CN201295557Y

CN201295557Y - High speed thin layer filter

Info

Publication number: CN201295557Y
Application number: CNU2008201541033U
Authority: CN
Inventors: 周岳伟
Original assignee: SHANGHAI TONGLAN ENTIRONMENT-FRIENDLY Co Ltd
Current assignee: SHANGHAI TONGLAN ENTIRONMENT-FRIENDLY Co Ltd
Priority date: 2008-10-16
Filing date: 2008-10-16
Publication date: 2009-08-26
Anticipated expiration: 2018-10-16

Abstract

The utility model discloses a high speed thin layer filter. An annular water distributor is arranged at the top part of a filtering tank body; a stainless steel wire is wound around the annular water distributor; a central base is fixed at the bottom part of a lower head of the filtering tank body; the lower end of the head is communicated with an outfall sewer through a water outlet pipe; the central base is provided with more than two layers of water collection filter tubes; a plurality of a mushroom head-shaped filter caps are uniformly installed on the water collection filter tubes; a back flush control valve is installed on a water inlet pipe; a blow down main pipe is arranged on the side surface of the water inlet pipe; and a back flush control valve is arranged on the blow down main pipe. The utility model provides the high speed thin layer filter to overcome the shortcomings of high back flush resistance, complex structure and high energy consumption of the traditional filter. The high speed thin layer filter adopts a thin material filtering layer to reduce back flush resistance, energy consumption and volume. The utility model has the advantages of low filtering resistance, quick and thorough back flush with water use ratio of 0.8-1.2%, water and energy conservation, convenient maintenance, simple tubing, small device and light weight.

Description

High speed thin bed filtration device

Technical field

The utility model relates to a kind of novel high speed thin bed filtration device, this high speed thin bed filtration device is according to the application scenario difference, quartz sand, ceramic filter material, metal filtrate etc. can be loaded, the various occasions that filtration needs is arranged such as recirculated water filtration, reusing sewage filtration, raw water filtration, the preliminary treatment of film system can be widely used in.

Background technology

Filter is widely used in various industrial production field, conventional widely apply mainly contain mechanical filter, valveless water filter device etc., the Chinese patent that " publication number is that CN2461913Y, name are called the water processor machinery filter " arranged, its structure is, form by the filter bed in filtering container and the container, the filtrate on the filter bed, filtering container is a jar shape, water inlet pipe is arranged at top, outlet pipe is arranged at the bottom, the jar center is equipped with vertical agitating device, the filter bed of jar bottom is a sand filter bed, and the filtrate on the filter bed is a walnut shell filtering material, and the top in jar is provided with agitating device.

The major defect that above-mentioned filter exists has: one, filter material layer is up to 1200-1800mm, and the head drag losses is big during filtration, and is not energy-conservation; Two, backwash is consuming time reaches 15-25 minute, and the recoil water consumption is not economized on water than up to 5-10%; Three, pipe arrangement complexity, the cost height; Four, equipment is huge, needs special equipment foundation of civil work, the maintenance work complexity; Five, filtrate is changed complicated.

At the defective of above-mentioned conventional filtration device, be necessary to develop that a kind of filtration resistance is little, recoil water consumption low, the simple novel high speed thin bed filtration of equipment installation and maintenance device.

Summary of the invention

The technical problem that the utility model mainly solves is,, complex structure big at conventional filter recoil resistance, the shortcoming that energy consumption is high provide a kind of new high speed thin bed filtration device, adopt the thin layer filter material layer to alleviate the recoil resistance, cut down the consumption of energy, and reduce volume.

A kind of high speed thin bed filtration device, comprise the filtering tank body, filter material layer, support the leg of filtering tank body, one manhole respectively is set on the low head on the filtering tank body, be characterized in, thin filter material layer is loaded in filtering tank body bottom, filtering tank body upper end is provided with a water inlet pipe and is communicated with water inlet manifold, filtering tank body inner top is provided with a stainless steel wire and twines the ring-type water-locator, the low head inner bottom part of filtering tank body is fixed a centre mount, the end socket lower end is communicated with outfall sewer by an outlet pipe, centre mount is provided with the chimney filter that catchments more than two layers, catchment several mushroom head filter caps evenly are installed on the chimney filter, formation is from water inlet manifold, successively via water inlet pipe, stainless steel wire twines the ring-type water-locator, filter material layer, mushroom head filter cap, the filtration channel of outlet pipe, a recoil control valve is installed on the water inlet pipe, the water inlet pipe side is provided with a blowdown main, also establishes a recoil control valve on the blowdown main.

