CN210186647U - Mixed alkali-resistant tectorial membrane filter bag - Google Patents

Abstract

The utility model discloses a mix alkali-resistant tectorial membrane filter bag, including the filter bag main part, the inside of filter bag main part is provided with the retainer plate, and the rear end surface of retainer plate is close to the even fixed mounting of inboard department and has a plurality of branch, the outside of filter bag main part is provided with fixed the knot with the corresponding position of branch, and the top of filter bag main part is provided with the wire rope, fixedly connected with connecting rope between wire rope and the filter bag main part, the rear end surface of retainer plate is close to intermediate position fixed mounting and has a link, one side fixed surface that branch is close to the filter bag main part installs two buckles, and the buckle is close to one side surface of filter bag main part and has seted. The utility model discloses a be provided with a series of structures and make this device can prevent the condition that drops to appear between filter bag main part and the skeleton in the use, and can prevent to take place the condition of crooked fold between filter bag main part and the skeleton, improve its filter effect, optimize the use.

Description

Mixed alkali-resistant tectorial membrane filter bag

Technical Field

The utility model relates to a filter bag technical field specifically is a mix alkali-resistant tectorial membrane filter bag.

Background

The filter bag is a key part in the operation process of the bag type dust collector, and the cylindrical filter bag is usually vertically hung in the dust collector. In pulse and air box type pulse dust collector, dust is attached to the outer surface of the filter bag. When dusty gas passes through the dust remover, the dust is caught at the surface of filter bag, and inside clean gas passed through the filter material and gets into the filter bag, the inside skeleton of filter bag is used for supporting the filter bag, prevent that the filter bag from collapsing, it helps cleaing away and the redistribution of dirt cake simultaneously, aramid fiber/glass fiber mixes alkali-resistant tectorial membrane filter bag is used for filtering the gas that discharges in the lime kiln flue gas filtration field, but at present this filter bag alkali-resistant or high temperature resistance performance is not strong in filtering process, the problem of leakage appears in filtering process easily in the filter bag, and drop easily between filter bag and the skeleton, and take place the skew condition of both dislocation, reduce its performance.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mix alkali-resistant tectorial membrane filter bag to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a mix alkali-resistant tectorial membrane filter bag, includes the filter bag main part, the inside of filter bag main part is provided with the retainer plate, and the rear end surface of retainer plate is close to the even fixed mounting of inboard department and has a plurality of branch, the outside of filter bag main part is provided with fixed the knot with the corresponding position of branch, and the top of filter bag main part is provided with the wire rope, fixedly connected with connection rope between wire rope and the filter bag main part, the rear end surface of retainer plate is close to intermediate position fixed mounting and has a link, one side surface fixed mounting that branch is close to the filter bag main part has two buckles, and the buckle is close to one side surface of filter bag main part and has seted up the slot, one side surface fixed mounting that the fixed knot is close to the filter bag.

Through adopting above-mentioned technical scheme, can prevent to appear the condition that drops between filter bag main part and the skeleton, and can prevent to take place the condition of crooked fold between filter bag main part and the skeleton, improve its filter effect.

Preferably, the string is threaded through the ring and around the bottom of the retainer ring.

Through adopting above-mentioned technical scheme, the person of being convenient for fixes the filter bag main part on the skeleton.

Preferably, an elastic rubber pad is arranged between the fixing buckle and the buckle, and the size of the fixing buckle is larger than that of the buckle.

Through adopting above-mentioned technical scheme for the connection between fixed knot and the buckle is inseparabler.

Preferably, the buckles penetrate through the filter bag main body and are connected with the fixing buckles in a matched mode, and the buckles correspond to the fixing buckles one to one.

Through adopting above-mentioned technical scheme, increase the stability that the filter bag main part was fixed on the skeleton, prevent the condition that takes place to drop between the two.

Preferably, the supporting rod and the buckles are integrated components, and two buckles on two adjacent supporting rods are arranged in a staggered mode.

Through adopting above-mentioned technical scheme, increase the degree of consistency that the filter bag main part was fixed on the skeleton, prevent the condition of taking place crooked fold.

Preferably, the fixing buckles and the inserted rods are integrated components, and the fixing buckles are uniformly distributed on the outer surface of the filter bag main body.

Through adopting above-mentioned technical scheme, increase the degree of consistency that the filter bag main part was fixed on the skeleton, prevent the condition of taking place crooked fold.

Through adopting above-mentioned technical scheme, can effectively improve the ability of able to bear or endure damage at the acupuncture in-process, promote the intensity on base cloth layer greatly, effectively avoid the damage intensity of base cloth layer at the acupuncture in-process.

To sum up, the utility model discloses following beneficial effect has:

the framework composed of the fixed ring and the support rod is arranged inside the filter bag main body, the threading rope connected with the filter bag main body through the connecting rope is threaded on the hanging ring, the two ends of the stringing rope are tied together, the stringing rope is fixed on the hanging ring, the filter bag main body is convenient for a user to be fixed on the framework, and the falling-off condition between the two is prevented, then the inserted bar is aligned with the slot, the inserted bar is inserted into the slot, the fixing buckle is connected with the buckle together, so that the filter bag main body is positioned between the fixing buckle and the buckle, the filter bag main body is uniformly fixed on the support rod through the matching action of the plurality of groups of buckles and the fixing buckles, the filter bag main body is prevented from generating the condition of skew and folding outside the framework, the filtering effect is improved, the base cloth layer of the filter bag adopts 80 high-strength high-twist alkali-free glass fibers formed by twisting 160, the fineness of the alkali-free glass fibers is 5.5 mu m, and the damage resistance in the needling process can be effectively improved; the surface layer of the filter bag is composed of 30% of aramid fiber and 70% of glass fiber, wherein the fineness of the glass fiber is 5.5 mu m; the inner layer is composed of 20% of aramid fiber and 80% of glass fiber, so that the alkali resistance and strength of the surface layer are further improved; the filter bag has the advantages of high surface layer strength, strong wear resistance, high inner layer temperature resistance, strong alkali resistance and good corrosion resistance, greatly reduces the replacement frequency and saves the cost in the use process.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a view showing the hanging ring and the threading rope of the present invention;

FIG. 3 is a view showing the fixing buckle and the buckle of the present invention;

fig. 4 is a view showing the insertion rod and the insertion groove of the present invention.

In the figure: 1. a filter bag main body; 2. a stationary ring; 3. a strut; 4. a fixing buckle; 5. hanging a ring; 6. threading a rope; 7. connecting ropes; 8. buckling; 9. inserting a rod; 10. and (4) a slot.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides an embodiment: a mixed alkali-resistant film-coated filter bag comprises a filter bag main body 1, a fixed ring 2 is arranged in the filter bag main body 1, a plurality of support rods 3 are uniformly and fixedly arranged on the outer surface of the rear end of the fixed ring 2 close to the inner side, a framework formed by the fixed ring 2 and the support rods 3 is placed in the filter bag main body 1, a threading rope 6 is arranged above the filter bag main body 1, a connecting rope 7 is fixedly connected between the threading rope 6 and the filter bag main body 1, a hanging ring 5 is fixedly arranged on the outer surface of the rear end of the fixed ring 2 close to the middle position, a threading rope 6 connected with the filter bag main body 1 through the connecting rope 7 is threaded on the hanging ring 5, the two ends of the threading rope 6 are tied together, the threading rope 6 is fixed on the hanging ring 5, a user can fix the filter bag main body 1 on the framework conveniently, the falling-off condition between the two is prevented, two buckles 8 are fixedly, buckle 8 is close to one side surface of filter bag main part 1 and sets up slot 10, fixed knot 4 is close to one side surface fixed mounting inserted bar 9 of filter bag main part 1, inserted bar 9 can insert the inside of slot 10 and carry out the joint fixed, align inserted bar 9 with slot 10 after that, and insert inserted bar 9 in slot 10, the outside of filter bag main part 1 sets up fixed knot 4 with the corresponding position of branch 3, link together fixed knot 4 with buckle 8, make filter bag main part 1 be located between fixed knot 4 and buckle 8, cooperation through multiunit buckle 8 and fixed knot 4, fix on branch 3 filter bag main part 1 is even, prevent that filter bag main part 1 from taking place the condition of crooked fold in the outside of skeleton, improve its filter effect, improve the holistic condition of device, the optimization use.

