CN108253731A - A kind of nitrogen production device - Google Patents
A kind of nitrogen production device Download PDFInfo
- Publication number
- CN108253731A CN108253731A CN201611272536.4A CN201611272536A CN108253731A CN 108253731 A CN108253731 A CN 108253731A CN 201611272536 A CN201611272536 A CN 201611272536A CN 108253731 A CN108253731 A CN 108253731A
- Authority
- CN
- China
- Prior art keywords
- air inlet
- air
- filter
- baffle
- early period
- 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
Links
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 59
- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 28
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 13
- 230000006835 compression Effects 0.000 claims abstract description 29
- 238000007906 compression Methods 0.000 claims abstract description 29
- 239000007789 gas Substances 0.000 claims abstract description 23
- 238000001914 filtration Methods 0.000 claims abstract description 18
- 230000000712 assembly Effects 0.000 claims abstract description 15
- 238000000429 assembly Methods 0.000 claims abstract description 15
- 239000002808 molecular sieve Substances 0.000 claims abstract description 15
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 238000004821 distillation Methods 0.000 claims abstract description 14
- 239000003595 mist Substances 0.000 claims abstract description 13
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 6
- 239000001301 oxygen Substances 0.000 claims description 6
- 229910052760 oxygen Inorganic materials 0.000 claims description 6
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 4
- 229920000742 Cotton Polymers 0.000 claims description 3
- 230000000740 bleeding effect Effects 0.000 claims description 3
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 3
- 230000003584 silencer Effects 0.000 claims description 3
- 239000011552 falling film Substances 0.000 claims description 2
- 239000007788 liquid Substances 0.000 abstract description 13
- 239000012535 impurity Substances 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract 2
- 238000004887 air purification Methods 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 239000010920 waste tyre Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
- F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
- F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
- F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
- F25J3/04006—Providing pressurised feed air or process streams within or from the air fractionation unit
- F25J3/04078—Providing pressurised feed air or process streams within or from the air fractionation unit providing pressurized products by liquid compression and vaporisation with cold recovery, i.e. so-called internal compression
- F25J3/04084—Providing pressurised feed air or process streams within or from the air fractionation unit providing pressurized products by liquid compression and vaporisation with cold recovery, i.e. so-called internal compression of nitrogen
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Separation By Low-Temperature Treatments (AREA)
Abstract
The invention discloses a kind of nitrogen production device, including air filter, compression set early period, water mist sprinkling device, molecular sieve device, heat-exchange device, recycle compressor and distillation system；Air inlet is equipped on the left of the air filter, Open Side Down for air inlet, air inlet connection filtration channel；The air intake ports are equipped with exhaust fan；The filtration channel is S-shaped, is laid with four wind deflectors inside filtration channel, and wind deflector includes mounting base and baffle, and the inner wall of mounting base and ontology is bolted, is tightly connected, and baffle is fixedly connected with mounting base；Filter assemblies are equipped between the wind deflector, filter assemblies are set by fixing piece and baffle clamping；The air filter gas outlet connection early period compression set air inlet, early period compression set gas outlet connection water mist sprinkling device air inlet；Good air purification effect of the present invention, separation impurity effect is good, and the liquid nitrogen that distillation system obtains has higher purity.
Description
Technical field
The present invention relates to nitrogen production device, specifically a kind of nitrogen production device.
Background technology
Liquid nitrogen has a wide range of applications in industrial production, such as available for being cooled down to waste tire, makes it rapid
Brittle temperature is cooled to, is conducive to crush waste tire the rubber powder of output small particle；
Under normal pressure, liquid nitrogen temperature is -196 DEG C, and 1 cubic metre of liquid nitrogen can be expanded to 696 cubic metres 21 DEG C of pure gas
State nitrogen；If liquid nitrogen pressurizes, liquid nitrogen can be obtained at higher temperatures；In the industry, the common production technology of liquid nitrogen be with
Air compresses and liquefies air, and pass through rectifying means for raw material, liquefies in the environment of cooling, divides it by each group in air
Boiling point is different, and liquid nitrogen is separated
Invention content
The purpose of the present invention is to provide a kind of nitrogen production device, to solve the problems mentioned in the above background technology.
To achieve the above object, the present invention provides following technical solution：
A kind of nitrogen production device, including air filter, compression set early period, water mist sprinkling device, molecular sieve device, heat
Switch, recycle compressor and distillation system；Air inlet is equipped on the left of the air filter, Open Side Down for air inlet, into
Gas port connects filtration channel；The air intake ports are equipped with exhaust fan；The filtration channel is S-shaped, is evenly distributed with inside filtration channel
If there are four wind deflector, wind deflector includes mounting base and baffle, and the inner wall of mounting base and ontology is bolted, seals company
It connects, and baffle is fixedly connected with mounting base；Filter assemblies are equipped between the wind deflector, filter assemblies pass through fixing piece and gear
Board connects setting；The air filter gas outlet connection early period compression set air inlet, early period compression set outlet
The air inlet of mouth connection water mist sprinkling device, the air inlet of the gas outlet connection molecular sieve device of water mist sprinkling device；Pressure early period
Silencer is added on the air inlet of compression apparatus, molecular sieve device is equipped with a large amount of sieve particle；The molecular sieve device
Gas outlet recycle compressor and heat-exchange device are connected by pipeline shunt, wherein, air bleeding valve and the heat of recycle compressor are handed over
Changing device connects；The gas outlet of the recycle compressor is also connected with distillation system；The distillation system include vacuum rectification tower and
Compression rectification tower；The bottom of the vacuum rectification tower is provided with falling film evaporator；The height and position of the compression rectification tower is located at
Under vacuum rectification tower, expansion turbine is internally provided with, compression rectification tower bottom output oxygen simultaneously connects oxygen hose, pressurizes
Nitrogen is exported at the top of rectifying column and connects nitrogen gas tank.
As further embodiment of the present invention：The filter assemblies fall down from above is once equipped with the first filter layer, activated carbon
Layer and the second filter layer, and absorbent cotton layer is equipped between active carbon layer, filter layer.
As further scheme of the invention：The baffle is vertically arranged.
Compared with prior art, the beneficial effects of the invention are as follows：
In the present invention, filtration channel sets multigroup filter assemblies to ensure that air passes through for the setting of continuous S-shaped, filtration channel
Continuous S-shaped pipeline can be purified adequately, ensure air and filter assemblies multiple-contact, save space, simple in structure,
Good purification；
In the present invention, after gas filtration, a gas part is cooled to the temperature close to condensation in heat-exchange device, separately
A part is compressed by recycle compressor, and compressed gas is inputted in heat-exchange device again to be cooled down, and final defeated
Enter in distillation system, wherein, compression early period, the cycle compression of air are more advantageous to forming liquid nitrogen, and water mist sprinkling device goes to remove water
Solubility impurity, for molecular sieve device for detaching impurity, the liquid nitrogen that distillation system obtains has higher purity.
Description of the drawings
Fig. 1 is the structure diagram of nitrogen production device.
Specific embodiment
The technical solution of this patent is described in more detail With reference to embodiment.
Referring to Fig. 1, a kind of nitrogen production device, including air filter 1, compression set early period 2, water mist sprinkling device 3,
Molecular sieve device 4, heat-exchange device 6, recycle compressor 5 and distillation system 7；1 left side of air filter is equipped with air inlet
11, Open Side Down for air inlet 11, and air inlet 11 connects filtration channel；11 port of air inlet is equipped with exhaust fan 12；The mistake
Filter channel is S-shaped, and four wind deflectors 13 are laid with inside filtration channel, and wind deflector 13 includes mounting base 14 and baffle 15, peace
The inner wall of dress seat 14 and ontology 1 is bolted, is tightly connected, and baffle 15 is fixedly connected with mounting base 14, and baffle 15
It is vertically arranged；Filter assemblies 16 are equipped between the wind deflector 13, filter assemblies 16 are set by fixing piece and the clamping of baffle 15
It puts, filter assemblies 16 fall down from above and are once equipped with the first filter layer, active carbon layer and the second filter layer, and active carbon layer, filtering
Absorbent cotton layer is equipped between layer；In work, filtration channel sets multigroup filter assemblies 16 for the setting of continuous S-shaped, filtration channel
