CN204892339U - Removable fraction dust -proof machine sieve - Google Patents
Removable fraction dust -proof machine sieve Download PDFInfo
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- CN204892339U CN204892339U CN201520636299.XU CN201520636299U CN204892339U CN 204892339 U CN204892339 U CN 204892339U CN 201520636299 U CN201520636299 U CN 201520636299U CN 204892339 U CN204892339 U CN 204892339U
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Abstract
The utility model discloses a removable fraction dust -proof machine sieve, including take off and land pole and press down dirt and dust collector of top layer sieve, middle sieve, end layer sieve, powder take -up (stock) pan, hydraulic pressure connecting rod, rolling bearing, swing bent axle, vibrator, hydraulic pressure to working process through machine controller and hydraulic controller control machinery sieve. The utility model aims at providing a can effectively detect the hole diameter of sieve (perforated) plate, improve the accuracy that detects data, conveniently change the sieve, and reduce the dust and discharge, improve staff operation environment's removable fraction dust -proof machine sieve.
Description
Technical field
The utility model relates to a kind of detachable dust-proof machine sieve.
Background technology
In metallurgy industry, the mechanical strength of bulk raw material smelter coke comprises crushing strength and scuff resistance, represent with M40 and M10 respectively, namely after a certain amount of smelter coke rotates the stipulated time in rotary drum, respectively with after the sieve screening of different pore size, diameter is greater than more than 40mm coke and accounts for always to enter rotary drum coke quality percentage and be crushing strength and represent with M40, and the following coke of diameter 10mm accounts for and always enters rotary drum coke quality percentage and be scuff resistance and represent with M10.Coke strength is the important parameter weighing smelter coke quality, is international smelter coke transaction the key technical indexes.As smelter coke maximum purposes blast furnace smelting iron, the index of crushing strength and scuff resistance has important practical advice meaning to blast fumance, the capital equipment sieve of coke strength inspection, in the past many by manually sieving, comparatively large owing to manually sieving labour intensity, particularly Dry Quenching Technology coke moisture since the applying of coking industry is lower, therefore coke dust exception large in screening, greatly injure the physical and mental health of employee, simultaneously also for hidden danger has been buried in safety in production.
Use mechanical picker in recent years, vibratory sieve achieves mechanization, alleviates staff labor intensity.Because vibratory sieve exists some drawbacks, limit its application, major drawbacks shows, one is, present most mechanical picker can not carry out the detection operating procedure of " hand perforation " after coke screening, national technical standard requires must to the coke hand perforation after screening, and hand perforation is operating procedure most important, the most basic in coke strength testing process, has important impact to the accuracy detecting data.Two are, mechanical picker flows out from outlet smoothly for the ease of sieving rear coke, generally all sieve at different levels is provided with certain angle of inclination, but due to the sample weight comparatively large (100 kilograms of coke) of this experiment, when injection port poured into by sample, start mechanical picker, under heap sum effect of inertia, coke can not be sieved under this aperture completely clean, the coke being less than this aperture granularity can be made under the effect of gradient acceleration to sweep along take out of, crushing strength may be caused higher, and scuff resistance is on the low side, has a strong impact on Monitoring Data.Three are, present mechanical picker majority does not take into full account the problem of coke screening dust.Dry Quenching Technology coke moisture since the applying of coking industry is lower, therefore coke dust exception large in screening, and greatly injured the physical and mental health of employee, excessive dust accumulation can be explosion caused simultaneously, also for hidden danger has been buried in safety in production.Four is that present mechanical picker majority is structure as a whole, can not to hole diameter of sieve (perforated) plate follow-up investigations effectively, national technical standard explicitly calls for, hole diameter of sieve (perforated) plate quarterly checks once, the diameter in each hole can not be greater than the prescribed limit of nominal value, exceed setting must change in time, present mechanical picker can not realize the detection in aperture and not meet the replacing that technical standard requires sieve plate, there is great technology hidden danger and the wasting of resources.
Utility model content
For solving the problems of the technologies described above, the utility model provides a kind of detachable dust-proof machine sieve.
For reaching above-mentioned purpose, a kind of detachable dust-proof machine sieve of the utility model, comprises sieve, hydraulic connecting rod and fixing tilting device and control system, described sieve comprises the top layer sieve arranged successively up and down, middle sieve and last layer sieve, top layer sieve, middle sieve and last layer sieve are all connected on hydraulic connecting rod by rolling bearing is dismountable, equal batch turning bag is connected bottom each layer sieve avris, top layer sieve is with gemel connection dust suppression capping, the dedust air duct and dust settling pocket connected successively and dedusting fan is provided with bottom last layer sieve avris, with the ventilation and dust removal of blower fan machine, described last layer screen bottom is connected with powder receiver, powder recipient is connected with bottom powder receiver, powder receiver is connected with vibrator, last layer screen bottom connects swing crankshaft motor by swinging bent axle, described fixing tilting device comprises fixed mount, middle springs, spring base, firm banking and hydraulic pressure landing bar, described fixed mount, middle springs, spring base and firm banking are placed in four footing of last layer sieve successively respectively and make a whole set of sieve be fixed on ground, described hydraulic pressure landing bar is arranged at the rear end of last layer sieve, to balance a whole set of sieve, and after screening operation terminates jack-up sieve, be convenient to different pore size level oversize to pour in batch turning bag, described control system comprises electric machine controller and hydraulic controller, electrical system, hydraulic controller hydraulic control connecting rod and the hydraulic pressure landing bar of a whole set of screen systems of motor controller controls.
Further, the screen frame inside of described top layer sieve, middle sieve and last layer sieve is all fixed with wooden sieve plate lining, prevent coke directly and irony screen frame clash into affect and detect numerical value.
Further, described dust suppression capping surrounding is pasted with dust suppression strip of paper used for sealing.
Further, described top layer sieve, middle sieve and last layer sieve include screen frame and lower screen frame, and upper screen frame is recessed slot type structure, and lower screen frame all pastes dust suppression strip of paper used for sealing.
Further, described top layer sieve, middle sieve and last layer sieve avris are equipped with mobile spanner, are convenient to after screening operation terminates, open the dust suppression capping of top layer sieve and sieve at different levels.
Further, described top layer sieve, middle sieve and last layer sieve are fixed together with sieve plate gim peg, are overall mechanical picker during screening operation.
Further, described powder receiving plate is by progressively downward-sloping in the middle of four circumferences.
Further, retractable support block is arranged at the bottom of described hydraulic connecting rod, is retracted in hydraulic connecting rod during mechanical picker vibration, and when mechanical picker stops sieving, retractable support block falls, with balance support package unit.
The beneficial effects of the utility model are as follows:
Realize detecting hand perforation procedure step, effectively detect hole diameter of sieve (perforated) plate, improve the accuracy detecting data; Realize not meeting the convenient of technical standard sieve to change at any time, fundamentally ensure that the accuracy detecting data; Realize effective suppression of dust during STRENGTH ON COKE screening simultaneously, reduce dust emission, improve employee's operating environment, protect enterprise employee health to greatest extent.
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model detachable dust-proof machine sieve.
Description of reference numerals: 1-dust suppression capping; 2-top layer sieve; The wooden sieve plate lining of 3-; 4-dust suppression strip of paper used for sealing; 5-sieve plate gim peg; 6-moves spanner; 7-batch turning bag; 8-hydraulic connecting rod; 9-bolt; 10-rolling bearing; 11-bearing backing plate; 12-bearing latch; 13-retractable support block; Sieve in the middle of 14-; 15-last layer sieve; 16-powder receiver; 17-dedust air duct; 18-dust settling pocket; 19-dedusting motor; 20-vibrator; 21-swings crankshaft motor; 22-swings bent axle; 23-hydraulic pressure landing bar; 24-powder recipient; 25-fixed mount; 26-middle springs; 27-spring base; 28-firm banking; 29 electric machine controllers; 30-hydraulic controller.
Detailed description of the invention
Below in conjunction with drawings and Examples, to above-mentioned being described in more detail with other technical characteristic and advantage of the utility model.
As shown in Figure 1, a kind of detachable dust-proof machine sieve, comprises sieve, hydraulic connecting rod 8 and fixing tilting device and control system, sieve comprises the top layer sieve 2 arranged successively up and down, middle sieve 14 and last layer sieve 15, top layer sieve 2, middle sieve 14 and last layer sieve 15 are all connected on hydraulic connecting rod 8 by rolling bearing 10 is dismountable, rolling bearing 10 top installation shaft rim plate 11, and be stable on hydraulic connecting rod 8 with bearing latch 12, equal batch turning bag 7 is connected bottom each layer sieve avris, top layer sieve 2 is with gemel connection dust suppression capping 1, the dedust air duct 17 connected successively and dust settling pocket 18 and dedusting fan 19 is provided with bottom last layer sieve 15 avris, with the ventilation and dust removal of blower fan machine, powder receiver 16 is connected with bottom last layer sieve 16, powder recipient 24 is connected with bottom powder receiver 16, powder receiver 16 is connected with vibrator 20, last layer sieve 15 bottom plate connects swing crankshaft motor 21 by swinging bent axle 22, fixing tilting device comprises fixed mount 25, middle springs 26, spring base 27, firm banking 28 and hydraulic pressure landing bar 23, described fixed mount 25, middle springs 26, spring base 27 and firm banking 28 are placed in four footing of last layer sieve 15 successively respectively and make a whole set of sieve be fixed on ground, hydraulic pressure landing bar 23 is arranged at the rear end of last layer sieve 15, to balance a whole set of sieve, and after screening operation terminates jack-up sieve, be convenient to different pore size level oversize to pour in batch turning bag 7, control system comprises electric machine controller 29 and hydraulic controller 30, and electric machine controller 29 controls the electrical system of a whole set of screen systems, hydraulic controller 30 hydraulic control connecting rod 8 and hydraulic pressure landing bar 23.
Wherein the screen frame inside of top layer sieve 2, middle sieve 14 and last layer sieve 15 is all fixed with wooden sieve plate lining 3, prevent coke directly and irony screen frame clash into affect and detect numerical value; Dust suppression capping 1 surrounding is pasted with dust suppression strip of paper used for sealing 4, and dust suppression strip of paper used for sealing can be protruding sponge; Top layer sieve 2, middle sieve 14 and last layer sieve 15 include screen frame and lower screen frame, and upper screen frame is recessed slot type structure, and lower screen frame all pastes dust suppression strip of paper used for sealing 4; Each layer sieve avris is equipped with mobile spanner 6, is convenient to after screening operation terminates, open the dust suppression capping 1 of top layer sieve 2 and sieve at different levels; Top layer sieve 2, middle sieve 14 and last layer sieve 15 are fixed together with sieve plate gim peg 5, are overall mechanical picker during screening operation; Powder receiving plate 16 is by progressively downward-sloping in the middle of four circumferences; Retractable support block 13 is arranged at the bottom of described hydraulic connecting rod 8, is retracted in hydraulic connecting rod 8 during mechanical picker vibration, and when mechanical picker stops sieving, retractable support block 13 falls, with balance support package unit.
Rolling bearing 10 top installation shaft rim plate 11 on hydraulic connecting rod 8 is also stable at hydraulic connecting rod with bearing latch 12, be connected on the bolt 9 of different pore size level sieve plate, retractable support block 13 is arranged at the bottom of hydraulic connecting rod 8, be retracted in hydraulic connecting rod 8 during mechanical picker vibration, when mechanical picker stops sieving, retractable support block 13 falls, with balance support package unit, rolling bearing 10 on hydraulic connecting rod 8, bearing backing plate 11 and bearing latch 12 are detachable, realize freely changing of sieve.
A whole set of mechanical oscillation sieve is fixed on sieve firm banking 28 on ground with spring anchorage bracket 25, middle springs 26 and spring base 27, a whole set of sieve is made to be fixed on ground, the vibration amplitude of middle springs 26 will meet the certain angle of inclination of sieve, hydraulic pressure landing bar 23 sieve designs the back in last layer sieve 15, to balance a whole set of sieve, and after screening operation terminates jack-up sieve, be convenient to different pore size level oversize to pour in batch turning bag 7.
Detachable dust-proof machine sieve is realized the vibration of sieve by the vibrator 20 bottom powder receiver 16, the swing bent axle 22 be fixed on bottom last layer sieve 15 is driven to realize swinging by swing crankshaft motor 21, acting in conjunction makes oversize fully sieve in sieve, hydraulic controller 30 simultaneously hydraulic control landing bar 23 and hydraulic connecting rod 8, realize the retractable support block 13 that when mechanical picker terminates screening operation, hydraulic pressure landing bar 23 topples over oversize and hydraulic connecting rod 8 and support gravity flow screen subsystem.
Open dust suppression capping 1 coke of the standard predetermined weight got is poured in top layer sieve 2, build dust suppression capping 1, fix sieve at different levels with sieve plate gim peg 5.Starter motor controller 29, vibrator 20 and swing bent axle 22 start the motion of driving mechanical sieve, set run duration in electric machine controller 29 simultaneously.Start dedusting fan 19, coke dust is collected in dust settling pocket 18 by dedust air duct 17 simultaneously.After sieve motion terminates, the retractable support block 13 under hydraulic connecting bar 8 falls by primer fluid pressure controller 30, is supported in ground, and balance vibration is sieved.Open sieve plate gim peg 5, with the coke on " hand perforation " sieve at different levels, after screening end-of-job, open hydraulic controller 30, starting hydraulic lifting arm 23 to pour in batch turning bag 7 to weigh the quality calculating oversize coke at different levels by coke, calculate scuff resistance and the crushing strength of coke.Coke powder falls within powder receiver 16, is collected in powder recipient 24.
Above-described embodiment is only be described preferred embodiment of the present utility model; not scope of the present utility model is limited; under the prerequisite not departing from the utility model design spirit; the various distortion that those of ordinary skill in the art make the technical solution of the utility model and improvement, all should fall in protection domain that the utility model claims determine.
Claims (8)
1. a detachable dust-proof machine sieve, is characterized in that: comprise sieve, hydraulic connecting rod and fixing tilting device and control system, described sieve comprises the top layer sieve arranged successively up and down, middle sieve and last layer sieve, top layer sieve, middle sieve and last layer sieve are all connected on hydraulic connecting rod by rolling bearing is dismountable, equal batch turning bag is connected bottom each layer sieve avris, top layer sieve is with gemel connection dust suppression capping, the dedust air duct and dust settling pocket connected successively and dedusting fan is provided with bottom last layer sieve avris, with the ventilation and dust removal of blower fan machine, described last layer screen bottom is connected with powder receiver, powder recipient is connected with bottom powder receiver, powder receiver is connected with vibrator, last layer screen bottom dish connects swing crankshaft motor by swinging bent axle, described fixing tilting device comprises fixed mount, middle springs, spring base, firm banking and hydraulic pressure landing bar, described fixed mount, middle springs, spring base and firm banking are placed in four footing of last layer sieve successively respectively and make a whole set of sieve be fixed on ground, described hydraulic pressure landing bar is arranged at the rear end of last layer sieve, to balance a whole set of sieve, and after screening operation terminates jack-up sieve, be convenient to different pore size level oversize to pour in batch turning bag, described control system comprises electric machine controller and hydraulic controller, electrical system, hydraulic controller hydraulic control connecting rod and the hydraulic pressure landing bar of a whole set of screen systems of motor controller controls.
2. detachable dust-proof machine according to claim 1 sieve, is characterized in that: the screen frame inside of described top layer sieve, middle sieve and last layer sieve is all fixed with wooden sieve plate lining, prevent coke directly and irony screen frame clash into affect and detect numerical value.
3. detachable dust-proof machine sieve according to claim 1, is characterized in that: described dust suppression capping surrounding is pasted with dust suppression strip of paper used for sealing.
4. detachable dust-proof machine sieve according to claim 1, is characterized in that: described top layer sieve, middle sieve and last layer sieve include screen frame and lower screen frame, and upper screen frame is recessed slot type structure, and lower screen frame all pastes dust suppression strip of paper used for sealing.
5. detachable dust-proof machine according to claim 1 sieve, is characterized in that: described top layer sieve, middle sieve and last layer sieve avris are equipped with mobile spanner, is convenient to after screening operation terminates, open the dust suppression capping of top layer sieve and sieve at different levels.
6. detachable dust-proof machine sieve according to claim 1, it is characterized in that: described top layer sieve, middle sieve and last layer sieve are fixed together with sieve plate gim peg, is overall mechanical picker during screening operation.
7. detachable dust-proof machine sieve according to claim 1, is characterized in that: described powder receiving plate is by progressively downward-sloping in the middle of four circumferences.
8. detachable dust-proof machine sieve according to claim 1, it is characterized in that: retractable support block is arranged at the bottom of described hydraulic connecting rod, be retracted in hydraulic connecting rod during mechanical picker vibration, when mechanical picker stops sieving, retractable support block falls, with balance support package unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520636299.XU CN204892339U (en) | 2015-08-21 | 2015-08-21 | Removable fraction dust -proof machine sieve |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520636299.XU CN204892339U (en) | 2015-08-21 | 2015-08-21 | Removable fraction dust -proof machine sieve |
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| CN204892339U true CN204892339U (en) | 2015-12-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520636299.XU Active CN204892339U (en) | 2015-08-21 | 2015-08-21 | Removable fraction dust -proof machine sieve |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110624810A (en) * | 2019-10-09 | 2019-12-31 | 攀钢集团攀枝花钢铁研究院有限公司 | Material receiving and screening device for coke drum experiment |
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2015
- 2015-08-21 CN CN201520636299.XU patent/CN204892339U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110624810A (en) * | 2019-10-09 | 2019-12-31 | 攀钢集团攀枝花钢铁研究院有限公司 | Material receiving and screening device for coke drum experiment |
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