CN120251560A - A centrifugal fan for cooling tower - Google Patents
A centrifugal fan for cooling tower Download PDFInfo
- Publication number
- CN120251560A CN120251560A CN202510583538.8A CN202510583538A CN120251560A CN 120251560 A CN120251560 A CN 120251560A CN 202510583538 A CN202510583538 A CN 202510583538A CN 120251560 A CN120251560 A CN 120251560A
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- China
- Prior art keywords
- fixedly connected
- centrifugal fan
- cooling tower
- rod
- spring
- 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.)
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Classifications
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
- B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/48—Removing dust other than cleaning filters, e.g. by using collecting trays
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
- B01D46/58—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in parallel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/68—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements
- B01D46/681—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements by scrapers, brushes or the like
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/74—Regeneration of the filtering material or filter elements inside the filter by forces created by movement of the filter element
- B01D46/76—Regeneration of the filtering material or filter elements inside the filter by forces created by movement of the filter element involving vibrations
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D17/08—Centrifugal pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
本发明公开了一种冷却塔用离心风机，属于风机设备技术领域，包括底座，所述底座的上端固定连接有离心风机本体，所述离心风机本体的后端设有第一电机，所述第一电机的设置在底座的上端，所述第一电机用于驱动离心风机本体，所述离心风机本体的上端设有出风管。通过设置的滤网对灰尘进行过滤，在清洁滤网的时候，能够先通过隔流板对壳体的一侧气流进行阻隔，然后再通过清洁组件对滤网清洁，这样在清洁的时候，灰尘不会受到气流的作用，不会强力的沾附在滤网的上端，进而能够有效地进行灰尘的清洁，保证了进气效果，而且过滤组件为左右两个设置，这样在一边清洁的时候，能够通过另一侧进气，这样不需要对机器进行停机清洁，提高了使用效果。
The present invention discloses a centrifugal fan for a cooling tower, which belongs to the technical field of fan equipment, and includes a base, the upper end of which is fixedly connected with a centrifugal fan body, the rear end of which is provided with a first motor, which is arranged at the upper end of the base, and which is used to drive the centrifugal fan body, and the upper end of which is provided with an air outlet pipe. The dust is filtered by a set filter, and when cleaning the filter, the airflow on one side of the shell can be blocked by a flow partition plate first, and then the filter is cleaned by a cleaning component, so that during cleaning, the dust will not be affected by the airflow and will not be strongly attached to the upper end of the filter, and the dust can be effectively cleaned, thereby ensuring the air intake effect, and the filter component is arranged in two left and right positions, so that when cleaning one side, air can be taken in through the other side, so that there is no need to stop the machine for cleaning, thereby improving the use effect.
Description
Technical Field
The invention relates to the technical field of fan equipment, in particular to a centrifugal fan for a cooling tower.
Background
The evaporation heat-dissipating device is used for dissipating waste heat generated in industry or refrigeration air conditioner by taking away heat through evaporation heat dissipation, convection heat transfer, radiation heat transfer and other principles by volatilizing the steam, so as to ensure the normal operation of the system, and the device is generally barrel-shaped, so that a fan in the device plays a very large role;
the centrifugal fan is a machine for increasing the pressure of gas and discharging the gas by means of input mechanical energy, and is a driven fluid machine;
The cooling tower needs centrifugal fan to carry out gaseous transport, in order to reduce the friction of inside blade between during operation and shell, can be in the position of air intake simultaneously, be equipped with the filter screen, can adhere a lot of dust along with the going on of work filter screen, and then influence centrifugal fan's effect of admitting air, the clean subassembly that current device set up, in the clear time, if not shut down, because the continuous work of admitting air, the dust of adhering to the filter screen upper end can receive the influence of air current, have stronger adhesion with the filter screen, and then even can promote downwards, after clean subassembly removes, the dust has just changed a position, still can be in the upper end of filter screen, shut down cleanly, then can influence the continuation of work, the limitation of use is great.
For this purpose, a centrifugal fan for a cooling tower is proposed.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide a centrifugal fan for a cooling tower, which can realize that dust is not influenced by air flow when the dust is cleaned under the condition of no shutdown, and improve the cleaning effect.
