CN109248509A - A kind of mixing station dust-extraction unit - Google Patents
A kind of mixing station dust-extraction unit Download PDFInfo
- Publication number
- CN109248509A CN109248509A CN201811082080.4A CN201811082080A CN109248509A CN 109248509 A CN109248509 A CN 109248509A CN 201811082080 A CN201811082080 A CN 201811082080A CN 109248509 A CN109248509 A CN 109248509A
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- China
- Prior art keywords
- dust
- collecting bin
- sucting pipeline
- cleaning shaft
- dust sucting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/04—Cleaning filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The present invention relates to a kind of mixing station dust-extraction units, belong to dedusting technology field, including collecting bin group, and the collecting bin group includes several collecting bins, and the feed inlet for charging is equipped on each collecting bin；Dust sucting pipeline, each collecting bin top are equipped with the dust sucting pipeline, and the input end of the dust sucting pipeline is arranged close to the feed inlet；Cleaning shaft, the cleaning shaft is closed at one end or connect with the dust sucting pipeline, and the other end is connected with dust removal assembly, and several dust sucting pipelines are connect with the cleaning shaft；Dust removal assembly, the dust removal assembly include that blower and deduster, by the dust inspiration dust sucting pipeline at the enterprising material mouth of collecting bin, then enter cleaning shaft by dust sucting pipeline, eventually pass through blower and enter deduster when the blower works.The present invention can absorb the impurity such as the dust near the multiple collecting bin feed inlets of removing, realize a tractor serves several purposes, effect with strong points by a deduster.
Description
Technical field
The invention belongs to dust processing technology fields, and in particular to the powder generated in cement concrete mixing station feeding process
The dust-extraction unit of dirt processing.
Background technique
To guarantee winter construction, the cold area's concrete agitation station of High aititude mostly uses the closed warming measure of outsourcing, mixing station
Interior space opposing seal is largely raised in concrete agitation station loading machine feeding process since the impact force of discharging can generate
Dirt, if not handling these dust, dust drifts everywhere in closed space, can make to the environment of mixing station
At serious pollution, the physical and mental health of operating personnel in mixing station is influenced.
In the prior art, closed mixing station dedusting mainly passes through pulse backblowing bag-type dust machine and is handled,
Main device includes pulse main body, warehouse and dedusting cavity, dedusting pipeline assembly, pulse control instrument on transitional storehouse.But this is removed
In dirt mode, need to place dust removal machine in each feed bin, dust removal machine is only capable of the material on processing dust removal machine periphery, cannot be to each
The dust that feed bin generates in feeding process carries out specific aim processing, and efficiency of dust collection is lower, and power consumption is big, and dust removal process also needs
Manual control is wanted, cannot achieve the purpose of automatic dust removing.
Summary of the invention
In order to solve the problems, such as dust low efficiency in collecting bin removal feeding process in the prior art, the present invention provides one
Kind mixing station dust-extraction unit.
The technical problem to be solved in the present invention is achieved through the following technical solutions:
A kind of mixing station dust-extraction unit, comprising:
Collecting bin group, the collecting bin group include several collecting bins, and the charging for charging is equipped on each collecting bin
Mouthful；
Dust sucting pipeline, is equipped with the dust sucting pipeline at the top of each collecting bin, the input end of the dust sucting pipeline close to it is described into
Material mouth setting；
The diameter of the dust sucting pipeline is 200mm-600mm；
Cleaning shaft, the cleaning shaft is closed at one end or connect with the dust sucting pipeline, and the other end is connected with dust removal assembly, if
Dry dust sucting pipeline is connect with the cleaning shaft；
Dust removal assembly, the dust removal assembly includes blower and deduster, when the blower works, at the enterprising material mouth of collecting bin
Dust inspiration dust sucting pipeline in, cleaning shaft is then entered by dust sucting pipeline, blower is eventually passed through and enters in deduster.
Further, the collecting bin group is several groups, in several collecting bin groups, is set between adjacent collecting bin group
There is buffer strip, the buffer strip is set on the cleaning shaft.By increase buffer strip, can accelerate adjacent collecting bin group it
Between dust etc. flowing velocity.
Further, control valve is equipped on each dust sucting pipeline, the control valve is for controlling sweep-up pipe
Being turned on or off in road；By control valve, conveniently control whether to carry out dust suction effect to collecting bin.
It further, further include several sensing devices, the periphery of each feed inlet is equipped with the sensing device, institute
Sensing device is stated for incuding whether feed inlet has material entrance；By increasing sensing device, it can determine that whether feed inlet has object
Material enters, and is convenient for subsequent control.
Further, the sensing device is Photoelectric infrared switch, and the control valve is Pneumatic butterfly valve, is each gathered materials
Photoelectric infrared switch correspondence on storehouse is electrically connected with the Pneumatic butterfly valve.Through such a connection manner, charging time control is realized
Valve opening processed, automatic dust removing；When not feeding, the effect of valve closing.Meanwhile one-to-one connection relationship, it realizes every
In a collecting bin, when having sensed that material passes through, function that the Pneumatic butterfly valve on the collecting bin in dust sucting pipeline can automatically turn on
Energy.
Further, protection section is equipped between the feed inlet and collecting bin top, the protection section is equipped with open ports,
The open ports upper cover is equipped with the radical occlusion device of flexible material preparation, the company of fixation at the top of the radical occlusion device end and collecting bin
It connects.By protection section and protect radical occlusion device in section, when the charging such as loading machine, the loading hopper of loading machine will not with into
The hard material on material mouth periphery collides, and can protect elevating conveyor and feed inlet；Meanwhile flexible material is tightly connected, it is ensured that charging
Mouth periphery is without dust.
Further, the radical occlusion device is plastics curtain.Plastics curtain is cheap, conveniently purchases, and plastic hanging
Curtain is good with gap stickiness.
Further, the collecting bin group includes cavity structure, and several partitions are equipped in the cavity structure, several described
Collecting bin group is divided into several collecting bins by partition, forms several collecting bins by a big cavity structure, contracting
Efficiency of dust collection is improved in small dedusting space.
Further, the partition is prepared using steel plate, and the thickness of the partition is more than or equal to 6mm；Using steel
Plate matter, hardness is good, impact resistance, is not easy to be damaged by material, can prevent flushing between adjacent collecting bin.
Further, the cleaning shaft bottom is arranged in parallel with connecting rod, and the cleaning shaft vertical direction is equipped with branch
The support tube of cleaning shaft is supportted, several support tubes are connected by connecting rod；By support tube and connecting rod, it is bonded dedusting
Pipeline.
Beneficial effects of the present invention:
In the present invention, multiple collecting bins and collecting bin group are connected by dust sucting pipeline and cleaning shaft；Then dust removing tube
Road is connect with deduster, starts the blower in deduster, so that dedusting pipeline and dust sucting pipeline all generate wind-force, and then can
Dust etc. at feed inlet is adsorbed, while deduster is entered by dedusting pipeline, realizes the purpose of dedusting.
When using the present invention, no setting is required multiple dedusters, it is only necessary to by the arrangement of pipeline and the connection of pipeline, i.e.,
The purpose that multiple collecting bins share a dust catcher can be achieved.Meanwhile the present invention cooperates control valve and sensing apparatus etc., it is real
The automation in dedusting is showed.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of mixing station dust-extraction unit provided by the invention；
Fig. 2 is the structure structural schematic diagram in embodiment 1 provided by the invention；
Fig. 3 is the structural schematic diagram of collecting bin provided by the invention；
In figure: 1, collecting bin；2, feed inlet；3, dust sucting pipeline；4, cleaning shaft；5, dust removal assembly；6, blower；7, deduster；
8, buffer strip；9, control valve；10, sensing device；12, radical occlusion device；13, partition；14, connecting rod；15, support rod.
Specific embodiment
Reach the technical means and efficacy that predetermined purpose is taken for the present invention is further explained, below in conjunction with attached drawing and reality
Example is applied to a specific embodiment of the invention, structure feature and its effect, detailed description are as follows.
The present invention is described in further details below with reference to accompanying drawings and embodiments.
Referring to shown in attached drawing 1-3, one of present invention mixing station dust-extraction unit, including 1 group of collecting bin, it is described to gather materials
1 group of storehouse includes several collecting bins 1, and the feed inlet 2 for charging is equipped on each collecting bin 1；In the present embodiment, every group
1 group of collecting bin can be constituted for 5 collecting bins 1, and 5 collecting bins 1 are formed by connecting by modes such as in parallel, series connection.Referring to attached drawing 1
Or shown in 2, in the present embodiment, dust sucting pipeline 3, while the input end of the dust sucting pipeline are equipped at the top of each collecting bin 1
It is arranged close to feed inlet 2, by being arranged near feed inlet 2, when material pours into collecting bin 1 from feed inlet 2, dust sucting pipeline 3
The dust etc. near collection material mouth can be targetedly absorbed in time.Pass through a cleaning shaft 4 between several dust sucting pipelines 3
Connection, to cleaning shaft 4, one end closing is arranged or connect with dust sucting pipeline 3, and other end connection is used for the dedusting group of dedusting
Part 5.In the present embodiment, above-mentioned dust removal assembly 5 specifically includes blower 6 and deduster 7, starts blower 6, and blower 6 can produce
Raw suction, by the dust sucting pipeline 3 on the sucking collecting bins 1 such as dust at feed inlet 2, subsequently into cleaning shaft 4, finally from
Cleaning shaft 4 in dust removal assembly 5, is dusted processing into deduster 7 across blower 6 into dust removal assembly 5.
The diameter of dust sucting pipeline 3 is 200mm-600mm.For dust sucting pipeline 3, diameter is less than 200mm, then dust be not easy into
Enter, inefficient；If the diameter of dust sucting pipeline 3 is greater than 600mm, caliber is excessive, and wind-force is limited, and dust enters slow.
In the present embodiment, 4 one end of cleaning shaft can directly be closed, can also be by way of connecting with dust sucting pipeline 3
Setting, other end needs are connected to dust removal assembly 5.
In the present embodiment, by the way that multiple collecting bins 1 are set together, then by dust sucting pipeline 3, cleaning shaft 4 with
And blower 6 carries out the dust suction of feed inlet 2, and then can be for generating in dust near feed inlet 2 etc. and fill process
Dust etc., is removed in time.With in the prior art, several collecting bins share a mixing machine, then in each mixing machine
Setting deduster 7 is compared, and the dust-extraction unit structure in the present embodiment is simple, and a deduster 7 can be connected to few 2 mixing machines,
And mixing machine connects multiple collecting bins 1, and dust-extraction unit and dust sucting pipeline 3 etc. are all set in 1 outside of collecting bin etc., Bu Huizhan
With the space of feeding, the working efficiency in feeding is improved.
When using the present embodiment, five collecting bins 1 are one group, and two groups of collecting bins 1 share a dust removal machine, at this point, two
Mixing machine shares a dust-extraction unit；If two mixing machines need altogether two cleaners using the prior art, wave
Take resource, and the installation of dust-extraction unit is more troublesome.In the present embodiment, it is only necessary to dust sucting pipeline 3 and cleaning shaft 4 are set,
Then by the way that bracket etc. is arranged in outside, dust-extraction unit is rack-mount, it, can also be straight if there is workbench etc. in building site
It connects and dust-extraction unit is placed on workbench, without being mounted on inside collecting bin 1.
In the present embodiment, since the input end of dust sucting pipeline is close to feed inlet 2, therefore user, it is carried out by loading machine
Material, material enters collecting bin 1, under the action of blower 6, the energy such as dust carried in material at this time by feed inlet 2 when feeding
Enough dust sucting pipelines by near feed inlet 2 are drawn, and then reach deduster 7 by dedusting pipeline and blower 6 etc., are fed
The targetedly dedustings nearby of mouth 2.
In actual use, material is generally large-sized rubble and the partial size material that has certain requirements, and the suction of blower 6
Power is only capable of absorbing dust, dust etc., therefore in use, will not suck material.
Embodiment 1
Referring to shown in attached drawing 2, in the present embodiment, including 2 groups 1 group of collecting bin, every group of collecting bin group includes 5 collecting bins 1 again, often
A collecting bin 1 is equipped with feed inlet 2, and feed inlet 2 is set to the top of collecting bin 1 close to top position, then in collecting bin 1
Dust sucting pipeline is inserted at top, and insertion position is arranged close to the side of feed inlet 2, can save pipeline at this time, and can use most short
Dust sucting pipeline reach feed inlet 2 near.In the present embodiment, 1 cleaning shaft 4 is set, the setting closed at one end of cleaning shaft 4,
The other end opens wide setting, and open one end is connected with dust removal assembly 5, and specifically, dust removal assembly 5 is pulse backblowing bag filter
7.In the present embodiment, pulse backblowing bag filter 7 is the model DMC type of Botou City Xiang Mao environmental protection machinery Co., Ltd production
Pulse backblowing bag filter 7.
Those skilled in the art should know, pulse backblowing bag filter 7 include blower 6, pulse valve, pulse control instrument and
Filter bag etc., by there is two groups 1 group of collecting bin, when pulse backblowing bag-type dust machine works in this present embodiment, blower 6 is opened,
The wind-force of dust sucting pipeline 3 at 6 position of blower is larger, therefore the dust of feed inlet 2 can be by priority processing herein.Far from blower
Dust sucting pipeline 3 in 1 group of one group of collecting bin of 6, since wind-force is smaller, absorbability is weak, but the collecting bin 1 far from blower 6
The dust etc. that dust sucting pipeline 3 in group absorbs passes through the dedusting pipeline of upper part, flows into the dedusting pipeline near blower 6,
Now close to the dedusting pipeline of 6 one end of blower, the dust in the dust sucting pipeline 3 connecting with its underpart is not only absorbed, there are also inhale
The dust that the dust sucting pipeline 3 in another group of collecting bin 1 flows into is received, the dedusting pipeline of one end in blower 6 is be easy to cause
Blockage problem.In order to solve this problem, in the present embodiment, buffer strip 8 is set before two groups 1 group of collecting bin, and then separate
The dust that the dust sucting pipeline 3 of blower 6 is sucked out passes through cleaning shaft 4, after reaching the buffering of buffer strip 8, enters back into removing close to blower 6
In dirt pipeline, give dedusting pipeline certain buffer time.
In the present embodiment, the buffer strip 8 is the tube body with 4 diameter same size of cleaning shaft, and above-mentioned tube body will be every
Dedusting pipeline above 1 group of collecting bin of group is attached, at this point, due to having in the dedusting pipeline above every group 1 group of collecting bin
The a large amount of air for carrying dust enters, so that flow velocity reduces between dedusting pipeline, and the buffer strip 8 of pipe structure, it is equivalent to
A reserved space is given, so that the space buffer in distant place cleaning shaft 4 once enters back into cleaning shaft 4 nearby, is avoided
The phenomenon that interacting between air stream, generating reflux.
Further, in this embodiment the tube body for constituting buffer strip 8 can also be set to diameter less than dedusting pipeline
Tube body can be sent out since diameter becomes smaller, therefore when the air with dust etc. enters buffer strip 8 from the dedusting pipeline far from 6 end of blower
Raw gas compression, and then flow velocity can be accelerated, when large quantity of air being avoided to flow into, cause the case where blocking in buffer strip 8.This implementation
A in example, the length of buffer strip 8 is generally 5m-10m, when 1 quantity of collecting bin in the present embodiment increases, the length of buffer strip 8
Degree increases therewith.
Meanwhile the buffer strip 8 in the present embodiment, dust removal assembly 5 can be installed on buffer strip 8, then by dust removing tube
Road 4 is set as that both ends are all closed or both ends are connect with dust sucting pipeline 3 or one end closed at one end connect with dust sucting pipeline 3
Structure.
When practical dedusting, dedusting space when due to each 1 dedusting of collecting bin is smaller, and dust removal assembly 5 is in most side,
Therefore Duster's Power is larger, being dusted for one collecting bin of collecting bin is had largely using powerful dust removal assembly 5
Wind-force wasted, cause the waste of high-power dust removal assembly 5.When dust removal assembly 5 is mounted on buffer strip 8, dust removal assembly 5
When work, the dust removal assembly 5 of smaller power can choose, it can be simultaneously to the dust near 1 feed inlet 2 of collecting bin of two sides
Absorbed and removed, can be improved the working efficiency of small-power dust removal assembly 5, at the same can reduce entire dedusting work when
Between.
Embodiment 2
In the present embodiment, including 2 groups 1 group of collecting bin, every group of 1 group of collecting bin includes again 5 collecting bins 1, is set on each collecting bin 1
There is feed inlet 2, feed inlet 2 is set to the top of collecting bin 1 close to top position, is then inserted into dust suction at the top of collecting bin 1
Pipeline, insertion position are arranged close to the side of feed inlet 2, can save pipeline at this time, and can be arrived with shortest dust sucting pipeline
Up near feed inlet 2.In the present embodiment, 1 cleaning shaft 4, the setting closed at one end of cleaning shaft 4 are set, the other end is opened wide and set
It sets, open one end is connected with dust removal assembly 5, and specifically, dust removal assembly 5 is pulse backblowing bag filter 7, certainly, dedusting
Component 5 can also be the model ZM type deduster 7 of Henan Zheng Kuang machine Co., Ltd production.
In the present embodiment, control valve 9 is equipped on each dust sucting pipeline 3, the control valve 9 is for controlling
The closure or openness of dust sucting pipeline 3.Specifically, control valve 9 is Pneumatic butterfly valve, and the Pneumatic butterfly valve is Shanghai Sino-U.S. internally piloted valve
The Pneumatic butterfly valve of the model DN400 of door Co., Ltd production.
It further include several sensing devices 10 in the present embodiment in order to measure whether feed inlet 2 has material entrance in time,
The periphery of each feed inlet 2 is equipped with a sensing device 10, and sensing device 10 is for incuding whether feed inlet 2 has material entrance.
Specifically, sensing device 10 is the Photoelectric infrared switch of model E3K100-DS100M1/DC, the E3K100-DS100M1/
The Photoelectric infrared switch of DC carries control switch, and when sensing that feed inlet has material to enter, control switch can be connected, in turn
The control switch series connection with it of the Pneumatic butterfly valve of DN400 connected to it, can also be connected, and realize and be powered, when the control of Pneumatic butterfly valve
When system switch is powered, according to the size of electric current, opening or closing for Pneumatic butterfly valve can be realized.For example Shanghai Sino-U.S. Self controlling valve has
The production of limit company to folder soft seal Pneumatic butterfly valve, actuator mentions: actuator form, control mode, control signal (4-
20MA), the mode of action (gas-open type, gas-pass formula)；I.e. when Photoelectric infrared switch provides control signal code signal, control letter
It is number i.e. controllable to open.
The corresponding pneumatic butterfly being electrically connected on the collecting bin of Photoelectric infrared switch i.e. in the present embodiment, on each collecting bin 1
Valve is connected between the two, then forms one group of control circuit between each Photoelectric infrared switch and Pneumatic butterfly valve, should have at this time
Several groups control circuit, it is in parallel between several groups control circuit, i.e., on each collecting bin Pneumatic butterfly valve and Photoelectric infrared switch it
Between unlatching, will not influence the unlatching of the Pneumatic butterfly valve and Photoelectric infrared switch on other collecting bins.When on a certain collecting bin 1
When Photoelectric infrared switch has sensed that material passes through, one signal of control switch of Photoelectric infrared switch can be given, it is allowed to pass through electricity
Stream, and then corresponding current generation is also had in the control switch of Pneumatic butterfly valve connected in series, so that the control of control switch
Signal processed is opened, and realizes the unlatching and disconnection of Pneumatic butterfly valve.
It is, of course, also possible to need to cooperate control at this time with the Photoelectric infrared switch in the substitution the present embodiment such as infrared inductor
Other circuit arrangements such as unit processed.
In the present embodiment, Photoelectric infrared switch is fixedly connected near the enterprising material mouth 2 of collecting bin 1 by bolt etc., than
Such as when feed inlet 2 is set to top, Photoelectric infrared switch can be fixed on to the top of collecting bin 1.
In the present embodiment use process is as follows: on each dust sucting pipeline 3 be arranged a control dust sucting pipeline open or close
Pneumatic butterfly valve, then each feed inlet 2 is nearby fixedly connected with a Photoelectric infrared switch, carries out when in some collecting bin 1
When feeding intake, corresponding Photoelectric infrared switch can sense material entrance, and then the control in such a way that control switch generates electric current
Pneumatic butterfly valve processed is opened, and dust sucting pipeline 3 is connected, and dust sucting pipeline 3 can absorb the ash near feed inlet 2 under the action of blower 6
Dirt etc. finally enters in dust removal assembly 5 subsequently into dedusting pipeline 4, realizes dedusting.
In the present embodiment, the Photoelectric infrared switch of model E3K100-DS100M1/DC is a kind of position with switching value
Set sensor, it be using object to be detected, shading or reflection to infrared light beam come detection object with or without.Setting exists
Near upper middle position, that is, feed inlet 2 of each feed bin, for incuding whether feeding machinery to 2 feeding of feed inlet and is converted
For signal, the unlatching that Pneumatic butterfly valve on dust sucting pipeline 3 is corresponded on collecting bin 1 is then automatically controlled by control switch, and can be
It is closed in 5s automatically by signal control valve door 9 after feeding, reaches energy saving purpose.
Specifically, optoelectronic switch connects the relay for controlling butterfly valve cylinder solenoid valve, cylinder after sensing loading shovel
Butterfly valve is opened in work, and optoelectronic switch disconnects relay, time-delay relay starting, delay after loading shovel leaves cold burden bucket
After disconnect butterfly valve cylinder solenoid valve power supply, cylinder return, butterfly valve close.Pneumatic butterfly valve in the present embodiment is arranged in dust suction
In pipeline 3, be connected with Photoelectric infrared switch, after receiving corresponding signal can the axis in valve body around its own be rotated by 90 °, from
And achieve the purpose that closure or openness.Simple with structure, flexible operation, rapidly, size is small, and structure is short, and resistance is small for switch, weight
Measure the features such as light.
Pneumatic butterfly valve in the present embodiment can be substituted by solenoid valve, and the output end connection of control unit at this time is
The control valve button of solenoid valve.The automatic control of solenoid valve is well-known technique, is opened and is closed by circuit control, this field skill
Art personnel know, by the connection of control circuit and control unit, can be realized and turn off or on.
Those skilled in the art should know, when using the present embodiment, when having sensed material, need opening controlling valve
Door 9, so that dust sucting pipeline is in the open state；When entering without material, direct closing control valve 9, so that dust sucting pipeline
In closed state.
In the present embodiment, control cabinet is set in 4 side of cleaning shaft, control unit is arranged in control cabinet, on control cabinet
Buttons, the Photoelectric infrared switches such as setting power supply are electrically connected by wires control unit, and control unit passes through electric wire etc. and gas again
The air compressor connection of dynamic butterfly valve, and then air compressor gas supply can be controlled, realize the unlatching and closure of Pneumatic butterfly valve.
To in this present embodiment Self controlling valve Co., Ltd of Shanghai Sino-U.S. production model DN400 Pneumatic butterfly valve with
And the Photoelectric infrared switch of E3K100-DS100M1/DC, then it is not necessarily to control unit, the switch of the two is directly electrically connected, Ji Keshi
The purpose now automatically controlled.
In the present embodiment, the distance between two groups 1 group of collecting bin is 6m, and the diameter of dust sucting pipeline 3 is 400mm, and length is
0.7m, and the diameter of cleaning shaft 4 is 750mm, length 42m.In the present embodiment, the height of Pneumatic butterfly valve is 0.21m, setting
Between cleaning shaft 4 and dust sucting pipeline 3, and it is set to the top of collecting bin 1.Size in this way can satisfy mostly
The use of number mixing station, and every group 1 group of collecting bin shares a mixing station, i.e., in the present embodiment, needs 10 collecting bins 1,
1 group of two collecting bins are constituted, while being correspondingly arranged 2 mixing machines, but only need a pulse backblowing bag filter 7.This
In embodiment, model DMC that pulse backblowing bag filter 7 is produced using Botou City Xiang Mao environmental protection machinery Co., Ltd
The pulse backblowing bag filter of type.
In the present embodiment, the course of work of pulse backblowing bag filter 7 is as follows:
A. blower 6, pulse valve: the blower 6 of pulse backblowing bag filter 7 just continuous work when being switched on production.When dedusting wind
When machine 6 is started to work, blower 6 generates wind-force and is entered in each dust sucting pipeline 3 by cleaning shaft 4, when dust sucting pipeline 3 is opened
Qi Shi, the wind-force generated suck the dust etc. at feed inlet 2 in dust sucting pipeline 3.In the present embodiment, dedusting fan 6 starts
When work, the pulse control instrument control loop of pulse backblowing bag filter 7 obtains electric conveying pulse, controls first pulse valve and opens
It opens, the blowing time is 0.1s.3 minutes each pulse spacings, then the time of pulse cycle is 18 minutes.According to actual condition
It needs, it can be by adjusting burst length length (pulse width), the interval time length (interval) of adjacent pulse, reaching most preferably makes
Use effect.These are all the functions that existing pulse backblowing bag filter 7 has.
Pulse control instrument controls the opening and closing of pulse valve, triggers each pulse valve in order.When pulse valve is opened, sucking is inhaled
The air containing impurity such as dusts enters in the gas bag in pulse sucking dust sucting pipeline 3 by blower 6 in dirt pipeline 3, at this time gas
Compressed air in packet, through the aperture in injection tube, ejects one high speed and high pressure to Filter-bag carcass Venturi tube by pulse valve
Injection air-flow (referred to as First air) forms one induced draft (referred to as Secondary Air) for being equivalent to injection airflow volume several times,
Enter in filter bag together, makes occur moment positive pressure in filter bag, sharply expand, make the dust releasing being deposited on the outside of filter bag, make to filter
Bag keeps venting capability not block.
B. inhale ash: deduster 7 mainly takes out the dust in transitional storehouse at this time；Transitional storehouse, which opens the door, puts into aggregate (i.e. dust etc.)
Host causes the air pressure moment in host to increase, and deduster 7 mainly takes out the dust in stirring host at this time, balances in host
Air pressure.
C. be vented ash discharge: dusty gas enters in deduster 7, passes through filter bag, and material is retained by filter bag, is deposited on outside filter bag
On wall, filtered clean gas is discharged after entering upper box from 6 discharge pipe of air-introduced machine.
The cycle operation of pulse valve, so that the dust being adsorbed on the outside of cloth bag falls under gravity into transitional storehouse dedusting chamber
In body, then dust is recycled with aggregate investment host for transitional storehouse enabling.
In the above process, pulse valve, gas bag, injection tube, Filter-bag carcass Venturi tube, filter bag, Belt Conveying to transitional storehouse, master
Machine etc. is the body construction of pulse backblowing bag filter 7, and the course of work is also well-known technique.
Embodiment 3
As the further improvement of above-mentioned technology, in the present embodiment, including several collecting bins 1, each collecting bin 1 are square except feeding
It is sealed processing outward, convenient for the independent concentrated dust-removing of each collecting bin 1, i.e., each collecting bin 1 is close other than feed inlet 2
Envelope processing, forms the semiclosed collecting bin 1 of separate type.It wherein, is tetragonal structure, lower part above each separate type collecting bin 1
For pyramidal structure, the one side that feed inlet 2 is wherein arranged on tetragonal structure is high 3.2m × wide 2.8m, and each collecting bin 1 is except upper
Material positive direction outer (i.e. upper, rear, left and right four direction) is sealed processing using color steel tile and (i.e. other than feed inlet 2, leads to
It crosses color steel tile and is sealed processing, convenient for the independent concentrated dust-removing of each collecting bin 1.
In the present embodiment, feed inlet 2 and collecting bin are equipped with protection section between 1 top, wherein protection section opens wide setting, that is, increase
Add open ports, be then covered at open ports flexible material preparation radical occlusion device 12, the end of the radical occlusion device 12 with
It is fixedly connected at the top of collecting bin 1.When the hopper feeding of loading machine, since the collecting bin 1 in hopper and the present embodiment is
The structure that the hard materials such as metal are prepared, therefore hopper is easy to encounter around collecting bin 1, the mutual stress of the two, it can not only
Hopper ontology is destroyed, and can be destroyed at 1 feed inlet 2 of collecting bin, causes equipment damaged, increases maintenance or alternative costs.
In the present embodiment, protect section by increasing, when hopper close to when, due to the radical occlusion device 12 of flexible material preparation in protection section
With flexibility, therefore hopper can be by radical occlusion device 12 towards promoting in collecting bin 1, and then material mouth batch turning after batch turning, is blocked
Device 12 can be moved to outside collecting bin 1 with hopper, when to a certain extent, due to solid at the top of radical occlusion device 12 and collecting bin 1
Fixed connection, therefore can be detached from hopper, due to gravity the effects of, are covered on again above protection section, are avoided outside other impurities etc. pass through
The protection section of leakage enters collecting bin 1.When feeding, since hopper blocks, therefore section is protected not have impurity entrance, charging terminates
Afterwards, since radical occlusion device 12 blocks, impurity will not be by protecting section to enter collecting bin 1.
In the present embodiment, the radical occlusion device 12 of the flexible material preparation is plastics curtain.At this point, plastics curtain is several
A, length × width of several plastics curtains is 80cm × 120cm, and lap of splice 5cm, purpose is to reduce dust in feeding process
Diffusion, and plastic material is selected to can avoid destruction of the feeding process machinery to it, replacement frequency is reduced, cost is reduced；
Each collecting bin 1 is respectively provided with plastics curtain, and plastics curtain is formed by overlapping by the width 80cm fritter door curtain made of cloth, the lap of splice
5cm does not use monoblock type curtain, it is therefore an objective to which the inconvenience in damage of monoblock type curtain is replaced.
Protecting section to be set as empty reason in the present embodiment is that loading machine feeding moment is actually mounted in machine elevating hopper and also rises
The effect of curtain sealing has been arrived, therefore curtain does not need to lengthen setting, the excessive of dust can't be generated by reserving neutral gear.
Further, for the ease of producing, 1 group of collecting bin includes cavity structure in the present embodiment, in the cavity structure
Equipped with several partitions 13,1 group of collecting bin is divided into several collecting bins 1 by several partitions 13.Specifically, partition 13 uses
Steel plate is prepared, and the thickness of the partition 13 is more than or equal to 6mm；The height of partition 13 is not less than 100cm simultaneously.
As a further improvement, partition 13 can be the partition 13 of 100cm high and the color steel of 220cm high in the present embodiment
It watt is spliced.Since the height of collecting bin 1 is 3.2m, ordinary material stacks height and does not exceed 1m, therefore partition 13 at least needs
The steel plate for wanting 1m, since the material in mixing machine work is the biggish materials of hardness such as rubble, if directlying adopt color steel tile, by
Too thin in color steel tile, intensity is too small, is easy to be damaged, and will lead to equipment damage in use, adjacent mutual flushing of collecting bin 1 etc.
The generation of problem, therefore use steel plate.
In the present embodiment, the setting of 1 size of collecting bin is reduced in feeding process to the greatest extent in view of mechanical feeding size
The diffusion of dust；Preferably, feed bin setting can most suitable size determines according to actual conditions.
As a further improvement, further including that the rain-proof shelter being set to above 1 group of collecting bin (does not show in figure in the present embodiment
Out), rain-proof shelter is located on support tube by lids such as awning canvas, and support tube is fixed on work road surface, then each support tube
Between connect and compose support frame,, can be by longer dust removing tube in order to protect cleaning shaft 4 and dust sucting pipeline 3 in the present embodiment
Road 4 is by the binding such as steel wire on support tube.
In the present embodiment, the connecting rod 14 that can also be laterally arranged and be connect with cleaning shaft 4 in 4 bottom of cleaning shaft,
4 vertical direction of cleaning shaft is equipped with the support rod 15 of support cleaning shaft 4, and several support rods 15 are connected by connecting rod 14
It connects.Through such a connection manner, avoid the rolling at the top of collecting bin 1 of cleaning shaft 4, when loading machine work or
When other large scale equipment work cause road surface to be shaken, cleaning shaft 4 will not be shaken, and be capable of fixing at the top of collecting bin 1.Together
When, due to the effect of connecting rod 14 and support rod 15, so that cleaning shaft 4 is not easy to deviate, it is not easy to topple over and causes safety accident,
Therefore use is safer.
In other production instances, since dedusting is lack of pertinence, each mixing machine need to be equipped with a pulse backblowing cloth
Bag dust collector 7 causes the waste of resource.In this example, since dedusting can be directed at the feeding process of each feed bin
Reason, dedusting space is smaller, not only increases efficiency of dust collection, and can realize and cleaner power is greatly lowered, and pass through
Testing improvement, the dedusting that two mixing machines are equipped with a pulse backblowing bag filters 7 and can meet 2 mixing machines in this example are wanted
It asks, has reached energy-efficient purpose.
In above-described embodiment, the Photoelectric infrared switch installed by each feed bin automatically generates signal control in feeding
The switch of corresponding feed bin dust discharge pipeline valve, the automatic monitoring of realization, is swift in response, high-effective dust-removing；And has and be directed in dedusting
Property is strong, saves a large amount of equipment power consumption, energy-saving effect is significant.
Above-described embodiment is not only limited to closed mixing station, also has good effect for other space opening formula mixing stations
Fruit.It is consistent with principle in the present embodiment, but since open mixing station dust drifts pollution surrounding enviroment with the wind, and
Closed mixing station is to influence air quality in mixing station in confined space, therefore the result of dedusting is different, open mix
When standing by this method dedusting, by the cleaning shaft 4 of setting and dust sucting pipeline 3 etc., surrounding enviroment can be protected not contaminated, and
Closed mixing station is to improve mixing station inner air quality by this method dedusting.
In the present embodiment, the use condition of pulse recoil deduster is as follows:
1. supplying power (Power Supplies Condition)
A. voltage conditions: 380V ± 10%/50HZ, three-phase five-wire mode.
2. gas bag accesses compressed air
To the pressure of access point: > 0.6MPa
To the dew point of access point: > -10 DEG C
To the impurity granularity of access point: < 0.004mm
3. dust-removal cloth-bag operating ambient temperature: < 60 DEG C
In the present embodiment, carry out parameter declaration: 1. filter areas: 20m is carried out for pulse recoil deduster MCCQ20 model2；
Filtering material: overlay film terylene non-woven fabric；Power of fan: 3kW；Outer dimension: 2970 × 1970 × 4100mm.
In the present embodiment, the structure of pulse recoil deduster are as follows: cleaner body is placed on aggregate transitional storehouse on warehouse.
Entire deduster structure is box typed structure, and top half is cleaner body, and cloth bag system protrudes into warehouse on transitional storehouse and removes
In dirt cavity, it is furnished with a set of inspection platform.Cleaner body power is turbo-centrifugal blower, effect be by gas in cabinet to
Outer pump drainage forms negative pressure, attracts gas with dust to enter in deduster, i.e. blower in the present embodiment.Core is that pulse removes
Dirt device.Pulsed dust-removing device accesses high pressure gas by gas bag inlet end.It is high by pulse control instrument and impulse electromagnetic valve control
Press blow-back.Dust-removal cloth-bag is the filter medium of pulsed dust-removing device.Ashes is discharged to transitional storehouse by transitional storehouse dedusting cavity
Inside enter back into host.
In the present embodiment, when the power of dust removal assembly 5 is smaller, it is generally only used for the cleaning shaft 4 of 50m, and for
It is high-power, the cleaning shaft 4 of more long pipe runs can be selected.
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that
Specific implementation of the invention is only limited to these instructions.For those of ordinary skill in the art to which the present invention belongs, exist
Under the premise of not departing from present inventive concept, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to of the invention
Protection scope.
Claims (10)
1. a kind of mixing station dust-extraction unit characterized by comprising
Collecting bin group, the collecting bin group include several collecting bins (1), are equipped on each collecting bin (1) for feeding
Feed inlet (2)；
Dust sucting pipeline (3), each collecting bin (1) top are equipped with the dust sucting pipeline (3), the import of the dust sucting pipeline (3)
It holds and is arranged close to the feed inlet (2)；
The diameter of the dust sucting pipeline (3) is 200mm-600mm；
Cleaning shaft (4), the cleaning shaft (4) is closed at one end or connect with the dust sucting pipeline (3), and the other end, which is connected with, to be removed
Dirt component (5), several dust sucting pipelines (3) connect with the cleaning shaft (4)；
Dust removal assembly (5), the dust removal assembly (5) includes blower (6) and deduster (7), will when the blower (6) works
In dust inspiration dust sucting pipeline (3) at collecting bin (1) enterprising material mouth (2), then enter cleaning shaft by dust sucting pipeline (3)
(4), it is interior into deduster (7) that blower (6) are eventually passed through.
2. a kind of mixing station dust-extraction unit according to claim 1, which is characterized in that the collecting bin group is several
Group in several collecting bin groups, is equipped with buffer strip (8) between adjacent collecting bin group, and the buffer strip (8) is set to described
On cleaning shaft (4).
3. a kind of mixing station dust-extraction unit according to claim 1, which is characterized in that each dust sucting pipeline (3)
On be equipped with control valve (9), the control valve (9) is for controlling being turned on or off in dust sucting pipeline (3).
4. a kind of mixing station dust-extraction unit according to claim 3, which is characterized in that further include several sensing devices
(10), the periphery of each feed inlet (2) is equipped with the sensing device (10), the sensing device (10) for incude into
Whether material mouth (2) has material entrance.
5. a kind of mixing station dust-extraction unit according to claim 4, which is characterized in that the sensing device (10) is red
Outer optoelectronic switch, the control valve (9) are Pneumatic butterfly valve, the corresponding electrical connection of the Photoelectric infrared switch on each collecting bin (1)
There is the Pneumatic butterfly valve.
6. a kind of mixing station dust-extraction unit according to claim 1, which is characterized in that the feed inlet (2) with gather materials
Protection section is equipped between at the top of storehouse (1), the protection section is equipped with open ports, and the open ports upper cover is equipped with flexible material preparation
It is fixedly connected at the top of radical occlusion device (12), radical occlusion device (12) end and the collecting bin (1).
7. a kind of mixing station dust-extraction unit according to claim 6, which is characterized in that the radical occlusion device (12) is modeling
Expect curtain.
8. a kind of mixing station dust-extraction unit according to claim 1, which is characterized in that the collecting bin group includes cavity
Structure, the cavity structure is interior to be equipped with several partitions (13), and collecting bin group is divided into several described by several partitions (13)
Collecting bin (1).
9. a kind of mixing station dust-extraction unit according to claim 8, which is characterized in that the partition (13) uses steel plate
It is prepared, the thickness of the steel plate is more than or equal to 6mm.
10. a kind of mixing station dust-extraction unit described in one of -9 according to claim 1, which is characterized in that the cleaning shaft
(4) bottom is horizontally arranged with connecting rod (14), and cleaning shaft (4) vertical direction is equipped with the support of support cleaning shaft (4)
Bar (15), several support rods (15) are connected by connecting rod (14).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811082080.4A CN109248509A (en) | 2018-09-17 | 2018-09-17 | A kind of mixing station dust-extraction unit |
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|---|---|---|---|
| CN201811082080.4A CN109248509A (en) | 2018-09-17 | 2018-09-17 | A kind of mixing station dust-extraction unit |
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| CN109248509A true CN109248509A (en) | 2019-01-22 |
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| CN201811082080.4A Pending CN109248509A (en) | 2018-09-17 | 2018-09-17 | A kind of mixing station dust-extraction unit |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112577062A (en) * | 2020-11-26 | 2021-03-30 | 华能巢湖发电有限责任公司 | Secondary air box ash conveying device |
| CN113198289A (en) * | 2021-04-01 | 2021-08-03 | 中国核电工程有限公司 | Equipment is changed to active carbon |
| CN115285535A (en) * | 2022-08-31 | 2022-11-04 | 常德市三一机械有限公司 | Flash storage device and asphalt plant |
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| CN112577062A (en) * | 2020-11-26 | 2021-03-30 | 华能巢湖发电有限责任公司 | Secondary air box ash conveying device |
| CN112577062B (en) * | 2020-11-26 | 2024-02-23 | 华能巢湖发电有限责任公司 | Ash conveying device for secondary air box |
| CN113198289A (en) * | 2021-04-01 | 2021-08-03 | 中国核电工程有限公司 | Equipment is changed to active carbon |
| CN115285535A (en) * | 2022-08-31 | 2022-11-04 | 常德市三一机械有限公司 | Flash storage device and asphalt plant |
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Application publication date: 20190122 |