湿纸页脱水设备

By setting up two sets of vacuum suction boxes connected to the turbine blower in the wet paper dewatering equipment, and combining the design of pressure rollers and filter screens, the problem of high energy consumption of the flat rollers is solved, achieving efficient dewatering of wet paper and reducing energy consumption.

CN224513930UActive Publication Date: 2026-07-17TAIZHOU FOREST PAPER CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
TAIZHOU FOREST PAPER CO LTD
Filing Date
2025-07-04
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing wet paper dewatering equipment uses vacuuming at the dry roll, resulting in high energy consumption and difficulty in effectively improving the dryness of the wet paper, which affects production costs and quality control.

Method used

Two sets of vacuum suction boxes are connected to the first turbine blower and the second turbine blower respectively. The vacuum suction boxes remove moisture from the wet paper sheet, avoiding vacuuming at the flat roller. Combined with the design of the pressure roller assembly and filter screen, the dewatering efficiency and equipment life are improved.

Benefits of technology

It reduces the energy consumption of the sliding roll, improves the dryness and dewatering efficiency of the wet paper sheet, extends the service life of the turbine blower, and reduces production costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

本申请涉及纸张生产设备领域,一种湿纸页脱水设备包括机架、第一透平风机、第二透平风机、真空吸水箱和伏辊,伏辊转动连接于机架,伏辊用于驱动湿纸页滑动,真空吸水箱连接于机架,真空吸水箱设有若干个,若干真空吸水箱分为两组,两组真空吸水箱沿垂直于伏辊转动轴线的方向间隔分布,第一透平风机和第二透平风机均连接于机架,第一透平风机和第二透平风机通过管道分别与两组真空吸水箱连接。两组真空吸水箱分别于第一透平风机和第二透平风机连接,使得经过真空吸水箱上方的湿纸页中的部分上方被真空吸水箱抽吸脱离湿纸页,提高湿纸页的干度,伏辊处不抽真空,使得湿纸页不会在外界大气压的作用下抵紧伏辊外壁,降低伏辊带动湿纸页滑动的能耗。
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Claims

1. A wet paper sheet dewatering apparatus characterized by: The machine includes a frame (1), a first turbine fan (21), a second turbine fan (22), a vacuum suction box (3), and a wet roller (41); the wet roller (41) is rotatably connected to the frame (1); the rotation axis of the wet roller (41) is horizontal; the wet roller (41) is used to drive the wet paper sheet to slide in a direction perpendicular to the rotation axis of the wet roller (41); the vacuum suction box (3) is connected to the frame (1); there are several vacuum suction boxes (3); the several vacuum suction boxes (3) are divided into two groups; the two groups of vacuum suction boxes (3) are distributed at intervals in a direction perpendicular to the rotation axis of the wet roller (41); the first turbine fan (21) and the second turbine fan (22) are both connected to the frame (1); the first turbine fan (21) and the second turbine fan (22) are connected to the two groups of vacuum suction boxes (3) respectively through pipes.

2. The wet paper sheet dewatering apparatus according to claim 1, characterized by: The vacuum water absorption box (3) is provided in three parts; the three vacuum water absorption boxes (3) are arranged in sequence along the wet paper sheet conveying direction; the first two vacuum water absorption boxes (3) are connected to the first turbine fan (21); the third vacuum water absorption box (3) is connected to the second turbine fan (22).

3. The wet web dewatering apparatus of claim 1, wherein: It also includes a water storage tank (5); the water storage tank (5) has a cavity (51) at its upper end; the vacuum suction tank (3) includes a box body (31), a horizontal plate (32) and a pressure roller assembly (33); the box body (31) has a liquid storage chamber (311) at its upper end; the liquid storage chamber (311) has an outlet (312) at its bottom; the outlet (312) is connected to the cavity (51); the liquid storage chamber (311) has a connecting hole (313) on its wall; the connecting hole (313) is connected to the first turbine blower (21) or the second turbine blower (22) through a pipe; the horizontal plate (32) is connected to... The box (31) covers the opening of the liquid storage chamber (311); the side surface of the horizontal plate (32) away from the bottom of the liquid storage chamber (311) is used to fit against the lower surface of the wet paper sheet; the horizontal plate (32) is provided with a liquid passage groove (321); the liquid passage groove (321) connects the liquid storage chamber (311) to the outside; the pressure roller assembly (33) is provided with two pressure rollers (331); the pressure rollers (331) are rotatably connected to the upper end of the box (31); the rotation axis of the pressure rollers (331) is parallel to the rotation axis of the flat roller (41); the two pressure rollers (331) respectively abut against the two sides of the wet paper sheet.

4. The wet web dewatering apparatus of claim 3, wherein: The vacuum water suction box (3) also includes a positioning component (34); the side wall of the horizontal plate (32) is provided with a plurality of fixing grooves (3221); the plurality of fixing grooves (3221) are distributed at intervals along the circumference of the horizontal plate (32); the positioning component (34) includes quick clamps (341); the number of quick clamps (341) is the same as the number of fixing grooves (3221) and corresponds one to one; the quick clamps (341) are connected to the box body (31); the quick clamps (341) are used to embed into the fixing grooves (3221) to achieve relative fixation of the box body (31) and the horizontal plate (32).

5. The wet web dewatering apparatus of claim 3, wherein: The vacuum water suction box (3) also includes a filter screen (35); the filter screen (35) is embedded in the liquid storage chamber (311); the filter screen (35) is located above the connecting hole (313); the filter screen (35) has a number of filter holes (3511) evenly distributed; the filter holes (3511) connect the two sides of the filter screen (35).

6. The wet web dewatering apparatus of claim 5, wherein: The vacuum water suction box (3) also includes a cam (361), a connecting plate (362), a pin (363), and a transmission assembly (37); the connecting plate (362) is slidably embedded in the liquid storage chamber (311); the sliding direction of the connecting plate (362) is vertical; the number of pins (363) is the same as the number of filter holes (3511) and corresponds one-to-one; the lower end of the pin (363) is connected to the connecting plate (362); the upper end of the pin (363) is used to embed into the filter hole (3511); the cam (361) is rotatably embedded in the liquid storage chamber (311); the rotation axis of the cam (361) is parallel to the rotation axis of the extrusion roller (331); the outer wall of the cam (361) abuts against the lower end of the connecting plate (362); the transmission assembly (37) is connected between the cam (361) and the extrusion roller (331).

7. The wet web dewatering apparatus of claim 6, wherein: The upper outer periphery of the ejector pin (363) is provided with a rounded corner (3631); the rounded corner (3631) is used to abut against the wall of the filter hole (3511).

8. The wet web dewatering apparatus of claim 6, wherein: The vacuum suction tank (3) also includes a lead screw (382) and a scraper (381); the scraper (381) is slidably connected to the side surface of the filter screen (35) away from the wall of the liquid storage chamber (311); the sliding direction of the scraper (381) is horizontal; the filter screen (35) is connected to a collection hopper (352) on both sides along the sliding direction of the scraper (381); the lead screw (382) is rotatably connected to the box body (31); the lead screw (382) is threadedly connected to the scraper (381); the transmission assembly (37) is connected between the lead screw (382) and the extrusion roller (331).

9. The wet web dewatering apparatus of claim 3, wherein: The bottom of the liquid storage chamber (311) is provided with an overflow port (314); the overflow port (314) is connected to the cavity (51); the bottom of the liquid storage chamber (311) is connected to an overflow pipe (315); the overflow pipe (315) is connected to the overflow port (314); the upper end of the overflow pipe (315) is located below the connecting hole (313).

10. The wet web dewatering apparatus of claim 3, wherein: The pressure roller assembly (33) also includes a sliding seat (332); the sliding seat (332) is slidably connected to the frame (1); the sliding direction of the sliding seat (332) is vertical; the extrusion roller (331) away from the bottom of the liquid storage chamber (311) is rotatably connected to the lower end of the sliding seat (332).