Wet sludge bin with reciprocating pushing device
Patent Information
- Application Number
- CN202421229208.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-31
- Publication Date
- 2025-03-07
- Estimated Expiration
- 2034-05-31
AI Technical Summary
In the prior art, calcium fluoride sludge is discharged from the silo in low efficiency, mainly due to the viscosity and high viscosity of the sludge, which leads to difficulty in discharge.
A wet sludge silt silt with reciprocating material pushing device is designed, and the sludge is driven by hydraulic cylinders to push the sludge out, and the lifting door is opened through the motor-driven bevel gears and screws system to achieve efficient discharge of sludge.
Through the cooperation of the hydraulic cylinder and the push plate, efficient sludge is achieved, the discharge efficiency is improved, and the mechanical system driven by the motor ensures effective opening of the lifting door to avoid sludge residue.
Smart Images
Figure CN222573139U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of sludge silos, in particular to a wet sludge silo with a reciprocating material pushing device. Background Art
[0002] Photovoltaic enterprises need to corrode and clean silicon cores and silicon crystals during the production process, which will form high-concentration fluorine-containing acidic wastewater. After neutralization and precipitation with lime milk, a large amount of calcium fluoride sludge will be formed. When regenerating the calcium fluoride sludge, it is necessary to first store the calcium fluoride sludge in a wet sludge silo, and then push the calcium fluoride sludge from the wet sludge silo into the regeneration equipment. However, when discharging calcium fluoride wet sludge, the silo in the prior art mostly discharges the calcium fluoride wet sludge by the gravity of the calcium fluoride wet sludge itself. Since the calcium fluoride sludge is viscous and sticky, the discharge efficiency of the calcium fluoride sludge is low.
[0003] Therefore, the utility model proposes a new technical solution to solve the problem of low efficiency of calcium fluoride sludge discharge from the silo. Utility Model Content
[0004] In view of the shortcomings of the prior art, the purpose of the utility model is to solve the problem of low efficiency in discharging calcium fluoride sludge from a silo and to provide a wet sludge silo with a reciprocating pushing device.
[0005] A wet sludge silo with a reciprocating pushing device comprises a support frame and a silo body fixed to the top of the support frame, a lifting door and a driving device for driving the lifting door to move up and down are arranged on one side of the silo body, the driving device comprises a motor, a support block and two screw rods, the motor is installed on one side of the bottom end of the silo body, the support block is fixed on the other side of the bottom end of the silo body and corresponds to the position of the motor, a rotating shaft is fixed on the output shaft of the motor, the other end of the rotating shaft is rotatably connected to the support block, two bevel gears are fixed on the rotating shaft, and rotating holes are longitudinally penetrated on the silo walls on both sides of the silo body. The bottom ends of the two screw rods pass through two rotating holes respectively and are fixed with crown gears meshing with bevel gears. The part of the screw rod located in the rotating hole is rotatably connected to the hole wall of the rotating hole through a bearing. The top end of the screw rod passes through the rotating hole. The bottom end and both sides of the lifting door are in contact with the inner wall of the silo body. The top of the lifting door is higher than the top of the silo body. Both sides of the top of the lifting door are fixed with nut seats sleeved on the screw rods. A first hydraulic cylinder is provided on the other side of the silo body. The piston rod of the first hydraulic cylinder penetrates into the silo body and is provided with a push plate. The sides of the push plate are in contact with the inner wall of the silo body.
