CN209848515U - Cloth bag type dust collector - Google Patents

Abstract

The utility model relates to a cloth bag type dust collector, which comprises a shell, an intermittent air compressor, a vacuum pump, an upper baffle and a lower baffle which are arranged in the shell side by side; the upper baffle plate and the lower baffle plate divide the interior of the shell into a feeding chamber, an air pumping chamber and a discharging chamber in sequence from the upper baffle plate to the lower baffle plate, the feeding chamber is communicated with an air inlet pipe and a feeding pipe which are communicated with the intermittent air compressor, the air pumping chamber is communicated with an air pumping pipe which is communicated with the vacuum pump, and the discharging chamber is communicated with a discharging pipe; the exhaust chamber is internally provided with a plurality of filter bags which are communicated with the feeding chamber and the discharging chamber side by side and are provided with holes, the two ends of each filter bag are provided with mounting rings, and the upper baffle and the lower baffle are provided with a plurality of mounting ports which are tightly embedded with the mounting rings. The utility model discloses a set up the detachable filter bag to assist intermittent type formula air compressor machine to remove dust, improved the dust remover and to moulding powder and semi-manufactured goods recovery efficiency.

Description

Cloth bag type dust collector

Technical Field

The utility model belongs to the technical field of the technique of moulding powder processing equipment and specifically relates to a bag collector is related to.

Background

The phenolic resin is also called bakelite, also called bakelite powder. Putting the phenolic resin and other additives into a mixing cylinder for crushing and mixing; then introducing the kneaded mixture into a plasticator for plastication, and cooling to room temperature; and introducing the flaky material to be granulated into plastic powder, crushing the flaky material to be granulated by using a granulator, and screening to obtain the plastic powder. The molding powder is a thermosetting powder coating for electrostatic spraying, and is widely applied to industries of corrosion prevention engineering, adhesives, flame-retardant materials, grinding wheel manufacturing and the like. In the process of processing large batches of molding powder, small-particle molding powder and semi-finished products thereof volatilize or disperse on the upper layer of processing equipment, and at the moment, a bag-type dust collector is needed to absorb the particles and recycle the particles, so that the yield of the molding powder is improved.

After the bag type dust collector is used for a period of time, due to the effects of screening, collision, detention, diffusion, static electricity and the like, a layer of dust is accumulated on the surface of the filter bag, the efficiency and the resistance of the bag type dust collector are correspondingly increased along with the accumulation of the dust on the surface of the filter material, and when the pressure difference between two sides of the filter bag is large, some fine dust particles attached to the filter bag are extruded, so that the efficiency of the bag type dust collector is reduced. In addition, the too high resistance of the bag-type dust collector can obviously reduce the air volume of the dust collection system, thereby influencing the recovery efficiency of the molding powder and semi-finished products thereof and requiring improvement.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a be favorable to improving the sack cleaner of moulding powder and semi-manufactured goods recovery efficiency.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a cloth bag type dust collector comprises a shell, an intermittent air compressor, a vacuum pump, an upper baffle and a lower baffle which are arranged in the shell side by side; the upper baffle plate and the lower baffle plate divide the interior of the shell into a feeding chamber, an air pumping chamber and a discharging chamber in sequence from the upper baffle plate to the lower baffle plate, the feeding chamber is communicated with an air inlet pipe and a feeding pipe which are communicated with the intermittent air compressor, the air pumping chamber is communicated with an air pumping pipe which is communicated with the vacuum pump, and the discharging chamber is communicated with a discharging pipe; the exhaust chamber is internally provided with a plurality of filter bags which are communicated with the feeding chamber and the discharging chamber side by side and are provided with holes, the two ends of each filter bag are provided with mounting rings, and the upper baffle and the lower baffle are provided with a plurality of mounting ports which are tightly embedded with the mounting rings.

By adopting the technical scheme, when the cloth bag type dust collector works, the vacuum pump sucks gas in the shell to enable the shell to be in a negative pressure state, at the moment, the small plastic powder particles and semi-finished products thereof are continuously pumped into the feeding chamber through the feeding pipe, the gaseous particles are cooled into a solid state, then the solid is intercepted into each filter bag, and the filtered air is pumped away along with the vacuum pump; meanwhile, in each unit time interval, compressed air is introduced into the feeding chamber by the intermittent air compressor, so that solid particles attached to the filter bag are forced to be separated from the filter bag, the pore blockage on the filter belt is avoided, the recovery efficiency of the plastic powder and semi-finished products thereof is improved, and finally, the solid particles fall into the discharging chamber and are collected and recovered through the discharging pipe; in addition, the mounting ring is fixed in the mounting hole in an embedded mode, so that the filter bag in the air exhaust chamber can be conveniently dismounted, cleaned and replaced, the blockage of pores on the filter belt is further avoided, and the recovery efficiency of the plastic powder and semi-finished products thereof is improved.

The utility model discloses further set up to: at least two positioning blocks are fixed on the inner wall of the mounting opening, and the positioning blocks in the mounting opening on the upper baffle and the positioning blocks in the mounting opening on the lower baffle are arranged at intervals along the circumferential direction; the side wall of the mounting ring is provided with at least two positioning holes and at least two positioning grooves, the positioning holes are embedded with the positioning blocks, the positioning holes and the positioning grooves are arranged at intervals, the positioning holes downwards penetrate through the mounting ring, and the positioning grooves penetrate through the mounting ring towards two ends so that the positioning blocks can penetrate through the positioning holes.

By adopting the technical scheme, during installation, for the installation ring on one side of the lower baffle plate, the installation opening is provided for the installation ring to pass through the channel of the positioning block of the upper baffle plate, and then the installation hole is embedded outside the positioning block to complete the installation of the installation ring; meanwhile, the mounting ring on one side of the upper baffle is in butt joint with the positioning block, and the mounting of the mounting ring on one side of the upper baffle is completed; the mounting ring is limited to be separated from the positioning block by utilizing gravity and axial friction force, the work of the intermittent air compressor and the vacuum pump further strengthens the fixation of the mounting ring in the mounting port, the mounting strength of the filter bag is ensured while the filter bag is convenient to disassemble and assemble, and the recovery efficiency of the plastic powder and semi-finished products thereof is improved.

The utility model discloses further set up to: the inner wall of the positioning hole is uniformly coated with a magnetic absorption layer formed by uniformly coating ferromagnetic paint, and the positioning block consists of a magnet and is used for attracting the magnetic absorption layer to be embedded on the positioning block.

By adopting the technical scheme, the attraction between the magnet and the ferromagnetic coating is utilized to promote the positioning hole to be automatically butted with the positioning block, so that the filter bag is convenient to install, the installation strength of the filter bag is ensured, and the recovery efficiency of the plastic powder and semi-finished products thereof is improved.

The utility model discloses further set up to: the mounting ring comprises an upper ring and a lower ring, an annular concave locking groove is formed in the end face of the upper ring, a retaining ring is fixed on the side wall of the locking groove, an annular block embedded with the locking groove is fixed on the end face of the lower ring, and an annular groove embedded with the retaining ring is formed in the side wall of the annular block; when the locking device is locked, the end part of the filter bag is tightly pressed and fixed between the locking groove and the annular block and in the gap between the annular groove and the retaining ring.

By adopting the technical scheme, during installation, the end part of the filter bag is unfolded and placed on the lower ring, then the locking groove is aligned to the annular block, the mounting grooves on the upper ring and the lower ring are butted, then the annular block is pressed into the locking groove, and the baffle ring is embedded in the annular groove, so that the operation is simple and rapid; when the ring is disassembled, the upper ring is continuously pressed and is separated from the lower ring.

The utility model discloses further set up to: an adjusting frame is arranged in the discharging chamber, and the circumferential outer wall of the adjusting frame is tightly attached to the inner wall of the discharging chamber; the circumference inner wall of adjustment frame is fixed with a plurality of flexible adjustment tabs, conflict each other between the lateral wall of adjustment tab, in order to seal the opening of adjustment frame.

By adopting the technical scheme, the compressed air of the intermittent air compressor directly passes through the space inside the filter bag and vertically acts on the adjusting sheet, so that the adjusting sheet is forced to open the opening of the adjusting frame, and solid particles fall to the lower part of the discharge chamber and are collected and recovered through the discharge pipe; then the adjusting sheet is reset under the action of self pretightening force, and the opening of the adjusting frame is closed, so that dust is prevented from flying; because the pressure of the vacuum pump passes through the filter bag, the opening of the adjusting frame is difficult to be directly opened by the adjusting sheet, solid particles are prevented from being reversely sucked back to the filter bag, and the recovery efficiency of the plastic powder and semi-finished products thereof is further improved.

The utility model discloses further set up to: still include the recycling bin, the lower extreme of discharging pipe peg graft in the recycling bin.

Through adopting above-mentioned technical scheme, be convenient for concentrate the collection and shift out the solid-state granule of material pipe output.

To sum up, the utility model discloses a beneficial technological effect does:

1. by arranging the detachable filter bag and assisting the intermittent dust removal of the intermittent air compressor, the blockage of pores on the filter belt is avoided while high efficiency is considered;

2. the filter bag and the mounting ring are arranged in a detachable structure, so that the filter bag is locally disassembled and assembled conveniently, and the recovery efficiency of the plastic powder and semi-finished products thereof is improved;

3. the opening and closing of the adjusting frame are controlled by arranging the adjusting sheet, the motion state of the adjusting frame is synchronous with the working state of the intermittent air compressor, and dust raising at the lower part of the discharging chamber is avoided.

Drawings

Fig. 1 is a schematic structural diagram of the bag-type dust collector of the present invention.

Fig. 2 is a schematic sectional view of the bag-type dust collector of the present invention.

Fig. 3 is a schematic structural diagram of the cloth bag set of the present invention.

Fig. 4 is a partially enlarged schematic view of a portion a in fig. 3.

Fig. 5 is a partially enlarged schematic view of a portion B in fig. 3.

Fig. 6 is a schematic view of the connection between the filter bag and the mounting ring according to the present invention.

Fig. 7 is a schematic view of the connection relationship among the filter bag, the upper ring and the lower ring of the present invention.

Fig. 8 is a schematic view of the connection relationship between the adjusting frame and the adjusting sheet of the present invention.

In the figure, 1, an intermittent air compressor; 2. a vacuum pump; 3. a recycling bin; 4. a housing; 41. an air inlet pipe; 42. a feed pipe; 43. an air exhaust pipe; 44. a discharge pipe; 45. a feed chamber; 46. an air extraction chamber; 47. a discharge chamber; 5. a cloth bag group; 51. an upper baffle plate; 52. a lower baffle plate; 53. a filter bag; 54. an installation port; 55. positioning blocks; 6. a mounting ring; 61. positioning holes; 62. positioning a groove; 63. a magnetic absorption layer; 7. a lower ring; 71. a ring block; 72. an annular groove; 8. ring fitting; 81. a locking groove; 82. a baffle ring; 9. an adjusting frame; 91. and a regulating sheet.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the utility model discloses a bag type dust collector, including intermittent type formula air compressor machine 1, vacuum pump 2, recycling bin 3, casing 4, set up in casing 4's sack group 5, wear to locate on casing 4 and communicate in intermittent type formula air compressor machine 1's intake pipe 41, inlet pipe 42, communicate in vacuum pump 2's exhaust tube 43 and discharging pipe 44, the lower extreme of discharging pipe 44 is pegged graft in recycling bin 3. Cloth bag group 5 includes overhead gage 51 and lower baffle 52, the vertical filter bag 53 that sets up side by side between overhead gage 51 and lower baffle 52 of setting up side by side from top to bottom, and the upper and lower both ends of filter bag 53 all are provided with collar 6, and one hundred installing ports 54 have all been seted up to overhead gage 51 and lower baffle 52. The upper baffle plate 51 and the lower baffle plate 52 divide the interior of the housing 4 into a feed chamber 45 communicating with the pumping bag and the inlet pipe 41 and the inlet pipe 42, a pumping chamber 46 communicating with the pumping pipe 43, and a discharge chamber 47 communicating with the pumping bag and the outlet pipe 44 in this order from top to bottom.

