CN106241744A - A kind of low energy consumption multitower VPSA oxygen technique - Google Patents
A kind of low energy consumption multitower VPSA oxygen technique Download PDFInfo
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- CN106241744A CN106241744A CN201610592855.7A CN201610592855A CN106241744A CN 106241744 A CN106241744 A CN 106241744A CN 201610592855 A CN201610592855 A CN 201610592855A CN 106241744 A CN106241744 A CN 106241744A
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- absorption
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
- C01B13/02—Preparation of oxygen
- C01B13/0229—Purification or separation processes
- C01B13/0248—Physical processing only
- C01B13/0259—Physical processing only by adsorption on solids
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2210/00—Purification or separation of specific gases
- C01B2210/0001—Separation or purification processing
- C01B2210/0009—Physical processing
- C01B2210/0014—Physical processing by adsorption in solids
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Separation Of Gases By Adsorption (AREA)
- Oxygen, Ozone, And Oxides In General (AREA)
Abstract
The invention discloses a kind of low energy consumption multitower VPSA oxygen technique, the absorption tower system that at least two groups are in parallel is set, often group absorption tower system is made up of the adsorption tower of two parallel connections, described oxygen technique processed is in often organizing absorption tower system, when controlling the absorption of arbitrary adsorption tower, another adsorption tower is made to complete the circulation absorption process resolved.The present invention can realize often organizing the adsorption tower absorption of two parallel connections in absorption tower system, resolving mutual, i.e. often in group absorption tower system, one adsorption tower can adsorb, another adsorption tower can realize resolving simultaneously, is conducive to absorption and resolves the carrying out of stable and continuous, is that product air-flow reaches stable.
Description
Technical field
The present invention is a kind of low energy consumption multitower VPSA oxygen technique, is specifically related to use four tower VPSA oxygen generation systems to realize
The oxygen technological process processed of energy consumption can be reduced, belong to industrial oxygenerating technical field.
Background technology
VPSA oxygenerating technology is the oxygen generation system of pressurized adsorbent vacuum analysis, under conditions of penetrating atmospheric pressure, utilizes system
Nitrogen in the dedicated molecular sieve used selective absorption air of oxygen and utilize the moisture in aluminum oxide molecular sieve absorption air etc. miscellaneous
Matter, main enters adsorption tower by aerator air-supply, and the oxygen after absorption becomes low-pressure state transmitting system, and molecular sieve in tower
Adsorbent recycling vacuum pump carries out vacuum analysis Posterior circle utilization.In existing technique produces, it is commonly present situations below:
1) two tower VPSA oxygen generation systems are used, oxygen-enriched to obtain continuous print.When a tower is in adsorbed state, another tower solves
Analysis, two towers alternate effect, but, owing to being pressurized adsorbent negative pressure resolving, the pressure reduction in tower changes greatly, from tower top
The product gas flow velocity sent fluctuates along with pressure transient.
2) in addition to the VPSA oxygen generation system of two towers, the engineering project that product flow is big also can use four tower VPSA oxygen systems
System, but usually two tower oxygen generation system parallel running, such as, existing patent documentation CN102049170A(VPSA air divides
From making oxygen-enriched flow process, 2011.05.11) disclose a kind of main by two groups or more absorption tower system, and vacuum pump,
Valve and the VPSA oxygen generation system of pipeline composition, the most often group absorption tower system is passed through pipeline and valve by upper and lower two adsorption towers
Being formed by connecting, its oxygen-enriched flow process of VPSA system comprises the following steps successively: (1) adsorbs；(2) the parallel drop pressure of the upper and lower tower of tower system；
(3) tower system upper and lower tower paralleling abstracting vacuum；(4) the parallel boost pressure of the upper and lower tower of tower system；(5) boosting.In like products demand
In the case of, four tower VPSA oxygen generation systems more save energy consumption than two Tower Systems used in parallel, but due to the absorption in same group
Tower still shares an aerator or vacuum pump, therefore, does not solve the product gas flow velocity sent from tower top with pressure not
Situation about stablizing and fluctuate.
3) for the power-equipment of existing VPSA oxygen generation system, rely primarily on aerator and carry out air pressurized air-supply,
And vacuum pump carries out adsorbent and resolves emptying, prior art both power-equipments often divide and are independently arranged, respectively by respectively
From its operating of driven by motor, have that system energy consumption is high, occupation area of equipment big, run the defects such as noise is big.
Summary of the invention
It is an object of the invention to provide a kind of low energy consumption multitower VPSA oxygen technique, can realize often organizing and adsorb in tower system two
In parallel adsorption tower absorption, resolving mutual, i.e. often in group absorption tower system, an adsorption tower can adsorb, and another is inhaled
Attached tower can realize resolving simultaneously, is conducive to absorption and resolves the carrying out of stable and continuous, is that product air-flow reaches stable.
The present invention is achieved through the following technical solutions: a kind of low energy consumption multitower VPSA oxygen technique, arranges at least two groups also
The absorption tower system of connection, often group absorption tower system is made up of the adsorption tower of two parallel connections, and described oxygen technique processed is in often organizing absorption tower system,
When controlling the absorption of arbitrary adsorption tower, another adsorption tower is made to complete the circulation absorption process resolved.
The buffered tank of gas that described adsorption tower obtains after completing absorption is sent.
Between described absorption tower system, the adsorption tower completing to resolve is interconnected.
Arranging at least two group power-equipments, often group power-equipment includes aerator, motor and vacuum pump, and described adsorption tower is inhaled
Time attached, the aerator often organized in power-equipment the air-supply absorption of the described adsorption tower that interlocked；When described adsorption tower resolves, by
Often the vacuum pump in group power-equipment has interlocked the parsing of described adsorption tower.
In described often group absorption tower system, the rotating shaft of aerator, vacuum pump rotating shaft are coaxial with machine shaft.
The present invention compared with prior art, has the following advantages and beneficial effect:
(1) present invention process can realize organizing the absorption of each adsorption tower and the interworking of resolving in absorption tower system, with two groups more
As a example by absorption tower system, any two towers can be realized and can carry out adsorbing and other two towers realize resolving simultaneously simultaneously, real
Now adsorbing and resolve the carrying out of stable and continuous, product air-flow reaches stable.
(2) present invention process is provided with at least two group aerators, motor and a set of power-equipment of vacuum pump composition, can lead to
Cross pipeline to connect and the control of valve, it is achieved any one raw air all carries out pressurized feed to any one adsorption tower, with
And any one vacuum pump all can carry out vacuum analysis to the adsorbent in any one adsorption tower, it is more conducive to realize product air-flow
The state of continuous-stable.
(3) aerator that the present invention relates to and vacuum pump use coaxial with motor, have reduction energy consumption, saving equipment layout
Space, reduces cost, reduces the production effect of noise decibel.
Accompanying drawing explanation
Fig. 1 is the structural representation () of the present invention.
Fig. 2 is the structural representation (two) of the present invention.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited to this.
Embodiment 1:
The present embodiment proposes a kind of low energy consumption multitower VPSA oxygen technique, including the absorption tower system that at least two groups are in parallel, often group
Absorption tower system is made up of the adsorption tower of two parallel connections, and this oxygen technique processed is in often organizing absorption tower system, controls the absorption of arbitrary adsorption tower
Time, make another adsorption tower complete the circulation absorption process resolved.The buffered tank of gas that adsorption tower obtains after completing absorption is sent.
The present embodiment uses two groups of absorption tower system, i.e. 1# absorption tower system and 2# adsorb tower system, and 1# absorption tower system includes parallel connection
The adsorption tower A arranged and adsorption tower B, 2# absorption tower system include adsorption tower C, the adsorption tower D being arranged in parallel；1# absorption tower system and 2#
Being provided with aerator and vacuum pump in absorption tower system, by aerator, adsorption tower pressure air blowing is completed absorption, vacuum pump is complete
Become the parsing of adsorption tower；In 1# absorption tower system, aerator is sequentially provided with valve on the connection pipeline of adsorption tower A and adsorption tower B
KV4a and valve KV4b, vacuum pump is sequentially provided with valve KV1a and valve on the connection pipeline of adsorption tower A and adsorption tower B
KV1b；In 2# absorption tower system, aerator is sequentially provided with valve KV4c and valve on the connection pipeline of adsorption tower C and adsorption tower D
KV4d, vacuum pump is sequentially provided with valve KV1c and valve KV1d on the connection pipeline of adsorption tower C and adsorption tower D；I.e. such as Fig. 1 institute
Show structure.
In the present embodiment can realize adsorbing tower system, arbitrary adsorption tower adsorbs the reciprocal action resolved, as it is shown in figure 1, when opening
Valve KV4a, valve KV4c, valve KV2a, valve KV2c, closure valve KV4b, valve KV4d, valve KV2b, valve KV2d
Time, aerator is to adsorption tower A and adsorption tower C feeding air, and adsorption tower A and adsorption tower C carries out adsorption process；Meanwhile, inhale
Attached tower B and adsorption tower D carries out resolving, i.e. Open valve KV1b, valve KV1d, closure valve KV1a and valve KV1c.With
Reason, it is possible to by the above-mentioned adsorption tower of the control realization of valve adsorb and resolve mutual.
Embodiment 2:
The present embodiment proposes a kind of low energy consumption multitower VPSA oxygen technique, and the present embodiment can realize adsorbing between arbitrary adsorption tower
Resolve is mutual, and its structure is additionally arranged following structure on the basis of embodiment 1: arranging at least two group power-equipments, often group is dynamic
Power equipment includes aerator, motor and vacuum pump, in every two groups of absorption tower system, connect aerator and two adsorption towers pipeline it
Between, connect and be equipped with connecting pipe between vacuum pump and the pipeline of two adsorption towers, connecting pipe is provided with valve, can realize working as
Adsorption tower absorption time, by the aerator often organized in power-equipment interlock this adsorption tower air-supply adsorb；When adsorption tower resolves,
By the vacuum pump often organized in power-equipment interlocked this adsorption tower resolve.In often organizing absorption tower system, it is communicated with two absorption
The connection arm of the tower port of export, is provided with valve, between every two groups of absorption tower system between connection arm and two adsorption column outlet ends
Connection arm is then connected by valve or blocks, and can realize adsorbing between tower system, and the adsorption tower completing to resolve is interconnected.
As in figure 2 it is shown, the present embodiment is additionally arranged connection arm on the basis of embodiment 1, in 1# absorption tower system, connection
It is provided with between arm and adsorption tower A between valve KV3a, and adsorption tower B and is provided with valve KV3b；In 2# absorption tower system, connected component
It is provided with between valve KV3c, and adsorption tower D between pipe and adsorption tower C and is provided with valve KV3d, the communicating pipe between two groups of adsorption towers
Road is connected by invention V6 or is blocked.In 1# absorption tower system and 2# absorption tower system, connect aerator and the pipe of two adsorption towers
Road (i.e. 1# aerator connects adsorption tower A and the pipeline of adsorption tower B, 2# aerator connects adsorption tower C and the pipeline of adsorption tower D) it
Between be communicated with pipeline, connecting pipe sets invention V5；Connect and between vacuum pump and the pipeline of two adsorption towers, be communicated with pipe
Road, for convenience of the use of the present embodiment intermediate pump, connecting pipe is provided with valve V1, V2, V3, V4 as shown in Figure 2.
In the present embodiment, resolve when adsorption tower A and adsorption tower C carries out adsorption process, adsorption tower B and adsorption tower D
During process, also should be closed at valve V3, V4, V5 and V6.
For the power-equipment of 1# absorption tower system and 2# absorption tower system, the present embodiment uses often to be organized in absorption tower system,
The mode that the rotating shaft of aerator, vacuum pump rotating shaft are coaxial with machine shaft, by 1# aerator and 1# vacuum pump the most public
The mode of the most public motor of platform motor, 2# aerator and 2# vacuum pump, reduce energy consumption, and with this reach reduce noise divide
Shellfish, saves the purpose of the device space.
The above, be only presently preferred embodiments of the present invention, and the present invention not does any pro forma restriction, every depends on
Any simple modification of being made above example according to the technical spirit of the present invention, equivalent variations, each fall within the protection of the present invention
Within the scope of.
Claims (5)
1. a low energy consumption multitower VPSA oxygen technique, it is characterised in that: the absorption tower system that at least two groups are in parallel is set, often organizes suction
Attached tower system is made up of the adsorption tower of two parallel connections, and described oxygen technique processed is in often organizing absorption tower system, controls the absorption of arbitrary adsorption tower
Time, make another adsorption tower complete the circulation absorption process resolved.
A kind of low energy consumption multitower VPSA oxygen technique the most according to claim 1, it is characterised in that: described adsorption tower completes
The buffered tank of gas obtained after absorption is sent.
A kind of low energy consumption multitower VPSA oxygen technique the most according to claim 1, it is characterised in that: described absorption tower system
Between, the adsorption tower completing to resolve is interconnected.
A kind of low energy consumption multitower VPSA oxygen technique the most according to claim 1, it is characterised in that: at least two groups are set and move
Power equipment, often group power-equipment includes aerator, motor and vacuum pump, during the absorption of described adsorption tower, by often organizing in power-equipment
Aerator interlocked this adsorption tower air-supply absorption；When described adsorption tower resolves, hand over the vacuum pump often organized in power-equipment
Mistake completes this adsorption tower and resolves.
A kind of low energy consumption multitower VPSA oxygen technique the most according to claim 4, it is characterised in that: described often organize adsorption tower
In group, the rotating shaft of aerator, vacuum pump rotating shaft are coaxial with machine shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610592855.7A CN106241744B (en) | 2016-07-26 | 2016-07-26 | A kind of low energy consumption multitower VPSA oxygen techniques |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610592855.7A CN106241744B (en) | 2016-07-26 | 2016-07-26 | A kind of low energy consumption multitower VPSA oxygen techniques |
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| CN106241744A true CN106241744A (en) | 2016-12-21 |
| CN106241744B CN106241744B (en) | 2018-10-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114471082A (en) * | 2021-12-27 | 2022-05-13 | 昆山欧拓气体设备有限公司 | Energy-saving VPSA oxygen generation method and equipment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102049170A (en) * | 2009-11-09 | 2011-05-11 | 成都华西工业气体有限公司 | Process for producing rich oxygen by VPSA (vacuum pressure swing adsorption) air separation |
| CN203212325U (en) * | 2013-04-12 | 2013-09-25 | 杭州辰睿空分设备制造有限公司 | Molecular sieve desorption and regeneration structure for VPSA (vacuum pressure swing adsorption) oxygen generating device |
| CN204656291U (en) * | 2015-04-08 | 2015-09-23 | 南京净环热冶金工程有限公司 | A kind of novel energy-conserving VPSA oxygen generating plant |
-
2016
- 2016-07-26 CN CN201610592855.7A patent/CN106241744B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102049170A (en) * | 2009-11-09 | 2011-05-11 | 成都华西工业气体有限公司 | Process for producing rich oxygen by VPSA (vacuum pressure swing adsorption) air separation |
| CN203212325U (en) * | 2013-04-12 | 2013-09-25 | 杭州辰睿空分设备制造有限公司 | Molecular sieve desorption and regeneration structure for VPSA (vacuum pressure swing adsorption) oxygen generating device |
| CN204656291U (en) * | 2015-04-08 | 2015-09-23 | 南京净环热冶金工程有限公司 | A kind of novel energy-conserving VPSA oxygen generating plant |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114471082A (en) * | 2021-12-27 | 2022-05-13 | 昆山欧拓气体设备有限公司 | Energy-saving VPSA oxygen generation method and equipment |
| CN114471082B (en) * | 2021-12-27 | 2023-11-24 | 昆山欧拓气体设备有限公司 | Energy-saving VPSA oxygen production method and equipment |
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| Publication number | Publication date |
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| CN106241744B (en) | 2018-10-19 |
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