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Agricultural organic waste fermentation system and method

A technology for organic waste and fermentation systems, applied in biochemical equipment and methods, biological material sampling methods, bioreactor/fermentation tank combinations, etc., can solve the problems of increased material viscosity, poor thermal conductivity, and difficult discharge, etc. problem, to achieve the effect of increasing the stirring torque, improving the stirring effect and improving the heating effect

Active Publication Date: 2022-05-17
河南鸣皋智能科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the agitation resistance of anaerobic dry fermentation is large, and the fluidity of the material is not good, so it is difficult to mix the fermentation raw material and the inoculum
Moreover, the viscosity of the material will also increase during the anaerobic dry fermentation process, resulting in poor fluidity and difficulty in discharging
Anaerobic fermentation needs to heat the material to a suitable temperature. Due to the low water content and poor thermal conductivity of the material, it is not easy to heat the material evenly during the anaerobic dry fermentation process.

Method used

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  • Agricultural organic waste fermentation system and method
  • Agricultural organic waste fermentation system and method
  • Agricultural organic waste fermentation system and method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0049] An agricultural organic waste fermentation system, such as Figure 1-16 Shown, comprising a pretreatment device, the pretreatment device is connected to a fermentation device, the pretreatment device comprises a crushing device 1 and an infeed device 2 connected to the inlet, the fermentation device comprises a fermentation tank 3, the fermentation tank 3 is provided with a uniform heating device, and there is also a stirring device 4 in conjunction with the uniform heating device.

[0050] as Figure 1-6As shown, the fermentation tank 3 is a hollow cylindrical structure set horizontally, the front and rear ends of the fermentation tank 3 are opened with an inlet and an outlet port 301, the inlet is connected to the feed device 2, and the feed device 2 is connected to the crushing device 1 at one end away from the feed port; the heating device includes a heating tube 5 set vertically inside the fermentation tank 3, each heating tube 5 is a vertical cylindrical structure, and...

Embodiment 2

[0059] Embodiment 1 of the method of agricultural organic waste fermentation system, comprising the following steps:

[0060]Step 1, add materials; the waste straw and other materials are added to the crushing device 1, the crushing device 1 is crushed, the feed device 2 transports the material from the inlet to the fermentation tank 3; when the material is added to the fermentation tank 3, each first motor 410 rotates and drives the drive shaft 409 to rotate, the transmission shaft 409 drives the second bevel gear 407 at the top of it to rotate, the second bevel gear 407 drives the first bevel gear 406 to rotate and its meshing connection, and the first bevel gear 406 drives the second stirring shaft 403 to rotate, The second stirring shaft 403 drives the stirring rod 405 and the rotating blade 601 rotates, the rotating blade 601 pushes the material from front to back, the material is transported to the fermentation tank 3, the material enters the fermentation tank 3, and the in...

Embodiment 3

[0064] The present embodiment is the same as other portions of Example 2, the difference is, e.g., Figure 17-19As shown, the top of the fermentation tank 3 is sealed with a closed shell 302, the closed shell 302 is internally connected with the fermentation tank 3, the closed shell 302 is provided with a cleaning device corresponding to the heating tube 5 7, the cleaning device 7 includes a scraping ring 701 directly above each heating tube 5, the scraping ring 701 is a circular structure coaxial to the addition of the tube, the inner diameter of the scraping ring 701 is 2-5mm larger than the outer diameter of the heating tube 5, the outer ring surface of the lower half of the scraping ring 701 is inclined, and the slope is inclined from top to bottom to its axis. Scraping ring 701 on the vertical surface of the projection of the upper half is rectangular, the lower half is a large and small trapezoidal. Scraping ring 701 is connected to the upper part of the lifting mechanism 70...

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Abstract

The invention belongs to the technical field of agricultural organic waste recycling, and particularly discloses an agricultural organic waste fermentation system which comprises a pretreatment device, the pretreatment device is connected with a fermentation device, the pretreatment device comprises a smashing device and a feeding device which are connected with a feeding port, and the fermentation device comprises a fermentation tank. A uniform heating device is arranged in the fermentation tank, and a stirring device matched with the uniform heating device is also arranged in the fermentation tank; the invention provides an agricultural organic waste fermentation system capable of uniformly stirring and heating in an anaerobic dry fermentation process, and also provides an agricultural organic waste fermentation method capable of uniformly stirring and heating.

Description

Technical field [0001] The present invention belongs to the field of agricultural organic waste resource technology, specifically relates to an agricultural organic waste fermentation system and method. Background [0002] China will produce a large number of agricultural organic waste every year, the use of agricultural waste anaerobic fermentation to produce biogas has the advantages of low cost, mature technology, high energy recovery rate, widely used in the resource utilization of agricultural waste. According to the total solids content of the fermentation substrate, anaerobic fermentation can be divided into anaerobic wet fermentation and anaerobic dry fermentation. However, the use of anaerobic wet fermentation technology to treat manure will produce a large amount of biogas slurry, which requires the consumption of a large amount of arable land, and improper application will also cause secondary pollution. [0003] Anaerobic dry fermentation makes up for the shortcoming...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12M1/107C12M1/38C12M1/34C12M1/02C12M1/00
CPCC12M21/04C12M27/06C12M33/04C12M41/24C12M33/00C12M45/02C12M39/00Y02E50/30
Inventor 孙士峰刘建新陈丰年钮信晓杨晓民王晓平孔红献王海红邢盛伟李建华石聪代瑞娟姜春艳尚晓琰赵勇孙晖
Owner 河南鸣皋智能科技有限公司
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