CN201518692U - Movable nitrogen charging and oxygen reducing device adopting membrane method for granaries - Google Patents
Movable nitrogen charging and oxygen reducing device adopting membrane method for granaries Download PDFInfo
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- CN201518692U CN201518692U CN2009202237251U CN200920223725U CN201518692U CN 201518692 U CN201518692 U CN 201518692U CN 2009202237251 U CN2009202237251 U CN 2009202237251U CN 200920223725 U CN200920223725 U CN 200920223725U CN 201518692 U CN201518692 U CN 201518692U
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Abstract
The utility model relates to a movable nitrogen charging and oxygen reducing device adopting membrane method for granaries, which effectively resolves problems of poor air tightness, high cost and complicated operation of air conditioning grain storage. The device is characterized in that a control panel is arranged on a cooling and drying machine on a frame, an ultra-precision filter and a carbon bed filter are installed on the cooling and drying machine on the rear portion of the control panel, an electric cabinet is mounted on the control panel, and an electric heater is arranged on one side of the ultra-precision filter and the carbon bed filter; a precision filter and an oil-water filter are arranged on the rear portion of an air compressor inside the frame, and a membrane separator is disposed on the air compressor; and an air inlet of the membrane separator is connected with an outlet of the electric heater, an inlet of the electric heater is connected with an outlet of the carbon bed filter connected to an outlet of the ultra-precision filter which is connected to the cooling and drying machine, the cooling and drying machine is connected with the precision filter connected to the oil-water filter, the oil-water filter is connected to the air compressor, an inlet of the air compressor is provided with a circular flow inlet, and the air compressor, the electric heater, the cooling and drying machine are connected to the electric cabinet. The device has the advantages of high separation efficiency and low cost.
Description
One, technical field
The utility model content relates to silo equipment, and the portable embrane method of particularly a kind of silo is filled nitrogen and fallen the oxygen device.
Two, technical background
Along with the improving constantly and building a well-off society in an all-round way and the deepening continuously of harmonious society of China's living standards of the people, pollution-free food has obtained fast development." green cereal " is the raw material that green oil and foodstuffs is produced, its storage link is the key link that guarantees pollution-free food production, be accompanied by the fast development of green oil and foodstuffs, the research and development of green cereal storage technology and application more and more come into one's own, but, the grain storage pest controlling technology of using can't satisfy the storage needs of " green cereal " at present, therefore, studying green pest control technology becomes the development key of green cereal storage technology, controlled atmosphere control grain storage pest technology is with practicality, green, nuisanceless is the grain storage pest controlling technology of principal character, the ca cold storage technology exists longer history in China, the experimental research of oxygen manually falls in nineteen seventies in the many areas of China, for the ca cold storage The Application of Technology provides sufficient data.Developed rapidly in twentieth century this technology of 90 year age Mo.The ca cold storage technology has developed into mechanization and automatic control stage in recent years.China has begun to use the gas generator grain storage at present, oxygen determination, survey CO
2Equipment and temperature control instrument have also obtained application, and high performance oxygen scavenger is also constantly manufactured experimently.And successfully developed CO
2The concentration computer detection system simultaneously, has been realized CO
2The automatic supply of concentration, in the recent period, China plans to reach at the single holding capacity of bin of Waigaoqiao of Shaihai construction the controlled atmosphere silo of 1.4 ten thousand tons (long 78 meters, wide 42 meters), indicates that China's air-conditioning storing grain technology has reached advanced international standard.But, CO
2The air-conditioning storing grain technology can't be applied the restriction that is subjected to two factors on a large scale in China: the one, account for a large number of chamber storehouse in China, and do not consider CO during owing to design
2The requirement that controlled atmosphere is handled, bubble-tight requirement can't reach, and makes many grain depots can't use CO
2Air-conditioning storing grain; The 2nd, present CO
2Air-conditioning storing grain cost and usage charges are higher, and operation is complicated, and input and output is higher than not, so imperative to present air-conditioning storing grain equipment improvement.
Three, utility model content
At above-mentioned situation, for overcoming the prior art defective, the purpose of the utility model content just provides the portable embrane method of a kind of silo and fills nitrogen and fall the oxygen device, can effectively solve the existing bubble-tight requirement of air-conditioning storing grain can't reach, the cost height, the problem of complicated operation, the technical scheme of its solution is, a side has cooling driers in the frame, control panel is arranged on the cooling driers, there is ultraprecise filter and the carbon bed filter that is contained on the cooling driers at the control panel rear portion, in the frame on the control panel electric cabinet is arranged, ultraprecise filter and carbon bed filter one side have electric heater, opposite side has air compressor in the frame, there are accurate filter and oil and water filters in the air compressor rear portion, membrane separator is arranged on the air compressor, air intlet on the membrane separator is connected through pipeline and electric heater outlet, there is import to be connected on the electric heater through pipeline and the outlet of carbon bed filter, carbon bed filter upper inlet is connected through pipeline and ultraprecise filter outlet, ultraprecise filter inlet and cooling driers outlet are connected, cooling driers import and accurate filter outlet are connected, accurate filter import and oil and water filters outlet are connected, oil and water filters import and air compressor outlet are connected, circulation air inlet, air compressor are equipped with in the air compressor import, electric heater, cooling driers is connected with electric cabinet respectively through electric wire.The utility model floor space is little, in light weight, separative efficiency is high, and expense is low, is an innovation on the silo equipment.
Four, description of drawings
Fig. 1 is a structural front view of the present utility model.
Fig. 2 is a structure vertical view of the present utility model.
Five, the specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present utility model is elaborated.
Provide by Fig. 1-Fig. 2, a side has cooling driers 9 in the utility model frame 8, control panel 20 is arranged on the cooling driers, there is ultraprecise filter 5 and the carbon bed filter 3 that is contained on the cooling driers at the control panel rear portion, electric cabinet 17 is arranged in the frame on the control panel, ultraprecise filter 5 and carbon bed filter 3 one sides have electric heater 4, opposite side has air compressor 2 in the frame, there are accurate filter 6 and oil and water filters 7 in air compressor 2 rear portions, membrane separator 1 is arranged on the air compressor 2, air intlet on the membrane separator 1 is connected through pipeline and electric heater 4 outlets, there is import to be connected on the electric heater 4 through pipeline and 3 outlets of carbon bed filter, carbon bed filter 3 upper inlets are connected through pipeline and 5 outlets of ultraprecise filter, 5 imports of ultraprecise filter and cooling driers 9 outlets are connected, cooling driers import and accurate filter 6 outlets are connected, accurate filter 6 imports and oil and water filters 7 outlets are connected, oil and water filters 7 imports and air compressor 2 outlets are connected, circulation air inlet 19 is equipped with in air compressor 2 imports, air compressor 2, electric heater 4, cooling driers 9 is connected with electric cabinet 17 respectively through electric wire.
