CN110559752A - dust collector of cotton processing - Google Patents
dust collector of cotton processing Download PDFInfo
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- CN110559752A CN110559752A CN201910739483.XA CN201910739483A CN110559752A CN 110559752 A CN110559752 A CN 110559752A CN 201910739483 A CN201910739483 A CN 201910739483A CN 110559752 A CN110559752 A CN 110559752A
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- dust
- filter screen
- suction nozzle
- dust filtering
- filtering
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/02—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising gravity
-
- 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
-
- 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
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/20—Combinations of devices covered by groups B01D45/00 and B01D46/00
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01B—MECHANICAL TREATMENT OF NATURAL FIBROUS OR FILAMENTARY MATERIAL TO OBTAIN FIBRES OF FILAMENTS, e.g. FOR SPINNING
- D01B1/00—Mechanical separation of fibres from plant material, e.g. seeds, leaves, stalks
- D01B1/02—Separating vegetable fibres from seeds, e.g. cotton
- D01B1/04—Ginning
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
the invention belongs to the technical field of cotton processing equipment, and particularly relates to a dust removal device for cotton processing. The dust removal device comprises a dust filtering mechanism, a dust suction mechanism, a dust return processing mechanism and a bracket for fixing the dust filtering mechanism; the dust filtering mechanism is a cavity with a filter screen structure arranged on one side, a porous partition plate and a first filter screen are sequentially arranged in the cavity along the vertical direction, and the porous partition plate and the first filter screen divide the interior of the dust filtering mechanism into a settling cavity, a primary dust filtering cavity and a secondary dust filtering cavity; the dust collection mechanism comprises a first suction nozzle, a first dust collection pipe, a second suction nozzle and a second dust collection pipe, wherein the first suction nozzle and the first dust collection pipe are arranged in the primary dust filtration chamber; the dust return processing mechanism comprises a primary dust return box and a secondary dust return processing mechanism. The invention has smart design, effectively ensures the treatment effect of the dust-containing air through graded filtration, graded dust absorption and graded dust return treatment, and is particularly suitable for the production condition with large treatment capacity of the dust-containing air in the mechanical cotton picking production.
Description
Technical Field
The invention belongs to the technical field of cotton processing equipment, and particularly relates to a dust removal device for cotton processing.
background
In the cotton processing industry, the mechanical cotton picking processing technology has the remarkable advantages of high efficiency, low cost and high yield, is rapidly popularized in the Xinjiang cotton area, particularly in Xinjiang to produce and build a cotton cluster planting field of a war group, the coverage rate of mechanical cotton picking reaches over 90 percent, the cotton picking efficiency is greatly improved, and the problem of increasingly tense labor shortage is effectively solved. However, because of the existence of a large amount of cotton stalks, cotton leaves, dead leaves, silt and other impurities in the machine-harvested cotton, the impurities can form dust-containing gas in the subsequent cotton processing process, and if the impurities are directly discharged, serious environmental pollution is easily caused. In the prior art, a commonly used dust removal device is a cyclone dust removal device, but the cyclone has the problems of large wind resistance and low effective fiber recovery rate; some cotton ginning enterprises try to use a dust removal unit to replace a shack cage for dust removal, but because of the characteristics of large impurities and large air handling capacity of mechanically harvested seed cotton, a high-cost-performance dust removal product suitable for mechanically harvested cotton processing is not found at present.
the inventor previously applies for invention patents aiming at the problems existing in the dust removal process in the mechanical cotton picking processing, and discloses a dust removal device comprising a dust filtration mechanism and a dust collection mechanism, which can quickly and efficiently filter dust-containing air in the cotton processing process, can conveniently recover effective fibers and improve the cotton yield; however, the air handling capacity of the device still cannot meet the requirement of large-scale cotton production, and the plush filter material of the secondary filter device is easy to harden, so that the filter material fails.
Disclosure of Invention
In order to solve the problem of dust removal in the current mechanical cotton picking processing technology, the invention aims to provide a dust removal device for cotton processing, which can meet the requirement of large-scale mechanical cotton picking production, can effectively improve the service life of a filter device, and is suitable for popularization and application.
In order to achieve the technical purpose, the invention adopts the following technical scheme:
A dust removal device for cotton processing comprises a dust filtering mechanism, a dust suction mechanism, a dust return processing mechanism and a bracket for fixing the dust filtering mechanism;
the dust filtering mechanism is a cavity with a filter screen structure arranged on one side, a porous partition plate and a first filter screen are sequentially arranged in the cavity along the vertical direction, the porous partition plate and the first filter screen divide the interior of the dust filtering mechanism into a settling cavity, a primary dust filtering cavity and a secondary dust filtering cavity, the porous partition plate is positioned between the settling cavity and the primary dust filtering cavity, and the first filter screen is positioned between the primary dust filtering cavity and the secondary dust filtering cavity; cover plates are arranged at the tops of the settling chamber, the primary dust filtering chamber and the secondary dust filtering chamber; an air inlet pipe for dust-containing air to enter is arranged on the cover plate of the settling chamber; the side wall of the secondary dust filtering chamber far away from the primary dust filtering chamber is provided with a second filter screen, and a filter material is attached to the second filter screen; the bottom parts of the settling chamber, the primary dust filtering chamber and the secondary dust filtering chamber are provided with dust outlets;
The dust collection mechanism comprises a first suction nozzle, a first dust collection pipe, a second suction nozzle and a second dust collection pipe, wherein the first suction nozzle and the first dust collection pipe are arranged in the primary dust filtration chamber; the first suction nozzle extends along the first filter screen and is rotatably connected with the first filter screen; one end of the first dust suction pipe is in sealed rotary connection with the first suction nozzle, and the other end of the first dust suction pipe penetrates through a cover plate at the top of the primary dust filtering chamber and is communicated with the dust return processing mechanism; the second suction nozzle extends along the second filter screen and is rotatably connected with the second filter screen; one end of the second dust suction pipe is connected with the second suction nozzle in a sealing and rotating way, and the other end of the second dust suction pipe penetrates through a cover plate at the top of the secondary dust filtering chamber to be communicated with the dust return processing mechanism; fans are arranged on the first dust collection pipe and the second dust collection pipe;
The dust return processing mechanism comprises a primary dust return box and a secondary dust return processing mechanism; the primary dust return box is fixedly arranged on the outer side of the settling chamber or the primary dust filtering chamber; the top of the primary dust return box is provided with a first exhaust channel which is communicated with a cover plate of the secondary dust filtering chamber; the secondary dust return processing mechanism comprises a dust filtering box, a third suction nozzle, an air pipe and a secondary dust return box; the side wall of the dust filtering box is provided with a third filter screen; the third suction nozzle extends along the third filter screen and is rotatably connected with the third filter screen; one end of the air pipe is in sealed rotary connection with the third suction nozzle, and the other end of the air pipe penetrates through the top of the dust filtering box and is communicated with the secondary dust return box; a fan is arranged in the air pipe; the top of the secondary dust return box is provided with a second exhaust channel which is communicated with the top of the dust filtering box; in the dust collection mechanism, a first dust collection pipe is communicated with a primary dust return box, and a second dust collection pipe is communicated with the top of a dust filter box; the bottom of the first-stage dust return box and the bottom of the second-stage dust return box are both provided with a sand discharge port.
Preferably, a first rotating seat is arranged on the first filter screen; the first rotating seat comprises a first rotating shaft and a first base for supporting the first rotating shaft; the first base is fixedly connected with the first filter screen; one end of the first rotating shaft is connected with the first suction nozzle, and the other end of the first rotating shaft penetrates through the first filter screen and is connected with a motor arranged on the first filter screen; the second filter screen is provided with a second rotating seat, and the second rotating seat comprises a second rotating shaft and a second base used for supporting the second rotating shaft; the second base is fixedly connected with a second filter screen; one end of the second rotating shaft is connected with the second suction nozzle, and the other end of the second rotating shaft penetrates through the second filter screen and is connected with a motor arranged on the second filter screen; the first rotating shaft and the second rotating shaft are driven to rotate through the motor, the first suction nozzle and the second suction nozzle are driven to rotate, the first suction nozzle makes circular motion around the first rotating shaft, and the second suction nozzle makes circular motion around the second rotating shaft, so that impurities attached to the first filter screen and the second filter screen are sucked and removed under the action of negative pressure generated by the fan.
Preferably, the second filter screen is a steel plate screen; a plurality of filter cylinders which are concentrically arranged are arranged on the inner side of the second filter screen, and a dust filtering channel for air to pass through is formed between every two adjacent filter cylinders; the second suction nozzle extends into the dust filtering channel corresponding to the dust filtering channel to form a plurality of dust collecting pipes, and the side wall of each dust collecting pipe extending into the dust filtering channel is provided with a suction hole; the filtering area of the secondary dust filtering cavity can be effectively increased by arranging the dust filtering channel, and the filtering efficiency is improved.
Preferably, the filter cylinder is a steel screen with filter materials attached, so that the support strength of the filter cylinder is guaranteed, and the effect of filtering fine particles carried in the air can be realized.
preferably, the third filter screen is a steel plate screen or a steel wire screen attached with a filter material; a plurality of filter cylinders which are concentrically arranged are arranged on the inner side of the third filter screen, and a dust filtering channel for air to pass through is formed between the adjacent filter cylinders; the third suction nozzle extends into the dust filtering channel corresponding to the dust filtering channel to form a plurality of dust collecting pipes, and the side wall of each dust collecting pipe extending into the dust filtering channel is provided with a suction hole; the third suction nozzle is rotatably connected with the third filter screen through a third rotating seat arranged on the third filter screen.
Preferably, the dust outlets of the settling chamber, the primary dust filtering chamber and the secondary dust filtering chamber extend downwards and inwards to form a hopper-shaped structure; the bottom of the bucket-shaped structure is provided with a packing auger along the horizontal direction; a rotating shaft of the packing auger is fixedly connected with the side wall of the bucket-shaped structure, and a motor is arranged at the end part of the packing auger and drives the packing auger to rotate through the motor; the dust outlet is positioned below the packing auger.
