Settling tank bottom sediment suction device for sewage treatment

Abstract

The utility model provides a sedimentation tank bottom sediment suction device for sewage treatment, and relates to the field of sewage treatment. The sedimentation tank bottom sediment suction device for sewage treatment comprises a sedimentation tank, a bridge, a water inlet, a mud scraping mechanism, a suction mechanism, a water outlet and a butterfly valve, the bottom faces of the two ends of the bridge are fixedly connected with the tops of the two ends of the sedimentation tank, and the right end of the water inlet is communicated with the left side face of the top end of the sedimentation tank. According to the sedimentation tank bottom sediment suction device for sewage treatment, through the arranged mud scraping mechanism, an electric push rod is firstly controlled to be started, the electric push rod is started to drive a transmission plate to move downwards, and the transmission plate moves downwards to drive a positioning spring and a carrying sleeve to move downwards at the same time; the carrier sleeve moves downwards to drive the vertical pipe and the scraping plate to move downwards at the same time, when the bottom of the scraping plate makes full contact with the bottom face of the inner cavity of the sedimentation tank, positioning of the scraping plate can be rapidly completed at the moment, and the scraping plate can be promoted to have the telescopic function through contraction of the positioning spring.

Description

TECHNICAL FIELD

[0001] The utility model relates to sewage treatment field, concretely is a kind of sedimentation tank bottom silt suction device for sewage treatment. BACKGROUND

[0002] Sedimentation tank is widely used in water treatment industry, and the deposited sludge needs to be discharged by suction dredger regularly, at present, the existing suction dredger for sedimentation tank only carries out separation by suction pipe arranged above sludge, but since suction pipe is fixed in position, it leads to that suction pipe cannot separate deposited sludge at sedimentation tank bottom comprehensively, so that sludge in sedimentation tank is not cleaned thoroughly, and the existing suction dredger for sedimentation tank cannot scrape mud and suction mud simultaneously, and mud scraping structure is easy to have gap with sedimentation tank bottom, so as to reduce the dredging efficiency of sedimentation tank again. UTILITY MODEL CONTENTS

[0003] (I) technical problem solved

[0004] In view of the deficiencies of prior art, the utility model provides a kind of sedimentation tank bottom silt suction device for sewage treatment, solve the problem proposed in background art.

[0005] (II) technical scheme

[0006] To achieve the above object, the utility model is realized by the following technical scheme: a kind of sedimentation tank bottom silt suction device for sewage treatment, including sedimentation tank, bridge, water inlet, mud scraping mechanism, suction mechanism, water outlet and butterfly valve, the bottom surface of the bridge both ends is fixedly connected with the top of the both ends of sedimentation tank, the right end of water inlet is communicated with the left side of the top end of sedimentation tank, the bottom of mud scraping mechanism is fixedly connected with the top surface of bridge, the left end of suction mechanism is fixedly connected with the right side of sedimentation tank, the bottom end of butterfly valve is fixedly installed in the top of the right end of water outlet.

[0007] The mud scraping mechanism comprises a guide hole, a vertical pipe, a scraper, a stabilizing hole, a stabilizing rod, a gear ring, a stepping motor, a main drive gear, a carrier sleeve, a positioning spring, a transmission plate and an electric push rod, the guide hole is formed in the middle of the top surface of the bridge, the bottom end of the vertical pipe is inserted into the inner cavity of the guide hole, the two ends of the two scrapers close to each other are communicated with the outer walls on the two sides of the bottom end of the vertical pipe, the stabilizing hole is formed in the left side of the middle of the top surface of the bridge, the bottom end of the stabilizing rod is inserted into the inner cavity of the stabilizing hole, and the top end of the stabilizing rod is fixedly sleeved with the outer wall of the top end of the vertical pipe through a bearing, the inner wall of the gear ring is fixedly sleeved with the outer wall of the top end of the vertical pipe, the bottom of the stepping motor is fixedly connected with the top surface of the right end of the bridge, the main drive gear is fixedly sleeved with the output shaft outer wall of the top end of the stepping motor, the middle of the carrier sleeve is fixedly sleeved with the outer wall of the top end of the vertical pipe through a bearing, the bottom end of the positioning spring is fixedly connected with the top surface of the inner cavity of the carrier sleeve, the bottom surface of the right end of the transmission plate is fixedly connected with the top end of the positioning spring, and the top end and the bottom end of the electric push rod are fixedly connected with the transmission plate and the left side of the surface close to each other of the bridge respectively.

[0008] Preferably, the suction mechanism comprises a suction hole, a mud pump, an excess pipe, a mud guide pipe, a crushing motor, a blade, a screen and a mud discharge pipe, the suction hole is formed in the surface away from each other of the two scrapers respectively, the left end of the mud pump is fixedly connected with the right side surface of the sedimentation tank, the bottom of the excess pipe is communicated with the water suction port of the top end of the mud pump, the left end of the mud guide pipe penetrates through the top surface of the transmission plate and is fixedly sleeved with the inner wall of the top end of the vertical pipe through a sealing bearing, the right end of the mud guide pipe is communicated with the top of the excess pipe, the left side surface of the crushing motor is fixedly connected with the right side surface of the excess pipe, the ends close to each other of the blades are fixedly connected with the output shaft outer walls of the left end of the crushing motor respectively, the two ends of the screen are fixedly connected with the bottom of the inner walls of the two sides of the excess pipe, and the left end of the mud discharge pipe is communicated with the water discharge port of the front end of the mud pump.

[0009] Preferably, the left end of the main drive gear is engaged with the right end of the gear ring.

[0010] Preferably, the shapes of the two scrapers are both 'J' shapes, the surfaces away from each other of the two scrapers are uniformly provided with small blades, and the bottom surfaces of the two scrapers are overlapped with the bottom surface of the inner cavity of the sedimentation tank.

[0011] Preferably, the material of the screen is stainless steel.

[0012] Preferably, the surface of the stabilizing rod is in sliding connection with the inner wall of the stabilizing hole.

[0013] (Three) beneficial effects

[0014] The mud suction device for the bottom of the sedimentation tank for sewage treatment has the following beneficial effects:

[0015] 1. The device for absorbing the sludge at the bottom of the sedimentation tank for sewage treatment, through the setting of the mud scraping mechanism, firstly control the electric push rod to start, the electric push rod can drive the transmission plate to move downwards, the transmission plate can drive the positioning spring and the carrier sleeve to move downwards at the same time, the carrier sleeve can drive the vertical pipe and the scraper to move downwards at the same time, when the bottom of the scraper fully contacts with the bottom surface of the inner cavity of the sedimentation tank, the positioning of the scraper can be quickly completed, the scraper can have the telescopic function through the contraction of the positioning spring, so that the scraper can continuously contact the bottom surface of the inner cavity of the sedimentation tank, then control the stepping motor to start, the stepping motor can drive the main drive gear to rotate, the main drive gear can drive the gear ring and the vertical pipe to rotate at the same time, the vertical pipe can drive the scraper to rotate, the scraper can scrape the sludge on the bottom surface of the inner cavity of the sedimentation tank in all directions, so that the dredging efficiency and quality of the device are greatly improved.

[0016] 2. The device for absorbing the sludge at the bottom of the sedimentation tank for sewage treatment, through the setting of the absorption mechanism, firstly control the mud pump to start, the mud pump can drive the suction hole to efficiently separate the sludge scraped by the scraper into the inside of the scraper and the vertical pipe, then the sludge in the vertical pipe is transmitted into the inside of the overflow pipe, at this time, control the crushing motor to start, the crushing motor can drive the blade to rotate, the blade can quickly crush the sludge, the crushed sludge can be transmitted through the setting of the screen, finally the sludge can be effectively transmitted to the designated area by the sludge discharge pipe, so that the dredging work is quickly completed, and this dredging method greatly reduces the damage of the flow guide component inside the mud pump, and further improves the service life and practicality of the absorption device. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structural schematic view of the utility model;

[0018] Figure 2 It is a front view of the utility model;

[0019] Figure 3 It is a perspective view of the vertical pipe and scraper connecting structure of the utility model;

[0020] Figure 4 It is a side view of the utility model; Figure 3

[0021] Figure 5 It is an enlarged view of A in the utility model; Figure 1

[0022] ​​Wherein, 1, sedimentation tank; 2, bridge; 3, water inlet; 4, mud scraping mechanism; 401, guide hole; 402, vertical pipe; 403, scraper; 404, stabilizing hole; 405, stabilizing rod; 406, gear ring; 407, stepper motor; 408, main drive gear; 409, carrier sleeve; 410, positioning spring; 411, transmission plate; 412, electric push rod; 5, suction mechanism; 501, suction hole; 502, mud pump; 503, excess pipe; 504, mud guide pipe; 505, crushing motor; 506, blade; 507, screen; 508, mud discharge pipe; 6, water outlet; 7, butterfly valve. DETAILED DESCRIPTION

[0023] The utility model is further explained in connection with the drawings and examples.

[0024] The utility model discloses a kind of sedimentation tank bottom sludge suction devices for sewage treatment, as shown in figure Figures 1-5 The bottom of mud scraping mechanism 4 is fixedly connected with the top surface of bridge 2, the left end of suction mechanism 5 is fixedly connected with the right side surface of sedimentation tank 1, and the bottom end of butterfly valve 7 is fixedly installed on the top of the right end of water outlet 6.

[0025] The mud scraping mechanism 4 comprises a guide hole 401, a vertical pipe 402, a scraper 403, a stabilizing hole 404, a stabilizing rod 405, a gear ring 406, a stepping motor 407, a main drive gear 408, a carrier sleeve 409, a positioning spring 410, a transmission plate 411 and an electric push rod 412. The guide hole 401 is arranged in the middle of the top surface of the bridge 2. The bottom end of the vertical pipe 402 is inserted into the inner cavity of the guide hole 401. The two scrapers 403 are respectively communicated with the outer walls on both sides of the bottom end of the vertical pipe 402. The stabilizing hole 404 is arranged on the left side of the middle of the top surface of the bridge 2. The bottom end of the stabilizing rod 405 is inserted into the inner cavity of the stabilizing hole 404. The top end of the stabilizing rod 405 is fixedly sleeved with the outer wall of the top end of the vertical pipe 402 through a bearing. The inner wall of the gear ring 406 is fixedly sleeved with the outer wall of the top end of the vertical pipe 402. The bottom of the stepping motor 407 is fixedly connected with the top surface of the right end of the bridge 2. The main drive gear 408 is fixedly sleeved with the output shaft outer wall of the top end of the stepping motor 407. The middle of the carrier sleeve 409 is fixedly sleeved with the outer wall of the top end of the vertical pipe 402 through a bearing. The bottom end of the positioning spring 410 is fixedly connected with the top surface of the inner cavity of the carrier sleeve 409. The bottom surface of the right end of the transmission plate 411 is fixedly connected with the top end of the positioning spring 410. The top end and the bottom end of the electric push rod 412 are respectively fixedly connected with the left side of the face close to each other of the transmission plate 411 and the bridge 2. The electric push rod 412 is controlled to start. When the electric push rod 412 starts, the transmission plate 411 can be driven to move downward. When the transmission plate 411 moves downward, the positioning spring 410 and the carrier sleeve 409 can be simultaneously driven to move downward. When the carrier sleeve 409 moves downward, the vertical pipe 402 and the scraper 403 can be simultaneously driven to move downward. When the bottom of the scraper 403 is in full contact with the bottom surface of the inner cavity of the sedimentation tank 1, the positioning of the scraper 403 can be quickly completed. Through the contraction of the positioning spring 410, the scraper 403 can have the function of stretching and retracting.

[0026] When in use, firstly control the electric push rod 412 to start, the electric push rod 412 start can drive the transmission plate 411 to move down, the transmission plate 411 moves down can drive the positioning spring 410 and the carrier sleeve 409 to move down simultaneously, the carrier sleeve 409 moves down can drive the vertical pipe 402 and the scraper 403 to move down simultaneously, when the bottom of the scraper 403 and the bottom surface of the inner chamber of the sedimentation tank 1 are in full contact, the positioning of the scraper 403 can be completed quickly, the contraction of the positioning spring 410 can make the scraper 403 have the function of stretching and retracting, so that the scraper 403 can continuously contact the bottom surface of the inner chamber of the sedimentation tank 1, then control the step motor 407 to start, the step motor 407 start can drive the main drive gear 408 to rotate, the main drive gear 408 rotates can drive the gear ring 406 and the vertical pipe 402 to rotate simultaneously, the vertical pipe 402 rotates can drive the scraper 403 to rotate, the scraper 403 rotates can all-round scrape the sludge on the bottom surface of the inner chamber of the sedimentation tank 1, then control the mud pump 502 to start, the mud pump 502 start can drive the suction hole 501 to efficiently suck the sludge scraped by the scraper 403 into the inside of the scraper 403 and the vertical pipe 402, then the mud guide pipe 504 can transmit the sludge in the vertical pipe 402 to the inside of the overflow pipe 503, then control the smashing motor 505 to start, the smashing motor 505 start can drive the blade 506 to rotate, the blade 506 rotates can quickly smash the sludge, the setting of the screen 507 can transmit the smashed sludge, finally the sludge discharge pipe 508 can effectively transmit the sludge to the designated area, so that the dredging work is quickly completed.

[0027] Further, the suction mechanism 5 comprises suction holes 501, a mud pump 502, an overflow pipe 503, a mud guide pipe 504, a crushing motor 505, blades 506, a screen 507 and a mud discharge pipe 508. The suction holes 501 are arranged on the sides of the two scrapers 403 away from each other. The left end of the mud pump 502 is fixedly connected to the right side of the sedimentation tank 1. The mud pump 502 can drive the suction holes 501 to efficiently suck away the silt scraped by the scrapers 403 into the scrapers 403 and the vertical pipe 402. Then the mud guide pipe 504 can transmit the silt in the vertical pipe 402 into the overflow pipe 503. At this time, the crushing motor 505 is controlled to be started. The crushing motor 505 can drive the blades 506 to rotate, which can quickly crush the silt. The screen 507 can be arranged to transmit the crushed silt. Finally, the mud discharge pipe 508 can effectively transmit the silt to a designated area, thereby quickly completing the dredging work. The bottom of the overflow pipe 503 is in communication with the water suction port at the top end of the mud pump 502. The left end of the mud guide pipe 504 penetrates through the top surface of the transmission plate 411 and is fixedly connected to the inner wall at the top end of the vertical pipe 402 through a sealing bearing. The right end of the mud guide pipe 504 is in communication with the top of the overflow pipe 503. The left side of the crushing motor 505 is fixedly connected to the right side of the overflow pipe 503. The ends of the blades 506 away from each other are fixedly connected to the outer wall of the output shaft at the left end of the crushing motor 505. The two ends of the screen 507 are fixedly connected to the bottom of the inner walls on the two sides of the overflow pipe 503. The left end of the mud discharge pipe 508 is in communication with the water outlet at the front end of the mud pump 502, as shown in Figure 1 .

[0028] Further, the left end of the main drive gear 408 is engaged with the right end of the gear ring 406, as shown in Figure 1 . The width of the gear ring 406 can adapt to its own range of movement.

[0029] Further, the two scrapers 403 are both "J" shaped, and the sides of the two scrapers 403 away from each other are uniformly provided with small blades. The bottoms of the two scrapers 403 are overlapped with the bottom of the inner cavity of the sedimentation tank 1, as shown in Figure 4 . The small blades can break the scraped silt.

[0030] Further, the screen 507 is made of stainless steel, as shown in Figure 1 . The screen 507 can conveniently screen the uncrushed silt and impurities.

[0031] Further, the surface of the stabilizing rod 405 is in sliding connection with the inner wall of the stabilizing hole 404, as shown in Figure 5 .

[0032] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. A device for suction of sludge deposits from the bottom of a sedimentation tank for sewage treatment, comprising a sedimentation tank (1), a bridge (2), a water inlet (3), a sludge scraping mechanism (4), a suction mechanism (5), a water outlet (6) and a butterfly valve (7), characterized in that: The bottom surface of the bridge (2) is fixedly connected with the top of the sedimentation tank (1), the right end of the water inlet (3) is communicated with the left side of the top of the sedimentation tank (1), the bottom of the mud scraping mechanism (4) is fixedly connected with the top surface of the bridge (2), the left end of the suction mechanism (5) is fixedly connected with the right side of the sedimentation tank (1), and the bottom end of the butterfly valve (7) is fixedly installed on the top of the right end of the water outlet (6). The mud scraping mechanism (4) comprises a guide hole (401), a vertical pipe (402), a scraper (403), a stabilizing hole (404), a stabilizing rod (405), a gear ring (406), a stepping motor (407), a main drive gear (408), a carrier sleeve (409), a positioning spring (410), a transmission plate (411) and an electric push rod (412). The guide hole (401) is formed in the middle of the top surface of the bridge (2). The bottom end of the vertical pipe (402) is inserted into the inner cavity of the guide hole (401). The two scrapers (403) are respectively communicated with the outer walls on both sides of the bottom end of the vertical pipe (402). The stabilizing hole (404) is formed in the left side of the middle of the top surface of the bridge (2). The bottom end of the stabilizing rod (405) is inserted into the inner cavity of the stabilizing hole (404), and the top end of the stabilizing rod (405) is fixedly sleeved with the outer wall of the top end of the vertical pipe (402) through a bearing. The inner wall of the gear ring (406) is fixedly sleeved with the outer wall of the top end of the vertical pipe (402). The bottom of the stepping motor (407) is fixedly connected with the top surface of the right end of the bridge (2). The main drive gear (408) is fixedly sleeved with the output shaft outer wall of the top end of the stepping motor (407). The middle of the carrier sleeve (409) is fixedly sleeved with the outer wall of the top end of the vertical pipe (402) through a bearing. The bottom end of the positioning spring (410) is fixedly connected with the top surface of the inner cavity of the carrier sleeve (409). The bottom surface of the right end of the transmission plate (411) is fixedly connected with the top end of the positioning spring (410). The top end and the bottom end of the electric push rod (412) are respectively fixedly connected with the left side of the mutually close surface of the transmission plate (411) and the bridge (2).

2. A device for suction of sludge from the bottom of a sedimentation tank for sewage treatment according to claim 1, characterized in that: The suction mechanism (5) comprises suction holes (501), a mud pump (502), an excess pipe (503), a mud guide pipe (504), a crushing motor (505), blades (506), a screen (507) and a mud discharge pipe (508), the suction holes (501) are respectively arranged on the sides of the two scrapers (403) away from each other, the left end of the mud pump (502) is fixedly connected with the right side of the sedimentation tank (1), the bottom of the excess pipe (503) is in communication with the water outlet at the top end of the mud pump (502), the left end of the mud guide pipe (504) penetrates through the top surface of the transmission plate (411) and is fixedly sleeved with the inner wall of the top end of the vertical pipe (402) through a sealing bearing, and the right end of the mud guide pipe (504) is in communication with the top of the excess pipe (503), the left side of the crushing motor (505) is fixedly connected with the right side of the excess pipe (503), the ends of the blades (506) away from each other are fixedly connected with the outer walls of the output shafts at the left end of the crushing motor (505), the two ends of the screen (507) are fixedly connected with the bottoms of the inner walls of the two sides of the excess pipe (503), and the left end of the mud discharge pipe (508) is in communication with the water outlet at the front end of the mud pump (502).

3. A device for suction of sludge from the bottom of a sedimentation tank for sewage treatment according to claim 1, characterized in that: The left end of the main driving gear (408) is engaged with the right end of the gear ring (406).

4. The device for suction of sludge from the bottom of a sedimentation tank for wastewater treatment according to claim 1, characterized in that: The two scrapers (403) are both "J" shaped, and small blades are uniformly arranged on the sides of the two scrapers (403) away from each other, and the bottoms of the two scrapers (403) are overlapped with the bottom of the inner cavity of the sedimentation tank (1).

5. A device for suction of sludge from the bottom of a sedimentation tank for sewage treatment according to claim 2, characterized in that: The screen (507) is made of stainless steel.

6. A device for suction of sludge from the bottom of a sedimentation tank for sewage treatment according to claim 1, characterized in that: The surface of the position stabilizing rod (405) is in sliding connection with the inner wall of the position stabilizing hole (404).

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