High-efficiency and environmentally friendly sewage centrifuge for electroplating sludge

Abstract

The invention relates to the technical field of sewage treatment, in particular to an efficient and environmentally friendly sewage centrifuge for electroplating sludge, comprising a cylinder, a centrifugal assembly is arranged inside the cylinder, the centrifugal assembly comprises a centrifugal cylinder installed inside the cylinder, a centrifugal impeller is installed inside the centrifugal cylinder, a plurality of installation cavities are opened on the centrifugal cylinder, and a precision filter is fixedly connected in the installation cavity; the invention realizes multi-stage centrifugal solid-liquid separation of electroplating sludge water by combining the centrifugal assembly with a rotating seat, improves the electroplating sewage treatment effect, and cooperates with a plurality of rotating seats to adopt intermittent positive and reverse alternating use to realize the simultaneous centrifugal dehydration and sludge discharge, and combines with a vibration cleaning assembly in the conversion process to realize the filter cleaning during separation and sludge discharge synchronously to avoid the clogging of the filter mesh, thereby achieving the continuous efficient self-cleaning electroplating sludge water centrifugal separation effect.

Description

Technical Field

[0001] The invention relates to the technical field of sewage treatment, in particular to a high-efficiency and environment-friendly sewage centrifugal separator for electroplating sludge. Background Art

[0002] Electroplating sludge refers to the precipitate produced during the treatment of electroplating wastewater, which is mainly composed of heavy metal hydroxides such as copper and chromium. When treating electroplating wastewater, solid-liquid separation equipment is required to separate the wastewater from the sludge.

[0003] For example, in the prior art, a sewage filtration device for sewage treatment with publication number CN220664967U uses two filter cartridges for synchronous or alternating use to improve the efficiency of solid-liquid separation. However, during the filtration and separation process, it is difficult to achieve a continuous, efficient, self-cleaning separation effect because the sludge impurities cannot be discharged synchronously and autonomously, resulting in the need to shut down the machine or perform manual cleaning, which reduces the sewage treatment efficiency and increases the labor intensity of cleaning.

[0004] In view of the above technical defects, a solution is now proposed. Summary of the invention

[0005] The object of the present invention is to provide a highly efficient and environmentally friendly sewage centrifuge for electroplating sludge to solve the above-mentioned technical defects.

[0006] The object of the present invention can be achieved by the following technical scheme: an efficient and environmentally friendly sewage centrifuge for electroplating sludge, comprising a cylinder, a centrifugal assembly is arranged inside the cylinder, the centrifugal assembly comprises a centrifugal cylinder installed inside the cylinder, and a centrifugal impeller is installed inside the centrifugal cylinder, a plurality of installation cavities distributed in an annular array are opened on the centrifugal cylinder, a precision filter screen with an arc structure is fixedly connected in the installation cavity, and a rotating seat is rotatably connected, and a coarse filter screen is installed on the rotating seat; A vibrating cleaning assembly is arranged on the rotating seat, and the vibrating cleaning assembly comprises a fixing ring fixedly connected to the top of the rotating seat, and a plurality of protrusions are fixedly connected to the inner wall of the fixing ring at equal distances, a rotating sleeve is arranged inside the fixing ring, and a plurality of elastic rods are installed on the rotating sleeve.

[0007] Preferably, an auxiliary ring rotatably connected to the cylinder body is fixedly connected to the bottom of the outer wall of the centrifugal cylinder, a liquid discharge pipe and a mud discharge pipe are respectively installed on the top and bottom sides of the auxiliary ring on the outer wall of the cylinder body, and the top of the cylinder body is connected to a liquid inlet pipe extending into the interior of the centrifugal cylinder.

[0008] Preferably, a rotating tube rotatably connected to the cylinder body is fixedly connected to the bottom of the centrifugal cylinder, and a rotating rod rotatably connected to the centrifugal impeller is rotatably connected to the inside of the rotating tube. A motor is bolted to the centrifugal cylinder, and a driving bevel gear is installed on the motor output shaft. A driven bevel gear meshing with the driving bevel gear is installed on the rotating tube and the rotating rod.

