CN109160523A - A kind of gas ammonia prepares the system and method for ammonium hydroxide - Google Patents
A kind of gas ammonia prepares the system and method for ammonium hydroxide Download PDFInfo
- Publication number
- CN109160523A CN109160523A CN201811330403.7A CN201811330403A CN109160523A CN 109160523 A CN109160523 A CN 109160523A CN 201811330403 A CN201811330403 A CN 201811330403A CN 109160523 A CN109160523 A CN 109160523A
- Authority
- CN
- China
- Prior art keywords
- ammonia
- ammonium hydroxide
- gas
- liquefied
- pipeline
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 title claims abstract description 557
- 229910021529 ammonia Inorganic materials 0.000 title claims abstract description 260
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 title claims abstract description 87
- 239000000908 ammonium hydroxide Substances 0.000 title claims abstract description 86
- 238000000034 method Methods 0.000 title claims abstract description 26
- 235000011114 ammonium hydroxide Nutrition 0.000 claims abstract description 96
- 238000005057 refrigeration Methods 0.000 claims abstract description 36
- 238000007710 freezing Methods 0.000 claims abstract description 30
- 230000008014 freezing Effects 0.000 claims abstract description 30
- 239000006096 absorbing agent Substances 0.000 claims abstract description 25
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 22
- 238000003786 synthesis reaction Methods 0.000 claims abstract description 22
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 4
- 230000001105 regulatory effect Effects 0.000 claims description 13
- 239000013589 supplement Substances 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 17
- 238000001704 evaporation Methods 0.000 description 8
- 230000008020 evaporation Effects 0.000 description 6
- KHTPCDDBDQRIRX-UHFFFAOYSA-N azane;hydrate Chemical compound N.[NH4+].[OH-] KHTPCDDBDQRIRX-UHFFFAOYSA-N 0.000 description 5
- 230000008676 import Effects 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 4
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 241000209140 Triticum Species 0.000 description 1
- 235000021307 Triticum Nutrition 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000026676 system process Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C1/00—Ammonia; Compounds thereof
- C01C1/02—Preparation, purification or separation of ammonia
- C01C1/022—Preparation of aqueous ammonia solutions, i.e. ammonia water
Abstract
The present invention relates to the system and methods that a kind of gas ammonia prepares ammonium hydroxide, including synthesis ammonia system, ammonia cooler, refrigeration system, freezing liquefied ammonia sulculus and ammonium hydroxide system processed, the process gas of the synthesis ammonia system enters ammonia cooler, ammonia cooler is connected to refrigeration system by gas ammonia pipeline, and the refrigeration system generates liquefied ammonia and is stored in freezing liquefied ammonia sulculus；It freezes liquefied ammonia sulculus and provides condensing agent to ammonia cooler by liquefied ammonia pipeline；It further include gas ammonia ammonia water pipeline, the ammonium hydroxide system processed includes super ammonia absorber, and on gas ammonia pipeline, outlet is connected to the entrance of the gas ammonia ammonia water pipeline with an entrance of super ammonia absorber.The present invention solves the technical issues of high existing ammonium hydroxide system power dissipation processed, low efficiency, and the present invention mainly directly prepares ammonium hydroxide with the gas ammonia that ammonia cooler comes out, and reduces the power consumption of ice maker, while improving the efficiency of ammonium hydroxide processed.
Description
Technical field
The invention belongs to ammonium hydroxide preparation fields, and in particular to a kind of gas ammonia prepares the system and method for ammonium hydroxide.
Background technique
In ammonia synthesis process, having an auxiliary system is exactly the refrigeration system of ammonia synthesis, for ammonia synthesis system
Process gas cooling, has reached the mesh of separation liquefied ammonia.The liquefaction of gas ammonia include compression and condensation, gas ammonia after ice maker compresses, into
Enter evaporative condenser, gas ammonia is condensed into liquefied ammonia by cooling water, is finally sent into freezing liquefied ammonia sulculus.It will by freezing liquefied ammonia sulculus
Liquefied ammonia gives in ammonia cooler or other desired workshop section.With the development of environmental protection technology, many enterprises require ammonium hydroxide come into
Row desulfurization is out of stock, and ammonium hydroxide market demand is very big, freezes liquefied ammonia sulculus for liquefied ammonia and is routed directly to ammonium hydroxide system processed.
