Nonmetal chain plate type mud and slag scraping system for secondary sedimentation tank

Abstract

The utility model discloses a nonmetal chain plate type mud and slag scraping system for a secondary sedimentation tank, which relates to the technical field of sewage treatment and comprises a secondary sedimentation tank body, a brake shaft is connected inside the secondary sedimentation tank body through a bearing, chain wheels are fixedly connected to the outer walls of two ends of the brake shaft, and a plurality of driven shafts are oppositely arranged on the inner walls of two ends of the secondary sedimentation tank body. One end of each driven shaft is connected with a chain wheel through a bearing, and the outer walls of the chain wheels located on the same side are provided with the same chain. The nonmetal chain plate type mud and slag scraping system for the secondary sedimentation tank disclosed by the utility model has the advantages that the self-cleaning mud and slag scraping assembly is used for realizing self-cleaning in a passive mode by combining a ratchet brake plate and a ratchet wheel in the self-cleaning mud and slag scraping assembly moving process; therefore, the sawtooth-shaped groove scraping plate moving to the upper area of the pond water is always in a clean state, the phenomenon that the pond water becomes turbid again due to the fact that the adhered sludge is brought to the upper area of the pond water again is avoided, and the decontamination efficiency is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to sewage treatment technical field especially relates to a kind of non-metal chain plate type mud and slag scraping system of secondary sedimentation tank. BACKGROUND

[0002] Non-metal chain plate type mud and slag scraping system of secondary sedimentation tank is a kind of equipment installed in sewage treatment secondary sedimentation tank, it is continuously operated by the corrosion-resistant non-metal chain plate and scraper sheet, and the sludge settled in the pool bottom is scraped to the mud bucket, while the water surface dregs is scraped to the slag groove, so as to realize solid-liquid separation and effective removal of pollutants, and it is mainly applied to municipal sewage treatment and various industrial wastewater treatment fields.

[0003] The existing non-metal chain plate type mud and slag scraping system of secondary sedimentation tank only uses single-function sawtooth groove scraper to scrape the sludge deposited to the pool bottom, and the sludge is easily adhered to the sawtooth groove scraper after long-time work. Since the multiple sawtooth groove scrapers are in circulating movement, they will move to the water surface and perform slag scraping work under the drive of the chain after scraping the pool bottom, and the adhered sludge will be brought back to the pool water, so as to make the pool water turbid again and greatly reduce the decontamination efficiency. UTILITARIAN CONTENT

[0004] The utility model discloses a kind of non-metal chain plate type mud and slag scraping system of secondary sedimentation tank, to solve the technical problem that the sawtooth groove scraper of secondary sedimentation tank is easy to adhere sludge, sludge is brought back to water surface in circulating work, cause secondary pollution, reduce decontamination efficiency.

[0005] In order to achieve the above object, the utility model adopts the following technical scheme: a kind of non-metal chain plate type mud and slag scraping system of secondary sedimentation tank, including secondary sedimentation tank body, the inside of the secondary sedimentation tank body is connected with brake shaft through bearing, the outer wall of the both ends of brake shaft is fixedly connected with sprocket, the inner wall of the both ends of secondary sedimentation tank body is oppositely provided with a plurality of driven shafts, the one end of a plurality of driven shafts is respectively connected with sprocket through bearing, the outer wall of multiple sprockets located at the same side is provided with same chain, a plurality of self-cleaning mud and slag scraping components are equidistantly arranged on the two chains, the self-cleaning mud and slag scraping component includes connecting plate, the side of two connecting plates is respectively equidistantly fixedly connected with two fixed plates, the inside of two fixed plates located on same connecting plate is connected with connecting shaft through bearing, the outer wall of one end of two connecting shafts is fixed with vibration paddle, the outer wall between two connecting shafts located in corresponding two fixed plates is respectively fixedly connected with ratchet wheel.

[0006] In a preferred scheme, the opposite side of two connecting plates is fixedly connected with same U-shaped sliding groove plate, the side of U-shaped sliding groove plate is equidistantly fixedly connected with two fixed blocks, the one end of two fixed blocks is arranged on chain, the inner wall of the both sides of secondary sedimentation tank body is respectively fixedly connected with ratchet detent plate, two ratchet detent plates are engaged with corresponding ratchet wheel.

