CN109772172A - The support construction and filter core of filter structure - Google Patents
The support construction and filter core of filter structure Download PDFInfo
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- CN109772172A CN109772172A CN201910209293.7A CN201910209293A CN109772172A CN 109772172 A CN109772172 A CN 109772172A CN 201910209293 A CN201910209293 A CN 201910209293A CN 109772172 A CN109772172 A CN 109772172A
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- filter structure
- filter
- support construction
- coiled material
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- 238000010276 construction Methods 0.000 title claims abstract description 123
- 239000000463 material Substances 0.000 claims abstract description 189
- 238000003466 welding Methods 0.000 claims description 71
- 238000004804 winding Methods 0.000 claims description 71
- 239000002390 adhesive tape Substances 0.000 claims description 20
- 238000004519 manufacturing process Methods 0.000 claims description 16
- 238000001914 filtration Methods 0.000 abstract description 28
- 230000015572 biosynthetic process Effects 0.000 abstract description 5
- 239000010408 film Substances 0.000 description 83
- 239000002184 metal Substances 0.000 description 26
- 230000000694 effects Effects 0.000 description 22
- 238000003032 molecular docking Methods 0.000 description 18
- 238000010586 diagram Methods 0.000 description 15
- 238000007789 sealing Methods 0.000 description 15
- 238000000034 method Methods 0.000 description 10
- 238000002360 preparation method Methods 0.000 description 10
- 239000012528 membrane Substances 0.000 description 8
- 239000011148 porous material Substances 0.000 description 7
- 239000007789 gas Substances 0.000 description 6
- 239000000843 powder Substances 0.000 description 6
- 238000000465 moulding Methods 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 230000005489 elastic deformation Effects 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
- B01D63/10—Spiral-wound membrane modules
- B01D63/101—Spiral winding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
- B01D63/10—Spiral-wound membrane modules
Abstract
The invention discloses the support construction of filter structure and filter cores.The support construction includes as band-like coiled material roll support tube made of, and the coiled material has porous structure, and the coiled material roll is not parallel with the central axis of the support tube around the seam of rear formation.For support tube when bearing inside and outside pressure, maximum principal stress is perpendicular to central shaft and acts on each circular section；Traditional straight seam welded pipe (i.e. seam is parallel with welded tube central axis), seam crossing can directly bear maximum principal stress, higher to weld seam intensity requirement.When seam is not parallel with the central axis of the support tube, the stress that seam crossing is primarily subjected to is the component of principal stress, that is radial stress and axial stress, two kinds of stress values are significantly less than the principal stress of straight seam welded pipe, therefore, under identical operating pressure and same caliber, support construction thickness of the invention be can be significantly reduced, and porosity can be obviously improved, to promote the effective filtration area of filter structure.
Description
Technical field
The present invention relates to the technical fields of filter device, in particular to the support construction and filter core of filter structure.
Background technique
It is respectively CN104874798A (entitled porous membrane and porous that present applicant has submitted publication number a few days ago
The preparation method of film), CN104874801A (preparation method of entitled porous membrane and porous membrane), CN104959612A
(preparation method of a kind of entitled porous membrane and porous membrane), CN104959611A (entitled porous membrane and porous thin
The preparation method of film) patent application, disclose a kind of thickness≤1500 micron and folding flexible metal film, more
Preferably when thickness≤200 micron are easy to reach higher permeability.The application of the flexible metal film is mainly answered at present
It is solid for the gas solid, liquid in the adverse circumstances such as the high temperature and pressure such as ceramic industry, metallurgy, coal chemical industry, thermal power generation and strong corrosive
The filter core being separated by filtration.
As shown in Figure 1, it is existing using flexible metal film be the flexible bag filter core of filtering material be usually according to film cylinder
Diameter and length cut flexible metal film and welding production film forming cylinder, then in bag the dedicated support construction of adapted, at both ends
Be equipped with sealing structure carry out using.Such filter core filter material Applicable temperature range is wider, and air flux is larger, but asks there are still following
Topic:
(1) support construction mostly uses greatly punched-plate scrap (bridge) straight seam welding or the direct aperture production of tubing, due to support construction
Behavior Assurance of Size ability is poor, need to increase its wall thickness to meet operating condition differential pressure requirements, by thickness in 1.2mm or more, cause
Filter core weight is obviously improved；Meanwhile the porosity of support construction is mostly 40-60%, significantly reduces effective filtering of film cylinder
Area；
(2) film cylinder uses straight seam welding structure, and when bearing external pressure, the compression capability of vertical masonry joint structure is poor, therefore can only be
It is used under lower operating condition pressure difference；
(3) support construction can cause filter core to fail with the generation friction of film cylinder in use, influence filter core reliability；Together
When inner supporting structure can reduce filter core effective filtration area, cause filter core resistance increase, operating cost is provided；
(4) the sealing structure difference of filter core or sealing effect is good but structure is complicated, causes filter pressure to be obviously improved and cost
It is high.
Summary of the invention
One aspect of the present invention is designed to provide support construction, with solve in the prior art support construction intensity difference and compared with
Thick problem.The preparation method for being designed to provide filter structure and filter structure of another aspect of the present invention, it is existing to solve
There is the problem of filter structure intensity difference in technology.Further aspect of the present invention is designed to provide filter core, to solve the prior art
Middle filer element strength difference and the small problem of effective filtration area.Another aspect of the invention is designed to provide sealing structure, with solution
Certainly prior art sealing structure difference or the problem of sealing effect is good but structure is complicated.
To achieve the goals above, the first support construction provided by the invention is as follows:
The support construction of filter structure, the support construction include as band-like coiled material roll support tube made of, it is described
Coiled material has porous structure, and the coiled material roll is not parallel with the central axis of the support tube around the seam of rear formation.
For support tube when bearing inside and outside pressure, maximum principal stress is perpendicular to central shaft and acts on each circular section；It passes
The straight seam welded pipe (i.e. seam is parallel with welded tube central axis) of system, seam crossing can directly bear maximum principal stress, to weld strength
It is more demanding.When seam is not parallel with the central axis of the support tube, the stress that seam crossing is primarily subjected to is point of principal stress
Power, i.e. radial stress and axial stress, two kinds of stress values are significantly less than the principal stress of straight seam welded pipe, therefore, in identical work pressure
Under power and same caliber, support construction thickness of the invention be can be significantly reduced, and porosity can be obviously improved, to be promoted
The effective filtration area of filter structure promotes reverse gas cleaning effect and filter efficiency.
Further, helically wire shaped after the center line winding of the coiled material.Under material the same terms, spiral forming
The rigidity of support construction is more excellent, can be substantially reduced the stress born at seam.Meanwhile comparing vertical masonry joint moulding process, spiral
Contoured support structure is more conducive to guarantee the tolerance and sizes such as its circularity, straightness, conducive to the intensity for promoting support construction.
Further, the coiled material is rectangle.When coiled material is the rectangle of rule, it can be ensured that junction shape rule
Then, and after the center line of the coiled material winding when helically wire shaped, seam also helically wire shaped, thus convenient for control spiral shell
The stabilization of swing angle promotes the profile pattern of support tube.
Further, the helix is circular helix；The radially projecting of circular helix is circle.It supports as a result,
Barrel shape is consistent everywhere, and support effect is more preferable.
Further, the pitch angle alpha of the helix is 50-75 °.In the identical situation of support tube diameter, helical angle
Bigger, required coiled material bandwidth is narrower, and the component of stress is born in junction to be declined, but equal length support construction docking length increases,
Production efficiency reduces；When the helix is circular helix；When the pitch angle alpha of the helix is 50-75 °, junction is held
The combined stress received is the 60-85% of straight seam welded pipe principal stress, and is able to maintain higher production efficiency.Pitch angle alpha calculates public
Formula: cos α=B/ (π × D), wherein B be web width, D be support tube central diameter, outer diameter-support tube wall thickness of D=support tube, or
The internal diameter of=support tube+support tube wall thickness；In the helical angle calculation formula of following filter structures, by support tube replace with film cylinder,
Coiled material replaces with porous filter material.
Further, welding fabrication is contacted after two long sides winding of the coiled material or use adhesive tape bonding.It connects as a result,
The binding force at place is strong and high production efficiency.When using contact weld molding, it is preferred to use argon arc welding, easy to process and intensity
It is high.
Further, the width of welding is 2-4mm.Thus, it is ensured that stronger binding force, also avoid that weld seam is wide and shadow
Ring filter area.
Further, the porosity of the coiled material is 50-80%.When the porosity of coiled material is higher than above-mentioned numberical range,
Intensity is lower.When the porosity of coiled material is lower than above-mentioned numberical range, effective filtration area can be reduced.As a result, when the coiled material
Porosity be 50-80% when, it can be ensured that higher effective filtration area and intensity.
Further, the coiled material with a thickness of 0.6-1mm.It is unfavorable when the thickness of coiled material is higher than above-mentioned numberical range
In spiral forming；When the thickness of coiled material is lower than above-mentioned numberical range, intensity is lower.As a result, when the coiled material with a thickness of
When 0.6-1mm, it can be ensured that higher molding effect and intensity.
Filter core, including filter structure and support construction, the support construction are the support construction of above-mentioned filter structure.
Further, the support construction is located at the inside of the filter structure；The filter structure is that flexible metal is thin
Film roll film cylinder made of.The flexible metal film refers to any porous membrane in background technique.Preferably support as a result,
Filter structure forms high-intensitive outside filtering type filter device.
To achieve the goals above, second of support construction provided by the invention is as follows:
The support construction of filter structure, the support construction include rigid backbone, and the rigid backbone includes outer diameter and mistake
At least two support rods for filtering the matched support ring of inside diameter, matching with filter structure length and being connect with the support ring；
The support rod is connect with the inner wall of the support ring.
Compared to the porous pipe type support construction of traditional structure, rigid backbone can be before ensuring preferable support effect
It puts and utmostly guarantees higher effective filtration area.It proposes in rigid backbone of the invention by the support rod and the branch
The inner wall of pushing out ring connects, and the support ring being arranged in this way can improve support construction draw ratio, become its stress by long cylinder
For short cylinder, improve support construction rigidity；More using rigidity of the support construction of rigid backbone of the invention under identical operating condition
Excellent, resistance to negative pressure is more preferable, can reduce the contact area of support construction and filter structure, to promote effective filtration area, is promoted
Reverse gas cleaning effect and filter efficiency.Support rod can generate secondary support to filter structure.
Further, the support ring is distributed according to the spacing of 150-200mm.Thus, it is ensured that preferable support effect.
Further, the ring body diameter of the support ring is 3-5mm.One ensures wider gas flow channel as a result,
Two ensure preferable intensity, to generate preferable support effect.
Further, the support rod is at least three and is equally distributed.Thus, it is ensured that preferable support effect.
Further, the support rod is distributed according to the spacing of 20-30mm.Thus, it is ensured that preferable support effect.
Further, the support rod is cylinder.Thus, it is ensured that preferable support effect, prevents due to mechanical wear
Damage filter structure.
Further, the diameter of the support rod is 3-5mm.Thus, it is ensured that preferable support effect
Further, the support construction further includes the support tube outside the rigid backbone, the support tube by
For band-like coiled material roll around forming, the coiled material has a porous structure, the coiled material roll around rear formation seam not with the support
The central axis of cylinder is parallel.The intensity of support construction is further promoted as a result, it is ensured that better support effect is suitable for more high pressure
Poor operating condition.
Further, the coiled material with a thickness of 0.6-1mm；The porosity of the coiled material is 50-80%.
Further, the support construction is located at the inside of the filter structure；The filter structure is that flexible metal is thin
Film roll film cylinder made of.
To achieve the goals above, the third support construction provided by the invention is as follows:
The support construction of filter structure, comprising: rigid support layer and resilient support layer, the rigid support layer are set to described
Flexibly support the inside of layer；The support construction is set to the inside of filter structure.
During filtering and blowback, inside, external elastic deformation can occur for resilient support layer, thus in filtering and blowback
Fine supporting role is played to filter structure under state；Simultaneously as resilient support layer can inside deformation, can effectively increase
Filter structure is added to be conducive to by the deformation quantity being filled into when blowback to shake when realizing blowback to filter structure surface dust
Filter structure surface dust is removed when blowback.Rigid backbone generates secondary support to filter structure, it is ensured that filter structure intensity and
Rigidity is reliable, while utmostly guaranteeing higher effective filtration area.
Further, it is 70-90%, the elastic net cylinder with a thickness of 0.4-0.8mm that the resilient support layer, which includes porosity,.
Thus, it is ensured that higher filter area and suitable elasticity.
Further, the elastic net cylinder is to cut net cylinder made of seine or mesh grid.Cutting seine refers to steel plate through punching
With the metal mesh obtained after stretching, compared to traditional mesh grid, the node strength for cutting seine is higher, and elasticity is more preferable, helps
In promotion support construction intensity.Mesh grid refers to the metal mesh as made of metal wire knitted, since wire is interweaved, so that
The opening diameter of mesh grid, which may be significantly less than, cuts seine, and when the metal mesh made of thinner metal wire knitted, can
To obtain more frivolous elastic net cylinder.
Further, the rigid support layer further includes rigid backbone, and the rigid backbone includes outer diameter and filter structure
The matched support ring of internal diameter, at least two support rods for matching with filter structure length and being connect with the support ring.Due to bullet
Property net cylinder it is very thin and porosity is very high, by the way that rigid backbone is arranged, support effect can be promoted, the support knot with composite construction
Structure, weight and support effect are still substantially better than existing antipriming pipe support construction.
Further, the support rod is connect with the inner wall of the support ring.
Further, the support ring is distributed according to the spacing of 150-200mm；The ring body diameter of the support ring is 3-
5mm。
Further, the support rod is at least three and is equally distributed.
Further, the support rod is distributed according to the spacing of 20-30mm.
Further, the support rod is cylinder.
Further, the diameter of the support rod is 3-5mm.
To achieve the goals above, the third support construction provided by the invention is as follows:
The support construction of filter structure, including elastic net cylinder, the top connection being connect with the elastic net cylinder head and with
The lower contact of elasticity net cylinder tail portion connection.
When elastic net cylinder is defined between top connection and lower contact, can be generated during filtering and blowback certain
Flexible deformation.During the filtration process, elastic deformation can internally occur for resilient support layer, filter to reduce to filter structure
The influence in face.During blowback, elastic deformation can occur outward for resilient support layer, so that filter structure is preferably supported,
Be conducive to dust on filter element surface when blowback to remove.
Further, the porosity of the elastic net cylinder is 70-90%, with a thickness of 0.4-0.8mm.Thus, it is ensured that higher
Filter area and suitable elasticity.
Further, the elastic net cylinder is to cut net cylinder made of seine or mesh grid.
Further, the top connection has the first step with the elastic net cylinder head inner wall cooperation；It is connect under described
Head has the third step with the elastic net cylinder tail portion inner wall cooperation.Structure is simple as a result, easy to process, and gained supports
Intensity is high at structure docking.
Further, the top connection also has the second step with the cooperation of filter structure head inner wall；Under described
The outer wall of connector and the inner wall of the filter structure tail portion cooperate.It is convenient for connecting with filter structure as a result,.
Further, the top connection and the elastic net cylinder welding or Nian Jie；The lower contact and the elastic net cylinder
Welding or bonding.Structure is simple as a result, and connection is easy at docking and intensity is high.
Further, the first step and third step and the cooperation width of the elastic net cylinder are 5-15mm.As a result,
Intensity is high at docking.
Further, for the elastic net cylinder by band-like coiled material roll around forming, the coiled material has porous structure, the volume
The seam formed after material winding is not parallel with the elastic central axis of net cylinder.As a result, in the elastic premise for ensuring elastic net cylinder
Under, further promote the intensity of elastic net cylinder.
Further, helically wire shaped after the center line winding of the coiled material.
Further, the helix is circular helix；The pitch angle alpha of the helix is 50-75 °.
Further, welding fabrication is contacted after two long sides winding of the coiled material or use adhesive tape bonding.
To achieve the goals above, sealing structure provided by the invention is as follows:
The sealing structure of filter device, the filter device include filter core, and the filter core includes filter structure and support institute
The support construction of filter structure is stated, is net air cavity or net liquid chamber on the inside of the filter core；The support construction is located at filtering knot
The inside of structure；The sealing structure include the top connection being connect with the head of the filter structure and support construction and with it is described
The lower contact that filter structure is connected with the tail portion of support construction；The top connection has and the opening of conducting and institute inside filter core
State the first step of support construction inner wall cooperation and the second step with filter structure inner wall cooperation；The lower contact envelope
It closes, including the third step cooperated with the support construction inner wall, the inner wall of the filter structure is matched with the lower contact outer wall
It closes.
Head and tail portion use different sealing structures, and structure is simple, and sealing effect is good, and filtration pressure can be significantly reduced
Power and reverse gas cleaning pressure.
Further, the top connection and the filter structure and support construction welding or Nian Jie；The lower contact and institute
State filter structure and support construction welding or bonding.Sealing effect is good and easy to process as a result,.
Further, the first step and third step and the cooperation width of the support construction are 5-15mm；It is described
The cooperation width of second step and the lower contact outer wall and the filter structure is 15-25mm.Sealing effect is good as a result,.
Further, the orifice plate for further including the up-hole plate being connect with the top connection and being connect with the lower contact,
Primordial Qi chamber or stoste chamber are formed between the up-hole plate and the orifice plate.Object to be filtered in Primordial Qi chamber or stoste chamber is through filtering
Enter net air cavity or net liquid chamber after structured filter, then the opening discharge through top connection.Structure is simple as a result, realizes outer filter.
Further, the support construction include porosity be 70-90%, with a thickness of 0.4-0.8mm elastic net cylinder with
And the rigid backbone of the support elastic net cylinder.Support effect is good as a result,.
Further, the rigid backbone is set in the elastic net cylinder.
Further, the support ring is distributed according to the spacing of 150-200mm；The ring body diameter of the support ring is 3-
5mm。
Further, the support construction includes as band-like coiled material roll support tube made of, and the coiled material has more
Pore structure, the coiled material roll be not parallel with the central axis of the support tube around the seam of rear formation.Support effect is good as a result,.
Further, the filter structure includes the film cylinder as made of band-like porous filter material winding, described porous
The seam formed after filtering material winding is not parallel with the central axis of the film cylinder.The intensity of filter structure is high as a result,.
To achieve the goals above, filter structure and filter structure provided by the invention the preparation method is as follows:
Filter structure, the filter structure includes the film cylinder as made of band-like porous filter material winding, described porous
The seam formed after filtering material winding is not parallel with the central axis of the film cylinder.
For filter structure when bearing inside and outside pressure, maximum principal stress is perpendicular to central shaft and acts on each circular section；
Traditional vertical masonry joint filter structure (i.e. seam is parallel with filter structure central axis), seam crossing can directly bear maximum principal stress,
It is higher to weld seam intensity requirement.When seam is not parallel with the central axis of the film cylinder, based on the stress that seam crossing is primarily subjected to
The component of stress, i.e. radial stress and axial stress, two kinds of stress values are significantly less than the principal stress of vertical masonry joint filter structure, therefore,
Under identical operating pressure and same caliber, filter structure thickness of the invention be can be significantly reduced, and porosity can be significant
It is promoted, to promote effective filtration area, promotes reverse gas cleaning effect and filter efficiency.
Further, the porous filter material is mainly made of powder sintered metal porous material.Metal material as a result,
Porous filter material be more convenient for spiral forming.
Further, the porous filter material is a kind of thickness≤1500 micron and folding flexible metal film.
It is convenient for spiral forming as a result,.
Further, helically wire shaped after the center line winding of the porous filter material.Under material the same terms,
The rigidity of spiral forming film cylinder is more excellent, can be substantially reduced the stress born at seam.Meanwhile vertical masonry joint moulding process is compared,
Spiral forming film cylinder is more conducive to guarantee the tolerance and sizes such as its circularity, straightness, conducive to the intensity for promoting filter structure.
Further, the coiled material is rectangle.When coiled material is the rectangle of rule, it can be ensured that junction shape rule
Then, and after the center line of the coiled material winding when helically wire shaped, seam also helically wire shaped, thus convenient for control spiral shell
The stabilization of swing angle promotes the profile pattern of support tube.
Further, the helix is circular helix；Diameter is identical everywhere in film cylinder as a result, convenient for control filtering
Process.
Further, the pitch angle alpha of the helix is 50-75 °.In the identical situation of film cylinder diameter, helical angle is got over
Greatly, required porous filter material bandwidth is narrower, and combined stress is born in junction to be declined, but equal length film cylinder docking length increases
Add, production efficiency reduces；When the helix is circular helix；When the pitch angle alpha of the helix is 50-75 °, junction
The combined stress of receiving is the 60-85% of vertical masonry joint film cylinder principal stress, and is able to maintain higher production efficiency.
Further, it is not overlapped after two long sides winding of the porous filter material, spacing 1-3mm.Due to porous
Filtering material is very thin, according to the mode of long side contact weld, is overlapped when be easy to causeing two long side windings, if described
It is overlapped when two long sides winding of porous filter material, then the diameter that will lead to most telolemma cylinder is increasing, is not easy to two
The sealing and fixation at end.If two long side winding times of the porous filter material away from excessive, can excessively reduce filtering surface
Product, influences filter efficiency.
Further, the welding rod of two long sides of connection is equipped at the docking of two long sides of the porous filter material；Volume
Around rear, the welding rod is located at the inside of film cylinder.It is very thin due to porous filter material, it is difficult directly if itself spiral forming
To keep tubular.Therefore, when welding rod is arranged, can direct spiral forming, without saving work by spiral forming grinding tool
Sequence.Also, welding rod can be distributed evenly in the inside of film cylinder after spiral forming, can effectively support membrane cylinder, prevent film
Cylinder deformation, therefore, can be used using the molding film cylinder of welding rod spiral directly as filter core, and without again in the inside of film cylinder or
Outside setting support construction, on the one hand significantly reduce the weight of filter core, and two remain the filter area of film cylinder to greatest extent.When
When the inside of film cylinder is arranged in welding rod, welding rod will not hinder the docking of two long sides in winding process.
Further, the contact width of each long side of the welding rod and the porous filter material is 3-6mm.By
This, binding force is strong, and intensity is high, and the shape stability of gained film cylinder is good, and influence of the welding rod to filter area is smaller.
Further, the adhesive tape or welding rod of two long sides of connection are equipped at the docking of two long sides；It is described after winding
Adhesive tape or welding rod are located at the outside of film cylinder.When by spiral forming mold such as cylindrical support, it can also exist after the coiling
Welding rod or adhesive tape is used to one-time fix two long sides outside film cylinder.Wherein, when using adhesive tape, when use, is preferably set in film cylinder
Any of the above-described kind of support construction is set to be supported.
Further, the contact width of each long side of the adhesive tape and the porous filter material is 5-9mm.By
This, binding force is strong, and intensity is high.
The preparation method of filter structure, including make porous filter material winding film forming cylinder, the porous filter material winding
The seam formed afterwards is not parallel with the central axis of the film cylinder.
It further, further include before winding in the inside welding electrode of a long side of porous filter material and on edge
It is welded and fixed after porous filter material wound on itself to get film cylinder is arrived.
Further, described to be wound as making porous filter material after cylindrical support outer wall winding using adhesive tape bonding
Fixed or welding rod is welded and fixed, and obtains film cylinder after removing cylindrical support.
Further, described to be welded as electric resistance welding.It is easy to process as a result, and intensity is high.
To achieve the goals above, the first filter core provided by the invention is as follows:
Filter core, the support construction including filter structure and the support filter structure, the filter structure includes by band-like
Porous filter material winding made of film cylinder, the seam formed after porous filter material winding is not and in the film cylinder
Mandrel is parallel；The support construction includes as band-like coiled material roll support tube made of, and the coiled material has porous structure, institute
The seam that coiled material roll is stated around rear formation is not parallel with the central axis of the support tube.
Further, helically wire shaped after the center line winding of the porous filter material；The center line of the coiled material
Helically wire shaped after winding.
Further, the coiled material is rectangle；The porous filter material is rectangle.
Further, the helix is circular helix.
Further, the pitch angle alpha of the helix is 50-75 °.
Further, welding fabrication is contacted after two long sides winding of the coiled material or use adhesive tape bonding.
Further, it is not overlapped after two long sides winding of the porous filter material, spacing 1-3mm.
Further, the welding rod of two long sides of connection is equipped at the docking of two long sides of the porous filter material；Volume
Around rear, the welding rod is located at the inside of film cylinder.
Further, the contact width of each long side of the welding rod and porous filter material is 3-6mm.
Further, the adhesive tape or welding rod of two long sides of connection are equipped at the docking of two long sides；It is described after winding
Adhesive tape or welding rod are located at the outside of film cylinder.
To achieve the goals above, second of filter core provided by the invention is as follows:
Filter core, the support construction including filter structure and the support filter structure, the filter structure includes by band-like
Porous filter material winding made of film cylinder, the seam formed after porous filter material winding is not and in the film cylinder
Mandrel is parallel；The support construction includes rigid backbone, and the rigid backbone includes outer diameter and the matched branch of filter structure internal diameter
Pushing out ring, at least two support rods for matching with filter structure length and being connect with the support ring.
Further, the porous filter material is a kind of thickness≤1500 micron and folding flexible metal film.
Further, helically wire shaped after the center line winding of the porous filter material.
Further, the porous filter material is rectangle；The helix is circular helix；The helix
Pitch angle alpha is 50-75 °.
Further, it is not overlapped after two long sides winding of the porous filter material, spacing 1-3mm.
Further, the welding rod of two long sides of connection is equipped at the docking of two long sides of the porous filter material；Volume
Around rear, the welding rod is located at the inside of film cylinder.
Further, the contact width of each long side of the welding rod and porous filter material is 3-6mm.
Further, the adhesive tape or welding rod of two long sides of connection are equipped at the docking of two long sides；It is described after winding
Adhesive tape or welding rod are located at the outside of film cylinder.
Further, the support rod is connect with the inner wall of the support ring.
Further, the support ring is distributed according to the spacing of 150-200mm；The ring body diameter of the support ring is 3-
5mm；The support rod is at least three and is equally distributed；The support rod is cylinder.
To achieve the goals above, the third filter core provided by the invention is as follows:
Filter core, the support construction including filter structure and the support filter structure, the filter structure includes by band-like
Porous filter material winding made of film cylinder, the seam formed after porous filter material winding is not and in the film cylinder
Mandrel is parallel；The support construction includes the rigid backbone of elastic net cylinder and the support elastic net cylinder.
Further, the porous filter material is a kind of thickness≤1500 micron and folding flexible metal film.
Further, helically wire shaped after the center line winding of the porous filter material.
Further, the porous filter material is rectangle；The helix is circular helix；The helix
Pitch angle alpha is 50-75 °.
Further, it is not overlapped after two long sides winding of the porous filter material, spacing 1-3mm.
Further, the welding rod of two long sides of connection is equipped at the docking of two long sides of the porous filter material；Volume
Around rear, the welding rod is located at the inside of film cylinder.
Further, the contact width of each long side of the welding rod and porous filter material is 3-6mm.
Further, the porosity of the elastic net cylinder is 70-90%, with a thickness of 0.4-0.8mm.
Further, the rigid backbone is set in the elastic net cylinder.
Further, the rigid backbone includes outer diameter and the matched support ring of filter structure internal diameter, long with filter structure
At least two support rods degree matching and connect with the support ring.
Further, the support rod is connect with the inner wall of the support ring.
The present invention is described further with reference to the accompanying drawings and detailed description.The additional aspect of the present invention and excellent
Point will be set forth in part in the description, and partially will become apparent from the description below, or practice through the invention
It solves.
Detailed description of the invention
The attached drawing for constituting a part of the invention is used to assist the understanding of the present invention, content provided in attached drawing and its
Related explanation can be used for explaining the present invention in the present invention, but not constitute an undue limitation on the present invention.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of film cylinder in the prior art.
Fig. 2 is the structural schematic diagram of the supporter of embodiment 1-4.
Fig. 3 is the structural schematic diagram of the rigid backbone of embodiment 5-7.
Fig. 4 is the side view of Fig. 3.
Fig. 5 is the structural schematic diagram of the support construction of embodiment 8.
Fig. 6 is the structural schematic diagram of the support construction of embodiment 9-11.
Fig. 7 is the structural schematic diagram of the support construction of embodiment 12-13.
Fig. 8 is the structural schematic diagram of the support construction of embodiment 14.
Fig. 9 is the structural schematic diagram of the film cylinder of embodiment 15-17.
Figure 10 is the side view of Fig. 9.
Figure 11 is the partial enlarged view in Figure 10 at A1.
Figure 12 is the structural schematic diagram of the film cylinder of embodiment 18.
Figure 13 is the side view of Figure 12.
Figure 14 is the partial enlarged view in Figure 13 at A2.
Figure 15 is the structural schematic diagram of the filter structure of embodiment 19.
Figure 16 is the side view of Figure 15.
Figure 17 is the partial enlarged view in Figure 16 at A3.
Figure 18 is the structural schematic diagram of the filter core of embodiment 20.
Figure 19 is the structural schematic diagram of the filter core of embodiment 21.
Figure 20 is the structural schematic diagram of the filter core of embodiment 22.
Figure 21 is the structural schematic diagram of the filter core of embodiment 23.
Figure 22 is the structural schematic diagram of the filter core of embodiment 24.
Figure 23 is the partial enlarged view in Figure 18 at B1.
Figure 24 is the partial enlarged view in Figure 18 at C1.
Figure 25 is the partial enlarged view in Figure 19 at B2.
Figure 26 is the partial enlarged view in Figure 19 at C2.
Figure 27 is the partial enlarged view in Figure 20 at B3.
Figure 28 is the partial enlarged view in Figure 20 at C3.
Figure 29 is the partial enlarged view in Figure 21 at B4.
Figure 30 is the partial enlarged view in Figure 21 at C4.
Figure 31 is the partial enlarged view in Figure 22 at B5.
Figure 32 is the partial enlarged view in Figure 22 at C5.
Related label in above-mentioned attached drawing are as follows:
11: coiled material；
1: support tube；
2: rigid backbone；
21: support ring；
22: support rod；
3: elastic net cylinder；
4: film cylinder；
41: porous filter material；
42: welding rod；
43: adhesive tape；
5: top connection；
51: first step；
52: second step；
6: lower contact；
61: third step.
Specific embodiment
Clear, complete explanation is carried out to the present invention with reference to the accompanying drawing.Those of ordinary skill in the art are being based on these
The present invention will be realized in the case where explanation.Before in conjunction with attached drawing, the present invention will be described, of particular note is that:
The technical solution provided in each section including following the description and technical characteristic in the present invention are not rushing
In the case where prominent, these technical solutions and technical characteristic be can be combined with each other.
In addition, the embodiment of the present invention being related in following the description is generally only the embodiment of present invention a part, and
The embodiment being not all of.Therefore, based on the embodiments of the present invention, those of ordinary skill in the art are not making creativeness
Every other embodiment obtained, should fall within the scope of the present invention under the premise of labour.
About term in the present invention and unit.Term in description and claims of this specification and related part
" comprising ", " having " and their any deformation, it is intended that cover and non-exclusive include.
Embodiment 1
The support construction of filter structure as shown in Figure 2, including support tube 1 made of being wound as band-like coiled material 11, institute
Coiled material 11 is stated with porous structure, it is in circular helix after the center line winding of the coiled material 11 that the coiled material 11, which is rectangle,
Shape.The coiled material 11 with a thickness of 0.6mm, porosity 50%.The pitch angle alpha of the helix is 75 °.The coiled material 11
Two long sides winding after contact welding fabrication, the width of welding is 3mm.When pitch angle alpha is 75 °, the central diameter of support tube 1 be
When 126mm, the width of required coiled material 11 is 102.39mm.
Embodiment 2
The support construction of filter structure as shown in Figure 2, including support tube 1 made of being wound as band-like coiled material 11, institute
Coiled material 11 is stated with porous structure, it is in circular helix after the center line winding of the coiled material 11 that the coiled material 11, which is rectangle,
Shape.The coiled material 11 with a thickness of 0.8mm, porosity 70%.The pitch angle alpha of the helix is 60 °.The coiled material 11
Two long sides winding after contact welding fabrication, the width of welding is 3mm.When pitch angle alpha is 60 °, the central diameter of support tube 1 be
When 126mm, the width of required coiled material 11 is 197.82mm.
Embodiment 3
The support construction of filter structure as shown in Figure 2, including support tube 1 made of being wound as band-like coiled material 11, institute
Coiled material 11 is stated with porous structure, it is in circular helix after the center line winding of the coiled material 11 that the coiled material 11, which is rectangle,
Shape.The coiled material 11 with a thickness of 1mm, porosity 80%.The pitch angle alpha of the helix is 50 °.The coiled material 11
Welding fabrication is contacted after two long side windings, the width of welding is 3mm.When pitch angle alpha is 50 °, the central diameter of support tube 1 be
When 126mm, the width of required coiled material 11 is 254.31mm.
Embodiment 4
The support construction of filter structure as shown in Figure 2, including support tube 1 made of being wound as band-like coiled material 11, institute
Coiled material 11 is stated with porous structure, it is in circular helix after the center line winding of the coiled material 11 that the coiled material 11, which is rectangle,
Shape.The coiled material 11 with a thickness of 0.8mm, porosity 70%.The pitch angle alpha of the helix is 60 °.The coiled material 11
Two long sides winding after use adhesive tape bonding.When pitch angle alpha is 60 °, when the central diameter of support tube 1 is 126mm, required coiled material
11 width is 197.82mm.
Embodiment 5
The support construction of filter structure as shown in Figure 3-4, including rigid backbone 2, the rigid backbone 2 include outer diameter with
The matched support ring 21 of filter structure internal diameter, at least two for matching with filter structure length and being connect with the support ring 21
Strut 22；The support rod 22 is connect with the inner wall of the support ring 21.The support ring 21 is distributed according to the spacing of 150mm.
The ring body diameter of the support ring 21 is 3mm.The support rod 22 is distributed according to the spacing of 20mm.The support rod 22 is cylinder
Shape, diameter 4mm.
Embodiment 6
The support construction of filter structure as shown in Figure 3-4, including rigid backbone 2, the rigid backbone 2 include outer diameter with
The matched support ring 21 of filter structure internal diameter, at least two for matching with filter structure length and being connect with the support ring 21
Strut 22；The support rod 22 is connect with the inner wall of the support ring 21.The support ring 21 is distributed according to the spacing of 170mm.
The ring body diameter of the support ring 21 is 4mm.The support rod 22 is distributed according to the spacing of 25mm.The support rod 22 is cylinder
Shape, diameter 4mm.
Embodiment 7
The support construction of filter structure as shown in Figure 3-4, including rigid backbone 2, the rigid backbone 2 include outer diameter with
The matched support ring 21 of filter structure internal diameter, at least two for matching with filter structure length and being connect with the support ring 21
Strut 22；The support rod 22 is connect with the inner wall of the support ring 21.The support ring 21 is distributed according to the spacing of 200mm.
The ring body diameter of the support ring 21 is 5mm.The support rod 22 is distributed according to the spacing of 30mm.The support rod 22 is cylinder
Shape, diameter 4mm.
Embodiment 8
The support construction of filter structure as shown in Figure 5, including rigid backbone 2, the rigid backbone 2 include outer diameter and mistake
At least two supports for filtering the matched support ring 21 of inside diameter, matching with filter structure length and being connect with the support ring 21
Bar 22；The support rod 22 is connect with the inner wall of the support ring 21.The support ring 21 is distributed according to the spacing of 200mm.Institute
The ring body diameter for stating support ring 21 is 5mm.The support rod 22 is distributed according to the spacing of 30mm.The support rod 22 is cylinder
Shape, diameter 4mm.
The support construction further includes the support tube 1 outside the rigid backbone 2, and the support tube 1 is by band-like
Coiled material 11 is wound, and the coiled material 11 has porous structure, is in that cylindrical screw is linear after the center line winding of the coiled material 11
Shape.The coiled material 11 with a thickness of 0.6mm, porosity 50%, width 102.39mm.The pitch angle alpha of the helix is
75°.The coiled material 11 is rectangle, contacts welding fabrication after two long sides winding of the coiled material 11, the width of welding is
3mm。
Embodiment 9
The support construction of filter structure as shown in FIG. 6, including rigid support layer and resilient support layer, the rigid support
Layer is set to the inside of the resilient support layer；The support construction is set to the inside of filter structure.
The resilient support layer includes that porosity is 70%, with a thickness of the elastic net cylinder 3 of 0.4mm；It is described elasticity net cylinder 3 be
Net cylinder made of mesh grid.
The rigid support layer includes rigid backbone 2, and the rigid backbone 2 includes that outer diameter and filter structure internal diameter are matched
Support ring 21, at least two support rods 22 for matching with filter structure length and being connect with the support ring 21；The support rod
22 connect with the inner wall of the support ring 21.The support ring 21 is distributed according to the spacing of 200mm.The ring body of the support ring 21
Diameter is 5mm.The support rod 22 is distributed according to the spacing of 30mm.The support rod 22 is cylinder, diameter 4mm.
Embodiment 10
The support construction of filter structure as shown in FIG. 6, including rigid support layer and resilient support layer, the rigid support
Layer is set to the inside of the resilient support layer；The support construction is set to the inside of filter structure.
The resilient support layer includes that porosity is 80%, with a thickness of the elastic net cylinder 3 of 0.6mm；It is described elasticity net cylinder 3 be
Cut net cylinder made of seine.
The rigid support layer includes rigid backbone 2, and the rigid backbone 2 includes that outer diameter and filter structure internal diameter are matched
Support ring 21, at least two support rods 22 for matching with filter structure length and being connect with the support ring 21；The support rod
22 connect with the inner wall of the support ring 21.The support ring 21 is distributed according to the spacing of 200mm.The ring body of the support ring 21
Diameter is 5mm.The support rod 22 is distributed according to the spacing of 30mm.The support rod 22 is cylinder, diameter 4mm.
Embodiment 11
The support construction of filter structure as shown in FIG. 6, including rigid support layer and resilient support layer, the rigid support
Layer is set to the inside of the resilient support layer；The support construction is set to the inside of filter structure.
The resilient support layer includes that porosity is 90%, with a thickness of the elastic net cylinder 3 of 0.8mm；It is described elasticity net cylinder 3 be
Net cylinder made of mesh grid.
The rigid support layer includes rigid backbone 2, and the rigid backbone 2 includes that outer diameter and filter structure internal diameter are matched
Support ring 21, at least two support rods 22 for matching with filter structure length and being connect with the support ring 21；The support rod
22 connect with the inner wall of the support ring 21.The support ring 21 is distributed according to the spacing of 200mm.The ring body of the support ring 21
Diameter is 5mm.The support rod 22 is distributed according to the spacing of 30mm.The support rod 22 is cylinder, diameter 4mm.
Embodiment 12
The support construction of filter structure as shown in Figure 7, including porosity be 80%, with a thickness of 0.6 elastic net cylinder 3,
The top connection being connect with 3 head of the elastic net cylinder and the lower contact being connect with 3 tail portion of the elastic net cylinder.The top connection
5 have with the first step 51 of elastic 3 head inner wall of the net cylinder cooperation and with the cooperation of filter structure head inner wall
Second step 52；The lower contact 6 has the third step 61 with elastic 3 tail portion inner wall of the net cylinder cooperation, the lower contact 6
Outer wall and the filter structure tail portion inner wall cooperate.The top connection 5 is welded with the elastic net cylinder 3；The lower contact 6
It is welded with the elastic net cylinder 3.The first step 51 and third step 61 and the cooperation width of the elastic net cylinder 3 are
10mm.The elasticity net cylinder 3 is to cut net cylinder made of seine.
Embodiment 13
The support construction of filter structure as shown in Figure 7, including porosity be 90%, with a thickness of 0.8 elastic net cylinder 3,
The top connection being connect with 3 head of the elastic net cylinder and the lower contact being connect with 3 tail portion of the elastic net cylinder.The top connection
5 have with the first step 51 of elastic 3 head inner wall of the net cylinder cooperation and with the cooperation of filter structure head inner wall
Second step 52；The lower contact 6 has the third step 61 with elastic 3 tail portion inner wall of the net cylinder cooperation, the lower contact 6
Outer wall and the filter structure tail portion inner wall cooperate.The top connection 5 is welded with the elastic net cylinder 3；The lower contact 6
It is welded with the elastic net cylinder 3.The first step 51 and third step 61 and the cooperation width of the elastic net cylinder 3 are
10mm.The elasticity net cylinder 3 is to cut net cylinder made of seine.
Embodiment 14
The support construction of filter structure as shown in Figure 8, including porosity be 70%, with a thickness of 0.4 elastic net cylinder 3,
The top connection being connect with 3 head of the elastic net cylinder and the lower contact being connect with 3 tail portion of the elastic net cylinder.The top connection
5 have with the first step 51 of elastic 3 head inner wall of the net cylinder cooperation and with the cooperation of filter structure head inner wall
Second step 52；The lower contact 6 has the third step 61 with elastic 3 tail portion inner wall of the net cylinder cooperation, the lower contact 6
Outer wall and the filter structure tail portion inner wall cooperate.The top connection 5 is welded with the elastic net cylinder 3；The lower contact 6
It is welded with the elastic net cylinder 3.The first step 51 and third step 61 and the cooperation width of the elastic net cylinder 3 are
10mm.The elasticity net cylinder 3 is to cut net cylinder made of seine.
The elasticity net cylinder 3 is wound by band-like coiled material 11, and the coiled material 11 has porous structure, the coiled material 11
It is in cylindrical screw wire shaped after the center line winding of the coiled material 11 for rectangle.The pitch angle alpha of the helix is 75 °.Institute
Welding fabrication is contacted after stating two long sides winding of coiled material 11, the width of welding is 3mm.When pitch angle alpha is 75 °, elastic network(s)
When the central diameter of cylinder 3 is 126mm, the width of required coiled material 11 is 102.39mm.
Embodiment 15
Filter structure as shown in figs. 9-11, the filter structure include being wound by band-like porous filter material 41
Film cylinder 4, the porous filter material 41 be rectangle, the porous filter material 41 center line winding after be in cylindrical screw
Wire shaped.The pitch angle alpha of the helix is 50 °.The porous filter material 41 is mainly by powder sintered metal porous material
It constitutes, is one kind with a thickness of 1500 microns and folding flexible metal film.When pitch angle alpha is 50 °, the central diameter of film cylinder 4
When for 135mm, the width of required porous filter material 41 is 272.14mm.
It is not overlapped after two long sides winding of the porous filter material 41, spacing 2mm, the porous filter material 41
Two long sides docking at be equipped with connection two long sides welding rod 42；After winding, the welding rod 42 is located at the inside of film cylinder 4；
The welding rod 42 and the contact width of each long side of the porous filter material 41 are 12mm.
Embodiment 16
Filter structure as shown in figs. 9-11, the filter structure include being wound by band-like porous filter material 41
Film cylinder 4, the porous filter material 41 be rectangle, the porous filter material 41 center line winding after be in cylindrical screw
Wire shaped.The pitch angle alpha of the helix is 55 °.The porous filter material 41 is mainly by powder sintered metal porous material
It constitutes, is one kind with a thickness of 1000 microns and folding flexible metal film.When pitch angle alpha is 55 °, the central diameter of film cylinder 4
When for 135mm, the width of required porous filter material 41 is 242.89mm.
It is not overlapped after two long sides winding of the porous filter material 41, spacing 2mm, the porous filter material 41
Two long sides docking at be equipped with connection two long sides welding rod 42；After winding, the welding rod 42 is located at the inside of film cylinder 4；
The welding rod 42 and the contact width of each long side of the porous filter material 41 are 10mm.
Embodiment 17
Filter structure as shown in figs. 9-11, the filter structure include being wound by band-like porous filter material 41
Film cylinder 4, the porous filter material 41 be rectangle, the porous filter material 41 center line winding after be in cylindrical screw
Wire shaped.The pitch angle alpha of the helix is 60 °.The porous filter material 41 is mainly by powder sintered metal porous material
It constitutes, is one kind with a thickness of 200 microns and folding flexible metal film.When pitch angle alpha is 60 °, the central diameter of film cylinder 4 be
When 135mm, the width of required porous filter material 41 is 211.95mm.
It is not overlapped after two long sides winding of the porous filter material 41, spacing 2mm, the porous filter material 41
Two long sides docking at be equipped with connection two long sides welding rod 42；After winding, the welding rod 42 is located at the inside of film cylinder 4；
The welding rod 42 and the contact width of each long side of the porous filter material 41 are 9mm.
The film cylinder 4 of embodiment 15-17 the preparation method comprises the following steps: before winding in a long side of porous filter material 41
Then side welding electrode 42 makes porous filter material 41 along wound on itself at tubular, then resistance welding welding rod 42 and another
Long side to get arrive film cylinder 4.
Embodiment 18
Filter structure as shown in figs. 12-14, the filter structure include by the band-like winding of porous filter material 41 and
At film cylinder 4, the porous filter material 41 be rectangle, the porous filter material 41 center line winding after be in cylinder spiral shell
Spin line shape.The pitch angle alpha of the helix is 70 °.The porous filter material 41 is mainly by powder sintered metal porous material
Material is constituted, and is one kind with a thickness of 50 microns and folding flexible metal film.When pitch angle alpha is 70 °, the central diameter of film cylinder 4
When for 135mm, the width of required porous filter material 41 is 144.97mm.
It is not overlapped after two long sides winding of the porous filter material 41, spacing 2mm, the porous filter material 41
Two long sides docking at be equipped with connection two long sides welding rod 42；After winding, the welding rod 42 is located at the outer of filter structure
Side；The welding rod 42 and the contact width of each long side of the porous filter material 41 are 8mm.
The film cylinder 4 of embodiment 18 the preparation method comprises the following steps: being wound into porous filter material 41 along cylindrical support outer wall
Tubular fixes two long sides using 42 resistance welding of welding rod after winding, obtains film cylinder 4 after removing cylindrical support.
Embodiment 19
Filter structure as seen in figs. 15-17, the filter structure include by the band-like winding of porous filter material 41 and
At film cylinder 4, the porous filter material 41 be rectangle, the porous filter material 41 center line winding after be in cylinder spiral shell
Spin line shape.The pitch angle alpha of the helix is 75 °.The porous filter material 41 is mainly by powder sintered metal porous material
Material is constituted, and is one kind with a thickness of 20 microns and folding flexible metal film.When pitch angle alpha is 75 °, the central diameter of film cylinder 4
When for 135mm, the width of required porous filter material 41 is 109.79mm.
It is not overlapped after two long sides winding of the porous filter material 41, spacing 2mm, the porous filter material 41
Two long sides docking at be equipped with connection two long sides adhesive tape 43；After winding, the adhesive tape 43 is located at the outer of filter structure
Side；The adhesive tape 43 and the contact width of each long side of the porous filter material 41 are 10mm.
The film cylinder 4 of embodiment 19 the preparation method comprises the following steps: being wound into porous filter material 41 along cylindrical support outer wall
Tubular is adhesively fixed two long sides after winding using adhesive tape 43, obtains film cylinder 4 after removing cylindrical support.
Embodiment 20
Filter core as shown in figure 18, the support construction including filter structure and the support filter structure, wherein the mistake
The filter structure that structure uses embodiment 15 is filtered, the support construction uses the support construction of the filter structure of embodiment 6.
Embodiment 21
Filter core as shown in figure 19, the support construction including filter structure and the support filter structure, wherein the mistake
The filter structure that structure uses embodiment 16 is filtered, the support construction uses the support construction of the filter structure of embodiment 13.
Embodiment 22
Filter core as shown in figure 20, the support construction including filter structure and the support filter structure, wherein the mistake
The filter structure that structure uses embodiment 17 is filtered, the support construction uses the support construction of the filter structure of embodiment 3.
Embodiment 23
Filter core as shown in figure 21, the support construction including filter structure and the support filter structure, wherein the mistake
The filter structure that structure uses embodiment 18 is filtered, the support construction uses the support construction of the filter structure of embodiment 10.
Embodiment 24
Filter core as shown in figure 22, the support construction including filter structure and the support filter structure, wherein the mistake
The filter structure that structure uses embodiment 19 is filtered, the support construction uses the support construction of the filter structure of embodiment 8.
Embodiment 25
Filter core, the support construction including filter structure and the support filter structure, wherein the filter structure is using real
The filter structure of example 16 is applied, the support construction uses the support construction of the filter structure of embodiment 12.
As shown in Figure 18-32, the structure of the filter device of the filter core of one of Application Example 20-25 is as follows: the filter core
Inside is net air cavity or net liquid chamber；The support construction is located at the inside of the filter structure；Sealing structure includes and the mistake
The top connection 5 and connect down with the tail portion of the filter structure and support construction that the head of filter structure and support construction connects
Connector 6；The top connection 5 has and the opening be connected inside filter core, the first step 51 with support construction inner wall cooperation
And the second step 52 with filter structure inner wall cooperation；The lower contact 6 is closed, including with the support construction inner wall
The third step 61 of cooperation, the inner wall of the filter structure and 6 outer wall of lower contact cooperate.The top connection 5 and the mistake
Filter structure and support construction welding；The lower contact 6 is welded with the filter structure and support construction.
The first step 51 and third step 61 and the cooperation width of the support construction are 10mm；The second step
52 and the cooperation width of 6 outer wall of the lower contact and the filter structure be 20mm.
The orifice plate for further including the up-hole plate being connect with the top connection 5 and being connect with the lower contact 6, the upper hole
Primordial Qi chamber or stoste chamber are formed between plate and the orifice plate.
Related content of the invention is illustrated above.Those of ordinary skill in the art are in the feelings illustrated based on these
The present invention will be realized under condition.Based on above content of the invention, those of ordinary skill in the art are not making creativeness
Every other embodiment obtained, should fall within the scope of the present invention under the premise of labour.
Claims (10)
1. the support construction of filter structure, it is characterised in that: the support construction includes being wound by band-like coiled material (11)
Support tube (1), the coiled material (11) has a porous structure, the seam formed after the coiled material (11) winding not with the support
The central axis of cylinder (1) is parallel.
2. the support construction of filter structure as described in claim 1, it is characterised in that: the center line of the coiled material (11) is wound
Helically wire shaped afterwards.
3. the support construction of filter structure as claimed in claim 2, it is characterised in that: the coiled material (11) is rectangle.
4. the support construction of filter structure as claimed in claim 2 or claim 3, it is characterised in that: the helix is cylindrical screw
Line.
5. the support construction of filter structure as claimed in claim 4, it is characterised in that: the pitch angle alpha of the helix is 50-
75°。
6. the support construction of filter structure as claimed in claim 3, it is characterised in that: two long sides of the coiled material (11) are rolled up
Around rear contact welding fabrication or use adhesive tape bonding.
7. the support construction of filter structure as claimed in claim 6, it is characterised in that: the width of welding is 2-4mm.
8. the support construction of filter structure as described in claim 1, it is characterised in that: the coiled material (11) with a thickness of 0.6-
1mm。
9. the support construction of filter structure as described in claim 1, it is characterised in that: the porosity of the coiled material (11) is
50-80%.
10. filter core, including filter structure and support construction, it is characterised in that: the support construction is one of claim 1-9 institute
The support construction for the filter structure stated.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910209293.7A CN109772172A (en) | 2019-03-19 | 2019-03-19 | The support construction and filter core of filter structure |
| PCT/CN2020/076537 WO2020186975A1 (en) | 2019-03-19 | 2020-02-25 | Filtering structure, manufacturing method of filtering structure and filter element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910209293.7A CN109772172A (en) | 2019-03-19 | 2019-03-19 | The support construction and filter core of filter structure |
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| CN109772172A true CN109772172A (en) | 2019-05-21 |
Family
ID=66488384
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| CN201910209293.7A Pending CN109772172A (en) | 2019-03-19 | 2019-03-19 | The support construction and filter core of filter structure |
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| CN (1) | CN109772172A (en) |
| WO (1) | WO2020186975A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020186975A1 (en) * | 2019-03-19 | 2020-09-24 | 成都易态科技有限公司 | Filtering structure, manufacturing method of filtering structure and filter element |
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| CN210021766U (en) * | 2019-03-19 | 2020-02-07 | 成都易态科技有限公司 | Supporting structure of filtering structure |
| CN109772172A (en) * | 2019-03-19 | 2019-05-21 | 成都易态科技有限公司 | The support construction and filter core of filter structure |
| CN109772173A (en) * | 2019-03-19 | 2019-05-21 | 成都易态科技有限公司 | The preparation method of filter structure and filter structure |
| CN210448762U (en) * | 2019-03-19 | 2020-05-05 | 成都易态科技有限公司 | Supporting structure of filtering structure |
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2019
- 2019-03-19 CN CN201910209293.7A patent/CN109772172A/en active Pending
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2020
- 2020-02-25 WO PCT/CN2020/076537 patent/WO2020186975A1/en active Application Filing
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2020186975A1 (en) * | 2019-03-19 | 2020-09-24 | 成都易态科技有限公司 | Filtering structure, manufacturing method of filtering structure and filter element |
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| WO2020186975A1 (en) | 2020-09-24 |
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