CN209428194U - It is a kind of based on the chlorination equipment filtered in porous electrode - Google Patents

Abstract

The utility model discloses a kind of based on the chlorination equipment filtered in porous electrode, and the chlorination equipment includes reaction chamber and is fixed on the indoor electrode filter membrane of reaction；Electrode filter membrane and reaction chamber are coaxially disposed, and electrode filter membrane includes the anode being cascading, electrode interlayer and cathode；Anode and cathode is made of porous conductive material, and electrode interlayer is made of cellular insulant material；End cap is respectively set in the both ends of reaction chamber, offers the inlet and outlet communicated with inside reaction chamber respectively in two end cap；The side wall of reaction chamber offers the wire jack for installing conducting wire, and the anode and cathode of electrode filter membrane passes through conducting wire respectively and connect with the anode of power supply on the outside of reaction chamber and cathode.The utility model does not need to add any chemical reagents, it is only necessary to which high standard disinfection can be realized in extremely low voltage, low residence time, and sterilization efficiency is high, and generates without disinfection by-products.

Description

It is a kind of based on the chlorination equipment filtered in porous electrode

Technical field

The utility model relates to electrochemical disinfection technology fields more particularly to a kind of based on the disinfection filtered in porous electrode Device.

Background technique

Electrochemical disinfection technology has that Disinfection Effect is good, without secondary pollution, high degree of automation, process object are extensively etc. excellent Point has application advantage outstanding in recycled water and drinking water disinfection field.Electrochemical reaction is substantially a kind of solid-liquid circle The electron transfer reaction in face, solid liquid phase contact area and electrode potential are the principal elements for determining reaction speed.Electrochemical disinfection Mechanism mainly includes that the direct effect of electric field and the indirect oxidation of active material act on, and two kinds of effects are respectively depending on motor activity Surface area and electrode advantage.

Traditional electrochemical reactor mostly uses anodic-cathodic positioned opposite and water flow is by the configuration passed through between the two, should Lesser response area will limit its direct disinfection in configuration, need to generate active material by high voltage, realization disappears Toxic action, therefore the restrictions such as its large-scale application is poor by mass transfer ability, and stability is weak, energy consumption is high.

Utility model content

To solve the above-mentioned problems, the purpose of the utility model is to provide a kind of based on the disinfection filtered in porous electrode dress It sets.

It is provided by the utility model based on the chlorination equipment filtered in porous electrode, including reaction chamber and be fixed on reaction chamber Interior electrode filter membrane；Electrode filter membrane and reaction chamber are coaxially disposed, and electrode filter membrane includes the anode being cascading, electricity Pole interlayer and cathode；Anode and cathode is made of porous conductive material, and electrode interlayer is made of cellular insulant material；Reaction chamber Both ends end cap is respectively set, offer the inlet and outlet communicated with inside reaction chamber respectively in two end cap；Reaction chamber Side wall offer the wire jack for installing conducting wire, the anode and cathode of electrode filter membrane passes through respectively on the outside of conducting wire and reaction chamber The anode of power supply is connected with cathode.

It in the above-mentioned technical solutions, can be with enhancement microbiological and electricity using porous conductive material as internal filtering type electrode The contact probability and area of pole surface then improve the mass transfer and direct oxidation disinfecting power of disinfecting system, are at low voltage The efficient inactivation of microorganism can be achieved.

Preferably, two end cap up and down direction is arranged, and inlet and outlet are provided with upper end cover and lower cover, electrode respectively Cathode, electrode interlayer and anode in filter membrane are arranged from top to bottom；Alternatively, inlet and outlet are provided with lower cover respectively And upper end cover, cathode, electrode interlayer and anode in electrode filter membrane are arranged from top to bottom.

In the above-mentioned technical solutions, the utility model is leading disinfection mechanism based on anodic oxidation, by using postposition The arrangement mode of anode, anode can use the hydroxide ion of cathode generation, realize the direct oxygen of microorganism under alkaline condition The purpose for changing inactivation can effectively reduce energy consumption and improve the utilization efficiency of electric current.

Preferably, every group of electrode filter membrane includes 1 layer of anode and at least 2 layers of cathode, adjacent two cathode by electrode interlayer every It opens.

Preferably, the voltage of power supply is 1-5V.

Preferably, the voltage of power supply is 1-5V.

Preferably, electrode filter membrane be 1-5 group disposed in parallel, and and power sources in parallel, two adjacent groups electrode filter membrane by Electrode interlayer separates.

Preferably, electrode filter membrane is circle, and diameter 1-10cm, the thickness of anode and cathode is 0.1-1cm, electrode Interlayer with a thickness of 0.1-0.3mm.

Chlorination equipment provided by the utility model has the advantages that

(1) structure is simple, easy to use；

(2) Germicidal Efficacy is preferable, has good inactivating efficacy to pathogenic microorganism common in water；

(3) it does not need to add any chemical reagents, it is only necessary to which high standard disinfection, sterilization efficiency can be realized in extremely low voltage Height, and generated without disinfection by-products.

Detailed description of the invention

Fig. 1 is the structural schematic diagram based on the chlorination equipment filtered in porous electrode；

Schematic diagram when Fig. 2 is combining form of the electrode filter membrane using more cathodes pairing single anode；

Structural schematic diagram when Fig. 3 is the parallel connection of multi-group electrode filter membrane；

Fig. 4 is the transverse sectional view of reaction chamber cell board；

Fig. 5 is cross-sectional view of the reaction chamber cell board in the direction A-A；

Fig. 6 is the structural schematic diagram that reaction chamber cell board inner wall one end opens up annular groove；

Fig. 7 is the structural schematic diagram that end cap is conical structure.

Wherein, 1, electrode filter membrane；11, anode；12, electrode interlayer；13, cathode；2, reaction chamber；21, chamber unit is reacted Plate；22, sealed groove；23, mounting hole；24, wire jack；25, rubber stopper；26, annular groove；3, end cap；31, water inlet；32, Water outlet；33, porous support plate.

Specific embodiment

The utility model is described further with reference to the accompanying drawing.

It is provided by the utility model based on the chlorination equipment filtered in porous electrode, as shown in Figure 1, include 2 He of reaction chamber The electrode filter membrane 1 being fixed in reaction chamber 2, electrode filter membrane 1 and reaction chamber 2 are coaxially disposed；Electrode filter membrane 1 is by successively layer Anode 11, electrode interlayer 12 and the cathode 13 of folded setting are suppressed；Anode 11 and cathode 13 are made of porous conductive material, Electrode interlayer 12 is made of cellular insulant material；End cap 3 is respectively set in the both ends of reaction chamber 2, offered respectively in two end cap 3 with The water inlet 31 and water outlet 32 communicated inside reaction chamber 2；The side wall of reaction chamber 2 offers the wire jack 24 for installing conducting wire, The anode 11 and cathode 13 of electrode filter membrane 1 are connect by conducting wire with the anode of power supply on the outside of reaction chamber and cathode respectively.

The disinfection side for making water flow filter electrochemical oxidation out of electrode interior passes through electrode is provided in utility model Reaction efficiency can be improved in method, reduces energy consumption, improves the service life of electrode, electrochemistry goes out to organic matter degradation and microorganism The oxidation living for essentially consisting in anode；It, can be with enhancement microbiological and electricity using porous conductive material as internal filtering type electrode The contact probability and area of pole surface then improve the mass transfer and direct oxidation disinfecting power of disinfecting system, in low-voltage (power supply Voltage be 1-5V) under the efficient inactivation and organic matter degradation of microorganism can be realized increased for mass transfer using this method Convection current (microorganism contacts electrode, reaction product concentration gradient), increases than " flat flow " and " stirring-type ".

Preferably, 3 up and down direction of two end cap is arranged, and water inlet 31 and water outlet 32 are provided with upper end cover and lower end respectively It covers, cathode, electrode interlayer and the anode in electrode filter membrane are arranged from top to bottom, alternatively, inlet and outlet open up respectively Cathode, electrode interlayer and anode in lower cover and upper end cover, electrode filter membrane are arranged from top to bottom.

Above-mentioned technical proposal be based on anodic oxidation (its contribution accounts for 70% or more) be dominate disinfection mechanism, by using The arrangement mode of postposition anode, water flow first contact the cathode of electrode filter membrane, and electrode reaction occurs, and generate hydroxide ion, make Solution ph increases, and the microorganism in water flow is negatively charged, to make microorganism be easier to contact anode, when water flow contacts anode again When, microorganism and positive contact in water lose electronics, it is oxidized inactivation, meanwhile, the H of anode generation⁺Cathode production can be neutralized Raw OH^-, further promote anode reaction, realize low-voltage, microorganism efficient inactivation and organic matter is fast under the low residence time Prompt drop solution is effectively reduced energy consumption and improves the utilization efficiency of electric current；Meanwhile the electrode reaction of cathode can generate a small amount of peroxide hydrogen radical (HO₂ ^-), and peroxide hydrogen radical has stronger oxidisability, can inactivate to microorganism direct oxidation, further increase microbiological oxidation The degree of inactivation realizes efficient inactivation.By the way of this anode postposition, the removal rate of organic matter is compared to cathode postposition Mode is at least higher by 30-40%, so the mode of preferred anodes postposition.

It is preferably made from porosity of=90%, aperture >=100 μm of porous conductive material used in anode and cathode.Specifically Ground, anode and cathode can be metal foam (silver nanowires, titanium foam, copper oxide and cupric oxide nano line etc.), carbon fibre material The porous carbon-based electrode such as (such as graphite fibre felt, carbon fiber felt, carbon cloth etc.), carbon nanotube foam, grapheme foam and The aperture of the porous metal electrodes such as titanium foam, these materials is much larger than general micro-filtration or ultrafiltration membrane aperture, does not need too high fortune Row pressure after energization, can inactivate the bacterium that can not be retained because aperture is too big, to play the role of disinfection；Electrode every The common cellular insulant material of layer choosing, for example, common filter cloth, filter paper or plastic spacer etc. can be used, filter cloth can be with Common middling speed or fast quantification filter paper are selected, plastic spacer can choose the porous plastics net that aperture is lower than 10 microns.

Preferably, electrode filter membrane 1 is circle, and a diameter of 1-10cm, the thickness of anode and cathode is 0.1-1cm, Electrode interlayer with a thickness of 0.1-0.3mm, preferably 0.15mm.

After the flow rate of water flow of processing becomes larger, the hydroxide ion cumulative effect of cathode is lower, and loses the excellent of postposition anode Gesture, Disinfection Effect in parallel is poor, in order to solve this problem, it is preferable that electrode filter membrane matches the group of single anode using more cathodes Unit form is closed, after multilayer cathode is handled, the strong basicity liquid treatment fluid of generation will flow into anode, and microorganism is in alkaline condition It is lower that direct oxidation effect easily occurs, it can realize that microorganism complete inactivation, this assembled unit set-up mode make at low voltage Unit disinfecting power is obviously improved, and is greatly shortened the hydraulic detention time of unit, also be can effectively avoid the excessive oxygen of microorganism The problem of energy dissipation caused by changing or being broken and subsequent competition sterilize site

Specifically, every group of electrode filter membrane includes 1 layer of anode 11 and at least 2 layers of cathode 13, and adjacent two cathode 13 is by electrode Interlayer 12 separates, as shown in Figure 2；It preferably, include 2-10 layers of cathode 13 in every group of electrode filter membrane 1.

In order to strengthen the disinfecting power of electrode, the scheme of multiple groups (at least two groups) electrode filter membrane parallel connection can be selected, So that water sample to be processed is successively passed through the disinfection of multi-group electrode filter membrane, achievees the purpose that sterilize completely；Specifically, electrode filter membrane 1 is, by direction and power sources in parallel and 1-5 group disposed in parallel, two adjacent groups electrode filter membrane 1 is by electricity along water sample to be sterilized Pole interlayer 12 separates, and water sample to be sterilized successively passes through every group of electrode filter membrane, as shown in Figure 3.

For the sterilization method of above-mentioned porous electrode internal filtering type, the processing water and total process water yield of every group of parallel units Be it is identical, water increase can shorten haptoreaction time of microorganism and electrode, and microorganism inactivates in front end units, is broken The cell fragment and intracellular matter of broken generation can continue that electrochemical reaction occurs in postposition unit, with active microorganism Competition disinfection site, thus effective disinfection water flow of serious limitation electrode internal filtering type, therefore, it is necessary to treat disinfection water sample Water be defined, with guarantee effectively disinfection, it is preferable that water 25-500mL/min.

Preferably, reaction chamber 2 is formed by reaction chamber cell board 21 is stacked on top of one another, opens up cylinder centered on reaction chamber cell board The plate structure of type electrode cavity can be rectangular slab or circular slab；As illustrated in figures 4-5, it is opened on the end face of reaction chamber cell board 21 Equipped with sealed groove 22, also two sides can be opened up with side and are opened up, sealing ring is installed, to guarantee adjacent in sealed groove 22 Leakproofness between two reaction chamber cell boards；The quadrangle of reaction chamber cell board 21 opens up mounting hole 23, and fixing piece passes through peace Reaction chamber cell board 21 is fixed together by dress hole 23, specifically, can also open up mounting hole in two end cap 3, and fixing piece is by two End cap 3, reaction chamber 2 are fixed together；Specifically during installation, the diameter and thickness of reaction chamber cell board and electrode (including anode With cathode) diameter and thickness it is consistent, so as to which equably electrode is fixed in reaction chamber, due to the thickness of electrode interlayer It can be directly fitted between two neighboring reaction chamber cell board, and make the straight of electrode interlayer for 0.1-0.3mm than relatively thin Diameter is less than the diameter of sealed groove, guarantees sealing performance；For the ease of the installation of conducting wire, the side of each reaction chamber cell board 21 Wall opens up the wire jack 24 for installing conducting wire, and conducting wire can be installed in rubber stopper 25, as shown in fig. 7, the end of conducting wire Expose rubber stopper, then rubber stopper is inserted into wire jack 24, contacts wire termination with electrode, and the outer end of conducting wire and Positive pole or cathode connection on the outside of reaction chamber, conducting wire can be Titanium, platinum etc., and diameter can be 0.5-2mm；Power supply can be Dry cell or button cell.

As another embodiment, when the thickness of electrode interlayer is thicker, 21 inner wall one end of reaction chamber cell board can be opened If annular groove 26, as shown in fig. 6, being used for the installation of electrode interlayer 12, the diameter of electrode interlayer 12 is straight slightly larger than electrode at this time Diameter.

Preferably, inlet and outlet are provided with respectively on upper end cover and lower cover namely water flow flows from top to bottom, At this point, cathode, electrode interlayer and anode in electrode filter membrane are from top to bottom in order to make water flow first pass through cathode using anode Arrangement, water flow can successively pass through cathode and anode by self gravitation effect, save energy consumption.

Preferably, water inlet 31 and water outlet 32 are conical opening, and the big opening end of conical opening is towards 2 inner cavity of reaction chamber, The collection of conical opening being provided with conducive to water distribution and tail water, prevents dead angle；Invagination is equipped with circle at the big opening end of conical opening The porous support plate 33 of shape guarantees that electrode filter membrane is smooth and is firmly secured at as shown in fig. 7, being used to support electrode filter membrane In reaction chamber.

Specifically, end cap can be rectangular parallelepiped structure, as shown in Figure 1, conical structure can also be provided directly as, such as scheme Shown in 7, conical water inlet or water outlet are then opened up inside it.

According to the specific requirements of disinfection, one group of electrode filter membrane unit can be only set in reaction chamber, may also set up multiple groups Electrode filter membrane unit in parallel, wherein every group of electrode filter membrane unit can be the assembled unit that single cathode matches single anode Form is also possible to the assembled unit form that more cathodes match single anode.

In carrying out practically, the raw water containing microorganism is pumped into this by water inlet and sets the sterilizing equipment decontaminating apparatus provided in the present embodiment In standby, after multistage cathode treatment, microorganism becomes strong basicity, subsequent anode directly under oxidation by bacteria inactivation rate, After the processing of multi-group electrode filter membrane unit, sterile water can be collected into water outlet.

It is (including thin that sterilization method and chlorination equipment provided by the utility model can be used for killing the multiple-microorganism in water removal Bacterium: Escherichia coli, enterococcus faecalis, colibacillus of excrement, bacillus subtilis etc.；Virus: MS 2, F 2 etc.；Gemma etc.) and water Middle micro quantity organic pollutant (antibiotic, antisludging agent, bacteriostatic agent etc.).

Chlorination equipment provided by the utility model has following effective effect:

(1) structure is simple, easy to use, the components without additional complexity；

(2) Germicidal Efficacy is preferable, has good inactivating efficacy to pathogenic microorganism common in water；

(3) it does not need to add any chemical reagents, it is only necessary to extremely low voltage (1-5V), low residence time (1-10s) Realize high standard disinfection, energy consumption is small, and sterilization efficiency is high, and generates without disinfection by-products, has wide practical use.

Embodiment described above only expresses the numerous embodiments of the utility model, and description is more specific and detailed Carefully, but it should not be understood as limiting the scope of the patent of the utility model.It should be pointed out that for the general of this field For logical technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these are all Belong to the protection scope of the utility model.

Claims (9)

1. a kind of based on the chlorination equipment filtered in porous electrode, which is characterized in that the chlorination equipment include reaction chamber (2) and It is fixed on the indoor electrode filter membrane (1) of reaction, electrode filter membrane and reaction chamber are coaxially disposed；Electrode filter membrane includes successively layer Anode (11), electrode interlayer (12) and the cathode (13) of folded setting；Anode and cathode is made of porous conductive material, electrode every Layer is made of cellular insulant material；The both ends of reaction chamber are respectively set end cap (3), offered respectively in two end cap in reaction chamber The water inlet (31) and water outlet (32) that portion communicates；The side wall of reaction chamber offers the wire jack (24) for installing conducting wire, electrode The anode and cathode of filter membrane passes through conducting wire respectively and connect with the anode of power supply on the outside of reaction chamber and cathode.

2. according to claim 1 based on the chlorination equipment filtered in porous electrode, which is characterized in that two end cap upper and lower To setting, inlet and outlet are provided with upper end cover and lower cover respectively, cathode, electrode interlayer and sun in electrode filter membrane Pole is arranged from top to bottom；

Alternatively, inlet and outlet are provided with lower cover and upper end cover respectively, cathode, electrode interlayer in electrode filter membrane and Anode is arranged from top to bottom.

3. according to claim 1 based on the chlorination equipment filtered in porous electrode, which is characterized in that every group of electrode filtering Film includes that 1 layer of anode and at least 2 layers of cathode, adjacent two cathode are separated by electrode interlayer.

4. according to claim 1 based on the chlorination equipment filtered in porous electrode, which is characterized in that the voltage of power supply is 1-5V。

5. according to claim 1 based on the chlorination equipment filtered in porous electrode, which is characterized in that electrode filter membrane is 1-5 group disposed in parallel, and separated with power sources in parallel, two adjacent groups electrode filter membrane by electrode interlayer.

6. according to claim 1 based on the chlorination equipment filtered in porous electrode, which is characterized in that electrode filter membrane is Circle, diameter 1-10cm, the thickness of anode and cathode are 0.1-1cm, electrode interlayer with a thickness of 0.1-0.3mm.

7. according to claim 1 based on the chlorination equipment filtered in porous electrode, which is characterized in that reaction chamber is by center Open up cylindrical type electrode cavity reaction chamber cell board (21) it is stacked on top of one another form, sealing is offered on the end face of reaction chamber cell board Groove (22), sealed groove is interior to install sealing ring, and the periphery of reaction chamber cell board opens up mounting hole (23), and fixing piece passes through installation Reaction chamber cell board is fixed together by hole.

8. according to claim 7 based on the chlorination equipment filtered in porous electrode, which is characterized in that water inlet and water outlet It mouthful is conical opening, and the big opening end of conical opening is equipped with porous support plate at the big opening end of conical opening towards reaction chamber inner cavity (33)。

9. according to claim 7 based on the chlorination equipment filtered in porous electrode, which is characterized in that reaction chamber cell board One side wall open up the wire jack (24) for installing conducting wire, the conducting wire one end connecting with electrode is installed on rubber stopper (25) Interior, rubber stopper is exposed in the end of conducting wire, and rubber stopper is inserted into wire jack, contacts wire termination with electrode.