CN219409705U

CN219409705U - PH value control device for methane fermentation

Info

Publication number: CN219409705U
Application number: CN202320612506.2U
Authority: CN
Inventors: 张为帅
Original assignee: Mianyang Yiyangqing Biotechnology Co ltd
Current assignee: Mianyang Yiyangqing Biotechnology Co ltd
Priority date: 2023-03-27
Filing date: 2023-03-27
Publication date: 2023-07-25
Anticipated expiration: 2033-03-27

Abstract

The utility model discloses a PH value control device for methane fermentation, and particularly relates to the field of methane fermentation, comprising a methane fermentation tank, wherein a fermentation tank sealing cover is arranged at the top of the methane fermentation tank, a stirring port is formed in the outer surface of the fermentation tank sealing cover, a stirring rod is rotatably connected in the stirring port, and one end of the stirring rod extends into the methane fermentation tank; by arranging the material scattering ring and the stirring rod, when the PH in the fermentation tank needs to be adjusted, only the materials needing to be added are needed to be added into the material scattering ring, the stirring rod is rotated anticlockwise to drive the scraping plate to scrape and extrude the materials, so that the materials are extruded into the fermentation tank, and the stirring rod is rotated clockwise to stir the materials falling into the fermentation tank, so that the fermentation is more complete; meanwhile, the problem that the adding amount of the materials is not accurate enough is avoided, and the stirring rod rotator and the scraping plate cannot rotate when the stirring rod rotator and the scraping plate rotate clockwise.

Description

PH value control device for methane fermentation

Technical Field

The utility model relates to the technical field of biogas fermentation, in particular to a PH value control device for biogas fermentation.

Background

Biogas fermentation is also called anaerobic digestion and anaerobic fermentation, which means the process that organic matters are decomposed and metabolized by various microorganisms under certain moisture, temperature and anaerobic conditions to finally form combustible mixed gas such as methane, carbon dioxide and the like. The biogas fermentation system is based on a biogas fermentation principle, and aims at energy production, so that comprehensive utilization of biogas, biogas slurry and biogas residues is finally realized.

Under the normal condition of the existing biogas in the fermentation process, the biogas fermentation relatively has a certain buffer capacity due to the interaction of biogas bacteria, and the balance can be achieved by automatic adjustment without adjusting the pH value; however, there are some cases where PH changes occur, such as fermentation materials, alcohol waste mash, acetone butanol waste mash, etc., which themselves contain a large amount of organic acids, or where the concentration of the feed is too high when the biogas digester is started; when the pH value is influenced, the fermentation of methane is influenced.

Disclosure of Invention

In order to overcome the above-mentioned drawbacks of the prior art, an embodiment of the present utility model provides a PH control device for biogas fermentation, which solves the above-mentioned problems in the prior art by providing a stirring rod and a scraper, and by pressing the adjusted material into a fermenter through the scraper to stir when the PH needs to be adjusted.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a PH value controlling means for marsh gas fermentation, includes the marsh gas fermentation tank, the top of marsh gas fermentation tank is equipped with the sealed lid of fermentation tank, the stirring mouth has been seted up to the sealed surface of fermentation tank, the inside rotation of stirring mouth is connected with the puddler, the one end of puddler extends to in the marsh gas fermentation tank, the surface fixedly connected with first stirring board of puddler, the quantity of first stirring board is a plurality of, a plurality of the equal fixedly connected with second stirring board in both sides of first stirring board, the sealed top fixedly connected with of fermentation tank spills the material ring, the sealed top of fermentation tank rotates and is connected with the circulator, the circulator is located the inside of spilling the material ring, the surface fixedly connected with scraper blade of circulator, the quantity of scraper blade is a plurality of the one end of scraper blade is laminated with the inner wall of spilling the material ring mutually, the top of spilling the material ring is equipped with and spills the material ring and seals the lid.

The beneficial effects of adopting the further scheme are as follows: when the pH value in the fermentation tank needs to be adjusted, the material capable of changing the pH value of methane fermentation can be placed in the material scattering ring, and the material needing to be added is added into the fermentation tank by rotating the stirring rod, and the pH value in the fermentation tank can be adjusted after stirring.

In a preferred embodiment, a plurality of material scattering openings are formed in the top of the fermentation tank sealing cover.

The beneficial effects of adopting the further scheme are as follows: when the PH value in the fermentation tank needs to be adjusted, the materials can be added into the material scattering ring, and the materials are pressed into the fermentation tank through the scraper blade for extrusion, so that the amount of the added materials is easy to control.

In a preferred embodiment, the top of the rotator is provided with a rotary groove, a first limiting block is arranged in the rotary groove, the other end of the stirring rod penetrates through the rotator, the first limiting block and the material scattering ring sealing cover, the first limiting block is fixedly connected with the stirring rod, and the first limiting block is rotationally connected in the rotary groove of the rotator through the stirring rod.

The beneficial effects of adopting the further scheme are as follows: when the stirring rod is rotated, the first limiting block can rotate together, but the rotator cannot rotate.

In a preferred embodiment, the surface of first stopper has seted up movable groove, the quantity of movable groove is a plurality of, and is a plurality of the inside of movable groove all is equipped with the second stopper, a plurality of the inside all fixedly connected with spacing post of movable groove, the one end of spacing post runs through the second stopper, the second stopper passes through spacing post rotation to be connected in one side of movable groove.

The beneficial effects of adopting the further scheme are as follows: when the stirring rod is rotated, the second limiting blocks move together.

In a preferred embodiment, a limit spring is fixedly connected to one side of the second limit block, the other end of the limit spring is fixedly connected with the inner wall of the movable groove, a third limit block is fixedly connected to the inside of the rotary groove, the number of the third limit blocks is the same as that of the movable groove, and the third limit block is located on one side of the second limit block.

The beneficial effects of adopting the further scheme are as follows: when the pH value in the fermentation tank is detected to be adjusted, other materials are added to adjust, the materials are added into the material scattering ring, the stirring rod rotates anticlockwise, the second limiting block can rotate together with the third limiting block, after the third limiting block rotates, the rotator can drive the scraping plate to rotate together, the scraping plate can extrude the materials into the fermentation tank, the amount of the materials can be controlled to be more than that of the materials, and the situation that direct feeding is avoided, and the feeding amount is not controlled accurately enough; when the feeding is finished, the stirring rod only needs to rotate clockwise, and the stirring rod can stir, and when the stirring rod rotates, the rotator and the scraping plate cannot be driven to rotate together, so that excessive feeding is avoided.

In a preferred embodiment, a water flowing port is formed in the outer surface of the biogas fermentation tank, a water flowing pipe is fixedly connected to the water flowing port, and a water stopping valve is arranged in the water flowing pipe.

The beneficial effects of adopting the further scheme are as follows: by adding the water stop valve, water flows out only by opening the water stop valve when detection is needed, and poor tightness of the fermentation tank is avoided.

In a preferred embodiment, the outer surface of the water flowing pipe is rotatably connected with a bearing, one end of the water flowing pipe is provided with a test paper detector, one end of the water flowing pipe penetrates through one side of the test paper detector and extends into the test paper detector, and the test paper detector is rotatably connected with one end of the water flowing pipe through the bearing.

The beneficial effects of adopting the further scheme are as follows: the fermentation tank is in a sealed state for a long time, but the fermentation tank needs to be opened when detecting the pH value variation during the biogas fermentation, and if sundries fall into the fermentation tank to influence the biogas fermentation; through increasing water pipe, water stop valve and test paper detector, when needs detect the PH value, only need open the water stop valve, let a small amount of rivers detect in the test paper detector can, avoid opening the fermentation cylinder completely.

The utility model has the technical effects and advantages that:

1. by arranging the material scattering ring and the stirring rod, when the PH in the fermentation tank needs to be adjusted, only the materials needing to be added are needed to be added into the material scattering ring, the stirring rod is rotated anticlockwise to drive the scraping plate to scrape and extrude the materials, so that the materials are extruded into the fermentation tank, and the stirring rod is rotated clockwise to stir the materials falling into the fermentation tank, so that the fermentation is more complete; meanwhile, the problem that the adding amount of materials is not accurate enough is avoided, and the stirring rod rotator and the scraping plate cannot rotate when the stirring rod rotator and the scraping plate rotate clockwise;

2. by communicating the water flowing pipe with the surface of the fermentation tank, when the PH in the fermentation tank is required to be detected, the water in the fermentation tank can flow out in a small amount only by opening the water stopping valve on the water flowing pipe, and after the water flows out, the water stopping valve can be closed, so that sundries can be prevented from falling into the fermentation tank when the fermentation tank is opened for PH detection; and the water flowing out can gather in the test paper detector, so that the test paper can be conveniently used for detecting the PH value.

Drawings

Fig. 1 is a schematic view of a feed opening structure of the present utility model.

Fig. 2 is a schematic elevational view of the present utility model.

Fig. 3 is a schematic view of the stirring rod structure of the utility model.

Fig. 4 is a schematic view of a rotator structure according to the present utility model.

The reference numerals are: 1. a biogas fermenter; 2. sealing cover of fermentation tank; 3. a stirring rod; 4. a first stirring plate; 5. a second stirring plate; 6. a spreading ring; 7. a material scattering port; 8. a rotator; 9. a scraper; 10. a spreading ring sealing cover; 11. a rotary groove; 12. a first limiting block; 13. a movable groove; 14. a second limiting block; 15. a limit column; 16. a limit spring; 17. a third limiting block; 18. a water flow pipe; 19. a water stop valve; 20. a bearing; 21. a test paper detector.

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. 1-4, a PH control device for biogas fermentation comprises a biogas fermentation tank 1, wherein a fermentation tank sealing cover 2 is arranged at the top of the biogas fermentation tank 1, a stirring port is formed in the outer surface of the fermentation tank sealing cover 2, a stirring rod 3 is rotatably connected in the stirring port, one end of the stirring rod 3 extends into the biogas fermentation tank 1, a first stirring plate 4 is fixedly connected to the outer surface of the stirring rod 3, a plurality of first stirring plates 4 are fixedly connected to the two sides of each first stirring plate 4, a second stirring plate 5 is fixedly connected to the top of the fermentation tank sealing cover 2, a spreading ring 6 is fixedly connected to the top of the fermentation tank sealing cover 2, a rotator 8 is rotatably connected to the top of the fermentation tank sealing cover 2, the rotator 8 is positioned in the spreading ring 6, a plurality of scraping plates 9 are fixedly connected to the outer surface of the rotator 8, one ends of the scraping plates 9 are attached to the inner wall of the spreading ring 6, and a spreading ring sealing cover 10 is arranged at the top of the spreading ring 6; the top of the fermentation tank sealing cover 2 is provided with a plurality of material scattering openings 7, and the number of the material scattering openings 7 is plural.

When the PH value in the methane fermentation pipe is adjusted, the handle of the stirring rod 3 is firstly taken down, the sealing cover 10 of the material scattering ring is upwards opened, the materials to be added are added into the sealing cover, the scraping plate 9 can squeeze the materials into the fermentation tank through the material scattering port 7 during rotation, and the materials which fall into the fermentation tank can be stirred by continuously rotating the stirring rod 3, so that methane fermentation is facilitated.

A rotary groove 11 is formed in the top of the rotator 8, a first limiting block 12 is arranged in the rotary groove 11, the other end of the stirring rod 3 penetrates through the rotator 8, the first limiting block 12 and the material scattering ring sealing cover 10, the first limiting block 12 is fixedly connected with the stirring rod 3, and the first limiting block 12 is rotatably connected in the rotary groove 11 of the rotator 8 through the stirring rod 3; the outer surface of the first limiting block 12 is provided with a plurality of movable grooves 13, the inside of each movable groove 13 is provided with a second limiting block 14, the inside of each movable groove 13 is fixedly connected with a limiting column 15, one end of each limiting column 15 penetrates through each second limiting block 14, and the second limiting blocks 14 are rotatably connected to one side of each movable groove 13 through the corresponding limiting column 15; one side of the second limiting block 14 is fixedly connected with a limiting spring 16, the other end of the limiting spring 16 is fixedly connected with the inner wall of the movable groove 13, the inside of the rotary groove 11 is fixedly connected with a third limiting block 17, the number of the third limiting blocks 17 is the same as that of the movable groove 13, and the third limiting blocks 17 are located on one side of the second limiting block 14.

It should be noted that, when the material is added into the material spreading ring 6, the stirring rod 3 rotates anticlockwise, the first limiting block 12 rotates and the second limiting block 14 rotates together, the rotation of the second limiting block 14 props against the third limiting block 17 to enable the third limiting block 17 to drive the rotator 8 to rotate together, when the rotator 8 rotates, the scraping plate 9 fixedly connected with the rotator 8 rubs on the top of the sealing cover 2 of the fermentation tank, and when the material is extruded, the material enters the fermentation tank through the material spreading opening 7; when the material is added and then the material does not need to be added continuously, but the stirring rod 3 still needs to stir the fermented biogas in the fermentation tank, the stirring rod 3 is rotated clockwise, and when the second limiting block 14 is in rotary contact with the third limiting block 17, the second limiting block 14 can rotate for the second time because of the limiting post 15, so that the second limiting block 14 cannot exert a force on the third limiting block 17, and the phenomenon that the rotator 8 and the scraping plate 9 rotate together to cause excessive material addition is avoided.