In order to guarantee result of use, said frame is for conveniently moving, and movable pulley 18 is equipped with in the bottom; Nitrogen concentration control valve 10, sampling pressure control valve 11 arranged on the said control panel 20, go into film pressure table 12, sample flow meter 13, sampling pressure table 14 and oxygen analyzer 15; The nitrogen outlet 16 of said nitrogen concentration control valve 10 on pipeline and membrane separator 1 is connected; Said membrane separator 1 is a kind of cylindrical vessel, be equipped with inside is the hollow fiber film tube of hundreds of thousands root, hollow fiber film tube is a ring cylinder, external diameter is 0.2～0.4mm, internal diameter is 0.1～0.2mm, the intensity that does not under high pressure produce deformation is arranged, oxygen exhaust outlet 21 discharging directly into atmosphere are arranged on the membrane separator 1, access sample pressure-regulating valve 11 and go into film pressure table 12 and be connected by threeway on membrane separator 1 outlet conduit; The outlet of said sampling pressure control valve with is connected 13 imports of sample flow meter and is connected, connect outlet of sample flow meter and oxygen analyzer import and be connected, on the oxygen analyzer 15 outlet is arranged, the sampling pressure control valve exports and is connected with sampling pressure table 14 through pipeline; Said circulation air inlet 19 and the outlet of silo circulating line are connected; Said pipeline can according between each parts apart from length, adopt flexible pipe or hard tube; What said air compressor adopted is that the model that Guangzhou Linghein Compressor Manufacturing Co., Ltd. produces is the air compressor of L15-10, what frozen compressed air dryer adopted is that the model that many Ming Nikehande cleaning equipment (Shanghai) Co., Ltd. produces is the PD0300 frozen compressed air dryer, and what filter adopted is the filter that many Ming Nikehande cleaning equipment (Shanghai) Co., Ltd. produces.
The utility model is connected by circulation air inlet and the outlet of silo circulating line, nitrogen be can be recycled, thereby the effect that can effectively reach energy-conservation, reduce cost, its working condition is after air compresses through air compressor, through the cooling driers dehumidification, dew points at normal pressure can reach-23 ℃, pass through the filtration of one-level fore filter and two-stage accurate filter and activated carbon again, remove particle and mist of oil, the oil content in the compressed air can be reduced to below the 0.03ppm, also can remove by filter all solids particle of diameter greater than 0.01 μ m; Enter membrane separator 1 after being heated to about 45 ℃ through heater again, separate; Can obtain the high pressure nitrogen of pressure a little less than admission pressure, the concentration of nitrogen is the highest can to reach 99.9%, and the dew point of nitrogen can reach-60 ℃; Simultaneously can obtain oxygen-enriched air, the concentration of oxygen-enriched air is the highest can to reach 50%, when the rich nitrogen device of embrane method is operated, there is not special preliminary treatment to sucking gas, because the fast gas constituent content of removing is lower usually, when especially using flue gas and gas-turbine discharging gas, oxygen content is lower, unique requirement is to suck gas can not contain water, because water can be reversible or be irreversibly destroyed film and gas transmission rate is slowed down, its destructiveness is relevant with the form of membrane material itself and assembly thereof, for hollow-fibre membrane, thereby can making fiber stick together, the moisture content in the suction gas reduces the effective area of film, finally cause sucking the passage increase of gas and the product flow being descended, so, suck gas and must pass through self-draining filter in advance, to remove moisture content, in addition, can not have oil after sucking the compressed machine pressurization of gas, increase the resistance that sees through of gas because oil can form the irreversible overcoat of one deck on the film surface.
The utility model comprises three chief components, is respectively compressed air origin system, compressed air filtration, purification treatment system and film separation system:
The design considerations of doughnut film separation system:
Design gas production: 98% nitrogen 30Nm
3/ h
Design admission pressure: 0.8MPa
Design air inflow: 90Nm
3/ h
Design intake air temperature: 30 ℃
Design environment: 20 ℃ of relative humidity 70% of 1atm temperature
The membrane separator shell is: aluminum alloy materials; Pipeline and tube material: the gateway pipeline of membrane separator, pipe fitting are stainless steel material; Air compressor is the equipment gas of supplying raw materials, and selects helical-lobe compressor for use, the automaticity height, and intelligent operation can realize chain control with membrane module.The reliability height, low noise, filtration system, level Four is filtered, filter is followed successively by along airintake direction: WS-0058-C/AO-0058G-C/AA-0058G-C/ACS-0058G-C wherein: the WS-0058-C separator: be used for removing the moisture of compressed air, cyclonic separation does not have filter core; AO-0058G-C oil mist separator: the filter core of 1 μ m is housed, the mist of oil in the filtering and removing compressed air, condensate liquid and solid particle; The AA-0058G-C accurate filter: the filter core of 0.01 μ m is housed, removes through oil mist separator and filter remaining mist of oil in back and aqueous suspension particulate, the hydrocarbon content in the gas after the processing is less than 0.1ppm; ACS-0058G-C carbon bed filter: remove the oil gas in the source of the gas, thoroughly remove profit and impurity, oil water separator: filter the airborne oil of compression, condensate liquid and solid particle, carbon bed filter: remove the heavy hydrocarbon in the source of the gas, accurate filter: remaining oil and aqueous suspension particulate, molten oil content in the gas after the processing is less than 0.5ppm, ultraprecise filter: last filtration together, be purified to the suspended particulate substance diameter less than 0.01 μ m, oil content is less than 0.003ppm, cooling driers reduces into film temperature and air moisture content, select Britain's Dominica brand cooling driers for use, membrane separator 1TBM-N-510, material is a macromolecular material, it is the core component that gas separates, hollow-fibre membrane in the membrane separator 1, select Japanese UBE company for use, metering control system: form by oxygen analyzer and purity control valve, the oxygen content of oxygen analyzer continuous monitoring nitrogen product gas, by regulating the purity control valve, can control nitrogen gas purity, the electric control system controls air compressor machine, the parts of cooling driers and oxygen analyzer, control heating system: form by pipe heater, regulate the air inlet heating in the scope of setting (35-55 ℃) by PID, membrane separator 1 is worked under optimum condition.
Appearance and size of the present utility model, weight, power supply and applied environment:
1600*1400*1800mm weight: 600kg
Compressor: 380V (± 10%) 50Hz 3P 15kW
Cooling driers: 220V (± 10%) 50Hz 1P 0.75kW
Electrical heating: 380V (± 10%) 50Hz 3P 1.5kW
Annotate: wiring can only be undertaken by the competent person, otherwise can cause electric shock or fault
Source of the gas backflow import: G11/2 " hose connection DN40 PN0.6
Nitrogen outlet: G3/4 " gas thread DN20 PN1.6
Infiltration gas outlet: G11/2 " hose connection DN40 PN0.6 notes: must not stop up
Annotate: adapter can only be undertaken by the competent person, otherwise can cause danger
Environment temperature: 0--35 ℃ relative humidity: 10-90%
Important technological parameters of the present utility model:
Design condition: 20 ℃ of 1bar 50% relative humidity
A, raw gas flow 120m
3/ h
B, unstripped gas quality: oil content≤5ppm
Contain particle≤3 μ m
C, raw gas pressure 〉=1.0MPa
Compressed air temperature: environment temperature+12 ℃
D, product throughput 〉=30Nm
3/ h
E, nitrogen gas purity 〉=98%
F, nitrogen outlet pressure (under the atmospheric pressure) 〉=0.6MPa
G, product nitrogen gas dew point≤-40 ℃
H, product nitrogen gas temperature: general environment temperature+10 ℃
J, explosive-proof grade: do not have dangerous
K, duty 24 continuous throughout the twenty-four hour24s
L, start back product gas rise time≤5min
Membrane separator technical indicator: go into film temperature: 25-40 ℃
Go into film pressure: 0.8-0.95MPa
Nitrogen flow: 30-50Nm
3/ hr
Oxygen content :≤2-5%
Oxygen divides the instrument sampling parameters: pressure: 86-105KPa
Flow: 150-300ml/min
Air compressor: operating pressure: 0.80-0.98MPa
Advantage of the present utility model:
1, strong adaptability, Ke Duocang is public, satisfies the use of multiple different storehouses type, small investment, low, the high efficiency of energy consumption;
2, volume is little, in light weight, and is easy and simple to handle; The start-stop car is simple, aerogenesis is quick; The system architecture compactness does not have moving-member, static operation, and safe and reliable to operation continuously, maintenance cost is low;
3, the nitrogen gas concn of film separation and nitrogen-making production and gas production are continuously adjustable, can satisfy the multiple requirement that oxygen technology falls in nitrogen of filling, and when adopting low concentration nitrogen to fall oxygen, nitrogen output can be multiplied, and has improved the speed of falling oxygen and has reduced energy consumption;
4, noise is low, is particularly suitable for the operation in place, grain depot space;
5, adopt the film separation and nitrogen-making technology, the gas filling technology that falls oxygen has multiple mode, and this is that other system nitrogen technology can not realize.Falling oxygen technology mainly contains: (1) is directly filled nitrogen and is fallen oxygen; (2) circulation fills nitrogen and falls oxygen; (3) intersection is filled nitrogen and is fallen oxygen, adopts the combination of kinds of processes can improve the speed of falling oxygen, the energy consumption that oxygen falls in minimizing, the economic benefits of the rich nitrogen grain storage of raising hypoxemia.
6, automaticity height: the concentration of product and output, temperature and pressure all can be controlled on request automatically.
The utility model effectively solves the bubble-tight requirement of air-conditioning storing grain, has reduced cost, and simple to operate, economic and social benefit is remarkable.
Claims (8)
1. the portable embrane method of silo is filled nitrogen and is fallen the oxygen device, it is characterized in that, a side has cooling driers (9) in the frame (8), control panel (20) is arranged on the cooling driers, there is ultraprecise filter (5) and the carbon bed filter (3) that is contained on the cooling driers at the control panel rear portion, electric cabinet (17) is arranged in the frame on the control panel, ultraprecise filter (5) and carbon bed filter (3) one sides have electric heater (4), opposite side has air compressor (2) in the frame, there are accurate filter (6) and oil and water filters (7) in air compressor (2) rear portion, membrane separator (1) is arranged on the air compressor (2), air intlet on the membrane separator (1) is connected through pipeline and electric heater (4) outlet, there is import to be connected on the electric heater (4) through pipeline and carbon bed filter (3) outlet, carbon bed filter (3) upper inlet is connected through pipeline and ultraprecise filter (5) outlet, (5) import of ultraprecise filter and cooling driers (9) outlet are connected, cooling driers import and accurate filter (6) outlet is connected, accurate filter (6) import and oil and water filters (7) outlet are connected, oil and water filters (7) import and air compressor (2) outlet are connected, circulation air inlet (19) is equipped with in air compressor (2) import, air compressor (2), electric heater (4), cooling driers (9) is connected with electric cabinet (17) respectively through electric wire.
2. the portable embrane method of silo according to claim 1 is filled nitrogen and is fallen the oxygen device, it is characterized in that said frame is for conveniently moving, and movable pulley (18) is equipped with in the bottom.
3. the portable embrane method of silo according to claim 1 is filled nitrogen and is fallen the oxygen device, it is characterized in that nitrogen concentration control valve (10), sampling pressure control valve (11) are arranged on the said control panel (20), going into film pressure table (12), sample flow meter (13), sampling pressure table (14) and oxygen analyzer (15).
4. the portable embrane method of silo according to claim 3 is filled nitrogen and is fallen the oxygen device, it is characterized in that the nitrogen outlet (16) of said nitrogen concentration control valve (10) on pipeline and membrane separator (1) is connected.
5. the portable embrane method of silo according to claim 1 is filled nitrogen and is fallen the oxygen device, it is characterized in that, said membrane separator (1) is a kind of cylindrical vessel, be equipped with inside is the hollow fiber film tube of hundreds of thousands root, hollow fiber film tube is a ring cylinder, and external diameter is 0.2～0.4mm, and internal diameter is 0.1～0.2mm, oxygen exhaust outlet (21) discharging directly into atmosphere is arranged on the membrane separator (1), access sample pressure-regulating valve (11) and go into film pressure table (12) and be connected by threeway on membrane separator (1) outlet conduit.
