CN111072243B

CN111072243B - Sludge dewatering machine and sludge drying mechanism thereof

Info

Publication number: CN111072243B
Application number: CN201911324214.3A
Authority: CN
Inventors: 兰春生
Original assignee: Zhejiang Arden Environmental Technology Co ltd
Current assignee: Zhejiang Arden Environmental Technology Co ltd
Priority date: 2019-12-16
Filing date: 2019-12-16
Publication date: 2022-07-05
Anticipated expiration: 2039-12-16
Also published as: CN111072243A

Abstract

The invention discloses a sludge dewatering machine and a sludge drying mechanism thereof, and relates to the technical field of sludge treatment. Including the dehydrator shell, the inside of dehydrator shell is provided with drive assembly, the inside of dehydrator shell and the top that is located drive assembly are provided with dewatering mechanism, dewatering mechanism includes rolling wheel, rolls subassembly and drainage mechanism, the inside of rolling wheel is provided with rolls the subassembly, drainage mechanism is located the top of rolling wheel, the bottom of dehydrator shell is provided with mud cake collection storehouse. Compared with a dewatering mechanism of a traditional dewatering machine, the dewatering mechanism adopts the rolling wheel matched with the rolling component and the bearing plate to extrude and dewater sludge, but the extruded water can be completely absorbed by the water-absorbing sponge, and the water in the water-absorbing sponge is extruded out, so that the effect of removing the water in the sludge is achieved, the condition that the extruded water is absorbed by the sludge again can not occur, and the efficiency of sludge dewatering is improved.

Description

Sludge dewatering machine and sludge drying mechanism thereof

Technical Field

The invention relates to the technical field of sludge treatment, in particular to a sludge dewatering machine and a sludge drying mechanism thereof.

Background

The sludge dewatering machine is a continuously operated sludge treatment device. In the process of sludge treatment, the existing sludge dewatering machines generally adopt an extrusion mode, sludge is extruded in a spiral extrusion mode, water in the sludge is gradually discharged, the sludge is changed into a mud cake shape, and water flows overflow, so that the dewatering purpose is achieved, but when the sludge is extruded and dewatered by the sludge drying mechanism, the inside of the mud cake at least contains about 20% of water, so that the sludge drying is not thorough.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a sludge dewatering machine and a sludge drying mechanism thereof, and after the sludge dewatering machine is used, the problem that when the sludge drying mechanism in the prior art is used for squeezing and dewatering sludge, the inside of a mud cake at least contains about 20% of water, so that the sludge drying is not thorough.

In order to realize the purpose, the invention is realized by the following technical scheme: the utility model provides a sludge dewaterer and sludge drying mechanism thereof, includes the dewatering machine shell, and the inside of dewatering machine shell is provided with drive assembly, the inside of dewatering machine shell and the top that is located drive assembly are provided with dewatering mechanism, dewatering mechanism includes rolling wheel, rolling subassembly and drainage mechanism, the inside of rolling wheel is provided with rolls the subassembly, drainage mechanism is located the top of rolling wheel, the bottom of dewatering machine shell is provided with the mud cake and collects the storehouse, the inside of dewatering machine shell is provided with the bearing plate between two drive belts that are located drive assembly, the bearing plate is located rolling wheel under.

Preferably, the rolling wheel is of a hollow cylindrical structure, one end of the rolling wheel is fixed with one end of a rotating shaft in a closed shape, the other end of the rotating shaft is movably mounted on the inner wall of the shell of the dewatering machine through a bearing, the rotating shaft is in transmission connection with the output end of the servo motor, and through holes are annularly arranged on the arc surface of the rolling wheel.

Preferably, the rolling component comprises a central shaft, one end of the central shaft is fixed with the center of one end of the inner wall of the rolling wheel, a compression roller is fixedly connected with the outer side of the central shaft, a movable sleeve is sleeved on the outer surface of the free end of the compression roller, a spring is arranged between the compression roller and the movable sleeve, a sleeve is fixed on the inner wall of the rolling wheel and communicated with a through hole, a piston is arranged in the sleeve in a sealed mode, one end of the movable sleeve extends to the inside of the sleeve and is fixed with the piston, and a water absorption sponge is arranged on the other side of the piston.

Preferably, the outer surface of the movable sleeve is fixed with one end of a connecting rod, an annular track is fixed on the inner wall of the shell of the dewatering machine, and one end of the connecting rod extends into the annular track and is connected with the annular track in a sliding manner.

