CN219972809U

CN219972809U - Pearl powder application system of pearl paper

Info

Publication number: CN219972809U
Application number: CN202320783925.2U
Authority: CN
Inventors: 杨静; 何红梅; 刘敏; 徐杰; 胡莉萍; 陆江钰
Original assignee: Zhejiang Huafeng Paper Technology Co ltd
Current assignee: Zhejiang Huafeng Paper Technology Co ltd
Priority date: 2023-04-11
Filing date: 2023-04-11
Publication date: 2023-11-07
Anticipated expiration: 2033-04-11

Abstract

The utility model provides a pearl powder application system of pearl paper, and belongs to the technical field of preparation of the pearl paper. The pearl powder application system of the pearl paper comprises pretreatment equipment, spraying equipment and conveying equipment. According to the utility model, the pretreatment equipment is used for treating the pearl powder and the adhesive to form sticky pearl powder, so that the pretreatment of the pearl powder is realized, the sticky pearl powder is conveyed to the spraying equipment by the conveying equipment, and the sticky pearl powder is sprayed on the paper by the spraying equipment, so that the application is finished, the operation is convenient, and the pearl powder on the pearl paper is not easy to fall off.

Description

Pearl powder application system of pearl paper

Technical Field

The utility model relates to the technical field of preparation of pearl paper, in particular to a pearl powder application system of pearl paper.

Background

The pearl particles in the surface coating of the pearl paper are formed by uniformly coating titanium dioxide or other metal oxides on the surfaces of mica particles, so that the surfaces of the pearl paper have pearl luster and are gorgeous and abnormal. The pearlescent powder with different colors is coated or sprayed on paper products, or the pearlescent paper with different colors is stuck on the paper products, so that colorful colors can be generated, the defect of single color of the existing paper products is completely changed, and the added value of the paper products is effectively improved.

The current preparation technology of the pearlescent paper is commonly used as a decorative art paper. Some pearlescent papers are prepared by directly adding pearlescent pigment into paper, and are used as anti-counterfeiting marks of cigarette brands, but the preparation process has higher loss rate and loss rate when the paper is formed by surfing the internet. Still other pearlescent papers are prepared by adding pearlescent powder to the paper in a direct coating process. The pearl powder is of a lamellar structure, the surface is of inorganic oxide, the weather resistance is good, the pearl powder with the grain diameter of <5 mu m is easy to agglomerate, and because intermolecular force is easy to adsorb on paper products, the pearl powder with larger grain diameter (D50 is more than 15 mu m) has better color flickering effect, better color saturation and stronger decorative effect, so the pearl powder with larger grain diameter is generally adopted in the preparation process of the pearl paper. However, since the pearl powder particles are large, if the pearl powder is directly coated on paper without using other auxiliary agents such as a binder, the pearl powder is not sticky and easily falls off from the paper.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art, and provides a pearl powder application system of pearl paper, through which pearl powder and a binder are treated to form sticky pearl powder with viscosity and the sticky pearl powder is sprayed on the surface of the paper, so that the preparation of the pearl paper is completed.

The utility model provides a pearl powder application system of pearl paper, which comprises pretreatment equipment for treating pearl powder and adhesive to form sticky pearl powder, spraying equipment for spraying the sticky pearl powder on paper, and conveying equipment for conveying the sticky pearl powder in the pretreatment equipment into the spraying equipment.

Further, the pretreatment equipment comprises a treatment container with a hollow inside, a feed inlet arranged at the side part of the treatment container, a first sealing structure for sealing the feed inlet, an air floatation piece arranged at the inner bottom of the treatment container, a spraying piece arranged at the inner middle part of the treatment container, and a discharging hole arranged at the top of the treatment container, wherein the inner wall of the treatment container is smoothly arranged, and one end of the conveying equipment is connected with the discharging hole; the spraying piece is used for spraying vaporific adhesive solution with preset concentration, and the air floatation piece is used for blowing the pearl powder towards the direction of the spraying piece, so that the floated pearl powder and the adhesive are adhered to form sticky pearl powder.

Further, the processing container comprises a conveying part arranged at the bottom end opening and a reaction part arranged at the top end opening, the bottom end of the conveying part is connected to the top end of the reaction part, the discharging port is arranged at the top end of the conveying part, the feeding port is arranged at the side end of the reaction part, the conveying part is a cone conveying part, and the reaction part is a cylinder reaction part.

Further, the spraying equipment comprises a spraying cylinder arranged in a hollow mode, a discharge hole arranged at the bottom end of the spraying cylinder, a receiving port arranged at one side end of the spraying cylinder and a suction port arranged at the other side end of the spraying cylinder, the inner wall of the spraying cylinder is smooth, and the conveying equipment comprises a conveying pipe, the two ends of which are respectively connected with one side end of the spraying cylinder and a discharge hole, and an air extraction structure, wherein the air extraction structure is connected with the suction port and used for extracting air in the spraying cylinder.

Further, the spraying equipment further comprises a second sealing structure which is movably connected with the spraying cylinder and used for adjusting the aperture size of the discharge hole.

Further, the spraying cylinder further comprises a connecting air hole at the top end, and the spraying equipment further comprises an air blowing structure, wherein one end of the air blowing structure is connected with the connecting air hole and used for blowing air into the spraying cylinder.

Further, the air extraction structure is an air extraction pump, and the air blowing structure is an air compressor with the other end connected with the air extraction structure and used for receiving air exhausted by the air extraction pump.

Further, the discharge hole is a plurality of strip-shaped discharge holes which are uniformly arranged.

Further, the spraying piece comprises a spraying structure and a solution conveying structure, the spraying structure is connected to the inner wall of the processing container, a plurality of nozzles for spraying vaporific adhesive solution are arranged at the bottom of the spraying structure, and an external interface is arranged at the top of the spraying structure; one end of the solution conveying structure is arranged on the periphery of the processing container, and the other end of the solution conveying structure penetrates through the processing container and is connected with the external interface so as to convey the adhesive solution with preset concentration into the spraying structure.

Further, the spraying structure is an annular spraying pipe, a plurality of nozzles are uniformly arranged on the spraying pipe, and the spraying pipe is connected to the inner wall of the processing container at a position with the horizontal height higher than that of the feeding hole.

The pearl powder application system of the pearl paper has the following beneficial effects:

the pretreatment equipment is used for treating the pearl powder and the adhesive to form sticky pearl powder, so that the pretreatment of the pearl powder is realized, the sticky pearl powder is conveyed to the spraying equipment by the conveying equipment, and the sticky pearl powder is sprayed on the paper by the spraying equipment, so that the application is finished, the operation is convenient, and the pearl powder on the pearl paper is not easy to fall off.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description, serve to explain the principles of the utility model. In the drawings, like reference numerals are used to identify like elements. The drawings, which are included in the description, illustrate some, but not all embodiments of the utility model. Other figures can be derived from these figures by one of ordinary skill in the art without undue effort.

FIG. 1 is a schematic diagram of a pearlescent powder application system for pearlescent paper according to an embodiment of the present utility model;

fig. 2 is a side view of a second seal in a pearlescent powder application system of pearlescent paper according to an embodiment of the utility model when disposed on a spray can.

In the figure: 1-pretreatment equipment, 11-treatment containers, 111-feed inlets, 112-discharge outlets, 12-air floating pieces, 13-spraying pieces, 131-spray nozzles, 14-partition boards, 2-spraying equipment, 21-spraying cylinders, 211-discharge outlets, 22-second sealing structures, 23-air blowing structures, 3-conveying equipment, 31-conveying pipes and 32-air exhausting structures.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model. It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be arbitrarily combined with each other.

Please refer to fig. 1-2. The pearl powder application system of the pearl paper comprises a pretreatment device 1 for treating pearl powder and a binder to form sticky pearl powder, a spraying device 2 for spraying the sticky pearl powder on paper, and a conveying device 3 for conveying the sticky pearl powder in the pretreatment device 1 into the spraying device 2.

Here, the paper in the present utility model may be cigarette paper, and the pearlescent paper is pearlescent cigarette paper. The utility model resides in the latter half of the paper machine, after the step of pre-drying. The pearl powder is insoluble in water, and if the pearl powder is added before the previous drying step, the pearl powder is adhered to the tobacco paper or is mixed in fiber gaps, the wet strength of the paper in the papermaking process can be influenced, and the paper breakage probability is increased. And after the pre-drying process and the pressing roller rolling, the flatness of the pearlescent surface can be damaged, and the bright luster of the pearlescent is further lost. The pearl powder is added in two ways: (1) Applying Tu Yiding concentration adhesive and other functional chemicals on paper surface at the position of applying nitrate, spraying a certain amount of pearl powder before drying after sizing, and enabling the pearl powder to be well embedded in the cigarette paper through the rolling and calendaring processes of a compression roller at a post-drying section; (2) The pearl powder is pretreated in specific equipment to ensure that the surface of the pearl powder has certain viscosity, and the pearl powder is conveyed to a position after the nitrate application by a conveying system and is sprayed on paper. However, in view of the fact that the combustion improver, the essence, the perfume and the like are added to the nitrate application place of the cigarette paper, the pearl powder in the scheme adopts the 2 nd adding mode in order to avoid the influence of functional chemicals such as adhesives and the like on the addition of the combustion improver of the cigarette paper and the influence on the performance of the cigarette paper after the surface of the cigarette paper is sticky.

Specifically, as disclosed in the background art, the pearl powder in the prior art can be added as an anti-counterfeiting mark in the pulp preparation process, or can be coated on the surface of the finished paper in a printing mode. The technology of the pearlescent cigarette paper is that a special pearlescent powder applying device is erected at the post-sizing position of a paper machine so as to realize the application of the pearlescent powder in the paper making process, the whole process is finished by one-time machine feeding and discharging, and the common pearlescent powder is conveyed to a spraying device 2 after being treated by a pretreatment device 1 and is applied to the surface of the cigarette paper, so that the preparation of the pearlescent cigarette paper is finished.

The pretreatment device 1 can comprise a treatment container 11 with a hollow inside, a feed inlet 111 arranged at the side part of the treatment container 11, a first sealing structure for sealing the feed inlet 111, an air floatation piece 12 arranged at the inner bottom of the treatment container 11, a spraying piece 13 arranged at the inner middle part of the treatment container 11, a discharge outlet 112 arranged at the top of the treatment container 11, wherein the inner wall of the treatment container 11 is smoothly arranged, and one end of the conveying device 3 is connected with the discharge outlet 112; the spraying member 13 is used for spraying a mist-shaped adhesive solution with a preset concentration, and the air floatation member 12 is used for blowing the pearl powder towards the direction of the spraying member 13, so that the floating pearl powder and the adhesive are adhered to form sticky pearl powder.

Specifically, the first sealing structure may be a sealing cover, and the sealing cover may be inserted into the feed inlet 111, and after all the pearl powder enters the processing container, the sealing cover seals the feed inlet, so as to prevent the pearl powder from drifting out from the feed inlet. The treatment container 11 is internally provided with the air floatation piece 12 and the spraying piece 13, the air floatation piece 12 can continuously blow up the pearl powder, and meanwhile, the spraying piece 13 can spray the prepared adhesive solution with preset concentration on the surface of the pearl powder, so that the pretreatment of the pearl powder is completed in a certain period of time. The inner wall of the processing container 11 is smoothly arranged, and the adhesion of pearl powder or sticky pearl powder to the inner wall of the processing container 11 is avoided. The processing vessel 11 may be a cylindrical vessel. The air bearing 12 may be a blower with one end disposed outside the processing vessel 11 or an air compressor with one end disposed outside the processing vessel 11.

The processing container 11 may include a conveying portion with an opening at a bottom end and a reaction portion with an opening at a top end, the bottom end of the conveying portion is connected to the top end of the reaction portion, the discharge port 112 is provided with the top end of the conveying portion, the feed port 111 is provided at a side end of the reaction portion, the conveying portion is a conical conveying portion, and the reaction portion is a cylindrical reaction portion.

Specifically, the reaction part and the conveying part are separately arranged, and the reaction part is a cylindrical reaction part, so that the air floatation part 12 and the spraying part 13 are conveniently and respectively arranged in the reaction part, and the cone conveying part is convenient for arranging the conveying equipment 3 and conveying the pearl powder.

The spraying device 2 may include a spraying cylinder 21 with a hollow interior, a discharge port 211 disposed at the bottom end of the spraying cylinder 21, a receiving port disposed at one side end of the spraying cylinder 21, and a suction port disposed at the other side end of the spraying cylinder 21, where the inner wall of the spraying cylinder 21 is smooth, and the conveying device 3 includes a conveying pipe 31 with two ends respectively connected to one side end of the spraying cylinder 21 and the discharge port 112, and an air extraction structure 32 connected to the suction port for extracting air in the spraying cylinder 21.

In particular, the conveying device 3 can use the principle of an air flow conveying method, and the pretreated powdery sticky pearl powder can be sucked and conveyed to the spraying device 2 by means of a certain negative pressure. The spraying device 2 will complete the application of the pearlescent powder to the paper. The suction structure draws air from the spray head cartridge so that a negative pressure is created within the spray cartridge 21. The conveying pipe 31 can be a hard pipe with the pipe diameter of 145-155 mm, the conveying pipe 31 can also be a hard pipe with the pipe diameter of 150 mm, the blockage is avoided, and the pearl powder is conveyed upwards through negative pressure air flow. The level of the spray drum 21 is higher than the level of the discharge opening 112.

The spraying device 2 may further comprise a second sealing structure 22 movably connected to the spraying cylinder 21 for adjusting the aperture size of the discharge opening 211.

Specifically, the size of the aperture of the discharge hole 211 is designed reasonably, is too small to be blocked easily, and is too large to cause the difficulty in controlling the spraying amount of the pearl powder, the size of the aperture of the discharge hole 211 can be adjusted according to the size and the amount of the particle size of the pearl powder, and the aperture can be designed into a sliding baffle mode to control the size of the opening, namely, the second sealing structure 22 can be a baffle which is in sliding connection with the spraying cylinder 21.

The spraying cylinder 21 may further comprise a connecting air hole provided at the top end, and the spraying device 2 further comprises an air blowing structure 23 with one end connected to the connecting air hole for blowing air into the spraying cylinder 21.

Specifically, after the pretreated powdery adhesive pearl powder is sucked and transferred to the spraying cylinder 21 by a certain negative pressure, the spraying cylinder 21 is inflated by the air-blowing structure 23, so that air flow enters the spraying cylinder 21 to drive the adhesive pearl powder to pass through the discharge hole 211 and fall onto paper.

The air extraction structure 32 may be an air pump, and the air blowing structure 23 is an air compressor with the other end connected to the air extraction structure 32 for receiving air discharged by the air pump.

Specifically, the air pumped by the pump is delivered to an air compressor which in turn provides an air flow into the spray canister 21.

Specifically, the power of the compressed air motor is adjustable, i.e., the magnitude of the air flow into the top of the cartridge 21 is adjustable, and the air flow at the top of the cartridge 21 indirectly affects the application Tu Yongliang of the pearlescent powder.

The discharge port 211 may be a plurality of bar-shaped discharge ports 211 uniformly arranged.

Specifically, the discharge port 211 is uniformly dispersed, so that the pearl powder can be uniformly distributed and spread over the whole paper width. The discharge ports 211 are uniformly distributed in a stripe shape so that the sheet passing through the application system is uniformly applied.

Specifically, the discharge ports 211 are arranged in 3 rows, and the size of the opening can be effectively controlled by designing a sliding baffle mode. The particle size and the required dosage of the pearl powder can be adjusted. If the amount of the sliding is 3, the amount of the sliding is 1, etc.

The spraying piece 13 can comprise a spraying structure and a solution conveying structure, the spraying structure is connected to the inner wall of the processing container 11, the bottom of the spraying structure is provided with a plurality of nozzles 131 for spraying mist adhesive solution, and the top of the spraying structure is provided with an external interface; one end of the solution conveying structure is arranged on the periphery of the processing container 11, and the other end of the solution conveying structure penetrates through the processing container 11 and is connected with an external interface so as to convey the adhesive solution with preset concentration into the spraying structure.

The spray structure may be a circular spray pipe, and the plurality of nozzles 131 are uniformly disposed on the spray pipe, and the spray pipe is connected to the inner wall of the processing container 11 at a position higher than the feed inlet 111.

Specifically, a partition plate 14 is arranged in the treatment container 11, a plurality of air blowing holes can be formed in the partition plate 14 in a penetrating manner, the air floatation member 12 is arranged below the partition plate 14, the partition plate 14 can stop the pearl powder, and the pearl powder is prevented from falling on the air floatation member. The conveying solution structure can be a hose, the spray pipe can be a tubular ring made of a circle of ceramic material, an external interface is arranged on the ring, the spray pipe is a ceramic spray pipe, the outer surface of the spray pipe is smoothly arranged, and the adhesion of viscous pearl powder on the spray pipe can be avoided. The outside of the hose is connected with a compressed air device. An annular shower pipe may be connected to the top end of the reaction part. The middle of the inner diameter of the annular spraying pipe is provided with a penetrating port through which the pearl powder can pass, the spraying pipe is connected to the inner wall of the processing container 11, and the horizontal height of the spraying pipe is higher than that of the feeding port 111, so that the pearl powder is positioned below the spraying pipe after entering the processing container 11, and the situation that the pearl powder falls above the spraying pipe at first and is unfavorable for spraying adhesive solution on the surface of the pearl powder is avoided.

Specifically, the pearl powder enters the pretreatment device 1 through the feed inlet 111, the air floating piece 12 exists in the treatment container 11 through the upward wind force of the partition plate 14, when the spray piece 13 passes through, the spray hole 131 uniformly sprays atomized solution, and the surface of the pearl powder moving upwards receives a certain amount of surface sizing solution with a certain concentration, such as PVA and the like. The surface-pretreated sticky pearl powder continuously enters the conveying equipment 3 through the discharge hole 112, then enters the spraying equipment 2 and enters the spraying cylinder 21, the top of the spraying cylinder 21 is provided with an external air flow entering cavity, so that the sticky pearl powder smoothly reaches the discharge hole 211, the second sealing structure 22 can be adjusted to set the row number of the discharge hole 211, and the sticky pearl powder smoothly reaches the surface of paper through the exposed discharge hole 211, thereby finishing the application.

The above description may be implemented alone or in various combinations and these modifications are within the scope of the present utility model.

It should be noted that, in the description of the present utility model, the terms "upper end," "lower end," and "bottom end" of the indicated orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship conventionally put in use of the product of the application, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device to be referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting. Although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. A pearlescent powder application system for pearlescent paper, characterized in that: comprises a pretreatment device (1) for treating pearl powder and a binder to form sticky pearl powder, a spraying device (2) for spraying the sticky pearl powder on paper, and a conveying device (3) for conveying the sticky pearl powder in the pretreatment device (1) into the spraying device (2); the pretreatment equipment (1) comprises a treatment container (11) with a hollow inside, a feed inlet (111) arranged on the side part of the treatment container (11), a first sealing structure for sealing the feed inlet (111), an air floatation piece (12) arranged at the inner bottom of the treatment container (11), a spraying piece (13) arranged at the inner middle part of the treatment container (11), and a discharge outlet (112) arranged at the top of the treatment container (11), wherein the inner wall of the treatment container (11) is smoothly arranged, and one end of the conveying equipment (3) is connected with the discharge outlet (112); the spraying piece (13) is used for spraying vaporific adhesive solution with preset concentration, and the air floatation piece (12) is used for blowing pearl powder towards the direction of the spraying piece (13) so that the floated pearl powder and the adhesive are adhered to form adhesive pearl powder; the method comprises the steps of carrying out a first treatment on the surface of the A partition plate (14) is arranged in the processing container (11), a plurality of air blowing holes are penetrated through the partition plate (14), an air floatation piece 12 is arranged below the partition plate 14, and the air floatation piece (12) is a blower with one end arranged at the outer side of the processing container (11) or an air compressor with one end arranged at the outer side of the processing container (11); the spraying piece (13) comprises a spraying structure and a solution conveying structure, the spraying structure is connected to the inner wall of the processing container (11), a plurality of nozzles (131) for spraying vaporific adhesive solution are arranged at the bottom of the spraying structure, and an external interface is arranged at the top of the spraying structure; one end of the solution conveying structure is arranged on the periphery of the treatment container (11), and the other end of the solution conveying structure penetrates through the treatment container (11) and is connected with an external interface so as to convey the adhesive solution with preset concentration into the spraying structure; the spraying structure is a circular-ring-shaped spraying pipe, a plurality of nozzles (131) are uniformly arranged on the spraying pipe, and the spraying pipe is connected to the position, on the inner wall of the processing container (11), of which the horizontal height is higher than that of the feeding port (111).

2. A pearlescent powder application system for pearlescent paper of claim 1 wherein: the treatment container (11) comprises a conveying part with an opening at the bottom end and a reaction part with an opening at the top end, the bottom end of the conveying part is connected to the top end of the reaction part, the discharging port (112) is arranged at the top end of the conveying part, the feeding port (111) is arranged at the side end of the reaction part, the conveying part is a cone conveying part, and the reaction part is a cylinder reaction part.

3. A pearlescent powder application system for pearlescent paper according to claim 1 or 2 wherein: the spraying equipment (2) comprises a spraying cylinder (21) arranged in a hollow mode, a discharge hole (211) arranged at the bottom end of the spraying cylinder (21), a receiving opening arranged at one side end of the spraying cylinder (21) and a suction opening arranged at the other side end of the spraying cylinder (21), the inner wall of the spraying cylinder (21) is smooth, and the conveying equipment (3) comprises a conveying pipe (31) with two ends respectively connected to one side end of the spraying cylinder (21) and the discharge hole (112) and a suction structure (32) connected to the suction opening and used for sucking air in the spraying cylinder (21).

4. A pearlescent powder application system for pearlescent paper according to claim 3 wherein: the spraying equipment (2) further comprises a second sealing structure (22) which is movably connected with the spraying cylinder (21) and used for adjusting the aperture size of the discharge hole (211).

5. A pearlescent powder application system for pearlescent paper according to claim 3 wherein: the spraying cylinder (21) further comprises a connecting air hole at the top end, and the spraying equipment (2) further comprises an air blowing structure (23) with one end connected to the connecting air hole and used for blowing air into the spraying cylinder (21).

6. A pearlescent powder application system for pearlescent paper of claim 5 wherein: the air extraction structure (32) is an air extraction pump, and the air blowing structure (23) is an air compressor with the other end connected to the air extraction structure (32) and used for receiving air exhausted by the air extraction pump.

7. A pearlescent powder application system for pearlescent paper according to claim 3 wherein: the discharge holes (211) are a plurality of strip-shaped discharge holes (211) which are uniformly arranged.