CN205855391U - For the issuance of materials device that granular solid is air conveying - Google Patents
For the issuance of materials device that granular solid is air conveying Download PDFInfo
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- CN205855391U CN205855391U CN201620765705.7U CN201620765705U CN205855391U CN 205855391 U CN205855391 U CN 205855391U CN 201620765705 U CN201620765705 U CN 201620765705U CN 205855391 U CN205855391 U CN 205855391U
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Abstract
A kind of issuance of materials device air conveying for granular solid, sprays into pipe, solid feed opening, gas-solid mixing room and gas-particle two-phase mixing bleed pipe including the gases at high pressure connected as one.Described gases at high pressure spray into pipe, gas-solid mixing room is on same central axis with gas-particle two-phase bleed pipe, gas-solid mixing room is formed at gases at high pressure and sprays between pipe and gas-particle two-phase bleed pipe, solid feed opening is positioned at the top of gas-solid mixing room, and gas-solid mixing room sprays into pipe, solid feed opening and gas-particle two-phase bleed pipe respectively and communicates with gases at high pressure.It is tapering type that described gases at high pressure spray into pipe, and described gas-particle two-phase mixing bleed pipe is gradual-enlargement type.This utility model is effectively improved conveying capacity for the issuance of materials device that granular solid is air conveying.
Description
Technical field
This utility model relates to a kind of issuance of materials device, a kind of issuance of materials device air conveying for granular solid.
Background technology
Issuance of materials device be in air-transport system feed use key equipment, due to its have structure relatively easy, safeguard
The advantages such as convenience are widely used.Air conveying transmitter is to utilize compressed gas as transferring working medium to carry granular solid
The critical equipment of grain.It is to utilize compressed-air actuated static energy, and by having the tract of a special construction, static energy is changed into
Dynamic pressure energy, can pass to solid particle by the gas dynamic pressure of conversion in issuance of materials device, makes solid particle suspend, accelerates, quilt simultaneously
Bring conveying mother's pipe into.Conventional issuance of materials device is all by solid material feeding mouth, gas nozzle, receiving chamber, mixing tube and anemostat
(also can be without) forms.The gas higher when static pressure is sprayed through narrow and small tract by nozzle, the very big (Mach number of gas flow rate
Up to about 0.5), after then gas enters the tract of less expansion angle, gas turbulence effect high development, in pipeline throat
Produce negative pressure.Solid particle is sucked into into blanking chamber under suction function, and then realizes gas-particle two-phase mixing, occurs therebetween
Energy exchange, solid is accelerated, and gas is decelerated, and the two sliding velocity is greatly reduced, but can cause a large amount of energy loss simultaneously.
Owing to conventional blanking device exists the defect of design aspect, cause gas-particle two-phase mixing uneven, greatly reduce sending out of issuance of materials device
Send ability.Simultaneously because mixing chamber design exists drawback, there is a large amount of flow dead in often making it, cause solid material long-term
Being detained, the solid stronger for water absorption easily lumps, and causes the internal blocking of issuance of materials device.Some issuance of materials device is due to design structure not
Flowing rationally can be made uneven, cause the phenomenons such as some regional area abrasion increase.
Utility model content
In order to overcome drawbacks described above, this utility model provides a kind of issuance of materials device air conveying for granular solid, institute
State and promote transmitting capacity for the issuance of materials device that granular solid is air conveying, stable, energy consumption is relatively low.
This utility model be the technical scheme is that a kind of for granular solid strength to solve its technical problem
The issuance of materials device of conveying, sprays into pipe, solid feed opening, gas-solid mixing room and gas-particle two-phase including the gases at high pressure connected as one mixed
Closing bleed pipe, described gases at high pressure spray into pipe, gas-solid mixing room is on same central axis with gas-particle two-phase bleed pipe, gas-solid
Mixing chamber is formed at gases at high pressure and sprays between pipe and gas-particle two-phase bleed pipe, and solid feed opening is positioned at the upper of gas-solid mixing room
Side, gas-solid mixing room sprays into pipe, solid feed opening and gas-particle two-phase bleed pipe respectively and communicates with gases at high pressure, described gases at high pressure
It is tapering type for spraying into pipe, and described gas-particle two-phase mixing bleed pipe is gradual-enlargement type.
