Sludge treatment device for sewage treatment plant

Abstract

The utility model relates to the field of sludge treatment, in particular to a sludge treatment device for a sewage treatment plant, which comprises a base, a treatment cabin, a liquid inlet pipe, a motor I, an auger, a filter grating cover and a discharge pipe, the treatment cabin is mounted in the middle of the top of the base, the liquid inlet pipe is communicated with the rear side of the top of the treatment cabin, and the motor I with a forward output shaft is mounted on the rear side of the top of the base. An output shaft of a motor extends into the treatment cabin, an auger is rotationally arranged in the treatment cabin, the inner side of the auger is connected with the output shaft of the motor I, a filter grating cover is rotationally arranged at the position, close to the inner wall of the base, in the base, and the front side of the bottom of the treatment cabin communicates with a discharge pipe bent to extend out of the base. According to the utility model, the efficient compression of sludge in the forward moving process is realized through the rotary propulsion of the auger and the gradual ejection of the pressing plate; the connection of the screw and the central shaft of the auger and the cooperation of the spring and the pressing plate ensure the long-term stable operation of the equipment.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of sludge treatment especially relates to a sludge disposal device for sewage treatment plant. BACKGROUND

[0002] Sewage treatment refers to the process of removing pollutants from wastewater through physical, chemical, and biological methods to meet discharge standards or reuse requirements. Sewage treatment is crucial for environmental protection, public health protection, and sustainable utilization of water resources.

[0003] In the process of sewage treatment, sludge is an inevitable byproduct. Sludge is mainly composed of organic matter, inorganic matter, microorganisms, and their metabolites, containing a certain amount of water, nutrients, and potential harmful substances (such as heavy metals, pathogens, etc.).

[0004] Currently, some existing sludge disposal devices often rely on single mechanical extrusion or centrifugal dewatering during sludge compression, making it difficult to achieve efficient and uniform compression effect, which leads to insignificant reduction in sludge volume and increased subsequent treatment cost.

[0005] Therefore, a sludge disposal device for sewage treatment plant is specially designed to solve the above problems. SUMMARY

[0006] In order to overcome the shortcomings of the prior art, the utility model provides a sludge disposal device for sewage treatment plant.

[0007] The technical implementation scheme of the utility model is: a sludge disposal device for sewage treatment plant, comprising a base, a treatment cabin, a liquid inlet pipe, a motor one, an auger, a filter grid cover, a discharge pipe, a mounting bracket, a screw rod, an adjusting disc, a spring and a pressing plate, the top middle of the base is installed with the treatment cabin, the top rear side of the treatment cabin is communicated with the liquid inlet pipe, the rear side of the top of the base is installed with the motor one with the output shaft facing forward, the output shaft of the motor one extends into the inside of the treatment cabin, the inside of the auger is connected with the output shaft of the motor one, the inside of the base is rotatably arranged with the filter grid cover near the inner wall, the bottom front side of the treatment cabin is communicated with the discharge pipe which is bent and extends into the inside of the base, the front end of the treatment cabin protrudes and extends, the front part of the auger extends into the extension part, the outside of the treatment cabin is provided with the mounting bracket, the front end center of the mounting bracket is screwedly provided with the screw rod, the outside of the screw rod is screwedly provided with the adjusting disc, the rear part of the adjusting disc is provided with the spring, the side away from the adjusting disc of the spring is provided with the pressing plate, the outer contour of the pressing plate is adapted to the inner contour of the extension part of the treatment cabin, and the outer surface of the pressing plate is in sliding contact with the inner wall of the extension part, the top front side of the base is provided with the inclined material outlet guide pipe below the extension part of the treatment cabin.

[0008] Further, a plurality of protruding pull rods are arranged on the outer circumference of the adjusting disc.

