CN101289237B - System for preparing regeneration reducing solution for water treatment - Google Patents
System for preparing regeneration reducing solution for water treatment Download PDFInfo
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- CN101289237B CN101289237B CN2008101005929A CN200810100592A CN101289237B CN 101289237 B CN101289237 B CN 101289237B CN 2008101005929 A CN2008101005929 A CN 2008101005929A CN 200810100592 A CN200810100592 A CN 200810100592A CN 101289237 B CN101289237 B CN 101289237B
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Abstract
The invention relates to a large-scale industrial water treatment system, in particular to a system for preparing regeneration and reduction solution for water treatment. The system is a totally enclosed system, which comprises that: an initial end of a first pipe part is connected with a desalting water tank, a heating device and a self-use desalting water pump; a middle pipe of a second pipe part is provided with another inlet end which is connected with a main pipe for industrial regenerating agent concentrated acid; another pipe in the middle is connected with a main pipe for regenerating agent industrial concentrated caustic soda; the end of a third pipe body is an outlet end for prepared regenerating solution, and the pipe body is respectively connected with a cation exchanger, an anion exchanger, a mixed-ion exchanger and inlet doors of a storage tank for cationite and a storage tank for anionite. The system is characterized by small volume, small floor area, low space height, simplicity, and the like; remote automatic or local drive of the system is easily controlled and adjusted. The system also has the advantages that the concentration of the regeneration and reduction solution prepared by the system is stable and accurate, the precision can be over 0.01L; the system is environment friendly and the operation of the system is safe and reliable.
Description
Technical field
The present invention relates to a kind of primary device that is mainly used in the large scale industry water treatment system---the industriallization regeneration reducing system of ion-exchanger.
Background technology
The system for preparing regeneration reducing solution for water treatment that uses now is that employing is equipped with full concentrated acid or the concentrated base batch meter is taken concentrated acid or concentrated alkali solution in the entering de-mineralized water pipeline out of through the injection stream device; The exit end of injection stream device is connected on mother's pipe of regeneration reducing solution; After concentrated acid or concentrated alkali solution get into the de-mineralized water pipeline; Naturally mix and reach even; Get into the regeneration reducing work of carrying out ionite in the interchanger through the special-purpose inlet device of ion-exchanger at last, again through water-freeing arrangement effluent discharge in the middle of special-purpose.Waste liquid enters neutralization tank and is disposed to nature after pending.Its concentrated acid batch meter top also connects the acid mist resorber except that being connected with the concentrated acid upflow tube, the acid mist resorber is to rely on the mode of trickle to reduce acid mist, and its residual acid mist then enters atmosphere.Sewage door and concentrated acid or concentrated base outlet portal are established in the batch meter bottom, and liquidometer and electronic level meter are on the spot established in the centre.Also do not consider the design of systems such as water treatment r-o-, electrodialysis appts and cleaning in this type systematic, if consider different system equipment and pretreatment system, system will be complicated more.
Along with constantly bringing forth new ideas of new technology, new installation, the safety of the corrosion-resistant positive-displacement metering pump in home and abroad, no leaks, metering accuracy all improve a lot.The a large amount of preparations of industriallization are poisonous, corrodibility and volatile solvent soln have not been the things that is difficult to, and choosing suitable volume pump is enough to this work of very safe completion.In water treatment work, acid, the basic soln of the metering of concentrated acid, concentrated base and configuration desired concn as adopt this Equipment Design, not only improved equipment exactness, simplified the layout of system, also avoided the faults such as run, drip, leak of system.With many problems such as operation inconvenience etc.(1). be difficult to prepare under positive pressure the reproduction operation that the regeneration reducing soup carries out ionite.(2). the existing regeneration system rapidly plan of home and abroad has nowadays become traditional design, but also has the drawback of operation preparation difficulty, and when the preparation of regenerated liquid difficulty just when negative pressure deficiency or normal pressure in the interchanger, even de-mineralized water can flow backwards in batch meter.(3). the particularly regeneration of secondary mixed ion exchanger, floating bed often owing to reasons such as ejectors, is difficult to prepare the regeneration soln of desired concn.(4). because the factor on the acid mist resorber principle of work, effect is not really desirable, and shed is always being filled the air and had toxic HCl smell; When the imprecision of batch meter or subsequent use concentrated acid, concentrated base all can concentrated acid take place accidentally or concentrated base overflows, this all can threaten to the safety of production unit, staff and Working environment.These all are the problems that exists in the configuration of traditional design and equipment, the production process.
The summary of the invention summary of the invention
The present invention provides a kind of environmental pollution little in order to solve the weak point of above-mentioned prior art, and corrodibility is little, stable system for preparing regeneration reducing solution for water treatment.
