CN205288123U - Aqueous ammonia preparation system - Google Patents
Aqueous ammonia preparation system Download PDFInfo
- Publication number
- CN205288123U CN205288123U CN201620001170.6U CN201620001170U CN205288123U CN 205288123 U CN205288123 U CN 205288123U CN 201620001170 U CN201620001170 U CN 201620001170U CN 205288123 U CN205288123 U CN 205288123U
- Authority
- CN
- China
- Prior art keywords
- ammonia
- import
- water
- static mixer
- spiral winding
- 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.)
- Active
Links
Classifications
-
- 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
- Y02P20/10—Process efficiency
- Y02P20/133—Renewable energy sources, e.g. sunlight
-
- 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
Landscapes
- Sorption Type Refrigeration Machines (AREA)
Abstract
The utility model provides an aqueous ammonia preparation system that production efficiency is high, safe, can produce the multiple concentration aqueous ammonia, it includes aqueous ammonia preparation ware, aqueous ammonia preparation ware it including the static mixer who is used for mixing and form the aqueous ammonia to the ammonia that gets into and fresh water (FW), static mixer's fresh water (FW) import provides the source through frequency conversion control pump and fresh water (FW) and corresponds and be connected, the ammonia source import of aqueous ammonia preparation ware provides the source through quick action emergency valve and ammonia and corresponds and be connected, still including being used for the monitoring the pressure monitoring appearance of pressure among the static mixer, the solar power ultraviolet ray mosquito killer further comprises a controller, pressure monitoring appearance, frequency conversion control pump and the quick action emergency valve all with the controller corresponds to be connected, this system can be suitable for multiple quality class's ammonia source, multiple quality of water when the preparation industry aqueous ammonia, simultaneously through this device can make according to the user's request electron level aqueous ammonia and 35% below the industry aqueous ammonia of various concentration, this system has advantages such as heat exchange efficiency height, resistive connection dirt simultaneously.
Description
Technical field
This utility model relates to ammonia preparing technical field, particularly relates to a kind of ammonia preparation system.
Background technology
Ammonia is as the aqueous solution of a kind of ammonia, and it all has application in the every field such as military, agriculture, industrial; Ammonia Preparation equipment domestic at present is all divided into industrial ammonia, electron level ammonia, SILVER REAGENT ammonia preparation facilities, the said equipment in use has unicity, namely a kind of equipment can not be used to prepare the ammonia of various grade, and most equipment can only prepare technical grade ammonia. And such as current most popular industrial ammonia preparation facilities, such as " super ammonia absorber " etc., although be improved compared with traditional technique, have many good qualities, but also have following not enough. As: 1) industrial ammonia can only be prepared, supporting pure water making machine can not prepare the higher electron level of requirement, SILVER REAGENT ammonia, can not producing series of products and accomplish one-machine-multi-function, the current domestic device that can produce high-grade ammonia is all that equipment investment is big, complex process, energy consumption are high and specific yield is low. 2) easily fouling, supporting pure water making machine could prepare industrial ammonia, and supporting pure water making machine can increase plant area area, strengthen investment and increase operating cost. 3) ammonia source is required height, by the restriction of technique and equipment, it is impossible to use the liquefied ammonia that credit rating is low, useless ammonia and recovery ammonia, " essence grain " need to be eaten, it is impossible to eat " coarse grain ". 4) Energy harvesting is poor, and ammonia preparation process has hot and cold two kinds of energy to produce, and ammonia preparation facilities domestic at present utilizes the hot and cold energy of part, major part energy dissipation at most in process of production. 5) ammonia temperature is uncontrollable, heat exchanger heat exchange area is fixing, and ammonia temperature is positive change with temperature Change, it is impossible to regulate ammonia temperature as required, such as summer temp height then ammonia temperature is high, is unfavorable for that high concentration ammonia prepares (summer ammonia concn < 30%) and ammonia accumulating. 6) Energy harvesting is poor, has hot and cold two kinds of energy to produce in ammonia preparation process; Namely it is two processes in fact by ammonia to ammonia, the 1. evaporation gasification LNH of liquefied ammonia3������GNH3Its heat of gasification of Q is �� H �� 320kcal/kg(per kilogram ammonia, about heat absorption 320 kilocalories) 2. ammonia and water react NH3(g)+H2O����NH4OH+Q this be an exothermic reaction, its reaction heat �� H reaction heat=480kcal/kg ammonia (namely per kilogram ammonia and water reaction produce the heat of 480 kilocalories) this cold heat, especially the low-temperature energy sources of less than 30 DEG C has very high value in chemical industry freezing field.And ammonia preparation facilities domestic at present utilizes part cold or heat energy at most in process of production, cause major part energy dissipation; If cold and hot two kinds of energy produced in ammonia preparation process are carried out comprehensive utilization, huge economic benefit can be brought to enterprise and reduce the input cost of enterprise, also be a kind of comprehensive utilization simultaneously to the energy itself.
Such as China Patent No. is " a kind of device for quick preparing industrial ammonia water " shown in " 2006200503389 ", it is in use be formed in the equipment of integration by the gasification of liquefied ammonia to the formation of ammonia and cooling, the equipment shown in this patent is adopted in use to be likewise supplied with easy fouling described above, the shortcoming such as " coarse grain can not be eaten ", in ammonia preparation process, the combination of its ammonia and water is the step of particular importance, because this is related to the safety in whole production, particularly formed after ammonia is mixed with water and huge anti-force very easily occurs the process of ammonia and rocks, the phenomenons such as vibrations, the problems such as pressure rising also can occur at short notice simultaneously, cause that this equipment in use has bigger danger, result also in structure shown in this patent simultaneously and be in use only capable of small-scale production, can not realize using on a large scale on a large scale, limitation is big, efficiency is low.
Utility model content
The purpose of this utility model is in that to overcome the deficiencies in the prior art, adapts to reality need, it is provided that a kind of production efficiency is high, safe, can produce the ammonia preparation system of multiple concentration ammonia.
In order to realize the purpose of this utility model, the technical scheme that this utility model adopts is:
A kind of ammonia preparation system of design, it includes ammonia preparing device; Described ammonia preparing device it include for enter ammonia and fresh water (FW) mix and form the static mixer of ammonia; The fresh water (FW) import of described static mixer connects by VFC pump is corresponding with fresh water (FW) offer source; The ammonia source import of described ammonia preparing device connects by quick action emergency valve is corresponding with ammonia offer source; Also include for monitoring the pressure monitor of pressure in described static mixer; Also include all corresponding with the described controller connection of controller, described pressure monitor, VFC pump and described quick action emergency valve.
Preferably, described controller includes PLC, also includes being arranged at described static mixer sidewall and being arranged at multiple ammonia alarms of described ammonia preparing device sidepiece, and described ammonia alarm is also corresponding with described controller to be connected.
Preferably, described ammonia preparing device it also include the main heat exchanger for liquid ammonia vaporization device that liquid ammonia gasification is ammonia, the ammonia that is used for that static mixer is formed being dropped heat; Ammonia outlet on described liquid ammonia vaporization device is corresponding with the ammonia import on described static mixer to be connected, and the ammonia outlet of described static mixer is corresponding with described main heat exchanger to be connected; Described liquid ammonia vaporization device, static mixer and main heat exchanger three are independent separate body structure; Also including outer package housing, described liquid ammonia vaporization device, static mixer and main heat exchanger three encapsulate via described outer package housing.
Preferably, described ammonia source import is the liquefied ammonia import being arranged on described liquid ammonia vaporization device and the ammonia import being arranged on described static mixer; Described liquefied ammonia import connects by the first quick action emergency valve is corresponding with liquefied ammonia offer source, and the ammonia import on described static mixer connects also by the second quick action emergency valve is also corresponding with ammonia offer source.
Preferably, described static mixer it include the internal housing for cavity, described fresh water (FW) import is arranged on the top of described housing and connects with the cavity in described housing, described ammonia import is arranged on the bottom of described housing and connects with the cavity in described housing, and the port of export of described ammonia import is arranged down; The outlet of described ammonia is arranged on the middle and upper part of described housing and connects with the cavity in described housing; Described pressure monitor is arranged at the top of described housing, for the pressure in this housing is monitored; It is additionally provided with discharge pressure pipe on the top of described housing, and is additionally provided with purge valve on this discharge pressure pipe; The port of export of the fresh water (FW) import in described housing is additionally provided with the distributor that drenches with rain.
Preferably, the port of export of the ammonia import in described housing being provided with ammonia distributor, the gas outlet of described ammonia distributor is arranged down; Described ammonia distributor it include the connecting tube docked with the port of export of described ammonia import, a number of ammonia distributor pipe being uniformly distributed in this connecting tube circumferential edge, described ammonia distributor pipe, by connecting tube and described ammonia inlet communication, offers ammonia spout on the lower section tube wall of described ammonia distributor pipe; Described ammonia distributor pipe is positioned at same level and rounded is uniformly distributed; The ammonia spout being arranged on described ammonia distributor pipe is multiple, and is uniformly distributed along the axial direction of described ammonia distributor pipe; The aperture of described ammonia spout is 0.50mm-20.0mm.
Preferably, being additionally provided with a number of Pall ring in the described housing drenched with rain between distributor and described ammonia distributor, it is online that described Pall ring piles up the lower support being arranged in housing; Be additionally provided with supporting network in the upper end of described Pall ring, described a number of Pall ring is piled up between supporting network and lower support net; The outlet of described ammonia is arranged at described upper supporting network and described drenches with rain between distributor.
Preferably, described main heat exchanger is spiral winding tube type heat exchanger; Described spiral winding tube type heat exchanger includes the tank body having opening, the many spiral winding pipes being arranged in this tank body and is arranged at overhead gage and the lower baffle plate at the upper and lower two ends of described tank interior, and described many spiral winding pipes are arranged between overhead gage and lower baffle plate; The upper end open of described many spiral winding pipes runs through described overhead gage and arranges, and connects composition ammonia import with the upper end open of described tank body; The lower ending opening of described many spiral winding pipes runs through described lower baffle plate and arranges, and connects composition ammonia delivery outlet with the lower ending opening of described tank body; And the recirculated water outlet being additionally provided with between overhead gage and lower baffle plate in the middle and upper part of described tank body regional connectivity, and the recirculated water water inlet being additionally provided with between overhead gage and lower baffle plate in the middle and lower part of described tank body regional connectivity.
Preferably, described many spiral winding pipes are provided with gap between the outer tube wall of adjacent two spiral winding pipes; The inwall of every spiral winding pipe in described many spiral winding pipes is provided with projection; Being arranged at the projection on every spiral winding inside pipe wall is circular protrusion or the helical form projection for arranging around its inwall; The outer wall of every spiral winding pipe in described many spiral winding pipes is provided with projection or groove; It is arranged at the projection on described every spiral winding pipe outer wall or groove is circular protrusion or annular recess, or be arranged at the projection on described every spiral winding pipe outer wall or groove is helical form projection or helical groove.
Preferably, native system it also include cold energy source range site and heat energy range site, range site its first water of including connecting with the water inlet on described liquid ammonia vaporization device in described cold energy source provides source and the cold water energy utilization device connected with the outlet on described liquid ammonia vaporization device;By described cold water energy utilization device, the cold water gone out through liquid ammonia vaporization device is carried out storing maybe by the energy transfer in this cold water; Described cold water energy utilization device it include the second radiator of connecting with the outlet on described liquid ammonia vaporization device.
Preferably, its second water of including connecting with the recirculated water water inlet on described main heat exchanger of described heat energy range site provides source and hot water energy utilization device connect with the recirculated water outlet on described main heat exchanger, is undertaken storing maybe by the energy transfer in this hot water by this hot water energy utilization device by the hot water gone out through main heat exchanger; Described hot water energy utilization device it include the first radiator of connecting with the recirculated water outlet on described main heat exchanger.
Preferably, also including ammonia storage tank, described ammonia storage tank is connected with the ammonia delivery outlet on described main heat exchanger by the first control valve; It is additionally provided with ammonia outlet in the bottom of described ammonia storage tank, and is additionally provided with ammonium hydroxide delivery pump in this ammonia outlet.
Preferably, the ammonia inlet pipe also including ammonia tourie, being arranged in described ammonia tourie, the port of export of described ammonia inlet pipe is arranged at below the liquid level in described ammonia tourie, and described ammonia inlet pipe connect with the top of described ammonia storage tank by pipeline, and pass sequentially through in pipeline, the ammonia inlet pipe described ammonia tourie of entrance via the ammonia of ammonia storage tank discharge.
Preferably, also include the internal ammonia double absorption tower for hollow structure, the bottom of described ammonia double absorption tower connects with the top of described ammonia tourie, is provided with spray head at the top within described ammonia double absorption tower, and described spray head is connected with water source by feed pump; Be additionally provided with the relief tube connected with this ammonia double absorption tower internal cavities on the top of described ammonia double absorption tower, the internal cavities of described ammonia double absorption tower is in communication with the outside by described relief tube.
Preferably, also including many concentration ammonia storage tank, the top of described many concentration ammonia storage tank is provided with at least one feed tube, and is additionally provided with liquid inlet control valve on described feed tube; The bottom of described many concentration ammonia storage tank passes sequentially through the second control valve, transition pump, the 3rd control valve connection corresponding to described ammonia tourie.
The beneficial effects of the utility model are in that:
1. each device in the ammonia preparing device in native system adopts the design of Split type structure compared with the equipment of existing employing integrated design, there is the advantage that volume can become less, in hgher efficiency, adopt split type mechanism in use can also reduce the rate of breakdown of this device simultaneously, be conducive to the cooling of the gasification to liquefied ammonia and ammonia.
2. native system is when preparing industrial ammonia, the ammonia source (include gas ammonia, useless ammonia and reclaim ammonia) of multiple credit rating, multiple-quality water (including tap water, subsoil water and natural water) can be suitable for, electron level ammonia and the industrial ammonia of less than 35% various concentration can be manufactured according to user's request through this device simultaneously.
3. the main heat exchanger in native system adopts spirally-wound tube heat exchanger to have the advantages such as heat exchange efficiency height, ant-scaling,
4. owing to the main heat exchanger in native system is less scaling, therefore in use native system can use various water source, compared with existing ammonia preparation system, native system does not in use need extra to buy supporting Pure water treatment equipment, i.e. investment reduction but also make operating cost reduce.
5. two kinds of energy in ammonia preparation process effectively can be utilized by the use of native system, such as can be used for warming oneself in winter by native system, be used for summer enjoying the cool;And can very easily external for cold and hot both energy output be utilized by native system, realize making full use of and not wasting of energy, and then make the investment of enterprise be substantially reduced, operating cost reduces and produces added benefit, it is achieved the advantage 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.
6. native system is aborning, its ammonia and water reaction are fierce chemical exothermal processes, therefore, the problem such as huge vibrations and air pressure increase very easily occurring in the process, and such as the solution not in time of this problem will cause huge accident to occur, severe patient will be blasted phenomenon, the life security of crisis Field Force, and the static mixer of the design in use can solve the problem that above-mentioned technical problem, can play that to be uniformly distributed vapour, liquid biphase simultaneously, play the effect of essential safety; Adopt native system to be possible to prevent cooling water pressure is too low, liquefied ammonia can not be vaporized, cause liquefied ammonia and water to produce hard hit after reacting, destroy the phenomenon generation of equipment simultaneously.
8. this utility model also has other advantages, will propose in the lump with corresponding structure in an embodiment.
Accompanying drawing explanation
Fig. 1 is this utility model primary structure catenation principle schematic diagram;
Fig. 2 is the ammonia preparing device primary structure catenation principle schematic diagram in this utility model;
Fig. 3 is the static mixer profile status primary structure schematic diagram in this utility model;
Fig. 4 is that in this utility model, state primary structure schematic diagram looked up by the ammonia distributor in static mixer;
Fig. 5 is the main heat exchanger profile status primary structure schematic diagram in this utility model;
Fig. 6 is the spiral winding pipe partial structurtes in main heat exchanger and part section structural representation in this utility model;
Fig. 7 is the cold energy source range site in this utility model and heat energy range site structural principle connection diagram;
In figure: 101. VFC pumps; 102,103,104. motor-operated control valve; 105. the first quick action emergency valve; 106. the second quick action emergency valve; 107. circulation water control backwater valve; 108. first controls valve; 109. ammonia storage tank; 110. ammonium hydroxide delivery pump; 111. ammonia tourie; 112. ammonia double absorption tower; 113. spray head; 114. relief tube; 115. the 3rd controls valve; 116. transition pump; 117. second controls valve; 118. many concentration ammonia storage tank; 119,120,121. liquid inlet control valve;
200. ammonia preparing device;
210. liquid ammonia vaporization device; 211. ammonia outlet; 212. liquefied ammonia import; 213. the outlet on liquid ammonia vaporization device; 214. the water inlet on liquid ammonia vaporization device;
230. static mixer; 231. ammonia import; 232. fresh water (FW) import; 233. ammonia exports; 234. tank body; 235. Pall ring; 236. lower support net; 237. upper supporting network; 238. connecting tube; 239. ammonia distributor pipe; The distributor 240. drench with rain; 241. purge valve; 242. discharge pressure pipe; 243. pressure monitor; 244. ammonia spout;
250. the second radiator; 251. the first radiator;
260. main heat exchanger; 261. ammonia import; 262. recirculated water outlet; 263. recirculated water water inlet; 264. ammonia delivery outlet; 265. tank body; 266. overhead gage; 267. lower baffle plate; 268. spiral winding pipe; 269. projection.
Detailed description of the invention
Below in conjunction with drawings and Examples, this utility model is further illustrated:
Embodiment 1: a kind of ammonia preparation system, referring to Fig. 1 to Fig. 7; It includes ammonia preparing device 200;Described ammonia preparing device 200 it include for enter ammonia and fresh water (FW) mix and form the static mixer 230 of ammonia; Described ammonia preparing device 200 it also include the main heat exchanger 260 for liquid ammonia vaporization device 210 that liquid ammonia gasification is ammonia, the ammonia that is used for that static mixer 230 is formed being dropped heat; Ammonia outlet 211 on described liquid ammonia vaporization device 210 is corresponding with the ammonia import 231 on described static mixer 230 to be connected, and the ammonia outlet 233 of described static mixer 230 is corresponding with described main heat exchanger 260 to be connected; The fresh water (FW) import of described static mixer connects by VFC pump is corresponding with fresh water (FW) offer source; The ammonia source import of described ammonia preparing device 200 connects by quick action emergency valve is corresponding with ammonia offer source; Liquid ammonia vaporization device 210 described in the design, static mixer 230 and main heat exchanger 260 three are independent separate body structure; It also includes outer package housing simultaneously, and described liquid ammonia vaporization device 210, static mixer 230 and main heat exchanger 260 three encapsulate via described outer package housing.
Above-described ammonia source import is the liquefied ammonia import 212 being arranged on described liquid ammonia vaporization device 210 and the ammonia import 231 being arranged on described static mixer 230; Described liquefied ammonia import 212 connects by the first quick action emergency valve 105 is corresponding with liquefied ammonia offer source, and the ammonia import 231 on described static mixer 230 connects also by the second quick action emergency valve 106 is also corresponding with ammonia offer source.
Concrete, above-described static mixer 230 it include the internal housing 234 for cavity, described fresh water (FW) import 233 is arranged on the top of described housing 234 and connects with the cavity in described housing 234, described ammonia import 231 is arranged on the bottom of described housing 234 and connects with the cavity in described housing 234, and the port of export of described ammonia import 231 is arranged down; Described ammonia outlet 232 is arranged on the middle and upper part of described housing 234 and connects with the cavity in described housing; Also include for monitoring the pressure monitor 243 of pressure in described static mixer 230; Concrete, described pressure monitor 243 is arranged at the top of described housing 234, for the pressure in this housing 234 is monitored; It is additionally provided with discharge pressure pipe 242 on the top of described housing 234, and is additionally provided with purge valve 241 on this discharge pressure pipe 242; This purge valve is possible to prevent the excessive generation having an accident of the pressure in housing.
Further, the port of export of the design also fresh water (FW) import 233 in described housing 234 is additionally provided with the distributor 240 that drenches with rain; And the port of export of the ammonia import in described housing is provided with ammonia distributor, in the design, the gas outlet of described ammonia distributor is arranged down; And described ammonia distributor it include the connecting tube 238 docked with the port of export of described ammonia import 231, a number of ammonia distributor pipe 239 being uniformly distributed in this connecting tube 238 circumferential edge, described ammonia distributor pipe 239 is connected with described ammonia import 231 by connecting tube 238, offers ammonia spout 244 on the lower section tube wall of described ammonia distributor pipe 239; Described ammonia distributor pipe 239 is positioned at same level and rounded is uniformly distributed; It is arranged at ammonia spout on described ammonia distributor pipe 239 244 for multiple, and is uniformly distributed along the axial direction of described 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 additionally provided with a number of Pall ring 235 in the described housing 234 drenched with rain between distributor 240 and described ammonia distributor, and described Pall ring 235 is piled up on the lower support net 236 being arranged in housing; Be additionally provided with supporting network 237 in the upper end of described Pall ring 235, described a number of Pall ring 235 is piled up between supporting network 237 and lower support net 236; Huge impulsive force can be cushioned by the design of this Pall ring in use its Pall ring, play phenomenons such as preventing or slow down the huge recoil of the interior generation of housing, shock; And described ammonia outlet 232 is arranged at described upper supporting network 237 and described drenches with rain between distributor 240.
In above-mentioned static mixer 230 application, the ammonia import 231 from below of its ammonia enters in housing, and ammonia is evenly distributed by ammonia distributor, simultaneously, its fresh water (FW) distributor 240 that drenches with rain from above falls in curtain of rain shape, ammonia forms ammonia after contacting in housing with water, and after reaction one end realizes, ammonia exports in 233 main heat exchangers being discharged into lower section by the mode of overflow from ammonia; And in the preparation process of above-mentioned ammonia, its pressure monitor is by the pressure in the static mixer of real-time monitoring the design, and once its purge valve of hypertonia is by pressure release, simultaneously, the water yield of fresh water (FW) in control entrance static mixer can also be passed through and realize reducing the effect of pressure in static mixer, naturally it is also possible to realize by controlling cut-out quick action emergency valve; And if to realize adjustment and prepare the concentration of ammonia, it is possible to controlled the unlatching size of VFC pump by controller, the how much realizations namely controlling to enter the amount of the fresh water (FW) in static mixer regulate the concentration of ammonia; And once this device generation ammonia leakage, its controller will automatically control the cut out of VFC pump and quick action emergency valve, stop the carrying out produced, guarantee safe carrying out, certainly, the automatization that can be realized aforesaid operations by controller noted above is carried out, and reaches save human and material resources and realize the purpose that automation and intelligentification controls.
Above-described main heat exchanger 260 is spiral winding tube type heat exchanger; Described spiral winding tube type heat exchanger includes having the tank body 265 of opening, the many spiral winding pipes 268 being arranged in this tank body 265 and being arranged at overhead gage 266 and the lower baffle plate 267 at the internal two ends up and down of described tank body 265, and described many spiral winding pipes 268 are arranged between overhead gage 266 and lower baffle plate 267; The upper end open of described many spiral winding pipes 268 runs through described overhead gage 266 and arranges, and connects composition ammonia import 261 with the upper end open of described tank body 265; The lower ending opening of described many spiral winding pipes 268 runs through described lower baffle plate 267 and arranges, and connects composition ammonia delivery outlet 261 with the lower ending opening of described tank body 265; And be additionally provided with in the middle and upper part of described tank body 265 circulate water control backwater valve with this recirculated water outlet 262 of recirculated water outlet 262(of regional connectivity between overhead gage 266 and lower baffle plate 267 with Fig. 1 and recirculated water backwater connects), and be additionally provided with in the middle and lower part of described tank body with this recirculated water water inlet 263 of recirculated water water inlet 263(of regional connectivity between overhead gage and lower baffle plate and the second quick action emergency valve in Fig. 1 and on recirculated water water connect).
Further, the described many spiral winding pipes in the design are provided with gap between the outer tube wall of adjacent two spiral winding pipes 268;The inwall of every spiral winding pipe in described many spiral winding pipes 268 is provided with projection 269; The projection 269 being arranged on every spiral winding inside pipe wall is circular protrusion or the helical form projection for arranging around its inwall; Meanwhile, the design can also be provided with projection or groove on the outer wall of every spiral winding pipe in described many spiral winding pipes; The concrete projection being arranged on described every spiral winding pipe outer wall or groove are circular protrusion or annular recess, or being arranged at the projection on described every spiral winding pipe outer wall or groove is helical form projection or helical groove, this design in use contact area that can increase between recirculated water and spiral winding pipe 268 increases the efficiency of its heat exchange.
In the main heat exchanger of above-mentioned design uses, its ammonia enters in tank body 265 from top ammonia import 261, cooling circulating water enters from the recirculated water water inlet 263 of lower end, ammonia is when entering in many spiral winding pipes 268, heat exchange is carried out by the tube wall of many spiral winding pipes 268 and cooling circulating water, make cooling circulating water that ammonia is dropped heat, drop the ammonia delivery outlet 264 from below of the ammonia after heat to discharge simultaneously, and the recirculated water after heating up is discharged from the recirculated water outlet 262 on top, it is achieved the cooling of ammonia is processed, and adopt the spiral winding tube type heat exchanger of above-mentioned design in use to have the function of ant-scaling, the ammonia source that this device in use can be suitable for multiple credit rating is made (to include gas ammonia, useless ammonia and recovery ammonia), multiple-quality water (includes tap water, subsoil water and natural water), and why the design's can anti-tartar be that to should be it smooth and have ripple, namely the projection on above-mentioned spiral winding pipe 268 inwall, projection on this spiral winding inside pipe wall or ripple are in use, namely the pulling-out force between tube-to-tube sheet connection is eliminated, also improve service life, reduce maintenance cost, also make simultaneously ammonia and cooling water through pipe in/manage outer time produce strong end stream effect, impurity deposition probability is reduced, fouling tendency is low, even if in use there being the impurity of a small amount of attachment, also can because of the start-stop of this device, the great variety (when opening pipe Nei Wenduda 105 DEG C) of the temperature difference makes fouling come off because of the dilatation of spiral winding pipe, therefore this device solves this difficult problem of fouling so that this device need not use pure water when preparing industrial ammonia, reduces the production cost of enterprise.
Further, in order to realize the dual utilization to the energy in the design, native system it also include cold energy source range site and heat energy range site, its first water of including connecting with the water inlet on described liquid ammonia vaporization device of described cold energy source range site provides source and the cold water energy utilization device connected with the outlet on described liquid ammonia vaporization device; By described cold water energy utilization device, the cold water gone out through liquid ammonia vaporization device is carried out storing maybe by the energy transfer in this cold water; Concrete, described cold water energy utilization device it include the second radiator 250 of connecting with the outlet on described liquid ammonia vaporization device. In use the outlet on above-described second radiator 250 can also corresponding with the water inlet 214 on described liquid ammonia vaporization device connect, to constitute waterway circulating; Preferably, the outlet 213 on described liquid ammonia vaporization device 210 is by water supply pump connection corresponding to the water inlet of described second radiator 250.To sum up, two kinds of energy in ammonia preparation process effectively can be utilized by the use of the cold energy source range site of native system and heat energy range site, such as can be used for warming oneself in winter by native system, be used for summer enjoying the cool; And can very easily external for cold and hot both energy output be utilized by native system, realize making full use of and not wasting of energy, and then make the investment of enterprise be substantially reduced, operating cost reduces and produces added benefit, it is achieved the advantage 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.
Further, its second water of including connecting with the recirculated water water inlet on described main heat exchanger of above-described heat energy range site provides source and hot water energy utilization device connect with the recirculated water outlet on described main heat exchanger, is undertaken storing maybe by the energy transfer in this hot water by this hot water energy utilization device by the hot water gone out through main heat exchanger; Concrete, described hot water energy utilization device it include the first radiator 251 of connecting with the recirculated water outlet 263 on described main heat exchanger 260, in use the outlet on above-described first radiator 251 can also corresponding with the recirculated water water inlet 262 on described main heat exchanger 260 connect, to constitute waterway circulating; Preferably, the recirculated water outlet 263 on described main heat exchanger is by heat-exchanger pump connection corresponding to the water inlet on described first radiator 251.
Further, the design it also include that controller, above-described pressure monitor 243, VFC pump and first described quick action emergency valve the 105, second quick action emergency valve 106 are all corresponding with described controller to be connected; Preferably, described controller includes PLC, and it also includes being arranged at described static mixer 230 sidewall and being arranged at multiple ammonia alarms of described ammonia preparing device 200 sidepiece simultaneously, and certainly, described ammonia alarm is also corresponding with described controller to be connected.
Further, native system it also include ammonia storage tank 109, described ammonia storage tank 109 is connected with the ammonia delivery outlet on described main heat exchanger 260 by the first control valve 108, it is additionally provided with ammonia outlet in the bottom of described ammonia storage tank 109, and is additionally provided with ammonium hydroxide delivery pump 110 in this ammonia outlet, further, it also includes ammonia tourie 111, it is arranged at the ammonia inlet pipe in described ammonia tourie 111, the port of export of described ammonia inlet pipe is arranged at below the liquid level in described ammonia tourie 111, and described ammonia inlet pipe is connected with the top of described ammonia storage tank by pipeline, and pass sequentially through pipeline via the ammonia of ammonia storage tank discharge, ammonia inlet pipe enters in described ammonia tourie, by this design in use, unreacted ammonia is again introduced in ammonia tourie 111 after in ammonia storage tank 109 inlet wire absorption entering, simultaneously, in order to realize fully absorbing the ammonia entered in ammonia tourie 111 as much as possible, the design it also include the internal ammonia double absorption tower 112 for hollow structure, the bottom of described ammonia double absorption tower 112 connects with the top of described ammonia tourie 111, it is provided with spray head 113 at the top within described ammonia double absorption tower 112, described spray head 113 is connected with water source by feed pump, be additionally provided with the relief tube 114 connected with this ammonia double absorption tower internal cavities on the top of described ammonia double absorption tower 112, the internal cavities of described ammonia double absorption tower 112 is in communication with the outside by described relief tube 114.Further the design it also include many concentration ammonia storage tank 118, the top of described many concentration ammonia storage tank 188 is provided with multiple feed tube, and is additionally provided with liquid inlet control valve 119,120,121 on described feed tube; The bottom of described many concentration ammonia storage tank 118 passes sequentially through the second control valve 117, transition pump the 116, the 3rd controls valve 115 connection corresponding to described ammonia tourie 111. In use can the ammonia of multiple concentration or remaining residue ammonia be entered in it in its many concentration ammonia storage tank 118, and by the ammonia in its many concentration ammonia storage tank 118 again squeeze in ammonia tourie 111, realize the ammonia in its many concentration ammonia storage tank 118 is integrated, also can improve the ammonia concn in its ammonia tourie 111 simultaneously.
To sum up by the use of above-mentioned native system, in native system compared with the equipment of existing employing integrated design, there is the advantage that volume can become less, in hgher efficiency, native system can be suitable for the ammonia source (include gas ammonia, useless ammonia and reclaim ammonia) of multiple credit rating, multiple-quality water (including tap water, subsoil water and natural water) simultaneously, can manufacture electron level ammonia and the industrial ammonia of less than 35% various concentration according to user's request through this device simultaneously; Furthermore two kinds of energy in ammonia preparation process effectively can be utilized by the use of native system, such as can be used for warming oneself in winter by native system, be used for summer enjoying the cool; And can very easily external for cold and hot both energy output be utilized by native system, realize making full use of and not wasting of energy, and then make the investment of enterprise be substantially reduced, operating cost reduces and produces added benefit, it is achieved the advantage 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.
What embodiment of the present utility model was announced is preferred embodiment; but it is not limited thereto; those of ordinary skill in the art; very easily according to above-described embodiment; understand spirit of the present utility model; and make different amplifications and change, but as long as without departing from spirit of the present utility model, all in protection domain of the present utility model.
Claims (10)
1. an ammonia preparation system, it includes ammonia preparing device; It is characterized in that: described ammonia preparing device it include for enter ammonia and fresh water (FW) mix and form the static mixer of ammonia; The fresh water (FW) import of described static mixer connects by VFC pump is corresponding with fresh water (FW) offer source; The ammonia source import of described ammonia preparing device connects by quick action emergency valve is corresponding with ammonia offer source; Also include for monitoring the pressure monitor of pressure in described static mixer; Also include all corresponding with the described controller connection of controller, described pressure monitor, VFC pump and described quick action emergency valve;
Described ammonia preparing device it also include the main heat exchanger for liquid ammonia vaporization device that liquid ammonia gasification is ammonia, the ammonia that is used for that static mixer is formed being dropped heat; Ammonia outlet on described liquid ammonia vaporization device is corresponding with the ammonia import on described static mixer to be connected, and the ammonia outlet of described static mixer is corresponding with described main heat exchanger to be connected.
2. ammonia preparation system as claimed in claim 1, it is characterized in that: described controller includes PLC, also including being arranged at described static mixer sidewall and being arranged at multiple ammonia alarms of described ammonia preparing device sidepiece, described ammonia alarm is also corresponding with described controller to be connected.
3. ammonia preparation system as claimed in claim 1, it is characterised in that: described liquid ammonia vaporization device, static mixer and main heat exchanger three are independent separate body structure; Also including outer package housing, described liquid ammonia vaporization device, static mixer and main heat exchanger three encapsulate via described outer package housing;
Described ammonia source import is the liquefied ammonia import being arranged on described liquid ammonia vaporization device and the ammonia import being arranged on described static mixer; Described liquefied ammonia import connects by the first quick action emergency valve is corresponding with liquefied ammonia offer source, and the ammonia import on described static mixer connects also by the second quick action emergency valve is also corresponding with ammonia offer source.
4. ammonia preparation system as claimed in claim 3, it is characterized in that: described static mixer it include the internal housing for cavity, described fresh water (FW) import is arranged on the top of described housing and connects with the cavity in described housing, described ammonia import is arranged on the bottom of described housing and connects with the cavity in described housing, and the port of export of described ammonia import is arranged down; The outlet of described ammonia is arranged on the middle and upper part of described housing and connects with the cavity in described housing; Described pressure monitor is arranged at the top of described housing, for the pressure in this housing is monitored; It is additionally provided with discharge pressure pipe on the top of described housing, and is additionally provided with purge valve on this discharge pressure pipe; The port of export of the fresh water (FW) import in described housing is additionally provided with the distributor that drenches with rain;
Being provided with ammonia distributor on the port of export of the ammonia import in described housing, the gas outlet of described ammonia distributor is arranged down; Described ammonia distributor it include the connecting tube docked with the port of export of described ammonia import, a number of ammonia distributor pipe being uniformly distributed in this connecting tube circumferential edge, described ammonia distributor pipe, by connecting tube and described ammonia inlet communication, offers ammonia spout on the lower section tube wall of described ammonia distributor pipe; Described ammonia distributor pipe is positioned at same level and rounded is uniformly distributed; The ammonia spout being arranged on described ammonia distributor pipe is multiple, and is uniformly distributed along the axial direction of described ammonia distributor pipe; The aperture of described ammonia spout is 0.50mm-20.0mm;
Being additionally provided with a number of Pall ring in the described housing drenched with rain between distributor and described ammonia distributor, it is online that described Pall ring piles up the lower support being arranged in housing; Be additionally provided with supporting network in the upper end of described Pall ring, described a number of Pall ring is piled up between supporting network and lower support net; The outlet of described ammonia is arranged at described upper supporting network and described drenches with rain between distributor.
5. ammonia preparation system as claimed in claim 4, it is characterised in that: described main heat exchanger is spiral winding tube type heat exchanger; Described spiral winding tube type heat exchanger includes the tank body having opening, the many spiral winding pipes being arranged in this tank body and is arranged at overhead gage and the lower baffle plate at the upper and lower two ends of described tank interior, and described many spiral winding pipes are arranged between overhead gage and lower baffle plate; The upper end open of described many spiral winding pipes runs through described overhead gage and arranges, and connects composition ammonia import with the upper end open of described tank body; The lower ending opening of described many spiral winding pipes runs through described lower baffle plate and arranges, and connects composition ammonia delivery outlet with the lower ending opening of described tank body; And the recirculated water outlet being additionally provided with between overhead gage and lower baffle plate in the middle and upper part of described tank body regional connectivity, and the recirculated water water inlet being additionally provided with between overhead gage and lower baffle plate in the middle and lower part of described tank body regional connectivity;
Described many spiral winding pipes are provided with gap between the outer tube wall of adjacent two spiral winding pipes;The inwall of every spiral winding pipe in described many spiral winding pipes is provided with projection; Being arranged at the projection on every spiral winding inside pipe wall is circular protrusion or the helical form projection for arranging around its inwall; The outer wall of every spiral winding pipe in described many spiral winding pipes is provided with projection or groove; It is arranged at the projection on described every spiral winding pipe outer wall or groove is circular protrusion or annular recess, or be arranged at the projection on described every spiral winding pipe outer wall or groove is helical form projection or helical groove.
6. ammonia preparation system as claimed in claim 5, it is characterized in that: native system it also include cold energy source range site and heat energy range site, range site its first water of including connecting with the water inlet on described liquid ammonia vaporization device in described cold energy source provides source and the cold water energy utilization device connected with the outlet on described liquid ammonia vaporization device; By described cold water energy utilization device, the cold water gone out through liquid ammonia vaporization device is carried out storing maybe by the energy transfer in this cold water; Described cold water energy utilization device it include the second radiator of connecting with the outlet on described liquid ammonia vaporization device,
Its second water of including connecting with the recirculated water water inlet on described main heat exchanger of described heat energy range site provides source and hot water energy utilization device connect with the recirculated water outlet on described main heat exchanger, is undertaken storing maybe by the energy transfer in this hot water by this hot water energy utilization device by the hot water gone out through main heat exchanger; Described hot water energy utilization device it include the first radiator of connecting with the recirculated water outlet on described main heat exchanger.
