Softening removes basic ion exchanger
Technical field
The utility model belongs to Water Treatment equipment, specifically a kind of for softening except at basic ion exchanger water
Manage equipment.
Background technique
Softening except buck processing equipment be used to remove with ion exchange resin calcium ions and magnesium ions in raw water and alkalinity yin from
The equipment of son.It is mainly used for the water process in the Water purification and effluent part, field of sewage of commercial industry boiler, 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 will increase boiler for failing the water supply 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 exchange of strong resin except buck processing technique, 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, and 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 more troublesome;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, is unable to intermitten service, otherwise to regenerate again, and operation flow velocity wants >
20m/h ability starting device, needs to be arranged resin catcher and inverted U pipe etc..
Summary of the invention
The purpose of the utility model is to overcome the defects present in the prior art, so provide it is a kind of it is easy to operate, do not have
There is backwash operation, the softening of resin unrest layer will not occur except basic ion exchanger.
Realizing the technical solution of foregoing invention purpose is: provided softening is except there is basic ion exchanger a H-type to hand over
Parallel operation (form ion exchanger) and a Na type 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 being connected to 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 cylinder of Na type exchanger, cylinder body bottom is equipped with drainage arrangement, in cylinder from the top down
It is successively arranged the water feed apparatus being connected to water inlet pipe, the first strong resin layer, the porous plate with double end water cap, the second strong acid tree
Rouge 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
Filling height of the filling height of strong resin layer less than 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 to after logical with removing carbon dioxide device, removing carbon dioxide device water outlet is connected to the water inlet pipe of Na type exchanger;
Expansion when regenerating between the lower room Archon packing layer and strong resin floor of H-type exchanger there are strong resin is empty
Between, expansion when regenerating between the porous plate of Na type exchanger and lower the second strong resin of room floor there are the second strong resin is empty
Between, i.e., the height of the described expansion space is that lower the second strong resin of room by failure type is changed into the height of regenerative expansion or by again
Raw type is changed into the height that failure type is shunk, and does so and the purpose that adverse current is compacted regenerating resin may be implemented.
The H-type exchanger upper chamber of the utility model loads weak acid resin, although can only remove the Ca in water in temporary hardness,
Mg ion, but its operating capacity is high, regenerating easily, and the strong resin of lower room filling can remove Ca in permanent hardness,
Mg ion, to realize the mutual supplement with each other's advantages of strong and weak resin use in conjunction.The Na type exchanger upper chamber filling of the utility model
Resin layer height 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 type fault tree
Rouge, thus the problem of resin unrest layer would not occur.This is because Ca ion one is scheduled on top when efficiency lost resin, Mg ion is certain
In lower part, and contained Ca ionic weight is all greater than Mg ionic weight in water, as long as so keeping the height of upper chamber resin layer filling small
In the height of lower room resin layer, so that it may guarantee that upper chamber resin centainly becomes a kind of unique Ca type fault tree when efficiency lost resin
Rouge.
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 resin, on the H-type exchanger of the utility model and the upper chamber resin surface layer of Na type exchanger
The resin cleaning space height that side is stayed is that the 70-100% of upper chamber resin layer height can be inclined to use if resin layer is higher
High numerical value (for example 90-100%) is inclined to if resin layer is lower with low numerical value (for example 70-80%).
For the H-type ion-exchanger and Na type ion-exchanger of the utility model in resin regeneration, regenerated liquid is all under
Discharge waste liquid in top is passed to always by bottom discharge device on and, thus the water feed apparatus of the utility model in regeneration again
It is used as pumping equipment, the pumping equipment of exchanger bottom is used as into regeneration liquid device again in regeneration.
The utility model has the further advantage that compared with prior art
1, existing work of the current softening except 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 needs to run about to carry out primary internal or external big reverse washing January, and
Softening is carried out except buck processing does not need individual backwash operation using the utility model, it will be able to when disposing periodic duty
Into the granulometric impurity and broken resin in resin layer, thus the cleaning effect of the utility model is good, and resin voids rate is good, tree
Rouge compaction is small, and liquid stream is uniform, and without bias current and dead angle, resistance is small, and operation flow velocity may be up to 40m/h;The utility model behaviour
It is few to make program, only runs, regenerate, displacement, just washing 4 step sequences, and prior art operation sequence is respectively 5,8,6 journeys
Sequence.
2, due to not having backwash operation when application the utility model carries out water process, thus the auxiliary water ratio consumed is few, 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 utility model, only
2%, than the resin consumptions that prior art saves 8-13%.
When 3, due to being regenerated there are lower room strong resin between the utility model porous plate and lower room strong resin floor
Expansion space, having the performance of convergent-divergent using resin is the purpose that can reach adverse current compacting and regenerated resin, is not in
The problem of suspension regeneration, resin unrest layer are brought, while again can cleaned resin.It is fresh due to being counter-current regeneration when resin regeneration
The regenerative agent of several times theoretical amount first pass through lower room resin, thus lower room resin can obtain best degree of percent regeneration of resin and
Good effluent characteristics.
4, the strong resin that H-type exchanger uses can remove sodium ion all in water, can be to leak Na ion work
For the terminal that fails;And strong resin used in the utility model, due to technique require it is different, it can with leak Ca, Mg from
Son can not only increase the operating capacity of resin as failure terminal in this way, and will not influence and neutralize basicity in water
Effect, is also beneficial to the control of in-service surveillance.
5, the utility model H-type exchanger can not only remove Ca, Mg ion in raw water and produce softened water, and can be with
Strong acid is generated by ion exchange, the acid water of discharge neutralizes the alkali in raw water after mixing with the raw water from bypass duct
Then degree enters Na type exchanger by removing carbon dioxide device together again and carries out at secondary Na ion exchange softening water
Reason, another improves effluent characteristics, plays the role of second level Na-ion exchanger.
6, the utility model can arbitrarily start, do not need as floating bed > 20m/h could start, it does not need to set yet
Set resin catcher and inverted U pipe.
Detailed description of the invention
Fig. 1 is the operating system structural schematic diagram of the utility model;
Fig. 2 is the utility model H-type exchanger arrangement schematic diagram;
Fig. 3 is the utility model Na type exchanger arrangement schematic diagram.
Specific embodiment
It is described in detail below with reference to content of the example to the utility model.
As shown in Figure 1, the utility model is mainly by H-type exchanger 2, Na type exchanger 3 and 1 group of removing carbon dioxide device
At.Removing carbon dioxide device 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
Inlet pipeline be connected to further through bypass duct with the drainpipe of H-type exchanger bottom after be connected to the bottom of mixer 101, water
Bottom portion is connect by pump 104 and pipeline with the water inlet of Na type exchanger 3, has outlet valve 105 between water tank and pump 104, other
Road pipeline is equipped with bypass inlet valve 106, and carbon dioxide cleaner bottom is equipped with blower 107.
As shown in Fig. 2, the cylinder of the H-type exchanger 2 of the utility model has one block of porous plate 201 with double end water cap by cylinder
Body is divided into two upper and lower chambers, and upper chamber loads weak acid resin 202, and strong resin 203 is loaded in lower room, and exhaust dress is installed at the top of cylinder
It sets and air valve 204.The water feed apparatus 205 of upper chamber is branch main pipe type cloth water dispenser, it is also regeneration removal waste fluid dress simultaneously
It sets.It is Archon packing layer 210 below porous plate 201, cylinder body bottom drainage arrangement 206 is quartz sand thickness cloth water dispenser,
It is also the distributor of regenerated liquid simultaneously.Main member relevant to H-type exchanger 2 have water feed apparatus inlet valve 207,
The outlet valve 208 that is connected with drainage arrangement and into HCl regenerated liquid valve 209.In addition, also there are strong for lower room for 201 lower section of porous plate
Expansion space (being not drawn into figure) when acid resin is changed into regenerative by failure type.
As shown in figure 3, the cylinder of the Na type exchanger 3 of the utility model has the porous plate 301 of one piece of double end water cap, by cylinder
Body is divided into two upper and lower chambers, and all loads strong resin respectively, i.e., upper chamber loads the first strong resin 302, lower room filling second
Strong 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 cloth moisture
With device, it is also regeneration waste discharge liquid device simultaneously.Cylinder body bottom drainage arrangement 306 is quartz sand thickness cloth water dispenser,
It is also the distributor of regenerated liquid simultaneously.Other relevant main members have the inlet valve 307 and drainage arrangement of water feed apparatus
Connected outlet valve 308 and into NaCl regenerated liquid valve 309.In addition, also there are the lower room strong resins of confession by losing for 301 lower section of porous plate
Expansion space (being not drawn into figure) when acting type is changed into regenerative.
Space between the H-type exchanger 2 of the utility model and the upper chamber resin surface layer and water feed apparatus of Na type exchanger 3
Height is the 80-90% of upper chamber resin height.
It is as follows in conjunction with processed water process description of the Fig. 1 to this example:
1, water processed: first opening H-type ion-exchanger inlet valve 207 and air valve 204, raw water made to enter H-type ion-exchanger,
Air valve is turned off after it there are flowing out air valve 204, then water flow is from top to bottom flowed by the water distribution of water feed apparatus 205,
The speed of service (highest run flow velocity be 40m/h) needed for adjustment, water 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 type exchanger 3 by 104 operation of pump.Equally, it is exchanged into Na type
The water of device 3 flows through the water distribution of water feed apparatus 305, then adjusts required operation flow velocity (it is 40m/h that highest, which runs flow velocity), 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 running to effluent quality near or above standard, H-type ion-exchanger and Na type ion-exchanger are same
When it is out of service, prepare regeneration.
2, regenerate: H-type and Na type exchanger 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 liquid valve 209 into, into the HCl regenerated liquid of 2.5-3.0% weight percent concentration, 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 carrying out down into regenerated liquid after complete given regeneration liquid measure
The replacement operator of one step.
The regenerated valve operation process of Na type exchanger is identical as H-type exchanger, at this point, by into NaCl regenerated liquid valve 309
Into the NaCl regenerated liquid 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
Finally waste liquid is discharged by removal waste fluid valve in resin layer and the first strong resin layer.When into stopping into again after complete given regeneration liquid measure
Raw liquid, carries out the replacement operator of next step.
3, replace: H-type and Na type exchanger are replaced simultaneously.When carrying out H-type exchanger, batch meter outlet is first closed again
Raw liquid valve (being not drawn into figure), still keeps with 4-5m/h flow velocity into softened water, by entering into HCl regenerated liquid 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
The removal waste fluid valve discharge waste liquid for setting 205, stops after reaching set quota into softened water.
Operation when carrying out the displacement of Na type exchanger is identical as H-type exchanger.The regeneration valve for first closing outlet (is not drawn in figure
Out), it still keeps from bottom to top passing sequentially through lower room by entering into NaCl regenerated liquid valve 309 into softened water with 4-5m/h flow velocity
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, reach
Stop after to set quota into softened water.
4, just wash: H-type and Na type exchanger while just being washed, operating process is identical as water process processed, i.e., raw water into
The water feed apparatus for entering exchanger, from top to bottom flows, and upper chamber resin and lower room resin is 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.