A kind of novel homogeneous EDBM equipment containing heat sink
Technical field
This utility model relates to a kind of electrodialysis plant, especially relate to a kind of containing heat sink novel all
Phase EDBM equipment.
Background technology
Electrodialysis engineering is one of emerging membrane separating engineering, and it is under the effect of applying direct current electric field,
Anions and canons in water does directed movement, so that electrolyte ion part in solution is separated.Electric osmose
Analysis is the high efficient separation technology being characterized with the ion exchange membrane of effects of ion selective penetrated property, various natural
Water desalination, sea water concentrate salt manufacturing, waste water processes and play an important role in the industry such as food, health care industry.
Electrodialysis plant is mainly made up of membrane stack, electrode, water pipe and water pump, and the water in tank is led to by water pump
The mode crossing pressurization enters membrane stack from water pipe.Chinese patent discloses a kind of 1, the electric osmose of ammediol fermentation liquid
Analysis desalter (Authorization Notice No.: CN 201175649Y), this equipment includes membrane stack, electrode and clamping dress
Put.Bolt is used to be tightened to cathode combination electrode and membrane stack by anode combination electrode by two pieces, left and right pressure strip
One entirety, membrane stack is by cation exchange membrane, anion exchange membrane, enriched chamber's dividing plate, desalting chamber's dividing plate group
Become;Electrode is by the anode combination electrode being placed in anode pouring plate and the cathode sets being placed in negative electrode pouring plate
Composite electrode forms;Anode chamber and cathode chamber are respectively provided with the left and right sides of membrane stack, at anode combination electrode and negative electrode
Concentrated solution latex vessel and drain pipe and desalinization liquor liquid-in pipe and drain pipe, anolyte are installed on compound electrode end plate
Liquid-in pipe and drain pipe, catholyte liquid-in pipe and drain pipe;Clamping device is in anode combination electrode and cathode sets
The outside of composite electrode is provided with two pieces of pressure strips, bolt Gu Cheng be electrodialyzer;Enriched chamber's dividing plate and desalting chamber every
The centre of plate is fluid course supporting network, and the peripheral part at enriched chamber's dividing plate and desalting chamber's dividing plate is dividing plate
Frame;The position up and down of dividing plate frame is respectively liquid inlet/outlet and dosing hole, at the position up and down of fluid course supporting network
And it is respectively arranged with cloth liquid bath runner between liquid inlet/outlet.This device is prevented from the seepage of liquid, improves de-
Salt speed, unique shortcoming is as the operation of electrodialysis plant, and its device temperature can gradually rise, and works as temperature
During more than 40 DEG C, the performance of homogeneous membrane can be gradually reduced, and the life-span can be greatly shortened.
Utility model content
This utility model provides a kind of novel homogeneous EDBM equipment containing heat sink, and it is mainly to biography
The electrodialysis plant of system is optimized.The electrodialysis plant of conventional electrodialysis equipment is mainly by membrane stack, electrode, water
Pipe and water pump form, and the water in tank is entered membrane stack from water pipe by the way of pressurization by water pump.Membrane stack is provided with
Light room, room, pole and dense room, each lead into fresh water, pole water and dense water.But it is as the operation of electrodialysis plant,
Its device temperature can gradually rise, and when temperature is more than 40 DEG C, the performance of homogeneous membrane can be gradually reduced, the life-span
Can be greatly shortened.
Above-mentioned technical problem of the present utility model is mainly addressed by following technical proposals:
Novel homogeneous EDBM equipment containing heat sink, is provided with chiller, fresh water, pole water and dense water in equipment
Inlet pipeline by after described chiller respectively with homogeneous membrane membrane stack electrodialysis fresh water inlet, electrodialysis
Water inlet water dense with electrodialysis inlet in pole is connected, homogeneous membrane membrane stack is respectively equipped with electrodialysis fresh water liquid outlet,
Electrodialysis pole water liquid outlet and electrodialysis dense water liquid outlet.
On the basis of such scheme, this utility model additionally provides following preferred version.
As a kind of optimal way, described chiller is plate type heat exchanger, movable tube sheets heat exchanger, consolidates
Fixed tube plate type heat exchanger or U-tube sheet heat exchanger.
As a kind of optimal way, described homogeneous membrane membrane stack includes pressure strip, homogeneous membrane and dividing plate, two
Some groups of staggered homogeneous phase cation exchange films and homogeneous-phase anion exchange film it is clamped with between block pressure strip,
Wherein the both sides near pressure strip are homogeneous phase cation exchange film, arrange dividing plate, homogeneously between adjacent two layers film
Positive pole and negative pole it is respectively equipped with on film membrane stack.
Further, described pressure strip is PVC material, PP material, PVDF material or metal material.
As a kind of optimal way, the pipeline in equipment is PVC material.
As a kind of optimal way, equipment frame is located on support.
As a kind of optimal way, it is additionally provided with three water tanks, described light room, room, pole and the water inlet of dense room
Pipeline is connected from different water tanks respectively and supplies water, and the outlet pipeline of light room, room, pole and dense room recirculates back to
The water tank that it is supplied water.
This utility model solves existing electrodialysis plant in running, and device temperature can gradually rise
Problem, make electrodialysis running temperature be able to maintain that in certain scope, thus the meeting in service life of homogeneous membrane
Being greatly increased, the running of equipment is more stable.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of novel homogeneous EDBM equipment containing heat sink;
Fig. 2 is homogeneous membrane film stacking structure schematic diagram of the present utility model;
Parts, position and numbering in figure: support 1, chiller 2, homogeneous membrane membrane stack 3, water tank 4, water pump 5,
Electrodialysis fresh water inlet 6, electrodialysis fresh water liquid outlet 7, electrodialysis dense water inlet 8, the dense water of electrodialysis
Liquid outlet 9, electrodialysis pole water inlet 10, electrodialysis pole water liquid outlet 11 and pressure strip 12.
Detailed description of the invention
With detailed description of the invention the present invention it is further elaborated below in conjunction with the accompanying drawings and illustrates.In the present invention
The technical characteristic of each embodiment, on the premise of not colliding with each other, all can carry out respective combination.
As it is shown in figure 1, a kind of novel homogeneous EDBM equipment containing heat sink, this equipment includes
Support 1, chiller 2, homogeneous membrane membrane stack 3, water tank 4, water pump 5, electrodialysis fresh water inlet 6, electricity
Dialysis fresh water liquid outlet 7, electrodialysis dense water inlet 8, electrodialysis dense water liquid outlet 9, electrodialysis pole water enter
Liquid mouth 10, electrodialysis pole water liquid outlet 11 and pressure strip 12.For the ease of operation, all devices is all set up in
On support 1.Three inlet pipeline one end of fresh water, pole water and dense water needed for homogeneous membrane membrane stack 3 connect respectively
Three different water tanks 4, supply water.Inlet pipeline by water pump 5 enter after chiller 2 respectively with all
Phase film membrane stack 3 electrodialysis fresh water inlet 6, electrodialysis pole water inlet 10 and electrodialysis dense water inlet 8
It is connected.Chiller 2 is carried out cooling water circulation.It is respectively equipped with electrodialysis fresh water on homogeneous membrane membrane stack 3 and goes out liquid
Mouth 7, electrodialysis pole water liquid outlet 11 and electrodialysis dense water liquid outlet 9.
As in figure 2 it is shown, homogeneous membrane membrane stack 3 includes pressure strip 12, homogeneous membrane and dividing plate, two pieces of pressure strips
Some groups of staggered homogeneous phase cation exchange films and homogeneous-phase anion exchange film it is clamped with, wherein between 12
It is homogeneous phase cation exchange film near the both sides of pressure strip 12, between adjacent two layers film, dividing plate is set, homogeneously
Positive pole and negative pole it is respectively equipped with on film membrane stack 3.In homogeneous membrane membrane stack 3, positive pole and negative pole both sides are respectively room, pole,
Membrane stack is some groups of staggered light rooms and dense room between room, pole.Room, two pole is interconnected, from a pole
Room intakes, from another room, pole water outlet.The closed cycle between the water tank 4 of room, pole and supply pole water of pole water.Light
Supplied water by same fresh water inlet pipeline in room, then looped back the water tank 4 provided sweet water by same outlet pipeline.
Supplied water by same dense water inlet pipeline in dense room, then looped back the water tank supplying dense water by same outlet pipeline
4。
Chiller 2 can use plate type heat exchanger, movable tube sheets heat exchanger, fixed tube-sheet exchanger or U
Shape tubular sheet heat exchanger.Pressure strip 12 can use PVC material, PP material, PVDF material or metal material.
Pipeline in equipment can use PVC material.
Using above-mentioned electrodialysis plant, membrane stack selects staggered homogeneous phase cation exchange film with equal further
Phase anion exchange membrane.Both sides are cation exchange membrane, press from both sides dividing plate between adjacent two side forms.At room temperature,
Said apparatus carries out desalting processing to 3.5%NaCl solution, and the conductance recording NaCl solution is 50ms/cm.
This solution of 500L circulates in side, light room, and 500L water circulates in side, dense room, external direct current power supply voltage
Constant 250V, after processing 25 minutes, dense room conductance brings up to more than 90ms/cm, and light room conductance is reduced to
5000 below μ s/cm.
The foregoing is only specific embodiment of the utility model, but architectural feature of the present utility model is not
Being confined to this, any those skilled in the art is in field of the present utility model, and the change made or modification are all
Contain among the scope of the claims of the present utility model.