Liquid pre-separation device for sludge drying

Abstract

The utility model discloses a liquid pre-separation device for sludge drying, which relates to the technical field of sludge treatment and comprises a settling tank, a fixed disc is distributed in the settling tank, a rotating disc is arranged below the fixed disc, a motor is mounted above the fixed disc, the output end of the motor is connected with a rotating shaft, and the rotating shaft is connected with a liquid outlet of the settling tank. And the rotating shaft is inserted in the center positions of the fixed disc and the rotating disc. By arranging the fixed disc and the rotating disc, the settling tank can be divided into a clear water area and a slurry area through the fixed disc and the rotating disc in the using process, so that the slurry area at the bottom of the tank body is not influenced during sludge discharging, and the situation that the whole settling tank is turbid due to the fact that a large amount of sludge is turned over during sludge discharging is avoided; a threaded rod and a guide rod are arranged, and before precipitation work, a worker can rotate a rotating rod in advance according to the content of silt in sludge, so that the height of a fixed disc and the height of a rotating disc are adjusted, and the mud separation effect is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of sludge treatment, in particular to a liquid pre-separation device for sludge drying. Background Art

[0002] In order to reduce the water content in sludge, achieve sludge reduction, and create conditions for subsequent treatment and transportation, it is necessary to dry the sludge. In order to improve the drying efficiency, before the drying treatment, the density difference between solid particles and liquid in the sludge is utilized, and under the action of gravity, the solid particles sink and the liquid floats, so as to realize pre-solid-liquid separation, which can effectively shorten the subsequent sludge drying time. And when the liquid in the sludge is pre-separated, a sedimentation tank will be used.

[0003] At present, the overall structure of the existing sedimentation tank is relatively simple. After the sedimentation is completed, the staff will open the valve arranged at the bottom of the tank body so that the sediment deposited at the bottom of the tank body is discharged from the bottom of the tank. When the sediment is discharged, the liquid in the tank is prone to shake, that is, the sediment is easily mixed into the clear liquid above the tank body again, which will affect the overall sedimentation effect of the device. For this reason, we propose a liquid pre-separation device for sludge drying to solve the above problems. Content of the Utility Model

[0004] The purpose of the utility model is to solve the defects existing in the prior art, and to propose a liquid pre-separation device for sludge drying.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A liquid pre-separation device for sludge drying, including a sedimentation tank. A fixed disk is distributed inside the sedimentation tank, and a rotating disk is arranged below the fixed disk. A motor is installed above the fixed disk, and the output end of the motor is connected with a rotating shaft. The rotating shaft is inserted at the central positions of the fixed disk and the rotating disk. The bottom end of the rotating shaft is connected with a cylindrical rod, and the inside of the cylindrical rod is connected with the lower side of the rotating disk through bolts. A water outlet pipe is arranged at the top end of the sedimentation tank.

[0007] Preferably, a support ring is connected to the inner wall of the sedimentation tank, and a threaded rod is connected above the support ring through a bearing. A thread groove adapted to the fixed disk is arranged on the left side of the fixed disk. A hole is arranged on the right side of the fixed disk, and a guiding rod is inserted inside the hole. The bottom end of the guiding rod is fixedly connected with the upper side of the support ring.

[0008] Preferably, the top end of the threaded rod is connected with a rotating rod, and anti-slip particles are evenly distributed on the outer surface of the rotating rod.

[0009] Preferably, the outside of the motor is covered with a protective cover, and the protective cover is arranged in a conical structure.

[0010] Preferably, a connecting ring is connected to the upper side of the rotating disk, and an annular groove adapted to the connecting ring is formed at the bottom end of the fixed disk.

[0011] Preferably, bolts are symmetrically inserted at both ends of the protective cover, and the bolts extend above the fixed disk.

[0012] Preferably, a perspective window is formed on the front surface of the sedimentation tank, and scale marks are distributed on the front surface of the sedimentation tank.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0014] 1. By providing a fixed disk and a rotating disk, during use, the sedimentation tank can be divided into two areas, clear water and mud, through the fixed disk and the rotating rotating disk, so that the mud area at the bottom of the tank body is not affected during sludge discharge, avoiding a large amount of sludge turning over when the sludge is discharged, making the entire sedimentation tank turbid, and thus avoiding affecting the entire sedimentation tank during sludge discharge, effectively ensuring the sedimentation effect of the device.

[0015] 2. By providing a threaded rod and a guiding rod, before the sedimentation work, the staff can adjust the heights of the fixed disk and the rotating disk by pre-rotating the rotating rod according to the sediment content in the sludge to ensure the separation effect of the mud and effectively improve the applicability of the device during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a three-dimensional structural schematic diagram of a liquid pre-separation device for sludge drying proposed by the present utility model;

[0017] Figure 2 is Figure 1 a three-dimensional sectional schematic diagram of the sedimentation tank and the water outlet pipe structure in

[0018] Figure 3 is Figure 1 a three-dimensional sectional schematic diagram of the motor and the protective cover structure in

[0019] Figure 4 is Figure 1 a three-dimensional sectional schematic diagram of the cylindrical rod and the rotating disk structure in

[0020] In the figure: 1, sedimentation tank; 2, fixed disk; 3, rotating disk; 4, motor; 5, rotating shaft; 6, cylindrical rod; 7, protective cover; 8, connecting ring; 9, rotating rod; 10, water outlet pipe; 11, support ring; 12, threaded rod; 13, guiding rod; 14, perspective window; 15, scale mark. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] Next, in combination with the accompanying drawings in the embodiments of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments.

[0022] Referring to Figures 1-4 , a liquid pre-separation device for sludge drying, including a sedimentation tank 1. A fixed disk 2 is distributed inside the sedimentation tank 1, and a rotating disk 3 is arranged below the fixed disk 2. A motor 4 is installed above the fixed disk 2, and the output end of the motor 4 is connected to a rotating shaft 5. The rotating shaft 5 is inserted at the central positions of the fixed disk 2 and the rotating disk 3. The bottom end of the rotating shaft 5 is connected to a cylindrical rod 6, and the inside of the cylindrical rod 6 is connected to the lower side of the rotating disk 3 through bolts. A water outlet pipe 10 is opened at the top end of the sedimentation tank 1. The driving principle of the motor 4 is prior art, and the rotating shaft 5 is movably inserted into the inside of the fixed disk 2. Therefore, when the rotating shaft 5 rotates, the fixed disk 2 will not rotate. Through the mutual cooperation of the cylindrical rod 6 and the bolts, when the rotating shaft 5 rotates, the rotating disk 3 can be driven to rotate together, so that the holes inside the rotating disk 3 and the fixed disk 2 are misaligned or coincide. When the holes inside the two coincide, the normal sedimentation of the sludge can be ensured. When the holes inside the two are misaligned, the blocking of the lower mortar area can be realized.

[0023] Furthermore, referring to Figure 3 it can be known that a support ring 11 is connected to the inner wall of the sedimentation tank 1, and a threaded rod 12 is connected above the support ring 11 through a bearing. A threaded groove adapted to the fixed disk 2 is opened on the left side of the fixed disk 2. A slot is opened on the right side of the fixed disk 2, and a guiding rod 13 is inserted into the inside of the slot. The bottom end of the guiding rod 13 is fixedly connected to the upper part of the support ring 11. Through the arrangement of the threaded rod 12 and the guiding rod 13, the heights of the fixed disk 2 and the rotating disk 3 can be adjusted in advance, thereby effectively improving the applicability of the device during use.

[0024] Furthermore, referring to Figure 2 it can be known that the top end of the threaded rod 12 is connected to a rotating rod 9, and anti-slip particles are evenly distributed on the outer surface of the rotating rod 9. Through the mutual cooperation of the rotating rod 9 and the anti-slip particles, the convenience of the staff rotating the threaded rod 12 can be improved.

[0025] Furthermore, referring to Figure 3 it can be known that a protective cover 7 is covered outside the motor 4, and the protective cover 7 is arranged in a conical structure. Through the arrangement of the protective cover 7, the surrounding protection of the outside of the motor 4 can be realized. Since the protective cover 7 is arranged in a conical shape, the adhesion of the slurry to the outside of the fixed disk 2 and the protective cover 7 can be effectively prevented.

[0026] Furthermore, referring to Figure 3and Figure 4 It can be known that a connecting ring 8 is connected to the upper side of the rotating disk 3, and an annular groove adapted to the connecting ring 8 is provided at the bottom end of the fixed disk 2. During the rotation of the rotating shaft 5 and the rotating disk 3 driven by the motor 4, the connecting ring 8 connected above it is forced to slide along the inner wall of the annular groove, so as to effectively ensure the stable rotation of the rotating disk 3.

[0027] Furthermore, referring to Figure 3 It can be known that bolts are symmetrically inserted at both ends of the protective cover 7, and the bolts extend above the fixed disk 2. The sedimentation tank 1 is composed of upper and lower parts, and the upper and lower parts of the sedimentation tank 1 are connected by bolts. When the device needs to be repaired, the staff can first disassemble the upper and lower groups of sedimentation tanks 1, and then remove the bolts inserted inside the protective cover 7 to remove the protective cover 7 from the outside of the motor 4, so as to facilitate the staff to repair the motor 4.

