CN1045728C - multi-flow ion exchanger - Google Patents
multi-flow ion exchanger Download PDFInfo
- Publication number
- CN1045728C CN1045728C CN93117414A CN93117414A CN1045728C CN 1045728 C CN1045728 C CN 1045728C CN 93117414 A CN93117414 A CN 93117414A CN 93117414 A CN93117414 A CN 93117414A CN 1045728 C CN1045728 C CN 1045728C
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- CN
- China
- Prior art keywords
- resin
- water
- resin bed
- regeneration
- ion exchange
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 239000011347 resin Substances 0.000 claims abstract description 63
- 229920005989 resin Polymers 0.000 claims abstract description 63
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 52
- 238000005342 ion exchange Methods 0.000 claims description 23
- 238000007599 discharging Methods 0.000 claims description 6
- 230000008929 regeneration Effects 0.000 abstract description 34
- 238000011069 regeneration method Methods 0.000 abstract description 34
- 238000000338 in vitro Methods 0.000 abstract description 2
- 238000001727 in vivo Methods 0.000 abstract 2
- 238000000034 method Methods 0.000 description 10
- 239000007788 liquid Substances 0.000 description 9
- 230000001172 regenerating effect Effects 0.000 description 5
- 238000005406 washing Methods 0.000 description 5
- 239000010808 liquid waste Substances 0.000 description 4
- 238000005498 polishing Methods 0.000 description 3
- 241000242583 Scyphozoa Species 0.000 description 2
- 230000000740 bleeding effect Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 230000009183 running Effects 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 239000012633 leachable Substances 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Treatment Of Water By Ion Exchange (AREA)
Abstract
In the multi-flow ion exchanger, besides the upper water inlet and bottom water inlet (or outlet) devices, the resin layer is also provided with a plurality of water inlet and outlet devices. The devices in the layers are configured to communicate the layers of resin above and below them. The whole resin layer is divided into a plurality of layer areas by water inlet and outlet devices which are arranged in a staggered manner from top to bottom. When water is produced, all the layers are connected in parallel, and the water flow directions in adjacent layers are opposite.
The equipment can be filled with single resin or mixed resin; the regeneration can be designed to be in vivo, partially in vivo or in vitro.
The equipment has the advantages of small occupied area, large output, resin saving and high regeneration efficiency.
Description
The invention belongs to water-treatment technology field.
The required resin bed height of ion-exchange under some condition is less.But if really highly load by this, then device space utilization rate is on the low side, and, when device diameters is big, occurs the aspect deflection easily and cause bias current, if during internal regeneration, floor height is too low also to be unfavorable for making full use of of regenerative agent.Therefore, under these conditions, often must increase the resin bed height.But this can make investment increase to some extent again.
In order to solve above-mentioned contradiction, there have been several double-current method ion exchange techniques to come out.As double-current method mixed bed (seeing 1,65～73 pages in " power construction " nineteen eighty-two supplementary issue), double-current method weakly acidic resin H-ion exchanger (seeing that Patent Office of the People's Republic of China's patent No. (application number) is 88203310.7 utility model patent), double-current method list kind resin ion-exchanger (seeing that Patent Office of the People's Republic of China's patent No. (application number) is 89201873.9 utility model patent).In this class double-current method equipment,, double so can make to exert oneself because two resin bed parallel runnings are arranged.
Be subjected to the inspiration of double-current method ion exchange technique, and notice ion-exchange under some condition, as condensate water, distilled water and one-level demineralized water are carried out precision processing etc., its required resin bed height is littler, therefore might in an ion-exchanger, hold the resin bed of more a plurality of parallel runnings, thus make equipment exert oneself and space availability ratio further improves.So propose the conception of multi-stream ion exchange device.
Multi-stream ion exchange device can be three streamings, four streamings, five streamings or the like.Be example now, with accompanying drawing 1 and accompanying drawing 2 its primary structure and operation principle be illustrated respectively with three streamings, four streamings.In the accompanying drawing, the direction of current when arrow is depicted as work, [1] is the top water feed apparatus, and [14] are the interchanger cylindrical shell, and [5] are resin bed, and [6] are discharging device in the layer, and [11] are water feed apparatus in the layer, and [13] are bottom water outlet or water feed apparatus.
Each floor district of multi-stream ion exchange device resin bed highly can equate, also can not wait.When adopting internal regeneration, following more floor district should be thicker more, resin size inhomogeneous more with (or) difficult more regeneration, its thickness successively value added should be bigger more.
The water inlet in the multi-stream ion exchange device resin bed or the structure of discharging device should be able to make the upper and lower resin bed of this device be interconnected.So that can the whole resin bed of backwash and guarantee that each floor district all can fill up resin.Its concrete pattern can be the general interior female pipe tubular type of body, very big at water-flowing amount, and under the thin situation of every layer of resin, also can be the skewer female pipe level of central vertical in tubular type, the body of propping up is stretched out water flowing between the double-deck orifice plate that the denominator pipe props up tubular type or band water filtering cap in external female Guan Xiangti structural shape etc.During in the end a kind of pattern, be connected, can adopt the structure of accompanying drawing 3 or accompanying drawing 4 for making double-deck orifice plate resin bed up and down.Among this two figure, [24] and [25] be respectively resin communicating pipe in the external and body, [26] be double-deck orifice plate, [14] be the interchanger cylindrical shell, [27] advance (or going out) jellyfish pipe for center in the body, [28] advance (or going out) jellyfish pipe for external, and [29] are water filtering cap, [5] be resin bed, [30] are for advancing (or going out) water arm.
Resin bed in the multi-stream ion exchange device can be the positive and negative hybrid resin, also can be single resin of planting.Under the situation of hybrid resin of packing into, should adopt external regeneration; Under the situation of single kind resin of packing into, can adopt internal regeneration, also can adopt part internal regeneration (all the other move to external regeneration) or whole external regeneration.Adopt the multi-stream ion exchange device of internal regeneration, can be designed to the pattern that regenerated liquid is downward through resin bed or upwards flows through resin bed, can also be designed to flow through the pattern of resin bed respectively up and down by after entering in the resin bed.
The structure of multi-stream ion exchange device except that shown in the accompanying drawing 1,2, also should be provided with backwash, just washes, exhaust, send into, sends the required pipeline of operation such as resin, valve etc., also will install in case of necessity and feed compressed-air actuated pipeline, valve etc.In adopting body or during the part internal regeneration, the pipeline, valve of regenerated liquid into etc. should be arranged also.In addition, in order when making water, to supervise and regulate the flow in each floor district, also the flowmeter that valve and number are no less than floor district number should be set on the water-in and water-out pipeline.
Accompanying drawing 5 is an example with three streaming internal regeneration list kind resin ion-exchangers, provides its concrete structure.[1] is the top water feed apparatus among the figure, [2] be the backwash draining valve, [3] be the regenerated liquid distribution apparatus, [4] for advancing the regenerated liquid valve, [5] are resin bed, [6] be discharging device in the layer, [7] be outlet valve in the layer, [8] are main water outlet pipe, and [9] are lower layer district flowmeter, [10] be lower layer district outlet valve, [11] be water feed apparatus in the layer, [12] are the entrance pressure air assembly that contracts, and [13] are the bottom discharging device, [14] be the interchanger cylindrical shell, [15] be air bleeding valve, [16] are upper layer district flowmeter, and [17] are the top water intaking valve, [18] be the female pipe of water inlet, [19] be water intaking valve in the layer, during [20] be, lower layer district total flow meter, [21] are the backwash water intaking valve, [22] be the entrance pressure air valve that contracts, [23] are regeneration liquid waste and the wash water dump valve.In addition, hand-hole, resin hole, peep-hole, water sampling point, pressure-measuring-point and at suitable position start and stop auxiliary valve etc. is set in case of necessity also should be set.
When internal regeneration multi-flow type interchanger such as resin bed top backwash insufficient space, the external back wash tank of part resin can be set, it is shared that this equipment can be many identical multi-stream ion exchange devices.
The three streaming ion-exchangers that accompanying drawing 5 is exemplified, its main method of operating is:
1, puts into operation
Order is opened in top water intaking valve [17], the floor water intaking valve [19] and lower layer district outlet valve [10] in outlet valve [7], the floor, regulates each valve then and makes three flowmeters all reach predetermined value (in, the difference of lower layer district total flow meter [20] and lower layer district flowmeter registration be the flow in floor district, middle part).
2, regeneration
(1) backwash water intaking valve [21] and backwash draining valve [2] are opened in backwash gradually, and it is about 50% that resin bed is launched, and keeps certain hour.
When being provided with the public external back wash tank of part resin, can earlier the part resin be delivered to this jar backwash, in interchanger resin also backwash intact after, send former interchanger again back to.
(2) advance regenerated liquid and drive regenerated liquid valve [4] and regeneration liquid waste and the wash water dump valve [23] into.
(3) regenerated liquid operation each valve of opening is kept in displacement, stops to send into regenerated liquid and only sends into replacing water (being generally no salt solution).
(4) just washing out top water intaking valve [17] and regeneration liquid waste and the wash water dump valve [23], reaching setting to just washing out water water quality.
Effluent quality is required very high, when just the time of washing is grown partially, water-in and water-out device, the entrance pressure water in the pipe that contracts in the air assembly pipe between the dead angle and lower layer district outlet valve [10] and interchanger in can substep open and close respective valves flushing floor is by regeneration liquid waste and the wash water dump valve [23] discharge.
3, air bump rinse operation
Before regeneration or in service, if the resin bed contamination is serious, but draining water level in the interchanger is dropped near the resin aspect, drive compressed air valve [22] and air bleeding valve [15] into, to resin scouring 1～2 minute, just washing then about 2 minutes.So repeat repeatedly, to basic scrub.
To the multi-stream ion exchange device of external regeneration and part internal regeneration, its regenerative operation is different, all or part of resin must be moved on in the public external regeneration device to operate.Its concrete device and method of operating can be with reference to existing various mixed bed external regeneration devices.After external regeneration, cleaning, send back in the multi-stream ion exchange device again.
The remarkable advantage of multi-stream ion exchange device is:
1, exerts oneself greatly because of equipment, reduce equipment investment, floor space and regenerative operation number of times thereby can reduce the table of equipment number.
2, can allow to reduce resin layer thickness.This not only can reduce investment and resin year waste, to the processing of the condensate water of high water temperature, can also reduce the pollution of resin leachable and resin chip to water outlet.
3, when adopting internal regeneration, because of each floor district backwash together, advance regenerated liquid and just washing, the regenerative agent utilization rate improves so auxiliary water ratio reduces.Each average effluent quality in floor district is than single current co-current regeneration fashion.
Multi-stream ion exchange device is used in the condensate water refinement treatment outstanding advantage and wide application prospect.Because to mix bed, what China adopted at present also nearly all is mixed-bed system in the condensate water of countries in the world processing at present always.But, when mixing bed regeneration,, make the further raising of effluent quality and realize that the ammonex operation takes place difficult because of being difficult to that the yin, yang resin is thoroughly separated.In order to address these problems, in-vitro separation one regeneration one mixing arrangement of existing many complexity comes out, but has also increased the complexity of floor space, investment and the operation of condensate polishing system thereupon.However, to the solution of the problems referred to above, still unsatisfactory.For this reason, the external existing separated bed type condensate polishing system that mixes bed of giving up comes out, the multiple bed system of three series connection of internal regeneration of developing as the external regeneration three-chamber bed " tripol " and the West Germany Bayer company of Britain Portals company exploitation.It is good and simplified the advantage of regenerative operation greatly that these two kinds of systems all have an effluent quality.Institute's weak point is, the former must adopt higher resin bed when exerting oneself major diameter equipment more greatly, and fails to break away from external regeneration device and operation, and the latter then needs more high resin layer, and because of the table of equipment number too much and floor space bigger, its popularization is restricted.Now as in the separated bed type condensed water precision processing system, adopt the internal regeneration multi-stream ion exchange device of positive and negative series connection, and a rearmounted internal regeneration multi-flow type sun bed that water is passed through is being set thereafter, then can further overcome the shortcoming of above-mentioned external two kinds of separated bed type condensate polishing systems.
Adopt multi-stream ion exchange device, note and select in ion exchange process the stereomutation rate little resin of trying one's best for use.Resin bed district in the interchanger is many more, and this point is just important more.
Claims (3)
1, a kind ofly installs the multi-stream ion exchange device that [13] are constituted by interchanger cylindrical shell [14] and the top water feed apparatus [1] that is provided with of portion, discharging device [6] in the resin bed [5] and water feed apparatus [11] and bottom water outlet (or water inlet) within it, it is characterized in that, in it is simplified, resin bed by the water feed apparatus of interlaced arrangement from top to bottom and discharging device be divided into three or more can water flowing operation in parallel the resin bed district.
2, multi-stream ion exchange device as claimed in claim 1 is characterized in that: described resin bed [5] is single resin bed of planting.
3, multi-stream ion exchange device as claimed in claim 1 is characterized in that: described resin bed [5] is the hybrid resin layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN93117414A CN1045728C (en) | 1993-09-23 | 1993-09-23 | multi-flow ion exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN93117414A CN1045728C (en) | 1993-09-23 | 1993-09-23 | multi-flow ion exchanger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1100670A CN1100670A (en) | 1995-03-29 |
| CN1045728C true CN1045728C (en) | 1999-10-20 |
Family
ID=4991989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN93117414A Expired - Fee Related CN1045728C (en) | 1993-09-23 | 1993-09-23 | multi-flow ion exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1045728C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105967274A (en) * | 2016-06-27 | 2016-09-28 | 江苏中超环保股份有限公司 | Hybrid ion exchange |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5224164A (en) * | 1975-07-25 | 1977-02-23 | Kurita Water Ind Ltd | Ion exchange apparatus |
| SU1196020A1 (en) * | 1984-06-28 | 1985-12-07 | Vni Pk I Atomnogo Energet Mash | Ion exchanger |
| CN2033005U (en) * | 1988-02-01 | 1989-02-22 | 武汉水利电力学院 | Double-current weak acid resin hydrogen ion-exchanger |
-
1993
- 1993-09-23 CN CN93117414A patent/CN1045728C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5224164A (en) * | 1975-07-25 | 1977-02-23 | Kurita Water Ind Ltd | Ion exchange apparatus |
| SU1196020A1 (en) * | 1984-06-28 | 1985-12-07 | Vni Pk I Atomnogo Energet Mash | Ion exchanger |
| CN2033005U (en) * | 1988-02-01 | 1989-02-22 | 武汉水利电力学院 | Double-current weak acid resin hydrogen ion-exchanger |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1100670A (en) | 1995-03-29 |
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| C53 | Correction of patent of invention or patent application | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: JI HENG TO: GAO YUE; HAO JIE; JI HENG; APPLICANT; FROM: JI HENG TO: HAO JIE |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent of invention or patent application | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: PATENTEE; FROM: ZHANG DENGXIN TO: WUHAN WATER CONSERVANCY AND ELECTRIC POWER UNIV. |
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| CP03 | Change of name, title or address |
Address after: 430072 No. 8 South East Lake Road, Wuhan, Wuchang Patentee after: Wuhan Irrigation & Electric-Power Univ. Address before: 430072 No. 130, No. 7, Faculty of water conservancy and electric power, Wuhan Patentee before: Zhang Chengxin |
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| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |