CN217518996U - Gradient filter element for hydraulic oil purification - Google Patents
Gradient filter element for hydraulic oil purification Download PDFInfo
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- CN217518996U CN217518996U CN202221016990.4U CN202221016990U CN217518996U CN 217518996 U CN217518996 U CN 217518996U CN 202221016990 U CN202221016990 U CN 202221016990U CN 217518996 U CN217518996 U CN 217518996U
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- glass fiber
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- 239000010720 hydraulic oil Substances 0.000 title claims abstract description 27
- 238000000746 purification Methods 0.000 title claims abstract description 6
- 239000003365 glass fiber Substances 0.000 claims abstract description 31
- 239000012528 membrane Substances 0.000 claims abstract description 25
- 239000000463 material Substances 0.000 claims abstract description 22
- 239000002184 metal Substances 0.000 claims description 14
- 239000004745 nonwoven fabric Substances 0.000 claims description 11
- 230000007704 transition Effects 0.000 claims description 11
- 239000000835 fiber Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 5
- 238000005516 engineering process Methods 0.000 claims description 4
- 239000002002 slurry Substances 0.000 claims description 4
- 238000001914 filtration Methods 0.000 abstract description 19
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 230000008859 change Effects 0.000 abstract description 4
- 239000011230 binding agent Substances 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 230000000750 progressive effect Effects 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 53
- 239000011148 porous material Substances 0.000 description 5
- 239000003344 environmental pollutant Substances 0.000 description 4
- 231100000719 pollutant Toxicity 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 239000003292 glue Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
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Abstract
The utility model discloses a gradient filter element for hydraulic oil purification, which relates to the technical field of hydraulic oil and is used for solving the problem of poor filtering performance of the existing filtering equipment to hydraulic oil, and the gradient filter element for hydraulic oil purification comprises an upper end cover, a lower end cover and a core body, wherein the core body comprises an inner support framework and a filter material, the filter material comprises a gradient glass fiber filter membrane, the gradient glass fiber filter membrane comprises three layers of filter layers with progressive precision, two ends of the core body are respectively connected with the upper end cover and the lower end cover, the filter element of the scheme uses the gradient glass fiber filter membrane, the gradient glass fiber filter membrane is a three-dimensional network structure which is formed by mutually interweaving glass fiber yarns of the filter layers with different precisions, binding force is arranged between the layers, the use of binding agent between the layers is not needed, and the continuous change of aperture exists in the inner structure, the filtering resistance is reduced, the filtering performance and the production efficiency of the filter paper are improved, and the service life of the filter element is prolonged.
Description
Technical Field
The utility model relates to a hydraulic oil technical field, in particular to a gradient filter core for hydraulic oil purifies.
Background
The hydraulic oil is a working medium for transmitting fluid power and providing lubrication in a hydraulic system, and the cleanliness grade of the hydraulic oil directly influences the working stability, reliability and service life of hydraulic elements and systems. When more solid particle pollutants are mixed in the hydraulic oil, the system components are accelerated to wear, the service life is shortened, the system is blocked, the electro-hydraulic servo valve is stuck and fails, and other faults are caused. And the pollution control of hydraulic oil in the hydraulic system is controlled by filtering of the filter element.
The folding glass fiber filter element is widely applied to a hydraulic system, while the common folding filter element only comprises a single-precision effective filter layer, and the aperture is reduced if the filtering precision is improved, so that the filtering resistance is increased, and the service life is shortened; or the filter precision and the filter resistance can be balanced only by increasing the number of the filters, but the equipment occupies a large area, the production cost is high, the pressure difference of the single-precision filter element rises quickly during production, the filter element is easy to block and needs to be replaced in time, the time consumed in the production process is greatly increased, and the production cost is improved.
