CN105674051A - Automatic adjusting system for tank top nitrogen - Google Patents
Automatic adjusting system for tank top nitrogen Download PDFInfo
- Publication number
- CN105674051A CN105674051A CN201610078999.0A CN201610078999A CN105674051A CN 105674051 A CN105674051 A CN 105674051A CN 201610078999 A CN201610078999 A CN 201610078999A CN 105674051 A CN105674051 A CN 105674051A
- Authority
- CN
- China
- Prior art keywords
- nitrogen
- storage tank
- organic substance
- valve
- substance storage
- 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
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/04—Arrangement or mounting of valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2221/00—Handled fluid, in particular type of fluid
- F17C2221/01—Pure fluids
- F17C2221/014—Nitrogen
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2250/00—Accessories; Control means; Indicating, measuring or monitoring of parameters
Abstract
The invention discloses an automatic adjusting system for tank top nitrogen. The automatic adjusting system comprises an organic matter storage tank, a nitrogen charging hand-operated valve, a nitrogen charging valve, an exhaust valve, a pressure transmitter and a controller. The interior of the tank top of the organic matter storage tank is inflated with nitrogen serving as isolation gas between organic matter and air. An inlet and an outlet of the nitrogen charging hand-operated valve are correspondingly connected with an inlet of a nitrogen storage tank and an inlet of the nitrogen charging valve in a one-to-one manner. An outlet of the nitrogen charging valve is connected with a nitrogen inlet of the organic matter storage tank. The exhaust valve is connected with an exhaust port in the organic matter storage tank. The pressure transmitter is arranged outside the top of the organic matter storage tank. The nitrogen charging valve and the exhaust valve are both normally-closed gas lift adjusting valves. The controller is connected with the pressure transmitter, the nitrogen charging valve and the exhaust valve through signal lines. The automatic adjusting system for tank top nitrogen can effectively control pressure in various tanks, it is ensured that the interiors of the tanks are in the micro-positive pressure state all the time, and therefore the oxygen-free state of the interiors of the storage tanks can be achieved, and the risks of fire disasters and explosions are reduced to the minimum degree.
Description
Technical field
The present invention relates to the automatic regulating system of a kind of tank deck nitrogen.
Background technology
Nitrogen is as isolation gas between Organic substance liquid-to-air in Organic substance hermetically sealed can, to ensureing organic quality in hermetically sealed can, it is prevented that organic oxidation has played indispensable effect. All the time, owing to the measure of isolation air do not taked by many Organic substance storage tanks when inflated with nitrogen, thus it is very easy to cause fire, blast. And although some manufacturing enterprises take the protective measure of inflated with nitrogen; but the gas charging system of nitrogen is excessively simple; by manually-operated gate and respiratory organ compounding practice; cause or in Organic substance storage tank, nitrogen fills too much; the consumption making nitrogen is bigger than normal; it is unfavorable for the saving of the energy or the insufficient pressure in Organic substance storage tank, causes that oxygen penetrates into.
Summary of the invention
It is an object of the invention to overcome the defect of prior art to provide the automatic regulating system of a kind of tank deck nitrogen, it can effectively control the pressure inside the tank of Organic substance storage tank, guarantee to be in all the time in tank slight positive pressure state, effectively control the entrance of nitrogen, the entrance of starvation, thus the anaerobic state reached in storage tank, make fire, the risk of blast is preferably minimized.
The object of the present invention is achieved like this: the automatic regulating system of a kind of tank deck nitrogen, including Organic substance storage tank, inflated with nitrogen hand-operated valve, nitrogen charging air valve, air bleeding valve, pressure transmitter and controller, wherein,
The top of described Organic substance storage tank is provided with nitrogen inlet and organic import, and the bottom of this Organic substance storage tank is provided with organic outlet; The top of this Organic substance storage tank is provided with an air vent; Nitrogen it is filled with as the isolation gas between Organic substance and air in the abhiseca of this Organic substance storage tank;
The inlet and outlet of described inflated with nitrogen hand-operated valve connects nitrogen storage tank and the import of described nitrogen charging air valve correspondingly;
The outlet of described nitrogen charging air valve is connected with the nitrogen inlet of described Organic substance storage tank;
Described air bleeding valve is connected with the air vent on described Organic substance storage tank;
Described pressure transmitter is arranged on outside the top of described Organic substance storage tank;
Described nitrogen charging air valve and air bleeding valve are normally closed type gas and drive adjustment valve;
Described controller is connected with described pressure transmitter, nitrogen charging air valve and air bleeding valve respectively through holding wire;
When the nitrogen pressure in described Organic substance storage tank is in 1.05MPa, described controller controls described nitrogen charging air valve and exhaust valve closure;
When the nitrogen pressure in described Organic substance storage tank diminishes, described controller controls the aperture of described nitrogen charging air valve to be increased, and makes the nitrogen pressure in described Organic substance storage tank increase; When the nitrogen pressure in described Organic substance storage tank is more than 1.05MPa, described controller first controls the aperture of described air bleeding valve to be increased, and rear control described nitrogen charging air valve and closes, and is in 1.05MPa maintaining the nitrogen pressure in described Organic substance storage tank;
When the nitrogen pressure in described Organic substance storage tank becomes big, described controller controls the aperture of described nitrogen charging air valve and reduces, and makes the nitrogen pressure in described Organic substance storage tank reduce; When the nitrogen pressure in described Organic substance storage tank is less than 1.05MPa, described controller first controls the aperture of described nitrogen charging air valve to be increased, and rear controls described exhaust valve closure, is in 1.05MPa maintaining the nitrogen pressure in described Organic substance storage tank.
The automatic regulating system of above-mentioned tank deck nitrogen, wherein, also sets up aerofluxus hand-operated valve between air vent and the described air bleeding valve of described Organic substance storage tank.
The technical scheme of the automatic regulating system of the tank deck nitrogen of the present invention; a set of loop control system succinct, efficient is adopted to replace the clumsy manual operation system of prior art; the nitrogen pressure for material with the isolation gas of air making all kinds of storage tank obtains good control; reduce nitrogen consumption; the nitrogen pressure in storage tank is made to be in suitable slight positive pressure state all the time; effectively completely cut off air, make fire, the risk of blast is preferably minimized, effectively protection people's life and property safety.
Accompanying drawing explanation
Fig. 1 is the structural representation of the automatic regulating system of the tank deck nitrogen of the present invention;
Fig. 2 be the tank deck nitrogen of the present invention automatic regulating system in the graph of a relation of aperture and the nitrogen pressure in Organic substance storage tank of nitrogen charging air valve and air bleeding valve.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.
Refer to Fig. 1 and Fig. 2, the automatic regulating system of a kind of tank deck nitrogen of the present invention, including Organic substance storage tank 7, inflated with nitrogen hand-operated valve 1, nitrogen charging air valve 2, air bleeding valve 3, pressure transmitter 8 and controller 9, wherein:
The top of Organic substance storage tank 7 is provided with nitrogen inlet and organic import, and the bottom of this Organic substance storage tank is provided with organic outlet; The top of this Organic substance storage tank 7 is provided with an air vent; Nitrogen 72 it is filled with as the isolation gas between Organic substance 71 and air in the abhiseca of this Organic substance storage tank 7; Organic import connects inlet valve 5; Organic outlet connects outlet valve 6;
The inlet and outlet of inflated with nitrogen hand-operated valve 1 connects nitrogen storage tank (not shown) and the import of nitrogen charging air valve 2 correspondingly; Inflated with nitrogen hand-operated valve 1 use when urgent, is normal open at ordinary times;
The outlet of nitrogen charging air valve 2 is connected with the nitrogen inlet of Organic substance storage tank 7;
Air bleeding valve 3 is connected with the air vent on Organic substance storage tank 7; Aerofluxus hand-operated valve 4 is also set up between air vent and the air bleeding valve 3 of Organic substance storage tank 7; Aerofluxus hand-operated valve 4 use when urgent, is normal open at ordinary times;
Pressure transmitter 8 is arranged on outside the top of Organic substance storage tank 7;
Nitrogen charging air valve 2 and air bleeding valve 3 are normally closed type gas and drive adjustment valve;
Controller 9 is connected with pressure transmitter 8, nitrogen charging air valve 2 and air bleeding valve 3 respectively through holding wire.
When the nitrogen pressure in Organic substance storage tank 7 is in 1.05MPa, controller 9 controls nitrogen charging air valve 2 and air bleeding valve 3 is closed;
When the nitrogen pressure in Organic substance storage tank 7 diminishes, the aperture that controller 9 controls nitrogen charging air valve 2 by the pressure signal that pressure transmitter 8 records increases, and supplements nitrogen, make the nitrogen pressure in Organic substance storage tank 7 increase in Organic substance storage tank 7; When the nitrogen pressure in Organic substance storage tank 7 is more than 1.05MPa, controller 9 first controls the aperture of air bleeding valve 3 to be increased, machine thing storage tank 7 is made to discharge nitrogen outward, namely row pressure release is carried out, rear control nitrogen charging air valve 2 is closed, and is in 1.05MPa (see Fig. 2) maintaining the nitrogen pressure in Organic substance storage tank 7;
When the nitrogen pressure in Organic substance storage tank 7 becomes big, the aperture that controller 9 controls nitrogen charging air valve 2 by the pressure signal that pressure transmitter 8 records reduces, and namely carries out row pressure release, makes the nitrogen pressure in Organic substance storage tank 7 reduce; When the nitrogen pressure in Organic substance storage tank 7 is less than 1.05MPa, controller 9 first controls the aperture of nitrogen charging air valve 2 to be increased, and supplements nitrogen in Organic substance storage tank 7, and the rear air bleeding valve 3 that controls is closed, and is in 1.05MPa maintaining the nitrogen pressure in Organic substance storage tank 7.
The operation principle of the automatic regulating system of the tank deck nitrogen of the present invention is: is accurately measured the nitrogen pressure in Organic substance storage tank 7 by pressure transmitter 8 and is transmitted in controller 9 by the pressure signal recorded, opening and closing and the aperture of nitrogen charging air valve 2 and air bleeding valve 3 is controlled, it is achieved the balance of gaseous pressure in Organic substance storage tank 7 by controller 9.
The automatic regulating system of the tank deck nitrogen of the present invention; a set of loop control system succinct, efficient is adopted to replace the clumsy manual operation system of prior art; the nitrogen making all kinds of storage tank obtains good control; reduce nitrogen consumption; the nitrogen pressure in storage tank (1.05MPa) is made to be in suitable slight positive pressure state all the time; effectively completely cut off air, make fire, the risk of blast is preferably minimized, effectively protection people's life and property safety.
Above example is used for illustrative purposes only, but not limitation of the present invention, person skilled in the relevant technique, without departing from the spirit and scope of the present invention, various conversion or modification can also be made, therefore all equivalent technical schemes also should belong to scope of the invention, should be limited by each claim.
Claims (2)
1. an automatic regulating system for tank deck nitrogen, including Organic substance storage tank, inflated with nitrogen hand-operated valve, nitrogen charging air valve, air bleeding valve, pressure transmitter and controller, it is characterised in that
The top of described Organic substance storage tank is provided with nitrogen inlet and organic import, and the bottom of this Organic substance storage tank is provided with organic outlet; The top of this Organic substance storage tank is provided with an air vent; Nitrogen it is filled with as the isolation gas between Organic substance and air in the abhiseca of this Organic substance storage tank;
The inlet and outlet of described inflated with nitrogen hand-operated valve connects nitrogen storage tank and the import of described nitrogen charging air valve correspondingly;
The outlet of described nitrogen charging air valve is connected with the nitrogen inlet of described Organic substance storage tank;
Described air bleeding valve is connected with the air vent on described Organic substance storage tank;
Described pressure transmitter is arranged on outside the top of described Organic substance storage tank;
Described nitrogen charging air valve and air bleeding valve are normally closed type gas and drive adjustment valve;
Described controller is connected with described pressure transmitter, nitrogen charging air valve and air bleeding valve respectively through holding wire;
When the nitrogen pressure in described Organic substance storage tank is in 1.05MPa, described controller controls described nitrogen charging air valve and exhaust valve closure;
When the nitrogen pressure in described Organic substance storage tank diminishes, described controller controls the aperture of described nitrogen charging air valve to be increased, and makes the nitrogen pressure in described Organic substance storage tank increase; When the nitrogen pressure in described Organic substance storage tank is more than 1.05MPa, described controller first controls the aperture of described air bleeding valve to be increased, and rear control described nitrogen charging air valve and closes, and is in 1.05MPa maintaining the nitrogen pressure in described Organic substance storage tank;
When the nitrogen pressure in described Organic substance storage tank becomes big, described controller controls the aperture of described nitrogen charging air valve and reduces, and makes the nitrogen pressure in described Organic substance storage tank reduce; When the nitrogen pressure in described Organic substance storage tank is less than 1.05MPa, described controller first controls the aperture of described nitrogen charging air valve to be increased, and rear controls described exhaust valve closure, is in 1.05MPa maintaining the nitrogen pressure in described Organic substance storage tank.
2. the automatic regulating system of tank deck nitrogen according to claim 1, it is characterised in that also set up aerofluxus hand-operated valve between air vent and the described air bleeding valve of described Organic substance storage tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610078999.0A CN105674051A (en) | 2016-02-03 | 2016-02-03 | Automatic adjusting system for tank top nitrogen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610078999.0A CN105674051A (en) | 2016-02-03 | 2016-02-03 | Automatic adjusting system for tank top nitrogen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105674051A true CN105674051A (en) | 2016-06-15 |
Family
ID=56304111
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610078999.0A Pending CN105674051A (en) | 2016-02-03 | 2016-02-03 | Automatic adjusting system for tank top nitrogen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105674051A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110254989A (en) * | 2019-06-03 | 2019-09-20 | 广东康帝绿色生物科技有限公司 | A kind of system and its control mode for nitrogen envelope edible oil pressure inside the tank |
| CN113443285A (en) * | 2021-06-23 | 2021-09-28 | 吉林碳谷碳纤维股份有限公司 | Storage method and storage device for monomer prepared from PAN precursor and PAN precursor prepared from monomer |
| CN114655579A (en) * | 2022-03-14 | 2022-06-24 | 上海吉啸电子科技有限公司 | Nitrogen sealing device for CDS (chemical vapor deposition) stock solution barrel |
-
2016
- 2016-02-03 CN CN201610078999.0A patent/CN105674051A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110254989A (en) * | 2019-06-03 | 2019-09-20 | 广东康帝绿色生物科技有限公司 | A kind of system and its control mode for nitrogen envelope edible oil pressure inside the tank |
| CN113443285A (en) * | 2021-06-23 | 2021-09-28 | 吉林碳谷碳纤维股份有限公司 | Storage method and storage device for monomer prepared from PAN precursor and PAN precursor prepared from monomer |
| CN114655579A (en) * | 2022-03-14 | 2022-06-24 | 上海吉啸电子科技有限公司 | Nitrogen sealing device for CDS (chemical vapor deposition) stock solution barrel |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160615 |