7. ammonia preparation system as claimed in claim 6, it is characterised in that: also including ammonia storage tank, described ammonia storage tank is connected with the ammonia delivery outlet on described main heat exchanger by the first control valve; It is additionally provided with ammonia outlet in the bottom of described ammonia storage tank, and is additionally provided with ammonium hydroxide delivery pump in this ammonia outlet.
8. ammonia preparation system as claimed in claim 7, it is characterized in that: the ammonia inlet pipe also including ammonia tourie, being arranged in described ammonia tourie, the port of export of described ammonia inlet pipe is arranged at below the liquid level in described ammonia tourie, and described ammonia inlet pipe connect with the top of described ammonia storage tank by pipeline, and pass sequentially through in pipeline, the ammonia inlet pipe described ammonia tourie of entrance via the ammonia of ammonia storage tank discharge.
9. ammonia preparation system as claimed in claim 8, it is characterized in that: also include the internal ammonia double absorption tower for hollow structure, the bottom of described ammonia double absorption tower connects with the top of described ammonia tourie, being provided with spray head at the top within described ammonia double absorption tower, described spray head is connected with water source by feed pump; Be additionally provided with the relief tube connected with this ammonia double absorption tower internal cavities on the top of described ammonia double absorption tower, the internal cavities of described ammonia double absorption tower is in communication with the outside by described relief tube.
10. ammonia preparation system as claimed in claim 8, it is characterised in that: also including many concentration ammonia storage tank, the top of described many concentration ammonia storage tank is provided with at least one feed tube, and is additionally provided with liquid inlet control valve on described feed tube; The bottom of described many concentration ammonia storage tank passes sequentially through the second control valve, transition pump, the 3rd control valve connection corresponding to described ammonia tourie.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620001170.6U CN205288123U (en) | 2016-01-04 | 2016-01-04 | Aqueous ammonia preparation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620001170.6U CN205288123U (en) | 2016-01-04 | 2016-01-04 | Aqueous ammonia preparation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205288123U true CN205288123U (en) | 2016-06-08 |
Family
ID=56484802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620001170.6U Active CN205288123U (en) | 2016-01-04 | 2016-01-04 | Aqueous ammonia preparation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205288123U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105478023A (en) * | 2016-01-04 | 2016-04-13 | 江西江氨科技有限公司 | Ammonia water preparation system |
| CN106731516A (en) * | 2016-12-20 | 2017-05-31 | 利民化工股份有限公司 | A kind of ammoniacal liquor is prepared and exhaust gas recovery system and method |
| CN109569415A (en) * | 2017-09-29 | 2019-04-05 | 无锡市锦秀石化机械设备制造有限公司 | A kind of novel energy-conserving ammonium hydroxide preparation sled |
-
2016
- 2016-01-04 CN CN201620001170.6U patent/CN205288123U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105478023A (en) * | 2016-01-04 | 2016-04-13 | 江西江氨科技有限公司 | Ammonia water preparation system |
| CN106731516A (en) * | 2016-12-20 | 2017-05-31 | 利民化工股份有限公司 | A kind of ammoniacal liquor is prepared and exhaust gas recovery system and method |
| CN109569415A (en) * | 2017-09-29 | 2019-04-05 | 无锡市锦秀石化机械设备制造有限公司 | A kind of novel energy-conserving ammonium hydroxide preparation sled |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205288123U (en) | Aqueous ammonia preparation system | |
| CN105478023B (en) | Ammoniacal liquor preparation system | |
| CN109958882A (en) | A kind of water electrolysis hydrogen production and alloy hydrogen storage integrated control system | |
| CN104383786A (en) | Method for separating ammonia carbon in melamine tail gas | |
| CN108117215A (en) | High-salt wastewater cycles tubulation atmospheric evaporation decrement treatment method and apparatus | |
| CN208757276U (en) | A kind of device of scale reducing nitrogen oxides during preparation of silver nitrate discharge | |
| CN105009994B (en) | The vertical carbon-dioxide generator in greenhouse | |
| CN206424752U (en) | Exhaust gas processing device for producing melamine | |
| CN211078494U (en) | Urea catalytic hydrolysis ammonia production equipment | |
| CN210366984U (en) | System for tower continuous method production sodium hypochlorite | |
| CN205288135U (en) | Aqueous ammonia preparation facilities with adjustable concentration of pressure automatic control | |
| CN209109150U (en) | A kind of trona brine room temperature carbonization synthesizer | |
| CN107555487A (en) | The freezing and crystallizing and recovery process of Waste Sulfuric Acid after acid cleaning of steel tube | |
| CN209752879U (en) | Molecular sieve reaction kettle rapid cooling process device | |
| CN101941679A (en) | Method for producing sodium chlorate through low-temperature vacuum evaporation and crystallization | |
| CN207726912U (en) | A kind of high-salt wastewater cycle tubulation atmospheric evaporation decrement treatment equipment | |
| CN202566172U (en) | Device used for increasing dissolved oxygen content in instant tea | |
| CN205873914U (en) | Ammonium bifluoride production system | |
| CN216080464U (en) | Comprehensive energy recycling device for chlor-alkali plant | |
| CN203949522U (en) | A kind of interior circulated water-cooled vapour condensation device | |
| CN216336692U (en) | Recycling device for condensed water in deuterium-depleted water preparation process | |
| CN102921185B (en) | Double-effect continuous crystallization device | |
| CN212778716U (en) | Steam recovery device | |
| CN220981717U (en) | Novel mother liquor water cooling and secondary utilization system | |
| CN204162675U (en) | Without circulation methanation system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |