CN203095186U - Linear curve casting spiral coal feeder device - Google Patents
Linear curve casting spiral coal feeder device Download PDFInfo
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- CN203095186U CN203095186U CN 201320113620 CN201320113620U CN203095186U CN 203095186 U CN203095186 U CN 203095186U CN 201320113620 CN201320113620 CN 201320113620 CN 201320113620 U CN201320113620 U CN 201320113620U CN 203095186 U CN203095186 U CN 203095186U
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- screw
- conveyor screw
- type coal
- linearity curve
- coal distributor
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Abstract
The utility model discloses a linear curve casting spiral coal feeder device which solves the problem that in the prior art, a coal feeder is high in energy consumption, large in noise, poor in adaptability of different types of coal and the like. The linear curve casting spiral coal feeder device comprises a bottom support (1), a driving device (2) and a spiral body (3), wherein the driving device (2) and the spiral body (3) are both installed on the bottom support (1). The linear curve casting spiral coal feeder device is characterized in that the driving device (2) is connected to one end of the spiral body (3) through a shaft, a sealing shell body (4) is arranged outside the spiral body (3), the sealing shell body (4) seals the spiral body (3) and is provided with a feeding opening (5) and a discharging opening (6), and an alloy tool bit which is used for breaking large materials in a pulling mode is arranged in the sealing shell body (4) and arranged at the position of the feeding opening (5). The linear curve casting spiral coal feeder device is compact in structure and reasonable in design, effectively overcomes the defect of an existing coal feeder, and lays a solid foundation for wide popularization and application.
Description
Technical field
The utility model belongs to thermal powerplant coal bunker understoke system field, specifically, relates to a kind of linearity curve casting screw-type coal distributor device.
Background technology
At present, thermal powerplant both domestic and external, the feeder that coal supply mainly adopts oscillatory type feeder, vane type feeder, activation formula feeder and generally welds multiple pattern such as screw-type coal distributor under the coal bunker.Above-mentioned feeder is relatively poor to the comformability of coal, or because of coming coal aqueous ingredients limited size or more limited because of coming the coal particle limited size or coming coal to contain foreign material, in addition, also mainly has following defective:
One, under the operating mode of dump compacting, coal supply is smooth or can't coal supply;
Two, under the situation that the coal aqueous ingredients is bigger, sticking easily coal also hardens to the coal channel place, influences the normal operation of feeder;
Three, the oscillating mode feeder is because it adopts the vibration principle coal supply, and its machine life is less, and maintenance workload is bigger;
Four, existing screw type feeder adopts the welding spiral, and its traffic capacity is less, the life-span short, and fault rate is higher, is not suitable for a large amount of coal supplies;
Five, vane type feeder energy consumption is bigger, and because it is applied to the clearance type coal supply, is easier to overload or stuck during operation;
Six, multiple feeder noise such as oscillatory type, vane type is big, dust is big, needs extra investment to administer.
How to research and develop and a kind ofly can overcome above-mentioned defective, the feeder long-time, that multi-state stablize coal supply, the emphasis that just becomes those skilled in the art is researched and developed content.
The utility model content
The purpose of this utility model is to overcome above-mentioned defective, a kind of compact conformation is provided, realizes the linearity curve casting screw-type coal distributor device convenient, that power consumption is low.
To achieve these goals, the technical solution adopted in the utility model is as follows:
Linearity curve casting screw-type coal distributor device, comprise bottom bracket, be installed in actuating device and conveyor screw on the bottom bracket, described actuating device is connected in a spirochetal end by axle, described conveyor screw is provided with its sealing outward and has inlet point and the seal casinghousing of discharging opening, and in the sealing housing, be positioned at the inlet point place and be provided with the alloy cutter head that is used to pull open bulk materials.
Further, described spirochetal spiral is simple curve structure or hyperbolic configuration.
In order to reduce the resistance of material in course of conveying, cut down the consumption of energy, conveyor screw is many curvilinear structures.
Harden in spiral bottom and cause flow area to reduce for fear of coal, described conveyor screw section is a trapezium structure.
Described conveyor screw is equidistant helical structure or unequal distant screw structure, further, for fear of coal in conveyor screw is fed forward, thereby the crowded more tight more phenomenon that blocks, described conveyor screw adopts pre-small post-large unequal distant screw structure.
Further again, described conveyor screw is by being cast into integrative-structure.
In order to improve the service life of seal casinghousing, described seal casinghousing is lined with abrasion-proof backing block near in the end inside of bottom bracket.
