CN100549523C - The mechanical compensating mechanism of incineration furnace grate - Google Patents
The mechanical compensating mechanism of incineration furnace grate Download PDFInfo
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- CN100549523C CN100549523C CNB2007101571984A CN200710157198A CN100549523C CN 100549523 C CN100549523 C CN 100549523C CN B2007101571984 A CNB2007101571984 A CN B2007101571984A CN 200710157198 A CN200710157198 A CN 200710157198A CN 100549523 C CN100549523 C CN 100549523C
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Abstract
The mechanical compensating mechanism of incineration furnace grate.Can prevent the heat expansion absorber of the furnace grate ventilation gap variation that the incineration furnace grate sheet causes because of expanding with heat and contract with cold.It contains to be crisscross arranged and the one side is fixed on fixed grate on the body of heater, moving grate, it is characterized in that: the in addition side of each fire grate is the sliding end that can do the breathing slippage for fire grate segment, and installation side compensation block, connector and sliding support successively on should fixed grate strutbeam of end; Wherein connector comprises orthogonal flat board and can be the slide block of guide rail and slippage thereon with the fire grate strutbeam, has on this slide block to encircle the evagination of the footpath that is embedded in fire grate segment in concaving; Sliding support is slidably, and mode is connected on the fixed grate strutbeam.Thereby make incineration furnace grate clearance constant, stable inlet air, and therefore the embedding of fitting, stopping foreign matter all the time with the side compensation block because of fire grate segment avoid burning short circuit, fire grate hot-spot also reduced the ordinary maintenance amount, improved firing efficiency and prolonged service life of incinerator.
Description
Technical field
The present invention relates to a kind of can preventing, particularly a kind ofly can compensate the expand with heat and contract with cold mechanical compensating mechanism of the incineration furnace grate that the fire grate gap that produced changes of fire grate segment automatically because of expanding with heat and contract with cold of incineration furnace grate sheet causes the heat expansion absorber that the furnace grate ventilation gap changes.
Background technology
As everyone knows, incinerator is when work, because of the difference that exists on temperature and the material between its fire grate segment and the body of heater framework causes the variation in fire grate gap, thereby change by the ventilation gap between the burning space of the admission space under the fire grate to the fire grate, cause ventilating inhomogeneous, burn degradation problem under insufficient, the efficiency of combustion, and increased difficulty to air intake air quantity and blast control.Therefore, be equipped with the heat expansion absorber that can prevent that the fire grate gap from changing on the existing incineration furnace grate, instrument promptly still can keep the constant compensation arrangement in fire grate gap in the expanding with heat and contract with cold of fire grate segment.The compensation arrangement of incineration furnace grate has following different structure at present:
1) compensation arrangement of self-absorption thermal expansion type: this device is that every fire grate segment is connected on the support separately, and has reserved the gap of fire grate segment thermal expansion in the junction of each fire grate segment.The shortcoming of this device is: its structure is comparatively complicated, and especially the design of support is relatively more difficult.
2) compensation arrangement of band spring: for example application number is 02111455.2 Chinese patent " domestic waste incineration ", it is provided with a cover side seal compensation arrangement on the width of fire grate, this device is that the fire grate gap that automatic compensation causes because of fire grate segment expands with heat and contract with cold by spring force changes, makes the ventilation gap of fire grate constant.But it also has following deficiency: when it is burnt away the refuse being used to, particularly without the letter sorting rubbish the time, because of being difficult to avoid occurring in the rubbish such as foreign material such as wedge, iron nail, steel balls, if in a single day these foreign material embed between fire grate and the side seal compensation arrangement, then will cause problems such as burning short circuit, fire grate segment hot-spot, spring at high temperature lost efficacy, directly have influence on the effect that compensation arrangement makes the furnace grate ventilation clearance constant, also cause the damage of assemblies such as fire grate segment, spring, the ordinary maintenance amount of increase incinerator simultaneously.
Summary of the invention
The present invention will overcome existing shortcoming in the above-mentioned prior art, a kind of mechanical compensating mechanism that can compensate the unsettled incineration furnace grate in incineration furnace grate gap that causes because of expanding with heat and contract with cold of fire grate segment is provided, and make it have simple and reasonable, can constant furnace grate ventilation area, can avoid the short circuit of stove internal combustion, thereby reduce characteristics such as the ordinary maintenance amount of incinerator and service life is long.
