CN202469471U - Liquid oxygen system - Google Patents
Liquid oxygen system Download PDFInfo
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- CN202469471U CN202469471U CN2012201061511U CN201220106151U CN202469471U CN 202469471 U CN202469471 U CN 202469471U CN 2012201061511 U CN2012201061511 U CN 2012201061511U CN 201220106151 U CN201220106151 U CN 201220106151U CN 202469471 U CN202469471 U CN 202469471U
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- liquid oxygen
- input pipeline
- oxygen input
- pipeline
- storage tank
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Abstract
The utility model discloses a liquid oxygen system which comprises a fractionating tower, a liquid oxygen storage tank and a liquid oxygen input pipeline, wherein the fractionating tower is provided with a main condensation evaporator, the bottom of the liquid oxygen storage tank is provided with a first hole; the liquid oxygen input pipeline is respectively connected with the outlet of the main condensation evaporator and the first hole; and the liquid oxygen input pipeline is provided with a first regulating valve. According to the liquid oxygen system disclosed by the utility mode, liquid oxygen enters into the liquid oxygen storage tank from the bottom instead of the top, and the static pressure difference between liquid oxygen at the outlet of the main condensation evaporator and the liquid oxygen in the liquid oxygen storage tank is increased, so that the problem that original main cold liquid oxygen cannot be smoothly discharged to the liquid oxygen storage tank is solved, the occurrence of a phenomenon that the gas in the liquid oxygen input pipeline is blocked is avoided, and the main original cold liquid oxygen is guaranteed to be smoothly discharged into the liquid oxygen storage tank. Compared with the prior art in which a pipeline descends to a height close to the ground and then ascends to the top of the liquid oxygen storage tank, the liquid oxygen system disclosed by the utility model has the advantages that the inflexion points of the adopted liquid oxygen input pipeline are greatly reduced, so that the flow velocity of liquid oxygen in the pipeline is further increased, the conditions for heat exchange between the liquid oxygen in the pipeline and the external environment are greatly reduced, and thus the evaporation rate of the liquid oxygen in the pipeline is reduced.
Description
Technical field
The utility model relates to chemical technology field, more particularly, relates to a kind of liquid oxygen system.
Background technique
The oxygen that liquid oxygen is promptly liquid is caerulescent liquid, and Main physical character is: the air pressure lower density is 1.141g/cm usually
3, solidifying point is 50.5K, and boiling point is 90.188K, and overall expansion ratio was widely used in commercial production and military field up to 860: 1.The empty rectifying column that divides is the equipment that forms liquid oxygen, and wherein, the empty rectifying column that divides is divided into Shang Ta and Xia Ta, and said Shang Ta is connected through the main condenser vaporizer with following tower.The main condenser vaporizer is interior main heat exchange of rectifying column and the equipment that forms the product liquid oxygen, and it is cold to abbreviate the master as, is positioned at the empty middle part of dividing rectifying column.The empty liquid oxygen that divides rectifying column to continuously produce can make the interior liquid oxygen liquid level of main condenser vaporizer constantly raise, and needs this moment liquid oxygen is drained in the liquid oxygen tank.
At present; Liquid oxygen in the main condenser vaporizer adopts method discharging shown in Figure 1, and this liquid oxygen system comprises and emptyly divides rectifying column 101, main cold liquid oxygen 102, exhaust-control valve 103, V015307 valve 104, liquid oxygen storage tank 105, storage tank liquid oxygen 106, liquid oxygen pump 107, exhaust-valve 108 and fill car valve 109 etc.Acting as of liquid oxygen pump 107 is filled into liquefied oxygen tank vehicle with the 106 pressurization backs of the storage tank liquid oxygen in the liquid oxygen tank 105 through filling car valve 109.On the liquid oxygen tank 105 bottom position introduction pipes exhaust-valve 108 is set, liquid oxygen storage tank inner storage tank liquid oxygen 106 discharges through 108 pairs of skies of exhaust-valve, but in ordinary production, generally the exhaust-valve on this pipeline 108 is not operated.
In the liquid oxygen system working procedure, draw the position of the autonomous condenser/evaporator of liquid oxygen middle and lower part, after process V015307 valve 104 clearancens divide rectifying column 101; Horizontal line is after about 100 meters; Come downwards near ground level, go upward to liquid oxygen tank 105 tops again, get in the liquid oxygen tank 105.According to the relevant storage standard of liquid oxygen tank, in actual production, the height maximum of liquid oxygen is no more than 14370mm in the liquid oxygen tank.Because liquid oxygen system adopts liquid oxygen to get into the mode of liquid oxygen storage tank from the top in the existing technology; Cause the position that liquid oxygen is drawn in the main condenser vaporizer less with the height difference that gets into liquid oxygen tank; Only be about 1000mm; Thereby the differential static pressure that is produced is less relatively, and the speed that liquid oxygen is flowed in the liquid oxygen tank reduces.Secondly, different with general liquid is that liquid oxygen is-182.8 ℃ cryogenic liquide under standard state; Has very strong gasification property; And the distance of main condenser vaporizer to the liquid oxygen tank in the liquid oxygen system that existing technology provides is far, and pipeline is longer, comes downwards to earlier near rising to the liquid oxygen tank top after the ground level again; Have a plurality of flex points, thus increased when liquid oxygen flows in the pipeline resistance and with the condition of extraneous heat exchange.Therefore; There is following shortcoming in the liquid oxygen system that existing technology provides: in liquid oxygen tank discharging during liquid oxygen always with the phenomenon of the liquid oxygen partial gasification in the liquid oxygen line; Thereby cause pipeline generation gas stifled; Main cold liquid oxygen can't drain into liquid oxygen tank swimmingly, can only the liquid oxygen more than needed that the main condenser vaporizer constantly produces be passed through 103 pairs of empty dischargings of exhaust-control valve, has caused great waste.
The model utility content
In view of this, the technical problem that the utility model will solve is to provide a kind of liquid oxygen system, and this liquid oxygen system has been avoided the generation of the stifled phenomenon of gas in the liquid oxygen line, has guaranteed that main cold liquid oxygen is smooth and easy drains in the liquid oxygen tank.
In order to solve the problems of the technologies described above, the utility model provides a kind of liquid oxygen system, comprising:
Rectifying column with main condenser vaporizer;
The bottom is provided with the liquid oxygen storage tank in first hole;
Export the liquid oxygen input pipeline that links to each other with said first hole with said main condenser vaporizer first respectively, said liquid oxygen input pipeline is provided with first modulating valve.
Preferably; Said liquid oxygen input pipeline comprises the first liquid oxygen input pipeline, the second liquid oxygen input pipeline, the 3rd liquid oxygen input pipeline and the 4th liquid oxygen input pipeline that connects successively; The said first liquid oxygen input pipeline links to each other with said condenser/evaporator first outlet, and said the 4th liquid oxygen input pipeline links to each other with said first hole.
Preferably; The said first liquid oxygen input pipeline links to each other through first three-way pipe with the second liquid oxygen input pipeline; First interface of said first three-way pipe links to each other with the second liquid oxygen input pipeline with the said first liquid oxygen input pipeline respectively with second interface, and the 3rd interface of said first three-way pipe links to each other with second hole that is arranged at the liquid oxygen storage tank bottom through the 8th modulating valve, liquid oxygen pump and the 7th modulating valve.
Preferably; The second liquid oxygen input pipeline links to each other through second three-way pipe with the 3rd liquid oxygen input pipeline; First interface of said second three-way pipe links to each other with the 3rd liquid oxygen input pipeline with the said second liquid oxygen input pipeline respectively with second interface; The 3rd interface of said second three-way pipe with fill the car pipeline and link to each other, the said car pipeline that fills is provided with the 5th modulating valve.
Preferably; Said the 3rd liquid oxygen input pipeline links to each other through the 3rd three-way pipe with the 4th liquid oxygen input pipeline; First interface of said the 3rd three-way pipe links to each other with the 4th liquid oxygen input pipeline with said the 3rd liquid oxygen input pipeline respectively with second interface; The 3rd interface of said the 3rd three-way pipe links to each other with emptying pipe, and said emptying pipe is provided with the 6th modulating valve.
Preferably, said first modulating valve is arranged on the said first liquid oxygen input pipeline.
Preferably, be respectively arranged with second modulating valve, the 3rd modulating valve and the 4th modulating valve on the said second liquid oxygen input pipeline, the 3rd liquid oxygen input pipeline and the 4th liquid oxygen input pipeline.
Preferably, said main condenser vaporizer first outlet is 5.5～20m with the height difference in first hole.
Preferably, said main condenser vaporizer also comprises second outlet that is used for emptying.
Preferably, said liquid oxygen input pipeline is a multilayer heat insulation cryogenic liquide conveyance conduit.
The utility model provides a kind of liquid oxygen system, comprising: the rectifying column with main condenser vaporizer; The bottom is provided with the liquid oxygen storage tank in first hole; The liquid oxygen input pipeline that links to each other with said first hole with said main condenser evaporator outlet respectively, said liquid oxygen input pipeline is provided with first modulating valve.Compared with prior art; The utility model is got into liquid oxygen and becomes the bottom entering by the liquid oxygen tank top; Increased the differential static pressure of liquid oxygen in main condenser evaporator outlet and the liquid oxygen tank greatly; Solved the problem that the cold liquid oxygen of former master can't smooth and easyly drain into liquid oxygen tank, avoided the generation of the stifled phenomenon of gas in the liquid oxygen input pipeline, guaranteed that main cold liquid oxygen is smooth and easy drains in the liquid oxygen tank.Secondly; Come downwards to earlier near rising to the liquid oxygen tank top after the ground level again with pipeline in the existing technology and to compare; The flex point of the liquid oxygen input pipeline that the utility model adopts greatly reduces; Intraluminal fluid oxygen flow speed is increased, significantly reduced the condition of intraluminal fluid oxygen and external environment heat exchange again, thereby reduced the vaporization rate of intraluminal fluid oxygen.
Description of drawings
The structural representation of the liquid oxygen system that Fig. 1 provides for existing technology;
The structural representation of the liquid oxygen system that Fig. 2 provides for the utility model embodiment.
Embodiment
Carry out clear, intactly description in the face of the technological scheme among the utility model embodiment down, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiments.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment who is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 2, the utility model provides a kind of liquid oxygen system, comprising: the rectifying column 201 with main condenser vaporizer 216; The bottom is provided with the liquid oxygen storage tank 205 in first hole 217; The liquid oxygen input pipeline that links to each other with first hole 217 with main condenser vaporizer 216 outlet 219 respectively, the liquid oxygen input pipeline is provided with first modulating valve 204.
As preferably; Said liquid oxygen input pipeline comprises the first liquid oxygen input pipeline, the second liquid oxygen input pipeline, the 3rd liquid oxygen input pipeline and the 4th liquid oxygen input pipeline that connects successively; The said first liquid oxygen input pipeline links to each other with condenser/evaporator outlet 219, and said the 4th liquid oxygen input pipeline links to each other with first hole 217.The utility model is for the material of said liquid oxygen input pipeline and have no special requirements, and can adopt multilayer heat insulation cryogenic liquide conveyance conduit well known to those skilled in the art, for example Stainless Steel Vacuum pipe etc.Concrete, first modulating valve 204 is arranged on the said first liquid oxygen input pipeline; Be respectively arranged with second modulating valve 212, the 3rd modulating valve 213 and the 4th modulating valve 210 on the said second liquid oxygen input pipeline, the 3rd liquid oxygen input pipeline and the 4th liquid oxygen input pipeline, realize control each pipeline through above-mentioned each modulating valve.
In addition; The said first liquid oxygen input pipeline links to each other through first three-way pipe with the second liquid oxygen input pipeline; First interface of said first three-way pipe links to each other with the second liquid oxygen input pipeline with the said first liquid oxygen input pipeline respectively with second interface, and the 3rd interface of said first three-way pipe links to each other with second hole 218 that is arranged at liquid oxygen storage tank 205 bottoms with the 7th modulating valve 208 through the 8th modulating valve 209, liquid oxygen pump 207.The effect of liquid oxygen pump 207 is in the utility model; In second modulating valve, 212 closures; When first modulating valve 204, the 8th modulating valve 209 and the 7th modulating valve 208 are opened; With returning main condenser vaporizer 216 after the pressurization of the liquid oxygen in the liquid oxygen tank 205, specifically be with 206 pressurizations of the storage tank liquid oxygen in the liquid oxygen tank 205 after the 7th modulating valve 208, the 8th modulating valve 209 and first modulating valve 204 are filled in the rectifying column 201.
According to the utility model; The second liquid oxygen input pipeline links to each other through second three-way pipe with the 3rd liquid oxygen input pipeline; First interface of said second three-way pipe links to each other with the 3rd liquid oxygen input pipeline with the said second liquid oxygen input pipeline respectively with second interface; The 3rd interface of said second three-way pipe with fill the car pipeline and link to each other, the said car pipeline that fills is provided with the 5th modulating valve 215.Said the 3rd liquid oxygen input pipeline links to each other through the 3rd three-way pipe with the 4th liquid oxygen input pipeline; First interface of said the 3rd three-way pipe links to each other with the 4th liquid oxygen input pipeline with said the 3rd liquid oxygen input pipeline respectively with second interface; The 3rd interface of said the 3rd three-way pipe links to each other with emptying pipe, and said emptying pipe is provided with the 6th modulating valve 214.
Therefore; Close at the 6th modulating valve 214 and the 5th modulating valve 215; Under the state that first modulating valve 204, second modulating valve 212, the 3rd modulating valve 213 and the 4th modulating valve 210 are opened; The cold liquid oxygen 202 of master in the main condenser vaporizer is drawn the back and is got in the liquid oxygen input pipeline from main condenser vaporizer 216, get into liquid oxygen tank 205 bottoms through the first liquid oxygen input pipeline, the second liquid oxygen input pipeline, the 3rd liquid oxygen input pipeline and the 4th liquid oxygen input pipeline.On the other hand, under the state of 214 unlatchings of the 6th modulating valve, 210 unlatchings of the 4th modulating valve, the 3rd modulating valve 213 closures, 206 pairs of empty dischargings of liquid oxygen storage tank 205 inner storage tank liquid oxygen, but in ordinary production, generally liquid oxygen is not carried out sky is discharged.
In order to guarantee that the cold liquid oxygen 202 of master in the main condenser vaporizer 216 is in stable status; Main condenser vaporizer 216 also preferably includes second outlet; Be used at main condenser vaporizer unsteady state the liquid oxygen in the main condenser vaporizer being carried out the sky discharging, said second outlet is preferred to link to each other through the tenth modulating valve 203 and liquid oxygen injection vaporizer.In addition, also be provided with the 4th liquid oxygen input pipeline branch road on the 4th liquid oxygen input pipeline, said the 4th liquid oxygen input pipeline branch road is provided with the 9th modulating valve 211, is used for the pipeline of the whole liquid oxygen system of precooling before liquid oxygen tank discharging liquid oxygen.
Generally speaking; Main condenser vaporizer middle and lower part absolute altitude is about 20000mm; The height maximum of liquid oxygen must not surpass 14370mm in the liquid oxygen tank, and therefore, the height difference in main condenser vaporizer first outlet 219 and first hole 217 that the utility model adopts is preferably 5.5～20m; More preferably 8～18m, more preferably 15～18m.Because the utility model makes liquid oxygen get into from the liquid oxygen tank bottom; Increased the differential static pressure of main condenser vaporizer 216 outlets greatly with liquid oxygen tank 205 inner storage tank liquid oxygen 206; Solved the problem that the cold liquid oxygen of former master can't smooth and easyly drain into liquid oxygen tank; Avoided the generation of the stifled phenomenon of gas in the liquid oxygen input pipeline, guaranteed that main cold liquid oxygen is smooth and easy drains in the liquid oxygen tank 205.In addition; Come downwards to earlier near rising to the liquid oxygen tank top after the ground level again with pipeline in the existing technology and to compare; The flex point of the liquid oxygen input pipeline that the utility model adopts greatly reduces; Intraluminal fluid oxygen flow speed is increased, significantly reduced the condition of intraluminal fluid oxygen and external environment heat exchange, thereby reduced the vaporization rate of intraluminal fluid oxygen.
In sum; The liquid oxygen system that the utility model provides has solved the problem that the cold liquid oxygen of former master can't smooth and easyly drain into liquid oxygen tank well; Reason is following: 1, calculate according to the highest permission liquid level of liquid oxygen tank liquid storage 14370mm; Main cold in the liquid oxygen position of drawing increase to the about 5500mm of present minimum value with liquid oxygen height difference in the liquid oxygen tank by original 1000mm, increased the differential static pressure of main cold and the interior liquid oxygen of basin greatly, for liquid oxygen discharges the main cause smoothly that becomes.2, the pipeline length of the liquid oxygen system that provides of the utility model greatly reduces, and flex point greatly reduces, and intraluminal fluid oxygen flow speed is increased, and has significantly reduced the condition of intraluminal fluid oxygen and external environment heat exchange, thereby has reduced the vaporization rate of intraluminal fluid oxygen.
To the above-mentioned explanation of the disclosed embodiments, make related domain professional and technical personnel can realize or use the utility model.Multiple modification to these embodiments will be conspicuous concerning those skilled in the art, and defined General Principle can realize under the situation of spirit that does not break away from the utility model or scope in other embodiments among this paper.Therefore, the utility model will can not be restricted to these embodiments shown in this paper, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (10)
1. a liquid oxygen system is characterized in that, comprising:
Rectifying column with main condenser vaporizer;
The bottom is provided with the liquid oxygen storage tank in first hole;
Export the liquid oxygen input pipeline that links to each other with said first hole with said main condenser vaporizer first respectively, said liquid oxygen input pipeline is provided with first modulating valve.
2. liquid oxygen system according to claim 1; It is characterized in that; Said liquid oxygen input pipeline comprises the first liquid oxygen input pipeline, the second liquid oxygen input pipeline, the 3rd liquid oxygen input pipeline and the 4th liquid oxygen input pipeline that connects successively; The said first liquid oxygen input pipeline links to each other with said condenser/evaporator first outlet, and said the 4th liquid oxygen input pipeline links to each other with said first hole.
3. liquid oxygen system according to claim 2; It is characterized in that; The said first liquid oxygen input pipeline links to each other through first three-way pipe with the second liquid oxygen input pipeline; First interface of said first three-way pipe links to each other with the second liquid oxygen input pipeline with the said first liquid oxygen input pipeline respectively with second interface, and the 3rd interface of said first three-way pipe links to each other with second hole that is arranged at the liquid oxygen storage tank bottom through the 8th modulating valve, liquid oxygen pump and the 7th modulating valve.
4. liquid oxygen system according to claim 2; It is characterized in that; The second liquid oxygen input pipeline links to each other through second three-way pipe with the 3rd liquid oxygen input pipeline; First interface of said second three-way pipe links to each other with the 3rd liquid oxygen input pipeline with the said second liquid oxygen input pipeline respectively with second interface, the 3rd interface of said second three-way pipe with fill the car pipeline and link to each other, the said car pipeline that fills is provided with the 5th modulating valve.
5. liquid oxygen system according to claim 2; It is characterized in that; Said the 3rd liquid oxygen input pipeline links to each other through the 3rd three-way pipe with the 4th liquid oxygen input pipeline; First interface of said the 3rd three-way pipe links to each other with the 4th liquid oxygen input pipeline with said the 3rd liquid oxygen input pipeline respectively with second interface, and the 3rd interface of said the 3rd three-way pipe links to each other with emptying pipe, and said emptying pipe is provided with the 6th modulating valve.
6. liquid oxygen system according to claim 2 is characterized in that, said first modulating valve is arranged on the said first liquid oxygen input pipeline.
7. liquid oxygen system according to claim 6 is characterized in that, is respectively arranged with second modulating valve, the 3rd modulating valve and the 4th modulating valve on the said second liquid oxygen input pipeline, the 3rd liquid oxygen input pipeline and the 4th liquid oxygen input pipeline.
8. liquid oxygen system according to claim 1 is characterized in that, said main condenser vaporizer first outlet is 5.5～20m with the height difference in first hole.
9. liquid oxygen system according to claim 1 is characterized in that, said main condenser vaporizer also comprises second outlet that is used for emptying.
10. liquid oxygen system according to claim 1 is characterized in that, said liquid oxygen input pipeline is a multilayer heat insulation cryogenic liquide conveyance conduit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201061511U CN202469471U (en) | 2012-03-20 | 2012-03-20 | Liquid oxygen system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201061511U CN202469471U (en) | 2012-03-20 | 2012-03-20 | Liquid oxygen system |
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|---|---|
| CN202469471U true CN202469471U (en) | 2012-10-03 |
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| CN2012201061511U Expired - Fee Related CN202469471U (en) | 2012-03-20 | 2012-03-20 | Liquid oxygen system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102607239A (en) * | 2012-03-20 | 2012-07-25 | 中煤能源黑龙江煤化工有限公司 | Liquid oxygen system |
| CN103423589A (en) * | 2013-08-27 | 2013-12-04 | 唐山中润煤化工有限公司 | Liquid oxygen vaporizing system for technology of preparing methanol with coke oven gas and technology |
-
2012
- 2012-03-20 CN CN2012201061511U patent/CN202469471U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102607239A (en) * | 2012-03-20 | 2012-07-25 | 中煤能源黑龙江煤化工有限公司 | Liquid oxygen system |
| CN103423589A (en) * | 2013-08-27 | 2013-12-04 | 唐山中润煤化工有限公司 | Liquid oxygen vaporizing system for technology of preparing methanol with coke oven gas and technology |
| CN103423589B (en) * | 2013-08-27 | 2015-03-11 | 唐山中润煤化工有限公司 | Liquid oxygen vaporizing system for technology of preparing methanol with coke oven gas and technology |
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Legal Events
| Date | Code | Title | Description |
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| 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: 20121003 Termination date: 20140320 |