CN2849428Y - Oxygen storage device capable of real-time controlling oxygen supply quantity - Google Patents
Oxygen storage device capable of real-time controlling oxygen supply quantity Download PDFInfo
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- CN2849428Y CN2849428Y CN 200520035437 CN200520035437U CN2849428Y CN 2849428 Y CN2849428 Y CN 2849428Y CN 200520035437 CN200520035437 CN 200520035437 CN 200520035437 U CN200520035437 U CN 200520035437U CN 2849428 Y CN2849428 Y CN 2849428Y
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- oxygen
- liquid
- nitrogen
- pipe network
- storage tank
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Abstract
The utility model discloses an oxygen storage device which can control the oxygen supply quantity of a pipeline in a real-time mode by using the cold energy exchange of liquid oxygen and liquid nitrogen. The utility model is mainly composed of a liquifier, a heat insulation cold box, a liquid oxygen storage tank, a liquid nitrogen storage tank and a pressure controller, wherein the liquefier is a cold energy exchanger of the liquid oxygen and the liquid nitrogen, the oxygen hot end of the liquefier is connected with an oxygen pipe network, the oxygen cold end of the liquefier is connected with the liquid oxygen storage tank, the nitrogen hot end of the liquefier is connected with a nitrogen pipe network and the nitrogen cold end of the liquefier is connected with the liquid nitrogen storage tank. When the utility model is in an oxygen using trough, under the control of the pressure controller, oxygen in the oxygen pipe network is liquefied into liquid oxygen which flows into the liquid oxygen storage tank for storage. When the utility model is in an oxygen using peak, under the control of the pressure controller, the liquid oxygen in the liquid oxygen storage tank is vaporized into oxygen to supply oxygen for the oxygen pipe network. The utility model realizes the low energy consumption, the cost is reduced and the oxygen which is lost by the oxygen pipe network of a metallurgy enterprise can be efficiently recovered. When the utility model is in an oxygen using peak, the utility model can rapidly supply oxygen for the oxygen pipe network and can achieve the purpose that the energy is saved and the oxygen supply of metallurgy production can be effectively regulated.
Description
Technical field
The storage of oxygen was for controlling device when the utility model related to the empty subtube oxygen supply of a kind of continous way.
Technical background
Because modern smelting iron and steel production needs a large amount of oxygen, iron and steel metallurgy enterprise all has the real-time feed that the oxygenerator group that is complementary with iron and steel output guarantees oxygen usually specially.Yet, actual steel smelting procedure is very unbalanced to the real-time requirement amount of oxygen, be periodicity and period variation, and the amount of oxygen that the oxygenerator group is confessed in real time is substantially invariable, when so just causing oxygen demand at a low ebb, the oxygen-supplying amount surplus, the oxygen supply ductwork pressure raises rapidly, is forced to that oxygen is done emptying and handles, and causes energy waste, and when oxygen demand peaked, pipe network oxygen-supplying amount deficiency appearred again.For solving the real-time supply and demand amount of oxygen contradiction in the smelting iron and steel production, the basic ideas of prior art are clear and definite, promptly with the oxygen low ebb time, oxygen liquefaction are stored, and during stand-by oxygen peak, the oxygen vaporization are confessed.The problem that exists be as how most economical, rationally, pipe network was put damage when mode will be with the oxygen low ebb efficiently oxygen fast liquefying reclaims and stores, give pipe network and with the oxygen peak time, oxygen replenishment can in time the liquid oxygen that stores be vaporizated into fast, to remedy the deficiency of oxygenerator group oxygen delivery capacity.
The model utility content
The utility model aims to provide a kind of liquid oxygen liquid nitrogen cold that utilizes and exchanges the storage oxygen device that carries out the real-time monitoring oxygen-supplying amount, all reclaim the pipe network that liquefies apace when realizing and put the oxygen of damage with the oxygen low ebb, supply oxygen apace during with the oxygen peak reaches energy saving, guarantees the purpose of oxygen supply.
But a kind of storage oxygen device of real-time monitoring oxygen-supplying amount, mainly comprise liquifier, subcooler, insulation ice chest, liquid oxygen storage tank, liquid nitrogen storage tank, pressure controller, throttle valve, oxygen pipe network, nitrogen pipe network, described liquifier is a liquid oxygen liquid nitrogen cold exchanger, be placed in the insulation ice chest, the oxygen hot junction of liquifier is connected with the oxygen pipe network, the oxygen cold junction of liquifier is connected with liquid oxygen storage tank, and the nitrogen hot junction of liquifier is connected with the nitrogen pipe network, and the nitrogen cold junction of liquifier is connected with liquid nitrogen storage tank.Using the oxygen low-valley interval, pressure controller detects the oxygen ductwork pressure when being increased to certain value, automatically output signal control nitrogen pressurized machine makes the liquid nitrogen storage tank supercharging, liquid nitrogen in the liquid nitrogen storage tank flows into liquifier and heat absorption therein and is vaporizated into nitrogen and enters the nitrogen pipe network, and the oxygen more than needed in the oxygen pipe network enters liquifier and the liquefaction of heat release therein flows into the liquid oxygen storage tank storage for liquid oxygen simultaneously; Otherwise, using oxygen peak period, pressure controller detects the oxygen ductwork pressure when being reduced to certain value, automatically output signal control oxygen pressurized machine makes the liquid oxygen storage tank supercharging, liquid oxygen flows into liquifier and heat absorption therein is vaporizated into oxygen to oxygen pipe network supply oxygen, and liquefaction stored for liquid nitrogen flows into liquid nitrogen storage tank after the nitrogen in the nitrogen pipe network entered liquifier and absorbs cold therein simultaneously.So exchange the liquefaction storage or the vaporization that realize oxygen in the oxygen pipe network mutually and confess, thereby realization is to the real-time monitoring of oxygen pipe network oxygen-supplying amount by control liquid oxygen liquid nitrogen cold.
Further, between the oxygen cold junction of liquifier and liquid oxygen storage tank, be connected with and make the further subcooler of cooling of liquid oxygen, subcooler is placed in the insulation ice chest, the oxygen cold junction of subcooler is connected with liquid oxygen storage tank by the throttle valve of two interlockings in parallel, the nitrogen cold junction of subcooler is connected with liquid nitrogen storage tank by a throttle valve, and the nitrogen hot junction of subcooler is connected with liquifier.
Further, the connecting tube between the cold junction of liquifier and the liquid oxygen liquid nitrogen storage tank adopts vacuum tube, can reduce loss of refrigeration capacity.
Further, described liquifier and subcooler adopt the plate fin heat-exchanging structure, to improve heat exchange efficiency.
Further, can also detect oxygen flow signal substituting pressure signal in the oxygen pipe network as the input signal of pressure controller.
Because the utility model exchanges by control liquid oxygen liquid nitrogen cold, realized the liquefaction of oxygen in the oxygen pipe network is stored or vaporization output regulation and control, make the former oxygen that diffuses be able to whole recovery, empty timesharing is spontaneous because the used liquid oxygen liquid nitrogen medium of regulation and control is the oxygenerator group again, need not invest new liquefaction plant, and the loss of refrigeration capacity in the regulation and control is very little, realize low energy consumption, low cost, reclaimed the oxygen that pipe network is put damage expeditiously, reach both energy saving, guarantee the purpose of metallurgical production oxygen supply again.
Description of drawings
Accompanying drawing is the formation and the annexation schematic representation of storage oxygen device.
Embodiment
But the storage oxygen device of real-time monitoring oxygen-supplying amount as shown in the figure, mainly by liquifier 1, insulation ice chest 2, liquid oxygen storage tank 3, liquid nitrogen storage tank 4, pressure controller 5, nitrogen pressurized machine 6, oxygen pressurized machine 7, oxygen pipe network 8, nitrogen pipe network 9 and throttle valve 11,12,13,14,15,16 constitute, described liquifier 1 is a liquid oxygen liquid nitrogen cold exchanger, its structure adopts the plate fin heat-exchanging structure, be positioned in the insulation ice chest 2, the oxygen hot junction of liquifier 1 is connected with oxygen pipe network 8 by throttle valve 15, the oxygen cold junction of liquifier 1 is connected with liquid oxygen storage tank 3, the nitrogen hot junction of liquifier is connected with nitrogen pipe network 9 by throttle valve 16, and the nitrogen cold junction of liquifier 1 is connected with liquid nitrogen storage tank 4 by throttle valve 14.Using the oxygen low-valley interval, pressure controller 5 detects when gas pressure is increased to certain value in the oxygen pipe network 8, automatically output signal control nitrogen pressurized machine 6 makes liquid nitrogen storage tank 4 superchargings, liquid nitrogen in the liquid nitrogen storage tank 4 flows into liquifier 1 and heat absorption therein and is vaporizated into nitrogen and enters nitrogen pipe network 9, and the oxygen in the oxygen pipe network 8 enters liquifier 1 and the liquefaction of heat release therein flows into liquid oxygen storage tank 3 storages for liquid oxygen simultaneously; Otherwise, using oxygen peak period, pressure controller 5 detects oxygen pipe network 8 pressure when being reduced to certain value, automatically output signal control oxygen pressurized machine 7 makes liquid oxygen storage tank 3 superchargings, liquid oxygen flows into liquifier 1 and heat absorption therein is vaporizated into oxygen to oxygen pipe network 8 supply oxygen, and liquefaction stored for liquid nitrogen flows into liquid nitrogen storage tank 4 after the nitrogen in the nitrogen pipe network 9 entered liquifier 1 and absorbs cold therein simultaneously.So exchange the liquefaction storage or the vaporization that realize oxygen in the oxygen pipe network mutually and confess, thereby realization is to the real-time monitoring of oxygen pipe network oxygen-supplying amount by control liquid oxygen liquid nitrogen cold.
As shown in the figure, for further making liquid oxygen liquid nitrogen cold be able to abundant exchange, reduce the loss of refrigeration capacity in the exchange, between the oxygen cold junction of liquifier 1 and liquid oxygen storage tank 3, increase and to make the further subcooler 10 of cooling of liquid oxygen, subcooler 10 adopts the plate fin heat-exchanging structure, also be placed in the insulation ice chest 2, the oxygen cold junction of subcooler 10 is connected with liquid oxygen storage tank 3 by the throttle valve 11,12 of two interlockings in parallel, the nitrogen cold junction of subcooler is connected with liquid nitrogen storage tank 4 by throttle valve 13, and the nitrogen hot junction of subcooler is connected with liquifier 1.
For reducing loss of refrigeration capacity, the connecting tube between the cold junction of liquifier 1 and the liquid oxygen liquid nitrogen storage tank 3,4 adopts vacuum tube.
Pressure controller 5 can be selected programmable controller for use, when reality is implemented, also can detect the signal that the oxygen flow signal substituting pressure signal in the oxygen pipe network 8 is imported as pressure controller.
Claims (5)
1, but a kind of storage oxygen device of real-time monitoring oxygen-supplying amount, mainly comprise liquifier (1), insulation ice chest (2), liquid oxygen storage tank (3), liquid nitrogen storage tank (4), pressure controller (5), nitrogen pressurized machine (6), oxygen pressurized machine (7) oxygen pipe network (8), nitrogen pipe network (9), it is characterized in that: described liquifier (1) is a liquid oxygen liquid nitrogen cold exchanger, be placed in the insulation ice chest (2), the oxygen hot junction of liquifier (1) is connected with oxygen pipe network (8), the oxygen cold junction of liquifier (1) is connected with liquid oxygen storage tank (3), the nitrogen hot junction of liquifier (1) is connected with nitrogen pipe network (9), the nitrogen cold junction of liquifier (1) is connected with liquid nitrogen storage tank (4), when the pressure that detects oxygen pipe network (8) when pressure controller (5) increases to certain value, automatically output signal control nitrogen pressurized machine (6) makes liquid nitrogen storage tank (4) supercharging, liquid nitrogen flows into liquifier (1) and heat absorption therein and is vaporizated into nitrogen and enters nitrogen pipe network (9), and the oxygen in the oxygen pipe network (8) enters liquifier (1) and the liquefaction of heat release therein flows into liquid oxygen storage tank (3) storage for liquid oxygen simultaneously; When pressure controller (5) detects oxygen pipe network (8) when pressure is decreased to certain value, automatically output signal control oxygen pressurized machine (7) makes liquid oxygen storage tank (3) supercharging, liquid oxygen flows into liquifier (1) and heat absorption therein is vaporizated into oxygen to oxygen pipe network (8) benefit oxygen supply gas, liquefaction stored for liquid nitrogen flows into liquid nitrogen storage tank (4) after nitrogen in the nitrogen pipe network (9) entered liquifier (1) and absorbs cold therein simultaneously, exchange the liquefaction storage or the vaporization that realize oxygen in the oxygen pipe network (8) mutually by control liquid oxygen liquid nitrogen cold and confess, thereby realization is to the real-time monitoring of oxygen pipe network (8) oxygen-supplying amount.
But 2, the storage oxygen device of real-time monitoring oxygen-supplying amount as claimed in claim 1, it is characterized in that: between the oxygen cold junction of liquifier (1) and liquid oxygen storage tank (3), also be connected with and make the further subcooler (10) of cooling of liquid oxygen, subcooler (10) is placed in the insulation ice chest (2), the oxygen cold junction of subcooler (10) is connected with liquid oxygen storage tank (3) by throttle valve (11), (12) of two interlockings in parallel, the nitrogen cold junction of subcooler (10) is connected with liquid nitrogen storage tank (4) by throttle valve (13), and the nitrogen hot junction of subcooler (10) is connected with liquifier (1).
But 3, the storage oxygen device of real-time monitoring oxygen-supplying amount as claimed in claim 1 is characterized in that: the connecting tube between the cold junction of liquifier (1) and liquid oxygen liquid nitrogen storage tank (3), (4) adopts vacuum tube, can reduce loss of refrigeration capacity.
But 4, the storage oxygen device of real-time monitoring oxygen-supplying amount as claimed in claim 1 or 2 is characterized in that: described liquifier (1) and subcooler (10) adopt the plate fin heat-exchanging structure, to improve heat exchange efficiency.
But 5, the storage oxygen device of real-time monitoring oxygen-supplying amount as claimed in claim 1 is characterized in that: the signal that pressure controller (5) detects input can also be the oxygen flow signal of oxygen pipe network (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520035437 CN2849428Y (en) | 2005-09-09 | 2005-09-09 | Oxygen storage device capable of real-time controlling oxygen supply quantity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520035437 CN2849428Y (en) | 2005-09-09 | 2005-09-09 | Oxygen storage device capable of real-time controlling oxygen supply quantity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2849428Y true CN2849428Y (en) | 2006-12-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520035437 Expired - Fee Related CN2849428Y (en) | 2005-09-09 | 2005-09-09 | Oxygen storage device capable of real-time controlling oxygen supply quantity |
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| CN (1) | CN2849428Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102829606A (en) * | 2012-09-08 | 2012-12-19 | 浙江海天气体有限公司 | Air separation unit for preparing high-purity liquid nitrogen by utilizing liquid oxygen reladling |
| CN108413245A (en) * | 2018-05-24 | 2018-08-17 | 浙江智海化工设备工程有限公司 | Compressed gas recovery system and recovery method in a kind of cryogenic liquid transport tank car |
| CN112272768A (en) * | 2018-06-08 | 2021-01-26 | 欧姆龙株式会社 | Micro-hotplate and MEMS gas sensor |
| CN114576552A (en) * | 2022-01-25 | 2022-06-03 | 杭州制氧机集团股份有限公司 | Energy storage production equipment and energy storage production method for air separation device |
-
2005
- 2005-09-09 CN CN 200520035437 patent/CN2849428Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102829606A (en) * | 2012-09-08 | 2012-12-19 | 浙江海天气体有限公司 | Air separation unit for preparing high-purity liquid nitrogen by utilizing liquid oxygen reladling |
| CN102829606B (en) * | 2012-09-08 | 2015-02-18 | 浙江海天气体有限公司 | Air separation unit for preparing high-purity liquid nitrogen by utilizing liquid oxygen reladling |
| CN108413245A (en) * | 2018-05-24 | 2018-08-17 | 浙江智海化工设备工程有限公司 | Compressed gas recovery system and recovery method in a kind of cryogenic liquid transport tank car |
| CN112272768A (en) * | 2018-06-08 | 2021-01-26 | 欧姆龙株式会社 | Micro-hotplate and MEMS gas sensor |
| CN114576552A (en) * | 2022-01-25 | 2022-06-03 | 杭州制氧机集团股份有限公司 | Energy storage production equipment and energy storage production method for air separation device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20061220 Termination date: 20100909 |