[0007] In one preferred embodiment, the inside of the U-shaped chute plate is slidably connected with a sawtooth groove scraper, the material of the sawtooth groove scraper is polyurethane, the two ends of the sawtooth groove scraper located outside the U-shaped chute plate are in contact with corresponding vibrating paddles, the inside of the U-shaped chute plate is fixedly connected with a plurality of fixed rods at equal intervals, and the sawtooth groove scraper slides on the outer walls of the plurality of fixed rods.

[0008] In one preferred embodiment, the two sides of the sawtooth groove scraper are fixedly connected with one ends of a plurality of vibrating springs at equal intervals, the other ends of the plurality of vibrating springs are fixedly connected with the inner walls of the upper and lower ends of the U-shaped chute plate, and the plurality of vibrating springs are respectively sleeved on the outer walls of corresponding fixed rods.

[0009] In one preferred embodiment, the water inlet is arranged at the water inlet end of the secondary sedimentation tank body, the water inlet cast iron copper-inlaid gate is arranged at the inside of the secondary sedimentation tank body near the water inlet end, the perforated flower wall is arranged in the inside of the secondary sedimentation tank body and located on the side away from the water inlet cast iron copper-inlaid gate, the plurality of blowdown pipes are arranged at equal intervals at the end of the secondary sedimentation tank body near the water inlet, two blow-in ends of the plurality of blowdown pipes are arranged, one of the two blow-in ends is located below the two ratchet plates, and the other blow-in end is located above the sludge collecting tank arranged in the secondary sedimentation tank body, the driving motor is arranged on the upper side of the secondary sedimentation tank body, the same transmission belt is arranged between the driving end of the driving motor and the outer wall of the brake shaft, the integrated intelligent monitoring system control cabinet is arranged on the upper side of the secondary sedimentation tank body and located on the side of the driving motor, the electric skimming pipe is arranged in the inside of the water outlet end of the secondary sedimentation tank body, the water collecting tank is arranged in the inside of the water outlet end of the secondary sedimentation tank body, the water outlet is arranged at the water outlet end of the secondary sedimentation tank body, and the water collecting tank is in communication with the water outlet.

[0010] As can be seen from the above, the secondary sedimentation tank nonmetal chain plate type sludge and scum scraping system has the technical effect that the sawtooth groove scraper moving to the upper part of the pool water is always in a clean state in a passive way by combining the ratchet plate and the ratchet wheel during the self-cleaning scraping process of the self-cleaning sludge and scum scraping assembly, so that the adhered sludge is prevented from being brought back to the upper part of the pool water to make the pool water turbid again, and the sludge removal efficiency is greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 The whole structure schematic view of the secondary sedimentation tank nonmetal chain plate type sludge and scum scraping system is provided.

[0012] Figure 2 The side view sectional structure schematic view of the secondary sedimentation tank nonmetal chain plate type sludge and scum scraping system is provided.

[0013] Figure 3The utility model provides a kind of self-cleaning mud scraping and slagging assembly overall structure schematic diagram of two sedimentation tank nonmetallic chain plate type mud scraping and slagging system.

[0014] Figure 4 The utility model provides a kind of inside partial structure schematic diagram of self-cleaning mud scraping and slagging assembly of two sedimentation tank nonmetallic chain plate type mud scraping and slagging system.

[0015] In the drawing: 1, integrated intelligent monitoring system control cabinet;2, drive motor;3, perforated flower wall;4, water inlet cast iron copper-inlaid gate;5, water inlet;6, blow-off pipe;7, brake shaft;8, self-cleaning mud scraping and slagging assembly;801, ratchet brake plate;802, connecting plate;803, fixed block;804, U-shaped sliding groove plate;805, vibration spring;806, sawtooth type recessed scraping plate;807, fixed rod;808, fixed plate;809, connecting shaft;810, ratchet wheel;811, vibration paddle;9, chain;10, two sedimentation tank body;11, water collecting tank;12, electric skimming pipe;13, driven shaft;14, transmission belt;15, chain wheel;16, water outlet. DETAILED DESCRIPTION

[0016] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0017] The two sedimentation tank nonmetallic chain plate type mud scraping and slagging system disclosed by the utility model is mainly applied to the scene that sawtooth recessed scraping plate of two sedimentation tank is easy to adhere sludge, sludge is brought back to water surface in circulation work, secondary pollution is caused, and decontamination efficiency is reduced.

