CN206767114U - A kind of fine coal pressurization fluidization conveying device - Google Patents
A kind of fine coal pressurization fluidization conveying device Download PDFInfo
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- CN206767114U CN206767114U CN201720607865.3U CN201720607865U CN206767114U CN 206767114 U CN206767114 U CN 206767114U CN 201720607865 U CN201720607865 U CN 201720607865U CN 206767114 U CN206767114 U CN 206767114U
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- fine coal
- fluidisation
- conveying device
- conical shell
- pressurizes
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Abstract
Pressurizeed fluidization conveying device, including conical shell and installed in the inside of conical shell and the fluidisation element of installation coaxial with conical shell the utility model discloses a kind of fine coal；The fluidisation element is pyramidal structure, it includes fluidisation area, wall at fluidisation area includes the porous interior MULTILAYER COMPOSITE sintering metal felt strengthened cylinder and be fixed on porous interior reinforcement tube outer surface of internal layer, multiple through holes are distributed on the porous interior reinforcement cylinder, the internal layer and outer layer of MULTILAYER COMPOSITE sintering metal felt are precise silk screen；Two inert gas imports are symmetrically arranged with the conical shell, inert gas air inlet is oppositely arranged with fluidizing the fluidisation area of element.The online fluidisation of fine coal is realized, is fluidized in fine coal course of conveying, fluidized gas provides the pressure of fine coal conveying simultaneously, simplifies the structure of air-transport system, and improve fluid effect.And the structure of fluidizer is improved, solves the problems, such as that pipeline blocks, fine coal supply stops.
Description
Technical field
The utility model is more particularly to a kind of fine coal pressurization fluidization conveying device.
Background technology
, it is necessary to carry out Geldart-D particle to coal dust in gasifying powder coal device.The method of existing Geldart-D particle is by coal dust
It is sent to by normal pressure storehouse via transformation storehouse in high pressure cylinder Pulverized Coal Bin.Treat that the coal dust material in high pressure Pulverized Coal Bin reaches high charge level
When, stop charging.Coal dust amount and the nozzle quantity to put into operation according to needed for gasification furnace, open corresponding fluidized wind manage-style control valve door
And corresponding discharging control valve, fluidized wind through fluidize airduct enter each independent air compartment, through air distribution plate after to the coal in material issuing tank
Powder is fluidized, and the coal dust after being fluidized conveys under the pressure-driven of pressurising wind along discharge nozzle.It is defeated to adjust to introduce supplement wind
Send solid-gas ratio.Fluidized wind, pressurising wind and supplement wind are directed to, fluidized wind is usually to be passed through in the bottom of high pressure Pulverized Coal Bin,
Coal dust is fluidized, pressurising wind is passed through at the top of high pressure coal bunker, and supplement wind is passed through in the side of high pressure coal bunker.Due to three
The pressure difference of kind wind, position difference etc. is passed through, improves the complexity of powder fluidized system.And in high pressure Pulverized Coal Bin
The amount of coal dust is larger, at the same substantial amounts of coal dust is fluidized, high-pressure delivery when, the requirement to fluidized wind and high-pressure blast is higher,
And it is difficult to even fluidizing and uniform high-pressure delivery.
Utility model content
Needs are conveyed according to coal dust, attempt to be provided with online pressurization fluidizer, it fluidizes internals using powder sintered
Belong to material, the material is formed by powder sintered, forms small through hole, and air-flow passes through from outside, and fine coal is fluidized into inner side
Pressurized delivered, the material hardness is high, plasticity is low, fragility is big, due to air-flow differential and gas pressure oscillation, through transporting after a while
There is fragmentation in the row pressurization powder sintered metal internals of fluidizer, and the sintered part of fragmentation conveys into fine coal in the presence of air-flow
Pipeline, cause pipeline to block, fine coal supply cutout, ultimately cause system shutdown.
In order to solve technical problem present in above-mentioned prior art, the purpose of this utility model is to provide a kind of fine coal and added
Fluidization conveying device is pressed, the pressurization fluidizer can realize the online fluidisation of fine coal, be fluidized in fine coal course of conveying, fluidize
Gas provides the pressure of fine coal conveying simultaneously, simplifies the structure of air-transport system, and improve fluid effect.And convection current
Disguise the structure put to be improved, solve the problems, such as pipeline blocking, fine coal supply cutout, be the stable fortune of long period of system
Row provides guarantee.
In order to solve problem above, the technical solution of the utility model is：
A kind of fine coal pressurizes fluidization conveying device, including conical shell and installed in the inside of conical shell and and conically shaped
The fluidisation element of the coaxial installation of body；
The fluidisation element be pyramidal structure, and it includes fluidisation area, and the wall at fluidisation area is porous interior including internal layer
Strengthen cylinder and be fixed on the porous interior MULTILAYER COMPOSITE sintering metal felt for strengthening tube outer surface, distribution is more on the porous interior reinforcement cylinder
Individual through hole, the internal layer and outer layer of MULTILAYER COMPOSITE sintering metal felt are precise silk screen；
Two inert gas imports, the stream of inert gas air inlet and fluidisation element are symmetrically arranged with the conical shell
Change region to be oppositely arranged.
Element is fluidized using the strong MULTILAYER COMPOSITE sintering metal felt of deformed damaged ability, and porous interior reinforcement shell ring is set,
Prevent to sinter filter element damage, cause pipeline to block, the bottleneck problem of fine coal supply cutout, be system long-period stable operation
Provide safeguard.
The cylinder and fluidisation element of fluidizer use pyramidal structure, in use, the bigger diameter end and fine coal of conical shell
Tank connects, and down, when being passed through inert gas, inert gas can apply active force to miner diameter end to fine coal, and fine coal is under pressure
It can fluidize, because the space of top is larger, fine coal has larger fluidizing space, is advantageous to the abundant fluidisation of fine coal.
The pressure of fluidisation area is larger, and the miner diameter end of conical shell is down, and is connected with fine coal conveyance conduit, fluidisation
Fine coal afterwards can move downward under high pressure and self gravitation effect, at a high speed into fine coal conveyance conduit, be advantageous to the stream of fine coal
Change conveying.
Further, the bigger diameter end of the conical shell and miner diameter end are mounted on adpting flange.
Further, the fluidisation element is divided into upper linkage section, fluidisation area and lower company from bigger diameter end to miner diameter end
Section is connect, fluidisation element is fixedly mounted on the inside of conical shell by upper linkage section and lower linkage section.
Fluidisation area flows through fluidisation area positioned at the middle part of fluidisation element, fine coal during being fallen in fluidizing element
When be fluidized, fluidize element upper linkage section and lower linkage section for fluidisation provide larger space, be advantageous to fill fine coal
Shuntingization.
Further, the lower end of the lower linkage section of the fluidisation element is connected with guiding fairlead.
Fine coal after the fluidisation that can will be fluidized by being oriented to fairlead in element leads to power transportation pipe.
Further, the base angle of the pyramidal structure of the fluidisation element is 65-85 °.The pyramidal structure for fluidizing element is entered
Row limits, and the fluidisation element can play more preferable fluid effect.
Further, the porous interior a diameter of 5-15mm for strengthening through hole on cylinder.
Further, the porous interior through-hole diameter for strengthening cylinder is 10-15mm.
Further, the porous interior percent opening for strengthening cylinder is 35-50%.
Further, the MULTILAYER COMPOSITE sintering metal felt is formed using 7-10 layers sintering silk screen sintering.
Further, the bigger diameter end of the fluidisation element and the diameter ratio of miner diameter end are 6-10.Such fluidisation element tool
There is more preferable fluid effect.
Further, it is provided with impingement baffle on the inside of the inert gas import, uniform through hole on impingement baffle, impingement baffle covers
The cross section of lid inert gas import, and gap is left between the inwall of conical shell.Air-flow is carried out uniformly, simultaneously to alleviate
Air-flow flings damage to sintered filtering element.
The beneficial effects of the utility model are：
Optimization fluidizer structure and material selection, two air inlets of fluidizer are symmetrically and evenly set, ventilation fluidisation member
Part sets porous interior reinforcement shell ring using the strong MULTILAYER COMPOSITE sintering metal felt of resistance to deformation damage capability, to the more of plasticity
The complex sintered metal felt of layer plays a part of inner support reinforcement, while prevents sintering metal felt from entering fine coal pipe under limiting damage
In line, cause pipeline to block, the bottleneck problem of fine coal supply cutout, provided safeguard for system long-period stable operation.
The cylinder and fluidisation element of fluidizer use pyramidal structure, in use, the bigger diameter end and fine coal of conical shell
Tank connects, and down, when being passed through inert gas, inert gas can apply active force to miner diameter end to fine coal, and fine coal is under pressure
It can fluidize, because the space of top is larger, fine coal has larger fluidizing space, is advantageous to the abundant fluidisation of fine coal.
The pressure of fluidisation area is larger, and the miner diameter end of conical shell is down, and is connected with fine coal conveyance conduit, fluidisation
Fine coal afterwards can move downward under high pressure and self gravitation effect, at a high speed into fine coal conveyance conduit, be advantageous to the stream of fine coal
Change conveying.
Brief description of the drawings
The Figure of description for forming the part of the application is used for providing further understanding of the present application, and the application's shows
Meaning property embodiment and its illustrate be used for explain the application, do not form the improper restriction to the application.
Fig. 1 is the overall structure diagram of fine coal pressurization fluidizer of the present utility model；
Fig. 2 is the structural representation of fluidisation element of the present utility model；
Fig. 3 is the enlarged drawing at A in Fig. 2；
Fig. 4 is the porous interior close-up schematic view for strengthening cylinder.
Wherein, 1, fine coal tank fine coal outlet adpting flange, 2, upper adpting flange, 3, conical shell, 4, inert gas import,
5th, punching is put, 6, lower link flange, 7, fine coal adapter linkage section, 8, upper linkage section, 9, fluidisation area, 10, lower linkage section, 11,
It is oriented to fairlead, 12, MULTILAYER COMPOSITE sintering metal felt, 13, porous interior reinforcement cylinder.
Embodiment
It is noted that described further below is all exemplary, it is intended to provides further instruction to the application.It is unless another
Indicate, all technologies used herein and scientific terminology are with usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in this manual using term "comprising" and/or " bag
Include " when, it indicates existing characteristics, step, operation, device, component and/or combinations thereof.
As depicted in figs. 1 and 2, a kind of fine coal pressurization fluidization conveying device, fine coal tank fine coal outlet adpting flange 1, fine coal
Pressurize adpting flange 2 on fluidizer, fine coal pressurization fluidizer conical shell 3, fine coal pressurization fluidisation inert gas import 4,
Under impingement baffle 5, fine coal pressurization fluidizer on the fluidisation element of adpting flange 6, fine coal adapter linkage section 7, the fluidizer that pressurizes
Linkage section 8, the fluidisation element fluidisation area 9 of pressurization fluidizer, the fluidizer that pressurizes fluidisation element under linkage section 10, fine coal
Guiding fairlead 11, MULTILAYER COMPOSITE sintering metal felt 12, the porous interior cylinder 13 and related fittings etc. strengthened of conveying form.
As shown in Figure 3 and Figure 4, it is pyramidal structure to fluidize element, and it includes fluidisation area 9, and the wall at fluidisation area 9 includes
The porous interior MULTILAYER COMPOSITE sintering metal felt 12 strengthened cylinder 13 and be fixed on porous interior reinforcement cylinder 13 outer surface of internal layer is described more
Strengthen being distributed multiple through holes on cylinder 13 in hole, the internal layer and outer layer of MULTILAYER COMPOSITE sintering metal felt 12 are precise silk screen；
Two inert gas imports 4, the fluidisation of inert gas air inlet 4 and fluidisation element are symmetrically arranged with conical shell
Region is oppositely arranged.The base angle for fluidizing the pyramidal structure of element is 65-85 °.The porous interior a diameter of 5- for strengthening through hole on cylinder 13
15mm, preferably 10-15mm.The porous interior percent opening for strengthening cylinder is 35-50%.
Fine coal pressurization fluidization conveying device, agent structure are divided into fluidizer shell body and fluidizer internals two parts,
Adpting flange 2 on fine coal pressurization fluidizer is set in fluidizer shell body, connected with fine coal tank fine coal outlet adpting flange 1
Connect；Set two fine coal being arranged symmetrically to pressurize on fine coal pressurization fluidizer conical shell 3 and fluidize indifferent gas imports 4, two
Impingement baffle 5 is set on the inside of individual fluidizing inert gas import, uniform air-flow of alleviating simultaneously is carried out to air-flow to the straight of sintering filter element
Punching damage；The makeup of fine coal pressurized stream installs lower adpting flange 6 and is connected with fine coal adapter linkage section 7, forms complete fluidisation dress
Put cavity；Gas fluidized device internals (see Fig. 2 structures) are set in pressurization fluidizer, pressurized stream makeup is divided into internals
It is defeated to put linkage section 8 and linkage section 10, fine coal under pressurization fluidizer internals fluidisation area 9, pressurization fluidizer internals in internals
Send guiding fairlead 11 to be fixed to be welded as a whole；Fluidizer internals of pressurizeing fluidisation area 9 is burnt by MULTILAYER COMPOSITE
Tie metal felt 12 and the porous interior novel durable for strengthening the combination of cylinder 13, anti-blocking streaming architecture；Wherein, MULTILAYER COMPOSITE sintering metal felt
12 are formed from 7~10 layers of sintering silk screen sintering, and surfaces externally and internally layer is according to the size of pulverized coal particle (5~90 microns) from stop
The precise silk screen that fine coal passes through, only allow gas to pass through, prevent fine coal adverse current；Set in the inner side of MULTILAYER COMPOSITE sintering metal felt 12
Porous interior reinforcement cylinder 13, it strengthens being uniform staggered with airflow hole (as shown in Figure 3 and Figure 4) on cylinder.
Two fine coal being arranged symmetrically pressurization fluidisation indifferent gas imports are set on fine coal pressurization fluidizer conical shell 3
4, two fluidizing inert gas imports inner sides set impingement baffle 5, air-flow are carried out uniform while alleviate air-flow to sintered filtering element
Fling damage.
Novel powdered coal pressurization fluidization conveying device of the present invention, pressurization fluidizer internals fluidisation area is burnt by MULTILAYER COMPOSITE
Tie metal felt 12 and the porous interior novel durable for strengthening the combination of shell ring 13, anti-blocking streaming architecture.
Novel powdered coal pressurization fluidization conveying device of the present invention, MULTILAYER COMPOSITE sintering metal felt 12 is from 7~10 layers of sintering silk
Net sintering forms, the precise silk screen that surfaces externally and internally layer is passed through according to the size of pulverized coal particle (5~90 microns) from stop fine coal,
Only gas passes through, and prevents fine coal adverse current.
It is not new to this practicality although above-mentioned specific embodiment of the present utility model is described with reference to accompanying drawing
The limitation of type protection domain, one of ordinary skill in the art should be understood that on the basis of the technical solution of the utility model, ability
Field technique personnel need not pay the various modifications that creative work can make or deformation still in protection model of the present utility model
Within enclosing.
Claims (10)
- The fluidization conveying device 1. a kind of fine coal pressurizes, it is characterised in that：Including conical shell and installed in the inside of conical shell And the fluidisation element of installation coaxial with conical shell；The fluidisation element is pyramidal structure, and it includes fluidisation area, and the wall at fluidisation area includes the porous interior reinforcement of internal layer Cylinder and the porous interior MULTILAYER COMPOSITE sintering metal felt for strengthening tube outer surface is fixed on, is distributed on the porous interior reinforcement cylinder multiple logical Hole, the internal layer and outer layer of MULTILAYER COMPOSITE sintering metal felt are precise silk screen；Two inert gas imports, the fluidization regions of inert gas air inlet and fluidisation element are symmetrically arranged with the conical shell Domain is oppositely arranged.
- The fluidization conveying device 2. fine coal according to claim 1 pressurizes, it is characterised in that：The bigger diameter end of the conical shell Adpting flange is mounted on miner diameter end.
- The fluidization conveying device 3. fine coal according to claim 1 pressurizes, it is characterised in that：The element that fluidizes is from bigger diameter end Upper linkage section, fluidisation area and lower linkage section are divided into miner diameter end, fluidisation element is consolidated by upper linkage section and lower linkage section Dingan County is mounted in the inside of conical shell.
- The fluidization conveying device 4. fine coal according to claim 3 pressurizes, it is characterised in that：The lower connection of the fluidisation element The lower end of section is connected with guiding fairlead.
- The fluidization conveying device 5. fine coal according to claim 1 pressurizes, it is characterised in that：The taper knot of the fluidisation element The base angle of structure is 65-85 °.
- The fluidization conveying device 6. fine coal according to claim 1 pressurizes, it is characterised in that：Lead on the porous interior reinforcement cylinder A diameter of 5-15mm in hole.
- The fluidization conveying device 7. fine coal according to claim 6 pressurizes, it is characterised in that：The porous interior reinforcement cylinder leads to Bore dia is 10-15mm.
- The fluidization conveying device 8. fine coal according to claim 1 pressurizes, it is characterised in that：The porous interior reinforcement cylinder is opened Porosity is 35-50%.
- The fluidization conveying device 9. fine coal according to claim 1 pressurizes, it is characterised in that：The MULTILAYER COMPOSITE sintering metal Felt is formed using 7-10 layers sintering silk screen sintering.
- The fluidization conveying device 10. fine coal according to claim 1 pressurizes, it is characterised in that：The big footpath of the fluidisation element End and the diameter ratio of miner diameter end are 6-10.
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| CN201720607865.3U CN206767114U (en) | 2017-05-27 | 2017-05-27 | A kind of fine coal pressurization fluidization conveying device |
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| CN201720607865.3U CN206767114U (en) | 2017-05-27 | 2017-05-27 | A kind of fine coal pressurization fluidization conveying device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107176464A (en) * | 2017-05-27 | 2017-09-19 | 鲁西化工集团股份有限公司 | A kind of fine coal pressurization fluidization conveying device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107176464A (en) * | 2017-05-27 | 2017-09-19 | 鲁西化工集团股份有限公司 | A kind of fine coal pressurization fluidization conveying device |
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