CN206814001U - Powder-granule material Geldart-D particle elbow - Google Patents
Powder-granule material Geldart-D particle elbow Download PDFInfo
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- CN206814001U CN206814001U CN201720728274.1U CN201720728274U CN206814001U CN 206814001 U CN206814001 U CN 206814001U CN 201720728274 U CN201720728274 U CN 201720728274U CN 206814001 U CN206814001 U CN 206814001U
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- elbow
- feed pipe
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Abstract
The utility model provides a kind of powder-granule material Geldart-D particle elbow, including：Cylindrical cavity, it is arranged in the powder-granule material Geldart-D particle elbow；Feed pipe and discharge nozzle, connected with cylindrical cavity, the corresponding central angle on cylindrical cavity is obtuse angle to the axis of feed pipe with the axis of discharge nozzle, the axis of feed pipe is directed away from the side eccentric setting of discharge nozzle relative to the centre of gyration of cylindrical cavity, and the axis of discharge nozzle is directed away from the side eccentric setting of feed pipe relative to the centre of gyration of cylindrical cavity.The beneficial effects of the utility model are to reduce abrasion of the gas-solid mixture to elbow, extend the service life of elbow；So that elbow is easily installed or changed；Elbow can not be dismantled to carry out block clearing and check elbow inter deterioration situation；Reduce the problem of pulverized coal particle crushes in elbow.
Description
Technical field
It the utility model is related to material conveying elbow field, specifically a kind of powder-granule material Geldart-D particle elbow.
Background technology
Need to convey the powders such as coal dust or quartz sand, pellet using pneumatic conveying mode in coal gasifying process.Strength
In course of conveying, the gas-solid mixture that coal dust or quartz sand are formed with conveying gas is flow at high speed in pipeline.When flowing side
To when changing, gas-solid mixture can cause serious abrasion to bend part.So in coal dust or quartz sand Geldart-D particle
In system, channel bend abrasion is the most serious, is easily worn through and causes the leakage of coal dust or quartz sand, causes elbow service life
It is short, it is necessary to often change.Problems be present in elbow used in existing air-transport system gas-solid phase pipeline：1st, use
W.N flange, when installing or changing elbow, it is easy to elbow flange bolt hole and conveyance conduit bolt hole azimuth deviation occurs
It can not install greatly very much；2nd, in pulverized coal conveying or quartz sand, gas-solid mixture conduit elbow easily blocks, existing elbow
Elbow need to be dismantled in putty and carries out block clearing, wastes time and energy and has a great influence, cause downstream process not run when serious；3rd, it is existing
Elbow need to dismantle elbow and detect elbow inter deterioration situation, service work is cumbersome in maintenance.4th, existing elbow is in conveying coal
During powder material, gas-solid mixture collides in elbow, causes part pulverized coal particle to crush, and causes coal powder size distribution hair
Changing, it can not meet granularity requirements of the downstream process to material.
Utility model content
The utility model provides a kind of powder-granule material Geldart-D particle elbow, and powder-granule material Geldart-D particle is reduced with curved to reach
Head inter deterioration degree, extend the purpose of elbow service life.
Technical scheme is used by the utility model solves its technical problem：A kind of powder-granule material Geldart-D particle elbow,
Including：Cylindrical cavity, it is arranged in the powder-granule material Geldart-D particle elbow；Feed pipe and discharge nozzle, and cylindrical cavity
Connection, the corresponding central angle on cylindrical cavity is obtuse angle to the axis of feed pipe with the axis of discharge nozzle, the axis of feed pipe
The side eccentric setting of discharge nozzle is directed away from relative to the centre of gyration of cylindrical cavity, the axis of discharge nozzle is relative to cylinder
The centre of gyration of shape inner chamber is directed away from the side eccentric setting of feed pipe.
Further, the axis of feed pipe is feed tube diameter relative to the distance of the centre of gyration of cylindrical cavity
0.15 times to 0.2 times.
Further, the axis of discharge nozzle is discharging pipe diameter relative to the distance of the centre of gyration of cylindrical cavity
0.15 times to 0.2 times.
Further, 3 times to 5 times of a diameter of feed tube diameter of cylindrical cavity.
Further, the diameter of discharge nozzle and the diameter of feed pipe are identical.
