CN202440402U - Treatment device for carrying out denitrification and defluorination on waste water by mixing hydrofluoric acid and nitric acid - Google Patents
Treatment device for carrying out denitrification and defluorination on waste water by mixing hydrofluoric acid and nitric acid Download PDFInfo
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- CN202440402U CN202440402U CN2012200543610U CN201220054361U CN202440402U CN 202440402 U CN202440402 U CN 202440402U CN 2012200543610 U CN2012200543610 U CN 2012200543610U CN 201220054361 U CN201220054361 U CN 201220054361U CN 202440402 U CN202440402 U CN 202440402U
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
Abstract
The utility model relates to a treatment device for carrying out denitrification and defluorination on waste water by mixing hydrofluoric acid and nitric acid. The treatment device comprises a neutral reaction box (1), a preheater (7), a single-effect evaporator (9), a single-effect separator (10), a double-effect evaporator (12), a double-effect separator (15), a three-effect evaporator (16) and a three-effect separator (19), and is characterized in that the upper part of the neutral reaction box (1) is provided with a neutralization agent dry powder metering box (3), an agitator (4) and a pH meter (5), and is connected with a lift pump (6) by a pipeline; an outlet of the lift pump (6) is connected with an inlet of the preheater (7) by a pipeline; the double-effect evaporator (12) is provided with an agitator (13), the separator (15), a circulating pump (14) and a crystal mush discharge pump (27); and the evaporator (16) is provided with an agitator (17), the three-effect separator (19) and a circulating pump (18). The treatment device has the advantages of being compact in structure as well as simple and convenient in operation and maintenance, and realizing zero emission of the waste water.
Description
Technical field
The utility model relates to a kind of wastewater treatment equipment; Especially a kind of neutralization reaction with waste water, triple effect crystallization and evaporation, stir anti-blocking, magma centrifugal separation technique and can remove fluorion and the total nitrogen in the waste water effectively and make the water of condensation of evaporation be back to wastewater treatment equipment, specifically a kind of hydrofluoric acid and the nitric acid composite waste denitrogenation defluorination treatment unit of production.
Background technology
At present;, photovoltaic solar cell produces the composite waste of a certain amount of hydrofluoric acid containing and nitric acid in producing; Wherein hydrofluoric acid concentration is 0.35%, and concentration of nitric acid is 1.5%, and principal pollutant are fluorion and total nitrogen in the waste water; In the Taihu Lake basin new project, require the total nitrogen in the trade effluent must realize zero release; Therefore the composite waste of hydrofluoric acid containing and nitric acid need carry out the denitrogenation defluorination and handles, and it is available still not to have relevant device at present, so to design a kind of hydrofluoric acid and nitric acid composite waste denitrogenation defluorination treatment unit that is directed against the requirement of total nitrogen zero release be the task of top priority.
Summary of the invention
The purpose of the utility model is the present situation that lacks corresponding high standard treatment unit to the nitrogenous effluent that produces in the present manufacture of solar cells; Design a kind of compact construction, the easy treatment unit of running maintenance; Neutralization reaction, triple effect crystallization and evaporation, anti-blocking, the magma spinning optimum combination of stirring with waste water; Make the pollutent of waste water realize zero release, be back to the hydrofluoric acid and the nitric acid composite waste denitrogenation defluorination treatment unit of production after the purification of waste water.
The technical scheme of the utility model is:
A kind of hydrofluoric acid and nitric acid composite waste denitrogenation defluorination treatment unit; It comprises that neutralization reaction case 1, preheater 7,1st effective evaporator 9, are imitated separator 10,2nd effect evaporator 12, two is imitated separator 15, triple-effect evaporator 16 and triple effect separator 19; During the top that it is characterized in that described neutralization reaction case 1 is equipped with medicament dry powder batch meter 3, stirrer 4 and PH meter 5; The middle and upper part, side is equipped with wastewater feed valve 2; Opposite side middle and lower part pipe laying links to each other with lift pump 6, and lift pump 6 outlets link to each other with preheater 7 imports through pipeline, and preheater 7 preheating thermals source are imitated separator 10 by 1st effective evaporator 9 and and provided; Described 1st effective evaporator 9 fluid inlets link to each other with the drain pipe that preheater 7 drain pipes and are imitated recycle pump 11; 1st effective evaporator 9 evaporation thermals source are provided by steam inlet valve 8; 1st effective evaporator 9 bottoms are provided with one and imitate recycle pump 11; The carbonated drink that 1st effective evaporator 9 heating back produces gets into one and imitates separator 10 and carry out carbonated drink separation, and the secondary steam after the separation gets in the 2nd effect evaporator 12 its heating, and one imitates separator 10 separating obtained liquid concentrators gets into one and imitate recycle pump 11 inlet pipes from the bottom; One imitates recycle pump 11 outlet liquid concentrator parts is back to 1st effective evaporator 9, and a part gets into 2nd effect evaporator 12; Described 2nd effect evaporator is provided with stirrer 13 in 12 bottoms; The bottom is connected with two and imitates recycle pump 14; The carbonated drink that 2nd effect evaporator 12 heating backs produce gets into two effect separators 15 and carries out carbonated drink separation; Two effect separators, 15 awl bucket bottoms are provided with the magma drain and are communicated with discharging pump 27, and the secondary steam after 15 separation of two effect separators gets in the triple-effect evaporator 16 and to it and heats, and two imitate separators 15 separating obtained liquid concentrators flows into two effect recycle pumps, 14 inlet pipes from its middle and upper part, side pipeline; Two imitate recycle pump 14 outlet liquid concentrator parts is back to 2nd effect evaporator 12, and a part gets into triple-effect evaporator 16; Described triple-effect evaporator is provided with stirrer 17 in 16 bottoms; The bottom is connected with triple effect recycle pump 18; The carbonated drink that triple-effect evaporator 16 heating backs produce gets into triple effect separator 19 and carries out carbonated drink separation; Triple effect separator 19 awl bucket bottoms are provided with the magma drain and are communicated with discharging pump 28, and triple effect separator 19 separating obtained liquid concentrators flow into triple effect recycle pump 18 inlet pipes from its middle and upper part, side pipeline, and triple effect recycle pump 18 outlet liquid concentrators reflux and get into triple-effect evaporator 16 heating; Described triple effect separator 19 isolated carbonated drinks get into condensing surface 22 coolings, and condensing surface 22 cooling waters are provided through lift pump 25 by cooling tower 26, and cooling tower 26 is got back in the cooling draining, and a small amount of residual air in condensing surface 22 tops is discharged through vacuum pump 23, degasifier 24.
The phlegma that described preheater 7,2nd effect evaporator 12, two are imitated separators 15, triple-effect evaporator 16, triple effect separator 19 and condensing surface 22 gets in the condensate collector 20 and by coupled transferpump 21 extracts reuses out.
Described two imitate separator discharging pump 27 is connected with whizzer 29 feed-pipes with the magma that triple effect separator discharging pump 28 is discharged; Whizzer 29 isolating crystal transport; Isolated a small amount of liquid concentrator gets into collection box 30, and the liquid concentrator import that is evacuated to triple effect separator 19 tops by the lift pumps 31 that link to each other with collection box 30 is carried out once more carbonated drink and separated.
The beneficial effect of the utility model:
1, the utility model adopts the dry powder metering to add the neutralization technology and can save equipment and investment, generates the mixed solution of Sodium Fluoride and SODIUMNITRATE after sodium hydroxide and the waste water neutralization reaction.
2, the utility model adopts the evaporation of triple effect crystallization formula according to the characteristics of wastewater property, boiling point and crystallization concentration; Make full use of thermal source; The phlegma waste heat heating of an effect evaporation element is adopted in the preheating of waste water, the secondary steam heating in two effects, all employing systems of the unitary heating of triple effect.
3, the vacuum system of the utility model adopts the vacuum pump form, makes system vacuum stable, and vacuum conditions is easy.
4, the utility model is according to the different boiling and the crystallization concentration of Sodium Fluoride and SODIUMNITRATE; When the 2nd effect evaporator evaporation concentration, will there be the low amount of fluorinated sodium crystal to separate out; Therefore imitate separator bottom configuration discharging pump two, prevent to cause subsequent evaporation device heating tubulation to stop up.
5, the utility model has been installed whipping appts for preventing crystal serious fouling and obstruction in vaporizer and pipeline respectively in 2nd effect evaporator, 2nd effect evaporator bottom.
6, a whole set of associated plant project organization is compact, operating safety, convenient for maintenance management.
7, a whole set of associated plant is simple to operate, can adopt automatic operation.
Description of drawings
Fig. 1 is the structural representation of the treatment unit of the utility model.
Among Fig. 1: 1 is the neutralization reaction case, and 2 is hydrofluoric acid and nitric acid composite waste water intaking valve, 3 be in medicament dry powder batch meter, 4 be stirrer, 5 are that PH counts, 6 is lift pump; 7 is preheater, and 8 is admission valve, and 9 is 1st effective evaporator, and 10 is an effect separator, and 11 is an effect recycle pump; 12 is 2nd effect evaporator, and 13 is stirrer, and 14 is two effect recycle pumps, and 15 is two effect separators, and 16 is triple-effect evaporator; 17 is stirrer, and 18 is the triple effect recycle pump, and 19 is the triple effect separator, and 20 is condensate collector, and 21 is transferpump; 22 is condensing surface, and 23 is vacuum pump, and 24 is degasifier, and 25 is the water coolant lift pump, and 26 is cooling tower; 27 is two effect separator magma discharging pumps, and 28 is triple effect separator magma discharging pump, and 29 is whizzer, and 30 is the liquid concentrator collection box, and 31 is the liquid concentrator lift pump.
AR representes steam conveying pipe among Fig. 1; GW representes to fluoridize and receives the magma transport pipe, and DW representes the waste water material conveying pipe, and CW representes SODIUMNITRATE magma transport pipe; DY representes the phlegma transport pipe; DP representes Sodium Fluoride and SODIUMNITRATE crystal transport pipe, and DX representes the water coolant transport pipe, and DN representes to mix the steam transport pipe.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is further described.
As shown in Figure 1.
A kind of hydrofluoric acid and nitric acid composite waste denitrogenation defluorination treatment unit, it comprises that neutralization reaction case 1, preheater 7,1st effective evaporator 9, are imitated separator 10,2nd effect evaporator 12, two is imitated separator 15, triple-effect evaporator 16 and triple effect separator 19, counts 5 with medicament dry powder batch meter 3, stirrer 4, PH during described neutralization reaction case 1 top is equipped with; Top, side is equipped with waste water inlet valve 2, and the bottom, another side is provided with drain pipe and links to each other with the import of lift pump 6, and lift pump 6 outlets link to each other with preheater 7 imports through pipeline; The phlegma waste heat that the thermal source of preheater 7 is imitated separator 10 by 1st effective evaporator 9 and links to each other through pipeline and provides, and the waste water after the neutralization flows into 1st effective evaporator 9 after preheater 7 preheatings, and the required steam of 1st effective evaporator 9 evaporations is provided by steam feed valve 8; The carbonated drink mixed solution of 1st effective evaporator 9 gets into an effect separator 10 and carries out carbonated drink separation; 1st effective evaporator 9 bottoms are provided with liquid concentrator recycle pump 11, and 1st effective evaporator 9 partially concd liquid and are imitated separator 10 isolating liquid concentrators and linked to each other with the inlet pipe of recycle pump 11, and the liquid concentrator of recycle pump 11 outlets is partly refluxed to 1st effective evaporator 9; Another part gets into 2nd effect evaporator 12 evaporations; One imitates separator 10 isolating secondary steams gets into 2nd effect evaporator 12 as thermal source, and the carbonated drink mixed solution of 2nd effect evaporator 12 gets into two effect separators 15 and carries out carbonated drink separation, for preventing to concentrate the obstruction and the fouling of the part magma that produces; Be provided with stirrer 13 in inside, 12 end of 2nd effect evaporator; 2nd effect evaporator 12 bottoms also are equipped with liquid concentrator recycle pump 14, and 2nd effect evaporator 12 partially concd liquid and two are imitated the isolated liquid concentrator in separator 15 middle and upper parts and linked to each other with the inlet pipe of recycle pump 14, and the liquid concentrator of recycle pump 14 outlets is partly refluxed to 2nd effect evaporator 12; Another part gets into triple-effect evaporator 16 evaporations; Two imitate separator 15 awl buckets magma partly links to each other with discharging pump 27, and magma is delivered to whizzer 29 by discharging pump 27 and carries out solid-liquid separation, and two imitate separators 15 isolating secondary steams gets into triple-effect evaporator 16 as thermal source; The carbonated drink mixed solution of triple-effect evaporator 16 gets into triple effect separator 19 and carries out carbonated drink separation; For preventing to concentrate the obstruction and the fouling of the part magma that produces, be provided with stirrer 17 in inside, 16 end of triple-effect evaporator, triple-effect evaporator 16 bottoms are connected with liquid concentrator recycle pump 18; Triple-effect evaporator 16 partially concd liquid link to each other with the inlet pipe of recycle pump 18 with the isolated liquid concentrator in triple effect separator 19 middle and upper parts; The liquid concentrator of recycle pump 18 outlets is back to triple-effect evaporator 16 evaporations, and the magma of triple effect separator 19 awl bucket parts links to each other with discharging pump 28, and magma is delivered to whizzer 29 by discharging pump 28 and carries out solid-liquid separation; Triple effect separator 19 isolated steam get into condensing surface 22 and carry out condensation process; Condensing surface 22 cooling waters are from cooling tower 26 and cooling water transferpump 25, and the water coolant that condensing surface 22 is discharged enters cooling tower through pipeline, and a small amount of residual air in condensing surface 22 tops is extracted out through vacuum pump 23 and after degasifier 24 is handled, discharged; The phlegma entering phlegma collection box 20 that preheater 7,2nd effect evaporator 12, two are imitated separator 15, triple-effect evaporator 16, triple effect separator 19, condensing surface 22 is used for producing through lift pump 21 conveyings, and the liquid concentrator inflow liquid concentrator collection box 30 that magma produces through whizzer 29 separation is delivered to through lift pump 31 and carries out the aqueous vapor separation in the triple effect separator 19 once more.
Metering dosing in the utility model use, neutralization reaction, triple effect crystallization and evaporation, stir anti-blocking, magma spinning and all can adopt automatic control.
Triple effect crystallization and evaporation treatment technology in the utility model is not only applicable to hydrofluoric acid and nitric acid composite waste denitrogenation defluorination, is applicable to the desalting treatment of other high-concentration waste waters yet.
The utility model does not relate to all identical with the prior art prior art that maybe can adopt of part to be realized.
Claims (3)
1. hydrofluoric acid and nitric acid composite waste denitrogenation defluorination treatment unit; It comprises that neutralization reaction case (1), preheater (7), 1st effective evaporator (9), are imitated separator (10), 2nd effect evaporator (12), two is imitated separator (15), triple-effect evaporator (16) and triple effect separator (19); During being equipped with, the top that it is characterized in that described neutralization reaction case (1) counts (5) with medicament dry powder batch meter (3), stirrer (4) and PH; The middle and upper part, side is equipped with wastewater feed valve (2); Opposite side middle and lower part pipe laying links to each other with lift pump (6); Lift pump (6) outlet links to each other with preheater (7) import through pipeline, and preheater (7) preheating thermal source is imitated separator (10) by 1st effective evaporator (9) and and provided; Described 1st effective evaporator (9) fluid inlet links to each other with the drain pipe that preheater (7) drain pipe and is imitated recycle pump (11); 1st effective evaporator (9) evaporation thermal source is provided by steam inlet valve (8); 1st effective evaporator (9) bottom is provided with one and imitates recycle pump (11); The carbonated drink that produces after 1st effective evaporator (9) heating gets into an effect separator (10) and carries out carbonated drink separation, and to its heating, one imitates the separating obtained liquid concentrator of separator (10) gets into effect recycle pump (a 11) inlet pipe from the bottom in the secondary steam entering 2nd effect evaporator (12) after the separation; One imitates recycle pump (a 11) outlet liquid concentrator part is back to 1st effective evaporator (9), and a part gets into 2nd effect evaporator (12); Described 2nd effect evaporator (12) is provided with stirrer (13) in the bottom; The bottom is connected with two and imitates recycle pump (14); The carbonated drink that 2nd effect evaporator (12) heating back produces gets into two effect separators (15) and carries out carbonated drink separation; Two effect separator (15) awl bucket bottoms are provided with the magma drain and are communicated with discharging pump (27), and the secondary steam after two effect separators (15) separation gets in the triple-effect evaporator (16) and to it and heats, and two imitate the separating obtained liquid concentrator of separators (15) flows into two effect recycle pump (14) inlet pipes from its middle and upper part, side pipeline; Two imitate recycle pump (a 14) outlet liquid concentrator part is back to 2nd effect evaporator (12), and a part gets into triple-effect evaporator (16); Described triple-effect evaporator (16) is provided with stirrer (17) in the bottom; The bottom is connected with triple effect recycle pump (18); The carbonated drink that triple-effect evaporator (16) heating back produces gets into triple effect separator (19) and carries out carbonated drink separation; Triple effect separator (19) awl bucket bottom is provided with the magma drain and is communicated with discharging pump (28); The separating obtained liquid concentrator of triple effect separator (19) flows into triple effect recycle pump (18) inlet pipe from its middle and upper part, side pipeline, and triple effect recycle pump (18) outlet liquid concentrator refluxes and gets into triple-effect evaporator (16) heating; The isolated carbonated drink of described triple effect separator (19) gets into condensing surface (22) cooling; Condensing surface (22) cooling water is provided through lift pump (25) by cooling tower (26); Cooling tower (26) is got back in the cooling draining, and a small amount of residual air in condensing surface (22) top is discharged through vacuum pump (23), degasifier (24).
2. hydrofluoric acid according to claim 1 and nitric acid composite waste denitrogenation defluorination treatment unit is characterized in that described preheater (7), 2nd effect evaporator (12), two imitate the phlegma of separators (15), triple-effect evaporator (16), triple effect separator (19) and condensing surface (22) and get in the condensate collector (20) and by coupled transferpump (21) extraction reuse.
3. hydrofluoric acid according to claim 1 and nitric acid composite waste denitrogenation defluorination treatment unit; It is characterized in that the magma that described two effect separator discharging pumps (27) and triple effect separator discharging pump (28) are discharged is connected with whizzer (29) feed-pipe; The isolating crystal of whizzer (29) transports; Isolated a small amount of liquid concentrator gets into collection box (30), and the liquid concentrator import that is evacuated to triple effect separator (19) top by the lift pump (31) that links to each other with collection box (30) is carried out once more carbonated drink and separated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200543610U CN202440402U (en) | 2012-02-20 | 2012-02-20 | Treatment device for carrying out denitrification and defluorination on waste water by mixing hydrofluoric acid and nitric acid |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200543610U CN202440402U (en) | 2012-02-20 | 2012-02-20 | Treatment device for carrying out denitrification and defluorination on waste water by mixing hydrofluoric acid and nitric acid |
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| CN202440402U true CN202440402U (en) | 2012-09-19 |
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| CN2012200543610U Expired - Fee Related CN202440402U (en) | 2012-02-20 | 2012-02-20 | Treatment device for carrying out denitrification and defluorination on waste water by mixing hydrofluoric acid and nitric acid |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015062393A1 (en) * | 2013-10-28 | 2015-05-07 | 南通醋酸纤维有限公司 | Solid-liquid separation process with multi-effect evaporation in combination with stirring evaporation |
| CN107200312A (en) * | 2017-06-28 | 2017-09-26 | 盛隆资源再生（无锡）有限公司 | A kind of method for preparing nitric acid, potassium fluoborate and potassium nitrate using the fluorine-containing nitric acid that gives up |
| CN108114494A (en) * | 2016-11-29 | 2018-06-05 | 宜兴龙驰药化设备有限公司 | A kind of three-effect evaporation and condensation device |
| CN108950591A (en) * | 2018-07-24 | 2018-12-07 | 东华工程科技股份有限公司 | A kind of device and preparation method of carbon dioxide and water electrolysis production sodium oxalate |
| CN109205901A (en) * | 2018-09-14 | 2019-01-15 | 河北云瑞化工设备有限公司 | The device and method of agricultural calcium nitrate is produced using dense nitration mixture waste water |
| CN110285685A (en) * | 2019-06-17 | 2019-09-27 | 苏州乔发环保科技股份有限公司 | A kind of evaporative condenser condensation method and its control device |
| CN110395837A (en) * | 2019-08-01 | 2019-11-01 | 广州市中绿环保有限公司 | A kind of acid-washing stainless steel waste mixed acid recycling and processing device and technique |
| CN110451726A (en) * | 2019-08-15 | 2019-11-15 | 苏州湛清环保科技有限公司 | Photovoltaic stainless steel waste water total nitrogen handles recycling set device |
| CN114436459A (en) * | 2020-10-30 | 2022-05-06 | 伊斯拓通用设备江苏有限公司 | Method for treating wastewater discharged by ammonium fluoride production process |
-
2012
- 2012-02-20 CN CN2012200543610U patent/CN202440402U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015062393A1 (en) * | 2013-10-28 | 2015-05-07 | 南通醋酸纤维有限公司 | Solid-liquid separation process with multi-effect evaporation in combination with stirring evaporation |
| CN108114494A (en) * | 2016-11-29 | 2018-06-05 | 宜兴龙驰药化设备有限公司 | A kind of three-effect evaporation and condensation device |
| CN107200312A (en) * | 2017-06-28 | 2017-09-26 | 盛隆资源再生（无锡）有限公司 | A kind of method for preparing nitric acid, potassium fluoborate and potassium nitrate using the fluorine-containing nitric acid that gives up |
| CN108950591A (en) * | 2018-07-24 | 2018-12-07 | 东华工程科技股份有限公司 | A kind of device and preparation method of carbon dioxide and water electrolysis production sodium oxalate |
| CN109205901A (en) * | 2018-09-14 | 2019-01-15 | 河北云瑞化工设备有限公司 | The device and method of agricultural calcium nitrate is produced using dense nitration mixture waste water |
| CN110285685A (en) * | 2019-06-17 | 2019-09-27 | 苏州乔发环保科技股份有限公司 | A kind of evaporative condenser condensation method and its control device |
| CN110395837A (en) * | 2019-08-01 | 2019-11-01 | 广州市中绿环保有限公司 | A kind of acid-washing stainless steel waste mixed acid recycling and processing device and technique |
| CN110451726A (en) * | 2019-08-15 | 2019-11-15 | 苏州湛清环保科技有限公司 | Photovoltaic stainless steel waste water total nitrogen handles recycling set device |
| CN114436459A (en) * | 2020-10-30 | 2022-05-06 | 伊斯拓通用设备江苏有限公司 | Method for treating wastewater discharged by ammonium fluoride production process |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120919 Termination date: 20190220 |
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| CF01 | Termination of patent right due to non-payment of annual fee |