CN204710002U - A kind of jet self-excitation atomizing dust removing device for bucket-wheel stacker reclaimer treating flour dust - Google Patents
A kind of jet self-excitation atomizing dust removing device for bucket-wheel stacker reclaimer treating flour dust Download PDFInfo
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- CN204710002U CN204710002U CN201520197218.0U CN201520197218U CN204710002U CN 204710002 U CN204710002 U CN 204710002U CN 201520197218 U CN201520197218 U CN 201520197218U CN 204710002 U CN204710002 U CN 204710002U
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- 239000000428 dust Substances 0.000 title claims abstract description 90
- 235000013312 flour Nutrition 0.000 title claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 140
- 230000006837 decompression Effects 0.000 claims abstract description 27
- 239000007921 spray Substances 0.000 claims abstract description 21
- 230000001105 regulatory effect Effects 0.000 claims abstract description 18
- 238000005507 spraying Methods 0.000 claims abstract description 14
- 230000007246 mechanism Effects 0.000 claims description 8
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 claims description 4
- 230000001276 controlling effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 9
- 239000000779 smoke Substances 0.000 abstract description 9
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 238000005065 mining Methods 0.000 abstract description 2
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 8
- 238000000889 atomisation Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000000151 deposition Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 238000004581 coalescence Methods 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010410 dusting Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 125000001145 hydrido group Chemical class *[H] 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002663 nebulization Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 206010035653 pneumoconiosis Diseases 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Abstract
The utility model discloses a kind of jet self-excitation atomizing dust removing device for bucket-wheel stacker reclaimer treating flour dust, by water tank (1), water pump (2), feed-regulating valve (3), Pressure gauge (5), water fog nozzle (7) to be linked in sequence formation by feed pipe (4), it is characterized in that: filter (6) is set on feed pipe (4), feed-regulating valve (3) water inlet before feed pipe (4) on again tap one decompression water pipe (4 ＇), decompression water pipe (4 ＇) is provided with decompression water regulating valve (3 ＇), the delivery port of decompression water pipe (4 ＇) turns back to water tank (1).The utility model can be opened automatically according to the size of space dust concentration, close spraying system and control the size of spray amount, thus realizes jet self-excitation atomized dust settling and automatically control.The utility model has that efficiency of dust collection is high, energy consumption is low, atomizing effect is good, working service is easy, water smoke not by the advantage that ambient airflow affects, be applicable to the improvement of industrial and mining enterprises' charging appliance without control dust.
Description
Technical field
The utility model belongs to industrial dust Treatment process field, is specifically related to a kind of jet self-excitation atomizing dust removing device be made up of water pump, feed pipe, Pressure gauge, control valve, water fog nozzle, is applicable to the improvement of industrial and mining enterprises' bucket-wheel stacker reclaimer dust.
Background technology
Bucket-wheel stacker reclaimer is the main charging appliance such as iron and steel enterprise, bargh.Serious dust from flying can be there is in loading process.Different materials is in the process of loading, and the Dust Capacity that distributes is different, investigate according to the test of certain iron company, and the dust-producing amount of loading pellet is maximum, near dirt source within the scope of 50 m moment dust concentration up to 50 ~ 150mg/m
3.Because its operation process is open, therefore, its dust produced is a kind of without control dust, and the impact by Natural environment factors (wind speed, weather situation) is large, existing dedusting technology or dust removing effects is poor or operating cost is high.Improvement without control dust is a difficult problem always.Very big to harm without control dust, particularly fine dust wherein, easily causes pneumoconiosis.And because bucket-wheel stacker reclaimer cannot airtightly gather dust, be no matter the isolation from dust and trapping, or the tissue of air-flow and control, not yet there is perfect theory and means so far.
