CN108193224A - A kind of hypochlorite generator - Google Patents
A kind of hypochlorite generator Download PDFInfo
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- CN108193224A CN108193224A CN201810142934.7A CN201810142934A CN108193224A CN 108193224 A CN108193224 A CN 108193224A CN 201810142934 A CN201810142934 A CN 201810142934A CN 108193224 A CN108193224 A CN 108193224A
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/01—Products
- C25B1/24—Halogens or compounds thereof
- C25B1/26—Chlorine; Compounds thereof
- C25B1/265—Chlorates
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B11/00—Electrodes; Manufacture thereof not otherwise provided for
- C25B11/04—Electrodes; Manufacture thereof not otherwise provided for characterised by the material
- C25B11/051—Electrodes formed of electrocatalysts on a substrate or carrier
- C25B11/073—Electrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalyst material
- C25B11/075—Electrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalyst material consisting of a single catalytic element or catalytic compound
- C25B11/081—Electrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalyst material consisting of a single catalytic element or catalytic compound the element being a noble metal
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
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- Inorganic Chemistry (AREA)
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Abstract
The invention discloses a kind of hypochlorite generator, which includes electrolytic cell, power supply and brine pump;Electrolytic cell includes compound electrode assembly, compound electrode assembly includes anode plate, cathode plate, the middle plate between anode plate and cathode plate, the surface of the surface of anode plate and one end of the neighbouring anode plate of middle plate has noble coatings, and the noble metal of noble coatings is selected from least one of ruthenium, iridium, palladium, rhodium;The surface of the surface of cathode plate and one end of the adjacent cathodes plate of middle plate has platinum coating;The anode plate of the anode connection electrode component of power supply, the cathode plate of the cathode connection electrode component of power supply, brine pump connect electrolytic cell to supply brine to electrolytic cell by pipeline.Above-mentioned hypochlorite generator has higher electric transformation efficiency, and electrolytic efficiency is high, and power consumption cost significantly reduces.
Description
Technical field
The present invention relates to electrolysis tech field more particularly to a kind of hypochlorite generators.
Background technology
With constantly contaminated and water resource the continuous shortage of water resource on the earth, disinfection water process seems more and more heavier
It will.Cholorination is current the most widely used water sterilization method, is played an important role in terms of pre- waterproof spreads the disease,
Chlorine or hypochlorite (such as NaClO) are added into water, hypochlorous acid (HClO) and hydrochloric acid (HCl) can be generally generated, so as to play
The effect of sterilizing.Hypochlorite generator be it is a kind of be commonly used in production liquor natrii hypochloritis equipment, sodium hypochlorite
Generator can generate the liquor natrii hypochloritis of low concentration, and the liquor natrii hypochloritis of generation can be added in water to be sterilized,
Its Disinfection Effect is good, and it is accurate to add, and safe operation is easy to use, easily stored, to environment nonhazardous, does not generate second of dirt
Dye, very with advantage.
But existing hypochlorite generator there are electrolytic efficiency it is not high the defects of.
Invention content
For overcome the deficiencies in the prior art, the purpose of the present invention is to provide a kind of secondary chlorine that can improve electrolytic efficiency
Hydrochlorate generator.
The purpose of the present invention is realized using following technical scheme:
A kind of hypochlorite generator, the hypochlorite generator include electrolytic cell, power supply and brine pump;
The electrolytic cell includes compound electrode assembly, and the compound electrode assembly includes anode plate, cathode plate, positioned at described
The neighbouring anode plate of middle plate between anode plate and cathode plate, the surface of the anode plate and the middle plate
The surface of one end has noble coatings, and the noble metal of the noble coatings is selected from least one of ruthenium, iridium, palladium, rhodium;Institute
The surface for stating the surface of cathode plate and one end of the neighbouring cathode plate of the middle plate has platinum coating;
The anode of the power supply connects the anode plate of the electrode assembly, and the cathode of the power supply connects the electrode assembly
Cathode plate, the brine pump by pipeline connect the electrolytic cell with to the electrolytic cell supply brine.
Optionally, the surface smoothness of the anode plate, cathode plate and middle plate is 0.1mm~0.2mm.
Optionally, the manufacture craft of the anode plate, cathode plate and middle plate includes:Cutting, first time high annealing
Smoothing, sandblasting and pickling, coating sintering, second of high annealing smoothing, the high annealing of the first time high annealing smoothing
Temperature is 700 DEG C~1000 DEG C, and the high temperature anneal temperature of second of high annealing smoothing is 450 DEG C~500 DEG C.
Optionally, the electrolytic cell further includes shell, multiple water fenders, two sealing elements, the compound electrode assembly position
In in the shell, the multiple water fender is respectively provided with through-hole and is spaced and is set in the compound electrode assembly, the water blocking
Plate is connect between the compound electrode assembly and the inner wall of the shell and with the body seal, described two sealing elements
Sealed set is in the both ends of the shell respectively.
Optionally, the top of the water fender is provided with the stomata of supplied gas circulation, is set on the periphery wall of the water fender
O-ring seal is equipped with, the O-ring seal is between the periphery wall of the water fender and the inner wall of the shell.
