CN104743528B - Nitrogen recycling and utilizing system - Google Patents
Nitrogen recycling and utilizing system Download PDFInfo
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- CN104743528B CN104743528B CN201510138109.6A CN201510138109A CN104743528B CN 104743528 B CN104743528 B CN 104743528B CN 201510138109 A CN201510138109 A CN 201510138109A CN 104743528 B CN104743528 B CN 104743528B
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- nitrogen
- separating unit
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- condensation separating
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Abstract
The invention relates to a nitrogen recycling and utilizing system. The nitrogen recycling and utilizing system comprises a vacuum gasification device, a first condensation separating device, a primary compression device and a secondary condensation separating device which are in turn connected along the nitrogen flowing direction, wherein the secondary condensation separating device is respectively connected with a nitrogen circulating tank and a secondary compression device; the vacuum gasified nitrogen is secondary condensed and separated and the carbon disulfide is removed, an oxygen content detecting device is used for detecting whether the nitrogen meets the standard, if meeting the standard, the nitrogen is put into the nitrogen circulating tank for direct use; if not meeting the standard, the nitrogen is compressed and condensed and the carbon disulfide is separated, and the nitrogen is decontaminated through the carbon disulfide absorption reaction tower group and the oxygen absorbing system and is recycled to the vacuum gasifying device. By adopting the nitrogen recycling and utilizing system, the cyclic utilization of nitrogen is realized, the oxygen and the carbon disulfide impurities are effectively removed, the zero pollution discharge is realized and the using efficiency is improved.
Description
Technical field
The present invention relates to a kind of nitrogen circulation processing and utilizing system.
Background technology
Generally shielding gas is served as using nitrogen in Chemical Manufacture in prior art, nitrogen is often mixed after using discharge
Miscellaneous a certain amount of oxygen and Carbon bisulfide, it is therefore desirable to effectively remove and continue to recycle after oxygen and Carbon bisulfide impurity, be this
Need to provide a kind of effective nitrogen circulation processing and utilizing system, the requirement of no pollution discharge during realizing recycling.
The content of the invention
It is an object of the invention to overcome above-mentioned problem of the prior art, there is provided a kind of nitrogen circulation processing and utilizing system,
Recycling for its achievable nitrogen, effectively removes oxygen and Carbon bisulfide impurity, realizes that no pollution is discharged, and uses so as to be lifted
Efficiency.
The purpose of the present invention is to be achieved through the following technical solutions：
Nitrogen circulation processing and utilizing system, including the vacuum gasifying device being sequentially connected by nitrogen flow direction, first cold
Solidifying segregation apparatuss, one stage of compression device and the second condensation separating unit, second condensation separating unit respectively with nitrogen circulation
Tank and two-stage compression device connect, the two-stage compression device as described in nitrogen flow direction be sequentially connected the 3rd condensation separating unit,
Carbon bisulfide absorbing reaction tower group and Oxygen Adsorption system, the Carbon bisulfide absorbing reaction tower group is used to absorb process curing
Carbon, the nitrogen Jing after the process of Oxygen Adsorption system is re-circulated to vacuum gasifying device；It is first condensation separating unit, described
Second condensation separating unit and the 3rd condensation separating unit are connected respectively with Carbon bisulfide basin, for storing condensation separation
Carbon bisulfide afterwards；Oxygen is provided between second condensation separating unit and the nitrogen circulation tank and the two-stage compression device
Content detection device, for selecting connection nitrogen circulation tank or the two-stage compression device according to the oxygen content concentration for detecting.
Nitrogen after vacuum gasifying is detected after time condensation is separated and removes Carbon bisulfide through oxygen content detector
Conformance with standard, selects into nitrogen circulation tank for directly using if meeting；If not meeting select again pass by compression,
Condensation separation Carbon bisulfide, then again passes by Carbon bisulfide absorbing reaction tower group and Oxygen Adsorption system remove impurity, circulates again
To vacuum gasifying device.
Further, when the oxygen content detector detects oxygen content ＜ 3%, the second condensation separating unit choosing
Select and connected with the nitrogen circulation tank；When the oxygen content detector detects oxygen content >=3%, second condensation separation
Device selects to be connected with the two-stage compression device.
Further, the Oxygen Adsorption system is connected with oxygen storage device.
Nitrogen circulation processing and utilizing system of the present invention, the nitrogen after vacuum gasifying is separated through time condensation and removed
After Carbon bisulfide, conformance with standard is detected whether through oxygen content detector, select to enter nitrogen circulation tank if meeting for straight
Connect and use；Select to again pass by compression, condensation separation Carbon bisulfide if not meeting, then again pass by Carbon bisulfide and absorb anti-
Ying Taqun and Oxygen Adsorption system remove impurity, are re-circulated to vacuum gasifying device.This nitrogen circulation processing and utilizing system, in fact
Recycling for nitrogen is showed, effectively removes oxygen and Carbon bisulfide impurity, realized no pollution discharge, made so as to improve
Use efficiency.
Description of the drawings
Fig. 1 is the structural representation of nitrogen circulation processing and utilizing system of the present invention.
Specific embodiment
The present invention is described in further detail below according to drawings and Examples.
As shown in figure 1, the nitrogen circulation processing and utilizing system described in the embodiment of the present invention, including by nitrogen flow direction according to
The vacuum gasifying device 1 of secondary connection, the first condensation separating unit 2, the condensation separating unit 4 of one stage of compression device 3 and second, second
Condensation separating unit 4 is connected respectively with nitrogen circulation tank 5 and two-stage compression device 6, by nitrogen flow direction two-stage compression device 6
The 3rd condensation separating unit 7, Carbon bisulfide absorbing reaction tower group 8 and Oxygen Adsorption system 9 are sequentially connected, Carbon bisulfide absorbs anti-
Ying Taqun 8 is used to absorb process Carbon bisulfide, and the nitrogen Jing after the process of Oxygen Adsorption system is re-circulated to vacuum gasifying device
1；First condensation separating unit 2, the second condensation separating unit 4 and the 3rd condensation separating unit 7 respectively with Carbon bisulfide basin 10
Connection, for storing condensation separation after Carbon bisulfide；Second condensation separating unit 4 is filled with nitrogen circulation tank 5 and two-stage compression
Put and be provided between 6 oxygen content detector 12, for selecting connection nitrogen circulation tank or two according to the oxygen content concentration for detecting
Level compressor.
When oxygen content detector detects oxygen content ＜ 3%, the second condensation separating unit selects to connect with nitrogen circulation tank
It is logical；When oxygen content detector detects oxygen content >=3%, the second condensation separating unit selects to be connected with two-stage compression device.Oxygen
Gas adsorption system is connected with oxygen storage device 11.
Nitrogen after vacuum gasifying is detected after time condensation is separated and removes Carbon bisulfide through oxygen content detector
Conformance with standard, selects into nitrogen circulation tank for directly using if meeting；If not meeting select again pass by compression,
Condensation separation Carbon bisulfide, then again passes by Carbon bisulfide absorbing reaction tower group and Oxygen Adsorption system remove impurity, circulates again
To vacuum gasifying device.
Explanation embodiments of the present invention are the foregoing is only, the present invention is not limited to, for the technology of this area
For personnel, all any modification, equivalent substitution and improvements within the spirit and principles in the present invention, made etc. should be included in
Within protection scope of the present invention.
Claims (3)
1. nitrogen circulation processing and utilizing system, it is characterised in that include that the vacuum gasifying being sequentially connected by nitrogen flow direction is filled
Put, the first condensation separating unit, one stage of compression device and the second condensation separating unit, second condensation separating unit respectively with
Nitrogen circulation tank and two-stage compression device connect, and the two-stage compression device as described in nitrogen flow direction is sequentially connected the 3rd condensation point
From device, Carbon bisulfide absorbing reaction tower group and Oxygen Adsorption system, the Carbon bisulfide absorbing reaction tower group for absorption at
Reason Carbon bisulfide, the nitrogen Jing after the process of Oxygen Adsorption system is re-circulated to vacuum gasifying device；
First condensation separating unit, second condensation separating unit and the 3rd condensation separating unit respectively with two sulfur
Change the connection of carbon basin, for storing condensation separation after Carbon bisulfide；
Oxygen content detection is provided between second condensation separating unit and the nitrogen circulation tank and the two-stage compression device
Device, for selecting connection nitrogen circulation tank or the two-stage compression device according to the oxygen content concentration for detecting.
2. nitrogen circulation processing and utilizing system as claimed in claim 1, it is characterised in that the oxygen content detector detection
During to oxygen content ＜ 3%, second condensation separating unit selects to be connected with the nitrogen circulation tank；The oxygen content detection dress
Put when detecting oxygen content >=3%, second condensation separating unit selects to be connected with the two-stage compression device.
3. nitrogen circulation processing and utilizing system as claimed in claim 1, it is characterised in that the Oxygen Adsorption system is connected with
Oxygen storage device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510138109.6A CN104743528B (en) | 2015-03-27 | 2015-03-27 | Nitrogen recycling and utilizing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510138109.6A CN104743528B (en) | 2015-03-27 | 2015-03-27 | Nitrogen recycling and utilizing system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104743528A CN104743528A (en) | 2015-07-01 |
| CN104743528B true CN104743528B (en) | 2017-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510138109.6A Active CN104743528B (en) | 2015-03-27 | 2015-03-27 | Nitrogen recycling and utilizing system |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107399726A (en) * | 2016-05-19 | 2017-11-28 | 拜默实验设备（上海）股份有限公司 | A kind of air compressor machine nitrogen gas generating device |
| CN110420534B (en) * | 2019-08-17 | 2021-09-07 | 上海协柯环保设备有限公司 | Carbon disulfide tail gas recovery system and method |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19548010A1 (en) * | 1995-12-21 | 1996-05-23 | Linde Ag | Organyl substd. amino oligo:alkyl ether physical absorption agents |
| DE19548007A1 (en) * | 1995-12-21 | 1996-05-30 | Linde Ag | Selectively removing (in)organic sulphur cpds. from gases |
| CN104457138A (en) * | 2014-10-23 | 2015-03-25 | 江西恒兴源化工有限公司 | Method for recovering carbon sulfide and hydrogen in separation mode |
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