CN103395627A - Coaxial pneumatic conveying ejector - Google Patents
Coaxial pneumatic conveying ejector Download PDFInfo
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- CN103395627A CN103395627A CN2013102945769A CN201310294576A CN103395627A CN 103395627 A CN103395627 A CN 103395627A CN 2013102945769 A CN2013102945769 A CN 2013102945769A CN 201310294576 A CN201310294576 A CN 201310294576A CN 103395627 A CN103395627 A CN 103395627A
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- feed channel
- suction passage
- material suction
- injection pipe
- delivery injector
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Abstract
The invention discloses a coaxial pneumatic conveying ejector comprising a pump block, a material suction passage, a material ejection pipeline, and an ejection gas pipeline. The material suction passage and the material ejection pipeline are formed in the pump block. The material suction passage is communicated with the material ejection pipeline. The ejection gas pipeline is disposed in the material suction passage through a connector. The connector is provided with an inner suction hole communicated with the ejection gas pipeline. One end of the ejection gas pipeline is closed. The ejection gas pipeline and the material suction passage are coaxial. The ejection gas pipeline is disposed in the material suction passage; the ejection gas pipeline and the material suction passage are coaxial; accordingly, material suction resistance is reduced obviously, and the efficiency of ejection conveying is improved. In addition, the material suction passage is symmetrically and evenly arranged, so that the material can be conveyed more evenly.
Description
Technical field
The present invention relates to a kind of coaxial type strength delivery injector, belong to strength delivery injector and vacuum ejector field, be used to utilizing spraying technique, carry single-phase flow, two phase flow, covert stream or produce vacuum.
Background technology
The strength delivery injector is the power part of bulk material delivery system, it utilizes negative pressure that bulk material is sucked, then in material injection pipe inside, make it gas-solid mixing, and carry out the steps such as energy exchange, mixing, solids loading adjusting, bulk material is transported to assigned address the most at last.
As shown in Figure 7, the common structure of strength delivery injector in existing mass transport field is generally that material suction passage 2' becomes 90 ° of angles with material injection pipe 3', sprays gas passage 4' and material injection pipe 3' coaxial line.The strength delivery injector of this quasi-tradition is structurally very ripe, and the performances such as stability, continuity and homogeneity of its gas-solid ratio, mass transport have been difficult to increase; And the strength delivery injector of this structure is when manufacture, assembling, and the right alignment of spraying gas passage 4' and material injection pipe 3' is difficult to ensure card.
As shown in Figure 8, for this reason, in industry, have a kind of strength delivery injector of structural development, material suction passage 2'' becomes 135 ° of angles with material injection pipe 3'', sprays gas passage 4'' and material injection pipe 3'' coaxial line.The strength delivery injector of the relative conventional confguration of strength delivery injector of this class formation all has raising by a small margin in performance figure such as gas-solid ratio, mass transport stability, continuity and homogeneities; But when still not solving assembling, this structure sprays the problem of the right alignment of gas passage 4'' and material injection pipe 3''; And the applicant thinks that all there is the space of further raising in other performance figure such as gas-solid ratio, mass transport stability, continuity and homogeneity of strength delivery injector.
Summary of the invention
In order to address the above problem, the invention provides a kind of strength delivery injector of coaxial type.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of coaxial type strength delivery injector is characterized in that comprising:
The pump housing;
Be arranged on material suction passage and material injection pipe in the pump housing, the material suction passage is communicated with the material injection pipe;
Spray feed channel, by a connecting device, be arranged on material suction passage inside, in connecting device, be provided with and the induction opening that sprays feed channel and is communicated with, spray feed channel one end and seal;
Described injection feed channel, material suction passage overlap with material injection pipe line of centers track, or spray feed channel, material suction passage line of centers track overlaps and and material injection pipe line of centers between seamlessly transit.
Described connecting device is set at least one floor, and floor one end is connected with material suction passage outer wall, and the other end is connected with the injection feed channel, and induction opening is arranged in floor.
The curved setting of described floor or edge are sprayed gas direction parallel lines and are arranged.
Described floor is provided with six, is evenly distributed on material injection pipe inside.
Between the line of centers of the line of centers of described material suction passage and material injection pipe, angle is set to 0 °～180 °.
Described connecting device is set to a spacer ring, and described spacer ring inwall is connected with the injection feed channel, and the spacer ring outer wall is connected with the pump housing, on described spacer ring, is provided with some materials parallel with spraying the feed channel line of centers and sucks through holes, and described induction opening is arranged in spacer ring.
The material inlet end of described injection feed channel sealing is provided with a deflection cone.
Described injection feed channel, material injection pipe cross section are for being circle, rectangle, ellipse, band round rectangle
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The invention has the beneficial effects as follows: by spraying feed channel, be arranged on material suction passage inside, and will spray feed channel and the material suction passage is arranged to coaxial direction, can significantly reduce the material suction resistance, thereby improved the injection transport efficiency, the material suction passage, for arranging symmetrically and evenly, makes mass transport more steady simultaneously.
The accompanying drawing explanation
The present invention is further described below in conjunction with drawings and Examples:
Fig. 1 is structural profile schematic diagram of the present invention;
Fig. 2 is the generalized section of spraying feed channel the first embodiment;
Fig. 3 is the schematic diagram of the first embodiment that sprays the air inlet floor of feed channel;
Fig. 4 is the schematic diagram of the second embodiment that sprays the air inlet floor of feed channel;
Fig. 5 is the schematic diagram that sprays the third embodiment of feed channel;
Fig. 6 is the schematic diagram of the 4th kind of embodiment of the present invention;
Fig. 7 is the schematic diagram one of existing strength delivery injector;
Fig. 8 is the schematic diagram two of existing strength delivery injector.
The specific embodiment
With reference to Fig. 1, Fig. 2, Fig. 3, as shown be the first embodiment of the present invention, the present invention is a kind of coaxial type strength delivery injector, comprises the pump housing 1; Be arranged on material suction passage 2 and material injection pipe 3 in the pump housing 1, material suction passage 2 is communicated with material injection pipe 3; Spray feed channel 4, by six floors 41, be arranged in material suction passage 2, in floor 41, be provided with and the induction opening 42 that sprays feed channel 4 and be communicated with, floor 41 radially arranges along spraying feed channel 4, floor 41 is divided equally the periphery that is distributed in injection feed channel 4, induction opening 42 extends to the outside of the pump housing 1, during use, with external air source, is communicated with, and sprays the end-enclosed of feed channel 4 towards material suction passage 2; Spray feed channel 4, material suction passage 2 and material injection pipe 3 and coaxially arrange, and axis is linear portion.The present invention is arranged on material suction passage 2 inside by just spraying feed channel 4, and will spray feed channel 4, material suction passage 2 and material injection pipe 3 and be arranged to coaxial line, and axis is linear portion, can significantly reduce the material suction resistance, thereby has improved the injection transport efficiency; By six floors 41, material suction passage 2 is separated into to some lobes, makes material output of the present invention more even, gas-solid mixing is more even, and stability and the continuity of mass transport are improved; Guarantee simultaneously when the strength delivery injector is assembled, spraying feed channel 4 can reduce to greatest extent with the coaxiality error of material injection pipe 3, and then the service life that extends material injection pipe 3 is (in the large situation of coaxiality error, the friction that material injection pipe 3 inwalls are subject to material is impacted inhomogeneous, causes the inhomogeneous wearing and tearing of inwall).
As shown in Figure 1, Figure 2, Figure 3 shows, material suction passage 2 is formed by connecting by one first cylindrical cavity 21, one first conical cavity 22 and the second cylindrical cavity 23 successively along the Flow of Goods and Materials direction; Material injection pipe 3 is connected to form by the second conical cavity 31, three cylindrical shape cavity 32 and the 3rd conical cavity 33 along the Flow of Goods and Materials direction; Spray feed channel 4 and be arranged in the second cylindrical cavity 23, the end of spraying feed channel 4 sealings is provided with the deflection cone 43 that is complementary with the first conical cavity 22.Adopt material suction passage 2, injection feed channel 4 and the material injection pipe 3 of said structure can optimize the mixing of gas-solid, the suction fluency of material and the stability, uniformity of output Dual-Phrase Distribution of Gas olid.
Be illustrated in figure 4 the second specific embodiment of the present invention, itself and the first embodiment are roughly the same, difference is that floor 41 arranges in the shape of a spiral, give an additional rotation, agitating function in the material suction process, can further improve the degree of uniformity of gas-solid mixing and homogeneity and the stability of material output.
Be illustrated in figure 5 the third specific embodiment of the present invention, itself and the first embodiment are roughly the same, difference is that connecting device is set to a spacer ring 5, described spacer ring 5 inwalls are connected with injection feed channel 4, spacer ring 5 outer walls are connected with the pump housing 1, on described spacer ring 5, be provided with some materials parallel with spraying the feed channel axis and suck through hole 51, induction opening 42 is arranged in spacer ring.In the strength delivery injector of employing said structure, material sucks through hole 51 and enters material injection pipe 3 from material, and it is some apertures that material sucks through hole 51, and material is had to certain dispersing action, makes material suck evenly.
Be illustrated in figure 6 the 4th kind of specific embodiment of the present invention, itself and the first embodiment are roughly the same, and difference is that between the axis of the axis of material suction passage 2 and material injection pipe 3, angle is set to 0 °～180 °.Material suction passage 2 and the axis that sprays feed channel 4 also can be set to that continuous camber line adds straight line or curve adds straight line.Adopt the flexibly changing material suction of the present invention of said structure, the direction of output, convenient on-the-spot layout and installation.
As Fig. 1, shown in Figure 6, spray feed channel 4, material injection pipe 3 cross sections be circle, but the injection feed channel 4 in the present invention, material injection pipe 3 cross sections are not limited in circle, it also can be set to rectangle, ellipse, band round rectangle
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Deng other shape.
Above-described embodiment is preferred versions more of the present invention, and the present invention also can have other embodiment.Those skilled in the art also can make equivalent variations or replacement under the prerequisite without prejudice to spirit of the present invention, the distortion that these are equal to or replace all is included in the scope that the application's claim sets.
Claims (8)
1. coaxial type strength delivery injector is characterized in that comprising:
The pump housing;
Be arranged on material suction passage and material injection pipe in the pump housing, the material suction passage is communicated with the material injection pipe;
Spray feed channel, by a connecting device, be arranged on material suction passage inside, in connecting device, be provided with and the induction opening that sprays feed channel and is communicated with, spray feed channel one end and seal;
Described injection feed channel, material suction passage overlap with material injection pipe line of centers track, or spray feed channel, material suction passage line of centers track overlaps and and material injection pipe line of centers between seamlessly transit.
2. a kind of coaxial type strength delivery injector as claimed in claim 1, is characterized in that described connecting device is set at least one floor, and floor one end is connected with material suction passage outer wall, and the other end is connected with the injection feed channel, and induction opening is arranged in floor.
3. a kind of coaxial type strength delivery injector as claimed in claim 2, is characterized in that the curved setting of described floor or the setting of edge injection gas direction parallel lines.
4. a kind of coaxial type strength delivery injector as claimed in claim 3, is characterized in that described floor is provided with six, is evenly distributed on material injection pipe inside.
5. a kind of coaxial type strength delivery injector as claimed in claim 1, is characterized in that between the line of centers of the line of centers of described material suction passage and material injection pipe, angle is set to 0 °～180 °.
6. a kind of coaxial type strength delivery injector as claimed in claim 1, it is characterized in that described connecting device is set to a spacer ring, described spacer ring inwall is connected with the injection feed channel, the spacer ring outer wall is connected with the pump housing, on described spacer ring, be provided with some with spray the feed channel line of centers parallel advance the powder through hole, described induction opening is arranged in spacer ring.
7. a kind of coaxial type strength delivery injector as claimed in claim 1, is characterized in that the end of described injection feed channel sealing is provided with a deflection cone.
8. a kind of coaxial type strength delivery injector as claimed in claim 1, is characterized in that described injection feed channel, material injection pipe cross section are circle, rectangle, ellipse, band round rectangle
Pancake
Polygon
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310294576.9A CN103395627B (en) | 2013-07-12 | 2013-07-12 | A kind of air conveying ejector of coaxial-type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310294576.9A CN103395627B (en) | 2013-07-12 | 2013-07-12 | A kind of air conveying ejector of coaxial-type |
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| Publication Number | Publication Date |
|---|---|
| CN103395627A true CN103395627A (en) | 2013-11-20 |
| CN103395627B CN103395627B (en) | 2016-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310294576.9A Active CN103395627B (en) | 2013-07-12 | 2013-07-12 | A kind of air conveying ejector of coaxial-type |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106335789A (en) * | 2016-08-29 | 2017-01-18 | 镇江飞利达电站设备有限公司 | Novel auxiliary blower |
| CN106743674A (en) * | 2017-02-28 | 2017-05-31 | 中国空气动力研究与发展中心高速空气动力研究所 | A kind of device that solid powder is sent into high velocity air |
| CN107352274A (en) * | 2017-08-25 | 2017-11-17 | 天津商业大学 | A kind of regulatable new induction Pneumatic conveyer of particle concentration |
Citations (6)
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| US4660986A (en) * | 1983-03-02 | 1987-04-28 | Leschonski K | Method for producing a gas-solid two phase flow jet having a constant mass or volume flow rate and predetermined velocity |
| CN1174760A (en) * | 1996-08-07 | 1998-03-04 | 埃尔帕特朗尼股份公司 | Method for conveying powder material and nozzle |
| US6227769B1 (en) * | 1994-02-18 | 2001-05-08 | Nordson Corporation | Densifier for powder coating welded cans |
| CN101516488A (en) * | 2006-09-21 | 2009-08-26 | 巴斯夫欧洲公司 | Method for mixing a liquid in a sealed container with a fine-particle solid, container of this type, ejector jet and use of a jet of this type |
| CN102207107A (en) * | 2010-03-29 | 2011-10-05 | 株式会社电装 | Ejector |
| CN203473947U (en) * | 2013-07-12 | 2014-03-12 | 裕东（中山）机械工程有限公司 | Coaxial pneumatic conveying ejector |
-
2013
- 2013-07-12 CN CN201310294576.9A patent/CN103395627B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4660986A (en) * | 1983-03-02 | 1987-04-28 | Leschonski K | Method for producing a gas-solid two phase flow jet having a constant mass or volume flow rate and predetermined velocity |
| US6227769B1 (en) * | 1994-02-18 | 2001-05-08 | Nordson Corporation | Densifier for powder coating welded cans |
| CN1174760A (en) * | 1996-08-07 | 1998-03-04 | 埃尔帕特朗尼股份公司 | Method for conveying powder material and nozzle |
| CN101516488A (en) * | 2006-09-21 | 2009-08-26 | 巴斯夫欧洲公司 | Method for mixing a liquid in a sealed container with a fine-particle solid, container of this type, ejector jet and use of a jet of this type |
| CN102207107A (en) * | 2010-03-29 | 2011-10-05 | 株式会社电装 | Ejector |
| CN203473947U (en) * | 2013-07-12 | 2014-03-12 | 裕东（中山）机械工程有限公司 | Coaxial pneumatic conveying ejector |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106335789A (en) * | 2016-08-29 | 2017-01-18 | 镇江飞利达电站设备有限公司 | Novel auxiliary blower |
| CN106743674A (en) * | 2017-02-28 | 2017-05-31 | 中国空气动力研究与发展中心高速空气动力研究所 | A kind of device that solid powder is sent into high velocity air |
| CN106743674B (en) * | 2017-02-28 | 2022-12-23 | 中国空气动力研究与发展中心高速空气动力研究所 | Device for feeding solid powder into high-speed airflow |
| CN107352274A (en) * | 2017-08-25 | 2017-11-17 | 天津商业大学 | A kind of regulatable new induction Pneumatic conveyer of particle concentration |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103395627B (en) | 2016-06-22 |
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