CN216366953U

CN216366953U - Rotary drum grille

Info

Publication number: CN216366953U
Application number: CN202122510818.6U
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: 2021-10-19
Filing date: 2021-10-19
Publication date: 2022-04-26
Anticipated expiration: 2031-10-19

Abstract

The utility model relates to the technical field of sewage treatment equipment, in particular to a rotary drum grating which comprises a rotary drum grating component, a spiral squeezing component, a driving device, a grating basket flushing component and a squeezing section flushing component, wherein the spiral squeezing component is connected to the right end of the rotary drum grating component, and the driving device is connected to the right end of the spiral squeezing component. According to the utility model, the screen body is used for filtering, the screw of the spiral squeezing assembly is driven to rotate by the driving device, impurities and dirt are continuously squeezed and dehydrated, the scraping rake rotates along with the screw while the screw rotates, and the screen body can be effectively cleaned by the scraping rake, so that the screen body cannot be blocked; according to the utility model, the grid basket flushing assembly is used for flushing the rotary drum grid assembly, and the pressing section flushing assembly is used for flushing the spiral pressing assembly, so that the rotary drum grid is self-cleaned, the sewage treatment effect is improved, and the labor intensity of workers is reduced.

Description

Rotary drum grille

Technical Field

The utility model relates to the technical field of sewage treatment equipment, in particular to a rotary drum grating.

Background

The drum grating is a processing unit for intercepting fine substances in sewage, and aims to ensure the normal operation of subsequent structures and effectively ensure the dehydration of sludge.

The patent with the application number of CN201621427463.7 discloses a rotary drum grille-type dirt separator, belongs to sewage treatment equipment technical field for with the scrubbing effect of solving current rotary drum grille-type dirt separator poor, the filth squeezes packing transportation and handles inconvenient problem after the dehydration. Including rotary drum grid, return water tube, drive arrangement, the return water tube is connected in the left end of rotary drum grid, and drive arrangement connects in return water tube left end, is provided with spiral transmission shaft in the return water tube, and spiral transmission shaft is coaxial with the rotary drum grid, and the left lower extreme of return water tube is equipped with the material all in one piece export, and the below of material all in one piece export is provided with reducing mechanism, is equipped with the washing brush on the rotary drum grid, and the below at return water tube middle part articulates there is first crane.

The drum grating type dirt separator cannot automatically clean the drum grating and the backwater pipe shell, and is easy to block after being used for a long time, so that the filtering effect is influenced.

To this end, we propose a drum grid.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a drum grid to solve the above problems.

In order to achieve the purpose, the utility model provides the following technical scheme: a drum grating comprises a drum grating component, a spiral squeezing component, a driving device, a grating basket washing component and a squeezing section washing component, wherein the spiral squeezing component is connected to the right end of the drum grating component, and the driving device is connected to the right end of the spiral squeezing component;

the rotary drum grating component comprises a grating body, a mounting inclined plate is mounted on the left side of the grating body, a material hopper is mounted on the left side of the mounting inclined plate, and a rotary drum grating support component is mounted at the lower end of the rotary drum grating component;

the spiral squeezing component comprises a squeezing barrel, a screw rod is installed in the squeezing barrel, the left side of the screw rod extends into the sieve grid body and the material hopper and extends out of the material hopper, a scraping rake is installed on the left side of the screw rod through a first bolt, the right end of the scraping rake extends into the sieve grid body and is in contact with the inner wall of the sieve grid body, a large gasket is installed on the left side of the scraping rake and located on the right side of the first bolt, and a spiral squeezing support component is installed at the lower end of the spiral squeezing component;

the driving device comprises a speed reducing motor, an output shaft of the speed reducing motor is fixedly connected with the screw, a switch seat is arranged on the right side of the speed reducing motor, and a proximity switch is arranged at the upper end of the switch seat;

the grid basket flushing assembly comprises a flushing pipe, the left side of the flushing pipe extends into the screen grid body and is communicated with a flushing rod, the right side of the flushing pipe is provided with an electromagnetic valve through an external thread connector, the right side of the electromagnetic valve is communicated with a pipeline filter through an external thread connector, the right side of the pipeline filter is communicated with a tee through an external thread connector, two groups of hoops are arranged on the outer side of the extrusion cylinder, the upper ends of the two groups of hoops are fixedly connected with a bracket, and the electromagnetic valve and the pipeline filter are both arranged at the upper end of the bracket through pipe brackets;

squeeze section flushing unit and include the wash bowl, the wash bowl is installed on the recipient, the wash bowl left and right sides all communicates there is the inlet tube.

As a further optimization of the technical scheme, the rotary drum grille support assembly comprises a first rear adjustable support, the first rear adjustable support is rotatably installed at the lower end of the right side of the grille body, the lower end of the first rear adjustable support is inserted into a second rear adjustable support, and expansion bolts are fixedly connected to the left side and the right side of the first rear adjustable support and the left side of the second rear adjustable support.

This setting reciprocates in the adjustable support behind the second through adjustable support behind first, is convenient for adjust behind first adjustable support and the second height between the adjustable support, then can be fixed with adjustable support behind first adjustable support behind the second through expansion bolts.

As a further optimization of the technical scheme, the spiral squeezing support assembly comprises a cross beam, a first support is fixedly mounted at the upper end of the cross beam, a second support is inserted into the inner side of the upper end of the first support, a supporting fixing hoop is mounted at the right end of the outer side of the extrusion cylinder, and the second support is rotatably mounted below the supporting fixing hoop through a pin shaft.

This setting is passed through the second support and is reciprocated in first support, is convenient for adjust the height between second support and the first support. The inclination angle of the rotary drum grating is adjusted by adjusting the screw press bracket assembly and the rotary drum grating bracket assembly.

As a further optimization of the technical scheme, blanking frames are fixedly mounted on the right sides of the front end and the rear end of the extrusion cylinder, and material supporting frames are fixedly mounted on the left side of the blanking frames through fourth bolts at the lower end of the extrusion cylinder.

The extrusion container is installed through the blanking frame and the material supporting frame.

As a further optimization of the technical scheme, the extrusion cylinder is fixedly connected with the screen grid body through a third bolt.

This setting is installed the recipient in the screen bars body right side through the third bolt for can communicate between screen bars body and the recipient.

As a further optimization of the technical scheme, the speed reducing motor is fixedly connected with the extrusion cylinder through a second bolt.

The speed reducing motor is fixedly arranged on the right side of the extrusion container through the second bolt, and the screw rod is driven to rotate through the speed reducing motor.

Compared with the prior art, the utility model has the beneficial effects that:

1. the mounting angle of the rotary drum grating can be adjusted by adjusting the screw squeezing bracket assembly and the rotary drum grating bracket assembly;

2. according to the utility model, the screen grid body is used for filtering, so that clean water in sewage flows to the outer side from the inner side of the screen grid body, larger granular impurity dirt in the sewage is intercepted in the screen grid body, the screw of the screw pressing assembly is driven to rotate through the driving device, the impurity and the dirt are continuously extruded and dehydrated, water in the impurity and the dirt flows out under the action of self gravity, residues are conveyed to the right side and are discharged from a discharge hole in an extrusion cylinder, the scraper rotates along with the screw when the screw rotates, and the screen grid body can be effectively cleaned through the scraper, so that the screen grid body cannot be blocked;

3. according to the utility model, the grid basket flushing assembly is used for flushing the rotary drum grid assembly, and the pressing section flushing assembly is used for flushing the spiral pressing assembly, so that the rotary drum grid is self-cleaned, the sewage treatment effect is improved, and the labor intensity of workers is reduced.

Drawings

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

FIG. 2 is a schematic top view of the connection between the driving device and the screw press assembly according to the present invention.

In the figure: 1. a first bolt; 2. an expansion bolt; 3. a large washer; 4. scraping and harrowing; 5. a material hopper; 6. installing an inclined plate; 7. a screen grid body; 8. a flush tube; 9. a second rear adjustable support; 10. a screw; 11. an extrusion cylinder; 12. an electromagnetic valve; 13. a pipeline filter; 14. an external thread joint; 15. a tube holder; 16. a tee joint; 17. a cleaning cylinder; 18. a reduction motor; 19. a switch base; 20. a second bolt; 21. a proximity switch; 22. a first rear adjustable support; 23. a third bolt; 24. hooping; 25. supporting the fixing hoop; 26. a pin shaft; 27. a second bracket; 28. a blanking frame; 29. a fourth bolt; 30. a first bracket; 31. a material supporting frame; 32. a cross beam; 33. a bracket.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a drum grating comprises a drum grating component, a spiral squeezing component, a driving device, a grating basket washing component and a squeezing section washing component, wherein the spiral squeezing component is connected to the right end of the drum grating component, and the driving device is connected to the right end of the spiral squeezing component;

the rotary drum grating component comprises a grating body 7, an installation inclined plate 6 is installed on the left side of the grating body 7, and a material hopper 5 is installed on the left side of the installation inclined plate 6.

The sewage enters the screen body 7 through the material hopper 5.

The screw press assembly comprises an extrusion cylinder 11, through 23 fixed connection of third bolt between extrusion cylinder 11 and the sieve grid body 7, install screw rod 10 in the extrusion cylinder 11, screw rod 10 left side is stretched into in sieve grid body 7 and the material hopper 5 and is extended to outside the material hopper 5, the rake 4 is installed through first bolt 1 in the screw rod 10 left side, scrape 4 right-hand members of rake and stretch into in the sieve grid body 7, and contact with the 7 inner wall of sieve grid body, scrape 4 left sides of rake and be located 1 right sides of first bolt and install big packing ring 3, the equal fixed mounting in both ends right side has blanking frame 28 before and after extrusion cylinder 11, 11 lower extremes of extrusion cylinder just are located blanking frame 28 left sides and have support frame 31 through fourth bolt 29 fixed mounting.

The screw rod 10 is driven to rotate by the driving device, so that the grid slag can be effectively extruded and dehydrated, and the water in the grid slag can flow out under the action of the gravity of the grid slag in the spiral transmission process; when the screw rod 10 rotates, the scraper rake 4 rotates along with the screw rod, and the screen grid body 7 can be effectively cleaned through the scraper rake 4, so that the screen grid body 7 cannot be blocked.

The driving device comprises a speed reducing motor 18, the speed reducing motor 18 is fixedly connected with the extrusion container 11 through a second bolt 20, an output shaft of the speed reducing motor 18 is fixedly connected with the screw 10, a switch seat 19 is arranged on the right side of the speed reducing motor 18, and a proximity switch 21 is arranged at the upper end of the switch seat 19.

By starting the proximity switch 21, the speed reducing motor 18 works, the driving screw 10 rotates stably at a constant speed, the speed reducing motor 18 adopts a high-quality speed reducing motor, the operation is flexible, stable and reliable, no abnormal noise exists, all seams of the gear box are sealed and reliable, and the entering of water and dust and the outflow of lubricant are effectively prevented.

Grid basket washing unit includes flushing

pipe

8, 8 left sides of flushing pipe stretch into in the sieve bars body 7 and the intercommunication has the washing stick, 8 right sides of flushing pipe install solenoid valve 12 through outer silk joint 14, 12 right sides of solenoid valve have pipeline filter 13 through outer silk joint 14 intercommunication, pipeline filter 13 right sides has tee bend 16 through outer silk joint 14 intercommunication, two sets of staple bolts 24 are installed in the 11 outsides of recipient, and are two sets of staple bolt 24 upper end fixedly connected with bracket 33, solenoid valve 12 and pipeline filter 13 all install in bracket 33 upper end through pipe bracket 15.

An external water source is communicated through a tee joint 16, an electromagnetic valve 12 is opened, the external water source enters a flushing pipe 8 after being filtered by a pipeline filter 13 and then enters a flushing rod in the sieve grid body 7, and flushing water is sprayed out through the flushing rod, so that the rotary drum grid assembly is flushed.

Squeeze section washing unit and include wash bowl 17, wash bowl 17 installs on recipient 11, the wash bowl 17 left and right sides all communicates there is the inlet tube.

The spiral pressing assembly is washed by the pressing section washing assembly.

Specifically, a rotary drum grating support assembly is mounted at the lower end of the rotary drum grating assembly and comprises a first rear adjustable support 22, the first rear adjustable support 22 is rotatably mounted at the lower end of the right side of the grating body 7, the lower end of the first rear adjustable support 22 is inserted into a second rear adjustable support 9, and expansion bolts 2 are fixedly connected to the left side and the right side of the first rear adjustable support 22 and the second rear adjustable support 9; the spiral squeezes the subassembly lower extreme and installs the spiral and squeezes the subassembly, the spiral squeezes the subassembly and includes crossbeam 32, crossbeam 32 upper end fixed mounting has first support 30, it has second support 27 to peg graft in first support 30 upper end inboard, the fixed hoop 25 of support is installed to 11 outside right-hand members of recipient, second support 27 rotates through round pin axle 26 and installs in supporting fixed hoop 25 below.

The first rear adjustable bracket 22 moves up and down in the second rear adjustable bracket 9, so that the height between the first rear adjustable bracket 22 and the second rear adjustable bracket 9 can be conveniently adjusted, and then the first rear adjustable bracket 22 and the second rear adjustable bracket 9 can be fixed through the expansion bolt 2; the height between the second bracket 27 and the first bracket 30 is conveniently adjusted by the second bracket 27 moving up and down in the first bracket 30. The inclination angle of the rotary drum grating is adjusted by adjusting the screw press bracket assembly and the rotary drum grating bracket assembly.

Specifically, when the rotary drum grating mounting device is used, the rotary drum grating is mounted in sewage through adjusting the screw squeezing support assembly and the rotary drum grating support assembly and then the screw squeezing support assembly and the rotary drum grating support assembly; sewage enters a sieve grid body 7 from a material hopper 5 and is filtered through the sieve grid body 7, so that clean water in the sewage flows to the outer side from the inner side of the sieve grid body 7, large granular impurity and dirt in the sewage are intercepted in the sieve grid body 7, a screw 10 of a screw squeezing assembly is driven to rotate through a driving device, the impurity and the dirt are continuously extruded and dehydrated, water in the impurity and the dirt flows out under the action of self gravity, residues are conveyed to the right side and are discharged from a discharge port on an extrusion cylinder 11, a scraper 4 rotates along with the screw 10 when the screw 10 rotates, the sieve grid body 7 can be effectively cleaned through the scraper 4, and the sieve grid body 7 cannot be blocked; the tee joint 16 of the grid basket flushing component is communicated with an external water source, the electromagnetic valve 12 is opened, the external water source enters the flushing pipe 8 after being filtered by the pipeline filter 13, then enters the flushing rod in the screen grid body 7, flushing water is sprayed out through the flushing rod, so that the rotating drum grid component is flushed, the spiral pressing component is flushed through the pressing section flushing component, and therefore the rotating drum grid is self-cleaned, the sewage treatment effect is improved, and the labor intensity of workers is reduced.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a rotary drum grid, includes rotary drum grid subassembly, spiral and squeezes subassembly, drive arrangement, grid basket washing subassembly and squeezes section washing subassembly, its characterized in that: the spiral squeezing component is connected to the right end of the rotary drum grating component, and the driving device is connected to the right end of the spiral squeezing component;

the rotary drum grating component comprises a grating body (7), an installation inclined plate (6) is installed on the left side of the grating body (7), a material hopper (5) is installed on the left side of the installation inclined plate (6), and a rotary drum grating support component is installed at the lower end of the rotary drum grating component;

the spiral squeezing component comprises a squeezing barrel (11), a screw rod (10) is installed in the squeezing barrel (11), the left side of the screw rod (10) stretches into a sieve grid body (7) and a material hopper (5) and extends out of the material hopper (5), a scraping rake (4) is installed on the left side of the screw rod (10) through a first bolt (1), the right end of the scraping rake (4) stretches into the sieve grid body (7) and is in contact with the inner wall of the sieve grid body (7), a large washer (3) is installed on the left side of the scraping rake (4) and is located on the right side of the first bolt (1), and a spiral squeezing support component is installed at the lower end of the spiral squeezing component;

the driving device comprises a speed reducing motor (18), an output shaft of the speed reducing motor (18) is fixedly connected with the screw (10), a switch seat (19) is arranged on the right side of the speed reducing motor (18), and a proximity switch (21) is arranged at the upper end of the switch seat (19);

the grid basket washing assembly comprises a washing pipe (8), the left side of the washing pipe (8) extends into the screen grid body (7) and is communicated with a washing rod, the right side of the washing pipe (8) is provided with an electromagnetic valve (12) through an external thread connector (14), the right side of the electromagnetic valve (12) is communicated with a pipeline filter (13) through the external thread connector (14), the right side of the pipeline filter (13) is communicated with a tee joint (16) through the external thread connector (14), two groups of hoops (24) are arranged on the outer side of the extrusion cylinder (11), brackets (33) are fixedly connected to the upper ends of the two groups of hoops (24), and the electromagnetic valve (12) and the pipeline filter (13) are both arranged on the upper ends of the brackets (33) through pipe brackets (15);

squeeze section washing unit and include wash bowl (17), wash bowl (17) are installed on squeeze bowl (11), the wash bowl (17) left and right sides all communicates there is the inlet tube.

2. A rotary drum grid according to claim 1, characterized in that: the rotary drum grille support assembly comprises a first rear adjustable support (22), the first rear adjustable support (22) is rotatably installed at the lower end of the right side of the grille body (7), the lower end of the first rear adjustable support (22) is inserted into a second rear adjustable support (9), and expansion bolts (2) are fixedly connected to the left side and the right side of the first rear adjustable support (22) and the second rear adjustable support (9).

3. A rotary drum grid according to claim 1, characterized in that: the spiral squeezing support assembly comprises a cross beam (32), a first support (30) is fixedly mounted at the upper end of the cross beam (32), a second support (27) is inserted into the inner side of the upper end of the first support (30), a supporting fixing hoop (25) is mounted at the right end of the outer side of the extrusion cylinder (11), and the second support (27) is rotatably mounted below the supporting fixing hoop (25) through a pin shaft (26).

4. A rotary drum grid according to claim 1, characterized in that: the material dropping frame is characterized in that material dropping frames (28) are fixedly mounted on the right sides of the front end and the rear end of the extrusion cylinder (11), the lower end of the extrusion cylinder (11) is located on the left side of the material dropping frame (28), and material supporting frames (31) are fixedly mounted on the left side of the extrusion cylinder (11) through fourth bolts (29).

5. A rotary drum grid according to claim 1, characterized in that: the extrusion cylinder (11) is fixedly connected with the screen grid body (7) through a third bolt (23).

6. A rotary drum grid according to claim 1, characterized in that: the speed reducing motor (18) is fixedly connected with the extrusion cylinder (11) through a second bolt (20).