SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the defects of the prior art are overcome, and the electrolytic chamber and the electrolytic cell which are suitable for feeding liquid in the middle part are provided to solve the problems that the prior electrolyte circulation mode is unreasonable, the electrolyte mass transfer efficiency is low, and the electrolytic cell is influenced to prepare hydrogen (oxygen) gas.
The utility model provides a technical scheme that its technical problem adopted is:
an electrolytic chamber suitable for liquid inlet at the middle part is provided with a plurality of liquid inlets, and is suitable for inputting electrolyte from the middle part of the electrolytic chamber so that the electrolyte flows from the middle part of the electrolytic chamber to the edge;
the edge of the electrolysis chamber is respectively provided with a plurality of oxygen outlets and hydrogen outlets which are suitable for outputting the oxygen and the hydrogen generated in the electrolysis chamber.
Furthermore, the electrolysis chamber is of an annular structure, and each liquid inlet is formed in an annular hole.
Further, comprise
The partition piece comprises an outer partition ring, an inner partition ring and a partition plate, wherein the inner end and the outer end of the partition plate are respectively connected with the inner partition ring and the outer partition ring;
an inner seal and an outer seal disposed between the two annulus spacers;
the two spacers clamp the two sealing pieces to form an annular electrolytic chamber;
the inner partition ring is provided with a plurality of liquid inlets;
the outer space ring is provided with an oxygen outlet and a hydrogen outlet, and the outer sealing element is provided with a plurality of oxygen through holes suitable for communicating the oxygen outlets of the adjacent outer space rings; and a plurality of hydrogen through holes are formed and are suitable for being communicated with the hydrogen outlets of the adjacent outer space rings.
Furthermore, a plurality of equal division plates are circularly distributed in the annular electrolytic chamber so as to divide the annular electrolytic chamber into a plurality of independent fan-shaped sub electrolytic chambers;
at least one liquid inlet is arranged on the ring hole in the middle of each fan-shaped sub-electrolysis chamber, and at least one oxygen outlet hole and at least one hydrogen outlet hole are arranged on the edge of each fan-shaped sub-electrolysis chamber.
Further, the device comprises a spacer which is formed by connecting an outer spacer, an inner spacer and a partition;
an inner seal and an outer seal disposed between the two annulus spacers;
the two spacers clamp the two sealing pieces to form an annular electrolytic chamber;
the equal division plate is fixedly connected with the outer spacing ring, the inner spacing ring and the partition plate of the spacing piece;
the partition plates of the two partition pieces are in one-to-one correspondence and are mutually attached to divide the annular electrolytic chamber into a plurality of independent fan-shaped sub electrolytic chambers;
the inner partition ring is provided with a plurality of liquid inlets; the number of the liquid inlets corresponds to the number of the fan-shaped sub-electrolysis chambers;
the outer space ring is provided with an oxygen outlet and a hydrogen outlet, and the outer sealing element is provided with a plurality of oxygen through holes suitable for communicating the oxygen outlets of the adjacent outer space rings; and a plurality of hydrogen through holes are formed and are suitable for being communicated with the hydrogen outlets of the adjacent outer space rings.
In another aspect, the electrolytic cell adopts the electrolytic chamber suitable for middle liquid inlet;
a plurality of electrolysis chambers are mutually overlapped and combined;
each middle annular hole forms a liquid inlet channel;
the oxygen outlets of the annular electrolytic chambers are communicated in a one-to-one correspondence manner to form an oxygen output channel;
the hydrogen outlets of the annular electrolytic chambers are communicated in a one-to-one correspondence manner and form a hydrogen output channel.
The utility model has the advantages that:
the electrolytic chamber and the electrolytic cell are provided, the electrolyte is output from the middle to the peripheral edge instead, and the conveying distance of the electrolyte is changed to be half of the original conveying distance under the condition that the diameter of the electrolytic chamber is not changed, so that the electrolyte can be efficiently transferred in the electrolytic chamber; or when the transmission distance is equal, the area of the electrolytic chamber is increased by 4 times, and the electrolytic cell is used for preparing hydrogen (oxygen), so that the yield of the hydrogen (oxygen) can be improved by four times.
The distribution of the circular partition plates in the electrolytic chamber can ensure that the electrolyte is more uniformly distributed to the edge, thereby avoiding the problems of uneven flow direction and the like of the electrolyte caused by potential difference.
Detailed Description
The invention will now be further described with reference to specific embodiments. The drawings are simplified schematic diagrams only illustrating the basic structure of the present invention in a schematic manner, and thus show only the components related to the present invention.
Example one
As shown in fig. 1 to 3, an electrolytic chamber suitable for feeding liquid from the middle part is provided with a plurality of liquid inlets at the middle part, and is suitable for feeding electrolyte from the middle part of the electrolytic chamber so that the electrolyte flows from the middle part of the electrolytic chamber to the edge; the edge of the electrolytic chamber is respectively provided with a plurality of oxygen outlets 5 and hydrogen outlets 4 which are suitable for outputting the oxygen and the hydrogen generated in the electrolytic chamber.
Optionally, the electrolysis chamber is of an annular structure, and each liquid inlet is formed in an annular hole. The shape of the electrolytic cell may be selected from other shapes such as a square, a rectangle, etc.;
specifically, the spacer, the inner seal 32, and the outer seal 31;
the spacer is formed by connecting an outer spacer ring 1, an inner spacer ring 2 and a partition plate 6, and the inner end and the outer end of the annular partition plate 6 are fixedly connected with the inner spacer ring 2 and the outer spacer ring 1 respectively to form an integral piece;
the inner seal 32 and the outer seal 31 are arranged between the two annular spacers; the two spacers clamp the two sealing pieces to form an annular electrolytic chamber;
the inner spacer 2 is provided with a plurality of liquid inlets; an oxygen outlet 5 and a hydrogen outlet 4 are formed in the outer space ring 1, and a plurality of oxygen through holes are formed in the outer sealing element 31 and are suitable for communicating the oxygen outlets 5 of the adjacent outer space rings 1; and a plurality of hydrogen through holes 31A adapted to communicate with the hydrogen outlet holes 4 of the adjacent outer space rings 1.
The internal structure of the electrolysis chamber of the utility model has the same principle as the structure of the existing electrolysis chamber;
in this embodiment, preferably, the inside of the electrolysis chamber is provided with the ionic membrane 7, the ionic membrane 7 is vertically arranged in the electrolysis chamber, the electrolytic chamber is divided into a cathode chamber and an anode chamber by the ionic membrane 7, a cathode plate is arranged in the cathode chamber, an anode plate is arranged in the anode chamber, the anode chamber produces oxygen, the produced oxygen (with part of electrolyte) is discharged from the oxygen outlet 5, and the produced hydrogen (with part of electrolyte) is discharged from the hydrogen outlet 4.
In this embodiment, the cathode plate and the anode plate are made of nickel wire mesh;
preferably, a support frame and a support net are further arranged between the negative plate and the partition plate, the support frame is a corrugated plate and used for supporting the negative plate, and a flow guide groove is formed in the corrugated plate and suitable for guiding the electrolyte below upwards; similarly, a support frame and a support net are also arranged between the anode plate and the separator plate, and the support frame and the support net are suitable for guiding the electrolyte below upwards while supporting the anode plate.
The oxygen outlet 5 and the hydrogen outlet 4 on the spacer ring have the same structure, the end surfaces of two sides of the air hole are flat and are used for being in sealing fit with the sealing element or the spacer ring, but the end surface of one side of the air hole is provided with a radial communicating port 41, and the radial communicating port 41 is used for communicating the corresponding anode chamber or cathode chamber; the structures of the oxygen outlet 5 and the hydrogen outlet 4 are the prior art, and the structures of the oxygen outlet 5 and the hydrogen outlet 4 on the partition ring 2 in the existing electrolytic cell are directly referred to.
Referring to fig. 3 for specific description, in fig. 3, the hydrogen through hole 31A communicates with the hydrogen outlet holes 4 on the outer space rings 1 on both sides, the hydrogen outlet hole 4 on the left side communicates with the cathode chamber of the electrolysis chamber through the radial communication port 41, so that hydrogen (or part of electrolyte) in the cathode chamber on the left side can be output to the hydrogen outlet hole 4 together, the anode chamber on the right side does not communicate with the radial communication port 41 on the space ring on the right side, and because the hydrogen is blocked by the partition plate 6 on the right side, the anode chamber on the right side can communicate with the radial communication port 41 of the oxygen outlet hole 5, thereby outputting oxygen.
In the embodiment, the electrolyte is output from the middle to the peripheral edge instead, and the conveying distance of the electrolyte is changed to be half of the original conveying distance under the condition that the diameter of the electrolytic chamber is not changed, so that the electrolyte can be efficiently transferred in the electrolytic chamber; or when the transmission distance is equal, the area of the electrolytic chamber is increased by 4 times, and the electrolytic cell is used for preparing hydrogen (oxygen), so that the yield of the hydrogen (oxygen) can be improved by four times.
Example two
The present embodiment is based on the first embodiment, and is further improved from the first embodiment;
the arrangement of the electrolytic chamber can be vertical or horizontal, and in order to overcome the influence of gravity on the flow of the electrolyte in the whole electrolytic chamber, therefore, in the embodiment, a plurality of equal division plates 8 are circularly distributed in the annular electrolytic chamber so as to divide the annular electrolytic chamber into a plurality of independent fan-shaped sub electrolytic chambers; the middle ring hole of the single fan-shaped sub-electrolysis chamber is provided with a corresponding liquid inlet, and the edge of the single fan-shaped sub-electrolysis chamber is provided with at least one oxygen outlet 5 and at least one hydrogen outlet 4.
In this embodiment, the number of the partition plates 8 is eight, and the partition plates are divided into eight independent fan-shaped sub-electrolysis chambers. As shown in figure 4 of the drawings,
specifically, the structure corresponding to the electrolytic chamber also comprises a spacer, an inner sealing element 32 and an outer sealing element 31, wherein the spacer is formed by connecting an outer spacer 1, an inner spacer 2 and a partition 6; the inner seal 32 and the outer seal 31 are arranged between the two annular spacers; the two spacers clamp the two sealing pieces to form an annular electrolytic chamber;
eight partition plates 8 are fixedly arranged on the partition pieces, the eight partition plates 8 are circularly distributed on the partition plate 6, the partition plates 8 are respectively and fixedly connected with the outer partition ring 1, the inner partition ring 2 and the partition plate 6, when the two partition pieces form an electrolytic chamber, the partition plates 8 on the two partition pieces correspond to one and are mutually attached to form a pair of partition plates 8, eight pairs of partition plates 8 are formed in the whole electrolytic chamber, and the electrolytic chamber is divided into eight independent fan-shaped sub electrolytic chambers through the eight pairs of partition plates 8.
Correspondingly, the inner spacer 2 is provided with a plurality of liquid inlets; the number of the liquid inlets corresponds to the number of the fan-shaped sub-electrolysis chambers; an oxygen outlet 5 and a hydrogen outlet 4 are formed in the outer space ring 1, and a plurality of oxygen through holes are formed in the outer sealing element 31 and are suitable for communicating the oxygen outlets 5 of the adjacent outer space rings 1; and a plurality of hydrogen through holes 31A adapted to communicate with the hydrogen outlet holes 4 of the adjacent outer space rings 1.
In this embodiment, the previous annular electrolytic chamber is divided into eight fan-shaped electrolytic chambers by the dividing plate 8 arranged in the electrolytic chamber, and the single fan-shaped electrolytic chamber is provided with the inlet liquid and the outlet gas.
EXAMPLE III
Based on the electrolytic chambers in the first embodiment and the second embodiment;
an electrolytic cell adopts the electrolytic chamber with the liquid fed from the middle part;
a plurality of electrolysis chambers are mutually overlapped and combined, and the fixing mode among the electrolysis chambers is only that the axial locking and fixing are carried out by the means in the prior art;
the inner partition rings 2 of all the electrolysis chambers are kept in sealing fit through inner sealing elements 32, and annular holes in the inner partition rings 2 form liquid inlet channels;
the outer space ring 1 of each electrolytic chamber keeps sealed joint through an outer sealing element 31, the oxygen outlet holes 5 of each outer space ring 1 are communicated in a one-to-one correspondence mode to form an oxygen output channel, the oxygen output channel is communicated with the anode chambers of each electrolytic chamber, and a plurality of oxygen output channels exist and are finally converged into a total oxygen output port on an end plate of the electrolytic cell;
the hydrogen outlets 4 of each outer space ring 1 are communicated in a one-to-one correspondence manner to form a hydrogen output channel, the hydrogen output channel is communicated with the cathode chambers of the electrolysis chambers, and a plurality of hydrogen output channels are finally converged into a total hydrogen output port on an end plate of the electrolysis cell;
as shown in fig. 5, the electrolytic cell assembly of the first embodiment is adopted;
as shown in fig. 6, the electrolytic cell assembly of the second embodiment is adopted;
the electrolytic cell of the embodiment is applied to chlor-alkali electrolysis hydrogen production, and corresponding oxygen is changed into chlorine.
The electrolytic cell is applied to water electrolysis hydrogen production, when the water electrolysis hydrogen production is carried out, electrolyte is input into an electrolytic chamber from a liquid inlet in the middle for reaction, hydrogen and oxygen are separated, the hydrogen and part of the electrolyte are discharged from a hydrogen outlet, a mixture of the hydrogen and the electrolyte is separated through a gas-liquid separator, and the separated hydrogen is filled for use; and discharging oxygen and part of electrolyte from an oxygen outlet, separating the oxygen and electrolyte mixture through a gas-liquid separator, and filling the separated oxygen for use.
The electrolytic cell of the present embodiment can also be applied to a hydrogen fuel cell; when the electrolytic cell is used as a hydrogen fuel cell, the operation flow of the electrolytic cell is opposite, when the electrolytic cell is used as a hydrogen production tool, electricity is consumed to generate gas, and when the electrolytic cell is used as the hydrogen fuel cell, the electricity is consumed to generate gas (hydrogen and oxygen);
when the electrolytic cell is used as a hydrogen fuel cell, hydrogen and oxygen are input from a hydrogen output port and an oxygen output port, gas flows from the edge of the electrolytic chamber to the center, and the gas passes through the surface of the electrode along with the gas in the electrolytic chamber, so that the anode rod and the cathode rod which are connected with the electrolytic chamber generate corresponding current, the gas concentration in the electrolytic chamber is reduced, the diffusion gradient of electrolyte to the surface of the electrode is reduced, unfavorable mass transfer (the mass transfer speed is reduced), the occurrence of electrode reaction is not facilitated, and the power generation efficiency is improved.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.