In view of this refrigeration system in ammonia synthesis process is a relatively important system, directly restricts
Hydrazine yield is synthesized, but existing refrigeration system has the following deficiencies:
1, the refrigeration system of ammonia synthesis process needs powerful ice maker to compress gas ammonia, reduces gas ammonia with evaporative condenser
Temperature is allowed to become liquefied ammonia, is recycled.Cryogenic temperature is lower, and the effect for separating liquefied ammonia is better；The production of synthesis ammonia system is negative
Lotus is bigger, and the load of refrigeration system is also bigger.This there is ice maker, and energy consumption is high, especially in summer, hot weather when
It waits, refrigeration system temperature is high, and ice maker load is heavier；And plant maintenance amount is big, and equipment investment is big；With the production of synthesis ammonia system
Load is corresponding, and the water that evaporative condenser needs to consume is big.
2, ammonium hydroxide system processed liquefied ammonia ammonium hydroxide, needs to first pass through liquid ammonia evaporator, prepares ammonium hydroxide with the gas ammonia of generation, and one
Aspect needs to lose many energy；Another party's wheat flour ammonium hydroxide low efficiency, ammonium hydroxide processed it is at high cost.
Summary of the invention
The technical issues of in order to solve high existing ammonium hydroxide system power dissipation processed, low efficiency, the present invention provide a kind of freezing system
System gas ammonia prepares the system and method for ammonium hydroxide.Tap installs threeway to the present invention mainly on refrigeration system ice maker intake header,
It is piped ammonium hydroxide system processed, directly prepares ammonium hydroxide with the gas ammonia that ammonia cooler comes out, reduces the power consumption of ice maker, while improving ammonium hydroxide processed
Efficiency.
Technical solution of the invention:
A kind of system that gas ammonia prepares ammonium hydroxide, including synthesis ammonia system, ammonia cooler, refrigeration system, freezing liquefied ammonia sulculus and
Ammonium hydroxide system processed, the process gas of the synthesis ammonia system enter ammonia cooler, and ammonia cooler is connected to refrigeration system by gas ammonia pipeline,
The refrigeration system generates liquefied ammonia and is stored in freezing liquefied ammonia sulculus；It freezes liquefied ammonia sulculus and is provided by liquefied ammonia pipeline to ammonia cooler
Condensing agent；It is characterized in that further include gas ammonia ammonia water pipeline, and the ammonium hydroxide system processed includes super ammonia absorber, described
On gas ammonia pipeline, outlet is connected to the entrance of gas ammonia ammonia water pipeline with an entrance of super ammonia absorber.
Further, the ammonium hydroxide system processed further includes liquid ammonia evaporator and Ammonia vessel, the liquid ammonia evaporator
Entrance connects liquid ammonia ball tank, and the outlet of the liquid ammonia evaporator connects another entrance of super ammonia absorber, the outlet of super ammonia absorber
Connect Ammonia vessel.
Further, the refrigeration system includes sequentially connected ice maker and evaporative condenser, the ice maker entrance ammonia
The outlet of cooler connection, the vaporation-type cold air device is connect with freezing liquefied ammonia sulculus, evaporative condenser and freezing liquefied ammonia sulculus
Temperature sensor is provided on the pipeline of connection；The first regulating valve is provided on the liquefied ammonia pipeline.
Further, the gas ammonia ammonia water pipeline is provided with the second regulating valve, is provided with cut-off on the gas ammonia pipeline
Valve.
Further, the liquid ammonia ball tank feeds pipeline by liquefied ammonia and supplements liquefied ammonia, the liquefied ammonia to freezing liquefied ammonia sulculus
It is provided with liquidometer in sulculus supplement liquefied ammonia, is provided with third regulating valve on the supply pipeline.
Further, the 4th regulating valve is provided in the connecting pipe with liquid ammonia ball tank of the liquid ammonia evaporator.
The present invention provides a kind of method that gas ammonia prepares ammonium hydroxide, comprising the following steps:
1) process gas by ammonia cooler carries out gas-liquid separation in synthesis ammonia system；
2) gas ammonia isolated enters ammonium hydroxide system processed, and extra gas ammonia enters refrigeration system.
Further, step 2) isolates the super ammonia absorber that gas ammonia enters ammonium hydroxide system processed.
Further, when ammonium hydroxide demand is big, liquid ammonia ball tank feeds liquefied ammonia to the liquid ammonia evaporator of ammonium hydroxide system processed；Together
When turn off the access that extra gas ammonia enters refrigeration system.
Advantage for present invention:
The liquefied ammonia evaporation that is utilized of high degree of the present invention is to absorb a large amount of thermal properties, refrigeration system and ammonium hydroxide system processed
System connects well, has achieved the purpose that energy-saving.It has the advantage that
1, the gas ammonia of refrigeration system directly goes ammonium hydroxide system processed, reduces ice maker load, it might even be possible to ice maker be cut off, dropped
Low power consumption reduces cost of equipment maintenance.
2, the characteristic of liquefied ammonia evaporation endothermic is greatly utilized, liquefied ammonia can be supplemented, in ammonia synthesis according to refrigeration system temperature
When system loading is big or when hot weather, control cryogenic temperature can be very good, without worrying the big problem of ice maker load.
3, ammonium hydroxide system processed eliminates the link of liquefied ammonia evaporation, improves the efficiency of ammonium hydroxide processed directly with gas ammonia ammonium hydroxide,
Reduce the cost of ammonium hydroxide processed.
4, in ammonium hydroxide preparation method of the invention, while two kinds of techniques being had both, gas ammonia prepares ammonium hydroxide, and liquefied ammonia prepares ammonium hydroxide,
It mutually compensates, improves the efficiency of the preparation of ammonium hydroxide.
Detailed description of the invention
Fig. 1 is the system schematic that the present invention prepares ammonium hydroxide.
Specific embodiment
Embodiment 1: a kind of system that gas ammonia prepares ammonium hydroxide, including synthesis ammonia system, ammonia cooler, refrigeration system, freezing liquid
Ammonia sulculus, ammonium hydroxide system processed and gas ammonia ammonia water pipeline, the process gas of synthesis ammonia system enter ammonia cooler, and ammonia cooler and freezing are
System is connected to by gas ammonia pipeline, and refrigeration system generates liquefied ammonia and is stored in freezing liquefied ammonia sulculus；Freezing liquefied ammonia sulculus passes through liquefied ammonia
Pipeline provides condensing agent to ammonia cooler；Ammonium hydroxide system processed includes super ammonia absorber, and the entrance of gas ammonia ammonia water pipeline is in gas ammonia pipe
On road, outlet is connected to an entrance of super ammonia absorber.Tap increases on the ammonia pipeline of ammonia cooler gas ammonia to ice maker import
Aerating ammonia ammonia water pipeline, gas ammonia is sent back in super ammonia absorber, and super ammonia absorber is prepared with the gas ammonia that refrigeration system is sent
Ammonium hydroxide.Liquefied ammonia is persistently added in the liquefied ammonia sulculus of refrigeration system, reduces refrigeration system temperature with the characteristic of liquefied ammonia evaporation endothermic
Degree, and the gas ammonia of liquefied ammonia evaporation is directly sent to ammonium hydroxide system and ammonium hydroxide is made, and does not need ice maker compression gas ammonia circulation, reduces the energy and disappears
Consumption.And ammonium hydroxide efficiency processed can also be improved with gas ammonia ammonium hydroxide, reduce consumption.
Embodiment 2: the preparation efficiency in order to improve ammonium hydroxide, ammonium hydroxide system processed include liquid ammonia evaporator and Ammonia vessel,
The entrance of liquid ammonia evaporator is connect into liquid ammonia ball tank, the outlet of liquid ammonia evaporator connects another entrance of super ammonia absorber, super suction
The outlet of ammonia device connects Ammonia vessel.The 4th regulating valve is provided in the connecting pipe with liquid ammonia ball tank of liquid ammonia evaporator.The reality
It applies example and gas ammonia prepared into ammonium hydroxide prepares ammonium hydroxide with liquefied ammonia and combine.
When ammonium hydroxide demand is big, all gas ammonias of ammonia cooler are all sent to super ammonia absorber ammonium hydroxide, if at this time can't
Meet and use, opens supplement liquefied ammonia ammonium hydroxide.So the ice maker of refrigeration system and evaporative condenser are all cut off, and are continuously ammonia
Cooler supplements liquefied ammonia, and gas ammonia all goes super ammonia absorber to prepare ammonium hydroxide.Ice maker power consumption can be saved in this way and evaporates cold power consumption, ammonia
Cooler temperature can also control well.
Ammonium hydroxide demand hour, the part gas ammonia of ammonia cooler remove ammonium hydroxide processed, and part gas ammonia still goes ice maker import through over-voltage
Refrigeration system liquefied ammonia sulculus is returned to after contracting and evaporative condenser, liquid ammonia ball tank stops providing liquefied ammonia to liquid ammonia evaporator at this time.In this way
Ice maker load can be reduced, while power consumption can also be reduced.
Embodiment 3: a kind of system that gas ammonia prepares ammonium hydroxide, refrigeration system include sequentially connected ice maker and evaporating type condensing
The outlet of device, the connection of ice maker entrance ammonia cooler, vaporation-type cold air device is connect with freezing liquefied ammonia sulculus, evaporative condenser and freezing
Temperature sensor is provided on the pipeline of liquefied ammonia sulculus connection；The first regulating valve is provided on liquefied ammonia pipeline, it can be according to freezing
System temperature supplements liquefied ammonia.Liquefied ammonia is persistently added to ammonia cooler by freezing liquefied ammonia sulculus, is mended ammonia amount and is used according to the temperature of ammonia cooler
Self-adjusting valve control；
Embodiment 5: a kind of system that gas ammonia prepares ammonium hydroxide, liquid ammonia ball tank feed pipeline to freezing liquefied ammonia sulculus by liquefied ammonia
Liquefied ammonia is supplemented, liquidometer is provided in liquefied ammonia sulculus supplement liquefied ammonia, feeds and be provided with third regulating valve on pipeline.Liquid ammonia ball tank
Liquefied ammonia persistently adds to freezing liquefied ammonia sulculus, mends ammonia amount and is controlled according to sulculus liquid level self-regulated.
Total system of the present invention increases self-adjusting valve and measure and control instrument, and all measuring and control datas are pooled to DCS system, realizes total system
It is automatic controllable.According to payload adjusting process operational mode, to greatest extent energy conservation and optimization.
Embodiment 6: the structure, connection relationship and positional relationship of product is described in detail in integrated structure schematic diagram.
Diagram 1: the process gas of ammonia synthesis system exchanges heat into ammonia cooler and cools down；
Diagram 2: going out ammonia cooler after the process gas heat exchange of ammonia synthesis system is cooling, returns to ammonia synthesis system separation liquefied ammonia；
Diagram 3: after ammonia cooler heat exchange, liquefied ammonia is evaporated to gas ammonia, is sent to ice maker import；
Diagram 4: gas ammonia is sent to evaporative condenser after ice maker compresses；
Diagram 5: compressed gas ammonia becomes liquefied ammonia after evaporating type condensing, is sent to freezing liquefied ammonia sulculus；
Diagram 6: the liquefied ammonia of freezing liquefied ammonia sulculus adds to ammonia cooler；
Diagram 7: liquid ammonia ball tank is that freezing liquefied ammonia sulculus supplements liquefied ammonia；
Diagram 8: liquid ammonia ball tank is the liquid ammonia evaporator supplement liquefied ammonia of ammonium hydroxide system processed；
Diagram 9: the gas ammonia of the liquid ammonia evaporator evaporation of ammonium hydroxide system processed is sent to super ammonia absorber and prepares ammonium hydroxide；
Diagram 10: the ammonium hydroxide that super ammonia absorber prepares is sent to Ammonia vessel；
Diagram 11: ammonia cooler gas ammonia goes super ammonia absorber to prepare ammonium hydroxide；
The working principle of the invention or working method:
Diagram 1 and diagram 2 exchange heat for ammonia synthesis technology gas in ammonia cooler, reduce process gas temperature, separate liquefied ammonia.
Process flow of the invention are as follows: the liquefied ammonia of 7 liquid ammonia ball tanks of diagram persistently adds to freezing liquefied ammonia sulculus, mends ammonia amount root
It is controlled according to sulculus liquid level self-regulated；Liquefied ammonia is persistently added to ammonia cooler by 6 freezing liquefied ammonia sulculus of diagram, mends ammonia amount according to ammonia cooler
Temperature is controlled with self-adjusting valve；Diagram 11, gas ammonia is sent back to super suction by the tap on the pipeline of ammonia cooler gas ammonia to ice maker import
The ammonia gas pipeline of ammonia device, super ammonia absorber prepare ammonium hydroxide with the gas ammonia that refrigeration system is sent.
When ammonium hydroxide demand is big, all gas ammonias of ammonia cooler are all sent to super ammonia absorber ammonium hydroxide, replenisher when inadequate
Ammonia ammonium hydroxide.The ice maker and evaporative condenser of refrigeration system can all be cut off in this way, be continuously ammonia cooler supplement liquefied ammonia,
Gas ammonia all goes super ammonia absorber to prepare ammonium hydroxide.Ice maker power consumption can be saved in this way and evaporates cold power consumption, and ammonia cooler temperature also can
Control well.
Ammonium hydroxide demand hour, the part gas ammonia of ammonia cooler remove ammonium hydroxide processed, and part gas ammonia still goes ice maker import through over-voltage
Refrigeration system liquefied ammonia sulculus is returned to after contracting and evaporative condenser.It thus can reduce ice maker load, reduce power consumption.
Claims (9)
1. the system that a kind of gas ammonia prepares ammonium hydroxide, including synthesis ammonia system, ammonia cooler, refrigeration system, freezing liquefied ammonia sulculus and system
Ammonium hydroxide system, the process gas of the synthesis ammonia system enter ammonia cooler, and ammonia cooler is connected to refrigeration system by gas ammonia pipeline, institute
Refrigeration system generation liquefied ammonia is stated to be stored in freezing liquefied ammonia sulculus；It is cold to ammonia cooler offer by liquefied ammonia pipeline to freeze liquefied ammonia sulculus
Solidifying agent；It is characterized by also including gas ammonia ammonia water pipeline, the ammonium hydroxide system processed includes super ammonia absorber, the gas ammonia system
On gas ammonia pipeline, outlet is connected to the entrance of ammonia water pipeline with an entrance of super ammonia absorber.
2. the system that gas ammonia according to claim 1 prepares ammonium hydroxide, it is characterised in that: the ammonium hydroxide system processed further includes liquid
Ammonia evaporator and Ammonia vessel, the entrance of the liquid ammonia evaporator connect liquid ammonia ball tank, and the outlet of the liquid ammonia evaporator connects super
Another entrance of grade ammonia absorber, the outlet of super ammonia absorber connects Ammonia vessel.
3. the system that gas ammonia according to claim 1 prepares ammonium hydroxide, it is characterised in that: the refrigeration system includes successively connecting
The ice maker and evaporative condenser connect, the ice maker entrance ammonia cooler connection, the outlet of the vaporation-type cold air device and freezing liquid
Ammonia sulculus connects, and is provided with temperature sensor on the pipeline that evaporative condenser is connect with freezing liquefied ammonia sulculus；The liquid ammonia tube
The first regulating valve is provided on road.
4. the system that gas ammonia according to claim 1 prepares ammonium hydroxide, it is characterised in that: the gas ammonia ammonia water pipeline setting
There is the second regulating valve, is provided with shut-off valve on the gas ammonia pipeline.
5. the system that gas ammonia according to claim 2 prepares ammonium hydroxide, it is characterised in that: the liquid ammonia ball tank is mended by liquefied ammonia
Liquefied ammonia is supplemented to freezing liquefied ammonia sulculus to pipeline, is provided with liquidometer, the supply pipeline in the liquefied ammonia sulculus supplement liquefied ammonia
On be provided with third regulating valve.
6. the system that gas ammonia according to claim 5 prepares ammonium hydroxide, it is characterised in that: the liquid ammonia evaporator and liquefied ammonia
The 4th regulating valve is provided in the connecting pipe of spherical tank.
7. a kind of method that gas ammonia prepares ammonium hydroxide, it is characterised in that the following steps are included:
1) process gas by ammonia cooler carries out gas-liquid separation in synthesis ammonia system；
2) gas ammonia isolated enters ammonium hydroxide system processed, and extra gas ammonia enters refrigeration system.
8. the method that gas ammonia according to claim 7 prepares ammonium hydroxide, it is characterised in that: step 2) isolates gas ammonia and enters system
The super ammonia absorber of ammonium hydroxide system.
9. the method that gas ammonia according to claim 7 or 8 prepares ammonium hydroxide, it is characterised in that: when ammonium hydroxide demand is big, liquid
Ammonia spherical tank feeds liquefied ammonia to the liquid ammonia evaporator of ammonium hydroxide system processed；Simultaneously turn off the access that extra gas ammonia enters refrigeration system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811330403.7A CN109160523A (en) | 2018-11-09 | 2018-11-09 | A kind of gas ammonia prepares the system and method for ammonium hydroxide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811330403.7A CN109160523A (en) | 2018-11-09 | 2018-11-09 | A kind of gas ammonia prepares the system and method for ammonium hydroxide |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109160523A true CN109160523A (en) | 2019-01-08 |
Family
ID=64876857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811330403.7A Pending CN109160523A (en) | 2018-11-09 | 2018-11-09 | A kind of gas ammonia prepares the system and method for ammonium hydroxide |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109160523A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1887707A (en) * | 2006-07-12 | 2007-01-03 | 宋三奎 | Process of producing ammonium nitrate with exhausted gas from synthetic ammonia freezing system |
| WO2009109036A1 (en) * | 2008-03-04 | 2009-09-11 | Thermalfrost Inc. | Ammonia refrigeration system |
| CN202470617U (en) * | 2012-03-26 | 2012-10-03 | 新疆宜化化工有限公司 | Gas ammonia compressing and condensing system |
| CN203053107U (en) * | 2012-12-20 | 2013-07-10 | 贵州开磷（集团）有限责任公司 | Ammonia processed product cooling system |
| CN103285755A (en) * | 2013-06-24 | 2013-09-11 | 天津市奥利达设备工程技术有限公司 | Coiled pipe integrated machine used for preparation of ammoniacal liquor |
| CN204454614U (en) * | 2015-03-19 | 2015-07-08 | 苏州晶瑞化学有限公司 | A kind of high-purity ammonia water continuous production device |
| CN204574696U (en) * | 2014-12-13 | 2015-08-19 | 重庆华强投资集团有限公司 | Synthetic ammonia freezing system |
-
2018
- 2018-11-09 CN CN201811330403.7A patent/CN109160523A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1887707A (en) * | 2006-07-12 | 2007-01-03 | 宋三奎 | Process of producing ammonium nitrate with exhausted gas from synthetic ammonia freezing system |
| WO2009109036A1 (en) * | 2008-03-04 | 2009-09-11 | Thermalfrost Inc. | Ammonia refrigeration system |
| CN202470617U (en) * | 2012-03-26 | 2012-10-03 | 新疆宜化化工有限公司 | Gas ammonia compressing and condensing system |
| CN203053107U (en) * | 2012-12-20 | 2013-07-10 | 贵州开磷（集团）有限责任公司 | Ammonia processed product cooling system |
| CN103285755A (en) * | 2013-06-24 | 2013-09-11 | 天津市奥利达设备工程技术有限公司 | Coiled pipe integrated machine used for preparation of ammoniacal liquor |
| CN204574696U (en) * | 2014-12-13 | 2015-08-19 | 重庆华强投资集团有限公司 | Synthetic ammonia freezing system |
| CN204454614U (en) * | 2015-03-19 | 2015-07-08 | 苏州晶瑞化学有限公司 | A kind of high-purity ammonia water continuous production device |
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Application publication date: 20190108 |