CN204345672U - A kind of water-cooled grate transmission device - Google Patents

A kind of water-cooled grate transmission device Download PDF

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Publication number
CN204345672U
CN204345672U CN201420684908.4U CN201420684908U CN204345672U CN 204345672 U CN204345672 U CN 204345672U CN 201420684908 U CN201420684908 U CN 201420684908U CN 204345672 U CN204345672 U CN 204345672U
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CN
China
Prior art keywords
water
guide
cooled grate
drive link
axis
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201420684908.4U
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Chinese (zh)
Inventor
郝小波
周晓
周家勇
刘训志
蔡文钢
万思本
陈金火
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China Western Power Industrial Co Ltd
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China Western Power Industrial Co Ltd
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Priority to CN201420684908.4U priority Critical patent/CN204345672U/en
Application granted granted Critical
Publication of CN204345672U publication Critical patent/CN204345672U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a kind of water-cooled grate transmission device, comprise transmission mechanism, eccentric stiffener and vibrating mechanism; Described transmission mechanism is connected with eccentric stiffener belt transmission, eccentric stiffener is connected with vibrating mechanism by drive link, described vibrating mechanism comprises the axis of guide and spring leaf, the described axis of guide is connected with fire grate segment by vibrating mass connector, described vibrating mass connector is arranged on the axis of guide, both sides mounting spring sheet group being fixed by clamp nut respectively; The described axis of guide is threaded with drive link.When the utility model effectively eliminates biomass fuel combustion bonding, put up a bridge and coking, the impurity stable emissions such as the lime-ash after burning, biomass fuel burns completely, makes full use of its heat, makes water-cooled grate monolithic stability and continuously.

Description

A kind of water-cooled grate transmission device
Technical field
The utility model relates to technical field of combustion equipment, particularly relates to a kind of water-cooled grate transmission device.
Background technology
There is after biomass fuel combustion stronger caking property, easy bridging, and size is larger after fuel crushing, fuel is more containing impurity such as soil, fragment of brick, stones, CFB biomass boiler runs and is subject to impurity effect, occurs that sulfuration is obstructed, situation about cannot run continuously for a long time, the impurity such as the such as stone in fuel can not discharge burner hearth problem, all affect realization material in boiler being carried out to mass burn.
Utility model content
In order to overcome above-mentioned existing technological deficiency, the purpose of this utility model be to provide a kind of imitate when eliminating biomass fuel combustion bonding, put up a bridge and coking, make water-cooled grate sufficient combustion ash discharge fire grate transmission device smoothly.
In order to achieve the above object, the utility model is achieved through the following technical solutions:
The technical program is a kind of water-cooled grate transmission device, comprises transmission mechanism, eccentric stiffener and vibrating mechanism; Described transmission mechanism is connected with eccentric stiffener belt transmission, eccentric stiffener is connected with vibrating mechanism by drive link, described vibrating mechanism comprises the axis of guide and spring leaf, the described axis of guide is connected with fire grate segment by vibrating mass connector, described vibrating mass connector is arranged on the axis of guide, both sides mounting spring sheet group being fixed by clamp nut respectively; The described axis of guide is threaded with drive link.
Outside water-cooled grate, transmission device is set, adopt two bar chip architecture of the spring, the rotation of transmission mechanism is converted to the of reciprocating vibration of water-cooled grate, thus eliminate biomass fuel combustion time bonding, put up a bridge and coking, coking when avoiding biomass fuel combustion on grate surface, and the discharge of the impurity such as stone after efficiently solving biomass fuel combustion in lime-ash and fuel, guarantee the stable and longtime running of water-cooled grate; Simultaneously in vibrating mass, spring leaf can absorb moment that water-cooled grate supporting steel plate camber of spring brings larger reaction force, plays the effect of buffering and damping.
As optimization, described eccentric stiffener is bent axle, and bent axle is supported by bearing block, and crankshaft two end is connected and installed drive link all respectively.
As preferably, every block fire grate segment of water-cooled grate is at least provided with two groups of vibrating mechanisms, ensures water-cooled grate uniform force, smooth running.
As preferably, described spring leaf is butterfly spring sheet, and butterfly spring has that rigidity is large, vibration absorption ability strong, variation rigidity, effectively transmits the strength that transmission mechanism exports, and eliminates the reaction force that water-cooled grate upper steel plate camber of spring brings to transmission mechanism entirety.
As optimization, described drive link and horizontal plane angled, improve the stressing conditions between drive link and water-cooling vibration furnace grate.
Compared with prior art, the beneficial effects of the utility model are: when the utility model effectively eliminates biomass fuel combustion bonding, put up a bridge and coking, the impurity stable emissions such as the lime-ash after burning, biomass fuel burns completely, make full use of its heat, make water-cooled grate monolithic stability and continuously.
Accompanying drawing explanation
The utility model illustrates by example and with reference to the mode of accompanying drawing, wherein:
Fig. 1 is front view of the present utility model;
Fig. 2 is top view of the present utility model;
Fig. 3 is the close-up schematic view in A portion in the utility model Fig. 1.
Mark in figure: transmission mechanism 1, drive link 2, the axis of guide 3, spring leaf 4, vibrating mass connector 5, clamp nut 6, bent axle 7 and bearing block 8.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in detail.
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Embodiment 1, as shown in Figure 1, Figure 2 with shown in Fig. 3, the utility model is a kind of water-cooled grate transmission device, comprises transmission mechanism 1, eccentric stiffener and vibrating mechanism; Described transmission mechanism 1 is connected with eccentric stiffener belt transmission, eccentric stiffener is connected with vibrating mechanism by drive link 2, described vibrating mechanism comprises the axis of guide 3 and spring leaf 4, the described axis of guide 3 is connected with fire grate segment with hold down gag by vibrating mass connector 5, described vibrating mass connector 5 is arranged on the axis of guide 3, and both sides respectively mounting spring sheet group are also fixed by clamp nut 6; The described axis of guide 3 is threaded with drive link 2.
Transmission mechanism 1 is made up of adjustable frequency motor and decelerator, water-cooled grate is placed on furnace grate support by leaf spring, adjustable frequency motor in transmission mechanism 1 rotates, pass through belt, be passed to eccentric stiffener, under the motion of eccentric stiffener, connect vibrating mechanism by drive link, thus drive water-cooled grate vibration; Spring leaf 4 adopts involutory combining structure, that is: between two to being combined into one group, superimposed between group and group.Drive link 2 is stressed when travelling forward, and right side spring plate group is compressed, until when distortion forms certain rigidity, accumulate comparatively macro-energy, promote water-cooled grate and travel forward, left side spring plate group then plays the effect of buffering and protection; When water-cooled grate travels forward, drive the leaf spring generation deformation under fire grate, energy accumulation; In drive link 2 stroke back; spring plate group on the right of vibrating mass connector 5; restore to the original state; be in free state; the spring plate group on the left side is then in compressive state, and discharge together with the ability that energy and the leaf spring of accumulation are accumulated, the anti-water-cooled grate that pushes away back runs; spring plate group on the right of vibrating mass connector 5 now then plays the effect of buffering and protection, so repeatedly.
Biomass fuel enters burner hearth, drop on water-cooled grate height end surfaces, after heated-air drying, fuel fire is burnt, after a period of time, putting up a bridge and a small amount of coking appears in fuel, now, water-cooled grate starts porpoise under transmission device effect, destroy the bridging of stoker surface fuel, fuel loosens and forms gap or hole, hot blast under grate surface passes rapidly through gap or hole, and bring a large amount of oxygen, simultaneously, under the vibration of fire grate, biomass fuel progressively slides to district in fire grate under fire grate low side, under oxygen enrichment operating mode, fuel conflagration, meanwhile, heat is absorbed not broken belt by water-cooled grate and walks.In the fuel basic afterburnt, under the continuous vibration of fire grate, lime-ash falls down from water-cooled grate low side, discharges burner hearth.In the infeed burner hearth that biomass fuel is continuous, appropriate, realize smooth combustion in stove; Fire grate is interrupted, vibrates in good time, realizes that fuel seethes, after-flame, the discharge of lime-ash absorption portion heat.According to the characteristic of different biomass fuel, variable-frequency motor in transmission mechanism 1 is under the control of frequency converter, realize opening, stopping according to the different time periods, by decelerator, belt transmission, bent axle, the fore-and-aft direction circular motion of motor being converted to drive link 2 runs, drive link 2 drives fire grate also to do fore-and-aft direction and moves back and forth, and finally realizes the vibration of water-cooled grate, to meet combustion requirements.
Embodiment 2, the basis of embodiment 1 is optimized design to eccentric stiffener, and described eccentric stiffener is bent axle, and bent axle 7 is supported by bearing block 8, bent axle 7 two ends are connected and installed drive link 2 all respectively, install gear and be connected with the decelerator belt transmission in transmission mechanism in the middle part of bent axle 7.
Embodiment 3, decision design is carried out to the vibrating mechanism quantity that the every block fire grate segment of water-cooled grate is installed in the basis of embodiment 1 or embodiment 2, every block fire grate segment of water-cooled grate has two groups of vibrating mechanisms at least to ensure water-cooled grate uniform force, smooth running.
Embodiment 4, decision design is carried out to spring leaf 4 in the basis of embodiment 1, described spring leaf 4 is butterfly spring sheet, butterfly spring has that rigidity is large, vibration absorption ability is strong, variation rigidity, the strength that effective transmission transmission mechanism exports, and eliminate water-cooled grate upper steel plate camber of spring to the overall reaction force brought of transmission mechanism.
Embodiment 5, the basis of embodiment 1 is optimized design to drive link 2, and described drive link 2 is angled with horizontal plane, improves the stressing conditions between drive link 2 and water-cooling vibration furnace grate.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.

Claims (5)

1. a water-cooled grate transmission device, is characterized in that: comprise transmission mechanism (1), eccentric stiffener and vibrating mechanism; Described transmission mechanism (1) is connected with eccentric stiffener belt transmission, eccentric stiffener is connected with vibrating mechanism by drive link (2), described vibrating mechanism comprises the axis of guide (3) and spring leaf (4), the described axis of guide (3) is connected with fire grate segment by vibrating mass connector (5), described vibrating mass connector (5) is arranged on the axis of guide (3), and both sides respectively mounting spring sheet group are also fixed by clamp nut (6); The described axis of guide (3) is threaded with drive link (2).
2. a kind of water-cooled grate transmission device according to claim 1, is characterized in that: described eccentric stiffener is bent axle, and bent axle (7) is supported by bearing block (8), and bent axle (7) two ends are connected and installed drive link (2) all respectively.
3. a kind of water-cooled grate transmission device according to claim 1 and 2, is characterized in that: every block fire grate segment of water-cooled grate has two groups of vibrating mechanisms at least.
4. a kind of water-cooled grate transmission device according to claim 1, is characterized in that: described spring leaf (4) is butterfly spring sheet.
5. a kind of water-cooled grate transmission device according to claim 1, is characterized in that: described drive link (2) is angled with horizontal plane.
CN201420684908.4U 2014-11-17 2014-11-17 A kind of water-cooled grate transmission device Expired - Fee Related CN204345672U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420684908.4U CN204345672U (en) 2014-11-17 2014-11-17 A kind of water-cooled grate transmission device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420684908.4U CN204345672U (en) 2014-11-17 2014-11-17 A kind of water-cooled grate transmission device

Publications (1)

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CN204345672U true CN204345672U (en) 2015-05-20

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114135883A (en) * 2021-12-08 2022-03-04 江苏大学 Rotary grate capable of vibrating and boiler

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114135883A (en) * 2021-12-08 2022-03-04 江苏大学 Rotary grate capable of vibrating and boiler
CN114135883B (en) * 2021-12-08 2024-04-12 江苏大学 Vibrating rotary grate and boiler

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150520