CN206886881U - A kind of bubble type distillation and survey line rectifying combine the device of processing ammonia nitrogen in high density organic wastewater - Google Patents
A kind of bubble type distillation and survey line rectifying combine the device of processing ammonia nitrogen in high density organic wastewater Download PDFInfo
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- CN206886881U CN206886881U CN201720460423.0U CN201720460423U CN206886881U CN 206886881 U CN206886881 U CN 206886881U CN 201720460423 U CN201720460423 U CN 201720460423U CN 206886881 U CN206886881 U CN 206886881U
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Abstract
The utility model discloses the device that a kind of distillation of bubble type and survey line rectifying combine processing ammonia nitrogen in high density organic wastewater, including mixing kettle, surge tank, bubbling destilling tower, neutralization kettle, survey line rectifying column, crystallizing evaporator and filter, a compact entirety is turned into by the connection of pump and pipeline.Its combination is：The tower middle and lower part of bubbling destilling tower is connected with air cushioning tank, and its charging aperture is connected with mixing kettle liquid outlet, and the outlet of its overhead vapours is connected with neutralizing kettle.Neutralize kettle discharging opening with side line rectifying column charging aperture to be connected, wherein the bottom of towe of bubbling destilling tower and side line rectifying column is connected from different evaporated crystallization devices respectively.A kind of bubble type distillation and survey line rectifying described in the utility model combine the complexes of processing ammonia nitrogen in high density organic wastewater, for the waste water containing the relatively low organic matter composition of the high ammonium salt of high concentration and boiling point, and ammonium nitrogen and organic matter can be recycled, so as to ensure that the recycling of resource, the efficiency of whole process is improved.
Description
Technical field
The present invention relates to a kind of distillation of bubble type and survey line rectifying combine processing ammonia nitrogen in high density organic wastewater into suit
Put, and in particular to one kind is combined using bubble type distillation with rectifying handles sodium and ammonium acetate salt, free ammonia, first alcohol and water mix it is molten
The processing of liquid and separating complete device, belong to energy-saving and emission-reduction field.
Background technology
With developing rapidly for industry, the wastewater discharge of ammonium salt-containing is increasing, causes the ammonia and nitrogen pollution of water body increasingly
Seriously.A large amount of ammonia nitrogen waste waters are discharged into water body, cause body eutrophication, high risks are caused to natural environment, are finally threatened
Human life and health, also bring huge economic loss.Therefore, the processing of ammonium nitrogen wastewater is important of Contemporary Environmental worker
One of business.For nitrogen containing ammonium and the organic wastewater of methanol, generally use biochemical process is handled to be discharged again, right for the country at present
Certain treatment effect can be played in the organic wastewater of some low concentration nitrogen containing ammonium, but if this gives birth to when ammonia nitrogen salinity is higher
Change method is just less practical, while chemical method is not reaching to the purpose of recovery salt and methanol, easily causes secondary pollution.
Such as take above-mentioned mixed liquor effective processing and separation method, can not only obtain the high sodium acetate of added value and
Methanol, while reach the purpose of processing waste water, processing procedure cost is significantly reduced, obtains preferable economic benefit.Using routine
The above-mentioned salt-containing organic wastewater of way of distillation processing, forms saliferous organic solid castoff after processing, the waste water COD distilled out reaches
40000PPM, it is still necessary to carry out biochemical treatment, process expense, energy consumption are higher.
The content of the invention
Goal of the invention：The purpose of this utility model is to provide a kind of bubble type distillation and survey line rectifying combination processing is highly concentrated
The complexes of ammonia nitrogen organic wastewater are spent, compared with conventional apparatus, the present apparatus has that step is simple, by bubble type destilling tower
Ammonium salt, can be converted into sodium salt by processing, while can efficiently remove methanol and free ammonia all in waste liquid, finally give
Sodium acetate aqueous solution, sodium acetate aqueous solution obtain fine chemicals sodium acetate through evaporation process；Bubble type overhead comes out
Containing methanolic ammonia solution by neutralisation treatment after, then by survey line rectifying column, high-purity methanol that tower top obtains follows as solvent
Ring uses, and the ammonium sulfate that bottom of towe obtains can be used for agricultural production as chemical fertilizer, and the water COD that survey line comes out is less than 1000PPM, can
Into industrial wastewater treatment system；Whole process is simply efficient, is comprehensively utilized resource.
Technical scheme：
A kind of device of bubble type distillation and survey line rectifying combination processing ammonia nitrogen in high density organic wastewater, including mixing kettle,
Bubbling destilling tower, neutralize kettle and survey line rectifying column；
The mixing kettle is connected with heat exchanger one, the import of the heat exchanger one respectively with the outlet of the mixing kettle and
The steam (vapor) outlet connection of the bubbling overhead；The heat exchanger one outlet respectively with the bubbling destilling tower
Charging aperture and the import connection for neutralizing kettle；
The bubbling destilling tower lower inlet is connected with surge tank, and the surge tank is by air blower with being air connected；Institute
The discharging opening for stating neutralization kettle is connected with the charging aperture of the survey line rectifying column；The survey line rectifying column tower top is carried out by heat exchanger
Condensing reflux；Discharging opening at the bubbling destilling tower bottom of towe and the survey line rectifying tower bottom is respectively connected with evaporative crystallization dress
Put, the evaporated crystallization device is connected with filter.
Feed pump one is connected between the mixing kettle and the heat exchanger one；In described and kettle and the survey line essence
Evaporate and be connected with feed pump two between tower.
Gas distributor, the outlet phase of the gas distributor and the surge tank are provided with the bubbling destilling tower bottom
Even.
The filter is connected by circulating pump with the heat exchanger, and the circulating pump is by the residue after evaporative crystallization
Mother liquor is pumped into tower and reprocessed.
The charging aperture of the survey line rectifying column is arranged on tower bottom and is higher than in the bottom of tower, the discharging of the survey line rectifying column
The position of charging aperture.
Mixed test proves that device of the present utility model can be handled containing sodium and ammonium acetate salt-free ammonia-methanol-water
Close waste liquid, have the advantage that for：
(1) compared with handling the waste liquid using biochemical process, this method finally gives sodium acetate, ammonium sulfate and high-purity first
Alcohol, be comprehensively utilized discarded object, not only protect environment, and also a saving raw material, have certain social benefit and
Economic benefit；
(2) using bubbling overhead steam containing ammonia, first alcohol and water steam to enter bubbling evaporator waste water
Preheated, the step both condensed to steam, while waste liquid is had certain temperature before tower is entered again, so that hot
It can be fully utilized；
(3) evaporated crystallization device can produce the higher steam of calorific value, and heat is female to crystallization caused by evaporated crystallization device
Liquid is preheated, and the step condenses to steam, while crystalline mother solution is had certain temperature before tower is entered again, from
And heat energy is set to be fully utilized；
(4) device is equally applicable to containing high-concentration ammonium salt and other processing compared with low-boiling-point organic compound waste water.
Brief description of the drawings
Fig. 1 is a kind of distillation of bubble type of the utility model and survey line rectifying combine processing ammonia nitrogen in high density organic wastewater into
The installation drawing of covering device；
Description of reference numerals is as follows：
1. mixing kettle；2. air blower；3. feed pump one；4. surge tank；5. bubbling destilling tower；6. gas distributor；7. steam
Send out crystallization apparatus one；8. filter one；9. heat exchanger one；10. heat exchanger two；11. circulating pump one；In 12. and kettle；13. enter
Expect pump two；14. heat exchanger three；15. circulating pump two；16. survey line rectifying column；17. evaporated crystallization device two；18. filter two.
Embodiment
The utility model is further described below in conjunction with the accompanying drawings.
Refer to shown in Fig. 1, a kind of bubble type distillation and survey line rectifying of the present utility model combine processing ammonia nitrogen in high density
The device of organic wastewater, including mixing kettle 1, surge tank 4, bubbling destilling tower 5, evaporated crystallization device 1, filter 1, in
With kettle 12, survey line rectifying column 16, evaporated crystallization device 2 17 and filter 2 18, and connect these main devices some
Conveying and heat transmission equipment, including air blower 2, feed pump 1, heat exchanger 1, heat exchanger 2 10, circulating pump 1, feed pump two
13rd, heat exchanger 3 14, circulating pump 2 15.These equipment turn into a compact entirety by the connection of pump and pipeline.It is combined
Mode is：The outlet of mixing kettle 1 is connected with the import of heat exchanger 1, and feed pump one is connected between mixing kettle 1 and heat exchanger 1
3；The steam (vapor) outlet of the tower top of bubbling destilling tower 5 is connected with the import of heat exchanger 1；The tower middle and lower part of bubbling destilling tower 5 is gas point
Cloth device 6, gas distributor 6 are connected with the outlet of air cushioning tank 4, and the import of surge tank 4 passes through air blower 2 and air communication；
The charging aperture of bubbling destilling tower 5 is connected with the liquid outlet of heat exchanger 1, and outlet and the evaporative crystallization of the bottom of towe of bubbling destilling tower 5 fill
One 7 connections are put, evaporated crystallization device 1 is connected with filter 1.Filter 1 also passes through circulating pump 1 and heat exchange
Device 2 10 is connected, and the outlet of heat exchanger 2 10 is connected with the charging aperture of bubbling destilling tower 5.
Neutralize the discharging opening of kettle 12 by feed pump 13 with the charging aperture of survey line rectifying column 16 to be connected, neutralize the import of kettle 12 with changing
The outlet connection of hot device 1.The bottom of towe of survey line rectifying column 16 connects evaporated crystallization device 2 17, evaporated crystallization device 2 17 and filtering
Device 2 18 is connected, and filter 2 18 is also connected by circulating pump 2 15 with heat exchanger 3 14, the outlet of heat exchanger 3 10 and
The charging aperture connection of survey line rectifying column 16.The tower top of survey line rectifying column 16 carries out condensing reflux by heat exchanger, meanwhile, neutralize kettle 12
In liquid entered by feed pump 2 13 at tower bottom charging, bottom of towe liquid flows into evaporated crystallization device according to certain ratio
In 2 17, after liquid concentration to finite concentration, liquid is entered in filter 2 18, finally give ammonia sulfate crystal,
Mother liquor reenters side line rectifying column by circulating pump 2 15 and reprocessed.The feed entrance point of side line rectifying column in the bottom of tower, and
The position of lateral line discharging is equally in tower bottom, but be higher than feed entrance point；
Two circulating pumps one in the utility model are located at the pipeline between evaporated crystallization device 1 and bubbling destilling tower 5
On, on the pipeline between evaporated crystallization device 2 17 and survey line rectifying column 16, two circulating pumps can tie evaporation for another
Remaining mother liquor after crystalline substance is reprocessed into tower reactor；
Liquid flows through heat exchanger 9 by feed pump 3 in mixing kettle 1, is changed with the overhead vapours of bubbling destilling tower 5
Heat, liquid enters at the middle and lower part charging of bubbling destilling tower 5 after heat exchange, so that the overhead vapours of bubbling destilling tower 5 obtains
Condensation.
Air blower 2 is located at the inlet pipeline of air cushioning tank 4, and surge tank 4 is bypassed air through under its effect and enters bubbling
In destilling tower 5, so that large quantity of air is transported in bubbling destilling tower 5 by surge tank 4 carries out bubbling, enable ammonia and methanol
Removed faster from waste liquid, while play a part of stirring, surge tank 4 also functions to the effect of an anti-suck.
The overhead vapours of bubbling destilling tower 5 carries out heat exchange by liquid in heat exchanger 1 and mixing kettle 1 and eventually enters into neutralization kettle
In 12, and the liquid in mixing kettle 1 is entered by feed pump 3 at the charging of the bottom of bubbling destilling tower 5, and bottom of towe liquid enters evaporation
Crystallization apparatus 1, after liquid concentration to finite concentration, liquid is entered in filter 1, finally give sodium acetate crystalline substance
Body, mother liquor reenter bubbling destilling tower 5 by circulating pump 1 and reprocessed.The gas of a back-off is included in bubbling destilling tower 5
Body distributor 6, its position is in the bottom of tower, so that air is more uniformly passed through in tower reactor.
Processing ammonia nitrogen in high density organic waste is combined using a kind of bubble type distillation described in the utility model and survey line rectifying
The complexes technological principle of water is：
The first step：In mixing kettle 1 add alkali lye the ammonium salt in waste liquid is converted into ammonia nitrogen, due to the presence of alkali make ammonia from
Son is largely converted into free ammonia.
Second step：The high ammonia-nitrogen wastewater containing free ammonia after ammonium converts is sent into bubbling destilling tower 5 by feed pump 3
In, it is evaporated deamination and methanol；
3rd step：Kettle is neutralized by being sent into after the condensation of the steam containing ammonia, first alcohol and water obtained by second step, is absorbed with Waste Sulfuric Acid
Ammonia, and liquid in kettle will be neutralized and be delivered to the high-purity methanol of survey line rectifying column extraction, while obtain ammonia sulfate crystal.
Embodiment described above only expresses several embodiments of the present utility model, and it describes more specific and detailed
Carefully, but the limitation to the utility model patent scope therefore can not be interpreted as.It should be pointed out that for this area
For those of ordinary skill, do not departing from spirit and scope of the present utility model, it is new to this practicality in the form and details
Type makes a variety of changes, and these belong to the scope of protection of the utility model.Therefore, the protection domain of the utility model patent should
It is determined by the appended claims.
Claims (5)
1. a kind of bubble type distillation and survey line rectifying combine the device of processing ammonia nitrogen in high density organic wastewater, it is characterised in that：Bag
Include mixing kettle (1), bubbling destilling tower (5), neutralize kettle (12) and survey line rectifying column (16)；
The outlet of the mixing kettle (1) is connected with heat exchanger one (9), and the import of the heat exchanger one (9) mixes with described respectively
The outlet of kettle (1) connects with the steam (vapor) outlet of bubbling destilling tower (5) tower top；The outlet of the heat exchanger one (9) respectively with
The charging aperture of the bubbling destilling tower (5) and the import connection for neutralizing kettle (12)；
Bubbling destilling tower (5) lower inlet is connected with surge tank (4), and the surge tank (4) passes through air blower (2) and air
Connection；The discharging opening for neutralizing kettle (12) is connected with the charging aperture of the survey line rectifying column (16)；The survey line rectifying column
(16) tower top carries out condensing reflux by heat exchanger；In bubbling destilling tower (5) bottom of towe and the survey line rectifying column (16) tower
The discharging opening at bottom is respectively connected with evaporated crystallization device, and the evaporated crystallization device is connected with filter.
2. device according to claim 1, it is characterised in that：Between the mixing kettle (1) and the heat exchanger one (9)
It is connected with feed pump one (3)；In described feed pump two (13) is connected between kettle (12) and the survey line rectifying column (16).
3. device according to claim 1, it is characterised in that：It is distributed in bubbling destilling tower (5) bottom provided with gas
Device (6), the gas distributor (6) are connected with the outlet of the surge tank (4).
4. device according to claim 1, it is characterised in that：The filter passes through circulating pump and the heat exchanger
Remaining mother liquor after evaporative crystallization is pumped into tower and reprocessed by connection, the circulating pump.
5. device according to claim 1, it is characterised in that：The charging aperture of the survey line rectifying column (16) is under tower
Portion, the unloading position of the survey line rectifying column (16) are arranged on tower bottom and are higher than feed entrance point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720460423.0U CN206886881U (en) | 2017-04-28 | 2017-04-28 | A kind of bubble type distillation and survey line rectifying combine the device of processing ammonia nitrogen in high density organic wastewater |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720460423.0U CN206886881U (en) | 2017-04-28 | 2017-04-28 | A kind of bubble type distillation and survey line rectifying combine the device of processing ammonia nitrogen in high density organic wastewater |
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| Publication Number | Publication Date |
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| CN206886881U true CN206886881U (en) | 2018-01-16 |
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| CN201720460423.0U Active CN206886881U (en) | 2017-04-28 | 2017-04-28 | A kind of bubble type distillation and survey line rectifying combine the device of processing ammonia nitrogen in high density organic wastewater |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108997259A (en) * | 2018-08-31 | 2018-12-14 | 山东亚邦化工科技有限公司 | The technique and device decolourized for synthetic sweetener acesulfame potassium or mother liquor of sucralose |
-
2017
- 2017-04-28 CN CN201720460423.0U patent/CN206886881U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108997259A (en) * | 2018-08-31 | 2018-12-14 | 山东亚邦化工科技有限公司 | The technique and device decolourized for synthetic sweetener acesulfame potassium or mother liquor of sucralose |
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