[0006] By adopting the above technical solution, when the wet sludge is loaded into the silo body, the piston rod of the first hydraulic cylinder is in a retracted state, and the push plate is located at one end of the silo body away from the lifting door. When the wet sludge in the silo body needs to be discharged, the motor is first started, the output shaft of the motor rotates to drive the rotating shaft fixedly connected to it to rotate, the rotation of the rotating shaft drives the bevel gear to rotate, the rotation of the bevel gear drives the crown gear meshed with it to rotate, the rotation of the crown gear drives the screw rod fixedly connected to it to rotate, the rotation of the screw rod drives the nut seat sleeved thereon to move upward, the nut seat drives the lifting door fixedly connected to it to move upward, thereby opening the lifting door, and the degree of opening of the lifting door can be adjusted by the distance the nut seat moves. Then the first hydraulic cylinder is started, the piston rod of the first hydraulic cylinder extends to drive the push plate to move toward the lifting door, the push plate can push out the wet sludge in the silo body, the discharge efficiency is high, and each side of the push plate is in contact with the inner side wall of the silo body, the push plate can scrape off the wet sludge adhering to the inner side wall of the silo body during the movement, and avoid the wet sludge remaining in the silo body.
[0007] A further configuration of the utility model is that a clamping block is fixed on the top end of the screw rod.
[0008] By adopting the above technical solution, when the nut seat contacts the clamping block, the nut seat cannot continue to move upward, and the setting of the clamping block can prevent the nut seat from falling off the screw rod.
[0009] Further configuration of the utility model: a scraping structure located on one side of the lifting door is arranged on the silo body, and the scraping structure includes a scraping plate, two mounting plates and two second hydraulic cylinders, the two mounting plates are symmetrically fixed on the silo walls on both sides of the silo body, the two second hydraulic cylinders are respectively mounted on the two mounting plates, the scraping plate is fixedly connected between the piston rods of the two second hydraulic cylinders, and the push plate is in contact with the scraping plate when pushing out the silo body.
[0010] By adopting the above technical solution, when the push plate discharges all the wet sludge in the silo body, some wet sludge will stick to the push plate. At this time, first move the lifting door upward until the bottom end of the lifting door is higher than the silo body, that is, the lifting door is fully opened, and then extend the piston rod of the first hydraulic cylinder so that the push plate is located outside the silo body and fits with the scraper plate. Then start the second hydraulic cylinder, and the piston rod of the second hydraulic cylinder is extended, driving the scraper plate to move downward to scrape off the wet sludge stuck on the push plate.
[0011] A further configuration of the utility model is as follows: the silo body is provided with a mud guide plate which is inclined downward and is located at the bottom end of one side of the lifting door.
[0012] By adopting the above technical solution, the wet sludge pushed out by the push plate slides down along the sludge guide plate.
[0013] The utility model is further configured as follows: a material inlet is provided at the top of the silo body, and a top cover is provided on the material inlet.
[0014] By adopting the above technical solution, the wet sludge enters the silo body through the feed inlet.
[0015] The utility model is further configured as follows: a plurality of slide grooves are provided on both sides of the push plate, and a slide bar for inserting into and moving in the slide groove is provided on the inner side wall of the silo body.
[0016] By adopting the above technical solution, the push plate moves along the slide bar through the slide groove during movement, thereby improving the stability of the push plate during movement.
[0017] The utility model is further configured as follows: an iron block is arranged at the bottom end of the lifting door, and an electromagnet corresponding to the position of the iron block is arranged on the silo body.
[0018] By adopting the above technical solution, when the lifting door is closed, the electromagnet is started, and the iron block is adsorbed on the electromagnet, thereby improving the stability of the lifting door when it is closed. Similarly, when the lifting door needs to be opened, the electromagnet needs to be turned off first.
[0019] A further configuration of the utility model is that the motor is an AC motor and is connected with a forward / reverse switch.
[0020] By adopting the above technical solution, the forward and reverse rotation of the motor is realized, thereby realizing the up and down movement of the lifting door.
[0021] Compared with the prior art, the beneficial effects of the utility model are:
[0022] A wet sludge silo with a reciprocating pusher device, when the wet sludge is loaded into the silo body, the piston rod of the first hydraulic cylinder is in a retracted state, and the push plate is located at one end of the silo body away from the lifting door. When the wet sludge in the silo body needs to be discharged, the motor is started first, the output shaft of the motor rotates to drive the rotating shaft fixedly connected to it to rotate, the rotation of the rotating shaft drives the bevel gear to rotate, the rotation of the bevel gear drives the crown gear meshed with it to rotate, the rotation of the crown gear drives the screw rod fixedly connected to it to rotate, the rotation of the screw rod drives the nut seat sleeved thereon to move upward, the nut seat drives the lifting door fixedly connected to it to move upward, thereby opening the lifting door, and the degree of opening of the lifting door can be adjusted by the distance the nut seat moves. Then start the first hydraulic cylinder, the piston rod of the first hydraulic cylinder extends to drive the push plate to move toward the lifting door, and the push plate can push out the wet sludge in the silo body, with high discharge efficiency, and each side of the push plate is in contact with the inner wall of the silo body. The push plate can scrape off the wet sludge adhering to the inner wall of the silo body during the movement to prevent the wet sludge from remaining in the silo body. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] Figure 1 This is a schematic diagram of the structure of a wet sludge silo with a reciprocating material pushing device of the utility model, which is mainly used to show the overall structure of the utility model;
[0024] Figure 2 This is a top view of a wet sludge silo with a reciprocating pusher device of the utility model, mainly used to indicate the positions of the push plate and the first hydraulic cylinder;
[0025] Figure 3 This is a partial cross-sectional view of a wet sludge silo with a reciprocating material pushing device of the utility model, mainly used to illustrate the structure of the driving device.
[0026] Figure numerals: 1. support frame; 2. silo body; 3. lifting door; 4. motor; 5. support block; 6. screw rod; 7. rotating shaft; 8. bevel gear; 9. crown gear; 10. nut seat; 11. first hydraulic cylinder; 12. push plate; 13. clamping block; 14. scraper plate; 15. mounting plate; 16. second hydraulic cylinder; 17. mud guide plate; 18. top cover; 19. slide bar; 20. iron block; 21. electromagnet. DETAILED DESCRIPTION
[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0028] A wet sludge silo with a reciprocating pusher device, such as Figure 1-Figure 3 As shown, it includes a support frame 1 and a silo body 2 fixed to the top of the support frame 1.
[0029] A lifting door 3 and a driving device for driving the lifting door 3 to move up and down are provided on one side of the silo body 2. The driving device includes a motor 4, a support block 5 and two screw rods 6. The motor 4 is installed on one side of the bottom end of the silo body 2. The support block 5 is fixed to the other side of the bottom end of the silo body 2 and corresponds to the position of the motor 4. A rotating shaft 7 is fixed on the output shaft of the motor 4. The other end of the rotating shaft 7 is rotatably connected to the support block 5. Two bevel gears 8 are fixed on the rotating shaft 7. Rotating holes are longitudinally penetrated on the silo walls on both sides of the silo body 2. The bottom ends of the two screw rods 6 pass through the two rotating holes respectively and are fixed with A crown gear 9 meshes with the bevel gear 8, and a portion of the screw rod 6 located in the rotary hole is rotatably connected to the hole wall of the rotary hole through a bearing. The top end of the screw rod 6 passes through the rotary hole, and the bottom end and both sides of the lifting door 3 are in contact with the inner wall of the silo body 2. The top of the lifting door 3 is higher than the top of the silo body 2. Nut seats 10 sleeved on the screw rod 6 are fixed on both sides of the top of the lifting door 3. A first hydraulic cylinder 11 is provided on the other side of the silo body 2. The piston rod of the first hydraulic cylinder 11 passes through the silo body 2 and is provided with a push plate 12. The sides of the push plate 12 are in contact with the inner wall of the silo body 2.
