CN203615679U - Single-tower oxygen generation device - Google Patents

Single-tower oxygen generation device Download PDF

Info

Publication number
CN203615679U
CN203615679U CN201320772706.0U CN201320772706U CN203615679U CN 203615679 U CN203615679 U CN 203615679U CN 201320772706 U CN201320772706 U CN 201320772706U CN 203615679 U CN203615679 U CN 203615679U
Authority
CN
China
Prior art keywords
heat exchanger
rectifying column
air duct
single tower
decompressor
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.)
Expired - Fee Related
Application number
CN201320772706.0U
Other languages
Chinese (zh)
Inventor
张立峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HANGZHOU JINHUA GAS EQUIPMENT Co Ltd
Original Assignee
HANGZHOU JINHUA GAS EQUIPMENT Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by HANGZHOU JINHUA GAS EQUIPMENT Co Ltd filed Critical HANGZHOU JINHUA GAS EQUIPMENT Co Ltd
Priority to CN201320772706.0U priority Critical patent/CN203615679U/en
Application granted granted Critical
Publication of CN203615679U publication Critical patent/CN203615679U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Landscapes

  • Separation By Low-Temperature Treatments (AREA)

Abstract

The utility model provides a single-tower oxygen generation device which comprises a cold box. A heat exchanger, an expansion machine and a rectifying tower are arranged on a base of the cold box. A main condensing evaporator is arranged in the bottom of the rectifying tower, the heat exchanger is connected with an air pipeline which is divided into a first air pipeline and a second air pipeline from the position behind the heat exchanger, the first air pipeline is connected with the expansion machine, and the expansion machine is connected with the 2/5-3/5 position of the rectifying tower height through a pipeline. The second air pipeline is connected with the main condensing evaporator, and the main condensing evaporator is connected with the top end of the rectifying tower through a pipeline. An oxygen product output pipe is arranged at the bottom of the rectifying tower, and a dirty nitrogen product output pipe is arranged at the top of the rectifying tower. A lower tower is removed on the basis of a double-tower rectifying technology, the single-stage rectifying tower is adopted to generate oxygen, the process configuration is simple, and the production cost is greatly reduced.

Description

A kind of single tower oxygenerator
Technical field
The utility model relates to air separation equipment manufacturing technology field, particularly a kind of single tower oxygenerator.
Background technology
Air-separating oxygen-making technology is in China's developing history of existing 50 or six ten years, and what conventional oxygen generating plant adopted now is all two-tower rectification technology, is mainly recovery rate, reduction operation energy consumption in order to improve oxygen.Oxygen output is higher, and effect is just more obvious.But for the oxygen generating plant of low discharge, effect is not just so obvious.
Due to the fast development of domestic industry economy, little to the demand of Miniature oxygenerator, but along with the development of external the 3rd developing country's industrial economy, to the demand of Miniature oxygenerator but in continuous expansion.
Utility model content
The utility model provides a kind of single tower oxygenerator, solves that existing low discharge oxygenerator oxygen extraction rate is low, the problem of the large operating procedure complexity of energy consumption.
The technical solution of the utility model is achieved in that a kind of single tower oxygenerator, comprises ice chest, is provided with heat exchanger, decompressor and rectifying column on the base of ice chest, is provided with main condenser evaporimeter in the bottom of rectifying column; Heat exchanger is connected with air duct, and air duct is divided into the first air duct and the second air duct after described heat exchanger, and the first air duct is connected with decompressor, and decompressor is connected with 2/5~3/5 place of rectifying column height by pipeline; The second air duct is connected with main condenser evaporimeter, and main condenser evaporimeter is connected by the top end of pipeline and described rectifying column; Rectifier bottoms is provided with oxygen product efferent duct, and rectifying column top is provided with dirty nitrogen product efferent duct.
Wherein, preferably, also comprise subcooler and liquid air choke valve, be successively set on the pipeline that connects main condenser evaporimeter and rectifying column.
Wherein, preferably, rectifier bottoms is also provided with liquid oxygen efferent duct.
Wherein, preferably, heat exchanger is plate type heat exchanger.
Wherein, preferably, oxygen product efferent duct is connected with the cold air input of plate type heat exchanger respectively with dirty nitrogen product efferent duct.
Wherein, preferably, the first air duct is connected with the hot gas output that is arranged on heat exchanger middle part.
Wherein, preferably, decompressor is gas bearing decompressor.
Wherein, preferably, the column plate of rectifying column is aluminum column plate.
The beneficial effects of the utility model:
1. the utility model gets on to fall down tower on the basis of two-tower rectification technology, takes single rectification column oxygen, and flow process configuration is simple, greatly reduces production cost.
2. greatly reduce the whole height of fractionating column, facilitate the container whole Transporting of external outlet device, save transportation and on-the-spot installation cost;
3. technological process is simplified, and equipment operating is simple;
4. equipment exquisiteness is small and exquisite, can make vehicular oxygen generating plant, is convenient to transportation.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 the utility model example structure schematic diagram.
In figure:
1, heat exchanger, 2, decompressor, 3, subcooler, 4, main condenser evaporimeter, 5, liquid air choke valve, 6, rectifying column, 7, ice chest, 8., the first air duct, 9, the second air duct, 10, liquid oxygen efferent duct.
The specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1, the present embodiment provides a kind of single tower oxygenerator, comprises ice chest 7, it is characterized in that: on the base of ice chest 7, be provided with heat exchanger 1, decompressor 2 and rectifying column 6, main condenser evaporimeter 4 is arranged in the bottom of rectifying column 6; Heat exchanger 1 is connected with air duct, air duct is divided into the first air duct 8 and the second air duct 9 after heat exchanger 1, the first air duct 8 is connected with the hot gas output that is arranged on heat exchanger 1 middle part, the first air duct 8 is connected with decompressor 2, and decompressor 2 is connected with 2/5~3/5 place of rectifying column 6 height by pipeline; The second air duct 9 is connected with main condenser evaporimeter 4, and main condenser evaporimeter 4, subcooler 3 and liquid air choke valve 5 are connected by pipeline with rectifying column 6, and pipeline is connected to the top end of rectifying column 6; Rectifying column 6 bottoms are provided with oxygen product efferent duct, and rectifying column 6 tops are provided with dirty nitrogen product efferent duct.
Wherein, rectifying column 6 inner bottom parts are also provided with liquid oxygen efferent duct 10, can also can extract a part of liquid oxygen product out from main condenser evaporimeter 4 bottoms, send into backup storage system.
Wherein, heat exchanger 1 is plate type heat exchanger, and it is multiple flow plate type heat exchanger that the present embodiment uses plate type heat exchanger.Oxygen product efferent duct and dirty nitrogen product efferent duct are inputted termination with the cold air of plate type heat exchanger respectively, oxygen product efferent duct and dirty nitrogen product efferent duct are through heat exchanger 1, its objective is on the one hand and will make oxygen product and dirty nitrogen rewarming, on the other hand, for heat exchanger 1 provides cold medium, the air of input is carried out to initial temperature.
In the present embodiment, decompressor 2 is gas bearing decompressor, and in the utility model, the model of decompressor 2 is not limited to this, also can be the decompressor of other type.
In the present embodiment, the column plate of rectifying column 6 is aluminum column plate.
The course of work is as follows:
Air, after purified treatment, enters in ice chest 7, first passes through heat exchanger 1 cooling.In sheet heat exchanger 1, air is divided into two strands, and one is extracted out and remove decompressor 2 from heat exchanger 1 middle part, sends into rectifying column 6 middle parts and participate in rectifying after swell refrigeration; Another strand is from extract out heat exchanger 1 bottom, enter main condenser evaporimeter 4, in main condenser evaporimeter 4, air is liquefied completely, then enter subcooler 3 further excessively cold, then by sending into rectifying column 6 tops after 5 throttlings of liquid air choke valve as the phegma in rectifying column 6.In rectifying column 6, by the continuous rectifying of rising steam and decline liquid air, finally obtaining purity in rectifying column 6 bottoms is more than 99.6% purity oxygen.Purity oxygen being extracted out from rectifying column 6 bottoms,, send as product oxygen to normal temperature through plate type heat exchanger 1 re-heat.Obtain dirty nitrogen from rectifying column 6 tops,, send after ice chest 7 to normal temperature through plate type heat exchanger 1 re-heat, a part is as his use, all the other emptying.Also can extract a part of liquid oxygen product out in main condenser evaporimeter 4 bottoms, send into backup storage system simultaneously.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.

Claims (8)

1. a single tower oxygenerator, comprises ice chest, it is characterized in that: on the base of described ice chest, be provided with heat exchanger, decompressor and rectifying column, be provided with main condenser evaporimeter in the bottom of described rectifying column; Described heat exchanger is connected with air duct, described air duct is divided into the first air duct and the second air duct after described heat exchanger, described the first air duct is connected with described decompressor, and described decompressor is connected with 2/5~3/5 place of described rectifying column height by pipeline; Described the second air duct is connected with described main condenser evaporimeter, and described main condenser evaporimeter is connected by the top end of pipeline and described rectifying column; Described rectifier bottoms is provided with oxygen product efferent duct, and described rectifying column top is provided with dirty nitrogen product efferent duct.
2. the single tower oxygenerator of one according to claim 1, is characterized in that: also comprise subcooler and liquid air choke valve, be successively set on the pipeline that connects described main condenser evaporimeter and described rectifying column.
3. the single tower oxygenerator of one according to claim 1, is characterized in that: described rectifier bottoms is also provided with liquid oxygen efferent duct.
4. the single tower oxygenerator of one according to claim 1, is characterized in that: described heat exchanger is plate type heat exchanger.
5. the single tower oxygenerator of one according to claim 4, is characterized in that: described oxygen product efferent duct is connected with the cold air input of described plate type heat exchanger respectively with dirty nitrogen product efferent duct.
6. the single tower oxygenerator of one according to claim 1, is characterized in that: described the first air duct is connected with the hot gas output that is arranged on described heat exchanger middle part.
7. the single tower oxygenerator of one according to claim 1, is characterized in that: described decompressor is gas bearing decompressor.
8. the single tower oxygenerator of one according to claim 1, is characterized in that: the column plate of described rectifying column is aluminum column plate.
CN201320772706.0U 2013-11-27 2013-11-27 Single-tower oxygen generation device Expired - Fee Related CN203615679U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320772706.0U CN203615679U (en) 2013-11-27 2013-11-27 Single-tower oxygen generation device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320772706.0U CN203615679U (en) 2013-11-27 2013-11-27 Single-tower oxygen generation device

Publications (1)

Publication Number Publication Date
CN203615679U true CN203615679U (en) 2014-05-28

Family

ID=50768316

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320772706.0U Expired - Fee Related CN203615679U (en) 2013-11-27 2013-11-27 Single-tower oxygen generation device

Country Status (1)

Country Link
CN (1) CN203615679U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106225423A (en) * 2016-08-19 2016-12-14 浙江智海化工设备工程有限公司 A kind of device and method reducing air separation unit energy consumption
CN107166872A (en) * 2017-04-27 2017-09-15 杭州颐氧健康科技有限公司 Health care gas deep cooling auto-pressurizing device for making and its method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106225423A (en) * 2016-08-19 2016-12-14 浙江智海化工设备工程有限公司 A kind of device and method reducing air separation unit energy consumption
CN106225423B (en) * 2016-08-19 2019-04-19 浙江智海化工设备工程有限公司 A kind of device and method reducing air separation unit energy consumption
CN107166872A (en) * 2017-04-27 2017-09-15 杭州颐氧健康科技有限公司 Health care gas deep cooling auto-pressurizing device for making and its method

Similar Documents

Publication Publication Date Title
CN104061757A (en) Liquid oxygen and liquid nitrogen preparation device and method
CN101886871B (en) Method and device for producing pressure oxygen by air separation
CN107345737B (en) Double-tower double-condensation reflux expansion nitrogen making machine and nitrogen making method thereof
CN104031793A (en) Energy-saving system for brewing white spirit by recycling steam and brewing method thereof
CN203572141U (en) Air separation system with regeneration air auxiliary rectification and depressurization functions
CN104110940A (en) Efficient air separation device utilizing liquefied natural gas cold energy
CN204006965U (en) A kind of liquid oxygen and liquid nitrogen device for making
CN106440659A (en) Low energy consumption inner compression air separation device
CN206176890U (en) Compression air separation device in low energy consumption
CN203615679U (en) Single-tower oxygen generation device
CN203224100U (en) Air separation apparatus for oxygen and nitrogen isobaric-separation and preparation
CN102141337A (en) Method for separating air
CN103759500A (en) Method and device for manufacturing high purity nitrogen in low energy consumption mode
CN203687518U (en) Low-purity oxygen preparing device with auxiliary rectifying tower
CN204923686U (en) Low -purity oxygen air separation's device
CN204718302U (en) A kind of oxygen enrichment system of efficiency utilization LNG cold energy
CN203534056U (en) Device for increasing nitrogen-to-oxygen ratio of air separation unit
CN201628446U (en) Recovery system for cold energy released in vaporization of cryogenic liquid
CN202648306U (en) Air separating device
CN202328999U (en) Air separating equipment with quick start
CN204648831U (en) Compression oxygenerator in a kind of single tower
CN105115244A (en) Low-purity oxygen air separating device and method
CN205536889U (en) Energy -saving low temperature air separation equipment of making nitrogen
CN201694836U (en) Oxygen generator
CN202109724U (en) Air pressurization backflow expansion inner compression air separation device

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140528

Termination date: 20181127