CN111043744B - Industrial air filtering and silencing equipment and working method thereof - Google Patents

Industrial air filtering and silencing equipment and working method thereof Download PDF

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Publication number
CN111043744B
CN111043744B CN201911248337.3A CN201911248337A CN111043744B CN 111043744 B CN111043744 B CN 111043744B CN 201911248337 A CN201911248337 A CN 201911248337A CN 111043744 B CN111043744 B CN 111043744B
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China
Prior art keywords
silencing
dust
rod
silencing chamber
chamber
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CN201911248337.3A
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Chinese (zh)
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CN111043744A (en
Inventor
来剑锋
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Shandong Pharmaceutical Industry Design Institute Co.,Ltd.
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Shandong Pharmaceutical Industry Design Institute Co ltd
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Publication of CN111043744A publication Critical patent/CN111043744A/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/24Means for preventing or suppressing noise
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/42Auxiliary equipment or operation thereof
    • B01D46/4236Reducing noise or vibration emissions
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/66Regeneration of the filtering material or filter elements inside the filter
    • B01D46/68Regeneration 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
    • B01D46/681Regeneration 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/28Arrangement or mounting of filters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/90Cleaning of purification apparatus
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/24Means for preventing or suppressing noise
    • F24F2013/247Active noise-suppression

Abstract

The invention discloses industrial air filtering and silencing equipment, which comprises a silencing chamber I, a silencing chamber II, a filtering device, a fan and a dust bag, wherein the silencing chamber I is provided with a first air inlet and a second air inlet; the filtering device comprises a ring body, and a filter screen is arranged on the rear side surface of the ring body; the front end of import pipe be equipped with one section body, be equipped with out the dirt pipe in the import pipe, go out the dirt pipe and be connected with the dust bag, this equipment still includes one can be right the body carries out the circular separation blade that seals. The invention has the beneficial effects that: the dust in the air flow can be filtered by the filtering device, after the air flow passes through the filtering device, the noise in the air flow is silenced by the silencing chamber I and the silencing chamber II, and finally the air flow is discharged from the outlet pipe, the noise of the discharged air is reduced, the air is filtered, the air quality is better, and the influence on the health of workers is prevented; the equipment also has the characteristic of easy maintenance.

Description

Industrial air filtering and silencing equipment and working method thereof
Technical Field
The invention relates to an air treatment device, in particular to an industrial air filtering and silencing device capable of removing dust and silencing and a working method of the industrial air filtering and silencing device.
Background
Industrial equipment easily produces the noise at the operation in-process, leads to whole workshop even the workshop external noise to be on the large side, and the noise can influence workman's physical and mental health, is in the easy occupational disease that produces in the great environment of noise for a long time. The noise is easy to be discharged outwards along with the air flow at the air outlet, and is discharged outwards from the inside of the equipment and outwards from the inside of a workshop, and is easy to be dispersed from an unblocked area.
In the prior art, a silencing plate and a silencing pipe are specially used for eliminating noise, and reasonable arrangement is the premise of effectiveness. Chinese patent 201810410100X silencer discloses many related technologies, which can be regarded as the closest prior art.
Disclosure of Invention
The purpose of the invention is: in order to solve the defects in the prior art, the industrial air filtering and silencing equipment capable of removing dust and silencing is provided.
The invention is designed to solve the defects of the prior art as follows:
an industrial air filtering and silencing device comprises a silencing chamber I, a silencing chamber II, a filtering device, a fan and a dust removal bag; the silencing chamber II is positioned on one side surface of the silencing chamber and communicated with the silencing chamber II; the inner walls of the first silencing chamber and the second silencing chamber are provided with silencing plates fully distributed with silencing holes, and the fan is positioned in the first silencing chamber; an inlet pipe is arranged at the front end of the first silencing chamber, and an outlet pipe is arranged on the second silencing chamber; an opening is formed in the side wall, close to the inlet pipe, of the first silencing chamber, and the opening is located in the area covered by the inlet pipe; the method is characterized in that: an upper protrusion and a lower protrusion are arranged on the inner wall of the inlet pipe;
the filtering device comprises a ring body, and a filter screen is arranged on the rear side surface of the ring body; a bearing seat is arranged at the center in the ring body and connected to the inner wall of the ring body through a connecting rod, a bearing is arranged in the bearing seat, and a short rod penetrating out of the filter screen is arranged on the bearing; the short rod is provided with a brush for removing dust from the filter screen; the rear part of the ring body is provided with an upper extension strip and a lower extension strip, the top and the bottom of the ring body are respectively provided with a first sliding groove for accommodating the corresponding protrusion , the extension strips are provided with a second sliding groove for accommodating the corresponding protrusion , the first sliding groove is communicated with a second sliding groove behind the first sliding groove, the caliber of the ring body is larger than that of the opening, when the ring body leans against the side wall of the opening, the extension strips are embedded into the side wall of the first silencing chamber, the opening is provided with a motor base, the motor base is provided with a cleaning motor, a motor shaft of the cleaning motor is provided with a transmission block, the short rod and the transmission block are separable, and when the ring body leans against the side wall of the opening, the end part of the short rod is inserted into the transmission block to form transmission; a driving seat is arranged in front of the fan in the first muffling chamber, a driver is arranged on the driving seat, a telescopic rod of the driver is connected with a straight rod, the upper end and the lower end of the straight rod are respectively connected with a cross rod, the cross rods penetrate through the side wall of the first muffling chamber and then are connected with corresponding extending strips, and the cross rods are not in contact with the protrusions when moving;
the front end of the inlet pipe is provided with a section of pipe body, the caliber of the pipe body is larger than that of the ring body, the front end of the protrusion extends to the pipe body, the inlet pipe is provided with a dust outlet pipe, the dust outlet pipe is provided with a valve, the dust outlet pipe is connected with a dust removal bag, and the dust removal bag is positioned above the first anechoic chamber;
this industrial air filtration silencing equipment still includes one can be to the pipe body seals the circular separation blade.
Preferably, a moving mechanism is arranged on one side surface of the silencing chamber and is positioned on the same side of the silencing chamber; the moving mechanism comprises a moving motor, two seat bodies, a screw rod, a guide rod, a moving block, a guide block and an L-shaped rod, the moving motor is in transmission connection with the screw rod, two ends of the screw rod are arranged in bearings of the seat bodies in a penetrating mode, the guide rod is arranged between the two seat bodies, the moving block is provided with a guide hole and a screw hole, the guide rod penetrates through the guide hole, the screw rod penetrates through the screw hole, and threads of the screw rod are matched with the screw hole; the end part of the L-shaped rod in the horizontal direction is connected with the circular blocking piece, and the end part of the L-shaped rod in the vertical direction is connected with the moving block; the guide block is fixedly arranged on the outer wall of the silencing chamber II, and the transverse part of the L-shaped rod penetrates through the guide block; the circular blocking piece moves in from the side surface to seal the pipe body.
Preferably, the side wall of the pipe body is provided with a semicircular notch for the circular blocking piece to move in. Therefore, the circular blocking piece can be firmly limited in the pipe body after being moved in.
Preferably, a plurality of silencing tubes are arranged in the silencing chamber II. The silencing effect can be further improved.
Preferably, the driver is an air cylinder or an electric push rod, and can also be a linear motor.
Preferably, the part of the short rod, which is positioned at the rear side of the filter screen, is provided with a sealing ring sheet. Air is prevented from blowing out from the passing portion of the short rod as much as possible, and the air is reduced as much as possible.
Preferably, the end part of the short rod is provided with a non-circular insertion section, and the transmission block is internally provided with an inner hole matched with the insertion section in shape, so that the transmission block can be split and combined for transmission.
