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CN108423644A - A kind of film separation and nitrogen-making device - Google Patents

A kind of film separation and nitrogen-making device Download PDF

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Publication number
CN108423644A
CN108423644A CN201810315451.2A CN201810315451A CN108423644A CN 108423644 A CN108423644 A CN 108423644A CN 201810315451 A CN201810315451 A CN 201810315451A CN 108423644 A CN108423644 A CN 108423644A
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CN
China
Prior art keywords
nitrogen
filter
air
cooler
making device
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.)
Pending
Application number
CN201810315451.2A
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Chinese (zh)
Inventor
顾飞龙
张达威
岑吉军
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.)
SHANGHAI YUANJIN ELECTROMECHANICAL EQUIPMENT MANUFACTURING Co Ltd
Original Assignee
SHANGHAI YUANJIN ELECTROMECHANICAL EQUIPMENT MANUFACTURING 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 SHANGHAI YUANJIN ELECTROMECHANICAL EQUIPMENT MANUFACTURING Co Ltd filed Critical SHANGHAI YUANJIN ELECTROMECHANICAL EQUIPMENT MANUFACTURING Co Ltd
Priority to CN201810315451.2A priority Critical patent/CN108423644A/en
Publication of CN108423644A publication Critical patent/CN108423644A/en
Pending legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B21/00Nitrogen; Compounds thereof
    • C01B21/04Purification or separation of nitrogen
    • C01B21/0405Purification or separation processes
    • C01B21/0433Physical processing only
    • C01B21/0438Physical processing only by making use of membranes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/22Separation 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 diffusion
    • B01D53/228Separation 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 diffusion characterised by specific membranes
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2210/00Purification or separation of specific gases
    • C01B2210/0001Separation or purification processing
    • C01B2210/0009Physical processing
    • C01B2210/001Physical processing by making use of membranes

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  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Drying Of Gases (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

The present invention provides a kind of film separation and nitrogen-making devices,Including air compressor machine,The compression used for air compressor in air,The air compressor machine is connected with cooler,The cooler is used for the cooling of compressed air,The cooler is connected with several first filters in turn,Preliminary filtering of several the described first filters for air after cooling,The first filter is connected with drying machine,The drying machine is used to that preliminary filtered air to be dried,The drying machine is connected with several the second filters in turn,Second filter is for for re-filtering to the air after drying,If second filter is connected with dry film group,Film group side is provided with nitrogen outlet and emptying exports,The nitrogen outlet,It is provided with analyzer between emptying outlet and film group,Flowmeter,Counterbalance valve and pressure reducing valve,Nitrogen gas purity prepared by the present invention can reach 97% or more,Production nitrogen quantity can reach 10 1200m3/h,And noise is less than 85dB.

Description

A kind of film separation and nitrogen-making device
Technical field
The present invention relates to nitrogen fields processed, and in particular to arrives a kind of film separation and nitrogen-making device.
Background technology
Nitrogen is a kind of gas of colorless and odorless under usual condition, and nitrogen is smaller than atmospheric density, and chemical property is not lived It sprinkles, is difficult to react with other substances under room temperature.Due to the chemical stability of nitrogen, it is widely used in many fields, example Such as, in field of automobile tires, nitrogen can play the stability for improving tire running and comfort, prevent from blowing out with deficency grind row, The effects that extending Life of Tyre.Method for preparing nitrogen has three classes:That is cryogenic air separation unit nitrogen, making nitrogen by pressure swing adsorption and UF membrane system Nitrogen.Wherein, making nitrogen by pressure swing adsorption is to make adsorbent with carbon molecular sieve, using carbon molecular sieve in air using air as raw material The characteristic of oxygen and nitrogen selection absorption with principle of pressure swing adsorption detaches at normal temperatures oxygen and nitrogen and produces nitrogen.Pressure-variable adsorption Nitrogen processed is widely used due to its convenience.At present film separation and nitrogen-making technology due to its permeate expanding gas separation principle more To be simple, compared with making nitrogen by pressure swing adsorption, have flow more simple, be switched on more rapid, film group floor space smaller, no The moving components such as solenoid valve and operated pneumatic valve are needed, easy to maintenance, the features such as being more easy to minimize, membrane separation technique and device are More and more applied.
Invention content
In order to solve above-mentioned insufficient defect, the present invention provides a kind of film separation and nitrogen-making device, nitrogen prepared by the present invention Gas purity can reach 97% or more, and production nitrogen quantity can reach 10-1200m3/ h, and noise is less than 85dB.
The present invention provides a kind of film separation and nitrogen-making device, including air compressor machine, the compression used for air compressor in air, institute It states air compressor machine and is connected with cooler, the cooler is used for the cooling of compressed air, and the cooler is connected with several in turn First filter, preliminary filtering of several the described first filters for air after cooling, the first filter are connected with Drying machine, the drying machine are used to that preliminary filtered air to be dried, the drying machine be connected in turn several the Tow filtrator, second filter is for for re-filtering to the air after drying, if second filter is connected with Dry film group, film group side is provided with nitrogen outlet and emptying exports, and is set between the nitrogen outlet, emptying outlet and film group It is equipped with analyzer, flowmeter, counterbalance valve and the cooler to be sequentially connected there are two first filter, the drying machine connects successively Second filter pressure relief valve there are two connecing.
Above-mentioned nitrogen-making device, wherein the counterbalance valve is arranged between film group and pressure reducing valve, the analyzer, flow Meter is arranged between pressure reducing valve and nitrogen outlet.
Above-mentioned nitrogen-making device a, wherein gate valve is additionally provided between the pressure reducing valve and analyzer.
Above-mentioned nitrogen-making device, wherein including several air compressor machines, pass through side in parallel between several described air compressor machines Formula is connected, if being arranged in parallel between the dry film group.
Above-mentioned nitrogen-making device, wherein be additionally provided with a buffer tank between the cooler and the first filter, use The caching of air after to cooling, the cooler upper end are provided with cooling water inlet, and lower end is provided with cooling water outlet.
Above-mentioned nitrogen-making device, wherein the cooler is sequentially connected there are two first filter, and the drying machine is successively There are two the second filters for connection.
Above-mentioned nitrogen-making device, wherein first filter connection is there are two drying machine, between described two drying machines It is arranged in parallel.
Above-mentioned nitrogen-making device, wherein the first filter, the second filter, cooler and drying machine lower end pass through Pipeline is connected with sewage draining exit.
The invention has the advantages that:1, nitrogen gas purity prepared by the present invention can reach 97% or more, produce nitrogen quantity 10-1200m3/h can be reached, and noise is less than 85dB;It 2, can be empty by compression by being provided with drier in the present invention Oil and water in gas are removed, it is ensured that the long-time service of film group;3, the present invention is provided with back pressure in the outlet of nitrogen Valve, it is ensured that on outlet conduit, when pressure reaches setting pressure, valve is just opened, and can be switched on just to avoid film group When, since compressed air has boost process, nitrogen is not produced when can guarantee boosting at this time, when reaching setup pressure value, is just produced Nitrogen ensures the yield and purity of production nitrogen.
Description of the drawings
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, the present invention and its feature, outer Shape and advantage will become more apparent upon.Identical label indicates identical part in whole attached drawings.Not deliberately proportionally Draw attached drawing, it is preferred that emphasis is the purport of the present invention is shown.
Fig. 1 is the work flow diagram of the present invention.
Specific implementation mode
In the following description, a large amount of concrete details are given in order to provide more thorough understanding of the invention.So And it is obvious to the skilled person that the present invention may not need one or more of these details and be able to Implement.In other examples, in order to avoid with the present invention obscure, for some technical characteristics well known in the art not into Row description.
In order to thoroughly understand the present invention, detailed step and detailed structure will be proposed in following description, so as to Illustrate technical scheme of the present invention.Presently preferred embodiments of the present invention is described in detail as follows, however other than these detailed descriptions, this Invention can also have other embodiment.
Shown in referring to Fig.1, the present invention provides a kind of film separation and nitrogen-making devices, including air compressor machine 1, and air compressor machine 1 is for sky The compression of gas, specially compresses air to 1.0-1.2MPa, when compressing air to 1.0-1.2MPa, Air Temperature at this time Degree needs to cool down compressed air in 50-80 degree, and air compressor machine 1 is connected with cooler 2, and cooler 2 is for compressed air Cooling, 2 upper end of cooler is provided with cooling water inlet 3, and lower end is provided with cooling water outlet 4, and the temperature of cooling water inlet is less than Or it is equal to 25 degree, the temperature of water outlet is less than 30 degree, and cooler 2 is connected with several first filters 5, preferably two in turn It is a, wherein the filter of front one is filtered for removing condensed water and removing impurity in the impurity of 0.3um or more and second Device further removes the impurity in 0.1um or more, can mention the purity for preparing nitrogen, several first filters 5 are for cold But the preliminary filtering of air after;
First filter 5 is connected with drying machine 6, and drying machine 6 is used to that preliminary filtered air to be dried, in this hair By being added to drier 6 during preparing nitrogen in bright, it wherein is provided with activated carbon in drier, can will be compressed empty Oil and water in gas are removed, and are specially deviate from oil content to 0.001ppm or less, it is ensured that the long-time service of film group is prolonged The service life of long film group, drying machine 6 are connected with several the second filters 7 in turn, for being carried out again to the air after drying Secondary filtering, identical with the existing operation principle for preparing mold if the second filter 7 is connected with dry film group 8,8 side of film group is set It is equipped with nitrogen outlet 9 and emptying outlet 10, analyzer 11, flow are provided between nitrogen outlet 9, emptying outlet 10 and film group 8 Meter 12, counterbalance valve 13 and pressure reducing valve 14;
In the present invention, by being provided with counterbalance valve in the outlet of nitrogen, it is ensured that on outlet conduit, work as pressure When reaching setting pressure, valve is just opened, can be to avoid film group in rigid booting, since compressed air has boost process, at this time Nitrogen is not produced when can guarantee boosting, when reaching setup pressure value, nitrogen is just produced, ensures the yield and purity of production nitrogen, And it is provided with analyzer 11 and the underproof nitrogen of generation can be discharged from emptying outlet 10.
In the present invention, by being provided with several first filters and drier, the technical indicator reached is:Compression is empty The pressure of gas maintains 1.0-1.2MPa, and for dew point in -20 degree, oil content is less than 0.001ppm, filtering accuracy control 0.001um with It is interior, so as to realize the Pureness control for preparing nitrogen 97% or more.The service life of film group can also be extended, if removing dry Dry device, then film group nitrogen effect processed will be lost within 10 days.
In the embodiment of the present invention one preferably and not restrictive, a lock is additionally provided between pressure reducing valve 14 and analyzer 11 Valve 15, the output for controlling nitrogen.
In the embodiment of the present invention one preferably and not restrictive, including several air compressor machines, several described air compressor machines Between be connected by way of in parallel, if being arranged in parallel between the dry film group, can be added as needed.
In the embodiment of the present invention one preferably and not restrictive, one is additionally provided between cooler 2 and first filter 5 Buffer tank 16 can be improved for that can play the role of caching by being provided with buffer tank to the caching of air after cooling The purity of nitrogen is prepared, 2 upper end of cooler is provided with cooling water inlet, and lower end is provided with cooling water outlet.
In one embodiment preferably and not restrictive of the present invention, first filter connection is there are two drying machine, and described two It is arranged in parallel between a drying machine.
In the present invention, it is connected by ball valve 17 between air compressor machine 1 and cooler.
In the embodiment of the present invention one preferably and not restrictive, first filter, the second filter, cooler and drying Machine lower end is connected by pipeline with sewage draining exit 18, and blowdown can be played the role of.
The specific implementation mode of the present invention presented below;
Embodiment 1
Shown in referring to Fig.1, the present invention provides a kind of film separation and nitrogen-making device, including air compressor machine 1, air compressor machine 1 is connected with Cooler 2,2 upper end of cooler are provided with cooling water inlet 3, and lower end is provided with cooling water outlet 4, and the temperature of cooling water inlet is small In 25 degree, the temperature of water outlet is less than 30 degree, and cooler 2 is sequentially connected there are two first filter 5, wherein the filtering of front one Device is further removed in 0.1um for removing condensed water and removing impurity in the impurity of 0.3um or more and second filter Above impurity;For the connection of first filter 5 there are two drying machine 6 in parallel, drying machine 6 is connected with several the second filterings in turn Device 7, if the second filter 7 is connected with dry film group 8,8 side of film group is provided with nitrogen outlet 9 and emptying outlet 10, nitrogen outlet 9, analyzer 11, flowmeter 12, counterbalance valve 13 and pressure reducing valve 14 are provided between emptying outlet 10 and film group 8, pressure reducing valve 14 with It is additionally provided with a gate valve 15 between analyzer 11, a buffer tank 16 is additionally provided between cooler 2 and first filter 5.
Comparative example 1
Difference lies in be not provided with drying machine to the embodiment with embodiment 1.
Comparative example 2
Difference lies in be not provided with counterbalance valve to the embodiment with embodiment 1.
Comparative example 3
Difference lies in be not provided with cooler to the embodiment with embodiment 1.
The embodiment of the present invention presented below prepare nitrogen prepared with existing equipment nitrogen data it is as shown in table 1, In the initial period air of equipment air inflow it is substantially close, error is within 0.5%;
Table 1
With reference to shown in table 1, the embodiment of the present invention 1 obviously has advantage in terms of the purity and noise for preparing nitrogen, And also there is certain advantage in the service life of film group and yield.
Presently preferred embodiments of the present invention is described above.It is to be appreciated that the invention is not limited in above-mentioned Particular implementation, wherein the equipment and structure be not described in detail to the greatest extent are construed as giving reality with the common mode in this field It applies;Any technical person familiar with the field, without departing from the scope of the technical proposal of the invention, all using the disclosure above Methods and technical content many possible changes and modifications are made to technical solution of the present invention, or be revised as equivalent variations etc. Embodiment is imitated, this is not affected the essence of the present invention.Therefore, every content without departing from technical solution of the present invention, foundation The technical spirit any simple modifications, equivalents, and modifications made to the above embodiment of the present invention, still fall within the present invention In the range of technical solution protection.

Claims (8)

1. a kind of film separation and nitrogen-making device, which is characterized in that including air compressor machine, the compression used for air compressor in air is described Air compressor machine is connected with cooler, and the cooler is used for the cooling of compressed air, the cooler be connected in turn several the One filter, preliminary filtering of several the described first filters for air after cooling, the first filter is connected with dry Dry machine, the drying machine are used to that preliminary filtered air to be dried, the drying machine be connected in turn several second Filter, for for re-filtering to the air after drying, second filter is connected with several second filter Film group, film group side is provided with nitrogen outlet and emptying exports, and is arranged between the nitrogen outlet, emptying outlet and film group There are analyzer, flowmeter, counterbalance valve and pressure reducing valve.
2. a kind of film separation and nitrogen-making device as described in claim 1, which is characterized in that the counterbalance valve setting film group with subtract Between pressure valve, the analyzer, flowmeter are arranged between pressure reducing valve and nitrogen outlet.
3. a kind of film separation and nitrogen-making device as claimed in claim 2, which is characterized in that between the pressure reducing valve and analyzer also It is provided with a gate valve.
4. a kind of film separation and nitrogen-making device as claimed in claim 3, which is characterized in that including several air compressor machines, if described It is connected by way of in parallel between dry air compressor machine, if being arranged in parallel between the dry film group.
5. a kind of film separation and nitrogen-making device as claimed in claim 4, which is characterized in that the cooler is filtered with described first A buffer tank is additionally provided between device, for the caching to air after cooling, the cooler upper end is provided with cooling water inlet, Lower end is provided with cooling water outlet.
6. a kind of film separation and nitrogen-making device as claimed in claim 5, which is characterized in that there are two the cooler is sequentially connected First filter, the drying machine are sequentially connected there are two the second filter.
7. a kind of film separation and nitrogen-making device as claimed in claim 6, which is characterized in that there are two the first filter connections Drying machine is arranged in parallel between described two drying machines.
8. a kind of film separation and nitrogen-making device as claimed in claim 7, which is characterized in that the first filter, the second filtering Device, cooler and drying machine lower end are connected by pipeline with sewage draining exit.
CN201810315451.2A 2018-04-10 2018-04-10 A kind of film separation and nitrogen-making device Pending CN108423644A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810315451.2A CN108423644A (en) 2018-04-10 2018-04-10 A kind of film separation and nitrogen-making device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810315451.2A CN108423644A (en) 2018-04-10 2018-04-10 A kind of film separation and nitrogen-making device

Publications (1)

Publication Number Publication Date
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110480160A (en) * 2019-09-30 2019-11-22 吕鸿惠 One kind is based on pressure and flow control membrane type nitrogen gas generator air supply method and system
CN111092269A (en) * 2020-01-06 2020-05-01 烟台创为新能源科技有限公司 Explosion suppression device and method for lithium ion battery box

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1258279A2 (en) * 2001-05-14 2002-11-20 Eurosider S.a.S. di Milli Ottavio & C. Membrane apparatus for the production of gaseous nitrogen
CN202175557U (en) * 2011-09-06 2012-03-28 西梅卡亚洲气体系统成都有限公司 Nitrogen generator based on membrane air separation using deliquescence and drying technique
CN103101889A (en) * 2011-11-14 2013-05-15 母东艳 Nitrogen production system based on membrane separation principle
CN103101890A (en) * 2011-11-14 2013-05-15 母东艳 Nitrogen production system and nitrogen production process based on membrane separation principle
CN203112504U (en) * 2013-03-12 2013-08-07 朱倩 Small-sized membrane-separation nitrogen production device
CN208182616U (en) * 2018-04-10 2018-12-04 上海垣锦机电设备制造有限公司 A kind of film separation and nitrogen-making device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1258279A2 (en) * 2001-05-14 2002-11-20 Eurosider S.a.S. di Milli Ottavio & C. Membrane apparatus for the production of gaseous nitrogen
CN202175557U (en) * 2011-09-06 2012-03-28 西梅卡亚洲气体系统成都有限公司 Nitrogen generator based on membrane air separation using deliquescence and drying technique
CN103101889A (en) * 2011-11-14 2013-05-15 母东艳 Nitrogen production system based on membrane separation principle
CN103101890A (en) * 2011-11-14 2013-05-15 母东艳 Nitrogen production system and nitrogen production process based on membrane separation principle
CN203112504U (en) * 2013-03-12 2013-08-07 朱倩 Small-sized membrane-separation nitrogen production device
CN208182616U (en) * 2018-04-10 2018-12-04 上海垣锦机电设备制造有限公司 A kind of film separation and nitrogen-making device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110480160A (en) * 2019-09-30 2019-11-22 吕鸿惠 One kind is based on pressure and flow control membrane type nitrogen gas generator air supply method and system
CN110480160B (en) * 2019-09-30 2021-07-09 吕鸿惠 Diaphragm type nitrogen generator gas supply method and system based on pressure and flow control
CN111092269A (en) * 2020-01-06 2020-05-01 烟台创为新能源科技有限公司 Explosion suppression device and method for lithium ion battery box

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Application publication date: 20180821

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