CN203159218U - Negative-pressure process roll type membrane-process oxygen-making device - Google Patents
Negative-pressure process roll type membrane-process oxygen-making device Download PDFInfo
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- CN203159218U CN203159218U CN 201320070069 CN201320070069U CN203159218U CN 203159218 U CN203159218 U CN 203159218U CN 201320070069 CN201320070069 CN 201320070069 CN 201320070069 U CN201320070069 U CN 201320070069U CN 203159218 U CN203159218 U CN 203159218U
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- oxygen
- permeable membrane
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Abstract
The utility model discloses a negative-pressure process roll type membrane-process oxygen-making device. The negative-pressure process roll type membrane-process oxygen-making device comprises an air blower box body, an air filter, an air blower, a membrane module box body, an oxygen permeable membrane module and a mechanical reciprocating oil-free vacuum pump, wherein the air blower box body and the air filter are combined to be an integer; the air blower is arranged on the inner part of the air blower box body; a gas inlet and a gas outlet are formed on the membrane module box body; the oxygen permeable membrane module is arranged on the inner part of the membrane module box body and provided with a plurality of oxygen permeable membrane elements; an outlet of the air blower is connected with a gas inlet of the membrane module box body; a gas outlet of the membrane module box body is connected with an inlet of the mechanical reciprocating oil-free vacuum pump. The mechanical reciprocating oil-free vacuum pump can be used for cooling outside a pump piston cylinder by virtue of a little water, and can be used in a circulating manner with low water quality requirements. Moreover, scale formation is unlikely to appear and the maintenance is convenient.
Description
Technical field
The application relates to the embrane method oxygenerator.
Background technology
China's all trades and professions are various Thermal Equipments such as the various boilers, kiln of fuel with coal, heavy oil and Sweet natural gas, have nearly 1,000,000 according to statistics; The quantity consumed of fuel is huge, simultaneously various Thermal Equipments such as boiler or the kiln of China, and its production capacity unit consumption all exceeds 20% even higher than developed country's hot supply equipment of the same race of the same trade; As the thermoelectricity industry boiler mark coal consumption 340g/KWh that on average generates electricity, developed country is less than 320g/KWh; Coal unit consumption 140KgCe/ ton grog is on average marked by cement industry China, exceeds about 30KgCe/ ton grog than external advanced level; The average unit consumption of heavy oil of glass industry China is 130Kg/ ton glass metal, than the high about 30Kg/ ton glass metal of external advanced glass furnace, etc.Therefore, China's industry high energy consumption industry, energy-saving potential and space are very big, and exploitation effective energy saving technology and technology are significant.
Air contains oxygen 20.9%, and remainder is mainly nitrogen, reacts the air that oxygen is provided for fuel combustion, and a large amount of nitrogen are heated to 1400-1500 ℃ under envrionment temperature in combustion processes, has absorbed a large amount of heats from fuel; Although fume emission has heat recovery system (economizer or air preheater), a large amount of nitrogen are discharged (130-150 ℃) from air preheater, still take away a large amount of heats in stove.If the minimizing nitrogen amount, namely oxygen-enriched combusting obviously can reduce calorific loss; Oxygen-enriched combusting can improve combustion flame temperature simultaneously, increase radiative transfer intensity in the stove, and radiative transfer intensity is directly proportional with the difference of the biquadratic of flame temperature and stove internal heating surface temperature.Because oxygen-enriched combusting has this two aspect, thereby is one of effective energy saving technology.
The embrane method oxygenerating technology that occurs at present on the market, mainly be with water ring vacuum pump as driving power, the subject matter of existence is: the firstth, the water ring vacuum pump mechanical efficiency is low, the system energy consumption height; The secondth, water ring vacuum pump must consume big water gaging, if water quality inferiority just the interior short period of time of pump fouling occurs because water temperature rises, is safeguarded extremely inconvenience; The 3rd is that system must install steam tripping device and equipment additional, and oxygen-rich air is separated to obtain dry oxygen-rich air with water and water vapour; The 4th, oxygen-rich air needs preheating to be higher than 100 ℃ at least simultaneously, needs other Design and Machining air preheater, to most of boilers scene, another large-scale air preheater is installed in existing boiler systems, and is very difficult, not even reality.
In addition, when utilizing oxygen-enriched membrane oxygen-producing, oxygen permeable membrane desired raw material air is necessary, still, has mechanical impuritys such as a large amount of dust in the air, can influence the work-ing life of oxygen permeable membrane.
The utility model content
The utility model provides a kind of negative pressure flow process rolled film method oxygenerator easy to maintenance, simple in structure.
The utility model provides a kind of negative pressure flow process rolled film method oxygenerator, comprise fan box, air filter, blower fan, film group casing, oxygen permeable membrane group and mechanical reciprocating type oilless vacuum pump, described fan box and described air filter are combined integrated, described blower fan is located at the inside of described fan box, described film group casing has inlet mouth and air outlet, described oxygen permeable membrane is mounted on the inside of described film group casing and has a plurality of oxygen permeable membrane elements, the outlet of described blower fan is connected with the inlet mouth of described film group casing, and the air outlet of described film group casing is connected with the import of the reciprocating type oilless vacuum pump of described machinery.
But Nei Ge has the fan box, Nei Ge of blower fan to have the film group casing of oxygen permeable membrane group and mechanical reciprocating type oilless vacuum pump straight line to connect, the modularization recombinant, can easily solve apparatus processing, transportation, the on-the-spot inconvenience of installing, make extensive tolerance oxygenerator in the field of employment, realize easily, reliably.
Described fan box is square box, and it has four facades, and each the described facade all described air filter corresponding with it is combined integrated and form the plane and filter.
Described oxygen permeable membrane element is rolling oxygen permeable membrane element.
The quantity of oxygen permeable membrane element determines oxygen making amount; Oxygen making amount is big and little, can realize atm number oxygen processed by the oxygen permeable membrane group of greater amt in parallel.The motivating force of oxygen processed is provided by the reciprocating type oilless vacuum pump of machinery, i.e. the negative pressure flow process.Range of negative pressure designs as requested, as-0.03～-0.08MPa.
Each described rolling oxygen permeable membrane element Bing Lian She Ge, it all has the pipe core of hollow out, and each described pipe core is parallel, the closed bottom of each described pipe core, the top of each described pipe core is connected with same oxygen-rich air effuser, and described oxygen-rich air effuser is connected with described air outlet.
Described film group casing is square box, and the lower end of described film group box house has for the bellows that air imported each described rolling oxygen permeable membrane element, and described bellows are connected with described inlet mouth.
The width of described film group casing and fan box is with highly all identical.
The air outlet of described film group casing is identical with the medullary ray height of the import of the reciprocating type oilless vacuum pump of described machinery; The concentricity line of inlet mouth of the outlet of described blower fan and described film group casing.
The inlet mouth of the outlet of described general mood and described film group casing is flexible coupling; The import of the air outlet of described film group casing and the reciprocating type oilless vacuum pump of described machinery is flexible coupling.
The beneficial effects of the utility model are: mechanical reciprocating type oilless vacuum pump only needs less water to do cooling usefulness outside the pump piston cylinder, and can recycle, and is not high to water quality requirement, and is not easy to occur fouling, easy to maintenance; Oxygen-rich air is given vent to anger and is had certain temperature, can not need to consider to install additional in addition air preheater, at the scene of using the oxygen-rich air transport pipe is done common insulation and gets final product, and then simplify the structure; Fan box and air filter are combined integrated, effective dust removal by filtration, and then effectively protect the oxygen permeable membrane group, improve the work-ing life of oxygen permeable membrane group.
Description of drawings
Fig. 1 is the structural representation of present embodiment.
Embodiment
By reference to the accompanying drawings the utility model is described in further detail below by embodiment.
A kind of negative pressure flow process rolling oxygenerator, as shown in Figure 1, comprise fan box 1, air filter 4, blower fan 5, film group casing 2, oxygen permeable membrane group 10 and mechanical reciprocating type oilless vacuum pump 3, fan box 1 is combined integrated with air filter 4, blower fan 5 is located at the inside of fan box 1, oxygen permeable membrane group 10 is located at the inside of film group casing 2 and is had a plurality of oxygen permeable membrane elements 15, the outlet 6 of blower fan is connected with the inlet mouth 7 of film group casing, and the air outlet 11 of film group casing is connected with the import 12 of mechanical reciprocating type oilless vacuum pump.
During blower fan work, air filters laggard fan box 1 inside of going into through air filter 4, and enter the inside of film group casing 2 behind the inlet mouth 7 of the outlet 6 by blower fan, film group casing, realize atm number oxygen processed via oxygen permeable membrane group 10, utilize negative pressure to extract out by the reciprocating type oilless vacuum pump of machinery at last.
The oxygen permeable membrane group can comprise a plurality of rolling oxygen permeable membrane elements, and each rolling oxygen permeable membrane element can Bing Lian She Ge.
A kind of negative pressure flow process rolled film method oxygenerator as shown in Figure 1, comprises fan box 1, air filter 4, blower fan 5, film group casing 2, oxygen permeable membrane group 10 and mechanical reciprocating type oilless vacuum pump 3.
Fan box 1 is square box, and it has four facades, and the equal aggregate erection of each facade has air filter 4 and forms the plane filtration.Each air filter can be fixed and clamped at each facade by the metal door sheet frame, and fixed form can satisfy the requirement that easy dismounting is removed and changed.Each facade all can be installed air filter by gross area.Air filter is as adopting the cotton plate-like structure body of filament cotton or mesopore foaming.
Oxygen permeable membrane group 10 is located at the inside of film group casing, and it comprises a plurality of rolling oxygen permeable membrane elements 15 in parallel.By the bellows 8 of blower fan outlet 6 air admission film group casing 2 interior lower end of sending here, the air with certain pressure passes the film runner realization oxygen processed of each rolling oxygen permeable membrane element 15; The pipe core 14 of rolling oxygen permeable membrane element is connected with oxygen-rich air effuser 9, under the negative pressure draft of the reciprocating type oilless vacuum pump 3 of machinery, enters vacuum pump from the air outlet 11 of film group casing, is sent by vacuum pump outlet 13.Each pipe core 14 is the Hang Fang Ge of Ping vertically, and oxygen-rich air effuser 9 can Shui Ping Fang Ge.
The inlet mouth 7 of film group casing and the outlet 6 of fan box can be adopted the mode that is flexible coupling; The air outlet 11 of film group casing and the import 12 of vacuum pump can be adopted and be flexible coupling, and can install shockproof vacuum meter additional in this hard tube section that is flexible coupling; Vacuum pump outlet 13 can install shockproof tensimeter additional.
Fan box and film group casing can be square box, the width of these two square box and highly can be designed as same size.The medullary ray height of the air outlet 11 of film group casing 2 and the import 12 of vacuum pump can be identical, to guarantee the integral tuned property of oxygenerator.
The width of two square box can be consistent, need keep " case is wide " during installation on same straight line; Therefore, the outlet 6 of fan box 1 can concentricity line with the inlet mouth 7 of film group casing 2.
According to the negative pressure flow process rolled film method oxygenerator that the utility model proposes, at first be the type selecting of mechanical reciprocating type oilless vacuum pump, blower fan and rolling oxygen permeable membrane element, the principle of type selecting is as follows:
Working curve according to rolling oxygen permeable membrane element: flow--working curve of pressure curve, vacuum pump: pumping speed--curve of vacuum, be converted into comparable unit and dimension and map at the same coordinate system, article two, the point of crossing of the curve flow that is design is oxygen enrichment tolerance, according to the gas production rate of each oxygen permeable membrane element, namely know the quantity of oxygen permeable membrane element.
Article two, curved intersection point corresponding flow namely is the pumping speed of vacuum pump, the concrete model of hence one can see that vacuum pump and matched power etc.
Article two, the corresponding pressure (or vacuum tightness) of curved intersection point namely is the operating pressure (or vacuum tightness) of oxygenerator; The optimum working pressure point of this baric flow journey rolled film method oxygenerator is :-0.075MPa.
According to amount of oxygen processed, select for use the blower fan principle to be: air quantity 〉=5 times amount of oxygen processed, blast 〉=2500Pa; Be 5～10 times of amount of oxygen processed as fan delivery, blast is 2500～5000Pa.
The parameter type selecting of rolling oxygen permeable membrane element is as follows: under the condition of operating pressure-0.075MPa, envrionment temperature 5-35 ℃, sea level elevation＜1000 meter, and every membrane element gas production rate 〉=20Nm
3/ h, oxygen-rich concentration 〉=28%; Membrane element size ￠ 200 * 1000.
Fan box and film group tank material can adopt common A
3Sheet material, thickness 1-2 millimeter are made, and sheet material need eliminate rust, outside surface is done physics spraying or baking vanish.
Oxygenerator is ， Pei Ge electrical control after having determined living load.
The operational condition of oxygenerator: envrionment temperature 5-35 ℃, the working pressure scope :-0.05～-0.08MPa.
The Specifeca tion speeification of oxygenerator: oxygen-rich concentration 28-32%; Oxygen making amount 40-1200Nm
3/ monofilm group; Oxygen-rich air temperature 〉=120 ℃.
For the embrane method oxygenerator, it selects mechanical reciprocating type oilless vacuum pump for use, has solved the problem that existing water ring vacuum pump exists.The reciprocating type oilless vacuum pump of machinery only needs less water to do cooling usefulness outside the pump piston cylinder, and can recycle, and is not high to water quality requirement; Importantly, the oxygen-rich air air outlet temperature can reach 120-150 ℃, need not to consider to install additional in addition air preheater, at the scene of using the oxygen-rich air transport pipe is done common insulation and gets final product; Calculate according to thermal equivalent of work, be equivalent to the oxygenerator system energy consumption and reduce about 30-40%.
For the embrane method oxygenerator, it adopts oxygen nitrogen separation factor is 2 rolling oxygen permeable membrane, because " fresh " air that its separation principle has determined to provide enough is as the unstripped gas of oxygen permeable membrane, the oxygen partial pressure that namely acts on the front of film must be constant, be unlikely to take place on the film surface concentration polarization of " oxygen ", " nitrogen ", influence the oxygen concn of per-meate side; For this reason, at the product membrane element--rolling oxygen permeable membrane element, or in the suite of equipment that becomes of film fabric, need blower fan that enough air quantity and pressure is provided is constant with the dividing potential drop of each composition of air of guaranteeing to overcome membrane element inner flow passage resistance caudacoria surface.
For the embrane method oxygenerator, its air filtering method that adopts is: with complete blower design in a square casing, utilize four facades of square box than big area, air filter is installed; Because filtration area is big, flow velocity is low during air process strainer, and dust removal by filtration is effective; Be convenient to installation, filter material cleaning and replacing simultaneously.
The utility model negative pressure flow process rolled film method oxygenerator can be applied in the energy-saving device of boiler, be in the disclosed energy saver of CN202274482U as notification number, it also can be adapted to the Thermal Equipment reducing energy consumption of other medium small boiler, kiln or other type; During the device design, consider multiple industry and the different type of furnaces, be convenient to transportation and on-the-spot the installation.
Above content be in conjunction with concrete embodiment to further describing that the utility model is done, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, under the prerequisite that does not break away from the utility model design, can also make some simple deduction or replace.
Claims (8)
1. negative pressure flow process rolled film method oxygenerator, it is characterized in that, comprise fan box, air filter, blower fan, film group casing, oxygen permeable membrane group and mechanical reciprocating type oilless vacuum pump, described fan box and described air filter are combined integrated, described blower fan is located at the inside of described fan box, described film group casing has inlet mouth and air outlet, described oxygen permeable membrane is mounted on the inside of described film group casing and has a plurality of oxygen permeable membrane elements, the outlet of described blower fan is connected with the inlet mouth of described film group casing, and the air outlet of described film group casing is connected with the import of the reciprocating type oilless vacuum pump of described machinery.
2. negative pressure flow process rolled film method oxygenerator as claimed in claim 1 is characterized in that described fan box is square box, and it has four facades, and each the described facade all described air filter corresponding with it is combined integrated.
3. negative pressure flow process rolled film method oxygenerator as claimed in claim 2 is characterized in that described oxygen permeable membrane element is rolling oxygen permeable membrane element.
4. negative pressure flow process rolled film method oxygenerator as claimed in claim 3, it is characterized in that, each described rolling oxygen permeable membrane element Bing Lian She Ge, it all has the pipe core of hollow out, each described pipe core is parallel, the closed bottom of each described pipe core, the top of each described pipe core is connected with same oxygen-rich air effuser, and described oxygen-rich air effuser is connected with described air outlet.
5. negative pressure flow process rolled film method oxygenerator as claimed in claim 4, it is characterized in that, described film group casing is square box, and the lower end of described film group box house has for the bellows that air imported each described rolling oxygen permeable membrane element, and described bellows are connected with described inlet mouth.
6. negative pressure flow process rolled film method oxygenerator as claimed in claim 5 is characterized in that the width of described film group casing and fan box is with highly all identical.
7. as any described negative pressure flow process rolled film method oxygenerator among the claim 1-6, it is characterized in that the air outlet of described film group casing is identical with the medullary ray height of the import of the reciprocating type oilless vacuum pump of described machinery; The concentricity line of inlet mouth of the outlet of described blower fan and described film group casing.
8. negative pressure flow process rolled film method oxygenerator as claimed in claim 7 is characterized in that the inlet mouth of the outlet of described general mood and described film group casing is flexible coupling; The import of the air outlet of described film group casing and the reciprocating type oilless vacuum pump of described machinery is flexible coupling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320070069 CN203159218U (en) | 2013-02-06 | 2013-02-06 | Negative-pressure process roll type membrane-process oxygen-making device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320070069 CN203159218U (en) | 2013-02-06 | 2013-02-06 | Negative-pressure process roll type membrane-process oxygen-making device |
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| Publication Number | Publication Date |
|---|---|
| CN203159218U true CN203159218U (en) | 2013-08-28 |
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ID=49020421
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320070069 Expired - Fee Related CN203159218U (en) | 2013-02-06 | 2013-02-06 | Negative-pressure process roll type membrane-process oxygen-making device |
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| Country | Link |
|---|---|
| CN (1) | CN203159218U (en) |
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2013
- 2013-02-06 CN CN 201320070069 patent/CN203159218U/en not_active Expired - Fee Related
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| 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: 20130828 Termination date: 20150206 |
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| EXPY | Termination of patent right or utility model |