Novel side wall scraper mechanism

By designing a new sidewall scraper mechanism in aerobic fermentation equipment, and using scrapers and shaft end scrapers to clean the materials on the sidewalls of the fermentation chamber, the problems of plate bonding and anaerobic fermentation are solved, and the sufficient oxygen contact and aerobic fermentation effect of the material are achieved.

CN222833663UActive Publication Date: 2025-05-06TIANJIN HONGYI LIHUA TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202421914474.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-08
Publication Date
2025-05-06
Estimated Expiration
2034-08-08

AI Technical Summary

Technical Problem

In aerobic fermentation equipment, organic solid waste is pasted on the side wall of the fermentation chamber to form a plate bond, and the stirring shaft blades cannot be completely scraped off, resulting in the material being unable to fully contact with oxygen, forming anaerobic fermentation, affecting the fermentation quality and increasing the cost of waste gas treatment.

Method used

A new sidewall scraper mechanism is designed, including a first reducer motor, a screw, a guide wheel track, a guide wheel, a nut fixing plate, a scraper and a stirring mechanism. By combining the scraper and the shaft end scraper, the material cleaning of the side wall of the fermentation chamber is realized.

Benefits of technology

It effectively solves the problems of plate bonding and anaerobic fermentation caused by materials sticking to the inner wall of the fermentation chamber, reduces the generation of organic odor, ensures the aerobic fermentation effect of the material, and does not affect the fermentation quality and cost.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a novel side wall scraper mechanism, and belongs to the technical field of aerobic fermentation equipment. The novel side wall scraping plate mechanism comprises a first gear motor, a lead screw, a fermentation cabin, a guide wheel track, a guide wheel, a nut fixing plate, a scraping strip and a stirring mechanism, the first gear motor is fixed to the top of the fermentation cabin, and one end of the lead screw is rotationally arranged at the bottom of the fermentation cabin; the upper end of the lead screw and an output shaft of the first gear motor are fixed together, the guide wheel ensures that the scraping strip is always attached to the side wall of the fermentation cabin, the guide wheel plays a role in guiding the linear movement of the scraping strip and plays a decisive role in the stability, safety and reliability of the whole scraping strip, and the device is simple in structure, convenient to maintain and high in practicability. According to the novel side wall scraping plate mechanism, materials are effectively prevented from being adhered to the side wall of the fermentation cabin by utilizing the scraping strips and the shaft end scraping plates, so that the fermentation effect of the materials is ensured, and the aerobic fermentation quality and cost of the materials are not influenced.
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Description

Technical Field

[0001] The present application relates to the technical field of aerobic fermentation equipment, and in particular to a novel side wall scraper mechanism. Background Art

[0002] In the field of aerobic fermentation equipment technology, during the aerobic fermentation process in a box-type fermentation chamber, organic solid waste often forms a compaction due to sticking to the side wall of the fermentation chamber, and the stirring shaft blades cannot completely scrape off this part of the material. This part of the material cannot fully contact with oxygen and forms anaerobic fermentation. The material cannot be completely fermented within the five-day aerobic fermentation cycle, which will cause finished product pollution. At the same time, harmful gases such as hydrogen sulfide produced by anaerobic fermentation increase the cost of waste gas treatment, affecting the quality and cost of aerobic fermentation of materials. Utility Model Content

[0003] In order to make up for the above shortcomings, the present application provides a new type of side wall scraper mechanism, which aims to improve the aerobic fermentation equipment technology field. In the aerobic fermentation process of organic solid waste in the box-type fermentation chamber, it often forms a hardening due to sticking to the side wall of the fermentation chamber, and the stirring shaft blade cannot completely scrape off this part of the material. This part of the material cannot be fully contacted with oxygen to form anaerobic fermentation. The material cannot be completely fermented within the five-day aerobic fermentation cycle, which will cause pollution to the finished product. At the same time, the harmful gases such as hydrogen sulfide produced by anaerobic fermentation increase the cost of waste gas treatment, affecting the quality and cost of aerobic fermentation of materials.

[0004] This application is implemented as follows:

[0005] The present application provides a novel side wall scraper mechanism, comprising a first reduction motor, a screw rod, a fermentation chamber, a guide wheel track, a guide wheel, a nut fixing plate, a scraper and a stirring mechanism, wherein the first reduction motor is fixed to the top of the fermentation chamber, one end of the screw rod is rotatably arranged at the bottom of the fermentation chamber, the upper end of the screw rod and the output shaft of the first reduction motor are fixed together, the guide wheel track is fixed to the side wall of the fermentation chamber, and the guide wheel is fixed to the end of the nut fixing plate;

[0006] The guide wheel is slidably arranged on the guide wheel track, the screw thread penetrates the nut fixing plate, the scraper is fixed on the nut fixing plate, the scraper and the side wall of the fermentation chamber are tightly fitted together, the stirring mechanism is installed in the fermentation chamber, and the stirring mechanism is provided with an axial end scraper, the axial end scraper and the axial end surface of the fermentation chamber are tightly fitted, and the stirring mechanism is used to stir the organic solid waste and auxiliary materials in the fermentation chamber before fermentation.

[0007] In one embodiment of the present application, it also includes a base, which is fixed to the top of the fermentation chamber, and the first reduction motor is fixed on the base.

[0008] In one embodiment of the present application, it also includes a first bearing seat, which is fixed to the top of the fermentation chamber, and the screw rod rotates and passes through the first bearing seat.

[0009] In one embodiment of the present application, a nut is further included, wherein the nut is fixed on the nut fixing plate, and the screw thread passes through the nut.

[0010] In one embodiment of the present application, it also includes a second bearing seat, which is fixed to the bottom of the fermentation chamber, and the lower end of the screw rod is rotatably disposed on the second bearing seat.

[0011] In one embodiment of the present application, the stirring mechanism includes a second reduction motor, a chain, a transmission shaft, blades and a sprocket, and the second reduction motor is fixed in the fermentation chamber;

[0012] The transmission shaft is rotatably arranged on the fermentation chamber, one of the transmission shafts and the output shaft of the second reduction motor is fixed together by a coupling, the sprocket is fixed on the transmission shaft, the sprockets are connected together by the chain transmission, and the shaft end scraper is fixed on the transmission shaft.

[0013] In one embodiment of the present application, the scraper strip and the shaft end scraper are both non-metallic nylon plates, and the guide wheel is made of nylon.

[0014] In one embodiment of the present application, the screw rod, the nut fixing plate and the guide wheel track are made of stainless steel.

[0015] The beneficial effects of the present application are as follows: the present application obtains a novel side wall scraper mechanism through the above-mentioned design. When in use, the second reduction motor works regularly to drive the chain and the transmission shaft to rotate. The rotation of the chain realizes the synchronous rotation of multiple transmission shafts. The transmission shaft drives the blades to regularly flip and stir the fermented material, so that the pile is fully in contact with oxygen and the fermentation purpose is better achieved. During the rotation of the transmission shaft, the shaft end scraper is driven to rotate. The shaft end scraper cleans the material on the inner wall corresponding to the transmission shaft of the fermentation chamber. At the same time, the first reduction motor works regularly to drive the screw to rotate. The scraper bar moves up and down under the joint action of the guide wheel track, guide wheel, nut fixing plate and nut, that is, the scraper bar regularly cleans the material on the side wall of the fermentation chamber, effectively solving the problems of compaction and anaerobic fermentation caused by the material adhering to the inner wall of the fermentation chamber, and effectively reducing organic odor. The scraper bar regularly moves up and down along the fermentation tank wall, closely contacts the side wall of the fermentation tank, and thoroughly scrapes the material. The scraper bar is a non-metallic nylon plate, which does not damage the side wall during operation and can be replaced regularly. The screw rod, nut fixing plate and guide wheel track are made of stainless steel, which is not easy to corrode and has a long service life. The guide wheel is made of nylon, which has the characteristics of light weight, good toughness, excellent corrosion resistance, fatigue resistance, and stress cracking resistance. Its performance is not affected by the humidity environment. The guide wheel ensures that the scraper bar always fits the side wall of the fermentation tank, guides the linear movement of the scraper bar, and plays a decisive role in the stability, safety and reliability of the entire scraper bar. It has a simple structure and is easy to maintain. The new side wall scraper mechanism uses the scraper bar and the shaft end scraper to effectively prevent the material from sticking to the side wall of the fermentation tank, thereby ensuring the fermentation effect of the material, that is, it does not affect the quality and cost of aerobic fermentation of the material. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the implementation methods of the present application, the drawings required for use in the implementation methods will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a three-dimensional structural schematic diagram of a novel side wall scraper mechanism provided in an embodiment of the present application;

[0018] Figure 2 A diagram showing the relationship between the first reduction motor, the lead screw, the nut fixing plate, the guide wheel track and the guide wheel provided in the embodiment of the present application;

[0019] Figure 3 A diagram showing the relationship between the nut fixing plate and the scraper strip provided in an embodiment of the present application.

[0020] In the figure: 110 - first reduction motor; 120 - base; 130 - first bearing seat; 140 - lead screw; 150 - fermentation chamber; 160 - guide wheel track; 170 - guide wheel; 180 - nut; 190 - nut fixing plate; 191 - scraper; 192 - second bearing seat; 193 - stirring mechanism; 1931 - second reduction motor; 1932 - chain; 1933 - transmission shaft; 1934 - blade; 1935 - shaft end scraper; 1936 - sprocket. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solutions and advantages of the implementation methods of this application clearer, the technical solutions in the implementation methods of this application will be clearly and completely described below in conjunction with the drawings in the implementation methods of this application. Obviously, the described implementation methods are part of the implementation methods of this application, not all of the implementation methods. Based on the implementation methods in this application, all other implementation methods obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0022] Example

[0023] See also Figure 1 - Figure 3 The present application provides a technical solution: a novel side wall scraper mechanism, comprising a first reduction motor 110, a screw rod 140, a fermentation chamber 150, a guide wheel track 160, a guide wheel 170, a nut fixing plate 190, a scraper bar 191 and a stirring mechanism 193, wherein the first reduction motor 110 is fixed to the top of the fermentation chamber 150, and further comprising a base 120, wherein the base 120 is fixed to the top of the fermentation chamber 150, the first reduction motor 110 is fixed to the base 120, and the arrangement of the base 120 facilitates the installation of the first reduction motor 110 to the top of the fermentation chamber 150, one end of the screw rod 140 is rotatably arranged at the bottom of the fermentation chamber 150, and the upper end of the screw rod 140 is fixed to the output shaft of the first reduction motor 110;

[0024] It also includes a first bearing seat 130, which is fixed to the top of the fermentation chamber 150, and the screw rod 140 rotates and passes through the first bearing seat 130. The setting of the first bearing seat 130 allows the screw rod 140 to rotate more smoothly. It also includes a second bearing seat 192, which is fixed to the bottom of the fermentation chamber 150. The lower end of the screw rod 140 is rotatably set on the second bearing seat 192. The setting of the second bearing seat 192 allows the screw rod 140 to rotate more smoothly. The guide wheel track 160 is fixed to the side wall of the fermentation chamber 150, and the guide wheel 170 is fixed to the end of the nut fixing plate 190;

[0025] The guide wheel 170 is slidably arranged on the guide wheel track 160, the screw rod 140 is threadedly penetrated through the nut fixing plate 190, and also includes a nut 180, the nut 180 is fixed on the nut fixing plate 190, the screw rod 140 is threadedly penetrated through the nut 180, the arrangement of the nut 180 facilitates the screw rod 140 to control the nut fixing plate 190 to move up and down, the scraper bar 191 is fixed on the nut fixing plate 190, the scraper bar 191 and the side wall of the fermentation chamber 150 are closely fitted together, the stirring mechanism 193 is installed in the fermentation chamber 150, and the stirring mechanism 193 is provided with an axial end scraper 1935, and the axial end scraper 1935 and the axial end surface of the fermentation chamber 150 are closely fitted;

[0026] The stirring mechanism 193 includes a second reduction motor 1931, a chain 1932, a transmission shaft 1933, blades 1934 and a sprocket 1936. The second reduction motor 1931 is fixed in the fermentation chamber 150. The transmission shaft 1933 is rotatably arranged on the fermentation chamber 150. One of the transmission shafts 1933 and the output shaft of the second reduction motor 1931 is fixed together through a coupling. The sprocket 1936 is fixed on the transmission shaft 1933. The sprockets 1936 are connected together through the chain 1932. The shaft end scraper 1935 is fixed on the transmission shaft 193 3, the stirring mechanism 193 is used to stir the organic solid waste and auxiliary materials in the fermentation chamber 150 before fermentation. The scraper 191 and the shaft end scraper 1935 are both non-metallic nylon plates. The guide wheel 170 is made of nylon. The non-metallic nylon plate does not damage the side wall during operation and can be replaced regularly. The nylon material is light in weight, has good toughness, excellent corrosion resistance, and is resistant to fatigue and stress cracking. Its performance is not affected by the humidity environment. The screw 140, the nut fixing plate 190 and the guide wheel track 160 are made of stainless steel, which is not easy to corrode and has a long service life.

[0027] Specifically, the working principle of the new side wall scraper mechanism is as follows: when in use, the second reduction motor 1931 works regularly to drive the chain 1932 and the transmission shaft 1933 to rotate. The rotation of the chain 1932 realizes the synchronous rotation of multiple transmission shafts 1933. The transmission shaft 1933 drives the blades 1934 to regularly flip and stir the fermented material, so that the pile is fully in contact with oxygen and the fermentation purpose is better achieved. During the rotation of the transmission shaft 1933, the shaft end scraper 1935 is driven to rotate. The shaft end scraper 1935 cleans the material on the inner wall corresponding to the transmission shaft 1933 of the fermentation chamber 150. At the same time, the first reduction motor 110 works regularly to drive the screw rod 140 to rotate, and the scraper bar 191 moves up and down under the joint action of the guide wheel track 160, the guide wheel 170, the nut fixing plate 190 and the nut 180, that is, the scraper bar 191 regularly cleans the material on the side wall of the fermentation chamber, which effectively solves the problem of compaction and anaerobic fermentation caused by the material adhering to the inner wall of the fermentation chamber, and effectively reduces The generation of organic odor is prevented. The scraper 191 regularly moves up and down along the wall of the fermentation chamber 150, and is in close contact with the side wall of the fermentation chamber 150, so that the material is scraped thoroughly. The scraper 191 is a non-metallic nylon plate, which does not damage the side wall during operation and can be replaced regularly. The screw 140, the nut fixing plate 190 and the guide wheel track 160 are made of stainless steel, which is not easy to corrode and has a long service life. The guide wheel 170 is made of nylon, which has light weight, good toughness, excellent corrosion resistance, and anti-fatigue, anti-stress cracking and other characteristics. Its performance is not affected by the humidity environment. The guide wheel 170 ensures that the scraper 191 always fits the side wall of the fermentation chamber 150, guides the linear movement of the scraper 191 in the direction, and plays a decisive role in the stability and safety and reliability of the entire scraper 191. It has a simple structure and is easy to maintain. The new side wall scraper mechanism uses the scraper 191 and the shaft end scraper 1935 to effectively prevent the material from sticking to the side wall of the fermentation chamber 150, thereby ensuring the fermentation effect of the material, that is, it does not affect the quality and cost of aerobic fermentation of the material.

[0028] It should be noted that the specific models and specifications of the first reduction motor 110, the fermentation chamber 150 and the second reduction motor 1931 need to be selected and determined according to the actual specifications of the device, and the specific selection and calculation method adopts the existing technology in the field, so it will not be described in detail.

[0029] The power supply and principle of the first reduction motor 110, the fermentation chamber 150 and the second reduction motor 1931 are clear to those skilled in the art and will not be described in detail here.

[0030] The above description is only an embodiment of the present application and is not intended to limit the scope of protection of the present application. For those skilled in the art, the present application may have various changes and variations. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present application should be included in the scope of protection of the present application. It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

Claims

1. A new type of side wall scraper mechanism, characterized in that: The invention comprises a first reduction motor (110), a screw rod (140), a fermentation chamber (150), a guide wheel track (160), a guide wheel (170), a nut fixing plate (190), a scraper (191) and a stirring mechanism (193), wherein the first reduction motor (110) is fixed to the top of the fermentation chamber (150), one end of the screw rod (140) is rotatably arranged at the bottom of the fermentation chamber (150), the upper end of the screw rod (140) and the output shaft of the first reduction motor (110) are fixed together, the guide wheel track (160) is fixed to the side wall of the fermentation chamber (150), and the guide wheel (170) is fixed to the end of the nut fixing plate (190); The guide wheel (170) is slidably arranged on the guide wheel track (160), the screw rod (140) is threadedly penetrated through the nut fixing plate (190), the scraper (191) is fixed on the nut fixing plate (190), the scraper (191) and the side wall of the fermentation chamber (150) are tightly fitted together, the stirring mechanism (193) is installed in the fermentation chamber (150), and the stirring mechanism (193) is provided with an axial end scraper (1935), the axial end scraper (1935) and the axial end surface of the fermentation chamber (150) are tightly fitted together, and the stirring mechanism (193) is arranged to stir the organic solid waste and auxiliary materials in the fermentation chamber (150) before fermentation.

2. A novel side wall scraper mechanism according to claim 1, characterized in that: It also includes a base (120), wherein the base (120) is fixed on the top of the fermentation chamber (150), and the first reduction motor (110) is fixed on the base (120).

3. A novel side wall scraper mechanism according to claim 1, characterized in that: It also includes a first bearing seat (130), wherein the first bearing seat (130) is fixed to the top of the fermentation chamber (150), and the screw rod (140) rotates and passes through the first bearing seat (130).

4. A novel side wall scraper mechanism according to claim 1, characterized in that: It also includes a nut (180), wherein the nut (180) is fixed on the nut fixing plate (190), and the screw rod (140) is threadedly passed through the nut (180).

5. A novel side wall scraper mechanism according to claim 1, characterized in that: It also includes a second bearing seat (192), which is fixed to the bottom of the fermentation chamber (150), and the lower end of the screw rod (140) is rotatably disposed on the second bearing seat (192).

6. A novel side wall scraper mechanism according to claim 1, characterized in that: The stirring mechanism (193) comprises a second reduction motor (1931), a chain (1932), a transmission shaft (1933), blades (1934) and a sprocket (1936), wherein the second reduction motor (1931) is fixed in the fermentation chamber (150); The transmission shaft (1933) is rotatably arranged on the fermentation chamber (150), wherein one of the transmission shafts (1933) and the output shaft of the second reduction motor (1931) are fixed together via a coupling, the sprocket (1936) is fixed on the transmission shaft (1933), the sprockets (1936) are connected together via the chain (1932), and the shaft end scraper (1935) is fixed on the transmission shaft (1933).

7. A novel side wall scraper mechanism according to claim 1, characterized in that: The scraper strip (191) and the shaft end scraper plate (1935) are both non-metallic nylon plates, and the guide wheel (170) is made of nylon.

8. A novel side wall scraper mechanism according to claim 1, characterized in that: The screw rod (140), the nut fixing plate (190) and the guide wheel track (160) are all made of stainless steel.