Reciprocating sludge scraper

Abstract

The present invention discloses a reciprocating sludge scraper, which comprises a sludge feeding body, a sludge storage box being arranged at one end of the sludge feeding body, a sludge storage tank being provided on the sludge storage box, and being used for buffering the sludge scraped and accumulated by the scraper at the bottom of the storage pool; at the same time, a sludge guiding assembly being provided in the sludge storage tank, and being used for conveying the sludge in the sludge storage tank out of the pool; at the same time, two scraper fixing frames being symmetrically arranged on one side of the sludge feeding body, a sludge scraping assembly being slidably arranged between the two scraper fixing frames, and being used for scraping the sludge at the bottom of the pool onto the sludge feeding body, and then conveying the sludge to the sludge storage box through the sludge feeding body, and finally conveying the sludge out of the pool through the sludge guiding assembly; the overall structure is simple, and the problem that a large amount of sediment at the bottom of the pool cannot be taken out during the continuous purification process of sewage is solved.

Description

Technical Field

[0001] The invention relates to the technical field of sludge treatment, in particular to a reciprocating sludge scraper. Background Art

[0002] In the sludge solidification and dehydration industry, the sludge is conditioned and flocculated by polyaluminum chloride and polyacrylamide before entering the inclined plate sedimentation tank. After the flocculated sludge supernatant overflows, the flocculated sludge in the lower layer has poor fluidity and is difficult to be sucked out completely through the feed pump. Long-term accumulation will cause adhesion and seriously occupy the space of the inclined plate sedimentation tank, thereby affecting the conditioning and flocculation effect of polyaluminum chloride and polyacrylamide, resulting in increased working time of the plate and frame filter press, increased moisture content of the mud cake, and increased costs of polyaluminum chloride and polyacrylamide reagents.

[0003] In order to solve the above problems, we designed a reciprocating sludge scraper. The scraper is located at the bottom of the inclined plate sedimentation tank. Through reciprocating motion, it continuously outputs the flocculated sludge in the lower layer of the inclined plate sedimentation tank. This solves the problem of poor fluidity of the lower layer of sludge after flocculation by polyaluminum chloride and polyacrylamide, reduces the space occupied by the inclined plate sedimentation tank, and has a good treatment effect. Summary of the Invention

[0004] The object of the present invention is to provide a reciprocating sludge scraper to solve the technical problems in the above background.

[0005] The purpose of the present invention can be achieved through the following technical solutions:

[0006] The reciprocating sludge scraper comprises a sludge feeding body, a sludge storage box is provided at one end of the sludge feeding body, a sludge storage tank is provided on the sludge storage box, a sludge guide assembly is provided in the sludge storage tank, a scraper fixing frame is symmetrically provided on one side of the sludge feeding body, and a sludge scraper assembly is slidably provided between the two scraper fixing frames;

[0007] The mud scraping assembly comprises a reciprocating suspension which is slidably arranged between two scraper fixing frames, and a diffusion prevention plate and a mud scraping plate are rotatably arranged on one side of the reciprocating suspension close to the mud feeding body.

[0008] As a further solution of the present invention: a plurality of scraper cylinders are arranged at equal intervals on one side of the reciprocating suspension, a connecting ear is provided on the protruding end of the scraper cylinder, a connecting rod is symmetrically rotated on the connecting ear, and the two connecting rods are respectively rotatably connected to the anti-diffusion plate and the scraper plate.

[0009] As a further solution of the present invention: the anti-diffusion plate is located above the buffer transverse plate, the anti-diffusion plate is provided with a buffer transverse plate, and a plurality of anti-wear balls are provided at equal intervals on the side of the buffer transverse plate.

[0010] As a further solution of the present invention: the mud guiding assembly includes a mud guiding cylinder fixedly arranged in the mud storage tank, a mud guiding shaft is rotatably arranged inside the mud guiding cylinder, and a mud guiding spiral blade with an outer diameter the same as the inner diameter of the mud guiding cylinder is arranged on the mud guiding shaft, and the mud guiding spiral blade is made of water filtering material.

[0011] As a further solution of the present invention: the mud guide tube is arranged obliquely and a mud guide motor is provided at the end thereof, the output end of the mud guide motor is fixedly connected to the mud guide shaft, and a mud outlet is provided on one side of the mud guide tube.

