CN100586543C - Gas mixer - Google Patents
Gas mixer Download PDFInfo
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- CN100586543C CN100586543C CN200810035472A CN200810035472A CN100586543C CN 100586543 C CN100586543 C CN 100586543C CN 200810035472 A CN200810035472 A CN 200810035472A CN 200810035472 A CN200810035472 A CN 200810035472A CN 100586543 C CN100586543 C CN 100586543C
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- gas
- surge chamber
- unstrpped
- distribution tube
- gas input
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Abstract
The invention discloses a gas combination device, which comprises a first raw gas input tube (2); a second raw gas input tube (4); and a surge chamber (3), wherein the first end of the surge chamber is connected with the first raw gas input tube (2) and the second end of the surge chamber is connected with the second raw gas input tube (4); a gaseous mixture output tube (8) is connected with the third end of the surge chamber (3) opposite to the first end of the surge chamber; a plurality of gas distribution tubes (4) are distributed on the cross section of the surge chamber with one end of the gas distribution tubes (5) communicating with the fluid in the first raw gas input tube (2) through the first end of the surge chamber (3), and the other end of the gas distribution tubes (5) are communicated with the fluid in the gaseous mixture output tube (8) through the third end of the surge chamber (3); one or more gas input holes (6) are formed on the gas distribution tubes (5) in the surge chamber (3).
Description
Technical field
The present invention relates to a kind of blender that is applicable to that explosion hazard gases is uniform
Background technology
In gas-phase reaction, often two or more gas need be mixed.The gas cyaniding reaction is exactly to need to implement the example that gas mixes, and this gas cyaniding reaction at first makes oxygen-containing gas (being purity oxygen sometimes) fully mix with a kind of organic compound, makes it to take place oxidation reaction subsequently.The example that need carry out the reaction that this gas mixes has reaction, the methacrylaldehyde of propylene production methacrylaldehyde to prepare the reaction that acrylic acid reaction and hydrocarbon compound prepare butadiene, or the like.In these reactions, require two or more gases evenly to mix usually to improve reaction efficiency.
When carrying out the gas mixing, pay particular attention to the mixture that prevents organic compound and oxygen and form the blast area scope that enters.Therefore controlled evenly mixing fast and make the mixture composition leave blast area seems particularly important in mixed process.
In addition, in the oxidation reaction of hydro carbons, a kind of mist is flammable appropriate hydrocarbon gas, and another kind of gas is the oxygen-containing gas with combustion-supporting effect.Therefore require two kinds of gases to mix as quickly as possible, evenly mix the required time of staying or space (length), improve the security of equipment so that shorten (dwindling) fuel gas.
Summary of the invention
The purpose of this invention is to provide a kind of gas mixer, it is simple in structure, and by making gas molecule after the shearing of high velocity air, collision, kinetic energy and potential energy are changed mutually, reach the purpose of uniform distribution between gas molecule, mixing.Process is safe and reliable, mixing efficiency is high.
Therefore, the invention provides a kind of gas mixer, it comprises:
First kind of unstrpped gas input pipe (2);
Second kind of unstrpped gas input pipe (4);
Surge chamber (3), first end of described surge chamber (3) links to each other with described first kind of unstrpped gas input pipe (2), and second end of described surge chamber (3) links to each other with described second kind of unstrpped gas input pipe (4);
Mist efferent duct (8), it links to each other with opposing the 3rd end of first end of surge chamber (3);
Distribution many gas distribution tubes (5) in the cross sectional planes of surge chamber (3), an end of described gas distribution tube (5) is through first end and described first kind of unstrpped gas input pipe (2) fluid communication of surge chamber (3); The other end of described gas distribution tube (5) is through the 3rd end and described mist efferent duct (8) fluid communication of surge chamber (3);
Also have one or more gas input holes (6) on the gas distribution tube (5) in described surge chamber (3).
Description of drawings
Illustrate in greater detail the present invention below in conjunction with accompanying drawing.In the accompanying drawing:
Fig. 1 is the perspective view of the gas mixer of a better example of the present invention:
Fig. 2 is the profile of gas mixer of the present invention along A-A.