Ensure that air can be purified adequately by continuous S-shaped pipeline, ensure air and 16 multiple-contact of filter assemblies, save
Space, simple in structure, good purification；The air inlet of gas outlet connection compression set early period 2 of the air filter 1, it is preceding
The air inlet of the gas outlet connection water mist sprinkling device 3 of phase compression set 2, the gas outlet connection molecular sieve device 4 of water mist sprinkling device 3
Air inlet；Silencer is added on the air inlet of compression set early period 2, molecular sieve device 4 is equipped with a large amount of molecule
Sieve particle；The gas outlet of the molecular sieve device 4 connects recycle compressor 5 and heat-exchange device 6 by pipeline shunt, wherein,
The air bleeding valve of recycle compressor 5 is connect with heat-exchange device 6；The gas outlet of the recycle compressor 5 is also connected with distillation system 7；
The distillation system 7 includes vacuum rectification tower 71 and compression rectification tower 72；The bottom of the vacuum rectification tower 71 is provided with falling liquid film
Evaporator；The height and position of the compression rectification tower 72 is located under vacuum rectification tower 71, is internally provided with expansion turbine,
72 bottom of compression rectification tower exports oxygen and connects oxygen hose 9, and 72 top output nitrogen of compression rectification tower simultaneously connects nitrogen gas tank 8；
In work, after gas filtration, a gas part is cooled to the temperature close to condensation in heat-exchange device 6, and another part leads to
It crosses recycle compressor 5 to be compressed, compressed gas is inputted in heat-exchange device 6 and cooled down again, and finally enters rectifying
In system 7, wherein, compression early period, the cycle compression of air are more advantageous to forming liquid nitrogen, and water mist sprinkling device 3 removes water solubility
Impurity, for molecular sieve device 4 for detaching impurity, the liquid nitrogen that distillation system 7 obtains has higher purity.
The better embodiment of this patent is explained in detail above, but this patent is not limited to above-mentioned embodiment party
Formula, can also be under the premise of this patent objective not be departed from the knowledge that one skilled in the relevant art has
It makes a variety of changes.
Claims (3)
1. a kind of nitrogen production device, including air filter (1), compression set early period (2), water mist sprinkling device (3), molecular sieve
Device (4), heat-exchange device (6), recycle compressor (5) and distillation system (7)；It is characterized in that, the air filter (1)
Left side is equipped with air inlet (11), and Open Side Down for air inlet (11), air inlet (11) connection filtration channel；Air inlet (11) end
Mouth is equipped with exhaust fan (12)；The filtration channel is S-shaped, and four wind deflectors (13), wind deflector are laid with inside filtration channel
(13) including mounting base (14) and baffle (15), the inner wall of mounting base (14) and ontology (1) is bolted, is tightly connected,
And baffle (15) is fixedly connected with mounting base (14)；Filter assemblies (16), filter assemblies are equipped between the wind deflector (13)
(16) it is set by fixing piece and baffle (15) clamping；Gas outlet connection compression set early period (2) of the air filter (1)
Air inlet, compression set early period (2) gas outlet connection water mist sprinkling device (3) air inlet, the outlet of water mist sprinkling device (3)
The air inlet of mouth connection molecular sieve device (4)；Silencer, molecular sieve are added on the air inlet of compression set early period (2)
Device (4) is equipped with a large amount of sieve particle；The gas outlet of the molecular sieve device (4) connects cycle pressure by pipeline shunt
Contracting machine (5) and heat-exchange device (6), wherein, the air bleeding valve of recycle compressor (5) is connect with heat-exchange device (6)；The cycle
The gas outlet of compressor (5) is also connected with distillation system (7)；The distillation system (7) includes vacuum rectification tower (71) and pressurization essence
Evaporate tower (72)；The bottom of the vacuum rectification tower (71) is provided with falling film evaporator；The height position of the compression rectification tower (72)
Under vacuum rectification tower (71), expansion turbine is internally provided with, compression rectification tower (72) bottom output oxygen is simultaneously
Oxygen hose (9) is connected, nitrogen is exported at the top of compression rectification tower (72) and connects nitrogen gas tank (8).
2. nitrogen production device according to claim 1, which is characterized in that the filter assemblies (16) are fallen down once from above
Equipped with the first filter layer, active carbon layer and the second filter layer, and absorbent cotton layer is equipped between active carbon layer, filter layer.
3. nitrogen production device according to claim 1, which is characterized in that the baffle (15) is vertically arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611272536.4A CN108253731A (en) | 2016-12-28 | 2016-12-28 | A kind of nitrogen production device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611272536.4A CN108253731A (en) | 2016-12-28 | 2016-12-28 | A kind of nitrogen production device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108253731A true CN108253731A (en) | 2018-07-06 |
Family
ID=62721734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611272536.4A Pending CN108253731A (en) | 2016-12-28 | 2016-12-28 | A kind of nitrogen production device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108253731A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105291306A (en) * | 2015-12-02 | 2016-02-03 | 何志斌 | Waste tire crushing and rubber powder producing line with liquid nitrogen production system |
| CN105327555A (en) * | 2015-11-27 | 2016-02-17 | 苏州兴亚净化工程有限公司 | Improved air purification and filtration device |
| CN205201874U (en) * | 2015-12-02 | 2016-05-04 | 何志斌 | Take broken rubber powder apparatus for producing of junked tire of liquid nitrogen production system |
| CN205199236U (en) * | 2015-12-10 | 2016-05-04 | 北京创新纪技术开发有限公司 | Assembled air filter that strains at beginning of two of module |
| CN205209072U (en) * | 2015-12-02 | 2016-05-04 | 何志斌 | Liquid nitrogen and nitrogen gas apparatus for producing based on air separation technique |
-
2016
- 2016-12-28 CN CN201611272536.4A patent/CN108253731A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105327555A (en) * | 2015-11-27 | 2016-02-17 | 苏州兴亚净化工程有限公司 | Improved air purification and filtration device |
| CN105291306A (en) * | 2015-12-02 | 2016-02-03 | 何志斌 | Waste tire crushing and rubber powder producing line with liquid nitrogen production system |
| CN205201874U (en) * | 2015-12-02 | 2016-05-04 | 何志斌 | Take broken rubber powder apparatus for producing of junked tire of liquid nitrogen production system |
| CN205209072U (en) * | 2015-12-02 | 2016-05-04 | 何志斌 | Liquid nitrogen and nitrogen gas apparatus for producing based on air separation technique |
| CN205199236U (en) * | 2015-12-10 | 2016-05-04 | 北京创新纪技术开发有限公司 | Assembled air filter that strains at beginning of two of module |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105466154B (en) | A kind of space division technique method | |
| CN210399702U (en) | Air separation system | |
| CN106989567A (en) | A kind of apparatus and method that oxygen rich gas and high pure nitrogen are produced while low energy consumption | |
| CN205209072U (en) | Liquid nitrogen and nitrogen gas apparatus for producing based on air separation technique | |
| CN212006434U (en) | Double-tower floor type cold box system and nitrogen making equipment | |
| CN104163404B (en) | Recoverying and utilizing method and the device of dirty oxide gas is regenerated in nitrogen purification process | |
| CN108253731A (en) | A kind of nitrogen production device | |
| CN209054853U (en) | The device of the liquid space division of oxygen is pressed in a kind of extraction | |
| CN108826829B (en) | Liquid carbon dioxide production process | |
| CN216845603U (en) | High-efficient dry dewatering system | |
| CN108253730A (en) | A kind of air separation of nitrogen production system | |
| CN206566661U (en) | A kind of waste gas cold treatment device | |
| CN204421486U (en) | The purification system of space division system | |
| CN204582839U (en) | A kind of comminutor emission-control equipment | |
| CN215939502U (en) | Methanol washing tower simultaneously suitable for three transformation systems | |
| CN113803961A (en) | Purification system of argon gas | |
| CN205616575U (en) | Lithium iron phosphate material finished product is nitrogen gas recovery system of recycling for drying | |
| CN205461672U (en) | Edible level carbon dioxide fine purifiation tower | |
| CN210374300U (en) | An air separation device for utilizing the waste heat of an air compressor | |
| CN202988735U (en) | Carbon dioxide recovery system for corn fermentation tank | |
| CN209944882U (en) | Large-scale empty rectification argon stripping equipment that divides | |
| CN208839293U (en) | A kind of tail gas white-smoke-removing device | |
| CN205472688U (en) | Biological fermentation abandonment carbon dioxide retrieves purification device | |
| CN210103456U (en) | Industrial vacuum adsorption type oxygen generation equipment | |
| CN206385043U (en) | Producing ethylene with acetylene hydrogenation crude product air lift hydrogen storage equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180706 |