CN2571472Y

CN2571472Y - Penetration membrane assembly for filter

Info

Publication number: CN2571472Y
Application number: CN 02239521
Authority: CN
Inventors: 林清锋
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-06-27
Filing date: 2002-06-27
Publication date: 2003-09-10
Anticipated expiration: 2012-06-27

Abstract

The utility model discloses a penetration filter membrane assembly which comprises a loading disc and a membrane pad of a corresponding shape. A plurality of filter membrane assemblies which are mutually stacked can further form a liquid filter. The loading disc of the utility model is provided with a slit-shaped passage and a conduction surface which is sloping to extend towards the lower layer. Therefore, liquid can be gently conducted into the membrane pad between the two loading discs, the violent turnover of the liquid is reduced when the liquid flows between the loading discs of each layer, and large pressure loss can be avoided. In addition, conduction piles which are especially arranged at the surface of the loading disc can lead the liquid to stably flow, appropriate vortex is generated, and turbulent flow required by the membrane separation rate at the surface of the membrane pad is provided.

Description

The permeation filtration membrane module of filter

Technical field

The relevant a kind of liquid filter of the utility model, particularly a kind of permeation filtration membrane module of the filter interior in order to filter liquide, and can be applied to technology such as inverse osmosis, millimicro filtration, hyperfiltration, microfiltration.

Background technology

It is early well known to utilize filter membrane only to allow characteristic that specific fine material passes through to make the technology of liquid filter, and then it is also not within minority to get permission the monopolist.The main composition element of this class I liquid I filter, all similar each other haply, they have the pressure of an airtight shell can bear liquid and see through the time, shell is a kind of columnar design, relevance filtering membrane module in order to filter liquide then is the inside that is stacked on shell each other, and pull bar by passing the filter axle center and the end cap that is installed in its two ends are limited and combine tightly.This filter can be installed and used separately or repeatedly, by with for example pump, front filter, cleaning device, and executive component connects, and forms the assembly of a filter apparatus for filtering liquid.

Known filtering film component mostly has a common problem, that is exactly that the pressure loss in filter is higher, in other words it is very big liquid will to be sent into the required pressure of this filter, and wherein have most pressure be for the poor design that overcomes filtering film component required.Just because of filtering film component has the very big pressure loss, make that also all use this class all can not be applied in technical fields such as millimicro filtration, hyperfiltration and microfiltration with the filter of dish type filtering film component so far.

The utility model content

Main purpose of the present utility model is the bigger problem of the pressure loss in solving the liquid filter that uses this dish type filtering film component.

The utility model is for the means that solve the pressure loss, by shape and the redesign of runner and then the road that achieves a solution to the load plate of filtering film component, the liquid flow from a load plate to next load plate guiding particularly can make liquid flow circlewise and is full of the both sides of film pad.The basic side of this specific function is to see through a kind of seam shape passage that radially extends along load plate and realized to the drainage face of the oblique extension of lower floor since then.It can make the load plate of liquid along drainage face from the upper strata gently flow into the load plate of lower floor, so just can avoid in the structure of traditional filtering membrane module, because liquid must constantly turn to and the main cause of build-up of pressure loss through 180 rapid degree.Because in traditional filtering film component structure, liquid just is directed to down one deck load plate afterwards through turning to of one time 180 degree at least in the process of each layer dish type load plate of flowing through.

Another purpose of the present utility model is to provide a kind of filtering film component that can be applied to technical fields such as millimicro filtration, hyperfiltration and microfiltration.

For achieving the above object, the utility model provides a kind of permeation filtration membrane module of filter, utilize several this filtering film components that pile up mutually to form a kind of liquid filter, it is characterized by: this filtering film component includes the film pad of a load plate and a respective shapes, and this film pad is sandwiched between two these load plates, in order to form a filtering film component; This load plate has one from the seam shape passage that extends along its radial direction, and this film pad then has one and stitches accordingly; This seam shape passage has a pair of at an angle to the drainage face of the oblique extension of lower floor, this drainage face is embedded in mutually together when this levels load plate piles up each other, make the liquid of upper strata load plate be compelled to press to lower floor's load plate, and exuberantly be clipped in this up and down film pad between the two-layer load plate.

