CN112064390A

CN112064390A - Production process of antibacterial peptide composite paper towel

Info

Publication number: CN112064390A
Application number: CN202010895991.XA
Authority: CN
Inventors: 赵瑞莲
Original assignee: Qingdao Likangyuan Biotechnology Co ltd
Current assignee: Qingdao Likangyuan Biotechnology Co ltd
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2020-12-11

Abstract

The invention discloses a production process of an antibacterial peptide composite paper towel, and S1 is characterized in that slurry preparation: putting the raw wood into a crusher for crushing, then crushing the crushed raw wood into fine powder through fine crushing, putting the fine powder into a single-turntable hydraulic pulper, adding 50-60% of white water into the hydraulic pulper, starting an impeller to crush and decompose for 10-12min, adding the white water to a full liquid level, pumping the slurry into a centrifugal desander through a slurry pump, starting the centrifugal desander, and removing sand particles carried in the slurry under the action of centrifugal force; the invention relates to the technical field of tissue production. According to the production process of the antibacterial peptide composite paper towel, the added antibacterial peptide enables the paper towel to have a good antibacterial effect, when a user cleans a wound and the like, bacterial infection cannot occur, the paper towel does not contain bacteria, the use safety of the user is guaranteed, the antibacterial effect of the paper towel is greatly improved, the whole preparation process is simple in step, and the labor intensity of workers is reduced.

Description

Production process of antibacterial peptide composite paper towel

Technical Field

The invention relates to the technical field of tissue production, in particular to a production process of an antibacterial peptide composite tissue.

Background

The paper towel is a daily necessity, and the components of the paper towel comprise chlorine, bleaching powder, alcohol, wood pulp and renewable resources. The paper towel has various types, the antibacterial peptide has broad-spectrum antibacterial activity and has strong killing effect on bacteria, particularly the killing effect on some drug-resistant pathogenic bacteria attracts more attention, in addition, some antibacterial peptide has the killing effect on some viruses, fungi, protozoa, cancer cells and the like, even can improve the immunity and accelerate the wound healing process, and the effect of the paper towel is more and more abundant along with the gradual wide use of the paper towel, but some problems still exist.

The existing paper towel is generally made of a series of raw materials such as wood pulp and the like in the production process, a user often cleans the mouth and the nose and other places when processing a wound in the process of using the paper towel, if the paper towel does not have a certain antibacterial effect, bacteria attached to the paper towel easily cause secondary pollution to the user, the integral antibacterial effect is not good, the production steps of the existing paper towel are complicated, and the labor intensity of workers is high.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a production process of an antibacterial peptide composite paper towel, and solves the problem of poor antibacterial effect of the paper towel.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: a production process of an antibacterial peptide composite paper towel specifically comprises the following steps:

s1, preparing slurry: putting the raw wood into a crusher for crushing, then crushing the crushed raw wood into fine powder through fine crushing, putting the fine powder into a single-turntable hydraulic pulper, adding 50-60% of white water into the hydraulic pulper, starting an impeller to crush and decompose for 10-12min, adding the white water to a full liquid level, pumping the slurry into a centrifugal desander through a slurry pump, starting the centrifugal desander, and removing sand particles carried in the slurry under the action of centrifugal force;

s2, grinding the slurry: the prepared slurry is conveyed into a double-sided grinding disc, an electrically driven grinding disc is used, the rotating speed of the grinding disc is manually adjusted in advance, the rotating speed is approximately 120-150 rpm, the slurry is further refined, and the slurry after being ground is slightly twisted by two fingers, so that no obvious particles exist in the slurry;

s3, filtering the slurry: introducing the ground slurry in the step S2 into a material box through a slurry feeding pump, arranging a filter hopper with a corresponding mesh number in advance in the material box, aligning a discharge pipe of the slurry feeding pump to the filter hopper, further removing impurities in the slurry, allowing the removed slurry to enter a pressure type head box through an outlet pipe, grinding the antibacterial peptide through a grinding machine, and adding 80-100 g of antibacterial peptide into the pressure type head box after grinding is finished;

s4, forming paper sheets: the pulp is ejected from the lip opening of the head box in a film shape and enters a vacuum cylinder mould, a paper sheet is formed by the suction of the vacuum cylinder mould, then the formed paper sheet is sent out by a vacuum cylinder mould and a couch roll, is dewatered by a wringing roll and finally is sent into an oven by a carrier roller, at the moment, a hot air fan in the oven is started for drying, the temperature in the oven is kept at 50-60 ℃, and the drying time is 20-25 minutes;

s5, paper pressing: putting hot melt adhesive into a storage box, electrifying and heating the storage box to keep the hot melt adhesive in a molten state, coating the hot melt adhesive in the storage box on a compression roller, directly contacting the compression roller with a paper layer, uniformly coating the hot melt adhesive on the paper layer, and laminating the paper layer coated with hot melt adhesive points with another paper layer through a laminating device to obtain a composite paper towel;

s6, packaging paper sheets: and (4) conveying the composite paper towel obtained in the step (S5) into a paper rolling cylinder for rolling, weighing the paper rolling, rewinding and cutting, conveying the cut paper to a subsequent workshop, packaging and sterilizing by a packaging machine to obtain a semi-finished product, and sealing by a sealing machine.

Preferably, in S1, when processing is performed on the log, bark on the surface of the log needs to be removed in advance, and some rotten parts need to be cleaned in advance.

Preferably, in S2, after the grinding disc is used, the grinding disc can be washed by clean water. The sewage after washing can be collected and reused to prepare slurry.

Preferably, in S3, the surface of the material box should be provided with a sealing door, and a user needs to open the sealing door at regular time and then clean the filter hopper to prevent the filter hopper from being blocked.

Preferably, the surface of the press roller can be marked with a pattern required by a user, and the hot melt adhesive can adhere to the surface of the press roller, so that the pattern required by the user can be formed when two paper sheets are pressed.

(III) advantageous effects

The invention provides a production process of an antibacterial peptide composite paper towel. The method has the following beneficial effects: this compound paper handkerchief production technology of antibiotic peptide, through the addition of log raw materials, then through a series of grinding and edulcoration process, the antibiotic peptide of adding makes the paper handkerchief have fine antibacterial effect, and the user can not take place the bacterial infection when the circumstances such as clearance wound, and the paper handkerchief does not contain the bacterium, has guaranteed the safety that the user used, great improvement the antibacterial effect of paper handkerchief, whole preparation technology step is simple, and convenient to use person operates, has reduced staff intensity of labour.

Drawings

Fig. 1 is a front view of the structure of the present invention.

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.

Referring to fig. 1, the present invention provides three technical solutions: a production process of an antibacterial peptide composite paper towel specifically comprises the following embodiments:

example 1

S1, preparing slurry: putting the raw wood into a crusher for crushing, then crushing the crushed raw wood into fine powder through fine crushing, putting the fine powder into a single-turntable hydraulic pulper, adding 50% of white water into the hydraulic pulper, starting an impeller to crush and decompose for 10min, adding the white water to a full liquid level, pumping the slurry into a centrifugal desander through a slurry pump, starting the centrifugal desander, and removing sand particles carried in the slurry under the action of centrifugal force;

s2, grinding the slurry: the prepared slurry is conveyed into a double-sided grinding disc, the rotating speed of the grinding disc is manually adjusted in advance by using an electrically driven grinding disc, the rotating speed is approximately 120 revolutions per minute, the slurry is further refined, and the slurry after being ground is slightly twisted by two fingers, so that the slurry is only required to be free of obvious particles;

s3, filtering the slurry: introducing the ground slurry in the step S2 into a material box through a slurry feeding pump, arranging a filter hopper with a corresponding mesh number in advance in the material box, aligning a discharge pipe of the slurry feeding pump to the filter hopper, further removing impurities in the slurry, allowing the removed slurry to enter a pressure type head box through an outlet pipe, grinding the antibacterial peptide through a grinding machine, and adding 80 g of antibacterial peptide into the pressure type head box after grinding is finished;

s4, forming paper sheets: the pulp is ejected from the lip opening of the head box in a film shape and enters a vacuum cylinder mould, a paper sheet is formed through the suction of the vacuum cylinder mould, then the formed paper sheet is sent out through a vacuum cylinder mould and a couch roll, is dewatered through a water squeezing roll, is finally sent into an oven through a carrier roller, and then a hot air fan in the oven is started for drying, the temperature in the oven is kept at 50 ℃, and the drying time is 20 minutes;

Example 2

S1, preparing slurry: putting the raw wood into a crusher for crushing, then crushing the crushed raw wood into fine powder through fine crushing, putting the fine powder into a single-turntable hydraulic pulper, adding 60% of white water into the hydraulic pulper, starting an impeller to crush and decompose for 12min, adding the white water to a full liquid level, pumping the slurry into a centrifugal desander through a slurry pump, starting the centrifugal desander, and removing sand particles carried in the slurry under the action of centrifugal force;

s2, grinding the slurry: the prepared slurry is conveyed into a double-sided grinding disc, the rotating speed of the grinding disc is manually adjusted in advance by using an electrically driven grinding disc, the rotating speed is approximately 150 revolutions per minute, the slurry is further refined, and the slurry after being ground is slightly twisted by two fingers, so that the slurry is only required to be free of obvious particles;

s3, filtering the slurry: introducing the ground slurry in the step S2 into a material box through a slurry feeding pump, arranging a filter hopper with a corresponding mesh number in advance in the material box, aligning a discharge pipe of the slurry feeding pump to the filter hopper, further removing impurities in the slurry, allowing the removed slurry to enter a pressure type head box through an outlet pipe, grinding the antibacterial peptide through a grinding machine, and adding 100 g of antibacterial peptide into the pressure type head box after grinding is finished;

s4, forming paper sheets: the pulp is ejected from the lip opening of the head box in a film shape and enters a vacuum cylinder mould, a paper sheet is formed by the suction of the vacuum cylinder mould, then the formed paper sheet is sent out by a vacuum cylinder mould and a couch roll, is dewatered by a wringing roll and finally is sent into an oven by a carrier roller, at the moment, a hot air fan in the oven is started for drying, the temperature in the oven is kept at 60 ℃, and the drying is carried out for 25 minutes;

Example 3

S1, preparing slurry: putting the raw wood into a crusher for crushing, then crushing the crushed raw wood into fine powder through fine crushing, putting the fine powder into a single-turntable hydraulic pulper, adding 55% of white water into the hydraulic pulper, starting an impeller to crush and decompose for 11min, adding the white water to a full liquid level, pumping the slurry into a centrifugal desander through a slurry pump, starting the centrifugal desander, and removing sand particles carried in the slurry under the action of centrifugal force;

s2, grinding the slurry: the prepared slurry is conveyed into a double-sided grinding disc, the rotating speed of the grinding disc is manually adjusted in advance by using an electrically driven grinding disc, the rotating speed is approximately 135 revolutions per minute, the slurry is further refined, and the slurry after being ground is slightly twisted by two fingers, so that the slurry is obtained when no obvious particles exist in the slurry;

s3, filtering the slurry: introducing the ground slurry in the step S2 into a material box through a slurry feeding pump, arranging a filter hopper with a corresponding mesh number in advance in the material box, aligning a discharge pipe of the slurry feeding pump to the filter hopper, further removing impurities in the slurry, allowing the removed slurry to enter a pressure type head box through an outlet pipe, grinding the antibacterial peptide through a grinding machine, and adding 90 g of antibacterial peptide into the pressure type head box after grinding is finished;

s4, forming paper sheets: the pulp is ejected from the lip opening of the head box in a film shape and enters a vacuum cylinder mould, a paper sheet is formed through the suction of the vacuum cylinder mould, then the formed paper sheet is sent out through a vacuum cylinder mould and a couch roll, is dewatered through a water squeezing roll, is finally sent into an oven through a carrier roller, and at the moment, a hot air fan in the oven is started for drying, the temperature in the oven is kept at 55 ℃, and the drying is carried out for 22 minutes;

Procedure of experiment

1. And (3) weight detection: the prepared product with a net content of 200 g is placed in a weighing platform for weighing, and the negative deviation is recorded.

2. And (3) appearance detection: and taking out the prepared paper towel, and if the paper towel is found to have dead folds, defects, damages, hard blocks, raw grass ribs, pulp lumps and other paper defects, impurities and other problems.

3. And (3) antibacterial detection: taking the next part of the paper towel to perform bacterial culture, recording whether the paper towel contains flora or not, randomly selecting 40 wound patients, selecting 10 paper towels prepared in the embodiment 1 to wipe in daily nursing, selecting 10 paper towels prepared in the embodiment 2 to wipe, selecting 10 paper towels prepared in the embodiment 3 to wipe, finally selecting 10 daily paper towels prepared in the market, and counting the infection rate of 20 patients after using the paper towels.

Results of the experiment

Daily tissues on the market are randomly selected as a control group, then the tissues prepared in the three examples are respectively taken and detected according to the experimental steps, a table 1 is obtained, and the tissue prepared in the example 2 has the best effects in the aspects of weight, appearance, antibacterial property and the like.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, 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.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A production process of antibacterial peptide composite paper towels is characterized by comprising the following steps: the method specifically comprises the following steps:

2. The production process of the antibacterial peptide composite paper towel according to claim 1, characterized in that: in S1, when processing is performed on the raw wood, the bark on the surface of the raw wood needs to be removed in advance, and some rotten parts need to be cleaned in advance.

3. The production process of the antibacterial peptide composite paper towel according to claim 1, characterized in that: in S2, after the grinding disc is used, the grinding disc can be washed by clean water, and sewage after washing can be collected and recycled to be made into slurry.

4. The production process of the antibacterial peptide composite paper towel according to claim 1, characterized in that: in S3, a sealing door should be arranged on the surface of the material box, a user needs to open the sealing door at regular time and then clean the filter hopper, so that the filter hopper is prevented from being blocked.

5. The production process of the antibacterial peptide composite paper towel according to claim 1, characterized in that: the surface of the compression roller can be carved with patterns required by a user, and the hot melt adhesive can be adhered to the surface of the compression roller, so that the patterns required by the user can be formed when two pieces of paper are pressed.