CN101231145A - High-efficiency low-leaking low-abrasion inflating beam grid cold machine - Google Patents
High-efficiency low-leaking low-abrasion inflating beam grid cold machine Download PDFInfo
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- CN101231145A CN101231145A CNA2008100185464A CN200810018546A CN101231145A CN 101231145 A CN101231145 A CN 101231145A CN A2008100185464 A CNA2008100185464 A CN A2008100185464A CN 200810018546 A CN200810018546 A CN 200810018546A CN 101231145 A CN101231145 A CN 101231145A
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Abstract
The invention relates to an inflated beam grate cooler with the advantages of high efficiency, low material leakage and low abrasion, and belongs to cement manufacture equipment and comprises a shell 4, one end of which is a feed end, and the other end is a discharge end. The invention is characterized in that a grate bed 5 which is composed of a fixed step type grate bed 1 and inflation type fixed grate plate beams 2 and inflation type moveable grate plate beams 3 is arranged between the feed end and the discharge end of the shell 4, wherein, the fixed step type grate bed 1 is arranged in the feed end, the inflation type fixed grate plate beams 2 and the inflation type moveable grate plate beams 3 are arranged between the fixed step type grate bed 1 and the discharge end, and at least two inflation type fixed grate plate beams 2 are arranged between two adjacent inflation type moveable grate plate beams 3. Grate plates for carrying material are arranged on the inflation type fixed grate plate beams 2 and the inflation type moveable grate plate beams 3, and an included angle of the central surface and the horizontal plane of the grate bed 5 is from one to seven DEG. The invention has the advantages of simple structure, energy conservation and durability.
Description
Technical field
The present invention relates to a kind of cement equipment, the especially a kind of clinker cooler of cooling fast, specifically a kind of high-efficiency low-leaking low-abrasion inflating beam cooling machine of making.
Background technology
At present, well-known, in manufacture of cement, the cooling velocity of high temperature chamotte is one of key measure that influences the cement quality.In order to realize the quick cooling of high temperature chamotte, existing high temperature chamotte cooling device all adopts the comb bed structure, the on the one hand mobile promotion grog reach by the bed of combing is forced blowing by the air port on the bed of combing to grog is inner in the bottom of the bed of combing simultaneously, realizes cooling fast.There is following problem in this comb bed, and the one, complex structure, the motion control of the bed of combing need consume lot of energy, so energy consumption is big; The 2nd, because activity grate plate and fixedly grate plate installation at interval, the quantity of activity grate plate reaches half of grate plate sum, and owing to be subjected to the influence of grog high temperature, grate plate very easily wearing and tearing in moving process, therefore all must regularly replace grate plate every year, cause maintenance cost high.
Summary of the invention
The grate plate that the objective of the invention is to exist at existing cement furnace grog cooling device is worn and torn big, and maintenance load is big, and the problem that operating cost is high designs a kind of high-efficiency low-leaking low-abrasion inflating beam cooling machine.
Technical scheme of the present invention is:
A kind of high-efficiency low-leaking low-abrasion inflating beam cooling machine, comprise housing 4, one end of housing 4 is a feed end, the other end is a discharge end, it is characterized in that between the feed end of housing 4 and discharge end, being equipped with by the fixed step formula bed 1 of combing, inflatable is the comb bed 5 formed of comb board roof beam 2 and aerated movable comb board roof beam 3 fixedly, wherein fixed step formula comb bed 1 is installed in the feed end, inflatable fixedly comb board roof beam 2 and aerated movable comb board roof beam 3 is combed between bed 1 and the discharge end in the fixed step formula, and fixedly comb board roof beam 2 of two inflatables is installed between two adjacent aerated movable comb board roof beams 3 at least, and described inflatable fixedly all is equipped with the material containing grate plate on comb board roof beam 2 and the aerated movable comb board roof beam 3; The median plane of comb bed 5 and the angle of horizontal plane are 1～7 degree.
The inflatable of installing between described adjacent two aerated movable comb board roof beams 3 fixedly comb board roof beam 2 quantity be two, more than three or three.
The grate plate that described inflatable is fixedly installed on comb board roof beam 2 and the aerated movable comb board roof beam 3 is the high-drag grate plate, and its flowing resistance is consistent with the flowing resistance of the bed of material.
The present invention has the following advantages:
1, cooling machine comb bed of the present invention is by the ladder comb board roof beam of feed end, and middle fixedly comb board roof beam and movable comb board roof beam are formed.Two rows are comb board roof beam and the alternately arrangement of the movable comb board roof beam of a row fixedly, because movable comb board roof beam reduces, greatly reduces the wearing and tearing of grate plate, has improved the running rate of cooling machine, has reduced maintenance cost.It is nearly 1/3rd that the activity grate plate of every cooling machine reduces, that is to say annual every stove only the maintenance cost of grate plate just can save about 200,000 yuan.Suppose the whole nation 1500 in cooling machine of all rotary kilns, the then annual whole nation can be saved ten thousand yuan of maintenance cost 20 * 1500=30000 and promptly be saved 3 hundred million of RMB.
2, cooling machine of the present invention is owing to adopted the high-drag grate plate, and the resistance of grate plate is suitable with the resistance of the bed of material, and it is inhomogeneous effectively to eliminate the air feed that bed of material thickness thickness causes like this.The wind speed of the air outlet of grate plate reaches 40m/s when above, and the fluctuation of the bed of material is little to the ventilation influence, can effectively guarantee the stable of air feed system like this.
3, because comb of the present invention bed adopts walking beam of two built-in beams alternately to arrange, movable part reduces, the material that drains in the air compartment also reduces greatly, can reduce the load that leaks the material machine for zipper like this, improve its running rate, reduce parts wear, save maintenance cost.
4, cooling machine comb bed of the present invention is skewed layout, and the transfer efficiency of material is improved, and has reduced SR, can effectively prolong the service life of equipment, reduces use cost.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the structural representation of the bed of combing of the present invention.
The specific embodiment
The present invention is further illustrated for following structure drawings and Examples.
As shown in Figure 1, 2.
A kind of high-efficiency low-leaking low-abrasion inflating beam cooling machine, comprise housing 4, the chain proscenia, disintegrating machine, one end of housing 4 is a feed end, the other end is a discharge end, chain proscenia (metal bracelet by a series of vertical hangings is formed) is installed on the discharge end of housing 4, to prevent that the grog that the machine that is broken is pulverized from returning the refractory material that impacts in the housing 4, disintegrating machine is installed in the discharge end place of housing 4 and is linked to be an integral body with housing 4, its underpart is equipped with discharge bucket, as shown in Figure 1, in the discharge end of housing 4, be provided with the tilting conveyer belt of forming by grid section, the grog of small particle diameter can directly fall on the conveyer belt through the space in the middle of the grid section, the grog of big particle diameter is then sent into disintegrating machine through grid section, and this disintegrating machine can adopt the T-shaped hammer mill of tup, and the T shape tup on this crusher rotor is a cross arrangement on every Tuesdays.As shown in Figure 1.
End at housing 4 is a feed end, the other end is a discharge end, the bed 5 of combing wherein is installed, housing 4 and the comb bed of wherein installing 5 tilt to be installed in that (inclination angle can be chosen on the ground between the 1-7 degree, angle among Fig. 1 is about about 3 degree, ground can be made skewed during concrete enforcement, when output is 400 ton hours, its inclination angle can be 3 degree, also ground can be made horizontal, and with an end bed hedgehopping of housing, should consider integral rigidity this moment), comb bed 5 by fixed step formula comb bed 1, inflatable fixedly comb board roof beam 2 and aerated movable comb board roof beam 3 is formed, wherein fixed step formula comb bed 1 is installed in the feed end of housing 4, inflatable fixedly comb board roof beam 2 and aerated movable comb board roof beam 3 is combed between bed 1 and the discharge end in the fixed step formula, and fixedly comb board roof beam 2 of two (also can be more than three or three) inflatables is installed between two adjacent aerated movable comb board roof beams 3, and described inflatable fixedly all is equipped with the material containing grate plate on comb board roof beam 2 and the aerated movable comb board roof beam 3; The median plane of comb bed 5 and the angle of horizontal plane are 1～7 degree.On the top of described step comb bed 1 air bubble cooling pay-off (it mainly is made up of energy storage bag and air pump) is installed also; Be provided with some cooling air compartments in described bottom of combing bed 5, the quantity of cooling air compartment can be calculated definite according to output, and this cooling air compartment links to each other with blower fan by airduct.On the housing 4 on bed 5 tops of combing, also should be provided with the waste heat recovery air port, be provided with lingering remnants of past customs mouth near on the housing 4 of discharge end.
