CN216720009U

CN216720009U - Microbial fuel cell based on sludge

Info

Publication number: CN216720009U
Application number: CN202123181371.9U
Authority: CN
Inventors: 徐鑫焱; 张文栋; 骆汉平; 葛戎龙
Original assignee: Zhejiang Yijiu Hydrogen Energy Technology Co ltd
Current assignee: Zhejiang Yijiu Hydrogen Energy Technology Co ltd
Priority date: 2021-12-17
Filing date: 2021-12-17
Publication date: 2022-06-10
Anticipated expiration: 2031-12-17

Abstract

The utility model discloses a sludge-based microbial fuel cell, which comprises a cell box, wherein a cell cover is arranged at the upper end of the cell box, a slope plate is fixedly arranged at the bottom end in the cell box, a fixing rod is jointly arranged between two sides of the inner wall of the cell box, a proton exchange membrane is fixedly arranged in the middle of the outer annular surface of the fixing rod, an anode block and a cathode block are respectively arranged on two sides of the fixing rod close to the proton exchange membrane, retention fan strips are respectively arranged in the anode block and the cathode block, adsorption plates are respectively arranged on the outer annular surface of the fixing rod close to the inner wall of the cell box, an electron transfer tube is jointly arranged between the upper surfaces of the anode block and the cathode block, an energy storage block is arranged in the middle of the electron transfer tube, and a feed hopper is arranged on the upper side of one end, close to the anode block, of the cell box in a penetrating manner. During the use process, the utility model can realize that the precipitated sludge in the sewage is rapidly taken and placed in the power generation device, thereby saving the cleaning time and improving the cleaning efficiency.

Description

Microbial fuel cell based on sludge

Technical Field

The utility model relates to the technical field of microbial fuel cells, in particular to a sludge-based microbial fuel cell.

Background

The microbial fuel cell is a device for directly converting chemical energy in organic matters into electric energy by using microbes. The basic working principle is as follows: in the anaerobic environment of the anode chamber, organic matters are decomposed under the action of microorganisms to release electrons and protons, the electrons are effectively transferred between biological components and the anode by virtue of a suitable electron transfer mediator and are transferred to the cathode through an external circuit to form current, the protons are transferred to the cathode through a proton exchange membrane, and an oxidant (generally oxygen) obtains the electrons at the cathode and is reduced to be combined with the protons to form water.

The existing precipitated sludge passing through sewage is used as fuel for power generation, but the taking and the placing in the device before and after the power generation of the sludge fuel are tedious, a large amount of time is wasted, and more impurities contained in the precipitated sludge easily influence the power generation efficiency and are not beneficial to use. To this end, we propose a sludge-based microbial fuel cell.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a sludge-based microbial fuel cell.

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

a microbial fuel cell based on sludge comprises a cell box, wherein a cell cover is installed at the upper end of the cell box, a slope plate is fixedly installed at the bottom end inside the cell box, a fixing rod is installed between two sides of the inner wall of the cell box together, a proton exchange membrane is fixedly installed in the middle of the outer annular surface of the fixing rod, an anode block and a cathode block are respectively installed on two sides of the fixing rod close to the proton exchange membrane, retaining fan strips are installed inside the anode block and the cathode block, an adsorption plate is installed on the outer annular surface of the fixing rod close to the inner wall of the cell box, an electron transfer tube is installed between the middle parts of the upper surfaces of the anode block and the cathode block together, an energy storage block is arranged in the middle of the electron transfer tube, a feed hopper is installed on the upper side of one end, close to the anode block, of the cell box, and a discharge tube is installed on the lower side of one end, close to the cathode block, of the cell box, one end of the slope plate close to the cathode block is flush with the bottom end of the inner part of the discharge pipe.

Preferably, the slide rail frame that the interval set up is all fixed mounting in the both sides of battery box internal surface, the spout has all been seted up to the inboard of slide rail frame.

Preferably, the equal fixed mounting in the outside that anode block and negative pole piece correspond the slide rail frame has the second slide bar, first slide bar is all installed in the outside that the adsorption plate corresponds the slide rail frame, first slide bar, second slide bar all mesh with the spout on the slide rail frame mutually.

Preferably, the middle part of the upper surface of the slide rail frame is fixedly provided with a lifting rod, the lifting rod penetrates through the battery cover and extends to two sides of the battery box, two sides of the battery box corresponding to the lifting rod are respectively provided with an electric push rod, and the output end of the electric push rod is connected with the lower end of the lifting rod.