The specific embodiment
The invention provides a kind of gas mixer.As shown in Figure 1, apparatus of the present invention comprise first kind of unstrpped gas input pipe (2), second kind of unstrpped gas input pipe (4) and mist efferent duct (8).The caliber of these air shooters can be identical or different, depends on concrete reaction requirement.
The material that is used to form these air shooters can be identical or different, depends on concrete reaction requirement.The suitable non-limiting example that is used to make the material of air shooter has plastics (for example polytetrafluoroethylene (PTFE), polypropylene, Merlon etc.), metal (for example stainless steel, copper alloy, aluminium alloy etc.).Those of ordinary skill in the art can easily select suitable material to make described air shooter according to the reacting gas that specifically will mix.
Apparatus of the present invention also comprise a surge chamber (3), are used to make second kind of unstrpped gas will mixing to enter gas distribution tube (5), mix mutually with first kind of unstrpped gas.A side of described surge chamber (3) or an end (below be called first end) link to each other with described first kind of unstrpped gas input pipe (2), another side of described surge chamber (3) or the other end (below be called second end) link to each other with described second kind of unstrpped gas input pipe (4), another side of described surge chamber (3) or again an end (below be called the 3rd end) link to each other with described mist efferent duct (8).
In an example of the present invention, described surge chamber (3) is a cylinder, its bottom (being described first end) links to each other with described first kind of unstrpped gas input pipe (2), cylindrical side (i.e. second end) links to each other with described second kind of unstrpped gas input pipe (4), and its top (being described the 3rd end) is connected with described mist efferent duct (8).
The gas distribution tube of apparatus of the present invention (5) is that one section gas is carried distributing pipe, and its caliber cross section is slightly smaller than the caliber of unstrpped gas input pipe (2) and mist efferent duct (8).
In another example of the present invention, the described first unstrpped gas input pipe (2) has identical caliber with mist efferent duct (8).Described surge chamber (3) is one section columniform pipeline, and the described second unstrpped gas input pipe (4) is connected on the sidewall of described surge chamber (3).
The longitudinal length of described surge chamber (3) is without particular limitation.In general, the longitudinal length of described surge chamber (3) should be enough to make the flow of second kind of unstrpped gas to satisfy the requirement of concrete hybrid reaction.Those of ordinary skill in the art can easily determine the longitudinal length of required surge chamber (3) according to the requirement of concrete hybrid reaction.
Distribution many gas distribution tubes (5) in the cross sectional planes of surge chamber (3), these gas distribution tubes (5) can be evenly or are distributed in unevenly in the cross sectional planes of described surge chamber (3).One end of described gas distribution tube (5) is through first end and described first kind of unstrpped gas input pipe (2) fluid communication of surge chamber (3); The other end of described gas distribution tube (5) is through the 3rd end and described mist efferent duct (8) fluid communication of surge chamber (3).
Because the even back that distributes of second kind of unstrpped gas (10) enters in the gas distribution tube (5) by gas input hole (6) and mixes mutually with first kind of unstrpped gas (1) in this surge chamber (3), suitable for guaranteeing the flow velocity of first kind of unstrpped gas in gas distribution tube (5), the sectional area of gas distribution tube (5) needs to account for certain ratio in the sectional area of unstrpped gas input pipe (2).
In addition, for make surge chamber (3) the interior each point second kind of unstrpped gas in position (10) pressure evenly, guarantee that all single tube mixed effect unanimities of gas distribution tube (5), surge chamber (3) need have enough spaces to guarantee that second kind of unstrpped gas (10) evenly distributes fast.
Therefore, take into account above-mentioned two kinds of requirements, in an example of the present invention, the sectional area of gas distribution tube (5) accounts for the 30-70% of unstrpped gas input pipe (2) sectional area, better accounts for 40-60%, better accounts for 45-55%.
