CN206751453U - A kind of high-efficiency and energy-saving type low-temperature negative-pressure deamination and ammonia recovery system device - Google Patents
A kind of high-efficiency and energy-saving type low-temperature negative-pressure deamination and ammonia recovery system device Download PDFInfo
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- CN206751453U CN206751453U CN201720352371.5U CN201720352371U CN206751453U CN 206751453 U CN206751453 U CN 206751453U CN 201720352371 U CN201720352371 U CN 201720352371U CN 206751453 U CN206751453 U CN 206751453U
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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
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
A kind of high-efficiency and energy-saving type low-temperature negative-pressure deamination and ammonia recovery system device, including pipe-line mixer, preheater, negative pressure deammoniation tower, condenser, knockout drum, it is additionally provided with ammonia washer, ammonia washer includes housing, the gas feed of housing tip, circulation fluid import, the absorbing liquid charging aperture of housing upper end, gas discharge outlet, the absorbing liquid extraction mouth of housing bottom, circulation fluid exports, condenser-air exports, gas separate pot gas vent connects ammonia washer gas feed, ammonia washer absorbing liquid charging aperture connects absorbent pipeline, ammonia washer gas discharge outlet connects ammonia decontamination tower air inlet, ammonia washer absorbing liquid extraction mouth connection product pipeline, absorbing liquid extraction pump is provided with product pipeline, the outlet of ammonia washer circulation fluid connects circulation fluid import by circulating line, circulation is provided with circulating line and washes ammonia pump and cooler.Low energy consumption, energy-conserving and environment-protective and resourcebility recovery.
Description
Technical field
It the utility model is related to nitrogen-containing wastewater Treatment and recovery field, and in particular to a kind of high-efficiency and energy-saving type low temperature is born
Pressure-off ammonia and ammonia recovery system device.
Background technology
The industry such as non-ferrous metal and coking, chemical industry, metallurgy such as ternary material, rare earth, zirconium, niobium tantalum can produce substantial amounts of height
Concentration ammonia nitrogen wastewater.At present, the deamination technology that this kind of ammonia nitrogen waste water generally uses mainly has air stripping and stripping rectifying.Pass
System stripping process can not realize the efficient removal of ammonia, and strip rectification process and the problem of steam consumption is big often be present, simultaneously
The problem of tail gas ammonia content is unable to stably reaching standard or single recovery ammonia approach all be present in two kinds of techniques.
Utility model content
The utility model is in view of the shortcomings of the prior art, there is provided a kind of low energy consumption, energy-conserving and environment-protective and resourcebility recovery
High-efficiency and energy-saving type low-temperature negative-pressure deamination and ammonia recovery system device.
To realize the utility model purpose, there is provided following technical scheme：A kind of high-efficiency and energy-saving type low-temperature negative-pressure deamination and
Ammonia recovery system device, including pipe-line mixer, preheater, negative pressure deammoniation tower, condenser, knockout drum, nitrogen-containing wastewater
Inlet channel connecting pipe blender import, pH adjusting agent feed pipe connecting pipe blender dosing mouth, pipe-line mixer go out
Mouth connection the first import of preheater, negative pressure deammoniation tower include tower body, are arranged at the charging aperture on the nearly top of tower body, are arranged at tower body top
The gas vent at end, the steam inlet of setting and the nearly bottom of tower body, it is arranged at the deamination water out of tower body bottom and is arranged at
The phegma import on the nearly top of tower body, preheater first outlet connection negative pressure deammoniation tower charging aperture, jet chimney connection negative pressure take off
Ammonia tower steam inlet, negative pressure deammoniation tower deamination water out connect the import of preheater second, preheater second by deamination waterpipe
Outlet connection deamination water discharge of wastewater pipeline, tower reactor is provided with deamination waterpipe and goes out water pump, condenser includes gas feed, cold
Condensate outlet, gas vent, the connection condenser-air import of negative pressure deammoniation tower gas vent, condenser condensate outlet connection gas
Body knockout drum import, gas separate pot outlet connection phegma circulating line, phegma circulating line connection negative pressure deammoniation tower return
Flow liquid import, be provided with reflux pump on phegma circulating line, it is characterised in that be additionally provided with ammonia washer, ammonia washer include housing,
The gas feed of the demister in ejector, housing, ejector top in housing, the circulation fluid of ejector top opposite side enter
Mouth, the absorbing liquid charging aperture of housing upper end, gas discharge outlet, the absorbing liquid extraction mouth of housing bottom, circulation fluid outlet, condenser
Gas vent, the connection ammonia washer gas feed of gas separate pot gas vent, ammonia washer absorbing liquid charging aperture connection absorber tube
Road, ammonia washer gas discharge outlet connection ammonia decontamination tower air inlet, ammonia washer absorbing liquid extraction mouth connection product pipeline, product pipe
It is provided with absorbing liquid extraction pump on road, the outlet of ammonia washer circulation fluid is by circulating line connection circulation fluid import, on circulating line
It is provided with circulation and washes ammonia pump and cooler.
Preferably, it is provided with heat exchanger, phegma between condenser-air import and negative pressure deammoniation tower gas vent
Circulating line reconnects negative pressure deammoniation tower phegma import after being exchanged heat by heat exchanger.
Preferably, ammonia decontamination tower includes tower body, tower body bottom sets circulation fluid to export, circulation fluid is set in the middle part of tower body
Import, tower body top set absorbing liquid first charging aperture, tower body middle part to be provided with absorbing liquid second charging aperture, the setting of tower body top
There is floss hole, absorbing liquid second charging aperture connects gas separate pot by pipeline and exported, and the connection of absorbing liquid first charging aperture absorbs
Agent pipeline, circulation fluid outlet connect circulation fluid import and product line by reflux pump.
The utility model beneficial effect：(1) by setting ammonia washer, negative pressure is provided for front end deamination system, is reduced de-
Ammonia system temperature, steam consumption is saved, improve ammonia removal efficiency；
(2) by setting heat exchanger between negative pressure deammoniation tower and condenser, exchanged heat with phegma, improve phegma
Temperature, negative pressure deammoniation tower steam consumption and condenser heat exchange area are saved, and then reduced investment outlay and floor space, it is cold to save circulation
But water consumption；
(3) recovery ammonia point at two is set, it is ensured that when equipment fault or high ammonia density, tail gas still can be with qualified discharge；
And variety classes and the product of ratio can be reclaimed simultaneously according to the difference of absorbing liquid；The high price of ammonia nitrogen resource is realized as needed
Value recovery.
Brief description of the drawings
Fig. 1 is system schematic of the present utility model.
Fig. 2 is ammonia absorber structural representation in Fig. 1.
Embodiment
Embodiment 1：A kind of high-efficiency and energy-saving type low-temperature negative-pressure deamination and ammonia recovery system device, including it is pipe-line mixer 1, pre-
Hot device 2, negative pressure 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, the connection preheater first of pipe-line mixer outlet 1.3
Import 2.1, negative pressure deammoniation tower 3 include tower body 3.1, are arranged at the charging aperture 3.2 on 3.1 nearly top of tower body, are arranged at tower body 3.1 and push up
The gas vent 3.3 at end, set to go out with the steam inlet 3.4 of 3.1 nearly bottom of tower body, the deamination water for being arranged at the bottom of tower body 3.1
Mouth 3.5 and the phegma import 3.6 for being arranged at 3.1 nearly top of tower body, preheater first outlet 2.2 connect negative pressure deammoniation tower 3
Charging aperture 3.2, jet chimney 8 connect the steam inlet 3.4 of negative pressure deammoniation tower 3, and the deamination water out 3.5 of negative pressure deammoniation tower 3 passes through de-
Ammoniacal liquor pipeline 9 connects the second import of preheater 2.3, and preheater second outlet 2.4 connects deamination water discharge of wastewater pipeline 10, deamination
Tower reactor is provided with waterpipe 9 and goes out water pump 11, condenser 4 includes gas feed 4.1, condensate outlet 4.2, gas vent 4.3,
The gas vent 3.3 of negative pressure deammoniation tower 3 connection condenser-air import 4.1, condenser condensate outlet 4.2 connects gas separate pot
Import 5.1, the connection phegma circulating line 12 of gas separate pot outlet 5.2, phegma circulating line 12 connects negative pressure deammoniation tower
Phegma import 3.6, reflux pump 13 is provided with phegma circulating line 12, is additionally provided with ammonia washer 14, ammonia washer 14 includes shell
The gas feed of the demister 14.3, the top of ejector 14.1 in ejector 14.2, housing 14.1 in body 14.1, housing 14.1
14.4th, the circulation fluid import 14.5 of the top opposite side of ejector 14.2, absorbing liquid charging aperture 14.6, the gas of the upper end of housing 14.1
Floss hole 14.7, the absorbing liquid extraction mouth 14.8 of the bottom of housing 14.1, circulation fluid outlet 14.9, condenser-air outlet 4.3, gas
Body knockout drum gas vent 5.3 connects ammonia washer gas feed 14.4, and ammonia washer absorbing liquid charging aperture 14.6 connects absorber tube
Road 15, ammonia washer gas discharge outlet 14.7 connect the air inlet 16.5 of ammonia decontamination tower 16, and ammonia washer absorbing liquid extraction mouth 14.8 connects
Product pipeline 17 is connect, absorbing liquid extraction pump 18 is provided with product pipeline 17, ammonia washer circulation fluid outlet 14.9 passes through circulation pipe
Road connects circulation fluid import 14.5, and being provided with circulation on circulating line washes ammonia pump 20 and cooler 21.Ammonia decontamination tower 16 wraps
Include tower body, tower body bottom sets circulation fluid outlet 16.1, sets circulation fluid import 16.2, the setting of tower body top to absorb in the middle part of tower body
Liquid first charging aperture 16.3, tower body middle part is provided with absorbing liquid second charging aperture 16.4, tower body top is provided with floss hole 16.5,
Absorbing liquid second charging aperture 16.4 connects gas separate pot outlet 5.2 by pipeline, and the connection of absorbing liquid first charging aperture 16.3 is inhaled
Agent pipeline 15 is received, circulation fluid outlet 16.1 connects circulation fluid import 16.2 and product line 22 by reflux pump 13.
Embodiment 2：Go out with reference to embodiment 1, other feature invariants, condenser-air import 4.1 with negative pressure deammoniation tower gas
Heat exchanger 23 is provided between mouth 3.3, phegma circulating line 12, which passes through after heat exchanger 23 exchanges heat, reconnects negative pressure deamination
Tower phegma import 3.6.
Nitrogen-containing wastewater adds pH adjusting agent regulation wastewater pH as alkalescence through pipe-line mixer, goes out by preheater and tower reactor
Water enters negative pressure deammoniation tower after being exchanged heat, and carries out counter current contacting with steam in tower, 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, enters after over-heat-exchanger exchanges heat with phegma cold
Condenser, the ammoniacal liquor that condenser condenses out are back to negative pressure deammoniation tower through reflux pump；Heat exchanger improves the temperature of phegma,
Therefore the steam consumption of deamination is saved, the temperature of ammonia-containing gas is reduced, so as to reduce the temperature of condenser, saves throwing
Rate are used；
Enter super ammonia washer from absorbing liquid out-of-bounds, washing ammonia pump in super ammonia washer through circulation circulates, and is entering
Highly concentrated ammonia at mouthful in suction cooler and knockout drum, the deamination system of leading portion is set to maintain negative pressure, it is de- so as to reduce
Ammonia temperature, saves steam consumption；
Circulation is washed between ammonia pump and super ammonia washer and sets cooler, reduces the temperature of absorbing liquid, improves absorption efficiency；
The unabsorbed a small amount of pneumatic transmission of fixed gas containing ammonia of ammonia washer enters ammonia decontamination tower, is led to by the absorbing liquid in ammonia decontamination tower
Sprayer Circulation pumping receipts are crossed, ammonia decontamination Ta Ta tops set absorbing liquid charging aperture, ensure tail gas qualified discharge.
Different as needed, the absorbing liquid of super ammonia washer and the absorbing liquid of ammonia decontamination tower can be different mediums, no
With concentration and ratio, so as to realize that the high value of ammonia reclaims.
Claims (3)
1. a kind of high-efficiency and energy-saving type low-temperature negative-pressure deamination and ammonia recovery system device, including pipe-line mixer, preheater, negative pressure take off
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, negative pressure deammoniation tower include tower body, set
The steam inlet of charging aperture, the nearly bottom of gas vent, setting and tower body for being arranged at tower body top in the nearly top of tower body, set
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 negative pressure
Deammoniation tower charging aperture, jet chimney connection negative pressure deammoniation tower steam inlet, negative pressure deammoniation tower deamination water out pass through deamination water pipe
Road connects the import of preheater second, and preheater second outlet connects deamination water discharge of wastewater pipeline, is provided with deamination waterpipe
Tower reactor goes out water pump, and condenser includes gas feed, condensate outlet, gas vent, the connection condensation of negative pressure 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
Road, phegma circulating line connect negative pressure deammoniation tower phegma import, are provided with reflux pump on phegma circulating line, its feature
It is to be additionally provided with ammonia washer, ammonia washer includes housing, the ejector in housing, the demister in housing, the gas on ejector top
Body import, the circulation fluid import of ejector top opposite side, the absorbing liquid charging aperture of housing upper end, gas discharge outlet, housing bottom
The absorbing liquid extraction mouth at end, circulation fluid outlet, condenser-air outlet, gas separate pot gas vent connection ammonia washer gas enter
Mouthful, ammonia washer absorbing liquid charging aperture connection absorbent pipeline, ammonia washer gas discharge outlet connection ammonia decontamination tower air inlet, wash ammonia
Device absorbing liquid extraction mouth connects product pipeline, and absorbing liquid extraction pump is provided with product pipeline, and the outlet of ammonia washer circulation fluid passes through
Circulating line connects circulation fluid import, and being provided with circulation on circulating line washes ammonia pump and cooler.
2. a kind of high-efficiency and energy-saving type low-temperature negative-pressure deamination according to claim 1 and ammonia recovery system device, its feature exist
Heat exchanger is provided between condenser-air import and negative pressure deammoniation tower gas vent, phegma circulating line is handed over by heat
Negative pressure deammoniation tower phegma import is reconnected after parallel operation heat exchange.
3. a kind of high-efficiency and energy-saving type low-temperature negative-pressure deamination according to claim 1 and ammonia recovery system device, its feature exist
In ammonia decontamination tower includes tower body, tower body bottom sets circulation fluid to export, sets circulation fluid import, tower body top to set in the middle part of tower body
Put absorbing liquid first charging aperture, tower body middle part is provided with absorbing liquid second charging aperture, tower body top is provided with floss hole, absorbing liquid
Second charging aperture connects gas separate pot by pipeline and exported, and absorbing liquid first charging aperture connection absorbent pipeline, circulation fluid goes out
Mouth passes through reflux pump and connects circulation fluid import and product line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720352371.5U CN206751453U (en) | 2017-04-06 | 2017-04-06 | A kind of high-efficiency and energy-saving type low-temperature negative-pressure deamination and ammonia recovery system device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720352371.5U CN206751453U (en) | 2017-04-06 | 2017-04-06 | A kind of high-efficiency and energy-saving type low-temperature negative-pressure deamination and ammonia recovery system device |
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| Publication Number | Publication Date |
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| CN206751453U true CN206751453U (en) | 2017-12-15 |
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| CN201720352371.5U Active CN206751453U (en) | 2017-04-06 | 2017-04-06 | A kind of high-efficiency and energy-saving type low-temperature negative-pressure deamination and ammonia recovery system device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106927533A (en) * | 2017-04-06 | 2017-07-07 | 江苏好山好水环保科技有限公司 | A kind of high-efficiency and energy-saving type low-temperature negative-pressure deamination and ammonia recovery system device |
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2017
- 2017-04-06 CN CN201720352371.5U patent/CN206751453U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106927533A (en) * | 2017-04-06 | 2017-07-07 | 江苏好山好水环保科技有限公司 | A kind of high-efficiency and energy-saving type low-temperature negative-pressure deamination and ammonia recovery system device |
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