Optionally, the compound electrode assembly includes fixed mechanism and at least one combination electrode group;
The fixed mechanism includes anode end seat, cathode end seat and at least three first clamping piece groups, and described at least three the
One intermediate plate group is between the anode end seat and cathode end seat and is alternatively arranged along the first direction, and each first clamping piece group includes
It extends in a first direction, at least one first insulation intermediate plate of spacing side by side setting in a second direction, the first insulation intermediate plate
Both ends along the first direction are respectively provided with groove;
The combination electrode group includes anode plate, cathode plate and middle plate at least one and for odd number, the sun
The anode of pole plate and power supply connects, and the cathode of the cathode plate and power supply connects, the middle plate be located at the anode plate with
It is alternatively arranged between cathode plate and along the first direction, between the anode plate and the adjacent middle plate, two neighboring institute
The projection section stated between middle plate, between the cathode plate and the adjacent middle plate in a second direction is Chong Die,
The both ends of the anode plate be separately fixed in the anode end seat and the even-numbered adjacent with the anode end seat first
In the groove of first insulation intermediate plate of intermediate plate group, the both ends of the middle plate are separately fixed at two neighboring odd-numbered
In the groove of first insulation intermediate plate of first clamping piece group or in the groove of the first insulation intermediate plate of the first clamping piece group of even-numbered,
The both ends of the cathode plate be separately fixed in the cathode end seat and the even-numbered adjacent with the cathode end seat first
In the groove of first insulation intermediate plate of intermediate plate group;
First direction and second direction are vertical.
Optionally, the first clamping piece group of even-numbered further include positioned at least one first insulation intermediate plate both sides and with
Second insulation intermediate plate of the first insulation intermediate plate spacing side by side setting, the both ends tool of the second insulation intermediate plate along the first direction
There is the outer shoulder backwards to the described first insulation intermediate plate, institute is separately fixed at positioned at the both ends of the anode plate of the combination electrode group in outside
It states in anode end seat and the outer shoulder of the second insulation intermediate plate of the first clamping piece group of the even-numbered adjacent with the anode end seat
On, be separately fixed in the cathode end seat positioned at the both ends of the cathode plate of the combination electrode group in outside and with the cathode end seat
On the outer shoulder of second insulation intermediate plate of the first clamping piece group of adjacent even-numbered.
Optionally, the anode plate passes through two neighboring first insulation of the first clamping piece group adjacent with the anode end seat
Between intermediate plate, two of first clamping piece group of the middle plate across the first clamping piece group of two neighboring odd-numbered
Between one insulation intermediate plate or two first of first clamping piece group across the first clamping piece group of two neighboring even-numbered absolutely
Between edge intermediate plate, the cathode plate passes through the two neighboring first insulation intermediate plate of the first clamping piece group adjacent with the cathode end seat
Between.
Optionally, the anode end seat has the multiple spacing for housing the anode plate towards the side of the cathode end seat
The first equal recess portion, the cathode end seat have the multiple spacing for housing the cathode plate towards the side of the anode end seat
The second equal recess portion, the spacing between spacing, two neighboring second recess portion between two neighboring first recess portion
It is identical with the thickness of the described first insulation intermediate plate in a second direction.
Optionally, the fixed mechanism also packet anode end seat axis and cathode end seat axis, the anode end seat axis and cathode terminal
Seat axis is connected in the anode end seat and cathode end seat.
Compared with prior art, the beneficial effects of the present invention are:
The hypochlorite generator of the present invention has higher electric transformation efficiency, and electrolytic efficiency is high, and power consumption cost significantly drops
It is low.
Description of the drawings
Fig. 1 is the stereogram of the hypochlorite generator of the embodiment of the present invention.
Fig. 2 is the front view with partial cross section of the electrolytic cell of the embodiment of the present invention.
Fig. 3 is the vertical view of the electrolytic cell of the embodiment of the present invention.
Fig. 4 is the stereogram of the compound electrode assembly of the embodiment of the present invention.
Fig. 5 is the schematic cross-section of the compound electrode assembly of the embodiment of the present invention.
Fig. 6 is the enlarged drawing of S portion in Fig. 5.
Fig. 7 is the local overlooking schematic diagram of the compound electrode assembly of the embodiment of the present invention.
Fig. 8 is the front view of the first insulation intermediate plate of the embodiment of the present invention.
Fig. 9 is the vertical view of the first insulation intermediate plate of the embodiment of the present invention.
Figure 10 is the front view of the second insulation intermediate plate of the embodiment of the present invention.
Figure 11 is the vertical view of the second insulation intermediate plate of the embodiment of the present invention.
Figure 12 is the anode plate of the embodiment of the present invention or the front view of cathode plate.
Figure 13 is the front view of the middle plate of the embodiment of the present invention.
Figure 14 is the front view of the water fender of the embodiment of the present invention.
Figure 15 is the stereogram of the right angle flange of the embodiment of the present invention.
Figure 16 is the front view of the anode end seat of the embodiment of the present invention.
