CN108706237A - Low energy consumption large-sized fluidisation powder storing bin and its discharging method - Google Patents
Low energy consumption large-sized fluidisation powder storing bin and its discharging method Download PDFInfo
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- CN108706237A CN108706237A CN201810775543.9A CN201810775543A CN108706237A CN 108706237 A CN108706237 A CN 108706237A CN 201810775543 A CN201810775543 A CN 201810775543A CN 108706237 A CN108706237 A CN 108706237A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D88/00—Large containers
- B65D88/54—Large containers characterised by means facilitating filling or emptying
- B65D88/72—Fluidising devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G65/00—Loading or unloading
- B65G65/30—Methods or devices for filling or emptying bunkers, hoppers, tanks, or like containers, of interest apart from their use in particular chemical or physical processes or their application in particular machines, e.g. not covered by a single other subclass
- B65G65/34—Emptying devices
- B65G65/40—Devices for emptying otherwise than from the top
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G69/00—Auxiliary measures taken, or devices used, in connection with loading or unloading
- B65G69/06—Fluidising
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
Abstract
Low energy consumption large-sized fluidisation powder storing bin, including the library and bottom storehouse, multiple V-shaped grooves are set in bottom storehouse, material delivery pipe is arranged in the bottom of V-shaped groove, material flow-aiding device is arranged in the ramped surfaces of V-shaped groove both sides, the material flow-aiding device is specially Pneumatic fluidized stick, and material delivery pipe and material flow-aiding device are connected with supply air line respectively.It is related to storage facilities field more particularly to a kind of large floor formula fluidization storehouse for storing granular material.Low energy consumption large-sized fluidisation powder storing bin overcomes deficiency existing for existing large floor formula fluidization storehouse, has the series of advantages such as simple in structure, discharging flow is stable, material extracting operation is simple and practicable and materiel warehouse-out is efficient.The discharging method of low energy consumption large-sized fluidisation powder storing bin, easy to operate, discharging flow is stablized, and feeding is efficient, and economy is splendid, securely and reliably, has a vast market application prospect.
Description
Technical field
The present invention relates to storage facilities fields more particularly to a kind of large floor formula for storing granular material to fluidize storage
Library.
Background technology
Currently, the large-scale fluidization storehouse of console mode is broadly divided into two kinds of concrete library and steel plate library, the library is cylinder,
Have the characteristics that amount of storage is big, stability is good, is widely used in the storage of the granular materials such as cement, flyash.Existing large size
Fluidization storehouse relies primarily on the discharge port discharging being arranged in bottom storehouse, and corresponding bottom storehouse setting discharging gallery leads to outside library, to accommodate
Material transfer equipment simultaneously provides repair and maintenance space.In order to ensure the outbound rate of material, multiple discharge ports, bottom storehouse are usually set
Complicated, fill slope amount is big, and multiple discharge ports are distributed across the different location of bottom storehouse, and each discharge port is correspondingly provided with
Lead to the discharging gallery outside library, do not only take up a large amount of space, reduces the space of storage material, high, structure that there is also costs
The shortcomings of complexity, long construction period.In addition, in order to control the discharging of discharge port, it is additionally provided with volume control device at discharge port, flows
Amount control device not only acts as the effect of control discharge port load, also acts as the effect for being turned on and off discharge port.But it is existing
The discharge port of large-scale fluidization storehouse is arranged in discharging gallery, is not easy to check, once volume control device damages, material in library
A large amount of outflows would become hard to block, and is easy discharging gallery to block and bury material transfer equipment, causes heavy economic losses, especially
It is when having personnel in discharging gallery, it is also possible to which cause casualties accident, therefore there are some potential safety problemss.It is above-mentioned to solve
Problem has technical staff to develop a kind of novel floor-type large-scale fluidization storehouse, and V-shaped groove, V words is continuously arranged in bottom storehouse
Shape groove is radially arranged parallel to each other along bottom storehouse, and fluidized bar, V-shaped is from top to bottom arranged in the ramped surfaces of V-shaped groove both sides
The bottom setting of groove extends horizontally to the material delivery pipe outside library, such as the patent of invention of Patent No. 201310234506.4
Disclosed large floor formula fluidization storehouse.Such technology realizes bottom storehouse landing and horizontal feeding, eliminates discharging gallery, significantly
It has compressed and builds the library period and build Kucheng's sheet, and energy consumption when feeding is also significantly lower than traditional technology, economy and practicability are all
It is substantially improved.But found in practice, in such technology, fluidized bar is from top to bottom arranged along slope, and several fluidized bars correspond to
The blanking port of one material delivery pipe when discharging, needs several fluidized bars to work at the same time, and just can guarantee normally entering for blanking port
Material, since feeding region is larger, discharging flow is simultaneously unstable, and load very greatly quickly, considerably increases powder outbound when smooth
The working strength of lifting means and follow-up dust-collecting equipment afterwards, not only energy consumption is larger, even will produce blocking when serious；Discharging has some setbacks
Load reduces suddenly when smooth, causes gas pressure leak, has not only influenced feeding efficiency, but also generate energy loss, and discharging flow
The unstable abrasion for being also easy to cause material delivery pipe；When there is feeding exception, generally by adjusting the gas supply air pressure of fluidized bar
Improve feeding speed, but due between air pressure adjustment and feeding speed changes existence time it is poor, often can not a successive step arrive
Position generally requires to go to grope for a long time to grasp the changing rule between air pressure adjustment and feeding speed, come to material extracting operation person
It says inconvenient.
Invention content
It is an object of the invention to overcome drawbacks described above, it is simple to provide a kind of discharging flow stabilization, less energy consumption, material extracting operation
Easy low energy consumption large-sized fluidisation powder storing bin.
The low energy consumption large-sized fluidisation powder storing bin of the present invention is achieved in that including the library and bottom storehouse, is arranged in bottom storehouse more
Material delivery pipe is arranged in the bottom of a V-shaped groove, V-shaped groove, and the ramped surfaces setting material of V-shaped groove both sides helps stream
Device, the material flow-aiding device are specially Pneumatic fluidized stick, material delivery pipe and material flow-aiding device respectively with supply air line
It is connected, the material flow-aiding device is parallel to material delivery pipe arrangement, and material flow-aiding device is at least arranged two groups, the object of difference group
It is parallel to each other and be arranged at interval in the upper and lower on the slope of V-shaped groove both sides between material flow-aiding device, it is located at V-shaped groove
The material flow-aiding device of bottom is arranged on material delivery pipe near the feed inlet of reduced pressure fluidized storehouse side, is located at least in V words
The material flow-aiding device of shape groove bottom is equipped with independent for gas control valve.
It is different according to the difference of flowability of library memory storing material and the size of V-shaped groove, under normal circumstances, different groups
Spacing distance ranging from 300-1500mm between material flow-aiding device.
It, can also be embedding by material flow-aiding device in order to avoid moving down generation obstruction along V-shaped groove to powder in feeding
It is located in the groove of V-shaped groove sloped sides surface setting.
Second object of the present invention is to provide a kind of discharging method of aforementioned low energy consumption large-sized fluidisation powder storing bin,
It includes the following steps：
(1) when powder abundance in the library, the material only in opening plan feeding region positioned at V-shaped groove bottom helps
Device is flowed, the corresponding material delivery pipe upper area of material flow-aiding device constitutes " discharging area " at this time, the lower layer in " discharging area "
Powder is sent out outside library after material flow-aiding device fluidisation into material delivery pipe again, and the upper layer powder in " discharging area " is made in gravity
Feed supplement is realized with lower automatic whereabouts, forms continuous feeding, adjusts the gas supply air pressure of material flow-aiding device, and control passes through reduced pressure fluidized
The feed inlet of storehouse side enters the powder flow of material delivery pipe, and material delivery pipe is made to keep required discharging speed；
(2) it after the powder of corresponding discharging area takes sky, when the discharging speed of material delivery pipe declines, partially opens or simultaneously
The unclassified stores flow-aiding device being arranged above material flow-aiding device described in opening steps (1), makes in the library " discharging area " periphery
Originally the lower part powder in " areas Si Liao " that can not flow is compacted to be activated, until " areas Si Liao " and powder cave in broken enter
" discharging area " then closes unclassified stores flow-aiding device, only keeps the material flow-aiding device work of V-shaped groove bottom, weight
Newly discharge by step (1)；
(3) step (2) is repeated, until material flow-aiding device normally can not be utilized to discharge with material delivery pipe cooperation again；
(4) start all materials flow-aiding device, fully activate the remaining powder in library, realized using the method for negative-pressure ward
The whole discharging process of powder in a library is completed in the discharging of remaining powder.
