge can be effectively separated. The inventors discovered the following problems with the existing technology during the development of this utility model:

[0004] The aforementioned equipment does not have the function of pre-detecting and crushing large solidified blocks in the sludge. If large solidified blocks enter the equipment without being treated, it will cause the equipment to jam or even damage the equipment, reducing its service life. Furthermore, the aforementioned equipment does not have the function of preheating the sludge, and the working efficiency of the equipment can be improved.

[0005] Therefore, a sludge centrifugal dewatering device is proposed to address the above problems. Utility Model Content

[0006] In order to overcome the above-mentioned defects of the prior art, the present invention provides a sludge centrifugal dewatering device to solve the problems mentioned in the background art.

[0007] To achieve the above objectives, the present invention provides the following technical solution: a sludge centrifugal dewatering device, comprising a centrifugal assembly, a discharge assembly, a heating assembly, a pump suction assembly, and a crushing assembly. The discharge assembly is disposed below the centrifugal assembly, and the heating assembly is disposed on one side of the centrifugal assembly. The pump suction assembly is disposed on the side of the heating assembly away from the centrifugal assembly, and the crushing assembly is disposed on the side of the pump suction assembly away from the heating assembly.

[0008] Preferably, the centrifugal assembly comprises a spiral pusher, a discharge port, a drive shaft, a first motor, a rotating drum, a first driven gear, a first drive gear, a mounting plate and a second motor, and the outer diameter surface of the spiral pusher is provided with the discharge port, one side of the spiral pusher is provided with the drive shaft, one side of the drive shaft away from the spiral pusher is provided with the first motor, the outer side of the spiral pusher is provided with the rotating drum, the outer diameter surface of the rotating drum is fixedly provided with the first driven gear, the outer wall of the first driven gear is engaged with the first drive gear, one side of the first drive gear is provided with the mounting plate, and one side of the mounting plate away from the first drive gear is provided with the second motor.

[0009] Preferably, the excretion assembly comprises a water outlet plate, a water outlet bin, a water outlet, a mud outlet ring, a mud outlet bin and a mud outlet, one side of the water outlet plate is provided with the water outlet bin, the lower portion of the water outlet bin is provided with the water outlet, one side of the spiral pusher away from the water outlet plate is provided with the mud outlet ring, the outer side of the mud outlet ring is provided with the mud outlet bin, and the lower portion of the mud outlet bin is provided with the mud outlet.

[0010] Preferably, the heating assembly comprises a heat insulation ring, a copper pipe and an electric box, the inner side of the heat insulation ring is provided with the copper pipe, and the outer diameter surface of the heat insulation ring is provided with the electric box.

[0011] Preferably, the pumping assembly comprises a mud suction pump, a pump mud outlet and a pump mud inlet, one side of the mud suction pump is provided with the pump mud outlet, and one side of the mud suction pump away from the pump mud outlet is provided with the pump mud inlet.

[0012] Preferably, the rolling assembly comprises a feeding bin, a rolling roller, a third motor, a second drive gear and a second driven gear, the inner side of the feeding bin is provided with the rolling roller, one side of the rolling roller is provided with the third motor, one side of the rolling roller away from the third motor is provided with the second drive gear, and the outer wall of the second drive gear is engaged with the second driven gear.

[0013] The technical effects and advantages of the present application are as follows:

[0014] 1. Compared with the prior art, the sludge centrifugal dewatering equipment is provided with a rolling assembly at the feeding port, can crush large solidified blocks and other objects in the sludge, can ensure the uniformity and fluidity of the sludge, reduce the risk of equipment blockage, and can also change the sludge into uniform size, which is helpful for the sludge to realize solid-liquid separation under the action of centrifugal force and improve the dewatering effect.

[0015] 2、Compared with the prior art, the sludge centrifugal dewatering equipment can preheat the sludge before the sludge enters the centrifugal assembly, can improve the temperature of the sludge, thereby accelerating the evaporation of water, improving the dewatering efficiency, and can also reduce the viscosity of water, so that water is more easily separated from the sludge, further improving the dewatering efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a whole three-dimensional structure schematic view of the utility model.

[0017] Figure 2 It is a structure schematic view of the centrifugal assembly of the utility model.

