CN205771733U - Feeder dust arrester - Google Patents
Feeder dust arrester Download PDFInfo
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- CN205771733U CN205771733U CN201620439102.8U CN201620439102U CN205771733U CN 205771733 U CN205771733 U CN 205771733U CN 201620439102 U CN201620439102 U CN 201620439102U CN 205771733 U CN205771733 U CN 205771733U
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- dust arrester
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Abstract
This utility model provides a kind of feeder dust arrester, including: silo, the bottom of silo is provided with discharging opening；Conveyer device, conveyer device is arranged on the lower section of discharging opening；Material blanking tube, material blanking tube is arranged between silo and conveyer device, and one end of material blanking tube is connected with discharging opening, and the other end of material blanking tube is connected with conveyer device；Seal closure, seal closure is arranged on the top of conveyer device and cooperatively forms the transfer passage of closing with conveyer device；Nebulization dust device, nebulization dust device is arranged in transfer passage.The technical solution of the utility model efficiently solves the problem that the dust pollution of feeder of the prior art is more serious.
Description
Technical field
This utility model relates to the technical field of dust arrester, in particular to a kind of feeder dust arrester.
Background technology
Due to raw coal crush, transport, reprint, store, sieve, the complexity of washing process, the always choosing of dust Control problem
One significant technology issues in coal works, is also one of the most common difficult problem paid close attention to emphasis tackling key problem.
Feature that characteristic that coal preparation plant due to dry natural conditions, mines raw coal frangible, production technology and equipment flow process are complicated,
Former bag-type dust design dust control equipment system unreasonable etc. reason so that the pollution that dust causes is extremely serious, dust
Concentration reaches 200～2660mg/m3.Not only cause production safety A level hidden danger, and the body of production management personnel in serious harm
Body is healthy, constrains the normal performance of management essentials effect because of management environment simultaneously, reduces coal preparation plant management level.Although throwing
Enter substantial contribution, carry out continual research and improvement, dust through coal preparation plant and designing unit, manufacturer and relevant unit
Concentration range is still 40～505mg/m3, full factory average ground dust fall amount reaches 44.18t/d.
At present, both at home and abroad for cleaner, the atomising device efficiently catching dirt medicament, water etc. study more, but be the absence of tool
Control dirt technology targetedly, the optimization design and the crucial former that more lack dust prevention and control integrated artistic scheme select and part
The research and development of extraordinary auxiliary equipment, are extremely difficult to the treating flour dust effect of anticipation.
Utility model content
Main purpose of the present utility model is to provide a kind of feeder dust arrester, to solve the powder of feeder of the prior art
The problem that dustiness dye is more serious.
To achieve these goals, this utility model provides a kind of feeder dust arrester, including: silo, the bottom of silo
It is provided with discharging opening；Conveyer device, conveyer device is arranged on the lower section of discharging opening；Material blanking tube, material blanking tube is arranged on silo and defeated
Sending between device, one end of material blanking tube is connected with discharging opening, and the other end of material blanking tube is connected with conveyer device；Seal closure,
Seal closure is arranged on the top of conveyer device and cooperatively forms the transfer passage of closing with conveyer device；Nebulization dust device, atomization removes
Dirt device is arranged in transfer passage.
Further, conveyer device includes batcher and conveyer belt, and batcher includes material receiving end and discharge end, and material receiving end is arranged on
The lower section of discharging opening, conveyer belt is arranged at the discharge end of batcher.
Further, seal closure includes the first seal closure and the second seal closure, and the first seal closure is arranged on the top of batcher, the
Two seal closures are arranged on the top of conveyer belt.
Further, batcher is oscillating feeder, and the sealing structure between batcher and the second seal closure is magnetic soft seal.
Further, feeder dust arrester includes that collection bucket, collection bucket from top to bottom gradually taper up, and the upper end of collection bucket is corresponding
In discharge end, the lower end of collection bucket connects with transfer passage.
Further, multistage depositing dust curtain it is provided with in transfer passage.
Further, nebulization dust device includes shower nozzle, pipeline and air compressor machine, and pipeline is connected between shower nozzle and air compressor machine, spray
Head is arranged in transfer passage.
Further, feeder dust arrester also includes valve, and valve is arranged between silo and material blanking tube.
Further, feeder dust arrester also includes observation window, and observation window is arranged on the top of seal closure.
Further, feeder dust arrester also include controller and dust monitor, dust monitor and nebulization dust device all with
Controller connects, and dust monitor is arranged in transfer passage.
Application the technical solution of the utility model, coal dust has substantial amounts of coal dust by material blanking tube from silo entrance conveyer device and flies upward,
The coal dust major part flown upward mixes with water smoke and the coal dust of the ejection of nebulization dust device, and the mixture of such coal dust and water smoke is from heavy sensation of the body
Under power effect, the effect of depositing dust is played in sedimentation.Remaining a small amount of coal dust is sealed by seal closure and will not fly out transfer passage and cause ring
The pollution in border.The problem that the dust pollution of the feeder that the technical solution of the utility model efficiently solves prior art is more serious.
Accompanying drawing explanation
The Figure of description of the part constituting the application is used for providing being further appreciated by of the present utility model, of the present utility model
Schematic description and description is used for explaining this utility model, is not intended that improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 shows the structural representation of the embodiment according to feeder dust arrester of the present utility model.
Wherein, above-mentioned accompanying drawing includes the following drawings labelling:
10, silo；20, conveyer device；21, batcher；22, conveyer belt；30, material blanking tube；40, seal closure；41、
First seal closure；42, the second seal closure；50, nebulization dust device；60, valve；70, observation window.
Detailed description of the invention
It should be noted that in the case of not conflicting, the embodiment in the application and the feature in embodiment can be mutually combined.
Describe this utility model below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
As it is shown in figure 1, the feeder dust arrester of the present embodiment includes: silo 10, conveyer device 20, material blanking tube 30, sealing
Cover 40 and nebulization dust device 50.The bottom of silo 10 is provided with discharging opening.Conveyer device 20 is arranged on the lower section of discharging opening.Fall
Material pipe 30 is arranged between silo 10 and conveyer device 20, and one end of material blanking tube 30 is connected with discharging opening, material blanking tube 30
The other end is connected with conveyer device 20.Seal closure 40 is arranged on the top of conveyer device 20 and coordinates shape with conveyer device 20
Become the transfer passage closed.Nebulization dust device 50 is arranged in transfer passage.
The technical scheme of application the present embodiment, coal dust enters conveyer device 20 by material blanking tube 30 from silo 10 and has substantial amounts of coal
Powder flies upward, and the coal dust major part flown upward mixes with water smoke and the coal dust of nebulization dust device 50 ejection, such coal dust and the mixing of water smoke
Thing settles the effect playing depositing dust under self gravitation effect.Remaining a small amount of coal dust is sealed, by seal closure 40, the conveying that will not fly out
Passage and cause the pollution of environment.The technical scheme of the present embodiment efficiently solves the dust pollution of the feeder of prior art relatively
Serious problem.
As it is shown in figure 1, in the technical scheme of the present embodiment, conveyer device 20 includes batcher 21 and conveyer belt 22, feed
Machine 21 includes material receiving end and discharge end, and material receiving end is arranged on the lower section of discharging opening, and conveyer belt 22 is arranged on the discharging of batcher 21
At end.Said structure is arranged simply, easily operates.
As it is shown in figure 1, in the technical scheme of the present embodiment, seal closure 40 includes the first seal closure 41 and the second seal closure 42,
First seal closure 41 is arranged on the top of batcher 21, and the second seal closure 42 is arranged on the top of conveyer belt 22.First seals
Cover 41 coordinates with batcher 21, and the structure that the second seal closure 42 coordinates with conveyer belt 22 is easily worked, installs.Specifically,
The discharge end of batcher 21 stretches in the second seal closure 42, and such structure ensure that between batcher 21 and seal closure 40
Seal.
As it is shown in figure 1, in the technical scheme of the present embodiment, batcher 21 is oscillating feeder, and batcher 21 is close with second
Sealing structure between sealing cover 42 is magnetic soft seal.Oscillating feeder constantly vibrates when carrying material to conveyer belt 22,
So easily the material on oscillating feeder is delivered to conveyer belt 22 at short notice.On the one hand said structure improves material
Efficiency of transmission, on the other hand avoids material and is attached on batcher.Certainly, as one skilled in the art will appreciate that magnetic is soft
Sealing could be arranged to multilamellar, so can improve sealing property.