Preferably, the drainage mechanism comprises a box body, a water inlet pipe penetrating through the box body is arranged at the bottom of the inner wall of the box body, a metal net is fixed at the top of the water inlet pipe, a drainage pipe is further arranged at the bottom of the box body in a penetrating manner, and one end of the drainage pipe penetrates through the shell of the dewatering machine and extends to the outside of the shell of the dewatering machine.

Preferably, the outer surface of the top end of the water inlet pipe is inclined.

Preferably, the top and the bottom of the circular track are both protruded, and the central part of the circular track is circular arc.

Preferably, the number of the rolling assemblies and the rolling wheels is not less than one, and the elasticity coefficient of the spring inside the rolling assemblies is larger at the position close to the discharge port.

The invention provides a sludge dewatering machine and a sludge drying mechanism thereof. The method has the following beneficial effects:

(1) this sludge dewaterer and sludge drying mechanism thereof, through setting up dewatering mechanism, compare the dewatering mechanism of traditional hydroextractor, the invention has adopted the rolling wheel cooperation to roll subassembly and bearing plate, carry out extrusion dehydration to mud, but the moisture that extrudees simultaneously can all be absorbed by the sponge that absorbs water, through squeezing out the moisture in the sponge that absorbs water, and then reach the effect of detaching moisture in the mud, consequently can not appear the moisture that extrudes out and be by the absorptive condition of mud again, thereby improved sludge dewatering's efficiency.

(2) This sludge dewaterer and sludge drying mechanism thereof, under the cooperation of rolling wheel and rolling subassembly, make mud enter into the inside of through-hole, mud receives the extrusion in the through-hole, thereby discharge the moisture in the mud, through the extrusion drainage to mud in proper order, traditional spiral dehydration mechanism compares, can guarantee extruded efficiency, mud cake can become the graininess simultaneously, can guarantee like this that the mud cake is after being extruded, can be abundant with the air contact, the evaporation of moisture in the further increase mud cake, thereby sludge dewatering's work efficiency has been improved.

(3) This sludge dewaterer and sludge drying mechanism thereof is through setting up circular orbit cooperation connecting rod to thereby make the movable sleeve can slide when the pivoted, thereby extrude the mud cake or absorb water the sponge through the slip movable sleeve, thereby absorb the moisture in the mud cake, discharge into the inside of drainage mechanism with the moisture in the sponge that absorbs water simultaneously, thereby reach the purpose of drainage.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic view of the dewatering mechanism of the present invention;

fig. 3 is a schematic structural view of the rolling wheel of the present invention;

FIG. 4 is a schematic structural view of the circular track of the present invention;

FIG. 5 is a sectional view of the structure of the present invention;

FIG. 6 is a cross-sectional top view of the dehydrator casing of the present invention.

In the figure: the device comprises a shell of the dewatering machine 1, a transmission component 2, a dewatering mechanism 3, a rolling wheel 301, a rolling component 302, a central shaft 3021, a rolling roller 3022, a movable sleeve 3023, a spring 3024, a sleeve 3025, a piston 3026, a water-absorbing sponge 3027, a water draining mechanism 303, a box 3031, a water inlet pipe 3032, a metal mesh 3033, a water outlet pipe 3034, a mud cake collecting bin 4, a bearing plate 5, a rotating shaft 6, a servo motor 7, a through hole 8, a connecting rod 9 and an annular track 10.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides a sludge dewaterer and sludge drying mechanism thereof, includes dewatering machine shell 1, and dewatering machine shell 1's top is provided with feed hopper, dewatering machine shell 1's inside is provided with drive assembly 2, and drive assembly 2 comprises two drive wheel cooperation drive belts, just can be driven by the drive belt on mud falls the drive belt, and one of them drive wheel is fixed on driving motor's output, starts drive wheel and drive belt work through driving motor. Dewatering mechanism 3 is provided with in the inside of dewatering machine shell 1 and the top that is located drive assembly 2, dewatering mechanism 3 includes rolling wheel 301, rolling assembly 302 and drainage mechanism 303, rolling wheel 301's inside is provided with rolling assembly 302, drainage mechanism 303 is located rolling wheel 301's top, dewatering machine shell 1's bottom is provided with mud cake collection bin 4, is provided with the baffle in dewatering machine shell 1's inside and the below that is located drive assembly 2 to the relief hole has been seted up on the baffle, and the relief hole is located the below of drive assembly 2 output, dewatering machine shell 1's inside is provided with bearing plate 5 between two drive belts that are located drive assembly 2, bearing plate 5 is located rolling wheel 301 under. The bearing plate 5 is matched with the rolling wheel 301 to extrude the sludge on the transmission belt, so that the sludge can be fully dewatered when passing through the rolling wheel 301.