Preferably, the insertion section is hexagonal, the inner hole is a hexagon socket hole, and the structure is simple and reliable.
Preferably, the first silencing chamber and the second silencing chamber are both wrapped by sound insulation materials, so that the silencing effect can be further improved.
The invention also designs a working method of the industrial air filtering and silencing equipment, which comprises a filtering and silencing method and a dust removing method, and is characterized in that:
the filtering and silencing method comprises the following steps: the fan draws air inwards, the airflow with noise outside enters the inlet pipe, the filtering device filters dust in the airflow, the noise in the airflow is silenced by the first silencing chamber and the first silencing chamber after the airflow passes through the filtering device, and finally the airflow is discharged from the outlet pipe;
the dust removal method comprises the following steps: the circular separation blade seals a body, and the valve is opened, and the fan is outwards bloied, cleans the motor and drives the brush rotation and clean the dust that attaches to on the filter screen, and the fan will be swept the backward dust and blow off from a dirt pipe, and the air that has the dust is through the dirt pocket purification back, and the dust is strained in the dirt pocket, and the air blows off from the dirt pocket.
Compared with the prior art, the invention has the beneficial effects that: the equipment is arranged at an air outlet of an equipment shell generating noise or an outlet arranged on a wall body of a workshop generating noise, a fan draws air inwards, airflow carrying noise outside enters an inlet pipe, a filtering device filters dust in the airflow, the noise in the airflow is silenced by a first anechoic chamber and an anechoic chamber after the airflow passes through the filtering device, and finally the airflow is discharged from an outlet pipe, the noise of the discharged air is reduced, the air is filtered, the air quality is better, and the influence on the health of workers is prevented; the equipment has the characteristic of easy maintenance, because more dust in the industrial environment can be removed in time, the silencing effect can be influenced, especially the working capacity is reduced after the internal silencing holes are full of dust, once the dust blocks the filter screen, the airflow can not easily enter the silencing chamber, so the filter screen needs to be cleaned regularly, but the equipment is usually fixed in position after being installed and is limited in position, and the maintenance of the filter screen is very difficult, but the invention adopts the mode that the cleaning motor drives the brush to rotate to clean the dust attached to the filter screen, the circular blocking piece seals the pipe body, the valve is opened, and the fan blows out the air, the dust blown off from the filter screen can be blown out from the dust outlet pipe along with the airflow, the air with the dust is purified by the dust bag, the dust is filtered in the dust bag, and the air is blown out from the dust bag, can effectively clean the filter screen and need not dismantle the filter screen, this kind of self-cleaning's mode is very convenient, but when needs manual work overhaul, perhaps during manual work maintenance, change, restoration filter screen, can utilize the driver to outwards push whole filter equipment, push away the body department, the manual work just can get like this, can carry out corresponding maintenance, the implementation of this process has been coordinated effectively in the divisible performance of transmission block and quarter butt. The industrial air filtering and silencing equipment has the characteristics of effectively purifying air in an industrial field and being convenient to maintain.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic diagram of the construction of an industrial air filtration and noise reduction apparatus as described in example 1;
FIG. 2 is a side view of the industrial air filtration and sound abatement apparatus described in example 1;
FIG. 3 is an enlarged view of the left end of FIG. 1;
FIG. 4 is an enlarged view at A in FIG. 3;
FIG. 5 is an enlarged view at B in FIG. 3;
FIG. 6 is an enlarged view of the right end portion of FIG. 2;
FIG. 7 is a schematic view of the structure of an industrial air filtering and silencing apparatus as described in example 2;
FIG. 8 is a side view of the industrial air filtration and sound abatement apparatus described in example 2;
FIG. 9 is an enlarged view of the left end of FIG. 7;
FIG. 10 is a schematic view of a tubular body according to example 3;
FIG. 11 is a schematic view of the structure of an industrial air filtering and silencing apparatus as described in example 4;
reference numbers in the figures: the device comprises a sound attenuation chamber I1, a sound attenuation chamber II 2, a filtering device 3, a fan 4, a dust removing bag 5, a sound attenuation plate 6, an inlet pipe 7, an outlet pipe 8, an opening 9, a protrusion 10, a ring body 11, a filtering net 12, a bearing seat 13, a connecting rod 14, a short rod 15, a brush 16, an extension strip 17, a sliding groove I18, a sliding groove II 19, a cleaning motor 21, a transmission block 22, a driving seat 23, a driver 24, a straight rod 25, a cross rod 26, a pipe body 27, a dust outlet pipe 28, a valve 29, a circular baffle 30, a moving mechanism 31, a moving motor 32, a seat body 33, a screw rod 34, a guide rod 35, a moving block 36, a guide block 37, an L-shaped rod 38, a semicircular notch 39, a sound attenuation pipe 40, a.
Detailed Description
The invention is further described by way of example with reference to the accompanying drawings.
Example 1:
as shown in fig. 1 and 2, the industrial air filtering and silencing equipment described in this embodiment includes a first silencing chamber 1, a second silencing chamber 2, a filtering device 3, a fan 4 and a dust removing bag 5; the silencing chamber II 2 is positioned on the side surface of the silencing chamber I1 and communicated with the silencing chamber I; the inner walls of the first silencing chamber 1 and the second silencing chamber 2 are provided with silencing plates 6 which are fully distributed with silencing holes, and the fan 4 is positioned in the first silencing chamber 1; an inlet pipe 7 is arranged at the front end of the first silencing chamber 1, and an outlet pipe 8 is arranged on the second silencing chamber 2; the side wall of the first silencing chamber 1 close to the inlet pipe 7 is provided with an opening 9, and the opening 9 is positioned in the area covered by the inlet pipe 7; the method is characterized in that: an upper protrusion 10 and a lower protrusion are arranged on the inner wall of the inlet pipe 7;
as shown in fig. 3, 4 and 6, the filtering device 3 includes a ring body 11, and a filtering net 12 is disposed on the rear side of the ring body 11; a bearing seat 13 is arranged at the center in the ring body 11, the bearing seat 13 is connected to the inner wall of the ring body 11 through a connecting rod 14, a bearing is arranged in the bearing seat 13, and a short rod 15 penetrating through the filter screen 12 is arranged on the bearing; a brush 16 for removing dust from the filter screen 12 is arranged on the short rod 15; an upper extension strip 17 and a lower extension strip 17 are arranged at the rear part of the ring body 11, a first sliding groove 18 for accommodating the corresponding protrusion 10 is arranged at the top and the bottom of the ring body 11, a second sliding groove 19 for accommodating the corresponding protrusion 10 is arranged on the extension strip 17, the first sliding groove 18 is communicated with the second sliding groove 19 behind the first sliding groove 18, the caliber of the ring body 11 is larger than that of the opening 9, when the ring body 11 leans against the side wall of the opening 9, the extension strip 17 is embedded into the side wall of the first muffling chamber 1, and the opening 9 can be sealed by the filter screen 12 to play a role in filtering; as shown in fig. 1 and 5, a motor base is arranged at the opening 9, a cleaning motor 21 is arranged on the motor base, a transmission block 22 is arranged on a motor shaft of the cleaning motor 21, the short rod 15 and the transmission block 22 are separable, and when the ring body 11 leans against the side wall of the opening 9, the end part of the short rod 15 is inserted into the transmission block 22 to form transmission; a driving seat 23 is arranged in front of the fan 4 in the anechoic chamber I1, a driver 24 is arranged on the driving seat 23, a telescopic rod of the driver 24 is connected with a straight rod 25, the upper end and the lower end of the straight rod 25 are respectively connected with a cross rod 26, the cross rod 26 penetrates through the side wall of the anechoic chamber I1 and then is connected with a corresponding extending strip 17, and the cross rod 26 is not in contact with the protrusion 10 when moving;
the front end of the inlet pipe 7 is provided with a section of pipe body 27, the caliber of the pipe body 27 is larger than that of the ring body 11, the front end of the protrusion 10 extends to the position of the pipe body 27, the inlet pipe 7 is provided with a dust outlet pipe 28, the dust outlet pipe 28 is provided with a valve 29, the dust outlet pipe 28 is connected with a dust removal bag 5, and the dust removal bag 5 is positioned above the first anechoic chamber 1;
the industrial air filtering and silencing equipment also comprises a circular baffle 30 which can seal the pipe body 27; in this embodiment, the circular blocking piece 30 is manually installed and manually disassembled, and is manually installed when reverse blowing is needed for dust removal, and is manually disassembled after removal.
Specifically, the driver 24 may be an air cylinder, an electric push rod, or a linear motor.
The sealing ring sheet 41 is arranged at the part of the short rod 15, which is positioned at the rear side of the filter screen 12, so that air can be prevented from being blown out from the passing part of the short rod as much as possible, and the air can be reduced as much as possible.
The end of the short rod 15 is provided with a non-circular insertion section 42, and the transmission block 22 is provided with an inner hole matched with the insertion section 42 in shape, and can be divided and combined for transmission. The insertion section 42 is hexagonal, and the inner hole is a hexagon socket hole, so that the structure is simple and reliable. The insertion section 42 may also be rectangular parallelepiped, and the inner hole may also be a square hole.
The inner walls of the first silencing chamber 1 and the second silencing chamber 2 can be made of sound insulation materials, or the sound insulation materials wrap the outside of the first silencing chamber 1 and the second silencing chamber 2, so that the silencing effect is improved.
The invention also designs a working method of the industrial air filtering and silencing equipment, which comprises a filtering and silencing method and a dust removing method, and is characterized in that:
the filtering and silencing method comprises the following steps: the fan 4 draws air inwards, the valve is in a closed state, the air flow with noise outside enters the inlet pipe 7, the filter device 3 filters dust in the air flow, and after the air flow passes through the filter device 3, the noise in the air flow is silenced by the silencing chamber I1 and the silencing chamber II 2 and is finally discharged from the outlet pipe 8;
the dust removal method comprises the following steps: the circular blocking piece 30 is sealed and positioned on the pipe body 27, the valve 29 is opened, the fan 4 blows air outwards, the cleaning motor 21 drives the brush 16 to rotate to clean dust attached to the filter screen 12, the dust after being cleaned is blown out from the dust outlet pipe 28 by the fan 4, air with dust is filtered in the dust removal bag 5 after the air is purified by the dust removal bag 5, and the air is blown out from the dust removal bag 5.
Compared with the prior art, the industrial air filtering and silencing equipment has the advantages that: the equipment is arranged at an air outlet of an equipment shell generating noise or an outlet arranged on a wall body of a workshop generating noise, a fan 4 draws air inwards, airflow with noise carried outside enters an inlet pipe 7, a filtering device 3 filters dust in the airflow, the noise in the airflow is silenced by a silencing chamber I1 and a silencing chamber II 2 after the airflow passes through the filtering device 3, and finally the airflow is discharged from an outlet pipe 8, the noise of the discharged air is reduced, the air is filtered, the air quality is better, and the influence on the health of workers is prevented; the equipment has the characteristic of easy maintenance, because more dust in the industrial environment can be removed in time, the silencing effect is influenced, especially the working capacity is reduced after the inner silencing holes are full of dust, once the dust blocks the filter screen, the airflow is not easy to enter the silencing chamber, the filter screen needs to be cleaned regularly, but the equipment is usually fixed in position after being installed and is limited in position, and the maintenance of the filter screen is not easy, but the invention adopts that the cleaning motor 21 drives the brush 16 to rotate to clean the dust attached to the filter screen 12, the pipe body 27 is sealed by the circular baffle 30, the valve 29 is opened, on the premise that the fan 4 blows out, the dust blown from the filter screen 12 can be blown out from the dust outlet pipe 28 along with the airflow, the air with the dust is purified by the dust removing bag 5, the dust is filtered in the dust removing bag 5, and the air is blown out from the dust removing bag 5, such a mode, can effectively clean the filter screen and need not dismantle the filter screen, this kind of self-cleaning's mode is very convenient, but when needs manual work overhaul, or manual maintenance, change, when restoreing the filter screen, can utilize the driver to outwards push whole filter equipment, push away to the barrel, the manual work just can be enough like this, can carry out corresponding maintenance, the separable and closeable performance of transmission piece and quarter butt has cooperated the implementation of this process effectively, in addition when ring body 11 shifts out, finally rely on the mode that second 19 of spout is spacing in protruding muscle to make filter equipment 3 still be in comparatively fixed position, extension strip 17 plays the effect that sets up second 19 of spout and connect the horizontal pole. The industrial air filtering and silencing equipment has the characteristics of effectively purifying air in an industrial field and being convenient to maintain
Example 2
Referring to fig. 7, 8 and 9, the industrial air filtering and silencing equipment of the present embodiment is different from embodiment 1 in that the circular baffle 30 adopts an automatic opening and closing technology, and the difference between the scheme and embodiment 1 is: a moving mechanism 31 is arranged on the side surface of the first silencing chamber 1, and the moving mechanism 31 is positioned on the same side of the second silencing chamber 2; the moving mechanism 31 comprises a moving motor 32, two seat bodies 33, a screw rod 34, a guide rod 35, a moving block 36, a guide block 37 and an L-shaped rod 38, wherein the moving motor 32 is in transmission connection with the screw rod 34, two ends of the screw rod 34 are arranged in bearings of the seat bodies 33 in a penetrating manner, the guide rod 35 is arranged between the two seat bodies 33, the moving block 36 is provided with a guide hole and a screw hole, the guide rod 35 penetrates through the guide hole, the screw rod 34 penetrates through the screw hole, and threads of the screw rod 34 are matched with the screw hole; the L-shaped rod 38 is connected with the circular baffle 30 at the end part in the horizontal direction and connected with the moving block 36 at the end part in the vertical direction; the guide block 37 is fixedly arranged on the outer wall of the anechoic chamber II 2, and the transverse part of the L-shaped rod 38 penetrates through the guide block 37; the circular stopper 30 is moved in from the side to seal the tube 27 and seal the tube outlet.
The work of the moving motor 32 in the moving mechanism 31 can drive the lead screw 34 to rotate, the lead screw 34 rotates, and then the moving block 36 moves due to the matching effect of the threads, and the L-shaped rod 38 is connected with the moving block 36, so that the L-shaped rod 38 also moves along with the lead screw, and the circular blocking piece 30 at the end part of the L-shaped rod 38 is driven to move into the sealed pipe body or open from the side surface. In the case of more dust, the automatic scheme of the embodiment is more advantageous.
Example 3
Referring to fig. 10, the difference between the industrial air filtering and silencing equipment of this embodiment and embodiment 2 is that the circular baffle 30 can be moved into the pipe body instead of being sealed at the outlet of the pipe body, and its solution is different from embodiment 2 in that: the side wall of the tube body 27 is provided with a semicircular gap 39 for the circular baffle 30 to move into. Thus, the circular baffle 30 can be firmly limited in the tube body after being moved in.
Example 4
As shown in fig. 11, the industrial air filtering and silencing equipment of the present embodiment is different from embodiments 1, 2 and 3 in that the silencing effect can be further improved, that is, the silencing chamber two 2 is additionally provided with a plurality of silencing pipes 40, and the silencing pipes 40 can further improve the silencing effect.

Claims (10)

1. An industrial air filtering and silencing device comprises a silencing chamber I (1), a silencing chamber II (2), a filtering device (3), a fan (4) and a dust removal bag (5); the silencing chamber II (2) is positioned on the side surface of the silencing chamber I (1) and communicated with the silencing chamber I; the inner walls of the first silencing chamber (1) and the second silencing chamber (2) are provided with silencing plates (6) which are fully distributed with silencing holes, and the fan (4) is positioned in the first silencing chamber (1); an inlet pipe (7) is arranged at the front end of the first silencing chamber (1), and an outlet pipe (8) is arranged on the second silencing chamber (2); an opening (9) is formed in the side wall, close to the inlet pipe (7), of the first silencing chamber (1), and the opening (9) is located in the area covered by the inlet pipe (7); the method is characterized in that: the inner wall of the inlet pipe (7) is provided with an upper convex and a lower convex (10);
the filtering device (3) comprises a ring body (11), and a filter screen (12) is arranged on the rear side surface of the ring body (11); a bearing seat (13) is arranged at the center in the ring body (11), the bearing seat (13) is connected to the inner wall of the ring body (11) through a connecting rod (14), a bearing is arranged in the bearing seat (13), and a short rod (15) penetrating through the filter screen (12) is arranged on the bearing; a brush (16) for removing dust from the filter screen (12) is arranged on the short rod (15); the rear portion of ring body (11) is equipped with two upper and lower extension strip (17), all be equipped with spout one (18) that hold corresponding protruding (10) at the top of ring body (11) and bottom, be equipped with spout two (19) that hold corresponding protruding (10) on extension strip (17), spout one (18) communicate with each other with spout two (19) at its rear, ring body (11) bore is greater than trompil (9) bore, when ring body (11) leans on the lateral wall of trompil (9), extension strip (17) imbed in the lateral wall of amortization room one (1), be equipped with motor cabinet (20) in trompil (9) department, be equipped with on motor cabinet (20) and clean motor (21), be equipped with on the motor shaft of cleaning motor (21) transmission piece (22), short pole (15) and transmission piece (22) are separable, when ring body (11) leaned on the lateral wall of trompil (9), the end part of the short rod (15) is inserted into the transmission block (22) and forms transmission; a driving seat (23) is arranged in front of the fan (4) in the first muffling chamber (1), a driver (24) is arranged on the driving seat (23), a telescopic rod of the driver (24) is connected with a straight rod (25), the upper end and the lower end of the straight rod (25) are respectively connected with a cross rod (26), the cross rod (26) penetrates through the side wall of the first muffling chamber (1) and then is connected with a corresponding extending strip (17), and the cross rod (26) is not in contact with the protrusion (10) when moving;
the front end of the inlet pipe (7) is provided with a section of pipe body (27), the caliber of the pipe body (27) is larger than that of the ring body (11), the front end of the protrusion (10) extends to the pipe body (27), the inlet pipe (7) is provided with a dust outlet pipe (28), the dust outlet pipe (28) is provided with a valve (29), the dust outlet pipe (28) is connected with the dust removal bag (5), and the dust removal bag (5) is positioned above the first anechoic chamber (1);
the industrial air filtering and silencing equipment also comprises a circular baffle (30) which can seal the pipe body (27).
2. The industrial air filtration noise abatement apparatus of claim 1, wherein: a moving mechanism (31) is arranged on the side surface of the first silencing chamber (1), and the moving mechanism (31) is positioned on the same side of the second silencing chamber (2); the moving mechanism (31) comprises a moving motor (32), two base bodies (33), a screw rod (34), a guide rod (35), a moving block (36), a guide block (37) and an L-shaped rod (38), the moving motor (32) is in transmission connection with the screw rod (34), two ends of the screw rod (34) are arranged in bearings of the base bodies (33) in a penetrating mode, the guide rod (35) is arranged between the two base bodies (33), the moving block (36) is provided with a guide hole and a screw hole, the guide rod (35) penetrates through the guide hole, the screw rod (34) penetrates through the screw hole, and threads of the screw rod (34) are matched with the screw hole; the L-shaped rod (38) is connected with the circular baffle plate (30) at the end part in the horizontal direction and is connected with the moving block (36) at the end part in the vertical direction; the guide block (37) is fixedly arranged on the outer wall of the anechoic chamber II (2), and the transverse part of the L-shaped rod (38) penetrates through the guide block (37); the round baffle plate (30) moves in from the side to seal the tube body (27).
3. The industrial air filtration noise abatement apparatus of claim 2, wherein: the side wall of the pipe body (27) is provided with a semicircular gap (39) for the circular baffle sheet (30) to move in.
4. The industrial air filtration noise abatement apparatus of claim 1, wherein: a plurality of silencing tubes (40) are arranged in the silencing chamber II (2).
5. The industrial air filtration noise abatement apparatus of claim 1, wherein: the driver (24) is an air cylinder or an electric push rod.
6. The industrial air filtration noise abatement apparatus of claim 1, wherein: the part of the short rod (15) positioned at the rear side of the filter screen (12) is provided with a sealing ring piece (41).
7. The industrial air filtration noise abatement apparatus of claim 1, wherein: the end part of the short rod (15) is provided with a non-circular insertion section (42), and an inner hole matched with the insertion section (42) in shape is arranged in the transmission block (22).
8. The industrial air filtration noise abatement apparatus of claim 7, wherein: the insertion section (42) is hexagonal, and the inner hole is a hexagon socket.
9. The industrial air filtration noise abatement apparatus of claim 1, wherein: the outside of the first silencing chamber (1) and the outside of the second silencing chamber (2) are both wrapped by sound insulation materials.
10. A method of operating the industrial air filtering and silencing equipment as claimed in any one of claims 1 to 9, comprising a filtering and silencing method and a dust removing method, wherein:
the filtering and silencing method comprises the following steps: the fan (4) draws air inwards, the airflow with noise outside enters the inlet pipe (7), the filtering device (3) filters dust in the airflow, and after the airflow passes through the filtering device (3), the noise in the airflow is silenced by the silencing chamber I (1) and the silencing chamber II (2), and finally the airflow is discharged from the outlet pipe (8);
the dust removal method comprises the following steps: the circular blocking piece (30) is sealed and positioned on the pipe body (27), the valve (29) is opened, the fan (4) blows air outwards, the cleaning motor (21) drives the brush (16) to rotate to clean dust attached to the filter screen (12), the fan (4) blows out the dust after being cleaned from the dust outlet pipe (28), the air with the dust is purified by the dust removing bag (5), the dust is filtered in the dust removing bag (5), and the air blows out from the dust removing bag (5).
CN201911248337.3A 2019-12-09 2019-12-09 Industrial air filtering and silencing equipment and working method thereof Active CN111043744B (en)

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CN113639366A (en) * 2021-07-07 2021-11-12 清宁(天津)环境科技发展有限公司 Fixed type air cleaning machine

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JPH06159752A (en) * 1992-11-27 1994-06-07 Shinko Kogyo Co Ltd Fan filter device for clean room
JP2008116158A (en) * 2006-11-07 2008-05-22 Matsushita Electric Ind Co Ltd Ventilation device
JP2010156482A (en) * 2008-12-26 2010-07-15 Daikin Ind Ltd Drain pan cleaning device and air conditioner equipped with the same
CN205690592U (en) * 2016-06-07 2016-11-16 浙江普瑞泰环境设备有限公司 Backwashing self-cleaning purifies ventilation unit
CN107965851A (en) * 2017-12-23 2018-04-27 东莞唯度电子科技服务有限公司 One kind is easy to clean air purifier
CN207831632U (en) * 2018-01-04 2018-09-07 南安市凯迪针织服饰有限公司 A kind of central air-conditioning inlet dust removing device for air
CN108355418A (en) * 2018-04-24 2018-08-03 苏州逸新和电子有限公司 A kind of new type purification filter
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