Preferably, the outer ends of the feed hopper and the discharge pipe are provided with sealing plates.

Preferably, the inner wall of the battery box corresponding to the proton exchange membrane is fixedly provided with an installation frame, and the inner wall of the installation frame is connected with the outer side of the proton exchange membrane.

The utility model provides a sludge-based microbial fuel cell, which has the beneficial effects that:

the precipitated sludge enters the battery box through the feed hopper, under the anaerobic environment of the anode chamber corresponding to the anode block, organic matters in the sludge are decomposed under the action of microorganisms and release electrons and protons, the electrons are effectively transferred between the sludge and the anode and transferred to the cathode through the electron transfer pipe to form current, and thus the sludge is stored by the energy storage block to achieve the purpose of generating electricity; after the sludge enters the battery box, the slope plate finishes flowing and gradually spreads in the battery box, the discharge pipe is opened after the sludge entering the battery box finishes generating electricity, and under the action of gravity, the mixture of the sludge and water in the battery box can be completely discharged through the discharge pipe; when the cleaning of the interior of the battery box is carried out, the battery cover is taken out, the electric push rod is opened, and the electric push rod is started to drive the whole body formed by the internal anode block and the internal cathode block to move upwards, so that the internal bottom end of the battery box and the adsorption plate are convenient to clean.

Drawings

FIG. 1 is a schematic diagram of a sludge-based microbial fuel cell according to the present invention;

FIG. 2 is a partial structural cross-sectional view of a sludge-based microbial fuel cell in accordance with the present invention;

FIG. 3 is a schematic diagram of the internal structure of a sludge-based microbial fuel cell according to the present invention;

fig. 4 is a schematic structural diagram of a fuel cell body of a sludge-based microbial fuel cell according to the present invention.

In the figure: 1. a battery case; 2. a battery cover; 3. a feed hopper; 4. a discharge pipe; 5. an electric push rod; 6. lifting the rod; 7. an energy storage block; 8. an electron transfer tube; 9. a ramp plate; 10. an anode block; 11. a cathode block; 12. a proton exchange membrane; 13. an adsorption plate; 14. keeping the fan strips; 15. a slide rail frame; 16. a chute; 17. a first slide bar; 18. a second slide bar; 19. a mounting frame; 20. and (5) fixing the rod.

Detailed Description

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

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-4, a microbial fuel cell based on sludge, including battery box 1, battery cover 2 is installed to the upper end of battery box 1, the inside bottom fixed mounting of battery box 1 has ramp 9, install dead lever 20 between the both sides of battery box 1 inner wall jointly, the middle part fixed mounting of the outer annular surface of dead lever 20 has proton exchange membrane 12, anode block 10 and negative pole piece 11 are installed respectively to the both sides that dead lever 20 is close to proton exchange membrane 12, reserve fan strip 14 is all installed to the inside of anode block 10 and negative pole piece 11, the outer annular surface that dead lever 20 is close to battery box 1 inner wall all installs adsorption plate 13, adsorption plate 13 comprises fixed frame and filter screen, when sludge gets into battery box 1 in, at first obtain preliminary filtration, adsorb, filter out the bold impurity in the sludge, avoid influencing the condition of normal electricity generation.

Install electron transfer tube 8 between the upper surface middle part of positive pole piece 10 and negative pole piece 11 jointly, the middle part of electron transfer tube 8 is equipped with energy storage block 7, and the upside that battery box 1 is close to positive pole piece 10 one end is run through and is installed feeder hopper 3, and the downside that battery box 1 is close to negative pole piece 11 one end is run through and is installed discharging pipe 4, and ramp plate 9 is close to the inside bottom end parallel and level of negative pole piece 11 one end and discharging pipe 4.

The equal fixed mounting in both sides of 1 internal surface of battery box has the slide rail frame 15 that the interval set up, spout 16 has all been seted up to slide rail frame 15's inboard, the equal fixed mounting in the outside that anode block 10 and negative pole piece 11 correspond slide rail frame 15 has second slide bar 18, first slide bar 17 is all installed in the outside that adsorption plate 13 corresponds slide rail frame 15, first slide bar 17, second slide bar 18 all meshes with spout 16 on the slide rail frame 15 mutually, the equal fixed mounting in middle part of slide rail frame 15 upper surface has lifting rod 6, lifting rod 6 runs through battery cover 2 and extends to the both sides of battery box 1, the both sides that battery box 1 corresponds lifting rod 6 all are equipped with electric putter 5, electric putter 5's output is connected with lifting rod 6's lower extreme.

The closing plate is all installed to the outer end of feeder hopper 3 and discharging pipe 4, and the equal fixed mounting of inner wall that battery box 1 corresponds proton exchange membrane 12 has mounting bracket 19, and mounting bracket 19's inner wall is connected with proton exchange membrane 12's the outside.

In the utility model, the precipitated sludge enters the battery box 1 through the feed hopper 3, under the anaerobic environment of the anode chamber corresponding to the anode block 10, organic matters in the sludge are decomposed under the action of microorganisms and release electrons and protons, the electrons are effectively transferred between the sludge and the anode and transferred to the cathode through the electron transfer pipe 8 to form current, and thus, the sludge is stored by the energy storage block 7 to achieve the purpose of generating electricity;

after the sludge enters the battery box 1, the sludge flows through the slope plate 9 and gradually spreads in the battery box 1, after the sludge entering the battery box 1 finishes generating electricity, the discharge pipe 4 is opened, and under the action of gravity, the mixture of the sludge and water in the battery box 1 can be completely discharged through the discharge pipe 4;

when the interior of the battery box 1 is cleaned, the battery cover 2 is taken out, the electric push rod 5 is started, and the electric push rod 5 is started to drive the whole body consisting of the anode block 10 and the cathode block 11 in the battery box to move upwards, so that the bottom end in the battery box 1 and the adsorption plate 13 are cleaned conveniently;

in summary, the following steps: this microbial fuel cell can realize that the quick getting of the sediment mud in the sewage is put inside power generation facility in the use, practices thrift the clearing time, promotes cleaning efficiency.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A microbial fuel cell based on sludge comprises a cell box (1) and is characterized in that a cell cover (2) is installed at the upper end of the cell box (1), a slope plate (9) is fixedly installed at the bottom end inside the cell box (1), a fixing rod (20) is installed between two sides of the inner wall of the cell box (1) together, a proton exchange membrane (12) is fixedly installed in the middle of the outer annular surface of the fixing rod (20), an anode block (10) and a cathode block (11) are installed on two sides, close to the proton exchange membrane (12), of the fixing rod (20) respectively, retention strips (14) are installed inside the anode block (10) and the cathode block (11), adsorption plates (13) are installed on the outer annular surface, close to the inner wall of the cell box (1), of the fixing rod (20), and an electron transfer tube (8) is installed between the middles of the upper surfaces of the anode block (10) and the cathode block (11) together, the middle part of electron transfer tube (8) is equipped with energy storage piece (7), upside that battery box (1) is close to anode block (10) one end is run through and is installed feeder hopper (3), downside that battery box (1) is close to negative pole piece (11) one end is run through and is installed discharging pipe (4), ramp plate (9) are close to the one end of negative pole piece (11) and the inside bottom of discharging pipe (4) looks parallel and level.

2. The sludge-based microbial fuel cell according to claim 1, wherein slide rail frames (15) are fixedly installed on two sides of the inner surface of the cell box (1) at intervals, and sliding grooves (16) are formed in the inner sides of the slide rail frames (15).

3. The sludge-based microbial fuel cell according to claim 2, wherein the anode block (10) and the cathode block (11) are fixedly provided with second slide bars (18) corresponding to the outer sides of the slide rail frames (15), the adsorption plate (13) is provided with first slide bars (17) corresponding to the outer sides of the slide rail frames (15), and the first slide bars (17) and the second slide bars (18) are engaged with the slide grooves (16) on the slide rail frames (15).

4. The sludge-based microbial fuel cell according to claim 2, wherein a lifting rod (6) is fixedly mounted in the middle of the upper surface of the slide rail frame (15), the lifting rod (6) penetrates through the cell cover (2) and extends to two sides of the cell box (1), electric push rods (5) are arranged on two sides of the cell box (1) corresponding to the lifting rod (6), and the output ends of the electric push rods (5) are connected with the lower ends of the lifting rods (6).

5. A sludge-based microbial fuel cell according to claim 1 wherein the outer ends of the feed hopper (3) and the discharge pipe (4) are fitted with sealing plates.

6. The sludge-based microbial fuel cell of claim 1, wherein the inner wall of the cell box (1) corresponding to the proton exchange membrane (12) is fixedly provided with a mounting frame (19), and the inner wall of the mounting frame (19) is connected with the outer side of the proton exchange membrane (12).