阅读说明：本技术 一种牛卡纸生产过程中的表面施胶上料站供胶系统及方法 (Glue supply system and method for surface glue application and feeding station in kraft liner board production process ) 是由 黄宏权 韩冲 宋留 杨永 贾天乐 于 2021-06-29 设计创作，主要内容包括：本发明涉及一种牛卡纸生产过程中的表面施胶上料站供胶系统及方法。本发明包括:表胶储存罐、上料槽、过滤器、施胶机、圆形振动筛、圆筛回收胶罐、除渣器；所述出胶口与第一上料进口连通；所述出料口与过滤进口连通；所述过滤器良胶出口与施胶进口连通；所述胶液出口与第一圆筛进口连通；所述回收胶罐进口与圆筛良胶出口连通；所述回收胶罐出口与除渣器进口连通,所述除渣器良胶出口与第二上料进口连通,所述除渣器尾胶出口与第二圆筛进口连通。本发明胶液循环路径短,可以减少过程中的热量损耗,能保持系统温度稳定,给表胶化学品提供更稳定的反应环境。(The invention relates to a glue supply system and a glue supply method for a surface glue application and feeding station in a craft paper production process. The invention comprises a surface glue storage tank, a feeding groove, a filter, a glue applicator, a circular vibrating screen, a circular screen glue recovery tank and a slag remover; the glue outlet is communicated with the first feeding inlet; the discharge port is communicated with the filtering inlet; the good glue outlet of the filter is communicated with the glue applying inlet; the glue solution outlet is communicated with the first round screen inlet; the inlet of the recovery glue tank is communicated with the round screen good glue outlet; the recovery glue tank outlet is communicated with the slag remover inlet, the good glue outlet of the slag remover is communicated with the second feeding inlet, and the tail glue outlet of the slag remover is communicated with the second round screen inlet. The glue solution circulation path is short, so that the heat loss in the process can be reduced, the temperature of the system can be kept stable, and a more stable reaction environment is provided for the surface gel chemicals.)

1. A surface sizing feed station supplies gluey system in kraft paper production process, its characterized in that includes:

the surface glue storage tank comprises a glue outlet;

the glue outlet is communicated with the first feeding inlet;

the filter comprises a filtering inlet and a filter good glue outlet, and the discharge port is communicated with the filtering inlet;

the sizing machine comprises a sizing inlet and a glue solution outlet, and the good glue outlet of the filter is communicated with the sizing inlet;

the circular vibrating screen comprises a first circular screen inlet, a second circular screen inlet and a circular screen good glue outlet, and the glue liquid outlet is communicated with the first circular screen inlet;

the circular screen glue recovery tank comprises a glue recovery tank inlet and a glue recovery tank outlet, and the glue recovery tank inlet is communicated with the circular screen good glue outlet;

the slag separator, the slag separator includes that the slag separator import, slag separator good glue export, slag separator tail glue export, retrieve and glue jar export and slag separator import intercommunication, slag separator good glue export and second material loading import intercommunication, slag separator tail glue export and second rotary screen import intercommunication.

2. A surface sizing station glue supply system in a kraft liner production process according to claim 1, wherein the size press further comprises a coating head for applying glue evenly to the paper.

3. The system of claim 2, further comprising a square vibrating screen, wherein the square vibrating screen comprises a square screen inlet, the filter further comprises a filter tail glue outlet, and the square screen inlet is communicated with the filter tail glue outlet.

4. The system of claim 3, further comprising a square screen recovery glue tank, wherein the square screen recovery glue tank comprises a square screen recovery glue tank inlet and a square screen recovery glue tank outlet, the feeding trough further comprises a third feeding inlet, the square vibrating screen further comprises a square screen good glue outlet, the square screen good glue outlet is communicated with the square screen recovery glue tank inlet, and the square screen recovery glue tank outlet is communicated with the third feeding inlet.

5. The glue supply system of the surface sizing station in the kraft liner production process according to claim 4, wherein the square vibrating screen further comprises a square screen skim outlet for discharging skim.

6. The glue supply system of the surface sizing station in the kraft liner production process according to claim 5, wherein the circular vibrating screen further comprises a circular screen skim outlet for discharging skim.

7. The glue supply system of the surface sizing station in the kraft liner board production process according to claim 6, wherein the square screen scum outlet and the round screen scum outlet are both connected to an incinerator.

8. A glue supplying method for a surface glue application and feeding station in a craft paper production process is characterized by comprising the following steps:

sequentially passing the glue solution of the surface glue storage tank through a feeding tank and a filter, and passing the glue solution through the filter to obtain first good glue and first tail glue, wherein the first good glue enters a glue applicator for a coating head, and the first tail glue enters a square vibrating screen;

the first tail rubber is processed by a square vibrating screen to obtain second good rubber and first rubber residue, wherein the second good rubber enters a feeding groove through a square screen recovery rubber tank, and the first rubber residue is discharged;

after the first good glue enters the glue applicator, the glue solution reflowing in the glue applicator passes through a circular vibrating screen to obtain third good glue and second glue residues through the circular vibrating screen, the third good glue enters a slag remover through a circular screen recovery glue tank, fourth good glue and second tail glue are obtained after the third good glue is treated by the slag remover, the second tail glue enters the circular vibrating screen, the fourth good glue enters a feeding groove, and the second glue residues are discharged.

9. The method of claim 8, wherein the discharged first and second skim stocks are incinerated.

10. The method of claim 8, wherein the discharged first and second marc are incinerated by an incinerator and heat energy is recovered.

Technical Field

The invention relates to the technical field of pulping and papermaking, in particular to a glue supply system and method for a surface glue application feeding station in a kraft liner board production process.

Background

In the production process of the craft paper, a used surface sizing and feeding station supplies glue, and the general components of the station comprise a feeding glue groove, a filter, a slag remover, a vibrating screen, an intermediate glue tank, a glue supply pump and a glue supply pipeline. The cleaner, the filter and the vibrating screen are used as cleaning equipment for the surface adhesive, play an important role in the using process of the surface adhesive system, but the positions of the three cleaning equipment in the adhesive supply system of the surface adhesive feeding station are different according to different surface adhesive preparation processes and different types of produced paper.

In the process of producing the craft paper, the surface sizing roller can bring paper wool on the paper surface into the recovered glue solution, the accumulation of the paper wool can cause the blockage of a filter and a slag remover, the gluing amount of the sizing roller is seriously influenced, and the occurrence of degraded products of gluing traces in areas with insufficient gluing or no gluing of the paper surface can be caused. Therefore, the cleaning of the glue supply system of the surface glue feeding station is particularly important, which is a large factor for ensuring the product quality.

Disclosure of Invention

Therefore, the technical problem to be solved by the invention is to overcome the defects that in the process of producing the craft paper in the prior art, the surface sizing roller can bring paper wool on the paper surface into the recovered glue solution, and the accumulation of the paper wool can cause the blockage of a filter and a slag remover and influence the sizing quality.

In order to solve the technical problem, the invention provides a glue supply system of a surface glue application feeding station in the production process of craft paper, which comprises a surface glue storage tank, a feeding groove, a filter, a glue applicator, a circular vibrating screen, a circular screen recovery glue tank and a slag remover; the surface glue storage tank comprises a glue outlet; the feeding groove comprises a first feeding inlet, a second feeding inlet and a discharging hole, and the glue outlet is communicated with the first feeding inlet; the filter comprises a filtering inlet and a filter good glue outlet, and the discharge port is communicated with the filtering inlet; the sizing machine comprises a sizing inlet and a glue solution outlet, and the good glue outlet of the filter is communicated with the sizing inlet; the circular vibrating screen comprises a first circular screen inlet, a second circular screen inlet and a circular screen good glue outlet, and the glue liquid outlet is communicated with the first circular screen inlet; the circular screen glue recovery tank comprises a glue recovery tank inlet and a glue recovery tank outlet, and the glue recovery tank inlet is communicated with the circular screen good glue outlet; the slag separator includes that the slag separator import, slag separator good glue export, slag separator tail glue export, retrieve and glue jar export and slag separator import intercommunication, slag separator good glue export and second material loading import intercommunication, slag separator tail glue export and second rotary screen import intercommunication.

In one embodiment of the invention, the size press further comprises a coating head for applying size evenly to the paper.

In one embodiment of the invention, the filter further comprises a square vibrating screen, the square vibrating screen comprises a square screen inlet, the filter further comprises a filter tail glue outlet, and the square screen inlet is communicated with the filter tail glue outlet.

In an embodiment of the invention, the square screen recovery glue tank further comprises a square screen recovery glue tank, the square screen recovery glue tank comprises a square screen recovery glue tank inlet and a square screen recovery glue tank outlet, the feeding trough further comprises a third feeding inlet, the square vibrating screen further comprises a square screen fine glue outlet, the square screen fine glue outlet is communicated with the square screen recovery glue tank inlet, and the square screen recovery glue tank outlet is communicated with the third feeding inlet.

In one embodiment of the invention, the square shaker further comprises a square shaker marc outlet for discharging the marc.

In one embodiment of the invention, the circular shaker further comprises a circular shaker skim outlet for discharging skim.

In one embodiment of the invention, the square vibrating screen glue residue outlet and the round vibrating screen glue residue outlet are both connected with the incinerator.

The invention also provides a glue supply method for the surface glue application and feeding station in the production process of craft paper, which comprises the following steps: sequentially passing the glue solution of the surface glue storage tank through a feeding tank and a filter, and passing the glue solution through the filter to obtain first good glue and first tail glue, wherein the first good glue enters a glue applicator for a coating head, and the first tail glue enters a square vibrating screen; the first tail rubber is processed by a square vibrating screen to obtain second good rubber and first rubber residue, wherein the second good rubber enters a feeding groove through a square screen recovery rubber tank, and the first rubber residue is discharged; after the first good glue enters the glue applicator, the glue solution reflowing in the glue applicator passes through a circular vibrating screen to obtain third good glue and second glue residues through the circular vibrating screen, the third good glue enters a slag remover through a circular screen recovery glue tank, fourth good glue and second tail glue are obtained after the third good glue is treated by the slag remover, the second tail glue enters the circular vibrating screen, the fourth good glue enters a feeding groove, and the second glue residues are discharged.

In one embodiment of the invention, the discharged first glue residues and second glue residues are incinerated.

In one embodiment of the invention, the discharged first and second glue residues are incinerated by an incinerator and heat energy is recovered.

Compared with the prior art, the technical scheme of the invention has the following advantages:

1. the glue solution can realize the maximum utilization, the glue solution is used for providing indexes on the surface of the base paper, and the glue residues can be used as solid wastes for incineration and heat recovery.

2. The glue solution circulation path is short, so that the heat loss in the process can be reduced, the temperature of the system is kept stable, and a more stable reaction environment is provided for the surface gel chemicals.

3. The system has high deslagging efficiency and can reduce the problem of sizing quality caused by the quality of glue solution.

Drawings

In order that the present disclosure may be more readily and clearly understood, reference is now made to the following detailed description of the embodiments of the present disclosure taken in conjunction with the accompanying drawings, in which

FIG. 1 is a schematic diagram of the system of the present invention.

Detailed Description

The present invention is further described in the following detailed description and in the accompanying drawings and the detailed description so that others skilled in the art can better understand the present invention and can practice it, but the described embodiments are not intended to limit the present invention, and the terms "first" and "second" etc. in the description and claims of the present disclosure are used for distinguishing between different objects and not for describing a particular order of the objects.

Referring to fig. 1, the present embodiment provides a glue supply system for a surface-sizing station in a craft paper production process, including:

the surface glue storage tank comprises a glue outlet;

the glue outlet is communicated with the first feeding inlet;

the filter comprises a filtering inlet and a filter good glue outlet, and the discharge port is communicated with the filtering inlet;

the sizing machine comprises a sizing inlet and a glue outlet, the good glue outlet of the filter is communicated with the sizing inlet, and the sizing machine also comprises a coating head for uniformly coating the glue on the paper;

the circular vibrating screen comprises a first circular screen inlet, a second circular screen inlet and a circular screen good glue outlet, and the glue liquid outlet is communicated with the first circular screen inlet;

the circular screen glue recovery tank comprises a glue recovery tank inlet and a glue recovery tank outlet, and the glue recovery tank inlet is communicated with the circular screen good glue outlet;

the slag remover comprises a slag remover inlet, a slag remover good glue outlet and a slag remover tail glue outlet, the recovery glue tank outlet is communicated with the slag remover inlet, the slag remover good glue outlet is communicated with the second feeding inlet, and the slag remover tail glue outlet is communicated with the second round screen inlet;

the square vibrating screen further comprises a square screen glue residue outlet for discharging glue residues, the circular vibrating screen further comprises a circular screen glue residue outlet for discharging glue residues, and the square screen glue residue outlet and the circular screen glue residue outlet are both connected with the incinerator.

Above-mentioned structure setting makes the glue solution of flowing back in the gluer through circular shale shaker, gets rid of debris such as paper hair in the glue solution, and the good glue that obtains through the scummer is cleaner, can directly get back to the silo of going up and carry out reuse, and the tail glue (glue residue liquid that contains the solid) returns circular shale shaker again, sieves out wherein debris, and the glue solution circulation route is short, can reduce the heat loss of in-process, can keep system temperature stable, provides more stable reaction environment for the surface glue chemicals.

Specifically, still retrieve including square shale shaker, square sieve and glue the jar, square shale shaker includes the square sieve import, the filter still includes the export of filter tail glue, the export intercommunication is glued with the filter tail in the import of square sieve, square sieve is retrieved to glue the jar and is retrieved gluey jar import and square sieve including the square sieve and retrieve gluey jar export, the material loading groove still includes the third material loading import, square shale shaker still includes the export of good gluey of square sieve, the export of good gluey jar import intercommunication is retrieved with the square sieve to the export of square sieve, the square sieve is retrieved gluey jar export and third material loading import intercommunication.

Above-mentioned structural arrangement makes the tail glue that obtains through the filter pass through square shale shaker, and the debris of getting rid of in the glue solution can directly obtain good glue to use through the material loading groove once more. As the tail rubber amount discharged by the filter is larger, a square vibrating screen with larger treatment capacity is selected, and the rubber liquid amount returned by the sizing machine is smaller, so that a round vibrating screen with smaller treatment capacity is selected.

The embodiment also provides a glue supplying method for the surface glue application and feeding station in the production process of craft paper, which comprises the following steps:

sequentially passing the glue solution of the surface glue storage tank through a feeding tank and a filter, and passing the glue solution through the filter to obtain a first good glue and a first tail glue, wherein the first good glue enters a glue applicator for a coating head, and the first tail glue enters a square vibrating screen to remove solid impurities in the glue solution;

the first tail rubber is processed by a square vibrating screen to obtain second good rubber and first rubber residue, wherein the second good rubber enters a feeding groove through a square screen recovery rubber tank, and the first rubber residue is discharged;

after the first good glue enters the glue applicator, the glue solution reflowing in the glue applicator passes through a circular vibrating screen to remove paper wool and other impurities in the glue solution, a third good glue and second glue residues are obtained through the circular vibrating screen, the third good glue enters a slag remover through a circular screen recovery glue tank and is treated by the slag remover to obtain a fourth good glue and second tail glue, the second tail glue enters the circular vibrating screen, the fourth good glue enters a feeding tank, and the second glue residues are discharged.

Because square shale shaker and circular shale shaker exhaust gluey sediment water content is less, all can burn through burning furnace with the solid waste as first gluey sediment of discharge and second gluey sediment to carry out heat recovery, realize the maximize utilization of glue solution composition.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications of the invention may be made without departing from the spirit or scope of the invention.