Description of drawings

Fig. 1 is the vertical view of load plate;

Fig. 2 is the sectional drawing of Fig. 1 in the B-B position;

Fig. 3 is the section amplification figure of seam shape passage;

Fig. 4 is the structural map of drainage stake;

Fig. 5 is the vertical view and the sectional drawing of film pad;

Fig. 6 is the flow direction schematic diagram of liquid between load plate that piles up and film pad;

Fig. 7 is the structure section figure of liquid filter.

1: load plate 10:O type circular groove groove

11: annular rim 12: centre bore

13: outstanding bolt piece 14: centralized positioning edge

15: seam shape passage 16: pontic

17: the anti-tangent plane 18 that reverses: drainage stake

180: top 181: narrow limit

182: broadside 19a, 19b: drainage face

2: film pad 20: the film surface

200: infiltration spacer 201: following rete

202: go up rete 21: weld seam

22: centre bore 23: seam

S1: exuberant liquid on the load plate surface

S2: exuberant liquid at seam shape passage

P: infiltration direction

3: liquid filter 31: center pull rod

32: fixed sleeving 33: nut

34: go up stack tray 340: access portal

35: following stack tray 36: go up the turn of tidal stream dish

37: following turn of tidal stream dish 38: upper end cover

39: bottom end cover 40: water inlet

41: concentrate matter sleeve 42: concentrate matter cover joint

The specific embodiment

Use the designed liquid filter that filtering film component constituted 3 of the utility model, can understand from cross-section structure shown in Figure 7.It can be applied to the purposes of retrodialysis, millimicro filtration, hyperfiltration and microfiltration.For the ease of this liquid filter 3 of easier understanding, hereinafter will do an explanation all sidedly.

The liquid filter 3 of this use dish type filtering film component, it includes: a tubular housing 30, it from outside surround a upper and lower turn of tidal stream dish 36,37 and upper and lower end cap 38,39, and then constitute one the sealing container, only enter for thick water, by the center pull rod 31 of a hollow penetrating fluid is discharged then, partly (promptly concentrate matter) then by concentrating matter sleeve 41 and concentrated matter cover joint 42 trickle filters 3 as for remaining thick water by a water inlet 40 that is located at bottom end cover 39.The dish type filtering film component that liquid filter 3 inside are made up of load plate 1 and film pad 2 is fixed by pull bar 31 that passes its center and the upper and lower stack tray 34,35 that is positioned at the two ends of filtering film component.Strength in the time of fixedly is to be regulated by the nut 33 on the top that is screwed on pull bar 31, fixing strength is passed to a stack tray 34 by a fixed sleeving 32 that is enclosed within pull bar 31 peripheries, so will be single individual or several filtering film components that are stacked each other force tightly between upper and lower stack tray 34 and 35.

Thick water is after water inlet 40 enters, to flow to the top of stack tray 34 with rotating up along the outside of the filtering film component that is stacked, access portal 340 by last stack tray 34 enters and is stacked on first load plate 1 of going up most again, liquid enters after the load plate 1, flow and be full of this load plate 1 around pull bar 31 is ringwise, then flow into the load plate 1 of one deck down by a seam shape passage 15, be full of then between the film pad 2 between these two load plates 1, the upper and lower surface of film pad 2 all is full of by thick water.So flow through all load plates 1 and film pad 2 in order.The benefit of this liquid form is: flowing of liquid is very even, does not have the change of very rapid flow direction.For a large amount of liquid, it is stable that the cross section of liquid keeps, and can make liquid flow velocity not have too big difference.The structure of seam shape passage 15 also makes liquid flow velocity therein keep constant.When the two sides of film pad 2 is full of liquid, the liquid and the material of a part will enter the penetrant spacer 200 of internal layer through rete 201,202.And these penetrants that permeate by rete 201,202 will flow into center pull rod 31, and portion discharges liquid filter 3 downwards within it, and then be gone into a permeate collector by drainage.Then leave liquid filter 3 as for remaining thick water section (promptly concentrating matter) by concentrating matter sleeve 41 and concentrated matter cover joint 42.

Fig. 1 is the vertical view of carrier 1 in the utility model, and Fig. 2 then is the sectional drawing of its B-B position.Load plate 1 is a kind of annular solid of plate-like basically, its outer most edge has an annular rim 11, the center has a centre bore 12, the outstanding bolt piece 13 of many mean allocation at circumference arranged in the hole, periphery at centre bore also is provided with a centralized positioning edge 14 in regular turn, with the groove 10 of an annular in order to hold airtight element (as O type ring), a side that thick water can be flowed completely cuts off with a side of permeate flow.And the design of outstanding bolt piece 13 can make load plate 1 pile up each other accurately.

Seam shape passage 15 extends along the radial direction of load plate 1, seam shape passage 15 has a pair of

drainage face

19a, 19b to the oblique extension of lower floor in order to constitute a flow channel for liquids, by this seam shape passage 15, liquid can flow to the plane of one deck load plate 1 down in the plane from this load plate 1 in the exuberant back of the S1 of the annular concentric place of load plate 1 and film pad 2.This process is to realize like this, the opening of seam shape passage 15 extends along its radial direction, constitute a pair of drainage face 19a, the 19b that certain angle is arranged, when being stacked each other, two load plates 1 can be embedded in (see figure 6) together just, liquid can be flowed to the plane of following one deck load plate 1 like this from the plane guidance of upper strata load plate 1, in order to guide liquid, support and fixing film pad 2, on seam shape passage 15, a lot of pontics 16 are housed.Outside at seam shape passage 15, there is one along the anti-tangent plane 17 that reverses that extends with the tangential direction of load plate 1, relative reversing can be so that can not take place between film pad 2 and the load plate 1 in it, upper and lower surface at load plate 1 also is provided with a kind of drainage stake 18 (see figure 4)s, it can allow flowing of liquid more steady, producing suitable vortex provides the needed turbulent flow of film separation rate on film pad 2 surfaces, more can allow keep necessary spacing between film pad 2 and the load plate 1.

The represented drainage stake 18 of Fig. 4 is from the vertical view ovalize, and it has a broadside 182 and a narrow limit 181.It is the surface that is configured in load plate 1 like this: the direction of the involute that its broadside 182 is a starting point along several centers with load plate 1 is arranged, and in the surface configuration of load plate 1 many drainage stakes 18 are arranged, but they is with mainly flow direction institute angulation is different.Near on the isometrical annular flow path at center, liquid is subjected to stopping of broadside 182 and bigger resistance is arranged, more deep than the peripheral annular stream on, what liquid was subjected to narrow limit 181 stops that its resistance is less.By this arrangement, can allow the flow through liquid on surface of load plate 1 have even flow.The top 180 of drainage stake 18 is blunt shape preferably, can avoid injuring responsive film pad 2 like this.Fig. 3 has disclosed in order to the pontic 16 of fixing film pad 2 structure detail in seam shape passage 15 inside.(30 spend between 60 degree two

oblique drainage face

19a, 19b of seam shape passage 15 at an angle, 40 degree are best) oblique extension, they can be inlayed mutually when the mutual stacked combination of load plate 1, make liquid be compelled to depress and enter a darker plane (also please refer to Fig. 6).Pontic 16 is used for fixing the interior film pad 2 of opening scope of seam shape passage 15.A gentle slope is arranged above the pontic 16, and this makes the seam of film pad 2 be clamped and can not get loose.

Because load plate 1 will stand height tightening and operation power, so it is preferably made by synthesis material, permission material that this raw material should be the least possible and liquid infiltration for this reason, have been used the fiber of a part in order to gain in strength in process of production.

Fig. 5 is the vertical view and the cross-sectional view of film pad 2.It is made up of three parts altogether: the infiltration spacer 200 at middle part, following rete 201 and top rete 202.These three layers through specially treated and welding together mutually.The effect of welding is that the penetrant that promptly permeates spacer 200 places in the inside of film pad 2 can only just spill from center pull rod 31 from the center, discharges liquid filter 3 then.Film surface 201 has the characteristic (accurate permeable membrane) that only allows specific material and liquid infiltration to pass through.The direction P of infiltration can see that film pad 2 has a centre bore 22 in the sectional drawing that amplifies, it is to be decided by the outstanding bolt piece 13 on the load plate 1.In addition, film pad 2 also has a seam 23, and it aligns with seam shape passage 15 on the load plate 1 when filtering film component piles up.

As shown in Figure 6, when film pad 2 was sandwiched between two load plates 1, the weld seam 21 of film pad 2 was clamped and is fixed by pontic 16 just.And can guarantee that the upper and lower surface at film body 2 has the liquid communication of general equivalent.

The effect of utility model

The minimizing of the You Yu pressure loss can make the required electric energy of filter apparatus for filtering liquid subtract thereupon Few, therefore so that the used switching system of equipment have more possibility (such as row's shape switch, The sequence switch, tree-like switch).

Application You for wastewater treatment and product recirculating technique thereof anticipates especially on the other hand Justice: it can process seldom liquid and the You investment of volume so that concentrate can continue to flow through You gesture on expense and the operating cost. The a little You gesture of Zhe Zai with the utility model Yong Yu energy resource consumption very Seem more outstanding during the high pressure technique of high infiltrate membrane technology Zhong.

By technology disclosed in the utility model, the annular between Zhi Zai Zai dish and the film pad particularly Movement-oriented design, and the drainage Zhuan that is located at the surface of Zai dish can make the pressure loss than passing The technology of system reduces 50 percent, and the application You that Zhi makes the Zhe technology is the economy of You more, and You is range of application widely.

Claims

1, the permeation filtration membrane module of filter utilizes several this filtering film components that pile up mutually to form a kind of liquid filter, it is characterized by:

This filtering film component includes the film pad of a load plate and a respective shapes, and this film pad is sandwiched between two these load plates, in order to form a filtering film component;

This load plate has one from the seam shape passage that extends along its radial direction, and this film pad then has one and stitches accordingly;

This seam shape passage has a pair of at an angle to the drainage face of the oblique extension of lower floor, this drainage face is embedded in mutually together when this levels load plate piles up each other, make the liquid of upper strata load plate be compelled to press to lower floor's load plate, and exuberantly be clipped in this up and down film pad between the two-layer load plate.

2, the permeation filtration membrane module of filter as claimed in claim 1 is characterized in that, the extension angle of this drainage face is between 30～60 degree.

3, the permeation filtration membrane module of filter as claimed in claim 1 is characterized in that, the extension angle of this drainage face is good with 40 degree.

4, the permeation filtration membrane module of filter as claimed in claim 1 is characterized in that, the opening of this seam shape passage is provided with several pontics, and in order to clamping the weld seam of film pad, and the liquid that the upper and lower surface of film pad has general equivalent flows through.

5, the permeation filtration membrane module of filter as claimed in claim 1, it is characterized in that, the upper and lower surface of this load plate has a plurality of drainage stakes, and this drainage stake has a broadside and a narrow limit, and the direction of the involute that the broadside of this drainage stake is a starting point along several centers with load plate is arranged.

6, the permeation filtration membrane module of filter as claimed in claim 5 is characterized in that, this drainage stake is from the vertical view ovalize, and its top is blunt shape.