CN115402000A

CN115402000A - Paper dust removal and purification equipment for papermaking production line

Info

Publication number: CN115402000A
Application number: CN202211341336.5A
Authority: CN
Inventors: 郭刚; 韩华东
Original assignee: Weifang Huagang Packing Material Co ltd
Current assignee: Weifang Huagang Packing Material Co ltd
Priority date: 2022-10-31
Filing date: 2022-10-31
Publication date: 2022-11-29
Anticipated expiration: 2042-10-31
Also published as: CN115402000B

Abstract

The invention provides paper dust removal and purification equipment for a paper making production line, which comprises a rack, wherein a power supply and driving device, a high-voltage static electricity removal device and a negative pressure dust removal device are arranged on the rack, a suspension tension adjusting device is arranged on the rack, the high-voltage static electricity removal device comprises a high-voltage generator, a static electricity removal pipeline and two static electricity elimination rods, a weak negative pressure pipe is communicated in the static electricity removal pipeline, adsorption through holes are formed in the top end of the circumferential outer wall of the static electricity removal pipeline, the negative pressure dust removal device comprises a bearing roller and an adsorption groove, a plurality of negative pressure pipelines are communicated with the bottom of the adsorption groove, and an extension plate is fixedly connected above the bearing roller. The negative pressure pipeline can generate negative pressure to enable non-woven fabric fibers, particle dust and the like on the surface of the paper to be sucked away and fall off through the suction groove, so that residual particles on the surface of the paper are cleaned, and the printing quality of paper printing is improved.

Description

Paper dust removal and purification equipment for papermaking production line

Technical Field

The invention relates to the technical field of paper processing, in particular to paper dust removal and purification equipment for a papermaking production line.

Background

Printing is a technique of transferring ink to the surface of a material such as paper by subjecting an original such as characters, pictures, or photographs to plate making, inking, and pressing, thereby mass-transferring the contents of the original. Paper is a sheet made of plant fibers, and is called paper because the paper is used for writing and painting, printing books and newspapers, packaging and the like. The paper is generally divided into: the method has the advantages that the method can be used for properly and reasonably selecting and using the paper, such as letterpress printing paper, newsprint paper, offset printing paper, coated paper, book cover paper, dictionary paper, copy paper, paperboard and the like, and has very important significance for ensuring the quality of publications and reducing the cost of the publications.

In the process of producing paper by using paper pulp, various additives such as talcum powder and the like are added into the paper pulp, the paper is required to be paved on the upper surface of a papermaking felt for paper forming, then the paper pulp is extruded and formed by another papermaking felt, fibers of the papermaking felt and the talcum powder and the like are left on the surface of the paper after forming, static electricity is generated on the surface of the paper after the paper is processed and formed, the generated static electricity can adsorb tiny particles on the surface of the paper, and the fibers of the papermaking felt and other impurities can influence the adhesion of ink on the paper, so that the printing quality is influenced.

Disclosure of Invention

The invention aims to overcome the defects of the traditional technology and provide the paper dedusting and purifying equipment for the paper production line, which can remove impurities such as paper making felt fibers, particle dust and the like remained on the surface of paper, thereby improving the printing quality during printing.

The aim of the invention is achieved by the following technical measures:

a paper dedusting and purifying device for a papermaking production line comprises a rack, wherein a power supply and driving device, a high-voltage static removing device and a negative pressure dedusting device are arranged on the rack, the high-voltage static removing device comprises a high-voltage generator, a static removing pipeline and two static removing rods, the static removing pipeline is movably erected on the rack, the two static removing rods are symmetrically connected to two sides of the static removing pipeline and are arranged in parallel with the static removing pipeline, a suspension tension adjusting device is arranged on the rack and comprises two suspension adjusting cylinders and a pressure control tank, the two suspension adjusting cylinders are symmetrically and fixedly connected to the rack, the telescopic end of each suspension adjusting cylinder is connected with the corresponding side of the static removing pipeline, and the two suspension adjusting cylinders are electrically connected with the power supply and the driving device, the pressure control tank is respectively connected with two suspension adjusting cylinders, the two static eliminating rods are electrically connected with a high-voltage generator, the high-voltage generator is electrically connected with a power supply and a driving device, a weak negative pressure pipe which is filled with weak negative pressure gas into the static eliminating pipe is communicated with the static eliminating pipe, an adsorption through hole is formed in the top end of the outer circumferential wall of the static eliminating pipe, the negative pressure dust removing device comprises a bearing roller and an adsorption groove, the adsorption groove is movably connected to the frame, the opening of the adsorption groove is upward, the cross section of the adsorption groove is in a U-shaped arrangement, the bearing roller is arranged in the adsorption groove and is parallel to the adsorption groove, the negative pressure through hole is formed in the bottom of the adsorption groove, the adsorption groove is communicated with a plurality of negative pressure pipes which generate negative pressure through the negative pressure through holes, and an extension plate is fixedly connected to the upper portion of the bearing roller.

Further specifically, one end, close to the high-voltage generator, of the static removing pipeline is a sealing end, one end, far away from the high-voltage generator, of the static removing pipeline is provided with an opening, and the weak negative pressure pipe is communicated with the sealing end.

Further concrete optimization, every all be provided with the support on the static elimination stick, it is equipped with solid fixed ring to destatic pipeline overcoat, gu fixed ring respectively with two support fixed connection, destatic pipeline's both ends all overlap and are equipped with adjustable ring, every suspension adjust cylinder's the equal fixed connection in the adjustable ring bottom that corresponds of flexible end.

Further specifically, the length of the negative pressure through hole is the same as that of the suction groove, and the negative pressure pipelines are communicated with the bottom of the suction groove in a sealing mode through the negative pressure through holes.

Further specifically, two ends of the bearing roller in the length direction are tightly attached to the inner side walls of the two ends of the suction groove in the length direction.

Further concrete optimization, the equal fixedly connected with back shaft in both ends of attraction groove length direction, every all the cover is equipped with the support ring on the back shaft, every the support ring below all is connected with telescopic cylinder, every telescopic cylinder is equal fixed connection in the frame.

Further specifically, the cross section of the extension plate is arc-shaped and the arc-shaped opening is downward, and the height of the two side edges of the extension plate is lower than that of the side edge of the opening of the suction groove.

Due to the adoption of the technical scheme, compared with the prior art, the invention has the advantages that:

the invention discloses a paper dust removal and purification device in a papermaking production line, wherein formed paper is conveyed between a high-voltage static removal device and a negative-pressure dust removal device through the production line, the high-voltage static removal device and the negative-pressure dust removal device are orderly arranged in height to enable the paper to be tightly attached to the top of a static removal pipeline and keep a tensioned and unfolded state, a high-voltage generator is matched with two static removal rods to remove static electricity on the surface of the paper, the paper can be pressed down the static removal pipeline when the paper is too tight, gas in two suspension adjusting cylinders enters a pressure control tank at the moment, the static removal pipeline falls down along with the paper to avoid damage caused by excessive tightening of the paper, similarly, when the paper is too loose, the gas can enter the two suspension adjusting cylinders to control the static removal pipeline to rise, so that the static removal pipeline and the paper are always in an attached state and cannot damage the paper, the paper after static removal is conveyed onto a bearing roller, and tiny particles on the surface of the paper can be sucked away and fall off through a suction groove through negative pressure generated by the negative pressure pipeline, so that residual particles on the surface of the paper are treated cleanly, and the printing quality of the paper is improved.

The invention is further described with reference to the following figures and detailed description.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;

FIG. 2 is a schematic view of a partial structure of a high-voltage static electricity removing device and a negative-voltage dust removing device according to an embodiment of the present invention;

FIG. 3 is a partial schematic structural view of another angle of the high-voltage static electricity removing device and the negative-voltage dust removing device according to the embodiment of the invention;

FIG. 4 is a side view of a high voltage static discharge apparatus and a negative pressure dust removal apparatus according to an embodiment of the present invention;

fig. 5 is a schematic cross-sectional view at B-B in fig. 4.

The labels in the figure are: 1. a frame; 2. a high voltage static electricity removing device; 21. a high voltage generator; 22. a static electricity removing pipeline; 23. a static elimination bar; 24. a weak negative pressure tube; 25. an adsorption through hole; 3. a negative pressure dust removing device; 31. a carrying roller; 32. an attraction groove; 33. a negative pressure pipeline; 34. an extension plate; 4. a support; 5. a fixing ring; 6. an adjusting ring; 7. a suspension tension adjusting device; 71. a suspension adjusting cylinder; 72. a pressure control tank; 8. a support shaft; 9. a support ring; 10. a telescopic cylinder.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b):

as shown in fig. 1-5, a paper dust-removing and purifying device for a paper making production line comprises a frame 1, a power supply and driving device, a high-voltage static electricity removing device 2 and a negative pressure dust removing device 3 are arranged on the frame 1, the high-voltage static electricity removing device 2 comprises a high-voltage generator 21, the electrostatic removal device comprises an electrostatic removal pipeline 22 and two electrostatic removal rods 23, the electrostatic removal pipeline 22 is movably erected on a rack 1, the two electrostatic removal rods 23 are symmetrically connected to two sides of the electrostatic removal pipeline 22 and are arranged in parallel with the electrostatic removal pipeline 22, a suspension tension adjusting device 7 is arranged on the rack 1, the suspension tension adjusting device 7 comprises two suspension adjusting cylinders 71 and a pressure control tank 72, the two suspension adjusting cylinders 71 are symmetrically and fixedly connected to the rack 1, the telescopic end of each suspension adjusting cylinder 71 is connected with the corresponding side of the electrostatic removal pipeline 22, the two suspension adjusting cylinders 71 are electrically connected with a power supply and a driving device, the pressure control tank 72 is respectively connected with the two suspension adjusting cylinders 71, the two electrostatic removal rods 23 are electrically connected with a high-voltage generator 21, the high-voltage generator 21 is electrically connected with the power supply and the driving device, a weak negative pressure pipe 24 for filling weak negative pressure gas into the electrostatic removal pipeline 22 is communicated with the electrostatic removal pipeline 22, adsorption through holes 25 are formed in the top of the circumferential outer wall of the electrostatic removal pipeline 22, the negative pressure dust removal device 3 comprises a bearing groove 31 and an adsorption groove 32, the suction through hole 32 is formed in parallel with a plurality of suction grooves 31, the suction plates 32, the suction grooves 31, the suction grooves 32 are formed in the suction grooves and are formed in the suction grooves 32, and are formed in parallel with the suction grooves 32, and are formed in the suction grooves 31, the suction grooves 32.

All be provided with support 4 on every static elimination stick 23, the pipeline 22 overcoat that destatics is equipped with solid fixed ring 5, gu fixed ring 5 respectively with two support 4 fixed connection, the both ends of destatic pipeline 22 all overlap and are equipped with adjustable ring 6, the equal fixed connection in the adjustable ring 6 bottom that corresponds of the flexible end of every suspension adjusting cylinder 71.

Through the technical scheme, the formed paper is conveyed between the high-voltage static removing device 2 and the negative-pressure dust removing device 3 through the production line, the high-voltage static removing device 2 and the negative-pressure dust removing device 3 enable the paper to be tightly attached to the top of the static removing pipeline 22 in a height-ordered mode and keep a tensioned unfolding state, the high-voltage generator 21 is matched with the two static removing rods 23 to remove static on the surface of the paper, when the paper is too tight, the paper can press down the static removing pipeline 22, at the moment, gas in the two suspension adjusting cylinders 71 enters the pressure control tank 72, the static removing pipeline 22 falls along with the paper, damage caused by over tightening of the paper is avoided, and similarly, when the paper is too loose, the gas can enter the two suspension adjusting cylinders 71 to control the static removing pipeline 22 to ascend, so that the paper and the paper are always in an attaching state and cannot be damaged.

The high voltage generator 21 is electrically connected with the two static eliminating rods 23 through electric wires respectively, the main purpose of the high voltage generator 21 is to generate high voltage to be transmitted to the two static eliminating rods 23, the two static eliminating rods 23 induce high voltage to the discharge needles to form a strong electric field, air is ionized, a large amount of negative ions are generated to neutralize the static electricity on the surface of paper, when the paper is transmitted to the static eliminating rods 23, the static eliminating pipeline 22 is externally connected with a weak negative pressure generating device through a weak negative pressure pipe 24, so that weak negative pressure gas flows in the static eliminating pipeline 22 and an adsorption through hole 25 is formed, the paper can be slightly adsorbed at the adsorption through hole 25 to be close to the static eliminating pipeline 22 and the two static eliminating rods 23, and the static electricity on the surface of the paper can be further thoroughly eliminated.

When the paper after the static elimination passes through the suction groove 32 with the upward opening, the negative pressure pipelines 33 work simultaneously to generate negative pressure, so that the paper is attached to the bearing rollers 31 and the extension plates 34, and the particle impurities on the surface of the paper can be sucked into the suction groove 32 as much as possible by the open type dust removing structure, so that the dust removing effect is improved, and the printing effect of the paper is further improved.

Special attention is paid to installation: the static elimination bar 23 and the ground line of the high voltage generator 21 ensure that they are connected to the earth ground.

One end of the static removing pipeline 22 close to the high voltage generator 21 is a sealed end, one end of the static removing pipeline 22 far away from the high voltage generator 21 is provided with an opening, and the weak negative pressure pipe 24 is communicated with the sealed end. The static removing pipeline 22 is a weak negative pressure adsorption pipeline, air enters from the sealed end through the weak negative pressure pipe 24, and air exits from the open end to ensure the weak negative pressure adsorption effect.

The length of the negative pressure through hole is the same as that of the suction groove 32, and the plurality of negative pressure pipelines 33 are hermetically communicated with the bottom of the suction groove 32 through the negative pressure through hole. The length of the negative pressure through hole is the same as that of the suction groove 32, so that more negative pressure pipelines 33 can be communicated with the bottom of the suction groove 32, and the dust collection and removal effect is improved.

Bearing roller 31 length direction's both ends are hugged closely on the inside wall at suction groove 32 length direction both ends, can make the paper of locating through suction groove 32 all can be held up by bearing roller 31 and extension board 34, avoid having the condition that the paper part can't be held up for the paper levels as far as possible, improves the dust absorption effect, improves the printing quality of paper.

The equal fixedly connected with back shaft 8 in both ends of 32 length direction in attraction groove, all overlap on every back shaft 8 and be equipped with support ring 9, every support ring 9 below all is connected with telescopic cylinder 10, the equal fixed connection of every telescopic cylinder 10 is in frame 1. The position of the suction groove 32 and the position of the inner bearing roller 31 thereof are adjusted through the telescopic cylinder 10, so that the precise position adjustment can be carried out according to different conditions and requirements, and the processing flexibility is improved.

The cross section of the extension plate 34 is arc-shaped and the arc-shaped opening is downward, and the height of the two side edges of the extension plate 34 is lower than that of the opening side edge of the suction groove 32. The arc-shaped arrangement of the extension plate 34 controls the opening of the suction slot 32 to make the paper relatively smooth, thereby allowing the particulate impurities on the paper to be better adsorbed.

According to actual conditions, the high-voltage static removing device 2 and the negative-pressure dust removing device 3 can be arranged in a group or two groups, can be arranged on the same side in sequence, and can also be arranged on the upper side and the lower side of paper in a row, so that the processing efficiency of the paper dust removing production line can be further improved.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a papermaking production line paper dust removal clarification plant, includes frame (1), its characterized in that: the high-voltage static removing device comprises a frame (1), a power supply and driving device, a high-voltage static removing device (2) and a negative pressure dust removing device (3), wherein the high-voltage static removing device (2) comprises a high-voltage generator (21), a static removing pipeline (22) and two static removing rods (23), the static removing pipeline (22) is movably erected on the frame (1), the two static removing rods (23) are symmetrically connected to two sides of the static removing pipeline (22) and are arranged in parallel with the static removing pipeline (22), a suspension tension adjusting device (7) is arranged on the frame (1), the suspension tension adjusting device (7) comprises two suspension adjusting cylinders (71) and a pressure control tank (72), the two suspension adjusting cylinders (71) are symmetrically and fixedly connected to the frame (1), the telescopic end of each suspension adjusting cylinder (71) is connected to the corresponding side of the static removing pipeline (22), the two suspension adjusting cylinders (71) are electrically connected with the power supply and driving device, the pressure control tank (72) is respectively connected with the two suspension adjusting cylinders (71), the two high-voltage static removing pipelines (22) are electrically connected with the high-voltage generator (21), and the negative pressure dust removing device (22) is electrically connected with the weak static removing pipeline (22), adsorption through hole (25) have been seted up on the circumference outer wall top of destaticizing pipeline (22), negative pressure dust collector (3) are including bearing roller (31) and attraction groove (32), attraction groove (32) swing joint is in frame (1), the ascending and transversal U type setting of personally submitting of attraction groove (32) opening, bearing roller (31) set up in attraction groove (32) and with attraction groove (32) parallel arrangement, the negative pressure through-hole has been seted up to attraction groove (32) bottom, attraction groove (32) have negative pressure pipeline (33) of a plurality of production negative pressure through-hole intercommunication, the top fixedly connected with extension plate (34) of bearing roller (31).

2. The paper dedusting and purifying equipment of the papermaking production line according to claim 1, characterized in that: the one end that destatics pipeline (22) is close to high voltage generator (21) is the sealed end, destatic pipeline (22) keep away from the one end opening setting of high voltage generator (21), weak negative pressure pipe (24) communicate on the sealed end.

3. The paper dedusting and purifying equipment of the papermaking production line according to claim 1, characterized in that: every all be provided with support (4) on static elimination stick (23), pipeline (22) the overcoat that destatics is equipped with solid fixed ring (5), gu fixed ring (5) respectively with two support (4) fixed connection, the both ends of pipeline (22) that destatics all are equipped with adjustable ring (6), every the equal fixed connection in adjustable ring (6) bottom that corresponds of flexible end of suspension adjusting cylinder (71).

4. The paper dedusting and purifying equipment of the papermaking production line according to claim 1, characterized in that: the length of the negative pressure through hole is the same as that of the suction groove (32), and the negative pressure pipelines (33) are communicated with the bottom of the suction groove (32) in a sealing mode through the negative pressure through hole.

5. The paper dedusting and purifying equipment for the paper making production line according to claim 1, characterized in that: the two ends of the bearing roller (31) in the length direction are tightly attached to the inner side walls of the two ends of the suction groove (32) in the length direction.

6. The paper dust removal and purification equipment for the papermaking line according to any one of claims 1 to 5, characterized in that: inhale equal fixedly connected with back shaft (8) in groove (32) length direction's both ends, every all overlap on back shaft (8) and be equipped with support ring (9), every support ring (9) below all is connected with telescopic cylinder (10), every telescopic cylinder (10) equal fixed connection is in frame (1).

7. The paper dedusting and purifying equipment of the papermaking production line according to claim 1, characterized in that: the cross section of the extension plate (34) is arc-shaped, the arc-shaped opening is downward, and the heights of the edges of the two sides of the extension plate (34) are lower than the height of the side edge of the opening of the suction groove (32).