The caliber and the quantity of gas distribution tube (5) are without particular limitation, as long as can make the flow of two kinds of unstrpped gases and pressure satisfy above-mentioned requirements.Those of ordinary skill in the art can choose arbitrarily according to its ratio shared in the cross section of surge chamber (3), and is different with different mists.In an example of the present invention, the caliber of gas distribution tube (5) is 10-25mm, is preferably 10-20mm, more preferably 15-20mm.
The material that is used to make gas distribution tube (5) is without particular limitation, and its non-limiting example has for example polytetrafluoroethylene (PTFE), polypropylene, stainless steel, copper alloy, aluminium alloy etc.Those of ordinary skill in the art can easily select suitable material to make gas distribution tube (5) according to the gas that specifically will mix.
Also have one or more gas input holes (6) on the gas distribution tube (5) in described surge chamber (3), its effect is to make second kind of unstrpped gas enter gas distribution tube (5) by this gas input hole (6), thereby mixes with the first kind of unstrpped gas that vertically flows in gas distribution tube (5).
In a better example of the present invention, the opening of described gas input hole (6) becomes vertical direction towards the input direction with first kind of unstrpped gas.The present invention another preferably in the example, the opening of described gas input hole (6) is towards the input direction of second kind of unstrpped gas.
The distribution density that goes up gas input hole (6) at described gas distribution tube (5) is without particular limitation, as long as can reach the purpose that two kinds of gases mix mutually with the ratio of regulation.In an example of the present invention, the density of described gas input hole (6) on gas distribution tube (5) is 10-100/rice.Be preferably 20-80/rice, more preferably 30-60/rice.
Shape and area at the above gas input hole of gas distribution tube (5) are without particular limitation, as long as reach the purpose that two kinds of gases mix mutually with the ratio of regulation.In a better example of the present invention, described gas distribution tube (5) is that caliber is the pipe of 10-25mm, and described gas input hole (6) is that the aperture is the section of 1.0-2.5mm on this pipe sidewall.
Apparatus of the present invention also can connect the pipeline of one section filling filler between mist efferent duct (8) and surge chamber (3), to adjust the flow velocity and the flow direction of mist, make it to mix more equably.Described filler can be any filler to the mist inertia, for example glass fibre etc.The purpose of filling filler is output speed and the direction in order to adjust mist, so that make it to mix more even.Therefore, according to the purpose of using this filler, those of ordinary skill in the art can easily determine the loading density of described filler.
In sum, the present invention relates to a kind of gas mixer, as shown in Figure 1, it comprises first kind of unstrpped gas input pipe (2), second kind of unstrpped gas input pipe (4), surge chamber (3), and mist efferent duct (8).Distribution many gas distribution tubes (5) also have one or more gas input holes (6) on the gas distribution tube (5) in described surge chamber (3) in the cross sectional planes of surge chamber (3).
Described gas distribution tube (5) is distributed in the gas buffer chamber (3) vertically, and its cross section is arranged and seen Fig. 2.Though Fig. 2 provides 4 gas distribution tubes (5), this only is illustrative, scope of the present invention is not constituted any restriction.
Gas distribution tube (5) in gas buffer chamber (3) has one or more gas input holes (6).The opening direction of gas input hole becomes to be arranged vertically with the input direction of first kind of unstrpped gas and towards the input direction of second kind of unstrpped gas, aperture and hole number depend on character and the flow that needs mist.
During use, first kind of unstrpped gas (1) is entered in gas distribution tube (5) pipe by unstrpped gas input pipe (2), and second kind of unstrpped gas (10) enters surge chamber (3) by input pipe (4), and uniform back enters in gas distribution tube (5) pipe by input hole (6).Two kinds of gas mixing and mobile mutually in distributor pipe towards the direction of mist efferent duct (8) by gas-powered pressure.The pressure of two kinds of gases of control can make mist flow towards the direction of gas efferent duct.
In reaction, use gas mixer of the present invention can make the relative root-mean-square-deviation of the density of propylene of each point in the same cross section of mixing arrangement less than 2% (the aerial explosion limit of propylene is 2-11vol%) with the air oxidation propylene.
Mixing arrangement of the present invention has following advantage:
1) gas is quickly and evenly and safely mixed mutually, and not have the danger of blast;
2) simple in structure, easily manufactured, the draw ratio between 0.5-3 just can be mixed effectively, and is general , draw ratio is 2 o'clock, mixed effect is especially good;
3) position distribution and the bore by gas input hole on the control gas distribution tube can make pressure drop be down to minimum;
4) can control as required gas input hole number, bore and the opening direction of gas distribution tube.
After having read this specification, the common skill of this area in the situation that does not depart from spirit and scope of the invention Art personnel be not difficult to its carry out various changes and modifications (for example change delivery outlet direction, gas distribution tube relatively Distribute etc.). Scope of the present invention comprises these changes and improvements.
Claims (7)
1. gas mixer, it comprises:
First kind of unstrpped gas input pipe (2);
Second kind of unstrpped gas input pipe (4);
Surge chamber (3), first end of described surge chamber (3) links to each other with described first kind of unstrpped gas input pipe (2), and second end of described surge chamber (3) links to each other with described second kind of unstrpped gas input pipe (4);
Mist efferent duct (8), it links to each other with opposing the 3rd end of first end of surge chamber (3);
Distribution many gas distribution tubes (5) in the cross sectional planes of surge chamber (3), an end of described gas distribution tube (5) is through first end and described first kind of unstrpped gas input pipe (2) fluid communication of surge chamber (3); The other end of described gas distribution tube (5) is through the 3rd end and described mist efferent duct (8) fluid communication of surge chamber (3);
Also have one or more gas input holes (6) on the gas distribution tube (5) in described surge chamber (3).
2. gas mixer as claimed in claim 1 is characterized in that described device also comprises one section pipeline that filler is housed between described surge chamber (3) and gas output tube (8).
3. gas mixer as claimed in claim 1 or 2, the opening that it is characterized in that described gas input hole (6) is towards becoming to be arranged vertically with the input direction of first unstrpped gas.
4. gas mixer as claimed in claim 3 is characterized in that the input direction of the opening of described gas input hole (6) towards first unstrpped gas.
5. gas mixer as claimed in claim 1 or 2 is characterized in that described gas distribution tube (5) is evenly arranged in the cross sectional planes of surge chamber (3).
6. gas mixer as claimed in claim 1 or 2 is characterized in that the sectional area of described gas distribution tube (5) accounts for the 30-70% of unstrpped gas input pipe (2) sectional area.
7. gas mixer as claimed in claim 1 or 2 is characterized in that the density of described gas input hole (6) on gas distribution tube (5) is 10-100/rice.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810035472A CN100586543C (en) | 2008-04-02 | 2008-04-02 | Gas mixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810035472A CN100586543C (en) | 2008-04-02 | 2008-04-02 | Gas mixer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101249392A CN101249392A (en) | 2008-08-27 |
| CN100586543C true CN100586543C (en) | 2010-02-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810035472A Active CN100586543C (en) | 2008-04-02 | 2008-04-02 | Gas mixer |
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| CN (1) | CN100586543C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107842341A (en) * | 2017-10-25 | 2018-03-27 | 中国海洋石油总公司 | A kind of exploitation of gas hydrates monitoring analogue means and method |
| WO2019080029A1 (en) * | 2017-10-26 | 2019-05-02 | 盐城文治机械有限公司 | Quick and uniform gas mixer |
| FR3093444B1 (en) * | 2019-03-06 | 2021-03-05 | Centre Nat Rech Scient | Microfluidic gas mixture generator |
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| Publication number | Publication date |
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| CN101249392A (en) | 2008-08-27 |
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Effective date of registration: 20170120 Address after: 201424 Fengxian District Cang Road, lane, Lane 357, room 100, room 295 Patentee after: Shanghai Hua Yi new material Co., Ltd Address before: 200137 Pudong North Road, Shanghai, No. 2031 Patentee before: Shanghai Huayi Acrylic Acid Co., Ltd. |