Further, the stringing rope 6 penetrates through the hanging ring 5 and surrounds the bottom of the fixing ring 2 for one circle, so that a user can fix the filter bag body 1 on the framework conveniently.

Furthermore, an elastic rubber pad is arranged between the fixing buckle 4 and the buckle 8, and the size of the fixing buckle 4 is larger than that of the buckle 8, so that the fixing buckle and the buckle are connected more tightly.

Further, buckle 8 passes filter bag main part 1 and fixed 4 cooperatees of detaining to be connected, and buckle 8 and fixed 4 one-to-one of detaining increase the stability of filter bag main part 1 on the skeleton, prevent the condition that takes place to drop between the two.

Further, branch 3 and buckle 8 are the integration component, and two buckles 8 on two adjacent branches 3 are the staggered placement, increase the degree of consistency that filter bag main part 1 was fixed on the skeleton, prevent the condition of taking place crooked fold.

Further, the fixing buckles 4 and the inserting rods 9 are integrated components, the fixing buckles 4 are uniformly distributed on the outer surface of the filter bag main body 1, and a user can conveniently connect the fixing buckles 4 with the buckles 8 through the inserting rods 9, so that the filter bag main body 1 is fixed.

Further, the physical properties of the filter bag body 1 are as follows:

a. thickness: 2.50 plus or minus 0.25 mm;

b. mass per unit area: 900 +/-40 g/m 2;

c. breaking strength: the warp direction is more than or equal to 1500N/5 cm; the weft direction is more than or equal to 1800N/5 cm;

d. elongation at break: the warp direction is less than or equal to 5 percent; the weft direction is less than or equal to 10 percent;

e. air permeability: 60 +/-6 mm/s;

f. breaking strength retention after alkali treatment: more than or equal to 95 percent;

g. average pore diameter: less than or equal to 20 mu m;

h. dynamic dust removal efficiency: not less than 99.5%;

i. static dust removal efficiency: not less than 99.9%;

the base cloth layer of the filter bag main body 1 is made of 80 high-strength high-twist alkali-free glass fibers formed by twisting 160, the fineness of the alkali-free glass fibers is 5.5 micrometers, the surface layer of the filter bag main body 1 is made of 30% aramid fibers and 70% glass fibers, the fineness of the glass fibers is 5.5 micrometers, the inner layer of the filter bag main body 1 is made of 20% aramid fibers and 80% glass fibers, the damage resistance in the needling process can be effectively improved, the strength of the base cloth layer is greatly improved, and the damage strength of the base cloth layer in the needling process is effectively avoided.

It should be noted that, the utility model relates to a mixed alkali-resistant film-coated filter bag, when in use, firstly, the framework composed of a fixed ring 2 and a support rod 3 is placed inside the filter bag main body 1, a threading rope 6 connected with the filter bag main body 1 through a connecting rope 7 is threaded on a hanging ring 5, the two ends of the threading rope 6 are tied together, the threading rope 6 is fixed on the hanging ring 5, a user can fix the filter bag main body 1 on the framework conveniently, and the falling-off between the filter bag main body and the framework is prevented, then an inserted bar 9 is aligned with an inserted slot 10, the inserted bar 9 is inserted into the inserted slot 10, a fixed buckle 4 is connected with a buckle 8, the filter bag main body 1 is positioned between the fixed buckle 4 and the buckle 8, the filter bag main body 1 is uniformly fixed on the support rod 3 through the cooperation of a plurality of groups of buckles 8 and the fixed buckle 4, the filter bag main body 1 is prevented from generating the deflection, improve its filter effect, effectively increase its self functionality, comparatively practical.

The product is formed by compounding a high-strength high-twist alkali-free glass fiber fabric serving as a middle-layer base fabric and a glass fiber/aramid fiber (70/30) mixed fiber net treated by polytetrafluoroethylene emulsion serving as a surface layer and a glass fiber/aramid fiber (82/20) mixed fiber net serving as a bottom layer through needling, and has the characteristics of high surface layer strength, good wear resistance, good bottom layer temperature resistance and corrosion resistance and the like, the base fabric layer of the filter bag main body 1 adopts 80 high-strength high-twist alkali-free glass fibers formed by 160 twists, the fineness of the alkali-free glass fibers is 5.5 mu m, and the damage resistance in the needling process can be effectively improved; the surface layer of the filter bag main body 1 is composed of 30% of aramid fiber and 70% of glass fiber, wherein the fineness of the glass fiber is 5.5 mu m; the inner layer is composed of 20% of aramid fiber and 80% of glass fiber, so that the alkali resistance and strength of the surface layer are further improved; and finally, coating a film on the surface layer to enhance the wear resistance of the filter bag, wherein the surface layer of the filter bag produced by the structural design has high strength, strong wear resistance, high temperature resistance of the inner layer, strong alkali resistance and good corrosion resistance, the replacement frequency is greatly reduced in the use process, the cost is saved, the surface layer of the mixed alkali-resistant film-coated filter bag is made of aramid fibers and glass fibers according to the proportion of 3:7, the inner layer is made according to the proportion of 2:8, the high-temperature resistance, alkali resistance, corrosion resistance and the like of the surface layer can be effectively improved, the aramid fiber/glass fiber mixed alkali-resistant film-coated filter bag adopts a high-speed needling machine with a double-shaft structure to change needling arrangement in the needling process, the uniformity problem in the process of carding and forming ultra-long short fibers is effectively changed, and the flaws on the surface of a.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The utility model provides a mix alkali-resistant tectorial membrane filter bag, includes filter bag main part (1), its characterized in that: the filter bag is characterized in that a fixing ring (2) is arranged inside the filter bag main body (1), a plurality of support rods (3) are uniformly and fixedly installed at the positions, close to the inner side, of the outer surface of the rear end of the fixing ring (2), a fixing buckle (4) is arranged at the position, corresponding to the support rods (3), of the outer portion of the filter bag main body (1), a threading rope (6) is arranged above the filter bag main body (1), a connecting rope (7) is fixedly connected between the threading rope (6) and the filter bag main body (1), a hanging ring (5) is fixedly installed at the position, close to the middle position, of the outer surface of the rear end of the fixing ring (2), two buckles (8) are fixedly installed on the outer surface of one side, close to the filter bag main body (1), of one support rod (3), a slot (10) is formed in the outer surface of one side, close to the filter bag main body, and the insertion rod (9) can be inserted into the slot (10) for clamping and fixing.

2. The mixed alkali-resistant filter bag of claim 1, wherein: the threading rope (6) penetrates through the hanging ring (5) and surrounds the bottom of the fixing ring (2) for a circle.

3. The mixed alkali-resistant filter bag of claim 1, wherein: an elastic rubber pad is arranged between the fixing buckle (4) and the buckle (8), and the size of the fixing buckle (4) is larger than that of the buckle (8).

4. The mixed alkali-resistant filter bag of claim 1, wherein: the buckles (8) penetrate through the filter bag main body (1) and are connected with the fixing buckles (4) in a matched mode, and the buckles (8) correspond to the fixing buckles (4) one to one.

5. The mixed alkali-resistant filter bag of claim 1, wherein: the support rod (3) and the buckles (8) are integrated components, and two adjacent buckles (8) on the support rod (3) are arranged in a staggered mode.

6. The mixed alkali-resistant filter bag of claim 1, wherein: the fixing buckles (4) and the inserted rods (9) are integrated components, and the fixing buckles (4) are uniformly distributed on the outer surface of the filter bag main body (1).

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