CN105478023B - Ammoniacal liquor preparation system - Google Patents
Ammoniacal liquor preparation system Download PDFInfo
- Publication number
- CN105478023B CN105478023B CN201610000668.5A CN201610000668A CN105478023B CN 105478023 B CN105478023 B CN 105478023B CN 201610000668 A CN201610000668 A CN 201610000668A CN 105478023 B CN105478023 B CN 105478023B
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- Prior art keywords
- ammonia
- ammoniacal liquor
- water
- housing
- pipe
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F21/00—Dissolving
- B01F21/20—Dissolving using flow mixing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/70—Pre-treatment of the materials to be mixed
- B01F23/711—Heating materials, e.g. melting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/40—Static mixers
- B01F25/42—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions
- B01F25/421—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions by moving the components in a convoluted or labyrinthine path
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/40—Static mixers
- B01F25/45—Mixers in which the materials to be mixed are pressed together through orifices or interstitial spaces, e.g. between beads
- B01F25/452—Mixers in which the materials to be mixed are pressed together through orifices or interstitial spaces, e.g. between beads characterised by elements provided with orifices or interstitial spaces
- B01F25/4524—Mixers in which the materials to be mixed are pressed together through orifices or interstitial spaces, e.g. between beads characterised by elements provided with orifices or interstitial spaces the components being pressed through foam-like inserts or through a bed of loose bodies, e.g. balls
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/90—Heating or cooling systems
- B01F35/92—Heating or cooling systems for heating the outside of the receptacle, e.g. heated jackets or burners
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/90—Heating or cooling systems
- B01F2035/98—Cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
- B01F2101/48—Mixing water in water-taps with other ingredients, e.g. air, detergents or disinfectants
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Sorption Type Refrigeration Machines (AREA)
Abstract
The present invention provides a kind of high production efficiency, safety, the ammoniacal liquor preparation system that can produce a variety of concentration ammoniacal liquor, and it includes ammoniacal liquor preparing device；The ammoniacal liquor preparing device it include being used to mix the ammonia and process water of entrance and form the static mixer of ammoniacal liquor；The technique water inlet of the static mixer passes through the connection corresponding with process water offer source of VFC pump；The ammonia source import of the ammoniacal liquor preparing device passes through quick action emergency valve connection corresponding with ammonia offer source；Also include being used for the pressure monitor for monitoring pressure in the static mixer；Also include controller, the connection corresponding with the controller of the pressure monitor, VFC pump and the quick action emergency valve；The system can be applicable ammonia source, the multiple-quality water of a variety of credit ratings, while electron level ammoniacal liquor and the industrial ammonia of less than 35% various concentration can be manufactured according to user's request through the present apparatus when preparing industrial ammonia；The system has the advantages such as heat exchange efficiency height, ant-scaling simultaneously.
Description
Technical field
The present invention relates to ammoniacal liquor preparing technical field, more particularly to a kind of ammoniacal liquor preparation system.
Background technology
For ammoniacal liquor as a kind of aqueous solution of ammonia, it has application in the every field such as military affairs, agricultural, industry；At present
Domestic ammoniacal liquor Preparation equipment is all divided into industrial ammonia, electron level ammoniacal liquor, SILVER REAGENT ammoniacal liquor preparation facilities, and the said equipment makes
There is unicity in, i.e., a kind of equipment can not be used to prepare the ammoniacal liquor of various grades, and most equipment can only prepare industry
Level ammoniacal liquor.And such as current most popular industrial ammonia preparation facilities, such as " super ammonia absorber ", although with traditional technique phase
Than being improved, have many good qualities, but also have following deficiency.Such as：1）Industrial ammonia, supporting pure water making machine can only be prepared
The electron level for requiring higher, SILVER REAGENT ammoniacal liquor can not be prepared, it is impossible to produce series of products and accomplish one-machine-multi-function, at present state's interior energy
The device for producing high-grade ammoniacal liquor is all that big equipment investment, complex process, high energy consumption and specific yield are low.2）Easy fouling, to match somebody with somebody
Set pure water making machine could prepare industrial ammonia, supporting pure water making machine can increase installation area, increase investment and
Increase operating cost.3）High is required to ammonia source, is limited by technique and equipment, it is impossible to the low liquefied ammonia of use quality grade, useless ammonia
With recovery ammonia, need to eat " smart grain ", it is impossible to eat " coarse food grain ".4）Energy utilization is poor, and ammoniacal liquor preparation process has hot and cold two kinds of energy volume production
Raw, domestic ammoniacal liquor preparation facilities at most utilizes the hot and cold energy in part, most of energy dissipation in process of production at present.5）
Ammonia temperature is uncontrollable, and heat exchanger heat exchange area is fixed, ammonia temperature positive change with temperature Change, it is impossible to according to need
Ammonia temperature is adjusted, for example then ammonia temperature is high for summer temp height, is unfavorable for the preparation of high concentration ammoniacal liquor（Summer ammonia concn<
30%）With ammoniacal liquor accumulating.6）Energy utilization is poor, there is hot and cold two kinds of energy productions in ammoniacal liquor preparation process；I.e. by ammonia to ammoniacal liquor
It is two processes in fact, 1. LNH3 --- its heat of gasification of → GNH3-Q is △ H ≈ 320kcal/kg for the evaporation gasification of liquefied ammonia
（Per kilogram ammonia, about absorb heat 320 kilocalories）2. ammonia and water reaction NH（g）3+H2O-→ NH4OH+Q this be a heat release
Reaction, its reaction heat △ H reaction heat=480kcal/kg ammonia（I.e. per kilogram ammonia and water reaction produce the heat of 480 kilocalories）This
A cold heat, especially the low-temperature energy sources below 30 DEG C of ﹣ have very high value in chemical industry cryogenic freezing field.And domestic at present
Ammoniacal liquor preparation facilities at most utilizes part cold in process of production or heat energy, causes most of energy dissipation；And if by ammoniacal liquor
The utilization that caused cold and hot two kinds of energy is integrated in preparation process can then bring huge economic benefit and drop to enterprise
The input cost of low enterprise, while be also a kind of utilization of synthesis in itself to the energy.
Such as China Patent No. be " 2006200503389 " shown in " a kind of device for quick preparing industrial ammonia water ", its
Be in use by the formation of the gasification of liquefied ammonia to ammoniacal liquor and cooling be integration equipment in formed, using shown in the patent
Equipment the shortcomings of being likewise supplied with easy fouling described above in use, " coarse food grain can not being eaten ", in ammoniacal liquor preparation process, its
The combination of ammonia and water is especially important step because this is related to the safety in whole production, particularly by ammonia with
Phenomena such as huge anti-force easily occurs and rocks, shake during forming ammoniacal liquor after water mixing, while also can be short
Occur the problems such as pressure rise in time, cause this equipment that there is larger danger in use, while it is special to also result in this
Structure shown in profit is only capable of small-scale production in use, it is impossible to realizes a wide range of large-scale use, limitation is big, efficiency
It is low.
The content of the invention
It is an object of the invention to overcome the deficiencies in the prior art, adapts to real needs, there is provided a kind of production efficiency is high, peace
Entirely, the ammoniacal liquor preparation system of a variety of concentration ammoniacal liquor can be produced.
In order to realize the purpose of the present invention, the technical solution adopted in the present invention is：
A kind of ammoniacal liquor preparation system is designed, it includes ammoniacal liquor preparing device；The ammoniacal liquor preparing device it include be used for enter
Ammonia and process water mixed and form the static mixer of ammoniacal liquor；The technique water inlet of the static mixer passes through frequency conversion
Controlling pump connection corresponding with process water offer source；The ammonia source import of the ammoniacal liquor preparing device provides source by quick action emergency valve and ammonia
Corresponding connection；Also include being used for the pressure monitor for monitoring pressure in the static mixer；Also include controller, the pressure
The connection corresponding with the controller of monitor, VFC pump and the quick action emergency valve；
It includes the internal housing for middle cavity with the static mixer, and the technique water inlet is arranged on the housing
Top simultaneously connects with the middle cavity in the housing, the ammonia imports be arranged on the bottom of the housing and with the housing
The connection of middle cavity, the port of export of the ammonia imports sets down；The ammoniacal liquor outlet is arranged on the middle and upper part of the housing
And connected with the middle cavity in the housing；The pressure monitor is arranged at the top of the housing, in the housing
Pressure be monitored；Discharge pressure pipe is additionally provided with the top of the housing, and purge valve is additionally provided with the discharge pressure pipe；
The distributor that drenches with rain is additionally provided with the port of export of technique water inlet in the housing；
Ammonia distributor, the outlet of the ammonia distributor are provided with the port of export of ammonia imports in the housing
Mouth down is set；The ammonia distributor it include docked with the port of export of the ammonia imports connecting tube, be uniformly distributed in
A number of ammonia distributor pipe in the connecting tube circumferential edge, the ammonia distributor pipe pass through connecting tube and the ammonia imports
Connection, ammonia spout is offered on the lower section tube wall of the ammonia distributor pipe；The ammonia distributor pipe is located at same level
And rounded it is uniformly distributed；Ammonia spout on the ammonia distributor pipe is arranged to be multiple, and along the ammonia distributor pipe
Axial direction is uniformly distributed；The aperture of the ammonia spout is 0.50mm-20.0mm.
Preferably, the controller includes PLC, in addition to is arranged at the static mixer side wall and is arranged at the ammonia
Multiple ammonia alarms of water preparing device sidepiece, ammonia alarm connection also corresponding with the controller.
Preferably, the ammoniacal liquor preparing device it also include be used for by liquid ammonia gasification for ammonia liquid ammonia vaporization device, for pair
The main heat exchanger for the ammoniacal liquor drop heat that static mixer is formed；Ammonia outlet and the static mixer on the liquid ammonia vaporization device
On ammonia imports it is corresponding connect, the ammoniacal liquor outlet of the static mixer is corresponding with the main heat exchanger to be connected；The liquefied ammonia
Vaporizer, static mixer and main heat exchanger three are independent separate body structure；Also include outer package housing, the liquid ammonia vaporization
Device, static mixer and main heat exchanger three encapsulate via the outer package housing；
Ammonia source import is the liquefied ammonia import being arranged on the liquid ammonia vaporization device and is arranged at the static mixer
On ammonia imports；The liquefied ammonia import passes through the connection corresponding with liquefied ammonia offer source of the first quick action emergency valve, the static mixing
Ammonia imports on device also pass through the connection also corresponding with ammonia offer source of the second quick action emergency valve.
Preferably, it is additionally provided with the housing to drench with rain between distributor and the ammonia distributor a number of
Pall ring, the Pall ring accumulation are arranged on the lower supporting network in housing；It is additionally provided with and props up in the upper end of the Pall ring
Net is supportted, a number of Pall ring is piled up between supporting network and lower supporting network；The ammoniacal liquor outlet is arranged at described
Between upper supporting network and the distributor that drenches with rain.
