CN212246972U

CN212246972U - Biogas generation device for paper mill

Info

Publication number: CN212246972U
Application number: CN202020247043.0U
Authority: CN
Inventors: 张福林
Original assignee: Leting Zhangshi Paper Co Ltd
Current assignee: Leting Zhangshi Paper Co Ltd
Priority date: 2020-03-03
Filing date: 2020-03-03
Publication date: 2020-12-29
Anticipated expiration: 2030-03-03

Abstract

The utility model discloses a marsh gas generating device for a paper mill, which comprises a marsh gas tank, a cover body, a stirring mechanism and a crushing and feeding mechanism, wherein the upper end of the marsh gas tank is hermetically connected with the cover body; smash reinforced mechanism including smashing the case, the lower extreme through connection of smashing the case has the connecting pipe, the lower extreme through connection of connecting pipe the lid, the upper end through connection of smashing the case has the loading hopper, it is equipped with two vertical crushing axles on the incasement upper portion to smash, two the both ends of vertical crushing axle all rotate through the bearing and connect on the lateral wall of smashing the case. The utility model discloses a smash the after-fermentation with raw materials or paper article, improved fermented efficiency, shortened the fermented time, stir through the stirring leaf simultaneously for zymophyte and organic matter fully contact have increased fermented thorough degree, improve the gas production of marsh gas.

Description

Biogas generation device for paper mill

Technical Field

The utility model relates to a marsh gas produces technical field, specifically is a marsh gas produces device for paper mill.

Background

The paper industry is the industrial sector for the manufacture of various types of paper and board. It includes several aspects of pulp manufacturing industry for making paper pulp by using wood, reed, bagasse, rice straw, wheat straw, cotton straw, hemp straw and cotton as raw material, paper and paperboard manufacturing industry for producing coated, glazing, sizing and laminated paper and making paper for making character pattern. Paper making is one of four inventions in China.

At present, in the production process of a paper mill, a lot of unqualified raw materials and paper products cannot be used, but the raw materials and the paper products are unfortunately discarded and need to be put into a methane tank for fermentation to generate methane for reuse. However, the existing biogas digester does not crush the raw materials and paper products, so that the raw materials and the paper products are not sufficiently fermented in the biogas digester, and further the biogas yield is low, and therefore, a biogas generating device for a paper mill is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a paper mill produces device with marsh gas to solve the insufficient problem of organic matter fermentation in the methane-generating pit.

In order to achieve the above object, the utility model provides a following technical scheme:

a biogas generating device for a paper mill comprises a biogas tank, a cover body, a stirring mechanism and a crushing and feeding mechanism, wherein the upper end of the biogas tank is hermetically connected with the cover body, the stirring mechanism is arranged on one side wall of the biogas tank, and the crushing and feeding mechanism is arranged on the upper surface of the cover body;

the crushing and feeding mechanism comprises a crushing box, the lower end of the crushing box is connected with a connecting pipe in a through mode, the lower end of the connecting pipe is connected with the cover body in a through mode, the upper end of the crushing box is connected with a feeding hopper in a through mode, the upper portion of the inside of the crushing box is provided with two longitudinal crushing shafts, the two ends of the two longitudinal crushing shafts are rotatably connected to the side wall of the crushing box through bearings, the lower portion of the inside of the crushing box is provided with two transverse crushing shafts, the two ends of the two transverse crushing shafts are rotatably connected to the side wall of the crushing box through bearings, the outer side wall of the crushing box is provided with a second motor and a third motor from bottom to top, the output end of the second motor is in transmission connection with one of the transverse crushing shafts, and the output end of the third motor is;

the middle of the upper surface of the cover body is connected with a water adding pipe in a through mode, and one side of the upper surface of the cover body is connected with an air outlet pipe in a through mode.

As a further aspect of the present invention: the stirring mechanism comprises stirring blades, a rotating shaft, a first motor and a fixing frame, wherein the outer side of the rotating shaft is connected with a plurality of the stirring blades, the two ends of the rotating shaft are rotatably connected onto the inner side wall of the methane tank through bearings, the first motor is connected onto the outer side wall of the methane tank through the fixing frame, the output end of the first motor is in transmission connection with one end of the rotating shaft, and the stirring blades are driven to stir through rotation of the first motor, so that the material body, water and microorganisms are fully fermented.

As a further aspect of the present invention: cylindrical cutting teeth are arranged on the two longitudinal crushing shafts at intervals, and the cutting teeth on the two longitudinal crushing shafts are meshed with each other, so that the material body is cut into strip-shaped fragments by the longitudinal cutting teeth.

