CN112696388A - Centrifugal dust removal exhaust fan for industrial environmental protection - Google Patents

Centrifugal dust removal exhaust fan for industrial environmental protection Download PDF

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Publication number
CN112696388A
CN112696388A CN202011530699.4A CN202011530699A CN112696388A CN 112696388 A CN112696388 A CN 112696388A CN 202011530699 A CN202011530699 A CN 202011530699A CN 112696388 A CN112696388 A CN 112696388A
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CN
China
Prior art keywords
dust
adsorption roller
environmental protection
exhaust fan
fixedly connected
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202011530699.4A
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Chinese (zh)
Inventor
黄秀娟
李树文
胡宜
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Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN202011530699.4A priority Critical patent/CN112696388A/en
Publication of CN112696388A publication Critical patent/CN112696388A/en
Pending legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/70Suction grids; Strainers; Dust separation; Cleaning
    • F04D29/701Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
    • F04D29/703Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps specially for fans, e.g. fan guards
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03CMAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/28Plant or installations without electricity supply, e.g. using electrets
    • B03C3/30Plant or installations without electricity supply, e.g. using electrets in which electrostatic charge is generated by passage of the gases, i.e. tribo-electricity
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03CMAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/34Constructional details or accessories or operation thereof
    • B03C3/88Cleaning-out collected particles
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D17/00Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D17/08Centrifugal pumps
    • F04D17/16Centrifugal pumps for displacing without appreciable compression
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00Pumping installations or systems
    • F04D25/02Units comprising pumps and their driving means
    • F04D25/08Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/66Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/661Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
    • F04D29/668Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps damping or preventing mechanical vibrations

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The invention relates to the technical field of centrifugal fans, and discloses an industrial environment-friendly centrifugal dust removal exhaust fan which comprises a mounting bracket, wherein the left side and the right side of the mounting bracket are both fixedly connected with a volute, an impeller is arranged in the volute, an air inlet is formed in the center of the impeller, and blades are arranged at the edge of the impeller. This centrifugal dust removal exhaust fan is used in industry environmental protection, rotate the in-process through the adsorption roller and produce static with the friction of insulating roller, the surface of adsorption roller subsidiary electric charge rotates inside the exhaust duct, adsorb the dust in the air current, when it continues to rotate and the position of adsorbing the dust contacts with the metal shovel board, the electric charge of metal shovel board on to the adsorption roller is derived and is scraped the adsorption roller surface, then the dust leaves the adsorption roller surface and falls in the dust-collecting box of below under the effect of gravity, the dust suppressant adsorbs and reunites the dust, thereby accomplish the absorption and the collection to the dust, the effect that has satisfied industry environmental protection has been reached.

Description

Centrifugal dust removal exhaust fan for industrial environmental protection
Technical Field
The invention relates to the technical field of centrifugal fans, in particular to a centrifugal dust removal exhaust fan for industrial environmental protection.
Background
The centrifugal fan is a machine which increases the gas pressure and discharges gas by means of the input mechanical energy, and in the working process, airflow enters a blade space from the axial direction of the fan, then rotates along with an impeller under the driving of the impeller, and on the other hand, the energy is increased under the action of inertia, and leaves the impeller along the radius direction to do work by means of centrifugal force. The common centrifugal exhaust fan can only simply exhaust air, and when a vehicle with more dust is used, the exhaust fan exhausts the dust together with the air, so that the effect of replacing indoor air is achieved, but the exhausted dust can pollute the environment and does not accord with the industrial environment-friendly concept; in addition, the fan can produce great vibration at the during operation, and this not only can harm building structure, shortens life, and can produce certain noise, causes the interference to people's work.
Aiming at the defects of the prior art, the invention provides an industrial environment-friendly centrifugal dust removal exhaust fan, which has the advantages of automatic dust removal, safety, environmental protection, effective vibration reduction and noise reduction, and solves the problems that the common centrifugal exhaust fan cannot automatically remove dust and is not safe and environment-friendly enough.
Disclosure of Invention
Technical scheme (I)
In order to achieve the purposes of automatic dust removal, safety, environmental protection, effective vibration reduction and noise reduction, the invention provides the following technical scheme: the utility model provides an industrial environmental protection is with centrifugal dust removal exhaust fan, includes the installing support, the equal fixedly connected with spiral case in the left and right sides of installing support, the inside of spiral case is provided with the impeller, the center department of impeller has seted up the air inlet, the edge of impeller is provided with the blade, the one end fixedly connected with exhaust duct of installing support is kept away from to the spiral case, exhaust duct's lower extreme rotates and is connected with the absorption roller, the axle center department of absorption roller is provided with the drive wheel, one side lower extreme that the spiral case is close to the installing support articulates there is the guide arm, the lower extreme fixedly connected with mount table.
Preferably, there are two mounting tables, and fixedly connected with slide bar between them, two sliders are connected to the body of rod of slide bar in a sliding manner.
Preferably, a spiral spring is arranged between the two sliding blocks, and one end, far away from the volute, of the guide rod is rotatably connected with the sliding blocks.
Preferably, the lower end of the mounting table is fixedly connected with a push rod, the lower end of the push rod is sleeved with a barrel, a spring rod is arranged inside the barrel, and the upper end of the spring rod is fixedly connected with the push rod.
Preferably, the surface of the mounting table is fixedly connected with a conical plate, the upper end of the conical plate is fixedly connected with an insulating roller, and the insulating roller is abutted to the adsorption roller.
Preferably, one side of the conical plate close to the adsorption roller is fixedly connected with a metal shovel plate, and the metal shovel plate is abutted against the lower end of the adsorption roller.
Preferably, a dust collecting box is arranged below the adsorption roller, and a dust suppressant is filled in the dust collecting box.
Preferably, the upper half part of the adsorption roller is positioned in the exhaust pipeline, the lower half part of the adsorption roller is positioned outside the exhaust pipeline, and the outer surface of the adsorption roller is provided with an insulating layer.
(II) advantageous effects
Compared with the prior art, the invention provides an industrial environment-friendly centrifugal dust removal exhaust fan, which has the following beneficial effects:
1. this centrifugal dust removal exhaust fan is used in industry environmental protection, rotate the in-process through the adsorption roller and produce static with the friction of insulating roller, the surface of adsorption roller subsidiary electric charge rotates inside the exhaust duct, adsorb the dust in the air current, when it continues to rotate and the position of adsorbing the dust contacts with the metal shovel board, the electric charge of metal shovel board on to the adsorption roller is derived and is scraped the adsorption roller surface, then the dust leaves the adsorption roller surface and falls in the dust-collecting box of below under the effect of gravity, the dust suppressant adsorbs and reunites the dust, thereby accomplish the absorption and the collection to the dust, the effect that has satisfied industry environmental protection has been reached.
2. This centrifugal dust removal exhaust fan is used in industry environmental protection, through when the fan vibrations of small amplitude, the spiral case is through the articulated guide arm drive slider along the slide bar round trip movement with it, then coil spring is extruded tensile repeatedly, thereby offset the power that vibrations produced, carry out preliminary damping to the machine, thereby the noise reduction, when the machine vibration range is great, spiral case drive mount table and push rod synchronous motion, the push rod extrudees the spring beam repeatedly, then the spring beam offsets the power that vibrations produced, carry out the damping to the machine, guarantee equipment safety and stability's operation and noise reduction.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of the adsorption roller according to the present invention;
FIG. 3 is a schematic view of the structure of area A in FIG. 1 according to the present invention;
FIG. 4 is a schematic structural diagram of the area B in FIG. 1 according to the present invention.
In the figure: 1. mounting a bracket; 2. a volute; 3. an impeller; 4. an air inlet; 5. a blade; 6. an exhaust duct; 7. an adsorption roller; 8. a drive wheel; 9. a guide bar; 10. an installation table; 11. a slide bar; 12. a slider; 13. a coil spring; 14. a push rod; 15. a barrel; 16. a spring lever; 17. a tapered plate; 18. an insulating roller; 19. a metal shovel plate; 20. a dust collecting box; 21. a dust suppressant.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, an industrial environmental-friendly centrifugal dust removal exhaust fan comprises a mounting bracket 1, wherein both left and right sides of the mounting bracket 1 are fixedly connected with a volute 2, an impeller 3 is arranged inside the volute 2, an air inlet 4 is arranged at the center of the impeller 3, blades 5 are arranged at the edge of the impeller 3, one end of the volute 2, which is far away from the mounting bracket 1, is fixedly connected with an exhaust pipeline 6, the lower end of the exhaust pipeline 6 is rotatably connected with an adsorption roller 7, a driving wheel 8 is arranged at the axis of the adsorption roller 7, the lower end of one side, which is close to the mounting bracket 1, of the volute 2 is hinged with a guide rod 9, the lower end of the volute 2 is fixedly connected with a mounting table 10, two mounting tables 10 are fixedly connected with a sliding rod 11, and two; a spiral spring 13 is arranged between the two sliding blocks 12, and one end of the guide rod 9 far away from the volute 2 is rotatably connected with the sliding blocks 12.
The lower end of the mounting table 10 is fixedly connected with a push rod 14, the lower end of the push rod 14 is sleeved with a cylinder body 15, a spring rod 16 is arranged inside the cylinder body 15, and the upper end of the spring rod 16 is fixedly connected with the push rod 14; a conical plate 17 is fixedly connected to the surface of the mounting table 10, an insulating roller 18 is fixedly connected to the upper end of the conical plate 17, and the insulating roller 18 is abutted against the adsorption roller 7; one side of the conical plate 17 close to the adsorption roller 7 is fixedly connected with a metal shovel plate 19, and the metal shovel plate 19 is abutted against the lower end of the adsorption roller 7; a dust collecting box 20 is arranged below the adsorption roller 7, and the interior of the dust collecting box 20 is filled with dust suppressant 21; the upper half part of the adsorption roller 7 is positioned in the exhaust pipeline 6, the lower half part of the adsorption roller is positioned outside the exhaust pipeline 6, and an insulating layer is arranged on the outer surface of the adsorption roller 7.
The working process and principle are as follows: when the exhaust fan works, airflow enters the interior of the volute 2 from the air inlet 4 and rotates along with the blades 5 under the drive of the impeller 3, the energy of the airflow is improved under the action of centrifugal force and inertia, the airflow enters the exhaust pipeline 6 along the radius direction, meanwhile, the adsorption roller 7 rotates along the direction of the airflow under the drive of the drive wheel 8, one side of the adsorption roller 7 close to the volute 2 rubs with the insulating roller 18 to generate static electricity, the surface of the adsorption roller 7 is attached with charges on the surface of the insulating layer, the surface of the adsorption roller 7 attached with the charges rotates to the interior of the exhaust pipeline 6 to adsorb dust in the airflow, then the adsorption roller 7 continues to rotate, when the part of the adsorption roller which adsorbs the dust is contacted with the metal shovel plate 19, the metal shovel plate 19 guides out the charges on the adsorption roller 7, the dust loses the electrostatic adsorption effect, the metal shovel plate 19 is matched with the surface of the adsorption roller 7 to scrape, and the dust leaves the surface of the adsorption roller, the dust suppressant 21 adsorbs and agglomerates dust, thereby completing the adsorption and collection of dust.
When the fan works, the volute 2 shakes along with the machine vibration, the volute 2 drives the sliding blocks 12 to move back and forth along the sliding rods 11 through the guide rods 9 hinged with the volute 2, and the spiral spring 13 arranged between the two sliding blocks 12 is repeatedly extruded and stretched, so that the force generated by the vibration is offset, the machine is subjected to primary vibration reduction, and the noise is reduced; when the vibration amplitude of the machine is large, the volute 2 drives the mounting table 10 fixedly connected with the volute to synchronously rock, the mounting table 10 drives the push rod 14 fixedly connected with the lower end of the mounting table to synchronously move, the push rod 14 slides along the cylinder 15 in a reciprocating mode and repeatedly extrudes the spring rod 16, the spring rod 16 offsets the force generated by vibration, the machine is damped, and safe and stable operation of the machine is guaranteed and noise is reduced.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that 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 (8)

1. The utility model provides an industrial environmental protection is with centrifugal dust removal exhaust fan, includes installing support (1), its characterized in that: the equal fixedly connected with spiral case (2) of the left and right sides of installing support (1), the inside of spiral case (2) is provided with impeller (3), air inlet (4) have been seted up in the center department of impeller (3), the edge of impeller (3) is provided with blade (5), the one end fixedly connected with exhaust duct (6) of installing support (1) are kept away from in spiral case (2), the lower extreme of exhaust duct (6) is rotated and is connected with adsorption roller (7), the axle center department of adsorption roller (7) is provided with drive wheel (8), one side lower extreme that spiral case (2) are close to installing support (1) articulates there is guide arm (9), lower extreme fixedly connected with mount table (10) of spiral case (2).
2. The centrifugal dust-removing exhaust fan for industrial environmental protection as claimed in claim 1, wherein: the mounting tables (10) are two in number, a sliding rod (11) is fixedly connected between the two mounting tables, and two sliding blocks (12) are connected to the rod body of the sliding rod (11) in a sliding mode.
3. The centrifugal dust-removing exhaust fan for industrial environmental protection as claimed in claim 2, wherein: a spiral spring (13) is arranged between the two sliding blocks (12), and one end, far away from the volute (2), of the guide rod (9) is rotatably connected with the sliding blocks (12).
4. The centrifugal dust-removing exhaust fan for industrial environmental protection as claimed in claim 1, wherein: the lower end of the mounting table (10) is fixedly connected with a push rod (14), the lower end of the push rod (14) is sleeved with a cylinder body (15), a spring rod (16) is arranged inside the cylinder body (15), and the upper end of the spring rod (16) is fixedly connected with the push rod (14).
5. The centrifugal dust-removing exhaust fan for industrial environmental protection as claimed in claim 1, wherein: the fixed surface of mount table (10) is connected with conical plate (17), the upper end fixedly connected with insulating roller (18) of conical plate (17), insulating roller (18) and adsorption roller (7) butt.
6. The centrifugal dust-removing exhaust fan for industrial environmental protection as claimed in claim 5, wherein: one side fixedly connected with metal shovel board (19) that toper board (17) are close to adsorption roller (7), metal shovel board (19) and the lower extreme butt of adsorption roller (7).
7. The centrifugal dust-removing exhaust fan for industrial environmental protection as claimed in claim 1, wherein: a dust collecting box (20) is arranged below the adsorption roller (7), and a dust suppressant (21) is filled in the dust collecting box (20).
8. The centrifugal dust-removing exhaust fan for industrial environmental protection as claimed in claim 1, wherein: the upper half of adsorption roller (7) is located the inside of exhaust duct (6), and the latter half is located exhaust duct (6) outside, adsorption roller (7) surface is provided with the insulating layer.
CN202011530699.4A 2020-12-22 2020-12-22 Centrifugal dust removal exhaust fan for industrial environmental protection Pending CN112696388A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011530699.4A CN112696388A (en) 2020-12-22 2020-12-22 Centrifugal dust removal exhaust fan for industrial environmental protection

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Application Number Priority Date Filing Date Title
CN202011530699.4A CN112696388A (en) 2020-12-22 2020-12-22 Centrifugal dust removal exhaust fan for industrial environmental protection

Publications (1)

Publication Number Publication Date
CN112696388A true CN112696388A (en) 2021-04-23

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CN202011530699.4A Pending CN112696388A (en) 2020-12-22 2020-12-22 Centrifugal dust removal exhaust fan for industrial environmental protection

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113230805A (en) * 2021-05-28 2021-08-10 江苏雄凯过滤技术有限公司 Can collect metal powder sintering filter core of dust automatically
CN113751386A (en) * 2021-09-09 2021-12-07 江苏上阳金属新材料有限公司 Automatic cleaning device for stamping die
CN114260101A (en) * 2021-12-21 2022-04-01 浙江铭元食品科技有限公司 Air dryer with dustproof effect for food processing

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2065203U (en) * 1988-03-12 1990-11-07 杜兴军 Electrostatic dust absorption sweeping machine
CN204528520U (en) * 2015-01-27 2015-08-05 罗文凤 A kind of electrostatic dust collector for belt transporter
CN210949221U (en) * 2019-11-28 2020-07-07 浙江挺宇瑞莱博泵业有限公司 Ventilation device for coal mine
CN211623832U (en) * 2019-12-29 2020-10-02 辽宁麦格尼科技有限公司 Centrifugal fan that can reduce noise
CN111779688A (en) * 2020-07-17 2020-10-16 湖北梨威机械设备有限公司 Adjustable shock attenuation axial fan
CN111911432A (en) * 2020-07-01 2020-11-10 徐兴勇 Low-noise air blower
CN112044599A (en) * 2020-08-28 2020-12-08 广州安华网络科技有限公司 High-efficient heat dissipation computer case that can remove dust automatically

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2065203U (en) * 1988-03-12 1990-11-07 杜兴军 Electrostatic dust absorption sweeping machine
CN204528520U (en) * 2015-01-27 2015-08-05 罗文凤 A kind of electrostatic dust collector for belt transporter
CN210949221U (en) * 2019-11-28 2020-07-07 浙江挺宇瑞莱博泵业有限公司 Ventilation device for coal mine
CN211623832U (en) * 2019-12-29 2020-10-02 辽宁麦格尼科技有限公司 Centrifugal fan that can reduce noise
CN111911432A (en) * 2020-07-01 2020-11-10 徐兴勇 Low-noise air blower
CN111779688A (en) * 2020-07-17 2020-10-16 湖北梨威机械设备有限公司 Adjustable shock attenuation axial fan
CN112044599A (en) * 2020-08-28 2020-12-08 广州安华网络科技有限公司 High-efficient heat dissipation computer case that can remove dust automatically

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113230805A (en) * 2021-05-28 2021-08-10 江苏雄凯过滤技术有限公司 Can collect metal powder sintering filter core of dust automatically
CN113751386A (en) * 2021-09-09 2021-12-07 江苏上阳金属新材料有限公司 Automatic cleaning device for stamping die
CN114260101A (en) * 2021-12-21 2022-04-01 浙江铭元食品科技有限公司 Air dryer with dustproof effect for food processing
CN114260101B (en) * 2021-12-21 2024-06-07 广东无尽食品有限公司 Air dryer with dustproof effect for food processing

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