CN209178155U - A kind of Industrial Recirculating Cooling Water system for advanced treatment and recycle - Google Patents
A kind of Industrial Recirculating Cooling Water system for advanced treatment and recycle Download PDFInfo
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- CN209178155U CN209178155U CN201821837884.6U CN201821837884U CN209178155U CN 209178155 U CN209178155 U CN 209178155U CN 201821837884 U CN201821837884 U CN 201821837884U CN 209178155 U CN209178155 U CN 209178155U
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Abstract
The utility model relates to the industries Industrial Recirculating Cooling Water system for advanced treatment and recycle such as a kind of petrochemical industry, power plant, steel mill's metallurgy.A kind of Industrial Recirculating Cooling Water system for advanced treatment and recycle, hardness unit is removed including filter element, level-one electrochemical desalting unit, second level electrochemical desalting unit, three-level absorbing unit, electrochemistry, regeneration unit, sewage raw water remove hard unit, and the pipeline and water pump of connection；By the close connection of each system unit, the circulation of processing and inside respectively for different quality is, it can be achieved that final outflow water water yield is not less than 95%, and salt rejection rate is not less than 80%, and the final water that produces is reused as industrial water.Whole system can generate the waste water no more than 5%, this effluent part can after the processing of plant area's sewage plant qualified discharge, can also be used as the bored pulp water of plant area and use.
Description
Technical field
The utility model belongs to Industrial Water Saving technical field, is related to the water process of Industrial Recirculating Cooling Water advanced treatment and reclamation
A kind of technology, and in particular to the industries Industrial Recirculating Cooling Water system for advanced treatment and recycle such as petrochemical industry, power plant, steel mill's metallurgy.
Background technique
Recirculated cooling water is to use water sport in industrial water.In the industries such as petrochemical industry, electric power, steel, metallurgy, circulation
The dosage of cooling water accounts for the 50~90% of enterprise water use total amount.Recirculated cooling water constantly recycles in pipeline, due to evaporation loss
The reason of, water will constantly be concentrated, and the salt, hardness plasma concentration after water is concentrated to certain multiple in water are too high to will affect system
It operates normally, it is necessary to certain concentrated water be discharged, and supplement new water.If the water of supplement water will be reached after this part blowdown water process
Matter can save the new water consumption of most.The utility model is exactly to solve this problem.
Utility model content
The technical issues of in order to solve circulating sewage reuse, the utility model proposes a kind of Industrial Recirculating Cooling Water it is deep
Spend treatment for reuse system.Water treatment system and processing method involved in the utility model can be adapted for petrochemical industry, power plant,
The advanced treatment and reclamation of the Industrial Recirculating Cooling Water of the industries such as steel mill's metallurgy.
To achieve the above object, the utility model uses following technical scheme:
A kind of Industrial Recirculating Cooling Water system for advanced treatment and recycle, including filter element, level-one electrochemical desalting unit, two
Grade electrochemical desalting unit, three-level absorbing unit, electrochemistry remove hardness unit, and the pipeline and water pump of connection；Wherein:
Filter element, including the raw water tank 1 and raw water accurate filter 2 that are sequentially communicated and concentrated water accurate filter 3,
Raw water accurate filter 2 is connected to the freshwater room C5 of level-one electrochemical desalting membrane stack 4, and concentrated water accurate filter 3 is connected to level-one
The concentrated water room C4 of electrochemical desalting membrane stack 4；
Level-one electrochemical desalting unit, including level-one electrochemical desalting membrane stack 4 and level-one concentrated water circulating tank 5, level-one electrification
The freshwater room C5 water inlet for learning desalination membrane stack 4 is connected to raw water accurate filter 2, the freshwater room C5 of level-one electrochemical desalting membrane stack 4
Water outlet is connected to active carbon adsorption column, i.e., the level-one fresh water through 4 desalination of level-one electrochemical desalting membrane stack flows into active carbon adsorption column；
The concentrated water room C4 water inlet of level-one electrochemical desalting membrane stack 4 is connected to concentrated water accurate filter 3, level-one electrochemical desalting membrane stack simultaneously
The entrance of 4 concentrated water room C4 water outlet connection level-one concentrated water circulating tank 5, i.e., the level-one through 4 desalination of level-one electrochemical desalting membrane stack
Condensed water flows into level-one concentrated water circulating tank 5, and the outlet of level-one concentrated water circulating tank 5 is respectively communicated with electrochemical reaction column 10 and concentrated water is accurate
Filter 3；The concentrated water accurate filter 3 constitutes a circulation loop with level-one electrochemical desalting unit；
Three-level absorbing unit, including the active carbon adsorption column and ion-exchange absorption attached column 8 being sequentially communicated；The filtering list
Member constitutes sewage raw water regeneration purification access with level-one electrochemical desalting unit, three-level absorbing unit；
Electrochemistry removes hardness unit, including the chemicals dosing plant 9, electrochemical reaction column 10, rapid filter 11 being sequentially communicated
With water softener tank 12；Electrochemical reaction column 10 accepts connection level-one concentrated water circulating tank 5, and it is de- that water softener tank 12 is connected to second level electrochemistry
13 freshwater room C5 of salt membrane stack；
Second level electrochemical desalting unit, including interconnected second level electrochemical desalting membrane stack 13 and second level concentrated water circulating tank
14,13 freshwater room C5 water inlet of second level electrochemical desalting membrane stack is connected to water softener tank 12,13 fresh water of second level electrochemical desalting membrane stack
Room C5 water outlet is connected to raw water tank 1, i.e., the second level fresh water through 13 desalination of second level electrochemical desalting membrane stack is recycled to raw water tank 1；Together
When second level electrochemical desalting membrane stack 13 concentrated water room C4 water inlet and water outlet be respectively communicated with second level concentrated water circulating tank 14, i.e., through two
The secondary concentration water of 13 desalination of grade electrochemical desalting membrane stack is back to second level electrochemical desalting film by second level concentrated water circulating tank 14
13 concentrated water room C4 of heap carries out circulation concentration, and 14 concentrated water high position overflow discharge of second level concentrated water circulating tank is emitted into plant area's sewage treatment
It stands or is used as bored pulp water；The filter element removes hardness unit, second level with level-one electrochemical desalting unit, electrochemistry
Electrochemical desalting unit constitutes circulation loop.
Further, the structure of the level-one electrochemical desalting membrane stack 4 and second level electrochemical desalting membrane stack 13, both ends by
It is outer to be followed successively by compression frame A, end pole plate B to interior and alternately folded by cation-exchange membrane C1, partition C2, anion-exchange membrane C3
The membrane stack C of composition is put, electrode is provided in the end pole plate B at both ends, is handed over inside membrane stack C by cation-exchange membrane C1, anion
The empty room for changing film C3 and partition C2 composition forms concentrated water room C4 and freshwater room C5.
Further, water is flow to down and upper flowing in the active carbon adsorption column of the three-level absorbing unit, and active carbon is extremely
The active carbon of upper and lower discharge, in this way guarantee upper layer is always new, and lower layer's saturated activity charcoal enters saturated activity canister 15
Middle storage.
Further, the active carbon adsorption column of the three-level absorbing unit includes that two level-ones for being sequentially connected in series connection are living
Property charcoal adsorption column 6 and second order activity charcoal adsorption column 7.
Further, the three-level absorbing unit connects regeneration unit, and the regeneration unit includes regenerating active carbon
Unit and ion exchange adsorption column regeneration unit.
Further, the regenerating active carbon unit includes the saturated activity canister 15 being sequentially communicated, dehydrator 16, again
Raw furnace 17, cooling bath 18, chute feeder 19 and regenerating tank 20, saturated activity canister 15 are connected to active carbon adsorption column lower end, are saturated
Charcoal canister 15 is connected to dehydrator 16, sloughs and enters regeneration treatment in regenerating furnace 17 in active carbon after excessive moisture, after regeneration
Active carbon enter after cooling bath 18 is cooled to room temperature enter chute feeder 19, chute feeder 19 is connected to regenerating tank 20, after regeneration
Active carbon is all collected in regenerating tank 20, and regenerating tank 20 is connected to primary activity charcoal adsorption column 6 and second order activity charcoal adsorption column 7
Upper end, when in active carbon adsorption column active carbon reduce when, by regenerating tank 20 active carbon be sent into adsorption column upper end.
Further, the ion exchange adsorption column regeneration unit includes the salt dissolving water pot 22 and desorption liquid being sequentially communicated
Storage tank 21；Liquid storage tank 21 is desorbed and connects ion-exchange absorption attached column 8, by desorption liquid storage tank after 8 adsorption saturation of ion-exchange absorption attached column
Desorption liquid counter-current regeneration in 21 prepares desorption liquid in salt dissolving water pot 22 and leads when desorption liquid deficiency in liquid storage tank 21 is desorbed
Enter to be desorbed in liquid storage tank 21.
