CN206473895U - Filter bag - Google Patents

Abstract

The utility model is related to filter bag, including：Retainer plate and bag, bag has opening, retainer plate is fixedly connected on the edge of the opening of bag, the middle part of retainer plate has hollow-core construction, and bag has wall portion, and wall portion includes multiple sub- bag portions being sequentially connected, each sub- bag portion sealing sets and is internally formed accommodation space at it, each accommodation space is mutually isolated, and filtering particle has been filled with each accommodation space, and the width at the two ends of sub- bag portion is more than the width at the middle part of sub- bag portion.Filtering particle in sub- bag portion can increase the integral thickness of wall portion, solid particle can be effectively obstructed, the handling capacity of bag is reduced, in addition, filtering particle can adsorb more small powder and dust, and then make it that the integral filter of filter bag is better, and wall portion is set to many sub- bag portions, reduce the quantity of filtering particle, reduce cost, enabling to the integral hardness of wall portion reduces so that bag can shrink easily, be readily transported carrying.

Description

Filter bag

Technical field

The utility model is related to filtration art, more particularly to filter bag.

Background technology

Filter core is used to separate solid particle in liquid or gas so that liquid or gas are filtered, and become pure.Pass The filter bag of system is made of material more loose burlap or cotton, because the gap of burlap and cotton is larger, it is not easy to obstruct The less solid particle of particle, can not also adsorb to trickle powder and dust, cause sock filtration effect poor.

Utility model content

Based on this, it is necessary to which there is provided a kind of filter bag for the poor defect of the filter effect of traditional filter bag.

A kind of filter bag, including：Retainer plate and bag, the bag have opening, and the retainer plate is fixedly connected on described The edge of the opening of bag, the middle part of the retainer plate has hollow-core construction, the hollow-core construction and the open communication, The bag has a wall portion, and the wall portion includes multiple sub- bag portions being sequentially connected, each sub- bag portion sealing set and It is internally formed accommodation space, and each accommodation space is mutually isolated, and has been filled with filtering in each accommodation space Particle, the width at the two ends of the sub- bag portion is more than the width at the middle part of the sub- bag portion.

Each sub- bag portion includes the first sub- bag, the second sub- bag and the 3rd sub- bag, described first in one embodiment Sub- bag, the second sub- bag and the 3rd sub- bag are linked in sequence, and the first sub- bag, the second sub- bag and the described 3rd The inside of sub- bag is mutually isolated.

The width of the described first sub- bag is more than the width of the described second sub- bag in one embodiment.

The width of the 3rd sub- bag is more than the width of the described second sub- bag in one embodiment.

The sub- bag portion has circular cross-section in one embodiment.

Along the circumferential direction projection is provided with stage portion to the retainer plate in one embodiment.

The stage portion has a step surface in one embodiment, and the step surface is towards the bag.

The mesh number of the filtering particle is the mesh of 20 mesh~50 in one embodiment.

The mesh number of the filtering particle is the mesh of 20 mesh~40 in one embodiment.

The mesh number of the filtering particle is the mesh of 20 mesh~30 in one embodiment.

Above-mentioned filter bag, retainer plate enables filter bag to be fixed on filter, and the filtering particle in sub- bag portion can increase Plus the integral thickness of wall portion, solid particle can be effectively obstructed, the handling capacity of bag is reduced, in addition, filtering particle can be inhaled Attached more small powder and dust, and then make it that the integral filter of filter bag is better, and wall portion is set to many height bags Portion, on the one hand reduces the quantity of filtering particle, reduces cost, and on the other hand, enabling to the integral hardness of wall portion reduces so that Bag can shrink easily, be readily transported carrying.

Brief description of the drawings

Fig. 1 is the dimensional structure diagram of the filter bag of an embodiment；

Fig. 2 is the cross-sectional view of the filter bag of an embodiment；

Fig. 3 is the cross-sectional view in Fig. 2 along A-A hatchings.

Embodiment

For the ease of understanding the utility model, the utility model is more fully retouched below with reference to relevant drawings State.Better embodiment of the present utility model is given in accompanying drawing.But, the utility model can come in many different forms Realize, however it is not limited to embodiments described herein.On the contrary, the purpose for providing these embodiments is to make to this practicality newly It is more thorough comprehensive that the disclosure of type understands.

It should be noted that when element is referred to as " being arranged at " another element, it can be directly on another element Or can also have element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " level ", " left side ", For illustrative purposes only, it is unique embodiment to be not offered as " right side " and similar statement.

Unless otherwise defined, all of technologies and scientific terms used here by the article is led with belonging to technology of the present utility model The implication that the technical staff in domain is generally understood that is identical.It is herein to be in term used in the description of the present utility model The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term as used herein " and/or " bag Include the arbitrary and all combination of one or more related Listed Items.

For example, a kind of filter bag, including：Retainer plate and bag, the bag have opening, and the retainer plate is fixedly connected on The edge of the opening of the bag, the middle part of the retainer plate has hollow-core construction, the hollow-core construction and the opening Connection, the bag has wall portion, and the wall portion includes multiple sub- bag portions being sequentially connected, and each sub- bag portion sealing is set And accommodation space is internally formed at it, each accommodation space is mutually isolated, and has been filled with each accommodation space Particle is filtered, the width at the sub- bag portion two ends is more than the width in the middle part of the sub- bag portion.

In the present embodiment, retainer plate is used to fix bag so that filter bag can be fixed on filter, in sub- bag portion Filtering particle can increase the integral thickness of wall portion, can effectively obstruct solid particle, reduce the handling capacity of bag, in addition, Filtering particle can adsorb more small powder and dust, and then make it that the integral filter of filter bag is better, and by wall portion Many sub- bag portions are set to, on the one hand reduces the quantity of filtering particle, reduces cost, on the other hand, the whole of wall portion are enabled to Body hardness is reduced so that bag can shrink easily, be readily transported carrying.

As shown in Figure 1, Figure 2 and Figure 3, its be an embodiment filter bag 10, including：Retainer plate 100 and bag 200, it is described Bag 200 has opening, and the retainer plate 100 is fixedly connected on the edge of the opening of the bag 200, the retainer plate 100 middle part has hollow-core construction, the hollow-core construction and the open communication, and the bag 200 has wall portion 210, described Wall portion 210 includes multiple sub- bag portions 220 being sequentially connected, and each sub- sealing of bag portion 220 is set, and is internally formed accommodating sky Between, i.e. the sub- sealing of bag portion 220 sets and is internally formed accommodation space, each accommodation space in the sub- bag portion 220 It is mutually isolated, for example, the wall portion 210 forms multiple mutually isolated accommodation spaces, each accommodation space correspondence by sewing One sub- bag portion 220, and filtering particle 300, the width at the two ends of the sub- bag portion 220 have been filled with each accommodation space Width of the degree more than the middle part of the sub- bag portion 220.

For example, the retainer plate 100 is annular, for example, the retainer plate 100 is used for the opening for strutting bag 200, for example, respectively Sub- bag portion 220 is sequentially connected in a ring, for example, the material of the bag 200 is burlap, and for example, the material of the bag 200 is cotton Cloth, and for example, the material of the bag 200 is terylene needled felt cloth, and the terylene needled felt cloth is used in nonwoven needled technique profit It is staggered with fiber, space is distributed in inside uniform thin fiber cloth, has what twist yarn was produced with polyester staple fiber and terylene Nomex surface is hot rolled, singe the either post processing such as coating, therefore, the bag 200 that the terylene needled felt cloth is made Surfacing is smooth, it is not easy to adhered to by dust granules so that bag 200 has voidage big, and permeability is preferable, anti-chemistry The strong characteristic of stability, can be used in filtering the gas of normal temperature and the corrosive gas containing acid, be particularly suitable for use in drainage and filter The fluids such as oil, and terylene needled felt cloth just has good intensity, can be prevented effectively from rupture causes filtering particle 300 to expose.