The mechanical compensating mechanism of incineration furnace grate of the present invention, it contains with interlace mode setting and one side and is fixed on one group of fixed grate strutbeam and one group of moving grate strutbeam on the body of heater, be connected on each fixed grate strutbeam to form one group of fixed grate film of a row fixed grate, be connected on each moving grate strutbeam to form one group of movable furnace grate plate of a row moving grate; It is characterized in that: the other end of each fixed grate strutbeam and moving grate strutbeam is to supply fire grate segment sliding end away from its stiff end slippage in thermal expansion, and turn left on the fixed grate strutbeam of this end wing furnace body direction installation side compensation block, connector and sliding support successively; Wherein connector comprises orthogonal two parts, vertical component is a clamped flat board that is fixed between side compensation block and the sliding support of energy, horizontal component is an energy with the fixed grate strutbeam is guide rail and slide block that can slippage on this fixed grate strutbeam, and have on the outer wall of slide block footpath that an energy ring is embedded in fire grate segment concave in so that the fire grate segment in the shrinkage can drive the evagination of side compensation block with the fire grate slippage by connector; Sliding support is slidably, and mode is connected on the fixed grate strutbeam.
The mechanical compensating mechanism of incineration furnace grate of the present invention, its side compensation block are tabular surface plates of being made by the heat resisting cast steel material.
Beneficial effect of the present invention: 1) but the present invention by having the both sides stiff end of incineration furnace grate strutbeam on body of heater now to make a side into be stiff end, another side sliding end for the outside slippage of fire grate of heat supply in expanding, and also with the mechanical compensating mechanism that is arranged on this end to fire grate segment the expand with heat and contract with cold compensation done move and eliminate the influence of expanding with heat and contract with cold the fire grate gap, thereby make the furnace grate ventilation constant area, Uniform Ventilation, burning fully also are convenient to the control to intake and blast; When 2) mechanical compensation that expands with heat and contract with cold at above-mentioned fire grate segment moves, no matter be that incinerator is by the hot cold conditions that transfers to, still cold conditions transfers to hot, side compensation block in the mechanical compensating mechanism all fits tightly with fire grate segment from start to finish, therefore stopped to treat that foreign matters such as wedge, iron nail, steel ball in the incinerated matter embed in it, got rid of the operating uncertain factor of incinerator, problem such as prevent from thoroughly to burn that short circuit, fire grate segment hot-spot, stove inner assembly were at high temperature lost efficacy reduces the ordinary maintenance amount of incinerator, firing efficiency improves and prolong the service life of incinerator; 3) the present invention improves continuing to use on existing incinerator furnace binding and every group of integrally-built basis of fire grate segment, and it is few that it is simple and reasonable, institute increases part, so will help to existing incinerator the particularly renewal of incinerator.
Description of drawings
Fig. 1 and Fig. 2 are the front view of the mechanical compensating mechanism of incineration furnace grate of the present invention, and wherein Fig. 1 is its state diagram under cold conditions, and Fig. 2 is the state diagram under hot;
Fig. 3 is that A among Fig. 1 or Fig. 2 is to view.
Label declaration among the figure: 1-fire grate segment; The 1a-fixed grate film; The 1b-movable furnace grate plate; 2-side compensation block; The 3-sliding support; The 4-connector; The 4a-flat board; The 4b-slide block; The 4c-evagination; 5-fixed grate strutbeam; 6-moving grate strutbeam; The body of heater of 7-band heat-insulation layer.
The specific embodiment
Embodiment,
The structure of existing incineration furnace grate can be consulted Fig. 1 or Fig. 2, Fig. 3, it comprise with interlace mode be arranged on the band heat-insulation layer body of heater 7 on fixed grate strutbeam 5, moving grate strutbeam 6, and on each fixed grate strutbeam 5, connect one group of fixed grate film 1a to form a row fixed grate, connect one group of movable furnace grate plate 1b to form a row moving grate (only representing with staggered two-stage fixed grate and two-stage moving grate) in Fig. 3 on each moving grate strutbeam 6, wherein moving grate also is connected by its moving grate strutbeam 6 and can makes its reciprocating member (this member fails to be represented in the drawings).No matter existing this incinerator is moving grate or fixed grate, and the two side ends by fixed grate strutbeam 5, moving grate strutbeam 6 is fixed on the body of heater of band heat-insulation layer 7 respectively.It is in when work, discarded object to be burned on the fire grate 1, burn the required gap of air between the fire grate segment on each fire grate and enter, be arranged on the fire grate discarded object to be burned the reciprocal rubbing of moving grate constantly roll stirrings, fully burn.
The structure of the mechanical compensating mechanism of present embodiment incineration furnace grate is to have continued to use fixed grate film in the above-mentioned existing incinerator and the structure of movable furnace grate plate, the overall structure of every group of fire grate segment, and (this stiff end is arranged on the right-hand member of the fire grate strutbeam among Fig. 1 or Fig. 2 in the present embodiment to keep the structure of the affixed stiff end of a side of each fire grate strutbeam and body of heater, represented because of the structure of this end stiff end is same as the prior art), with this stiff end as each the group fire grate segment in the thermal expansion slippage top or the terminal in the shrinkage slippage.Different is with the prior art: the mechanical compensating mechanism of present embodiment incineration furnace grate is with the sliding end of fire grate strutbeam, that is the left end of fire grate strutbeam changes the sliding end that can make fire grate segment do micro-slippage in heat expansion, shrinkage among Fig. 1 or Fig. 2.To the mechanical compensating mechanism of present embodiment incineration furnace grate be further described below below:
The mechanical compensating mechanism of present embodiment incineration furnace grate can be seen from Fig. 1 or Fig. 2 and Fig. 3, it contain with the interlace mode setting and with right-hand end be fixed on one group of fixed grate strutbeam 5 and one group of moving grate strutbeam 6 (in Fig. 1 or Fig. 2, this stiff end not being represented) on the body of heater, be connected on each fixed grate strutbeam 5 to form one group of fixed grate film 1a of a row fixed grate, be connected on each moving grate strutbeam 6 to form one group of movable furnace grate plate 1b of a row moving grate; The left-hand end of each row fire grate place fire grate strutbeam all is one and can does in heat expansion or shrinkage away from its stiff end or towards the sliding end of stiff end slippage for fire grate segment, and each fixed grate strutbeam on this sliding end from inside to outside, just installation side compensation block 2, connector 4 and sliding support 3 successively from right to left; Wherein connector comprises orthogonal two parts, its vertical component is a clamped dull and stereotyped 4a who is fixed between side compensation block 2 and the sliding support 3 of energy, its horizontal component is an energy with fixed grate strutbeam 5 is guide rail and slide block 4b that can slippage on this fire grate strutbeam, and have on the outer wall of slide block footpath that an energy ring is embedded in fire grate segment 1 concave in so that the fire grate segment in the shrinkage can drive the evagination 4c of side compensation blocks 2 with the fire grate slippage by connector 4; 3 of sliding supports are slidably, and mode is connected on the fixed grate strutbeam 5.
The incinerator that present embodiment fire grate mechanical compensating mechanism has been installed is when work, as fire grate segment 1 expanded by heating, then this row fire grate sliding end slippage on the left of fire grate immediately under the promotion of fire grate segment expansive force, also promoted simultaneously side compensation block 2 slippage left be close to fire grate, expanded until fire grate segment and finish, rest on the hot position of incinerator shown in Figure 2; When fire grate segment cools off, because fire grate segment integral body is shunk to the stiff end on fire grate right side, this contraction again by ring be embedded in the connector 4 on the fire grate segment 1 evagination 4c, spurred with it side compensation block 2 and sliding support 3 (direction at stiff end place just) slippage to the right by the dull and stereotyped 4a of connector 4, on the position of incinerator cold conditions shown in Figure 1 with the bolted one.In a word, present embodiment fire grate mechanical compensating mechanism passes through the variation of the slippage compensation of fire grate segment 1 when its heat expansion or shrinkage because of the caused fire grate of fire grate segment breathing gap, thereby guarantees the clearance constant of fire grate.Meanwhile, side compensation block 2 slippages that the fire grate segment in the heat expansion can be on being close to it, and the fire grate segment in the shrinkage too can be by the evagination 4c on the connector 4 with the fastening dull and stereotyped 4a slippage of side compensation block 2; That is to say, no matter incinerator enters hot or enters cold conditions, fire grate segment 1 all can be close to the embedding that being close between 2 slippages of side compensation block, fire grate segment 1 and the side compensation block 2 can effectively get rid of in the burning process as foreign material such as wedge, iron nail, steel balls, avoid burning short circuit, fire grate segment hot-spot, and other assembly problems such as inefficacy at high temperature in the stove, the ordinary maintenance amount minimizing of incinerator, the utilization rate of incinerator are improved, and prolong service life.
The mechanical compensating mechanism of present embodiment incineration furnace grate, its side compensation block 2 are tabular surface plates of being made by the heat resisting cast steel material.It is high temperature resistant, corrosion-resistant, wear-resistant, chemical damage does not take place and keeps higher mechanical properties again, under the acting in conjunction of the garbage leachate of PH≤4 and high-temperature acidic gas (as high concentration HCL, HF etc.) chemistry and electrochemical corrosion do not take place 850～950 ℃ temperature in its surface, and still has toughness preferably in the moving back and forth at high temperature.Confirm that through trial run the side compensation block of being made by the heat resisting cast steel material 2 can move reliably, and long service life in the complex environment of waste incineration.
Claims (2)
1, the mechanical compensating mechanism of incineration furnace grate, it contain with interlace mode setting and one side be fixed on one group of fixed grate strutbeam (5) and one group of moving grate strutbeam (6) on the body of heater, be connected on each fixed grate strutbeam to form one group of fixed grate film (1a) of a row fixed grate, be connected on each moving grate strutbeam to form one group of movable furnace grate plate (1b) of a row moving grate; It is characterized in that: the other end of each fixed grate strutbeam (5) and moving grate strutbeam (6) is to supply fire grate segment sliding end away from its stiff end slippage in thermal expansion, and turn left on the fixed grate strutbeam (5) of this end wing furnace body (7) direction installation side compensation block (2), connector (4) and sliding support (3) successively; Wherein connector (4) comprises orthogonal two parts, vertical component is a clamped flat board (4a) that is fixed between side compensating plate (2) and the sliding support (3) of energy, horizontal component is an energy with fixed grate strutbeam (5) is guide rail and slide block (4b) that can slippage on this fixed grate strutbeam, and has on the outer wall of slide block and can encircle the footpath that is embedded in fire grate segment (1) and drive the evagination (4c) of side compensation block (2) with the fire grate slippage so that the fire grate segment in the shrinkage can pass through connector (4) in concaving; Sliding support (3) is slidably, and mode is connected on the fixed grate strutbeam (5).
2, the mechanical compensating mechanism of incineration furnace grate according to claim 1 is characterized in that: said side compensation block (2) is a tabular surface plate of being made by the heat resisting cast steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101571984A CN100549523C (en) | 2007-11-28 | 2007-11-28 | The mechanical compensating mechanism of incineration furnace grate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101571984A CN100549523C (en) | 2007-11-28 | 2007-11-28 | The mechanical compensating mechanism of incineration furnace grate |
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| Publication Number | Publication Date |
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| CN101178179A CN101178179A (en) | 2008-05-14 |
| CN100549523C true CN100549523C (en) | 2009-10-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2007101571984A Active CN100549523C (en) | 2007-11-28 | 2007-11-28 | The mechanical compensating mechanism of incineration furnace grate |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011079444A1 (en) * | 2009-12-30 | 2011-07-07 | 深圳市能源环保有限公司 | Incinerator |
| WO2011079453A1 (en) * | 2009-12-31 | 2011-07-07 | 深圳市能源环保有限公司 | Incinerator |
| CN106524181A (en) * | 2016-12-31 | 2017-03-22 | 上海康恒环境股份有限公司 | Flat pushing type feeding device for incineration fire grate |
| CN109519933B (en) * | 2018-12-14 | 2023-11-21 | 杭州新世纪能源环保工程股份有限公司 | Thermal expansion slag discharging channel of garbage incinerator |
| CN111457390B (en) * | 2020-05-08 | 2024-05-10 | 杭州新世纪能源环保工程股份有限公司 | Detachable intermediate fixing and intermediate mechanical compensating device for multi-row solid waste incinerator |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000130735A (en) * | 1998-10-22 | 2000-05-12 | Hitachi Zosen Corp | Staircase slidable grate structure of refuse incinerator |
| CN1375656A (en) * | 2002-04-23 | 2002-10-23 | 屠柏锐 | Domestic refuse incinerator |
| CN2636095Y (en) * | 2003-05-07 | 2004-08-25 | 大庆开发区华泰有限公司 | Direct pushing type rolling grate |
| EP1493967A1 (en) * | 2003-07-03 | 2005-01-05 | VISSER & SMIT HANAB B.V. | Incineration system and bluff body therefor |
| JP2005114212A (en) * | 2003-10-06 | 2005-04-28 | Ishikawajima Harima Heavy Ind Co Ltd | Waste incinerator |
| CN201145279Y (en) * | 2007-11-28 | 2008-11-05 | 杭州新世纪能源环保工程股份有限公司 | Mechanical compensation apparatus of incinerator grate |
-
2007
- 2007-11-28 CN CNB2007101571984A patent/CN100549523C/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000130735A (en) * | 1998-10-22 | 2000-05-12 | Hitachi Zosen Corp | Staircase slidable grate structure of refuse incinerator |
| CN1375656A (en) * | 2002-04-23 | 2002-10-23 | 屠柏锐 | Domestic refuse incinerator |
| CN2636095Y (en) * | 2003-05-07 | 2004-08-25 | 大庆开发区华泰有限公司 | Direct pushing type rolling grate |
| EP1493967A1 (en) * | 2003-07-03 | 2005-01-05 | VISSER & SMIT HANAB B.V. | Incineration system and bluff body therefor |
| JP2005114212A (en) * | 2003-10-06 | 2005-04-28 | Ishikawajima Harima Heavy Ind Co Ltd | Waste incinerator |
| CN201145279Y (en) * | 2007-11-28 | 2008-11-05 | 杭州新世纪能源环保工程股份有限公司 | Mechanical compensation apparatus of incinerator grate |
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| CN101178179A (en) | 2008-05-14 |
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