[0018] Figure 3 It is a structure schematic view of the heating assembly of the utility model.

[0019] Figure 4 It is a structure schematic view of the pump suction assembly of the utility model.

[0020] Figure 5 It is a structure schematic view of the rolling assembly of the utility model.

[0021] The figure mark is: 1, centrifugal assembly;11, spiral pusher;12, discharge port;13, driving shaft;14, first motor;15, rotary drum;16, first driven gear;17, first driving gear;18, mounting plate;19, second motor;2, excretion assembly;21, water outlet plate;22, water outlet bin;23, water outlet;24, sludge outlet ring;25, sludge outlet bin;26, sludge outlet;3, heating assembly;31, heat insulation ring;32, copper pipe;33, electric box;4, pump suction assembly;41, sludge pump;42, sludge pump outlet;43, sludge pump inlet;5, rolling assembly;51, feed bin;52, rolling roller;53, third motor;54, second driving gear;55, second driven gear. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model. Embodiment 1

[0023] As shown in the accompanying drawings Figures 1 to 5The illustrated sludge centrifugal dewatering equipment includes a centrifugal assembly 1, a drainage assembly 2, a heating assembly 3, a pumping assembly 4 and a rolling assembly 5, the centrifugal assembly 1 is provided below the drainage assembly 2, and the centrifugal assembly 1 is provided with the heating assembly 3 on one side, the heating assembly 3 is provided with the pumping assembly 4 away from the centrifugal assembly 1, and the pumping assembly 4 is provided with the rolling assembly 5 away from the heating assembly 3.

[0024] The centrifugal assembly 1 can centrifugally process the sludge to separate the solid and liquid, thereby achieving the dewatering effect, the drainage assembly 2 can separate and discharge the separated liquid and sludge, the heating assembly 3 can preheat the sludge during transportation to achieve better separation effect and better dewatering effect, the pumping assembly 4 can help transport the sludge, and the rolling assembly 5 can crush the large particles hidden in the sludge, facilitating the operation of the equipment and preventing the equipment from being stuck during operation. Embodiment 2

[0025] Based on the embodiment 1, the scheme in the embodiment 1 is further refined in combination with the specific working mode as follows: Figures 1 to 5 As shown, details are described below:

[0026] As a preferred embodiment, the centrifugal assembly 1 includes a screw feeder 11, a discharge port 12, a drive shaft 13, a first motor 14, a rotating drum 15, a first driven gear 16, a first drive gear 17, a mounting plate 18 and a second motor 19, and the outer diameter surface of the screw feeder 11 is provided with the discharge port 12, one side of the screw feeder 11 is provided with the drive shaft 13, and the drive shaft 13 is provided with the first motor 14 away from the screw feeder 11, the outer side of the screw feeder 11 is provided with the rotating drum 15, and the outer diameter surface of the rotating drum 15 is fixed with the first driven gear 16, the outer wall of the first driven gear 16 is engaged with the first drive gear 17, and one side of the first drive gear 17 is provided with the mounting plate 18, and the mounting plate 18 is provided with the second motor 19 away from the first drive gear 17, the sludge enters the centrifugal assembly 1 through the discharge port 12 on the outer diameter surface of the screw feeder 11, the first motor 14 drives the screw feeder 11 to rotate, the second motor 19 drives the first drive gear 17 to rotate, which drives the first driven gear 16 to rotate, and then drives the rotating drum 15 to rotate, and the rotating speed of the screw feeder 11 is slightly lower than that of the rotating drum 15, the sludge is immediately thrown into the internal space through the discharge port 12 in the hollow pipe of the screw feeder 11 under the action of the high-speed rotating centrifugal force, the solid particles with larger density are thrown and attached to the inner wall of the rotating drum 15 to form a solid layer, which is called a solid ring layer, and the water is only formed into a liquid layer inside the solid ring layer due to smaller density and smaller centrifugal force, which is called a liquid ring layer.

