CN1242172A - Apparatus for sparging gases into liquid fluid flow - Google Patents
Apparatus for sparging gases into liquid fluid flow Download PDFInfo
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- CN1242172A CN1242172A CN 99104301 CN99104301A CN1242172A CN 1242172 A CN1242172 A CN 1242172A CN 99104301 CN99104301 CN 99104301 CN 99104301 A CN99104301 A CN 99104301A CN 1242172 A CN1242172 A CN 1242172A
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- pipeline
- internal diameter
- injector
- multihole device
- axial end
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Abstract
A sparger includes first and second conduits. The second conduit is in fluid communication with the first conduit and intersects the latter at a predetermined angle. A third conduit is disposed in at least one of the first and second conduits, has an inner diameter that is less than the inner diameters of the first and second conduits, and terminates in a closed axial end. At least one porous element is connected to the third conduit adjacent to the closed end, forms a portion of an outer wall of the third conduit, effects fluid communication between the third conduit and the at least one of the first and second conduits, and is disposed axially beyond the intersection of the first and second conduits by a predetermined distance. The third conduit has a substantially constant inner diameter along its length and at least one radially extending throughbore adjacent to the closed first axial end.
Description
The present invention relates to be used for gas is sprayed into the interior device of liquid stream.More specifically, the present invention relates to carbon dioxide be sprayed into the interior device of liquid diary product (for example milk) for the pot-life that prolongs dairy products.
Be used for the existing apparatus that gas sprays in the liquid stream is primarily aimed at fluid, for example edible oil, wine and soda.Sanitary standard to this class fluid then allows only to change the porous injection component on the basis of routine.A kind of existing injector 10 that is used for this class fluid is shown in Fig. 1.Injector 10 comprises first pipeline 12 with longitudinal axis 14 and internal diameter 16.Second pipeline 18 has longitudinal axis 20 and internal diameter 22.Second pipeline 18 is connected with fluid with first pipeline.As shown in Figure 1, pipeline 18 is spent setting at an angle of 90 with respect to pipeline 12, thereby forms a T junction.
First axial end of pipe 32 is fixedly connected on first end of connector 24.Another axial end of pipe 32 is fixedly connected on internal thread connector 38.Screw with external thread 36 is fixedly connected on internal thread connector 38.Annular multihole device 40 is connected in screw with external thread 36 and internal thread connector 38.Inner screw member 38 has blind hole 42.This blind hole 42 via the hole 34 of radially extending with manage 32 and be connected with fluid.
Radially extension slit 35 between blind hole 42 and each the axial apparent surface who is arranged on screw with external thread 36 and internal thread connector 38 is connected with fluid.Therefore, gas can be driven in the fluid stream of pipeline 12 inside, promptly gas along direction shown in the arrow A through first passage 30, by manage 32, around the shaft portion of connector 36, radially outward enter second pipeline 12 then by slit 35 and by multihole device 40.
As shown in Figure 1, injector elements 40 just in time be arranged on pipeline 18 below.Therefore, at least a portion gas by multihole device 40 may enter the slit 25 between connector 24 and the pipeline 18 and after this enter groove 28.
Other angles of the injector of groove 28, narrower slit 25 and prior art and connecting portion form the district that holds back of food and/or unclassified stores.In addition, because capillarity, even pipeline is drained fluid, liquid also can be trapped within groove 28 and the slit 25.
The injector of prior art is not drafted in being used for gas is introduced in dairy products, for example milk, therefore, does not meet United States Department of Agriculture (U.S.D.A) and the 3A commercial guild strict sanitary standard to dairy products.Dairy processing industry generally requires between the pipeline of dairy products to produce aseptic flowing of keeping clean.But multihole device does not generally meet these standards that keeps clean.Therefore, these standards permissions can be with new aseptic element replacement multihole device before new goods flow through trunk line.
Therefore, one of purpose of the present invention provides a kind of being used for gas such as carbon dioxide is sprayed into device in milk or other dairy products stream, wherein this device is easy to remove in one period cycle that keeps clean (aclean-in-place cycle) before, this device be automatic emptying and be designed to can avoid holding back therein material.
Other purposes of the present invention and advantage are by inciting somebody to action apparent below in conjunction with accompanying drawing to the description of preferred embodiment.
Preferred embodiment according to describing other features of the present invention, purpose and advantage provides an injector, and it comprises first pipeline with a longitudinal axis and an internal diameter.Second pipeline has a longitudinal axis and an internal diameter.Second pipeline is connected with fluid with first pipeline.Second pipeline is with a predetermined angle and the handing-over of first pipeline.The 3rd pipeline is arranged in one of the first and second pipelines at least.The internal diameter of the 3rd pipeline is less than the internal diameter of first pipeline and second pipeline.The 3rd pipeline ends at first axial end of sealing.At least one multihole device is connected in the 3rd pipeline at the first axial end place of contiguous this sealing, thereby forms the part of the 3rd pipeline outer wall.Multihole device is used for going into to flow through during the liquid of first or second pipeline flows with send (" injections ") by the 3rd pipeline gas supplied.
The axial end that above-mentioned design makes the 3rd pipeline that part of and its sealing of porous injection component is installed can easily be separated down from first and/or second pipeline before one period cycle that keeps clean.After the axial end of removing porous injection component and sealing thereof, can adopt a common sky to cover and seal the 3rd pipeline.After this, can will all insert pipeline so that can once more gas be introduced in the dairy products liquid stream through the new injection component of sterilization in advance and the axial end of sealing.
About another feature of this preferred embodiment of the present invention, the porous injection component is axially disposed within outside the junction of first and second pipelines preset distance to be sentenced just and will be taken away and can upstream do not moved and be trapped within second pipeline by liquid product stream by all gas of multihole device basically.Thereby the structure of this injector has stoped gas backstreaming to go in the liquid stream and has stoped relevant therewith turbulent flow and channeling phenomenon.
Some other feature about this preferred embodiment of the present invention, the external diameter of the 3rd pipeline is than its set little about 0.65-1.0 of internal diameter that places first or second pipeline in it, thereby big gap is provided betwixt, has not held back district's formation and be convenient to liquid emptying automatically between pipeline so that have.In addition, the fixture of the 3rd pipeline is provided with fillet and blocks any of intersection inside to stop material.By this way, injector of the present invention has been observed safety and the hygienic requirements to dairy products equipment.
Above-mentioned and some other purpose of the present invention, feature and advantage consider and followingly particularly will become apparent the detailed description of its specific embodiments in conjunction with the accompanying drawings that the same label that adopts in the accompanying drawing is represented same parts on variant figure, wherein:
Fig. 1 is the cutaway view of the injector of prior art;
Fig. 2 is the cutaway view of a kind of row formula (in-line) injector of the present invention;
Fig. 3 is the exploded view of a row formula injector shown in Figure 2;
Fig. 4 is installed in the cutaway view of the another kind of injector embodiment in the standard connection wye for the present invention; And
Fig. 5 is installed in the cutaway view of another the injector embodiment in the NORMAL BEND joint for the present invention.
Beginning is with reference to embodiment shown in Fig. 2 and 3, and a kind of injector elements 50 of the present invention shown in the figure is used for gas such as carbon dioxide are introduced fluid stream as milk.Injector 50 comprises first pipeline 52 with longitudinal axis 54 and internal diameter 56, and liquid product stream can flow through this pipeline.Second pipeline 58 has longitudinal axis 60 and internal diameter 62.Second pipeline 58 is connected with fluid with first pipeline 52.In embodiment shown in Figure 2, pipeline 52 is with 90 ° of angles and pipeline 58 handing-over.
The 3rd pipeline 64 is arranged within the part of second pipeline 58 and first pipeline 52 gas is sprayed in the liquid stream in the pipeline 52.Pipeline 58 is by end cap 90 sealings, and end cap 90 has the through hole placed in the middle that holds the 3rd pipeline 64.The internal diameter 66 of the 3rd pipeline 64 is less than the internal diameter 56 of first pipeline 52 and the internal diameter 62 of second pipeline 58.The 3rd pipeline 64 ends at first axial end of sealing, and this end is represented with label 68 generally.Hold-down nut 70 is installed on the axial end 68 of the 3rd pipeline 64 threadably.Be threaded to 5/8 between the axial end 68 of hold-down nut preferred made of plastic and hold-down nut and the 3rd pipeline 64 " (inch) * 8 ACME (acme thread) (being per inch 8 roads) or coarse thread more.The first annular spray multihole device 72 is connected in the 3rd pipeline 64 at first axial end, 68 places that are adjacent to sealing, thereby forms the part of the 3rd pipeline 64 outer walls.The second annular spray element 74 also is connected in the 3rd pipeline 64 at first axial end, 68 places that are adjacent to sealing vertically, thereby also forms the part of the 3rd pipeline outer wall.Element 72 and 74 is fixed in the 3rd pipeline 64.In present preferential embodiment, the 31b stainless steel of element 72 and 74 usefulness sintering is made.Will appreciate that as the technical staff of this area multihole device can be with other manufacturings such as 300 series stainless steels, plastics, monel metal, pottery and/or glass material.A technical staff as this area also can recognize easily, preferably adopts a plurality of O shape circles 76 so that form sealing between the outer wall of multihole device 72,74 and the 3rd pipeline 64.
The goods flow velocity preferably is about 4 feet of each seconds or higher.For the dairy products fluid, the goods flow velocity can be up to 10 feet of each seconds.Even but when 4 feet of lower speed each seconds, bubble is also unlikely to enter pipeline 58, thereby has improved the cleannes of injector 50 of the present invention.Certainly, a technical staff as this area can recognize easily that preset distance 80 will change with fluid flow rate, the viscosity of corresponding fluids stream and the size of pipeline etc.Yet, predetermined distance priority be at least first pipeline 52 internal diameter 56 10%.
As shown in Figure 2, the internal diameter 66 of the 3rd pipeline 64 is constant along the total length of the 3rd pipeline 64 basically.One first through hole 84 that radially extends is arranged in the 3rd pipeline 64 at axial end 70 places that are adjacent to sealing.Through hole 84 may simply be the boring of radially extending by the 3rd pipeline 64.Second through hole 86 that radially extends can get out similarly by the 3rd pipeline 64.This structure setting is compared with existing technology shown in Figure 1, and under the identical situation of every other factor, the air-flow that enters in the flow of articles in first pipeline 52 will increase by 15%.Like this, the 3rd pipeline 64 is connected with fluid with first pipeline 52 via through hole 84,86 and by multihole device 72,74 respectively.
The 3rd pipeline 64 has external diameter 88.The ratio of the external diameter 88 of the 3rd pipeline 64 and the internal diameter 62 of second pipeline 58 is less than about 0.65 to 1.0, and preferably less than about 0.50 to about 1.0.In an exemplary, external diameter 88 is 1/2 inch and internal diameter 62 is 1 3/8 inches, is equivalent to ratio and is about 36%.Therefore, between the inner cylindrical wall of the outer cylindrical wall of the 3rd pipeline 64 and second pipeline 58, there is sizable gap 89, thereby will be not can not form and hold back the district and this injector will be automatic emptying (that is, will not having liquid to be retained in pipe interior because of capillarity basically) by injector 50.In addition, the intersection between the 3rd pipeline 64 and the end cap 90 is formed by the fillet 92 that is cut into, and the radius of this fillet 92 is at least 1/4 inch.In addition, preferably through being polished to the polishing fineness of 180 adhesion carborundum papers (180 grip siliconcarbide paper), it is better that this is equivalent to about 32 μ rms (root-mean-square value) for whole inner surfaces.
Referring now to Fig. 4, injector shown in the figure 50 ' another embodiment, it is installed in the connection wye according to the present invention.According to this embodiment, second pipeline 58 ' with respect to first pipeline 52 ' into about 30 ° of angle settings.Except the 3rd pipeline 64 is installed in the connection wye, injector 50 ' the operation of operation and injector 50 be identical, therefore, will no longer repeat for the sake of brevity.For example, multihole device 72 ' be arranged on from handing-over border 78 ' downstream once predetermined distance 80 ' sentence by multihole device 72 ' enter first pipeline 52 ' bubble will can upstream not move and enter second pipeline 58 ' and be trapped within second pipeline 58 ' interior and become potential pollution sources.
Referring now to Fig. 5, a kind of injector 50 shown in the figure ", it is installed in the union elbow according to the present invention.According to this embodiment, flow of articles is by second pipeline 58 " enter and the 90 ° of angles of turning enter first pipeline 52 ".In the 3rd pipeline 64 " only is arranged on first pipeline 52 ".But all the other class of operation of this device are similar to shown in above Fig. 2-4 other embodiment.For example, multihole device 72 " be axially disposed within from handing-over border 78 " downstream once predetermined distance 80 " sentence " by multihole device 72, the bubble of 74 " entering first pipeline 52 " will can upstream not move and enter in second pipeline 58 " and being trapped within second pipeline 58 " and become potential pollution sources.Therefore, for the sake of brevity with injector 50 " all the other descriptions of operation.
Of the present invention being used for is introduced in device in the pipeline flowing liquid with gas via injector, described its at present preferred exemplary, believed that those skilled in the art can propose some other remodeling, variation and change according to the aim of stating in the literary composition.For example can only adopt a multihole device.Perhaps, can adopt two or more multihole devices.Therefore, be to be understood that all these remodeling, change and change and all be considered to drop within the scope of the invention that appended claims limit.
Claims (10)
1. injector comprises:
First pipeline with a longitudinal axis and an internal diameter;
Second pipeline with a longitudinal axis and an internal diameter, this second pipeline is connected with fluid with described first pipeline, and second pipeline is with a predetermined angle and the handing-over of first pipeline;
Be arranged in described first pipeline and second pipeline the 3rd pipeline within least one, the internal diameter of the 3rd pipeline is less than the internal diameter of first pipeline and second pipeline, and the 3rd pipeline ends at first axial end of sealing; And
Be connected at least one multihole device of described the 3rd pipeline at the first axial end place that is adjacent to described sealing, thereby form the part of the 3rd pipeline outer wall, this element realize the 3rd pipeline and described first pipeline and second pipeline at least the two one of between fluid be communicated with, this element is axially disposed within outside the described junction preset distance to be sentenced and just stops the gas that is ejected by this multihole device by the 3rd pipeline upstream to flow in described first or second pipeline.
2. the injector of claim 1 is characterized in that described at least one multihole device is annular.
3. the injector of claim 2 is characterized in that described at least one multihole device comprises two or more elements of location vertically.
4. the injector of claim 2 is characterized in that described predetermined angle is about 90 °.
5. the injector of claim 2 is characterized in that described predetermined angle is about 30 °.
6. the injector of claim 1, it is characterized in that described predetermined distance for described at least first pipeline and second pipeline the two one of internal diameter at least 10%.
7. injector comprises:
First pipeline with a longitudinal axis and an internal diameter;
Second pipeline with a longitudinal axis and an internal diameter, this second pipeline is connected with fluid with described first pipeline, and second pipeline is with a predetermined angle and the handing-over of first pipeline;
Be arranged in described first pipeline and second pipeline the 3rd pipeline within least one, the 3rd pipeline has constant basically internal diameter along its total length, the internal diameter of the 3rd pipeline is less than the internal diameter of first pipeline and second pipeline, the 3rd pipeline ends at first axial end of sealing, and the 3rd pipeline has the radially extension through hole of at least one first axial end that is adjacent to this sealing; And
Be connected at least one multihole device of described the 3rd pipeline being adjacent to described at least one through hole of radially extending, therefore this at least one element forms the part of the 3rd pipeline outer wall, this element via described at least one through hole that radially extends realize the 3rd pipeline and described first pipeline and second pipeline at least the two one of between fluid be communicated with.
8. injector comprises:
First pipeline with a longitudinal axis and an internal diameter;
Second pipeline with a longitudinal axis and an internal diameter, this second pipeline is connected with fluid with described first pipeline, and second pipeline is with a predetermined angle and the handing-over of first pipeline;
Be arranged in described first pipeline and second pipeline the 3rd pipeline within least one, the 3rd pipeline ends at first axial end of sealing, it is characterized in that, the external diameter of the 3rd pipeline is less than the internal diameter of first pipeline and second pipeline; And the ratio of the internal diameter of at least one pipeline is less than about 0.65 in the external diameter of the 3rd pipeline and first pipeline and second pipeline;
Be connected at least one multihole device of described the 3rd pipeline at the first axial end place that is adjacent to described sealing, thereby form the part of the 3rd pipeline outer wall, this element realize the 3rd pipeline and described first pipeline and second pipeline at least the two one of between fluid be communicated with.
9. the injector of claim 8 is characterized in that described ratio is less than about 0.50.
10. injector comprises:
First pipeline with a longitudinal axis and an internal diameter has second pipeline of a longitudinal axis and an internal diameter, and this second pipeline is connected with fluid with described first pipeline, and second pipeline joins with first pipeline with a predetermined angle;
Be arranged on described first pipeline and second pipeline the 3rd pipeline within least one, the 3rd pipeline ends at first axial end of sealing, the 3rd pipeline has the through hole that at least one radially extends at the first axial end place that is adjacent to described sealing, the 3rd pipeline has an external diameter and along the constant basically internal diameter of its total length, the internal diameter of the 3rd pipeline is less than the internal diameter of first pipeline and second pipeline, and wherein external diameter and first pipeline of the 3rd pipeline and second pipeline at least the two one of the ratio of internal diameter less than about 0.65;
Be connected at least one multihole device of described the 3rd pipeline being adjacent to described at least one through hole of radially extending, therefore this at least one multihole device forms the part of the 3rd pipeline outer wall, this multihole device via described at least one through hole that radially extends realize the 3rd pipeline and described first pipeline and second pipeline at least the two one of between fluid be communicated with, this multihole device is axially disposed within outside the described junction preset distance to be sentenced just to stop by the 3rd pipeline and upstream flows in described first or second pipeline by the gas that this multihole device sprays.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99104301 CN1242172A (en) | 1998-03-26 | 1999-03-24 | Apparatus for sparging gases into liquid fluid flow |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/048470 | 1998-03-26 | ||
| CN 99104301 CN1242172A (en) | 1998-03-26 | 1999-03-24 | Apparatus for sparging gases into liquid fluid flow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1242172A true CN1242172A (en) | 2000-01-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99104301 Pending CN1242172A (en) | 1998-03-26 | 1999-03-24 | Apparatus for sparging gases into liquid fluid flow |
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| Country | Link |
|---|---|
| CN (1) | CN1242172A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1327943C (en) * | 2002-04-12 | 2007-07-25 | 日本碍子株式会社 | Carbonated water manufacturing device, water purifier with the device, and stationary water purifier |
-
1999
- 1999-03-24 CN CN 99104301 patent/CN1242172A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1327943C (en) * | 2002-04-12 | 2007-07-25 | 日本碍子株式会社 | Carbonated water manufacturing device, water purifier with the device, and stationary water purifier |
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