In figure:1st, hypochlorite generator;2nd, electrolytic cell;11st, anode end seat;111st, the first recess portion;12nd, cathode end seat;
13rd, first clamping piece group;131st, the first insulation intermediate plate;1311st, groove;132nd, the second insulation intermediate plate;1321st, outer shoulder;14th, anode
End seat axis;15th, cathode end seat axis;16th, liquid outlet;20th, combination electrode group;21st, anode plate;22nd, cathode plate;23rd, middle plate;
30th, shell;40th, water fender;41st, through-hole;42nd, stomata;43rd, O-ring seal;50th, sealing element;60th, coaming plate;70th, right angle flange.
Specific embodiment
In the following, with reference to attached drawing and specific embodiment, the present invention is described further, it should be noted that not
Under the premise of conflicting, new implementation can be formed between various embodiments described below or between each technical characteristic in any combination
Example.
Embodiment one
Referring to figs. 1 to Figure 16, the present embodiment provides a kind of compound electrode assembly, which can be hypochlorous acid
The compound electrode assembly of salt generator, more specifically, the compound electrode assembly can be the combination electrode of hypochlorite generator 1
Component below retouches the structure of compound electrode assembly so that compound electrode assembly is applied on hypochlorite generator 1 as an example
It states.
The compound electrode assembly includes fixed mechanism and at least one combination electrode group 20, and the compound electrode assembly is by making
The anode plate 21, cathode plate 22 and middle plate 23 of combination electrode group 20 are fixed with fixed mechanism so that anode plate 21,
Spacing between cathode plate 22 and middle plate 23 keeps stablizing, and overcomes due to the deformation of electrode in electrolytic process and leads to electricity
The defects of interpolar is away from uneven and calorific value increase, it is anti-so as to avoid the formation of by fixed mechanism control electrode spacing in parallel
To electric current, electrolytic efficiency is improved.
Specifically, fixed mechanism includes anode end seat 11,12 and at least three first clamping piece group 13 of cathode end seat.Its
In, at least three first clamping piece groups 13 are between anode end seat 11 and cathode end seat 12 and are alternatively arranged along the first direction, ginseng
According to Fig. 6 and Fig. 7, each first clamping piece group 13 include extend in a first direction, in a second direction spacing side by side setting at least one
A first insulation intermediate plate 131, the both ends of the first insulation intermediate plate 131 along the first direction are respectively provided with groove 1311, optionally, first
Insulation intermediate plate 131 is Plastic clamping piece.In the present embodiment, first direction is the X-direction of diagram, and second direction is the Y-direction of diagram,
X-direction and Y-direction are vertical.
Combination electrode group 20 includes anode plate 21, cathode plate 22 and middle plate 23 at least one and for odd number.Its
In, anode plate 21 is connect with the anode of power supply, and cathode plate 22 is connect with the cathode of power supply, and middle plate 23 is located at 21 He of anode plate
It is alternatively arranged between cathode plate 22 and along the first direction, between anode plate 21 and adjacent middle plate 23, two neighboring centre
Projection section between pole plate 23, between cathode plate 22 and adjacent middle plate 23 in a second direction is Chong Die, in other words, sun
Pole plate 21, middle plate 23, cathode plate 22 two neighboring pole plate between be staggered, but do not connect between two neighboring pole plate
It touches, in the present embodiment, anode plate 21, middle plate 23, cathode plate 22 are to be arranged in parallel.The effect of anode plate 21 is to be electrolysed
Electronics is lost in the process, and analysis chlorine reaction occurs, generates sodium hypochlorite;The effect of cathode plate 22 is that electricity is obtained in electrolytic process
Son, it is corresponding with anode plate 21, hydrogen is precipitated;The effect of middle plate 23 is that one end obtains electronics and serves as cathodic process, separately
One end loses electronics and serves as anode effect, and chlorine is precipitated.Above-mentioned combination electrode group 20 using anode plate 21, middle plate 23,
The interlaced structure type of cathode plate 22 forms the compound electrode assembly of bipolar type series and parallel structure, the structure and acyclic type
Electrode group is compared, and is reduced electric current under identical sodium hypochlorite production conditions, is reduced resistance and voltage, so as to improve electrolysis
Efficiency reduces power consumption cost.
In the present embodiment, the both ends of anode plate 21 are separately fixed at idol in anode end seat 11 and adjacent with anode end seat 11
In the groove 1311 of first insulation intermediate plate 131 of the first clamping piece group 13 of number number, the both ends of middle plate 23 are separately fixed at
The first clamping piece group 13 of two neighboring odd-numbered first insulation intermediate plate 131 groove 1311 in or even-numbered first
In the groove 1311 of first insulation intermediate plate 131 of intermediate plate group 13, the both ends of cathode plate 22 be separately fixed in cathode end seat 12 and
In the groove 1311 of first insulation intermediate plate 131 of the first clamping piece group 13 of the even-numbered adjacent with cathode end seat 12.Wherein, it compiles
Number method is to be numbered along the first direction from the first clamping piece group 13 adjacent with anode end seat 11, even number first clamping piece group
13 be the first clamping piece group 13 of even-numbered, and odd number first clamping piece group 13 is the first clamping piece group 13 of odd-numbered.Pass through
Using above-mentioned fixed mechanism and fixed form so that between the anode plate 21 and middle plate 23 in single combination electrode group 20,
Spacing between cathode plate 22 and middle plate 23 keeps stablizing, while causes the spacing between two neighboring combination electrode group 20
It keeps stablizing, overcomes due to the deformation of electrode in electrolytic process and cause electrode spacing is uneven and calorific value is increased to lack
It falls into, avoids the formation of reverse current, improve electrolytic efficiency.
Optionally, the groove 1311 of the first insulation intermediate plate 131 is located at the midpoint of the side of the first insulation intermediate plate 131, multiple
When combination electrode group 20 arranges in a second direction, in single combination electrode group 20 and between two neighboring combination electrode group 20
Spacing base between anode plate 21 and middle plate 23, between cathode plate 22 and middle plate 23, between two middle plates 23
This is identical, by the length control of the first insulation intermediate plate 131 electrode spacing in parallel, so as to avoid the formation of reverse current, into one
Step improves current efficiency.
With reference to Fig. 7, Figure 10 and Figure 11, the first clamping piece group 13 of even-numbered is further included positioned at least one first insulating blanked clamper
131 both sides of piece and with the second insulation intermediate plate 132 of the first insulation intermediate plate 131 spacing side by side setting, the second insulation intermediate plate 132 is along the
The both ends in one direction have the outer shoulder 1321 backwards to the first insulation intermediate plate 131, in other words, the outer shoulder of the second insulation intermediate plate 132
Platform 1321 is towards the outside of first clamping piece group 13.Optionally, the second insulation intermediate plate 132 is Plastic clamping piece.
Wherein, be separately fixed in anode end seat 11 positioned at the both ends of the anode plate 21 of the combination electrode group 20 in outside and with
On the outer shoulder 1321 of second insulation intermediate plate 132 of the first clamping piece group 13 of the adjacent even-numbered of anode end seat 11, positioned at outer
The both ends of the cathode plate 22 of the combination electrode group 20 of side are separately fixed at idol in cathode end seat 12 and adjacent with cathode end seat 12
On the outer shoulder 1321 of second insulation intermediate plate 132 of the first clamping piece group 13 of number number.Optionally, positioned at the combination electrode in outside
The second insulation intermediate plate 132 that the both ends of the middle plate 23 of group 20 are separately fixed at two adjacent first clamping piece groups 13 is neighbouring
On outer shoulder 1321.The anode of the combination electrode group 20 positioned at outside can be easy to implement by setting the second insulation intermediate plate 132
The fixation of plate 21, middle plate 23, cathode plate 22, the structure of the compound electrode assembly of formation is more regular, convenient for subsequent installation
Coaming plate 60.
Optionally, the quantity of combination electrode group 20 is multiple and is arranged side by side in a second direction, multiple combination electrode groups 20
Anode plate 21 it is in parallel, the cathode plate 22 of multiple combination electrode groups 20 is in parallel, so as to form a kind of bipolar type series and parallel structure
Compound electrode assembly, the structure reduce electric current under identical sodium hypochlorite production conditions, reduce compared with acyclic type electrode group
Resistance and voltage, so as to improving electrolytic efficiency.The quantity of combination electrode group 20 in Fig. 7 is merely to illustrate combination electrode group
The structure of part, the quantity of combination electrode group 20 therein can increase or decrease as needed, be encompassed by the scope of the present invention
It is interior.
With reference to Fig. 8, anode plate 21 passes through two neighboring first insulation of the first clamping piece group 13 adjacent with anode end seat 11
Between intermediate plate 131, first clamping piece group 13 of the middle plate 23 across the first clamping piece group 13 of two neighboring odd-numbered
Two first insulation intermediate plates 131 between or the first clamping piece group 13 across the first clamping piece group 13 of two neighboring even-numbered
Two first insulation intermediate plates 131 between, cathode plate 22 pass through the first clamping piece group 13 adjacent with cathode end seat 12 adjacent two
Between a first insulation intermediate plate 131.Anode plate 21 not only both ends by anode end seat 11, the even-numbered adjacent with anode end seat 11
First clamping piece group 13 the first insulation intermediate plate 131 fixation, and by the first clamping piece group 13 adjacent with anode end seat 11
Two neighboring first insulation intermediate plate 131 is fixed, and middle plate 23 is by the first insulation intermediate plate 131 of adjacent three first clamping piece groups 13
Fixation, cathode plate 22 not only both ends by cathode end seat 12, the first clamping piece group 13 of the even-numbered adjacent with cathode end seat 12
First insulation intermediate plate 131 fixation, and by the first clamping piece group 13 adjacent with cathode end seat 12 two neighboring first absolutely
Edge intermediate plate 131 is fixed so that anode plate 21, four angles of middle plate 23 and cathode plate 22 and centre securely fix, and ensure that
The stability of electrode spacing further overcomes due to the deformation of electrolytic process electrode and causes electrode spacing uneven and generate heat
The defects of amount increases.
With reference to Figure 16, anode end seat 11 is equal towards multiple spacing of the side of cathode end seat 12 with accommodating anode plate 21
The first recess portion 111, cathode end seat 12 has multiple spacing of accommodating cathode plate 22 equal towards the side of anode end seat 11
Second recess portion (not shown), spacing between spacing, two neighboring second recess portion between two neighboring first recess portion 111 and the
The thickness of one insulation intermediate plate 131 in a second direction is identical.One end of anode plate 21 and one end of cathode plate 22 are separately fixed at
In first recess portion 111 of above-mentioned anode end seat 11 and in the second recess portion of cathode end seat 12, there is better fixed effect,
More stablize away from control.
Optionally, fixed mechanism also packet anode end seat axis 14 and cathode end seat axis 15, anode end seat axis 14 and cathode end seat
Axis 15 is connected in anode end seat 11 and cathode end seat 12, and anode end seat axis 14 and cathode end seat axis 15 are convenient for compound electric
Pole component is mounted on the electrolytic cell 2 of hypochlorite generator 1.
Optionally, the surface of one end of the neighbouring anode plate 21 of the surface of anode plate 21 and middle plate 23 has noble metal
Coating (not shown), the noble metal of noble coatings are selected from least one of ruthenium, iridium, palladium, rhodium, and above-mentioned noble coatings have
Extremely strong analysis chlorine activity.The surface of the surface of cathode plate 22 and one end of the adjacent cathodes plate 22 of middle plate 23 is applied with platinum
Layer (not shown), above-mentioned platinum coating have extremely strong hydrogen evolution activity.Flow through the saline solution (sodium chloride of the combination electrode group 20
Aqueous solution) reaction speed is exceedingly fast, and voltage significantly reduces during constant-current electrolysis, and electric transformation efficiency significantly improves, and electrolytic efficiency is high, power consumption
Cost significantly reduces.
The surface smoothness of anode plate 21, cathode plate 22 and middle plate 23 be 0.1mm~0.2mm, above-mentioned high-flatness
Anode plate 21, cathode plate 22 and middle plate 23 can avoid due to the unstability of electrode spacing and lead to electric field distribution not
Uniformly, the problems such as calorific value increase, electrolytic efficiency reduce.
In order to which anode plate 21, cathode plate 22 and middle plate 23 is made to reach above-mentioned high-flatness, anode plate 21, cathode plate 22
Following manufacture craft may be used with middle plate 23, which includes:Cutting, the smoothing of first time high annealing, sandblasting
With pickling, coating sintering, second of high annealing smoothing.Wherein, the high temperature anneal temperature of first time high annealing smoothing is 700
DEG C~1000 DEG C, the high temperature anneal temperature of second of high annealing smoothing is 450 DEG C~500 DEG C.Anode plate 21,22 and of cathode plate
The material of main part of middle plate 23 is titanium plate, and the smoothing of first time high annealing can allow titanium plate to become brittleness from toughness, avoid
Deform during post-production excessive, second of high annealing smoothing can correct the deformation generated in process,
So as to ensure that the flatness of electrode finished product, it can ensure that electrode flatness is very high by the smoothing of high temperature twice.Cutting, sandblasting
Known technology may be used with the specific operation process of pickling, coating sintering, it will not be described here.
Embodiment two
With reference to Fig. 2 to Fig. 5, Figure 14, Figure 15, the present embodiment provides a kind of electrolytic cell 2 of hypochlorite generator, the electrolysis
Slot 2 can be the electrolytic cell applied on hypochlorite generator 1, be applied on hypochlorite generator 1 with electrolytic cell 2 below
For the structure of the electrolytic cell 2 of the present embodiment is described.The electrolytic cell 2 includes shell 30, electrode assembly, multiple water fenders
40th, two sealing elements 50, the mass transfer of the electrolytic cell 2 reduce calorific value, reduction operation energy consumption apart from small, electrolytic efficiency height.
Specifically, electrode assembly is located in shell 30, shell 30 plays electrolytic vessel, in the present embodiment, shell
30 be transparent cylinder shape, and acrylic material can be used, and the liquid outlet 16 of electrolytic cell 2 is connected inside shell 30.Multiple water fenders
40 be respectively provided with through-hole 41 and be spaced be set on electrode assembly, water fender 40 is located between electrode assembly and the inner wall of shell 30 simultaneously
It is tightly connected with shell 30, water fender 40 plays line, and the effect of electrode assembly is that electrolytic chlorination sodium solution generates hypochlorous acid
Sodium.Two sealing elements 50 distinguish sealed sets in the both ends of shell 30, the effect of sealing element 50 be electrode assembly is fixed and
Sealed electrolytic cell 2, optionally, sealing element 50 are flanges.In electrolytic process, under the line effect of water fender 40, the structure
Electrolytic cell 2 can ensure that sodium chloride solution is all flowed through between the anode plate of electrode assembly 21, cathode plate 22, reduce mass transfer
Distance improves electrolytic efficiency.
The top of water fender 40 is provided with the stomata 42 of supplied gas circulation, which can ensure that hydrogen is smoothly discharged,
Realize gas-liquid separation.O-ring seal 43 is provided on the periphery wall of water fender 40, O-ring seal 43 is located at the outer of water fender 40
Between the inner wall of peripheral wall and shell 30, the sealing effect between water fender 40 and shell 30 is improved, ensures that sodium chloride solution is whole
It is flowed through between anode plate 21, cathode plate 22 from electrode assembly.Optionally, which is with preferable antiseptic property
Viton seal ring.
Preferably, electrode assembly is compound electrode assembly, which is the combination electrode of above-described embodiment one
Component by using the fixed mechanism and fixed form of specific structure, overcomes due to the deformation of electrode in electrolytic process and leads
The defects of causing uneven electrode spacing and calorific value increase avoids the formation of reverse current, improves electrolytic efficiency.
Fixed mechanism further includes two coaming plates 60 and multiple right angle flanges 70, and coaming plate 60 is extended in a first direction to pass through gear
The through-hole 41 of water plate 40 and positioned at the outside of at least one combination electrode group 20, right angle flange 70 is located at the outside of coaming plate 60 and same
When connection coaming plate 60 and water fender 40.
Fixed mechanism also packet anode end seat axis 14 and cathode end seat axis 15, anode end seat axis 14 and cathode end seat axis 15 are distinguished
It is connected in anode end seat 11 and cathode end seat 12, anode end seat axis 14 and cathode end seat axis 15 distinguish hermetically passing shell 30
The sealing element 50 at both ends.
Embodiment three
With reference to Fig. 1, the present embodiment provides a kind of hypochlorite generator, which includes electrolytic cell 2, electricity
Source (not shown) and brine pump (not shown), which has the advantages that electrolytic efficiency is high, below with hypochlorous acid
Salt generator is the structure of the hypochlorite generator of the present embodiment to be described for hypochlorite generator 1.
Specifically, electrolytic cell 2 includes compound electrode assembly, compound electrode assembly includes anode plate 21, cathode plate 22, position
Middle plate 23 between anode plate 21 and cathode plate 22.The anode plate 21 of the anode connection electrode component of power supply, power supply
The cathode plate 22 of cathode connection electrode component, the power supply of electrolysis is using high frequency switch power, and transfer efficiency is up to 92%, electric current electricity
Pressure control accuracy reaches 0.5%.Brine pump connects electrolytic cell 2 to supply brine to electrolytic cell 2 by pipeline.
The surface of the surface of anode plate 21 and one end of the neighbouring anode plate 21 of middle plate 23 has noble coatings, expensive
The noble metal of metal coating is selected from least one of ruthenium, iridium, palladium, rhodium, and above-mentioned noble coatings have extremely strong analysis chlorine activity.
The surface of the surface of cathode plate 22 and one end of the adjacent cathodes plate 22 of middle plate 23 has platinum coating, and above-mentioned noble metal applies
Layer has extremely strong analysis chlorine activity.Saline solution (sodium-chloride water solution) reaction speed for flowing through the combination electrode group 20 is exceedingly fast,
Voltage significantly reduces during constant-current electrolysis, and electric transformation efficiency significantly improves, and electrolytic efficiency is high, and power consumption cost significantly reduces.
Optionally, the surface smoothness of anode plate 21, cathode plate 22 and middle plate 23 be 0.1mm~0.2mm, above-mentioned height
Anode plate 21, cathode plate 22 and the middle plate 23 of flatness can avoid leading to electric field due to the unstability of electrode spacing
Be unevenly distributed, calorific value increase, electrolytic efficiency reduce the problems such as.
In order to which anode plate 21, cathode plate 22 and middle plate 23 is made to reach above-mentioned high-flatness, anode plate 21, cathode plate 22
Following manufacture craft may be used with middle plate 23, which includes:Cutting, the smoothing of first time high annealing, sandblasting
With pickling, coating sintering, second of high annealing smoothing.Wherein, the high temperature anneal temperature of first time high annealing smoothing is 700
DEG C~1000 DEG C, the high temperature anneal temperature of second of high annealing smoothing is 450 DEG C~500 DEG C.Anode plate 21,22 and of cathode plate
The material of main part of middle plate 23 is titanium plate, and the smoothing of first time high annealing can allow titanium plate to become brittleness from toughness, avoid
Deform during post-production excessive, second of high annealing smoothing can correct the deformation generated in process,
So as to ensure that the flatness of electrode finished product, it can ensure that electrode flatness is very high by the smoothing of high temperature twice.Cutting, sandblasting
Known technology may be used with the specific operation process of pickling, coating sintering, it will not be described here.
Optionally, electrolytic cell 2 further includes 40, two shell 30, multiple water fenders sealing elements 50, and compound electrode assembly is located at
In shell 30, multiple water fenders 40 are respectively provided with through-hole 41 and are spaced and are set in compound electrode assembly, and water fender 40 is located at compound
It is tightly connected between the inner wall of electrode assembly and shell 30 and with shell 30, two sealing elements 50 distinguish sealed set in shell 30
Both ends.In electrolytic process, under the line effect of water fender 40, the electrolytic cell 2 of the structure can ensure sodium chloride solution
It is all flowed through between the anode plate of electrode assembly 21, cathode plate 22, reduces mass transfer distance, improve electrolytic efficiency.
Preferably, the top of water fender 40 is provided with the stomata 42 of supplied gas circulation, set on the periphery wall of water fender 40
There is O-ring seal 43, O-ring seal 43 is located between the periphery wall of water fender 40 and the inner wall of shell 30.
Preferably, the compound electrode assembly is the compound electrode assembly of above-described embodiment one, by using specific structure
Fixed mechanism and fixed form, overcome causes electrode spacing uneven and calorific value due to the deformation of electrode in electrolytic process
The defects of increase, avoids the formation of reverse current, improves electrolytic efficiency.
Example IV
The present embodiment provides a kind of hypochlorite production system, which includes hypochlorite
Device below retouches the hypochlorite generator of the present embodiment so that hypochlorite generator is hypochlorite generator 1 as an example
It states.
Hypochlorite generator 1 includes electrolytic cell 2, and electrolytic cell 2 is the place of sodium hypochlorite generation, and sodium chloride solution is in electricity
Solve electrolytically generated sodium hypochlorite in slot 2.The electrolytic cell 2 of the present embodiment is the electrolytic cell 2 of embodiment two, in electrolytic process,
Under the line effect of water fender 40, it can ensure sodium chloride solution all from the sun of electrode assembly using the electrolytic cell 2 of the structure
It is flowed through between pole plate 21, cathode plate 22, reduces mass transfer distance, improve electrolytic efficiency.
Optionally, hypochlorite production system further includes power supply, water softener, dissolved salt tank, fluid reservoir and supply device and (does not show
Go out).It can also include PLC control cabinet.Wherein, the effect of power supply is to provide electric energy to electrolytic cell 2, and for being electrolysed, power supply is just
The anode plate 21 of pole connection electrode component, the cathode plate 22 of the cathode connection electrode component of power supply.Water softener connects electrolysis respectively
Slot 2 and dissolved salt tank to supply soft water to electrolytic cell 2 and dissolved salt tank, into dissolved salt tank and electrolytic cell 2 water first pass through water softener into
Row pretreatment reduces the hardness of water, effectively removes Ca, Mg plasma in water, reduce cathode construction in electrolytic process, improves electricity
Solve efficiency.Dissolved salt tank connects electrolytic cell 2 to supply brine, and dissolved salt tank is that industrial purified salt is dissolved into saturated salt solution, saturation
Dilute saline solution is formed after saline solution and the soft water mixed diluting of water softener supply, dilute saline solution is in electrolytic cell 2 through electricity
Solution generation liquor natrii hypochloritis.Fluid reservoir connects electrolytic cell 2 to store the liquor natrii hypochloritis of generation, supply device connection fluid reservoir
To add liquor natrii hypochloritis to pending water.
Optionally, hypochlorite production system further includes thermoregulator, discharge fan and controller (not shown).Wherein,
For thermoregulator for adjusting the temperature of soft water and brine into electrolytic cell 2, thermoregulator plays heating, cooling effect, control
System in preset range, is both avoided that out that liquid temperature is too high into the soft water of electrolytic cell 2 and the temperature of brine, ensures that product is steady
It is qualitative, and activation energy can be improved, reduce power consumption.Hydrogen of the discharge fan for electrolytic cell 2 to be generated is drained, and controller is used to control
The start and stop of hypochlorite production system, control into electrolytic cell 2 soft water and brine temperature and alarm, control hydrogen discharge and
Alarm, control enter at least one in the soft water of electrolytic cell 2 and the flow and alarm of brine, and controller being capable of remote control time
The production of chlorate production system, and production process is monitored and alarmed.Discharge fan drains the hydrogen of generation, controls hydrogen
Gas concentration is in lowest limit explosion ratio 20% hereinafter, simultaneously using density of hydrogen survey meter and controller, and controller is for example
Including PLC hydrogen alarming devices, so as to ensure that the safe operation of hypochlorite production system.PLC control system automatic running,
There are the functions such as temperature alarming, liquid level warning, density of hydrogen alarm.Hypochlorite production system high degree of automation, security performance
The hypochlorite solutions that height, operation energy consumption are low, produce are stablized unattenuated.
Preferably, the electrode assembly of electrolytic cell 2 is the compound electrode assembly of above-described embodiment one, by using specific structure
Fixed mechanism and fixed form, overcome due to the deformation of electrode in electrolytic process and cause electrode spacing uneven and generate heat
The defects of amount increases avoids the formation of reverse current, improves electrolytic efficiency.
It will be apparent to those skilled in the art that technical solution that can be as described above and design, make other various
Corresponding change and deformation, and all these changes and deformation should all belong to the protection domain of the claims in the present invention
Within.
Claims (10)
1. a kind of hypochlorite generator, which is characterized in that the hypochlorite generator includes electrolytic cell, power supply and brine
Pump;
The electrolytic cell includes compound electrode assembly, and the compound electrode assembly includes anode plate, cathode plate, positioned at the anode
One end of the neighbouring anode plate of middle plate between plate and cathode plate, the surface of the anode plate and the middle plate
Surface there are noble coatings, the noble metals of the noble coatings is selected from least one of ruthenium, iridium, palladium, rhodium;Described the moon
The surface of one end of the neighbouring cathode plate of the surface of pole plate and the middle plate has platinum coating;
The anode of the power supply connects the anode plate of the electrode assembly, and the cathode of the power supply connects the moon of the electrode assembly
Pole plate, the brine pump connect the electrolytic cell to supply brine to the electrolytic cell by pipeline.
2. hypochlorite generator according to claim 1, which is characterized in that the anode plate, cathode plate and dynode
The surface smoothness of plate is 0.1mm~0.2mm.
3. hypochlorite generator according to claim 1, which is characterized in that the anode plate, cathode plate and dynode
The manufacture craft of plate includes:Cutting, the smoothing of first time high annealing, sandblasting and pickling, coating sintering, second of high annealing school
Flat, the high temperature anneal temperature of the first time high annealing smoothing is 700 DEG C~1000 DEG C, second of high annealing smoothing
High temperature anneal temperature be 450 DEG C~500 DEG C.
4. hypochlorite generator according to claim 1, which is characterized in that the electrolytic cell further includes shell, multiple
Water fender, two sealing elements, the compound electrode assembly are located in the shell, between the multiple water fender is respectively provided with through-hole simultaneously
Spacer is located in the compound electrode assembly, and the water fender is between the compound electrode assembly and the inner wall of the shell
And connect with the body seal, described two sealing elements distinguish sealed set in the both ends of the shell.
5. hypochlorite generator according to claim 4, which is characterized in that the top of the water fender is provided with gas supply
The stomata of body circulation, is provided with O-ring seal on the periphery wall of the water fender, the O-ring seal is located at the water fender
Periphery wall and the shell inner wall between.
6. hypochlorite generator according to claim 1, which is characterized in that the compound electrode assembly includes fixed machine
Structure and at least one combination electrode group;
The fixed mechanism includes anode end seat, cathode end seat and at least three first clamping piece groups, at least three first folder
Piece group is between the anode end seat and cathode end seat and is alternatively arranged along the first direction, and each first clamping piece group is included along the
At least one first insulation intermediate plate of the extension of one direction, in a second direction spacing side by side setting, the first insulation intermediate plate is along the
The both ends in one direction are respectively provided with groove;
The combination electrode group includes anode plate, cathode plate and middle plate at least one and for odd number, the anode plate
It is connect with the anode of power supply, the cathode connection of the cathode plate and power supply, the middle plate is located at the anode plate and cathode
Be alternatively arranged between plate and along the first direction, between the anode plate and the adjacent middle plate, it is two neighboring it is described in
Between projection section between pole plate, between the cathode plate and the adjacent middle plate in a second direction it is Chong Die, it is described
The both ends of anode plate are separately fixed in the anode end seat and the first clamping piece of the even-numbered adjacent with the anode end seat
In the groove of first insulation intermediate plate of group, the both ends of the middle plate are separately fixed at the first of two neighboring odd-numbered
It is described in the groove of first insulation intermediate plate of intermediate plate group or in the groove of the first insulation intermediate plate of the first clamping piece group of even-numbered
The both ends of cathode plate are separately fixed in the cathode end seat and the first clamping piece of the even-numbered adjacent with the cathode end seat
In the groove of first insulation intermediate plate of group;
First direction and second direction are vertical.
7. hypochlorite generator according to claim 6, which is characterized in that the first clamping piece group of even-numbered is also
Including the second insulating blanked clamper for being located at least one first insulation intermediate plate both sides and being set with the described first insulation intermediate plate spacing side by side
Piece, the both ends of the second insulation intermediate plate along the first direction have the outer shoulder backwards to the described first insulation intermediate plate, positioned at outside
The both ends of anode plate of combination electrode group be separately fixed at even number in the anode end seat and adjacent with the anode end seat
On the outer shoulder of second insulation intermediate plate of the first clamping piece group of number, positioned at the both ends point of the cathode plate of the combination electrode group in outside
It is not fixed in the cathode end seat and the second insulating blanked clamper of the first clamping piece group of the even-numbered adjacent with the cathode end seat
On the outer shoulder of piece.
8. hypochlorite generator according to claim 6, which is characterized in that the anode plate passes through and the anode tap
Between the two neighboring first insulation intermediate plate of the adjacent first clamping piece group of seat, the middle plate passes through two neighboring odd-numbered
First clamping piece group between two first of first clamping piece group insulation intermediate plates between or the across two neighboring even-numbered
Between two first insulation intermediate plates of the first clamping piece group between one intermediate plate group, the cathode plate passes through and the cathode end seat phase
Between the two neighboring first insulation intermediate plate of adjacent first clamping piece group.
9. hypochlorite generator according to claim 6, which is characterized in that the anode end seat is towards the cathode terminal
The side of seat has equal the first recess portion of multiple spacing for housing the anode plate, and the cathode end seat is towards the anode tap
The side of seat has equal the second recess portion of multiple spacing for housing the cathode plate, between two neighboring first recess portion
Spacing between spacing, two neighboring second recess portion is identical with the thickness of the described first insulation intermediate plate in a second direction.
10. hypochlorite generator according to claim 6, which is characterized in that the fixed mechanism also packet anode end seat
Axis and cathode end seat axis, the anode end seat axis and cathode end seat axis are connected in the anode end seat and cathode end seat.
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CN109972164A (en) * | 2019-04-28 | 2019-07-05 | 江苏永冠给排水设备有限公司 | A kind of bipolarity electrolysis unit |
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