CN109823775B - Head widening type belt conveyor and working method thereof - Google Patents
Head widening type belt conveyor and working method thereof Download PDFInfo
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- CN109823775B CN109823775B CN201910042701.4A CN201910042701A CN109823775B CN 109823775 B CN109823775 B CN 109823775B CN 201910042701 A CN201910042701 A CN 201910042701A CN 109823775 B CN109823775 B CN 109823775B
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- 238000000034 method Methods 0.000 title claims abstract description 13
- 239000000463 material Substances 0.000 claims abstract description 45
- 238000004519 manufacturing process Methods 0.000 description 3
- 241000251131 Sphyrna Species 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000010298 pulverizing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000013590 bulk material Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000003031 feeding effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
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- Structure Of Belt Conveyors (AREA)
Abstract
The invention relates to a head widening type belt conveyor and a working method thereof, wherein the head widening type belt conveyor comprises a conveying belt, a driving roller, a bend roller, a carrier roller and a belt bracket; the conveyor belt consists of a conveyor belt I and a conveyor belt II, and a belt bracket between the driving roller and the bend roller is provided with a middle roller; the first conveyer belt and the second conveyer belt are annular conveyer belts, wherein the first conveyer belt is wound on the direction changing drum and the driving drum, the second conveyer belt is wound on the middle drum and the driving drum, namely a double-layer belt structure is formed between the middle drum and the driving drum, and the first conveyer belt is positioned on the outer side of the second conveyer belt; the second conveying belt and the first conveying belt are coaxially arranged, and the bandwidth of the second conveying belt is larger than that of the first conveying belt; a material equalizer is arranged above the double-layer belt structure. The invention combines two conveyor belts with different bandwidths, widens the head width of the belt conveyor, and uniformly spreads the materials by utilizing the material homogenizing device, thereby realizing the purpose of uniformly feeding the pulverizer.
Description
Technical Field
The invention relates to the technical field of material conveying, in particular to a head widening type belt conveyor for uniform feeding of a pulverizer and a working method thereof.
Background
The pulverizer is a machine for pulverizing large-size solid raw materials to a required size, and the production capacity of the pulverizer is in direct proportional relation with parameters such as the length of a rotor, the rotating speed of the rotor and the like of the pulverizer. The belt conveyor is bulk material conveying and loading and unloading equipment, and the conveying capacity of the belt conveyor is in direct proportion to the square of the bandwidth. In the actual production process, when the pulverizer and the belt conveyor with the same processing capacity are matched, the length of the rotor of the pulverizer is larger than the bandwidth of the belt conveyor, so that scattered materials fall into the inlet of the pulverizer from the head of the belt conveyor and then intensively contact the middle part of the hammer of the pulverizer, and the problems of uneven utilization rate of the hammer head and reduction of the pulverizing efficiency occur. In addition, compared with the intensive contact of the middle part of the hammer head and materials, the utilization of the two sides of the hammer head is relatively less, so that the middle part of the wear rate of the hammer head is heavy, and the two sides of the wear rate of the hammer head are light, thereby increasing the equipment maintenance rate and reducing the service life of the hammer head.
The prior uniform feeding method of the pulverizer comprises the following steps: a chute connected with the conveyor and the pulverizer is provided with uniform material distribution equipment such as a distributor, a guide plate, a material flow plate and the like, and the purpose of uniform material distribution is realized by guiding and adjusting the trend of the material flow. However, this method has several problems: 1) For bulk materials with high viscosity, such as coal, blockage is easily generated by adding a material distributing device in a chute, and the smooth production is affected; 2) The adjustment and disturbance of the material flow generates a large amount of dust, which pollutes the operation environment; 3) The blanking process has higher speed and poorer uniform feeding effect.
Disclosure of Invention
The invention provides a head widening type belt conveyor and a working method thereof, wherein two conveyor belts with different bandwidths are combined, the head width of the belt conveyor is widened, and materials are uniformly spread by utilizing a material uniformly device, so that the purpose of uniformly feeding materials to a pulverizer is realized.
In order to achieve the above purpose, the invention is realized by adopting the following technical scheme:
a head widening type belt conveyor comprises a conveying belt, a driving roller, a bend roller, a carrier roller and a belt bracket; the driving roller, the bend roller and the carrier roller are all arranged on the belt bracket; the driving roller is arranged at the head part of the belt conveyor along the material conveying direction, and the direction-changing roller is arranged at the tail part of the belt conveyor; the conveyor belt consists of a first conveyor belt and a second conveyor belt, and a belt bracket between the driving roller and the bend roller is provided with a middle roller; the first conveyer belt and the second conveyer belt are annular conveyer belts, wherein the first conveyer belt is wound on the direction changing drum and the driving drum, the second conveyer belt is wound on the middle drum and the driving drum, namely a double-layer belt structure is formed between the middle drum and the driving drum, and the first conveyer belt is positioned on the outer side of the second conveyer belt; the second conveying belt and the first conveying belt are coaxially arranged, and the bandwidth of the second conveying belt is larger than that of the first conveying belt; a material equalizer is arranged above the double-layer belt structure.
The belt bracket consists of a headstock, a tailstock, a middle frame, a roller frame and supporting legs, wherein the headstock is connected with the middle frame and the middle frame is connected with the tailstock through the roller frame, and the bottom of the roller frame is provided with a plurality of supporting legs; the driving roller is arranged on the headstock, the middle roller is arranged on the middle frame, the direction-changing roller is arranged on the tailstock, and the carrier rollers are arranged on the carrier roller frame.
The working method of the head widening type belt conveyor comprises the following steps: after the bulk materials are discharged to the tail part of the belt conveyor, the bulk materials are carried by a first conveying belt and run to a middle roller, and then are carried by a double-layer belt consisting of the first conveying belt and a second conveying belt; after the width of the material flow is enlarged through the material equalizer, the material which is expanded to the outer side of the conveying belt I is independently borne by the conveying belt II, and the material is uniformly scattered to the inlet of the pulverizer after being conveyed to the driving roller.
Compared with the prior art, the invention has the beneficial effects that:
1) The belt is adopted for conveying, so that the filling phenomenon can not occur;
2) The conveying capacity of the first conveying belt is matched with the crushing capacity of the crusher, and the second conveying belt bears and spreads the material which extends to the outer side of the first conveying belt, namely, the material can be uniformly fed into the crusher only by widening the head of the belt conveyor;
3) The first conveyor belt and the second conveyor belt are driven by the same driving roller, so that the synchronism is good;
4) Simple structure, the in-service use is effectual, is favorable to improving rubbing crusher's utilization ratio and life.
Drawings
Fig. 1 is a schematic perspective view of a head-widening type belt conveyor according to the present invention.
Fig. 2 is a front view of fig. 1.
Fig. 3 is a top view of fig. 1.
Fig. 4 is a schematic diagram showing the arrangement relationship of the first conveyor belt and the second conveyor belt.
Fig. 5 is a top view of fig. 4.
In the figure: 1. conveyor one 2, conveyor two 3, bend pulley 4, tail stock 5, intermediate stock 6, idler pulley 7, support leg 8, intermediate pulley 9, idler pulley stand 10, equalizer 11, drive pulley 12, head stock 13, drive device
Detailed Description
The following is a further description of embodiments of the invention, taken in conjunction with the accompanying drawings:
as shown in fig. 1 to 3, the head widening type belt conveyor of the present invention comprises conveyor belts 1, 2, a driving roller 11, a direction-changing roller 3, a carrier roller 6 and a belt bracket; the driving roller 11, the bend roller 3 and the carrier roller 6 are all arranged on the belt bracket; along the material conveying direction, the driving roller 11 is arranged at the head part of the belt conveyor, and the direction-changing roller 3 is arranged at the tail part of the belt conveyor; the conveyor belt consists of a conveyor belt I and a conveyor belt II, wherein a belt bracket between a driving roller 11 and a bend roller 3 is provided with a middle roller 8; the first conveyer belt 1 and the second conveyer belt 2 are annular conveyer belts, wherein the first conveyer belt 1 is wound on the bend roller 3 and the driving roller 11, the second conveyer belt 2 is wound on the middle roller 8 and the driving roller 11, namely a double-layer belt structure is formed between the middle roller 8 and the driving roller 11, and the first conveyer belt 1 is positioned at the outer side of the second conveyer belt 2; the second conveyor belt 2 and the first conveyor belt 1 are coaxially arranged, and the bandwidth of the second conveyor belt 2 is larger than that of the first conveyor belt 1; a homogenizer 10 is arranged above the double-layer belt structure.
The belt bracket consists of a headstock 12, a tailstock 4, a middle frame 5, a roller frame 9 and supporting legs 7, wherein the headstock 12 is connected with the middle frame 5, and the middle frame 5 is connected with the tailstock 4 through the roller frame 9, and a plurality of supporting legs 7 are arranged at the bottom of the roller frame 9; the drive roller 11 is mounted on the headstock 12, the intermediate roller 8 is mounted on the intermediate frame 5, the direction-changing roller 3 is mounted on the tailstock 4, and the plurality of carrier rollers 6 are mounted on the carrier roller frame 9.
The working method of the head widening type belt conveyor comprises the following steps: after the bulk materials are discharged to the tail part of the belt conveyor, the bulk materials are carried by a first conveying belt 1 and run to a middle roller 8, and then are carried by a double-layer belt consisting of a first conveying belt 1 and a second conveying belt 2; after the width of the material flow is enlarged by the material equalizer 10, the material expanded to the outer side of the first conveyor belt 1 is independently carried by the second conveyor belt 2, and the material is uniformly scattered to the inlet of the pulverizer after being conveyed to the driving roller 11.
The bandwidth of the second conveying belt 2 is larger than that of the first conveying belt 1; the sizes of the bend pulley 3, the tail frame 4, the carrier roller frame 9 between the bend pulley and the middle frame, the carrier roller 6 and the supporting legs 7 are matched with the bandwidth of the conveyer belt 1; the sizes of the middle roller 8, the middle frame 5, the driving roller 11, the headstock 12 and the carrier roller frame 9, the carrier roller 6 and the supporting legs 7 between the middle roller and the driving roller are matched with the bandwidths of the two conveyor belts 2.
As shown in fig. 4-5, the second conveyor belt 2 is an annular conveyor belt with two closed ends, and two ends of the second conveyor belt 2 are respectively sleeved on the middle roller 8 and the driving roller 11. The conveyer belt 1 is also an annular conveyer belt with two closed ends, and the two ends of the conveyer belt 1 are respectively sleeved on the bend roller 3 and the driving roller 11. The driving roller 11 is sleeved with a second conveyer belt 2 and then a first conveyer belt 1.
The driving roller 11 is driven to rotate by the driving device 13, meanwhile, the direction changing roller 3 is driven to rotate through the first conveying belt 1, the middle roller 8 is driven to rotate through the second conveying belt 2, and continuous synchronous conveying of the first conveying belt 1 and the second conveying belt 2 is achieved. The upper part of the common bearing section of the conveyor belt I and the conveyor belt II is suspended with a homogenizer 10, which is used for reducing the height of a material layer, increasing the width of the material layer and realizing the uniform distribution of the material layer. The scattered materials after being uniformly distributed are in full contact with the hammerhead of the pulverizer, the abrasion of the middle part and the two ends of the hammerhead is kept consistent, and the abrasion speed is reduced, so that the service life of the pulverizer is prolonged, and the maintenance period is prolonged.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (2)
1. The working method of the head widening type belt conveyor comprises the steps of conveying a belt, a driving roller, a bend roller, a carrier roller and a belt bracket; the driving roller, the bend roller and the carrier roller are all arranged on the belt bracket; the driving roller is arranged at the head part of the belt conveyor along the material conveying direction, and the direction-changing roller is arranged at the tail part of the belt conveyor; the conveyor belt is characterized by comprising a first conveyor belt and a second conveyor belt, wherein an intermediate roller is arranged on a belt bracket between a driving roller and a bend roller; the first conveyer belt and the second conveyer belt are annular conveyer belts, wherein the first conveyer belt is wound on the direction changing drum and the driving drum, the second conveyer belt is wound on the middle drum and the driving drum, namely a double-layer belt structure is formed between the middle drum and the driving drum, and the first conveyer belt is positioned on the outer side of the second conveyer belt; the second conveying belt and the first conveying belt are coaxially arranged, and the bandwidth of the second conveying belt is larger than that of the first conveying belt; a material equalizer is arranged above the double-layer belt structure;
the working method of the head widening type belt conveyor comprises the following steps: after the bulk materials are discharged to the tail part of the belt conveyor, the bulk materials are carried by a first conveying belt and run to a middle roller, and then are carried by a double-layer belt consisting of the first conveying belt and a second conveying belt; after the width of the material flow is enlarged through the material equalizer, the material which is expanded to the outer side of the conveying belt I is independently borne by the conveying belt II, and the material is uniformly scattered to the inlet of the pulverizer after being conveyed to the driving roller.
2. The working method of the head widening type belt conveyor as claimed in claim 1, wherein the belt bracket comprises a headstock, a tailstock, a middle frame, a roller frame and supporting legs, wherein the headstock is connected with the middle frame and the middle frame is connected with the tailstock through the roller frame, and a plurality of supporting legs are arranged at the bottom of the roller frame; the driving roller is arranged on the headstock, the middle roller is arranged on the middle frame, the direction-changing roller is arranged on the tailstock, and the carrier rollers are arranged on the carrier roller frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910042701.4A CN109823775B (en) | 2019-01-17 | 2019-01-17 | Head widening type belt conveyor and working method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910042701.4A CN109823775B (en) | 2019-01-17 | 2019-01-17 | Head widening type belt conveyor and working method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109823775A CN109823775A (en) | 2019-05-31 |
| CN109823775B true CN109823775B (en) | 2024-03-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910042701.4A Active CN109823775B (en) | 2019-01-17 | 2019-01-17 | Head widening type belt conveyor and working method thereof |
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| Country | Link |
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| CN (1) | CN109823775B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0252817A (en) * | 1988-08-12 | 1990-02-22 | Kawasaki Seisakusho:Kk | Belt conveyor |
| KR20030052145A (en) * | 2001-12-20 | 2003-06-26 | 주식회사 포스코 | An apparatus for preventing belt convetor from slipping |
| JP2010159125A (en) * | 2009-01-08 | 2010-07-22 | Taguchi Kogyo Kk | Belt conveyor device |
| CN102092555A (en) * | 2010-12-01 | 2011-06-15 | 宁夏天地西北煤机有限公司 | Symport bilayer belt conveyer |
| KR20120066562A (en) * | 2010-12-14 | 2012-06-22 | 주식회사 태성기연 | Apparatus for transferring of glass panel |
| CN202729096U (en) * | 2012-07-30 | 2013-02-13 | 沃祖成 | Dip angle belt conveyor with guiding idlers |
| CN207390222U (en) * | 2017-07-10 | 2018-05-22 | 山东银鹰炊事机械有限公司 | A kind of conveyer belt intermittent delivery mechanism |
| CN209635222U (en) * | 2019-01-17 | 2019-11-15 | 中冶焦耐(大连)工程技术有限公司 | A kind of flared crossing belt conveyor in head |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BR102012002021A2 (en) * | 2012-01-30 | 2013-11-12 | Hamilton Da Penha Lage Silva | TRANSFORMABLE, SELF-TRACKING, CONCAVABLE BELT BELT CARRIER |
-
2019
- 2019-01-17 CN CN201910042701.4A patent/CN109823775B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0252817A (en) * | 1988-08-12 | 1990-02-22 | Kawasaki Seisakusho:Kk | Belt conveyor |
| KR20030052145A (en) * | 2001-12-20 | 2003-06-26 | 주식회사 포스코 | An apparatus for preventing belt convetor from slipping |
| JP2010159125A (en) * | 2009-01-08 | 2010-07-22 | Taguchi Kogyo Kk | Belt conveyor device |
| CN102092555A (en) * | 2010-12-01 | 2011-06-15 | 宁夏天地西北煤机有限公司 | Symport bilayer belt conveyer |
| KR20120066562A (en) * | 2010-12-14 | 2012-06-22 | 주식회사 태성기연 | Apparatus for transferring of glass panel |
| CN202729096U (en) * | 2012-07-30 | 2013-02-13 | 沃祖成 | Dip angle belt conveyor with guiding idlers |
| CN207390222U (en) * | 2017-07-10 | 2018-05-22 | 山东银鹰炊事机械有限公司 | A kind of conveyer belt intermittent delivery mechanism |
| CN209635222U (en) * | 2019-01-17 | 2019-11-15 | 中冶焦耐(大连)工程技术有限公司 | A kind of flared crossing belt conveyor in head |
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| Publication number | Publication date |
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| CN109823775A (en) | 2019-05-31 |
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