Dehydration device for sludge treatment
By designing a sludge treatment device that includes a filter press, a squeezing mechanism, and a dredging mechanism, the problem of filter pore clogging was solved, continuous dewatering was achieved, and the efficiency of sludge treatment was improved.
Patent Information
- Application Number
- CN202520047528.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-09
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2035-01-09
AI Technical Summary
In existing sludge treatment processes, the squeezing mechanism causes filter pores to become clogged, affecting water discharge and resulting in poor dewatering.
A dewatering device for sludge treatment was designed, comprising a filter press, a squeezing mechanism, and a clearing mechanism. The squeezing mechanism pushes the clearing mechanism to open the filter holes, and the clearing mechanism clears the filter holes when the squeezing mechanism rises to avoid clogging.
It effectively avoids filter clogging, ensures continuous dewatering of sludge, and improves dewatering efficiency.
Smart Images
Figure CN223737902U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to sludge treatment technical field, specifically a kind of dewatering device for sludge treatment. BACKGROUND
[0002] Dehydrated sludge mainly refers to the solid residue remaining after wet sludge is dehydrated by drainage or filtration. The non-toxic dehydrated sludge after various dehydration treatments can be directly used as fertilizer in farmland. Similarly, in order to reduce the volume of sludge before treatment, it is necessary to remove part of the water for easy transportation and further treatment.
[0003] In the process of sludge treatment, centrifugation and extrusion methods are used to remove water from sludge. The dewatering method by extrusion generally puts the sludge into a filter press box with filter holes at the bottom, and then extrudes the sludge by an extrusion mechanism to discharge water. However, due to the extrusion of the extrusion mechanism, part of the sludge may block the filter holes of the filter press box, affecting the discharge of water from the filter holes and the subsequent extrusion and dewatering effect. Therefore, the technical personnel in the field propose a dewatering device for sludge treatment to solve the problems raised in the above background. SUMMARY
[0004] The purpose of the utility model is to provide a dewatering device for sludge treatment to solve the problems raised in the above background.
[0005] To achieve the above purpose, the utility model provides the following technical scheme:
[0006] A dewatering device for sludge treatment, comprising a frame, a rotating shaft is rotatably arranged on the frame, a filter press box is installed on the rotating shaft, a filter press cavity is formed in the filter press box, a plurality of filter holes are regularly arranged at the bottom of the filter press cavity, an extrusion mechanism is installed on the frame for extruding and dewatering the sludge placed in the filter press cavity, an elastic mechanism is arranged at both sides of the bottom of the filter press box, a dredging mechanism is connected to the elastic mechanism, the elastic mechanism provides elastic tension to the dredging mechanism, and the dredging mechanism dredges the blocked filter holes.
[0007] As a further scheme of the utility model, a motor connected to the rotating shaft is installed on the frame.
[0008] As a further scheme of the utility model, the elastic mechanism comprises an inner cavity formed at both sides of the bottom of the filter press box, a sliding plate is slidably arranged in the inner cavity, a sliding rod is installed at the bottom of the sliding plate and extends out of the filter press box, and a spring is arranged at the bottom of the inner cavity and connected to the sliding plate.
[0009] As a further scheme of the utility model, the dredging mechanism comprises a movable plate fixedly connected to the sliding rod, and a plurality of dredging blocks regularly arranged on the movable plate correspond to the filter holes.
[0010] As a further scheme of the utility model: the movable plate is provided with drainage grooves which are distributed at intervals.
[0011] As a further scheme of the utility model: the extrusion mechanism comprises mounting frames mounted on both sides of the frame body, a first hydraulic rod is mounted on the mounting frame, an extrusion plate is mounted at the bottom of the first hydraulic rod, the outer wall size of the extrusion plate is the same as the size of the filter pressing cavity, a fixing frame is mounted at the top of the extrusion plate, a second hydraulic rod is mounted on the fixing frame, the second hydraulic rod is connected with a fixing plate, a top driving rod corresponding to the filter hole is mounted on the fixing plate, and the top driving rod is slidably connected with the extrusion plate.
[0012] Compared with the prior art, the utility model has the beneficial effects that: in use, the sludge is put into the filter pressing cavity of the filter pressing box, and the sludge in the filter pressing cavity is extruded by the extrusion mechanism, so that the sludge is extruded and dewatered, in the process of extrusion and extrusion of the extrusion mechanism, the extrusion mechanism pushes the dredging mechanism, so that the filter hole is opened, so that the extruded water can be discharged from the filter hole to the filter pressing cavity, and when the extrusion mechanism rises, the dredging mechanism dredges the filter hole, so that the subsequent extrusion dewatering effect is not affected by the sludge blocking the filter hole. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is a structural schematic view of a sludge treatment dewatering device.