[0009] Preferably, a filter chamber and a mud storage chamber that are connected are provided on the rotating seat, the coarse filter is fixedly installed inside the filter chamber, and a plurality of mud storage chambers that are spaced apart are in contact with corresponding fine filter chambers.

[0010] Preferably, a scraper that slides with the precision filter is fixedly connected to one side of the mud storage chamber, a closing plate for blocking the filter chamber outlet is rotatably connected inside the mud storage chamber, and a reset torsion spring is installed between the top of the closing plate and the mud storage chamber.

[0011] Preferably, mud discharge port 1 and mud discharge port 2 are respectively provided at the bottom of the installation cavity and on both sides of the axis of the rotating seat, mud discharge port 3 matching with mud discharge port 2 is provided at the bottom of the mud storage cavity, and an impeller-type mud discharge knife is fixedly connected to the bottom of the centrifugal cylinder.

[0012] Preferably, a mud guide plate is hingedly connected on the inner wall of the centrifugal cylinder between the two groups of rotating seats, a limiting slide groove is provided on the outer wall of the rotating seat, and a slider is slidably connected in the limiting slide groove, and a support rod is hinged between the slider and the corresponding mud guide plate.

[0013] Preferably, a mounting shaft rotatably connected to a rotating sleeve is fixedly connected to the top of the rotating seat, a driven gear is fixedly connected to the rotating sleeve, and a gear ring meshing with the driven gear is installed on the inner wall of the cylinder.

[0014] Preferably, a push sleeve is slidably connected to the installation shaft, and oblique guide grooves are symmetrically opened on the annular inner wall of the push sleeve. A guide column matching the oblique guide grooves is fixedly connected to the installation shaft, and the oblique guide grooves on two adjacent groups of push sleeves are arranged to be inclined in opposite directions.

[0015] Preferably, a plurality of the pushing sleeves are installed at the bottom of the same rotating ring, and the top of the rotating ring is rotatably connected to the pushing ring, and the top of the cylinder is connected to the pushing ring via an electric push rod.

[0016] The beneficial effects of the present invention are as follows: (1) The present invention combines the rotating seat on the centrifugal cylinder with the precision filter screen to achieve multi-stage centrifugal solid-liquid separation treatment for electroplating sludge water, thereby improving the treatment effect of electroplating wastewater; and the multiple rotating seats are used alternately in the forward and reverse directions in an interval manner with the precision filter screen, so that the electroplating sludge that blocks the separation can be discharged synchronously during the centrifugal separation, and the rotation of the scraper carried by the rotating seat can simultaneously complete the cleaning of the sludge on the surface of the precision filter screen, and the centrifugal force of the rotation of the centrifugal cylinder can clean the sludge on the surface of the coarse filter screen, thereby achieving a continuous, efficient and self-cleaning centrifugal separation effect of electroplating sludge water; in addition, with the help of the rotation of the rotating seat, the deflection of the mud guide plate is linked, and the installation cavity for mud discharge treatment is closed at the same time to avoid the discharge of undehydrated new mud, and to assist in guiding the splashing sludge water into the installation cavity for separation treatment, thereby further improving the efficiency of centrifugal separation; (2) The present invention also promotes the knocking contact between the elastic rod and the plurality of protrusions through the rotation of the centrifugal cylinder and the meshing of the gear ring and the driven gear, thereby generating high-frequency vibration on the rotating seat. On the one hand, during the centrifugal separation process, most of the sludge on the coarse filter and the fine filter is caused to fall into the installation cavity and the mud storage cavity, thereby avoiding the problem that the new mud covers the old mud layer by layer, causing the old mud to hinder the centrifugal separation efficiency of the sewage in the new mud. On the other hand, during the mud discharge process, the anti-blocking and cleaning of the coarse filter and the fine filter mesh is further achieved, thereby ensuring the high efficiency during centrifugal separation and assisting the discharge of the fallen sludge. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The present invention will be further described below in conjunction with the accompanying drawings; Figure 1 It is a schematic diagram of the structure of the present invention; Figure 2 It is a schematic diagram of the installation of the internal structure of the cylinder of the present invention; Figure 3 It is a structural schematic diagram of the cylinder of the present invention; Figure 4 It is a structural schematic diagram of the centrifugal assembly of the present invention; Figure 5 The structure of the rotating seat of the present invention is shown in FIG. Figure 1 ; Figure 6 The structure of the rotating seat of the present invention is shown in FIG. Figure 2 ; Figure 7 It is a schematic diagram of the structure of the vibration cleaning assembly of the present invention; Figure 8 It is a structural schematic diagram of the push sleeve of the present invention; Fig. 9 The centrifugal assembly of the present invention and the rotating seat are shown in FIG. Figure 1 ; Fig.10 The centrifugal assembly of the present invention and the rotating seat are shown in FIG. Figure 2.

