CN104312712A - Recycling and refining method of separating water in recovery of sodium sulfide from waste liquid - Google Patents
Recycling and refining method of separating water in recovery of sodium sulfide from waste liquid Download PDFInfo
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Abstract
The invention relates to a recycling and refining method of separating water in recovery of sodium sulfide from waste liquid, and the method is characterized in that: waste liquid, polyacrylamide, anhydrous sodium sulfate, trichloroisocyanuric acid, poly clear-fluessig, poly sodium acrylate and sodium chloride as raw materials produced in the process of production of lubricating oil additives are mixed evenly, conveyed into a liquid storage tank for storage, and pumped into an evaporator by a pump, steam is opened, the waste liquid in the evaporator is heated by 0.6MPa saturated steam, then conveyed into a flash evaporator for vaporization separation, and evaporated and concentrated at 110 to 130 DEG C until the mass fraction of the waste liquid is concentrated from 25% to greater than or equal to 60%, the waste liquid is filtered for impurity removal, then conveyed into finished product tank, heated to 80 DEG C, and retained for 30min, the liquid in the tank is produced into a transparent material; the transparent material is automatically sent into a sheet making machine, liquid in a material disc can be stuck up by a rotating drum cooled by circulating water, the liquid is cooled and solidified into a solid; separated pure water is condensed, and then stored in a storage tank to use as secondary circulation water; and water resource is saved.
Description
Technical field
The present invention relates to a kind of Separation of Water regeneration of reclaiming sodium sulphite from waste liquid, specifically it be with factory in the process of producing lubricating oil additive the waste liq that produces for raw material, through the pure waste water that mechanical filter filtering and impurity removing, heating, carburation by evaporation separation, evaporation concentration, condensation, solidification, film-making, drying are separated after making sodium sulphite, return production plant water tank, be used for industrial raw material with sodium hydroxide wiring solution-forming again, belong to refuse process field.
The invention still further relates to the process for extracting of this devil liquor recovery sodium sulphite and Separation of Water.
Background technology
Water is that tellurian is rely the basic substance existed, and water resources is the most important condition maintaining ball ecological environment Sustainable development and even human survival; Therefore, water conservation is the bounden duty that the mankind are great, the most sacred; China is the country that a lack of water is serious; Freshwater resources total amount is 28000 billion cubic meters, account for 6% of global water resources, be only second to Brazil, Russia and Canadian, occupy the 4th, the world, but only have 2300 cubic metres per capita, be only 1/4 of world average level, 1/5 of the U.S., ranking 121 in the world, is one of 13 countries that water resources is the poorest per capita in the whole world; After deducting the flood river rising in Ningxia and flowing into central Shaanxi stream being difficult to utilize and the groundwater resource being dispersed in remote districts, China's available Freshwater resources amount of reality is then less, about being only 11000 billion cubic meters, available water resource is about 900 cubic metres per capita, and its distributed pole is unbalanced; In more than 600 city, the whole nation, there is insufficient water problem in existing more than 400 city, wherein more serious lack of water city reaches 110, and National urban lack of water total amount is 60 billion cubic meters; Olighydria has become one of " bottleneck " of serious restriction Chinese society Economic development; According to data, before and after the year two thousand thirty, Chinese water total amount will reach annual 7000 hundred million to 8000 billion cubic meters, due to the stability of water resources supply and the continuous growth of demand, make glassware for drinking water have more and more important strategic position; Estimate 21 century water to the importance of the mankind by as 20th century oil to the importance of the mankind, become a kind of scarce commodity determining national wealth; Along with the fast development of Chinese Urbanization and economic society, non-agricultural irrigation water demand is sharply increasing, and national total water consumption adds 25%; Agricultural with industry, rural area and city, produce and live, produce and ecology etc. all multiplex water contradiction aggravate further, the pressure of shortage of water resources increases further.
Along with China's rapid industrial development, the innovation of science and technology and progress, the high speeds such as communications and transportation, heavy industry, light industry, chemical industry, building materials are industrial, mechanical develop, and China's lubricating oil additive market demand presents ascendant trend year by year in recent years; The development of related application technology all serves active effect to widening further of lubricating oil additive Application Areas, has greatly driven the increase of lubricating oil additive market demand; For lubricating oil additive industry brings good development foundation; Simultaneously, also a large amount of waste liquids and sewage is created in the production process manufacturing lubricating oil additive, its quantity discharged increases year by year, generally sulphur, phosphorus, chlorine, hydrogen sulfide, ammonia, volatile phenol organism and each heavy metal species and compound is all contained in these waste liquid sewage, elementary composition primarily of S, P, Cl, not containing large particulate matter, composition is the high a kind of semi-solid state waste of a kind of boundary water ratio between inorganics and organism, its water ratio is more than 80%; And there is toxicity, corrodibility and foul smell, and if unprocessed direct discharge, will polluted river and groundwater resource, easily cause new secondary pollution, serious harm is caused to environment; The most urban groundwater in the whole nation is by point-like to a certain extent and facial contamination, and there is the trend increased the weight of year by year, the water pollutions be on the rise not only reduces the using function of water body, also exacerbate the contradiction of shortage of water resources further, the strategy of sustainable development implemented China brings and has a strong impact on, but also the safe drinking water of serious threat to city resident and the health of the people; Therefore, to waste liq and the sewage of the compound containing elements such as S, P, Cl that enterprise produces in the process of producing various lubricating oil additive, carry out necessary process to dispose and comprehensive resource recycling, become the research topic of scientific and technical personnel's extensive concern of China.
