CN205687612U - A kind of ion exchange resin continuous regeneration set - Google Patents
A kind of ion exchange resin continuous regeneration set Download PDFInfo
- Publication number
- CN205687612U CN205687612U CN201620489993.8U CN201620489993U CN205687612U CN 205687612 U CN205687612 U CN 205687612U CN 201620489993 U CN201620489993 U CN 201620489993U CN 205687612 U CN205687612 U CN 205687612U
- Authority
- CN
- China
- Prior art keywords
- resin
- water
- regeneration
- district
- backwash
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a kind of ion exchange resin continuous regeneration set, belong to resin regeneration technical field.Regenerating unit of the present utility model arranges backwash in same tower bed, regeneration is replaced, wash slowly, the different function sections such as clean, resin flowing is through these functional areas thus complete corresponding backwash, regeneration is replaced, wash slowly, the step such as clean, in this utility model, different phase regenerative wastewater is fully reused, compare conventional regeneration mode and have big conservation benefits very, greatly reduce the consumption of water, cost-effective.In regenerative process, regenerated liquid contacts with resin reverse flow, makes regenerated liquid containing the variable concentrations regenerative agent resin haptoreaction from different regeneration levels until being discharged, and regenerative agent utilization rate is high, and consumption is little, cost-effective and regenerated medicine discharge capacity is few.
Description
Technical field
This utility model belongs to resin regeneration technical field, more particularly, it relates to a kind of ion exchange resin is the most again
Generating apparatus.
Background technology
Ion exchange resin is with functional group's (having the active group of exchange ion), has network structure, insoluble
Macromolecular compound, it is common that spheroidal particle thing.In ion exchange resin, the kind of chemical active radical determines the master of resin
Want character and classification.First distinguish as cationic resin and the big class of resin anion (R.A.) two, they can respectively with the sun in solution from
Son and anion carry out ion exchange.Cationic resin is divided into again highly acid and faintly acid two class, and resin anion (R.A.) is divided into again by force
Alkalescence and alkalescence two class.Make a return journey frequently by cation exchange resin and anion exchange resin in clean water treatment technical field
Except the cation in water and anion, and then water is carried out sublimate process, but be as the prolongation of use time and use secondary
The increase of number, when cation and resin anion (R.A.) adsorb saturated after, just lose the ability continuing adion, now must profit
After cation and resin anion (R.A.) being carried out Regeneration Treatment with regenerated liquid, its absorbability could be recovered.
Ion exchange resin regeneration usually occurs in regeneration transition when resin processing plant dispatches from the factory or the fortune of ion exchange system
Row regenerated after losing efficacy.Regeneration of ion-exchange resin mode is broadly divided into co-current regeneration and counter-current regeneration two kinds.During co-current regeneration
The direction that former water flows through exchange oxidant layer with regenerated liquid is identical.Therefore first touch when regenerated liquid flows through exchange oxidant layer is to hand over
That changes oxidant layer top complete failure comprises the ion that top exchange oxidant layer is displaced, leading again of impact exchange oxidant layer bottom
The degree ratio of regenerant ions amount and whole exchange capacities (regeneration degree refer in ion-exchanger layer), cause water quality treatment to reduce,
Regenerating agent consumption increases.During counter-current regeneration, former water enters the in opposite direction, due to counter-current regeneration of people and regenerated liquid from exchanger top
The advantages such as method is compared the method for co-current regeneration and had regeneration high-quality, favorable regeneration effect, become conventional renovation process, but
Existing counter-current regeneration device structure is complicated, and the recovery time is longer, and regeneration efficiency is low and regeneration cost is high, and drug consumption is high,
Waste water generation amount is big.Such as, Chinese Patent Application No. is 201410264988.2, and Shen Qing Publication day is on August 27th, 2014
Patent document discloses the external counter-current regeneration technique of a kind of ion exchange resin, sequentially includes the following steps: A. and is producing soft water
While, the resin of inefficacy is discharged continuously from ion exchanger bottom；B. exhausted resin delivers into collecting tank through injection, conveying
Liquid is discharged from the top of collecting tank, and exhausted resin is discharged from the bottom of collecting tank, enters regenerating tank；C. it is passed through to regenerating tank bottom
Regenerated liquid, exhausted resin carries out counter-current regeneration, and regenerating resin is discharged from the bottom of regenerating tank, enters purge tank；D. from purge tank
Bottom water inlet, reverse cleaning falls on regenerating resin the regenerated liquid of residual, and the regenerating resin after cleaning is discharged bottom purge tank,
It is delivered back into ion exchanger through injection.And for example, Chinese Patent Application No. is 201520285410.5, and Shen Qing Publication day is 2015
Year JIUYUE patent document of 30 days discloses a kind of adsorbent resin countercurrent cleaning device, including adsorbent resin purge tank, adsorbent resin
Purge tank top is provided with resin inlet, leakage fluid dram and air vent, and adsorbent resin purge tank bottom is provided with resin outlet, feed liquor
Mouth and liquid outlet, adsorbent resin purge tank upper end is also equipped with rotary shaft and for the driving means driving rotary shaft to rotate, and turns
The lower end of moving axis connects moving blade；Two pairs of supersonic generators it are additionally provided with outside the tank body of adsorbent resin purge tank.
Traditional regeneration be in a regeneration container in batches, successively according to backwash, injection (regeneration displacement), slow
Wash, clean and regenerate step by step.There is problems in that 1. regeneration step are complicated；2. regenerative agent utilization rate is low, and medicament is wasted
Seriously；3. regeneration water consumption is big, not only needs substantial amounts of water rate use, and regenerative wastewater processes and is also required to equally spend the biggest expense
With；4. being generally completed primary recycling to need to spend the longer time, recovery time efficiency is low.It is thus desirable to research is a kind of economical and practical
Resin continuous regeneration set.
Summary of the invention
Problem to be solved
All there is structure complexity for existing resin counter-current regeneration device, floor space is big, regeneration efficiency is low, economic effect
The problems such as benefit difference, this utility model provides a kind of ion exchange resin continuous regeneration set, arrange in same tower bed backwash,
Regeneration replace, washes slowly, the different function sections such as is cleaned, resin flow these functional areas of process thus complete corresponding backwash,
Regeneration replace, washes slowly, the step such as is cleaned, improves the utilization ratio of regenerative agent, reduces water and consumes and discharge of wastewater, cost-effective.
2. technical scheme
In order to solve the problems referred to above, the technical scheme that this utility model is used is as follows:
A kind of ion exchange resin continuous regeneration set, including tank body, resin inlet, backwash water water inlet, feeding opening,
Rinse water outlet, resin outlet, cleaning water inlet and regeneration liquid waste outlet, described regeneration liquid waste outlet is arranged on
The top of tank body, described resin inlet is arranged on the top of tank body, and described feeding opening is arranged on the middle part of tank body, described
Backwash water water inlet be arranged between resin inlet and feeding opening, described resin outlet is arranged on the bottom of tank body,
Described rinse water outlet is arranged between feeding opening and resin outlet, and described slow wash water is imported and exported and is arranged on feeding opening
With between rinse water outlet, near the position of rinse water outlet, the described water inlet that cleans is arranged on the bottom of tank body.
Preferably, the region between described backwash water water inlet and tank body top is resin backwash district, its height H1For
0.6～1.2m；The height H of described resin inlet distance backwash water water inlet2=H1/ 3, the top in resin backwash district also sets
There is resin bed height detection device.
Preferably, the region between described feeding opening and backwash water water inlet is regeneration displacement zone, its height H3=LV1*
T1, wherein, LV1The linear flow rate of tank body, T is injected for resin1For the resin time of staying in regeneration displacement zone.
Preferably, the described region between rinse water outlet distance feeding opening is Man Xi district, its height H4=SRV*
V1/V4, wherein, SRV is the slow leaching requirement of resin, V in Man Xi district1The volume flow rate of tank body, V is injected for resin4For in Man Xi district
The volume flow rate of water.
Preferably, the region of described rinse water outlet distance tank base is that district cleaned by resin, its height H5It is 0.6
～1.5m.
Preferably, the diameter D in described resin backwash district1Following relation: D is met with the diameter D of regeneration displacement zone1≤D。
Preferably, when regenerated liquid needs heating, arrange in the bottom in Man Xi district and wash water inlet slowly, wash water inlet position slowly
Cleaning above discharge outlet.
Preferably, when the flow of regeneration liquid waste meets the backwash traffic requirement in resin backwash district, backwash water water inlet
Flow of inlet water is 0.
Preferably, when the water flow velocity in the water flow velocity during district cleaned by resin and Man Xi district is equal, rinse water outlet
Water discharge flow speed is 0, and Man Xi district and resin are cleaned district and united two into one, and cleans district's name with resin.
Above-mentioned ion exchange resin continuous regeneration set, for the method for regenerating resin, the steps include:
(1) continuous regeneration set is started:
Fill exhausted resin to be regenerated to stop filling into resin to the upper height of regeneration displacement zone；According to conventional regeneration mould
Formula injects regenerative agent and water from continuous regeneration set bottom-purge water inlet, sequentially passes through backwash, injection, washes step, and root slowly
According to backwash flow velocity during resin regeneration, regeneration dosage, regeneration solution concentration, regenerated liquid injection flow velocity, wash and clean the ginseng such as the water yield slowly
Number determines the parameters such as the flow velocity of each step, injection amount, injection concentration and time, and all regeneration liquid wastes are from tank body top again
Raw waste liquid outlet is discharged；When system after step completes of washing slowly starts to be carried out resin by normal wash inflow；Adjust
Clean water inlet and clean drain discharge to designing normal range；According to slow wash water water demand, adjust rinse water drain discharge, make
Obtaining a part of rinse water to discharge from rinse water discharge outlet, a part meets the rinse water entrance Man Xi district conduct washing traffic demand slowly
Slow wash water continues up operation；While formal startup rinse water water inlet, regenerate injection can start, i.e. from feeding opening simultaneously
Regenerative agent is injected according to the medicine flow velocity that enters of design；Clean district's resin clean demand again when rinse water water inlet total flow reaches resin
Or by resin discharge point instrument detection resin cleaned time, regenerating resin can discharge, and meanwhile, resin to be regenerated continues
Filling into, resin backwash formally starts, and continuous regeneration set formally enters cyclic regeneration state；
(2) cyclic regeneration process:
(2.1) resin fills into and runs: exhausted resin is filled into by resin inlet, and slowly runs to bottom, from upper
Under clean after district is finally completed regeneration arrange from resin floss hole respectively through resin backwash district, regeneration displacement zone, Man Xi district, resin
Go out；In resin backwash district by resin bed height detection device detection resin actual height and with this control resin fill into and
The velocity of discharge, the linear flow rate that exhausted resin injects control 0.5m/Hr-5m/Hr (in main tank body flow velocity, without backwash district) it
Between；
(2.2) backwash water inlet and draining: backwash water is injected from backwash water water inlet, and regeneration liquid waste mixes and becomes
Backwash water, carries out the resin injected discharging from top regeneration liquid waste outlet after backwash, linear in backwash district of backwash water
Flow speed control is between 10～15m/Hr；
(2.3) regeneration injection: when stopping starting to be injected regenerative agent by feeding opening after cleaning water inlet injection regenerative agent, with
Up slow wash water slowly runs to top after being mixed into regenerated liquid and regenerates the resin of regeneration displacement zone, until entering
Resin backwash district and backwash water inlet mix and discharge from regeneration liquid waste outlet after the new exhausted resin backwash injected, regenerated liquid
Linear flow velocity control in regeneration displacement zone is different according to the regeneration velocity of resin and resin injection rate, general system 1～
Between 8m/Hr；
(2.4) water inlet and draining are cleaned: cleaning water inlet is cleaned bottom, district cleaning water inlet from resin and injected, and runs to top
Being carried out resin, when top, district cleaned by arrival resin, according to slow wash water water demand, a part of rinse water enters and washes slowly
District, as slow wash water continue up, resin is washed slowly, unnecessary rinse water from rinse water outlet discharge, slow wash water and
Rinse water linear flow rate in tank body controls respectively between 1～8m/Hr and 2～50m/Hr.
