CN218306787U - Prevent electrostatic precipitator filter bag - Google Patents

Abstract

The utility model discloses an anti-static dust-removing filter bag, which comprises a bag body and an anti-static structure, wherein the bottom of the bag body is integrally formed with a bag bottom, and the anti-static structure is arranged in the bag body; the antistatic structure comprises polytetrafluoroethylene layers, wherein the tetrafluoroethylene layers are bonded on the front side wall and the rear side wall of the bag body, nylon layers are bonded between the tetrafluoroethylene layers, conductive fiber layers are inserted in the middle of the nylon layers, polyester layers are bonded outside the middle of the conductive fiber layers, polyester staple fiber layers are inserted in the left side and the right side of the polyester layers, and propylene layers are bonded outside the polyester staple fiber layers; the left side and the right side of the nylon layer are inserted in the bag body and provided with polyester filament layers, and the polyester filament layers and the polyester staple layers are made of the same material. This prevent electrostatic precipitator filter bag possesses and has antistatic structure at bag internally mounted, can reduce the static that produces when the bag internal filtration industrial gas through the material cooperation, and then reduce advantages such as possibility that the flash of fire accident takes place.

Description

Prevent electrostatic precipitator filter bag

Technical Field

The utility model relates to a filter bag technical field specifically is an prevent electrostatic precipitator filter bag.

Background

The anti-static dust-removing filter bag is made of anti-static polyester needled felt (conductive fiber yarn is merged into the warp yarns of base cloth for producing the needled felt or conductive materials such as conductive fiber and the like are mixed into chemical fiber), has excellent anti-static performance, is used for industries such as surface dust, chemical dust, coal dust and the like which have explosion possibility when meeting electrostatic discharge, and is the most ideal selection for the current anti-explosion dust collection.

Most of anti-static dust-removing filter bags on the market are used for removing dust from air in industrial gas in the production process of petrochemical enterprises, and flash accidents can be caused if static electricity is generated inside the dust-removing filter bags when the industrial gas is filtered.

SUMMERY OF THE UTILITY MODEL

The utility model provides a be not enough to prior art, the utility model provides a prevent electrostatic precipitator filter bag possesses and prevents the static structure at bag internally mounted, can reduce the static that produces when the internal filtration industrial gas of bag through the material cooperation, and then reduce advantages such as possibility that the flash fire occurence of failure, the prevent electrostatic precipitator filter bag on the market has been solved, most of applications are in removing dust to the air in the industrial gas in the petrochemical enterprise production process, and the inside problem that will cause the occurence of failure of flash fire so if inside production static when filtering industrial gas of dust removal filter bag.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an prevent electrostatic precipitator filter bag, includes the bag body and prevents the static structure, bag body bottom integrated into one piece has the bag end, prevent that the static structure all installs in the bag internally.

The antistatic structure comprises polytetrafluoroethylene layers, the tetrafluoroethylene layers are bonded to the front side wall and the rear side wall of the bag body, nylon layers are bonded between the tetrafluoroethylene layers, conductive fiber layers are connected in the middle of the nylon layers in an inserted mode, polyester layers are bonded outside the middle of the conductive fiber layers, polyester staple fiber layers are connected in the left side and the right side of the polyester layers in an inserted mode, and propylene layers are bonded outside the polyester staple fiber layers.

Further, a bag opening is integrally formed at the top of the bag body and is made into a circular shape.

Furthermore, a fixing ring is arranged inside the bag opening and is made of thin steel wires.

Furthermore, the left side and the right side of the nylon layer are inserted in the bag body and provided with polyester filament layers, and the polyester filament layers and the polyester staple layers are made of the same material.

Furthermore, the outer part of the polyester filament layer is sleeved with a breathable layer, and the number of the breathable layers on the polyester filament layer is three.

Further, the inside integrated into one piece of ventilative layer has the thin layer, the direction hole has been seted up to the inside thin layer, square downthehole bonding has the PTFE layer.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

1. this prevent electrostatic precipitator filter bag possesses and has the structure of preventing static at bag internally mounted, can reduce the static that produces when the bag internal filtration industrial gas through the material cooperation, and then reduce advantages such as possibility that the flash of fire accident takes place.

2. This prevent electrostatic precipitator filter bag possesses at bag body bottom integrated into one piece has the bag end can make the dust bag put more steadily subaerial time.

Drawings

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

FIG. 2 is a cross-sectional view of the bag shown in FIG. 1;

fig. 3 is a sectional view showing the structure of the air-permeable layer shown in fig. 2 according to the present invention.

In the figure: 1 sack, 2 bags of bodies, 3 bag bottoms, 4 polytetrafluoroethylene layers, 5 dacron filament layers, 6 ventilative layers, 7 nylon layers, 8 dacron short silk layers, 9 propylene layers, 10 conductive fiber layers, 11 polyester layers, 12PTFE layers, 13 thin layers.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

Referring to fig. 1-3, the electrostatic precipitator filter bag of the present embodiment includes a bag body 2 and an electrostatic precipitator structure, a bag bottom 3 is integrally formed at the bottom of the bag body 2, and the electrostatic precipitator structure is disposed in the bag body 2.

In this embodiment, 2 tops of the bag body are integrated into one piece and have sack 1, and sack 1 adopts circular shape to make, and the convenient connector of transmission industrial gas of connection of the circular design of sack 1.

In this embodiment, the inside retainer plate that has installed of sack 1, the retainer plate adopts thin steel wire to make, and the retainer plate is the prior art commonly used in the dirt bag, can open the design and be convenient for and be connected with the connector of transmission industry gas to the bag body 2.

Prevent static structure and include polytetrafluoroethylene layer 4, tetrafluoroethylene layer 4 all bonds in bag body 2's front and back both sides wall, and it has nylon layer 7 to bond between tetrafluoroethylene layer 4, and it has conductive fiber layer 10 to peg graft in the middle part of nylon layer 7, and conductive fiber layer 10 middle part outside bonds has polyester layer 11, and polyester layer 11 left and right sides all pegs graft has dacron short silk layer 8, and 8 outsides on dacron short silk layer all bond has propylene layer 9.

Wherein, the polytetrafluoroethylene layer 4 (PTFE), also called polytetrafluoroethylene dragon, becomes a strong microporous material after being stretched, the aperture is 0.1-2.0 μm, the porosity is more than 80%, and the material has good electrical insulation and surface smoothness.

The conductive fiber layer 10 has high strength, low oil absorption, high conductivity, small addition amount and low cost.

In this embodiment, the nylon 7 left and right sides is pegged graft and is had dacron filament layer 5 in bag body 2, and dacron filament layer 5 is the same with 8 materials on dacron short silk layer.

The main raw materials of the fiber filtering material are polyester layer 11, propylene layer 9, nylon layer 7 and other materials, and the fiber compounded by the materials has smooth surface, fine diameter, small filtering resistance and high filtering efficiency.

In this embodiment, the outer portion of the polyester filament layer 5 is sleeved with the air permeable layer 6, and the number of the air permeable layer 6 in a row on the polyester filament layer 5 is three.

The antistatic knitted fabric utilizes the series conductive fiber layers 10 and the special polyester filament layers 5 to be matched, static electricity can be eliminated, dust is not generated, and the characteristics of ventilation, warm keeping and comfortable hand feeling of the common knitted fabric are provided.

In this embodiment, the thin film layer 13 is integrally formed inside the breathable layer 6, the thin film layer 13 is provided with a directional hole inside, and the PTFE layer 12 is bonded in the square hole.

Wherein, the thin film layer 13 can cover polytetrafluoroethylene on the air-permeable layer 6. The filter material has the advantages of high filtering efficiency (the submicron dust filtering efficiency is above 9919%), low resistance (30-40% lower than that of the traditional filter material), long service life (2-5 times of that of the traditional filter material) and high dust stripping rate.

The working principle of the above embodiment is as follows:

when the bag body 2 removes dust and filters air in industrial gas, the polytetrafluoroethylene layer 4 becomes a strong microporous material through stretching at the moment, and has good electrical insulation and surface smoothness, and the nylon layer 7 positioned between the polytetrafluoroethylene layers 4 is used as one of the main raw materials of the fiber filtering material, and has smooth surface, thin diameter and small filtering resistance, so that the effect of high filtering efficiency is achieved, and the main raw materials of the fiber filtering material also comprise fibers compounded by the polyester layer 11, the propylene layer 9 and other materials, and are also used for the effects of smooth surface, thin diameter, small filtering resistance and high filtering efficiency, wherein the conductive fiber layers 10 at the top and the bottom of the polyester layer 11 have high strength, extremely low oil absorption, good conductive performance, small addition and low cost, and the polyester staple fiber layer 8 and the conductive fiber layer 10 inside the propylene layer 9 are matched with the special polyester filament layer 5, so that static electricity can be eliminated and no dust is generated, and the characteristics of common knitted breathable fabric, warm keeping and comfortable hand feeling are a new generation of antistatic fabric which meets the requirements of human health.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a prevent electrostatic precipitator filter bag, includes the bag body (2) and prevents static structure, its characterized in that: the bottom of the bag body (2) is integrally formed with a bag bottom (3), and the anti-static structures are all arranged in the bag body (2);

the anti-static structure comprises a polytetrafluoroethylene layer (4), wherein the tetrafluoroethylene layer (4) is bonded on the front side wall and the rear side wall of a bag body (2), a nylon layer (7) is bonded between the tetrafluoroethylene layer (4), a conductive fiber layer (10) is inserted in the middle of the nylon layer (7), a polyester layer (11) is bonded outside the middle of the conductive fiber layer (10), polyester staple fiber layers (8) are inserted on the left side and the right side of the polyester layer (11), and propylene layers (9) are bonded outside the polyester staple fiber layers (8).

2. The anti-static dust collection filter bag according to claim 1, wherein: the bag is characterized in that a bag opening (1) is integrally formed at the top of the bag body (2), and the bag opening (1) is made into a circular shape.

3. The antistatic dust collection filter bag according to claim 2, wherein: the bag opening (1) is internally provided with a fixing ring, and the fixing ring is made of thin steel wires.

4. The anti-static dust collection filter bag according to claim 1, wherein: the left side and the right side of the nylon layer (7) are inserted into the bag body (2) to form a polyester filament layer (5), and the polyester filament layer (5) and the polyester staple layer (8) are made of the same material.

5. The anti-static dust collection filter bag according to claim 4, wherein: the outer portion of the polyester filament layer (5) is sleeved with a breathable layer (6), and the breathable layer (6) is located on the polyester filament layer (5) in a row, and the number of the breathable layer is three.

6. The antistatic dust collection filter bag according to claim 5, wherein: the breathable film is characterized in that a film layer (13) is integrally formed inside the breathable layer (6), a square hole is formed inside the film layer (13), and a PTFE layer (12) is bonded in the square hole.

Images