CN101424464B - Horizontal reversed flow condensation evaporator - Google Patents
Horizontal reversed flow condensation evaporator Download PDFInfo
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- CN101424464B CN101424464B CN2008101628065A CN200810162806A CN101424464B CN 101424464 B CN101424464 B CN 101424464B CN 2008101628065 A CN2008101628065 A CN 2008101628065A CN 200810162806 A CN200810162806 A CN 200810162806A CN 101424464 B CN101424464 B CN 101424464B
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Abstract
The invention relates to a horizontal reflux condenser evaporator. The reflux condenser evaporator consists of a plurality of condensation-evaporation units and a cylinder, wherein the plurality of condensation-evaporation units are arranged in one or two rows along a lengthwise direction of the cylinder and are arranged in the cylinder through an integral support. Each condensation-evaporation unit comprises a liquid oxygen evaporation passage and a nitrogen condensation passage which are arranged in a reflux and alternating manner. The liquid oxygen evaporation passages of the condensation-evaporation unit are perpendicular to the lengthwise direction of the cylinder. At least one large oxygen evaporation space is arranged in each liquid oxygen evaporation passage. The liquid oxygen evaporation passages and the nitrogen condensation passages are connected with corresponding connectors of an upper tower and a lower tower through pipes respectively.
Description
Technical field
What the present invention relates to is a kind of heat-exchange apparatus, especially a kind ofly is used for air separation plant and carries out the equipment that the different temperatures medium carries out heat exchange, belongs to heat transmission equipment.
Background technology
In the air separation plant, condenser/evaporator between the tower up and down, basically form by the condensation evaporation unit, the nitrogen condensation runner that in this condensation art of composition unit, has comprised liquid nitrogen vaporization runner and adjacent layout, and often adopt individual layer or structure of two layers form, when liquid oxygen and nitrogen flow through, carry out the transmission of heat mutually in runner separately, the heat that liquid oxygen absorbs nitrogen is evaporated, and becomes liquid nitrogen after making the nitrogen heat release.The condenser/evaporator of this version, along with the continuous maximization of air separation plant, its transportation problem has become the empty a great problem that divides large scale development, in super-huge air separation plant, even adopted the condenser/evaporator of double-decker form, the occasion that can not satisfy the demand also arranged.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, and a kind of good effect of heat exchange is provided, can reduce the horizontal reversed flow condensation evaporator of cost of transportation and transport difficulty.It is made up of a plurality of condensation evaporations unit and cylindrical shell, and described a plurality of condensation evaporations unit divides a row or two rows to arrange along the cylindrical shell length direction, and is installed in the cylindrical shell by whole bearing; Described condensation evaporation unit comprises liquid oxygen evaporation channel and nitrogen condensation channel, and two runners are with the reflux type layout that is staggered; Wherein the liquid oxygen of condensation evaporation unit evaporation runner is vertical with the cylindrical shell length direction, and is provided with the oxygen evaporation large space of at least one in liquid oxygen evaporation runner, and liquid oxygen evaporates runner and nitrogen condensation runner and is connected with tower the corresponding interface up and down with pipeline respectively.
Described condensation evaporation unit divides two rows to be arranged in parallel, liquid oxygen in condensation evaporation unit evaporation runner divides up and down two-layer layout and is interconnected, in the middle of the two rows condensation evaporation arranged side by side unit of described liquid oxygen evaporation runner or separately two arranged outside have the liquid oxygen bucket, and by this liquid oxygen bucket liquid oxygen are evaporated the liquid oxygen evaporation runner that runner is divided into levels.
The lower end of described condensation evaporation unit and cylindrical shell is fixed by whole bearing, and the upper end retractable connects, and is respectively arranged with the compensation elbow in the junction of nitrogen tube and liquid nitrogen pipe and cylindrical shell.
]Condenser/evaporator of the present invention is arranged separately, with pipeline it is connected with tower up and down, a plurality of condenser/evaporators unit divides a row or two rows to arrange along the cylindrical shell length direction, liquid oxygen flow direction in the condenser/evaporator unit is vertical with the cylindrical shell length direction, enter each condenser/evaporator unit from the nitrogen of following tower along nitrogen tube, in the unit, be condensed into liquid nitrogen, nitrogen tube and liquid nitrogen pipe gather outside condenser/evaporator, liquid oxygen evaporates in the condenser/evaporator unit, oxygen enters large space, this kind arranges that great advantage is exactly liquid oxygen and nitrogen countercurrent heat-transfer, improve heat transfer efficiency and compact conformation, exchange capability of heat is convenient to expansion, and overall dimensions is little, convenient transportation, even maximize empty the branch, need condenser/evaporator element number in parallel to increase, because of arranging along the cylindrical shell length direction condenser/evaporator unit, do not need only to rely on enlarged diameter to satisfy heat exchange, thereby more be applicable to large-scale or super-huge air separation plant.Because last tower separates fully with condenser/evaporator, just in case accidents such as condenser/evaporator generation microexplosion can not have influence on tower, has improved device '.
Another kind of scheme of the present invention is: the empty double-deck condenser/evaporator unit is arranged in the container, the empty double-deck condenser/evaporator unit promptly is to realize that in the unit liquid oxygen divides two-layer up and down evaporation respectively, the nitrogen condensation then is the structure of condensation in the individual layer, this structure is specially adapted to the evaporation occasion of low liquid level, import in the condenser/evaporator unit, upper strata earlier from last tower liquid oxygen, when upper strata liquid level height to setting value overflow again to bulk container, bilevel liquid oxygen liquid level is identical, and nitrogen then enters condensation in each condenser/evaporator unit along nitrogen tube.
The present invention compared with prior art has following technique effect: one can design according to the actual shipment situation, has solved the excessive difficult problem that is difficult to transport of super-huge empty discrete condenser/evaporator diameter.Its two liquid oxygen and nitrogen are realized countercurrent flow, improve heat transfer efficiency.It three can realize that liquid oxygen soaks operation entirely, fully guarantees security.
Description of drawings
Fig. 1 is the single arrangement architecture figure in condenser/evaporator of the present invention unit.
Fig. 2 is condenser/evaporator of the present invention unit two row's arrangement architecture figure.
Fig. 3 is a kind of example structure figure that the double-deck condenser/evaporator of void of the present invention unit two rows arrange.
Fig. 4 is the another kind of structure chart that the double-deck condenser/evaporator of void of the present invention unit two rows arrange.
The specific embodiment
The present invention will be described in detail below in conjunction with accompanying drawing: shown in Fig. 1,2, the present invention is made up of a plurality of condensation evaporations unit 1 and cylindrical shell 2, described a plurality of condensation evaporations unit 1 divides a row or two rows to arrange along cylindrical shell 2 length directions, and is installed in the cylindrical shell 2 by whole bearing 3; Described condensation evaporation unit 1 comprises liquid oxygen evaporation channel 4 and nitrogen condensation channel 5, and two runners are with the reflux type layout that is staggered; Wherein the liquid oxygen of condensation evaporation unit evaporation runner 4 is vertical with cylindrical shell 2 length directions, and in liquid oxygen evaporation runner, being provided with at least one oxygen evaporation large space 6, liquid oxygen evaporation runner 4 and nitrogen condensation runner 5 are connected with tower the corresponding interface up and down with pipeline respectively.
Condenser/evaporator of the present invention unit is single arrangement, can many be arranged in parallel, liquid oxygen evaporates in bulk container, enough separated spaces are arranged, and oxygen is relative also lower to the pipe flow speed of last tower, makes oxygen enter Shang Ta smoothly, nitrogen imports board-like unit by nitrogen tube, liquid nitrogen is derived by liquid nitrogen pipe, realizes countercurrent flow with liquid oxygen, improves heat transfer efficiency.The present invention mainly adopts the spread pattern of board-like unit, this kind arrangement architecture compactness, and the flow velocity of nitrogen and flow resistance and individual layer master cold-zone are not little, have increased the separated space of oxygen simultaneously.
Be that 1 minute two row in described condensation evaporation unit is arranged in parallel shown in the accompanying drawing 3,4, liquid oxygen evaporation runner in the condensation evaporation unit 14 minutes is two-layer layout and being interconnected up and down, centre, condensation evaporation unit or both sides at described liquid oxygen evaporation runner 4 are provided with liquid oxygen bucket 7, see shown in the accompanying drawing 3,4, and liquid oxygen is evaporated the liquid oxygen evaporation runner that runner 4 is divided into levels by this liquid oxygen bucket 7.
The condensation evaporation unit 1 minute two row arrange, can many be arranged in parallel, liquid oxygen evaporates in bulk container, enough separated spaces are arranged, and oxygen is relative also lower to the pipe flow speed of last tower, makes oxygen enter Shang Ta smoothly, nitrogen imports board-like unit by nitrogen tube, liquid nitrogen is derived by liquid nitrogen pipe, realizes countercurrent flow with liquid oxygen, improves heat transfer efficiency.
Shown in the accompanying drawing 3 empty double-deck condensation evaporation unit two row's arrangement architecture figure, and wherein said liquid oxygen bucket 7 is in both sides, they can many be arranged in parallel, liquid oxygen divides two-layer evaporation up and down, the liquid oxygen bucket 7 on upper strata is distributed in both sides, and nitrogen imports board-like unit by nitrogen tube, i.e. nitrogen condensation runner 5, liquid nitrogen is derived by liquid nitrogen pipe, realizes countercurrent flow with liquid oxygen.
Shown in the accompanying drawing 4 empty double-deck condenser/evaporator unit two row's arrangement architecture figure, and described liquid oxygen bucket is in the centre, they can many be arranged in parallel, liquid oxygen divides two-layer evaporation up and down, the liquid oxygen bucket 7 on upper strata is arranged in the middle of the two row unit, and nitrogen imports board-like unit by nitrogen tube, i.e. nitrogen condensation runner 5, liquid nitrogen is derived by liquid nitrogen pipe, realizes countercurrent flow with liquid oxygen.
Liquid oxygen of the present invention is fully mobile in whole condenser/evaporator, there is not the dead band, in bulk container of the present invention, because the liquid oxygen flow direction is vertical with cylindrical shell 2 length directions, hoop flows better, liquid oxygen and nitrogen are realized countercurrent flow, improve heat transfer efficiency, and the flowability of liquid oxygen promotes liquid oxygen flowing in this direction by the reasonable Arrangement of liquid oxygen being imported and exported pipe on cylindrical shell 2 length directions.
Condensation evaporation of the present invention unit divides a row or two rows to arrange, under the more situation of platform number, if the outlet of the liquid nitrogen stream of condensation is not smooth, make that the liquid nitrogen liquid level of each inside, condensation evaporation unit is inconsistent, cause between the condensation evaporation unit heat exchange inhomogeneous, form bias current, we have improved the form of board-like unit supports this point, rigidity and planarization groove aluminium is preferably adopted in whole support, and support and require just can install after the smoothing, require simultaneously to avoid liquid nitrogen hydrops in the condenser/evaporator unit jointly by rational duct arrangement.
Liquid oxygen of the present invention evaporates in bulk container, and enough separated spaces are arranged, and oxygen is relative also lower to the pipe flow speed of last tower, makes oxygen enter Shang Ta smoothly.Accidents such as condenser/evaporator generation microexplosion go up simultaneously tower and separate fully, just in case can not have influence on tower with condenser/evaporator.
Consider that the inconsistent meeting of condensation evaporation unit and cylindrical shell shrinkage produces stress, condensation evaporation unit and cylindrical shell one section is fixing, and other end retractable connects, and is respectively arranged with compensation elbow 8 in the junction of nitrogen tube and liquid nitrogen pipe and cylindrical shell.
Claims (3)
1. horizontal reversed flow condensation evaporator, it is made up of a plurality of condensation evaporations unit and cylindrical shell, it is characterized in that described a plurality of condensation evaporations unit divides a row or two rows to arrange along the cylindrical shell length direction, and is installed in the cylindrical shell by whole bearing; Described condensation evaporation unit comprises liquid oxygen evaporation runner and nitrogen condensation runner, and two runners are with the reflux type layout that is staggered; Wherein the liquid oxygen of condensation evaporation unit evaporation runner is vertical with the cylindrical shell length direction, and is provided with at least one oxygen evaporation large space in liquid oxygen evaporation runner, and liquid oxygen evaporates runner and nitrogen condensation runner and is connected with tower the corresponding interface up and down with pipeline respectively.
2. horizontal reversed flow condensation evaporator according to claim 1, it is characterized in that described condensation evaporation unit divides two rows to be arranged in parallel, liquid oxygen in condensation evaporation unit evaporation runner divides up and down two-layer layout and is interconnected, in the middle of the two rows condensation evaporation arranged side by side unit of described liquid oxygen evaporation runner or separately two arranged outside have the liquid oxygen bucket, and by this liquid oxygen bucket liquid oxygen are evaporated the liquid oxygen evaporation runner that runner is divided into levels.
3. horizontal reversed flow condensation evaporator according to claim 2, the lower end that it is characterized in that described condensation evaporation unit and cylindrical shell is fixed by whole bearing, and the upper end retractable connects, and is respectively arranged with the compensation elbow in the junction of nitrogen tube and liquid nitrogen pipe and cylindrical shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101628065A CN101424464B (en) | 2008-12-11 | 2008-12-11 | Horizontal reversed flow condensation evaporator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101628065A CN101424464B (en) | 2008-12-11 | 2008-12-11 | Horizontal reversed flow condensation evaporator |
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| CN101424464A CN101424464A (en) | 2009-05-06 |
| CN101424464B true CN101424464B (en) | 2010-12-08 |
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| CN2008101628065A Active CN101424464B (en) | 2008-12-11 | 2008-12-11 | Horizontal reversed flow condensation evaporator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| RU2669991C1 (en) * | 2013-12-05 | 2018-10-17 | Линде Акциенгезелльшафт | Heat exchanger with collecting channel for discharging liquid phase |
| CN110346665B (en) * | 2019-07-15 | 2021-08-06 | 上海交通大学 | Wide-temperature-range low-temperature environment testing device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201322508Y (en) * | 2008-12-11 | 2009-10-07 | 杭州杭氧股份有限公司 | Horizontal counterflow condensation evaporator |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201322508Y (en) * | 2008-12-11 | 2009-10-07 | 杭州杭氧股份有限公司 | Horizontal counterflow condensation evaporator |
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Address after: No.799, Xiangfu Road, Qingshanhu street, Lin'an District, Hangzhou City, Zhejiang Province Patentee after: Hangzhou oxygen generator group Co.,Ltd. Address before: 310004 No. 388 Dong Xin Road, Xiacheng District, Zhejiang, Hangzhou Patentee before: HANGZHOU HANGYANG Co.,Ltd. |
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| CP03 | Change of name, title or address | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 799 Xiangfu Road, Qingshanhu street, Lin'an District, Hangzhou City, Zhejiang Province Patentee after: Hang Yang Group Co.,Ltd. Address before: 799 Xiangfu Road, Qingshanhu street, Lin'an District, Hangzhou City, Zhejiang Province Patentee before: Hangzhou oxygen generator group Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |