CN218740390U

CN218740390U - Central transmission sludge thickener

Info

Publication number: CN218740390U
Application number: CN202223165010.XU
Authority: CN
Inventors: 史永良; 史鹏程
Original assignee: Yixing Yongda Environmental Protection Equipment Co ltd
Current assignee: Yixing Yongda Environmental Protection Equipment Co ltd
Priority date: 2022-11-28
Filing date: 2022-11-28
Publication date: 2023-03-28
Anticipated expiration: 2032-11-28

Abstract

The utility model discloses a central transmission sludge thickener, wherein a working bridge adopts a full bridge structure; the working bridge is manufactured by welding high-quality section steel into a truss girder structure; the wind load of the mud scraper is effectively reduced, and the mud scraper has enough strength and rigidity; the whole center-drive sludge thickener is a center drive and mainly comprises a cycloidal pin gear speed reducer motor, a torque meter, a turbine speed reducer and a drive vertical shaft, so that the drive device has enough strength and torque to meet the traction force required by the sludge scraper. The driving device can adapt to the 24-hour operation state every day, the reduction box is a parallel shaft-mounted bevel gear reduction box, the transmission mechanism is directly connected with the travelling wheels of the mud scraper, so that the structure is compact, the transmission efficiency is high, and the noise is low; the mud scraper is provided with a torque limiting device capable of being preset so as to prevent damage under the overload condition, and the mud collecting pit scraper plate ensures that mud scraping is uniform in distribution along the diameter direction, does not generate mud accumulation, and reduces the treatment load.

Description

Central transmission sludge thickener

Technical Field

The utility model belongs to the technical field of sewage treatment, concretely relates to central transmission sludge thickening machine.

Background

Through the speed reduction drive and the transmission of the suspension type assembly, sludge is scraped and collected to the central sludge collection groove by the scraper and is discharged out of the pool by hydrostatic pressure or a pump. The middle water inlet and the mud discharge are adopted, and the periphery is used for discharging water, so that the water flow is ensured to be uniform. The self-suction type sludge discharge is realized by utilizing liquid level difference, and the self-suction type sludge discharge device is provided with a scum scraping and collecting and discharging device and an overload protection device. The raw water of the central transmission mud scraper flows to the overflow tank at the periphery of the pool in a radiation way after being distributed by the central water distribution cylinder, suspended matters in the water body are separated and settled at the bottom of the pool along with the reduction of the flow velocity, and supernatant is discharged out of the pool from the water outlet tank through the overflow weir plate. The central driving mud scraper is suitable for scraping, collecting and discharging the mud in radial flow (circular) sedimentation tank with diameter not more than 18m in water plant or sewage treatment plant in water supply and drainage engineering.

At present, in the using process of a central transmission sludge thickener for sewage treatment, a working bridge is a simple wooden railing plate, the wind load of a sludge scraper cannot be effectively reduced, the strength and the rigidity are insufficient, a driving mechanism is driven by a speed reducer, the strength and the torque are insufficient, the traction force used by the sludge scraper cannot be met, the running state of the sludge thickener needs to be intermittent, the sludge scraper cannot run continuously, and sludge scraping is easy to generate sludge accumulation.

Therefore, a central transmission sludge thickener which ensures that sludge scraping is uniformly distributed along the diameter direction, does not generate sludge accumulation, lightens the treatment load, has a light structure, and is stable and reliable is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a central transmission sludge thickening machine to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme:

a central transmission sludge thickener comprises a flocculation sedimentation tank, wherein a working bridge is arranged on the flocculation sedimentation tank, a transmission vertical shaft penetrating through a guide cylinder is rotatably connected onto the working bridge, a cycloidal pin gear speed reducer motor is fixedly arranged on the working bridge, the cycloidal pin gear speed reducer motor is in transmission connection with the input end of a turbine speed reducer through a torque meter, and the output end of the turbine speed reducer is in transmission connection with the input end of the transmission vertical shaft;

the lower extreme of transmission vertical scroll is connected with the flocculation and sedimentation tank transmission through axle bearing under water, the bottom and the collection mud pit scraper blade fixed connection of transmission vertical scroll, the last fixed mud arm of scraping that transversely sets up that is equipped with of transmission vertical scroll, and the transmission vertical scroll through two sets of pull rods that its bilateral symmetry fixed set up and two sets of balance arms that the front and back symmetry fixed set up with scrape mud arm fixed connection, still be equipped with the spiral mud scraper on the scraper blade support of scraping mud arm.

The working bridge adopts a truss girder structure design, an upper bridge crawling ladder and a handrail are arranged on the working bridge, and an electric cabinet is further arranged on the working bridge.

And a walkway plate is paved on the working bridge.

The utility model discloses a technological effect and advantage: the center drive sludge thickener has a working bridge of a sludge scraper in a full bridge structure; the working bridge is manufactured by welding high-quality section steel into a truss girder structure; Q235A pattern steel plates are laid on the walkway of the working bridge to form a walkway plate, so that the wind load of the mud scraper is effectively reduced, the dead weight, mud scraping load, driving load, man load and other loads of the working bridge are fully considered in design, and the working bridge has sufficient strength and rigidity;

the whole center-drive sludge thickener is a center drive and mainly comprises a cycloidal pin gear speed reducer motor, a torque meter, a turbine speed reducer and a drive vertical shaft, so that the drive device has enough strength and torque to meet the traction force required by the sludge scraper. The driving device can adapt to the running state of 24 hours every day, and the reduction gearbox is a parallel shaft-mounted bevel gear reduction gearbox and is directly connected with the travelling wheel of the mud scraper, so that the structure is compact, the transmission efficiency is high, and the noise is low; the mud scraper is provided with a torque limiting device which can be preset so as to prevent equipment from being damaged under the condition of overload;

the mud scraper of collection mud hole scraper blade is the rectangle, and its effect is outside slowly collecting the discharge pond in the mud suction pipe mouth with bottom of the pool mud, guarantees to scrape mud and evenly distributes along the diameter direction, does not take place mud and piles up, alleviates the processing load, and balance arm, pull rod and mud scraper have constituted the mud scraper support, and its effect is for connecting the mud scraper firstly, secondly guarantees the rigidity requirement of mud scraper during operation, and the structure is light and handy, reliable and stable.

Drawings

FIG. 1 is a schematic view of the present invention;

fig. 2 is a partial plan view of the present invention.

In the figure: 1. a flocculation sedimentation tank; 3. a working bridge; 4. a transmission vertical shaft; 5. a draft tube; 6. a turbine speed reducer; 7. a torque meter; 8. a cycloidal-pin gear speed reducer motor; 10. an electric cabinet; 13. a grid bar; 14. a mud scraping arm; 16. a pull rod; 17. an underwater shaft bearing; 18. a mud collection pit scraper; 19. a walkway plate; 20. a spiral mud scraper; 21. a squeegee blade support; 22. a balance arm.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a central transmission sludge thickener as shown in figure 1-2, which comprises a flocculation sedimentation tank 1, wherein a working bridge 3 is arranged on the flocculation sedimentation tank 1, the working bridge 3 adopts a truss girder structure design, an upper bridge crawling ladder and a handrail are arranged on the working bridge 3, an electric cabinet 10 is also arranged on the working bridge 3, and a walkway plate 19 is paved on the working bridge 3;

the working bridge 3 of the mud scraper adopts a full-bridge structural form; the working bridge 3 is manufactured by welding high-quality section steel into a truss girder structure; paving Q235A pattern steel plates on the walkway of the working bridge to form a walkway plate 19; the width of the working bridge is 1000mm, the height of the working bridge is 1100mm, and an upper bridge ladder stand and a handrail are arranged.

The working bridge adopts a truss girder structure design, the wind load of the mud scraper is effectively reduced, the dead weight, the mud scraping load, the driving load, the man load and other loads of the working bridge are fully considered in the design, and the bearing load of the working bridge is larger than 250kg/m ² The flexibility is less than 1/750mm, and the material has enough strength and rigidity.

The working bridge 3 is also provided with an electric cabinet 10 which is a field control cabinet equipped with the mud scraper, and the control cabinet is a stainless steel cabinet body with a double-layer visible door. The power supply 380V/220V is positioned at the center of the working bridge 3, and the power line is led to the control cabinet by the working bridge. The protection grade of the shell of the control cabinet is IP55, a panel of the field control cabinet is provided with a manual/automatic/remote control and zero position selection switch to realize the local and remote work control of the mud scraper, and the control panel is also provided with a start button, a stop button and an emergency stop button, so that when the driving device is overloaded or has other faults, the mud scraper stops running and sends out an alarm signal. The electric main element of the control cabinet adopts a Zhengtai product field control cabinet, can receive the running and stopping signals of the master control room, and can provide the following signals for the master control room.

The working bridge 3 is rotatably connected with a transmission vertical shaft 4 penetrating through the guide cylinder 5, the working bridge 3 is fixedly provided with a cycloidal pin gear speed reducer motor 8, the cycloidal pin gear speed reducer motor is in transmission connection with the input end of a turbine speed reducer 6 through a torquemeter 7, and the output end of the turbine speed reducer 6 is in transmission connection with the input end of the transmission vertical shaft 4;

the whole center-drive sludge thickener is a center drive and mainly comprises a cycloidal pin gear speed reducer motor 8, a torque meter 7, a turbine speed reducer 6 and a drive vertical shaft 4, so that the drive device has enough strength and torque to meet the traction force required by the sludge scraper. The driving device can adapt to the running state of 24 hours every day, and the reduction gearbox is a parallel shaft-mounted bevel gear reduction gearbox and is directly connected with the travelling wheel of the mud scraper, so that the structure is compact, the transmission efficiency is high, and the noise is low; the mud scraper is provided with a torque limiting device which can be preset so as to prevent equipment from being damaged under the overload condition, and when the motor is overloaded, the limiting switch immediately stops the motor and immediately sends out an alarm signal;

the connection between the working bridge 3 and the central support on the flocculation sedimentation tank 1 adopts bolt connection, the structure is reasonable, the overturning moment and the rotating resistance of the central driving device are effectively reduced, the load applied by a working bridge and underwater components can be borne, and the rotation is flexible;

the lower end of the transmission vertical shaft 4 is in transmission connection with the flocculation sedimentation tank 1 through an underwater shaft bearing 17, the bottom end of the transmission vertical shaft 4 is fixedly connected with a mud collecting pit scraper 18, a mud scraping arm 14 which is transversely arranged is fixedly arranged on the transmission vertical shaft 4, the transmission vertical shaft 4 is fixedly connected with the mud scraping arm 14 through two groups of pull rods 16 which are symmetrically and fixedly arranged on the transmission vertical shaft in a left-right mode and two groups of balance arms 22 which are symmetrically and fixedly arranged in a front-back mode, and a spiral mud scraping plate 20 is further arranged on a scraper support 21 on the mud scraping arm 14.

The mud scraper of collection mud pit scraper blade 18 is the rectangle, and its effect is outside slowly collecting the discharge pond in the suction dredge mouth with bottom of the pool mud, guarantees to scrape mud and distributes evenly along the diametric (al) direction, does not take place mud and piles up, alleviates the processing load. The mud scraping and the bottom of the tank keep a certain clearance which is 10mm. The edge of the scraper close to the pool bottom is provided with a cloth clamping rubber plate. The balance arm 22, the pull rod 16 and the mud scraping arm 14 form a mud scraping plate support which is used for connecting the mud scraping plate and guaranteeing the rigidity requirement of the mud scraping plate during working, and the mud scraping plate support is light in structure, stable and reliable.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a central transmission sludge thickening machine, includes flocculation and precipitation pond (1), its characterized in that: a working bridge (3) is arranged on the flocculation sedimentation tank (1), a transmission vertical shaft (4) penetrating through a guide cylinder (5) is rotatably connected to the working bridge (3), a cycloidal pin gear speed reducer motor (8) is fixedly arranged on the working bridge (3), the cycloidal pin gear speed reducer motor is in transmission connection with the input end of a turbine speed reducer (6) through a torque meter (7), and the output end of the turbine speed reducer (6) is in transmission connection with the input end of the transmission vertical shaft (4);

the lower extreme of transmission vertical scroll (4) is connected with flocculation and precipitation pond (1) transmission through axle bearing (17) under water, the bottom and the collection mud pit scraper blade (18) fixed connection of transmission vertical scroll (4), fixed mud arm (14) of scraping that are equipped with horizontal setting on transmission vertical scroll (4), and transmission vertical scroll (4) through fixed two sets of pull rods (16) that set up of bilateral symmetry and the fixed two sets of balance arm (22) that set up of front and back symmetry on it with scrape mud arm (14) fixed connection, it still is equipped with spiral mud scraper (20) on scraper blade support (21) on mud arm (14) to scrape.

2. The center-drive sludge thickener according to claim 1, the method is characterized in that: the working bridge (3) is designed to be a truss girder structure, an upper bridge ladder stand and a handrail are arranged on the working bridge (3), and an electric cabinet (10) is further arranged on the working bridge (3).

3. The center drive sludge thickener of claim 1, wherein: and a walkway plate (19) is paved on the working bridge (3).