[0009] Further, the motor two, the gear and the gear ring are further included, the motor two is installed at the upper front end of the rear part of the mounting frame, the gear is rotatably arranged at the rear end of the upper rear part of the mounting frame, the output shaft of the motor two is connected with the gear, the gear ring is rotatably arranged at the front side of the filter cabin, the gear ring is connected with the front end of the filter grid cover, the lower end of the gear penetrates through one side of the upper wall of the treatment cabin and is rotatably engaged with the gear ring below.

[0010] Further, the screw rod extends rearward and is rotatably connected with the central shaft of the auger.

[0011] Further, the scraper is further included, the scraper is arranged in the interval between the inner upper wall of the treatment cabin and the filter grid cover, and the surface of the filter grid cover is rotatably contacted with the scraper.

[0012] Further, the active carbon filter screen is further included, and the active carbon filter screen is arranged at the inner upper part of the liquid inlet pipe.

[0013] Compared with the prior art, the utility model has the following advantages: 1, the utility model discloses a screw rod and the central shaft of the auger are connected, and the spring is matched with the pressing plate, so that the long-term stable operation of the equipment is ensured.

[0014] 2, the utility model discloses a spring is arranged at the rear part of the adjusting disc, and the pressing plate is arranged on the side away from the adjusting disc, so that the pressing plate can be flexibly adjusted according to the pressure of sludge, the compression effect is ensured, and damage to the equipment caused by excessive pressure is avoided.

[0015] 3, the utility model discloses a motor and a motor two drive the auger and the gear system respectively, so that the automation of the whole treatment process is realized, the treatment effect is optimized, and the energy consumption is reduced. DRAWINGS

[0016] Figure 1 It is a three-dimensional structure schematic view of the utility model.

[0017] Figure 2 It is a sectional structure schematic view of the treatment cabin, the liquid inlet pipe and the motor one of the utility model.

[0018] Figure 3 It is a sectional structure schematic view of the filter pipe, the liquid outlet pipe and the mounting frame of the utility model.

[0019] Figure 4 It is a sectional structure schematic view of the motor two, the gear and the gear ring of the utility model.

[0020] Parts name and serial number in the figure: 1, base, 2, processing cabin, 3, liquid inlet pipe, 4, motor one, 5, auger, 6, filter grid cover, 7, discharge pipe, 8, mounting frame, 9, screw, 10, adjusting disc, 11, spring, 12, pressing plate, 13, motor two, 14, gear, 15, gear ring, 16, scraper, 17, discharge guide pipe, 18, activated carbon filter screen. DETAILED DESCRIPTION

[0021] The utility model is specifically described below in combination with the drawings.