[0018] Reference Figures 1-4 A two sedimentation tank nonmetallic chain plate type mud scraping and slagging system, including two sedimentation tank body 10, the inside of two sedimentation tank body 10 is connected with brake shaft 7 through bearing, the both ends outer wall of brake shaft 7 is fixedly connected with chain wheel 15, the both ends inner wall of two sedimentation tank body 10 is oppositely provided with a plurality of driven shafts 13, and the one end of a plurality of driven shafts 13 is respectively connected with chain wheel 15 through bearing, and the outer wall of a plurality of chain wheels 15 located at the same side is provided with same chain 9, and a plurality of self-cleaning mud scraping and slagging assemblies 8 are arranged on two chains 9 at equal intervals, and self-cleaning mud scraping and slagging assembly 8 includes connecting plate 802, and the side of two connecting plates 802 is respectively fixedly connected with two fixed plates 808 at equal intervals, and the inside of two fixed plates 808 on the same connecting plate 802 is connected with connecting shaft 809 through bearing, and the outer wall of one end of two connecting shafts 809 is fixed with vibration paddle 811, and the outer wall between two connecting shafts 809 located at corresponding two fixed plates 808 is respectively fixedly connected with ratchet wheel 810.

[0019] In a preferred scheme, the same U-shaped sliding groove plate 804 is fixedly connected to the opposite sides of the two connecting plates 802, one side of the U-shaped sliding groove plate 804 is fixedly connected with two fixed blocks 803 at equal intervals, one end of the two fixed blocks 803 is arranged on the chain 9, and the inner walls of the two sides of the two sink bodies 10 are fixedly connected with two ratchet plates 801 respectively, and the two ratchet plates 801 are engaged with the corresponding ratchets 810.

[0020] In this scheme, the sawtooth groove scraper 806 is slidingly connected inside the U-shaped sliding groove plate 804, the material of the sawtooth groove scraper 806 is polyurethane, the two ends of the sawtooth groove scraper 806 located outside the U-shaped sliding groove plate 804 are in contact with the corresponding vibration paddles 811 respectively, a plurality of fixed rods 807 are fixedly connected inside the U-shaped sliding groove plate 804 at equal intervals, and the sawtooth groove scraper 806 slides on the outer walls of the plurality of fixed rods 807.

[0021] In this scheme, one end of the plurality of vibration springs 805 is fixedly connected to the two sides of the sawtooth groove scraper 806 at equal intervals, the other end of the plurality of vibration springs 805 is fixedly connected with the inner walls of the upper and lower ends of the U-shaped sliding groove plate 804 respectively, and the plurality of vibration springs 805 are respectively sleeved on the outer walls of the corresponding fixed rods 807.

[0022] In the process of scraping mud and slag, with the upward movement of the self-cleaning mud and slag scraping assembly 8, the two ratchets 810 rotate under the action of the corresponding ratchet plates 801, and drive the corresponding vibration paddles 811 to intermittently cycle the two ends of the sawtooth groove scraper 806, so that the sawtooth groove scraper 806 realizes up-down vibration combined with the action of the plurality of vibration springs 805, so that the mud attached thereto falls off, and the falling mud is sucked out under the action of the pulling water flow formed by the upward pollution inlet of one of the pollution discharge pipes 6, avoiding the secondary pollution caused by the scattered pool water around the falling mud, in this process, the self-cleaning mud and slag scraping assembly 8 realizes passive self-cleaning combined with the ratchet plates 801 and the ratchets 810 during its own movement, so as to ensure that the sawtooth groove scraper 806 moving to the upper part of the pool water is always in a clean state, avoiding the reattachment of the mud to the upper part of the pool water and making the pool water turbid again, greatly improving the decontamination efficiency.