As further improvement of the utility model, the central axis of described solid feed opening and gases at high pressure spray into pipe,
Central axis residing for gas-solid mixing room, gas-particle two-phase bleed pipe is in a certain angle, and this angle is more than the internal friction of solid powder
Angle.
As further improvement of the utility model, described gases at high pressure spray into pipe and include that carrying trachea connects pipeline, method
Blue connection dish and traction therapy that reducing pipe, described conveying trachea connects pipeline and welds between Flange joint dish, described conveying gas
Between your reducing pipe of pipe connected pipe road and traction therapy coaxial and for threadeding.
As further improvement of the utility model, the taper angle of described traction therapy that reducing pipe is 8-15 °.
As further improvement of the utility model, the outlet of described traction therapy that reducing pipe is positioned in gas-solid mixing room
The heart.
As further improvement of the utility model, it is tangential round and smooth phase between described gas-solid mixing room and solid feed opening
Even.
As further improvement of the utility model, described solid feed opening include the feed opening flange that connects as one and
Feed opening inwall, described feed opening Flange joint is between blanking bin and feed opening inwall, and described feed opening inwall mixes with gas-solid
Conjunction room is tangentially connected.
As further improvement of the utility model, it is tangent circle between described gas-solid mixing room and gas-particle two-phase bleed pipe
Sliding connected.
As further improvement of the utility model, described gas-particle two-phase bleed pipe includes the flat part connected as one
Point, flaring part and end flange, described straight portion is tangentially connected with gas-solid mixing room, and described end flange is female with conveying manages
Connect.
As further improvement of the utility model, the flaring angle of described flaring part is 8-15 °.
The beneficial effects of the utility model are: this utility model is used for the issuance of materials device that granular solid is air conveying, inner chamber
For first reducing rear diffused structure, the suction effectively eliminating current existing loader is not enough, there is Dead space and material is stagnant
Stay the drawback in district, be effectively improved conveying capacity.Meanwhile, gas-solid mixing room is more easy to make solid due to the negative pressure that la farr pipe produces
Powder flows, and then reduces Dual-Phrase Distribution of Gas olid mixing in mixing chamber and the share of energy exchange.
Accompanying drawing explanation
Fig. 1 is this utility model for the constitutional diagram of the air conveying issuance of materials device of granular solid.
Comparison the figures above, is supplemented as follows explanation:
1---gases at high pressure spray into pipe 2---solid feed opening
3---gas-solid mixing room 4---gas-particle two-phase mixing bleed pipe
11---conveying trachea connects pipeline 12---Flange joint dish
13---traction therapy that reducing pipe 21---feed opening flange
22---feed opening inwall 41---straight portion
42---flaring part 43---end flange
Detailed description of the invention
A kind of issuance of materials device air conveying for granular solid, sprays into pipe 1 including the gases at high pressure connected as one, consolidates
Body feed opening 2, gas-solid mixing room 3 and gas-particle two-phase mixing bleed pipe 4.Described gases at high pressure spray into pipe 1, gas-solid mixing room 3 with
Gas-particle two-phase bleed pipe 4 is on same central axis, and gas-solid mixing room 3 is formed at gases at high pressure and sprays into pipe 1 and gas-particle two-phase
Between bleed pipe 4, solid feed opening 2 is positioned at the top of gas-solid mixing room 3, and gas-solid mixing room 3 sprays into pipe with gases at high pressure respectively
1, solid feed opening 2 and gas-particle two-phase bleed pipe 4 communicate.It is tapering type that described gases at high pressure spray into pipe 1, and described gas-particle two-phase mixes
Closing bleed pipe 4 is gradual-enlargement type.
