CN201558596U

CN201558596U - Air insoluble permanent backwash filter with water bag

Info

Publication number: CN201558596U
Application number: CN200920163173XU
Authority: CN
Inventors: 唐伟钊
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-07-11
Filing date: 2009-07-11
Publication date: 2010-08-25
Anticipated expiration: 2019-07-11

Abstract

An air insoluble permanent backwash filter with a water bag is formed by raw water, a raw liquid inlet, raw water, a raw liquid outlet, a filter element, a filter outer casing, a purifying cavity, an air pressure cavity, raw water, a raw liquid cavity and the like. The raw water and the raw liquid inlet are sequentially communicated with the raw water and the raw liquid cavity; the raw water and the raw liquid inlet are sequentially communicated with the raw water and the raw liquid outlet; the outer casing is arranged on the periphery of the purifying cavity; the purifying cavity is communicated with the air pressure cavity through a connecting passage; the air pressure cavity is formed by the water bag and an air pressure cavity without touching water and liquid; and the water bag 3B1 is not mutually communicated with the air pressure cavity 3B2 without touching the water and the liquid.

Description

A kind of band water pocket does not dissolve the permanent backwash filter of air type

Affiliated technical field:

The utility model relates to water quality, fluid purification treatment technology, and specifically a kind of band water pocket does not dissolve the permanent backwash filter of air type.

Technical background: present purification drainage filtrate device both domestic and external, art designs adopts filter core more, PP for example, PE, activated carbon and ceramic element, titanium, the stainless steel filter core, the milipore filter filter core, counter-infiltration filter core etc., with impurity in water or the liquid, foul, bacterium is filtered, its structure adopts one-level, two-stage or multistage filtering, its principle is to running water or well water by filter core, river carries out press filtration or diafiltration, by filter core impurity foul bacterium in water or the liquid is intercepted, pass through the later other end of filter core for purifying waste water, can allow household drinking water cleaner, more meet environmental protection and health requirements.On April 10th, 2009 was directly contacted because of designing overhead G﹠W by my patent " a kind of draining discharge opeing air admission type backwash filter " of application, had the craft or the electronic defective of opening that often promptly needed to open the draining intake valve in about one month; Simultaneously, traditional numerous backwash drainage fluid strainers, adopting banked direction control valves to carry out backwash mostly regulates, its defective mainly is that backwash is to adopt former water, stoste or contain the running water of pollutant rather than with the water purification after filtering, clean liquid is as the former water of backwash, stoste, cause water purification, clean sap cavity is infiltrated sordid former water, stoste or running water, thereby influence water purification, the sanitary standard of clean sap cavity, particularly present PE filter core, the backwash range of application of filter cores such as hollow-fibre membrane is because of cost height and technical sophistication, cause the backwash range of application wideless, hindered the particularly large tracts of land popularization of household water filter of water purifier, this filter adopts the principle of air pressure difference that filter core is carried out backwash, with water or liquid after purifying filter core is carried out backwash, avoided former water, stoste is to purifying the pollution in chamber.

Summary of the invention:

Technical problem to be solved in the utility model: overcome the deficiency that prior art exists, particularly air dissolves needs constantly additional inconvenience behind water, liquid, allow backwash filter that the water or the liquid that become with after purifying are polluted in the purification chamber and carry out permanent backwash as former water stoste, this filter technology, it not only can the automatic backwash filter core foul of absorption, foul is rinsed in the water of Yuan Shui, stoste or running water, secondary water-supply flows and drains, and can avoid former water, stoste to purifying the pollution in chamber.

Specification requirement of the present utility model is such:

1) for example fluid sealant and plastics, valve etc. all adopt health level or food grade materials for shell, drainage layer, encapsulant.

2) pressure of former water, stoste is 0.05-0.5MPA or with upward pressure.

The technical scheme that the utility model technical solution problem is adopted:

1), utilize hydraulic pressure or hydraulic pressure and filter core that the former water stoste of Yuan Shui, former sap cavity is carried out press filtration, tackle the impurity foul of former water stoste and bacterial virus etc., make water purification, clean liquid.

2), utilize in air pressure lumen and the air bag by hydraulic pressure or hydraulic pressure moment formation pressure differential in the air pressure of water, liquid extruding compression and Yuan Shui, the former sap cavity 10, filter core is carried out backwash, emission.

3), former water, stoste import (1) are connected successively with Yuan Shui, former sap cavity (10) He Yuanshui, stoste outlet (2); After water, the liquid of former sap cavity (10) was stressed, water, liquid can infiltrate into by filter core (4) and purify chamber (9); The endoporus of filter core be Yuan Shui, former sap cavity (10) can be 1,2 ... N; Purifying periphery, chamber (9) is shell (5); Purifying chamber (9) is connected with air pressure lumen (3B) by interface channel (8); Air pressure lumen (3B) is made up of water pocket (3B1), the air pressure lumen (3B2) that do not contact water, liquid; Interface channel (8) can be internal channel (8A), also can be outer tunnel (8B); Water pocket (3B1) can be 1,2 ... N; Water pocket (3B1) is connected with purification chamber (9) by interface channel (8); Water pocket (3B1) surface is an air-tightness elasticity water proof vapour barrier layer (6), and water pocket (3B1) is not communicated with mutually with the air pressure lumen that does not contact water, liquid (3B2); Water pocket (3B1) can be respectively filters interface (11) with interface channel (8) and next stage and be connected, and water pocket (3B1) also can filter interface (11) successively, be connected arbitrarily with interface channel (8), next stage.

Realize concrete mode and requirements more of the present invention:

1, all possess city tap-water water supply or secondary water-supply and other hydraulic pressure user etc., as long as pipeline hydraulic pressure or hydraulic pressure reach between the 0.05-0.5MPA or above standard, can realize comparatively ideal backwash filter purification function.

2, for allowing backwash reach effect preferably, air-tightness elastic diaphragm vapour barrier layer 6 preferably adopts high-quality elastomeric materials such as silica gel, but also can adopt other food-grade elastic caoutchoucs or other elasticity vapour barriers.

The regional user that rural area and hydraulicefficiency pressure are lower can be installed the hydraulicefficiency pressure booster pump additional and realize.

The beneficial effect that the utility model produces is:

Overcome the prior art existence and need manual or electronic deficiency, overcome and comprise the manual or electronic deficiency of banked direction control valves backwash needs, and can overcome tradition utilize air carry out backwash deficiency, air and water purification are separated, do not allow the water and air contact to avoid air dissolves in water purification, reach the method for the permanent preservation of air, thereby allow the backwash filter permanent backwash that becomes, need not any manual or electronic operation and trouble simultaneously, will the method for electronic backwash " manual or " changing becomes " the full automatic method that manually also do not need or not electronic backwash "; " carrying out backwash with former water or the stoste polluted; cause the technology that pollute in the chamber that purifies " change of traditional banked direction control valves is become " carrying out backwash with water or liquid after purifying; avoid the technology of the water purification in removing pollutant chamber ", simultaneously, not only reduced the trouble of manual backwash operation, and reduced the cost of the cost, particularly electronic backwash of backwash.

Description of drawings: Fig. 1 is a cutaway view of the present utility model.

As shown in the figure: 1 former water, stoste import, 2 former water, stoste outlet, the clean liquid outlet of 3A water purification, connection next stage filter interface, the 3B air pressure lumen, 3B1 water pocket, 3B2 do not contact the air pressure lumen of water, liquid, 4 filter cores, 5 filter housings, 5A pressure chamber shell, 6 air-tightness elastic diaphragm vapour barrier layers, 7 fluid sealants, 8 interface channels, 9A purifies the chamber, 10 Yuan Shui, former sap cavity, 11 next stage filter interface.

Fig. 2 is a cutaway view of the present utility model.

Fig. 3 is a cutaway view of the present utility model.

Fig. 4 is a sectional elevation of the present utility model.

As shown in the figure: 5 filter housings, 7 fluid sealants, 8 connect the interface channel that purifies chamber (9) and water pocket (3B5).

The specific embodiment: narrate this use new embodiment below in conjunction with accompanying drawing:

Fig. 1 is with the structure that water pocket does not dissolve the permanent backwash filter of air type to analyse and observe diagrammatic sketch:

(1) filter reset condition: all terminal valves all are in closure state.

(2) make water purification, the process of clean liquid: when connecting former water, former water stoste pipeline, open former water stoste import 1, open the clean liquid outlet of water purification, when being communicated with next stage filter interface 3A, this moment former water, the former water stoste of former sap cavity 10 is to filter core 4 infiltrations, the impurity foul of former water stoste and bacterial virus etc. are blocked on the outside of filter core 4, the clean liquid of water purification enters and purifies chamber 9, to the clean liquid outlet of water purification, being communicated with next stage filter interface 3A flows out, Here it is complete water purification, clean liquid manufacture process, this process also are the processes of purifying waste water and entering into water pocket 3B1 and causing water pocket 3B1 to expand by interface channel 8 that purifies chamber 9.

(3) process of automatic backwash filter core and blowdown:

As Fig. 1, Fig. 2, Fig. 3: when water pocket 3B1 expand into maximum volume, the pressure that water pocket 3B1 does not contact the air pressure lumen 3B2 of water, liquid is in poised state, when opening former water, stoste outlet 2 when washing, Yuan Shui, former sap cavity 10 hydraulic pressure descend suddenly, form pressure differential with air pressure lumen 3B, water in the water pocket 3B1 is extruded by passage 8, purify chamber 9, filter core 4 Xiang Yuanshui, former sap cavity 10 discharges to former water, stoste outlet 2, Here it is utilize air pressure lumen 3B2 with water purification, clean liquid to carrying out the overall process of backwash and blowdown.

(4), the not dissolved process that reaches permanent backwash of air:

The air of air pressure lumen 3B2 that does not contact water, liquid is because of touching water, liquid, thereby can not be dissolved into water, in the liquid, and gas is permanent not to leak, and reaches the purpose of permanent backwash.

Claims

1. a band water pocket does not dissolve the permanent backwash filter of air type, it is characterized in that: former water, stoste import (1) are connected successively with Yuan Shui, former sap cavity (10) He Yuanshui, stoste outlet (2); After water, the liquid of former sap cavity (10) was stressed, water, liquid can infiltrate into by filter core (4) and purify chamber (9); The endoporus of filter core be Yuan Shui, former sap cavity (10) can be 1,2 ... N; Purifying periphery, chamber (9) is shell (5); Purifying chamber (9) is connected with air pressure lumen (3B) by interface channel (8); Air pressure lumen (3B) is made up of water pocket (3B1), the air pressure lumen (3B2) that do not contact water, liquid; Interface channel (8) can be internal channel (8A), also can be outer tunnel (8B); Water pocket (3B1) can be 1,2 ... N; Water pocket (3B1) is connected with purification chamber (9) by interface channel (8); Water pocket (3B1) surface is an air-tightness elasticity water proof vapour barrier layer (6), and water pocket (3B1) is not communicated with mutually with the air pressure lumen that does not contact water, liquid (3B2); Water pocket (3B1) can be respectively filters interface (11) with interface channel (8) and next stage and be connected, and water pocket (3B1) also can filter interface (11) successively, be connected arbitrarily with interface channel (8), next stage.