CN107176640A - A kind of low-temperature negative-pressure deamination system and device based on fluid jet principle - Google Patents
A kind of low-temperature negative-pressure deamination system and device based on fluid jet principle Download PDFInfo
- Publication number
- CN107176640A CN107176640A CN201710220040.0A CN201710220040A CN107176640A CN 107176640 A CN107176640 A CN 107176640A CN 201710220040 A CN201710220040 A CN 201710220040A CN 107176640 A CN107176640 A CN 107176640A
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- Prior art keywords
- tower
- ammonia
- import
- tower body
- connection
- Prior art date
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- Pending
Links
- 239000012530 fluid Substances 0.000 title claims abstract description 35
- 230000009615 deamination Effects 0.000 title claims abstract description 30
- 238000006481 deamination reaction Methods 0.000 title claims abstract description 30
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 154
- 229910021529 ammonia Inorganic materials 0.000 claims abstract description 78
- 230000008676 import Effects 0.000 claims abstract description 44
- 238000011084 recovery Methods 0.000 claims abstract description 22
- 239000007788 liquid Substances 0.000 claims abstract description 19
- 238000007599 discharging Methods 0.000 claims abstract description 8
- 241000628997 Flos Species 0.000 claims abstract description 4
- 239000007789 gas Substances 0.000 claims description 41
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 24
- 239000002351 wastewater Substances 0.000 claims description 13
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims description 5
- 239000003002 pH adjusting agent Substances 0.000 claims description 4
- 238000010992 reflux Methods 0.000 claims description 4
- 238000009833 condensation Methods 0.000 claims 1
- 230000005494 condensation Effects 0.000 claims 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical group [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011953 bioanalysis Methods 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- -1 ferrous metals Chemical class 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/20—Treatment of water, waste water, or sewage by degassing, i.e. liberation of dissolved gases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
Abstract
A kind of low-temperature negative-pressure deamination system and device based on fluid jet principle, including pipe-line mixer, preheater, low temperature deammoniation tower, condenser, knockout drum, it is additionally provided with ammonia scrubber, ammonia scrubber includes housing, the gas feed of housing tip, circulation fluid import, jet exit, condenser-air is exported, gas separate pot gas vent connects ammonia scrubber gas feed, recovery ammonia tower includes tower body, import on tower body, the absorbing liquid charging aperture on tower body top, charging aperture in the middle part of tower body, floss hole at the top of tower body, the circulation fluid import of tower body bottom, discharging opening, discharging opening connects output pump, output pump connects product pipeline, ammonia scrubber jet exit connects recovery ammonia tower import, recovery ammonia tower absorbing liquid charging aperture connects absorbing liquid pipeline, recovery ammonia tower circulation fluid import washes ammonia pipeline by circulation and connects ammonia scrubber circulation fluid import, circulation, which is washed, to be provided with circulation on ammonia pipeline and washes ammonia pump and cooler.
Description
Technical field
The present invention relates to nitrogen-containing wastewater Treatment and recovery field, and in particular to a kind of based on the low of fluid jet principle
Warm negative pressure deamination system and device.
Background technology
All types of industries enterprise such as coking, chemical industry, Metallurgical Factory, ternary material, rare earth, zirconium, Ni Tandeng non-ferrous metals factory, can
Produce substantial amounts of high-concentration ammonia nitrogenous wastewater.Ammonia nitrogen in such waste water is main with the presence of ammonium ion form, is the one of environmental pollution
Major pollutant is planted, is also the composition for being most difficult to degrade and removing.Current ammonia nitrogen removal method is more, mainly there is Physical, change
Method and bioanalysis three major types.Wherein using ammonia still process method Physical be realize ammonia nitrogen waste water it is up to standard processing and reclaim it is effective
Approach；But there are high energy consumption issues, system energy consumption can further be reduced using the technology of negative pressure deamination, but because ammonia nitrogen is useless
Water variation water quality is big, and system operation vacuum cavitations are unstable.
The content of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of negative pressure, low energy consumption, stable based on fluid jet
The low-temperature negative-pressure deamination system and device of principle.
