CN202687504U - Pneumatic bulk material conveying device - Google Patents
Pneumatic bulk material conveying device Download PDFInfo
- Publication number
- CN202687504U CN202687504U CN 201220337228 CN201220337228U CN202687504U CN 202687504 U CN202687504 U CN 202687504U CN 201220337228 CN201220337228 CN 201220337228 CN 201220337228 U CN201220337228 U CN 201220337228U CN 202687504 U CN202687504 U CN 202687504U
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- main channel
- inner tube
- bulk material
- aperture
- bias current
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Abstract
The utility model discloses a pneumatic bulk material conveying device. The device comprises a main channel, an inner pipe for conveying gas is arranged in the main channel and is provided with a plurality of orifices, the inner pipe and the main channel are communicated through the orifices, so that the conveyed gas in the inner pipe can flow into the main channel through the orifices, a bias flow part is arranged in each orifice area in the inner pipe and causes air flow in the inner flow to be forcibly transferred to the corresponding orifice area in the main channel, rotational flow is formed in the orifice area of the main channel by the conveyed gas and used for breaking down bulk material cakings in the main channel. The device can enable the conveyed gas in the orifice area in the inner pipe to be effectively transferred into the main channel, thereby improving the output effect of the conveyed gas from the orifice of the inner pipe to the main channel, further enhancing the rotational flow for breaking down the bulk material cakings, and preventing or eliminating the material cakings.
Description
Technical field
The utility model relates to a kind of device of pneumatic conveying bulk material, this device has for the main channel of transmission bulk material and is used for air-transmitting inner tube, described inner tube is arranged in described transfer line and parallel with its axis, described inner tube has a plurality of apertures, described aperture is communicated with described inner tube and described main channel, so that the transport gas in the described inner tube can be passed in the described main channel.
Background technology
From patent documentation D1E 1174256 such scheme as can be known: a kind of device has transfer line and parallel by passage, these two by passages are streamer material in the transfer line all, wherein, a plurality of so short by passages are set on the position adjacent with this pipeline in the vertical, also by passage can be installed in the transfer line.Utilize this device, when in pipeline, carrying dust-like, powder or graininess bulk material, the part shunting on the short spacing continuous position of the main fluid of the conveying stream of longitudinal direction, the shunting of separating from main fluid is before next shunt position, as then again flow back to main flow on flow direction.Yet for being easy to form the bulk material that little wall shape piles up or when particle diameter is several millimeters, there is the danger of obstruction in narrow by passage, thereby by passage will lose efficacy.
From patent documentation D1E1506848 such scheme as can be known: replace a plurality of short by passages, in the position adjacent with main line continuous by passage is set, by passage has ingate and egress hole, and they are configured to space one segment distance.Waiting the shut off valve that is provided with by passage between large ingate and the egress hole, thereby whole pumped (conveying) mediums of by passage pass into main line at intervals, are discharged to the by passage from main line at intervals again.This design is more saved cost than the design of the independent by passage that a plurality of and main line are adjoined.Yet, owing to normally carry out material when carrying, and because the feeding air significantly increases in the resistance to flow of by passage or pipeline, the by passage thereby the feeding air can not flowed through, therefore most of feeding air stream enters in the main line.In transfer line, choke when plug it is separated so this device is only applicable to material bridging group, thereby can proceed to carry.The feeding air only just can enter when main line stops to carry material in the by passage, and for example, when material bridging group stopped up, air flowed out pipeline in the position that material bridging group stops up.
Can realize same scheme according to patent documentation D1E2102301, wherein by passage does not stop up fully in the position of each egress hole and ingate yet.From this patent as can be known: tiltedly a side of carrying stream is arranged the first catch in the bottom, this first catch extends to by passage; Same direction behind the first catch is provided with the second catch, is used to form and again enters the hole.According to this structure, when transfer line is stopped up by material bridging group, should also can carry air to come decomposing material bridging group by introducing from by passage to transfer line.Yet in this structure, baffle plate makes fluid deflector in the by passage to the upside of by passage, and eddy flow causes the wearing and tearing of by passage upside.If considering that the high speed that produces in the by passage is carried in air and the air is full of granular material, will inevitably produce high rehabilitation expense.On the other hand, in a single day the catch that stretches into by passage is mounted, just can not change in its position or Renewal process loaded down with trivial details, yet for dissimilar materials, probably need to change catch.Usually, this existing apparatus only utilizes ingate and egress hole to decompose the material bridging group of stopping up in these positions, and and be not suitable for and prevent from forming material bridging group.
Summary of the invention
The purpose of this utility model is, a kind of device of pneumatic conveying bulk material is provided, and makes bulk material bear continuously strong eddy flow, can not form from the beginning the danger of material bridging group, and also still material bridging group can be disassembled in this case.Realize that such effect can't cause the wearing and tearing of the by passage wall that the deflection owing to pumped (conveying) medium causes.
Another purpose of the present utility model is, a kind of device of pneumatic conveying bulk material is provided, make the air-flow in the by passage be forced to turn in the transfer line, thereby make the continuum of transport gas in transfer conduit form strong eddy flow, be used for preventing or decompose bulk material bridging group in the pipeline.
The purpose of this utility model and to solve its technical matters be to adopt following technical scheme to realize.According to the device that the utility model proposes a kind of pneumatic conveying bulk material, this device comprises: the main channel that is used for the transmission bulk material, be provided with in the described main channel for air-transmitting inner tube, described inner tube has a plurality of apertures, described aperture is communicated with described inner tube and described main channel, so that the transport gas in the described inner tube can be passed in the described main channel by described aperture, each orifice area is provided with the bias current part in described inner tube, described bias current part has guiding device, turn to corresponding aperture port area and the orifice area in described main channel in the main channel to form eddy flow the air-flow forced in the inner tube, be used for decomposing the bulk material bridging group in the described main channel.
The guiding device of wherein said bias current part is made of the disk body with perforate, and this disk body is provided with at least one perforate, and the perforate of disk body may be made of a plurality of holes or slit.The diameter of disk body can carry gas to go to main fluid thereby make greater than inner tube itself, and the strong eddy flow that forms thus prevents from forming material bridging group in transfer line.When this disk body during greater than the overall diameter of by passage, under disavantage, namely exist in the situation of pressure reduction, outstanding part strengthens the eddy flow of main fluid, only has a small amount of transport gas to pass through inner tube.The height of disk body is adjustable, thereby it can be transferred to the condition that is suitable at that time.
In order to make conveying gas by the disk body perforate turn to substantially corresponding aperture port area in the main channel, improve to carry gas from the aperture of inner tube the output effect to the main channel, and strengthen thus eddy flow to bulk material, thereby eliminate material bridging group, preferably be provided with conducting element at tapping, thereby know from experience corresponding inner orifice port area in the main channel that is forced to lead by the conveying gas of disk body perforate.
Cause the conveying material of severe wear for meeting, disk body can be designed to have the cylinder of spurting spout.
The purpose of this utility model and solve its technical matters and can also adopt following technical scheme further to realize.The guiding device of aforesaid bias current part is made of bend pipe, this bend pipe is installed in the inner tube, the gas passage that is formed by bend pipe makes the transport gas in the inner tube turn in the main channel by this gas passage, and preferably, this structure makes in the inner tube at least 80% delivery air be forced to redirect in the main channel.
For the different bulk material of transmission in feedway, can regulate camber, bore and the length of bend pipe.Specifically, the line of centers by bend pipe changes the camber of bend pipe at the angle α of two tangent lines in entrance and exit, and the line of centers by bend pipe is determined the length of bend pipe at the angle β of the tangent line of entrance and inner tube spindle axis.
The purpose of this utility model and solve its technical matters and can also adopt following technical scheme further to realize.The guiding device of aforesaid bias current part is made of the rough inner-surface that inner tube is positioned at the corresponding aperture port area.The rough inner-surface zone inner tube axially on length more than or equal to the diameter in the corresponding aperture of described inner tube.By this simple structure, through the transmission airflow of the orifice area of main channel, realize the transmission airflow in the inner tube is turned in the main channel in the disturbance inner tube, and the orifice area that is positioned at inner tube in the main channel forms strong eddy flow.
Preferably, be connected with inner tube in order to make the main channel, also can be provided with connecting pin, this connecting pin runs through the sidewall of main channel, by weld seam the one end is connected with inner tube respectively and the other end is connected with the main channel, more preferably, this pin-shaped also can be connected with the bias current part by weld seam.
The device of pneumatic conveying bulk material of the present utility model has following advantage and effect thereof at least.Utilize the bias current part and the transmission airflow of capacity is back in the trunk line, thereby in trunk line, form strong eddy flow, more effectively prevent or decompose the bridging group that assembles in the bulk material.In other words, compare with common feedway, can realize significant technique effect with less energy consumption according to device of the present utility model.
Above-mentioned explanation only is the general introduction of technical solutions of the utility model, for can clearer understanding technological means of the present utility model, and can be implemented according to the content of specification sheets, and for above and other purpose of the present utility model, feature and advantage can be become apparent, below especially exemplified by preferred embodiment, and the cooperation accompanying drawing, be described in detail as follows.
Description of drawings
Fig. 1 represents to have the elevation profile of the main channel of inner tube, and wherein the opening area of inner tube is provided with disk body;
Fig. 2 represents to have the elevation profile of the main channel of inner tube, and wherein the opening area of inner tube is provided with bend pipe;
Fig. 3 represents to have the elevation profile of the main channel of inner tube, and wherein inner tube is positioned at the corresponding aperture port area and has rough inner-surface;
The specific embodiment
Fig. 1 and Fig. 2 represent respectively the device 1.1 and 1.2 of pneumatic conveying bulk material, this device comprises: the main channel 3 that is used for the transmission bulk material, be provided with in this main channel 3 for air-transmitting inner tube 4, wherein inner tube 4 places the first half of main channel 3 and is parallel to main channel 3.Basically be conveying bulk materials and may in carrying gas, form eddy flow and prevent material bridging group in main channel 3.For achieving this end, in inner tube 4, be provided with more than 4 aperture 5, aperture 5 is communicated with inner tube 4 and main channel 3, so that the transport gas in the inner tube 4 can be passed in the main channel 3 and form eddy flow, the zone in each aperture 5 is provided with bias current part 6 or 9 in inner tube 4, and wherein, described bias current part has guiding device, with the air-flow forced in the inner tube 4 turn in the main channel 3 zone, corresponding aperture 5 and in that 35 zones, aperture form eddy flows in the main channel, be used for decomposing the bulk material bridging group in the main channel 3.Be provided with connecting pin 13 between main channel and the inner tube, this connecting pin 13 runs through the sidewall of main channel 3, and by weld seam, the one end is connected with inner tube 4 and the other end is connected with main channel 3.
In the embodiment shown in fig. 1, the guiding device of the bias current part 6 of described device 1.1 is made of disk body, this disk body 6 has perforate 7,7 places are provided with conducting element 8 in perforate, this conducting element 8 is 5 zones, aperture of inner tube 4 corresponding in the transport gas forced guiding main channel 3 of the perforate 7 by disk body 6, thereby the transport gas of the perforate 7 by disk body 6 is turned in the main channel.
In the embodiment shown in Figure 2, one bend pipe 10 is set replaces the disk body 6 with perforate shown in Figure 1, this bend pipe 10 is installed in the inner tube, and the gas passage that is formed by bend pipe 10 makes the transport gas in the inner tube 4 turn in the main channel 3 by this gas passage, wherein, with camber, the bore D of bend pipe 10
1And length adjustment is that different bulk materials is transmitted in described device 1.2.In addition, in this embodiment, the connecting pin 13 that is used for connection main channel 3 and inner tube 4 extends through inner tubal wall, and is connected with bend pipe 10 by weld seam.
Fig. 3 represents the device 2 of pneumatic conveying bulk material, and this device comprises: be used for the main channel 3 of transmission bulk material, be provided with in this main channel 3 for air-transmitting inner tube 4, wherein inner tube 4 places the first half of main channel 3 and is parallel to main channel 3.Basically be conveying bulk materials and may in carrying gas, form eddy flow and prevent material bridging group in main channel 3.For achieving this end, in inner tube 4, be provided with more than 4 aperture 5, aperture 5 is communicated with inner tube 4 and main channel 3, so that the transport gas in the inner tube 4 can be passed in the main channel 3 and form eddy flow, the zone in each aperture 5 is provided with bias current part 14 in inner tube 4, wherein, described bias current part 14 has guiding device, the rough inner-surface that is positioned at 5 zones, corresponding aperture by inner tube 4 consists of, through the transport gas in 5 zones, aperture of main channel 3 and form eddy flow, be used for decomposing the bulk material bridging group in the described main channel 3 in the disturbance inner tube 4.
The length of the rough inner-surface zone of inner tube 4 on it is axial is more than or equal to the diameter D in the corresponding aperture 5 of inner tube 4
2
Be provided with connecting pin 13 between main channel and the inner tube, this connecting pin 13 runs through the sidewall of main channel 3, and by weld seam, the one end is connected with inner tube 4 and the other end is connected with main channel 3.
The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, although the utility model discloses as above with preferred embodiment, yet be not to limit the utility model, any those skilled in the art, within not breaking away from the technical solutions of the utility model scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solutions of the utility model, any simple modification that foundation technical spirit of the present utility model is done above embodiment, equivalent variations and modification all still belong in the scope of technical solutions of the utility model.
Claims (5)
1. the device of a pneumatic conveying bulk material, (1.1,1.2), this device comprises: the main channel that is used for the transmission bulk material, (3), described main channel, (3) be provided with in for air-transmitting inner tube, (4), described inner tube, (4) have a plurality of apertures, (5), described aperture, (5) make described inner tube, (4) and described main channel, (3) be communicated with, so that described inner tube, (4) transport gas in is by described aperture, (5) be passed to described main channel, (3) in, in described inner tube, (4) each aperture in, (5) zone is provided with the bias current part, (6,9)
It is characterized in that:
Described bias current part (6,9) has guiding device, and the air-flow forced in the described inner tube (4) is turned to corresponding aperture (5) zone in the described main channel (3) and forms eddy flow in the zone, aperture (5) of described main channel (3).
2. device according to claim 1 (1.1), it is characterized in that, the guiding device of described bias current part (6) is made of the disk body (6) with perforate (7), the described perforate (7) of described disk body (6) locates to be provided with conducting element (8), with the zone, aperture (5) of described inner tube (4) corresponding in the described main channel of transport gas forced guiding (3) of the described perforate (7) by described disk body (6).
3. device according to claim 1 (1.2), it is characterized in that, the guiding device of described bias current part (9) is made of the bend pipe (10) in the described inner tube (4), described bend pipe (10) forms the gas passage, and the transport gas in the described inner tube (4) is turned in the described main channel (3) by this gas passage.
4. according to claim 1,2 or 3 described devices (1.1,1.2), it is characterized in that a connecting pin (13) runs through the sidewall of described main channel (3), one end of described pin-shaped (13) and described inner tube (4) welding, its other end and described main channel (3) welding.
5. described device according to claim 4 (1.1,1.2) is characterized in that, described pin-shaped (13) and described bias current part (9) welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220337228 CN202687504U (en) | 2012-07-12 | 2012-07-12 | Pneumatic bulk material conveying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220337228 CN202687504U (en) | 2012-07-12 | 2012-07-12 | Pneumatic bulk material conveying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202687504U true CN202687504U (en) | 2013-01-23 |
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ID=47543154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220337228 Expired - Lifetime CN202687504U (en) | 2012-07-12 | 2012-07-12 | Pneumatic bulk material conveying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202687504U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109230549A (en) * | 2018-10-11 | 2019-01-18 | 中国矿业大学 | A kind of compound pneumatic conveying eddy flow bend pipe |
-
2012
- 2012-07-12 CN CN 201220337228 patent/CN202687504U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109230549A (en) * | 2018-10-11 | 2019-01-18 | 中国矿业大学 | A kind of compound pneumatic conveying eddy flow bend pipe |
| CN109230549B (en) * | 2018-10-11 | 2020-08-11 | 中国矿业大学 | Compound pneumatic conveying rotational flow elbow |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130123 |
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| CX01 | Expiry of patent term |