CN101451787B - Scraper guide groove at tail of sintering machine - Google Patents
Scraper guide groove at tail of sintering machine Download PDFInfo
- Publication number
- CN101451787B CN101451787B CN2007101148951A CN200710114895A CN101451787B CN 101451787 B CN101451787 B CN 101451787B CN 2007101148951 A CN2007101148951 A CN 2007101148951A CN 200710114895 A CN200710114895 A CN 200710114895A CN 101451787 B CN101451787 B CN 101451787B
- Authority
- CN
- China
- Prior art keywords
- guide groove
- dam
- sintering
- lining board
- scraper
- Prior art date
- 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.)
- Active
Links
- 238000005245 sintering Methods 0.000 title claims abstract description 42
- 238000003466 welding Methods 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 claims abstract description 13
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 11
- 239000010959 steel Substances 0.000 claims abstract description 11
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 23
- 239000011707 mineral Substances 0.000 claims description 23
- 239000002245 particle Substances 0.000 claims description 11
- 239000000956 alloy Substances 0.000 claims description 9
- 229910052751 metal Inorganic materials 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 9
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 4
- 150000002910 rare earth metals Chemical class 0.000 claims description 4
- 238000009826 distribution Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 13
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000000903 blocking effect Effects 0.000 abstract 4
- 239000002131 composite material Substances 0.000 abstract 1
- 230000003116 impacting effect Effects 0.000 abstract 1
- 238000007689 inspection Methods 0.000 abstract 1
- 238000003860 storage Methods 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 229910000599 Cr alloy Inorganic materials 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 4
- 230000000712 assembly Effects 0.000 description 4
- 238000000429 assembly Methods 0.000 description 4
- 239000000788 chromium alloy Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 3
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 229910052700 potassium Inorganic materials 0.000 description 2
- 239000011591 potassium Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 229910000636 Ce alloy Inorganic materials 0.000 description 1
- 229910052777 Praseodymium Inorganic materials 0.000 description 1
- PPWPWBNSKBDSPK-UHFFFAOYSA-N [B].[C] Chemical compound [B].[C] PPWPWBNSKBDSPK-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000003082 abrasive agent Substances 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- PUDIUYLPXJFUGB-UHFFFAOYSA-N praseodymium atom Chemical compound [Pr] PUDIUYLPXJFUGB-UHFFFAOYSA-N 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 1
Images
Landscapes
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention relates to a scraper guide groove at the tail of a sintering machine, which is provided with a support frame, a scraper, a back lining board, a bottom lining board and a side lining board which are arranged on the support frame, and blocking dams for sintering mine materials arranged at the downside of the upper bottom lining board and in the side lining board of the support frame; wherein the whole guide groove is an open box structure; the back lining board, a bottom lining board and a side lining board are bimetal composite wear-resistant steel plates; the blocking dams for sintering mine materials are constituted by combining a plurality of dam block components; the dam block is a combined wearing layer build-up welding structure; and the dam block components are fixed on a bracket by the dam block through bolts and mounted and fixed on the support frame in section to form the blocking dams for sintering mine materials. The whole scraper guide groove is manufactured by a build-up welding technique; the sintering ores from trolley firstly fill the trough of the scraper guide groove, and the following ores directly fall on the charge level of materials storage trough to partially absorb impacting energy. The invention is characterized by rational structure, sectional manufacturing of blocking dam, integrated assembling, convenient inspection or exchanging, and long service life.
Description
Technical field
The present invention relates to a kind of SINTERING PRODUCTION equipment, specifically a kind of scraper guide groove at tail of sintering machine.
Background technology
We know that in recent years, China's iron and steel output speedup is swift and violent, and the equipment trend maximizes.Sintering is that iron and steel is produced the preceding operation of indispensable iron, and sintering machine tail equipment service condition is abominable, and a large amount of red-hot sintering deposits enter ring cold (or being with cold) workshop section by tail.Tail equipment mainly is made up of three parts---scraper guide groove, thermal crusher and hot ore deposit chute.What wherein, play the Core Feature effect is thermal crusher.Sintering deposit is crushed to the desired size of blast furnace ironmaking through thermal crusher.Scraper guide groove is the transition member that connects pallet and thermal crusher, forms a connecting link, and is in the worst position of tail equipment working condition.Blanking height between chassis and the scraper guide groove generally all is greater than 2 meters, and scraper guide groove bears very big ballistic work on the one hand, and a large amount of on the other hand high temperature (800-1000 ℃) mineral aggregate is that carrier current is to thermal crusher with it.Therefore, the residing condition of work of scraper guide groove is to follow the high temperature abrasive particle wear-out of impact process.
Near international most advanced level, but manufacture level is on the low side at the principle design aspect of large scale sintering production line in China.Causing homemade sintered production line operating cost main reason of high is that wear-resistant life-span of critical component is low, the repair rate height.In this respect, the performance of scraper guide groove is particularly outstanding, and the general time between overhauls(TBO) is no more than 60 days.Scraper guide groove is that scraper, backer board, bottom lining plate and side plate are installed on the body supports frame in the prior art, forms the slot type structure that the bottom surface tilts, so that the sintering deposit materials flow is moving.On making, consider that from resisting the wearing and tearing angle liner plate particularly bottom lining plate generally should select for use high-abrasive material to make.In the past, often selected potassium steel or high-chromium alloy in the design for use.Potassium steel military service antiwear property under hot conditions is low, and embrittlement easily; Though high-chromium alloy has good wear resistance, casting technique is strict, and yield rate is low, Technology for Heating Processing complexity, thereby manufacturing cost height.Moreover, the monoblock cast high-chromium alloy must be taken into account performance indications such as machinability and tough, plasticity simultaneously except that emphasis is considered polishing machine, generally get hypoeutectic structure, can not give full play to the optimal wear resistance energy of high-chromium alloy.So scraper guide groove at tail of sintering machine, service life is undesirable, and the wear-resistant life-span is low, the repair rate height.
Summary of the invention
Technical problem to be solved by this invention is to overcome above-mentioned the deficiencies in the prior art, provides a kind of structure reasonable, processing, easy to maintenance, and sectional making, with low cost, the scraper guide groove at tail of sintering machine of long service life.
The technical scheme that the present invention solves the problems of the technologies described above employing is: a kind of scraper guide groove at tail of sintering machine, it is provided with bracing frame, scraper, backer board, bottom lining plate and side plate are installed on the bracing frame, it is characterized in that: bottom lining plate lower end, side plate inboard also are provided with sintering mineral aggregate interception dam on the bracing frame, and guide groove integral body is the open type box structure; Backer board, bottom lining plate, side plate are the multiple layer of bimetallic wear-resisting steel plate, and sintering mineral aggregate interception dam is formed by several dam body block combination of components, and the dam body block is combination wearing layer built-up welding structure.
The said dam body block of the present invention assembly is made up of dam body block and carriage, and the dam body block is by being bolted on the carriage, and the segmentation of dam body block assembly is fixed on the bracing frame, forms sintering mineral aggregate interception dam.
The said sintering mineral aggregate interception of the present invention dam is a two-stage, is installed on the bracing frame by several dam body block assemblies respectively, forms high and low two-stage interception dam.
The said sintering mineral aggregate interception of the present invention dam is three grades, is installed on the bracing frame by several dam body block assemblies respectively, forms three grades of interception dams.
Backer board of the present invention, bottom lining plate, side plate are the multiple layer of bimetallic wear-resisting steel plate.The multiple layer of bimetallic wear-resisting steel plate is to be the wearable plate goods that matrix is made by overlaying method complex abrasion-proof layer with the mother metal.Sintering mineral aggregate interception dam dam body block is combination wearing layer built-up welding structure.Combination wearing layer built-up welding structure is a kind of a plurality of wearing layers made with technique for overlaying and the combining structure of the alternate parallel distribution of mother metal layer.Wearing layer is made with technique for overlaying.
Integral body of the present invention is made by technique for overlaying, and the wear-resistant sintering mineral aggregate interception of main body dam is combination wearing layer built-up welding structure.The scraper guide groove external form is the open type box structure, the sintering deposit that is fallen by chassis at first fills up the case groove that is formed by sintering mineral aggregate interception dam etc. in the scraper guide groove, follow-up mineral aggregate is directly fallen on the charge level of material storing box groove, realize buffering or multi-buffer by the interception dam, can play the effect that partially absorbs ballistic work.Against existing technologies, the present invention constructs rationally, processing, easy to maintenance, and interception dam sectional making, integral assembling, convenient maintenance or replacing are given full play to material and structure double dominant, the service life of improving scraper guide groove to greatest extent.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples:
Fig. 1 is a structural representation of the present invention.
Fig. 2 is a dam body block assembly schematic diagram of the present invention.
Fig. 3 is the schematic cross-section of Fig. 2.
Fig. 4 is a scraper guide groove working state schematic representation of the present invention.
1. bracing frames among the figure, 2. backer board, 3. scraper, 4. bottom lining plate, 5. side plate, 6. interception dam, 7. dam body block assembly, 8. dam body block, 9. carriage.
The specific embodiment
As can be seen from Figure 1, a kind of scraper guide groove at tail of sintering machine of the present invention, it is provided with bracing frame 1, backer board 2, scraper 3, bottom lining plate 4, side plate 5 etc. are installed on the bracing frame 1, forming scraper guide groove, is the transition member that connects pallet and thermal crusher, forms a connecting link.Scraper 3 is used for scraping the sintering mineral aggregate that coheres on the chassis.
Sintering mineral aggregate interception dam 6 also is installed on the bracing frame 1 of the present invention.Bottom lining plate 4 is provided with slope at an angle according to the blanking height between chassis and the guide groove and the position of guide groove.Sintering mineral aggregate interception dam 6 is fixed on bottom lining plate lower end, the side plate inboard that slope is provided with, and the sintering mineral aggregate is formed interception.Scraper guide groove integral body is the open type box structure.
Sintering mineral aggregate interception of the present invention dam 6 is combined by several dam body block assemblies 7, is fixed on bottom lining plate lower end, side plate inboard that slope is provided with, forms the dam body of interception sintering mineral aggregate.The said block assembly 7 of the present invention is made up of dam body block 8 and carriage 9, as Fig. 2, shown in Figure 3.Dam body block 8 is by being bolted on the carriage 9, dam body block assembly 7 sectional makings, and integral assembling is fixed on the bracing frame 1, forms sintering mineral aggregate interception dam.
Sintering mineral aggregate interception of the present invention dam dam body block 8 is combination wearing layer built-up welding structure.Combination wearing layer built-up welding structure is a kind of a plurality of wearing layers made with technique for overlaying and the combining structure of the alternate parallel distribution of mother metal layer.Wearing layer adopts high temperature and abrasive-particle wear resistant build-up welding alloy material to make by technique for overlaying.Used high temperature and abrasive-particle wear resistant build-up welding alloy material is Chinese patent 011352310 a disclosed build-up welding alloy material, its concrete content (weight %) of forming is: C 1-5, Cr 10-30, Mo 2-12, W 1-8, Nb 2-15, V 1-5, B 1-6, rare earth 0.01-2, surplus Fe.Rare earth can be selected compound or the alloy of cerium Ce, praseodymium Pr, yttrium Y etc. for use.This material has good high temperature and abrasive-particle wear resistant performance, and it can realize higher high temperature hardness and wearability.
The dam can be tackled for one-level in the said sintering mineral aggregate interception of the present invention dam, also can be two-stage or three grades of interception dams.Shown in Figure 1, be a kind of two-stage interception dam scraper guide groove.By several dam body block assembly 7 sectional makings, dam body block assembly 7 is as Fig. 2, shown in Figure 3 respectively.Dam body block assembly 7 is fixed on bracing frame 1 by the bolt assembly unit, forms high and low two-stage interception dam.Like this, can realize the two-stage of sintering mineral aggregate is tackled.Three grades of interception dams are that several dam body block assemblies divide three grades to be installed on the bracing frame, form three grades of interception dams.
As shown in Figure 4, scraper guide groove integral body of the present invention is stairstepping open type box structure, when satisfying condition: α＞60 °, during β＜45 °, the sintering deposit that is fallen by chassis can fill up the material storing box groove earlier, follow-up mineral aggregate is directly fallen on the charge level of material storing box groove, can play the effect that cushions and partially absorb ballistic work.And can realize multi-buffer by ladder.The wearing layer of the combination wearing layer built-up welding structure of dam body block 8 of the present invention is arranged can be parallel, vertical with the abrasive particle flow direction or form an angle, and its working mechanism changes because of the relation between the wearing layer arrangement and the abrasive particle direction of motion.When the wearing layer arrangement is parallel with the abrasive particle flow direction, be equivalent to have a plurality of wearing faces, the wearing layer relay on the different aspects is on active service; When the wearing layer arrangement was angled with the abrasive particle flow direction, especially under rectangular condition, wearing layer was protected mother metal with shadow effect, and the abrasive particle flowing velocity is fast more, and the protection effect of shadow effect is remarkable more.Piecemeal of the present invention is made, integral assembling, convenient maintenance or replacing.
Claims (1)
1. scraper guide groove at tail of sintering machine, it is provided with bracing frame, scraper, backer board, bottom lining plate and side plate are installed on the bracing frame, are it is characterized in that: bottom lining plate lower end, side plate inboard also are provided with sintering mineral aggregate interception dam on the bracing frame, and guide groove integral body is the open type box structure; Backer board, bottom lining plate, side plate is the multiple layer of a bimetallic wear-resisting steel plate, sintering mineral aggregate interception dam is formed by several dam body block combination of components, this dam body block assembly is made up of dam body block and carriage, the dam body block is combination wearing layer built-up welding structure, said combination wearing layer built-up welding structure is the combining structure of a plurality of wearing layers and the alternate parallel distribution of mother metal layer, this wearing layer adopts high temperature and abrasive-particle wear resistant build-up welding alloy material to make by technique for overlaying, used high temperature and abrasive-particle wear resistant build-up welding alloy material is specifically formed content (weight %): C 1-5, Cr 10-30, Mo 2-12, W 1-8, Nb 2-15, V 1-5, B 1-6, rare earth 0.01-2, surplus Fe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101148951A CN101451787B (en) | 2007-11-29 | 2007-11-29 | Scraper guide groove at tail of sintering machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101148951A CN101451787B (en) | 2007-11-29 | 2007-11-29 | Scraper guide groove at tail of sintering machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101451787A CN101451787A (en) | 2009-06-10 |
| CN101451787B true CN101451787B (en) | 2011-12-07 |
Family
ID=40734164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007101148951A Active CN101451787B (en) | 2007-11-29 | 2007-11-29 | Scraper guide groove at tail of sintering machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101451787B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2861923Y (en) * | 2005-12-09 | 2007-01-24 | 广东韶钢松山股份有限公司 | Rear materials guiding device for sintering machine |
