Efficient sedimentation tank mud scraping device

Abstract

The utility model discloses a high-efficiency sedimentation tank mud scraping device which comprises a sedimentation tank body, a plurality of inclined plate boxes arranged on the inner side of the sedimentation tank body, a support arranged on the inner sides of the inclined plate boxes, a rotatable driving shaft arranged on the inner side of the support in a penetrating manner, a rotating mechanism arranged at the upper end of the support, and a mud scraper main shaft connected with the lower end of the driving shaft, the outer side of the mud scraper main shaft is connected with a plurality of pull rods, the other end of each pull rod is connected with an upper scraping arm, the lower end of the mud scraper main shaft is connected with a frame type hub, a reverse water cap is connected between the frame type hub and the mud scraper main shaft, the outer side of the frame type hub is connected with a plurality of lower scraping arms, and the upper end of each lower scraping arm is connected with a plurality of grid bars. The lower end of each lower scraping arm is connected with a scraping plate, the lower end of the frame type hub is connected with a scraper, and a plurality of aeration pipes are further arranged on the inner side of the sedimentation tank body. The sedimentation tank has the advantages of being reasonable in structure, convenient to install and maintain, capable of achieving a self-cleaning function, capable of preventing blockage and high in sludge scraping and discharging efficiency.

Description

TECHNICAL FIELD

[0001] The utility model relates to sedimentation tank technical field, especially in an efficient sedimentation tank mud scraping device. BACKGROUND

[0002] Sedimentation tank is a kind of construction that removes suspended solids in water by sedimentation, and it is a water purification equipment, which removes suspended solids in water by the action of natural sedimentation or coagulation sedimentation.Sedimentation tank is divided into horizontal sedimentation tank and vertical sedimentation tank according to water flow direction.Sludge scraper is a machine that removes sludge from the tank, which is used in large-diameter circular sedimentation tank in municipal wastewater treatment plant, waterworks and industrial wastewater treatment to remove sludge settled at the bottom of the tank and scum on the surface of the tank.

[0003] After mud-water separation is realized in the sedimentation tank, the accumulated sludge at the bottom of the tank needs to be discharged outside the tank to keep the inclined tube sedimentation tank continuously and stably running.However, the perforated sludge discharge pipe is prone to blockage, causing the accumulated sludge at the bottom of the tank to rapidly increase in a short time, affecting water quality, and the sludge discharged by the perforated sludge discharge pipe has low solid content, causing great difficulty and high cost in subsequent sludge-water treatment. SUMMARY

[0004] The utility model aims at providing an efficient sedimentation tank mud scraping device, which has the advantages of convenient installation and maintenance, self-cleaning effect, prevention of blockage and high sludge scraping and discharging efficiency.

[0005] The above technical purpose of the utility model is realized by the following technical scheme:

[0006] An efficient sedimentation tank mud scraping device, comprising a sedimentation tank body, a plurality of inclined plate boxes are installed on the inner side of the sedimentation tank body, a plurality of supports are installed on the inner side of the inclined plate boxes, a rotatable drive shaft is arranged in the supports, a rotating mechanism is arranged at the upper end of the support, the rotating mechanism is connected with the drive shaft, a sludge scraper main shaft is connected with the lower end of the drive shaft, a plurality of pull rods are connected with the outer side of the sludge scraper main shaft, the other ends of the plurality of pull rods are respectively connected with upper scraping arms, a frame hub is connected with the lower end of the sludge scraper main shaft, a backwater cap is connected between the frame hub and the sludge scraper main shaft, a plurality of lower scraping arms are connected with the outer side of the frame hub, a plurality of supporting rods are connected between the upper scraping arms and the lower scraping arms, a plurality of grid bars are respectively connected with the upper ends of the lower scraping arms, a plurality of scraping plates are respectively connected with the lower ends of the lower scraping arms, and a scraper is connected with the lower end of the frame hub.

[0007] Preferably, the rotating mechanism comprises a motor, a speed reducer and a gear box, and the motor, the speed reducer and the gear box are sequentially connected from top to bottom, and the drive shaft is connected with the gear box.

[0008] As preferred, the several inclined plate boxes comprise several inclined plate support beams, several ABS wave-shaped inclined plates are respectively installed between the several inclined plate support beams, and several nylon buckles are further fixed on the inclined plate support beams, and several inclined support rods a and several inclined support rods b are further clamped between the several nylon buckles.

[0009] As preferred, the inner side of the sedimentation tank body is further provided with several aeration pipes.

[0010] As preferred, the inner bottom of the sedimentation tank body is inclined, and the lower side of the scraper is attached to the inner bottom of the sedimentation tank body.

[0011] The beneficial effects of the utility model are as follows: the setting of the inclined plate box greatly improves the sliding performance of sedimentation, mud is not easy to accumulate, the inclined plate washing cycle is reduced, the service life is improved, impurities, peculiar smell and harmful substances in water can be effectively removed through the backwater cap, so as to improve the cleanliness of the water source, at the same time, the several grid bars can accelerate the separation of gas and water, and provide a sedimentation space for flocculent sludge, so that the sludge can quickly settle and the concentration effect is improved, the several upper scraping arms and lower scraping arms can simultaneously rotate to drive the scraper and the scraper knife to rotate simultaneously, and finally the effect of mud scraping and mud discharging on the sedimentation tank can be realized, the aeration and washing function of the aeration pipe is used to realize the cleaning effect on the inclined pipe, prevent a large amount of floating mud from accumulating on the pipeline, and thus ensure the normal operation of the device. BRIEF DESCRIPTION OF DRAWINGS

[0012] Fig. 1 It is a structural schematic view of an embodiment;

[0013] Fig. 2 It is an upper plan view of the inclined plate box in the embodiment;

[0014] Fig. 3 It is a side plan view of the inclined plate box in the embodiment.

[0015] The drawing comprises: 1, a sedimentation tank body; 2, an inclined plate box; 3, a support; 4, a driving shaft; 5, a rotating mechanism; 6, a mud scraper main shaft; 7, a pull rod; 8, an upper scraping arm; 9, a frame hub; 10, a backwater cap; 11, a lower scraping arm; 12, a support rod; 13, a grid bar; 14, a scraper; 15, a scraper knife; 16, a motor; 17, a speed reducer; 18, a gear box; 19, an inclined plate support beam; 20, an ABS wave-shaped inclined plate; 21, a nylon buckle; 22, a support rod a; 23, a support rod b; 24, an aeration pipe. DETAILED DESCRIPTION

[0016] The following described is only the preferred embodiment of the utility model, the protection scope is not only limited to this embodiment, the technical scheme of belonging to the utility model idea under the utility model should belong to the protection scope of the utility model. Same parts are indicated with same reference numerals in the drawings. It should be noted that the words "front", "back", "left", "right", "up" and "down" used in the following description refer to the directions in the drawings, and the words "bottom" and "top", "inner" and "outer" refer to the directions towards or away from the geometric center of a particular component.

[0017] As shown in Figs. 1 to 3 An efficient mud scraping device for a sedimentation tank includes a sedimentation tank body 1, a plurality of inclined plate boxes 2 are installed on the inner side of the sedimentation tank body 1, the plurality of inclined plate boxes 2 include a plurality of inclined plate support beams 19, a plurality of ABS wave-shaped inclined plates 20 are respectively installed between the plurality of inclined plate support beams 19, a plurality of nylon buckles 21 are further fixed on the inclined plate support beams 19, a plurality of inclined support rods 12a and a plurality of inclined support rods 12b are further clamped between the plurality of nylon buckles 21, the inclined plate box 2 adopts a shallow sedimentation principle, which greatly shortens the sedimentation distance of particles between inclined plates. Since the inclined plate is in wave form, the water flow flows in a wave shape between the wave-shaped plates. Due to the change in the distance between the waves, conditions are provided for the particles in the water to continue to flocculate and coagulate. The frame-type wave-shaped inclined plate sedimentation device is the best choice for a reverse-flow inclined plate sedimentation tank. The settled mud on the inclined plate surface is concentrated to form a mud bundle in the trough of the wave-shaped plate, greatly improving the sliding performance of the sedimentation, reducing the accumulation of mud, reducing the washing cycle of the inclined plate, and prolonging the service life.

[0018] A plurality of inclined plate boxes 2 are installed on the inner side of the support 3, a rotatable drive shaft 4 is provided on the inner side of the support 3, a rotating mechanism 5 is provided on the upper end of the support 3, and the rotating mechanism 5 is connected with the drive shaft 4. The lower end of the drive shaft 4 is connected with a mud scraper main shaft 6, and the drive shaft 4 can be rotated by the rotating mechanism 5. The rotating mechanism 5 includes a motor 16, a speed reducer 17 and a gear box 18, and the motor 16, the speed reducer 17 and the gear box 18 are connected in sequence from top to bottom. The drive shaft 4 is connected with the gear box 18. The motor 16 is rotated to drive the speed reducer 17 and the gear box 18 to operate, so as to realize the rotation of the drive shaft 4. The connection mode and the working transmission mode between the motor 16, the speed reducer 17 and the gear box 18 are all prior art, so they will not be described in detail.

[0019] The outer side of the mud scraper spindle 6 is connected with a plurality of pull rods 7, the other ends of the plurality of pull rods 7 are respectively connected with upper scraping arms 8, the lower end of the mud scraper spindle 6 is connected with a frame type wheel hub 9, the frame type wheel hub 9 and the plurality of pull rods 7 can be simultaneously rotated by the rotation of the driving shaft 4, the frame type wheel hub 9 is connected with a backwater cap 10 between the mud scraper spindle 6, the backwater cap 10 can effectively remove impurities, peculiar smell and harmful substances in water, so as to improve the cleanliness of the water source. The outer side of the frame type wheel hub 9 is connected with a plurality of lower scraping arms 11, the plurality of support rods 12 are connected between the upper scraping arms 8 and the lower scraping arms 11, the upper end of each lower scraping arm 11 is respectively connected with a plurality of grid bars 13, the plurality of grid bars 13 can accelerate the separation of air and water, and provide the sedimentation space of flocculent sludge at the same time, so that the sludge can be quickly settled, the concentration effect is improved, the plurality of upper scraping arms 8 and the lower scraping arms 11 can be simultaneously rotated by the rotation of the frame type wheel hub 9 and the pull rods 7. The lower end of each lower scraping arm 11 is respectively connected with a scraper 14, the inner bottom of the sedimentation tank body 1 is inclined, and the lower side of the scraper 14 is attached to the inner bottom of the sedimentation tank body 1, the scraper 14 has the function of vertically adjusting the distance of 30-100mm for installation adjustment. The lower end of the frame type wheel hub 9 is connected with a scraper 15, the scraper 14 and the scraper 15 can be simultaneously rotated by the simultaneous rotation of the plurality of upper scraping arms 8 and the lower scraping arms 11, and finally the effect of mud scraping and mud discharging on the sedimentation tank can be realized.

[0020] The inner side of the sedimentation tank body 1 is also provided with a plurality of aeration pipes 24, the aeration pipes 24 are connected with a gas source interface, so as to supply gas to the aeration pipes 24, wherein the gas source adopts a Roots blower, a large amount of floating sludge will be accumulated on the inclined pipe of the sedimentation tank after continuous operation for a period of time, if the sludge on the inclined pipe is not cleaned in time, the normal operation of the system will be affected, so that the cleaning effect of the inclined pipe is realized by the aeration and flushing function of the aeration pipe 24, so as to prevent a large amount of floating sludge from accumulating on the pipeline, so as to protect the normal operation of the device.

[0021] The above specific embodiments further illustrate the technical problems, technical solutions and beneficial effects solved by the utility model, and it should be understood that the above description is only for specific embodiments of the utility model, and is not used to limit the utility model, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A high efficiency sludge scraper for a sedimentation basin, characterized by, The utility model provides a sludge scraper of sedimentation tank, including the sedimentation tank body (1), the inner side of sedimentation tank body (1) is installed with several inclined plate boxes (2), the inner side of several inclined plate boxes (2) is installed with support (3), the inner side of support (3) is equipped with rotatable drive shaft (4), the upper end of support (3) is provided with rotating mechanism (5), and rotating mechanism (5) is connected with drive shaft (4), the lower end of drive shaft (4) is connected with mud scraper main shaft (6), the outer side of mud scraper main shaft (6) is connected with several pull rods (7), and the other end of several pull rods (7) is connected with upper scraping arm (8) respectively, the lower end of mud scraper main shaft (6) is connected with frame type wheel hub (9), and frame type wheel hub (9) is connected with mud scraper main shaft (6) between anti-water cap (10), the outer side of frame type wheel hub (9) is connected with several lower scraping arms (11), and the upper end of each lower scraping arm (11) is connected with several grid bars (13) respectively, and the lower end of each lower scraping arm (11) is connected with scraper (14) respectively, and the lower end of frame type wheel hub (9) is connected with scraper (15).

2. The high efficiency sludge scraper for lagoons as claimed in claim 1 wherein, The rotating mechanism (5) includes motor (16), speed reducer (17) and gear box (18), and the motor (16), speed reducer (17) and gear box (18) are sequentially connected from top to bottom, and the drive shaft (4) is connected with the gear box (18).

3. A high efficiency sludge scraper for a sedimentation basin according to claim 2, wherein Several inclined plate boxes (2) include several inclined plate support beams (19), several inclined plate support beams (19) are respectively provided with several ABS wave-shaped inclined plates (20) between, several nylon buckles (21) are further fixed on the inclined plate support beam (19), and several inclined support rods a (22) and several inclined support rods b (23) are further clamped between several nylon buckles (21).

4. A high efficiency sludge scraper for a sedimentation basin according to claim 3, wherein The inner side of the sedimentation tank body (1) is further provided with several aeration pipes (24).

5. A high efficiency sludge scraper for a sedimentation basin according to claim 4, wherein The inner bottom of the sedimentation tank body (1) is inclined, and the lower side of the scraper (14) is attached to the inner bottom of the sedimentation tank body (1).

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