CN105174373B - A method of it reducing condensate polishing treatment regenerative system and mixes fat - Google Patents
A method of it reducing condensate polishing treatment regenerative system and mixes fat Download PDFInfo
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- CN105174373B CN105174373B CN201510610148.1A CN201510610148A CN105174373B CN 105174373 B CN105174373 B CN 105174373B CN 201510610148 A CN201510610148 A CN 201510610148A CN 105174373 B CN105174373 B CN 105174373B
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Abstract
A method of it reducing condensate polishing treatment regenerative system and mixes fat, the regenerative system refer to " middle pumping method " or be based on " middle pumping method " improved system, it includes at least positive regenerator, cloudy regenerator, resin storage tower and associated ping and respective valves, contain negative resin in the positive resin that the mixed fat is primarily referred to as in positive regenerator, the method is：The positive resin is regenerated in positive regenerator just washes step, including just washing step into entering after acid regeneration, displacement, scouring, backwash, wait for that positive resin settles completely in positive regenerator, the negative resin above positive resin is delivered to cloudy regenerator by being located at the multiple program controlled switches installed on the mixed fat transfer pipeline and pipeline above positive resin interface at 8-12cm and pneumatic operated valve；The features such as it significantly improves precision processing mixed -bed effluent quality, extends the effect of water production in periodic mode with that can improve condensate polishing treatment mixed-bed resin regeneration degree, and process is simple, and effect is good, and easy to implement.
Description
Technical field
The method that the present invention relates to a kind of to mix fat for reducing condensate polishing treatment regenerative system belongs to a kind of automatic
The technical field of control system.
Background technology
Condensate polishing treatment mixed bed generally uses external regeneration, by resin transfer in mixed bed to special regenerative system.Root
It is different according to the structure of yin and yang resin knockout tower, it is generally divided into " middle pumping method ", " high tower method ", " cone bucket method " three kinds of regeneration methods.It is early
The regenerative system of phase mostly uses " middle pumping method " regeneration, and principle is to utilize precision processing yin and yang resin density contrast, by backwash in sun
Regenerator（CRT）Middle separation, positive resin stays in positive regenerator after the completion of separation（CRT）, negative resin passes through the middle and lower parts CRT negative resin
Conveyance conduit is delivered to cloudy regenerator（ART）, yin and yang resin is delivered to resin storage tower after the completion of regeneration（RST）Mixing, which is rinsed, closes
Lattice are spare, and part mixes fat and stays in the bottoms ART.Due to the special knockout tower of unspecial design structure（CRT also serves as knockout tower）, therefore
Relative to " high tower method " and " cone bucket method " inferior separating effect, yin and yang resin can not be kept completely separate in CRT backwash process, cause
" middle pumping method " CTR positive resins are often mixed with part negative resin in actual application, this part negative resin is regenerated in positive resin
It is completely converted into chloride type resin in the process, is finally sent into precision processing mixed bed, it is very big on the influence of the effluent quality of precision processing mixed bed, when
Stove water will seriously affect stove water hydrogen and lead when using naoh treatment, have to out cauldron platoon to ensure that stove water hydrogen leads qualification
Or failure precision processing mixed bed is withdrawn from, and cause unit thermal loss and make-up water percentage to rise, precision processing mixed bed water production in periodic mode declines, then
Raw number rises, and regenerated acid and alkali consumption increases, and wastewater treatment capacity increases.
Invention content
Present invention aims to overcome that the shortcomings of the prior art, and one kind is provided and makes full use of the excellent of " middle pumping method "
Point overcomes the limitation of " middle pumping method " precision processing regenerative system, can improve condensate polishing treatment mixed-bed resin regeneration degree, significantly carry
High precision processing mixed -bed effluent quality, extends the effect of water production in periodic mode, and process is simple, and effect is good, and easy to implement subtracts
The method that few condensate polishing treatment regenerative system mixes fat.
