CN109335750A - Dust trapping device and asphalt mixing plant - Google Patents
Dust trapping device and asphalt mixing plant Download PDFInfo
- Publication number
- CN109335750A CN109335750A CN201811429601.9A CN201811429601A CN109335750A CN 109335750 A CN109335750 A CN 109335750A CN 201811429601 A CN201811429601 A CN 201811429601A CN 109335750 A CN109335750 A CN 109335750A
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- China
- Prior art keywords
- dust
- gathering arrester
- dust gathering
- trapping device
- blowing
- Prior art date
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- 239000000428 dust Substances 0.000 title claims abstract description 237
- 239000010426 asphalt Substances 0.000 title claims abstract description 43
- 238000002156 mixing Methods 0.000 title claims abstract description 22
- 239000003500 flue dust Substances 0.000 claims abstract description 60
- 238000007664 blowing Methods 0.000 claims abstract description 52
- 239000000779 smoke Substances 0.000 claims abstract description 25
- 238000009792 diffusion process Methods 0.000 claims abstract description 21
- 238000004064 recycling Methods 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims description 15
- 238000004140 cleaning Methods 0.000 claims description 12
- 238000003860 storage Methods 0.000 claims description 9
- 238000011084 recovery Methods 0.000 claims description 8
- 238000000746 purification Methods 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 14
- 238000000605 extraction Methods 0.000 abstract description 3
- 241000196324 Embryophyta Species 0.000 description 17
- 238000000034 method Methods 0.000 description 8
- 239000000203 mixture Substances 0.000 description 8
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 7
- 239000003546 flue gas Substances 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 239000003245 coal Substances 0.000 description 6
- 238000005538 encapsulation Methods 0.000 description 6
- 238000003756 stirring Methods 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 4
- 235000019504 cigarettes Nutrition 0.000 description 4
- 238000001035 drying Methods 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 210000005239 tubule Anatomy 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 125000004122 cyclic group Chemical group 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000000295 fuel oil Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 238000005453 pelletization Methods 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 241000233805 Phoenix Species 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000763 evoking effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- -1 for example Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000009440 infrastructure construction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G69/00—Auxiliary measures taken, or devices used, in connection with loading or unloading
- B65G69/18—Preventing escape of dust
- B65G69/185—Preventing escape of dust by means of non-sealed systems
- B65G69/186—Preventing escape of dust by means of non-sealed systems with aspiration means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G67/00—Loading or unloading vehicles
- B65G67/02—Loading or unloading land vehicles
- B65G67/04—Loading land vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G69/00—Auxiliary measures taken, or devices used, in connection with loading or unloading
- B65G69/18—Preventing escape of dust
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Road Paving Machines (AREA)
Abstract
The present invention relates to a kind of dust trapping device and asphalt mixing plants, wherein, dust trapping device includes: the first dust gathering arrester (901), blowing area around drain hole (801) is arranged, and the collection face of the first dust gathering arrester (901) is equipped with multiple holes (910)；Second dust gathering arrester (902) is located at the diffusion region of drain hole (801), and diffusion region is located at blowing area periphery, and the collection face of the second dust gathering arrester (902) is equipped with multiple holes (910)；It with exhaust pipe (906), is connected to the first dust gathering arrester (901) and the second dust gathering arrester (902), for recycling the flue dust extraction of trapping.Such dust trapping device can recycle the volume of smoke and dust of moment loss during blowing, realize efficiently trapping, improve trapping effect, solve the problems, such as dust and flue dust loss during blowing.
Description
Technical field
The present invention relates to asphalt mixing plant technical field more particularly to a kind of dust trapping device and pitch are mixed
Close material mixing plant.
Background technique
Asphalt mixing plant is according to design mixture proportion coarse aggregate after heat drying under certain temperature and thin
Gather materials, the mixtures such as filler and pitch stir into the complete set of equipments of uniform mixture, be widely used to highway, city road
In the infrastructure constructions such as road, harbour, airport.
With the continuous development of society, environmental problem is increasingly prominent, and country increasingly payes attention to environmental protection, environmentally friendly political affairs
Plan dynamics is unprecedented, proposes tightened up requirement, asphalt mixing plant dust, pitch to the discharge of asphalt mixing plant
The emission problem of cigarette receives more and more attention, and especially discharges during entrucking area finished product material, Shabu pot material blowing a large amount of
The problems such as dust and asphalt smoke, is urgently to be resolved.
Currently, asphalt mixing plant entrucking area takes some dust, glance coal recovery measure, such as can be in height
Two layers of the aspiration of negative pressure pipe is arranged in flue dust region, is arranged at intervals with multiple air suction openings on the aspiration of negative pressure pipe, upper layer sweep-up pipe is by two
Transverse tube and a longitudinal tubule (L tubule) composition, for collecting the asphalt smoke of finished bin upper end；Lower layer's sweep-up pipe is by two transverse tubes and two longitudinal tubule (L tubule) groups
At for collecting the asphalt smoke of entrucking area drain hole；Upper and lower level sweep-up pipe comes together in the bigger total pipeline in section jointly, recycling
Flue dust sprays into burner by air-introduced machine after dust-extraction unit.
The program is difficult to form subnormal ambient at the top of the entrucking area in the space of opposing open, and perforated area is small, insufficient
With a large amount of asphalt smokes of rapid acquiring blowing abrupt release, cause to trap ineffective, entrucking area still remains serious
Dust, glance coal loss problem.Therefore, how to solve the problems, such as the uncontrollable discharge in entrucking area, efficiently trap blowing process moment
A large amount of asphalt smokes of loss, its reclaiming clean is handled, realize cleaning discharge be still asphalt mixing plant urgently
It solves the problems, such as.
Summary of the invention
The purpose of the present invention is to propose to a kind of dust trapping device and asphalt mixing plants, can be improved to discharge
The trapping effect of flue dust.
According to an aspect of the invention, it is proposed that a kind of dust trapping device, comprising: the first dust gathering arrester, around drain hole
The collection face of the setting of blowing area, the first dust gathering arrester is equipped with multiple holes；
Second dust gathering arrester, is located at the diffusion region of drain hole, and diffusion region is located at blowing area periphery, the collection face of the second dust gathering arrester
It is equipped with multiple holes；With
Exhaust pipe, for recycling the flue dust extraction of the first dust gathering arrester and the trapping of the second dust gathering arrester.
Further, the inner sidewall of the first dust gathering arrester is tapered from outside to inside at least partly thickness, forms cover structure.
Further, the inner sidewall interval of the lateral wall of the first dust gathering arrester and the second dust gathering arrester is arranged.
Further, dust trapping device further includes baffle, and baffle is located at close to the first dust gathering arrester and/or the second dust gathering arrester
Lateral wall on, and along the thickness direction of dust trapping device be directed away from free end direction extend.
Further, baffle includes the first baffle being located on the first dust gathering arrester and the second gear that is located on the second dust gathering arrester
Plate, the height that first baffle extends are less than second baffle.
Further, the first dust gathering arrester and the second dust gathering arrester common exhaust duct；Or
First dust gathering arrester and the second dust gathering arrester use independent exhaust pipe, with independent control absorbing quantity size.
Further, the first dust gathering arrester and drain hole are using sealed connection.
Further, dust trapping device further includes encapsulating structure, and drain hole is in inverted cone-shaped structure, and encapsulating structure surround and puts
Material mouth setting, and upwardly extend at the top of the first dust gathering arrester up to the side wall with drain hole contacts.
Further, encapsulating structure is equipped with U-lag, and blowing cylinder is located in U-lag, and U-lag is as blowing cylinder
Access hole-.
Further, the first dust gathering arrester is rectangular configuration, and the second dust gathering arrester is the rectangular configuration of one end open, the first dust
Cover is located in the region that the second dust gathering arrester is enclosed, and exhaust pipe is located at the opposite side of the second dust gathering arrester open end.
Further, the second dust gathering arrester includes opposite the first side section A and second side section B, is parked in drain hole bottom with vehicle
On the basis of the state of portion's splicing, the first side section A is located at front along vehicle heading, and second side section B is along vehicle heading position
In rear portion, the width of the first side section A is greater than the width of second side section B.
Further, the bottom of the first dust gathering arrester through-thickness and/or inside collection face are equipped with multiple holes；And/or
Bottom, inside collection face and the/outside collection face of second dust gathering arrester through-thickness are equipped with multiple holes.
Further, the sectional area for being located at hole on the second dust gathering arrester is less than the sectional area for being located at hole on the first dust gathering arrester.
Further, dust trapping device further includes recovery channel and cleaning equipment, one end of recovery channel and exhaust pipe
Road connection, the other end are connected to cleaning equipment.
Further, further include blower, be located at cleaning equipment along the downstream of flue dust flow direction, for mentioning for flue dust flowing
For suction force.
Further, the top of the first dust gathering arrester and the second dust gathering arrester through-thickness is equipped with lifting lug, for catching flue dust
Acquisition means are mounted on the bottom of drain hole.
According to another aspect of the invention, it is proposed that a kind of asphalt mixing plant, the flue dust including above-described embodiment
Capturing device.
Further, dust trapping device is located at lower storehouse, agitated kettle and/or the asphalt storage bottom of finished bin.
Based on the above-mentioned technical proposal, the dust trapping device of the embodiment of the present invention, comprising: the first dust gathering arrester and the second dust
Cover, the first dust gathering arrester are arranged around the blowing area of drain hole, for concentrating the flue dust for absorbing drain hole release；Second dust is provide with
In the diffusion region of drain hole, for trapping a small amount of flue dust from the loss of blowing area.By using the first dust gathering arrester and the second dust
Cover combination dust gathering arrester form, can recycle the volume of smoke and dust of moment loss during blowing, realize efficiently trapping, improve
Effect is trapped, solves the problems, such as dust and flue dust loss during blowing.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation using one embodiment of the asphalt mixing plant of dust trapping device of the present invention
Figure；
Fig. 2 is one embodiment that entrucking area is arranged in asphalt mixing plant of the present invention below finished bin and encapsulates
Structural schematic diagram；
Fig. 3 is the structural schematic diagram of one embodiment of dust trapping device of the present invention；
Fig. 4 is the structural schematic diagram in storehouse under finished bin in asphalt mixing plant of the present invention；
Fig. 5 is the cross-sectional view of dust trapping device one embodiment of the present invention.
Specific embodiment
The present invention described further below.In the following paragraphs, the different aspect of embodiment is defined in more detail.So
The various aspects of restriction can be combined with any other one aspect or many aspects, can not be combined unless explicitly stated otherwise.Especially,
It is considered as preferred or advantageous any feature can be considered as preferred or advantageous feature group with other one or more
It closes.
The terms descriptions merely for convenience such as " first " that occurs in the present invention, " second " have same names to distinguish
Different building blocks, be not offered as successively or primary-slave relation.
In the description of the present invention, the orientation or position of the instructions such as "upper", "lower", "left", "right", " preceding " and " rear " are used
Setting relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of the description present invention, rather than indication or suggestion
Signified device must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as protecting the present invention
Protect the limitation of range.
As shown in Figures 1 to 5, the present invention provides a kind of dust trapping devices, below with dust trapping device for dripping
For green mixture stirring device, the function and specific structure of dust trapping device is described in detail, certain smoke catching dress
It sets and can also be used for collecting other equipment for generating flue dust.Firstly, the primary structure to asphalt mixing plant is illustrated.
As shown in Figure 1, asphalt mixing plant include cold ingredient and mating independent dust pelletizing system 1, drying roller 2,
Main deduster 3, vibrating screen 5, hot aggregate storage bin 6, weighs stirring module 7, finished bin 8, dust trapping device 9, miberal powder at elevator 4
Feed system 10, tar heavy oil feed system 11, entrucking area encapsulate 12 and get out of the way door 13 etc..
Its working principle is that: cold ingredient and mating independent dust pelletizing system 1 are provided just by belt conveyor for drying roller 2
The cold aggregate matched, and complete the collection processing that dust is generated in feeding process.Aggregate after drying roller 2 heats passes through elevator
4 enter vibrating screen 5, and hot aggregate storage bin 6 is entered after screening and is stored, and complete to be supplied by hot aggregate storage bin 6, miberal powder weighing stirring module 7
The independent of hot aggregate, miberal powder and the pitch that system 10 and pitch, heavy oil feed system 11 provide respectively is weighed, is stirred, and stirring is equal
Finished product material after even enters the storage of finished bin 8.
Wherein, the lower storehouse module major function of finished bin 8 includes that dust trapping device 9 etc. is fixed in storing, blowing and suspension,
Lower storehouse module includes drain hole 801, lower storehouse 802, lower Hatch Coaming frame 803, heat preservation encapsulated layer 804 and blowing cylinder 805 etc..The present invention
Dust trapping device 9 it is mountable in 801 bottom of drain hole.
Dust trapping device 9 will be illustrated below, in a schematical embodiment, as shown in Fig. 2, including the
One dust gathering arrester 901, the second dust gathering arrester 902 and exhaust pipe 906, wherein blowing of first dust gathering arrester 901 around drain hole 801
The collection face of area's setting, the first dust gathering arrester 901 is equipped with multiple holes 910, for concentrating the flue dust for absorbing drain hole 801 and discharging；
Second dust gathering arrester 902 is located at the diffusion region of drain hole 801, and diffusion region is located at blowing area periphery, the collection face of the second dust gathering arrester 902
On also be provided with multiple holes 910, as the supplement of the first dust gathering arrester 901, for trapping a small amount of flue dust from the loss of blowing area.It is each
Hole 910 is for sucking flue dust.The flue dust that exhaust pipe 906 is used to trap the first dust gathering arrester 901 and the second dust gathering arrester 902 is drawn
It is recycled.
Such the first dust gathering arrester 901 of use of dust trapping device 9 and the second dust gathering arrester 902 combination dust gathering arrester form, first
A certain number of holes 910 are set on dust gathering arrester 901 and the second dust gathering arrester 902, to guarantee enough trapping air quantity.
The dust trapping device 9 of this embodiment of the invention is such can to recycle entrucking area blowing (finished product material, Shabu pot material) mistake
Continue loss bitumen flue gas in journey in a large amount of bitumen flue gas and dust and loading-unloading vehicle of moment loss, realizes efficiently trapping, change
Kind trapping effect, solves the problems, such as the loss of entrucking area dust, bitumen flue gas.
As shown in figure 5, the inner sidewall of the first dust gathering arrester 901 is tapered from outside to inside at least partly thickness, cover is formed
Structure.First dust gathering arrester, 901 inner sidewall evokes flue dust total amount according to blowing process and blanking relative to the tilt angle of vertical plane
Depending on, when blowing process release flue dust total amount is more, it is intended to take large values；Blanking evoke flue dust total amount it is more when, it is intended to take
Small value.
It is arranged in first dust gathering arrester 901 in blowing area, overall structure is annular in shape, such as annulus or straight-flanked ring etc., can incite somebody to action
Drain hole 802 surrounds, and from bottom to top, is in cover structure, forms diversion trench, play the role of caching, flue dust can be made in the first dust
The longer time is stopped in the region that cover 901 surrounds, to increase trapping effect.It can be caught by the first dust gathering arrester 901 in blowing
Collect most of dust, glance coal etc..
Specifically, as shown in figure 5, the first dust gathering arrester 901 includes ring ceiling plate 901-1, ring inhales outer panel 901-2, ring is inhaled
Interior plate 901-3, ring inhale inclined plate 901-4, ring inhales bottom plate 901-5 and multiple holes 910, are welded together to form closing between each plate
Annular, it is 15 °~75 ° that ring, which inhales inclined plate 901-4 tilt angle optimum value, and size evokes flue dust total amount according to blowing process and blanking
Depending on.Alternatively, the inner sidewall of a dust gathering arrester 901 can also be designed as hang plate in whole thickness.
As shown in Figure 3 and Figure 5, the inner sidewall interval of the lateral wall of the first dust gathering arrester 901 and the second dust gathering arrester 902 is arranged.
After flue dust is absorbed by the first dust gathering arrester 901, such structure is able to extend the flow path of remaining flue dust, in the mistake gradually spread
It is fully absorbed in journey by the second dust gathering arrester 902, further improves trapping effect.
As shown in figure 5, dust trapping device 9 of the invention further includes baffle, baffle is located at close to the first dust gathering arrester 901
And/or second dust gathering arrester 902 lateral wall on and be circumferentially arranged along dust gathering arrester, and baffle can be along the thickness of dust trapping device 9
The direction that degree direction is directed away from free end extends, and extends downwardly in Fig. 5.Baffle may include being located at the first dust gathering arrester 901
On first baffle 903 and the second baffle 904 that is located on the second dust gathering arrester 902.The region that first baffle 903 surrounds is referred to as
Blowing area, the region surrounded between first baffle 903 and second baffle 904 are referred to as diffusion region.First baffle 903 extends downwardly
Height is 0.2~0.8m, and 903 lower end of first baffle is not less than compartment highest point height.
After drain hole 801 is opened, during unloading asphalt, waste material or Shabu pot material, a large amount of dust of release, pitch
Cigarette.When asphalt, waste material or Shabu pot material fall to the feeding device bottom of transport vehicle or carloader etc., one can be evoked
Flue dust has upward movement tendency, while the trend of oriented external diffusion, and volume of smoke can be generated by continuing blowing in entrucking area, and
Gradually diffuse to diffusion region.
On the one hand first baffle 903 reduces dust, glance coal to the trend of external diffusion, on the other hand reduce the first dust gathering arrester
901 and 902 smoke catching area of the second dust gathering arrester, smoke catching efficiency is improved, forms guide functions during smoke catching,
Improve trapping effect.First dust gathering arrester 901 can recycle in time blowing process under the auxiliary of first baffle 903 and blanking evokes
Most of flue dust in flue dust, the flue dust and blanking for crossing first baffle 903 on a small quantity evoke part flue dust and enter diffusion region,
Under the auxiliary of two baffles 904, the second dust gathering arrester 902 can be by diffusion region loss smoke catching totally.The effect of second baffle 904
It is to inhibit the further diffusion of a small amount of blowing area loss flue dust, while reduces the smoke catching area of the second dust gathering arrester 902, into
One step improves trapping effect, while providing spatial cache for a large amount of asphalt smokes of abrupt release, can reduce system entirety
Air quantity.
The embodiment can strengthen guide functions by setting baffle, and reducing blowing, mixture escapes in the process and in transport vehicle
The diffusion of bulk asphalt cigarette further improves trapping effect.
Still referring to FIG. 5, the first dust gathering arrester 901 and 902 lower end of the second dust gathering arrester are respectively provided with a circle baffle, first baffle 903
The height extended is less than second baffle 904.Such structure on the one hand can reduce dust, trend from glance coal to external diffusion；Separately
On the one hand it can reduce dust gathering arrester trapping area, improve smoke catching efficiency, form guide functions during smoke catching, improve
Trap effect；Spatial cache is provided for a large amount of asphalt smokes of abrupt release simultaneously, can reduce system entirety air quantity.
In some embodiments, as shown in figure 3,902 common exhaust duct 906 of the first dust gathering arrester 901 and the second dust gathering arrester.
The first dust gathering arrester 901 and the second dust gathering arrester 902 in the embodiment are independent trapping, and common air inducing comes together in exhaust pipe
906, exhaust pipe structure can be simplified, reduce occupied space, and reduce blower quantity.
In further embodiments, the first dust gathering arrester 901 and the second dust gathering arrester 902 use independent exhaust pipe 906, with
Independent control absorbing quantity and wind speed according to demand.Such structure can reach more excellent by the control for drawing phoenix amount to two dust gathering arresters
Trapping effect.
As shown in figure 5, the first dust gathering arrester 901 is with drain hole 801 using sealed connection.The dust trapping device 9 and finished product
The position that storehouse 8 contacts is sealing structure, avoids the entrance of outside air, reduces trapping range, and is easily formed stable bear
Pressure improves arresting efficiency.
As shown in figure 5, drain hole 801 is in inverted cone-shaped structure, it is tightly connected to realize, as shown in figure 4, smoke catching fills
Setting 9 further includes encapsulating structure 905, and encapsulating structure 905 is arranged around drain hole 802, and is prolonged upwards from 901 top of the first dust gathering arrester
It stretches to the side wall of drain hole 801 and contacts.Encapsulating structure 905 blocked drain hole 802 and 901 inner sidewall of the first dust gathering arrester it
Between gap, it can be achieved that be tightly connected, prevent flue dust from flowing up by the gap.
Further, encapsulating structure 905 is equipped with U-lag, and blowing cylinder 805 is located in U-lag, and U-lag is as blowing
The access hole 905-3 of cylinder 805.Blowing cylinder 805 can complete normal blowing operation in U-lag, and U-shaped access hole can not torn open
It is opened in the case where unloading blowing cylinder 805, facilitates maintenance, the replacement of blowing cylinder 805.
Specifically, as shown in figure 4, passing through encapsulating structure between 901 upper end of the first dust gathering arrester and the lower storehouse 802 of finished bin 8
905 sealings, primary structure include the first encapsulation 905-1, the second package board 905-2, access hole 905-3, flanging 905-4 and bolt
905-5 etc., wherein access hole 905-3 is U-shaped slotted plate, and blowing cylinder 805 can complete normal blowing operation, U in U-type groove
Type groove is removably attached on the first package board 905-1 by bolt 905-5, facilitates maintenance, the replacement of blowing cylinder 805.
First package board 905-1 and the second package board 905-2 be respectively dust gathering arrester encapsulation 905 two faces, upper end with
The lower storehouse 802 of finished bin 8 is fixedly connected by bolt 905-5, and lower end is fixed with ring ceiling plate 901-1 by bolt 905-5
Connection.First package board 905-1 and the second left and right ends package board 905-2 pass through bolt 905-5 respectively and are mutually permanently connected,
Each junction is arranged with flanging 905-4, including press strip steel plate and elastic heat-resisting material, for example, silica gel sealing cloth etc., mainly
It seals.Two group of first package board 905-1 and the second package board 905-2 surround a cuboid jointly, reach sealing
The purpose of one dust gathering arrester, 901 upper end.
In some embodiments, as shown in figure 3, the first dust gathering arrester 901 is rectangular configuration, the second dust gathering arrester 902 is one end
Open rectangular configuration, the first dust gathering arrester 901 are located in the region that the second dust gathering arrester 902 is enclosed, and exhaust pipe 906 is located at
The opposite side of second dust gathering arrester, 902 open end.Exhaust pipe 906 can be located at the short side of the first dust gathering arrester 901, facilitate arrangement.
By the way that dust gathering arrester is designed as rectangular configuration, it can get biggish circumferential lengths, more holes 910 are arranged, increase
Add flue dust uptake.When vehicle is located at progress splicing below drain hole 801, the two sides section opposite with the second dust gathering arrester 902
Vertical direction corresponds to the length direction of vehicle, and the direction parallel with two opposite sides of the second dust gathering arrester 902 section corresponds to
The width direction of vehicle is corresponding, and it is relatively narrow that the rectangular configuration that the second dust gathering arrester 902 is designed as one end open is applicable to compartment
Width direction.Alternatively, the second dust gathering arrester 902 is also designed to cyclic structure, such as cyclic annular rectangular configuration.
As shown in figure 5, the second dust gathering arrester 902 includes opposite the first side section 902A and second side section 902B, stopped with vehicle
On the basis of the state of 801 bottom splicing of drain hole, the first side section 902A is located at front, second side section along vehicle heading
902B is located at rear portion along vehicle heading, and the width of the first side section 902A is greater than the width of second side section 902B.First side section
902A and second side section 902B is arranged on the outside of the long side of the first dust gathering arrester 901, and section is rectangle, and base area is greater than two
A side.
For example, the width of second side section 902B is 1~3m, and the width of the first side section 902A is most on vehicle heading
The small car length for loading-unloading vehicle subtracts length of first dust gathering arrester 901 on vehicle heading.
Vehicle is in splicing, first by 801 lower section of compartment front alignment drain hole, at this point, front mixture escapes in compartment
Scattered flue dust mainly passes through the absorption of the first dust gathering arrester 901, the temporarily non-splicing of compartment rear portion, therefore can design second side section 902B
For lesser width.In compartment front after the completion of splicing, vehicle is gradually moved forward, until reaching compartment rear portion pair shown in Fig. 5
Quasi- 801 lower section of drain hole, at this point, the flue dust of mixture loss mainly passes through the absorption of the first dust gathering arrester 901, the cigarette of front in compartment
Dirt mainly passes through the absorption of the second dust gathering arrester 902, therefore the length of second side section 902B will cover the forward edge in compartment, to prevent
Only flue dust escapes.
Further, second baffle 904 can extend downward into concordant with the top in compartment so that the second dust gathering arrester 902 with
The side in compartment contacts, and prevents flue dust from escaping.
Opposite two sides of the second dust gathering arrester 902 is of different size in the embodiment, on vehicle heading, before being located at
Second side section 902B wide of the first side section 902A than being located at rear portion in portion, the width of the first side section 902A can satisfy in vehicle tail
The second dust gathering arrester 902 covers the entire compartment of loading-unloading vehicle when portion's splicing, both ensure that a large amount of pitch of moment loss during blowing
Flue dust in turn ensures the asphalt smoke that asphalt loss has been filled in loading-unloading vehicle compartment.
Specifically, the second dust gathering arrester 902 include face ceiling plate 902-1, face inhale outer panel 902-2, face inhale bottom plate 902-3,
Interior plate 902-4 and multiple holes 910 are inhaled in face, and the first side section 902A is identical as second side section 902B structure.First side section 902A and
It is welded together to form strip face between each plate in second side section 902B and inhales structure, closed at one end, the other end is in entrucking area
Converge on smoke catching exhaust pipe 906 with the first dust gathering arrester 901 trapping flue dust.
In some embodiments, as shown in Figure 3 and Figure 5, the bottom and/or inside of 901 through-thickness of the first dust gathering arrester
Collection face is equipped with multiple holes 910；And/or bottom, inside collection face and the/outside of 902 through-thickness of the second dust gathering arrester are caught
Collection face is equipped with multiple holes 910.
Preferably, each hole 910 can be uniformly arranged, so that the absorption of flue dust is more uniform.
Preferably, hole 910 can be designed as circular hole, tri-angle-holed, rectangular opening or long slot hole etc..
Under the premise of guaranteeing minimum trapping wind speed, the number of openings is depending on smoke discharge amount.
Preferably, the sectional area for being located at hole 910 on the second dust gathering arrester 902, which is less than, is located at hole 910 on the first dust gathering arrester 901
Sectional area.Since the flue dust in 801 blowing area of drain hole is more concentrated, need by the first dust gathering arrester 901 hole 910 setting compared with
Big sectional area, quickly and efficiently to absorb a large amount of flue dust；Since the flue dust of 801 diffusion region of drain hole is less, need
Lesser sectional area is arranged in hole 910 on two dust gathering arresters 902, to obtain higher wind speed, improves the suction force to flue dust.Pass through
Aperture design can obtain preferably smoke catching effect.
For example, perforated area optimum value is 0.002~0.02m on the first dust gathering arrester 9012, the long short side ratio control in hole 910
System at 1~7 times, aperture blast velocity control in 10~25m/s, the number of openings depending on smoke discharge amount, commonly use quantity be 100~
320.
Perforated area is smaller than the perforated area on the first dust gathering arrester 901 on second dust gathering arrester 902, optimum value be 0.001~
0.015m2, higher wind speed can be provided under same total blast volume, the number of openings operating condition, the number of openings is according to diffusion region flue dust total amount
Depending on.The long short side ratio in hole 910 is controlled at 1~7 times, and aperture blast velocity control is in 5~20m/s, and the number of openings is according to diffusion region
Depending on flue dust total amount, commonly using quantity is 100~450.
In some embodiments, dust trapping device of the invention further includes recovery channel 908 and cleaning equipment 911, is returned
The one end in closed tube road 908 is connected to exhaust pipe 906, and the other end is connected to cleaning equipment 911, so that exhaust pipe 906 is drawn
Flue dust purified by recovery channel 908 into cleaning equipment 911, be discharged after the completion of purification by chimney 912.Pitch stirs
Mixing equipment bitumen flue gas release source includes agitated kettle, finished bin 8 and asphalt storage etc., and the bitumen flue gas of release can be set
It sets pipeline and imports cleaning equipment 911 jointly.
Further, dust trapping device of the invention also further includes blower 907, is located at cleaning equipment 911 along flue dust stream
The downstream in dynamic direction, for providing suction force for flue dust flowing.Blower 907 is that entire dust trapping device 9 provides entrucking area ease
Air quantity, wind speed and the subnormal ambient of smoke catching are dissipated, the flue dust of recycling is by entrucking area smoke catching exhaust pipe 906 and recovery tube
Road 908 introduces cleaning equipment 911, and purified flue gas is discharged into atmosphere by blowdown stack 912.
Illustrate the mounting means of dust trapping device 9 of the present invention below.As shown in Fig. 2, the lower section of finished bin 8 is entrucking
Area, flue dust escapes when in order to reduce 8 blowing of finished bin, is equipped with entrucking area encapsulation 12 in 8 two sides of finished bin, is integrally formed for vehicle
Into the channel of 8 bottom splicing of finished bin, the inlet and outlet position of entrucking area encapsulation 12 is equipped with door, such as gets out of the way door 13.Flue dust is caught
Acquisition means 9 are located at 802 bottom of lower storehouse of finished bin 8, and are located within entrucking area encapsulation 12.
As shown in Figure 2 and Figure 4, the lower storehouse 802 of finished bin 8 can be in rectangular parallelepiped structure, including drain hole 801, lower Hatch Coaming frame
803, encapsulated layer 804 and blowing cylinder 805 etc. are kept the temperature.Heat preservation encapsulated layer 804 is enclosed in lower 803 outside of Hatch Coaming frame, blowing cylinder
805 are located at the position in lower storehouse 802 close to bottom.It is set at the top of 902 through-thickness of first dust gathering arrester 901 and the second dust gathering arrester
There is lifting lug 909, for dust trapping device to be mounted on 801 bottom of drain hole.Specifically, the first dust gathering arrester 901 can be by hanging
Ear 909 is fixedly connected on the lower Hatch Coaming frame 803 of finished bin 8, and the second dust gathering arrester 902 can be fixedly connected on dress by lifting lug 909
On the top frame of vehicle area encapsulation 12.
Secondly, the present invention also provides a kind of asphalt mixing plant, the smoke catching dress including above-described embodiment
Set 9.Asphalt mixing plant bitumen flue gas release source includes agitated kettle, finished bin 8 and asphalt storage etc., therefore, of the invention
Dust trapping device 9 may be provided in 802 bottom of lower storehouse of agitated kettle, asphalt storage and/or finished bin 8, the glance coal that will be discharged
Gas is collected to cleaning equipment 911 and carries out the purification heel row external world out.
Since dust trapping device 9 of the invention is using the combination dust gathering arrester scheme of " inhaling in ring suction+face ", the one the first dusts
For cover 901 for realizing ring suction, the second dust gathering arrester 902 can recycle a large amount of of moment loss during blowing for realizing face suction
Flue dust and dust realize efficiently trapping, improve trapping effect, solve the problems, such as dust and flue dust loss during blowing.
The above content is optimal technical scheme detailed description made for the present invention is combined, to the technical field of the invention
Scientific and technical personnel for, under the premise of not departing from theory of the present invention, multiple similar modifications and replacement can also be made, than
Such as, dust hood shape, hole shape, air inducing change in location etc., sealing material can be changed to the material of other high temperature resistants, resistance to flue dust
Material, this obvious transformation all belong to the scope of protection of the present invention.The invention applies also for other loss flue dust industry
The smoke catching of production environment, the industries such as petrochemical industry, spraying discharge the purification etc. of organic particulate matter.
It should be pointed out that for those skilled in the art, without departing from the principle of the present invention,
Can be with several improvements and modifications are made to the present invention, these improvement and modification also fall into the protection scope of the claims in the present invention
It is interior.
Claims (18)
1. a kind of dust trapping device characterized by comprising
First dust gathering arrester (901), the blowing area around drain hole (801) is arranged, in the collection face of first dust gathering arrester (901)
Equipped with multiple holes (910)；
Second dust gathering arrester (902) is located at the diffusion region of the drain hole (801), and the diffusion region is located at the blowing area periphery,
The collection face of second dust gathering arrester (902) is equipped with multiple holes (910)；With
Exhaust pipe (906), for will first dust gathering arrester (901) and the second dust gathering arrester (902) trapping flue dust draw into
Row recycling.
2. dust trapping device according to claim 1, which is characterized in that the inner sidewall of first dust gathering arrester (901)
It is tapered from outside to inside at least partly thickness, form cover structure.
3. dust trapping device according to claim 1, which is characterized in that the lateral wall of first dust gathering arrester (901)
It is arranged with the inner sidewall interval of second dust gathering arrester (902).
4. dust trapping device according to claim 1, which is characterized in that further include baffle, the baffle is located at close
On the lateral wall of first dust gathering arrester (901) and/or the second dust gathering arrester (902), and along the thickness direction court of dust trapping device (9)
Extend to the direction far from free end.
5. dust trapping device according to claim 4, which is characterized in that the baffle includes being located at first dust
The second baffle (904) for covering the first baffle (903) on (901) and being located on second dust gathering arrester (902), the first gear
The height that plate (903) extends is less than the second baffle (904).
6. dust trapping device according to claim 1, which is characterized in that first dust gathering arrester (901) and described
Two dust gathering arresters (902) share the exhaust pipe (906)；Or
First dust gathering arrester (901) and second dust gathering arrester (902) use the independent exhaust pipe (906), with only
Vertical control absorbing quantity size.
7. dust trapping device according to claim 1, which is characterized in that first dust gathering arrester (901) is put with described
Material mouth (801) is using sealed connection.
8. dust trapping device according to claim 7, which is characterized in that further include encapsulating structure (905), the blowing
Mouthful (801) are in inverted cone-shaped structure, and the encapsulating structure (905) is arranged around the drain hole (802), and from first dust
It is upwardly extended at the top of cover (901) until being contacted with the side wall of the drain hole (801).
9. dust trapping device according to claim 8, which is characterized in that the encapsulating structure (905) is equipped with U-shaped
Slot, blowing cylinder (805) are located in the U-lag, access hole (905- of the U-lag as the blowing cylinder (805)
3)。
10. dust trapping device according to claim 1, which is characterized in that first dust gathering arrester (901) is rectangle knot
Structure, second dust gathering arrester (902) are the rectangular configuration of one end open, and first dust gathering arrester (901) is located at second collection
In the region that dust hood (902) is enclosed, the exhaust pipe (906) is located at pair of the second dust gathering arrester (902) open end
Side.
11. dust trapping device according to claim 10, which is characterized in that second dust gathering arrester (902) includes phase
Pair the first side section (902A) and second side section (902B), be with the state that vehicle is parked in the drain hole (801) bottom splicing
Benchmark, the first side section (902A) are located at front along vehicle heading, and second side section (902B) is along vehicle driving side
To rear portion is located at, the width of the first side section (902A) is greater than the width of second side section (902B).
12. dust trapping device according to claim 1, which is characterized in that
The bottom of first dust gathering arrester (901) through-thickness and/or inside collection face are equipped with multiple holes (910)；
And/or
Bottom, inside collection face and the/outside collection face of second dust gathering arrester (902) through-thickness are equipped with multiple described
Hole (910).
13. dust trapping device according to claim 1, which is characterized in that be located at hole on second dust gathering arrester (902)
(910) sectional area is less than the sectional area for being located at hole (910) on first dust gathering arrester (901).
14. dust trapping device according to claim 1, which is characterized in that further include that recovery channel (908) and purification are set
Standby (911), one end of the recovery channel (908) are connected to the exhaust pipe (906), the other end and the cleaning equipment
(911) it is connected to.
15. dust trapping device according to claim 14, which is characterized in that further include blower (907), be located at described net
Change equipment (911) along the downstream of flue dust flow direction, for providing suction force for flue dust flowing.
16. dust trapping device according to claim 1, which is characterized in that first dust gathering arrester (901) and described
The top of two dust gathering arresters (902) through-thickness is equipped with lifting lug (909), for dust trapping device (9) to be mounted on described put
The bottom of material mouth (801).
17. a kind of asphalt mixing plant, which is characterized in that including any smoke catching of claim 1~14
Device (9).
18. asphalt mixing plant according to claim 17, which is characterized in that the dust trapping device (9)
It is located at lower storehouse (802), agitated kettle and/or the asphalt storage bottom of finished bin (8).
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811429601.9A CN109335750B (en) | 2018-11-28 | 2018-11-28 | Smoke dust trapping device and asphalt mixture stirring equipment |
| PCT/CN2019/080828 WO2020107764A1 (en) | 2018-11-28 | 2019-04-01 | Smoke and dust collection apparatus and asphalt mixing equipment |
| RU2021112893A RU2761327C1 (en) | 2018-11-28 | 2019-04-01 | Apparatus for capturing soot and dust and equipment for preparing an asphalt mixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811429601.9A CN109335750B (en) | 2018-11-28 | 2018-11-28 | Smoke dust trapping device and asphalt mixture stirring equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109335750A true CN109335750A (en) | 2019-02-15 |
| CN109335750B CN109335750B (en) | 2024-03-01 |
Family
ID=65318307
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811429601.9A Active CN109335750B (en) | 2018-11-28 | 2018-11-28 | Smoke dust trapping device and asphalt mixture stirring equipment |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN109335750B (en) |
| RU (1) | RU2761327C1 (en) |
| WO (1) | WO2020107764A1 (en) |
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| CN110436219A (en) * | 2019-09-04 | 2019-11-12 | 陕西达刚筑路环保设备有限公司 | A kind of finished bin blowing transfer device |
| CN110937427A (en) * | 2019-12-18 | 2020-03-31 | 益阳生力材料科技股份有限公司 | Multifunctional vehicle dust collecting device and dust collecting method |
| CN111153242A (en) * | 2020-02-05 | 2020-05-15 | 北京首钢国际工程技术有限公司 | Dust removal device and dust removal method for unloading of automobile receiving groove |
| WO2020107764A1 (en) * | 2018-11-28 | 2020-06-04 | 徐工集团工程机械有限公司 | Smoke and dust collection apparatus and asphalt mixing equipment |
| CN112850236A (en) * | 2020-12-29 | 2021-05-28 | 内蒙古大唐国际锡林浩特发电有限责任公司 | Dust falling device for coal conveyor of thermal power plant |
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| CN111924559B (en) * | 2020-07-31 | 2024-06-18 | 中国电力工程顾问集团西南电力设计院有限公司 | Storage and transportation system and storage and transportation method for desulfurized gypsum |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2020107764A1 (en) * | 2018-11-28 | 2020-06-04 | 徐工集团工程机械有限公司 | Smoke and dust collection apparatus and asphalt mixing equipment |
| CN110436219A (en) * | 2019-09-04 | 2019-11-12 | 陕西达刚筑路环保设备有限公司 | A kind of finished bin blowing transfer device |
| CN110937427A (en) * | 2019-12-18 | 2020-03-31 | 益阳生力材料科技股份有限公司 | Multifunctional vehicle dust collecting device and dust collecting method |
| CN111153242A (en) * | 2020-02-05 | 2020-05-15 | 北京首钢国际工程技术有限公司 | Dust removal device and dust removal method for unloading of automobile receiving groove |
| CN112850236A (en) * | 2020-12-29 | 2021-05-28 | 内蒙古大唐国际锡林浩特发电有限责任公司 | Dust falling device for coal conveyor of thermal power plant |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020107764A1 (en) | 2020-06-04 |
| RU2761327C1 (en) | 2021-12-07 |
| CN109335750B (en) | 2024-03-01 |
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