Summary of the invention
Object of the present invention provides a kind of Separation of Water regeneration of reclaiming sodium sulphite from waste liquid to solve above-mentioned Problems existing just, the waste liq produced in the process of employing production lubricating oil additive is that the separation pure water after raw materials recovery extracts sodium sulphite carries out recycle, thus to solve in the process of producing lubricating oil additive the waste liq that produces to the pollution of environment, solve again at the resource regeneration producing the waste liq produced in the process of lubricating oil additive, turn waste into wealth, change evil for benefit, achieve the resource circulation utilization of waste.
The present invention also provides the process for extracting of this devil liquor recovery sodium sulphite and Separation of Water.
The object of the invention is by following technical proposal Shi Now's;
From waste liquid, reclaim a Separation of Water regeneration for sodium sulphite, it is characterized in that the pure water separated after it makes sodium sulphite by the raw material of following weight proportioning:
Lubricating oil additive waste liq 120 ~ 150 parts
Polyacrylamide (PAM) 0.3 ~ 0.6 part
Anhydrous sodium sulphate 10 ~ 15 parts
Trichloroisocyanuric acid 0.2 ~ 0.5 part
Poly-clear-fluessig 0.5 ~ 1.0 part
Sodium polyacrylate 0.1 ~ 0.3 part
0.2 ~ 0.5 part, sodium-chlor
Described lubricating oil additive waste liq, that factory is at production petroleum additive, detergent-dispersant additive, anti-oxidation and antisepsis agent, metal passivator, extreme pressure anti-wear additives, oiliness improver and friction improver, viscosity index improver, rust-preventive agent, pour point depressant, foam reducing composition, composite lubricating oil additive, hydraulic guide rail oil recombiner, slide rail oil recombiner, high-temperature chain oil recombiner, turbine oil recombiner, compressor oil recombiner, thermal oil recombiner, quenching oil recombiner, a large amount of waste liqs is produced in the process of transformer oil recombiner, generally all sulphur is contained in these waste liqs, phosphorus, chlorine, hydrogen sulfide, ammonia, volatile phenol organism and each heavy metal species and compound, primarily of S, P, Cl is elementary composition, not containing large particulate matter, it composition is the high a kind of semi-solid state waste of a kind of boundary water ratio between inorganics and organism, its water ratio is more than 80%,
Described a kind of Separation of Water regeneration of reclaiming sodium sulphite from waste liquid, it is characterized in that it utilizes the waste liq produced in the production process of manufacture lubricating oil additive to be raw material, in the process of remanufacture sodium sulphite, the treatment agent mixed is needed to be respectively: emulsion splitter, separating agent, dewatering agent, flocculation agent, finings, enriching agent;
Described a kind of process for extracting reclaiming the Separation of Water regeneration of sodium sulphite from waste liquid, is characterized in that it carries out in the steps below:
Get the lubricating oil additive waste liq of the water ratio 80 ~ 85% of 120 ~ 150 weight parts, the polyacrylamide of 0.3 ~ 0.6 weight part, the anhydrous sodium sulphate of 10 ~ 15 weight parts, the trichloroisocyanuric acid of 0.2 ~ 0.5 weight part, the poly-clear-fluessig of 0.5 ~ 1.0 weight part, the sodium polyacrylate of 0.1 ~ 0.3 weight part, the sodium-chlor of 0.2 ~ 0.5 weight part mixes, be input to liquid storage tank; After preheating, by automatic pump, mixing liquid is sent to evaporator evaporation indoor, then steam waste heat power input channel is opened, with the waste liq in the saturation steam indirect heating evaporator evaporation room of 0.6MPa, carburation by evaporation separation is carried out in waste liq input flasher after heating, its vaporization temperature should control to be 110 DEG C ~ 130 DEG C, makes it evaporation concentration; Adopt vaporizer recycle pump accelerate the circulation of waste liq in vaporizer and accelerate waste liquid evaporation speed, make the massfraction of waste liq by 23% ~ 26% liquid concentration to more than >=60%, be filtered and be automatically sent to finished product after removing impurity and pass on container for storing liquid; With finished product pass on automatic pump input finished pot, transfer pressure is 0.3 ~ 0.5MPa, and carrying out heating through finished pot and stop 30min makes temperature rise to 80 DEG C, and the waste liq in finished product mixing tank just generates a kind of transparent color colloidal mixture; By mixture, with being pumped into, vapo(u)rization system is concentrated makes production liquid, then makes it slowly automatically send in the charging tray of pelleter, is sticked up the production liquid in charging tray, after making production liquid cooled and solidified become solid by the interior rotary drum be cooled with circulating water; Condense the pure water separated, and hold-up vessel of restoring, carries out secondary circulation utilization; Thus the resource recycling solved manufacturing the waste liq produced in the production process of lubricating oil additive utilizing, turning waste into wealth, changing evil for benefit, to reduce the pollution to physical environment, having saved water resources.
Described a kind of Separation of Water regeneration of reclaiming sodium sulphite from waste liquid, it is characterized in that it is flash process for what evaporate employing, its vaporization temperature should control to be 110 DEG C ~ 130 DEG C, make the secondary steam that the production liquid in evaporator evaporation room produces when evaporation concentration, by secondary steam condenser indirect condensing, water of condensation to be condensed the pure water separated by secondary steam, to restore hold-up vessel, carry out secondary circulation utilization, mix with the requirement of sodium hydroxide according to proportion, be used further to industrial production raw material.
Described a kind of Separation of Water regeneration of reclaiming sodium sulphite from waste liquid, it is characterized in that it uses water circulating type vacuum pump gas water separation tank, for the vacuum unit processed of evaporator evaporation room, from the isolated a small amount of noncondensable gas of gas water separation tank or organic gas, qualified discharge after the washing of alkali dirt washer.
Described a kind of Separation of Water regeneration of reclaiming sodium sulphite from waste liquid, it is characterized in that it adopts secondary steam condensation, that the temperature after the secondary steam of circulating water condensing can raise, and typical temperature is 110 DEG C ~ 120 DEG C by the secondary steam condensation of recirculated water; Water coolant after temperature raises directly puts into wet cooling tower, transpiration cooling water cycle pond is flowed into after cooling, cooling temperature is 30 DEG C ~ 40 DEG C, then with cooling-water pump, water is sent into the secondary steam water that secondary steam condenser carries out circulating cooling vaporizer.
Described a kind of Separation of Water regeneration of reclaiming sodium sulphite from waste liquid, is characterized in that it is by the water coolant in pelleter rotary drum, from film-making refrigeration cycle pond, sends into water pump; Film-making cooling tower is directly sent in the water outlet of pelleter, automatically flows into the cooling water circulation pond of film-making and recycle after cooling.
Described a kind of Separation of Water regeneration of reclaiming sodium sulphite from waste liquid, it is characterized in that the steam condenses that evaporator heating chamber discharges by it, first through steam separator separate vapour and condensed water, then by the pressure of steam self, condensed water is sent to flasher, in step-down situation, make condensed water convert steam to and deliver to each insulation of equipment, the condensed water after cooling returns workshop tank, uses as systemic circulation.
Described a kind of Separation of Water regeneration of reclaiming sodium sulphite from waste liquid, is characterized in that it arranges Clean-water pot, purge tank water pump, for vaporizer and other equipment provide the specific equipment of cleaning hot water; Trench, trench water collecting tank, for collecting the waste water of cleaning equipment and cleaning, occurring the stocking system of the waste liq that equipment breakdown is discharged; Its waste water collected, waste liquid, with being pumped into sodium hydroxide melting tank, dissolve starting material with water for what dissolve sodium hydroxide.
The present invention adopts and manufactures the raw material that the waste liq produced in the production process of lubricating oil additive is remanufacture sodium sulphite and Separation of Water, is because the factory of manufacture lubricating oil additive in process of production, is utilize organic boric acid ester, hexadecanol, barium mahogany sulfonate, petroleum sodium sulfonate, boric acid, toluene, thanomin, borate and basic cpd, sulfonate, phenates and salicylate, carbonate, low alkali value synthesized calcium alkyl benzene sulfonate, high base number linear alkyl benzene, high base number synthesis dialkyl benzene, high base number synthesis sulfonic acid magnesium, SULFURIZED CALCIUM ALKYL PHENATE WITH HIGH BASE NUMBER, the pungent primary alkyl zinc salt of sulphur phosphorus fourth, the two pungent primary alkyl zinc salt of alkali formula sulphur phosphorus, sulphur phosphorus brothers alkyl zinc salt, high molecular weight polyisobutylene base succimide is raw material, at production petroleum additive, detergent-dispersant additive, anti-oxidation and antisepsis agent, metal passivator, extreme pressure anti-wear additives, oiliness improver and friction improver, viscosity index improver, rust-preventive agent, pour point depressant, foam reducing composition, fuel oil additive and composite lubricating oil additive and hydraulic guide rail oil recombiner, slide rail oil recombiner, high-temperature chain oil recombiner, turbine oil recombiner, compressor oil recombiner, thermal oil recombiner, quenching oil recombiner, produce a large amount of waste liqs in the process of transformer oil recombiner, in these waste liqs, generally all contain sulphur, phosphorus, chlorine, hydrogen sulfide, ammonia, the organism such as volatile phenol and each heavy metal species and chalcogenide, primarily of S, P, Cl is elementary composition, the pure water separated after treated recovery sodium sulphite, then carry out the water of productive use of recycle, be both conducive to environment protection, again saving water resource.
The present invention selects anhydrous sodium sulphate manufacturing the dewatering agent of the waste liq produced in the production process of lubricating oil additive as reclaiming sodium sulphite Separation of Water and processing and manufacturing the auxiliary material of sodium sulphite; Anhydrous sodium sulphate, Chinese name: sodium sulfate, English name: Sodium sulfate; Another name: thenardite, anhydrous sodium sulphate, Sodium sulfate anhydrous.min(99), chemical formula: Na2SO4, molecular weight: 142.06, solvability: be insoluble to ethanol, water-soluble, be dissolved in glycerine, fusing point: 884 DEG C, boiling point: 1404 DEG C; Outward appearance and proterties: colourless transparent crystal, crystal short cylinder, aggregate is compact mass or cot shape etc., is sometimes with pale yellow or green, soluble in water; White, odorless, the crystallization having bitter taste or powder, have water absorbability; Profile is colourless, transparent, large crystallization or the little crystallization of graininess, purity: more than 98%; Packaging: 25kg, density: 2.68, purposes: chemical industry is used as to manufacture sodium sulphite, water glass and other Chemicals; Paper industry is for the manufacture of steaming-boiling agent during sulfate pulping, and glass industry makees solubility promoter in order to replace soda ash, textile industry for allocating vinylon spinning peptizer, also for the aspect such as Non-ferrous Metallurgy, leather; It is byproduct when manufacturing hydrochloric acid with salt and sulfuric acid; The separating and dehydrating agent of this waste liq adopting sodium sulfate to produce as process lubricating oil additive.