In order to solve the problems, the invention adopts the following technical scheme.
The utility model provides a centrifugal fan for cooling tower, includes the base, the upper end fixedly connected with centrifugal fan body of base, the rear end of centrifugal fan body is equipped with first motor, the setting of first motor is in the upper end of base, first motor is used for driving centrifugal fan body, the upper end of centrifugal fan body is equipped with out the tuber pipe, the front end of centrifugal fan body is equipped with filter assembly, filter assembly can filter the dust in the air;
The filter component comprises an air inlet pipe fixedly connected to the front end of a centrifugal fan body, a shell fixedly connected to the front end of the air inlet pipe, a partition plate is arranged in the middle of the shell, the shell is divided into a left space and a right space, a communication port is formed in the rear end of the shell, filter screens are fixedly connected to the two sides of the shell, a flow separation plate is fixedly connected to the two sides of the shell, a rectangular rod is connected to the lower end of the flow separation plate in a sliding manner, a round groove is formed in the rectangular rod, a screw nut is fixedly connected to the lower end of the rectangular rod, a reciprocating screw is connected to the screw nut in a meshed manner, a U-shaped rod is connected to the upper end of the shell in a sliding manner, a cleaning component is arranged at the lower end of the U-shaped rod, a first spring is fixedly connected to the inner wall of the upper end of the U-shaped rod, a pressing plate is fixedly connected to the lower end of the first spring, and a driving mechanism is arranged at the upper end of the reciprocating screw.
Preferably, guide grooves are formed in the inner walls of the two sides of the shell, and the flow separation plates are located in the guide grooves and slide up and down.
Preferably, the cleaning assembly comprises a movable block fixedly connected to the lower end of the U-shaped rod, a movable groove is formed in the movable block, a scraping block is slidably connected to the movable groove, a second spring is uniformly and fixedly connected to the front end of the scraping block, and the front end of the second spring is fixedly connected with the inner wall of the movable groove.
Preferably, both sides of the upper end of the filter screen are fixedly connected with inclined blocks, and the upper ends of the scraping blocks are obliquely arranged.
Preferably, the driving mechanism comprises a supporting plate fixedly connected to the upper end of the shell, the upper end of the supporting plate is fixedly connected with a second motor, the output end of the second motor is fixedly connected with a rotating rod, the upper and lower positions of the rod wall of the rotating rod are fixedly connected with one-way bearings, the one-way locking directions of the two one-way bearings are opposite, and the upper ends of the rod walls of the two one-way bearings and the reciprocating screw rod are arranged through belt transmission.
Preferably, the lower end of the rectangular rod is fixedly connected with a third spring, and the lower end of the third spring is fixedly connected with the inner wall of the lower end of the flow separation plate.
Preferably, both sides of the lower end of the shell are slidably connected with a dirt accumulation box, and the front end of the dirt accumulation box is fixedly connected with a limiting block.
Preferably, the upper end of the dirt accumulation box is rotatably connected with a cover plate, and the lower end of the cover plate is fixedly connected with a fourth spring.
Preferably, the upper end of the reciprocating screw rod is rotationally connected with the supporting plate, and the lower end of the reciprocating screw rod is rotationally connected with the inside of the lower end of the shell.
Preferably, the lower extreme of filter screen is equipped with the vibrations piece, circular opening has been seted up to the inside of vibrations piece, circular open-ended inner wall evenly fixedly connected with first lug, the recess has all been seted up to the lower extreme both sides of reciprocating screw, the inside sliding connection of recess has the second lug, two the equal fixedly connected with fifth spring in opposite one side of second lug, the inner wall fixed connection of fifth spring and recess.
Compared with the prior art, the invention has the beneficial effects that:
(1) The filter screen that passes through the setting filters the dust, when clean filter screen, can separate the air current to one side of casing through separating the flow board earlier, then the clean subassembly of rethread is clean to the filter screen, like this when clean, the dust can not receive the effect of air current, can not powerful be stained with the upper end of attaching at the filter screen, and then can carry out the cleanness of dust effectively, the effect of admitting air has been guaranteed, filter unit is controlling two settings, like this in one side clear time, can admit air through the opposite side, need not shut down the machine like this and clean, the result of use has been improved.
(2) Under the effect of second spring for scrape the front end position that the piece can laminate the filter screen, guaranteed clean effect, move up and oblique piece contact when scraping the piece, make to scrape the piece and move forward, separate with the filter screen, in-process that moves up like this is located the dust of scraping the piece upper end, under the effect of scraping the piece slope setting, make the dust fall down, further improved the clean effect of dust.
(3) When the movable block moves downwards, the movable block contacts with the upper end of the cover plate, the movable block moves downwards to enable the cover plate to rotate, at the moment, cleaned dust enters the interior of the dirt accumulation box, after cleaning is completed, the movable block is up and down, the cover plate is not subjected to pressure of the movable block, and the movable block resets under the action of the fourth spring, so that dust in the dirt accumulation box cannot be influenced by air flow when normal ventilation works, the dust is taken out, and the cleaning effect is further improved.
(4) The reciprocating screw rod drives the second lug to move and contact with the first lug, and under the action of the fifth spring, the vibration block is arranged, so that the vibration block vibrates, the vibration block transmits vibration to the filter screen, the filter screen vibrates, dust attached to the filter screen is vibrated, and the dust removing effect is further improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a first cross-sectional schematic view of the present invention;
FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present invention;
FIG. 4 is a schematic view of a partial structure of the present invention;
FIG. 5 is an enlarged schematic view of the structure of FIG. 4B according to the present invention;
FIG. 6 is a schematic cross-sectional view of a baffle plate of the present invention;
FIG. 7 is a schematic diagram of a filter screen according to the present invention;
FIG. 8 is an enlarged schematic view of the structure of FIG. 7C according to the present invention;
Fig. 9 is a schematic sectional view of the housing of the present invention.
The reference numerals in the figures illustrate:
1. The device comprises a base, a first motor, a3, an air outlet pipe, a4, a centrifugal fan body, a5, a shell, a 6, a supporting plate, a 7, a second motor, a 8, a reciprocating screw rod, a 9, a first spring, a 10, a U-shaped rod, a 11, a moving block, a 12, a dirt accumulation box, a 13, a filter screen, a 14, an air inlet pipe, a 15, a second spring, a 16, a screw nut, a 17, a rectangular rod, a 18, an inclined block, a 19, a fourth spring, a 20, a limiting block, a 21, a cover plate, a 22, a scraping block, a 23, a flow baffle, a 24, a rotating rod, a 25, a belt, a 26, a one-way bearing, a 27, a pressing plate, a 28, a third spring, a 29, a round groove, a 30, a vibrating block, a 31, a groove, a32, a fifth spring, a 33, a second bump, a 34, a first bump, a 35, a round opening, a 36, a guide groove, a 37 and a communication port.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present invention are within the scope of the present invention.
Referring to fig. 1 to 9, a centrifugal fan for a cooling tower includes a base 1, wherein the upper end of the base 1 is fixedly connected with a centrifugal fan body 4, the centrifugal fan body 4 can generate a certain flowing air flow under the action of a first motor 2, the technology is the prior art, the rear end of the centrifugal fan body 4 is provided with the first motor 2, the first motor 2 is arranged at the upper end of the base 1, the first motor 2 is used for driving the centrifugal fan body 4, the upper end of the centrifugal fan body 4 is provided with an air outlet pipe 3, the air outlet pipe 3 is used for guiding, the front end of the centrifugal fan body 4 is provided with a filter component, and the filter component can filter dust in air;
The filtering component comprises an air inlet pipe 14 fixedly connected to the front end of the centrifugal fan body 4, a shell 5 fixedly connected to the front end of the air inlet pipe 14, a partition plate is arranged in the middle of the shell 5, the shell 5 is divided into a left space and a right space, air can be introduced into the air inlet pipe 14 from the left side and the right side of the shell 5, a communication port 37 is formed in the rear end of the shell 5, a filter screen 13 is fixedly connected to the two sides of the shell 5, the filter screen 13 can filter dust in air, especially in working environments like factories, the air is filtered, the dust in the air is prevented from entering the inside of the centrifugal fan body 4, the rotation