CN210444940U

CN210444940U - Straw reducing mechanism for methane-generating pit

Info

Publication number: CN210444940U
Application number: CN201921264303.9U
Authority: CN
Inventors: 许燕燕
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-06
Filing date: 2019-08-06
Publication date: 2020-05-05
Anticipated expiration: 2029-08-06

Abstract

The utility model discloses a straw reducing mechanism for methane-generating pit, the power distribution box comprises a box body, the welding has the feeder hopper on the top outer wall of box, there are two motor casees through the bolt fastening on one side outer wall of box, and has first motor through the bolt fastening on one side inner wall of motor case, the one end key-type connection of first motor output shaft has first transmission shaft, and the one end of two first transmission shafts is located the inside of box, two all cup jointed crushing roller on the circumference outer wall of first transmission shaft, and leaves the clearance between two crushing rollers, the welding has the groove of gathering materials on one side inner wall of box, and the both sides of gathering materials groove bottom outer wall all peg graft and have the unloading pipe. The utility model discloses straw after smashing falls into to the empty form cylinder platform of fixed block in, then starts the second motor, and the second motor drives the stirring board and mixes the straw after smashing, makes its misce bene, and the empty form cylinder platform of stirring board laminating makes things convenient for the mixture of whole straw.

Description

Straw reducing mechanism for methane-generating pit

Technical Field

The utility model relates to a reducing mechanism technical field especially relates to a straw reducing mechanism for methane-generating pit.

Background

The straw is a general term of the stem and leaf parts of mature crops. The straw is usually directly burned in rural areas, but the result is that the atmospheric environment is polluted, the straw can be used for producing biogas, and a straw crushing device is needed for producing the biogas conveniently.

At present, most of the existing straw smashing devices for the methane tank in the market have the following defects in the using process: the straw materials are too large and are not uniformly mixed, so that the quick generation of the biogas is not facilitated, and in conclusion, most of the existing straw crushing devices for the biogas digester can not well meet the actual requirements.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a straw smashing device for a methane tank.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a straw smashing device for a biogas digester comprises a tank body, wherein a feeding hopper is welded on the outer wall of the top of the tank body, two motor boxes are fixed on the outer wall of one side of the tank body through bolts, a first motor is fixed on the inner wall of one side of each motor box through bolts, one end of an output shaft of the first motor is connected with a first transmission shaft in a key mode, one ends of the two first transmission shafts are located in the tank body, crushing rollers are sleeved on the outer wall of the circumference of each first transmission shaft, a gap is reserved between the two crushing rollers, a material collecting groove is welded on the inner wall of one side of the tank body, discharging pipes are inserted into the two sides of the outer wall of the bottom of the material collecting groove, a fixing block is welded on the inner wall of one side of the tank body, a circular truncated cone with a trapezoidal cross section is formed on the outer wall of the top of the fixing block, a cylindrical table is formed below the fixing, the outer wall of the bottom of the material collecting groove is provided with a stirring mechanism

Further, the stirring mechanism comprises a second motor, the second motor is fixed to the outer wall of the bottom of the collecting groove through bolts, and the inner wall of the bottom of the collecting groove is welded with a triangular block.

Furthermore, a key of an output shaft of the second motor is connected with a second transmission shaft, the second transmission shaft is located inside the cylindrical table, a plurality of stirring plates are welded on the outer wall of the circumference of the second transmission shaft, and the stirring plates are located inside the cylindrical table.

Furthermore, all be fixed with the solenoid valve through the bolt on the circumference outer wall of discharging pipe.

Furthermore, the connecting pipes are inserted into the outer walls of the two sides of the box body, and the position, close to the bottom, of the outer wall of one side of the box body is inserted with the discharging pipe.

Furthermore, a bearing seat is welded on the inner wall of one side of the box body, and one end of the first transmission shaft is inserted into the circumferential inner wall of the bearing seat.

Further, the box body further comprises moving wheels, and the four moving wheels are fixed on the outer wall of the bottom of the box body through bolts.

The utility model has the advantages that:

1. through the first motor and the crushing roller that set up, two crushing rollers carry out quick crushing to the straw, make things convenient for follow-up straw to generate marsh gas for going on of marsh gas generation work, improved the practicality of device.

2. Through the groove that gathers materials that sets up, fixed block, stirring board and discharging pipe, the straw after smashing falls into to the empty shape cylinder platform of fixed block in, then starts the second motor, and the second motor drives the stirring board and mixes the straw after smashing, makes its misce bene, and the empty shape cylinder platform of stirring board laminating makes things convenient for the mixture of whole straw.

3. Through the connecting pipe that sets up, conveniently carry out the evacuation, then drop into decomposition fungus and methane fungus, make things convenient for the formation of marsh gas, the device convenient to use satisfies people's demand.

Drawings

FIG. 1 is a schematic cross-sectional view of a straw shredder in accordance with an embodiment 1 of the present invention;

fig. 2 is an enlarged schematic view of a portion a of fig. 1 according to the present invention;

FIG. 3 is a schematic view of a simple three-dimensional structure of an embodiment 1 of a straw shredder for a biogas digester according to the present invention;

FIG. 4 is a schematic view of the straw shredder in accordance with the embodiment 2 of the present invention.

In the figure: the device comprises a box body 1, a fixing block 2, a blanking pipe 3, a first motor 4, a first transmission shaft 5, a feed hopper 6, a crushing roller 7, a material collecting groove 8, a second motor 9, a second transmission shaft 10, a connecting pipe 11, a material discharging pipe 12, a stirring plate 13, an electromagnetic valve 14, a material discharging pipe 15 and a fixing wheel 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

Example 1

Referring to fig. 1-3, a straw smashing device for a biogas digester comprises a box body 1, a feed hopper 6 is welded on the outer wall of the top of the box body 1, two motor boxes are fixed on the outer wall of one side of the box body 1 through bolts, a first motor 4 is fixed on the inner wall of one side of each motor box through bolts, a first transmission shaft 5 is connected with one end of an output shaft of the first motor 4 in a key mode, one ends of the two first transmission shafts 5 are located in the box body 1, smashing rollers 7 are sleeved on the outer walls of the circumferences of the two first transmission shafts 5, a gap is reserved between the two smashing rollers 7, a material collecting groove 8 is welded on the inner wall of one side of the box body 1, discharging pipes 3 are inserted on the two sides of the outer wall of the bottom of the material collecting groove 8, straws are slowly thrown into the feed hopper 6, then the first motor 4 is started, the first motor 4 drives the first, two crushing rollers 7 smash the straw, the straw after smashing falls into to the silo 8 that gathers materials, then in the smooth two unloading pipe 3 that have welded fixed block 2 on one side inner wall of box 1, and it has the cross-section to be trapezoidal round platform to open on the top outer wall of fixed block 2, and the below that fixed block 2 is close to the round platform is opened there is the cylinder platform, the position grafting that fixed block 2 is close to the cylinder platform has a plurality of discharging pipes 15, be equipped with rabbling mechanism on the bottom outer wall of silo 8 that gathers materials.

The utility model discloses in, rabbling mechanism includes second motor 9, and second motor 9 passes through the bolt fastening on the bottom outer wall of groove 8 that gathers materials, the welding has three hornblocks on the bottom inner wall of groove 8 that gathers materials, an end key of second motor 9 output shaft is connected with second transmission shaft 10, and second transmission shaft 10 is located the inside of cylinder platform, the welding has a plurality of stirring boards 13 on the circumference outer wall of second transmission shaft 10, stirring board 13 is located the inside of cylinder platform, all there is solenoid valve 14 through the bolt fastening on the circumference outer wall of discharging pipe 15, the straw falls down to the cylinder platform of fixed block 2 division because of gravity, then start second motor 9, second motor 9 drives the rotation of second transmission shaft 10, and then drive stirring board 13 and mix the cylinder platform is inside, make the more even that the straw mixes.

All pegging graft on the both sides outer wall of box 1 has connecting pipe 11, and the position grafting that one side outer wall of box 1 is close to the bottom has row material pipe 12, the welding has the bearing frame on one side inner wall of box 1, and the one end of first transmission shaft 5 is pegged graft on the circumference inner wall of bearing frame, then start solenoid valve 14, open discharging pipe 15 and carry out the unloading, then fix evacuation equipment and connecting pipe 11, after with inside evacuation, drop into decomposition fungus and methane fungus again to inside, the decomposition fungus decomposes into simple organic matter and carbon dioxide with complicated organic matter, methane fungus is with simple organic matter and carbon dioxide oxidation or reduction methane, thereby production marsh gas.

The working principle is as follows: when the device is used, the device is externally connected with a power supply, then straws are slowly put into the device through a feed hopper 6, then a first motor 4 is started, the first motor 4 drives a first transmission shaft 5 to rotate so as to drive two crushing rollers 7 to rotate, the two crushing rollers 7 crush the straws, the crushed straws fall into a material collecting groove 8, then the straws slide into two discharging pipes 3 and fall into a cylindrical table opened by a fixed block 2 due to gravity, then a second motor 9 is started, the second motor 9 drives a second transmission shaft 10 to rotate so as to drive a stirring plate 13 to stir the inside of the cylindrical table, so that the straws are mixed more uniformly, then an electromagnetic valve 14 is started, a discharging pipe 15 is opened for discharging, then a vacuumizing device is fixed with a connecting pipe 11, after the inside is vacuumized, decomposition bacteria and methane bacteria are put into the inside, and the decomposition bacteria decompose complex organic matters into simple organic matters and carbon dioxide, methane bacteria oxidize or reduce simple organic matter and carbon dioxide to methane, thereby producing biogas.

Example 2

Referring to fig. 4, the present embodiment of the straw crushing apparatus for a biogas digester, compared to embodiment 1, further includes moving wheels 16, and the four moving wheels 16 are fixed on the outer wall of the bottom of the tank 1 through bolts.

The working principle is as follows: when the device is used, the fixed wheels 16 are arranged at the bottom of the device, so that the device is more convenient to move, the device is convenient to move to the straw position for producing methane, the straw is prevented from being carried back and forth, and the methane production work is more convenient.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A straw smashing device for a biogas digester comprises a box body (1) and is characterized in that a feeding hopper (6) is fixedly connected to the outer wall of the top of the box body (1), two motor boxes are fixedly screwed on the outer wall of one side of the box body (1), a first motor (4) is fixed to the inner wall of one side of each motor box through a bolt, one end of an output shaft of each first motor (4) is in key connection with a first transmission shaft (5), one ends of the two first transmission shafts (5) are located inside the box body (1), smashing rollers (7) are sleeved on the outer walls of the circumference of the two first transmission shafts (5), a gap is reserved between the two smashing rollers (7), a material collecting groove (8) is fixedly connected to the inner wall of one side of the box body (1), discharging pipes (3) are inserted to two sides of the outer wall of the bottom of the material collecting groove (8), a fixing block (2) is fixedly connected to the inner wall of one side of, and open on the top outer wall of fixed block (2) and have the cross-section to be trapezoidal round platform, and fixed block (2) are close to the below of round platform and open and have the cylinder platform, the position of fixed block (2) being close to the cylinder platform is pegged graft and is had a plurality of discharging pipes (15), is equipped with rabbling mechanism on the bottom outer wall of collecting chute (8).

2. The straw crushing device for the biogas digester as claimed in claim 1, wherein the stirring mechanism comprises a second motor (9), the second motor (9) is fixed on the outer wall of the bottom of the material collecting tank (8) through bolts, and the inner wall of the bottom of the material collecting tank (8) is welded with triangular blocks.

3. The straw crushing device for the biogas digester as claimed in claim 2, wherein one end of the output shaft of the second motor (9) is connected with a second transmission shaft (10) in a key manner, the second transmission shaft (10) is located inside the cylindrical table, a plurality of stirring plates (13) are welded on the circumferential outer wall of the second transmission shaft (10), and the stirring plates (13) are located inside the cylindrical table.

4. The straw crushing device for the biogas digester according to any one of claims 1 to 3, wherein the electromagnetic valves (14) are fixed on the circumferential outer walls of the discharge pipes (15) through bolts.

5. The straw crushing device for the biogas digester as claimed in claim 1, wherein the outer walls of two sides of the tank body (1) are respectively inserted with a connecting pipe (11), and the outer wall of one side of the tank body (1) is inserted with a discharging pipe (12) near the bottom.

6. The straw crushing device for the biogas digester as claimed in claim 5, wherein a bearing seat is welded on the inner wall of one side of the tank body (1), and one end of the first transmission shaft (5) is inserted on the circumferential inner wall of the bearing seat.

7. The straw crushing device for the biogas digester as claimed in claim 1, further comprising moving wheels (16), wherein the four moving wheels (16) are fixed on the outer wall of the bottom of the tank body (1) through bolts.