Specifically, bag 200 is used for filtered fluid or gas, and specifically, the material of the bag 200 is more soft, holds Easily shrink so that opening closure, cause inconvenient for use, therefore, be connected circle 100 on the opening edge edge of bag 200 so that should Bag 200 is located at the position of opening in shape body is opened, and is easy to the use of filter bag 10.For example, the material of the retainer plate 100 is PP (Polypropylene, polypropylene), the retainer plate 100 that PP is made has larger intensity so as to the opening of bag 200 Support effect preferably, for example, the bag 200 sewing be fixed on retainer plate 100, for example, the bag 200 using sewing Mode be fixed on retainer plate 100, for example, the bag 200 seam put on the retainer plate 100, for example, the bag 200 close to aperture position edge seam put in one end of the retainer plate 100.In one example, retainer plate and bag are integrally set Put.

For example, the width at the two ends of the sub- bag portion is more than the width at the middle part of the sub- bag portion；For example, as shown in figure 1, The width of the sub- bag portion 220 is gradually reduced from two ends to middle part, for example, the width of the sub- bag portion 220 is from two ends to middle part Staged is gradually reduced.Specifically, the width at the two ends of sub- bag portion 220 is more than the width at the middle part of the sub- bag portion 220 so that Wall portion 210 has bigger width on two ends, can have bigger filter area so that filtering of the filter bag 10 at two ends It is better, the position especially in the one end of wall portion 210 away from retainer plate 100, that is, the bottom of filter bag 10, filter bag 10 Width is bigger, is conducive in increase filter area, and then make it that the integral filter of filter bag 10 is better.

In above-described embodiment, retainer plate 100 is used to fix bag 200 so that filter bag 10 can be fixed on filter, Filtering particle 300 in sub- bag portion 220 can increase the integral thickness of wall portion 210, can effectively obstruct solid particle, reduce bag The handling capacity of body 200, in addition, filtering particle 300 can adsorb more small powder and dust, and then causes filter bag 10 Integral filter is better, and wall portion 210 is set into many sub- bag portions 220, on the one hand reduces the quantity of filtering particle 300, Cost is reduced, on the other hand, enabling to the integral hardness of wall portion 210 reduces so that bag 200 can shrink easily, just Carried in transport.

In order to further improve the strainability of filter bag 10, in one embodiment, Fig. 1, each sub- bag are referred to Portion 220 includes the first sub- bag 221, the second sub- bag 223 of sub- bag 222 and the 3rd, the first sub- bag 221, the second sub- bag 222 It is linked in sequence with the described 3rd sub- bag 223, and the first sub- bag 221, the second sub- bag 222 and the 3rd sub- bag 223 Inside it is mutually isolated, for example, each sub- bag portion 220 forms multiple connections and internal mutually isolated first by sewing Sub- bag 221, the second sub- bag 223 of sub- bag 222 and the 3rd, for example, each sub- bag portion 220 forms mutually isolated by sewing First accommodating cavity, the second accommodating cavity and the 3rd accommodating cavity, the first accommodating cavity, the second accommodating cavity and the 3rd accommodating cavity correspond to the respectively One sub- bag 221, the second sub- bag 223 of sub- bag 222 and the 3rd.

