Wet fiber pneumatic drying pipeline process control device

By adopting a multi-seal structure in the wet fiber airflow drying pipeline process control device, the problem of hot air leakage at the feed inlet is solved, the hot air utilization rate and equipment economy are improved, and operational safety and equipment maintenance convenience are ensured.

CN224018752UActive Publication Date: 2026-03-20HUAIAN HUIFENG WOOD CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-14
Publication Date
2026-03-20

AI Technical Summary

Technical Problem

Existing wet fiber airflow drying pipeline process control devices lack effective hot air sealing measures near the feed inlet, resulting in hot air leakage, affecting hot air utilization and energy consumption, and posing a threat to the environment and the health and safety of operators.

Method used

The system employs a multi-layered sealing structure, including an annular groove sealing gasket at the bottom of the outer ring base plate and the cover plate, a sealing plate at the center of the inner trapezoidal ring plate and the cover plate, and a sealing gasket and positioning plate snap-fit ​​design between the cover plate and the top of the feed pipe, forming multiple sealing barriers to ensure that hot air does not leak.

Benefits of technology

It improves the utilization rate of hot air, reduces energy consumption, increases the drying speed and process economy of wet fiber materials, facilitates equipment maintenance and seal replacement, and extends the service life of the equipment.

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Patent Text Reader

Abstract

The utility model discloses a wet fiber airflow drying pipeline process control device which comprises a feeding box, one side of the feeding box is communicated with a heating box, the top and the bottom in the heating box are both fixedly provided with heating pipes, an air inlet hole in one side of the heating box is communicated with an air blower, the top of the feeding box is communicated with a feeding pipe, and the feeding pipe is communicated with an air outlet hole in the other side of the heating box. The other side of the feeding box communicates with a U-shaped pipeline, and the other side of the U-shaped pipeline communicates with a material collecting box. According to the wet fiber airflow drying pipeline process control device, an annular plate fixed to an outer ring bottom plate is in close contact with a first sealing gasket in an annular groove formed in the bottom of a cover plate, a first sealing barrier is formed, and hot air is effectively prevented from leaking from a gap in the top of a feeding port; and a second sealing gasket fixed to the top of the inner trapezoidal annular plate is tightly attached to a sealing plate fixed to the center of the bottom of the cover plate, second sealing is formed, the sealing effect is further enhanced, and the sealing performance can be kept even under high pressure.
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Description

TECHNICAL FIELD

[0001] The utility model relates to wet fiber drying technical field, concretely is a kind of wet fiber airflow drying pipeline process control device. BACKGROUND

[0002] In the wet fiber airflow drying pipeline process, wet fiber material needs to go through a series of processing steps, including feeding, heating drying, conveying and collecting etc. Among them, the sealing performance at feeding place plays a crucial role in the efficiency and quality of the whole drying process.

[0003] In the wet fiber airflow drying process, hot air is the key drying medium. However, the existing wet fiber airflow drying pipeline process control device often lacks effective sealing measures for hot air near the feeding port. When hot air passes through the heating box to dry the wet fiber material, if the feeding port is not sealed tightly, hot air may leak out of the feeding port, resulting in reduced utilization rate of hot air and increased energy consumption. In addition, hot air leakage may also pollute the working environment and affect the health and safety of operators. SUMMARY

[0004] The utility model aims at providing a kind of wet fiber airflow drying pipeline process control device to solve the above-mentioned background technique in the wet fiber airflow drying process, hot air is the key drying medium. However, the existing wet fiber airflow drying pipeline process control device often lacks effective sealing measures for hot air near the feeding port. When hot air passes through the heating box to dry the wet fiber material, if the feeding port is not sealed tightly, hot air may leak out of the feeding port, resulting in reduced utilization rate of hot air and increased energy consumption. In addition, hot air leakage may also pollute the working environment and affect the health and safety of operators.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of wet fiber airflow drying pipeline process control device, including feeding box, the side of the feeding box is communicated with heating box, heating pipe is fixedly installed at the top and bottom in the heating box, the air inlet hole of the side of the heating box is communicated with the air blower, the top of the feeding box is communicated with feeding pipe, the other side of the feeding box is communicated with U-shaped pipeline, the other side of the U-shaped pipeline is communicated with the collection box, the top of the feeding pipe is provided with cover plate, the top of the feeding box is fixedly connected with outer ring bottom plate corresponding to the outside of feeding pipe, the outside of the bottom of cover plate is equipped with annular groove, the inner wall of the annular groove is fixedly connected with sealing gasket one, the inner position of the feeding pipe is fixedly connected with inner trapezoidal ring plate, the top of the inner trapezoidal ring plate is fixedly connected with sealing gasket two, the top of the feeding pipe is fixedly connected with sealing gasket three, the top of sealing gasket three and the inner bottom of cover plate are in contact with the outside.

[0006] Compared with the prior art, the utility model has the advantages of

[0007] The wet fiber airflow drying pipeline process control device, through the close contact between the annular plate fixed on the outer ring bottom plate and the sealing gasket in the annular groove at the bottom of the cover plate, forms a first sealing barrier, effectively prevents hot air from leaking from the top seam of the feeding port, the sealing gasket two fixed at the top of the inner trapezoidal ring plate closely adheres to the sealing plate fixed at the center of the bottom of the cover plate, forms a second sealing, further enhances the sealing effect, can maintain the sealing property even under higher pressure, the sealing gasket three fixed at the top of the feeding pipe contacts the inner bottom of the cover plate and is penetrated by the annular positioning plate and is clamped with the positioning groove, forms a third sealing, ensures that hot air cannot leak through the tiny gap between the cover plate and the feeding pipe, due to the adoption of the multiple sealing structure, reduces the hot air leakage from the feeding port, thereby improves the utilization rate of the hot air, which not only helps to speed up the drying speed of the wet fiber material, but also significantly reduces the energy consumption, improves the economy of the overall process, through the clamping design of the outer connecting groove and the outer connecting plate and the fastening effect of the fixing bolt, the disassembly and installation of the cover plate are more convenient, which not only facilitates daily maintenance and inspection, but also facilitates replacement of the sealing element when needed, prolongs the service life of the equipment. BRIEF DESCRIPTION OF DRAWINGS

[0008] Figure 1 It is a structural schematic diagram of the utility model;

[0009] Figure 2 It is a structural schematic diagram of the utility model Figure 1 It is a partial enlarged schematic diagram of A of the utility model;

[0010] Figure 3 It is a structural perspective view of the inner trapezoidal ring plate of the utility model;

[0011] Figure 4 It is a structural perspective view of the outer annular plate of the utility model.

[0012] In the drawing: 1, feeding box; 2, heating box; 3, heating pipe; 4, air blower; 5, U-shaped pipeline; 6, material collecting box; 7, air suction fan; 8, screen; 9, cover plate; 10, feeding pipe; 11, outer ring bottom plate; 12, annular groove; 13, annular plate; 14, sealing gasket one; 15, inner trapezoidal ring plate; 16, sealing plate; 17, sealing gasket two; 18, positioning groove; 19, sealing gasket three; 20, annular positioning plate; 21, outer connecting groove; 22, annular outer plate; 23, outer connecting plate; 24, fixing bolt. DETAILED DESCRIPTION

[0013] Clearly, the described embodiments are merely part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present utility model.

[0014] Please refer to Figures 1-4 The utility model provides a technical scheme: a kind of wet fibre airflow drying pipeline process control device, including feed tank 1, the side of feed tank 1 is communicated with heating tank 2, and heating pipe 3 is fixedly installed in the top and bottom of heating tank 2, and the air inlet hole of heating tank 2 side is communicated with air blower 4, and the top of feed tank 1 is communicated with feed pipe 10, and the other side of feed tank 1 is communicated with U-shaped pipeline 5, and the other side of U-shaped pipeline 5 is communicated with material collecting tank 6, and the top of feed pipe 10 is provided with cover plate 9, and the top of feed tank 1 is fixedly connected with outer ring bottom plate 11 corresponding to the outside of feed pipe 10, and annular groove 12 is formed in the outside of the bottom of cover plate 9, and sealing gasket one 14 is fixedly connected to the inner wall of annular groove 12, and inner trapezoidal ring plate 15 is fixedly connected to the top position in feed pipe 10, and sealing gasket two 17 is fixedly connected to the top of inner trapezoidal ring plate 15, and sealing gasket three 19 is fixedly connected to the top of feed pipe 10, and the top of sealing gasket three 19 is in contact with the outside of the inner bottom of cover plate 9.

[0015] Material collecting tank 6 top one side is fixedly installed with suction fan 7, and the input end of the bottom of suction fan 7 is communicated with the top of material collecting tank 6, and the top of the inside of material collecting tank 6 is fixedly installed with blocking net 8 corresponding to the below of the input end of the bottom of suction fan 7.

[0016] The top of outer ring bottom plate 11 is fixedly connected with annular plate 13, and the top of annular plate 13 penetrates to the inside of annular groove 12 and is in contact with the inner wall of sealing gasket one 14.

[0017] The center of the bottom of cover plate 9 is fixedly connected with sealing plate 16, and the outside of the bottom of sealing plate 16 penetrates to the inside of feed pipe 10 and is in contact with the outside of the top of inner trapezoidal ring plate 15, and the top of sealing gasket two 17 is in contact with the bottom of sealing plate 16.

[0018] The outside position of the inner bottom of cover plate 9 is annularly provided with positioning groove 18, and the center of the top of feed pipe 10 is fixedly connected with annular positioning plate 20, and the top of annular positioning plate 20 penetrates sealing gasket three 19 and positioning groove 18 in sequence and is clamped with positioning groove 18.

[0019] The bottom of the cover plate 9 is provided with an outer connecting groove 21, the outer side of the top of the outer ring bottom plate 11 is fixedly connected with an annular outer plate 22, the bottom of the inner two sides of the annular outer plate 22 is fixedly connected with an outer connecting plate 23, and the side, away from the annular outer plate 22, of the outer connecting plate 23 penetrates into the inside of the outer connecting groove 21 and is clamped with the outer connecting groove 21.

[0020] The top of the annular outer plate 22 is threadedly connected with a fixing bolt 24, one side of the fixing bolt 24 penetrates the outer connecting plate 23 and the cover plate 9 in sequence and is threadedly connected with the cover plate 9.

[0021] Working principle: The wet fiber material is continuously or intermittently sent into the feeding box 1 through the feeding pipe 10, the air blower 4 is started, the outside air or the preheated air is sent into the heating box 2 through the air inlet, the top and the bottom of the heating box 2 are fixedly installed with heating pipes 3, the heating pipes 3 heat the passing air to form hot air, the hot air circulates in the heating box 2 and transmits heat to the wet fiber material through the communication part of the feeding box 1 and the heating box 2, so as to realize the preliminary heating and drying of the wet fiber, the heated wet fiber becomes loose and the water content is reduced, then is transported through the U-shaped pipe 5 communicated with the other side of the feeding box 1, the dried wet fiber transported through the U-shaped pipe 5 finally enters the collecting box 6, the top of the collecting box 6 is fixedly installed with the air suction fan 7, the air suction fan 7 is started, the air in the collecting box 6 is sucked out through the communication part between the bottom input end of the air suction fan 7 and the top of the collecting box 6, the top of the collecting box 6 is fixedly installed with the blocking net 8 below the bottom input end of the air suction fan 7, the blocking net 8 prevents larger fiber particles or impurities from being directly sucked into the air suction fan 7 and allows air and smaller particles to pass through; the cover plate 9 is matched with the annular plate 13 on the outer ring bottom plate 11 through the annular groove 12 at the bottom of the cover plate 9, and is tightly contacted with the sealing gasket 1 4 to form the first sealing, the sealing plate 16 fixedly connected with the center of the bottom of the cover plate 9 is matched with the inner trapezoidal ring plate 15 in the feeding pipe 10 and the sealing gasket 2 17 to form the second sealing, the positioning groove 18 annularly arranged at the outer side of the inner bottom of the cover plate 9 is clamped with the annular positioning plate 20 at the top of the feeding pipe 10 and is contacted with the sealing gasket 3 19 to form the third sealing, and the outer connecting grooves 21 arranged at the bottom of the two sides of the cover plate 9 are matched with the annular outer plate 22 and the outer connecting plate 23 on the outer ring bottom plate 11 and are fastened by the fixing bolt 24 to ensure that the cover plate 9 is stably and sealingly fixed on the feeding pipe 10.

[0022] In summary: the wet fiber airflow drying pipeline process control device, through the fixed annular plate 13 on the outer ring bottom plate 11 and the sealing gasket 1 14 in the annular groove 12 on the bottom of the cover plate 9, the first sealing barrier is formed, which effectively prevents hot air from leaking from the top seam of the feed inlet, the sealing gasket 2 17 fixed on the top of the inner trapezoidal ring plate 15 is tightly attached to the sealing plate 16 fixed on the bottom center of the cover plate 9, forming a second sealing, further enhancing the sealing effect, even at higher pressure, the sealing property can be maintained, the sealing gasket 3 19 fixed on the top of the feed pipe 10 is in contact with the inner bottom of the cover plate 9, and the annular positioning plate 20 penetrates the sealing gasket 3 19 and is clamped with the positioning groove 18, forming a third sealing, ensuring that hot air will not leak through the small gap between the cover plate 9 and the feed pipe 10, since multiple sealing structures are used, the hot air leakage from the feed inlet is reduced, thereby improving the utilization rate of hot air, which not only helps to speed up the drying speed of the wet fiber material, but also significantly reduces the energy consumption, improves the overall process economy, through the clamping design of the outer connecting groove 21 and the outer connecting plate 23, and the fastening effect of the fixed bolt 24, the disassembly and installation of the cover plate 9 are more convenient, which not only facilitates daily maintenance and inspection, but also facilitates replacement of the sealing element when needed, prolonging the service life of the equipment.

[0023] It should be noted that, in this document, the terms such as first and second are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between such entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0024] The electrical components appearing in this document are all connected with the main controller and 220V mains electricity from the outside, and the main controller can be a conventional known device controlled by a computer or the like.

[0025] Although the embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A process control device for a wet fiber airflow drying pipeline, comprising a feed box (1), characterized in that: One side of the feeding box (1) is connected to a heating box (2). Heating tubes (3) are fixedly installed at the top and bottom of the heating box (2). A blower (4) is connected to an air inlet on one side of the heating box (2). A feeding pipe (10) is connected to the top of the feeding box (1). A U-shaped pipe (5) is connected to the other side of the feeding box (1). A collection box (6) is connected to the other side of the U-shaped pipe (5). A cover plate (9) is provided on the top of the feeding pipe (10). The top of the feeding box (1) corresponds to the feeding pipe (10). An outer ring bottom plate (11) is fixedly connected to the outside of the cover plate (9). An annular groove (12) is opened on the outer side of the bottom of the cover plate (9). A sealing gasket (14) is fixedly connected to the inner wall of the annular groove (12). An inner trapezoidal ring plate (15) is fixedly connected to the top of the feed pipe (10). A sealing gasket (17) is fixedly connected to the top of the inner trapezoidal ring plate (15). A sealing gasket (19) is fixedly connected to the top of the feed pipe (10). The top of the sealing gasket (19) is in contact with the outer side of the bottom of the cover plate (9).

2. The wet fiber airflow drying pipeline process control device according to claim 1, characterized in that: A suction fan (7) is fixedly installed on one side of the top of the collection box (6). The bottom input end of the suction fan (7) is connected to the top of the collection box (6). A baffle (8) is fixedly installed on the top of the collection box (6) below the bottom input end of the suction fan (7).

3. The wet fiber airflow drying pipeline process control device according to claim 1, characterized in that: The top of the outer ring bottom plate (11) is fixedly connected to an annular plate (13), the top of the annular plate (13) extends through the interior of the annular groove (12) and contacts the inner wall of the sealing gasket (14).

4. The wet fiber airflow drying pipeline process control device according to claim 1, characterized in that: A sealing plate (16) is fixedly connected to the center of the bottom of the cover plate (9). The outer side of the bottom of the sealing plate (16) extends into the interior of the feed pipe (10) and contacts the outer side of the top of the inner trapezoidal ring plate (15). The top of the sealing gasket (17) contacts the bottom of the sealing plate (16).

5. The wet fiber airflow drying pipeline process control device according to claim 1, characterized in that: The cover plate (9) has a positioning groove (18) on the outer side of the bottom of the inner side. The center of the top of the feed pipe (10) is fixedly connected to an annular positioning plate (20). The top of the annular positioning plate (20) passes through the sealing gasket (19) and the positioning groove (18) in sequence and is engaged with the positioning groove (18).

6. The wet fiber airflow drying pipeline process control device according to claim 1, characterized in that: The bottom of both sides of the cover plate (9) is provided with an external connecting groove (21). An annular outer plate (22) is fixedly connected to the outer side of the top of the outer ring bottom plate (11). An external connecting plate (23) is fixedly connected to the bottom of both sides of the annular outer plate (22). The side of the external connecting plate (23) away from the annular outer plate (22) extends into the interior of the external connecting groove (21) and engages with the external connecting groove (21).

7. The wet fiber airflow drying pipeline process control device according to claim 6, characterized in that: The annular outer plate (22) has a fixing bolt (24) threaded on both sides near the top. One side of the fixing bolt (24) passes through the outer connecting plate (23) and the cover plate (9) and is threaded to the cover plate (9).