CN102059057B - Method and device for manufacturing disk filter bag - Google Patents
Method and device for manufacturing disk filter bag Download PDFInfo
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- CN102059057B CN102059057B CN 200910224637 CN200910224637A CN102059057B CN 102059057 B CN102059057 B CN 102059057B CN 200910224637 CN200910224637 CN 200910224637 CN 200910224637 A CN200910224637 A CN 200910224637A CN 102059057 B CN102059057 B CN 102059057B
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- laminated material
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Abstract
The invention discloses a method for manufacturing a disk filter bag, which comprises the following steps of: sticking two film base materials with air permeability to the top surface and the bottom surface of a water guide net base material to form a three-layer laminated material; continuously conveying the laminated material by using a machine tool capable of keeping stable tension, thermally pressing and laminating the laminated material on the conveying path in a point contact mode of a thermal pressing unit to form a circular butt fusion edge on the laminated material, and forming a semi-finished disk-shaped and hollow filter bag on the laminated material; and punching the semi-finished filter bag to form a hole production hole in the center of the semi-finished filter bag so as to form the finished disk filter bag. The invention also provides a manufacturing device for implementing the method for manufacturing the disk filter bag.
Description
Technical field
The present invention relates to the filter bag that a kind of Separation of Solid and Liquid is used, and particularly relevant for a kind ofly make fast, the filter bag qualification rate is high and manufacture method and the manufacturing installation thereof of disc formula filter bag not cracky.
Background technology
Carry out the technology of Separation of Solid and Liquid with membrane filtration device, be used in widely in the sewage recycling, wherein, immerse film in the sewage treatment tank fully, and increase the immersion type practice of aeration oxygen supply at bottom land, because be to adopt negative pressure that filtrate suction is produced the water side, so the energy loss in the time of can reducing sewage by film, and because film is mounted in the cell body, therefore more do not take up space yet.
Present known immersion type filter, common are the patterns such as hollow tube, hollow fiber film (Hollow fiber membrane), plate and frame film (Flat sheet membrane), its characteristics are to have the larger dirty area that cuts in the unit volume, and therefore producing the water side can obtain desirable filtrate and filter effect.On the other hand, block (MembraneFouling) for fear for the treatment of trough internal cause concentration polarization phenomenon (Concentration Polarization) and film, cause the decay of filtrate flow velocity, although increase the aeration disturbance at bottom land, but antifouling stifled effect is still undesirable, more efficient mode is that film (pipe) is carried out the back washing program, the long-pending filter cake that is attached to the filter membrane appearance is produced to break away from, above-mentioned hollow tube and hollow fiber film are because the aperture is quite trickle, therefore also can't impose the back washing program, though and the plate and frame film is declared and can be gone out filter cake by producing the water side blow with filtrate, but be subject to the restriction of sheet frame body, filtrate oppositely punching must be not identical except the pressure potential to each side of sheet frame, so in fact can not reach the effect of back washing.
In view of this, this case applicant has developed a kind of filter bag of disc formula, it is the supporting network that is folded with a mesh between two rounded films, and supporting network is to amass mutually with aforementioned film in the ultrasonic mode of binding to close in outer rim, and film and the concentric product water hole that is equipped with of supporting network central authorities, so, namely form trilamilar flat capsule formula structure of filter bag, the product water hole of this filter bag is that cover is through on the water producing pipe that a surface has most through holes, fixing in the both sides cramping with a water guide dish group in addition, relevant Patent Case can be seen in TaiWan, China patent I295589, the patent of invention cases such as I312767 and I303579 number.Because filter bag is collar plate shape, and produce the central authorities that the water hole is arranged at card, when therefore carrying out the back washing program, filtrate is all unanimously the reverse push extruding force of film, therefore can obtain good back washing effect, and filter bag need to not organized solid at side or outer rim with thick frame, so overall weight is light, thin thickness, under identical space, the quantity that its filter bag can repeatedly be organized is higher, and section dirty area of relative efficiency is larger.
Although but above-mentioned disc formula structure of filter bag has back washing, plurality of advantages that retaining power is high, in the manufacturing of reality, but there is it to wait to improve and solves part; Namely, method for making in the past is supporting network and the film that cuts into first preliminary dimension, then the three being put into a mould coincides, then, recycling ultrasonic welding mode, three's edge is imposed ultrasonic to be binded and connects airtight, simultaneously, utilize the cutting knife head to cut out this product water hole in central authorities, but the outside dimension for filter bag is larger, will be once imposing for the edge of filter bag that ultrasonic binds certainly will be impossible, normally the swinging ultrasonic technology with segmentation engages (generally being outer rim to be divided into three 120 fan-shaped blocks of spending process), and under the prerequisite that requires to want high based on the edge watertightness, the ultrasonic that filter bag will have the part to repeat to bind in outer rim inevitably connects edge, the edge that connects of this overlapping can be excessively of a specified duration because of weld time, so that producing, the filter bag surface scalds, modification, even the infringement slit that naked eyes can't identification is arranged, so that the fraction defective of product improves, and on the watertightness quality for leakproof, also can derive follow-up puzzlement; Moreover this segmentation engages the mode of outer rim, and is too slow on product speed, needs a large amount of manpowers to operate, and do not meet economic benefit.
In addition, because be to adopt segmentation revolution processing to bind, the product water hole of central authorities is after pressing through the cutting knife primary drying, and meeting is so that film produces temporary close pressure with supporting network is connected, and the circulation of filtrate is advanced when affecting product water, must break into two with one's hands with manpower in addition, also inconvenience.
Summary of the invention
Purpose of the present invention, be to provide a kind of manufacturing fast, manufacture method and the manufacturing installation thereof of the filter bag qualification rate is high, film and water guide net can not be connected mutually when not cracky, and processing produced the water hole disc formula filter bag.
In order to reach above-mentioned purpose, solution of the present invention is:
A kind of manufacture method of disc formula filter bag comprises following steps: step (A): two film substrates and a water guide net base material that preparation has gas permeability; Step (B): aforementioned film substrate is sticked respectively in top, the bottom surface of this water guide net base material, to consist of a trilamilar laminated material; Step (C): can keep the facility of stable tension to carry continuously with one this laminated material, and on its transport path, this laminated material carried out with a heat-pressure unit that hot pressing is long-pending closes, this heat-pressure unit is on the mobile route of this laminated material, with a way of contact it being imposed hot-rolling presses, make the mutual driving fit of previous materials and rounded welding edge to form one at this laminated material, and impel the filter bag semi-finished product that are formed with a dishful of plate-like and hollow on this laminated material; Step (D): will process through a punching again through the filter bag semi-finished product after the roll-in, make the half-finished center of filter bag be determined one and produce the water hole, to consist of a dishful of disc type filter bag finished product.
In the above-mentioned steps (C), this heat-pressure unit is in the half-finished both sides of filter bag, and Continuous Heat is pressed with twice tension positioning strip simultaneously.
More be prepared with two diaphragms in the above-mentioned steps (A), two-layer diaphragm be placed in respectively the outside of step (B) double-layer films base material, make the laminated material of five-layer structure through the hot-pressing processing of heat-pressure unit.
Said protection film is to make with the thin-film material of non-thermoplasticity.
When above-mentioned steps (C) is carried out hot pressing, synchronously the filter bag semi-finished product are cut off.
Long-pending the closing of hot pressing in the above-mentioned steps (C) is to adopt ultrasonic processing bonding mode or high frequency processing bonding mode.
A kind of manufacturing installation of disc formula filter bag includes a supply unit, a heat-pressure unit and a punching unit; Supply unit has a plurality of drives and a plurality of fixed axis, and is set in two film substrates and a water guide net base material on this fixed axis respectively; Heat-pressure unit has a pneumatic cylinder, a transmission group, a heating group, and a hot pressing running roller that is moved in this pneumatic cylinder and transmission group, and the surface of this hot pressing running roller is provided with the dimpled grain of a dishful of dish type; Whereby, utilize the transmission of each drive, the one laminated material strip warp let-off is crossed the hot pressing running roller below of this heat-pressure unit, and start pneumatic cylinder, transmission group and heating group, and so that this hot pressing running roller begins rotation, the dimpled grain on the recycling hot pressing running roller, two film substrates and water guide net base material are carried out hot pressing and cut off operation, to mold the filter bag of a dishful of plate-like and hollow, last, recycle this punching unit these filter bag central authorities are bestowed the punching processing.
More be provided with twice side pressure line on the hot pressing running roller of above-mentioned heat-pressure unit, each side pressure line is positioned at the both sides of this disc shape dimpled grain.
Side pressure line on the above-mentioned hot pressing running roller presents zigzag.
The transmission group of above-mentioned heat-pressure unit comprises the chain of a transport heat roller wheel and the drive of a plurality of drive filter bags.
After adopting such scheme, manufacture method and the manufacturing installation thereof of disc formula filter bag of the present invention utilize a some way of contact to carry out that hot pressing is long-pending closes, and only the rotation of hot pressing running roller is once enclosing the plastic filter bag that goes out the disc shape, and it is made fast, can reduce manufacturing cost; And the power dissipation of some contact weld job is low, can save the energy; Secondly, the point of continous way contact welding mode, filter bag is cracky not, and also the problem in weldless space therefore quality is good and qualification rate is high, can significantly reduce the generation of waste material; In addition, utilize punching unit directly to run through filter bag, so that unlikely phase gluing between film substrate and the water guide net base material.
Description of drawings
Fig. 1 is the flow chart of steps of the first embodiment of the manufacture method of disc formula filter bag of the present invention;
Fig. 2 is the plane of specific embodiment of the manufacturing installation of disc formula filter bag of the present invention;
Fig. 3 is the partial perspective view of the manufacturing installation of disc formula filter bag of the present invention;
Fig. 4 is the plane of the disc formula filter bag finished product of three-decker;
Fig. 5 is the cutaway view for disc formula filter bag finished product;
Fig. 6 is the flow chart of steps of the second embodiment of the manufacture method of disc formula filter bag of the present invention;
Fig. 7 is be sticked respectively in the laminated material two sides cutaway view of a diaphragm of the present invention.
The specific embodiment
With reference to Fig. 1, be the first embodiment of the manufacture method of disc formula filter bag provided by the present invention, comprise following steps:
Step (A): two film substrates and a water guide net base material that preparation has gas permeability.
Step (B): aforementioned film substrate is sticked respectively in top, the bottom surface of aforementioned water guide net base material, to consist of a trilamilar laminated material.
Step (C): can keep the facility of stable tension to carry continuously with one aforementioned laminated material, and on its transport path, this laminated material carried out with a heat-pressure unit that hot pressing is long-pending closes, this heat-pressure unit is on the mobile route of this laminated material, with a way of contact it being imposed hot-rolling presses, make the mutual driving fit of previous materials and rounded welding edge 110 (as shown in Figure 3) to form one at this laminated material, and impel the filter bag semi-finished product that are formed with a dishful of plate-like and inner hollow on this laminated material.In addition, when laminated material is carried out hot pressing, be utilize this heat-pressure unit synchronously with the filter bag semi-finished product by being cut off on the laminated material, and the filter bag semi-finished product that cut off on laminated material are collected from material storing box deposit.
Step (D): most filter bag semi-finished product levels after will cutting off through roll-in overlap, and process through a punching again, make the half-finished center of filter bag be determined one and produce water hole 120 (as shown in Figure 4), to consist of a dishful of disc type filter bag finished product.
In the present invention, the hot pressing in the abovementioned steps (C) is long-pending closes processing and can adopt ultrasonic processing bonding mode or high frequency processing bonding mode, and carry out hot pressing and process, in the present embodiment, be as example in ultrasonic processing bonding mode.
With reference to Fig. 2 and Fig. 3, be that the manufacturing installation of disc formula filter bag of the present invention comprises a supply unit 10, a heat-pressure unit 20 and a punching unit 30 according to the manufacture method of the disc formula filter bag of the present invention of above-mentioned the first embodiment.In the present embodiment, this supply unit 10, heat-pressure unit 20 and punching unit 30 are to be placed on the board 40.
Supply unit 10 has a plurality of drives 11 and a plurality of fixed axis 12, and is set in two film substrates 13 and a water guide net base material 14 on this fixed axis 12 respectively.In the present embodiment, film substrate 13 is wound on respectively in the rotating shaft with water guide net base material 14, and is for subsequent use to be placed on the fixed axis 12.
Heat-pressure unit 20 has a pneumatic cylinder 21, a transmission group 22, a heating group 23, and one is moved in the hot pressing running roller 24 of this pneumatic cylinder 21 with transmission group 22.In the present embodiment, this heating group 23 is ultrasonic oscillating plates.The surface of this hot pressing running roller 24 just is a circle around being provided with a dimpled grain 241 after this dimpled grain 241 launches.
During operation, double-layer films base material 13 is folded in respectively top, the bottom surface of water guide net base material 14, consisting of a trilamilar laminated material, and utilize the transmission of each drive 11, hot pressing running roller 24 belows of heat-pressure unit 20 are crossed in the laminated material strip warp let-off that aforementioned three is formed.Then, start pneumatic cylinder 21, transmission group 22 and heating group 23, this pneumatic cylinder 21 can order about hot pressing running roller 24 and move down and contact laminated material, and form common cramping laminated material with this heating group 23, then, laminated material is under the traction of transmission group 22 and hot pressing running roller 24, heating group 23 can impose the higher-order of oscillation for laminated material, simultaneously, these hot pressing running roller 24 beginning synchronous rotaries, 241 pairs of two film substrates 13 of dimpled grain on the recycling hot pressing running roller 24 carry out supersonic hot-pressing processing with water guide net base material 14, with filter bag 100 semi-finished product that mold a dishful of plate-like and hollow.Above-mentioned when carrying out the ultrasonic welding, dimpled grain 241 outer rims of this heat pressure roller 24 are to have trickle incisxal edge (not shown), therefore can be when hot pressing running roller 24 roll-in laminated material, most peripheral circle to welding edge 110 forms the cut-out effect, and filter bag 100 semi-finished product can be separated on laminated material.Please refer to Fig. 4 and Fig. 5, last, recycle 30 pairs of this filter bag 100 semi-finished product central parts of this punching unit and carry out the punching processing, make filter bag central authorities be formed with one and produce water hole 120 (as shown in Figure 4), can finish.
Please refer to Fig. 6, is the second embodiment of the manufacture method of disc formula filter bag of the present invention again, comprises following steps:
Step (A): two film substrates, a water guide net base material and two diaphragms that preparation has gas permeability, aforementioned diaphragm is to make with the thin-film material of non-thermoplasticity, such as paper wood, strippable paper (release paper), wooden fine paper etc.
Step (B): aforementioned film substrate is sticked respectively in top, the bottom surface of this water guide net base material, and aforementioned diaphragm is placed in respectively the outside of two film substrates, to consist of a laminated material of five stratiforms.
Step (C): can keep the facility of stable tension to carry continuously with one this laminated material, and on its transport path, this laminated material carried out with a heat-pressure unit that hot pressing is long-pending closes, this heat-pressure unit is on the mobile route of this laminated material, with a way of contact it being imposed hot-rolling presses, thereby form one at this laminated material and make the mutual driving fit of previous materials and rounded welding edge 110, and the tension positioning strip 130 (as shown in Figure 3) of twice saw shape, and impel the filter bag semi-finished product that are formed with a dishful of plate-like and hollow on this laminated material.In addition, aforementioned when carrying out hot pressing, synchronously the filter bag semi-finished product are cut off.
Step (D): the diaphragm of filter bag semi-finished product two sides is removed; because the diaphragm of filter bag semi-finished product two sides is non-thermoplasticity material; therefore; through hot pressing is long-pending close after; can not produce welding with film substrate, the operator can be removed the diaphragm on the filter bag semi-finished product lateral surface outward easily.
Step (E): will process through a punching through the filter bag semi-finished product after the roll-in, and make the half-finished center of filter bag be determined one and produce the water hole, to consist of a dishful of disc type filter bag finished product.
As mentioned above, compared to the use problem of disc filter bag method for making in the past, manufacture method and the manufacturing installation thereof of disc formula filter bag of the present invention have following effect and advantage:
(1) utilize the some way of contact so that 24 weldings of hot pressing running roller once enclosing the plastic filter bag that goes out the disc shape, are made fast, and the consistent equalization of machinery, operation fast, can reduce manufacturing cost;
The segmentation ultrasonic welding of the face contact of (2) adopting with respect to filter bag in the past, laminated material of the present invention is to implement to adopt a some contact weld job within the unit interval, its power dissipation is low, can save the energy;
(3) point of continous way contact welding mode, without repeating the welding position, so filter bag cracky not, also the problem that produces of weldless space therefore quality is good and qualification rate is high, can significantly reduce the generation of waste material;
(4) utilize punching unit directly to run through filter bag, so that unlikely phase gluing between film substrate and the water guide net base material, so also need not to break into two with one's hands with manpower in addition.
It is worth mentioning that, the disc formula filter bag that the second embodiment manufactures, utilize side pressure line 242 synchronous pressings of hot pressing running roller 24 to process, to keep suitably tension force of laminated material surface, and make this laminated material keep more stably being carried continuously by facility, not only can strengthen the workmanship of disc filter bag, also can accelerate manufacturing operation.In addition; the laminated material of five stratiforms among Fig. 7; the setting of its diaphragm 15; in the middle of processing; to keep the planarization on film substrate 13 surfaces, can avoid film substrate 13 can't intactly connect airtight after the ultrasonic pressing is processed because of surperficial fold, or be subject to the contamination of greasy dirt; so, can keep the quality of filter bag 100.
The above only is embodiments of the invention, can not limit protection scope of the present invention with this, every technological thought that proposes according to the present invention, and any change of doing on the technical scheme basis all falls within the protection domain of the present invention.
Claims (10)
1. the manufacture method of a disc formula filter bag is characterized in that comprising following steps:
Step (A): two film substrates and a water guide net base material that preparation has gas permeability;
Step (B): aforementioned film substrate is sticked respectively in top, the bottom surface of this water guide net base material, to consist of a trilamilar laminated material;
Step (C): can keep the facility of stable tension to carry continuously with one this laminated material, and on its transport path, this laminated material carried out with a heat-pressure unit that hot pressing is long-pending closes, this heat-pressure unit is on the mobile route of this laminated material, with a way of contact it being imposed hot-rolling presses, make the mutual driving fit of previous materials and rounded welding edge to form one at this laminated material, and impel the filter bag semi-finished product that are formed with a dishful of plate-like and hollow on this laminated material;
Step (D): will process through a punching again through the filter bag semi-finished product after the roll-in, make the half-finished center of filter bag be determined one and produce the water hole, to consist of a dishful of disc type filter bag finished product.
2. the manufacture method of disc formula filter bag as claimed in claim 1 is characterized in that: in the described step (C), this heat-pressure unit is in the half-finished both sides of filter bag, and Continuous Heat is pressed with twice tension positioning strip simultaneously.
3. the manufacture method of disc formula filter bag as claimed in claim 1; it is characterized in that: more be prepared with two diaphragms in the described step (A); two-layer diaphragm is placed in respectively the outside of step (B) double-layer films base material; make the laminated material of five-layer structure through the hot-pressing processing of heat-pressure unit; and in step (C) afterwards; the diaphragm of filter bag semi-finished product two sides is removed, enter again step (D).
4. the manufacture method of disc formula filter bag as claimed in claim 3, it is characterized in that: described diaphragm is to make with the thin-film material of non-thermoplasticity.
5. the manufacture method of disc formula filter bag as claimed in claim 1 is characterized in that: when described step (C) is carried out hot pressing, synchronously the filter bag semi-finished product are cut off.
6. the manufacture method of disc formula filter bag as claimed in claim 1 is characterized in that: long-pending the closing of the hot pressing in the described step (C) is to adopt ultrasonic processing bonding mode or high frequency processing bonding mode.
7. the manufacturing installation of a disc formula filter bag is characterized in that: include a supply unit, a heat-pressure unit and a punching unit;
Supply unit has a plurality of drives and a plurality of fixed axis, and is set in two film substrates and a water guide net base material on this fixed axis respectively;
Heat-pressure unit has a pneumatic cylinder, a transmission group, a heating group, and a hot pressing running roller that is moved in this pneumatic cylinder and transmission group, and the surface of this hot pressing running roller is provided with the dimpled grain of a dishful of dish type;
Whereby, utilize the transmission of each drive, the one laminated material strip warp let-off is crossed the hot pressing running roller below of this heat-pressure unit, and start pneumatic cylinder, transmission group and heating group, and so that this hot pressing running roller begins rotation, the dimpled grain on the recycling hot pressing running roller, two film substrates and water guide net base material are carried out hot pressing and cut off operation, to mold the filter bag of a dishful of plate-like and hollow, last, recycle this punching unit these filter bag central authorities are bestowed the punching processing.
8. the manufacturing installation of disc formula filter bag as claimed in claim 7, it is characterized in that: more be provided with twice side pressure line on the hot pressing running roller of described heat-pressure unit, each side pressure line is positioned at the both sides of this disc shape dimpled grain.
9. the manufacturing installation of disc formula filter bag as claimed in claim 8, it is characterized in that: the side pressure line on the described hot pressing running roller presents zigzag.
10. the manufacturing installation of disc formula filter bag as claimed in claim 7, it is characterized in that: the transmission group of described heat-pressure unit comprises the chain of a transport heat roller wheel and the drive of a plurality of drive filter bags.
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CN 200910224637 CN102059057B (en) | 2009-11-16 | 2009-11-16 | Method and device for manufacturing disk filter bag |
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CN 200910224637 CN102059057B (en) | 2009-11-16 | 2009-11-16 | Method and device for manufacturing disk filter bag |
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CN102059057B true CN102059057B (en) | 2013-03-06 |
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CN 200910224637 Expired - Fee Related CN102059057B (en) | 2009-11-16 | 2009-11-16 | Method and device for manufacturing disk filter bag |
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CN104069684B (en) * | 2013-03-29 | 2016-05-04 | 黑龙江彩格工业设计有限公司 | The structure of porous filter cake and welding process |
CN107670508A (en) * | 2017-10-20 | 2018-02-09 | 成都美富特膜科技有限公司 | A kind of novel flexible flat membrane component |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1403182A (en) * | 2002-07-04 | 2003-03-19 | 上海菲尔特空气净化技术有限公司 | HF hot melt filtering bag for air filter and its production process |
TWI312767B (en) * | 2006-06-27 | 2009-08-01 | New Century Membrane Co Ltd | A rotatable water-processing device |
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2009
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Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1403182A (en) * | 2002-07-04 | 2003-03-19 | 上海菲尔特空气净化技术有限公司 | HF hot melt filtering bag for air filter and its production process |
TWI312767B (en) * | 2006-06-27 | 2009-08-01 | New Century Membrane Co Ltd | A rotatable water-processing device |
Non-Patent Citations (1)
Title |
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JP昭52-131260A 1977.11.04 |
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