CN102633068B - High-pressure air force flow-assistant cabin clearing equipment and cabin clearing method thereof - Google Patents
High-pressure air force flow-assistant cabin clearing equipment and cabin clearing method thereof Download PDFInfo
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- CN102633068B CN102633068B CN201210101442.6A CN201210101442A CN102633068B CN 102633068 B CN102633068 B CN 102633068B CN 201210101442 A CN201210101442 A CN 201210101442A CN 102633068 B CN102633068 B CN 102633068B
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Abstract
The invention discloses high-pressure air force flow-assistant cabin clearing equipment and a cabin clearing method thereof. The high-pressure air force flow-assistant cabin clearing equipment comprises a controller, an air compressor, a pipeline system and the like, wherein air generated by the air compressor is introduced into an air tank so as to be stored; the air tank is connected with a storage bin via the pipeline system; a water pump is started and is connected with the storage bin via the pipeline system; and the controller controls air and water to inject high-pressure air and water into the fault zone of the storage bin in real time through the following steps: pumping, punching, loosening materials, injecting water to wet materials and damage material leakproofness, and pumping again to cause the material to be separated from a cabin wall. The high-pressure air force flow-assistant cabin clearing equipment adopts a stable compressed air source and is combined with water to dually cut a blockage. According to the working condition of the storage cabin, gas and water are effectively combined, and therefore the high-pressure air force flow-assistant cabin clearing equipment has a blockage clearing function and can be prevented from being blocked.
Description
Technical field
The invention belongs to and bring down stocks preventing plug dredging technical field, especially relate to and a kind ofly bring down stocks equipment and bring down stocks method for preventing and eliminate the high pressure gas devote every effort to help stream of the phenomenons such as material arch camber, feed bin blocking, sticky wall, delay at all types of feed bins, hopper, tube furcation place.
Background technology
In service at thermal electric generation and metallurgical ironmaking production, due to the reason such as raw material, weather, often cause silo blockage, take the phenomenons such as arch, and then cause the fault such as feeder fracture, the disconnected coal of coal mill, impact is normally produced, and even causes safety misadventure.
Conventional coal bucket block-clearing measure of present stage mainly contains following five kinds of modes:
1, manpower broken block, manpower broken block generally includes by disclosing coal hole and discloses coal, sledgehammer and knock chute blockage position, carry out broken arch at toll a bell formula weight etc. of the easy outer setting in storehouse, chute blockage place.Manpower broken block takes time and effort, and broken block effect is limited, and bulkhead is destroyed greatly, and broken block scene has a large amount of raw coal accumulations to cause serious environmental pollution, and personal height operation, has potential safety hazard.
2, bunker wall vibration device, the broken block principle of bunker wall vibration device and manually impact basic identically, the coal that makes to be bonded on bulkhead by the vibrations of bulkhead departs from gradually, to reach broken block object.Bunker wall vibration device must be in its effect of position competence exertion of knot arch, because knot arch, the blocking position of coal bunker are uncertain, its position constantly changes, if can make chute blockage shake more closely knit and more closely knit when vibrator encircles above position in tying, and vibrator easily causes bulkhead to damage, as bulkhead shatters etc.
3, air bubble, the working medium of air bubble is pressurized air, its major part comprises storage tank, electromagnetism main stop valve and control system etc.In the time that main stop valve is opened fast, air cannon storage tank compressed air pressure difference effect and form the at a high speed strong air flow of ejection, block part in the direct impacting house of kinetic energy air again flows coal grain under Action of Gravity Field.Air bubble must, in its effect of the position competence exertion of knot arch, because the knot of coal bunker encircles, blocking position is uncertain, constantly change with cause influence positions such as atures of coal, in the time that air bubble is above knot arch position, can make coal rush more closely knit and more closely knit.And the baffle plate of air bubble and warehouse inwall connection location has increased the friction coefficient of wall, thereby increase the probability of chute blockage.
4, loosening machine, the mechanical energy that coal bunker loosening machine is produced by hydraulic power unit conventionally, by the hydraulic ram in bulkhead outside, drives coal plough crank motion in feed bin, utilizes the raw coal of its plough coal blade scraping bottleneck area simultaneously, destroy its closely knit extrusion structure, recover flowing of coal.Due to the impacts of the baffle plate of hydraulic actuating cylinder and a large amount of plough coal blades, bulkhead friction drag is increased, increase the probability of chute blockage, particularly in the exit position of warehouse.Because loosening machine can only straight-line motion, and coal bunker bottom is the position of easy chute blockage, and its angle changes conventionally, causes bottom cannot carry out block clearing, and hydraulic efficiency pressure system easily goes wrong, and causes system normally to move.
5, on inner barn wall, add corrosion-resistant steel or PU plate liner, reduce inwall friction coefficient by liner special material, but liner easily comes off, cause bulkhead rough, thereby cause friction force to increase, result in blockage, and PU liner plate thickness is generally in 30mm left and right, after lined, cause discharging opening size reduction, easily result in blockage.
Summary of the invention
The invention provides a kind of high pressure gas devote every effort to help stream and bring down stocks equipment, it adopts stable compressed gas source, in conjunction with the utilization of water, makes obstruction place be subject to dual cutting, according to feed bin operating mode, utilizes effective combination of G&W, and existing block clearing function can prevent from again stopping up.
A kind of method of bringing down stocks that provides high pressure gas devote every effort to help stream to bring down stocks equipment is another goal of the invention of the present invention.
In order to solve the technical matters of above-mentioned existence, the invention provides a kind of high pressure gas devote every effort to help stream and bring down stocks equipment: a kind of high pressure gas devote every effort to help stream is brought down stocks equipment, comprise controller 8, air compressor 9, pipeline system 10, it is characterized in that: controller 8 is controlled respectively the high pressure water that oscillating gas that air compressor 9 occurs produces with water pump 2 and is connected feed bin 11 by pipeline system 10, described controller 8 is by casing, touch-screen and PLC composition, vibration air flow pressure size after described air compressor 9 is changed is 1MPa～15MPa, frequency is 200 beats/min, described pipeline system 10 is by tracheae, water pipe, control path, the compositions such as electromagnetic valve, described controller 8 comprises following setting options: a, soak the time, for system adds the water-soaked time, unit second (S), b, air valve work-hours, for the each air valve of system is inflated the time, unit second (S), c, air pump refueling time are each time of refueling of air pump, unit second (S), d, next circular wait time, be the wait time of system the first to second working cycle, unit minute (MIN), e, air pump filling cycle, be the air pump filling cycle time, and unit minute (MIN) wherein sprays that to help the interval time of stream and the setting range precision of circular wait time be 0.01s.
The vibration air stream that described air compressor 9 produces distributes with 1～30 any layout combination at feed bin (11) sidewall by pipeline system 10.
Described touch-screen provides full Chinese Windows operation interface and monitoring in real time, thereby realizes remote monitor and control and networking control.
Described PLC is for the logical process of on-off signal in casing, and with the on-the-spot interface of user.
The present invention compared with prior art has the following advantages: this equipment, in the time that feed bin occurs to stop up, uses high pressure gas, orderly piping and druming and the cutting of water, destroys the leakproofness of inaccessible faulty section, impels material in feed bin to recover to flow and carry; In the time of normal work, the easy Zhan Cang of the piping and druming bulkhead position that high-voltage oscillation gas is orderly, make material to be stained with may dropping to of storehouse minimum, thereby accomplish positive Initiative Defense, passive block clearing, checks erroneous ideas at the outset, and stops all possibility blocking factors, guarantee material is carried smoothly, has guaranteed to produce and has carried out smoothly.
Accompanying drawing explanation
Fig. 1 is the high pressure water ancillary system schematic diagram of invention;
Fig. 2 is the system architecture schematic diagram of invention;
Wherein: 1, filter, 2, water pump, 3, motor, 4, by pass valve, 5, compression indicator, 6, electromagnetic valve, 7, check valve, 8, controller, 9, air compressor, 10, pipeline system, 11, feed bin.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is elaborated further:
High pressure water ancillary system as shown in Figure 1, is controlled by the controller 8 in Fig. 2, and water pump 2 is input into feed bin 11 by pipeline system 10 by water.Native system is parallel system as shown in Figure 1, and in the situation that damaging a strip transmission line road, system still can normally be moved.Native system is Pneumatic System slave part, to increase material air tight, thereby has strengthened strength work validity.
In Fig. 2, a kind of high pressure gas devote every effort to help stream equipment of bringing down stocks is mainly made up of controller 8, air compressor 9, pipeline system 10 etc.
Described controller 8 is made up of casing, touch-screen and PLC etc.Touch-screen provides friendly full Chinese Windows monitoring and operation interface, can realize remote monitor and control and networking control simultaneously; Inside PLC is for the logical process of on-off signal in cabinet, can with the on-the-spot interface of user.
Described air compressor 9 is converted to pressure size for 1MP～15MP air, frequency is the vibration air stream of 200 beats/min, connect feed bin 11 and distribute at feed bin 11 sidewall multiple spots by pipeline system 10, trace is controlled and is thrown in storehouse and act on material, make material produce vibration, thereby reach broken arch, loosen and help the effect of stream.
Described pipeline system 10 is made up of control path, tracheae, water pipe, electromagnetic valve and dispersal valve, can, vibration air and water security, quantitatively send feed bin to by these components and parts, and safe and effective work.
When work, the parameter of controller need be first set, concrete operation step is as described below: start controller and enter initial picture, press " ALM " key and enter Password Operations interface, make " opening password " bar highlighted by " ∧ " or " ∨ ", press " ENT " key and enter password input, by " ∧ " " ∨ " " < " " > " input password 5000, press " ENT " key and can open password, press " ESC " key and exit; Press " SET " key and enter parameter setting interface, press " SET " key and select the parameter that need to set, revise setting value by " ∧ " " ∨ " " < " " > " or numerical key, press " ENT " key and confirm to set.Parameter setting interface comprises following setting: 1, soaks the time, and for system adds the water-soaked time, unit second (S); 2, air valve work-hours, for the each air valve of system is inflated the time, unit second (S); 3, air pump refueling time is each time of refueling of air pump, unit second (S); 4, next circular wait time, is the wait time of system the first to second working cycle, unit minute (MIN); 5, air pump filling cycle, is the air pump filling cycle time, and unit minute (MIN) wherein sprays and helps the interval time of stream and the setting range precision of circular wait time can reach 0.01s.
" system start button " system of after setting parameter completes, pressing is started working, and the gas that air compressor 9 occurs first imports gas tank storage, and storage tank connects feed bin 11 by pipeline system 10; Water pump 2 starts, and connects feed bin 11 by pipeline system 10.In the situation that the normal production of feed bin 11 not yet has putty, use high-voltage oscillation gas circulation fixed fire formula loose, make material to be stained with may dropping to of storehouse minimum; Also can help any layout combination of stream order to help head piece according to different process requirements and different injections, its process is: controller 8 control gas or water by pipeline system 10 real-time to the interior inject high pressure oscillating gas of feed bin 11 or water, its method is as described below: first inflate, get hole, make material loosening; Fetch water again, soak material, increase the leakproofness of material; Inflate, material departs from bulkhead again, impels material in feed bin to recover to flow and carry.
Below by reference to the accompanying drawings embodiments of the present invention are described; but these explanations can not be understood to limit scope of the present invention; any change in the claims in the present invention is all protection scope of the present invention; and part is not described in invention in detail, is those skilled in the art of the present technique's known technology.
Claims (4)
1. a high pressure gas devote every effort to help stream is brought down stocks equipment, comprise controller (8), air compressor (9), pipeline system (10), it is characterized in that: the oscillating gas that controller (8) is controlled respectively air compressor (9) generation is connected feed bin (11) with the high pressure water that water pump (2) produces by pipeline system (10), described controller (8) is by casing, touch-screen and PLC composition, vibration air flow pressure size after described air compressor (9) is changed is 1MPa～15MPa, frequency is 200 beats/min, described pipeline system (10) is by tracheae, water pipe, control path, electromagnetic valve composition, described controller (8) comprises following setting options: a, soak the time, for system adds the water-soaked time, unit second (S), b, air valve work-hours, for the each air valve of system is inflated the time, unit second (S), c, air pump refueling time are each time of refueling of air pump, unit second (S), d, next circular wait time, be the wait time of system the first to second working cycle, unit minute (MIN), e, air pump filling cycle, be the air pump filling cycle time, and unit minute (MIN) wherein sprays that to help the interval time of stream and the setting range precision of circular wait time be 0.01s.
2. a kind of high pressure gas devote every effort to help stream according to claim 1 is brought down stocks equipment, it is characterized in that: the vibration air stream that described air compressor (9) produces distributes with 1～30 any layout combination at feed bin (11) sidewall by pipeline system (10).
3. a kind of high pressure gas devote every effort to help stream according to claim 1 is brought down stocks equipment, it is characterized in that: the touch-screen of described controller (8) provides full Chinese Windows operation interface and monitoring in real time, thereby realizes remote monitor and control and networking control.
4. a kind of high pressure gas devote every effort to help stream according to claim 1 is brought down stocks equipment, it is characterized in that: described PLC is for the logical process of on-off signal in casing, and with the on-the-spot interface of user.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210101442.6A CN102633068B (en) | 2012-04-10 | 2012-04-10 | High-pressure air force flow-assistant cabin clearing equipment and cabin clearing method thereof |
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| CN201210101442.6A CN102633068B (en) | 2012-04-10 | 2012-04-10 | High-pressure air force flow-assistant cabin clearing equipment and cabin clearing method thereof |
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| CN102633068B true CN102633068B (en) | 2014-07-09 |
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| CN105080639A (en) * | 2015-09-08 | 2015-11-25 | 徐州市全中电力科技有限公司 | Coal pulverizer equipment |
| CN108341174A (en) * | 2018-05-07 | 2018-07-31 | 夏友亮 | The anti-bl bridge layer of one plant feed bin and its working method |
| CN111994488A (en) * | 2020-10-10 | 2020-11-27 | 淮南矿业(集团)有限责任公司 | Composite type product bin commercial coal wall hanging cleaning method |
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| JP3095950B2 (en) * | 1994-06-20 | 2000-10-10 | 日本カーボン株式会社 | Powder bridge prevention mechanism using porous material |
| DE19701017A1 (en) * | 1997-01-14 | 1998-07-16 | Boehner Maria | Method of activating flow of bulk goods by compressed air or gas |
| CN2633806Y (en) * | 2003-09-10 | 2004-08-18 | 周利庆 | Dredging device for coal bunker blocking water cannon |
| CN200957958Y (en) * | 2006-09-30 | 2007-10-10 | 孙荣军 | Storage-bin dredger |
| CN101654177B (en) * | 2009-09-05 | 2011-05-11 | 中钢集团马鞍山矿山研究院有限公司 | Device for eliminating blocking stocks from reinforced concrete ore bin and using method thereof |
| CN201545393U (en) * | 2009-10-30 | 2010-08-11 | 济南鲁盟电力科技发展有限公司 | Air cannon clean-up device |
| CN202784425U (en) * | 2012-04-10 | 2013-03-13 | 杨安奇 | High pressure air force flow-assisting bin-cleaning device |
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