The purpose of the present invention is come what is completed, a kind of reduction condensate polishing treatment regenerative system is mixed by following technical solution
The method of fat, the regenerative system refers to " middle pumping method " or is based on " middle pumping method " improved system, it includes at least sun again
Raw tower, cloudy regenerator, resin storage tower and associated ping and respective valves, the mixed fat are primarily referred to as the sun in positive regenerator
Contain negative resin in resin, the method is：The positive resin is regenerated in positive regenerator just washes step, including into acid
Regeneration displacement, cleans, enters after backwash and just wash step, waits for that positive resin settles completely in positive regenerator, the cloudy tree above positive resin
Fat by be located at the multiple program controlled switches installed on the mixed fat transfer pipeline and pipeline at the places 8-12cm above positive resin interface with
Pneumatic operated valve is delivered to cloudy regenerator.
Positive resin regeneration is just washed in step in sun regenerator of the present invention, is just being washed after ten minutes, positive resin settles completely
Afterwards, the negative resin above positive resin is subjected to following supplying step：
A. it just washes conveying top and mixes fat, open the inlet valve of positive regenerator, open positive regenerator negative resin transfer valve, open
Cloudy regenerator just washes drain valve, remaining valve is closed, and opens regeneration flush water pump, conveys 5 minutes；
B. fat is mixed on backwash conveying top, opens positive regenerator backwash inlet valve, and conveying mixes fat and closed after 2 minutes；
C. it just washes conveying and mixes fat, keep the valve state in a steps, continue to convey mixed fat 3 minutes；
D. it mixes fat conveying to terminate, closes regenerator negative resin transfer valve, cloudy regenerator just washes drain valve, opens positive regenerator
Drain valve, continuation are just washed.
The regeneration that sun regenerator of the present invention is just being washed just is washing Step Time and is accordingly extending 10 minutes.
The present invention is by positive resin into after acid regeneration, displacement, and theoretically positive resin has been completely converted into h type resin, mixes
Some negative resins have been completely converted into chloride type resin, and resin volume expansion, by cleaning, after backwash, yin and yang resin can be formed
Apparent interface, negative resin are located at positive resin surface because density is small；
The present invention conveys the tops CRT by increase and mixes fat regeneration step, and pipeline, the valve of original conveying negative resin is utilized
Door, need not carry out hardware modification；
The present invention significantly improves precision processing mixed bed water outlet water with that can improve condensate polishing treatment mixed-bed resin regeneration degree
The features such as matter extends the effect of water production in periodic mode, and process is simple, and effect is good, and easy to implement.
Description of the drawings
Fig. 1 is " middle pumping method " precision processing regenerative system flow diagram of the present invention.
Specific implementation mode
Below in conjunction with attached drawing, the present invention will be described in detail：The present invention is suitable for " pumping method " precision processing regeneration system
System, or increase knockout tower on this basis（High tower）Regenerative system afterwards, it is desirable that necessary at CRT positive resin layers top about 10cm
There are resin supplying channel and respective valves, ART negative resins to be conveyed from tower body middle and lower part, bottom is mixed fat and stayed in tower body, otherwise institute
The method stated cannot achieve.
Shown in Fig. 1, a method of reduce condensate polishing treatment regenerative system mix fat, the regenerative system refer to " in
Pumping method " is based on " middle pumping method " improved system, it includes at least positive regenerator CRT, cloudy regenerator ART, resin storage tower
RST and associated ping and respective valves contain negative resin in the positive resin that the mixed fat is primarily referred to as in positive regenerator CRT,
The method is：The positive resin is regenerated in positive regenerator CRT just washes step, including into acid regeneration, displacement, wiping
It washes, enter after backwash and just wash step, wait for that positive resin settles completely in positive regenerator CRT, the negative resin above positive resin passes through position
The multiple program controlled switches and pneumatic operated valve installed on mixed fat transfer pipeline and pipeline above the positive resin interface at 8-12cm are defeated
It send to cloudy regenerator ART.
The preferred embodiment of the invention is：Positive resin regeneration is just washed in step in the sun regenerator CRT, is just being washed 10 minutes
Afterwards, after positive resin sedimentation completely, the negative resin above positive resin is subjected to following supplying step：
A. it just washes conveying top and mixes fat, open the inlet valve C1 of positive regenerator CRT, it is defeated to open positive regenerator CRT negative resins
Valve A7 is sent, the moon regenerator ART is opened and is just washing drain valve A4, remaining valve is closed, and regeneration flush water pump is opened, and is conveyed 5 minutes；
B. fat is mixed on backwash conveying top, opens positive regenerator CRT backwash inlet valve C3A, and conveying mixes fat and closed after 2 minutes；
C. it just washes conveying and mixes fat, keep the valve state in a steps, continue to convey mixed fat 3 minutes；
D. it mixes fat conveying to terminate, closes regenerator CRT negative resin transfer valves A7, cloudy regenerator ART is just washing drain valve A4 and beating
Kaiyang regenerator CRT drain valve C4, continuation are just washed.
The regeneration that the sun regenerator CRT is just being washed just is washing Step Time and is accordingly extending 10 minutes.
Embodiment 1：
As shown in Figure 1, mixed fat transfer pipeline is located at CRT positive resins interface top 10cm, and in middle pumping method regenerative system, CRT
Knockout tower and positive resin regenerator are also served as, after yin and yang resin detaches in a crt, negative resin is delivered to ART by the conveyance conduit.
The method utilizes the conveyance conduit, CRT positive resins, into step is just washed, just to be washed into after acid regeneration, displacement, scouring, backwash
After ten minutes, wait for that CRT resins settle completely, into program of the present invention.
Conveying top is just washed first and mixes fat 1, and because of volume expansion after resin regeneration, therefore top negative resin has been located in mixed fat
It above conveyance conduit, is completed until just washing conveying, fat is mixed into backwash conveying top, to ensure that top negative resin is sent out completely,
It need to intake in resin layer lower part, so that entire resin boundary surface rises, be less than the resin boundary surface of mixed fat conveyance conduit originally again
It rises to above the outlet, after resin expansion, 2 step of fat is mixed into conveying is just washed, valve switch state and just wash conveying and mix
1 step of fat is identical, after the mixed fat conveyance conduits of CRT are sent out without resin, goes successively to just wash step.
Negative resin existing for positive resin top in CRT when the invention the method is not used, this part are that resin detaches not
Completely or resin remaining when negative resin is conveyed, because positive resin is into regeneration of hydrochloric acid, therefore the part negative resin has been completely converted into
Chloride type resin.
After the invention the method, negative resin has almost been can't see on positive resin top in CRT, effectively reduces condensed water
Precision processing regenerative system mixes fat, improves negative resin regeneration degree, extends the water production in periodic mode of precision processing mixed bed.
Claims (2)
1. a kind of method for reducing condensate polishing treatment regenerative system and mixing fat, the regenerative system refer to " middle pumping method " or are based on
" middle pumping method " improved system, it includes at least positive regenerator（CRT）, cloudy regenerator（ART）, resin storage tower（RST）And
Associated ping and respective valves, the mixed fat are primarily referred to as positive regenerator（CRT）Contain negative resin in interior positive resin, it is special
Sign is that the method is：The positive resin is in positive regenerator（CRT）In regenerated and just wash step, including into acid regeneration,
Displacement cleans, enters after backwash and just wash step, waits for positive regenerator（CRT）Interior positive resin settles completely, the cloudy tree above positive resin
Fat by be located at the multiple program controlled switches installed on the mixed fat transfer pipeline and pipeline at the places 8-12cm above positive resin interface with
Pneumatic operated valve is delivered to cloudy regenerator（ART）；
The sun regenerator（CRT）Interior positive resin regeneration is just washed in step, is just being washed after ten minutes, will after positive resin sedimentation completely
Negative resin above positive resin carries out following supplying step：
A. it just washes conveying top and mixes fat, open positive regenerator（CRT）Inlet valve（C1）, open positive regenerator（CRT）Negative resin
Transfer valve（A7）, open cloudy regenerator（ART）Just wash drain valve（A4）, the closing of remaining valve, startup regeneration flush water pump, conveying
5 minutes；
B. fat is mixed on backwash conveying top, opens positive regenerator（CRT）Backwash inlet valve（C3A）, convey mixed fat and closed after 2 minutes；
C. it just washes conveying and mixes fat, keep the valve state in a steps, continue to convey mixed fat 3 minutes；
D. it mixes fat conveying to terminate, closes positive regenerator（CRT）Negative resin transfer valve（A7）, cloudy regenerator（ART）Just wash drain valve
（A4）, open positive regenerator（CRT）Drain valve（C4）, continue just to wash.
2. the method according to claim 1 for reducing condensate polishing treatment regenerative system and mixing fat, it is characterised in that the sun
Regenerator（CRT）The regeneration just washed just is washing Step Time and is accordingly extending 10 minutes.
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| CN201510610148.1A CN105174373B (en) | 2015-09-23 | 2015-09-23 | A method of it reducing condensate polishing treatment regenerative system and mixes fat |
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| CN201510610148.1A CN105174373B (en) | 2015-09-23 | 2015-09-23 | A method of it reducing condensate polishing treatment regenerative system and mixes fat |
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| CN105174373B true CN105174373B (en) | 2018-09-14 |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105618163A (en) * | 2016-01-22 | 2016-06-01 | 江阴市尚时环境工程有限公司 | Resin regeneration method of condensate polishing high tower separation method regeneration system |
| CN105776427B (en) * | 2016-04-28 | 2018-05-29 | 国网河南省电力公司电力科学研究院 | A kind of generating set condensate polishing treatment regenerative system remodeling method |
| CN107121303B (en) * | 2017-06-20 | 2023-07-28 | 宁夏京能宁东发电有限责任公司 | On-line resin sampling device and method |
| CN110064440B (en) * | 2019-04-28 | 2022-05-03 | 浙江浙能嘉华发电有限公司 | Secondary conveying method and device for mixed grease of condensate polishing regeneration system |
| CN110639626B (en) * | 2019-09-20 | 2021-07-13 | 润电能源科学技术有限公司 | Resin regeneration conveying process control method, device, equipment and storage medium |
| CN111298849A (en) * | 2020-04-13 | 2020-06-19 | 浙江海盐力源环保科技股份有限公司 | Anion resin regenerating unit |
| CN112358010B (en) * | 2020-11-26 | 2023-01-31 | 西安热工研究院有限公司 | Device and method for preventing resin in exhaust pipeline of resin in-vitro regeneration system from leaking |
| CN113697900B (en) * | 2021-03-04 | 2022-12-06 | 国能蚌埠发电有限公司 | Full-automatic regeneration system of smart processing |
| CN114115158A (en) * | 2021-11-29 | 2022-03-01 | 翟庆 | Automatic control method based on gas utilization process of DCS (distributed control system) |
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| CN1919460A (en) * | 2006-07-29 | 2007-02-28 | 安徽省电力科学研究院 | Duel compartment coagulation mixed beds external regeneration knockout tower and regeneration art work |
| CN101780422A (en) * | 2010-03-05 | 2010-07-21 | 南京中电联环保股份有限公司 | Four-tower mixed ion exchanger resin external separation regeneration method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1054019A (en) * | 1990-08-30 | 1991-08-28 | 华东电业管理局望亭发电厂 | The new method that hybrid resin separates fully |
| CN1159428A (en) * | 1997-02-05 | 1997-09-17 | 张行赫 | Condensate refining treatment ion exchange resin regeneration system and equipment |
| CN2529863Y (en) * | 2002-03-06 | 2003-01-08 | 华电水处理技术工程有限公司 | Fine treatment and separating installation of condensate |
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