CN212236121U

CN212236121U - Shallow sand filter

Info

Publication number: CN212236121U
Application number: CN202020232819.1U
Authority: CN
Inventors: 苏晓; 杨磊
Original assignee: Shandong Shengyu Environmental Protection Technology Co ltd
Current assignee: Shandong Shengyu Environmental Protection Technology Co ltd
Priority date: 2020-02-28
Filing date: 2020-02-28
Publication date: 2020-12-29
Anticipated expiration: 2030-02-28

Abstract

The utility model relates to the technical field of filters, and a shallow sand filter is disclosed, which comprises a tank body, the quantity of the jar body is three, and is three jar body bottom is provided with the support, the three mount of support top fixedly connected with, three jar body top all is provided with the three-way valve, and is three the three-way valve top is equallyd divide do not communicate with the inlet tube, the oblique below of inlet tube is provided with the blow off pipe, and is three-way valve and blow off pipe side intercommunication, it is three the equal fixedly connected with water-locator in three-way valve bottom. The utility model discloses a make sewage follow the inlet tube and get into the water-locator along the three-way valve, the even jar internal portion that gets into behind the water-locator water distribution of sewage is gone forward, is gone rough when passing through the filter screen and is filtered, then gets into the water cap after filtering by the quartz sand is smart, then joins through outlet pipe one at the water collector and flows from the delivery port to promoted filtration efficiency, made the filter effect better, practiced thrift a large amount of running costs.

Description

Shallow sand filter

Technical Field

The utility model relates to a filter technical field specifically is a shallow sand filter.

Background

The system consists of a plurality of standard high-speed sand cylinder units, a unique water distributor and a unique water collector are arranged in the shallow sand filter, and the system is provided with a unique bidirectional automatic flushing valve, so that the multiple standard high-speed sand cylinders can be subjected to individual backwashing one by one in the normal system operation process and is subjected to full-automatic program control. Has the advantages of small water consumption for back washing, convenient equipment installation, easy operation and the like. The equipment has large flow and does not need maintenance. According to different user requirements, there are two series of vertical type and horizontal type. The filter is suitable for water quality treatment of industrial and civil circulating water systems, at present, domestic requirements on the filter are great, common filters comprise quartz sand filters, activated carbon filters, steel gravity type valveless filters, full-automatic water purifiers, full-automatic horizontal sand cylinder filters and the like, the filter is widely applied to treatment of daily circulating water, water supply and sewage, filter main body media of the filters and the like adopt quartz sand, the purpose of filtering is achieved by means of water flowing through a quartz sand filter material automatically, but most of shallow sand filters are low in filtering efficiency, and therefore a shallow sand filter is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a shallow sand filter reaches the purpose that improves filtration efficiency.

In order to achieve the above object, the utility model provides a following technical scheme: a shallow sand filter comprises a tank body, wherein the number of the tank body is three, a support is arranged at the bottom of three tank bodies, three fixing frames are fixedly connected to the top of the support, three-way valves are arranged at the top of the tank body, the tops of the three-way valves are respectively communicated with a water inlet pipe, a drain pipe is arranged below the water inlet pipe in an inclined manner, the three-way valves are communicated with the side surface of the drain pipe, water distributors are respectively fixedly connected to the bottoms of the three-way valves, the three water distributors respectively penetrate through the tank body and extend to the inside of the tank body, the bottoms of the three tank bodies are respectively connected with a first water outlet pipe, a second water outlet pipe is arranged at the top of the support, the bottoms of the three first water outlet pipes are respectively connected with a second water outlet pipe, a, it is three one top of outlet pipe all is provided with the water collector, and is three the equal fixedly connected with collector pipe in the water collector left and right sides, every the collector pipe top all is provided with the water cap.

Preferably, the three tank bodies are respectively connected with the bracket through three fixing frames.

Preferably, the bottom of the inner wall of the tank body is provided with a quartz sand filter material, and the density of the quartz sand filter material is divided into three layers from small to large.

Preferably, the top of the water inlet pipe is provided with an exhaust valve.

Preferably, the top of the tank body is provided with a supporting block, the top of the supporting block is fixedly connected with a connecting frame, and the connecting frame is uniformly connected with a sewage discharge pipe.

Preferably, the right upper end of the tank body is provided with a manhole I, and the right lower end of the tank body is provided with a manhole II.

Preferably, the top of the tank body is provided with a filter screen.

Preferably, a control box is arranged at the top of the bracket.

The utility model provides a shallow sand filter. The method has the following beneficial effects:

(1) the utility model discloses a make sewage follow the inlet tube and get into the water-locator along the three-way valve, sewage is through the even internal portion of jar that gets into behind the water-locator water distribution, carries out coarse filtration when passing through the filter screen, then gets into the water cap after filtering by quartz sand is smart, then joins through outlet pipe one at the water collector and flows from the delivery port to promoted filtration efficiency, made the filter effect better, practiced thrift a large amount of running costs.

(2) The utility model discloses a set up the control box, make the filtration process move with full-automatic mode, through setting up the jar body into threely for both can only backwash according to jar body order, jar body at every turn, other jar bodies can continue to filter, also can not influence filtration system normal operating when whole jar body backwash, also can filter the clean water of jar as backwashing water by other, in order to prevent that dirty water from flowing back to jar body.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a side view of the present invention;

fig. 3 is a top view of the present invention.

In the figure: 1 tank body, 2 supports, 3 water inlet pipes, 4 sewage discharge pipes, 5 three-way valves, 6 supporting blocks, 7 water distributors, 8 manholes I, 9 fixing frames, 10 control boxes, 11 water collectors, 12 water collecting pipes, 13 water caps, 14 manholes II, 15 water outlet pipes I, 16 water outlets, 17 air vents and 18 water outlet pipes II.

Detailed Description

As shown in fig. 1-3, the utility model provides a technical solution: a shallow sand filter comprises three tank bodies 1, wherein the three tank bodies 1 are respectively connected with a support 2 through three fixing frames 9, quartz sand filter materials are arranged at the bottom of the inner wall of each tank body 1, the density of the quartz sand filter materials is greatly divided into three layers from small to large, sewage flows pass through the quartz sand filter materials to achieve the purpose of filtering, the three layers of the quartz sand filter materials enable the filtering effect to be better, a manhole I8 is arranged at the upper right end of each tank body 1, a manhole II 14 is arranged at the lower right end of each tank body 1, the manhole I8 and the manhole II 14 enable personnel to enter the tanks for overhauling, cleaning and the like, a filter screen is arranged at the top of each tank body 1 and is used for roughly filtering the sewage, the support 2 is arranged at the bottom of each tank body 1, a control box 10 is arranged at the top of each support 2, the control box 10 is arranged, the, so that the backwashing can be carried out according to the sequence of the tank bodies, only one tank body is backwashed each time, other tank bodies can continue to be filtered, or all tank bodies are backwashed, the normal operation of a filtering system is not influenced, or the clean water of other filtering tank bodies can be used as the backwashing water to prevent dirty water from flowing back into the tank body 1 and influencing the normal filtering, the top of the bracket 2 is fixedly connected with three fixing frames 9, the top of each of the three tank bodies 1 is provided with a three-way valve 5, the top of each of the three-way valves 5 is respectively communicated with a water inlet pipe 3, the top of the water inlet pipe 3 is provided with an exhaust valve, the oblique lower part of the water inlet pipe 3 is provided with a sewage discharge pipe 4, the top of each of the three tank bodies 1 is provided with a supporting block 6, the top of each of the three supporting, the three water distributors 7 respectively penetrate through the tank body 1 and extend into the tank body 1, the bottoms of the three tank bodies 1 are respectively connected with a first water outlet pipe 15, the top of the support 2 is provided with a second water outlet pipe 18, the bottoms of the first three water outlet pipes 15 are respectively connected with the second water outlet pipe 18, the right side of the second water outlet pipe 18 is provided with a water outlet 16, the left side of the second water outlet pipe 18 is provided with a vent 17, the tops of the first three water outlet pipes 15 respectively penetrate through the tank body 1 and extend into the tank body 1, the tops of the first three water outlet pipes 15 are respectively provided with a water collector 11, sewage enters the water distributor 7 along a three-way valve 5 through the water inlet pipe 3, uniformly enters the tank body 1 after being distributed by the water distributor 7, is subjected to coarse filtration when passing through a filter screen, then enters a water cap 13 after being subjected to fine filtration by, make the filter effect better, practiced thrift a large amount of running costs, the equal fixedly connected with collector pipe 12 in the three water collector 11 left and right sides, every collector pipe 12 top all is provided with water cap 13.

When the water distributor is used, sewage enters the water distributor 7 along the three-way valve 5 from the water inlet pipe 3, the sewage uniformly enters the tank body 1 after being distributed by the water distributor 7, the sewage is subjected to coarse filtration when passing through the filter screen, then enters the water cap 13 after being subjected to fine filtration by quartz sand, and then is converged by the water collector 11 and flows out from the water outlet 16 through the water outlet pipe I15, after a period of time of working, impurities in the tank body 1 are increased, the pressure of an inner cavity is increased and exceeds a differential pressure set value, the control box 10 controls the water inlet of the three-way valve 5 to close and open a sewage discharge outlet, clean water or filtered water enters the water collector 11 and then enters the tank body 1 through the water cap 13 to wash the quartz sand and the dirt and impurities in the filter screen, and the washed dirt and impurities flow out from the sewage discharge pipe 4 through the.

In conclusion, the utility model can make the sewage enter the water distributor 7 along the three-way valve 5 from the water inlet pipe 3, the sewage uniformly enters the tank body 1 after being distributed by the water distributor 7, the water enters the water cap 13 after being coarsely filtered when passing through the filter screen, then is finely filtered by quartz sand, then is converged in the water collector 11 and flows out from the water outlet 16 through the first water outlet pipe 15, thereby improving the filtering efficiency, leading the filtering effect to be better, saving a large amount of operation cost, leading the filtering process to operate in a full-automatic mode by arranging the control box 10, by arranging three tank bodies 1, the backwashing can be carried out according to the sequence of the tank bodies, only one tank body is backwashed each time, the other tank bodies can continue to filter, and can also be backwashed when all the tank bodies are backwashed, so that the normal operation of the filtering system is not influenced, and clean water of other filtering tanks can be used as backwashing water to prevent dirty water from flowing back into the tank body 1.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a shallow sand filter, includes jar body (1), its characterized in that: the number of the tank bodies (1) is three, the bottoms of the three tank bodies (1) are provided with supports (2), the tops of the supports (2) are fixedly connected with three fixing frames (9), the tops of the three tank bodies (1) are provided with three-way valves (5), the tops of the three-way valves (5) are respectively communicated with a water inlet pipe (3), a drain pipe (4) is arranged below the water inlet pipe (3) in an inclined manner, the three-way valves (5) are communicated with the side surface of the drain pipe (4), the bottoms of the three-way valves (5) are respectively and fixedly connected with water distributors (7), the three water distributors (7) respectively penetrate through the tank bodies (1) and extend into the tank bodies (1), the bottoms of the three tank bodies (1) are respectively connected with a first water outlet pipe (15), the tops of the supports (2) are provided with a second water outlet pipe (18), and the, two (18) right sides of outlet pipe are provided with delivery port (16), two (18) left sides of outlet pipe are provided with drain (17), and are three inside the outlet pipe (15) top was equallyd divide and is do not run through jar body (1) and extend to jar body (1), it is three one (15) top of outlet pipe all is provided with water collector (11), three equal fixedly connected with collector pipe (12), every in water collector (11) the left and right sides collector pipe (12) top all is provided with water cap (13).

2. The shallow sand filter of claim 1, wherein: the three tank bodies (1) are respectively connected with the bracket (2) through three fixing frames (9).

3. The shallow sand filter of claim 1, wherein: the bottom of the inner wall of the tank body (1) is provided with a quartz sand filter material, and the density of the quartz sand filter material is divided into three layers from small to large.

4. The shallow sand filter of claim 1, wherein: an exhaust valve is arranged at the top of the water inlet pipe (3).

5. The shallow sand filter of claim 1, wherein: the tank is characterized in that supporting blocks (6) are arranged at the tops of the tank bodies (1) respectively, the supporting blocks (6) are arranged at the tops of the supporting blocks (6) and are connected with connecting frames, and the connecting frames are fixedly connected with a sewage discharge pipe (4).

6. The shallow sand filter of claim 1, wherein: the upper right end of the tank body (1) is provided with a manhole I (8), and the lower right end of the tank body (1) is provided with a manhole II (14).

7. The shallow sand filter of claim 1, wherein: the top of the tank body (1) is provided with a filter screen.

8. The shallow sand filter of claim 1, wherein: the top of the bracket (2) is provided with a control box (10).