| CN200972328Y (en) * | 2006-11-27 | 2007-11-07 | 中冶长天国际工程有限责任公司 | Material stop device of tail guide groove of sintering machine |
| CN201133772Y (en) * | 2007-11-29 | 2008-10-15 | 于风福 | Sintering machine tail scraping knife guide groove |
-
2007
- 2007-11-29 CN CN2007101148951A patent/CN101451787B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2861923Y (en) * | 2005-12-09 | 2007-01-24 | 广东韶钢松山股份有限公司 | Rear materials guiding device for sintering machine |
| CN200972328Y (en) * | 2006-11-27 | 2007-11-07 | 中冶长天国际工程有限责任公司 | Material stop device of tail guide groove of sintering machine |
| CN201133772Y (en) * | 2007-11-29 | 2008-10-15 | 于风福 | Sintering machine tail scraping knife guide groove |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101451787A (en) | 2009-06-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101870027B (en) | Method for manufacturing high-chromium alloy overlaying composite abrasion resistant plate | |
| CN102357750B (en) | Flux-cored wire bead welding material | |
| CN101190481A (en) | Deposit welding rod containing rare earth and production method | |
| CN101737044A (en) | High-abrasion resistance cutting teeth of coal-winning machine and production process thereof | |
| CN105457722A (en) | Bimetal composite type abrasion-resistant liner plate and manufacturing method | |
| CN102233422A (en) | Composite guide plate and preparation process thereof | |
| CN100417472C (en) | Antiwear lining plate with embedded hard alloy and its making process | |
| CN104209163A (en) | Wear resistant composite hammerhead and preparation method thereof | |
| CN100400218C (en) | Wearable tubular welding rod made from tungsten carbide | |
| CN101417333A (en) | Preparation method of native column/zonal hard phase composite abrasion proof impeller | |
| CN201133772Y (en) | Sintering machine tail scraping knife guide groove | |
| CN101279522B (en) | Shock resistant compound material and preparation thereof | |
| CN103029964A (en) | Spiral conveying machine and spiral classifier provided with super wear resistant spiral blades | |
| CN101451787B (en) | Scraper guide groove at tail of sintering machine | |
| CN104004973A (en) | Steel balls of coal mill, and preparation process and loading grading application method thereof | |
| CN201358811Y (en) | Coal cutting machine middle groove | |
| CN105886962A (en) | High-strength and wear-resistant alloy steel for bucket teeth of coal cutter and preparation method of high-strength and wear-resistant alloy steel | |
| CN202506679U (en) | Abrasion-resistant inclined rolling punching machine guide plate | |
| CN103894262B (en) | The abrasionproof beater plate of a kind of blower mill and use thereof | |
| CN202398627U (en) | Composite material cross piercing machine foreplate | |
| CN101412103A (en) | Method for preparing primary column/ribbon shaped horniness phase wear-resistant composite grinding roll | |
| CN201785420U (en) | Bell-less top distribution chute | |
| CN101493009B (en) | Middle groove of coal cutter and method for manufacturing same | |
| CN202570267U (en) | Abrasion-resistant grinding roller | |
| CA1339715C (en) | Abrasion resistant composite casting and production method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: WEIHAI SANDUN WEAR-RESISTANT TECHNOLOGY + ENGINEER Free format text: FORMER OWNER: YU FENGFU Effective date: 20110914 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20110914 Address after: 264200 No. 108, Shenyang Road, hi tech District, Shandong, Weihai Applicant after: Weihai Sandun Welding Materials & Engineering Co., Ltd. Address before: 6-401 room 20, Qingqing Town, 264200 Jinzhou street, hi tech District, Shandong, Weihai Applicant before: Yu Fengfu |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190917 Address after: Room 205 and 207, 108 Shenyang Road, Weihai High-tech District, Shandong Province Patentee after: Weihai Sandun Welding Materials Engineering Co., Ltd. Address before: 264200 No. 108, Shenyang Road, hi tech District, Shandong, Weihai Patentee before: Weihai Sandun Welding Materials & Engineering Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Guide groove of sintering machine tail scraper Effective date of registration: 20210420 Granted publication date: 20111207 Pledgee: Weihai City Commercial Bank Limited by Share Ltd. high tech branch Pledgor: WEIHAI SANDUN WELDING MATERIALS ENGINEERING Co.,Ltd. Registration number: Y2021990000347 |