CN212127931U

CN212127931U - Biogas slurry discharge anti-blocking biogas digester

Info

Publication number: CN212127931U
Application number: CN202020362081.0U
Authority: CN
Inventors: 张效顺; 雷彩霞; 马辉; 甄娜
Original assignee: Weifeng Heng Yang Environmental Protection Engineering Co ltd
Current assignee: Weifeng Heng Yang Environmental Protection Engineering Co ltd
Priority date: 2020-03-20
Filing date: 2020-03-20
Publication date: 2020-12-11
Anticipated expiration: 2030-03-20

Abstract

The utility model discloses a biogas slurry discharge anti-blocking biogas digester, which belongs to the technical field of biogas preparation, and comprises a tank body, wherein an upper cover is detachably arranged on the upper part of the tank body, a rotating shaft is arranged in the tank body, one end of the rotating shaft passes through the upper cover and is connected with a driving motor, the other end of the rotating shaft is in threaded connection with a large filter cartridge, the large filter cartridge can freely move in the tank body, an auxiliary cavity is arranged at the central position of the bottom of the tank body, a small filter cartridge is fixedly arranged in the auxiliary cavity, one end of the small filter cartridge extends into the tank body, a connecting rod capable of freely rotating is arranged in the small filter cartridge, a plurality of driving fins which are uniformly distributed are arranged on the connecting rod, one end of the connecting rod passes through the small filter cartridge and is connected with scraping blades, the scraping blades are matched, the liquid outlet pipe is communicated with the small filter cylinder.

Description

Biogas slurry discharge anti-blocking biogas digester

Technical Field

The utility model relates to a marsh gas preparation technical field, concretely relates to biogas slurry discharges and prevents blockking up methane-generating pit.

Background

The biogas slurry is a reddish brown liquid left after organic wastes such as human and animal excrements and the like are subjected to anaerobic fermentation in a biogas tank to generate biogas, conventional nutritional ingredients in the biogas slurry comprise nitrogen, phosphorus, potassium and other elements required by plant growth and a small amount of trace elements, active organic ingredients comprise humic acid, indoleacetic acid, lactic acid bacteria, gibberellin, cytokinin and other plant hormones, B vitamins comprise B1, B2, B5, B6, B11 and B12, and also comprise various amino acids, proteins, hydrolytic enzymes, certain antibiotics and other organic molecules, and the ingredients exist in the biogas slurry in the forms of quick-acting nutrients and biological pesticides, can be directly and quickly absorbed by plants and kill harmful germs and worm eggs, so that the growth of the plants is promoted. Therefore, the biogas slurry is not only an organic fertilizer with slow speed, but also can be used as a medical fertilizer to be matched with drip irrigation fertilization and foliar spray fertilization.

Most of the traditional methane tanks are wet fermentation, the hydration speed of the livestock manure is low, solid residues need to be cleaned in time, at present, the methane tank body integrating the methane tank and the septic tank for the livestock manure prepared by the glass fiber reinforced plastic tank body is provided, but in practical application, the livestock manure is easy to form accumulation in the methane tank after long-term use, the slag discharge is difficult, and the treatment efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the prior art, the utility model provides a pair of prevent blockking up methane-generating pit is discharged to natural pond liquid, strains a section of thick bamboo, little through big, strain a section of thick bamboo and the cooperation of cyclic annular filter screen carries out a lot of filtration to natural pond liquid in the methane-generating pit, can effectively improve the solid-liquid separation efficiency of methane-generating pit, can avoid natural pond sediment to block up the liquid outlet simultaneously.

In order to realize the purpose, the utility model discloses a technical scheme as follows:

the utility model provides a biogas slurry discharges and prevents blockking up methane-generating pit, includes the cell body, cell body upper portion demountable installation has the upper cover, be equipped with the pivot in the cell body, pivot one end is passed the upper cover is connected with driving motor, pivot other end threaded connection has big section of thick bamboo, big section of thick bamboo is in can freely move in the cell body, cell body bottom central point puts and is equipped with assists the chamber, assist intracavity fixed mounting have a little section of thick bamboo, a little section of thick bamboo one end is stretched into in the cell body, but be equipped with free rotation's connecting rod in the little section of thick bamboo, be equipped with a plurality of evenly distributed's drive fin on the connecting rod, connecting rod one end is passed little section of thick bamboo is connected with the doctor-blade, the doctor-blade with stretch into in the cell body the surface of a little section.

Preferably, a plurality of chutes which are uniformly distributed are arranged on the inner wall of the tank body, a plurality of sliding blocks which are uniformly distributed and matched with the chutes are arranged on the outer surface of the large filter cylinder, magnetic sheets which are matched with each other are arranged on the surfaces of the chutes and the sliding blocks, and the magnetic poles of the magnetic sheets which are matched with each other on the chutes and the sliding blocks are the same.

Preferably, an annular filter screen is installed in the tank body below the large filter cylinder, one end of the small filter cylinder extending into the tank body is matched with an inner ring of the annular filter screen, and the scraping blade is located between the inner ring of the annular filter screen and the small filter cylinder.

Preferably, the mesh diameters of the large filter cartridge, the small filter cartridge and the annular filter screen are reduced in sequence.

Preferably, a plurality of uniformly distributed vertical cones are fixedly arranged in the large filter cylinder.

The utility model has the advantages of that:

1. the utility model discloses in filter many times the natural pond liquid in the methane-generating pit through the cooperation of big filter cylinder, little filter cylinder and annular filter screen, can effectively avoid the filter residue to block up the drain pipe, wherein can avoid the fermentation raw materials to directly contact with the drain pipe through the big filter cylinder that can freely move, realize the preliminary separation of natural pond sediment, can also realize the gradual separation of natural pond sediment and natural pond liquid through the height that improves big filter cylinder constantly to promote the height of natural pond sediment in the fermentation process, realize the gathering of natural pond liquid, carry out secondary filtration to the natural pond liquid of cell body bottom gathering through little filter cylinder in the natural pond liquid discharge process simultaneously, avoid impurity to block up the drain pipe, be favorable to improving the empty speed of methane-generating pit;

2. in the utility model, the gathering of biogas slurry at the bottom of the tank body is realized through the large filter cylinder, so that the biogas slurry can smoothly enter the liquid discharge pipe through the auxiliary cavity when the biogas digester is cleaned, and meanwhile, in the biogas slurry discharge process, the flow of the biogas slurry in the auxiliary cavity pushes the driving fins to rotate, so that the scraping blades are driven to rotate around the surface of the small filter cylinder, thereby effectively avoiding the gathering of impurities in the biogas slurry on the surface of the small filter cylinder and being beneficial to keeping the smoothness of biogas slurry discharge;

3. the utility model discloses strain a section of thick bamboo through driving motor and big cooperation control of straining and move along vertical direction greatly at marsh gas fermentation in-process, be favorable to promoting the mixture of raw materials in the cell body, the cone is found simultaneously and can be solved raw materials surface crusting phenomenon in the motion process of vertical direction, is favorable to promoting the production of marsh gas.

Drawings

FIG. 1 is a schematic view of the overall structure of the anti-clogging methane tank for discharging biogas slurry.

In the figure: 1-tank body, 2-upper cover, 3-rotating shaft, 4-driving motor, 5-large filter cylinder, 6-auxiliary cavity, 7-chute, 8-slide block, 9-small filter cylinder, 10-connecting rod, 11-driving fin, 12-scraping blade, 13-liquid outlet pipe, 14-annular filter screen and 15-vertical cone.

Detailed Description

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

As shown in fig. 1, the biogas slurry discharging anti-clogging biogas digester comprises a digester body 1, an upper cover 2 is detachably mounted on the upper portion of the digester body 1, a rotating shaft 3 is arranged in the digester body 1, one end of the rotating shaft 3 penetrates through the upper cover 2 and is connected with a driving motor 4, the other end of the rotating shaft 3 is in threaded connection with a large filter cartridge 5, the driving motor 4 drives the large filter cartridge 5 to freely move in the vertical direction through the rotating shaft 3, the large filter cartridge 5 realizes separation of biogas slurry and biogas residue, biogas residue is prevented from contacting a liquid discharge port of the digester body 1, meanwhile, liquid flow in the digester body 1 can be promoted in the process that the large filter cartridge 5 moves in the vertical direction, and is beneficial to promoting generation of biogas, an auxiliary cavity 6 is arranged at the center of the bottom of the digester body 1, a small filter cartridge 9 is fixedly mounted in the auxiliary cavity 6, one end of the small filter cartridge 9 extends into the digester body, the connecting rod 10 is provided with a plurality of driving fins 11 which are uniformly distributed, one end of the connecting rod 10 penetrates through the small filter cylinder 9 to be connected with a scraping blade 12, the bottom of the auxiliary cavity 6 on one side of the connecting rod 10 is connected with a liquid outlet pipe 13, the liquid outlet pipe 13 is communicated with the small filter cylinder 9, in the biogas slurry discharging process, biogas slurry in the auxiliary cavity 6 flows to push the driving fins 11 to rotate, the driving fins 11 drive the scraping blade 12 to rotate through the connecting rod 10, the scraping blade 12 cleans the outer surface of the small filter cylinder 9, and the small filter cylinder 9 is prevented from being blocked to influence biogas slurry discharging.

A plurality of evenly distributed sliding chutes 7 are formed in the inner wall of the tank body 1, a plurality of evenly distributed sliding blocks 8 matched with the sliding chutes 7 are arranged on the outer surface of the large filter cartridge 5, magnetic sheets matched with each other are arranged on the surfaces of the sliding chutes 7 and the sliding blocks 8, and the magnetic poles of the magnetic sheets matched with each other on the sliding chutes 7 and the sliding blocks 8 are the same; an annular filter screen 14 is arranged in the tank body 1 below the large filter cartridge 5, one end of the small filter cartridge 9 extending into the tank body 1 is matched with an inner ring of the annular filter screen 14, and the scraping blade 12 is positioned between the inner ring of the annular filter screen 14 and the small filter cartridge 9; the mesh diameters of the large filter cartridge 5, the small filter cartridge 9 and the annular filter screen 14 are reduced in sequence; a plurality of vertical cones 15 which are uniformly distributed are fixedly arranged in the large filter cylinder 5, and the vertical cones 15 can break the crusting phenomenon of the liquid level in the up-and-down moving process of the large filter cylinder 5, thereby being beneficial to promoting the generation of methane.

The foregoing is merely exemplary and illustrative of the structure of the invention, and various modifications, additions and substitutions as described in the detailed description may be made by those skilled in the art without departing from the structure or exceeding the scope of the invention as defined in the claims.

Claims

1. A biogas slurry discharge anti-clogging biogas digester is characterized by comprising a digester body, wherein an upper cover is detachably arranged at the upper part of the digester body, a rotating shaft is arranged in the tank body, one end of the rotating shaft penetrates through the upper cover and is connected with a driving motor, the other end of the rotating shaft is in threaded connection with a large filter cylinder, the large filter cartridge can freely move in the tank body, an auxiliary cavity is arranged at the center of the bottom of the tank body, a small filter cylinder is fixedly arranged in the auxiliary cavity, one end of the small filter cylinder extends into the tank body, a connecting rod capable of freely rotating is arranged in the small filter cylinder, a plurality of driving fins which are uniformly distributed are arranged on the connecting rod, one end of the connecting rod penetrates through the small filter cylinder and is connected with a scraping blade, the scraping blade is matched with the outer surface of the small filter cylinder extending into the tank body, the bottom of the auxiliary cavity on one side of the connecting rod is connected with a liquid outlet pipe, and the liquid outlet pipe is communicated with the small filter cylinder.

2. The biogas digester with biogas slurry discharge blockage prevention according to claim 1, wherein a plurality of chutes are uniformly distributed on the inner wall of the digester body, a plurality of slide blocks which are uniformly distributed and matched with the chutes are arranged on the outer surface of the large filter cartridge, magnetic sheets which are matched with each other are arranged on the surfaces of the chutes and the slide blocks, and the magnetic poles of the chutes and the magnetic sheets which are matched with each other on the slide blocks are the same.

3. The biogas slurry discharging anti-clogging biogas digester as claimed in claim 1, wherein an annular filter screen is installed in the tank body below the large filter cartridge, one end of the small filter cartridge extending into the tank body is matched with the inner ring of the annular filter screen, and the scraping blade is located between the inner ring of the annular filter screen and the small filter cartridge.

4. The biogas digester capable of preventing biogas slurry from being blocked in the discharging process according to claim 3, wherein the diameters of the meshes of the large filter cartridge, the small filter cartridge and the annular filter screen are sequentially reduced.

5. The biogas slurry discharging anti-clogging biogas digester as claimed in claim 1, wherein a plurality of evenly distributed vertical cones are fixedly installed in the large filter cylinder.