Preferably, the upper parts of the primary dust return box and the secondary dust return box are cylindrical, and the lower parts of the primary dust return box and the secondary dust return box are conical; the sand discharge port is positioned at the conical bottom ends of the first-stage dust return box and the second-stage dust return box, and a valve for controlling the opening and closing of the sand discharge port is arranged at the sand discharge port.
Preferably, the first filter screen is a steel wire mesh; one side of the steel wire mesh is provided with a support frame for supporting the steel wire mesh; the upper end and the lower end of the support frame are respectively fixedly connected with the cover plate and the bottom of the primary dust filtering chamber; the steel wire mesh with the support frame can guarantee the support strength, can guarantee gas to pass through, and achieves classified filtration of dust-containing air.
further preferably, a brush is further arranged on the first suction nozzle.
preferably, the side wall of the settling chamber is also provided with a plurality of baffles; the speed of the airflow entering the settling chamber is further changed by arranging the baffle, so that the preliminary dust removal of the dust-containing air is realized.
When the dust-containing air purifier is used, dust-containing air enters the settling chamber from the air inlet pipe, and after impurities such as larger cotton stalks, cotton leaves and the like in the air collide with the side wall of the chamber and the baffle plate, the impurities fall into the dust outlet at the bottom of the settling chamber under the action of gravity; the dust-containing air subjected to primary impurity removal enters a primary dust filtering chamber through holes in a porous partition plate; in the first-stage dust filtering chamber, dust and sand with larger particles carried in the air are intercepted by the first filter screen, and the air penetrating through the first filter screen enters the second-stage dust filtering chamber for secondary filtering; finally, fine dust in the air is adsorbed by the filter materials attached to the second filter screen, and the air after being filtered for multiple times enters the surrounding environment through gaps among the filter materials; and the impurities falling into the bottom of the settling chamber, the primary dust filtering chamber and the secondary dust filtering chamber are discharged out of the dust removing device through the dust outlet by the auger, so that the centralized treatment is facilitated.
After the dust removal device operates for a period of time, cotton fibers and dust can be attached to the first filter screen and the second filter screen, so that the ventilation quantity in the dust filtering mechanism is reduced, and the filtering speed is reduced; starting the motor to enable the first suction nozzle and the second suction nozzle to respectively do circular motion along the first filter screen and the second filter screen; the cotton fiber impurities attached to the first filter screen are absorbed by the first suction nozzle under the action of negative pressure generated by the fan and then are conveyed to the primary dust return box through the first dust absorption pipe, after the impurities carried in the gas in the primary dust return box collide with the side wall of the box body, the cotton fibers or larger dust particles are gradually stalled, fall into a sand discharge port at the bottom end of the primary dust return box under the action of gravity and are discharged through a valve; the return air subjected to primary impurity removal enters the secondary dust filtering chamber again through the first exhaust channel, so that the small particle dust which is not settled is prevented from entering the ambient air; the small particle dust in the filter material attached to the filter cylinder or the second filter screen is conveyed to the secondary dust return treatment mechanism through the second dust collection pipe; after being treated by the secondary dust return treatment mechanism, the finally treated air is discharged into the surrounding environment through a third filter screen of the dust filtering box.
the invention has the beneficial effects that:
1) The dust-containing air is filtered in a grading way, and a settling chamber is arranged in front of the first-stage dust filtering chamber and the second-stage dust filtering chamber, so that large-particle impurities carried in the air are coarsely separated, and the dust removal efficiency is improved;
2) Dust collection mechanisms are arranged in each stage of dust filtration chambers of the dust filtration mechanisms, so that small particle dust impurities intercepted and adsorbed by the dust filtration mechanisms are removed, and the filtering and impurity removing effects of the dust filtration mechanisms on dust-containing air are ensured;
3) The impurities collected by the dust collection mechanism are recycled in a grading manner, and an independent secondary dust return treatment mechanism is arranged, so that not only is small particle dust which is not completely settled prevented from being directly discharged out of the device avoided, but also the hardening and failure caused by the excessive use of a filter material in a secondary dust filtering chamber can be avoided, the integral dust removal effect of the dust removal device is ensured, and the service life of the device is prolonged;
4) the invention has smart design, the dust filtering channel consisting of the multiple layers of filter cylinders is arranged in the secondary dust filtering chamber and the dust filtering box, the filter screen areas in the secondary dust filtering chamber and the dust filtering box are effectively increased, the integral filtering efficiency of the dust removing device is improved, and the dust removing device is suitable for the actual situation of large dust-containing air handling capacity in the production of mechanical cotton picking.
Drawings
FIG. 1 is a schematic view showing the construction of a dust removing apparatus of the present invention in embodiment 1;
FIG. 2 is a left side view of FIG. 1 with the stent removed;
FIG. 3 is a schematic view showing the construction of a dust removing apparatus in embodiment 2;
FIG. 4 is a schematic view of a dust filtration chamber formed by a filter cartridge on the second filter screen of FIG. 3;
FIG. 5 is a cross-sectional view taken along line AA' of FIG. 4;
fig. 6 is a schematic structural view of a dust filtration chamber formed by the filter cartridge in embodiment 3.
Detailed Description
The present invention will be described in further detail with reference to specific examples. It should be noted that the terms "upper", "lower", "top", "bottom", "inside", and the like in the embodiments are only used to clarify the relative positional relationship of the respective structures, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof are considered to be within the scope of the present invention without substantial changes in the technical contents.
example 1
A dust removal device for cotton processing is shown in figures 1 and 2 and comprises a dust filtering mechanism, a dust suction mechanism, a dust return processing mechanism and a bracket 8 for fixing the dust filtering mechanism;
The dust filtering mechanism is a chamber with a filter screen structure arranged on one side, a porous partition plate 101 and a first filter screen 201 are sequentially arranged in the chamber along the vertical direction, the porous partition plate 101 and the first filter screen 201 divide the interior of the dust filtering mechanism into a settling chamber 1, a primary dust filtering chamber 2 and a secondary dust filtering chamber 3, wherein the porous partition plate 101 is positioned between the settling chamber 1 and the primary dust filtering chamber 2, and the first filter screen 201 is positioned between the primary dust filtering chamber 2 and the secondary dust filtering chamber 3; the top parts of the settling chamber 1, the primary dust filtering chamber 2 and the secondary dust filtering chamber 3 are provided with cover plates 10; an air inlet pipe 11 for dust-containing air to enter is arranged on a cover plate 10 of the settling chamber 1; a plurality of porous baffles which are sequentially arranged in the vertical direction and are inclined downwards are fixedly arranged in the side wall of the settling chamber 1, and the speed of air flowing into the settling chamber 1 is changed by arranging the baffles, so that the primary separation of larger impurities in the dust-containing air is realized; the side wall of the secondary dust filtering chamber 3 far away from the primary dust filtering chamber 2 is provided with a second filter screen 301; in this embodiment, the first filter screen 201 is a steel wire mesh, and a steel frame for supporting the steel wire mesh is fixedly arranged on one side of the steel wire mesh; the top of the steel frame is connected with the cover plate 10, the bottom of the steel frame is connected with the bottom of the primary dust filtration chamber 2, and the strength of the steel wire mesh is ensured by arranging the steel frame; the second filter screen 301 is a steel screen, a plush filter material is fixed on the inner side of the steel screen through bolts, and dust-containing air entering the dust removal device finally enters ambient air through gaps in the plush filter material.
The bottom parts of the settling chamber 1, the primary dust filtering chamber 2 and the secondary dust filtering chamber 3 are provided with dust outlets 12, and the bottom parts of the dust outlets 12 extend downwards and inwards to form a hopper-shaped structure; the packing auger 121 is arranged at the bottom of the hopper-shaped structure along the horizontal direction; a rotating shaft of the packing auger 121 is fixedly connected with the side wall of the hopper-shaped structure, a motor is arranged at the end part of the packing auger 121, and the packing auger 121 is driven to rotate at the bottom of the hopper-shaped structure by the motor; therefore, impurities falling into the bottoms of the settling chamber 1, the primary dust filtering chamber 2 and the secondary dust filtering chamber 3 are discharged from the dust outlet 12 below the packing auger 121.
The dust suction mechanism comprises a first suction nozzle 41, a first dust suction pipe 42, a second suction nozzle 51 and a second dust suction pipe 52 which are arranged in the primary dust filtering chamber 2, and are arranged in the secondary dust filtering chamber 3;
the first suction nozzle 41 extends along the first filter screen 201, and a first rotating seat is arranged on the first filter screen 201; the first rotating base comprises a first rotating shaft 44 and a first base 43 sleeved on the first rotating shaft 44 and used for supporting the first rotating shaft 44; the first base 43 is fixedly connected with the first filter screen 201; one end of the first rotating shaft 44 is connected with the first suction nozzle 41, the other end of the first rotating shaft 44 passes through the first filter screen 201 and is connected with a motor arranged on the first filter screen 201, and the motor drives the first rotating shaft 44 to rotate, so that the first suction nozzle 41 is driven to rotate, and the rotatable connection between the first suction nozzle 41 and the first filter screen 201 is realized; one end of the first dust suction pipe 42 is connected with the first suction nozzle 41 in a sealing and rotating way, and the other end of the first dust suction pipe 42 passes through the cover plate 10 at the top of the primary dust filtering chamber 2 and is communicated with the dust return processing mechanism;
the second suction nozzle 51 extends along the second filter screen 301, a second rotating base is arranged on the second filter screen 301, and the second rotating base comprises a second rotating shaft 54 and a second base 53 sleeved on the second rotating shaft 54 and used for supporting the second rotating shaft 54; the second base 53 is fixedly connected with the second filter screen 301, one end of the second rotating shaft 54 is connected with the second suction nozzle 51, the other end of the second rotating shaft 54 passes through the second filter screen 301 and is connected with a motor arranged on the second filter screen 301, and the motor drives the second suction nozzle 51 to rotate so as to realize the rotatable connection between the second suction nozzle 51 and the second filter screen 301; one end of the second dust suction pipe 52 is connected with the second suction nozzle 51 in a sealing and rotating way, and the other end of the second dust suction pipe 52 passes through the cover plate 10 at the top of the secondary dust filtering chamber 3 and is communicated with the dust return processing mechanism; fans are arranged on the first dust suction pipe 42 and the second dust suction pipe 52 close to the dust return processing mechanism;
In the embodiment, the first suction nozzle 41 and the second suction nozzle 51 are cross-shaped structures formed by intersecting two long-slit suction nozzles, and the inside of each cross-shaped structure is communicated with each other, and the center position of each cross-shaped structure is connected with the first rotating shaft 44 or the second rotating shaft 54; the first suction nozzle 41 and the second suction nozzle 51 can also be in a straight-line structure, a Chinese-character-mi structure and the like, and the technical scheme can achieve the same technical effects as the embodiment; the first suction nozzle 41 and the second suction nozzle 51 are provided with a hairbrush 9, and the hairbrush 9 is contacted with the surfaces of the first filter screen 201 and the second filter screen 301; in the rotation process of the first suction nozzle 41 and the second suction nozzle 51, the brush 9 firstly brushes off impurities attached to the filter screen, and the impurities are sucked by the first suction nozzle 41 or the second suction nozzle 51, so that the removing effect of the attachments on the filter screen of the dust filtering mechanism can be effectively improved.
The dust return treatment mechanism comprises a primary dust return box 6 fixedly arranged on the outer side wall of the settling chamber 1 and a secondary dust return treatment mechanism fixedly arranged on the ground;
The upper part of the first-stage dust return box 6 is cylindrical, the lower part is conical, the sand discharge port 61 is arranged at the bottom end of the conical shape, and a valve 611 for controlling the sand discharge port 61 to open and close is arranged at the sand discharge port 61; the first dust suction pipe 42 is communicated with the side wall of the primary dust return box 6 along the tangential direction of the side wall of the primary dust return box 6; the top of the primary dust return box 6 is provided with a first exhaust channel 62, the first exhaust channel 62 is connected with the cover plate 10 of the secondary dust filtering chamber 3 and is communicated with the interior of the secondary dust filtering chamber 3, so that small particle dust which is not completely settled in the primary dust return box 6 enters the secondary dust filtering chamber 3 for secondary filtering;
The secondary dust return processing mechanism comprises a dust filtering box 72, a third suction nozzle 73, an air pipe 74 and a secondary dust return box 71 fixedly arranged on the outer side wall of the dust filtering box 72; the second dust suction pipe 52 is connected to the top of the dust filter box 72 and communicates with the inside of the dust filter box 72; the side wall of the dust filtering box 72 far away from the secondary dust return box 71 is provided with a third filter screen 721, the third filter screen 721 is a steel plate screen, and plush filter materials are fixed on the inner side of the steel plate screen through a clamp; the third suction nozzle 73 extends along the third filter screen 721 and is rotatably connected with the third filter screen 721 through a third rotating seat arranged on the third filter screen 721; one end of the air pipe 74 is in sealed rotary connection with the third suction nozzle 73, and the other end of the air pipe 74 penetrates through the top of the dust filtering box 72 and is communicated with the side wall of the secondary dust return box 71; a fan is also arranged at the position of the air pipe 74 close to the secondary dust return box 71; the upper part of the secondary dust return box 71 is cylindrical, the lower part is conical, the conical bottom end is provided with a sand discharge port 61, and the sand discharge port 61 is provided with a valve 611 for controlling the sand discharge port to open and close; the top of the secondary dust return box 71 is provided with a second exhaust channel 75, and the other end of the second exhaust channel 75 is communicated with the top of the dust filtering box 72; the dust return treatment mechanism is arranged for recovering impurities which are collected by the dust collection mechanism and attached to the filter screen, and simultaneously ensuring that gas carrying the impurities cannot be directly discharged into the ambient air; through setting up the two-stage and returning the dirt and handling to set up dirt and dust extraction once more in the dirt processing mechanism is returned to the second grade, effectively guarantee the whole dust removal effect of device, the production condition that the specially adapted dusty air handling capacity is big.
in the embodiment, dust-containing air enters the dust removal device from the top of the settling chamber 1, and after impurities such as larger cotton stalks, cotton leaves and the like in the air collide with the side wall of the settling chamber 1 and the baffle plate, the impurities fall into the dust outlet 12 at the bottom of the settling chamber 1 under the action of gravity; the dust-containing air subjected to primary impurity removal enters a primary dust filtering chamber 2 through a through hole in the side wall of the settling chamber 1; in the primary dust filtering chamber 2, dust and sand with larger particles carried in the air are intercepted by the first filter screen 201, and the air penetrating through the first filter screen 201 enters the secondary dust filtering chamber 3 for secondary filtering; finally, fine dust in the air is adsorbed by the plush filter material on the second filter screen 301, and the air after multiple times of filtration enters the surrounding environment through gaps among the plush filter materials;
after the dust removing device operates for a period of time, cotton fibers and dust can be attached to the first filter screen 201 and the second filter screen 301, so that the ventilation quantity in the dust filtering mechanism is reduced, and the filtering speed is reduced; at this time, the motor is started to make the first suction nozzle 41 and the second suction nozzle 51 respectively do circular motion along the first filter screen 201 and the second filter screen 301; the cotton fiber impurities attached to the first filter screen 201 are sucked under the action of negative pressure generated by the fan, and then are conveyed to the primary dust return box 6 through the first dust suction pipe 42, after the impurities carried in the gas in the primary dust return box 6 collide with the side wall of the box body, the cotton fibers or larger dust particles gradually stall, fall into the sand discharge port 61 at the bottom end of the primary dust return box 6 under the action of gravity, and are discharged through the valve 611; the return air after the primary impurity removal enters the secondary dust filtering chamber 3 again through the first exhaust channel 62, so that the small particle dust which is not settled is prevented from entering the surrounding air; the small particles of dust attached to the filter material of the second filter 301 are sent to the dust filtering box 72 of the second dust-returning mechanism through the second dust-collecting pipe 52, and the dust-containing gas carrying the dust is discharged to the surrounding environment through the third filter 721 on the side wall of the dust filtering box.
Example 2
as shown in fig. 3 to 5, in order to further improve the air handling capacity of the dust removal device, 11 layers of filter cartridges 302 concentrically arranged from inside to outside are arranged on a second filter screen 301, both ends of each filter cartridge 302 are in an open structure, one end of each filter cartridge 302 is fixedly connected with the second filter screen 301, and the other end of each filter cartridge 302 extends into a secondary dust filtration chamber; the filter cartridge 302 is made of a steel plate mesh, and plush filter materials are fixed on the inner side and the outer side of the steel plate mesh through fixing clamps;
Two adjacent filter cartridges 302 form a dust filtering channel 311 for air to pass through; a plurality of dust suction pipes 511 are formed at the positions of the second suction nozzles 51 corresponding to the dust filtering channels 311, and the dust suction pipes 511 extend into the dust filtering channels 311 and extend towards the second filter screen 301; the side wall of the dust suction pipe 511 extending into the dust filtering channel 311 is provided with an air suction hole; in this embodiment, the number of the dust suction pipes 511 is 20, and the dust suction pipes 511 are respectively located at the upper part and the lower part of the second suction nozzle 51, and the number of the dust suction pipes 511 may be only located at the upper part or the lower part of the second suction nozzle 51, and is consistent with the number of the dust filtering channels 311; by arranging the dust filtering channel 311 and the dust suction pipe 511 matched with the dust filtering channel, the filtering area of the secondary dust filtering chamber 3 can be increased, the filtering efficiency is improved, impurities attached to the filter screen can be collected in time, and the filtering effect of the filter screen is ensured;
In the present embodiment, spindle 54 of the second rotary base is located at the axial centerline of filter cartridge 302; one end of the rotating shaft 54 is connected with the second suction nozzle 51, and the other end of the rotating shaft 54 passes through the second filter screen 301 and is connected with a motor shaft of a motor arranged on the second filter screen 301; the second suction nozzle 51 is driven to rotate by a motor shaft, so that the dust suction pipe 511 makes circular motion in the dust filtering channel 311, and impurities intercepted by a filter screen in the dust filtering channel 311 are sucked;
The number of the filter cartridges 302 can be adjusted according to actual production conditions, for example, 3, 5, 8, 15, 20, etc., and the number of the dust suction pipes 511 can be adjusted accordingly.
Example 3
A dust collector for cotton processing is disclosed, as shown in FIG. 6, in order to further improve the dust collecting effect of the dust collector, the filter cylinder is composed of an inner layer steel plate mesh 304 and an outer layer steel plate mesh 303, and a cavity 305 through which air passes is left between the inner layer steel plate mesh 304 and the outer layer steel plate mesh 303; one ends of the inner layer steel plate mesh 304 and the outer layer steel plate mesh 303 are fixedly connected with each other through steel plates, and the other ends of the inner layer steel plate mesh 304 and the outer layer steel plate mesh 303 are fixedly connected with the second filter screen 301; the inner steel plate mesh 304 and the outer steel plate mesh 303 of the adjacent filter cylinder form a dust filtering channel 311, and filter materials are fixed on the inner side of the inner steel plate mesh 304 and the outer side of the outer steel plate mesh 303 through bolts;
The second filter screen 301 is provided with an annular baffle 312 corresponding to the position of the dust filtering channel 311, dust-containing air entering the dust filtering channel 311 can enter the cavity 305 between the inner steel plate mesh and the outer steel plate mesh only through the filter material by setting the baffle 312, and finally the air is discharged into the surrounding environment through the second filter screen 301 on one side of the cavity 305, so that the area of the filter screen in the secondary dust filtering cavity is further increased, and the integral dust removing effect of the dust removing device is improved.
Example 4
A dust collector for cotton processing, wherein 5 filter cylinders concentrically arranged from inside to outside are fixedly arranged on the inner side of a third filter screen in a secondary dust return treatment mechanism; the filter cartridge is a steel plate net which is coaxially arranged, and filter materials are fixed on the inner side and the outer side of the steel plate net through bolts; two adjacent filter cylinders form a dust filtering channel for air to pass through; the number of the filter cartridges can be adjusted according to actual production conditions;
4 dust suction pipes are formed at the positions, corresponding to the dust filtering channels, of the third suction nozzles, the dust suction pipes extend into the dust filtering channels and extend towards the third filter screen, and suction holes are formed in the side walls, extending into the dust filtering channels, of the dust suction pipes; the number of the filter cartridges can be adjusted according to actual production conditions, such as 3, 8, 15, 20 and the like, and the number of the corresponding dust collection pipes is also adjusted; the dust filtering channel is arranged, so that the filtering area of the dust filtering box in the secondary dust return processing mechanism can be effectively increased, and the dust removing efficiency is improved.
Claims (10)
1. the utility model provides a dust collector of cotton processing which characterized in that: comprises a dust filtering mechanism, a dust suction mechanism, a dust return processing mechanism and a bracket for fixing the dust filtering mechanism;
the dust filtering mechanism is a cavity with a filter screen structure arranged on one side, a porous partition plate and a first filter screen are sequentially arranged in the cavity along the vertical direction, the porous partition plate and the first filter screen divide the interior of the dust filtering mechanism into a settling cavity, a primary dust filtering cavity and a secondary dust filtering cavity, the porous partition plate is positioned between the settling cavity and the primary dust filtering cavity, and the first filter screen is positioned between the primary dust filtering cavity and the secondary dust filtering cavity; cover plates are arranged at the tops of the settling chamber, the primary dust filtering chamber and the secondary dust filtering chamber; an air inlet pipe for dust-containing air to enter is arranged on the cover plate of the settling chamber; the side wall of the secondary dust filtering chamber far away from the primary dust filtering chamber is provided with a second filter screen, and a filter material is attached to the second filter screen; the bottom parts of the settling chamber, the primary dust filtering chamber and the secondary dust filtering chamber are provided with dust outlets;
the dust collection mechanism comprises a first suction nozzle, a first dust collection pipe, a second suction nozzle and a second dust collection pipe, wherein the first suction nozzle and the first dust collection pipe are arranged in the primary dust filtration chamber; the first suction nozzle extends along the first filter screen and is rotatably connected with the first filter screen; one end of the first dust suction pipe is in sealed rotary connection with the first suction nozzle, and the other end of the first dust suction pipe penetrates through a cover plate at the top of the primary dust filtering chamber and is communicated with the dust return processing mechanism; the second suction nozzle extends along the second filter screen and is rotatably connected with the second filter screen; one end of the second dust suction pipe is connected with the second suction nozzle in a sealing and rotating way, and the other end of the second dust suction pipe penetrates through a cover plate at the top of the secondary dust filtering chamber to be communicated with the dust return processing mechanism; fans are arranged on the first dust collection pipe and the second dust collection pipe;
the dust return processing mechanism comprises a primary dust return box and a secondary dust return processing mechanism; the primary dust return box is fixedly arranged on the outer side of the settling chamber or the primary dust filtering chamber; the top of the primary dust return box is provided with a first exhaust channel which is communicated with a cover plate of the secondary dust filtering chamber; the secondary dust return processing mechanism comprises a dust filtering box, a third suction nozzle, an air pipe and a secondary dust return box; the side wall of the dust filtering box is provided with a third filter screen; the third suction nozzle extends along the third filter screen and is rotatably connected with the third filter screen; one end of the air pipe is in sealed rotary connection with the third suction nozzle, and the other end of the air pipe penetrates through the top of the dust filtering box and is communicated with the secondary dust return box; a fan is arranged in the air pipe; the top of the secondary dust return box is provided with a second exhaust channel which is communicated with the top of the dust filtering box; in the dust collection mechanism, a first dust collection pipe is communicated with a primary dust return box, and a second dust collection pipe is communicated with the top of a dust filter box; the bottom of the first-stage dust return box and the bottom of the second-stage dust return box are both provided with a sand discharge port.
2. The dust removing device according to claim 1, wherein: the first filter screen is provided with a first rotating seat; the first rotating seat comprises a first rotating shaft and a first base for supporting the first rotating shaft; the first base is fixedly connected with the first filter screen; one end of the first rotating shaft is connected with the first suction nozzle, and the other end of the first rotating shaft penetrates through the first filter screen and is connected with a motor arranged on the first filter screen; the second filter screen is provided with a second rotating seat, and the second rotating seat comprises a second rotating shaft and a second base used for supporting the second rotating shaft; the second base is fixedly connected with a second filter screen; one end of the second rotating shaft is connected with the second suction nozzle, and the other end of the second rotating shaft penetrates through the second filter screen to be connected with a motor arranged on the second filter screen.
3. The dust removing device according to claim 1, wherein: the second filter screen is a steel plate screen; a plurality of filter cylinders which are concentrically arranged are arranged on the inner side of the second filter screen, and a dust filtering channel for air to pass through is formed between every two adjacent filter cylinders; the second suction nozzle extends into the dust filtering channel corresponding to the dust filtering channel to form a plurality of dust collecting pipes, and the side wall of each dust collecting pipe extending into the dust filtering channel is provided with a suction hole.
4. a dust removing apparatus according to claim 3, wherein: the filter cylinder is a steel plate net attached with filter materials.
5. the dust removing device according to claim 1, wherein: the third filter screen is a steel plate screen or a steel wire screen attached with a filter material; a plurality of filter cylinders which are concentrically arranged are arranged on the inner side of the third filter screen, and a dust filtering channel for air to pass through is formed between the adjacent filter cylinders; the third suction nozzle extends into the dust filtering channel corresponding to the dust filtering channel to form a plurality of dust collecting pipes, and the side wall of each dust collecting pipe extending into the dust filtering channel is provided with a suction hole; the third suction nozzle is rotatably connected with the third filter screen through a third rotating seat arranged on the third filter screen.
6. The dust removing device according to claim 1, wherein: the dust outlets of the settling chamber, the primary dust filtering chamber and the secondary dust filtering chamber extend downwards and inwards to form a hopper-shaped structure; the bottom of the bucket-shaped structure is provided with a packing auger along the horizontal direction; a rotating shaft of the packing auger is fixedly connected with the side wall of the bucket-shaped structure, and a motor is arranged at the end part of the packing auger and drives the packing auger to rotate through the motor; the dust outlet is positioned below the packing auger.
7. the dust removing device according to claim 1, wherein: the upper parts of the first-stage dust return box and the second-stage dust return box are cylindrical, and the lower parts of the first-stage dust return box and the second-stage dust return box are conical; the sand discharge port is positioned at the conical bottom ends of the first-stage dust return box and the second-stage dust return box, and a valve for controlling the opening and closing of the sand discharge port is arranged at the sand discharge port.
8. The dust removing device according to claim 1, wherein: the first filter screen is a steel wire mesh; one side of the steel wire mesh is provided with a support frame for supporting the steel wire mesh; the upper end and the lower end of the supporting frame are respectively fixedly connected with the cover plate and the bottom of the primary dust filtering chamber.
9. The dust removing device according to any one of claims 1 to 8, wherein: the first suction nozzle is also provided with a hairbrush.
10. the dust removing apparatus according to claim 9, wherein: the side wall of the settling chamber is also provided with a plurality of baffles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910739483.XA CN110559752A (en) | 2019-08-12 | 2019-08-12 | dust collector of cotton processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910739483.XA CN110559752A (en) | 2019-08-12 | 2019-08-12 | dust collector of cotton processing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110559752A true CN110559752A (en) | 2019-12-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910739483.XA Pending CN110559752A (en) | 2019-08-12 | 2019-08-12 | dust collector of cotton processing |
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| Country | Link |
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| CN (1) | CN110559752A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112221270A (en) * | 2020-09-03 | 2021-01-15 | 安徽省嘉瑞医药科技有限公司 | Circulating dust removal device for medical breathing bag production |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4445914A (en) * | 1982-05-28 | 1984-05-01 | York-Shipley, Inc. | Industrial dust filter with jet induced reverse air cleaning |
| JP2000135411A (en) * | 1998-10-29 | 2000-05-16 | Tanabe Kogyo Kk | Exhaust gas treatment device and its manufacture |
| CN202527015U (en) * | 2012-03-06 | 2012-11-14 | 无锡市天兴净化空调设备有限公司 | Self-cleaning type filter for cigarette factory |
| CN108404533A (en) * | 2018-04-25 | 2018-08-17 | 济南闰通安吉机械有限公司 | Multiple spot inhales deduster |
| CN208512159U (en) * | 2018-04-25 | 2019-02-19 | 江苏精亚环境科技有限公司 | Cotton processes dust removal unit |
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2019
- 2019-08-12 CN CN201910739483.XA patent/CN110559752A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4445914A (en) * | 1982-05-28 | 1984-05-01 | York-Shipley, Inc. | Industrial dust filter with jet induced reverse air cleaning |
| JP2000135411A (en) * | 1998-10-29 | 2000-05-16 | Tanabe Kogyo Kk | Exhaust gas treatment device and its manufacture |
| CN202527015U (en) * | 2012-03-06 | 2012-11-14 | 无锡市天兴净化空调设备有限公司 | Self-cleaning type filter for cigarette factory |
| CN108404533A (en) * | 2018-04-25 | 2018-08-17 | 济南闰通安吉机械有限公司 | Multiple spot inhales deduster |
| CN208512159U (en) * | 2018-04-25 | 2019-02-19 | 江苏精亚环境科技有限公司 | Cotton processes dust removal unit |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112221270A (en) * | 2020-09-03 | 2021-01-15 | 安徽省嘉瑞医药科技有限公司 | Circulating dust removal device for medical breathing bag production |
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Application publication date: 20191213 |
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