CN205627220U

CN205627220U - Back -washing device

Info

Publication number: CN205627220U
Application number: CN201620435325.7U
Authority: CN
Inventors: 蒋柱武
Original assignee: Fujian University of Technology
Current assignee: Fujian University of Technology
Priority date: 2016-05-13
Filing date: 2016-05-13
Publication date: 2016-10-12
Anticipated expiration: 2026-05-13

Abstract

The utility model provides a back -washing device includes clean water basin, water pump, water dart, deareator, shunt pipeline and plural fluid distribution ware, the water pump sets up in the clean water basin, the water pump links to each other with the water dart through a first pipeline, be provided with a sunction inlet on the water dart, water dart below links to each other with a divergent pipe's upper end, the divergent pipe lower extreme passes through the second pipeline and links to each other with the shunt pipeline, the shunt pipeline links to each other with each fluid distribution ware respectively, divergent pipe's lower extreme still links to each other with deareator through a third pipeline, deareator's top is through fourth pipe connection to a second pipeline, a first outlet pipe is connected to deareator's below, each the fluid distribution ware is fixed in the filtering pond bottom of being equipped with the filter material layer, each it strains the cap to be provided with the plural number on the fluid distribution ware. The utility model discloses anti - flushing device is simple, the little fluid distribution ware simple to operate of back flush energy consumption, and fluid distribution is even.

Description

A kind of back purge system

[technical field]

This utility model relates to a kind of back purge system.

[background technology]

Backwash is air-flow or water to flow through bottom flow distributor back through filter tank, to rinse out filter Pollutant in material and other blocking material so that filtrate recovers the method for cleaning.At present, filter tank is anti- The power-equipment of rinse-system fluid is water pump and blower fan respectively.Water pump provides backwash current, and blower fan carries For backwash gas.The uniform distribution of mixing wastewater with air and backwashed fluid is by the long handle filter being arranged on filter plate Head realizes.Strainer head is arranged on filter plate by the many employings of backwashing system in existing filter tank.Strainer head It is a point flushing fluid distributing apparatus, the level that the uniformity of its horizontal level and fluid distribution is installed by filter plate Degree of accuracy affects.Strainer head is made up of filter and the connected filter bar of jet fluid.The filter of filter The strip uniformly having processing meticulously in cap cambered surface is carefully stitched, in order to spray gas and water.Filter bar is plastics Pipe top has aperture, has the fluid inflow short tube that air inlet bar stitches near bottom.

Prior art has the disadvantage in that the power of 1, gas and water needs water pump and blower fan to provide respectively, Equipment is complicated, and energy consumption is big.2, installing the technology of strainer head on employing filter plate, strainer head is to filter plate Requirement for horizontality is the highest, and difficulty of construction is relatively big, and workload is big and comparatively laborious.And, once preburying part Position construction is not in place, easily occurs that fluid runs leakage phenomenon, installs inconvenience.Cause backwash effect poor. Backwashed fluid intensity is the most uneven, filter some places can be caused excessively to expand, cause filtrate stream Lose；Some places underexpansion, between filtrate, pollutant rinse insufficient, affect filter effect.

[summary of the invention]

The technical problems to be solved in the utility model, is to provide a kind of back purge system, and this backwash sets Standby simple, the little fluid distributor of backwash energy consumption is easy for installation, fluid distributed uniform.

This utility model is achieved in that

A kind of back purge system, back purge system include clear water reserviors, water pump, water sprayer, moisture trap, Diverter pipeline and plural number fluid distributor, described water pump is arranged in clear water reserviors, and described water pump passes through One first pipeline is connected with water sprayer, described water sprayer is provided with a suction inlet, below described water sprayer Being connected with the upper end of an increaser, described increaser lower end is connected with diverter pipeline by second pipe, Described diverter pipeline is connected with each fluid distributor respectively；

The lower end of described increaser is connected with moisture trap also by one the 3rd pipeline, described gas-water separation The top of device is connected to second pipe by one the 4th pipeline, and the lower section of described moisture trap connects one the One outlet pipe；

One the 5th pipeline it is also associated with, institute on described second pipe between described first pipeline and second pipe The each pipeline order connected is followed successively by the 3rd pipeline, the 4th pipeline, the 5th pipeline and 1 the from front to back Two outlet pipes, described first pipeline, second pipe, the 3rd pipeline, the 4th pipeline, the 5th pipeline, Be correspondingly provided with on one outlet pipe and the second outlet pipe the first valve, the second valve, the 3rd valve, the 4th Valve, the 5th valve, the 6th valve and the 7th valve；

Each described fluid distributor is fixed on bottom equipped with the filter tank of filter material layer, on each described fluid distributor It is provided with plural number filter cap.

Further, described filter cap is hemispherical, described filter cap is evenly distributed with width and is The gap of 0.25～0.45mm.

Further, the gap gross area in described whole filter cap accounts for the 1% of filter tank bottom area.

Further, each described fluid distributor is solid by the screw on plural number stainless steel lathe dog and clip both wings It is scheduled on bottom filter tank.

Further, the other end of described first outlet pipe and the second outlet pipe all stretches in clear water reserviors.

This utility model has the advantage that

1, the backwashed fluid dynamical system that water pump and water sprayer are constituted, saves aerodynamic offer and sets Standby, reduce number of devices.

2, unique fluid dispensing arrangement, decreases the complexity of fluid distributor, and installation is convenient；

3, fluid distributor and filter cap are by PE material, are molded one-shot forming, and are fixed on bottom filter tank, Make fluid distributor be prone to holding level, strengthen fluid distribution uniformity.

In a word, this utility model backwashing equipment is simple, and the little fluid distributor of backwash energy consumption is easy for installation, Fluid distributed uniform.

[accompanying drawing explanation]

This utility model is further described the most in conjunction with the embodiments.

Fig. 1 is this utility model one back purge system structural representation.

Fig. 2 is the filter cap structural representation of a kind of back purge system of this utility model.

[detailed description of the invention]

Refer to shown in Fig. 1 and Fig. 2, embodiment of the present utility model is described in detail.

As it is shown in figure 1, a kind of back purge system involved by this utility model, back purge system includes clearly Pond 1, water pump 2, water sprayer 3, moisture trap 4, diverter pipeline 5 and plural number fluid distribution Device 6, described water pump 2 is arranged in clear water reserviors 1, and described water pump 2 is by one first pipeline 7 and water-jet Device 3 is connected, and described water sprayer 3 is provided with a suction inlet 8, with a flaring below described water sprayer 3 The upper end of pipe 9 is connected, and described increaser 9 lower end is connected with diverter pipeline 5 by second pipe 10, Described diverter pipeline 5 is connected with each fluid distributor 6 respectively；

The lower end of described increaser 9 is connected with moisture trap 4 also by one the 3rd pipeline 11, described The top of moisture trap 4 is connected to second pipe 10, described gas-water separation by one the 4th pipeline 12 The lower section of device 4 connects one first outlet pipe 13；

One the 5th pipeline 14 it is also associated with between described first pipeline 7 and second pipe 10, described second Connected on pipeline 10 each pipeline order be followed successively by from front to back the 3rd pipeline the 11, the 4th pipeline 12, 5th pipeline 14 and one second outlet pipe 15, described first pipeline 7, second pipe the 10, the 3rd are managed On road the 11, the 4th pipeline the 12, the 5th pipeline the 14, first outlet pipe 13 and the second outlet pipe 15 right First valve the 16, second valve the 17, the 3rd valve the 18, the 4th valve the 19, the 5th valve should be provided with 20, the 6th valve 21 and the 7th valve 22；

Each described fluid distributor 6 is fixed on bottom equipped with the filter tank of filter material layer, each described fluid distributor Plural number filter cap 61 it is provided with on 6.

Emphasis refers to Fig. 2, and described filter cap 61 is hemispherical, and described filter cap 61 is evenly distributed with width It it is the gap 611 of 0.25～0.45mm.

Gap 611 gross area in described whole filter cap 61 accounts for the 1% of filter tank bottom area.

Each described fluid distributor 6 is solid by the screw 621 on plural number stainless steel lathe dog 62 and clip both wings It is scheduled on bottom filter tank, it is ensured that stable firm.

