Sequencing batch anaerobic dry fermentation apparatus and method

Abstract

The invention discloses a sequencing batch anaerobic dry fermentation apparatus and a method and belongs to the field of anaerobic dry fermentation, aiming at solving the problem of low feeding and discharge efficiency of the existing apparatus in the dry fermentation process. The sequencing batch anaerobic dry fermentation apparatus comprises a sequencing batch anaerobic dry fermentation reactor,a percolate collection tank and spraying equipment, wherein the spraying equipment is arranged above the sequencing batch anaerobic dry fermentation reactor, the percolate collection tank is connected to the bottom of the sequencing batch anaerobic dry fermentation reactor, and the spraying equipment is communicated with the bottom of the percolate collection tank by a spraying pipeline; a lifting device and at least one material reaction cart are arranged in the sequencing batch anaerobic dry fermentation reactor, and the material reaction cart is connected with a lifting device. According to the invention, the feeding and discharge efficiency of the sequencing batch anaerobic dry fermentation process is improved fundamentally, the continuous operation level of the sequencing batch anaerobic dry fermentation biogas engineering is improved; the material filling efficiency of the reactor is improved, and improvement of the volume biogas producing efficiency of the dry fermentation process is facilitated.

Description

Technical field [0001] The invention belongs to the field of anaerobic dry fermentation, and specifically relates to a sequential batch type anaerobic dry fermentation device and method. Background technique [0002] The existing biogas dry fermentation device with fast feeding and discharging function includes a tank body and a tank bottom. The tank body is a fermenter with a small cone-shaped upper part and a large bottom part connected with an inverted cone-shaped tank bottom to form an integrated structure. The external and internal feeding system is provided with a discharging system inside the fermentation tank, and the feeding system includes an external feeding mechanism and an internal distributing mechanism of the fermentation tank; the external feeding mechanism consists of a lower feeding box and a lower feeding system. It consists of a motor, a lower screw feed tube, a lower screw propeller, an upper feed box, an upper motor, an upper screw feed tube, and an upper sc...

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a sequence batch type anaerobic dry fermentation device, to solve the problem of low efficiency of feeding and discharging materials in the dry fermentation process existing in the existing device

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