[0027] As a preferred embodiment, the excretion assembly 2 comprises a water outlet plate 21, a water outlet bin 22, a water outlet 23, a sludge ring 24, a sludge bin 25 and a sludge outlet 26, one side of the water outlet plate 21 is provided with the water outlet bin 22, the lower part of the water outlet bin 22 is provided with the water outlet 23, the side away from the water outlet plate 21 of the screw pusher 11 is provided with the sludge ring 24, the outer side of the sludge ring 24 is provided with the sludge bin 25, and the lower part of the sludge bin 25 is provided with the sludge outlet 26. Due to the different rotating speeds of the screw pusher 11 and the rotating drum 15, there is relative motion between the two. The relative motion of the screw pusher 11 and the rotating drum 15 slowly pushes the sludge in the solid ring layer to one end of the rotating drum 15, and the sludge is thrown out of the sludge bin 25 through the sludge outlet 26, and then discharged out of the machine through the sludge outlet 26 by gravity. The liquid in the liquid ring layer is continuously overflowed and discharged out of the water outlet bin 22 through the water outlet plate 21 by gravity, and then discharged out of the machine through the water outlet 23 by gravity.

[0028] As a preferred embodiment, the heating assembly 3 comprises a heat insulation ring 31, a copper pipe 32 and an electric box 33, the inner side of the heat insulation ring 31 is provided with the copper pipe 32, and the outer diameter surface of the heat insulation ring 31 is provided with the electric box 33. When the sludge reaches the heating assembly 3, adjust the electric box 33 and set the temperature. Then the copper pipe 32 installed in the heat insulation ring 31 will heat the sludge through the pipeline, which can further improve the separation effect of the equipment.

[0029] As a preferred embodiment, the pump suction assembly 4 comprises a sludge suction pump 41, a pump sludge outlet 42 and a pump sludge inlet 43, one side of the sludge suction pump 41 is provided with the pump sludge outlet 42, and the side away from the pump sludge outlet 42 of the sludge suction pump 41 is provided with the pump sludge inlet 43. Start the sludge suction pump 41, suck the sludge into the pump sludge inlet 43, and then pump it out through the pump sludge outlet 42, which can help transport the sludge.

[0030] As a preferred embodiment, the rolling assembly 5 comprises a feeding bin 51, a rolling roller 52, a third motor 53, a second driving gear 54 and a second driven gear 55, the inner side of the feeding bin 51 is provided with the rolling roller 52, one side of the rolling roller 52 is provided with the third motor 53, the side away from the third motor 53 of the rolling roller 52 is provided with the second driving gear 54, and the outer wall of the second driving gear 54 is engaged with the second driven gear 55. The sludge will first enter the rolling assembly 5, start the third motor 53 to drive the rolling roller 52 to rotate, the rotating rolling roller 52 drives the second driving gear 54 to rotate, which in turn drives the second driven gear 55 to rotate, and drives the second rolling roller 52 to rotate, and the second rolling roller 52 moves relative to the first rolling roller 52. The sludge entering the equipment can be pre-rolled and crushed, and then enters the pipeline through the chute bin below the feeding bin 51.

[0031] The working process of the utility model is as follows: the sludge will first enter the rolling assembly 5, the third motor 53 is started, the rolling roller 52 is driven to rotate, the rolling roller 52 drives the second driving gear 54 to rotate, drives the second driven gear 55 to rotate, drives the second rolling roller 52 to rotate, and the second rolling roller 52 and the first rolling roller 52 make relative motion, can pre-rolling and crushing the sludge entering the equipment, then through the chute bin below the feed bin 51 into the pipeline, the sludge pump 41 is started, the sludge is sucked into the pump sludge inlet 43, then is pumped out through the pump sludge outlet 42, then the sludge reaches the heating assembly 3, the electric box 33 is adjusted, the temperature is set, then the copper pipe 32 installed in the heat insulation ring 31 will heat the sludge through the pipeline, further improve the separation effect of the equipment.

[0032] Then the sludge enters the centrifugal assembly 1 through the discharge port 12 opened on the outer diameter surface of the screw feeder 11, the first motor 14 drives the screw feeder 11 to rotate, the second motor 19 drives the first driving gear 17 to rotate, drives the first driven gear 16 to rotate, and then drives the rotary drum 15 to rotate, and the rotating speed of the screw feeder 11 is slightly lower than that of the rotary drum 15, under the action of high-speed rotating centrifugal force, the sludge is immediately thrown into the internal space from the hollow pipeline of the screw feeder 11 through the discharge port 12, the solid particles with larger density are thrown and attached to the inner wall of the rotary drum 15, forming a solid layer, called solid ring layer, the water is small in density and centrifugal force, only can form a liquid layer inside the solid ring layer, called liquid ring layer, due to the different rotating speeds of the screw feeder 11 and the rotary drum 15, the two have relative motion, the relative motion of the screw feeder 11 and the rotary drum 15 slowly pushes the sludge of the solid ring layer to one end of the rotary drum 15, is thrown out into the sludge discharge bin 25 through the sludge outlet 26, then is discharged out of the machine through the sludge outlet 26 by gravity, and the liquid of the liquid ring layer is continuously overflowed and discharged into the water discharge bin 22 through the water discharge plate 21 by gravity, then is discharged out of the machine from the water outlet 23 by gravity, the above is the working principle of the sludge centrifugal dewatering equipment.

Claims

1. A sludge centrifugal dewatering apparatus comprising a centrifugal assembly (1), a drainage assembly (2), a heating assembly (3), a pump suction assembly (4) and a roller assembly (5), characterized in that: The centrifugal component (1) is provided with a drainage component (2) below, and the centrifugal component (1) is provided with a heating component (3) on one side, the heating component (3) is provided with a pumping component (4) away from one side of the centrifugal component (1), and the pumping component (4) is provided with a rolling component (5) away from one side of the heating component (3), the heating component (3) comprises a heat insulation ring (31), a copper pipe (32) and an electric box (33), and the inner side of the heat insulation ring (31) is provided with the copper pipe (32), and the outer diameter surface of the heat insulation ring (31) is provided with the electric box (33).

2. A sludge centrifugal dewatering apparatus according to claim 1, characterized in that: The centrifugal component (1) comprises a spiral pusher (11), a discharge port (12), a driving shaft (13), a first motor (14), a rotating drum (15), a first driven gear (16), a first driving gear (17), a mounting plate (18) and a second motor (19), and the outer diameter surface of the spiral pusher (11) is provided with the discharge port (12), one side of the spiral pusher (11) is provided with the driving shaft (13), one side of the driving shaft (13) away from the spiral pusher (11) is provided with the first motor (14), the outer side of the spiral pusher (11) is provided with the rotating drum (15), and the outer diameter surface of the rotating drum (15) is fixedly provided with the first driven gear (16), the outer wall of the first driven gear (16) is engaged with the first driving gear (17), one side of the first driving gear (17) is provided with the mounting plate (18), and one side of the mounting plate (18) away from the first driving gear (17) is provided with the second motor (19).

3. A sludge centrifugal dewatering apparatus according to claim 2, characterised in that: The drainage component (2) comprises a water outlet plate (21), a water outlet bin (22), a water outlet (23), a mud outlet ring (24), a mud outlet bin (25) and a mud outlet (26), one side of the water outlet plate (21) is provided with the water outlet bin (22), the lower portion of the water outlet bin (22) is provided with the water outlet (23), one side of the spiral pusher (11) away from the water outlet plate (21) is provided with the mud outlet ring (24), the outer side of the mud outlet ring (24) is provided with the mud outlet bin (25), and the lower portion of the mud outlet bin (25) is provided with the mud outlet (26).

4. A sludge centrifugal dewatering apparatus according to claim 1, characterized in that: The pumping component (4) comprises a mud suction pump (41), a mud outlet (42) and a mud inlet (43), one side of the mud suction pump (41) is provided with the mud outlet (42), and one side of the mud suction pump (41) away from the mud outlet (42) is provided with the mud inlet (43).

5. A sludge centrifugal dewatering apparatus according to claim 1, characterized in that: The rolling component (5) comprises a feeding bin (51), a rolling roller (52), a third motor (53), a second driving gear (54) and a second driven gear (55), the inner side of the feeding bin (51) is provided with the rolling roller (52), one side of the rolling roller (52) is provided with the third motor (53), one side of the rolling roller (52) away from the third motor (53) is provided with the second driving gear (54), and the outer wall of the second driving gear (54) is engaged with the second driven gear (55).

Citation Information

Patent Citations

  • Centrifugal silt dehydration equipment

    CN208151192U