6. the portable embrane method of silo according to claim 3 is filled nitrogen and is fallen the oxygen device, it is characterized in that, the outlet of said sampling pressure control valve be connected sample flow meter (13) import and be connected, connecting outlet of sample flow meter and oxygen analyzer import is connected, oxygen analyzer has outlet on (15), and the outlet of sampling pressure control valve is connected with sampling pressure table (14) through pipeline.
7. the portable embrane method of silo according to claim 1 is filled nitrogen and is fallen the oxygen device, it is characterized in that, said circulation air inlet (19) and the outlet of silo circulating line are connected.
8. the portable embrane method of silo according to claim 1 is filled nitrogen and is fallen the oxygen device, it is characterized in that said pipeline is flexible pipe or hard tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202237251U CN201518692U (en) | 2009-09-24 | 2009-09-24 | Movable nitrogen charging and oxygen reducing device adopting membrane method for granaries |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202237251U CN201518692U (en) | 2009-09-24 | 2009-09-24 | Movable nitrogen charging and oxygen reducing device adopting membrane method for granaries |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201518692U true CN201518692U (en) | 2010-07-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202237251U Expired - Fee Related CN201518692U (en) | 2009-09-24 | 2009-09-24 | Movable nitrogen charging and oxygen reducing device adopting membrane method for granaries |
Country Status (1)
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102047954A (en) * | 2010-11-01 | 2011-05-11 | 赵静 | Insect-prevention storage method |
| CN102309905A (en) * | 2011-09-26 | 2012-01-11 | 安徽省凯杰机械制造有限公司 | Granary air deoxidation device |
| CN105676810A (en) * | 2016-01-05 | 2016-06-15 | 合肥市徽腾网络科技有限公司 | Automatic control system for grain storage using nitrogen |
| CN108502854A (en) * | 2018-04-11 | 2018-09-07 | 天津森罗科技股份有限公司 | A kind of high-pressure membrane equipment of making nitrogen |
| CN109058751A (en) * | 2018-10-12 | 2018-12-21 | 西安昊池环保工程有限公司 | Wind power generating set lubricating oil refined filtration case and filtration system |
| CN109631030A (en) * | 2019-02-22 | 2019-04-16 | 北控清洁热力有限公司 | A kind of soot blower system of heating pulverized-coal fired boiler |
| CN112520712A (en) * | 2021-01-22 | 2021-03-19 | 杭州天跃气体设备制造有限公司 | Small-size membrane nitrogen preparation device |
-
2009
- 2009-09-24 CN CN2009202237251U patent/CN201518692U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102047954A (en) * | 2010-11-01 | 2011-05-11 | 赵静 | Insect-prevention storage method |
| CN102047954B (en) * | 2010-11-01 | 2012-11-07 | 山东省农业科学院 | Insect-prevention storage method |
| CN102309905A (en) * | 2011-09-26 | 2012-01-11 | 安徽省凯杰机械制造有限公司 | Granary air deoxidation device |
| CN105676810A (en) * | 2016-01-05 | 2016-06-15 | 合肥市徽腾网络科技有限公司 | Automatic control system for grain storage using nitrogen |
| CN108502854A (en) * | 2018-04-11 | 2018-09-07 | 天津森罗科技股份有限公司 | A kind of high-pressure membrane equipment of making nitrogen |
| CN109058751A (en) * | 2018-10-12 | 2018-12-21 | 西安昊池环保工程有限公司 | Wind power generating set lubricating oil refined filtration case and filtration system |
| CN109058751B (en) * | 2018-10-12 | 2023-12-22 | 大唐灵宝风力发电有限责任公司 | Lubricating oil fine filtering box and filtering system for wind generating set |
| CN109631030A (en) * | 2019-02-22 | 2019-04-16 | 北控清洁热力有限公司 | A kind of soot blower system of heating pulverized-coal fired boiler |
| CN112520712A (en) * | 2021-01-22 | 2021-03-19 | 杭州天跃气体设备制造有限公司 | Small-size membrane nitrogen preparation device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100707 Termination date: 20180924 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |