A tomato straw fiber pickling and caustic boiling treatment device

By designing pretreatment bin components and impurity blowing components, the problem of impurities on the straw surface affecting the acid washing and alkali boiling effect was solved, achieving straw cleaning treatment and equipment protection, and extending service life.

CN224463202UActive Publication Date: 2026-07-07

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Filing Date
2025-07-24
Publication Date
2026-07-07

AI Technical Summary

Technical Problem

The existing processing equipment lacks an effective pretreatment process, which causes the mud and impurities on the surface of the tomato straw to affect the acid washing and alkali boiling effect, and the equipment wears out severely, reducing its service life.

Method used

A tomato straw fiber acid washing and alkali boiling treatment device was designed. It adopts a pretreatment bin assembly, a crushing assembly, and an impurity blowing assembly. Through components such as a frame-type clamping port, clamping electric roller, vibrating push rod, conical crossbar, and high-speed airflow, it achieves stable clamping of straw, efficient shaking off of impurities, and precise blowing out, avoiding fiber breakage and secondary pollution.

Benefits of technology

It effectively removes soil and impurities from the surface of straw, protects equipment, ensures the effectiveness of subsequent processing, extends the service life of equipment, and achieves residue-free cleaning processing.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a kind of tomato straw fiber pickling alkali cooking treatment device, comprising: pretreatment bin subassembly, the lower end of pretreatment bin subassembly is provided with broken material subassembly, the lower end of broken material subassembly is provided with processing subassembly, beat material subassembly is provided in pretreatment bin subassembly, impurity blowing material subassembly is provided in pretreatment bin subassembly, auxiliary assembly is provided in pretreatment bin subassembly, pretreatment bin subassembly includes symmetrically arranged frame type clamping port up and down, the inner end of frame type clamping port left and right sides is symmetrically provided with clamping electric roller, beat material subassembly includes the first connecting plate of fixedly connected between the position of two frame type clamping ports, by setting the symmetric frame type clamping port up and down of pretreatment bin subassembly is realized to the stable clamping of tomato straw with the uniform speed conveying by inner end left and right sides' clamping electric roller, beat material subassembly effectively shakes off the dirt, gravel and other impurities attached on straw surface, simultaneously avoid the fiber breakage caused by rigid impact.
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Description

Technical Field

[0001] This utility model relates to a device for acid washing and alkaline boiling treatment of tomato straw fibers, belonging to the field of agricultural waste treatment technology. Background Technology

[0002] The tomato straw fiber acid washing and alkali boiling treatment device is mainly used to solve the resource waste and environmental pollution problems caused by traditional tomato straw treatment methods (such as burning and landfilling). By crushing, screening, acid washing, alkali boiling and fiber separation of tomato straw, high-purity cellulose can be extracted, providing high-quality raw materials for the production of environmentally friendly packaging materials, biodegradable products and composite materials, while reducing the environmental pressure of agricultural waste.

[0003] Chinese Patent Publication No. CN216266604U discloses a plant straw pretreatment system, belonging to the field of environmental remediation technology. This utility model provides a system comprising, in sequence, a material crushing system, a mixing system, an ultrasonic-acid-heat treatment system, a first solid-liquid separation system, a first washing system, a second solid-liquid separation system, a pressurization system, an alkaline-thermal hydrolysis treatment system, a cooling system, a pressure relief system, a magnetic separation system, a third solid-liquid separation system, a second washing system, and a fourth solid-liquid separation system. The ultrasonic-acid-heat treatment system is connected to the cooling system. A weak alkaline aqueous solution inlet is installed on the pipeline between the solid material outlet of the second solid-liquid separation system and the inlet of the pressurization system. The alkaline-thermal hydrolysis treatment system is connected to a heating system. The plant straw pretreatment system provided by this utility model is a closed production system. Through continuous feeding and discharging, it can achieve efficient pretreatment production of plant straw with stable pretreatment results and high economic benefits.

[0004] Most existing processing devices only use simple vibrating screens or magnetic separators for impurity removal. These devices lack an effective and complete pretreatment process. The mud and impurities on the surface of the straw will affect the subsequent acid washing and alkali boiling effects, aggravate equipment wear, and be detrimental to ensuring the service life of the equipment.

[0005] To address this, a device for acid washing and alkaline boiling treatment of tomato straw fiber is proposed. Utility Model Content

[0006] In view of this, the present invention provides a tomato straw fiber acid washing and alkali boiling treatment device to solve or alleviate the technical problems existing in the prior art, and at least provides a beneficial option.

[0007] The technical solution of this utility model is implemented as follows: A tomato straw fiber acid washing and alkali boiling treatment device includes: a pretreatment chamber assembly, a crushing assembly at the lower end of the pretreatment chamber assembly, a treatment assembly at the lower end of the crushing assembly, a beating assembly in the pretreatment chamber assembly, an impurity blowing assembly in the pretreatment chamber assembly, and an auxiliary assembly in the pretreatment chamber assembly.

[0008] The pretreatment chamber assembly includes frame-shaped clamping ports arranged symmetrically at the top and bottom. Clamping electric rollers are symmetrically arranged on the left and right sides of the inner end of the frame-shaped clamping ports. The tackling assembly includes a first connecting plate fixedly connected between the two frame-shaped clamping ports. Vibrating push rods are symmetrically fixedly connected to the front and rear sides of the inner end of the first connecting plate. A first connecting plate is fixedly connected to the output ends of the two vibrating push rods. Springs are symmetrically fixedly connected to the front and rear sides of the end of the first connecting plate away from the vibrating push rods. A second connecting plate is fixedly connected to the end of the two springs away from the first connecting plate. Multiple vertically equidistant tapered horizontal bars are fixedly connected to the end of the second connecting plate away from the first connecting plate.

[0009] The impurity blowing assembly includes a second connecting plate fixedly connected directly below the first connecting plate, and a plurality of horizontally equidistant blowing ports are fixedly connected to the inner end of the second connecting plate.

[0010] More preferably, a number of sharp-angle contact particles are fixedly connected to the end of the tapered crossbar away from the first connecting plate, and the sharp-angle contact particles are evenly distributed among each other.

[0011] More preferably, multiple blowing ports are externally connected to pumps, and the crushing assembly includes a crushing bin fixedly connected below the pretreatment bin assembly.

[0012] More preferably, screening bins are symmetrically arranged on the left and right sides of the inner end of the crushing bin, and a crushing cutter shaft is fixedly connected to the lower end of the crushing bin.

[0013] More preferably, an electrically conductive conveyor belt is fixedly connected to the lower end of the shredder shaft, and the processing assembly includes an acid washing reaction chamber fixedly connected below the electrically conductive conveyor belt.

[0014] More preferably, an alkaline boiling reaction chamber is fixedly connected to the left end of the pickling reaction chamber, and a fiber separation chamber is fixedly connected to the left end of the alkaline boiling reaction chamber.

[0015] More preferably, a spiral conveying channel is fixedly connected between the pickling reaction chamber, the alkali boiling reaction chamber, and the fiber separation chamber, and the auxiliary components include a limiting guide frame.

[0016] More preferably, the lower frame-shaped clamping port is fixedly connected to an impurity inclined output guide plate at the end away from the tapping material assembly, and the limiting guide frame is located between the impurity inclined output guide plate and the second connecting plate.

[0017] The present invention has the following advantages due to the adoption of the above technical solution:

[0018] I. This utility model achieves stable clamping and uniform conveying of tomato straw by setting up a pretreatment bin assembly with symmetrical upper and lower frame-shaped clamping ports and clamping electric rollers on the left and right sides of the inner end. The vibrating push rod of the beating material assembly achieves adjustable reciprocating motion through a PLC control system, which drives the first connecting plate and the spring to drive the second connecting plate to perform elastic vibration. The conical horizontal bars on the second connecting plate are arranged at unequal intervals, and the sharp corners contact the surface of the particles with embedded tungsten carbide particles, forming a high-frequency elastic impact during the beating process, effectively shaking off impurities such as soil and sand attached to the surface of the straw, while avoiding fiber breakage caused by rigid impact.

[0019] II. This utility model sets up a second connecting plate of the impurity blowing assembly with equidistantly distributed fan-shaped blowing ports. Each blowing port is independently connected to a pump, and the blowing pressure can be adjusted according to the material characteristics. The high-speed airflow sprayed out will accurately blow out the shaken impurities.

[0020] Third, this utility model sets up a negative pressure channel by setting the high-speed airflow sprayed from the impurity blowing component along the limiting guide frame, which accurately guides the shaken-off impurities to the impurity oblique output guide plate, so that the impurities automatically slide into the collection tank, achieving residue-free cleaning and avoiding secondary pollution. The limiting guide frame matches the feed inlet path of the crushing component, ensuring that the straw falls vertically to continue the subsequent processing.

[0021] The above overview is for illustrative purposes only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the present invention will become readily apparent from the accompanying drawings and the following detailed description. Attached Figure Description

[0022] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0023] Figure 1 This is a schematic diagram of the external structure of the pretreatment chamber component of this utility model;

[0024] Figure 2 This is a schematic diagram of the material crushing assembly structure of this utility model;

[0025] Figure 3 This is an exploded view of the pretreatment chamber assembly of this utility model;

[0026] Figure 4 For the present utility model Figure 3 A schematic diagram of the partially truncated and enlarged structure of the auxiliary component;

[0027] Figure 5 This is a schematic diagram of the material tapping assembly of this utility model;

[0028] Figure 6 This is a schematic diagram of the impurity blowing assembly of this utility model.

[0029] Figure label:

[0030] 1. Pretreatment bin assembly; 100. Frame-type clamping port; 101. Clamping electric roller; 2. Crushing assembly; 200. Electric conveyor belt; 201. Crushing bin; 202. Screening bin; 203. Crushing cutter shaft; 3. Processing assembly; 300. Pickling reaction bin; 301. Alkali boiling reaction bin; 302. Fiber separation bin; 303. Spiral conveying channel; 4. Beating assembly; 400. First connecting plate; 401. Vibrating push rod; 402. First connecting plate; 403. Spring; 404. Second connecting plate; 405. Conical crossbar; 406. Sharp corner contact particles; 5. Impurity blowing assembly; 500. Second connecting plate; 501. Blowing port; 6. Auxiliary assembly; 600. Limiting guide frame; 601. Impurity oblique output guide plate. Detailed Implementation

[0031] In the following description, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments can be modified in various ways without departing from the spirit or scope of this invention. Therefore, the drawings and description are considered exemplary in nature and not restrictive.

[0032] The embodiments of this utility model will now be described in detail with reference to the accompanying drawings.

[0033] Example 1 Figure 1-6 As shown, this utility model embodiment provides a tomato straw fiber acid washing and alkali boiling treatment device, including: a pretreatment chamber assembly 1, a crushing assembly 2 at the lower end of the pretreatment chamber assembly 1, a processing assembly 3 at the lower end of the crushing assembly 2, a beating material assembly 4 in the pretreatment chamber assembly 1, an impurity blowing material assembly 5 in the pretreatment chamber assembly 1, and an auxiliary assembly 6 in the pretreatment chamber assembly 1.

[0034] The pretreatment chamber assembly 1 includes frame-shaped clamping ports 100 arranged symmetrically at the top and bottom. Clamping electric rollers 101 are symmetrically arranged on the left and right sides of the inner end of the frame-shaped clamping ports 100. The tackling assembly 4 includes a first connecting plate 400 fixedly connected between the two frame-shaped clamping ports 100. Vibration push rods 401 are symmetrically fixedly connected to the front and rear sides of the inner end of the first connecting plate 400. A first connecting plate 402 is fixedly connected to the output end of the two vibration push rods 401. Springs 403 are symmetrically fixedly connected to the front and rear sides of the end of the first connecting plate 402 away from the vibration push rods 401. A second connecting plate 404 is fixedly connected to the end of the two springs 403 away from the first connecting plate 400. A plurality of vertically equidistant tapered horizontal bars 405 are fixedly connected to the end of the second connecting plate 404 away from the first connecting plate 400.

[0035] The impurity blowing assembly 5 includes a second connecting plate 500 fixedly connected directly below the first connecting plate 400, and a plurality of horizontally equidistant blowing ports 501 are fixedly connected to the inner end of the second connecting plate 500.

[0036] A number of sharp-angle contact particles 406 are fixedly connected to one end of the tapered crossbar 405 away from the first connecting plate 400, and the sharp-angle contact particles 406 are evenly distributed among them. Multiple blowing ports 501 are externally connected to pumps. The crushing assembly 2 includes a crushing bin 201 fixedly connected below the pretreatment bin assembly 1. Screening bins 202 are symmetrically arranged on the left and right sides of the inner end of the crushing bin 201. A crushing blade shaft 203 is fixedly connected to the lower end of the crushing bin 201, and an electric conveyor belt 200 is fixedly connected to the lower end of the crushing blade shaft 203.

[0037] The processing component 3 includes an acid washing reaction chamber 300 fixedly connected below the electrical conveyor belt 200, an alkaline boiling reaction chamber 301 fixedly connected to the left end of the acid washing reaction chamber 300, a fiber separation chamber 302 fixedly connected to the left end of the alkaline boiling reaction chamber 301, and a spiral conveying channel 303 fixedly connected between the acid washing reaction chamber 300, the alkaline boiling reaction chamber 301, and the fiber separation chamber 302.

[0038] Example 2 Figure 3-4 As shown, in one embodiment, the auxiliary component 6 includes a limiting guide frame 600 located below a frame-shaped material clamping port 100 that is fixedly connected to an impurity inclined output guide plate 601 at one end away from the tapping material component 4. The limiting guide frame 600 is located between the impurity inclined output guide plate 601 and the second connecting plate 500.

[0039] By setting the high-speed airflow ejected from the impurity blowing component 5 to form a negative pressure channel along the limiting guide frame 600, the shaken impurities are precisely guided to the impurity oblique output guide plate 601, so that the impurities automatically slide into the collection tank, achieving residue-free cleaning and avoiding secondary pollution. The limiting guide frame 600 is matched with the feed inlet path of the crushing component 2, ensuring that the straw falls vertically to continue the subsequent processing.

[0040] In operation, this invention is used for the extraction and processing of tomato straw fiber. Tomato straw enters the pretreatment chamber assembly 1 from above. The symmetrically arranged frame-shaped clamping ports 100 clamp the straw and convey it downwards through the clamping electric rollers 101 on the left and right sides of the inner end. During this process, the beating material assembly 4 is activated. The vibrating push rods 401 on the front and rear sides of the inner end of the first connecting plate 400 fixed between the two frame-shaped clamping ports 100 drive the first connecting plate 402 to reciprocate. The first connecting plate 402 is connected to the second connecting plate 402 by springs 403. The connecting plate 404 causes the conical crossbars 405 and sharp-angled contact particles 406 on the second connecting plate 404 to continuously beat the straw, shaking off surface impurities. Simultaneously, the impurity blowing assembly 5 operates. The blowing port 501 at the inner end of the second connecting plate 500, located directly below the first connecting plate 400, ejects airflow under the action of the pump. The high-speed airflow ejected from the impurity blowing assembly 5 forms a negative pressure channel along the limiting guide frame 600, precisely guiding the shaken-off impurities to the impurity oblique output guide plate 601, causing the impurities to automatically slide into the collection trough, thus achieving... Residue-free cleaning avoids secondary pollution. The limiting guide frame 600 matches the feed inlet path of the crushing component 2, ensuring the straw falls vertically for subsequent processing. The limiting guide frame 600 guides the tomato straw along a vertical path, allowing it to enter the crushing component 2 vertically. The cleaned straw falls into the crushing component 2, where the crushing blade shaft 203, fixed in the crushing bin 201 below the pretreatment bin component 1, rotates at high speed to crush the straw. The screening bins 202 on both sides screen the crushed material to meet the requirements. The straw fragments with the required particle size are conveyed to the processing unit 3 via the lower electrical conveyor belt 200. In the processing unit 3, the acid washing reaction chamber 300 below the electrical conveyor belt 200 acid washes the straw fragments. The acid reacts with impurities such as lignin. Subsequently, the fragments enter the alkaline boiling reaction chamber 301 on the left through the spiral conveyor channel 303. The alkaline solution further decomposes hemicellulose and lignin. Finally, the material enters the fiber separation chamber 302 through the spiral conveyor channel 303, where fibers are separated by centrifugation and other methods, completing the entire processing process.

[0041] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any person skilled in the art can easily conceive of various variations or substitutions within the technical scope disclosed in this utility model, and these should all be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the protection scope of the claims.

Claims

1. A device for acid washing and alkaline boiling treatment of tomato straw fiber, characterized in that, include: A pretreatment chamber assembly (1) is provided with a crushing assembly (2) at the lower end of the pretreatment chamber assembly (1), a processing assembly (3) at the lower end of the crushing assembly (2), a tapping assembly (4) in the pretreatment chamber assembly (1), an impurity blowing assembly (5) in the pretreatment chamber assembly (1), and an auxiliary assembly (6) in the pretreatment chamber assembly (1). The pretreatment bin assembly (1) includes a frame-shaped clamping port (100) symmetrically arranged at the top and bottom. The inner end of the frame-shaped clamping port (100) is symmetrically arranged with clamping electric rollers (101) on the left and right sides. The tapping material assembly (4) includes a first connecting plate (400) fixedly connected between the two frame-shaped clamping ports (100). The inner end of the first connecting plate (400) is symmetrically fixedly connected with vibrating push rods (401) on the front and rear sides. The output ends of the two vibrating push rods (401) are fixedly connected with a first connecting plate (402). The end of the first connecting plate (402) away from the vibrating push rods (401) is symmetrically fixedly connected with springs (403) on the front and rear sides. The end of the two springs (403) away from the first connecting plate (400) is fixedly connected with a second connecting plate (404). The end of the second connecting plate (404) away from the first connecting plate (400) is fixedly connected with a plurality of vertically equidistant tapered horizontal bars (405). The impurity blowing assembly (5) includes a second connecting plate (500) fixedly connected directly below the first connecting plate (400), and the inner end of the second connecting plate (500) is fixedly connected with a plurality of horizontally equidistant blowing ports (501).

2. The tomato straw fiber acid washing and alkali boiling treatment device according to claim 1, characterized in that: The tapered crossbar (405) is fixedly connected to a number of sharp-angle contact particles (406) at one end away from the first connecting plate (400), and the sharp-angle contact particles (406) are evenly distributed among them.

3. The tomato straw fiber acid washing and alkali boiling treatment device according to claim 1, characterized in that: Multiple of the blowing ports (501) are externally connected to pumps, and the crushing assembly (2) includes a crushing bin (201) fixedly connected below the pretreatment bin assembly (1).

4. The tomato straw fiber acid washing and alkali boiling treatment device according to claim 3, characterized in that: The inner end of the crushing bin (201) is symmetrically provided with screening bins (202) on the left and right sides, and the lower end of the crushing bin (201) is fixedly connected with a crushing cutter shaft (203).

5. The tomato straw fiber acid washing and alkali boiling treatment device according to claim 4, characterized in that: The lower end of the shredder shaft (203) is fixedly connected to an electrical conveyor belt (200), and the processing component (3) includes an acid washing reaction chamber (300) fixedly connected below the electrical conveyor belt (200).

6. The tomato straw fiber acid washing and alkali boiling treatment device according to claim 5, characterized in that: The left end of the pickling reaction chamber (300) is fixedly connected to the alkali boiling reaction chamber (301), and the left end of the alkali boiling reaction chamber (301) is fixedly connected to the fiber separation chamber (302).

7. The tomato straw fiber acid washing and alkali boiling treatment device according to claim 6, characterized in that: A spiral conveying channel (303) is fixedly connected between the pickling reaction chamber (300), the alkali boiling reaction chamber (301), and the fiber separation chamber (302). The auxiliary component (6) includes a limiting guide frame (600).

8. The tomato straw fiber acid washing and alkali boiling treatment device according to claim 7, characterized in that: The frame-shaped material clamping port (100) located below is fixedly connected to an impurity inclined output guide plate (601) at one end away from the tapping material assembly (4). The limiting guide frame (600) is located between the impurity inclined output guide plate (601) and the second connecting plate (500).