CN209188541U - A kind of uniform hyperfiltration membrane assembly of water distribution - Google Patents

Abstract

The utility model belongs to water-treatment technology field.The water-flow equation in each section is uneven in traditional hyperfiltration membrane assembly putamina, for the problems of the prior art, the utility model discloses a kind of uniform hyperfiltration membrane assemblies of water distribution, including putamina, are respectively arranged on the upper end cover and lower cover, the aeration membrane equipped with uniformly distributed micropore, support column at putamina both ends；The side of upper end cover is equipped with water purification mouth；The side of lower cover is equipped with water inlet, and bottom is equipped with the air inlet being connected with double external screw thread connectors, and the inner wall of lower cover is equipped with the annular slot being clamped with aeration membrane and the groove with support column cooperation；Outlet pipe and water inlet pipe are equipped in putamina, outlet pipe top is equipped with concentrated water spout, and water inlet pipe bottom end is communicated with water inlet, and water inlet pipe includes the side water inlet pipe of central tube water inlet pipe and several circular center water inlet pipe distributions, is equipped with permeable hole on water inlet pipe；The upper end of ultrafiltration membrane filaments is communicated with upper end cover cavity, and lower end is shut.Water-flow equation is uniform in putamina in the process of running for the utility model.

Description

A kind of uniform hyperfiltration membrane assembly of water distribution

Technical field

The utility model relates to a kind of hyperfiltration membrane assemblies, and in particular to a kind of uniform hyperfiltration membrane assembly of water distribution belongs to water Processing technology field.

Background technique

In recent years, water pollution situation is more serious with industrialized continuous development.It is aobvious according to world health investigation Show, the disease in the whole world 80% is related with Drinking Water poor water quality.In today that living standard significantly improves, people are to water The requirement of processing is also higher and higher, ultrafiltration be it is a kind of solution can be purified and isolated membrane separation technique, utilize ultrafiltration membrane Solvent (such as hydrone) in solution, small organic molecule can be made to penetrate, thus by solution suspended matter, protein and The macromolecular substances such as microorganism retention, to achieve the purpose that purification and separation.Currently, clean water treatment generally uses hyperfiltration membrane assembly Target water is filtered.

Existing hyperfiltration membrane assembly, as shown in Figure 1, the raw water entered from the inlet is usually by being located at putamina center Aperture on the central tube at place enters between ultrafiltration membrane filaments and putamina, and the water flow in each section, which is usually present, in putamina is unevenly distributed The case where, the operating load for easily leading to each section in putamina is not of uniform size, widens film wire pollution speed and pollution journey in each section The difference of degree increases the cleaning difficulty of film wire, influences the average life of membrane module.

Utility model content

For the problems of the prior art, the utility model provides a kind of uniform hyperfiltration membrane assembly of water distribution, super to improve The uniformity of water-flow equation in filter membrane component putamina improves the situation that each film wire pollution is uneven in hyperfiltration membrane assembly, keeps film wire easy In cleaning.

To realize the above technical purpose, the technical solution of the utility model is:

A kind of uniform hyperfiltration membrane assembly of water distribution, including putamina, upper end cover, lower cover, hollow fiber film yarn and exposure Gas part；The upper end cover is set to the top of putamina, and the side of upper end cover is equipped with water purification mouth；The lower cover is set to the bottom of putamina The side at end, lower cover is equipped with water inlet, and water inlet is connected with water inlet pipe, and the bottom of lower cover is equipped with air inlet, the lower end The inner wall of lid is equipped with annular slot and groove, wherein groove is located at below annular slot；It is equipped with and is vertically arranged in the putamina Outlet pipe and water inlet pipe, the outlet pipe is located at putamina top, and the top of outlet pipe is pierced by upper end cover, the top of outlet pipe upwards End is equipped with concentrated water spout, and concentrated water spout is connected with concentrated water pipe, and the water inlet pipe is located at putamina lower part, and the bottom end of water inlet pipe is pierced by lower cover And communicated with water inlet, if the water inlet pipe includes central tube water inlet pipe and dry side water inlet pipe, center water inlet pipe is located at putamina Center, outside water inlet pipe are arranged around center water inlet pipe, are equipped on the tube wall of central tube water inlet pipe and side water inlet pipe Water hole；The hollow fiber film yarn is set between upper end cover and lower cover and between each water inlet pipe, and doughnut is super The upper end of filter membrane silk is communicated with upper end cover cavity, and lower end is blocked with epoxy resin；The aerated portion includes aeration membrane, support Column and connector, the aeration membrane are set in the cover cavity of lower end and are clamped with annular slot, and aeration membrane is equipped with uniform point The micropore of cloth；The support column is set in the cover cavity of lower end and is located at below aeration membrane, and support column and groove are matched by interference Connection is closed, support column is used to support aeration membrane；The connector is double external screw thread connectors, wherein outside the upper end of connector Screw thread is matched with the internal screw thread for being set to lower cover bottom, and lower end external screw thread is connected with compressed air pipe.

