CN104226041A - Corrugated circular pipe filter formed by plastic sinter board pipe coiling process and manufacturing method of corrugated circular pipe filter - Google Patents
Corrugated circular pipe filter formed by plastic sinter board pipe coiling process and manufacturing method of corrugated circular pipe filter Download PDFInfo
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- CN104226041A CN104226041A CN201410489533.0A CN201410489533A CN104226041A CN 104226041 A CN104226041 A CN 104226041A CN 201410489533 A CN201410489533 A CN 201410489533A CN 104226041 A CN104226041 A CN 104226041A
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Abstract
The invention relates to a corrugated circular pipe filter formed by a plastic sinter board pipe coiling process and a manufacturing method of the corrugated circular pipe filter. The corrugated circular pipe filter is characterized in that corrugated toothed structures are arranged on the inner surface and the outer surface of a corrugated circular pipe filter element; the two ends of the corrugated circular pipe filter element are connected with each other in an embedded manner to form a coil pipe; the outside of the corrugated circular pipe filter element is sleeved with an socket joint sleeve and is connected with the socket joint sleeve by gluing; the inner cavity of the socket joint sleeve and the corrugated circular pipe filter element are same in outer diameter and shape, so that the corrugated circular pipe filter element can be inserted into the inner cavity of the socket joint sleeve in a butted manner. The manufacturing method comprises the following steps: adding a high-molecular-weight polyethylene material with the particle size of 20-100 meshes into a metal forming mould, putting the mould into a sintering box, gradually heating to enable plastic particles to form a formed product with micropores, cooling, coating the two ends of the plate-type product with a layer of adhesive, coiling to be in a circular pipe shape, and mutually embedding and shaping the glued edges of the two ends of the product to form the corrugated circular pipe filter. The corrugated circular pipe filter can be subjected to reverse jet-pulse cleaning and has numerous advantages of large filtering area, high filtering precision, energy conservation, emission reduction and the like, and the service life of the corrugated circular pipe filter is prolonged.
Description
Technical field
The present invention relates to filtering material, particularly a kind of ripple pipe filter adopting sintered plate pipe rolling technique shaping and preparation method thereof.
Background technology
Along with the development of society, people more and more pay close attention to ecological environment and air quality and pay attention to, and cleaner is that Air Pollution prevention and control applies maximum equipment, and wherein pulse bag type dust collector is also one of most important emission abatement device in removing dust project.
Due to the raising of environmental protection standard, for the dust particularly dust of less than 5 μm, maximum to the health hazard of human body, therefore the deduster required should have the features such as trapping micro mist efficiency is high, volume is little, oil resistant waterproof, long service life, and sinter-plate precipitator is exactly the deduster of new generation for meeting above-mentioned requirements.
Sintered plate major country of production takes as the leading factor with Germany, Japanese major company in the world at present, and the research that China carries out sintered plate starts from the beginning of the nineties in last century, substantially follows the patented technology of German Herding GmbH Entstaubungsanlagen.Its primary structure form is a plate with hollow structure, dusty gas by plate surface micropore time, dust is blocked on the surface of plate, the clean air filtered through plate surface micropore be drawn out of in hollow part and formed dirt gas separation filter.
Sintered plate burns powder particle and be seated in mould by moulding and carry out the shaping goods of heat-agglomerating, is therefore called as sintered plate.
Because ultra-high molecular weight polyethylene is being heated to also not flow under molten condition, its melt index is the characteristic of 0 substantially, is just a kind of comparatively ideal raw base substrate, has occurred some patented technologies and reported in literature at home and abroad thus as processing microporous article.
Ultra-high molecular mass polyethylene micropore forming technique is the plastic powders particle selecting certain particle diameter, heat in the mould being seated in required form, formalize to the state of initial melt state or plastic powders particle surface fused inner also all meltings, cooling is until goods are taken out in the demoulding, its whole forming process time is different according to article shape, need 3 ~ 8 hours, therefore the making inefficiency of product, energy consumption are large, and yield rate is low, it is the main cause of sintered plate product fetch long price.
For using pulse bag type dust collector widely at present, filter bag has central role in deduster, diameter of phi 125 ~ Φ 180mm of filter bag, length 2 ~ 10m, the filtrate that filter bag adopts is made into by fiber, for ensureing filter bag shape in working order, frame supported filter bag is furnished with outside filter bag, when pulse jetting deashing, the compressed air of gas bag ejects the air-flow of one high speed and high pressure to filter pocket mouths, make to occur moment malleation in filter bag, sharply expand and dust outside the filter bag that shakes, to reach deashing object.But in pulse dust cleaning process, filter bag stands distortion, expands and carry out interrupted repeat impact, collision with framework, and its shock place easily causes the damage on filter bag surface and causes the inefficacy of filter bag, so the service life of filter bag is usually at about 1 year.
About cartridge filter, the cartridge filter made by non-woven fabrics commercially available at present, adopts non-woven fabrics to form wavy surface after folding, then is rolled into drum.This class methods simple and feasible, be the pattern that current most cartridge filter adopts, but the filter element that non-woven fabrics makes is usually used as attrition component, cannot recoil self-cleaning or cleaning in use for some time, can only change, generally be applicable to small-sized household air cleaner.Because non-woven fabrics is thiner, wash away cracky through air-flow and dust granules, thus affect the operational effect of whole cleaner.
In view of this, seek a kind of ripple pipe filter adopting sintered plate pipe rolling technique shaping and preparation method thereof and become pursuing a goal of these those skilled in the art.
Summary of the invention
Task of the present invention is to provide a kind of ripple pipe filter adopting sintered plate pipe rolling technique shaping and preparation method thereof, it solve the problem existing for above-mentioned prior art, adopt Polyethylene with Ultra High Molecular Weight powder particle sinter in mould a kind of there is complete through micropore and there are bellows-shaped sintered plate type goods, namely this sheet material can be rolled into round tube shape becomes surface in undulatory tubular filter after connecting sizing.
Technical solution of the present invention is as follows:
The ripple pipe filter adopting sintered plate pipe rolling technique shaping, described ripple pipe filter comprises ripple pipe filter element and socket joint female connector;
The inner surface of described ripple pipe filter element and the dentalation of outer surface all in bellows-shaped, the two ends of ripple pipe filter element are connected to form pipe crimping mutually chimericly;
Described socket joint female connector is as the coil length connector of ripple pipe filter element, and socket joint female connector is sleeved on the outside of ripple pipe filter element, and gluing connects, and the inner chamber of socket joint female connector is identical with the outer diameter shape of ripple pipe filter element so that dock and insert.
The two ends of described ripple pipe filter element are fitting to connection as two ends are fitted together to bonding.
A preparation method for the ripple pipe filter adopting sintered plate pipe rolling technique shaping, it comprises the following steps:
(1) adopt the superhigh molecular weight polyethylene material of mean molecule quantity 200 ~ 1,000 ten thousand, through screening, select granularity 20 ~ 100 object raw material stand-by;
(2) install metal forming mould, progressively added by the plastic raw materials selected by charge door, fill closely knit to dies cavity, the material now in die cavity be mutually extrude heaped-up between particle, and control add the weight of raw material;
(3) mould after reinforced is put into sinter box progressively heat temperature raising, be heated to 150 DEG C ~ 230 DEG C, in heating process, plastic grain in die cavity starts melting and expanded by heating, the micropore that plastic grain mutually extrudes in the space that die cavity limits, bonding and space between particle just forms moulded products; When completing heat-agglomerating operation, mould being shifted out sintering furnace and cools;
(4) after mold cools down, template goods are taken out;
(5) last layer bonding agent is coated with in connection contact position, template goods two ends, template goods are rolled into tubular by modular system, edges at two ends gluing place embeds sizing mutually, when the ripple dentation size of edges at two ends scarf after sizing and other ripple dentations measure-alike;
(6) the ripple pipe filter after shaping is tested, qualified rear stand-by.
The preparation method of the ripple pipe filter that described employing sintered plate pipe rolling technique is shaping is further comprising the steps of: adopt socket joint female connector as the length connector of ripple pipe filter, socket joint female connector is sleeved on the outside of ripple pipe filter, gluing connects.
In described step (1), superhigh molecular weight polyethylene material preferentially selects 4,500,000 mean molecule quantities.
In described step (1), superhigh molecular weight polyethylene material preferentially selects 40 ~ 80 order granularities after screening.
In described step (3), the mould after reinforced is put into the temperature prioritised of sinter box heat temperature raising and is selected 185 DEG C.
In described step (5), apply one deck silica gel bonding agent in connection contact position, template goods two ends.
The present invention adopts Polyethylene with Ultra High Molecular Weight powder particle to sinter in mould a kind ofly have complete through micropore and have bellows-shaped sintered plate type goods, and this sheet material can be rolled into round tube shape can become surface in undulatory tubular filter after connecting sizing.