Wherein: the rolling wheel 301 is a hollow cylindrical structure, one end of the rolling wheel 301 is fixed with one end of the rotating shaft 6 in a closed shape, the other end of the rotating shaft 6 is movably mounted on the inner wall of the dewatering machine shell 1 through a bearing, the rotating shaft 6 is in transmission connection with the output end of the servo motor 7, and through holes 8 are annularly arranged on the arc surface of the rolling wheel 301.

The rolling assembly 302 comprises a central shaft 3021, one end of the central shaft 3021 is fixed with the center of one end of the inner wall of the rolling wheel 301, a compression roller 3022 is fixedly connected to the outer edge of the central shaft 3021, a movable sleeve 3023 is sleeved on the outer surface of the free end of the compression roller 3022, a spring 3024 is arranged between the compression roller 3022 and the movable sleeve 3023, a sleeve 3025 is fixed on the inner wall of the rolling wheel 301, the sleeve 3025 is communicated with a through hole 8, a piston 3026 is arranged in the sleeve 3025 in a sealed manner, one end of the movable sleeve 3023 extends into the sleeve 3025 and is fixed with the piston 3026, and a water-absorbing sponge 3027 is arranged on the other side of the piston 3026. The outer surface of the movable sleeve 3023 is fixed with one end of a connecting rod 9, an annular rail 10 is fixed on the inner wall of the dewatering machine shell 1, and one end of the connecting rod 9 extends into the annular rail 10 and is connected with the annular rail 10 in a sliding way. During operation, servo motor drives rolling wheel 301 and rotates, can make rolling subassembly 302 in rolling wheel 301 rotate together when rolling wheel 301 rotates, rolling subassembly 302 all rotates around center pin 3021, at this in-process, because under the restriction of connecting rod 9 and circular orbit 10, make movable sleeve 3023 in rotatory, be the bulge downwards when movable sleeve 3023 is located the minimum, and then promote piston 3026 downstream, can extrude the mud that enters into in the through-hole 8 when piston 3026 downstream, thereby reach the mesh of dehydration. The water removed from the sludge is absorbed by the water-absorbing sponge 3027.

The drainage mechanism 303 comprises a box body 3031, a water inlet pipe 3032 penetrating through the box body 3031 is arranged at the bottom of the inner wall of the box body 3031, a metal net 3033 is fixed at the top of the water inlet pipe 3032, a drainage pipe 3034 penetrates through the bottom of the box body 3031, and one end of the drainage pipe 3034 penetrates through the dehydrator shell 1 and extends to the outside of the dehydrator shell 1. The outer surface of the top end of the water inlet pipe 3032 is inclined. When the movable sleeve 3023 moves to the uppermost position, the movable sleeve 3023 protrudes upwards, so that the piston enters into the water inlet pipe 3032 and cooperates with the metal mesh 3033 to press the water absorbing sponge 3027, the water in the water absorbing sponge 3027 is discharged, and the water enters into the box 3031 due to the arrangement of the inclined surface at the top of the water inlet pipe.

The top and bottom of the circular rail 10 are protruded, and the central portion of the circular rail 10 is circular arc-shaped. The number of the rolling assemblies 302 and the rolling wheels 301 is not less than one, and the elasticity of the springs 3024 inside the rolling assemblies 302 is larger at the position close to the discharge port. Set up rolling wheel 301 once and roll subassembly 302, can guarantee the efficiency of sludge dewatering like this, guarantee that the dehydration rate reaches more than 80% to the aperture subassembly of through-hole 8 reduces, can make the mud cake diminish gradually. When the mud cake becomes small, the contact area between the outer surface of the mud cake and the air can be increased, and further the residual moisture in the mud cake can be evaporated more quickly.

When in use, sludge enters the inside of the sludge dewatering machine through the funnel arranged at the top of the sludge dewatering machine shell 1, the sludge falls on the conveying belt after entering the inside of the dewatering machine, the transmission assembly works to drive the sludge to be transported, after the sludge reaches the lower part of the rolling wheel 301, the rolling wheel 301 extrudes the sludge due to the rotation of the rolling wheel, and the sludge enters the inside of the through hole 8, after the sludge enters the inside of the through hole 8, the sludge is extruded under the work of the extrusion assembly 302, after the sludge receives the extrusion, the moisture in the sludge is extruded out, the extruded moisture enters the inside of the water absorbing sponge 3027, and the extruded mud cake falls from the inside of the through hole 8 due to the continuous rotation of the rolling wheel 301, and the moisture enters the inside of the water absorbing sponge 3027 and reaches the upper part by rotation, when the movable sleeve 3023 moves to the highest point, the movable sleeve 3023 protrudes upwards under the action of the annular track 10, and in the process, the movable sleeve 3023 pushes the piston 3026 into the interior of the water inlet pipe 3032, and the water absorption sponge 3027 is pressed by the metal mesh 3033, so that the water in the water absorption sponge 3027 enters the interior of the box 3031 and is discharged through the water discharge pipe 3034, and the purpose of water discharge is achieved.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.

Claims

1. The utility model provides a sludge dewatering machine and sludge drying mechanism thereof, includes dewatering machine shell (1), its characterized in that: the inside of dewatering machine shell (1) is provided with drive assembly (2), the inside of dewatering machine shell (1) is provided with dewatering mechanism (3) and the top that is located drive assembly (2), dewatering mechanism (3) are including rolling wheel (301), rolling subassembly (302) and drainage mechanism (303), the inside of rolling wheel (301) is provided with rolling subassembly (302), drainage mechanism (303) is located the top of rolling wheel (301), the bottom of dewatering machine shell (1) is provided with mud cake collection storehouse (4), the inside of dewatering machine shell (1) is provided with bearing plate (5) between two drive belts that are located drive assembly (2), bearing plate (5) are located rolling wheel (301) under, rolling subassembly (302) includes center pin (3021), the one end of center pin (3021) is fixed with the center department of rolling wheel (301) inner wall one end, and the outer edge of the central shaft (3021) is fixedly connected with a press roll (3022), the outer surface of the free end of the press roll (3022) is sleeved with a movable sleeve (3023), a spring (3024) is arranged between the press roll (3022) and the movable sleeve (3023), a sleeve (3025) is fixed on the inner wall of the press roll (301), the sleeve (3025) is communicated with a through hole (8), a piston (3026) is hermetically arranged inside the sleeve (3025), one end of the movable sleeve (3023) extends into the sleeve (3025) and is fixed with the piston (3026), the other side of the piston (3026) is provided with a water absorbing sponge (3027), the outer surface of the movable sleeve (3023) is fixed with one end of a connecting rod (9), an annular rail (10) is fixed on the inner wall of the dewatering machine shell (1), one end of the connecting rod (9) extends into the annular rail (10) and is connected with the annular rail (10) in a sliding manner, the drainage mechanism (303) comprises a box body (3031), a water inlet pipe (3032) penetrating through the box body (3031) is arranged at the bottom of the inner wall of the box body (3031), a metal net (3033) is fixed at the top of the water inlet pipe (3032), a drain pipe (3034) is further arranged at the bottom of the box body (3031) in a penetrating mode, one end of the drain pipe (3034) penetrates through the dewatering machine shell (1) and extends to the outside of the dewatering machine shell (1), the top and the bottom of the annular track (10) are both in a protruding mode, the central portion of the annular track (10) is in a circular arc shape, the number of the rolling assemblies (302) and the rolling wheels (301) is not less than one, and the elastic coefficient of elasticity of the spring (3024) inside the rolling assemblies (302) is larger at the position close to a discharge port.

2. The sludge dewatering machine and the sludge drying mechanism thereof according to claim 1, characterized in that: the utility model discloses a dehydration machine, including rolling wheel (301), pivot (6) and servo motor (7), rolling wheel (301) are hollow cylindric structure to the one end of rolling wheel (301) is fixed for the one end of closed form and pivot (6), the other end of pivot (6) passes through bearing movable mounting on the inner wall of dewatering machine shell (1), pivot (6) are connected with the output transmission of servo motor (7), and are the annular on the arc surface of rolling wheel (301) and arrange there is through-hole (8).

3. The sludge dewatering machine and the sludge drying mechanism thereof according to claim 1, characterized in that: the outer surface of the top end of the water inlet pipe (3032) is inclined.