A kind of feed bin arch protector that is provided with brokenly the arch turning cylinder
Technical field
The present invention relates to a kind of feed bin arch protector, particularly relate to a kind of feed bin arch protector that is provided with brokenly the arch turning cylinder.
Background technology
At present, each coal-burning power plant's coal bunker and other field material bins all in various degree have canopy (fluffy) coal or material knot doming effect, affect the normal operation of equipment, the minimizing economic benefit.Coal or material fall by free action of gravitation in the storehouse, have lateral pressure between material and warehouse, to the frictional force of wall and to the pressure of bottom surface.Excessive or too small when the granularity of material, viscosity is medium or on the upper side, high humidity, and storeroom compaction force and cohesive force can will certainly produce canopy (fluffy) coal or material knot doming effect greater than free gravity when the time of depositing was long.
Used loose machinery has:
One. long pricker, promptly dredge in arch camber place by manpower.Big and the easy crisis employee life security of this kind method labour intensity.
Two. mechanical vibrator, this kind machinery if the time that coal or material are deposited viscosity long or coal is big, then can be shaken more real and more real only to the canopy effect of arching upward, and bring bigger difficulty to loosening.
Three. pressurized air arch breaking apparatus, the method consume a large amount of air, and once investment is big, and containing high coal of moisture or material can only be more and more real.
Four. lay the Polymer wear plate, this method needs constantly to change wear plate, and investment strengthens.And wear plate is with wearing and tearing after a period of time, on the contrary for becoming arch to create condition.
Summary of the invention
The object of the present invention is to provide a kind of feed bin arch protector that is provided with brokenly the arch turning cylinder, the transmission device that this device comprises brokenly arch turning cylinder, broken arch gear, material bin box is external cooperates with broken arch turning cylinder, the bracing frame of turning cylinder, the sealing arrangement that motor and material bin box are external.Wherein the broken arch turning cylinder rotates, and the broken arch gear on the broken arch turning cylinder makes the coal of knot arch or material lean on free gravity fall, and then removes arch by the stress balance of rotatory force destruction knot arch, reaches through-flow effect.
The objective of the invention is to be achieved through the following technical solutions:
A kind of feed bin arch protector that is provided with the broken arch turning cylinder, this device include broken arch turning cylinder, broken arch gear, sealing device, motor and the interior shelf that is arranged in the easy arching of the feed bin internal face zone; Symmetry is offered two holes on the sustained height place, both sides in the easy arching of warehouse zone horizontal line, the broken arch turning cylinder is installed in the hole, the mode that connects with keyway on the axle is equidistantly installed the broken arch gear, the transmission mechanism of broken arch turning cylinder links to each other with belt with motor, is sealed by steel plate and sealing ring between broken arch turning cylinder and warehouse.
Aforesaid a kind of feed bin arch protector that is provided with brokenly the arch turning cylinder, the tooth pitch of broken arch gear is 5~100mm.
A kind of feed bin arch protector that is provided with brokenly the arch turning cylinder, this arch protector is installed in the warehouse exit in the easy bridged region of feed bin internal face territory.
Aforesaid a kind of feed bin arch protector that is provided with the broken arch turning cylinder, this arch protector can symmetrically in the warehouse exit be installed two groups.
Aforesaid a kind of feed bin arch protector that is provided with the broken arch turning cylinder is installed two groups of these arch protectors at bulkhead sustained height place horizontal line, and the bracing frame of broken arch turning cylinder is installed on the bulkhead.
Aforesaid a kind of feed bin arch protector that is provided with brokenly the arch turning cylinder is installed the two or more groups arch protector at bulkhead one side differentiated levels.
Advantage of the present invention and effect are:
1. the present invention is provided with the broken arch turning cylinder, and is anti-arch, the broken arch ability is strong, is difficult for stopping up, and increases warehouse service life.
2. according to actual conditions a plurality of arch protectors of the present invention can be installed in the storehouse, can improve effect anti-arch, broken arch.
3. easy construction of the present invention can be transformed traditional coal bunker; Install simply, do not destroy the original operation conditions of warehouse.
4. the present invention is transmitted power by transmission mechanism, and then drives the rotation of broken arch turning cylinder, and its power carries area big, and system is reliable.
Description of drawings
Fig. 1 is the front view of the embodiment of the invention 1 arrangement;
Fig. 2 is the left view of the embodiment of the invention 1 arrangement;
Fig. 3 is the A-A cutaway view of broken arch gear on the broken arch turning cylinder of the present invention;
Fig. 4 is the birds-eye view of the embodiment of the invention 2 arrangements;
Fig. 5 is the left view of the embodiment of the invention 2 arrangements;
Fig. 6 is the birds-eye view of the embodiment of the invention 3 arrangements;
Fig. 7 is the birds-eye view of the embodiment of the invention 4 arrangements;
Fig. 8 is the left view of the embodiment of the invention 4 arrangements.
The specific embodiment
The present invention is described in detail with reference to the accompanying drawings.
As shown in the figure, easy generation canopy (fluffy) coal or material that the present invention is installed in coal bunker or the unclassified stores storehouse are tied the zone of encircleing, and this device includes the broken arch turning cylinder 2 that is arranged in the easy bridged region of the feed bin 1 internal face territory, broken arch gear 3, sealing arrangement 4, motor 5 and interior shelf 6.During installation, broken arch turning cylinder horizontal cross is arranged in the arching zone, symmetry is offered two holes on the sustained height place, both sides in the easy arching of warehouse zone horizontal line, the broken arch turning cylinder is installed in the hole, the mode that connects with keyway on the axle is equidistantly installed the broken arch gear, if the broken arch gear failure then can only be replaced the gear of damage in the running.The transmission mechanism of broken arch turning cylinder links to each other with belt with motor, is sealed by steel plate and sealing ring between broken arch turning cylinder and warehouse.The tooth pitch of broken arch gear is between 5~100mm, and the difference of based on fuel grain graininess is selected.
After device of the present invention installed, when coal bunker or material bin generation arch camber or shed (fluffy), this device was started working.The transmission mechanism of broken arch turning cylinder begins to rotate under motor 5 drives, by transmission mechanism transmission power, and then the rotation of drive broken arch turning cylinder 2; Also can use the fire grate of chain grate boiler to link together as power with transmission mechanism with some, directly drive band tooth broken arch turning cylinder when traveling-grate stoker rotates and rotate.Tooth on the broken arch gear 3 destroys the fulcrum of knot arch by rotatory force, and then destroys the arch that the stress balance of arching forms the arch coal particle and subside, and makes the coal of knot arch or material by free gravity fall, and then removes arch, reaches through-flow effect.
Horizontally disposed this device in warehouse in order to reach better effect, can be installed a plurality of arch protectors and capable of choosing multiple arrangement according to actual conditions in the storehouse.
Embodiment 1
One group of broken arch turning cylinder is installed in the warehouse exit.Be applicable to that the warehouse size is little and become arch is not very serious various feed bins.
Embodiment 2
Two groups of broken arch turning cylinders of symmetrical installation in the warehouse exit.This device can be worked always, to prevent coal bunker or material bin generation arch camber or shed (fluffy), also can only work when arch camber takes place.
Embodiment 3
When the coal bunker lateral dimension is excessive, two groups of broken arch turning cylinders are installed on bulkhead sustained height place horizon.Form the coal breakage slope between coal bunker outlet and turning cylinder rolling tooth row face, the pressure that this slope decision coal breakage amount and bottom tooth row bear is installed the bracing frame that breaks the arch turning cylinder on the coal bunker wall.
Embodiment 4
When the serious bridged region of knot arch territory is excessive, the broken arch of two or more groups turning cylinder is installed, to reach the corresponding arch effect of removing at bulkhead one side differentiated levels.When many row's broken arch turning cylinders are installed, can only allow and wherein one arrange always continuous firing, other turning cylinder is worked when arching.