CN112252080A - High-ash corrugated base paper drying process - Google Patents
High-ash corrugated base paper drying process Download PDFInfo
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- CN112252080A CN112252080A CN202011052434.8A CN202011052434A CN112252080A CN 112252080 A CN112252080 A CN 112252080A CN 202011052434 A CN202011052434 A CN 202011052434A CN 112252080 A CN112252080 A CN 112252080A
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H25/00—After-treatment of paper not provided for in groups D21H17/00 - D21H23/00
- D21H25/04—Physical treatment, e.g. heating, irradiating
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Abstract
A drying process of high-ash corrugated base paper comprises the following steps: s1, conveying corrugated medium: spreading the corrugated raw paper, laying the corrugated raw paper on an air-permeable conveying mesh belt, and driving a guide roller to rotate by a driving mechanism so as to enable the air-permeable conveying mesh belt to roll on the guide roller, wherein the corrugated raw paper is conveyed into a drying cover by the air-permeable conveying mesh belt; s2, producing and transporting hot air: the heating rod produces hot air in the mounting pipe, the first blowing mechanism blows air to the heating rod, and the hot air is blown into the drying cover through the mounting pipe, the ventilation pipe and the air outlet pipe in sequence; s3, drying the corrugated base paper: hot air is respectively blown to two sides of the corrugated base paper on the air-permeable conveying mesh belt from the inner side and the outer side of the air-permeable conveying mesh belt; s4, outputting dry corrugated medium: the ventilating conveying net belt continuously conveys the corrugated raw paper, and the dried corrugated raw paper is conveyed to the outside of the drying cover. The invention can lead the hot air to be fully contacted with the corrugated base paper, and the drying of the corrugated paper is more comprehensive and has good drying effect.
Description
Technical Field
The invention relates to the technical field of drying, in particular to a high-ash corrugated base paper drying process.
Background
Corrugated medium is one of the important constituent materials for producing corrugated cardboard. The corrugated base paper requires good fiber bonding strength, flat paper surface, better tightness and stiffness and certain elasticity so as to ensure that the manufactured carton has shockproof and pressure resistance.
Corrugated medium is after finishing in production, and body itself can contain moisture, can not direct application, needs to use drying device to carry out drying process before using, and current drying device's drying method generally can not make hot-air and corrugated medium fully contact, leads to the corrugated medium to dry not comprehensively, and the stoving effect is poor.
Disclosure of Invention
Objects of the invention
In order to solve the technical problems in the background art, the invention provides a high-ash corrugated medium drying process, which can ensure that hot air is fully contacted with the corrugated medium, and the corrugated medium is dried more comprehensively with good drying effect.
(II) technical scheme
The invention provides a high-ash corrugated raw paper drying process, which is used for drying by a drying device comprising a guide roller, a driving mechanism, a breathable conveying net belt, a drying cover, a first blowing mechanism, an installation pipe, a ventilation pipe, an air outlet pipe and a heating rod, and comprises the following steps:
s1, conveying corrugated medium: spreading the corrugated raw paper, laying the corrugated raw paper on an air-permeable conveying mesh belt, and driving a guide roller to rotate by a driving mechanism so as to enable the air-permeable conveying mesh belt to roll on the guide roller, wherein the corrugated raw paper is conveyed into a drying cover by the air-permeable conveying mesh belt;
s2, producing and transporting hot air: the heating rod produces hot air in the mounting pipe, the first blowing mechanism blows air to the heating rod, and the hot air is blown into the drying cover through the mounting pipe, the ventilation pipe and the air outlet pipe in sequence;
s3, drying the corrugated base paper: hot air is respectively blown to two sides of the corrugated base paper on the air-permeable conveying mesh belt from the inner side and the outer side of the air-permeable conveying mesh belt;
s4, outputting dry corrugated medium: the ventilating conveying net belt continuously conveys the corrugated raw paper, and the dried corrugated raw paper is conveyed to the outside of the drying cover.
Preferably, the method further comprises the following steps of S5: one end of the corrugated medium is supported on the winding drum, the winding drum is driven to rotate, and the dried corrugated medium is wound on the winding drum.
Preferably, the device further comprises a mounting frame and a connecting frame; the guide rollers are arranged in four, the four guide rollers are distributed in a rectangular shape, and the guide rollers are rotatably arranged on the mounting frame; the connecting frame is connected with the mounting frame to form a frame structure; the driving mechanism is arranged on the mounting frame and is in driving connection with the guide roller; the air-permeable conveying mesh belt is wound on the outer side surfaces of the four guide rollers; a feeding channel and a discharging channel are respectively arranged at the two transverse ends of the drying cover; the air-permeable conveying mesh belt penetrates through the feeding channel and the discharging channel; the hot air output mechanisms are arranged in multiple groups, the multiple groups of hot air output mechanisms are respectively positioned at the inner side and the outer side of the air-permeable conveying mesh belt, the air outlet of the air outlet pipe in the hot air output mechanism positioned at the inner side of the air-permeable conveying mesh belt is arranged upwards, and the air outlet of the air outlet pipe in the hot air output mechanism positioned at the outer side of the air-permeable conveying mesh belt is arranged downwards; the first blowing mechanism is connected with the mounting pipe; the heating rod is arranged on the inner surface of the mounting tube; the mounting pipe, the ventilation pipe and the air outlet pipe are sequentially connected; the air outlet pipe penetrates through the drying cover and extends into the inner side of the drying cover; the drying cover is arranged on the connecting frame.
Preferably, the installation pipe is a venturi pipe, and the heating rod is located in the middle of the installation pipe.
Preferably, the inner surface of the installation pipe is provided with a filter screen; the filter screen is located between first blowing mechanism and the heating rod.
Preferably, the air outlet pipe comprises a connecting pipe part and an air outlet hopper part which are integrally connected, and the inner diameter of the air outlet hopper part is gradually increased along the direction of being far away from the connecting pipe part.
Preferably, an air inlet hole is formed in one longitudinal side face of the drying cover, and a second air blowing mechanism is arranged on the drying cover; the second blowing mechanism is positioned at the air inlet.
Preferably, the drying cover is provided with a condenser, the input end of the condenser is connected with an air inlet pipe, and the air inlet pipe penetrates through the top of the drying cover.
Preferably, a temperature monitor is arranged in the drying cover.
Compared with the prior art, the technical scheme of the invention has the following beneficial technical effects:
the invention can lead the hot air to be fully contacted with the corrugated base paper, and the drying of the corrugated paper is more comprehensive and has good drying effect. Actuating mechanism drive guide roll rotates, the guide roll drives ventilative conveying mesh belt operation, the corrugated medium of treating to dry is carried to the stoving cover through ventilative conveying mesh belt, the hot-air is made to the heating rod, first blast mechanism loops through the installation pipe with hot-blast, the ventilation pipe blows to corrugated medium with going out the tuber pipe on, wherein, the air outlet that is arranged in the air-out pipe of the inboard hot-air output mechanism of ventilative conveying mesh belt sets up, the hot-air can be permeated through ventilative conveying mesh belt and carry out drying process to corrugated medium lower part, the air outlet that is arranged in the hot-air output mechanism outside ventilative conveying mesh belt goes out the tuber pipe sets up down, the hot-air can directly carry out drying process to corrugated medium upper portion, dry from upper and lower both sides, the stoving scope is more comprehensive, can be thorough dry corrugated medium.
Drawings
Fig. 1 is a schematic structural diagram of a drying process of high-ash corrugated medium according to the present invention.
Fig. 2 is a left side sectional view of the drying process of the high ash corrugated medium according to the present invention.
Fig. 3 is a partial structural sectional view of a high ash content corrugated medium drying process according to the present invention.
Reference numerals: 1. a guide roller; 2. a mounting frame; 3. a connecting frame; 4. a drive mechanism; 5. a gas permeable conveying mesh belt; 6. a drying cover; 601. an air inlet hole; 7. a first blowing mechanism; 8. installing a pipe; 9. a vent pipe; 10. an air outlet pipe; 11. a second blowing mechanism; 12. a heating rod; 13. a filter screen; 14. a condenser.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1-3, the drying process of high ash corrugated medium paper provided by the present invention is performed by a drying device comprising a guide roller 1, a driving mechanism 4, a permeable conveying mesh belt 5, a drying cover 6, a first blowing mechanism 7, an installation pipe 8, a ventilation pipe 9, an air outlet pipe 10 and a heating rod 12, and comprises the following steps:
s1, conveying corrugated medium: spreading corrugated raw paper, laying the corrugated raw paper on an air-permeable conveying mesh belt 5, and driving a guide roller 1 to rotate by a driving mechanism 4, so that the air-permeable conveying mesh belt 5 rolls on the guide roller 1, and conveying the corrugated raw paper into a drying cover 6 by the air-permeable conveying mesh belt 5;
s2, producing and transporting hot air: the heating rod 12 produces hot air in the mounting pipe 8, the first blowing mechanism 7 blows air to the heating rod 12, and the hot air is blown into the drying cover 6 through the mounting pipe 8, the ventilation pipe 9 and the air outlet pipe 10 in sequence;
s3, drying the corrugated base paper: hot air is respectively blown to two sides of the corrugated raw paper on the air-permeable conveying mesh belt 5 from the inner side and the outer side of the air-permeable conveying mesh belt 5;
s4, outputting dry corrugated medium: the air permeable conveying mesh belt 5 continuously conveys the corrugated raw paper, and the dried corrugated raw paper is conveyed to the outside of the drying cover 6.
In an optional embodiment, the method further comprises S5, rolling the corrugated medium: one end of the corrugated medium is supported on the winding drum, the winding drum is driven to rotate, and the dried corrugated medium is wound on the winding drum.
It should be noted that after the corrugated medium is dried, the corrugated medium is wound on a winding drum, so that the corrugated medium is convenient to collect, store and transport.
In an optional embodiment, the device further comprises a mounting frame 2 and a connecting frame 3; the number of the guide rollers 1 is four, the four guide rollers 1 are distributed in a rectangular shape, and the guide rollers 1 are rotatably arranged on the mounting frame 2; the connecting frame 3 is connected with the mounting frame 2 to form a frame structure; the driving mechanism 4 is arranged on the mounting frame 2, and the driving mechanism 4 is in driving connection with the guide roller 1; the air-permeable conveying mesh belt 5 is wound on the outer side surfaces of the four guide rollers 1; a feeding channel and a discharging channel are respectively arranged at the two transverse ends of the drying cover 6; the air-permeable conveying mesh belt 5 penetrates through the feeding channel and the discharging channel; the hot air output mechanism is composed of a first blowing mechanism 7, a mounting pipe 8, a ventilation pipe 9, an air outlet pipe 10 and a heating rod 12, a plurality of groups of hot air output mechanisms are arranged on the hot air output mechanism, the hot air output mechanisms are respectively positioned on the inner side and the outer side of the air permeable conveying mesh belt 5, the air outlet of the air outlet pipe 10 in the hot air output mechanism positioned on the inner side of the air permeable conveying mesh belt 5 is upwards arranged, and the air outlet of the air outlet pipe 10 in the hot air output mechanism positioned on the outer side of the air permeable conveying mesh belt 5 is downwards arranged; the first blowing mechanism 7 is connected with the mounting pipe 8; the heating rod 12 is arranged on the inner surface of the mounting tube 8; the mounting pipe 8, the ventilation pipe 9 and the air outlet pipe 10 are connected in sequence; the air outlet pipe 10 penetrates through the drying hood 6 and extends into the inner side of the drying hood 6; the drying cover 6 is arranged on the connecting frame 3.
In an alternative embodiment, the mounting tube 8 is a venturi tube and the heating rod 12 is located in the middle of the mounting tube 8.
It should be noted that, the first blowing mechanism 7 blows air to the installation pipe 8, and blows hot air made by the heating rod 12 into the ventilation pipe 9, and after the hot air flows out from the installation pipe 8, the air flow rate is increased, and the air speed flowing out from the air outlet pipe 10 is larger, so that the drying effect on the corrugated medium paper is better.
In an alternative embodiment, a filter screen 13 is arranged on the inner surface of the mounting tube 8; the filter screen 13 is located between the first blowing mechanism 7 and the heating rod 12.
It should be noted that, the filter screen 13 can filter the sundries in the outside air, so as to prevent the sundries from entering the inside of the pipeline, which is cleaner and tidier.
In an alternative embodiment, the air outlet pipe 10 includes a connecting pipe portion and an air outlet funnel portion integrally connected, and the inner diameter of the air outlet funnel portion gradually increases along a direction away from the connecting pipe portion.
It should be noted that the hot air can be more uniformly diffused in the drying cover 6 through the air outlet funnel part, and finally the drying cover 6 is filled with the hot air, so that the corrugated medium is sufficiently dried.
In an alternative embodiment, an air inlet 601 is arranged on one longitudinal side surface of the drying cover 6, and a second blowing mechanism 11 is arranged on the drying cover 6; the second blowing mechanism 11 is located at the air inlet hole 601.
It should be noted that, the corrugated medium has protrusions on its surface, and a channel is formed between the protrusions and the bottom surface, and the second blowing mechanism 11 blows air to make hot air in the drying cover 6 enter the channel more smoothly, so that the hot air can contact the corrugated medium more comprehensively, and the drying effect is improved.
In an optional embodiment, a condenser 14 is arranged on the drying cover 6, an air inlet pipe is connected to an input end of the condenser 14, the air inlet pipe penetrates through the top of the drying cover 6, moisture on the corrugated medium is dried in the drying cover 6, and water vapor enters the condenser 14 through the air inlet pipe to be condensed, so that the water vapor is prevented from accumulating in the drying cover 6, and the drying effect is improved.
In an optional embodiment, a temperature monitor is arranged in the drying hood 6, so that the drying temperature can be monitored in real time.
The invention can lead the hot air to be fully contacted with the corrugated base paper, and the drying of the corrugated paper is more comprehensive and has good drying effect. The 4 drive guide rolls 1 of actuating mechanism rotate, guide rolls 1 drives ventilative conveying mesh belt 5 operation, the corrugated medium of treating the stoving is carried to the stoving cover 6 in through ventilative conveying mesh belt 5, the hot-air is made to heating rod 12, first blast mechanism 7 loops through installation pipe 8 with hot-blast, ventilation pipe 9 and play tuber pipe 10 blow to the corrugated medium on, wherein, the air outlet that is arranged in the hot-air output mechanism of ventilative conveying mesh belt 5 inboard goes out tuber pipe 10 sets up, hot-air can see through ventilative conveying mesh belt 5 and carry out drying process to the corrugated medium lower part, the air outlet that is arranged in the hot-air output mechanism of ventilative conveying mesh belt 5 outside goes out tuber pipe 10 sets up down, hot-air can directly carry out drying process to corrugated medium upper portion, dry from upper and lower both sides, the stoving scope is more comprehensive, can be thorough dry the corrugated medium.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (9)
1. The utility model provides a high ash corrugated medium drying process, its characterized in that is dried by the drying device who includes guide roll (1), actuating mechanism (4), ventilative conveying mesh belt (5), stoving cover (6), first blast mechanism (7), installation pipe (8), ventilation pipe (9), play tuber pipe (10) and heating rod (12), includes following step:
s1, conveying corrugated medium: spreading corrugated raw paper, laying the corrugated raw paper on an air-permeable conveying mesh belt (5), and driving a guide roller (1) to rotate by a driving mechanism (4), so that the air-permeable conveying mesh belt (5) rolls on the guide roller (1), and conveying the corrugated raw paper into a drying cover (6) by the air-permeable conveying mesh belt (5);
s2, producing and transporting hot air: the heating rod (12) produces hot air in the mounting pipe (8), the first blowing mechanism (7) blows air to the heating rod (12), and the hot air is blown into the drying cover (6) through the mounting pipe (8), the ventilation pipe (9) and the air outlet pipe (10) in sequence;
s3, drying the corrugated base paper: hot air is respectively blown to the two sides of the corrugated raw paper on the air-permeable conveying mesh belt (5) from the inner side and the outer side of the air-permeable conveying mesh belt (5);
s4, outputting dry corrugated medium: the air-permeable conveying mesh belt (5) continuously conveys the corrugated medium, and the dried corrugated medium is conveyed to the outside of the drying cover (6).
2. The drying process of the high-ash corrugated medium paper as claimed in claim 1, further comprising S5, rolling the corrugated medium paper: one end of the corrugated medium is supported on the winding drum, the winding drum is driven to rotate, and the dried corrugated medium is wound on the winding drum.
3. The drying process of the high-ash corrugated medium paper as claimed in claim 1, further comprising a mounting frame (2) and a connecting frame (3); the number of the guide rollers (1) is four, the four guide rollers (1) are distributed in a rectangular shape, and the guide rollers (1) are rotatably arranged on the mounting rack (2); the connecting frame (3) is connected with the mounting frame (2) to form a frame structure; the driving mechanism (4) is arranged on the mounting rack (2), and the driving mechanism (4) is in driving connection with the guide roller (1); the air-permeable conveying mesh belt (5) is wound on the outer side surfaces of the four guide rollers (1); a feeding channel and a discharging channel are respectively arranged at the two transverse ends of the drying cover (6); the air-permeable conveying mesh belt (5) penetrates through the feeding channel and the discharging channel; the hot air output mechanism is composed of a first air blowing mechanism (7), an installation pipe (8), a ventilation pipe (9), an air outlet pipe (10) and a heating rod (12), the hot air output mechanism is provided with a plurality of groups, the groups of hot air output mechanisms are respectively positioned at the inner side and the outer side of the air-permeable conveying mesh belt (5), the air outlet of the air outlet pipe (10) in the hot air output mechanism positioned at the inner side of the air-permeable conveying mesh belt (5) is upwards arranged, and the air outlet of the air outlet pipe (10) in the hot air output mechanism positioned at the outer side of the air-permeable conveying mesh belt (5) is downwards arranged; the first blowing mechanism (7) is connected with the mounting pipe (8); the heating rod (12) is arranged on the inner surface of the mounting tube (8); the mounting pipe (8), the ventilation pipe (9) and the air outlet pipe (10) are connected in sequence; the air outlet pipe (10) penetrates through the drying cover (6) and extends into the inner side of the drying cover (6); the drying cover (6) is arranged on the connecting frame (3).
4. The drying process of the high ash corrugated medium paper as claimed in claim 3, wherein the mounting pipe (8) is a venturi tube, and the heating rod (12) is located in the middle of the mounting pipe (8).
5. The drying process of the high ash corrugated medium paper as claimed in claim 3, wherein the inner surface of the mounting pipe (8) is provided with a filter screen (13); the filter screen (13) is positioned between the first blowing mechanism (7) and the heating rod (12).
6. The drying process of the high-ash corrugated medium paper as claimed in claim 5, wherein the air outlet pipe (10) comprises a connecting pipe part and an air outlet funnel part which are integrally connected, and the inner diameter of the air outlet funnel part gradually increases along the direction away from the connecting pipe part.
7. The drying process of the high-ash corrugated medium paper as claimed in claim 6, wherein an air inlet hole (601) is formed in one longitudinal side surface of the drying cover (6), and a second blowing mechanism (11) is arranged on the drying cover (6); the second air blowing mechanism (11) is positioned at the air inlet hole (601).
8. The drying process of the high-ash corrugated medium paper as claimed in claim 7, wherein a condenser (14) is arranged on the drying cover (6), an inlet pipe is connected to an input end of the condenser (14), and the inlet pipe penetrates through the top of the drying cover (6).
9. The drying process of the high-ash corrugated medium paper as claimed in claim 8, wherein a temperature monitor is arranged in the drying cover (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011052434.8A CN112252080A (en) | 2020-09-29 | 2020-09-29 | High-ash corrugated base paper drying process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011052434.8A CN112252080A (en) | 2020-09-29 | 2020-09-29 | High-ash corrugated base paper drying process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112252080A true CN112252080A (en) | 2021-01-22 |
Family
ID=74233879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011052434.8A Pending CN112252080A (en) | 2020-09-29 | 2020-09-29 | High-ash corrugated base paper drying process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112252080A (en) |
-
2020
- 2020-09-29 CN CN202011052434.8A patent/CN112252080A/en active Pending
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