Sludge dewatering device for water supply and drainage engineering
By designing a compression seat and telescopic cylinder structure, the problems of incomplete sludge dewatering and filter screen clogging are solved, achieving efficient sludge dewatering and convenient cleaning of the filter screen, thus improving the working efficiency and practicality of the device.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-22
- Publication Date
- 2026-03-24
AI Technical Summary
Existing sludge dewatering devices used in water supply and drainage projects dewater sludge by sedimentation, which results in the sludge still containing moisture. Furthermore, the filter screen is prone to clogging after prolonged use, reducing work efficiency.
It adopts a compression base and telescopic cylinder structure. The threaded rod and threaded block driven by the servo motor work together with the drive motor to drive the compression plate to compress and dewater the sludge. The telescopic cylinder pushes the filter screen and water storage box to lift and lower, which facilitates cleaning and replacement of the filter screen and avoids clogging.
It achieves complete dewatering of sludge, improves work efficiency, avoids clogging of the filter screen, and increases the practicality and flexibility of the device.
Smart Images

Figure CN224030853U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to sludge dewatering technical field especially sludge dewatering device for water supply and drainage engineering. BACKGROUND
[0002] Sludge dewatering is a kind of sludge treatment method that the water content of sludge is reduced to 55% to 80% by removing water from the flow state primary sludge, thickened sludge or digested sludge and converting it into semi-solid or solid sludge block, therefore, a sludge dewatering device for water supply and drainage engineering is needed.
[0003] The existing sludge dewatering device for water supply and drainage engineering separates sludge and water by installing a filter screen, but when the existing sludge dewatering device for water supply and drainage engineering works, the sludge is treated by water separation through sedimentation, but the sludge after the dewatering process still contains some water, which makes the sludge dewatering incomplete and the work efficiency low, and the filter screen in the existing dewatering device is blocked due to long use time, which reduces the work efficiency.
[0004] Therefore, in view of the above problems that the existing sludge dewatering device for water supply and drainage engineering dewatering operation is carried out by the way of sedimentation of sludge, the sludge still contains water, and there is no structure for disassembling and assembling the filter screen, which causes the filter screen to be blocked after long time use and reduces the work efficiency, the utility model drives the compression plate to compress the sludge under the action of the driving motor through the compression seat, so that the water in the sludge can be squeezed out, avoiding the incomplete dewatering of the sludge, and under the action of the telescopic cylinder, the push plate pushes the water storage box up and down to drive the filter screen to rise and fall synchronously, so that the filter screen is taken out together with the water storage box, which is convenient for personnel to replace and clean, and avoids the problem of reduced work efficiency caused by the blockage of the filter screen. SUMMARY
[0005] In order to overcome the common problems that the sludge dewatering device for water supply and drainage engineering dewatering operation is carried out by the way of sedimentation of sludge, the sludge still contains water, and there is no structure for disassembling and assembling the filter screen, which causes the filter screen to be blocked after long time use and reduces the work efficiency.
[0006] The utility model discloses a technical scheme for a sludge dewatering device for water supply and drainage engineering, comprising a dewatering seat, a servo motor is installed at the right end of the dewatering seat, a box cover is rotatably connected to the surface of the upper end of the dewatering seat through a hinge, the output end of the servo motor extends to the inside of the dewatering seat, a first threaded rod is installed at the output end of the servo motor, a threaded block is threadedly connected to the surface of the first threaded rod, a dewatering groove is formed at the lower end of the dewatering seat, a mud outlet groove is formed at the left end of the dewatering seat, a limiting plate is installed in the mud outlet groove, a water filter net is arranged in the dewatering groove, the limiting plate and the first threaded rod are rotatably connected, a compression seat is installed at the left end of the dewatering seat, a mud collecting seat is arranged at the lower end of the compression seat, and a base is installed at the right end of the mud collecting seat.
[0007] Preferably, a driving motor is installed at the upper end of the compression seat, the output end of the driving motor extends below the compression seat, a second threaded rod is installed at the output end of the driving motor, a compression plate is threadedly connected to the surface of the second threaded rod, and guide rods are fixedly installed at the front and back of the second threaded rod at the lower end of the driving motor, the guide rods and the compression plate are slidably connected.
[0008] Preferably, a first sliding rail is installed at the lower end of the compression seat, a baffle is slidably connected to the surface of the first sliding rail, a positioning plate is fixedly installed at the rear end of the baffle, the positioning plate is detachably connected to the compression seat through bolts, and a first water outlet pipe is installed at the left end of the compression seat.
[0009] Preferably, an extension frame is installed at the upper end of the base, telescopic cylinders are installed at the inside of the extension frame, the telescopic cylinders are provided in two, and a push plate is installed at the output end of the telescopic cylinders.
[0010] Preferably, a mounting seat is installed at the upper end of the push plate, a second sliding rail is fixedly installed at the upper end of the mounting seat, a sliding block is slidably connected to the surface of the second sliding rail, the second sliding rail is provided in two, a water storage box is fixedly installed at the upper end of the sliding block, the water storage box is detachably connected to the water filter net at the upper end, and a second water outlet pipe is installed at the rear end of the water storage box.
[0011] Preferably, a clamping plate is installed at the right end of the sliding block, the clamping plate is provided in two, a clamping block is installed at the right end of the mounting seat, the clamping block is provided in two, and a clamping groove is formed at the upper end of the clamping block.
[0012] Preferably, a sliding rod is slidably connected in the clamping plate, a pulling plate is fixedly installed at the upper end of the sliding rod, the sliding rod and the clamping groove are engagedly connected, a spring is sleeved on the surface of the sliding rod, one end of the spring is fixedly connected to the pulling plate, and the other end of the spring is fixedly connected to the clamping plate.
[0013] The utility model discloses the beneficial effect:
[0014] 1、The dewatering device can inject sludge into the dewatering seat during work, and part of the water flow is allowed to flow into the water storage box through the filter screen by placing the sludge on the filter screen for a long time, when the sludge has no water flow, the servo motor works, so that the threaded block moves along the direction of the first threaded rod, drives the sludge to be injected from the sludge outlet groove into the compression seat, then under the action of the driving motor, the second threaded rod rotates and drives the compression plate to move along the direction of the guide rod, realizing the compression operation of the sludge, so as to squeeze the water out of the sludge and output through the first water outlet pipe, while the sludge after dewatering can be made to fall into the sludge collecting seat by pulling the limiting plate, which increases the working efficiency of the device and avoids the problem of incomplete dewatering of sludge;
[0015] 2、After the device works for a period of time, the push plate drives the telescopic frame to retract under the action of the telescopic cylinder, the mounting seat is lowered, and the filter screen and the water storage box are lowered, then the pull plate is pulled to pull the slide rod out of the clamping groove, and then the water storage box is slid along the direction of the second slide rail with the sliding block, so as to realize the purpose of taking out the water storage box and the filter screen, so as to facilitate the operator to clean and replace, avoid the problem of blockage caused by long-time use of the filter screen, and increase the dewatering efficiency. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 The whole three-dimensional structure schematic view of the utility model is shown;
[0017] Figure 2 The utility model's Figure 1 The three-dimensional structure schematic view of the utility model is shown;
[0018] Figure 3 The three-dimensional structure schematic view of the utility model is shown;
[0019] Figure 4 The three-dimensional structure schematic view of the utility model is shown;
[0020] Figure 5 The three-dimensional structure schematic view of the utility model is shown;
[0021] Figure 6 The three-dimensional structure schematic view of the utility model is shown.
[0022] Explanation of reference signs: 1, dehydration seat; 2, servo motor; 3, box cover; 4, first threaded rod; 5, threaded block; 6, water filter net; 7, compression seat; 8, mud collecting seat; 9, base; 10, mounting seat; 11, second sliding rail; 12, sliding block; 13, water storage box; 14, second water outlet pipe; 21, dehydration groove; 22, mud outlet groove; 23, limiting plate; 71, driving motor; 72, second threaded rod; 73, compression plate; 74, guide rod; 75, first sliding rail; 76, baffle; 77, positioning plate; 78, bolt; 79, first water outlet pipe; 91, telescopic frame; 92, telescopic air cylinder; 93, push plate; 101, clamping block; 102, clamping groove; 121, clamping plate; 122, sliding rod; 123, pull plate; 124, spring. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0024] Please refer to Figures 1-6 The utility model provides a kind of technical scheme: a sludge dewatering device for water supply and sewerage engineering, including dehydration seat 1;Servo motor 2 is installed at the right end of dehydration seat 1, the surface of the upper end of dehydration seat 1 is rotatably connected with box cover 3 by hinge, the output of servo motor 2 extends to the inside of dehydration seat 1, the output of servo motor 2 is installed with first threaded rod 4, the surface of first threaded rod 4 is threadedly connected with threaded block 5, dehydration groove 21 is arranged in the lower end of dehydration seat 1, mud outlet groove 22 is arranged in the left end of dehydration seat 1, limiting plate 23 is installed in mud outlet groove 22, water filter net 6 is arranged in dehydration groove 21, limiting plate 23 and first threaded rod 4 are rotatably connected, compression seat 7 is installed at the left end of dehydration seat 1, the lower end of compression seat 7 is provided with mud collecting seat 8, and the right end of mud collecting seat 8 is installed with base 9.
[0025] Driving motor 71 is installed at the upper end of compression seat 7, the output of driving motor 71 extends below compression seat 7, the output of driving motor 71 is installed with second threaded rod 72, the surface of second threaded rod 72 is threadedly connected with compression plate 73, and guide rod 74 is fixedly installed on the front and back of second threaded rod 72 at the lower end of driving motor 71, and guide rod 74 and compression plate 73 are slidably connected;Under the action of driving motor 71, second threaded rod 72 rotates and drives compression plate 73 to move along the direction of guide rod 74, so that compression plate 73 can compress sludge, thereby extruding water in sludge, and avoiding the problem that sludge is not completely dewatered.
[0026] The lower end of the compression seat 7 is provided with a first sliding rail 75, the surface of the first sliding rail 75 is slidably connected with a baffle 76, the rear end of the baffle 76 is fixedly provided with a positioning plate 77, the positioning plate 77 is detachably connected with the compression seat 7 through a bolt 78, and the left end of the compression seat 7 is provided with a first water outlet pipe 79. Through the first sliding rail 75, the baffle 76 can slide along the direction of the first sliding rail 75. Through the bolt 78, the limiting operation of the positioning plate 77 and the compression seat 7 is realized, so that the dewatered sludge in the compression seat 7 can be output to the sludge collecting seat 8.
[0027] The upper end of the base 9 is provided with an extension frame 91, the inner side of the extension frame 91 is provided with an extension cylinder 92, the extension cylinder 92 is provided with two, and the output end of the extension cylinder 92 is provided with a push plate 93. Under the action of the extension cylinder 92, the push plate 93 can drive the extension frame 91 to ascend and descend, thereby providing power for subsequent removal of the water filtering net 6.
[0028] The upper end of the push plate 93 is provided with a mounting seat 10, the upper end of the mounting seat 10 is fixedly provided with a second sliding rail 11, the surface of the second sliding rail 11 is slidably connected with a sliding block 12, the second sliding rail 11 is provided with two, the upper end of the sliding block 12 is fixedly provided with a water storage box 13, the upper end of the water storage box 13 is detachably connected with the water filtering net 6, and the rear end of the water storage box 13 is provided with a second water outlet pipe 14. Through the second sliding rail 11, the sliding block 12 can slide along the direction of the second sliding rail 11, so as to drive the water storage box 13 to slide along the direction of the second sliding rail 11, thereby facilitating the removal of the water storage box 13 and the water filtering net 6, and increasing the flexibility of the device.
[0029] The right end of the sliding block 12 is provided with a clamping plate 121, the clamping plate 121 is provided with two, the right end of the mounting seat 10 is provided with a clamping block 101, the clamping block 101 is provided with two, and the upper end of the clamping block 101 is provided with a clamping groove 102. Through the clamping plate 121 and the clamping block 101, the subsequent limiting of the sliding block 12 and the mounting seat 10 by the operator is facilitated, and the convenience is increased.
[0030] The clamping plate 121 is slidably connected with a sliding rod 122, the upper end of the sliding rod 122 is fixedly provided with a pulling plate 123, the sliding rod 122 is clampedly connected with the clamping groove 102, the surface of the sliding rod 122 is sleeved with a spring 124, one end of the spring 124 is fixedly connected with the pulling plate 123, and the other end of the spring 124 is fixedly connected with the clamping plate 121. The pulling plate 123 can drive the sliding rod 122 to slide along the direction of the clamping groove 102, and under the action of the spring 124, the sliding rod 122 is automatically reset, so as to limit the sliding rod 122 and the clamping block 101.
[0031] Working principle: according to Figure 1 , Figure 2 , Figure 5 and Figure 6, first open the box cover 3, then the sludge is injected into the dewatering seat 1, and then wait for the sludge to be precipitated and dewatered on the filter screen 6, and after the precipitation and dewatering is completed, the servo motor 2 works, the first threaded rod 4 rotates and drives the threaded block 5 to move along the threaded direction, so that the threaded block 5 sweeps the sludge on the filter screen 6 into the compression seat 7 through the sludge outlet 22, and at the same time, by arranging the corrugated sleeve on the surface of the first threaded rod 4, the water and sludge residues in the threaded gap are avoided, and after the sludge falls into the compression seat 7, the driving motor 71 works, so that the second threaded rod 72 rotates and drives the compression plate 73 to move along the direction of the guide rod 74, realizing compression treatment of the sludge in the compression seat 7, so that water is squeezed out of the sludge, and then output through the first water outlet 79, after the compression is completed, the positioning plate 77 is separated from the compression seat 7 through the bolt 78, and then the baffle 76 is slid along the direction of the first sliding rail 75 to control the compressed sludge to fall into the sludge collecting seat 8, completing the dewatering treatment of the sludge, and avoiding the problem of incomplete dewatering of the sludge;
[0032] According to Figures 1-4 After the dewatering device works for a period of time, the push plate 93 drives the telescopic frame 91 to perform lifting operation under the action of the telescopic cylinder 92, so as to drive the mounting seat 10 to lift, so as to lower the water storage box 13 and the filter screen 6, then pull the pull plate 123, so that the sliding rod 122 moves synchronously with the pull plate 123, and is pulled out of the clamping groove 102, so as to control the water storage box 13 to slide along the direction of the second sliding rail 11 with the sliding block 12 and be pulled out, facilitating the operator to replace and clean, after the operation is completed, the water storage box 13 together with the filter screen 6 slides along the direction of the second sliding rail 11 with the sliding block 12, then the pull plate 123 is loosened, under the action of the spring 124, the pull plate 123 drives the sliding rod 122 to reset and is reinserted into the clamping groove 102, realizing the limiting operation of the sliding rod 122 and the clamping block 101, finally the telescopic cylinder 92 pushes the filter screen 6 into the dewatering groove 21 again, avoiding the problem of blockage of the filter screen 6 after a period of use, and increasing the practicability of the device;
[0033] In the device, the servo motor 2, the driving motor 71 and the telescopic cylinder 92 are connected to the external power supply through the power supply line and started, the servo motor 2, the driving motor 71 and the telescopic cylinder 92 are known and existing technologies in the market, which will not be described in detail here.
[0034] The above is the working process of the entire device, and the contents not described in detail in the specification all belong to the existing technology known to those skilled in the art.
[0035] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A sludge dewatering device for water supply and drainage engineering, comprising a dewatering base (1); characterized in that: A servo motor (2) is installed at the right end of the dewatering seat (1). A cover (3) is rotatably connected to the upper surface of the dewatering seat (1) via a hinge. The output end of the servo motor (2) extends to the inner side of the dewatering seat (1). A first threaded rod (4) is installed at the output end of the servo motor (2). A threaded block (5) is threadedly connected to the surface of the first threaded rod (4). A dewatering groove (21) is opened at the lower end of the dewatering seat (1). A mud discharge groove (22) is opened at the left end of the dewatering seat (1). A limiting plate (23) is installed in the mud discharge groove (22). A water filter screen (6) is provided in the dewatering groove (21). The limiting plate (23) and the first threaded rod (4) are rotatably connected. A compression seat (7) is installed at the left end of the dewatering seat (1). A mud collection seat (8) is provided at the lower end of the compression seat (7). A base (9) is installed at the right end of the mud collection seat (8).
2. The sludge dewatering device for water supply and drainage engineering according to claim 1, characterized in that: A drive motor (71) is installed on the upper end of the compression seat (7). The output end of the drive motor (71) extends to the lower part of the compression seat (7). A second threaded rod (72) is installed on the output end of the drive motor (71). A compression plate (73) is threadedly connected to the surface of the second threaded rod (72). A guide rod (74) is fixedly installed on the front and rear sides of the lower end of the drive motor (71) on the second threaded rod (72). The guide rod (74) and the compression plate (73) are slidably connected.
3. The sludge dewatering device for water supply and drainage engineering according to claim 1, characterized in that: The lower end of the compression seat (7) is equipped with a first slide rail (75), and a baffle (76) is slidably connected to the surface of the first slide rail (75). A positioning plate (77) is fixedly installed at the rear end of the baffle (76). The positioning plate (77) is detachably connected to the compression seat (7) by bolts (78). A first water outlet pipe (79) is installed at the left end of the compression seat (7).
4. The sludge dewatering device for water supply and drainage engineering according to claim 1, characterized in that: A telescopic frame (91) is installed on the upper end of the base (9), and a telescopic cylinder (92) is installed on the inner side of the telescopic frame (91). There are two telescopic cylinders (92), and a push plate (93) is installed on the output end of the telescopic cylinder (92).
5. A sludge dewatering device for water supply and drainage engineering according to claim 4, characterized in that: The upper end of the push plate (93) is equipped with a mounting base (10), and the upper end of the mounting base (10) is fixedly equipped with a second slide rail (11). The surface of the second slide rail (11) is slidably connected with a slider (12). There are two second slide rails (11). The upper end of the slider (12) is fixedly equipped with a water storage box (13). The upper end of the water storage box (13) is detachably connected to the water filter screen (6). The rear end of the water storage box (13) is equipped with a second water outlet pipe (14).
6. A sludge dewatering device for water supply and drainage engineering according to claim 5, characterized in that: The slider (12) has a card plate (121) installed on its right end. There are two card plates (121). The mounting base (10) has a card block (101) installed on its right end. There are two card blocks (101). The upper end of the card block (101) has a card slot (102).
7. A sludge dewatering device for water supply and drainage engineering according to claim 6, characterized in that: A slide rod (122) is slidably connected in the card plate (121). A pull plate (123) is fixedly installed on the upper end of the slide rod (122). The slide rod (122) and the card slot (102) are engaged and connected. A spring (124) is sleeved on the surface of the slide rod (122). One end of the spring (124) is fixedly connected to the pull plate (123), and the other end of the spring (124) is fixedly connected to the card plate (121).