CN109908762A - It is a kind of to flow to non-flat line resistant formula membrane component and the filter core with the membrane component - Google Patents

It is a kind of to flow to non-flat line resistant formula membrane component and the filter core with the membrane component Download PDF

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Publication number
CN109908762A
CN109908762A CN201910190095.0A CN201910190095A CN109908762A CN 109908762 A CN109908762 A CN 109908762A CN 201910190095 A CN201910190095 A CN 201910190095A CN 109908762 A CN109908762 A CN 109908762A
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film unit
water
long
film
concentrated water
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陈小平
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Guangdong Lizi Technology Co Ltd
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Foshan Viomi Electrical Technology Co Ltd
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Priority claimed from CN201811461996.0A external-priority patent/CN109499376A/en
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Abstract

It is a kind of to flow to non-flat line resistant formula membrane component, it is provided with multi-disc film unit and central tube, central tube is connected to film unit.The concentrated water that the second film unit that the present invention flows to non-flat line resistant formula membrane component generates the first film unit plays the role of conflux to improve concentrated water in the flow velocity of the second film unit, it reduces the droop loss of feed water flow and reduces fouling risk, therefore can improve service life.The present invention extends the flow path of water flow in the case where identical effective area.The water flow that the present invention flows to non-flat line resistant formula membrane component simultaneously can make water flow turn back twice to be filtered, improve producing water ratio.Furthermore raw water of the invention is parallel with the second width A in the flow direction of the first film unit, and concentrated water A is vertical with the second width B in the flow direction of the second film unit, and such benefit is can to reduce raw water in the crushing of the first film unit while extend concentrated water A in the flow path of the second film unit.

Description

It is a kind of to flow to non-flat line resistant formula membrane component and the filter core with the membrane component
Technical field
The present invention relates to filter plant fields, in particular to a kind of to flow to non-flat line resistant formula membrane component and have the film The filter core of element.
Background technique
In the prior art, the common filter core of domestic and international water purifier is that rolling filter core is filtered water.The front of membrane component Interlayer forms raw water runner, and back side interlayer forms stream of pure water road.The water flow of the rolling filter core of conventional design is in filter membrane surface stream It is fast slowly, when membrane component water rate is higher or when water purification water quality is poor, it is serious in the concentration polarization phenomenon of filter membrane surface, produce The phenomenon that raw fouling and product water deteriorating water quality.
Therefore, in view of the shortcomings of the prior art, provide it is a kind of flow to non-flat line resistant formula membrane component and have the membrane component Filter core it is very necessary to solve prior art deficiency.
Summary of the invention
One of purpose of the invention is to avoid in place of the deficiencies in the prior art and provides and a kind of flow to non-flat line Resistant formula membrane component.This flow to non-flat line resistant formula membrane component have the advantages that it is resistant to pollution.
Above-mentioned purpose of the invention is realized by following technical measures:
There is provided it is a kind of flow to non-flat line resistant formula membrane component, be provided with multi-disc film unit and central tube, central tube and film Unit connection.
The film unit for carrying out first time processing to raw water first is defined as the first film unit, raw water will be carried out second The film unit of processing is defined as the second film unit.
Raw water enter to the first film unit and handled pure water A and concentrated water A, concentrated water A enter to the second film unit, concentrated water A handles to obtain pure water B and concentrated water B through the second film unit, and raw water the first film unit flow direction and concentrated water A in the second film unit Flow to it is non-parallel, concentrated water B discharge flow to non-parallel formula resistant formula membrane component, pure water A and pure water B through central tube discharge flow to it is non-flat Line resistant formula membrane component.
Preferably, above-mentioned first film unit, which is provided with, produces the water surface and water entering surface.
Preferably, above-mentioned first film unit is the first film unit for being folded in half into the double-deck rectangle structure, and water entering surface is opposite, Conduplication side is rectangular short side, and conduplication side is defined as the first width A, the short side opposite with conduplication side is defined as the second width A, Two long sides adjacent with conduplication side are defined as the first long A and the second long A, and the second width A is carried out along water entering surface by sealing material Encapsulation process, the second long A are raw water inlet, and the first long A is the first concentrated water water outlet.
Preferably, above-mentioned second film unit, which is provided with, produces the water surface and water entering surface.
Preferably, above-mentioned second film unit is the second film unit for being folded in half into the double-deck rectangle structure, and water entering surface is opposite, Conduplication side is rectangular short side, and conduplication side is defined as the first width B, the short side opposite with conduplication side is defined as the second width B, Two long sides adjacent with conduplication side are defined as the first long B and the second long B, and the first long B and the second long B pass through sealing along water entering surface Material be sealed processing and the first long B far from the second width B there are the concentrated water water inlet for conveying concentrated water A, the second width B is Second concentrated water water outlet.
Raw water enter to the first film unit from raw water inlet and handled pure water A and concentrated water A, concentrated water A are dense from first Water water outlet flows out the first film unit and simultaneously turns to, and then concentrated water A enters to the second film unit from concentrated water water inlet, and concentrated water A is through the Two film units handle to obtain pure water B and concentrated water B, and concentrated water A the second film unit flow direction and raw water the first film unit flow direction Orthogonal, concentrated water B flows to non-parallel formula resistant formula membrane component from the discharge of the second concentrated water water outlet, and pure water A and pure water B are through center Pipe discharge flows to non-parallel formula resistant formula membrane component.
Raw water is parallel with the second width A in the flow direction of the first film unit, flow direction and second width B of the concentrated water A in the second film unit Vertically.
Preferably, the film unit rolled centered on pipe centered on above-mentioned film unit.
Preferably, above-mentioned central tube is not connected to water entering surface.
When the first film unit and the second film unit are unfolded, the first long A and the first long B are located at the same side, the second long A and the Two long B are located at the same side, and the width of the first wide A and first B is located at the same side, and the width of the second wide A and second B is located at the same side.
Preferably, the production water surface of above-mentioned first film unit is provided with sealing dress along the first long A, the width of the second long A and second A It sets, sealing device is tightly connected with the first adjacent film unit film or the second film unit corresponding position respectively, is formed with first Wide A is the pure water cavity configuration of outlet.
Preferably, the production water surface of above-mentioned second film unit is provided with sealing dress along the first long B, the second long B and with the second width B It sets, sealing device is tightly connected with the first adjacent film unit film or the second film unit corresponding position respectively, is formed with first Wide B is the pure water cavity configuration of outlet.
It is of the invention to flow to non-flat line resistant formula membrane component and be additionally provided with end cap for turning to concentrated water A, end cap dress Assigned in the first film unit and the second film unit and it is located at the first long side A.
Preferably, the return water for accommodating concentrated water A is provided between above-mentioned end cap and the first film unit and the second film unit Chamber.
Preferably, above-mentioned central tube is single end seal enclosed water inlet pipe and closed end is located at the first long side A.
Preferably, the side of above-mentioned central tube is provided with the through-hole passed through for flowing water.
Preferably, the piece number of above-mentioned first film unit and the piece number of the second film unit are than the piece for 1:9~9:1 and film unit Number is less than or equal to 10.
Preferably, above-mentioned first film unit is reverse osmosis membrane unit, nanofiltration film unit or ultrafiltration film unit.
Preferably, above-mentioned second film unit is reverse osmosis membrane unit, nanofiltration film unit or ultrafiltration film unit.
Upon deployment, multi-disc film unit is in stacked arrangement to film unit.
Upon deployment, the first film unit and the second film unit are in arrangement of extending for film unit.
When film unit expansion, the maximum distance of film unit and adjacent film unit is defined as D1, the perimeter of central tube is fixed Justice is D2, and D1≥D2;Or
At least one of first film unit is defined as the first film group, remaining first film unit and the definition of the second film unit For the second film group, the first film group and the second film group are in arrangement of extending;When film unit upon deployment, by the first film group and the second film group Maximum distance be defined as D3, the perimeter of central tube is defined as D2, and D3≥D2
The non-flat line resistant formula membrane component that flows to of the invention is additionally provided with production water grid piece, water inlet grid piece and concentrated water lattice Mesh sheet, production water grid piece are set to pure water cavity configuration and not with water inlet face contacts, and grid piece of intaking is set to the first film unit Water entering surface and not with produce the water surface contact, water inlet grid piece be set to the second film unit water entering surface and not with produce the water surface contact.
Preferably, above-mentioned water inlet grid piece is 3D reticular structure water inlet grid piece.
Preferably, above-mentioned concentrated water grid piece is 3D reticular structure concentrated water grid piece.
Preferably, above-mentioned production water grid piece is 3D flow-guiding cloth concentrated water grid piece.
Preferably, above-mentioned water inlet grid and concentrated water grid piece with a thickness of 13mil~34mil.
Preferably, above-mentioned production water grid piece with a thickness of 8mil~15mil.
Sealing material is polyurethane or epoxy type glue.
Sealing device is polyurethane or epoxy type glue.
Preferably, above-mentioned water inlet grid and concentrated water grid piece with a thickness of 17mil~24mil.
Preferably, above-mentioned production water grid piece with a thickness of 9mil~12mil.
Preferably, the length of the above-mentioned first long A and the first long B are all 26~125cm.
Preferably, the length of the above-mentioned first wide A and the first wide B are all 15~50cm.
It is of the invention it is a kind of flow to non-flat line resistant formula membrane component, be provided with multi-disc film unit and central tube, central tube It is connected to film unit.The film unit for carrying out first time processing to raw water first is defined as the first film unit, raw water will be carried out The film unit of second of processing is defined as the second film unit.Raw water enters to the first film unit and is handled to obtain pure water A and concentrated water A, concentrated water A enter to the second film unit, and concentrated water A handles to obtain pure water B and concentrated water B through the second film unit, and raw water is in the first film list The flow direction and concentrated water A of member are non-parallel in flowing to for the second film unit, and concentrated water B discharge flows to non-parallel formula resistant formula membrane component, pure Water A and pure water B flows to non-parallel formula resistant formula membrane component through central tube discharge.The present invention flows to non-flat line resistant formula membrane component The second film unit concentrated water that the first film unit is generated play the role of conflux to improve concentrated water in the flow velocity of the second film unit, It reduces the droop loss of feed water flow and reduces fouling risk, therefore can improve service life.The present invention is in identical effective area In the case where extend water flow flow path.The water flow that the present invention flows to non-flat line resistant formula membrane component simultaneously can make water flow turn back It is filtered twice, improves producing water ratio.Furthermore raw water of the invention is parallel with the second width A in the flow direction of the first film unit, dense Water A is vertical with the second width B in the flow direction of the second film unit, and such benefit is can to reduce raw water in the crushing of the first film unit Extend concentrated water A in the flow path of the second film unit simultaneously.
A kind of filter with the membrane component is provided another object of the present invention is to avoid the deficiencies in the prior art place Core.The filter core has the advantages that resistant to pollution.
Above-mentioned purpose of the invention is realized by following technical measures:
A kind of filter core is provided, flows to non-flat line resistant formula membrane component with above-mentioned.
A kind of filter core of the invention, have flow to non-flat line resistant formula membrane component, the flow velocity of concentrated water can be improved, reduce into The droop loss and reduction fouling risk of water flow, to improve service life.
Detailed description of the invention
Using attached drawing, the present invention is further illustrated, but the content in attached drawing is not constituted to any limit of the invention System.
A kind of structural schematic diagram for flowing to non-flat line resistant formula membrane component that Fig. 1 is.
Fig. 2 is the folding process schematic diagram of the first film unit.
Fig. 3 is the folding process schematic diagram of the second film unit.
Fig. 4 is the lamination process schematic diagram of film unit and adjacent film unit.
Fig. 5 is the water (flow) direction schematic diagram of the first film unit water entering surface.
Fig. 6 is the water (flow) direction schematic diagram of the second film unit water entering surface.
Fig. 7 is the water (flow) direction schematic diagram for producing the water surface.
Fig. 8 is a kind of structural schematic diagram for flowing to non-flat line resistant formula membrane component of embodiment 1.
Fig. 9 is structural schematic diagram of the Fig. 8 when rolling.
Figure 10 be embodiment 4 film unit upon deployment, structural schematic diagram.
Figure 11 be embodiment 5 film unit upon deployment, structural schematic diagram.
Fig. 1 includes into Figure 11:
Film unit 1,
First film unit 11, the first wide A 111, the second wide A 112, the first long A 113, the second long A 114, raw water water inlet The 115, first concentrated water water outlet 116 of mouth,
Second film unit 12, the first wide B 121, the second wide B 122, the first long B 123, the second long B 124, concentrated water water inlet The 125, second concentrated water water outlet 126 of mouth,
Central tube 2,
It produces the water surface 3, water entering surface 4, pure water cavity configuration 5, produce water grid piece 6, water inlet grid piece 7, concentrated water grid piece 8, end cap 9、
First film group A1, the first film group B1.
Specific embodiment
Technical solution of the present invention is described further with the following Examples.
Embodiment 1.
It is a kind of to flow to non-flat line resistant formula membrane component and be provided with multi-disc film unit 1 and central tube as shown in Figures 1 to 9 2, central tube 2 is connected to film unit 1.
The film unit 1 for carrying out first time processing to raw water first is defined as the first film unit 11, the will be carried out to raw water The film unit 1 of secondary treatment is defined as the second film unit 12.
Raw water enters to the first film unit 11 and is handled to obtain pure water A and concentrated water A, and concentrated water A enters to the second film unit 12, Concentrated water A handles to obtain pure water B and concentrated water B through the second film unit 12, and raw water the first film unit 11 flow direction and concentrated water A second Flowing to for film unit 12 is non-parallel, and concentrated water B discharge flows to non-parallel formula resistant formula membrane component, and pure water A and pure water B are through central tube 2 Discharge flows to non-parallel formula resistant formula membrane component.
First film unit 11, which is provided with, produces the water surface 3 and water entering surface 4.
First film unit 11 is the first film unit 11 for being folded in half into the double-deck rectangle structure, and water entering surface 4 is opposite, conduplication side For rectangular short side, conduplication side is defined as the first wide A 111, the short side opposite with conduplication side is defined as the second width A 112, two long sides adjacent with conduplication side are defined as the first long A 113 and the second long A 114, and the second wide A 112 is along water entering surface 4 It is sealed processing by sealing material, the second long A 114 is raw water inlet 115, and the first long A 113 is the water outlet of the first concentrated water Mouth 116.
Second film unit 12, which is provided with, produces the water surface 3 and water entering surface 4.
Second film unit 12 is the second film unit 12 for being folded in half into the double-deck rectangle structure, and water entering surface 4 is opposite, conduplication side For rectangular short side, conduplication side is defined as the first wide B 121, the short side opposite with conduplication side is defined as the second width B 122, two long sides adjacent with conduplication side are defined as the first long B 123 and the second long B 124, the first long B 123 and the second long B 124 along water entering surface 4 are sealed processing by sealing material and the first long B123 is there are for conveying far from the second wide B 122 The concentrated water water inlet 125 of concentrated water A, the second wide B 122 are the second concentrated water water outlet 126.
Raw water enters to the first film unit 11 from raw water inlet 115 and is handled to obtain pure water A and concentrated water A, and concentrated water A is from One concentrated water water outlet 116 flows out the first film unit 11 and turns to, and then concentrated water A enters to the second film list from concentrated water water inlet 125 Member 12, concentrated water A handles to obtain pure water B and concentrated water B through the second film unit 12, and concentrated water A is in the flow direction and raw water of the second film unit 12 Orthogonal in flowing to for the first film unit 11, concentrated water B flows to non-parallel formula resistant formula film from the discharge of the second concentrated water water outlet 126 Element, pure water A and pure water B flow to non-parallel formula resistant formula membrane component through the discharge of central tube 2.
Raw water is parallel with the second wide A 112 in the flow direction of the first film unit 11, concentrated water A the second film unit 12 flow direction with Second wide B 122 is vertical.
The benefit of raw water and the flow direction of concentrated water A is can to reduce raw water to extend concentrated water simultaneously in the crushing of the first film unit 11 Flow path of the A in the second film unit 12.
The film unit 1 rolled centered on pipe 2 centered on film unit 1.
Central tube 2 is not connected to water entering surface 4.
When the first film unit 11 and the second film unit 12 are unfolded, the first long A 113 and the first long B 123 is located at same Side, the second long A 114 and the second long B 124 are located at the same side, and the first wide A 111 and the first wide B 121 is located at the same side, and second Wide A 112 and the second wide B 122 are located at the same side.
The production water surface 3 of first film unit 11 is provided with sealing along the first long A 113, the second long A 114 and the second wide A 112 Device, sealing device are tightly connected with adjacent 11 film of the first film unit or 12 corresponding position of the second film unit respectively, are formed It take the first wide A111 as the pure water cavity configuration 5 of outlet.
The production water surface 3 of second film unit 12 is provided with close along the first long B 123, the second long B 124 and with the second wide B 122 Seal apparatus, sealing device are tightly connected with adjacent 11 film of the first film unit or 12 corresponding position of the second film unit respectively, shape At the pure water cavity configuration 5 for taking the first wide B121 as outlet.
Of the invention flows to non-flat line resistant formula membrane component, is additionally provided with the end cap 9 for turning to concentrated water A, end cap 9 It is assemblied in the first film unit 11 and the second film unit 12 and is located at the first long 113 side A.
The backwater cavity for accommodating concentrated water A is provided between end cap 9 and the first film unit 11 and the second film unit 12.
Raw water enters to the first film unit 11 from raw water inlet 115 and is handled to obtain pure water A and concentrated water A, and concentrated water A is from One concentrated water water outlet 116 flows out the first film unit 11, and concentrated water A is simultaneously turned under the action of end cap 9 in backwater cavity, then dense Water A enters to the second film unit 12 from concentrated water water inlet 125, and concentrated water A handles to obtain pure water B and concentrated water B through the second film unit 12, and Concentrated water A is orthogonal in flowing to for the first film unit 11 in the flow direction and raw water of the second film unit 12, and concentrated water B goes out from the second concentrated water The discharge of the mouth of a river 126 flows to non-parallel formula resistant formula membrane component, pure water A and pure water B and flows to the first wide B 121 from pure water cavity configuration 5 With the first wide 111 direction A, last pure water A and pure water B are discharged through central tube 2 and flow to non-parallel formula resistant formula membrane component.
Central tube 2 is single end seal enclosed water inlet pipe and closed end is located at the first long 113 side A.The side of central tube 2 It is provided with the through-hole passed through for flowing water.
First film unit 11 of the invention is reverse osmosis membrane unit 1, nanofiltration film unit 1 or ultrafiltration film unit 1, specific reality Depending on applying a mode according to the actual situation.First film unit 11 of the present embodiment is reverse osmosis membrane unit 1.
Second film unit 12 of the invention is reverse osmosis membrane unit 1, nanofiltration film unit 1 or ultrafiltration film unit 1, specific reality Depending on applying a mode according to the actual situation.Second film unit 12 of the present embodiment is reverse osmosis membrane unit 1.
Upon deployment, multi-disc film unit is in stacked arrangement to film unit 1.
The non-flat line resistant formula membrane component that flows to of the invention is additionally provided with production water grid piece 6, water inlet grid piece 7 and concentrated water Grid piece 8 produces water grid piece 6 and is set to pure water cavity configuration 5 and does not contact with water entering surface 4, and water inlet grid piece 7 is set to the first film The water entering surface 4 of unit 11 and not with produce the water surface 3 contact, water inlet grid piece 7 be set to the second film unit 12 water entering surface 4 and not with It produces the water surface 3 to contact, as shown in Figure 8.It is not indicated in the structure of the production water grid piece 6 of Fig. 9.
Grid piece 7 of intaking is 3D reticular structure water inlet grid piece 7.Concentrated water grid piece 8 is 3D reticular structure concentrated water grid piece 8.Production water grid piece 6 is 3D flow-guiding cloth concentrated water grid piece 8.
Water inlet grid and concentrated water grid piece 8 of the invention with a thickness of 13mil~34mil, preferably 17mil~24mil, Depending on specifically implementing thickness according to the actual situation.The water inlet grid of the present embodiment and concentrated water grid piece 8 with a thickness of 18mil.
Production water grid piece 6 of the invention with a thickness of 8mil~15mil, preferably 9mil~12mil, it is specific implement it is thick Depending on spending according to the actual situation.The water inlet grid of the present embodiment and concentrated water grid piece 8 with a thickness of 18mil.
The length of the long A 113 and the first long B 123 of of the invention first is all 26~125cm, as 30cm, 60cm, 80cm, 100cm, 120cm etc., specific length according to the actual situation depending on.The length of of the invention first wide A 111 and the first wide B 121 Degree is all 15~50cm, such as 16cm, 18cm, 20cm, 40cm, 49cm, specific length according to the actual situation depending on.This implementation The length of first long A 113 and the first long B 123 of example is 50cm, and the length of the first wide A 111 and the first wide B 121 is all 30cm。
Sealing material of the invention can be polyurethane, or epoxy type glue, specific embodiment mode according to Depending on actual conditions.Sealing device can be polyurethane, or epoxy type glue, specific embodiment mode is according to reality Depending on situation.The sealing material of the present embodiment is polyurethane, and sealing device is polyurethane.
The production water surface 3 and water entering surface 4 of the invention is common knowledge, and those skilled in the art should know to produce 3 He of the water surface The effect and difference of water entering surface 4, are not repeated herein.
The present invention flows to the concentrated water that the second film unit 12 of non-flat line resistant formula membrane component generates the first film unit 11 Play the role of conflux, to improve concentrated water in the flow velocity of the second film unit 12, reduces the droop loss of feed water flow and reduce fouling Risk, therefore can improve service life.The water flow that the present invention flows to non-flat line resistant formula membrane component simultaneously can be such that water flow rolls over It returns and is filtered twice, improve producing water ratio.Furthermore the flow direction of water flow of the invention inside film unit 1 is all with rectangle knot The longitudinal direction of structure flows, so as to so that the flow velocity of water flow maximizes, the preferably risk of reduction fouling.
Embodiment 2.
A kind of to flow to non-flat line resistant formula membrane component, other features are same as Example 1, the difference is that: this hair The piece number of the first bright film unit 11 and the piece number of the second film unit 12 are than being less than or waiting for the piece number of 1:9~9:1 and film unit 1 In 10.
First film unit 11 of the present embodiment is specially 2.Second film unit 12 is specially 1.The first of the present embodiment The piece number ratio of film unit 11 and the second film unit 12 is 2:1.
It should be noted that the first film unit 11 of the invention can be set to 2, it may be alternatively provided as 3,4,5,6 Piece, 7,8,9 etc., if arbitrary number greater than 2 and less than 9, while total the piece number of film unit 1 being kept to be less than or wait In 10, and the number of the first film unit 11 is not less than the second film unit 12, all can flow to non-flat line resistant formula for the present invention First film unit 11 of membrane component.
Compared with Example 1, the water processed of the present embodiment is more efficient, the concentrated water water velocity of the second film unit 12 faster, To which fouling risk is lower.
Embodiment 3.
A kind of to flow to non-flat line resistant formula membrane component, other features are same as Example 2, the difference is that: this reality The first film unit 11 for applying example is specially 3.Second film unit 12 of the present embodiment is provided with 2.
The piece number of first film unit 11 of the invention and the piece number of the second film unit 12 are than for 1:1~9:1 and film unit 1 The piece number is less than or equal to 10.First film unit 11 of the present embodiment and the piece number ratio of the second film unit 12 are 3:2.
It should be noted that the second film unit 12 of the invention can be set to 2, it may be alternatively provided as 3,5,7,9 Piece etc. as long as being greater than 2 arbitrary number and less than 9, while keeping the piece number of film unit 1 to be less than or equal to 10, and first The number of film unit 11 is not less than the second film unit 12, and the second film of non-flat line resistant formula membrane component can be all flowed to for the present invention Unit 12.
Compared with Example 2, the water processed of the present embodiment is more efficient.
Embodiment 4.
A kind of to flow to non-flat line resistant formula membrane component, other features are same as Example 3, as shown in Figure 10, difference It is in: film unit 1 upon deployment, the first film unit 11 and the second film unit 12 are in arrangement of extending.
When film unit 1 is unfolded, the maximum distance of film unit 1 and adjacent film unit 1 is defined as D1, the week of central tube 2 Length is defined as D2, and D1≥D2
Compared with Example 3, the film unit 1 of the present embodiment and adjacent 1 maximum distance of film unit are more than or equal to center The perimeter of pipe 2 can be rolled centered on central tube 2 convenient for multi-disc film unit 1.
Embodiment 5.
A kind of to flow to non-flat line resistant formula membrane component, other features are same as Example 4, as shown in figure 11, difference Be in: at least one of first film unit 11 is defined as the first film group A1, remaining first film unit 11 and the second film list Member 12 is defined as the second film group B1, the first film group A1 and the second film group B1 in arrangement of extending.When film unit 1 upon deployment, by The maximum distance of one film group A1 and the second film group B1 are defined as D3, the perimeter of central tube 2 is defined as D2, and D3≥D2
By 3 the first film units 11 wherein any one be defined as the first film group A1, other two first film unit 11 The second film group B1, which is defined as, with 2 the second film units 12 works as all film units 1 upon deployment, the first film group A1 and the second film group B1 Maximum distance be defined as D3, and D3≥D2
Compared with Example 1, the maximum distance of the first film group A1 of the present embodiment and the second film group B1 are more than or equal to The perimeter of central tube 2 can be rolled centered on central tube 2 convenient for multi-disc film unit 1.
Embodiment 6.
A kind of filter core flows to non-flat line resistant formula membrane component with embodiment 1.
A kind of filter core can improve the flow velocity of concentrated water, reduce the droop loss of feed water flow and reduce fouling risk, to improve Service life.
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention rather than protects to the present invention The limitation of range, although the invention is described in detail with reference to the preferred embodiments, those skilled in the art should be managed Solution, can be with modifying or equivalently replacing the technical solution of the present invention, without departing from the essence and model of technical solution of the present invention It encloses.

Claims (10)

1. a kind of flow to non-flat line resistant formula membrane component, it is characterised in that: be provided with multi-disc film unit and central tube, central tube It is connected to film unit;
The film unit for carrying out first time processing to raw water first is defined as the first film unit, second will be carried out to raw water and is handled Film unit be defined as the second film unit;
Raw water enters to the first film unit and is handled to obtain pure water A and concentrated water A, and concentrated water A enters to the second film unit, concentrated water A warp Second film unit handles to obtain pure water B and concentrated water B, and raw water the first film unit flow direction and concentrated water A the second film unit stream To non-parallel, concentrated water B discharge flow to non-parallel formula resistant formula membrane component, pure water A and pure water B flowed to through central tube discharge it is non-parallel Formula resistant formula membrane component.
2. according to claim 1 flow to non-flat line resistant formula membrane component, it is characterised in that: first film unit is set It is equipped with and produces the water surface and water entering surface;
First film unit is the first film unit for being folded in half into the double-deck rectangle structure, and water entering surface is opposite, and conduplication side is length Rectangular short side, is defined as the first width A for conduplication side, the short side opposite with conduplication side is defined as the second width A, with conduplication side phase Two adjacent long sides are defined as the first long A and the second long A, and the second width A is sealed processing by sealing material along water entering surface, the Two long A are raw water inlet, and the first long A is the first concentrated water water outlet;
Second film unit, which is provided with, produces the water surface and water entering surface;
Second film unit is the second film unit for being folded in half into the double-deck rectangle structure, and water entering surface is opposite, and conduplication side is length Rectangular short side, is defined as the first width B for conduplication side, the short side opposite with conduplication side is defined as the second width B, with conduplication side phase Two adjacent long sides are defined as the first long B and the second long B, and the first long B and the second long B are carried out along water entering surface by sealing material close Envelope processing and the first long B are far from the second width B, there are the concentrated water water inlet for conveying concentrated water A, the second wide B goes out for the second concentrated water The mouth of a river;
Raw water enter to the first film unit from raw water inlet and handled pure water A and concentrated water A, concentrated water A go out from the first concentrated water The mouth of a river is flowed out the first film unit and is turned to, and then concentrated water A enters to the second film unit from concentrated water water inlet, and concentrated water A is through the second film Cell processing obtains pure water B and concentrated water B, and concentrated water A is mutual in the flow direction of the first film unit in the flow direction and raw water of the second film unit Vertically, concentrated water B flows to non-parallel formula resistant formula membrane component from the discharge of the second concentrated water water outlet, and pure water A and pure water B are arranged through central tube Non-flat line resistant formula membrane component is flowed to out;
Raw water is parallel with the second width A in the flow direction of the first film unit, and concentrated water A is vertical with the second width B in the flow direction of the second film unit.
3. according to claim 2 flow to non-flat line resistant formula membrane component, it is characterised in that: centered on the film unit The film unit rolled centered on pipe;
The central tube is not connected to water entering surface;
When the first film unit and the second film unit are unfolded, the first long A and the first long B are located at the same side, and the second long A and second is long B is located at the same side, and the width of the first wide A and first B is located at the same side, and the width of the second wide A and second B is located at the same side.
4. according to claim 3 flow to non-flat line resistant formula membrane component, it is characterised in that: first film unit Produce the water surface and the first long A, the width of the second long A and second A be provided with sealing device, sealing device respectively with the first adjacent film unit Film or the second film unit corresponding position are tightly connected, and being formed with the first width A is the pure water cavity configuration exported;
The production water surface of second film unit is provided with sealing device, sealing device along the first long B, the second long B and with the second width B It is tightly connected respectively with the first adjacent film unit film or the second film unit corresponding position, being formed with the first width B is outlet Pure water cavity configuration;
It is additionally provided with the end cap for turning to concentrated water A, end cap is assemblied in the first film unit and the second film unit and is located at first The long side A;
The backwater cavity for accommodating concentrated water A is provided between the end cap and the first film unit and the second film unit;
The central tube is single end seal enclosed water inlet pipe and closed end is located at the first long side A;
The side of the central tube is provided with the through-hole passed through for flowing water.
5. according to claim 4 flow to non-flat line resistant formula membrane component, it is characterised in that: first film unit The piece number and the piece number of the second film unit are than being less than or equal to 10 for the piece number of 1:9~9:1 and film unit;
First film unit is reverse osmosis membrane unit, nanofiltration film unit or ultrafiltration film unit;
Second film unit is reverse osmosis membrane unit, nanofiltration film unit or ultrafiltration film unit.
6. according to claim 5 flow to non-flat line resistant formula membrane component, it is characterised in that: film unit upon deployment, Multi-disc film unit is in stacked arrangement.
7. according to claim 5 flow to non-flat line resistant formula membrane component, it is characterised in that: film unit upon deployment, First film unit and the second film unit are in arrangement of extending;
When film unit expansion, the maximum distance of film unit and adjacent film unit is defined as D1, the perimeter of central tube is defined as D2, and D1≥D2;Or
At least one of first film unit is defined as the first film group, remaining first film unit and the second film unit are defined as Two film groups, the first film group and the second film group in arrangement of extending, when film unit upon deployment, most by the first film group and the second film group Big distance definition is D3, the perimeter of central tube is defined as D2, and D3≥D2
8. flowing to non-flat line resistant formula membrane component according to claim 6 or 7, it is characterised in that: it is additionally provided with production Water grid piece, water inlet grid piece and concentrated water grid piece, produce water grid piece be set to pure water cavity configuration and not with water inlet face contact, into Water grid piece is set to the water entering surface of the first film unit and does not contact with the production water surface, and water inlet grid piece is set to the second film unit Water entering surface and not with produce the water surface contact;
The water inlet grid piece is 3D reticular structure water inlet grid piece;
The concentrated water grid piece is 3D reticular structure concentrated water grid piece;
The production water grid piece is 3D flow-guiding cloth concentrated water grid piece;
It is described water inlet grid and concentrated water grid piece with a thickness of 13mil~34mil;
It is described produce water grid piece with a thickness of 8mil~15mil;
Sealing material is polyurethane or epoxy type glue;
Sealing device is polyurethane or epoxy type glue.
9. according to claim 8 flow to non-flat line resistant formula membrane component, it is characterised in that: the water inlet grid and dense Water grid piece with a thickness of 17mil~24mil;
It is described produce water grid piece with a thickness of 9mil~12mil;
The length of the first long A and the first long B is all 26~125cm;
The length of the first wide A and the first wide B is all 15~50cm.
10. a kind of filter core, it is characterised in that: flow to non-flat line resistant formula with as claimed in any one of claims 1 to 9 Membrane component.
CN201910190095.0A 2018-11-30 2019-03-13 It is a kind of to flow to non-flat line resistant formula membrane component and the filter core with the membrane component Pending CN109908762A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN201822005383 2018-11-30
CN201811461996.0A CN109499376A (en) 2018-11-30 2018-11-30 A kind of wound membrane filter core and filtration system
CN2018220053838 2018-11-30
CN2018114619960 2018-11-30

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