CN106403358A - Ammonia synthesis device refrigeration system - Google Patents
Ammonia synthesis device refrigeration system Download PDFInfo
- Publication number
- CN106403358A CN106403358A CN201610766155.5A CN201610766155A CN106403358A CN 106403358 A CN106403358 A CN 106403358A CN 201610766155 A CN201610766155 A CN 201610766155A CN 106403358 A CN106403358 A CN 106403358A
- Authority
- CN
- China
- Prior art keywords
- ammonia
- flash tank
- tank
- flash
- refrigeration system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B25/00—Machines, plants or systems, using a combination of modes of operation covered by two or more of the groups F25B1/00 - F25B23/00
- F25B25/02—Compression-sorption machines, plants, or systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention provides an ammonia synthesis device refrigeration system. The ammonia synthesis device refrigeration system comprises a first-stage flash drum, a second-stage flash drum, a third-stage flash drum, a flash drum ammonia gas adjusting pipeline and an ammonia compressing knockout drum, wherein the first-stage flash drum, the second-stage flash drum and the third-stage flash drum are connected in series, the two ends of the serial connection are connected to the ammonia compressing knockout drum, and the two ends of the flash drum ammonia gas adjusting pipeline are connected to the first-stage flash drum and the third-stage flash drum. According to the ammonia synthesis device refrigeration system, redundant ammonia gas of the third-stage flash drum of an ammonia compressor is introduced into the first-stage flash drum, liquid ammonia of -1 DEG C in the ammonia compressing knockout drum of a synthesis system is introduced into the third-stage flash drum of the ammonia compressor, and therefore the evaporation capacity in the flash drums can be reduced, the load of the ammonia compressor can be lowered, and the cooling capacity of the system can be guaranteed.
Description
Technical field
The invention belongs to synthesis ammonia cooling device technical field, more particularly, to a kind of synthetic ammonia installation refrigeration system.
Background technology
Traditional ammonia compressor Surge Prevention System be by three sections of ammonia compressor outlet compressed gas return respectively one section, two-stage nitration, three sections
To supplement ammonia compressor suction volume in flash tank, the liquefied ammonia of refrigeration system is in closed circulation state simultaneously, and the method is high in summer
The load of ammonia compressor is increased, ammonia compressor outlet water cooler load is too high, and exchange capability of heat declines, and leads to ammonia compressor to go out in warm environment
Mouth superpressure, serious confining device is in the safety and stability heavy-duty service of hot weather.
Content of the invention
Load in order to solve above-mentioned ammonia compressor is too high, and ammonia compressor outlet water cooler load is too high, and exchange capability of heat declines, ammonia
Press exports superpressure, and device provides a kind of in the not high technical problem of the heavy-duty service safety and stability of hot weather, the present invention
The load of ammonia compressor is not high, and ammonia compressor outlet water cooler load is not high, lifts exchange capability of heat, ammonia compressor outlet not superpressure, device
In the high synthetic ammonia installation refrigeration system of the heavy-duty service safety and stability of hot weather.
The synthetic ammonia installation refrigeration system that the present invention provides includes one section of flash tank, two-stage nitration flash tank, three sections of flash tanks, sudden strains of a muscle
Steam groove ammonia and adjust pipeline and pressure ammonia separation tank, described one section of flash tank, described two-stage nitration flash tank, described three sections of flash tanks series connection
Connect, and two ends are connected with described pressure ammonia separation tank, described flash tank ammonia adjusts pipeline two ends and connects described one section of flash tank
With described three sections of flash tanks.
In a kind of preferred embodiment of synthetic ammonia installation refrigeration system that the present invention provides, described flash tank ammonia regulation pipe
Road includes flash tank ammonia regulating valve, and described flash tank ammonia regulating valve adjusts pipeline located at described flash tank ammonia.
In a kind of preferred embodiment of synthetic ammonia installation refrigeration system that the present invention provides, described flash tank ammonia regulating valve
It is and circle synthesis interlocked valve.
In a kind of preferred embodiment of synthetic ammonia installation refrigeration system that the present invention provides, described synthetic ammonia installation freezing system
System also includes pressing ammonia separation tank ammonia to adjust pipeline, and described pressure ammonia separation tank ammonia adjusts pipeline one end and connects described pressure ammonia separation
Tank, described pressure ammonia separation tank ammonia adjusts the pipeline other end and connects described one section of flash tank and described two-stage nitration flash tank respectively.
In a kind of preferred embodiment of synthetic ammonia installation refrigeration system that the present invention provides, described pressure ammonia separation tank ammonia is adjusted
Section pipeline includes pressing one section of flash tank regulating valve of ammonia separation tank and pressure ammonia separation tank two-stage nitration flash tank regulating valve, described pressure ammonia separation
One section of flash tank regulating valve of tank and described pressure ammonia separation tank two-stage nitration flash tank regulating valve are respectively arranged on described pressure ammonia separation tank ammonia
Adjust pipeline and described one section of flash tank and described two-stage nitration flash tank junction.
The synthetic ammonia installation refrigeration system of the present invention has the advantages that：
First, using by three sections of unnecessary ammonias of flash tank of ammonia compressor be introduced into one section of flash tank and will in synthesis system pressure ammonia divide
In tank, -1 DEG C of liquefied ammonia introduces the method that three sections of both flash tanks of ammonia compressor combine to reduce evaporation capacity in flash tank, reduces ammonia
Press load, it is ensured that system cold, reduction ammonia compressor load abundance it is ensured that system cools, improves the fortune in high temperature season for the device
Row load, realizes volume increase.
2nd, increase pipeline and additional for three sections of flash tank flash distillations of ammonia compressor ammonia filled in one section of flash tank of ammonia compressor,
Regulating valve is increased on pipeline and adds interlocking, when circle synthesis stop in emergency, this tolerance of interlocking close it is ensured that three sections of ammonia compressor entrance is inhaled
Enter amount, it is to avoid unit surge, turn down one section of anti-surge valve simultaneously；The liquefied ammonia of middle pressure ammonia separation tank is sent into Ammonia United Chiller With,
Reduce evaporation capacity in flash tank, reduce ammonia compressor integral load by two kinds of means.Ammonia compressor decreases beating of 30000Nm3/h
Tolerance, reduces ammonia compressor load on the whole so that ammonia compressor runs under normal duty, solves ammonia synthesis-refrigeration system
The not enough problem of cooling capacity, has reached the function of increasing production and improying productivity, has eliminated the peace that ammonia compressor discharges ammonia because of superpressure simultaneously
Full hidden danger it is ensured that under hot weather circle synthesis safe and stable operation at full capacity.
Brief description
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, will make to required in embodiment description below
Accompanying drawing be briefly described it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, can also be obtained other according to these accompanying drawings
Accompanying drawing, wherein：
Fig. 1 is a kind of structural representation of embodiment of synthetic ammonia installation refrigeration system that the present invention provides.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is all other that those of ordinary skill in the art are obtained under the premise of not making creative work
Embodiment, broadly falls into the scope of protection of the invention.
Refer to Fig. 1, it is a kind of structural representation of embodiment of synthetic ammonia installation refrigeration system that the present invention provides.
Described synthetic ammonia installation refrigeration system 1 includes one section of flash tank 11,12, three sections of flash tanks 13 of two-stage nitration flash tank, dodges
Steam groove ammonia and adjust pipeline 14, pressure ammonia separation tank 15 and pressure ammonia separation tank ammonia regulation pipeline 16.Described one section of flash tank 11, institute
State two-stage nitration flash tank 12, described three sections of flash tanks 13 are connected in series, and two ends are connected with described pressure ammonia separation tank 15.
Described flash tank ammonia adjusts pipeline 14 two ends and connects described one section of flash tank 11 and described three sections of flash tanks 12.Institute
State flash tank ammonia regulation pipeline 14 and include flash tank ammonia regulating valve 141.Described flash tank ammonia regulating valve 141 is located at described
Flash tank ammonia adjusts pipeline 14.Described flash tank ammonia regulating valve 141 is and circle synthesis interlocked valve.
Described pressure ammonia separation tank ammonia adjusts pipeline 16 one end and connects described pressure ammonia separation tank 15, described pressure ammonia separation tank ammonia
Controlled atmosphere section pipeline 16 other end connects described one section of flash tank 11 and described two-stage nitration flash tank 12 respectively.
Described pressure ammonia separation tank ammonia adjusts pipeline 16 and includes pressing one section of flash tank regulating valve 161 of ammonia separation tank and pressure ammonia to divide
From tank two-stage nitration flash tank regulating valve 162.Described pressure one section of flash tank regulating valve 161 of ammonia separation tank and described pressure ammonia separation tank two-stage nitration
Flash tank regulating valve 162 is respectively arranged on described pressure ammonia separation tank ammonia and adjusts pipeline 16 and described one section of flash tank 11 and described two
Section flash tank 12 junction.
The implementation process of synthetic ammonia installation refrigeration system 1 of the present invention is：
First, pass through to increase described flash tank ammonia regulating valve 141 by additional for three sections of flash tank flash distillations of ammonia compressor ammonia
Fill in one section of flash tank 11 of ammonia compressor, turn down one section of anti-surge valve simultaneously, reduce ammonia compressor integral load.
2nd, described flash tank ammonia regulating valve 141 is increased on newly-increased pipeline, middle control can control magnitude of recruitment, increase simultaneously
Plus interlock system, when circle synthesis stop in emergency, this valve of interlocking close, to ensure three sections of suction volume of ammonia compressor entrance, it is to avoid breathe heavily
Shake.
3rd, -1 DEG C in middle pressure ammonia separation tank of liquefied ammonia pipe arrangement is delivered to described pressure one section of flash tank regulating valve of ammonia separation tank
161 and described pressure ammonia separation tank two-stage nitration flash tank regulating valve 162 after enter Ammonia United Chiller With, that is, described pressure ammonia separation tank 15
In, to reduce evaporation capacity in flash tank, thus reducing ammonia compressor load.
The synthetic ammonia installation refrigeration system 1 of the present invention has the advantages that：
First, adopt and three sections of unnecessary ammonias of flash tank of ammonia compressor are introduced into one section of flash tank 11 and ammonia in synthesis system, will be pressed
The method that interior -1 DEG C of liquefied ammonia introducing both the ammonia compressor flash tanks of knockout drum 15 combine, to reduce evaporation capacity in flash tank, reduces ammonia
Press load, it is ensured that system cold, reduction ammonia compressor load abundance it is ensured that system cools, improves the fortune in high temperature season for the device
Row load, realizes volume increase.
2nd, increase described flash tank ammonia regulation pipeline 14 to mend additional for ammonia compressor three sections of flash tanks 13 flash distillation ammonia
Enter in one section of flash tank 11 of ammonia compressor, pipeline increases described flash tank ammonia regulating valve 141 and adds interlocking, circle synthesis promptly stop
Che Shi, this tolerance of interlocking close is it is ensured that three sections of suction volume of ammonia compressor entrance, it is to avoid unit surge, turns down one section of anti-surge simultaneously
Valve；The liquefied ammonia of middle pressure ammonia separation tank 15 is sent into Ammonia United Chiller With, that is, described pressure ammonia separation tank 15, reduces evaporation in flash tank
Amount, reduces ammonia compressor integral load by two kinds of means.Ammonia compressor decreases the amount of inflating of 30000Nm3/h, reduces on the whole
Ammonia compressor load, so that ammonia compressor runs under normal duty, solves not enough the asking of ammonia synthesis-refrigeration system cooling capacity
Topic, has reached the function of increasing production and improying productivity, and eliminates ammonia compressor simultaneously and discharges the potential safety hazard of ammonia because of superpressure it is ensured that in height
Circle synthesis safe and stable operation at full capacity under warm weather.
The foregoing is only embodiments of the invention, not thereby limit the present invention the scope of the claims, every using this
Equivalent structure or equivalent flow conversion that bright description and accompanying drawing content are made, or directly or indirectly it is used in the skills of other correlations
Art field, is included within the scope of the present invention.
Claims (5)
1. a kind of synthetic ammonia installation refrigeration system it is characterised in that include one section of flash tank, two-stage nitration flash tank, three sections of flash tanks,
Flash tank ammonia adjusts pipeline and pressure ammonia separation tank, described one section of flash tank, described two-stage nitration flash tank, described three sections of flash tank strings
Connection connects, and two ends are connected with described pressure ammonia separation tank, and described flash tank ammonia adjusts pipeline two ends and connects described one section of flash distillation
Groove and described three sections of flash tanks.
2. synthetic ammonia installation refrigeration system according to claim 1 is it is characterised in that described flash tank ammonia adjusts pipeline
Including flash tank ammonia regulating valve, described flash tank ammonia regulating valve adjusts pipeline located at described flash tank ammonia.
3. synthetic ammonia installation refrigeration system according to claim 2 is it is characterised in that described flash tank ammonia regulating valve is
With circle synthesis interlocked valve.
4. synthetic ammonia installation refrigeration system according to claim 1 is it is characterised in that described synthetic ammonia installation refrigeration system
Also include pressing ammonia separation tank ammonia to adjust pipeline, described pressure ammonia separation tank ammonia adjusts pipeline one end and connects described pressure ammonia separation
Tank, described pressure ammonia separation tank ammonia adjusts the pipeline other end and connects described one section of flash tank and described two-stage nitration flash tank respectively.
5. synthetic ammonia installation refrigeration system according to claim 4 is it is characterised in that described pressure ammonia separation tank ammonia is adjusted
Pipeline includes pressing one section of flash tank regulating valve of ammonia separation tank and pressure ammonia separation tank two-stage nitration flash tank regulating valve, described pressure ammonia separation tank
One section of flash tank regulating valve and described pressure ammonia separation tank two-stage nitration flash tank regulating valve are respectively arranged on described pressure ammonia separation tank ammonia and adjust
Section pipeline and described one section of flash tank and described two-stage nitration flash tank junction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610766155.5A CN106403358A (en) | 2016-08-30 | 2016-08-30 | Ammonia synthesis device refrigeration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610766155.5A CN106403358A (en) | 2016-08-30 | 2016-08-30 | Ammonia synthesis device refrigeration system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106403358A true CN106403358A (en) | 2017-02-15 |
Family
ID=58003006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610766155.5A Pending CN106403358A (en) | 2016-08-30 | 2016-08-30 | Ammonia synthesis device refrigeration system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106403358A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109269224A (en) * | 2018-09-13 | 2019-01-25 | 青海盐湖工业股份有限公司 | A kind of ammonia refrigeration system |
| CN110005944A (en) * | 2019-04-23 | 2019-07-12 | 内蒙古博大实地化学有限公司 | A kind of energy-saving consumption-reducing type freezing ammonia transportation system |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07190520A (en) * | 1993-12-27 | 1995-07-28 | Kobe Steel Ltd | Freezer |
| JP2008232613A (en) * | 2007-03-21 | 2008-10-02 | Grasso Gmbh Refrigeration Technology | Control method of co2 refrigeration device performing two-stage compression |
| CN103214008A (en) * | 2013-03-13 | 2013-07-24 | 贵州天福化工有限责任公司 | Ammonia compressor starting method with reduced ammonia consumption |
| CN103954067A (en) * | 2014-04-15 | 2014-07-30 | 珠海格力电器股份有限公司 | Refrigerating device |
| CN104154687A (en) * | 2014-08-22 | 2014-11-19 | 珠海格力电器股份有限公司 | Flash tank and air conditioner with flash tank |
| CN204027104U (en) * | 2014-08-22 | 2014-12-17 | 珠海格力电器股份有限公司 | Flash evaporation and the air-conditioning with this flash evaporation |
| CN104501443A (en) * | 2014-12-10 | 2015-04-08 | 中石化宁波工程有限公司 | Ammonia flash-evaporation cooling process |
| CN204388412U (en) * | 2014-12-10 | 2015-06-10 | 中石化宁波工程有限公司 | A kind of refrigeration system |
| CN105443402A (en) * | 2015-11-27 | 2016-03-30 | 安徽六国化工股份有限公司 | Centrifugal ammonia compressor unit with dual-cylinder compression three-section air inlet manner |
| JP2016048163A (en) * | 2016-01-13 | 2016-04-07 | 三菱重工業株式会社 | Turbo refrigerator |
-
2016
- 2016-08-30 CN CN201610766155.5A patent/CN106403358A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07190520A (en) * | 1993-12-27 | 1995-07-28 | Kobe Steel Ltd | Freezer |
| JP2008232613A (en) * | 2007-03-21 | 2008-10-02 | Grasso Gmbh Refrigeration Technology | Control method of co2 refrigeration device performing two-stage compression |
| CN103214008A (en) * | 2013-03-13 | 2013-07-24 | 贵州天福化工有限责任公司 | Ammonia compressor starting method with reduced ammonia consumption |
| CN103954067A (en) * | 2014-04-15 | 2014-07-30 | 珠海格力电器股份有限公司 | Refrigerating device |
| CN104154687A (en) * | 2014-08-22 | 2014-11-19 | 珠海格力电器股份有限公司 | Flash tank and air conditioner with flash tank |
| CN204027104U (en) * | 2014-08-22 | 2014-12-17 | 珠海格力电器股份有限公司 | Flash evaporation and the air-conditioning with this flash evaporation |
| CN104501443A (en) * | 2014-12-10 | 2015-04-08 | 中石化宁波工程有限公司 | Ammonia flash-evaporation cooling process |
| CN204388412U (en) * | 2014-12-10 | 2015-06-10 | 中石化宁波工程有限公司 | A kind of refrigeration system |
| CN105443402A (en) * | 2015-11-27 | 2016-03-30 | 安徽六国化工股份有限公司 | Centrifugal ammonia compressor unit with dual-cylinder compression three-section air inlet manner |
| JP2016048163A (en) * | 2016-01-13 | 2016-04-07 | 三菱重工業株式会社 | Turbo refrigerator |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109269224A (en) * | 2018-09-13 | 2019-01-25 | 青海盐湖工业股份有限公司 | A kind of ammonia refrigeration system |
| CN109269224B (en) * | 2018-09-13 | 2020-07-28 | 青海盐湖工业股份有限公司 | Ammonia refrigeration system |
| CN110005944A (en) * | 2019-04-23 | 2019-07-12 | 内蒙古博大实地化学有限公司 | A kind of energy-saving consumption-reducing type freezing ammonia transportation system |
| CN110005944B (en) * | 2019-04-23 | 2023-11-24 | 内蒙古博大实地化学有限公司 | Energy-saving and consumption-reducing type frozen ammonia conveying system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106489059A (en) | Method and apparatus with variable energy consumption low temperature air separating | |
| CN104913196B (en) | BOG (boil-off gas) treatment process and device under normal operation condition of LNG (liquefied natural gas) receiving station | |
| CN106403358A (en) | Ammonia synthesis device refrigeration system | |
| US20150219280A1 (en) | Method and apparatus for reducing boil-off gas losses from a liquid storage tank | |
| US20010015069A1 (en) | Production method for oxygen | |
| CN108895765A (en) | A kind of co 2 liquefaction device and liquifying method | |
| CN103759499B (en) | A kind of super low energy consumption nitrogen-making device | |
| CN112648536A (en) | Fluid infusion type oil-gas mixed transportation device | |
| CN109269224B (en) | Ammonia refrigeration system | |
| CN104019629B (en) | A kind of air separating method that can match with receiving station's cold energy supply | |
| CN105443402A (en) | Centrifugal ammonia compressor unit with dual-cylinder compression three-section air inlet manner | |
| CN103282733B (en) | By equipment and the method for separating air by cryogenic distillation | |
| CN103776239B (en) | Multi-functional nitrogen-making device | |
| CN105115244A (en) | Low-purity oxygen air separating device and method | |
| CN109323533A (en) | Pressure rectifying column reduces space division energy consuming process and device in a kind of use | |
| CN111351315B (en) | Method and apparatus for reducing process disturbances during pressurization of an adsorber in an air separation unit | |
| CN201503189U (en) | Refrigeration system and liquefaction system of natural gas liquefaction process | |
| CN105273787B (en) | Technique and system defeated outside rewarming are completed in high pressure gas field using high-performance heat exchanger | |
| JP6464399B2 (en) | Air separation device | |
| CN211561894U (en) | Chloroethylene production system and energy-saving system for recovering rectification tail gas thereof | |
| CN104110939A (en) | Liquefied natural gas cold energy recycling system | |
| CN209605479U (en) | Pressure rectifying column reduces space division power consumption device in a kind of use | |
| CN204319802U (en) | Subtract top pumped vacuum systems | |
| CN209468386U (en) | A kind of processing system of novel reduction condensate gas hydrocarbon, water dew point | |
| CN209484935U (en) | A kind of double tower backflows double condenser/evaporator High Purity Nitrogen process units |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170215 |