CN221082094U

CN221082094U - Straw system marsh gas reducing mechanism

Info

Publication number: CN221082094U
Application number: CN202323262129.3U
Authority: CN
Inventors: 曾国揆; 管必莲; 王钰; 张云明; 杨艳; 张良; 普玉萍; 杨帆; 李兰秀
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-12-01
Filing date: 2023-12-01
Publication date: 2024-06-07
Anticipated expiration: 2033-12-01

Abstract

The utility model belongs to the technical field of straw smashing devices, and discloses a smashing device for preparing biogas from straw, which comprises the following components: the device comprises a feeding member, N grinding members and a discharging member which are detachably connected, wherein N is more than or equal to 1, and the N grinding members are arranged between the feeding member and the discharging member; a conveying channel for conveying straws along a preset path is formed among the feeding component, the N grinding components and the discharging component; and the grinding member comprises a second housing having a second interior cavity defined therein. According to the utility model, the second shell with the grinding cavity and the grinding roller matched with the grinding cavity are arranged, when the straw enters the grinding cavity, the grinding roller rotates, so that the grinding roller and the grinding cavity crush the straw, the straw is crushed more thoroughly, the biogas can be produced after waiting for a long time when the straw is crushed to prepare the biogas in the later period is avoided, and the biogas output efficiency and output quantity are improved.

Description

Straw system marsh gas reducing mechanism

Technical Field

The utility model belongs to the technical field of straw smashing devices, and particularly relates to a smashing device for producing methane from straw.

Background

China is a large agricultural country, the planting area and yield of various crops are the first world, the yield of crop straws per year reaches approximately 7 hundred million tons, and the yield of the straws is increased along with the continuous increase of the unit yield of the crops. Traditional straw treatment methods comprise livestock feed, fertilizer accumulation and returning, rural living energy sources and the like, but a considerable part of the straw treatment methods are discarded, so that the great waste of resources is caused. The present straw treatment and utilization method comprises solid forming fuel, straw gasification furnace treatment, straw biogas digestion and the like, wherein the reaction process for preparing biogas by anaerobic digestion is the most gentle and stable, the energy consumption is the least, the pollution is avoided, and the ecological and economic benefits are the best. Under the support of national policy, biogas engineering using crop straw as raw material is promoted and applied all over the country, wherein 5 straw biogas demonstration projects are successively built in Yunnan province since 2013, but in the actual running process, the problems of difficult control of parameters in anaerobic digestion process, easy crusting of straw, difficult discharging, low overall anaerobic digestion efficiency and the like are found to be generally caused by the fact that the straw crushing pretreatment condition is not ideal. Aiming at the problems, related personnel develop related researches on the pretreatment of crushing the straw raw materials and the design optimization of the reactor, and achieve certain effects. In the chinese patent with publication number of CN 213172341U, a crushing and stirring device for producing biogas is disclosed, the device is used for primarily crushing straw materials through the primary processing of a crusher, a primary crushing device, namely a crushing cutter set is added for secondarily crushing the materials, the secondarily crushed straw materials are finer, the generation of biogas is more facilitated, the crushing cutter set is arranged on a rotating column, and the stirring device shares a motor, so that the cost is reduced, when the device crushes the straw, the straw is crushed through the rotation of blades, the straw is still not thoroughly crushed in the crushing mode, and biogas can be produced after waiting for a long time when the straw is crushed in the later stage, so that the biogas production efficiency and yield of biogas are reduced.

Disclosure of utility model

The utility model aims to provide a device for preparing biogas from straw so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a biogas pulverizing device made of straw, comprising:

The device comprises a feeding member, N grinding members and a discharging member which are detachably connected, wherein N is more than or equal to 1, and the N grinding members are arranged between the feeding member and the discharging member;

A conveying channel for conveying straws along a preset path is formed among the feeding component, the N grinding components and the discharging component;

and the grinding member comprises a second shell, a second inner cavity is formed in the second shell, a grinding roller is rotatably connected in the second inner cavity, and a grinding cavity matched with the grinding roller is formed in the second inner cavity.

Preferably, a second connecting groove is formed in the top of the second shell in an inward sinking mode, and the second inner cavity is positioned in the second connecting groove;

The bottom of the second shell is fixedly connected with a first connecting frame matched with the second connecting groove;

The grinding roller is characterized in that a connecting rod is fixedly connected to the axis of the grinding roller, a second inserted link is fixedly connected to the bottom of the connecting rod, and an inserting hole matched with the second inserted link is formed in the bottom of the connecting rod.

Preferably, the feeding member comprises a first housing;

The top fixedly connected with inlet pipe of first casing, the inside of first casing forms first inner chamber, and first casing bottom fixedly connected with and the second link of second spread groove matching.

Preferably, a rotating shaft is rotatably connected in the first inner cavity;

Blades are fixedly connected to the peripheral surface of the rotating shaft.

Preferably, one end of the rotating shaft extending to the inside of the protective cover is fixedly connected with a driven gear;

The protection cover is fixedly connected to the top of the first shell, the motor is fixedly connected to the inside of the protection cover, the driving gear is connected to the output end of the motor, and the driving gear is meshed with the driven gear.

Preferably, the bottom of the rotating shaft is fixedly connected with a first auger, and the bottom of the first auger is fixedly connected with a first inserted link matched with the connecting rod.

Preferably, the outfeed member comprises a third housing;

The top of third casing is sunken to form the first spread groove that matches with first link, and one side fixedly connected with row material pipe of third casing, the third inner chamber has been seted up to the inside of third casing, row material pipe's one end extends to the inside of third inner chamber.

Preferably, a guiding slope is formed at the bottom end of the third inner cavity, and the horizontal height of the guiding slope facing one side of the discharging pipe is lower than that of the other side of the discharging pipe.

Preferably, the second auger is rotatably connected to the inside of the third inner cavity;

The top fixedly connected with base pole of second auger, the top of base pole forms the connecting hole with second inserted bar matching.

Preferably, a pull groove is formed in the peripheral surface of the second shell.

Compared with the prior art, the utility model has the beneficial effects that:

(1) According to the utility model, the second shell with the grinding cavity and the grinding roller matched with the grinding cavity are arranged, when the straw enters the grinding cavity, the grinding roller rotates, so that the grinding roller and the grinding cavity crush the straw, the straw is crushed more thoroughly, the biogas can be produced after waiting for a long time when the straw is crushed to prepare the biogas in the later period is avoided, and the biogas output efficiency and output quantity are improved.

(2) On the basis of the beneficial effects, the first connecting frame and the second connecting groove matched with the first connecting frame are arranged, and the first connecting frame is connected with the second connecting frame in a screwed mode through the second connecting groove, so that a person needs a plurality of second shells to be connected, the person needs a plurality of grinding rollers to be connected, the number of straw grinding stages of the device can be adjusted, straw grinding can be efficiently performed, and straw grinding efficiency is further improved.

Drawings

FIG. 1 is a front view of the present utility model;

FIG. 2 is a front view of the present utility model;

FIG. 3 is an internal block diagram of the present utility model;

FIG. 4 is a diagram of the internal structure of FIG. 3 after the number adjustment;

FIG. 5 is an internal structural view of the abrasive member of the present utility model;

In the figure: 1. a feed pipe; 2. a protective cover; 3. a first housing; 4. a second housing; 5. a third housing; 6. a third lumen; 7. a second auger; 8. a base rod; 9. a first connection groove; 10. a second lumen; 11. a grinding chamber; 12. a second connecting frame; 13. a first lumen; 14. a rotating shaft; 15. a driven gear; 16. a motor; 17. a drive gear; 18. a blade; 19. a first auger; 20. a first plunger; 21. a connecting rod; 22. a second connecting groove; 23. a first connection frame; 24. a second plunger; 25. a discharge pipe; 26. a grinding roller; 27. and (5) pulling grooves.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides the following technical solutions:

In order to crush the straws, the crushing device comprises a grinding member, wherein the grinding member comprises a second shell 4, a second inner cavity 10 is formed in the second shell 4, a grinding roller 26 is rotatably connected in the second inner cavity 10, and a grinding cavity 11 matched with the grinding roller 26 is formed in the second inner cavity 10;

Also, in the present utility model, in order to convey the straw to the inside of the second casing 4 for grinding, the pulverizing apparatus further includes a feeding member;

In addition, when the grinding roller 26 grinds the straw, in order to facilitate the transportation of the straw to the outside of the device, the crushing device further includes a discharging member installed between the feeding member and the discharging member;

When the straw is ground through the grinding members, N grinding members are detachably connected in order to adjust the grinding degree of the straw according to actual demands, and N is more than or equal to 1, and a conveying channel for conveying the straw along a preset path is formed among the feeding member, the N grinding members and the discharging member.

Through the technical scheme, when the straw needs to be ground, people need the grinding members of number to be connected, after the number of the grinding members is adjusted, one end of the grinding members is connected with the feeding member, the other end of the grinding members is connected with the discharging member, after all the structures are connected, the straw which needs to be crushed is added into the feeding member, the straw is guided by the feeding member, the straw is conveyed to the inside of the second shell 4, the straw is rotated through the grinding roller 26, the straw is matched with the grinding cavity 11, so that the straw is crushed, the straw is conveyed to the inside of the discharging member after being crushed, the straw is crushed through the discharging member, and the crushed straw is conveyed to the inside of the fermentation equipment, and the biogas can be crushed through the straw.

In addition, in the present utility model, as to how the second housing 4 is connected, as shown in fig. 3 to 5, the top of the second housing 4 is formed with the second connection groove 22 in a recessed manner, and the second inner chamber 10 is located inside the second connection groove 22;

the bottom of the second shell 4 is fixedly connected with a first connecting frame 23 matched with the second connecting groove 22;

the axle center department fixedly connected with connecting rod 21 of grinding roller 26, the bottom fixedly connected with second inserted bar 24 of connecting rod 21, and connecting rod 21 bottom form the jack that matches with second inserted bar 24.

In this embodiment, before the straw is crushed and ground by the grinding roller 26, the second shell 4 is screwed and connected with the second connecting groove 22 on the other second shell 4 through the first connecting frame 23, so that the two second shells 4 are screwed and connected, according to the steps, the required number of the second shells 4 are connected, the number of the grinding rollers 26 is adjusted, when the straw passes through the second shell 4, the straw is ground step by the grinding roller 26 inside the second shell 4, the crushing degree of the straw is improved, and the straw is made into methane more efficiently.

Specifically, in one embodiment, how the feeding member guides the straw into the second housing 4 is as shown in fig. 1 to 4:

The feeding member comprises a first housing 3;

The top fixedly connected with inlet pipe 1 of first casing 3, the inside of first casing 3 forms first inner chamber 13, and first casing 3 bottom fixedly connected with and second spread link 12 of second spread link 22 matching.

In this embodiment, the first housing 3 is screwed to the second connecting groove 22 through the second connecting frame 12, so that the first housing 3 is fixed above the second housing 4, when the straw needs to be ground by the grinding roller 26, the straw to be ground is added into the feed pipe 1, the straw is guided by the feed pipe 1, the straw is conveyed to the first inner cavity 13 inside the first housing 3, the straw is guided by the first inner cavity 13, the straw is conveyed to the second inner cavity 10 inside the second housing 4, and the straw can be ground by the grinding roller 26 and the grinding cavity 11 by rotating the grinding roller 26.

Preferably, after the straw is input into the first inner cavity 13, in order to improve the straw crushing efficiency, as shown in fig. 3 and 4, a rotating shaft 14 is rotatably connected to the inside of the first inner cavity 13;

blades 18 are fixedly connected to the peripheral surface of the rotating shaft 14.

In this embodiment, the rotating shaft 14 rotates, so that the rotating shaft 14 drives the blades 18 to rotate, and the blades 18 pre-pulverize the straw in the first inner cavity 13, thereby improving the straw pulverizing efficiency.

When the rotating shaft 14 needs to be driven to rotate, as shown in fig. 1-4, one end of the rotating shaft 14 extending into the protective cover 2 is fixedly connected with a driven gear 15;

The top of the first shell 3 is fixedly connected with a protective cover 2, the inside of the protective cover 2 is fixedly connected with a motor 16, the output end of the motor 16 is connected with a driving gear 17, and the driving gear 17 is meshed with a driven gear 15.

In this embodiment, the motor 16 is protected by the protection cover 2, the driving gear 17 is driven to rotate by the motor 16, the driving gear 17 drives the driven gear 15 to rotate, the driven gear 15 drives the rotating shaft 14 to rotate, the rotating shaft 14 drives the blades 18 to rotate, and the straw can be pre-crushed by the blades 18.

In addition, in the present utility model, when the straw is pre-crushed by the blade 18, in order to enable the pre-crushed straw to be more quickly conveyed into the second housing 4, as shown in fig. 2-3, a first auger 19 is fixedly connected to the bottom of the rotating shaft 14, and a first insert rod 20 matched with the connecting rod 21 is fixedly connected to the bottom of the first auger 19.

In this embodiment, after the first housing 3 is connected with the second housing 4, the first inserting rod 20 at the bottom of the first auger 19 is inserted into the connecting rod 21, so that the first auger 19 is connected with the connecting rod 21, and the rotating shaft 14 drives the blade 18 to rotate, so that when the blade 18 pulverizes the straw, the rotating shaft 14 synchronously drives the first auger 19 to rotate, and the first auger 19 drives the pulverized straw to move, so that the pulverized straw is conveyed into the second housing 4 more quickly, and the grinding roller 26 in the second housing 4 is convenient for pulverizing the straw more quickly.

When the grinding roller 26 grinds the straw, efficient transportation of the crushed straw is required, and therefore, in the present utility model, as shown in fig. 3 to 5, the discharging member includes the third housing 5;

The top of the third shell 5 is sunk inwards to form a first connecting groove 9 matched with the first connecting frame 23, one side of the third shell 5 is fixedly connected with a discharge pipe 25, a third inner cavity 6 is formed in the third shell 5, and one end of the discharge pipe 25 extends to the inner part of the third inner cavity 6.

In this embodiment, the third housing 5 is placed under the second housing 4, the first connecting frame 23 is inserted into the first connecting groove 9, the third housing 5 is rotated, and then the third housing 5 is connected with the second housing 4, after the device grinds the crushed straw by the grinding roller 26, the crushed straw is guided through the third inner cavity 6, and the crushed straw is discharged through the discharge pipe 25, so that the crushed straw is conveyed to the position for producing biogas, and the biogas can be produced by crushing straw.

Preferably, the inner bottom end of the third inner cavity 6 forms a guiding slope, and the level of the guiding slope towards one side of the discharging pipe 25 is lower than the level of the other side.

In addition, in the utility model, after the crushed straws are conveyed into the third inner cavity 6, in order to improve the conveying efficiency of the crushed straws, as shown in fig. 2-3, the second auger 7 is rotatably connected in the third inner cavity 6;

the top of the second auger 7 is fixedly connected with a base rod 8, and a connecting hole matched with the second inserted link 24 is formed in the top of the base rod 8.

In this embodiment, when the third housing 5 is placed below the second housing 4, the first connecting frame 23 is inserted into the first connecting slot 9, the third housing 5 is rotated, so that the third housing 5 is connected with the second housing 4, and after the third housing 5 is connected with the second housing 4, one end of the second inserting rod 24 is inserted into the connecting hole at the top of the base rod 8, so that the connecting rod 21 is connected with the second auger 7, after the device grinds and pulverizes the straw by the grinding roller 26, the connecting rod 21 synchronously drives the second auger 7 to rotate, the straw is pulverized and guided by the third inner cavity 6, when the straw is pulverized and is located inside the third inner cavity 6, the straw is driven to move inside the third inner cavity 6 by the second auger 7, so that the straw is pulverized and conveyed into the discharge pipe 25, and the straw is discharged through the discharge pipe 25, so that the straw is conveyed to the position where the straw is pulverized, namely the biogas is crushed by the straw, so that the discharge efficiency of the straw is improved.

In the present utility model, in order to enhance the connection efficiency of the second housing 4 when the second housing 4 is connected, as shown in fig. 1 to 2, a pull groove 27 is formed on the circumferential surface of the second housing 4, and the second housing 4 is taken out through the pull groove 27, so that the second housing 4 is easy to assemble and connect.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A straw biogas smashing device is characterized in that: comprising the following steps:

And the grinding member comprises a second shell (4), a second inner cavity (10) is formed in the second shell (4), a grinding roller (26) is connected in the second inner cavity (10) in a rotating mode, and a grinding cavity (11) matched with the grinding roller (26) is formed in the second inner cavity (10).

2. The straw biogas pulverizing device according to claim 1, wherein: the top of the second shell (4) is inwards sunken to form a second connecting groove (22), and the second inner cavity (10) is positioned in the second connecting groove (22);

The bottom of the second shell (4) is fixedly connected with a first connecting frame (23) matched with the second connecting groove (22);

The grinding roller (26) is characterized in that a connecting rod (21) is fixedly connected to the axis of the grinding roller (26), a second inserted rod (24) is fixedly connected to the bottom of the connecting rod (21), and an inserting hole matched with the second inserted rod (24) is formed in the bottom of the connecting rod (21).

3. The straw biogas pulverizing device according to claim 2, wherein: the feed member comprises a first housing (3);

The top fixedly connected with inlet pipe (1) of first casing (3), the inside of first casing (3) forms first inner chamber (13), and first casing (3) bottom fixedly connected with and second spread (12) of second spread groove (22) matching.

4. A biogas digester as claimed in claim 3 wherein: a rotating shaft (14) is rotatably connected in the first inner cavity (13);

Blades (18) are fixedly connected to the peripheral surface of the rotating shaft (14).

5. The straw biogas pulverizing device according to claim 4, wherein: one end of the rotating shaft (14) extending to the inside of the protective cover (2) is fixedly connected with a driven gear (15);

The novel electric motor is characterized in that the top of the first shell (3) is fixedly connected with a protective cover (2), the inside of the protective cover (2) is fixedly connected with a motor (16), the output end of the motor (16) is connected with a driving gear (17), and the driving gear (17) is meshed with a driven gear (15).

6. The straw biogas pulverizing device according to claim 4 or 5, wherein: the bottom of the rotating shaft (14) is fixedly connected with a first auger (19), and the bottom of the first auger (19) is fixedly connected with a first inserted link (20) matched with the connecting rod (21).

7. The straw biogas pulverizing device according to claim 2, wherein: the outfeed member comprises a third housing (5);

The top of third casing (5) is sunken to form first spread groove (9) with first link (23) matching, and one side fixedly connected with row material pipe (25) of third casing (5), third inner chamber (6) have been seted up to the inside of third casing (5), the one end of row material pipe (25) extends to the inside of third inner chamber (6).

8. The straw biogas pulverizing device according to claim 7, wherein: the inner bottom end of the third inner cavity (6) forms a material guiding slope, and the horizontal height of the material guiding slope towards one side of the material discharging pipe (25) is lower than that of the other side.

9. The straw biogas pulverizing device according to claim 7, wherein: a second auger (7) is rotatably connected in the third inner cavity (6);

The top of second auger (7) fixedly connected with basic pole (8), the connecting hole that forms with second inserted bar (24) matching at the top of basic pole (8).

10. The straw biogas pulverizing device according to claim 1, wherein: a pull groove (27) is formed in the peripheral surface of the second shell (4).