Manhole is used for loading and unloading quickly and easily filtrate; The resistance that the thin layer filter material layer reduces to recoil is convenient to clean; Stainless steel wire twines and runs husky defective when the ring-type water-locator can thoroughly be avoided water-locator recoil in the past; Compare with dull and stereotyped filter bed in the past, the chimney filter that catchments filter cap adopts sandwich construction, the chimney filter that catchments simultaneously adopts the design of pressure compensation reducing, and (caliber near centre mount is big, caliber away from centre mount is little), be not easy to form the dead band, drainage capacity improves greatly, form countless interior circulation bumpy flows during recoil, reduce water consumption, only need low amounts of water to clean up, reach the effect of water saving.

The described chimney filter that catchments is two layers, evenly is arranged in parallel equidistant three mushrooms filter cap that are provided with on the every chimney filter that catchments up and down.According to the difference of situations such as use occasion, also can adopt three layers or four layers, the mushroom head filter cap on each chimney filter that catchments also can according to circumstances need to arrange varying number.

Described filter material layer is one or more the inserts in quartz sand, ceramic filter material, the metal filtrate.

As a kind of preferable scheme, described thin filter material layer is selected the thickness range of 350-450mm for use.

In order to make the current circulation more smooth and easy, described water inlet manifold is provided with an air bleeding valve.

During use, several high speed thin bed filtration devices can be connected in parallel on water inlet manifold, outfall sewer and the blowdown main, concrete quantity is determined corresponding installation form according to the flow that filters, the layout in place etc.

Use flow process: open the recoil control valve on the water inlet pipe, close the recoil control valve on the blowdown main, former water enters from water inlet manifold, twine the ring-type water-locator through water inlet pipe and stainless steel wire, in the filtering tank body interior, the suspended contamination in the water is removed in the filtration of the bed of material after filtration, purifying waste water after filtering from outlet pipe, outfall sewer discharge.

When pressure reduction or recoil time arrive, when system enters recoil cleaning state, close the control valve on the water inlet pipe, open the control valve on the blowdown main, from the recoil water inlet of filtering tank body bottom, the dirt that is trapped on the filter material layer is rinsed well, discharged, can enter the filtration state then from blowdown main.

The utlity model has following advantage: 1. filter course filtrate thickness is only established 350-450mm, and filtration resistance is little, and the recoil flow only needs 35m ³/ h, the recoil time short (only needing 90-120s); 2. double-deck chimney filter filter cap is adopted in the bottom, forms countless interior circulation whirlpools during recoil, and recoil is clean fast, and the recoil water consumption is saved water and energy than a 0.8-1.2%; 3. manhole can load and unload filtrate easily and fast up and down, and is easy to maintenance; 4. pipe arrangement is simple, only needs to install top water inlet manifold, blowdown main and bottom outfall sewer, each jar only need supporting 1 triple valve or 2 butterfly valves just can, installation and maintenance work is simple; 5. equipment is small and exquisite, and is in light weight, do not need thick and heavy foundation of civil work and tall and big room, and the civil engineering support expense is low, especially is fit to the occasion of the indoor installation of needs; 6. according to filtering the water yield and field condition, can carry out flexibly different being installed in parallel distribution form to adapt to various occasions.

Fig. 1 is an overall structure schematic diagram of the present utility model;

Fig. 2 is the schematic diagram after several the utility model parallel connections.

Description of symbols among the figure

1---filtering tank body 2---filter material layer

3---leg 4,4 '---manhole

5---water inlet pipe 6---water inlet manifold

7---stainless steel wire twines ring-type water-locator 8---end socket

9---centre mount 10---outlet pipe

11---outfall sewers 12,12 '---catchment chimney filter

13,13 '---mushroom head filter cap 14,14 '---recoil control valve

15---blowdown main 16,16 ', 16 "---high speed thin bed filtration device

The specific embodiment

As shown in Figure 1, a kind of high speed thin bed filtration device, comprise filtering tank body 1, filter material layer 2, support the leg 3 of filtering tank body, low head respectively is provided with a manhole 4 on the filtering tank body 1,4 ', thin filter material layer 2 is loaded in filtering tank body 1 bottom, filtering tank body 1 upper end is provided with a water inlet pipe 5 and is communicated with water inlet manifold 6, water inlet pipe 5 lower port are provided with a stainless steel wire and twine ring-type water-locator 7, the lower end of filtering tank body 1 is provided with an end socket 8, a centre mount 9 is fixed in end socket 8 upper ends, end socket 8 lower ends are communicated with outfall sewer 11 by an outlet pipe 10, centre mount 9 is provided with the two layers of chimney filter 12 that catchments, 12 ', chimney filter 12 catchments, 12 ' goes up several mushroom head filter caps 13 of evenly installation, 13 ', every layer well-balanced is equipped with 9 chimney filters 12 that catchment, 12 ', the every chimney filter 12 that catchments, 3 mushroom head filter caps 13 are housed on 12 ', 13 ', centre mount 9 is equipped with 1 mushroom head filter cap, formation is from water inlet manifold 6, successively via water inlet pipe 5, stainless steel wire twines ring-type water-locator 7, filter material layer 2, mushroom head filter cap 13,13 ', the filtration channel of outlet pipe 10, a recoil control valve 14 is installed on the water inlet pipe 5, water inlet pipe 5 sides are provided with a blowdown main 15, also establish a recoil control valve 14 ' on the blowdown main 15.

Manhole 4,4 ' is used for loading and unloading quickly and easily filtrate; The resistance that filter material layer 2 reduces to recoil is convenient to clean; Stainless steel wire twines and runs husky defective when ring-type water-locator 7 can thoroughly be avoided water-locator recoil in the past; Compare with dull and stereotyped filter bed in the past, the chimney filter 12,12 ' that catchments adopts sandwich construction, and the chimney filter 12,12 ' that catchments adopts the pressure compensation design, be not easy to form the dead band, drainage capacity improves greatly, forms countless interior circulation bumpy flows during recoil, reduces water consumption, only need low amounts of water to clean up, reach the effect of water saving.

In the present embodiment, according to the difference of situations such as use occasion, also can adopt three layers or the four layers chimney filter 12,12 ' that catchments, the mushroom head filter cap 13,13 ' on each chimney filter 12 of catchmenting, 12 ' also can according to circumstances need to arrange varying number.

Described filter material layer 2 is the inserts of the one or more combination in quartz sand, ceramic filter material, the metal filtrate.

As a kind of preferable scheme, described thin filter material layer 2 is selected the thickness range of 350-450mm for use.

As shown in Figure 2, during use, with three high speed thin

bed filtration devices

16,16 ', 16 " be connected in parallel on water inlet manifold 6, outfall sewer 11 and the blowdown main 15.

In order to make the current circulation more smooth and easy, described water inlet manifold 6 is provided with an air bleeding valve (meaning not shown in the figures).

Use flow process: open the recoil control valve 14 on the water inlet pipe 5, close the recoil control valve 14 ' on the blowdown main 15, sewage enters from water inlet manifold 11, twine ring-type water-locator 7 through water inlet pipe 5 and stainless steel wire, in filtering tank body 1 inside, the suspended contamination in the water is removed in the bed of material 2 and the chimney filter filter cap 13 of catchmenting, 13 ' filtration after filtration, discharges and purifies waste water from outlet pipe 10, outfall sewer 11.

When recoil is cleaned, close the recoil control valve 14 on the water inlet pipe 5, open the recoil control valve 14 ' on the blowdown main 15, from the recoil water inlet of filtering tank body 1 bottom, the dirt that will be trapped on filter material layer 2 and the mushroom head filter cap 13,13 ' is rinsed well, discharge from blowdown main 15, can enter filter operation then.

Claims

1. high speed thin bed filtration device, comprise the filtering tank body, filter material layer, support the leg of filtering tank body, filtering tank body upper and lower end face respectively is provided with a manhole, it is characterized in that: thin filter material layer is loaded in filtering tank body bottom, filtering tank body upper end is provided with a water inlet pipe and is communicated with water inlet manifold, filtering tank body inner top is provided with a stainless steel wire and twines the ring-type water-locator, the low head inner bottom part of filtering tank body is fixed a centre mount, the end socket lower end is communicated with outfall sewer by an outlet pipe, centre mount is provided with the chimney filter that catchments more than two layers, catchment several mushroom head filter caps evenly are installed on the chimney filter, formation is from water inlet manifold, successively via water inlet pipe, stainless steel wire twines the ring-type water-locator, filter material layer, mushroom head filter cap, the filtration channel of outlet pipe, a recoil control valve is installed on the water inlet pipe, the water inlet pipe side is provided with a blowdown main, also establishes a recoil control valve on the blowdown main.

2. high speed thin bed filtration device according to claim 1 is characterized in that: the described chimney filter that catchments is two layers, evenly is arranged in parallel equidistant three mushrooms filter cap that are provided with on the every chimney filter that catchments up and down.

3. high speed thin bed filtration device according to claim 1 is characterized in that: described thin filter material layer is 350-450mm.

4. high speed thin bed filtration device according to claim 1, it is characterized in that: described water inlet manifold is provided with an air bleeding valve.