The outer surface of the biogas fermentation tank 1 is provided with a water flowing port, a water flowing pipe 18 is fixedly connected to the water flowing port, and a water stopping valve 19 is arranged in the water flowing pipe 18; the outer surface of the water flowing pipe 18 is rotatably connected with a bearing 20, one end of the water flowing pipe 18 is provided with a test paper detector 21, one end of the water flowing pipe 18 penetrates through one side of the test paper detector 21 and extends into the test paper detector, and the test paper detector 21 is rotatably connected with one end of the water flowing pipe 18 through the bearing 20.

When the fermenter is in a sealed state, the PH detection in the fermenter is performed by opening the water stop valve 19 to allow a small amount of water to flow into the test paper detector 21, and when the detection is completed, the water stop valve 19 is closed; the fermentation tank is prevented from being fully opened for detection, and impurities are prevented from falling into the fermentation tank to influence biogas fermentation.

The last points to be described are: first, in the description of the present application, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;

secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;

finally: the foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims

1. The PH value control device for methane fermentation comprises a methane fermentation tank (1), and is characterized in that: the top of marsh gas fermentation cylinder (1) is equipped with sealed lid (2) of fermentation cylinder, the stirring mouth has been seted up to the surface of sealed lid (2) of fermentation cylinder, the inside rotation of stirring mouth is connected with puddler (3), in the one end of puddler (3) extends to marsh gas fermentation cylinder (1), the surface fixedly connected with first stirring board (4) of puddler (3), the quantity of first stirring board (4) is a plurality of, a plurality of equal fixedly connected with second stirring board (5) in both sides of first stirring board (4), the top fixedly connected with of sealed lid (2) of fermentation cylinder spills material ring (6), the top rotation of sealed lid (2) of fermentation cylinder is connected with rotation ware (8), rotation ware (8) are located the inside of spilling material ring (6), the surface fixedly connected with scraper blade (9) of rotation ware (8), the quantity of scraper blade (9) is a plurality of the one end of scraper blade (9) is laminated with the inner wall of spilling material ring (6), it is equipped with and spills material ring (10) to spill material ring (6).

2. The PH control device for biogas fermentation according to claim 1, wherein: the top of the fermentation tank sealing cover (2) is provided with a plurality of material scattering openings (7), and the number of the material scattering openings (7) is multiple.

3. The PH control device for biogas fermentation according to claim 1, wherein: the rotary trough (11) has been seted up at the top of circulator (8), the inside of rotary trough (11) is equipped with first stopper (12), the other end of puddler (3) runs through circulator (8), first stopper (12) and spill material ring sealed lid (10), first stopper (12) and puddler (3) fixed connection, first stopper (12) are rotated through puddler (3) and are connected in rotary trough (11) of circulator (8).

4. A PH control apparatus for biogas fermentation according to claim 3, wherein: the utility model discloses a movable groove (13) has been seted up to the surface of first stopper (12), the quantity of movable groove (13) is a plurality of, and is a plurality of the inside of movable groove (13) all is equipped with second stopper (14), a plurality of the inside all fixedly connected with spacing post (15) of movable groove (13), second stopper (14) are run through to the one end of spacing post (15), second stopper (14) are rotated through spacing post (15) and are connected in one side of movable groove (13).

5. The PH control device for biogas fermentation according to claim 4, wherein: one side fixedly connected with spacing spring (16) of second stopper (14), the other end and the inner wall fixed connection of movable groove (13) of spacing spring (16), the inside fixedly connected with third stopper (17) of rotatory groove (11), the quantity of third stopper (17) is the same with the quantity of movable groove (13), third stopper (17) are located one side of second stopper (14).

6. The PH control device for biogas fermentation according to claim 1, wherein: the biogas fermentation tank is characterized in that a water flowing port is formed in the outer surface of the biogas fermentation tank (1), a water flowing pipe (18) is fixedly connected to the water flowing port, and a water stopping valve (19) is arranged in the water flowing pipe (18).

7. The PH control device for biogas fermentation according to claim 6, wherein: the outer surface of flow pipe (18) rotates and is connected with bearing (20), flow pipe (18) one end is equipped with test paper detector (21), one end of flow pipe (18) runs through one side of test paper detector (21) and extends to its inside, test paper detector (21) are rotated through bearing (20) and are connected in the one end of flow pipe (18).