[0014] Figure 2 It is Figure 1 It is a partial enlarged view of A in the middle.
[0015] Figure 3 It is a structural schematic view of an extrusion plate and a top driving rod in a sludge treatment dewatering device.
[0016] In the drawing: 1, frame body; 2, rotating shaft; 3, motor; 4, filter pressing box; 5, filter pressing cavity; 6, inner cavity; 7, sliding plate; 8, sliding rod; 9, spring; 10, movable plate; 11, drainage groove; 12, dredging block; 13, filter hole; 14, mounting frame; 15, hydraulic rod; 16, extrusion plate; 17, fixing frame; 18, fixing plate; 19, top driving rod. DETAILED DESCRIPTION
[0017] The technical scheme of the patent will be further described in detail in combination with specific embodiments.
[0018] Please refer to Figures 1-3The utility model provides a sludge treatment dewatering device, including frame body 1, rotationally arranged with the pivot 2 on frame body 1, install the filter press box 4 on the pivot 2, the filter press cavity 5 is opened in the filter press box 4, the bottom of filter press cavity 5 is provided with the filter hole 13 of regular distribution, install the extrusion mechanism on frame body 1 for the sludge in the filter press cavity 5 is extruded and dewatered, the bottom both sides of filter press box 4 are provided with the elastic mechanism, and the elastic mechanism is connected with dredging mechanism, the elastic mechanism is used to provide the elastic tension of dredging mechanism, and the dredging mechanism is used to dredge the filter hole 13 of jam.
[0019] In use, by putting the sludge into the filter press cavity 5 of filter press box 4, and by the extrusion mechanism to the sludge in the filter press cavity 5 is extruded, thereby extruding the sludge and dewatering, in the process of extrusion mechanism descending extrusion, extrusion mechanism will push dredging mechanism, so that filter hole 13 opens, so that the moisture of extrusion can be discharged from filter hole 13 filter press cavity 5, and when the extrusion mechanism rises, the dredging mechanism will dredge filter hole 13, so as to avoid the sludge jamming filter hole 13 and affecting the subsequent extrusion dewatering effect.
[0020] In one case of the embodiment, the frame body 1 is provided with a motor 3 connected with the pivot 2.
[0021] In use, in the initial state, the opening of the filter press cavity 5 of the filter press box 4 faces upward, at this time, the sludge can be extruded and dewatered, and when the sludge in the filter press cavity 5 needs to be cleaned, the motor 3 is started by the external controller to drive the pivot 2 to rotate 180 degrees, so that the filter press box 4 is turned over by 180 degrees, so that the opening of the filter press cavity 5 is oriented, thereby facilitating the cleaning of the sludge after dewatering in the filter press cavity 5.
[0022] In one case of the embodiment, the elastic mechanism includes an inner cavity 6 opened on both sides of the bottom of the filter press box 4, a sliding plate 7 is slidably arranged in the inner cavity 6, a sliding rod 8 is arranged on the bottom of the sliding plate 7 and penetrates the filter press box 4, and a spring 9 is arranged on the bottom of the inner cavity 6 and connected with the sliding plate 7. The dredging mechanism includes a movable plate 10 fixedly connected with the sliding rod 8, and a plurality of dredging blocks 12 are regularly arranged on the movable plate 10 and correspond to the filter holes 13.
[0023] Wherein the spring 9 is in compression state, and provides elastic thrust to the sliding plate 7, so that the sliding plate 7 is subjected to upward elastic thrust, so that the movable plate 10 is subjected to upward elastic tension, so that the dredging block 12 on the movable plate 10 is clamped into the filter hole 13 in the initial state, and when the extrusion mechanism extrudes the sludge, the extrusion mechanism will push the dredging block 12, so that the dredging block 12 exits the filter hole 13, so that the dewatering water can be discharged from the filter hole 13, and when the dredging block 12 is lowered, the movable plate 10 is also lowered, and the sliding plate 7 is lowered along the inner cavity 6 through the sliding rod 8, so that the spring 9 is extruded, and when the extrusion mechanism rises, the sliding plate 7 is reset under the action of the elastic force of the spring 9, so that the movable plate 10 is reset, and the dredging block 12 reenters the filter hole 13 and dredges the sludge blocked in the filter hole 13, so that the sludge does not block the filter hole 13 and affect the subsequent extrusion dewatering effect.