It should be pointed out that heretofore described " areas Si Liao " and " discharging area " is opposite concept, and it is not specific to
Some fixed region, so-called " discharging area " refers to material in space can overcome its internal friction and then energy under the effect of gravity
Enough move to the library inner region beside material delivery pipe blanking port；So-called " areas Si Liao " refer in space material such as without additional external force
Effect only leans on its own gravity that can not overcome the library inner region that the internal friction of itself is moved to material delivery pipe blanking port, together
When also refer to material in space and be compacted to form arch form structure or occur the hardened library inner region of material.
The low energy consumption large-sized fluidisation powder storing bin of the present invention is parallel to material delivery pipe by the V-shaped groove face in bottom storehouse
It arranges material flow-aiding device, and the material flow-aiding device setting positioned at V-shaped groove bottom is made to subtract on material delivery pipe
Near the feed inlet of pressure fluidisation storehouse side, compared with prior art, it the advantage is that：(1) every as material flow-aiding device
Pneumatic fluidized stick can be in corresponding material delivery pipe multiple blanking ports, that is, while working, can be to multiple material delivery pipes
Upper reduced pressure fluidized storehouse side feed opening carries out fluidisation feeding, is conducive to the feeding amount for improving specific energy consumption, good economy performance, energy consumption is more
It is low；(2) under conditions of storage powder is more in the library when feeding, the material only opened positioned at V-shaped groove bottom helps stream
Device makes the local powder being located on material delivery pipe near reduced pressure fluidized storehouse side feed opening be fully fluidised, after fluidisation
The blanking port of feed inlet and material delivery pipe of the powder through reduced pressure fluidized storehouse enters material delivery pipe, then is transported by material delivery pipe
To outside library, in the process, since the tolerance that material flow-aiding device provides is smaller, the powder above material delivery pipe relies on the bed of material
Immense pressure caused by the gravity of itself falls feed supplement automatically, flows into material delivery pipe and is transported again along material delivery pipe
During remain ultra dense phase state, this powder with the conveying of ultra dense phase state only contains a small amount of gas, conveying speed
Slowly, discharging flow is stablized easily-controllable, not only mitigates significantly to the abrasion of material delivery pipe, discharges subsequent lifting means and dust is set
Standby to work overloadingly, discharging efficiency greatly promotes, and is conducive to that feeding energy consumption is greatly reduced, extends the use of reclaimer device
Service life；(3) under conditions of storage powder is less in the library when feeding, the object of V-shaped groove bottom is still relied primarily on
Expect that flow-aiding device realizes powders flowing purification, rest materials flow-aiding device is only temporary service, work mesh in most times
It is more be by activate bottoms material make positioned at " areas Si Liao " caking materials or material arch is broken caves in, into discharging area with
Convenient for taking out, material flow-aiding device can be just opened comprehensively during powder is considerably less only in library and clear library, therefore entirely
Air consumption in reclaiming process greatly reduces, and energy consumption is extremely low.
Exist in conclusion the low energy consumption large-sized fluidisation powder storing bin of the present invention overcomes existing large floor formula fluidization storehouse
Deficiency, it is a series of excellent to have that simple in structure, discharging flow is stable, material extracting operation is simple and practicable and materiel warehouse-out is efficient etc.
Point, especially its have the characteristics that low energy consumption, with long service life, practicability and cost performance higher, be particularly suitable for flyash, cement
The storage of equal granular materials；The discharging method of the low energy consumption large-sized fluidisation powder storing bin of the present invention, easy to operate, discharging flow is steady
Fixed, feeding is efficient, and economy is splendid, securely and reliably, has a vast market application prospect.
Description of the drawings
Fig. 1 is one of the structural schematic diagram of the low energy consumption large-sized fluidisation powder storing bin of the present invention.
Fig. 2 is the sectional view along A-A of Fig. 1.
Fig. 3 is the second structural representation of the low energy consumption large-sized fluidisation powder storing bin of the present invention.
Attached drawing identifies：1, the library；2, bottom storehouse；3, V-shaped groove；4, material delivery pipe；5, reduced pressure fluidized storehouse；6, air supply pipe
Road；701, positioned at first group of material flow-aiding device of V-shaped groove bottom；702, second group of material flow-aiding device；703,
Three groups of material flow-aiding devices；8, ground.
Specific implementation mode
Embodiment one
The low energy consumption large-sized fluidisation powder storing bin of the present invention as depicted in figs. 1 and 2, including the library 1 and bottom storehouse 2, bottom storehouse 2 and ground
Face 8 is concordant, and five V-shaped grooves 3 are arranged in bottom storehouse 2, and material delivery pipe 4, V-shaped groove two is arranged in the bottom of V-shaped groove 3
Material flow-aiding device is arranged in the ramped surfaces of side, and the material flow-aiding device is specially Pneumatic fluidized stick, material delivery pipe 4 and object
Material flow-aiding device is connected with supply air line 6 respectively, and the material flow-aiding device 6 is parallel to the arrangement of material delivery pipe 4, and material helps stream
Device is arranged three groups altogether, includes first group of material flow-aiding device 701 positioned at V-shaped groove bottom, and set successively upwards
The second group of material flow-aiding device 702 and third group material flow-aiding device 703 set, wherein between the material flow-aiding device of different groups
It is parallel to each other and be arranged at interval in the upper and lower on the slope of 3 both sides of V-shaped groove, it is located at the first of 3 bottom of V-shaped groove
Group material flow-aiding device 701 is arranged on material delivery pipe 4 near the feed inlet of 5 side of reduced pressure fluidized storehouse, is located at V-shaped groove
First group of material flow-aiding device 701 of bottom is equipped with independent for gas control valve (in figure not specifically illustrated).
In application, the discharging method of low energy consumption large-sized fluidisation powder storing bin described in this example is as follows, include the following steps：
(1) it when powder abundance in the library, only opens in plan feeding region and is located at the first of 3 bottom of V-shaped groove
Group material flow-aiding device 701, at this time first group of 701 corresponding material delivery pipe of material flow-aiding device, 4 upper area composition " blanking
Area ", lower layer's powder in " discharging area " send out library again after first group of material flow-aiding device 701 fluidizes into material delivery pipe 4
Outside, the upper layer powder in " discharging area " falls realize feed supplement under the effect of gravity automatically, forms continuous feeding, and adjustment material helps stream
The gas supply air pressure of device 4, control are entered the powder flow of material delivery pipe 4 by the feed inlet of 5 side of reduced pressure fluidized storehouse, make object
Material conveying tube 4 keeps required discharging speed；
(2) it after the powder of corresponding discharging area takes sky, when the discharging speed of material delivery pipe 4 declines, partially opens or together
When opening steps (1) described in the unclassified stores flow-aiding device that is arranged of first group of 701 top of material flow-aiding device, that is, open second
Group material flow-aiding device 702 or/and third group material flow-aiding device 703, coordinate with first group of material flow-aiding device 701, make library
" discharging area " periphery is compacted the lower part powder in " areas Si Liao " that can not flow originally and is activated in vivo, until " areas Si Liao " and powder
Material, which caves in be crushed, enters " discharging area ", then, closes second group of material flow-aiding device 702 or/and third group material flow-aiding device
703, first group of material flow-aiding device 701 work of 3 bottom of V-shaped groove is only kept, is discharged again by step (1)；
(3) step (2) is repeated, until material flow-aiding device normally can not be utilized to discharge with the cooperation of material delivery pipe 4 again；
(4) while startup first group of material flow-aiding device, 701, second groups of material flow-aiding devices 702 and third group material help
Device 703 is flowed, the remaining powder in library is fully activated, the discharging of remaining powder is realized using the method for negative-pressure ward, completes one
The whole discharging process of powder in secondary library.
It should be pointed out that heretofore described " areas Si Liao " and " discharging area " is opposite concept, and it is not specific to
Some fixed region, so-called " discharging area " refers to material in space can overcome its internal friction and then energy under the effect of gravity
Enough move to the library inner region beside material delivery pipe blanking port；So-called " areas Si Liao " refer in space material such as without additional external force
Effect only leans on its own gravity that can not overcome the library inner region that the internal friction of itself is moved to material delivery pipe blanking port, together
When also refer to material in space and be compacted to form arch form structure or occur the hardened library inner region of material.Above description is equally suitable
For the other embodiment of the present invention.
The low energy consumption large-sized fluidisation powder storing bin of the present invention is parallel to material delivery pipe by the V-shaped groove face in bottom storehouse
It arranges material flow-aiding device, and the material flow-aiding device setting positioned at V-shaped groove bottom is made to subtract on material delivery pipe
Near the feed inlet of pressure fluidisation storehouse side, compared with prior art, it the advantage is that：(1) every as material flow-aiding device
Pneumatic fluidized stick can be in corresponding material delivery pipe multiple blanking ports, that is, while working, can be to multiple material delivery pipes
Upper reduced pressure fluidized storehouse side feed opening carries out fluidisation feeding, is conducive to the feeding amount for improving specific energy consumption, good economy performance, energy consumption is more
It is low；(2) under conditions of storage powder is more in the library when feeding, the material only opened positioned at V-shaped groove bottom helps stream
Device makes the local powder being located on material delivery pipe near reduced pressure fluidized storehouse side feed opening be fully fluidised, after fluidisation
The blanking port of feed inlet and material delivery pipe of the powder through reduced pressure fluidized storehouse enters material delivery pipe, then is transported by material delivery pipe
To outside library, in the process, since the tolerance that material flow-aiding device provides is smaller, the powder above material delivery pipe relies on the bed of material
Immense pressure caused by the gravity of itself falls feed supplement automatically, flows into material delivery pipe and is transported again along material delivery pipe
During remain ultra dense phase state, this powder with the conveying of ultra dense phase state only contains a small amount of gas, conveying speed
Slowly, discharging flow is stablized easily-controllable, not only mitigates significantly to the abrasion of material delivery pipe, discharges subsequent lifting means and dust is set
Standby to work overloadingly, discharging efficiency greatly promotes, and is conducive to that feeding energy consumption is greatly reduced, extends the use of reclaimer device
Service life；(3) under conditions of storage powder is less in the library when feeding, the object of V-shaped groove bottom is still relied primarily on
Expect that flow-aiding device realizes powders flowing purification, rest materials flow-aiding device is only temporary service, work mesh in most times
It is more be by activate bottoms material make positioned at " areas Si Liao " caking materials or material arch is broken caves in, into discharging area with
Convenient for taking out, material flow-aiding device can be just opened comprehensively during powder is considerably less only in library and clear library, therefore entirely
Air consumption in reclaiming process greatly reduces, and energy consumption is extremely low.
Exist in conclusion the low energy consumption large-sized fluidisation powder storing bin of the present invention overcomes existing large floor formula fluidization storehouse
Deficiency, it is a series of excellent to have that simple in structure, discharging flow is stable, material extracting operation is simple and practicable and materiel warehouse-out is efficient etc.
Point, especially its have the characteristics that low energy consumption, with long service life, practicability and cost performance higher, be particularly suitable for flyash, cement
The storage of equal granular materials；The discharging method of the low energy consumption large-sized fluidisation powder storing bin of the present invention, easy to operate, discharging flow is steady
Fixed, feeding is efficient, and economy is splendid, securely and reliably, has a vast market application prospect.
It should be pointed out that illustrated for three groups of material flow-aiding devices are set in this example, in practical applications,
Two groups, four groups of even more multigroup material flow-aiding devices can be set, according to the difference of flowability and V-shaped of library memory storing material
The size of groove is different, under normal circumstances, the spacing distance ranging from 300-1500mm between difference group material flow-aiding device, when
It, can be by different groups of material flow-aiding devices when the gradient of either V-shaped groove is smaller when the material fluidity stored is poor
Between spacing distance setting it is closer, such as be set as 300mm；When the material fluidity stored is preferable either V words
, can be by the remoter of the setting of the spacing distance between different groups of material flow-aiding devices when the gradient of shape groove is larger, such as set
For 1000mm either 1500mm, it may be set according to actual conditions in engineering construction, good technique effect can be played；
In addition, each group of material flow-aiding device can be specifically made of one, two, three even more Pneumatic fluidized sticks, it is different
Pneumatic fluidized stick quantity in group material flow-aiding device may be the same or different；In addition, the low energy consumption large-sized fluidisation of the present invention
First group of material flow-aiding device 701 of V-shaped groove bottom is located at least in powder storing bin should be equipped with the control of independent gas supply
Valve, to may be implemented to complete feeding, remaining certain object using only first group of material flow-aiding device 701 in use
Material flow-aiding device can be arranged it is independent for gas control valve, can also be arranged it is shared for gas control valve, for example, in this example, the
Two groups of material flow-aiding devices 702 and third group material flow-aiding device 703 can be respectively set independent for gas control valve, and setting is only
It is vertical that be for the advantages of gas control valve can also be using only second group of material flow-aiding device 702 or third group material flow-aiding device
703 are used cooperatively with first group of material flow-aiding device 701, and combination is more flexible, are conducive to further decrease energy consumption, certainly
Second group of material flow-aiding device 702 and third group material flow-aiding device 703 can also share one for gas control valve, actually answer
It can be needed to be designed according to feeding in；4th, the V-shaped groove in this example in bottom storehouse is set parallel to each other, in reality
In, V-shaped groove can also be that can be applied to this along the library center divergent shape arrangement or subregion interlaced arrangement
Among invention, can realize good technique effect, and the particular number of V-shaped groove can also according to the library size into
Row setting, above-mentioned technical proposal are all based on the simple change of the technology of the present invention principle, are only described herein with word, no longer
In addition attached drawing, all the present invention claims protection domain within.Further more, above-mentioned technology illustrates to be equally applicable to other of the present invention
Embodiment is described in this together, behind be not repeated.
Embodiment two
The low energy consumption large-sized fluidisation powder storing bin of the present invention as shown in Figure 3, difference lies in the upper of, bottom storehouse 2 with embodiment one
Face table is slightly above ground 8；In addition, all material flow-aiding devices be embedded be arranged on 3 sloped sides surface of V-shaped groove it is recessed
In slot, i.e., first group of material flow-aiding device, 701, second groups of material flow-aiding devices 702 and third group material flow-aiding device 703 are embedding
It is located in the groove of 3 sloped sides surface of V-shaped groove setting.
The discharging method of technical solution described in this example and the description in embodiment one are essentially identical, are not repeated herein.With
Embodiment one is compared, and the upper surface of bottom storehouse 2 table is slightly above ground 8, is conducive to waterproof and dampproof；Further, since material flow-aiding device is equal
It is embedded in the groove that 3 sloped sides surface of V-shaped groove is arranged, it is possible to prevente effectively from feeding to powder along V-shaped slope
Mouth moves down generation obstruction, advantageously ensures that the smooth of materiel warehouse-out.
Embodiment in the present invention only more preferably illustrates technical scheme of the present invention, should not be considered as the limit to the present invention
It makes, the technical characteristic in many of which embodiment can also cross-reference.Based on the technology of the present invention principle, those skilled in the art
Combination can be re-started to technical solution described in above-described embodiment or some of which element is carried out using similar technique simple
Replace, if based on the present invention technical principle, all the present invention claims protection domain in.
Claims (4)
1. a kind of low energy consumption large-sized fluidisation powder storing bin, including the library and bottom storehouse, multiple V-shaped grooves, V-shaped are set in bottom storehouse
Material delivery pipe is arranged in the bottom of groove, and material flow-aiding device is arranged in the ramped surfaces of V-shaped groove both sides, and the material helps stream
Device is specially Pneumatic fluidized stick, and material delivery pipe and material flow-aiding device are connected with supply air line respectively, it is characterised in that institute
It states material flow-aiding device and is parallel to material delivery pipe arrangement, material flow-aiding device is at least arranged two groups, and the material of difference group helps stream
It is parallel to each other and be arranged at interval in the upper and lower on the slope of V-shaped groove both sides between device, it is located at V-shaped groove bottom
Material flow-aiding device be arranged on material delivery pipe near the feed inlet of reduced pressure fluidized storehouse side, be located at least in V-shaped groove
The material flow-aiding device of bottom is equipped with independent for gas control valve.
2. low energy consumption large-sized fluidisation powder storing bin according to claim 1, it is characterised in that difference group material flow-aiding device
Between spacing distance ranging from 300-1500mm.
3. low energy consumption large-sized fluidisation powder storing bin according to claim 1, it is characterised in that material flow-aiding device is embedded in V
In the groove of font groove sloped sides surface setting.
4. the discharging method of low energy consumption large-sized fluidisation powder storing bin described in any claim, special in a kind of claim 1-3
Sign is to include the following steps：
(1) when powder abundance in the library, stream is helped to fill positioned at the material of V-shaped groove bottom only in opening plan feeding region
It sets, the corresponding material delivery pipe upper area of material flow-aiding device constitutes " discharging area " at this time, lower layer's powder in " discharging area "
It is sent out outside library again into material delivery pipe after material flow-aiding device fluidisation, the upper layer powder in " discharging area " is under the effect of gravity
Automatic fall realizes feed supplement, forms continuous feeding, adjusts the gas supply air pressure of material flow-aiding device, and control passes through reduced pressure fluidized storehouse side
The feed inlet in face enters the powder flow of material delivery pipe, and material delivery pipe is made to keep required discharging speed；
(2) it after the powder of corresponding discharging area takes sky, when the discharging speed of material delivery pipe declines, partially opens or opens simultaneously
The unclassified stores flow-aiding device being arranged above material flow-aiding device described in step (1) makes in the library " discharging area " periphery originally
The lower part powder for being compacted " areas Si Liao " that can not flow is activated, until " areas Si Liao " and powder cave in and broken enter " blanking
Area " then closes unclassified stores flow-aiding device, only keeps the material flow-aiding device work of V-shaped groove bottom, presses again
Step (1) discharges；
(3) step (2) is repeated, until material flow-aiding device normally can not be utilized to discharge with material delivery pipe cooperation again；
(4) start all materials flow-aiding device, fully activate the remaining powder in library, realized using the method for negative-pressure ward remaining
The whole discharging process of powder in a library is completed in the discharging of powder.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810775543.9A CN108706237A (en) | 2018-07-16 | 2018-07-16 | Low energy consumption large-sized fluidisation powder storing bin and its discharging method |
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| CN201810775543.9A CN108706237A (en) | 2018-07-16 | 2018-07-16 | Low energy consumption large-sized fluidisation powder storing bin and its discharging method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111824611A (en) * | 2020-07-24 | 2020-10-27 | 包春梅 | Steel plate bin discharging device |
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2018
- 2018-07-16 CN CN201810775543.9A patent/CN108706237A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111824611A (en) * | 2020-07-24 | 2020-10-27 | 包春梅 | Steel plate bin discharging device |
| CN111824611B (en) * | 2020-07-24 | 2022-07-22 | 鱼台县旺星粮油机械制造有限公司 | Steel plate bin discharging device |
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Application publication date: 20181026 |