CN220495793U - Shallow sand filter - Google Patents

Abstract

The utility model discloses a shallow sand filter which comprises a tank body, wherein a water inlet pipe is arranged at the top end of the tank body, a water outlet pipe is arranged at the bottom end of the tank body, and a filler layer is filled in the tank body. According to the utility model, the water outlet pipe is communicated below the tank body, the water inlet pipe is communicated above the tank body, impurities are trapped in the filler layer through the filler layer after water flows are distributed in the tank body, at the moment, water flow medium can collect water under the cooperation of the water collecting pipe and the water collecting head and pass through the water collector to finish circulation, and due to annular distribution of the water collecting pipe, the compression force brought by the filler layer can be dispersed, so that the compression on the water collecting pipe and the water collecting head is reduced under the provision of uniform bottom force, meanwhile, the bottom of the water inlet pipe is communicated with the water outlet pipe through the pipeline, the pipe head and the water outlet pipe, and backwash work can be provided under the installation of the hydraulic valve, so that accumulated impurities are more convenient to clean.

Description

Shallow sand filter

Technical Field

The utility model relates to the technical field of shallow sand filters, in particular to a shallow sand filter.

Background

The shallow sand filter is a side filter and mainly used for filtering circulating water, water supply and wastewater in the industrial field, and has the main working purposes of effectively removing particles and reducing turbidity, when the system is in a filtering state, unfiltered water is uniformly distributed by the water distributor, water passes through a filler layer in the filter in a laminar flow state, and when the water passes through the filler layer, impurities are trapped in the filler layer, so that the filtering work can be completed;

when the shallow sand filter works, as impurities are continuously accumulated in the packing layer, the internal pressure head loss is continuously increased, and the water collecting pipe and the water cap at the bottom are easy to be pressed under the action of accumulation of the packing layer, so that after the water cap is pressed, the bottom circulation is easily influenced, and the damage of internal materials is caused, so that the working efficiency is easily influenced.

Disclosure of Invention

The utility model aims to provide a shallow sand filter, which solves the problem that a water collecting pipe and a water cap at the bottom are easy to be pressed under the action of accumulation of a packing layer in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a shallow sand filter, includes a tank body, the inlet tube is installed on the top of a tank body, the inside packing of a tank body has the packing layer, toughened glass window is installed to the one end of a tank body, one side of inlet tube is connected with the pipe connection, the both ends of pipe connection inner wall all are fixed with the mounting panel, the screen plate is installed to one side of mounting panel, the outlet pipe is installed to the bottom of a tank body, the inside bottom of a tank body is connected with the water collector, the lateral wall of water collector all is connected with the water collecting pipe, the water collecting head is installed on the top of water collecting pipe, the inside intercommunication each other of water collecting pipe and water collector, the water collecting pipe is annular distribution at the lateral wall of water collector about its centre of a circle.

Preferably, the water collecting heads are communicated with the inside of the water collecting pipe, and the water collecting heads are uniformly distributed in the water collecting pipe.

Preferably, the water outlet pipe is communicated with the water collector, the water distribution pipe is arranged at the top end inside the tank body, and the water distribution pipe is communicated with the water inlet pipe.

Preferably, the bottom of the water distribution pipe is provided with a distribution pipe head, the water distribution pipe and the distribution pipe head are communicated with each other, and the distribution pipe heads are uniformly distributed at the bottom of the water distribution pipe.

Preferably, handles are fixed at the top end and the bottom end of one side of the filter screen plate, and the mounting plates are symmetrically distributed relative to the central axis of the pipeline connector.

Preferably, the handles are symmetrically distributed about the central axis of the filter screen plate, and the handles and the frame of the filter screen plate form an integrated structure.

