CN217472796U

CN217472796U - Sewage treatment sand filter tank capable of quickly replacing sand

Info

Publication number: CN217472796U
Application number: CN202221594767.8U
Authority: CN
Inventors: 周中武; 孙友毫; 周珂珂
Original assignee: Gushi Sanli Environmental Protection Equipment Manufacturing Co ltd
Current assignee: Gushi Sanli Environmental Protection Equipment Manufacturing Co ltd
Priority date: 2022-06-24
Filing date: 2022-06-24
Publication date: 2022-09-23
Anticipated expiration: 2032-06-24

Abstract

The utility model relates to a sewage treatment sand filtration tank capable of quickly replacing sand, which comprises a tank body, wherein the upper end of the tank body is provided with a water inlet pipe, the lower end of the tank body is provided with a water outlet pipe, and the side wall of the tank body is provided with a sand replacement port; a rotating shaft vertically penetrates through the tank body, and a horizontally arranged filter plate is arranged at the lower end of the rotating shaft; the rotating shaft is sleeved with a rotating pipe, the upper end of the tank body is provided with a motor through a bracket, the upper end of the rotating pipe is provided with a first driven face gear, and a motor shaft of the motor is provided with a first driving face gear; a second driven face gear is sleeved at the upper end of the rotating shaft, a second driving face gear is arranged on the motor shaft, a spring is arranged between the second driven face gear and the rotating shaft, and the second driving face gear and the second driven face gear are both one-way gears; the rotating pipe is provided with stirring blades; this application orders about stirring vane through the motor and rotates and improve back flush efficiency, drives pivot and filter plate through the motor and rotates, and the convenient sand of getting fast trades sand.

Description

Sewage treatment sand filter tank capable of quickly replacing sand

Technical Field

The utility model belongs to the technical field of sewage treatment technique and specifically relates to a but sewage treatment sand filter tank of quick sand change.

Background

The sand filtration tank is a filter, filter sand is filled in the sand filtration tank, water needing to be filtered is introduced into the sand filtration tank, some impurities in the water are filtered by the filter sand when the water passes through the filter sand, and the filtered water is discharged from the sand filtration tank, so that the filtering is finished. Impurities filtered by the filtered sand can remain on the filtered sand, so that the filtering effect is not influenced, the filtered sand in the sand filter tank needs to be backwashed, and the filtered sand can be washed clean only by carrying out backwashing for many times because a large amount of impurities are accumulated in the filtering process; and sand filter tank is after long-time the use, can accumulate some impurity and filth that are difficult to detach gradually on the sand bed, so the sand bed needs periodic replacement, offer the discharge opening at sand filter tank's lateral wall usually among the prior art, utilize the discharge opening to carry out the discharge change to the filter sand in the sand filter tank, but when getting sand, the filter sand of keeping away from the discharge opening in the sand filter tank is difficult to be taken out, leads to the sand change of sand filter tank thoroughly easily, perhaps need consume the plenty of time.

Therefore, it is highly desirable to design a sand filtration tank for sewage treatment, which can rapidly change sand, so as to improve the back-flushing effect of the filtering sand in the sand filtration tank, increase the sand-changing speed of the sand filtration tank, and achieve more thorough sand change.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a but sewage treatment sand filter jar of quick sand change for solve the problem that exists among the above-mentioned background art.

In order to solve the problems, the utility model provides a sewage treatment sand filtration tank capable of quickly changing sand, which comprises a tank body, wherein the upper end of the tank body is provided with a water inlet pipe, the lower end of the tank body is provided with a water outlet pipe, and the side wall of the tank body is provided with a sand changing port; a rotating shaft vertically penetrates through the tank body, a horizontally arranged filter plate is arranged at the lower end of the rotating shaft, filter liquid holes are uniformly distributed in the filter plate, and the height of the lower end of the sand changing port is not lower than the setting height of the filter plate; a rotating pipe is sleeved on the rotating shaft, a motor is arranged at the upper end of the tank body through a support, a first driven face gear is arranged at the upper end of the rotating pipe, a first driving face gear corresponding to the first driven face gear is arranged on a motor shaft of the motor, and the first driving face gear is meshed with the first driven face gear; a second driven face gear is sleeved at the upper end of the rotating shaft, a second driving face gear corresponding to the second driven face gear is arranged on the motor shaft, a spring is arranged between the lower end of the second driven face gear and the rotating shaft, the second driven face gear can be driven to be meshed and matched with the second driving face gear by the elastic force of the spring, and the second driving face gear and the second driven face gear are both one-way gears; and the rotating pipe is provided with stirring blades.

The utility model provides a but sewage treatment sand filtration jar of quick sand change still has following technical characteristic:

further, the stirring blades are arranged on the rotating pipe along the radial direction of the rotating pipe.

Further, the stirring blade is provided in plurality with respect to the axis of the rotating pipe.

Furthermore, the internal slope of jar is provided with the flow distribution plate, a plurality of flow distribution holes have been seted up on the flow distribution plate, the higher one end of flow distribution plate is established the lower extreme of inlet tube.