To realize the object of the invention, there is provided following technical scheme：A kind of low-temperature negative-pressure based on fluid jet principle takes off
Ammonia system device, including pipe-line mixer, preheater, low temperature deammoniation tower, condenser, knockout drum, nitrogen-containing wastewater water inlet
Connecting pipe of pipeline road blender import, pH adjusting agent feed pipe connecting pipe blender dosing mouth, pipe-line mixer outlet connects
The import of preheater first is connect, low temperature deammoniation tower includes tower body, is arranged at the charging aperture on the nearly top of tower body, is arranged at tower body top
Gas vent, the steam inlet of setting and the nearly bottom of tower body, the deamination water out for being arranged at tower body bottom and it is arranged at tower body
The phegma import on nearly top, preheater first outlet connection low temperature deammoniation tower charging aperture, jet chimney connection low temperature deammoniation tower
Steam inlet, low temperature deammoniation tower deamination water out connects the import of preheater second, preheater second outlet by deamination waterpipe
Tower reactor is provided with connection deamination water discharge of wastewater pipeline, deamination waterpipe and goes out water pump, condenser includes gas feed, condensate liquid
Outlet, gas vent, the connection condenser-air import of low temperature deammoniation tower gas vent, condenser condensate outlet connection gas point
From tank import, gas separate pot outlet connection phegma circulating line, phegma circulating line connection low temperature deammoniation tower phegma
Reflux pump is provided with import, phegma circulating line, it is characterised in that be additionally provided with ammonia scrubber, ammonia scrubber includes shell
Body, the gas feed of housing tip, circulation fluid import, jet exit, condenser-air outlet, gas separate pot gas vent connect
Ammonia scrubber gas feed is connect, recovery ammonia tower includes tower body, the import on tower body, absorbing liquid charging aperture, the tower on tower body top
The circulation fluid outlet of the floss hole at the top of charging aperture, tower body, tower body bottom in the middle part of body, discharging opening, discharging opening connection output
Pump, output pump connection product pipeline, the connection recovery ammonia tower import of ammonia scrubber jet exit, recovery ammonia tower absorbing liquid charging aperture
Absorbing liquid pipeline is connected, the outlet of recovery ammonia tower circulation fluid washes ammonia pipeline by circulation and connects ammonia scrubber circulation fluid import, follows
Circulation, which is provided with, on washing-round ammonia pipeline washes ammonia pump and cooler.
Preferably, recovery ammonia tower charging aperture separately sets the outlet of pipeline connection gas separate pot.
Preferably, ammonia scrubber is fluid jet device.
Preferably, being provided with heat exchanger, phegma between condenser-air import and low temperature deammoniation tower gas vent
Circulating line reconnects low temperature deammoniation tower phegma import after being exchanged heat by heat exchanger.
Beneficial effect of the present invention：
(1) negative pressure is provided for front end deamination system as ammonia scrubber using fluid jet device, controls negative pressure deammoniation tower tower
Pressure on top surface scope -60kPa arrives -90kPa, and tower bottom pressure scope -40kPa arrives -70kPa；40-70 DEG C of tower top temperature scope, bottom of towe
50-80 DEG C of temperature range；So as to save steam consumption, ammonia removal efficiency is improved；The system steam consumption is in waste water 60- per ton
90kg；Ammonia removal efficiency reaches 99.98%；
(2) phegma is exchanged heat with tower top ammonia-containing gas by heat exchanger, improve phegma temperature, save negative pressure and take off
Ammonia tower steam consumption, while influence of the variation water quality to tower top ammonia density is reduced, so that it is guaranteed that negative pressure pressure limit is stable；
(3) condenser is set before ammonia scrubber, absorbing liquid temperature is reduced, strengthens ammonia assimilation effect, reduction ammonia concentration fluctuation
Influence to system negative pressure.
Brief description of the drawings
Fig. 1 is system schematic of the invention.
Embodiment
Embodiment 1：A kind of low-temperature negative-pressure deamination system and device based on fluid jet principle, including it is pipe-line mixer 1, pre-
Hot device 2, low temperature deammoniation tower 3, condenser 4, knockout drum 5, the connecting pipe blender import of nitrogen-containing wastewater inlet channel 6
1.1, the connecting pipe blender dosing mouth 1.2 of pH adjusting agent feed pipe 7, pipe-line mixer outlet 1.3 connects preheater first
Import 2.1, low temperature deammoniation tower 3 includes tower body 3.1, is arranged at the charging aperture 3.6 on the nearly top of tower body 3.1, is arranged at tower body 3.1 and pushes up
The gas vent 3.2 at end, set to go out with the steam inlet 3.3 of the nearly bottom of tower body 3.1, the deamination water for being arranged at the bottom of tower body 3.1
Mouth 3.4 and the phegma import 3.5 for being arranged at the nearly top of tower body 3.1, the connection low temperature deammoniation tower of preheater first outlet 2.2 enter
Material mouth 3.2, the connection low temperature deammoniation tower of jet chimney 8 steam inlet 3.3, low temperature deammoniation tower deamination water out 3.4 passes through deamination water
Second import of the connection preheater of pipeline 9 2.3, the connection deamination water discharge of wastewater of preheater second outlet 2.4 pipeline 10, deamination water pipe
Tower reactor is provided with road 9 and goes out water pump 11, condenser 4 includes gas feed 4.1, condensate outlet 4.2, gas vent 4.3, low temperature
The gas vent 3.2 of deammoniation tower 3 connection condenser-air import 4.1, the connection gas separate pot import of condenser condensate outlet 4.2
5.1, gas separate pot outlet 5.2 connects phegma circulating line 12, and the connection low temperature of phegma circulating line 12 deammoniation tower 3 flows back
Reflux pump 13 is provided with liquid import 3.5, phegma circulating line 12, fluid jet device 14 is additionally provided with, fluid jet device 14 is wrapped
Include housing 14.1, the gas feed 14.2 on the top of housing 14.1, circulation fluid import 14.3, jet exit 14.4, condenser-air
Outlet 4.3, the gas feed 14.2 of 5.3 connecting fluid ejector of gas separate pot gas vent 14, recovery ammonia tower 15 include tower body,
At the top of charging aperture 15.3, tower body in the middle part of the absorbing liquid charging aperture 15.2 of import 15.1, tower body top on tower body, tower body
Floss hole 15.4, the circulation fluid outlet 15.5 of tower body bottom, discharging opening 15.6, the connection output of discharging opening 15.6 pump 16, output pump
16 connection product pipelines 17, the jet exit 14.4 of fluid jet device 14 connection recovery ammonia tower import 15.1, recovery ammonia tower absorbing liquid
The connection absorbing liquid of charging aperture 15.2 pipeline 18, recovery ammonia tower circulation fluid outlet 15.5 is washed the connecting fluid of ammonia pipeline 19 by circulation and penetrated
Flow device circulation fluid import 14.3, circulation, which is washed, to be provided with circulation and wash ammonia pump 20 and cooler 21 on ammonia pipeline 19.Recovery ammonia tower is fed
Mouth 15.3 separately sets pipelines connection gas separate pots outlet 5.2.
Embodiment 2：With reference to embodiment 1, other feature invariants, condenser-air import 4.1 goes out with low temperature deammoniation tower gas
Heat exchanger 22 is provided between mouth 3.2, phegma circulating line 12, which passes through after heat exchanger 22 exchanges heat, reconnects low temperature deamination
Tower phegma import 3.5.
It is alkalescence that nitrogen-containing wastewater adds pH adjusting agent regulation wastewater pH through pipe-line mixer, is gone out by preheater with tower reactor
Water enters negative pressure deammoniation tower after being exchanged heat, and counter current contacting is carried out with steam in tower, and steam is passed with ammonia-containing water in tower
Matter is conducted heat, and ammonia nitrogen is converted into ammonia removing during ammonia-containing water to bottom of towe, to deamination waste water is produced during bottom of towe, passes through tower reactor water outlet
Outside pump and preheater heel row out-of-bounds；Tower top is enriched with high concentration ammonia-containing gas, through over-heat-exchanger with entering cold after phegma heat exchange
Condenser, the ammoniacal liquor that condenser is condensed out is back to negative pressure deammoniation tower through reflux pump；Phegma and tower top are made by heat exchanger
Ammonia-containing gas are exchanged heat, and improve phegma temperature, save negative pressure deammoniation tower steam consumption, while reducing variation water quality to tower top
The influence of ammonia density, so that it is guaranteed that negative pressure pressure limit is stable；
Enter recovery ammonia tower from absorbing liquid out-of-bounds, wash ammonia pump through circulation and squeeze into ammonia scrubber and send back in tower, condenser
Ammonia scrubber is sucked up to the highly concentrated ammonia in knockout drum, so that the deamination system of leading portion maintains negative pressure, so that
It is low-temperature condition to ensure negative pressure deammoniation tower, saves steam consumption；
Circulation is washed and cooler is set between ammonia pump and ammonia scrubber, reduces the temperature of absorbing liquid, strengthens ammonia assimilation effect, reduction
Ammonia concentration fluctuates the influence to system negative pressure；
Recovery ammonia Ta Ta tops set absorbing liquid charging aperture, it is ensured that tail gas qualified discharge.
The absorbing liquid that the system is used can be different medium, be reclaimed according to the different high values for needing ammonia.
Claims (4)
1. a kind of low-temperature negative-pressure deamination system and device based on fluid jet principle, including pipe-line mixer, preheater, low temperature are de-
Ammonia tower, condenser, knockout drum, nitrogen-containing wastewater inlet channel connecting pipe blender import, pH adjusting agent feed pipe
Connecting pipe blender dosing mouth, the pipe-line mixer outlet connection import of preheater first, low temperature deammoniation tower includes tower body, set
Charging aperture, the gas vent for being arranged at tower body top, the steam inlet of setting and the nearly bottom of tower body, setting in the nearly top of tower body
In tower body bottom deamination water out and be arranged at the phegma import on the nearly top of tower body, preheater first outlet connection low temperature
Deammoniation tower charging aperture, jet chimney connection low temperature deammoniation tower steam inlet, low temperature deammoniation tower deamination water out passes through deamination water pipe
Road is connected to be provided with the import of preheater second, preheater second outlet connection deamination water discharge of wastewater pipeline, deamination waterpipe
Tower reactor goes out water pump, and condenser includes gas feed, condensate outlet, gas vent, the connection condensation of low temperature deammoniation tower gas vent
Device gas feed, the connection gas separate pot import of condenser condensate outlet, gas separate pot outlet connection phegma circulation pipe
Reflux pump is provided with road, the connection low temperature deammoniation tower phegma import of phegma circulating line, phegma circulating line, its feature
It is to be additionally provided with ammonia scrubber, ammonia scrubber goes out including housing, the gas feed of housing tip, circulation fluid import, jet
Mouthful, condenser-air outlet, gas separate pot gas vent connection ammonia scrubber gas feed, recovery ammonia tower include tower body,
Charging aperture in the middle part of the absorbing liquid charging aperture of import, tower body top on tower body, tower body, the floss hole at the top of tower body, tower body
The circulation fluid outlet of bottom, discharging opening, discharging opening connection output pump, output pump connection product pipeline, ammonia scrubber jet go out
Mouth connection recovery ammonia tower import, recovery ammonia tower absorbing liquid charging aperture connection absorbing liquid pipeline, the outlet of recovery ammonia tower circulation fluid passes through
The connection ammonia scrubber circulation fluid import of ammonia pipeline is washed in circulation, and circulation, which is washed, to be provided with circulation on ammonia pipeline and wash ammonia pump and cooler.
2. a kind of low-temperature negative-pressure deamination system and device based on fluid jet principle according to claim 1, its feature exists
The outlet of pipeline connection gas separate pot is separately set in recovery ammonia tower charging aperture.
3. a kind of low-temperature negative-pressure deamination system and device based on fluid jet principle according to claim 1, its feature exists
In ammonia scrubber be fluid jet device.
4. a kind of low-temperature negative-pressure deamination system and device based on fluid jet principle according to claim 1, its feature exists
Heat exchanger is provided between condenser-air import and low temperature deammoniation tower gas vent, phegma circulating line is handed over by heat
Low temperature deammoniation tower phegma import is reconnected after parallel operation heat exchange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710220040.0A CN107176640A (en) | 2017-04-06 | 2017-04-06 | A kind of low-temperature negative-pressure deamination system and device based on fluid jet principle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710220040.0A CN107176640A (en) | 2017-04-06 | 2017-04-06 | A kind of low-temperature negative-pressure deamination system and device based on fluid jet principle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107176640A true CN107176640A (en) | 2017-09-19 |
Family
ID=59830193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710220040.0A Pending CN107176640A (en) | 2017-04-06 | 2017-04-06 | A kind of low-temperature negative-pressure deamination system and device based on fluid jet principle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107176640A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108218082A (en) * | 2018-02-01 | 2018-06-29 | 四川思达能环保科技有限公司 | A kind of ternary anode material precursor preparation process liquid waste treatment system |
| CN108328843A (en) * | 2018-04-17 | 2018-07-27 | 江苏凯利美环保科技有限公司 | Positive-negative pressure integrated high-efficient deamination system and its processing recovery process |
| CN108325343A (en) * | 2018-04-17 | 2018-07-27 | 江苏凯利美环保科技有限公司 | Integrated high-efficiency ammonia recovery unit |
| CN108585093A (en) * | 2018-04-09 | 2018-09-28 | 江苏凯利美环保科技有限公司 | The processing recycling ammonium hydrogen carbonate system and its processing recovery process of landfill leachate |
| CN114525156A (en) * | 2022-02-23 | 2022-05-24 | 华南理工大学 | Energy-saving device and method for strengthening low-temperature methanol washing absorption based on Lurgi process |
| KR102623562B1 (en) * | 2023-06-23 | 2024-01-10 | 주식회사 이엔워터솔루션 | Hybrid type high-concentration ammonia gas removal device and method consisting of 2-channel one-loop circulation cycle ammonia gas collection and sulfuric acid solution gravity drop spraying |
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| CN202465298U (en) * | 2012-03-23 | 2012-10-03 | 济南冶金化工设备有限公司 | Equipment for utilizing residual heat of coke oven flue gas to evaporate ammonia |
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| CN202465298U (en) * | 2012-03-23 | 2012-10-03 | 济南冶金化工设备有限公司 | Equipment for utilizing residual heat of coke oven flue gas to evaporate ammonia |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108218082A (en) * | 2018-02-01 | 2018-06-29 | 四川思达能环保科技有限公司 | A kind of ternary anode material precursor preparation process liquid waste treatment system |
| CN108585093A (en) * | 2018-04-09 | 2018-09-28 | 江苏凯利美环保科技有限公司 | The processing recycling ammonium hydrogen carbonate system and its processing recovery process of landfill leachate |
| CN108328843A (en) * | 2018-04-17 | 2018-07-27 | 江苏凯利美环保科技有限公司 | Positive-negative pressure integrated high-efficient deamination system and its processing recovery process |
| CN108325343A (en) * | 2018-04-17 | 2018-07-27 | 江苏凯利美环保科技有限公司 | Integrated high-efficiency ammonia recovery unit |
| CN108328843B (en) * | 2018-04-17 | 2023-08-04 | 无锡真水源环保科技有限公司 | Positive and negative pressure integrated high-efficiency deamination system and treatment recovery process thereof |
| CN108325343B (en) * | 2018-04-17 | 2024-01-12 | 无锡真水源环保科技有限公司 | Integrated high-efficiency ammonia recovery device |
| CN114525156A (en) * | 2022-02-23 | 2022-05-24 | 华南理工大学 | Energy-saving device and method for strengthening low-temperature methanol washing absorption based on Lurgi process |
| CN114525156B (en) * | 2022-02-23 | 2022-12-16 | 华南理工大学 | Energy-saving device and method for enhancing low-temperature methanol washing absorption based on Lurgi process |
| KR102623562B1 (en) * | 2023-06-23 | 2024-01-10 | 주식회사 이엔워터솔루션 | Hybrid type high-concentration ammonia gas removal device and method consisting of 2-channel one-loop circulation cycle ammonia gas collection and sulfuric acid solution gravity drop spraying |
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