Further, the electrochemical reaction column 10 is surrounded using using aluminium as central anode with stainless steel plate
Cylindrical shape is used as cathode, is embedded into inside plastic casing.
Further, a kind of Industrial Recirculating Cooling Water system for advanced treatment and recycle further includes removing hard unit, described
Be set to filter element except hard unit before, the sewage raw water of excessive high hardness is handled.
Further, the hard unit that removes includes inclined-plate clarifying basin 23, and hardness is arranged in 23 water inlet of inclined-plate clarifying basin
Remover adding set, 23 water outlet of inclined-plate clarifying basin go out PH regulator adding set is arranged.
When utility model works, raw water to be processed is stored in raw water tank 1, passes through raw water accurate filter 2 by intake pump
The freshwater room C5 of level-one electrochemical desalting membrane stack 4 is squeezed into, while the primary concentration water in level-one concentrated water circulating tank 5 is recycled by concentrated water
Pump 5 squeezes into the concentrated water room C4 of level-one electrochemical desalting membrane stack 4 by concentrated water accurate filter 3, and level-one electrochemical desalting membrane stack 4 has
Two parts water outlet, is level-one desalination water and primary concentration water respectively, and level-one desalination water is discharged after entering the processing of three-level absorbing unit
Reuse up to standard, primary concentration water enter electrochemistry except hardness unit goes hardness in water removal, and electrochemistry enters except the water outlet of hardness unit
Second level electrochemical desalting unit.Second level electrochemical desalting unit has two parts water outlet, is second level desalination water and secondary concentration respectively
Water, second level desalination water return to raw water tank 1, and secondary concentration water is back to second level electrochemical desalting membrane stack through second level concentrated water circulating tank 14
13 concentrated water room C4 carry out circulation concentration, and 14 concentrated water high position overflow discharge of second level concentrated water circulating tank is emitted into plant area's Sewage Disposal
Or it is used as bored pulp water.
The beneficial effect of the utility model compared with prior art is:
By the close connection of each system unit, for the processing respectively of different quality and internal circulation, it can be achieved that most
Water outlet water yield is not less than 95% eventually, and salt rejection rate is not less than 80%, and the final water that produces is reused as industrial water.Whole system
The waste water no more than 5% can be generated, this effluent part can through plant area's sewage plant processing after qualified discharge, can also be used as plant area
Bored pulp water uses.
The utility model is suitable for the industries such as petrochemical industry, power plant, steel mill's metallurgy.
The utility model can be widely popularized in fields such as the water treatment technologies of advanced treatment of wastewater reuse based on the above reasons.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The some embodiments recorded in application, for those of ordinary skill in the art, without creative efforts,
It is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the water treatment system of advanced treatment of wastewater reuse in the utility model embodiment 1；
Fig. 2 is the structural schematic diagram of electrochemical desalting membrane stack in Fig. 1；
Fig. 3 is the structural schematic diagram that addition removes hard unit in Fig. 1；
In figure: 1 raw water tank, 2 raw water accurate filters, 3 concentrated water accurate filters, 4 level-one electrochemical desalting membrane stacks, 5 one
Grade concentrated water circulating tank, 6 primary activity charcoal adsorption columns, 7 second order activity charcoal adsorption columns, 8 ion-exchange absorption attached columns, 9 chemicals dosing plants, 10
Electrochemical reaction column, 11 rapid filters, 12 water softener tanks, 13 second level electrochemical desalting membrane stacks, 14 second level concentrated water circulating tanks,
15 saturated activity canisters, 16 dehydrators, 17 regenerating furnaces, 18 cooling baths, 19 chute feeders, 20 regenerating tanks, 21 desorption liquid storage tanks, 22
Salt dissolving water pot, inclined-plate clarifying basin 23, A compress frame, the end B pole plate, C membrane stack, C1 cation-exchange membrane, C2 partition, the friendship of C3 anion
Change film, C4 concentrated water room, C5 freshwater room.
Specific embodiment
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is only the utility model a part of the embodiment, instead of all the embodiments.Below at least one example
The description only actually of property embodiment be it is illustrative, never as to the utility model and its application or any limit used
System.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without making creative work
The every other embodiment obtained, fall within the protection scope of the utility model.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the utility model.As used herein, unless the context clearly indicates otherwise, otherwise singular
Form be also intended to include plural form, additionally, it should be understood that, when in the present specification use term "comprising" and/or
When " comprising ", existing characteristics, step, operation, device, component and/or their combination are indicated.
Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments
Up to the unlimited the scope of the utility model processed of formula and numerical value.Simultaneously, it should be clear that for ease of description, each shown in attached drawing
The size of a part is not to draw according to actual proportionate relationship.Skill known for person of ordinary skill in the relevant
Art, method and apparatus may be not discussed in detail, but in the appropriate case, and the technology, method and apparatus should be considered as awarding
Weigh part of specification.In shown here and discussion all examples, example should be construed as merely by appointing to occurrence
Property, not as limitation.Therefore, the other examples of exemplary embodiment can have different values.It should also be noted that similar
Label and letter similar terms are indicated in following attached drawing, therefore, once be defined in a certain Xiang Yi attached drawing, then with
In attached drawing afterwards do not need that it is further discussed.
In the description of the present invention, it should be understood that the noun of locality such as " front, rear, top, and bottom, left and right ", " laterally,
Vertically, vertically, it is horizontal " and " pushing up, bottom " etc. indicated by orientation or positional relationship be normally based on orientation or position shown in the drawings
Relationship is set, is merely for convenience of describing the present invention and simplifying the description, in the absence of explanation to the contrary, these nouns of locality
Do not indicate that and imply that signified device or element must have a particular orientation or be constructed and operated in a specific orientation, because
This should not be understood as the limitation to scope of protection of the utility model: the noun of locality " inside and outside " refers to the wheel relative to each component itself
Wide is inside and outside.
For ease of description, spatially relative term can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure
Except different direction in use or operation.For example, being described as if the device in attached drawing is squeezed " in other devices
It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction "
Side " or " under its device or construction ".Thus, exemplary term " ... top " may include " ... top " and
" in ... lower section " two kinds of orientation.The device can also be positioned with other different modes and (is rotated by 90 ° or in other orientation), and
And respective explanations are made to the opposite description in space used herein above.
In addition, it should be noted that, limiting components using the words such as " first ", " second ", it is only for be convenient for
Corresponding components are distinguished, do not have Stated otherwise such as, there is no particular meanings for above-mentioned word, therefore should not be understood as to this
The limitation of utility model protection range.
Embodiment 1
As shown in Figure 1, a kind of Industrial Recirculating Cooling Water system for advanced treatment and recycle, including filter element, level-one electrochemistry
Desalination unit, second level electrochemical desalting unit, three-level absorbing unit, electrochemistry remove hardness unit, and the pipeline and water of connection
Pump；Wherein:
Filter element, including the raw water tank 1 and raw water accurate filter 2 that are sequentially communicated and concentrated water accurate filter 3,
Raw water accurate filter 2 is connected to the freshwater room C5 of level-one electrochemical desalting membrane stack 4, and concentrated water accurate filter 3 is connected to level-one
The concentrated water room C4 of electrochemical desalting membrane stack 4；
Level-one electrochemical desalting unit, including level-one electrochemical desalting membrane stack 4 and level-one concentrated water circulating tank 5, level-one electrification
The freshwater room C5 water inlet for learning desalination membrane stack 4 is connected to raw water accurate filter 2, the freshwater room C5 of level-one electrochemical desalting membrane stack 4
Water outlet is connected to active carbon adsorption column, i.e., the level-one fresh water through 4 desalination of level-one electrochemical desalting membrane stack flows into active carbon adsorption column；
The concentrated water room C4 water inlet of level-one electrochemical desalting membrane stack 4 is connected to concentrated water accurate filter 3, level-one electrochemical desalting membrane stack simultaneously
The entrance of 4 concentrated water room C4 water outlet connection level-one concentrated water circulating tank 5, i.e., the level-one through 4 desalination of level-one electrochemical desalting membrane stack
Condensed water flows into level-one concentrated water circulating tank 5, and the outlet of level-one concentrated water circulating tank 5 is respectively communicated with electrochemical reaction column 10 and concentrated water is accurate
Filter 3；The concentrated water accurate filter 3 constitutes a circulation loop with level-one electrochemical desalting unit；
Three-level absorbing unit, including the active carbon adsorption column and ion-exchange absorption attached column 8 being sequentially communicated, wherein three-level is adsorbed
The active carbon adsorption column of unit includes the two primary activity charcoal adsorption columns 6 and second order activity charcoal adsorption column 7 for being sequentially connected in series connection；
The filter element constitutes sewage raw water regeneration purification access with level-one electrochemical desalting unit, three-level absorbing unit；
Three-level absorbing unit connects regeneration unit, and the regeneration unit includes regenerating active carbon unit and ion-exchange absorption
Attached column regeneration unit.Regenerating active carbon unit includes the saturated activity canister 15 being sequentially communicated, dehydrator 16, regenerating furnace 17, cold
But slot 18, chute feeder 19 and regenerating tank 20, saturated activity canister 15 is connected to primary activity charcoal adsorption column 6 and second order activity charcoal is inhaled
Water is flow to down and upper flowing in 7 lower end of attached column, primary activity charcoal adsorption column 6 and second order activity charcoal adsorption column 7, active carbon it is supreme and
Lower discharge, the active carbon on guarantee upper layer in this way is always new, and lower layer's saturated activity charcoal enters in saturated activity canister 15 and stores up
It deposits.Saturated activity canister 15 is connected to dehydrator 16, sloughs and enters regeneration treatment in regenerating furnace 17 in active carbon after excessive moisture,
Active carbon after regeneration, which enters, enters chute feeder 19 after cooling bath 18 is cooled to room temperature, chute feeder 19 is connected to regenerating tank 20, then
Active carbon after life is all collected in regenerating tank 20, and regenerating tank 20 is connected to primary activity charcoal adsorption column 6 and second order activity charcoal is inhaled
It the upper end of attached column 7 will be in regenerating tank 20 when active carbon is reduced in primary activity charcoal adsorption column 6 and second order activity charcoal adsorption column 7
Active carbon be sent into adsorption column upper end.
Ion exchange adsorption column regeneration unit includes the salt dissolving water pot 22 being sequentially communicated and desorption liquid storage tank 21；Desorption liquid storage
Tank 21 connects ion-exchange absorption attached column 8, by the desorption liquid adverse current in desorption liquid storage tank 21 after 8 adsorption saturation of ion-exchange absorption attached column
Regeneration prepares desorption liquid in salt dissolving water pot 22 and imports desorption liquid storage tank 21 when desorption liquid deficiency in liquid storage tank 21 is desorbed
In.
Electrochemistry removes hardness unit, including the chemicals dosing plant 9, electrochemical reaction column 10, rapid filter 11 being sequentially communicated
With water softener tank 12；Chemicals dosing plant 9 is provided with sodium hydroxide medicament, and electrochemical reaction column 10 is using using aluminium as center
Anode surrounds cylindrical shape as cathode using stainless steel plate, is embedded into inside plastic casing.Electrochemical reaction column 10 accepts connection one
Grade concentrated water circulating tank 5, water softener tank 12 is connected to 13 freshwater room C5 of second level electrochemical desalting membrane stack；
Second level electrochemical desalting unit, including interconnected second level electrochemical desalting membrane stack 13 and second level concentrated water circulating tank
14,13 freshwater room C5 water inlet of second level electrochemical desalting membrane stack is connected to water softener tank 12,13 fresh water of second level electrochemical desalting membrane stack
Room C5 water outlet is connected to raw water tank 1, i.e., the second level fresh water through 13 desalination of second level electrochemical desalting membrane stack is recycled to raw water tank 1；Together
When second level electrochemical desalting membrane stack 13 concentrated water room C4 water inlet and water outlet be respectively communicated with second level concentrated water circulating tank 14, i.e., through two
The secondary concentration water of 13 desalination of grade electrochemical desalting membrane stack is back to second level electrochemical desalting film by second level concentrated water circulating tank 14
13 concentrated water room C4 of heap carries out circulation concentration, and 14 concentrated water high position overflow discharge of second level concentrated water circulating tank is emitted into plant area's sewage treatment
It stands or is used as bored pulp water；The filter element removes hardness unit, second level with level-one electrochemical desalting unit, electrochemistry
Electrochemical desalting unit constitutes circulation loop.
As shown in Fig. 2, the structure of the level-one electrochemical desalting membrane stack 4 and second level electrochemical desalting membrane stack 13 is by outside extremely
It is inside followed successively by and compresses frame A, end pole plate B, and group is stacked alternately by cation-exchange membrane C1, partition C2, anion-exchange membrane C3
At membrane stack C, electrode is provided in the end pole plate B at both ends, passes through cation-exchange membrane C1, anion-exchange membrane inside membrane stack C
The empty room of C3 and partition C2 composition forms concentrated water room C4 and freshwater room C5.Each cation-exchange membrane C1 and every inside membrane stack C
One anion-exchange membrane C3 passes through electricity in the end pole plate B at both ends inside membrane stack C with can form a water chamber between partition C2
The electric field that pole applies, makes water chamber intermediate ion generate displacement, and electrical ion of the same race penetrates electrical amberplex of the same race
It is transferred in adjacent separator C2 water chamber, water chamber forms freshwater room C5 inside the partition C2 of numerous ion reductions, and numerous ions increase
Diaphragm internal water chamber form concentrated water room C4, i.e., each water chamber goes out concentrated water room C4 and light to different instructions by the pole of applied voltage
Water chamber C5.
As shown in figure 3, a kind of Industrial Recirculating Cooling Water system for advanced treatment and recycle further includes removing hard unit, it is described
Be set to filter element except hard unit before, the sewage raw water of excessive high hardness is handled, including inclined-plate clarifying basin 23, inclined plate
Hardness remover adding set is arranged in 23 water inlet of sedimentation basin.23 water outlet of inclined-plate clarifying basin is arranged PH regulator and adds dress
It sets.
When utility model works, sewage raw water enters the collection of raw water tank 1, dirty when sewage raw water quality hardness is excessive
Water raw water is introduced into inclined-plate clarifying basin 23, passes through hardness remover adding set addition sodium hydroxide and carbon at tank inlet
Sour sodium medicament, 23 water outlet of inclined-plate clarifying basin are directly connected to after acid for adjusting pH to neutrality is added by PH regulator adding set
Raw water accurate filter 2.
If sewage raw water needs not move through hardness processing, directly pass through the sewage raw water that water pump will store in raw water tank 1
After the filtering of raw water accurate filter 2, it is driven into 4 freshwater room C5 of level-one electrochemical desalting membrane stack and carries out desalting change
For level-one desalination water, level-one desalination water enters primary activity charcoal adsorption column 6, through primary activity charcoal adsorption column 6 and second order activity charcoal
After adsorption column 7 purifies, water outlet enters ion-exchange absorption attached column 8 and is further purified, and the regeneration for finally obtaining reuse up to standard is net
Change water；
Meanwhile the primary concentration water obtained through 4 desalting of level-one electrochemical desalting membrane stack enters level-one concentrated water circulating tank
5, concentrated water squeezes into level-one electrochemical desalting membrane stack by water pump after the filtering of concentrated water accurate filter 3 in level-one concentrated water circulating tank 5
4 concentrated water room C4 circulation concentration.5 high liquid level of level-one concentrated water circulating tank passes through water pump for the primary concentration in level-one concentrated water circulating tank 5
Water is squeezed into electrochemical reaction column 10, while sodium hydroxide is added toward 10 water intake end of electrochemical reaction column in chemicals dosing plant 9.Electrification
The wadding body generated when the water outlet of reaction column 10 goes into rapid filter 11 and removes hardness by electrochemical reaction column 10 in water removal is learned, quickly
The water outlet of filter 11 enters water softener tank 12, and water squeezes into the light of second level electrochemical desalting membrane stack 13 by water pump in water softener tank 12
Change water chamber C5, while the secondary concentration water in second level concentrated water circulating tank 14 squeezes into the dense of second level electrochemical desalting membrane stack 13 by water pump
The water outlet second level desalination water of water chamber C4, second level electrochemical desalting membrane stack 13 are back in raw water tank 1, and secondary concentration water passes through two
Grade concentrated water circulating tank 14 is back to 13 concentrated water room C4 of second level electrochemical desalting membrane stack and carries out circulation concentration, second level concentrated water circulating tank
14 concentrated water high position overflow discharges are emitted into plant area's Sewage Disposal or use as bored pulp water.
Water is flow to down and upper flowing in primary activity charcoal adsorption column 6 and second order activity charcoal adsorption column 7, and active carbon is from top to down
Discharge guarantees that the active carbon on upper layer is always new in this way, and lower layer's saturated activity charcoal enters in saturated activity canister 15 and stores,
Saturated activity canister 15 is connected to dehydrator 16, sloughs and enters regeneration treatment in regenerating furnace 17 in active carbon after excessive moisture, then
Active carbon after life, which enters, enters chute feeder 19 after cooling bath 18 is cooled to room temperature, chute feeder 19 is connected to regenerating tank 20, regenerates
Active carbon afterwards is all collected in regenerating tank 20, and regenerating tank 20 is connected to primary activity charcoal adsorption column 6 and the absorption of second order activity charcoal
It the upper end of column 7 will be in regenerating tank 20 when active carbon is reduced in primary activity charcoal adsorption column 6 and second order activity charcoal adsorption column 7
The upper end of active carbon feeding adsorption column.
By the desorption liquid counter-current regeneration in desorption liquid storage tank 21 after 8 adsorption saturation of ion-exchange absorption attached column, when desorption liquid stores up
In tank 21 when desorption liquid deficiency, desorption liquid is prepared in salt dissolving water pot 22 and is imported in desorption liquid storage tank 21.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of Industrial Recirculating Cooling Water system for advanced treatment and recycle, which is characterized in that de- including filter element, level-one electrochemistry
Salt unit, second level electrochemical desalting unit, three-level absorbing unit, electrochemistry remove hardness unit, and the pipeline and water pump of connection；
Wherein:
Filter element, including the raw water tank (1) and raw water accurate filter (2) that are sequentially communicated and concentrated water accurate filter
(3), raw water accurate filter (2) is connected to the freshwater room (C5) of level-one electrochemical desalting membrane stack (4), concentrated water accurate filter
(3) it is connected to the concentrated water room (C4) of level-one electrochemical desalting membrane stack (4)；
Level-one electrochemical desalting unit, including level-one electrochemical desalting membrane stack (4) and level-one concentrated water circulating tank (5), level-one electrification
Freshwater room (C5) water inlet for learning desalination membrane stack (4) is connected to raw water accurate filter (2), level-one electrochemical desalting membrane stack (4)
Freshwater room (C5) water outlet is connected to active carbon adsorption column, i.e., the level-one fresh water through level-one electrochemical desalting membrane stack (4) desalination flows into
Active carbon adsorption column；Concentrated water room (C4) water inlet of level-one electrochemical desalting membrane stack (4) is connected to concentrated water accurate filter simultaneously
(3), the entrance of concentrated water room (C4) water outlet connection level-one concentrated water circulating tank (5) of level-one electrochemical desalting membrane stack (4), i.e., through one
The primary concentration water of grade electrochemical desalting membrane stack (4) desalination flows into level-one concentrated water circulating tank (5), and level-one concentrated water circulating tank (5) goes out
Mouth is respectively communicated with electrochemical reaction column (10) and concentrated water accurate filter (3)；The concentrated water accurate filter (3) and level-one electrification
It learns desalination unit and constitutes a circulation loop；
Three-level absorbing unit, including the active carbon adsorption column and ion-exchange absorption attached column (8) being sequentially communicated；The filter element
Sewage raw water regeneration purification access is constituted with level-one electrochemical desalting unit, three-level absorbing unit；
Electrochemistry removes hardness unit, including chemicals dosing plant (9), the electrochemical reaction column (10), rapid filter being sequentially communicated
(11) and water softener tank (12)；Electrochemical reaction column (10) accepts connection level-one concentrated water circulating tank (5), water softener tank (12) connection
Second level electrochemical desalting membrane stack (13) freshwater room (C5)；
Second level electrochemical desalting unit, including interconnected second level electrochemical desalting membrane stack (13) and second level concentrated water circulating tank
(14), second level electrochemical desalting membrane stack (13) freshwater room (C5) water inlet connection water softener tank (12), second level electrochemical desalting film
Heap (13) freshwater room (C5) water outlet is connected to raw water tank (1), i.e., the second level fresh water through second level electrochemical desalting membrane stack (13) desalination
It is recycled to raw water tank (1)；The water inlet and water outlet of second level electrochemical desalting membrane stack (13) concentrated water room (C4) are respectively communicated with simultaneously
Second level concentrated water circulating tank (14), i.e., the secondary concentration water through second level electrochemical desalting membrane stack (13) desalination are recycled by second level concentrated water
Tank (14) is back to second level electrochemical desalting membrane stack (13) concentrated water room (C4) and carries out circulation concentration, and second level concentrated water circulating tank (14) is dense
Water high position overflow discharge is emitted into plant area's Sewage Disposal or uses as bored pulp water；The filter element and level-one electricity
Chemical decladding unit, electrochemistry are except hardness unit, second level electrochemical desalting unit composition circulation loop.
2. a kind of Industrial Recirculating Cooling Water system for advanced treatment and recycle according to claim 1, which is characterized in that described
The structure of level-one electrochemical desalting membrane stack (4) and second level electrochemical desalting membrane stack (13), both ends are followed successively by compression frame from outside to inside
(A), pole plate (B) is held, and is stacked alternately by cation-exchange membrane (C1), partition (C2), anion-exchange membrane (C3) and is formed
Membrane stack (C), the end pole plate (B) at both ends is interior to be provided with electrode, is handed over inside membrane stack (C) by cation-exchange membrane (C1), anion
The water chamber for changing film (C3) and partition (C2) composition forms concentrated water room (C4) and freshwater room (C5).
3. a kind of Industrial Recirculating Cooling Water system for advanced treatment and recycle according to claim 1, which is characterized in that described
Water is flow to down and upper flowing in the active carbon adsorption column of three-level absorbing unit, and active carbon is discharged from top to down, in this way guarantee upper layer
Active carbon be always new, and lower layer's saturated activity charcoal enters storage in saturated activity canister (15).
4. a kind of Industrial Recirculating Cooling Water system for advanced treatment and recycle according to claim 1 or 3, which is characterized in that institute
The active carbon adsorption column for the three-level absorbing unit stated includes the two primary activity charcoal adsorption columns (6) and second level for being sequentially connected in series connection
Active carbon adsorption column (7).
5. a kind of Industrial Recirculating Cooling Water system for advanced treatment and recycle according to claim 1, which is characterized in that described
Three-level absorbing unit connects regeneration unit, and the regeneration unit includes regenerating active carbon unit and ion exchange adsorption column regeneration
Unit.
6. a kind of Industrial Recirculating Cooling Water system for advanced treatment and recycle according to claim 5, which is characterized in that described
Regenerating active carbon unit includes the saturated activity canister (15) being sequentially communicated, dehydrator (16), regenerating furnace (17), cooling bath
(18), chute feeder (19) and regenerating tank (20), saturated activity canister (15) are connected to active carbon adsorption column lower end, saturated activity charcoal
Tank (15) is connected to dehydrator (16).
7. a kind of Industrial Recirculating Cooling Water system for advanced treatment and recycle according to claim 5, which is characterized in that described
Ion exchange adsorption column regeneration unit includes the salt dissolving water pot (22) being sequentially communicated and desorption liquid storage tank (21)；Liquid storage tank is desorbed
(21) ion-exchange absorption attached column (8) are connected, by the desorption in desorption liquid storage tank (21) after ion-exchange absorption attached column (8) adsorption saturation
Liquid counter-current regeneration prepares desorption liquid in salt dissolving water pot (22) and imports desorption when desorption liquid deficiency in liquid storage tank (21) is desorbed
In liquid storage tank (21).
8. a kind of Industrial Recirculating Cooling Water system for advanced treatment and recycle according to claim 1, which is characterized in that described
Electrochemical reaction column (10) surrounds cylindrical shape as cathode using stainless steel plate, is embedded into using using aluminium as central anode
Inside plastic casing.
9. a kind of Industrial Recirculating Cooling Water system for advanced treatment and recycle according to claim 1, which is characterized in that described
A kind of Industrial Recirculating Cooling Water system for advanced treatment and recycle further include except hard unit, it is described except hard unit is set to filter element
Before, the sewage raw water of excessive high hardness is handled.
10. a kind of Industrial Recirculating Cooling Water system for advanced treatment and recycle according to claim 9, which is characterized in that described
Except hard unit includes inclined-plate clarifying basin (23), hardness remover adding set is arranged in inclined-plate clarifying basin (23) water inlet, tiltedly
Plate sedimentation basin (23) water outlet goes out pH adjusting agent adding set is arranged.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113003832A (en) * | 2021-03-16 | 2021-06-22 | 中冶节能环保有限责任公司 | Method for treating high-salinity water in steel plant |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113003832A (en) * | 2021-03-16 | 2021-06-22 | 中冶节能环保有限责任公司 | Method for treating high-salinity water in steel plant |
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