Further, the splitter plate is at an angle of 5 ° to 20 ° to the horizontal.

Furthermore, an exhaust pipe is arranged at the upper end of the tank body.

Furthermore, a pressure gauge is arranged on the water inlet pipe.

Furthermore, a support frame is arranged in the tank body, and the rotating shaft is arranged on the support frame in a penetrating mode.

Furthermore, a sewage draining outlet is formed in the upper end of the side wall of the tank body.

Furthermore, the lower end of the tank body is provided with a support leg.

The utility model discloses following beneficial effect has: the filter sand washing device is reasonable in structure and ingenious in matching, when the filter sand in the tank body needs to be washed back, the motor is started, the second driving end face gear and the second driven end face gear are in one-way tooth matching, so that the second driving end face gear and the second driven end face gear can be disengaged, the motor only drives the rotating pipe to rotate, the stirring blades stir the filter sand, and the filter sand is washed more thoroughly and efficiently; when the sand needs to be changed for the tank body, the motor is started to rotate reversely, the second driven face gear is meshed with the second driven face gear under the action of the elastic force of the spring, the motor can drive the rotating shaft and the rotating pipe to rotate simultaneously, the rotating shaft drives the filter plate to rotate, and the filter plate rotates to enable workers to sequentially take out the filtered sand in the tank body at the sand changing port, so that the sand changing is thorough.

Drawings

FIG. 1 is a cross-sectional view of an embodiment of the present invention;

fig. 2 is an enlarged view at a in fig. 1.

11. A tank body; 12. replacing a sand port; 13. a water inlet pipe; 14. a water outlet pipe; 15. an exhaust pipe; 16. a pressure gauge; 17. a flow distribution plate; 18. a support leg; 19. a support frame; 21. a rotating shaft; 22. filtering the plate; 23. a second driven face gear; 24. a spring; 31. pipe rotation; 32. a stirring blade; 33. a first driven face gear; 34. a sewage draining outlet; 41. a motor; 42. a motor shaft; 43. a first driving face gear; 44. a second driving face gear; 5. and (5) filtering sand.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the embodiment of the sewage treatment sand filtration tank capable of rapidly changing sand of the present invention as shown in fig. 1 to fig. 2, the sewage treatment sand filtration tank capable of rapidly changing sand comprises a tank body 11, a water inlet pipe 13 is arranged at the upper end of the tank body 11, a water outlet pipe 14 is arranged at the lower end of the tank body 11, and a sand changing port 12 is arranged on the side wall of the tank body 11; a rotating shaft 21 vertically penetrates through the tank body 11, a horizontally arranged filter plate 22 is arranged at the lower end of the rotating shaft 21, filter liquor holes are uniformly distributed in the filter plate 22, filter sand 5 is filled in the tank body 11 and is positioned on the filter plate 22, and the lower end of the sand changing port 12 is not lower than the setting height of the filter plate 22, so that sand changing is facilitated; the rotating shaft 21 is sleeved with a rotating pipe 31, the upper end of the tank body 11 is provided with a motor 41 through a bracket, the upper end of the rotating pipe 31 is provided with a first driven face gear 33, a motor shaft 42 of the motor 41 is provided with a first driving face gear 43 corresponding to the first driven face gear 33, and the first driving face gear 43 is meshed with the first driven face gear 33; a second driven face gear 23 is sleeved at the upper end of the rotating shaft 21, a second driving face gear 44 corresponding to the second driven face gear 23 is arranged on the motor shaft 42, a spring 24 is arranged between the lower end of the second driven face gear 23 and the rotating shaft 21, the second driven face gear 23 and the second driving face gear 44 can be meshed and matched under the action of the elastic force of the spring 24, the second driving face gear 44 and the second driven face gear 23 are both one-way gears, and when the rotating direction of the motor driving motor shaft 42 is opposite to the meshing and matching direction of the second driving face gear 44 and the second driven face gear 23, the second driven face gear 23 presses the spring 24 to be disengaged from the second driving face gear 44; the rotating pipe 31 is provided with stirring blades 32.

When the filter sand 5 in the tank body 11 needs to be backwashed, the motor 41 is started, the motor 41 drives the motor shaft 42 to rotate in the direction opposite to the meshing matching direction of the second driving end face gear 44 and the second driven end face gear 23, the second driven end face gear 23 pushes the pressing spring 24 to be disengaged from the second driving end face gear 44, the motor 41 only drives the rotating pipe 31 to rotate, the stirring blades 32 stir the filter sand 5, clean water is introduced into the tank body 11 from the water outlet pipe 14 to wash the filter sand 5, and finally impurities are taken out from the water inlet, and the clean water can wash the filter sand 5 more fully and thoroughly due to the stirring of the stirring blades 32 on the filter sand 5; when sand needs to be changed for the tank body 11, the motor 41 is started to rotate reversely, the second driven face gear 23 is meshed with the second driven face gear 23 under the action of the elastic force of the spring 24, the motor 41 can drive the rotating shaft 21 and the rotating pipe 31 to rotate simultaneously, the rotating shaft 21 drives the filter plate 22 to rotate, the sand changing port 12 is opened, and the filter sand 5 at each position on the filter plate 22 can be sequentially driven along with the rotation of the filter plate 22 at the sand changing port 12, so that sand changing is thorough.

In one embodiment of the present application, preferably, the stirring blade 32 is installed on the rotating pipe 31 along a radial direction of the rotating pipe 31, so as to facilitate the stirring of the filtering sand 5 by the stirring blade 32.

In one embodiment of the present application, it is preferable that the stirring blade 32 is provided in plural numbers with respect to the axis of the rotary pipe 31 to more uniformly stir the filter sand 5.

In an embodiment of this application, preferably, the slope is provided with flow distribution plate 17 in jar body 11, a plurality of diffluence holes have been seted up on flow distribution plate 17, the higher one end of flow distribution plate 17 is established the lower extreme of inlet tube 13 avoids continuously strikeing the removal at filter sand 5 from the sewage that inlet tube 13 got into, leads to the impurity gathering, influences filter effect and filter speed.

In one embodiment of the present application, preferably, the angle between the diversion plate 17 and the horizontal plane is 5 ° to 20 °, so that the diversion of the sewage by the diversion plate 17 is more uniform, and the filtering efficiency is improved.

In one embodiment of the present application, it is preferable that the tank 11 is provided with an exhaust pipe 15 at the upper end thereof, so as to keep the atmospheric pressure inside the tank 11 constant.

In one embodiment of the present application, it is preferable that the water inlet pipe 13 is provided with a pressure gauge 16 to facilitate monitoring of the water pressure in the water inlet pipe 13.

In an embodiment of this application, preferably, be equipped with support frame 19 in jar body 11, pivot 21 wears to establish on the support frame 19, support frame 19 provides supporting role and guide effect to pivot 21, improves the reliability of this application.

In an embodiment of the present application, preferably, the upper end of the side wall of the tank 11 is provided with a sewage draining outlet 34, so that impurities are directly drained from the sewage draining outlet along with water when the filtered sand 5 is backwashed, and pollution of the impurities to the water inlet pipe 13 is reduced.

In one embodiment of the present application, the lower end of the tank 11 is preferably provided with a leg 18 to prevent the tank 11 from directly contacting the ground, prevent moisture and reduce pollution.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A sewage treatment sand filtration tank capable of quickly replacing sand is characterized by comprising a tank body, wherein the upper end of the tank body is provided with a water inlet pipe, the lower end of the tank body is provided with a water outlet pipe, and the side wall of the tank body is provided with a sand replacement port; a rotating shaft vertically penetrates through the tank body, a horizontally arranged filter plate is arranged at the lower end of the rotating shaft, filter liquid holes are uniformly distributed in the filter plate, and the height of the lower end of the sand changing port is not lower than the setting height of the filter plate; a rotating pipe is sleeved on the rotating shaft, a motor is arranged at the upper end of the tank body through a support, a first driven face gear is arranged at the upper end of the rotating pipe, a first driving face gear corresponding to the first driven face gear is arranged on a motor shaft of the motor, and the first driving face gear is meshed with the first driven face gear; a second driven face gear is sleeved at the upper end of the rotating shaft, a second driving face gear corresponding to the second driven face gear is arranged on the motor shaft, a spring is arranged between the lower end of the second driven face gear and the rotating shaft, the second driven face gear can be driven to be meshed and matched with the second driving face gear by the elastic force of the spring, and the second driving face gear and the second driven face gear are both one-way gears; and the rotating pipe is provided with stirring blades.

2. The sewage treatment sand filtration tank capable of rapidly replacing sand according to claim 1, wherein: the stirring blades are arranged on the rotating pipe along the radial direction of the rotating pipe.

3. The sewage treatment sand filtration tank capable of rapidly replacing sand according to claim 2, wherein: the stirring blade is provided in plurality with respect to the axis of the rotary pipe.

4. The sewage treatment sand filtration tank capable of rapidly replacing sand according to claim 1, wherein: the internal slope of jar is provided with the flow distribution plate, a plurality of flow distribution holes have been seted up on the flow distribution plate, the higher one end of flow distribution plate is established the lower extreme of inlet tube.

5. The sewage treatment sand filtration tank capable of quickly changing sand according to claim 4, wherein: the splitter plate forms an included angle of 5-20 degrees with the horizontal plane.

6. The sewage treatment sand filtration tank capable of rapidly replacing sand according to claim 1, wherein: an exhaust pipe is arranged at the upper end of the tank body.

7. The sewage treatment sand filtration tank capable of rapidly replacing sand according to claim 1, wherein: the pressure gauge is arranged on the water inlet pipe.

8. The sewage treatment sand filtration tank capable of rapidly replacing sand according to claim 1, wherein: the internal support frame that is equipped with of jar, the pivot is worn to establish on the support frame.

9. The sewage treatment sand filtration tank capable of quickly changing sand according to claim 1, which is characterized in that: and a sewage draining outlet is formed in the upper end of the side wall of the tank body.

10. The sewage treatment sand filtration tank capable of rapidly replacing sand according to claim 1, wherein: the lower end of the tank body is provided with a supporting leg.