Referring to fig. 3, to facilitate the mounting and dismounting of the mounting ring 6 in the mounting opening 54, two positioning blocks 55 are fixed on the inner wall of the mounting opening 54; two positioning holes 61 and two positioning grooves 62 which are embedded with the positioning blocks 55 are formed in the side wall of the mounting ring 6, the positioning holes 61 and the positioning holes 61 are arranged at intervals, the positioning holes 61 penetrate through the mounting ring 6 downwards, and the positioning grooves 62 penetrate through the mounting ring 6 towards two ends so that the positioning blocks 55 can penetrate through the positioning holes 61. Referring to fig. 4, the positioning block 55 and the positioning hole 61 (see fig. 3) in the mounting opening 54 of the positioning block 55 and the mounting ring 6 on the upper bezel 51 side are arranged side by side in the left-right direction, and the positioning groove 62 is arranged side by side in the front-rear direction. Referring to fig. 5, the positioning block 55 and the positioning hole 61 in the mounting opening 54 of the positioning block 55 and the mounting ring 6 on the lower bezel 52 side are arranged side by side in the front-rear direction, and the positioning groove 62 is arranged side by side in the left-right direction. In order to further strengthen the installation and positioning of the installation ring 6, the inner wall of the positioning hole 61 is uniformly coated with a magnetic attraction layer 63 formed by uniformly coating ferromagnetic paint, and the positioning block 55 consists of a magnet and is embedded on the positioning block 55 by attracting the magnetic attraction layer 63. The attraction between the magnet and the ferromagnetic paint can urge the positioning hole 61 to automatically abut against the positioning block 55.

Referring to fig. 3, in the installation, the installation opening 54 is provided for the installation ring 6 on the lower baffle 52 side to pass through the passage of the installation ring 6 through the positioning block 55 of the upper baffle 51, and then the installation hole is engaged with the outside of the positioning block 55, thereby completing the installation of the installation ring 6. Meanwhile, the mounting ring 6 on the upper baffle 51 side is butted against the positioning block 55, and the mounting of the mounting ring 6 on the upper baffle 51 side is completed. The mounting ring 6 is restrained from being detached from the positioning block 55 by using gravity and axial frictional force, and the intermittent air compressor 1 and the vacuum pump 2 (refer to fig. 2) are operated to further enhance the fixation of the mounting ring 6 in the mounting opening 54.

Referring to fig. 6, to facilitate the removal of the filter bag 53 from the mounting ring 6, the mounting ring 6 includes an upper ring 8 and a lower ring 7. The lower end surface of the upper ring 8 is provided with a locking groove 81 which is concave inwards in an annular shape, and the side wall of the locking groove 81 is fixed with a baffle ring 82. Referring to fig. 7, an annular block 71 fitted into a lock groove 81 is fixed to the upper end surface of the lower ring 7, and an annular groove 72 fitted into a stopper ring 82 is formed in the side wall of the annular block 71. When the locking is performed, the ends of the filter pockets 53 are pressed and fixed between the locking grooves 81 and the ring block 71 and between the ring groove 72 and the retainer 82. When the filter bag is mounted, the end of the filter bag 53 is unfolded and placed on the lower ring 7, the locking groove 81 is aligned with the annular block 71, the mounting grooves (see fig. 6) of the upper ring 8 and the lower ring 7 are butted, the annular block 71 is pressed into the locking groove 81, and the retainer ring 82 is fitted into the annular groove 72. When the ring is detached, the upper ring 8 is continuously pressed and is separated from the lower ring 7.

Referring to fig. 2 and 8, an adjusting frame 9 is arranged in the discharging chamber 47, and the circumferential outer wall of the adjusting frame 9 is closely attached to the inner wall of the discharging chamber 47; four flexible adjusting sheets 91 are fixed on the circumferential inner wall of the adjusting frame 9 along the circumferential direction, and the side walls of the adjusting sheets 91 are mutually abutted to seal the opening of the adjusting frame 9. The compressed air of the intermittent air compressor 1 directly passes through the space inside the filter bag 53 and vertically acts on the adjusting sheet 91, so that the adjusting sheet 91 is forced to open the opening of the adjusting frame 9, and the solid particles fall to the lower part of the discharging chamber 47 and are collected and recovered through the discharging pipe 44; then the adjusting sheet 91 is reset under the action of self-pretightening force, the opening of the adjusting frame 9 is closed, and dust is prevented from flying. After the pressure of the vacuum pump 2 passes through the filter bag 53, it is difficult to directly cause the adjusting sheet 91 to open the opening of the adjusting frame 9, so as to prevent the solid particles from being sucked back onto the filter bag 53.

The implementation principle of the embodiment is as follows:

s1, mounting the filter bag 53 on the upper baffle 51 and the lower baffle 52 through the mounting ring 6 in advance;

s2 when the bag filter works, the vacuum pump 2 sucks the gas in the shell 4, so that the shell 4 is in a negative pressure state;

s3 the plastic powder with small particles and its semi-finished product are continuously pumped into the feeding chamber 45 through the feeding pipe 42, and the gas particles are cooled into solid state, then the solid is trapped in each filter bag 53, and the filtered air is pumped away with the vacuum pump 2;

s4 introducing compressed air into the inlet chamber 45 by the intermittent air compressor 1 at intervals, thereby forcing the solid particles attached to the filter bags 53 out of the filter bags 53;

s5 at this time, the adjusting sheet 91 deforms, the opening of the adjusting frame 9 is opened, and the solid particles fall to the discharging chamber 47 and are collected and recovered through the discharging pipe 44.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (6)

1. A cloth bag type dust collector is characterized in that: the air compressor comprises a shell (4), an intermittent air compressor (1), a vacuum pump (2), an upper baffle (51) and a lower baffle (52), wherein the upper baffle (51) and the lower baffle (52) are arranged in the shell (4) side by side; the upper baffle plate (51) and the lower baffle plate (52) divide the interior of the shell (4) into a feeding chamber (45), an air suction chamber (46) and a discharging chamber (47) in sequence from the upper baffle plate (51) to the lower baffle plate (52), the feeding chamber (45) is communicated with an air inlet pipe (41) and a feeding pipe (42) which are communicated with the intermittent air compressor (1), the air suction chamber (46) is communicated with an air suction pipe (43) which is communicated with the vacuum pump (2), and the discharging chamber (47) is communicated with a discharging pipe (44); a plurality of filter bags (53) which are communicated with the feeding chamber (45) and the discharging chamber (47) and have holes are arranged in the air pumping chamber (46) side by side, mounting rings (6) are arranged at two ends of each filter bag (53), and a plurality of mounting holes (54) which are tightly embedded with the mounting rings (6) are formed in the upper baffle (51) and the lower baffle (52).

2. A baghouse as defined in claim 1, wherein: at least two positioning blocks (55) are fixed on the inner wall of the mounting opening (54), and the positioning blocks (55) in the mounting opening (54) on the upper baffle plate (51) and the positioning blocks (55) in the mounting opening (54) on the lower baffle plate (52) are arranged at intervals along the circumferential direction; the side wall of the mounting ring (6) is provided with at least two positioning holes (61) and at least two positioning grooves (62), the positioning holes (61) are embedded with the positioning blocks (55), the positioning holes (61) and the positioning grooves (62) are arranged at intervals, the positioning holes (61) penetrate through the mounting ring (6) downwards, and the positioning grooves (62) penetrate through the mounting ring (6) towards two ends so that the positioning blocks (55) can penetrate through the positioning holes.

3. A baghouse as defined in claim 2, wherein: the inner wall of the positioning hole (61) is uniformly coated with a magnetic absorption layer (63) formed by uniformly coating ferromagnetic paint, and the positioning block (55) is composed of a magnet and is used for attracting the magnetic absorption layer (63) to be embedded in the positioning block (55).

4. A baghouse as defined in claim 3, wherein: the mounting ring (6) comprises an upper ring (8) and a lower ring (7), an annular concave locking groove (81) is formed in the end face of the upper ring (8), a blocking ring (82) is fixed on the side wall of the locking groove (81), an annular block (71) embedded with the locking groove (81) is fixed on the end face of the lower ring (7), and an annular groove (72) embedded with the blocking ring (82) is formed in the side wall of the annular block (71); when the locking device is locked, the end part of the filter bag (53) is tightly pressed and fixed between the locking groove (81) and the annular block (71) and in a gap between the annular groove (72) and the baffle ring (82).

5. A baghouse as defined in claim 1, wherein: an adjusting frame (9) is arranged in the discharging chamber (47), and the circumferential outer wall of the adjusting frame (9) is tightly attached to the inner wall of the discharging chamber (47); the circumference inner wall of adjusting frame (9) is fixed with a plurality of flexible adjustment tabs (91), conflict each other between the lateral wall of adjustment tab (91), in order to seal the opening of adjusting frame (9).

6. A baghouse as defined in claim 1, wherein: the device is characterized by further comprising a recycling bin (3), wherein the lower end of the discharge pipe (44) is inserted into the recycling bin (3).