[0023] Referring to Figures 1-3In a preferred embodiment, the water inlet end of the secondary sedimentation tank body 10 is provided with a water inlet 5, the inner side of the end of the secondary sedimentation tank body 10 close to the water inlet 5 is provided with a cast iron copper-inlaid gate 4, the inner side of the secondary sedimentation tank body 10 is provided with a perforated flower wall 3, the perforated flower wall 3 is located on the side away from the water inlet 5 of the cast iron copper-inlaid gate 4, a plurality of blowdown pipes 6 are arranged at equal intervals on the end of the secondary sedimentation tank body 10 close to the water inlet 5, the plurality of blowdown pipes 6 are provided with two blow-in ends, one of which is located below the two ratchet detent plates 801, and the other is located above the sludge collecting pit provided in the secondary sedimentation tank body 10, the upper side of the secondary sedimentation tank body 10 is provided with a driving motor 2, the driving end of the driving motor 2 and the outer wall of the brake shaft 7 are provided with the same transmission belt 14, the upper side of the secondary sedimentation tank body 10 is provided with an integrated intelligent monitoring system control cabinet 1, the integrated intelligent monitoring system control cabinet 1 is located on one side of the driving motor 2, the inner side of the water outlet end of the secondary sedimentation tank body 10 is provided with an electric skimming pipe 12, the inner side of the water outlet end of the secondary sedimentation tank body 10 is provided with a water collecting tank 11, the water outlet end of the secondary sedimentation tank body 10 is provided with a water outlet 16, and the water collecting tank 11 and the water outlet 16 are in communication.

[0024] Working principle: in use, sewage through the two sedimentation tank body 10 one end of the water inlet 5 into its inside, wherein the water inlet cast iron inlay copper gate 4 in system operation is always open, closed during maintenance, and through the perforated flower wall 3 effect will some large impurities filtering, improve the efficiency of sewage, then through the drive motor 2 through the transmission belt 14 effect makes a plurality of sprocket 15 drive two chains 9 to move, in the process of moving to the pool water part position of a plurality of self cleaning scraper sludge scraping assembly 8 on the water surface of the floating dregs to the electric skimming pipe 12 scraping, while the floating dregs near the electric skimming pipe 12 is adsorbed under its suction and discharge, while moving to the pool water under the part position of a plurality of self cleaning scraper sludge scraping assembly 8 will be deposited to the bottom of the two sedimentation tank body 10 sludge into the sludge pit inside, and the sludge in the sludge pit inside through the sewage pipe 6 one pipe end downward into the pollution end discharge, when the self cleaning scraper sludge scraping assembly 8 from the pool water under the part moves to the upper part process, two ratchet 810 and corresponding ratchet tooth brake plate 801 contact, with the upward movement of the self cleaning scraper sludge scraping assembly 8, two ratchet 810 under the action of corresponding ratchet tooth brake plate 801 rotates, and through the corresponding connecting shaft 809 drive corresponding vibration paddle 811 intermittent cycle to move the both ends of the sawtooth type groove scraper 806, so as to combine a plurality of vibration springs 805 effect makes the sawtooth type groove scraper 806 realize up and down vibration, so that the sludge attached to it falls off, and the falling sludge is sucked out under the action of the water flow formed by the sewage pipe 6 one pipe end upward into the pollution end, avoid falling sludge scattered in the pool water four around the secondary pollution, in the process, through the self cleaning scraper sludge scraping assembly 8 rely on the movement process in combination with ratchet tooth brake plate 801 and ratchet 810 realize passive way of self cleaning, so as to ensure that the sawtooth type groove scraper 806 moves to the pool water upper part area is always in clean state, avoid the sludge adhered to the pool water again to the upper part area and make the pool water again turbid, greatly improve the efficiency of sewage removal, and the clean water through the water collecting tank 11 finally through the water outlet 16 discharge.

[0025] The above described, only for the preferred specific embodiments of the present application, but the protection scope of the present application is not limited to this. The alternative can be a partial structure, device, method step replacement, but also can be a complete technical solution. According to the technical scheme of the present application and the utility model concept to replace or change, should be covered in the protection scope of the present application.