Further, the span of the axis angle of the axis of feed pipe and discharge nozzle is 90 ° to 135 °.
Further, the powder-granule material Geldart-D particle also includes inspection socket with elbow, connected with cylindrical cavity and with charging
Pipe is oppositely arranged, the axis of inspection socket and the axis collinear of feed pipe.
Further, the diameter of inspection socket and the diameter of feed pipe are identical.
Further, one end of inspection socket is connected with cylindrical cavity, and the other end outer surface of inspection socket is provided with flange
Component.
Further, the periphery of feed pipe is fixedly installed the first ring loose flange for connection；The periphery of discharge nozzle
It is fixedly installed the second ring loose flange for connection.
The beneficial effects of the utility model are to reduce abrasion of the gas-solid mixture to elbow, extend the service life of elbow；
So that elbow is easily installed or changed；Elbow can not be dismantled to carry out block clearing and check elbow inter deterioration situation；Reduce coal dust
The problem of particle crushes in elbow.
Brief description of the drawings
The Figure of description for forming the part of the application is used for providing further understanding to of the present utility model, this practicality
New schematic description and description is used to explain the utility model, does not form to improper restriction of the present utility model.
In the accompanying drawings：
Fig. 1 is the structural representation of the utility model powder-granule material Geldart-D particle elbow；
Fig. 2 be in Fig. 1 A-A to sectional view.
Reference in figure：10th, cylindrical cavity；20th, feed pipe；21st, the first ring loose flange；30th, discharge nozzle；31、
Second ring loose flange；40th, inspection socket；41st, socket welding flange；42nd, flange gasket；43rd, blind flange；44th, studs；90、
Solid accumulation area.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Describe the utility model in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
As depicted in figs. 1 and 2, the utility model embodiment provides a kind of powder-granule material Geldart-D particle elbow, including circle
Cylindrical inner chamber 10, feed pipe 20 and discharge nozzle 30.Cylindrical cavity 10 is arranged in the powder-granule material Geldart-D particle elbow.Charging
Pipe 20 and discharge nozzle 30, are connected with cylindrical cavity 10, and the axis of feed pipe 20 and the axis angle of discharge nozzle 30 are obtuse angle,
The axis of feed pipe 20 is directed away from the side eccentric setting of discharge nozzle 30 relative to the centre of gyration of cylindrical cavity 10, discharging
The axis of pipe 30 is directed away from the side eccentric setting of feed pipe 20 relative to the centre of gyration of cylindrical cavity 10.
It should be noted that in the utility model embodiment, the axis of feed pipe 20 and the axis angle of discharge nozzle 30
Span is 90 ° to 135 ° (including two endpoint values).
Because feed pipe 20 and discharge nozzle 30 are both with respect to the centre of gyration eccentric setting of cylindrical cavity 10, in pneumatic transporting
When sending, gas-solid mixture has sub-fraction gas-solid mixture thing in Fig. 1 after entering cylindrical cavity 10 by feed pipe 20
Material accumulation area 90 is formed to be flowed forward or backwards, so as to cause gas-solid mixture to produce accumulation (in Fig. 1 in the solid accumulation area 90
Material can accumulate camber), and enter discharging by cylindrical cavity 10 by most of gas-solid mixture that feed pipe 20 conveys
During pipe 30, the stacking material in the solid accumulation area 90 in cylindrical cavity 10 can be washed away, so as to be formed " material abrasive material "
Phenomenon (i.e. material and material friction, will not wear elbow, reduce material and the broken influence to material particular diameter of elbow collision), from
And reduce abrasion of the gas-solid mixture to powder-granule material Geldart-D particle elbow, extend the use of powder-granule material Geldart-D particle elbow
Life-span.
Specifically, as shown in figure 1, above-mentioned powder-granule material Geldart-D particle is vertically set with the sectional view of elbow, wherein
The axis of feed pipe 20 is parallel with vertical direction, the axis and horizontal direction parallel of discharge nozzle 30.Cross returning for cylindrical cavity 10
Turning center has the first line of reference being vertically arranged and horizontally disposed second line of reference.The axis of the feed pipe 20 and the first ginseng
Left side parallel according to line and positioned at the first line of reference.The axis of the discharge nozzle 30 is parallel with the second line of reference and is located at the second reference
The upside of line (direction is the direction up and down in Fig. 1 up and down for this).
Further, the periphery of feed pipe 20 is fixedly installed the first ring loose flange 21 for connection；Discharge nozzle 30
Periphery be fixedly installed the second ring loose flange 31 for connection.First ring loose flange 21 and the second ring pine set method are set
Orchid 31, the first ring loose flange 21 and the second ring loose flange 31 and pipe flange bolt when installing or changing elbow can be avoided
The problem of hole azimuth deviation is excessive.
The solid accumulation area 90 is shaped as convex structure, the both ends in the solid accumulation area 90 respectively with feed pipe 20
Connected on the outside of the entrance of outlet outside and discharge nozzle 30.The size in the solid accumulation area 90 is according to feed pipe 20 and discharge nozzle 30
Position determines.
Preferably, the diameter d2 of discharge nozzle 30 and the diameter d1 of feed pipe 20 are identical.The diameter D of cylindrical cavity 10 be into
3 times to 5 times of the diameter d1 of expects pipe 20.
In the utility model embodiment the axis of feed pipe 20 relative to the centre of gyration of cylindrical cavity 10 eccentric throw
From 0.15 times to 0.2 times that a1 is the diameter of feed pipe 20.The axis of discharge nozzle 30 relative to cylindrical cavity 10 the centre of gyration
Eccentric distance a2 be 0.15 times to 0.2 times of the diameter of discharge nozzle 30.
Eccentric distance in the utility model embodiment is most preferably eccentric distance, and gas-solid can be optimized apart from interior at this
The transfer efficiency of mixture, additionally it is possible to make gas-solid mixture accumulation as few as possible in solid accumulation area 90 but can guarantee that gas
Solid mixture will not produce abrasion to powder-granule material Geldart-D particle elbow.
As shown in figure 1, the powder-granule material Geldart-D particle in the utility model embodiment also includes inspection socket 40 with elbow, with
Cylindrical cavity 10 is connected and is oppositely arranged with feed pipe 20, the axis of inspection socket 40 and the axis collinear of feed pipe 20.
Inspection socket 40 is set, powder-granule material Geldart-D particle can be safeguarded and overhauled with elbow by inspection socket 40, no
Need to dismantle powder-granule material Geldart-D particle with elbow and above-mentioned maintenance and inspection operation can be achieved.Also, pass through the inspection
Mouth 40 can observe the abrasion condition in powder-granule material Geldart-D particle elbow at any time, be confirmed whether that needs carry out changing powder-granule material gas
Power conveying elbow.
In the utility model embodiment, the diameter d3 of inspection socket 40 and the diameter d1 of feed pipe 20 can with it is identical (but according to
Difference needs, and the diameter d3 of the inspection socket 40 can also be different from the diameter d1 of feed pipe 20.).One end of inspection socket 40 and circle
Cylindrical inner chamber 10 connects, and the other end outer surface of inspection socket 40 is provided with flange assembly.
Wherein, flange assembly includes socket welding flange 41, flange gasket 42, blind flange 43 and studs 44.The flange
Component is prior art, and no longer its structure is described in detail with installation method herein.
It should be noted that the utility model embodiment is when in use, gas-solid mixture can preferentially be full of above-mentioned inspection socket
40, then accumulated by solid accumulation area 90, the structure formed in Fig. 1.During normal use, above-mentioned inspection socket 40 is closing
's.
The utility model embodiment opens blind flange 43, by being stretched into inspection socket 40 in endoscopy in maintenance
Portion's abrasion condition, timely processing of pinpointing the problems or replacing.It is only logical without integral demounting in the utility model embodiment putty
Crossing inspection socket 40 can be dredged.
When the utility model embodiment works, gas-solid mixture is entered in cylindrical cavity 10 by feed pipe 20, in thing
Material accumulation area 90 is piled into arcuate structure.Feed pipe 20 continues to feed, and gas-solid mixture is moving clockwise along Fig. 1
Afterwards, enter in discharge nozzle 30 and discharge after solid accumulation area 90 is covert.
As can be seen from the above description, the utility model the above embodiments realize following technique effect：Reduce
Abrasion of the gas-solid mixture to elbow, extend the service life of elbow；So that elbow is easily installed or changed；Elbow can not be dismantled
Carry out block clearing and check elbow inter deterioration situation；Reduce the problem of pulverized coal particle crushes in elbow.