The other end of described first outlet pipe 13 and the second outlet pipe 15 all stretches in clear water reserviors 1.

This utility model can be to realize three kinds of modes of filter back washing:

1), during mixing wastewater with air backwash, the first valve 16 and the second valve 17 are opened, the 3rd valve 18, 4th valve the 19, the 5th valve the 20, the 7th valve 22 is closed.Water pump 2 extracts from clear water reserviors 1, Forming high-velocity flow by water sprayer 3, current are changed by energy in water sprayer 3, form vacuum and bear Pressure swabbing action, sucks air from suction inlet 8, forms mixing wastewater with air fluid, then passes through water sprayer 3 bottom increasers 9, are converted into high-pressure mixing fluid, then are sent into diverter pipeline 5 by second pipe 10. Each fluid distributor 6 is all connected with diverter pipeline 5, makes mixed flow physical ability divide equally the multiple fluids of entrance and divides Orchestration 6.Fluid distributor 6 uses PE material injection to process.Uniform plural number filter cap 61 on it, Filter cap 61 hemisphere is labeled and is uniformly distributed the gap 611 that width is 0.25-0.45mm, total face, gap 611 Long-pending being about bottom filter tank the 1% of the gross area, backwash resistance is little.Fluid is entered by these fine gap Filter material layer, carries out filtrate backwash.

2), during the independent backwash of air, the second valve the 17, the 5th valve the 20, the 7th valve 22 is closed, Remaining valve wide open.Water pump 2 draws water, through water sprayer 3 formed fluid-mixing through the 3rd pipeline 11 enter moisture trap 4 carries out aqueous vapor separation, and water is by the first outlet pipe 13 times below moisture trap It flow to clear water reserviors 1.Air is entered diverter by the 4th pipeline 12 being connected with moisture trap 4 top Pipeline 5, is then tapped off into each fluid distributor 6, then is sprayed by filter cap 61, it is achieved air individually recoils Wash.

3) during the independent backwash of water, first valve the 16, second valve the 17, the 4th valve the 19, the 7th Valve 22 is closed, remaining standard-sized sheet, and water pump 2 draws water and directly enters diverter pipeline by the 5th pipeline 14 5, it is re-fed into fluid distributor 6, filter cap 61 sprays, it is achieved complete the independent backwash of water.

When filtering, the second valve the 17, the 4th valve the 19, the 5th valve 20 is closed, the 7th valve 22 Open.Cross drainage to be collected by filter cap, enter fluid distributor 6, subsequently into diverter pipeline 5, Clear water reserviors 1 are entered by the second outlet pipe 15.

This utility model has the advantage that

Although the foregoing describing detailed description of the invention of the present utility model, but it is familiar with the skill of the art Art personnel should be appreciated that our described specific embodiment is merely exemplary rather than for right The restriction of scope of the present utility model, those of ordinary skill in the art are according to spirit of the present utility model The modification of the equivalence made and change, all should contain of the present utility model claimed In the range of.

Claims

1. a back purge system, it is characterised in that: back purge system includes clear water reserviors, water pump, water Emitter, moisture trap, diverter pipeline and plural number fluid distributor, described water pump is arranged on clear water In pond, described water pump is connected with water sprayer by one first pipeline, and described water sprayer is provided with a suction Mouthful, below described water sprayer, the upper end with an increaser is connected, and second pipe is passed through in described increaser lower end Being connected with diverter pipeline, described diverter pipeline is connected with each fluid distributor respectively；

A kind of back purge system the most according to claim 1, it is characterised in that: described filter cap is Hemispherical, described filter cap is evenly distributed with the gap that width is 0.25～0.45mm.

A kind of back purge system the most according to claim 2, it is characterised in that: described whole filters The gap gross area on cap accounts for the 1% of filter tank bottom area.

A kind of back purge system the most according to claim 1, it is characterised in that: each described fluid Allotter is fixed on bottom filter tank by the screw on plural number stainless steel lathe dog and clip both wings.

A kind of back purge system the most according to claim 1, it is characterised in that: described first goes out The other end of water pipe and the second outlet pipe all stretches in clear water reserviors.