[0030] A scraping structure is provided on the silo body 2 and is located on one side of the lifting door 3. The scraping structure includes a scraping blade 14, two mounting plates 15 and two second hydraulic cylinders 16. The two mounting plates 15 are symmetrically fixed on the silo walls on both sides of the silo body 2. The two second hydraulic cylinders 16 are respectively installed on the two mounting plates 15. The scraping blade 14 is fixedly connected between the piston rods of the two second hydraulic cylinders 16. The push plate 12 fits with the scraping blade 14 when pushing out the silo body 2.
[0031] Additionally, a clamping block 13 is fixed to the top of the screw rod 6 . When the nut seat 10 contacts the clamping block 13 , the nut seat 10 cannot continue to move upward. The setting of the clamping block 13 can prevent the nut seat 10 from falling off the screw rod 6 .
[0032] The silo body 2 is provided with a mud guide plate 17 which is inclined downward and is located at the bottom end of one side of the lifting door 3 , and the wet mud pushed out by the push plate 12 slides down along the mud guide plate 17 .
[0033] A feed inlet is provided at the top of the silo body 2 , and a top cover 18 is provided on the feed inlet. The wet sludge enters the silo body 2 through the feed inlet.
[0034] Two slide grooves are provided on both sides of the push plate 12, and a slide bar 19 for inserting into and moving in the slide groove is provided on the inner wall of the silo body 2. When the push plate 12 moves, it moves along the slide bar 19 through the slide groove, thereby improving the stability of the push plate 12 when moving.
[0035] An iron block 20 is disposed at the bottom end of the lifting door 3, and an electromagnet 21 corresponding to the position of the iron block 20 is disposed on the silo body 2. When the lifting door 3 is closed, the electromagnet 21 is activated, and the iron block 20 is adsorbed on the electromagnet 21, thereby improving the stability of the lifting door 3 when closed. Similarly, when the lifting door 3 needs to be opened, the electromagnet 21 needs to be turned off first.
[0036] The motor 4 is an AC motor and is connected to a forward / reverse switch, which enables the forward and reverse rotation of the motor 4 , thereby enabling the lifting door 3 to move up and down.
[0037] Working principle: When the wet sludge is loaded into the silo body 2, the piston rod of the first hydraulic cylinder 11 is in a retracted state, and the push plate 12 is located at one end of the silo body 2 away from the lifting door 3. When the wet sludge in the silo body 2 needs to be discharged, the motor 4 is started first, and the output shaft of the motor 4 rotates to drive the rotating shaft 7 fixedly connected thereto to rotate, and the rotation of the rotating shaft 7 drives the bevel gear 8 to rotate, and the rotation of the bevel gear 8 drives the crown gear 9 meshed therewith to rotate, and the rotation of the crown gear 9 drives the screw rod 6 fixedly connected thereto to rotate, and the rotation of the screw rod 6 drives the nut seat 10 sleeved thereon to move upward, and the nut seat 10 drives the lifting door 3 fixedly connected thereto to move upward, thereby opening the lifting door 3, and the degree of opening of the lifting door 3 can be adjusted by the distance of movement of the nut seat 10. Then, the first hydraulic cylinder 11 is started, and the piston rod of the first hydraulic cylinder 11 is extended to drive the push plate 12 to move toward the lifting door 3. The push plate 12 can push out the wet sludge in the silo body 2, and the discharge efficiency is high. The sides of the push plate 12 are in contact with the inner wall of the silo body 2. The push plate 12 can scrape off the wet sludge adhering to the inner wall of the silo body 2 during the movement, so as to avoid the wet sludge remaining in the silo body 2.
[0038] After the push plate 12 discharges all the wet sludge in the silo body 2, some wet sludge will stick to the push plate 12. At this time, the lifting door 3 is first moved upward until the bottom end of the lifting door 3 is higher than the silo body 2, that is, the lifting door 3 is fully opened, and then the piston rod of the first hydraulic cylinder 11 is extended to make the push plate 12 outside the silo body 2 and fit with the scraper plate 14, and then the two second hydraulic cylinders 16 are started. The synchronous start of the two second hydraulic cylinders 16 is a mature existing technology, and common means such as PLC controllers can be used. No specific description is given here. The piston rod of the second hydraulic cylinder 16 is extended to drive the scraper plate 14 to move downward to scrape off the wet sludge stuck on the push plate 12.
[0039] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.
[0040] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "set / connected", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.
[0041] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.
[0042] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.
Claims
1. A wet sludge silo with a reciprocating pusher, comprising a support frame (1) and a silo body (2) fixed to the top of the support frame (1), characterized in that: A lifting door (3) and a driving device for driving the lifting door (3) to move up and down are arranged on one side of the silo body (2), and the driving device comprises a motor (4), a support block (5) and two screw rods (6). The motor (4) is installed on one side of the bottom end of the silo body (2), and the support block (5) is fixed on the other side of the bottom end of the silo body (2) and corresponds to the position of the motor (4). A rotating shaft (7) is fixed on the output shaft of the motor (4), and the other end of the rotating shaft (7) is rotatably connected to the support block (5). Two bevel gears (8) are sleeved and fixed on the rotating shaft (7). Rotating holes are longitudinally penetrated on the silo walls on both sides of the silo body (2), and the bottom ends of the two screw rods (6) respectively pass through the two rotating holes and are fixed. A crown gear (9) is provided which meshes with the bevel gear (8); the part of the screw rod (6) located in the rotating hole is rotatably connected to the hole wall of the rotating hole through a bearing; the top end of the screw rod (6) passes through the rotating hole; the bottom end and both sides of the lifting door (3) are in contact with the inner wall of the silo body (2); the top end of the lifting door (3) is higher than the top end of the silo body (2); nut seats (10) sleeved on the screw rod (6) are fixed on both sides of the top end of the lifting door (3); a first hydraulic cylinder (11) is provided on the other side of the silo body (2); the piston rod of the first hydraulic cylinder (11) passes into the silo body (2) and is provided with a push plate (12); each side of the push plate (12) is in contact with the inner wall of the silo body (2).
2. A wet sludge silo with a reciprocating pusher according to claim 1, characterized in that: A clamping block (13) is fixed on the top end of the screw rod (6).
3. A wet sludge silo with a reciprocating pusher according to claim 2, characterized in that: The silo body (2) is provided with a scraper structure located on one side of the lifting door (3), the scraper structure comprising a scraper plate (14), two mounting plates (15) and two second hydraulic cylinders (16), the two mounting plates (15) being symmetrically fixed on the silo walls on both sides of the silo body (2), the two second hydraulic cylinders (16) being respectively mounted on the two mounting plates (15), the scraper plate (14) being fixedly connected between the piston rods of the two second hydraulic cylinders (16), and the push plate (12) being in contact with the scraper plate (14) when pushing out the silo body (2).
4. A wet sludge silo with a reciprocating pusher according to claim 3, characterized in that: The silo body (2) is provided with a mud guide plate (17) which is inclined downward and is located at the bottom end of one side of the lifting door (3).
5. A wet sludge silo with a reciprocating pusher according to claim 4, characterized in that: The top of the silo body (2) is provided with a material inlet, and the material inlet is covered with a top cover (18).
6. A wet sludge silo with a reciprocating pusher according to claim 5, characterized in that: A plurality of slide grooves are provided on both sides of the push plate (12), and a slide bar (19) for inserting into and moving in the slide groove is provided on the inner side wall of the silo body (2).
7. A wet sludge silo with a reciprocating pusher according to claim 6, characterized in that: An iron block (20) is arranged at the bottom end of the lifting door (3), and an electromagnet (21) corresponding to the position of the iron block (20) is arranged on the silo body (2).
8. A wet sludge silo with a reciprocating pusher according to claim 7, characterized in that: The motor (4) is an AC motor and is connected to a forward / reverse switch.