A rotor for hydraulic pulping of kitchen waste

By designing a rotor for hydraulic pulping of kitchen waste, using multi-turn coiled spiral blades and alloy steel, combined with the deflector and convex surface, the problem of poor wear and shattering of rotors in the hydraulic pulping process of kitchen waste is solved, achieving more efficient pulping effect and longer service life.

CN222694599UActive Publication Date: 2025-04-01PURAC ENVIRONMENTAL SYST BEIJING
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Patent Information

Application Number
CN202421406114.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-19
Publication Date
2025-04-01
Estimated Expiration
2034-06-19

AI Technical Summary

Technical Problem

The existing kitchen waste hydro pulping process has problems such as the large amount of solid substances, complex components, and many debris. The rotors of the pulping are worn, the crushing effect becomes worse, and there are many slurry, sand and gravel.

Method used

A rotor for hydro pulping of kitchen waste was designed, and three multi-turn coiled spiral blades were used to arrange balanced arrangement, and alloy steel was provided on the spiral blades, which increased the wear resistance of the spiral blades and the cutting surface with the substance. At the same time, three guide plates were designed to match the cabochons of the base, which increased the stirring and cleaning efficiency of the substance.

Benefits of technology

By enhancing the wear resistance and cutting effect of the spiral blades, the effect of hydraulic rubbing and stirring is improved, and the anti-winding function is anti-wrapped, the service life of the rotor is extended, and the efficiency of hydraulic pulping of kitchen waste is improved.

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Abstract

The utility model relates to the technical field of hydraulic pulping, and specifically discloses a rotor for hydraulic pulping of kitchen waste, including a base, a rotating shaft, spiral blades and guide vanes, the rotating shaft is fixed to the center of the top surface of the base, the number of spiral blades and guide vanes are three, the three guide vanes are arranged around the top surface of the base, and the bottom cross-section, end cross-section, and spiral outer cross-section of the three spiral blades are welded and fixed with alloy steel. The technical solution of the utility model increases the wear resistance of the spiral blades and the cutting surface with the material through three spiral blades that are wound in multiple turns and arranged evenly, and alloy steel is arranged on the spiral blades, thereby enhancing the effect of hydraulic kneading and stirring pulping, having an anti-winding function, prolonging the service life of the rotor, and improving the efficiency of hydraulic pulping of kitchen waste.
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Description

Technical Field

[0001] The utility model relates to the technical field of hydraulic pulping, in particular to a rotor used for hydraulic pulping of kitchen waste. Background Art

[0002] The currently implemented "Classification Marking of Domestic Waste" stipulates that it includes restaurant kitchen waste, household kitchen waste and other kitchen waste. Among them, restaurant kitchen waste refers to food residues, food processing waste and waste edible oils and fats generated by related enterprises and public institutions in food processing, catering services, unit catering and other activities; while household kitchen waste refers to perishable waste such as vegetable stems, leaves, melon and fruit peels, leftovers, discarded food, etc. generated in the daily life of residents; other kitchen waste refers to vegetable and fruit waste, rotten meat, meat and bones, aquatic products, livestock and poultry viscera, etc. generated in farmers' markets and agricultural product wholesale markets. Household kitchen waste and other kitchen waste are referred to as kitchen waste.

[0003] Domestic food waste treatment technology is relatively mature, including the use of mechanical pulping and hydraulic pulping processes and equipment. However, there is no stable, reliable and mature technology for food waste treatment. The existing food waste hydraulic pulping process is in urgent need of improvement because food waste contains a lot of solid matter, complex components, and a lot of debris, which can easily lead to wear of the pulping rotor, resulting in poor crushing effect and a lot of sand and gravel in the slurry. Therefore, this paper proposes a rotor for hydraulic pulping of food waste. Utility Model Content

[0004] The purpose of the utility model is to provide a rotor for hydraulic pulping of kitchen waste, which solves the problems raised in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a rotor for hydraulic pulping of kitchen waste, comprising a base, a rotating shaft, spiral blades and guide vanes, the rotating shaft is fixed to the center position of the top surface of the base, the number of spiral blades and guide vanes are three, the three guide vanes are surrounded by the top surface of the base, the three spiral blades are spiral blade one, spiral blade two and spiral blade three respectively, the upper end height and lower end height of the three spiral blades are the same, and the three spiral blades are all arranged in multiple circles along the side wall of the rotating shaft.

[0006] As a preferred implementation of the technical solution of the present application, the bottom cross-section, the end cross-section, and the spiral outer cross-section of the three spiral blades are all welded and fixed with alloy steel.

[0007] As a preferred implementation of the technical solution of the present application, the top surface of the base is integrally formed with a convex circular surface, the bottom of the base is a horizontal surface, and a plurality of wear-resistant strips are arranged on the bottom surface of the base.

[0008] As a preferred implementation of the technical solution of the present application, the guide plate is an arc plate, the upper end surface of the guide plate is a flat surface, and the lower end surface of the guide plate is connected to the convex circular surface by welding.

[0009] As a preferred implementation of the technical solution of the present application, the protruding distance B between one end of the guide plate and the outer edge of the base is set to 100 mm, and the distance A between the other end of the guide plate and the rotating shaft is set to 150 mm.

[0010] As a preferred implementation of the technical solution of the present application, the distance between two adjacent spiral blades is the same, the pitch of the three spiral blades is set to 450 mm, and the distance between two adjacent spiral blades is 150 mm.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] 1. The technical solution of the present application increases the wear resistance of the spiral blades and the cutting surface with the material through three multi-turn spiral blades that are evenly arranged, and alloy steel is arranged on the spiral blades, thereby enhancing the effect of hydraulic kneading and stirring pulping, having an anti-winding function, increasing the service life of the rotor, and improving the efficiency of hydraulic pulping of kitchen waste.

[0013] 2. The technical solution of this application designs three guide plates to cooperate with the convex surface of the base, so that the materials remaining on the surface of the base can be quickly thrown out for repeated stirring. The wear-resistant strips can efficiently clean the screen of the hydraulic pulping machine body, and the wear-resistant strips can be replaced after being worn. Maintenance is fast and convenient, thereby increasing the service life of the pulping machine body. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

[0015] Figure 1 It is a stereoscopic diagram of a rotor used for hydraulic pulping of kitchen waste according to the utility model;

[0016] Figure 2 This is a front view of a rotor for hydraulic pulping of kitchen waste according to the utility model;

[0017] Figure 3 It is a top view of a rotor used for hydraulic pulping of kitchen waste according to the utility model;

[0018] Figure 4 A top view of the rotor with the spiral blades removed.

[0019] In the figure: 1. base; 2. rotating shaft; 3. spiral blade; 301. spiral blade one; 302. spiral blade two; 303. spiral blade three; 4. guide vane; 5. alloy steel; 6. convex round surface; 7. wear-resistant strip. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] Embodiment 1, as Figure 1-4 As shown, the utility model provides a technical solution: a rotor for hydraulic pulping of kitchen waste, comprising a base 1, a rotating shaft 2, spiral blades 3 and guide vanes 4, the rotating shaft 2 is fixed to the center of the top surface of the base 1, the number of spiral blades 3 and guide vanes 4 are three, the three guide vanes 4 are surrounded by the top surface of the base 1, the three spiral blades 3 are spiral blade one 301, spiral blade two 302 and spiral blade three 303, the upper end height and lower end height of the three spiral blades 3 are the same, and the three spiral blades 3 are all coiled along the side wall of the rotating shaft 2 for multiple turns.

[0022] In a specific embodiment of the utility model, a hydraulic pulping machine is used to crush, stir, knead and inject water into kitchen waste to form slurry, wherein the rotor is an important component of the hydraulic pulping machine for forming slurry. Specifically, the back of the base 1 is bolted to the driving shaft of the hydraulic pulping machine, and the rotor is driven by electricity to rotate and stir the material. A rotating shaft 2 is fixedly connected and arranged at the center position of the front of the base 1, and a spiral blade 3 is welded and fixed on the rotating shaft 2. The spiral blade 3 is fixed in a three-piece multi-turn coiled and balanced arrangement manner. The upper and lower ends of the three spiral blades 3 have the same horizontal height, which increases the contact surface between the spiral blade 3 and the material. The three-piece stirring thrust is stronger, and the purpose of pulping kitchen waste is achieved by injecting water and kneading;

[0023] Alloy steel 5 is welded on the bottom cross-section, end cross-section and spiral outer cross-section of the spiral blade 3. The alloy steel 5 has the ability to crush hard and brittle materials into particles and pulverize them. The end of the alloy steel 5 is a sharp blade edge, which can quickly cut the material and separate it. The high strength and wear resistance of the alloy steel 5 are utilized to achieve crushing and stirring at multiple blade edge positions of the rotor during the process of processing the material, thereby improving the cutting effect and pulping ability of the spiral blade 3 and greatly improving the service life of the rotor.

[0024] In the preferred technical solution, the top surface of the base 1 is integrally formed with a convex surface 6, the bottom of the base 1 is a horizontal plane, and a plurality of wear-resistant strips 7 are arranged on the bottom surface of the base 1. The wear-resistant strips 7 can efficiently clean the screen of the hydraulic pulping machine body by friction contact, and the wear-resistant strips 7 can be replaced after being worn. The wear-resistant strips 7 are assembled by bolt fastening, and the wear-resistant strips 7 can be removed and replaced by removing the bolts.

[0025] In the preferred technical solution, the guide plate 4 is an arc plate, the upper end surface of the guide plate 4 is a flat surface, and the lower end surface of the guide plate 4 is connected to the convex surface 6 by welding, so that the material remaining on the surface of the base 1 can be quickly thrown out for repeated stirring.

[0026] In the preferred technical solution, the protruding distance B between one end of the guide plate 4 and the outer edge of the base 1 is set to 50mm~100mm, and the distance at one end includes but is not limited to 50mm, 60mm, 70mm, 80mm, 90mm, and 100mm. The distance A between the other end of the guide plate 4 and the rotating shaft 2 is set to 50mm~150mm, and the distance at the other end includes but is not limited to 50mm, 60mm, 70mm, 80mm, 90mm, 100mm, 110mm, 120mm, 130mm, 140mm, and 150mm.

[0027] In the preferred technical solution, the distance between two adjacent spiral blades 3 is the same, the pitch of the three spiral blades 3 is set to 450 mm, and the distance between two adjacent spiral blades 3 is 150 mm. The appropriate distance can ensure the pulping effect while preventing blockage and entanglement.

[0028] In summary, the present embodiment provides a rotor for hydraulic pulping of kitchen waste, which adopts three multi-turn spiral blades 3 that are evenly arranged, and alloy steel 5 is arranged on the spiral blades 3, thereby increasing the wear resistance of the spiral blades 3 and the cutting surface with the material, enhancing the effect of hydraulic kneading and stirring pulping, having an anti-winding function, increasing the service life of the rotor, and improving the efficiency of hydraulic pulping of kitchen waste.

Claims

1. A rotor for hydraulic pulping of kitchen waste, characterized in that: The invention comprises a base (1), a rotating shaft (2), a spiral blade (3) and a guide vane (4), wherein the rotating shaft (2) is fixed at the center position of the top surface of the base (1), the spiral blade (3) and the guide vane (4) are both three in number, the three guide vanes (4) are arranged around the top surface of the base (1), the three spiral blades (3) are spiral blade one (301), spiral blade two (302) and spiral blade three (303), the upper end height and the lower end height of the three spiral blades (3) are the same, and the three spiral blades (3) are arranged to be wound multiple times along the side wall of the rotating shaft (2).

2. The rotor for hydraulic pulping of kitchen waste according to claim 1, characterized in that: The bottom cross-section, the end cross-section and the spiral outer cross-section of the three spiral blades (3) are all welded and fixed with alloy steel (5).

3. The rotor for hydraulic pulping of kitchen waste according to claim 1, characterized in that: The top surface of the base (1) is integrally formed with a convex circular surface (6); the bottom of the base (1) is a horizontal surface; and the bottom surface of the base (1) is provided with a plurality of wear-resistant strips (7).

4. The rotor for hydraulic pulping of kitchen waste according to claim 3, characterized in that: The guide plate (4) is a circular arc plate, the upper end surface of the guide plate (4) is a flat surface, and the lower end surface of the guide plate (4) is tightly connected to the convex circular surface (6).

5. The rotor for hydraulic pulping of kitchen waste according to claim 1, characterized in that: The protruding distance B between one end of the guide plate (4) and the outer side of the base (1) is set to 50 mm to 100 mm, and the distance A between the other end of the guide plate (4) and the rotating shaft (2) is set to 50 mm to 150 mm.

6. The rotor for hydraulic pulping of kitchen waste according to claim 1, characterized in that: The spacing between two adjacent spiral blades (3) is the same, the pitches of the three spiral blades (3) are all set to 300 mm to 450 mm, and the spacing between two adjacent spiral blades (3) is 100 mm to 150 mm.