[0028] Furthermore, referring to Figure 1 It can be known that a perspective window 14 is provided on the front surface of the sedimentation tank 1, and scale marks 15 are distributed on the front surface of the sedimentation tank 1. Through the setting of the perspective window 14 and the scale marks 15, it is convenient for the staff to check the heights of the rotating disk 3 and the fixed disk 2, and it is also convenient for the staff to observe the sedimentation situation inside the sedimentation tank 1.

[0029] Working principle: When the present utility model is in use, the staff can first place the device at a suitable position. When sedimentation operation is required, the staff can first manually rotate the rotating rod 9 according to the sediment content in the sludge, thereby driving the simultaneous rotation of the threaded rod 12, so that the threaded rod 12 and the fixed disk 2 are in threaded fit. With the perspective window 14 distributed on the front surface of the sedimentation tank 1, the fixed disk 2 and the rotating disk 3 can be adjusted to a suitable height. After the adjustment is completed, the staff can transport the sludge into the sedimentation tank 1 and let it stand for a period of time to achieve the purpose of sedimentation. When it is necessary to discharge the slurry below the sedimentation tank 1, the staff can first remotely start the rotation of the motor 4 to drive the rotation of the rotating disk 3, so that the holes opened inside it are misaligned with the holes inside the fixed disk 2, so as to separate the slurry area and the clear water area. Therefore, during the discharge of the slurry, the slurry will not turn up and muddy the clear water area above the sedimentation tank 1. Then the staff can drain the clear water inside the sedimentation tank 1 through the water outlet pipe 10. The above is the entire working principle of the present utility model.

[0030] In the present utility model, the installation methods, connection methods or setting methods of all the above-mentioned components are common mechanical methods, and the specific structures, models and coefficient indexes of all its components are its own technologies. As long as the beneficial effects can be achieved, they can be implemented, so no more details will be described.

[0031] The above embodiments are the preferred embodiments of the present invention. However, the embodiments of the present invention are not limited to the above embodiments. Any other changes, modifications, substitutions, combinations, or simplifications made without departing from the spirit and principle of the present invention shall be equivalent replacement methods and are all included in the protection scope of the present invention.

[0032] In the present invention, unless otherwise stated, the directional terms such as "up and down, left and right, front and back, inside and outside, vertical and horizontal" included in the terms only represent the directions of the terms in the normal use state, or the common names understood by those skilled in the art, and should not be regarded as a limitation of the terms. At the same time, the numerical terms such as "first", "second", and "third" do not represent specific quantities and orders, but are only used for name distinction. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device.

Claims

1. A liquid pre-separation device for sludge drying, comprising a sedimentation tank (1), characterized in that, Inside the precipitation tank (1), a fixed disk (2) is distributed, and a rotating disk (3) is arranged below the fixed disk (2). Above the fixed disk (2), a motor (4) is installed, and the output end of the motor (4) is connected to a rotating shaft (5). The rotating shaft (5) is inserted at the central positions of the fixed disk (2) and the rotating disk (3). The bottom end of the rotating shaft (5) is connected to a cylindrical rod (6), and the inside of the cylindrical rod (6) is connected to the lower side of the rotating disk (3) through bolts. An outlet pipe (10) is opened at the top end of the precipitation tank (1).

2. The liquid pre-separation device for sludge drying according to claim 1, wherein The inner wall of the precipitation tank (1) is connected with a support ring (11), and above the support ring (11), a threaded rod (12) is connected through a bearing. A threaded groove adapted to the fixed disk (2) is opened on the left side of the fixed disk (2). A hole is opened on the right side of the fixed disk (2), and a guiding rod (13) is inserted into the hole. The bottom end of the guiding rod (13) is fixedly connected to the upper side of the support ring (11).

3. The liquid pre-separation device for sludge drying according to claim 2, characterized in that, The top end of the threaded rod (12) is connected with a rotating rod (9), and anti-slip particles are evenly distributed on the outer surface of the rotating rod (9).

4. The liquid pre-separation device for sludge drying according to claim 1, characterized in that, The outside of the motor (4) is covered with a protective cover (7), and the protective cover (7) is arranged in a conical structure.

5. The liquid pre-separation device for sludge drying according to claim 1, characterized in that, A connecting ring (8) is connected to the upper side of the rotating disk (3), and an annular groove adapted to the connecting ring (8) is opened at the bottom end of the fixed disk (2).

6. A liquid pre-separation device for sludge drying according to claim 4, characterized in that Bolts are symmetrically inserted at both ends of the protective cover (7), and the bolts extend above the fixed disk (2).

7. A liquid pre-separation device for sludge drying according to claim 1, characterized in that A perspective window (14) is opened on the front surface of the precipitation tank (1), and scale marks (15) are distributed on the front surface of the precipitation tank (1).

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