CN212662967U

CN212662967U - Pulse back-blowing dust remover with uniform air flow distribution

Info

Publication number: CN212662967U
Application number: CN202021173315.3U
Authority: CN
Inventors: 杨军法
Original assignee: Ningbo Boside Environmental Protection Technology Co ltd
Current assignee: Ningbo Boside Environmental Protection Technology Co ltd
Priority date: 2020-06-22
Filing date: 2020-06-22
Publication date: 2021-03-09
Anticipated expiration: 2030-06-22

Abstract

The utility model provides an even pulse blowback dust remover of air current distribution belongs to dust remover technical field. The pulse back-blowing dust remover with uniform airflow distribution comprises a dust remover support frame and a dust remover component. The dust remover subassembly includes shell spare, prefilter piece, air current guide piece and filter bag spare and pulse blowback spare, and shell spare includes shell and dirty air inlet channel, and on the shell was connected to the dust remover support frame, dirty air inlet channel communicated to the shell lower part, the air current guide piece included annular drainage passageway and connecting rod and annular deep bead, and annular drainage passageway communicates in dirty air inlet channel, and the air inlet inclined hole has been seted up to annular drainage passageway upper portion equidistance. The utility model discloses during the use, the dust remover subassembly can utilize the air current guide piece to evenly cause dusty gas inside the shell, evenly guides the dust to all filter bag layer outer wall upper portions, utilizes the arc pipeline to adopt the strong blow-off of even air current with the absorbent dust in all filter bag layer outer wall upper portions.

Description

Pulse back-blowing dust remover with uniform air flow distribution

Technical Field

The utility model relates to a dust remover field particularly, relates to an even pulse blowback dust remover of air current distribution.

Background

The pulse back-blowing dust remover is that when the filter bag purifies the dust removal, utilize the pulse injection system to clear away the dust of filter bag outer wall accumulation, the wind-force that often lies in the filter bag upper portion and feel is stronger than its lower part or bottom at the pulse injection system in-process of blowing, but the dust remover that adopts among the prior art lacks the structure that can evenly guide the dusty air current to all filter bag upper portions, make the more attached to of dust in the dusty gas be close to the filter bag outer wall lower part of import easily, thereby make the filter bag be difficult to carry out better dust separation.

SUMMERY OF THE UTILITY MODEL

In order to compensate the above deficiency, the utility model provides an even pulse blowback dust remover of air current distribution aims at improving current dust remover and lacks the problem that can evenly guide the dusty air current to all filter bag upper portions.

The utility model discloses a realize like this:

the utility model provides an even pulse blowback dust remover of air current distribution, including dust remover support frame and dust remover subassembly.

The dust collector assembly comprises a shell member, a pre-filtering member, an airflow guide member, a filter bag member and a pulse back-blowing member, wherein the shell member comprises a shell and a dirty air inlet channel, the shell is connected to the dust collector support frame, the dirty air inlet channel is communicated to the lower part of the shell, the airflow guide member comprises an annular drainage channel, a connecting rod and an annular wind shield, the annular drainage channel is communicated with the dirty air inlet channel, the upper part of the annular drainage channel is provided with inclined air inlet holes at equal intervals, two ends of the connecting rod are respectively connected to the annular drainage channel and the annular wind shield, the annular drainage channel is positioned on the outer side of the annular wind shield, the filter bag member comprises a mounting plate, a filter bag layer and a semicircular frame, the semicircular frame is communicated to the mounting plate, and the filter bag layer, every the filter bag layer all sets up towards annular deep bead, pulse blowback spare is including blowing spray tube and pulse valve and shunt tubes, blow the spray tube with shell top intercommunication, shunt tubes quantity with the filter bag layer quantity is the same and all is equipped with a plurality of.

The utility model discloses an in the embodiment, shell upper portion intercommunication has clean air escape way, the last draught fan of installing of clean air escape way.

The utility model discloses an in the embodiment, the shell bottom is connected with the dust and collects the fill, the discharge valve is installed to dust collection fill bottom.

In an embodiment of the present invention, the pre-filter includes a fixing sleeve and an activated carbon filter net, the fixing sleeve is connected to the inner wall of the dirty air inlet passage.

In an embodiment of the present invention, the number of the activated carbon filter screens is two, two the activated carbon filter screens are respectively connected to the inner wall of the fixing sleeve.

In an embodiment of the present invention, the inner walls of the dirty air inlet channel and the annular drainage channel are both adhered with silica gel pads.

The utility model discloses an in one embodiment, all shunt tubes bottom still all communicates there is the arc pipeline, arc blowing groove has still all been seted up on arc pipeline upper portion, all arc blowing groove blowing direction is towards corresponding respectively filter bag layer inner wall.

In an embodiment of the present invention, the semicircular frame is provided as a plurality of, all of the semicircular frame is integrally arranged in a circular shape, and all of the opposite sides of the semicircular frame are provided with a solid plate.

In an embodiment of the present invention, all of the outside of the semicircular frame is an open setting, and all of the filter layer is connected to the open portion of the semicircular frame.

In an embodiment of the present invention, the pulse valve is installed on the blowing pipe, and the pulse valve is located at the upper portion outside the housing.

The utility model has the advantages that: the utility model discloses a pulse blowback dust remover that air current distributes evenly that obtains through above-mentioned design, during the use, dust-laden gas after the prefiltering can enter into annular drainage passageway, utilize a plurality of air inlet inclined holes that set up on the annular drainage passageway to introduce the dust-laden gas dispersion inside the shell, the even dust-laden gas of dispersion is through the blockking of annular deep bead, part heavier dust can fall into the dust collection fill downwards, lighter dust then continues to rise along annular deep bead, rise to annular deep bead top and adsorb to corresponding filter bag layer outer wall upper portion, and clean air can pass through filter bag layer outer wall upper portion and discharge from clean air discharge passageway, set up like this and changed the easy shortcoming of adsorbing in the filter bag layer bottom that is nearer apart from the dust entry of dust originally, make the dust adsorbed the distribution more even, and more the distribution is on filter bag layer outer wall upper portion, the air blowing pipes are distributed at positions close to the arc-shaped air blowing grooves, the air blowing pipes are vertically arranged to uniformly introduce air flow into the corresponding flow dividing pipes and the corresponding arc-shaped pipelines, and the air can be blown to the upper part of the inner wall of the filter bag layer in a targeted manner by utilizing the arc-shaped air blowing grooves, so that the dust adsorbed on the upper part of the outer wall of the filter bag layer is separated powerfully, and the separation and dust removal effect is stronger.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic structural view of a pulse reverse-blowing dust collector with uniform airflow distribution according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a housing part according to an embodiment of the present invention;

fig. 3 is a schematic view of a connection between a dirty air inlet channel and a pre-filter according to an embodiment of the present invention;

fig. 4 is a schematic structural view of an airflow guide according to an embodiment of the present invention;

fig. 5 is a schematic cross-sectional view taken along a-a in fig. 4 according to an embodiment of the present invention;

FIG. 6 is a schematic diagram of an external side view of an individual filter bag member according to an embodiment of the present invention;

FIG. 7 is a schematic structural view of a pulse back-blowing member according to an embodiment of the present invention;

FIG. 8 is a schematic view of the connection between the lance and the manifold and the arcuate duct according to an embodiment of the present invention;

fig. 9 is a schematic structural diagram of a position relationship between the arc-shaped pipeline and the arc-shaped air blowing groove according to the embodiment of the present invention.

In the figure: 10-a dust remover support frame; 20-a dust collector assembly; 210-a housing piece; 211-a housing; 212-dirty air inlet channel; 213-clean air exhaust channel; 214-an induced draft fan; 215-dust collection hopper; 220-a pre-filter; 221-a fixation sleeve; 222-an active carbon filter screen; 230-an airflow guide; 231-an annular drainage channel; 232-connecting rod; 233-annular wind deflector; 234-air inlet inclined holes; 240-filter bag piece; 241-a mounting plate; 242-filter bag layer; 243-semicircular frame; 250-a pulse back-blowing piece; 251-a blow nozzle; 252-a pulse valve; 253-shunt tube; 254-an arc-shaped pipe; 255-arc-shaped air blowing groove.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are 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.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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 to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Examples

Referring to fig. 1, the present invention provides a pulse back-blowing dust collector with uniform airflow distribution, which includes a dust collector support frame 10 and a dust collector assembly 20.

The dust remover supporting frame 10 is used for stably supporting the dust remover component 20; the dust collector assembly 20 can utilize the airflow guide 230 to uniformly guide the dust-containing gas to the inside of the housing 211, and simultaneously uniformly guide the dust to the upper parts of the outer walls of all the filter bag layers 242, and guide the dust to the positions close to the arc-shaped pipelines 254, namely, the positions with stronger wind power, and the arc-shaped pipelines 254 in the pulse back-blowing piece 250 are utilized to strongly blow off the dust adsorbed on the upper parts of the outer walls of all the filter bag layers 242 by uniform airflow, so that the dust collection effect is better.

Referring to fig. 1 and 2, the dust collector assembly 20 includes a housing 210, a pre-filter 220, an airflow guide 230, a filter bag 240, and a pulse back-blowing member 250, the housing 210 includes a housing 211 and a dirty air inlet channel 212, the housing 211 is connected to the dust collector support frame 10, the dirty air inlet channel 212 is connected to the lower portion of the housing 211 through a flange, the longitudinal section of the clean air outlet channel 213 is rectangular, the upper portion of the housing 211 is communicated with the clean air outlet channel 213, the clean air outlet channel 213 is provided with an induced draft fan 214, the bottom of the housing 211 is connected with a dust collecting hopper 215, the dust collecting hopper 215 is connected with the bottom of the housing 211 through screws, so as to facilitate disassembly, reduce the probability of blockage at the outlet of the dust collecting hopper 215, increase the service life of the dust collector, and the bottom of the dust.

Referring to fig. 3, the pre-filter 220 includes a fixing sleeve 221 and two activated carbon filter screens 222, the fixing sleeve 221 is connected to the inner wall of the dirty air inlet channel 212, the two activated carbon filter screens 222 are respectively connected to the inner wall of the fixing sleeve 221, the fixing sleeve 221 and the activated carbon filter screens 222 are respectively connected to the inner wall of the dirty air inlet channel 212 and the inner wall of the fixing sleeve 221 by screwing threads, so that the pre-filter is convenient to detach and replace, and meanwhile, the activated carbon filter screens 222 can be used for increasing the purification effect of the dust collector with part of the toxic gas capable of being adsorbed.

Referring to fig. 4 and 5, the airflow guide 230 includes an annular flow guiding channel 231, a connecting rod 232 and an annular wind shield 233, the annular flow guiding channel 231 is communicated with the dirty air inlet channel 212, a longitudinal section of the annular flow guiding channel 231 is in a square tube shape, the annular flow guiding channel 231 and the dirty air inlet channel 212 can be fixed by using square flanges, inclined air inlet holes 234 are formed in the upper portion of the annular flow guiding channel 231 at equal intervals, the blowing directions of all the inclined air inlet holes 234 are right opposite to the annular wind shield 233, two ends of the connecting rod 232 are respectively connected to the annular flow guiding channel 231 and the annular wind shield 233, and the annular flow guiding channel 231 is located outside the annular wind shield 233. Silica gel pads are further adhered to the inner walls of the dirty air inlet channel 212 and the annular drainage channel 231, and the silica gel pads can play a drying role, so that the probability that moist dust is attached to the outer wall of the filter bag layer 242 is reduced.

Referring to fig. 6, the filter bag member 240 includes a mounting plate 241, filter bag layers 242 and a semicircular frame 243, the semicircular frame 243 is communicated to the mounting plate 241, the mounting plate 241 and the semicircular frame 243 are integrally formed, the filter bag layers 242 are connected to the outer side of the semicircular frame 243, the filter bag layers 242 and the semicircular frame 243 are fixed to the outer side of the semicircular frame 243 by using screws in an adhesive manner, each filter bag layer 242 is disposed toward the annular wind shield 233, so that dust in dust-containing gas can be conveniently introduced to the upper portion of the outer wall of all the filter bag layers 242, the semicircular frames 243 are disposed in a plurality of numbers, all the semicircular frames 243 are integrally arranged in a circular shape, opposite sides of all the semicircular frames 243 are disposed in a solid plate shape, the outer sides of all the semicircular frames 243 are disposed in an open manner, and.

Referring to fig. 7 to 9, the pulse back-blowing unit 250 includes a blowing nozzle 251, a pulse valve 252 and a bypass pipe 253, the blowing nozzle 251 is communicated with the top of the housing 211, the pulse valve 252 is installed on the blowing nozzle 251, the pulse valves 252 are positioned at the upper part outside the shell 211, the number of the shunt pipes 253 is the same as that of the filter bag layers 242, and a plurality of shunt pipes 253 are arranged, the bottom ends of all the shunt pipes 253 are communicated with arc-shaped pipelines 254, arc-shaped air blowing grooves 255 are also arranged at the upper parts of the arc-shaped pipelines 254, the air blowing directions of all the arc-shaped air blowing grooves 255 respectively face the inner walls of the corresponding filter bag layers 242, the air blowing pipes 251 are vertically arranged to uniformly introduce air flow into each shunt pipe 253 and each arc-shaped pipeline 254, and air can be blown to the upper parts of the inner walls of the filter bag layers 242 in, therefore, dust adsorbed on the upper part of the outer wall of the filter bag layer 242 is separated powerfully, and the separating and dedusting effect is stronger.

The working principle of the pulse back-blowing dust remover with uniform airflow distribution is as follows: when the dust collector is used, the induced draft fan 214 is started to drive dust-containing gas to flow to the dirty air inlet channel 212, part of toxic gas is adsorbed and filtered by the activated carbon filter screen 222, the dust removal burden of the subsequent filter bag layer 242 is reduced, the air purification effect of the dust collector is favorably improved, then the pre-filtered dust-containing gas can enter the annular drainage channel 231, the dust-containing gas is dispersedly introduced into the shell 211 by the air inlet inclined holes 234 arranged on the annular drainage channel 231, the uniformly dispersed dust-containing gas is blocked by the annular wind shield 233, part of heavier dust can fall into the dust collecting hopper 215 downwards, lighter dust can continuously rise along the annular wind shield 233, the lighter dust rises to the top end of the annular wind shield 233 and is adsorbed to the upper part of the outer wall of the corresponding filter bag layer 242, and clean air can pass through the filter bag layer 242 and is discharged from the clean air discharge channel 213, the blowing nozzle 251 is vertically arranged to uniformly introduce air flow into the corresponding shunt pipe 253 and the arc-shaped pipeline 254, and the air can be blown to the upper part of the inner wall of the filter bag layer 242 by utilizing the arc-shaped air blowing groove 255 in a more targeted manner, so that the dust adsorbed on the upper part of the outer wall of the filter bag layer 242 is separated strongly, and the separation and dust removal effects are stronger.

It should be noted that the specific model specifications of the induced draft fan 214, the pulse valve 252 and the activated carbon filter screen 222 need to be determined by type selection according to the actual specification of the device, and the specific type selection calculation method adopts the prior art in the field, so detailed description is omitted.

The power supply and the principle of the induced draft fan 214 and the pulsing valve 252 are clear to those skilled in the art and will not be described in detail here.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A pulse back-blowing dust remover with uniformly distributed air flow is characterized by comprising

Dust remover support frame (10):

the dust collector assembly (20), the dust collector assembly (20) comprises a housing member (210), a pre-filtering member (220), an air flow guide member (230), a filter bag member (240) and a pulse back-blowing member (250), the housing member (210) comprises a housing (211) and a dirty air inlet channel (212), the housing (211) is connected to the dust collector support frame (10), the dirty air inlet channel (212) is communicated to the lower part of the housing (211), the air flow guide member (230) comprises an annular drainage channel (231), a connecting rod (232) and an annular wind shield (233), the annular drainage channel (231) is communicated with the dirty air inlet channel (212), the upper part of the annular drainage channel (231) is equidistantly provided with air inlet inclined holes (234), and two ends of the connecting rod (232) are respectively connected to the annular drainage channel (231) and the annular wind shield (233), the annular drainage channel (231) is located on the outer side of the annular wind shield (233), the filter bag piece (240) comprises a mounting plate (241), filter bag layers (242) and a semicircular frame (243), the semicircular frame (243) is communicated to the mounting plate (241), the filter bag layers (242) are connected to the outer side of the semicircular frame (243), and each filter bag layer (242) is arranged towards the annular wind shield (233);

the pulse back-blowing piece (250) comprises a blowing nozzle (251), a pulse valve (252) and a plurality of shunt tubes (253), the blowing nozzle (251) is communicated with the top of the shell (211), and the shunt tubes (253) are the same in number as the filter bag layers (242) and are provided with a plurality of shunt tubes.

2. The pulse back-blowing dust collector with uniform air flow distribution as claimed in claim 1, wherein the upper part of the housing (211) is communicated with a clean air discharge passage (213), and an induced draft fan (214) is installed on the clean air discharge passage (213).

3. The pulse back-blowing dust remover with uniform air flow distribution as claimed in claim 1, characterized in that a dust collecting hopper (215) is connected to the bottom of the housing (211), and a discharge valve is installed at the bottom of the dust collecting hopper (215).

4. A pulse blow back dust collector with uniform air flow distribution according to claim 1, wherein said pre-filter (220) comprises a fixing sleeve (221) and an activated carbon filter screen (222), said fixing sleeve (221) being connected to the inner wall of said dirty air inlet channel (212).

5. The pulse back-blowing dust remover with uniform air flow distribution as claimed in claim 4, wherein said activated carbon filters (222) are provided in two, and two of said activated carbon filters (222) are respectively connected to the inner wall of said fixed sleeve (221).

6. The pulse back-blowing dust remover with uniform air flow distribution as claimed in claim 1, wherein silica gel pads are further adhered to the inner walls of the dirty air inlet channel (212) and the annular drainage channel (231).

7. The pulse back-blowing dust remover with uniform air flow distribution according to claim 1, wherein the bottom ends of all the shunt tubes (253) are further communicated with arc-shaped pipelines (254), the upper parts of the arc-shaped pipelines (254) are further provided with arc-shaped air blowing grooves (255), and the air blowing directions of all the arc-shaped air blowing grooves (255) respectively face the inner walls of the corresponding filter bag layers (242).

8. The pulse back-blowing dust remover with uniform air flow distribution as claimed in claim 1, wherein said semicircular frames (243) are provided in plurality, all of said semicircular frames (243) are arranged in a circular shape as a whole, and opposite sides of all of said semicircular frames (243) are provided in a solid plate shape.

9. A pulse back-blowing dust collector with uniform airflow distribution according to claim 1, wherein all the outside of the semicircular frame (243) is open, and all the filter bag layers (242) are connected to the open part of the semicircular frame (243).

10. A pulse back-blowing dust remover with uniform air flow distribution according to claim 1, characterized in that said pulse valve (252) is installed on said blowing nozzle (251), and said pulse valve (252) is located at the outer upper part of said housing (211).