CN109297255A - A kind of energy-saving gas ammonia compression process - Google Patents
A kind of energy-saving gas ammonia compression process Download PDFInfo
- Publication number
- CN109297255A CN109297255A CN201811201473.2A CN201811201473A CN109297255A CN 109297255 A CN109297255 A CN 109297255A CN 201811201473 A CN201811201473 A CN 201811201473A CN 109297255 A CN109297255 A CN 109297255A
- Authority
- CN
- China
- Prior art keywords
- ammonia
- absorber
- generator
- ammonia solution
- degree
- 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
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 title claims abstract description 116
- 229910021529 ammonia Inorganic materials 0.000 title claims abstract description 58
- 238000007906 compression Methods 0.000 title claims abstract description 18
- 239000006096 absorbing agent Substances 0.000 claims abstract description 45
- 238000005516 engineering process Methods 0.000 claims abstract description 9
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 57
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 claims description 55
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 55
- 239000007788 liquid Substances 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 230000008676 import Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract 1
- 230000001737 promoting effect Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 18
- 238000005057 refrigeration Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
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
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J1/00—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures
- F25J1/02—Processes or apparatus for liquefying or solidifying gases or gaseous mixtures requiring the use of refrigeration, e.g. of helium or hydrogen ; Details and kind of the refrigeration system used; Integration with other units or processes; Controlling aspects of the process
- F25J1/0228—Coupling of the liquefaction unit to other units or processes, so-called integrated processes
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Sorption Type Refrigeration Machines (AREA)
Abstract
The present invention relates to chemical technology field, in particular a kind of energy-saving gas ammonia compression process, including processing technology and use equipment.In the present invention, utilize being used cooperatively between absorber, working medium pump, GAX heat exchanger, generator and condenser, it can be achieved gaseous ammonia being converted to liquefied ammonia, device structure needed for integrated artistic is simple, energy-saving, operation maintenance cost is low, the steam or hot water of UTILIZATION OF VESIDUAL HEAT IN are more at low cost than electricity, realize preferable energy-saving effect, are suitable for promoting the use of.
Description
Technical field
The present invention relates to chemical technology field, specially a kind of energy-saving gas ammonia compression process.
Background technique
Gaseous ammonia is not easy to transport, and with compressor ammonia compression at liquefied ammonia, energy consumption is high for liquefaction, and dynamic sealing ammonia is easy to let out
Therefore leakage pollution environment proposes a kind of energy-saving gas ammonia compression process regarding to the issue above.
Summary of the invention
The purpose of the present invention is to provide a kind of energy-saving gas ammonia compression process, compared with prior art ammonia compressor, knot
Structure is simple, energy-saving, and operation maintenance cost is low, UTILIZATION OF VESIDUAL HEAT IN steam or hot water are more at low cost than electricity, energy conservation, above-mentioned to solve
The problem of being proposed in background technique.
To achieve the above object, the invention provides the following technical scheme:
A kind of energy-saving gas ammonia compression process, including processing technology and use equipment, it is described using equipment include absorber,
Working medium pump, GAX heat exchanger, generator and condenser, the absorber are connect by pipeline with working medium pump, and the working medium pump passes through
Pipeline is connect with GAX heat exchanger, and the GAX heat exchanger is connect by pipeline with generator, the generator pass through pipeline with it is cold
Condenser connects, and is provided with flow control valve on the pipeline that the generator is connect with condenser, the GAX heat exchanger passes through pipeline
It is connect with absorber, is provided with pressure reducing valve on the pipeline that the GAX heat exchanger is connect with absorber.
Preferably, the processing technology includes step specific as follows:
1, generator one end is connected into industrial exhaust heat pipeline, 120 degree~150 degree of industrial exhaust heat pair is filled in generator
Generator is heated, and when having rich ammonia solution inside generator, the temperature in generator makes rich ammonia solution parse 90 degree of left sides
Right ammonia, and 90 degree or so of poor ammonia solution is formed, poor ammonia solution is flowed into GAX heat exchanger by pipeline；
2, it after being directed to condenser by the ammonia that rich ammonia solution parses in generator, is cooled down by condenser, forms liquefied ammonia
After flow out；
3, after poor ammonia solution is flowed into GAX heat exchanger by pipeline, if obtaining rich ammonia from absorber in GAX heat exchanger
Solution, can be such that poor ammonia solution temperature reduces, and the poor ammonia solution for being lowered temperature is oriented to absorber by pipeline；
4, the gas ammonia compressed will be needed to inject in absorber above absorber, the poor ammonia solution imported from GAX heat exchanger
Gas ammonia in absorber is sprayed, completes to form rich ammonia solution after ammonia absorbs in absorber；
5, rich ammonia solution is squeezed into 90 degree or so the poor ammonia solutions come in GAX heat exchanger to generator by working medium pump and is cooled to
45 degree or so, rear richness ammonia solution is driven into heating reaction in generator.
Preferably, condenser receives after 90 degree or so of the ammonia that generator imports, and ammonia temperature is reduced to 45
Degree left and right, makes ammonia liquefy.
Preferably, it after 90 degree or so of poor ammonia solution flows into GAX heat exchanger, is changed with the rich ammonia solution imported from absorber
Heat makes poor ammonia solution and rich ammonia solution temperature maintain 45 degree or so, wherein rich ammonia solution temperature when absorber exports is 35
Degree left and right.
The beneficial effects of the present invention are: compared with prior art ammonia compressor, structure is simple, energy-saving in the present invention,
Operation maintenance cost is low, UTILIZATION OF VESIDUAL HEAT IN steam or hot water are more at low cost than electricity, energy conservation.
Detailed description of the invention
Fig. 1 is a kind of energy-saving gas ammonia compression process overall structure diagram of the present invention；
Fig. 2 is a kind of energy-saving gas ammonia compression process generator runtime parameter table of the present invention；
Fig. 3 is a kind of energy-saving gas ammonia compression process GAX heat exchanger runtime parameter table of the present invention；
Fig. 4 is a kind of energy-saving gas ammonia compression process absorber runtime parameter table of the present invention；
Fig. 5 is a kind of energy-saving gas ammonia compression process condenser (refrigerating section) runtime parameter table of the present invention；
In figure: 1, absorber；2, working medium pump；3, GAX heat exchanger；4, generator；5, condenser；6, flow control valve；7,
Pressure reducing valve.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-5 is please referred to, the present invention provides a kind of technical solution:
A kind of energy-saving gas ammonia compression process, including processing technology and use equipment, the use of equipment includes absorber 1, work
Matter pump 2, GAX heat exchanger 3, generator 4 and condenser 5, absorber 1 are connect by pipeline with working medium pump 2, and working medium pump 2 passes through pipe
Road is connect with GAX heat exchanger 3, and GAX heat exchanger 3 is connect by pipeline with generator 4, and generator 4 is connected by pipeline and condenser 5
It connects, flow control valve 6 is provided on the pipeline that generator 4 is connect with condenser 5, GAX heat exchanger 3 passes through pipeline and absorber 1
It connects, is provided with pressure reducing valve 7 on the pipeline that GAX heat exchanger 3 is connect with absorber 1.
Further, processing technology includes step specific as follows:
1,4 one end of generator is connected into industrial exhaust heat pipeline, 120 degree~150 degree of industrial exhaust heat is filled in generator 4
Generator 4 is heated, when having 13 kilograms of rich ammonia solution inside generator 4, the temperature in generator 4 makes rich ammonia solution
90 degree or so of ammonia is parsed, and forms 90 degree or so of poor ammonia solution, poor ammonia solution flows into GAX heat exchanger 3 by pipeline
In；
2, it after being directed to condenser 5 by 13 kilograms of ammonias that rich ammonia solution parses in generator 4, is cooled down by condenser 5,
It is flowed out after forming liquefied ammonia；
3, after 90 degree or so of poor ammonia solution is flowed into GAX heat exchanger 3 by pipeline, if from absorption in GAX heat exchanger 3
The rich ammonia solution that 35 degree or so are obtained at device 1 can make poor ammonia solution temperature be reduced to 45 degree or so, and the poor ammonia for being lowered temperature is molten
Liquid is oriented to absorber 1 by pipeline；
4, the gas ammonia compressed will be needed to inject in absorber 1 above absorber 1, the poor ammonia imported from GAX heat exchanger 3 is molten
Liquid sprays the gas ammonia in absorber 1, completes to form rich ammonia solution after ammonia absorbs in absorber 1；
5, rich ammonia solution squeezes into 90 degree or so poor ammonia solution drops in GAX heat exchanger 3 to generator 4 by working medium pump 2
For temperature to 45 degree or so, rear richness ammonia solution is driven into heating reaction in generator 4.
Further, condenser 5 receives after 90 degree or so of the ammonia that generator 4 imports, and ammonia temperature is reduced to
45 degree or so, ammonia is made to liquefy.
Further, after 90 degree or so of poor ammonia solution flows into GAX heat exchanger 3, with the rich ammonia solution imported from absorber 1
Heat exchange makes poor ammonia solution and rich ammonia solution temperature maintain 45 degree or so, wherein rich ammonia solution temperature when absorber 1 exports
It is 35 degree or so.
Further, absorber 1, GAX heat exchanger 3, generator 4 and condenser 5 are required to refrigeration working medium support, the refrigeration work
Matter is the more first refrigeration working mediums of TC, wherein parameters are at runtime for absorber 1, GAX heat exchanger 3, generator 4 and condenser 5
It is as follows:
Generator: as shown in Figure 2；
GAX heat exchanger: as shown in Figure 3；
Absorber: as shown in Figure 4；
Condenser: as shown in Figure 5.
Working principle: the ammonia for needing to compress is directly entered absorber 1 as unstripped gas and becomes rich ammonia solution, rich ammonia solution
Parsing is completed in generator 4 using 100 degree of industry or more of waste heat, the rich ammonia solution of absorber 1 squeezes into GAX through working medium pump 2
Poor ammonia solution after heat exchanger 3 is parsed with generator 4 exchanges heat, and the ammonia that generator 4 parses is condensed by condenser 5
Liquefied ammonia stores.1 shell side of absorber size end housing increases gas-phase space, matches spray tube and spiral nozzle at the top of shell side,
Tube side absorbs liquid level specific surface area with the increase of energy-efficient screwed pipe, and 1 soil-pipe interaction of absorber turns triangular pitch using flat
So that topmost a row contacts absorption area maximum；5 gas phase entrance of condenser adds flow control valve 6 to adjust control 4 gas of generator
Phase outlet pressure, the high flow valved automatic adjustment aperture of 4 pressure of generator become larger.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (4)
1. a kind of energy-saving gas ammonia compression process, including processing technology and use equipment, it is characterised in that: described to use equipment packet
Absorber, working medium pump, GAX heat exchanger, generator and condenser are included, the absorber is connect by pipeline with working medium pump, described
Working medium pump is connect by pipeline with GAX heat exchanger, and the GAX heat exchanger is connect by pipeline with generator, and the generator is logical
Piping is connect with condenser, and flow control valve, the GAX heat exchange are provided on the pipeline that the generator is connect with condenser
Device is connect by pipeline with absorber, is provided with pressure reducing valve on the pipeline that the GAX heat exchanger is connect with absorber.
2. a kind of energy-saving gas ammonia compression process according to claim 1, it is characterised in that: the processing technology includes tool
Body following steps:
(1), generator one end is connected into industrial exhaust heat pipeline, 120 degree~150 degree of industrial exhaust heat is filled in generator to hair
Raw device is heated, and when having rich ammonia solution inside generator, the temperature in generator makes rich ammonia solution parse 90 degree or so
Ammonia, and form 90 degree or so of poor ammonia solution, poor ammonia solution passes through in pipeline inflow GAX heat exchanger；
(2), it after being directed to condenser by the ammonia that rich ammonia solution parses in generator, is cooled down by condenser, after forming liquefied ammonia
Outflow；
(3), after poor ammonia solution is flowed into GAX heat exchanger by pipeline, if it is molten to obtain rich ammonia from absorber in GAX heat exchanger
Liquid, can be such that poor ammonia solution temperature reduces, and the poor ammonia solution for being lowered temperature is oriented to absorber by pipeline；
(4), the gas ammonia compressed will be needed to inject in absorber above absorber, the poor ammonia solution pair imported from GAX heat exchanger
Gas ammonia in absorber is sprayed, and completes to form rich ammonia solution after ammonia absorbs in absorber；
(5), rich ammonia solution squeezes into 90 degree or so the poor ammonia solutions come in GAX heat exchanger to generator by working medium pump and cools to 45
Degree left and right, rear richness ammonia solution are driven into heating reaction in generator.
3. a kind of energy-saving gas ammonia compression process according to claim 2, it is characterised in that: condenser is received from generation
After 90 degree or so of the ammonia that device imports, ammonia temperature is reduced to 45 degree or so, ammonia is made to liquefy.
4. a kind of energy-saving gas ammonia compression process according to claim 2, it is characterised in that: 90 degree or so of poor ammonia solution
It after flowing into GAX heat exchanger, exchanges heat with the rich ammonia solution imported from absorber, maintains poor ammonia solution and rich ammonia solution temperature
45 degree or so, wherein rich ammonia solution temperature when absorber exports is 35 degree or so.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811201473.2A CN109297255A (en) | 2018-10-16 | 2018-10-16 | A kind of energy-saving gas ammonia compression process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811201473.2A CN109297255A (en) | 2018-10-16 | 2018-10-16 | A kind of energy-saving gas ammonia compression process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109297255A true CN109297255A (en) | 2019-02-01 |
Family
ID=65162753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811201473.2A Pending CN109297255A (en) | 2018-10-16 | 2018-10-16 | A kind of energy-saving gas ammonia compression process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109297255A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111336720A (en) * | 2020-02-19 | 2020-06-26 | 西安交通大学 | Full-water-cooling segregation ammonia absorption heat pump system and control method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101059291A (en) * | 2007-05-25 | 2007-10-24 | 东南大学 | Ammonia absorption and compression combined refrigeration and circulation system and refrigeration circulation method |
| CN101504219A (en) * | 2009-03-08 | 2009-08-12 | 东北电力大学 | Air indirect cooling method and system for ammonia absorption type composite refrigeration cycle |
| CN101935056A (en) * | 2010-09-19 | 2011-01-05 | 昆明理工大学 | Ammonia separating process for ammonia synthesis |
| US20180142949A1 (en) * | 2016-11-18 | 2018-05-24 | Grant Nevison | Partial open-loop nitrogen refrigeration process and system for an oil or gas production operation |
| CN108489143A (en) * | 2018-05-09 | 2018-09-04 | 安徽沃特普尔节能科技有限公司 | A kind of novel energy-conserving system in library of being freezed using industrial exhaust heat |
-
2018
- 2018-10-16 CN CN201811201473.2A patent/CN109297255A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101059291A (en) * | 2007-05-25 | 2007-10-24 | 东南大学 | Ammonia absorption and compression combined refrigeration and circulation system and refrigeration circulation method |
| CN101504219A (en) * | 2009-03-08 | 2009-08-12 | 东北电力大学 | Air indirect cooling method and system for ammonia absorption type composite refrigeration cycle |
| CN101935056A (en) * | 2010-09-19 | 2011-01-05 | 昆明理工大学 | Ammonia separating process for ammonia synthesis |
| US20180142949A1 (en) * | 2016-11-18 | 2018-05-24 | Grant Nevison | Partial open-loop nitrogen refrigeration process and system for an oil or gas production operation |
| CN108489143A (en) * | 2018-05-09 | 2018-09-04 | 安徽沃特普尔节能科技有限公司 | A kind of novel energy-conserving system in library of being freezed using industrial exhaust heat |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111336720A (en) * | 2020-02-19 | 2020-06-26 | 西安交通大学 | Full-water-cooling segregation ammonia absorption heat pump system and control method |
| CN111336720B (en) * | 2020-02-19 | 2021-07-13 | 西安交通大学 | Full-water-cooling segregation ammonia absorption heat pump system and control method |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for 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: 20190201 |