CN105174539A - Device for removing high valence ions in desulfurization wastewater of thermal power plant - Google Patents
Device for removing high valence ions in desulfurization wastewater of thermal power plant Download PDFInfo
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- CN105174539A CN105174539A CN201510588340.5A CN201510588340A CN105174539A CN 105174539 A CN105174539 A CN 105174539A CN 201510588340 A CN201510588340 A CN 201510588340A CN 105174539 A CN105174539 A CN 105174539A
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- valence
- high valence
- power plant
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- desulfurization wastewater
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Abstract
The invention relates to a device for removing high valence ions in desulfurization wastewater of a thermal power plant, comprising a high pressure pump, a filter, a sodium filter membrane separator, an intermediate water box, a feed pump, an ion exchanger and a purified salt solution box which are sequentially connected through guide tubes, wherein the ion exchanger comprises a high valence cation exchanger and a high valence anion exchanger which are sequentially connected, and a valve is arranged between the high valence cation exchanger and the high valence anion exchanger; a concentrated water box is arranged between the sodium filter membrane separator and the high valence cation exchanger as well as the high valence anion exchanger; and the purified salt solution box is connected with a salt solution box, and a salt solution transfer pump is arranged between the purified salt solution box and the salt solution box. The device for removing high valence ions in desulfurization wastewater of the thermal power plant combines a special film with the ion exchange technique for the first time, realizes the separation of high valence ions and low valence ions, is high in degree of automation, can realize the unmanned requirement, is environment-friendly and is free of secondary pollution.
Description
Technical field
The present invention relates to a kind of high valence ion treatment unit, particularly one removes high valence ion device in the desulfurization wastewater of fuel-burning power plant.
Background technology
Leading ion composition in the desulfurization wastewater in fuel-burning power plant is: chlorion, sulfate ion, sodium ion, calcium ion, magnesium ion, iron ion etc., be fully used for making waste water, the ion of more than the divalence in waste water can be removed, make in water, to leave chlorion and sodium ion, then evaporative crystallization is Industrial Salt.But in traditional desulfurizing waste water processing device, there is no the equipment for the manufacture of sodium-chlor, namely waste water discharge through simple process, big for environment pollution, therefore be badly in need of that development is a kind of is separated efficient and high valence ion device in the removal fuel-burning power plant desulfurization wastewater that environmental pollution is little, through retrieval, do not find the same or analogous technical scheme with the present invention.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of efficient and high valence ion device in the removal fuel-burning power plant desulfurization wastewater that environmental pollution is little of being separated.
For solving the problems of the technologies described above, technical scheme of the present invention is: high valence ion device in the desulfurization wastewater of a kind of fuel-burning power plant, and its innovative point is: comprise the high-pressure pump, strainer, sodium filter membrane separator, intermediate water tank, service pump, ion-exchanger and the purification salts solution case that are connected successively by conduit;
Described ion-exchanger comprises the high-valence cationic interchanger and high-valence anion interchanger that connect successively.
Further, a described sodium filter membrane separator and dense water tank is set between high-valence cationic interchanger and high-valence anion interchanger.
Further, described purification salts solution case is connected with a salts solution case, and between a saline solution transferpump is set.
Further, high valence ion device outer setting one control panel in the desulfurization wastewater of described removal fuel-burning power plant.
The invention has the advantages that:
(1) removing high valence ion device in the desulfurization wastewater of fuel-burning power plant adopts dedicated film and ion exchange technique to combine first, realize being separated of high valence ion and low price ion, wherein sodium filter membrane separator clearance reaches 80% ~ 90%, the clearance of ion-exchanger reaches more than 99.5%, thus the solution obtained containing chlorion and sodium ion, final evaporation crystallization obtains Industrial Salt; Whole device is environmentally friendly, does not produce secondary pollution.
(2) a sodium filter membrane separator and dense water tank is set between high-valence cationic interchanger and high-valence anion interchanger, can dialyse to the ion of different valence state mainly due to sodium filter membrane separator, through the ion of water molecules with some monovalencies, retain ion and other particles of more than divalence, and enter dense water tank; When carrying out second time solution separating in ion-exchanger, the solution containing sodium ion and chlorion flows into purification liquor box, and ion more than divalence and other particles enter dense water tank again, and prevent environmental pollution, vibrational power flow is reasonable.
(3) purification salts solution case is connected with a salts solution case, and between a saline solution transferpump is set, be added to by salts solution in purification salts solution case and mainly carry out acidifying to the solution processed, get rid of the interference of the silver ions, carbanion etc. in solution, refining effect is better.
(4) device outer setting one control panel, realizes Automated condtrol, and can realize unattended requirement, working efficiency is high.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation removing high valence ion device in the desulfurization wastewater of fuel-burning power plant of the present invention.
Embodiment
As shown in Figure 1, the invention discloses high valence ion device in the desulfurization wastewater of a kind of removal fuel-burning power plant, comprise the high-pressure pump 1, strainer 2, sodium filter membrane separator 3, intermediate water tank 4, service pump 5, ion-exchanger and the purification salts solution case 8 that are connected successively by conduit 13.
Wherein ion-exchanger comprises the high-valence cationic interchanger 6 and high-valence anion interchanger 7 that connect successively; A sodium filter membrane separator 3 and dense water tank 11 is set between high-valence cationic interchanger 6 and high-valence anion interchanger 7; Purification salts solution case 8 is connected 10 with a salts solution case, and between a saline solution transferpump 9 is set; Whole device outer setting one control panel 12 simultaneously, the Automated condtrol of implement device.
When removing high valence ion device work in the desulfurization wastewater of fuel-burning power plant, first high-pressure pump 1 work makes desulfurization wastewater enter strainer 2 by conduit 13, then sodium filter membrane separator 3 is entered, the ion of this sodium filter membrane separator 3 pairs of different valence state is dialysed, through water molecules and the ion of some monovalencies enter intermediate water tank 4, the ion more than divalence retained and other particles enter dense water tank 11; Then secondary separation is carried out, service pump 5 works and the solution in intermediate water tank 4 to be sent in high-valence cationic interchanger 6, high-valence cationic interchanger 6 realizes the separation to high-valence cationic, and enter dense water tank 11, another part liquid continues to enter in high-valence anion interchanger 7 separation realized high-valence anion, isolated liquid enters dense water tank 11, and the solution now obtained enters in purification salts solution case 8 again; Then saline solution transferpump 9 work makes the salts solution in salts solution case 10 enter in purification liquor box 8, carries out acidification to the solution processed, and has processed that rear to carry out evaporative crystallization to solution be Industrial Salt.
More than show and describe ultimate principle of the present invention and principal character.The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification sheets just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (4)
1. remove a high valence ion device in the desulfurization wastewater of fuel-burning power plant, it is characterized in that: comprise the high-pressure pump, strainer, sodium filter membrane separator, intermediate water tank, service pump, ion-exchanger and the purification salts solution case that are connected successively by conduit;
Described ion-exchanger comprises the high-valence cationic interchanger and high-valence anion interchanger that connect successively.
2. one according to claim 1 removes high valence ion device in fuel-burning power plant desulfurization wastewater, it is characterized in that: described sodium filter membrane separator and arrange a dense water tank between high-valence cationic interchanger and high-valence anion interchanger.
3. one according to claim 1 removes high valence ion device in fuel-burning power plant desulfurization wastewater, it is characterized in that: described purification salts solution case is connected with a salts solution case, and between a saline solution transferpump is set.
4. one according to claim 1 removes high valence ion device in the desulfurization wastewater of fuel-burning power plant, it is characterized in that: high valence ion device outer setting one control panel in the desulfurization wastewater of described removal fuel-burning power plant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510588340.5A CN105174539A (en) | 2015-09-16 | 2015-09-16 | Device for removing high valence ions in desulfurization wastewater of thermal power plant |
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| CN201510588340.5A CN105174539A (en) | 2015-09-16 | 2015-09-16 | Device for removing high valence ions in desulfurization wastewater of thermal power plant |
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| CN105174539A true CN105174539A (en) | 2015-12-23 |
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| CN201510588340.5A Pending CN105174539A (en) | 2015-09-16 | 2015-09-16 | Device for removing high valence ions in desulfurization wastewater of thermal power plant |
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| GB2395946B (en) * | 2002-12-05 | 2006-01-18 | Thomas Altmann | Method for the production of sodium chloride from seawater |
| CN1590322A (en) * | 2003-09-05 | 2005-03-09 | 国家海洋局杭州水处理技术研究开发中心 | Membrane separation method of zero discharge of electroplating waste water treatment |
| CN1704365A (en) * | 2004-05-25 | 2005-12-07 | 侯立安 | Method for treatment of radioactive waste water and system therefor |
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| CB02 | Change of applicant information |
Address after: 226000 Jiangsu mayor of Nantong Road No. 695 Applicant after: Jiangsu Hairong Thermal AND Environmental Engineering Co., Ltd. Address before: 226000 Jiangsu, Nantong, Gangzha District, North Ring Road, No. 438 Applicant before: Nantong Hairong Heat Energy Environmental Engineering Co., Ltd. |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20151223 |
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| WD01 | Invention patent application deemed withdrawn after publication |