CN216170187U

CN216170187U - Quick sand changing mechanism for sand filter tank of pure water system

Info

Publication number: CN216170187U
Application number: CN202122696620.1U
Authority: CN
Inventors: 梁作伦; 王旭强
Original assignee: Shanghai Sujie Environmental Protection Engineering Equipment Co ltd
Current assignee: Shanghai Sujie Environmental Protection Engineering Equipment Co ltd
Priority date: 2021-11-05
Filing date: 2021-11-05
Publication date: 2022-04-05
Anticipated expiration: 2031-11-05

Abstract

The utility model relates to a rapid sand changing mechanism for a sand filter tank of a pure water system in the technical field of sewage treatment, which comprises a bracket and a sand filter tank; an inlet and an outlet are respectively arranged at two opposite ends of the sand filtering tank, a filtering layer is filled in the sand filtering tank, and the sand filtering tank is rotationally connected to the bracket; during operation, the sand filter tank is in a vertical state in the bracket, and the inlet is positioned at the upper end; when the filter layer needs to be cleaned, the sand filter tank is rotated through external force, so that the inlet is in a downward inclined state. According to the sand filter tank, the support is rotationally connected with the sand filter tank, so that the process of replacing the filter medium can be simplified, the operation is simple and convenient, time and labor are saved, and the working efficiency is improved.

Description

Quick sand changing mechanism for sand filter tank of pure water system

Technical Field

The utility model relates to the technical field of sewage treatment, in particular to a quick sand changing mechanism for a sand filter tank of a pure water system.

Background

The multi-media filter is a process multi-media filter which utilizes one or more filter media to pass water with higher turbidity through granular or non-granular materials with certain thickness under certain pressure, thereby effectively removing suspended impurities and clarifying the water. The multi-media filter can remove substances such as suspended matters, particulate matters, colloid and the like in raw water, can remove suspended matters or non-soluble particles (oxides, turbidity, particulate matters and the like) in the water, has the characteristics of low cost, convenience in operation, maintenance and management and the like, and particularly has a good effect on reducing turbidity, pollution index and the like in the raw water.

After the multi-media filter is used for a period of time, accumulated pollutants inside the multi-media filter are more, quartz sand needs to be replaced, and the replacing mode is different according to the different sizes of the sand filter tanks. The problems of the filter tank used at present are that: when carrying out filter medium and changing, need to remove the jar from pipe-line system is inside, after the manual work is fallen, clears up from the flange mouth that the top is a little big, and the space is less, the clearance difficulty to because of the site conditions is complicated, shift out the jar from system is inside, move back the normal position after trading sand and need more manual work, waste time and energy, it is especially obvious to the less filtration jar body of diameter.

Found through prior art retrieval, chinese utility model patent publication is CN212789911U, discloses a multi-media filter, including filter body and the three lower margin of fixed mounting in the filter body bottom, filter body's bottom fixed mounting has three first bracing piece, and the equal fixed mounting in bottom of three first bracing piece has same fixed plate, and the bottom central point of fixed plate puts and has seted up first recess, and the axis of rotation is installed to first recess internal rotation, and the fixed cover in the outside of axis of rotation has connect first gear, seted up the second recess on one side inner wall of first recess, fixed mounting has driving motor on the bottom inner wall of second recess, and the fixed cover has connect the second gear on driving motor's the output shaft, and the second gear is located the second recess, and second gear and first gear engagement, and the bottom fixed mounting of axis of rotation has the screw rod. The utility model discloses the structure is simple, still has the above-mentioned problem that removes comparatively difficultly about the filter media clearance.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide a quick sand changing mechanism for a sand filter tank of a pure water system.

The utility model provides a rapid sand changing mechanism for a sand filter tank of a pure water system, which comprises a bracket and the sand filter tank;

an inlet and an outlet are respectively arranged at two opposite ends of the sand filtering tank, a filtering layer is filled in the sand filtering tank, and the sand filtering tank is rotationally connected to the bracket;

during operation, the sand filter tank is in a vertical state in the bracket, and the inlet is positioned at the upper end; when the filter layer needs to be cleaned, the sand filter tank is rotated through external force, so that the inlet is in a downward inclined state.

In some embodiments, the support comprises a support body and support bodies, the support body is a rectangular frame, the support bodies are a type a structural frame, two groups of support bodies are symmetrically connected to two opposite side surfaces of the support body, and the sand filter tank is rotatably connected to the top ends of the support bodies through a rotating shaft and can rotate on the support.

In some embodiments, the shaft is integrally formed with the sand canister.

In some embodiments, the sand filtration tank further comprises a lifting device, wherein lifting lugs are arranged on the sand filtration tank, the lifting device is connected with the lifting lugs, and the sand filtration tank is turned over through the lifting device.

In some embodiments, the hoisting device includes a winch, a pulley and a steel wire rope, one end of the steel wire rope is connected to the lifting lug, and the other end of the steel wire rope passes through the pulley and then is wound on the winch.

In some embodiments, a carrier is provided on the support, and the winch is mounted on the carrier.

In some embodiments, the hoist has a self-locking function.

In some embodiments, the filter layer is a quartz sand layer or an activated carbon layer.

In some embodiments, the sand filtration tank has a diameter of 1 meter or less.

In some embodiments, the sand filtration tank is less than 2 meters in length. Compared with the prior art, the utility model has the following beneficial effects:

1. according to the sand filter tank, the support is rotationally connected with the sand filter tank, so that the process of replacing the filter medium can be simplified, the operation is simple and convenient, time and labor are saved, and the working efficiency is improved.

2. According to the utility model, through the optimization of the support structure and the arrangement of the adaptive lifting device, the structure is simplified and the operation efficiency is improved.

Drawings

Other features, objects and advantages of the utility model will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic view of a sand filter tank according to the present invention in a normal use condition;

FIG. 2 is a schematic view of the sand filter canister of the present invention in a rotated state.

Detailed Description

The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the utility model, but are not intended to limit the utility model in any way. It should be noted that it would be obvious to those skilled in the art that various changes and modifications can be made without departing from the spirit of the utility model. All falling within the scope of the present invention.

Example 1

The utility model provides a quick sand changing mechanism for a sand filter tank of a pure water system, which comprises a bracket 1 and a sand filter tank 2 rotationally connected to the bracket 1, as shown in figures 1-2. The sand filtering tank 2 is a cylindrical cavity structure, the upper end and the lower end of the sand filtering tank are provided with an inlet 21 and an outlet 22, the inlet 21 is used as an inlet of sewage and is used for filling and removing a filtering medium, and the outlet 22 is used as an outlet of the filtered cleaning liquid. The filtering medium filled in the sand filtering tank 2 is quartz sand or active carbon material. Support 1 is used for bearing sand filtration jar 2, and sand filtration jar 2 rotates simultaneously and connects on support 1, and sand filtration jar 2 can be around the fulcrum of being connected with support 1 and rotate promptly.

The working principle of the utility model is as follows: when sand filtration jar 2 is in operating condition, be connected with the pipeline on its import 21 and the export 22 respectively, realize filtration and the circulation of filtrate through the pipeline, at this moment, sand filtration jar 2 keeps upright state and is fixed, and the filtrate is after the import 21 of upper end gets into, and after the filtration medium filters, flows out from export 22. After using for a period of time, accumulated more pollutant on the filter media, when needing to change filter media, will demolish the pipeline of being connected with the import 21 at top and the export 22 of bottom, through manual or use corresponding hoisting accessory rotatory sand filtration jar 2, after rotation angle is greater than 90, when getting import 21 to be the downward sloping state, accomplish the change of removing to filter media.

According to the sand filter tank, the support is rotationally connected with the sand filter tank, so that the process of replacing the filter medium can be simplified, the operation is convenient, the time and the labor are saved, and the working efficiency is improved. Particularly, the effect on small sand filter tanks is more obvious, such as the sand filter tanks with the diameter less than 1 meter and/or the length less than 2 meters.

Example 2

The embodiment 2 is formed on the basis of the embodiment 1, and the structure is simplified and the working efficiency is improved through the optimization of the support structure and the arrangement of the adaptive lifting device. Specifically, the method comprises the following steps:

as shown in fig. 1-2, the bracket 1 includes a bracket body 11 and supporting bodies 12, the bracket body 11 is a rectangular frame, the supporting bodies 12 are a-shaped structure, two groups of supporting bodies 12 are fixedly connected in the frames on two opposite sides of the bracket body 11, the fixed connection mode can be welding or bolt connection, and the supporting bodies 12 with the a-shaped structure can effectively support the sand filter tank 2. Preferably, two rotating shafts 24 are integrally formed on two sides of the casing of the sand filtering tank 2, and the two rotating shafts 24 are rotatably connected to the top end of the supporting body 12. Preferably, the top end of the supporting body 12 is a semicircular structure, which facilitates the mounting and dismounting of the main shaft 24.