As a further aspect of the present invention: rectangular cutting teeth are arranged on the two transverse crushing shafts at intervals, and the cutting teeth on the two transverse crushing shafts are meshed with each other, so that the material body is transversely cut into fragments by the transverse cutting teeth.

As a further aspect of the present invention: the inner bottom surface of the crushing box is of an inclined hopper-shaped structure, so that the blanking is convenient.

As a further aspect of the present invention: the feed opening end of the charging hopper is aligned to the middle of the two longitudinal crushing shafts, so that the material body can be crushed conveniently.

Compared with the prior art, the utility model has the advantages of as follows: the utility model discloses the during operation, add crushing incasement with paper mill's waste raw materials or paper article from the loading hopper, through the common cutting of longitudinal cutting tooth and transverse cutting tooth, make raw materials or paper article smash the back and get into in the methane-generating pit, add water and fermentation tubes by the filler pipe, stir the back fermentation of stewing by first motor drive stirring leaf again, produce marsh gas, this device is through smashing raw materials or paper article after-fermentation, the efficiency of fermentation has been improved, the time of fermentation has been shortened, stir through stirring the leaf simultaneously, make fermentation tubes and organic matter fully contact, the thorough degree of fermentation has been increased, improve the gas production volume of marsh gas.

Drawings

Fig. 1 is a schematic structural diagram of a biogas generation device for a paper mill.

Fig. 2 is a schematic structural view of a pulverizing box in a biogas generating apparatus for a paper mill.

Fig. 3 is a schematic structural view of a longitudinal pulverizing shaft in a biogas generating apparatus for a paper mill.

Fig. 4 is a schematic structural view of a transverse pulverizing shaft in a biogas generating apparatus for a paper mill.

In the figure: 1. a biogas generating pit; 2. a stirring mechanism; 21. stirring blades; 22. a rotating shaft; 23. a first motor; 24. a fixed mount; 3. a connecting pipe; 4. a second motor; 5. a third motor; 6. a crushing box; 7. a hopper; 8. a longitudinal pulverizing shaft; 9. a transverse crushing shaft; 10. a water feeding pipe; 11. an air outlet pipe; 12. a cover body.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Referring to fig. 1-4, a biogas generating device for a paper mill comprises a biogas generating tank 1, a cover 12, a stirring mechanism 2 and a crushing and feeding mechanism, wherein the upper end of the biogas generating tank 1 is hermetically connected with the cover 12, the stirring mechanism 2 is arranged on one side wall of the biogas generating tank 1, and the crushing and feeding mechanism is arranged on the upper surface of the cover 12;

the crushing and feeding mechanism comprises a crushing box 6, the lower end of the crushing box 6 is connected with a connecting pipe 3 in a through mode, the lower end of the connecting pipe 3 is connected with a cover body 12 in a through mode, the upper end of the crushing box 6 is connected with a feeding hopper 7 in a through mode, two longitudinal crushing shafts 8 are arranged on the upper portion in the crushing box 6, two ends of each longitudinal crushing shaft 8 are rotatably connected to the side wall of the crushing box 6 through bearings, two transverse crushing shafts 9 are arranged on the lower portion in the crushing box 6, two ends of each transverse crushing shaft 9 are rotatably connected to the side wall of the crushing box 6 through bearings, a second motor 4 and a third motor 5 are arranged on the outer side wall of the crushing box 6 from bottom to top, the output end of the second motor 4 is in transmission connection with one of the transverse crushing shafts 9, and the output end of;

the middle of the upper surface of the cover body 12 is connected with a water adding pipe 10 in a penetrating way, and one side of the upper surface of the cover body 12 is connected with an air outlet pipe 11 in a penetrating way.

The stirring mechanism 2 comprises stirring blades 21, a rotating shaft 22, a first motor 23 and a fixing frame 24, the outer side of the rotating shaft 22 is connected with a plurality of stirring blades 21, two ends of the rotating shaft 22 are rotatably connected to the inner side wall of the methane tank 1 through bearings, the first motor 23 is connected to the outer side wall of the methane tank 1 through the fixing frame 24, the output end of the first motor 23 is connected with one end of the rotating shaft 22 in a transmission manner, the stirring blades 21 are driven to stir through the rotation of the first motor 23, and therefore the material body, water and microorganisms are sufficiently fermented.

Cylindrical cutting teeth are arranged on the two longitudinal crushing shafts 8 at intervals, and the cutting teeth on the two longitudinal crushing shafts 8 are meshed with each other, so that the material body is cut into strip-shaped fragments by the longitudinal cutting teeth.

Rectangular cutting teeth are arranged on the two transverse crushing shafts 9 at intervals, and the cutting teeth on the two transverse crushing shafts 9 are meshed with each other, so that the material body is transversely cut into fragments by the transverse cutting teeth.

The inner bottom surface of the crushing box 6 is of an inclined hopper-shaped structure, so that the blanking is convenient.

The feed opening end of the charging hopper 7 is aligned to the middle of the two longitudinal crushing shafts 8, so that the material body can be crushed conveniently.

The utility model discloses a theory of operation is: the utility model discloses the during operation, add crushing case 6 with paper mill's waste raw materials or paper article from loading hopper 7 in, through the common cutting of longitudinal cutting tooth and transverse cutting tooth, make raw materials or paper article smash the back and get into in methane-generating pit 1, add water and fermentation tubes by filler pipe 10, stir the fermentation of stewing after stirring by first motor 23 drive stirring leaf 21 again, produce marsh gas, this device is through smashing the after-fermentation with raw materials or paper article, the efficiency of fermentation has been improved, the time of fermentation has been shortened, stir through stirring leaf 21 simultaneously, make fermentation tubes and organic matter fully contact, the thorough degree of fermentation has been increased, improve the gas production volume of marsh gas.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. The biogas generation device for the paper mill is characterized by comprising a biogas digester (1), a cover body (12), a stirring mechanism (2) and a crushing and feeding mechanism, wherein the upper end of the biogas digester (1) is hermetically connected with the cover body (12), the stirring mechanism (2) is arranged on one side wall of the biogas digester (1), and the crushing and feeding mechanism is arranged on the upper surface of the cover body (12);

the crushing and feeding mechanism comprises a crushing box (6), a connecting pipe (3) is connected to the lower end of the crushing box (6) in a penetrating manner, the lower end of the connecting pipe (3) is connected with the cover body (12) in a penetrating manner, the upper end of the crushing box (6) is connected with a feeding hopper (7) in a penetrating manner, two longitudinal crushing shafts (8) are arranged on the inner upper portion of the crushing box (6), the two ends of the two longitudinal crushing shafts (8) are connected to the side wall of the crushing box (6) in a rotating manner through bearings, two transverse crushing shafts (9) are arranged on the inner lower portion of the crushing box (6), the two ends of the two transverse crushing shafts (9) are connected to the side wall of the crushing box (6) in a rotating manner through bearings, a second motor (4) and a third motor (5) are arranged on the outer side wall of the crushing box (6) from bottom to top, the output end of the second motor (4) is in, the output end of the third motor (5) is in transmission connection with one of the longitudinal crushing shafts (8);

the middle of the upper surface of the cover body (12) is connected with a water adding pipe (10) in a penetrating mode, and one side of the upper surface of the cover body (12) is connected with an air outlet pipe (11) in a penetrating mode.

2. The paper mill biogas generation device according to claim 1, characterized in that the stirring mechanism (2) comprises a stirring blade (21), a rotating shaft (22), a first motor (23) and a fixing frame (24), the outer side of the rotating shaft (22) is connected with a plurality of stirring blades (21), the two ends of the rotating shaft (22) are rotatably connected to the inner side wall of the biogas digester (1) through bearings, the first motor (23) is connected to the outer side wall of the biogas digester (1) through the fixing frame (24), the output end of the first motor (23) is in transmission connection with one end of the rotating shaft (22), and the stirring blades (21) are driven to stir through the rotation of the first motor (23).

3. A biogas production device for paper mills according to claim 1, characterized in that cylindrical cutting teeth are provided at intervals on both of the longitudinal crushing shafts (8), the cutting teeth on both of the longitudinal crushing shafts (8) being engaged with each other.

4. The biogas production device for paper mills according to claim 1, characterized in that the two transverse crushing shafts (9) are provided with rectangular cutting teeth at intervals, and the cutting teeth on the two transverse crushing shafts (9) are engaged with each other.

5. A paper mill biogas production device according to claim 1, characterized in that the inner bottom surface of the comminution tank (6) is of an inclined bucket-like structure.

6. A biogas production device for a paper mill according to claim 1, characterized in that the feed hopper (7) has its feed opening end aligned in the middle of the two longitudinal comminution shafts (8).