As it is shown in figure 1, in the technical scheme of the present embodiment, feeder dust arrester includes collection bucket, collection bucket is from top to bottom
Gradually tapering up, the upper end of collection bucket corresponds to discharge end, and the lower end of collection bucket connects with transfer passage.The discharge end of batcher is
Main plays dirt pits, and when the material on batcher 21 falls into conveyer belt 22, substantial amounts of dust of kicking up, the dust kicked up runs into
During the sudden enlargement of space, the speed of dust reduces, and such dust easily settles under self gravitation effect.Certainly, as ability
Field technique personnel know, transfer passage can arrange multiple volume expansion structure (i.e. collection bucket), and such dust is easily at self gravitation
The lower sedimentation of effect, alleviates the dedusting burden of the cleaners such as nebulization dust device.
Said structure is properly termed as inertial settling device, the belt conveyor (transfer point) that this device is used primarily under vibrosieve, uses
Comprehensively utilize with nebulization dust device 50, rationally select atomizer position according to field condition.
The core of inertial settling is effectively to be reduced the inertia force of dust by certain technical approach so that dust is at single air
Under drag effect, obtaining rapid subsidence in limited space, this technical approach is exactly inertial settling device.
Different dust points has different inertial settling forms, but basic ideas are consistent.It is usually the closeest at dust point
By reducing inertia force device, dilatation slow resistance device, release of pressure circulating device composition on the basis of envelope.
First inertial settling device is the speed of service reducing material in inertia buffer unit, as a example by transfer point, by changing
The spatial form of material blanking tube, increases material box material blanking tube contact probability and reduces the decrease speed of blanking, by changing connecing of discharging point
Touch direction, reduce impulsive force, can effectively alleviate dust inertia force.
Inertia buffer unit rear class enters dilatation slow resistance device, the further reduction of speed of dust, larger particles after multistage safety barrier
Dust (thick dirt) settle completely, the 60-80% about accounting for dust-producing amount is settled.
Release of pressure circulating device is the malleation of dust point to be alleviated so that the air-flow after resistance device is delayed in dilatation enters stable phase, surely
Multistage settling curtain is periodically set in deflector chute, as far as possible it is settled with dust (small particle).
(not shown) in the technical scheme of the present embodiment, is provided with multistage depositing dust curtain in transfer passage.The dust kicked up exists
When moving in transfer passage, can be stopped by depositing dust curtain, the dust speed stopped reduces easily sedimentation.Further
Reduce the burden of the cleaners such as nebulization dust device.
As it is shown in figure 1, in the technical scheme of the present embodiment, nebulization dust device 50 includes that (the present embodiment specifically uses ultrasonic mist to shower nozzle
Change resonance head), pipeline and air compressor machine, pipeline is connected between shower nozzle and air compressor machine, and shower nozzle is arranged in transfer passage.Said structure
Arrange simple.
Nebulization dust device 50 includes: four parts such as automatically controlled part, source of the gas part, water purifying portion, spraying assembly.
Nebulization dust device 50 is to be driven sound wave vibrator by air compressor machine, and being acted on by the sonic boom of high frequency sound wave will at shower nozzle resonant chamber
Water high atomisation, the fine water-spray granule (mist below diameter 10 μm claims dry fog) producing below 10 μm has sprayed to dirt pits, has made
Water fog particle and dust granules mutually collide, bond, coalesce increase, and settle under self gravitation effect, reach the effect of dust suppression.
Nebulization dust device 50 uses modularity design technology.By dry fog machine, aqueous vapor allotter (or dry fog case controller), universal joint
Assembly (or dry fog box assembly), screw air compressor, aqueous vapor connect the groups such as pipeline, electric tracer heating system and automatic control system
Become.
Dry fog machine
Dry fog machine is by after gas and water filtration, controls by switching programme with the air pressure set, hydraulic pressure, throughput, discharge
Valve opens or closes, in pipeline is transported to aqueous vapor allotter (or dry fog box assembly), it is achieved spray dust-arrest.It is by automatically controlled
System, multifunction control system, flow control system form.It is arranged in the casing of IP55 standard, has Inlet and outlet water air pipe interface,
Text display it is furnished with on panel.
Electric-control system
The control to whole system is realized for control centre by touch screen with PLC.Electric-control system is the control of nebulization dust device 50
Center, has gathered Programmable Logic Controller, protection circuit, relay and the components and parts being associated with.Provide the user automatically
With manual 2 kinds of operator schemes, when automatic operation mode, can automatic reception Remote triggering signal enabling or stop aerosol apparatus spraying；
At manual mode, operator can start or stop aerosol apparatus spraying with pressing operation button.User can also be arranged by PLC
Interface amendment spray cycles and the blowing pipeline time etc..
The control signal of dry fog machine with field apparatus is coupled together by automatic control system, in order to realize automatically controlling.
Screw air compressor
Screw air compressor provides standard source of the gas for nebulization dust device 50, and it uses microcomputer-recognized intelligent monitoring system, automatically
Changing and run, warm Chinese and English man machine interface, touch key, operator just can be by the word at interface without Special Training
Compressor behavior parameter is easily inquired about by prompting, and can realize that compressor is manual, the conversion of automatic running status.
Aqueous vapor allotter (dry fog case controller)
By the connection to its control realization water, gas and electricity Trunk Line Yu universal joint assembly (or dry fog box assembly), and according to on-the-spot feelings
Condition is sprayed respectively by each universal joint assembly of PLC control realization (or dry fog box assembly).
Universal joint assembly (or dry fog box assembly)
Receive the gas and water come by the conveying of dry fog machine and convert it into the dry fog that particle diameter is 1～10 μm and eject, by dry
The control instruction of mist machine sprays to dust suppression point.When dry fog and dust granules contact with each other, collide, make dust granules mutually bond,
Cohesion becomes big, and settles under the action of gravity of self, thus reaches the effect of dust suppression.
Pipeline
Pipeline (be referred to as aqueous vapor and connect pipeline) is to be used in dry fog machine, screw air compressor, air accumulator and water source etc.
The hard tube of different tube diameters couples together on request.
Electric tracer heating system
Electric tracer heating system is distributed on dry fog machine, aerosol apparatus assembly and water, air pipe, starts when ambient temperature is less than+5 DEG C.
As it is shown in figure 1, in the technical scheme of the present embodiment, feeder dust arrester also includes that valve 60, valve 60 are arranged on
Between silo 10 and material blanking tube 30.The rate of outflow of the material in silo 10 can be controlled by said structure as required.
Gap between valve 60 is provided with brush seal.
As it is shown in figure 1, in the technical scheme of the present embodiment, feeder dust arrester also includes that observation window 70, observation window 70 set
Put above seal closure 40.The one side that arranges of said structure facilitates look at the running status of conveyer device, another aspect side
Just the checking maintenance of feeder dust arrester.
As it is shown in figure 1, in the technical scheme of the present embodiment, feeder dust arrester also includes controller, controller also includes
Dust monitor, dust monitor is arranged in transfer passage.Controller is connected with nebulization dust device 50.Dust monitor detects
To dust more time, controller controls nebulization dust device 50 and improves the power of nebulization dust device 50, when dust monitor detects
When dust is less, controller controls nebulization dust device 50 and reduces the power of nebulization dust device 50.For preferably playing dustproof facilities
Effect, the normal use of supervision dust prevention, it is ensured that dust-proof effect, simultaneously for guaranteeing safe production, prevent coal-dust explosion thing
Therefore, at main dust place configuration dust monitors such as feeders, (dust monitor includes sensor of dust concentration and deposition coal dust
Sensor), and set up monitoring platform.
Dust is one of principal element affecting coal preparation plant's highly effective and safe clear production.Dust not only pollutes environment, infringement workman's
Occupational health, also can accelerate the abrasion of equipment simultaneously, make product quality decline, when certain dust granules reaches finite concentration also
Can set off an explosion.
The when of selecting cleaner unit, according to the dust mechanism of each equipment, field condition etc. considers, integrated configuration, this
Sample just can make the dust of whole production line be inhibited, and plays the economic benefit of maximum.
This patent devises feeder dust arrester and system for coal washery feeder.Specific purposes have a following characteristics:
First, according to the classification of dirt source point and dust feature, use the strategy of " point source comprehensive control ", vibrosieve dedusting is used
The scheme of comprehensive control；
Second, according to the dust mechanism of feeder, field condition etc. considers, integrated configuration；
3rd, configure inertial settling+ultrasonic atomizatio cleaner unit, by feeder dust gathering arrester, magnetic soft seal, ultrasonic atomizatio assembly,
Control units etc. are constituted, and increase dust control facility.
Play dirt due to windrow friction of motion during feeder work, dust, batcher and its front blanking between body gap, can be produced
Also dust can be produced between pipe.Above batcher 21 configure seal closure 40 airtight to it, at body gap inside install resistance to
Mill soft seal and trailing type compress and seal, and use magnetic soft seal between batcher 21 and its anterior discharging groove, and at batcher 21
Arrange some shower nozzles with on anterior discharging groove, make batcher 21 operationally above it and blanking position be full of water smoke, fill with dust
Divide and combine fall chalk dust removing.
Batcher 21 is association of activity and inertia sealing, it is ensured that dedusting space.Use rigidity guard shield at static seal, and install additional and beneficially examine
The IP formula observation window 70 repaiied and observe.Movable sealing between batcher 21 and seal closure 40 uses special magnetic soft seal.Valve
Owing to there being gap at 60, opaque material is easy to excessive, so install brush soft seal additional herein.
Meanwhile, feeder inwall both sides and rear portion, install internal follower additional and seal structure, stoping internal dust from supporting plate both sides and
Rear side gaps overflows.Through above seal approach, in conjunction with the high efficiency of ultrasonic atomizatio cleaner unit, preferable dedusting can be reached
Effect.
Employing nebulization dust+inertial settling+dust control dust arrester, post, sieving approach workshop dust concentration is drawn by experiment
Less than 4mg/m3, dust emission concentration reaches discharging standards.Preferably play the effect of dustproof facilities, supervise dust-proof arranging
The normal use executed, it is ensured that dust-proof effect, ensure that safety in production, prevention dust explosion accident simultaneously.
1, system solution takes full advantage of the service condition of existing equipment, improves and improve corresponding effect on its basis, fall
Low input cost and operating cost, install easily, and intellectualized operation is simple, easy maintenance；
2, owing to using combined dust-eliminating system, with strong points, systematicness is high, and the dust that can control whole production line produces, in advance
Estimating after equipment runs well, total suppression ratio of on-the-spot dust can reach more than 90%, and meet the requirement of environmental protection；
3, device intelligence degree is high, can realize more many control according to customer requirement and require and monitoring in real time, and equipment can be joined
Put telecommunication system, can display device state and relevant operating parameter in real time, if it occur that fault, can carry out the very first time and
Time effectively safeguard, truly reach high and control efficient dust removal requirement；
4, energy-efficient, non-secondary pollution.The dust produced is directly discharged in induction system by feeder dust arrester, nothing
Secondary pollution, and improve economic benefit.
The foregoing is only preferred embodiment of the present utility model, be not limited to this utility model, for this area
For technical staff, this utility model can have various modifications and variations.All within spirit of the present utility model and principle, institute
Any modification, equivalent substitution and improvement etc. made, within should be included in protection domain of the present utility model.
Claims (10)
1. a feeder dust arrester, it is characterised in that including:
Silo (10), the bottom of described silo (10) is provided with discharging opening；
Conveyer device (20), described conveyer device (20) is arranged on the lower section of described discharging opening；
Material blanking tube (30), described material blanking tube (30) is arranged between described silo (10) and described conveyer device (20),
One end of described material blanking tube (30) is connected with described discharging opening, the other end of described material blanking tube (30) and described conveying
Device (20) is connected；
Seal closure (40), described seal closure (40) is arranged on the top of described conveyer device (20) and fills with described conveying
Put (20) and cooperatively form the transfer passage of closing；
Nebulization dust device (50), described nebulization dust device (50) is arranged in described transfer passage.
Feeder dust arrester the most according to claim 1, it is characterised in that described conveyer device (20) includes batcher
(21) and conveyer belt (22), to include that material receiving end and discharge end, described material receiving end are arranged on described for described batcher (21)
The lower section of discharging opening, described conveyer belt (22) is arranged at the discharge end of described batcher (21).
Feeder dust arrester the most according to claim 2, it is characterised in that described seal closure (40) includes the first sealing
Cover (41) and the second seal closure (42), described first seal closure (41) is arranged on the top of described batcher (21),
Described second seal closure (42) is arranged on the top of described conveyer belt (22).
Feeder dust arrester the most according to claim 3, it is characterised in that described batcher (21) is oscillating feeder,
Sealing structure between described batcher (21) and described second seal closure (42) is magnetic soft seal.
Feeder dust arrester the most according to claim 2, it is characterised in that described feeder dust arrester includes collection bucket,
Described collection bucket from top to bottom gradually tapers up, and the upper end of described collection bucket corresponds to described discharge end, under described collection bucket
End connects with described transfer passage.
Feeder dust arrester the most according to claim 5, it is characterised in that be provided with multistage depositing dust in described transfer passage
Curtain.
Feeder dust arrester the most according to claim 1, it is characterised in that described nebulization dust device (50) include shower nozzle,
Pipeline and air compressor machine, described pipeline is connected between described shower nozzle and described air compressor machine, and described shower nozzle is arranged at described defeated
In sending passage.
Feeder dust arrester the most according to claim 1, it is characterised in that described feeder dust arrester also includes valve
(60), described valve (60) is arranged between described silo (10) and described material blanking tube (30).
Feeder dust arrester the most according to claim 1, it is characterised in that described feeder dust arrester also includes observing
Window (70), described observation window (70) is arranged on the top of described seal closure (40).
Feeder dust arrester the most according to claim 1, it is characterised in that described feeder dust arrester also includes controlling
Device and dust monitor, described dust monitor and described nebulization dust device (50) are all connected with described controller, described
Dust monitor is arranged in described transfer passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620439102.8U CN205771733U (en) | 2016-05-13 | 2016-05-13 | Feeder dust arrester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620439102.8U CN205771733U (en) | 2016-05-13 | 2016-05-13 | Feeder dust arrester |
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| Publication Number | Publication Date |
|---|---|
| CN205771733U true CN205771733U (en) | 2016-12-07 |
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ID=57409988
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620439102.8U Active CN205771733U (en) | 2016-05-13 | 2016-05-13 | Feeder dust arrester |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106629148A (en) * | 2016-12-27 | 2017-05-10 | 神华集团有限责任公司 | Coal mine cylinder bin dust preventing and inhibiting system |
| CN110980341A (en) * | 2019-12-17 | 2020-04-10 | 神华粤电珠海港煤炭码头有限责任公司 | Ship unloaders dry fog presses down dirt system |
| CN111661598A (en) * | 2020-05-26 | 2020-09-15 | 中国能源建设集团广东省电力设计研究院有限公司 | Spiral coal feeder for turnover coal unloading system |
| CN117585488A (en) * | 2024-01-19 | 2024-02-23 | 云南西南水泥有限公司 | Closed belt conveyor of cement raw materials |
-
2016
- 2016-05-13 CN CN201620439102.8U patent/CN205771733U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106629148A (en) * | 2016-12-27 | 2017-05-10 | 神华集团有限责任公司 | Coal mine cylinder bin dust preventing and inhibiting system |
| CN110980341A (en) * | 2019-12-17 | 2020-04-10 | 神华粤电珠海港煤炭码头有限责任公司 | Ship unloaders dry fog presses down dirt system |
| CN111661598A (en) * | 2020-05-26 | 2020-09-15 | 中国能源建设集团广东省电力设计研究院有限公司 | Spiral coal feeder for turnover coal unloading system |
| CN117585488A (en) * | 2024-01-19 | 2024-02-23 | 云南西南水泥有限公司 | Closed belt conveyor of cement raw materials |
| CN117585488B (en) * | 2024-01-19 | 2024-05-10 | 云南西南水泥有限公司 | Closed belt conveyor of cement raw materials |
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