CN103673663B - A kind of method of saving during ultra-pure ammonia is produced the energy of vaporizing - Google Patents
A kind of method of saving during ultra-pure ammonia is produced the energy of vaporizing Download PDFInfo
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- CN103673663B CN103673663B CN201310568489.8A CN201310568489A CN103673663B CN 103673663 B CN103673663 B CN 103673663B CN 201310568489 A CN201310568489 A CN 201310568489A CN 103673663 B CN103673663 B CN 103673663B
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Abstract
The invention discloses a kind of method of saving during ultra-pure ammonia is produced the energy of vaporizing, rush down with air source water heater and natural gas hydrogen production plant the waste hot steam that pressure puts, mixed by automation, produce the hot water met in ultra-pure ammonia production required for liquid ammonia vaporization condition, substitute and usually use electrical heating to produce the mode of hot water, compared with Electric heating, can economize energy more than 80%, the market sale price of ultra-pure ammonia production cost and ultra-pure ammonia can be reduced further, for liquid crystal display (LCD), the development in the fields such as photoelectron and solar cell PV such as Organic Electricity laser display (OLED) and light emitting semiconductor device (LED) is made contributions.
Description
Technical field
The present invention relates to energy-conserving and emission-cutting technology field, rush down in particular to a kind of air source water heater and natural gas hydrogen production plant the waste hot steam that pressure puts to be mixed by automation, produce the hot water met in ultra-pure ammonia production required for each technique liquefied ammonia evaporation conditions, substitute and usually use electrical heating to produce the mode of hot water, compared with Electric heating, can economize energy more than 80%.
Background technology
Ultra-pure ammonia mainly asks the raw material grain of four major trades (can be described as be) as semiconductor light-emitting-diode (LED), flat-panel monitor (FPD), semiconductor and crystal silicon solar batteries sheet (four major trades), has close relationship for the development of raw-material quality and cost and industry.
The composition of ultra-pure ammonia prime cost aborning has following two aspects: one is primary industry liquefied ammonia, and two is the heat vaporized energy of each process point liquefied ammonia in production process.The domestic and international heat vaporized mode at production ultra-pure ammonia process each process point liquefied ammonia all adopts Electric heating at present.
The shortcoming of this type of technique is: because China's electric power resource is shorter, electricity price is more expensive, and therefore, in ultra-pure ammonia process, the proportion of grid electricity fee cost is comparatively large, to reduction ultra-pure ammonia production cost and market sale price cause difficulty further; Simultaneously, cost of goods manufactured is reduced further to four major trades such as China's semiconductor light-emitting-diode (LED), flat-panel monitor (FPD), semiconductor and crystal silicon solar batteries sheets and market sale price brings same difficulty, and constrain this four industry development to a certain extent.
Summary of the invention
Goal of the invention of the present invention is the shortcoming in order to overcome above-mentioned background technology, a kind of method of saving during ultra-pure ammonia is produced the energy of vaporizing is provided, in ultra-pure ammonia being produced, original Electric heating changes air source heat pump water heating technology into, simultaneously, rush down with natural gas hydrogen production plant the waste hot steam that pressure puts organically to combine, by the mixing of automated system, ultra-pure ammonia can be met and produce hot water demand needed for liquid ammonia vaporization condition in each technique, the energy more than 80% in ultra-pure ammonia production process can be saved.
Technical scheme of the present invention is: a kind of device saving during ultra-pure ammonia is produced the energy of vaporizing, it comprises: air source water heater, water circulating pump, hot water circuit tank, plate type heat exchanger, hot water circulating pump, steam mixer, liquid ammonia vaporization device, Automatic Temperature Control, temperature control valve (TCV) forms, the delivery port of described air source water heater upper end is by tubes connection hot water circuit tank, the water inlet of lower end connects hot water circuit tank by water circulating pump, described hot water circuit tank has two-way pipeline, a wherein connecting plate type heat exchanger, plate type heat exchanger connecting fluid ammonia vaporizer, be provided with between described plate type heat exchanger with liquid ammonia vaporization device and be connected valve, another pipeline connects hot water circulating pump, hot water circulating pump connects steam mixer, steam mixer connecting fluid ammonia vaporizer, described steam mixer is connected with plate type heat exchanger by an independent pipeline, this pipeline is provided with steam inlet, temperature control valve (TCV) is provided with below steam mixer, floss hole is provided with below described plate type heat exchanger, two temperature control valve (TCV)s are respectively equipped with at the floss hole port of export and its corresponding position, three described temperature control valve (TCV)s are connected with Automatic Temperature Control respectively by three circuit.
Save during ultra-pure ammonia is produced a method for the energy of vaporizing, the method comprises following step:
(1) ultra-pure ammonia produces heating: adopt air source water heater to combine with natural gas hydrogen preparation bleed off waste hot steam, utilize automixte system, the hot water temperature manufactured can at minimum 35 DEG C, automatically can regulate within the scope of the highest 60 DEG C, the requirement of ultra-pure ammonia different heating point and temperature aborning can be met;
(2) waste hot steam regulates automatically with using hot-water heating system: the pressure of natural gas hydrogen preparation bleed off waste hot steam is at minimum 0.1Mpa, and within the scope of maximum 0.8Mpa, system will regulate automatically;
(3) the two combines: while natural gas hydrogen preparation bleed off waste hot steam amount reduces and increases, air source water heater automatically can regulate between 0-100% load, to mate the needs that ultra-pure ammonia produces hot water amount;
(4) the accurate allotment of hot water temperature: in use hot water process, by vaporize water blender, temperature can be formulated to ± 1 DEG C, ensure the requirement of each use point to temperature;
Described waste hot steam regulates automatically with using hot-water heating system, is realize minimum 35 DEG C of temperature, auto-control within the scope of the highest 60 DEG C by plate type heat exchanger.
The invention has the beneficial effects as follows: utilize air source heat pump technology bleed off vapor phase in natural gas hydrogen preparation process to be combined, produce the vaporization hot water in ultra-pure ammonia production, can reduce ultra-pure ammonia produce in vaporization energy cost about 80%, design ingenious, safe and reliable, environmental protection, energy-conservation.
Accompanying drawing explanation
Fig. 1 is present system schematic diagram;
Wherein: 1, air source water heater, 2, water circulating pump, 3, hot water circuit tank, 4, plate type heat exchanger, 5, hot water circulating pump, 6, steam mixer, 7, liquid ammonia vaporization device, 8, floss hole, 9, Automatic Temperature Control, 10, steam inlet, 11, temperature control valve (TCV), 12, temperature control valve (TCV), 13, temperature control valve (TCV).
Detailed description of the invention
The present embodiment is the present embodiment is that the ultra-pure ammonia that a kind of air-source is combined with emptying vapor phase produces energy saver, it comprises: air source water heater (1), water circulating pump (2), hot water circuit tank (3), plate type heat exchanger (4), hot water circulating pump (5), steam mixer (6), liquid ammonia vaporization device (7), Automatic Temperature Control (9), temperature control valve (TCV) forms, the water inlet of described air source water heater (1) upper end is by tubes connection hot water circuit tank (3), delivery port on the right side of lower end connects hot water circuit tank (3) by water circulating pump (2), described hot water circuit tank (3) has two-way pipeline, a wherein connecting plate type heat exchanger (4), plate type heat exchanger (4) connecting fluid ammonia vaporizer (7), described plate type heat exchanger (4) is connected valve with being provided with between liquid ammonia vaporization device (7), another pipeline connects hot water circulating pump (5), hot water circulating pump (5) connects steam mixer (6), steam mixer (6) connecting fluid ammonia vaporizer (7), described steam mixer (6) is connected with plate type heat exchanger (4) by independent pipeline, this pipeline is provided with steam inlet (10), steam mixer (6) below is provided with temperature control valve (TCV) (11), described plate type heat exchanger (4) below is provided with floss hole (8), two temperature control valve (TCV)s (12) and temperature control valve (TCV) (13) is respectively equipped with at floss hole (8) port of export and its corresponding position, three described temperature control valve (TCV)s are connected with Automatic Temperature Control (9) respectively by three circuit.
Claims (2)
1. save during ultra-pure ammonia is produced a method for the energy of vaporizing, it is characterized in that: the method uses a kind of device saving during ultra-pure ammonia is produced the energy of vaporizing to carry out following processing step:
(1) ultra-pure ammonia produces heating: adopt air source water heater to combine with natural gas hydrogen preparation bleed off waste hot steam, utilize automixte system, the hot water temperature manufactured can at minimum 35 DEG C, automatically can regulate within the scope of the highest 60 DEG C, the requirement of ultra-pure ammonia different heating point and temperature aborning can be met;
(2) waste hot steam regulates automatically with using hot-water heating system: the pressure of natural gas hydrogen preparation bleed off waste hot steam is at minimum 0.1Mpa, and within the scope of maximum 0.8Mpa, system will regulate automatically;
(3) the two combines: while natural gas hydrogen preparation bleed off waste hot steam amount reduces and increases, air source water heater automatically can regulate between 0-100% load, to mate the needs that ultra-pure ammonia produces hot water amount;
(4) the accurate allotment of hot water temperature: in use hot water process, by vaporize water blender, temperature can be formulated to ± 1 DEG C, ensure the requirement of each use point to temperature;
Described saving ultra-pure ammonia is vaporized in producing the device of the energy, it comprises: air source water heater, water circulating pump, hot water circuit tank, plate type heat exchanger, hot water circulating pump, steam mixer, liquid ammonia vaporization device, Automatic Temperature Control, temperature control valve (TCV) forms, it is characterized in that the delivery port of described air source water heater upper end is by tubes connection hot water circuit tank, the water inlet of lower end connects hot water circuit tank by water circulating pump, described hot water circuit tank has two-way pipeline, a wherein connecting plate type heat exchanger, plate type heat exchanger connecting fluid ammonia vaporizer, be provided with between described plate type heat exchanger with liquid ammonia vaporization device and be connected valve, another pipeline connects hot water circulating pump, hot water circulating pump connects steam mixer, steam mixer connecting fluid ammonia vaporizer, described steam mixer is connected with plate type heat exchanger by an independent pipeline, this pipeline is provided with steam inlet, temperature control valve (TCV) is provided with below steam mixer, floss hole is provided with below described plate type heat exchanger, two temperature control valve (TCV)s are respectively equipped with at the floss hole port of export and its corresponding position, three described temperature control valve (TCV)s are connected with Automatic Temperature Control respectively by three circuit.
2. a kind of method of saving during ultra-pure ammonia is produced the energy of vaporizing as claimed in claim 1, it is characterized in that: described waste hot steam regulates automatically with using hot-water heating system, realize minimum 35 DEG C of temperature, auto-control within the scope of the highest 60 DEG C by plate type heat exchanger.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310568489.8A CN103673663B (en) | 2013-11-15 | 2013-11-15 | A kind of method of saving during ultra-pure ammonia is produced the energy of vaporizing |
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| CN201310568489.8A CN103673663B (en) | 2013-11-15 | 2013-11-15 | A kind of method of saving during ultra-pure ammonia is produced the energy of vaporizing |
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| CN103673663A CN103673663A (en) | 2014-03-26 |
| CN103673663B true CN103673663B (en) | 2016-01-20 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103925697B (en) * | 2014-04-15 | 2017-09-19 | 浙江金象科技有限公司 | Ultra-pure gases heat exchanger and its implementation |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1144550A (en) * | 1967-12-19 | 1969-03-05 | Shell Int Research | Apparatus and process for liquefying and revaporizing gases |
| CN2588306Y (en) * | 2002-12-16 | 2003-11-26 | 江阴市海通传热技术有限公司 | High-efficient energy-saving steam melting water board type heat-exchanger machine set |
| CN101535757A (en) * | 2006-11-09 | 2009-09-16 | 株式会社日阪制作所 | Vapor contact-type heating device |
| CN202614019U (en) * | 2012-05-03 | 2012-12-19 | 天津达一琦精细化工有限公司 | Greenhouse steam waste heat utilization device |
| CN203615783U (en) * | 2013-11-15 | 2014-05-28 | 苏州金宏气体股份有限公司 | Air source and steam evacuation combined hyperpure ammonia production and energy-saving device |
-
2013
- 2013-11-15 CN CN201310568489.8A patent/CN103673663B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1144550A (en) * | 1967-12-19 | 1969-03-05 | Shell Int Research | Apparatus and process for liquefying and revaporizing gases |
| CN2588306Y (en) * | 2002-12-16 | 2003-11-26 | 江阴市海通传热技术有限公司 | High-efficient energy-saving steam melting water board type heat-exchanger machine set |
| CN101535757A (en) * | 2006-11-09 | 2009-09-16 | 株式会社日阪制作所 | Vapor contact-type heating device |
| CN202614019U (en) * | 2012-05-03 | 2012-12-19 | 天津达一琦精细化工有限公司 | Greenhouse steam waste heat utilization device |
| CN203615783U (en) * | 2013-11-15 | 2014-05-28 | 苏州金宏气体股份有限公司 | Air source and steam evacuation combined hyperpure ammonia production and energy-saving device |
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Address after: 215152 Anmin Road, Panyang Industrial Park, Huangdai Town, Xiangcheng District, Suzhou City, Jiangsu Province Patentee after: Jinhong Gas Co.,Ltd. Address before: 215143 No. 6 Anmin Road, Panyang Industrial Park, Huangduo Town, Xiangcheng District, Suzhou City, Jiangsu Province Patentee before: SUZHOU JINHONG GAS Co.,Ltd. |