Preferably, the main heat exchanger is spiral winding tube type heat exchanger；The spiral winding tube type heat exchanger includes upper
More spiral winding pipes have the tank body of opening, being arranged in the tank body and it is arranged at the tank interior up and down two
The overhead gage and lower baffle plate at end, the more spiral winding pipes are arranged between overhead gage and lower baffle plate；The more spirals twine
Upper end open around pipe is set through the overhead gage, and is connected with the upper end open of the tank body and formed ammoniacal liquor import；It is described
The lower ending opening of more spiral winding pipes is set through the lower baffle plate, and is connected with the lower ending opening of the tank body and formed ammoniacal liquor
Delivery outlet；And the recirculated water water outlet of the regional connectivity between overhead gage and lower baffle plate is additionally provided with the middle and upper part of the tank body
Mouthful, and it is additionally provided with the middle and lower part of the tank body recirculated water water inlet of the regional connectivity between overhead gage and lower baffle plate；
In the more spiral winding pipes gap is provided between the outer tube wall of two neighboring spiral winding pipe；At described more
Projection is provided with the inwall of every spiral winding pipe in spiral winding pipe；It is arranged on every spiral winding inside pipe wall
Projection is circular protrusion or is the helical form projection for surrounding the setting of its inwall；The every spiral in the more spiral winding pipes
Projection or groove are provided with the outer wall of winding pipe；The projection or groove being arranged in the every spiral winding pipe outer wall are ring
Shape projection or annular recess, or the projection or groove being arranged in the every spiral winding pipe outer wall be helical form projection or
Helical groove.
Preferably, the system it also include cold energy source range site and heat energy range site, the cold using energy source list
Member it include the first water extraction supply source for being connected with the water inlet on the liquid ammonia vaporization device and with the liquid ammonia vaporization device
The cold water energy utilization device of delivery port connection；It will be gone out by the cold water energy utilization device through liquid ammonia vaporization device cold
Water is stored or by the energy transfer in the cold water；The cold water energy utilization device it include and the liquid ammonia vaporization device
On delivery port connection the second radiator,
The heat energy range site it include the second water extraction for being connected with the recirculated water water inlet on the main heat exchanger
Supply source and the hot water energy utilization device connected with the recirculated water delivery port on the main heat exchanger, pass through the hot water energy
The hot water gone out through main heat exchanger is stored using device or by the energy transfer in the hot water；The hot water using energy source
Device it include the first radiator for being connected with the recirculated water delivery port on the main heat exchanger.
Preferably, in addition to ammoniacal liquor storage tank, the ammoniacal liquor storage tank pass through in the first control valve and the main heat exchanger
Ammoniacal liquor delivery outlet connection；Ammoniacal liquor outlet is additionally provided with the bottom of the ammoniacal liquor storage tank, and on the ammoniacal liquor outlet also
Provided with ammonium hydroxide delivery pump.
Preferably, in addition to ammonia tourie, the ammonia inlet pipe that is arranged in the ammonia tourie, the ammonia inlet pipe
The port of export be arranged at below the liquid level in the ammonia tourie, and the ammonia inlet pipe is deposited by pipeline and the ammoniacal liquor
The top connection of storage tank, and the ammonia discharged via ammoniacal liquor storage tank passes sequentially through pipeline, ammonia inlet pipe is inhaled into the ammonia
In closed cans.
Preferably, in addition to it is internal be hollow structure ammonia double absorption tower, the bottom of the ammonia double absorption tower
Connected with the top of the ammonia tourie, the top inside the ammonia double absorption tower is provided with spray head, the spray
Head is connected by supply-water pump with water source；Be additionally provided with the top of the ammonia double absorption tower with the ammonia double absorption tower
The relief tube of portion's cavity connection, the internal cavities of the ammonia double absorption tower are in communication with the outside by the relief tube.
Preferably, in addition to more concentration ammoniacal liquor storage tanks, the top of more concentration ammoniacal liquor storage tanks is provided with least one
Feed tube, and it is additionally provided with liquid inlet control valve on the feed tube；The bottom of more concentration ammoniacal liquor storage tanks passes sequentially through
The connection corresponding with the ammonia tourie of two control valves, transition pump, the 3rd control valve.
The beneficial effects of the present invention are：
1. each device in ammoniacal liquor preparing device in the system is using the design of Split type structure with existing using integrated
The equipment of design is compared, and there is volume can become smaller, more efficient advantage, while used using split type mechanism
In can also reduce the rate of breakdown of the present apparatus, be advantageous to the gasification to liquefied ammonia and the cooling of ammoniacal liquor.
2, the system can be applicable the ammonia source of a variety of credit ratings when preparing industrial ammonia（Including gas ammonia, useless ammonia and
Reclaim ammonia）, multiple-quality water（Including running water, underground water and natural water）, while electricity can be manufactured according to user's request through the present apparatus
The industrial ammonia of sub- level ammoniacal liquor and less than 35% various concentration.
Main heat exchanger in 3, the system has the advantages such as heat exchange efficiency height, ant-scaling using spirally-wound tube heat exchanger.
4, are because the main heat exchanger in the system is less scaling, therefore the system can use various water sources in use,
Compared with existing ammoniacal liquor preparation system, the system is not required to the supporting Pure water treatment equipment of extra purchase in use, that is, saves and throw
Money reduces operating cost again.
5, can effectively be utilized two kinds of energy in ammoniacal liquor preparation process by the use of the system, such as
It can be used to warm oneself in winter by the system, summer is used to enjoy the cool；And by the system can very easily by it is cold and hot this two
The external output of kind of the energy utilizes, and realizes making full use of and not wasting for energy, so substantially reduce the investment of enterprise, run into
This reduction simultaneously produces added benefit, realize rate of return on investment is high, return period is short, unit cost is low, comprehensive benefit it is high with
And the advantage that energy-conserving and environment-protective social benefit is good.
6. the system is in production, its ammonia and water reaction are fierce chemical exothermal processes, therefore, pole in the process
The problems such as huge vibrations and air pressure increase easily occurs, and solution of this problem as not in time will cause huge accident to send out
Raw, explosion phenomenon, the life security of crisis Field Force will occur for severe patient, and the static mixer of the design is in use
Above-mentioned technical problem is can solve the problem that, while can play and be uniformly distributed vapour, liquid two-phase, plays a part of essential safety；Adopt simultaneously
It can prevent that cooling water pressure is too low, liquefied ammonia can not vaporize with the system, cause to produce hard hit after liquefied ammonia and water reaction, break
The phenomenon of bad equipment occurs.
8. the present invention also has other advantages, will be proposed in the lump with corresponding structure in embodiment.
Brief description of the drawings
Fig. 1 is primary structure catenation principle schematic diagram of the present invention；
Fig. 2 is the ammoniacal liquor preparing device primary structure catenation principle schematic diagram in the present invention；
Fig. 3 is the static mixer profile status primary structure schematic diagram in the present invention；
Fig. 4 is that the ammonia distributor in the present invention in static mixer looks up state primary structure schematic diagram；
Fig. 5 is the main heat exchanger profile status primary structure schematic diagram in the present invention；
Fig. 6 is the spiral winding pipe partial structurtes and part section structural representation in main heat exchanger in the present invention；
Fig. 7 is cold energy source range site and heat energy range site structural principle connection diagram in the present invention；
In figure：101, VFC pumps；102nd, 103,104, motor-operated control valves；105 the first quick action emergency valves of；106
The second quick action emergency valve；107, circulate water control backwater valve；108 the first control valves of；109, ammoniacal liquor storage tanks；110, ammonia
Water delivery pump；
111, ammonia touries；112, ammonia double absorption towers；113, spray heads；114, relief tubes；115, the 3rd
Control valve；116, transition pumps；117 the second control valves of；The more concentration ammoniacal liquor storage tanks of 118,；119th, 120,121, enter hydraulic control
Valve processed；200, ammoniacal liquor preparing devices；210, liquid ammonia vaporization devices；211, ammonia outlets；212, liquefied ammonia imports；213, liquefied ammonia vapour
Change the delivery port on device；Water inlet on 214, liquid ammonia vaporization devices；230, static mixers；231, ammonia imports；232 .
Technique water inlet；233, ammoniacal liquor export；234, tank bodies；235, Pall rings；Supporting network under 236,；Supporting network on 237,；
238, connecting tubes；239, ammonia distributor pipes；240, drench with rain distributor；241, purge valves；242, discharge pressure pipes；243, pressure
Monitor；244, ammonia spouts；250 the second radiators of；251 the first radiators of；260, main heat exchangers；261, ammoniacal liquor
Import；262, recirculated water delivery ports；263, recirculated water water inlets；264, ammoniacal liquor delivery outlets；265, tank bodies；Kept off on 266,
Plate；267, lower baffle plates；268, spiral winding pipes；269, projections.
Embodiment
The present invention is further described with reference to the accompanying drawings and examples：
Embodiment 1：A kind of ammoniacal liquor preparation system, referring to Fig. 1 to Fig. 7；It includes ammoniacal liquor preparing device 200；The ammoniacal liquor system
For device 200, it includes being used to mix the ammonia and process water of entrance and forms the static mixer 230 of ammoniacal liquor；Described ammonia
Water preparing device 200 it also include be used for by liquid ammonia gasification for ammonia liquid ammonia vaporization device 210, for the shape of static mixer 230
Into ammoniacal liquor drop heat main heat exchanger 260；Ammonia outlet 211 and the static mixer 230 on the liquid ammonia vaporization device 210
On ammonia imports 231 it is corresponding connect, the ammoniacal liquor outlet 233 of the static mixer 230 is corresponding with the main heat exchanger 260 to be connected
Connect；The technique water inlet of the static mixer passes through the connection corresponding with process water offer source of VFC pump；The ammoniacal liquor system
The ammonia source import of standby device 200 passes through quick action emergency valve connection corresponding with ammonia offer source；Liquid ammonia vaporization device described in the design
210th, static mixer 230 and the three of main heat exchanger 260 are independent separate body structure；It also includes outer package housing simultaneously, described
Liquefied ammonia vapour
Change device 210, static mixer 230 and the three of main heat exchanger 260 to encapsulate via the outer package housing.
The import of above-described ammonia source is the liquefied ammonia import 212 being arranged on the liquid ammonia vaporization device 210 and is arranged at institute
State the ammonia imports 231 on static mixer 230；The liquefied ammonia import 212 is provided by the first quick action emergency valve 105 with liquefied ammonia
Source is corresponding to be connected, and the ammonia imports 231 on the static mixer 230 are also also carried by the second quick action emergency valve 106 with ammonia
Supply source is corresponding to be connected.
Specifically, above-described static mixer 230 it include it is internal be middle cavity housing 234, described technique
Water inlet 233 is arranged on the top of the housing 234 and connected with the middle cavity in the housing 234, the ammonia imports 231
It is arranged on the bottom of the housing 234 and is connected with the middle cavity in the housing 234, the port of export of the ammonia imports 231
Set down；Described ammoniacal liquor outlet 232 is arranged on the middle and upper part of the housing 234 and connected with the middle cavity in the housing
It is logical；Also include being used for the pressure monitor 243 for monitoring pressure in the static mixer 230；Specifically, the pressure monitor
243 are arranged at the top of the housing 234, for being monitored to the pressure in the housing 234；On the top of the housing 234
End is additionally provided with discharge pressure pipe 242, and is additionally provided with purge valve 241 on the discharge pressure pipe 242；This purge valve can be prevented in housing
The excessive generation having an accident of pressure.
Further, it is additionally provided with and drenches with rain on the port of export of technique water inlet 233 of the design also in the housing 234
Distributor 240；And it is provided with ammonia distributor on the port of export of the ammonia imports in the housing, it is described in the design
The outlet mouth down of ammonia distributor is set；And described ammonia distributor it include the port of export with the ammonia imports 231
The connecting tube 238 of docking, a number of ammonia distributor pipe 239 being uniformly distributed in the circumferential edge of connecting tube 238, the ammonia
Qi leel stringing 239 is connected by connecting tube 238 with the ammonia imports 231, on the lower section tube wall of the ammonia distributor pipe 239
Offer ammonia spout 244；The ammonia distributor pipe 239 is located at same level and rounded is uniformly distributed；It is arranged at described
Ammonia spout 244 on ammonia distributor pipe 239 is multiple, and is uniformly distributed along the axial direction of the ammonia distributor pipe 239；And
The aperture of above-described ammonia spout 244 is 0 .50mm, 1 .50mm, 5 .50mm, 10 .50mm, 10 .50mm, 12
.50mm、
14 .50mm, 18 .50mm or 20 .0mm.
Further, the design is also set in the housing 234 to drench with rain between distributor 240 and the ammonia distributor
A number of Pall ring 235 is equipped with, the accumulation of Pall ring 235 is arranged on the lower supporting network 236 in housing；In the Bao
The upper end of your ring 235 is additionally provided with supporting network 237, and a number of Pall ring 235 is piled up in supporting network 237 with
Between supporting network 236；By the design of this Pall ring, its Pall ring can buffer huge impulsive force in use, and playing prevents
Or phenomena such as slowing down and huge recoil occurs in housing, hitting；And described ammoniacal liquor outlet 232 is arranged at the upper supporting network
Between 237 and the distributor 240 that drenches with rain.
In above-mentioned static mixer 230 is applied, the ammonia imports 231 of its ammonia from below enter in housing, and ammonia
Gas is evenly distributed by ammonia distributor, meanwhile, its process water falls from the distributor 240 that drenches with rain of top in curtain of rain shape, ammonia
Ammoniacal liquor is formed after touch housing is inscribed with both water, and ammoniacal liquor is exported by way of overflow from ammoniacal liquor after being realized in reaction one end
233 are discharged into the main heat exchanger of lower section；And in the preparation process of above-mentioned ammoniacal liquor, its pressure monitor will monitor in real time
Pressure in the static mixer of the design, once and its purge valve of hypertonia by pressure release, at the same time it can also by control into
The water for entering process water in static mixer realizes the effect for reducing pressure in static mixer, naturally it is also possible to is cut by control
Disconnected quick action emergency valve is realized；And if to realize that regulation prepares the concentration of ammoniacal liquor, VFC can be controlled by controller
The concentration of how much realizations regulation ammoniacal liquor of the unlatching size of pump, the i.e. amount for the process water that control enters in static mixer；And one
When ammonia leakage occurs for the denier present apparatus, its controller will automatically control the closing of VFC pump and quick action emergency valve, stop
The progress of production, it is ensured that safe progress, certainly, the automation that can realize aforesaid operations by controller noted above are carried out, and are reached
To the purpose saved human and material resources with realize automation and intelligentification control.
Above-described main heat exchanger 260 is spiral winding tube type heat exchanger；The spiral winding tube type heat exchanger includes
On have the tank body 265 of opening, more spiral winding pipes 268 being arranged in the tank body 265 and be arranged at the tank body
The overhead gage 266 and lower baffle plate 267 of 265 inside upper and lower ends, the more spiral winding pipes 268 are arranged at the He of overhead gage 266
Between lower baffle plate 267；The upper end open of the more spiral winding pipes 268 is set through the overhead gage 266, and with the tank
The upper end open connection of body 265 forms ammoniacal liquor import 261；Under the lower ending opening of the more spiral winding pipes 268 runs through described
Baffle plate 267 is set, and is connected with the lower ending opening of the tank body 265 and formed ammoniacal liquor delivery outlet 261；And in the tank body 265
Middle and upper part is additionally provided with the recirculated water delivery port 262 of the regional connectivity between overhead gage 266 and lower baffle plate 267（The recirculated water goes out
The mouth of a river 262 circulates water control backwater valve with Fig. 1 and recirculated water backwater connects）, and be additionally provided with the middle and lower part of the tank body
The recirculated water water inlet 263 of regional connectivity between overhead gage and lower baffle plate（The recirculated water water inlet 263 and in Fig. 1 second tight
Anxious stop valve connects with water on recirculated water）.
Further, in the more spiral winding pipes in the design two neighboring spiral winding pipe 268 outer tube wall
Between be provided with gap；Projection 269 is provided with the inwall of the every spiral winding pipe in the more spiral winding pipes 268；
The projection 269 being arranged on every spiral winding inside pipe wall is circular protrusion or is the helical form projection for surrounding the setting of its inwall；
Meanwhile the design can also be provided with projection or recessed on the outer wall of every spiral winding pipe in the more spiral winding pipes
Groove；The projection or groove being specifically arranged in the every spiral winding pipe outer wall are circular protrusion or annular recess, or
The projection or groove being arranged in the every spiral winding pipe outer wall are helical form projection or helical groove, and this design makes
The contact area between recirculated water and spiral winding pipe 268 can be increased in increases the efficiency of its heat exchange.
Above-mentioned design main heat exchanger in use, its ammoniacal liquor from top ammoniacal liquor import 261 enter tank body 265 in, cooling
Recirculated water enters from the recirculated water water inlet 263 of lower end, and ammoniacal liquor passes through more spiral shells when entering in more spiral winding pipes 268
The tube wall and cooling circulating water for revolving winding pipe 268 carry out heat exchange so that cooling circulating water carries out drop heat to ammoniacal liquor, while drops heat
The ammoniacal liquor delivery outlet 264 of ammoniacal liquor afterwards from below is discharged, and the recirculated water after heating is from the row of recirculated water delivery port 262 on top
Go out, realize the cooling treatment to ammoniacal liquor；And use the spiral winding tube type heat exchanger of above-mentioned design that there is ant-scaling in use
Function so that the present apparatus can be applicable the ammonia source of a variety of credit ratings in use（Including gas ammonia, useless ammonia and recovery ammonia）, it is more
Kind water quality（Including running water, underground water and natural water）, and the design why can anti-tartar be that should be that its is smooth and have ripple,
Namely the projection on the above-mentioned inwall of spiral winding pipe 268, the projection or ripple on the spiral winding inside pipe wall are in use, that is, disappear
Except the pulling-out force between tube-to-tube sheet connection, also improve service life, reduce maintenance cost, while also make ammoniacal liquor and cooling
Water in through pipe/pipe it is outer when produce strong end stream effect so that impurity deposition probability reduction, fouling tendency are low；Even in making
There is the impurity adhered on a small quantity in, also can be because of the start-stop of the present apparatus, the great variety of the temperature difference（105 DEG C of pipe Nei Wenduda when opening）
Fouling is set to be come off because of the dilatation of spiral winding pipe；Therefore the present apparatus solves fouling this problem so that the present apparatus is being made
Pure water need not be used during standby industrial ammonia, reduces the production cost of enterprise.
Further, in order to realize the dual utilization to the energy in the design, the system it also include cold energy source profit
With unit and heat energy range site, described cold energy source range site it include and the water inlet on the liquid ammonia vaporization device connects
The first logical water extraction supply source and the cold water energy utilization device connected with the delivery port on the liquid ammonia vaporization device；Pass through institute
Cold water energy utilization device is stated to be stored the cold water gone out through liquid ammonia vaporization device or by the energy transfer in the cold water；Specifically
, the cold water energy utilization device it include the second radiator 250 for being connected with the delivery port on the liquid ammonia vaporization device.
Delivery port in use on above-described second radiator 250 can also be right with the water inlet 214 on the liquid ammonia vaporization device
It should connect, to form waterway circulating；Preferably, the delivery port 213 on the liquid ammonia vaporization device 210 passes through water supply pump and described the
The water inlet of second radiator 250 is corresponding to be connected.To sum up, the cold energy source range site of the system and heat energy range site are passed through
Using can effectively be utilized two kinds of energy in ammoniacal liquor preparation process, such as can be used to take in winter by the system
Warm, summer is used to enjoy the cool；And very easily can be utilized the external output of both cold and hot energy by the system, realize energy
Amount makes full use of and not wasted, and then makes that the investment of enterprise is substantially reduced, operating cost is reduced and produces added benefit, realization
It is excellent that rate of return on investment is high, return period is short, unit cost is low, comprehensive benefit is high and energy-conserving and environment-protective social benefit is good
Gesture.
Further, above-described heat energy range site it include and the recirculated water water inlet on the main heat exchanger
Second water extraction supply source of connection and the hot water energy utilization device connected with the recirculated water delivery port on the main heat exchanger,
The hot water gone out through main heat exchanger is stored by the hot water energy utilization device or by the energy transfer in the hot water；Tool
Body, the hot water energy utilization device it include connected with the recirculated water delivery port 263 on the main heat exchanger 260 first
Radiator 251, delivery port on above-described first radiator 251 in use can also with the main heat exchanger 260
Recirculated water water inlet 262 it is corresponding connect, to form waterway circulating；Preferably, the recirculated water delivery port on the main heat exchanger
263 pass through heat-exchanger pump connection corresponding with the water inlet on first radiator 251.
Further, the design it also include controller, above-described pressure monitor 243, VFC pump and institute
The first quick action emergency valve 105, the second quick action emergency valve 106 connection corresponding with described controller stated；Preferably, the control
Device processed includes PLC, while it also includes being arranged at the side wall of static mixer 230 and is arranged at the ammoniacal liquor preparing device 200
Multiple ammonia alarms of sidepiece, certainly, the connection also corresponding with the controller of described ammonia alarm.
Further, the system it also include ammoniacal liquor storage tank 109, the ammoniacal liquor storage tank 109 passes through the first control valve
108 connect with the ammoniacal liquor delivery outlet on the main heat exchanger 260；Ammoniacal liquor row is additionally provided with the bottom of the ammoniacal liquor storage tank 109
Outlet, and it is additionally provided with ammonium hydroxide delivery pump 110 on the ammoniacal liquor outlet；Further, it also includes ammonia tourie 111, set
The ammonia inlet pipe being placed in the ammonia tourie 111, the port of export of the ammonia inlet pipe are arranged at the ammonia tourie 111
Below interior liquid level, and the ammonia inlet pipe is connected by pipeline with the top of the ammoniacal liquor storage tank, and is stored via ammoniacal liquor
The ammonia of tank discharge passes sequentially through pipeline, ammonia inlet pipe enters in the ammonia tourie, in use by this design, not instead
The ammonia answered is again introduced into ammonia tourie 111 after entering in ammoniacal liquor storage tank 109 enters line absorption, meanwhile, in order to
The ammonia that realizing to enter in ammonia tourie 111 fully absorb as far as possible, the design it also including inside be hollow structure
Ammonia double absorption tower 112, the bottom of the ammonia double absorption tower 112 connects with the top of the ammonia tourie 111,
Top inside the ammonia double absorption tower 112 is provided with spray head 113, and the spray head 113 passes through supply-water pump and water source
Connection；It is additionally provided with the top of the ammonia double absorption tower 112 and is let out with the ammonia double absorption tower connects with the internal cavities
Pressure pipe 114, the internal cavities of the ammonia double absorption tower 112 are in communication with the outside by the relief tube 114.Further originally
Designing it also includes more concentration ammoniacal liquor storage tanks 118, and the top of more concentration ammoniacal liquor storage tanks 188 is provided with multiple feed tubes,
And liquid inlet control valve 119,120,121 is additionally provided with the feed tube；The bottom of more concentration ammoniacal liquor storage tanks 118 is successively
Pass through the second control valve 117, transition pump 116, the connection corresponding with the ammonia tourie 111 of the 3rd control valve 115.In use
The ammoniacal liquor of a variety of concentration or remaining residue ammoniacal liquor can be discharged into its more concentration ammoniacal liquor storage tank 118 in it, and it is how dense
Ammoniacal liquor in degree ammoniacal liquor storage tank 118 squeezing into ammonia tourie 111 again, realizes to its more concentration ammoniacal liquor storage tank 118
Interior ammoniacal liquor is integrated, while can also improve the ammonia concn in its ammonia tourie 111.