Claims

1. A non-metallic chain plate type mud and scum scraping system for a secondary sedimentation tank, comprising a secondary sedimentation tank body (10), characterized in that, The inside of the secondary sedimentation tank body (10) is connected with a brake shaft (7) through a bearing, the outer wall of both ends of the brake shaft (7) is fixedly connected with a chain wheel (15), a plurality of driven shafts (13) are oppositely arranged on the inner wall of both ends of the secondary sedimentation tank body (10), one end of each of the plurality of driven shafts (13) is connected with a chain wheel (15) through a bearing, the outer wall of the plurality of chain wheels (15) located on the same side is provided with the same chain (9), a plurality of self-cleaning mud scraping and slag scraping assemblies (8) are equidistantly arranged on the two chains (9), the self-cleaning mud scraping and slag scraping assembly (8) comprises a connecting plate (802), two sides of the connecting plate (802) are equidistantly and fixedly connected with two fixed plates (808) respectively, the inside of the two fixed plates (808) located on the same connecting plate (802) is connected with a connecting shaft (809) through a bearing, the outer wall of one end of the connecting shaft (809) is fixedly connected with a vibrating push piece (811), the outer wall of the connecting shaft (809) located between the two fixed plates (808) is fixedly connected with a ratchet wheel (810).

2. The non-metallic chain plate type sludge and scum scraping system of a secondary sedimentation tank according to claim 1, characterized in that, The opposite side of the two connecting plates (802) is fixedly connected with the same U-shaped sliding groove plate (804), the U-shaped sliding groove plate (804) is equidistantly and fixedly connected with two fixed blocks (803) on one side, one end of the two fixed blocks (803) is arranged on the chain (9), the inner wall of both sides of the secondary sedimentation tank body (10) is fixedly connected with a ratchet tooth brake plate (801), the two ratchet tooth brake plates (801) are engaged with the corresponding ratchet wheels (810).

3. The non-metallic chain plate type sludge and scum scraping system of a secondary sedimentation tank according to claim 2, characterized in that, The inside of the U-shaped sliding groove plate (804) is slidably connected with a sawtooth groove scraper (806), both ends of the sawtooth groove scraper (806) located outside the U-shaped sliding groove plate (804) are in contact with the corresponding vibrating push pieces (811), a plurality of fixed rods (807) are equidistantly and fixedly connected in the inside of the U-shaped sliding groove plate (804), and the sawtooth groove scraper (806) slides on the outer wall of the plurality of fixed rods (807).

4. The non-metallic chain plate type sludge and scum scraping system of a secondary sedimentation tank according to claim 3, characterized in that, The two sides of the sawtooth groove scraper (806) are equidistantly and fixedly connected with one end of a plurality of vibrating springs (805), the other end of the plurality of vibrating springs (805) is fixedly connected with the upper and lower inner walls of the U-shaped sliding groove plate (804) respectively, and the plurality of vibrating springs (805) are respectively sleeved on the outer wall of the corresponding fixed rods (807).

5. The non-metallic chain plate type sludge and scum scraping system of the secondary sedimentation tank according to claim 2, characterized in that, The water inlet end of the secondary sedimentation tank body (10) is provided with a water inlet (5), the inside of one end of the secondary sedimentation tank body (10) close to the water inlet (5) is provided with a water inlet cast iron copper-inlaid gate (4), the inside of the secondary sedimentation tank body (10) is provided with a perforated flower wall (3), the perforated flower wall (3) is located on the side of the water inlet cast iron copper-inlaid gate (4) away from the water inlet (5), a plurality of blowdown pipes (6) are equidistantly arranged on one end of the secondary sedimentation tank body (10) close to the water inlet (5), and the plurality of blowdown pipes (6) are provided with two sewage inlet ends, one of which is located below the two ratchet tooth brake plates (801), and the other is located above the sludge collecting pit formed in the secondary sedimentation tank body (10).

6. The non-metallic chain plate type sludge and scum scraping system of a secondary sedimentation tank according to claim 5, characterized in that, The upper side of the secondary sedimentation tank body (10) is provided with a driving motor (2), the driving end of the driving motor (2) and the outer wall of the brake shaft (7) are provided with a same transmission belt (14), the upper side of the secondary sedimentation tank body (10) is provided with an integrated intelligent monitoring system control cabinet (1), and the integrated intelligent monitoring system control cabinet (1) is located at one side of the driving motor (2).

7. The non-metallic chain plate type sludge and scum scraping system of a secondary sedimentation tank according to claim 6, characterized in that, The water outlet end of the secondary sedimentation tank body (10) is internally provided with an electric skimming pipe (12), the water outlet end of the secondary sedimentation tank body (10) is internally provided with a water collecting tank (11), the water outlet end of the secondary sedimentation tank body (10) is provided with a water outlet (16), and the water collecting tank (11) is in communication with the water outlet (16).

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