CN218221477U - Sand-water separator for sewage treatment - Google Patents

Abstract

The utility model discloses a sand-water separator for sewage treatment, which comprises a spiral conveyor connected with a water tank, wherein a water filtering device is arranged on the spiral conveyor; the water filtering device comprises an outer water collecting tank, water filtering holes and a drainage pipe; the bottom surface of the shell of the spiral conveyor is provided with a plurality of water filtering holes, the outer water collecting tank which is parallel to the shell of the spiral conveyor is detachably arranged below the shell of the spiral conveyor, and the lower end of the outer water collecting tank is provided with the drainage pipe; and a blockage removing device is arranged between the outer water collecting tank and the water filtering hole. According to the spiral conveyor, the water filtering holes with longer areas are formed in the spiral conveyor, so that sewage in the sand can be quickly and thoroughly filtered to the outside of the spiral conveyor in the process of lifting and conveying the sand; and the blockage cleaning brush is arranged to dredge the water filtering holes, so that normal water filtering of the water filtering holes is guaranteed.

Description

Sand-water separator for sewage treatment

Technical Field

The utility model relates to a sewage treatment device field especially relates to a sand-water separator for sewage treatment.

Background

The sand-water separator is a necessary device in the sewage treatment grit chamber and is used for separating sand and water in the mixed liquid discharged from the grit chamber. At present, a spiral sand-water separator is commonly used, the spiral sand-water separator has high separation efficiency, sand deposited in a U-shaped groove at the bottom of a water tank is lifted to a position above the liquid level through a spiral blade on a screw, and finally the sand is discharged from a discharge port at the top end of a feeding pipe extending out of the water tank. However, in the actual working process, gravel and sewage are usually lifted simultaneously under the driving of the spiral blades, and in the lifting process, the sewage between the adjacent spiral blades is not convenient to discharge, and in the process of returning the sewage to the water tank, the sewage is inevitably mixed with the gravel conveyed at the rear, which results in high water content of the lifted gravel, not only consumes more conveying power, but also is inconvenient for the subsequent treatment work of the gravel. In order to solve the problems, the scheme provides the sand-water separator for sewage treatment.

Disclosure of Invention

In view of the above-mentioned drawbacks and deficiencies of the prior art, it would be desirable to provide a sand-water separator for sewage treatment.

According to the technical scheme provided by the embodiment of the application, the sand-water separator for sewage treatment comprises a spiral conveyor connected with a water tank, wherein a water filtering device is arranged on the spiral conveyor; the water filtering device comprises an outer water collecting tank, water filtering holes and a drainage pipe; the bottom surface of the shell of the spiral conveyor is provided with a plurality of water filtering holes, the outer water collecting tank which is parallel to the shell of the spiral conveyor is detachably arranged below the shell of the spiral conveyor, and the lower end of the outer water collecting tank is provided with the drainage pipe; and a blockage removing device is arranged between the outer water collecting tank and the water filtering hole.

In the utility model provides a pair of sand water separator for sewage treatment's a preferred embodiment, the downthehole filter screen that is equipped with of drainage.

In a preferred embodiment of the sand-water separator for sewage treatment provided by the utility model, the blockage removing device comprises an electric linear sliding table and a blockage removing brush; the electric linear sliding table is arranged along the length direction of the inner wall of one side of the outer water collecting tank, and a sliding seat of the electric linear sliding table is connected with the blockage cleaning brush.

In the utility model provides a pair of sand water separator for sewage treatment's a preferred embodiment, clear stifled brush is the arc structure corresponding with screw conveyer's casing periphery, just clear stifled brush is located screw conveyer's below.

The utility model provides a pair of sand water separator for sewage treatment's a preferred embodiment, one side of outer water catch bowl is connected through pivot and screw conveyer are articulated, and the opposite side is connected with screw conveyer through dismantling the mounting.

The utility model provides a pair of sand water separator for sewage treatment in the preferred embodiment, the both ends of outer water catch bowl are equipped with the link, and are equipped with the bearing peg between sand water separator's both sides support body and the link.

In the utility model provides a pair of sand water separator for sewage treatment's a preferred embodiment, outer water catch bowl is transparent.

To sum up, the beneficial effect of this application: the spiral conveyor is provided with the water filtering holes with longer areas, so that sewage in the sand can be quickly and thoroughly filtered to the outside of the spiral conveyor in the process of lifting and conveying the sand; and the blockage cleaning brush is arranged to dredge the water filtering holes, so that normal water filtering of the water filtering holes is guaranteed.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:

FIG. 1 is a schematic front view of the first embodiment;

fig. 2 is a schematic side sectional view of a horizontal screw conveyor according to an embodiment of the present invention.

The reference numbers in the figures: 1. the device comprises a spiral conveyor, 2. An outer water collecting tank, 3. A water filtering hole, 4. A drainage port, 5. An electric linear sliding table, 6. A blockage cleaning brush, 7. A rotating shaft, 8. A hanging ring and 9. A bearing hanging rod.

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 efforts belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

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

The first embodiment is as follows:

as shown in fig. 1 and 2, the sand-water separator for sewage treatment comprises a spiral conveyor 1 connected with a water tank, wherein a water filtering device is arranged on the spiral conveyor 1; the water filtering device comprises an outer water collecting tank 2, water filtering holes 3 and a drainage pipe 4; the bottom surface of the shell of the spiral conveyor 1 is provided with a plurality of water filtering holes 3, a filter screen is arranged in each filtering hole 3 for filtering sand, the outer water collecting tank 2 which is parallel to the shell of the spiral conveyor 1 is detachably arranged below the shell of the spiral conveyor 1, and the lower end of the outer water collecting tank 2 is provided with the drainage pipe 4; and a blockage removing device is arranged between the outer water collecting tank 2 and the water filtering hole 3.

After the sewage enters the water tank, sand in the sewage is gradually deposited inside the screw conveyor 1 and is lifted and conveyed out of the screw conveyor 1 by the screw auger blade; the spiral conveyor 1 is provided with the drainage holes 3 at the bottom of the shell of the spiral conveyor 1, the sand and the sewage can be directly discharged out of the spiral conveyor 1 from the nearby drainage holes 3 in the lifted process, flow into the external water collecting tank 2 and then be discharged out through the drainage pipe 4, and cannot be mixed with the sand conveyed behind again in the process of flowing back to the water tank, the spiral conveyor 1 is provided with the drainage holes 3 with a longer area, so that the filtering time of the sewage can be prolonged, and the sewage in the spiral conveyor 1 can be quickly and completely discharged out of the spiral conveyor 1 when the spiral conveyor 1 conveys the sand.

In this embodiment, the blockage removing device comprises an electric linear sliding table 5 and a blockage removing brush 6; the electric linear sliding table 5 is arranged along the length direction of the inner wall of one side of the outer water collecting tank 2, and a sliding seat of the electric linear sliding table 5 is connected with the blockage cleaning brush 6; the blockage cleaning brush 6 is of an arc-shaped structure corresponding to the periphery of the shell of the spiral conveyor 1, and the blockage cleaning brush 6 is located below the spiral conveyor 1. In the process of conveying sand by the spiral conveyor 1, as the sewage contains floaters and other impurities, the filter screen in the water filtering holes 3 can be blocked, the electric linear sliding table 5 can drive the blocking brush 6 to do reciprocating linear motion to brush the blocked pollutants on the filter screen for multiple times, the normal water filtering of the water filtering holes 3 is guaranteed, and when the blocking work is not performed, the blocking brush 6 can be moved to one end of the electric linear sliding table 5, so that the influence on the drainage of the water filtering holes 3 under part of the water filtering holes 3 is avoided.

In this embodiment, one side of the outer water collecting tank 2 is hinged to the screw conveyor 1 through the rotating shaft 7, and the other side is connected to the screw conveyor 1 through a detachable fixing member such as a single-side bolt. After the fixing piece is disassembled, the outer water collecting tank 2 can be opened through the rotation of the rotating shaft 7, so that the electric linear sliding table 5 inside the outer water collecting tank can be conveniently overhauled or cleaned by workers to replace the blockage cleaning brush 6.

In this embodiment, two ends of the outer water collecting tank 2 are provided with hanging rings 8, and a bearing hanging rod 9 is arranged between the hanging rings 8 and the frame bodies on two sides of the sand-water separator; the bearing hanging rod 9 is used for bearing the weight of the outer water collecting tank 2 and the internal sewage, and the phenomenon that the weight of the outer water collecting tank 2 is completely pressed on the screw conveyor 1 to cause the deformation of the shell of the screw conveyor 1 and influence the service life of the shell is avoided.

In this embodiment, the outer water collecting tank 2 is transparent; the staff can observe the internal state of the water collecting tank 2 conveniently.

The foregoing description is only exemplary of the preferred embodiments of the application and is provided for the purpose of illustrating the general principles of the technology and the like. Meanwhile, the scope of the invention according to the present application is not limited to the technical solutions in which the above technical features are combined in particular, and also covers other technical solutions in which the above technical features or their equivalent features are combined arbitrarily without departing from the inventive concept. For example, the above features may be interchanged with other features disclosed in this application, but not limited to those having similar functions.

Claims (7)

1. The utility model provides a sand water separator for sewage treatment, includes screw conveyer (1) of being connected with the water tank, its characterized in that: a water filtering device is arranged on the spiral conveyor (1); the water filtering device comprises an outer water collecting tank (2), water filtering holes (3) and a drainage pipe (4); a plurality of water filtering holes (3) are formed in the bottom surface of the shell of the spiral conveyor (1), the outer water collecting tank (2) which is parallel to the spiral conveyor (1) is detachably mounted below the shell of the spiral conveyor (1), and the drainage pipe (4) is arranged at the lower end of the outer water collecting tank (2); and a blockage removing device is arranged between the outer water collecting tank (2) and the water filtering holes (3).

2. The sand-water separator for sewage treatment as claimed in claim 1, wherein: a filter screen is arranged in the water filtering hole (3).

3. The sand-water separator for sewage treatment as claimed in claim 1, wherein: the blockage clearing device comprises an electric linear sliding table (5) and a blockage clearing brush (6); the edge one side inner wall length direction of outer water catch bowl (2) is equipped with electronic sharp slip table (5), the slide of electronic sharp slip table (5) is connected clear stifled brush (6).

4. A sand-water separator for sewage treatment according to claim 3, characterized in that: the blockage cleaning brush (6) is of an arc-shaped structure corresponding to the periphery of the shell of the spiral conveyor (1), and the blockage cleaning brush (6) is located below the spiral conveyor (1).

5. The sand-water separator for sewage treatment as claimed in claim 1, wherein: one side of the outer water collecting tank (2) is hinged with the screw conveyor (1) through a rotating shaft (7), and the other side of the outer water collecting tank is connected with the screw conveyor (1) through a detachable fixing piece.

6. The sand-water separator for sewage treatment as claimed in claim 2, wherein: two ends of the outer water collecting tank (2) are provided with hanging rings (8), and a bearing hanging rod (9) is arranged between the two side frame bodies of the sand-water separator and the hanging rings (8).

7. The sand-water separator for sewage treatment as claimed in claim 1, wherein: the outer water collecting tank (2) is transparent.

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