The present invention selects sodium polyacrylate as reclaiming sodium sulphite Separation of Water and processing at the separating agent manufacturing the waste liq produced in the production process of lubricating oil additive;
chinese another name:2-sodium acrylate homopolymer, sodium polyacrylate (PAAS), S sodium polyacrylate;
english name:sodium polyacrylate;
english another name: Polyacrylic acid sodium salt; Sodiumpolyacrylateinwater; (PAAS);
molecular formula:(C3H3NAO2)
molecular weight:general 10 ~ 10 orders of magnitude; Sodium polyacrylate is the polymeric dielectrics of a class polyanion, is a class purposes important Chemicals widely; Have a wide range of applications in departments such as environmental protection, food, medicine, weaving, sewage disposal, petroleum chemistry, metallurgy; The Sodium Polyacrylate Super Hydroscopicity Resin of super-high relative molecular weight, is mainly used as water-retaining agent; Sodium polyacrylate greatly mainly with vinylformic acid be raw material in sodium hydroxide and post polymerization obtain, also other monomer available and sodium acrylate carry out copolymerization, carry out modification to the performance of sodium polyacrylate, synthesize and have the sodium polyacrylate multipolymer of property; Sodium polyacrylate, as a kind of fine chemical product, is being studied in recent years widely; Its synthetic method, because of the factor of the aspects such as concrete molecular size range, application function and economic angle, can select solution method, suspension method and emulsion method to come synthesizing liquid, colloidal state, offset plate or polymer powder; The molecular weight of sodium polyacrylate can from hundreds of to several more than ten million, and the sodium polyacrylate of different molecular weight has different purposes; Sodium polyacrylate purposes widely, can be divided into industrial and foodstuff additive two large classes; Its industrialization product adularescent or light yellow bulk or powder; Water white transparency, thick liquid; Industrial application covers the industries such as daily chemical industry, agricultural, petroleum industry, industrial circulating water system, mining industry, coating, papermaking, weaving, building and medical and health; Sodium polyacrylate in this project mainly for the treatment of lubricating oil additive produce waste liq in wastewater treatment.
The present invention selects trichloroisocyanuric acid as reclaiming sodium sulphite Separation of Water and processing at the finings manufacturing the waste liq produced in the production process of lubricating oil additive; Carry out clarifying treatment mainly at the muddy sewage quality producing the waste liq produced in the process of lubricating oil additive, pH value is not had an impact, can filter efficacy be improved, without the need to soil pick-up, can water quality be recovered, make sewage become clear; Trichloroisocyanuric acid (be commonly called as strong chlorine oil, english abbreviation is TCCA), is a kind of white crystalline powder, has hypochlorous special odor; Molecular weight 232.5, proportion 0.96, in water, solubleness is 1.2 grams/100 grams (25 DEG C), and 1% pH value of water solution is 2.3 ~ 2.9, meets soda acid and decomposes; Molecular formula: CL3(CNO) 3, product major function and feature, sterilization effect is remarkable; It is exist with hypochlorous acid molecular form that trichloroisocyanuric acid rapidly dissolving tablet is dissolved in water; Hypochlorous acid is a kind of strong oxidizer, can make bacterium, pathogenic bacteria protein chlorination sex change lethal; According to surveying and determination, the sterilization effect of hypochlorous acid molecule be equivalent to chlorine bleach liquor, Losantin and chlorinated lime 80 ~ 100 times; It can kill various bacterial propagule, virus, fungi, gemma and alga microbial etc. rapidly; Efficacy stability, efficiency time is long, and decomposition rate is about 0.1ppm/ hour in water for product available chlorine, and under same effective chlorine density, the stability of the aqueous solution of rapidly dissolving tablet grows 4 ~ 5 times than the working lipe of the chlorinated lime aqueous solution or drift ice; Meanwhile, also exist one when being hydrolyzed and generate hypochlorous equilibrium process, define the hypochlorous acid release of persistence, safety, noresidue; And traditional clorox, chlorinated lime produce is the release of instantaneous burst; Trichloroisocyanuric acid consumption saves cost less, and according to surveying and determination, consumption is 1/18 of chlorine bleach liquor's (drift ice) consumption, 1/10 of chlorinated lime consumption; The tricarbimide that hydrolysis is generated has the ultraviolet ability of absorption, and free chlorine is stablized; Usage quantity, by 1000m
3sewage consumption is 2 ~ 5kg, and tablet is by 5 ~ 10 grams, every cube of sewage.
The present invention selects poly-clear-fluessig as reclaiming sodium sulphite Separation of Water and processing at the breakdown of emulsion enriching agent manufacturing the waste liq produced in the production process of lubricating oil additive; Be applicable to high concentrtion industrial sewage, have good demulsification effect to emulsion in water simultaneously; General dosage is at 2 ~ 10ppm, concrete dosage is determined according to water quality, poly-clear-fluessig is a kind of liquid emulsion splitter containing efficient coacervation activating substance, be applicable to carry out Separation of Water process to various different emulsifying aq, dehydration and desalting treatment, removal organic composition etc. in sewage disposal; The physical properties of poly-clear-fluessig: the content of active substance: 11%; PH value when 20 DEG C: about 2.6; Viscosity when 20 DEG C: 3.5 ~ 4.5cP; Density when 20 DEG C: 1.20g/cm
3; Zero pour: about subzero 12 DEG C; The using method of poly-clear-fluessig: effective especially when 1, the use range of the pH value of poly-clear-fluessig is between 6 ~ 9, becomes very in the emulsion splitter of the waste liq produced as process lubricating oil additive and liquid form application thereof and operation simple; 2, poly-clear-fluessig can also use as the form of its enriching agent; 3, poly-clear-fluessig can carry out online breakdown of emulsion to emulsifying aq and is separated with wet goods impurity organic composition by sewage, and dosing is by having come than nurse doctor automatic gauge injection dosing pump; Poly-clear-fluessig dosing dosage: general chemical feeding quantity is 0.5 ~ 20ml/m
3the dosage of sewage just can reach very high breakdown of emulsion, concentrated, the speed that is separated and effect.
The present invention selects polyacrylamide as reclaiming sodium sulphite Separation of Water and process at the flocculation agent manufacturing the waste liq produced in the production process of lubricating oil additive, polyacrylamide, and Chinese another name: No. 3, flocculation agent, is called for short PAM; Polyacrylamide is also called as No. three flocculation agent; Polyacrylamide is divided into anionic polyacrylamide, cationic polyacrylamide, non-ionic polyacrylamide, zwitter-ion polyacrylamide; English name; PAM (acrylamide), be called for short: PAM polyacrylamide is water-soluble linear high molecular polymer by acrylamide (AM) monomer through the one of free radical polymerization, be insoluble to most of organic solvent, there is good flocculence, the friction resistance between waste liq can be reduced, divide by ion characteristic, nonionic, negatively charged ion, positively charged ion and amphoteric Four types can be divided into; Polyacrylamide order number: order number refers to granularity or the fineness degree of material, order number is the number of squares in unit surface, and general definition refers to there is how many mesh count, i.e. the mesh count of screen cloth in the area of 1 inch of x1 inch; If 600 orders have 600 square mesh per square inch, the order number of polyacrylamide is generally 20 order ~ 80 orders, namely between 0.85mm ~ 0.2mm, this is the order number size of granular polyacrylamide, about the order number size of powdered polypropylene acid amides can be controlled in 100 orders, the polyacrylamide that order number is larger more easily dissolves; Polyacrylamide is white powder or fine granularity thing, and density is 1.32g/cm
3(23 degree), second-order transition temperature is 188 degree, softening temperature is bordering on 210 degree, general method contains a small amount of water time dry, absorbing water from environment very soon again time dry, is the non-crystalline solid of white, fluffy with the homopolymer that freeze-drying is separated, but is then the solid that glassy portions is transparent after precipitate also drying from solution, the polyacrylamide PAM of complete drying is the white solid of fragility, and commercial polypropylene acid amides is dry normally dry at moderate conditions; General water content is ten five five to percent percent, and the polymeric membrane prepared on a glass of casting is then transparent, hard, frangible solid; Three-dimensional arrangement is based on atactic; Thermostability: easily decompose when temperature is more than 120 degree; Solvability: water-soluble, is insoluble to organic solvent, as benzene, toluene, ethanol, acetone, ester class etc., only in ethylene glycol, glycerine, Party A's acid amides, lactic acid, vinylformic acid, dissolves about 1%; Toxicity: nontoxic; Corrodibility: non-corrosiveness; Water absorbability: solid has water absorbability.
The present invention selects sodium-chlor as reclaiming sodium sulphite Separation of Water and processing the emulsion splitter producing waste liq in the production process manufacturing lubricating oil additive; Sodium-chlor, Chinese: sodium-chlor, English name: Sodium chloride; Chemical formula NaCl; Molecular weight, 58.44CAS7647-14-5 nontoxicity and danger, without dangerous type of control, not control; Sodium-chlor (NaCl), outward appearance is white crystalline, and its source mainly in the seawater, is the main component of salt; What purposes was maximum is industry and food and drink; Soluble in water, glycerine, is slightly soluble in ethanol, liquefied ammonia; Be insoluble to concentrated hydrochloric acid; Micro-in atmosphere have deliquescence, and stability is relatively good, for the manufacture of soda ash and caustic soda and other Chemicals; Ore smelting, foodstuffs industry and fishery are used for salted, also can be used as raw material and the table salt of food flavouring; Developing history illustrates, sodium-chlor is not salt, is the main component of salt; Be recognized as from ancient times to the present is a kind of safe, nontoxic seasonings all always, meets popular taste; And marine containing abundant sodium-chlor, therefore it is low to produce cost, so it is very light to grow up; Physico-chemical property: physical properties, fusing point: 801 DEG C; Boiling point: 1465 DEG C; The crystal formation cubic symmetry of sodium-chlor, in its crystalline structure, larger chlorion lines up cubic closest packing, and less sodium ion then fills the octahedral space between chlorion; Around each ion by six other ion packet round, this structure is also present in other a lot of compounds, is called sodium chloride type structure or halite structure; The octahedral interstices that the structure cell sodium ion of sodium-chlor is filled out, sodium-chlor is white odorless crystalline powder, fusing point 801 DEG C, and boiling point 1413 DEG C, is slightly soluble in ethanol, propyl alcohol, butane, after dissolving each other with butane, becomes plasma body, soluble in water; NaCl is dispersed in alcohol can form colloid, and in its water, solubleness reduces because hydrogenchloride exists, and is dissolved in concentrated hydrochloric acid hardly.
A kind of process for extracting reclaiming the Separation of Water regeneration of sodium sulphite from waste liquid of the present invention, be that the waste liq produced in the production process of manufacture lubricating oil additive, polyacrylamide PAM, anhydrous sodium sulphate, trichloroisocyanuric acid, poly-clear-fluessig, sodium polyacrylate, sodium-chlor are mixed, be input to liquid storage tank; After preheating, by automatic pump, mixing liquid is sent to evaporator evaporation indoor, then steam waste heat power input channel is opened, with the waste liq in the saturation steam indirect heating evaporator evaporation room of 0.6MPa, carburation by evaporation separation is carried out in waste liq pump input flasher after heating, its vaporization temperature should control to be 110 DEG C ~ 130 DEG C, makes it evaporation concentration; Adopt vaporizer recycle pump accelerate the circulation of waste liq in vaporizer and accelerate waste liquid evaporation speed, make the massfraction of waste liq by 23% ~ 26% liquid concentration to more than >=60%, be filtered and be automatically sent to finished product after removing impurity and pass on container for storing liquid; With finished product pass on automatic pump input finished pot, transfer pressure is 0.3 ~ 0.5MPa, and carrying out heating through finished pot and stop 30min makes temperature rise to 80 DEG C, and the waste liq in finished product mixing tank just generates a kind of transparent color colloidal mixture; By mixture, with being pumped into, vapo(u)rization system is concentrated makes production liquid, then makes it slowly automatically send in the charging tray of pelleter, is sticked up the production liquid in charging tray, after making production liquid cooled and solidified become solid by the interior rotary drum be cooled with circulating water; Condense the pure water separated, and hold-up vessel of restoring, carries out secondary circulation utilization; Thus the resource recycling solved manufacturing the waste liq produced in the production process of lubricating oil additive utilizing, turning waste into wealth, changing evil for benefit, to reduce the pollution to physical environment, having saved water resources.
Have the following advantages and effect owing to taking technique scheme the technology of the present invention tool:
A) a kind of Separation of Water regeneration of reclaiming sodium sulphite from waste liquid of the present invention, be with factory in the production process manufacturing lubricating oil additive the waste liq that produces for main raw material, separation pure water after industrial sodium sulphite is made in the treated recovery of blast blending carries out recycle again, is a kind of waste utilization; The safe handling achieving the waste liq that lubricating oil additive processed produces is disposed, thus solves the Treatment and recovery recycle manufacturing the waste liq produced in the production process of lubricating oil additive, to reduce the pollution to physical environment, also a saving water resources;
B) solve in the production process manufacturing lubricating oil additive that the waste liq that produces is to the pollution of environment, waste liquid easily produces a large amount of carbonic acid gas and the discharge of other greenhouse gases under the high temperature conditions; Implement green industrialized production, that resource environment constraint is constantly tending towards the nervous inevitable requirement to industrial development, required measure is taked to reduce discharge to the carbonic acid gas in air and greenhouse gases, to the waste liq of the compound containing elements such as S, P, Cl that enterprise produces in the process of producing various lubricating oil additive, carry out necessary process and comprehensive resource recycling, both protect environment, again save resource;
C) waste liq that produces is solved in the production process manufacturing lubricating oil additive to the serious harm of environment; Generally organic compound and the various heavy metal compounds such as sulphur, phosphorus, chlorine, hydrogen sulfide, ammonia, volatile phenol is all contained in these waste liqs; Under the high temperature conditions, the acid that decomposition produces, sulphur, carbon class material have high toxicity and highly corrosive to these chemical compositions in waste liquid; If unprocessed direct discharge, will polluted river and groundwater resource, easily cause new secondary pollution, serious ecotope harm will be caused;
D) production technique is simple, three-waste free discharge, meet the requirement spirit of national recycling economy and energy-saving and emission-reduction protection of the environment, and less investment, See imitates the advantages such as fast, cost is low, profitable.
Embodiment
Embodiment 1
Get the lubricating oil additive waste liq 120kg of water ratio 80%, polyacrylamide 0.3kg, anhydrous sodium sulphate 10kg, trichloroisocyanuric acid 0.2kg, poly-clear-fluessig 0.5kg, sodium polyacrylate 0.1kg, sodium-chlor 0.2kg mix, be input to liquid storage tank; After preheating, by automatic pump, mixing liquid is sent to evaporator evaporation indoor, then steam waste heat power input channel is opened, with the waste liq in the saturation steam indirect heating evaporator evaporation room of 0.6MPa, carburation by evaporation separation is carried out in waste liq pump input flasher after heating, its vaporization temperature should control to be 110 DEG C, makes it evaporation concentration; Adopt vaporizer recycle pump accelerate the circulation of waste liq in vaporizer and accelerate waste liquid evaporation speed, make the massfraction of waste liq by 23% liquid concentration to more than >=60%, be filtered and be automatically sent to finished product after removing impurity and pass on container for storing liquid; With finished product pass on automatic pump input finished pot, transfer pressure is 0.3MPa, and carrying out heating through finished pot and stop 30min makes temperature rise to 80 DEG C, and the waste liq in finished product mixing tank just generates a kind of transparent color colloidal mixture; By mixture, with being pumped into, vapo(u)rization system is concentrated makes production liquid, makes it slowly automatically send in the charging tray of pelleter, is sticked up the production liquid in charging tray, make production liquid cooled and solidified become solid by the interior rotary drum be cooled with circulating water; Condense the pure water separated, and hold-up vessel of restoring, carries out secondary circulation utilization; Thus the resource recycling solved manufacturing the waste liq produced in the production process of lubricating oil additive utilizing, turning waste into wealth, changing evil for benefit, to reduce the pollution to physical environment, having saved water resources.
Embodiment 2
Get the lubricating oil additive waste liq 150kg of water ratio 85%, polyacrylamide 0.6kg, anhydrous sodium sulphate 15kg, trichloroisocyanuric acid 0.5kg, poly-clear-fluessig 1.0kg, sodium polyacrylate 0.3kg, sodium-chlor 0.5kg mix, be input to liquid storage tank; After preheating, by automatic pump, mixing liquid is sent to evaporator evaporation indoor, then steam waste heat power input channel is opened, with the waste liq in the saturation steam indirect heating evaporator evaporation room of 0.6MPa, carburation by evaporation separation is carried out in waste liq pump input flasher after heating, its vaporization temperature should control to be 130 DEG C, makes it evaporation concentration; Adopt vaporizer recycle pump accelerate the circulation of waste liq in vaporizer and accelerate waste liquid evaporation speed, make the massfraction of waste liq by 26% liquid concentration to more than >=60%, be filtered and be automatically sent to finished product after removing impurity and pass on container for storing liquid; With finished product pass on automatic pump input finished pot, transfer pressure is 0.5MPa, and carrying out heating through finished pot and stop 30min makes temperature rise to 80 DEG C, and the waste liq in finished product mixing tank just generates a kind of transparent color colloidal mixture; By mixture, with being pumped into, vapo(u)rization system is concentrated makes production liquid, makes it slowly automatically send in the charging tray of pelleter, is sticked up the production liquid in charging tray, make production liquid cooled and solidified become solid by the interior rotary drum be cooled with circulating water; Condense the pure water separated, and hold-up vessel of restoring, carries out secondary circulation utilization;
Embodiment 3
Get the lubricating oil additive waste liq 130kg of water ratio 83%, polyacrylamide 0.5kg, anhydrous sodium sulphate 12kg, trichloroisocyanuric acid 0.3kg, poly-clear-fluessig 0.8kg, sodium polyacrylate 0.2kg, sodium-chlor 0.3kg mix, be input to liquid storage tank; After preheating, by automatic pump, mixing liquid is sent to evaporator evaporation indoor, then steam waste heat power input channel is opened, with the waste liq in the saturation steam indirect heating evaporator evaporation room of 0.6MPa, carburation by evaporation separation is carried out in waste liq pump input flasher after heating, its vaporization temperature should control to be 120 DEG C, makes it evaporation concentration; Adopt vaporizer recycle pump accelerate the circulation of waste liq in vaporizer and accelerate waste liquid evaporation speed, make the massfraction of waste liq by 25% liquid concentration to more than >=60%, be filtered and be automatically sent to finished product after removing impurity and pass on container for storing liquid; With finished product pass on automatic pump input finished pot, transfer pressure is 0.4MPa, and carrying out heating through finished pot and stop 30min makes temperature rise to 80 DEG C, and the waste liq in finished product mixing tank just generates a kind of transparent color colloidal mixture; By mixture, with being pumped into, vapo(u)rization system is concentrated makes production liquid, makes it slowly automatically send in the charging tray of pelleter, is sticked up the production liquid in charging tray, make production liquid cooled and solidified become solid by the interior rotary drum be cooled with circulating water; Condense the pure water separated, and hold-up vessel of restoring, carries out secondary circulation utilization.
Claims (7)
1. from waste liquid, reclaim a Separation of Water regeneration for sodium sulphite, it is characterized in that the pure water separated after it makes sodium sulphite by the raw material of following weight proportioning:
Lubricating oil additive waste liq 120 ~ 150 parts
Polyacrylamide (PAM) 0.3 ~ 0.6 part
Anhydrous sodium sulphate 10 ~ 15 parts
Trichloroisocyanuric acid 0.2 ~ 0.5 part
Poly-clear-fluessig 0.5 ~ 1.0 part
Sodium polyacrylate 0.1 ~ 0.3 part
0.2 ~ 0.5 part, sodium-chlor
Described lubricating oil additive waste liq, that factory is at production petroleum additive, detergent-dispersant additive, anti-oxidation and antisepsis agent, metal passivator, extreme pressure anti-wear additives, oiliness improver and friction improver, viscosity index improver, rust-preventive agent, pour point depressant, foam reducing composition, composite lubricating oil additive, hydraulic guide rail oil recombiner, slide rail oil recombiner, high-temperature chain oil recombiner, turbine oil recombiner, compressor oil recombiner, thermal oil recombiner, quenching oil recombiner, a large amount of waste liqs is produced in the process of transformer oil recombiner, generally all sulphur is contained in these waste liqs, phosphorus, chlorine, hydrogen sulfide, ammonia, volatile phenol organism and each heavy metal species and compound, primarily of S, P, Cl is elementary composition, not containing large particulate matter, it composition is the high a kind of semi-solid state waste of a kind of boundary water ratio between inorganics and organism, its water ratio is more than 80%,
Described a kind of Separation of Water regeneration of reclaiming sodium sulphite from waste liquid, it is characterized in that it utilizes the waste liq produced in the production process of manufacture lubricating oil additive to be raw material, in the process of remanufacture sodium sulphite, the treatment agent mixed is needed to be respectively: emulsion splitter, separating agent, dewatering agent, flocculation agent, finings, enriching agent;
Described a kind of process for extracting reclaiming the Separation of Water regeneration of sodium sulphite from waste liquid, is characterized in that it carries out in the steps below:
Get the lubricating oil additive waste liq of the water ratio 80 ~ 85% of 120 ~ 150 weight parts, the polyacrylamide of 0.3 ~ 0.6 weight part, the anhydrous sodium sulphate of 10 ~ 15 weight parts, the trichloroisocyanuric acid of 0.2 ~ 0.5 weight part, the poly-clear-fluessig of 0.5 ~ 1.0 weight part, the sodium polyacrylate of 0.1 ~ 0.3 weight part, the sodium-chlor of 0.2 ~ 0.5 weight part mixes, be input to liquid storage tank; After preheating, by automatic pump, mixing liquid is sent to evaporator evaporation indoor, then steam waste heat power input channel is opened, with the waste liq in the saturation steam indirect heating evaporator evaporation room of 0.6MPa, carburation by evaporation separation is carried out in waste liq input flasher after heating, its vaporization temperature should control to be 110 DEG C ~ 130 DEG C, makes it evaporation concentration; Adopt vaporizer recycle pump accelerate the circulation of waste liq in vaporizer and accelerate waste liquid evaporation speed, make the massfraction of waste liq by 23% ~ 26% liquid concentration to more than >=60%, be filtered and be automatically sent to finished product after removing impurity and pass on container for storing liquid; With finished product pass on automatic pump input finished pot, transfer pressure is 0.3 ~ 0.5MPa, and carrying out heating through finished pot and stop 30min makes temperature rise to 80 DEG C, and the waste liq in finished product mixing tank just generates a kind of transparent color colloidal mixture; By mixture, with being pumped into, vapo(u)rization system is concentrated makes production liquid, then makes it slowly automatically send in the charging tray of pelleter, is sticked up the production liquid in charging tray, after making production liquid cooled and solidified become solid by the interior rotary drum be cooled with circulating water; Condense the pure water separated, and hold-up vessel of restoring, carries out secondary circulation utilization; Thus the resource recycling solved manufacturing the waste liq produced in the production process of lubricating oil additive utilizing, turning waste into wealth, changing evil for benefit, to reduce the pollution to physical environment, having saved water resources.
2. a kind of Separation of Water regeneration of reclaiming sodium sulphite from waste liquid according to claim 1, it is characterized in that it is flash process for what evaporate employing, its vaporization temperature should control to be 110 DEG C ~ 130 DEG C, the secondary steam that production liquid in evaporator evaporation room is produced when evaporation concentration to be condensed the pure water separated through secondary steam by the water of condensation of secondary steam condenser indirect condensing, to restore hold-up vessel, carry out secondary circulation utilization, mix with the requirement of sodium hydroxide according to proportion, be used further to industrial production raw material.
3. a kind of Separation of Water regeneration of reclaiming sodium sulphite from waste liquid according to claim 1, it is characterized in that it uses water circulating type vacuum pump gas water separation tank, for the vacuum unit processed of evaporator evaporation room, from the isolated a small amount of noncondensable gas of gas water separation tank or organic gas, qualified discharge after the washing of alkali dirt washer.
4. a kind of Separation of Water regeneration of reclaiming sodium sulphite from waste liquid according to claim 1, it is characterized in that it adopts secondary steam condensation, that the temperature after the secondary steam of circulating water condensing can raise, and typical temperature is 110 DEG C ~ 120 DEG C by the secondary steam condensation of recirculated water; Water coolant after temperature raises directly puts into wet cooling tower, transpiration cooling water cycle pond is flowed into after cooling, cooling temperature is 30 DEG C ~ 40 DEG C, then with cooling-water pump, water is sent into the secondary steam water that secondary steam condenser carries out circulating cooling vaporizer.
5. a kind of Separation of Water regeneration of reclaiming sodium sulphite from waste liquid according to claim 1, is characterized in that it is by the water coolant in pelleter rotary drum, from film-making refrigeration cycle pond, sends into water pump; Film-making cooling tower is directly sent in the water outlet of pelleter, automatically flows into the cooling water circulation pond of film-making and recycle after cooling.
6. a kind of Separation of Water regeneration of reclaiming sodium sulphite from waste liquid according to claim 1, it is characterized in that the steam condenses that evaporator heating chamber discharges by it, first through steam separator separate vapour and condensed water, then by the pressure of steam self, condensed water is sent to flasher, in step-down situation, make condensed water convert steam to and deliver to each insulation of equipment, the condensed water after cooling returns workshop tank, recycles as secondary system.
7. a kind of Separation of Water regeneration of reclaiming sodium sulphite from waste liquid according to claim 1, is characterized in that it arranges Clean-water pot, purge tank water pump, for vaporizer and other equipment provide the specific equipment of cleaning hot water; Trench, trench water collecting tank, for collecting the waste water of cleaning equipment and cleaning, occurring the stocking system of the waste liq that equipment breakdown is discharged; Its waste water collected, waste liquid are with being pumped into sodium hydroxide melting tank for dissolving sodium hydroxide as dissolving raw water.
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| CN107505955A (en) * | 2017-09-07 | 2017-12-22 | 成都安信德环保设备有限公司 | A kind of pH monitor controllers and method |
| CN107674748A (en) * | 2017-11-10 | 2018-02-09 | 河南道骐汽车科技有限公司 | A kind of OIL IN LUBRICATING OIL PRODUCTION extraction separator |
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Effective date of registration: 20210611 Address after: No.5, pingwan 1st Road, Gaolan Port Economic Zone, Zhuhai, Guangdong 519500 Patentee after: ZHUHAI YINGRUN ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Address before: 519050 No.5, pingwan 1st Road, Gaolan Port Economic Zone, Zhuhai City, Guangdong Province Patentee before: ZHUHAI YINGRUN ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Patentee before: Li Huanyu |