Automatic slag removal device for hydraulic mechanical screen in sewage treatment process

Abstract

The utility model discloses an automatic slag removal device for a hydraulic mechanical screen in a sewage treatment process, which comprises an automatic slag removal device for sewage treatment, a flow guide pipe is arranged on a flushing mechanism in the center of one side of an artificial grid on the automatic slag removal device for sewage treatment, and two rows of flushing nozzles are arranged on the flow guide pipe in a matched manner. A rotating shaft is horizontally arranged in the center of the interior of the filtrate tank mechanism below one side of the artificial grid, a scraping plate is arranged on the rotating shaft, a spiral conveying rod is arranged in the center of the interior of the pomace discharging and conveying tank below one side of the filtrate tank mechanism, and a pomace storage tank B is arranged outside the end head of the other end of the pomace discharging and conveying tank; according to the automatic residue removal device for sewage treatment, the high-pressure flushing mechanism is arranged, screen holes are continuously flushed, screen blockage is reduced, manual hole cleaning is reduced, fruit and vegetable waste of a hydraulic screen is prevented from being scraped to a fruit residue discharging groove, the fruit and vegetable waste is conveyed to a fruit residue storage groove B through the fruit residue discharging groove, and then the fruit and vegetable waste is further squeezed, dehydrated and transported outwards; the pomace does not need to be cleaned manually, so that the pomace treatment efficiency is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of sewage treatment, in particular to an automatic slag removal device for a hydraulic mechanical screen in a sewage treatment process. Background Art

[0002] A hydraulic screen (also known as a hydraulic mesh) is a simple, efficient, and easy-to-maintain device that uses porous materials to intercept suspended solids in liquids. It is suitable for removing suspended solids from low-concentration solutions. It is commonly used to treat industrial wastewater such as printing and dyeing wastewater and poultry processing, as well as municipal sewage treatment and the recovery of useful solid debris. Hydraulic screens are available in fixed flat, fixed curved, and rotary hydraulic screens.

[0003] However, the traditional hydraulic screen only includes the hydraulic screen device itself. When it is put into operation, it is necessary to regularly send special personnel to scrape the slag, flush the blocked screen holes, and manually clean the slag and transport it, which brings about large sewage treatment operation costs and pollution problems. Therefore, an improved technology is urgently needed to solve this problem in the existing technology. Utility Model Content

[0004] The purpose of the utility model is to provide a sewage treatment process equipment hydraulic screen automatic slag removal device which, by arranging a high-pressure flushing mechanism, continuously flushes the screen mesh holes, reduces screen blockage, and further reduces manual hole cleaning. The fruit and vegetable garbage on the hydraulic screen is scraped to a slag discharge trough, which transfers the fruit and vegetable garbage to a slag storage trough B, and further squeezes and dehydrates the fruit and vegetable garbage and transports it out, eliminating the need for special manual slag cleaning, thereby greatly improving the slag treatment efficiency, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned object, the utility model provides the following technical solution: an automatic slag removal device for a hydraulic mechanical screen in a sewage treatment process, comprising an automatic slag removal device for sewage treatment, a flushing mechanism, a filtrate trough mechanism, and a pomace discharge trough, wherein the automatic slag removal device for sewage treatment is provided with an artificial grid, a flushing mechanism is provided laterally in the center of one side of the artificial grid, the flushing mechanism is provided with a guide pipe, and the guide pipe is provided with two rows of flushing nozzles, with the two rows of flushing nozzles forming an angle of 120°;

[0006] A filtrate tank mechanism is provided on the lower side of the artificial grid, a rotating shaft is provided horizontally in the center of the filtrate tank mechanism, annular bearings are provided at both ends of the rotating shaft where they meet the filtrate tank mechanism, a scraper is provided on the rotating shaft, and a motor A is provided at one end of the rotating shaft. The vertical rotation angle range of the scraper is 0-360°;

[0007] A pomace discharge trough is provided at the lower side of the filtrate trough mechanism, and a spiral conveying rod is provided in the center of the interior of the pomace discharge trough. Annular bearings are used to cooperate and install the two ends of the spiral conveying rod with the pomace discharge trough. A motor B is provided at one end of the spiral conveying rod, and the motor B is arranged on the outer wall of the pomace discharge trough. A pomace receiving trough B is provided outside the other end of the pomace discharge trough, and the pomace discharge trough is connected to the pomace receiving trough B.

[0008] Preferably, the artificial grille forms an angle of 60° with the vertical direction, and both side edges of the artificial grille are provided with side baffles and flushing mechanism brackets, and the two ends of the guide pipe are installed in cooperation with the mounting grooves inside the flushing mechanism bracket.

[0009] Preferably, one end of the guide tube on the flushing mechanism is equipped with a small motor, and the small motor drives the guide tube on the flushing mechanism to rotate in the range of 0-20°. The other end of the guide tube of the flushing mechanism is provided with a water supply pipe, and the water supply pipe is connected to one end of the guide tube with a high-elastic hose, and the other end of the water supply pipe is provided with a high-pressure water pump.

[0010] Preferably, the filtrate trough mechanism is provided with a pomace receiving trough body, a notch is provided above the pomace receiving trough body, a pomace discharge notch is provided on one side wall of the pomace receiving trough body, an arc-shaped filter screen is provided on the inner bottom of the pomace receiving trough body, drainage holes are evenly provided inside the arc-shaped filter screen, and the lower edge of the pomace discharge notch on the side wall of the pomace receiving trough body cooperates with the upper notch of the pomace discharge trough.

[0011] Preferably, the inner bottom of the pomace discharge trough is semicircular, and the spiral conveying rod is mounted in cooperation with the bottom of the pomace discharge trough.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] (1) Two rows of flushing nozzles are provided on the guide pipe, and the angle between the two rows of flushing nozzles is 120 degrees. The edges of both sides of the artificial grille are provided with side baffles and flushing mechanism brackets. The two ends of the guide pipe are installed in conjunction with the mounting grooves inside the flushing mechanism bracket. The two rows of flushing nozzles on the flushing mechanism can better flush the fruit residue on the side of the artificial grille, and the flushing nozzles of the flushing mechanism nozzles in the next row can flush the filter residue on the screen to avoid clogging of the screen.

[0014] (2) A small motor is provided at one end of the guide tube on the flushing mechanism. The small motor drives the guide tube on the flushing mechanism to rotate within a range of 0-20 degrees, thereby increasing the flushing range. At the same time, a better flushing effect can be achieved by swinging the flushing mechanism.

[0015] (3) A slag discharge slot is provided on one side wall of the slag storage tank. After a period of accumulation, the slag is discharged from the slag discharge slot after the moisture in the slag is discharged. An arc-shaped filter is provided on the inner bottom of the slag storage tank. Drain holes are evenly arranged inside the arc-shaped filter. The arc-shaped filter facilitates the accumulation of slag. At the same time, the arc-shaped filter facilitates the cleaning of slag by the scraper.

[0016] (4) A scraper is provided on the rotating shaft, and a motor A is provided at one end of the rotating shaft. The scraper rotates in a vertical direction with an angle range of 0-360°. The motor A drives the scraper to rotate, and the scraper regularly scrapes away the fruit residue accumulated on the curved filter screen;

[0017] (5) A spiral conveying rod is provided in the center of the pomace discharge trough, and a motor B is provided at one end of the spiral conveying rod. The motor B drives the spiral conveying rod to rotate continuously, and all the pomace entering the pomace discharge trough is transported to the pomace storage trough B for centralized storage. There is no need for manual scraping of the pomace, which greatly reduces the workload of workers and improves efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the structure of the automatic slag removal device for sewage treatment of the utility model;

[0019] Figure 2 This is a schematic diagram of the structure of the pomace storage tank of the utility model.

[0020] In the figure: 1. Automatic slag removal device for sewage treatment; 2. Artificial grille; 3. Side baffle; 4. Flushing nozzle; 5. Diversion pipe; 6. Scraper; 7. Rotating shaft; 8. Filtrate trough mechanism; 9. Pomace discharge trough; 10. Screw conveying rod; 11. Pomace collection trough B; 12. Flushing mechanism bracket; 13. Motor A; 14. Motor B; 15. Pomace collection trough body; 16. Curved filter screen; 17. Pomace discharge notch; 18. Flushing mechanism. DETAILED DESCRIPTION

[0021] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0022] See also Figure 1-2The utility model provides a technical solution: an automatic slag removal device for a hydraulic mechanical screen in a sewage treatment process, comprising an automatic slag removal device for sewage treatment 1, a flushing mechanism 18, a filtrate trough mechanism 8, and a pomace discharge trough 9. An artificial grille 2 is provided on the automatic slag removal device for sewage treatment 1, and the artificial grille 2 forms an angle of 60° with the vertical direction. The large inclination angle allows the pomace on the artificial grille 2 to slide downward more easily.

[0023] A flushing mechanism 18 is horizontally provided in the center of one side of the artificial grille 2, and a guide pipe 5 is provided on the flushing mechanism 18. Two rows of flushing nozzles 4 are provided on the guide pipe 5, and the two rows of flushing nozzles 4 form an angle of 120°. Side baffles 3 and a flushing mechanism bracket 12 are provided on both side edges of the artificial grille 2. The two ends of the guide pipe 5 are installed in cooperation with the mounting grooves inside the flushing mechanism bracket 12. The two rows of flushing nozzles on the flushing mechanism 18 can better flush the fruit residue on the side of the artificial grille 2, and the flushing nozzles 4 in the next row from the nozzle of the flushing mechanism 18 can flush the filter residue on the screen to avoid clogging of the screen.

[0024] One end of the guide tube 5 on the flushing mechanism 18 is equipped with a small motor, and the small motor drives the guide tube 5 on the flushing mechanism 18 to rotate in the range of 0-20°, which can increase the flushing range. At the same time, a better flushing effect can be achieved by swinging the flushing mechanism 18. The other end of the guide tube 5 of the flushing mechanism 18 is provided with a water supply pipe, and the water supply pipe is connected to one end of the guide tube 5 with a high-elastic hose. The other end of the water supply pipe is provided with a high-pressure water pump, which provides clean water for the flushing mechanism 18, so that the flushing mechanism 18 can perform high-pressure flushing on the artificial grille 2 in real time, and high-pressure flushing has a better flushing effect.

[0025] A filtrate trough mechanism 8 is provided at the lower side of the artificial grille 2, and a pomace receiving trough body 15 is provided on the filtrate trough mechanism 8. A notch is provided above the pomace receiving trough body 15, and a slag discharge notch 17 is provided on one side wall of the pomace receiving trough body 15. After a period of accumulation, the pomace is discharged from the slag discharge notch 17 after the moisture in the pomace is discharged. An arc-shaped filter screen 16 is provided at the inner bottom of the pomace receiving trough body 15, and drainage holes are evenly provided inside the arc-shaped filter screen 16. The arc-shaped filter screen 16 facilitates the accumulation of pomace. At the same time, the arc-shaped filter screen 16 with an arc surface can facilitate the cleaning of the pomace by the scraper 6. The lower edge of the slag discharge notch 17 on the side wall of the pomace receiving trough body 15 is connected with the upper notch of the pomace discharge trough 9.

[0026] A rotating shaft 7 is horizontally provided in the center of the filtrate trough mechanism 8. Annular bearings are provided at both ends of the rotating shaft 7 where they are connected to the filtrate trough mechanism 8. A scraper 6 is provided on the rotating shaft 7. A motor A13 is provided at one end of the rotating shaft 7. The vertical rotation angle range of the scraper 6 is 0-360°. The motor A13 drives the scraper 6 to rotate, and the scraper 6 is used to scrape the fruit residue accumulated on the arc filter 16 clean at regular intervals.

[0027] A pomace discharge trough 9 is provided at the lower side of the filtrate trough mechanism 8, and a spiral conveying rod 10 is provided in the center of the interior of the pomace discharge trough 9. The inner bottom of the pomace discharge trough 9 is semicircular, and the spiral conveying rod 10 is installed in cooperation with the bottom of the pomace discharge trough 9. The two ends of the spiral conveying rod 10 are installed in cooperation with the pomace discharge trough 9 by adopting annular bearings. One end of the spiral conveying rod 10 is provided with a motor B14, and the motor B14 is arranged on the outer wall of the pomace discharge trough 9. A pomace receiving trough B11 is provided on the outside of the other end of the pomace discharge trough 9. The pomace discharge trough 9 is connected with the pomace receiving trough B11, and the motor B14 drives the spiral conveying rod 10 to rotate continuously, and all the pomace entering the interior of the pomace discharge trough 9 is transported to the interior of the pomace receiving trough B11 for centralized storage. There is no need for manual scraping of the pomace, which greatly reduces the workload of the workers and improves efficiency.

[0028] Working process: There is fruit pomace on the artificial screen 2 of the automatic deslagging device 1 for sewage treatment. The fruit pomace is processed by the artificial screen 2. The high-pressure water pump connected to one end of the flushing mechanism 18 continuously supplies water to the inside of the guide pipe 5. After passing through the guide pipe 5, the clean water flushes the fruit pomace on the artificial screen 2 through the flushing nozzle 4 on the side wall of the guide pipe 5. The flushed fruit pomace is concentrated in the filtrate tank mechanism 8 below. After the fruit pomace accumulates in the filtrate tank mechanism 8, the water in the fruit pomace is discharged through the drainage hole inside the arc filter 16. When the pomace inside the filtrate trough mechanism 8 accumulates to a certain amount, the motor A13 drives the scraper 6 to press downward for 1-2 minutes to further discharge the moisture accumulated in the pomace inside the filtrate trough mechanism 8. Then the motor A13 continues to drive the scraper 6 to rotate to scrape the pomace accumulated inside the liquid trough mechanism 8 clean. The pomace in the liquid trough mechanism 8 is sent to the inside of the pomace discharge trough 9. The motor B14 on the pomace discharge trough 9 drives the spiral conveying rod 10 to rotate to transport all the pomace to the inside of the pomace storage trough B11.

[0029] The automatic slag removal device 1 for sewage treatment is provided with a high-pressure flushing mechanism 18 to continuously flush the screen holes, thereby reducing screen blockage and thus reducing manual hole cleaning. The fruit and vegetable garbage on the hydraulic screen is scraped to the slag discharge trough 9, and the slag discharge trough 9 transfers the fruit and vegetable garbage to the slag storage trough B11, and then further squeezes and dehydrates the fruit and vegetable garbage and transports it out. No special manual slag cleaning is required, which greatly improves the efficiency of slag treatment.

[0030] 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 hydraulic mechanical sieve automatic slag removal device in a sewage treatment process, comprising a sewage treatment automatic slag removal device (1), a flushing mechanism (18), a filtrate tank mechanism (8), and a pomace discharge tank (9), characterized in that: The automatic slag removal device (1) for sewage treatment is provided with an artificial grille (2), a flushing mechanism (18) is provided laterally in the center of one side of the artificial grille (2), a flow guide pipe (5) is provided on the flushing mechanism (18), and two rows of flushing nozzles (4) are provided on the flow guide pipe (5), and the two rows of flushing nozzles (4) form an angle of 120 degrees between them; A filtrate tank mechanism (8) is provided below one side of the artificial grille (2), a rotating shaft (7) is provided horizontally in the center of the filtrate tank mechanism (8), annular bearings are provided at the joints between the two ends of the rotating shaft (7) and the filtrate tank mechanism (8), a scraper (6) is provided on the rotating shaft (7), a motor A (13) is provided at one end of the rotating shaft (7), and the vertical rotation angle range of the scraper (6) is 0-360°; A pomace discharge trough (9) is provided below one side of the filtrate trough mechanism (8), a spiral conveying rod (10) is provided in the center of the pomace discharge trough (9), and annular bearings are used to cooperate and install the two ends of the spiral conveying rod (10) and the pomace discharge trough (9). A motor B (14) is provided at one end of the spiral conveying rod (10), and the motor B (14) is arranged on the outer wall of the pomace discharge trough (9). A pomace receiving trough B (11) is provided outside the other end of the pomace discharge trough (9), and the pomace discharge trough (9) is communicated with the pomace receiving trough B (11).

2. The automatic slag removal device for a hydraulic mechanical screen in a sewage treatment process according to claim 1, characterized in that: The artificial grille (2) forms an angle of 60° with the vertical direction. Side baffles (3) and a flushing mechanism bracket (12) are provided on both side edges of the artificial grille (2). Both ends of the guide pipe (5) are mounted in cooperation with the mounting grooves inside the flushing mechanism bracket (12).

3. The automatic slag removal device for a hydraulic mechanical screen in a sewage treatment process according to claim 1, characterized in that: One end of the guide pipe (5) on the flushing mechanism (18) is equipped with a small motor. The small motor drives the guide pipe (5) on the flushing mechanism (18) to rotate at an angle of 0-20 degrees. The other end of the guide pipe (5) of the flushing mechanism (18) is equipped with a water supply pipe. The water supply pipe is connected to one end of the guide pipe (5) by a high-elastic hose. The other end of the water supply pipe is equipped with a high-pressure water pump.

4. The automatic slag removal device for a hydraulic mechanical screen in a sewage treatment process according to claim 1, characterized in that: The filtrate trough mechanism (8) is provided with a pomace storage trough body (15), a notch is provided on the top of the pomace storage trough body (15), a slag discharge notch (17) is provided on one side wall of the pomace storage trough body (15), an arc-shaped filter screen (16) is provided on the inner bottom of the pomace storage trough body (15), drainage holes are uniformly provided inside the arc-shaped filter screen (16), and the lower edge of the slag discharge notch (17) on the side wall of the pomace storage trough body (15) is connected with the upper notch of the pomace discharge trough (9).

5. The automatic slag removal device for a hydraulic mechanical screen in a sewage treatment process according to claim 1, characterized in that: The inner bottom of the pomace discharging trough (9) is semicircular, and the spiral conveying rod (10) is mounted in coordination with the bottom of the pomace discharging trough (9).

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