Compared with the prior art, the utility model has the beneficial effects that: the shallow sand filter not only improves the bottom uniform capacity of the shallow sand filter, but also improves the pipeline filtering capacity and water distribution capacity of the shallow sand filter;

(1) Through arranging the water outlet pipe below the tank body in a communicating way, and arranging the water inlet pipe above the tank body in a communicating way, when water flows in the tank body and is distributed, impurities are trapped in the filler layer through the filler layer, at the moment, water flow medium can collect water under the cooperation of the water collecting pipe and the water collecting head and pass through the water collector to finish the circulation, and the water collecting pipe is distributed in a ring shape and can disperse the compression force brought by the filler layer, so that the compression on the water collecting pipe and the water collecting head is reduced under the provision of uniform bottom force, and meanwhile, under the communication of the water outlet pipe, the bottom of the water inlet pipe is communicated with the water outlet pipe through a pipeline, a pipe head and the water outlet pipe, and backwash work can be provided under the installation of a hydraulic valve, so that the accumulated impurities are more convenient to clean;

(2) The pipeline interface is connected to the connecting pipe orifice end of the water inlet pipe, then the mounting plate is fixed on the inner wall of the pipeline interface, the connection and the mounting between the frame of the filter screen plate and the mounting plate are completed through bolts, when the filter screen plate is circulated, the medium can be filtered through the filter screen plate, and when the filter screen plate is disassembled, after the handle is clamped by the clamping tool, the bolts are disassembled to take out the filter screen plate, so that the disassembly and cleaning work after the work is facilitated;

(3) Through installing the water distribution pipe on the inside top of jar body, then accomplish water storage etc. work at first through the intercommunication of inlet tube, then evenly distributed through distributing the tube head, let rivers can be even reach the position of packing layer, strengthened even filtration work in proper order, reduced because concentrate the insufficient phenomenon of filtration that gathers and produce.

Drawings

FIG. 1 is a schematic diagram of a front view of the present utility model;

FIG. 2 is a schematic rear view of the present utility model;

FIG. 3 is a schematic top view of a header of the present utility model;

fig. 4 is a schematic side view of the filter screen plate of the present utility model.

In the figure: 1. a tank body; 2. a water distribution pipe; 3. distributing pipe heads; 4. a water inlet pipe; 5. a pipe interface; 6. a water outlet pipe; 7. a water collector; 8. a water collecting pipe; 9. a filler layer; 10. tempered glass window; 11. a water collecting head; 12. a screen plate; 13. a handle; 14. and (3) mounting a plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, an embodiment of the present utility model is provided: the shallow sand filter comprises a tank body 1, wherein a water inlet pipe 4 is arranged at the top end of the tank body 1, a filler layer 9 is filled in the tank body 1, a toughened glass window 10 is arranged at one end of the tank body 1, one side of the water inlet pipe 4 is connected with a pipeline interface 5, two ends of the inner wall of the pipeline interface 5 are respectively fixed with a mounting plate 14, and a filter screen plate 12 is arranged at one side of the mounting plate 14;

the bottom end of the tank body 1 is provided with a water outlet pipe 6, the bottom end inside the tank body 1 is connected with a water collector 7, the outer side walls of the water collector 7 are all connected with water collecting pipes 8, the top ends of the water collecting pipes 8 are provided with water collecting heads 11, the water collecting pipes 8 are communicated with the inside of the water collector 7, and the water collecting pipes 8 are distributed annularly on the outer side walls of the water collector 7 about the circle centers thereof;

the water collecting heads 11 and the water collecting pipes 8 are mutually communicated, and the water collecting heads 11 are uniformly distributed in the water collecting pipes 8;

the water outlet pipe 6 and the water collector 7 are communicated with each other, the water distribution pipe 2 is arranged at the top end inside the tank body 1, and the water distribution pipe 2 and the water inlet pipe 4 are communicated with each other;

the bottom end of the water distribution pipe 2 is provided with a distribution pipe head 3, the water distribution pipe 2 and the distribution pipe head 3 are communicated with each other, and the distribution pipe heads 3 are uniformly distributed at the bottom end of the water distribution pipe 2;

handles 13 are fixed at the top end and the bottom end of one side of the filter screen plate 12, and mounting plates 14 are symmetrically distributed about the central axis of the pipeline interface 5;

the handles 13 are symmetrically distributed about the central axis of the filter screen plate 12, and the handles 13 and the frame of the filter screen plate 12 form an integrated structure;

further, at the connection position of each pipeline, a separate valve is provided for controlling the opening and closing flow, for example, valves are provided at each position between the water inlet pipe 4 and the water distribution pipe 2, between the water inlet pipe 4 and the water outlet pipe 6, between the water outlet pipe 6 and the water collector 7, etc., and one or more valves are selectively opened to open and close according to the flow direction requirement of actual work.

Working principle: firstly, water flows into the water inlet pipe 4 from the position, then evenly distributes water through the distribution pipe head 3, enables the water to evenly reach the position of the packing layer 9, entraps impurities in the packing layer 9 through the packing layer 9, at the moment, water flows and media can be collected under the cooperation of the water collecting pipe 8 and the water collecting head 11, the water flows and the water collecting device 7 are communicated, meanwhile, under the communication of the water outlet pipe 6, the bottom of the water inlet pipe 4 is communicated with the water outlet pipe 6 through a pipeline, the pipe head and the water outlet pipe 6, backwash work can be controlled and provided under the installation of a hydraulic valve, filtered water is evenly collected and led out, advection is filtered, and water discharging work can be completed at the water outlet pipe 6, so that the process can be circularly operated.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The apparatus embodiments described above are merely illustrative, wherein the elements illustrated as separate elements may or may not be physically separate, and the elements shown as elements may or may not be physical elements, may be located in one place, or may be distributed over a plurality of network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art will understand and implement the present utility model without undue burden.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims (6)

1. The utility model provides a shallow sand filter, includes jar body (1), its characterized in that: inlet tube (4) are installed on the top of jar body (1), the inside packing of jar body (1) has packing layer (9), toughened glass window (10) are installed to the one end of jar body (1), one side of inlet tube (4) is connected with pipe connection (5), the both ends of pipe connection (5) inner wall all are fixed with mounting panel (14), screen plate (12) are installed to one side of mounting panel (14), outlet pipe (6) are installed to the bottom of jar body (1), the inside bottom of jar body (1) is connected with water collector (7), the lateral wall of water collector (7) all is connected with water collecting pipe (8), water collecting head (11) are installed on the top of water collecting pipe (8), the inside intercommunication each other of water collecting pipe (8) and water collector (7), water collecting pipe (8) are annular distribution about its centre of a circle in the lateral wall of water collector (7).

2. A shallow sand filter as claimed in claim 1 wherein: the water collecting heads (11) are communicated with the inside of the water collecting pipe (8), and the water collecting heads (11) are uniformly distributed in the water collecting pipe (8).

3. A shallow sand filter as claimed in claim 1 wherein: the water distribution pipe (2) is arranged at the top end of the inside of the tank body (1), and the water distribution pipe (2) and the water inlet pipe (4) are communicated with each other.

4. A shallow sand filter as claimed in claim 3 wherein: the bottom of the water distribution pipe (2) is provided with a distribution pipe head (3), the water distribution pipe (2) and the distribution pipe head (3) are communicated with each other, and the distribution pipe heads (3) are uniformly distributed at the bottom of the water distribution pipe (2).

5. A shallow sand filter as claimed in claim 1 wherein: handles (13) are fixed at the top end and the bottom end of one side of the filter screen plate (12), and the mounting plates (14) are symmetrically distributed relative to the central axis of the pipeline connector (5).

6. A shallow sand filter as set forth in claim 5 wherein: the handles (13) are symmetrically distributed about the central axis of the filter screen plate (12), and the handles (13) and the frame of the filter screen plate (12) form an integrated structure.