Sand accumulation prevention flushing device

Abstract

The utility model belongs to the technical field of sewage treatment application, and particularly discloses a sand accumulation prevention flushing device which comprises a group of supporting plates, supporting plate through holes formed in the supporting plates respectively, a sand flushing pipe with the two ends penetrating through the supporting plate through holes respectively, and a threaded connector and a choke plug which are arranged at the two ends of the sand flushing pipe respectively. The plurality of punched holes are formed in one surface of the sand washing pipe; wherein the threaded connector is used for being externally connected with a flushing water supply pipe / air supply pipe. The sewage treatment grid has the beneficial effects that 1, the front end of the sewage treatment grid is horizontally mounted at the bottom of the canal, the screwed joint is externally connected with the flushing water supply pipe / air supply pipe, and gravel or silt at the bottom of the canal is flushed by using the wavy punched holes, so that the gravel or silt is prevented from being accumulated at the front end of the sewage treatment grid; and 2, through the design of a supporting plate arc-shaped through groove, an adjusting connecting plate, an adjusting connecting plate through hole, a screw rod and a screw rod limiting nut, the adjusting connecting plate can be used for carrying out corresponding flushing angle adjustment on the sand flushing pipe, and efficient flushing action is achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of sewage treatment application, and in particular relates to a sand accumulation prevention flushing device, which is used for preventing sand or silt from accumulating in front of a sewage treatment grid. Background Art

[0002] The sewage treatment grid is a special water treatment equipment that can continuously and automatically intercept and remove various shapes of debris in the fluid, and can be widely used in urban sewage treatment.

[0003] In actual applications, when sewage flows in the water supply ditch, it will bring sand or mud at the bottom of the ditch to the front bottom of the sewage treatment grille and accumulate. This will affect the components of the sewage treatment grille, affecting its safety and lifespan, and also affecting the operating efficiency of the sewage treatment grille.

[0004] Therefore, based on the above problems, the utility model provides a sand accumulation prevention and flushing device. Utility Model Content

[0005] Purpose of the utility model: The purpose of the utility model is to provide a sand accumulation prevention flushing device to solve the technical problem of sand or silt accumulation in the working process of the sewage treatment grid in the prior art.

[0006] Technical solution: The utility model of the sand accumulation prevention flushing device includes a group of support plates, and support plate through holes respectively arranged in the support plates, and sand flushing pipes with both ends respectively penetrating the support plate through holes, and threaded joints and blind ends respectively arranged at both ends of the sand flushing pipes, and a plurality of punching holes arranged in one side of the sand flushing pipe; wherein the threaded joints are used for externally connecting to a flushing water supply pipe / air supply pipe.

[0007] In the technical solution, the sand accumulation prevention and flushing device also includes a sand retaining plate whose two ends are respectively connected to the inner walls of the opposite surfaces of the support plate, and a sand retaining plate opening arranged on the inclined surface of the sand retaining plate; wherein the sand retaining plates are respectively welded to the inner walls of the support plates, and the sand flushing pipe is located in the sand retaining plate opening.

[0008] In the technical solution of the present invention, the sand accumulation prevention and flushing device also includes support plate fixing screw holes respectively arranged in one end of the support plate, and support plate arcuate through grooves respectively symmetrically arranged on the outer wall of the support plate through hole, and adjusting connecting plates respectively fixedly arranged at both ends of the sand flushing pipe, and adjusting connecting plate through holes respectively arranged in the symmetrical center line of the adjusting connecting plate, and adjusting connecting plate screw holes respectively arranged in the end surfaces of both ends of the adjusting connecting plate, and screws and screw limiting nuts that fix and assemble the adjusting connecting plate and the sand flushing pipe through the adjusting connecting plate screw holes and the support plate arcuate through grooves.

[0009] In the technical solution of the present invention, the support plate is configured as an L-shaped structure.

[0010] Compared with the prior art, the beneficial effects of the sand accumulation prevention flushing device of the utility model are: 1. The front end of the sewage treatment grille is installed horizontally at the bottom of the channel, and the flushing water supply pipe / air supply pipe is connected to the outside through the threaded joint. The sand or mud at the bottom of the channel is flushed by the wave-shaped punching holes to prevent accumulation at the front end of the sewage treatment grille; 2. Through the design of the arc-shaped through groove of the support plate, the adjusting connecting plate, the adjusting connecting plate through hole, the screw and the screw limit nut, the adjusting connecting plate can be used to adjust the flushing angle of the sand flushing pipe to achieve efficient flushing action; 3. The constituent components are respectively made of stainless steel, which is durable, has a long service life, and is easy to promote. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0012] Figure 1 It is a schematic diagram of the main structure of the sand accumulation prevention and flushing device of the utility model;

[0013] Figure 2 It is a right view structural schematic diagram of the sand accumulation prevention and flushing device of the utility model;

[0014] Figure 3 It is a schematic diagram of the main structure of the sand flushing pipe and the like of the sand accumulation prevention and flushing device of the utility model;

[0015] Figure 4a , 4b They are the right view structural diagram and the front view structural diagram of the sand retaining plate respectively;

[0016] Figure 5a , 5b They are respectively a right view structural schematic diagram and a front view structural schematic diagram of the adjustment connecting plate;

[0017] Figure 6a , 6b 6c are respectively a right view structural schematic diagram, a front view structural schematic diagram, and a top view structural schematic diagram of the support plate;

[0018] Figure 7a , 7b 7c are schematic diagrams of the adjustment angle structure of the sand accumulation prevention and flushing device of the present invention;

[0019] Among them, the serial numbers in the figure are as follows: 10 support plate, 11-support plate through hole, 12-sand retaining plate, 13-sand flushing tube, 14-punching hole, 15-thread joint, 16-blind head, 17-adjusting connecting plate, 18-sand retaining plate opening, 19-adjusting connecting plate screw hole, 20-support plate arc groove, 21-adjusting connecting plate through hole, 22-support plate fixing screw hole, 23-screw, 24-screw limiting nut. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0021] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "top", "bottom", "one side", "the other side", "front", "back", "middle part", "inside", "top end", "bottom end", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present invention; the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance; in addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a communication between the two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0022] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0023] Embodiment 1

[0024] like Figure 1 , Figure 2 , Figure 3 , Figure 4a , 4b , Figure 5a , Figure 5b , Figure 6a , Figure 6b , Figure 6c , Figure 7a , Figure 7b and Figure 7c The sand accumulation prevention and flushing device shown in the figure comprises a set of support plates 10, support plate through holes 11 respectively arranged in the support plates 10, and sand flushing pipes 13 respectively passing through the support plate through holes 11 at both ends, and threaded joints 15 and blind ends 16 respectively arranged at both ends of the sand flushing pipe 13, and a plurality of punching holes 14 arranged in one side of the sand flushing pipe 13;

[0025] Among them, the punching holes 14 are set to a waist-shaped structure and are evenly distributed in a wave shape on one side of the sand flushing pipe 13. The threaded joint 15 is used for external flushing water supply pipe / air supply pipe. The water supply pipe / air supply pipe is not marked in the figure, which does not affect the disclosure of the technical solution of this application.

[0026] Embodiment 2

[0027] On the basis of the first embodiment, the sand accumulation prevention and flushing device further includes a sand retaining plate 12 whose two ends are respectively connected to the inner wall of the opposite surface of the support plate 10, and a sand retaining plate opening 18 provided on the inclined surface of the sand retaining plate 12;

[0028] Among them, the sand retaining plates 12 are welded to the inner walls of the support plates 10 respectively, and the sand flushing pipe 13 is located in the opening 18 of the sand retaining plate. In this way, after flushing, sand or mud can be prevented from entering the front working surface of the sewage treatment grid, thereby playing a corresponding protective role.

[0029] Embodiment 3

[0030] On the basis of the first or second embodiment, the sand accumulation prevention flushing device further includes a support plate fixing screw hole 22 respectively arranged in one end of the support plate 10, and a support plate arcuate through groove 20 respectively symmetrically arranged on the outer wall of the support plate through hole 11, and an adjustment connecting plate 17 respectively fixedly arranged at both ends of the sand flushing tube 13, and an adjustment connecting plate through hole 21 respectively arranged in the symmetrical center line of the adjustment connecting plate 17, and an adjustment connecting plate screw hole 19 respectively arranged in the end surface of both ends of the adjustment connecting plate 17, and a screw 23 and a screw limit nut 24 respectively fixedly assembling the adjustment connecting plate 17 and the sand flushing tube 13 through the adjustment connecting plate screw hole 19 and the support plate arcuate through groove 20;

[0031] Among them, the sand flushing pipe 13 is rotated and adjusted by 0-30° in the through hole 11 of the support plate to realize the long / short angle flushing of the sand or mud accumulated at the bottom of the channel. In this working state, the screw 23 and the screw limit nut 24 are not locked, and intermittent adjustment of the air pressure or water pressure entering the sand flushing pipe 13 can be achieved (the screw 23 and the screw limit nut 24 can also be locked to realize fixed angle flushing).

[0032] In addition, the preferred support plate 10 is set to an L-shaped structure to achieve a stable horizontal support installation of the sand flushing pipe 13, etc., which is suitable for installation at the bottom of the ditch.

[0033] The working principle or structural principle of the sand accumulation prevention and flushing device of this structure:

[0034] During operation, firstly, the water supply pipe / air supply pipe (not shown in the figure, which does not affect the disclosure of the technical solution of the present application) is connected to the threaded joint 15, and then the sand flushing pipe 13 is supplied with constant water / air supply or non-constant water / air supply through the threaded joint 15, and finally the flushing water / flushing air is sprayed out through a number of punching holes 14 to flush the sand or mud accumulated at the bottom of the channel in front of the sewage treatment grille, and at the same time, the sand retaining plate 12 plays a corresponding sand retaining role.

[0035] It should be noted that, in this article, terms such as "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of more restrictions, an element defined by the sentence "comprises a ..." does not exclude the existence of other identical elements in the process, method, article or device including the element.

[0036] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. Anti-sand accumulation flushing device, characterized by: It comprises a group of support plates (10), support plate through holes (11) respectively arranged in the support plates (10), sand flushing pipes (13) with both ends respectively penetrating the support plate through holes (11), threaded joints (15) and blind ends (16) respectively arranged at both ends of the sand flushing pipe (13), and a plurality of punching holes (14) arranged in one side of the sand flushing pipe (13); The threaded connector (15) is used for externally connecting a flushing water supply pipe / air supply pipe.

2. The sand accumulation prevention and flushing device according to claim 1 is characterized in that: The sand accumulation prevention and flushing device also includes a sand retaining plate (12) whose two ends are respectively connected to the inner walls of the opposite surfaces of the support plate (10), and a sand retaining plate opening (18) arranged on the inclined surface of the sand retaining plate (12); The sand retaining plates (12) are respectively connected to the inner wall of the support plate (10) by welding, and the sand flushing pipe (13) is located in the opening (18) of the sand retaining plate.

3. The sand accumulation prevention and flushing device according to claim 1 or 2, characterized in that: The sand accumulation prevention and flushing device also includes a support plate fixing screw hole (22) respectively arranged in one end of the support plate (10), and a support plate arcuate through groove (20) respectively symmetrically arranged on the outer wall of the support plate through hole (11), and an adjustment connecting plate (17) respectively fixedly arranged at both ends of the sand flushing pipe (13), and an adjustment connecting plate through hole (21) respectively arranged in the symmetrical center line of the adjustment connecting plate (17), and an adjustment connecting plate screw hole (19) respectively arranged in the end surface of both ends of the adjustment connecting plate (17), and a screw rod (23) and a screw rod limiting nut (24) respectively fixedly assembling the adjustment connecting plate (17) and the sand flushing pipe (13) through the adjustment connecting plate screw hole (19) and the support plate arcuate through groove (20).

4. The sand accumulation prevention and flushing device according to claim 3 is characterized in that: The support plate (10) is configured as an L-shaped structure.

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