CN206184456U - Little mixed bed resin on -line regeneration system of inner cooling water - Google Patents

Abstract

The utility model discloses a little mixed bed resin on -line regeneration system of inner cooling water, the system includes the little bed exhaust valve that mixes, the little bed intake gate that mixes, the little bed bypass door that mixes, the little bed play water valve that mixes, little mixed bed resin carries the door, the little bed waste discharge door that mixes, the little bed exhaust valve that mixes, little mixed bed resin carries door and the little bed waste discharge door that mixes respectively through the little bed that mixes of tube coupling inner cooling water, the little bed that mixes of inner cooling water is connected to little one end of mixing the bed intake gate, still be provided with a little muddy bed bypass door and a muddy bed little play water valve on the other end of the little muddy bed of inner cooling water and little muddy bed waste discharge door's the connecting line. The utility model discloses a little mixed bed resin on -line regeneration system of inner cooling water can not influence under the circumstances of inner cooling water operation, carries out on -line regeneration to the little mixed bed resin of inner cooling water, has guaranteed inner cooling water's quality of water, has saved work load simultaneously, has also saved the expense of more renewing the resin.

Description

The small mixed-bed resin on-line regeneration system of inner cold water

Technical field

The utility model is related to electric generator inner cooling water-treatment technology field, and in particular to a kind of inner cold water for generator Small mixed-bed resin on-line regeneration system.

Background technology

Generator cooling-water system is an important system, if cold water process supervision and control it is ineffective, can influence hair Safe, the normal operation of motor.Small mixed bed, potting resin in small mixed bed, operation middle part are equipped with the inner cold water bypass of generator Inner cold water is divided to continue through small mixed bed, to remove the impurity in inner cold water, water outlet is returned in inner cold water.Such as Publication No. A kind of small online ammonification of mixed-bed resin and internal regeneration technology disclosed in the Chinese invention patent of CN104843827A, using power plant Electric generator inner cooling water system realize the online ammonification of small mixed-bed resin and in vivo regeneration, overcome resin external from and external regeneration The shortcoming for wasting time and energy, extends resin run time and regeneration period, is capable of achieving the skills such as long-term maintenance inner cold water pH, electrical conductivity Art requirement.Using the method for more renewing resin after efficiency lost resin in each small mixed bed of power plant's inner cold water of China, or resin is taken Go out to be carried out outside small mixed bed the separation and regeneration of resin, to ensure its practicality, cannot but carry out on-line regeneration.

The resin used in current small mixed bed is negative resin and positive resin hybrid resin, if carried out to yin and yang resin simultaneously Regeneration is, it is necessary to carry out the separation of resin, and do not have enough sources of the gas, water source in small mixed bed, and do not have middle row, nothing in small mixed bed Method carries out the separation regeneration of yin and yang resin simultaneously；Simultaneously as negative resin regeneration needs to use alkali lye, positive resin regenerates needs to be made The regeneration level of another resin can be influenceed with waste liquid after acid solution, therefore regeneration.

Therefore prior art can only be by the way of in-vitro separation regeneration, it is impossible to uses the technology of ON-LINE SEPARATION.

Utility model content

In order to solve the technical problem for running into the prior art, the utility model provides a kind of for cold in generator The small mixed-bed resin on-line regeneration system of water, the system has exhaust valve pipeline, intake gate pipeline, resin transfer door pipeline and blowdown Door pipeline, the system can overcome the problem that yin and yang resin present in prior art cannot be separated, regenerated liquid mutually pollutes, and lead to Cross hybrid resin is pre-processed online, dosing regeneration, can reach and meet the regeneration of small mixed-bed resin, meet after regeneration in it is cold Water water quality requirement.

To achieve these goals, the utility model is adopted the following technical scheme that.

A kind of small mixed-bed resin on-line regeneration system of inner cold water, including the small mixed bed of inner cold water, the system also include small mixed bed Exhaust valve, small mixed bed intake gate, small mixed-bed resin conveying door and small mixed bed sewage door, the small mixed bed exhaust valve, small mixed bed are entered Water valve, small mixed-bed resin conveying door, small mixed bed sewage door are connected with the small mixed bed of inner cold water respectively.

Preferably, the small mixed-bed resin conveying door is connected with the small mixed bed of inner cold water by pipeline.

In any of the above-described technical scheme preferably, the small mixed bed sewage door passes through pipeline phase with the small mixed bed of inner cold water Connection.

In any of the above-described technical scheme preferably, the small mixed bed exhaust valve is small mixed by pipeline connection inner cold water Bed.

In any of the above-described technical scheme preferably, the connecting line of the small mixed bed exhaust valve and the small mixed bed of inner cold water On be provided with exhaust valve flange.

In any of the above-described technical scheme preferably, the small mixed-bed resin on-line regeneration system of inner cold water also includes small Mixed bed bypass door and small mixed bed go out water valve.

In any of the above-described technical scheme preferably, one end of the small mixed bed intake gate connects inner cold water by pipeline Small mixed bed, the other end of the small mixed bed intake gate is connected by pipeline with one end of small mixed bed bypass door.

In any of the above-described technical scheme preferably, the other end of the small mixed bed bypass door passes through pipeline and small mixed bed The one end for going out water valve is connected, and the small mixed bed goes out the other end of water valve and the connection of small mixed bed sewage door and the small mixed bed of inner cold water Pipeline is connected.

In any of the above-described technical scheme preferably, the small mixed-bed resin on-line regeneration system of the inner cold water is using regeneration Agent solution carries out the on-line regeneration of resin full of the small mixed bed of inner cold water, and the regenerant solution injects interior cold by exhaust valve flange The small mixed bed of water.

In any of the above-described technical scheme preferably, the regenerant solution includes alkaline salt of weak acid and ammoniacal liquor.

The small mixed-bed resin on-line regeneration system of inner cold water of the present utility model includes that small mixed bed exhaust valve, small mixed bed are intake Door, small mixed bed bypass door, small mixed bed go out water valve, small mixed-bed resin conveying door, small mixed bed sewage door, small mixed bed exhaust valve, small mixed Bed resin transfer door and small mixed bed sewage door connect the small mixed bed of inner cold water, one end connection of small mixed bed intake gate by pipeline respectively The small mixed bed of inner cold water, small mixed bed bypass is additionally provided with the other end of the small mixed bed of inner cold water and the connecting line of small mixed bed sewage door Door and small mixed bed go out water valve；Small mixed bed bypass door is opened, small mixed bed intake gate, small mixed bed is closed and is gone out water valve and the exhaust of small mixed bed Door, isolates to the small mixed bed of inner cold water, then opens small mixed bed sewage door and drains the water in small mixed bed, then opens interior cold The exhaust valve flange on the top of the small mixed bed of water, adds the regenerant solution mixed by alkaline salt of weak acid and ammoniacal liquor, regenerant solution Full of the small mixed bed of inner cold water（Notice that the time control of regenerant solution immersion resin more than 6 hours, makes resin fully regenerate）, The exhaust valve flange on inner cold water small mixed bed top is restored, after meeting the resin regeneration time, then small mixed bed intake gate and small is opened Mixed bed sewage door, regulates flow and enters line replacement, rinses, after water outlet meets standard, the small mixed-bed resin of inner cold water it is online again Raw process is finished, and so far, restores small mixed bed running status, opens small mixed bed exhaust valve, closes small mixed bed sewage door, opens small mixed Bed goes out water valve, adjusts the aperture of small mixed bed bypass door, it is ensured that inner cold water water quality is qualified.

Compared with prior art, above-mentioned technical proposal of the present utility model has the advantages that：

1st, the yin and yang resin that the small mixed-bed resin on-line regeneration system of inner cold water is overcome present in prior art cannot divide From the problem that, regenerated liquid mutually pollutes, by being pre-processed to hybrid resin online, dosing regeneration, can reach and meet small Mixed-bed resin is regenerated, and inner cold water water quality requirement is met after regeneration.

2nd, resin uses regenerant solution in the case of without pretreatment, not using scouring to separate in small mixed bed （Using alkaline salt of weak acid and the mixed solution of ammoniacal liquor）Full of small mixed bed, the time control of regenerant solution immersion resin is small 6 When more than, resin is fully regenerated.

3rd, on-line regeneration can be carried out to the small mixed-bed resin of inner cold water in the case where not influenceing inner cold water to run, it is ensured that The water quality of inner cold water, while saving workload, also saves the expense for more renewing resin.

Brief description of the drawings

Fig. 1 is the system of the preferred embodiment according to the small mixed-bed resin on-line regeneration system of inner cold water of the present utility model Structural representation；

Reference：

1st, small mixed bed exhaust valve, 2, small mixed bed intake gate, 3, small mixed bed bypass door, 4, small mixed bed go out water valve, 5, small mixed bed Resin transfer door, 6, small mixed bed sewage door, 7, the small mixed bed of inner cold water.

Specific embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment for being obtained, belongs to the scope of the utility model protection.

In order to overcome resin in the small mixed bed of generator cooling-water system to update the problems of in the prior art, The utility model embodiment proposes a kind of small mixed-bed resin on-line regeneration system of inner cold water for generator, and the system has small Mixed bed exhaust valve, small mixed bed intake gate, small mixed bed bypass door, small mixed bed go out water valve, small mixed-bed resin conveying door, small mixed bed blowdown Door, small mixed bed exhaust valve, small mixed-bed resin conveying door and small mixed bed sewage door connect the small mixed bed of inner cold water by pipeline respectively, small One end connection small mixed bed of inner cold water of mixed bed intake gate, the connecting line of the other end of the small mixed bed of inner cold water and small mixed bed sewage door On be additionally provided with small mixed bed bypass door and small mixed bed goes out water valve, this design structure can be in the situation that do not influenceing inner cold water to run Under, on-line regeneration is carried out to the small mixed-bed resin of inner cold water.

As shown in figure 1, the small mixed-bed resin on-line regeneration system of the inner cold water of the present embodiment includes small mixed bed exhaust valve 1st, small mixed bed intake gate 2, small mixed bed bypass door 3, small mixed bed go out water valve 4, small mixed-bed resin conveying door 5 and small mixed bed sewage door 6, Small mixed bed exhaust valve 1, small mixed bed intake gate 2, small mixed-bed resin conveying door 5, small mixed bed sewage door 6 respectively with the small mixed bed of inner cold water 7 are connected.

The small mixed-bed resin on-line regeneration system of inner cold water described in the present embodiment, small mixed-bed resin conveys door 5 and inner cold water Small mixed bed 7 is connected by pipeline.

The small mixed-bed resin on-line regeneration system of inner cold water described in the present embodiment, small mixed bed sewage door 6 is small with inner cold water mixed Bed 7 is connected by pipeline.

The small mixed-bed resin on-line regeneration system of inner cold water described in the present embodiment, small mixed bed exhaust valve 1 is connected by pipeline The small mixed bed 7 of inner cold water, exhaust valve flange is provided with small mixed bed exhaust valve 1 and the connecting line of the small mixed bed 7 of inner cold water.

The small mixed-bed resin on-line regeneration system of inner cold water described in the present embodiment, one end of small mixed bed intake gate 2 is by pipe Road connects the small mixed bed 7 of inner cold water, and the other end of small mixed bed intake gate 2 is connected by pipeline with one end of small mixed bed bypass door 3.

The small mixed-bed resin on-line regeneration system of inner cold water described in the present embodiment, the other end of small mixed bed bypass door 3 passes through One end that pipeline goes out water valve 4 with small mixed bed is connected, and small mixed bed goes out the other end and small mixed bed sewage door 6 and inner cold water of water valve 4 The connecting line of small mixed bed 7 is connected.

The small mixed-bed resin on-line regeneration system of inner cold water described in the present embodiment, the small mixed-bed resin on-line regeneration system of inner cold water Unite carries out the on-line regeneration of resin using regenerant solution full of the small mixed bed 7 of inner cold water, and regenerant solution passes through exhaust valve flange The injection small mixed bed 7 of inner cold water.

The small mixed-bed resin on-line regeneration system of inner cold water described in the present embodiment, regenerant solution is by alkaline salt of weak acid and ammonia Water mixing is constituted.

The small mixed-bed resin on-line regeneration system of inner cold water described in the present embodiment, opens small mixed bed bypass door, closes small mixed Bed intake gate, small mixed bed go out water valve and small mixed bed exhaust valve, and the small mixed bed of inner cold water is isolated, and then open small mixed bed blowdown Water in the small mixed bed of goalkeeper is drained, and then opens the exhaust valve flange on the top of the small mixed bed of inner cold water, is added by alkaline salt of weak acid The regenerant solution mixed with ammoniacal liquor, regenerant solution is full of the small mixed bed of inner cold water, restores the exhaust on the small mixed bed top of inner cold water Door flange, after meeting the resin regeneration time, then opens small mixed bed intake gate and small mixed bed sewage door, regulates flow and is put Change, rinse, after water outlet meets standard, the on-line regeneration process of the small mixed-bed resin of inner cold water is finished, so far, restore small mixed bed fortune Row state, opens small mixed bed exhaust valve, closes small mixed bed sewage door, opens small mixed bed and goes out water valve, adjusts small mixed bed bypass door Aperture, it is ensured that inner cold water water quality is qualified.The operating process of the small mixed-bed resin on-line regeneration system of inner cold water of the present embodiment is specific It is as follows：

Step one, opens the small mixed bed bypass door 3 of the small mixed bed 7 of inner cold water, closes the small mixed bed water inlet of the small mixed bed 7 of inner cold water Door 2, small mixed bed goes out water valve 4 and small mixed bed exhaust valve 1, and the small mixed bed 7 of inner cold water is isolated.

Step 2, opens the small mixed bed sewage door 6 of the small mixed bed 7 of inner cold water, and in the small mixed bed of inner cold water 7 water is all put To the greatest extent.

Step 3, opens the exhaust valve flange on the top of the small mixed bed 7 of inner cold water, adds regenerant solution（It is weak using alkalescence The mixed solution of hydrochlorate and ammoniacal liquor）, make regenerant solution full of the small mixed bed 7 of inner cold water, regenerant solution immersion resin time control System made resin fully regenerate more than 6 hours.

Step 4, restores the exhaust valve flange on the small top of mixed bed 7 of inner cold water.

Step 5, after the resin regeneration time meets the condition described in step 3, the small mixed bed for opening the small mixed bed 7 of inner cold water is entered Water valve 2 and small mixed bed sewage door 6, regulate flow（3 to 5 tons ,/hour）Enter line replacement, rinse.

Step 6, the water outlet to the small mixed bed 7 of inner cold water is chemically examined, and 2 μ are less than to the small water outlet conductivity of mixed bed 7 of inner cold water S/cm, water outlet meets standard, causes this, and the small mixed-bed resin regeneration of inner cold water is finished.

Step 7, restores the small running status of mixed bed 7 of inner cold water, opens small mixed bed exhaust valve 1, closes small mixed bed sewage door 6, Open small mixed bed and go out water valve 4, adjust the aperture of small mixed bed bypass door 3, it is ensured that electric generator inner cooling water water quality is qualified.

The operating process of the above-mentioned small mixed-bed resin on-line regeneration system of inner cold water of the present embodiment need not increase additionally Power, the hydraulic pressure and water using water- cooling generator is enough, it is not necessary to take out the resin in small mixed bed, it is not necessary to divided From, directly being regenerated in small mixed bed, method is simple, and effect is good.Resin can be reused at least after being regenerated under this technique Year, it is ensured that inner cold water water electric conductivity is less than 2 μ S/cm, pH value 8-9.

The small mixed-bed resin on-line regeneration system of inner cold water described in the present embodiment, overcomes the moon present in prior art The problem that positive resin cannot be separated, regenerated liquid mutually pollutes, by being pre-processed to hybrid resin online, dosing regeneration, energy Enough reach and meet small mixed-bed resin regeneration, inner cold water water quality requirement is met after regeneration；Resin without pretreatment, do not use wiping In the case of washing separation, regenerant solution is used in small mixed bed（Using alkaline salt of weak acid and the mixed solution of ammoniacal liquor）Full of small Mixed bed, the time control of regenerant solution immersion resin made resin fully regenerate more than 6 hours；Can not influence interior cold In the case of water running, on-line regeneration is carried out to the small mixed-bed resin of inner cold water, it is ensured that the water quality of inner cold water, while saving work Measure, also save the expense for more renewing resin.

The above is only that preferred embodiment of the present utility model is described, and is not to model of the present utility model Enclose and be defined, on the premise of the utility model design spirit is not departed from, this area ordinary skill technical staff is to this practicality Various modifications and improvement that new technical scheme is made, all should fall into the protection model that claims of the present utility model determine In enclosing.

Claims (10)

1. a kind of small mixed bed of the small mixed-bed resin on-line regeneration system of inner cold water, including inner cold water（7）, it is characterised in that：The system Also include small mixed bed exhaust valve（1）, small mixed bed intake gate（2）, small mixed-bed resin conveying door（5）With small mixed bed sewage door（6）, institute State small mixed bed exhaust valve（1）, small mixed bed intake gate（2）, small mixed-bed resin conveying door（5）, small mixed bed sewage door（6）Respectively with it is interior The small mixed bed of cold water（7）It is connected.

2. the small mixed-bed resin on-line regeneration system of inner cold water as claimed in claim 1, it is characterised in that：The small mixed-bed resin Conveying door（5）With the small mixed bed of inner cold water（7）It is connected by pipeline.

3. the small mixed-bed resin on-line regeneration system of inner cold water as claimed in claim 1, it is characterised in that：The small mixed bed blowdown Door（6）With the small mixed bed of inner cold water（7）It is connected by pipeline.

4. the small mixed-bed resin on-line regeneration system of inner cold water as claimed in claim 1, it is characterised in that：The small mixed bed exhaust Door（1）The small mixed bed of inner cold water is connected by pipeline（7）.

5. the small mixed-bed resin on-line regeneration system of inner cold water as claimed in claim 4, it is characterised in that：The small mixed bed exhaust Door（1）With the small mixed bed of inner cold water（7）Connecting line on be provided with exhaust valve flange.

6. the small mixed-bed resin on-line regeneration system of inner cold water as claimed in claim 1, it is characterised in that：The inner cold water is small mixed Bed resin on-line regeneration system also includes small mixed bed bypass door（3）Go out water valve with small mixed bed（4）.

7. the small mixed-bed resin on-line regeneration system of inner cold water as described in claim 1 or 6, it is characterised in that：The small mixed bed Intake gate（2）One end by pipeline connect the small mixed bed of inner cold water（7）, the small mixed bed intake gate（2）The other end by pipe Road and small mixed bed bypass door（3）One end be connected.

8. the small mixed-bed resin on-line regeneration system of inner cold water as claimed in claim 7, it is characterised in that：The small mixed bed bypass Door（3）The other end water valve is gone out with small mixed bed by pipeline（4）One end be connected, the small mixed bed goes out water valve（4）It is another End and small mixed bed sewage door（6）With the small mixed bed of inner cold water（7）Connecting line be connected.

9. the small mixed-bed resin on-line regeneration system of inner cold water as described in claim 1 or 5, it is characterised in that：The inner cold water Small mixed-bed resin on-line regeneration system is full of the small mixed bed of inner cold water using regenerant solution（7）Carry out the on-line regeneration of resin, institute State regenerant solution and the small mixed bed of inner cold water is injected by exhaust valve flange（7）.

10. the small mixed-bed resin on-line regeneration system of inner cold water as claimed in claim 9, it is characterised in that：The regenerative agent is molten Liquid includes alkaline salt of weak acid and ammoniacal liquor.