Grate plate of the present invention can adopt the high-drag grate plate, and its flowing resistance is consistent with the flowing resistance of the bed of material.
In addition, also can in air compartment, install pressure measurement, temperature measuring equipment and they are linked to each other with display instrument, make things convenient for the observation of pressure and temperature.Change regulation and control system hydraulic cylinder driving velocity by pressure (pressure changes directly, and the reflection thickness of feed layer changes), thus the control thickness of feed layer.In addition, also can install temperature measuring equipment additional in the bottom of grate plate, preventing the overheated scaling loss of grate plate, this this all can adopt prior art to be realized.
The course of work of the present invention is:
The high temperature chamotte that flows out from rotary kiln directly drops on step on the feed end bed of combing by the charging aperture of comb material machine and goes up and constantly travel forward under the air blast of air bubble explosion type.High temperature chamotte ceaselessly carries out heat exchange with the cold air that sees through grate plate between whole moving period, a heated hot-air part enters in the rotary kiln as the secondary wind of stove, a part enters in the dore furnace as tertiary air, some enters in coal mill and the Vertical Mill, and it is made part and is discharged by exhaust outlet.Cooled grog is transported to discharge end, wherein directly fall into conveyer less than the space between 30 millimeters the grid section of grog from conveyer belt, enter the discharge bucket that falls into the bottom after the crusher in crushing greater than 30 millimeters grogs and enter conveyer, the part grog that fragmentation advances to be driven in the housing 4 falls on the conveyer belt under the stopping of the chain proscenia that hangs once more, in order to avoid wound the refractory material in the housing.
Low-leaking low-abrasion cooling machine of the present invention is at third generation inflating beam grid cold machine innovative product, its feed end is formed staged comb bed by the fixed aerating grate plate beam 1 of plurality of rows, and then inflatable fixedly comb board roof beam 2 be staggered with aerated movable comb board roof beam 3, and putting in order is the fixedly fixing comb board roof beam-1 inflatable and exhaust formula activity comb board roof beams of comb board roof beam-1 inflatable and exhaust formula activity comb board roof beam-2 inflatable and exhaust formula of 2 inflatable and exhaust formulas, rearranges the cooling machine bed 5 of combing by that analogy.Whole comb bed 5 is arranged horizontal by 1～7 degree (normally being 3～6 degree) angle.
Hot grog unloads from kilneye and falls on the bed 5 of combing, and is distributed along bed 5 total lengths of combing, and forms certain thickness material bed, and cooling air upwards is blown in the material bed of material from material bed below, and the infiltration diffusion is cooled off hot grog.Cooling air behind the cooling grog becomes hot blast, and the hot junction high-temperature hot-air is gone into kiln and dore furnace (nsp kiln system) as combustion air, and the part hot blast also can be made the usefulness of oven dry.The hot blast utilization can reach recuperation of heat, thereby reduces the purpose of system's hear rate; Unnecessary hot blast will enter atmosphere after will handling through gathering dust.Cooled fritter grog process grizzly falls into the conveyer behind the cooling machine; Then process is broken, the cooling back imports in the conveyer again for the bulk grog; Few particulate grog and dust leak down to enter aggregate bin by the comb seam and the comb hole of the bed of combing, when material level reach a certain height in the bucket, air valve by material level sensor-based system control is opened automatically, and the fines that leaks down just enters in the leakage material machine for zipper under the machine and is transferred away.When the fines in the bucket still can be sealed the air valve door, valve plate was promptly closed and is guaranteed can not leak out.
In addition, cooling machine of the present invention has adopted the high-drag grate plate, and the resistance of grate plate is suitable with the resistance of the bed of material, and it is inhomogeneous effectively to eliminate the air feed that bed of material thickness thickness causes like this.The wind speed of the air outlet of grate plate reaches 40m/s when above, and the fluctuation of the bed of material is little to the ventilation influence, can effectively guarantee the stable of air feed system like this.
In addition, the present invention do not relate to as devices such as the peep hole on the type of drive of movable comb board roof beam and structure, the casing, oil filler point, man-hole opening, illuminations all and prior art, all the other parts that do not relate to also all may adopt prior art to be realized.
Claims (3)
1. high-efficiency low-leaking low-abrasion inflating beam cooling machine, comprise housing (4), one end of housing (4) is a feed end, the other end is a discharge end, it is characterized in that between the feed end of housing (4) and discharge end, being equipped with by the fixed step formula bed (1) of combing, inflatable is the comb bed (5) formed of comb board roof beam (2) and aerated movable comb board roof beam (3) fixedly, wherein fixed step formula comb bed (1) is installed in the feed end, inflatable fixedly comb board roof beam (2) and aerated movable comb board roof beam (3) is positioned at the fixed step formula and combs between bed (1) and the discharge end, and fixedly comb board roof beam (2) of two inflatables is installed between adjacent two aerated movable comb board roof beams (3) at least, and described inflatable fixedly all is equipped with the material containing grate plate on comb board roof beam (2) and the aerated movable comb board roof beam (3); The median plane of comb bed (5) and the angle of horizontal plane are 1～7 degree.
2. high-efficiency low-leaking low-abrasion inflating beam cooling machine according to claim 1, it is characterized in that the inflatable installed between described adjacent two aerated movable comb board roof beams (3) fixedly comb board roof beam (2) quantity be two, more than three or three.
3. high-efficiency low-leaking low-abrasion inflating beam cooling machine according to claim 1, it is characterized in that described inflatable fixedly comb board roof beam (2) and aerated movable comb board roof beam (3) to go up the grate plate of installing be the high-drag grate plate, its flowing resistance is consistent with the flowing resistance of the bed of material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100185464A CN101231145A (en) | 2008-02-26 | 2008-02-26 | High-efficiency low-leaking low-abrasion inflating beam grid cold machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100185464A CN101231145A (en) | 2008-02-26 | 2008-02-26 | High-efficiency low-leaking low-abrasion inflating beam grid cold machine |
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| CN101231145A true CN101231145A (en) | 2008-07-30 |
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| CNA2008100185464A Pending CN101231145A (en) | 2008-02-26 | 2008-02-26 | High-efficiency low-leaking low-abrasion inflating beam grid cold machine |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103629941A (en) * | 2013-09-13 | 2014-03-12 | 葛洲坝宜城水泥有限公司 | Grate cooler used on cement production line and provided with automatic grate conveying speed regulating device |
| CN107677135A (en) * | 2017-11-10 | 2018-02-09 | 胡锡文 | Clinker adverse current low-resistance cooler |
| CN110081723A (en) * | 2019-04-25 | 2019-08-02 | 山东山大华特环保工程有限公司 | Sinter vertical multi-return cooling tower Exposure degree electricity generation system and its method |
| CN110668719A (en) * | 2019-11-14 | 2020-01-10 | 天津水泥工业设计研究院有限公司 | Vertical cement clinker grate type particle grading cooler and cooling method |
| CN111174589A (en) * | 2020-02-28 | 2020-05-19 | 天瑞集团南召水泥有限公司 | Grate cooler with high heat recovery efficiency |
-
2008
- 2008-02-26 CN CNA2008100185464A patent/CN101231145A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103629941A (en) * | 2013-09-13 | 2014-03-12 | 葛洲坝宜城水泥有限公司 | Grate cooler used on cement production line and provided with automatic grate conveying speed regulating device |
| CN107677135A (en) * | 2017-11-10 | 2018-02-09 | 胡锡文 | Clinker adverse current low-resistance cooler |
| CN107677135B (en) * | 2017-11-10 | 2023-09-08 | 胡锡文 | Counter-flow low-resistance cement clinker cooler |
| CN110081723A (en) * | 2019-04-25 | 2019-08-02 | 山东山大华特环保工程有限公司 | Sinter vertical multi-return cooling tower Exposure degree electricity generation system and its method |
| CN110668719A (en) * | 2019-11-14 | 2020-01-10 | 天津水泥工业设计研究院有限公司 | Vertical cement clinker grate type particle grading cooler and cooling method |
| CN110668719B (en) * | 2019-11-14 | 2024-02-23 | 天津水泥工业设计研究院有限公司 | Vertical cement clinker grate type particle grading cooler and cooling method |
| CN111174589A (en) * | 2020-02-28 | 2020-05-19 | 天瑞集团南召水泥有限公司 | Grate cooler with high heat recovery efficiency |
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Open date: 20080730 |