CN204803133U - Professional equipment of high strong brine edulcoration of industry purification technology - Google Patents
Professional equipment of high strong brine edulcoration of industry purification technology Download PDFInfo
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- CN204803133U CN204803133U CN201520369094.XU CN201520369094U CN204803133U CN 204803133 U CN204803133 U CN 204803133U CN 201520369094 U CN201520369094 U CN 201520369094U CN 204803133 U CN204803133 U CN 204803133U
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- strong brine
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Abstract
The utility model provides a professional equipment of high strong brine edulcoration of industry purification technology, adopts the two -stage to deposit clarification, ion exchange, the degasification, decoloration, advanced oxidation treatment process, finally produces water and can evaporate crystallization salt manufacturing, has reduced harm such as the energy consumption loss among the evaporation crystallisation process, inside scale deposit, corrosion of equipment to can produce the higher crystal salt of quality, realize the high strong brine utilization's of industry target, not only protect the environment, improve economic benefits in addition.
Description
Technical field
The utility model belongs to industrial strong brine Treatment and recovery and utilizes technical field; specifically just relate to the specific equipment of a kind of industry high strong brine removal of impurities purifying technique, high for industry strong brine is carried out removal of impurities purification, produce water and carry out evaporative crystallization salt manufacturing; improve the quality of crystalline salt, protect environment.
Background technology
The high strong brine of industry is mainly derived from factory effluent concentrated solution, circulating water system draining, chemical water station draining etc. in production process, and be characterized in that saltiness is high, total salinity (TDS) generally can reach 3 ~ 100,000 mg/L, and wherein, salinity is mainly with Cl
-, SO
4 2-, Na
+be main Deng material, except containing except a large amount of salinities, also containing PO in industrial high strong brine
4 3-, CO
3 2-, SS, COD, fluorine, total silicon, calcium magnesium barium strontium plasma, density is large, adopts conventional method process, cannot reach the requirement of discharge of wastewater water quality more and more stricter at present.
At present, for the treatment process of the high strong brine of industry, normal employing be evaporative crystallization technique, mainly comprise mechanical vapor-compression technology (MVR) and multiple-effect evaporation technology (MED), the two has a something in common to be strict to water inlet (industrial high strong brine) water quality requirement, if directly entered evaporation and crystallization system, very large impact can be caused: (1) energy loss is large: because the concentration that can reclaim product in waste liquid is low to evaporative crystallization process, cause the energy consumption needed for moisture evaporation comparatively large, high cost; (2) scale problems is serious: reclaim in the process of sodium-chlor in evaporation, the very easily fouling of evaporator room and heating tube, this reduces making the heat transfer coefficient of heating tube, increases the consumption of the energy; (3) equipment corrosion is strong: the corrodibility of Chloride Solution to equipment of high density is extremely strong, needs to carry out special processing to material, has increased the weight of cost recovery; (4) secondary pollution is brought: reclaim in evaporation the waste gas produced in product process and enter in water of condensation, cause the secondary pollution of water of condensation.Therefore, be necessary to carry out pre-treatment to haline water, remove the impurity etc. that it is relevant.
The evaporative crystallization pretreatment process of the high strong brine of existing industry adopts coagulation sedimentation usually.It has, and cost is low, performance good, high-level efficiency, attended operation are easy, treatment effect is good, the advantages such as device requirement is low, turbidity and the colourity of waste water can be reduced to a certain extent, remove multiple macromolecule organic, or even the dissolved organic matter of difficult degradation, and some heavy metal ion and radioactive substances etc., and the dewatering of mud can be improved.But, coagulating sedimentation also comes with some shortcomings, and as being subject to water quality, temperature, flocculation agent patterns affect larger, equipment runs complicated, working cost is high, when dropping into too much medicament, medicament itself also pollutes water body, and water quality is ever-changing, and best dosage is different, must be determined by experiment, and the sludge quantity produced is comparatively large, need increase sludge concentration and dewatering treatment system, thus increase expense and floor space etc.Therefore, technology, economically viable evaporative crystallization preconditioning technique urgently need development & application.
Utility model content
The purpose of this utility model is high for existing industry high strong brine processing technology running cost, the technological deficiency that processing efficiency is low, (English: IndustrialHigh-concentratedBrineTreatmentTechnology at the high strong brine treatment technology of existing industry, be called for short: IHBT) with evaporative crystallization preconditioning technique (EvaporationCrystallizationPretreatmentTechnology, be called for short: on basis ECP), carry out technological improvement, devise a kind of industrial high strong brine removal of impurities purifying technique and specific equipment (English: IndustrialHigh-concentrationBrinePurificationTechnologya ndSpecialEquipment thereof, be called for short: IHBP), by high for industry strong brine through the clarification of two-stage precipitation, ion-exchange, degassed, decolouring, advanced oxidation process, final product water carries out evaporative crystallization salt manufacturing, reduce energy loss in evaporation and crystal process, internal incrustation, the harm such as equipment corrosion, produce the higher crystalline salt of quality simultaneously, achieve the target of industrial high strong brine recycling, not only protect environment, and improve economic benefit.
Technical scheme
In order to realize above-mentioned technical purpose, a kind of industrial high strong brine removal of impurities purifying technique of the utility model design, it comprises following step:
(1) high for industry strong brine is carried out precipitin reaction process, remove the PO in waste water
4 3-, CO
3 2-, SS, COD, fluorine, total silicon, calcium magnesium barium strontium ion, obtain clarification and effluent;
(2) clarification and effluent that step (1) obtains is carried out ion exchange treatment, remove calcium magnesium barium strontium metal ion in waste water further, obtain ion-exchange water outlet;
(3) degassed process is carried out in the ion-exchange water outlet that step (2) obtains, the carbonate in waste water, bicarbonate radical are changed into carbonic acid gas, and stripping is removed, and obtains degassed water outlet;
(4) desolventing technology is carried out in the degassed water outlet that step (3) obtains, the organic present-color material of concentrating and separating, obtain water outlet of decolouring;
(5) oxide treatment is carried out in the decolouring water outlet that step (4) obtains, oxidation removal organism.
Further, before described step (2) ion exchange treatment, clarification and effluent step (1) obtained first removes SS by filtering, after colloidalmaterial adjust ph to 8.5 ~ 12.0 again scope in.
Further, described step adds strong acid solution in (3), pH value is down between 3 ~ 5, thus makes HCO
3￣, CO
3 2￣ is converted into carbon dioxide and overflows.
Further, first by flocculation agent and electrochemical means, larger molecular organics is carried out crane span structure link in described step (4), then carry out concentrated decolouring by separatory membrane, the concentrated solution of generation is 4% of former water.
For the specific equipment of industry described above high strong brine removal of impurities purifying technique, it is characterized in that: it comprises two-stage settling pond, ion exchange column, degassing tower, decolouring film unit, oxidation reactor;
Former pond is connected with two-stage settling pond, the first intake pump connecting pipeline is equipped with, the clear liquid output terminal of two-stage settling pond connects ion exchange column clear liquid input terminus, mud output terminal connects sludge treating system, regeneration liquid pool is connected with ion exchange column regenerated liquid input terminus, the second intake pump connecting pipeline is equipped with, the clear liquid output terminal of ion exchange column connects the water-in of degassing tower, elutriant output terminal connects liquid waste treatment system, the blast inlet of degassing tower is connected with centrifugal blower, air outlet opens wide, and water outlet is connected with decolouring film unit; The concentrated solution output terminal of decolouring film unit connects dope pond, and permeate output terminal connects oxidation reactor, and the output terminal of oxidation reactor connects product pond.
Further, described two-stage settling pond is built with reaction stirrer.
Further, be equipped with in described ion exchange column ion exchange resin strainer, under meter, tensimeter.
Further, described decolouring film unit comprises modified-reaction device, and modified-reaction device is connected with membrane element, and connecting pipeline is equipped with high-pressure pump.
Beneficial effect
The utility model adopt two-stage precipitation clarification, ion-exchange, degassed, decolour, advanced oxidation treating processes; final product water can carry out evaporative crystallization salt manufacturing; decrease the harm such as the energy loss in evaporation and crystal process, internal incrustation, equipment corrosion; and the crystalline salt that quality is higher can be produced; achieve the target of industrial high strong brine recycling; not only protect environment, and bring economic benefit.
Accompanying drawing explanation
Accompanying drawing 1 is process flow sheet of the present utility model.
Accompanying drawing 2 is equipment connecting relation schematic diagram of the present utility model.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described further.
As shown in Figure 2, the specific equipment of a kind of industry high strong brine removal of impurities purifying technique, it comprises two-stage settling pond 1, ion exchange column 2, degassing tower 3, decolouring film unit 4, oxidation reactor 5;
Former pond 6 is connected with two-stage settling pond 1, the first intake pump 7 connecting pipeline is equipped with, the clear liquid output terminal of two-stage settling pond 1 connects ion exchange column 2 clear liquid input terminus, mud output terminal connects sludge treating system 9, regeneration liquid pool 12 is connected with ion exchange column 2 regenerated liquid input terminus, the second intake pump 11 connecting pipeline is equipped with, the clear liquid output terminal of ion exchange column 2 connects the water-in of degassing tower 3, elutriant output terminal connects liquid waste treatment system 10, the blast inlet of degassing tower 3 is connected with centrifugal blower 13, air outlet opens wide, water outlet is connected with decolouring film unit 4, the concentrated solution output terminal of decolouring film unit 4 connects dope pond 17, and permeate output terminal connects oxidation reactor 5, and the output terminal of oxidation reactor 5 connects product pond 18.
Described two-stage settling pond 1 is built with reaction stirrer 8.
In described ion exchange column 2, ion exchange resin, strainer, under meter, tensimeter are housed.
Described decolouring film unit 4 comprises modified-reaction device 14, and modified-reaction device 14 is connected with membrane element 16, connecting pipeline is equipped with high-pressure pump 15.
As shown in Figure 1, technological process that industrial high strong brine removal of impurities purifies is as follows to utilize above-mentioned specific equipment to carry out:
The first step, pumps into two-stage precipitation clarification system, carries out precipitin reaction, remove the PO in waste water by high for industry strong brine
4 3-, CO
3 2-, SS, COD, fluorine, total silicon, calcium magnesium barium strontium etc., these impurity enter sludge treating system in form of a sludge, dispose after dehydration.
Second step, clarification and effluent obtained above enters ion exchange system, regulate in the scope of pH to 8.5 ~ 12.0 after first removing the material such as SS, colloid by filtering system, then carry out ion-exchange by ion exchange column, remove the metal ions such as the calcium magnesium barium strontium in waste water; By HCl regeneration of waste liquor (NaOH solution transition) after resin is saturated, can switching performance be recovered, proceed ion-exchange.
3rd step, after ion exchange system water outlet obtained above enters degas system, adds strong acid solution, pH is down between 3 ~ 5, thus makes HCO
3 ￣, CO
3 2 ￣etc. be converted into carbon dioxide from system stripping remove.
4th step, degas system water outlet obtained above enters decolouring system, only retains organism and retain the characteristic of salinity hardly by special separatory membrane, carries out concentrated decolouring to useless Organic substance in water, the concentrated solution produced is about 4% of former water, can burning disposal or recycling.
5th step, decolouring system obtained above water outlet enters advanced oxidation system, carries out electrochemical oxidation or adds strong oxidizer process, makes the organism generation chemical oxidation reaction in waste water, produces water and can carry out evaporative crystallization product separation salt.
The utility model adopt two-stage precipitation clarification, ion-exchange, degassed, decolour, advanced oxidation treating processes; final product water can carry out evaporative crystallization salt manufacturing; decrease the harm such as the energy loss in evaporation and crystal process, internal incrustation, equipment corrosion; and the crystalline salt that quality is higher can be produced; achieve the target of industrial high strong brine recycling; not only protect environment, and bring economic benefit.
Claims (4)
1. a specific equipment for industry high strong brine removal of impurities purifying technique, is characterized in that: it comprises two-stage settling pond (1), ion exchange column (2), degassing tower (3), decolouring film unit (4), oxidation reactor (5);
Former pond (6) is connected with two-stage settling pond (1), the first intake pump (7) connecting pipeline is equipped with, the clear liquid output terminal of two-stage settling pond (1) connects ion exchange column (2) clear liquid input terminus, mud output terminal connects sludge treating system (9), regeneration liquid pool (12) is connected with ion exchange column (2) regenerated liquid input terminus, the second intake pump (11) connecting pipeline is equipped with, the clear liquid output terminal of ion exchange column (2) connects the water-in of degassing tower (3), elutriant output terminal connects liquid waste treatment system (10), the blast inlet of degassing tower (3) is connected with centrifugal blower (13), air outlet opens wide, water outlet is connected with decolouring film unit (4), the concentrated solution output terminal of decolouring film unit (4) connects dope pond (17), and permeate output terminal connects oxidation reactor (5), and the output terminal of oxidation reactor (5) connects product pond (18).
2. the specific equipment of industrial high strong brine removal of impurities purifying technique as claimed in claim 1, is characterized in that: described two-stage settling pond (1) is built with reaction stirrer (8).
3. the specific equipment of industrial high strong brine removal of impurities purifying technique as claimed in claim 1, is characterized in that: described ion exchange column is equipped with ion exchange resin, strainer, under meter, tensimeter in (2).
4. the specific equipment of industrial high strong brine removal of impurities purifying technique as claimed in claim 1, it is characterized in that: described decolouring film unit (4) comprises modified-reaction device (14), modified-reaction device (14) is connected with membrane element (16), connecting pipeline is equipped with high-pressure pump (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520369094.XU CN204803133U (en) | 2015-06-01 | 2015-06-01 | Professional equipment of high strong brine edulcoration of industry purification technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520369094.XU CN204803133U (en) | 2015-06-01 | 2015-06-01 | Professional equipment of high strong brine edulcoration of industry purification technology |
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| CN204803133U true CN204803133U (en) | 2015-11-25 |
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|---|---|---|---|
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104909494A (en) * | 2015-06-01 | 2015-09-16 | 上海晶宇环境工程有限公司 | Process for impurity removal and purification of industrial high-concentration brine and special equipment of process |
-
2015
- 2015-06-01 CN CN201520369094.XU patent/CN204803133U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104909494A (en) * | 2015-06-01 | 2015-09-16 | 上海晶宇环境工程有限公司 | Process for impurity removal and purification of industrial high-concentration brine and special equipment of process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 200081 room 3, floor 22, No. 196, Ouyang Road, Hongkou District, Shanghai Patentee after: SHANGHAI JINGYU ENVIRONMENTAL ENGINEERING CO., LTD. Address before: Room 1501, No. 612, North Road, Hongkou District station, Shanghai, Shanghai Patentee before: Shanghai Jingyu Environment Engineering Co., Ltd. |
|
| CP03 | Change of name, title or address |