CN116024837A - Multidirectional drying equipment of fourdrinier and drying method thereof - Google Patents
Multidirectional drying equipment of fourdrinier and drying method thereof Download PDFInfo
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- CN116024837A CN116024837A CN202211687068.2A CN202211687068A CN116024837A CN 116024837 A CN116024837 A CN 116024837A CN 202211687068 A CN202211687068 A CN 202211687068A CN 116024837 A CN116024837 A CN 116024837A
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- 238000001035 drying Methods 0.000 title claims abstract description 115
- 230000005540 biological transmission Effects 0.000 claims abstract description 55
- 230000007246 mechanism Effects 0.000 claims abstract description 48
- 238000010438 heat treatment Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 3
- 230000009471 action Effects 0.000 abstract description 3
- 238000001816 cooling Methods 0.000 description 4
- 238000007792 addition Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000003490 calendering Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
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Abstract
The invention discloses multidirectional drying equipment of a fourdrinier and a drying method thereof, and relates to the technical field of papermaking drying; in order to solve the problem that paper is easy to adhere to a rotating roller in the paper making and drying process, so that the paper is easy to tear; the equipment includes the stoving box, still includes: the supporting mechanism comprises a fixed connecting rod fixedly connected to the inner wall of the drying box body. According to the invention, the drying mechanism is used for guiding hot air into the drying box body and shoveling off paper adhered to the transmission roller, so that tearing of the paper under the action of traction force after adhesion in the drying process is avoided, the practicability of the device is improved, the supporting mechanism is used for limiting the height of the transmission roller, when the paper is adhered to the transmission roller, the transmission roller can be upwards moved under the traction force of paper transmission, and further, a shovel blade on the drying mechanism shovels off the paper, and the paper adhered to the transmission roller after drying is prevented from being directly torn.
Description
Technical Field
The invention relates to the technical field of papermaking drying, in particular to multidirectional drying equipment of a fourdrinier and a drying method thereof.
Background
The fourdrinier paper machine is composed of a wet end and a dry end, and is the most widely used paper machine, wherein the wet end comprises a headbox, a former and a press part, and the dry end comprises drying, calendaring and reeling.
Through retrieval, the patent with the Chinese patent application number of CN201920810251.4 discloses a multi-cylinder drying device of a multi-cylinder fourdrinier, which comprises a box body, wherein a heat insulation plate is arranged in the box body, the heat insulation plate divides the inner space of the box body into a preheating part, a drying part and a cooling part, a first guide roller and a second guide roller which are staggered up and down are arranged in the preheating part, a plurality of upper drying cylinders and lower drying cylinders which are staggered up and down are arranged in the drying part, a third guide roller and a fourth guide roller which are staggered up and down are arranged in the cooling part, an upper drying net of a closed loop is formed among the first guide roller, the upper drying cylinders and the third guide roller through rollers, and a lower drying net of a closed loop is formed among the second guide roller, the lower drying cylinders and the fourth guide roller through rollers; a heat transfer pipe is arranged between the cooling part and the preheating part, an outlet of the heat transfer pipe extends into the preheating part and is connected with a blowing pipe, and cleaning equipment for cleaning the upper dry net and the lower dry net is arranged in the cooling part.
The multi-cylinder drying device of the multi-cylinder fourdrinier in the patent adopts the roller to carry the paper for transmission, and simultaneously heats the roller to dry the paper, and the drying mode easily enables the paper to be adhered on the roller in the drying process, and the paper is torn in the paper transmission process.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides multidirectional drying equipment and a drying method of a fourdrinier machine.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
a multidirectional drying apparatus for a fourdrinier machine, comprising a drying box, further comprising: the support mechanism comprises a fixed connecting rod fixedly connected to the inner wall of the drying box body, the upper end and the lower end of the fixed connecting rod are fixedly connected with hollow cylinders, telescopic springs are arranged in the hollow cylinders, one ends of the telescopic springs are fixedly connected with telescopic connecting rods, and one ends of the telescopic connecting rods are fixedly connected with arc-shaped sliding blocks; the transmission rotating roller is characterized in that a sliding connecting groove is formed in the inner wall of the middle of the transmission rotating roller, and one end of the arc-shaped sliding block is connected to the inner wall of the sliding connecting groove in a sliding manner; the drying mechanism comprises a fixed pipeline fixedly connected to the inner wall of the drying box body, one side of the fixed pipeline is fixedly connected with a plurality of diversion pipelines, one end of each diversion pipeline is fixedly connected with a same bearing pipeline, one end of each bearing pipeline is provided with uniformly distributed heating nozzles, and the outer wall of the bottom end of each bearing pipeline is fixedly connected with a scraper knife; the limiting mechanism comprises an electric telescopic rod fixed on the inner wall of the casing (01), wherein a bearing connecting plate is fixedly connected to the outer wall of one end of the telescopic end of the electric telescopic rod, and limiting rotating rollers which are symmetrically distributed are rotationally connected to the outer wall of the top of the bearing connecting plate.
Preferably: the outer wall of one side of the drying box body is fixedly connected with a warm air pump, and the outer wall of the other side of the drying box body is provided with a box door.
Preferably: the outer wall processing of stoving box top has two arc openings, two arc opening inner wall all rotates to be connected with the commentaries on classics roller.
Preferably: the number of the supporting mechanisms is more than three, and the supporting mechanisms are distributed in a staggered mode.
Preferred as the present invention: the number of the limiting mechanisms is two less than that of the supporting mechanisms.
Further preferred as the present invention is: the limiting mechanism is arranged between adjacent transmission rotating rollers with the same height.
Further preferred as the present invention is: and the outer walls around the transmission rotating roller are fixedly connected with a reticular cylinder.
Further preferred as the present invention is: through holes which are uniformly distributed are processed in the two ends of the transmission rotating roller.
A drying method of multi-directional drying equipment of a fourdrinier machine specifically comprises the following steps:
s1: opening a box door of the drying box body, enabling the paper transmitted from the wet part to pass through the arc-shaped opening, bypassing the transmission rotating roller, and finally guiding out through the arc-shaped opening at the other end of the drying box body;
s2: starting the electric telescopic rod to enable the limiting rotating roller to be positioned in the middle of the transmission rotating roller, and closing a door of the drying box body;
s3: and starting a warm air pump to dry the paper inside the drying box body through the drying mechanism.
The beneficial effects of the invention are as follows:
1. the drying mechanism is used for shoveling off the paper adhered to the transmission roller when the hot air is led into the drying box, so that the paper is prevented from tearing under the action of traction force after being adhered in the drying process, the practicability of the device is improved, the supporting mechanism is used for limiting the height of the transmission roller, the transmission roller can be moved upwards under the traction force of paper transmission when the paper is adhered to the transmission roller, and then a shovel blade on the drying mechanism shovels off the paper, and the paper adhered to the transmission roller after being dried is prevented from being directly torn.
2. The limiting mechanism is used for limiting the distance between the paper and the transmission roller, so that the paper is tightly attached to the transmission roller, the drying process of the paper and the effectiveness of the transmission process are ensured, and the dried paper is prevented from being separated from the transmission roller.
3. The through holes on the transmission rotating roller can enable hot air sprayed out of the heating nozzle to quickly fill the inside of the transmission rotating roller and dry paper from the inside of the transmission rotating roller, so that the contact area between the transmission rotating roller and the paper is reduced while the drying efficiency is accelerated, the contact area between the paper and hot air in the drying box body can be increased by the mesh cylinder, the drying efficiency is improved, and meanwhile, the contact area between the paper and the mesh cylinder is reduced by the mesh cylinder, so that the probability of adhering the paper on the mesh cylinder is reduced.
Drawings
Fig. 1 is a schematic view showing the overall structure of a multi-directional drying apparatus of a fourdrinier machine according to a first embodiment;
FIG. 2 is a schematic view showing the internal configuration of a multi-directional drying apparatus of a fourdrinier machine according to the first embodiment;
fig. 3 is a schematic view of a limiting mechanism of a multi-directional drying apparatus of a fourdrinier machine according to a first embodiment;
fig. 4 is a schematic diagram showing a drying mechanism of a multi-directional drying apparatus of a fourdrinier machine according to a first embodiment;
fig. 5 is a schematic cross-sectional view of a supporting mechanism of a multi-directional drying apparatus of a fourdrinier machine according to a first embodiment;
fig. 6 is a schematic view of a conveying roller of a multi-directional drying apparatus of a fourdrinier machine according to a second embodiment;
fig. 7 is a schematic view of a conveying roller of a multi-directional drying apparatus of a fourdrinier machine according to a third embodiment.
In the figure: 1-drying box, 2-arc opening, 3-warm air pump, 4-stop gear, 401-electric telescopic rod, 402-bearing connecting plate, 403-limit rotating roller, 5-transmission rotating roller, 6-drying mechanism, 601-fixed through pipe, 602-diversion pipeline, 603-bearing pipeline, 604-heating nozzle, 605-shovel blade, 7-supporting mechanism, 701-fixed connecting rod, 702-telescopic connecting rod, 703-hollow cylinder, 704-telescopic spring, 705-arc sliding block, 8-sliding connecting groove, 9-mesh cylinder and 10-through hole.
Detailed Description
The technical scheme of the patent is further described in detail below with reference to the specific embodiments.
Embodiments of the present patent are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely for convenience in describing the patent and simplifying the description, and do not limit the device, structure, or element to which it refers to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the patent.
Embodiment one:
the multi-azimuth drying equipment of a fourdrinier machine, referring to figures 1, 2, 4 and 5, comprises a drying box body 1, wherein more than three supporting mechanisms 7 distributed in a staggered way are arranged inside the drying box body 1, each supporting mechanism 7 comprises a fixed connecting rod 701 fixedly connected to the inner wall of the drying box body 1, the upper end and the lower end of each fixed connecting rod 701 are fixedly connected with a hollow cylinder 703, a telescopic spring 704 is arranged inside each hollow cylinder 703, one end of each telescopic spring 704 is fixedly connected with a telescopic connecting rod 702, one end of each telescopic connecting rod 702 is fixedly connected with an arc-shaped sliding block 705, the equipment further comprises a transmission rotating roller 5, a sliding connecting groove 8 is processed on the inner wall of the middle part of the transmission rotating roller 5, one end of each arc-shaped sliding block 705 is slidably connected to the inner wall of the sliding connecting groove 8, the inside stoving mechanism 6 that is provided with of stoving box 1, the quantity of stoving mechanism 6 is the same with the quantity of supporting mechanism 7, stoving mechanism 6 is including fixed pipeline 601 on the inner wall of stoving box 1 of fixed pipeline 601, fixed pipeline 601 one side fixedly connected with a plurality of water conservancy diversion pipelines 602, a plurality of water conservancy diversion pipeline 602 one end fixedly connected with same carrier tube 603, carrier tube 603 one end processing has evenly distributed's heating nozzle 604, carrier tube 603 bottom outer wall fixedly connected with shovel sword 605, stoving box 1 one side outer wall fixedly connected with warm air pump 3, stoving box 1 opposite side outer wall processing has the chamber door, stoving box 1 top outer wall processing has two arc openings 2, two arc opening 2 inner walls all rotate and are connected with the commentaries on classics roller;
the drying mechanism 6 is used for guiding hot air into the drying box 1 and shoveling off paper adhered to the transmission roller 5 at the same time, so that tearing of the paper under the action of traction force after adhesion in the drying process is avoided, the practicability of the device is improved, the supporting mechanism 7 is used for limiting the height of the transmission roller 5, when the paper is adhered to the transmission roller 5, the transmission roller 5 can be upwards moved under the traction force of paper transmission, and then the shovel blade 605 on the drying mechanism 6 shovels off the paper, and the paper adhered to the transmission roller 5 after drying is prevented from being directly torn;
the number of the preferable supporting mechanisms 7 is five, so that the paper can be fully dried in the drying box body 1, and meanwhile, the transmission rotating rollers 5 on the five supporting mechanisms 7 which are distributed in a staggered way ensure that the length of the paper in the drying box body 1 is longer, so that the effect of drying is achieved by fully utilizing hot air generated by the warm air pump 3, and the waste of energy sources is avoided.
Referring to fig. 4, a plurality of limiting mechanisms 4 are fixedly connected inside the drying box 1, the number of the limiting mechanisms 4 is two less than that of the supporting mechanisms 7, the limiting mechanisms 4 comprise electric telescopic rods 401, a bearing connecting plate 402 is fixedly connected to the outer wall of one end of a telescopic end of each electric telescopic rod 401, symmetrically distributed limiting rotating rollers 403 are rotatably connected to the outer wall of the top of each bearing connecting plate 402, and the limiting mechanisms 4 are arranged in the middle of adjacent transmission rotating rollers 5 with the same height;
the spacing mechanism 4 is used for spacing the distance between paper and the transmission roller 5, ensures that the paper is clung to the transmission roller 5, ensures the effectiveness of the drying process and the transmission process of the paper, and prevents the dried paper from separating from the transmission roller 5, thereby influencing the whole operation of the device.
When the paper drying machine is used, a worker opens the door of the drying box 1, the paper conveyed by the fourdrinier from the wet part passes through the rotary rollers on the arc-shaped opening 2, then bypasses the conveying rotary rollers 5 respectively, the rotary rollers in the arc-shaped opening 2 at the other end are led out, then the electric telescopic rod 401 is driven to enable the limiting rotary rollers 403 to move to the middle part of the corresponding conveying rotary rollers 5, the door is closed, the warm air pump 3 is electrified, warm air generated by the warm air pump 3 passes through the fixed pipeline 601 and the diversion pipeline 602, finally, the paper inside the drying box 1 is dried through the heating nozzles 604, the paper is conveyed to rotate on the supporting mechanism 7 with the conveying rotary rollers 5 in the conveying process, meanwhile, hot air of the warm air can heat the conveying rotary rollers 5, dry from the front and back sides of the paper, when the paper is dried on the conveying rotary rollers 5 and is located at a position which is about to be separated from the conveying rotary rollers 5, the traction force of the paper lifts the conveying rotary rollers 5 upwards, the knife 605 on the paper on the drying mechanism 6 is enabled to be contacted with the paper at the position which is about to be separated from the conveying rotary rollers 5, and tearing of the paper is avoided in the conveying process.
Embodiment two:
referring to fig. 6, the following additions are made to the first embodiment of the multi-directional drying apparatus of a fourdrinier machine: the outer walls around the transmission rotating roller 5 are fixedly connected with a reticular cylinder 9;
the mesh cylinder 9 can increase the contact area between the paper and the hot air inside the drying box 1, thereby improving the drying efficiency, and the mesh cylinder 9 reduces the contact area between the paper and the mesh cylinder 9, thereby reducing the probability of the paper adhering to the mesh cylinder 9.
Embodiment III:
referring to fig. 6, the following additions are made to the first embodiment of the multi-directional drying apparatus of a fourdrinier machine: penetrating holes 10 which are uniformly distributed are formed in the two ends of the transmission rotary roller 5;
the through holes 10 on the transmission roller 5 can enable the hot air sprayed out of the heating nozzle 604 to quickly fill the inside of the transmission roller 5, and dry paper from the inside of the transmission roller 5, so that the contact area between the transmission roller 5 and the paper is reduced while the drying efficiency is quickened.
Embodiment four:
a drying method of multi-directional drying equipment of a fourdrinier machine specifically comprises the following steps:
s1: opening the door of the drying box body 1, enabling the paper transmitted from the wet part to pass through the arc-shaped opening 2, bypassing the transmission rotary roller 5, and finally guiding out through the arc-shaped opening 2 at the other end of the drying box body 1;
s2: starting the electric telescopic rod 401 to enable the limit rotating roller 403 to be positioned in the middle of the transmission rotating roller 5 and closing the door of the drying box 1;
s3: and starting the warm air pump 3 to dry the paper inside the drying box body 1 through the drying mechanism 6.
While the invention has been described in terms of what are presently considered to be the most practical and preferred embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but on the contrary, is intended to cover various modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.
Claims (9)
1. Multidirectional drying equipment of fourdrinier machine, including stoving box (1), its characterized in that still includes:
the support mechanism (7) comprises a fixed connecting rod (701) fixedly connected to the inner wall of the drying box body (1), wherein the upper end and the lower end of the fixed connecting rod (701) are fixedly connected with hollow cylinders (703), telescopic springs (704) are arranged in the hollow cylinders (703), one ends of the telescopic springs (704) are fixedly connected with telescopic connecting rods (702), and one ends of the telescopic connecting rods (702) are fixedly connected with arc-shaped sliding blocks (705);
the transmission rotary roller (5), the inner wall of the middle part of the transmission rotary roller (5) is provided with a sliding connecting groove (8), and one end of the arc-shaped sliding block (705) is connected with the inner wall of the sliding connecting groove (8) in a sliding way;
the drying mechanism (6) comprises a fixed pipeline (601) fixedly connected to the inner wall of the drying box body (1), one side of the fixed pipeline (601) is fixedly connected with a plurality of guide pipelines (602), one end of each guide pipeline (602) is fixedly connected with one bearing pipeline (603), one end of each bearing pipeline (603) is provided with uniformly distributed heating nozzles (604), and the outer wall of the bottom end of each bearing pipeline (603) is fixedly connected with a scraper knife (605);
stop gear (4), including fixing electric telescopic handle (401) on 01 inner wall, electric telescopic handle (401) flexible end one end outer wall fixedly connected with bears link plate (402), bear the top outer wall rotation of link plate (402) and be connected with spacing roller (403) of symmetric distribution.
2. The multi-directional drying equipment of a fourdrinier machine according to claim 1, wherein a warm air pump (3) is fixedly connected to the outer wall of one side of the drying box body (1), and a box door is machined on the outer wall of the other side of the drying box body (1).
3. The multi-directional drying equipment of a fourdrinier machine according to claim 1, wherein two arc openings (2) are formed in the outer wall of the top end of the drying box body (1), and the inner walls of the two arc openings (2) are both connected with rotating rollers in a rotating manner.
4. A multi-directional drying apparatus for a fourdrinier machine according to claim 1, characterized in that the number of support means (7) is more than three, the support means (7) being staggered.
5. A multi-directional drying apparatus of a fourdrinier machine according to claim 4, characterized in that the number of limit mechanisms (4) is two less than the number of support mechanisms (7).
6. A multi-directional drying apparatus of a fourdrinier machine according to claim 5, characterized in that the limit mechanism (4) is arranged in the middle of adjacent transfer rolls (5) of the same height.
7. A multi-directional drying apparatus for a fourdrinier machine according to claim 1, characterized in that the outer wall of the periphery of the transfer roll (5) is fixedly connected with a mesh cylinder (9).
8. A multi-directional drying apparatus for fourdrinier machines according to claim 1, characterized in that the two ends of the transfer roll (5) are internally provided with evenly distributed through holes (10).
9. A method of drying a multi-directional drying apparatus of a fourdrinier machine according to any one of claims 1-8, characterized in that it comprises in particular the following steps:
s1: opening a box door of the drying box body (1), enabling paper transmitted from the wet part to pass through the arc-shaped opening (2), bypassing the transmission rotary roller (5), and finally guiding out through the arc-shaped opening (2) at the other end of the drying box body (1);
s2: starting the electric telescopic rod (401) to enable the limiting rotary roller (403) to be positioned in the middle of the transmission rotary roller (5) and closing a box door of the drying box body (1);
s3: and starting the warm air pump (3) to dry the paper inside the drying box body (1) through the drying mechanism (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211687068.2A CN116024837A (en) | 2022-12-27 | 2022-12-27 | Multidirectional drying equipment of fourdrinier and drying method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211687068.2A CN116024837A (en) | 2022-12-27 | 2022-12-27 | Multidirectional drying equipment of fourdrinier and drying method thereof |
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| CN116024837A true CN116024837A (en) | 2023-04-28 |
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| CN202211687068.2A Pending CN116024837A (en) | 2022-12-27 | 2022-12-27 | Multidirectional drying equipment of fourdrinier and drying method thereof |
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| CN103669088A (en) * | 2012-09-10 | 2014-03-26 | 国能纸业有限公司 | Front drying system used for multi-cylinder long mesh paper machine |
| CN108316043A (en) * | 2018-03-21 | 2018-07-24 | 桂林市世环废气处理设备有限公司 | A kind of paper machine print paper injection blower device |
| CN210216009U (en) * | 2019-05-31 | 2020-03-31 | 浙江乾鑫帆纸业有限公司 | Multi-cylinder drying device of multi-cylinder fourdrinier paper machine |
| CN212388256U (en) * | 2019-12-31 | 2021-01-22 | 杭州萧山南阳造纸有限公司 | Scraping plate mechanism for papermaking drying roller |
| CN212865431U (en) * | 2020-07-08 | 2021-04-02 | 桂林奇峰纸业有限公司 | Drying device for paper machine |
| CN112726262A (en) * | 2021-01-14 | 2021-04-30 | 广东理文造纸有限公司 | Papermaking dehydration device and dehydration method thereof |
| CN214401203U (en) * | 2021-01-14 | 2021-10-15 | 江西柯美环保技术有限公司 | High-speed paper machine |
| CN217896065U (en) * | 2022-09-01 | 2022-11-25 | 山东大星辊轴制造有限公司 | Balancing device used inside papermaking roll shaft |
-
2022
- 2022-12-27 CN CN202211687068.2A patent/CN116024837A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6231724B1 (en) * | 1993-12-08 | 2001-05-15 | Beloit Technologies, Inc. | Thermal-distortion-free doctor for papermaking |
| US20040128854A1 (en) * | 2001-03-06 | 2004-07-08 | Reijo Hassinen | Arrangement in the drying section of a paper machine |
| KR200381450Y1 (en) * | 2005-01-17 | 2005-04-11 | 유강한 | Pleated packing paper and its manufacturing device |
| CN103669088A (en) * | 2012-09-10 | 2014-03-26 | 国能纸业有限公司 | Front drying system used for multi-cylinder long mesh paper machine |
| CN108316043A (en) * | 2018-03-21 | 2018-07-24 | 桂林市世环废气处理设备有限公司 | A kind of paper machine print paper injection blower device |
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| CN212388256U (en) * | 2019-12-31 | 2021-01-22 | 杭州萧山南阳造纸有限公司 | Scraping plate mechanism for papermaking drying roller |
| CN212865431U (en) * | 2020-07-08 | 2021-04-02 | 桂林奇峰纸业有限公司 | Drying device for paper machine |
| CN112726262A (en) * | 2021-01-14 | 2021-04-30 | 广东理文造纸有限公司 | Papermaking dehydration device and dehydration method thereof |
| CN214401203U (en) * | 2021-01-14 | 2021-10-15 | 江西柯美环保技术有限公司 | High-speed paper machine |
| CN217896065U (en) * | 2022-09-01 | 2022-11-25 | 山东大星辊轴制造有限公司 | Balancing device used inside papermaking roll shaft |
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