[0022] Embodiment: a sludge disposal device for sewage treatment plant, like Figures 1-4As shown, including the base 1, processing cabin 2, liquid inlet pipe 3, motor 4, auger 5, filter grid cover 6, discharge pipe 7, mounting frame 8, screw 9, adjusting disc 10, spring 11 and pressing plate 12, the base 1 is the basic support structure of the whole device, which ensures the stable installation and operation of each part, the top of the base 1 is provided with the processing cabin 2 in the middle, which is used for containing and processing sludge, and is the core container of the whole sludge disposal process, the top of the base 1 is provided with the motor 4 with the output shaft facing forward, the output shaft of the motor 4 extends into the processing cabin 2, the processing cabin 2 is rotatably provided with the auger 5, the inside of the auger 5 is connected with the output shaft of the motor 4, the motor 4 drives the auger 5 to rotate, and the sludge is pushed forward to move, so that the sludge is gradually dewatered and transported, the processing efficiency is improved, the base 1 is rotatably provided with the filter grid cover 6 close to the inner wall of the base 1, which can further filter the solid particles in the sludge, prevent larger particles from entering the subsequent processing link, the bottom of the processing cabin 2 is provided with the discharge pipe 7 extending out of the inside of the base 1, which is used for discharging the dewatered water in time, maintaining the pressure balance in the processing cabin 2, avoiding the influence of accumulated water on the processing effect, the front end of the processing cabin 2 protrudes forward and extends, the auger 5 extends into the extension part, the mounting frame 8 is arranged outside the processing cabin 2, the screw 9 is screwedly arranged at the center of the front end of the mounting frame 8, the adjusting disc 10 is screwedly arranged outside the screw 9, a plurality of protruding pull rods are arranged outside the adjusting disc 10 in the circumferential direction, the spring 11 is arranged at the rear part of the adjusting disc 10, the side, away from the adjusting disc 10, of the spring 11 is provided with the pressing plate 12, the spring 11 provides elastic force, so that the pressing plate 12 can be flexibly adjusted according to the pressure of the sludge, through the threaded connection mode cooperating with the adjusting disc 10, the pressure of the pressing plate 12 on the sludge can be flexibly adjusted, the compression effect is ensured, the screw 9 extends backward and is rotatably connected with the central shaft of the auger 5 through the inside of the pressing plate 12, the outer contour of the pressing plate 12 is adapted to the inner contour of the extension part of the processing cabin 2, and the outer surface of the pressing plate 12 is in sliding contact with the inner wall of the extension part, the pressing plate 12 is gradually pushed open in the process that the sludge is pushed forward, so that the sludge is effectively compressed, the inclined discharge guide pipe 17 is arranged below the extension part of the processing cabin 2 on the top of the base 1, so that the sludge after compression can be smoothly discharged, which is convenient for subsequent collection or further processing, and the risk of blockage is reduced.

[0023] As Figure 4As shown, the filter system further comprises a motor 13, a gear 14 and a gear ring 15, the motor 13 is installed on the upper front end of the rear of the mounting frame 8, the output shaft of the motor 13 is rearward, which ensures the long-term effective operation of the filter system, the gear 14 is rotatably arranged on the upper rear end of the rear of the mounting frame 8, the output shaft of the motor 13 is connected with the gear 14, the gear ring 15 is rotatably arranged on the front side in the filter cabin, the gear ring 15 is connected with the front end of the filter grille cover 6 to drive the filter grille cover 6 to rotate, the lower end of the gear 14 penetrates through one side of the upper wall of the treatment cabin 2 and is rotatably engaged with the gear ring 15 below, which ensures that the surface of the filter grille cover 6 is always kept clean and prevents blockage.

[0024] As shown in the drawings, Figure 4 As shown, the filter system further comprises a scraper 16, the scraper 16 is arranged in the interval between the inner upper wall of the treatment cabin 2 and the filter grille cover 6, the surface of the filter grille cover 6 is in rotational contact with the scraper 16, which regularly cleans the residues on the surface of the filter grille cover 6, prevents blockage and ensures the long-term effective operation of the filter system.

[0025] As shown in the drawings, Figure 1 As shown, the filter system further comprises an activated carbon filter screen 18, the activated carbon filter screen 18 is arranged in the upper part of the inlet pipe 3 and is used for preliminary filtering and adsorbing large-particle impurities and harmful substances in sewage.

[0026] When the sludge disposal device is started, the sludge slurry is introduced into the treatment cabin 2 through the inlet pipe 3, is preliminarily filtered through the activated carbon filter screen 18 to remove large-particle impurities and harmful substances, after the sludge slurry enters the treatment cabin 2, is subjected to secondary filtering through the filter grille cover 6, the gear 14 is driven to rotate by the motor 13, the gear ring 15 is driven to rotate, thereby the scraper 16 is in rotational contact with the filter grille cover, residues on the surface of the filter grille cover 6 are cleaned, blockage is prevented, at the same time, the auger 5 starts to rotate driven by the motor 1, the sludge is pushed forward and is gradually dewatered in the process of pushing, when the sludge continuously moves forward under the pushing of the auger 5, the sludge gradually pushes away the pressing plate 12, as the sludge is pushed forward, the degree that the pressing plate 12 is pushed away increases, the sludge in this part is gradually compressed under the pushing force, after the compression is completed, the sludge is discharged through the inclined discharge guide pipe 17, which is convenient for subsequent collection or further treatment, and the water is separated through the filter grille cover 6 and is discharged from the discharge pipe 7, the sludge after dewatering treatment is pushed to the front end of the treatment cabin 2 by the auger 5.