Further, the hoisting device 3 comprises a winch 31, a pulley 32 and a steel wire rope 33, a bearing frame 13 is arranged outside one side of the support 1, the bearing frame 13 is in a right triangle structure, the winch 31 is arranged on the bearing frame 13 in a sitting mode, and the pulley 32 is hung on the top of the support 1. Correspondingly, the lower end of the sand filter tank 2 is provided with a lifting lug 23 for pulling. One end of the wire rope 33 is connected with the lifting lug 23 through a retaining ring, and the other end thereof is wound on the rotary cylinder of the winch 31 after passing through the pulley 32. After the winch 31 is started, the sand filter tank 2 rotates by taking the rotating shaft 24 as a fulcrum through the matching connection of the steel wire rope 33, the pulley 32 and the lifting lug 23 until the sand filter tank rotates by a preset angle, so that the inlet 21 is in a downward inclined state, and the filter medium is convenient to clean and replace. Preferably, the winch 31 is provided with a self-locking function so that the sand filter tank 2 can maintain a corresponding inclination.

In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.

The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the utility model. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.

Claims

1. A rapid sand changing mechanism for a sand filter tank of a pure water system is characterized by comprising a bracket (1) and a sand filter tank (2);

an inlet (21) and an outlet (22) are respectively arranged at two opposite ends of the sand filtering tank (2), a filtering layer is filled in the sand filtering tank (2), and the sand filtering tank (2) is rotatably connected to the support (1);

during operation, the sand filter tank (2) is in a vertical state in the bracket (1), and the inlet (21) is positioned at the upper end; when the filter layer needs to be cleaned, the sand filtering tank (2) is rotated through external force, so that the inlet (21) is in a downward inclined state.

2. The sand rapid-changing mechanism of the sand filter tank of the pure water system as claimed in claim 1, wherein the bracket (1) comprises a bracket body (11) and supporting bodies (12), the bracket body (11) is a rectangular frame, the supporting bodies (12) are a type A structural frame, two groups of the supporting bodies (12) are symmetrically connected to two opposite side surfaces of the bracket body (11), and the sand filter tank (2) is rotatably connected to the top ends of the supporting bodies (12) through a rotating shaft (24) and can rotate on the bracket (1).

3. The rapid sand-changing mechanism of sand filter tank of pure water system as claimed in claim 2, wherein said rotating shaft (24) is formed integrally with said sand filter tank (2).

4. The rapid sand changing mechanism for the sand filter tank of the pure water system according to claim 2, further comprising a lifting device (3), wherein lifting lugs (23) are arranged on the sand filter tank (2), the lifting device (3) is connected with the lifting lugs (23), and the sand filter tank (2) is turned over through the lifting device (3).

5. The rapid sand changing mechanism for the sand filter tank of the pure water system as claimed in claim 4, wherein the lifting device (3) comprises a winch (31), a pulley (32) and a steel wire rope (33), one end of the steel wire rope (33) is connected with the lifting lug (23), and the other end of the steel wire rope (33) passes through the pulley (32) and then is wound on the winch (31).

6. The sand rapid-changing mechanism of the sand filter tank of the pure water system as claimed in claim 5, characterized in that a bearing frame (13) is arranged on the bracket (1), and the winch (3) is arranged on the bearing frame (13).

7. The rapid sand-changing mechanism for the sand filter tank of the pure water system as claimed in claim 5 or 6, wherein the winch has a self-locking function.

8. The rapid sand-changing mechanism for sand filter tank of pure water system as claimed in claim 1, wherein the filter layer is quartz sand layer or activated carbon layer.

9. The sand filter tank quick sand-changing mechanism of the pure water system as claimed in claim 1, wherein the diameter of the sand filter tank (2) is less than or equal to 1 meter.

10. The sand filter tank quick sand-changing mechanism of pure water system according to claim 9, characterized in that the length of the sand filter tank (2) is less than 2 meters.