CN216946974U - An integrated machine for biogas and fertilizer preparation based on straw fermentation - Google Patents

Abstract

The utility model relates to the technical field of fertilizer preparation, in particular to an integrated biogas and fertilizer preparation machine based on straw fermentation, which can gather soft and dispersed biogas mud, facilitate the salvage of biogas mud, and has high working efficiency for preparing fertilizer; The auger pipe, arc scraper, auger, mud feeding pipe, drying box, air extractor, air supply pipe, igniter and exhaust pipe, the auger pipe is rotated and installed in the biogas tank, and the bottom of the auger pipe is set There are multiple mud inlets, multiple arc scrapers are installed on the lower end of the auger pipe, the auger is installed in the inside of the auger pipe, and the input end of the mud feeding pipe is rotatably connected with the upper port of the auger pipe. The rotating shaft extends above the mud feeding pipe, the driving mechanism is connected with the rotating shaft of the auger and the auger pipe, the mud feeding pipe is connected with the drying box, the air extractor is installed on the top cover of the biogas tank, and the air extractor is installed with The air supply pipe and the igniter are located in the combustion chamber of the drying box, and the exhaust pipe is communicated with the combustion chamber of the drying box.

Description

An integrated machine for biogas and fertilizer preparation based on straw fermentation

technical field

The utility model relates to the technical field of fertilizer preparation, in particular to an integrated biogas and fertilizer preparation machine based on straw fermentation.

Background technique

Biogas can be produced by fermentation of straw. Biogas is a kind of clean energy. The biogas in the biogas digester can be used to prepare fertilizer. After the straw is fermented into biogas in the biogas digester, it will sink to the bottom of the biogas digester. It is salvaged and dried, but the biogas mud is scattered at the bottom of the biogas tank, and the biogas mud is relatively loose, which makes it difficult to salvage the biogas mud, resulting in low efficiency of fertilizer preparation.

Utility model content

In order to solve the above-mentioned technical problems, the utility model provides an integrated biogas and fertilizer preparation machine based on straw fermentation, which can gather the soft and dispersed biogas mud, facilitate biogas mud salvage, and has high working efficiency for fertilizer preparation.

The utility model relates to a biogas and fertilizer preparation integrated machine based on straw fermentation, which comprises a biogas tank, an auger pipe, an arc scraper, an auger, a mud feeding pipe, a drying box, an air extractor, an air supply pipe and an igniter. And the exhaust pipe, the interior of the biogas tank is provided with a fermentation chamber, the upper end face of the biogas tank is provided with a top cover, the lower end of the auger pipe is concentrically connected to the bottom of the fermentation chamber of the biogas tank, and the upper part of the auger pipe is connected with the biogas The top cover of the tank is connected in rotation, and the upper port of the auger pipe is located above the top cover of the biogas tank. There are multiple mud inlets on the bottom outer wall of the auger pipe, and multiple arc scrapers are evenly installed on the bottom of the auger pipe. On the outer wall of the lower end, the lower end faces of the plurality of arc scrapers are in contact with the bottom of the biogas tank, the auger is installed in the inside of the auger pipe through the concentric rotation of the rotating shaft, and the input end of the mud feeding pipe is rotatably connected with the upper port of the auger pipe. The upper end of the rotating shaft of the auger protrudes above the mud feeding pipe, and the driving mechanism is installed on the top cover of the biogas tank. The upper part of the drying box is provided with a drying chamber, the upper end face of the drying box is provided with an air outlet, the lower part of the drying box is provided with a combustion chamber, and the air outlet is communicated with the drying chamber, A stirring mechanism is installed in the dry chamber, the air extractor is installed on the top cover of the biogas tank, the intake pipe of the air extractor extends into the fermentation chamber of the biogas tank, and the air outlet of the air extractor is equipped with an air supply pipe and an igniter. Installed on the output end of the air supply pipe, the igniter is located in the combustion chamber of the drying box, the exhaust pipe is installed on the outer wall of the drying box, and the input end of the exhaust pipe extends into the combustion chamber of the drying box; The machine extracts the biogas in the fermentation chamber of the biogas tank and sends it to the igniter through the gas supply pipe. The igniter ignites the biogas in the combustion chamber of the drying box, preheats the drying chamber of the drying box, and burns the gas. The exhaust gas is discharged through the exhaust pipe, the driving mechanism drives the auger pipe to rotate, and the auger pipe drives a plurality of arc scrapers to rotate, and the multiple arc scrapers gather the biogas scattered at the bottom of the biogas tank to the center of the bottom of the biogas tank. The biogas mud enters the inside of the auger pipe through the mud inlet at the lower end of the auger pipe, and at the same time the driving mechanism drives the auger to rotate, and the rotating auger will transport the mud gathered at the lower end of the auger pipe upward along the interior of the auger pipe. , the biogas mud enters the mud feeding pipe through the upper port of the auger pipe, and enters the drying chamber of the drying box through the mud feeding pipe. The stirring mechanism in the drying chamber of the drying box stirs the biogas mud to speed up the The mud is dried, the evaporated water is discharged through the air outlet of the drying box, and the dried biogas mud is discharged through the output port of the drying box, which can gather the loose and dispersed biogas mud, facilitate the salvage of the biogas mud, and improve the efficiency of fertilizer preparation.

Preferably, it also includes a plurality of permeable holes, the upper part of the auger tube is provided with an extrusion section with a gradually shrinking inner diameter, and a plurality of permeable holes are evenly arranged on the outer wall of the extrusion section; due to the inner diameter of the extrusion section of the auger tube It gradually shrinks and becomes smaller, but the conveying speed of the sludge remains unchanged, causing the pressure of the sludge to increase, so that the sludge is squeezed, and the water contained in the sludge is squeezed out, and the extruded water flows through multiple permeable holes. Return to the fermentation chamber of the biogas digester to reduce the water content of the biogas sludge, increase the drying speed and improve the working efficiency of the equipment.

Preferably, it also includes a sealing joint, the sealing joint is concentrically sleeved on the outer wall of the upper port of the auger pipe, the upper end of the sealing joint is rotatably connected with the lower end of the mud feeding pipe, and a sealing joint is provided between the inner wall of the sealing joint and the outer wall of the lower end of the mud feeding pipe. Seal ring, the input end of the mud feeding pipe is rotatably connected with the upper port of the auger pipe through the sealing joint; the input end of the mud feeding pipe is rotatably connected with the upper port of the auger pipe through the sealing joint, so that the auger pipe is rotated while maintaining the seal It can avoid the leakage of biogas mud and biogas slurry and improve the reliability of the equipment.

Preferably, the driving mechanism further includes a double-headed motor, a plurality of pulleys and two belts, the double-headed motor is installed on the top cover of the biogas digester through a bracket, and the upper and lower ends of the double-headed motor are respectively provided with gearboxes, The rotation speed of the output shaft of the box is higher than that of the output shaft below, and the two output shafts turn in opposite directions. The two output shafts are concentrically installed with pulleys. The upper end of the rotating shaft of the auger and the outer wall of the sealing joint are concentrically installed with pulleys. One The belt is set on the pulley on the rotating shaft of the auger and the pulley on the upper output shaft of the double-head motor, and the other belt is set on the pulley on the sealing joint and the pulley on the lower output shaft of the double-head motor; The two output shafts drive the two pulleys to rotate in the reverse and unequal speed, so that the two belts rotate in the reverse and unequal speed, which in turn drives the auger and the auger tube to rotate in the reverse and unequal speed, and the speed of the auger is higher than that of the auger tube. The high rotation speed enables multiple arc scrapers to gather the mud, and the auger can efficiently transport the mud, improving the working efficiency of the equipment.

Preferably, it also includes a three-way valve and an air supply pipe. The air outlet of the air extractor is connected to the main channel of the three-way valve through the air pipe, the input end of the air supply pipe is connected to a secondary channel of the three-way valve, and the input end of the air supply pipe is connected to the main channel of the three-way valve. The other channel of the three-way valve is connected; the output end of the gas supply pipe is connected to the biogas conveying system. By being installed on the three-way valve, the biogas can be conveyed to the igniter through the air supply pipe, and the biogas can be conveyed to the biogas conveying system through the air supply pipe. , to improve the practicability of the equipment.

Preferably, the stirring mechanism further includes a stirring motor, two stirring rods and a plurality of stirring blades, the stirring motor is installed on the outer wall of the drying box, and the reduction box of the stirring motor is provided with two output shafts, and the two output shafts are respectively connected with the two output shafts. One end of each stirring rod is concentrically connected, the two stirring rods are respectively rotated and installed in the drying chamber of the drying box, and a plurality of stirring blades are respectively installed on the two stirring rods. It is located in the drying chamber of the drying box; the stirring motor drives two stirring rods to rotate, and the two stirring rods drive a plurality of stirring blades to rotate, and the plurality of stirring blades stir and turn the sludge in the drying chamber of the drying box. , so that the sludge is fully dispersed and heated, and the work efficiency is improved.

Compared with the prior art, the beneficial effect of the utility model is as follows: the gas extractor extracts the biogas in the fermentation chamber of the biogas tank and delivers it to the igniter through the gas supply pipe, and the igniter ignites the biogas in the combustion chamber of the drying box , to preheat the drying chamber of the drying box, the burning exhaust gas is discharged through the exhaust pipe, the driving mechanism drives the auger pipe to rotate, and the auger pipe drives multiple arc scrapers to rotate, and the multiple arc scrapers will The biogas mud scattered at the bottom of the biogas digester gathers in the center of the bottom of the biogas digester, so that the biogas mud enters the inside of the auger pipe through the mud inlet at the lower end of the auger pipe. At the same time, the driving mechanism drives the auger to rotate, and the rotating auger will gather at the The biogas mud at the lower end of the auger pipe is transported upward along the interior of the auger pipe, the biogas mud enters the mud feeding pipe through the upper port of the auger pipe, and enters the drying chamber of the drying box through the mud feeding pipe, and is dried. The stirring mechanism in the drying chamber of the drying box stirs the sludge to speed up the drying of the sludge. The evaporated water is discharged through the air outlet of the drying box, and the dried sludge is discharged through the output of the drying box, which can be gathered and soft. Dispersed swamp mud facilitates salvage of swamp mud and improves the efficiency of fertilizer preparation.

Description of drawings

Fig. 1 is the structural representation of the present utility model;

Fig. 2 is the half-section structure schematic diagram of the present utility model;

Figure 3 is a schematic diagram of the structure of the auger pipe, arc scraper, auger, mud feeding pipe and other structures;

Fig. 4 is the exploded structure schematic diagram of drying box, air extractor, air supply pipe, igniter and exhaust pipe;

Fig. 5 is the structural representation of stirring mechanism;

Labels in the drawings: 1, biogas tank; 2, auger pipe; 3, arc scraper; 4, auger; 5, mud feeding pipe; 6, drying box; 7, air extractor; 8, air supply pipe ;9, igniter; 10, exhaust pipe; 11, water permeable hole; 12, sealing joint; 13, double motor; 14, pulley; 15, belt; 16, three-way valve; 17, air supply pipe; 18, stirring Motor; 19, stirring rod; 20, stirring blade.

Detailed ways

In order to facilitate the understanding of the present utility model, the present utility model will be more fully described below with reference to the related drawings. The present invention may be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Example 1

An integrated biogas and fertilizer preparation machine based on straw fermentation, comprising a biogas tank 1, an auger pipe 2, an arc scraper 3, a auger 4, a mud feeding pipe 5, a drying box 6, an air extractor 7, and an air supply pipe 8. The igniter 9 and the exhaust pipe 10, a fermentation chamber is provided inside the biogas tank 1, a top cover is provided on the upper end face of the biogas tank 1, and the lower end of the auger pipe 2 is concentric with the bottom of the fermentation chamber of the biogas tank 1 Rotationally connected, the upper part of the auger pipe 2 is rotatably connected with the top cover of the biogas tank 1, and the upper port of the auger pipe 2 is located above the top cover of the biogas tank 1, and the bottom outer wall of the auger pipe 2 is provided with a plurality of mud inlets A plurality of arc-shaped scrapers 3 are evenly installed on the outer wall of the lower end of the auger pipe 2, the lower end surfaces of the plurality of arc-shaped scrapers 3 are in contact with the bottom of the biogas tank 1, and the auger 4 is installed on the auger through the concentric rotation of the rotating shaft. Inside the pipe 2, the input end of the mud feeding pipe 5 is rotatably connected with the upper port of the auger pipe 2, the upper end of the rotating shaft of the auger 4 protrudes above the mud feeding pipe 5, and the driving mechanism is installed on the top cover of the biogas tank 1, The driving mechanism is connected with the rotating shaft of the auger 4 and the auger pipe 2 in a transmission connection, and the output end of the mud feeding pipe 5 is communicated with the input end of the drying box 6. The upper part of the drying box 6 is provided with a drying chamber, and the drying box 6 The upper end face of the drying box 6 is provided with an air outlet, the lower part of the drying box 6 is provided with a combustion chamber, the air outlet is communicated with the drying chamber, a stirring mechanism is installed in the drying chamber of the drying box 6, and the air extractor 7 is installed in the biogas On the top cover of the pool 1, the air intake pipe of the air extractor 7 extends into the fermentation chamber of the biogas tank 1, the air outlet of the air extractor 7 is provided with an air supply pipe 8, and the igniter 9 is installed on the output end of the air supply pipe 8 , the igniter 9 is located in the combustion chamber of the drying box 6, the exhaust pipe 10 is installed on the outer wall of the drying box 6, and the input end of the exhaust pipe 10 extends into the combustion chamber of the drying box 6; The biogas in the fermentation chamber of the biogas tank 1 is extracted and sent to the igniter 9 through the gas supply pipe 8. The igniter 9 ignites the biogas in the combustion chamber of the drying box 6, and the drying chamber of the drying box 6 is ignited. Preheating, the burning exhaust gas is discharged through the exhaust pipe 10, the driving mechanism drives the auger pipe 2 to rotate, and the auger pipe 2 drives a plurality of arc-shaped scrapers 3 to rotate, and the plurality of arc-shaped scrapers 3 will be scattered at the bottom of the biogas tank. The biogas sludge gathers towards the bottom center of the biogas tank 1, so that the biogas mud enters the inside of the auger pipe 2 through the mud inlet at the lower end of the auger pipe 2, and at the same time, the driving mechanism drives the auger 4 to rotate, and the rotating auger 4 will gather in the auger pipe. The swamp mud at the lower end of the auger pipe 2 is transported upward along the interior of the auger pipe 2. The swamp mud enters the mud feeding pipe 5 through the upper port of the auger pipe 2, and enters the drying cavity of the drying box 6 through the mud feeding pipe 5. In the drying chamber, the stirring mechanism in the drying chamber of the drying box 6 agitates the sludge to speed up the drying of the sludge, the evaporated water is discharged through the air outlet of the drying box 6, and the dried sludge passes through the drying box 6. It can gather the loose and scattered swamp mud, which is convenient for salvaging the swamp mud and improves the efficiency of fertilizer preparation.

Example 2

An integrated biogas and fertilizer preparation machine based on straw fermentation, comprising a biogas tank 1, an auger pipe 2, an arc scraper 3, a auger 4, a mud feeding pipe 5, a drying box 6, an air extractor 7, and an air supply pipe 8. The igniter 9 and the exhaust pipe 10, a fermentation chamber is provided inside the biogas tank 1, a top cover is provided on the upper end face of the biogas tank 1, and the lower end of the auger pipe 2 is concentric with the bottom of the fermentation chamber of the biogas tank 1 Rotationally connected, the upper part of the auger pipe 2 is rotatably connected with the top cover of the biogas tank 1, and the upper port of the auger pipe 2 is located above the top cover of the biogas tank 1, and the bottom outer wall of the auger pipe 2 is provided with a plurality of mud inlets A plurality of arc-shaped scrapers 3 are evenly installed on the outer wall of the lower end of the auger pipe 2, the lower end surfaces of the plurality of arc-shaped scrapers 3 are in contact with the bottom of the biogas tank 1, and the auger 4 is installed on the auger through the concentric rotation of the rotating shaft. Inside the pipe 2, the input end of the mud feeding pipe 5 is rotatably connected with the upper port of the auger pipe 2, the upper end of the rotating shaft of the auger 4 protrudes above the mud feeding pipe 5, and the driving mechanism is installed on the top cover of the biogas tank 1, The driving mechanism is connected with the rotating shaft of the auger 4 and the auger pipe 2 in a transmission connection, and the output end of the mud feeding pipe 5 is communicated with the input end of the drying box 6. The upper part of the drying box 6 is provided with a drying chamber, and the drying box 6 The upper end face of the drying box 6 is provided with an air outlet, the lower part of the drying box 6 is provided with a combustion chamber, the air outlet is communicated with the drying chamber, a stirring mechanism is installed in the drying chamber of the drying box 6, and the air extractor 7 is installed in the biogas On the top cover of the pool 1, the air intake pipe of the air extractor 7 extends into the fermentation chamber of the biogas tank 1, the air outlet of the air extractor 7 is provided with an air supply pipe 8, and the igniter 9 is installed on the output end of the air supply pipe 8 , the igniter 9 is located in the combustion chamber of the drying box 6, the exhaust pipe 10 is installed on the outer wall of the drying box 6, and the input end of the exhaust pipe 10 extends into the combustion chamber of the drying box 6; it also includes a plurality of The water permeable hole 11, the upper part of the auger pipe 2 is provided with an extrusion section with a gradually shrinking inner diameter, and a plurality of permeable holes 11 are evenly arranged on the outer wall of the extrusion section; the stirring mechanism also includes a stirring motor 18, two stirring rods 19 and A plurality of stirring blades 20, the stirring motor 18 is installed on the outer wall of the drying box 6, the reduction box of the stirring motor 18 is provided with two output shafts, and the two output shafts are concentrically connected with one end of the two stirring rods 19, and the two The stirring rods 19 are respectively rotatably installed in the drying chamber of the drying box 6, and a plurality of stirring blades 20 are respectively installed on the two stirring rods 19, and the plurality of stirring blades 20 are arranged in a staggered manner. In the drying chamber of 6; because the inner diameter of the extrusion section of the auger pipe 2 gradually shrinks and becomes smaller, but the conveying speed of the sludge remains unchanged, the pressure of the sludge increases, so that the sludge is squeezed, and the sludge in the sludge is compressed. The contained water is squeezed out, and the squeezed water flows back into the fermentation chamber of the biogas digester 1 through the plurality of permeable holes 11 to reduce the water content of the biogas mud. The stirring motor 18 drives the two stirring rods 19 to rotate, and the two The stirring rod 19 drives a plurality of stirring blades 20 to rotate, and the plurality of stirring blades 20 stir and turn the biogas mud in the drying chamber of the drying box 6, so that the biogas mud is fully dispersed and heated, and the work efficiency is improved.

Example 3

An integrated biogas and fertilizer preparation machine based on straw fermentation, comprising a biogas tank 1, an auger pipe 2, an arc scraper 3, a auger 4, a mud feeding pipe 5, a drying box 6, an air extractor 7, and an air supply pipe 8. The igniter 9 and the exhaust pipe 10, a fermentation chamber is provided inside the biogas tank 1, a top cover is provided on the upper end face of the biogas tank 1, and the lower end of the auger pipe 2 is concentric with the bottom of the fermentation chamber of the biogas tank 1 Rotationally connected, the upper part of the auger pipe 2 is rotatably connected with the top cover of the biogas tank 1, and the upper port of the auger pipe 2 is located above the top cover of the biogas tank 1, and the bottom outer wall of the auger pipe 2 is provided with a plurality of mud inlets A plurality of arc-shaped scrapers 3 are evenly installed on the outer wall of the lower end of the auger pipe 2, the lower end surfaces of the plurality of arc-shaped scrapers 3 are in contact with the bottom of the biogas tank 1, and the auger 4 is installed on the auger through the concentric rotation of the rotating shaft. Inside the pipe 2, the input end of the mud feeding pipe 5 is rotatably connected with the upper port of the auger pipe 2, the upper end of the rotating shaft of the auger 4 protrudes above the mud feeding pipe 5, and the driving mechanism is installed on the top cover of the biogas tank 1, The driving mechanism is connected with the rotating shaft of the auger 4 and the auger pipe 2 in a transmission connection, and the output end of the mud feeding pipe 5 is communicated with the input end of the drying box 6. The upper part of the drying box 6 is provided with a drying chamber, and the drying box 6 The upper end face of the drying box 6 is provided with an air outlet, the lower part of the drying box 6 is provided with a combustion chamber, the air outlet is communicated with the drying chamber, a stirring mechanism is installed in the drying chamber of the drying box 6, and the air extractor 7 is installed in the biogas On the top cover of the pool 1, the air intake pipe of the air extractor 7 extends into the fermentation chamber of the biogas tank 1, the air outlet of the air extractor 7 is provided with an air supply pipe 8, and the igniter 9 is installed on the output end of the air supply pipe 8 , the igniter 9 is located in the combustion chamber of the drying box 6, the exhaust pipe 10 is installed on the outer wall of the drying box 6, and the input end of the exhaust pipe 10 extends into the combustion chamber of the drying box 6; also includes a sealing joint 12. The sealing joint 12 is concentrically sleeved on the outer wall of the upper port of the auger pipe 2, and the upper end of the sealing joint 12 is rotatably connected with the lower end of the mud feeding pipe 5. Sealing ring, the input end of the mud feeding pipe 5 is rotatably connected to the upper port of the auger pipe 2 through the sealing joint 12; the driving mechanism also includes a double-headed motor 13, a plurality of pulleys 14 and two belts 15, and the double-headed motor 13 passes through the bracket. Installed on the top cover of the biogas digester 1, the upper and lower ends of the double-head motor 13 are respectively provided with gearboxes. A pulley 14 is installed concentrically on the output shaft, the upper end of the rotating shaft of the auger 4 and the outer wall of the sealing joint 12 are concentrically installed with a pulley 14, and a belt 15 is fitted over the pulley 14 and the double-headed motor 13 on the rotating shaft of the auger 4. On the pulley 14 on the upper output shaft, another belt 15 is sleeved on the pulley 14 on the sealing joint 12 and the pulley 14 on the lower output shaft of the double-head motor 13; it also includes a three-way valve 16 and an air supply pipe 17. The air outlet of the machine 7 is connected to the main channel of the three-way valve 16 through the air pipe, the input end of the air supply pipe 8 is connected to a secondary channel of the three-way valve 16, and the input end of the air supply pipe 17 is connected to another channel of the three-way valve 16. ;Input of mud feeding pipe 5 The end is rotatably connected with the upper port of the auger pipe 2 through the sealing joint 12, so that the auger pipe 2 is rotated while maintaining the sealing, avoiding the leakage of biogas and biogas, and the two output shafts of the double-head motor 13 drive the two pulleys 14 The reverse unequal speed rotation makes the two belts 15 rotate in the reverse unequal speed, thereby driving the auger 4 and the auger pipe 2 to rotate in the reverse unequal speed, and the rotation speed of the auger 4 is higher than the rotation speed of the auger pipe 2 , so that after the multiple arc scrapers 3 gather the biogas, the auger 4 efficiently transports the biogas, and the output end of the air extractor 7 is connected to the biogas conveying system. It is transported to the igniter 9, and at the same time, the biogas can be transported to the biogas conveying system through the gas supply pipe 17, so as to improve the practicability of the equipment.

As shown in Figures 1 to 5, an integrated biogas and fertilizer preparation machine based on straw fermentation of the present invention, when it is working, firstly, the aerator 7 extracts the biogas in the fermentation chamber of the biogas tank 1 and passes the supply The gas pipe 8 is transported to the igniter 9, and the igniter 9 ignites the biogas in the combustion chamber of the drying box 6, preheats the drying chamber of the drying box 6, and the burned exhaust gas is discharged through the exhaust pipe 10, and then double The head motor 13 drives the auger pipe 2 to rotate through the pulley 14 and the belt 15 of the upper output shaft, and the auger pipe 2 drives a plurality of arc-shaped scrapers 3 to rotate, and the plurality of arc-shaped scrapers 3 will disperse the mud at the bottom of the biogas tank. It gathers towards the bottom center of the biogas tank 1, so that the biogas enters the inside of the auger pipe 2 through the mud inlet at the lower end of the auger pipe 2. At the same time, the double-head motor 13 drives the auger 4 to rotate through the pulley 14 and the belt 15 of the lower output shaft. , and then the rotating auger 4 transports the biogas gathered at the lower end of the auger pipe 2 upward along the interior of the auger pipe 2, and the biogas enters the mud feeding pipe 5 through the upper port of the auger pipe 2, and passes through the mud feeding pipe 5. The pipe 5 enters the drying chamber of the drying box 6, the stirring motor 18 drives the two stirring rods 19 to rotate, and the two stirring rods 19 drive the plurality of stirring blades 20 to rotate, and the plurality of stirring blades 20 dry the drying box 6. The biogas mud in the dry chamber is stirred and turned, so that the biogas mud is fully dispersed and heated, and the drying of the biogas mud is accelerated. The mouth can be discharged.

The main functions realized by the utility model are as follows: it can gather the loose and dispersed swamp mud, facilitate the salvage of the swamp mud, and has high working efficiency of fertilizer preparation.

An integrated biogas and fertilizer preparation machine based on straw fermentation of the present invention, the installation method, connection method or setting method are all common mechanical methods, as long as the beneficial effects can be achieved; Biogas digester 1, auger 4, igniter 9, air extractor 7, three-way valve 16, double-head motor 13, pulley 14, belt 15, exhaust pipe 10, stirring The motor 18 is purchased on the market, and the technical personnel in the industry only need to install and operate the motor 18 according to the accompanying instruction manual without creative work by the technical personnel in the art.

All technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field to which the present invention belongs. The terms used in the description of the present invention herein are only for the purpose of describing specific embodiments, and are not intended to limit the present invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The above are only the preferred embodiments of the present invention. It should be pointed out that for those skilled in the art, without departing from the technical principles of the present invention, several improvements and modifications can be made. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims (6)

1. An integrated biogas and fertilizer preparation machine based on straw fermentation, characterized in that it comprises a biogas tank (1), an auger pipe (2), an arc scraper (3), an auger (4), a mud feeding pipe (5), drying box (6), air extractor (7), air supply pipe (8), igniter (9) and exhaust pipe (10), a fermentation chamber is arranged inside the biogas tank (1), The upper end face of the biogas tank (1) is provided with a top cover, the lower end of the auger pipe (2) is concentrically connected to the bottom of the fermentation chamber of the biogas tank (1), and the upper part of the auger pipe (2) is connected to the biogas tank (1). ) is connected in rotation, and the upper port of the auger pipe (2) is located above the top cover of the biogas digester (1). The scraper (3) is evenly installed on the outer wall of the lower end of the auger pipe (2), the lower end surfaces of the plurality of arc scrapers (3) are in contact with the bottom of the biogas tank (1), and the auger (4) rotates concentrically through the rotating shaft Installed inside the auger pipe (2), the input end of the mud feeding pipe (5) is rotatably connected with the upper port of the auger pipe (2), and the upper end of the rotating shaft of the auger (4) extends out of the mud feeding pipe (5). Above, the driving mechanism is installed on the top cover of the biogas digester (1). The driving mechanism is connected to the rotating shaft of the auger (4) and the auger pipe (2). The output end of the mud feeding pipe (5) is connected to the drying box ( The input end of 6) is connected, the upper part of the drying box (6) is provided with a drying chamber, the upper end surface of the drying box (6) is provided with an air outlet, and the lower part of the drying box (6) is provided with a combustion chamber, and the outlet is provided with a combustion chamber. The air port is communicated with the drying chamber, a stirring mechanism is installed in the drying chamber of the drying box (6), and the air extractor (7) is installed on the top cover of the biogas tank (1). The air intake pipe extends into the fermentation chamber of the biogas tank (1), the air outlet of the air extractor (7) is provided with an air supply pipe (8), and the igniter (9) is installed on the output end of the air supply pipe (8) to ignite The device (9) is located in the combustion chamber of the drying box (6), the exhaust pipe (10) is installed on the outer wall of the drying box (6), and the input end of the exhaust pipe (10) extends into the drying box (6). ) in the combustion chamber. 2 . The integrated biogas and fertilizer preparation machine based on straw fermentation according to claim 1 , further comprising a plurality of permeable holes ( 11 ), and the upper part of the auger pipe ( 2 ) is provided with a gradually shrinking inner diameter. 3 . In the extrusion section, a plurality of water permeable holes (11) are uniformly arranged on the outer wall of the extrusion section. 3. The integrated biogas and fertilizer preparation machine based on straw fermentation according to claim 2, characterized in that it further comprises a sealing joint (12), and the sealing joint (12) is concentrically sleeved on the auger pipe (2). On the outer wall of the port, the upper end of the sealing joint (12) is rotatably connected with the lower end of the mud feeding pipe (5). A sealing ring is arranged between the inner wall of the sealing joint (12) and the outer wall of the lower end of the mud feeding pipe (5). The input end of (5) is rotatably connected with the upper port of the auger tube (2) through the sealing joint (12). 4. The integrated biogas and fertilizer preparation machine based on straw fermentation according to claim 3, characterized in that the driving mechanism further comprises a double-headed motor (13), a plurality of pulleys (14) and two belts (15) , The double-headed motor (13) is installed on the top cover of the biogas digester (1) through a bracket, the upper and lower ends of the double-headed motor (13) are respectively provided with gearboxes, and the output shaft of the upper gearbox has a higher speed than the lower one. The output shaft, and the two output shafts turn in opposite directions, the two output shafts are concentrically installed with a pulley (14), and the upper end of the rotating shaft of the auger (4) and the outer wall of the sealing joint (12) are concentrically installed with a pulley (14). ), a belt (15) is fitted over the pulley (14) on the rotating shaft of the auger (4) and the pulley (14) on the upper output shaft of the double-head motor (13), and the other belt (15) is fitted over the seal On the pulley (14) on the joint (12) and on the pulley (14) on the lower output shaft of the double-ended motor (13). 5. The integrated biogas and fertilizer preparation machine based on straw fermentation according to claim 1, characterized in that it further comprises a three-way valve (16), an air supply pipe (17), and an air outlet of the air extractor (7). The air pipe is connected to the main channel of the three-way valve (16), the input end of the air supply pipe (8) is connected to a secondary channel of the three-way valve (16), and the input end of the air supply pipe (17) is connected to the three-way valve (16) another channel connection. 6. The integrated biogas and fertilizer preparation machine based on straw fermentation according to claim 1, wherein the stirring mechanism further comprises a stirring motor (18), two stirring rods (19) and a plurality of stirring blades (20). ), the stirring motor (18) is installed on the outer wall of the drying box (6), the reduction box of the stirring motor (18) is provided with two output shafts, and the two output shafts are respectively concentric with one end of the two stirring rods (19). connected, the two stirring rods (19) are respectively rotated and installed in the drying chamber of the drying box (6). 20) Arranged in a staggered manner, a plurality of stirring blades (20) are located in the drying chamber of the drying box (6).

Images