[0024] In one case of the embodiment, the movable plate 10 is provided with spaced apart drainage grooves 11, and the water discharged from the filter hole 13 falls on the movable plate 10 and is discharged from the drainage grooves 11.
[0025] In one case of the embodiment, the extrusion mechanism comprises mounting frames 14 mounted on both sides of the frame body 1, first hydraulic rods 15 mounted on the mounting frames 14, extrusion plates 16 mounted at the bottom of the first hydraulic rods 15, fixed frames 17 mounted at the top of the extrusion plates 16, second hydraulic rods mounted on the fixed frames 17, fixed plates 18 connected with the second hydraulic rods, and push rods 19 mounted on the fixed plates 18 and corresponding to the filter holes 13, wherein the push rods 19 are slidably connected with the extrusion plates 16.
[0026] When the sludge is placed in the pressure filtration cavity 5, the hydraulic rods are synchronized by the external controller, and the extrusion plates 16 are driven to descend and enter the pressure filtration cavity 5 to extrude the sludge, and in the extrusion process, the second hydraulic rods are started and drive the push rods 19 to descend, the push rods 19 push the dredging blocks 12, so that the dredging blocks 12 descend and exit the filter holes 13, so that the extruded water can be discharged from the filter holes 13.
[0027] In use, the sludge is placed in the pressure filtration cavity 5 of the pressure filtration box 4, and the sludge in the pressure filtration cavity 5 is extruded by the extrusion mechanism, so that the sludge is extruded and dewatered, and in the extrusion process of the extrusion mechanism descending, the extrusion mechanism pushes the dredging mechanism, so that the filter holes 13 are opened, so that the extruded water can be discharged from the filter holes 13 to the pressure filtration cavity 5, and when the extrusion mechanism rises, the dredging mechanism dredges the filter holes 13, so that the sludge does not block the filter holes 13 and affect the subsequent extrusion dewatering effect.
[0028] It will be obvious to a person skilled in the art that the application is not limited to the details of the above-described exemplary embodiments, but that the application can be implemented in other concrete forms without departing from the spirit or essential characteristics of the application. The embodiments should, therefore, be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the above description, and all changes which come within the meaning and range of equivalents of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the scope of the claims concerned.
[0029] Furthermore, it should be understood that although the present specification describes exemplary embodiments, the application is not limited to only one independent technical solution in each embodiment, and the specification is described in this way only for the sake of clarity, and a person skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that a person skilled in the art can understand.
Claims
1. A dewatering device for sludge treatment comprising a frame, characterized by, The frame body is provided with a rotating shaft, a filter pressing box is installed on the rotating shaft, a filter pressing cavity is formed in the filter pressing box, a plurality of filter holes are regularly arranged at the bottom of the filter pressing cavity, an extrusion mechanism is installed on the frame body and used for extruding and dewatering sludge in the filter pressing cavity, elastic mechanisms are arranged at the two sides of the bottom of the filter pressing box, the elastic mechanisms are connected with dredging mechanisms, the elastic mechanisms are used for providing elastic pulling force for the dredging mechanisms, and the dredging mechanisms are used for dredging the blocked filter holes.
2. The dewatering device for sludge treatment according to claim 1, characterized by A motor connected with the rotating shaft is installed on the frame body.
3. The dewatering device for sludge treatment according to claim 1, characterized by The elastic mechanism comprises cavities formed at the two sides of the bottom of the filter pressing box, a sliding plate is slidably arranged in the cavities, sliding rods penetrating through the filter pressing box are installed at the bottom of the sliding plate, springs sleeved on the sliding rods and connected with the sliding plate are arranged at the bottom of the cavities.
4. The dewatering device for sludge treatment according to claim 3, characterized by The dredging mechanism comprises a movable plate fixedly connected with the sliding rods, and dredging blocks regularly arranged on the movable plate and corresponding to the filter holes.
5. The dewatering device for sludge treatment according to claim 4, wherein Drainage grooves are formed on the movable plate in a spaced manner.
6. The dewatering device for sludge treatment according to claim 4, wherein The extrusion mechanism comprises mounting frames installed on the two sides of the frame body, first hydraulic rods are installed on the mounting frames, extrusion plates are installed at the bottom of the first hydraulic rods, the size of the outer wall of the extrusion plates is the same as that of the filter pressing cavity, fixing frames are installed at the top of the extrusion plates, second hydraulic rods are installed on the fixing frames, fixed plates are connected with the second hydraulic rods, top driving rods corresponding to the filter holes are installed on the fixed plates, and the top driving rods are slidably connected with the extrusion plates.