CN202156973U

CN202156973U - Reusing system for recycled water

Info

Publication number: CN202156973U
Application number: CN2011201107436U
Authority: CN
Inventors: 孙连国
Original assignee: LIXIAN FULIGE BASE FABRIC Co Ltd
Current assignee: LIXIAN FULIGE BASE FABRIC Co Ltd
Priority date: 2011-04-15
Filing date: 2011-04-15
Publication date: 2012-03-07
Anticipated expiration: 2021-04-15

Abstract

The utility model discloses a reusing system for recycled water. Sewage enters a sedimentation tank on the lower end portion of a sand filter through water distribution well A, a water distribution well B and a valve II. Filtered water enters a reusing water tank through an opened valve V after penetrating through a filter plate, a bearing layer and a quartz sand layer. Recycled water is further treated by an aeration device of the reusing water tank to be used. When the sand filter needs backwashing, the valve II is closed, and a valve I is opened to discharge sludge naturally. After the sludge is discharged, the valve I is closed, a valve III and a valve IV are opened, and a backwashing water pump is started. Backwashing water in the reusing water tank enters the sand filter through the valve III to stir the sand filter layer at high pressure, and residual suspended matters are driven by the backwashing water to be discharged by the valve IV. Recycled water treated by the reusing system is cleaner and can be stored for a long time. The sand filter filters water from the bottom to the top, the granularity of the bearing layer is large, and the granularity of the quartz sand layer is small, thereby avoiding sand leakage, being high in permeable rate, prolonging backwashing period of drainage pipes and shortening backwashing time of each time.

Description

A kind of intermediate water reuse system

Technical field

The utility model relates to a kind of intermediate water reuse system.

Background technology

In the making processes of leather base cloth, can produce some sewage, in order to reduce the pollution of sewage, each producer has all used intermediate water reuse system.At present intermediate water reuse system generally adopts the sand filtration technology, and sewage flows through sand filter blanket from the top down, through the filtration of sand filter blanket, becomes the middle water that can re-use and sends back in the equipment and utilize, perhaps is used to water flowers, greening etc.But sewage flows through sand filter blanket from the top down, and its sand filter blanket permeability rate is low, and the backwash cycle is short; Spoil disposal is inconvenient; Middle water after the filtration is no longer further handled through other method, accumulates in middle water such as untimely use in the reuse tank and just is easy to rancidly, forms secondary pollution.

The utility model content

The purpose of the utility model is exactly to solve the problems referred to above that exist in the prior art, provides a kind of sand filter blanket permeability rate high, and the backwash cycle is long, and spoil disposal is convenient, and the middle water of processing is cleaner, can preserve the intermediate water reuse system of longer time.

For realizing above-mentioned purpose, the technical solution of the utility model is: a kind of intermediate water reuse system, and it comprises two high-order distributing well A, distributing well B, low level sand filter, backwash device and low level reuse pools; Sewage water inlet pipe probes into the bottom of distributing well A; Distributing well A one end has sewage pipe; The other end has rising pipe, and its rising pipe is connected the water inlet pipe of distributing well B, and each rising pipe of distributing well B is connected the water inlet pipe upper end of the correspondence of sand filter respectively through valve II; Each water inlet pipe lower end of sand filter connects range pipe; The lower end pipe of each range pipe probes in the settling tank of corresponding sand filter simultaneously, and each water inlet pipe upper end of sand filter also connects blow-off pipe through valve I, and blow-off pipe connects the mud canal; Sand filter is divided into several parts by dividing plate; Each several part is made up of settling tank, filter plate, big grain silica sand supporting layer and granule quartz sand layer respectively from bottom to top; Its upper end water outlet and water port place are fixed with water outlet baffle plate and draining baffle plate respectively; Its water outlet passes through rising pipe is connected the reuse pool upper end with valve V water-in, and water port is connected the mud canal through water shoot with the valve IV; The rising pipe of reuse pool bottom is connected each water inlet pipe of sand filter again with valve I II through backwashing pump; The reuse pool bottom is provided with aeration tube, and the inlet mouth of aeration tube connects gas blower.

Above-mentioned described distributing well A, distributing well B are divided into several parts by over-pass respectively; Said sewage water inlet pipe probes into said distributing well A middle portion bottom; On two portions wall at said distributing well A edge described sewage pipe and rising pipe are arranged respectively; Over-pass near the sewage pipe place is higher than the over-pass near the rising pipe place, and sewage pipe just can be discharged to sewage network with the sewage that reclaiming system has been handled not like this, gets into garden sewage work.The rising pipe of distributing well A is connected the water inlet pipe of said distributing well B, and the water inlet pipe of distributing well B is connected the middle portion bottom of distributing well B, and distributing well B each several part is connected the water inlet pipe upper end of the correspondence of sand filter respectively through valve II by said each rising pipe.

Above-mentioned described reuse pool is provided with overflow plate at the end near sand filter.

After the sewage of handling passes through distributing well A and distributing well B, through the settling tank of valve II entering sand filter bottom, after the pressure that relies on the nature drop to form sees through filter plate, supporting layer, quartz sand layer; Filtering water gets into reuse pool through the valve V that opens; The aerating apparatus of reuse pool is further handled reuse water, and the middle water of handling like this is cleaner, and water is not rancid in the guarantee; Can preserve the longer time, to make things convenient for reuse.When sand filter needed backwash, valve-off II opened valve I mud is discharged naturally; Valve-off I again after the mud emptying opens valve III and valve IV, starts the backwash water pump; Backwash water gets into sand filter through valve III; High pressure stirs sand filter blanket, and residual suspended substance is driven by backwash water, is discharged to the mud canal through the valve IV.The sand filter of the utility model is from bottom to top with water filtration, and the supporting layer granularity is big, the quartz sand layer granularity is little, neither leaks sand, and permeability rate is high again, and blow-off pipe can make the backwash cycle increase, and each backwash time shortens.

Description of drawings

Fig. 1 is the process flow diagram of the utility model;

Fig. 2 is that the pipeline of the utility model is arranged synoptic diagram;

Fig. 3 is the internal structure synoptic diagram of sand filter in the utility model;

Fig. 4 is the internal structure of the settling tank in the sand filter in the utility model and the structural representation of outside stringing.

Embodiment

Like Fig. 1, Fig. 2, Fig. 3 and shown in Figure 4, present embodiment comprises two high-order distributing well A, distributing well B, low level sand filter 9, backwash device and low level reuse pools 10.Distributing well A is divided into three parts by two over-pass i, and an over-pass i is higher than another.Distributing well B is divided into five parts by four over-pass ii, and sewage water inlet pipe 2 probes into distributing well A middle portion bottom, is fixed with sewage pipe 3 on the wall of the distributing well A at high over-pass i place, is fixed with rising pipe 4 on the wall of the distributing well A at low over-pass i place.Rising pipe 4 is connected the water inlet pipe 5 of distributing well B; The water inlet pipe 5 of distributing well B is connected distributing well B middle portion bottom; Other four parts bottom of distributing well B is connected water inlet pipe 7 upper ends of the correspondence of sand filter 9 respectively through valve II by rising pipe 6; Each water inlet pipe 7 lower end of sand filter 9 connect range pipe 8, and the lower end pipe of each range pipe 8 probes in the settling tank 11 of corresponding sand filter 9 simultaneously.Each water inlet pipe 7 upper end of sand filter 9 also connect blow-off pipe 12 through valve I, and blow-off pipe 12 connects the mud canal.Sand filter 9 is divided into four parts by dividing plate 26; Every part is made up of settling tank 11, filter plate 13, big grain silica sand supporting layer 14 and granule quartz sand layer 15 respectively from bottom to top; Its upper end water outlet 18 is welded with water outlet baffle plate 19 and draining baffle plate 17 respectively with water port 16 places; Its water outlet 18 passes through rising pipe 20 is connected reuse pool 10 upper ends with valve V water-in, and water port 16 is connected the mud canal through water shoot 28 with the valve IV.The rising pipe 21 of reuse pool 10 bottoms is connected each water inlet pipe 7 of sand filter again with valve III through backwashing pump 22.Reuse pool bottom 10 is provided with aeration tube 23, and the inlet mouth of aeration tube 23 connects gas blower 24, and reuse pool 10 is provided with overflow plate 25 at the end near sand filter.1 is guardrail, and 27 is road.

Claims

1. intermediate water reuse system, it is characterized in that: it comprises two high-order distributing well A, distributing well B, low level sand filter, backwash device and low level reuse pools; Sewage water inlet pipe probes into the bottom of distributing well A; Distributing well A one end has sewage pipe; The other end has rising pipe, and its rising pipe is connected the water inlet pipe of distributing well B, and each rising pipe of distributing well B is connected the water inlet pipe upper end of the correspondence of sand filter respectively through valve II; Each water inlet pipe lower end of sand filter connects range pipe; The lower end pipe of each range pipe probes in the settling tank of corresponding sand filter simultaneously, and each water inlet pipe upper end of sand filter also connects blow-off pipe through valve I, and blow-off pipe connects the mud canal; Sand filter is divided into several parts by dividing plate; Each several part is made up of settling tank, filter plate, big grain silica sand supporting layer and granule quartz sand layer respectively from bottom to top; Its upper end water outlet and water port place are fixed with water outlet baffle plate and draining baffle plate respectively; Its water outlet passes through rising pipe is connected the reuse pool upper end with valve V water-in, and water port is connected the mud canal through water shoot with valve IV; The rising pipe of reuse pool bottom is connected each water inlet pipe of sand filter again with valve III through backwashing pump; The reuse pool bottom is provided with aeration tube, and the inlet mouth of aeration tube connects gas blower.

2. intermediate water reuse system according to claim 1; It is characterized in that: described distributing well A, distributing well B are divided into several parts by over-pass respectively; Said sewage water inlet pipe probes into said distributing well A middle portion bottom; On two portions wall at said distributing well A edge described sewage pipe and rising pipe are arranged respectively, be higher than over-pass near the rising pipe place near the over-pass at sewage pipe place; The rising pipe of distributing well A is connected the water inlet pipe of said distributing well B, and the water inlet pipe of distributing well B is connected the middle portion bottom of distributing well B, and distributing well B each several part is connected the water inlet pipe upper end of the correspondence of sand filter respectively through valve II by said each rising pipe.

3. according to claim 1 or 2 described intermediate water reuse systems, it is characterized in that: described reuse pool is provided with overflow plate at the end near sand filter.