In order to solve the problems, the prior art provides a gradient structure type filter element, namely, the filter element is formed by laminating and compounding filter layers with gradually increased filter precision from outside to inside, although the filter performance is improved, the obvious interface between the filter layers is not beneficial to separation, and the thick glass fiber layer and the thin glass fiber layer of the filter material are bonded together through the action of a binder, the binder can fill the inner pores of the filter material, the pollutant receiving capacity and the filter resistance of the filter element are influenced, the filter performance of the filter element is reduced, and the service life of the filter element is shortened.
Therefore, in view of the above-mentioned scheme in the actual manufacturing and the missing part of implementing the use, and revise, improve, at the same time by the spirit and the theory of seeking well to by professional knowledge, experience's assistance, and after many ways are ingeniously thought, experimental, the side created the utility model discloses, provide a gradient filter core for hydraulic oil purifies again specially for solve the relatively poor problem of filtering quality of current filtration equipment to hydraulic oil.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a gradient filter core for hydraulic oil purifies for there is the relatively poor problem of filtering quality of current filtration equipment to hydraulic oil among the solution prior art.
The technical scheme of the utility model is realized like this:
the utility model provides a gradient filter core for hydraulic oil purifies, includes upper end cover, lower extreme cover and core, the core includes interior support skeleton and filter media, the filter media includes the gradient glass fiber filter membrane, the gradient glass fiber filter membrane includes the filter bed that the three-layer precision advances one by one, the core both ends are connected with upper end cover, lower extreme cover respectively.
In a preferred embodiment, the filter is a pleated filter.
In a preferred embodiment, the pleated filter medium has a W-shaped pleated structure in the circumferential direction.
In a preferred embodiment, the two ends of the core body are respectively processed and bonded with the upper end cover and the lower end cover by using a bonding technology.
As a preferred embodiment, the three filter layers of the gradient glass fiber filter membrane are respectively a coarse filter layer, a transition layer and a fine filter layer, fibers of slurry contact surfaces of the three layers of the coarse filter layer, the transition layer and the fine filter layer are mutually permeated and formed at one time in a forming process, the fibers are mutually interwoven into a three-dimensional network structure, and the precision of the coarse filter layer, the precision of the transition layer and the precision of the fine filter layer are sequentially increased.
As a preferred embodiment, the folding filter material comprises a galvanized metal mesh, a non-woven fabric and a metal wire mesh, and the folding filter material is sequentially arranged from outside to inside as the galvanized metal mesh, the non-woven fabric, the gradient glass fiber filter membrane, the non-woven fabric and the metal wire mesh.
The utility model has the advantages that:
compared with the traditional filter element, the filter element of the scheme uses the gradient glass fiber filter membrane, the gradient glass fiber filter membrane is a good three-dimensional network structure formed by mutually interweaving glass fiber yarns of filter layers with different precisions, and due to the binding force between layers, the use of adhesives between layers is not needed, and the continuous change of pore diameter exists in the inner structure of the filter element, so that the filter resistance is reduced, and the filter performance of the filter paper and the production efficiency are improved. The utility model discloses a foldable filter media of drum need not multistage series connection as the filter core purifies hydraulic oil, has reduced the equipment space, has practiced thrift the cost, the very big extension the life of filter core.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is an exploded view of an embodiment of the present invention;
fig. 3 is a schematic structural view of a gradient glass fiber filter membrane according to an embodiment of the present invention.
In the figure, 1-upper end cap; 2-folding the filter material; 3, supporting the framework internally; 4-lower end cap; 5-coarse filtration layer; 6-a transition layer; 7-fine filtering layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature.
In the description of the embodiments, the terms "disposed," "connected," and the like are to be construed broadly unless otherwise explicitly specified or limited. For example, the connection can be fixed, detachable or integrated; can be mechanically or electrically connected; either directly or through an intervening medium, or through internal communication between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 3, a gradient filter element for purifying hydraulic oil comprises an upper end cover 1, a lower end cover 4 and a core body, wherein the core body comprises an inner support framework 3 and a filter material, the filter material comprises a gradient glass fiber filter membrane, the gradient glass fiber filter membrane comprises three layers of filter layers with progressive precision, and two ends of the core body are respectively connected with the upper end cover 1 and the lower end cover 4.
The filter material is a folded filter material 2, and the folded filter material 2 is of a W-shaped folding structure along the circumferential direction.
The two ends of the core body are respectively processed, bonded and formed with the upper end cover 1 and the lower end cover 4 by adopting a bonding technology.
The three filter layers of the gradient glass fiber filter membrane are respectively a coarse filter layer 5, a transition layer 6 and a fine filter layer 7, fibers of slurry contact surfaces of the coarse filter layer 5, the transition layer 6 and the fine filter layer 7 are mutually permeated and formed at one time in the forming process, the fibers are mutually interwoven into a good three-dimensional network structure, and the precision of the coarse filter layer 5, the precision of the transition layer 6 and the precision of the fine filter layer 7 are sequentially increased.
The folding filter material 2 comprises a galvanized metal net, a non-woven fabric and a metal wire mesh, and the folding filter material 2 is sequentially provided with the galvanized metal net, the non-woven fabric, a gradient glass fiber filter membrane, the non-woven fabric and the metal wire mesh from outside to inside.
The gradient folding filter element comprises an upper end cover 1, a lower end cover 4, an inner support framework 3 made of stainless steel and a folding filter material 2, wherein the folding filter material 2 is wound on the inner support framework 3 to form a core body, and the core body and the upper end cover and the lower end cover 4 are processed and formed by adopting a glue joint technology.
The inner support framework 3 is a stainless steel cylinder with the thickness of 2-3mm, the length of 50cm and the pipe diameter of 12-15 cm; the folding filter material 2 is of a W-shaped folding structure, has the same pleat height, and is respectively a white galvanized metal net, a non-woven fabric, a gradient glass fiber filter membrane, a non-woven fabric and a black metal wire mesh from outside to inside; the diameters of the upper end cover 1 and the lower end cover 4 are 152mm, and the stainless steel plate with the thickness of 0.8mm is adopted for preparation; the folding filter material 2 is arranged at the periphery of the inner support framework 3 to form a core body, and two ends of the core body are bonded on the upper end cover 1 and the lower end cover 4 through epoxy resin glue;
the gradient glass fiber filter membrane is formed by effectively controlling the process, the fibers of different layers of slurry contact surfaces are mutually permeated in the forming process and are formed at one time, so that the fibers are mutually interwoven into a three-dimensional network structure, each filter layer is formed in an extremely-precise manner and has certain interlayer bonding force, the use of an adhesive between layers is not needed, and the filter resistance is reduced and the filtering performance and the production efficiency of the filter paper are improved because the continuous change of the pore diameter exists in the internal structure.
The gradient glass fiber filter membrane has a thickness of 0.50-0.60mm, 3 layers of filter layers with different precisions, the uppermost layer is a rough filter layer 5(10-30 micrometers), the middle layer is a porous layer, and the lower layer is a fine filter layer 7 with a pore size of 1-10 micrometers.
When hydraulic oil passes through the filter element, the surface of the coarse filter layer 5 is firstly screened and filtered to capture larger pollutant particles, so that the burden of the subsequent fine filter layer 7 is reduced, and the service life of the gradient glass fiber filter membrane is prolonged; the transition layer 6 provides a larger dirt storage space, and the fine filtering layer 7 is used for ensuring the filtering efficiency of the filter material;
under the pressure of the existing production system, the improved filter element with the gradient shows good pressure resistance, the filtering capacity and the pollutant carrying capacity of the filter element are improved, the service life of the filter element is prolonged, the downtime is reduced, the cost is saved, and the productivity is improved.
The utility model has the advantages that:
compared with the traditional filter element, the filter element of the scheme uses the gradient glass fiber filter membrane, the gradient glass fiber filter membrane is a good three-dimensional network structure formed by mutually weaving glass fiber yarns of filter layers with different precisions, and due to the binding force between the layers, the use of an adhesive between the layers is not needed, and the continuous change of the pore diameter exists in the internal structure of the filter element, so that the filtering resistance is reduced, and the filtering performance of the filter paper and the production efficiency are improved. The utility model discloses a foldable filter media of drum need not multistage series connection as the filter core purifies hydraulic oil, has reduced the equipment space, has practiced thrift the cost, the very big extension the life of filter core.
The above description is only for the preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention. In addition, the technical solutions between the various embodiments can be combined with each other, but must be based on the realization of those skilled in the art; when the technical solutions are contradictory or cannot be combined, the combination of the technical solutions should be considered to be absent, and is not within the protection scope of the present invention.
Claims (6)
1. The utility model provides a gradient filter core for hydraulic oil purifies, its characterized in that includes upper end cover, lower extreme cover and core, the core includes interior support skeleton and filter media, the filter media includes the gradient glass fiber filter membrane, the gradient glass fiber filter membrane includes the filter layer that the three-layer precision advances, the core both ends are connected with upper end cover, lower extreme cover respectively.
2. The gradient filter element for hydraulic oil purification according to claim 1, wherein the filter material is a pleated filter material.
3. The gradient filter element for hydraulic oil purification of claim 2, wherein the pleated filter material is a W-shaped pleated structure along the circumferential direction.
4. The gradient filter element for purifying hydraulic oil of claim 1, wherein two ends of the core body are respectively processed and bonded with the upper end cover and the lower end cover by using a bonding technology.
5. The gradient filter element for purifying hydraulic oil of claim 1, wherein the three filter layers of the gradient glass fiber filter membrane are a coarse filter layer, a transition layer and a fine filter layer, respectively, fibers of slurry contact surfaces of the coarse filter layer, the transition layer and the fine filter layer are mutually permeated and formed at one time in a forming process, the fibers are mutually interwoven into a three-dimensional network structure, and the precision of the coarse filter layer, the precision of the transition layer and the precision of the fine filter layer are sequentially increased.
6. The gradient filter element for purifying hydraulic oil of claim 2, wherein the folding filter element comprises a galvanized metal mesh, a non-woven fabric and a metal wire mesh, and the folding filter element is sequentially arranged from outside to inside as the galvanized metal mesh, the non-woven fabric, the gradient glass fiber filter membrane, the non-woven fabric and the metal wire mesh.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221016990.4U CN217518996U (en) | 2022-04-28 | 2022-04-28 | Gradient filter element for hydraulic oil purification |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221016990.4U CN217518996U (en) | 2022-04-28 | 2022-04-28 | Gradient filter element for hydraulic oil purification |
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| Publication Number | Publication Date |
|---|---|
| CN217518996U true CN217518996U (en) | 2022-09-30 |
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| CN202221016990.4U Active CN217518996U (en) | 2022-04-28 | 2022-04-28 | Gradient filter element for hydraulic oil purification |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117026684A (en) * | 2023-07-12 | 2023-11-10 | 山东仁丰特种材料股份有限公司 | High-performance gradient glass fiber liquid filter paper and preparation method and application thereof |
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2022
- 2022-04-28 CN CN202221016990.4U patent/CN217518996U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117026684A (en) * | 2023-07-12 | 2023-11-10 | 山东仁丰特种材料股份有限公司 | High-performance gradient glass fiber liquid filter paper and preparation method and application thereof |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A Gradient Filter Element for Hydraulic Oil Purification Granted publication date: 20220930 Pledgee: China People's Property Insurance Co.,Ltd. Qingdao Branch Pledgor: QINGDAO HAINA ENERGY ENVIRONMENTAL PROTECTION TECHNOLOGY DEVELOPMENT CO.,LTD. Registration number: Y2024370010008 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |