CN201507940U - A powder flow controller for an industrial furnace powder fuel conveying system - Google Patents
A powder flow controller for an industrial furnace powder fuel conveying system Download PDFInfo
- Publication number
- CN201507940U CN201507940U CN2009203082648U CN200920308264U CN201507940U CN 201507940 U CN201507940 U CN 201507940U CN 2009203082648 U CN2009203082648 U CN 2009203082648U CN 200920308264 U CN200920308264 U CN 200920308264U CN 201507940 U CN201507940 U CN 201507940U
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- impeller
- flow controller
- powder flow
- axial surface
- induction system
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Abstract
The utility model discloses a powder flow controller for an industrial furnace powder fuel conveying system. An impeller (3) is axially horizontally mounted in a frame (1) and connected with a drive device (6) and a feed port (4) corresponding with the axial surface of the impeller (3) is arranged above the frame (1) and a discharge port (5) corresponding wit the axial surface of the impeller (3) is arranged below the frame (1) and feed chutes in same volume are uniformly arranged on the axial surface of the impeller (3). The powder flow controller for the industrial furnace powder fuel conveying system has features of accurate flow control, uniform discharge, prevention of impeller deadlocking, convenient installation, long service life, less maintenance amount.
Description
Technical field
The utility model relates to a kind of Industrial Stoves field that is used for, and adopts the low pressure Pneumatic Conveying Technology to carry and the pulverized fuel of jetting, in order to the powder flow controller of control powder fuel delivery.
Background technology
Be used at present in the Industrial Stoves field, the equipment that is used for controlling fuel flow rate roughly has common revolving plow reclaimer (claiming flapper again), and screw machine and rotor such as claim at three kinds of modes, and all there is drawback separately in these three kinds of modes in actual use.Though use common revolving plow reclaimer control fuel flow rate to have volume little, easy for installation, safeguard advantages such as simple, but material is easy to adhering to foliage and will causes mass flow control inaccurate in actual use, the impeller gap between two ends advances behind the material defectives such as body and impeller are easily stuck, and impeller rotation discharging is non-constant.It is relatively poor to use screw machine to control the fuel flow rate precision, and service life is short, does not fit into continuous operation.Precision is higher theoretically though use rotor to claim to control fuel flow rate, and rotor claims to exist volume big, install inconvenient, cost height, shortcoming such as maintenance is big, and service life is short.
The utility model content
Technical problem to be solved in the utility model provides that a kind of flow-control is accurate, and discharging is even, and is easy for installation, long service life, the powder flow controller that is used for Industrial Stoves pulverized fuel induction system that maintenance is few.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of powder flow controller that is used for Industrial Stoves pulverized fuel induction system, be provided with the impeller that axial level is installed in the body, described impeller is connected with drive unit, above described body, be provided with the charging aperture corresponding with the axial surface of described impeller, below described body, be provided with the discharging opening corresponding, on the axial surface of described impeller, evenly be provided with the hopper that volume equates with the axial surface of described impeller.
Between the side of the end cap of described body and described impeller, be provided with the anti-sticking ash unloading hole that is communicated with described discharging opening, on the end cap of described body, be provided with side with described impeller corresponding prevent the impeller anti-sticking purge hole that described impeller two ends are stuck.
The charging area of described charging aperture is greater than the discharging area of described discharging opening.
Described hopper is for being the lattice that axial trapezoidal rising distributes on the axial surface of described impeller.
Described hopper is for axially being distributed on the little oblique lattice of the axial surface of described impeller.
Be provided with on the described body and the corresponding antiseized purge hole of impeller of hopper on the described impeller.
Adopt the powder flow controller that is used for Industrial Stoves pulverized fuel induction system of technique scheme, because the top material inlet design of body has the antiseized purge hole of impeller, the low-pressure air of roots blower inserts the antiseized purge hole of impeller, the material that long-time running sticks on the impeller will be purged clean by the low-pressure air that the antiseized purge hole of this impeller imports, both alleviated the load of powder flow controller, making material rotate time control again on impeller makes more accurate, owing on the end cap on the body impeller anti-sticking purge hole that prevents that the impeller two ends are stuck is arranged, the low-pressure air of roots blower inserts impeller anti-sticking purge hole, the material that enters the impeller two side ends will be dispelled by the low-pressure air that this impeller anti-sticking purge hole imports, it is stuck with impeller to prevent that material that the impeller two side ends enters from overstocking the back caking for a long time, the anti-sticking ash unloading hole is arranged on the discharging opening of body, this anti-sticking ash unloading hole is that the material that impeller anti-sticking purge hole dispels is convenient to discharge, prevent that material from being dispelled the back and forcing to discharge and leak from the end cap two ends from impeller surface, reduce the wearing and tearing of impeller and end cap two axial ends, prolong the service life of impeller and end cap seal position greatly, guarantee the normal operation of powder flow controller; The charging area of the charging aperture on the body is greater than the discharging area of discharging opening, because material enters from the top charging aperture, come out from the below discharging opening, both can make the easier top charging aperture that enters of material, can guarantee enough that again material rotates to the filling rate on the impeller blade in the process of below by the top of impeller, makes feed flow more stable; Impeller surface on the body is identical lattice of the numerous big or small volume of forward or the identical little oblique lattice of oblique numerous big or small volume, can make material come out the back from the bulk cargo state from feed opening, can not form the materials flow that bulk materials flow or is pulled out, thereby Air mixing is more even with carrying, and discharge pressure is more stable.
In sum, the utility model is that a kind of flow-control is accurate, and discharging is even, prevents that impeller is stuck, and is easy for installation, long service life, the powder flow controller that is used for Industrial Stoves pulverized fuel induction system that maintenance is few.
Description of drawings
Fig. 1 is that the utility model structure is radially cutd open and shown schematic diagram;
Fig. 2 is that the utility model axis of no-feathering shows schematic diagram to cuing open;
Fig. 3 is a kind of structural representation of impeller of the present utility model;
Fig. 4 is the another kind of structural representation of impeller of the present utility model.
The specific embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Referring to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, be provided with the impeller 3 that axial level is installed in the body 1, impeller 3 is connected with drive unit 6, drive unit 6 is controlled by frequency-changing control system, above body 1, be provided with the charging aperture corresponding 4 with the axial surface of impeller 3, below body 1, be provided with the discharging opening corresponding 5 with the axial surface of impeller 3, the charging area of charging aperture 4 is greater than the discharging area of discharging opening 5, on the axial surface of impeller 3, be evenly equipped with and be the lattice 10 that volume that axial trapezoidal rising distributes equates or axially be evenly equipped with the little oblique lattice 9 that volume equates, between the side of the end cap 11 of body 1 and impeller 3, be provided with the anti-sticking ash unloading hole 8 that is communicated with discharging opening 5, on the end cap 11 of body 1, be provided with side with impeller 3 corresponding prevent the impeller anti-sticking purge hole 7 that impeller 3 two ends are stuck; Be provided with on the body 1 with impeller 3 on little oblique lattice 9 or the corresponding antiseized purge hole 2 of impeller of lattice 10.
Referring to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, because the top material inlet design of body 1 has the antiseized purge hole 2 of impeller, the low-pressure air of roots blower inserts the antiseized purge hole 2 of impeller, long-time running sticks on the impeller 3 material and will be purged clean by the low-pressure air that the antiseized purge hole 2 of this impeller imports, both alleviated the load of powder flow controller, and made material on impeller 3, rotate time control again and make more accurate.Owing on the end cap 11 on the body 1 the impeller anti-sticking purge hole 7 that prevents that impeller 3 two ends are stuck is arranged, the low-pressure air of roots blower inserts impeller anti-sticking purge hole 7, the material that enters impeller 3 two side ends will be dispelled by the low-pressure air that this impeller anti-sticking purge hole 7 imports, it is stuck with impeller 3 to prevent that material that impeller 3 two side ends enter from overstocking the back caking for a long time, guarantee the normal operation of powder flow controller, on the discharging opening 5 of body 1 anti-sticking ash unloading hole 8 is arranged, this anti-sticking ash unloading hole 8 is that the material that impeller anti-sticking purge hole 7 dispels is convenient to discharge, prevent that material from being dispelled the back and forcing to discharge and leak from end cap 11 two ends from impeller 3 surfaces, reduce the wearing and tearing of impeller 3 and end cap 11 two axial ends, prolong the service life of impeller 3 and end cap 11 sealing stations greatly.The charging area of the charging aperture 4 on the body 1 is greater than the discharging area of discharging opening 5, because material enters from top charging aperture 4, come out from below discharging opening 5, both can make the easier top charging aperture 4 that enters of material, can guarantee enough that again material rotates to the filling rate on the impeller 3 in the process of below by the top of impeller 3, makes feed flow more stable.Drive unit 6 drives impeller 3 are rotated in body 1, the rotating speed of frequency-changing control system accessory drive 6, material enters in the lattice 10 or little oblique lattice 9 of impeller 3 tops from charging aperture 4, rotate to discharging opening 5 dischargings with impeller 3 then, impeller 3 surfaces on the body 1 are identical lattice 10 of the numerous big or small volume of forward or the identical little oblique lattice 9 of oblique numerous big or small volume, can make material come out the back from the bulk cargo state from feed opening 5, can not form the materials flow that bulk materials flow or is pulled out, thereby Air mixing is more even with carrying, and discharge pressure is more stable.
Claims (6)
1. powder flow controller that is used for Industrial Stoves pulverized fuel induction system, it is characterized in that: be provided with the impeller (3) that axial level is installed in the body (1), described impeller (3) is connected with drive unit (6), be provided with the charging aperture (4) corresponding in described body (1) top with the axial surface of described impeller (3), be provided with the discharging opening (5) corresponding in described body (1) below, on the axial surface of described impeller (3), evenly be provided with the hopper that volume equates with the axial surface of described impeller (3).
2. the powder flow controller that is used for Industrial Stoves pulverized fuel induction system according to claim 1, it is characterized in that: between the side of the end cap (11) of described body (1) and described impeller (3), be provided with the anti-sticking ash unloading hole (8) that is communicated with described discharging opening (5), on the end cap (11) of described body (1), be provided with side with described impeller (3) corresponding prevent the impeller anti-sticking purge hole (7) that described impeller (3) two ends are stuck.
3. the powder flow controller that is used for Industrial Stoves pulverized fuel induction system according to claim 1 and 2 is characterized in that: the charging area of described charging aperture (4) is greater than the discharging area of described discharging opening (5).
4. the powder flow controller that is used for Industrial Stoves pulverized fuel induction system according to claim 1 and 2 is characterized in that: described hopper is for being the lattice (10) that axial trapezoidal rising distributes on the axial surface of described impeller (3).
5. the powder flow controller that is used for Industrial Stoves pulverized fuel induction system according to claim 1 and 2 is characterized in that: described hopper is for axially being distributed on the little oblique lattice (9) of the axial surface of described impeller (3).
6. the powder flow controller that is used for Industrial Stoves pulverized fuel induction system according to claim 1 is characterized in that: be provided with on the described body (1) and the corresponding antiseized purge hole of impeller (2) of hopper on the described impeller (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203082648U CN201507940U (en) | 2009-08-19 | 2009-08-19 | A powder flow controller for an industrial furnace powder fuel conveying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203082648U CN201507940U (en) | 2009-08-19 | 2009-08-19 | A powder flow controller for an industrial furnace powder fuel conveying system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201507940U true CN201507940U (en) | 2010-06-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203082648U Expired - Fee Related CN201507940U (en) | 2009-08-19 | 2009-08-19 | A powder flow controller for an industrial furnace powder fuel conveying system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201507940U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102865589A (en) * | 2012-08-30 | 2013-01-09 | 华北电力大学 | Automatic coal feeding device for boiler |
| CN104791830A (en) * | 2015-04-28 | 2015-07-22 | 武安市嘉恒节能科技有限公司 | Automatic dual-purpose feed device of biomass fuel furnace |
-
2009
- 2009-08-19 CN CN2009203082648U patent/CN201507940U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102865589A (en) * | 2012-08-30 | 2013-01-09 | 华北电力大学 | Automatic coal feeding device for boiler |
| CN104791830A (en) * | 2015-04-28 | 2015-07-22 | 武安市嘉恒节能科技有限公司 | Automatic dual-purpose feed device of biomass fuel furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Changsha Shunte powder conveying equipment Co. Ltd. Assignor: Tang Xiong Contract record no.: 2010430000157 Denomination of utility model: A powder flow controller for an industrial furnace powder fuel conveying system Granted publication date: 20100616 License type: Exclusive License Record date: 20101122 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100616 Termination date: 20170819 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |