CN203079055U - Rotation type storage bin block clearing machine - Google Patents
Rotation type storage bin block clearing machine Download PDFInfo
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- CN203079055U CN203079055U CN 201320013012 CN201320013012U CN203079055U CN 203079055 U CN203079055 U CN 203079055U CN 201320013012 CN201320013012 CN 201320013012 CN 201320013012 U CN201320013012 U CN 201320013012U CN 203079055 U CN203079055 U CN 203079055U
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- fixed bin
- bin
- heat
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- rotation
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Abstract
The utility model discloses a rotation type storage bin block clearing machine which comprises an upper fixed bin, a lower fixed bin, a rotation bin, a slewing bearing and a driving mechanism. An upper supporting frame and a lower supporting frame are arranged on the outer wall of the upper fixed bin and the outer wall of the lower fixed bin respectively, the upper fixed bin and the lower fixed bin are fixedly connected together through the upper supporting frame and the lower supporting frame, teeth are arranged on an outer ring of the slewing bearing, an inner ring of the slewing bearing is fixedly connected with the upper end face of the lower fixed bin, and the upper end face of the outer ring of the slewing bearing is fixedly connected with the rotation bin. The upper end and the lower end of the rotation bin are connected with the upper fixed bin and the lower fixed bin in a sealing mode correspondingly and respectively. A plurality of scraper blades are arranged on the inner wall of the rotation bin, and the driving mechanism is connected with the outer ring of the slewing bearing in a transmission mode through gear engagement. According to the rotation type storage bin block clearing machine, a storage bin can be kept unblocked, meanwhile the heat contained in exhaust steam or hot gas of a factory can be used for drying and unfreezing material, and continuous, stable and even material discharging of the storage bin is ensured.
Description
Technical field
The utility model belongs to feed bin block clearing anti-blocking technology field, relates in particular to a kind of rotary feed bin cleaner.
Background technology
At present, the run coal bin that Coal-fired power plant uses generally adopts back taper or falls hyperbolic configuration, back taper or the storehouse of falling hyperbola end opening outfit control cock and feeder; Be temporary in run coal bin through the raw coal after the fragmentation, because the self gravitation effect of raw coal, the suffered upper pressure in back taper storehouse or the bottom of falling the hyperbola hardens than the Da Yi compacting, moreover the feed bin actual internal area sharply reduces, and causes cutout thereby fluffy coal, adhesion, latch up phenomenon very easily take place.Cause humidity to increase because rainwater is sneaked into China's south rainy season, and north of china in winter easily freezes owing to temperature reduces.Because the power supply relative shortage, add the negative effect of market economy, the quality that makes coal worse and worse, foreign material are sneaked into and are caused quality to descend, the granularity inequality has been aggravated the obstruction probability.
Existing all kinds of block clearing dredging methods comprise following several, as: 1, adopt and on the feed bin bulkhead, arrange vibrating motor, air bubble,, act on very limitedly,, then can play the adverse effect of ram-jolt if the generation block part is thereunder because its point-like fixes; 2, loose machine is installed on feed bin in-to-in bulkhead, loose machine is provided with some rake type page or leaf sheets, it pumps by Driven by Hydraulic Cylinder, and then realization block clearing, but this block clearing dead angle that mode is stayed is big, and rake type page or leaf sheet is easy to wear, in addition, when it is not worked, become the maximum resistance source of Flow of Goods and Materials on the contrary.
Summary of the invention
In order to address the above problem, the utility model provides a kind of rotary feed bin cleaner, the block clearing of the feed bin of the material that is particularly useful for carrying raw coal, fine coal, mineral powder, cement, grain etc. that certain viscosity is arranged or easily freezes, can make feed bin keep unimpeded, simultaneously, can also utilize factory's exhaust steam or hot gas institute heat content to come dry, the material that thaws, guarantee the uniform blanking of feed bin continous-stable.
For achieving the above object, the utility model adopts technical scheme as described below:
A kind of rotary feed bin cleaner, comprise fixed bin, following fixed bin, the rotation storehouse, pivoting support and driver train, on described, be respectively arranged with upper support frame and lower support frame on the outer wall of following fixed bin, on, following fixed bin is by last, the lower support frame is fixed together, there is tooth the outer ring of described pivoting support, the inner ring of pivoting support is captiveed joint with the upper surface of following fixed bin, the captive joint rotation storehouse, upper surface of pivoting support outer ring, on the rotation storehouse, the lower end is corresponding respectively and last, be tightly connected between the following fixed bin, the inwall in described rotation storehouse is provided with several scraper plates, and described driver train is connected by meshed transmission gear with the outer ring of pivoting support.
Further, described scraper plate comprises upper scraping plate and lower scraping plate, upper and lower scraper plate is the L template, and the inwall of the horizontal segment fixed bin cooresponding with it of L template is 5～20mm at interval, vertical section one end of L template is captiveed joint with the inwall in rotation storehouse, the other end is a free end, and the gradually increase of the width of vertical section from its other end to an end.
Further, described be tightly connected by labyrinth packing and be wrapped in the exterior packing seal of labyrinth packing constitute, packing seal is made up of several wedge shape pressure rings, the wedge shape pressure ring is provided with circular groove, be provided with filler in the circular groove, corresponding junction between the upper and lower end that several wedge shape pressure rings are uniform to be arranged on the rotation storehouse and the upper and lower fixed bin, be connected with the axial adjustment bolt and the radiai adjustment bolt that are fixedly connected on the upper and lower fixed bin outer wall on the described wedge shape pressure ring, and all be arranged with spring on axial adjustment bolt and the radiai adjustment bolt.
Further, be provided with heat-exchange system on the outer wall of described upward fixed bin and following fixed bin, heat-exchange system comprises heat-exchange tube and heat-insulation layer, and described heat-exchange tube is provided with along the outer wall spiral of upper and lower fixed bin respectively, and described heat-insulation layer covers on the heat-exchange tube.
Further, be provided with regulating plate between described upper support frame and the lower support frame.
Further, described driver train is arranged on the outer wall of fixed bin or is arranged on down on the outer wall of fixed bin.
Further, described driver train is made of adaptive bonded assembly motor and speed reducer, is connected with driven wheel on the output shaft of reductor, and the outer ring of driven wheel and described pivoting support is connected by meshing transmission by tooth.
Owing to adopt aforesaid technical scheme, the utlity model has following preceence:
1, this rotary feed bin cleaner is by being provided with heat-exchange system, utilize factory's exhaust steam or hot gas institute heat content to come dry, the material that thaws after, deliver in the condenser and go, steam is condensed into water and sends back to and go heating in the boiler, constitutes closed cycle; Heat is by heat-exchange tube, the sidewall of fixed bin passes to material up and down, be dried or thaw after material, and the adhesive force between bulkhead reduces, the by gravity flowing power significantly strengthens, utilize exhaust steam institute of factory heat content come dry, material thaws, efficiently solve wet feed easily bonding, freeze material adhesive ability big problem, have characteristics applied widely, weather-proof;
That 2, utilizes pivoting support can bear larger axis to power, diametral load and capsizing moment, rotate the special scraper plate useful effect in the storehouse, so propulsive effort is little, energy-efficient in addition; Under driver train drove, the unique texture of scraper plate self impelled it to have the effect that has gradual cutting, activation and stirring, directing material to fall twist; Exhaust steam or hot gas flow through the helical pipe of heat-exchange system from bottom to top, and the exhaust steam flow direction is opposite with the Flow of Goods and Materials direction, has improved effectiveness of regenerator;
3, be fixedly connected on the upper and lower fixed bin outer wall have spring axially, the radiai adjustment bolt, under the spring force effect, make the wedge shape pressure ring respectively to radially and move axially, but transient behavior is regulated leak free gap and tightness, but the dual packing seal of labyrinth packing and dynamic adjustments, under any dynamic condition, seal reliable and stable, do not leak powder, pollution-free, have the advantage of reliable and stable environmental protection;
4, the rotary feed bin cleaner that provides of the utility model, really accomplish: under any bad working environments condition, block clearing is efficiently quick, and working stability is reliable, the operation environmental protection and energy saving.
Description of drawings
Fig. 1 is a cutaway view of the present utility model;
Fig. 2 removes the perspective view of heat-exchange system for the utility model;
Among the figure: 1, go up fixed bin; 2, heat-exchange tube; 3, heat-insulation layer; 4, upper scraping plate; 5, rotation storehouse; 6, driven wheel; 7, reductor; 8, following fixed bin; 9, lower scraping plate; 10, pivoting support; 11, radiai adjustment bolt; 12, wedge shape pressure ring; 13, axial adjustment bolt; 14, upper support frame; 15, regulating plate; 16, lower support frame.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is described in further detail.
As shown in Figure 1, 2, described rotary feed bin cleaner comprises fixed bin 1, following fixed bin 8, rotation storehouse 5, pivoting support 10 and driver train.On described, be respectively arranged with upper support frame 14 and lower support frame 16 on the outer wall of following fixed bin, on, following fixed bin is by last, the lower support frame is fixed together, there is tooth the outer ring of described pivoting support 10, the inner ring of pivoting support is captiveed joint with the upper surface of following fixed bin 8, the captive joint rotation storehouse 5, upper surface of pivoting support outer ring, on the rotation storehouse 5, the lower end is corresponding respectively and last, be tightly connected between the following fixed bin, the inwall in described rotation storehouse 5 is provided with several scraper plates, the outer ring of described driver train and pivoting support 10 is connected by meshing transmission by tooth, pivoting support 10 can bear bigger axial force simultaneously, diametral load and capsizing moment, and guidance quality is good.
Described scraper plate comprises upper scraping plate 4 and lower scraping plate 9, upper and lower scraper plate is the L template, and the inwall of the horizontal segment fixed bin cooresponding with it of L template is 5～20mm at interval, vertical section one end of L template is captiveed joint with the inwall in rotation storehouse, the other end is a free end, and the gradually increase of the width of vertical section from its other end to an end; When the rotation of driver train driven rotary storehouse 5, the structure of upper and lower scraper plate makes it have the effect that gradual cutting, activation and stirring, directing material fall twist.
Described scraper plate is an integral structure, the middle part of scraper plate is fixedly connected on the inwall in rotation storehouse, the upper and lower end of scraper plate lays respectively in the upper and lower fixed bin, the upper and lower end of scraper plate is L template structure, and the inwall of the horizontal segment fixed bin cooresponding with it of L template is 5～20mm at interval, and the width of L template vertical section is increased to the junction of scraper plate with the rotation storehouse gradually by the end of scraper plate upper and lower end respectively.
Be provided with heat-exchange system on the outer wall of described upper and lower fixed bin, heat-exchange system comprises heat-exchange tube 2 and heat-insulation layer 3, and described heat-exchange tube 2 is provided with along the outer wall spiral of upper and lower fixed bin respectively, and described heat-insulation layer 3 covers on the heat-exchange tube.Exhaust steam or hot gas flow through the heat-exchange tube that spiral is provided with from bottom to top, material under the scraper plate guiding from top to bottom spiral fall, the exhaust steam flow direction is opposite with the Flow of Goods and Materials direction, has improved effectiveness of regenerator.
Be provided with regulating plate 15 between the described upper and lower bracing frame, offer on the regulating plate 15 and circumferentially reach radially slotted hole, the hand adjustment of can satisfy radially, the circumferencial direction certain limit is interior; The thickness or the quantity of change regulating plate can satisfy the adjustment of short transverse, are convenient to install butt joint, maintenance and repair.
Described driver train is arranged on the outer wall of fixed bin 1 or is arranged on down on the outer wall of fixed bin 8, and driver train also can be arranged on upper support frame 14 or the lower support frame 16, is convenient to be suitable for the operation under the various working environments.
Described driver train is made of adaptive bonded assembly motor and speed reducer 7, is connected with driven wheel 6 on the output shaft of reductor 7, and driven wheel 6 is connected by meshing transmission by tooth with the outer ring of described pivoting support 10.
Described be tightly connected by labyrinth packing and be wrapped in the exterior packing seal of labyrinth packing constitute, packing seal is made up of several wedge shape pressure rings 12, the wedge shape pressure ring is provided with circular groove, be provided with filler in the circular groove, corresponding junction between the upper and lower end that several wedge shape pressure rings 12 are uniform to be arranged on rotation storehouse 5 and the upper and lower fixed bin, be connected with the axial adjustment bolt 13 and the radiai adjustment bolt 11 that are fixedly connected on the upper and lower fixed bin outer wall on the described wedge shape pressure ring 12, all be arranged with spring on axial adjustment bolt 13 and the radiai adjustment bolt 11; Rotation storehouse 5 when rotated, driving wedge shape pressure ring 12 under the effect of spring moves to the radial and axial of rotation storehouse 5 respectively, but transient behavior is regulated seal clearance and tightness, but the packing seal of machinery labyrinth packing and dynamic adjustments, under any dynamic condition, seal reliable and stablely, do not leak powder, pollution-free.
The utility model is when concrete the application, and described scraper plate is selected the split-type structural of being made up of upper scraping plate 4 and lower scraping plate 9 for use; The bottom of last fixed bin 1 by flange and back taper feed bin is connected, and following fixed bin 8 links to each other with feeder by flange; Feeder inside is provided with the materials flow detecting device, the materials flow detecting device can detect the mass flow size, and feed back to PLC control box and far-end DCS by control path, its concrete course of action is: it is normal that the materials flow detecting device detects mass flow, and then the motor of driver train is in instantaneous readiness for action; Detecting mass flow as the materials flow detecting device obviously reduces, the electric motor starting of far-end DCS and PLC control box notice driver train, reductor 7 drives driven wheel 6 rotations, by gear pair the outer ring of pivoting support and the rotation storehouse that is connected with it 5 are rotated, upper scraping plate 4 and lower scraping plate 9 all rotate synchronously with rotation storehouse 5, material under upper and lower scraper plate effect, break static balance, with the material that stops up from the inwall of upper and lower fixed bin scrape from, it is lost and the strong point that adheres to wall, upper and lower scraper plate directing material spiral falls, and the very fast recovery of feed is normal; When the materials flow detecting device detects mass flow just often, the motor of far-end DCS and PLC control box notice driver train is shut down and is in instantaneous readiness for action once more, and this moment, material linearly fell along bulkhead.
In or the environment that humidity is bigger lower at some temperature, can on upper and lower fixed bin outer wall, heat-exchange system be installed, heat-exchange system links to each other with the PLC control box, described heat-exchange system comprises that spiral is arranged on the heat-exchange tube 2 on the fixed bin outer wall up and down, covering and heat insulating layer 3 on heat-exchange tube prevents scattering and disappearing of heat; Simultaneously, on the sidewall of upper and lower fixed bin, thermocouple is installed, thermoelectricity is on a rare occasion held and is put in fixed bin inside up and down, the other end links to each other with the PLC control box in the external world, thermocouple is used to monitor the real time temperature in the upper and lower fixed bin, and probe temperature reached control box PLC, temperature signal is uploaded to far-end DCS after handling through equalization again; When the mean temperature of thermocouple assay is lower than setting value, humidity of materials is crossed bonding obstruction may just have been taken place, perhaps material has taken place to freeze owing to temperature is low, far-end DCS and PLC control box notice heat-exchange system start, exhaust steam or thermal current are crossed heat-exchange tube and are given material, the effect of playing dried material or thawing by fixed bin up and down with thermal energy transfer; Simultaneously, the electric motor starting of far-end DCS and PLC control box notice driver train, reductor 7 drives driven wheel 6 rotations, by gear pair worked in the outer ring of pivoting support and the rotation storehouse that is connected with it 5, upper scraping plate 4 and lower scraping plate 9 all rotate synchronously with rotation storehouse 5, material directing material spiral under the scraper plate effect falls, and strengthens the heat convection current; Exhaust steam or hot gas flow through the helical pipe of heat-exchange system from bottom to top, the exhaust steam flow direction is opposite with the Flow of Goods and Materials direction, improved effectiveness of regenerator, when the mean temperature of thermocouple assay is higher than setting value, far-end DCS and control box PLC notice heat-exchange system are closed, work as the materials flow detecting device this moment and detect mass flow just often, the motor of driver train is shut down and is in instantaneous readiness for action once more; Driver train and heat-exchange system are independently to be subjected to PLC control box and far-end DCS control separately, driver train start and stop separately, and when material was done or do not freezed, heat-exchange system needn't start; But when heat-exchange system starts, for strengthening heat convection current and heat exchange effect, need driver train startup, 5 work of driven rotary storehouse, material directing material spiral under the scraper plate effect falls.
Claims (7)
1. rotary feed bin cleaner, comprise fixed bin (1), following fixed bin (8), rotation storehouse (5), pivoting support (10) and driver train, it is characterized in that: on described, be respectively arranged with upper support frame (14) and lower support frame (16) on the outer wall of following fixed bin, on, following fixed bin is by last, the lower support frame is fixed together, there is tooth the outer ring of described pivoting support (10), the inner ring of pivoting support is captiveed joint with the upper surface of following fixed bin (8), the captive joint rotation storehouse (5), upper surface of pivoting support (10) outer ring, on the rotation storehouse, the lower end is corresponding respectively and last, be tightly connected between the following fixed bin, the inwall in described rotation storehouse (5) is provided with several scraper plates, and described driver train is connected by meshed transmission gear with the outer ring of pivoting support (10).
2. rotary feed bin cleaner according to claim 1, it is characterized in that: described scraper plate comprises upper scraping plate (4) and lower scraping plate (9), upper and lower scraper plate is the L template, and the inwall of the horizontal segment fixed bin cooresponding with it of L template is 5～20mm at interval, vertical section one end of L template is captiveed joint with the inwall in rotation storehouse (5), the other end is a free end, and the gradually increase of the width of vertical section from its other end to an end.
3. rotary feed bin cleaner according to claim 1, it is characterized in that: described be tightly connected by labyrinth packing and be wrapped in the exterior packing seal of labyrinth packing constitute, packing seal is made up of several wedge shape pressure rings (12), the wedge shape pressure ring is provided with circular groove, be provided with filler in the circular groove, described several wedge shape pressure rings are uniform be arranged on rotation storehouse (5) on, lower end and last, corresponding junction between the following fixed bin, be connected with on the described wedge shape pressure ring and be fixedly connected on, axial adjustment bolt (13) on the following fixed bin outer wall and radiai adjustment bolt (11), and all be arranged with spring on axial adjustment bolt and the radiai adjustment bolt.
4. rotary feed bin cleaner according to claim 1, it is characterized in that: be provided with heat-exchange system on the outer wall of described upward fixed bin (1) and following fixed bin (8), heat-exchange system comprises heat-exchange tube (2) and heat-insulation layer (3), described heat-exchange tube is provided with along the outer wall spiral of upper and lower fixed bin respectively, and described heat-insulation layer (3) covers on the heat-exchange tube (2).
5. rotary feed bin cleaner according to claim 1 is characterized in that: be provided with regulating plate (15) between described upper support frame (14) and the lower support frame (16).
6. rotary feed bin cleaner according to claim 1 is characterized in that: described driver train is arranged on the outer wall of fixed bin (1) or is arranged on down on the outer wall of fixed bin (8).
7. according to claim 1 or 6 described rotary feed bin cleaners, it is characterized in that: described driver train is made of adaptive bonded assembly motor and speed reducer (7), be connected with driven wheel (6) on the output shaft of reductor, driven wheel (6) is connected by meshing transmission by tooth with the outer ring of described pivoting support (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320013012 CN203079055U (en) | 2013-01-11 | 2013-01-11 | Rotation type storage bin block clearing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320013012 CN203079055U (en) | 2013-01-11 | 2013-01-11 | Rotation type storage bin block clearing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203079055U true CN203079055U (en) | 2013-07-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320013012 Expired - Fee Related CN203079055U (en) | 2013-01-11 | 2013-01-11 | Rotation type storage bin block clearing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203079055U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106467350A (en) * | 2015-08-15 | 2017-03-01 | 北京科林思源能源环境科技发展有限责任公司 | A kind of jelly excrement disintegrating machine |
| CN108298213A (en) * | 2018-02-08 | 2018-07-20 | 北京昊蓬机电设备有限公司 | A kind of coal bunker |
-
2013
- 2013-01-11 CN CN 201320013012 patent/CN203079055U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106467350A (en) * | 2015-08-15 | 2017-03-01 | 北京科林思源能源环境科技发展有限责任公司 | A kind of jelly excrement disintegrating machine |
| CN108298213A (en) * | 2018-02-08 | 2018-07-20 | 北京昊蓬机电设备有限公司 | A kind of coal bunker |
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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: 20130724 Termination date: 20210111 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |