Continuous membrane-covered aerobic fermentation system and its application method

A continuous membrane-covered aerobic fermentation system, comprising:

• a fermentation trough which is formed by underground walls of trough, above-ground walls of trough, and a trough bottom;
• two above-ground walls of trough are fixedly arranged on tops of two underground walls of trough respectively, each above-ground wall of trough is thinner than corresponding underground wall of trough, and an inner surface of each above-ground wall of trough is flush with an inner surface of the corresponding underground wall of trough;
• a membrane changing machine comprising detachable rolling wheels, a motor for membrane uncovering, a motor for membrane laying, baffle discs for membrane uncovering and baffle discs for membrane laying, the membrane changing machine being configured for performing membrane uncovering, membrane laying, or membrane changing treatments on a semipermeable membrane covered on the fermentation trough and materials in the fermentation trough;
• a pile turning machine comprising a pile turning walking device, a main body support for the pile turning machine, a chain plate conveying device, a material taking device, and a material taking support frame, the pile turning machine being configured for direct turning and further mixing the materials under the membrane without uncovering the membrane, and gradually shifting and conveying the materials to another fixed position;
• and
• a condensate collecting system comprising a U-shaped diversion part, the semipermeable membrane, and conveying channels, the condensate collecting system being configured for continuously collecting condensate on a inner surface of the semipermeable membrane in real time and guiding out the condensate,
• wherein the fermentation trough comprises a feeding area, a fermentation area and a discharging area which are sequentially connected to one another from left to right;
• and
• an outlet for pile turning machine and an inlet for pile turning machine are formed at two ends of the fermentation trough respectively, the outlet for pile turning machine is connected to the feeding area, and the inlet for pile turning machine is connected to the discharging area;
• wherein the continuous membrane-covered aerobic fermentation system further comprises a sectional ventilation device, wherein the sectional ventilation device comprises an underground ventilation chamber, fans arranged in the underground ventilation chamber, and ventilation ducts, and the underground ventilation chamber is located in middle of the whole fermentation trough and transversely embeds in the trough bottom along a width direction of the fermentation trough;
• and
• wherein two groups of fans are arranged, and the two groups of fans are connected to a left end and a right end of the fermentation trough through two groups of ventilation ducts respectively;
• wherein the membrane changing machine comprises:
• a main body support for the membrane changing machine, the main body support for the membrane changing machine at least comprising transverse bearing plates for membrane changing, a longitudinal fixing support for membrane changing, hydraulic telescopic frames and rolling wheel support frames;
• two transverse bearing plates for membrane changing are symmetrically arranged on two sides of the main body support for the membrane changing machine respectively;
• the longitudinal fixing support for membrane changing stretches across upper portions of the transverse bearing plates for membrane changing on a left side and a right side, and a lower end of the longitudinal fixing support for membrane changing is fixedly connected to a middle part of the transverse bearing plate for membrane changing on the same side;
• every two of four rolling wheel support frames form a group, the two groups of rolling wheel support frames are arranged at a front end and a rear end of the main body support for the membrane changing machine respectively, one end of each rolling wheel support frame is hinged to an upper end of the longitudinal fixing support for membrane changing, and another end of each rolling wheel support frame is a free end;
• every two of four hydraulic telescopic frames form a group, and two groups of hydraulic telescopic frames are arranged at the front end and the rear end of the main body support for the membrane changing machine respectively;
• one end of each hydraulic telescopic frame is hinged to the middle of the longitudinal fixing support for membrane changing, and another end of each hydraulic telescopic frame is hinged to the rolling wheel support frame;
• rising walking wheels and a walking motor;
• every two of four walking wheels form a group, and two groups of walking wheels are arranged on a left side and a right side of the main body support for the membrane changing machine respectively, and two walking wheels in each group are connected with a front end and a rear end of the transverse bearing plate for membrane changing through connecting pieces respectively;
• an output shaft of the walking motor is connected to a central shaft of one of the walking wheels, and the walking motor is arranged on a transverse bearing plate for membrane changing on one side;
• a membrane changing device, the membrane changing device comprising a detachable rolling wheel for membrane uncovering, a detachable rolling wheel for membrane laying, a motor for membrane uncovering, a motor for membrane laying, two baffle discs for membrane uncovering and two baffle discs for membrane laying;
• two sides of the detachable rolling wheel for membrane uncovering are fixedly connected to two baffle discs for membrane uncovering, and a whole body formed by the detachable rolling wheel for membrane uncovering and the baffle discs for membrane uncovering is detachably connected to the free ends of two rolling wheel support frames located at the front end of the main body support for the membrane changing machine;
• an output shaft of the motor for membrane uncovering is connected to a central shaft on one side of the detachable rolling wheel for membrane uncovering and configured for driving the detachable rolling wheel for membrane uncovering to rotate;
• two sides of the detachable rolling wheel for membrane laying are fixedly connected to two baffle discs for membrane laying, and a whole body formed by the detachable rolling wheel for membrane laying and the baffle discs for membrane laying is detachably connected to the free ends of the two rolling wheel support frames located at the rear end of the main body support for the membrane changing machine;
• an output shaft of the motor for membrane laying is connected to a central shaft on one side of the detachable rolling wheel for membrane laying and configured for driving the detachable rolling wheel for membrane laying to rotate;
• and
• a control platform, the control platform comprising a fixed fence, a display controller and a ladder;
• the control platform is integrally supported and fixed by three control console support frames, the ladder and a top end of the longitudinal fixing support for membrane changing in a combined mode and located between the detachable rolling wheel for membrane uncovering and the detachable rolling wheel for membrane laying;
• the fixed fence is welded on a metal floor of the control platform and configured for preventing an operator from falling off;
• the display controller is arranged in the fixed fence, connected to the walking motor, the motor for membrane uncovering and the motor for membrane laying through connecting lines, and configured for controlling walking and turning of the whole machine, lifting and falling of the detachable rolling wheel for membrane uncovering and the detachable rolling wheel for membrane laying and rotation of the detachable rolling wheel for membrane uncovering and the detachable rolling wheel for membrane laying through a preset intelligent control program;
• an upper end of the ladder is fixed to the metal floor of the control platform and connected to an inlet of the fixed fence, and a lower end of the ladder is fixedly connected to the transverse bearing plate for membrane changing on one side.