CN108097001A - A kind of system and method for ammonia in absorbing ammonia nitrogen mixed gas - Google Patents
A kind of system and method for ammonia in absorbing ammonia nitrogen mixed gas Download PDFInfo
- Publication number
- CN108097001A CN108097001A CN201810026175.8A CN201810026175A CN108097001A CN 108097001 A CN108097001 A CN 108097001A CN 201810026175 A CN201810026175 A CN 201810026175A CN 108097001 A CN108097001 A CN 108097001A
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- Prior art keywords
- ammonia
- liquid
- tourie
- ammonia nitrogen
- absorption tower
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- 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
- B01D53/1406—Multiple stage absorption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/40—Nitrogen compounds
- B01D2257/406—Ammonia
Abstract
The invention discloses a kind of system and method for ammonia in absorbing ammonia nitrogen mixed gas,Include tourie for the system of ammonia in absorbing ammonia nitrogen mixed gas,Absorption tower and liquid collecting tank,Ammonia absorbing liquid is housed in tourie,Tourie is equipped with and the tank car ammonia nitrogen gaseous mixture pipeline ammonia nitrogen combi inlet port being connected and the remaining mixed gas outlet being connected with absorption tower,The absorption pot bottom is equipped with ammonium hydroxide discharge line,Spray thrower is equipped in absorption tower from top to bottom,Packing layer,Hydrops area,The inlet of spray thrower is connected with out-of-bounds desalted water pipeline,Absorption tower is equipped with the remaining combi inlet port connected by admission line with remaining mixed gas outlet,Remaining combi inlet port is between packing layer and hydrops area,It is located at the top of absorption tower above spray thrower and is equipped with clean gas outlet,The Drainage pipe being passed into liquid collecting tank is connected in the hydrops area on absorption tower,The liquid collecting tank is equipped with the recovered liquid circulating line being passed into tourie.
Description
Technical field
A kind of system and method for ammonia in absorbing ammonia nitrogen mixed gas of the present invention, and in particular to a kind of liquefied ammonia tank vehicle unloads
The processing system and method for tail gas, belong to environmental technology field.
Background technology
In chemical plant or raw material pharmaceutical factory, liquefied ammonia is often used, liquefied ammonia is generally transported with tank car, is unloaded reaching plant area toward storage tank
During vehicle, part liquefied ammonia pressure release is directly thrown into air, is not only polluted environment, is endangered human health, can also cause resource
Waste, therefore, under the increasingly stringenter overall background of current environmental requirement, environmental protection, efficiently, the research of economic ammonia-removal method
With important practical significance.At present, it is different according to tank car transported material property, the processing method one of existing tank car unloading tail gas
As include cryogenic condensation, absorption, UF membrane, circulation of tail gas reflux etc. technologies.Notification number is the Chinese patent of CN101899319A
A kind of unloading tail gas-naphtha condensation recycling method and device are disclosed, by tail gas of vacuum gas pump and percent by volume 60% ~ 80%
Ethylene glycol solution recycles after exchanging heat within the condenser, eliminates safe and environment-friendly hidden danger, and naphtha lime set is recycled utilization.It is public
The liquefied ammonia tank vehicle unloading unit that number Chinese patent for being CN202915041U discloses a kind of safety and environmental protection is accused, is unloaded in existing liquefied ammonia
One section of pipeloop is added on vehicle device, liquefied ammonia unloading tail gas is recycled, so as to reduce environmental pollution, improves life
Produce processing safety.But the device increases only one section of pipeloop, there are ammonia recovery it is relatively low the problem of.Notification number is
The Chinese patent of CN205914008U discloses a kind of ammonia-containing gas absorption system, and the system is first using the purification equipped with lye
Device removes the sodium sulfocyanate and vapor contained in gas, absorbs ammonia using falling film type ammonia absorption plant afterwards, passes through coil pipe
Formula condenser reduces absorbing liquid temperature, it can be achieved that effective absorption of ammonia.
These inorganic acids or organic acid absorption process of the prior art can improve ammonia recovery, but generally existing absorbent
The problems such as regeneration is difficult, ammonium salt product added value is low.Other common methods such as low temperature recycling, membrane separating method etc., there are steps
The shortcomings of cumbersome, separation material consumption is greatly, ammonia recovery is relatively low.
The content of the invention
It is an object of the invention to provide a kind of system and method for ammonia in absorbing ammonia nitrogen mixed gas, have flow
Simply, ammonia absorptivity height, clean environment firendly, it is applied widely the advantages that.
System of the present invention for ammonia in absorbing ammonia nitrogen mixed gas adopts the following technical scheme that：One kind is used to absorb ammonia nitrogen
Including tourie, absorption tower and liquid collecting tank, ammonia absorbing liquid, tourie are equipped in tourie for the system of ammonia in gaseous mixture
Be equipped with the tank car ammonia nitrogen gaseous mixture pipeline ammonia nitrogen combi inlet port being connected and the remaining mixed gas outlet being connected with absorption tower,
The absorption pot bottom is equipped with ammonium hydroxide discharge line, is equipped with spray thrower, packing layer, hydrops area, spray in absorption tower from top to bottom
The inlet of device is connected with out-of-bounds desalted water pipeline, and absorption tower is equipped with what is connected by admission line with remaining mixed gas outlet
Remaining combi inlet port, remaining combi inlet port are located at the top of absorption tower above spray thrower between packing layer and hydrops area
Equipped with clean gas outlet, the Drainage pipe being passed into liquid collecting tank is connected in the hydrops area on absorption tower, is set on the liquid collecting tank
There is the recovered liquid circulating line being passed into tourie.
The tourie includes tank body and is arranged on the packing cavity that tank body top is connected with tank interior, is equipped in packing cavity
Filler, ammonia absorbing liquid are located in tank body, and the ammonia nitrogen combi inlet port is arranged on tank body, and the remnants mixed gas outlets are set
It puts at the top of packing cavity, the recovered liquid circulating line is passed into the position between packing cavity filler and remaining mixed gas outlet.
The gas return conduit being passed between absorption tower liquid collecting zone and packing layer is additionally provided on the liquid collecting tank, gas returns
The position that flow tube road is connected on absorption tower is connected to position on absorption tower higher than Drainage pipe, the gas return conduit and
Drainage pipe is both connected to the top of liquid collecting tank.
Delivery pump, the recovered liquid circulating line and ammonia are equipped on the recovered liquid circulating line and ammonium hydroxide discharge line
Delivery pump is two delivery pumps being arranged in parallel on water discharge pipe road, wherein one conveying pump work, another it is spare.
It is equipped with coiled tube condenser on the tourie and liquid collecting tank, the cooling medium in coiled tube condenser is cycle
Cooling water.
Method of the present invention for ammonia in absorbing ammonia nitrogen mixed gas adopts the following technical scheme that：One kind is used to absorb ammonia nitrogen
The method of ammonia, comprises the following steps in gaseous mixture：（1）Tank car ammonia nitrogen gaseous mixture is passed into tourie, ammonia nitrogen mixing
Ammonia is by the absorbing liquid initial absorption in absorption tank in gas；（2）Ammonia nitrogen gaseous mixture after initial absorption is passed into absorption
In tower, ammonia nitrogen gaseous mixture inversely contacts in the packing layer of absorption tower with desalted water spray liquid, so as to be cleaned, after purification gas by
Absorption tower top discharge, absorb the bottom of the tower liquid enter liquid collecting tank；（3）Liquid is passed through tourie top, tourie in liquid collecting tank
Middle liquid is by tourie bottom discharge to out-of-bounds.
Step（3）Liquid in middle liquid collecting tank is passed into the packing cavity for absorbing tank top, step（1）Ammonia nitrogen
After gaseous mixture initial absorption, into the packing cavity absorbed above tank, liquid in the filler of packing cavity and in liquid collecting tank
Reverse contact, is further absorbed, then carries out step again（2）.
Step（3）It further includes gas backstreaming in liquid collecting tank between absorption tower liquid collecting zone and filler.
Step（3）In, liquid is pumped into tourie top by conveying in liquid collecting tank, and liquid passes through delivery pump in tourie
It send to out-of-bounds.
Coiled tube condenser is equipped on the tourie and liquid collecting tank, in above-mentioned steps, in tourie and liquid collecting tank
Solution absorbs the heat that ammonia generates and is absorbed by coiled tube condenser.
The beneficial effects of the invention are as follows：The present invention is that the ammonia nitrogen gaseous mixture from tank car is passed through tourie, by tank
Solution completes initial absorption, and gaseous mixture enters from absorb the bottom of the tower afterwards, packing layer and the desalted water on top adverse current on absorption tower
It contacts, completion absorption cleaning, the gaseous mixture ammonia density after absorption cleaning is in 1.5mg/m3Hereinafter, environmental emission standard is reached, by
Clean gas outlet is discharged into out-of-bounds；Absorb the bottom of the tower liquid storage enters liquid collecting tank by Drainage pipe, and liquid is by returning in liquid collecting tank
It receives liquid circulating line to be passed into tourie, solution is sent by ammonium hydroxide discharge line to out-of-bounds in tourie.Ammonia from tank car
Nitrogen mixed gas need not be pre-processed, and have many advantages, such as flow simple, ammonia absorptivity height, clean environment firendly, applied widely.
Further, packing section is set on tourie top, as much as possible to absorb ammonia in tourie.
Further, gas backstreaming in liquid collecting tank to absorb the bottom of the tower is prevented by liquid collecting tank pressure by gas return conduit
Power is excessive, moreover it is possible to which gas is further purified.
Further, solution in tourie and absorption tower is absorbed by coiled tube condenser and absorbs the heat that ammonia generates, tool
There is the advantages of simple in structure, easy to use.
Description of the drawings
Fig. 1 is for the structure diagram of the embodiment of the system of ammonia in absorbing ammonia nitrogen mixed gas.
In figure：1- touries, 11- ammonia nitrogen combi inlet ports, 12- remnants' mixed gas outlet, 1a- tank bodies, 1b- packing cavities,
2- absorption towers, 21- spray throwers, 22- packing layers, 23- hydrops area, 24- remnants' combi inlet port, 25- clean gas outlets, 3- liquid collectings
Tank, 4- tank car ammonia nitrogen gaseous mixture pipelines, 5- ammonium hydroxide discharge lines, out-of-bounds desalted water pipeline, 7- Drainage pipes, 8- recovered liquids follow 6-
Endless tube road, 9- gas return conduits, 10- coiled tube condensers.
Specific embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
The present invention is used for a kind of specific embodiment of the system of ammonia in absorbing ammonia nitrogen mixed gas as shown in Figure 1, it includes
Tourie 1, absorption tower 2 and liquid collecting tank 3, tourie 1 is interior equipped with ammonia absorbing liquid, and tourie 1 is equipped with and is mixed with tank car ammonia nitrogen
The ammonia nitrogen combi inlet port 11 that feed channel 4 connects and the remaining mixed gas outlet 12 being connected with absorption tower 2,1 bottom of tourie
Portion is equipped with ammonium hydroxide discharge line 5, and spray thrower 21, packing layer 22, hydrops area 23, spray thrower 21 are equipped with from top to bottom in absorption tower 2
Inlet be connected with out-of-bounds desalted water pipeline 6, absorption tower 2 be equipped with by admission line with remnants mixed gas outlet 12 connects
Remaining combi inlet port 24, between packing layer 22 and hydrops area 23, the top of absorption tower 1 is located at remaining combi inlet port 24
21 top of spray thrower is equipped with clean gas outlet 25, and the drain pipe being passed into liquid collecting tank 3 is connected in the hydrops area 23 on absorption tower
Road 7, the liquid collecting tank 3 are equipped with the recovered liquid circulating line 8 being passed into tourie 1.The tourie 1 include tank body 1a and
The packing cavity 1b connected above tank body 1a with tank interior is arranged on, is equipped with filler in packing cavity 1b, ammonia absorbing liquid is located at tank
In body 1a, the ammonia nitrogen combi inlet port 11 is arranged on tank body 1a, and the remnants mixed gas outlets 12 are arranged on packing cavity 1b
Top, the recovered liquid circulating line 8 are passed into the position between packing cavity 1b fillers and remaining mixed gas outlet 12.The collection
The gas return conduit 9 being passed between absorption tower liquid collecting zone 23 and packing area 22, gas return conduit 9 are additionally provided on flow container 3
The position being connected on absorption tower 2 is connected to the position on absorption tower, the gas return conduit 9 and row higher than Drainage pipe 7
Liquid pipe road 7 is both connected to the top of liquid collecting tank 3.Conveying is equipped on the recovered liquid circulating line 8 and ammonium hydroxide discharge line 5
It pumps, delivery pump is two delivery pumps being arranged in parallel on the recovered liquid circulating line 8 and ammonium hydroxide discharge line 5, wherein one
Platform conveying pump work, another it is spare.Coiled tube condenser 10, coiled condensation are equipped on the tourie 1 and liquid collecting tank 3
Cooling medium in device 10 is recirculated cooling water.
The operational process of the system of the present embodiment is：Ammonia nitrogen gaseous mixture from tank car is introduced into tourie, is passed through successively
Solution, the completion of packing cavity top filler once absorb in tank body；Gaseous mixture enters from absorb the bottom of the tower afterwards, with absorption tower top
Desalted water charging is in packing section counter current contacting, completion double absorption；Gaseous mixture ammonia density after double absorption is in 1.5mg/m3With
Under, reach environmental emission standard, discharged by clean gas outlet；Absorb the bottom of the tower goes out liquid and enters liquid collecting tank, and gas returns in liquid collecting tank
Absorb the bottom of the tower is flow to, liquid collecting tank is equipped with liquid level gauge, and under liquid level gauge control, liquid is by recovered liquid circulating line in liquid collecting tank
Tourie packing cavity top is pumped to conveying；Solution is emitted into out-of-bounds by ammonium hydroxide discharge line and delivery pump in tourie.
The present invention increases by one section of packing material absorbing section on tourie top, as much as possible to inhale ammonia in tourie
It receives.The heat that solvent absorption ammonia generates is absorbed by coiled tube condenser by recirculated cooling water.To reach environment protection emission requirement,
The gaseous mixture exported from tourie needs further to absorb through absorption tower.Ammonia nitrogen gaseous mixture from tank car need not be located in advance
Reason, have many advantages, such as flow simply, it is ammonia absorptivity height, clean environment firendly, applied widely.
Concrete application example is as follows：
Example 1：Unloading tail gas 200m from liquefied ammonia tank vehicle3/ h, temperature are 20 DEG C, pressure 101.325kPa, quality composition
For NH3：15%, N2：85%, gas phase enters the packing section that tourie upper height is 500mm, molten with 30 DEG C from liquid collecting tank
Liquid counter current contacting, obtains NH3After quality group is as 1.3% gaseous mixture, into the absorption tower that packed height is 2000mm, with temperature
It spends for 30 DEG C, flow 1.7m3The desalted water counter current contacting of/h obtains flow as 159m3/ h, NH3Concentration is 1.21mg/m3's
Gaseous mixture is discharged into air, while obtains ammonia quality group as 0.1% liquid phase, and liquid phase is pumped to tourie packing section top；It absorbs
Tank liquidus temperature is 33 DEG C, flow rate 1.78m3/ h, ammonia quality group become 1.8%, are pumped to out-of-bounds by delivery pump；Using following
Ring cooling water removes solution and absorbs the heat that ammonia generates, and tourie temperature is made to remain 33 DEG C.
Example 2：Unloading tail gas 200m from liquefied ammonia tank vehicle3/ h, temperature are 20 DEG C, pressure 101.325kPa, quality
It forms as NH3：50%, N2：50%, gas phase enters the packing section that tourie upper height is 500mm, with 30 DEG C from liquid collecting tank
Solution counter current contacting, obtain NH3It is the absorption tower of 2000mm into packed height after quality group is as 9.2% gaseous mixture,
It is 30 DEG C with temperature, flow 1.45m3The desalted water counter current contacting of/h obtains flow as 77.57m3/ h, NH3Concentration is
1.46mg/m3Gaseous mixture be discharged into air, while obtain ammonia quality group become 0.6% liquid phase, liquid phase is through circulating cooling water cooling
To after 33 DEG C, tourie packing section top is pumped to；Tourie liquidus temperature is 33 DEG C, flow rate 1.64m3/ h, ammonia quality group
As 5.7%, it is pumped to out-of-bounds by delivery pump；The heat of solution absorption ammonia generation is removed using recirculated cooling water, makes absorption
Tank sum aggregate liquid tank temperature remains 33 DEG C.
Example 3：Unloading tail gas 200m from liquefied ammonia tank vehicle3/ h, temperature are 20 DEG C, pressure 101.325kPa, quality
It forms as NH3：85%, N2：15%, gas phase enters the packing section that tourie upper height is 500mm, with 30 DEG C from liquid collecting tank
Solution counter current contacting, obtain NH3It is the absorption tower of 2000mm into packed height after quality group is as 40.1% gaseous mixture,
It is 30 DEG C with temperature, flow 1.1m3The desalted water counter current contacting of/h obtains flow as 19.88m3/ h, NH3Concentration is
0.08mg/m3Gaseous mixture be discharged into air, while obtain ammonia quality group become 1.7% liquid phase, liquid phase is through circulating cooling water cooling
To after 33 DEG C, tourie packing section top is pumped to；Tourie liquidus temperature is 33 DEG C, flow rate 1.37m3/ h, ammonia quality group
As 10.4%, it is pumped to out-of-bounds by delivery pump；The heat of solution absorption ammonia generation is removed using recirculated cooling water, makes suction
Closed cans sum aggregate liquid tank temperature remains 33 DEG C.
The present invention comprises the following steps for a kind of embodiment of the method for ammonia in absorbing ammonia nitrogen mixed gas：（1）By slot
Vehicle ammonia nitrogen gaseous mixture is passed into tourie, and ammonia is by the absorbing liquid initial absorption in absorption tank in ammonia nitrogen gaseous mixture；（2）
Ammonia nitrogen gaseous mixture after initial absorption is passed into absorption tower, ammonia nitrogen gaseous mixture in the packing layer of absorption tower with desalination water spray
Liquid inversely contacts, and so as to be cleaned, gas enters liquid collecting tank by absorption tower top discharge, absorb the bottom of the tower liquid after purification；（3）
Liquid is passed through tourie top in liquid collecting tank, in tourie liquid by tourie bottom discharge to out-of-bounds.
Step（3）Liquid in middle liquid collecting tank is passed into the packing cavity for absorbing tank top, step（1）Ammonia nitrogen
After gaseous mixture initial absorption, into the packing cavity absorbed above tank, liquid in the filler of packing cavity and in liquid collecting tank
Reverse contact, is further absorbed, then carries out step again（2）.
Step（3）It further includes gas backstreaming in liquid collecting tank between absorption tower liquid collecting zone and filler.
Step（3）In, liquid is pumped into tourie top by conveying in liquid collecting tank, and liquid passes through delivery pump in tourie
It send to out-of-bounds.
Coiled tube condenser is equipped on the tourie and liquid collecting tank, in above-mentioned steps, in tourie and liquid collecting tank
Solution absorbs the heat that ammonia generates and is absorbed by coiled tube condenser.
Claims (10)
1. a kind of system for ammonia in absorbing ammonia nitrogen mixed gas, it is characterised in that：It includes tourie（1）, absorption tower（2）
And liquid collecting tank（3）, tourie（1）It is interior that ammonia absorbing liquid, tourie are housed（1）It is equipped with and tank car ammonia nitrogen gaseous mixture pipeline（4）
The ammonia nitrogen combi inlet port of connection（11）With with absorption tower（2）The remaining mixed gas outlet of connection（12）, the tourie（1）Bottom
Portion is equipped with ammonium hydroxide discharge line（5）, absorption tower（2）Spray thrower is inside equipped with from top to bottom（21）, packing layer（22）, hydrops area
（23）, spray thrower（21）Inlet and out-of-bounds desalted water pipeline（6）Connection, absorption tower（2）Be equipped with by admission line with
Remaining mixed gas outlet（12）The remaining combi inlet port of connection（24）, remaining combi inlet port（24）Positioned at packing layer（22）With
Hydrops area（23）Between, absorption tower（2）Top is located at spray thrower（21）Top is equipped with clean gas outlet（25）, absorption tower（2）'s
Hydrops area（23）On be connected with and be passed into liquid collecting tank（3）Interior Drainage pipe（7）, the liquid collecting tank（3）It is equipped with and is passed into suction
Closed cans（1）Interior recovered liquid circulating line（8）.
2. the system according to claim 1 for ammonia in absorbing ammonia nitrogen mixed gas, it is characterised in that：The tourie
（1）Including tank body（1a）Be arranged on tank body（1a）The packing cavity that top is connected with tank interior（1b）, packing cavity（1b）Inside set
There is filler, ammonia absorbing liquid is located at tank body（1a）It is interior, the ammonia nitrogen combi inlet port（11）It is arranged on tank body（1a）On, it is described residual
Remaining mixed gas outlet（12）It is arranged on packing cavity（1b）Top, the recovered liquid circulating line（8）It is passed into packing cavity（1b）It fills out
Material and remaining mixed gas outlet（12）Between position.
3. the system according to claim 1 for ammonia in absorbing ammonia nitrogen mixed gas, it is characterised in that：The liquid collecting tank
（3）On be additionally provided with and be passed into absorption tower liquid collecting zone（23）And packing layer（22）Between gas return conduit（9）, gas backstreaming pipe
Road（9）The position being connected on absorption tower is higher than Drainage pipe（7）The position being connected on absorption tower, the gas return conduit
（9）And Drainage pipe（7）It is both connected to liquid collecting tank（3）Top.
4. the system for ammonia in absorbing ammonia nitrogen mixed gas according to claim 1 or 2 or 3, it is characterised in that：It is described
Recovered liquid circulating line（8）With ammonium hydroxide discharge line（5）On be equipped with delivery pump, the recovered liquid circulating line（8）And ammonium hydroxide
Discharge line（5）Upper delivery pump is two delivery pumps being arranged in parallel, wherein one conveying pump work, another it is spare.
5. the system according to claim 4 for ammonia in absorbing ammonia nitrogen mixed gas, it is characterised in that：The tourie
（1）And liquid collecting tank（3）On be equipped with coiled tube condenser（10）, coiled tube condenser（10）In cooling medium be circulating cooling
Water.
A kind of 6. method for ammonia in absorbing ammonia nitrogen mixed gas, which is characterized in that it comprises the following steps：（1）By tank car
Ammonia nitrogen gaseous mixture is passed into tourie, and ammonia is by the absorbing liquid initial absorption in absorption tank in ammonia nitrogen gaseous mixture；（2）It will
Ammonia nitrogen gaseous mixture after initial absorption is passed into absorption tower, ammonia nitrogen gaseous mixture in the packing layer of absorption tower with desalted water spray liquid
Reverse contact, so as to be cleaned, gas enters liquid collecting tank by absorption tower top discharge, absorb the bottom of the tower liquid after purification；（3）Collection
Liquid is passed through tourie top in flow container, in tourie liquid by tourie bottom discharge to out-of-bounds.
7. the method according to claim 6 for ammonia in absorbing ammonia nitrogen mixed gas, it is characterised in that：Step（3）In
Liquid in liquid collecting tank is passed into the packing cavity for absorbing tank top, step（1）Ammonia nitrogen gaseous mixture initial absorption after,
Into in the packing cavity absorbed above tank, liquid inversely contacts in the filler of packing cavity and in liquid collecting tank, into traveling one
Step absorbs, and then carries out step again（2）.
8. the method according to claim 6 for ammonia in absorbing ammonia nitrogen mixed gas, it is characterised in that：Step（3）Also
Including by gas backstreaming in liquid collecting tank between absorption tower liquid collecting zone and filler.
9. the method for ammonia in absorbing ammonia nitrogen mixed gas according to claim 6 or 7 or 8, it is characterised in that：Step
（3）In, liquid is pumped into tourie top by conveying in liquid collecting tank, and liquid is pumped to out-of-bounds by conveying in tourie.
10. the method for ammonia in absorbing ammonia nitrogen mixed gas according to claim 6 or 7 or 8, it is characterised in that：Institute
It states and coiled tube condenser is equipped on tourie and liquid collecting tank, in above-mentioned steps, the solution absorbing ammonia in tourie and liquid collecting tank
The heat that gas generates is absorbed by coiled tube condenser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810026175.8A CN108097001A (en) | 2018-01-11 | 2018-01-11 | A kind of system and method for ammonia in absorbing ammonia nitrogen mixed gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810026175.8A CN108097001A (en) | 2018-01-11 | 2018-01-11 | A kind of system and method for ammonia in absorbing ammonia nitrogen mixed gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108097001A true CN108097001A (en) | 2018-06-01 |
Family
ID=62219458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810026175.8A Pending CN108097001A (en) | 2018-01-11 | 2018-01-11 | A kind of system and method for ammonia in absorbing ammonia nitrogen mixed gas |
Country Status (1)
| Country | Link |
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| CN (1) | CN108097001A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114570182A (en) * | 2020-11-30 | 2022-06-03 | 中国科学院过程工程研究所 | Anti-blocking purification device and method for ammonia-containing tail gas |
| CN114570182B (en) * | 2020-11-30 | 2024-05-03 | 中国科学院过程工程研究所 | Anti-blocking purification device and method for ammonia-containing tail gas |
-
2018
- 2018-01-11 CN CN201810026175.8A patent/CN108097001A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114570182A (en) * | 2020-11-30 | 2022-06-03 | 中国科学院过程工程研究所 | Anti-blocking purification device and method for ammonia-containing tail gas |
| CN114570182B (en) * | 2020-11-30 | 2024-05-03 | 中国科学院过程工程研究所 | Anti-blocking purification device and method for ammonia-containing tail gas |
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