CN208135905U - Ice maker Ammonia separation system - Google Patents
Ice maker Ammonia separation system Download PDFInfo
- Publication number
- CN208135905U CN208135905U CN201820597713.4U CN201820597713U CN208135905U CN 208135905 U CN208135905 U CN 208135905U CN 201820597713 U CN201820597713 U CN 201820597713U CN 208135905 U CN208135905 U CN 208135905U
- Authority
- CN
- China
- Prior art keywords
- pipeline
- ammonia
- motor pump
- liquid
- canned motor
- 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.)
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- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 title claims abstract description 155
- 229910021529 ammonia Inorganic materials 0.000 title claims abstract description 75
- 238000000926 separation method Methods 0.000 title claims abstract description 33
- 239000007788 liquid Substances 0.000 claims abstract description 49
- 238000003860 storage Methods 0.000 claims abstract description 8
- 238000000746 purification Methods 0.000 claims abstract description 7
- 239000007789 gas Substances 0.000 claims description 23
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 12
- 229910052757 nitrogen Inorganic materials 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000005261 decarburization Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 9
- 238000001816 cooling Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 206010020852 Hypertonia Diseases 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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
Landscapes
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The utility model relates to decarburization ice maker Ammonia separation field, specifically a kind of ice maker Ammonia separation systems.One section of separator on purification gas ammonia pipeline is connected to including air inlet, canned motor pump A, canned motor pump B, the liquid ammonia storage tank being connected on canned motor pump A and canned motor pump B liquid outlet, liquefied ammonia liquid separation tank is connected to by the first pipeline on one section of separator liquid outlet, the first normally open valve is in series on the first pipeline, the second pipeline and third pipeline are further respectively had on liquefied ammonia liquid separation tank, relief valve is in series on second pipeline, and second pipeline is connected to ammonia blow-down pipe.Ice maker Ammonia separation system described in the utility model, increase processing time when liquefied ammonia liquid separation tank greatly extends one section of separator belt liquid, liquid level height leads to the generation of unit Parking situation when reducing one section of separator belt liquid, the feasibility and practicability for sufficiently proving the utility model have great effect with energy-saving to guaranteeing that production is stable.
Description
Technical field
The utility model relates to decarburization ice maker Ammonia separation field, specifically a kind of ice maker Ammonia separation systems.
Background technique
- 40 DEG C of grade gas ammonias washed from low-temp methanol enter compressor low pressure (LP) cylinder after one section of separator 1 separates and are pressed
Contracting, compressed gas enters secondary vacuum seperator after cooler and is mixed with the gas ammonia that subcooler comes, through secondary vacuum seperator
After separation, pressure stabilizing, filtering, the high pressure cylinder into compressor is compressed.Pressure rises to after the compression of high pressure cylinder second segment
0.73Mpa (G) enters compressor high pressure cylinder third section after two-step cooling device is cooling and is compressed.Pressure rises to after compression
1.58 Mpa (G) are cooled down into third section outlet cooler, are entered ammonia condenser through preliminary gas after cooling and be condensed into
40 DEG C of liquefied ammonia flows into liquid ammonia storage tank 2, is cooled to 5 DEG C through subcooler and washes use for low-temp methanol.Secondary vacuum seperator is separated
Liquefied ammonia product in separator bottom, when liquid level reach a certain height, one section of separator 1 is discharged into, when the liquefied ammonia liquid of one section of separator 1
When position reach a certain height, pass through two liquefied ammonia canned motor pumps（One of them is stand-by pump）In a liquefied ammonia canned motor pump by one section
Excessive liquefied ammonia is stockpiled in separator 1 and is sent into liquid ammonia storage tank 2, but is found when actual production, due to pressure in one section of separator 1
For -0.036MPa（G）And liquefied ammonia canned motor pump and one section of separator 1 are mounted on coplanar, in case of emergency liquefied ammonia canned motor pump
It cannot play a role well, once generation the liquefied ammonia in one section of separator 1 can only be drained into trench with liquid phenomenon or unit is tight
Emergency stop vehicle brings great loss to production.
Utility model content
Liquefied ammonia cannot be good in one section of separator 1 in order to solve in existing decarburization ice maker Ammonia separation for the utility model
It utilizes, provides a kind of ice maker Ammonia separation system.
The utility model is achieved through the following technical solutions：Ice maker Ammonia separation system, including air inlet are connected to
Purify one section of separator on gas ammonia pipeline, canned motor pump A, canned motor pump B, the liquid being connected on canned motor pump A and canned motor pump B liquid outlet
Ammonia storage tank is connected to liquefied ammonia liquid separation tank by the first pipeline on one section of separator liquid outlet, is in series on the first pipeline
One normally open valve further respectively has the second pipeline and third pipeline on liquefied ammonia liquid separation tank, is in series with pressure release on second pipeline
Valve, and second pipeline is connected to ammonia blow-down pipe, the second pipeline positioned at relief valve inlet is connected in parallel to canned motor pump A
With canned motor pump B, be separately installed with the second normally open valve and third normally open valve on canned motor pump A and canned motor pump B inlet, canned motor pump A and
The first normally close valve and the second normally close valve are separately installed on canned motor pump B liquid outlet, the liquid outlet of the first normally close valve is connected to second
At normally close valve liquid outlet, the second pipeline at relief valve inlet is connected in parallel to the 4th pipeline, connects on the 4th pipeline
There is gas ammonia outlet valve, and the 4th pipeline is connected on purification gas ammonia pipeline；Third normally close valve is in series on third pipeline, third is normal
Valve closing is connected on low-pressure nitrogen pipeline.
Ice maker Ammonia separation system described in the utility model increases liquefied ammonia liquid separation tank and greatly extends one section of separator belt
Processing time when liquid, liquid level height leads to the generation of unit Parking situation when reducing one section of separator belt liquid, sufficiently proves this
The feasibility and practicability of utility model have great effect with energy-saving to guaranteeing that production is stable.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of ice maker Ammonia separation system described in the utility model.
In figure：Mono- section of separator of 1-, 2- liquid ammonia storage tank, 3- canned motor pump A, 4- canned motor pump B, 5- purify gas ammonia pipeline, 6- the
One pipeline, 7- liquefied ammonia liquid separation tank, the first normally open valve of 8-, the second pipeline of 9-, 10- third pipeline, 11- ammonia blow-down pipe, 12- pressure release
Valve, the second normally open valve of 13-, 14- third normally open valve, the first normally close valve of 15-, the second normally close valve of 16-, the 4th pipeline of 17-, 18- gas
Ammonia outlet valve, 19- third normally close valve, 20- low-pressure nitrogen pipeline.
Specific embodiment
To keep the purpose of this utility model, technical solution and advantage clearer, below by the technology to the utility model
Scheme is described in detail.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work
Obtained all other embodiment is put, the range that the utility model is protected is belonged to.
The technical solution of the utility model is described in detail with reference to the accompanying drawing.
Ice maker Ammonia separation system is connected to one section of separator 1 on purification gas ammonia pipeline 5, canned motor pump A including air inlet
3, canned motor pump B 4, the liquid ammonia storage tank 2 being connected on 4 liquid outlet of canned motor pump A 3 and canned motor pump B, one section of separator 1 go out liquid
Liquefied ammonia liquid separation tank 7 is connected to by the first pipeline 6 on mouth, is in series with the first normally open valve 8 on the first pipeline 6, on liquefied ammonia liquid separation tank 7
The second pipeline 9 and third pipeline 10 are further respectively had, relief valve 12, and second pipe are in series on second pipeline 9
Line 9 is connected to ammonia blow-down pipe 11, is connected in parallel to canned motor pump A 3 and shielding positioned at the second pipeline 9 of 12 inlet of relief valve
The second normally open valve 13 and third normally open valve 14, canned motor pump are separately installed on pump 4 inlet of B 4, canned motor pump A 3 and canned motor pump B
The first normally close valve 15 and the second normally close valve 16 are separately installed on 4 liquid outlet of A 3 and canned motor pump B, the first normally close valve 15 goes out liquid
Mouth is connected at 16 liquid outlet of the second normally close valve, and the second pipeline 9 at 12 inlet of relief valve is connected in parallel to the 4th pipe
Line 17 is in series with gas ammonia outlet valve 18 on the 4th pipeline 17, and the 4th pipeline 17 is connected on purification gas ammonia pipeline 5；Third pipe
Third normally close valve 19 is in series on line 10, third normally close valve 19 is connected on low-pressure nitrogen pipeline 20.
When specifically used, the purified gas ammonia pipeline 5 of the gas ammonia for washing workshop section from low-temp methanol enters to one section of separator 1
In, isolated gas ammonia enters Compressor Process gas system, and isolated liquefied ammonia enters liquid through the first pipeline 6 and the first normally open valve 8
Ammonia liquid separation tank 7 opens the second normally open valve 13 and third normally open valve 14, closes the first normally close valve 15 and the second normally close valve 16, liquefied ammonia
The gas ammonia of liquid separation tank 7 is entered in purification gas ammonia pipeline 5 by the second pipeline 9, the 4th pipeline 17 and gas ammonia outlet valve 18.Work as liquid
When liquid level in ammonia liquid separation tank 7 reaches 80%, gas ammonia outlet valve 18, the first normally open valve 8 are closed, it is pico- to open on third pipeline 10
Third normally close valve 19, low-pressure nitrogen pipeline 20（Wherein pressure is lower than 10MPa）Interior nitrogen to 7 ftercompction of liquefied ammonia liquid separation tank extremely
0.3MPa, cooled one of canned motor pump（One of them in canned motor pump A 3 and canned motor pump B 4 is working barrel, another
For stand-by pump）The normally close valve of liquid outlet is opened, and the liquefied ammonia in liquefied ammonia liquid separation tank 7 is forced into 1.6MPa and is delivered to liquid ammonia storage tank 2,
The first normally open valve 8 is opened again after emptying the liquefied ammonia in liquefied ammonia liquid separation tank 7, with system communication.
In liquefied ammonia liquid separation tank 7 when hypertonia, relief valve 12 can be opened, liquefied ammonia enters ammonia blow-down pipe by relief valve 12
11, it is sent to ammonia torch.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replacement, it should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with the power
Subject to the protection scope that benefit requires.
Claims (1)
1. ice maker Ammonia separation system, including air inlet are connected to purification gas ammonia pipeline（5）On one section of separator（1）, shielding
Pump A（3）, canned motor pump B（4）, it is connected to canned motor pump A（3）With canned motor pump B（4）Liquid ammonia storage tank on liquid outlet（2）, feature exists
In one section of separator（1）Pass through the first pipeline on liquid outlet（6）It is connected to liquefied ammonia liquid separation tank（7）, the first pipeline（6）On
It is in series with the first normally open valve（8）, liquefied ammonia liquid separation tank（7）On further respectively have the second pipeline（9）And third pipeline（10）, described
Second pipeline（9）On be in series with relief valve（12）, and second pipeline（9）It is connected to ammonia blow-down pipe（11）, it is located at pressure release
Valve（12）Second pipeline of inlet（9）It is connected in parallel to canned motor pump A（3）With canned motor pump B（4）, canned motor pump A（3）With canned motor pump B
（4）The second normally open valve is separately installed on inlet（13）With third normally open valve（14）, canned motor pump A（3）With canned motor pump B（4）Out
The first normally close valve is separately installed on liquid mouth（15）With the second normally close valve（16）, the first normally close valve（15）Liquid outlet be connected to
Two normally close valves（16）At liquid outlet, it is located at relief valve（12）The second pipeline at inlet（9）It is connected in parallel to the 4th pipeline
（17）, the 4th pipeline（17）On be in series with gas ammonia outlet valve（18）, and the 4th pipeline（17）It is connected to purification gas ammonia pipeline（5）
On；Third pipeline（10）On be in series with third normally close valve（19）, third normally close valve（19）It is connected to low-pressure nitrogen pipeline（20）On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820597713.4U CN208135905U (en) | 2018-04-25 | 2018-04-25 | Ice maker Ammonia separation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820597713.4U CN208135905U (en) | 2018-04-25 | 2018-04-25 | Ice maker Ammonia separation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208135905U true CN208135905U (en) | 2018-11-23 |
Family
ID=64311029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820597713.4U Active CN208135905U (en) | 2018-04-25 | 2018-04-25 | Ice maker Ammonia separation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208135905U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111013335A (en) * | 2019-12-06 | 2020-04-17 | 大同煤矿集团有限责任公司 | Low-temperature methanol washing transformation process |
-
2018
- 2018-04-25 CN CN201820597713.4U patent/CN208135905U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111013335A (en) * | 2019-12-06 | 2020-04-17 | 大同煤矿集团有限责任公司 | Low-temperature methanol washing transformation process |
| CN111013335B (en) * | 2019-12-06 | 2022-05-10 | 晋能控股煤业集团有限公司 | Low-temperature methanol washing transformation process |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20210115 Granted publication date: 20181123 |
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| PP01 | Preservation of patent right | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20230115 Granted publication date: 20181123 |
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| PD01 | Discharge of preservation of patent |