The main feature of a kind of ripple pipe filter adopting sintered plate pipe rolling technique shaping of the present invention and preparation method thereof is as follows:
1, ripple pipe filter has the same characteristic features and advantage that sintered plate class filter element possesses.
2, ripple pipe metre filter area is compared with the cloth bag of the sack cleaner of same specification, and filter area increases, and improves efficiency of dust collection, can reduce the manufacturing cost that deduster is totally equipped under equal working condition.
3, connect mutually embedding structure (as shown in Figure 2) in pipe rolling technique, convenient and reliable, overall dimensions are consistent, and the filter area loss after bonding is only 3% ~ 4%.
4, plate mold relative tubular type unitary mould processing and fabricating is convenient, and product forming technique and Product Precision easily control, and the qualification rate of goods can improve and reaches more than 97%.The plate mold heating surface homogeneous heating time is short, can reduce over half compared with the tubular type unitary mould heating and cooling time.
5, the sintered plate pipe rolling technique made by the present invention conveniently can produce the sintered plate compared with long size, as 1m, 1.5m, 2m length, also can reach identical specification by the length of the shaping ripple pipe filter of pipe rolling technique.
6, socket joint female connector (as shown in Figure 3) is the length connector of ripple pipe filter, and generic engineering plastics can be adopted to make, and its inner chamber is identical with the outer diameter shape of ripple pipe filter, and be convenient to docking and insert, it highly generally adopts 1 ~ 2 times of external diameter.As the cloth bag specification of certain standard cloth envelop collector, its diameter is Φ 160mm, be highly 6m, adopt a length 1m × 6 ripple pipe, a 1.5m × 4 ripple pipe and a 2m × 3 ripple pipe to select combination respectively according to filter bag frame size, can adopt socket joint female connector connected mode that it is connected to specific length by root; And easy to maintenance, if having somewhere to damage can adopt surface coating method for repairing and mending, worse one section can be clipped as damaged, changing the ripple pipe that a section of same size is new, re-using socket joint female connector gluing and connect.
7, sintered plate by bulk strength after the bonding sizing of pipe crimping and rigidity high, the recoil impact of air-flow and indeformable can be born for a long time, during recoil, bellow-shaped filter and filter bag frame do not deform and contact, therefore there is very long service life, and maintaining cost significantly reduces, there is good using value.
Ripple pipe filter of the present invention is mainly used in gas-solid separating device, partly can replace the cloth bag in now widely used fiber bag precipitator, and can adopt the connected mode of socket joint female connector that ripple tubular filter is connected into designated length, just conveniently can replace cloth bag.It is self-cleaning that rigid structure due to ripple pipe filter can bear pulse backblowing, improves service life, and have the plurality of advantages such as filter area is large, filtering accuracy is high, energy-saving and emission-reduction.
Accompanying drawing explanation
The structural representation of Fig. 1 to be a kind of sintered plate pipe crimping of the present invention be initial template goods.
Fig. 2 is the structural representation that the two ends of pipe crimping shown in Fig. 1 are fitting to connection.
Fig. 3 is the structural representation of a kind of ripple pipe filter of the present invention.
Reference numeral:
1 is ripple pipe filter element, and 2 is socket joint female connector.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is elaborated.
Referring to Fig. 1 to Fig. 3, the invention provides a kind of ripple pipe filter adopting sintered plate pipe rolling technique shaping, this ripple pipe filter forms primarily of ripple pipe filter element 1 and socket joint female connector 2.
As shown in Figure 1, initial sintered plate pipe crimping is a kind of template goods, the upper surface of these template goods and the lower surface dentalation all in bellows-shaped.
As shown in Figure 2, wound up by these template goods and namely form pipe crimping, pipe crimping two ends are fitting to connection mutually, make a kind of ripple pipe filter element 1.The inner surface of ripple pipe filter element 1 and the dentalation of outer surface all in bellows-shaped, the dentalation at ripple pipe filter element 1 two ends is fitting to connection mutually.For making the two ends of ripple pipe filter element 1 be connected firmly, two ends dentalation gluing can be fitted together to bonding.
As shown in Figure 3, socket joint female connector 2 is as the coil length connector of ripple pipe filter element 1, and socket joint female connector 2 is sleeved on the outside of ripple pipe filter element 1, and both gluings connect.The inner chamber of socket joint female connector 2 is identical with the outer diameter shape of ripple pipe filter element 1, is convenient to docking and inserts.
In actual applications, the ripple pipe filter that employing sintered plate pipe rolling technique of the present invention is shaping can be applicable to gas-solid separating device, with the use of socket joint female connector, for making the cloth bag in fiber bag precipitator.Ripple pipe filter of the present invention also can be directly used in manufacture filtering element for air purifier, if as long as manufactured filter core height dimension one section of ripple pipe is just enough, that just need not with the use of socket joint female connector.
The present invention also provides a kind of preparation method of the ripple pipe filter adopting sintered plate pipe rolling technique shaping, and concrete steps are as follows:
(1) adopt the superhigh molecular weight polyethylene material of mean molecule quantity 200 ~ 1,000 ten thousand, through screening, select granularity 20 ~ 100 object raw material stand-by.Superhigh molecular weight polyethylene material can preferentially select 4,500,000 mean molecule quantities.Superhigh molecular weight polyethylene material preferentially can select 40 ~ 80 order granularities after screening.
(2) install metal forming mould, progressively added by the plastic raw materials selected by charge door, fill closely knit to dies cavity, the material now in die cavity be mutually extrude heaped-up between particle, and control add the weight of raw material.
(3) mould after reinforced is put into sinter box progressively heat temperature raising, be heated to 150 DEG C ~ 230 DEG C, preferentially select preferably 185 DEG C.When being heated to regular hour and temperature, the plastic grain in die cavity starts melting and expanded by heating, the micropore that plastic grain mutually extrudes in the space that die cavity limits, bonding and space between particle just forms moulded products.Strictly control acid extraction therebetween, the time should be different according to the profile of mould structure and goods, when completing heat-agglomerating operation, mould being shifted out sintering furnace and cools.
(4) after mold cools down, take out template goods, the plate after depanning has good flexibility and inter-adhesive between particle has certain tensile strength, is conducive to follow-up pipe crimping operation.
(5) be coated with last layer bonding agent in connection contact position, template goods two ends, template goods are rolled into tubular by modular system, and edges at two ends gluing place embeds sizing mutually, and the dentalation being namely bellows-shaped by these pipe crimping two ends is fitting to connection mutually.In concrete enforcement, one deck silica gel bonding agent can be applied in this connection contact position, pipe crimping two ends.When the ripple dentation size of edges at two ends scarf after sizing and other ripple dentations measure-alike.The loss of filter area can be avoided as far as possible and reduce by this kind of connected mode, and outward appearance is consistent.After being rolled into pipe sizing, goods just have certain Rigidity and strength.
(6) the ripple pipe filter after shaping is tested, qualified rear stand-by, windage loss and efficiency of dust collection can be checked according to existing testing equipment.
The shaping ripple pipe filter of employing sintered plate pipe rolling technique of the present invention is in manufacturing process, socket joint female connector can be used as the length connector of ripple pipe filter, socket joint female connector is sleeved on the outside of ripple pipe filter, gluing connects, for replacing the cloth bag in fiber bag precipitator, or for the manufacture of requiring the ripple pipe filter article of certain altitude size.
In sum, by a kind of ripple pipe filter adopting sintered plate pipe rolling technique shaping of the present invention and preparation method thereof, adopt Polyethylene with Ultra High Molecular Weight powder particle sinter in mould a kind of there is complete through micropore and there are bellows-shaped sintered plate type goods, this sheet material can be rolled into round tube shape can become surface in undulatory tubular filter after connecting sizing.It is self-cleaning that rigid structure due to ripple pipe filter can bear pulse backblowing, and air-flow is obvious, improves service life, and has the plurality of advantages such as filter area is large, filtering accuracy is high, energy-saving and emission-reduction.
Certainly, those skilled in the art in the art will be appreciated that, above-described embodiment is only used to the present invention is described, and be not used as limitation of the invention, as long as in spirit of the present invention, the change, modification etc. of above-described embodiment all will be dropped in the scope of the claims in the present invention.
Claims (8)
1. the ripple pipe filter adopting sintered plate pipe rolling technique shaping, is characterized in that: described ripple pipe filter comprises ripple pipe filter element and socket joint female connector;
The inner surface of described ripple pipe filter element and the dentalation of outer surface all in bellows-shaped, the two ends of ripple pipe filter element are connected to form pipe crimping mutually chimericly;
Described socket joint female connector is as the coil length connector of ripple pipe filter element, and socket joint female connector is sleeved on the outside of ripple pipe filter element, and gluing connects, and the inner chamber of socket joint female connector is identical with the outer diameter shape of ripple pipe filter element so that dock and insert.
2. the ripple pipe filter that employing sintered plate pipe rolling technique according to claim 1 is shaping, is characterized in that: the two ends of described ripple pipe filter element are fitting to connection as two ends are fitted together to bonding.
3. a preparation method for the ripple pipe filter adopting sintered plate pipe rolling technique shaping, it is characterized in that, it comprises the following steps:
(1) adopt the superhigh molecular weight polyethylene material of mean molecule quantity 200 ~ 1,000 ten thousand, through screening, select granularity 20 ~ 100 object raw material stand-by;
(2) install metal forming mould, progressively added by the plastic raw materials selected by charge door, fill closely knit to dies cavity, the material now in die cavity be mutually extrude heaped-up between particle, and control add the weight of raw material;
(3) mould after reinforced is put into sinter box progressively heat temperature raising, be heated to 150 DEG C ~ 230 DEG C, in heating process, plastic grain in die cavity starts melting and expanded by heating, the micropore that plastic grain mutually extrudes in the space that die cavity limits, bonding and space between particle just forms moulded products; When completing heat-agglomerating operation, mould being shifted out sintering furnace and cools;
(4) after mold cools down, template goods are taken out;
(5) last layer bonding agent is coated with in connection contact position, template goods two ends, template goods are rolled into tubular by modular system, edges at two ends gluing place embeds sizing mutually, when the ripple dentation size of edges at two ends scarf after sizing and other ripple dentations measure-alike;
(6) the ripple pipe filter after shaping is tested, qualified rear stand-by.
4. the preparation method of the ripple pipe filter that employing sintered plate pipe rolling technique according to claim 3 is shaping, it is characterized in that: it is further comprising the steps of: adopt socket joint female connector as the length connector of ripple pipe filter, socket joint female connector is sleeved on the outside of ripple pipe filter, gluing connects.
5. the preparation method of the ripple pipe filter that employing sintered plate pipe rolling technique according to claim 3 is shaping, is characterized in that: in described step (1), superhigh molecular weight polyethylene material preferentially selects 4,500,000 mean molecule quantities.
6. the preparation method of the ripple pipe filter that employing sintered plate pipe rolling technique according to claim 3 is shaping, is characterized in that: in described step (1), and superhigh molecular weight polyethylene material preferentially selects 40 ~ 80 order granularities after screening.
7. the preparation method of the ripple pipe filter that employing sintered plate pipe rolling technique according to claim 3 is shaping, is characterized in that: in described step (3), and the mould after reinforced is put into the temperature prioritised of sinter box heat temperature raising and selected 185 DEG C.
8. the preparation method of the ripple pipe filter that employing sintered plate pipe rolling technique according to claim 3 is shaping, is characterized in that: in described step (5), applies one deck silica gel bonding agent in connection contact position, template goods two ends.
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| CN201410489533.0A CN104226041B (en) | 2014-09-23 | 2014-09-23 | Use ripple pipe filter of sintered plate pipe rolling technique molding and preparation method thereof |
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| CN201410489533.0A CN104226041B (en) | 2014-09-23 | 2014-09-23 | Use ripple pipe filter of sintered plate pipe rolling technique molding and preparation method thereof |
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Cited By (6)
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| CN105498331A (en) * | 2015-12-07 | 2016-04-20 | 洛阳双瑞金属复合材料有限公司 | Method for manufacturing filter cylinder through four-layer sintered metal wire woven mesh |
| CN105944424A (en) * | 2016-06-27 | 2016-09-21 | 上海超高环保科技股份有限公司 | Tapered sintering plate for filtering fluid and manufacturing method thereof |
| CN107537242A (en) * | 2017-07-27 | 2018-01-05 | 秦诗发 | Filter and processing mold are burnt in one-shot forming modeling |
| CN107847845A (en) * | 2015-06-08 | 2018-03-27 | 美国圣戈班性能塑料公司 | High pressure resistant filter |
| CN111117042A (en) * | 2020-02-12 | 2020-05-08 | 张勇 | Method for manufacturing medical protective sintered breathable material with sterilization channel |
| CN112588022A (en) * | 2020-11-19 | 2021-04-02 | 厦门保瑞达环保科技有限公司 | Manufacturing method of metal pleated filter bag |
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| CN111117042A (en) * | 2020-02-12 | 2020-05-08 | 张勇 | Method for manufacturing medical protective sintered breathable material with sterilization channel |
| WO2021159580A1 (en) * | 2020-02-12 | 2021-08-19 | 张勇 | Preparation method for medical protective sintered breathable material having sterilization channel |
| CN112588022A (en) * | 2020-11-19 | 2021-04-02 | 厦门保瑞达环保科技有限公司 | Manufacturing method of metal pleated filter bag |
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