CN107349972A - The renovation process of corrosivity anion removal device and anion exchange resin - Google Patents
The renovation process of corrosivity anion removal device and anion exchange resin Download PDFInfo
- Publication number
- CN107349972A CN107349972A CN201610653816.3A CN201610653816A CN107349972A CN 107349972 A CN107349972 A CN 107349972A CN 201610653816 A CN201610653816 A CN 201610653816A CN 107349972 A CN107349972 A CN 107349972A
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- Prior art keywords
- anion
- water
- anion exchange
- mentioned
- corrosivity
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- 150000001450 anions Chemical class 0.000 title claims abstract description 69
- 239000003957 anion exchange resin Substances 0.000 title claims abstract description 54
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000009418 renovation Methods 0.000 title claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 103
- 238000012545 processing Methods 0.000 claims abstract description 62
- 238000005349 anion exchange Methods 0.000 claims abstract description 41
- 230000008929 regeneration Effects 0.000 claims abstract description 23
- 238000011069 regeneration method Methods 0.000 claims abstract description 23
- 239000007864 aqueous solution Substances 0.000 claims abstract description 13
- 238000005649 metathesis reaction Methods 0.000 claims abstract description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 35
- 239000001301 oxygen Substances 0.000 claims description 35
- 229910052760 oxygen Inorganic materials 0.000 claims description 35
- 238000011010 flushing procedure Methods 0.000 claims description 25
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims description 20
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 16
- 238000001914 filtration Methods 0.000 claims description 9
- 229910000030 sodium bicarbonate Inorganic materials 0.000 claims description 9
- 238000005273 aeration Methods 0.000 claims description 6
- 239000011347 resin Substances 0.000 claims description 6
- 229920005989 resin Polymers 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 3
- 239000012492 regenerant Substances 0.000 claims description 2
- 238000005260 corrosion Methods 0.000 abstract description 30
- 230000007797 corrosion Effects 0.000 abstract description 27
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 24
- 238000010586 diagram Methods 0.000 description 12
- 238000011144 upstream manufacturing Methods 0.000 description 12
- 241000370738 Chlorion Species 0.000 description 8
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 6
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 6
- 238000010276 construction Methods 0.000 description 5
- 238000003860 storage Methods 0.000 description 5
- 229910000975 Carbon steel Inorganic materials 0.000 description 4
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 4
- 238000004378 air conditioning Methods 0.000 description 4
- 239000010962 carbon steel Substances 0.000 description 4
- 238000011049 filling Methods 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 239000000383 hazardous chemical Substances 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000003643 water by type Substances 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 239000011787 zinc oxide Substances 0.000 description 2
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 description 1
- 229910001335 Galvanized steel Inorganic materials 0.000 description 1
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- YZCKVEUIGOORGS-IGMARMGPSA-N Protium Chemical compound [1H] YZCKVEUIGOORGS-IGMARMGPSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000002421 anti-septic effect Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 239000008397 galvanized steel Substances 0.000 description 1
- -1 hydrogen radical ion Chemical class 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000003456 ion exchange resin Substances 0.000 description 1
- 229920003303 ion-exchange polymer Polymers 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000000414 obstructive effect Effects 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 238000011158 quantitative evaluation Methods 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J47/00—Ion-exchange processes in general; Apparatus therefor
- B01J47/14—Controlling or regulating
-
- 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
- C02F2001/422—Treatment of water, waste water, or sewage by ion-exchange using anionic exchangers
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treatment Of Water By Ion Exchange (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
Abstract
The present invention provides a kind of renovation process of the corrosivity anion removal device for being easily handled and can preventing corrosion conscientiously and anion exchange resin.In the corrosivity anion removal device (10) of the present invention, with anion exchange resin (12), the corrosivity anion metathesis contained in its water being fed into pipe arrangement (11) is anticorrosive property anion, generate anion exchange processing water, it possesses and has regeneration pipeline (17),, when anion exchange resin (12) regenerates, only use is by originally water-reducible NaHCO for it3The aqueous solution is in contact with the anion exchange resin (12).
Description
Technical field
The present invention relates to a kind of corrosivity anion removal device and the renovation process of anion exchange resin, wherein, it is rotten
Corrosion anion removal device has the corrosivity anion metathesis contained in the water being fed into pipe arrangement cloudy for anticorrosive property
The anion exchange resin of ion.
Background technology
In general, the air-conditioning equipment pipe arrangement or production process of refrigerator, cold hot water pipe, cooling water pipe etc.
With pipe arrangement, the water-filling into pipe arrangement is needed for pipe arrangement sealing experiment etc., after firm water-filling, has and produces local corrosion generation point
Danger.Water quality or working condition after firm water-filling, the generation that point occurs for such local corrosion is will be a greater impact to,
Know does not have the place or elbow of current in pipe arrangement, and the downstream of valve easily produces such case.
In order to prevent such pipe arrangement corrosion, also there is use that the anticorrosive of nitrite is added in the water in pipe arrangement
Method of inhibiting corrosion is carried out, but this method has the danger as the reasons of environment pollution in draining.Therefore, in prior art
In have a kind of method, the corrosive ion of water system is contained water with being adsorbed with the anion exchange resin phase of anticorrosive property anion
Contact, and low-molecular weight polymer is added to the water system, to suppress the corrosion of metal of water system (for example, referenced patent document
1)。
On the other hand, in the terminal stage of pipe arrangement working procedure, it is attached to when matching somebody with somebody pipe construction to remove inside pipe arrangement
The foreign matter of metal powder, zinc oxide, bond material etc., the flushing operation for cleaning of implementing to wash by water into pipe arrangement.Prior art it is this
Operation is rinsed, until the water for cleaning discharged in pipe arrangement can be visually observed, foreign matter is not left on the mesh of filter
Degree untill, it is repeated multiple times replace pipe arrangement in water.
Prior art literature
Patent document
【Patent document 1】Flat No. 6-158364 of Japanese invention Patent Publication No
But it is usually first in the prior art to when adsorbing anticorrosive property anion on anion exchange resin
After processing early stage being carried out by strong basicity hazardous chemical sodium hydroxide (NaOH) aqueous solution, then by sodium acid carbonate (NaHCO3) water-soluble
Liquid is in contact with anion exchange resin.But sodium hydroxide (NaOH) aqueous solution is hazardous chemical, therefore deal with ratio
It is more difficult.In addition, by sodium hydroxide (NaOH) and sodium acid carbonate (NaHCO3) when the aqueous solution is made, usually carried out by pure water
Dilution, it is necessary to pure water device is set and carries out maintenance management.Because these reasons, above-mentioned patent document is used in construction site
Anti-corrosion method in 1 is extremely difficult.
Also, confirm through experiment, by sodium acid carbonate (NaHCO3) after the aqueous solution is in contact with anion exchange resin
The aqueous solution pH value in acidity, have the danger for promoting corrosion to metal material.Therefore, above-mentioned patent is used in construction site
Anti-corrosion method in document 1, it is problematic in terms of antiseptic countermeasure.
On the other hand, because the purging method of above-mentioned prior art needs the repeated multiple times water replaced in pipe arrangement, therefore meeting
Oxygen is fed, the problem of promotion corrosion is carried out be present.In addition, the particulate in the water for the superfine that the mesh of filter can not remove
Accumulated in pipe arrangement, there is the danger that point occurs as local corrosion.
The content of the invention
The present invention is cloudy to provide a kind of corrosivity for being easily handled and can suppressing corrosion conscientiously in order to solve the above problems
For the purpose of the renovation process of ion remaval device and anion exchange resin.
The present invention is a kind of corrosivity anion removal device, has anion exchange resin, it is fed into pipe arrangement
Water in the corrosivity anion metathesis that contains generate anion exchange for anticorrosive property anion and handle water, its feature exists
In there is regeneration pipeline, it only makes to dilute obtained NaHCO by running water when above-mentioned anion exchange resin regenerates3It is water-soluble
Liquid contacts with the anion exchange resin.
Corrosivity anion removal device involved in the present invention, it is characterised in that have and handle tank, its storage is above-mentioned
Anion exchange handles water, and is put into NaHCO when above-mentioned anion exchange resin regenerates3；It is from this that it, which forms structure,
Processing tank begins through the NaHCO that above-mentioned regeneration pipeline is diluted to obtain to anion exchange resin supply by running water3Water
Solution.
Corrosivity anion removal device involved in the present invention, it is characterised in that have：Tank is handled, in its storage
State anion exchange processing water；PH value detector, it detects the pH value of the water in above-mentioned processing tank；Aeration cycle pipeline, its
Before above-mentioned pH value detector detects that pH value reaches more than 7, the anion exchange in above-mentioned processing tank is set to handle waterside
Circulated with air contact side；Supply channel, it is when above-mentioned pH value detector detects that pH value reaches more than 7, by above-mentioned processing
Anion exchange processing water in tank is supplied to above-mentioned pipe arrangement.
Corrosivity anion removal device involved in the present invention, it is characterised in that there is chlorine ion concentration detector, its
The chlorine ion concentration in the water in above-mentioned tank is detected, based on the chlorine ion concentration detected by the chlorine ion concentration detector,
To notify and control above-mentioned anion exchange resin regeneration period.
Corrosivity anion removal device involved in the present invention, it is characterised in that there is dissolved oxygen content detector, its
The dissolved oxygen content in the water in above-mentioned pipe arrangement is detected, detects that dissolved oxygen content reaches in the dissolved oxygen content detector
Control output alarm during more than 0.5mg/L.
Corrosivity anion removal device involved in the present invention, it is characterised in that also with flushing device, it uses filtering
Device is while remove the foreign matter separated out in the water in above-mentioned pipe arrangement, while being rinsed.
Corrosivity anion removal device involved in the present invention, it is characterised in that above-mentioned filter is with 1~10 μm
Filtering accuracy.
Corrosivity anion removal device involved in the present invention, it is characterised in that there is the water detected in above-mentioned pipe arrangement
PH value, the detector of dissolved oxygen content and turbidity, detect pH value more than 9.0 in the detector and dissolved oxygen contain
In the case that the discontented 1.0mg/L of amount and turbidity are discontented with 4, stop the control of the flushing action of above-mentioned flushing device.
The present invention is a kind of renovation process of anion exchange resin, and for anion regenerant exchanger resin, anion is handed over
Change resin and be fed into the corrosivity anion metathesis contained in the water in pipe arrangement into anticorrosive property anion, generate anion and hand over
Change processing water, it is characterised in that only make to dilute obtained NaHCO by running water3The aqueous solution and above-mentioned anion exchange resin phase
Contact.
Using the present invention, can also not only suppress to corrode conscientiously, the service life of extension device with saving water resource.
Furthermore it is also possible to by the aging performance of the real-time supervision equipment of water quality, various good effects can be obtained.
Brief description of the drawings
Fig. 1 is the schematic diagram for representing the corrosivity anion removal device involved by embodiments of the present invention.
Fig. 2 is to represent to carry out at anion exchange in the corrosivity anion removal device involved by embodiments of the present invention
The schematic diagram of the state of reason.
Fig. 3 is the shape for representing to carry out pH value adjustment in the corrosivity anion removal device involved by embodiments of the present invention
The schematic diagram of state.
Fig. 4 is represented in the corrosivity anion removal device involved by embodiments of the present invention, to pipe arrangement supply it is cloudy from
Son exchanges the schematic diagram of the state of processing water.
Fig. 5 is represented in the corrosivity anion removal device involved by embodiments of the present invention, carries out anion exchange
The schematic diagram of the state of resin regeneration.
Fig. 6 is the schematic diagram for the flushing device for representing the corrosivity anion removal device involved by embodiments of the present invention.
Label declaration
10：Corrosivity anion removal device；11：Pipe arrangement；12：Anion exchange resin；13：Handle tank；15：Feed pipe
Road；16：Aeration cycle pipeline；17：Regeneration pipeline；18：PH value detector；19：Chlorine ion concentration detector；60：Flushing device；
65：Filter；68：Dissolved oxygen content detector.
Embodiment
Hereinafter, refer to the attached drawing illustrates to embodiments of the present invention.In addition, in the following description, this is sent out
Bright involved corrosivity anion removal device, suitable for air-conditioning equipment carbon steel steel pipe or the pipe arrangement of galvanized steel control
Situation is illustrated.
First, the structure of the corrosivity anion removal device 10 involved by embodiments of the present invention is entered according to Fig. 1
Row explanation.Fig. 1 is the schematic diagram for representing corrosivity anion removal device 10.
As shown in figure 1, the structure of the corrosivity anion removal device 10 involved by embodiments of the present invention has：It is cloudy
Ion exchange resin 12, it generates the anion exchange processing water for being not easy to be corroded；Tank 13 is handled, it stores anion exchange
The anion exchange processing water that resin 12 generates；Anion exchange handles pipeline 14, its by since the waterpipe of nourishment source,
Formed by pipeline of the anion exchange resin 12 untill tank 13 is handled；Supply channel 15, it from processing tank 13 by opening
The pipeline to begin untill pipe arrangement 11 is formed；Aeration cycle pipeline 16, it is formed around processing tank 13 in a circulating manner；Again
Raw pipeline 17, since it formed by the pipeline handling tank 13 untill anion exchange resin 12.
In addition, corrosivity anion removal device 10 also has flushing device 60, it removes the water of pipe arrangement 11 with filter
Middle separated out foreign matter, and be rinsed, for the flushing device 60, will be described later.
Anion exchange resin 12, for the corrosion caused by suppressing in pipe arrangement 11 to metal material, by corrosivity the moon from
Sub (chlorion or sulfate ion) is replaced as anticorrosive property anion (bicarbonate ion), generate at anion exchange
Manage the processing of water.
It is opening tank to handle tank 13, is provided with pH value detector 18 and chlorine ion concentration detector 19.PH value is examined
Survey instrument 18 and chlorine ion concentration detector 19 electrically connects with control device 20 respectively, display is also electrically connected with control device 20
With storage device 51.
Anion exchange handles pipeline 14 by being formed once untill anion exchange resin 12 since nourishment source
Effluent road 21 and formed since the secondary side stream 22 formed anion exchange resin 12 untill tank 13 is handled.Once
The midway on effluent road 21 is connected with the 1st gate valve 23, and the 1st gate valve 23 is at least opened when generating anion exchange processing water.It is secondary
On effluent road 22, the 2nd gate valve 24, flowmeter 25, the 3rd gate valve 26 and exhaust apparatus 27 are connected with turn since upstream side,
The downstream 28 of secondary side stream 22 is connected to the top of processing tank 13.2nd gate valve 24 and the 3rd gate valve 26 at least generation it is cloudy from
Son is opened when exchanging processing water.In addition, on secondary side stream 22, between the gate valve 24 of anion exchange resin 12 and the 2nd, arrange
Water pipe 30 is branched off and extended downwards.The midway of drainpipe 30 is connected with the 4th gate valve 31, and the lower end of drainpipe 30 is in funnel
32 top opens.4th gate valve 31 is closed when generating anion exchange processing water, is beaten when anion exchange resin 12 regenerates
Open.
The upstream end 33 of supply channel 15 is connected to the bottom of the side surface of processing tank 13.On supply channel 15, from
Upstream side starts to be connected with the 5th gate valve 34, feed pump 35 and magnetic valve 36 in turn.5th gate valve 34 is at least in processing tank 13
In water opened when being circulated and when being supplied to pipe arrangement 11.Magnetic valve 36 electrically connects with control device 20, is examined based on pH value
The testing result for surveying instrument 18 and chlorine ion concentration detector 19 is opened and closed by control.The reasons why detecting chlorine ion concentration exists
In inventor of the invention is arrived by experimental verification, and compared with sulfate ion, chlorion can exchange with bicarbonate ion
Amount it is few.In addition, on supply channel 15, there is master in branch since the 1st branch point 37 between feed pump 35 and magnetic valve 36
Road 38 is circulated, is connected on the 2nd branch point 39 between the downstream on major cycle road 38, the 3rd gate valve 26 and exhaust apparatus 27
There is the secondary side stream 22 of anion exchange processing pipeline 14.
Aeration cycle pipeline 16 with lower part by being formed：Upstream side dual-purpose circulation line 40, it is upper from supply channel 15
Trip end 33 starts untill the 1st branch point 37；Above-mentioned major cycle road 38；Downstream dual-purpose circulation line 41, it is from the 2nd branch point
39 start untill the downstream 28 of the secondary side stream 22 of anion exchange processing pipeline 14.The midway connection on major cycle road 38
There is the 6th gate valve 42, the 6th gate valve 42 is at least opened in the water circulation in handling tank 13.Upstream side dual-purpose circulation line 40 by
The upstream part dual-purpose of supply channel 15, downstream dual-purpose circulation line 41 are handled the secondary side of pipeline 14 by anion exchange
The downstream part dual-purpose of stream 22.
In addition, anion exchange processing pipeline 14 on, by it is roundabout get around anion exchange resin 12 in a manner of formed with
Bypass 43.Bypass 43 by primary side stream 21 the 1st gate valve 23 upstream part, and the 3rd gate valve 26 of secondary side stream 22
Part between the 2nd branch point 39, is connected to be formed.The midway of bypass 43 is connected with the 7th gate valve 44, the 7th gate valve 44 by
Opened when when the grade of maintenance test anion exchange resin 12 closes the 1st gate valve 23 and 2 gate valve 24.
Regeneration pipeline 17 is made up of main regeneration pipeline 47 and dual-purpose regeneration pipeline 48, wherein：Main regeneration pipeline 47 be by from
The upstream end 45 of the side surface bottom connection of processing tank 13 starts, to the primary side stream 21 of anion exchange processing pipeline 14
The 1st gate valve 23 and anion exchange resin 12 between the 3rd branch point 46 untill between the pipeline that connects formed；Dual-purpose regenerates
Pipeline 48 is by being formed since the 3rd branch point 46 to the pipeline anion exchange resin 12.In main regeneration pipeline 47, from
Upstream side starts to be connected with the 8th gate valve 49 and regeneration pump 50 in turn.8th gate valve 49 is beaten when anion exchange resin 12 regenerates
Open.Dual-purpose regeneration pipeline 48 is handled the downstream part dual-purpose of the primary side stream 21 of pipeline 14 by anion exchange.
In addition, on the flushing device 60 that will be described later, dissolved oxygen content detector 68, dissolved oxygen content inspection are installed
Instrument 68 is surveyed to electrically connect with control device 20.In addition, dissolved oxygen content detector 68 can also be directly mounted at pipe arrangement 11.
Then, on the basis of Fig. 1, with reference to 2~Fig. 5 of figure, dress is removed for the corrosivity anion with said structure
10 effect is put to illustrate.Fig. 2 is to represent that corrosivity anion removal device 10 carries out the state of anion exchange processing
Schematic diagram.Fig. 3 is to represent that corrosivity anion removal device 10 carries out the schematic diagram of the state of pH value adjustment.Fig. 4 is to represent rotten
Corrosion anion removal device 10 supplies the schematic diagram of the state of anion exchange processing water to pipe arrangement 11.Fig. 5 is to represent to corrode
Property anion removal device 10 in carry out the schematic diagram of the state that anion exchange resin 12 regenerates.
As shown in the thick line in Fig. 2, running water is handled since the waterpipe as nourishment source by anion exchange
The primary side stream 21 of pipeline 14, after running water is by anion exchange resin 12, corrosivity anion in water (chlorion or
Sulfate ion) it is replaced as anticorrosive property anion (bicarbonate ion), generation anion exchange processing water.
The anion exchange processing water generated in anion exchange resin 12, the two of pipeline 14 are handled by anion exchange
Secondary effluent road 22, it is supplied to above processing tank 13 in processing tank 13.Now, the measurement of flowmeter 25 passes through anion
Exchange the flow of the anion exchange processing water of the secondary side stream 22 of processing pipeline 14, and by degasser 27 remove it is cloudy from
Son exchanges the carbon dioxide of the supersaturation contained in processing water.
The anion exchange processing water for being supplied to processing tank 13 detects pH value by pH value detector 18.Then, such as Fig. 3
In thick line shown in, before detecting that pH value reaches more than 7 by pH value detector 18, make the anion in processing tank 13
Processing water is exchanged to circulate in aeration cycle pipeline 16 with air contact side in the processing inner edge of tank 13.
Afterwards, when control device 20 judges the processing that is detected by pH value detector 18 and chlorine ion concentration detector 19
The pH value of anion exchange processing water in tank 13 reaches more than 7, when chlorine ion concentration reaches below 1.0mg/L, opens electricity
Magnet valve 36, as shown in the thick line in Fig. 4, handle the processing water of the anion exchange in tank 13 and be supplied to by supply channel 15 and matched somebody with somebody
The system of pipe 11.
Generally, in the running water for supplying anion exchange resin 12, chlorion, sulfate ion, carbonic acid are contained
The various ions such as hydrogen radical ion, chlorion and sulfate ion promote corrosion, and bicarbonate ion suppresses corrosion.That is,
Chlorion and sulfate ion are replaced as by bicarbonate ion by using anion exchange resin 12, corrosion can be suppressed
Carry out.
When such anion exchange processing water is supplied to 11 system of pipe arrangement by supply channel 15, handle in tank 13
The concentration of chlorion in anion exchange processing water is always detected by chlorine ion concentration detector 19.Its testing result passes through control
Device 20 processed is delivered letters to display and storage device 51, is monitored always, exceedes setting (1.0mg/L) in the concentration of chlorion
In the case of, carry out the regeneration treatment of anion exchange resin 12.
In the regeneration treatment of the anion exchange resin 12, bicarbonate of the input as regenerative agent into processing tank 13
Sodium (NaHCO3), as shown by the thick lines in fig. 5, by originally water-reducible NaHCO3The aqueous solution, begun through again from processing tank 13
Raw pipeline 17 supplies anion exchange resin 12.In this case NaHCO3The concentration of the aqueous solution, preferably 8% or so.One
As in the case of, in room temperature environment, for sodium acid carbonate to the meltage of water substantially 10% or so, meltage gets over polyanionic exchange
The regeneration treatment of resin 12 is easier.On the other hand, may be generated if residual regeneration reagent in processing tank 13
Calcium carbonate etc. and as measurement obstructive cause, it is necessary to avoid excessive addition.The present invention considers such situation, through experiment
It is the concentration for being easiest to management to confirm 8% or so.
In the regeneration of such anion exchange resin 12, by only using originally water-reducible NaHCO3The aqueous solution with
Anion exchange resin 12 contacts, and is carried out even without using strong basicity hazardous chemical sodium hydroxide (NaOH) aqueous solution
Early stage processing or reagent is adjusted by pure water, the local corrosion being also possible to prevent in pipe arrangement 11.It is i.e., it is possible to easy in construction site
Ground is using the present invention.
In addition, after corrosivity anion removal device 10 supplies anion exchange processing water into pipe arrangement 11, in air-conditioning
In equipment work, corrosion ring is held by monitoring the dissolved oxygen content in pipe arrangement 11 always by dissolved oxygen content detector 68
Border.Then, when the dissolved oxygen content numerical value that control device 20 is judged to be detected by dissolved oxygen content detector 68 reaches
During more than 0.5mg/L, alarm is exported.
It is dissolved oxygen the main reason for corrosion in the neutral fresh water environment of running water etc..Generally, in sealing recirculated water
In environment, the dissolved oxygen in management water keeps it in the degree less than 1mg/L.But due to water pump adjustment it is incomplete or
Change of equipment etc., the water in pipe arrangement 11 is discharged, feed the water containing dissolved oxygen, the progress of meeting accelerated corrosion.Determined according to Henry
Rule, the concentration of the dissolved oxygen in water is determined by partial pressure of oxygen and temperature, under atmospheric pressure, the concentration of dissolved oxygen with temperature drop
It is low and rise.
According to the experimental result of inventors, the concentration of dissolved oxygen below 0.5mg/L is not reduced to, anticorrosion ability is not
Significantly.Therefore, in embodiments of the present invention, for the service life of extension device, monitor always in the reclaimed water of pipe arrangement 11
Dissolved oxygen concentration, alarm is sent when the concentration of dissolved oxygen reaches more than 0.5mg/L.
According to the calculating of inventors, even if assuming to supply oxygen into water, by using the invention described above embodiment institute
The corrosivity anion removal device 10 being related to, the corrosion rate of carbon steel can also be suppressed below 1/60, by the corruption of zinc
Speed is lost to suppress below 1/2.
In addition, in the corrosivity anion removal device 10 involved by embodiment of the present invention, calculating uses bicarbonate
Sodium (NaHCO3) unit costs of required processing water during regeneration treatment are carried out to anion exchange resin 12, for 0.3 day
Member/L.About the 1/2 of expense only needed for the nitrite system anti-corrosion treatment of prior art, therefore can be big using the present invention
Amplitude cuts down the cost needed for regeneration treatment.
And then using the corrosivity anion removal device 10 involved by embodiment of the present invention, due to without using danger
Dangerous chemicals, therefore can also easily be used in construction site.I.e., it is possible to suppress pipe arrangement 11 conscientiously while environment is considered
Corrosion after water-filling.Further, since the starting point of local corrosion will not be produced, therefore it will not produce and leak occurs within a few years
The danger of corrosion.Also, by being used together with flushing device 60 described later, it can more improve the effect for suppressing corrosion.
Then, with reference to figure 6, to the flushing device of the corrosivity anion removal device 10 involved by embodiment of the present invention
60 illustrate.Fig. 6 is the flushing device 60 for representing the corrosivity anion removal device involved by embodiments of the present invention
Schematic diagram.
Corrosivity anion removal device 10 has flushing device 60, and it is removed with filter is analysed in the water in pipe arrangement 11
The foreign matter gone out, is rinsed simultaneously.Pipe arrangement 11 in this case, it is air-conditioning equipment pipe arrangement, in the midway of pipe arrangement 11, peace
Equipped with 52, water pumps 53 of refrigerator, tube head 54 and 55, secondary water pump 56, air conditioner 57, gate valve 58 etc..
Flushing device 60 has filtration cycle pipeline 61, its two in the upstream side of the gate valve 58 of pipe arrangement 11 and downstream
Locate 59a, 59b branch.It is connected to the 1st gate valve 62, the 2nd gate valve the 63, the 1st successively from upstream side on filtration cycle pipeline 61
Pressure gauge 64, filter 65, the 2nd pressure gauge 66, the 3rd gate valve 67, dissolved oxygen content detector 68, the lock of flowmeter 69 and the 4th
Valve 70.The filtering accuracy of preferred filters is 1~10 μm.
In addition, on filtration cycle pipeline 61, the roundabout bypass 71 around opened filter 65 is connected with, is connected in bypass 71
There is the 5th gate valve 72.5th gate valve 72 closes the 2nd gate valve 63 and the 3rd gate valve 67 etc. due to reasons such as maintenance test filters 65
In the case of be opened.
Also, on filtration cycle pipeline 61, from branch between the 2nd gate valve 63 and the 1st pressure gauge 64 formed with drainpipe
73.In the midway of drainpipe 73, the 6th gate valve 74, pH value detector 75 and turbidity detector are connected with turn from upstream side
76, the lower end of drainpipe 73 opens in the top of funnel 77.PH value detector 75 and turbidity detector 76 respectively with control
Device 20 electrically connects.6th gate valve 74 is being detected the pH value of the water in pipe arrangement by pH value detector 75 and turbidity detector 76
With turbidity when (during flushing, reach and keep the water of 3 times or so of water by opportunity of filter 65, and after this it is 1 small
When start per hour, as long as reach rinse terminate standard meet pH value more than 9.0, turbidity be discontented with 4 condition, with
When can terminate) open.In addition, pH value and turbidity are being sealed due to the pressure-resistant problem of sensor as present embodiment
It can not directly be detected in piping system, therefore the 6th gate valve 74 is opened, detected water flowing, still, now bled off
Water also only the whole of pipe arrangement keep less than the 0.1% of waters.
In the flushing device 60 with said structure, whole 3 times or so of waters for keeping water of pipe arrangement 11 are used
Circulated in pipe arrangement 11 and filtration cycle pipeline 61, removed by filter 65 and be attached to when pipe arrangement 11 is constructed inside pipe arrangement 11
The foreign matter of metal powder, zinc oxide, bond material etc., implement to rinse operation.Then, operation is being rinsed by flushing device 60
When, hydrochemistry and the corrosion resistance of piping system metal material are considered, by dissolved oxygen content detector 68, pH value detector 75
And turbidity detector 76 detects the numerical value of dissolved oxygen content, pH value and turbidity at any time, and by display and deposit
Storage device 51 monitors the numerical value always, is judged whether to stop flushing work by control device 20.Then, judge in control device 20
It is discontented with 1.0mg/L to dissolved oxygen content and pH value is more than 9.0, when turbidity is discontented with 4, stops rushing for flushing device 60
Wash operation.
Generally, the flushing of the pipe arrangement 11 manufactured by carbon steel and coating steel pipe and what is gone wrong is from pipe arrangement 11
The zinc that is dissolved out of inner surface and iron saprophage product.Because the free carbonic acid contained by the water in supply pipe arrangement 11 is following
It is released in ring and produces the phenomenon that pH value rises, therefore makes existing mostly as particulate for these saprophage products.
Because the size dimension of the particulate is several μm (1~10 μm of degree), therefore filtered with filter 65, you can all remove.That is,
Using above-mentioned flushing device 60, without bleeding off substantial amounts of water, filtered using filter 65, you can complete flushing work.That is, may be used
So that while saving water resource is contributed as environment of preserving our planet, the corrosion of pipe arrangement 11, extension device longevity can be suppressed conscientiously
Life.Further, since can terminate to rinse the opportunity of operation with quantitative evaluation, therefore water stabilization can be supplied into pipe arrangement 11
Water.
In addition, in the above-mentioned description to embodiments of the present invention, have been illustrated and the present invention is useful in sky
The situation of the carbon steel of equipment and the pipe arrangement of zinc-plated steel making is adjusted, but this is an example, it is contemplated that the present invention may be use with
The pipe arrangement of other purposes such as production process pipe arrangement.
In addition, in order to illustrate the appropriate embodiment of corrosivity anion removal device involved in the present invention, upper
State in embodiments of the present invention description, technically having carried out various preferred limits to material, size, structure etc.
It is fixed, as long as but the present invention is not particularly limited record, be as not limited to these embodiments.I.e., it is possible to above-mentioned is sent out
Structural element of the structural element suitably with both depositing in bright embodiment enters line replacement, and can also be included and its
The various changes such as the structural elements associations that he had both deposited, the record of the embodiment of the invention described above, do not limit claim model
Enclose the described content of the invention.
Claims (9)
1. a kind of corrosivity anion removal device,
With anion exchange resin, it is anticorrosive property that it, which is fed into the corrosivity anion metathesis contained in the water in pipe arrangement,
Anion and generate anion exchange processing water,
Characterized in that,
With regeneration pipeline, it only makes to dilute obtained NaHCO by running water when above-mentioned anion exchange resin regenerates3It is water-soluble
Liquid contacts with the anion exchange resin.
2. corrosivity anion removal device according to claim 1, it is characterised in that
With processing tank, it stores above-mentioned anion exchange processing water, and the quilt when above-mentioned anion exchange resin regenerates
Put into NaHCO3,
It is to begin through above-mentioned regeneration pipeline from the processing tank to supply by originally to the anion exchange resin that it, which forms structure,
Water dilutes obtained NaHCO3The aqueous solution.
3. corrosivity anion removal device according to claim 1, it is characterised in that
Have：Tank is handled, it stores above-mentioned anion exchange processing water；
PH value detector, it detects the pH value of the water in above-mentioned processing tank；
Aeration cycle pipeline, it makes in above-mentioned processing tank before the pH value that above-mentioned pH value detector determines reaches more than 7
Anion exchange handles waterside and circulated with air contact side；
Supply channel, it is when the pH value that above-mentioned pH value detector determines reaches more than 7, by the anion in above-mentioned processing tank
Processing water is exchanged to supply to above-mentioned pipe arrangement.
4. the corrosivity anion removal device according to Claims 2 or 3, it is characterised in that
With chlorine ion concentration detector, it detects the chlorine ion concentration in the water in above-mentioned processing tank,
Based on the chlorine ion concentration detected by the chlorine ion concentration detector, to notify and control above-mentioned anion exchange resin
Regeneration period.
5. corrosivity anion removal device as claimed in any of claims 1 to 4, it is characterised in that
With dissolved oxygen content detector, it detects the dissolved oxygen content in the water in above-mentioned pipe arrangement,
The control output alarm when the dissolved oxygen content detector detects that dissolved oxygen content reaches more than 0.5mg/L.
6. corrosivity anion removal device as claimed in any of claims 1 to 5, it is characterised in that
Also there is flushing device, with filter while removing the foreign matter separated out in the water in above-mentioned pipe arrangement, one side is carried out simultaneously for it
Rinse.
7. corrosivity anion removal device according to claim 6, it is characterised in that
Above-mentioned filter has 1~10 μm of filtering accuracy.
8. the corrosivity anion removal device according to claim 6 or 7, it is characterised in that
Detector with pH value, dissolved oxygen content and the turbidity for detecting the water in above-mentioned pipe arrangement, is detected in the detector
To pH value more than 9.0 and in the case that dissolved oxygen content is discontented with 1.0mg/L and turbidity discontented 4, stop above-mentioned
The control of the flushing action of flushing device.
9. a kind of renovation process of anion exchange resin, for anion regenerant exchanger resin,
Anion exchange resin is fed into the corrosivity anion metathesis that contains in the water in pipe arrangement into anticorrosive property anion,
Anion exchange processing water is generated,
Characterized in that,
Only make to dilute obtained NaHCO by running water3The aqueous solution is in contact with above-mentioned anion exchange resin.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016-093733 | 2016-05-09 | ||
| JP2016093733A JP6114437B1 (en) | 2016-05-09 | 2016-05-09 | Corrosive anion removing apparatus and method for regenerating anion exchange resin |
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| Publication Number | Publication Date |
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| CN107349972A true CN107349972A (en) | 2017-11-17 |
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ID=58666785
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| CN201610653816.3A Pending CN107349972A (en) | 2016-05-09 | 2016-08-10 | The renovation process of corrosivity anion removal device and anion exchange resin |
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| Country | Link |
|---|---|
| JP (1) | JP6114437B1 (en) |
| CN (1) | CN107349972A (en) |
| SG (1) | SG10201604977PA (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109174210A (en) * | 2018-10-08 | 2019-01-11 | 彭婷 | A kind of ion exchange resin is sealed equipment and resin seal store method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP6329672B1 (en) * | 2017-07-05 | 2018-05-23 | 新菱冷熱工業株式会社 | Corrosive anion remover |
| JP7053277B2 (en) | 2018-01-10 | 2022-04-12 | 大成建設株式会社 | Galvanized steel pipe |
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| JPH09111482A (en) * | 1995-10-19 | 1997-04-28 | Kurita Water Ind Ltd | Corrosion preventing method of metal in water system |
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| JP2794772B2 (en) * | 1989-04-28 | 1998-09-10 | 栗田工業株式会社 | Prediction method of corrosion of water-based metal |
| JP3963031B2 (en) * | 1997-07-08 | 2007-08-22 | 栗田工業株式会社 | Method for inhibiting corrosion of water-based metals |
| JPH1129885A (en) * | 1997-07-10 | 1999-02-02 | Kurita Water Ind Ltd | Preventing method of pitting corrosion of metal in water system |
| JP4239876B2 (en) * | 2004-03-30 | 2009-03-18 | 三浦工業株式会社 | Water treatment method |
| JP4996812B2 (en) * | 2004-03-31 | 2012-08-08 | 三浦工業株式会社 | Water supply equipment |
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- 2016-05-09 JP JP2016093733A patent/JP6114437B1/en active Active
- 2016-06-17 SG SG10201604977PA patent/SG10201604977PA/en unknown
- 2016-08-10 CN CN201610653816.3A patent/CN107349972A/en active Pending
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| JPH07316848A (en) * | 1994-05-18 | 1995-12-05 | Kurita Water Ind Ltd | Method for inhibiting corrosion of metal in water line |
| JPH09111482A (en) * | 1995-10-19 | 1997-04-28 | Kurita Water Ind Ltd | Corrosion preventing method of metal in water system |
| JPH1128462A (en) * | 1997-07-10 | 1999-02-02 | Kurita Water Ind Ltd | Metal anti corrosion method for metal in water system |
| JPH11201689A (en) * | 1998-01-09 | 1999-07-30 | Showa Kk | Corrosion-proofing method for heat exchange medium circulating device |
| TW201542879A (en) * | 2014-04-11 | 2015-11-16 | Kurita Water Ind Ltd | Method for preventing corrosion in closed cooling water system, corrosion preventing agent for closed cooling water system, and corrosion prevention system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109174210A (en) * | 2018-10-08 | 2019-01-11 | 彭婷 | A kind of ion exchange resin is sealed equipment and resin seal store method |
Also Published As
| Publication number | Publication date |
|---|---|
| SG10201604977PA (en) | 2017-12-28 |
| JP2017202432A (en) | 2017-11-16 |
| JP6114437B1 (en) | 2017-04-12 |
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