CN105621376B - Pressure varying adsorption nitrogen making system - Google Patents
Pressure varying adsorption nitrogen making system Download PDFInfo
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- CN105621376B CN105621376B CN201610198350.2A CN201610198350A CN105621376B CN 105621376 B CN105621376 B CN 105621376B CN 201610198350 A CN201610198350 A CN 201610198350A CN 105621376 B CN105621376 B CN 105621376B
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- China
- Prior art keywords
- bushing
- surge tank
- refrigerating chamber
- air inlet
- nitrogen making
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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
- C01B21/00—Nitrogen; Compounds thereof
- C01B21/04—Purification or separation of nitrogen
- C01B21/0405—Purification or separation processes
- C01B21/0433—Physical processing only
- C01B21/045—Physical processing only by adsorption in solids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
- B01D53/047—Pressure swing adsorption
- B01D53/053—Pressure swing adsorption with storage or buffer vessel
Abstract
The invention discloses pressure varying adsorption nitrogen making systems, including compressor, cooling driers, surge tank and the pressure-variable adsorption tank group being sequentially connected by airflow pipeline, bushing is also fixedly connected in the outside wall surface of the surge tank, closed refrigerating chamber is formed between the bushing and surge tank, it is further fixed on the air inlet pipe and an air outlet pipe communicated with refrigerating chamber on bushing, is additionally provided with blower on the air inlet pipe and/or escape pipe.The present invention improves simply in the prior art, easy to implement, can utilize the power output of cooling driers motor, further in the case where not consuming existing nitrogen gas generating system electricity consumption additionally conducive to the environment of beautification nitrogen station processed production scene.
Description
Technical field
The present invention relates to THE PRESSURE SWING ADSORPTION NITROGEN GENERATING DEVICE fields, more particularly to a kind of pressure varying adsorption nitrogen making system.
Background technique
Nitrogen is widely used in the industries such as petroleum, chemical industry, food, electronics, metallurgy, medical treatment, harmful influence transport.Such as it is used for metal
Sintering, the cleaning and gas displacement of the protective gas of laser boring, petroleum and chemical pipeline and equipment, the controlled atmosphere in food industry
Insurance and nitrogen-filled packaging, the nitrogen protection of electronics industry production semiconductor devices, the injection nitrogen charging of medical industry and other needs
Storage tank top nitrogen filled protection etc. in the department of nitrogen, harmful influence transport, pneumatics THE PRESSURE SWING ADSORPTION NITROGEN GENERATING DEVICE can be high in the prior art
The offer purity of effect is greater than 99% nitrogen, is widely adopted in the above all trades and professions.
In existing THE PRESSURE SWING ADSORPTION NITROGEN GENERATING DEVICE, based on factors such as the active carbons protected in pressure-swing absorber, need compressing
Air removes the moisture in compressed air before entering pressure-variable adsorption tank, the existing equipment being widely used is cooling driers, is pressing
Stream of compressed air is cooled down after cooling driers, and the steam precipitation in compressed air is discharged by drain valve, is reached to compressed air
The purpose to dehumidify.Just because of cooling driers cool down to compressed air, in the operational process of THE PRESSURE SWING ADSORPTION NITROGEN GENERATING DEVICE
In, often there are a large amount of condensed waters to be precipitated on the surface of the subsequent equipment of cooling driers or pipeline, it is particularly evident in summer.The above analysis
Condensed water out not only influences the environment at making nitrogen by pressure swing adsorption station, while being also that existing THE PRESSURE SWING ADSORPTION NITROGEN GENERATING DEVICE economy is not so good as
Where one reason of deep-cooling nitrogen-making.
Summary of the invention
The environment at making nitrogen by pressure swing adsorption station is not only influenced for the above-mentioned condensed water being precipitated above in the prior art, while
It is the problem of existing THE PRESSURE SWING ADSORPTION NITROGEN GENERATING DEVICE economy is not as good as where a reason of deep-cooling nitrogen-making, the present invention provides one kind
Pressure varying adsorption nitrogen making system.
To solve the above problems, pressure varying adsorption nitrogen making system provided by the invention solves to ask by following technical essential
Topic: pressure varying adsorption nitrogen making system, including compressor, cooling driers, surge tank and the pressure-variable adsorption being sequentially connected by airflow pipeline
Tank group is also fixedly connected with bushing in the outside wall surface of the surge tank, forms closed refrigeration between the bushing and surge tank
Chamber is further fixed on the air inlet pipe and an air outlet pipe communicated with refrigerating chamber on bushing, is additionally provided on the air inlet pipe and/or escape pipe
Blower.
Specifically, setting compressor be compressed air source, the compressor it is preferable to use can continuous exhaust pneumatic wallop spiral shell
Rod-type compressor, the cooling driers of setting are for freezing to compressed air, in order to which the moisture in compressed air can be in liquid
State is precipitated, and the surge tank of setting enters temporary, the pressure-variable adsorption tank group of setting before pressure-variable adsorption tank group for compressed air
For nitrogen separation to be come out by active carbon principle of pressure swing adsorption.
In the present invention, the bushing of setting is used for the refrigerating chamber sealed between surge tank at it, while passing through setting
Air inlet pipe and an air outlet pipe on bushing, and the blower by being arranged on air inlet pipe and/or escape pipe, make it possible to freezing
Continuous cross-ventilation is formed in chamber, the above cross-ventilation in the flow process of refrigerating chamber, air can with surge tank wall surface into
Row heat exchange, compressed air is cold fluid during this, and air is hot fluid, is cooled down in this way by the air of refrigerating chamber, can
Refrigeration fresh air for summer operation room；The condensed water being precipitated when the above closed refrigerating chamber makes air flow through refrigerating chamber simultaneously
It cannot arbitrarily be flowed along the outside wall surface of surge tank, be conducive to the environment of clean and tidy pneumatics nitrogen station production area；It is defeated to cooling driers
The further of power recycles the synthesis production cost for advantageously reducing enterprise out；Due to design requirement buffer tank volume compared with
Greatly, thus surge tank compared between cooling driers and pressure-variable adsorption tank group pipeline or equipment there is biggish heat transfer area, and become
Lower phase mutual friction heat production is washed away in compressed air due to active carbon in pressure adsorption tanks, the surface temperature of such pressure-variable adsorption tank wants bright
The aobvious surface temperature higher than surge tank, therefore in the case where identical heat transfer area, the present invention also has to cooling driers output work
The high feature of rate utilization efficiency.It is preferred that above-mentioned bushing is heat-barrier material.
Further technical solution are as follows:
To enable surge tank to be all wrapped in bushing, used conducive to the high efficiency to cryogenic gas in surge tank, institute
Stating bushing is can-like structure identical with surge tank shape, and the air inlet tube for surge tank is additionally provided on the bushing and is gone out
Gas adapter tube across hole.
To prevent from being provided in the hole and being connect for realizing air inlet tube and hole or outlet by forming leakage current in above-mentioned hole
The gasket of Guan Yukong static seal.
It is sufficiently exothermic conducive to the air for the convection intensity for strengthening refrigeration chamber air and surge tank wall surface, the system
The interval width of the inner wall of the outside wall surface and bushing of surge tank is between 4mm-10mm in cold chamber.
For the refrigeration effect for reducing the influence and promotion cooling driers of oil and water to subsequent pressure-variable adsorption tank group, the compressor
Oil water separator is additionally provided on pipeline between cooling driers.The above oil water separator can compressed air flow through cooling driers it
The preceding water being precipitated, the oil of being pressurized is discharged.
For further protection activity charcoal, extend the service life of active carbon, the pipeline between the surge tank and cooling driers
On be additionally provided with active carbon oil removing pot.
To reduce the water content for flowing out air in escape pipe, the bottom of the bushing is also fixedly connected with drainpipe, described
The outlet end of drainpipe is also connected with block valve.
For the Auto-drainage for realizing block valve, the block valve is drain valve.
For the length for promoting air and compressed air heat exchange in refrigerating chamber, baffle plate is additionally provided in refrigerating chamber.More than
It is arranged and is conducive to coming into full contact with for air and surge tank wall surface in refrigerating chamber；Further may be configured as baffling board ends respectively with lining
Inner wall and surge tank contact are covered, baffle plate can be used as the retainer of bushing shape holding at this time.
Cooled down since air being discharged in escape pipe when flowing through refrigerating chamber, so when air in containing more tiny
Droplet, to avoid above-mentioned droplet from impacting blower, the blower is arranged in air inlet pipe, and the blower is axis stream wind
Machine.It is intended to reduce the volume for running noise and blower of blower for the setting of axial flow blower.
The invention has the following advantages:
1, the present invention makes simple on the basis of existing equipment, and the bushing of setting is used to obtain between surge tank at it
The refrigerating chamber of sealing, while the air inlet pipe and an air outlet pipe by being arranged on bushing, and by being arranged in air inlet pipe and/or outlet
Blower on pipe, makes it possible to be formed continuous cross-ventilation in refrigerating chamber, and the above cross-ventilation is flowed over refrigerating chamber
Cheng Zhong, air can carry out heat exchange with surge tank wall surface, and compressed air is cold fluid during this, and air is hot fluid, in this way
Air by refrigerating chamber is cooled down, and can be used for the refrigeration fresh air of summer operation room；The above closed refrigerating chamber makes to have leisure simultaneously
Condensed water of the air-flow through being precipitated when refrigerating chamber cannot arbitrarily be flowed along the outside wall surface of surge tank, be conducive to clean and tidy pneumatics nitrogen station
The environment of production area；The synthesis production cost of enterprise is advantageously reduced to the further recycling of cooling driers output power.
2, since design requirement buffer tank volume is larger, therefore surge tank is compared between cooling driers and pressure-variable adsorption tank group
Pipeline or equipment there is biggish heat transfer area, and lower mutually rub in pressure-variable adsorption tank since active carbon is washed away in compressed air
Heat production is wiped, the surface temperature of such pressure-variable adsorption tank will be apparently higher than the surface temperature of surge tank, therefore in identical heat transfer area
In the case where, the present invention also has the characteristics that high to cooling driers output power utilization efficiency.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of one specific embodiment of pressure varying adsorption nitrogen making system of the present invention；
Fig. 2 is the structure of surge tank and bushing in one specific embodiment of pressure varying adsorption nitrogen making system of the present invention
And connection relationship diagram.
Figure acceptance of the bid note is respectively as follows: 1, compressor, 2, oil water separator, 3, cooling driers, 4, surge tank, 41, bushing, 42, system
Cold chamber, 43, air inlet pipe, 44, escape pipe, 45, drainpipe, 46, block valve, 47, blower, 5, active carbon oil removing pot, 6, transformation suction
Attached tank group, 7, baffle plate.
Specific embodiment
The present invention provides a kind of pressure varying adsorption nitrogen making systems, for solving cooling driers follow-up equipment or pipe in the prior art
The condensed water that road is precipitated not only influences the environment at making nitrogen by pressure swing adsorption station, while being also existing THE PRESSURE SWING ADSORPTION NITROGEN GENERATING DEVICE economy
The problem of not as good as where a reason of deep-cooling nitrogen-making.Below with reference to embodiment, the present invention is described in further detail, but
It is that the present invention is not limited only to following embodiment:
Embodiment 1:
As depicted in figs. 1 and 2, pressure varying adsorption nitrogen making system, including the compressor 1, cold being sequentially connected by airflow pipeline
Dry machine 3, surge tank 4 and pressure-variable adsorption tank group 6 are also fixedly connected with bushing 41, the bushing in the outside wall surface of the surge tank 4
Closed refrigerating chamber 42 is formed between 41 and surge tank 4, be further fixed on bushing 41 air inlet pipe 43 communicated with refrigerating chamber 42 and
Escape pipe 44 is additionally provided with blower 47 on the air inlet pipe 43 and/or escape pipe 44.
In the present embodiment, the compressor 1 of setting is the source of compressed air, and it is preferable to use can continuously arrange for the compressor 1
The screw compressor 1 of gas, the cooling driers 3 of setting are for freezing to compressed air, in order to the moisture in compressed air
Can be in a liquid state precipitation, and the surge tank 4 of setting enters temporary, the change of setting before pressure-variable adsorption tank group 6 for compressed air
Pressure adsorption tanks group 6 is for being come out nitrogen separation by active carbon principle of pressure swing adsorption.
In the present invention, the bushing 41 of setting is used for the refrigerating chamber 42 sealed between surge tank 4 at it, passes through simultaneously
Air inlet pipe 43 on bushing 41 and escape pipe 44, and the blower by being arranged on air inlet pipe 43 and/or escape pipe 44 are set
47, make it possible to be formed continuous cross-ventilation in refrigerating chamber 42, the above cross-ventilation in the flow process of refrigerating chamber 42,
Air can carry out heat exchange with 4 wall surface of surge tank, and compressed air is cold fluid during this, and air is hot fluid, is passed through in this way
The air of refrigerating chamber 42 is cooled down, and can be used for the refrigeration fresh air of summer operation room；The above closed refrigerating chamber 42 makes to have leisure simultaneously
Condensed water of the air-flow through being precipitated when refrigerating chamber 42 cannot arbitrarily be flowed along the outside wall surface of surge tank 4, be conducive to clean and tidy pneumatics system
The environment of nitrogen station production area；The comprehensive production of enterprise is advantageously reduced to the further recycling of 3 output power of cooling driers
Cost；Since 4 volume of design requirement surge tank is larger, therefore surge tank 4 is compared between cooling driers 3 and pressure-variable adsorption tank group 6
Pipeline or equipment there is biggish heat transfer area, and lower mutually rub in pressure-variable adsorption tank since active carbon is washed away in compressed air
Heat production is wiped, the surface temperature of such pressure-variable adsorption tank will be apparently higher than the surface temperature of surge tank 4, therefore in identical heat transfer area
In the case where, the present invention also has the characteristics that high to 3 output power utilization efficiency of cooling driers.It is preferred that above-mentioned bushing 41 is heat-insulated material
Material.
Embodiment 2:
The present embodiment is further qualified on the basis of embodiment 1, as depicted in figs. 1 and 2, to enable surge tank 4
It is enough to be all wrapped in bushing 41, it is used conducive to the high efficiency to cryogenic gas in surge tank 4, the bushing 41 is and surge tank 4
Shape identical can-like structure is additionally provided on the bushing 41 and to pass through for the air inlet tube and outgoing gas connection tube of surge tank 4
Hole.
To prevent from being provided in the hole and being connect for realizing air inlet tube and hole or outlet by forming leakage current in above-mentioned hole
The gasket of Guan Yukong static seal.
It is sufficiently exothermic conducive to the air for the convection intensity for strengthening air and 4 wall surface of surge tank in refrigerating chamber 42, it is described
The interval width of the inner wall of the outside wall surface of surge tank 4 and bushing 41 is between 4mm-10mm in refrigerating chamber 42.
For the refrigeration effect for reducing the influence and promotion cooling driers 3 of oil and water to subsequent pressure-variable adsorption tank group 6, the compression
Oil water separator 2 is additionally provided on pipeline between machine 1 and cooling driers 3.The above oil water separator 2 can flow through cold in compressed air
To be pressurized the water being precipitated, oil discharge before dry machine 3.
For further protection activity charcoal, extend the service life of active carbon, the pipe between the surge tank 4 and cooling driers 3
Road is additionally provided with active carbon oil removing pot 5.
To reduce the water content for flowing out air in escape pipe 44, the bottom of the bushing 41 is also fixedly connected with drainpipe
45, the outlet end of the drainpipe 45 is also connected with block valve 46.
For the Auto-drainage for realizing block valve 46, the block valve 46 is drain valve.
Embodiment 3:
The present embodiment is further qualified on the basis of embodiment 1, as depicted in figs. 1 and 2, to be promoted in refrigerating chamber 42
The length of air and compressed air heat exchange is additionally provided with baffle plate 7 in refrigerating chamber 42.It is hollow that arrangement above is conducive to refrigerating chamber 42
Gas comes into full contact with 4 wall surface of surge tank；Further may be configured as 7 both ends of baffle plate respectively with 41 inner wall of bushing and buffering
Tank 4 contacts, and baffle plate 7 can be used as the retainer of 41 shape of bushing holding at this time.The baffle plate 7 is in metal foil in the present embodiment
The helical structure cut after spiral setting-out is carried out on plate, the inside and outside diameter of the above helical structure is respectively the outer diameter of surge tank
With the internal diameter of bushing.
Cooled down since air being discharged in escape pipe 44 when flowing through refrigerating chamber 42, so when air in containing more thin
Small droplet, to avoid above-mentioned droplet from impacting blower 47, the blower 47 is arranged in air inlet pipe 43, and the blower
47 be axial flow blower 47.It is intended to reduce the volume for running noise and blower 47 of blower 47 for the setting of axial flow blower 47.
The above content is combine specific preferred embodiment to the further description of the invention made, and it cannot be said that originally
The specific embodiment of invention is only limited to these instructions.For those of ordinary skill in the art to which the present invention belongs,
The other embodiments obtained in the case where not departing from technical solution of the present invention, should be included within the scope of the present invention.
Claims (7)
1. pressure varying adsorption nitrogen making system, including compressor (1), the cooling driers (3), surge tank being sequentially connected by airflow pipeline
(4) and pressure-variable adsorption tank group (6), which is characterized in that bushing (41) are also fixedly connected in the outside wall surface of the surge tank (4),
It is formed closed refrigerating chamber (42), is further fixed on bushing (41) and refrigerating chamber between the bushing (41) and surge tank (4)
(42) air inlet pipe (43) and escape pipe (44) communicated is additionally provided with blower on the air inlet pipe (43) and/or escape pipe (44)
(47)；The bushing (41) is can-like structure identical with surge tank (4) shape, is additionally provided on the bushing (41) for delaying
The hole that the air inlet tube and outgoing gas connection tube for rushing tank (4) pass through；It is provided in the hole for realizing air inlet tube and hole or is gone out
The gasket of gas adapter tube and hole static seal；The inner wall of the outside wall surface of surge tank (4) and bushing (41) in the refrigerating chamber (42)
Interval width between 4mm-10mm.
2. pressure varying adsorption nitrogen making system according to claim 1, which is characterized in that the compressor (1) and cooling driers (3)
Between pipeline on be additionally provided with oil water separator.
3. pressure varying adsorption nitrogen making system according to claim 1, which is characterized in that the surge tank (4) and cooling driers (3)
Between pipeline on be additionally provided with active carbon oil removing pot (5).
4. pressure varying adsorption nitrogen making system according to claim 1, which is characterized in that the bottom of the bushing (41) is also fixed
It is connected with drainpipe (45), the outlet end of the drainpipe (45) is also connected with block valve (46).
5. pressure varying adsorption nitrogen making system according to claim 4, which is characterized in that the block valve (46) is drain valve.
6. according to claim 1 to 5 any one of pressure varying adsorption nitrogen making systems, which is characterized in that in refrigerating chamber (42)
It is additionally provided with baffle plate (7).
7. according to claim 1 to 5 any one of pressure varying adsorption nitrogen making systems, which is characterized in that the blower (47)
It is arranged in air inlet pipe (43), and the blower (47) is axial flow blower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610198350.2A CN105621376B (en) | 2016-04-01 | 2016-04-01 | Pressure varying adsorption nitrogen making system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610198350.2A CN105621376B (en) | 2016-04-01 | 2016-04-01 | Pressure varying adsorption nitrogen making system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105621376A CN105621376A (en) | 2016-06-01 |
| CN105621376B true CN105621376B (en) | 2018-12-07 |
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| CN201610198350.2A Active CN105621376B (en) | 2016-04-01 | 2016-04-01 | Pressure varying adsorption nitrogen making system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110043969A (en) * | 2019-05-13 | 2019-07-23 | 西安航天神舟建筑设计院有限公司 | A kind of air handling system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201031143Y (en) * | 2007-02-14 | 2008-03-05 | 刘立群 | Vehicle mounted type carbon molecular sieve nitrogen preparing device |
| CN101961591B (en) * | 2010-09-29 | 2012-08-29 | 中国舰船研究设计中心 | Multi-cycle normal temperature air separation system and method |
| CN105197898B (en) * | 2015-10-14 | 2017-02-01 | 杭州欧斯空分设备有限公司 | Nitrogen making system for ship |
| CN205676156U (en) * | 2016-04-01 | 2016-11-09 | 成都科盛石油科技有限公司 | Can be used for the pressure varying adsorption nitrogen making system of air cooling |
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Effective date of registration: 20181025 Address after: 528000 102 factory building, 4 Gu Da Road, Chancheng District, Foshan, Guangdong. Applicant after: FOSHAN FASTECH CO., LTD. Address before: 610000 Chengdu hi tech Zone Shiyang Industrial Park, Sichuan Applicant before: Chengdu Kesheng Petroleum Technology Co., Ltd. |
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