Laval nozzle is to be made up of two conical pipes, before the first stage be collapsible tube, after second stage for expansion
Pipe.In the first stage, gasmovement is followed, and " when fluid moves in pipe, little place, cross section flow velocity is big, cross section little " of general goal flow velocity
Principle, therefore air-flow constantly accelerates.When arriving narrow larynx, flow velocity has been over velocity of sound.And transonic fluid is when motion
The most no longer follow the principle of " little place, cross section flow velocity is big, and cross section general goal flow velocity is little ", but on the contrary, cross section is the biggest, flow velocity is more
Hurry up, therefore, in second stage, the speed of combustion gas stream is further accelerated, and for 2-3 kilometer per second, is equivalent to 7-8 times of velocity of sound, so
Just create huge thrust.Laval nozzle actually serves the effect of " flow velocity enhancer ".
The central axis of described solid feed opening 2 and gases at high pressure spray into pipe 1, gas-solid mixing room 3, gas-particle two-phase bleed pipe
Central axis residing for 4 is in a certain angle, and this angle is more than the internal friction angle of solid powder.That is, tangent binding pattern is used,
Solid particle can be conducive to flow into rapidly in issuance of materials device, transferred out rapidly simultaneously.Avoiding problems what some easily lumpd
Granule results in blockage in being present in issuance of materials device for a long time phenomenon.
Described gases at high pressure spray into pipe 1 and include that conveying trachea connection pipeline 11, Flange joint dish 12 and traction therapy that are tapered
Pipe 13, described conveying trachea connects pipeline 11 and welds between Flange joint dish 12, and described conveying trachea connects pipeline 11 and draws
Between Fa Er reducing pipe 13 coaxial and be threaded.Flange joint dish 12 is used for and high-pressure delivery gas tube (not shown) phase
Connect.The taper angle of described traction therapy that reducing pipe 13 is 8-15 °.The outlet of described traction therapy that reducing pipe 13 is positioned at gas-solid mixing room
The center of 3.
Round and smooth it is connected for tangential between described gas-solid mixing room 3 and solid feed opening 2.
Described solid feed opening 2 includes feed opening flange 21 and the feed opening inwall 22 connected as one, described feed opening
Flange 21 is connected between blanking bin (not shown) and feed opening inwall 22, and described feed opening inwall 22 is cut with gas-solid mixing room 3
To connection.
Round and smooth it is connected for tangential between described gas-solid mixing room 3 and gas-particle two-phase bleed pipe 4.
Described gas-particle two-phase bleed pipe 4 includes straight portion 41, flaring part 42 and the end flange 43 connected as one,
Described straight portion 41 is tangentially connected with gas-solid mixing room 3, and described end flange 43 is connected with conveying mother's pipe (not shown).Described
The flaring angle of flaring part 42 is 8-15 °.
This utility model issuance of materials device inner chamber is for first to reduce rear diffused structure, and therefore, this utility model issuance of materials device is traction therapy
That tubular type issuance of materials device, thus the suction effectively eliminating current existing loader is not enough, there is Dead space and material lagging district
Drawback.Meanwhile, gas-solid mixing room 3 is more easy to make solid powder flow due to the negative pressure that la farr pipe produces, and then reduces gas-solid
Two phase flow mixing in mixing chamber and the share of energy exchange.This utility model is for granular solid air conveying traction therapy that
Tubular type issuance of materials device, conveying capacity improves a lot, and improves more than 20% than the most common injecting type blanking device conveying capacity.Whole
Issuance of materials device is easy to cast molding, and the most tapering type gases at high pressure spray into pipe 1, gas-solid mixing room 3, solid feed opening 2, gradual-enlargement type gas
Gu use rounding off to connect between biphase bleed pipe 4, these slow down the solid particle violent journey of collision to this intra-zone
Degree and the degree of wear, not only save energy consumption but also improve the service life of issuance of materials device.
Claims (10)
1., for the issuance of materials device that granular solid is air conveying, spray into pipe, solid including the gases at high pressure connected as one
Feed opening, gas-solid mixing room and gas-particle two-phase mixing bleed pipe, described gases at high pressure spray into pipe, gas-solid mixing room and gas-particle two-phase
Bleed pipe is on same central axis, and gas-solid mixing room is formed at gases at high pressure and sprays between pipe and gas-particle two-phase bleed pipe,
Solid feed opening is positioned at the top of gas-solid mixing room, and gas-solid mixing room sprays into pipe, solid feed opening and gas respectively with gases at high pressure
Gu biphase bleed pipe communicates, it is characterized in that: it is tapering type that described gases at high pressure spray into pipe, and described gas-particle two-phase mixing bleed pipe is
Gradual-enlargement type.
The issuance of materials device air conveying for granular solid the most according to claim 1, is characterized in that: described solid blanking
It is a clamp that the central axis of mouth and gases at high pressure spray into the central axis residing for pipe, gas-solid mixing room, gas-particle two-phase bleed pipe
Angle, this angle is more than the internal friction angle of solid powder.
The issuance of materials device air conveying for granular solid the most according to claim 1, is characterized in that: described gases at high pressure
Spray into pipe to include carrying trachea and connect pipeline, your reducing pipe of Flange joint dish and traction therapy, described conveying trachea connect pipeline with
Welding between Flange joint dish, described conveying trachea connects between your reducing pipe of pipeline and traction therapy coaxial and for threadeding.
The issuance of materials device air conveying for granular solid the most according to claim 3, is characterized in that: described traction therapy that is gradually
The taper angle of the draw is 8-15 °.
The issuance of materials device air conveying for granular solid the most according to claim 3, is characterized in that: described traction therapy that is gradually
The outlet of the draw is positioned at the center of gas-solid mixing room.
The issuance of materials device air conveying for granular solid the most according to claim 1, is characterized in that: described gas-solid mixing
Round and smooth it is connected for tangential between room with solid feed opening.
The issuance of materials device air conveying for granular solid the most according to claim 6, is characterized in that: described solid blanking
Mouth includes feed opening flange and the feed opening inwall connected as one, and described feed opening Flange joint is in blanking bin and feed opening
Between wall, described feed opening inwall is tangentially connected with gas-solid mixing room.
The issuance of materials device air conveying for granular solid the most according to claim 1, is characterized in that: described gas-solid mixing
Round and smooth it is connected for tangential between room with gas-particle two-phase bleed pipe.
The issuance of materials device air conveying for granular solid the most according to claim 8, is characterized in that: described gas-particle two-phase
Bleed pipe includes straight portion, flaring part and the end flange connected as one, and described straight portion is cut with gas-solid mixing room
To connection, described end flange pipe female with conveying is connected.
The issuance of materials device air conveying for granular solid the most according to claim 9, is characterized in that: described flaring portion
The flaring angle divided is 8-15 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620765705.7U CN205855391U (en) | 2016-07-20 | 2016-07-20 | For the issuance of materials device that granular solid is air conveying |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620765705.7U CN205855391U (en) | 2016-07-20 | 2016-07-20 | For the issuance of materials device that granular solid is air conveying |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205855391U true CN205855391U (en) | 2017-01-04 |
Family
ID=57647695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620765705.7U Active CN205855391U (en) | 2016-07-20 | 2016-07-20 | For the issuance of materials device that granular solid is air conveying |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205855391U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105966921A (en) * | 2016-07-20 | 2016-09-28 | 苏州中材建设有限公司 | Material issuing device for powdered solid and gas conveying |
-
2016
- 2016-07-20 CN CN201620765705.7U patent/CN205855391U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105966921A (en) * | 2016-07-20 | 2016-09-28 | 苏州中材建设有限公司 | Material issuing device for powdered solid and gas conveying |
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