For example, the accommodation space of the sub- bag portion belongs to the described first sub- bag, the second sub- bag and the 3rd sub- bag Each several part it is mutually isolated；And for example, the accommodation space of the sub- bag portion includes the accommodation space of the described first sub- bag, described second The accommodation space of the accommodation space of sub- bag and the 3rd sub- bag, and the accommodation space of the first sub- bag, the second sub- bag Accommodation space and the 3rd sub- bag accommodation space it is mutually isolated；For example, the first sub- bag 221, the second sub- bag 222 and the 3rd The sub- integrally connected of bag 223, the such as first sub- bag 221, the second sub- bag 223 of sub- bag 222 and the 3rd are mutually isolated by suture inside, For example, the inside of the first sub- bag 221, the second sub- bag 222 and the 3rd sub- bag 223 is mutually isolated and is formed respectively First accommodating cavity, the second accommodating cavity and the 3rd accommodating cavity, for example, the first sub- inside of bag 221 closing forms the first accommodating cavity, For example, the second sub- inside of bag 222 closing forms the second accommodating cavity, for example, the 3rd sub- inside of bag 223 closing forms the 3rd and housed Chamber, is set for example, the volume of the first accommodating cavity, the second accommodating cavity and the 3rd accommodating cavity is different, for example, the volume of the first accommodating cavity More than the volume of the second accommodating cavity, for example, for example, the volume of the 3rd accommodating cavity is more than the volume of the second accommodating cavity, for example, first Be filled with respectively in accommodating cavity, the second accommodating cavity and the 3rd accommodating cavity filtering particle 300, so, due to filter bag 10 by The wall portion 210 of the nearly bottom of bag 200 and the position of sack has bigger accommodation space so that inside can be filled more Filter particle 300, and then cause filter bag 10 the bottom of bag 200 and the position of sack filter effect more preferably, be particularly suitable for use in When bag 200 is placed vertically, when liquid is concentrated towards bottom, there is good filter effect to liquid.

In order to further improve the capacity of bag 200, and cause the filter effect of filter bag 10 more preferably, in one embodiment In, referring again to Fig. 1, the width of the first sub- bag 221 is more than the width of the described second sub- bag 222, for example, the described 3rd The width of sub- bag 223 is more than the width of the described second sub- bag 222, specifically, due to the first sub- 223 points of bag of sub- bag 221 and the 3rd It is not connected to the two ends of the second sub- bag 222, and the first sub- bag 221, the second sub- bag 223 of sub- bag 222 and the 3rd are along the vertical of bag 200 Set to connection, specifically, in each embodiment, the longitudinal direction of bag 200 is the direction of the radial direction perpendicular to retainer plate 100, or Person is the axial direction of retainer plate 100, so, and the width at the two ends of bag 200 is larger, for example, the bag 200 is close to the opening The width of position be more than the width at the middle part of the bag 200, for example, the width of the one end of the bag 200 away from the opening Degree is more than the width at the middle part of bag 200, so so that from the inside of retainer plate 100, the liquid Jing Guo opening can quickly enter Enter into bag 200, and be efficiently filtered through from the bottom of bag 200, on the one hand, be conducive to improving the capacity of bag 200, Enable bag 200 to improve filtration yield, on the other hand then effectively improve filter efficiency.

In order that wall portion 210 can equably filtered fluid, in one embodiment, refer to Fig. 3, the sub- bag portion 220 have circular cross-section, for example, the lateral cross section of sub- bag portion 220 is circle, for example, sub- bag portion 220 is parallel to retainer plate Section in the plane of 100 radial direction is circle, it should be understood that liquid or gas have a fluid behaviour, and liquid is from wall Wall portion 210 is penetrated into inner side in portion 210, and oozes out into the outside of bag 200 from wall portion 210, the infiltration direction of liquid be it is uncertain, It is random in other words, so, in order that obtaining liquid after all directions infiltration, more equably it can be oozed out from wall portion 210, because This, in the present embodiment, the lateral cross section of sub- bag portion 220 is circle so that penetrated into from the inner surface of wall portion 210, and from wall portion 210 Outer surface ooze out so that liquid oozes out the wall portion 210 that can be transferred through more with thickness from all directions so that Liquid can be filtered equably, and then cause filter bag 10 to the filter effect of liquid more preferably.

It can be fixed in order that obtaining the retainer plate 100, and make it that the structure of retainer plate 100 is more firm, in a reality Apply in example, as shown in Fig. 2 along the circumferential direction projection is provided with stage portion 120 to the retainer plate 100, for example, the stage portion 120 have step surface, and the step surface is towards the bag 200, for example, the retainer plate 100 includes circle body 110 and stage portion 120, the circle body 110 and the integrally connected of stage portion 120, and the thickness of the stage portion 120 is more than the thickness of the circle body 110 Degree, the stage portion 120 make it that the thickness of retainer plate 100 is bigger, can effectively improve the intensity of retainer plate 100 so that retainer plate 100 structure is more firm, in addition, the step surface of the stage portion 120 is used to be connected to filter so that the retainer plate 100 It can be fixed.

It is noted that the volume of single filtering particle 300 is unsuitable too small, if too small easily out of bag 200 Spill, and absorption affinity declines, and the volume of single filtering particle 300 is also unsuitable excessive, if too big, causes filtering particle 300 total surface area is smaller, and adsorption efficiency is low, therefore, in order that the adsorption capacity that must filter particle 300 is preferable, and inhales Attached improved efficiency, in one embodiment, the mesh number of the filtering particle 300 is the mesh of 20 mesh~50, for example, the filtering particle 300 mesh number is the mesh of 20 mesh~40, for example, the mesh number of the filtering particle 300 is the mesh of 20 mesh~30.In the present embodiment, filtering The mesh number of particle 300 is 20 mesh to 30 mesh, can be prevented effectively from and be spilt from the gap of bag 200, and causes filtering particle 300 Absorption affinity preferably, on the other hand, then cause filtering particle 300 total surface area it is larger, it is possible to increase filtering particle 300 it is total Body adsorption capacity and adsorption efficiency so that the integral filter of filter bag 10 is better.

In order that filter bag filter effect more preferably, for example, it is described filtering particle be activated carbon granule, activated carbon have compared with Good absorption property, can the less dust of adsorption volume and particle well, and then cause the integral filter effect of filter bag compared with It is good.To improve the adsorption capacity that particle is filtered in filter bag, further such that the filter effect of filter bag 10 is more preferably, for example, described hold The first particle and the second particle are filled with being empty, first particle is activated carbon granule, and second particle is Activated alumina particle, activated alumina epigranular, surface is smooth, and mechanical strength is big, high adsorption capacity, after water suction it is not swollen not Split and maintain the original state, nontoxic, odorless, water insoluble and ethanol can effectively adsorb fine particle, and then cause the filtering of filter bag 10 It is better.

Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited In contradiction, the scope of this specification record is all considered to be.

Embodiment described above only expresses several embodiments of the present utility model, and it describes more specific and detailed, But therefore it can not be interpreted as the limitation to utility model patent scope.It should be pointed out that for the common skill of this area For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to Protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.

Claims (10)

1. a kind of filter bag, it is characterised in that including：Retainer plate and bag, the bag have opening, and the retainer plate, which is fixed, to be connected Be connected to the edge of the opening of the bag, the middle part of the retainer plate has a hollow-core construction, the hollow-core construction with it is described Open communication, the bag has wall portion, and the wall portion includes multiple sub- bag portions being sequentially connected, each sub- bag portion sealing Set and be internally formed accommodation space at it, each accommodation space is mutually isolated, and filling is set in each accommodation space Filtering particle is equipped with, the width at the two ends of the sub- bag portion is more than the width at the middle part of the sub- bag portion.

2. filter bag according to claim 1, it is characterised in that each sub- bag portion includes the first sub- bag, the second sub- bag With the 3rd sub- bag, the first sub- bag, the second sub- bag and the 3rd sub- bag are linked in sequence, and the first sub- bag, institute The inside for stating the second sub- bag and the 3rd sub- bag is mutually isolated.

3. filter bag according to claim 2, it is characterised in that the width of the first sub- bag is more than the described second sub- bag Width.

4. filter bag according to claim 2, it is characterised in that the width of the 3rd sub- bag is more than the described second sub- bag Width.

5. filter bag according to claim 1, it is characterised in that the sub- bag portion has circular cross-section.

6. filter bag according to claim 1, it is characterised in that along the circumferential direction projection is provided with step to the retainer plate Portion.

7. filter bag according to claim 6, it is characterised in that the stage portion has step surface, the step surface direction The bag.

8. filter bag according to claim 1, it is characterised in that the mesh number of the filtering particle is the mesh of 20 mesh~50.

9. filter bag according to claim 8, it is characterised in that the mesh number of the filtering particle is the mesh of 20 mesh~40.

10. filter bag according to claim 9, it is characterised in that the mesh number of the filtering particle is the mesh of 20 mesh~30.