Regenerating unit detailed construction of the present utility model explanation is as shown in table 1:
The configuration instruction of the resin continuous regeneration set in table 1 this utility model
The operation function of each several part of regenerating unit of the present utility model is described as follows:
(1) resin fills into and runs: exhausted resin is filled in the middle part of backwash district 1 by resin inlet 101, and the most downward
Portion runs, and cleans district 4 be finally completed respectively through resin backwash district 1, regeneration displacement zone 2, Man Xi district 3, resin from top to bottom
Discharged by resin outlet 402 after life.
(2) backwash water inlet and draining: backwash water is injected by backwash water water inlet 102 bottom resin backwash district 1, and regeneration
The useless medicine of regeneration displacement flowed from bottom to top in regeneration displacement zone 2 in device mixes and becomes backwash water, to the tree injected
Fat carries out backwash, finally discharges from top regeneration liquid waste floss hole 6.
(3) regeneration injection: regenerative agent is injected by the feeding opening 201 being arranged on bottom regeneration displacement zone 2, and from Man Xi district
3 up slow wash waters are mixed into regenerated liquid, then slowly run to top, regenerate the resin within regeneration displacement zone 2,
Finally become the useless medicine of regeneration displacement and enter backwash district.
(4) water inlet and draining are cleaned: clean water inlet and injected by the rinse water water inlet 5 being arranged on resin and cleaning bottom, district 4,
Run resin that resin is cleaned in district 4 to be carried out to top, arrive resin when cleaning 4 top, district, a part of rinse water from
Rinse water outlet 401 is discharged, and another part rinse water enters Man Xi district 3, continues up as slow wash water, carries out resin slowly
Wash；And the water discharged from rinse water outlet 401 can be intake by being preferentially used for backwash after pressurization.
(5) resin backwash district 1: exhausted resin fills in this region, resin and the comparatively faster backwash water of flow velocity are reverse
Contact, completes backwash step, and in resin, pollutant impurity can be efficiently removed.And owing to backwash water is by regeneration displacement zone
Waste liquid and backwash water inlet mix, containing certain density regenerative agent.Resin now is while completing backwash, it is possible to profit
Complete partial regeneration with the low concentration medicament in backwash water, and consume the regenerative agent in backwash water so that medicine in backwash water
Concentration is discharged as regeneration liquid waste after being preferably minimized.(permissible when applying in the middle of the system of anions and canons resin acid-alkali regeneration
Regenerative agent injection rate is controlled, the effect the highest to reach regenerative agent utilization rate by the way of detection regeneration liquid waste discharge PH.)
Owing to the application win or lose of this regenerating unit and the control of device inner resin layer height have the closest pass
Connection, therefore resin bed high detection is arranged in the middle of this device by the design as an important configuration.
(6) regeneration displacement zone 2: resin occurs with regenerated liquid after entering regeneration displacement zone in top-down running
Reverse flow contacts, and resin more down runs, and in the regenerated liquid touched, regenerative agent concentration and purity are the highest, and resin completes again
Raw ratio is the biggest；Regenerated liquid is then more to run up, and the efficiency lost resin degree touched is the highest, in regenerated liquid regenerative agent by by
Step consumes until concentration drops to extremely low level.Entering (feeding opening 201 top position) at medicine, now because before Jing Li by
Step regenerative process, resin is reproduced the most completely；And herein, resin is in the middle of concentration the purest the highest regenerated liquid,
Guarantee that resin can reach optimal regeneration effect.
(7) Man Xi district 3: at resin during moving down, when crossing feeding opening, resin i.e. enters Man Xi district；This
Time resin be complete regeneration displacement, but regenerative agent containing very high concentration in the water of resin inside and around.In Man Xi district 3
Middle resin contacts with slow wash water generation antikinesis；Under the cleaning action of slow wash water, regenerative agent content contained in resin by
Step reduces, and resin is progressively cleaned；
(8) district 4 cleaned by resin: need after resin regeneration under normal circumstances to use certain cleaning water yield to be washed by resin
Only, and slow wash water is less due to flow, tends not to meet the requirement that resin is cleaned completely.Therefore generally also need outside washing slowly
To carry out resin strengthening cleaning, it is therefore desirable to arrange resin at this and clean district 4.In clean district 4, resin and big flow is clear
Wash water generation antikinesis contacts, and (applies at anions and canons resin soda acid again until discharging regenerating unit after being cleaned completely
Can be by confirming, by the way of the PH of rinse water, the journey that resin is cleaned above detection resin discharge point time in the middle of raw system
Degree, is also possible to prevent rinse water excessive or not enough simultaneously, thus reaches optimal water saving and cleaning performance).
(9) when needing regenerated liquid is heated when resin to be regenerated regenerates, resin regeneration of the present utility model
Device needs to arrange bottom Man Xi district to wash water inlet 301 slowly.During regeneration, rinse water is all discharged from rinse water outlet 401；
Inject the slow wash water through heating from washing water inlet 301 slowly, and the regenerative agent injected from feeding opening 201 is heated simultaneously.
(10) when the water flow velocity in the water flow velocity during district 4 cleaned by resin and Man Xi district 3 is equal, rinse water outlet 401
Can cancel, Man Xi district 3 and resin are cleaned district 4 and are united two into one.
(11) ion exchange resin continuous regeneration set of the present utility model can be by reducing the diameter in resin backwash district
Method improve regeneration liquid waste and enter the linear flow rate in resin backwash district thus reduce backwash water flow of inlet water, work as regeneration liquid waste
When entering backwash district, linear flow rate can reach backwash flow rate requirement, in the case, backwash water inlet 102 then can take
Disappear, now according to the difference of diameter, regeneration displacement zone and backwash district can be made a distinction.
In this utility model, the important parameter of regenerating unit design is as shown in table 2:
The important parameter design of regenerating unit in table 2 this utility model
3. beneficial effect
Compared to prior art, the beneficial effects of the utility model are:
(1) this utility model achieves backwash in same tower bed, regeneration is replaced, wash, clean the collection of difference in functionality slowly
Close, resin flowing is through these functional areas thus complete corresponding backwash, regeneration is replaced, wash slowly, the step such as clean, compared to biography
System regeneration, in the unit interval, renewable amount of resin is bigger, and in regenerative process, regenerated liquid contacts with resin reverse flow,
(resin that regeneration level is the highest and maximum concentration are again to make the resin haptoreaction of the regenerated liquid of variable concentrations and different regeneration levels
Raw liquid contact, the resin that regeneration level is minimum contacts with least concentration regenerated liquid) until being discharged, regenerative agent utilization rate is high, consumption
Measure little, cost-effective and regenerated medicine discharge capacity is few；
(2) this utility model is in resin regeneration and wash clean process, always cleans the cleanest resin with clean water,
And the higher water of content of dispersion is used for cleaning the higher resin of content of dispersion, can reach optimal cleaning performance；Can accomplish simultaneously
The water of different phase be recycled (rinse water water outlet as the water source of slow wash water, slow wash water water outlet as injection thinned water,
Regeneration liquid waste is used as carrying out resin backwash, whole during not only water itself be recycled, the medicament contained in water is also
Recycled to greatest extent), comparing conventional regeneration mode has the biggest conservation benefits, greatly reduces the consumption of water,
Using water wisely cost；
(3) in this utility model, owing to regenerative wastewater and useless medicine discharge capacity are few, therefore, institute in the process of regeneration liquid waste
The cost needing flower is greatly reduced；
(4), in this utility model, backwash in regenerative process, regeneration replace, wash slowly, clean several steps in tower while
Carrying out, recovery time efficiency uprises；
(5) when regenerating unit of the present utility model is applied with coupled ion exchange system, ion exchange tower during resin regeneration
Sustainable water acquisition itself, can avoid the situation of resin global failure in tower bed, and product water water quality is more guaranteed, can greatly reduce tree
Fat amount, concurrently, input cost, space can reduce accordingly；
(6) this utility model can lead to selection reasonably run flow velocity and cross the diameter to each functional areas, highly carry out
Reasonably design adjustment, reach the effect that structure is the simplest, regeneration effect is best, water consumption amount of consumption of drugs is minimum.
Accompanying drawing explanation
Fig. 1 is the basic structure schematic diagram of resin regenerating device in this utility model；
When Fig. 2 is resin regeneration in this utility model, regenerated liquid needs regenerating unit structural representation when heating；
Fig. 3 be water flow velocity in Man Xi district of the present utility model clean in district equal to resin water flow velocity time cancel rinse water
The apparatus structure schematic diagram of draining；
Fig. 4 is the structural representation cancelling backwash water water inlet in this utility model；
Fig. 5 is to cancel backwash water water inlet and the structural representation of rinse water draining in this utility model；
Fig. 6 is the system design structural representation employed in example 1；
Fig. 7 is regenerating unit of the present utility model and structural representation during floating bed ion exchange system combination application；
Fig. 8 is structure when regenerating unit of the present utility model and floating bed ion exchange system combination application in example 2
Schematic diagram；
Fig. 9 is that in example 3, regenerating unit of the present utility model concentrates replacement as many set ion exchange system regenerating units
Combination application time structural representation.
In figure: 1, resin backwash district；2, regeneration displacement zone；3, Man Xi district；4, district cleaned by resin；5, water inlet is cleaned；6、
Regeneration liquid waste outlet；7, resin bed the Supreme People's Procuratorate measuring point；101, resin inlet；102, backwash water water inlet；201, feeding opening；
301, water inlet is washed slowly；401, rinse water outlet；402, resin outlet；8, floating bed ion exchange tower；801, water outlet
Mouthful；802, regenerating resin inlet；803, efficiency lost resin test point；804, exhausted resin outlet；805, water inlet；9, ion
Exchange column；901, ion exchange tower water inlet；902, ion exchange tower resin outlet；903, ion exchange tower resin injects
Mouthful；904, ion exchange tower outlet.
Detailed description of the invention
The ion exchange resin continuous regeneration set of the design is primarily useful for the regeneration of dispatching from the factory of resin processing plant and makes the transition；Or and
Ion exchange system continuously the most one to one with the use of, reach the effect that ion exchange system is run continuously；Or as tradition
The regenerating unit of ion exchange system is concentrated and is substituted.
Below in conjunction with specific embodiment, this utility model is further described below.
Embodiment 1
A collection of resin is needed to carry out regenerating Transition work by the present embodiment, and resin form is anionic resin, and exchange is held
Amount is 1.2eq, uses the NaOH regenerative agent of 40% (mass fraction), needs every day produce 250m transition3Ion exchange resin.
Table 3 the present embodiment ion exchange resin principal Technical Design parameter:
Table 4 the present embodiment ion exchange resin continuous regeneration set design parameter:
According to above-mentioned calculating, continuous ion exchange unit as shown in Figure 1 can be selected to regenerate, including tank body,
Resin inlet 101, backwash water water inlet 102, feeding opening 201, rinse water outlet 401, resin outlet 402, clean into
The mouth of a river 5 and regeneration liquid waste outlet 6, regeneration liquid waste outlet 6 is arranged on the top of tank body, and described resin inlet 101 sets
Putting the top at tank body, feeding opening 201 is arranged on the middle part of tank body, and backwash water water inlet 102 is arranged on resin inlet 101 He
Between feeding opening 201, resin outlet 402 is arranged on the bottom of tank body, and rinse water outlet 401 is arranged on feeding opening 201 He
Between resin outlet 402, clean water inlet 5 and be arranged on the bottom of tank body, clean and be provided with between water inlet 5 and feeding opening 201
Communicating pipe, the sizing parameters of regenerating unit is as shown in table 4.Owing to this programme is designed as using rinse water draining to filling into
Resin carries out backwash, therefore adds rinse water force (forcing) pump in the regenerating unit design basis shown in accompanying drawing 1 and by rinse water
It is pressed and delivered to clean in the middle of inlet pipeline, has ultimately formed design as shown in Figure 6.According to resin manufacturer recommended parameter regeneration behaviour
Make step as follows:
Cyclic regeneration runs: exhausted resin is filled into by resin inlet 101, and slowly runs to bottom, and resin fills into
Volume flow rate is 25m3/ Hr, a diameter of 3.6m of regenerating unit, resin in the main staving of continuous regeneration set (except backwash district) to
The linear flow rate of lower operation is 2.5m/Hr；Backwash water backwash water water inlet 102 bottom backwash district injects, and regeneration displacement is useless
Medicine mixes becomes backwash water, and the linear flow rate of backwash water is 12.7m/Hr, and backwash district diameter design is 3.2 meters, backwash
Water volume flow velocity is 102m3/ Hr, wherein has 23.7m3The backwash water of/Hr comes from the useless medicine of regeneration displacement, 78.3m3/ Hr from
In cleaning draining, resin backwash district 1 height is 1.2m；Regenerative agent injects from feeding opening 201, and up slow wash water is mixed into again
Slowly running to top after raw liquid and regenerate the resin of regeneration displacement zone, regeneration solution concentration is 5%, regenerated liquid volume flow
Speed is 23.76m3/ Hr, wherein diluting water inlet (slow wash water) volume flow rate is 21.7m3/ Hr, remaining is from regeneration medicine.Regeneration is put
Changing district's height is 1.5m, and resin is 36 minutes in the time of contact of regeneration displacement zone and regenerated liquid, and regenerative agent excess coefficient is
10%, complete to be advanced into Man Xi district 3 under the resin of regeneration displacement；The slow wash water flow velocity in Man Xi district is identical with dilution water flow velocity is
21.7m3/ Hr, according to resin data, the slow wash water volume of this resin is 2BV, and therefore Man Xi district 3 height is 2.3m；Resin passes through
Entering resin behind Man Xi district 3 and clean district 4, according to resin data, (cleaning) water yield volume that expresses of this resin is 3-6BV, herein
Designing by 5BV, district 4 design height cleaned by resin is 1.25m, and therefore the cleaning water yield of resin is 100m3/Hr.Rinse water is to tree
Fat carry out cleaning after wherein flow 21.7m3The resin in Man Xi district is washed slowly by the Man Xi district that enters of/Hr as slow wash water；
And unnecessary 78.3m3The most pressurized rear backwash for resin of water of/Hr.
Calculate it follows that regenerative agent consumption is when using continuous regeneration set to regenerate these resins from above
33000Kg (40%), wastewater emission amount is 1000m3, it is the most time-consumingly 10 hours.It is respectively equivalent to use conventional regeneration mode
0.7 times, 0.4 times and about 0.6 times during regeneration.It can be seen that make the water saving of spent ion exchange resin continuous regeneration set
Joint drug effect fruit is very notable, and reproduction speed is also far faster than conventional regeneration mode.
Embodiment 2
The resin processed in the present embodiment is certain water treatment system Yang Ta (ROHM AND HAAS 1200Na), and treating capacity is 240m3/
Hr, the cation load in water is 10mmol/L (i.e. 10mol/m3)。
Table 5 example 2 ion exchange resin principal Technical Design parameter:
Can calculate according to above parameter:
The speed of resin operational failure is
240m3/Hr*10mol/m3/ 1.2eq=2000L/Hr
According to this utility model, it may be considered that as shown in Figure 7: design a set of cation exchange system Aided design 1
The ion exchange resin continuous regeneration set that platform reproduction speed is 2000L/Hr and come for ion exchange system provide supporting regeneration,
It is combined into a set of continuous ionic exchange system run without interruption.
Wherein continuous regeneration set detailed design parameter is as follows:
Table 6 example 2 ion exchange resin continuous regeneration set design parameter:
According to above-mentioned calculating, owing to the volume flow rate of backwash water and rinse water may be designed to regenerated liquid respectively and washes slowly
Water flow velocity is identical, therefore, it can select the ion exchange resin cancelling cleaning draining and backwash water inlet as shown in Figure 5 continuous
Regenerating unit.System shown in accompanying drawing 7 i.e. can be simplified to the ion exchange tower shown in accompanying drawing 8 and continuous ionic exchange
Device combines, and including tank body, resin inlet 101, feeding opening 201, resin outlet 402, cleans water inlet 5 and regeneration liquid waste
Outlet 6, regeneration liquid waste outlet 6 is arranged on the top of tank body, and described resin inlet 101 is arranged on the top of tank body,
Feeding opening 201 is arranged on the middle part of tank body, and resin outlet 402 is arranged on the bottom of tank body, cleans water inlet 5 and is arranged on tank body
Bottom, clean and between water inlet 5 and feeding opening 201, be communicated with pipe；Floating bed ion exchange tower 8 be provided with outlet 801,
Regenerating resin inlet 802, efficiency lost resin test point 803, exhausted resin outlet 804 and water inlet 805, water inlet is positioned at floating
The bottom of formula bed ion exchange tower 8, outlet 801 is positioned at the top of floating bed ion exchange tower 8.
Note: if having rinse water volume flow rate equal to slow wash water volume flow rate and recovering liquid in design calculation process
Long-pending flow velocity then can be according to conceptual design shown in Fig. 3 less than during the volume required flow velocity of backwash；And when rinse water volume flow rate is more than slow
Wash water volume flow rate regenerated liquid volume flow rate then can be according to conceptual design shown in Fig. 4 equal to during the volume required flow velocity of backwash.According to
Resin manufacturer recommended parameter is run and regenerative operation step is as follows:
Exchange resin tower is in running, and former water enters from exchange resin tower water inlet 805, and ion is handed over
Change product water after resin tower 8 ion exchange resin exchanges to flow out from the outlet 801 of exchange resin tower.Due to former water
Touch at first is the resin of water inlet end, and therefore first the resin of water inlet end lost efficacy, along with the continuous service of ion exchange tower,
Efficiency lost resin point is gradually to producing water end (W.E.) propelling.In this application, two ion exchanges are set in the middle part of the tower body of ion exchange tower
Efficiency lost resin monitoring point 803.When the monitoring point resin close product water end (W.E.) being detected has lost efficacy, continuous regeneration set started to open
Dynamic operation cyclic regeneration state.When the resin efficiency lost resin monitoring point near water inlet end being detected did not lost efficacy, cyclic regeneration
Device operation suspension.The most all the time guarantee ion exchange system to be in effectively and produce water state, guarantee water inlet end simultaneously
Resin fully exchanged utilization.The regeneration capacity of ion exchange resin continuous regeneration set requires more than or equal to amberlite
Efficiency lost resin speed in fat tower.
Continuous regeneration set start time, exchange resin tower water inlet end exhausted resin by resin drawing pump from exhausted resin
Outlet 804 is withdrawn and fed into the resin inlet 101 of continuous regeneration set, and slowly runs to bottom, the body that resin fills into
Long-pending flow velocity is 2m3/ Hr, a diameter of 0.8m of regenerating unit, resin is downward (except backwash district) in the main staving of continuous regeneration set
The linear flow rate run is 4m/Hr；In the resin backwash district of continuous regeneration set, the linear flow rate of 1 backwash water is 12m/Hr, instead
Washing district's diameter design is 0.5 meter, and backwash water volume flow rate is 2.4m3/ Hr, backwash water is all from the useless medicine of regeneration displacement, tree
Fat backwash district 1 height is 1m；Regenerative agent injects from feeding opening 201, and up slow wash water is mixed into after regenerated liquid slow to top
The resin of regeneration displacement zone is also regenerated by slow operation, and regeneration solution concentration is 4%, and regenerated liquid volume flow rate is 2.4m3/ Hr,
Wherein diluting water inlet (slow wash water) volume flow rate is 2.16m3/ Hr, remaining is from regeneration medicine.Regeneration displacement zone height is 2m,
Resin is 30 minutes in the time of contact of regeneration displacement zone and regenerated liquid, and regenerative agent excess coefficient is 10%, completes regeneration displacement
Resin under be advanced into Man Xi district 3；The flow velocity in Man Xi district is identical with dilution water flow velocity for 2.16m3/ Hr, according to resin data, should
The slow wash water volume of resin is 2BV, and therefore Man Xi district 3 height is 1.9m；Resin enters resin behind Man Xi district 3 and cleans district 4
According to resin data, the fast leaching requirement volume of this resin is 1-3BV, is designed here as 1BV, and resin is cleaned district 4 design height and is
1m, therefore the fast leaching requirement of resin is 2m3/ Hr, for meeting slow leaching requirement requirement, is designed as 2.16m by the cleaning water yield3/Hr；Tree
Fat is injected in the product water end (W.E.) of exchange resin tower participation again by resin loopback pump after clean district cleans and runs, with
Time, the new regenerating resin injected pushes resin original in resin tower to water inlet end, it is ensured that in product water end (W.E.), filling completes all the time
The resin of regeneration, it is ensured that produce water water quality.
Can greatly subtract when using continuous ionic exchanger resin regenerating unit to join and support the use with ion exchange resin
The design amount of resin of few system, so that equipment investment cost reduces；And in equipment running process its regenerative agent consumption
With water consumption also will be far below use conventional regeneration mode time regenerating agent consumption and water consumption.Regenerating agent consumption in this example
To be the 1/2 and 1/4 of conventional regeneration mode respectively with water consumption, water saving joint drug effect fruit be the most notable.
Embodiment 3
That process in the present embodiment is certain water treatment system Yang Ta (ROHM AND HAAS 4200Cl), and treating capacity is 500m3/ Hr,
Cation load in water is 5mmol/L (i.e. 5mol/m3), it is contemplated that regeneration needs to add resin regeneration except the problem of silicon
Heat.
Table 7 example 3 ion exchange resin principal Technical Design parameter:
It is designed as according to traditional design is available:
Design 11 set ion exchange systems, 10 with 1 times of design, often overlaps amount of resin 12000L, and the operation regeneration period is 24 little
Time.
The design that we prefer that in this example is that spent ion exchange resin continuous regeneration set is as conventional ion
Exchange system regenerative system concentrates the scheme substituted, as shown in Figure 9.
Ion exchange system still according to, 10 with 1 times of design, and often set amount of resin 12000L, designs a set of regeneration capacity in addition
More than or equal to the 11 set amberlites that the ion exchange resin continuous regeneration set of whole system efficiency lost resin speed is design
Fat tower does supporting regeneration.
Its regeneration capacity is: 500*5/0.5=5000L/Hr.
Table 8 example 3 ion exchange resin continuous regeneration set design parameter:
According to above-mentioned calculating, continuous ion exchange unit as shown in Figure 2 can be selected to regenerate, and ion exchange
The design combination as shown in Figure 9 of system composition.Including tank body, resin inlet 101, backwash water water inlet 102, feeding opening 201,
Slowly wash water inlet 301, rinse water outlet 401, resin outlet 402, clean water inlet 5 and regeneration liquid waste outlet 6, regeneration
Waste liquid outlet 6 is arranged on the top of tank body, and described resin inlet 101 is arranged on the top of tank body, backwash water water inlet
102 are arranged between resin inlet 101 and feeding opening 201, and feeding opening 201 is arranged on the middle part of tank body, washes water inlet 301 slowly
Being arranged on the lower position in the Man Xi district, middle part 3 of tank body, resin outlet 402 is arranged on the bottom of tank body, rinse water outlet
401 are arranged between feeding opening 201 and resin outlet 402, clean water inlet 5 and are arranged on the bottom of tank body；Ion exchange is
System includes that ion exchange tower 9, ion exchange tower 9 are provided with ion exchange tower water inlet 901 (top), ion exchange tower resin row
Outlet 902 (tops), ion exchange tower resin inlet 903 (bottom) and ion exchange tower outlet 904 (bottom).According to resin
Parameter recommended by the manufacturer is run and regenerative operation step is as follows:
After 1 set therein of the set ion exchange tower 9 in running detects operational failure, this set amberlite
Fat tower is out of service, and standby ion exchange tower puts into operation；
Exchange resin tower 9 and the exchange resin tower continuous regeneration set of current failure are combined by valve transfer
Become into 1 to 1 cyclic regeneration circulation pattern.Exhausted resin is discharged by ion exchange tower resin outlet, pressurizes through resin drawing pump
After injected in the middle of ion exchange resin continuous regeneration set by ion exchange resin continuous regeneration set resin inlet 101, and
Slowly running to bottom, the volume flow rate that resin injects is 5m3/ Hr, a diameter of 1.8m of regenerating unit, resin fills in cyclic regeneration
The linear flow rate putting main staving interior (except backwash district) operation downwards is 2m/Hr；Backwash water is backwash water water inlet bottom backwash district
Mouth 102 injects, and the useless medicine of regeneration displacement mixes and becomes backwash water, and the linear flow rate of backwash water is 12m/Hr, backwash district
Diameter design is 1.4 meters, and backwash water volume flow rate is 15.5m3/ Hr, wherein has 5.5m3The backwash water of/Hr comes from regeneration displacement
Useless medicine, 10m3/ Hr comes from cleaning draining, and resin backwash district 1 height is 1.2m；Regenerative agent injects from feeding opening 201, and up
Slow wash water be mixed into regenerated liquid after slowly run to top and the resin of regeneration displacement zone regenerated, regeneration solution concentration is
2%, regenerated liquid volume flow rate is 5.5m3/ Hr, wherein diluting water inlet (slow wash water) volume flow rate is 5.3m3/ Hr, remaining is from again
Crude drug product.Regeneration displacement zone height is 2m, and resin is 60 minutes in the time of contact of regeneration displacement zone and regenerated liquid, regenerative agent mistake
Coefficient of discharge is 10%, completes to be advanced into Man Xi district 3 under the resin of regeneration displacement；The flow velocity in Man Xi district is identical with dilution water flow velocity is
5.3m3/ Hr, according to resin data, the slow wash water volume of this resin is 2BV, and therefore Man Xi district 3 height is 1.9m；Owing to originally setting
Meter resin regeneration liquid needs heating, it is therefore desirable to arranges and washes water inlet 301 slowly, and all slow wash waters inject from washing water inlet slowly.Tree
Fat enters resin behind Man Xi district 3 and cleans district 4, and according to resin data, the fast leaching requirement volume of this resin is 3-6BV, herein
Designing by 5BV, district 4 design height cleaned by resin is 1m, and therefore the fast leaching requirement of resin is 25m3/ Hr, rinse water is complete to resin
Become and clean and after rinse water outlet 401 proposes, wherein have 10m3The rinse water draining of/Hr can be used after force (forcing) pump pressurizes
In backwash district 1 resin is carried out backwash, 5.3m3The rinse water draining of/Hr can be injected slow after Pressurized-heated as slow wash water
Wash water inlet 301 Man Xi district resin is washed slowly.Complete the resin after regeneration to be delivered back into after resin loopback pump pressurizes
In exchange resin tower.
There is no complete failure owing to ion exchange system its water side when operational failure is usually still a lot of resin, make
When designing with this, the most only the resin of water inlet end in exchange resin tower about 70% is regenerated, so may insure that
All resins are all fully used, and reduce regenerative operation operating cost.
In this example, need one ion exchange resin continuous regeneration set of many increases during first input and be used for following
The resin of ring and resin pump；Simultaneously for each exchange resin tower owing to without the concern for regeneration, its tank body size can
Significantly to reduce, and the cost in terms of the pipeline that regenerates and valve also will be greatly decreased；The most generally speaking application ion is handed over
Change the ion exchange system of resin continuous regeneration set, and the first input cost of traditional design is the most close.But its regenerative agent
Consumption and water consumption will be the 1/2 and about 1/3 of conventional regeneration mode respectively, and effect of saving water and energy is the most notable.According to calculating,
The ion exchange system answering spent ion exchange resin continuous regeneration set is compared with traditional design, can save in the 1-2 year
Going out the input cost of a whole set of decorum, economic benefit is the most considerable.
Claims (8)
1. an ion exchange resin continuous regeneration set, it is characterised in that: include tank body, resin inlet (101), backwash water
Water inlet (102), feeding opening (201), rinse water outlet (401), resin outlet (402), cleaning water inlet (5) and regeneration
Waste liquid outlet (6), described regeneration liquid waste outlet (6) is arranged on the top of tank body, and described resin inlet (101) sets
Putting the top at tank body, described feeding opening (201) is arranged on the middle part of tank body, and described backwash water water inlet (102) is arranged
Between resin inlet (101) and feeding opening (201), described resin outlet (402) is arranged on the bottom of tank body, described
Rinse water outlet (401) be arranged between feeding opening (201) and resin outlet (402), slow wash water import and export (301) set
Put between feeding opening (201) and rinse water outlet (401), near the position of rinse water outlet (401), described cleaning
Water inlet (5) is arranged on the bottom of tank body.
A kind of ion exchange resin continuous regeneration set the most according to claim 1, it is characterised in that: described backwash water
Region between water inlet (102) and tank body top is resin backwash district (1), its height H1It is 0.6～1.2m；Described resin
The height H of inlet (101) distance backwash water water inlet (102)2=H1/ 3, the top in resin backwash district (1) is additionally provided with resin bed
Height detection device (7).
A kind of ion exchange resin continuous regeneration set the most according to claim 2, it is characterised in that: described feeding opening
(201) region and between backwash water water inlet (102) is regeneration displacement zone (2), its height H3=LV1*T1, wherein, LV1For
Resin injects the linear flow rate of tank body, T1For the resin time of staying in regeneration displacement zone (2).
A kind of ion exchange resin continuous regeneration set the most according to claim 3, it is characterised in that: described rinse water
Region between outlet (401) distance feeding opening (201) is Man Xi district (3), its height H4=SRV*V1/V4, wherein, SRV is
The slow leaching requirement of Man Xi district (3) interior resin, V1The volume flow rate of tank body, V is injected for resin4Volume flow for Man Xi district (3) interior water
Speed.
A kind of ion exchange resin continuous regeneration set the most according to claim 4, it is characterised in that: described rinse water
The region of outlet (401) distance tank base is that district (4) cleaned by resin, its height H5It is 0.6～1.5m.
A kind of ion exchange resin continuous regeneration set the most according to claim 1, it is characterised in that: described resin is anti-
Wash the diameter D in district (1)1Following relation: D is met with the diameter D of regeneration displacement zone (2)1≤D。
A kind of ion exchange resin continuous regeneration set the most according to claim 1, it is characterised in that: when regeneration liquid waste
When flow meets the backwash traffic requirement in resin backwash district (1), the flow of inlet water of backwash water water inlet (102) is 0, and backwash is intake
Mouth can be cancelled.
A kind of ion exchange resin continuous regeneration set the most according to claim 5, it is characterised in that: when district cleaned by resin
(4), when the water flow velocity in and the water flow velocity in Man Xi district (3) are equal, the Water discharge flow speed of rinse water outlet (401) is 0, washes slowly
District (3) and resin are cleaned district (4) and are united two into one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620489993.8U CN205687612U (en) | 2016-05-20 | 2016-05-20 | A kind of ion exchange resin continuous regeneration set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620489993.8U CN205687612U (en) | 2016-05-20 | 2016-05-20 | A kind of ion exchange resin continuous regeneration set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205687612U true CN205687612U (en) | 2016-11-16 |
Family
ID=57263097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620489993.8U Expired - Fee Related CN205687612U (en) | 2016-05-20 | 2016-05-20 | A kind of ion exchange resin continuous regeneration set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205687612U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105858809A (en) * | 2016-05-20 | 2016-08-17 | 印萍 | Continuous regeneration device and method for ion exchange resin |
| CN112573619A (en) * | 2020-12-25 | 2021-03-30 | 珠海格力电器股份有限公司 | Softening method and system for water softening equipment and water softening equipment |
-
2016
- 2016-05-20 CN CN201620489993.8U patent/CN205687612U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105858809A (en) * | 2016-05-20 | 2016-08-17 | 印萍 | Continuous regeneration device and method for ion exchange resin |
| CN105858809B (en) * | 2016-05-20 | 2018-08-31 | 印萍 | A kind of ion exchange resin continuous regeneration set and ion exchange resin continuous regeneration method |
| CN112573619A (en) * | 2020-12-25 | 2021-03-30 | 珠海格力电器股份有限公司 | Softening method and system for water softening equipment and water softening equipment |
| CN112573619B (en) * | 2020-12-25 | 2024-01-16 | 珠海格力电器股份有限公司 | Softening method and system of water softening device and water softening device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201161191Y (en) | Acid-alkali regenerative agent conserving mix bed regenerating unit | |
| CN102325728B (en) | Method for operation of ion exchanger, and ion exchanger | |
| CN205687612U (en) | A kind of ion exchange resin continuous regeneration set | |
| CN106669867A (en) | Continuous and automatic ion exchange device | |
| CN105858809B (en) | A kind of ion exchange resin continuous regeneration set and ion exchange resin continuous regeneration method | |
| US3414508A (en) | Condensate purification process | |
| CN108654585A (en) | A kind of resin regenerating device and resin regeneration method | |
| CN105540742B (en) | A kind of mixed bed device that can be automatically drawn into acid solution, lye | |
| CN211585316U (en) | System for continuously removing anions in 3-hydroxy-1, 3, 5-pentanedioic acid | |
| CN217756961U (en) | Circulation system is washed to second grade desalination ion exchanger cluster | |
| CN2928227Y (en) | External regeneration separating tower for double middle row concrete bed | |
| CN207628433U (en) | Backwash resin tower is exempted from a kind of resin regeneration | |
| CN201165477Y (en) | Mixed bed | |
| CN201002988Y (en) | Double-tower type two-stage demineralizing equipment | |
| TWI628147B (en) | Condensate demineralizer and condensate demineralization method | |
| CN206467016U (en) | A kind of integrated apparatus that ion exchange resin regeneration brine waste is handled with bipolar film electrodialysis method | |
| CN201280450Y (en) | Water softening system | |
| CN204310845U (en) | A kind of multistage synchronous mixed bed | |
| CN1962468A (en) | Double-tower type two-stage desalting device | |
| CN207671740U (en) | Shallow-layer bed ion-exchange unit quickly prepares the process system of pure water | |
| CN208554224U (en) | A kind of resin regenerating device | |
| CN205856191U (en) | A kind of processing system preparing boiler feedwater | |
| CN219730619U (en) | High-water-quantity multi-tank desalting equipment | |
| CN109502693A (en) | A kind of full-automatic softening plant and method applied to Treated sewage reusing processing system | |
| CN103304004A (en) | Mixed ion exchanger of flotation bed |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161116 Termination date: 20180520 |