CN104211087B - A kind of high concentration ammonia match system and preparation technology thereof - Google Patents
A kind of high concentration ammonia match system and preparation technology thereof Download PDFInfo
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- CN104211087B CN104211087B CN201410336712.0A CN201410336712A CN104211087B CN 104211087 B CN104211087 B CN 104211087B CN 201410336712 A CN201410336712 A CN 201410336712A CN 104211087 B CN104211087 B CN 104211087B
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Abstract
The present invention provides a kind of high concentration ammonia match system and preparation technology thereof, including liquid ammonia evaporator, ammonia preparing device and ammonia orchestration；Liquid ammonia evaporator is provided with the first liquefied ammonia entrance, steam inlet and the first ammonia outlet, ammonia preparing device is provided with the second liquefied ammonia entrance, the second ammonia outlet and ammonia inlet and ammonia product outlet, and ammonia orchestration is provided with ammonia entrance, desalted water entrance exports with ammonia；First ammonia outlet of liquid ammonia evaporator, the second ammonia outlet of ammonia preparing device are all connected with the ammonia entrance of ammonia orchestration；The ammonia outlet of ammonia orchestration is connected with the ammonia inlet of ammonia preparing device；Described ammonia match system also includes that circulating cooling water tower, liquid ammonia evaporator and ammonia orchestration are equipped with the cooling water circulation pipeline being connected with circulating cooling water tower.The ammonia match system of the present invention is no longer necessary to circulation and prepares enrichment, and one way can prepare the ammonia at concentrations up to 30%；Producing and do not affected by temperature, the four seasons all can produce high concentration ammonia.
Description
Technical field
The present invention relates to a kind of high concentration ammonia match system and preparation technology thereof, especially relate to a kind of knot
Structure is compact, concentration adjustable automatization ammonia system is equipped puts.
Background technology
Raw material based on ammonia, is applied to commercial production, agrochemical, in the field such as chemical industry, scientific research
As Standard Gases, preparation normal mixture etc..Under national energy-saving reduces discharging the requirement of policy, each high-power station,
NO in steel mill and newly-built boiler factory removing flue gasXExtremely urgent.Use SNCR
(Selective Non-Catalytic Reduction, write a Chinese character in simplified form SNCR) technique can be by NOx discharge
It is down to about 200mg/Nm3.Wherein it is accomplished by ammonia as reducing agent.Ammonia orchestration is reducing agent
Nucleus equipment in preparation process.
At present, the preparation technology flow process of ammonia mainly has: bubble absorption, bubble column absorb and liquefied ammonia is direct
Absorption process.Under normal pressure, the concentration of ammonia is 5～6%, and this method can only be used as tail gas recycle.Bubble column
Absorb the operation of this technological equipment investment height and Concerning Flooding Phenomenon easily occurs.The direct absorption process of liquefied ammonia, direct with liquefied ammonia
Contact with water.This technique is big due to the gasification latent heat of liquefied ammonia, removes, otherwise equipment pipe when wanting anxious during production
Road is susceptible to liquid hammer, the Frequent Accidents that time serious, ammonia vessel top is broken through.
Summary of the invention
The problem to be solved in the present invention is to provide a kind of high concentration ammonia match system, uses above-mentioned ammonia to inhale
Receiving device, its system used device is few, and self-produced ammonia integrated cost is low.
For solving above-mentioned technical problem, the technical solution used in the present invention is: a kind of high concentration ammonia system is joined
System, it is characterised in that: include liquid ammonia evaporator, ammonia preparing device and ammonia orchestration；Liquefied ammonia evaporates
Device is provided with the first liquefied ammonia entrance, steam inlet and the first ammonia outlet, and ammonia preparing device is provided with the second liquefied ammonia
Entrance, the second ammonia outlet and ammonia inlet and ammonia product outlet, ammonia orchestration be provided with ammonia entrance,
Desalted water entrance exports with ammonia；First ammonia outlet of liquid ammonia evaporator, the second ammonia of ammonia preparing device
Gas outlet is all connected with the ammonia entrance of ammonia orchestration；The ammonia outlet of ammonia orchestration is prepared with ammonia
The ammonia inlet of device is connected；Described ammonia match system also includes circulating cooling water tower, liquid ammonia evaporator and
Ammonia orchestration is equipped with the cooling water circulation pipeline being connected with circulating cooling water tower.
After the ammonia that described liquid ammonia evaporator, ammonia preparing device are prepared is fed directly to also by pipeline
Method, system.
Further, described first liquefied ammonia entrance, the second liquefied ammonia entrance are all by liquefied ammonia inlet ductwork and a liquid
Ammonia storage tank is connected.
The pressure regulation for liquefied ammonia of filter, air relief valve and regulation valve it is sequentially provided with in described liquefied ammonia inlet ductwork
Voltage stabilizing.
Further, described desalted water entrance front end is desalted water entrance pipe, and desalted water entrance pipe sets
There are desalted water booster pump and desalted water effusion meter.
Further, described cooling water circulation pipeline includes cooling down water feedwater piping and CWR road,
Liquid ammonia evaporator, ammonia orchestration are equipped with cooling water inlet and coolant outlet, and cooling water inlet is with cold
But water feedwater piping is connected, and coolant outlet is connected with CWR road.Described cooling water feed pipe
Road is provided with cooling pump.
Further, described ammonia product outlet connects ammonia product outlet pipeline, ammonia product outlet pipeline
It is provided with densimeter.
Preferably, described liquid ammonia evaporator is coil pipe type gasifier, and described steam inlet arranges venturi spray
Emitter.Using coil exchanger, liquefied ammonia, in coil pipe, is warm water in equipment, and steam is through venturi
Pipe sprays in equipment, heats warm water.
The preparation technology of a kind of high concentration ammonia: liquefied ammonia is by the first liquefied ammonia entrance, the second liquefied ammonia entrance respectively
Enter liquid ammonia evaporator and ammonia preparing device, carry out liquid ammonia gasification, prepare ammonia；Desalted water is by desalination
Water inlet enters ammonia orchestration；The ammonia prepared mixes generation ammonia in ammonia orchestration with desalted water
Water, ammonia enters again in ammonia preparing device；Liquid ammonia evaporator, ammonia preparing device are same when equipment just starts
Shi Yunhang, for liquid ammonia gasification, along with the increase of ammonia preparation amount, the ammonia that ammonia preparing device is made by
Gradually reaching expection consumption, at this moment close liquid ammonia evaporator, whole system reaches balance；In ammonia preparing device
Liquefied ammonia and ammonia heat exchange, a large amount of liquid ammonia gasifications, the ammonia after gasification enter again in ammonia orchestration with desalination
Water mixes, and mixed high temperature ammonia first passes around recirculated cooling water and tentatively cools down, enters back into ammonia and prepare
With liquefied ammonia heat exchange in device, so circulation is carried out, after the ammonia in ammonia preparing device and liquefied ammonia carry out heat exchange,
Produce the ammonia finished product of low temperature, flow out from ammonia product outlet.
The present invention has the advantage that with good effect: the ammonia match system of the present invention is no longer necessary to circulation
Preparing enrichment, one way can prepare the ammonia at concentrations up to 30%；Produce and do not affected by temperature, the four seasons
All can produce high concentration ammonia.
Accompanying drawing explanation
Fig. 1 is the structural representation of ammonia match system of the present invention
In figure:
A, desalted water；B, steam；C, rear method, system；D, ammonia finished product；1, desalted water booster pump；
2, desalted water effusion meter；3, ammonia orchestration；4, ammonia preparing device；5, liquid ammonia evaporator；6、
Liquid ammonia storage tank；7, circulating water cooling tower；8, filter；9, air relief valve；10, the first liquefied ammonia entrance；
11, steam inlet；12, the first ammonia outlet；13, the second liquefied ammonia entrance；14, the second ammonia outlet；
15, ammonia outlet；16, ammonia entrance；17, ammonia outlet；18, desalted water entrance；19, cooling
Water water return pipeline；20, densimeter；21, cooling water feedwater piping；22, ammonia product outlet pipeline；
23, regulation valve；24, cooling pump.
Detailed description of the invention
A kind of high concentration ammonia match system, joins including liquid ammonia evaporator 5, ammonia preparing device 4 and ammonia system
Device 3；Liquid ammonia evaporator 5 is provided with the first liquefied ammonia entrance 10, steam inlet 11 and the first ammonia outlet 12,
Ammonia preparing device 4 is provided with second liquefied ammonia entrance the 13, second ammonia outlet 14 and ammonia inlet 15 and ammonia
Product outlet, ammonia orchestration 3 is provided with ammonia entrance 16, desalted water entrance 18 exports 15 with ammonia；
First ammonia outlet 12 of liquid ammonia evaporator 5, ammonia preparing device 4 the second ammonia outlet 14 all and ammonia
The ammonia entrance 16 of water orchestration 3 is connected；Ammonia outlet 17 and the ammonia preparing device of ammonia orchestration 3
The ammonia inlet 15 of 4 is connected；Ammonia match system also includes circulating cooling water tower 7, liquid ammonia evaporator 5
The cooling water circulation pipeline being connected with circulating cooling water tower 7 it is equipped with ammonia orchestration 3.
First liquefied ammonia entrance the 10, second liquefied ammonia entrance 13 is all by liquefied ammonia inlet ductwork and a liquid ammonia storage tank 6
It is connected, liquefied ammonia inlet ductwork is sequentially provided with filter 8, air relief valve 9 and regulation valve 24 for liquefied ammonia
Voltage-regulation voltage-stabilization.
Desalted water entrance 18 front end is desalted water entrance pipe, and desalted water entrance pipe is provided with desalted water and increases
Press pump 1 and desalted water effusion meter 2.
Liquid ammonia evaporator 5 is coil pipe type gasifier, and steam inlet 11 arranges venturi-type eductors.Employing dish
Pipe heat exchanger, liquefied ammonia, in coil pipe, is warm water in equipment, steam in Venturi tube sprays into equipment,
Heating warm water.
Wherein, cooling water circulation pipeline includes cooling down water feedwater piping 21 and CWR road 19,
Liquid ammonia evaporator 5, ammonia orchestration 3 are equipped with cooling water inlet and coolant outlet, cooling water inlet
Being connected with cooling water feedwater piping 21, coolant outlet is connected with CWR road 19.Cooling water
Feedwater piping 21 is provided with cooling pump 24.
Ammonia product outlet connects ammonia product outlet pipeline 22, and ammonia product outlet pipeline 22 is provided with
Densimeter 20.
Liquefied ammonia is by the liquid ammonia storage tank 6 air relief valve 9 in liquefied ammonia inlet ductwork, filter 8 and regulation valve
After voltage-regulation voltage-stabilization, respectively enter liquid ammonia evaporator by first liquefied ammonia entrance the 10, second liquefied ammonia entrance 13
5 and ammonia preparing device 4, carry out liquid ammonia gasification, prepare ammonia, then through the first ammonia outlet 12,
Second ammonia outlet 14, ammonia entrance 15 enter ammonia orchestration 3；Prepared by liquid ammonia evaporator 5, ammonia
The ammonia that device 3 is prepared is fed directly to rear method, system C also by pipeline and is used as other purposes.
Desalted water, is passed through through desalted water booster pump 1 and desalted water effusion meter 2 by desalted water entrance pipe
Desalted water entrance 18 enters ammonia orchestration 3.
Ammonia mixes generation ammonia in ammonia orchestration 3 with desalted water, and ammonia exports 17 further through ammonia
Ammonia inlet 15 enters in ammonia preparing device 4, with ammonia heat exchange.
Liquid ammonia evaporator 5, ammonia preparing device 4 run when equipment just starts simultaneously, for liquid ammonia gasification,
Along with the increase of ammonia preparation amount, the ammonia that ammonia preparing device 4 is made progressivelyes reach expection consumption, at this moment
Closing liquid ammonia evaporator 5, whole system reaches balance；Liquefied ammonia and ammonia heat exchange in ammonia preparing device 4,
A large amount of liquid ammonia gasifications, the ammonia after gasification enters again in ammonia orchestration 3 and mixes with desalted water, after mixing
High temperature ammonia first pass around recirculated cooling water and tentatively cool down, enter back in ammonia preparing device 4 and change with liquefied ammonia
Heat, so circulation are carried out, and after the ammonia in ammonia preparing device 4 and liquefied ammonia carry out heat exchange, produce low temperature
Ammonia finished product, from ammonia product outlet flow out；
Ammonia is dissolved in water and releases substantial amounts of heat, arranges tubular heat exchanger, pass through in ammonia orchestration 3
The partial heat that ammonia is produced by recirculated cooling water is derived, and then the ammonia with uniform temperature enters ammonia
Preparing device 4 carries out heat exchange, ammonia temperature drops to less than 25 DEG C, liquid ammonia gasification is become gaseous state simultaneously
Ammonia entrance next stage carries out ammonia to be prepared.
Above embodiments of the invention are described in detail, but described content has been only the preferable of the present invention
Embodiment, it is impossible to be considered the practical range for limiting the present invention.All according to the scope of the invention made equal
Deng change and improvement etc., within all should still belonging to this patent covering scope.
Claims (10)
1. a high concentration ammonia match system, it is characterised in that: include prepared by liquid ammonia evaporator, ammonia
Device and ammonia orchestration；Liquid ammonia evaporator is provided with the first liquefied ammonia entrance, steam inlet and the first ammonia outlet,
Ammonia preparing device is provided with the second liquefied ammonia entrance, the second ammonia outlet and ammonia inlet and ammonia product outlet,
Ammonia orchestration is provided with ammonia entrance, desalted water entrance exports with ammonia；First ammonia of liquid ammonia evaporator
Outlet, the second ammonia outlet of ammonia preparing device are all connected with the ammonia entrance of ammonia orchestration；Ammonia system
The ammonia outlet of orchestration is connected with the ammonia inlet of ammonia preparing device；Described ammonia match system also includes following
Ring cooling tower, liquid ammonia evaporator and ammonia orchestration are equipped with the cooling water being connected with circulating cooling water tower
Circulating line.
Ammonia match system the most according to claim 1, it is characterised in that: described liquid ammonia evaporator,
The ammonia that ammonia preparing device is prepared can be fed directly to rear method, system by pipeline.
Ammonia match system the most according to claim 1, it is characterised in that: described first liquefied ammonia enters
Mouth, the second liquefied ammonia entrance are all connected with a liquid ammonia storage tank by liquefied ammonia inlet ductwork.
Ammonia match system the most according to claim 3, it is characterised in that: described liquefied ammonia inlet tube
Filter, air relief valve and regulation valve it is sequentially provided with on road.
Ammonia match system the most according to claim 1, it is characterised in that: described desalted water entrance
Front end is desalted water entrance pipe, and desalted water entrance pipe is provided with desalted water booster pump and desalted water flow
Meter.
Ammonia match system the most according to claim 1, it is characterised in that: described cooling water circulation
Pipeline includes cooling down water feedwater piping and CWR road, and liquid ammonia evaporator, ammonia orchestration are all provided with
Having cooling water inlet and coolant outlet, cooling water inlet to be connected with cooling water feedwater piping, cooling water goes out
Mouth is connected with CWR road.
Ammonia match system the most according to claim 6, it is characterised in that: described cooling water feeds water
Pipeline is provided with cooling pump.
Ammonia match system the most according to claim 1, it is characterised in that: described ammonia finished product goes out
Mouth connects ammonia product outlet pipeline, and ammonia product outlet pipeline is provided with densimeter.
Ammonia match system the most according to claim 1, it is characterised in that: described liquid ammonia evaporator
For coil pipe type gasifier, described steam inlet arranges venturi-type eductors.
10. the preparation technology of a high concentration ammonia, it is characterised in that: liquefied ammonia by the first liquefied ammonia entrance,
Second liquefied ammonia entrance respectively enters liquid ammonia evaporator and ammonia preparing device, carries out liquid ammonia gasification, prepares ammonia
Gas；Desalted water is entered ammonia orchestration by desalted water entrance；The ammonia prepared and desalted water are in ammonia system
In orchestration, mixing generates ammonia, and ammonia enters again in ammonia preparing device；Liquid ammonia evaporator, ammonia preparing device
Run when equipment just starts, for liquid ammonia gasification, along with the increase of ammonia preparation amount, ammonia system simultaneously
The ammonia that standby device is made progressivelyes reach expection consumption, at this moment closes liquid ammonia evaporator, and whole system reaches flat
Weighing apparatus；Liquefied ammonia and ammonia heat exchange in ammonia preparing device, a large amount of liquid ammonia gasifications, the ammonia after gasification enters again ammonia
Mixing with desalted water in water orchestration, it is the coldest that mixed high temperature ammonia first passes around recirculated cooling water
But, enter back in ammonia preparing device and carry out with liquefied ammonia heat exchange, so circulation, the ammonia in ammonia preparing device
After carrying out heat exchange with liquefied ammonia, produce the ammonia finished product of low temperature, flow out from ammonia product outlet.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410336712.0A CN104211087B (en) | 2014-07-15 | 2014-07-15 | A kind of high concentration ammonia match system and preparation technology thereof |
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| CN201410336712.0A CN104211087B (en) | 2014-07-15 | 2014-07-15 | A kind of high concentration ammonia match system and preparation technology thereof |
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| CN104211087B true CN104211087B (en) | 2016-08-24 |
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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 |
| CN109821432A (en) * | 2019-03-20 | 2019-05-31 | 山东恒昌聚材化工科技股份有限公司 | The device of ammonium hydroxide is prepared with liquefied ammonia |
| 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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| US5846386A (en) * | 1994-01-07 | 1998-12-08 | Startec Ventures, Inc. | On-site ammonia purification for semiconductor manufacture |
| CN101863495B (en) * | 2009-06-10 | 2012-10-03 | 北京九州美电科技有限公司 | Equipment for efficiently preparing ammonia water from liquid ammonia and water |
| CN103833048B (en) * | 2014-03-18 | 2015-08-12 | 长沙有色冶金设计研究院有限公司 | A kind of quick preparation system of ammoniacal liquor and method |
| CN204057979U (en) * | 2014-07-15 | 2014-12-31 | 天津奥利环保设备有限公司 | A kind of high density ammoniacal liquor match system |
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Effective date of registration: 20160503 Address after: 300384 Tianjin Huayuan Industrial Zone (outer ring) Haitai development two Road No. 3 Applicant after: TIANJIN DINGCHEN ENVIRONMENTAL PROTECTION TECHNOLOGY CO., LTD. Address before: 301700 Tianjin city Wuqing District Development Zone Fuyuan Road No. 18 511-32 (central office) Applicant before: TIANJIN OLIVE ENVIRONMENTAL PROTECTION EQUIPMENT CO., LTD. |
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Address after: 300384 Tianjin Binhai high tech Zone Huayuan Industrial Zone (outer ring) Haitai development two Road No. 3 Patentee after: Tianjin auarita environmental protection equipment Co. Address before: 300384 Tianjin Huayuan Industrial Zone (outer ring) Haitai development two Road No. 3 Patentee before: TIANJIN DINGCHEN ENVIRONMENTAL PROTECTION TECHNOLOGY CO., LTD. |