CN218435096U - Metal film filter - Google Patents
Metal film filter Download PDFInfo
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- CN218435096U CN218435096U CN202222826594.4U CN202222826594U CN218435096U CN 218435096 U CN218435096 U CN 218435096U CN 202222826594 U CN202222826594 U CN 202222826594U CN 218435096 U CN218435096 U CN 218435096U
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Abstract
The utility model discloses a metal film filter, include: the top surface of the tank body is provided with a collecting port, and the bottom surface of the tank body is provided with a sewage draining port; the upper part and the lower part of the side surface of the water tank are respectively provided with a liquid inlet and a liquid outlet; the water distribution pipe group is arranged at the lower part in the tank body and comprises a collecting pipe and a plurality of branch pipes arranged side by side, the branch pipes are horizontally arranged in the tank body, the branch pipes are connected with the collecting pipe, and the collecting pipe is connected with the liquid outlet; each branch pipe is provided with a plurality of metal film group mounting positions; the metal film group is vertically installed on the metal film group installation position, and comprises a metal film installation seat and a metal film arranged on the metal film installation seat, wherein the metal film surrounds a film cavity, and the metal film is subjected to hydrophilic modification, and the surface of the metal film is covered with a super-hydrophilic and super-oleophobic protection layer. The utility model discloses, filter and oil-water separation through the metal film group that has hydrophilic oleophobic protective layer to carry out the recovery of sump oil through the collection mouth on jar body upper portion, thereby reduce the influence of sump oil to the metal film group, prolong the life of metal film group.
Description
Technical Field
The utility model relates to a filtration equipment technical field, concretely relates to metal film filter.
Background
The metal film filter is made up by using metal powder and its alloy powder as raw material and adopting press-forming or loose-loading sintering process to make the above-mentioned materials into various parts with various shapes and specifications, and is applicable to normal temp. and temp. below 1000 deg.C for separating filtrate from filtrate. The metal film filter has the advantages of high strength, pressure resistance, uniform stress, good high-temperature resistance, high intercommunicating pore content and the like, and is widely applied to various industries such as pharmacy, machinery, electric power, chemical industry, food processing, oil refining, steel mills, sewage treatment, precise filtration, scientific experiments and the like.
A metal membrane filter in the prior art, such as the metal membrane filter provided by the chinese invention patent CN105921021B, comprises a tank body, a filtering water inlet pipeline, a backwashing water outlet pipeline, a filtering water outlet pipeline, and a backwashing water inlet pipeline are arranged in the tank body from top to bottom, and a sewage discharge pipeline is connected below a skirt; a water separator is arranged at the top in the tank body; a filtering water inlet connected with the water separator is arranged outside the tank body, a filtering water outlet is arranged on the right side of the filtering water pipeline, and a liquid collecting pipe are arranged on the filtering water pipeline; the metal film is suspended and installed in the tank body in a radially parallel and vertical layered manner by taking the central line of the filter as the axis.
However, the filtering membrane is connected with the water inlet pipe, oil contamination impurities and the like are trapped in the filtering material in the filtering membrane, and the metal membrane is easily polluted by oil contamination, so that the problem of difficulty in subsequent backwashing is caused. In addition, as the service life of the filter is prolonged, the oil stains cause the blockage of the metal film, so that the water passing amount of the filter is reduced, the filtering efficiency of the metal film filter is reduced, and the service life of the metal film filter is shortened.
In view of the above, there is a need to improve the structure of the metal membrane filter in the prior art, so as to reduce the pollution of oil stains on the metal membrane and prolong the service life of the metal membrane filter.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that the filtration membrane group of current metal film filter is polluted by the greasy dirt easily, causes the jam, leads to metal film filtration efficiency to descend, problem that life is short.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts as follows:
a metal membrane filter comprising:
the top surface of the tank body is provided with a collecting port, and the bottom surface of the tank body is provided with a sewage draining port; a liquid inlet and a liquid outlet are arranged on the side surface of the tank body, and the liquid inlet and the liquid outlet are respectively arranged at the upper part and the lower part of the tank body;
the water distribution pipe set is arranged at the lower part in the tank body and comprises a collecting pipe and a plurality of branch pipes arranged side by side, the branch pipes are horizontally arranged in the tank body and are connected with the collecting pipe, and the collecting pipe is connected with the liquid outlet; each branch pipe is provided with a plurality of metal film group mounting positions;
the metal film group is vertically installed on the metal film group installation position and comprises a metal film installation seat and a metal film arranged on the metal film installation seat, the metal film surrounds a film cavity, the metal film is subjected to hydrophilic modification, and the surface of the metal film is provided with a super-hydrophilic and super-oleophobic protection layer.
In the above technical solution, preferably, the metal film is formed by sequentially stacking five layers of stainless steel wire meshes and vacuum sintering, and includes the protective layer, the filter layer, the dispersion layer, the support skeleton layer and the skeleton layer, which are sequentially arranged from top to bottom.
In the above technical solution, preferably, the protective layer of the metal film has a super-hydrophobic and super-oleophilic property after being subjected to grafting hydrophobic treatment, and the grafting hydrophobic treatment is performed in a siloxane surfactant.
In the above technical solution, preferably, a manifold support is provided below both ends of the manifold, and both ends of the manifold are provided on a top surface of the manifold support.
In the above technical solution, preferably, the tank body is provided with a branch pipe support parallel to the collection pipe, one end of the branch pipe is connected to the side face of the collection pipe, and the other end of the branch pipe is arranged on the top face of the branch pipe support and is fixedly connected to the branch pipe support through a U-shaped hoop.
In the above technical solution, preferably, the bottom surface of the tank body is provided with support legs, and a connecting line of centers of the support legs is an isosceles triangle.
In the above technical scheme, preferably, be equipped with on the metallic film group installation position with the screw rod of the inner chamber intercommunication of branch pipe, be equipped with on the metallic film mount pad with the nut of screw rod looks adaptation.
In the above technical scheme, preferably, the tank body comprises a cylinder body and elliptical seal heads arranged at the upper end and the lower end of the cylinder body.
Compared with the prior art, the utility model provides a metal film filter has super hydrophilic super oleophobic characteristic's protective layer through setting up on the metal film, reduces the pollution of greasy dirt in the oily aquatic to the metal film, simultaneously, collects the mouth through setting up on the top surface of the jar body, discharges the internal sump oil of filter jar, avoids the sump oil to solidify and causes the metal film to block up on the metal film to delay the decline of metal film filter power, prolong its life.
Drawings
Fig. 1 is a side view of the internal structure of a metal membrane filter according to the present invention;
fig. 2 is a top view of the internal structure of the metal membrane filter according to the present invention;
FIG. 3 is an enlarged view taken at A in FIG. 1;
FIG. 4 is a schematic view of the structure of the metal film of the present invention;
fig. 5 is a schematic diagram of the operation of the metal membrane filter according to the present invention.
The correspondence between the names and reference numbers of the components in fig. 1 to 5 is as follows:
a tank body 1, a water distribution pipe group 2, a metal film group 3,
a cylinder body 11, an elliptical seal head 12, a collecting port 13, a sewage draining port 14, a liquid inlet 15, a liquid outlet 16 and support legs 17,
a collecting pipe 21, a branch pipe 22, a collecting pipe bracket 23, a branch pipe bracket 24, a U-shaped pipe hoop 25, a metal membrane group installation position 26,
a metal film mount 31, a metal film 32, a nut 33,
Detailed Description
The utility model provides a metal film filter filters and water oil separating through the metal film group that has hydrophilic oleophobic protective layer to carry out the recovery of sump oil through the collection mouth on jar body upper portion, thereby reduce the pollution of sump oil to the metal film group, prolong the life of metal film group. The invention is described in detail below with reference to the drawings and the detailed description.
As shown in fig. 1 to 5, the metal membrane filter provided by the present invention comprises a tank 1, and a water distribution pipe group 2 and a metal membrane group 3 disposed in the tank 1.
The tank body 1 comprises a cylinder body 11 and elliptical seal heads 12 arranged at the upper end and the lower end of the cylinder body 11. The top surface of the tank body 1 is provided with a collecting port 13, the bottom surface of the tank body 1 is provided with a sewage draining port 14, and the collecting port 13 and the sewage draining port 14 are communicated with the inner cavity of the tank body 1. A liquid inlet 15 and a liquid outlet 16 which are respectively arranged at the upper part and the lower part of the tank body 1 are arranged on the side surface of the tank body 1, and the liquid inlet 15 and the liquid outlet 16 are respectively connected with a liquid inlet pipe and a liquid conveying pipe and are used for conveying liquid into the tank body 1 or discharging the separated liquid from the tank body 1. The bottom surface of the tank body 1 is provided with support legs 17, and the central connecting line of the support legs 17 is in an isosceles triangle shape, so that the stability of the tank body 1 is ensured, and the tank body 1 is prevented from overturning.
The water distribution pipe group 2 is arranged at the lower part of the inner cavity of the tank body 1, and the water distribution pipe group 2 comprises a collecting pipe 21 and a plurality of branch pipes 22 which are arranged side by side. The collecting pipe 21 is arranged along the diameter of the tank body 1, the collecting pipe support 23 is arranged below the two ends of the collecting pipe 21, and the collecting pipe 21 is fixed in the tank body 1 through the collecting pipe support 23.
The branch pipe 22 is horizontally arranged in the tank body 1, one end of the branch pipe 22 is connected with the collecting pipe 21, a branch pipe support 24 is arranged below the other end of the branch pipe 22, the branch pipe support 24 is arranged in parallel with the collecting pipe 21, and the branch pipe 22 is arranged on the top surface of the branch pipe support 24 and is fixedly connected with the branch pipe support 24 through a U-shaped pipe hoop 25 and a nut. Each branch pipe 22 is provided with a plurality of metal film group mounting positions 26.
The multi-group metal film group 3 is vertically arranged on the metal film group installation position 26, each group of metal film group 3 comprises a metal film installation seat 31 and a metal film 32 arranged on the metal film installation seat 31, and the metal film 32 surrounds a film cavity. The metal film mounting seat 31 is provided with a nut 33, the metal film group mounting position 26 is provided with a screw communicated with the inner cavity of the branch pipe 22, and the metal film group 4 is mounted on the branch pipe 22 through the nut 33 and the screw.
The metal film 3 is modified by hydrophilicity, and the surface of the metal film is covered with a super-hydrophilic and super-oleophobic protective layer. The metal film 3 is formed by stacking five layers of stainless steel wire meshes in sequence and sintering in vacuum, and comprises a protective layer 321, a filter layer 322, a dispersion layer 323, a support framework layer 324 and a framework layer 325 which are arranged in sequence from top to bottom. The metal film 3 is grafted and subjected to hydrophobic treatment in a siloxane surfactant, and the hydrophilicity of the metal film is changed from super-hydrophilic super-oleophobic to super-oleophilic super-hydrophobic.
The working process of the utility model is as follows:
1) When the oil content of the sewage is low
Oily sewage gets into jar body 1 through setting up the inlet 15 on jar body 1 upper portion, oily sewage is through jar vertical metal film group 3 that sets up side by side in 1, under the effect that comes hydraulic pressure and metal film 32's the super hydrophilic super oleophobic protective layer 321 of cladding on the surface, greasy dirt and suspended solid granule in the sewage are held back in the outside of metal film 32, the water purification gets into the membrane intracavity of metal film 32, converge to the header pipe 21 in along branch pipe 22, from jar body 1 lower part's liquid outlet 16 entering recovery pipeline, and the dirty oil that is held back is discharged from jar collection mouth 13 on the body top surface.
When the water pressure in and out of the tank body 1 exceeds a set value, the metal membrane group 3 in the tank body 1 needs to be cleaned reversely. Backwash water enters from the liquid outlet 16 and enters into each metal membrane group 3 through the collecting pipe 21 and the branch pipes 22 to clean the metal membranes 32 from inside to outside, so as to realize backwash regeneration of the metal membranes 32.
2) When the oil content of the sewage is higher
The metal film 32 of the can body 1 is subjected to a graft hydrophobic treatment. The hydrophilic modified metal film 32 is further surface modified in siloxane surfactant to graft hydrophobic group, so that the protective layer 321 with super-hydrophilic and super-oleophobic properties on the surface of the metal film 32 is changed into the protective layer 322 with super-hydrophobic and super-oleophilic properties, after the oily sewage passes through the metal film 32, oil enters the film cavity of the metal film 32 through the metal film 32, and water is isolated outside the film, so that oil-water separation is realized.
Compared with the prior art, the utility model provides a metal film filter adopts the water distribution mode of house steward-branch pipe, compares in the water distribution mode of traditional loudspeaker formula, has higher water flux, not only from having improved metal film filter's filtration efficiency, can also make metal film filter water distribution more even when the backwash, makes metal film's backwash more thorough, has improved metal film's backwash effect, prolongs its life.
The utility model discloses, through to the metal film through hydrophilic modification treatment, make its surface have super hydrophilic super oleophobic characteristic to the oil to improve the oily effect of dredging on metal film surface, make the metal film surface have the protective layer that anti-soil performance is good, thereby guarantee that the metal film is not polluted by the greasy dirt in the use, in time handle jar interior sump oil through the collection mouth on the jar body top surface simultaneously, reduce the dwell of greasy dirt near the metal film, thereby reduce the accumulation of sump oil on the metal film.
In the utility model, after the metal membrane is treated by hydrophilic modification, the surface of the metal membrane is provided with a protective layer with super-hydrophilic and super-oleophobic properties, so that the dirty oil can be isolated outside the membrane when the sewage with lower oil content is treated; through carrying out grafting hydrophobic group treatment on the metal film, the protective layer of the metal film has super-hydrophobic and super-oleophylic characteristics, thereby being capable of isolating water outside the film and realizing the recovery of oil. The utility model discloses, can be used for the filtration recovery of low oily sewage normal water, also can be used to the recovery of oil in the high oily sewage, can be used to the processing of emulsified oil, realize the breakdown of emulsion of emulsified oil, have extensive suitability.
The present invention is not limited to the above-mentioned best mode, and any person should learn the structural change made under the teaching of the present invention, all with the present invention has the same or similar technical solution, all fall into the protection scope of the present invention.
Claims (8)
1. A metal membrane filter, comprising:
the top surface of the tank body is provided with a collecting port, and the bottom surface of the tank body is provided with a sewage draining port; a liquid inlet and a liquid outlet are arranged on the side surface of the tank body, and the liquid inlet and the liquid outlet are respectively arranged at the upper part and the lower part of the tank body;
the water distribution pipe group is arranged at the lower part in the tank body and comprises a collecting pipe and a plurality of branch pipes arranged side by side, the branch pipes are horizontally arranged in the tank body, the branch pipes are connected with the collecting pipe, and the collecting pipe is connected with the liquid outlet; each branch pipe is provided with a plurality of metal film group installation positions;
the metal film group is vertically installed on the metal film group installation position and comprises a metal film installation seat and a metal film arranged on the metal film installation seat, a film cavity is defined by the metal film, the metal film is subjected to hydrophilic modification, and the surface of the metal film is provided with a super-hydrophilic and super-oleophobic protection layer.
2. The metal film filter of claim 1, wherein the metal film is formed by sequentially stacking five layers of stainless steel wire meshes and performing vacuum sintering, and comprises the protective layer, the filter layer, the dispersion layer, the supporting framework layer and the framework layer which are sequentially arranged from top to bottom.
3. The metal membrane filter of claim 2, wherein the protective layer of the metal membrane has a super-hydrophobic and super-oleophilic characteristic after being subjected to a grafting hydrophobic treatment in a siloxane surfactant.
4. The metal membrane filter of claim 1, wherein a manifold support is provided below both ends of the manifold, and both ends of the manifold are provided on a top surface of the manifold support.
5. The metal membrane filter according to claim 1, wherein a branch tube support is arranged in the tank body and parallel to the collecting tube, one end of the branch tube is connected with the side surface of the collecting tube, and the other end of the branch tube is arranged on the top surface of the branch tube support and is fixedly connected with the branch tube support through a U-shaped hoop.
6. The metal film filter of claim 1, wherein a support leg is arranged on the bottom surface of the tank body, and a connecting line of centers of the support legs is in the shape of an isosceles triangle.
7. The metal film filter as claimed in claim 1, wherein the metal film group mounting position is provided with a screw rod communicated with the inner cavity of the branch pipe, and the metal film mounting seat is provided with a nut adapted to the screw rod.
8. The metal membrane filter of claim 1, wherein the canister comprises a cylinder and elliptical heads disposed on upper and lower ends of the cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222826594.4U CN218435096U (en) | 2022-10-26 | 2022-10-26 | Metal film filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222826594.4U CN218435096U (en) | 2022-10-26 | 2022-10-26 | Metal film filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218435096U true CN218435096U (en) | 2023-02-03 |
Family
ID=85071128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222826594.4U Active CN218435096U (en) | 2022-10-26 | 2022-10-26 | Metal film filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218435096U (en) |
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2022
- 2022-10-26 CN CN202222826594.4U patent/CN218435096U/en active Active
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