[0018] Legend: 1. Cylinder; 11. Gear ring; 2. Centrifugal assembly; 21. Centrifugal cylinder; 22. Centrifugal impeller; 23. Mounting cavity; 24. Precision filter; 25. Motor; 26. Active bevel gear; 27. Driven bevel gear; 28. Mud discharge port 1; 29. ​​Mud discharge port 2; 210. Impeller type mud discharge knife; 211. Mud guide plate; 3. Rotating seat; 31. Coarse filter screen; 32. Filter chamber; 33. Mud storage chamber; 34. Mud scraper; 35. Closing plate; 36. Mud discharge port 3; 37. Limiting slide; 38. Sliding block; 39. Support rod; 4. Vibration cleaning assembly; 41. Fixed ring; 42. Rotating sleeve; 43. Elastic rod; 44. Mounting shaft; 45. Driven gear; 46. Push sleeve; 47. Oblique guide groove; 48. Guide column; 49. Electric push rod. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] Example 1: Please refer to Figure 1-Figure 6 , Fig. 9 and Fig.10 As shown, the problem that the existing technology cannot discharge sludge impurities autonomously and is difficult to achieve continuous and efficient self-cleaning separation can be solved by the following solution; The high-efficiency and environment-friendly electroplating sludge sewage centrifuge in this embodiment comprises a cylinder 1, a centrifugal assembly 2 is arranged inside the cylinder 1, the centrifugal assembly 2 comprises a centrifugal cylinder 21 installed inside the cylinder 1, the centrifugal cylinder 21 is used to drive a plurality of rotating seats 3 and a precision filter 24 installed with a coarse filter 31 to rotate circumferentially, thereby promoting the electroplating sludge water entering the centrifugal cylinder 21 to be centrifugally separated, and a centrifugal impeller 22 is installed inside the centrifugal cylinder 21; The centrifugal impeller 22 rotates to diffuse the incoming sludge water, thereby assisting the sludge water to uniformly contact the inner wall of the centrifugal cylinder 21, thereby improving the separation efficiency of the electroplating sludge water. The centrifugal cylinder 21 is provided with a plurality of mounting cavities 23 distributed in a circular array. The mounting cavities 23 penetrate the inner and outer walls of the centrifugal cylinder 21 and are used for the rotational installation of the rotating seat 3 and the fixed installation of the precision filter 24. The precision filter 24 with an arc-shaped structure is fixedly connected in the mounting cavity 23. The arc-shaped inner wall of the precision filter screen 24 fits with the annular outer wall of the rotating seat 3 for fitting sliding therebetween and being rotatably connected with the rotating seat 3, and a coarse filter screen 31 is installed on the rotating seat 3. By combining the precision filter screen 24 on the centrifugal cylinder 21 with the coarse filter screen 31 on the rotating seat 3, multi-stage centrifugal solid-liquid separation treatment of electroplating sludge water can be achieved, thereby improving the treatment effect of electroplating wastewater.