of blades is influenced, the friction force when the blades rotate is avoided from being increased by the dust, the service life is prolonged, a flow blocking plate 23 is slidably connected to the two sides of the shell 5, the flow blocking plate 23 can move up and down relative to the lower end of the shell 5, the inner part of the lower end of the flow separation plate 23 is slidably connected with a rectangular rod 17, the rectangular rod 17 can move upwards relative to a round groove 29, the rectangular rod 17 has a limiting function on the rectangular rod 17 and cannot rotate, the round groove 29 is formed in the rectangular rod 17, the round groove 29 is used for enabling a space for placing a reciprocating screw rod 8 to be arranged, a screw nut 16 is fixedly connected to the inner lower end of the rectangular rod 17, the reciprocating screw rod 8 is connected to the inner part of the screw nut 16 in a meshed manner, the reciprocating screw rod 8 rotates to enable the screw nut 16 to move up and down, the upper end of the shell 5 is slidably connected with a U-shaped rod 10, the U-shaped rod 10 can move up and down relative to the shell 5, a cleaning component is arranged at the lower end of the U-shaped rod 10, the U-shaped rod 10 drives the cleaning component to move up and down, sundry dust attached to the front end of the filter screen 13 is removed, the inner wall of the upper end of the U-shaped rod 10 is fixedly connected with a first spring 9, the first spring 9 has upward supporting force on the U-shaped rod 10, the lower end of the first spring 9 is fixedly connected with the upper end of the shell 5, the front end of the rectangular rod 17 is fixedly connected with a pressing plate 27, the rectangular rod 17 moves to drive the pressing plate 27 to move, and the upper end of the reciprocating screw rod 8 is provided with a driving mechanism;
When the centrifugal fan is in operation, the first motor 2 drives the centrifugal fan body 4 to normally operate, the air inlet pipe 14 is used for introducing air into the centrifugal fan body 4, in the process, dust in the air is filtered through the filter screen 13, the dust is prevented from accumulating in the centrifugal fan body 4, the normal operation is influenced, when the cleaning is needed, when the flow separation plate 23 is positioned at the upper end of the shell 5, one of the reciprocating screw rods 8 is driven to rotate, the reciprocating screw rods 8 rotates to enable the screw nuts 16 in meshed connection to move downwards, the reciprocating screw rods 8 drive the rectangular rods 17 to move downwards, the rectangular rods 17 move downwards to drive the flow separation plate 23 to move downwards to separate the corresponding position in the shell 5, the air cannot pass through the corresponding position, the reciprocating screw rods 8 continue to rotate at the moment, the rectangular rod 17 continues to move downwards, the rectangular rod 17 continues to move to drive the pressing plate 27 to move downwards, at the moment, the rectangular rod 17 moves relatively to the flow isolation plate 23, the pressing plate 27 moves downwards to move downwards with the U-shaped rod 10, meanwhile, the first spring 9,U is compressed, the rod 10 moves downwards to drive the cleaning assembly to move downwards, the front end of the filter screen 13 is cleaned, the reciprocating screw rod 8 continues to rotate, the screw nut 16 at the moment drives the rectangular rod 17 to move downwards, the U-shaped rod 10 at the moment resets under the action of the first spring 9, when the lower end of the rectangular rod 17 moves to the upper end of the flow isolation plate 23, the flow isolation plate 23 is driven to move upwards together, during working, dust is filtered through the set filter screen 13, during cleaning of the filter screen 13, airflow on one side of the shell 5 can be blocked through the flow isolation plate 23, and then the filter screen 13 is cleaned through the cleaning assembly, like this when clean, the dust can not receive the effect of air current, can not be powerful be stained with and attach in the upper end of filter screen 13, and then can carry out the cleanness of dust effectively, guaranteed the effect of admitting air, filter component is two settings about moreover, like this when clean on one side, can admit air through the opposite side, need not shut down the cleanness to the machine like this, improved result of use.
As shown in fig. 9, the inner walls of the two sides of the housing 5 are provided with guide grooves 36, and the flow separation plate 23 is located in the guide grooves 36 and slides up and down, so that the flow separation plate 23 is more stable when moving by arranging the guide grooves 36.
As shown in fig. 2 to 4, the cleaning assembly comprises a moving block 11 fixedly connected to the lower end of the U-shaped rod 10, a moving groove is formed in the moving block 11, a scraping block 22 is slidably connected in the moving groove, the scraping block 22 can move back and forth in the moving groove, a second spring 15 is uniformly and fixedly connected to the front end of the scraping block 22, the second spring 15 has a backward thrust to the scraping block 22, the front end of the second spring 15 is fixedly connected with the inner wall of the moving groove, inclined blocks 18 are fixedly connected to two sides of the upper end of the filter screen 13, and the upper end of the scraping block 22 is obliquely arranged;
the U-shaped rod 10 drives the movable block 11 to move in the up-and-down movement process, the movable block 11 moves to drive the scraping block 22 to move up and down, the scraping block 22 can be attached to the front end position of the filter screen 13 under the action of the second spring 15, the cleaning effect is guaranteed, when the scraping block 22 moves up, the scraping block 22 moves forward under the action of the inclined block 18 at the moment, the scraping block 22 is separated from the filter screen 13 at the upper end, dust at the upper end of the scraping block 22 is separated from the filter screen 13 in the up-and-down movement process, and the dust falls under the action of the inclined setting of the scraping block 22, so that the cleaning effect of the dust is further improved.
As shown in fig. 4 and 5, the driving mechanism comprises a supporting plate 6 fixedly connected to the upper end of the housing 5, the upper end of the supporting plate 6 is fixedly connected with a second motor 7, the second motor 7 is a driving device, in the prior art, the output end of the second motor 7 is fixedly connected with a rotating rod 24, the second motor 7 rotates to enable the rotating rod 24 to rotate, the upper and lower positions of the rod wall of the rotating rod 24 are fixedly connected with one-way bearings 26, the one-way bearings 26 are in the prior art, the inner ring and the outer ring of the one-way bearings 26 can rotate relatively, the other direction can not lock relatively, the one-way locking directions of the two one-way bearings 26 are opposite, and the upper ends of the rod walls of the two one-way bearings 26 and the reciprocating screw rod 8 are in transmission arrangement through a belt 25;
When the second motor 7 works, the rotating rod 24 rotates, when the rotating rod 24 rotates clockwise, the inner ring and the outer ring of one-way bearing 26 are in a locked state, one is in an active state, the one-way bearing 26 in the locked state rotates through a corresponding belt 25, so that the corresponding reciprocating screw rod 8 rotates, when the other reciprocating screw rod 8 needs to be controlled, only the second motor 7 is needed to drive the rotating rod 24 to rotate anticlockwise, and thus, the two reciprocating screw rods 8 can be controlled to rotate respectively through a driving device, and the manufacturing cost is reduced.
As shown in fig. 6, the lower end of the rectangular rod 17 is fixedly connected with a third spring 28, the lower end of the third spring 28 is fixedly connected with the inner wall of the lower end of the flow isolation plate 23, and when the rectangular rod 17 moves downwards, the flow isolation plate 23 is pushed downwards by the third spring 28, so that the flow isolation plate 23 is more stable in flow isolation.
As shown in fig. 3, two sides of the lower end of the casing 5 are both slidably connected with a dirt accumulation box 12, the dirt accumulation box 12 is used for collecting dust, the front end of the dirt accumulation box 12 is fixedly connected with a limiting block 20, the limiting block 20 can slide at the lower end inside the casing 5 to play a limiting role, the upper end of the dirt accumulation box 12 is rotatably connected with a cover plate 21, the lower end of the cover plate 21 is fixedly connected with a fourth spring 19, and the fourth spring 19 has upward supporting force on the cover plate 21;
When the movable block 11 moves downwards, the movable block 11 contacts with the upper end of the cover plate 21, the movable block 11 moves downwards to enable the cover plate 21 to rotate, meanwhile, the fourth spring 19 is compressed, at the moment, cleaned dust enters the interior of the dirt accumulation box 12, after cleaning is finished, the movable block 11 moves upwards, at the moment, the cover plate 21 is not subjected to the pressure of the movable block 11 any more, and is reset under the action of the fourth spring 19, so that the dust in the dirt accumulation box 12 cannot be influenced by air flow during normal ventilation, the dust is carried out again, the cleaning effect is further improved, and after the use is finished, the dirt accumulation box 12 is pulled out, and the dust in the dirt accumulation box 12 is cleaned.
As shown in fig. 2, the upper end of the reciprocating screw 8 is rotatably connected with the support plate 6, and the lower end of the reciprocating screw 8 is rotatably connected with the inside of the lower end of the housing 5, so that the reciprocating screw 8 is rotatably stable.
As shown in fig. 7 and 8, the lower end of the filter screen 13 is provided with a vibration block 30, the vibration block 30 is made of metal material, a round opening 35 is formed in the vibration block 30, the inner wall of the round opening 35 is uniformly and fixedly connected with a first bump 34, grooves 31 are formed on two sides of the lower end of the reciprocating screw rod 8, a second bump 33 is slidably connected in the grooves 31, the second bump 33 can move in the grooves 31, a fifth spring 32 is fixedly connected to one side opposite to the two second bumps 33, the fifth spring 32 has a certain pushing force on the second bump 33, and the fifth spring 32 is fixedly connected with the inner wall of the grooves 31;
The reciprocating screw rod 8 rotates to drive two second protruding blocks 33 to rotate, the second protruding blocks 33 move to be in contact with the first protruding blocks 34, so that the second protruding blocks 33 move towards the inside of the groove 31, meanwhile, the fifth springs 32 are compressed, when the first protruding blocks 34 are misplaced with the second protruding blocks 33, the second protruding blocks 33 move under the action of the fifth springs 32, impact to the vibration blocks 30, and further the vibration blocks 30 vibrate, the vibration blocks 30 transmit vibration to the filter screen 13, the filter screen 13 vibrates, the effect of shaking off dust attached to the filter screen 13 is achieved, the dust removing effect is further improved, and the fact that the filter screen 13 is provided with an outer frame can accept vibration is needed.
Working principle: when the centrifugal fan is in operation, the first motor 2 drives the centrifugal fan body 4 to normally operate, the air inlet pipe 14 is used for introducing air into the centrifugal fan body 4, in the process, dust in the air is filtered through the filter screen 13, the dust is prevented from accumulating in the centrifugal fan body 4, the normal operation is influenced, when the cleaning is needed, when the flow separation plate 23 is positioned at the upper end of the shell 5, one of the reciprocating screw rods 8 is driven to rotate, the reciprocating screw rods 8 rotates to enable the screw nuts 16 in meshed connection to move downwards, the reciprocating screw rods 8 drive the rectangular rods 17 to move downwards, the rectangular rods 17 move downwards to drive the flow separation plate 23 to move downwards to separate the corresponding position in the shell 5, the air cannot pass through the corresponding position, the reciprocating screw rods 8 continue to rotate at the moment, the rectangular rod 17 continues to move downwards, the rectangular rod 17 continues to move to drive the pressing plate 27 to move downwards, at the moment, the rectangular rod 17 moves relatively to the flow isolation plate 23, the pressing plate 27 moves downwards to move downwards with the U-shaped rod 10, meanwhile, the first spring 9,U is compressed, the rod 10 moves downwards to drive the cleaning assembly to move downwards, the front end of the filter screen 13 is cleaned, the reciprocating screw rod 8 continues to rotate, the screw nut 16 at the moment drives the rectangular rod 17 to move downwards, the U-shaped rod 10 at the moment resets under the action of the first spring 9, when the lower end of the rectangular rod 17 moves to the upper end of the flow isolation plate 23, the flow isolation plate 23 is driven to move upwards together, during working, dust is filtered through the set filter screen 13, during cleaning of the filter screen 13, airflow on one side of the shell 5 can be blocked through the flow isolation plate 23, and then the filter screen 13 is cleaned through the cleaning assembly, therefore, when the dust is cleaned, the dust cannot be affected by air flow, cannot be adhered to the upper end of the filter screen 13 strongly, and further can be effectively cleaned, the air inlet effect is ensured, the filter assembly is arranged in a left-right mode, and when one side is cleaned, the air can be introduced through the other side, so that the machine is not required to be stopped for cleaning, and the use effect is improved;
Further, the U-shaped rod 10 drives the moving block 11 to move when moving up and down, the moving block 11 moves to drive the scraping block 22 to move up and down, the scraping block 22 can be attached to the front end position of the filter screen 13 under the action of the second spring 15, so that a cleaning effect is ensured, when the scraping block 22 moves up, the scraping block 22 moves forward under the action of the inclined block 18 at the moment, the scraping block 22 is separated from the filter screen 13 at the upper end, and thus dust at the upper end of the scraping block 22 falls under the action of the inclined arrangement of the scraping block 22 in the upward movement process, so that the cleaning effect of the dust is further improved;
Further, when the second motor 7 works, the rotating rod 24 rotates, when the rotating rod 24 rotates clockwise, the inner ring and the outer ring of one-way bearing 26 are in a locked state, one is in a movable state, the one-way bearing 26 in the locked state rotates through a corresponding belt 25, so that the corresponding reciprocating screw rod 8 rotates, and when the other reciprocating screw rod 8 needs to be controlled, only the second motor 7 is needed to drive the rotating rod 24 to rotate anticlockwise, and thus, the two reciprocating screw rods 8 can be controlled to rotate respectively through a driving device, and the manufacturing cost is reduced;
Further, when the moving block 11 moves downwards, the moving block 11 contacts with the upper end of the cover plate 21, the moving block 11 moves downwards to enable the cover plate 21 to rotate, meanwhile, the fourth spring 19 is compressed, the cleaned dust enters the interior of the dirt accumulation box 12, when the cleaning is finished, the moving block 11 moves upwards, the cover plate 21 is not subjected to the pressure of the moving block 11, and is reset under the action of the fourth spring 19, so that the dust in the dirt accumulation box 12 is not influenced by air flow during normal ventilation work, the dust is carried out again, the cleaning effect is further improved, and after a certain period of use, the dirt accumulation box 12 is pulled out, and the interior dust can be cleaned;
Further, the reciprocating screw rod 8 rotates to drive the two second protruding blocks 33 to rotate, the second protruding blocks 33 move to be in contact with the first protruding blocks 34, so that the second protruding blocks 33 move towards the inside of the groove 31, meanwhile, the fifth springs 32 are compressed, when the first protruding blocks 34 are dislocated with the second protruding blocks 33, the second protruding blocks 33 move under the action of the fifth springs 32 and collide with the vibrating blocks 30, so that the vibrating blocks 30 vibrate, the vibrating blocks 30 transmit vibration to the filter screen 13, the filter screen 13 vibrates, the dust attached to the filter screen 13 has a vibration falling effect, the dust removing effect is further improved, and the fact that the filter screen 13 is provided with an outer frame can receive vibration is needed.
The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present invention, and the technical solution and the improvement thereof are all covered by the protection scope of the present invention.
Claims (10)
1. The centrifugal fan for the cooling tower comprises a base (1) and is characterized in that the upper end of the base (1) is fixedly connected with a centrifugal fan body (4), a first motor (2) is arranged at the rear end of the centrifugal fan body (4), the first motor (2) is arranged at the upper end of the base (1), the first motor (2) is used for driving the centrifugal fan body (4), an air outlet pipe (3) is arranged at the upper end of the centrifugal fan body (4), and a filter assembly is arranged at the front end of the centrifugal fan body (4) and can filter dust in air;
the utility model provides a filter component includes intake pipe (14) of fixed connection at centrifugal fan body (4) front end, intake pipe (14) front end fixed connection's casing (5), be equipped with the baffle in the middle of casing (5), with two spaces about casing (5) separation, the rear end of casing (5) is equipped with intercommunication mouth (37), the equal fixedly connected with filter screen (13) in both sides of casing (5), the equal sliding connection in both sides of casing (5) has baffle plate (23), the inside sliding connection of the lower extreme of baffle plate (23) has rectangular bar (17), circular slot (29) have been seted up to the inside of rectangular bar (17), the inside lower extreme fixedly connected with lead screw nut (16) of rectangular bar (17), the inside meshing of lead screw nut (16) is connected with reciprocal lead screw (8), the upper end sliding connection of casing (5) has U-shaped pole (10), the lower extreme of U-shaped pole (10) is equipped with clean subassembly, the upper end inner wall fixedly connected with baffle plate (23), the inside of the lower extreme of baffle plate (23) has rectangular bar (9), the upper end of first spring (9) fixedly connected with lead screw (8).
2. The centrifugal fan for the cooling tower according to claim 1, wherein guide grooves (36) are formed in inner walls of two sides of the shell (5), and the flow separation plate (23) is located in the guide grooves (36) and slides up and down.
3. The centrifugal fan for the cooling tower according to claim 1, wherein the cleaning assembly comprises a moving block (11) fixedly connected to the lower end of the U-shaped rod (10), a moving groove is formed in the moving block (11), a scraping block (22) is slidably connected to the inside of the moving groove, a second spring (15) is uniformly and fixedly connected to the front end of the scraping block (22), and the front end of the second spring (15) is fixedly connected with the inner wall of the moving groove.
4. The centrifugal fan for the cooling tower according to claim 3, wherein two sides of the upper end of the filter screen (13) are fixedly connected with inclined blocks (18), and the upper end of the scraping block (22) is obliquely arranged.
5. The centrifugal fan for the cooling tower according to claim 1, wherein the driving mechanism comprises a supporting plate (6) fixedly connected to the upper end of the shell (5), the upper end of the supporting plate (6) is fixedly connected with a second motor (7), the output end of the second motor (7) is fixedly connected with a rotating rod (24), the upper and lower positions of the rod wall of the rotating rod (24) are fixedly connected with one-way bearings (26), the one-way locking directions of the two one-way bearings (26) are opposite, and the upper ends of the rod walls of the two one-way bearings (26) and the reciprocating screw rod (8) are in transmission arrangement through a belt (25).
6. The centrifugal fan for the cooling tower according to claim 1, wherein the lower end of the rectangular rod (17) is fixedly connected with a third spring (28), and the lower end of the third spring (28) is fixedly connected with the inner wall of the lower end of the flow separation plate (23).
7. The centrifugal fan for the cooling tower according to claim 1, wherein the two sides of the lower end of the shell (5) are both connected with a dirt accumulation box (12) in a sliding manner, and the front end of the dirt accumulation box (12) is fixedly connected with a limiting block (20).
8. The centrifugal fan for the cooling tower according to claim 7, wherein a cover plate (21) is rotatably connected to the upper end of the dirt accumulation box (12), and a fourth spring (19) is fixedly connected to the lower end of the cover plate (21).
9. The centrifugal fan for the cooling tower according to claim 5, wherein the upper end of the reciprocating screw rod (8) is rotatably connected with the supporting plate (6), and the lower end of the reciprocating screw rod (8) is rotatably connected with the inside of the lower end of the shell (5).
10. The centrifugal fan for the cooling tower according to claim 1, wherein the lower end of the filter screen (13) is provided with a vibration block (30), a circular opening (35) is formed in the vibration block (30), first protruding blocks (34) are uniformly and fixedly connected to the inner wall of the circular opening (35), grooves (31) are formed in two sides of the lower end of the reciprocating screw rod (8), second protruding blocks (33) are slidably connected to the inner portions of the grooves (31), fifth springs (32) are fixedly connected to opposite sides of the two second protruding blocks (33), and the fifth springs (32) are fixedly connected with the inner walls of the grooves (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202510583538.8A CN120251560A (en) | 2025-05-07 | 2025-05-07 | A centrifugal fan for cooling tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202510583538.8A CN120251560A (en) | 2025-05-07 | 2025-05-07 | A centrifugal fan for cooling tower |
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| Publication Number | Publication Date |
|---|---|
| CN120251560A true CN120251560A (en) | 2025-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202510583538.8A Pending CN120251560A (en) | 2025-05-07 | 2025-05-07 | A centrifugal fan for cooling tower |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN121205965A (en) * | 2025-12-01 | 2025-12-26 | 远东金诚风机(江苏)有限公司 | A centrifugal fan for the lithium battery industry with noise reduction function |
-
2025
- 2025-05-07 CN CN202510583538.8A patent/CN120251560A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN121205965A (en) * | 2025-12-01 | 2025-12-26 | 远东金诚风机(江苏)有限公司 | A centrifugal fan for the lithium battery industry with noise reduction function |
| CN121205965B (en) * | 2025-12-01 | 2026-02-03 | 远东金诚风机(江苏)有限公司 | A centrifugal fan for the lithium battery industry with noise reduction function |
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