CN108249519A - Softening is except basic ion exchanger - Google Patents
Softening is except basic ion exchanger Download PDFInfo
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- CN108249519A CN108249519A CN201810345320.9A CN201810345320A CN108249519A CN 108249519 A CN108249519 A CN 108249519A CN 201810345320 A CN201810345320 A CN 201810345320A CN 108249519 A CN108249519 A CN 108249519A
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- exchanger
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- resin layer
- strong resin
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/16—Regeneration of sorbents, filters
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment Of Water By Ion Exchange (AREA)
Abstract
The present invention is a kind of easy to operate, no backwash operation, will not occur resin unrest layer for softening except basic ion exchanger water treatment facilities, it includes a H-type exchanger and a Na type exchanger, and water feed apparatus, weak acid resin layer, porous plate, Archon packing layer, strong resin layer and bottom discharge device are equipped with successively from the top down in the cylinder of H-type exchanger；It is equipped with water feed apparatus, the first strong resin layer, porous plate, the second strong resin layer and bottom discharge device in the cylinder of Na type exchangers successively from the top down, wherein, the filling height of the first strong resin layer is less than the filling height of the second strong resin layer；The inlet pipeline of H-type exchanger is connected after being connected by bypass duct with the drainpipe of H-type exchanger cylinder body bottom by removing carbon dioxide device with the water inlet pipe of Na type exchangers again；There are the expansion spaces during regeneration of lower room strong resin for the lower section of H-type and Na type exchanger porous plates.
Description
Technical field
The invention belongs to Water Treatment equipment, specifically a kind of to be used to soften except basic ion exchanger water process is set
It is standby.
Background technology
Softening except buck processing equipment be with ion exchange resin be used for removing calcium ions and magnesium ions in raw water and alkalinity it is cloudy from
The equipment of son.It is mainly used for the water process in the Water purification of commercial industry boiler and effluent part, field of sewage, so
Its use scope is big, and China has possessed Industrial Boiler more than 40 ten thousand at present, wherein using the more of sofening treatment, and use soft
Change again using the less of alkali is removed, the blowdown rate that can increase boiler for the feedwater failed except alkali process is up to 10-15%, thus meeting
A large amount of heat loss and hot water is brought to lose to boiler.It has been reported that have an Industrial Boiler from after using softening instead except buck processing,
The failure costs of thermal energy and hot water can be saved within 1 year up to 450,000 yuan.
Current softening existing both at home and abroad mainly uses the H-Na ion exchanges of strong resin except buck treatment technology, wherein
The resin loaded in H-type exchanger cylinder is strong resin, it can remove the temporary hardness in water, permanent hardness and neutral salt
Deng.But it is still resulted in due on exchanger arrangement there are some defects, for example, co-current regeneration fixed bed is needed in regeneration
Carry out big reverse washing, resin can random layer, thus it effluent characteristics are worst and operating cost highest；The seventies, Japanese invention was inverse
Stream regeneration fixed bed, but its air hold down regenerative operation is cumbersome；Floating bed has been invented to the mid-1970s Germany, has been transported
Row needs to carry out resin primary external big reverse washing January, it is impossible to which otherwise intermitten service will regenerate again, operation flow velocity will>
20m/h ability starting devices, need to set resin catcher and inverted U pipe etc..
Invention content
The defects of it is an object of the invention to overcome present in the prior art, and then provide a kind of easy to operate, no anti-
It washes operation, the softening of resin unrest layer will not occur except basic ion exchanger.
Realizing the technical solution of foregoing invention purpose is：Except basic ion exchanger tool, there are one H-type friendships for the softening provided
Parallel operation (form ion exchanger) and a Na types exchanger (sodium form ion-exchanger)；
Be equipped with exhaust apparatus at the top of the cylinder of H-type exchanger, cylinder body bottom is equipped with drainage arrangement, in cylinder from the top down according to
It is secondary equipped with the water feed apparatus connected with water inlet pipe, weak acid resin layer, the porous plate with double end water cap, Archon packing layer, strong acid
Resin layer and bottom discharge device, i.e. cylinder lumen are divided into upper chamber and lower room by the porous plate with double end water cap；
It is equipped with exhaust apparatus at the top of the cylinders of Na type exchangers, cylinder body bottom is equipped with drainage arrangement, in cylinder from the top down
It is equipped with the water feed apparatus connected with water inlet pipe, the first strong resin layer, the porous plate with double end water cap, the second strong acid tree successively
Lipid layer and bottom discharge device, i.e. cylinder lumen are divided into upper chamber and lower room by the porous plate with double end water cap, wherein, first
The filling height of strong resin layer is less than the filling height of the second strong resin layer；
The inlet pipeline of H-type exchanger is connected by the drainpipe of bypass duct and H-type exchanger cylinder body bottom drainage arrangement
It is connected after logical with removing carbon dioxide device, removing carbon dioxide device water outlet is connected with the water inlet pipe of Na type exchangers；
There are expansion during strong resin regeneration is empty between the lower room Archon packing layer and strong resin floor of H-type exchanger
Between, there are the expansion during regeneration of the second strong resin is empty between the porous plate of Na type exchangers and lower the second strong resin of room floor
Between, i.e., the height of described expansion space is changed into the height of regenerative expansion or by again for lower the second strong resin of room by failure type
Raw type is changed into the height that failure type is shunk, and doing so can realize that adverse current is compacted the purpose of regenerating resin.
The H-type exchanger upper chamber filling weak acid resin of the present invention, although can only remove Ca, Mg in water in temporary hardness from
Son, but its operating capacity is high, regenerating easily, and the strong resin of lower room filling can remove Ca, Mg in permanent hardness from
Son, it is achieved thereby that the mutual supplement with each other's advantages of strong and weak resin use in conjunction.The resin floor height of the Na type exchangers upper chamber filling of the present invention
Degree is less than the height of lower room resin layer, and when efficiency lost resin, upper chamber resin just becomes a kind of unique Ca types exhausted resin, thus
The problem of resin unrest layer would not occur.This is because Ca ions one are scheduled on top during efficiency lost resin, Mg ions one are scheduled on lower part,
And contained Ca ionic weights are all greater than Mg ionic weights in water, as long as so the height of upper chamber resin layer filling is kept to be less than lower room tree
The height of lipid layer, it is possible to ensure that upper chamber resin centainly becomes a kind of unique Ca types exhausted resin when efficiency lost resin.
The height of the Archon packing layer of above-mentioned H-type exchanger filling is preferably 200-300mm under normal conditions.
In order to preferably clean the upper chamber resin surface layer top institute of resin, H-type exchanger of the invention and Na type exchangers
The resin cleaning space stayed is highly the 70-100% of upper chamber resin layer height, if resin layer is higher, can be inclined to high
Numerical value (for example 90-100%) is inclined to if resin layer is relatively low with low numerical value (for example 70-80%).
For the H-type ion-exchanger and Na types ion-exchanger of the present invention in resin regeneration, regenerated liquid is all from below to up
Discharge waste liquid in top is passed to by bottom discharge device always, so the water feed apparatus of the present invention is used as drain in regeneration again
Device uses, and the pumping equipment of exchanger bottom is used in regeneration as into regeneration liquid device again.
The present invention also has the following advantages that compared with prior art：
1st, current softening is except the existing work of co-current regeneration fixed bed, countercurrent regenerating fixed bed and the floating bed of buck processing etc.
Skill needs to carry out primary or secondary small reverse washing in regeneration or need to run about to carry out primary in vivo or in vitro big reverse washing January, and
Softening is carried out except buck processing does not need to individual backwash operation using the present invention, it will be able to be entered when disposing periodic duty
Granulometric impurity and broken resin in resin layer, thus the cleaning performance of the present invention is good, resin voids rate is good, resin compacting journey
Spend small, liquid stream is uniform, and without bias current and dead angle, resistance is small, and operation flow velocity may be up to 40m/h；Operation sequence of the present invention is few, only transports
Row, displacement, is just washing 4 step sequences at regeneration, and prior art operation sequence is respectively 5,8,6 programs.
2nd, due to not having backwash operation when the application present invention carries out water process, thus the auxiliary water ratio consumed is few, and only 5%,
5-10% is saved than prior art；The year amount of resin of consumption is also minimum when carrying out water process using the present invention, and only 2%, than existing
There are the resin consumptions that technique saves 8-13%.
3rd, since there are the expansions during regeneration of lower room strong resin between porous plate of the present invention and lower room strong resin floor
Space, it is that can reach countercurrently to be compacted the purpose for having regenerated resin to have the performance of convergent-divergent using resin, is not in suspend
The problem of regeneration, resin unrest layer are brought, while again can cleaned resin.Due to being counter-current regeneration during resin regeneration, fresh number
The regenerative agent of times theoretical amount first passes through lower room resin, thus lower room resin can obtain best degree of percent regeneration of resin and good
Effluent characteristics.
4th, the strong resin that H-type exchanger uses can remove sodium ion all in water, can be made with leaking Na ions
For the terminal that fails；And strong resin used in the present invention, due to technological requirement difference, it can be made with leaking Ca, Mg ion
It for the terminal that fails, can not only increase the operating capacity of resin in this way, and not interfere with the effect for neutralizing basicity in water,
It is also beneficial to the control of in-service surveillance.
5th, H-type exchanger of the present invention can not only remove Ca, Mg ion in raw water and make softened water, and can pass through
Ion exchange generates strong acid, and the acid water of discharge neutralizes the basicity in raw water after being mixed with the raw water from bypass duct, so
Na types exchanger is entered by removing carbon dioxide device together again afterwards and carries out secondary Na ion exchange softenings water process, it is another
Secondary improves effluent characteristics, plays the role of two level Na-ion exchanger.
6th, the present invention can arbitrarily start, and not need to as floating bed>20m/h could start, it is not required that setting tree
Fat catcher and inverted U pipe.
Description of the drawings
Fig. 1 is the operating system structure diagram of the present invention；
Fig. 2 is H-type exchanger arrangement schematic diagram of the present invention；
Fig. 3 is Na types exchanger arrangement schematic diagram of the present invention.
Specific embodiment
Present disclosure is described in detail with reference to example.
As shown in Figure 1, the present invention is mainly made of H-type exchanger 2, Na types exchanger 3 and removing carbon dioxide device 1.It removes
Carbon dioxide plant 1 is mainly made of the mixer 101, carbon dioxide cleaner 102 and water tank 103 that are sequentially connected in series, H-type exchanger 2 into
Water lines connect after being connected further through bypass duct with the drainpipe of H-type exchanger bottom with the bottom of mixer 101, water tank bottom
Portion is connect by pump 104 and pipeline with the water inlet of Na types exchanger 3, has outlet valve 105, shunt valve between water tank and pump 104
Road is equipped with bypass inlet valve 106, and carbon dioxide cleaner bottom is equipped with wind turbine 107.
As shown in Fig. 2, the cylinder of the H-type exchanger 2 of the present invention has one block of porous plate 201 with double end water cap by cylinder point
Be segmented into two upper and lower chambers, strong resin 203 is loaded in upper chamber filling weak acid resin 202, lower room, be installed at the top of cylinder exhaust apparatus and
Air valve 204.The water feed apparatus 205 of upper chamber is branch main pipe type cloth water dispenser, it is also regeneration waste discharge liquid device simultaneously.It is more
201 lower section of orifice plate is Archon packing layer 210, and cylinder body bottom drainage arrangement 206 is quartz sand thickness cloth water dispenser, it is simultaneously
It is also the distributor of regenerated liquid.There are inlet valve 207 and the draining of water feed apparatus with the relevant main member of H-type exchanger 2
Outlet valve 208 that device is connected and into HCl regenerated liquids valve 209.In addition, also there are supply lower room strong resin for 201 lower section of porous plate
Expansion space (being not drawn into figure) when being changed into regenerative by failure type.
As shown in figure 3, the cylinder of the Na types exchanger 3 of the present invention has the porous plate 301 of one piece of double end water cap, by cylinder point
Two upper and lower chambers are divided into, and all load strong resin respectively, i.e., upper chamber loads the first strong resin 302, and the second strong acid is loaded in lower room
Resin 303, cylinder top are equipped with exhaust apparatus and air valve 304.The water feed apparatus 305 of upper chamber is branch main pipe type water distribution distribution dress
It puts, it is also regeneration waste discharge liquid device simultaneously.Cylinder body bottom drainage arrangement 306 is quartz sand thickness cloth water dispenser, it is same
When be also regenerated liquid distributor.Other relevant main members have the inlet valve 307 of water feed apparatus, are connected with drainage arrangement
Outlet valve 308 and into NaCl regenerated liquids valve 309.In addition, also there are supply lower room strong resin by failure type for 301 lower section of porous plate
Expansion space (being not drawn into figure) when being changed into regenerative.
Spatial altitude between the H-type exchanger 2 of the present invention and the upper chamber resin surface layer and water feed apparatus of Na types exchanger 3
80-90% for upper chamber resin height.
It is as follows to the water process description processed of this example with reference to Fig. 1：
1st, water processed：H-type ion-exchanger inlet valve 207 and air valve 204 are first opened, raw water is made to enter H-type ion-exchanger,
Air valve is turned off after it there are flowing out air valve 204, then flow is from top to bottom flowed by the water distribution of water feed apparatus 205,
The speed of service (highest operation flow velocity be 40m/h) needed for adjustment, flow pass sequentially through upper chamber weak acid resin layer, porous plate 201,
Lower room Archon packing layer 210, strong resin floor are flowed out finally by bottom discharge device 206 by outlet valve 208.The acid of outflow
Property water again with from bypass inlet valve 106 raw water interflow enter mixer 101 (tube mixer) and carbon dioxide cleaner 102, by wind
Machine 107 removes removing carbon dioxide, enters back into water tank 103, enters Na types exchanger 3 by 104 operation of pump.Equally, it is exchanged into Na types
The water of device 3 flows through the water distribution of water feed apparatus 305, then adjusts required operation flow velocity (highest operation flow velocity is 40m/h), then successively
By the first strong resin of upper chamber floor, porous plate, lower room the second strong resin floor, finally by bottom discharge device 306 by going out
Water valve 308 flows out.When operation to effluent quality is near or above standard, H-type ion-exchanger and Na type ion-exchangers are same
When it is out of service, prepare regeneration.
2nd, it regenerates：H-type and Na type exchangers regenerate simultaneously.Elder generation's closing water inlet valve 207 and outlet valve when regenerating H-type exchanger
208, air valve 204 is opened, drives HCl regenerated liquids valve 209 into, into the HCl regenerated liquids of 2.5-3.0% weight percent concentrations, with 4-
The regeneration velocity of 5m/h from bottom to top flows, and it is weak to pass sequentially through bottom discharge device, lower room strong resin floor, porous plate and upper chamber
Acid resin layer, regeneration liquid waste are discharged by water feed apparatus 205, when into stopping, into regenerated liquid, carrying out down after complete given regeneration liquid measure
The replacement operator of one step.
The regenerated valve operation process of Na type exchangers is identical with H-type exchanger, at this point, by into NaCl regenerated liquids valve 309
Into the NaCl regenerated liquids of 5-8% concentration, regenerated liquid is from bottom to top flowed with the regeneration velocity of 4-5m/h, passes sequentially through the second strong acid
Resin layer and the first strong resin layer finally discharge waste liquid by removal waste fluid valve.When into stopping into again after complete given regeneration liquid measure
Raw liquid carries out the replacement operator of next step.
3rd, it replaces：H-type and Na type exchangers are carried out at the same time displacement.When carrying out H-type exchanger, batch meter outlet is first closed again
Raw liquid valve (being not drawn into figure) is still kept with 4-5m/h flow velocitys into softened water, by entering into HCl regenerated liquids valve 209, softened water by
Lower and upper flowing, passes sequentially through lower room strong resin floor 203, porous plate 201, upper chamber weak acid resin floor 202, is finally filled by water inlet
205 removal waste fluid valve discharge waste liquid is put, is stopped after reaching set quota into softened water.
Operation when carrying out the displacement of Na types exchanger is identical with H-type exchanger.The regeneration valve for first closing outlet (is not drawn in figure
Go out), it still keeps, by into NaCl regenerated liquids valve 309 entering, from bottom to top passing sequentially through lower room into softened water with 4-5m/h flow velocitys
Two strong resin layers 303, the first strong resin of upper chamber layer 302 are finally discharged waste liquid by the removal waste fluid valve of water feed apparatus 305, are reached
Stop after to set quota into softened water.
4th, it just washes：H-type and Na type exchangers are carried out at the same time and just wash, and operating process is identical with water process processed, i.e., raw water into
Enter the water feed apparatus of exchanger, from top to bottom flow, upper chamber resin and lower room resin are passed sequentially through, finally by exchanger bottom
Drainage arrangement and drain valve discharge, exchanger can be made spare or throw after effluent quality reaches the set quota, and just washes
Enter operation.
Claims (5)
1. a kind of softening removes basic ion exchanger, including a H-type exchanger and a Na type exchanger, it is characterized in that
Exhaust apparatus is equipped at the top of the cylinder of H-type exchanger, cylinder body bottom is equipped with drainpipe, is equipped with successively from the top down in cylinder
Water feed apparatus, weak acid resin layer, the porous plate with double end water cap, Archon packing layer, the strong resin layer connected with water inlet pipe
With bottom discharge device；
Exhaust apparatus is equipped at the top of the cylinder of Na type exchangers, cylinder body bottom is equipped with drainpipe, is set successively from the top down in cylinder
Have the water feed apparatus connected with water inlet pipe, the first strong resin layer, the porous plate with double end water cap, the second strong resin layer and
Bottom discharge device, wherein, the filling height of the first strong resin layer is less than the filling height of the second strong resin layer；
After the inlet pipeline of H-type exchanger is connected by bypass duct with the drainpipe of H-type exchanger cylinder body bottom and except dioxy
Change the connection of carbon device, removing carbon dioxide device water outlet is connected with the water inlet pipe of Na type exchangers；
There are expansion space during strong resin regeneration, Na between the lower room Archon packing layer and strong resin floor of H-type exchanger
There are the expansion spaces during regeneration of the second strong resin, i.e. institute between the porous plate of type exchanger and lower the second strong resin of room floor
The height for stating expansion space is changed into the height of regenerative expansion for lower room strong resin by failure type.
2. softening according to claim 1 is except basic ion exchanger, it is characterized in that H-type exchanger and Na type exchangers is upper
The resin cleaning space stayed above the resin layer of room is highly the 70-100% of upper chamber resin layer height.
3. softening according to claim 1 is except basic ion exchanger, it is characterized in that H-type exchanger and Na type exchangers into
Water installations are used in regeneration as pumping equipment again, and the drainage arrangement of exchanger bottom is filled in regeneration as into regenerated liquid again
Put use.
4. softening according to claim 1 is except basic ion exchanger, it is characterized in that the height of the Archon packing layer is
200-300mm。
5. softening according to claim 1 is except basic ion exchanger, it is characterized in that the removing carbon dioxide device is main
It is made of the mixer, carbon dioxide cleaner and water tank that are sequentially connected in series, the inlet pipeline of H-type exchanger is exchanged by bypass duct with H-type
Connect after the drainpipe connection of device cylinder body bottom with the bottom of mixer, water tank bottom by pump and pipeline and Na types exchanger into
The mouth of a river connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810345320.9A CN108249519A (en) | 2018-04-17 | 2018-04-17 | Softening is except basic ion exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810345320.9A CN108249519A (en) | 2018-04-17 | 2018-04-17 | Softening is except basic ion exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108249519A true CN108249519A (en) | 2018-07-06 |
Family
ID=62748417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810345320.9A Pending CN108249519A (en) | 2018-04-17 | 2018-04-17 | Softening is except basic ion exchanger |
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| Country | Link |
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| CN (1) | CN108249519A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1037693A (en) * | 1988-05-17 | 1989-12-06 | 天津石油化工公司热电厂 | Hydrogen-hydrogen-sodium ion combining water treatment technique |
| CN2470346Y (en) * | 2000-12-29 | 2002-01-09 | 中国石化集团齐鲁石油化工公司 | Terminal control device for desalting water-treatment by positive bed preferential failing |
| CN1699195A (en) * | 2004-05-20 | 2005-11-23 | 哈尔滨工业大学 | Hydrogenation and deoxidization method for palladium ion type catalytic resin |
| WO2011040278A1 (en) * | 2009-09-30 | 2011-04-07 | 栗田工業株式会社 | Ion-exchange device, column therefor, and water treatment device |
| CN104743639A (en) * | 2015-04-15 | 2015-07-01 | 西安净源水处理科技有限公司 | High-efficiency sodium ion exchanger |
-
2018
- 2018-04-17 CN CN201810345320.9A patent/CN108249519A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1037693A (en) * | 1988-05-17 | 1989-12-06 | 天津石油化工公司热电厂 | Hydrogen-hydrogen-sodium ion combining water treatment technique |
| CN2470346Y (en) * | 2000-12-29 | 2002-01-09 | 中国石化集团齐鲁石油化工公司 | Terminal control device for desalting water-treatment by positive bed preferential failing |
| CN1699195A (en) * | 2004-05-20 | 2005-11-23 | 哈尔滨工业大学 | Hydrogenation and deoxidization method for palladium ion type catalytic resin |
| WO2011040278A1 (en) * | 2009-09-30 | 2011-04-07 | 栗田工業株式会社 | Ion-exchange device, column therefor, and water treatment device |
| CN104743639A (en) * | 2015-04-15 | 2015-07-01 | 西安净源水处理科技有限公司 | High-efficiency sodium ion exchanger |
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