The utility model hyperfiltration membrane assembly structure is simple, is distributed by setting central tube water inlet pipe and around center water inlet pipe Side water inlet pipe can improve hyperfiltration membrane assembly so that hyperfiltration membrane assembly, when carrying out Water warfare, water-flow equation is uniform in putamina In the uneven situation of each film wire pollution, reduce the speed of fouling membrane, be readily cleaned film wire, the service life of hyperfiltration membrane assembly is prolonged It is long.In addition, the utility model is by setting aeration membrane, carrying out aeration using micropore equally distributed on aeration membrane can make The water inlet of compressed air and water inlet uniformly mix to improve hyperfiltration membrane assembly in the process of running in putamina air be distributed it is equal Even property, mixed uniformly gas-liquid can form uniform concussion between hollow-fibre membrane, during on the one hand making clean water treatment Pollutant is not easy in ultrafiltration membrane filaments surface aggregation, can further be delayed the pollution speed of film wire, on the other hand be made cleaning process In be deposited on the pollutant on ultrafiltration membrane filaments surface and be easy to peel off and cleaned water is taken away, can be further improved cleaning effect saving It cleans water consumption and extends the longevity of hyperfiltration membrane assembly furthermore it is also possible to prevent hyperfiltration membrane assembly from water hammer occurring in the process of cleaning Life；Aeration membrane can be prevented excessive because springing back when stopping being aerated the support column that aeration membrane plays a supportive role by setting It is damaged caused by and, extends the service life of aeration membrane.

Preferably, the permeable number of perforations on each side water inlet pipe is identical, and is permeable hole on the water inlet pipe of center 2 times of number.The uniformity that can be further improved water distribution is arranged such.

Preferably, the permeable hole helically arrange by formula.The utility model is by setting helical arrangement at center Permeable hole on pipe can promote to form turbulent flow, so that coming into full contact with for raw water and ultrafiltration membrane filaments, reinforces hyperfiltration membrane assembly Filter effect.

Preferably, the hyperfiltration membrane assembly further includes return pipe, and return pipe one end is connected with water inlet pipe, the other end It is connected with concentrated water pipe, the junction of return pipe and water inlet pipe and concentrated water pipe is equipped with two-way valve.The utility model is by being arranged back The multiple circulating filtration of water may be implemented in flow tube and two-way valve, improves filter effect.

Preferably, the hollow fiber film yarn by epoxy resin be locked in upper end cover and lower cover it Between, wherein the epoxy resin in upper end separates putamina inner cavity and upper end cover cavity, and the epoxy resin in lower end is by putamina Inner cavity is separated with lower end cover cavity.

Preferably, the micro-pore shape is S-shaped.The utility model by by the micropore on aeration membrane by existing Linear stomata is improved to serpentine camber line stomata, and the rupture of camber line stomata not will cause the whole tearing of aeration membrane appearance at one, this Outside, since the elastic torsion of rubber membrane acts on, the curved arc part that camber line micropore opens back curve micropore under gas pressure is presented The small shape of the big collar extension of internal orifice is capable of increasing micro-pore aeration area, reduces aeration resistance.

Preferably, the aerated portion further includes non-return valve, and non-return valve is set at air inlet.The utility model is logical It crosses setting non-return valve water flow when not being aerated or stop aeration can be effectively prevented and air inlet pipeline and sky be back to by aeration membrane In press.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of existing hyperfiltration membrane assembly；

Fig. 2 is the structural schematic diagram of the utility model；

Fig. 3 is the partial enlarged view of the utility model；

Fig. 4 is the structural schematic diagram of aeration membrane in the utility model；

Appended drawing reference:

100. in 211. concentrated water spout of upper end cover 110. water purification mouth, 200. putamina, 210. outlet pipe, 220. water inlet pipe 221. 240. epoxy resin of heart water inlet pipe 222. side water inlet pipe, 223. permeable hole, 230. hollow fiber film yarn, 300. lower cover 310. water inlet, 320. air inlet, 330. annular slot, 340. groove, 410. aeration membrane, 411. micropore, 420. support column 430. connector, 440. non-return valve, 5. raw water tubes, 6. return pipe, 61. two-way valve, 7. concentrated water pipe

Specific embodiment

In conjunction with Fig. 1 to Fig. 4, a specific embodiment of the utility model is described in detail, but not to the power of the utility model Benefit requires to do any restriction.

As shown in Figures 1 to 4, a kind of hyperfiltration membrane assembly of uniform air distribution, including putamina 200, upper end cover 100, lower cover 300, hollow fiber film yarn 230 and aerated portion；

The upper end cover 100 is set to the top of putamina 200, and the side of upper end cover 100 is equipped with water purification mouth 110；The lower end Lid 300 is set to the bottom end of putamina 200, and the side of lower cover 300 is equipped with water inlet 310, and water inlet 310 is connected with raw water tubes 5, under The bottom of end cap 300 is equipped with air inlet 320, and the inner wall of the lower cover 300 is equipped with annular slot 330 and groove 340, In, groove 340 is located at 330 lower section of annular slot；

It is equipped with the outlet pipe 210 and water inlet pipe 220 being vertically arranged in the putamina 200, the outlet pipe 210 is located at putamina 200 tops, the top of outlet pipe 210 are pierced by upper end cover 100 upwards, and the top of outlet pipe 210 is equipped with concentrated water spout 211, concentrated water spout 211 are connected with concentrated water pipe 7, and the water inlet pipe 220 is located at putamina lower part, the bottom end of water inlet pipe 220 be pierced by lower cover 300 and with into The mouth of a river 310 communicates, if the water inlet pipe 220 includes central tube water inlet pipe 221 and dry side water inlet pipe 222, center water inlet pipe 221 In the center of putamina 200, side water inlet pipe 222 is arranged around center water inlet pipe 221, central tube water inlet pipe 221 and side water inlet Permeable hole 223 is equipped on the tube wall of pipe 222, wherein the permeable number of perforations on each side water inlet pipe is identical, and is center water inlet pipe 2 times of upper permeable number of perforations；

The hollow fiber film yarn 230 is locked between upper end cover 100 and lower cover 300 by epoxy resin 240, And between each water inlet pipe, wherein the epoxy resin 240 in upper end by 200 inner cavity of putamina and 100 inner cavity of upper end cover every It opens, the epoxy resin 240 in lower end separates 200 inner cavity of putamina and 300 inner cavity of lower cover, hollow fiber film yarn 230 Upper end communicated with 100 inner cavity of upper end cover, lower end with epoxy resin 240 block；

The aerated portion includes aeration membrane 410, support column 420, connector 430 and non-return valve 440, the aeration film Piece 410 is set to intracavitary in lower cover 300 and is clamped with annular slot 330, and aeration membrane 410 is equipped with equally distributed micropore 411,411 shape of micropore is S-shaped；The support column 420 is set to intracavitary in lower cover 300 and is located at 410 lower section of aeration membrane, branch By interference fit connection, support column 420 is used to support aeration membrane 410 for dagger 420 and groove 340；The connector 430 is Double external screw thread connectors 430, wherein the upper external screw thread of connector 430 matches with the internal screw thread for being set to 300 bottom of lower cover It closes, lower end external screw thread is connected with compressed air pipe；The non-return valve 440 is set at air inlet 320, be not aerated for preventing or Water flow is back in air inlet pipeline and air compressor machine by aeration membrane 410 when stopping aeration.

For the multiple circulating filtration for realizing water, filter effect is improved, the hyperfiltration membrane assembly further includes return pipe 6, reflux 6 one end of pipe is connected with raw water tubes 5, and the other end is connected with concentrated water pipe 7, and return pipe 6 and the junction of raw water tubes 5 and concentrated water pipe 7 are equal Equipped with two-way valve 61.

Water purification working principle:

Raw water enters from the inlet, and the permeable hole through center water inlet pipe and each side water inlet pipe enters between water inlet pipe and putamina Each section in, the water-flow equation in putamina is uniform, a part of raw water through film wire become permeate by film wire inner cavity through water purification Mouth outflow, is not discharged through the concentrated water of film wire by concentrated water spout.Compressed air is entered in lower cover by non-return valve while water inlet, Diffusion heaves aeration membrane after being full of rapidly in the space below aeration membrane, and the micropore on aeration membrane is acted in pressure Lower opening, air bloats small uniform bubble by micropore into water inlet, so that air and raw water are in membrane module It adequately and uniformly mixes, mixed uniformly gas-liquid can form uniform concussion between hollow fiber film yarn, make water purification Pollutant in filter process is not easy in ultrafiltration membrane filaments surface aggregation.Stop aeration, the micropore on aeration membrane is being sprung back For the lower closure of shrinking rapidly of power effect to prevent counter-current of sewage from seeping in lower cover, diaphragm is tightly attached to diaphragm support round tube surface, inverse Only valve is closed to prevent sewage to be back in air inlet pipeline and air compressor machine by aeration membrane.

When needing to carry out multiple circulating filtration to water, using two-way valve, so that passing through back from the concentrated water that concentrated water spout is discharged Flow tube enters water inlet and is filtered again.

In conclusion the utility model has the advantage that

1. the utility model hyperfiltration membrane assembly structure is simple, by setting central tube water inlet pipe and around center water inlet pipe point The side water inlet pipe of cloth, can make the inlet distribution of hyperfiltration membrane assembly bottom uniform, so that hyperfiltration membrane assembly is net in progress water When change, water-flow equation is uniform in putamina, can improve the situation that each film wire pollution is uneven in hyperfiltration membrane assembly, reduce fouling membrane Speed is readily cleaned film wire, and the service life of hyperfiltration membrane assembly extends.

2. permeable hole of the utility model by setting helical arrangement on central tube, can promote to form turbulent flow, to make Raw water and ultrafiltration membrane filaments come into full contact with, reinforce the filter effect of hyperfiltration membrane assembly.

3. the multiple circulating filtration of water may be implemented by setting return pipe and two-way valve in the utility model, filtering is improved Effect.

4. the utility model is by setting aeration membrane, carrying out aeration using micropore equally distributed on aeration membrane can be with Make compressed air and water inlet intake uniformly mix to improve hyperfiltration membrane assembly air is distributed in putamina in the process of running Uniformity, mixed uniformly gas-liquid can form uniform concussion between hollow-fibre membrane, during on the one hand making clean water treatment Pollutant be not easy that the pollution speed of film wire can be delayed in ultrafiltration membrane filaments surface aggregation, on the other hand make in cleaning process sink Pollutant of the product on ultrafiltration membrane filaments surface is easy to peel off and cleaned water is taken away, and cleaning effect saving cleaning water consumption can be improved, Furthermore it is also possible to prevent hyperfiltration membrane assembly from water hammer occurring in the process of cleaning, extend the service life of hyperfiltration membrane assembly；By setting It sets caused by can preventing aeration membrane when stopping aeration due to springing back excessively the support column that aeration membrane plays a supportive role Damage, extends the service life of aeration membrane.

It is interior in horn-like after gas pressure cabling hole opening 5. the micropore on existing aeration membrane is in linear stomata Mouthful small collar extension is big, easily causes vapour lock and causes atmospheric pressure lost, in addition, string holes rupture often will cause aeration membrane and integrally tear at one It splits, the utility model is by being improved to serpentine camber line stomata for the micropore on aeration membrane, and the rupture of camber line stomata will not make at one There is whole tearing at aeration membrane, further, since the elastic torsion of rubber membrane acts on, camber line micropore is opened under gas pressure The small shape of the big collar extension of internal orifice is presented in the curved arc part of back curve micropore, and micro-pore aeration area increases, and aeration resistance reduces.

6. water flow when not being aerated or stop aeration can be effectively prevented by setting non-return valve for the utility model passes through aeration Diaphragm is back in air inlet pipeline and air compressor machine.

It is understood that being merely to illustrate the utility model above with respect to the specific descriptions of the utility model and not being It is limited to technical solution described in the utility model embodiment.Those skilled in the art should understand that still can be with It modifies to the utility model or equivalent replacement, to reach identical technical effect；Needs are used as long as meeting, all in this reality Within novel protection scope.

Claims (7)

1. a kind of uniform hyperfiltration membrane assembly of water distribution, which is characterized in that including putamina, upper end cover, lower cover, Hollow Fiber Ultrafiltration Film wire and aerated portion；The upper end cover is set to the top of putamina, and the side of upper end cover is equipped with water purification mouth；The lower cover is set to The side of the bottom end of putamina, lower cover is equipped with water inlet, and water inlet is connected with water inlet pipe, and the bottom of lower cover is equipped with air inlet, The inner wall of the lower cover is equipped with annular slot and groove, wherein groove is located at below annular slot；It is equipped in the putamina The outlet pipe and water inlet pipe being vertically arranged, the outlet pipe are located at putamina top, and the top of outlet pipe is pierced by upper end cover upwards, out The top of water pipe is equipped with concentrated water spout, and concentrated water spout is connected with concentrated water pipe, and the water inlet pipe is located at putamina lower part, and the bottom end of water inlet pipe is worn It lower cover and is communicated out with water inlet, if the water inlet pipe includes central tube water inlet pipe and dry side water inlet pipe, center water inlet pipe position In the center of putamina, outside water inlet pipe is arranged around center water inlet pipe, on the tube wall of central tube water inlet pipe and side water inlet pipe It is equipped with permeable hole；The hollow fiber film yarn is set between upper end cover and lower cover and between each water inlet pipe, in The upper end of fibre ultrafiltration film wire is communicated with upper end cover cavity, and lower end is blocked with epoxy resin；The aerated portion includes aeration Diaphragm, support column and connector, the aeration membrane are set in the cover cavity of lower end and are clamped with annular slot, set on aeration membrane There is equally distributed micropore；The support column is set in the cover cavity of lower end and is located at below aeration membrane, and support column and groove are logical Interference fit connection, support column are used to support aeration membrane；The connector is double external screw thread connectors, wherein connector Upper external screw thread be set to lower cover bottom internal screw thread match, lower end external screw thread is connected with compressed air pipe.

2. the uniform hyperfiltration membrane assembly of water distribution as described in claim 1, which is characterized in that permeable on each side water inlet pipe Number of perforations is identical, and is 2 times of permeable number of perforations on the water inlet pipe of center.

3. the uniform hyperfiltration membrane assembly of water distribution as described in claim 1, which is characterized in that the permeable hole helically arrange by formula Cloth.

4. the uniform hyperfiltration membrane assembly of water distribution as described in claim 1, which is characterized in that the hyperfiltration membrane assembly further includes back Flow tube, return pipe one end are connected with water inlet pipe, and the other end is connected with concentrated water pipe, the junction of return pipe and water inlet pipe and concentrated water pipe It is equipped with two-way valve.

5. the uniform hyperfiltration membrane assembly of water distribution as described in claim 1, which is characterized in that the film wire fixing pipe passes through epoxy Resin encapsulation is between upper end cover and lower cover, wherein the epoxy resin in upper end by putamina inner cavity and upper end cover cavity every It opens, the epoxy resin in lower end separates putamina inner cavity and lower end cover cavity.

6. the uniform hyperfiltration membrane assembly of water distribution as described in claim 1, which is characterized in that the micro-pore shape is S-shaped.

7. the uniform hyperfiltration membrane assembly of water distribution as described in claim 1, which is characterized in that the aerated portion further includes check Valve, non-return valve are set at air inlet.