CN201040233Y

CN201040233Y - Pipeline type ultrafiltering water purifier

Info

Publication number: CN201040233Y
Application number: CNU2007200502535U
Authority: CN
Inventors: 彭开勤; 葛海霖
Original assignee: Memstar Guangzhou Co Ltd
Current assignee: Memstar Guangzhou Co Ltd
Priority date: 2007-04-12
Filing date: 2007-04-12
Publication date: 2008-03-26
Anticipated expiration: 2017-04-12

Abstract

The utility model discloses a pipe type ultra-filtration water purifier, comprising a shell provided with a water inlet, a water producing port and a washing port and an ultra-filtration membrane filter core installed in the shell. The ultra-filtration membrane filter core is composed of membrane wires and a pouring base. The pouring base is fixed in the shell, and divides the shell into two areas of an inhalant area communicate with the water inlet and a water producing area communicated with the water producing port. The membrane wires are a plurality of outside-in hollow fiber ultra-filtration membranes bent to be U-shaped, the two ends of each of the membrane wires are fixed in the pouring layer in a membrane joint, two ports of the membrane wires are communicated with the water producing area, and the lateral side of the membrane wires is communicated with the inhalant area. The water purifier of the utility model can resist a water hammer impact of a higher pressure, enlarges the application scope of the water purifier to water pressure, and reduces the rupture probability of the membrane wires due to the water hammer impact. The utility model has simple and scientific structure, the original water is totally isolated from the produced water, so the utility model ensures the filtration quality and is convenient to carry out check and maintenance on the membrane wires.

Description

The duct type ultra-filtration water purifier

Technical field

It is filter medium that the utility model relates to water, have duct type ultra-filtration water purifier filtering function, that be applicable to the water purification.

Background technology

The factors leading to social instability that the corrosion of contaminated water source, running water treatment process and the hysteresis of equipment improvement, tediously long water supply network and sedimentation, secondary water-supply exist etc. cause the quality of running water to descend, and have been undisputable fact.The terminal of water purifies and is subjected to more and more the attention, and all kinds of water purifiers arise at the historic moment.Hyperfiltration technique is generally adopted in water purifier.

Notification number is the utility model patent " water purifier " of CN2829864, and notification number is the utility model patent " ultrafiltration central water purifier " of CN2797346, all be to adopt inner pressed cellulosic ultrafiltration film that water is carried out ultrafiltration, be that former water enters in the ultrafiltration membrane filaments, after the milipore filter ultrafiltration, the fenestra of water purification from membranous wall is penetrated into outside the ultrafiltration membrane filaments, and dirt is then stayed in the ultrafiltration membrane filaments.The water purifier of this ultrafiltration mode, its ultrafiltration membrane filaments is difficult to clean on the one hand, and the inorganic matter in the former water, organic matter and biological meeting are stopped up fenestra even are stopped up the film silk, cause filter quality to descend; On the other hand, the two ends of ultrafiltration membrane filaments are individually fixed in the two ends of filter core, and protective casing is adopted in the outside, and the impact of water hammer of water can make the probability that breaks of film silk heighten in the film silk, has influenced the service life of water purifier, and maintenance is also inconvenient.

The utility model content

The purpose of this utility model is to provide a kind of being easy to clean, and the non-damageable duct type ultra-filtration water purifier of ultrafiltration membrane filaments.

For reaching above-mentioned purpose, the utility model adopts following technical scheme: this duct type ultra-filtration water purifier comprises having water inlet, produce the shell of the mouth of a river and rinse mouth and being installed on the interior milipore filter filter core of shell; Described milipore filter filter core is made up of film silk and cast base; The cast base is fixed in the shell, and shell is divided into inhalant region that is communicated with water inlet and two zones, product pool that are communicated with the product mouth of a river; The film silk is many and curves the external-compression type hollow fiber ultrafiltration membrane of " U " type, and the two ends of arbitrary film silk are fixed in the pouring layer in the cast base, the two-port of film silk with produce the pool and be connected, be connected with inhalant region outside the film silk.

Described shell is made up of upper end cover and stack shell main body, upper end cover and stack shell main body lay respectively at cast base both sides and are tightly connected with the periphery of pouring into a mould base respectively, the space that forms between upper end cover and the cast base is for producing the pool, and the space that forms between stack shell main body and the film head is an inhalant region; The described water inlet and the product mouth of a river are located on the upper end cover, and the tube connector that is connected with water inlet passes the cast base and arrives inhalant region; Described rinse mouth is located on the stack shell main body.

In order to improve former pool and to produce isolation effect between the pool: between described tube connector and the water inlet, between tube connector and the cast base paired sealing ring is arranged all.

For the ease of joining with running water pipe and being convenient to clean filter core, described water inlet is positioned at the top of upper end cover, produces the sidewall that the mouth of a river is positioned at upper end cover, and rinse mouth is positioned at the bottom of stack shell main body.

Described cast base is used for fixing the film silk and isolates former, product pool, and in the form of annular discs, periphery is made of plastics, and inboard pouring layer is epoxy resin or polyurethane material.

Described film silk is a hollow fiber ultrafiltration membrane, the tool filtration, and pore size filter＜0.1 μ m, film silk external diameter is 0.2～2.0mm, material therefor is other material of preparing that PVDF maybe can become the U type.

As a kind of preferred version, described upper end cover and stack shell main body are made of plastics; Described cast base is in the form of annular discs, and sealing ring by its periphery and screw thread link to each other with upper end cover and stack shell main body and be tightly connected.In order to strengthen the bearing strength of shell, the described stack shell main body outside that is made of plastics is with the stainless steel sleeve.

As another preferred version, described upper end cover and stack shell main body are made by stainless steel material; The port of described cast base periphery and upper end cover, stack shell main body all convexes to form flange, by clip and sealing ring upper end cover, cast base and stack shell main body is tightly connected mutually.

In order to guarantee the water purifier good seal, the sealing ring mounted in pairs between described cast base and the shell.

Water purifier of the present utility model filters water like this: former water enters former pool from water inlet through tube connector, under the effect of pressure, the tube wall that water and mineral matter pass the film silk enters in the film fiber tube and becomes water purification, and dirts such as silt, iron rust, bacterium, larger molecular organics then are trapped within outside the film silk; Water purification flows into the product pool from the port of film silk, and flow out at the multiparity mouth of a river again, and condensed water (or waste water) can be discharged by rinse mouth, realizes continuous filtration.In the time need cleaning to the filter core of water purifier, open rinse mouth, former water washes film silk outer wall after tube connector enters former pool, and sewage is directly discharged from rinse mouth.Open upper end cover and stack shell main body, take out filter core, can thoroughly clean and maintenance and inspection filter core.

Compared with prior art, the ultrafiltration membrane filaments of water purifier of the present utility model curves " U " type, two ends are fixed in the interior pouring layer of film head, film silk main body can freely swing, thereby have certain elasticity and an anti-extrusion ability, can resist the impact of water hammer of big pressure, enlarged the scope of application of water purifier, reduce that the film silk is subjected to impact of water hammer and the probability of breaking hydraulic pressure.Water passes fenestra and enters in the film fiber tube during filtration outside the film fiber tube, and dirt is trapped within outside the film fiber tube, is convenient to the film silk is cleaned.Filter core is taken out from the water purifier shell, outside the film silk is exposed to, can carry out maintenance and inspection to the film silk easily.Sealing ring mounted in pairs between tube connector and the water inlet, between tube connector and the cast base, between upper end cover and the cast base, between stack shell main body and the cast base, improved sealing effectiveness, former water and product water are isolated fully, water purifier is not leaked, guaranteed service property (quality).

Description of drawings

Fig. 1 is the explosive view of stainless steel casing water purifier.

Fig. 2 is the cutaway view of stainless steel casing water purifier.

Fig. 3 is the explosive view of plastic casing water purifier.

Fig. 4 is the cutaway view of plastic casing water purifier.

The specific embodiment

Embodiment one:

Below in conjunction with accompanying drawing the specific embodiment of the present utility model is further described.

As shown in Figure 1, the duct type ultra-filtration water purifier of present embodiment comprises shell and the filter core of being made by stainless steel, and wherein shell is made up of upper end cover 2 and stack shell main body 3, and filter core is made up of cast base 1 and film silk 8.Film silk 8 is the external-compression type hollow fiber ultrafiltration membrane, and the caliber of film silk 8 is about 1.0mm, the aperture of fenestra＜0.1 μ m; Film silk 8 curves " U " type, and the two ends of every film silk 8 are cast in the pouring layer 11 of cast base 1; Cast base 1 is in the form of annular discs, is made by the ABS material, and inboard pouring layer 11 is materials such as epoxy resin or polyurethane, and cast base peripheral shape becomes flange 9; Can see the port 81 of film silk on the casting area from the upside of cast base 1.The edge of upper end cover 2 and stack shell main body 3 all forms the flange 9 of evagination, and the end face of two flanges is equipped with seal groove and sealing ring 5, can be fixedly connected upper end cover 2, cast base 1 and stack shell main body 3 by clip 10.As shown in Figure 2.Be provided with the water inlet A that is used to connect former water water pipe (not shown) in the upper end of upper end cover 1, sidewall is provided with and is used to connect the product mouth of a river B that produces water water pipe (not shown), in the bottom of stack shell main body 3 rinse mouth C is arranged.The upper end of one tube connector 7 is connected with water inlet A, and the central authorities that cast base 1 is passed in the lower end arrive the former pool E that pours into a mould the base downside.Between tube connector 7 and the water inlet A, tube connector 7 and cast all be equipped with paired sealing ring 5 between the base 1.

As shown in Figure 2, former water enters from water inlet A in the direction of arrows, arrive the former pool E of cast base downside through tube connector 7, under the effect of pressure, the fenestra that water and mineral matter pass on film silk 8 walls enters in the film silk, flow to the product pool D from film silk port 81, flow out by producing mouth of a river B again, finish filter process.Dirts such as silt, iron rust, bacterium then are trapped within on film silk 8 outer walls.When needs clean filter core, open the rinse mouth C of stack shell main body 3 lower ends, water flows into former pool E from water inlet A through tube connector 7, after the flushing of film silk 8 outer walls, promptly flows out from rinse mouth C.Take off upper end cover 2, with clip 10 chucking cast base 1 and stack shell main bodys 3, during from rinse mouth C feeding compressed air or press water, can be by air-flow, the current anomaly of each film port 81 of cast base end face, situations such as the fracture of judgement film silk 8, breakage, thus water purifier security all the time can be guaranteed.If need thoroughly clean or keep in repair, can take out filter core and operate opening clip 10 to filter core.

Embodiment two:

As shown in Figure 3, Figure 4, among this embodiment, upper end cover 2 and stack shell main body 3 are made by plastics, and wherein the lower end of stack shell main body 3 is bottom end covers 4, bottom end cover 4 is provided with rinse mouth C, and the periphery cover of stack shell main body 3 is useful on the stainless steel sleeve 6 that improves the water purifier bearing capacity.Cast base 1 is made of plastics, and cast base periphery is provided with screw thread and paired sealing ring 5, connects by thread seal between upper end cover 2, stack shell main body 3, cast base 1 three.All the other are with embodiment one.

Claims

1. a duct type ultra-filtration water purifier comprises having water inlet, produce the shell of the mouth of a river and rinse mouth and being installed on the interior milipore filter filter core of shell; It is characterized in that: described milipore filter filter core is made up of film silk and cast base; The cast base is fixed in the shell, and shell is divided into inhalant region that is communicated with water inlet and two zones, product pool that are communicated with the product mouth of a river; The film silk is many and curves the external-compression type hollow fiber ultrafiltration membrane of " U " type, and the two ends of arbitrary film silk are fixed in the pouring layer in the cast base, the two-port of film silk with produce the pool and be connected, be connected with inhalant region outside the film silk.

2. duct type ultra-filtration water purifier according to claim 1, it is characterized in that: described shell is made up of upper end cover and stack shell main body, upper end cover and stack shell main body lay respectively at cast base both sides and are tightly connected with the periphery of pouring into a mould base respectively, the space that forms between upper end cover and the cast base is for producing the pool, and the space that forms between stack shell main body and the cast base is an inhalant region; The described water inlet and the product mouth of a river are located on the upper end cover, and the tube connector that is connected with water inlet passes the cast base and arrives inhalant region; Described rinse mouth is located on the stack shell main body.

3. duct type ultra-filtration water purifier according to claim 2 is characterized in that: between described tube connector and the water inlet, between tube connector and the cast base paired sealing ring is arranged all.

4. duct type ultra-filtration water purifier according to claim 2 is characterized in that: described water inlet is positioned at the top of upper end cover, produces the sidewall that the mouth of a river is positioned at upper end cover, and rinse mouth is positioned at the bottom of stack shell main body.

5. duct type ultra-filtration water purifier according to claim 1 is characterized in that: described cast base is in the form of annular discs, and periphery is made of plastics, and inboard pouring layer is epoxy resin or polyurethane material.

6. duct type ultra-filtration water purifier according to claim 1 is characterized in that: described upper end cover and stack shell main body are made of plastics; Described cast base is in the form of annular discs, and sealing ring by its periphery and screw thread link to each other with upper end cover and stack shell main body and be tightly connected.

7. duct type ultra-filtration water purifier according to claim 6 is characterized in that: the described stack shell main body outside that is made of plastics is with the stainless steel sleeve.

8. duct type ultra-filtration water purifier according to claim 1 is characterized in that: described upper end cover and stack shell main body are made by stainless steel material; The port of described cast base periphery and upper end cover, stack shell main body all convexes to form flange, by clip and sealing ring upper end cover, cast base and stack shell main body is tightly connected mutually.

9. according to claim 6 or 8 described duct type ultra-filtration water purifiers, it is characterized in that: described sealing ring mounted in pairs.

10. duct type ultra-filtration water purifier according to claim 1 is characterized in that: the aperture of described external-compression type hollow fiber ultrafiltration membrane＜0.1 μ m.