Automated biogas dry fermentation device

A dry fermentation device and biogas technology, which is applied in biochemical cleaning devices, special-purpose bioreactors/fermenters, enzymology/microbiology devices, etc., can solve the problem of poor sealing, waste of manpower and material resources, and impact on biogas technology Promotion and other issues, to achieve the effect of good sealing performance, convenient feeding and discharging, and compact structure

Inactive Publication Date: 2010-08-18
UNIV OF SCI & TECH BEIJING +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, under the premise that the country advocates scientific development, many enterprises have spent a lot of money to establish biogas fermentation projects, but due to poor sealing pro

Method used

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  • Automated biogas dry fermentation device
  • Automated biogas dry fermentation device
  • Automated biogas dry fermentation device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach 1

[0022] Embodiment 1: first crush the corn stalks to 3-5 cm, then use enzyme bacteria to treat the corn stalks, and then put them into the outer cylinder retting tank 2 through the outer cylinder feeding port 7 for retting, during which the oxygen required is determined by Natural and forced ventilation are supplied by a control system. After 5 days of retting, first the inner cylinder top cover 11 (the inner cylinder top cover 11 includes the inner cylinder cover and the inner cylinder wall part at the upper end of the inner cylinder feeding port 10) is lifted, and the inner cylinder The feed port 10 of the cylinder is exposed, and then the bottom plate 7 at the bottom of the retting tank 2 of the outer cylinder is pulled up by the rope, and the crushed corn stalks are squeezed into the anaerobic fermentation tank 4 of the inner cylinder through the feed port 10 of the inner cylinder for fermentation. After completion, the inner cylinder top cover 11 falls, and the inner cylind...

Embodiment approach 2

[0023] Embodiment 2: The operation mode of this program is the same as that of program 1, except that the sealing method when the inner cylinder feed port 10 is closed is an annular water ring seal, see figure 2 , there is a groove on the inner cylinder top cover 11 and the lower inner cylinder wall respectively, and an annular plastic water circle 4 is placed in the lower groove, when the inner cylinder top cover 11 is lifted, the water in the water circle 13 is drawn out, and the inner cylinder After the cylinder anaerobic fermentation tank 4 feed is completed, the inner cylinder top cover 11 falls, and this time, the water circle 13 is filled with water again.

Embodiment approach 3

[0024] Implementation Option 3: See image 3 , the operation mode of the outer cylinder retting tank 2 of this scheme is the same as that of the scheme 1, but the feeding height of the outer cylinder retting tank 2 is lower than the height of the inner cylinder feeding port 10. The temperature sensor 15 originally inserted in the middle of the anaerobic fermentation tank 4 of the inner cylinder is now inserted into the bottom of the anaerobic fermentation tank 4 of the inner cylinder. The inner cylinder wall is surrounded by water, and an electric heater 17 is inserted in the water. 18 control, the heated water plays the role of heating and heat preservation on the material of the anaerobic fermentation tank 4 in the inner cylinder. In addition to being controlled by the original temperature control system 8, the temperature control of the inner cylinder anaerobic fermentation tank 4 is also guaranteed by the water outside the inner cylinder wall. In addition, the inner tube ...

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Abstract

The invention discloses an automated biogas dry fermentation device, belonging to the field of energy saving and environmental protection, and consisting of an outer barrel composting trough 2 and an inner barrel anaerobic fermentation trough 4, and the required conditions of the reaction is controlled by a ventilation control system 3 of the outer barrel composting trough 2 as well as an automatic temperature control system 8 and a liquid flow mixing system 1 which control fermentation materials in the inner barrel anaerobic fermentation trough 4. The device is characterized in that the materials can be automatically discharged from the outer barrel composting trough 2 to be fed into the inner barrel anaerobic fermentation trough 4, and in order to ensure the leak tightness of the device, the invention provides three sealing modes of annular rubber pad type sealing, annular water ring type sealing and annular water seal. The device can reduce the possibility of leading oxygen into the device because of the misoperation of workers, and has good biogas quality and biogas generation rate.

Description

Technical field: [0001] The invention belongs to the field of energy conservation and environmental protection, and relates to a dry fermentation biogas device mainly used in a biogas fermentation project for processing organic wastes, in particular to the sealing and automation of the biogas device. Background technique: [0002] Biogas technology has been widely used in my country in recent years. In biogas technology, the sealing of fermentation equipment has a great influence on the quality and rate of gas production. Whether the sealing is good is the key to measure the successful operation of biogas fermentation equipment. At the same time, under the premise of the current energy crisis, biogas technology is vigorously promoted, and the automation of biogas equipment is a key factor affecting the wide application of biogas technology. [0003] As we all know, if the biogas fermentation device leaks air, if there is oxygen in the device, no or less gas will be produced,...

Claims

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Application Information

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IPC IPC(8): C12M1/38C12M1/107C12M1/02
CPCY02E50/343C12M23/38C12M41/12C12M21/16C12M41/48C12M21/04Y02E50/30
Inventor 汪群慧王利红李子邝吴川福
Owner UNIV OF SCI & TECH BEIJING
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