CN202594811U - H-acid production wastewater treatment device - Google Patents

H-acid production wastewater treatment device Download PDF

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Publication number
CN202594811U
CN202594811U CN2012202868937U CN201220286893U CN202594811U CN 202594811 U CN202594811 U CN 202594811U CN 2012202868937 U CN2012202868937 U CN 2012202868937U CN 201220286893 U CN201220286893 U CN 201220286893U CN 202594811 U CN202594811 U CN 202594811U
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China
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feed liquid
waste water
acid producing
water treatment
liquid
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CN2012202868937U
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Chinese (zh)
Inventor
孟庆升
孟祥玉
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SHANDONG YUYUAN GROUP CO Ltd
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SHANDONG YUYUAN GROUP CO Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/30Wastewater or sewage treatment systems using renewable energies
    • Y02W10/37Wastewater or sewage treatment systems using renewable energies using solar energy

Abstract

An H-acid production wastewater treatment device comprises a neutralizing boiler, an overhead tank, an evaporation boiler, a crystallization tank and a centrifugal machine, wherein a transferring pump which is used for feeding a bulk processing feed liquid into the overhead tank is arranged between the neutralizing boiler and the overhead tank. The device is unique, differences in boiling points of organic matters and water in wastewater are used, moisture is evaporated by a distillation method, organic matters and inorganic salts are separated out of the wastewater, sticky colloidal organic matters and solid inorganic salts are separated out of the wastewater by a centrifugal method, combustion treatment or further separation treatment is conducted on organic matters, solid inorganic salts can serve as fertilizers directly due to the fact that solid inorganic salts contain a large amount of ammonia sulfate, and waste materials are recycled, so that the long-term technical problem that H-acid effluent is difficult to treat is solved.

Description

H-acid producing waste water treatment facility
Technical field
The utility model relates to H-acid producing waste water treatment facility.
Background technology
H-acid has another name called 1-amino-8-naphthol-3, the 6-disulfonic acid, and clear crystal is a kind of important dyestuff intermediate, is mainly used in to produce acidity, reactive dyestuffs and azoic dyestuff, also can be used for pharmaceutical industry.Be slightly soluble in cold water and be soluble in hot water, be dissolved in the basic solns such as soda ash and caustic soda.In the acid out operation, add sulfuric acid (or hydrochloric acid) and separate out the single sodium salt of H-acid, the waste liquid after the filtration belongs to the organic waste water of typical high density, high chroma, high bio-toxicity.
Mainly containing organic pollutants in the waste liquid is naphthalene and naphthalene derivatives, and main inorganics is sodium sulfate and ammonium salt, and comparing other, to contain naphthalene be organic waste water, has its singularity:
(1) pollutant component is complicated, and concentration is high, and the H acid mother liquor of discharging in process of production contains a large amount of Cai's various substitutive derivatives, and COD is up to several ten thousand mg/L, and complicated component contains a large amount of naphthalene derivativess;
(2) acid strong, pH is greatly between 1~2;
(3) colourity is dark, and about 1 * 10 5About, generally be pale brown to chocolate;
(4) toxicity is big, and H acid belongs to condensed-nuclei aromatics, has the intensive bio-toxicity, and waste water is if not treated direct discharging with serious environment pollution, also has very big harm to human body;
(5) readily biodegradable not, because the delocalized conjugated that naphthalene nucleus is made up of 10 carbon atoms, the structure quite stable is difficult to degrade.The BOD of most of waste water in this type waste water 5/ COD is extremely low, and biodegradability is poor, and toxic to mikrobe, is difficult to handle with general biochemical method.
Method about this type of production wastewater treatment; Mainly contained wet type (catalysis) oxidation style, photocatalytic oxidation, extraction process (comprising liquid film extraction method, complexing abstraction) etc. at present, these methods exist complex equipments, special substance difficult quality guarantee, medicament costliness, operational condition harsh (like high temperature, high pressure etc.) respectively, energy consumption is high and secondary pollution problems is arranged.
Singularity and difficulty to the processing of H-acid producing waste water; Those skilled in the art have also carried out a series of exploration; For example: one Chinese patent application numbers 200710057544.1; Provide the mode of " utilizing ion exchange resin absorption " in the patent name " a kind of treatment process of H-acid producing waste water "; China's application number is 200710057626.6, and what provide in the patent name " 1-amino-8-naphthol-3, the improvement and the recoverying and utilizing method thereof of 6-disulfonic acid factory effluent " is the mode of " utilizing ion exchange resin absorption " equally; One Chinese patent application numbers 200510037697.0, patent name is " purification of H acid producing waste water and the method for resource recycling ", provides the mode of " utilization is filled with the macroporous resin absorption tower and adsorbs "; More than utilize the mode of resin absorption to operate more complicated, difficult control node.One Chinese patent application numbers 200710051622.7, patent name " adds sodium-chlor method H Acid from Wastewater ", provides the mode of " add sodium-chlor to a certain degree, heating makes the hydrochloric acid volatilization, and it is sour with T to extract H acid "; Heating makes hydrochloric acid from the liquid that contains sodium salt, evaporate the higher temperature of needs under this method, also can't widespread use in industrial production.One Chinese patent application numbers 200910234684.0; Patent name " a kind of sunshine/electricity-Fenton chemical treatment method of dyestuff intermediate H acid waste water "; Provide the mode of " utilizing solar electrical energy generation; then to the waste liquid electrolysis ", this mode needs special solar power plant, and cost is than higher.
To sum up can know; Those skilled in the art rest on the stage how general's organism wherein decomposes or adsorbs to the processing thinking of H-acid waste liquid always; Realize organism is decomposed then and must under the situation of high temperature, high pressure, catalyzer even energising, carry out; Realize that absorption then must be equipped with large-scale exchange resin adsorption tower, and the resin in the tower to be changed the cycle.Therefore, the H-acid waste liquid is treated as the long-standing technical barrier in this area.
The utility model content
The utility model technical problem to be solved provides H-acid producing waste water treatment facility; It provides a kind of new approaches of the H-of processing acid producing waste water; The treating processes advantages of simple, and can improve the efficient and the quality of wastewater treatment, thus eliminate defective in the above-mentioned background technology.
For solving the problems of the technologies described above, the technical scheme of the utility model is:
The utility model provides H-acid producing waste water treatment facility; Comprise in order being used for of connecting in waste liquid, add ammoniacal liquor with the neutralization pot, the header tank that is used for temporarily stored bulk processing feed liquid that obtain the bulk processing feed liquid, the distillation bulk processing feed liquid that is used to heat up with the evaporating pan that obtains the supersaturation feed liquid, be used for the said supersaturation feed liquid of crystallization with crystallizer tank that obtains mixed liquor and the whizzer that is used for the spinning mixed liquor, be provided with the transfering material pump that is used for the bulk processing feed liquid is squeezed into said header tank between said neutralization pot and the header tank.
As a kind of improvement, said neutralization pot is provided with whipping appts and ammonia flow rate valve.
As a kind of further improvement, said whipping appts comprises stirring rake and variable-frequency motor, and said variable-frequency motor power connects said stirring rake.
As a kind of improvement, said evaporating pan is provided with the decompression blower fan.
As a kind of further improvement, the inside and outside heating steam coil pipe that is provided with of the kettle of said evaporating pan.
As a kind of further improvement, said evaporating pan is provided with the visor that is used to observe the inner liquid level of kettle.
In the utility model, the staple of the inorganic salt solid fertilizer that obtains after mixed liquor is centrifugal is an ammonium sulfate, also contains a spot of sodium sulfate in addition; And the organism centrifugate that obtains is the heavy-gravity gelatinoid, wherein mainly contains organism.Directly put in storage after the discharging of inorganic salt solid fertilizer, organism centrifugate then can be squeezed into header tank and carry out circulating and evaporating, simultaneously also can be with its burn processing or further separating treatment.
Owing to adopted technique scheme, the beneficial effect of the utility model is:
The H-acid producing waste water treatment facility that the utility model provides; Abandoned the conventional thought that the organism in the waste water is decomposed or adsorbs; Need severe condition such as high pressure, high temperature, catalyzer when organism decomposes thereby also just changed, need large-scale resin absorption tower and constantly change resin and the high defective of cost of investment during organism absorption.The utility model is off the beaten track; Utilize the interior organism of waste water different cleverly, adopt the distillatory mode that moisture evaporation is gone out, wherein organism and inorganic salts are separated with water boiling point; And adopt the centrifugal mode that the gluey organism of heavy-gravity is separated with the solid inorganic salt; Organism carries out burn processing or further separating treatment, and the solid inorganic salt can directly be used as fertilizer because wherein contain a large amount of ammonium sulfate; Turn waste into wealth, be difficult to handle this secular technical barrier thereby solved the H-acid waste liquid.
The device structure that the utility model provides is simple, can accomplish the processing to the H-acid producing waste water, is different from traditional equipment that organism is decomposed or adsorbs fully.
In the utility model, the neutralization pot is provided with whipping appts and ammonia flow rate valve, and said whipping appts comprises stirring rake and variable-frequency motor; Said variable-frequency motor power connects said stirring rake; Based on said structure, variable-frequency motor can effectively be controlled the stirring velocity of stirring rake, thereby obtains the required best stir speed (S.S.) of technology; And the ammonia flow rate valve can be controlled the adding speed of ammoniacal liquor, and is convenient reliable.
In the utility model, evaporating pan is provided with the decompression blower fan, and the inside and outside heating steam coil pipe that is provided with of the kettle of said evaporating pan, said evaporating pan are provided with the visor that is used to observe the inner liquid level of kettle.Based on said structure, evaporating pan can be realized underpressure distillation, and simultaneously, inside and outside heating steam coil pipe can effectively be accelerated the distillation rate of the inner feed liquid of evaporating pan kettle, and the inner liquid level of the convenient observation of visor kettle is realized continuous still battery with the control evaporating pan.
Description of drawings
Accompanying drawing is the equipment flowsheet synoptic diagram of the utility model;
Among the figure: 1. in and pot, 2. header tank, 3. evaporating pan, 4. crystallizer tank, 5. whizzer, 6. transfering material pump, 7. hold-up vessel; 11. stirring rake, 12. ammonia flow rate valves, 13. variable-frequency motors, 31. kettlies, 32. decompression blower fans, 33. heating steam coil pipes, 34. visors.
Embodiment
For technique means, creation characteristic that the utility model is realized, reach purpose and be easy to understand understanding with effect, below in conjunction with specific embodiment, further set forth the utility model.
Shown in accompanying drawing; H-acid producing waste water treatment facility comprises the neutralization pot 1, header tank 2, evaporating pan 3, crystallizer tank 4 and the whizzer 5 that connect in order, between said neutralization pot 1 and the header tank 2 transfering material pump 6 is set; Said neutralization pot 1 is provided with stirring rake 11 and ammonia flow rate valve 12; Stirring rake 11 power are connected with variable-frequency motor 13, and variable-frequency motor 13 can effectively be controlled the stirring velocity of stirring rake 11, thereby obtain the required best stir speed (S.S.) of technology; And ammonia flow rate valve 12 can be controlled the adding speed of ammoniacal liquor, and is convenient reliable; Said evaporating pan 3 comprises kettle 31, and kettle 31 is provided with decompression blower fan 32, the kettle 31 inside and outside heating steam coil pipes 33 that are provided with; Simultaneously, also be provided with the visor 34 that is used to observe kettle 31 inner liquid levels, the centrifugate outlet of whizzer 5 is provided with the pipeline that connects header tank 2; Decompression blower fan 32 can be extracted kettle 31 steam inside out and make it to form negative pressure; Thereby evaporating pan 3 can realize underpressure distillation, and simultaneously, inside and outside heating steam coil pipe 33 can effectively be accelerated the distillation rate of evaporating pan kettle 31 inner feed liquids; And the liquid level of visor 34 convenient observation kettlies 31 inside is realized continuous still batterys with control evaporating pan 3.
The H-acid producing waste water at first gets into neutralization pot 1 from hold-up vessel 7 when handling, in neutralization pot 1, add ammoniacal liquor while stirring and neutralize, and utilizes transfering material pump 6 to squeeze into header tank 2 then and temporarily stores; Feed liquid gets into evaporating pans 3 from header tank 2 and carries out continuous underpressure distillation, treats to transfer to crystallizer tank 4 intercrystallines after feed liquid reaches the solid-to-liquid ratio of regulation, utilizes whizzer 5 to carry out centrifugal treating the feed liquid after the crystallization at last.
Embodiment 1
H-acid producing waste water treatment process comprises the steps:
S1. the H-acid waste liquid is squeezed in the neutralization pot 1; Start and stir, the rotating speed of stirring rake 11 is controlled at 23 commentaries on classics/min, at the uniform velocity adds ammoniacal liquor; During adding ammoniacal liquor, constantly utilize pH detection paper feed liquid; Excessive to prevent that ammoniacal liquor from adding, finally obtain the pH value and be 4 bulk processing feed liquid, it is for use to utilize transfering material pump 6 to squeeze into header tank 2 the bulk processing feed liquid;
S2. the bulk processing feed liquid that step S1 is obtained joins the evaporating pan 3 from header tank 2, and the liquid levels in the control kettle 31 are higher than inner heating steam coil pipe 33 about 15cm, opens the inside and outside heating steam coil pipe 33 of kettle 31 simultaneously; When temperature rises to 90 ℃, open decompression blower fan 32, pressure is at 80 kPas in the control kettle 31; Continue to be warming up to the feed liquid boiling, observe liquid level, open header tank 2 reinforced valves simultaneously through visor 34; Control flow well; Keep the influx of bulk processing feed liquid in the unit time consistent, keep the liquid level of kettle 31 constant, realize continuous still battery through flow with steam output; In this process, need the random acquisition feed liquid, and feed liquid is filtered, the proportion of measure solid and liquid obtains solid-to-liquid ratio, and solid-to-liquid ratio reaches at 25%~35% o'clock, obtains the supersaturation feed liquid;
S3. the supersaturation feed liquid that step S2 is obtained is transferred in the crystallizer tank 4, and when stirring nature then and being cooled to 80 ℃, crystallization obtains mixed liquor;
S4. the mixed liquor that step S3 is obtained is placed on whizzer 5 to be separated, and the inorganic salt solid fertilizer staple that wherein obtains is an ammonium sulfate, also contains a spot of sodium sulfate in addition; And the organism centrifugate that obtains is the heavy-gravity gelatinoid, wherein mainly contains organism.
With the discharging of inorganic salt solid fertilizer, encapsulation is put in storage at last; Organism centrifugate is squeezed into header tank 2 and is carried out circulating and evaporating.
Embodiment 2
H-acid producing waste water treatment process comprises the steps:
S1. the H-acid waste liquid is squeezed in the neutralization pot 1; Start and stir, the rotating speed of stirring rake 11 is controlled at 20 commentaries on classics/min, at the uniform velocity adds ammoniacal liquor; During adding ammoniacal liquor, constantly utilize pH detection paper feed liquid; Excessive to prevent that ammoniacal liquor from adding, finally obtain the pH value and be 4 bulk processing feed liquid, it is for use to utilize transfering material pump 6 to squeeze into header tank 2 the bulk processing feed liquid;
S2. the bulk processing feed liquid that step S1 is obtained joins the evaporating pan 3 from header tank 2, and the liquid levels in the control kettle 31 are higher than inner heating steam coil pipe 33 about 15cm, opens the inside and outside heating steam coil pipe 33 of kettle 31 simultaneously; When temperature rises to 85 ℃, open decompression blower fan 32, pressure is at 75 kPas in the control kettle 31; Continue to be warming up to the feed liquid boiling, observe liquid level, open header tank 2 reinforced valves simultaneously through visor 34; Control flow well; Keep the influx of bulk processing feed liquid in the unit time consistent, keep the liquid level of kettle 31 constant, realize continuous still battery through flow with steam output; In this process, need the random acquisition feed liquid, and feed liquid is filtered, the proportion of measure solid and liquid obtains solid-to-liquid ratio, and solid-to-liquid ratio reaches at 25%~35% o'clock, obtains the supersaturation feed liquid;
S3. the supersaturation feed liquid that step S2 is obtained is transferred in the crystallizer tank 4, and when stirring nature then and being cooled to 80 ℃, crystallization obtains mixed liquor;
S4. the mixed liquor that step S3 is obtained is placed on whizzer 5 to be separated, and the inorganic salt solid fertilizer staple that wherein obtains is an ammonium sulfate, also contains a spot of sodium sulfate in addition; And the organism centrifugate that obtains is the heavy-gravity gelatinoid, wherein mainly contains organism.
With the discharging of inorganic salt solid fertilizer, encapsulation is put in storage at last; Organism centrifugate is carried out burn processing.
Embodiment 3
H-acid producing waste water treatment process comprises the steps:
S1. the H-acid waste liquid is squeezed in the neutralization pot 1; Start and stir, the rotating speed of stirring rake 11 is controlled at 25 commentaries on classics/min, at the uniform velocity adds ammoniacal liquor; During adding ammoniacal liquor, constantly utilize pH detection paper feed liquid; Excessive to prevent that ammoniacal liquor from adding, finally obtain the pH value and be 5 bulk processing feed liquid, it is for use to utilize transfering material pump 6 to squeeze into header tank 2 the bulk processing feed liquid;
S2. the bulk processing feed liquid that step S1 is obtained joins the evaporating pan 3 from header tank 2, and the liquid levels in the control kettle 31 are higher than inner heating steam coil pipe 33 about 15cm, opens the inside and outside heating steam coil pipe 33 of kettle 31 simultaneously; When temperature rises to 95 ℃, open decompression blower fan 32, pressure is at 95 kPas in the control kettle 31; Continue to be warming up to the feed liquid boiling, observe liquid level, open header tank 2 reinforced valves simultaneously through visor 34; Control flow well; Keep the influx of bulk processing feed liquid in the unit time consistent, keep the liquid level of kettle 31 constant, realize continuous still battery through flow with steam output; In this process, need the random acquisition feed liquid, and feed liquid is filtered, the proportion of measure solid and liquid obtains solid-to-liquid ratio, and solid-to-liquid ratio reaches at 25%~35% o'clock, obtains the supersaturation feed liquid;
S3. the supersaturation feed liquid that step S2 is obtained is transferred in the crystallizer tank 4, and when stirring nature then and being cooled to 80 ℃, crystallization obtains mixed liquor;
S4. the mixed liquor that step S3 is obtained is placed on whizzer 5 to be separated, and the inorganic salt solid fertilizer staple that wherein obtains is an ammonium sulfate, also contains a spot of sodium sulfate in addition; And the organism centrifugate that obtains is the heavy-gravity gelatinoid, wherein mainly contains organism.
With the discharging of inorganic salt solid fertilizer, encapsulation is put in storage at last; Organism centrifugate is carried out further separating treatment.
The utility model is not limited to above-mentioned embodiment, and all are based on the technical conceive of the utility model, and the structural improvement of having done all falls among the protection domain of the utility model.

Claims (6)

1.H-the acid producing waste water treatment facility is characterized in that: comprise
Be used in waste liquid, adding ammoniacal liquor to obtain the neutralization pot of bulk processing feed liquid;
The header tank that is used for the said bulk processing feed liquid of temporarily stored;
Be used to heat up the said bulk processing feed liquid of distillation to obtain the evaporating pan of supersaturation feed liquid;
Be used for the said supersaturation feed liquid of crystallization to obtain the crystallizer tank of mixed liquor;
Be used for the spinning mixed liquor to obtain the whizzer of inorganic salt solid waste and organism centrifugate;
Said neutralization pot, header tank, evaporating pan, crystallizer tank are connected with whizzer in order, and are provided with the transfering material pump that is used for said bulk processing feed liquid is squeezed into said header tank between neutralization pot and the header tank.
2. H-acid producing waste water treatment facility as claimed in claim 1 is characterized in that: said neutralization pot is provided with whipping appts and ammonia flow rate valve.
3. H-acid producing waste water treatment facility as claimed in claim 2, it is characterized in that: said whipping appts comprises stirring rake and variable-frequency motor, said variable-frequency motor power connects said stirring rake.
4. H-acid producing waste water treatment facility as claimed in claim 1, it is characterized in that: said evaporating pan is provided with the decompression blower fan.
5. H-acid producing waste water treatment facility as claimed in claim 1 is characterized in that: the inside and outside heating steam coil pipe that is provided with of the kettle of said evaporating pan.
6. H-acid producing waste water treatment facility as claimed in claim 1 is characterized in that: said evaporating pan is provided with the visor that is used to observe the inner liquid level of kettle.
CN2012202868937U 2012-06-18 2012-06-18 H-acid production wastewater treatment device Expired - Lifetime CN202594811U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102701505A (en) * 2012-06-18 2012-10-03 山东裕源集团有限公司 Equipment for treating H-acid production wastewater

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102701505A (en) * 2012-06-18 2012-10-03 山东裕源集团有限公司 Equipment for treating H-acid production wastewater

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Granted publication date: 20121212