Bucket-wheel stacker reclaimer tradition depositing dust mode takes wet operation.At present, wet type depositing dust is the most widely used is atomizing de-dusting, and it is nozzle that spray for dust suppression adopts maximum at the scene, if nozzle bore is little, during the bad and environment for use condition difference of water quality, phenomenon of easily gaging somebody, causes spray for dust suppression weak effect.Total dust dustfall efficiency of this method is only 50% ~ 60%, only has 20% ~ 30% to the dustfall efficiency of respiration dust.For solving the problem, improving dust-laying effect, market having occurred the device for reducing dust such as sound wave atomisation, magnetic water spray, pre electrified spraying, foam dust-removing, high-pressure fog.The contact surface that these dust arresters have that atomizing effect is good, water consumption is low, droplet density is large, add spray film and grit, improve the advantage of water smoke individual particle to the arresting efficiency of respirable dust.But efficiency of dust collection is still lower, droplet diminishes and is subject to ambient airflow impact, and the life-span is also short, makes water smoke drift with the wind, can not fully arrive Chan Chen district.
Summary of the invention
The purpose of this utility model is exactly the problems referred to above existed for prior art, and provide a kind of and have that efficiency of dust collection is high, energy consumption is low, do not affect by wind direction, the jet self-excitation atomizing dust removing device for bucket-wheel stacker reclaimer treating flour dust that working service is easy.
For realizing above-mentioned purpose of the present utility model, a kind of jet self-excitation atomizing dust removing device for bucket-wheel stacker reclaimer treating flour dust of the utility model realizes by the following technical solutions:
A kind of jet self-excitation atomizing dust removing device for bucket-wheel stacker reclaimer treating flour dust of the utility model, to be linked in sequence by feed pipe by water tank, water pump, feed-regulating valve, Pressure gauge, water fog nozzle and to form, Pressure gauge is for reading the hydraulic pressure under different steady working condition.For preventing the nozzle hole blockage of water fog nozzle, feed pipe arranges filter; For convenience of the feed pressure regulated in feed pipe, tap one decompression water pipe again on the feed pipe before feed-regulating valve water inlet, decompression water pipe is provided with decompression water regulating valve, and the delivery port of decompression water pipe turns back to water tank.The clean water of different pressures can be provided for water fog nozzle by water pump and feed-regulating valve, decompression water regulating valve.Water is extracted out from water tank by water pump, by metre filter, enters the water inlet of water fog nozzle through Pressure gauge, controls flow, the value required for acquisition by feed-regulating valve, decompression water regulating valve.
For automatically regulating the water yield entering water fog nozzle, the utility model also arranges one and is used for opening and closing automatically water pump and the spraying automatic control system for controlling feed-regulating valve, decompression water regulating valve aperture size, the pressure of spraying is controlled by the aperture of adjustment feed-regulating valve, decompression water regulating valve, and the water of certain pressure realizes jet self-excitation atomization by water fog nozzle and catches dirt.
Described water pump adopts booster water pump to be good.
Described filter is y-type filter; Described water fog nozzle is the large spray gun of KOMET, is linked in sequence is formed by water inlet, hydro powered rotating mechanism, jet pipe, nozzle bore.The large spray gun of described KOMET adopts AP101 series to be good, and the water fog nozzle jet length of this type and construction far, minimumly can reach 29.5m.Nozzle bore adopts belt conveyor special nozzle ATU type.Within the scope of 0 ~ 360 °, arbitrarily can adjust the anglec of rotation of water fog nozzle, in course of injection, the rotary-jet of automatic steady can be realized completely, without the need to manual operation; Because komet large spray gun rotating mechanism is the design of non-ball bearing, adopt brake friction pair steadily to control water fog nozzle rotary speed, water fog nozzle, in use without the need to charging-up lubricant oil, makes water fog nozzle not need all the life to safeguard, greatly extends service life; And the large spray gun of komet depositing dust also can realize its outstanding jet atomization effect under low hydraulic condition, thus greatly can reduce energy cost.This water fog nozzle is nozzle bore ejection high-speed uniform water smoke under hydraulic pressure effect, and airborne dust particle and spray droplet collide, and airborne dust particle is caught cohesion by droplet, thus improve deadweight and naturally land, reach the object of depositing dust, in addition, a large amount of spray liquids can moistening material, greatly reduces dust-producing amount.
The operation principle of a kind of jet self-excitation atomizing dust removing device for bucket-wheel stacker reclaimer treating flour dust of the utility model is: during system works, and water fog nozzle aims at bucket wheel, and the bucket wheel of jet and rotation collides, and forms water smoke.Little droplet and the dust coalescence flown upward, catch dust on the one hand; On the other hand, large droplet and material collide again, realize secondary-atomizing, coalescence, seizure fine dust; Three is the moistening materials of atomized water, can reduce the generation of dust.
Jet is before shock, and the internal pressure suffered by water droplet and the external gas pressure and capillary pressure balance each other.Clash into after occurring, the Kinematic process (hydrodynamic processes of shock) of water droplet can be divided into two stages.In the first stage, when clashing into beginning, water droplet inside produces compressional wave, water droplet is divided into low-pressure area and higher-pressure region.Now water droplet is expanded faster than compressional wave front with the contact zone of the surface of solids, and compressional wave front not yet catches up with engagement edge for the moment.But arrived certain moment, compressional wave front catches up with engagement edge, compressional wave lift-off subsequently, the high pressure of adjacent edges fluid has made the scope of freedom can not maintain original position more, so the distortion of drop generation continuous print, but now not broken.In second stage, the breakup of drop forms many small water droplets and penetrates from edge with very high speed, this completes the process of clashing into atomization.The mechanism of jet self-excitation nebulization dust mainly inertial collision, retain, spread, condense, the multiple effect such as gravity, moistening material viscous dust comprehensive.
The equipment such as Pressure gauge are formed by connecting by water pipe, can provide the clean water of different pressures by water pump and feed-regulating valve, decompression water regulating valve for water fog nozzle.Water is extracted out from water tank by water pump, by metre filter, enters water fog nozzle through Pressure gauge, controls flow, the value required for acquisition by feed-regulating valve, decompression water regulating valve.The utility model can be opened automatically according to the size of space dust concentration, close the size of spraying system and control spray amount, thus realizes the automatic control of jet self-excitation atomized dust settling.
After a kind of jet self-excitation atomizing dust removing device for bucket-wheel stacker reclaimer treating flour dust of the utility model adopts above technical scheme, have the following advantages:
1. adopt booster water pump and water fog nozzle, make water smoke far firing range, atomizing effect good;
2. jet self-excitation atomization is in the process of atomization, experienced by twice shock, can increase the collision probability between droplet and grit, and different dust sizes can mate with water smoke particle diameter, effectively improves droplet to the capturing efficiency of dust;
3. most outstanding feature is exactly that the reliability of system cloud gray model improves greatly, phenomenon of not gaging somebody, and not by the impact of ambient airflow, all has higher efficiency of dust collection having wind and calm situation to without control dust;
4. dust removal performance is excellent, and resistance is low, and administer without control dust efficiency higher than 95%, the charging appliance that can be widely used in each industrial circle, without control treating flour dust, is a kind of desirable wet type dust-settling technology equipment.
Accompanying drawing explanation
Fig. 1 is the structural nexus schematic diagram of a kind of jet self-excitation atomizing dust removing device for bucket-wheel stacker reclaimer treating flour dust of the utility model.
Fig. 2 is the water fog nozzle schematic diagram that the utility model adopts.
Fig. 3 is the spraying automatic control system schematic diagram that the utility model adopts.
Reference numeral is:
1-water tank, 2-water pump, 3-feed-regulating valve, 3 ＇-decompression water regulating valve, 4-feed pipe, 4 ＇-decompression water pipe; 5-Pressure gauge, 6-filter, 7-water fog nozzle, 8-water inlet, 9-hydro powered rotating mechanism, 10-jet pipe, 11-nozzle bore.
Detailed description of the invention
For further describing the utility model, below in conjunction with accompanying drawing, a kind of jet self-excitation atomizing dust removing device for bucket-wheel stacker reclaimer treating flour dust of the utility model is described in further detail.
The structural nexus schematic diagram of a kind of jet self-excitation atomizing dust removing device for bucket-wheel stacker reclaimer treating flour dust of the utility model is as shown in Figure 1 found out, it to be linked in sequence by feed pipe 4 by water tank 1, water pump 2, feed-regulating valve 3, Pressure gauge 5, water fog nozzle 7 to form.Feed pipe 4 arranges filter 6, and filter 6 adopts y-type filter.Tap one decompression water pipe 4 ＇ again on feed pipe 4 before feed-regulating valve 3 is intake, decompression water pipe 4 ＇ is provided with decompression water regulating valve 3 ＇, and the delivery port of decompression water pipe 4 ＇ turns back to water tank 1 again.Pressure gauge 5 is for reading the hydraulic pressure under different steady working condition, and the pressure of spraying is controlled by the aperture of adjustment feed-regulating valve 3, decompression water regulating valve 3 ＇; Water under certain pressure aims at reclaimer bucket wheel by water fog nozzle 7, realizes bucket-wheel stacker reclaimer jet self-excitation atomized dust settling.
The water fog nozzle schematic diagram that the utility model as shown in Figure 2 adopts composition graphs 1 are found out, described water fog nozzle 7 be the large spray gun of KOMET, and AP101 is serial.Water fog nozzle 7 is linked in sequence is formed by water inlet 8, hydro powered rotating mechanism 9, jet pipe 10, nozzle bore 11.Nozzle bore 11 is made up of core body and housing two parts, and housing is threaded onto on core body.The water provided by water pump 2 enters in the jet pipe 10 of water fog nozzle by water inlet 8, sprays the jet water smoke of certain speed finally by nozzle bore 11.The water that water fog nozzle 7 sprays is in repeating fan-shaped spray mode, the hydro powered rotating mechanism 9 of the two vertical rocker-arm of band can make water fog nozzle 7 automatic rotation, and turn an angle at regular intervals and make spray coverage rate continuously without dead angle, this hydro powered rotating mechanism 9 can realize coming and going the pause point rotated and not overlap.The water curtain of water fog nozzle 7 can be evenly distributed in whole sprinkling region, is exported to the water yield uniformity of spraying distalmost end from water fog nozzle 7.
The spraying automatic control system schematic diagram that the utility model as shown in Figure 3 adopts composition graphs 1 are found out, the utility model also arranges one and is used for opening and closing automatically and spraying automatic control system for controlling feed-regulating valve 3, decompression water regulating valve 3 ＇ aperture size.Described spraying automatic control system adopts light-sensitive element as the sensor of dust concentration, is used for the water pump 2 that opens and closes automatically described in Fig. 1 and regulate the aperture size of feed-regulating valve 3 described in Fig. 1, decompression water regulating valve 3 ＇.Light-sensitive element adopts 2CR83, and when the intensity of light source is certain, the output voltage signal of light-sensitive element just can represent space dust concentration.The output of light-sensitive element, through transmitter for adjuster provides the direct current signal of 0 ~ 10mA, then is equipped with corresponding operator, actuator, valve etc. and just constitutes complete spraying automatic control system.Adjuster adopts DTL-311 type adjuster, has ratio, integration, differential Rule adjusting, and can be arranged to direct ratio or inverse ratio adjustment; Executing agency adopts DJK-320 actuator, and is equipped with angular stroke control valve, nozzle etc.; Controlled device is space dust; Sensor adopts light source 6.3V bulb, changes its photo-irradiation intensity light-sensitive element 2CR83, be used for optical signal to convert voltage signal to by regulation voltage.When space dust concentration increases, light intensity dies down, and output signal diminishes; Otherwise output signal increases.The output signal of light-sensitive element is mainly converted to the current signal of 0 ~ 10mA by transmitter.
During use, be arranged on by a kind of for the utility model jet self-excitation atomizing dust removing device for bucket-wheel stacker reclaimer treating flour dust near bucket wheel side, water fog nozzle aims at bucket wheel.Automatically opened the water pump 2 of jet self-excitation atomization system by automatic control system of spraying according to production technology, water pump 2 adopts high-pressure hydraulic pump, water enters water pump 2 by water tank 1, filtered by feed-regulating valve 3, decompression water regulating valve 3 ＇ adjust flux and filter 6, clean water sprays via water fog nozzle 7.Above dirt source or periphery implement jet, spray the jet in air and bucket wheel making contact, form water smoke and the dust coalescence that flies upward.Meanwhile, the material on large droplet and bucket-wheel stacker reclaimer collides again, realizes secondary-atomizing, realizes the trapping to fine dust.Grit is caught by water and invests grit on water droplet or moistening and is aggregated into mutually bulky grain, thus accelerates its sedimentation, makes it to become dust fall as early as possible.
Claims (4)
1. the jet self-excitation atomizing dust removing device for bucket-wheel stacker reclaimer treating flour dust, to be linked in sequence by feed pipe (4) by water tank (1), water pump (2), feed-regulating valve (3), Pressure gauge (5), water fog nozzle (7) and to form, it is characterized in that: filter (6) is set on feed pipe (4), feed-regulating valve (3) water inlet before feed pipe (4) on again tap one decompression water pipe (4 ＇), decompression water pipe (4 ＇) is provided with decompression water regulating valve (3 ＇), and the delivery port of decompression water pipe (4 ＇) turns back to water tank (1).
2. a kind of jet self-excitation atomizing dust removing device for bucket-wheel stacker reclaimer treating flour dust as claimed in claim 1, is characterized in that: it also arranges one and is used for opening and closing automatically water pump (2) and the spraying automatic control system for controlling feed-regulating valve (3), decompression water regulating valve (3 ＇) aperture size.
3. a kind of jet self-excitation atomizing dust removing device for bucket-wheel stacker reclaimer treating flour dust as claimed in claim 1 or 2, is characterized in that: described filter (6) is y-type filter; Described water fog nozzle (7) is the large spray gun of KOMET, is linked in sequence is formed by water inlet (8), hydro powered rotating mechanism (9), jet pipe (10), nozzle bore (11).
4. a kind of jet self-excitation atomizing dust removing device for bucket-wheel stacker reclaimer treating flour dust as claimed in claim 3, is characterized in that: the large spray gun of described KOMET adopts AP101 series.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520197218.0U CN204710002U (en) | 2015-04-03 | 2015-04-03 | A kind of jet self-excitation atomizing dust removing device for bucket-wheel stacker reclaimer treating flour dust |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520197218.0U CN204710002U (en) | 2015-04-03 | 2015-04-03 | A kind of jet self-excitation atomizing dust removing device for bucket-wheel stacker reclaimer treating flour dust |
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| CN204710002U true CN204710002U (en) | 2015-10-21 |
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| CN201520197218.0U Expired - Fee Related CN204710002U (en) | 2015-04-03 | 2015-04-03 | A kind of jet self-excitation atomizing dust removing device for bucket-wheel stacker reclaimer treating flour dust |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106039887A (en) * | 2016-07-01 | 2016-10-26 | 福州大学 | Intelligent high pressure micro-mist de-dusting system and de-dusting method |
| CN106547222A (en) * | 2016-01-07 | 2017-03-29 | 徐工集团工程机械股份有限公司 | A kind of dedusting control method, system and disintegrating machine |
-
2015
- 2015-04-03 CN CN201520197218.0U patent/CN204710002U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106547222A (en) * | 2016-01-07 | 2017-03-29 | 徐工集团工程机械股份有限公司 | A kind of dedusting control method, system and disintegrating machine |
| CN106039887A (en) * | 2016-07-01 | 2016-10-26 | 福州大学 | Intelligent high pressure micro-mist de-dusting system and de-dusting method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151021 Termination date: 20200403 |
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| CF01 | Termination of patent right due to non-payment of annual fee |