To sum up by the use of above-mentioned the system, in the system compared with the existing equipment using integrated design, have
Volume can become smaller, more efficient advantage, while the system can be applicable the ammonia source of a variety of credit ratings（Including gas
Ammonia, useless ammonia and recovery ammonia）, multiple-quality water（Including running water, underground water and natural water）, while can be according to user's need through the present apparatus
Ask manufacture electron level ammoniacal liquor and the industrial ammonia of less than 35% various concentration；Furthermore can be by ammoniacal liquor by the use of the system
Two kinds of energy in preparation process are effectively utilized, and such as can be used to warm oneself in winter by the system, and summer is used to receive
It is cool；And very easily can be utilized the external output of both cold and hot energy by the system, realize making full use of for energy
And do not waste, and then make that the investment of enterprise is substantially reduced, operating cost is reduced and produces added benefit, realize rate of return on investment
The high, advantage that return period is short, unit cost is low, comprehensive benefit is high and energy-conserving and environment-protective social benefit is good.
What embodiments of the invention were announced is preferred embodiment, but is not limited thereto, the ordinary skill people of this area
Member, easily according to above-described embodiment, understand the spirit of the present invention, and make different amplification and change, but as long as not departing from this
The spirit of invention, all within the scope of the present invention.
Claims (10)
1. a kind of ammoniacal liquor preparation system, it includes ammoniacal liquor preparing device；It is characterized in that：The ammoniacal liquor preparing device it include be used for pair
The ammonia and process water of entrance are mixed and form the static mixer of ammoniacal liquor；The technique water inlet of the static mixer passes through
The connection corresponding with process water offer source of VFC pump；The ammonia source import of the ammoniacal liquor preparing device is carried by quick action emergency valve and ammonia
Supply source is corresponding to be connected；Also include being used for the pressure monitor for monitoring pressure in the static mixer；Also include controller, it is described
The connection corresponding with the controller of pressure monitor, VFC pump and the quick action emergency valve；
It includes the internal housing for middle cavity with the static mixer, and the technique water inlet is arranged on the top of the housing
And connected with the middle cavity in the housing, ammonia imports be arranged on the bottom of the housing and with the middle cavity in the housing
Connection, the port of export of the ammonia imports are set down；Ammoniacal liquor outlet be arranged on the housing middle and upper part and with the housing
Interior middle cavity connection；The pressure monitor is arranged at the top of the housing, for being supervised to the pressure in the housing
Survey；Discharge pressure pipe is additionally provided with the top of the housing, and purge valve is additionally provided with the discharge pressure pipe；In the housing
The distributor that drenches with rain is additionally provided with the port of export of technique water inlet；
Ammonia distributor, the gas outlet court of the ammonia distributor are provided with the port of export of ammonia imports in the housing
Lower setting；The ammonia distributor it include docked with the port of export of the ammonia imports connecting tube, be uniformly distributed in the company
A number of ammonia distributor pipe in adapter circumferential edge, the ammonia distributor pipe are connected by connecting tube and the ammonia imports
It is logical, offer ammonia spout on the lower section tube wall of the ammonia distributor pipe；The ammonia distributor pipe be located at same level and
It is rounded to be uniformly distributed；Ammonia spout on the ammonia distributor pipe is arranged to be multiple, and along the axle of the ammonia distributor pipe
It is uniformly distributed to direction；The aperture of the ammonia spout is 0.50mm-20.0mm.
2. ammoniacal liquor preparation system as claimed in claim 1, it is characterised in that：The controller includes PLC, in addition to is arranged at
The static mixer side wall and the multiple ammonia alarms for being arranged at the ammoniacal liquor preparing device sidepiece, the ammonia alarm is also
Connection corresponding with the controller.
3. ammoniacal liquor preparation system as claimed in claim 1, it is characterised in that：The ammoniacal liquor preparing device it also include being used for by liquid
Ammonia turns to the liquid ammonia vaporization device of ammonia, for the main heat exchanger of the ammoniacal liquor drop heat formed to static mixer；The liquefied ammonia vapour
Change the ammonia outlet connection corresponding with the ammonia imports on the static mixer on device, the ammoniacal liquor outlet of the static mixer
Connection corresponding with the main heat exchanger；The liquid ammonia vaporization device, static mixer and main heat exchanger three are independent separate body structure；
Also include outer package housing, the liquid ammonia vaporization device, static mixer and main heat exchanger three seal via the outer package housing
Dress；
Ammonia source import is the liquefied ammonia import being arranged on the liquid ammonia vaporization device and is arranged on the static mixer
Ammonia imports；The liquefied ammonia import connects by the way that the first quick action emergency valve is corresponding with liquefied ammonia offer source, on the static mixer
Ammonia imports also pass through the second quick action emergency valve also with ammonia provide source it is corresponding connect.
4. ammoniacal liquor preparation system as claimed in claim 1, it is characterised in that：In drench with rain distributor and the ammonia distribution
A number of Pall ring is additionally provided with housing between device, the Pall ring accumulation is arranged at the lower supporting network in housing
On；Supporting network is additionally provided with the upper end of the Pall ring, a number of Pall ring is piled up in supporting network with
Between supporting network；The ammoniacal liquor outlet is arranged between the upper supporting network and the distributor that drenches with rain.
5. ammoniacal liquor preparation system as claimed in claim 3, it is characterised in that：The main heat exchanger exchanges heat for spiral winding pipe type
Device；The spiral winding tube type heat exchanger includes tank body, the more spiral windings being arranged in the tank body for above having opening
Pipe and the overhead gage and lower baffle plate for being arranged at the tank interior upper and lower ends, the more spiral winding pipes are arranged at
Between baffle plate and lower baffle plate；The upper end open of the more spiral winding pipes through the overhead gage set, and with the tank body
Upper end open connection form ammoniacal liquor import；The lower ending opening of the more spiral winding pipes is set through the lower baffle plate, and
Connected with the lower ending opening of the tank body and form ammoniacal liquor delivery outlet；And be additionally provided with the middle and upper part of the tank body with overhead gage and
The recirculated water delivery port of regional connectivity between lower baffle plate, and be additionally provided with and overhead gage and lower baffle plate in the middle and lower part of the tank body
Between regional connectivity recirculated water water inlet；
In the more spiral winding pipes gap is provided between the outer tube wall of two neighboring spiral winding pipe；In the more spirals
Projection is provided with the inwall of every spiral winding pipe in winding pipe；The projection being arranged on every spiral winding inside pipe wall is
Circular protrusion or the helical form projection to be set around its inwall；The every spiral winding pipe in the more spiral winding pipes
Outer wall on be provided with projection or groove；The projection or groove being arranged in the every spiral winding pipe outer wall are circular protrusion
Or annular recess, or the projection or groove being arranged in the every spiral winding pipe outer wall are helical form projection or helical form
Groove.
6. ammoniacal liquor preparation system as claimed in claim 5, it is characterised in that：The system it also include cold energy source range site and
Heat energy range site, cold energy source range site it include connect with the water inlet on liquid ammonia vaporization device the first water offer
Source and the cold water energy utilization device connected with the delivery port on the liquid ammonia vaporization device；Pass through the cold water using energy source
The cold water gone out through liquid ammonia vaporization device is stored or by the energy transfer in the cold water by device；The cold water using energy source dress
The second radiator that it includes connecting with the delivery port on the liquid ammonia vaporization device is put,
The heat energy range site it include connected with the recirculated water water inlet on the main heat exchanger the second water extraction supply source,
And the hot water energy utilization device connected with the recirculated water delivery port on the main heat exchanger, filled by the hot water using energy source
Put and stored the hot water gone out through main heat exchanger or by the energy transfer in the hot water；The hot water energy utilization device it
Including the first radiator connected with the recirculated water delivery port on the main heat exchanger.
7. ammoniacal liquor preparation system as claimed in claim 6, it is characterised in that：Also include ammoniacal liquor storage tank, the ammoniacal liquor storage
Tank is connected by the first control valve with the ammoniacal liquor delivery outlet on the main heat exchanger；It is additionally provided with the bottom of the ammoniacal liquor storage tank
Ammoniacal liquor outlet, and it is additionally provided with ammonium hydroxide delivery pump on the ammoniacal liquor outlet.
8. ammoniacal liquor preparation system as claimed in claim 7, it is characterised in that：Also include ammonia tourie, be arranged at the ammonia
Ammonia inlet pipe in aspiration closed cans, the port of export of the ammonia inlet pipe are arranged at below the liquid level in the ammonia tourie, and
The ammonia inlet pipe is connected by pipeline with the top of the ammoniacal liquor storage tank, and via ammoniacal liquor storage tank discharge ammonia successively
Entered by pipeline, ammonia inlet pipe in the ammonia tourie.
9. ammoniacal liquor preparation system as claimed in claim 8, it is characterised in that：Also include internal secondary for the ammonia of hollow structure
Absorption tower, the bottom of the ammonia double absorption tower connect with the top of the ammonia tourie, in the ammonia double absorption
Top inside tower is provided with spray head, and the spray head is connected by supply-water pump with water source；In the ammonia double absorption tower
Top is additionally provided with the relief tube with the ammonia double absorption tower connects with the internal cavities, and the inside of the ammonia double absorption tower is empty
Chamber is in communication with the outside by the relief tube.
10. ammoniacal liquor preparation system as claimed in claim 9, it is characterised in that：Also include more concentration ammoniacal liquor storage tanks, it is described more
The top of concentration ammoniacal liquor storage tank is provided with least one feed tube, and is additionally provided with liquid inlet control valve on the feed tube；It is described
The bottom of more concentration ammoniacal liquor storage tanks passes sequentially through the second control valve, transition pump, the 3rd control valve and the ammonia tourie pair
It should connect.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610000668.5A CN105478023B (en) | 2016-01-04 | 2016-01-04 | Ammoniacal liquor preparation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610000668.5A CN105478023B (en) | 2016-01-04 | 2016-01-04 | Ammoniacal liquor preparation system |
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| CN105478023A CN105478023A (en) | 2016-04-13 |
| CN105478023B true CN105478023B (en) | 2017-11-21 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107138062A (en) * | 2017-06-30 | 2017-09-08 | 天津普利奥能源技术发展有限公司 | A kind of novel integrated ammoniacal liquor preparing device |
| CN107601529B (en) * | 2017-10-31 | 2024-01-05 | 东方电气集团东方锅炉股份有限公司 | Device of high-efficient liquid ammonia preparation aqueous ammonia of safety environmental protection |
| KR102231448B1 (en) * | 2020-06-08 | 2021-04-02 | 대우조선해양 주식회사 | Apparatus for reducing greenhouse gas emission in vessel and vessel including the same |
| CN116443891A (en) * | 2023-02-16 | 2023-07-18 | 宜兴市华瑞焚烧炉科技发展有限公司 | System for preparing ammonia water from liquid ammonia |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2873744Y (en) * | 2006-03-21 | 2007-02-28 | 任翱翔 | Device for quick preparing industrial ammonia water |
| CN202105585U (en) * | 2011-05-23 | 2012-01-11 | 潍坊恒安散热器集团有限公司 | Double-oxidation ammonia desulphurization device |
| CN203494415U (en) * | 2013-09-27 | 2014-03-26 | 南京中电环保科技有限公司 | Ammonium water liquor preparation device |
| CN205288123U (en) * | 2016-01-04 | 2016-06-08 | 江西江氨科技有限公司 | Aqueous ammonia preparation system |
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