Rotary slag scraping device of solid-liquid separator

Abstract

The utility model belongs to the technical field of solid-liquid separation, and particularly relates to a rotary slag scraping device of a solid-liquid separator, which comprises a solid-liquid separator body and a slag scraping mechanism, a solid-liquid separation cavity and a liquid storage cavity are arranged in the solid-liquid separator body, a filter screen plate is arranged between the solid-liquid separation cavity and the liquid storage cavity, a discharge chute is arranged on the filter screen plate, and the discharge chute is communicated with the slag scraping mechanism. The slag scraping mechanism comprises a slag scraping assembly and a driving assembly, the slag scraping assembly comprises a rotating rod and a telescopic rod assembly, the top end of the rotating rod penetrates out of the top of the solid-liquid separator body, a cleaning plate is fixed to the bottom end of the rotating rod, the telescopic rod assembly comprises an inner rod and an outer rod, a mounting plate is fixed to one end of the inner rod, and a scraping plate is arranged on the mounting plate; one end of the outer rod is fixed to the middle of the rotating rod, and the driving assembly is arranged outside the solid-liquid separator and used for driving the rotating rod to rotate. The device can be adjusted according to the diameter of the solid-liquid separation cavity, and the applicability is high; and the scraped impurities can be swept into the discharge chute, so that the slag can be discharged in a centralized manner, and the operation is convenient.

Description

TECHNICAL FIELD

[0001] The utility model belongs to solid -liquid separation technical field, concretely relates to a kind of rotary slag scraping device of solid-liquid separator. BACKGROUND

[0002] Solid-liquid separator is mainly used to separate solid particles from liquid in suspension, or to separate two immiscible liquids of different densities in emulsion, or to remove liquid from wet solids.

[0003] When solid-liquid separator separates solid-liquid, part of residue after filtration will be adsorbed on filter screen or inner wall of equipment, if not cleaned in time, residue will accumulate more and more, which will eventually affect normal operation of equipment. Although there is rotary slag scraping device for solid-liquid separator in prior art, it cannot be adjusted according to diameter of solid-liquid separation chamber, and most of them only have slag scraping function and cannot concentrate residue, debris and other impurities scraped to discharge residue, which is inconvenient to operate.

[0004] Therefore, it needs to be improved. UTILITY MODEL

[0005] In view of above defects in prior art, the utility model provides a kind of rotary slag scraping device of solid-liquid separator, including solid-liquid separator body and slag scraping mechanism, solid-liquid separation chamber and liquid storage chamber are arranged inside and outside of solid-liquid separator body, and solid-liquid separation chamber and liquid storage chamber are separated by filter screen, wherein solid-liquid separation chamber is cylindrical, filter screen is circular, inclined discharge chute is formed on filter screen in radial direction, and distance between bottom surface of discharge chute and top surface of filter screen gradually increases from center to outer edge.

[0006] Slag scraping mechanism includes slag scraping assembly and driving assembly, slag scraping assembly is arranged inside solid-liquid separation chamber, slag scraping assembly includes rotating rod and telescopic rod assembly, rotating rod is vertically arranged, top end of rotating rod penetrates through top of solid-liquid separator body, and rotating rod is rotatably connected with top wall of solid-liquid separator body, bottom end of rotating rod is transversely fixed with cleaning plate, telescopic rod assembly is transversely arranged, telescopic rod assembly includes inner rod and outer rod which are sleeved, one end of inner rod is vertically fixed with mounting plate, and mounting plate is provided with scraper, one end of outer rod is fixed in middle part of rotating rod, driving assembly is arranged outside solid-liquid separator, for driving rotating rod to rotate.

[0007] Optionally, driving assembly includes servo motor, servo motor is fixedly installed above solid-liquid separator body, output shaft of servo motor is connected with top end of rotating rod through gear transmission structure.

[0008] Optionally, bottom of cleaning plate is provided with cleaning brush, and bottom of cleaning brush abuts on top surface of filter screen.

[0009] Optionally, the other end of the inner rod is provided with a convex edge, the other end of the outer rod is provided with a stop edge matched with the convex edge, and the outer rod is provided with a fastening bolt for fixing the inner rod.

[0010] Specifically, the inner rod can be prevented from being completely separated from the outer rod through the matched convex edge and stop edge, and the extension length of the inner rod can be adjusted through the fastening bolt.

[0011] Optionally, the top of the solid-liquid separator body is provided with a feeding port, one side of the solid-liquid separator body is provided with a solid outlet in a slope, the position of the solid outlet corresponds to the discharge chute of the filter screen plate, the inclination angle of the solid outlet is consistent with the inclination angle of the discharge chute, the solid outlet is provided with a first discharge valve, the bottom of the other side of the solid-liquid separator body is provided with a liquid outlet, the liquid outlet is communicated with the liquid storage cavity, and the liquid outlet is provided with a second discharge valve.

[0012] Optionally, the top of the solid-liquid separator body is provided with a spraying mechanism, the spraying mechanism comprises a water tank, a spraying pipe and a water conveying pipeline, the water tank is fixed above the solid-liquid separator body, the spraying pipe is fixedly arranged in the solid-liquid separator body, the spraying pipe is communicated with the water tank through the water conveying pipeline, the position of the spraying pipe does not affect the normal operation of the slag scraping assembly, the bottom of the spraying pipe is provided with a plurality of spray heads, and the water conveying pipeline is provided with a water pump and a manual ball valve.

[0013] The utility model also includes other components which can make the solid-liquid separator rotary slag scraping device normally use, all are conventional technical means in the field. In addition, the device or component which is not added in the utility model is all adopted conventional technical means in the field, such as servo motor and water pump etc.

[0014] The working principle of the utility model is that, in use, the length of the telescopic rod assembly is adjusted to make the scraper contact with the inner wall of the solid-liquid separation cavity, the servo motor and the water pump are started, the servo motor drives the rotating rod to rotate through the gear transmission structure and drives the scraper and the cleaning plate to rotate, the scraper can scrape off the residue adsorbed on the inner wall of the solid-liquid separation cavity, the cleaning brush at the bottom of the cleaning plate can sweep the impurities falling on the surface of the filter screen plate into the discharge chute, the water pump pumps out the cleaning water in the water tank and sprays it out through the spray head, then the water is sprayed when scraping slag, the scraping effect is improved, the cleaned wastewater flows into the liquid storage cavity, and the impurities are collected in the discharge chute, the first discharge valve is opened, and the concentrated slag discharge is carried out, which is convenient to operate.

[0015] The utility model has the advantages that the telescopic rod assembly is used in the slag scraping mechanism, the diameter of the solid-liquid separation cavity can be adjusted to improve the applicability and facilitate the slag scraping, the cleaning brush is driven to rotate to sweep the scraped impurities into the discharge chute for concentrated slag discharge, which is convenient to operate and high in efficiency.BRIEF DESCRIPTION OF DRAWINGS BRIEF DESCRIPTION OF DRAWINGS

[0016] The utility model is further described below in combination with the drawings and embodiments.

[0017] Fig. 1 It is the overall structure schematic view of the utility model.

[0018] Fig. 2 It is the local structure schematic view of the filter screen board and the slag scraping assembly of the utility model.

[0019] Fig. 3 It is the local structure schematic view of the telescopic link assembly of the utility model.

[0020] In the drawing: 1. solid-liquid separator body, 2. solid-liquid separation cavity, 3. liquid storage cavity, 4. filter screen board, 5. discharge chute, 6. rotating rod, 7. telescopic link assembly, 8. cleaning plate, 9. cleaning brush, 10. inner rod, 11. outer rod, 12. mounting plate, 13. scraper, 14. convex edge, 15. blocking edge, 16. fastening bolt, 17. servo motor, 18. gear transmission structure, 19. feed inlet, 20. solid outlet, 21. liquid outlet, 22. water tank, 23. spray pipe, 24. water delivery pipeline, 25. spray head, 26. water pump, 27. manual ball valve. DETAILED DESCRIPTION

[0021] The utility model is further described below in combination with the drawings and embodiments in the embodiments of the utility model, the description in here is merely used to explain the utility model, but should not be regarded as the limitation to the utility model. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor, any modification, equivalent replacement, improvement etc. should be contained in the protection scope of the utility model.

[0022] EMBODIMENT

[0023] As Figs. 1-3 shown, the utility model embodiment provides a kind of solid-liquid separator rotary slag scraping device, including solid-liquid separator body 1 and slag scraping mechanism, solid-liquid separation cavity 2 and liquid storage cavity 3 are arranged in the inside of solid-liquid separator body 1 up and down, and solid-liquid separation cavity 2 and liquid storage cavity 3 are separated by filter screen board 4, wherein solid-liquid separation cavity 2 is cylindrical;Filter screen board 4 is circular, and inclined discharge chute 5 is set on filter screen board 4 along radial direction, and the distance between the bottom surface of discharge chute 5 and the top surface of filter screen board 4 gradually increases from center to brim.

[0024] The slag scraping mechanism comprises a slag scraping assembly and a driving assembly. The slag scraping assembly is arranged inside the solid-liquid separation chamber 2 and comprises a rotating rod 6 and an extension rod assembly 7. The rotating rod 6 is vertically arranged, the top end of the rotating rod 6 penetrates through the top of the solid-liquid separator body 1, and the rotating rod 6 is rotationally connected with the top wall of the solid-liquid separator body 1. The bottom end of the rotating rod 6 is transversely fixed with a cleaning plate 8, the bottom of the cleaning plate 8 is provided with a cleaning brush 9, and the bottom of the cleaning brush 9 abuts against the top surface of the filter screen plate 4. The extension rod assembly 7 is transversely arranged and comprises an inner rod 10 and an outer rod 11 which are sleeved with each other. One end of the inner rod 10 is vertically fixed with a mounting plate 12, the mounting plate 12 is provided with a scraper 13, the other end of the inner rod 10 is provided with a protruding edge 14, one end of the outer rod 11 is fixed in the middle of the rotating rod 6, the other end of the outer rod 11 is provided with a blocking edge 15 matched with the protruding edge 14, and the outer rod 11 is provided with a fastening bolt 16 for fixing the inner rod 10. Through the matched protruding edge 14 and blocking edge 15, the inner rod 10 can be prevented from completely separating from the outer rod 11, and the extension length of the inner rod 10 can be adjusted through the fastening bolt 16. The driving assembly is arranged outside the solid-liquid separator and comprises a servo motor 17. The servo motor 17 is fixedly installed above the solid-liquid separator body 1, and the output shaft of the servo motor 17 is connected with the top end of the rotating rod 6 through a gear transmission structure 18.

[0025] In addition, the top of the solid-liquid separator body 1 is provided with a feeding port 19, one side of the solid-liquid separator body 1 is obliquely provided with a solid outlet 20, the position of the solid outlet 20 corresponds to the discharge chute 5 of the filter screen plate 4, the inclination angle of the solid outlet 20 is consistent with the inclination angle of the discharge chute 5, the solid outlet 20 is provided with a first discharge valve, and the bottom end of the other side of the solid-liquid separator body 1 is provided with a liquid outlet 21 which is communicated with the liquid storage chamber 3. The liquid outlet 21 is provided with a second discharge valve.

[0026] In addition, the top of the solid-liquid separator body 1 is provided with a spraying mechanism. The spraying mechanism comprises a water tank 22, a spraying pipe 23 and a water conveying pipeline 24. The water tank 22 is fixed above the solid-liquid separator body 1, the spraying pipe 23 is fixedly arranged inside the solid-liquid separator body 1 and is communicated with the water tank 22 through the water conveying pipeline 24. The position of the spraying pipe 23 does not affect the normal operation of the slag scraping assembly. The bottom of the spraying pipe 23 is provided with a plurality of spray heads 25, and the water conveying pipeline 24 is provided with a water pump 26 and a manual ball valve 27.

[0027] The working principle of the utility model is that, in use, the length of telescopic rod assembly 7 is adjusted to make the scraper 13 contact with the inner wall of the solid-liquid separation chamber 2, the servo motor 17 and the water pump 26 are started, the servo motor 17 drives the rotating rod 6 to rotate through the gear transmission structure 18, and drives the scraper 13 and the cleaning plate 8 to rotate, the scraper 13 can scrape off the residue adsorbed on the inner wall of the solid-liquid separation chamber 2, the cleaning brush 9 at the bottom of the cleaning plate 8 can continuously sweep the impurities falling on the surface of the filter screen plate 4 into the discharge chute 5, the water pump 26 pumps out the cleaning water in the water tank 22 and sprays it through the spray head 25, and then sprays water when scraping residue, improves the residue scraping effect, the cleaned wastewater flows into the liquid storage chamber 3, and the impurities are collected into the discharge chute 5, the first discharge valve is opened, and concentrated residue discharge is carried out, which is convenient to operate.

[0028] The above has described the embodiments of the utility model, the above description is exemplary, is not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes are obvious to those skilled in the art without departing from the scope and spirit of the described embodiments.

Claims

1. A rotary decanting device for a solid-liquid separator, comprising a solid-liquid separator body and a decanting mechanism, characterised in that: The solid-liquid separation machine body is internally provided with a solid-liquid separation cavity and a liquid storage cavity in a vertical direction, and the solid-liquid separation cavity and the liquid storage cavity are separated by a filter screen plate, and the filter screen plate is provided with an inclined discharge chute. The slag scraping mechanism comprises a slag scraping assembly and a driving assembly. The slag scraping assembly is arranged in the interior of the solid-liquid separation cavity. The slag scraping assembly comprises a rotating rod and a telescopic rod assembly. The rotating rod is vertically arranged. The top end of the rotating rod penetrates through the top of the solid-liquid separation machine body and is rotationally connected with the top wall of the solid-liquid separation machine body. The bottom end of the rotating rod is transversely fixed with a cleaning plate. The telescopic rod assembly is transversely arranged. The telescopic rod assembly comprises an inner rod and an outer rod which are sleeved with each other. One end of the inner rod is vertically fixed with a mounting plate, and the mounting plate is provided with a scraper. One end of the outer rod is fixed to the middle part of the rotating rod. The driving assembly is arranged outside the solid-liquid separation machine and is used for driving the rotating rod to rotate.

2. The rotary decanting device of a solid-liquid separator according to claim 1, characterized in that: The driving assembly comprises a servo motor. The servo motor is fixedly installed above the solid-liquid separation machine body. The output shaft of the servo motor is drivingly connected with the top end of the rotating rod through a gear transmission structure.

3. The rotary decanting device of a solid-liquid separator according to claim 2, wherein: The bottom of the cleaning plate is provided with a cleaning brush, and the bottom of the cleaning brush abuts against the top surface of the filter screen plate.

4. The rotary decanting device of claim 3, wherein: The other end of the inner rod is provided with a convex edge, the other end of the outer rod is provided with a stop edge matched with the convex edge, and the outer rod is provided with a fastening bolt for fixing the inner rod.

5. The rotary decanting device of claim 4, wherein: The top of the solid-liquid separation machine body is provided with a feeding port. The side of the solid-liquid separation machine body is obliquely provided with a solid outlet, and the position of the solid outlet corresponds to the discharge chute of the filter screen plate. The solid outlet is provided with a first discharge valve. The bottom end of the other side of the solid-liquid separation machine body is provided with a liquid outlet, and the liquid outlet is in communication with the liquid storage cavity. The liquid outlet is provided with a second discharge valve.

6. The rotary decanting device of claim 5, wherein: The top of the solid-liquid separation machine body is provided with a spraying mechanism. The spraying mechanism comprises a water tank, a spraying pipe and a water conveying pipeline. The water tank is fixed above the solid-liquid separation machine body. The spraying pipe is fixedly arranged in the interior of the solid-liquid separation machine body and is in communication with the water tank through the water conveying pipeline. The bottom of the spraying pipe is provided with a plurality of spray heads. The water conveying pipeline is provided with a water pump and a manual ball valve.

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