[0012] As a further solution of the present invention: a mounting plate is symmetrically provided on one side of the mud feeding body, one end of the mounting plate is fixedly connected to the mud feeding body, the end of the scraper fixing frame is fixedly connected to the other end of the mounting plate, and the center line of the scraper fixing frame is perpendicular to the center line of the mud feeding body.

[0013] As a further solution of the present invention: a mud delivery chain is symmetrically arranged in the mud delivery body, a mud delivery support plate for conveying sludge is arranged between the two mud delivery chains, and a mud delivery motor is arranged on one side of the mud delivery body to provide power for the mud delivery chain.

[0014] As a further solution of the present invention: a reciprocating drag chain is provided for internal rotation of the scraper fixing frame, a scraper motor is provided at one end of the scraper fixing frame for controlling the movement of the reciprocating drag chain, and the end of the reciprocating suspension is connected to the reciprocating drag chain.

[0015] As a further solution of the present invention: fixing plates are symmetrically provided on both sides of the scraper fixing frame.

[0016] Beneficial effects of the present invention:

[0017] (1) In the present invention, since the bottom of the sedimentation tank of the water treatment plant is designed to be horizontal, when the equipment is in use, in order to ensure the effective sedimentation of sludge and to push it onto the sludge delivery body, a mounting plate is symmetrically provided on one side of the sludge delivery body, one end of the mounting plate is fixedly connected to the sludge delivery body, and the end of the scraper fixing frame is fixedly connected to the other end of the mounting plate. The center line of the scraper fixing frame is perpendicular to the center line of the sludge delivery body, that is, the height of the two scraper fixing frames is higher than the sludge delivery body. During installation, a sedimentation trough for installing the sludge delivery body is excavated at one end of the sedimentation tank, and then the sludge delivery body is installed in the sedimentation trough, and the scraper fixing frames are installed on both sides of the bottom of the tank. At this time, the scraper assembly can scrape the sludge deposited on the bottom of the tank and push it to the sludge delivery body for transportation and output when it is in motion, thereby ensuring that when the water treatment plant continuously treats sewage, the treatment of the bottom sludge easily causes turbidity in the entire tank;

[0018] (2) In the present invention, the opening and closing angles between the anti-diffusion plate and the scraper plate can be controlled by extending and retracting the scraper cylinder. When scraping, the scraper cylinder extends to make the bottom of the scraper plate contact the bottom of the pool, that is, the anti-wear balls under the scraper plate roll in contact with the bottom of the pool. At this time, the sludge deposited on the bottom of the pool can be scraped and pushed. While scraping and pushing, the buffer cross plate on the anti-diffusion plate can prevent the sludge deposited on the bottom from diffusing. After the scraper plate pushes the sludge deposited on the bottom of the pool onto the mud delivery body, the scraper assembly performs a return movement. At this time, the scraper cylinder contracts to reduce the opening and closing angle between the anti-diffusion plate and the scraper plate. At this time, the force exerted by the scraper assembly on the water in the pool during the return movement will be reduced, and no large pulling force will be generated, thereby avoiding further turbidity of the sewage and reducing the time for sewage deposition.

[0019] (3) In the present invention, after the sludge scraping assembly pushes the sludge at the bottom of the pool onto the sludge delivery body and the sludge delivery body delivers the sludge to the sludge storage tank, the sludge delivery motor can be used to drive the sludge delivery shaft to rotate. At this time, the sludge in the sludge storage tank can be delivered upward by the sludge delivery spiral blades and delivered through the sludge outlet without manual operation. The sludge delivery spiral blades are made of a material that can filter water, that is, they can filter water and avoid a large amount of sewage being carried by the spiral output. The whole process not only purifies the sewage and deposits the sludge at the bottom for accumulation treatment, but also delivers the sludge, and avoids the occurrence of large-scale turbidity of sewage during the treatment process. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The present invention will be further described below with reference to the accompanying drawings.

[0021] Figure 1 This is a top view of the structure of the reciprocating sludge scraper in Example 1 of the present invention;

[0022] Figure 2 This is a structural side view of the reciprocating sludge scraper in Example 1 of the present invention;

[0023] Figure 3 This is a schematic diagram of the connection structure between the scraper fixing frame and the mounting vertical plate in the present invention;

[0024] Figure 4 It is a cross-sectional schematic diagram of the connection structure between the scraper and the reciprocating suspension in the present invention;

[0025] Figure 5 This is a schematic diagram of the cross-sectional connection structure of the mud guide assembly in the present invention;

[0026] Figure 6 It is a structural schematic diagram of the reciprocating sludge scraper in the second embodiment of the present invention.