[0027] The technical principles of the embodiments of the present application are described above in combination with specific embodiments. These descriptions are only for explaining the principles of the embodiments of the present application, and cannot be interpreted as limiting the protection scope of the embodiments of the present application in any way. Based on the explanations herein, other specific embodiments of the embodiments of the present application can be conceived by those skilled in the art without creative labor, and these embodiments will fall within the protection scope of the embodiments of the present application.

Claims

1. A sludge disposal device for a wastewater treatment plant, characterized in that, The utility model provides a processing device, including base (1), processing cabin (2), liquid inlet pipe (3), motor one (4), auger (5), filter grid cover (6), discharge pipe (7), mounting bracket (8), screw rod (9), adjusting disc (10), spring (11) and presser plate (12), the top middle installation of base (1) has processing cabin (2), the top rear side communication of processing cabin (2) has liquid inlet pipe (3), the top rear side installation of base (1) has the motor one (4) of output shaft to the front, the output shaft of a motor enters processing cabin (2) inside, the inside rotation of processing cabin (2) is provided with auger (5), and the output shaft of motor one (4) is connected with the inside of auger (5), the rotation of base (1) is provided with filter grid cover (6) near its inner wall position, the bottom front side communication of processing cabin (2) has the discharge pipe (7) of bending and stretching out base (1) inside, and the front end of processing cabin (2) protrudes and extends, and the front part of auger (5) enters the extension, and the outside of processing cabin (2) is provided with mounting bracket (8), and the center place screw thread of mounting bracket (8) front end is provided with screw rod (9), and the outside screw thread of screw rod (9) is provided with adjusting disc (10), and the rear part of adjusting disc (10) is provided with spring (11), and the side away from adjusting disc (10) of spring (11) is provided with presser plate (12), and the outer contour of presser plate (12) is adapted to the extension of processing cabin (2) inner contour, and the outer surface of presser plate (12) and the inner wall of extension are in sliding contact, and the top front side of base (1) is provided with the inclined material outlet guide pipe (17) below the extension of processing cabin (2).

2. A sludge disposal apparatus for a sewage treatment plant according to claim 1, characterized in that The adjusting disc (10) is provided with a plurality of protruding pull rods outside the circumference.

3. A sludge disposal apparatus for a sewage treatment plant according to claim 2, wherein Further including motor two (13), gear (14) and gear ring (15), the front end of the upper portion of the rear part of mounting bracket (8) is installed with the motor two (13) of output shaft to the back, the rear end of the upper portion of the rear part of mounting bracket (8) is rotatably provided with gear (14), the output shaft of motor two (13) is connected with gear (14), the front side of filter cabin is rotatably provided with gear ring (15), gear ring (15) is connected with the front end of filter grid cover (6), the lower end of gear (14) passes through one side of the upper wall of processing cabin (2) and is rotatably engaged with the gear ring (15) below.

4. A sludge disposal apparatus for a sewage treatment plant according to claim 3, wherein The screw rod (9) extends backward and is rotatably connected with the central shaft of the auger (5) by penetrating the inside of the presser plate (12).

5. A sludge disposal apparatus for a sewage treatment plant according to claim 4, wherein Further including a scraper (16), the inside upper wall of the processing cabin (2) and the filter grid cover (6) are provided with a scraper (16), and the surface of the filter grid cover (6) is in rotational contact with the scraper (16).

6. A sludge disposal apparatus for a sewage treatment plant according to claim 5, wherein Further including an activated carbon filter screen (18), the upper part of the liquid inlet pipe (3) is provided with an activated carbon filter screen (18).

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