Technical scheme of the present invention is: system for preparing regeneration reducing solution for water treatment, and this system comprises: the first body portion initial end connects sweet-water tank and heating unit and personal desalination water pump; Piping is set up another entrance end connection cation exchanger with the female pipe of industrial regenerator concentrated acid in the middle of second body portion, and another piping of middle piping connects anion exchanger regenerator industry concentrated caustic mother pipe; The 3rd tube body end is the regeneration soln exit end for preparing; Its tube body is connected the access doors of cation exchanger, anion exchanger, mixed ion exchanger, cationite storage tank and anionite storage tank respectively; Middle many equipment and piping are continuous industry regeneration soln compounding systems; By the pressure of concentrated acid or concentrated base volume pump it is delivered to respectively in the personal de-mineralized water solvent conduit of mobile, has in this pipeline and the device systems in the automatic analysis piping of stopple coupon and disacidify or alkali densimeter on the spot; In addition, also have pipe flushing system and concentration, flow is adjusted with valve and many by-pass valve controls.
Full iron stopping valve and other alkaline-resisting pipings, line with rubber piping, diaphragm valve and acid-and base-resisting SV are arranged in the said system.
Said system is a cover volatility, poison, the totally-enclosed system of corrosive liquid liquid solution, is not communicated with atmosphere.
Said system outlet pressure is no more than 4MPa.
Adopt corrosion-resistant positive-displacement metering pump in the said system, volume pump as: the Mi Dunluo series pump, concentrated acid, concentrated base dosage pump adopt two barrier films.
Volume pump is established wash tub pipe and liquid discharge pipe in the said system.
The setting of said system can be established automation control system, but the direct draught operation, and liquid appearance can far send determining instrument to exercise supervision continuously.
Advantage of the present invention and effect:
1. system for preparing regeneration reducing solution for water treatment of the present invention, its concentration preparation curve can arbitrarily be adjusted, and has or not positive negative pressure irrelevant in regeneration soln concentration curve and batch meter liquid level and the bed, and the strength of solution value of being prepared is accurate and stable.
2. slave unit layout and safety and environmental protection aspect are following: because system has abandoned the acid mist absorber design; It is closed system; Make the HCl gas of batch meter and acid mist resorber lose the volatilization area of escaping, cancelled the design of acid mist resorber and the airborne release of discharge of wastewater and HCl gas.
3. compare from robotization control and economic performance aspect
1) can carry out the computer ctc, carry out a distant place or local operation, just metering pump system operating pressure claimed range is wide, and operation is got up easier. and more reliable. more be prone to detection and control etc.
2) from economic aspect relatively, though this design occupation of land is little, advantage is many, and the one-time investment outline is high, because volume pump is slightly higher than many equipment that saves and component price.According to present market, generally to invest hundreds of thousands of unit more, the investment difference changes with the size of water treatment scale, and the water treatment scale is big more, and price differential is more little.But, to take a long view, this composite design always replaces a day of existing traditional design scheme.This water treatment regeneration reducing liquid compounding system has also that volume is little, and floor space is little, spatial altitude low with characteristics such as system is simple; A distant place drives all easy to control, easy adjustment automatically or on the spot.Owing to be fixed after the adjustment of volume pump volume; So regeneration reducing solution concentration stabilize of its preparation; Consumption is confirmed and is accurate; But its precision accurate measurement is to more than the 0.01L, eliminated that error is big in the legacy system, equipment is many, equipment is huge and characteristics such as easy polluted air, and is more safe and reliable in the time of can making the system for preparing regeneration reducing solution operation.
This system except its more the environmental protection feature list to others for reference in down:
| The conventional design system | System after the innovation |
| (1) pipeline, equipment tie point are many, system complex, and breakthrough is many, and defective is many. | (1) the equipment integral contact is few, system is simple, and breakthrough is few. |
| (2) batch meter error in dipping big (error general 10～50 tons/year or more). | (2) its Measuring Precision can reach more than the 0.011/h.The control of being convenient to economic target is accomplished. |
| (3) required strength of solution preparation difficulty (as is difficult to prepare 12～18%HCl). | (3) but stop transport or the equal volume of regulated at will volume pump of operation, convenient and swift. |
| (4) it is long that batch meter is equipped with the liquid time, is prone to overflow, dangerous big (be mostly that the tight or corrosion failure of capping causes, batch meter and acid mist resorber again with atmosphere). | (4) can establish each one or do not establish of pH meter measuring tank, hold tank can directly connect the pipeline of pump.Acid or alkali lye system do not have spillway, and be safe. |
| (5) service life of equipment is short, is generally 2～3 years (being mainly the acid mist corrosion). | (5) metering room acid mist is few, and leak source is few, and equipment corrosion speed is slow.System life is long. |
| When (6) the equipment negative pressure is regenerated, manual work and in-line meter sampling difficulty, inconvenient instrument and manual monitoring (water treatment that therefore can't drop into the acid base concentration meter is many). | (6) equipment can be regenerated under positive pressure, and solution example can far send, and once table can be installed at a distance. |
Description of drawings
Fig. 1 is existing traditional system for preparing regeneration reducing solution for water treatment synoptic diagram;
Fig. 2 is a system for preparing regeneration reducing solution for water treatment configuration schematic diagram of the present invention;
Fig. 3 is Fig. 2 system for preparing regeneration reducing solution for water treatment synoptic diagram of the present invention;
Below in conjunction with accompanying drawing and embodiment the present invention is done further explain.
Embodiment
Shown in accompanying drawing 1-3; Among the figure: 1 and 2 is acidproof volume pumps; 3 and 4 is alkaline-resisting volume pumps, system for preparing regeneration reducing solution for water treatment of the present invention, and this system comprises: the first body portion initial end connects sweet-water tank and heating unit and desalination pure water impeller pump; Piping is set up another entrance end connection cation exchanger with the female pipe of industrial regenerator concentrated acid in the middle of second body portion, and concentrated acid, the outlet of concentrated base storage tank have filter screen.Middle another piping connects anion exchanger with the female pipe of regenerator industry concentrated caustic; The 3rd tube body end is the regeneration soln exit end for preparing; Its tube body is connected the access doors of cation exchanger, anion exchanger, mixed ion exchanger, cationite storage tank and anionite storage tank respectively, and this is the regenerator outlet for preparing.Middle many equipment and piping are preparation of continuous industry regeneration soln and delivery system; By the pressure of concentrated acid or concentrated base volume pump it is delivered to respectively in the personal de-mineralized water solvent conduit of mobile, has on the spot stopple coupon in this pipeline and the device systems and go densitometer to analyze piping automatically; In addition, also have pipe flushing system and concentration, flow is adjusted with valve and many by-pass valve controls.
Full iron stopping valve and piping, line with rubber piping, diaphragm valve and acid-and base-resisting SV are arranged in the said system.Its characteristics are anticorrosive metal, and when mishandle or equipment failure take place the operator, can well guarantee the person, equipment and safety of environment.Its sampling and flushing waste water flow into wastewater disposal basin and concentrate pending.
Said system is a cover poison, the totally-enclosed system of corrosive liquid solution, is not communicated with atmosphere, can avoid the volatilization loss of industrial concentrated hydrochloric acid solution, has also eliminated between making up a prescription and to the pollution of atmospheric environment.
No matter but system outlet is an equal ordinary production under the positive and negative pressure, and system outlet pressure is no more than 4MPa.Avoided the interior psia of interchanger must be controlled at the drawback that to produce below the 0.5MPa.
Adopt corrosion-resistant positive-displacement metering pump in the said system, volume pump is like the Mi Dunluo series pump, and concentrated acid, concentrated base dosage pump adopt two barrier films, be for the safety in operation that increases pump with improve its this running body work-ing life.
Volume pump is established wash tub pipe and liquid discharge pipe in the said system, and its purpose is repair and maintenance and when inspection flushing its residual acid or alkali lye is unlikely to hurt sb.'s feelings or equipment and system.
Said system is provided with automation control system, and direct draught operation liquid appearance is far sent the instrument METHOD FOR CONTINUOUS DETERMINATION.Because of it is direct draught operation, is convenient to the instrument METHOD FOR CONTINUOUS DETERMINATION so can liquid appearance far send, and has reduced the too high problem of bringing owing to SW is oversize of resistance value.
Principle of work
1. according to the ion-exchanger of water treatment pre-operation, little, big reverse washing finishes.Open its corresponding separately regenerator access doors and middle row's door again.This is second tube body.
2. inspection concentrated acid, concentrated base storage tank outlet portal are hold-open door and storage are arranged, and it is for use to start personal desalination centrifugal water pump of operation and heating unit.This is second tube body.
Open the glass rotameter outlet portal and adjust the access doors aperture, control pipeline de-mineralized water flow, and carry out the adjustment of de-mineralized water temperature with heating unit.Open the corresponding volume pump access doors of ion-exchanger, outlet portal.All the 3rd tube body valves outside the non-instrument detecting door of undeclared operation are normal closed gate.Adjust row's door and air inlet or intake gate maintenance ion-exchanger internal pressure 0.02---0.10MPa in the second tube body ion-exchanger.
A. start concentrated acid, the concentrated base volume pump is prepared acidity or alkali reclaim solution respectively, and rotates its volume indicator adjustment desired concn value.Carry out the regeneration reducing work of yin, yang or mixed ion exchanger respectively.
B. the concentrated acid concentrated base is with the volume pump 15min that gos and buy Chinese medicine---and stop the operation of concentrated acid or concentrated base volume pump behind the 60min, and close it and import and export door.Make regeneration reducing equipment get into the displacement stage.
C. follow-up operation is a step commonly used now, repeats no more here.
In the present invention, concentrated acid, concentrated base storage tank exit do not establish filter screen and add before using volume pump instead line strainer all can, do not add filtration and can yet.Because the regeneration reducing agent is used in water treatment now---solid impurity is seldom in industrial concentrated acid and the concentrated caustic; So filter by using producer to select arbitrarily.
Claims (7)
1. system for preparing regeneration reducing solution for water treatment; It is characterized in that this system comprises: the first body portion initial end connects sweet-water tank and heating unit and desalination pure water impeller pump; Piping is set up another the female pipe of entrance end connection cation exchanger industry regenerator concentrated acid in the middle of second body portion; Another piping connects the female pipe of anion exchanger regenerator industry concentrated caustic; The 3rd tube body end is the regeneration soln exit end for preparing; Its tube body is connected the access doors of cation exchanger, anion exchanger, mixed ion exchanger, cationic exchange storage tank and anionresin storage tank respectively; Middle many equipment and piping are continuous industry regeneration soln compounding systems, by the pressure of concentrated acid or concentrated base volume pump it are delivered to respectively in the personal de-mineralized water solvent conduit of mobile, have on the spot stopple coupon in this pipeline and the device systems and go densitometer to analyze piping automatically; In addition, also have pipe flushing system and concentration, flow is adjusted with valve and many by-pass valve controls.
2. a kind of system for preparing regeneration reducing solution for water treatment according to claim 1 is characterized in that having in the said system full iron stopping valve and piping, line with rubber piping, diaphragm valve and acid-and base-resisting SV.
3. a kind of system for preparing regeneration reducing solution for water treatment according to claim 1 is characterized in that said system is a cover volatility, poison, the totally-enclosed system of corrosive liquid solution, is not communicated with atmosphere.
4. a kind of system for preparing regeneration reducing solution for water treatment according to claim 1 is characterized in that said system outlet pressure is no more than 4MPa.
5. a kind of system for preparing regeneration reducing solution for water treatment according to claim 1 is characterized in that adopting corrosion-resistant positive-displacement metering pump in the said system, and volume pump is: the Mi Dunluo series pump, concentrated acid, concentrated base volume pump adopt two barrier films.
6. a kind of system for preparing regeneration reducing solution for water treatment according to claim 1 is characterized in that volume pump is established wash tub pipe and liquid discharge pipe in the said system.
7. a kind of system for preparing regeneration reducing solution for water treatment according to claim 1 is characterized in that said system is provided with automation control system, and direct draught operation liquid appearance is far sent the instrument METHOD FOR CONTINUOUS DETERMINATION.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101005929A CN101289237B (en) | 2008-05-20 | 2008-05-20 | System for preparing regeneration reducing solution for water treatment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101005929A CN101289237B (en) | 2008-05-20 | 2008-05-20 | System for preparing regeneration reducing solution for water treatment |
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| Publication Number | Publication Date |
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| CN101289237A CN101289237A (en) | 2008-10-22 |
| CN101289237B true CN101289237B (en) | 2012-08-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2008101005929A Expired - Fee Related CN101289237B (en) | 2008-05-20 | 2008-05-20 | System for preparing regeneration reducing solution for water treatment |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101905227B (en) * | 2010-07-01 | 2012-07-25 | 徐浩 | Automatic washing and solution preparing system and method for pipeline system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1304889A (en) * | 1999-11-19 | 2001-07-25 | 罗姆和哈斯公司 | Water treatment method and device |
| CN2865851Y (en) * | 2005-12-23 | 2007-02-07 | 鲁洲生物科技（山东）有限公司 | Ion exchange regenerative liquid recirculation equipment |
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2008
- 2008-05-20 CN CN2008101005929A patent/CN101289237B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1304889A (en) * | 1999-11-19 | 2001-07-25 | 罗姆和哈斯公司 | Water treatment method and device |
| CN2865851Y (en) * | 2005-12-23 | 2007-02-07 | 鲁洲生物科技（山东）有限公司 | Ion exchange regenerative liquid recirculation equipment |
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| CN101289237A (en) | 2008-10-22 |
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Granted publication date: 20120822 Termination date: 20140520 |