CN103521438B - High temperature calcium carbide screening circular motion shaking screen - Google Patents
High temperature calcium carbide screening circular motion shaking screen Download PDFInfo
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- CN103521438B CN103521438B CN201310505634.8A CN201310505634A CN103521438B CN 103521438 B CN103521438 B CN 103521438B CN 201310505634 A CN201310505634 A CN 201310505634A CN 103521438 B CN103521438 B CN 103521438B
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- calcium carbide
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- 239000005997 Calcium carbide Substances 0.000 title claims abstract description 46
- CLZWAWBPWVRRGI-UHFFFAOYSA-N tert-butyl 2-[2-[2-[2-[bis[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]amino]-5-bromophenoxy]ethoxy]-4-methyl-n-[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]anilino]acetate Chemical compound CC1=CC=C(N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)C(OCCOC=2C(=CC=C(Br)C=2)N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)=C1 CLZWAWBPWVRRGI-UHFFFAOYSA-N 0.000 title claims abstract description 45
- 238000012216 screening Methods 0.000 title claims abstract description 30
- 230000035939 shock Effects 0.000 claims abstract description 17
- 230000000116 mitigating effect Effects 0.000 claims abstract description 16
- 239000000428 dust Substances 0.000 claims abstract description 14
- 238000013016 damping Methods 0.000 claims abstract description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 16
- 239000010959 steel Substances 0.000 claims description 16
- 230000008878 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 230000002787 reinforcement Effects 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000007873 sieving Methods 0.000 abstract description 3
- 239000013070 direct material Substances 0.000 abstract description 2
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 9
- 239000004800 polyvinyl chloride Substances 0.000 description 9
- 239000000463 material Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 3
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- 238000004519 manufacturing process Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical group ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
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- 230000005484 gravity Effects 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 229920001084 poly(chloroprene) Polymers 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
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- 229960002415 trichloroethylene Drugs 0.000 description 1
- UBOXGVDOUJQMTN-UHFFFAOYSA-N trichloroethylene Natural products ClCC(Cl)Cl UBOXGVDOUJQMTN-UHFFFAOYSA-N 0.000 description 1
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- Combined Means For Separation Of Solids (AREA)
Abstract
A kind of high temperature calcium carbide screening circular motion shaking screen, comprises screen box, vibrator, bracing or strutting arrangement.The top of screen box is provided with dust removal port, seal cover and feeding mouth; Vibrator is fixedly connected with sieve box side plate, and vibrator is positioned at the top of screen box; Vibrator is connected with motor; Screen box is built with crossbeam, and a crossbeam structure of an essay is equipped with sieve plate; Bracing or strutting arrangement comprises upper and lower two-stage shock mitigation system; Higher level's shock mitigation system comprises and the upper bracket be connected bottom screen box and undersetting, and one-level damping spring is housed between upper and lower bearing; Base in subordinate's shock mitigation system and be provided with secondary damping spring between ground.The present invention fill up domestic cannot to the blank on the direct material sieving technology of high temperature calcium carbide; Improve the environment of each PVC manufacturer and plant area's periphery on the whole; Reduce the weathering speed of calcium carbide, reduce dust pollution, ensure the quality of calcium carbide, improve security and the feature of environmental protection of transport; Failure rate is low, sieves smooth and easy, and accessory long service life, maintenance cost is low.
Description
Technical field
The present invention relates to a kind of screening plant, particularly a kind of circular motion shaking screen that can carry out calcium carbide under screening 400 DEG C of conditions of high temperature in calcium carbide industry.
Background technology
The main component of industry calcium carbide is calcium carbide, and molecular formula is CaC
2calcium carbide is mainly for the production of acetylene, the chemical products such as further production polyvinyl chloride, vinyl acetate, neoprene, trichloro-ethylene, acetylene torch is also widely used in the welding and cutting of metal simultaneously, the calcium carbide process PVC (polyvinyl chloride) that China shows unique characteristics is not only country and has saved bulk petroleum resource, for consumers in general use inexpensive PVC(polyvinyl chloride yet) etc. calcium carbide downstream product provide precondition and guarantee.
The cylindrical bulk of calcium carbide after melting, in the process of acetylene gas processed, for increasing the response area of calcium carbide, enabling calcium carbide fully react, improving the reaction rate of calcium carbide, need carry out fragmentation and screening to the calcium carbide after melting.Under normal temperature there is the problems such as environmental pollution, calcium carbide utilization rate are low in calcium carbide pulverizing-screening system, and the vibratory sieve simultaneously in existing screening system also has following defect:
1, sieve plate is even plate body, and sieve aperture is distributed on sieve plate, and easy plug-hole causes screening efficiency lower;
2, because the material of sieve plate is generally iron and steel, cannot directly sieve the calcium carbide under the condition of high temperature, and poor reliability, be only 1-2 month service life, change frequent;
3, the vibrator in screening plant needs operation at high operating temperatures, and the rotations such as the bearing in vibrator, attaching parts temperature rise are higher, and between bearing outer ring and bearing block, wearing and tearing are very fast, and service life is short, and maintenance rate is high.
Summary of the invention
The present invention be directed to the defect that existing screening plant can not meet high temperature calcium carbide screening operation, a kind of high temperature calcium carbide screening circular motion shaking screen that can sieve calcium carbide broken under 400 DEG C of conditions of high temperature is provided.
For achieving the above object, the technical solution used in the present invention is: a kind of high temperature calcium carbide screening circular motion shaking screen, the vibrator comprising the screen box of rectangular box structure, link together with screen box, for supporting the bracing or strutting arrangement of screen box,
Described screen box is closed enclosure body structure, and the top of screen box is provided with dust removal port, seal cover and feeding mouth; Support plate for supporting vibrator is fixedly connected with the side plate of screen box by connector, and vibrator is positioned at the top of screen box; Vibrator is connected with the axle stretch end of the motor being positioned at screen box side;
Along its width, crossbeam is housed in described screen box, a structure of an essay for crossbeam is equipped with sieve plate, and every block sieve plate, by three stepped arranged of comb sieve, is fixed with reinforcement between sieve;
Described bracing or strutting arrangement comprises upper and lower two-stage shock mitigation system; Described higher level's shock mitigation system comprises and the upper bracket be connected bottom screen box and undersetting, and one-level damping spring is housed between upper and lower bearing; Described subordinate shock mitigation system comprises the base be connected with undersetting, is provided with secondary damping spring between base and ground.
Sieve box side plate all adopts 15CrMo heat-resisting steel sheet and plate to be made.
Crossbeam adopts the alloy seamless steel pipe of 15CrMo to be made.
Crossbeam is distributed on the bottom of screen box side by side, and sieve plate is installed between adjacent beams, and sieve plate and crossbeam are provided with crossbeam backplate; Described sieve plate is respectively arranged with the comb sieve of three stepped arrangements, fixes with reinforcement between each sieve.
Sieve plate is fixedly connected with crossbeam backplate with bolt connecting coupling by sieve plate press strip, and crossbeam backplate is " splayed " steel plate, and it is fixedly mounted on the channel-section steel of cross rail top.
Damping spring in shock mitigation system all adopts metal spring.
The height of undersetting mates with the angle of inclination of screen box entirety.
Dust removal port and feeding mouth are separately positioned on the two ends at screen box top, and described seal cover is arranged on screen box crown center position.
There is following beneficial effect in the present invention:
1, the high temperature calcium carbide (400 DEG C) after fragmentation is directly sieved, fill up domestic cannot to the blank on the direct material sieving technology of high temperature calcium carbide;
2, with high temperature calcium carbide crusher with the use of, calcium carbide crushing and screening process can be completed by calcium carbide manufacturer, each PVC(polyvinyl chloride) manufacturing enterprise sets up no longer separately fragmentation, screen house, because of produce in broken, screening calcium carbide process dust, pernicious gas discharge etc., pollution on the environment, can be well controlled, improve each PVC(polyvinyl chloride on the whole) environment of manufacturer and plant area's periphery;
3, can the transport of packed or barreled after calcium carbide screening, bulk transport is more in the past convenient, and packed or barreled seals relatively good comparatively speaking, the weathering speed of calcium carbide can be reduced, decrease dust pollution, ensure that the quality of calcium carbide, also improve security and the feature of environmental protection of transport simultaneously;
4, equipment can meet the demand of screening operation under the condition of high temperature, and failure rate is low, sieves smooth and easy, accessory long service life;
5, the critical piece of screening plant at high temperature has higher thermal epistasis and non-oxidizability, and can meet vibratory sieve continuous operation under 400 DEG C of high temperature, long service life, maintenance cost is low.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is sieve plate and screen box syndeton schematic diagram.
Fig. 4 is sieve structural representation figure.
Fig. 5 is the left view of Fig. 4.
In figure: screen box 1, dust removal port 2, seal cover 3, feeding mouth 4, upper bracket 5, one-level damping spring 6, undersetting 7, base 8, secondary damping spring 9, vibrator 10, yielding coupling 11, motor 12, motor cabinet 13, crossbeam 14, comb sieve 15, crossbeam backplate 16, sieve plate press strip 17, bolt connecting coupling 18, sieve plate 19.
Detailed description of the invention
See accompanying drawing 1-5, the present invention want disclosed this vibratory sieve to be applicable to 400 celsius temperature states under broken after the screening operation of calcium carbide.Due to the movement locus sub-circular of this vibratory sieve, therefore be called circular motion shaking screen by those skilled in the art.
The screen box 1 that this circular motion shaking screen comprises rectangular box structure, the vibrator 10 linked together with screen box 1, also have the bracing or strutting arrangement for supporting screen box.
Screen box 1 is closed enclosure body structure, and the top of screen box is provided with dust removal port 2, seal cover 3 and feeding mouth 4, and dust removal port and feeding mouth are separately positioned on the two ends at screen box top, and seal cover is arranged on screen box crown center position.Sieve box side plate all adopts 15CrMo heat-resisting steel sheet and plate to be made.Along its width, crossbeam 14 is housed in screen box, a structure of an essay for crossbeam is equipped with sieve plate 19, every block sieve plate 19 is by three stepped arranged of comb sieve 15, comb sieve 15 is the 15CrMo heat-resisting steel sheet and plate that 10mm is thick, fixes between sieve with reinforcement, for ensureing its stability, weld with heat-resisting welding rod, overall postwelding carries out stress relief annealing process to eliminate welding stress, and this sieve plate has the advantages such as intensity is high, wearability is good, is applicable to the screening of high temperature calcium carbide.Because calcium carbide hardness is high, be opposing shock loading, have two pieces of punching steel construction sieve plates in screen box feeding end first straddle mounting, be furnished with multiple tracks gusset under compass screen surface and ensure that it can bear the impact of high temperature calcium carbide.Crossbeam 14 adopts the alloy seamless steel pipe of 15CrMo to be made, and selecting of sieve box side plate and crossbeam material, at high temperature has higher heat resistance and non-oxidizability, and have certain resistant to hydrogen corrosive power, can meet vibratory sieve continuous operation under 400 DEG C of high temperature.Crossbeam is distributed on the bottom of screen box side by side, and sieve plate is installed between adjacent beams, and sieve plate and crossbeam are provided with crossbeam backplate 16; Sieve plate is respectively arranged with the comb sieve 15 of three stepped arrangements, fixes with reinforcement between each sieve.Sieve plate is fixedly connected with crossbeam backplate 16 with bolt connecting coupling 18 by sieve plate press strip 17, and crossbeam backplate 16 is " splayed " steel plate, and it is fixedly mounted on the channel-section steel of cross rail top, to prevent calcium carbide to the impact of crossbeam channel-section steel and wearing and tearing.
Support plate for supporting vibrator is fixedly connected with the side plate of screen box by connectors such as high-strength connecting bolts, vibrator is positioned at the top of screen box, because screen box is closed box, screen box and vibrator work respectively in two working spaces of keeping apart, and seal cover is and the position of screen box center of top near vibrator.Because the two is in two separate space, the high-temperature material in screen box and vibrator is made to keep isolating, alleviate the impact that heat transfer connects on vibrator inner bearing etc., rotate accessory, when avoiding sieving, material is to the wearing and tearing of vibrator jackshaft simultaneously, the preferred Hooks coupling universal coupling of jackshaft, has the advantages such as transmitting torque is large, aligning performance is good.Vibrator is connected by the axle stretch end of yielding coupling 11 with the motor 12 being positioned at screen box side, and motor is contained in the side of screen box by motor cabinet 13 frame, is vibrator supply power.Be generally and avoid producing additional moment, ensure screen box translation, vibrator axis is by the center of gravity of vibrating body.
Bracing or strutting arrangement comprises upper and lower two-stage shock mitigation system.Higher level's shock mitigation system comprises and the upper bracket 5 be connected bottom screen box and undersetting 7, and one-level damping spring 6 is housed between upper and lower bearing.Subordinate's shock mitigation system comprises the base 8 be connected with undersetting 7, is provided with secondary damping spring 9 between base 8 and ground.Damping spring in shock mitigation system all adopts metal spring.Shock mitigation system is separately positioned on two ends and the both sides of screen box, and the height of undersetting mates with the angle of inclination of screen box entirety.The design of secondary vibration insulating system, decreases the dynamic loading of screen(ing) machine to foundation ground, decreases the investment on building foundation, and screen(ing) machine is when starting by resonance region, resonance amplitude reduces relatively, makes screen(ing) machine enter duty stably, screen(ing) machine stability and safety more when band material runs.
Owing to being provided with seal cover on screen box, calcium carbide material will carry out pan feeding, screening, discharging in totally enclosed space, also be provided with special dust removal port simultaneously, for reclaiming dust, minimizing dust and gas, on the impact of working environment, improve the working environment of workman.
Carry out the screening process of broken loose material with this vibratory sieve, can regard as and be made up of two stages: one is the material bed arrival compass screen surface that the fine grained being less than screen size consists of coarse granule, be called for short and wear layer or layering; Two is that fine grained becomes screenings through sieve aperture, is called for short and thoroughly sieves, and coarse granule also discharges compass screen surface simultaneously becomes oversize.Therefore make coarse grain layer often be in loose condition (of surface), be convenient to fine grained through the space coarse granule, impel fine grained thoroughly to sieve.
Claims (6)
1. a high temperature calcium carbide screening circular motion shaking screen, the vibrator comprising the screen box of rectangular box structure, link together with screen box, for supporting the bracing or strutting arrangement of screen box, is characterized in that,
Described screen box is closed enclosure body structure, and the top of screen box is provided with dust removal port, seal cover and feeding mouth; Support plate for supporting vibrator is fixedly connected with the side plate of screen box by connector, and vibrator is positioned at the top of screen box; Vibrator is connected with the axle stretch end of the motor being positioned at screen box side;
Along its width, crossbeam is housed in described screen box, a structure of an essay for crossbeam is equipped with sieve plate, and every block sieve plate, by three stepped arranged of comb sieve, is fixed with reinforcement between sieve; Crossbeam is distributed on the bottom of screen box side by side, and sieve plate is installed between adjacent beams, and sieve plate and crossbeam are provided with crossbeam backplate; Described sieve plate is respectively arranged with the comb sieve of three stepped arrangements, fixes with reinforcement between each sieve; Sieve plate is fixedly connected with crossbeam backplate with bolt connecting coupling by sieve plate press strip, and crossbeam backplate is " splayed " steel plate, and it is fixedly mounted on the channel-section steel of cross rail top;
Described bracing or strutting arrangement comprises upper and lower two-stage shock mitigation system; Described higher level's shock mitigation system comprises and the upper bracket be connected bottom screen box and undersetting, and one-level damping spring is housed between upper and lower bearing; Described subordinate shock mitigation system comprises the base be connected with undersetting, is provided with secondary damping spring between base and ground.
2. high temperature calcium carbide screening circular motion shaking screen according to claim 1, it is characterized in that, sieve box side plate all adopts 15CrMo heat-resisting steel sheet and plate to be made.
3. high temperature calcium carbide screening circular motion shaking screen according to claim 1, is characterized in that, described crossbeam adopts the alloy seamless steel pipe of 15CrMo to be made.
4. high temperature calcium carbide screening circular motion shaking screen according to claim 1, it is characterized in that, the damping spring in described shock mitigation system all adopts metal spring.
5. high temperature calcium carbide screening circular motion shaking screen according to claim 1, it is characterized in that, the height of described undersetting mates with the angle of inclination of screen box entirety.
6. high temperature calcium carbide screening circular motion shaking screen according to claim 1, it is characterized in that, described dust removal port and feeding mouth are separately positioned on the two ends at screen box top, and described seal cover is arranged on screen box crown center position.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310505634.8A CN103521438B (en) | 2013-10-24 | 2013-10-24 | High temperature calcium carbide screening circular motion shaking screen |
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| CN201310505634.8A CN103521438B (en) | 2013-10-24 | 2013-10-24 | High temperature calcium carbide screening circular motion shaking screen |
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| CN103521438B true CN103521438B (en) | 2016-03-23 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104108716B (en) * | 2014-05-19 | 2016-06-01 | 顾君尧 | Calcium carbide cooling forming equipment |
| CN104858133B (en) * | 2015-05-28 | 2017-06-16 | 介休市义安镇兴业煤化设备制造厂 | A kind of mining material screening plant |
| CN104984900B (en) * | 2015-06-30 | 2017-10-03 | 广西华锡集团股份有限公司车河选矿厂 | Vibratory sieve |
| CN109332170A (en) * | 2018-12-10 | 2019-02-15 | 广东时代环保科技有限公司 | A large flow multifunctional vibrating sand separator |
| CN113019902A (en) * | 2021-03-29 | 2021-06-25 | 德州群峰机械制造有限公司 | Combined type vibrating screen |
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| CN2303687Y (en) * | 1995-06-05 | 1999-01-13 | 河南拓普炼铁技术联合开发公司 | Comb-teeth shape combined sieve bottom |
| RU2405633C1 (en) * | 2009-07-16 | 2010-12-10 | Государственное образовательное учреждение высшего профессионального образования "Санкт-Петербургский государственный горный институт имени Г.В. Плеханова (технический университет)" | Multi-sieve vibration screen |
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| CN103170453A (en) * | 2013-03-27 | 2013-06-26 | 海安县联源机械制造有限公司 | Circular vibrating screen |
| CN203124253U (en) * | 2013-01-11 | 2013-08-14 | 徐州大禹重科矿山设备有限公司 | Heavy type multi-segment screening device |
| CN203508390U (en) * | 2013-10-24 | 2014-04-02 | 唐山汇力科技有限公司 | Circular movement vibrating screen for high-temperature calcium carbide screening |
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2013
- 2013-10-24 CN CN201310505634.8A patent/CN103521438B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2303687Y (en) * | 1995-06-05 | 1999-01-13 | 河南拓普炼铁技术联合开发公司 | Comb-teeth shape combined sieve bottom |
| RU2405633C1 (en) * | 2009-07-16 | 2010-12-10 | Государственное образовательное учреждение высшего профессионального образования "Санкт-Петербургский государственный горный институт имени Г.В. Плеханова (технический университет)" | Multi-sieve vibration screen |
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Effective date of registration: 20190128 Address after: 063000 Tangshan High-tech Zone, Hebei Province, 13th Floor of Jidong News Center Building, 170 North Road Patentee after: Yizhou (Tangshan) New Energy Technology Co., Ltd. Address before: 063000 East Side of Shengli Bridge, Kaiping District, Tangshan City, Hebei Province Patentee before: Tangshan Huili Science and Technology Co.,Ltd. |
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