CN114962347A - Air blower noise reduction device for aluminum ingot production workshop - Google Patents
Air blower noise reduction device for aluminum ingot production workshop Download PDFInfo
- Publication number
- CN114962347A CN114962347A CN202210764707.4A CN202210764707A CN114962347A CN 114962347 A CN114962347 A CN 114962347A CN 202210764707 A CN202210764707 A CN 202210764707A CN 114962347 A CN114962347 A CN 114962347A
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- China
- Prior art keywords
- shell
- wall
- scraping
- wind shielding
- clamping cavity
- Prior art date
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 18
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 18
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
- 238000007790 scraping Methods 0.000 claims abstract description 62
- 238000004140 cleaning Methods 0.000 claims abstract description 27
- 230000001680 brushing effect Effects 0.000 claims abstract description 4
- 239000000428 dust Substances 0.000 claims description 45
- 230000003584 silencer Effects 0.000 claims description 19
- 210000004907 gland Anatomy 0.000 claims description 14
- 238000007599 discharging Methods 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 claims description 2
- 239000004411 aluminium Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 10
- 230000030279 gene silencing Effects 0.000 description 16
- 238000005192 partition Methods 0.000 description 8
- 230000001603 reducing effect Effects 0.000 description 8
- 238000003825 pressing Methods 0.000 description 6
- 238000001914 filtration Methods 0.000 description 3
- 230000003111 delayed effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 241000883990 Flabellum Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/663—Sound attenuation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
- F04D29/703—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps specially for fans, e.g. fan guards
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention provides a blower noise reduction device for an aluminum ingot production workshop, which comprises a shell, a rotating shaft and a cleaning frame, wherein the inner wall of the shell is provided with a plurality of wind shielding members, the wind shielding members are of horn-shaped structures, one end with a smaller opening is positioned at one side of an air outlet of the noise reduction device, and the wind shielding members are uniformly arranged at intervals along the axial direction of the shell to form a flow-limiting air passage; the rotating shaft is rotatably erected in the shell, one end of the rotating shaft, which is close to the air inlet, is provided with fan blades, the cleaning frame is erected on the rotating shaft, the cleaning frame corresponds to the position of the wind shielding piece, and the wall surface of the wind shielding piece, which is close to the axis of the shell, is cleaned by scraping and brushing; a clamping cavity is arranged inside the side wall of the shell; a first ash discharge port is formed in the top of the joint of the wind shielding piece and the inner wall of the shell and communicated with the clamping cavity; it can install additional in the air outlet department of air-blower, plays the effect of amortization noise reduction, still can utilize the wind-force of air-blower to clear up amortization part inside, maintains and lasts effectual amortization noise reduction function.
Description
Technical Field
The invention relates to the field of fan silencing, in particular to a silencing and noise-reducing device for a blower used in an aluminum ingot production workshop.
Background
In an aluminum ingot processing and producing workshop, an air blower is needed to be used as a power part for pumping, gas is pumped quickly, and because the air blower blows out quick airflow when in use, larger noise is formed at an air outlet, so that the normal work of workshop personnel is influenced;
in order to reduce the noise of the blower, a silencer is generally arranged at an air inlet, the interior of the traditional silencer adopts soft fillers to achieve the sound absorption effect, the isolating layer adopts a porous plate for supporting, and a large amount of noise is absorbed by the soft fillers in the isolating layer when the gas passes through the silencer, so that the purpose of reducing the noise is achieved;
however, when the air blower is applied to equipment which needs to discharge dust outside, a large number of dust particles are mixed in the air flow, the traditional filling type silencer is obviously not suitable, the dust is easy to adhere to the inside of the silencer, the normal silencing and noise reducing effects are affected, workers need to clean the silencer frequently, and the operation is troublesome; moreover, different installation conditions of actual equipment are adopted, the silencer can be located above an air outlet of the air blower, especially under the condition that the silencer is inconvenient to clean, dust agglomerates accumulated in the silencer can fall back into the air blower, normal use of the air blower is affected, and even damage to the air blower can be caused, so that improvement is needed.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to solve the technical problem of providing a silencing and noise reducing device for an air blower used in an aluminum ingot production workshop, which can be additionally arranged at an air outlet of the air blower to achieve the silencing and noise reducing effects, and can also utilize the wind power of the air blower to clean the interior of a silencing part so as to maintain the continuous and effective silencing and noise reducing functions.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides a blower noise reduction device for an aluminum ingot production workshop, which comprises a silencer, wherein the silencer comprises a shell, a rotating shaft and a cleaning frame, a plurality of wind shielding members are arranged on the inner wall of the shell, the wind shielding members are of horn-shaped structures, one end with a smaller opening is positioned on one side of an air outlet of the silencer, the side wall of each wind shielding member is of an arc-shaped structure and protrudes towards one side of the axis direction, and the wind shielding members are uniformly arranged at intervals along the axis direction of the shell to form a flow-limiting air passage; the rotating shaft rotating frame is arranged in the shell, the axis of the rotating shaft is superposed with the axis of the shell, one end of the rotating shaft, which is close to the air inlet, is provided with the fan blades, the cleaning frames are fixedly arranged on the rotating shaft, the positions of the cleaning frames correspond to the positions of the wind shielding pieces, and the wall surface of the wind shielding pieces, which is close to the axis of the shell, is cleaned by scraping and brushing; a clamping cavity is arranged inside the side wall of the shell, the outer wall of the bottom of the clamping cavity is communicated with a discharge pipe, and a switch valve is arranged on the discharge pipe; the top position of the junction of the wind shielding piece and the inner wall of the shell is provided with a first ash discharging port which is communicated with the clamping cavity.
In a preferred technical scheme of the invention, the shell comprises two oppositely arranged shells, the shells are in an arc-shaped structure, and the two shells are oppositely arranged to form a cylindrical shell; the inner wall of the shell is provided with a plurality of baffles, and two corresponding baffles between the two shells are mutually abutted to form a horn-shaped wind shielding piece; each shell is provided with a clamping cavity, the clamping cavities between the two shells are mutually independent, and the bottom of the side wall of each clamping cavity is communicated with a discharge pipe; the top of the inner wall of the shell is fixedly provided with a first half ring, the bottom of the inner wall of the shell is fixedly provided with a second half ring, when the two shells are oppositely arranged, the two first half rings are mutually abutted to form a closed loop structure, and the two second half rings are mutually abutted to form a closed loop structure; the two first half rings are used for installing a first bracket, the two second half rings are used for installing a second bracket, and the rotating shaft penetrates between the first bracket and the second bracket through a bearing; the top of shell is equipped with the gland, and the gland supports to hold and installs the top surface at first semi-ring, and the diameter of gland and the internal diameter adaptation of shell are equipped with the blast pipe on the gland.
In a preferred technical scheme of the invention, the top surface of the second half ring is provided with a collecting groove, the collecting groove is arranged along the inner wall of the shell, the groove bottom of the collecting groove is arranged in a downward inclination manner towards one side far away from the axis of the shell, a second ash discharge port is arranged at the lower inclination position of the inner wall of the shell corresponding to the groove bottom of the collecting groove, and the second ash discharge port is communicated with the clamping cavity.
In a preferred technical scheme of the invention, the top of the clamping cavity is open, and the filter block is filled in the clamping cavity and the inner side of the top of the clamping cavity.
In a preferred technical scheme of the invention, the bottom of the clamping cavity is obliquely arranged and is obliquely and downwards inclined towards one side of the discharge pipe; the scraping block is arranged in the clamping cavity, the bottom of the scraping block is obliquely arranged and abuts against the bottom of the clamping cavity, the side wall of the scraping block is matched with the shape of the inner wall of the clamping cavity, and the cavity wall abutting against the clamping cavity rotates around the axis of the shell; and a magnet block is embedded on the wall surface of the scraping block far away from the axis of the shell.
In a preferred technical scheme of the invention, the cleaning frame comprises a sleeve and a frame rod fixedly arranged on the outer wall of the sleeve, wherein the end part of the frame rod is fixedly provided with a scraping piece which is in an arc-shaped strip structure and is arranged on the wall surface abutting against the wind shielding piece; the scraping piece comprises a scraping groove and a scraping plate, the scraping plate is fixedly arranged at the center of the bottom of the scraping groove, the top of the scraping plate protrudes out of the notch of the scraping groove, the top of the scraping plate abuts against the wall surface of the wind shielding piece to slide, and dust falling from the scraping brush enters the scraping groove and moves downwards along the scraping groove.
The invention has the beneficial effects that:
the invention provides a silencing and noise reducing device of an air blower for an aluminum ingot production workshop, which is novel in structure, wherein the silencing device comprises a shell, a plurality of wind shielding pieces are arranged in the shell, the wind shielding pieces are of horn-shaped structures, one end with a smaller opening is positioned at one side of a gas outlet of the silencing device, the wind shielding pieces are uniformly arranged at intervals along the axial direction of the shell to form a flow-limiting gas passage, the gas outlet of the air blower is limited, and the flow velocity of gas flow is limited and delayed, so that the silencing and noise reducing effects are achieved;
a rotating shaft is erected inside the shell, fan blades are arranged at the bottom of the rotating shaft, a plurality of cleaning frames are arranged on the rotating shaft, and air discharged by the air blower can drive the rotating shaft to rotate, so that the cleaning frames are driven to clean the wind shielding part, dust adhered to the wind shielding part can fall off, an effective noise reduction effect is maintained, and dust caking can be effectively prevented; the structure can reduce the frequency of manual operation and does not need to consume other energy sources;
the design of the clamping cavity and the first dust discharge port can be used for collecting and temporarily storing dust falling from the scraping brush, so that the subsequent uniform cleaning is convenient;
overall structure's design can install additional in the air outlet department of air-blower, plays the effect of making an uproar that falls in the amortization, and still usable air-blower's wind-force clears up amortization part inside, maintains and lasts effectual amortization function of making an uproar that falls.
Drawings
FIG. 1 is a schematic structural diagram of a blower noise reduction and noise reduction device for an aluminum ingot production plant according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of an internal structure of a blower noise reduction and noise reduction device for an aluminum ingot production plant provided in an embodiment of the present invention;
FIG. 3 is a schematic view of the internal structure of the housing provided in the embodiment of the present invention;
FIG. 4 is a top view of a housing provided in an example embodiment of the invention;
FIG. 5 is a schematic perspective view of a cleaning rack provided in an embodiment of the present invention;
FIG. 6 is an enlarged view of portion A of FIG. 5;
FIG. 7 is a schematic view of a blower noise reduction and noise reduction device for an aluminum ingot production plant according to an embodiment of the present invention;
FIG. 8 is a schematic view showing an internal structure of a dust filter provided in an embodiment of the present invention;
in the figure:
100. a silencer device; 110. a housing; 111. a clamp cavity; 112. a discharge pipe; 113. a first ash discharge port; 114. a housing; 115. a first half ring; 116. a second half ring; 117. collecting tank; 118. a second ash discharge port; 119. a ring; 120. a rotating shaft; 130. a cleaning frame; 131. a sleeve; 132. scraping the workpiece; 133. scraping the groove; 134. a squeegee; 140. a wind shielding member; 141. a baffle plate; 150. a fan blade; 160. a gland; 161. an exhaust pipe; 162. pressing a ring; 170. a filter block; 180. scraping the block; 181. a magnet block; 191. a first bracket; 192. a second bracket; 200. a dust filtration device; 210. a box body; 220. a box door; 230. a partition plate; 240. a filter bag; 250. a perspective window; 260. a baffle; 300. a bellows.
Detailed Description
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
As shown in fig. 1, the embodiment of the present invention discloses a silencing and noise reducing device for an air blower used in an aluminum ingot production workshop, including a silencing device 100, where the silencing device 100 includes a housing 110, a rotating shaft 120, and a cleaning frame 130, the inner wall of the housing 110 is provided with a plurality of wind shielding members 140, the wind shielding members 140 are in a horn-shaped structure, and one end with a smaller opening is located at one side of an air outlet of the silencing device 100, the side walls of the wind shielding members 140 are in an arc-shaped structure and are protruded toward one side in the axial direction, and the plurality of wind shielding members 140 are uniformly arranged at intervals along the axial direction of the housing 110 to form a flow-limiting air passage;
the rotating shaft 120 is rotatably erected in the shell 110, the axis of the rotating shaft coincides with the axis of the shell, one end of the rotating shaft 120 close to the air inlet is provided with the fan blade 150, the cleaning frame 130 is fixedly arranged on the rotating shaft 120, the cleaning frames 130 correspond to the wind shielding piece 140 in position, and the wall surface of the wind shielding piece 140 close to the axis of the shell is cleaned by scraping and brushing;
a clamping cavity 111 is formed in the side wall of the shell 110, the outer wall of the bottom of the clamping cavity 111 is communicated with a discharge pipe 112, and a switch valve is arranged on the discharge pipe; the top of the connection between the wind shield 140 and the inner wall of the housing 110 is provided with a first ash discharge port 113, and the first ash discharge port 113 is communicated with the clamping cavity 111.
The silencer comprises a shell, a plurality of wind shielding pieces are arranged inside the shell, the wind shielding pieces are of horn-shaped structures, one end with a smaller opening is positioned on one side of an air outlet of the silencer, the wind shielding pieces are uniformly arranged along the axis direction of the shell at intervals to form a flow-limiting air passage, the air outlet of the blower is limited, and the flow velocity of air flow is limited and delayed, so that the effects of noise reduction and noise reduction are achieved;
the rotating shaft is erected in the shell, the fan blades are arranged at the bottom of the rotating shaft, the rotating shaft is provided with a plurality of cleaning frames, and the air outlet of the air blower can drive the rotating shaft to rotate so as to drive the cleaning frames to clean the wind shielding part, so that dust adhered to the wind shielding part can fall off, the effective noise reduction effect is maintained, and the dust caking can be effectively prevented; the structure can reduce the frequency of manual operation and does not need to consume other energy sources;
the design of the clamping cavity and the first dust discharge port can be used for collecting dust falling from the scraping brush temporarily, so that the subsequent uniform cleaning is convenient;
overall structure's design can install additional in the air outlet department of air-blower, plays the effect of making an uproar that falls in the amortization, and still usable air-blower's wind-force clears up amortization part inside, maintains and lasts effectual amortization function of making an uproar that falls.
Further, the rotating shaft 120 is a hollow structure, so that the whole weight of the rotating shaft can be reduced, the rotating shaft can be conveniently rotated, and the wind shielding part can be effectively brushed and cleaned.
Further, the housing 110 includes two oppositely disposed housings 114, the housings are arc-shaped structures, the outer sides of two long sides of the housing 114 are both provided with extension plates, the two housings are fixedly connected through bolts penetrating the extension plates, and the two housings are oppositely disposed to form a cylindrical housing; a plurality of baffles 141 are arranged on the inner wall of the shell 114, and two corresponding baffles 141 between the two shells 114 are mutually abutted to form a horn-shaped wind shielding piece 140; each shell 114 is provided with a clamping cavity 111, the clamping cavities 111 between the two shells 114 are mutually independent, and the bottom of the side wall of each clamping cavity 111 is communicated with a discharge pipe 112; a first half ring 115 is fixedly arranged at the top of the inner wall of the shell 114, a second half ring 116 is fixedly arranged at the bottom of the inner wall of the shell 114, when the two shells are oppositely arranged, the two first half rings are mutually abutted to form a closed loop structure, and the two second half rings are mutually abutted to form a closed loop structure; the two first half rings 115 are used for installing the first bracket 191, the two second half rings 116 are used for installing the second bracket 192, and the rotating shaft 120 is arranged between the first bracket 191 and the second bracket 192 through a bearing; the top of the outer shell 110 is provided with a gland 160, the gland 160 is supported and installed on the top surface of the first semi-ring 115, the diameter of the gland 160 is matched with the inner diameter of the outer shell, and the gland 160 is provided with an exhaust pipe 161; above-mentioned structural design makes silencing device become assembled structure, makes things convenient for the processing production of each part, also can ensure that pivot, clean frame, flabellum can be smooth install in the inside of shell, carry out effectual amortization and fall and clean the processing.
Furthermore, the first ash discharge port 113 extends along the inner wall arc surface of the casing 114 and is in a long strip structure, and the two ends of the first ash discharge port and the two sides of the long edge of the casing are spaced, so that the ash discharge area is increased as much as possible, but the casing is required to be connected sufficiently, and the opening part is prevented from being easily broken or damaged.
Furthermore, a collecting groove 117 is formed in the top surface of the second half ring 116, the collecting groove 117 is arranged along the inner wall of the shell 114, the bottom of the collecting groove 117 is arranged in a downward inclined manner towards one side away from the axis of the shell 114, a second ash discharge port 118 is formed in the lower inclined position of the inner wall of the shell 114, which corresponds to the bottom of the collecting groove 117, and the second ash discharge port 118 is communicated with the clamping cavity 111; the second half ring is located below the lowest wind shielding part, and dust which is scraped, brushed, cleaned and separated by the cleaning frame on the wind shielding part falls into the collecting groove and enters the clamping cavity through the second dust discharging port so as to be uniformly treated.
Further, the arc length of the second dust discharge port 118 is consistent with the arc length of the first dust discharge port 113, so as to increase the dust discharge area as much as possible, but it is necessary to ensure that the shell itself has sufficient connection to prevent the opening portion from being easily broken or damaged.
Further, the top of the clamping cavity 111 is open, the filter block 170 is filled with the inner side of the top, and a certain air leakage effect is formed at the top of the clamping cavity due to the design of the filter frame, so that air flow is facilitated, and dust falling from the scraping brush can smoothly enter the clamping cavity along with air flow.
Furthermore, two inner walls of the top of the clamping cavity 111 are fixedly provided with supporting rings 119, a space is reserved between the two supporting rings, the edge of the gland 160 is provided with a pressing ring 162, the pressing ring 162 extends to the top of the clamping cavity 111 to shield the top of the clamping cavity 111, the pressing ring 162 is provided with an air leakage port, and the filter block is clamped between the pressing ring and the supporting rings, so that the filter block is convenient to disassemble and assemble for replacement, the filter block is prevented from being blocked by dust, and the normal ventilation and air leakage effects of the filter block are maintained; the filter block 170 is of a sponge structure, and can be deflated and prevent dust from being easily discharged to a certain extent.
Further, the bottom of the clamping cavity 111 is obliquely arranged and is obliquely and downwardly inclined towards one side of the discharge pipe 112; the scraping block 180 is arranged inside the clamping cavity 111, the bottom of the scraping block 180 is obliquely arranged and abuts against the bottom of the clamping cavity 111, the side wall of the scraping block 180 is matched with the shape of the inner wall of the clamping cavity 111, and the cavity wall abutting against the clamping cavity rotates around the axis of the shell; a magnet block 181 is embedded on the wall surface of the scraping block 180 far away from the axis of the shell 110; this structural design can conveniently arrange the dust of pressing from both sides the inside collection of chamber outward, and the outside magnet drive of its accessible scrapes the piece and removes to make the dust remove to discharge pipe department, and then realize the discharge of dust.
Furthermore, the bottom of the outer wall of the shell 110 is provided with a sinking groove, so that the outer wall of the clamping cavity is of a thin-wall structure, the height of the sinking groove is matched with the height of the magnet block, the adsorption effect between the external magnet and the internal magnet block can be enhanced, the scraping block is driven to effectively move, and the dust collected inside is conveniently discharged;
furthermore, a notch is formed in the supporting ring 119 for smoothly placing the scraping block, so that the installation is convenient.
Furthermore, two discharge pipes are arranged on one shell, the two discharge pipes are arranged close to two sides of the shell, the moving direction of the scraping block does not need to be limited, and dust can be pushed towards the discharge pipes from two sides, so that the dust is discharged.
Further, the cleaning frame 130 includes a sleeve 131, a frame bar fixedly disposed on an outer wall of the sleeve 131, a scraping member 132 fixedly disposed on an end of the frame bar, the scraping member 132 being an arc-shaped strip structure and disposed on a wall surface abutting against the wind shielding member 140; the scraping piece 132 comprises a scraping groove 133 and a scraping plate 134, the scraping plate 134 is fixedly arranged at the center of the bottom of the scraping groove 133, the top of the scraping plate 134 protrudes out of the notch of the scraping groove 133, the top of the scraping plate 134 abuts against the wall surface of the wind shielding piece 140 to slide, and dust falling from the scraping brush enters the scraping groove and moves downwards along the scraping groove; this structural design can accept and guide the dust that scrapes the brush and drop, makes the smooth piece position that keeps out the wind of the past below of dust remove to and guide the dust to the collecting vat in, effectively prevent to scrape the dust that drops at will.
Furthermore, threaded holes are formed in the side wall of the sleeve, the outer wall of the rotating shaft is correspondingly provided with the threaded holes, the sleeve is sleeved on the rotating shaft and fixedly connected through bolts, the cleaning frame is convenient to process and produce, and the cleaning frame is also convenient to disassemble and assemble.
In the actual use process, the exhaust pipe 161 needs to be externally connected with the dust filter 200, the bottom of the shell 110 is connected and communicated with the air outlet of the blower through the corrugated pipe 300, when the fan blades at the bottom need to be cleaned, the corrugated pipe can be removed, and the use and the operation are convenient;
the dust filtering device 200 comprises a box body 210 and a box door 220, wherein a partition plate 230 is arranged on an internal fixing frame of the box body 210, a sealing ring is arranged on the edge of the side wall of the partition plate and is abutted against the inner wall of the box body, and the box door is abutted against the sealing ring on the side wall of the partition plate when the box door is covered;
the partition 230 is provided with a plurality of perforations, and each perforation is provided with a filter bag 240; the air inlet of the dust filter is arranged at the bottom of the side wall of the box body and is positioned below the partition plate; the air outlet of the dust filter is arranged at the top of the box body and above the partition plate; the structural design can effectively enlarge the exhaust buffer area and further reduce the noise; moreover, a larger dust filtering area can be provided, dust entrained in the airflow is effectively filtered, and the dust is prevented from being discharged to the outside; the design of the box door can facilitate the maintenance, replacement and cleaning of the internal components of the box body.
Furthermore, a transparent window 250 is arranged on the box door 220, the top of the transparent window is higher than the position of the partition plate, and the bottom of the transparent window extends to the middle position of the filter bag, so that the dust collection condition of the filter bag inside can be conveniently checked, and the dust collection condition can be conveniently processed in time.
Further, the fixed guide plate 260 that is equipped with in bottom inside of box 220, the guide plate slope set up, and towards one side downward sloping of chamber door to the dust of separating removes towards the lower one side of slope, makes things convenient for follow-up clearance.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention. The present invention is not to be limited by the specific embodiments disclosed herein, and other embodiments that fall within the scope of the claims of the present application are intended to be within the scope of the present invention.
Claims (6)
1. The utility model provides an aluminium ingot workshop is with air-blower amortization noise reduction device which characterized in that:
the silencer comprises a silencer, wherein the silencer comprises a shell, a rotating shaft and a cleaning frame, a plurality of wind shielding pieces are arranged on the inner wall of the shell, the wind shielding pieces are of horn-shaped structures, one end with a smaller opening is positioned on one side of an air outlet of the silencer, the side walls of the wind shielding pieces are of arc-shaped structures and protrude towards one side in the axis direction, and the wind shielding pieces are uniformly arranged at intervals in the axis direction of the shell to form a flow-limiting air passage;
the rotating shaft rotating frame is arranged in the shell, the axis of the rotating shaft is overlapped with the axis of the shell, one end of the rotating shaft, which is close to the air inlet, is provided with fan blades, the cleaning frames are fixedly arranged on the rotating shaft, the positions of the cleaning frames correspond to the positions of the wind shielding pieces, and the wall surface of the wind shielding pieces, which is close to the axis of the shell, is cleaned by scraping and brushing;
a clamping cavity is arranged inside the side wall of the shell, the outer wall of the bottom of the clamping cavity is communicated with a discharge pipe, and a switch valve is arranged on the discharge pipe; the top position of the junction of the wind shielding piece and the inner wall of the shell is provided with a first ash discharging port which is communicated with the clamping cavity.
2. The aluminum ingot production workshop blower noise reduction device according to claim 1, which is characterized in that:
the shell comprises two oppositely arranged shells which are in an arc-shaped structure and are oppositely arranged to form a cylindrical shell;
the inner wall of the shell is provided with a plurality of baffles, and two corresponding baffles between the two shells are mutually abutted to form a horn-shaped wind shielding piece;
each shell is provided with a clamping cavity, the clamping cavities between the two shells are mutually independent, and the bottom of the side wall of each clamping cavity is communicated with a discharge pipe;
the top of the inner wall of the shell is fixedly provided with a first half ring, the bottom of the inner wall of the shell is fixedly provided with a second half ring, when the two shells are oppositely arranged, the two first half rings are mutually abutted to form a closed loop structure, and the two second half rings are mutually abutted to form a closed loop structure;
the two first half rings are used for installing a first bracket, the two second half rings are used for installing a second bracket, and the rotating shaft penetrates between the first bracket and the second bracket through a bearing;
the top of shell is equipped with the gland, and the gland supports to hold and installs the top surface at first semi-ring, and the diameter of gland and the internal diameter adaptation of shell are equipped with the blast pipe on the gland.
3. The aluminum ingot production workshop blower noise reduction device according to claim 2, characterized in that:
the top surface of the second semi-ring is provided with a collecting tank, the collecting tank is arranged along the inner wall of the shell, the tank bottom of the collecting tank is downwards inclined towards one side far away from the axis of the shell, a second ash discharge port is formed in the lower inclined position of the tank bottom of the inner wall of the shell corresponding to the collecting tank, and the second ash discharge port is communicated with the clamping cavity.
4. The aluminum ingot production workshop blower noise reduction device according to claim 1, which is characterized in that:
the top of the clamping cavity is open, and a filter block is filled in the clamping cavity and the inner side of the top.
5. The aluminum ingot production workshop blower noise reduction device according to claim 1, which is characterized in that:
the bottom of the clamping cavity is obliquely arranged and is obliquely and downwards inclined towards one side of the discharge pipe;
the scraping block is arranged in the clamping cavity, the bottom of the scraping block is obliquely arranged and abuts against the bottom of the clamping cavity, the side wall of the scraping block is matched with the shape of the inner wall of the clamping cavity, and the cavity wall abutting against the clamping cavity rotates around the axis of the shell;
and a magnet block is embedded on the wall surface of the scraping block far away from the axis of the shell.
6. The aluminum ingot production workshop blower noise reduction device according to claim 1, which is characterized in that:
the cleaning frame comprises a sleeve and a frame rod fixedly arranged on the outer wall of the sleeve, wherein the end part of the frame rod is fixedly provided with a scraping piece which is in an arc-shaped strip-shaped structure and is arranged on the wall surface abutting against the wind shielding piece;
the scraping piece comprises a scraping groove and a scraping plate, the scraping plate is fixedly arranged at the center of the bottom of the scraping groove, the top of the scraping plate protrudes out of the notch of the scraping groove, the top of the scraping plate abuts against the wall surface of the wind shielding piece to slide, and dust falling from the scraping brush enters the scraping groove and moves downwards along the scraping groove.
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| CN114962347B (en) | 2024-06-04 |
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