It is described above, only specific embodiment of the utility model, it is impossible to which the scope that utility model implemented, institute are limited with it
With the displacement of its equivalent assemblies, or the equivalent variations made according to the utility model patent protection domain and modification, it should all still fall within
The category that this patent is covered.In addition, between technical characteristic and technical characteristic in the utility model, technical characteristic and technical scheme
Between, can be used with independent assortment between technical scheme and technical scheme.
Claims (10)
- A kind of 1. powder-granule material Geldart-D particle elbow, it is characterised in that including：Cylindrical cavity (10), it is arranged in the powder-granule material Geldart-D particle elbow；Feed pipe (20) and discharge nozzle (30), are connected with cylindrical cavity (10), the axis and discharge nozzle of feed pipe (20) (30) axis angle is obtuse angle, and the axis of feed pipe (20) is directed away from out relative to the centre of gyration of cylindrical cavity (10) The side eccentric setting of expects pipe (30), the axis of discharge nozzle (30) are directed away from relative to the centre of gyration of cylindrical cavity (10) The side eccentric setting of feed pipe (20).
- 2. powder-granule material Geldart-D particle elbow according to claim 1, it is characterised in that the axis of feed pipe (20) is relative In 0.15 times to 0.2 times that the eccentric distance of the centre of gyration of cylindrical cavity (10) is feed pipe (20) diameter.
- 3. powder-granule material Geldart-D particle elbow according to claim 1, it is characterised in that the axis of discharge nozzle (30) is relative In 0.15 times to 0.2 times that the eccentric distance of the centre of gyration of cylindrical cavity (10) is discharge nozzle (30) diameter.
- 4. powder-granule material Geldart-D particle elbow according to any one of claim 1 to 3, it is characterised in that discharge nozzle (30) diameter is identical with the diameter of feed pipe (20).
- 5. powder-granule material Geldart-D particle elbow according to claim 4, it is characterised in that the diameter of cylindrical cavity (10) For 3 times to 5 times of feed pipe (20) diameter.
- 6. powder-granule material Geldart-D particle elbow according to any one of claim 1 to 3, it is characterised in that feed pipe (20) span of axis and the axis angle of discharge nozzle (30) is 90 ° to 135 °.
- 7. powder-granule material Geldart-D particle elbow according to any one of claim 1 to 3, it is characterised in that the powder-granule material Geldart-D particle also includes inspection socket (40) with elbow, connects with cylindrical cavity (10) and is oppositely arranged with feed pipe (20), inspection Look into the axis of mouth (40) and the axis collinear of feed pipe (20).
- 8. powder-granule material Geldart-D particle elbow according to claim 7, it is characterised in that the diameter of inspection socket (40) is with entering The diameter of expects pipe (20) is identical.
- 9. powder-granule material Geldart-D particle elbow according to claim 7, it is characterised in that one end of inspection socket (40) and circle Cylindrical inner chamber (10) connects, and the other end outer surface of inspection socket (40) is provided with flange assembly.
- 10. powder-granule material Geldart-D particle elbow according to any one of claim 1 to 3, it is characterised in that feed pipe (20) periphery is fixedly installed the first ring loose flange (21) for connection；The periphery fixed setting of discharge nozzle (30) is useful In the second ring loose flange (31) of connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720728274.1U CN206814001U (en) | 2017-06-21 | 2017-06-21 | Powder-granule material Geldart-D particle elbow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720728274.1U CN206814001U (en) | 2017-06-21 | 2017-06-21 | Powder-granule material Geldart-D particle elbow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206814001U true CN206814001U (en) | 2017-12-29 |
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ID=60761249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720728274.1U Active CN206814001U (en) | 2017-06-21 | 2017-06-21 | Powder-granule material Geldart-D particle elbow |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206814001U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107082282A (en) * | 2017-06-21 | 2017-08-22 | 北京石油化工工程有限公司 | Powder-granule material Geldart-D particle elbow |
-
2017
- 2017-06-21 CN CN201720728274.1U patent/CN206814001U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107082282A (en) * | 2017-06-21 | 2017-08-22 | 北京石油化工工程有限公司 | Powder-granule material Geldart-D particle elbow |
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