Simultaneously, the top of described seal casinghousing is provided with access opening or access door.
In order to realize constant speed or speed governing feed, also comprise the frequency converter that is connected and is used for adjustable screw body rotating speed with actuating device.
Further, described actuating device and conveyor screw level are installed on the bottom bracket; Perhaps, described actuating device and conveyor screw tilt to be installed on the bottom bracket.
The utility model compared with prior art has the following advantages and beneficial effect:
(1) the utility model compact conformation, reasonable in design, realization convenience.
(2) conveyor screw is the cast-in-block linear structure in the utility model, has reduced failure rate of machinery, has improved equipment intensity, thereby has prolonged the service life of equipment integral.
(3) as a kind of optimal way, conveyor screw adopts many curve linears helical structure in the utility model, has improved the comformability to convey materials aqueous ingredients, granularity, has guaranteed that effectively feeder is not sticking, not stifled, feed is stable.
(4) the utility model installs alloy cutter head additional at the inlet point place, by alloy cutter head bulk materials is played the effect of pulling open, thereby has solved inlet point by the stuck problem of bulk materials.
(5) the utility model adopts seal casinghousing and linear conveyor screw to carry out totally-enclosed rotation feed, compared to prior art, it not only possesses novelty and creativeness, and, have advantages such as energy consumption is little, noise is little, vibration is little, dust is few, apply on a large scale for it, established solid foundation.
Description of drawings
Fig. 1 is a kind of structural representation of the present utility model.
Fig. 2 is an another kind of structural representation of the present utility model.
Fig. 3 be among Fig. 1 A to a kind of scheme drawing.
Fig. 4 be among Fig. 1 A to another kind of structural representation.
Wherein, the cooresponding parts name of mark is called in the accompanying drawing:
The 1-bottom bracket, 2-actuating device, 3-conveyor screw, 4-seal casinghousing, 5-inlet point, 6-discharging opening, 7-adapter shaft.
The specific embodiment
The utility model is described in further detail below in conjunction with drawings and Examples, and embodiment of the present utility model includes but not limited to the following example.
Embodiment
Shown in Fig. 1 to 4, present embodiment provides a kind of linearity curve casting screw-type coal distributor device, it mainly comprises base support 1, conveyor screw 3 and actuating device 2 three parts, wherein, conveyor screw 3 is core parts, causes defectives such as flow area is little in order to overcome existing feeder to different coal bad adaptability, energy consumption height, because of solid accumulation.Conveyor screw 3 two ends adopt bearing fixing on bottom bracket 1 with the conveyor screw bearing at two ends respectively by adapter shaft 7; In the present embodiment, conveyor screw 3 is simple curve, hyperbola or many curvilinear structures, further, as a kind of preferred, for improving the comformability to material, reduces the resistance of material in course of conveying, cuts down the consumption of energy, and conveyor screw is many curvilinear structures; Meanwhile, harden in spiral bottom and cause flow area to reduce for fear of coal, conveyor screw adopts trapezium structure.On the basis of said structure, conveyor screw has reduced failure rate of machinery by being cast into integrative-structure, has improved equipment intensity, thereby has prolonged the service life of equipment integral.Conveyor screw can singlely arrange, also can two be arranged in juxtaposition, and perhaps a plurality of being arranged in juxtaposition shown in Fig. 3,4, arranged by a plurality of conveyor screws, can realize the function of high capacity feed.Need to prove that conveyor screw length, diameter, quantity can adjust accordingly according to different operating modes.
Actuating device, actuating device is connected in a spirochetal end by axle, is the propulsion source of whole equipment, and in the present embodiment, actuating device is made up of corollary apparatus such as motor, retarders, in order to the constant speed drive of control conveyor screw; On the basis of said structure, install frequency converter additional and make conveyor screw speed governing running, finally realize the function of the utility model constant speed or speed governing feed.
In order better to realize present embodiment, present embodiment is provided with in the conveyor screw outside its leak free seal casinghousing 4, specifically, seal casinghousing 4 comprises upper shell and lower house two parts, lower house is positioned at the conveyor screw bottom and is fixed on the bottom bracket 1, upper shell is positioned at conveyor screw top and adopts bolted connection with lower house, is provided with the discharging opening 6 that is positioned at the conveyor screw rear end on lower house, and discharging opening 6 discharge flanges are connected with supporting load transfer device; Be lined with abrasion-proof backing block at seal casinghousing near in an end (lower house) inside of bottom bracket, to improve service life of equipment.Accordingly, then be provided with the inlet point 5 that is positioned at the conveyor screw front end on the upper shell, simultaneously, the place is provided with alloy cutter head at inlet point, its role is to, and bulk materials is played the effect of pulling open, and has solved the difficult problem of the stuck inlet point of feeding mouth bulk materials; On upper shell, also be provided with access opening or access door, make things convenient for the quick eliminating of equipment glitch.
According to the physical property of material, but conveyor screw horizontal arrangement in the present embodiment, also tiltable is arranged, as shown in Figure 1, 2, when being in tilted layout, to pile up angle naturally linear with being transferred material for the inclination maximum between conveyor screw and the base support.The utility model is applicable to the various occasions that need the control feed of power plant, also can be widely used in industry material-transporting systems such as electric power, coal, cement, iron and steel, grain.
Working process of the present utility model is as follows: accessory drive 2 starts, driving conveyor screw 3 by coupler rotates, meanwhile, material enters in the conveyor screw from inlet point, material in the conveyor screw 3 travels forward with the rotation of conveyor screw 3, until discharging, finally realize the purpose of mass transport from discharging opening.
According to the foregoing description, just can realize the utility model well.What deserves to be explained is; under said structure design-calculated prerequisite; for solving same technical matters; even some that make on the utility model do not have substantial change or polishing; the essence of the technical scheme that is adopted is still the same with the utility model, so it also should be in protection domain of the present utility model.
Claims (10)
1. linearity curve is cast the screw-type coal distributor device, comprise bottom bracket (1), be installed in actuating device (2) and conveyor screw (3) on the bottom bracket (1), it is characterized in that, described actuating device (2) is connected in an end of conveyor screw (3) by axle, described conveyor screw (3) is outer to be provided with its sealing and to have inlet point (5) and the seal casinghousing (4) of discharging opening (6), and in sealing housing (4), be positioned at inlet point (5) and locate to be provided with the alloy cutter head that is used to pull open bulk materials.
2. linearity curve casting screw-type coal distributor device according to claim 1 is characterized in that the spiral of described conveyor screw (3) is simple curve structure or hyperbolic configuration.
3. linearity curve casting screw-type coal distributor device according to claim 1 is characterized in that the spiral of described conveyor screw (3) is many curvilinear structures.
4. linearity curve casting screw-type coal distributor device according to claim 1 is characterized in that described conveyor screw (3) is equidistant spiral or structure unequal distant screw structure.
5. linearity curve casting screw-type coal distributor device according to claim 1 is characterized in that described conveyor screw (3) section is a trapezium structure.
6. according to each described linearity curve casting screw-type coal distributor device of claim 1 to 5, it is characterized in that described conveyor screw (3) is by being cast into integrative-structure.
7. linearity curve casting screw-type coal distributor device according to claim 6 is characterized in that described seal casinghousing (4) is lined with abrasion-proof backing block near in the end inside of bottom bracket (1).
8. linearity curve casting screw-type coal distributor device according to claim 7 is characterized in that the top of described seal casinghousing (4) is provided with access opening or access door.
9. according to claim 7 or 8 described linearity curve casting screw-type coal distributor devices, it is characterized in that, also comprise the frequency converter that is connected and is used for adjustable screw body (3) rotating speed with actuating device (2).
10. linearity curve casting screw-type coal distributor device according to claim 9 is characterized in that described actuating device (2) and conveyor screw (3) level are installed on the bottom bracket (1); Perhaps, described actuating device (2) and conveyor screw (3) tilt to be installed on the bottom bracket (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320113620 CN203095186U (en) | 2013-03-13 | 2013-03-13 | Linear curve casting spiral coal feeder device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320113620 CN203095186U (en) | 2013-03-13 | 2013-03-13 | Linear curve casting spiral coal feeder device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203095186U true CN203095186U (en) | 2013-07-31 |
Family
ID=48846608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320113620 Expired - Fee Related CN203095186U (en) | 2013-03-13 | 2013-03-13 | Linear curve casting spiral coal feeder device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203095186U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105692244A (en) * | 2016-04-08 | 2016-06-22 | 贵州大学 | Fuzzy control speed governing ore feeding device and method |
-
2013
- 2013-03-13 CN CN 201320113620 patent/CN203095186U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105692244A (en) * | 2016-04-08 | 2016-06-22 | 贵州大学 | Fuzzy control speed governing ore feeding device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130731 Termination date: 20170313 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |