Reed fiber processing device for civil engineering

By designing a reed fiber processing device for civil engineering, the problem of incomplete processing of reed fibers in the existing technology is solved, efficient reed fiber processing is achieved, and finished products that meet engineering needs are obtained.

CN223255533UActive Publication Date: 2025-08-22CANGZHOU ROAD&BRIDGE ENG CO +1
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Patent Information

Application Number
CN202422765428.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-13
Publication Date
2025-08-22
Estimated Expiration
2034-11-13

AI Technical Summary

Technical Problem

The prior art lacks equipment that can complete the processing and treatment of reed fibers at one time, including processes to remove parts with low fiber content, crush, cut, cut sections, and remove light and heavy impurities such as silt, leaves, and ears.

Method used

A reed fiber processing and treatment device for civil engineering is designed, including feeding mechanism, rolling mechanism, wire cutting section cutting mechanism, air selection mechanism and collection mechanism. Through rolling, wire cutting, segment cutting and air selection processes, efficient treatment of reed stems is achieved, and finished products with high fiber content are obtained.

Benefits of technology

It realizes efficient processing of reed fibers, and can be rolled, cut, cut sections and screened at one time to remove impurities and obtain finished reed fiber products that meet engineering needs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a reed fiber processing device for civil engineering. The reed fiber processing device for civil engineering comprises a rack, a feeding mechanism, a rolling mechanism, a shredding and sectioning mechanism, a winnowing mechanism and a collecting mechanism. According to the reed fiber processing device for civil engineering provided by the utility model, reed stalks enter the rolling mechanism through the feeding mechanism, are crushed by the primary crushing roller pair and are rolled into sheets, the sheet-shaped reed stalks enter the shredding and sectioning mechanism, are firstly shredded by the primary shredding roller pair, then are cut into small sections by the sectioning roller pair, and finally pass through the winnowing mechanism, so that the reed stalks are processed into the reed fibers. According to the reed fiber processing device for civil engineering provided by the utility model, the processes of rolling, shredding, sectioning, screening and collecting can be completed at one time, and the reed fiber finished product can be obtained.
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Description

Technical Field

[0001] The utility model belongs to the technical field of position limiting processing equipment, and in particular relates to a reed fiber processing device for civil engineering. Background Art

[0002] Reed fiber, as a natural fiber, has unique properties and wide application value.

[0003] Reed fiber is derived from the stems of the natural plant reed, and is obtained through processing. It has good prospects in civil engineering, especially in the application of new structural materials. Reed is a tall aquatic or wetland grass with rich fiber in its stems. It is widely distributed in my country, inexpensive, and has a certain strength. Reed fiber has the advantages of being natural, environmentally friendly, and renewable. However, since it comes from nature, reeds include roots, stems, bark, leaves, spikes and other parts, and the fiber content in different parts varies greatly. Therefore, the reed material needs to be further processed to remove the parts with low fiber content, further crush, shred, and cut into sections, remove light and heavy impurities such as mud, leaves, and spikes, retain the stems and bark parts with high fiber content, and process them into reed fibers that meet the specifications required by the project.

[0004] However, there is currently no equipment on the market that can complete the above process in one go. Utility Model Content

[0005] The utility model provides a reed fiber processing device for civil engineering, aiming to provide a reed fiber processing device which specifically meets the needs of civil engineering.

[0006] To achieve the above-mentioned purpose, the technical solution adopted by the present invention is to provide a reed fiber processing device for civil engineering, comprising:

[0007] frame;

[0008] A feeding mechanism is provided on the top of the frame and connected to the frame, and is used to receive and convey materials downward;

[0009] A roller pressing mechanism is connected to the frame at the lower side of the feeding mechanism, and the roller pressing mechanism includes a primary crushing roller pair, which is used to receive the material conveyed by the feeding mechanism, crush the material and continue to convey the material downward;

[0010] The shredding and segmenting mechanism is arranged on the lower side of the rolling mechanism and connected to the frame. The shredding and segmenting mechanism includes a primary shredding roller and a segmenting roller. The primary shredding roller is arranged on the lower side of the rolling mechanism and is used to cut the material into shreds. The segmenting roller is arranged on the lower side of the shredding roller and is used to segment the shredded material.

[0011] An air separation mechanism is provided on the lower side of the shredding and segmenting mechanism and is connected to the frame. A light impurity discharge port, a reed fiber discharge port, and a heavy impurity discharge port are sequentially provided on one side of the air separation mechanism from top to bottom; and

[0012] The collecting mechanism includes a heavy impurity collection box, a finished product collection box and a light impurity collection box. The light impurity collection box is arranged on the lower side of the light impurity discharge port, the finished product collection box is arranged on the lower side of the reed fiber discharge port, and the heavy impurity collection box is arranged on the lower side of the heavy impurity discharge port.

[0013] In a possible implementation of the reed fiber processing device for civil engineering provided by the present invention, the frame includes:

[0014] base;

[0015] a frame connected to the base;

[0016] A fan bracket is provided on one side of the frame; and

[0017] A plurality of connecting pieces, the fan bracket, the feeding mechanism, the rolling mechanism, the shredding and segmenting mechanism and the air separation mechanism are all fixedly connected to the frame through the connecting pieces.

[0018] In a possible implementation of the reed fiber processing device for civil engineering provided by the present invention, the feeding mechanism includes:

[0019] A feed box body connected to the frame body via the connecting piece;

[0020] A guide hopper, in an inverted cone shape, is disposed in the feed box and connected to the feed box;

[0021] A feed screen is provided on the top of the guide hopper, covers the guide hopper and is connected to the guide hopper; and

[0022] The feeding roller pair is arranged at the lower side of the guide hopper and connected to the frame.

[0023] In a possible implementation of the reed fiber processing device for civil engineering provided by the present invention, the rolling mechanism further includes:

[0024] A roller pressing box body is connected to the frame body through the connecting piece, and the primary crushing roller is arranged in the roller pressing box body and connected to the roller pressing box body;

[0025] A secondary crushing roller pair is provided on the lower side of the primary crushing roller pair and is connected to the roller pressing box;

[0026] The third-stage crushing roller is arranged on the lower side of the second-stage crushing roller and is connected to the roller pressing box;

[0027] A heating fan is provided at the lower part of one side of the roller pressing box and is used to blow air into the roller pressing box;

[0028] A heating air inlet valve is provided between the heating fan and the roller pressing box and is connected to the roller pressing box;

[0029] A heating resistance wire is arranged inside the rolling box, and the air blown by the heating fan passes through the heating resistance wire;

[0030] An exhaust fan is provided on the upper portion of the roller press box opposite to the heating fan;

[0031] an exhaust valve, disposed between the exhaust fan and the roller pressing box, and connected to the roller pressing box; and

[0032] The temperature monitor is arranged in the roller pressing box and connected to the roller pressing box.

[0033] In a possible implementation of the reed fiber processing device for civil engineering provided by the present invention, the slitting and segmenting mechanism further includes:

[0034] A slitting box body is connected to the frame body through the connecting piece, and the primary slitting roller pair and the segment cutting roller pair are both arranged in the slitting box body and connected to the slitting box body; and

[0035] The secondary slitting roller pair is arranged between the primary slitting roller pair and the segment cutting roller pair and is connected to the slitting box body.

[0036] In a possible implementation of the reed fiber processing device for civil engineering provided by the present invention, the air separation mechanism includes:

[0037] an air separation box body connected to the frame body via the connecting piece;

[0038] A high-speed fan is provided on one side of the air separation box, connected to the fan bracket and communicated with the interior of the air separation box;

[0039] A light impurity separation baffle is obliquely arranged in the air separation box, and the light impurity discharge port is provided on the side of the light impurity separation baffle facing away from the high-speed fan; and

[0040] A reed fiber separation baffle is obliquely arranged on the lower side of the light impurity separation baffle, and the reed fiber discharge port is provided on the side of the reed fiber separation baffle facing away from the high-speed blower;

[0041] Wherein, the heavy impurity discharge port is provided at the bottom of the air separation box.

[0042] In a possible implementation of the reed fiber processing device for civil engineering provided by the present invention, the collection mechanism further includes a finished product screen, and the finished product screen is provided on the finished product collection box and connected to the finished product collection box.