[0027] In the figure: 1. Mud feeding body; 10. Mud feeding motor; 11. Mud feeding drag chain; 12. Mud feeding support plate; 13. Mounting vertical plate; 2. Mud storage box; 20. Mud storage tank; 3. Mud guide assembly; 31. Mud guide cylinder; 310. Mud outlet; 32. Mud guide motor; 33. Mud guide shaft; 331. Mud guide spiral blade; 4. Scraper fixing frame; 40. Fixing plate; 41. Scraper motor; 42. Reciprocating drag chain; 5. Mud scraping assembly; 51. Reciprocating suspension; 52. Anti-diffusion plate; 521. Buffer cross plate; 53. Mud scraping plate; 531. Anti-wear ball; 54. Mud scraping cylinder; 541. Connecting ear; 55. Connecting rod. DETAILED DESCRIPTION

[0028] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. 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 making any creative efforts shall fall within the scope of protection of the present invention.

[0029] See also Figure 1 - Figure 6 As shown, the present invention provides the following two embodiments:

[0030] Example 1

[0031] The reciprocating sludge scraper comprises a sludge feeding body 1, a sludge storage box 2 is provided at one end of the sludge feeding body 1, a sludge storage tank 2 is provided on the sludge storage tank 2, which is used to buffer the sludge scraped from the bottom of the storage pool by the scraper, and at the same time, a sludge guide assembly 3 is provided in the sludge storage tank 20, which is used to transport the sludge in the sludge storage tank 20 out of the pool, and at the same time, two scraper fixing frames 4 are symmetrically provided on one side of the sludge feeding body 1, and a sludge scraper assembly 5 is slidably provided between the two scraper fixing frames 4, which is used to scrape the sludge at the bottom of the pool onto the sludge feeding body 1, and then transport it to the sludge storage box 2 through the sludge feeding body 1, and finally transport the sludge out of the pool through the sludge guide assembly 3. The overall structure is simple, which solves the problem that a lot of sediment at the bottom of the pool cannot be removed during the continuous purification process of sewage;

[0032] Structural design of scraper assembly 5 Figure 1 、 Figure 2 and Figure 4 As shown, the sludge scraping assembly 5 includes a reciprocating suspension 51 slidably arranged between two scraper fixing frames 4. An anti-diffusion plate 52 and a sludge scraping plate 53 are rotatably arranged on one side of the reciprocating suspension 51 close to the sludge feeding body 1. When the sludge deposited at the bottom of the pool reaches a certain thickness, the anti-diffusion plate 52 and the sludge scraping plate 53 on the reciprocating suspension 51 open to form a certain angle, and then move toward the sludge feeding body 1 to push the sludge deposited at the bottom of the pool onto the sludge feeding body 1.

[0033] The sludge scraper 5 is fixed on the bottom of the sludge scraper 1, and the sludge scraper 5 is fixed on the bottom of the sludge scraper 1.

[0034] Specifically, a plurality of scraper cylinders 54 are arranged at equal intervals on one side of the reciprocating suspension 51, and a connecting ear 541 is provided on the protruding end of each scraper cylinder 54, and a connecting rod 55 is symmetrically rotatably provided on each connecting ear 541. The two connecting rods 55 are rotatably connected to the anti-diffusion plate 52 and the scraper plate 53 respectively, and the anti-diffusion plate 52 is located above the buffer transverse plate 521, and a buffer transverse plate 521 is provided on the anti-diffusion plate 52. A plurality of anti-wear balls 531 are arranged at equal intervals on the side of the buffer transverse plate 521. The opening and closing angles between the anti-diffusion plate 52 and the scraper plate 53 can be controlled by the extension and retraction of the scraper cylinder 54. When scraping mud, the scraper cylinder 54 is extended to make the bottom of the scraper plate 53 contact the bottom of the pool. That is, the anti-wear balls 531 under the scraper plate 53 are in rolling contact with the bottom of the pool, and the sludge deposited on the bottom of the pool can be scraped and pushed. At the same time of scraping and pushing, the buffer cross plate 521 on the anti-diffusion plate 52 can prevent the sludge deposited on the bottom from diffusing. After the scraper plate 53 pushes the sludge deposited on the bottom of the pool onto the mud delivery body 1, the scraper assembly 5 performs a return movement. At this time, the scraper cylinder 54 contracts and reduces the opening and closing angle between the anti-diffusion plate 52 and the scraper plate 53. At this time, the force of the scraper assembly 5 on the water in the pool during the return movement will be reduced, and no large pulling force will be generated, thereby avoiding further turbidity of the sewage and reducing the time of sewage deposition.

[0035] Structural design reference for mud guide assembly 3 Figure 2 and Figure 5As shown, the mud guide assembly 3 includes a mud guide cylinder 31 fixedly arranged in the mud storage tank 20, a mud guide shaft 33 is rotatably provided inside the mud guide cylinder 31, and a mud guide spiral blade 331 with an outer diameter identical to the inner diameter of the mud guide cylinder 31 is provided on the mud guide shaft 33, and the mud guide spiral blade 331 is made of a water filtering material; wherein, the mud guide cylinder 31 is tilted and a mud guide motor 32 is provided at the end thereof, and the output end of the mud guide motor 32 is fixedly connected to the mud guide shaft 33, and finally, a mud outlet 310 is provided on one side of the mud guide cylinder 31. When the mud scraping assembly 5 pushes the silt at the bottom of the pool to the mud delivery body 1 and is delivered to the mud delivery body 1, the mud guide spiral blade 331 is made of a water filtering material. After the mud machine body 1 is transported to the mud storage tank 20, the mud guide shaft 33 can be driven to rotate by the mud guide motor 32. At this time, the sludge in the mud storage tank 20 can be transported upward through the mud guide spiral blades 331 and output through the mud outlet 310 without manual operation. The mud guide spiral blades 331 are made of a material that can filter water, that is, they can filter water to avoid a large amount of sewage brought by the spiral output. The whole process not only purifies the sewage and deposits the sludge at the bottom for accumulation treatment, but also outputs the sludge, and avoids the occurrence of large-scale turbidity of sewage during the treatment process.

[0036] In addition, refer to Figure 1 and Figure 2 As shown, a mud feeding drag chain 11 is symmetrically arranged in the mud feeding body 1, and a mud feeding support plate 12 for conveying sludge is arranged between the two mud feeding drag chains 11. A mud feeding motor 10 is arranged on one side of the mud feeding body 1 to provide power for the mud feeding drag chain 11. The mud feeding motor 10 drives the mud feeding drag chain 11 to rotate, and then drives the mud feeding support plate 12 to perform conveying movement. At this time, the sludge can be conveyed. The conveying structure is simple, and continuous and slow conveying can be performed, which effectively avoids vibration pollution to the sludge at the bottom of the pool and turbidity caused by the conveying process.

[0037] Reference Figure 3 As shown, the internal rotation of the scraper fixing frame 4 is provided with a reciprocating drag chain 42 for controlling the reciprocating motion of the mud scraping assembly 5, and then a scraper motor 41 is provided at one end of the scraper fixing frame 4 to control the movement of the reciprocating drag chain 42, and then the end of the reciprocating suspension 51 is connected to the reciprocating drag chain 42. The reciprocating motion of the reciprocating drag chain 42 is controlled by the scraper motor 41, so that the reciprocating movement of the mud scraping assembly 5 can be controlled. At this time, the sludge at the bottom of the pool can be scraped and accumulated, so that the sludge is slowly transported to the mud feeding body 1.

[0038] In order to ensure the stability of the scraper fixing frame 4, fixing plates 40 are symmetrically provided on both sides of the scraper fixing frame 4 for installation at the bottom of the pool.

[0039] Example 2

[0040] Different from the first embodiment, in order to meet the installation and scraping efficiency of water pools of different lengths, the mud delivery body 1 can be set in the middle, and the mud scraping components 5 are respectively set on both sides of the mud delivery body 1, which can adapt to the installation and use requirements of different sedimentation water pools. When facing the use of sedimentation water pools with longer lengths, the mud scraping efficiency can be improved, and the situation where too much silt is scraped at one time and the mud scraping component 5 makes the water pool turbid during the scraping process can be avoided. It has good flexible installation and high adaptability.

[0041] Working principle of the present invention:

[0042] When in use, a sedimentation tank for installing the mud delivery body 1 is excavated at one end of the sedimentation pool, and then the mud delivery body 1 is installed in the sedimentation tank, and the scraper fixing frame 4 is installed on both sides of the bottom of the pool. After the sewage is passed into the sedimentation pool, the solid matter and silt and other impurities in the water are settled at the bottom of the pool. At this time, the mud scraping cylinder 54 extends, so that the bottom of the mud scraping plate 53 contacts the bottom of the pool, that is, the anti-wear ball 531 under the mud scraping plate 53 rolls and contacts the bottom of the pool, and then, the scraper motor 41 controls the movement of the scraper toward the bottom of the pool. The forward movement of the drag chain 42 can control the movement of the mud scraping assembly 5, scraping the sludge at the bottom of the pool onto the mud feeding body 1, and then, the mud feeding motor 10 drives the mud feeding drag chain 11 to rotate, and then drives the mud feeding support plate 12 to perform conveying movement. At this time, the sludge can be transported to the mud storage tank 20, and then the mud guide motor 32 can drive the mud guide shaft 33 to rotate. At this time, the sludge in the mud storage tank 20 can be transported upward through the mud guide spiral blade 331 and output through the mud outlet 310.

[0043] The above is a detailed description of an embodiment of the present invention. However, the content described is only a preferred embodiment of the present invention and should not be considered to limit the scope of the present invention. All equivalent changes and improvements made within the scope of the present invention should still fall within the scope of the patent coverage of the present invention.

Claims

1. A reciprocating sludge scraper, comprising a sludge conveying body (1), characterized in that: A mud storage box (2) is provided at one end of the mud delivery body (1), a mud storage tank (20) is provided on the mud storage box (2), a mud guide assembly (3) is provided in the mud storage tank (20), a scraper fixing frame (4) is symmetrically provided on one side of the mud delivery body (1), and a mud scraping assembly (5) is slidably provided between the two scraper fixing frames (4); Mud delivery chains (11) are symmetrically arranged in rotation within the mud delivery body (1), a mud delivery support plate (12) for conveying sludge is arranged between the two mud delivery chains (11), and a mud delivery motor (10) is arranged on one side of the mud delivery body (1) for providing power to the mud delivery chains (11); The scraper assembly (5) includes a reciprocating suspension (51) slidably arranged between two scraper fixing frames (4); an anti-diffusion plate (52) and a scraper plate (53) are rotatably arranged on one side of the reciprocating suspension (51) close to the mud delivery body (1); the anti-diffusion plate (52) is located above the scraper plate (53); a plurality of scraper cylinders (54) are equidistantly arranged on one side of the reciprocating suspension (51); a connecting ear (541) is provided on the protruding end of the scraper cylinder (54); a connecting rod (55) is symmetrically rotatably arranged on the connecting ear (541); and the two connecting rods (55) are rotatably connected to the anti-diffusion plate (52) and the scraper plate (53), respectively.

2. The reciprocating sludge scraper according to claim 1, characterized in that: A buffering transverse plate (521) is provided on the anti-diffusion plate (52), and a plurality of anti-wear balls (531) are provided at equal intervals on the side of the scraper plate (53).

3. The reciprocating sludge scraper according to claim 1, characterized in that: The mud guide assembly (3) comprises a mud guide cylinder (31) fixedly arranged in the mud storage tank (20); a mud guide shaft (33) is rotatably arranged inside the mud guide cylinder (31); a mud guide spiral blade (331) having an outer diameter identical to the inner diameter of the mud guide cylinder (31) is arranged on the mud guide shaft (33); the mud guide spiral blade (331) is made of a water filtering material.

4. The reciprocating sludge scraper according to claim 3, characterized in that: The mud guide cylinder (31) is arranged obliquely and a mud guide motor (32) is provided at the end thereof. The output end of the mud guide motor (32) is fixedly connected to the mud guide shaft (33). A mud outlet (310) is provided on one side of the mud guide cylinder (31).

5. The reciprocating sludge scraper according to claim 1, characterized in that: A mounting vertical plate (13) is symmetrically provided on one side of the mud delivery body (1), one end of the mounting vertical plate (13) is fixedly connected to the mud delivery body (1), an end of the scraper fixing frame (4) is fixedly connected to the other end of the mounting vertical plate (13), and a center line of the scraper fixing frame (4) and a center line of the mud delivery body (1) are perpendicular to each other.

6. The reciprocating sludge scraper according to claim 1, characterized in that: A reciprocating drag chain (42) is provided for internal rotation of the scraper fixing frame (4), a scraper motor (41) is provided at one end of the scraper fixing frame (4) for controlling the movement of the reciprocating drag chain (42), and an end of the reciprocating suspension (51) is connected to the reciprocating drag chain (42).

7. The reciprocating sludge scraper according to claim 6, characterized in that: Fixing plates (40) are symmetrically provided on both sides of the scraper fixing frame (4).

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