[0021] An auxiliary ring rotatably connected to the cylinder body 1 is fixedly connected to the bottom of the outer wall of the centrifugal cylinder 21, so that the upper part of the cylinder body 1 is divided into a water outlet chamber and the lower part is divided into a sludge chamber, thereby realizing zoned isolation and discharge of the two. A liquid discharge pipe and a sludge discharge pipe are respectively installed on the top and bottom sides of the auxiliary ring on the outer wall of the cylinder body 1, which are used for discharging sewage and sludge respectively. The top of the cylinder body 1 is connected to a liquid inlet pipe extending to the inside of the centrifugal cylinder 21, and the liquid inlet pipe is used for injecting sludge water. The axis of the liquid inlet pipe coincides with the axis of the centrifugal impeller 22, and combined with the centrifugal impeller 22, it helps to realize the diffusion and splashing of sludge water around.

[0022] A rotating tube rotatably connected to the cylinder 1 is fixedly connected to the bottom of the centrifugal cylinder 21, and the end of the rotating tube penetrates to the outside of the cylinder 1, and a rotating rod rotatably connected to the centrifugal impeller 22 is rotatably connected inside the rotating tube, and one end of the rotating rod penetrates to the outside of the rotating tube. A motor 25 is bolted to the centrifugal cylinder 21, and a driving bevel gear 26 is installed on the output shaft of the motor 25. A driven bevel gear 27 meshing with the driving bevel gear 26 is installed on the rotating tube and the rotating rod. The motor 25 drives the centrifugal drum 21 and the centrifugal impeller 22 to rotate in the opposite direction through the meshing active bevel gear 26 and the driven bevel gear 27. The centrifugal drum 21 drives the multiple rotating seats 3 to rotate circumferentially, and the electroplating sludge water containing the electroplating sludge is injected into the centrifugal drum 21 through the liquid inlet pipe. The centrifugal impeller 22 rotating in the opposite direction evenly throws the sludge water onto the inner wall of the centrifugal drum 21. The sludge in the sludge water is first centrifugally separated by the coarse filter 31 on the rotating seat 3, and then contacts the fine filter 24 to complete the secondary centrifugal separation. The centrifugally separated sewage enters the cylinder 1 above the auxiliary ring, and is then discharged through the drain pipe.

[0023] The rotating seat 3 is provided with a filter chamber 32 and a mud storage chamber 33 which are connected to each other. The coarse filter screen 31 is fixedly installed inside the filter chamber 32. The filter chamber 32 is used for the sludge water to pass through the rotating seat 3 and contact with the fine filter screen 24 after being filtered by the coarse filter screen 31. The cross section of the rotating seat 3 is crescent-shaped, so that the sludge filtered by the coarse filter screen 31 can be stored in the installation chamber 23. The mud storage chamber 33 is used for storing the sludge filtered by the fine filter screen 24. A plurality of mud storage chambers 33 distributed at intervals are in contact with the corresponding precision filter screens 24, so that after the plurality of rotating seats 3 are distributed in a circular array, the corresponding rotating seats 3 located on one side of the mud storage chamber 33 are in contact with the precision filter screen 24 at intervals for multi-stage filtration treatment of sludge water, and the remaining rotating seats 3 are in contact with the precision filter screen 24 on one side of the filter chamber 32 for filtering and discharging sludge. By using the plurality of rotating seats 3 in an interval manner in alternating forward and reverse directions in conjunction with the precision filter screen 24, the electroplating sludge that is blocked and separated can be discharged synchronously during centrifugal separation.

[0024] A scraper 34 that slides with the precision filter 24 is fixedly connected to one side of the mud storage chamber 33, and a closing plate 35 for blocking the outlet of the filter chamber 32 is rotatably connected inside the mud storage chamber 33, and a return torsion spring is installed between the top of the closing plate 35 and the mud storage chamber 33. Under the action of centrifugal force, the closing plate 35 in the mud storage chamber 33 that contacts the precision filter 24 on the rotating seat 3 overcomes the twisting elastic force of the return torsion spring and then turns over, so that the mud storage chamber 33 is connected with the filter chamber 32. As the rotating seat 3 rotates, the centrifugal force on the closing plate 35 gradually decreases, and combined with the twisting elastic force of the return spring, the filter chamber 32 is blocked. At this time, the sludge filtered on the precision filter 24 is scraped off by the scraper 34 and stored in the sludge storage chamber 33, and the rotating centrifugal force of the centrifuge cylinder 21 cleans the sludge on the surface of the coarse filter 31, thereby achieving a continuous, efficient, self-cleaning electroplating sludge water centrifugal separation effect.

[0025] A mud discharge port 1 28 and a mud discharge port 29 are respectively provided at the bottom of the installation chamber 23 and on both sides of the axis of the rotating seat 3. A mud discharge port 36 cooperating with the mud discharge port 29 is provided at the bottom of the mud storage chamber 33. With the rotation of the rotating seat 3, the mud filtered by the coarse filter 31 in the installation chamber 23 is pushed to move to the mud discharge port 1 28. At the same time, the mud discharge port 29 is communicated with the mud discharge port 36. The mud in the installation chamber 23 and the mud storage chamber 33 enters the interior of the cylinder 1 below the auxiliary ring through the mud discharge port 1 28 and the mud discharge port 2 29 respectively. When one side of the mud storage chamber 33 on the rotating seat 3 contacts the precision filter 24, the crescent groove on the rotating seat 3 is separated from the mud discharge port 1 28, and the mud discharge port 29 is separated from the mud discharge port 3 36, thereby avoiding the separated sewage from being discharged through the mud chamber. The bottom of the centrifugal cylinder 21 is fixedly connected with an impeller-type mud discharge knife 210, and the rotating centrifugal cylinder 21 drives the impeller-type mud discharge knife 210 to rotate, thereby discharging the sludge through the mud discharge pipe.

[0026] A mud guide plate 211 is hingedly connected between the two groups of rotating seats 3 on the inner side wall of the centrifugal cylinder 21, and a limit slide groove 37 is provided on the outer wall of the rotating seat 3. A slider 38 is slidably connected in the limit slide groove 37, and a support rod 39 is hingedly connected between the slider 38 and the corresponding mud guide plate 211; During the rotation of the rotating seat 3, the other side of the limiting slide groove 37 pushes the slider 38, causing the mud guide plates 211 on both sides of the rotating seat 3 to rotate relative to each other, thereby blocking the installation cavity 23, and closing the installation cavity 23 for mud discharge treatment to avoid the discharge of undehydrated new mud, and assist in guiding the splashing mud water into the installation cavity 23 for separation treatment, thereby further improving the efficiency of centrifugal separation.

[0027] A push sleeve 46 is slidably connected to the installation shaft 44, and an oblique guide groove 47 is symmetrically opened on the annular inner wall of the push sleeve 46. A guide column 48 matching the oblique guide groove 47 is fixedly connected to the installation shaft 44. The push sleeve 46 moves downward, and the oblique guide groove 47 on the inner wall of the push sleeve 46 guides the guide column 48, so that the rotating seat 3 rotates 180 degrees; The mud storage chamber 33 is caused to rotate to the side away from the precision filter screen 24, and the closing plate 35 blocks the filter chamber 32 under the action of the torsional elastic force and centrifugal force of the return torsion spring. The oblique guide grooves 47 on the two adjacent groups of push sleeves 46 are tilted in opposite directions, which simultaneously causes the side of the mud storage chamber 33 on the partial rotating seat 3 to rotate to the side close to the precision filter screen 24.

[0028] A plurality of push sleeves 46 are installed at the bottom of the same rotating ring, and the top of the rotating ring is rotatably connected with the push ring. The top of the cylinder 1 is connected to the push ring through an electric push rod 49. The piston rod of the electric push rod 49 extends, prompting the push ring to drive the rotating ring to carry the push sleeve 46 to move downward. The rotating ring and the push plate set do not affect the circumferential rotation of the push sleeve 46 driven by the rotating seat 3.

[0029] Example 2: Please refer to Figure 3-Figure 8 As shown, the problem that it is difficult to achieve efficient self-cleaning of the filter screen only by rotating the rotating seat can be solved by the following solution; In this embodiment, a vibration cleaning assembly 4 is provided on the rotating seat 3, and the vibration cleaning assembly 4 includes a fixed ring 41 fixedly connected to the top of the rotating seat 3, and a plurality of convex parts are fixedly connected to the inner wall of the fixed ring 41 at equal intervals, and a rotating sleeve 42 is provided inside the fixed ring 41, and a plurality of elastic rods 43 are installed on the rotating sleeve 42. The plurality of elastic rods 43 are driven by the rotating sleeve 42 to rotate circumferentially, so that they are in knocking contact with the plurality of convex parts in the fixed ring 41, thereby generating high-frequency vibration on the rotating seat 3; Most of the sludge on the coarse filter 31 and the fine filter 24 is caused to fall into the installation cavity 23 and the mud storage cavity 33, so as to prevent the old mud from hindering the centrifugal separation efficiency of the sewage in the new mud. Through the knocking contact between the elastic rod 43 and the multiple protrusions, during continuous centrifugal separation, the high-frequency vibration formed by the vibrating cleaning component 4 on the rotating seat 3 and the rotating centrifugal force are used to continuously clean the sludge on the coarse filter 31 and the fine filter 24, thereby ensuring the high efficiency during centrifugal separation and assisting the sludge to be discharged through the sludge outlet.

[0030] A mounting shaft 44 rotatably connected to a rotating sleeve 42 is fixedly connected to the top of the rotating seat 3, a driven gear 45 is fixedly connected to the rotating sleeve 42, a gear ring 11 meshing with the driven gear 45 is mounted on the inner wall of the cylinder 1, and the circumferential rotation of the rotating seat 3 causes the driven gear 45 meshing with the gear ring 11 to rotate, thereby driving the plurality of elastic rods 43 to rotate.