[0043] The beneficial effect of the reed fiber processing device for civil engineering provided by the utility model is as follows: compared with the existing technology, the reed fiber processing device for civil engineering provided by the utility model, the reed stems enter the rolling mechanism through the feeding mechanism, are crushed and rolled into sheets by the primary crushing rollers, and the sheet-like reed stems then enter the shredding and segmenting mechanism, are first cut into shreds by the primary shredding rollers, and then cut into small segments by the segmenting rollers, and finally pass through the air selection mechanism to screen out light and heavy impurities such as mud, leaves, and ears, and air-select the reed fiber products. That is, the reed fiber processing device for civil engineering provided by the utility model can complete the rolling, shredding, segmenting, screening, and collection processes at one time to obtain the reed fiber products. BRIEF DESCRIPTION OF THE DRAWINGS

[0044] Figure 1 A schematic structural diagram of a reed fiber processing device for civil engineering provided by an embodiment of the utility model;

[0045] Description of reference numerals:

[0046] 1. Frame; 2. Feeding box; 3. Rolling box; 4. Cutting box; 5. Air separation box;

[0047] 6. Heavy impurity collection box; 7. Finished product collection box; 8. Light impurity collection box; 11. Base;

[0048] 12. Frame; 13. Connectors; 14. Fan bracket; 15. Control mechanism; 21. Feed screen;

[0049] 22. Guide hopper; 23. Feed roller; 31. Heating fan; 32. Heating resistance wire;

[0050] 33. Exhaust fan; 34. Primary crushing roller; 35. Secondary crushing roller;

[0051] 36. Three-stage crushing rollers; 37. Temperature monitor; 38. Heated air intake valve;

[0052] 39. Exhaust valve; 41. Primary shredding roller pair; 42. Secondary shredding roller pair;

[0053] 43. Segment rollers; 51. High-speed fan; 52. Light impurity separation baffle;

[0054] 53. Reed fiber separation baffle; 54. Light impurity discharge port; 55. Reed fiber discharge port;

[0055] 56. Heavy impurity discharge port; 71. Finished product screen. DETAILED DESCRIPTION

[0056] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0057] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. The following description of at least one exemplary embodiment is actually only illustrative and is in no way intended to limit the present application and its application or use. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.

[0058] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, they indicate the presence of features, steps, operations, devices, components and / or combinations thereof.

[0059] Unless otherwise specified, the relative arrangement of the parts and steps, numerical expressions and numerical values ​​set forth in these embodiments do not limit the scope of the present application. Meanwhile, it should be understood that, for ease of description, the sizes of the various parts shown in the accompanying drawings are not drawn according to actual proportional relationships. Technology, methods and equipment known to those of ordinary skill in the relevant art may not be discussed in detail, but in appropriate cases, the technology, methods and equipment should be considered as a part of the specification. In all examples shown and discussed here, any specific value should be interpreted as being merely exemplary, rather than as a limitation. Therefore, other examples of exemplary embodiments can have different values. It should be noted that similar numbers and letters represent similar items in the following drawings, and therefore, once an item is defined in an accompanying drawing, it does not need to be further discussed in subsequent drawings.

[0060] In the description of this application, it should be understood that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "horizontal, vertical, vertical, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction. Therefore, they cannot be understood as limiting the scope of protection of this application; the directional words "inside and outside" refer to the inside and outside relative to the outline of each component itself.

[0061] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used herein to describe the spatial positional relationship of a device or feature to other devices or features as shown in the figures. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figures. For example, if the device in the drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be subsequently positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device may also be positioned in other different ways, and the spatially relative descriptions used herein are interpreted accordingly.

[0062] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of this application.

[0063] Please also refer to Figure 1The reed fiber processing device for civil engineering provided by the present invention is now described. The reed fiber processing device for civil engineering includes a frame 1, a feeding mechanism, a rolling mechanism, a shredding and segmenting mechanism, an air separation mechanism and a collecting mechanism; the feeding mechanism is arranged on the top of the frame 1, connected to the frame 1, and is used to receive and convey materials downward; the rolling mechanism is on the lower side of the feeding mechanism, connected to the frame 1, and the rolling mechanism includes a primary crushing roller 34, which is used to receive the materials conveyed by the feeding mechanism, crush the materials and continue to convey the materials downward; the shredding and segmenting mechanism is arranged on the lower side of the rolling mechanism, connected to the frame 1, and the shredding and segmenting mechanism includes a primary shredding roller 41 and a segmenting roller 43, and the primary shredding roller 44 is connected to the frame 1. 1 is arranged on the lower side of the rolling mechanism and is used to cut the material into shreds. The segmenting roller 43 is arranged on the lower side of the shredding roller and is used to segment the shredded material. The air separation mechanism is arranged on the lower side of the shredding and segmenting mechanism and is connected to the frame 1. A light impurity discharge port 54, a reed fiber discharge port 55 and a heavy impurity discharge port 56 are arranged on one side of the air separation mechanism from top to bottom. The collecting mechanism includes a heavy impurity collection box 6, a finished product collection box 7 and a light impurity collection box 8. The light impurity collection box 8 is arranged on the lower side of the light impurity discharge port 54, the finished product collection box 7 is arranged on the lower side of the reed fiber discharge port 55, and the heavy impurity collection box 6 is arranged on the lower side of the heavy impurity discharge port 56.

[0064] The beneficial effect of the reed fiber processing device for civil engineering provided by the utility model is as follows: compared with the prior art, the reed fiber processing device for civil engineering provided by the utility model, the reed stems enter the rolling mechanism through the feeding mechanism, are crushed and rolled into sheets by the primary crushing roller 34, and the sheet-like reed stems then enter the shredding and segmenting mechanism, are first cut into shreds by the primary shredding roller 41, and then cut into small segments by the segmenting roller 43, and finally pass through the air selection mechanism to screen out light and heavy impurities such as mud, leaves, and ears, and air-select the reed fiber products. That is, the reed fiber processing device for civil engineering provided by the utility model can complete the rolling, shredding, segmenting, screening, and collection processes at one time to obtain the reed fiber products.

[0065] like Figure 1 As shown, in a specific embodiment of the reed fiber processing device for civil engineering provided by an embodiment of the present utility model, the frame 1 includes a base 11, a frame 12, a fan bracket 14 and a plurality of connecting parts 13; the frame 12 is connected to the base 11; the fan bracket 14 is arranged on one side of the frame 12; the plurality of connecting parts 13, the fan bracket 14, the feeding mechanism, the rolling mechanism, the shredding and segmenting mechanism and the air selection mechanism are all fixedly connected to the frame 12 through the connecting parts 13.

[0066] Specifically, the connecting member 13 is a part such as a bolt, nut, screw, expansion nail, etc. that can fix and connect two objects.

[0067] like Figure 1As shown, in a specific embodiment of the reed fiber processing device for civil engineering provided by an embodiment of the present utility model, the feeding mechanism includes a feeding box 2, a guide hopper 22, a feeding screen 21 and a feeding pair of rollers 23. The feeding box 2 is connected to the frame 12 through a connecting piece 13; the guide hopper 22 is in an inverted cone shape, arranged in the feeding box 2, and connected to the feeding box 2; the feeding screen 21 is arranged on the top of the guide hopper 22, covering the guide hopper 22 and connected to the guide hopper 22; the feeding pair of rollers 23 is arranged on the lower side of the guide hopper 22 and connected to the frame 12.

[0068] like Figure 1 As shown, in a specific embodiment of the reed fiber processing device for civil engineering provided by the embodiment of the present utility model, the rolling mechanism also includes a rolling box 3, a secondary crushing roller 35, a tertiary crushing roller 36, a heating fan 31, a heating air intake valve 38, a heating resistance wire 32, an exhaust fan, an exhaust valve 39 and a temperature monitor 37. The rolling box 3 is connected to the frame 12 through a connecting piece 13. The primary crushing roller 34 is arranged in the rolling box 3 and is connected to the rolling box 3; the secondary crushing roller 35 is arranged on the lower side of the primary crushing roller 34 and is connected to the rolling box 3; the tertiary crushing roller 36 is connected to the rolling box 3. It is located on the lower side of the secondary crushing pair of rollers 35 and is connected to the rolling box 3; the heating fan 31 is located at the lower part of one side of the rolling box 3 and is used to blow air into the rolling box 3; the heating air inlet valve 38 is located between the heating fan 31 and the rolling box 3 and is connected to the rolling box 3; the heating resistance wire 32 is located on the inner side of the rolling box 3, and the air blown out by the heating fan 31 passes through the heating resistance wire 32; the exhaust fan is located on the upper part of the opposite side of the heating fan 31 on the rolling box 3; the exhaust valve 39 is located between the exhaust fan and the rolling box 3 and is connected to the rolling box 3; the temperature monitor 37 is located in the rolling box 3 and is connected to the rolling box 3.

[0069] Specifically, the crushing rollers consist of two rollers that rotate in opposite directions to crush and crush the material. A primary crushing roller 34, a secondary crushing roller 35, and a tertiary crushing roller 36 are provided to crush and crush the material. This crushing operation, combined with the heating fan 31, dries and flattens the reed stems. The heating fan 31 is a conventional fan that blows air toward the heating resistor 32, which heats the air.

[0070] like Figure 1 As shown, in a specific embodiment of the reed fiber processing device for civil engineering provided by an embodiment of the present utility model, the shredding and segmenting mechanism also includes a slitting box 4 and a secondary shredding roller pair 42: the slitting box 4 is connected to the frame 12 through a connecting piece 13, and the primary shredding roller pair 41 and the segmenting roller pair 43 are both arranged in the slitting box 4 and connected to the slitting box 4; the secondary shredding roller pair 42 is arranged between the primary shredding roller pair 41 and the segmenting roller pair 43 and connected to the slitting box 4.

[0071] Specifically, the shredding rollers consist of two rollers rotating in opposite directions. One of the rollers is equipped with a plurality of longitudinal shredding blades spaced along its axis to shred the reed stems. The spacing between the shredding blades on the secondary shredding roller 42 is smaller than that on the primary shredding roller 41. The segmenting roller 43 consists of two rollers rotating in opposite directions. One of the rollers is equipped with a plurality of transverse segmenting blades spaced around its axis.

[0072] like Figure 1 As shown, in a specific embodiment of the reed fiber processing device for civil engineering provided by an embodiment of the present utility model, the air separation mechanism includes an air separation box 5, a high-speed fan 51, a light impurity separation baffle 52 and a reed fiber separation baffle 53. The air separation box 5 is connected to the frame 12 through a connector 13; the high-speed fan 51 is arranged on one side of the air separation box 5, connected to the fan bracket 14 and communicated with the interior of the air separation box 5; the light impurity separation baffle 52 is tilted in the air separation box 5, and a light impurity discharge port 54 is provided on the side of the light impurity separation baffle 52 facing away from the high-speed fan 51; the reed fiber separation baffle 53 is tilted on the lower side of the light impurity separation baffle 52, and a reed fiber discharge port 55 is provided on the side of the reed fiber separation baffle 53 facing away from the high-speed fan 51; wherein, a heavy impurity discharge port 56 is provided at the bottom of the air separation box 5.

[0073] like Figure 1 As shown, in a specific embodiment of the reed fiber processing device for civil engineering provided by an embodiment of the present utility model, the collection mechanism also includes a finished material screen 71, and the finished material screen 71 is provided on the finished product collection box 7 and connected to the finished product collection box.

[0074] Specifically, the reed fiber processing device for civil engineering also includes a control mechanism 15, and the feeding mechanism, rolling mechanism, shredding and segmenting mechanism and air separation mechanism are all connected to the control mechanism 15 to control the actions of the feeding mechanism, rolling mechanism, shredding and segmenting mechanism and air separation mechanism.

[0075] The feed roller 23, the primary damage roller, the secondary damage roller, the tertiary damage roller, the primary shredding roller 41, the secondary shredding roller 42 and the segment cutting roller 43 are all driven by motors.

[0076] The specific working process is as follows:

[0077] The reed stems to be processed are passed through the sieve holes of the feed screen 21 and vertically enter the feed roller 23, and the feed speed and feed direction are adjusted; the reed stems enter the rolling mechanism, which is equipped with a primary crushing roller 34, a secondary crushing roller 35, and a tertiary crushing roller 36 to crush the reed stems by rolling, thereby crushing and splitting the reed skin, reed core and reed stem.

[0078] The temperature detector detects the internal temperature of the rolling mechanism. When the temperature is lower than 105°C, the heating resistor 32 is energized for heating, and the heating fan 31 is started at the same time, the heating ventilation valve is opened, and the rolling mechanism is blown dry; when the temperature is higher than 110°C, the exhaust valve is opened, the exhaust fan 33 is turned on, and the heating resistor 32 is turned off.

[0079] The crushed reed stems enter the shredding and segmenting mechanism, and the primary shredding rollers 41 and the secondary shredding rollers 42 further crush and shred the reed stems into sheets, and then enter the segmenting rollers 43, and the segmenting rollers 43 cut the filamentous crushed reed stems into preset lengths; the shredded and segmented materials enter the air separation mechanism, and the difference in suspension speed between the reed fibers and impurities is used to remove impurities with the help of wind. The high-speed fan 51 generates sufficient wind force, and the lighter reed leaves, reed cores, and reed fluff are guided by the wind into the light impurity separation baffle 52, slide out of the light impurity discharge port 54, and enter the light impurity collection box 8. The heavier clay blocks, reed roots and other heavy impurities enter the heavy impurity collection box 6 along the heavy impurity discharge port 56. The reed stems and reed bark containing more fiber are guided by the wind along the reed fiber separation baffle 53 and the reed fiber discharge port 55 and slide into the finished product collection box 7.

[0080] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A reed fiber processing device for civil engineering, characterized in that: include: frame; A feeding mechanism is provided on the top of the frame and connected to the frame, and is used to receive and convey materials downward; A roller pressing mechanism is connected to the frame at the lower side of the feeding mechanism, and the roller pressing mechanism includes a primary crushing roller pair, which is used to receive the material conveyed by the feeding mechanism, crush the material and continue to convey the material downward; The shredding and segmenting mechanism is arranged on the lower side of the rolling mechanism and connected to the frame. The shredding and segmenting mechanism includes a primary shredding roller and a segmenting roller. The primary shredding roller is arranged on the lower side of the rolling mechanism and is used to cut the material into shreds. The segmenting roller is arranged on the lower side of the shredding roller and is used to segment the shredded material. An air separation mechanism is provided on the lower side of the shredding and segmenting mechanism and is connected to the frame. A light impurity discharge port, a reed fiber discharge port, and a heavy impurity discharge port are sequentially provided on one side of the air separation mechanism from top to bottom; and The collecting mechanism includes a heavy impurity collection box, a finished product collection box and a light impurity collection box. The light impurity collection box is arranged on the lower side of the light impurity discharge port, the finished product collection box is arranged on the lower side of the reed fiber discharge port, and the heavy impurity collection box is arranged on the lower side of the heavy impurity discharge port.

2. The reed fiber processing device for civil engineering according to claim 1, characterized in that: The frame includes: base; a frame connected to the base; A fan bracket is provided on one side of the frame; and A plurality of connecting pieces, the fan bracket, the feeding mechanism, the rolling mechanism, the shredding and segmenting mechanism and the air separation mechanism are all fixedly connected to the frame through the connecting pieces.

3. The reed fiber processing device for civil engineering according to claim 2, characterized in that: The feeding mechanism comprises: A feed box body connected to the frame body via the connecting piece; A guide hopper, in an inverted cone shape, is disposed in the feed box and connected to the feed box; A feed screen is provided on the top of the guide hopper, covers the guide hopper and is connected to the guide hopper; and The feeding roller pair is arranged at the lower side of the guide hopper and connected to the frame.

4. The reed fiber processing device for civil engineering according to claim 2, characterized in that: The rolling mechanism further includes: A roller pressing box body is connected to the frame body through the connecting piece, and the primary crushing roller is arranged in the roller pressing box body and connected to the roller pressing box body; A secondary crushing roller pair is provided on the lower side of the primary crushing roller pair and is connected to the roller pressing box; The third-stage crushing roller is arranged on the lower side of the second-stage crushing roller and is connected to the roller pressing box; A heating fan is provided at the lower part of one side of the roller pressing box and is used to blow air into the roller pressing box; A heating air inlet valve is provided between the heating fan and the roller pressing box and is connected to the roller pressing box; A heating resistance wire is arranged inside the rolling box, and the air blown by the heating fan passes through the heating resistance wire; An exhaust fan is provided on the upper portion of the roller press box opposite to the heating fan; an exhaust valve, disposed between the exhaust fan and the roller pressing box, and connected to the roller pressing box; and The temperature monitor is arranged in the roller pressing box and connected to the roller pressing box.

5. The reed fiber processing device for civil engineering according to claim 2, characterized in that: The slicing and segmenting mechanism further comprises: A slitting box body is connected to the frame body through the connecting piece, and the primary slitting roller pair and the segment cutting roller pair are both arranged in the slitting box body and connected to the slitting box body; and The secondary slitting roller pair is arranged between the primary slitting roller pair and the segment cutting roller pair and is connected to the slitting box body.

6. The reed fiber processing device for civil engineering according to claim 2, characterized in that: The air separation mechanism comprises: an air separation box body connected to the frame body via the connecting piece; A high-speed fan is provided on one side of the air separation box, connected to the fan bracket and communicated with the interior of the air separation box; A light impurity separation baffle is obliquely arranged in the air separation box, and the light impurity discharge port is provided on the side of the light impurity separation baffle facing away from the high-speed fan; and A reed fiber separation baffle is obliquely arranged on the lower side of the light impurity separation baffle, and the reed fiber discharge port is provided on the side of the reed fiber separation baffle facing away from the high-speed blower; Wherein, the heavy impurity discharge port is provided at the bottom of the air separation box.

7. The reed fiber processing device for civil engineering according to claim 6, characterized in that: The collecting mechanism further includes a finished product screen, which is arranged on the finished product collection box and connected to the finished product collection box.