CN109761340A - Tiny ecosystem period suitching type microorganism electrolysis cell and its operation method - Google Patents
Tiny ecosystem period suitching type microorganism electrolysis cell and its operation method Download PDFInfo
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Abstract
Tiny ecosystem period suitching type microorganism electrolysis cell and its operation method, belong to microorganism electrolysis cell technical field, the most suitable valve transfer mode of exterior line and switching frequency can be configured according to the water quality and quantity feature and loading condiction of handled sewage, so that corresponding period switching respectively occurs every indoor Tiny ecosystem, to obtain sewage treatment and methane phase or produce the optimal coupling effect of hydrogen, each compartment is an independent microorganism electrolysis cell, each microorganism electrolysis cell parallel running, great flexibility, be conducive to microorganism electrolysis cell technology and really realize engineering, industrialization and commercialization.The present invention can increase compartment quantity n (n >=4), corresponding valve transfer mode in addition to adjacent compartments successively switch mode, further include every a compartment switch mode until several until n-3 compartment switch mode etc..
Description
Technical field
The invention belongs to microorganism electrolysis cell technical fields, especially relate to a kind of Tiny ecosystem period suitching type microorganism
Electrolytic cell and its operation method.
Background technique
Microorganism electrolysis cell is a kind of bio-hydrogen production technology emerging in recent years, it is only necessary to which the electricity of very little inputs, and can incite somebody to action
Organic wastewater is converted into hydrogen and other chemical substances with surcharge, environment, the energy and field of waste water treatment by
Extensive concern.The factor for influencing microorganism electrolysis cell efficiency includes microorganism in it, anode, cathode, film, waste water substrate
The design of the structure of ingredient and composition and microorganism electrolysis cell.
If the produced gas of cathode is not detached in time, the production hydrogen efficiency of membraneless microbiological electrolytic cell just be will be greatly reduced,
But its methane phase efficiency is without being affected, and object gas methane content produced by microorganism electrolysis cell is closer to natural gas first
The level of alkane content.Further more, methane is easier to manage and store than hydrogen.Therefore, the technology current Hydrogen Energy developed and utilized
For level, the advantage for being engineered and promoting is had more than producing hydrogen using microorganism electrolysis cell methane phase.But microorganism electrolysis cell is still
Hydrogen Energy realizes the research hotspot that clean energy resource engineering technology is broken through.
By preferred microorganism, improve the methods of electrode material and optimization service condition, the efficiency of microorganism electrolysis cell is
Biggish raising is achieved, but there are still cannot achieve according to the water quality and quantity feature of handled sewage and the change of loading condiction
And the purpose of the micro-ecological environment in microorganism electrolysis cell is adjusted in time.Therefore, it needs to give up microorganism electrolysis cell and traditional
Water Anaerobic Microbiological Treatment Technology combines, it is made really to realize engineering, industrialization and commercialization.
Summary of the invention
The technical problems to be solved by the present invention are: providing a kind of Tiny ecosystem period suitching type microorganism electrolysis cell and its fortune
Row method can configure the most suitable valve transfer of exterior line according to the water quality and quantity feature and loading condiction of handled sewage
Mode and switching frequency, so that respectively every indoor Tiny ecosystem corresponding period switching occurs for microorganism electrolysis cell, and generated
Biogas can for close to the mixed gas of natural gas methane content, also can for based on hydrogen producing, with obtain sewage treatment and
The optimal coupling effect of clean energy resource recycling, great flexibility are conducive to microorganism electrolysis cell technology and really realize engineering, work
Industry and commercialization.
Tiny ecosystem period suitching type microorganism electrolysis cell, it is characterized in that: being rectangular parallelepiped structure, and rectangular parallelepiped structure is along length
Direction is averagely divided into four compartments, including compartment I, compartment II, compartment III and compartment IV；It is respectively provided in each compartment
There are a folded plate, respectively folded plate I, folded plate II, folded plate III and folded plate IV, the folded plate is by compartment according to cross sectional area 1:5
Ratio be divided into ascending zone and lower current area；
External pipeline and three valves are provided on the lateral wall of each compartment；
An inlet opening is provided on the lower current area side wall of each compartment, ascending zone is provided with an apopore, respectively
The water outlet hole site being arranged in compartment side walls is higher than water inlet position；
The top of the rectangular parallelepiped structure is provided with upper cover plate, and the position that each compartment is corresponded on upper cover plate is provided with
External circuits preformed hole and air guide preformed hole, each external circuits preformed hole and air guide preformed hole pass through cushion rubber and screw thread
Sealing；
Graphite felt anode and cathode is provided in each compartment, be provided on the graphite felt anode graphite felt and
Stainless steel gasket, the width of the graphite felt are less than the width of folded plate, and hole is reserved in the folded plate upper end and hole is reserved in lower end
Graphite felt is wound in the ascending zone side of folded plate；The stainless steel gasket is fixed on graphite felt top by CARBURIZING FURNACE FOR STAINLESS FASTENER,
And it connects stainless steel wire and upper cover plate and external circuit direct current anode is passed through by external circuits preformed hole corresponding to the compartment of place
It is connected；The stainless steel gasket collects graphite felt electronics；
The cathode includes stainless (steel) wire I, stainless (steel) wire II and stainless steel stent, the stainless (steel) wire I and stainless steel
The geometric center position of net II is connected by stainless steel stent, and the stainless steel stent passes through the external circuits being arranged on upper cover plate
Preformed hole is connect with external circuits direct current cathode；Two pieces of stainless (steel) wires are arranged from the horizontal by 60 ° of angles, two pieces of stainless (steel) wires
Spacing be wide 0.5 times of rectangular parallelepiped structure, the top edge of two pieces of stainless (steel) wires is located at each compartment free surface hereinafter, with freedom
The distance of liquid level is wide 0.1 times of rectangular parallelepiped structure, and two pieces of stainless (steel) wire floor projections are close to anode side and anode plate distance
Wide 0.3 times of rectangular parallelepiped structure, excess-three side are wide 0.1 times of rectangular parallelepiped structure at a distance from compartment side walls.
The center of the external circuits preformed hole is located on two pieces of cornerwise midpoints of stainless (steel) wire floor projection.
The stainless (steel) wire I and stainless (steel) wire II and graphite felt anode and cell partitions are non-contact.
The center of the air guide preformed hole is located on the central point of compartment, and air guide preformed hole can external gas collecting dress
It sets.
The bottom plate of each compartment is equipped with drain hole, for maintenance and emptying.
Tiny ecosystem period suitching type microorganism electrolysis cell biogas generated can be to contain close to natural gas methane
The mixed gas of amount, also can be for based on hydrogen producing.
The operation method of Tiny ecosystem period suitching type microorganism electrolysis cell, it is characterized in that: four compartments are four and through transport
Capable electrolytic cell；Realize that the Tiny ecosystem of four compartments periodically switches by the switching of 12 valves, for the valve of setting
Switching cycle T has adjacent compartments successively switch mode and every two kinds of switch modes of a compartment switch mode；
Successively switch mode is the adjacent compartments, and in the operational process of a switching cycle, each compartment has T/4
Period as water inlet compartment, period of T/4 is sequentially as water outlet compartment, switching flow, in 0 < t < in the T/4 period, every
Room I, compartment II, compartment III, compartment IV；In T/4 < t < in the T/2 period, compartment IV, compartment I, compartment II, compartment III；In T/2 < t
In < 3T/4 the period, compartment III, compartment IV, compartment I, compartment II；In 3T/4 < t < in the T period, compartment II, compartment III, compartment IV,
Compartment I；
The switch mode every a compartment is, in the operational process of a switching cycle, compartment I and compartment III are equal
There is the period of T/2 as water inlet compartment, has the period of T/2 as third compartment；Compartment II and compartment IV have the period of T/2 to make
For second compartment, have the period of T/2 as water outlet compartment, switching flow is sequentially, in 0 < t < in the T/2 period, compartment I, every
Room II, compartment III, compartment IV；In T/2 < t < in the T period, compartment III, compartment IV, compartment I, compartment II.
The compartment quantity that the rectangular parallelepiped structure is divided equally is n, wherein n >=4, valve transfer mode be adjacent compartments successively
Switch mode, every a compartment switch mode to every n-3 compartment switch mode.
Through the above design, the present invention can be brought the following benefits: Tiny ecosystem period suitching type microorganism electricity
Xie Chi and its operation method, four compartments are the electrolytic cell of four parallel runnings；12 valves on exterior line can be passed through
Switching realizes that the Tiny ecosystem of four compartments periodically switches；In the case where valve transfer frequency is the limiting case of zero (not switching),
Tiny ecosystem period suitching type microorganism electrolysis cell sewage treatment efficiency is equal to simple anaerobic baffled reactor (ABR)；And
Under the limiting case of alternative valve switching frequency infinity, become to uniform between each compartment, Tiny ecosystem period suitching type
Microorganism electrolysis cell sewage treatment performance goes out the feature of UASB；Tiny ecosystem week can greatly be enhanced by adjusting switching frequency
The flexibility of phase suitching type microorganism electrolysis cell sewage treatment efficiency, can be according to the water quality and quantity feature and load of handled sewage
Condition to configure most suitable valve transfer mode and switching frequency so that Tiny ecosystem period suitching type microorganism electrolysis cell according to
ABR, UASB or mode therebetween are run, and obtain optimal wastewater treatment efficiency and optimal methane production.Furthermore yin
The configuration design of pole has the effect of gas, liquid, solid three phase separation concurrently, can enhanced sewage processing and efficiency.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is further illustrated:
Fig. 1 is Tiny ecosystem period suitching type microorganism electrolysis cell organic glass main body frame schematic diagram of the present invention.
Fig. 2 is Tiny ecosystem period suitching type microorganism electrolysis cell anode construction schematic diagram of the present invention.
Fig. 3 is Tiny ecosystem period suitching type microorganism electrolysis cell cathode site of the present invention, valve setting and upper cover plate dispatch from foreign news agency
Road preformed hole and air guide preformed hole schematic top plan view.
Fig. 4 is Tiny ecosystem period suitching type microorganism electrolysis cell cathode vertical section schematic diagram of the present invention.
Fig. 5 be Tiny ecosystem period suitching type microorganism electrolysis cell adjacent compartments of the present invention successively 0 < t of switch mode < T/4 when
Section schematic diagram.
Fig. 6 is Tiny ecosystem period suitching type microorganism electrolysis cell adjacent compartments of the present invention successively switch mode T/4 < t < T/2
Period schematic diagram.
Fig. 7 is Tiny ecosystem period suitching type microorganism electrolysis cell adjacent compartments of the present invention successively switch mode T/2 < t < 3T/4
Period schematic diagram.
Fig. 8 be Tiny ecosystem period suitching type microorganism electrolysis cell adjacent compartments of the present invention successively switch mode 3T/4 < t < T when
Section schematic diagram.
Fig. 9 is Tiny ecosystem period suitching type microorganism electrolysis cell of the present invention every a 0 < t of compartment switch mode < T/2 period
Schematic diagram.
Figure 10 is Tiny ecosystem period suitching type microorganism electrolysis cell of the present invention every a compartment switch mode T/2 < t < T period
Schematic diagram.
1- compartment I, 2- compartment II, 3- compartment III, 4- compartment IV, 5- folded plate I, 6- folded plate II, 7- folded plate III, 8- folding in figure
Plate IV, 9- upper cover plate, 10- stainless (steel) wire I, 11- stainless (steel) wire II, 12- stainless steel stent, 13- external circuits preformed hole, 14-
Air guide preformed hole, the upper end 15- reserve hole, 16- stainless steel wire, 17- stainless steel gasket, 18- CARBURIZING FURNACE FOR STAINLESS FASTENER, 19- graphite felt,
The lower end 20- reserve hole, 21- valve I, 22- valve II, 23- valve III, 24- valve IV, 25- valve V, 26- valve VI,
27- valve VII, 28- valve VIII, 29- valve Ⅸ, 30- valve Ⅹ, 31- valve Ⅺ, 32- valve Ⅻ.
Specific embodiment
Tiny ecosystem period suitching type microorganism electrolysis cell is as shown in Figure 1 to 4 long by the opening of organic glass material
Cube structure and upper cover plate 9 are constituted, and are averagely divided into four compartments, including compartment I 1 along its length inside rectangular parallelepiped structure,
Compartment II 2, compartment III 3 and compartment IV 4；A folded plate, respectively folded plate I 5, folded plate II are provided in each compartment
6, compartment is divided into ascending zone and lower current area according to the ratio of cross sectional area 1:5 by folded plate III 7 and folded plate IV 8, the folded plate；
External pipeline and three valves are provided on the lateral wall of each compartment, wherein compartment I 1 is provided with valve I 21, valve
II 22 and valve III 23, compartment II 2 be provided with valve IV 24, valve V 25 and valve VI 26, compartment III 3 is provided with valve
VII 27, valve VIII 28 and valve Ⅸ 29, compartment IV 4 is provided with valve Ⅹ 30, valve Ⅺ 31 and valve Ⅻ 32, described each
It is provided with inlet opening on the lower current area side wall of compartment, is provided with an apopore on ascending zone side wall, in each compartment side walls
The water outlet hole site of setting is higher than water inlet position；
Four compartments are four electrolytic cells of parallel running；Water inlet passes through the inlet opening stream on water inlet compartment lower current area side wall
Enter into water compartment, and then enter the ascending zone of water inlet compartment by the folded plate bottom for compartment of intaking, then by water inlet compartment
Apopore on stream area's side wall flows into next compartment by external pipeline, and so on, until finally by water outlet compartment ascending zone
Apopore outflow on side wall；
The top of the rectangular parallelepiped structure is provided with upper cover plate 9, and the position that each compartment is corresponded on upper cover plate 9 is respectively provided with
There are external circuits preformed hole 13 and air guide preformed hole 14, each external circuits preformed hole 13 and air guide preformed hole 14 pass through
Cushion rubber and screw thread sealing；
It is provided with graphite felt anode and cathode in each compartment, is provided with graphite felt 19 on the graphite felt anode
With stainless steel gasket 17, the width of the graphite felt 19 is less than the width of folded plate, and hole 15 and lower end are reserved in the folded plate upper end
Graphite felt 19 is wound in the ascending zone side of folded plate by reserved hole 20；The stainless steel gasket 17 is solid by CARBURIZING FURNACE FOR STAINLESS FASTENER 18
Due to 19 top of graphite felt, and connects stainless steel wire 16 and upper cover is passed through by external circuits preformed hole 13 corresponding to the compartment of place
Plate 9 is connected with external circuit direct current anode；The stainless steel gasket 17 collects 19 electronics of graphite felt；The width of graphite felt is slightly less than
Folded plate width, and chopping block is detachable, the distance of folded plate lower edge to rectangular parallelepiped structure bottom plate is 3 times~the 5 of 19 thickness of graphite felt
Times, the distance of folded plate top edge to upper cover plate 9 is 1 times~2 times of 19 thickness of graphite felt.
The cathode is two pieces of identical and stacked up and down stainless (steel) wires, including stainless (steel) wire I 10 and stainless (steel) wire
II 11, also play the role of carrying out gas, liquid, solid three phase separation to each compartment ascending zone outlet area.The cathode is by connection two
The stainless steel branch of the geometric center of block stainless (steel) wire, 12 fix its height after upper cover plate 9 by external circuits preformed hole 13
In on external circuits.The stainless steel stent 12 is connected with external circuit direct current cathode.The stainless (steel) wire I 10 and stainless (steel) wire
II 11 are arranged from the horizontal by 60 ° of angles, and the two spacing is wide 0.5 times of cuboid；The top edge of the two is located at each compartment certainly
By liquid level hereinafter, being wide 0.1 times of rectangular parallelepiped structure at a distance from free surface；Bian Yuyang of the two floor projection close to anode
Pole plate distance is wide 0.3 times of cuboid, and excess-three side and compartment distance are wide 0.1 times of cuboid, i.e., two pieces described
Stainless (steel) wire and anode and cell partitions are non-contact.The center of the external circuits preformed hole 13 is located at two blocks of stainless (steel) wire water
On the midpoint of flat projected diagonal.
The metal connection parts of the graphite felt anode and all components of the cathode, can also replace all with Ni-based conjunction
Gold.
The organic glass is with can material substitution non-conductive by remaining and meeting mechanical requirements.
The operating method of Tiny ecosystem period suitching type microorganism electrolysis cell, it is characterized in that: passing through the switching of 12 valves
It realizes that the Tiny ecosystem of four compartments periodically switches, for the valve transfer cycle T of setting, there are adjacent compartments successively to switch mould
Formula and every two kinds of switch modes of a compartment switch mode；
Specific embodiment one, as shown in Fig. 5~Fig. 8, successively switch mode is the adjacent compartments, a switching week
In the operational process of phase T, each compartment has the period of T/4 as water inlet compartment, and the period of T/4 as water outlet compartment, cuts
Change of current journey is sequentially, in 0 < t < in the T/4 period, compartment I 1, compartment II 2, compartment III 3, compartment IV 4；In T/4 < t < T/2 period
It is interior, compartment IV 4, compartment I 1, compartment II 2, compartment III 3；In T/2 < t < in the 3T/4 period, compartment III 3, compartment IV 4, compartment I 1,
Compartment II 2；In 3T/4 < t < in the T period, compartment II 2, compartment III 3, compartment IV 4, compartment I 1；I.e. in the fortune of a switching cycle
During row, each compartment has the period of T/4 as water inlet compartment, and there are also the periods in 1/4 period as water outlet compartment.
Specific embodiment two, as shown in Figure 9 and Figure 10, the switch mode every a compartment are to switch at one
In the operational process of cycle T, compartment I 1 and compartment III 3 have the period of T/2 as water inlet compartment, have the period of T/2 as the
Three compartments；Compartment II 2 and compartment IV 4 have the period of T/2 as second compartment, have the period of T/2 as water outlet compartment, cut
Change of current journey is sequentially, in 0 < t < in the T/2 period, compartment I 1, compartment II 2, compartment III 3, compartment IV 4；In T/2 < t < in the T period,
Compartment III 3, compartment IV 4, compartment I 1, compartment II 2.
The difference of specific embodiment three, present embodiment and aforesaid operations is: can increase rectangular parallelepiped structure along length
The compartment quantity n (n >=4) that direction is divided equally, corresponding valve transfer mode are wrapped in addition to adjacent compartments successively switch mode, also
It includes every a compartment switch mode until several until n-3 compartment switch mode etc..
The difference of specific embodiment four, present embodiment and aforesaid operations is: the metal of the graphite felt anode connects
All components of relay part and the cathode, can also replace all with nickel-base alloy.
The difference of specific embodiment five, present embodiment and aforesaid operations is: the organic glass also can be by remaining
Material substitution that is non-conductive and meeting mechanical requirements.
Claims (8)
1. Tiny ecosystem period suitching type microorganism electrolysis cell, it is characterized in that: being rectangular parallelepiped structure, and rectangular parallelepiped structure is along length side
To being averagely divided into four compartments, including compartment I (1), compartment II (2), compartment III (3) and compartment IV (4)；It is described each every
Interior is provided with a folded plate, respectively folded plate I (5), folded plate II (6), folded plate III (7) and folded plate IV (8), the folded plate
Compartment is divided into ascending zone and lower current area according to the ratio of cross sectional area 1:5；
External pipeline and three valves are provided on the lateral wall of each compartment；
An inlet opening is provided on the lower current area side wall of each compartment, ascending zone is provided with an apopore, each compartment
The water outlet hole site being arranged on side wall is higher than water inlet position；
The top of the rectangular parallelepiped structure is provided with upper cover plate (9), and the position that each compartment is corresponded on upper cover plate (9) is respectively provided with
There are external circuits preformed hole (13) and air guide preformed hole (14), each external circuits preformed hole (13) and air guide preformed hole
(14) it is sealed by cushion rubber and screw thread；
Graphite felt anode and cathode is provided in each compartment, be provided on the graphite felt anode graphite felt (19) and
Stainless steel gasket (17), the width of the graphite felt (19) are less than the width of folded plate, the folded plate upper end reserve hole (15) and
Reserve the ascending zone side that graphite felt (19) is wound in folded plate by hole (20) in lower end；The stainless steel gasket (17) passes through stainless
Steel screw (18) is fixed on graphite felt (19) top, and connects stainless steel wire (16) and pass through external circuits corresponding to the compartment of place
Preformed hole (13) passes through upper cover plate (9) and is connected with external circuit direct current anode；The stainless steel gasket (17) collects graphite felt
(19) electronics；
The cathode includes stainless (steel) wire I (10), stainless (steel) wire II (11) and stainless steel stent (12), the stainless (steel) wire I
(10) it is connected with the geometric center position of stainless (steel) wire II (11) by stainless steel stent (12), the stainless steel stent (12) is worn
The external circuits preformed hole (13) being arranged on upper cover plate (9) is crossed to connect with external circuits direct current cathode；Two pieces of stainless (steel) wires with
Horizontal direction is arranged at 60 ° of angles, and the spacing of two pieces of stainless (steel) wires is wide 0.5 times of rectangular parallelepiped structure, two pieces of stainless (steel) wires it is upper
Edge is located at each compartment free surface hereinafter, being wide 0.1 times of rectangular parallelepiped structure, two pieces of stainless (steel) wires at a distance from free surface
Floor projection is wide 0.3 times of rectangular parallelepiped structure close to anode side and anode plate distance, excess-three side and compartment side walls away from
From for wide 0.1 times of rectangular parallelepiped structure.
2. Tiny ecosystem period suitching type microorganism electrolysis cell according to claim 1, it is characterized in that: the external circuits are pre-
The box out center of (13) is located on two pieces of cornerwise midpoints of stainless (steel) wire floor projection.
3. Tiny ecosystem period suitching type microorganism electrolysis cell according to claim 1, it is characterized in that: the stainless (steel) wire I
(10) and stainless (steel) wire II (11) and graphite felt anode and cell partitions it is non-contact.
4. Tiny ecosystem period suitching type microorganism electrolysis cell according to claim 1, it is characterized in that: the air guide preformed hole
(14) center is located on the central point of compartment, and air guide preformed hole (14) can external gas collecting device.
5. Tiny ecosystem period suitching type microorganism electrolysis cell according to claim 1, it is characterized in that: each compartment
Bottom plate is equipped with drain hole, for maintenance and emptying.
6. Tiny ecosystem period suitching type microorganism electrolysis cell according to claim 1, it is characterized in that: the Tiny ecosystem period
Suitching type microorganism electrolysis cell biogas generated, can for close to natural gas methane content mixed gas, also can for
Based on hydrogen producing.
7. the operation method of Tiny ecosystem period suitching type microorganism electrolysis cell, it is characterized in that: four compartments are four parallel runnings
Electrolytic cell；It realizes that the Tiny ecosystem of four compartments periodically switches by the switching of 12 valves, the valve of setting is cut
Cycle T is changed, there is adjacent compartments successively switch mode and every two kinds of switch modes of a compartment switch mode；
Successively switch mode is the adjacent compartments, in the operational process of a switching cycle, each compartment have T/4 when
Duan Zuowei is intake compartment, and period of T/4 is sequentially as water outlet compartment, switching flow, in 0 < t < in the T/4 period, compartment I
(1), compartment II (2), compartment III (3), compartment IV (4)；In T/4 < t < in the T/2 period, compartment IV (4), compartment I (1), compartment II
(2), compartment III (3)；In T/2 < t < in the 3T/4 period, compartment III (3), compartment IV (4), compartment I (1), compartment II (2)；In 3T/
4 < t < and in the T period, compartment II (2), compartment III (3), compartment IV (4), compartment I (1)；
The switch mode every a compartment is, in the operational process of a switching cycle, compartment I (1) and compartment III (3)
There is the period of T/2 as water inlet compartment, has the period of T/2 as third compartment；Compartment II (2) and compartment IV (4) have T/2
Period as second compartment, have the period of T/2 as water outlet compartment, switching flow is sequentially, in 0 < t < in the T/2 period,
Compartment I (1), compartment II (2), compartment III (3), compartment IV (4)；In T/2 < t < in the T period, compartment III (3), compartment IV (4), every
Room I (1), compartment II (2).
8. the operation method of Tiny ecosystem period suitching type microorganism electrolysis cell according to claim 5, it is characterized in that: described
The compartment quantity that rectangular parallelepiped structure is divided equally is n, wherein n >=4, and valve transfer mode is adjacent compartments successively switch mode, every
Every a compartment switch mode to every n-3 compartment switch mode.
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Inventor after: Liu Xiaolei Inventor after: Leng Lin Inventor after: Zhou Yanchun Inventor after: Wang Nan Inventor after: Ren Nanqi Inventor before: Liu Xiaolei Inventor before: Leng Lin Inventor before: Zhou Yanchun Inventor before: Wang Nan Inventor before: Ren Nanqi Inventor before: Li Baikun |
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Application publication date: 20190517 |