[0031] Example 3: Please refer to Figure 1-Figure 10 As shown, the present invention also provides a method for using a high-efficiency and environmentally friendly electroplating sludge sewage centrifuge, comprising the following steps: Step 1: The motor 25 drives the centrifugal cylinder 21 and the centrifugal impeller 22 to rotate in the opposite direction through the meshing active bevel gear 26 and the driven bevel gear 27. The centrifugal cylinder 21 drives the multiple rotating seats 3 to rotate circumferentially. The closing plate 35 in the mud storage chamber 33 on the rotating seat 3 that contacts the precision filter 24 overcomes the twisting elastic force of the reset torsion spring under the action of centrifugal force and then turns over, so that the mud storage chamber 33 and the filter chamber 32 are connected. The electroplating sludge water containing the electroplating sludge is injected into the centrifugal cylinder 21 through the liquid inlet pipe, and the reversely rotating centrifugal impeller 22 evenly throws the sludge water onto the inner wall of the centrifugal cylinder 21. Step 2: The sludge water is guided by the mud guide plate 211 and contacts the rotating seats 3 that are spaced apart. The sludge in the sludge water is first centrifugally separated by the coarse filter 31 on the rotating seat 3, and then passes through the filter chamber 32 and the mud storage chamber 33 in sequence to contact the fine filter 24 to complete the secondary centrifugal separation. The centrifugally separated sewage enters the cylinder 1 above the auxiliary ring and is then discharged through the drain pipe. Step 3: The driven gear 45 meshing with the gear ring 11 is caused to rotate by the circumferential rotation of the rotating seat 3, driving the multiple elastic rods 43 to rotate and make knocking contact with the multiple protrusions, thereby forming a high-frequency vibration on the rotating seat 3, causing most of the sludge on the coarse filter 31 and the fine filter 24 to fall into the installation cavity 23 and the sludge storage cavity 33, so as to prevent the old sludge from hindering the centrifugal separation efficiency of the sewage in the new sludge; Step 4: The piston rod of the electric push rod 49 is extended to drive the push ring to drive the rotating ring to carry the push sleeve 46 to move downward, and the rotating seat 3 is driven to rotate 180 degrees through the guidance of the oblique guide groove 47 and the guide column 48 on the inner wall of the push sleeve 46, so that the mud storage chamber 33 is rotated to the side away from the precision filter 24, and the closing plate 35 blocks the filter chamber 32 under the torsional elastic force and centrifugal force of the return torsion spring, and the mud storage chambers 33 on the rotating seats 3 on both sides are rotated to the side close to the precision filter 24; Step 5: During the rotation of the rotating seat 3, the other side of the limiting slide groove 37 pushes the slider 38, causing the mud guide plates 211 on both sides of the rotating seat 3 to rotate relative to each other, thereby blocking the installation cavity 23 and guiding the splashing mud water into the installation cavity 23 on both sides thereof. With the rotation of the rotating seat 3, the mud filtered on the precision filter screen 24 is scraped off by the mud scraper 34 and stored in the mud storage cavity 33, and at the same time, the mud filtered by the coarse filter screen 31 in the installation cavity 23 is pushed to move to the mud discharge port 1 28, and the mud discharge port 2 29 is communicated with the mud discharge port 3 36. The mud in the installation cavity 23 and the mud storage cavity 33 enters the interior of the cylinder 1 below the auxiliary ring through the mud discharge port 1 28 and the mud discharge port 2 29, and then is discharged through the mud discharge pipe in combination with the rotating impeller mud discharge knife 210; During continuous centrifugal separation, the high-frequency vibration of the rotating seat 3 formed by the vibrating cleaning component 4 and the rotating centrifugal force are used to continuously clean the sludge on the coarse filter 31 and the fine filter 24, and assist the sludge to be discharged through the sludge outlet.

[0032] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A highly efficient and environmentally friendly electroplating sludge sewage centrifuge, comprising a cylinder (1), characterized in that: A centrifugal assembly (2) is arranged inside the cylinder (1), the centrifugal assembly (2) comprising a centrifugal cylinder (21) mounted inside the cylinder (1), a centrifugal impeller (22) being mounted inside the centrifugal cylinder (21), a plurality of mounting cavities (23) distributed in a ring array being provided on the centrifugal cylinder (21), a precision filter screen (24) having an arc-shaped structure being fixedly connected inside the mounting cavity (23), and a rotating seat (3) being rotatably connected thereto, and a coarse filter screen (31) being mounted on the rotating seat (3); A vibrating cleaning assembly (4) is arranged on the rotating seat (3), the vibrating cleaning assembly (4) comprising a fixing ring (41) fixedly connected to the top of the rotating seat (3), a plurality of protrusions being fixedly connected at equal intervals on the inner wall of the fixing ring (41), a rotating sleeve (42) being arranged inside the fixing ring (41), and a plurality of elastic rods (43) being mounted on the rotating sleeve (42).

2. The high-efficiency and environmentally friendly electroplating sludge sewage centrifuge according to claim 1 is characterized in that: An auxiliary ring rotatably connected to the cylinder body (1) is fixedly connected to the bottom of the outer wall of the centrifugal cylinder (21); a liquid discharge pipe and a mud discharge pipe are respectively installed on the outer wall of the cylinder body (1) at the top and bottom sides of the auxiliary ring; and a liquid inlet pipe extending into the interior of the centrifugal cylinder (21) is connected to the top of the cylinder body (1).

3. The high-efficiency and environmentally friendly electroplating sludge sewage centrifuge according to claim 1 is characterized in that: A rotating tube rotatably connected to the cylinder body (1) is fixedly connected to the bottom of the centrifugal cylinder (21), and a rotating rod rotatably connected to the centrifugal impeller (22) is rotatably connected to the interior of the rotating tube. A motor (25) is bolted to the centrifugal cylinder (21), and a driving bevel gear (26) is mounted on the output shaft of the motor (25). A driven bevel gear (27) meshing with the driving bevel gear (26) is mounted on both the rotating tube and the rotating rod.

4. The efficient and environmentally friendly electroplating sludge sewage centrifuge according to claim 1 is characterized in that: The rotating seat (3) is provided with a filter chamber (32) and a mud storage chamber (33) which are connected to each other. The coarse filter screen (31) is fixedly mounted inside the filter chamber (32). A plurality of the mud storage chambers (33) which are spaced apart are in contact with corresponding fine filter screens (24).

5. The efficient and environmentally friendly electroplating sludge sewage centrifuge according to claim 4 is characterized in that: A mud scraper (34) that slides with the precision filter screen (24) is fixedly connected to one side of the mud storage chamber (33), a closing plate (35) for blocking the outlet of the filter chamber (32) is rotatably connected inside the mud storage chamber (33), and a return torsion spring is installed between the top of the closing plate (35) and the mud storage chamber (33).

6. The efficient and environmentally friendly electroplating sludge sewage centrifuge according to claim 5 is characterized in that: A mud discharge port 1 (28) and a mud discharge port 2 (29) are respectively provided at the bottom of the installation cavity (23) and on both sides of the axis of the rotating seat (3); a mud discharge port 3 (36) matching with the mud discharge port 2 (29) is provided at the bottom of the mud storage cavity (33); and an impeller-type mud discharge knife (210) is fixedly connected to the bottom of the centrifugal cylinder (21).

7. The high-efficiency and environmentally friendly electroplating sludge sewage centrifuge according to claim 1 is characterized in that: A mud guide plate (211) is hingedly connected between the two groups of rotating seats (3) on the inner side wall of the centrifugal cylinder (21), a limiting sliding groove (37) is provided on the outer wall of the rotating seat (3), and a sliding block (38) is slidably connected in the limiting sliding groove (37), and a support rod (39) is hingedly connected between the sliding block (38) and the corresponding mud guide plate (211).

8. The efficient and environmentally friendly electroplating sludge sewage centrifuge according to claim 1 is characterized in that: A mounting shaft (44) rotatably connected to a rotating sleeve (42) is fixedly connected to the top of the rotating seat (3); a driven gear (45) is fixedly connected to the rotating sleeve (42); and a gear ring (11) meshing with the driven gear (45) is mounted on the inner wall of the cylinder (1).

9. The high-efficiency and environmentally friendly electroplating sludge sewage centrifuge according to claim 8, characterized in that: A push sleeve (46) is slidably connected to the installation shaft (44), and an annular inner wall of the push sleeve (46) is symmetrically provided with oblique guide grooves (47). A guide column (48) matching the oblique guide grooves (47) is fixedly connected to the installation shaft (44), and the oblique guide grooves (47) on two adjacent groups of push sleeves (46) are arranged to be inclined in opposite directions.

10. The high-efficiency and environmentally friendly electroplating sludge sewage centrifuge according to claim 9, characterized in that: A plurality of the pushing sleeves (46) are mounted on the bottom of the same rotating ring, and the top of the rotating ring is rotatably connected to the pushing ring, and the top of the cylinder (1) is connected to the pushing ring via an electric push rod (49).

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